CN218293257U - Hinge with limit structure - Google Patents
Hinge with limit structure Download PDFInfo
- Publication number
- CN218293257U CN218293257U CN202222132777.6U CN202222132777U CN218293257U CN 218293257 U CN218293257 U CN 218293257U CN 202222132777 U CN202222132777 U CN 202222132777U CN 218293257 U CN218293257 U CN 218293257U
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- China
- Prior art keywords
- hinge
- rocking arm
- arm
- rocker arm
- cabinet door
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- 230000000670 limiting effect Effects 0.000 claims abstract description 55
- 238000009434 installation Methods 0.000 claims abstract description 14
- 238000013016 damping Methods 0.000 claims description 24
- 239000013013 elastic material Substances 0.000 claims description 3
- 230000006978 adaptation Effects 0.000 claims 1
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 230000003139 buffering effect Effects 0.000 description 9
- 101100327917 Caenorhabditis elegans chup-1 gene Proteins 0.000 description 8
- 238000005299 abrasion Methods 0.000 description 4
- 230000004888 barrier function Effects 0.000 description 3
- 230000001771 impaired effect Effects 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
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Abstract
The hinge comprises a hinge cup installed on a cabinet door, a connecting arm installed on a cabinet body side plate, a rocker arm arranged between the connecting arm and the hinge cup, a first connecting rod and a second connecting rod, wherein the hinge cup and the joint of the cabinet door form a cabinet door installation end face, the joint of the connecting arm and the cabinet body side plate forms a cabinet door side plate installation end face, the rocker arm comprises an outer rocker arm hinged end, an outer rocker arm butt end, an inner rocker arm hinged end and an inner rocker arm butt end, the outer rocker arm hinged end is hinged to the connecting arm through an outer hinge pin, the outer rocker arm butt end is hinged to the hinge cup through the first connecting rod, the inner rocker arm hinged end is hinged to the connecting arm through an inner hinge pin, the inner rocker arm butt end is hinged to the hinge cup through the second connecting rod, a limiting part is arranged between the inner rocker arm butt end and the inner rocker arm butt end, the limiting part is used for changing the distance between the outer rocker arm butt end and the inner rocker arm butt end, and the included angle formed by the cabinet door installation end face and the cabinet door side plate installation end face when the cabinet door is in the maximum opening state.
Description
Technical Field
The utility model relates to a hinge technical field specifically is a hinge with limit structure.
Background
The hinge mainly comprises a hinge cup, a connecting arm and a base, the hinge cup is fixed with the cabinet door, the connecting arm is connected with a side plate of the cabinet body, the hinge cup is hinged with the connecting arm through a rocker arm, and the cabinet door is buffered and closed automatically through the matching of a torsion spring and a damping device. The big angle hinge that is used for making the cabinet door open the angle and surpasss more than 110 degrees has appeared on the market, however the hinge is its open angle relatively fixed when dispatching from the factory, in practical application, because the restriction of installation scene, partial cabinet door open the angle too big make cabinet door and wall body or other barrier collision easily and impaired, the unable adjustment of the open angle of hinge, thereby can not restrict the position that the cabinet door was opened, consequently need a section to have limit structure's hinge to satisfy the demand of different users to the installation of different scene cabinet doors.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned current wide-angle hinge that mentions can not restrict the technical problem that the cabinet door opened the position, the utility model provides a technical scheme that its technical problem adopted is:
the utility model provides a hinge with limit structure, is including installing in the hinge cup of cabinet door, installing in the linking arm of cabinet side board, setting and being in the linking arm with rocking arm between the hinge cup and connecting pin, connecting pin includes first connecting rod, second connecting rod, outer round pin axle and interior round pin axle, the hinge cup forms cabinet door installation terminal surface with cabinet door junction, the linking arm with cabinet side board junction forms cabinet door curb plate installation terminal surface, the rocking arm includes outer rocking arm and interior rocking arm, outer rocking arm is equipped with outer rocking arm hinged end and outer rocking arm butt end, interior rocking arm is equipped with inner rocking arm hinged end and interior rocking arm butt end, outer rocking arm hinged end through outer round pin axle with the linking arm is articulated, outer rocking arm butt end passes through first connecting rod with the hinge cup is articulated, interior rocking arm end is articulated through interior round pin axle on the linking arm, interior rocking arm butt end passes through the second connecting rod with the hinge cup is articulated, outer rocking arm butt end inboard with be equipped with the locating part between the interior rocking arm butt end, the locating part is used for changing outer rocking arm end with distance between the interior butt end is in order to change the cabinet door the biggest open-up the contained angle with the installation terminal surface of cabinet door with the terminal surface is formed.
In order to improve the limiting effect of the limiting part, the limiting part is provided with an elastic extension part protruding towards one side of the abutting end of the inner rocker arm and a fixing part which is used for abutting against the first connecting rod and is in a hook shape.
In order to improve the limiting effect of the limiting part, the limiting part is provided with a positioning part which is abutted against the top of the abutting end of the inner rocker arm, and the positioning part is adapted to the shape of the abutting end of the inner rocker arm.
In order to improve the limiting effect of the limiting part, a limiting groove matched with the first connecting rod is formed between the elastic extending part and the fixing part.
In order to improve the limiting effect of the limiting part, the upper end surface of the limiting part is of a plane structure matched with the inner side shape of the abutting end of the outer rocker arm.
In order to improve the limiting effect of the limiting part, the limiting part is made of elastic materials.
In order to improve the buffering effect of hinge, still including setting up damping device in the linking arm is connected linkage piece between damping device and the interior rocking arm, damping device's one end sets up on the linking arm, damping device's the other end is equipped with the buffer beam, the buffer beam pass through the damping pivot with the linkage piece is connected, the linkage piece through the linkage pivot with the linking arm is connected.
In order to improve the buffering effect of the hinge, the linkage block is provided with a linkage groove, and the inner rocker arm is provided with a connecting rod matched with the linkage groove.
In order to improve the buffering effect of the hinge, a double torsion spring is sleeved on the outer pin shaft, one end of the double torsion spring is abutted to the inner rocker arm, and the other end of the double torsion spring is abutted to the outer rocker arm.
In order to improve the buffering effect of the hinge, the double torsion springs are provided with a middle arched torsion bar which abuts against the inner rocker arm and two side torsion bars which abut against the outer rocker arm, the inner rocker arm is provided with a groove, the groove is provided with a connecting block, and the middle arched torsion bar is arranged on the connecting block.
The utility model has the advantages as follows:
1. the cabinet door is when the biggest open mode, and cabinet door mounted end face and cabinet door curb plate mounted end face can form certain contained angle, the utility model discloses a set up the locating part between outer rocking arm butt end inboard and interior rocking arm butt end, thereby change the distance between outer rocking arm butt end and the interior rocking arm butt end through the difference of locating part thickness, contained angle when leading to the biggest open mode of cabinet door also produces corresponding change to it is too big to make cabinet door and wall body or other barrier collisions and impaired in order to avoid the cabinet door to open the angle according to actual need to change the angle that the cabinet door was opened, the utility model has the advantages of simple structure, spacing effect is practical, can install and satisfy different users' demand according to the applied scene of difference.
2. The utility model discloses a locating part is fixed to be set up between outer rocking arm butt end inboard and interior rocking arm butt end, and its stable in structure, change easily can install the adjustment according to the angle of the biggest open mode of cabinet door.
Drawings
Fig. 1 is a schematic view of a hinge with a limiting structure according to the present invention.
Fig. 2 is an exploded view of the hinge with a limiting structure according to the present invention.
Fig. 3 is a cross-sectional view of the hinge with a limiting structure according to the present invention.
Fig. 4 is a cross-sectional view of the hinge with a position-limiting structure according to the present invention.
Fig. 5 is a schematic view of the limiting member of the present invention.
