CN210712213U - Isolated washing machine inner barrel with anti-loosening lock catch structure - Google Patents
Isolated washing machine inner barrel with anti-loosening lock catch structure Download PDFInfo
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- CN210712213U CN210712213U CN201921636788.XU CN201921636788U CN210712213U CN 210712213 U CN210712213 U CN 210712213U CN 201921636788 U CN201921636788 U CN 201921636788U CN 210712213 U CN210712213 U CN 210712213U
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Abstract
The utility model discloses an isolated washing machine inner cylinder with a locking and buckling structure, which comprises an inner cylinder main body, an upper door and a lower door, wherein a locking and buckling structure is arranged in a second groove of the lower door; the lock catch structure comprises a middle shaft, a handle plate, 2 bolt shafts, 2 first connecting blocks, 2 second connecting blocks and 2 connecting screw rods; the middle shaft is fixedly connected with the middle part of the second groove of the lower door; the handle plate comprises a connecting plate and a handle, and the connecting plate is sleeved on the middle shaft; 2 bolt shafts are respectively supported on the first bushings on the side walls of the second grooves of the lower door; the handle plate connecting plate is connected with the bolt shafts on the two sides through a connecting screw rod; when the upper door and the lower door are closed, the second groove of the lower door is embedded in the first groove of the upper door, and the end part of the bolt shaft can penetrate through the through hole on the side wall of the first groove of the upper door and is inserted into the first positioning hole on the side wall of the inner cylinder body; the handle end is provided with a locking structure. The utility model discloses rational in infrastructure, the operation is swift, has better locking performance.
Description
Technical Field
The utility model relates to a drum type washing machine technical field, specifically say, relate to a health isolation formula washing machine inner tube of lock structure.
Background
The sanitary isolation type washing machine adopts a closed inner barrel, generally comprises an inner barrel main body, an upper door and a lower door, wherein the inner barrel main body comprises an inner barrel opening, the inner barrel opening is positioned on the circumferential end surface of the inner barrel main body, the upper door is hinged to the upper edge of the inner barrel opening, the lower door is hinged to the lower edge of the inner barrel opening, the upper door and the lower door are opened when clothes are required to be put in, and the upper door and the lower door are closed after the clothes are put in. For closing and locking an upper door and a lower door, the inner barrel of the existing sanitary isolation type washing machine adopts different lock catch structures, but has certain defects which are mainly expressed as follows: firstly, some lock catch structures are too simple, and bolt structures are respectively arranged on two sides of the lock catch structures, so that the lock catch structures are low in operation efficiency and poor in locking performance; secondly, some lock catches are too complicated in structure, easy to loosen in the using process and poor in locking performance.
Disclosure of Invention
The utility model discloses to prior art's not enough, provide an isolated washing machine inner tube that has locking hasp structure rational in infrastructure, have better locking performance.
The utility model discloses a technical goal is realized to following technical scheme.
The inner cylinder of the isolated washing machine with the anti-loosening lock catch structure comprises an inner cylinder main body, an upper door and a lower door, wherein the inner cylinder main body comprises an inner cylinder opening, and the inner cylinder opening is positioned on the circumferential end surface of the inner cylinder main body; the upper door is hinged to the upper edge of the opening of the inner cylinder, and the lower door is hinged to the lower edge of the opening of the inner cylinder; the free end of the upper door is provided with a first groove arranged in parallel with the central axis direction of the inner cylinder main body, and the free end of the lower door is provided with a second groove arranged in parallel with the central axis direction of the inner cylinder main body; when the second groove of the lower door is embedded in the first groove of the upper door, the upper door and the lower door are closed; the improvement is that: a lock catch structure is arranged in the second groove of the lower door; the lock catch structure comprises a middle shaft, a handle plate, 2 bolt shafts, 2 first connecting blocks, 2 second connecting blocks and 2 connecting screw rods; the central axis of the middle shaft is vertical to the central axis of the inner cylinder main body and is fixedly connected with the middle part of the second groove of the lower door; the handle plate comprises a connecting plate and a handle, and the connecting plate is sleeved on the middle shaft in a clearance fit manner through a connecting hole in the middle part; the central axes of the 2 pin shafts are parallel to the central axis of the inner cylinder main body, are respectively arranged at two sides of the handle plate connecting plate and are respectively supported on the first bushings on the side walls of the second grooves of the lower door in a clearance fit