CN201636467U - Air intake mechanism for universal joint of pneumatic tool - Google Patents
Air intake mechanism for universal joint of pneumatic tool Download PDFInfo
- Publication number
- CN201636467U CN201636467U CN2010201693921U CN201020169392U CN201636467U CN 201636467 U CN201636467 U CN 201636467U CN 2010201693921 U CN2010201693921 U CN 2010201693921U CN 201020169392 U CN201020169392 U CN 201020169392U CN 201636467 U CN201636467 U CN 201636467U
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- sleeve
- joint
- spheroid
- pneumatic tool
- air intake
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Abstract
A air intake mechanism for the universal joint of a pneumatic tool comprises a front joint and a rear joint, and is characterized in that the front part of the front joint is provided with an air intake connector in threaded connection with the handle body of the body of the pneumatic tool, a sleeve is arranged at the rear part of the front joint, a sphere is arranged at the front part of the rear joint, the rear part of the rear joint is connected to an air intake rubber tube outside, the sphere is inserted into the sleeve and is hermetically connected with the sleeve, the sphere can rotate freely and swing transversely inside the sleeve, and a soft sleeve is sleeved on the outer sides of the sleeve and the sphere. Through the connection of the front and the rear joints, the joints not only can be mounted and dismounted conveniently, but also can rotate freely and swing horizontally to a certain degree relative to the air intake connector on the handle body of the pneumatic tool, and an air intake rubber tube is prevented from being blocked during the using process.
Description
Technical field
The utility model relates to a kind of air tool admission gear, particularly relates to a kind of air tool joint admission gear.
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 starting nail rifle, aerodynamic wind big gun etc., gas inlet rubber tube can not smooth and easyly be followed, can influence operate, and sebific duct crooked easily in moving, twine and damage, and may bending block gas communication, influence pneumatic equipment work.Therefore the air input joint that some can be for convenience detach and install has appearred, the convenient gas inlet rubber tube that when using and carrying, momentarily disassembles, such as Chinese patent CN201083302Y disclosed " air tool air inlet rapid pipe joint ", this joint comprises middle joint, Female connector fittings, air input joint, the middle joint front end can carry out pore with pneumatic tool and cooperate, screw-thread fit is passed through in Female connector fittings and middle joint rear end, the air input joint front end is a cutting graftage part, this cutting graftage part places in the Female connector fittings and with the attachment hole of middle joint rear end and cooperates, and the air input joint rear portion connects high-pressure air pipe.Though such joint can make things convenient for dismounting and install, can in handling process, prevent the damage of gas inlet rubber tube joint,, in use, still might the bending sebific duct block that air-flow is unimpeded to influence pneumatic equipment work.Therefore the joint of angle of swing has arbitrarily also appearred, as Chinese patent CN201032024Y disclosed " swivel joint ", this joint comprises the permanent joint spare of corresponding connection with pneumatic equipment, the air input joint spare that is connected with gas inlet rubber tube, the end rotary seal of permanent joint spare and air input joint spare is connected, one in permanent joint spare and the air input joint spare wherein, its central axis is a bending-type, therefore, air input joint spare can rotate freely with respect to permanent joint spare, and because one of them is bending-type, so gas inlet rubber tube just can rotate freely and can the bending sebific duct.But such swivel joint, at first secondly its rotation underaction, because one of them is a bending-type, will certainly have influence on the unobstructed property of air inlet.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of installation for convenience detach at above-mentioned prior art present situation, can rotate freely, deflect and guarantee the pneumatic tool universal joint admission gear that air inlet is unobstructed.
The utility model solves the problems of the technologies described above the technological scheme that is adopted: a kind of pneumatic tool universal joint admission gear, comprise front connector and back joint, it is characterized in that: the front portion of described front connector has screw thread and is fixedly attached to intake interface on the handle body of pneumatic tool body, the rear portion of described front connector is a sleeve, the front portion of described back joint is a spheroid, the rear portion is connected to outside gas inlet rubber tube, described spheroid is inserted in the described sleeve and with described sleeve seal and is connected, and described spheroid can rotate freely and teeter in described sleeve, and a soft cover is socketed in the outside of sleeve and spheroid.By the connection of such front and back joint, this joint that not only can be easy for installation and removal, and this joint with respect to the intake interface on the air tool handle body can rotate freely and about certain swing, can prevent from use to stop up gas inlet rubber tube.
