CN214465486U

CN214465486U - Anti-falling bolt for assembling steel structure

Info

Publication number: CN214465486U
Application number: CN202120175159.2U
Authority: CN
Inventors: 黄平辉; 张亚养; 潘礼亮
Original assignee: Guangdong Hongshun Steel Structure Engineering Co ltd
Current assignee: Guangdong Hongshun Steel Structure Engineering Co ltd
Priority date: 2021-01-22
Filing date: 2021-01-22
Publication date: 2021-10-22
Anticipated expiration: 2031-01-22

Abstract

The utility model discloses an anti-drop bolt for assembling a steel structure, which comprises a bolt body and a nut, wherein an annular metal plate is arranged below the nut and is rotationally connected with the bolt body through threads, the edge of the upper surface of the annular metal plate is symmetrically welded with a sleeve, the end part of the sleeve is movably connected with a support rod, the top end of the support rod is welded with a top plate, the upper surface of the top plate is embedded with balls, the bottom end of the support rod is integrally formed with a bottom plate, a hard spring is arranged in the inner cavity of the sleeve, a clamping sheet is symmetrically arranged below the annular metal plate, one side edge of the clamping sheet is bonded with a rubber sheet, the utility model discloses a bolt which is characterized in that under the action of pressure, the support rod is pressed into the inner side of the sleeve, the bottom plate compresses and deforms the hard spring arranged at the inner side of the sleeve, and simultaneously applies a reverse acting force to the support rod through the elastic acting force of the hard spring, the supporting rod is abutted against the nut, so that the nut can be effectively prevented from loosening, and the combination stability of the steel structure can be improved.

Description

Anti-falling bolt for assembling steel structure

Technical Field

The utility model relates to a building fastener technical field specifically is a steel construction is anticreep bolt for equipment.

Background

The fastener is a mechanical part which is used for fastening connection and has extremely wide application. The fastener is widely used in the industries including energy, electronics, electrical appliances, machinery, chemical industry, metallurgy, molds, hydraulic pressure and the like, and various fasteners can be seen on various machines, equipment, vehicles, ships, railways, bridges, buildings, structures, tools, instruments, chemical industry, instruments, supplies and the like, and are the most widely applied mechanical basic parts. It features various varieties and specifications, different functions and usages, and very high standardization, serialization and universalization degrees.

However, the conventional bolt for assembling the steel structure has the following disadvantages:

the existing bolt for assembling the steel structure has the problem that the nut on the bolt is loosened due to vibration after the bolt is installed, so that the assembling stability of the steel structure is influenced.

Disclosure of Invention

An object of the utility model is to provide an anticreep bolt is used in steel construction equipment to current bolt is used in the steel construction equipment in solving above-mentioned background art after the installation, because the vibration can lead to the nut on the bolt to appear not hard up phenomenon, thereby influences the problem of the equipment stability of steel construction.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a steel construction is anticreep bolt for equipment, includes bolt body and nut, the nut below is equipped with annular metal sheet, and annular metal sheet and bolt body screw thread rotate to be connected, the symmetrical welding of annular metal sheet upper surface edge has the sleeve pipe, sleeve pipe tip swing joint has branch, the welding of branch top has the roof, the surface mosaic has the ball on the roof, branch bottom integrated into one piece has the bottom plate, the stereoplasm spring is installed to the sleeve pipe inner chamber, annular metal sheet below symmetry is equipped with the card, card one side edge department bonds and has glued the skin, the draw-in groove has been seted up to bolt body outer wall symmetry.

Preferably, a groove is formed in the joint of the ball and the upper surface of the top plate, the ball is abutted to the lower surface of the nut and is matched with the top plate to roll, so that the friction force between the top plate and the nut can be effectively reduced, and the rotation of the annular metal plate is facilitated.

Preferably, the bottom plate is located the sleeve pipe inboard, the stereoplasm spring top is with bottom plate lower surface looks butt, will set up the stereoplasm spring compression deformation in the sleeve pipe inboard through the bottom plate, and a reverse effort is applyed for branch through the elastic force of stereoplasm spring self simultaneously, makes branch support nut, can effectually prevent that the nut from becoming flexible.

Preferably, the top opening of the inner cavity of the sleeve is provided with a limiting ring, and the supporting rod can be effectively prevented from being separated from the sleeve by the abutment of the bottom plate and the limiting ring.

Preferably, the card is the triangle-shaped structure setting, the card links to each other with the draw-in groove grafting, rubber and draw-in groove laminating mutually, rubber and draw-in groove inner wall laminating mutually, can effectually fill the space of card and draw-in groove combination department, prevent that the card from dropping.

Preferably, the bottom end of the clamping groove penetrates through the bottom end of the bolt body, so that the clamping piece can be conveniently inserted.

