CN115446760A - Clamping assembly and method for clamping assembly equipment - Google Patents
Clamping assembly and method for clamping assembly equipment Download PDFInfo
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- CN115446760A CN115446760A CN202211220106.3A CN202211220106A CN115446760A CN 115446760 A CN115446760 A CN 115446760A CN 202211220106 A CN202211220106 A CN 202211220106A CN 115446760 A CN115446760 A CN 115446760A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
- B25B11/02—Assembly jigs
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Abstract
The invention relates to a clamping assembly which is used for fixedly connecting equipment and a C-shaped groove and is characterized by comprising a buckle and a buckle support, wherein the buckle comprises a movable support and fixed blocks arranged at two ends of the movable support; the buckle support comprises a U-shaped supporting block, the movable support is bent to form an inwards concave U-shaped arc when the buckle is assembled in the C-shaped groove, the U-shaped supporting block is inserted and fixed in the U-shaped arc, and the U-shaped supporting block and the movable support which is integrally U-shaped are in transition fit. The utility model provides a not enough of prior art can effectively be overcome in this application, improves joint stability, satisfies the installation demand of heavy weight equipment simultaneously, and the installation required precision is low, the operation of being convenient for.
Description
Technical Field
The invention relates to the technical field of assembly of rail vehicle components, in particular to a clamping component and a method for clamping assembly equipment of the clamping component.
Background
While the functionality of the vehicle is developed day by day, instruments and other equipment assemblies are assembled by adopting an assembly structure convenient to assemble, so that the assembly efficiency of the vehicle is improved, and along with the rapid development of the rail transit industry in China, the requirements on the assembly efficiency are higher and higher in order to meet the rapid assembly requirements and the convenience of maintenance and repair.
The installation that equipment component was carried out to the form that currently often adopts the joint, easy operation need not to use specialized tool just can accomplish the dismouting of equipment, wherein there are two kinds of schemes as outstanding, and one is metal shrapnel elastic deformation's joint scheme, and another is the joint scheme of barb structure, respectively has the advantage and disadvantage.
Specifically, the clamping scheme using elastic deformation of the metal spring plate generally requires a base as an interface of the metal spring plate, and the metal spring plate is connected with the base. In the installation, metal shrapnel produces elastic deformation, treats the stroke and accomplishes the back, and metal shrapnel no longer receives the restraint of mounting hole, and the shell fragment reconversion to produce certain holding power, realize settling the assembly of part and mounting hole. However, the clamping scheme is restricted by the deformation of the metal elastic sheet, the provided stability is limited, the precision required by the matching of parts is high, and the precision can be ensured by performing accurate die sinking on an interface base of the metal elastic sheet. That is to say, the assembly precision requirement is high and can not be adapted to the strong vibration installation environment.
The clamping scheme adopting the barb structure is that after equipment needing to be installed is matched with an interface, the clamping assembly generates elasticity by utilizing the deformation of the barb structure, and the equipment and the interface are fastened. This clamping solution is limited by the material of the "barb" structure, provides limited stability, and the tangential direction of the contact surface will have clearance, and the equipment will have slight chatter in operation, and is not suitable for assembly with large weight.
Therefore, a new clamping assembly structure is needed to meet the requirements of heavy weight and low precision installation in rail transit vehicles.
Disclosure of Invention
The invention aims to provide a clamping assembly and a method for clamping and assembling equipment by using the same, which can effectively overcome the defects of the prior art, improve the clamping stability, meet the installation requirement of heavy equipment, have low installation precision requirement and are convenient to operate.
In order to achieve the purpose, the invention adopts the technical scheme that:
the invention provides a clamping component which is used for fixedly connecting equipment and a C-shaped groove and is characterized by comprising a buckle and a buckle support, wherein,
the buckle comprises a movable support and fixed blocks arranged at two ends of the movable support, a clamping groove used for clamping the C-shaped groove is formed in the top of each fixed block, and the movable support is made of metal elastic sheets;
the buckle support comprises a U-shaped supporting block, the movable support is bent to form an inwards concave U-shaped arc when the buckle is assembled in the C-shaped groove, the U-shaped supporting block is inserted and fixed in the U-shaped arc, and the U-shaped supporting block and the movable support which is integrally U-shaped are in transition fit.
