CN219213031U - Tool for loosening screw - Google Patents
Tool for loosening screw Download PDFInfo
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- CN219213031U CN219213031U CN202320311308.2U CN202320311308U CN219213031U CN 219213031 U CN219213031 U CN 219213031U CN 202320311308 U CN202320311308 U CN 202320311308U CN 219213031 U CN219213031 U CN 219213031U
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- screw
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- tool
- loosening
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Abstract
The utility model provides a tool for loosening screws, and belongs to the technical field of tools. It has solved the inconvenient problem of rust screw dismantlement. The device comprises a cylindrical body which is made of metal materials, wherein a mounting hole penetrating through the lower end of the body is formed in the body, a rod-shaped acting piece and a jacking spring with elasticity acting downwards on the acting piece are arranged in the mounting hole, a connecting part extending out of the lower end of the body is arranged at the lower end of the acting piece, a positioning hole communicated with the mounting hole is formed in the side part of the body, a spiral groove is formed in the outer side of the acting piece, and steel balls are arranged in the positioning hole and are partially located in the spiral groove. The screw has the advantages of improving the disassembly convenience of the rusted screw, along with wide applicability and the like.
Description
Technical Field
The utility model belongs to the technical field of tools, and relates to a tool for loosening screws.
Background
In the existing connecting structure, the two parts are fixedly connected by adopting screws, so that the connecting structure has a good fixing effect, and the screws can be loosened by utilizing a screwdriver to separate the two parts when needed so as to be convenient to maintain or replace. In general, screws exposed to the outside are easily corroded and oxidized to cause rust, and the rusted screws are difficult to unscrew by using a screwdriver due to adhesion at a corroded position, namely, the problem of inconvenient disassembly exists. In the face of the situation, the conventional operation of workers is to knock the screw by utilizing a hammer, shake off the rusted and adhered position of the screw, and then screw off the rusted screw by utilizing a screwdriver; or, spraying a rust remover on the screw to corrode the rusted part of the screw, and then screwing off the rusted screw by using a screwdriver.
Disclosure of Invention
The utility model aims at solving the problems existing in the prior art, and provides a tool for loosening screws, which solves the problem that the rusted screws are inconvenient to detach.
The aim of the utility model can be achieved by the following technical scheme:
the utility model provides a tool for loosening screw, includes and is cylindric body, its characterized in that, the body be metal material, this internal mounting hole that runs through its lower extreme that has is equipped with in the mounting hole and is the action piece of shaft-like and elasticity push down the spring on the action piece, action piece lower extreme has the connecting portion that stretches out the body lower extreme, the body lateral part is equipped with the locating hole that is linked together with the mounting hole, the action piece outside is equipped with the helicla flute, is equipped with steel ball and steel ball part is located the helicla flute in the locating hole.
When the hammer is used, a user holds the body by one hand and inserts the connecting part into the cross groove or the inner hexagonal groove on the screw (the shape of the connecting part is set according to an actual use object, namely, the shape of the connecting part is set to be the same as the cross groove if the cross groove is formed on the screw, and the shape of the connecting part is set to be the same as the inner hexagonal groove if the inner hexagonal groove is formed on the screw), and then the other hand of the user holds the hammer to strike the upper end of the body. Because the installation hole of the body is internally provided with the jacking spring with elasticity acting downwards on the acting piece, the body is forced to move downwards relative to the acting piece when a user holds the hammer to strike the upper end of the body. And because the side part of the body is provided with the positioning hole communicated with the mounting hole, the outer side of the acting piece is provided with the spiral groove, and the steel ball is arranged in the positioning hole and is partially positioned in the spiral groove, the steel ball also moves downwards in the process of downwards moving the body relative to the acting piece, and the steel ball drives the acting piece to rotate along the spiral groove, so that the screw is automatically loosened. Through the arrangement, the disassembly convenience of the rusted screw is improved well.
In the above tool for loosening screws, the positioning hole penetrates through the outer side wall of the body, the pressing piece is connected with the positioning hole in a threaded manner, the pressing piece abuts against the steel balls, the pressing piece is located outside the body, and the outer side of the pressing piece located outside the body is provided with the hexagonal operation part.
During assembly, the acting part and the jacking spring are arranged in the mounting hole of the body, then the steel balls are arranged in the positioning hole from the outer side of the body and are partially positioned in the spiral groove of the acting part, finally the jacking part is connected in the positioning hole in a threaded manner, and the steel balls are limited by the jacking part and cannot be separated from the spiral groove, so that the assembly of the steel balls is facilitated, and meanwhile, the reliability of disassembling the rusted screw by using the tool is ensured.
In the tool for loosening screws, knurling is arranged on the outer side of the body.
