CN214579575U

CN214579575U - Push type quick unlocking joint

Info

Publication number: CN214579575U
Application number: CN202120505180.4U
Authority: CN
Inventors: 仲浩洁; 李正桃; 王春峰
Original assignee: Changzhou Tongmin Machinery Technology Co ltd
Current assignee: Changzhou Tongmin Machinery Technology Co ltd
Priority date: 2021-03-09
Filing date: 2021-03-09
Publication date: 2021-11-02
Anticipated expiration: 2031-03-09

Abstract

The utility model belongs to the technical field of the coupling, concretely relates to push type quick unblock connects, which comprises a socket, a plug, the valve body, the socket front end is equipped with the push button locking structure of locking plug, the axle center department of valve body is equipped with the valve opening, the inside case that is equipped with the activity of valve opening front side, the inside case casing that is equipped with of socket, the rear end of case casing extends to inside the valve opening front side, the axle center department of case casing is equipped with the core hole, terminal surface axle center department is equipped with the sealing that extends to in the core hole before the case, first seal groove has been seted up to sealing department, be equipped with first sealing washer in the first seal groove, it still is equipped with in case rear side department and makes the case keep contacting with case casing in order to keep sealed case spring in the valve opening, connect and disconnection convenient and fast, moreover, compact structure, and reliable sealing performance.

Description

Push type quick unlocking joint

Technical Field

The utility model belongs to the technical field of the coupling, concretely relates to push type quick release connector.

Background

The existing push-button type quick coupling is mainly used for quick connection and automatic opening and closing of pipelines and is suitable for connection of samples under the conditions of gas, liquid and other operation conditions and requirements. And a standard interface is adopted, so that the operation is simple and the disassembly and assembly are rapid. The device has the advantages of good performance, safety, reliability and wide application range. And the volume is small and flexible, and the sealing performance is good. However, the operation of the existing quick coupling is inconvenient, the coupling needs to be assembled and disassembled by using tools, the assembly and disassembly operation is complex, and the using effect and the pipeline connection efficiency of the quick coupling are affected, so that the quick coupling with a simple structure and convenient use is urgently needed to be applied.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that to above-mentioned defect, provide a push type quick release connector, connect and break off convenient and fast, and compact structure, sealing performance is reliable.

The utility model provides a technical scheme that its technical problem adopted as follows:

a press type quick unlocking connector comprises a socket, a plug detachably connected with the front end of the socket, and a valve body detachably connected with the rear end of the socket, wherein the front end of the socket is provided with a press button type locking structure for locking the plug, the front end of the valve body is in threaded connection with the rear end of the socket, a valve hole is arranged at the axis of the valve body, a movable valve core is arranged inside the front side of the valve hole, a valve core shell is arranged inside the socket, the rear end of the valve core shell extends into the front side of the valve hole, a core hole is arranged at the axis of the valve core shell, a sealing part extending into the core hole is arranged at the axis of the front end surface of the valve core, a first sealing groove is arranged at the sealing part, a first sealing ring is arranged in the first sealing groove, a valve core spring for keeping the valve core and the valve core shell in contact is arranged at the rear side of the valve core, the front end of the valve body extends to the front side of the first sealing ring, and the front end of the valve body and the outer circumferential surface of the valve core shell limit the axial position of the valve core shell, the socket is internally provided with a separation blade at the front side of the valve core shell, the front end of the valve core shell is abutted against the rear end of the separation blade, the rear side of the valve core shell is provided with a sealed second sealing ring at the position corresponding to the inner wall of the valve hole, the rear side of the valve core shell is provided with a second sealing groove for arranging the second sealing ring, the front side of the valve core hole is provided with a third sealing groove, and a third sealing ring for sealing the joint of the rear end of the plug and the valve core shell is arranged in the third sealing groove.

Further, the valve hole be the step hole, the anterior internal diameter of valve hole is greater than the rear portion internal diameter of valve hole, the valve hole runs through the valve body front and back end, the valve hole is the taper hole structure in valve body rear end department.

Furthermore, the front end of the valve body is provided with a front external thread connected with the socket thread, the rear part of the valve body is provided with a rear external thread, the middle part of the valve body is provided with a valve table of a hexagonal structure, the valve table is provided with a U-shaped groove, a connecting cable is arranged in the U-shaped groove, and the other end of the connecting cable is connected with a plug.

Furthermore, a sealing ring is arranged between the valve table and the rear external thread, and a check ring is arranged at the sealing ring.