For the above technical solution, the applicant has further optimization measures.
Optionally, the movable support is divided into two parts which are symmetrical up and down, and the joints of the two parts are connected together through a rotating shaft.
Optionally, the upper end portion and the lower end portion of the movable support are provided with T-shaped inserting strips, T-shaped inserting grooves are formed in the bottoms of the fixing blocks along the length direction, the inserting strips are inserted into the T-shaped inserting grooves, and the movable support and the two fixing blocks are fixed.
Furthermore, the clamping assembly further comprises two auxiliary supporting blocks, a through groove is formed in the movable support, the two auxiliary supporting blocks are fixed in the through groove through pin shafts respectively, the auxiliary supporting blocks are arranged at the upper end and the lower end of the through groove, and the auxiliary supporting blocks are located below the fixing blocks when the buckles are assembled in the C-shaped grooves.
Furthermore, when the buckle is assembled in the C-shaped groove, the U-shaped supporting block is clamped between the upper auxiliary supporting block and the lower auxiliary supporting block, and the U-shaped supporting block and the auxiliary supporting blocks are in transition fit.
Optionally, the device is fixedly connected with the fixing block through a clamping jaw, or the device is directly fixedly connected with the fixing block.
Optionally, the buckle support further comprises a cross support block, the cross support block is fixedly connected with the U-shaped support block, and the claws abut against stepped shoulders on two sides of the cross support block.
Furthermore, a clamping groove or a threaded hole for butting and fixing equipment is formed in the clamping jaw.
Optionally, the outer edge of the clamping groove is provided with a limiting edge along the length direction, and the limiting edge is clamped with the inner side wall of the C-shaped groove.
Particularly, the application also provides a method for clamping the C-shaped groove and the equipment by adopting the clamping assembly, which comprises the following operation steps:
step 1, inserting a fixing buckle;
kneading the two fixed blocks relatively, compressing the movable support, and then extending the movable support into the C-shaped groove;
step 2, fixing the equipment;
releasing the two fixing blocks to enable the movable support to be unfolded, clamping grooves of the two fixing blocks to be clamped with the wall plate of the C-shaped groove, assembling the clamping jaws on the fixing blocks, and fixedly connecting equipment with the clamping jaws;
the U-shaped supporting block supported by the buckle is inserted between the movable supports bent into the U shape, the U-shaped supporting block is attached to the auxiliary supporting block and pushes the auxiliary supporting block towards the direction of the fixing blocks on the two sides, and then the auxiliary supporting block is attached to and pushes the fixing blocks for locking the fixing blocks and the C-shaped groove.
Compared with the prior art, the application has the advantages that:
the utility model provides a joint subassembly can tentatively fix a position C type groove department with the fixed block through the movable support that metal shrapnel supported, and the buckle that reuses supports and carries out further support to the movable support after buckling and fixed block to reliable dead joint subassembly of lock and C type groove satisfy the equipment demand of heavy equipment, and the antidetonation type effect is better. In addition, the clamping assembly is simple in integral structure, when the clamping assembly is used for assembling equipment, the equipment can be disassembled and assembled by using a special tool, and the operation is simple and convenient.
Drawings
Some specific embodiments of the invention will be described in detail hereinafter, by way of illustration and not limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily to scale. In the drawings:
FIG. 1 is a schematic diagram of a clamping assembly according to one embodiment of the present invention;
FIG. 2 is a schematic diagram of the assembly step 1 of the clamping assembly according to one embodiment of the present invention;
FIG. 3 is a schematic diagram of the structure of assembly step 2 of the clamping assembly according to one embodiment of the invention;
figure 4 is a block diagram of assembly step 3 of the clamping assembly according to one embodiment of the invention.
