CN214888240U

CN214888240U - Spring screw fastener

Info

Publication number: CN214888240U
Application number: CN202120613991.6U
Authority: CN
Inventors: 宋德兵; 陈晓和; 陈晨
Original assignee: Haimen Zhengda Electronics Co ltd
Current assignee: Nantong Zhengda Electronics Co ltd
Priority date: 2021-03-26
Filing date: 2021-03-26
Publication date: 2021-11-26
Anticipated expiration: 2031-03-26

Abstract

The utility model discloses a spring screw fastener, which comprises a bolt head, wherein a stud is fixedly connected to the right side of the bolt head, a rubber pipe is sleeved on the outer side of the stud, and the rubber pipe plays a role in protecting the screw thread of the stud, the utility model discloses a bolt head is provided, the stud is fixedly connected to the right side of the bolt head, a rubber pipe is sleeved on the outer side of the stud and is used for protecting the stud, a spring is sleeved on the outer side of the rubber pipe and can prevent the screw from loosening, the right side of the stud is connected with a locking nut, a plastic bush is arranged in the locking nut and is movably connected with the locking nut, a metal threaded pipe is fixedly connected in the plastic bush and is used for being in threaded connection with the stud, a C-shaped positioning ring is welded with the locking nut and can prevent the plastic bush from loosening, a locking screw rod is connected to the locking nut through a thread and can play a role in locking the thread, preventing the nut from loosening.

Description

Spring screw fastener

Technical Field

The utility model relates to a screw fastener technical field specifically is a spring screw fastener.

Background

The spring screw fastener is a mechanical part used for fastening connection, has a wide variety and styles, and is a mechanical basic part which is most widely applied.

The prior art spring screw fastener still has some disadvantages in practical use, such as the nut is easy to loosen during the installation and disassembly process. To this end, we have introduced a spring screw fastener.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a spring screw fastener to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a spring screw fastener, includes the bolt head, the right side fixedly connected with double-screw bolt of bolt head, the outside cover of double-screw bolt has the rubber tube, and the rubber tube plays the effect of protection double-screw bolt screw thread.

The outside cover of rubber tube has the spring, can prevent that the double-screw bolt pine from taking off, the right side of double-screw bolt is connected with lock nut, lock nut's inside is equipped with the plastic bush, plastic bush and lock nut swing joint, prevents because the pine that the friction leads to takes off.

The inside fixedly connected with metal screwed pipe of plastic bush for be connected with the double-screw bolt, the outside of plastic bush is equipped with the rectangle recess, the inside of rectangle recess is equipped with C type holding ring, the left side joint of C type holding ring has the installation lid, C type holding ring and lock nut welding, there is locking screw through threaded connection on the lock nut.

In order to facilitate screwing, a first mounting plate is fixedly connected to the left side of the bolt head, and a cross-shaped groove is formed in the left side of the first mounting plate and used for a screwdriver.

In order to strengthen the protective performance, the outside cover of double-screw bolt has two annular mounting panels, two install the ripple protection tube between the annular mounting panel, be equipped with the impeller recess on the ripple protection tube.

The corrugated protection pipe is sleeved on the outer sides of the rubber pipe and the spring.

In order to prevent the plastic abrasion of the plastic bush, the locking nut is internally welded with an abrasion-proof ring, and the plastic bush is provided with a trapezoidal groove.

The metal threaded pipe is provided with a hole for the locking screw to penetrate through, and a cavity is formed inside the plastic liner.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses have the bolt head, the right side fixedly connected with double-screw bolt of bolt head, the outside cover of double-screw bolt has the rubber tube for the protection double-screw bolt, the outside cover of rubber tube has the spring, can prevent that the screw pine from taking off, and the right side of double-screw bolt is connected with lock nut, and lock nut's inside is equipped with the plastic bush, plastic bush and lock nut swing joint, the inside fixedly connected with metal screwed pipe of plastic bush for pass through threaded connection with the double-screw bolt, C type holding ring and lock nut welding can prevent that the plastic bush is not hard up, have lock screw through threaded connection on the lock nut, can play lock screw's effect, prevent that the nut pine from taking off.

Drawings

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

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

fig. 3 is a schematic structural view of the locking nut of the present invention.

In the figure: 1. a first mounting plate; 2. a rubber tube; 3. a cross-shaped groove; 4. locking the nut; 5. a bolt head; 6. a corrugated protection pipe; 7. a spring; 8. an annular mounting plate; 9. a stud; 10. a wave wheel groove; 11. a cavity; 12. a rectangular groove; 13. installing a cover; 14. a trapezoidal groove; 15. a C-shaped positioning ring; 16. an anti-abrasion ring; 17. a plastic bushing; 18. locking the screw rod; 19. a metal threaded pipe.

