CN215807035U

CN215807035U - High leakproofness quick plug connects

Info

Publication number: CN215807035U
Application number: CN202121435825.8U
Authority: CN
Inventors: 阚永涛; 宋腾飞; 张良
Original assignee: Zhejiang Chenren Precision Machinery Technology Co ltd
Current assignee: Zhejiang Chenren Precision Machinery Technology Co ltd
Priority date: 2021-06-25
Filing date: 2021-06-25
Publication date: 2022-02-11
Anticipated expiration: 2031-06-25

Abstract

The utility model discloses a high-sealing quick plug-pull joint, which comprises an inner valve joint and an outer valve joint butted with the inner valve joint, a spring valve core is arranged in the inner valve joint, a spring valve plug is arranged in the outer valve joint, the spring valve core and the spring valve plug are mutually pressed and communicated, one end of the outer valve joint is provided with a connecting sleeve, the inner side of the connecting sleeve is provided with two extending grooves, one ends of the two extending grooves close to the outer valve joint are both provided with rotating grooves which are communicated with the extending grooves, and one side of the communicating part of the rotary groove and the extending groove is provided with a locking device, one end of the inner valve joint is provided with an extending sleeve, two clamping blocks are arranged on the outer side of the extending sleeve, the extending sleeve extends into the connecting sleeve, the clamping block penetrates through the extending groove and is positioned in the rotating groove, and the locking device extends into the rotating groove to lock the clamping block in the rotating groove; the high-sealing-performance quick plug-pull connector provided by the utility model can be quickly butted and has high sealing performance.

Description

High leakproofness quick plug connects

Technical Field

The utility model relates to the technical field of connector devices, in particular to a high-sealing-performance quick plugging connector.

Background

In hydraulic or water lines, it is often the case that temporary lines are connected. In the zero-time connection or zero-time disconnection over-center of the pipeline, how to ensure the sealing degree of the pipeline and optimize the connection mode of the connection joint is a technical problem. In the prior art, the temporary joint or the quick-mounting joint cannot give consideration to the effects of instant flow breaking and quick clamping, and the clamping mode is relatively traditional, mostly adopts a threaded connection mode, and cannot realize timely and quick pipeline butt joint in the actual operation process.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a high-sealing quick plug-pull joint which can be quickly butted and has high sealing performance.

In order to achieve the purpose, the utility model provides the following technical scheme:

a high-sealing-performance quick plug-pull joint comprises an inner valve joint and an outer valve joint butted with the inner valve joint, wherein a flow stopping spring valve core is arranged in the inner valve joint, a flow stopping spring valve plug is arranged in the outer valve joint, the spring valve core and the spring valve plug are mutually pressed and communicated, one end of the outer valve joint butted with the inner valve joint is provided with a connecting sleeve, the inner side of the connecting sleeve is provided with two axially and symmetrically distributed stretching grooves, one end of each stretching groove close to the outer valve joint is provided with a circumferentially distributed rotating groove, the rotating grooves are communicated with the stretching grooves, one side of the communicating part of the rotating grooves and the stretching grooves is provided with a locking device, one end of the inner valve joint butted with the outer valve joint is provided with a stretching sleeve, the outer side of the stretching sleeve is provided with two symmetrically distributed clamping blocks, the stretching sleeve stretches into the connecting sleeve, and the clamping blocks penetrate through the stretching grooves and are positioned in the rotating grooves, the locking device can extend into the rotating groove to lock the clamping block in the rotating groove.

Further the outside of connecting sleeve is provided with the display slot, the display slot just faces the swivelling chute to the display slot communicates with the swivelling chute.

Furtherly locking device is the lockplate, one side that the connecting sleeve's the outside and lie in the display screen is provided with the sliding tray, sliding tray and rotatory inslot intercommunication, the lockplate is located the sliding tray, the sliding tray is close to the one end side of display screen and the one end side of keeping away from the display screen all is provided with the arc chucking groove, be provided with the removal hole in the lockplate, remove downthehole locking post with removal hole sliding connection that is provided with, the one end of locking post is the arc form and stretches into in the arc chucking groove, and the other end of locking post is connected with locking spring, locking spring's both ends support the locking post respectively and remove the hole bottom in hole.

Furthermore, the side face, facing the outside, of the locking plate is provided with a corrugated surface.

And further, a sealing ring groove is arranged on the end face, butted with the connecting sleeve, of the extension sleeve, and a sealing ring is arranged in the sealing ring groove.

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

(1) according to the utility model, the flow stopping spring valve core is arranged in the inner valve joint, the flow stopping spring valve plug is arranged in the outer valve joint, and the inner valve joint and the outer valve joint are not communicated and can be blocked; and after the inner valve joint and the outer valve joint are communicated, the spring valve core and the spring valve plug are mutually pressed and communicated.

