CN216232595U

CN216232595U - Dedicated hasp connecting device of passenger train automobile body

Info

Publication number: CN216232595U
Application number: CN202122364529.XU
Authority: CN
Inventors: 朱安定
Original assignee: Suzhou Eagle Electric Vehicle Manufacturing Co Ltd
Current assignee: Suzhou Eagle Electric Vehicle Manufacturing Co Ltd
Priority date: 2021-09-28
Filing date: 2021-09-28
Publication date: 2022-04-08
Anticipated expiration: 2031-09-28

Abstract

The application relates to a special lock catch connecting device for a passenger car body, which comprises car body frameworks, wherein the side surfaces of two adjacent car body frameworks are mutually vertically abutted, and lock catch grooves are formed in the side surfaces of the car body frameworks; the locking block is arranged in the locking groove; the corner fittings are positioned between two adjacent vehicle body frameworks; the connecting piece locks the corner piece and the locking block; the lock catch groove is formed by enclosing two oppositely arranged clamping hooks, each clamping hook comprises an arm portion and a bending portion, the arm portions are oppositely arranged, the bending portions are formed by bending and extending the arm portions towards the other clamping hook, an opening is formed between the two bending portions, each clamping hook is provided with an inner surface, the locking block is provided with a supporting surface which is supported by the inner surface, and a clamping structure which is used for increasing the binding force between the inner surface and the supporting surface is formed between the inner surface and the supporting surface. The car body framework can be detachably connected through the matching of the lock catch groove, the lock block, the corner piece and the connecting piece, and the installation is simple; the clamping structure is arranged between the inner surface and the abutting surface, so that the structural stability of the assembled vehicle body framework is improved.

Description

Dedicated hasp connecting device of passenger train automobile body

Technical Field

The utility model relates to a special lock catch connecting device for a passenger car body, and belongs to the technical field of connection of vehicle frameworks.

Background

The passenger car framework is a basic component of a passenger car and mainly plays a role in bearing, the passenger car framework is formed by splicing a plurality of car body frameworks and is limited by the structure of the passenger car framework, and the car body frameworks need to be connected and combined. The existing mode is that after two vehicle body frameworks are abutted against each other, the vehicle body frameworks are connected and fixed in a welding or threaded fastener connection mode. When the mode is adopted for connection, because the vehicle body frameworks are mutually abutted, the installation process of welding or threaded fasteners is complex, and the operation is inconvenient. When using welding mode fixed, the difficult dismantlement of passenger train skeleton, inconvenient subsequent maintenance, and because automobile body skeleton is hollow structure, when using threaded fastener to connect, intensity is relatively poor, causes the skeleton bulk strength poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a special lock catch connecting device for a passenger car body, which is simple to mount and higher in stability.

In order to achieve the purpose, the utility model provides the following technical scheme: a lock catch connecting device special for a passenger car body comprises car body frameworks, wherein the side surfaces of two adjacent car body frameworks are mutually vertically abutted, and lock catch grooves are formed in the side surfaces of the car body frameworks; the locking block is arranged in the locking groove; the corner fittings are positioned between two adjacent vehicle body frameworks; the connecting piece locks the corner piece and the locking block; the lock catch groove is formed by enclosing two oppositely arranged clamping hooks, each clamping hook comprises an arm portion and a bending portion, the arm portions are oppositely arranged, the bending portions are bent towards the other clamping hook direction and extend to form the bending portions, an opening is formed between the two bending portions, each clamping hook is provided with an inner surface, the locking block is provided with a supporting surface, the supporting surface is supported by the inner surface, and a clamping structure for increasing the binding force between the inner surface and the supporting surface is formed between the inner surface and the supporting surface.

Further, the clamping structure is a ratchet structure.

Furthermore, at least one concave part is formed on one of the inner surface and the abutting surface, and a convex part matched with the concave part is formed on the other.

Further, the inner surface forms an angle of less than 90 ° with the arm portion.

Further, the hook has a first end far away from the arm and a second end close to the arm, and the thickness of the first end is larger than that of the second end.

Further, the thickness from the first end to the second end is gradually increased.

Furthermore, the connecting piece is a fastening piece, the fastening piece penetrates through the opening to connect the locking piece and the corner piece, and mounting holes matched with the fastening piece are respectively formed in the locking piece and the connecting piece.

Further, the corner piece has a protrusion that protrudes into the opening.

Furthermore, the convex part is of a wedge-shaped structure, and two sides of the convex part are abutted against the side wall of the clamping hook.