The knurling can increase the frictional force when the user holds the body, avoids the condition that the body and the palm of the user skid when knocking the body with the hammer, and improves the reliability of use.
In the above tool for loosening screws, the acting member comprises a rod body and a connector detachably connected to the lower end of the rod body, and the connecting portion is located at the lower end of the connector.
Through setting up the action piece to including the body of rod and can dismantle the connector of connection at the body of rod lower extreme, connecting portion is located the lower tip of connector, can adapt to different grade type screw through the connector of the connecting portion that change has different shapes like this, has improved the suitability.
In the tool for loosening the screw, the upper end part of the connector is provided with a connecting groove which is a dovetail groove, and the lower end part of the rod body is provided with a matching part inserted in the connecting groove.
In the above tool for loosening screws, as another technical scheme, the connecting head is screwed at the lower end of the rod body.
In the tool for loosening the screw, the upper end of the rod body is convexly provided with the sleeving part, the jacking spring is sleeved on the sleeving part, and two ends of the jacking spring respectively lean against the inner top wall of the mounting hole and the upper end face of the rod body.
Compared with the prior art, the tool for loosening the screw has the following advantages:
1. through setting up action piece and roof pressure spring in the mounting hole of body to through the cooperation of steel ball and helicla flute, make the user utilize the hammer to strike behind the body upper end can drive action piece rotation with the help of the body relative to the downmovement of action piece in order to loosen the screw voluntarily, improved the dismantlement convenience of rust screw;
2. through setting up the action piece to including the body of rod and can dismantle the connector of connection at the body of rod lower extreme, connecting portion is located the lower tip of connector, can adapt to different grade type screw through the connector of the connecting portion that change has different shapes like this, has improved the suitability.
Drawings
Fig. 1 is a schematic perspective view of the tool for loosening screws.
Fig. 2 is a vertical cross-sectional view of the tool for loosening screws.
Fig. 3 is a schematic view of the action member in the tool for loosening screws.
In the figure, 1, a body; 1a, mounting holes; 1b, positioning holes; 1c, knurling; 2. an action member; 2a, a rod body; 2a1, a spiral groove; 2a2, mating part; 2a3, a sleeve joint part; 2b, a connector; 2b1, a connection portion; 2b2, a connecting groove; 3. a pressing spring; 4. steel balls; 5. a pressing piece; 5a, an operation part.
Detailed Description
The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.
Example 1
As shown in fig. 1 to 3, the screw loosening tool comprises a cylindrical metal body 1, wherein a mounting hole 1a penetrating the lower end of the body 1 is formed in the body 1, a rod-shaped acting element 2 is arranged in the mounting hole 1a, a pressing spring 3 acting on the acting element 2 downwards with elasticity is arranged in the mounting hole 1a, and a connecting part 2b1 extending out of the lower end of the body 1 is arranged at the lower end of the acting element 2. The lateral part of the body 1 is provided with a positioning hole 1b communicated with the mounting hole 1a, the outer side of the acting part 2 is provided with a spiral groove 2a1, the positioning hole 1b is internally provided with a steel ball 4, and the steel ball 4 is partially positioned in the spiral groove 2a 1. In this embodiment, knurling 1c is provided on the outer side of the body 1, the number of spiral grooves 2a1 is two, and the number of positioning holes 1b is two, the two positioning holes 1b are symmetrically arranged, and steel balls 4 are provided in the two positioning holes 1 b. The locating hole 1b runs through the lateral wall of the body 1, the internal thread of the locating hole 1b is connected with a jacking piece 5, the jacking piece 5 is propped against the steel balls 4, the jacking piece 5 is partially positioned outside the body 1, and the outer side of the jacking piece 5 positioned outside the body 1 is provided with a hexagonal operation part 5a. During assembly, the acting piece 2 and the pressing spring 3 are arranged in the mounting hole 1a of the body 1, then the steel balls 4 are arranged in the positioning hole 1b from the outer side of the body 1 and are partially positioned in the spiral groove 2a1 of the acting piece 2, finally the pressing piece 5 is connected in the positioning hole 1b in a threaded manner, and the steel balls 4 are limited by the pressing piece 5 and cannot be separated from the spiral groove 2a 1.
