CN214662805U - Plug-type quick-operation joint - Google Patents
Plug-type quick-operation joint Download PDFInfo
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- CN214662805U CN214662805U CN202120565922.2U CN202120565922U CN214662805U CN 214662805 U CN214662805 U CN 214662805U CN 202120565922 U CN202120565922 U CN 202120565922U CN 214662805 U CN214662805 U CN 214662805U
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- movable
- steel ball
- valve rod
- joint
- valve core
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Abstract
The utility model relates to a plug-type quick-operation joint, including connecting the main part, setting up case in connecting the main part, connecting the case spring between case and joint main part for the joint sleeve of another joint of butt joint, the joint sleeve inner wall is formed with the bayonet socket, the case seal block up in on the bayonet socket, establish the case chamber in the case, establish a valve rod in the case chamber, the valve rod front end stretches out in the case terminal surface, the valve rod includes the valve rod conical surface, establish valve rod sealing washer between valve rod conical surface and the case, establish valve rod spring between valve rod and the case. The utility model discloses a setting at the inside valve rod of case realizes the pressure release through promoting the valve rod earlier, promotes the case again, compares in directly promoting the case, and is more laborsaving, and it is more convenient to operate.
Description
Technical Field
The utility model relates to a quick-operation joint.
Background
The quick connector is a pipeline which can be quickly connected or disconnected, and a connecting device which can be quickly disassembled and assembled is realized. The valve core is arranged in the male connector and the female connector in a sealing mode, a group of steel balls are further arranged on the female connector, and a movable sleeve is sleeved outside the steel balls. When in connection, the movable sleeve is pushed away, the steel balls are released, the male connector is inserted into the female connector, the valve cores of the two connectors are mutually pushed open to realize pipeline communication, and after the movable sleeve is released, the steel balls are clamped at the outer step of the male connector to realize connection. When the valve core is disassembled, the movable sleeve is pushed open, the steel ball is released, the male connector is pulled out, the valve core automatically seals the pipeline, and then the movable sleeve is released, so that the disassembly can be realized.
When in connection, the operation under pressure is generally needed, and for the on-off of the liquid channel, the liquid is different from the gas, so the liquid channel has no compressibility, and the connection is laborious, and particularly, the operation is difficult in a high-pressure state.
Disclosure of Invention
In order to overcome the defects in the prior art, the utility model provides a push-pull quick coupling which can be conveniently connected by pressure relief.
The utility model discloses a following technical scheme realizes:
a push-pull quick connector comprises a connector main body, a valve core arranged in the connector main body, a valve core spring connected between the valve core and the connector main body, and a connector sleeve for butting with another connector, wherein a bayonet is formed on the inner wall of the connector sleeve, the valve core is sealed and plugged on the bayonet, a valve core cavity is arranged in the valve core, a valve rod is arranged in the valve core cavity, the front end of the valve rod extends out of the end face of the valve core, the valve rod comprises a valve rod conical surface, a valve rod sealing ring is arranged between the valve rod conical surface and the valve core, and the valve rod spring is arranged between the valve rod and the valve core.
Preferably, the front end of the valve core is provided with a tapered valve core head, the front end of the valve core head is provided with a pressure relief hole communicated with the valve core cavity, and the pressure relief hole is positioned on the front side of the bayonet.
Preferably, the joint sleeve is sleeved with a connecting sleeve, a circle of steel balls are embedded in the joint sleeve, and a circle of first steel ball groove and a circle of second steel ball groove for the steel balls to roll into are respectively formed in the inner surface of the connecting sleeve, which is positioned on the front side and the rear side of the steel balls.
Preferably, the joint body is internally provided with a movable core, the movable core is fixedly connected with the joint sleeve, a joint spring is connected between the joint sleeve and the joint body, the joint sleeve is fixedly connected with the joint body, and the joint sleeve moves back and forth relative to the joint body and the joint sleeve.
Preferably, a valve core spring seat is arranged in the movable core, a valve core spring is arranged on the valve core spring seat and connected with the valve core, a movable sleeve is arranged behind the valve core spring seat, and the movable sleeve is connected with the movable core through a movable spring positioned behind the movable sleeve.
