Support fastener for automobile bumper

Abstract

The utility model relates to the technical field of automobile bumper installation accessories, in particular to a support fastener for an automobile bumper, which comprises a bolt fixing head, a screw rod is integrally formed at the right end of the bolt fixing head, a through hole is formed in the right end of the screw rod in a penetrating manner, and notches communicated with the through hole are formed in the upper side and the lower side of the outer wall of the screw rod. Pressure applying plates which are matched with the two notches and extend into the through hole are arranged in the two notches, and the opposite sides of the two pressure applying plates are inclined planes; when a torsion block and a threaded column are rotated through a plum blossom screwdriver, an inclined plane block can be driven to move rightwards, and due to the fact that the opposite sides of two pressure applying plates are symmetrical inclined planes and the inclined plane block is attached to the opposite sides of the two pressure applying plates, the two pressure applying plates are driven to move oppositely and tightly abut against the inner walls of a bumper and a support mounting hole. Therefore, the purposes of improving the anti-loosening performance of the fastening device in the using period and effectively reducing the potential risk of bumper vibration caused by loosening are achieved.

Description

Technical Field

[0001] This utility model relates to the technical field of automotive bumper mounting accessories, specifically to bracket fasteners for automotive bumpers. Background Technology

[0002] Car bumpers are safety devices that absorb and mitigate external impacts, protecting the front and rear of the vehicle. Many years ago, car bumpers were made of stamped steel plates forming channel steel, riveted or welded to the longitudinal beams of the chassis, leaving a significant gap between them and the car body, which looked unsightly. With the development of the automotive industry and the widespread use of engineering plastics, car bumpers, as an important safety device, have undergone significant innovation. Today, car bumpers, in addition to maintaining their original protective function, strive for harmony and unity with the vehicle's design, and are also lightweight. Car bumpers are made of plastic and are called plastic bumpers. The bumpers are mounted on the front of the car using appropriate brackets.

[0003] In the existing technology, bolts are used as fasteners, and bumpers are mostly connected to brackets by bolts. However, the vibrations caused by long-term driving can easily loosen the bolts on the bumper, which will increase the vibration of the bumper and affect its service life. Therefore, it is necessary to propose a bracket fastener for car bumpers to solve the above problems. Utility Model Content

[0004] The purpose of this invention is to provide a bracket fastener for automobile bumpers, which has the characteristics of improving the anti-loosening performance during use and can effectively reduce the potential risk of bumper vibration caused by loosening.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a fastener for a car bumper bracket, including a bolt head, a screw integrally formed at the right end of the bolt head, a through hole through the right end of the screw, slots communicating with the through hole on both the upper and lower sides of the outer wall of the screw, pressure plates matching and extending into the through hole are provided inside the two slots, the opposite sides of the two pressure plates are both inclined, an inclined block that fits between the two pressure plates is provided, sliding grooves are provided at both the upper and lower ends of the inclined block, and guide strips that are slidably connected to the opposite sides of the two pressure plates are fixedly connected to the two sliding grooves respectively;

[0006] The left end of the bolt fixing head is provided with a receiving hole, and the right end of the inner wall of the receiving hole is threaded and connected to a threaded post that is rotatably connected to the inclined block. The left end of the threaded post is fixedly connected to a torsion block.

[0007] To prevent the two guide strips from detaching from the interior of the two grooves, the preferred fastener for the car bumper bracket of this utility model is a dovetail-shaped structure that matches each other, with respect to the two grooves and the two guide strips.

[0008] To improve the anti-slip effect when the anti-slip disc comes into contact with the outer wall of the bumper, the preferred fastener for the car bumper bracket of this utility model is provided with an anti-slip disc on the outer wall of the screw, and the right end of the anti-slip disc is provided with anti-slip texture.

[0009] To facilitate the rotation of the torsion block using a Torx screwdriver, the left end of the torsion block, as a preferred fastener for the car bumper bracket of this utility model, is provided with a Torx groove.

[0010] To improve the stability of the right-side support inside the through hole, a fixing block is preferably provided on the right side inside the through hole as a preferred fastener for the car bumper bracket of this utility model.

