CN112239931A - Washing machine impeller fastening structure and washing machine - Google Patents
Washing machine impeller fastening structure and washing machine Download PDFInfo
- Publication number
- CN112239931A CN112239931A CN201910656285.7A CN201910656285A CN112239931A CN 112239931 A CN112239931 A CN 112239931A CN 201910656285 A CN201910656285 A CN 201910656285A CN 112239931 A CN112239931 A CN 112239931A
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- China
- Prior art keywords
- washing machine
- impeller
- fastener
- pulsator
- fastening structure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000005406 washing Methods 0.000 title claims abstract description 49
- 238000003780 insertion Methods 0.000 claims description 13
- 230000037431 insertion Effects 0.000 claims description 13
- 230000002337 anti-port Effects 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F17/00—Washing machines having receptacles, stationary for washing purposes, wherein the washing action is effected solely by circulation or agitation of the washing liquid
- D06F17/06—Washing machines having receptacles, stationary for washing purposes, wherein the washing action is effected solely by circulation or agitation of the washing liquid by rotary impellers
- D06F17/08—Driving arrangements for the impeller
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F17/00—Washing machines having receptacles, stationary for washing purposes, wherein the washing action is effected solely by circulation or agitation of the washing liquid
- D06F17/06—Washing machines having receptacles, stationary for washing purposes, wherein the washing action is effected solely by circulation or agitation of the washing liquid by rotary impellers
- D06F17/10—Impellers
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Accessory Of Washing/Drying Machine, Commercial Washing/Drying Machine, Other Washing/Drying Machine (AREA)
- Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
Abstract
The invention discloses a washing machine impeller fastening structure and a washing machine, wherein the fastening structure comprises an impeller lining which is fixedly connected with an impeller of the washing machine; the fastener is provided with threads, and the impeller lining is in threaded connection with the driving shaft through the fastener; the anti-falling assembly is connected with the fastener and the impeller lining and used for limiting the axial rotation of the fastener. Above-mentioned washing machine impeller fastening structure, when washing machine operation, the impeller forward rotation can not become flexible to the fastener and cause the influence, and when the antiport, anticreep subassembly can balance to fall the impeller and apply for the radial power of fastener, makes the fastener can not rotatory not hard up when the impeller is just counter-rotating, reaches the purpose of continuously fastening the impeller.
Description
Technical Field
The invention relates to the technical field of washing machines, in particular to a washing machine impeller fastening structure and a washing machine.
Background
At present, the impeller of the washing machine is mostly a plastic impeller, the phenomenon of screw looseness does not occur when the impeller is fastened by screws, and the newly developed all-steel impeller washing machine adopts the conventional fastening mode as shown in figure 1: the impeller and the impeller lining are fixed through rivets, and the impeller lining and the driving shaft are fixed through bolts and threads. In the washing process, because the impeller rotates in the positive and negative directions ceaselessly and the load of the washing machine and the gravity of water are applied to the impeller, the stress load of the impeller is ceaselessly changed, and the bolt and the impeller lining of the washing machine for preventing water are made of stainless steel materials. The bolt is made of rigid material, when the stress is uneven, the bolt and the lining are changed from large surface contact to small surface contact, and the friction force is reduced; when a certain point is reached, the self friction force of the screw is smaller than the radial force applied to the screw by the impeller, the bolt can slowly rotate and loosen, and the screw runs for a long time and even has the risk of completely disengaging, so that the use of a user is influenced.
Disclosure of Invention
Based on the technical problem, the invention aims to provide a washing machine impeller fastening structure for preventing a bolt from loosening and a washing machine.
In order to realize the purpose of the invention, the invention is realized by adopting the following technical scheme:
a pulsator fastening structure of a washing machine, comprising:
the impeller lining is fixedly connected with an impeller of the washing machine;
the fastener is provided with threads, and the impeller lining is in threaded connection with the driving shaft through the fastener;
the anti-falling assembly is connected with the fastener and the impeller lining and used for limiting the axial rotation of the fastener.
Further, the anticreep subassembly includes:
the fixing frame is fixedly connected with the impeller lining, a through hole is axially formed in the fixing frame, and the head of the fastening piece is sleeved in the through hole; the head of the fastener is radially provided with at least one slot, and the fixed frame is provided with limiting parts corresponding to two ends of the slot;
and the limiting pin is inserted into the limiting part and the slot to limit the axial rotation of the fastener.