Preferably, a movable steel ball is embedded in the movable core, an arc-shaped groove is formed in the outer surface of the movable sleeve corresponding to the position of the movable steel ball, the front end of the arc-shaped groove is in arc connection with the surface of the movable sleeve, a movable groove is formed in the inner surface of the joint main body corresponding to the position of the movable steel ball, the movable steel ball is abutted against the front end of the movable groove, when the movable steel ball falls into the arc-shaped groove, the upper end face of the movable steel ball is not higher than the inner surface of the joint main body, and when the movable steel ball rolls out of the arc-shaped groove, the upper end face of the movable steel ball is higher than the inner surface of the joint main body.
Preferably, the inner surface of the joint main body is provided with a sliding groove, the surface of the movable core is convexly provided with a sliding lug corresponding to the sliding groove, and the distance between the sliding lug and the front end and the distance between the sliding lug and the rear end of the sliding groove are matched with the distance between the steel ball and the first steel ball groove and the distance between the steel ball and the second steel ball groove.
Preferably, sealing rings are arranged between the movable core and the joint main body, between the sliding lug and the joint main body, and between the valve core head and the bayonet.
The utility model discloses establish a valve rod again in the case, the valve rod front end stretches out in the case terminal surface, and when initial condition, sealing connection between valve rod and the case chamber, whole joint is in encapsulated situation promptly. In the process of butting the other connector, the valve core of the other connector firstly butts against the valve rod of the connector, and the pressure is higher because the end surface area of the valve rod is far smaller than that of the valve core, so that the valve rod can be jacked open by only smaller external force compared with the process of directly jacking the valve core. After the valve rod is ejected, the valve rod and the valve core are not sealed any more, and pressure relief is realized. And the other connector pushes against the valve core in the process of continuing jacking to jack the valve core open, so that the communication of the channel between the two connectors is realized. Because when conflicting the case, the pressure of case inside has carried out the pressure release through the clearance between valve rod and the case, then connects when pushing in, and is more laborsaving, and it is more convenient to operate.
The beneficial effects of the utility model reside in that: the utility model discloses a setting at the inside valve rod of case realizes the pressure release through promoting the valve rod earlier, promotes the case again, compares in directly promoting the case, and is more laborsaving, and it is more convenient to operate.
Drawings
Fig. 1 is a schematic sectional structure view of the initial state of the present invention.
Fig. 2 is a schematic view of the connection state sectional structure of the present invention.
Detailed Description
The following provides a more detailed description of the present invention with reference to the accompanying drawings and detailed description.
As shown in fig. 1 and 2. The utility model provides a plug-type quick-operation joint, including joint main part 1, the case 13 of setting in the joint main part, connect the case spring 8 between case and joint main part, a joint sleeve 11 for docking another joint, the joint sleeve inner wall is formed with the bayonet socket, case 13 seals and blocks up on the bayonet socket, establishes the case chamber in the case, establishes a valve rod 14 in the case chamber, 14 front ends of valve rod stretch out in the case terminal surface, the valve rod includes valve rod conical surface 21, establish the valve rod sealing washer between valve rod conical surface 21 and the case, establish valve rod spring 10 between valve rod and the case. The front end of the valve core is provided with a tapered valve core head, the front end of the valve core head is provided with a pressure relief hole 22 communicated with the valve core cavity, and the pressure relief hole 22 is positioned on the front side of the bayonet.
A valve rod 14 is further arranged in the valve core, the front end of the valve rod extends out of the end face of the valve core, and in the initial state, the valve rod is in sealing connection with the valve core cavity, namely the whole joint is in a sealing state. In the process of butting the other joint, the valve core of the other joint firstly butts against the valve rod 14 of the joint, and the pressure is higher because the end surface area of the valve rod is far smaller than that of the valve core 13, so that the valve rod can be jacked open by only smaller external force compared with the process of directly jacking the valve core. After the valve rod is ejected, a gap is formed between the conical surface 21 of the valve rod and the valve core, the valve rod and the valve core are not sealed any more, and pressure relief is realized. And the other connector pushes against the valve core in the process of continuing jacking to jack the valve core open, so that the communication of the channel between the two connectors is realized. Because when conflicting the case, the pressure of case inside has carried out the pressure release through the clearance between valve rod and the case, and especially some high pressure occasions are pressed in the area, and the joint is when pushing in, more laborsaving, and it is more convenient to operate.
