CN215861252U

CN215861252U - Locking theftproof high strength bolt

Info

Publication number: CN215861252U
Application number: CN202121992692.4U
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: 2022-02-18
Anticipated expiration: 2031-08-23

Abstract

The utility model discloses an anti-loosening anti-theft high-strength bolt which comprises a screw rod, wherein a nut is connected to the surface of the screw rod in a threaded manner, a vertical plate is fixedly arranged at one end of the upper surface of the screw rod, the top of the vertical plate is rotatably connected with a connecting rod through a rotating shaft, a square tube is fixedly arranged on the upper surface of the nut, a limiting strip is fixedly arranged at the bottom of the connecting rod, the limiting strip is positioned inside the square tube and penetrates through the nut and extends to the inside of the screw rod, a screw rod is inserted into one end of the screw rod, a screw hole for the screw rod to be in threaded connection is formed in one end of the screw rod, and a pentagonal hole is formed in one end, away from the screw rod, of the screw rod. This locking theftproof high strength bolt through setting up spacing, lead screw, pentagonal hole and recess cooperation, realizes carrying out spacing purpose to the nut, has reached and has prevented that the nut is not hard up and stolen effect, has guaranteed the security that the bolt used, has also improved the work efficiency of bolt simultaneously, has made things convenient for staff's use.

Description

Locking theftproof high strength bolt

Technical Field

The utility model relates to the technical field of anti-theft bolts, in particular to an anti-loosening anti-theft high-strength bolt.

Background

A bolt is a mechanical part, a cylindrical threaded fastener matched with a nut is a fastener consisting of a head part and a screw (a cylinder with external threads), and the fastener is matched with the nut and used for fastening and connecting two parts with through holes.

However, in the process of using the bolt in the current market, the bolt is easy to loosen and disassemble, so that the bolt is loosened and easy to steal, the fixation of the bolt on a component is influenced, and therefore the anti-loosening anti-theft high-strength bolt is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an anti-loose and anti-theft high-strength 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 locking theftproof high strength bolt, includes the screw rod, the surperficial threaded connection of screw rod has the nut, and the one end fixed mounting of screw rod upper surface has the riser, and the top of riser rotates through the pivot to be connected with the connecting rod, and the last fixed surface of nut installs square pipe, and the bottom fixed mounting of connecting rod has spacing, and spacing is located the inside of square pipe, and just spacing runs through the nut and extends to the inside of screw rod.

The lead screw is inserted to the one end of screw rod and is equipped with the lead screw, and the screw that supplies lead screw threaded connection is seted up to the one end of screw rod, and the lead screw is kept away from the one end of screw rod and is seted up the pentagon hole, and the lead screw is located the inside one end of screw rod and runs through spacing and extend to the outside of spacing.

Preferably, the limiting strip is provided with a through hole, and the through hole is in threaded connection with the screw rod.

Preferably, the lower surface of the connecting rod is in contact with the upper surface of the square pipe, and the limiting strip is made of spring steel.

Preferably, the bottom of the inner ring of the nut is provided with a groove, the bottom of the limiting strip is in contact with the inner bottom wall of the groove, and the limiting strip is matched with the groove.

Preferably, the screw rod is provided with a square hole for the limiting strip to pass through, and the inner wall of the square hole is in contact with the surface of the limiting strip.

Preferably, the limiting strip can deform in the square tube, and the bending angle of the limiting strip is 15-25 degrees.

Advantageous effects

The utility model provides an anti-loose anti-theft high-strength bolt which has the following beneficial effects:

1. this locking theftproof high strength bolt through setting up spacing, lead screw, pentagonal hole and recess cooperation, realizes carrying out spacing purpose to the nut, has reached and has prevented that the nut is not hard up and stolen effect, has guaranteed the security that the bolt used, has also improved the work efficiency of bolt simultaneously, has made things convenient for staff's use.

2. This locking theftproof high strength bolt through setting up riser, connecting rod and side pipe cooperation, realizes carrying out the purpose of accomodating to spacing, has reached after dismantling, prevents the effect of spacing loss, has guaranteed that the supporting accessory of bolt is complete, has made things convenient for later stage staff's use, has also improved the safety in utilization of bolt simultaneously.

Drawings

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

FIG. 2 is a schematic view of the internal structure of the square tube of the present invention;

FIG. 3 is a schematic view of the internal connection structure of the nut and the screw of the present invention.

In the figure: 1 screw rod, 2 nuts, 3 vertical plates, 4 connecting rods, 5 square tubes, 6 limiting strips, 7 lead screws, 8 pentagonal holes, 9 grooves and 10 screw holes.

