CN215444714U

CN215444714U - Bolt with shockproof locking function

Info

Publication number: CN215444714U
Application number: CN202121992534.9U
Authority: CN
Inventors: 刘勇
Original assignee: Shandong Qihe Standard Parts Co ltd
Current assignee: Shandong Qihe Standard Parts Co ltd
Priority date: 2021-08-23
Filing date: 2021-08-23
Publication date: 2022-01-07
Anticipated expiration: 2031-08-23

Abstract

The utility model discloses a bolt with shockproof and anti-loosening functions, which comprises a screw rod, wherein the upper end of the screw rod is fixedly connected with a bolt head, the surface of the screw rod is fixedly connected with a gasket, the surface of the bolt head is in threaded connection with a locking bolt, the surface of the screw rod is in threaded connection with a round nut, the surface of the round nut is provided with a connecting groove, the inner wall of the connecting groove is in sliding connection with a telescopic column, the surface of the telescopic column is in threaded connection with a hexagon nut, the surface of the screw rod is provided with a limiting groove, the inner wall of the limiting groove is fixedly connected with a sleeve, and the inner wall of the sleeve is fixedly connected with a telescopic spring. This bolt with locking function takes precautions against earthquakes through setting up sleeve, lug, expanding spring and flexible post, passes the position of the part that needs to be fixed with the screw rod, presses down the lug, rotates circular nut to fix the part, the lug can bounce again and support circular nut because expanding spring's elasticity, can effectually prevent that the machine vibrations from leading to taking place between screw rod and the circular nut not hard up.

Description

Bolt with shockproof locking function

Technical Field

The utility model relates to the technical field of bolt vibration prevention, in particular to a bolt with vibration prevention and looseness prevention functions.

Background

Bolt: mechanical parts, cylindrical threaded fasteners with nuts, and fasteners of the type consisting of a head and a screw, need to be matched with the nuts for fastening and connecting two parts with through holes, and the connection form is called bolt connection.

Traditional bolt simple structure does not possess shockproof and locking function, has following shortcoming: in industrial production, traditional bolt is easy to be become flexible with the nut when receiving the impact of vibrations, can lead to taking place to drop between the machine parts, has certain potential safety hazard.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a bolt with vibration-proof and anti-loosening functions, so as 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 bolt with locking function takes precautions against earthquakes, the electric pressure cooker comprises a screw rod, screw rod upper end fixedly connected with bolt head, the fixed surface of screw rod is connected with the packing ring, the surperficial threaded connection of bolt head has locking bolt, the surperficial threaded connection of screw rod has circular nut, the spread groove has been seted up on the surface of circular nut, the inner wall sliding connection of spread groove has flexible post, the surperficial threaded connection of flexible post has hexagon nut, the restriction groove has been seted up on the surface of screw rod, the inner wall fixedly connected with sleeve in restriction groove, telescopic inner wall fixedly connected with expanding spring, expanding spring's one end fixedly connected with lug.

Preferably, a reinforcing rib is fixedly connected between the bolt head and the washer.

Preferably, the lower end of the locking bolt is fixedly connected with an anti-slip block, and a compression spring is sleeved on the surface of the locking bolt.

Preferably, the surface of the lug is connected with the inner wall of the sleeve in a sliding mode, and the number of the lugs is two.

Preferably, the lower end of the gasket is fixedly connected with an anti-skid rubber ring.

Preferably, the washer is made of iron, and the surface of the bolt head is clamped with the anti-theft shell.

Advantageous effects

The utility model provides a bolt with shockproof and anti-loosening functions, which has the following beneficial effects:

1. this bolt with locking function takes precautions against earthquakes, through setting up the sleeve, the lug, expanding spring and flexible post, when using, pass the position of the part that needs the fixing with the screw rod, press the lug, rotate circular nut, thereby fix the part, the lug is because expanding spring's elasticity, can bounce again and support circular nut, insert flexible post in the spread groove, make flexible post support the surface of part, screw up hexagon nut, fix flexible post, can effectually prevent that the machine vibrations from leading to taking place between screw rod and the circular nut not hard up.

2. This bolt with locking function takes precautions against earthquakes through setting up packing ring, locking bolt, non slipping spur and compression spring, during the use, screws up the locking bolt, makes the non slipping spur of locking bolt lower extreme support the bolt head, and the effort of formation can be used in the bolt head, avoids machine parts to take place not hard up because of vibrations to a certain extent, through setting up the theftproof shell, can effectually avoid the device stolen, improves the practicality of device.

Drawings

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

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

FIG. 3 is a perspective view of a circular nut;

fig. 4 is an enlarged schematic view of a portion a in fig. 2.

In the figure: 1 screw rod, 2 bolt heads, 3 washers, 4 locking bolts, 5 telescopic columns, 6 sleeves, 7 telescopic springs, 8 bumps, 9 reinforcing ribs, 10 compression springs, 11 anti-skid rubber rings, 12 anti-theft shells and 13 round nuts.

