CN214923924U

CN214923924U - Stud extracting tool

Info

Publication number: CN214923924U
Application number: CN202120001681.9U
Authority: CN
Inventors: 严帅; 季建伟; 李小洲
Original assignee: Jiangsu Vocational and Technical Shipping College
Current assignee: Jiangsu Vocational and Technical Shipping College
Priority date: 2021-01-04
Filing date: 2021-01-04
Publication date: 2021-11-30
Anticipated expiration: 2031-01-04

Abstract

The invention discloses a stud dismounting tool which comprises a screw shaft, a sleeve and a dismounting structure, wherein the upper end of the inner wall of the sleeve is provided with a reverse thread, the screw shaft is connected with the sleeve through the reverse thread, the lower end in the sleeve is provided with a counter bore, and the dismounting structure is fixedly arranged in the counter bore; the disassembling structure comprises a disassembling structure main body and a fixing part, and the disassembling structure main body moves in the same direction with the sleeve through the fixing part; the method has the advantages of being fast and convenient, preventing the stud from being damaged and the like.

Description

Stud extracting tool

Technical Field

The invention relates to the field of mounting tools, in particular to a stud disassembling tool.

Background

The stud bolt is generally applied to assembly occasions of a plurality of mechanical devices; the connecting device is usually used in the situation that the connected parts are too thick or are not suitable for being connected by bolts due to structural limitation, when in connection, the screwing ends of the bolts are all screwed into the screw holes of the base parts, then another connected part is sleeved, then a gasket is placed, and the nuts are screwed, so that the connection is realized. In the process that the screwing end of the bolt is screwed into the screw hole of the base or the screwing end needs to be screwed out of the screw hole, because the other side of the stud bolt is also provided with threads, if other auxiliary devices are not adopted, the operation is not easy to operate only by depending on the force of hands. At present, people often adopt a double-nut splicing method to disassemble the stud bolt, and bolt threads near the joint point of the two nuts are easily damaged during disassembly, and even the bolt is dangerous to be broken.

There is provided a stud bolt removing tool capable of solving the above-mentioned problems.

Disclosure of Invention

The invention aims to solve the technical problem that the existing method for disassembling the stud bolt is easy to damage the stud bolt, so that a stud bolt disassembling tool is provided, and comprises:

the screw shaft is connected with the sleeve through the reverse thread, a counter bore is formed in the lower end inside the sleeve, and the dismounting structure is fixedly installed in the counter bore;

the disassembly structure comprises a disassembly structure main body and a fixing part, and the disassembly structure main body moves in the same direction with the sleeve through the fixing part.

Further, the screw shaft includes a connecting section and a handle section, and the connecting section and the handle section are integrally formed.

Furthermore, the diameter of the upper end of the connecting section is matched with the inner diameter of the sleeve, threads matched with the reverse threads are further arranged at the upper end of the connecting section, and the diameter of the lower end of the connecting section is smaller than the inner diameter of the sleeve.

Further, the handle segment includes a handle segment body and a first handle integrally formed with the handle body.

Furthermore, the end part of the first handle close to the handle body is provided with mounting threads, the handle body is provided with a threaded hole, and the threaded hole is used for fixedly mounting the first handle on the handle body.

Further, the dismounting structure body is a hexagon nut, and the hexagon nut is fixedly installed in the counter bore through the fixing part.

Further, the fixed part includes location ball axle, spring and holding screw, open one side of hexagon nut has the mounting groove, the spring housing is established install after on the location ball axle in the mounting groove, the sleeve corresponds mounting groove department is provided with the locating hole, holding screw with the locating hole sets up relatively, holding screw is used for with hexagon nut fixes on the sleeve.

Further, the handle structure further comprises a second handle, and the second handle is fixedly installed at the upper end of the sleeve.

Furthermore, the positioning ball shaft comprises a positioning hemisphere, a spring baffle and a spring column, and the positioning hemisphere, the spring baffle and the spring column are integrally formed.

Further, the screw shaft device further comprises a motor, and the motor is mounted at the top end of the screw shaft.

The implementation of the invention has the following beneficial effects:

1. according to the invention, through simple structures such as the sleeve, the hexagon nut and the screw shaft, the stud can be quickly disassembled and assembled, the damage to the stud can be reduced, the stud can be recycled, and the disassembly of the studs with different specifications can be met by replacing the hexagon nuts with different types.

2. The detachable handle is designed, the carrying is convenient, the length of the handle can be changed, the detachment and the installation are more convenient and labor-saving by changing the torque, the detachment efficiency is improved, and the time is shortened.

