CN213013550U - Washing equipment and drain pipe thereof - Google Patents
Washing equipment and drain pipe thereof Download PDFInfo
- Publication number
- CN213013550U CN213013550U CN202020633314.6U CN202020633314U CN213013550U CN 213013550 U CN213013550 U CN 213013550U CN 202020633314 U CN202020633314 U CN 202020633314U CN 213013550 U CN213013550 U CN 213013550U
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- pipe
- butt joint
- tubular body
- section
- drain
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- 238000005406 washing Methods 0.000 title claims abstract description 53
- 210000001503 joint Anatomy 0.000 claims abstract description 58
- 230000002093 peripheral effect Effects 0.000 claims abstract description 4
- 238000003032 molecular docking Methods 0.000 claims description 29
- 238000009434 installation Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 4
- 238000001035 drying Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 229920002943 EPDM rubber Polymers 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
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- Sink And Installation For Waste Water (AREA)
Abstract
The utility model relates to a washing equipment technical field specifically provides a washing equipment and drain pipe thereof aims at solving the problem that the installation is not in place easily appears with the drainage outer tube in the drainage inner tube that current washing machine exists. Mesh for this reason, the utility model discloses a washing equipment's drain pipe includes first pipeline section, second pipeline section and connects the connecting piece of first pipeline section and second pipeline section, and the connecting piece includes the tubulose body, is provided with first butt joint component on the outer peripheral face of tubulose body, and the connecting piece still disposes the second butt joint component, and first pipeline section and second pipeline section cup joint with the tubulose body, under the state that first pipeline section and tubulose body installed to target in place, the second butt joint component can dock with first butt joint component. According to whether the first butt joint member and the second butt joint member can be in butt joint or not, whether the first pipe section and the tubular body are installed in place or not can be accurately known, and the situation that water leaks from the joint in the drainage process due to the fact that the first pipe section and the connecting piece are not installed in place is avoided.
Description
Technical Field
The utility model relates to a washing equipment technical field specifically provides a washing equipment and drain pipe thereof.
Background
Along with the general improvement of the living standard of people, washing equipment such as a washing machine, a washing and drying integrated machine, a shoe washing machine and the like become electric equipment in daily life of people. The washing machine has the advantages that the washing machine can be used for washing and drying clothes, shoes and the like, hands of people are liberated, and great convenience is provided for life of people.
Generally, a drain pipe of a washing machine includes an inner drain pipe located inside a cabinet and an outer drain pipe located outside the cabinet, wherein a connection pipe is fixed to one end of the inner drain pipe, and the outer drain pipe is sleeved with the connection pipe. In the process of connecting the drainage outer pipe and the drainage inner pipe, the situation that the drainage outer pipe and the connecting pipe are not installed in place easily occurs, so that water leakage occurs at the joint of the drainage inner pipe and the drainage outer pipe in the drainage process of the washing machine, and great trouble is caused to a user.
Accordingly, there is a need in the art for a new solution to the above problems.
SUMMERY OF THE UTILITY MODEL
In order to solve the above-mentioned problem in the prior art, that is, to solve the problem that the installation is not in place easily occurs to the drainage inner tube and the drainage outer tube that exist in the existing washing machine, an aspect of the present invention provides a drainage pipe of a washing device, the drainage pipe includes a first pipe section and a second pipe section, the first pipe section and the second pipe section are connected to each other through a connecting member, wherein the connecting member includes a tubular body, a first butt joint member is provided on an outer peripheral surface of the tubular body, the connecting member is further provided with a second butt joint member, the first pipe section and the second pipe section are sleeved with the tubular body, and in a state that the first pipe section is installed in place with the tubular body, the second butt joint member can be butted with the first butt joint member so as to determine that the first pipe section is installed in place with the tubular body.
In a preferred technical solution of the above drain pipe, the first butt joint member includes a first member extending outward in a radial direction of the tubular body, and a second member extends in an axial direction of the tubular body on a side of the first member away from the tubular body, wherein a clamping hole is provided in the second member, and the clamping hole is clamped with the second butt joint member.
In the preferable technical scheme of the drain pipe, the second butt joint component comprises a first connecting piece and a clamping hook arranged on the first connecting piece and clamped with the clamping hole, the first pipe section and the tubular body are installed in place, the first butt joint component and the second butt joint component are in butt joint, the first connecting piece is sleeved at one end of the tubular body, the first connecting piece and the first pipe section are fixed, and the clamping hook is clamped with the clamping hole.