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.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a bolt with locking function takes precautions against earthquakes, includes

screw rod

1, 1 upper end fixedly connected with bolt head 2 of screw rod, and the surperficial joint of bolt head 2 has theftproof shell 12, and through setting up theftproof shell 12, can effectually avoid the bolt stolen, improves the practicality of device, and the fixed surface of screw rod 1 is connected with packing ring 3, fixedly connected with strengthening rib 9 between bolt head 2 and the packing ring 3, and the lower extreme fixedly connected with anti-skidding rubber circle 11 of packing ring 3, the material of packing ring 3 are iron.

The surperficial threaded connection of bolt head 2 has locking bolt 4, the surperficial threaded connection of screw rod 1 has circular nut 13, the lower extreme fixedly connected with non slipping spur of locking bolt 4, the surface cover of locking bolt 4 is equipped with compression spring 10, through setting up packing ring 3, locking bolt 4, non slipping spur and compression spring 10, in use, screw up locking bolt 4, the non slipping spur that makes 4 lower extremes of locking bolt supports bolt head 2, the effort of formation can be acted on the bolt body, avoid machine parts to take place to become flexible because of vibrations to a certain extent, the spread groove has been seted up on the surface of circular nut 13.

The inner wall sliding connection of spread groove has flexible post 5, and the surperficial threaded connection of flexible post 5 has hexagon nut, and the restriction groove has been seted up on the surface of screw rod 1, and the inner wall fixedly connected with sleeve 6 in restriction groove, the inner wall fixedly connected with expanding spring 7 of sleeve 6, the one end fixedly connected with lug 8 of expanding spring 7, the surface of lug 8 and the inner wall sliding connection of sleeve 6, the quantity of lug 8 is two.

Through setting up sleeve 6, lug 8, expanding spring 7 and flexible post 5, when using, pass the position of the part that needs to be fixed with screw rod 1, press down lug 8, rotate circular nut 13, thereby fix the part, lug 8 is because expanding spring 7's elasticity, can bounce again and support circular nut 13, insert flexible post 5 in the spread groove, make flexible post 5 support the surface of part, screw up hexagon nut, fix flexible post 5, can effectually prevent that the machine vibrations from leading to taking place to become flexible between screw rod 1 and the circular nut 13.

The working principle is as follows: when using this bolt with locking function takes precautions against earthquakes, pass the position that the part needs to be fixed with screw rod 1, press down lug 8, screw up circular nut 13, thereby fix the part, lug 8 is because expanding spring 7's elasticity, can bounce again and support circular nut 13, insert flexible post 5 in the spread groove after that, make flexible post 5 support the surface of part, screw up hexagon nut, can fix flexible post 5, screw up locking bolt 4, the non slipping spur that makes locking bolt 4 lower extreme supports bolt head 2, the effort of formation can be used in bolt head 2, can effectually prevent vibrations to lead to taking place between screw rod 1 and the circular nut 13 not hard up, through setting up theftproof shell 12, can effectually avoid the device stolen, improve the practicality of device.

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 bolt with locking function takes precautions against earthquakes, includes screw rod (1), its characterized in that: screw rod (1) upper end fixedly connected with bolt head (2), fixed surface of screw rod (1) is connected with packing ring (3), the threaded connection of surface of bolt head (2) has locking bolt (4), the threaded connection of surface of screw rod (1) has circular nut (13), the spread groove has been seted up on the surface of circular nut (13), the inner wall sliding connection of spread groove has flexible post (5), the threaded connection of surface of flexible post (5) has hexagon nut, the restriction groove has been seted up on the surface of screw rod (1), the inner wall fixedly connected with sleeve (6) in restriction groove, the inner wall fixedly connected with expanding spring (7) of sleeve (6), the one end fixedly connected with lug (8) of expanding spring (7).

2. The bolt with the functions of preventing vibration and loosening according to claim 1, wherein: and a reinforcing rib (9) is fixedly connected between the bolt head (2) and the washer (3).

3. The bolt with the functions of preventing vibration and loosening according to claim 1, wherein: the lower extreme fixedly connected with non-slipping spur of locking bolt (4), the surface cover of locking bolt (4) is equipped with compression spring (10).

4. The bolt with the functions of preventing vibration and loosening according to claim 1, wherein: the surface of the convex block (8) is connected with the inner wall of the sleeve (6) in a sliding way, and the number of the convex blocks (8) is two.

5. The bolt with the functions of preventing vibration and loosening according to claim 1, wherein: the lower end of the gasket (3) is fixedly connected with an anti-skid rubber ring (11).

6. The bolt with the functions of preventing vibration and loosening according to claim 1, wherein: the washer (3) is made of iron, and the surface of the bolt head (2) is clamped with the anti-theft shell (12).