manner; connecting screw rods are respectively arranged between the handle plate connecting plate and the bolt shafts on the two sides; at one side of handle plate connecting plate, be connected through first connecting block between connecting screw and the handle plate connecting plate: the handle plate connecting plate is hinged with the first connecting block through a first connecting shaft of which the central axis is parallel to the central axis of the middle shaft, and the first connecting block is in threaded connection with the connecting screw rod; connect through the second connecting block between connecting screw and the bolt axle: the bolt shaft is hinged with the second connecting block through a second connecting shaft of which the central axis is parallel to the central axis of the middle shaft, and the second connecting block is in threaded connection with the connecting screw rod; the handle is arranged at the front end of the connecting plate of the handle plate, which is far away from the central axis of the inner cylinder main body; through holes with central axes parallel to the central axis of the inner cylinder main body are respectively arranged on the side walls of the two sides of the first groove of the upper door; the side walls of the two sides of the inner cylinder main body are respectively provided with a first positioning hole of which the central axis is parallel to the central axis of the inner cylinder main body; when the upper door and the lower door are closed, the second groove of the lower door is embedded in the first groove of the upper door, and the end part of the bolt shaft can penetrate through the through hole on the side wall of the first groove of the upper door and is inserted into the first positioning hole on the side wall of the inner cylinder body; the end part of the handle is provided with a locking structure; the anti-loosening structure comprises a handle sleeve, a first bolt, a compression spring and a handle shaft; the central axis of the handle sleeve is arranged in the plane of the central axes of the 2 bolt shafts, one end close to the central axis is fixedly connected to the end part of the handle, and the first bolt is inserted into one end, far away from the central axis, of the handle sleeve in a clearance fit manner; the handle sleeve is provided with an axial straight groove parallel to the central axis of the handle sleeve; the handle shaft penetrates through the axial straight groove in the handle sleeve, one end of the handle shaft is fixedly connected to the side wall of the first bolt, the other end of the handle shaft extends out of the handle sleeve, and the handle shaft is in clearance fit with the axial straight groove; a compression spring is arranged between the first bolt and the end part of the handle in the inner hole of the handle sleeve; a second positioning hole is formed in the side wall of the second groove of the lower door; when the handle sleeve rotates to the position that the central axis of the handle sleeve is parallel to the central axis of the inner cylinder main body, the end part of the first bolt is inserted into a second positioning hole in the side wall of a second groove of the lower door, and an anti-loose structure is formed.
In the structure, the axial straight groove on the handle sleeve is provided with the circumferential straight groove at one end far away from the central shaft, the circumferential straight groove is arranged on one side of the axial straight groove in the opposite direction to the rotation direction of the inner cylinder main body in the circumferential direction of the handle sleeve, and the handle shaft is in clearance fit with the circumferential straight groove.
In the structure, the cross sections of the upper door first groove and the lower door second groove are V-shaped or semicircular.
In the structure, the middle shaft is provided with the limiting sleeves at the upper part and the lower part of the handle plate connecting plate respectively.
Compared with the prior art, the utility model, following positive effect has:
1. the utility model discloses as long as rotate the handle board, adopt connecting rod formula structure, just can realize the locking of upper door, lower door, rational in infrastructure, showing and improving operating efficiency, the operation is swift, effective.
2. The handle tip is equipped with anti loosening structure, and when the handle cover rotated the central axis of handle cover and was on a parallel with inner tube main part central axis, the tip of first bolt inserted under in the second locating hole on the second recess lateral wall, under compression spring's effect, can prevent that the tip of first bolt from following the second locating hole on the second recess lateral wall of lower door and breaking away from, formation anti loosening structure.
3. The axial straight groove on the handle sleeve is provided with a circumferential straight groove at one end far away from the center shaft, the circumferential straight groove is arranged on one side of the axial straight groove opposite to the rotation direction of the inner cylinder body in the circumferential direction of the handle sleeve, and the handle shaft is in clearance fit with the circumferential straight groove. Therefore, unless the first bolt is manually disengaged from the circumferential straight groove, the end part of the first bolt is always inserted into the second positioning hole in the side wall of the second groove of the lower door, and the anti-loosening effect is ensured.
