阅读说明：本技术 高密封性汽车油管连接装置 (High-sealing automobile oil pipe connecting device ) 是由 孙业晓 孙学源 刘照彬 马鹏飞 孙洁 韩磊 李圣利 王丹 刘妮 王慧 隋玉婵 于 2021-06-16 设计创作，主要内容包括：本发明的一种高密封性汽车油管连接装置,属于汽车制造技术领域,包括连接件,其由两根连接管组成；两根连接管之间通过密封轴承转动连接；两组油管接头,两个油管接头分别与两根连接管相对应,所述油管接头和与其对应的连接管之间设有密封结构；防滑脱结构；每个所述密封结构均包括密封管以及压迫环,密封管远离连接管的一端设有锁紧结构。本发明通过锁紧结构可使压迫环向连接管的方向移动,来使密封橡胶套发生形变并对密封橡胶套与压迫环之间的间隙进行封堵,来进一步提高密封管的密封性能,避免液体从密封管与连接管之间流出,并且通过防滑脱结构可有效避免两个连接管在汽车的振动下发生脱离而使液体向外侧流出。(The invention discloses a high-sealing automobile oil pipe connecting device, which belongs to the technical field of automobile manufacturing and comprises a connecting piece, a connecting piece and a connecting piece, wherein the connecting piece consists of two connecting pipes; the two connecting pipes are rotatably connected through a sealing bearing; the two oil pipe joints respectively correspond to the two connecting pipes, and a sealing structure is arranged between each oil pipe joint and the corresponding connecting pipe; an anti-slip structure; every seal structure all includes sealed tube and compression ring, and the one end that the connecting pipe was kept away from to the sealed tube is equipped with locking structure. The locking structure can enable the pressing ring to move towards the connecting pipes, so that the sealing rubber sleeve deforms and blocks a gap between the sealing rubber sleeve and the pressing ring, the sealing performance of the sealing pipe is further improved, liquid is prevented from flowing out from the space between the sealing pipe and the connecting pipes, and the anti-slipping structure can effectively prevent the two connecting pipes from being separated from each other under the vibration of an automobile to enable the liquid to flow out towards the outside.)

1. The utility model provides a high leakproofness car oil pipe connecting device which characterized in that includes:

the connecting piece (1) consists of two connecting pipes (11); the axes of the two connecting pipes (11) are vertical, and the two connecting pipes (11) are rotationally connected through a sealing bearing (12);

the two groups of oil pipe joints (2), the two groups of oil pipe joints (2) are respectively connected with the end parts of the two connecting pipes (11); the two oil pipe joints (2) respectively correspond to the two connecting pipes (11), and a sealing structure (3) is arranged between the oil pipe joint (2) and the connecting pipe (11) corresponding to the oil pipe joint;

the anti-slip structure (4) is arranged at the joint of the two connecting pipes (11);

every seal structure (3) all establish sealed tube (31) in connecting pipe (11) outside and set up at inside pressure ring (32) of sealed tube (31) including the cover, pressure ring (32) and the coaxial setting of sealed tube (31), the one end that connecting pipe (11) were kept away from in sealed tube (31) is equipped with locking structure (5), under locking structure (5) drive, makes pressure ring (32) remove to the direction of connecting pipe (11).

2. The high-sealability automotive tubing connector of claim 1, wherein: locking structure (5) are including setting up hexagon nut (51) of keeping away from the one end of connecting pipe (11) in sealed tube (31), the outside that oil pipe connects (2) is equipped with external screw thread (52) with nut screw-thread fit, the one end that connecting pipe (11) are close to oil pipe and connect (2) is equipped with water conservancy diversion piece (53), one side that water conservancy diversion piece (53) are close to compression ring (32) is equipped with sealing rubber sleeve (54), and the tip of compression ring (32) is equipped with buffering cambered surface (55) of contradicting with sealing rubber sleeve (54).

3. The high-sealability automotive tubing connector of claim 2, wherein: every group the outside of oil pipe joint (2) all is equipped with a plurality of linear arrangement's sealing rubber circle (56), the one end that oil pipe joint (2) are close to connecting pipe (11) is equipped with out liquid oblique mouth (57), one side that connecting pipe (11) are close to play liquid oblique mouth (57) is equipped with adverse current direction piece (58), the cross section of adverse current direction piece (58) is the arc structure.