(2) According to the utility model, the connecting sleeve is arranged at one end of the outer valve joint, the extending groove and the rotating groove which are communicated are arranged at the inner side of the connecting sleeve, the locking device is arranged at one side of the rotating groove, the extending sleeve is arranged at one end of the inner valve joint, the clamping block is arranged at the outer side of the extending sleeve, after the extending sleeve extends into the connecting sleeve, the clamping block can penetrate through the extending groove and is positioned in the rotating groove, and then the locking device can extend into the rotating groove to lock the clamping block in the rotating groove, so that the outer valve joint and the inner valve joint can be quickly connected and are stably connected.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:

FIG. 1 is a schematic structural view of a high-sealing quick connect-disconnect coupling;

FIG. 2 is a schematic structural view of an external valve fitting;

FIG. 3 is a schematic view of the structure of the internal valve fitting;

FIG. 4 is a schematic view of a coupling sleeve;

FIG. 5 is a schematic view of the structure of the extension sleeve;

fig. 6 is a partial enlarged view a in fig. 4.

Labeled as: 1. an outer valve fitting; 2. a spring valve plug; 3. a connecting sleeve; 4. an inner valve fitting; 5. a spring spool; 6. extending into the sleeve; 7. extending into the groove; 8. a display slot; 9. a sliding groove; 10. a locking plate; 11. a rotating tank; 12. a clamping block; 13. an arc-shaped clamping groove; 14. a locking post; 15. a locking spring; 16. moving the hole; 17. a corrugated surface; 18. and (5) sealing rings.

Detailed Description

In the description of the present invention, it should be noted that, for the terms of orientation, such as "central", "lateral (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicate that the orientation and positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the specific scope of the present invention.

Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, a definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the features, and in the description of the utility model, "a number" or "a number" means two or more unless explicitly specified otherwise.

A high-sealing-performance quick plug-pull joint is shown in figures 1-3 and comprises an inner valve joint 4 and an outer valve joint 1 butted with the inner valve joint 4, wherein a flow stopping spring valve core 5 is arranged in the inner valve joint 4, a flow stopping spring valve plug 2 is arranged in the outer valve joint 1, the spring valve core 5 and the spring valve plug 2 are mutually pressed and communicated, a connecting sleeve 3 is arranged at one end, butted with the inner valve joint 4, of the outer valve joint 1, two axially and symmetrically distributed extending grooves 7 are arranged on the inner side of the connecting sleeve 3, rotating grooves 11 are circumferentially arranged at one ends, close to the outer valve joint 1, of the two extending grooves 7, the rotating grooves 11 are communicated with the extending grooves 7, a locking device is arranged at one side, communicated with the extending grooves 7, of the rotating grooves 11, an extending sleeve 6 is arranged at one end, butted with the outer valve joint 1, of the inner valve joint 4 and the outer valve joint 1, two symmetrically distributed clamping blocks 12 are arranged at the outer side of the extending sleeve 6, the extension sleeve 6 extends into the connecting sleeve 3, the fixture block 12 penetrates through the extension groove 7 and is located in the rotating groove 11, and the locking device can extend into the rotating groove 11 to lock the fixture block 12 in the rotating groove 11.

As shown in fig. 2, when the outer valve joint 1 is not connected to the inner valve joint 4, the spring valve plug 2 in the outer valve joint 1 is acted by elasticity to make the spring valve plug 2 block the outer valve flow passage in the outer valve joint 1, thereby making the outer valve joint 1 block;

as shown in fig. 3, when the inner valve joint 4 is not connected to the outer valve joint 1, the spring valve core 5 in the inner valve joint 4 is acted by elasticity to make the spring valve core 5 block the inner valve flow passage in the inner valve joint 4, thereby blocking the inner valve joint 4;

when the outer valve joint 1 is connected with the inner valve joint 4, firstly, the extension sleeve 6 extends into the connecting sleeve 3, the fixture block 12 extends into the rotary groove 11 through the extension groove 7, then the extension sleeve 6 is rotated, the fixture block 12 is positioned at one end, far away from the extension groove 7, of the rotary groove 11, then, the locking device is used, the locking device extends into the rotary groove 11 to block the joint of the rotary groove 11 and the extension groove 7, the fixture block 12 is locked in the rotary groove 11 and cannot move any more, and at the moment, the outer valve joint 1 and the inner valve joint 4 are connected with each other; when the outer valve joint 1 and the inner valve joint 4 are separated, the locking device is extended out of the rotary groove 11, the joint of the rotary groove 11 and the joint of the extending groove 7 is opened, then the sleeve 6 is extended in a rotating mode, the clamping block 12 is moved to the rotary groove 11 and the joint of the extending groove 7, then the extending sleeve 6 and the connecting sleeve 3 are axially separated, the clamping block 12 is extended out of the extending groove 7, and the separation of the outer valve joint 1 and the inner valve joint 4 is completed.

In the present embodiment, as shown in fig. 2 and 4, the outside of the connecting sleeve 3 is provided with a display groove 8, the display groove 8 faces the rotating groove 11, and the display groove 8 is communicated with the rotating groove 11; through the arrangement of the display groove 8, after the fixture block 12 extends into the rotating groove 11, the position of the fixture block 12 in the rotating groove 11 can be clearly seen, so that the situation that when the locking device is operated to lock and unlock the fixture block 12 is conveniently judged.

In this embodiment, as shown in fig. 2 and 4, the locking device is a locking plate 10, a sliding groove 9 is disposed on one side of the display groove 8 and outside the connecting sleeve 3, the sliding groove 9 is communicated with the rotating groove 11, the locking plate 10 is disposed in the sliding groove 9, both a side surface of one end of the sliding groove 9 close to the display groove 8 and a side surface of one end of the sliding groove 9 far away from the display groove 8 are provided with arc-shaped clamping grooves 13, a moving hole 16 is disposed in the locking plate 10, a locking column 14 slidably connected with the moving hole 16 is disposed in the moving hole 16, one end of the locking column 14 is arc-shaped and extends into the arc-shaped clamping grooves 13, the other end of the locking column 14 is connected with a locking spring 15, and both ends of the locking spring 15 respectively abut against hole bottoms of the locking column 14 and the moving hole 16;

when the clamping block 12 is locked, the locking plate 10 is pushed, the locking plate 10 extends into the rotary groove 11 to block the rotary groove 11, the clamping block 12 is clamped in the rotary groove 11, and when the locking plate 10 completely extends into the rotary groove 11 to block the clamping block 12, the locking column 14 on the locking plate 10 extends into the arc-shaped clamping groove 13 close to one side of the rotary plate, so that the locking plate 10 cannot move easily, and the clamping block 12 is locked and cannot move; when the locking plate 10 needs to be moved again, the locking plate 10 is pushed with force, so that the locking column 14 slides from the arc-shaped clamping groove 13 along the arc-shaped clamping groove 13 and counteracts the elastic force.

In the present embodiment, as shown in fig. 4, the side of the locking plate 10 facing the outside is provided with a corrugated surface 17; by providing the corrugated surface 17, the user can slide the locking plate 10 through the corrugated surface 17, and the friction force of the side surface of the locking plate 10 facing the outside is increased.

In this embodiment, as shown in fig. 3, preferably, a sealing ring groove is formed in the end surface of the extension sleeve 6, which is in butt joint with the connection sleeve 3, and a sealing ring 18 is disposed in the sealing ring groove, so that after the extension sleeve 6 is in butt joint with the connection sleeve 3, the sealing ring 18 can abut against the end surface of the outer valve joint 1, and the sealing performance is ensured.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the utility model may occur to those skilled in the art without departing from the principle of the utility model, and are considered to be within the scope of the utility model.

Claims

1. The utility model provides a quick plug of high leakproofness connects, includes interior valve joint and rather than the outer valve joint of butt joint, be provided with the spring case that ends the flow in the interior valve joint, set up the spring valve plug that ends the flow in the outer valve joint, the mutual roof pressure of spring case and spring valve plug is link up its characterized in that: the one end that outer valve joint and interior valve joint butt joint is provided with connecting sleeve, and the connecting sleeve inboard is provided with two and arranges and the stretching into groove of symmetric distribution along the axial, and two stretch into the groove and all be provided with the swivelling chute that circumference was arranged near the one end that outer valve joint connects, the swivelling chute with stretch into the groove intercommunication to the swivelling chute is provided with locking device with one side of stretching into groove intercommunication department, the one end that interior valve joint and outer valve joint butt joint are provided with and stretch into the sleeve, it is provided with the fixture block of two symmetric distributions to stretch into telescopic outside, it stretches into in the connecting sleeve to stretch into the sleeve, the fixture block passes and stretches into the groove and is located the swivelling chute, locking device can stretch into the swivelling chute and lock the fixture block in the swivelling chute.

2. The high-tightness quick plug connector according to claim 1, characterized in that: the outer side of the connecting sleeve is provided with a display groove, the display groove is opposite to the rotating groove, and the display groove is communicated with the rotating groove.

3. The high-tightness quick plug connector according to claim 2, characterized in that: the locking device is a locking plate, one side that the outside of adapter sleeve is located the display screen is provided with the sliding tray, sliding tray and rotatory inslot intercommunication, the locking plate is located the sliding tray, the sliding tray is close to the one end side of display screen and all is provided with arc chucking groove with the one end side of keeping away from the display screen, be provided with the removal hole in the locking plate, remove downthehole be provided with remove hole sliding connection's locking post, the one end of locking post is the arc form and stretches into in the arc chucking groove, the other end of locking post is connected with locking spring, locking spring's both ends support the hole bottom in locking post and removal hole respectively.

4. The high-tightness quick plug connector according to claim 3, wherein: the side face, facing the outside, of the locking plate is provided with a corrugated surface.

5. The high-tightness quick plug connector according to claim 4, wherein: the end face of the extension sleeve, which is in butt joint with the connecting sleeve, is provided with a sealing ring groove, and a sealing ring is arranged in the sealing ring groove.