CN216343295U

CN216343295U - High strength car seat locking solid bolt

Info

Publication number: CN216343295U
Application number: CN202123068455.1U
Authority: CN
Inventors: 顾建平
Original assignee: Zhejiang Zhonghang Laibao Hardware Manufactory Co ltd
Current assignee: Zhejiang Zhonghang Laibao Hardware Manufactory Co ltd
Priority date: 2021-12-08
Filing date: 2021-12-08
Publication date: 2022-04-19
Anticipated expiration: 2031-12-08

Abstract

The utility model discloses a high-strength automobile seat locking fixing bolt which comprises a screw rod, a threaded part and a bolt head, wherein one end of the screw rod is coaxially and fixedly connected with a connecting column, one end of the connecting column is coaxially and fixedly connected with the bolt head, a second groove is concavely arranged at the end part, far away from the screw rod, of the bolt head, and an end cover is inserted in the second groove. The protective layer arranged outside the threaded rod protects the strength and the wear resistance of the whole structure; the end cover arranged on the bolt head is convenient for covering and protecting the spline groove of the bolt when not in use, avoids the damage of the spline groove and ensures the use safety; the clamping block that the end cover set up is joined in marriage and the draw-in groove and the spliced eye that spliced pole cooperation bolt head set up, conveniently installs and elasticity the bolt, conveniently carries out the dismouting to the bolt under the no instrument condition.

Description

High strength car seat locking solid bolt

Technical Field

The utility model relates to the technical field of bolts, in particular to a high-strength locking and fixing bolt for an automobile seat.

Background

The bolt is a mechanical part, a cylindrical threaded fastener matched with a nut, and a fastener consisting of a head part and a screw rod is matched with the nut and used for fastening and connecting two parts with through holes, and the connection form is called bolt connection.

When the automobile is used, bolts are often used as fasteners, for example, a bolt is disclosed in the Chinese utility model with the publication number of CN203272384U, in particular to a high-strength automobile seat floor locking fixing bolt; the high-strength locking and fixing bolt for the automobile seat floor has a good fastening effect and is convenient to use; including cap and screw rod, the screw rod includes preceding screw rod and back screw rod, is provided with the external screw thread on the preceding screw rod, and the both ends of back screw rod link to each other with preceding screw rod and cap respectively, and the periphery in the cross-section of preceding screw rod is enclosed by three arc to curved radian is less than 120, and the external screw thread is the triangle screw thread.

However, the strength of the automobile seat locking fixing bolt is poor when the automobile seat locking fixing bolt is used, and meanwhile, no protection device is arranged at the position of the mounting hole, and the safety is poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a high-strength automobile seat locking fixing bolt to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a high strength car seat locking solid bolt, includes screw rod, screw thread portion and bolt head, the coaxial fixed connection spliced pole of one end of screw rod, the coaxial fixed connection bolt head of one end of spliced pole, the tip indent that the screw rod was kept away from to the bolt head is equipped with the second recess, it has the end cover to peg graft in the second recess.

Preferably, a first groove is concavely arranged on the circular side wall of the end cover, and the first groove is of a circular structure.

Preferably, the edge of the side wall of the bolt head is concavely provided with a plurality of inserting holes, the edge of the side wall of the end cover is fixedly connected with a plurality of inserting columns, the inserting columns are fixedly sleeved with rubber sleeves, and the rubber sleeves are matched with the inserting columns to be inserted in the inserting holes.

Preferably, the central position of the side wall of the bolt head is concavely provided with a spline groove, and the edge of the spline groove is provided with a plurality of clamping grooves.

Preferably, the center position of the end cover is fixedly connected with a plurality of clamping blocks matched with the clamping grooves in an annular mode.

Preferably, the surface of the thread part is provided with a protective layer, the protective layer comprises an inner base layer, a metal layer and a wear-resistant layer, the inner base layer and the wear-resistant layer are respectively fixed on two sides of the metal layer, and the inner base layer is fixed on the surface of the screw rod.

Compared with the prior art, the utility model has the beneficial effects that: the protective layer arranged outside the threaded rod protects the strength and the wear resistance of the whole structure; the end cover arranged on the bolt head is convenient for covering and protecting the spline groove of the bolt when not in use, avoids the damage of the spline groove and ensures the use safety; the clamping block that the end cover set up is joined in marriage and the draw-in groove and the spliced eye that spliced pole cooperation bolt head set up, conveniently installs and elasticity the bolt, conveniently carries out the dismouting to the bolt under the no instrument condition.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a disassembled schematic view of the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 2 according to the present invention;

FIG. 4 is a front view of the present invention;

FIG. 5 is an enlarged view of the structure at B in FIG. 4 according to the present invention.

In the figure: the novel anti-wear groove comprises a screw rod 1, a threaded portion 2, a connecting column 3, a bolt head 4, an end cover 5, a first groove 6, a spline groove 7, a second groove 8, a clamping groove 9, an insertion hole 10, an insertion column 11, a clamping block 12, a rubber sleeve 13, an inner base layer 14, a metal layer 15 and a wear-resistant layer 16.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1, a first embodiment of the present invention provides a high-strength automobile seat locking fixing bolt, which includes a screw rod 1, a threaded portion 2, and a bolt head 4, wherein one end of the screw rod 1 is coaxially and fixedly connected to a connecting column 3, one end of the connecting column 3 is coaxially and fixedly connected to the bolt head 4, a second groove 8 is concavely disposed on an end portion, away from the screw rod 1, of the bolt head 4, and an end cover 5 is inserted into the second groove 8. During the use, penetrate car seat's locking position department through screw rod 1, use the spline screwdriver to insert spline groove 7 in, rotate screwdriver drive screw rod 1 and rotate, screw rod 1 rotates 2 threaded structure on the cooperation nut of back screw portion or the seat and fastens the installation, screws the back when screw rod 1, can lock the operation to the seat, through the inoxidizing coating that threaded rod 1 set up outward, protects overall structure's intensity and wear resistance.