Furthermore, the axis of the socket is provided with a socket hole which penetrates through the socket hole from front to back, the plug is matched with the front end of the socket hole, the valve body is matched with the rear end of the socket hole, the front end of the socket is provided with a key hole which is arranged along the radial direction of the socket, the push-button type locking structure comprises a push button and a push-button spring which are arranged in the key hole, the push button spring is arranged at the bottom of the push button, the push button is provided with a matching hole for the plug to pass through, the push button spring supports the push button at the bottom, the matching hole forms an eccentric hole-shaped structure at the key hole, the hole wall at the bottom side of the matching hole is provided with a locking bulge, the front end surface of the locking bulge is a conical surface, the rear end surface of the locking bulge is a locking surface which is parallel to the radial direction, a locking groove which is matched with the locking bulge is arranged at the corresponding position on the plug, and the length of the locking groove in the axial direction of the socket is greater than the length of the locking bulge in the axial direction of the socket,

furthermore, the socket in be equipped with the interior boss of restriction separation blade position corresponding department separation blade front side department, the terminal surface is equipped with the preceding boss in order to restrict the button in extending to the button before the separation blade, the axle center department of preceding boss is equipped with the bell mouth, the great end of bell mouth is towards the plug side, the plug corresponds department with the bell mouth and is equipped with structure and bell mouth complex toper portion, toper portion and toper portion cooperation restriction plug depth of insertion, the plug locking is back on the socket, the rear end of plug just with contradict to third sealing washer department, form sealedly with the third sealing washer.

Furthermore, a position-limiting step surface matched with the valve body is arranged at the corresponding position of the outer peripheral surface of the valve core shell.

The utility model has the advantages that: according to the above technical scheme, push type quick release connector, convenient to use need not the instrument and can manually connect and dismantle, has improved installation and operating efficiency, simple structure, sealed effectual when sealed, during the intercommunication, the unblocked nature is good.

Drawings

The foregoing and other objects, features, and advantages of the invention will be apparent from the following detailed description taken in conjunction with the accompanying drawings.

Fig. 1 is a schematic cross-sectional structure diagram according to an embodiment of the present invention.

Fig. 2 is a schematic cross-sectional view of an exploded state according to an embodiment of the present invention.

Wherein: the plug comprises a plug body 1, a locking groove 1-1, a socket body 2, a socket hole 21, a key hole 22, a valve body 3, a valve hole 31, a valve table 32, a key 4, a matching hole 41, a locking bulge 42, a key spring 5, a baffle 6, a front boss 61, a valve core shell 7, a core hole 71, a limiting step surface 72, a valve core 8, a sealing part 81, a first sealing ring 9, a first sealing groove 91, a second sealing ring 10, a second sealing groove 101, a third sealing ring 11, a third sealing groove 111, a valve core spring 12, a retainer ring 13 and a sealing ring 14.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

Referring to fig. 1 and 2, a press type quick unlocking connector comprises a socket 2, a plug 1 detachably connected with the front end of the socket 2, and a valve body 3 detachably connected with the rear end of the socket 2, wherein an axle center of the socket 2 is provided with a socket hole 21 penetrating through the socket hole from front to back, the plug 1 is in sliding fit with the front end of the socket hole 21, the valve body 3 is in threaded fit with the rear end of the socket hole 21, the front end of the valve body 3 is externally provided with a front external thread, the front end of the socket 2 is provided with a key hole 22 formed along the radial direction of the socket 2, a key 4 for locking the plug 1 is arranged in the key hole 22, the bottom of the key 4 is provided with a key spring 5, a key spring groove provided with the key spring 5 is arranged at the corresponding position in the key hole 22, under the action of the key spring 5, the arc surface of the key 4 is higher than the cylindrical surface on the socket 2, the axle center of the key 4 is provided with a matching hole 41 for the plug 1 to pass through, and a locking protrusion 42 is arranged on the inner wall of the bottom side of the matching hole 41, the eccentric hole-shaped structure is formed by the matching hole and the key hole, the front end face of the locking protrusion 42 is a conical surface, the rear end face of the locking protrusion 42 is a locking face parallel to the radial direction, a locking groove 1-1 matched with the locking protrusion 42 is formed in the corresponding position of the plug 1, the length of the locking groove 1-1 in the axial direction of the socket is larger than that of the locking protrusion in the axial direction of the socket, the structure enables the plug 1 to be effectively locked by the key after being inserted, and the plug 1 can be effectively separated when the key is unlocked.