In the preferable technical scheme of the drain pipe, the first pipe section comprises a pipe body and a connecting section, the outer diameter of the connecting section is larger than that of the pipe body, so that a step surface is formed at the connecting position, the first connecting piece is a connecting plate, the connecting plate abuts against the step surface in a state that the first butt joint component and the second butt joint component are in butt joint, and the clamping hook is clamped with the clamping hole.
In the above-mentioned drain pipe, the connection section is formed with an avoidance structure at an end close to the pipe body, and in a state that the first pipe section and the tubular body are installed in place, the hook extends into a position between the second member and the connection section via the avoidance structure and is clamped with the clamping hole.
In the preferable technical scheme of the drain pipe, the avoiding structure is a wiping inclined structure formed at one end of the connecting section, which is close to the pipe body.
In a preferred embodiment of the above drain pipe, the first member is an annular plate, and the second member has a cylindrical structure.
In the above-mentioned drain pipe, the shape of connecting plate is fan ring shape.
It can be understood by those skilled in the art that, in the technical solution of the present invention, the drain pipe includes a first pipe section, a second pipe section and a connecting member connecting the first pipe section and the second pipe section, the connecting member includes a tubular body, a first butt joint member is provided on the outer peripheral surface of the tubular body, the connecting member is further provided with a second butt joint member, the first pipe section and the second pipe section are sleeved with the tubular body, and the second butt joint member can be butted with the first butt joint member in the state that the first pipe section and the tubular body are installed in place. During installation, the second docking member can dock with the first docking member if the first pipe section is installed in place with the tubular body, and cannot dock with the first docking member if the first pipe section is not installed in place with the tubular body. According to the fact that whether the first butt joint member and the second butt joint member can be in butt joint or not, an operator can accurately know whether the first pipe section and the tubular body are installed in place or not, and can adjust or reinstall the first pipe section and the tubular body to be installed in place under the condition that the first pipe section and the connecting piece are not installed in place, and the situation that water leaks from a connecting position in the drainage process due to the fact that the first pipe section and the connecting piece are not installed in place is avoided.
Preferably, the first butt joint member includes a first member extending outward in a radial direction of the tubular body and a second member extending in an axial direction of the tubular body on a side of the first member away from the tubular body, the second member is provided with a clamping hole, the second butt joint member includes a connector and a clamping hook provided on the connector, the first connector is sleeved at one end of the tubular body in a state that the first pipe section and the tubular body are installed in place and the first butt joint member is in butt joint with the second butt joint member, the connector is fixed with the first pipe section, and the clamping hook is clamped with the clamping hole. Through the arrangement mode, under the condition that the first pipe section and the tubular body are installed in place, the first butt joint member and the second butt joint member can lock the first pipe section and the tubular body, the condition that the first pipe section is connected with the tubular body loosely due to the influence of vibration generated by washing equipment is avoided, and the connection reliability is guaranteed.
Furthermore, the utility model discloses another aspect still provides a washing equipment, washing equipment includes any one of the technical scheme of above-mentioned washing equipment's drain pipe.
In a preferred embodiment of the above washing apparatus, the drain pipe includes at least two second pipe sections with different lengths.
It should be noted that the washing device has all the technical effects of the above drain pipe, and the detailed description is omitted here. It can be understood that in the installation process of the use place, the second pipe section with the proper length can be selected according to the actual situation of the place so as to meet the requirements of different installation and use places.
Drawings
Preferred embodiments of the present invention will be described below with reference to the accompanying drawings in conjunction with a washing machine, in which:
fig. 1 is a schematic structural view of a washing machine according to an embodiment of the present invention;
fig. 2 is an exploded view of a drain pipe in a washing machine according to an embodiment of the present invention;
FIG. 3 is a schematic cross-sectional view of a connection member in a drain pipe in a washing machine according to an embodiment of the present invention;
FIG. 4 is a schematic structural view of a second docking member in a drain pipe of a washing machine according to an embodiment of the present invention;
fig. 5 is a schematic structural view of a drain pipe in a washing machine according to an embodiment of the present invention;
fig. 6 is a partial sectional view of a drain pipe in a washing machine according to an embodiment of the present invention;
fig. 7 is an enlarged view of a portion a in fig. 6.
List of reference numerals:
1. a box body; 2. a drain pipe; 21. an outer drainage pipe; 211. a pipe body; 212. a connecting section; 22. a drainage inner pipe; 23. a connecting member; 231. a tubular body; 232. a first docking member; 2321. An annular plate; 2322. a tubular structure; 2323. a clamping hole; 233. a second docking member; 2331. a connecting plate; 2332. a hook; 2333. a circular arc plate.
