CN218347751U

CN218347751U - Fastener for automotive interior and exterior trim

Info

Publication number: CN218347751U
Application number: CN202222075192.5U
Authority: CN
Inventors: 李飞; 廖明浪
Original assignee: Chongqing Yujinfei Technology Co ltd
Current assignee: Chongqing Yujinfei Technology Co ltd
Priority date: 2022-08-08
Filing date: 2022-08-08
Publication date: 2023-01-20
Anticipated expiration: 2032-08-08

Abstract

The utility model belongs to the field of fasteners, in particular to a fastener for automobile interior and exterior trim, which comprises a first screw head, a nut and a second screw head; through a threaded rod of spiral shell head bottom rigid coupling, a threaded rod is inside to be equipped with No. two internal threads, and a nut is inside to have seted up an internal thread, and an internal thread threaded connection on a threaded rod, has seted up No. three external screw threads on the nut lateral wall, and the inside rigid coupling of No. two spiral shells has No. two threaded rods, and threaded connection is inside No. two internal threads, and No. three internal threads have been seted up to No. two spiral shell head inside walls, just No. three internal thread threaded connection is in the structural design on No. three external screw threads, has realized the function of triple threaded connection increase friction power, has solved the vehicle and has gone in-process and can produce jolt and vibrations, and long-term vibrations can produce the influence to the firm in connection degree of fastener, leads to the part not hard up abnormal sound or the problem that interior trim drops, has improved the firm degree of fastener.

Description

Fastener for automobile interior and exterior decoration

Technical Field

The utility model relates to a fastener field specifically is a fastener for automotive interior outward decoration.

Background

The fastener is a general name of mechanical parts used when two or more parts are fastened and connected into a whole.

The fastener is a very important part in the installation of automotive interior and exterior trim, the number of the fasteners on a common automobile can reach more than 3000, and the fastening agent is directly related to the connection precision, the installation cost, the abnormal sound noise reduction, the later maintenance and the like of the automotive interior and exterior trim.

The vehicle can bump and vibrate in the running process, and long-term vibration can affect the connection firmness of the fastening piece, so that parts are loosened, abnormal sound is produced or internal and external decorations fall off; accordingly, a fastener for automotive interior and exterior trim has been proposed to address the above problems.

SUMMERY OF THE UTILITY MODEL

In order to compensate prior art's not enough, can produce among the vehicle driving process and jolt and vibrations, long-term vibrations can probably exert an influence to the firm in connection degree of fastener, lead to the problem that vehicle abnormal sound or interior exterior trim drop, the utility model provides a fastener is used to automotive interior exterior trim.

The utility model provides a technical scheme that its technical problem adopted is: the utility model relates to a fastener for automobile interior and exterior trim, which comprises a first screw head, a nut and a second screw head; a first threaded rod is fixedly connected to the bottom of the first screw head; a circular hole is formed in the first threaded rod, and a second internal thread is formed in the inner wall of the circular hole; a circular through hole is formed in the center of the nut; a first internal thread is formed in the inner wall of the circular through hole in the nut and is in threaded connection with a first threaded rod; the side wall of the nut is provided with a third external thread; the second screw head is circular, and a second threaded rod is fixedly connected to the center of the second screw head; the second threaded rod is connected inside the second internal thread in a threaded manner; no. three internal threads are formed in the inner wall of the second screw head, and the No. three internal threads are connected to the No. three external threads in a threaded mode.

Preferably, a groove is formed at the joint of the first screw head and the first threaded rod, and a buckle is fixedly connected in the groove; a first gasket is arranged between the first screw head and the nut, a clamping groove is formed in one side, facing the first screw head, of the first gasket, and the clamping groove is clamped with the buckle; a spring is fixedly connected to one end, facing the first screw head, of the nut; the other end of the spring is fixedly connected with a second gasket; the rubber pads are fixedly connected to the ends, opposite to the first gasket, of the second gasket, and rubber particles are arranged on the surfaces of the rubber pads.

Preferably, foam is fixedly connected to the bottom of the first screw head; the top of the nut is fixedly connected with foam.

Preferably, the side wall of the first screw head is provided with an insertion hole, and the insertion hole penetrates through the inside of the first screw head; the side wall of the nut is provided with a splicing hole, and the splicing hole penetrates through the inside of the nut.

Preferably, a fourth threaded rod is fixedly connected to the top of the first screw head; a nut is arranged above the first screw head; a fourth internal thread is formed in the inner wall of the nut and is in threaded connection with the fourth threaded rod; the top end of the nut is fixedly connected with a rubber ball; and a rubber ball is fixedly connected to the bottom of the second screw head.