Furthermore, two side walls of the two opposite hooks are inclined surfaces which are opened outwards.

The utility model has the beneficial effects that: according to the utility model, the lock catch groove is formed in the vehicle body framework, the lock block is arranged in the lock catch groove, the corner fitting abuts against between the two sectional materials, and the corner fitting and the lock block are locked by the connecting piece, so that the vehicle body framework is detachably connected, and the installation is simple; the lock catch groove is formed by enclosing two oppositely arranged clamping hooks, each clamping hook is provided with an inner surface, the locking block is provided with a supporting surface which is supported against the inner surface, and a clamping structure for increasing the binding force between the inner surface and the supporting surface is formed between the inner surface and the supporting surface, so that the overall structure is more stable after the automobile body framework is assembled.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings.

Drawings

Fig. 1 is a schematic connection diagram of a latch connection device dedicated to a passenger car body according to an embodiment of the present invention.

Fig. 2 is a right side connection schematic view of the latch connection device specifically for use with the passenger vehicle body shown in fig. 1.

Fig. 3 is a schematic structural diagram of the connecting member in this embodiment.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.

Referring to fig. 1 to 3, a latch connecting device 10 for a passenger car body according to an embodiment of the present invention includes a car body frame 1, a corner fitting 2, a locking block 3, and a connecting member 4. The side surfaces of two adjacent vehicle body frameworks 1 are mutually vertically propped. The side surface of the vehicle body framework 1 is provided with a lock catch groove 11. The locking piece 3 is arranged in the locking groove 11. The corner fittings 2 are positioned between two adjacent vehicle body frameworks 1. The connecting piece 4 locks the corner piece 2 with the locking piece 3.

In a specific embodiment, the mounting number and the mounting positions of the corner fittings 2 and the locking blocks 3 can be adjusted according to actual requirements, two vehicle body frameworks 1 are connected and fixed through the locking grooves 11, the corner fittings 2, the locking blocks 3 and the connecting pieces 4 in a matched mode, two adjacent vehicle body frameworks 1 which are vertically abutted are detachably connected, two sides of each corner fitting 2 are abutted with the two vehicle body frameworks 1 respectively, so that an interaction force can be generated between each corner fitting 2 and the two vehicle body frameworks 1, and the capacity of the connecting structure for bearing external force is improved; during the assembly, only need to support two automobile body frameworks 1 each other and hold in assigned position, install locking piece 3 in hasp groove 11, make the both sides of corner fittings 2 support with two automobile body frameworks 1 respectively and hold each other, with connecting piece 4 again with corner fittings 2 with locking piece 3 locking can, the installation is simple, improve assembly efficiency. In this embodiment, the locking grooves 11 are formed on two opposite side surfaces of each vehicle body frame 1.

The locking groove 11 is formed by enclosing two oppositely arranged hooks 12, each of the two hooks 12 includes an arm 121 oppositely arranged and a bending portion 122 formed by bending and extending from the arm 121 toward the other hook 12, an opening 123 is provided between the two bending portions 122, the hook 12 has an inner surface (not shown), and the locking block 3 has a supporting surface (not shown) supporting against the inner surface.

And a clamping structure 5 for increasing the binding force between the inner surface and the abutting surface is formed between the inner surface and the abutting surface, so that the binding force between the inner surface and the abutting surface is increased, and the locking block 3 and the clamping hook 12 are more tightly and stably connected. In this embodiment, at least one concave portion (not shown) is formed on one of the inner surface and the abutting surface, and a convex portion (not shown) matching with the concave portion is formed on the other. In this embodiment, the locking structure 5 is a ratchet structure. In practical applications, the fixing structure 5 may be configured in other shapes, specifically, a triangle, a circle or a quadrangle, as long as it is ensured that the fixing structure 5 has at least one groove formed on one of the inner surface and the abutting surface and a protrusion formed on the other of the inner surface and the abutting surface and matching with the groove, which are not listed herein.

The inner surface forms an angle of less than 90 with arm portion 121. In the present embodiment, the hook 12 has a first end (not shown) far from the arm 121 and a second end (not shown) close to the arm, the thickness of the first end is greater than that of the second end, and the thickness of the first end gradually increases from the second end. Therefore, an included angle smaller than 90 ° is formed between the inner surface and the arm portion 121, that is, the inner surface is formed into an inclined surface gradually inclined inward from the second end to the first end, and the abutting surface abuts against the inner surface and is also an inclined surface, so that the bonding force between the inner surface and the abutting surface is further increased. After the assembly is accomplished, when the vehicle operation, automobile body skeleton 1 can produce and rock, makes corner fittings 2 produce outside pulling force, and drives locking piece 3 outwards moves, and at this moment, locking piece 3 can produce outer thrust to trip 12, and is corresponding, and trip 12 can produce reaction force to locking piece 3, prevents locking piece 3 outwards movement slippage, in addition, the internal surface with support the face and be the inclined plane, relative ratio horizontal plane, the inclined plane is stronger to locking piece 3's antiskid.