4. The high-sealability automotive tubing connector of claim 1, wherein: anti-slipping structure (4) includes locking ring (41) and solid fixed ring (43), gu fixed ring (43) fixed cover establishes the one end at a connecting pipe (11), the mobilizable cover of locking ring (41) is established on another connecting pipe (11), one side that locking ring (41) is close to solid fixed ring (43) is equipped with seal cover (42), gu be equipped with on fixed ring (43) with seal cover (42) joint complex joint circular slot (44).

5. The high-sealability automotive tubing connector of claim 4, wherein: the outside of solid fixed ring (43) is equipped with a plurality of connecting seats (45) that are the circumference and distribute, all is equipped with rather than articulated joint strip (46) on every connecting seat (45), the outside of locking ring (41) is equipped with a plurality of chucking grooves (47), and a plurality of chucking grooves (47) cooperate with a plurality of joint strip (46) joint one by one.

6. The high-sealability automotive tubing connector of claim 5, wherein: anti-slipping structure (4) still include and tighten ring (48), the top of tightening ring (48) is equipped with a plurality of connecting rods (481) that are the circumference and distribute, and the tip of every connecting rod (481) all is equipped with arc inserted bar (482), the bottom of solid fixed ring (43) is equipped with arc spout (483) that supplies arc inserted bar (482) sliding fit, and every arc inserted bar (482) all corresponds a joint strip (46), be equipped with on joint strip (46) a plurality of and rather than arc inserted bar (482) grafting complex spacing hole (484) that correspond.

7. The high-sealability automotive tubing connector of claim 6, wherein: every all be equipped with on the lateral wall of arc inserted bar (482) and lead draw runner (49), lead draw runner (49) and be the arc structure, lead the cell wall sliding fit of draw runner (49) and arc spout (483).

Technical Field

The invention relates to the technical field of automobile manufacturing, in particular to a high-sealing automobile oil pipe connecting device.

Background

In the existing life, the oil pipe is a metal pipe body used for transporting fuel oil, is an important connecting pipe for providing energy for automobiles, is widely used in more fields such as automobiles, and has great influence on the running of the automobiles if the oil pipe has problems.

Quote utility model discloses a quick connecting device of oil pipe that application number is CN201921531520.X, it includes: the joint comprises a joint body, a first connecting part and a second connecting part, wherein a through hole is formed in the joint body, and the two ends of the joint body are provided with the first connecting part and the second connecting part which are used for connecting two oil pipes respectively; the thrust piece is arranged on the joint body and is respectively adjacent to the first connecting part and the second connecting part; the pressing piece is arranged on the first connecting portion and the second connecting portion respectively to press the first connecting portion and the second connecting portion to be connected with the oil pipe respectively, and the pressing piece stops abutting against the thrust piece when the first connecting portion and the second connecting portion are pressed to be connected with the oil pipe. The utility model discloses an oil pipe connects for connect two oil pipes, the pipeline of being convenient for is fixed, avoids the pipeline overlength and produces the interference or occupy too much space with spare part on every side, and this oil pipe connects the resistance that can effectively reduce to produce because of the pipeline overlength simultaneously, improves the cooling effect.

In the process of implementing the present embodiment, the inventors found that at least the following defects exist in the above patent documents:

firstly, when the rotary pressing piece is pressed, the oil pipe rotates along with the rotary pressing piece to generate torque, so that the oil pipe is stressed and deformed, and the joint between the oil pipe and the joint body is easy to leak; secondly, when two oil pipes on the car are connected, because first connecting portion and second connecting portion are more smooth, even compress tightly the back through compressing tightly the piece, the junction of oil pipe and pipeline also is easy because of the vibration takes place among the car driving process, and makes the junction of oil pipe and pipeline not hard up the slippage, is unfavorable for long-term sealed.

Disclosure of Invention

The invention aims to provide a high-sealing automobile oil pipe connecting device to solve the technical problems that in the prior art, leakage is easy to occur at a joint of an oil pipe and a joint body, and vibration is easy to occur at a joint between the oil pipe and a pipeline in the running process of an automobile.

The technical scheme of the invention is as follows: the method comprises the following steps:

the connecting piece consists of two connecting pipes; the axes of the two connecting pipes are vertical, and the two connecting pipes are rotationally connected through a sealing bearing;

the two groups of oil pipe joints are respectively connected with the end parts of the two connecting pipes; the two oil pipe joints respectively correspond to the two connecting pipes, and a sealing structure is arranged between each oil pipe joint and the corresponding connecting pipe;

the anti-slip structure is arranged at the joint of the two connecting pipes;

every seal structure all establishes the sealed tube and the oppression ring of setting in the sealed tube inside in the connecting pipe outside including the cover, the oppression ring sets up with the sealed tube is coaxial, the one end that the connecting pipe was kept away from to the sealed tube is equipped with locking structure, under the locking structure drive, makes the direction removal of oppression ring to the connecting pipe.

