CN210890533U

CN210890533U - Hydraulic quick joint with good sealing effect

Info

Publication number: CN210890533U
Application number: CN201922035129.7U
Authority: CN
Inventors: 洪波; 刘华贵
Original assignee: Jiangxi Aike Industrial Co ltd
Current assignee: Jiangxi Aike Industrial Co ltd
Priority date: 2019-11-22
Filing date: 2019-11-22
Publication date: 2020-06-30
Anticipated expiration: 2029-11-22

Abstract

The utility model discloses a sealed effectual hydraulic pressure quick-operation joint belongs to hydraulic pressure quick-operation joint field, including male joint and female joint, the one end of male joint is fixed with fixed cover, the buffering hole has all been seted up on the both sides outer wall of fixed cover, and the inside of two buffering holes all is equipped with spacing post, and the one end of two spacing posts all extends to the inside of fixed cover, two the outside of spacing post all is fixed with the spring fixture block, and the outside of two spacing posts all overlaps and is equipped with first spring, and first spring is located between the lateral wall of spring fixture block and buffering hole, two the other end of spacing post all extends to the outside of fixed cover, the outside cover of fixed cover is equipped with the sliding sleeve, sliding sleeve and fixed cover sliding connection. The utility model discloses rational in infrastructure, design benefit, easy operation has solved the hydraulic pressure quick-operation joint that prior art neutralizes and has taken place easily not hard up and lead to the problem of liquid leakage, easily uses widely.

Description

Hydraulic quick joint with good sealing effect

Technical Field

The utility model relates to a hydraulic pressure quick-operation joint field especially relates to a sealed effectual hydraulic pressure quick-operation joint.

Background

The hydraulic quick joint is a joint which can realize quick assembly and disassembly of pipelines without using tools and has two structures of two ends opening and closing and two ends opening. The hydraulic quick connector is designed for special heavy load, the lock sleeves of the male connector and the female connector are hardened, the hydraulic quick connector is high in pressure resistance and fatigue resistance, and two-stage sealing is adopted; no leakage and safety self-locking function. But present hydraulic pressure quick-operation joint lacks limit structure, leads to male joint and mesh to connect the back to take place easily not hard up to cause revealing of liquid, for solving foretell problem, this scheme has provided a sealed effectual hydraulic pressure quick-operation joint.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sealed effectual hydraulic pressure quick-operation joint to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a hydraulic quick joint with good sealing effect comprises a male joint and a female joint, wherein one end of the male joint is fixed with a fixed sleeve, the outer walls of the two sides of the fixed sleeve are respectively provided with a buffer hole, the inner parts of the two buffer holes are respectively provided with a limiting post, one end of each limiting post extends to the inner part of the fixed sleeve, the outer parts of the two limiting posts are respectively fixed with a spring clamping block, the outer parts of the two limiting posts are respectively sleeved with a first spring, the first springs are positioned between the spring clamping blocks and one side wall of the buffer holes, the other end of each limiting post extends to the outer part of the fixed sleeve, the outer part of the fixed sleeve is sleeved with a sliding sleeve, the sliding sleeve is in sliding connection with the fixed sleeve, the outer part of the fixed sleeve is fixed with a limiting ring, the outer part of the fixed sleeve is sleeved with a second spring, the second spring is positioned between the sliding sleeve, be fixed with the sealing washer on the inner wall of fixed cover, the one end of female joint is fixed with the intubate, and the one end of intubate runs through fixed cover and the inside that the sealing washer extends to the male joint, and the intubate cooperatees with the sealing washer, spacing hole has all been seted up on the both sides inner wall of intubate, and two spacing posts are located the inside one end of fixed cover inside and extend to the inside in two spacing holes respectively.

Adopt above-mentioned scheme, open the state of two spacing posts of control through the position of sliding sleeve, when connecting male joint and female joint, remove the sliding sleeve, two spacing posts lose under the effect of first spring again after the constraint of sliding sleeve, begin outwards to pop out, then pass fixed cover and the inside that the sealing washer card advances the male joint with the intubate, will remove the cover again and resume the normal position after sealed pad cup joints with fixed, fixed cover can oppress two spacing posts gradually at the in-process that resumes the normal position, thereby press into the inside of sliding sleeve again with two spacing posts, the other end of two spacing posts also is blocked respectively into the inside in two spacing holes, under the effect of first spring, the sliding sleeve can keep original dress, thereby make two spacing posts can block in the inside in two spacing holes, thereby avoid male joint and female joint not hard up.

As a preferred embodiment, two ends of the two limiting columns are both in a right-angled triangle structure, an inner ring at one end of the sliding sleeve, which is far away from the second spring, is in a conical structure, and the sliding sleeve is matched with the limiting columns.

By adopting the scheme, the two ends of the limiting column are of the right-angled triangle structures, the inner ring of the sliding sleeve is of the conical structure, on one hand, the sliding sleeve is convenient for the limiting column to form compression, on the other hand, the limiting column is also convenient to clamp into the limiting hole, and the quick connection of the male connector and the female connector is facilitated.

