CN218947530U

CN218947530U - Stud assembly and disassembly tools

Info

Publication number: CN218947530U
Application number: CN202223094198.3U
Authority: CN
Inventors: 杨卓健; 余子炜; 苏逸俊
Original assignee: Guangzhou Diesel Engine Factory Co ltd
Current assignee: Guangzhou Diesel Engine Factory Co ltd
Priority date: 2022-11-17
Filing date: 2022-11-17
Publication date: 2023-05-02
Anticipated expiration: 2032-11-17

Abstract

The utility model is used in the field of dismounting tools, in particular to a stud dismounting tool, which comprises a tool bolt; a nut having a first threaded section and a second threaded section disposed therein, the first threaded section having a direction of rotation opposite the direction of rotation of the second threaded section. Install the instrument bolt in first screw thread section, the second screw thread section is installed on the stud, rotate the nut and make the tip of instrument bolt extrude the locking with the tip of stud each other, the nut can drive instrument bolt and stud and rotate together, can fasten the stud, when dismantling the stud, reverse rotation nut with the spanner, the stud can advance in the second screw thread section for the tip of stud supports tightly the tip lock at instrument bolt, the nut can drive instrument bolt and stud and rotate together, thereby make the stud dismantle, this kind of stud dismouting instrument can effectively prevent the destruction that the nut led to the fact the screw thread on the stud.

Description

Stud assembly and disassembly tools

Technical Field

The utility model is used in the field of dismounting tools, and particularly relates to a stud dismounting tool.

Background

Because of its own structure, tools such as a wrench often cannot be directly used on the stud, and an existing stud dismounting tool often needs to be dismounted by means of a nut screwed on the stud, but when an acting force is applied to the nut by means of the nut dismounting process, the nut is easy to damage threads on the stud during the screwing process.

Disclosure of Invention

In order to solve at least one of the above technical problems, the present utility model provides a stud disassembling tool, and the technical scheme adopted is as follows.

A stud dismounting tool comprises

A tool bolt;

the nut is internally provided with a first threaded section and a second threaded section, the rotation direction of the first threaded section is opposite to that of the second threaded section, the tool bolt is in threaded connection with the first threaded section in the nut, and the stud is used for being in threaded connection with the second threaded section in the nut.

The stud disassembling tool provided by the embodiment of the utility model has at least the following beneficial effects: install the tool bolt in the first screw thread section in the nut, then install the second screw thread section in the nut on the stud, because the screw thread of first screw thread section and second screw thread section revolves to opposite, so install the tool bolt in first screw thread section and the screw thread of stud in the second screw thread section respectively and also be opposite, when installing the stud, with spanner card on the nut, then rotate the nut and make tool bolt go forward in first screw thread section, simultaneously the tip of tool bolt can extrude each other with the tip of stud, under the effect of extrusion frictional force and screw thread interlock, when continuing to rotate the nut, the nut can drive tool bolt and stud and rotate together, can fasten the stud, when dismantling the stud, with spanner reverse rotation nut, the stud can go forward in the second screw thread section for the tip of stud supports the tip at tool bolt, under the effect of extrusion frictional force and screw thread, stud and tool bolt interlock each other, then rotate nut can drive and rotate together, thereby can drive the tool bolt and stud and the tip of stud, so as to realize the dismouting to the realization, can prevent the dismouting from having the screw bolt from the realization, the dismouting can be done from the screw bolt.

According to the stud bolt dismounting tool of other embodiments of the present utility model, one end of the tool bolt extending into the nut is in a spherical structure.

According to other embodiments of the stud bolt attaching/detaching tool of the present utility model, the outer wall of the nut portion has a polygonal structure.

According to further embodiments of the stud bolt removing tool of the present utility model, the outer wall of the nut is provided with hexagonal segments and cylindrical segments, which are distributed along the axial direction of the nut.

According to still further embodiments of the stud bolt attaching and detaching tool of the present utility model, the hexagonal section and the cylindrical section are transitional connected.

According to further embodiments of the stud bolt removing tool of the present utility model, the nut is internally provided with a relief groove between the first threaded section and the second threaded section.

Drawings

The utility model is further described below with reference to the accompanying drawings:

FIG. 1 is a schematic diagram of the structure of one embodiment of the present utility model;

FIG. 2 is a front view of the nut of the embodiment of FIG. 1;

FIG. 3 is a top view of the nut of the embodiment of FIG. 1;

FIG. 4 is a side cross-sectional view of the nut of the embodiment shown in FIG. 1;

FIG. 5 is a front view of the tool bolt of the embodiment of FIG. 1;

fig. 6 is a top view of the tool bolt of the embodiment of fig. 1.

Detailed Description

Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.

In the present utility model, if directions (up, down, left, right, front and rear) are described, they are merely for convenience of description of the technical solution of the present utility model, and do not indicate or imply that the technical features must be in a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the present utility model, "a plurality of" means one or more, and "a plurality of" means two or more, and "greater than", "less than", "exceeding", etc. are understood to not include the present number; "above", "below", "within" and the like are understood to include this number. In the description of the present utility model, the description of "first" and "second" if any is used solely for the purpose of distinguishing between technical features and not necessarily for the purpose of indicating or implying a relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the present utility model, unless clearly defined otherwise, terms such as "disposed," "mounted," "connected," and the like should be construed broadly and may be connected directly or indirectly through an intermediate medium, for example; the connecting device can be fixedly connected, detachably connected and integrally formed; can be mechanically connected, electrically connected or capable of communicating with each other; may be a communication between two elements or an interaction between two elements. The specific meaning of the words in the utility model can be reasonably determined by a person skilled in the art in combination with the specific content of the technical solution.