[0011] To facilitate the insertion of the torsion block into the storage hole, the inner diameter of the storage hole is larger than the diameter of the torsion block, which is preferred for the car bumper bracket fastener of this utility model.

[0012] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0013] Screw the screw into the mounting holes of the bumper and bracket until the anti-slip plate is tightly against the outer wall of the bumper, thus completing the connection and fixation of the bumper and bracket. Then, when the torsion block and threaded post are turned by the Torx screwdriver, the inclined block will move to the right. Since the opposite sides of the two pressure plates are symmetrical inclined surfaces, and the inclined block is in contact with the opposite sides of the two pressure plates, the two pressure plates will move back and forth and tightly abut against the inner wall of the mounting holes of the bumper and bracket. In this way, the anti-loosening performance of the fastening device is improved during use, and the potential risk of bumper vibration caused by loosening is effectively reduced. Attached Figure Description

[0014] Figure 1 This is a front sectional view of the present invention.

[0015] Figure 2 This is a diagram showing the connection structure at the screw of this utility model;

[0016] Figure 3 This is a partial left-side view of the structure of this utility model;

[0017] Figure 4 This is a partial right-side view of the structure of this utility model.

[0018] In the diagram: 1. Bolt fixing head; 2. Screw; 3. Through hole; 4. Groove; 5. Pressure plate; 6. Inclined block; 7. Slide groove; 8. Guide strip; 9. Storage hole; 10. Threaded post; 11. Twist block; 12. Plum blossom groove; 13. Anti-slip disc; 14. Fixing block. Detailed Implementation

[0019] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0020] In the description of this utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, in the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0021] Please see Figures 1 to 4 The fastener for the car bumper bracket includes a bolt head 1. The right end of the bolt head 1 is integrally formed with a screw 2. The right end of the screw 2 has a through hole 3. The upper and lower sides of the outer wall of the screw 2 are provided with slots 4 that communicate with the through hole 3. The inside of each slot 4 is provided with a matching pressure plate 5 that extends into the through hole 3. The opposite side of each pressure plate 5 is a slope. The two pressure plates 5 are provided with a slope block 6 that fits between them. The upper and lower ends of the slope block 6 are provided with sliding grooves 7. The opposite side of each pressure plate 5 is fixedly connected with a guide strip 8 that is slidably connected to the two sliding grooves 7 respectively.

[0022] The left end of the bolt fixing head 1 has a receiving hole 9. The right end of the inner wall of the receiving hole 9 is threaded and connected to a threaded post 10 that is rotatably connected to the inclined block 6. The left end of the threaded post 10 is fixedly connected to a torsion block 11.

[0023] In this embodiment: When in use, turning the bolt fixing head 1 with a wrench can drive the screw 2 to rotate, thereby screwing the screw 2 into the mounting holes of the bumper and bracket until the anti-slip plate 13 is tightly abutted against the outer wall of the bumper, thus completing the connection and fixing of the bumper and bracket;

[0024] To improve the stability of the fastening device's connection with the bumper and bracket, the torsion block 11 is rotated using a Torx screwdriver, which in turn rotates the threaded post 10. Since the threaded post 10 is connected to the left end of the inclined block 6, the inclined block 6 moves to the right. Because the two pressure plates 5 have symmetrical inclined surfaces on opposite sides, and the inclined block 6 fits against the opposite sides of the two pressure plates 5, combined with the guiding and limiting effect of the two slots 4 on the two pressure plates 5, the two pressure plates 5 move to opposite sides until they are tightly against the inner wall of the bumper and bracket mounting holes. This further improves the stability of the screw 2 connection. At this point, the torsion block 11 enters the housing hole 9, improving aesthetics. In this way, the anti-loosening performance of the fastening device is improved during use, and the potential risk of bumper vibration caused by loosening is effectively reduced.

[0025] As a technical optimization of this utility model, the two sliding grooves 7 and the two guide bars 8 are mutually matched dovetail-shaped structures.

[0026] In this embodiment, by setting the two slide grooves 7 and the two guide bars 8 to be mutually matched dovetail-shaped structures, the two guide bars 8 can be prevented from detaching from the inside of the two slide grooves 7.

