Mounting fastener for automobile plastic parts

Abstract

The utility model discloses an automobile plastic part installation fastener which comprises a fastening assembly, the fastening assembly comprises a fastening bolt and a fastening sleeve, the fastening sleeve is provided with a fastening ring, the fastening ring is provided with a plurality of clamping grooves, each clamping groove is provided with a clamping spring, a clamping piece and a clamping rod in a sliding mode, the top of each clamping rod is connected with a clamping plate, and the top of each clamping plate is provided with a clamping groove. A clamping cavity is formed in the fastening bolt, a clamping block and a clamping rod are arranged in the clamping cavity, a plurality of clamping grooves matched with the clamping rod are formed in the fastening sleeve in the circumferential direction, the fastening bolt is provided with a driving device, a protective cap is arranged on the driving device, and through cooperation of the fastening bolt and the fastening sleeve, automobile plastic can be conveniently connected and fixed; the clamping rod, the clamping spring and the clamping plate are arranged on the fastening ring of the fastening bolt, so that clamping and abutting between the fastening sleeve and a part are facilitated, the relative position of the fastening sleeve and the fastening bolt is limited through cooperation of the clamping rod and the clamping groove, and the connection stability is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile parts processing, and more specifically, it relates to a mounting fastener for automobile plastic parts. Background Art

[0002] Fasteners are a type of mechanical parts used for fastening and connection and are extremely widely used. Fasteners are widely used in industries including energy, electronics, electrical appliances, machinery, chemicals, metallurgy, molds, hydraulics, etc. Various fasteners can be seen on various machinery, equipment, vehicles, ships, railways, bridges, buildings, structures, tools, instruments and supplies. They are the most widely used basic mechanical parts. They are characterized by a wide variety of specifications, different performances and uses, and a high degree of standardization, serialization and generalization. In the process of automobile assembly, plastic parts are connected by fasteners.

[0003] In the existing technology, there are too many parts that need to be installed when installing and repairing a car, and these parts require different installation tools. Some installation tools are inconvenient to use during use. For example, some installation tools have poor fastening effects on parts during use, and the connection of fasteners is easily loosened due to the vibration of the car. At the same time, in order to protect the fasteners, protective caps are usually set on the fasteners, but the protective effect of the protective caps is limited and they are easy to lose. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the problems existing in the prior art, the utility model provides a mounting fastener for automobile plastic parts to solve the technical problems of poor fastening effect and easy loosening mentioned in the background technology.

[0006] (II) Technical solution

[0007] To achieve the above-mentioned objectives, the utility model provides the following technical solutions: an installation fastener for an automobile plastic part, comprising a fastening assembly, the fastening assembly comprising a fastening bolt, a fastening sleeve being threadedly connected to the outer side of the fastening bolt, a fastening ring being provided on the fastening sleeve, a plurality of clamping grooves being provided on the fastening ring, a clamping sheet and a clamping rod being slidably provided on each of the clamping grooves, a clamping spring being provided between the clamping sheet and the clamping groove, a clamping plate being connected to the top of the clamping rod, a clamping cavity being provided inside the fastening bolt, a clamping block being provided inside the clamping cavity, a plurality of clamping rods being provided between the clamping block and the fastening sleeve, a plurality of clamping grooves cooperating with the clamping rods being circumferentially arranged on the fastening sleeve, the fastening bolt being provided with a driving device, and a protective cap being provided on the driving device.

[0008] The utility model is further configured as follows: the driving device includes a driving sleeve and a driving screw, the driving sleeve is rotatably arranged on the fastening bolt, and a driving block is provided at one end of the driving screw. The position of the driving block is moved by the cooperation of the driving screw and the driving sleeve, and the position of the clamping rod is adjusted by squeezing the clamping block by the driving block.

[0009] The utility model is further configured that the top of the driving block is in a pointed cone shape, and the clamping block is provided with an inclined surface matched with the driving block, so as to facilitate squeezing the clamping block through the driving block.

[0010] The utility model is further configured such that a movable groove is provided on the protective cap, a movable plate is provided on the top of the movable groove by the driving sleeve, and a movable spring is provided between the movable plate and the movable groove, so as to facilitate fastening the protective cap on the fastening bolt to prevent the protective cap from being lost.