Detailed Description
Preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention. For example, although the present invention is described with reference to a washing machine, the skilled person can adjust the washing machine as required to suit the specific application, for example, the washing machine of the present invention can be a washing and drying machine, a shoe washing machine, etc. Obviously, the technical solution after adjustment still falls into the protection scope of the present invention.
It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; either directly or indirectly through intervening media, or through the communication between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1 to 7, fig. 1 is a schematic structural diagram of a washing machine according to an embodiment of the present invention; fig. 2 is an exploded view of a drain pipe in a washing machine according to an embodiment of the present invention; FIG. 3 is a schematic cross-sectional view of a connection member in a drain pipe in a washing machine according to an embodiment of the present invention; fig. 4 is a schematic structural view of a second docking member in a drain pipe in a washing machine according to an embodiment of the present invention, fig. 5 is a schematic structural view of a drain pipe in a washing machine according to an embodiment of the present invention; fig. 6 is a partial sectional view of a drain pipe in a washing machine according to an embodiment of the present invention; fig. 7 is an enlarged view of a portion a in fig. 6.
As shown in fig. 1 to 7, the washing machine includes a cabinet 1 in which a washing tub (not shown) is provided, and a drain valve (not shown) at a lower portion of the washing tub is connected to a drain pipe 2. The drain pipe 2 includes first and second pipe sections, such as an outer drain pipe 21 located outside the tank body 1 and an inner drain pipe 22 located inside the tank body 1, and the outer drain pipe 21 and the inner drain pipe 22 are connected to each other by a connection member 23. The connector 23 includes a tubular body 231, a first docking member 232 is provided on an outer circumferential surface of the tubular body 231, and a second docking member 233 is further provided to the connector 23. When the washing machine leaves a factory, the inner drainage pipe 22 is fixedly connected with the tubular body 231 in a sleeved mode, the outer drainage pipe 21 is separated from the connecting piece 23, 2 outer drainage pipes 21 are installed in the packing box, wherein 1 outer drainage pipe 21 serves as a spare part, and a user can replace the damaged outer drainage pipe 21 if the outer drainage pipe 21 is accidentally extruded and damaged during use. In the process of connecting the outer drain pipe 21 with the connector 23, if the outer drain pipe 21 and the tubular body 231 are mounted in place, and the second docking member 233 can be just docked with the first docking member 232 when the second docking member 233 is assembled. In the process of connecting the outer drain pipe 21 with the connector 23, if the outer drain pipe 21 and the tubular body 231 are not mounted in place, the second docking member 233 cannot be docked with the first docking member 232 when the second docking member 233 is assembled. In this way, whether the drainage outer pipe 21 and the tubular body 231 are installed in place can be accurately judged through the butt joint state of the first butt joint member 232 and the second butt joint member 233, the situations that the drainage outer pipe 21 and the drainage inner pipe 22 are not installed in place and water leaks from the joint of the drainage outer pipe 21 and the drainage inner pipe 22 during use are avoided, and the use experience of a user is optimized.
With continued reference to fig. 2-7, the first docking member 232 includes: a first member, such as an annular plate 2321, extending radially outward of the tubular body 231, and a second member, such as a cylindrical structure 2322, extending axially of the tubular body 231 on a side away from the tubular body 231, wherein the cylindrical structure 2322 is provided with two symmetrical fastening holes 2323. The second docking member 233 includes a first connector and hooks provided on the first connector, for example, a connecting plate 2331 having a semi-circular shape, and two symmetrical hooks 2332 corresponding to the positions of the latching holes 2323 are provided on the connecting plate 2331. An arc plate 2333 is further provided on the connecting plate 2331 at a position between the two hooks 2332. The drain inner pipe 22 includes a pipe body 211 and a connection section 212, and an outer diameter of the connection section 212 is larger than that of the pipe body 211, so that a step surface is formed at a connection of the pipe body 211 and the connection section 212.
As shown in fig. 7, the connection section 212 is formed with an escape structure near one end of the tube body 211, for example, the connection section 212 is formed with a wiping structure on the entire periphery near one end of the tube body 211. The drainage outer pipe 21 is made of ethylene propylene diene monomer rubber, the connecting piece 23 is made of polypropylene plastic, and the elasticity of the drainage outer pipe 21 is larger than that of the connecting piece 23.