Further, the mount and the impeller inside lining structure as an organic whole, the mount is located the top of impeller inside lining.
Further, the fixing frame includes:
the chassis part is fixedly arranged on the impeller;
the boss part is positioned in the center of the base part, and the through holes are formed in the centers of the base part and the boss part.
Furthermore, two jacks communicated with the through hole are formed in the fixing frame along the radial direction, and the two jacks form the limiting part; the axes of the two jacks and the slot of the head of the fastener are positioned on the same straight line; the limiting pin is a split pin, and the split pin penetrates through the two jacks and the slot.
Furthermore, the top end of the fixing frame is provided with at least two buckles with upward openings, the two buckles are positioned on two sides of the fastener, and the two buckles form the limiting part; the limiting pin is pressed into the slot and the buckles on the two sides from top to bottom and is fixed through the buckles.
Furthermore, the fastener is a hexagon bolt, the head of the hexagon bolt is radially provided with at least one slot, and the top end of the slot is opened.
Furthermore, an elastic gasket is sleeved on the fastener and arranged between the head of the fastener and the impeller lining.
Furthermore, the bottom of the center of the impeller is provided with a groove part, the center of the groove part is provided with a mounting hole, and the fixing frame extends upwards out of the mounting hole; and a fool-proof structure is arranged between the fixing frame and the mounting hole.
A washing machine comprises the washing machine impeller fastening structure.
Compared with the prior art, the invention has the advantages and positive effects that:
above-mentioned washing machine impeller fastening structure, when washing machine operation, the impeller forward rotation can not become flexible to the fastener and cause the influence, and when the antiport, anticreep subassembly can balance to fall the impeller and apply for the radial power of fastener, makes the fastener can not rotatory not hard up when the impeller is just counter-rotating, reaches the purpose of continuously fastening the impeller.
Other features and advantages of the present invention will become more apparent from the following detailed description of the invention when taken in conjunction with the accompanying drawings.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic structural view of a fastening structure of a pulsator of a washing machine according to an embodiment of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1;
FIG. 3 is an exploded view of a fastening structure of a pulsator for a washing machine according to an embodiment of the present invention;
FIG. 4 is an enlarged view of a portion of FIG. 3;
FIG. 5 is a cross-sectional view of a fastening structure of a pulsator for a washing machine according to a first embodiment of the present invention;
FIG. 6 is a schematic structural view of a fastening structure of a pulsator of a washing machine according to a second embodiment of the present invention;
FIG. 7 is an enlarged view of a portion of FIG. 6;
FIG. 8 is an exploded view of a pulsator fastening structure of a washing machine according to a second embodiment of the present invention;
FIG. 9 is an enlarged view of a portion of FIG. 8;
FIG. 10 is a sectional view of a pulsator fastening structure of a washing machine according to a second embodiment of the present invention;
description of reference numerals:
an impeller 100; a groove portion 110;
an impeller liner 200;
a drive shaft 300;
a bolt 400; a head portion 410; a slot 411; a screw part 420;
a fixing frame 500; a through-hole 510; a jack 520;
a spacing pin 600;
a bullet pad 700; a flat gasket 800; a rivet 910; a missing corner 930;
a fixed frame 500'; a through-hole 510'; a chassis portion 520'; a boss portion 530'; a buckle 531';
a spacing pin 600'; a stopper portion 610'; and screws 920.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings and examples.
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", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are merely 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" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Example one
Referring to fig. 1 to 5, in a first embodiment of the fastening structure of the pulsator for a washing machine of the present invention, the fastening structure of the pulsator for a washing machine includes a pulsator 100, a pulsator lining 200, a driving shaft 300, a fastening member, and an anti-slip assembly. The pulsator 100 and the pulsator lining 200 are preferably made of a rigid material, such as stainless steel. The bottom of the center of the impeller 100 is provided with a groove 110, and the center of the groove 110 is provided with a mounting hole. The impeller lining 200 is arranged at the lower side of the mounting hole, and the periphery of the impeller lining 200 is fixedly connected with the impeller 100 through the rivets 910. The fastener includes a head portion 410 and a threaded shank portion 420, which in this embodiment is a bolt 400. As shown in fig. 5, the drive shaft 300 is a reducer spline shaft. The driving shaft 300 is inserted from the lower end of the pulsator lining 200, and the fastening members are inserted from the mounting hole of the pulsator 100 and the upper end of the pulsator lining 200, and are screw-coupled to the driving shaft 300. The anti-dropping assembly is connected with the fastener and the pulsator lining 200 and is used for limiting the axial rotation of the fastener.
