CN204235457U - Arc tooth anti-slip pipe wrench - Google Patents
Arc tooth anti-slip pipe wrench Download PDFInfo
- Publication number
- CN204235457U CN204235457U CN201420663522.5U CN201420663522U CN204235457U CN 204235457 U CN204235457 U CN 204235457U CN 201420663522 U CN201420663522 U CN 201420663522U CN 204235457 U CN204235457 U CN 204235457U
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- CN
- China
- Prior art keywords
- pipe wrench
- tooth
- arcwall face
- draught animal
- degree
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model discloses a kind of arc tooth anti-slip pipe wrench, comprise the pipe wrench upper and lower age of a draught animal, the surface that the upper and lower age of a draught animal is relative arranges pipe wrench tooth engaged respectively, relative surface of the upper and lower age of a draught animal is arcwall face.The utility model effectively can control pipe wrench and skids and personal injury accident occurs, and extends the pipe wrench life-span, reduces operating cost.
Description
Technical field
The utility model belongs to pipe wrench field, relates to a kind of arc tooth anti-slip pipe wrench.
Background technology
The pipe wrench tooth of current use is point-blank, and oil pipe is cylinder, and during every day use, pipe wrench straight teeth effectively contacts is one to two tooth, and easily skid, the life-span is short.When workmen operates, pipe wrench easily skids and frequently causes personal injury accidents, and frequently renews pipe wrench after the effective tooth damage of pipe wrench, increases operating cost.
Summary of the invention
The purpose of this utility model is to provide a kind of arc tooth anti-slip pipe wrench, effectively can control pipe wrench and skids and personal injury accident occurs, extend the pipe wrench life-span, reduce operating cost.
The purpose of this utility model is achieved in that a kind of arc tooth anti-slip pipe wrench, comprises the pipe wrench upper and lower age of a draught animal, and the surface that the upper and lower age of a draught animal is relative arranges pipe wrench tooth engaged respectively, and relative surface of the upper and lower age of a draught animal is arcwall face.
Improve as one of the present utility model, the radius of described arcwall face is 300mm, and arcwall face is 20 degree in its angle circumferentially covered.
As further improvement of the utility model, the between cog angle that the pipe wrench tooth engaged on lower arcuate face is adjacent is 88 degree.
As further improvement of the utility model, the pipe wrench tooth engaged crown on upper arcwall face is all centroclinal to arcwall face, and the angle of inclination of each tooth is 2 degree; Pipe wrench tooth engaged crown on arc lower face all tilts to arcwall face both sides, and the angle of inclination of each tooth is 2 degree.
The straight teeth of routine is changed to the corresponding arcuate tooth of oil pipe to increase effective teeth contact face by the utility model, prevents from skidding, and extends the pipe wrench life-span.Not there is not personal injury accident with after this pipe wrench, reduce operating cost.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Fig. 1 is main TV structure schematic diagram of the present utility model;
Fig. 2 is the utility model arcwall face dimensional structure schematic diagram.
Detailed description of the invention
A kind of arc tooth anti-slip pipe wrench, as shown in Figure 1, comprises the pipe wrench upper and lower age of a draught animal 2,4, and upper and lower age of a draught animal 2,4 relative surfaces arrange pipe wrench tooth engaged 1,3 respectively, and upper and lower age of a draught animal 2,4 relative surfaces are arcwall face.
Improve as one of the present utility model, as shown in Figure 2, the radius R of described arcwall face is 300mm, and arcwall face is 20 degree at its angle a circumferentially covered.
As further improvement of the utility model, the between cog angle that the pipe wrench tooth engaged on lower arcuate face is adjacent is 88 degree.
As further improvement of the utility model, pipe wrench tooth engaged 1 crown on upper arcwall face all tilts to arcwall face center line 5, and the angle of inclination of each tooth is 2 degree; Pipe wrench tooth engaged 3 crown on arc lower face all tilts to arcwall face both sides, and the angle of inclination of each tooth is 2 degree.
Claims (3)
1. an arc tooth anti-slip pipe wrench, comprise the pipe wrench upper and lower age of a draught animal, the surface that the upper and lower age of a draught animal is relative arranges pipe wrench tooth engaged respectively, it is characterized in that: the surface that the age of a draught animal is relative is up and down arcwall face, the radius of described arcwall face is 300mm, and arcwall face is 20 degree in its angle circumferentially covered.
2. arc tooth anti-slip pipe wrench according to claim 1, is characterized in that: the between cog angle that the pipe wrench tooth engaged on lower arcuate face is adjacent is 88 degree.
3. arc tooth anti-slip pipe wrench according to claim 1 and 2, is characterized in that: the pipe wrench tooth engaged crown on upper arcwall face is all centroclinal to arcwall face, and the angle of inclination of each tooth is 2 degree; Pipe wrench tooth engaged crown on arc lower face all tilts to arcwall face both sides, and the angle of inclination of each tooth is 2 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420663522.5U CN204235457U (en) | 2014-11-10 | 2014-11-10 | Arc tooth anti-slip pipe wrench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420663522.5U CN204235457U (en) | 2014-11-10 | 2014-11-10 | Arc tooth anti-slip pipe wrench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204235457U true CN204235457U (en) | 2015-04-01 |
Family
ID=52765008
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420663522.5U Active CN204235457U (en) | 2014-11-10 | 2014-11-10 | Arc tooth anti-slip pipe wrench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204235457U (en) |
-
2014
- 2014-11-10 CN CN201420663522.5U patent/CN204235457U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |