Quick connection end piece

Abstract

The utility model discloses a quick connection end piece which comprises a spring piece and an end piece body, a locking hole penetrating through the thickness of the end piece body is formed in the end piece body, the aperture of the locking hole is decreased in the length direction of the end piece body, the spring piece body is located above the locking hole, one end of the spring piece body is fixed to the end piece body, and the other end of the spring piece body is fixed to the end piece body. One end of the spring piece is a fixed end, the other end of the spring piece is a movable end, the fixed end of the spring piece is arranged close to the large-end hole position of the locking hole, the movable end of the spring piece is arranged close to the small-end hole position of the locking hole, a limiting plate is arranged on the side, facing the end piece, of the movable end of the spring piece, and the limiting plate extends towards the small-end hole position of the locking hole. According to the quick connection end piece, the number of parts is reduced, the material cost is reduced, quick connection of the automobile safety belt can be achieved, the working efficiency of loading of a main engine plant is improved, and meanwhile the firmness and safety of connection are guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile, concretely relates to a quick connection end piece. BACKGROUND

[0002] The automobile safety belt is a device for protecting the safety of the passengers in the car, which is usually composed of a belt, a retractor, a lock tongue and other components.

[0003] The traditional safety belt connection mode is mainly bolted end piece connection, which needs to align the bolt with the hole position and tighten one by one, and the operation is relatively complex, the installation time is consumed, the working hours of the host factory are increased, and the efficiency of automobile production is reduced. UTILITY MODEL CONTENT

[0004] Therefore, the utility model provides a quick connection end piece to solve the above problems.

[0005] In order to achieve the above purpose, the utility model provides the following technical scheme:

[0006] A quick connection end piece, comprising a spring piece and an end piece, a locking hole penetrating the thickness of the end piece is formed in the end piece, the hole diameter of the locking hole changes from large to small along the length direction of the end piece, the spring piece is located above the locking hole, one end of the spring piece is fixed on the end piece, the other end is a movable end, the fixed end of the spring piece is arranged close to the large end hole position of the locking hole, the movable end of the spring piece is arranged close to the small end hole position of the locking hole, a limiting plate is arranged on the side of the movable end of the spring piece facing the end piece, and the limiting plate extends towards the small end hole position of the locking hole.

[0007] Further, it further comprises a fixing piece, and the fixed end of the spring piece is connected with the end piece through the fixing piece.

[0008] Further, the fixing piece is a rivet or a screw.

[0009] Further, a stretching hole is formed in the end of the end piece close to the fixed end of the spring piece.

[0010] Further, a first mounting hole is formed in the fixed end of the spring piece, a second mounting hole adapted to the first mounting hole is formed in the end piece, and the fixing piece is sequentially arranged in the first mounting hole and the second mounting hole to fix the spring piece on the end piece.

[0011] Further, a baffle is arranged on the side of the movable end of the spring piece away from the end piece, and the baffle is arranged at the end of the movable end of the spring piece.

[0012] Further, the fixed end of the spring sheet is provided with a second through hole for allowing the rivet to pass through.

[0013] Further, the locking hole comprises a first hole position and a second hole position, the first hole position is a large-end hole position, the second hole position is a small-end hole position, and the first hole position and the second hole position are communicated to form a gourd-shaped hole.

[0014] Further, the size of the first hole position is greater than or equal to the size of the head of the rivet, the size of the second hole position is less than the size of the head of the rivet and greater than or equal to the size of the shank of the rivet.

[0015] Further, the material of the fixed member is cold-rolled steel, the material of the spring sheet is stainless steel, and the material of the end sheet is high-strength low-alloy.

