U.S. patent application number 16/463046 was filed with the patent office on 2019-09-12 for inner drum tripod and drum washing machine.
This patent application is currently assigned to QINGDAO HAIER DRUM WASHING MACHINE CO., LTD.. The applicant listed for this patent is QINGDAO HAIER DRUM WASHING MACHINE CO., LTD.. Invention is credited to Yanfen LV, Huacheng SONG, Sheng XU, Fei Yang.
Application Number | 20190276970 16/463046 |
Document ID | / |
Family ID | 62194716 |
Filed Date | 2019-09-12 |
United States Patent
Application |
20190276970 |
Kind Code |
A1 |
XU; Sheng ; et al. |
September 12, 2019 |
INNER DRUM TRIPOD AND DRUM WASHING MACHINE
Abstract
A inner drum tripod, comprising a body for connecting with an
inner drum of a washing machine, one side surface of the body faces
the inner drum and the other side surface faces back to the inner
drum, the part on the body in contact with the inner drum is
provided with sealing structure preventing washing water from
entering the gap space between the body and the inner drum of the
washing machine. A drum washing machine includes an inner drum of
the washing machine, the bottom of the inner drum of the washing
machine is provided with an installation structure matched with the
inner drum tripod, the tripod is fixed and installed at the bottom
of the inner drum, and the sealing structure on the tripod contacts
with the surface of the inner drum to form a closed connection.
Inventors: |
XU; Sheng; (Shandong,
CN) ; LV; Yanfen; (Shandong, CN) ; SONG;
Huacheng; (Shandong, CN) ; Yang; Fei;
(Shandong, CN) |
|
Applicant: |
Name |
City |
State |
Country |
Type |
QINGDAO HAIER DRUM WASHING MACHINE CO., LTD. |
Shandong |
|
CN |
|
|
Assignee: |
QINGDAO HAIER DRUM WASHING MACHINE
CO., LTD.
Shandong
CN
|
Family ID: |
62194716 |
Appl. No.: |
16/463046 |
Filed: |
November 17, 2017 |
PCT Filed: |
November 17, 2017 |
PCT NO: |
PCT/CN2017/111489 |
371 Date: |
May 22, 2019 |
Current U.S.
Class: |
1/1 |
Current CPC
Class: |
D06F 37/12 20130101;
D06F 37/02 20130101; D06F 37/20 20130101; D06F 37/04 20130101; D06F
21/00 20130101; D06F 37/263 20130101 |
International
Class: |
D06F 37/26 20060101
D06F037/26; D06F 37/12 20060101 D06F037/12 |
Foreign Application Data
Date |
Code |
Application Number |
Nov 24, 2016 |
CN |
201611048243.8 |
Claims
1. An inner drum tripod, comprising a body for connecting with an
inner drum of a washing machine, a first side surface of the body
facing to the inner drum of the washing machine and a second side
surface facing back to the inner drum of the washing machine,
wherein a part on the body in contact with the inner drum of the
washing machine is provided with a sealing structure for preventing
washing water from entering a space between the body and the inner
drum of the washing machine.
2. The inner drum tripod according to claim 1, wherein the second
side surface of the body facing back to the inner drum of the
washing machine is a flat and smooth surface, and stiffeners are
arranged on the first side surface facing the inner drum of the
washing machine.
3. The inner drum tripod according to claim 1, wherein the sealing
structure includes: a groove with a strip-type arranged on an outer
edge of the body and facing to the inner drum of the washing
machine, and a sealing element arranged in the groove for
contacting with a surface of the inner drum of the washing machine,
the sealing element is elastic.
4. The inner drum tripod according to claim 3, wherein the second
side surface of the body facing back to the inner drum of the
washing machine is provided with a flange extending parallel to the
side surface, the flange is arranged along the outer edge of the
body, one side of the flange facing to the inner drum of the
washing machine is an inner end face, the groove is arranged on the
inner end face and raises toward the inner drum of the washing
machine.
5. The inner drum tripod according to claim 4, wherein the groove
is formed of two bars parallel arranged, and the sealing element is
stuck between the two bars and is higher than the bars.
6. The inner drum tripod according to claim 4, wherein the groove
is formed of at least three bars parallel arranged, and the sealing
element is an integral or split structure is stuck between the two
bars, and is higher than the bars.
7. The inner drum tripod according to claim 6, wherein the body is
provided with three support arms, and three groups of grooves are
provided and distributed on both sides of each of the support arms,
each of the grooves is arranged from an end of one support arm to
an end of another support arm.
8. A drum washing machine equipped with the inner drum tripod
according to claim 1, at least including an inner drum of the
washing machine, a bottom of the inner drum of the washing machine
is provided with an installation structure cooperated with the
inner drum tripod, the inner drum tripod is fixedly installed at
the bottom of the inner drum of the washing machine, and the
sealing structure of the inner drum tripod is in contact with a
surface of the inner drum of the washing machine to form a closed
connection.