As a preferred embodiment, two ends of the second spring are fixedly connected with one side of the sliding sleeve and one side of the limiting ring respectively.

By adopting the scheme, the sliding distance of the sliding sleeve can be limited.

As a preferable embodiment, an installation groove is formed on the inner wall of the fixed sleeve, a ball is connected inside the installation groove in a rolling manner, and the ball is connected with the insertion tube in a rolling manner.

Adopt above-mentioned scheme, the setting up of ball makes the friction between intubate and the fixed cover become rolling friction by sliding friction, has reduced the frictional force between intubate and the fixed cover.

In a preferred embodiment, a sealing gasket is fixed on one side of the female joint close to the fixing sleeve, and one side of the sealing gasket is attached to the fixing sleeve.

By adopting the scheme, the sealing performance between the male joint and the female joint is further enhanced by the arrangement of the sealing gasket.

In a preferred embodiment, the end of the cannula inside the male connector is of a tapered configuration.

By adopting the scheme, one end of the insertion pipe is of a conical structure, so that the insertion pipe is convenient to connect with the sealing ring.

Compared with the prior art, the beneficial effects of the utility model are that:

1. through the matching among the limiting column, the limiting hole, the insertion tube, the buffer hole, the first spring, the spring clamping block, the second spring and the sliding sleeve, the limiting column can be clamped inside the limiting hole, so that the insertion tube is fixed inside the male connector, the male connector and the female connector are prevented from loosening, and the sealing performance is enhanced;

2. the two ends of the limiting column are both in a right-angled triangle structure, and the inner ring of the sliding sleeve is in a conical structure, so that the sliding sleeve is convenient to compress the limiting column on one hand, the limiting column is convenient to clamp into the limiting hole on the other hand, and the male connector and the female connector are convenient to be quickly connected;

3. the friction between the insertion tube and the fixed sleeve is changed into rolling friction by sliding friction due to the arrangement of the balls, the friction force between the insertion tube and the fixed sleeve is reduced, and the insertion tube is of a conical structure at one end and is convenient to connect with the sealing ring.

The utility model discloses rational in infrastructure, design benefit, easy operation has solved the hydraulic pressure quick-operation joint that prior art neutralizes and has taken place easily not hard up and lead to the problem of liquid leakage, easily uses widely.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an enlarged view of a point a of the present invention.

Fig. 3 is a front view of the present invention.

Reference numbers in the figures: 1. a male connector; 2. a female joint; 3. inserting a tube; 4. a limiting ring; 5. a first spring; 6. a sliding sleeve; 7. a limiting column; 8. a ball bearing; 9. a gasket; 10. fixing a sleeve; 11. a seal ring; 12. a buffer hole; 13. a second spring; 14. a limiting hole; 15. and a spring clamping block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a hydraulic quick coupling with good sealing effect comprises a male coupling 1 and a female coupling 2, wherein a fixed sleeve 10 is fixed at one end of the male coupling 1, buffer holes 12 are respectively formed on the outer walls of both sides of the fixed sleeve 10, limiting posts 7 are respectively arranged inside the two buffer holes 12, one ends of the two limiting posts 7 extend into the fixed sleeve 10, spring blocks 15 are respectively fixed outside the two limiting posts 7, first springs 5 are respectively sleeved outside the two limiting posts 7, the first springs 5 are positioned between the spring blocks 15 and one side wall of the buffer holes 12, the other ends of the two limiting posts 7 extend out of the fixed sleeve 10, a sliding sleeve 6 is sleeved outside the fixed sleeve 10, the sliding sleeve 6 is slidably connected with the fixed sleeve 10, a limiting ring 4 is fixed outside the fixed sleeve 10, a second spring 13 is sleeved outside the fixed sleeve 10, and the second spring 13 is positioned between the sliding sleeve 6 and one side wall of the limiting ring 4, 6 covers of sliding sleeve establish in the outside of two spacing posts 7, is fixed with sealing washer 11 on the inner wall of fixed cover 10, and the one end of female joint 2 is fixed with intubate 3, and the one end of intubate 3 runs through fixed cover 10 and the inside that sealing washer 11 extended to male joint 1, and intubate 3 cooperatees with sealing washer 11, has all seted up spacing hole 14 on the both sides inner wall of intubate 3, and two spacing posts 7 are located the inside one end of fixed cover 10 and extend to the inside of two spacing holes 14 respectively.

In this embodiment, the both ends of two spacing posts 7 are the right triangle structure, the inner circle of the one end that the second spring was kept away from to sliding sleeve 6 is the toper structure, and sliding sleeve 6 cooperatees with spacing post 7, the both ends of second spring respectively with one side of sliding sleeve 6 and one side fixed connection of spacing ring 4, the inner circle that the both ends of spacing post were right triangle structure and sliding sleeve is the toper structure, on the one hand, the sliding sleeve has made things convenient for the spacing post to form the oppression, on the other hand also makes things convenient for the inside that spacing post blocked into spacing hole, the high-speed joint of male joint and female joint has been made things convenient for, and the sliding distance of sliding sleeve 6 can be restricted to the one end fixed connection of second spring.