The reference numerals are explained below:
1. the device comprises a buckle, 11, a fixed block, 12, a movable support, 121, an upper movable support, 122, a lower movable support, 123, a rotating shaft, 13, an auxiliary supporting block, 14, a limiting edge, 15, a cutting strip, 16, a clamping groove, 17 and a slot;
2. the clamping device comprises a clamping buckle support, 21U-shaped supporting blocks, 22 clamping jaws for longitudinal support and 23 clamping jaws for transverse support;
3. a C-shaped groove 31 and a wall plate of the C-shaped groove;
4. a device;
5. a claw is provided.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to 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," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Furthermore, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Example 1:
this embodiment describes a clamping assembly for fixing a connecting device 4 with a C-shaped groove 3, which may generally comprise a buckle 1 and a buckle support 2, as shown in fig. 1 to 4, wherein,
buckle 1 includes movable support 12, sets up in the fixed block 11 at movable support 12 both ends, draw-in groove 16 that is used for joint C type groove 3 is offered at the top of fixed block 11, draw-in groove 16 along the length direction of fixed block 11 sets up. The clamping groove 16 can adopt a U-shaped groove which is directly clamped with a wallboard 31 of the C-shaped groove 3, and can also adopt a structure as shown in figure 1, namely the clamping groove 16 adopts an L-shaped groove which is positioned at the top of the fixing block 11, the L-shaped groove directly clamps the wallboard 31 of the C-shaped groove 3 under the elastic support of the movable support 12 at the lower part of the fixing block 11, in order to further prevent the fixing block 11 from being unhooked from the C-shaped groove 3, a limiting edge 14 can be arranged at the outer edge of the clamping groove 16 along the length direction, and the limiting edge 14 is clamped with the inner side wall of the wallboard 31 of the C-shaped groove 3.
Specifically, the movable support 12 is made of a metal elastic sheet, and the movable support 12 is clamped between the two fixed blocks 11 in a U-shaped deformation state after assembly, so that pushing force can be given to the fixed blocks 11 away from the movable support 12, large stress is generated between the fixed blocks 11 and the C-shaped groove 3, and the fixed blocks 11 are fixed at the C-shaped groove 3.
The movable support 12 can be integrally formed by sheet metal, and a crease is transversely formed in the middle of the movable support 12, so that a U-shaped arc can be smoothly formed when the movable support 12 is bent.
The movable support 12 can also be processed into two vertically symmetrical parts, including an upper movable support 121 and a lower movable support 122, the joints of the two parts of the upper movable support 121 and the lower movable support 122 are connected together through a rotating shaft 123, and the upper movable support 121 and the lower movable support 122 can elastically deform by using the rotating shaft 123 as a central axis, so as to form a U-shaped arc finally.
The snap support 2 may generally comprise a U-shaped support block 21, i.e. with an outer edge in the shape of a U. When the buckle 1 is assembled in the C-shaped groove 3, the movable support 12 is bent to form an inwards concave U-shaped arc, the U-shaped support block 21 can be inserted and fixed in the U-shaped arc, and at the moment, the U-shaped support block 21 and the movable support 12 which is integrally U-shaped are in transition fit.
The movable support 12 can be directly welded and fixed with the upper and lower fixing blocks 11 or fixed by other modes such as screws, riveting and the like, and other detachable fixing structures can also be adopted. However, during fixing, the end of the movable support 12 is preferably fixed to the middle or the middle of the bottom surface of the fixed block 11, so that when the movable support 12 is assembled, parts of two ends of the bent movable support 12 are in contact with the bottom surface of the fixed block 11, and the movable support 12 and the fixed block 11 can be pushed after the buckle support 2 is inserted, thereby achieving a better fixing and supporting effect.