9. The drum washing machine according to claim 8, wherein the
bottom of the inner drum of the washing machine is provided with a
first center through-hole, a center of the inner drum tripod is
provided with a second center through-hole, an edge of the second
center through-hole is provided with a convex annular flange, and
an end face of the annular flange has a sealing contact with the
first center through-hole of the inner drum of the washing
machine.
10. The drum washing machine according to claim 8, wherein an end
of the support arm of the inner drum tripod is in contact with an
interior circumferential of the bottom of the inner drum of the
washing machine, the end and a wall of the inner drum of the
washing machine are also provided with screw holes which are
mutually matched and connected with each other through screws.
11. The inner drum tripod according to claim 2, wherein the sealing
structure includes: a groove with a strip-type arranged on an outer
edge of the body and facing to the inner drum of the washing
machine, and a sealing element arranged in the groove for
contacting with a surface of the inner drum of the washing machine,
the sealing element is elastic.
12. The drum washing machine according to claim 9, wherein an end
of the support arm of the inner drum tripod is in contact with an
interior circumferential of the bottom of the inner drum of the
washing machine, the end and a wall of the inner drum of the
washing machine are also provided with screw holes which are
mutually matched and connected with each other through screws.
Description
FIELD OF THE INVENTION
[0001] The present disclosure relates generally to the field of
washing machines, and more particularly, to an inner drum tripod
and a drum washing machine.
BACKGROUND
[0002] The inner drum tripod of the inner drum of washing machine
plays an important role in the washing process as the supporting
and reinforcing part of the inner drum. However, in prior art, the
inner drum tripod is soaked in washing water for a long time, and a
lot of threads and dirt are attached to the surface of the inner
drum tripod. Especially the area between the inner drum tripod and
the inner drum, where the washing water with threads and dirt is
easy to flow in but difficult to come out, an accumulation of the
threads and dirt is difficult to remove.
[0003] Chinese Patent No. 201520933197.4 discloses a drum washing
machine, which mainly includes an outer drum, an inner drum, a
tripod and a cleaning device. The inner drum is installed in the
outer drum, and the inner drum tripod is installed on the inner
drum. The cleaning device includes a spray groove and a spray
cover. The spray groove is arranged in the drum wall of the outer
drum opposite corner of the inner drum tripod, and the spray groove
is set toward the inner drum and the inner drum tripod. The spray
cover is covered on the spray groove, and the spray cover is
provided with several spray holes. The threads and dirt are removed
by setting a cleaning device to flush the connection between the
inner drum tripod and the inner drum. However, due to the narrow
gap space between the inner drum tripod and the inner drum, it is
difficult for the washing water to completely flush the connection
between the inner drum tripod and the inner drum. Therefore, the
washing effect is limited, and it cannot fundamentally solve the
dirty problem in the gap space between the inner drum tripod and
the inner drum.
[0004] In view of the foregoing, the present disclosure is
proposed.
SUMMARY
[0005] An objective of the present disclosure is to provide an
inner drum tripod with sealing structure and after the inner drum
tripod is installed on the inner drum, the threads and dirt can be
effectively prevented from entering the gap space between the inner
drum tripod and the inner drum.
[0006] Another objective of the present disclosure is to provide a
washing machine having above-mentioned the inner drum tripod.
[0007] In order to achieve the first object, the present disclosure
adopts the following technical solutions.
[0008] An inner drum tripod includes a body for connecting with an
inner drum of a washing machine. One side surface of the body faces
to the inner drum of the washing machine and the other side surface
faces back to the inner drum of the washing machine. The part of
the body in contact with the inner drum of the washing machine is
provided with a sealing structure which prevents washing water from
entering the gap space between the body and the inner drum of the
washing machine.
[0009] The side surface facing back to the inner drum of the
washing machine is a flat and smooth surface, and stiffeners are
arranged on the side surface facing the inner drum of the washing
machine.
[0010] The sealing structure includes a strip-type groove arranged
on the outer edge of the body and faces to the inner drum of the
washing machine, and a sealing element arranged in the strip-type
groove for contacting the surface of the inner drum of the washing
machine. The sealing element is elastic.
[0011] The side surface of the body facing back to the inner drum
of the washing machine is provided with a flange extending parallel
to the side surface. The flange is arranged along the outer edge of
the body. One side of the flange facing to the inner drum of the
washing machine is the inner end face. The groove is arranged on
the inner end face and raised toward the inner drum of the washing
machine.
[0012] The groove is formed of two bars parallel arranged, and the
sealing element is stuck between the two bars and is higher than
the bars.
[0013] The groove is formed of at least three bars parallel
arranged, and the sealing element is an integral or split
structure, which stuck between bars and is higher than the
bars.