Drawings
Fig. 1 is the schematic structural diagram of the present invention (the upper door 2 and the lower door 3 are in a closed state, and the locking structure 4 is in a locking state).
Fig. 2 is a sectional view taken along line C-C in fig. 1 (the upper and lower doors 2 and 3 are closed, and the latch mechanism 4 is locked).
Fig. 3 is a sectional view taken along line C-C in fig. 1 (the upper and lower doors 2 and 3 are closed, and the latch structure 4 is disengaged).
Fig. 4 is a sectional view taken along line a-a of fig. 1 (the upper and lower doors 2 and 3 are closed, and the latch mechanism 4 is locked).
Fig. 5 is a sectional view taken along line B-B in fig. 4.
Fig. 6 is a sectional view taken along line a-a in fig. 1 (the upper door 2 and the lower door 3 are in an open state).
Fig. 7 is an enlarged schematic view of the structure of the middle locking structure 4 of the present invention.
Fig. 8 is a top view of fig. 7.
Fig. 9 is a cross-sectional view taken along line D-D of fig. 7.
Fig. 10 is a schematic structural view of the handle sleeve 4.8 of the present invention.
Detailed Description
The invention will be further explained with reference to the following embodiments according to the attached drawings.
The isolated washing machine inner cylinder with the anti-loose lock catch structure shown in the attached drawing comprises an inner cylinder main body 1, an upper door 2 and a lower door 3, wherein the inner cylinder main body 1 comprises an inner cylinder opening 1.1, and the inner cylinder opening 1.1 is positioned on the circumferential end surface of the inner cylinder main body 1; the upper door 2 is hinged to the upper edge of the inner cylinder opening 1.1, and the lower door 3 is hinged to the lower edge of the inner cylinder opening 1.1; the free end of the upper door 2 is provided with a first groove 2.1 which is arranged in parallel with the central axis direction of the inner cylinder main body 1, the free end of the lower door 3 is provided with a second groove 3.1 which is arranged in parallel with the central axis direction of the inner cylinder main body 1, in the embodiment, the cross sections of the first groove 2.1 of the upper door 2 and the second groove 3.1 of the lower door 3 are V-shaped (in other embodiments, the cross sections of the first groove 2.1 of the upper door 2 and the second groove 3.1 of the lower door 3 are semicircular); when the second groove 3.1 of the lower door 3 is fitted in the first groove 2.1 of the upper door 2, the upper and lower doors 2, 3 are closed.
A lock catch structure 4 is arranged in the second groove 3.1 of the lower door 3; the lock catch structure 4 comprises a middle shaft 4.1, a handle plate 4.2, 2 bolt shafts 4.3, 2 first connecting blocks 4.7, 2 second connecting blocks 4.4 and 2 connecting screw rods 4.5; the central axis of the middle shaft 4.1 is vertical to the central axis of the inner cylinder main body 1 and is fixedly connected with the middle part of a second groove 3.1 of the lower door 3; the handle plate 4.2 comprises a connecting plate 4.2.1 and a handle 4.2.2, the connecting plate 4.2.1 is sleeved on the middle shaft 4.1 in a clearance fit manner through a connecting hole in the middle part, and in the embodiment, the middle shaft 4.1 is respectively provided with a limiting sleeve 4.13 on the upper part and the lower part of the connecting plate 4.2.1; the central axes of the 2 bolt shafts 4.3 are parallel to the central axis of the inner cylinder main body 1, are respectively arranged at two sides of the connecting plate 4.2.1 of the handle plate 4.2 and are respectively supported on the first bush 3.2 on the side wall of the second groove 3.1 of the lower door 3 in a clearance fit way; connecting screw rods 4.5 are respectively arranged between the handle plate 4.2 and the connecting plate 4.2.1 and the bolt shafts 4.3 at the two sides; in one side of handle board 4.2 connecting plate 4.2.1, be connected through first connecting block 4.7 between connecting screw 4.5 and the handle board 4.2 connecting plate 4.2.1: the handle plate 4.2 is hinged with the connecting plate 4.2.1 and the first connecting block 4.7 through a first connecting shaft of which the central axis is parallel to the central axis of the middle shaft 4.1, and the first connecting block 4.7 is in threaded connection with the connecting screw rod 4.5; connecting screw 4.5 and bolt axle 4.3 are connected through second connecting block 4.4: the bolt shaft 4.3 is hinged with the second connecting block 4.4 through a second connecting shaft of which the central axis is parallel to the central axis of the middle shaft 4.1, and the second connecting block 4.4 is in threaded connection with the connecting screw rod 4.5; the handle 4.2.2 is arranged at the front end of the connecting plate 4.2.1 of the handle plate 4.2, which is far away from the central axis of the inner cylinder main body 1; through holes 2.1.1 with central axes parallel to the central axis of the inner cylinder main body 1 are respectively arranged on the side walls of the two sides of the first groove 2.1 of the upper door 2; the side walls of the two sides of the inner cylinder main body 1 are respectively provided with a first positioning hole 1.2 the central axis of which is parallel to the central axis of the inner cylinder main body 1; when the upper door 2 and the lower door 3 are closed, the second groove 3.1 of the lower door 3 is embedded in the first groove 2.1 of the upper door 2, and the end part of the bolt shaft 4.3 can penetrate through the through hole 2.1.1 on the side wall of the first groove 2.1 of the upper door 2 and is inserted into the first positioning hole 1.2 on the side wall of the inner cylinder main body 1; the end part of the handle 4.2.2 is provided with a locking structure; the anti-loosening structure comprises a handle sleeve 4.8, a first bolt 4.9, a compression spring 4.10 and a handle shaft 4.11; the central axis of the handle sleeve 4.8 is arranged in the plane of the central axis of the 2 bolt shafts 4.3, one end close to the central axis 4.1 is fixedly connected to the end part of the handle 4.2.2, and the first bolt 4.9 is inserted into one end of the handle sleeve 4.8 far away from the central axis 4.1 in a clearance fit manner; an axial straight groove 4.8.1 parallel to the central axis of the handle sleeve 4.8 is arranged on the handle sleeve 4.8, a circumferential straight groove 4.8.2 is arranged at one end, far away from the central axis 4.1, of the axial straight groove 4.8.1 on the handle sleeve 4.8, and a circumferential straight groove 4.8.2 is arranged on one side, opposite to the rotating direction of the inner cylinder main body 1, of the axial straight groove 4.8.1 in the circumferential direction of the handle sleeve 4.8; the handle shaft 4.11 penetrates through the axial straight groove 4.8.1 on the handle sleeve 4.8, one end of the handle shaft is fixedly connected to the side wall of the first bolt 4.9, the other end of the handle shaft extends out of the handle sleeve 4.8, and the handle shaft 4.11 is in clearance fit with the axial straight groove 4.8.1 and the circumferential straight groove 4.8.2; a compression spring 4.10 is arranged in an inner hole of the handle sleeve 4.8 between the first bolt 4.9 and the end part of the handle 4.2.2; a second positioning hole 3.3 is arranged on the side wall of a second groove 3.1 of the lower door 3; when the handle sleeve 4.8 rotates to the position that the central axis of the handle sleeve 4.8 is parallel to the central axis of the inner cylinder main body 1, the end part of the first bolt 4.9 is inserted into the second positioning hole 3.3 on the side wall of the second groove 3.1 of the lower door 3, and an anti-loose structure is formed.
The utility model discloses when using, put into inner tube main part 1 back with the clothing through inner tube opening 1.1, inlay the second recess 3.1 of lower door 3 and adorn in the first recess 2.1 of upper door 2, lower door 3 close. The handle 4.2.2 is rotated anticlockwise, so that the connecting plate 4.2.1 rotates anticlockwise around the central shaft 4.1, the bolt shaft 4.3 is pushed to extend out through the connecting screw rod 4.5, the end part of the bolt shaft 4.3 penetrates through the through hole 2.1.1 in the side wall of the first groove 2.1 of the upper door 2 and is inserted into the first positioning hole 1.2 in the side wall of the inner cylinder body 1, and the locking purpose is achieved. When the handle sleeve 4.8 rotates to the position that the central axis of the handle sleeve 4.8 is parallel to the central axis of the inner cylinder main body 1, the end part of the first bolt 4.9 is inserted into the second positioning hole 3.3 on the side wall of the second groove 3.1 of the lower door 3, so that an anti-loose structure is formed, and double locking is formed. The first bolt 4.9 is rotated into the circumferential straight groove 4.8.2, and the circumferential straight groove 4.8.2 is arranged on one side of the axial straight groove 4.8.1 in the circumferential direction of the handle sleeve 4.8, which is opposite to the rotating direction of the inner cylinder body 1, so that the end part of the first bolt 4.9 is always inserted into the second positioning hole 3.3 on the side wall of the second groove 3.1 of the lower door 3 to ensure the anti-loosening effect unless the first bolt 4.9 is manually disengaged from the circumferential straight groove 4.8.2.
