CN215487103U

CN215487103U - Double-bolt-head bolt of anti-skid thread

Info

Publication number: CN215487103U
Application number: CN202121065607.XU
Authority: CN
Inventors: 吴志浩; 周家良
Original assignee: Suzhou Yingdeli Electronic Technology Co ltd
Current assignee: Suzhou Yingdeli Electronic Technology Co ltd
Priority date: 2021-05-18
Filing date: 2021-05-18
Publication date: 2022-01-11
Anticipated expiration: 2031-05-18

Abstract

The utility model discloses a double-bolt-head bolt of an anti-skid thread, belonging to the technical field of bolts, comprising a bolt main body, wherein the left side and the right side of the outer wall of the bolt main body are respectively provided with a thread, a plurality of through holes are uniformly arranged in the bolt main body, the left side of the outer wall of the bolt main body is screwed with a nut, the left wall of the nut is fixedly connected with a mounting plate, the left side of the front wall of the mounting plate is provided with a press switch, the rear wall of the mounting plate is connected with a sleeve, the inside of the sleeve is connected with a clamping rod, the clamping rod penetrates through the inside of the sleeve and extends to the inside of the bolt main body, the joint of the bolt main body and the clamping rod is positioned in the through holes, a press component is arranged between the press switch and the clamping rod, the upper wall of the sleeve is provided with two through grooves, the upper side of the connecting rod is connected with an elastic sheet, and the press switch, the through holes, the clamping rod, the spring, the through grooves, the elastic sheet and the connecting rod are matched together, the bolt body is fastened without loosening the nut.

Description

Double-bolt-head bolt of anti-skid thread

Technical Field

The utility model relates to the technical field of bolts, in particular to an anti-skid double-bolt-head bolt.

Background

Stud bolts, also called stud screws or studs, are used for connecting the fixed linking function of machinery, and both ends of the stud bolts are provided with threads, and the middle screw rods are thick and thin, and are generally used for mining machinery, bridges, automobiles, motorcycles, boiler steel structures, hoisting towers, large-span steel structures, large buildings and the like.

The existing double-bolt-head bolt has the condition of wire slipping after being fastened, so that the nut is loosened.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a double-bolt-head bolt with anti-skidding threads, which aims to solve the problem that nuts are loosened due to the slipping threads after the existing double-bolt-head bolt in the background art is fastened.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a two bolt head bolts of antiskid silk, includes the bolt main part, bolt main part outer wall left and right sides surface all is equipped with the screw thread, a plurality of through-holes have evenly been seted up to bolt main part inside, bolt main part outer wall left side spiro union has the nut, nut left side wall fixedly connected with mounting panel, mounting panel antetheca left side is equipped with press the switch, the wall is connected with the sleeve pipe behind the mounting panel, sleeve pipe internal connection has the kelly, the kelly runs through the cover intraduct and extends to inside the bolt main part, the junction of bolt main part and kelly is located inside the through-hole, be equipped with between press the switch and the kelly and press the subassembly.

Preferably, the pressing assembly comprises a sleeve, the rear wall of the pressing switch is provided with a connecting rod, the rear end of the connecting rod is connected with a clamping rod, a spring is arranged at the joint of the clamping rod and the sleeve, the spring is sleeved on the outer wall of the clamping rod, and a fastening washer is arranged at the joint of the spring and the clamping rod.

Preferably, two through grooves are formed in the upper wall of the sleeve, the upper side of the connecting rod is connected with an elastic sheet, and a clamping hook is arranged at one end, deviating from the connecting rod, of the elastic sheet.

Preferably, the middle position of the outer wall of the bolt main body is a stud with a smooth outer wall.

Preferably, the surfaces of the upper wall and the lower wall of the nut are provided with anti-skid grains.

Compared with the prior art, the utility model has the beneficial effects that: through the cooperation of press switch, through-hole, kelly, spring, logical groove, shell fragment, connecting rod jointly, can not take place the situation that the nut pine takes off after making the bolt main part fasten.

Drawings

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

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

fig. 3 is an enlarged schematic view of a portion a in fig. 2.

