CN201032024Y - Rotary joint - Google Patents
Rotary joint Download PDFInfo
- Publication number
- CN201032024Y CN201032024Y CNU2007201095574U CN200720109557U CN201032024Y CN 201032024 Y CN201032024 Y CN 201032024Y CN U2007201095574 U CNU2007201095574 U CN U2007201095574U CN 200720109557 U CN200720109557 U CN 200720109557U CN 201032024 Y CN201032024 Y CN 201032024Y
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- CN
- China
- Prior art keywords
- joint part
- joint spare
- air inlet
- air input
- rubber tube
- 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
The utility model discloses a rotary joint, which comprises a fixed joint part and an air inlet joint part; the fixed joint part is correspondingly connected with a pneumatic device and the air inlet joint part is connected with an air inlet rubber tube; the end of the fixed joint part is connected with the end of the air inlet joint part in a sealing and rotary mode so as to form a free-rotary type structure. The fixed joint part and the air inlet joint part in the utility model can be rotated correspondingly. The air inlet rubber tube will not be plugged or damaged because of distorting and coiling during the movement process. When being manufactured, the center axis of a connecting end between the fixed joint part and the air inlet joint part can be arranged as a cross state; the rotary angle and the exposing combination direction are more flexible so as to make the air inlet rubber tube move smoothly with the pneumatic device; the operation is much more convenient with rational design structure, easy rotation and much higher 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 swivel 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, and the end rotary seal of permanent joint spare and air input joint spare is connected, and constitutes the free rotary structure.
Permanent joint spare of the present utility model and air input joint spare can relatively rotate, and gas inlet rubber tube can not twist winding yet and block or damage in moving.During fabrication, central axis that can the two connecting end 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 structure schematic representation of Fig. 1;
Fig. 3 is embodiment 2 a sectional structure schematic representation.
Embodiment
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.The end rotary seal of permanent joint spare 1 and air input joint spare 2 is connected, and constitutes the free rotary structure.In fact, can make in permanent joint spare 1 and the air input joint spare 2, its central axis is a bending-type, i.e. this adapter piece two end disalignments, and the central axis of both corresponding connecting ends of permanent joint spare 1 and air input joint spare 2 is coaxial or angle is staggered.It is bending-type that present embodiment adopts permanent joint spare 1, and its two ends angle is generally between the 0-90 degree.And that the central axis of air input joint spare 2 and permanent joint spare 1 connecting end is an angle is staggered, and angle is generally also between the 0-90 degree.Gas inlet rubber tube can rotate around permanent joint spare 1 end together with air input joint spare 2 like this, air input joint spare 2 towards variable, rotation is free, angular range is big, move mode is more flexible.Be provided with ball 3 and seal ring 4 between the corresponding connecting end of permanent joint spare of present embodiment 1 and air input joint spare 2, constitute the ball bearing mode rotational sealing structure, such sealing structure is very reliable, and rotation easily.
Embodiment 2: as shown in Figure 3, air input joint spare 2 is a bending-type, and the central axis of the connecting end of permanent joint spare 1 and air input joint spare 2 is coaxial, and all the other can realize the flexible combination of rotary freedom equally with embodiment 1.
Claims (3)
1. a swivel joint 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, and it is characterized by: permanent joint spare (1) is connected with the end rotary seal of air input joint spare (2), constitutes the free rotary structure.
2. swivel joint according to claim 1, it is characterized by: in permanent joint spare (1) and the air input joint spare (2) one, its central axis is a bending-type, i.e. these adapter piece two end disalignments, and the central axis of permanent joint spare (1) and both corresponding connecting ends of air input joint spare (2) is coaxial or angle staggered.
3. swivel joint according to claim 1 and 2 is characterized by: be provided with ball (3) and seal ring (4) between the corresponding connecting end of permanent joint spare (1) and air input joint spare (2), constitute the ball bearing mode rotational sealing structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201095574U CN201032024Y (en) | 2007-05-19 | 2007-05-19 | Rotary joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201095574U CN201032024Y (en) | 2007-05-19 | 2007-05-19 | Rotary joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201032024Y true CN201032024Y (en) | 2008-03-05 |
Family
ID=39163915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201095574U Expired - Fee Related CN201032024Y (en) | 2007-05-19 | 2007-05-19 | Rotary joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201032024Y (en) |
Cited By (4)
| 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 |
| CN106195495A (en) * | 2016-08-31 | 2016-12-07 | 慈溪市东菱机械有限公司 | Pneumatic screwdriver snap joint |
| CN106424067A (en) * | 2016-11-14 | 2017-02-22 | 重庆马谷纤维新材料有限公司 | Flying wadding cotton scattered material treatment device |
-
2007
- 2007-05-19 CN CNU2007201095574U patent/CN201032024Y/en not_active Expired - Fee Related
Cited By (5)
| 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 |
| CN106195495A (en) * | 2016-08-31 | 2016-12-07 | 慈溪市东菱机械有限公司 | Pneumatic screwdriver snap joint |
| CN106424067A (en) * | 2016-11-14 | 2017-02-22 | 重庆马谷纤维新材料有限公司 | Flying wadding cotton scattered material treatment device |
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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: 20080305 Termination date: 20110519 |