CN110340830B

CN110340830B - Rotating device for hexagonal bolt anti-skid thread

Info

Publication number: CN110340830B
Application number: CN201910643917.6A
Authority: CN
Inventors: 余金斌
Original assignee: Jangsu Minglu Stainless Steel Co ltd
Current assignee: Jiangsu Minglu Special Steel Group Co ltd
Priority date: 2019-07-17
Filing date: 2019-07-17
Publication date: 2021-10-22
Anticipated expiration: 2039-07-17
Also published as: CN110340830A

Abstract

The invention relates to the technical field of bolt fastening tools, and discloses a rotating device for hexagonal bolt anti-slip threads, which comprises a barrel, wherein an upper shaft, a middle shaft and a lower shaft are arranged in the barrel, the upper end of the upper shaft is connected with a rotating rod, the upper part of the upper shaft is sequentially connected with an inner sleeve, a ball and an outer sleeve from inside to outside, the middle part of the barrel is provided with a torsion spring, the lower end of the lower shaft is provided with a bolt sleeve, the inner lower part of the barrel is hinged with a baffle plate, a compression spring is connected between the baffle plate and the barrel, the lower part of the barrel is fixedly connected with a lower baffle plate, the outer ring of the lower part of the barrel is fixedly connected with a supporting plate, a supporting shell is fixedly connected below the supporting plate, and a support column is arranged in the supporting plate. This a rotary device for hexagon bolt antiskid silk can make the bolt begin to screw in the screw when the central axis of bolt and screw is on same straight line, and whole device is stable throughout and motionless, just can not cause the appearance of "smooth silk" phenomenon because the slope of bolt or bolt atress are too inclined to one side.

Description

Rotating device for hexagonal bolt anti-skid thread

Technical Field

The invention relates to the technical field of bolt fastening tools, in particular to a rotating device for an anti-skid thread of a hexagon bolt.

Background

The bolt is a mechanical part, is matched with a nut to play a fastening role, and consists of a head part and a screw rod with external threads, the bolt is called as 'industrial rice', the importance of the bolt in industrial production and manufacturing and the universality of the bolt use can be seen from the name, and the hexagon bolt is one of the bolts, namely the bolt with the head part in a regular hexagon shape.

At present, people mostly rely on the spanner to accomplish precession and the screw-out to hexagon bolt's use, hardly guarantee like this that the center of bolt and screw is on same axis, can not guarantee promptly that the screw on the bolt can cooperate with the screw in the screw well, screw "smooth silk" phenomenon will appear like this, make the bolt card can not pass in and out in the screw, and artificial spanner is rotatory to hexagon bolt, and easy exertion is too partially, can lead to the appearance of "smooth silk" phenomenon like this equally.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a rotating device for anti-sliding threads of a hexagonal bolt, which has the advantages that the central axes of the bolt and a screw hole are in the same straight line, the phenomenon of sliding threads is avoided, and the problem that the central axes of the bolt and the screw hole cannot be in the same straight line and the phenomenon of sliding threads is easy to occur in the conventional device is solved.

(II) technical scheme

In order to realize the purpose that the central axes of the bolt and the screw hole are on the same straight line and the phenomenon of thread sliding is avoided, the invention provides the following technical scheme: a rotating device for hexagonal bolt anti-skid threads comprises a barrel, an upper shaft is arranged inside the barrel, an upper baffle is fixedly connected to the upper portion of the barrel, a rotating rod is fixedly connected to the upper end of the upper shaft in a penetrating mode through the upper baffle, an inner sleeve is fixedly connected to the upper portion of the upper shaft, an outer sleeve is fixedly connected to the inner sleeve, balls are arranged between the inner sleeve and the outer sleeve, a middle shaft is fixedly connected to the lower end of the upper shaft, the lower end of the middle shaft is fixedly connected with a lower shaft, a middle baffle is fixedly connected to the middle portion of the barrel, a torsion spring is arranged on the outer ring of the lower shaft and above the middle baffle, a connecting shaft is fixedly connected to the lower end of the lower shaft, a bolt sleeve is fixedly connected to the lower end of the connecting shaft, a separation blade is hinged to the inner lower portion of the barrel, a compression spring is connected between the separation blade and the barrel, a limiting block is arranged above the separation blade, a lower baffle is fixedly connected to the lower portion of the barrel, and a supporting plate is fixedly connected to the outer ring of the lower portion of the barrel, the lower part of the supporting plate is fixedly connected with a supporting shell, a supporting column is arranged in the supporting plate, and a stop block is fixedly connected to the upper part of the supporting column.

Preferably, the lower part of the cylinder is provided with a hole, so that bolts can be conveniently placed on the blocking pieces.

Preferably, the outer ring of the middle shaft is provided with threads, and the barrel is internally provided with threads corresponding to the threads on the middle shaft, so that the bolt sleeve can rotate to move up and down.

Preferably, the outer ring of the lower end of the bolt sleeve is provided with a round corner, so that the blocking piece is prevented from being abraded when the blocking piece is extruded by the bolt sleeve.