Fig. 6 is a schematic diagram of the limiting member of the present invention.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1, 2, 3 and 4, the hinge with a limiting structure comprises a hinge cup 1 mounted on a cabinet door, a connecting arm 2 mounted on a side plate of the cabinet body, a rocker arm 3 arranged between the connecting arm 2 and the hinge cup 1, and a connecting shaft pin 6, wherein the connecting shaft pin 6 comprises a first connecting rod 7, a second connecting rod 8, an outer pin 41 and an inner pin 51, a cabinet door mounting end surface 110 is formed at the joint of the hinge cup 1 and the cabinet door, a cabinet door side plate mounting end surface 21 is formed at the joint of the connecting arm 2 and the side plate of the cabinet body, the rocker arm 3 comprises an outer rocker arm 4 and an inner rocker arm 5, the outer rocker arm 4 is provided with an outer rocker arm hinge end 42 and an outer rocker arm abutting end 43, the inner rocker arm 5 is provided with an inner rocker arm hinge end 52 and an inner rocker arm abutting end 53, outer rocking arm hinged end 42 through outer round pin axle 41 with the linking arm 2 is articulated, outer rocking arm butt end 43 passes through first connecting rod 7 with hinge cup 1 is articulated, interior rocking arm hinged end 52 articulates through interior round pin axle 51 on the linking arm 2, interior rocking arm butt end 53 passes through second connecting rod 8 with hinge cup 1 is articulated, outer rocking arm butt end 43 inboard with be equipped with locating part 9 between the interior rocking arm butt end 53, locating part 9 is used for changing outer rocking arm butt end 43 with the distance between the interior rocking arm butt end 53 to change the cabinet door when the biggest open mode cabinet door mount end face 110 with the contained angle that cabinet door curb plate mount end face 21 formed. The cabinet door is when the biggest open mode, and cabinet door mounted end face and cabinet door curb plate mounted end face can form certain contained angle, the utility model discloses a set up the locating part between outer rocking arm butt end inboard and interior rocking arm butt end, thereby change the distance between outer rocking arm butt end and the interior rocking arm butt end through the difference of locating part thickness, contained angle when leading to the biggest open mode of cabinet door also produces corresponding change to it is too big to make cabinet door and wall body or other barrier collisions and impaired in order to avoid the cabinet door to open the angle according to actual need to change the angle that the cabinet door was opened, the utility model has the advantages of simple structure, spacing effect is practical, can install and satisfy different users' demand according to the applied scene of difference.
When the cabinet door is in the maximum opening state, the cabinet door mounting end face and the cabinet door side plate mounting end face can form a certain included angle alpha, furthermore, when the cabinet door opening angle is greater than 90 degrees, the maximum opening angle of the cabinet door is 90 degrees plus the included angle alpha, and when the cabinet door opening angle is less than 90 degrees, the maximum opening angle of the cabinet door is 90 degrees minus the included angle alpha.
As shown in fig. 5 and 6, the limiting member 9 is provided with an elastic extending portion 92 protruding toward the inner rocker arm abutting end 53 side, and a hook-shaped fixing portion 93 for abutting against the first link 7. The hook-shaped fixing part is matched with the first connecting rod in shape, the fixing part abuts against the first connecting rod to limit the limiting part to move towards the rear side, the lower side of the convex elastic extension part abuts against the inner rocker arm abutting end, and the elastic extension part has a certain buffering effect and can enable the limiting part to be tightly connected between the inner side of the outer rocker arm abutting end and the inner rocker arm abutting end.
As shown in fig. 5 and 6, the stopper 9 is provided with a positioning portion 91 that abuts against the top of the inner rocker arm abutting end 53, and the positioning portion 91 is adapted to the shape of the inner rocker arm abutting end 53. Furthermore, the lower end of the elastic extension part is abutted against the upper side of the abutting end of the inner rocker arm, and the positioning part is matched with the upper end of the abutting end of the inner rocker arm in shape, so that the limiting part can be more tightly connected to the upper side of the abutting end of the inner rocker arm.
In the hinge with the position-limiting structure shown in fig. 5 and 6, a position-limiting groove 94 adapted to the first link 7 is formed between the elastic extension portion 92 and the fixing portion 93. The first connecting rod is arranged in the limiting groove, so that the limiting piece reduces deviation displacement and can be relatively and fixedly arranged between the inner side of the abutting end of the outer rocker arm and the abutting end of the inner rocker arm.
As shown in fig. 5 and 6, in the hinge having the limiting structure, the upper end surface of the limiting member 9 is a planar structure adapted to the inner shape of the outer rocker arm abutting end 43. By adopting the design, the upper end surface of the limiting part is matched with the inner side shape of the outer rocker arm abutting end, so that the contact area can be increased, and the upper end surface of the limiting part and the inner side stress of the outer rocker arm abutting end are more uniform.