In the figure: the bolt comprises a bolt body 1, threads 2, a stud 3, a through hole 4, a nut 5, antiskid lines 6, a mounting plate 7, a press switch 8, a clamping rod 9, a through groove 10, an elastic sheet 11, a connecting rod 12, a spring 13, a fastening washer 14 and a sleeve 15.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Example (b):

referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a two bolt head bolts of antiskid thread, includes bolt

main part

1, 1 outer wall left and right sides surface of bolt main part all is equipped with screw thread 2, a plurality of through-holes 4 have evenly been seted up to 1 inside of bolt main part, 1 outer wall left side spiro union of bolt main part has

nut

5, 5 left side wall fixedly connected with mounting panel 7 of nut, 7 antetheca left sides of mounting panel are equipped with press switch 8, the wall connection has sleeve pipe 15 behind the

mounting panel

7, 15 internal connection of sleeve pipe has clamping bar 9, clamping bar 9 runs through inside sleeve pipe 15 and extends to 1 inside of bolt main part, bolt main part 1 is located inside 4 through-holes with the junction of clamping bar 9, be equipped with between press switch 8 and the clamping bar 9 and press the subassembly.

The utility model discloses a bolt, including the screw bolt, press the subassembly inside including sleeve pipe 15, press switch 8 back wall to be equipped with connecting rod 12, connecting rod 12 rear end is connected with kelly 9, kelly 9 is equipped with spring 13 with sleeve pipe 15 junction, spring 13 cup joints at kelly 9 outer wall, spring 13 is equipped with fastening washer 14 with kelly 9's junction, two logical grooves 10 have been seted up to sleeve pipe 15 upper wall, connecting rod 12 upside is connected with shell fragment 11, the one end that shell fragment 11 and connecting rod 12 deviate from is equipped with the trip, 1 outer wall intermediate position of bolt main part is the glossy double-screw bolt 3 of outer wall, two wall surfaces all are equipped with anti-skidding line 6 about nut 5.

The working principle is as follows: at first through 2 rotation nuts 5 of screw thread, nut 5 rotates and makes bolt main part 1 can play the effect of fastening after a certain position, press down switch 8 afterwards, press down switch 8 drives connecting rod 12 and remove, shell fragment 11 takes place elastic deformation and the separation of logical groove 10 of front side, the backward movement of kelly 9 rear end, inside kelly 9 rear end gets into through-hole 4, even the situation that takes place smooth silk also can not lead to nut 5 to loosen and take off, when nut 5 is unscrewed to needs, only need press shell fragment 11, under the effect of spring 13, kelly 9 front end moves forward and gets into inside and the separation of through-hole 4 of sleeve pipe 15, can normally unscrew nut 5 afterwards.

While there have been shown and described the fundamental principles and essential features of the utility model and advantages thereof, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

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 two bolt head bolts of antiskid silk, includes bolt main part (1), its characterized in that: bolt main part (1) outer wall left and right sides surface all is equipped with screw thread (2), a plurality of through-holes (4) have evenly been seted up to bolt main part (1) inside, bolt main part (1) outer wall left side spiro union has nut (5), nut (5) left side wall fixedly connected with mounting panel (7), mounting panel (7) antetheca left side is equipped with press switch (8), the wall is connected with sleeve pipe (15) behind mounting panel (7), sleeve pipe (15) internal connection has kelly (9), kelly (9) run through inside sleeve pipe (15) and extend to inside bolt main part (1), bolt main part (1) is located inside through-hole (4) with the junction of kelly (9), it presses the subassembly to be equipped with between switch (8) and kelly (9).

2. A non-slip double bolt head bolt according to claim 1, wherein: the pressing component is internally provided with a sleeve (15), the rear wall of the pressing switch (8) is provided with a connecting rod (12), the rear end of the connecting rod (12) is connected with a clamping rod (9), a spring (13) is arranged at the joint of the clamping rod (9) and the sleeve (15), the spring (13) is sleeved on the outer wall of the clamping rod (9), and a fastening washer (14) is arranged at the joint of the spring (13) and the clamping rod (9).

3. A non-slip double bolt head bolt according to claim 2, wherein: two through grooves (10) are formed in the upper wall of the sleeve (15), an elastic sheet (11) is connected to the upper side of the connecting rod (12), and a clamping hook is arranged at one end, deviating from the connecting rod (12), of the elastic sheet (11).

4. A non-slip double bolt head bolt according to claim 1, wherein: the middle position of the outer wall of the bolt main body (1) is provided with a stud (3) with a smooth outer wall.

5. A non-slip double bolt head bolt according to claim 1, wherein: the upper wall surface and the lower wall surface of the nut (5) are provided with anti-skid lines (6).