Preferably, the lower baffle plate is provided with a hole corresponding to the bolt, so that the bolt can be screwed in and out of the screw hole conveniently.

Preferably, the cross section of the support column is trapezoidal, and the position of the suction cup can be limited by the shape of the support column.

Preferably, the lower extreme of pillar is provided with the sucking disc for fixing device prevents to rock in the course of the work.

(III) advantageous effects

Compared with the prior art, the invention provides a rotating device for hexagonal bolt anti-skid wires, which has the following beneficial effects:

1. this a rotary device for hexagon bolt antiskid silk through putting hexagon bolt and aim at the screw on the separation blade, then pushes down the pillar, and the sucking disc will adsorb screw place plane, supports the shell and can play the supporting role, then rotatory swing arm can make down the axial downstream, and the axial downstream can drive the plug bush downstream down, compresses tightly the separation blade to the barrel both sides then, with in the screw is screwed into with bolt perpendicular to screw place plane.

2. According to the rotating device for the anti-slip thread of the hexagon bolt, the inner sleeve is arranged on the outer ring of the upper shaft, the inner sleeve is connected with the outer sleeve, the ball is arranged between the inner sleeve and the outer sleeve, the upper shaft and the inner sleeve do not slide relatively, the structural combination can play a limiting role by means of the blocking effect of the upper baffle plate on one hand, and the outer sleeve and the barrel slide in a mutual contact manner on the other hand, so that the upper shaft can be prevented from shaking, the axis center of the upper shaft and the axis center of the barrel are always on the same straight line, and the working stability of the bolt sleeve can be guaranteed.

3. This a rotary device for hexagon bolt antiskid silk through the torsion spring who is provided with the threaded connection of axis and barrel and lower axle outer lane, can prevent that the screw thread between axis and the barrel from appearing damaging because of using for a long time and leading to the unable normal work of device, makes the screw thread damage back device still can normally work promptly through torsion spring's setting, has increased the fault-tolerant rate of device.

Drawings

FIG. 1 is a front cross-sectional view of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1;

FIG. 3 is a cross-sectional view of the inner sleeve coupled to the outer sleeve in accordance with the present invention;

FIG. 4 is a cross-sectional view of the plug wrap of the present invention;

FIG. 5 is a cross-sectional view of a baffle plate of the present invention.

In the figure: 1-cylinder, 2-upper baffle, 3-upper shaft, 4-middle shaft, 5-lower shaft, 6-rotary rod, 7-inner sleeve, 8-ball, 9-outer sleeve, 10-torsion spring, 11-middle baffle, 12-connecting shaft, 13-bolt sleeve, 14-baffle, 15-limiting block, 16-compression spring, 17-lower baffle, 18-resisting plate, 19-resisting shell, 20-support, 21-baffle and 22-sucking disc.

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. 1-5, a rotating device for hexagonal bolt anti-slip threads comprises a cylinder 1, an upper shaft 3 is arranged inside the cylinder 1, an upper baffle 2 is fixedly connected to the upper portion of the cylinder 1, a rotating rod 6 is fixedly connected to the upper end of the upper shaft 3 through the upper baffle 2, an inner sleeve 7 is fixedly connected to the upper portion of the upper shaft 3, an outer sleeve 9 is fixedly connected to the inner sleeve 7, and balls 8 are arranged between the inner sleeve 7 and the outer sleeve 9, wherein the upper shaft 3 and the inner sleeve 7 do not slide relatively, the structural combination can achieve a limiting effect by the blocking effect of the upper baffle 2 on one hand, and can prevent the upper shaft 3 from shaking due to the mutual contact sliding between the outer sleeve 9 and the cylinder 1 on the other hand, so that the axis center of the upper shaft 3 is always on the same straight line with the axis center of the cylinder 1, thereby ensuring the stable operation of the bolt sleeve 13, and a middle shaft 4 is fixedly connected to the lower end of the upper shaft 3, the outer ring of the middle shaft 4 is provided with threads, the barrel body 1 is internally provided with threads corresponding to the threads on the middle shaft 4, the bolt sleeve 13 can drive a bolt to rotate to move up and down, the lower end of the middle shaft 4 is fixedly connected with the lower shaft 5, the middle part of the barrel body 1 is fixedly connected with a middle baffle 11, the outer ring of the lower shaft 5 is provided with a torsion spring 10 above the middle baffle 11, the device can still work normally after the threads are damaged by the arrangement of the torsion spring 10, the fault tolerance of the device is increased, the lower end of the lower shaft 5 is fixedly connected with a connecting shaft 12, the lower end of the connecting shaft 12 is fixedly connected with a bolt sleeve 13, the outer ring of the lower end of the bolt sleeve 13 is provided with a fillet to prevent the baffle 14 from being worn when the bolt sleeve 13 is extruded to the lower baffle 14, the inner lower part of the barrel body 1 is hinged with a baffle 14, a compression spring 16 is connected between the baffle 14 and the barrel body 1, a limiting block 15 is arranged above the baffle 14, and used for limiting the position of the baffle 14, the lower part of barrel 1 is seted up porosely, conveniently place the bolt on to separation blade 14, baffle 17 under the lower part fixedly connected with of barrel 1, set up the hole corresponding with the bolt on the baffle 17 down, make things convenient for the bolt precession, the screw is unscrewed, do benefit to the normal work of device, the lower part outer lane fixedly connected with of barrel 1 supports board 18, the below fixedly connected with of supporting board 18 supports shell 19, be provided with pillar 20 among the supporting board 18, the cross-section of pillar 20 is trapezoidal, can rely on pillar shape itself to restrict sucking disc 22 position, the top fixedly connected with dog 21 of pillar 20, the lower extreme of pillar 20 is provided with sucking disc 22, a fixing device, prevent to rock in the device course of the work.