The utility model provides an anticreep bolt is used in steel construction equipment possesses following beneficial effect:

(1) the utility model discloses an install the nut on the bolt body, and it is corresponding with bolt body bottom through making annular metal sheet, make annular metal sheet rotate with the bolt body simultaneously and be connected and make annular metal sheet remove along the bolt body, and then make ball and nut lower surface looks butt, through continuing to rotate annular metal sheet, and then make ball cooperation roof roll, can effectual frictional force between reduction roof and the nut, through under the effect at pressure, branch is impressed to the sleeve pipe inboard, make the bottom plate will set up the stereoplasm spring compression deformation at the sleeve pipe inboard simultaneously, a reverse effort is applyed for branch through the elastic force of stereoplasm spring self, make branch support the nut, can effectually prevent that the nut is not hard up, thereby can improve the combination stability of steel construction.

(2) The utility model discloses a peg graft the card to the draw-in groove inboard, make rubber and draw-in groove inner wall laminate mutually simultaneously, can effectually fill the card and the space of draw-in groove combination department prevents that the card from dropping to top and the looks butt of annular metal sheet lower surface through the card, can effectually prevent that the annular metal sheet is not hard up, and then can effectually prevent that the nut is not hard up.

Drawings

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

FIG. 2 is a schematic view of the cross-sectional structure of the sleeve of the present invention;

FIG. 3 is a schematic view of the card structure of the present invention;

fig. 4 is a schematic view of the cross-sectional structure of the bolt body of the present invention.

In the figure: 1. a bolt body; 101. a nut; 2. an annular metal plate; 3. a sleeve; 301. a strut; 302. a top plate; 303. a ball bearing; 304. a base plate; 305. a hard spring; 306. a limiting ring; 4. a card; 401. rubber sheets; 5. a clamping groove.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

As shown in fig. 1-4, the utility model provides a technical solution: the utility model provides a steel construction is anticreep bolt for equipment, includes bolt body 1 and nut 101, nut 101 below is equipped with annular metal sheet 2, and annular metal sheet 2 and 1 screw thread of bolt body rotate to be connected, the symmetrical welding of 2 upper surface edges of annular metal sheet has

sleeve pipe

3, 3 end swing joint of sleeve pipe has branch 301, the welding of branch 301 top has roof 302, roof 302 upper surface inlays has ball 303, branch 301 bottom integrated into one piece has bottom plate 304, stereoplasm spring 305 is installed to 3 inner chambers of sleeve pipe, 2 below symmetries of annular metal sheet are equipped with

card

4, 4 side edges of card bond there is rubber 401, draw-in groove 5 has been seted up to 1 outer wall symmetry of bolt body.

By installing the nut 101 on the bolt body 1, making the annular metal plate 2 correspond to the bottom end of the bolt body 1, making the annular metal plate 2 rotate and connect with the bolt body 1 to make the annular metal plate 2 move along the bolt body 1, making the balls 303 abut against the lower surface of the nut 101, making the balls 303 roll in cooperation with the top plate 302 by continuing to rotate the annular metal plate 2, the friction force between the top plate 302 and the nut 101 can be effectively reduced, by pressing the support rod 301 to the inner side of the sleeve 3 under the action of pressure, making the bottom plate 304 compress and deform the hard spring 305 arranged at the inner side of the sleeve 3, and applying a reverse acting force to the support rod 301 by the elastic acting force of the hard spring 305, making the support rod 301 abut against the nut 101, the nut 101 can be effectively prevented from loosening, thereby the combination stability of the steel structure can be improved, by inserting the clamping sheet 4 to the inner side of the clamping groove 5, make rubber 401 and draw-in groove 5 inner wall laminate mutually simultaneously, can effectually fill the space of card 4 and draw-in groove 5 combination department, prevent that card 4 from dropping to top through card 4 and the 2 lower surface looks butt of annular metal sheet, can effectually prevent that annular metal sheet 2 is not hard up, and then can effectually prevent that nut 101 is not hard up.

The combination position of the ball 303 and the upper surface of the top plate 302 is provided with a groove, the ball 303 is abutted against the lower surface of the nut 101, and the ball 303 is matched with the top plate 302 to roll, so that the friction force between the top plate 302 and the nut 101 can be effectively reduced, and the rotation of the annular metal plate 2 is facilitated.

The bottom plate 304 is positioned inside the sleeve 3, the top end of the hard spring 305 is abutted against the lower surface of the bottom plate 304, the hard spring 305 arranged inside the sleeve 3 is compressed and deformed through the bottom plate 304, meanwhile, a reverse acting force is applied to the support rod 301 through the elastic acting force of the hard spring 305, the support rod 301 is abutted against the nut 101, and the nut 101 can be effectively prevented from loosening.

The top opening of the inner cavity of the sleeve 3 is provided with a limiting ring 306, and the supporting rod 301 can be effectively prevented from being separated from the sleeve 3 by the abutting of the bottom plate 304 and the limiting ring 306.