The connecting piece 4 is a fastening piece, the fastening piece 4 passes through the opening 123 to connect the locking piece 3 and the corner piece 2, and mounting holes (not shown) matched with the fastening piece are respectively formed on the locking piece 3 and the connecting piece 4. In this embodiment, the adopted fastening member 4 is a bolt, and the bolt is a threaded fastening member, so that the installation is convenient, and in practical application, other fastening members may be adopted, which is not an example, as long as the locking block 3 and the corner fitting 2 can be locked.

The side wall (not shown) of the corner fitting 2 abuts against two outer surfaces (not shown) of the two bending portions 122, after the assembly is completed, the bending portions 122 are clamped between the corner fitting 2 and the locking block 3, and when a vehicle runs, an interaction force is generated between the side wall of the corner fitting 2 and the bending portions 122 so as to prevent the hook 12 from being deformed due to stress.

The corner piece 2 has a projection 21 which projects into the opening 123. The convex part 21 is of a wedge-shaped structure, and two sides of the convex part 21 are abutted against the side wall of the clamping hook 12. Further, two side walls of the two opposite hooks 12 are inclined surfaces which are opened outwards. The shape of the lateral wall of trip with the both sides shape phase-match of convex part 21, after the assembly was accomplished, convex part 21 stretches into in the opening 123, the both sides of convex part 21 and the lateral wall of trip 12 support each other and hold, when the vehicle operation, trip 12 can receive pressure to produce deformation, and at this moment, the both sides of convex part 21 and the lateral wall of trip 12 can produce the interact power to further prevent that trip 12 from producing deformation because of receiving pressure, convex part 21 stretches into in the opening 123 simultaneously, has further improved connection structure's steadiness.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. The utility model provides a dedicated hasp connecting device of passenger train automobile body which characterized in that includes:

the side surfaces of two adjacent vehicle body frameworks are mutually vertically abutted, and the side surface of each vehicle body framework is provided with a lock catch groove;

the locking block is arranged in the locking groove;

the corner fittings are positioned between two adjacent vehicle body frameworks; and

the connecting piece locks the corner piece and the locking block;

the lock catch groove is formed by enclosing two oppositely arranged clamping hooks, each clamping hook comprises an arm portion and a bending portion, the arm portions are oppositely arranged, the bending portions are bent towards the other clamping hook direction and extend to form the bending portions, an opening is formed between the two bending portions, each clamping hook is provided with an inner surface, the locking block is provided with a supporting surface, the supporting surface is supported by the inner surface, and a clamping structure for increasing the binding force between the inner surface and the supporting surface is formed between the inner surface and the supporting surface.

2. The special latch connector for passenger car bodies of claim 1, wherein said locking structure is a ratchet structure.

3. A latch attachment device for passenger car bodies according to claim 1 in which at least one recess is formed in one of said inner surface and said abutment surface and a projection is formed on the other of said inner surface and said abutment surface for engaging with said recess.

4. A latch attachment system for passenger vehicle bodies according to claim 1 in which the inner surface forms an angle of less than 90 ° with the arm portion.

5. The latch attachment system for a passenger vehicle body of claim 1, wherein said hook has a first end distal to said arm portion and a second end proximal to said arm portion, said first end having a thickness greater than a thickness of said second end.

6. A passenger vehicle body specific latch attachment according to claim 5, wherein said first end to said second end is of progressively greater thickness.

7. The special latch connecting device for the passenger car body as claimed in claim 1, wherein the connecting member is a fastening member, the fastening member passes through the opening to connect the locking piece and the corner member, and the locking piece and the corner member are respectively provided with mounting holes matched with the fastening member.

8. A latch attachment arrangement for a passenger vehicle body as claimed in claim 1, wherein said corner fitting has a projection extending into said opening.

9. The special-purpose latch connecting device for passenger car bodies according to claim 8, wherein the protrusion is wedge-shaped, and both sides of the protrusion abut against the side walls of the hooks.

10. The special-purpose latch connecting device for passenger car bodies according to claim 9, wherein two opposite side walls of two of said hooks are inclined surfaces which are opened outwards.