As a further optimization of this technical scheme, conflict with the oppression ring in order to realize the sealing rubber cover, make the sealing rubber cover take place to deform and carry out the shutoff to the clearance between sealing rubber cover and the oppression ring, locking structure is including setting up the hexagon nut who keeps away from the one end of connecting pipe at the sealed tube, the outside that oil pipe connects is equipped with the external screw thread with nut screw-thread fit, the one end that the connecting pipe is close to oil pipe joint is equipped with the water conservancy diversion piece, one side that the water conservancy diversion piece is close to the oppression ring is equipped with the sealing rubber cover, and the tip of oppression ring is equipped with the buffering cambered surface of contradicting with the sealing rubber cover.

As a further optimization of the technical scheme, in order to avoid the phenomenon that the sealing rubber rings are damaged due to the fact that liquid impacts gaps between the oil pipe joints and the sealing pipes in the process of reverse flow of the liquid, each group of the sealing rubber rings are arranged on the outer sides of the oil pipe joints in a linear arrangement mode, one end, close to the connecting pipe, of each oil pipe joint is provided with a liquid outlet inclined nozzle, one side, close to the liquid outlet inclined nozzles, of the connecting pipe is provided with a reverse flow guide sheet, and the cross section of each reverse flow guide sheet is of an arc-shaped structure.

As the further optimization of this technical scheme, in order to improve the leakproofness between oil pipe joint and the connecting pipe, the anti-slipping structure includes locking ring and solid fixed ring, the fixed one end at a connecting pipe of fixed ring cover, the mobilizable cover of locking ring is established on another connecting pipe, one side that the locking ring is close to solid fixed ring is equipped with the seal cover, gu be equipped with on the fixed ring with seal cover joint complex joint circular slot.

As the further optimization of this technical scheme, in order to further lock between two connecting pipes, solid fixed ring's the outside is equipped with a plurality of connecting seats that are the circumference and distribute, all is equipped with rather than articulated joint strip on every connecting seat, the outside of solid fixed ring is equipped with a plurality of chucking grooves, and a plurality of chucking grooves cooperate with a plurality of joint strip joint one by one.

As the further optimization of this technical scheme, the anti-slipping structure still includes the tight ring of screwing, the top of tight ring of screwing is equipped with a plurality of connecting rods that are the circumference and distribute, and the tip of every connecting rod all is equipped with the arc inserted bar, solid fixed ring's bottom is equipped with the arc spout that supplies arc inserted bar sliding fit, and every arc inserted bar all corresponds a joint strip, be equipped with on the joint strip a plurality of and rather than the spacing hole of the arc inserted bar grafting complex that corresponds.

As a further optimization of the technical scheme, each side wall of each arc-shaped inserting rod is provided with a guide sliding strip, each guide sliding strip is of an arc-shaped structure, and the guide sliding strips are in sliding fit with the groove walls of the arc-shaped sliding grooves.

The invention provides a high-tightness automobile oil pipe connecting device through improvement, and compared with the prior art, the high-tightness automobile oil pipe connecting device has the following improvements and advantages:

firstly, the worker inserts the two oil pipe joints into the end parts of the two connecting pipes respectively by hand, the locking structure can enable the compression ring to move towards the connecting pipes, so that the compression ring moves towards the sealing rubber sleeve, the sealing rubber sleeve is enabled to be abutted against the buffering arc surface of the compression ring, the sealing rubber sleeve is enabled to deform and a gap between the sealing rubber sleeve and the compression ring is plugged, the sealing performance of the sealing pipe is further improved, liquid is prevented from flowing out from the sealing pipe and the connecting pipes, the sealing pipe positioned outside the oil pipe joints can play a role of secondary sealing, and the sealing rubber sleeve deforms, so that leakage between the oil pipe joints and the connecting pipes cannot occur even if an automobile vibrates, and the technical problem that the oil pipe joints in the prior art are easy to leak at the abutted seams of the connecting pipes due to torque generated by rotation of the oil pipe joints is solved.