[0014] The body includes three support arms, and three groups of
grooves are provided and distributed on both sides of the support
arms. Each group of groove is arranged from the end of one support
arm and ends at the end of the other support arm.
[0015] Another object of the present disclosure is to disclose a
drum washing machine equipped with the inner drum tripod which at
least includes an inner drum. The bottom of the inner drum of the
washing machine is provided with an installation structure
cooperated with the inner drum tripod. The inner drum tripod is
fixed and installed at the bottom of the inner drum of the washing
machine, and the sealing structure on the inner drum tripod
contacts with the surface of the inner drum of the washing machine
to form a closed connection.
[0016] The bottom of the inner drum of the washing machine is
provided with a first center through-hole, the center of the inner
drum tripod is provided with a second center through-hole. The edge
of the second center through-hole is provided with a convex annular
flange, and the end face of the annular flange has a sealing
contact with the first center through-hole of the inner drum of the
washing machine.
[0017] The end of the support arm of the inner drum tripod is in
contact with the interior circumferential of the bottom of the
inner drum of the washing machine. The end and wall of the inner
drum of the washing machine are provided with screw holes which are
mutually matched and connected with each other through screws.
[0018] After the technical solution of the present disclosure is
adopted, the following beneficial effects are brought about:
[0019] The sealing structure of the inner drum tripod in the
present disclosure can implement reliable seal of connecting
between the inner drum tripod and inner drum of the washing
machine, and can isolate the washing water and the gap space
between the body and the inner drum of the washing machine. The
dirty problem in the gap space between the inner drum tripod and
the inner drum are solved by setting the sealing structure, which
improve the quality of the environment inside the washing machine,
effectively avoid the secondary pollution in the process of
laundry.
BRIEF DESCRIPTION OF THE DRAWINGS
[0020] FIG. 1 is a structural view after assembling the inner drum
tripod and inner drum of the washing machine;
[0021] FIG. 2 is the main view of embodiment 1;
[0022] FIG. 3 is the section view of plane A-A in FIG. 2;
[0023] FIG. 4 is a structural view of the inner drum tripod in
embodiment 1;
[0024] FIG. 5 is the main view of the inner drum tripod in
embodiment 1;
[0025] FIG. 6 is the section view of plane B-B in FIG. 5;
[0026] FIG. 7 is the cross-section view of the sealing element in
embodiment 2;
[0027] In FIGS. 1-7 of the drawings, 1--inner drum of washing
machine, 2--body of tripod, 3--groove, 4--flange, 5--stiffener,
6--annular flange, 7--sealing element, 8--convex mounting
structure, 11--first center through-hole, 21--second center
through-hole.
DETAILED DESCRIPTION OF THE DISCLOSURE
[0028] The description will be made as to the embodiments of the
present disclosure in conjunction with the accompanying drawings in
FIGS. 1-7.
Embodiment 1
[0029] As shown in FIG. 1, an inner drum tripod is generally
installed at the bottom of the inner drum 1 of washing machine in
order to improve the strength of the inner drum 1. The inner drum
tripod specifically includes a body 2 used to connect with the
inner drum 1. The body 2 is described as the triangular structure,
including three radial extension support arms. The angle between
the two adjacent support arms is 120 degrees. The support arms have
a certain thickness.
[0030] As shown in FIG. 2 and FIG. 3, one side surface of the body
2 faces to the inner drum 1 of the washing machine and the other
side surface faces back to the inner drum 1 of the washing machine.
When the body 2 is installed on the inner drum 1 of the washing
machine, there will be a certain gap space between them. In order
to prevent dirt from entering the gap with the washing water, the
part on the body 2 in contact with the inner drum 1 of the washing
machine is provided with sealing structure preventing washing water
from entering the gap space between the body 2 and the inner drum 1
of the washing machine. The sealing structure is arranged to go
along the contour lines of the body 2. The sealing structure
prevent the washing water with dirt from entering the gap space
between the body 2 and inner drum 1 of the washing machine though
contact with inner drum 1 of the washing machine.
[0031] As shown in FIG. 4, FIG. 5 and FIG. 6, preferably, in order
to avoid debris such as threads and dirt adhering on the surface of
the body 2, the side surface of the body 2 facing back to the inner
drum 1 of the washing machine is a flat and smooth surface. The
body 2 is provided with stiffeners 5 arranged on the side surface
facing the inner drum 1 of the washing machine. When the body 2 is
installed on the inner drum 1 of the washing machine, the
stiffeners 5 will be hidden between the two, effectively improving
the strength of the body 2, and avoiding contact with debris such
as threads and dirt.
