Trailer connector mounting structure

By using limiting components and loss prevention components in the trailer connector, the loosening and cracking problems caused by excessive bolt stress in the prior art are solved, the connection strength is improved, and safety is ensured.

CN222845124UActive Publication Date: 2025-05-09SHANDONG JINNIU AUTOMOBILE CO LTD
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Patent Information

Application Number
CN202421993293.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-16
Publication Date
2025-05-09
Estimated Expiration
2034-08-16

AI Technical Summary

Technical Problem

The existing trailer connectors are connected by bolts. Vibration occurs in the vehicle's driving, causing excessive bolt stress, which may cause the bolt to loosen or crack, increasing the risk of relative movement between the trailer and the trailer, and even causing safety accidents.

Method used

A trailer connector installation structure is designed, using limiting components and loss-proof components. The limiting assembly is connected to the ball cover body and the connecting frame to provide upper and lower limits of the bolts to prevent loosening. The anti-loss component increases the strength at the bolt connection through the T-shaped rubber block and spring, absorbs the energy generated by vibration.

Benefits of technology

It effectively avoids safety accidents caused by loose bolts, increases the connection strength of the trailer connector, and reduces the probability of cracking at the connection caused by excessive stress.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a trailer connector mounting structure which comprises a connecting frame and a connecting rod. The connector ball cover comprises a ball cover body and a mounting hole; the limiting assembly comprises a limiting frame, an opening, an open groove, a first fixing block, a telescopic clamping block, a second fixing block and a first through hole; one end of the ball cover body is sleeved with the limiting frame, the opening is formed in the lower end of the limiting frame, the open groove is formed in one end of the limiting frame, the first fixing block is welded to one end of the limiting frame, the telescopic clamping block is movably connected to the side edge of the first fixing block, the second fixing block is fixed to the side edge of the ball cover body, and the first through hole is formed in the middle of the second fixing block. The problems that an existing ball cover is connected to a support of a trailer chassis through a bolt, vibration is generated when a vehicle runs, meanwhile, the bolt is loosened and even cracked due to excessive stress borne by the bolt connecting position, the risk of relative movement between a trailer and a trailer in the running process is increased, and even safety accidents are caused are solved.
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Description

Technical Field

[0001] The utility model relates to the technical field of trailer connectors, in particular to a trailer connector installation structure. Background Art

[0002] A trailer connector, commonly known as a "traction seat" or "connection plate", is a key component used to connect a trailer (trailer, semi-trailer) and a tractor (such as a truck head). An existing trailer connector is a snap-on connection between a ball cover and a ball head, where the ball cover is connected to the trailer chassis and the ball head is connected to the trailer chassis.

[0003] The existing ball cover is connected to the bracket of the trailer chassis by bolts. The vehicle generates vibration during driving, and the bolt connection is subjected to excessive stress, which may cause the bolts to loosen or even crack, thereby increasing the risk of relative movement between the trailer and the towed vehicle during driving, and even causing safety accidents. Therefore, it is necessary to provide a trailer connector installation structure to solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to provide a trailer connector installation structure to solve the problem raised in the above-mentioned background technology that the existing ball cover is connected to the bracket of the trailer chassis by bolts, the vehicle generates vibration during driving, and the bolt connection is subjected to excessive stress, which may cause the bolts to loosen or even crack, thereby increasing the risk of relative movement between the trailer and the towed vehicle during driving, and even causing safety accidents.

[0005] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0006] The utility model is a trailer connector installation structure, comprising:

[0007] Connecting frame;

[0008] A connector ball cover, the connector ball cover comprising a ball cover body and a mounting hole;

[0009] There are two mounting holes, which are provided at one end of the ball cover body;

[0010] A limiting assembly, the limiting assembly comprising a limiting frame, an opening, a slot, a first fixing block, a telescopic card block, a second fixing block and a first through hole;

[0011] The limit frame is sleeved on one end of the ball cover body, the opening is arranged in the middle of the lower end of the limit frame, the slots are arranged on both sides of one end of the limit frame, the first fixed block is welded on one end of the limit frame and is located outside the slot, the telescopic card block is movably connected to the side of the first fixed block, the second fixed block is fixed on the side of the ball cover body, and the first through hole is arranged in the middle of the second fixed block.

[0012] Furthermore, the first fixing block is movably connected in the first through hole, and the telescopic clamping block is movably connected in the first through hole and a side edge of the second fixing block.

[0013] Furthermore, a same mounting hole is formed at one end of the connecting frame, and the position of the mounting hole corresponds to that on the ball cover body.

[0014] Furthermore, the connector ball cover also includes bolts, and the bolts sequentially penetrate the mounting holes on the ball cover body and the connecting frame.