As shown in fig. 5 and 6, the limiting member 9 is made of an elastic material. The locating part adopts the elastic component, can reduce the wearing and tearing that cause when spacing groove and first connecting rod offset, also can reduce the wearing and tearing that lead to interior rocking arm butt end surface to cause when location portion and interior rocking arm butt end offset, forms certain elastic buffer between outer rocking arm butt end inboard and interior rocking arm butt end, furtherly, can adopt U type round pin to be used for hinge cup and interior rocking arm and the installation of being connected of outer rocking arm, the utility model discloses a locating part stable in structure, change easily, can install the adjustment according to the angle of the biggest open mode of cabinet door.
As shown in fig. 2, fig. 3 and fig. 4, a hinge with limit structure is still including setting up damping device 10 in the linking arm 2 is connected linkage block 11 between damping device 10 and the inner rocker arm 5, the one end of damping device 10 sets up on linking arm 2, the other end of damping device 10 is equipped with buffer beam 101, buffer beam 101 through damping pivot 12 with linkage block 11 is connected, linkage block 11 through linkage pivot 13 with linking arm 2 is connected. Adopt such design, can produce buffering effect when closing the door through damping device, avoid the damage that the impact force caused the cabinet door simultaneously when reducing the noise that produces when closing the door.
As shown in fig. 2, 3 and 4, the linkage block 11 is provided with a linkage groove 111, and the inner rocker arm 5 is provided with a connecting rod 56 adapted to the linkage groove 111. By adopting the design, the connecting rod is matched with the linkage groove, so that the inner rocker arm pushes the linkage block to rotate around the linkage shaft through the connecting rod, and the buffer rod of the damping device is driven to buffer.
As shown in fig. 2, fig. 3 and fig. 4, the hinge with a limiting structure is provided with a double torsion spring 14 on the outer pin 41, one end of the double torsion spring 14 abuts against the inner rocker 5, and the other end of the double torsion spring 14 abuts against the outer rocker 4. When the cabinet door is opened, the inner rocker arm compresses one end of the double torsion springs, and when the cabinet door is closed, the inner rocker arm can reset under the torsion action of the double torsion springs.
As shown in fig. 2, 3 and 4, the double torsion spring 14 has a middle arched torsion bar 141 abutting against the inner rocker arm 5 and two side torsion bars 142 abutting against the outer rocker arm 4, the inner rocker arm 5 is provided with a groove 55, the groove 55 is provided with a connecting block 54, and the middle arched torsion bar 141 is provided on the connecting block 54. The hinge cup drives the inner rocker arm to rotate around the inner pin shaft, the inner rocker arm compresses the double torsion springs through the middle arched torsion bar connected with the connecting block, meanwhile, the inner rocker arm compresses the buffer rod of the damping device through the linkage block, slow opening is achieved, when the cabinet door is closed, the inner rocker arm can reset under the torsion action of the double torsion springs, the buffer rod of the damping device is pulled out through the linkage block by the inner rocker arm, damping buffering effect is achieved, slow closing is achieved, the middle arched torsion bar is abutted to the groove of the inner rocker arm through the connecting block, the connecting block is preferably a plastic piece, and abrasion caused by contact of the middle arched torsion bar and the inner rocker arm can be reduced.
The utility model discloses an embodiment as follows:
when the cabinet door is in the maximum opening state, a certain included angle α may be formed between the cabinet door mounting end surface 110 and the cabinet door side plate mounting end surface 21, the outer rocker arm hinge end 42 is hinged to the connecting arm 2 through the outer pin shaft 41, the outer rocker arm abutting end 43 is hinged to the hinge cup 1 through the first connecting rod 7, the inner rocker arm hinge end 52 is hinged to the connecting arm 2 through the inner pin shaft 51, the inner rocker arm abutting end 53 is hinged to the hinge cup 1 through the second connecting rod 8, the limiting member 9 is disposed between the inner rocker arm abutting end 53 and the inner rocker arm abutting end 43, the distance between the outer rocker arm abutting end 43 and the inner rocker arm abutting end 53 can be changed by replacing the limiting member 9 with different thicknesses, so as to change the angle of the included angle α when the cabinet door is in the maximum opening state, in this embodiment, when the cabinet door opening angle is greater than 90 degrees, the maximum opening angle of the cabinet door is 90 degrees plus the angle of the included angle α, the included angle α is measured to be 12 degrees, and therefore the maximum opening angle of the cabinet door is 102 degrees.