[0016] The utility model has the advantages of the following:

[0017] When the quick-connection end sheet is connected, the end sheet is close to the rivet, the large-end hole position of the locking hole is aligned with the head of the rivet and is sleeved, then the end sheet is pulled to move to one side of the stretching hole of the end sheet, in this process, the rivet is fixed, the head of the rivet is relatively displaced with the end sheet, the rivet is relatively slid from the large-end hole position of the locking hole to the small-end hole position, at the same time, the rivet will extrude the movable end of the spring sheet to lift up; when the rivet reaches the small-end hole position of the locking hole, because the locking hole is gradually reduced along the length direction of the end sheet, the head of the rivet cannot exit from the small-end hole position along the axial direction of the rivet, and the movable end of the spring sheet is pressed and abuts with the head of the rivet under the elastic action of the spring sheet, so that the axial (defined as Z direction) locking of the quick-connection end sheet and the rivet is completed; the limiting plate of the movable end of the spring sheet is clamped in the side wall of the rivet, the other three sides of the rivet are limited by the hole wall of the locking hole, so that the remaining two directions (defined as X direction and Y direction) locking of the quick-connection end sheet and the rivet is completed; thus, the quick connection of the quick-connection end sheet and the rivet is realized, the installation efficiency is improved, and the reliability of the connection is ensured.

[0018] The above summary is intended to illustrate only and is not intended to be limiting in any way. Further aspects, implementations and features of the application will be apparent from the drawings and the following detailed description. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced below. Obviously, the drawings in the following description are only exemplary, and for those skilled in the art, other implementation drawings can be obtained from the provided drawings without creating labor.

[0020] The structure, proportion, size, etc. shown in the specification are only used to cooperate with the content disclosed in the specification, to be understood and read by those skilled in the art, and are not used to limit the implementation conditions of the utility model, so they do not have technical substantive significance. Any modification of structure, change of proportion relationship or adjustment of size, without affecting the effects and purposes that can be achieved by the utility model, should still fall within the scope covered by the disclosed technical content.

[0021] Figure 1 An explosive structure schematic diagram of a quick-connection end piece provided by the utility model embodiment is shown in the figure.

[0022] Figure 2 A front view structure schematic diagram of a spring piece of a quick-connection end piece provided by the utility model embodiment is shown in the figure.

[0023] Figure 3 A side view structure schematic diagram of a spring piece of a quick-connection end piece provided by the utility model embodiment is shown in the figure.

[0024] Figure 4 A front view structure schematic diagram of an end piece of a quick-connection end piece provided by the utility model embodiment is shown in the figure.

[0025] Figure 5 A structure schematic diagram of a quick-connection end piece provided by the utility model embodiment is shown in the figure.

[0026] In the figure: 1, fixed part; 2, spring piece; 21, first through hole; 22, second through hole; 23, limiting plate; 24, baffle; 25, first mounting hole; 3, end piece; 32, stretching hole; 33, second mounting hole; 31, locking hole; 311, first hole position; 312, second hole position; 4, rivet. DETAILED DESCRIPTION

[0027] In the following, only certain exemplary embodiments are simply described. As those skilled in the art can recognize, the described embodiments can be modified in various different ways without departing from the spirit or scope of the present application. Therefore, the drawings and description are considered to be exemplary rather than limiting.

[0028] Embodiment 1

[0029] As Figures 1 to 5As shown, a quick-connect end piece provided in Example 1 is mainly used in car seat belts, and can also be used for quick connections at locations such as car seats and rivets at the lower end of the B-pillar of the car body. A quick-connect end piece includes a spring piece 2 and an end piece 3. A locking hole 31 is provided on the end piece 3, which passes through the thickness of the end piece 3. The aperture of the locking hole 31 decreases from large to small along the length direction of the end piece. The spring piece 2 is located above the locking hole 31. One end of the spring piece 2 is fixed to the end piece 3, and the other end is a movable end. The fixed end of the spring piece 2 is arranged near the large end hole position of the locking hole 31, and the movable end of the spring piece 2 is arranged near the small end hole position of the locking hole 31. A limit plate 23 is provided on the side of the movable end of the spring piece 2 facing the end piece 3, and the limit plate 23 extends toward the small end hole position of the locking hole 31. Exemplarily, the locking hole 31 includes a first hole position 311 and a second hole position 312 , wherein the first hole position 311 is a large-end hole position and the second hole position 312 is a small-end hole position, and the first hole position 311 and the second hole position 312 are connected to form a key-shaped hole.