[0015] Further, it also includes a damage prevention component;

[0016] The anti-damage component includes a T-shaped rubber block and a second through hole;

[0017] The T-shaped rubber block is plugged into one end of the connecting frame, and the second through hole is formed on the T-shaped rubber block, and the position of the second through hole corresponds to the mounting hole.

[0018] Furthermore, the anti-damage assembly also includes a T-shaped sleeve and a spring;

[0019] The T-shaped sleeve is sleeved on the bolt and inserted into the mounting hole at the same time; the spring is sleeved on the outside of the T-shaped sleeve and is located in the second through hole.

[0020] Compared with the prior art, the advantages of the present invention are:

[0021] 1. The utility model provides a limit assembly. Before installation, the limit frame is first sleeved on the connecting frame, the ball cover body is fixed to the connecting frame by bolts, the limit frame is moved to make the slot fit on the second fixing block, the first fixing block is inserted into the first through hole, the telescopic block is engaged with the side of the second fixing block, at this time, the limit frame covers the bolt, and the opening is engaged with the outer side of the nut at the lower end of the bolt. This arrangement can, on the one hand, limit the upper and lower ends of the bolt to avoid safety accidents caused by loose bolts, and on the other hand, the limit frame wrapped around the outer side of the ball cover body can increase its connection strength.

[0022] 2. The utility model provides an anti-damage component, wherein the spring is placed in the second through hole, a T-shaped rubber block is inserted into one end of the connecting frame, and then the T-shaped sleeve is inserted into the mounting hole and the second through hole in sequence, and finally the bolt is inserted and tightened. This arrangement can increase the strength of the bolted joint and reduce the probability of cracking of the joint due to excessive stress. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0024] Figure 1 It is a schematic diagram of the overall structure of the utility model from a first perspective;

[0025] Figure 2 It is a schematic diagram of the overall structure of the utility model from a second viewing angle;

[0026] Figure 3 This is a schematic diagram of the position of the anti-damage component of the utility model;

[0027] Figure 4 This is a schematic diagram of the structure of the limit assembly of the utility model;

[0028] Figure 5 This is a schematic diagram of the structure of the anti-damage component of the utility model;

[0029] Figure 6 This is a schematic diagram of the T-shaped sleeve and spring structure of the utility model.

[0030] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0031] 10. Connecting frame; 20. Ball cover body; 21. Mounting hole; 22. Bolt; 30. Limiting frame; 31. Opening; 32. Slot; 33. First fixing block; 34. Telescopic block; 35. Second fixing block; 36. First through hole; 40. T-shaped rubber block; 41. Second through hole; 42. T-shaped sleeve; 43. Spring. DETAILED DESCRIPTION

[0032] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below with reference to the accompanying drawings.

[0033] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific implementation methods disclosed below.

[0034] In order to make the purpose, technical solution and advantages of the present invention more clear, the implementation mode of the present invention will be further described in detail below with reference to the accompanying drawings.

[0035] See also Figure 1-4 As shown, this embodiment is a trailer connector mounting structure, comprising:

[0036] Connecting frame 10;

[0037] The connecting frame 10 plays a supporting and connecting role;

[0038] The connector ball cover comprises a ball cover body 20 and a mounting hole 21;

[0039] There are two mounting holes 21, which are provided at one end of the ball cover body 20;

[0040] The ball cover body 20 is used to connect the ball head, and the mounting hole 21 is used to connect the bolt 22;

[0041] The limiting assembly includes a limiting frame 30, an opening 31, a slot 32, a first fixing block 33, a telescopic card block 34, a second fixing block 35 and a first through hole 36;

[0042] The limiting frame 30 is sleeved on one end of the ball cover body 20, the opening 31 is provided in the middle of the lower end of the limiting frame 30, the slots 32 are provided on both sides of one end of the limiting frame 30, the first fixing block 33 is welded on one end of the limiting frame 30 and is located outside the slot 32, the telescopic block 34 is movably connected to the side of the first fixing block 33, the second fixing block 35 is fixed to the side of the ball cover body 20, and the first through hole 36 is provided in the middle of the second fixing block 35;

[0043] The limit frame 30 has a limiting function, the opening 31 provides a position for the bolt 22, the slot 32 has a connecting and limiting function, the first fixing block 33 has a supporting function, the telescopic clamping block 34 has a limiting function, the second fixing block 35 has a connecting function, and the first through hole 36 has a connecting and limiting function;

[0044] The first fixing block 33 is movably connected in the first through hole 36 , and the telescopic block 34 is movably connected in the first through hole 36 and the side of the second fixing block 35 ;

[0045] The same mounting hole 21 is opened at one end of the connecting frame 10, and the position of the mounting hole 21 on the ball cover body 20 corresponds;

[0046] The connector ball cover also includes a bolt 22, and the bolt 22 passes through the mounting holes 21 on the ball cover body 20 and the connecting frame 10 in sequence;

[0047] The bolts 22 serve for connection.