[0011] The utility model is further configured such that a sliding block is provided on the movable plate, and a sliding groove cooperating with the sliding block is provided in the movable groove, and the moving direction of the movable plate is limited by the cooperation between the sliding block and the sliding groove, and the driving sleeve is driven to rotate by rotating the protective cap.

[0012] The utility model is further configured that a clamping spring is provided between the clamping block and the clamping cavity to facilitate resetting of the clamping block.

[0013] The utility model is further configured that a limiting rod is provided on the driving block, and a limiting groove cooperating with the limiting rod is provided in the clamping cavity to limit the moving direction of the driving block and prevent the driving block and the driving screw from rotating.

[0014] The utility model is further configured that a clamping pad is provided on the top of the clamping plate to improve the clamping effect.

[0015] (III) Beneficial effects

[0016] Compared with the prior art, the utility model provides a mounting fastener for automobile plastic parts, which has the following beneficial effects:

[0017] 1. Through the cooperation of the fastening bolt and the fastening sleeve, it is convenient to connect and fix the automotive plastic. By arranging the clamping rod, the clamping spring and the clamping plate on the fastening ring of the fastening bolt, it is convenient to clamp the fastening sleeve and the parts, and at the same time, the thread bite force between the fastening bolt and the fastening sleeve is improved, and the connection stability is improved.

[0018] 2. The driving sleeve is rotated to drive the driving screw and the driving block to move, the driving block squeezes the clamping block, the clamping block squeezes the clamping rod, and the clamping rod cooperates with the clamping groove to limit the relative position of the fastening sleeve and the fastening bolt, thereby improving the connection stability and preventing the connection from loosening.

[0019] 3. By arranging a moving plate and a moving spring in the moving groove, the protective cap is tightly sleeved on the fastening bolt, which is convenient for protecting the fastening bolt and preventing the protective cap from being lost. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the fastening assembly in the utility model;

[0021] Figure 2 It is a schematic cross-sectional structure diagram of the fastening assembly in the utility model;

[0022] Figure 3 for Figure 2 Schematic diagram of the local structure of A;

[0023] Figure 4 This is a schematic diagram of the cross-sectional structure of the fastening bolt in the utility model;

[0024] Figure 5 It is a schematic diagram of the matching structure of the fastening sleeve, the clamping groove and the clamping rod in the utility model.

[0025] In the figure: 1. Fastening assembly; 2. Fastening bolt; 3. Fastening sleeve; 4. Fastening ring; 5. Clamping groove; 6. Clamping plate; 7. Clamping rod; 8. Clamping spring; 9. Clamping plate; 10. Snap-in cavity; 11. Snap-in block; 12. Snap-in rod; 13. Snap-in groove; 14. Protective cap; 15. Drive sleeve; 16. Drive screw; 17. Drive block; 18. Inclined surface; 19. Moving groove; 20. Moving plate; 21. Moving spring; 22. Sliding block; 23. Sliding groove; 24. Snap-in spring; 25. Limit rod; 26. Limit groove; 27. Clamping pad. DETAILED DESCRIPTION

[0026] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present utility model will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0027] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meanings as commonly understood by ordinary technicians in the technical field to which this application belongs.

[0028] In the present invention, unless otherwise specified, directions such as "up" and "down" are usually used in reference to the directions shown in the drawings, or in reference to the vertical, perpendicular or gravity direction; similarly, for ease of understanding and description, "left" and "right" are usually used in reference to the left and right shown in the drawings; "inside" and "outside" refer to the inside and outside relative to the outline of each component itself, but the above-mentioned directions are not used to limit the present invention.