Preferably, the bottom of the screw cap is fixedly connected with a rubber sleeve; and the top end of the second screw head is fixedly connected with a rubber sleeve.

The utility model discloses an useful part lies in:

1. the utility model discloses a threaded rod of a spiral shell head bottom rigid coupling, the inside internal thread No. two that is equipped with of threaded rod, the inside internal thread of having seted up of nut, and an internal thread threaded connection on a threaded rod, seted up No. three external screw thread on the nut lateral wall, the inside rigid coupling of No. two spiral shells has No. two threaded rods, and threaded connection is inside No. two internal threads, and No. three internal threads have been seted up to No. two spiral shell head inside walls, just structural design of No. three internal thread threaded connection on No. three external screw threads has realized the function of triple threaded connection increase friction power, has solved the vehicle and has gone the in-process and can produce jolt and vibrations, and long-term vibrations can produce the influence to the firm in connection degree of fastener, leads to the part not hard up abnormal sound or the problem that interior trim drops, has improved the firm degree of fastener.

2. The utility model discloses an add gasket and No. two gaskets between spiral shell head and nut, through draw-in groove and the mutual joint of buckle, make fastener and part contact inseparabler, through add the spring between nut and No. two gaskets, utilize the elastic characteristic of spring to make the fastener remain the laminating with the part all the time, through gasket and No. two gasket surface rigid coupling rubber pads and set up rubber particles, make the fastener can not injure the inside leather interior trim of car to play the antiskid.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a front view of the present invention;

fig. 3 is a schematic view of the structure of the first internal thread and the fourth internal thread of the present invention;

FIG. 4 is an enlarged view of part A of the present invention;

FIG. 5 is a schematic view of the rubber sleeve structure of the present invention;

fig. 6 is a schematic view of the present invention in operation.

In the figure: 11. a first screw head; 12. a first threaded rod; 13. a nut; 14. a second internal thread; 15. a third external thread; 16. a second threaded rod; 17. a first internal thread; 18. a third internal thread; 19. a second screw head; 21. a first gasket; 22. a card slot; 23. buckling; 24. a second gasket; 25. a spring; 26. rubber particles; 31. soaking cotton; 51. inserting holes; 61. a nut; 62. a rubber ball; 63. a fourth threaded rod; 64. a fourth internal thread; 71. a rubber sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-6, a fastener for automotive interior and exterior trim includes a first screw head 11, a nut 13, and a second screw head 19; a first threaded rod 12 is fixedly connected to the bottom of the first screw head 11; a circular hole is formed in the first threaded rod 12, and a second internal thread 14 is formed in the inner wall of the circular hole; a circular through hole is formed in the center of the nut 13; a first internal thread 17 is formed in the inner wall of the circular through hole in the nut 13, and the first internal thread 17 is in threaded connection with the first threaded rod 12; the side wall of the nut 13 is provided with a third external thread 15; the second screw head 19 is circular, and a second threaded rod 16 is fixedly connected to the center of the second screw head 19; the second threaded rod 16 is in threaded connection with the inner part of the second internal thread 14; a third internal thread 18 is formed in the inner wall of the second screw head 19, and the third internal thread 18 is in threaded connection with the third external thread 15.

During operation, the part that will fasten is placed No. 11 between nut 13 at a spiral shell head, a spiral shell head 11 is the hexagon with nut 13, use common spanner to rotate, a spiral shell head 11 bottom rigid coupling threaded rod 12, the inside internal thread 14 that is equipped with of threaded rod 12, an internal thread 17 has been seted up to nut 13 inside, and an internal thread 17 threaded connection is on a threaded rod 12, no. three external screw thread 15 has been seted up on the nut 13 lateral wall, the inside rigid coupling of No. two spiral shell heads 19 has No. two threaded rods 16, and threaded connection is inside No. two internal thread 14, no. three internal thread 18 have been seted up to No. two spiral shell head 19 inside walls, just No. three internal thread 18 threaded connection is on No. three external screw thread 15, connect in a threaded rod 12 through an internal thread 17, no. two threaded rods 16 connect in No. two internal thread 14, no. three internal thread 18 connect in No. three external screw thread 15 forms three kinds of friction fastening effects.