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. 1-3, the present invention provides a technical solution: a locking theftproof high strength bolt comprises a screw rod 1, a square hole for a limit strip 6 to pass through is arranged on the screw rod 1, the inner wall of the square hole is in contact with the surface of the limit strip 6, a nut 2 is in threaded connection with the surface of the screw rod 1, a groove 9 is arranged at the bottom of the inner ring of the nut 2, the bottom of the limit strip 6 is in contact with the inner bottom wall of the groove 9, the limit strip 6 is matched with the groove 9, a vertical plate 3 is fixedly arranged at one end of the upper surface of the screw rod 1, the top of the vertical plate 3 is rotatably connected with a connecting rod 4 through a rotating shaft, the lower surface of the connecting rod 4 is in contact with the upper surface of a square tube 5, the limit strip 6 is made of spring steel, a square tube 5 is fixedly arranged on the upper surface of the nut 2, the bottom of the connecting rod 4 is fixedly provided with the limit strip 6, the limit strip 6 is positioned inside the square tube 5, the limit strip 6 penetrates through the nut 2 and extends to the inside of the screw rod 1, a through hole is arranged on the limit strip 6, and the through hole is in threaded connection with the screw rod 7, the limiting strip 6 can deform in the square tube 5, and the bending angle of the limiting strip 6 is 15-25 degrees.

Set up riser 3, connecting rod 4 and square 5 cooperations of pipe, realize carrying out the purpose of accomodating spacing 6, reached after dismantling, prevented the effect of spacing 6 losses, guaranteed that the supporting accessory of bolt is complete, made things convenient for later stage staff's use, also improved the safety in utilization of bolt simultaneously.

A screw rod 7 is inserted into one end of the screw rod 1, a screw hole 10 for the screw rod 7 to be in threaded connection is formed in one end of the screw rod 1, a pentagonal hole 8 is formed in one end, away from the screw rod 1, of the screw rod 7, and one end, located inside the screw rod 1, of the screw rod 7 penetrates through the limiting strip 6 and extends to the outside of the limiting strip 6.

Set up spacing 6, lead screw 7, pentagon hole 8 and recess 9 cooperation, realize carrying out spacing purpose to nut 2, reached and prevented that nut 2 is not hard up and stolen effect, guaranteed the security that the bolt used, also improved the work efficiency of bolt simultaneously, made things convenient for staff's use.

The working principle is as follows: when the bolt is used, a special pentagonal spanner is adopted to loosen the screw rod 7, then the screw rod 7 is separated from the screw rod 1, then the connecting rod 4 is pulled, the limiting strip 6 is pulled out of the square tube 5, then the nut 2 is rotated through the spanner, the nut 2 is separated from the screw rod 1, then the screw rod 1 is fixed on a position needing to be fixed, the nut 2 is screwed tightly, then the limiting strip 6 is inserted, and then the screw rod 7 is screwed tightly.

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 locking theftproof high strength bolt, includes screw rod (1), its characterized in that: the screw rod structure is characterized in that a nut (2) is connected to the surface of the screw rod (1) in a threaded mode, a vertical plate (3) is fixedly installed at one end of the upper surface of the screw rod (1), the top of the vertical plate (3) is rotatably connected with a connecting rod (4) through a rotating shaft, a square pipe (5) is fixedly installed on the upper surface of the nut (2), a limiting strip (6) is fixedly installed at the bottom of the connecting rod (4), the limiting strip (6) is located inside the square pipe (5), and the limiting strip (6) penetrates through the nut (2) and extends into the screw rod (1);

the screw rod (7) is inserted into one end of the screw rod (1), a screw hole (10) for the screw rod (7) to be in threaded connection is formed in one end of the screw rod (1), a pentagonal hole (8) is formed in one end, far away from the screw rod (1), of the screw rod (7), and one end, located inside the screw rod (1), of the screw rod (7) penetrates through the limiting strips (6) and extends to the outside of the limiting strips (6).

2. The anti-loosening anti-theft high-strength bolt according to claim 1, characterized in that: the limiting strip (6) is provided with a through hole, and the through hole is in threaded connection with the screw rod (7).

3. The anti-loosening anti-theft high-strength bolt according to claim 1, characterized in that: the lower surface of the connecting rod (4) is in contact with the upper surface of the square pipe (5), and the limiting strip (6) is made of spring steel.

4. The anti-loosening anti-theft high-strength bolt according to claim 1, characterized in that: the bottom of the inner ring of the nut (2) is provided with a groove (9), the bottom of the limiting strip (6) is in contact with the inner bottom wall of the groove (9), and the limiting strip (6) is matched with the groove (9).

5. The anti-loosening anti-theft high-strength bolt according to claim 1, characterized in that: the screw rod (1) is provided with a square hole for the limiting strip (6) to pass through, and the inner wall of the square hole is in contact with the surface of the limiting strip (6).

6. The anti-loosening anti-theft high-strength bolt according to claim 1, characterized in that: the limiting strip (6) can deform in the square tube (5), and the bending angle of the limiting strip (6) is 15-25 degrees.