CN201014100Y - Rotary type joint - Google Patents
Rotary type joint Download PDFInfo
- Publication number
- CN201014100Y CN201014100Y CNU200720106837XU CN200720106837U CN201014100Y CN 201014100 Y CN201014100 Y CN 201014100Y CN U200720106837X U CNU200720106837X U CN U200720106837XU CN 200720106837 U CN200720106837 U CN 200720106837U CN 201014100 Y CN201014100 Y CN 201014100Y
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- CN
- China
- Prior art keywords
- joint spare
- rotary
- gas inlet
- air input
- revolving part
- Prior art date
- 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.)
- Expired - Fee Related
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Abstract
A rotary joint comprises a fixed joint component correspondingly connected with a pneumatic equipment and a gas inlet joint component connected with a gas inlet hose, the fixed joint component and the gas inlet joint component are reelingly sealed and connected with the two ends of a rotary component respectively, air passages which are communicated the fixed joint component and the gas inlet joint component are arranged inside the rotary component. The fixed joint component, the rotary component and the gas inlet joint component of the utility model can be rotated relatively to each other; the gas inlet hose can not be twisted, blocked or broken in a moving status. The central axes of the three components can be arranged in an interleaving status, the composition of rotary angle and directions is more flexible, thus smoothing the motion of the gas inlet hose driven by a pneumatic tool, the operation is more convenient, and the structure is reasonable, the rotary operation is easy with high reliability.
Description
Technical field:
The utility model relates to the suction tude joint that a kind of pneumatic equipment, instrument are used.
Background technique:
The pipe joint that general pneumatic tool, equipment are used all is fixed, utilizes a permanent joint spare that is connected on the equipment suction port to be connected mutually with an air input joint spare that is connected gas inlet rubber tube, and gas inlet rubber tube is fixed and can't rotates.In use, various pneumatic tools need be on the move as pneumatic nail gun, aerodynamic wind big gun etc., gas inlet rubber tube can not smooth and easyly be followed, and can influence operation, and sebific duct crooked easily in moving, twine and damage, and may bending block gas communication, influence pneumatic equipment work.
Summary of the invention:
At the deficiencies in the prior art, it is a kind of rational in infrastructure that the utility model provides, the rotary joint that gas inlet rubber tube is free to rotate.
The utility model comprises and the corresponding permanent joint spare that is connected of pneumatic equipment, and the air input joint spare that is connected with gas inlet rubber tube, permanent joint spare and air input joint spare rotary seal respectively are connected the two ends of revolving part, the inside of this revolving part is provided with gas flow, is communicated with permanent joint spare and air input joint spare respectively.
Permanent joint spare of the present utility model, revolving part and air input joint spare three can relatively rotate, and gas inlet rubber tube can not twist winding yet and block or damage in moving.Central axis that during fabrication can the three is set to staggered state, and the angle of rotation, more flexible towards combination makes gas inlet rubber tube move with pneumatic tool is smooth and easy, and is more convenient to operate, and rational in infrastructure, rotation easily, reliability is higher.
Further specify the utility model below in conjunction with drawings and Examples.
Description of drawings:
Fig. 1 is main schematic representation of the embodiment 1;
Fig. 2 is the sectional view of Fig. 1;
Fig. 3 is another rotation combination phase diagram of Fig. 2;
Fig. 4 is main schematic representation of the embodiment 2;
Fig. 5 is main schematic representation of the embodiment 3.