When the outer drainage pipe 21 and the connecting piece 23 are connected, the connecting section 212 of the outer drainage pipe 21 is sleeved on the tubular body 231 from bottom to top, and the connecting section 212 is connected with the tubular body 231. An escape space is formed between the wiping inclination structure on the connection section 212 and the inner wall of the cylindrical structure 2322, and then the second docking member 233 is fitted between the outer drain pipe 21 and the tubular body 231. If the connecting section 212 is connected to the tubular body 231 in place, the hook 2332 and the circular arc plate 2333 of the second butt-joint member 233 are inserted into the avoiding space, and the hook 2332 is just clamped with the clamping hole 2323 on the cylindrical structure 2322, and the upper side surface of the connecting plate 2331 is just abutted to the step surface on the outer drainage pipe 21. Thus, the first and second docking members 232 and 233 further fixedly couple the tubular body 231 and the drain outer pipe 21, and the reliability of the coupling is improved. If the connecting section 212 is not connected to the tubular body 231, the hooks 2332 of the second docking member 233 cannot be inserted into the clearance space and engaged with the locking holes 2323 completely, that is, the second docking member 233 cannot be assembled, so that the operator can know that the connecting section 212 is not connected to the tubular body 231, and adjust or reinstall the connecting section 212 to the tubular body 231 until the connecting section is installed.
The avoiding structure is a wiping inclined structure formed on the whole periphery of one end, close to the pipe body 211, of the connecting section 212, and through the arrangement, when the outer drainage pipe 21 is sleeved with the tubular body 231, the circumferential direction does not need to be adjusted, and the installation is convenient. Through the arrangement of the circular arc plate 2333, the strength of the connecting plate 2331 is improved, and a certain guiding function is achieved in the process of installing the second docking member 233. The elasticity of the outer drainage tube 21 is greater than that of the connecting member 23, which not only facilitates the connection of the outer drainage tube 21 with the tubular body 231, but also plays a role in fixing.
It is understood that the avoiding structure may be only two oblique structures disposed at the end of the connecting section 212 close to the tube body 211 corresponding to the two hooks 2332, or may be two notch structures disposed at the end of the connecting section 212 close to the tube body 211 corresponding to the two hooks 2332. The number of the fastening holes 2323 and the fastening hooks 2332 is 2, which is only an exemplary description, and those skilled in the art can adjust the number of the fastening holes 2323 and the fastening hooks 2332 as required, for example, the number of the fastening holes 2323 and the fastening hooks 2332 may be 1, 3, 4, etc., and when the number of the fastening holes 2323 and the fastening hooks 2332 is plural, the fastening holes 2323 may not be uniformly distributed, and correspondingly, the fastening hooks 2332 are not uniformly distributed. In addition, the connection plate 2331, in which the first connecting member is a semi-ring shape, is only a specific arrangement form, and the first connecting member is a fan-ring shape connection plate in which a central angle is an acute angle or a fan-ring shape connection plate in which a circular angle is an obtuse angle. In addition, it is only a preferable configuration that the drainage outer tube 21 has elasticity greater than that of the connecting member 23, and those skilled in the art can adjust the elasticity as needed, for example, in a feasible configuration, the drainage outer tube 21 and the connecting member 23 can be made of the same material, such as plastic, and the drainage outer tube 21 and the tubular body 231 of the connecting member 23 are connected by interference fit.
In an alternative arrangement, the connecting section 212 is not provided with an escape structure, and two hooks 2332 on the connecting plate 2331 are clamped with the clamping holes 2323 from the outer side of the cylindrical structure 2322.
In an alternative arrangement, the outer diameter of the connecting section 212 is set to be the same as the outer diameter of the pipe body 211, i.e. the connecting portion of the pipe body 211 and the connecting section 212 is not formed with a step surface, and the connecting plate 2331 as the first connecting member can be fixedly connected with the connecting section 212 by screws, pins, etc., but the first connecting member can also be a bar-shaped member, a block-shaped member, etc.
The first member of the first docking member 232 is the annular plate 2321, the second member of the first docking member 232 is the tubular structure 2322, and the tubular structure 2322 can shield the connection part of the connection section 212 and the tubular body 231, so that a certain protection effect is achieved on the connection part, and collision and damage are avoided. It will be appreciated that the above arrangement is merely a preferred arrangement and that one skilled in the art can modify it as desired, such as in one possible arrangement where the first member of the first docking member 232 is a fan ring plate and the second member is an arcuate plate formed on the fan ring plate.
In another possible arrangement, the first butt joint member is not provided with a clamping hole, the second butt joint member is not provided with a clamping hook, the second butt joint member is arranged on the outer drainage pipe, and after the outer drainage pipe and the tubular body are installed in place, the first butt joint member and the second butt joint member are just abutted.