A valve hole 31 is arranged at the axis of the valve body 3, a movable valve core 8 is arranged inside the front side of the valve hole 31, a valve core shell 7 is arranged in the socket hole 21, the rear end of the valve core shell 7 extends to the inside of the front side of the valve hole 31, a core hole 71 is arranged at the axis of the valve core shell 7, a sealing part 81 extending into the core hole 71 is arranged at the axis of the front end surface of the valve core 8, an annular first sealing groove 91 is arranged at the sealing part 81, a first sealing ring 9 is arranged in the first sealing groove 91, a valve core spring 12 which enables the valve core 8 to be kept in contact with the valve core shell 7 to keep sealing is further arranged at the rear side of the valve core 8 in the valve hole 31, the valve core spring 12 is in a compression state under a normal state, the elastic force of the valve core spring 12 pushes the valve core 8 forwards, the sealing part 81 of the valve core 8 is kept in fit and sealing with the core hole 71, meanwhile, the front end surface of the valve core 8 is abutted against the rear end surface of the valve core shell 7 to play a sealing role, the first sealing ring 9 enables the sealing part 81 to be in contact with the core hole 71, the sealing performance is better, the outer diameter of the front part of the valve core shell 7 is larger than that of the rear part of the valve core shell, the outer peripheral surface of the valve core shell 7 is in a step-shaped structure, a limit step surface 72 is formed at the joint of the outer diameters, the limit step surface 72 is positioned at the front side of the first sealing ring 9, the front end of the valve body 3 extends to the limit step surface 72, and the front end surface of the valve body 3 is abutted against the limit step surface 72, the axial position of the valve core shell is limited, the valve core shell 7 is fixed, a second sealing ring 10 for sealing is arranged at the position, corresponding to the inner wall of the valve hole 31, of the rear side of the valve core shell 7, a second sealing groove 101 for arranging the second sealing ring 10 is arranged at the position of the rear side of the valve core shell 7, the second sealing ring 10 seals the contact surface of the valve core shell 7 and the valve hole, a third sealing groove 111 is arranged at the position of the front side of the valve core hole 71, and a third sealing ring 11 for sealing the connection position of the rear end of the plug 1 and the valve core shell 7 is arranged in the third sealing groove 111.

A baffle 6 is arranged at the front side of a valve core shell 7 in a socket 1, the front end of the valve core shell 7 is abutted against the rear end of the baffle 6 to axially limit the baffle 6, an inner boss for limiting the position of the baffle is arranged at the front side of the baffle 6 corresponding to the position in a socket hole, a front boss 61 extending into a key hole to limit a key is arranged on the front end surface of the baffle 6, a tapered hole is arranged at the axis of the front boss 61, the larger end of the tapered hole faces the plug side, a tapered part with a structure matched with the tapered hole is arranged at the position of the plug corresponding to the tapered hole, the insertion depth of the plug is limited by the matching of the tapered part and the tapered part, the rear end of the plug is abutted against a third sealing ring 11 right after the plug is locked on the socket, the third sealing ring 11 forms a seal, the baffle 6 is arranged between the key hole and the socket hole, the front side of the baffle 6 is tightly attached to the inner boss hole, and the position of the key is limited by the front boss, the locking protrusion and the matching position of the locking groove form step sealing, so that dust can be effectively prevented from entering the valve body.

The valve hole 31 is a step hole, the front inner diameter of the valve hole 31 is larger than the rear inner diameter of the valve hole 31, the valve hole 31 penetrates through the front end and the rear end of the valve body 3, a valve core spring is convenient to arrange by the structure, the rear end of the valve hole 31 of the valve body 3 is of a taper hole structure, fluid is convenient to flow smoothly when the valve body is connected with equipment or a pipeline, a valve table 32 of a hexagonal structure is arranged in the middle of the valve body 3, a U-shaped groove (not marked in the drawing) is arranged at the valve table 32, a connecting cable (not shown in the drawing) is arranged in the U-shaped groove, the other end of the connecting cable is connected with the plug 1, the plug is fixed with the valve body through the connecting cable, the plug is prevented from being lost, a sealing ring 14 is arranged between the valve table 32 and a rear external thread, a pressing retaining ring 13 is arranged at the sealing ring 14, and when the valve port of the equipment or the pipeline is connected, the retaining ring 13 is limited, the sealing ring 14 is extruded, and a sealing effect is achieved.

The utility model discloses a working process is: before use, the key 4 is pressed by hand, the key 4 compresses the key spring 5, the locking groove 11 on the plug 1 is separated from the locking protrusion of the key, the plug 1 is taken out, when the plug is connected, the rear external thread end of the valve body is connected with the valve port of a pipeline or equipment, the male plug is butted with the socket 1, the structure of the male plug is consistent with that of the plug 1, but the rear end of the male plug can extend into the core hole 71 after the male plug is locked, the sealing part 82 in the core hole 71 is pushed backwards, the valve core 8 compresses the valve core spring 12 under the action of thrust, the valve core 8 is smoothly separated from the valve core shell 7, the valve core 8 is in an open state, fluid flows to the other side from one side through the through hole of the valve core 8, when the connection is disconnected, the key 4 is pressed, the male plug is separated, meanwhile, the male plug is popped outwards under the action of the spring force of the valve core, the valve core 8 is connected and sealed with the valve core shell 7, and the joint is disconnected, the pipeline is closed.