[0029] See also Figure 1-5 A mounting fastener for automobile plastic parts comprises a fastening assembly 1, wherein the fastening assembly 1 comprises a fastening bolt 2, a fastening sleeve 3 is threadedly connected to the outer side of the fastening bolt 2, a fastening ring 4 is arranged on the fastening sleeve 3, a plurality of clamping grooves 5 are arranged on the fastening ring 4, a clamping piece 6 and a clamping rod 7 are slidably arranged on each clamping groove 5, a clamping spring 8 is arranged between the clamping piece 6 and the clamping groove 5, a clamping plate 9 is connected to the top of the clamping rod 7, a clamping cavity 10 is arranged inside the fastening bolt 2, a clamping block 11 is arranged inside the clamping cavity 10, a plurality of clamping rods 12 are arranged between the clamping block 11 and the fastening sleeve 3, a plurality of clamping grooves 13 cooperating with the clamping rod 12 are circumferentially arranged on the fastening sleeve 3, a driving device is arranged on the fastening bolt 2, and a protective cap 14 is arranged on the driving device.

[0030] In this embodiment, when in use, the fastening sleeve 3 is passed through the automobile part and connected with the fastening sleeve 3 by the fastening bolt 2 to fasten the automobile part, and the fastening ring 4 is pressed against one side of the part, and the clamping plate 9 and the clamping rod 7 are squeezed to squeeze the clamping sheet 6 and the clamping spring 8. The elastic force of the clamping spring 8 presses the fastening ring 4 against the part, and at the same time, the thread bite force between the fastening sleeve 3 and the fastening bolt 2 is improved.

[0031] See also Figure 2-5 As an implementation mode of the driving device: the driving device includes a driving sleeve 15 and a driving screw 16, the driving sleeve 15 is rotatably arranged on the fastening bolt 2, a driving block 17 is arranged at one end of the driving screw 16, the top of the driving block 17 is a pointed cone pile, an inclined surface 18 cooperating with the driving block 17 is arranged on the clamping block 11, a moving groove 19 is arranged on the protective cap 14, a moving plate 20 is arranged on the top of the moving groove 19 of the driving sleeve 15, a moving spring 21 is arranged between the moving plate 20 and the moving groove 19, a sliding block 22 is arranged on the moving plate 20, a sliding groove 23 cooperating with the sliding block 22 is arranged in the moving groove 19, a clamping spring 24 is arranged between the clamping block 11 and the clamping cavity 10, a limiting rod 25 is arranged on the driving block 17, a limiting groove 26 cooperating with the limiting rod 25 is arranged in the clamping cavity 10, and a clamping pad 27 is arranged on the top of the clamping plate 9.

[0032] More specifically, the protective cap 14 is moved upward, the protective cap 14 cooperates with the moving plate 20 to squeeze the moving spring 21, the sliding block 22 moves in the sliding groove 23, and the protective cap 14 is rotated. The protective cap 14 drives the driving sleeve 15 to rotate through the limiting effect of the sliding block 22 and the sliding groove 23. The driving screw 16 and the driving block 17 can only move in the vertical direction under the limiting effect of the limiting rod 25 and the limiting groove 26. Therefore, the driving screw 16 and the driving sleeve 15 rotate relative to each other, and the driving sleeve 15 drives The driving screw 16 and the driving block 17 squeeze the clamping block 11 downward, and the driving block 17 cooperates with the inclined surface 18 of the clamping block 11 to squeeze the clamping block 11 and the clamping rod 12 to both sides. The clamping block 11 squeezes the clamping spring 24, and the clamping rod 12 extends into the clamping groove 13 to fix the relative position of the fastening sleeve 3 and the fastening bolt 2. Then the protective cap 14 is loosened, and the protective cap 14 is reset under the elastic force of the moving spring 21, so that the protective cap 14 is sleeved on the fastening bolt 2 to protect the fastening bolt 2.

[0033] In summary, when the overall equipment is in use or running: when in use, the fastening sleeve 3 is passed through the automobile parts, and the automobile parts are fastened by connecting and cooperating with the fastening sleeve 3 through the fastening bolts 2, and the fastening ring 4 is pressed against one side of the parts, and the clamping plate 9 and the clamping rod 7 are squeezed with the clamping sheet 6 and the clamping spring 8. The elastic force of the clamping spring 8 is used to press the fastening ring 4 against the parts, and at the same time, the threaded bite force between the fastening sleeve 3 and the fastening bolts 2 is improved.