In order to prevent gas leakage better and to be beneficial to back joint rotation, be plugged with V-shaped seal ring between described spheroid front end and the sleeve, be plugged with steel ball between the rear end of described spheroid and the sleeve.
Preferably, the described sleeve outside has the hole, and described steel ball enters in the sleeve and by screw from this hole and seals.
As another embodiment of the present utility model, the set position of described sleeve and described spheroid also can exchange.
Compared with prior art, advantage of the present utility model is to utilize anterior back joint and front connector for spheroid to be tightly connected, the degrees of freedom that can make this admission gear have 360 degree rotations and to a certain degree deflect with respect to body with respect to the pneumatic tool body, even therefore the adjustment in some actions can in use be arranged can not stop up and the bending admission line yet, keep the unobstructed of air inlet, and front connector is carried out thread seal with pneumatic tool handle body and is connected, the gas inlet rubber tube at this admission gear of dismounting easily and admission gear rear portion.And the use of V-shaped seal ring can prevent the gas leakage of air input joint better, and steel ball can increase the flexible performance of joint rotation.
Description of drawings
Fig. 1 is the schematic representation after the utility model embodiment's universal joint admission gear assembling is finished.
Fig. 2 is the exploded sketch of the utility model embodiment's universal joint admission gear.
Fig. 3 is the sectional view of the utility model embodiment's universal joint admission gear.
Embodiment
Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.
Universal joint of the present utility model, as Figure 1-3, comprise front connector 1, back joint 2, soft cover 3, the front end 11 of wherein said front connector 1 has screw thread, the rear portion is a sleeve 12, all has gas-entered passageway in front end 11 and the sleeve 12, after putting o type circle 5 on the front end 11 of front connector 1, by being threaded onto the intake interface 41 on the air tool handle body 4 and interfixing, the front portion of back joint 2 is middle spheroid 21 with gas-entered passageway, described spheroid 21 is inserted on the rear portion sleeve 12 of front connector 11 and can rotates freely all angles in front connector 11, and the rear portion sleeve 12 of this spheroid 21 and front connector is connected and sealed, and the posterior medial of back joint 2 has the gas inlet rubber tube of the outside that is threaded.Therefore, back joint 2 can rotate freely arbitrarily angled in front connector 1, and back joint 2 also can swing in plane shown in Figure 3 with respect to front connector 1, obstructed for the air-flow that prevents from swing process, to cause, can be designed to the gas-entered passageway of the gas-entered passageway slightly larger in diameter in the front connector 1 in back joint spheroid 21, like this, even when spheroid 21 swings, also can not influence the size variation of air-flow.
And junction point at front connector 1 and back joint 2, the outside of the spheroid 21 of the rear portion sleeve 12 of front connector just 1 and joint front portion, back, be with soft cover 3, because have the motion space between the rear portion sleeve 12 of spheroid 21 and front connector 1, this soft cover 3 can prevent that dust from entering this space, and then prevents that dust from stopping up this standoff effects to the freedom of movement between the joint.And this soft cover 3 is a soft material, and soft material can not influence back joint 2 swinging with respect to front connector 1.