According to the impeller fastening structure of the washing machine, when the washing machine operates, the impeller 100 rotates forwards without affecting the loosening of the fastening piece, and when the impeller 100 rotates reversely, the anti-dropping assembly can balance the radial force applied to the fastening piece by the impeller 100, so that the fastening piece cannot rotate and loosen when the impeller 100 rotates forwards and reversely, and the aim of continuously fastening the impeller 100 is fulfilled.
As shown in fig. 2 and 5, the anti-dropping-off assembly specifically includes a fixing frame 500 and a stopper pin 600. The fixing frame 500 is fixedly connected with the impeller lining 200, a through hole 510 is formed in the fixing frame 500 along the axial direction of the driving shaft 300, and the head 410 of the fastener is sleeved in the through hole 510. At least one slot 411 is radially formed on the head 410 of the fastener, and a limiting portion is disposed on the fixing frame 500 corresponding to two ends of the slot 411. The limit pin 600 is inserted into the limit portion and the slot 411, passes through the through hole 510, and limits the axial rotation of the fastener.
In the present embodiment, as shown in fig. 5, the fixing frame 500 and the inner liner 200 are an integral structure, and the fixing frame 500 is located at the top end of the inner liner 200. The upper end of the fixing frame 500 extends out of the mounting hole of the pulsator 100.
Referring to fig. 1, two insertion holes 520 communicated with the through hole 510 are formed in the fixing frame 500 along the radial direction, and the two insertion holes 520 form a limiting portion. The axes of the two receptacles 520 and the socket 411 of the fastener head 410 are collinear. The limiting pin 600 is a split pin, and the split pin traverses the two insertion holes 520 and the insertion slot 411. After the cotter pin is inserted, the open end of the cotter pin is broken to both sides, preventing the cotter pin from being separated from the fixing frame 500. It should be noted that in other embodiments, the limit pin 600 may be replaced by a fastener such as a bolt and a nut.
The fastener is preferably a hexagon bolt 400, as shown in fig. 3 and 4, the head 410 of the hexagon bolt 400 is provided with at least one slot 411 along the radial direction, and the top end of the slot 411 is opened, so that the processing and manufacturing are convenient. In this embodiment, the three slots 411 are provided, and respectively penetrate through three pairs of opposite side surfaces of the hexagon bolt 400, so that after the bolt 400 is screwed, the slots 411 are aligned with the insertion holes 520 by proper fine adjustment, the stop pins 600 can be conveniently inserted, and the fastening requirements of the bolt 400 are met. In this embodiment, the cross section of the fixing frame 500 is square, the insertion holes 520 on the fixing frame 500 are disposed on opposite sides, and for the convenience of inserting the stop pin 600, the insertion holes 520 may be disposed on the other opposite side.
When the limit pin 600 is inserted, the slot 411 of the bolt 400 needs to be aligned with the insertion hole 520 of the pulsator lining 200, and since the bolt 400 is not easily aligned when being fastened to the pulsator lining 200, the elastic pad 700 is further sleeved on the bolt 400, and the elastic pad 700 is disposed between the head 410 of the bolt 400 and the pulsator lining 200. The elastic washer 700 has a certain pretension, and can be adjusted in a rotating manner when the bolt 400 is screwed, so that the slot 411 is aligned with the insertion hole 520, and at the moment, the elastic washer 700 is compressed to a certain amount, which can meet the fastening requirement of the bolt 400. The bolt 400 is further sleeved with a flat gasket 800, that is, the bolt 400 is sleeved with an elastic gasket 700 and the flat gasket 800 from top to bottom to form a bolt assembly, and the flat gasket 800 is used for increasing the contact area between the head 410 of the bolt 400 and the impeller liner 200 and dispersing pressure.
In order to facilitate the positioning of the fixing frame 500 during the assembly, a fool-proof structure is provided between the fixing frame 500 and the mounting hole. In the present embodiment, as shown in fig. 2, the fool-proof structure is implemented by providing a notch 930 on the square fixing frame 500, and the mounting hole is correspondingly provided in a rectangular shape with a notch. In other embodiments, the shape of the fixing frame 500 is not limited to the above shape, and any shape capable of realizing the fool-proof function is within the scope of the present invention.