In this embodiment, in order to realize the detachable fixation between the movable support 12 and the upper and lower two fixed blocks 11, the upper end portion and the lower end portion of the movable support 12 are provided with the insertion strip 15 in a T shape, the bottom of the fixed block 11 is provided with a T-shaped slot 17 along the length direction, the insertion strip 15 is inserted into the T-shaped slot 17, and is fixed to the movable support 12 and the two fixed blocks 11. The structure facilitates the replacement of the movable support 12, is beneficial to maintenance and replacement, and the movable support 12 and the fixed block 11 can be transported respectively and assembled on site, thereby facilitating transportation and preventing damage and loss in the transportation process.
In order to further improve the pushing acting force between the buckle support 2 and the fixing block 11, the clamping assembly further comprises two auxiliary support blocks 13, a through groove is formed in the movable support 12, the two auxiliary support blocks 13 are fixed in the through groove through pin shafts respectively, the auxiliary support blocks 13 are arranged at the upper end and the lower end of the through groove, and the auxiliary support blocks 13 are located below the fixing block 11 when the buckle 1 is assembled in the C-shaped groove 3. The thickness of the auxiliary supporting block 13 is slightly larger than that of the movable support 12, the auxiliary supporting block 13 can be preferably made of flexible cushion blocks (rubber, silica gel and the like), when the buckle 1 is assembled in the C-shaped groove 3, the U-shaped supporting block 21 is clamped between the upper auxiliary supporting block 13 and the lower auxiliary supporting block 13, and the U-shaped supporting block 21 and the auxiliary supporting blocks 13 are in transition fit.
As for the connection between the device 4 and the clamping assembly, the device 4 or the connecting plate of the device 4 can be directly and fixedly connected with the fixing block 11, for example, by welding, screwing, etc. The equipment 4 or the equipment 4 connecting plate can be fixedly connected with the fixed block 11 through the clamping jaw 5, the clamping jaw 5 and the fixed block 11 can be welded or screwed, the clamping jaw 5 can also be inserted into a groove formed in the fixed block 11 by adopting a plug-in structure as shown in fig. 1, a clamping groove 16 or a threaded hole for butting the fixed equipment 4 is formed in the clamping jaw 5, the equipment 4 or the equipment 4 connecting plate is directly clamped in the clamping groove 16, or a long round hole is formed in the equipment 4, and the equipment 4 and the clamping jaw 5 are fixed in a penetrating mode through screws.
In this embodiment, the claw 5 is further provided with an auxiliary support structure, the buckle support 2 further includes a cross-shaped support block, the cross-shaped support block is fixedly connected with the U-shaped support block 21, and the claw 5 abuts against step-shaped shoulders on two sides of the cross-shaped support block. The structure of the cross-shaped supporting block is that the cross-shaped supporting block is provided with a transverse support 23 and a longitudinal support 22, two clamping claws 5 are respectively arranged on each fixing block 11, the two clamping claws 5 at the upper fixing block 11 are erected on the transverse support 23, the transverse support 23 is clamped between the upper clamping claw 5 and the lower clamping claw 5, the longitudinal support 22 is clamped between the two clamping claws 5 of each fixing block 11, correspondingly, the height of the transverse support 23 is equal to the distance between the upper clamping claw 5 and the lower clamping claw 5, and the length of the longitudinal support 22 is equal to the distance between the left clamping claw 5 and the right clamping claw 5 at the fixing block 11.