A groove is formed at the joint of the first screw head 11 and the first threaded rod 12, and a buckle 23 is fixedly connected in the groove; a first gasket 21 is arranged between the first screw head 11 and the nut 13, a clamping groove 22 is formed in one side, facing the first screw head 11, of the first gasket 21, and the clamping groove 22 is clamped with the buckle 23; a spring 25 is fixedly connected to one end of the nut 13 facing the first screw head 11; a second gasket 24 is fixedly connected to the other end of the spring 25; rubber pads are fixedly connected to the ends, opposite to the first gasket 21, of the second gasket 24, and rubber particles 26 are arranged on the surfaces of the rubber pads.

In operation, in order to prevent that the fastener that leads to because of jolting on the way of the car is not hard up, add gasket 21 and No. two gaskets 24 between screw head 11 and nut 13, through draw-in groove 22 and the mutual joint of buckle 23, make fastener and part contact inseparabler, through add spring 25 between nut 13 and No. two gaskets 24, utilize spring 25's elastic characteristic to make the fastener remain the laminating with the part all the time, through gasket 21 and No. two gasket 24 surface rigid coupling rubber pads and set up rubber granule 26, make the fastener can not injure the inside leather interior trim of car, and play the antiskid.

The bottom of the first screw head 11 is fixedly connected with foam 31; the top of the nut 13 is fixedly connected with foam 31.

During operation, through set up the cotton 31 of bubble at a spiral shell head 11 bottom and nut 13 top, make it fill the space when the fastener is screwed up, further increased the frictional force between the fastener to the inside possibility that makes it rust of steam infiltration fastener has been reduced.

A plug hole 51 is formed in the side wall of the first screw head 11, and the plug hole 51 penetrates through the inside of the first screw head 11; the side wall of the nut 13 is provided with an insertion hole 51, and the insertion hole 51 penetrates through the inside of the nut 13.

In operation, if the first screw head 11 and the nut 13 are frequently assembled and disassembled, the hexagon may be worn, and the problem of tooth slipping occurs, and the problem of tooth slipping can be quickly solved by inserting a stick-shaped object such as a screwdriver and other common tools into the insertion hole 51 for rotation.

A fourth threaded rod 63 is fixedly connected to the top of the first screw head 11; a nut 61 is arranged above the first screw head 11; a fourth internal thread 64 is formed in the inner wall of the nut 61, and the fourth internal thread 64 is in threaded connection with the fourth threaded rod 63; the top end of the screw cap 61 is fixedly connected with a rubber ball 62; the bottom of the second screw head 19 is fixedly connected with a rubber ball 62.

In operation, when the fastener is used in the interior of an automobile, the fastener may cause injury to passengers due to the hard corners of the fastener, and the rubber ball 62 is added to the bottom of the second screw head 19 and the rubber ball 62 is added to the top of the nut 61, so that the passengers are not injured due to the protrusion and the hardness of the fastener.

The bottom of the screw cap 61 is fixedly connected with a rubber sleeve 71; the top end of the second screw head 19 is fixedly connected with a rubber sleeve 71.

During operation, when the fastener is used in the car outside, probably rainwater and road surface muddy water splash the fastener surface, the condition of corrosion can produce for a long time, through add rubber sleeve 71 in nut 61 bottom and No. two spiral shell heads 19 tops, play the guard action to rainwater and muddy water, reduce the risk of corrosion.