[0027] As a technical optimization of this utility model, the outer wall of the screw 2 is provided with an anti-slip disc 13, and the right end of the anti-slip disc 13 is provided with anti-slip texture.

[0028] In this embodiment: because the right end of the anti-slip disc 13 is provided with anti-slip texture, the anti-slip effect is achieved when the anti-slip disc 13 comes into contact with the outer wall of the bumper.

[0029] As a technical optimization of this utility model, a plum blossom groove 12 is provided at the left end of the twist block 11.

[0030] In this embodiment: by setting the Torx Slot 12, it is easier to rotate the Torx Block 11 with a Torx Screwdriver.

[0031] As a technical optimization of this utility model, a fixing block 14 is provided on the right side inside the through hole 3.

[0032] In this embodiment, the stability of the right-side support inside the through hole 3 is improved by setting a fixing block 14.

[0033] As a technical optimization of this utility model, the inner diameter of the storage hole 9 is larger than the diameter of the twist block 11.

[0034] In this embodiment: Since the inner diameter of the storage hole 9 is larger than the diameter of the twist block 11, it is convenient for the twist block 11 to enter the interior of the storage hole 9.

[0035] Working principle: When in use, turning the bolt fixing head 1 with a wrench will drive the screw 2 to rotate, which will then screw the screw 2 into the mounting holes of the bumper and bracket until the anti-slip plate 13 is tightly against the outer wall of the bumper, thereby completing the connection and fixing of the bumper and bracket.

[0036] To improve the stability of the fastening device's connection with the bumper and bracket, the torsion block 11 is rotated using a Torx screwdriver, which in turn rotates the threaded post 10. Since the threaded post 10 is connected to the left end of the inclined block 6, the inclined block 6 moves to the right. Because the two pressure plates 5 have symmetrical inclined surfaces on opposite sides, and the inclined block 6 fits against the opposite sides of the two pressure plates 5, combined with the guiding and limiting effect of the two slots 4 on the two pressure plates 5, the two pressure plates 5 move to opposite sides until they are tightly against the inner wall of the bumper and bracket mounting holes. This further improves the stability of the screw 2 connection. At this point, the torsion block 11 enters the housing hole 9, improving aesthetics. In this way, the anti-loosening performance of the fastening device is improved during use, and the potential risk of bumper vibration caused by loosening is effectively reduced.

[0037] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A fastener for a car bumper bracket, comprising a bolt head (1), wherein a screw (2) is integrally formed on the right end of the bolt head (1), characterized in that: The right end of the screw (2) is provided with a through hole (3). The upper and lower sides of the outer wall of the screw (2) are provided with slots (4) that communicate with the through hole (3). The inside of each slot (4) is provided with a pressure plate (5) that matches it and extends into the through hole (3). The opposite side of each pressure plate (5) is a slope. The two pressure plates (5) are provided with a slope block (6) that fits between them. The upper and lower ends of the slope block (6) are provided with sliding grooves (7). The opposite side of each pressure plate (5) is fixedly connected with guide strips (8) that are slidably connected to the two sliding grooves (7). The left end of the bolt fixing head (1) is provided with a receiving hole (9), and the right end of the inner wall of the receiving hole (9) is threaded and connected to a threaded post (10) that is rotatably connected to the inclined block (6). The left end of the threaded post (10) is fixedly connected to a torsion block (11).

2. The bracket fastener for automobile bumpers according to claim 1, characterized in that: The two grooves (7) and the two guide bars (8) are mutually matched dovetail structures.

3. The bracket fastener for automobile bumpers according to claim 1, characterized in that: The outer wall of the screw (2) is provided with an anti-slip disc (13), and the right end of the anti-slip disc (13) is provided with anti-slip texture.

4. The bracket fastener for automobile bumpers according to claim 1, characterized in that: The left end of the twist block (11) is provided with a plum blossom groove (12).

5. The bracket fastener for an automobile bumper according to claim 1, characterized in that: A fixing block (14) is provided on the right side inside the through hole (3).

6. The bracket fastener for automobile bumpers according to claim 1, characterized in that: The inner diameter of the receiving hole (9) is larger than the diameter of the twist block (11).

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