[0032] The sealing structure includes a strip-type groove 3
arranged on the outer edge of the body 2 and facing to the inner
drum 1 of the washing machine, and a sealing element 7 arranged in
the strip-type groove 3 for contacting the surface of the inner
drum 1 of the washing machine. The sealing element 7 is elastic and
can be pressed on the surface of inner drum 1 of the washing
machine. The sealing element 7 can be rubber material or other
elastic material that can be used for sealing.
[0033] The side surface of the body 2 facing back to the inner drum
1 of the washing machine is provided with a flange 4 extending
parallel to the side surface. The flange 4 is arranged along the
outer edge of the body 2. One side of the flange 4 facing to the
inner drum 1 of the washing machine is the inner end face. The
groove 3 is arranged on the inner end face and raised toward the
inner drum 1 of the washing machine.
[0034] Preferably, the flange 4 and the body 2 form an integrated
body and molding, and the thickness of the flange 4 is less than
the width of the body 2 in the axial direction.
[0035] The groove 3 is formed of two bars parallel arranged. The
two bars are separated by a certain distance. The sealing element 7
is stuck between two bars and is higher than the bars. When the
inner drum tripod is mounted on the inner drum 1 of the washing
machine, the sealing element 7 is extruded and deformed jointly by
the strip bars and the inner drum 1 of the washing machine, forming
a sealing contact.
[0036] Three groups of grooves 3 are provided and distributed on
both sides of the support arms. Each group of groove 3 is arranged
from the end of one support arm and ends at the end of the other
support arm. The groove 3 is arranged along the whole side of the
supporting arm, so that both sides of the supporting arm and inner
drum 1 of the washing machine are seamlessly connected to achieve
the sealing effect.
Embodiment 2
[0037] As shown in FIG. 7, for better sealing effect, at least two
side-by-side grooves 3 are formed by setting at least three bars
parallel arranged. The sealing element 7 is an integral or split
structure, which stuck between the two bars and is higher than the
bars to contact with surface of inner drum 1 of washing
machine.
[0038] Specifically, when the sealing element 7 is an integral
structure, a multi-row sealing strip with multiple convex mounting
structures 8 can be selected, and each convex mounting structure 8
is stuck in an groove 3. When the sealing element 7 is a split
structure, a rectangular sealing strip can be installed in each
installing groove 3 to form multiple sealing contact surfaces and
improve the sealing effect.
[0039] A drum washing machine equipped with the inner drum tripod
mentioned in the two embodiments above generally includes a case,
an outer drum and an inner drum 1 of the washing machine arranged
in the case, and a power device and a control system. The bottom of
the inner drum 1 of the washing machine is provided with an
installation structure cooperated with the inner drum tripod.
Preferably, the installation structure is a groove matching the
shape of the inner drum tripod. The inner drum tripod is fixedly
installation at the bottom of inner drum 1 of the washing machine
with screws by means of fastening. The sealing structure on the
inner drum tripod is in contact with the surface of the inner drum
1 of the washing machine to form a closed connection.
[0040] In order to connect the power device with the inner drum 1
of the washing machine, the bottom of the inner drum 1 of the
washing machine is provided with a first center through-hole 11;
the center of the inner drum tripod is provided with a second
center through-hole 21. The first center through-hole 11 is
coaxially arranged with the second center through-hole 21. The
rotating shaft of the power device sticks through the second center
through-hole 21 and extends into the first center through-hole 11
and is connected with the inner drum 1 of the washing machine to
drive the inner drum 1 of the washing machine to rotate.
[0041] The edge of the second center through-hole 21 is provided
with a convex annular flange 6, and the end face of the annular
flange 6 has a sealing contact with the first center through-hole
11 of the inner drum of the washing machine.
[0042] The end of the support arm of the inner drum tripod is in
contact with the interior circumferential of the bottom of the
inner drum 1 of the washing machine. The end and the wall of the
inner drum of the washing machine are also provided with screw
holes which are mutually matched and connected with each other
through screws. Specifically, the screw is rotated from the
circumferential outer side at the bottom of inner drum 1 of the
washing machine to the screw hole at the end of the support
arm.
[0043] Because the sealing structure is set between the inner drum
tripod and the inner tube 1 of the washing machine, the gap space
between the inner tube tripod and the inner drum 1 of the washing
machine is sealed, cutting off the channel for washing water to
enter the gap space, and thoroughly solving the problem of the
accumulation of the threads and dirt in the gap space.
[0044] The embodiments were chosen and described in order to
explain the principles of the disclosure and their practical
application so as to activate others skilled in the art to utilize
the disclosure and various embodiments and with various
modifications as are suited to the particular use contemplated.
Alternative embodiments will become apparent to those skilled in
the art to which the present disclosure pertains without departing
from its spirit and scope. Accordingly, the scope of the present
disclosure is defined by the appended claims rather than the
foregoing description and the exemplary embodiments described
therein.
* * * * *