Secondly, the anti-slip structure can effectively prevent the two connecting pipes from being separated under the vibration of an automobile to enable liquid to flow out to the outside, an operator can manually move the locking ring to enable the sealing sleeve to move, when the locking ring is separated from the fixed sleeve, the end parts of the two connecting pipes are connected through the sealing bearing, the operator only needs to manually rotate one of the connecting pipes to change the angle between the two connecting pipes, the adjustability of the device is improved, and the device is convenient for the operator to install.

After the position of the two connecting pipes is adjusted, an operator manually enables the sealing sleeve to be in clamping fit with the clamping circular groove so that the sealing sleeve can effectively seal the joint between the two connecting pipes, and the two connecting pipes are prevented from being separated under the vibration of an automobile and liquid flows outwards; the technical problem that in the prior art, two connecting pipes are separated under the vibration of an automobile so that liquid flows outwards is solved.

Thirdly, in order to further lock the fixing ring and the locking ring, an operator can manually rotate the clamping strip to enable the clamping strip to be matched with the clamping groove in a clamping mode, so that the clamping strip fixes the position of the locking ring, and the phenomenon that the normal circulation of a pipeline is influenced due to the fact that a connecting pipe connected with the locking ring rotates in the automobile vibration process is avoided.

Fourth, the worker can make a plurality of connecting rods rotate simultaneously by manually rotating the screwing ring, and then make the connecting rod drive the arc inserted bar and rotate, make the arc inserted bar and the cooperation of pegging graft rather than the spacing hole that corresponds, further carry on spacingly to the locking ring position, further improve the stability that oil pipe joint and connecting pipe are connected.

Drawings

The invention is further explained below with reference to the figures and examples:

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic cross-sectional view of the present invention;

FIG. 3 is a partial cross-sectional view of the present invention;

FIG. 4 is an enlarged view taken at A in FIG. 3;

FIG. 5 is a partial perspective view of the present invention;

FIG. 6 is an exploded view of the present invention;

FIG. 7 is an enlarged view of FIG. 6 at B;

description of reference numerals:

1. a connecting member; 11. a connecting pipe; 12. sealing the bearing; 2. an oil pipe joint; 3. a sealing structure; 31. a sealing tube; 32. pressing the ring; 4. an anti-slip structure; 41. locking a ring; 42. sealing sleeves; 43. a fixing ring; 44. Clamping the circular groove; 45. a connecting seat; 46. a clamping strip; 47. a clamping groove; 48. screwing the ring; 481. a connecting rod; 482. an arc-shaped inserted link; 483. an arc-shaped chute; 484. a limiting hole; 49. a slide guiding strip; 5. a locking structure; 51. a hexagonal nut; 52. an external thread; 53. a flow deflector; 54. sealing the rubber sleeve; 55. buffering the arc surface; 56. sealing the rubber ring; 57. an inclined liquid outlet nozzle; 58. and a counterflow guide vane.

Detailed Description

The present invention will be described in detail with reference to fig. 1 to 7, and the technical solutions in the embodiments of the present invention will be clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The invention provides a high-tightness automobile oil pipe connecting device through improvement, which is shown in figures 1-7 and comprises:

a connecting piece 1 consisting of two connecting pipes 11; the axes of the two connecting pipes 11 are vertical, and the two connecting pipes 11 are rotatably connected through a sealing bearing 12;

the two groups of oil pipe joints 2 are respectively connected with the end parts of the two connecting pipes 11; the two oil pipe joints 2 correspond to the two connecting pipes 11 respectively, and a sealing structure 3 is arranged between each oil pipe joint 2 and the corresponding connecting pipe 11;

the anti-slip structure 4 is arranged at the joint of the two connecting pipes 11;

every seal structure 3 all establishes the sealed tube 31 in the connecting pipe 11 outside and sets up the oppression ring 32 in sealed tube 31 inside including the cover, oppression ring 32 and the coaxial setting of sealed tube 31, the one end that connecting pipe 11 was kept away from to sealed tube 31 is equipped with locking structure 5, under the drive of locking structure 5, makes the direction removal of oppression ring 32 to connecting pipe 11.

The worker inserts two oil pipe joints 2 to the tip of two connecting pipes 11 respectively through manual, locking structure 5 can make oppression ring 32 remove to the direction of connecting pipe 11, make oppression ring 32 remove to the direction of sealing rubber cover 54, make sealing rubber cover 54 contradict with the buffering cambered surface 55 of oppression ring 32, make sealing rubber cover 54 take place to deform and shutoff the clearance between sealing rubber cover 54 and the oppression ring 32, further improve the sealing performance of sealed tube 31, avoid liquid to flow out from between sealed tube 31 and the connecting pipe 11, the sealed tube 31 that is located the oil pipe joint 2 outside can play secondary seal's effect, with the rotatory moment of torsion that produces of solution oil pipe joint 2 in the prior art and the easy technical problem who takes place the leakage with the piece seam department of connecting pipe 11.