In this embodiment, the mounting groove has been seted up on the inner wall of fixed cover 10, the inside roll connection of mounting groove has ball 8, ball 8 and 3 roll connection of intubate, the setting up of ball makes the friction between intubate and the fixed cover become rolling friction by sliding friction, the frictional force between intubate and the fixed cover has been reduced, female joint 2 is fixed with sealed pad 9 near one side of fixed cover 10, the one side of sealed pad 9 is laminated with fixed cover 10 mutually, 3 one ends that lie in 1 inside of male joint of intubate are the toper structure, the leakproofness between 1 of male joint and the female joint 2 has further been strengthened in the setting up of sealed pad 9, and the one end of intubate 3 is the toper structure, the connection between 3 and the sealing washer 11 of intubate has been made things.

The utility model discloses a theory of operation and use flow: when the sliding sleeve 6 is covered outside the two limiting columns 7, the two first springs 5 are in a compressed state, and when the male joint 1 and the female joint 2 are connected, the sliding sleeve 6 moves towards the direction close to the limiting ring 4, the second spring 13 is compressed, the two limiting columns 7 begin to pop out under the action of the first spring 5 after losing the constraint of the sliding sleeve 6, then the insertion tube 3 passes through the fixed sleeve 10 and the sealing ring 11 and is clamped into the male joint 1 until the sealing gasket 9 is contacted with the fixed sleeve 10, then the movable sleeve 6 is restored to the original position, the fixed sleeve 6 can gradually press the two limiting columns 7 in the process of restoring to the original position, so that the two limiting columns 7 are pressed into the sliding sleeve 6 again, the other ends of the two limiting columns 7 are respectively clamped into the two limiting holes 14, the sliding sleeve 6 can keep original installation under the action of the first spring 13, and the two limiting columns 7 can be clamped into the two limiting holes 14, thereby preventing the male connector 1 from being loosened from the female connector 2.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A hydraulic quick joint with good sealing effect comprises a male joint (1) and a female joint (2) and is characterized in that one end of the male joint (1) is fixed with a fixing sleeve (10), buffer holes (12) are formed in the outer walls of the two sides of the fixing sleeve (10), limiting columns (7) are arranged in the two buffer holes (12), one ends of the two limiting columns (7) extend into the fixing sleeve (10), spring clamping blocks (15) are fixed on the outer portions of the two limiting columns (7), first springs (5) are sleeved on the outer portions of the two limiting columns (7), the first springs (5) are located between the spring clamping blocks (15) and one side wall of the buffer holes (12), the other ends of the two limiting columns (7) extend to the outer portion of the fixing sleeve (10), and an outer sliding sleeve (6) of the fixing sleeve (10), the sliding sleeve (6) is connected with the fixed sleeve (10) in a sliding way, a limiting ring (4) is fixed outside the fixed sleeve (10), a second spring (13) is sleeved outside the fixed sleeve (10), and the second spring (13) is positioned between the sliding sleeve (6) and one side wall of the limit ring (4), the sliding sleeve (6) is covered outside the two limiting columns (7), a sealing ring (11) is fixed on the inner wall of the fixed sleeve (10), an inserting pipe (3) is fixed at one end of the female joint (2), one end of the inserting pipe (3) penetrates through the fixing sleeve (10) and the sealing ring (11) and extends into the male joint (1), the inserting pipe (3) is matched with the sealing ring (11), spacing holes (14) are formed in the inner walls of the two sides of the insertion tube (3), and one ends, located inside the fixing sleeve (10), of the two spacing columns (7) extend into the two spacing holes (14) respectively.

2. The hydraulic quick joint with good sealing effect as claimed in claim 1, wherein both ends of the two limiting columns (7) are of right-angled triangle structures, the inner ring of one end of the sliding sleeve (6) far away from the second spring is of a conical structure, and the sliding sleeve (6) is matched with the limiting columns (7).

3. The hydraulic quick joint with good sealing effect as claimed in claim 1, wherein two ends of the second spring are fixedly connected with one side of the sliding sleeve (6) and one side of the limiting ring (4) respectively.

4. The hydraulic quick coupling with good sealing effect as claimed in claim 1, wherein the inner wall of the fixing sleeve (10) is provided with a mounting groove, the inside of the mounting groove is connected with the ball (8) in a rolling manner, and the ball (8) is connected with the insertion pipe (3) in a rolling manner.

5. The hydraulic quick joint with good sealing effect as claimed in claim 1, wherein a sealing gasket (9) is fixed on one side of the female joint (2) close to the fixing sleeve (10), and one side of the sealing gasket (9) is attached to the fixing sleeve (10).

6. The hydraulic quick connector with good sealing effect according to claim 1, wherein the end of the insertion pipe (3) positioned inside the male connector (1) is of a conical structure.