In order to solve the technical problems, the utility model provides a stud disassembling tool.

Referring to fig. 1 to 6, the stud bolt removing tool includes a tool bolt 200 and a nut 100, the nut 100 having a first threaded section 110 and a second threaded section 120 provided therein, the first threaded section 110 having a direction of rotation opposite to that of the second threaded section 120, the tool bolt 200 being threadedly coupled with the first threaded section 110 in the nut 100, and the stud bolt 300 being for threaded coupling in the second threaded section 120 in the nut 100.

The method comprises the steps of installing a tool bolt 200 in a first threaded section 110 in a nut 100, then installing a second threaded section 120 in the nut 100 on a stud 300, and installing the stud 300 by reversely rotating threads of the tool bolt 200 and the stud 300 in the first threaded section 110 and the second threaded section 120 respectively because threads of the first threaded section 110 and the second threaded section 120 are reversely rotated, clamping a spanner on the nut 100 when installing the stud 300, then rotating the nut 100 to enable the tool bolt 200 to be progressively moved in the first threaded section 110, simultaneously enabling the end of the tool bolt 200 to be mutually extruded with the end of the stud 300, locking between the tool bolt 200 and the stud 300 under the action of extrusion friction force and thread engagement, and enabling the stud 300 to be continuously rotated together by the nut 100 when continuing to rotate the nut 100, and enabling the stud 300 to be installed by reversely rotating the nut 100 by the spanner, enabling the end of the stud 300 to be tightly abutted against the nut 100, and then enabling the tool bolt 200 to be tightly and the threaded stud 300 to be continuously rotated by the extrusion force of the tool bolt 300, and the stud 300 to be mutually disassembled and the threaded stud 300, and the threaded stud 300 can be continuously disassembled and assembled and disassembled by the threaded tool 200, and the threaded stud 300 can be continuously and disassembled.

The inner half of the nut 100 is the first threaded section 110 and the other half is the second threaded section 120, the first threaded section 110 and the second threaded section 120 being arranged in sequence along the axial direction of the nut 100, a relief groove 130 being provided inside the nut 100 between the first threaded section 110 and the second threaded section 120 for facilitating the withdrawal of a tool for machining the threads inside the nut 100.

In some embodiments, a portion of the outer wall of the nut 100 is polygonal in configuration to facilitate gripping by a wrench.

Specifically, the outer wall of the nut 100 is provided with hexagonal sections 140 and cylindrical sections 150, the hexagonal sections 140 and cylindrical sections 150 being distributed along the axial direction of the nut 100.

Specifically, the upper half part of the outer wall of the nut 100 is the hexagonal section 140, the lower half part of the outer wall of the nut 100 is the cylindrical section 150, in the process of processing the nut 100, only the outer wall of the upper half part of the nut 100 is processed into a hexagonal structure, and the lower half part of the nut 100 is not processed, and the cylindrical outer wall is continuously kept, so that the wall thickness of the lower half part of the nut 100 is kept unchanged, the strength of the nut 100 is effectively improved, and on the other hand, the cost in the processing process is lower because only the outer wall of the upper half part of the nut 100 is processed and the outer wall of the lower half part of the nut 100 is not processed.

In some embodiments, hexagonal section 140 and cylindrical section 150 are transitional connected.

Specifically, during the process of machining the outer wall of nut 100, a chamfer 160 is machined between hexagonal section 140 and cylindrical section 150.

It should be noted that, in this application, a portion of the outer wall of the nut 100 may be provided with other polygonal structures, such as a pentagonal structure, an octagonal structure, and the like, in addition to the hexagonal structure.

To prevent excessive friction between the tool bolt 200 and the stud 300 from causing the tool bolt 200 to be difficult to disassemble, in some embodiments, the end of the tool bolt 200 that protrudes into the interior of the nut 100 is provided with a spherical structure 210.

Specifically, the end of the tool bolt 200 extending into the nut 100 is provided with a metal ball, after the tool bolt 200 and the stud 300 are abutted in the nut 100, the metal ball on the tool bolt 200 is in contact with the stud 300 for extrusion, and the contact area between the metal ball and the end face of the stud 300 is small, so that the friction force between the tool bolt 200 and the stud 300 is also small, and the tool bolt 200 can be conveniently screwed out from the nut 100.

Of course, the present application is not limited to the above-described embodiments, and those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the present utility model, and these equivalent modifications or substitutions are included in the scope of the present application as defined in the claims.

Claims

1. The utility model provides a stud assembly and disassembly tools which characterized in that: comprising

A tool bolt;

2. The stud attaching and detaching tool according to claim 1, wherein: one end of the tool bolt extending into the nut is of a spherical structure.

3. The stud attaching and detaching tool according to claim 1, wherein: the outer wall of the nut part is of a polygonal structure.

4. A stud bolt removing tool according to claim 3, wherein: the outer wall of the nut is provided with hexagonal sections and cylindrical sections, and the hexagonal sections and the cylindrical sections are distributed along the axial direction of the nut.

5. The stud attaching and detaching tool according to claim 4, wherein: the hexagonal segments and the cylindrical segments are transitional connected.

6. The stud attaching and detaching tool according to claim 1, wherein: the nut is internally provided with a relief groove between the first and second threaded segments.