[0030] When connecting, the end piece 3 approaches the rivet 4, the large end hole position of the locking hole 31 is aligned with the head of the rivet 4 and inserted, and then the end piece 3 is pulled to move the end piece 3 to the side of its stretching hole 32. During this process, the rivet 4 is fixed, and the head of the rivet 4 and the end piece 3 produce relative displacement, and the rivet 4 slides relatively from the large end hole position of the locking hole 31 to the small end hole position. At the same time, the rivet 4 will squeeze the movable end of the spring piece 2 and lift it upward; when the rivet 4 reaches the small end hole position of the locking hole, since the locking hole 31 changes from large to small along the length direction of the end piece, the head of the rivet 4 cannot move out The small end hole is withdrawn along the axis direction of the rivet 4, and under the action of its own elasticity, the movable end of the spring piece 2 is pressed and abutted against the head of the rivet 4, thereby completing the axial (defined as Z direction) locking of the quick-connect end piece and the rivet 4; the limiting plate 23 at the movable end of the spring piece 2 will be stuck on the side wall of the rivet 4, and the other three sides of the rivet 4 are limited by the hole wall of the locking hole 31, thereby completing the remaining two directions (defined as X direction and Y direction) locking of the quick-connect end piece and the rivet 4; at this point, a quick connection between the quick-connect end piece and the rivet 4 is achieved, the installation efficiency is improved, and the reliability of the connection is guaranteed.

[0031] Example 2

[0032] like Figure 1 As shown, the quick-connect end piece provided in Example 2 is an improvement on Example 1. Similarities are not repeated here. The difference lies in the inclusion of a fixing member 1, through which the fixed end of the spring piece 2 is connected to the end piece 3. The fixing member 1 is a rivet or a screw. A first mounting hole 25 is defined at the fixed end of the spring piece 2, and a second mounting hole 33 is defined on the end piece 3 that matches the first mounting hole 25. The fixing member 1 is sequentially formed through the first mounting hole 25 and the second mounting hole 33 to secure the spring piece 2 to the end piece 3.

[0033] The fixing member 1 plays a crucial role in the installation process. Optionally, the fixing member 1 is a rivet, a screw, preferably a rivet, which is easy to install and stable in connection. Alternatively, the fixing member 1 can not be used, and the spring sheet 2 can be directly welded on the end sheet 3. The fixing member can withstand and transmit the force generated by the vehicle during driving, preventing the spring sheet and the end sheet from relative displacement or separation under stress, thereby ensuring the integrity and stability of the entire quick connection end sheet structure.

[0034] Embodiment 3

[0035] As shown in Figure 2 , the quick connection end sheet provided in Embodiment 3 is an improvement on Embodiment 2, and the same parts will not be repeated. The difference is that the movable end of the spring sheet 2 is provided with a baffle 24 away from one side of the end sheet 3, and the baffle 24 is arranged at the end of the movable end of the spring sheet 2. The fixed end of the spring sheet 2 is provided with a second through hole 22 for the rivet 4, and the second through hole 22 and the large end of the locking hole 31 are throughly arranged. The baffle 24 can be folded with a round corner in the first through hole 21 to avoid scratching and producing noise with the rivet 4 during driving. At the same time, this through arrangement helps to realize the mutual cooperation and coordination between components during connection, improving the accuracy and stability of connection.

[0036] Embodiment 4

[0037] As shown in Figure 4 , the quick connection end sheet provided in Embodiment 4 is an improvement on Embodiment 3, and the same parts will not be repeated. The difference is that the size of the first hole position 311 is greater than or equal to the head size of the rivet 4, the size of the second hole position 312 is less than the head size of the rivet 4, and greater than or equal to the rod size of the rivet 4. This makes the quick connection end sheet have a wider application in different automobile connection positions or products of different automobile manufacturers, reducing the connection problems caused by the difference in rivet specifications. This compatible connection quick connection end sheet can be easily adapted to new rivets, reducing the cost and difficulty of product upgrading and maintenance.