[0034] The protective cap 14 is moved upward, and the protective cap 14 cooperates with the moving plate 20 to squeeze the moving spring 21, and the sliding block 22 moves in the sliding groove 23, and the protective cap 14 is rotated. The protective cap 14 drives the driving sleeve 15 to rotate through the limiting effect of the sliding block 22 and the sliding groove 23. The driving screw 16 and the driving block 17 can only move in the vertical direction under the limiting effect of the limiting rod 25 and the limiting groove 26. Therefore, the driving screw 16 and the driving sleeve 15 rotate relative to each other, and the driving sleeve 15 drives the driving The screw rod 16 and the driving block 17 squeeze the clamping block 11 downward, and the driving block 17 cooperates with the inclined surface 18 of the clamping block 11 to squeeze the clamping block 11 and the clamping rod 12 to both sides. The clamping block 11 squeezes the clamping spring 24, and the clamping rod 12 extends into the clamping groove 13 to fix the relative position of the fastening sleeve 3 and the fastening bolt 2. Then the protective cap 14 is loosened, and the protective cap 14 is reset under the elastic force of the moving spring 21, so that the protective cap 14 is sleeved on the fastening bolt 2 to protect the fastening bolt 2.

[0035] In all the schemes mentioned above, the connection between two parts can be selected according to actual conditions by welding, bolt and nut matching connection, bolt or screw connection or other well-known connection methods, which are not described here one by one. In the above, all fixed connections are preferably welded. Although the embodiments of the utility model have been shown and described, it can be understood by ordinary technicians in this field that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the utility model. The scope of the utility model is defined by the attached claims and their equivalents.

Claims

1. A mounting fastener for automobile plastic parts, comprising a fastening assembly (1), characterized in that: The fastening assembly (1) comprises a fastening bolt (2), the outer side of the fastening bolt (2) is threadedly connected to a fastening sleeve (3), the fastening sleeve (3) is provided with a fastening ring (4), the fastening ring (4) is provided with a plurality of clamping grooves (5), each of the clamping grooves (5) is slidably provided with a clamping sheet (6) and a clamping rod (7), a clamping spring (8) is provided between the clamping sheet (6) and the clamping groove (5), the top of the clamping rod (7) is connected to the A clamping plate (9) is provided, a clamping cavity (10) is provided inside the fastening bolt (2), a clamping block (11) is provided inside the clamping cavity (10), a plurality of clamping rods (12) are provided between the clamping block (11) and the fastening sleeve (3), a plurality of clamping grooves (13) cooperating with the clamping rods (12) are provided along the circumferential direction of the fastening sleeve (3), and a driving device is provided on the driving device. A protective cap (14) is provided on the driving device.

2. The mounting fastener for automobile plastic parts according to claim 1, characterized in that: The driving device comprises a driving sleeve (15) and a driving screw (16); the driving sleeve (15) is rotatably arranged on the fastening bolt (2); and a driving block (17) is arranged at one end of the driving screw (16).

3. The mounting fastener for an automobile plastic part according to claim 2, characterized in that: The top of the driving block (17) is in a pointed cone shape, and the clamping block (11) is provided with an inclined surface (18) that matches the driving block (17).

4. The mounting fastener for automobile plastic parts according to claim 3, characterized in that: The protective cap (14) is provided with a movable groove (19), the driving sleeve (15) is provided with a movable plate (20) at the top of the movable groove (19), and a movable spring (21) is provided between the movable plate (20) and the movable groove (19).

5. The mounting fastener for automobile plastic parts according to claim 4, characterized in that: The movable plate (20) is provided with a sliding block (22), and the movable groove (19) is provided with a sliding groove (23) that cooperates with the sliding block (22).

6. The mounting fastener for automobile plastic parts according to claim 1, characterized in that: A clamping spring (24) is provided between the clamping block (11) and the clamping cavity (10).

7. The mounting fastener for automobile plastic parts according to claim 2, characterized in that: The driving block (17) is provided with a limiting rod (25), and the clamping cavity (10) is provided with a limiting groove (26) that cooperates with the limiting rod (25).

8. The mounting fastener for automobile plastic parts according to claim 1, characterized in that: A clamping pad (27) is provided on the top of the clamping plate (9).

Images