Card 4 is the triangle-shaped structure setting, card 4 links to each other with draw-in groove 5 grafting, rubber 401 laminates with draw-in groove 5 mutually, and rubber 401 laminates with draw-in groove 5 inner wall mutually, and the space that can effectual filling card 4 and draw-in groove 5 combination department prevents that card 4 from dropping.

The bottom end of the clamping groove 5 penetrates through the bottom end of the bolt body 1, so that the card 4 can be conveniently inserted.

It should be noted that, in operation, the anti-drop bolt for assembling a steel structure is configured such that the nut 101 is mounted on the bolt body 1, the annular metal plate 2 is made to correspond to the bottom end of the bolt body 1, the annular metal plate 2 is rotatably connected to the bolt body 1 such that the annular metal plate 2 moves along the bolt body 1, the balls 303 are made to abut against the lower surface of the nut 101, the balls 303 are made to roll in cooperation with the top plate 302 by continuously rotating the annular metal plate 2, thereby effectively reducing the friction force between the top plate 302 and the nut 101, the strut 301 is pressed into the inner side of the sleeve 3 under the action of pressure, the bottom plate 304 is made to compress and deform the hard spring 305 disposed inside the sleeve 3, and the strut 301 is made to abut against the nut 101 by applying a reverse acting force to the strut 301 through the elastic acting force of the hard spring 305 itself, thereby effectively preventing the nut 101 from loosening, therefore, the combination stability of the steel structure can be improved, the card 4 is inserted into the inner side of the slot 5, the rubber 401 is attached to the inner wall of the slot 5, the gap at the joint of the card 4 and the slot 5 can be effectively filled, the card 4 is prevented from falling off, the annular metal plate 2 can be effectively prevented from loosening by abutting the top end of the card 4 against the lower surface of the annular metal plate 2, the nut 101 can be effectively prevented from loosening, the groove is arranged at the joint of the ball 303 and the upper surface of the top plate 302, the ball 303 abuts against the lower surface of the nut 101, the friction between the top plate 302 and the nut 101 can be effectively reduced by the ball 303 in cooperation with the top plate 302 to roll, the rotation of the annular metal plate 2 is facilitated, the bottom plate 304 is positioned inside the sleeve 3, the top end of the hard spring 305 abuts against the lower surface of the bottom plate 304, and the hard spring 305 arranged inside the sleeve 3 is compressed and deformed by the bottom plate 304, simultaneously, exert a reverse effort for branch 301 through the elastic force of stereoplasm spring 305 self, make branch 301 support nut 101, can effectually prevent that nut 101 is not hard up, bushing 3 inner chamber top mouth department installs spacing ring 306, through bottom plate 304 and spacing ring 306 looks butt, can effectually prevent that branch 301 from breaking away from bushing 3, card 4 is the triangle-shaped structure setting, card 4 links to each other with draw-in groove 5 grafting, rubber 401 laminates with draw-in groove 5 mutually, and rubber 401 laminates with draw-in groove 5 inner wall mutually, and the space that can effectual filling card 4 and draw-in groove 5 combination department prevents that card 4 from dropping, 1 bottom of draw-in groove 5 bottom through bolt body makes things convenient for the grafting of card 4.

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. The utility model provides an anticreep bolt is used in steel construction equipment, includes bolt body (1) and nut (101), its characterized in that: nut (101) below is equipped with annular metal sheet (2), and annular metal sheet (2) and bolt body (1) screw thread rotation are connected, the symmetrical welding of annular metal sheet (2) upper surface edge has sleeve pipe (3), sleeve pipe (3) tip swing joint has branch (301), the welding of branch (301) top has roof (302), roof (302) upper surface inlays and has ball (303), branch (301) bottom integrated into one piece has bottom plate (304), stereoplasm spring (305) are installed to sleeve pipe (3) inner chamber, annular metal sheet (2) below symmetry is equipped with card (4), card (4) one side edge bonds and has rubber (401), draw-in groove (5) have been seted up to bolt body (1) outer wall symmetry.

2. The anti-drop bolt for assembling the steel structure according to claim 1, wherein: the joint of the ball (303) and the upper surface of the top plate (302) is provided with a groove, and the ball (303) is abutted against the lower surface of the nut (101).

3. The anti-drop bolt for assembling the steel structure according to claim 1, wherein: the bottom plate (304) is positioned inside the sleeve (3), and the top end of the hard spring (305) is abutted against the lower surface of the bottom plate (304).

4. The anti-drop bolt for assembling the steel structure according to claim 1, wherein: and a limiting ring (306) is arranged at the top opening of the inner cavity of the sleeve (3).

5. The anti-drop bolt for assembling the steel structure according to claim 1, wherein: card (4) are the triangle-shaped structure setting, card (4) link to each other with draw-in groove (5) grafting, rubber (401) laminate mutually with draw-in groove (5).

6. The anti-drop bolt for assembling the steel structure according to claim 1, wherein: the bottom end of the clamping groove (5) penetrates through the bottom end of the bolt body (1).