The working principle is that a part to be fastened is placed between a first screw head 11 and a nut 13, the first screw head 11 and the nut 13 are hexagonal, a common wrench is used for rotating, a first threaded rod 12 is fixedly connected to the bottom of the first screw head 11, a second internal thread 14 is arranged inside the first threaded rod 12, a first internal thread 17 is arranged inside the nut 13, the first internal thread 17 is in threaded connection with the first threaded rod 12, a third external thread 15 is arranged on the side wall of the nut 13, a second threaded rod 16 is fixedly connected inside the second screw head 19 and is in threaded connection with the second internal thread 14, a third internal thread 18 is arranged on the inner side wall of the second screw head 19, the third internal thread 18 is in threaded connection with the third external thread 15, the first internal thread 17 is connected with the first threaded rod 12, the second internal thread 16 is connected with the second internal thread 14, and the third internal thread 18 is connected with the third external thread 15 to form three friction fastening effects, in order to prevent the fastener from loosening caused by bumping in the process of automobiles, a first gasket 21 and a second gasket 24 are added between a first screw head 11 and a nut 13 and are mutually clamped with a clamping groove 22 and a clamping buckle 23 to enable the fastener to be in tighter contact with parts, a spring 25 is added between the nut 13 and the second gasket 24 to enable the fastener to be always attached to the parts by utilizing the elastic characteristic of the spring 25, rubber pads are fixedly connected to the surfaces of the first gasket 21 and the second gasket 24 and rubber particles 26 are arranged on the surfaces of the first gasket 21 and the second gasket 26, so that the fastener cannot damage the interior leather trim of the automobile and has an anti-skidding effect, foam 31 is arranged at the bottom of the first screw head 11 and the top of the nut 13 to fill a gap when the fastener is screwed, the friction force between the fasteners is further increased, and the possibility of moisture permeating into the interior of the fastener to enable the fastener to rust is reduced, if the first screw head 11 and the nut 13 are frequently disassembled and assembled, the hexagon can be worn, the situation of tooth sliding can occur, a stick-shaped object such as a screwdriver and other common tools is inserted into the plug-in hole 51 to rotate, the problem of tooth sliding can be quickly solved, when the fastener is used for automobile interior trim, passengers can be injured due to hard corners, the rubber ball 62 is added at the bottom of the second screw head 19, the rubber ball 62 is added at the top of the nut 61, so that the passengers can not be injured due to the protrusion and the hardness of the fastener, when the fastener is used for automobile exterior, rainwater and road surface muddy water can be splashed onto the surface of the fastener, the situation of corrosion can be generated for a long time, and the rubber sleeve 71 is added at the bottom of the nut 61 and the top of the second screw head 19, so that the protection effect on the rainwater and the muddy water can be achieved, and the risk of corrosion can be reduced.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.

Claims

1. The utility model provides a fastener for automotive interior outward decoration which characterized in that: comprises a first screw head (11), a nut (13) and a second screw head (19); a first threaded rod (12) is fixedly connected to the bottom of the first screw head (11); a round hole is formed in the first threaded rod (12), and a second internal thread (14) is formed in the inner wall of the round hole; a circular through hole is formed in the center of the nut (13); a first internal thread (17) is formed in the inner wall of the circular through hole in the nut (13), and the first internal thread (17) is in threaded connection with the first threaded rod (12); the side wall of the nut (13) is provided with a third external thread (15); the second screw head (19) is circular, and a second threaded rod (16) is fixedly connected to the center of the second screw head (19); the second threaded rod (16) is in threaded connection with the inside of the second internal thread (14); no. three internal threads (18) are formed in the inner wall of the second screw head (19), and the No. three internal threads (18) are in threaded connection with the No. three external threads (15).

2. The fastener for automotive interior and exterior trim according to claim 1, characterized in that: a groove is formed at the joint of the first screw head (11) and the first threaded rod (12), and a buckle (23) is fixedly connected in the groove; a first gasket (21) is arranged between the first screw head (11) and the nut (13), a clamping groove (22) is formed in one side, facing the first screw head (11), of the first gasket (21), and the clamping groove (22) is clamped with the buckle (23); a spring (25) is fixedly connected to one end, facing the first screw head (11), of the nut (13); a second gasket (24) is fixedly connected to the other end of the spring (25); rubber pads are fixedly connected to the ends, opposite to the first gasket (21), of the second gasket (24), and rubber particles (26) are arranged on the surfaces of the rubber pads.

3. The fastener for automotive interior and exterior trim according to claim 2, characterized in that: foam (31) is fixedly connected to the bottom of the first screw head (11); the top of the nut (13) is fixedly connected with foam (31).

4. The fastener for automotive interior and exterior trim according to claim 3, characterized in that: the side wall of the first screw head (11) is provided with an inserting hole (51), and the inserting hole (51) penetrates through the inside of the first screw head (11); the side wall of the nut (13) is provided with an inserting hole (51), and the inserting hole (51) penetrates through the inside of the nut (13).

5. The fastener for automotive interior and exterior trim according to claim 4, characterized in that: a fourth threaded rod (63) is fixedly connected to the top of the first screw head (11); a nut (61) is arranged above the first screw head (11); a fourth internal thread (64) is formed in the inner wall of the nut (61), and the fourth internal thread (64) is in threaded connection with a fourth threaded rod (63); the top end of the screw cap (61) is fixedly connected with a rubber ball (62); the bottom of the second screw head (19) is fixedly connected with a rubber ball (62).

6. The fastener for automotive interior and exterior trim according to claim 5, characterized in that: the bottom of the screw cap (61) is fixedly connected with a rubber sleeve (71); the top end of the second screw head (19) is fixedly connected with a rubber sleeve (71).