The assembling process of the pulsator 100 in this embodiment is as follows: firstly, the bolt assembly penetrates through the impeller lining 200 and is fastened on the driving shaft 300, so that the slot 411 of the bolt 400 is aligned with the jack 520 on the impeller lining 200, if the elastic gasket 700 is pressed and the slot 411 of the bolt 400 is not aligned with the jack 520 of the fixing frame 500 on the impeller lining 200, the bolt 400 can be rotated a little properly so that the slot 411 is aligned with the jack 520; then, the cotter pin is inserted into the slot 411 from the insertion hole 520, and extends from the insertion hole 520 at the other side, and finally, the open end of the cotter pin is locked to be opened to both sides.
Example two
Referring to fig. 6-10, in the present embodiment, the mount is a separate component, and the mount 500 ' includes a base portion 520 ' and a boss portion 530 '. The chassis part 520' has a disc shape, is adapted to the groove part 110 of the pulsator 100, and is disposed in the groove part 110. The chassis part 520' is fixed on the pulsator by screws 920. Boss portion 530 ' is located at the center of base portion 520 ' and protrudes upwardly from base portion 520 '. The centers of the base portion 520 ' and the boss portion 530 ' are opened with a through hole 510 ' for passing a bolt.
As shown in fig. 9, at least two hooks 531 ' are provided at the top end of the fixing frame 500 ', and the hooks 531 ' have upward openings. Namely, clasp 531' includes a pair of opposed and vertically disposed clasp arms. Two snaps 531' are located on either side of the fastener, the two snaps forming a stop. The upper end of the slot 411 at the head of the bolt 400 is opened, and the limit pin 600 ' is pressed into the slot 411 and the buckles 531 ' at the two sides from top to bottom and is fixed by the buckles 531 '. In order to prevent the stopper pin 600 'from falling off from the buckle 531' in the radial direction, stoppers 610 'may be provided at both ends of the stopper pin 600'.
The impeller assembly process in this embodiment is as follows: firstly, a bolt assembly penetrates through the impeller lining to be fastened on the driving shaft, the fixing frame 500 'is fixed on the impeller through a screw 920, a slot of the bolt is aligned with a buckle 531' on the fixing frame 500 ', and if the elastic gasket is pressed and the slot of the bolt is not aligned with the buckle 531' of the fixing frame 500 'on the impeller lining, the bolt can be properly rotated to a little to align the slot with the buckle 531'; and then the spacing pin 600 'is pressed into the slot and the buckle 531' from top to bottom to be fixed.
It should be noted that the stop pin and the snap-fit assembly structure in the second embodiment may also replace the cotter pin and the jack assembly structure in the first embodiment, whereas the cotter pin and the jack assembly structure in the first embodiment may also replace the stop pin and the snap-fit assembly structure in the second embodiment, and the detailed structure is not repeated herein.
The invention also comprises a washing machine which comprises the washing machine impeller fastening structure.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions.
Claims (10)
1. A washing machine pulsator fastening structure, comprising:
the impeller lining is fixedly connected with an impeller of the washing machine;
the fastener is provided with threads, and the impeller lining is in threaded connection with the driving shaft through the fastener;
the anti-falling assembly is connected with the fastener and the impeller lining and used for limiting the axial rotation of the fastener.
2. The washing machine pulsator fastening structure of claim 1, wherein the anti-dropping assembly comprises:
the fixing frame is fixedly connected with the impeller lining, a through hole is axially formed in the fixing frame, and the head of the fastening piece is sleeved in the through hole; the head of the fastener is radially provided with at least one slot, and the fixed frame is provided with limiting parts corresponding to two ends of the slot;
and the limiting pin is inserted into the limiting part and the slot to limit the axial rotation of the fastener.
3. The washing machine pulsator fastening structure of claim 2, wherein the holder is integrated with a pulsator lining, and the holder is located at a top end of the pulsator lining.
4. The washing machine pulsator fastening structure of claim 2, wherein the holder comprises:
the chassis part is fixedly arranged on the impeller;
the boss part is positioned in the center of the base part, and the through holes are formed in the centers of the base part and the boss part.
5. The washing machine pulsator fastening structure according to claim 3 or 4, wherein the fixing frame is provided with two insertion holes communicated with the through hole along a radial direction, and the two insertion holes form the limiting part; the axes of the two jacks and the slot of the head of the fastener are positioned on the same straight line; the limiting pin is a split pin, and the split pin penetrates through the two jacks and the slot.