3. The invention utilizes the positioning and fastening components such as the set screw, the spring, the positioning ball shaft and the like, is convenient to disassemble and assemble, is rapid and convenient, and improves the disassembling and assembling efficiency.

Drawings

FIG. 1 is a block diagram of the present invention;

fig. 2 is a structural diagram of a third embodiment of the present invention.

Wherein the reference signs shall correspond to: 1-screw shaft, 2-sleeve, 3-hexagon nut, 4-set screw, 5-spring, 6-positioning ball shaft and 7-motor.

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.

Example one

Referring to the accompanying drawing 1, the present embodiment provides a stud bolt dismounting tool, which is to solve the technical problem that the existing stud bolt dismounting method is easy to damage the stud bolt, and the stud bolt dismounting tool includes:

the screw shaft 1 is connected with the sleeve 2 through the reverse thread, the lower end in the sleeve 2 is provided with a counter bore, and the dismounting structure is fixedly arranged in the counter bore;

the dismounting structure comprises a dismounting structure main body and a fixing part, the dismounting structure main body moves in the same direction with the sleeve through the fixing part, namely the dismounting structure main body is fixed on the sleeve through the fixing part, and the dismounting structure main body moves in the same direction with the sleeve when the sleeve moves.

The screw shaft 1 includes a connection section and a handle section which are integrally formed.

The diameter of the upper end of the connecting section is matched with the inner diameter of the sleeve, threads matched with the reverse threads are further arranged at the upper end of the connecting section, and the diameter of the lower end of the connecting section is smaller than the inner diameter of the sleeve 2.

The handle section comprises a handle section body and a first handle, the end part of the first handle close to the handle body is provided with mounting threads, a threaded hole is formed in the handle body, and the threaded hole is used for fixedly mounting the first handle on the handle body.

The handle segment includes a handle segment body and a first handle, the handle segment body and the first handle being integrally formed.

Dismantle the main part of structure and be hexagon nut 3, hexagon nut 3 passes through fixed part fixed mounting in the counter bore, and hexagon nut 3 can match as required the stud's of dismantling diameter.

The fixing part comprises a positioning ball shaft 6, a spring 5 and a set screw 4, a mounting groove is formed in one side face of the hexagon nut 3, the spring 5 is arranged in the mounting groove after being sleeved on the positioning ball shaft 6, a positioning hole is formed in the position, corresponding to the mounting groove, of the sleeve 2, the set screw 4 is arranged opposite to the positioning hole, the hexagon nut 3 is fixed on the sleeve 2 through the set screw 4, the mounting process is that the spring 5 is arranged in the mounting groove of the hexagon nut 3 after being sleeved on the positioning ball shaft, then the whole body is mounted in a hole, the positioning ball shaft is jacked to the positioning hole through the spring at the moment, displacement is prevented, and a fastening screw is mounted on the surface, opposite to the positioning hole, of the sleeve.

Still include the second handle, second handle fixed mounting is in the upper end of sleeve 2, second handle and sleeve 2 integrated into one piece.

The locating ball shaft comprises a locating hemisphere, a spring baffle and a spring column, the locating hemisphere, the spring baffle and the spring column are integrally formed, the locating hemisphere is arranged at a port of the mounting groove, a clamping plate is further arranged at the port of the mounting groove, and a through hole is formed in the middle of the clamping plate so that the locating hemisphere can clamp a locating hole in the sleeve.

The working principle of the embodiment is as follows:

when the stud bolt is installed:

1. selecting a hexagon nut according to the size of the bolt, installing the hexagon nut on the sleeve, and screwing the stud bolt into the hexagon nut by a proper length;

2. rotating the screw shaft anticlockwise (the thread on the screw shaft is a reverse thread) to enable the end part of the screw shaft to tightly prop against the stud bolt;

3. and the sleeve is rotated clockwise, and the end part of the screw shaft keeps always tightly propping against the end part of the stud bolt because the thread on the screw shaft is the reverse thread, and the stud bolt and the nut keep still at the moment and rotate clockwise along with the sleeve, so that the stud bolt is screwed.

4. The screw shaft is rotated clockwise, the end part of the screw shaft is loosened from the end part of the bolt, and then the sleeve is rotated anticlockwise, so that the tool can be taken down.

When the stud bolt is disassembled:

the nut is screwed into the stud bolt for a proper length, and the screw shaft is rotated counterclockwise (when the end of the screw shaft abuts against the upper end of the stud bolt, the stud bolt is rotated counterclockwise along with the tool).

Example two

The diameter of the upper end of the connecting section is matched with the inner diameter of the sleeve 2, threads matched with the reverse threads are further arranged at the upper end of the connecting section, and the diameter of the lower end of the connecting section is smaller than the inner diameter of the sleeve.