The above is only the preferred embodiment of the present invention, not to the limitation of the present invention in any form, all the techniques of the present invention are substantially any simple modification and equivalent changes to the above embodiments, all falling within the protection scope of the present invention.

Claims

1. The utility model provides a quick release of push type connects, includes the socket, can dismantle the plug of being connected, can dismantle the valve body of being connected with the socket rear end with the socket front end, its characterized in that: the front end of the socket is provided with a button type locking structure for locking the plug, the front end of the valve body is in threaded connection with the rear end of the socket, a valve hole is arranged at the axis of the valve body, a movable valve core is arranged inside the front side of the valve hole, a valve core shell is arranged inside the socket, the rear end of the valve core shell extends into the front side of the valve hole, a core hole is arranged at the axis of the valve core shell, a sealing part extending into the core hole is arranged at the axis of the front end surface of the valve core, a first sealing groove is formed at the sealing part, a first sealing ring is arranged in the first sealing groove, a valve core spring for keeping the valve core in contact with the valve core shell is arranged at the rear side of the valve core, the front end of the valve body extends to the front side of the first sealing ring, the front end of the valve body is abutted against the outer circumferential surface of the valve core shell to limit the axial position of the valve core shell, a separation blade is arranged at the front side of the valve core shell, the front end of the valve core shell is abutted against the rear end of the separation blade, a second sealing ring is arranged at the position corresponding to the inner wall of the valve hole, the rear side of the valve core shell is provided with a second sealing groove provided with a second sealing ring, the front side of the valve core hole is provided with a third sealing groove, and a third sealing ring for sealing the joint of the rear end of the plug and the valve core shell is arranged in the third sealing groove.

2. The push type quick unlocking connector as claimed in claim 1, wherein: the valve hole be the step hole, the anterior internal diameter of valve hole is greater than the rear portion internal diameter of valve hole, the valve hole runs through the valve body front and back end, the valve hole is the taper hole structure in valve body rear end department.

3. The push type quick unlocking connector as claimed in claim 1, wherein: the front end of the valve body is provided with a front external thread connected with the socket thread, the rear part of the valve body is provided with a rear external thread, the middle part of the valve body is provided with a valve table of a hexagonal structure, the valve table is provided with a U-shaped groove, a connecting cable is arranged in the U-shaped groove, and the other end of the connecting cable is connected with a plug.

4. The push type quick unlocking connector as claimed in claim 3, wherein: and a sealing ring is arranged between the valve table and the rear external thread, and a check ring is arranged at the sealing ring.

5. The push type quick unlocking connector as claimed in claim 1, wherein: the axle center department of socket be equipped with the socket hole that runs through around, the plug cooperates with the socket hole front end, valve body and socket hole rear end cooperation, the front end of socket is equipped with along its radial button hole of seting up, button locking structure including setting up button, the button spring in the button hole, the button spring is located the bottom of button, the button is equipped with the mating holes that supplies the plug to pass, the button spring supports the button at the bottom, the mating holes forms eccentric hole column structure in button hole department, the bottom side pore wall of mating holes is equipped with the locking arch, the bellied preceding terminal surface of locking is the conical surface, the bellied rear end face of locking is with radial parallel's locking face, correspond the department on the plug be equipped with the protruding complex locking groove of locking, the length of locking groove in the socket axial is greater than the protruding ascending length of locking in the socket axial.

6. The push type quick unlocking connector as claimed in claim 1, wherein: the socket in correspond department separation blade front side department and be equipped with the interior boss of restriction separation blade position, the terminal surface is equipped with the preceding boss in order to restrict the button in extending to the button before the separation blade, the axle center department of preceding boss is equipped with the bell mouth, the great end of bell mouth is towards the plug side, the plug corresponds department with the bell mouth and is equipped with structure and bell mouth complex toper portion, toper portion and toper portion cooperation restriction plug depth of insertion, the plug locking is back on the socket, the rear end of plug just with contradict to third sealing washer department, form sealedly with the third sealing washer.

7. The push type quick unlocking connector as claimed in claim 1, wherein: the corresponding position of the outer peripheral surface of the valve core shell is provided with a limiting step surface matched with the valve body.