The working principle is as follows: the hexagonal bolt is placed on the blocking piece 14 to align with the screw hole, then the pillar 20 is pressed downwards, the sucking disc 22 can adsorb the plane where the screw hole is located, the supporting shell 19 can play a supporting role, then the rotating rod 6 is rotated, the middle shaft 4 can rotate and move downwards due to the fact that the middle shaft 4 is connected with the barrel body 1 through threads, the lower shaft 5 can move downwards, the lower shaft 5 moves downwards to drive the bolt sleeve 13 to move downwards, the blocking piece 14 is pressed towards the two sides of the barrel body 1, the bolt in the bolt sleeve 13 is screwed into the screw hole perpendicular to the plane where the screw hole is located, when the bolt starts to be screwed into the screw hole, the central axes of the bolt and the screw hole are on the same straight line, the whole device is stable and fixed all the time, and the phenomenon of 'thread slipping' caused by the inclination of the bolt or the over-deflection of the stress of the bolt can be avoided. And the device can be adapted to bolts of different head shapes by changing the shape of the plug sleeve 13 without being limited to the hexagon bolt.

To sum up, this a rotary device for hex bolts antiskid silk has realized enabling the central axis of bolt and screw on same straight line, avoids appearing the mesh of smooth silk phenomenon.

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 a rotary device for hex bolts antiskid silk, includes barrel (1), its characterized in that: an upper shaft (3) is arranged in the barrel body (1), the upper part of the barrel body (1) is fixedly connected with an upper baffle (2), the upper end of the upper shaft (3) penetrates through the upper baffle (2) and is fixedly connected with a rotating rod (6), the upper part of the upper shaft (3) is fixedly connected with an inner sleeve (7), the inner sleeve (7) is fixedly connected with an outer sleeve (9), a ball (8) is arranged between the inner sleeve (7) and the outer sleeve (9), the lower end of the upper shaft (3) is fixedly connected with a middle shaft (4), the lower end of the middle shaft (4) is fixedly connected with a lower shaft (5), the middle part of the barrel body (1) is fixedly connected with a middle baffle (11), a torsion spring (10) is arranged on the outer ring of the lower shaft (5) and positioned above the middle baffle (11), the lower end of the lower shaft (5) is fixedly connected with a connecting shaft (12), the lower end of the connecting shaft (12) is fixedly connected with a bolt sleeve (13), and the inner lower part of the barrel body (1) is hinged with a baffle (14), a compression spring (16) is connected between the baffle (14) and the barrel (1), a limiting block (15) is arranged above the baffle (14), a lower baffle (17) is fixedly connected to the lower part of the barrel (1), a resisting plate (18) is fixedly connected to the outer ring of the lower part of the barrel (1), a resisting shell (19) is fixedly connected to the lower part of the resisting plate (18), a supporting column (20) is arranged in the resisting plate (18), and a baffle block (21) is fixedly connected to the upper part of the supporting column (20);

the lower part of the cylinder body (1) is provided with a hole;

the outer ring of the middle shaft (4) is provided with threads, and the barrel body (1) is internally provided with threads corresponding to the threads on the middle shaft (4);

the outer ring of the lower end of the bolt sleeve (13) is provided with a fillet;

the lower baffle (17) is provided with a hole corresponding to the bolt;

the cross section of the strut (20) is trapezoidal;

the lower end of the strut (20) is provided with a sucker (22);

a hexagonal bolt is placed on a blocking piece (14) to align with a screw hole, then a support column (20) is pressed downwards, a sucking disc (22) can adsorb a plane where the screw hole is located, a supporting shell (19) can play a supporting role, then a rotating rod (6) is rotated, the middle shaft (4) can rotate and move downwards due to the fact that the middle shaft (4) is connected with the barrel body (1) through threads, the lower shaft (5) can move downwards, the lower shaft (5) moves downwards to drive a bolt sleeve (13) to move downwards, then the blocking piece (14) is pressed towards two sides of the barrel body (1), a bolt in the bolt sleeve (13) is screwed into the screw hole perpendicular to the plane where the screw hole is located, when the bolt starts to be screwed into the screw hole, the central axes of the bolt and the screw hole are on the same straight line, the whole device is always stable and motionless, the phenomenon of 'thread slipping' caused by inclination of the bolt or over-bias of the bolt can be avoided, and the device can be suitable for bolts with different head shapes by changing the shape of the bolt sleeve (13), and is not limited to the hex bolt.