The fixing part comprises a positioning ball shaft 6, a spring 5 and a set screw 4, a mounting groove is formed in one side face of the hexagon nut 3, the spring 5 is arranged in the mounting groove after being sleeved on the positioning ball shaft 6, a positioning hole is formed in the position, corresponding to the mounting groove, of the sleeve 2, the set screw 4 is arranged opposite to the positioning hole, the set screw 4 is used for fixing the hexagon nut 3 on the sleeve, the mounting process is that the spring 5 is arranged in the mounting groove of the hexagon nut 3 after being sleeved on the positioning ball shaft 6, then the whole body is arranged in a formed hole, the positioning ball shaft 6 is pushed to the positioning hole by the spring 5 at the moment, displacement is prevented, and a fastening screw is arranged on the surface, opposite to the positioning hole, of the sleeve.

Still include the second handle, second handle fixed mounting is in telescopic upper end, second handle and sleeve integrated into one piece, and the second handle can be dismantled with the sleeve and be connected, and the first in command and the second in command can change the handle of different length as required, utilize the moment of difference more easy to assemble.

The working principle of the embodiment is as follows:

when the stud bolt is installed:

When the stud bolt is disassembled:

EXAMPLE III

Referring to the accompanying fig. 2, the present embodiment provides a stud bolt disassembling tool, in which the stud bolt is easily damaged by a conventional stud bolt disassembling method, and the stud bolt disassembling tool includes:

The motor is installed on the top of screw axis, and screw axis 1 upper end diameter cooperatees with the internal diameter of sleeve 2, and screw axis 1 upper end still is provided with the screw thread that cooperatees with the anti-tooth screw thread, and screw axis 1 lower extreme diameter is less than telescopic internal diameter.

The working principle of the embodiment is as follows:

when the stud bolt is installed:

2. the motor rotates the screw shaft anticlockwise (the thread on the screw shaft is the reverse thread), so that the end part of the screw shaft tightly props against the stud bolt;

3. the sleeve is rotated clockwise by the motor, and the end part of the screw shaft keeps always tightly pushing against the end part of the stud bolt because the thread on the screw shaft is the inverse thread, and the stud bolt and the nut keep still at the moment and rotate clockwise along with the sleeve, so that the stud bolt is screwed.

4. The screw shaft is rotated clockwise by the motor, the end part of the screw shaft and the end part of the bolt are loosened, and then the sleeve is rotated anticlockwise, so that the tool can be taken down.

When the stud bolt is disassembled:

the nut is screwed into the stud bolt for a proper length, and the screw shaft is rotated counterclockwise by the motor (when the end of the screw shaft abuts against the upper end of the stud bolt, the stud bolt is rotated counterclockwise along with the tool).

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

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. A stud disassembling tool is characterized by comprising a screw shaft, a sleeve and a disassembling structure, wherein reverse threads are arranged at the upper end of the inner wall of the sleeve, the screw shaft is connected with the sleeve through the reverse threads, a counter bore is arranged at the lower end in the sleeve, and the disassembling structure is fixedly arranged in the counter bore;

2. The stud remover of claim 1, wherein said screw spindle includes a connecting section and a handle section, said connecting section and said handle section being integrally formed.

3. The stud remover of claim 2, wherein the threaded shaft coupling section is provided with a reverse thread to mate with the sleeve, the threaded shaft coupling section having a lower end diameter less than the inner diameter of the sleeve.

4. The stud remover of claim 3, wherein the handle means comprises a handle body and a first handle, the first handle being integrally formed with the handle body.

5. The stud remover of claim 4, wherein the end of the first handle adjacent to the handle body is provided with mounting threads, and the handle body is provided with a threaded bore for fixedly mounting the first handle to the handle body.

6. The stud remover of claim 5, wherein the removal feature is a hex nut that is fixedly mounted in the counterbore by the securing member.

7. The stud remover of claim 6, wherein the fixing part comprises a ball shaft, a spring and a set screw, a mounting groove is formed in one side surface of the hexagon nut, the spring is sleeved on the ball shaft and then mounted in the mounting groove, a positioning hole is formed in the sleeve corresponding to the mounting groove, the set screw is opposite to the positioning hole, and the set screw is used for fixing the hexagon nut on the sleeve.

8. The stud remover of claim 7, further comprising a second handle fixedly mounted to an upper end of the sleeve.

9. The stud remover of claim 8, wherein the ball detent comprises a detent hemisphere, a spring bezel, and a spring post, the detent hemisphere, the spring bezel, and the spring post being integrally formed.

10. The stud remover of claim 1, further comprising a motor mounted to a top end of the screw shaft.