In another possible embodiment, the drain pipe 2 comprises at least two drain outer pipes 21 of different lengths. Through the arrangement, in the process of installing the washing machine in a use place, the drainage outer pipe 21 with a proper length can be selected and connected with the connecting piece 23 according to the space position of the installation place and the relative position of the washing machine and the floor drain. Thus, the use requirements of different users are met.
It can be seen from the above description that the technical scheme of the utility model in, through set up first butt joint component on the tubulose body of connecting piece, connecting piece configuration second butt joint component through first butt joint component and the butt joint of second butt joint component in the first pipeline section of drain pipe and tubulose body installation, can accurately judge whether the first pipeline section and the tubulose body of drain pipe are connected in place to the condition that the installation is not in place and appear leaking in the use has easily appeared with the drainage outer tube in drainage inner tube has been avoided. Under the state that first pipeline section and tubular body installed in place, first butt joint component and second butt joint component are realized connecting through the mode of joint, have further improved the reliability of being connected of first pipeline section and connecting piece.
So far, the technical solution of the present invention has been described with reference to the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Without departing from the principle of the present invention, a person skilled in the art can make equivalent changes or substitutions to the related technical features, and the technical solutions after these changes or substitutions will fall within the protection scope of the present invention.
Claims (10)
1. A drain pipe of a washing appliance, characterized in that the drain pipe comprises a first pipe section and a second pipe section, which are connected to each other by means of a connecting piece,
wherein the connecting piece comprises a tubular body, a first butt joint component is arranged on the peripheral surface of the tubular body, a second butt joint component is also arranged on the connecting piece, the first pipe section and the second pipe section are sleeved with the tubular body,
the second docking member is capable of docking with the first docking member in a state where the first pipe section is mounted in place with the tubular body so as to confirm that the first pipe section is mounted in place with the tubular body.
2. The drain of claim 1 wherein the first abutment member includes a first member extending radially outwardly of the tubular body, the first member having a second member extending axially of the tubular body on a side remote from the tubular body,
and the second component is provided with a clamping hole, and the clamping hole is clamped with the second butt joint component.
3. The drain pipe of claim 2 wherein the second docking member includes a first connector and a catch disposed on the first connector for engaging the catch aperture,
when the first pipe section and the tubular body are installed in place and the first butt joint component and the second butt joint component are in butt joint, the first connecting piece is sleeved at one end of the tubular body and fixed with the first pipe section, and the clamping hook is clamped with the clamping hole.
4. The drain pipe of claim 3 wherein the first pipe section includes a pipe body and a connecting section having an outer diameter greater than an outer diameter of the pipe body to form a stepped surface at a junction, the first connector being a connecting plate,
and under the state that the first butt joint component and the second butt joint component are in butt joint, the connecting plate is abutted against the step surface, and the clamping hook is clamped with the clamping hole.
5. The drain pipe of claim 4 wherein the connecting section is formed with a relief structure near one end of the pipe body,
and under the state that the first pipe section and the tubular body are installed in place, the clamping hook extends into the position between the second component and the connecting section through the avoiding structure and is clamped with the clamping hole.
6. The drain pipe of claim 5 wherein the avoiding structure is a wiper ramp formed at an end of the connecting section adjacent the pipe body.
7. The drain of any of claims 4 to 6 wherein the first member is an annular plate and the second member is a cylindrical structure.
8. The drain of claim 7 wherein the web is in the shape of a fan ring.
9. A washing apparatus, characterized in that it comprises a drain of a washing apparatus according to any one of claims 1 to 8.
10. The washing apparatus as recited in claim 9 wherein the drain comprises at least two second pipe segments of different lengths.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020633314.6U CN213013550U (en) | 2020-04-23 | 2020-04-23 | Washing equipment and drain pipe thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020633314.6U CN213013550U (en) | 2020-04-23 | 2020-04-23 | Washing equipment and drain pipe thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213013550U true CN213013550U (en) | 2021-04-20 |
Family
ID=75484271
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020633314.6U Active CN213013550U (en) | 2020-04-23 | 2020-04-23 | Washing equipment and drain pipe thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213013550U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022134347A1 (en) * | 2020-12-24 | 2022-06-30 | 青岛海尔洗衣机有限公司 | Joint for drainage hose, and washing machine |
-
2020
- 2020-04-23 CN CN202020633314.6U patent/CN213013550U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022134347A1 (en) * | 2020-12-24 | 2022-06-30 | 青岛海尔洗衣机有限公司 | Joint for drainage hose, and washing machine |
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