The hook-shaped fixing portion 93 is adapted to the shape of the first link 7, the fixing portion 93 abuts against the first link 7 to limit the movement of the limiting member 9 to the rear side, the lower side of the protruding elastic extending portion 92 abuts against the inner rocker arm abutting end 53, and the elastic extending portion 92 has a certain buffering effect, so that the limiting member 9 can be tightly connected between the inner side of the outer rocker arm abutting end 43 and the inner rocker arm abutting end 53.
Further, the lower end of the elastic extension 92 abuts against the upper side of the inner rocker arm abutting end 53, and the positioning portion 91 is matched with the shape of the upper end of the inner rocker arm abutting end 53, so that the stopper 9 can be more tightly connected to the upper side of the inner rocker arm abutting end 53.
The first link 7 is disposed in the stopper groove 94, so that the stopper 9 is disposed relatively fixedly between the inner side of the outer rocker arm abutment end 43 and the inner rocker arm abutment end 53 while reducing the deviation displacement.
The upper end surface of the limiting piece 9 is adapted to the inner side shape of the outer rocker arm abutting end 43, so that the contact area can be increased, and the upper end surface of the limiting piece 9 and the inner side of the outer rocker arm abutting end 43 are stressed more uniformly.
The limiting piece 9 is an elastic piece, so that the abrasion caused when the limiting groove 94 abuts against the first connecting rod 7 can be reduced, the abrasion caused by the surface of the abutting end 43 of the inner rocker arm when the positioning part 91 abuts against the abutting end 43 of the inner rocker arm can also be reduced, and a certain elastic buffer is formed between the inner side of the abutting end 43 of the outer rocker arm and the abutting end 53 of the inner rocker arm; the utility model discloses a 9 stable in structure of locating part, change easily, can install the adjustment according to the angle of the biggest open mode of cabinet door.
The hinge cup 1 drives the inner rocker arm 5 to rotate around the inner pin shaft 51, the inner rocker arm 5 compresses the double torsion springs 14 through the middle arched torsion bar 141, meanwhile, the inner rocker arm 5 compresses the buffer rod 101 of the damping device 10 through the linkage block 11, when the cabinet door is closed, the inner rocker arm 5 can reset under the torsion action of the double torsion springs 14, at the moment, the inner rocker arm 5 pulls out the buffer rod 101 of the damping device 10 through the linkage block 11, the damping buffering effect is achieved, slow closing is achieved, the middle arched torsion bar 141 abuts against the groove 55 of the inner rocker arm 5 through the connecting block 54, the connecting block 54 adopts plastic parts, and abrasion caused by contact of the middle arched torsion bar 141 and the inner rocker arm 5 can be reduced.
The technical content of the present invention is further described by the embodiments only, so that the reader can understand it more easily, but the embodiments of the present invention are not limited thereto, and any technical extension or re-creation according to the present invention is protected by the present invention. The protection scope of the present invention is subject to the claims.