More preferably, as shown in Figure 3, the anterior spheroid 21 of back joint 2 inserts in the sleeve 12, be plugged with V-shaped seal ring 6 between these spheroid 21 front ends and the sleeve 12, this V-shaped seal ring 6 just in time fills up the space between sleeve 12 and the spheroid 21, the gas-entered passageway of the gas-entered passageway of sleeve 12 and spheroid 21 is connected, and the sealing that V-shaped seal ring 6 is used to carry out air flue prevents gas leakage.One end of the broad with bifurcated of V-shaped seal ring 6 is positioned at the front side of spheroid 21, thin end is positioned at rear side, just in time the fit curve of spheroid 21, because this V-shaped seal ring 6 can have certain elasticity, therefore in the rotation of spheroid 21 or the process that deflects, can prevent that the pressurized gas in the gas-entered passageway from leaking to carrying out good sealing between spheroid 21 and the sleeve 21.And be filled with steel ball 7 between the rear side of described spheroid 21 and the sleeve 12, this steel ball 7 is used to increase the flexibility ratio that spheroid 21 rotates and prevents that spheroid 21 from deviating from sleeve 12.And sleeve 12 outsides have hole 121, and pack into from this hole 121 sleeve 12 of steel ball 7 is inner and clog this hole 121 by screw 8 and seal.
And, those skilled in the art also can understand, the position of this sleeve 12 and spheroid 21 also can exchange, can spheroid be set at the rear portion of front connector 1, be inserted in the anterior sleeve of back joint 2, as long as can keep to rotate freely, and can there be teeter to a certain degree to get final product between the two.
Universal joint by such setting, not only can keep the unimpeded of the interior gas-entered passageway of joint, and this joint can also and deflect with respect to the main body rotation, even therefore the adjustment in some actions can in use be arranged can not stop up and the bending admission line yet, keep the unobstructed, easy to use of air inlet.
In addition to the implementation, the utility model also includes other mode of executions, and the technological scheme that all employing equivalents or equivalent substitute mode form all should fall within the protection domain of the utility model claim.
Claims (4)
1. pneumatic tool universal joint admission gear, comprise front connector (1) and back joint (2), it is characterized in that: the front portion (11) of described front connector (1) has screw thread and is fixedly attached to intake interface (41) on the handle body (4) of pneumatic tool body, the rear portion of described front connector (1) is sleeve (12), the front portion of described back joint (2) is a spheroid (21), the rear portion is connected to outside gas inlet rubber tube, described spheroid (21) is inserted in the described sleeve (12) and with described sleeve (12) and is tightly connected, and described spheroid (21) can rotate freely and teeter in described sleeve (12), and a soft cover (3) is socketed in the outside of sleeve (12) and spheroid (21).
2. pneumatic tool universal joint as claimed in claim 1 admission gear is characterized in that: be plugged with V-shaped seal ring (6) between described spheroid (21) front end and the sleeve (12), be plugged with steel ball (7) between described spheroid (21) rear end and the sleeve (12).
3. pneumatic tool universal joint as claimed in claim 2 admission gear is characterized in that: described sleeve (12) outside has hole (121), and described steel ball (7) enters in the sleeve (12) and by screw (8) from this hole (121) and seals.
4. as each described pneumatic tool universal joint admission gear of claim 1-3, it is characterized in that: described sleeve (12) and the set position of described spheroid (21) also can exchange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201693921U CN201636467U (en) | 2010-04-22 | 2010-04-22 | Air intake mechanism for universal joint of pneumatic tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201693921U CN201636467U (en) | 2010-04-22 | 2010-04-22 | Air intake mechanism for universal joint of pneumatic tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201636467U true CN201636467U (en) | 2010-11-17 |
Family
ID=43080960
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201693921U Expired - Fee Related CN201636467U (en) | 2010-04-22 | 2010-04-22 | Air intake mechanism for universal joint of pneumatic tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201636467U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023123332A1 (en) * | 2021-12-27 | 2023-07-06 | 台州蔡氏机械有限公司 | Universal pneumatic coupling |
| CN118149192A (en) * | 2024-05-09 | 2024-06-07 | 江苏同方机械制造有限公司 | Multi-angle reversing tubular expansion joint |
-
2010
- 2010-04-22 CN CN2010201693921U patent/CN201636467U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023123332A1 (en) * | 2021-12-27 | 2023-07-06 | 台州蔡氏机械有限公司 | Universal pneumatic coupling |
| CN118149192A (en) * | 2024-05-09 | 2024-06-07 | 江苏同方机械制造有限公司 | Multi-angle reversing tubular expansion joint |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101117 Termination date: 20150422 |
|
| EXPY | Termination of patent right or utility model |