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 work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a spring screw fastener, includes bolt head 5, the right side fixedly connected with double-screw bolt 9 of bolt head 5, the outside cover of double-screw bolt 9 has rubber tube 2, and rubber tube 2 plays the effect of protection double-screw bolt 9 screw thread.

The outside cover of rubber tube 2 has spring 7, can prevent that double-screw bolt 9 from getting loose.

The right side of double-screw bolt 9 is connected with lock nut 4, lock nut 4's inside is equipped with plastic bush 17, plastic bush 17 and lock nut 4 swing joint, prevents because the pine that the friction leads to takes off, plastic bush 17's inside fixedly connected with metal thread pipe 19, plastic bush 17's the outside is equipped with rectangle recess 12, the inside of rectangle recess 12 is equipped with C type holding ring 15, and C type holding ring 15 can play the positioning action to plastic bush 17, prevents that plastic bush 17 from reciprocating, C type holding ring 15's left side joint has installation lid 13, C type holding ring 15 and lock nut 4 welding, there is locking screw 18 through threaded connection on the lock nut 4.

The left side fixedly connected with first mounting panel 1 of bolt head 5, the left side of first mounting panel 1 is equipped with cross recess 3.

The outer side cover of double-screw bolt 9 has two annular mounting panels 8, two install ripple protection tube 6 between the annular mounting panel 8, be equipped with wave wheel recess 10 on the ripple protection tube 6.

The corrugated protection pipe 6 is sleeved on the outer sides of the rubber pipe 2 and the spring 7.

An anti-abrasion ring 16 is welded inside the locking nut 4, and a trapezoidal groove 14 is formed in the plastic bushing 17.

The metal threaded pipe 19 is provided with a hole for the penetration of the locking screw 18, and the plastic bushing 17 is internally provided with a cavity 11.

Specifically, during the use, this spring screw fastener has bolt head 5, the right side fixedly connected with double-screw bolt 9 of bolt head 5, the outside cover of double-screw bolt 9 has rubber tube 2 for protect double-screw bolt 9, the outside cover of rubber tube 2 has spring 7, can prevent that the screw pine from taking off, and the right side of double-screw bolt 9 is connected with lock nut 4, and lock nut 4's inside is equipped with plastic bush 17, plastic bush 17 and lock nut 4 swing joint, and the inside fixedly connected with metal threaded pipe 19 of plastic bush 17 is used for passing through threaded connection with double-screw bolt 9, C type holding ring 15 and lock nut 4 welding can prevent that plastic bush 17 from becoming flexible, have lock screw 18 through threaded connection on the lock nut 4, can play lock thread's effect, prevent that the nut pine from taking off.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A spring screw fastener comprising a bolt head (5), characterized in that: the utility model discloses a bolt, including bolt head (5), right side fixedly connected with double-screw bolt (9), the outside cover of double-screw bolt (9) has rubber tube (2), the outside cover of rubber tube (2) has spring (7), the right side of double-screw bolt (9) is connected with lock nut (4), the inside of lock nut (4) is equipped with plastic bush (17), the inside fixedly connected with metal screwed pipe (19) of plastic bush (17), the outside of plastic bush (17) is equipped with rectangle recess (12), the inside of rectangle recess (12) is equipped with C type holding ring (15), the left side joint of C type holding ring (15) has installation lid (13), C type holding ring (15) and lock nut (4) welding, there is locking screw (18) through threaded connection on lock nut (4).

2. A spring screw fastener according to claim 1, wherein: the bolt head comprises a bolt head (5), wherein a first mounting plate (1) is fixedly connected to the left side of the bolt head (5), and a cross groove (3) is formed in the left side of the first mounting plate (1).

3. A spring screw fastener according to claim 1, wherein: the outside cover of double-screw bolt (9) has two annular mounting panel (8), two install ripple protection tube (6) between annular mounting panel (8), be equipped with impeller recess (10) on ripple protection tube (6).

4. A spring screw fastener according to claim 3, wherein: the corrugated protection pipe (6) is sleeved on the outer sides of the rubber pipe (2) and the spring (7).

5. A spring screw fastener according to claim 1, wherein: the anti-abrasion ring (16) is welded inside the locking nut (4), and a trapezoidal groove (14) is formed in the plastic bushing (17).

6. A spring screw fastener according to claim 1, wherein: the metal threaded pipe (19) is provided with a hole for the locking screw rod (18) to penetrate through, and the plastic bushing (17) is internally provided with a cavity (11).