Claims (10)
1. The utility model provides a hinge with limit structure, is in including installing in hinge cup (1) of cabinet door, installing in linking arm (2) of cabinet body curb plate, setting linking arm (2) with rocking arm (3) between hinge cup (1) and connecting pin (6), connecting pin (6) are including first connecting rod (7), second connecting rod (8), outer round pin axle (41) and interior round pin axle (51), hinge cup (1) and cabinet door junction form cabinet door installation terminal surface (110), linking arm (2) with cabinet body curb plate junction forms cabinet door curb plate installation terminal surface (21), its characterized in that: rocking arm (3) are including outer rocking arm (4) and interior rocking arm (5), outer rocking arm (4) are equipped with outer rocking arm hinged end (42) and outer rocking arm butt end (43), interior rocking arm (5) are equipped with interior rocking arm hinged end (52) and interior rocking arm butt end (53), outer rocking arm hinged end (42) through outer round pin axle (41) with linking arm (2) are articulated, outer rocking arm butt end (43) pass through first connecting rod (7) with hinge cup (1) is articulated, interior rocking arm hinged end (52) articulate through interior round pin axle (51) on linking arm (2), interior rocking arm butt end (53) pass through second connecting rod (8) with hinge cup (1) is articulated, outer butt rocking arm end (43) inboard with be equipped with locating part (9) between interior rocking arm butt end (53), locating part (9) are used for changing outer rocking arm butt end (43) with distance between interior rocking arm butt end (53) to change when the biggest open-state cabinet door installation terminal surface (110) and the terminal surface of cabinet door installation terminal surface (21) the curb plate formation curb plate (21).
2. A hinge with a position limiting structure as claimed in claim 1, wherein: the limiting piece (9) is provided with an elastic extension portion (92) protruding towards one side of the inner rocker arm abutting end (53) and a hook-shaped fixing portion (93) used for abutting against the first connecting rod (7).
3. The hinge with the limiting structure as claimed in claim 1, wherein: the limiting piece (9) is provided with a positioning part (91) which is abutted against the top of the inner rocker arm abutting end (53), and the positioning part (91) is adapted to the shape of the inner rocker arm abutting end (53).
4. A hinge with a position limiting structure as claimed in claim 2, wherein: a limit groove (94) matched with the first connecting rod (7) is formed between the elastic extending part (92) and the fixing part (93).
5. The hinge with the limiting structure as claimed in claim 1, wherein: the upper end face of the limiting piece (9) is of a plane structure matched with the inner side shape of the outer rocker arm abutting end (43).
6. The hinge with the limiting structure as claimed in claim 1, wherein: the limiting piece (9) is made of elastic materials.
7. A hinge with a position limiting structure as claimed in claim 1, wherein: still including setting up damping device (10) in linking arm (2) are connected linkage piece (11) between damping device (10) and interior rocking arm (5), the one end of damping device (10) sets up on linking arm (2), the other end of damping device (10) is equipped with buffer beam (101), buffer beam (101) through damping pivot (12) with linkage piece (11) are connected, linkage piece (11) through linkage pivot (13) with linking arm (2) are connected.
8. A hinge with a limit structure as claimed in claim 7, wherein: linkage piece (11) are equipped with linkage recess (111), interior rocking arm (5) be equipped with connecting rod (56) of linkage recess (111) looks adaptation.
9. A hinge with a position limiting structure as claimed in claim 1, wherein: the outer pin shaft (41) is sleeved with a double torsion spring (14), one end of the double torsion spring (14) is abutted to the inner rocker arm (5), and the other end of the double torsion spring (14) is abutted to the outer rocker arm (4).
10. A hinge with a position limiting structure as claimed in claim 9, wherein: the double torsion springs (14) are provided with a middle arched torsion bar (141) abutted against the inner rocker (5) and two side torsion bars (142) abutted against the outer rocker (4), the inner rocker (5) is provided with a groove (55), the groove (55) is provided with a connecting block (54), and the middle arched torsion bar (141) is arranged on the connecting block (54).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222132777.6U CN218293257U (en) | 2022-08-12 | 2022-08-12 | Hinge with limit structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222132777.6U CN218293257U (en) | 2022-08-12 | 2022-08-12 | Hinge with limit structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218293257U true CN218293257U (en) | 2023-01-13 |
Family
ID=84793346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222132777.6U Active CN218293257U (en) | 2022-08-12 | 2022-08-12 | Hinge with limit structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218293257U (en) |
-
2022
- 2022-08-12 CN CN202222132777.6U patent/CN218293257U/en active Active
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Address after: No. 18 Songde Road, Fusha Town, Zhongshan City, Guangdong Province, 528400 Patentee after: Guangdong Hongshun Hardware Precision Products Co.,Ltd. Address before: No. 12-1, Xinliu West Road, Huangpu town, Zhongshan City, Guangdong Province 528400 Patentee before: ZHONGSHAN HONGSHUN HARDWARE PRECISION PRODUCT CO.,LTD. |