[0038] Embodiment 5

[0039] As shown in Figure 1As shown, the quick connection end piece provided in Example 5 is an improvement over Example 4, and the same parts are not described again. The differences are as follows: the material of the fixing piece 1 is cold heading steel, the material of the spring piece 2 is stainless steel, and the material of the end piece 3 is high-strength low-alloy steel. Cold heading steel can obtain high strength and hardness after proper heat treatment, which is crucial for the fixing piece because it needs to withstand large loads and tension in the connection to ensure that the connected parts are firmly fixed on the end piece 3 under various working conditions. Stainless steel has excellent elasticity, fatigue resistance, corrosion resistance, and high stability. The spring piece undergoes countless compression and stretching during use, and the stainless steel material can ensure its reliable operation at all times, reducing connection failures and safety hazards caused by spring piece failure. High-strength low-alloy steel has high strength and can withstand large loads and impact forces. At the same time, high-strength low-alloy steel also has good toughness and lighter weight, which can reduce vehicle weight, improve fuel economy, reduce emissions, and improve the overall performance of the vehicle. These advantages work together to ensure the high performance, reliability, and durability of the quick connection end piece, meeting the strict requirements of the automotive industry for connected parts and providing important protection for the safe driving and comfortable riding of automobiles.

[0040] The above disclosure provides many different implementations or examples for implementing the different structures of the present application. In order to simplify the disclosure of the present application, the components and settings of specific examples are described above. Of course, they are only examples and the purpose is not to limit the present application. In addition, reference numerals and / or reference letters can be repeated in different examples in the present application. Such repetition is for the purpose of simplification and clarity, and does not in itself indicate a relationship between the various implementations and / or settings being discussed.

[0041] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any person skilled in the art can easily think of various changes or replacements within the technical scope disclosed in the present application, and these should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A quick connect end piece characterized by, The spring sheet (2) and the end sheet (3) are provided, the locking hole (31) is formed in the end sheet (3), the hole diameter of the locking hole (31) is gradually reduced along the length direction of the end sheet (3), the spring sheet (2) is located above the locking hole (31), one end of the spring sheet (2) is fixed on the end sheet (3), the other end is a movable end, the fixed end of the spring sheet (2) is arranged close to the large end hole position of the locking hole (31), the movable end of the spring sheet (2) is arranged close to the small end hole position of the locking hole (31), and the movable end of the spring sheet (2) is provided with a limiting plate (23) towards one side of the end sheet (3), and the limiting plate (23) extends towards the small end hole position of the locking hole (31).

2. The quick-connect endpiece of claim 1, wherein, The fixed part (1) is further provided, and the fixed end of the spring sheet (2) is connected with the end sheet (3) through the fixed part (1).

3. The quick attach end piece of claim 2, wherein, The fixed part (1) is a rivet or a screw.

4. The quick attach end piece of claim 1, wherein, The end sheet (3) is provided with a stretching hole (32) at the end close to the fixed end of the spring sheet (2).

5. The quick attach end piece of claim 2, wherein, The fixed end of the spring sheet (2) is provided with a first mounting hole, the end sheet (3) is provided with a second mounting hole (33) matched with the first mounting hole, and the fixed part (1) is arranged in the first mounting hole and the second mounting hole (33) in sequence to fix the spring sheet (2) on the end sheet (3).

6. The quick attach end piece of claim 1, wherein, The movable end of the spring sheet (2) is provided with a baffle (24) away from one side of the end sheet (3), and the baffle (24) is arranged at the end of the movable end of the spring sheet (2).

7. The quick attach end piece of claim 1, wherein, The fixed end of the spring sheet (2) is provided with a second through hole (22) for accommodating the rivet (4), and the second through hole (22) and the large end of the locking hole (31) are arranged in a penetrating mode.

8. The quick attach end piece of claim 1, wherein, The locking hole (31) comprises a first hole position (311) and a second hole position (312), the first hole position (311) is a large end hole position, the second hole position (312) is a small end hole position, and the first hole position (311) and the second hole position (312) are communicated to form a key-shaped hole.

9. The quick-connect endpiece of claim 8, wherein, The size of the first hole position (311) is greater than or equal to the head size of the rivet (4), the size of the second hole position (312) is smaller than the head size of the rivet (4) and greater than or equal to the rod size of the rivet (4).

10. The quick-connect endpiece of claim 2, wherein, The material of the fixed part (1) is cold heading steel, the material of the spring sheet (2) is stainless steel, and the material of the end sheet (3) is high-strength low-alloy.

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