Claims (4)
1. An isolated washing machine inner cylinder with an anti-loosening lock catch structure comprises an inner cylinder main body (1), an upper door (2) and a lower door (3), wherein the inner cylinder main body (1) comprises an inner cylinder opening (1.1), and the inner cylinder opening (1.1) is positioned on the circumferential end face of the inner cylinder main body (1); the upper door (2) is hinged to the upper edge of the inner cylinder opening (1.1), and the lower door (3) is hinged to the lower edge of the inner cylinder opening (1.1); the free end of the upper door (2) is provided with a first groove (2.1) which is arranged in parallel to the central axis direction of the inner cylinder main body (1), and the free end of the lower door (3) is provided with a second groove (3.1) which is arranged in parallel to the central axis direction of the inner cylinder main body (1); when the second groove (3.1) of the lower door (3) is embedded in the first groove (2.1) of the upper door (2), the upper door (2) and the lower door (3) are closed; the method is characterized in that: a lock catch structure (4) is arranged in the second groove (3.1) of the lower door (3); the lock catch structure (4) comprises a middle shaft (4.1), a handle plate (4.2), 2 bolt shafts (4.3), 2 first connecting blocks (4.7), 2 second connecting blocks (4.4) and 2 connecting screw rods (4.5); the central axis of the middle shaft (4.1) is vertical to the central axis of the inner cylinder main body (1) and is fixedly connected with the middle part of a second groove (3.1) of the lower door (3); the handle plate (4.2) comprises a connecting plate (4.2.1) and a handle (4.2.2), and the connecting plate (4.2.1) is sleeved on the middle shaft (4.1) in a clearance fit manner through a connecting hole in the middle part; the central axes of the 2 bolt shafts (4.3) are parallel to the central axis of the inner cylinder main body (1), are respectively arranged at two sides of a connecting plate (4.2.1) of the handle plate (4.2), and are respectively supported on a first bush (3.2) on the side wall of a second groove (3.1) of the lower door (3) in a clearance fit manner; connecting screw rods (4.5) are respectively arranged between the connecting plate (4.2.1) of the handle plate (4.2) and the bolt shafts (4.3) at the two sides; at one side of handle board (4.2) connecting plate (4.2.1), connecting screw (4.5) and handle board (4.2) connecting plate (4.2.1) are connected through first connecting block (4.7): the connecting plate (4.2.1) of the handle plate (4.2) is hinged with the first connecting block (4.7) through a first connecting shaft of which the central axis is parallel to the central axis of the middle shaft (4.1), and the first connecting block (4.7) is in threaded connection with the connecting screw rod (4.5); the connecting screw rod (4.5) is connected with the bolt shaft (4.3) through a second connecting block (4.4): the bolt shaft (4.3) is hinged with the second connecting block (4.4) through a second connecting shaft of which the central axis is parallel to the central axis of the middle shaft (4.1), and the second connecting block (4.4) is in threaded connection with the connecting screw rod (4.5); the handle (4.2.2) is arranged at the front end of the connecting plate (4.2.1) of the handle plate (4.2) far away from the central axis of the inner cylinder main body (1); through holes (2.1.1) with central axes parallel to the central axis of the inner cylinder main body (1) are respectively arranged on the side walls of the two sides of the first groove (2.1) of the upper door (2); the side walls of the two sides of the inner cylinder main body (1) are respectively provided with a first positioning hole (1.2) the central axis of which is parallel to the central axis of the inner cylinder main body (1); when the upper door (2) and the lower door (3) are closed, the second groove (3.1) of the lower door (3) is embedded in the first groove (2.1) of the upper door (2), and the end part of the bolt shaft (4.3) can penetrate through the through hole (2.1.1) in the side wall of the first groove (2.1) of the upper door (2) and is inserted into the first positioning hole (1.2) in the side wall of the inner cylinder main body (1); the end part of