CN215434989U - Rubber expansion claw - Google Patents
Rubber expansion claw Download PDFInfo
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- CN215434989U CN215434989U CN202122089365.4U CN202122089365U CN215434989U CN 215434989 U CN215434989 U CN 215434989U CN 202122089365 U CN202122089365 U CN 202122089365U CN 215434989 U CN215434989 U CN 215434989U
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- expansion claw
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Abstract
The utility model provides a rubber expansion claw, comprising: the device comprises an expanding machine, an expanding claw and a mounting seat; the expansion claw is embedded in the expander through a mounting seat and connected with the expander in an inserting manner; the mounting seat is connected with the expanding machine through a bolt in a screwed mode; through the improvement of the structure, the utility model has the advantages of reasonable structural design, moderate hardness, difficult breakage and bending, large distribution range, good expansion effect, moderate slope resistance, convenient taking out after the bushing is installed, difficult outward sliding of rubber in the expansion process and capability of preventing the end part of the expansion claw from damaging the bushing, thereby effectively solving the problems and the defects of the existing device.
Description
Technical Field
The utility model relates to the technical field of rubber processing, in particular to a rubber expansion claw.
Background
The rubber is a high-elasticity polymer material with reversible deformation, is rich in elasticity at room temperature, can generate large deformation under the action of small external force, and can recover the original shape after the external force is removed. Rubber is a completely amorphous polymer with a low glass transition temperature (Tg) and a molecular weight often very high, greater than several hundred thousand.
The rubber expanding machine is equipment for expanding and expanding a rubber bushing to facilitate the rubber bushing to be sleeved on other devices, and the existing rubber expanding claw is mainly designed with four claws, so that the rubber bushing is high in hardness and easy to break, low in hardness and easy to bend and cannot be expanded; the lining can not be taken out after the inclination is small, the rubber slides outwards in the inclination large expansion process, the production can not be carried out, and a great deal of inconvenience is caused in the use process.
In view of the above, the present invention provides a rubber expansion claw, which is improved in view of the conventional problems, and aims to solve the problems and improve the practical value by the technology.
Disclosure of Invention
The present invention is directed to a rubber expansion claw that solves the problems and disadvantages set forth in the background above.
In order to achieve the above purpose, the present invention is achieved by the following specific technical means:
a rubber expansion jaw comprising: the device comprises an expanding machine, an expanding claw and a mounting seat; the expansion claw is embedded in the expander through a mounting seat and connected with the expander in an inserting manner; the mounting seat is connected with the expanding machine through a bolt in a screwed mode.
As a further optimization of the technical scheme, the expansion claws are made of 52-degree spring steel, and six expansion claws are distributed and arranged on the expansion machine in an annular array shape.
As a further optimization of the technical proposal, the main view surface of the expanding claw is fan-shaped, the top view surface is cone-shaped, the diameter of the front end of the expanding claw is 15.5mm, and the diameter of the rear end is 19.5 mm.
As a further optimization of the present invention, the front end of the expansion claw has a semicircular shape in plan view.
Due to the application of the technical scheme, compared with the prior art, the utility model has the following advantages:
1. according to the utility model, the expansion claw is made of 52-degree spring steel, and six expansion claws are arranged on the expansion machine in an annular array manner, so that the expansion claw is moderate in hardness, is not easy to break and bend, is easy to expand rubber, and is provided with six expansion claws to enlarge the distribution range, thereby improving the expansion effect.
2. According to the utility model, the main view surface of the expansion claw is fan-shaped, the overlooking surface of the expansion claw is conical, the diameter of the front end of the expansion claw is 15.5mm, and the diameter of the rear end of the expansion claw is 19.5mm, so that the inclination resistance is moderate, the expansion claw is convenient to take out after the bushing is installed, the rubber is not easy to slide outwards in the expansion process, and the strength of the expansion claw is enhanced.
3. The utility model can prevent the end part of the expansion claw from damaging the bush by arranging the front end part of the expansion claw in a semicircular shape in plan view.
4. Through the improvement of the structure, the utility model has the advantages of reasonable structural design, moderate hardness, difficult breakage and bending, large distribution range, good expansion effect, moderate slope resistance, convenient taking out after the bushing is installed, difficult outward sliding of rubber in the expansion process and capability of preventing the end part of the expansion claw from damaging the bushing, thereby effectively solving the problems and the defects of the existing device.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:
FIG. 1 is a schematic front view of the present invention;
fig. 2 is a schematic top view of the expanding claw according to the present invention.
In the figure: expander 1, expansion claw 2, mount pad 3.
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.
It is to be noted that, in the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the utility model.
Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Meanwhile, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "connected" and "connected" should be interpreted broadly, for example, as being fixedly connected, detachably connected, or integrally connected; the connection can be mechanical connection or electrical connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
A rubber expansion jaw comprising: the device comprises an expander 1, an expansion claw 2 and a mounting seat 3; the expansion claw 2 is embedded and installed on the expander 1 through the installation seat 3, and the expansion claw 2 is connected with the expander 1 in an inserting mode; the mounting seat 3 is screwed with the expander 1 through a bolt.
Specifically, the expansion claw 2 is made of 52-degree spring steel, and six expansion claws 2 are distributed and installed on the expander 1 in an annular array.
Specifically, the expansion claw 2 has a fan-shaped front view and a cone-shaped top view, and the diameter of the front end of the expansion claw 2 is 15.5mm and the diameter of the rear end thereof is 19.5 mm.
Specifically, the distal end of the expansion claw 2 has a semicircular shape in plan view.
The method comprises the following specific implementation steps: the mounting seat 3 of the expansion claw 2 is mounted in the expander 1 and fixed through a bolt, when the expander 1 rotates, the expansion claw 2 slides along a sliding groove in the expander 1 to realize expansion or closing, and as the expansion claw 2 is made of 52-degree spring steel and is distributed and mounted at six positions on the expander 1 in an annular array manner, the distribution range is enlarged, the expansion effect is improved, and meanwhile, the material hardness is moderate, the expansion claw is not easy to break and bend, and the rubber is easy to expand; and the inclination resistance of the expansion claw 2 is moderate, the expansion claw can be conveniently taken out after the bushing is installed, and the rubber is not easy to slide outwards in the expansion process.
In summary, the following steps: according to the rubber expansion claw, the expansion claw is made of 52-degree spring steel, six parts are distributed on the expansion claw in an annular array manner, the hardness is moderate, the rubber is not easy to break and bend, the rubber is easy to expand, the distribution range is enlarged by installing six parts, and the expansion effect is improved; the main view surface of the expansion claw is fan-shaped, the top view surface of the expansion claw is conical, the diameter of the front end of the expansion claw is 15.5mm, the diameter of the rear end of the expansion claw is 19.5mm, the inclination resistance is moderate, the expansion claw is convenient to take out after a bushing is installed, rubber is not prone to outwards sliding in the expansion process, and meanwhile the strength of the expansion claw is enhanced; the top view of the front end part of the expansion claw is semicircular, so that the end part of the expansion claw can be prevented from damaging the bush; through the improvement to above-mentioned structure, it is reasonable to have a structural design, and hardness is moderate, difficult disconnected also difficult bending, and distribution range is big, the expansion effect is good, and the inclination resistance is moderate, conveniently takes out after the installation bush, and the difficult outside slip of rubber in the expansion process, can prevent to expand the tip of claw and hinder the advantage of bush to effectual problem and the not enough that appear in having solved current device.
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 (4)
1. A rubber expansion jaw comprising: the device comprises an expanding machine (1), an expanding claw (2) and a mounting seat (3); the method is characterized in that: the expansion claw (2) is embedded in the expander (1) through the mounting seat (3), and the expansion claw (2) is connected with the expander (1) in an inserting mode; the mounting seat (3) is connected with the expanding machine (1) through a bolt in a screwed mode.
2. A rubber expansion claw according to claim 1, wherein: the expansion claw (2) is made of 52-degree spring steel, and six expansion claws (2) are distributed on the expander (1) in an annular array shape.
3. A rubber expansion claw according to claim 1, wherein: the main visual surface of the expansion claw (2) is fan-shaped, the top visual surface of the expansion claw is cone-shaped, the diameter of the front end of the expansion claw (2) is 15.5mm, and the diameter of the rear end of the expansion claw is 19.5 mm.
4. A rubber expansion claw according to claim 1, wherein: the top view of the front end part of the expansion claw (2) is semicircular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122089365.4U CN215434989U (en) | 2021-09-01 | 2021-09-01 | Rubber expansion claw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122089365.4U CN215434989U (en) | 2021-09-01 | 2021-09-01 | Rubber expansion claw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215434989U true CN215434989U (en) | 2022-01-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122089365.4U Active CN215434989U (en) | 2021-09-01 | 2021-09-01 | Rubber expansion claw |
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| CN (1) | CN215434989U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115923175A (en) * | 2022-12-15 | 2023-04-07 | 中国机械总院集团江苏分院有限公司 | A protective sheath expanding mechanism and automatic complete sets of going up for elevator guide rail tenon |
-
2021
- 2021-09-01 CN CN202122089365.4U patent/CN215434989U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115923175A (en) * | 2022-12-15 | 2023-04-07 | 中国机械总院集团江苏分院有限公司 | A protective sheath expanding mechanism and automatic complete sets of going up for elevator guide rail tenon |
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