[0048] Working principle:

[0049] Before installation, the limit frame 30 is first sleeved on the connecting frame 10, and the ball cover body 20 is fixed to the connecting frame 10 by bolts 22. The limit frame 30 is moved so that the slot 32 fits on the second fixing block 35, the first fixing block 33 is inserted into the first through hole 36, and the telescopic block 34 is engaged with the side of the second fixing block 35. At this time, the limit frame 30 covers the bolt 22, and the opening 31 is engaged with the outside of the nut at the lower end of the bolt 22.

[0050] This step can, on the one hand, limit the upper and lower ends of the bolt 22 to avoid safety accidents caused by loosening of the bolt 22, and on the other hand, the limit frame 30 wrapped around the outside of the ball cover body 20 can increase its connection strength.

[0051] See also Figure 5-6 This embodiment is based on the above embodiment and further includes:

[0052] An anti-damage component, the anti-damage component includes a T-shaped rubber block 40 and a second through hole 41;

[0053] The T-shaped rubber block 40 is plugged into one end of the connecting frame 10, and the second through hole 41 is formed on the T-shaped rubber block 40, and the position thereof corresponds to the mounting hole 21;

[0054] The T-shaped rubber block 40 has a shock-absorbing effect, and the second through hole 41 facilitates the connection of the bolt 22;

[0055] The anti-damage assembly also includes a T-shaped sleeve 42 and a spring 43;

[0056] The T-shaped sleeve 42 is sleeved on the bolt 22 and inserted into the mounting hole 21. The spring 43 is sleeved on the outside of the T-shaped sleeve 42 and is located in the second through hole 41.

[0057] The T-shaped sleeve 42 is made of rubber and has a shock-absorbing effect, and the spring 43 can absorb the energy generated by vibration.

[0058] Working principle:

[0059] The spring 43 is placed in the second through hole 41 , the T-shaped rubber block 40 is inserted into one end of the connecting frame 10 , and the T-shaped sleeve 42 is inserted into the mounting hole 21 and the second through hole 41 in sequence, and finally the bolt 22 is inserted and tightened.

[0060] This step can increase the strength of the connection of the bolt 22 and reduce the probability of cracking of the connection due to excessive stress.

[0061] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0062] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A trailer connector mounting structure, characterized in that: include: Connecting frame (10); A connector ball cover, the connector ball cover comprising a ball cover body (20) and a mounting hole (21); There are two mounting holes (21) in total, which are opened at one end of the ball cover body (20); A limiting assembly, the limiting assembly comprising a limiting frame (30), an opening (31), a slot (32), a first fixing block (33), a telescopic card block (34), a second fixing block (35) and a first through hole (36); The limit frame (30) is sleeved on one end of the ball cover body (20), the opening (31) is arranged in the middle of the lower end of the limit frame (30), the slots (32) are arranged on both sides of one end of the limit frame (30), the first fixing block (33) is welded on one end of the limit frame (30) and is located outside the slot (32), the telescopic clamping block (34) is movably connected to the side of the first fixing block (33), the second fixing block (35) is fixed on the side of the ball cover body (20), and the first through hole (36) is arranged in the middle of the second fixing block (35).

2. A trailer connector mounting structure according to claim 1, characterized in that: The first fixing block (33) is movably connected in the first through hole (36), and the telescopic clamping block (34) is movably connected in the first through hole (36) and the side of the second fixing block (35).

3. The trailer connector mounting structure according to claim 1, characterized in that: One end of the connecting frame (10) is provided with a same mounting hole (21), and the position of the mounting hole (21) on the ball cover body (20) corresponds to that of the mounting hole (21).

4. The trailer connector mounting structure according to claim 1, characterized in that: The connector ball cover also includes a bolt (22), and the bolt (22) passes through the mounting holes (21) on the ball cover body (20) and the connecting frame (10) in sequence.

5. The trailer connector mounting structure according to claim 1, characterized in that: Also included are loss prevention components; The anti-damage component comprises a T-shaped rubber block (40) and a second through hole (41); The T-shaped rubber block (40) is plugged into one end of the connecting frame (10), and the second through hole (41) is formed on the T-shaped rubber block (40) and its position corresponds to the mounting hole (21).

6. A trailer connector mounting structure according to claim 5, characterized in that: The anti-damage assembly further comprises a T-shaped sleeve (42) and a spring (43); The T-shaped sleeve (42) is sleeved on the bolt (22) and inserted into the mounting hole (21). The spring (43) is sleeved on the outside of the T-shaped sleeve (42) and is located in the second through hole (41).