In use, a user holds the body 1 with one hand and inserts the connecting portion 2b1 into the cross groove or the inner hexagonal groove on the screw (the shape of the connecting portion 2b1 is set according to the actual use object, that is, if the screw is the cross groove, the shape of the connecting portion 2b1 is set to be the same as the cross groove, and if the screw is the inner hexagonal groove, the shape of the connecting portion 2b1 is set to be the same as the inner hexagonal groove), and then the user holds the hammer with the other hand to strike the upper end of the body 1. Because the installation hole 1a of the body 1 is internally provided with the pressing spring 3 with elasticity acting downwards on the acting piece 2, the body 1 is forced to move downwards relative to the acting piece 2 when a user holds the hammer to strike the upper end of the body 1. And because the lateral part of the body 1 is provided with the locating hole 1b communicated with the mounting hole 1a, the outer side of the acting piece 2 is provided with the spiral groove 2a1, and the locating hole 1b is internally provided with the steel ball 4 and the steel ball 4 is partially positioned in the spiral groove 2a1, the steel ball 4 moves downwards in the downward moving process of the body 1 relative to the acting piece 2, and the steel ball 4 drives the acting piece 2 to rotate along the spiral groove 2a1, so that the screw is automatically loosened.
Further, as shown in fig. 2 and 3, the acting element 2 includes a rod 2a and a connector 2b detachably connected to the lower end of the rod 2a, the connecting portion 2b1 is located at the lower end of the connector 2b, and the spiral groove 2a1 is disposed outside the rod 2 a. The upper end of the connector 2b is provided with a connecting groove 2b2, the connecting groove 2b2 is a dovetail groove, and the lower end of the rod body 2a is provided with a matching part 2a2 inserted in the connecting groove 2b 2. Through setting up action part 2 to including body of rod 2a and can dismantle connector 2b of connection at body of rod 2a lower extreme, connecting portion 2b1 is located connector 2 b's lower extreme, can adapt to different grade type screw through the connector 2b of the connecting portion 2b1 that changes having different shapes like this, has improved the suitability. The upper end of the rod body 2a is convexly provided with a sleeving part 2a3, the jacking spring 3 is sleeved on the sleeving part 2a3, and two ends of the jacking spring respectively lean against the inner top wall of the mounting hole 1a and the upper end face of the rod body 2 a.
Example two
The present embodiment is basically the same in structure and principle as the first embodiment, except that: in this embodiment, the connector 2b is screwed to the lower end of the rod body 2 a.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.
Claims (7)
1. The utility model provides a tool for loosening screw, includes and is cylindric body (1), its characterized in that, body (1) be metal material, have in body (1) and run through mounting hole (1 a) of its lower extreme, be equipped with in mounting hole (1 a) and be shaft-like action piece (2) and elasticity roof pressure spring (3) down effect on action piece (2), action piece (2) lower extreme has connecting portion (2 b 1) that stretch out body (1) lower extreme, body (1) lateral part is equipped with locating hole (1 b) that are linked together with mounting hole (1 a), action piece (2) outside is equipped with helicla flute (2 a 1), be equipped with steel ball (4) in locating hole (1 b) and steel ball (4) part are located helicla flute (2 a 1).
2. The screw loosening tool according to claim 1, wherein the positioning hole (1 b) penetrates through the outer side wall of the body (1), the positioning hole (1 b) is internally connected with a pressing piece (5) in a threaded manner, the pressing piece (5) abuts against the steel ball (4), and the pressing piece (5) is partially positioned outside the body (1) and is provided with a hexagonal operating part (5 a) positioned outside the pressing piece (5) outside the body (1).
3. Tool for loosening screws according to claim 2, characterized in that the outside of the body (1) is provided with knurling (1 c).
4. A screw loosening tool according to claim 1, 2 or 3, characterized in that the acting element (2) comprises a rod body (2 a) and a connector (2 b) detachably connected to the lower end of the rod body (2 a), and the connecting part (2 b 1) is located at the lower end of the connector (2 b).
5. The screw loosening tool according to claim 4, wherein the upper end portion of the connecting head (2 b) is provided with a connecting groove (2 b 2), the connecting groove (2 b 2) is a dovetail groove, and the lower end portion of the rod body (2 a) is provided with a fitting portion (2 a 2) inserted into the connecting groove (2 b 2).
6. A tool for loosening screws as claimed in claim 4, wherein the connecting head (2 b) is screwed to the lower end of the rod body (2 a).
7. The screw loosening tool according to claim 4, wherein the upper end of the rod body (2 a) is convexly provided with a sleeving part (2 a 3), the jacking spring (3) is sleeved on the sleeving part (2 a 3), and two ends of the jacking spring respectively lean against the inner top wall of the mounting hole (1 a) and the upper end face of the rod body (2 a).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320311308.2U CN219213031U (en) | 2023-02-09 | 2023-02-09 | Tool for loosening screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320311308.2U CN219213031U (en) | 2023-02-09 | 2023-02-09 | Tool for loosening screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219213031U true CN219213031U (en) | 2023-06-20 |
Family
ID=86736785
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320311308.2U Active CN219213031U (en) | 2023-02-09 | 2023-02-09 | Tool for loosening screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219213031U (en) |
-
2023
- 2023-02-09 CN CN202320311308.2U patent/CN219213031U/en active Active
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