Embodiment 1: as depicted in figs. 1 and 2, permanent joint spare 1 is connected with pneumatic equipment is corresponding, and air input joint spare 2 is connected with gas inlet rubber tube 7.Permanent joint spare 1 and air input joint spare 2 rotary seal respectively are connected the two ends of revolving part 3, and the inside of this revolving part 3 is provided with gas flow 4, is communicated with permanent joint spare 1 and air input joint spare 2 respectively.In fact, can make revolving part 3 gas inside runners 4 be curved or bending straight line type, the centre rotational axis line angle degree at its two ends is staggered.In permanent joint spare 1 and the air input joint spare 2 at least one, the centre rotational axis line of the corresponding connecting end of its central axis and revolving part 3 also constitutes staggered oblique angle.Present embodiment adopts the connecting end of permanent joint spare 1 and revolving part 3 coaxial, and the connecting end of air input joint spare 2 and revolving part 3 is staggered.Gas inlet rubber tube 7 can rotate around revolving part 3 ends together with air input joint spare 2 like this, air input joint spare 2 towards variable, can also be combined into straight line coaxial fitting as shown in Figure 3.Gas inlet rubber tube 7 can also be with the rotational of revolving part 3 around permanent joint 1 together with air input joint spare 2, and rotation independent assortment mode is many, and angular range is big, and the move mode of gas inlet rubber tube 7 is more flexible.Be equipped with ball 5 and seal ring 6 between the corresponding connecting end of permanent joint spare of present embodiment 1 or air input joint spare 2 and revolving part 3, constitute the ball bearing mode rotational sealing structure, such sealing structure is very reliable, and rotation easily.
Embodiment 2: as shown in Figure 4, permanent joint body 1 and revolving part 3 connecting end axis stagger angles, air input joint spare 2 and revolving part 3 are coaxial, and all the other are with embodiment 1.Can realize the flexible combination of rotary freedom equally.
Embodiment 3: as shown in Figure 5, permanent joint spare 1 and air input joint spare 2 are the stagger angle state with the connecting end axis of revolving part 3, and all the other are with embodiment 1.The angle of swing of present embodiment and bigger like this towards combination range.
Claims (5)
1. rotary joint, comprise and the corresponding permanent joint spare that is connected of pneumatic equipment, and the air input joint spare that is connected with gas inlet rubber tube, it is characterized by: permanent joint spare (1) and air input joint spare (2) rotary seal respectively are connected the two ends of revolving part (3), the inside of this revolving part (3) is provided with gas flow (4), is communicated with permanent joint spare (1) and air input joint spare (2) respectively.
2. rotary joint according to claim 1 is characterized by: at least one in permanent joint spare (1) and the air input joint spare (2), the centre rotational axis line of the corresponding connecting end of its central axis and revolving part (3) constitute staggered oblique angle.
3. rotary joint according to claim 1 and 2 is characterized by: revolving part (3) gas inside runner (4) is curved or bending straight line type, and the centre rotational axis line angle degree at its two ends is staggered.
4. rotary joint according to claim 1 and 2, tool is characterized as: be equipped with ball (5) and seal ring (6) between the corresponding connecting end of permanent joint spare (1) or air input joint spare (2) and revolving part (3), constitute the ball bearing mode rotational sealing structure.
5. rotary joint according to claim 3 is characterized by: be equipped with ball (5) and seal ring (6) between the corresponding connecting end of permanent joint spare (1) or air input joint spare (2) and revolving part (3), constitute the ball bearing mode rotational sealing structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200720106837XU CN201014100Y (en) | 2007-02-16 | 2007-02-16 | Rotary type joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200720106837XU CN201014100Y (en) | 2007-02-16 | 2007-02-16 | Rotary type joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201014100Y true CN201014100Y (en) | 2008-01-30 |
Family
ID=39025894
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200720106837XU Expired - Fee Related CN201014100Y (en) | 2007-02-16 | 2007-02-16 | Rotary type joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201014100Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102628535A (en) * | 2012-04-16 | 2012-08-08 | 宁波飞驹工具有限公司 | Air inlet device for air shear |
| CN102814798A (en) * | 2011-06-08 | 2012-12-12 | 株式会社牧田 | Supply device for a handheld power tool and a power tool of this type |
-
2007
- 2007-02-16 CN CNU200720106837XU patent/CN201014100Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102814798A (en) * | 2011-06-08 | 2012-12-12 | 株式会社牧田 | Supply device for a handheld power tool and a power tool of this type |
| CN102814798B (en) * | 2011-06-08 | 2016-06-15 | 株式会社牧田 | Feedway and hand-held power tool for hand-held power tool |
| CN102628535A (en) * | 2012-04-16 | 2012-08-08 | 宁波飞驹工具有限公司 | Air inlet device for air shear |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080130 Termination date: 20120216 |