Example 2

Referring to fig. 1 to 5, a second embodiment of the present invention is based on the previous embodiment, specifically, a first groove 6 is concavely disposed on a circular side wall of an end cover 5, the first groove 6 is in a circular structure, the circular structure facilitates the removal of the end cover 5, and meanwhile, an anti-slip tooth is disposed on a circular side wall of the end cover 5, so that friction force during operation is increased, and the rotation of the screw rod 1 is facilitated.

Specifically, a plurality of inserting holes 10 are concavely arranged on the edge of the side wall of the bolt head 4, a plurality of inserting columns 11 are fixedly connected to the edge of the side wall of the end cover 5, rubber sleeves 13 are fixedly sleeved outside the inserting columns 11, and the rubber sleeves 13 are matched with the inserting columns 11 to be inserted into the inserting holes 10. The rubber sleeve 13 increases the friction force between the insertion column 11 and the insertion hole 10, ensures the tightness of the end cover 5 during insertion, and prevents the end cover 5 from falling off.

Specifically, the central position of the side wall of the bolt head 4 is provided with a spline groove 7 in a concave manner, and the edge of the spline groove 7 is provided with a plurality of clamping grooves 9.

Specifically, the central position of end cover 5 is annularly fixedly connected with a plurality of clamping blocks 12 matched with clamping grooves 9, and clamping grooves 9 are matched with clamping blocks 12, so that the stability of connection between end cover 5 and bolt head 4 is ensured, and the bolt head 4 is conveniently rotated without using a screwdriver.

Specifically, the surface of the thread part 2 is provided with a protective layer, the protective layer comprises an inner base layer 14, a metal layer 15 and a wear-resistant layer 16, the inner base layer 14 and the wear-resistant layer 16 are respectively fixed on two sides of the metal layer 15, the inner base layer 14 is fixed on the surface of the screw rod 1, and the protective layer protects the strength and the wear resistance of the whole structure.

Example 3

Referring to fig. 1-5, a third embodiment of the present invention is based on the above two embodiments, and when in use, the screw 1 penetrates into a locking position of an automobile seat, a spline screwdriver is inserted into the spline groove 7, the screwdriver is rotated to drive the screw 1 to rotate, the screw portion 2 is matched with a nut or a thread structure on the seat to be fastened and installed after the screw 1 is rotated, the seat can be locked after the screw 1 is screwed, and the strength and the wear resistance of the whole structure are protected by a protective layer arranged outside the screw 1; the end cover 5 arranged on the bolt head 4 is convenient for covering and protecting the spline groove 7 concavely arranged on the bolt head 4 when the bolt is not used, so that the damage of the spline groove 7 is avoided, and the use safety is ensured; the clamping block 12 and the inserting column 11 arranged on the end cover 5 are matched with the clamping groove 9 and the inserting hole 10 arranged on the bolt head 4, so that the bolt is convenient to mount and loosen, and the bolt is convenient to dismount without tools; the rubber sleeve 13 that 11 outer fixed sockets of cartridge post were cup jointed has increased the frictional force of 11 and plug-in mounting holes 10 of cartridge post, and the fastening nature when having guaranteed 5 cartridges of end cover prevents that end cover 5 from droing, and the setting of first recess 6 is conveniently taken off end cover 5 simultaneously, and the convex outer wall of end cover 5 is equipped with anti-skidding tooth, conveniently rotates screw rod 1, has increased the frictional force when operating.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a high strength car seat locking anchor bolt, includes screw rod (1), screw thread portion (2) and bolt head (4), its characterized in that: the coaxial fixed connection spliced pole (3) of one end of screw rod (1), the coaxial fixed connection bolt head (4) of one end of spliced pole (3), the tip indent that screw rod (1) was kept away from in bolt head (4) is equipped with second recess (8), it has end cover (5) to peg graft in second recess (8).

2. The high-strength automobile seat locking fixing bolt as claimed in claim 1, wherein: the inner side wall of the circular ring of the end cover (5) is provided with a first groove (6) in a concave mode, and the first groove (6) is of a circular ring structure.

3. The high-strength automobile seat locking fixing bolt as claimed in claim 1, wherein: the bolt head structure is characterized in that a plurality of inserting holes (10) are concavely formed in the edge of the side wall of the bolt head (4), a plurality of inserting columns (11) are fixedly connected to the edge of the side wall of the end cover (5), rubber sleeves (13) are fixedly sleeved outside the inserting columns (11), and the rubber sleeves (13) are matched with the inserting columns (11) to be inserted into the inserting holes (10).

4. The high-strength automobile seat locking fixing bolt as claimed in claim 1, wherein: the bolt head (4) is characterized in that a spline groove (7) is concavely arranged in the center of the side wall of the bolt head, and a plurality of clamping grooves (9) are formed in the edge of the spline groove (7).

5. The high strength vehicle seat lock anchor bolt of claim 4, wherein: the center position of the end cover (5) is fixedly connected with a plurality of clamping blocks (12) matched with the clamping grooves (9) in an annular mode.

6. The high-strength automobile seat locking fixing bolt as claimed in claim 1, wherein: the surface of screw thread portion (2) is equipped with the inoxidizing coating and the inoxidizing coating includes interior basic unit (14), metal level (15), wearing layer (16), interior basic unit (14) and wearing layer (16) are fixed respectively and are fallen on the both sides of metal level (15), interior basic unit (14) are fixed on the surface of screw rod (1).