Example 2:
the embodiment provides a method for clamping a C-shaped groove 3 and a device 4 by using a clamping assembly, wherein the structure of the clamping assembly is as described in the embodiment, and the method comprises the following operation steps:
step 1, inserting a fixed buckle 1;
as shown in fig. 2, the two fixing blocks 11 are oppositely kneaded to compress the movable support 12, and then the movable support 12 is extended into the C-shaped groove 3, so that the movable support 12 is deformed around the shaft, and the clamping grooves 16 at the ends of the fixing blocks 11 can avoid the end wall plates 31 of the C-shaped groove 3;
step 2, fixing equipment 4;
as shown in fig. 3, the two fixing blocks 11 are released to open the movable support 12, the clamping grooves 16 of the two fixing blocks 11 are clamped with the wall plate 31 of the C-shaped groove 3, the clamping jaws 5 are assembled on the fixing blocks 11, and the equipment 4 is fixedly connected with the clamping jaws 5;
as shown in fig. 4, the U-shaped supporting block 21 of the buckle support 2 is inserted between the movable brackets 12 that have been bent into a U shape, and at the same time, the U-shaped supporting block 21 is attached to the auxiliary supporting block 13 and pushes the auxiliary supporting block 13 toward the fixing blocks 11 on both sides, so that the auxiliary supporting block 13 is attached to and pushes the fixing blocks 11, for locking the fixing blocks 11 and the C-shaped grooves. The buckle supports 2 and the laminating of auxiliary stay piece 13, and auxiliary stay piece 13's outside is realized to the laminating of fixed block 11 and will support thrust effect on fixed block 11, and the joint of this embodiment joint subassembly is fixed to the holding power of increase fixed block 11 and the 31 tip of C type groove 3 wallboard.
To sum up, the joint subassembly of this application can tentatively fix a position C type groove 3 department with fixed block 11 through movable support 12 that metal shrapnel supported, reuses the buckle and supports 2 and carry out further support to movable support 12 after buckling and fixed block 11 to reliable dead joint subassembly of lock and C type groove 3 satisfy the equipment demand of heavy equipment 4, and the antidetonation type effect is better. In addition, overall structure is simple, and when using this joint subassembly to carry out the assembly of equipment 4, need use specialized tool just can accomplish the dismouting of equipment 4, and easy operation is convenient.
The above embodiments are merely illustrative of the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the content of the present invention and implement the invention, and not to limit the scope of the invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the scope of the present invention.
Claims (10)
1. A clamping component is used for fixedly connecting equipment and a C-shaped groove and is characterized by comprising a buckle and a buckle support, wherein,
the buckle comprises a movable support and fixed blocks arranged at two ends of the movable support, a clamping groove used for clamping the C-shaped groove is formed in the top of each fixed block, and the movable support is made of metal elastic sheets;
the buckle support comprises a U-shaped supporting block, the movable support is bent to form an inwards concave U-shaped arc when the buckle is assembled in the C-shaped groove, the U-shaped supporting block is inserted and fixed in the U-shaped arc, and the U-shaped supporting block and the movable support which is integrally U-shaped are in transition fit.
2. The clip assembly of claim 1 wherein the movable bracket is divided into two parts that are symmetrical up and down, the joints of the two parts being connected together by a pivot.
3. The clamping assembly of claim 1, wherein the upper end portion and the lower end portion of the movable support are provided with T-shaped inserting strips, T-shaped inserting grooves are formed in the bottoms of the fixing blocks along the length direction, the inserting strips are inserted into the T-shaped inserting grooves, and the movable support and the two fixing blocks are fixed.
4. The clamping assembly of any one of claims 1 to 3 further comprising two auxiliary support blocks, wherein a through groove is formed in the movable support, the two auxiliary support blocks are fixed in the through groove through pin shafts respectively, the auxiliary support blocks are arranged at the upper end and the lower end of the through groove, and the auxiliary support blocks are located below the fixing block when the clamping buckle is assembled in the C-shaped groove.
5. The card assembly of claim 4, wherein the U-shaped support block is clamped between the upper and lower auxiliary support blocks when the buckle is assembled in the C-shaped groove, and the U-shaped support block and the auxiliary support blocks are in transition fit.
6. The card assembly of claim 1, wherein the device is fixedly connected to the fixed block by a jaw, or the device is directly fixedly connected to the fixed block.
7. The card assembly of claim 6, wherein the snap support further comprises a cross support block fixedly attached to the U-shaped support block, the pawl riding on stepped shoulders on either side of the cross support block.