6. The washing machine pulsator fastening structure according to claim 3 or 4, wherein the top end of the fixing frame is provided with at least two buckles with upward openings, the two buckles are located at two sides of the fastening member, and the two buckles form the limiting part; the limiting pin is pressed into the slot and the buckles on the two sides from top to bottom and is fixed through the buckles.
7. The washing machine pulsator fastening structure according to claim 6, wherein the fastening member is a hexagon bolt, a head of the hexagon bolt is radially provided with at least one slot, and a top end of the slot is open.
8. The washing machine pulsator fastening structure according to claim 2, wherein the fastening member is sleeved with an elastic washer, and the elastic washer is disposed between a head of the fastening member and the pulsator lining.
9. The fastening structure of the pulsator of a washing machine as claimed in claim 8, wherein a groove is formed at the bottom of the center of the pulsator, a mounting hole is formed at the center of the groove, and the fixing frame is protruded upwardly from the mounting hole; and a fool-proof structure is arranged between the fixing frame and the mounting hole.
10. A washing machine, characterized by comprising the washing machine pulsator fastening structure as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910656285.7A CN112239931B (en) | 2019-07-19 | 2019-07-19 | Washing machine impeller fastening structure and washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910656285.7A CN112239931B (en) | 2019-07-19 | 2019-07-19 | Washing machine impeller fastening structure and washing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112239931A true CN112239931A (en) | 2021-01-19 |
| CN112239931B CN112239931B (en) | 2024-07-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910656285.7A Active CN112239931B (en) | 2019-07-19 | 2019-07-19 | Washing machine impeller fastening structure and washing machine |
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| Country | Link |
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| CN (1) | CN112239931B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20000000323A (en) * | 1999-10-12 | 2000-01-15 | 최창묵 | The screw for use the lifted prevention |
| KR200314462Y1 (en) * | 2003-02-28 | 2003-05-28 | 주식회사 대우일렉트로닉스 | Pulsator for washing machine |
| KR20030089013A (en) * | 2002-05-15 | 2003-11-21 | 엘지전자 주식회사 | fixing cam mounting of pulsator for wash machine |
| CN202381495U (en) * | 2011-12-15 | 2012-08-15 | 株洲市高远电池有限公司 | Bolt-on connection locking device for lithium ion battery pack |
| CN202402444U (en) * | 2011-12-10 | 2012-08-29 | 昆明中铁大型养路机械集团有限公司 | Fastening lock bolt |
| CN105715653A (en) * | 2016-04-26 | 2016-06-29 | 中国第一汽车股份有限公司 | Spacing type anti-loosing bolt assembly |
| CN108221261A (en) * | 2017-12-22 | 2018-06-29 | 无锡小天鹅股份有限公司 | Wave-wheel assembly and washing machine |
| CN207892971U (en) * | 2018-02-06 | 2018-09-21 | 佛山市南海区桥亿五金电器有限公司 | A kind of big specification external member stop nut of hexagonal flange |
-
2019
- 2019-07-19 CN CN201910656285.7A patent/CN112239931B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20000000323A (en) * | 1999-10-12 | 2000-01-15 | 최창묵 | The screw for use the lifted prevention |
| KR20030089013A (en) * | 2002-05-15 | 2003-11-21 | 엘지전자 주식회사 | fixing cam mounting of pulsator for wash machine |
| KR200314462Y1 (en) * | 2003-02-28 | 2003-05-28 | 주식회사 대우일렉트로닉스 | Pulsator for washing machine |
| CN202402444U (en) * | 2011-12-10 | 2012-08-29 | 昆明中铁大型养路机械集团有限公司 | Fastening lock bolt |
| CN202381495U (en) * | 2011-12-15 | 2012-08-15 | 株洲市高远电池有限公司 | Bolt-on connection locking device for lithium ion battery pack |
| CN105715653A (en) * | 2016-04-26 | 2016-06-29 | 中国第一汽车股份有限公司 | Spacing type anti-loosing bolt assembly |
| CN108221261A (en) * | 2017-12-22 | 2018-06-29 | 无锡小天鹅股份有限公司 | Wave-wheel assembly and washing machine |
| CN207892971U (en) * | 2018-02-06 | 2018-09-21 | 佛山市南海区桥亿五金电器有限公司 | A kind of big specification external member stop nut of hexagonal flange |
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| Publication number | Publication date |
|---|---|
| CN112239931B (en) | 2024-07-16 |
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