As shown in fig. 2 and 4, in order to realize that the sealing rubber sleeve 54 collides with the compression ring 32, so that the sealing rubber sleeve 54 deforms to block a gap between the sealing rubber sleeve 54 and the compression ring 32, the locking structure 5 includes a hexagon nut 51 disposed at one end of the sealing pipe 31 far away from the connecting pipe 11, an external thread 52 in threaded fit with the nut is disposed at the outer side of the oil pipe joint 2, a flow deflector 53 is disposed at one end of the connecting pipe 11 close to the oil pipe joint 2, the sealing rubber sleeve 54 is disposed at one side of the flow deflector 53 close to the compression ring 32, and a buffer arc surface 55 abutting against the sealing rubber sleeve 54 is disposed at the end of the compression ring 32. Because the hexagonal nut 51 is in threaded fit with the external thread 52, an operator can manually rotate the sealing tube 31 to rotate the hexagonal nut 51, and further adjust the transverse position of the sealing tube 31, so that the sealing tube 31 drives the sealing rubber sleeve 54 to move towards the compression ring 32, and the sealing rubber sleeve 54 is deformed to a certain extent, so that the gap between the sealing rubber sleeve 54 and the compression ring 32 is effectively sealed, and the sealing performance of the sealing device is improved.

As shown in fig. 2 and 4, in order to avoid the phenomenon that the sealing rubber rings 56 are damaged due to the impact of liquid on the gap between the oil pipe joint 2 and the sealing pipe 31 in the process of reverse flow of the liquid, a plurality of linearly arranged sealing rubber rings 56 are arranged on the outer side of each group of oil pipe joints 2, a liquid outlet inclined nozzle 57 is arranged at one end of each oil pipe joint 2 close to the connecting pipe 11, a reverse flow guide sheet 58 is arranged at one side of each connecting pipe 11 close to the liquid outlet inclined nozzle 57, and the cross section of each reverse flow guide sheet 58 is of an arc-shaped structure.

Since the liquid is easy to enter the gap between the oil pipe joint 2 and the sealing pipe 31 in the process of reverse flow, in order to solve the above problems, the reverse flow guide sheet 58 can greatly reduce the flow rate entering the gap between the oil pipe joint 2 and the sealing pipe 31 in the process of reverse flow of the liquid, and the reverse flow guide sheet 58 is of an arc structure to guide the liquid into the liquid outlet inclined nozzle 57.

As shown in fig. 5-7, in order to improve the sealing performance between the oil pipe joint 2 and the connection pipe 11, the anti-slip structure 4 includes a locking ring 41 and a fixing ring 43, the fixing ring 43 is fixedly sleeved on one end of one connection pipe 11, the locking ring 41 is movably sleeved on the other connection pipe 11, a sealing sleeve 42 is disposed on one side of the locking ring 41 close to the fixing ring 43, and a clamping circular groove 44 clamped and matched with the sealing sleeve 42 is disposed on the fixing ring 43. The worker can make seal cover 42 remove by manual removal locking ring 41, when locking ring 41 and fixed cover separation, because the tip of two connecting pipes 11 passes through sealed bearing 12 and connects, the worker only needs one of them connecting pipe 11 of manual rotation, changes the angle between two connecting pipes 11, has improved the adjustability of this device, and the worker of being convenient for installs this device. After the position adjustment of the two connecting pipes 11 is completed, the worker manually enables the sealing sleeve 42 to be in clamping fit with the clamping circular groove 44, so that the sealing sleeve 42 effectively seals the joint between the two connecting pipes 11, and the two connecting pipes 11 are prevented from being separated from each other under the vibration of an automobile and liquid flows out to the outside.