the handle (4.2.2) is provided with an anti-loosening structure; the anti-loosening structure comprises a handle sleeve (4.8), a first bolt (4.9), a compression spring (4.10) and a handle shaft (4.11); the central axis of the handle sleeve (4.8) is arranged in the plane where the central axes of the 2 bolt shafts (4.3) are located, one end close to the central axis (4.1) is fixedly connected to the end part of the handle (4.2.2), and the first bolt (4.9) is inserted into one end, far away from the central axis (4.1), of the handle sleeve (4.8) in a clearance fit manner; an axial straight groove (4.8.1) parallel to the central axis of the handle sleeve (4.8) is arranged on the handle sleeve (4.8); the handle shaft (4.11) penetrates through the axial straight groove (4.8.1) in the handle sleeve (4.8), one end of the handle shaft is fixedly connected to the side wall of the first bolt (4.9), the other end of the handle shaft extends out of the handle sleeve (4.8), and the handle shaft (4.11) is in clearance fit with the axial straight groove (4.8.1); a compression spring (4.10) is arranged in an inner hole of the handle sleeve (4.8) between the first bolt (4.9) and the end part of the handle (4.2.2); a second positioning hole (3.3) is formed in the side wall of a second groove (3.1) of the lower door (3); when the handle sleeve (4.8) rotates to the position that the central axis of the handle sleeve (4.8) is parallel to the central axis of the inner cylinder main body (1), the end part of the first bolt (4.9) is inserted into a second positioning hole (3.3) on the side wall of a second groove (3.1) of the lower door (3), so that an anti-loose structure is formed.
2. An isolated washing machine drum with anti-loose locking structure as claimed in claim 1, wherein: the handle sleeve (4.8) is provided with a circumferential straight groove (4.8.2) at one end of the axial straight groove (4.8.1) far away from the middle shaft (4.1), the circumferential straight groove (4.8.2) is arranged on one side of the axial straight groove (4.8.1) in the direction opposite to the rotating direction of the inner cylinder main body (1) in the circumferential direction of the handle sleeve (4.8), and the handle shaft (4.11) is in clearance fit with the circumferential straight groove (4.8.2).
3. An isolated washing machine drum with anti-loose locking structure as claimed in claim 1 or 2, characterized in that: the cross sections of the first groove (2.1) of the upper door (2) and the second groove (3.1) of the lower door (3) are V-shaped or semicircular.
4. An isolated washing machine drum with anti-loose locking structure as claimed in claim 3, wherein: the middle shaft (4.1) is provided with a limiting sleeve (4.13) respectively at the upper part and the lower part of the connecting plate (4.2.1) of the handle plate (4.2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921636788.XU CN210712213U (en) | 2019-09-29 | 2019-09-29 | Isolated washing machine inner barrel with anti-loosening lock catch structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921636788.XU CN210712213U (en) | 2019-09-29 | 2019-09-29 | Isolated washing machine inner barrel with anti-loosening lock catch structure |
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| Publication Number | Publication Date |
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| CN210712213U true CN210712213U (en) | 2020-06-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921636788.XU Active CN210712213U (en) | 2019-09-29 | 2019-09-29 | Isolated washing machine inner barrel with anti-loosening lock catch structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110485111A (en) * | 2019-09-29 | 2019-11-22 | 江苏泰锋机械制造有限公司 | Isolated washing machine inner cylinder with locking buckle structure |
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2019
- 2019-09-29 CN CN201921636788.XU patent/CN210712213U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110485111A (en) * | 2019-09-29 | 2019-11-22 | 江苏泰锋机械制造有限公司 | Isolated washing machine inner cylinder with locking buckle structure |
| CN110485111B (en) * | 2019-09-29 | 2024-02-20 | 江苏泰锋机械制造有限公司 | Isolation type washing machine inner cylinder with anti-loose locking structure |
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