8. The clamping assembly of claim 6 or 7, wherein the jaw defines a slot or a threaded hole for engaging a fixture.
9. The clamping assembly of claim 1 wherein the outer edge of the clamping groove is provided with a limiting edge along the length direction, and the limiting edge is clamped with the inner side wall of the C-shaped groove.
10. A method of clamping an assembly device to a C-channel using a clamping assembly according to any of claims 1 to 9, comprising the following operating steps:
step 1, inserting a fixing buckle;
oppositely kneading the two fixed blocks, compressing the movable support, and then extending the movable support into the C-shaped groove;
step 2, fixing the equipment;
releasing the two fixed blocks to enable the movable support to be opened, clamping grooves of the two fixed blocks to be clamped with the wall plate of the C-shaped groove, assembling the clamping jaws on the fixed blocks, and fixedly connecting equipment with the clamping jaws;
step 3, inserting a buckle support;
the U-shaped supporting block supported by the buckle is inserted between the movable supports bent into the U shape, the U-shaped supporting block is attached to the auxiliary supporting block and pushes the auxiliary supporting block towards the direction of the fixing blocks on the two sides, and then the auxiliary supporting block is attached to and pushes the fixing blocks for locking the fixing blocks and the C-shaped groove.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211220106.3A CN115446760A (en) | 2022-10-08 | 2022-10-08 | Clamping assembly and method for clamping assembly equipment |
| PCT/CN2023/123255 WO2024074138A1 (en) | 2022-10-08 | 2023-10-07 | Snap-fit assembly and method thereof for snap-fit with assembly apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211220106.3A CN115446760A (en) | 2022-10-08 | 2022-10-08 | Clamping assembly and method for clamping assembly equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115446760A true CN115446760A (en) | 2022-12-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211220106.3A Pending CN115446760A (en) | 2022-10-08 | 2022-10-08 | Clamping assembly and method for clamping assembly equipment |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN115446760A (en) |
| WO (1) | WO2024074138A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024074138A1 (en) * | 2022-10-08 | 2024-04-11 | 中车南京浦镇车辆有限公司 | Snap-fit assembly and method thereof for snap-fit with assembly apparatus |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5717400B2 (en) * | 2010-11-02 | 2015-05-13 | 株式会社ニフコ | Grommet |
| CN107989027B (en) * | 2017-11-28 | 2023-07-18 | 浙江亚磊型钢冷拔有限公司 | Profile steel positioning device |
| CN212615740U (en) * | 2018-10-24 | 2021-02-26 | 锦铝智能科技(上海)有限公司 | Aluminum profile connecting piece |
| US20220216823A1 (en) * | 2021-01-06 | 2022-07-07 | Chen Lu Wang | Fixed structure of solar panels and c-shaped steel |
| CN216343269U (en) * | 2021-08-03 | 2022-04-19 | 江苏科曜能源科技有限公司 | Buckle structure |
| CN216921134U (en) * | 2022-01-11 | 2022-07-08 | 河源市美嘉美科技有限公司 | Buckling connection structure |
| CN217356223U (en) * | 2022-02-22 | 2022-09-02 | 杭州罗莱迪思科技股份有限公司 | C-shaped groove light bracket base |
| CN115446760A (en) * | 2022-10-08 | 2022-12-09 | 中车南京浦镇车辆有限公司 | Clamping assembly and method for clamping assembly equipment |
-
2022
- 2022-10-08 CN CN202211220106.3A patent/CN115446760A/en active Pending
-
2023
- 2023-10-07 WO PCT/CN2023/123255 patent/WO2024074138A1/en unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024074138A1 (en) * | 2022-10-08 | 2024-04-11 | 中车南京浦镇车辆有限公司 | Snap-fit assembly and method thereof for snap-fit with assembly apparatus |
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| Publication number | Publication date |
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| WO2024074138A1 (en) | 2024-04-11 |
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