In order to lock between two connecting pipes 11, the outside of fixed ring 43 is equipped with a plurality of connecting seats 45 that are the circumference and distribute, all is equipped with rather than articulated joint strip 46 on every connecting seat 45, the outside of locking ring 41 is equipped with a plurality of chucking grooves 47, and a plurality of chucking grooves 47 cooperate with a plurality of joint strips 46 joint one by one. The worker can make joint strip 46 rotate manually, make joint strip 46 and chucking groove 47 joint cooperation, make joint strip 46 fix the position of locking ring 41, avoid the connecting pipe 11 that is connected with locking ring 41 to take place to rotate at the in-process of automobile vibration and influence the normal circulation of pipeline, and cooperate with a plurality of joint strips 46 joint respectively through a plurality of joint grooves, can improve the locking between oil pipe joint 2 and the connecting pipe 11 fixed, further avoid two connecting pipes 11 to take place to break away from under the vibration of automobile.

In order to further lock between two connecting pipes 11, anti-slipping structure 4 further includes screwing ring 48, screwing ring 48's top is equipped with a plurality of connecting rods 481 that are the circumference and distribute, and the tip of every connecting rod 481 all is equipped with arc inserted bar 482, the bottom of solid fixed ring 43 is equipped with the arc spout 483 that supplies arc inserted bar 482 sliding fit, and every arc inserted bar 482 all corresponds a joint strip 46, be equipped with on the joint strip 46 a plurality ofly and rather than the spacing hole 484 of the cooperation of pegging graft of the arc inserted bar 482 that corresponds. The worker can manually rotate the screwing ring 48 to make a plurality of connecting rods 481 rotate simultaneously, and then make the connecting rods 481 drive the arc-shaped inserted bar 482 to rotate, so that the arc-shaped inserted bar 482 and the limiting holes 484 corresponding to the arc-shaped inserted bar are in inserted connection and matched, the position of the locking ring 41 is further limited, and the stability of the connection of the oil pipe joint 2 and the connecting pipe 11 is further improved.

Each side wall of the arc-shaped inserting rod 482 is provided with a guide sliding strip 49, the guide sliding strip 49 is of an arc-shaped structure, and the guide sliding strip 49 is in sliding fit with the groove wall of the arc-shaped sliding groove 483. The slide guide strip 49 is slidably engaged with the arc chute 483 to support the arc plunger 482, thereby completing the support of the tightening ring 48.

The working principle or the using method of the invention is as follows: the worker inserts the two oil pipe joints 2 into the end parts of the two connecting pipes 11 respectively by hand, the locking structure 5 can enable the compression ring 32 to move towards the connecting pipes 11, so that the compression ring 32 moves towards the sealing rubber sleeve 54, so that the sealing rubber sleeve 54 is abutted against the buffer arc surface 55 of the compression ring 32, so that the sealing rubber sleeve 54 deforms and seals a gap between the sealing rubber sleeve 54 and the compression ring 32, thereby further improving the sealing performance of the sealing pipe 31, preventing liquid from flowing out from the sealing pipe 31 and the connecting pipes 11, and the sealing pipe 31 positioned outside the oil pipe joints 2 can play a role of secondary sealing, so as to solve the technical problem that the oil pipe joints 2 in the prior art rotate to generate torque and the abutted seams of the connecting pipes 11 are easy to leak;

the worker can make seal cover 42 remove by manual removal locking ring 41, when locking ring 41 and fixed cover separation, because the tip of two connecting pipes 11 passes through sealed bearing 12 and connects, the worker only needs one of them connecting pipe 11 of manual rotation, changes the angle between two connecting pipes 11, has improved the adjustability of this device, and the worker of being convenient for installs this device. After the position of the two connecting pipes 11 is adjusted, a worker manually enables the sealing sleeve 42 to be in clamping fit with the clamping circular groove 44, so that the sealing sleeve 42 effectively seals the joint between the two connecting pipes 11, and the two connecting pipes 11 are prevented from being separated under the vibration of an automobile to enable liquid to flow outwards;

an operator can manually rotate the clamping strip 46 to ensure that the clamping strip 46 is in clamping fit with the clamping groove 47, so that the clamping strip 46 fixes the position of the locking ring 41, and the phenomenon that the normal circulation of a pipeline is influenced by the rotation of the connecting pipe 11 connected with the locking ring 41 in the vibration process of an automobile is avoided;

afterwards, the worker can manually rotate the screwing ring 48 to simultaneously rotate the plurality of connecting rods 481, and then the connecting rods 481 drive the arc-shaped inserting rods 482 to rotate, so that the arc-shaped inserting rods 482 and the limiting holes 484 corresponding to the arc-shaped inserting rods are in inserting fit, the position of the locking ring 41 is further limited, and the stability of connection between the oil pipe joint 2 and the connecting pipe 11 is further improved.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.