The valve core structure can be applied to a male connector and a female connector. In this embodiment, it is applied to a push-pull type quick female joint.
The joint sleeve 11 is externally sleeved with a connecting sleeve 16, the connecting sleeve 16 is fixedly connected with the joint main body 1, a circle of steel balls 15 are embedded in the joint sleeve in the circumferential direction, and a circle of first steel ball grooves 24 and a circle of second steel ball grooves 23 for the steel balls to roll into are respectively formed in the inner surface of the connecting sleeve in front of and behind the steel balls. When the joint sleeve is in the initial state, the steel ball is located at the clamping position between the first steel ball groove and the second steel ball, and when the joint sleeve 11 moves backwards relative to the connecting sleeve 16, the steel ball enters the second steel ball groove 23, and when the joint sleeve moves forwards, the steel ball enters the first steel ball groove 24. The movable core 2 is further arranged in the joint main body, the movable core 2 is fixedly connected with the joint sleeve 11, the joint spring 12 is connected between the joint sleeve and the joint main body, and the joint sleeve 11 and the movable core 2 move back and forth relative to the joint main body 1 and the connecting sleeve 16.
A valve core spring seat 20 is arranged in the movable core, a valve core spring 8 is arranged on the valve core spring seat and connected with the valve core, a movable sleeve 6 is arranged behind the valve core spring seat, the movable sleeve 6 is positioned in the movable core 2, the movable sleeve 6 is connected with the movable core 2 through a movable spring 4 positioned behind the movable sleeve 6, and the valve core 13 can drive the movable sleeve 6 to move backwards. The movable core is embedded with movable steel balls 7 along the circumferential direction, the outer surface of the movable sleeve is provided with an arc-shaped groove 18 corresponding to the position of the movable steel ball, the front end of the arc-shaped groove is connected with the surface of the movable sleeve in an arc-shaped manner, the inner surface of the joint main body is provided with a movable groove 19 corresponding to the position of the movable steel ball, and the movable steel ball is abutted against the front end of the movable groove. When the movable steel ball falls into the arc-shaped groove 18, the upper end face of the movable steel ball is not higher than the inner surface of the joint main body, namely, the movable steel ball is basically flush with the surface of the movable steel ball, so that the movable sleeve and the movable core can move back and forth relative to the joint main body, when the movable steel ball rolls out of the arc-shaped groove 18 along the front end, the movable steel ball is positioned in the movable groove 19, the upper end face of the movable steel ball is higher than the inner surface of the joint main body, the movable steel ball can only move back and forth in the movable groove, namely, the movable core is also limited in the interval. The inner surface of the joint main body is provided with a sliding groove 17, the surface of the movable core is convexly provided with a sliding lug 25 corresponding to the sliding groove, and the distance between the sliding lug and the front end and the rear end of the sliding groove is matched with the distance between the steel ball and the first steel ball groove and the distance between the steel ball and the second steel ball groove. Sealing rings 3 are respectively arranged between the movable core and the joint main body, between the sliding lug and the joint main body and between the valve core head and the bayonet.
When the male connector is inserted, the valve core in the male connector firstly pushes against the valve rod 14, the valve rod 14 is pushed to move backwards, then the sealing between the valve rod conical surface 21 and the valve core 13 is avoided, namely a gap is formed between the valve rod and the valve core, the internal pressure of the valve core is released to realize pressure relief, and the medium in the female connector can be relieved through the gap between the valve rod and the valve core and the pressure relief hole 22. The valve core in the male connector further props against the valve core of the female connector and pushes the valve core to compress the valve core spring 8 to move backwards. When the valve core moves backwards, the movable sleeve 6 is pushed to move backwards. Because the connecting sleeve 16 is fixedly connected to the connector main body and can not be opened to release the steel balls, when the male connector is inserted, the valve core is pushed backwards, the clamping convex ring on the male connector is positioned in front of the steel balls and pushes the connector sleeve 11 to compress the connector spring to move backwards, and the movable core 2 is driven to move backwards. After pressure is relieved, the male connector pushes the joint sleeve, the movable core, the valve core and the movable sleeve to integrally move backwards, the movable steel ball 7 between the movable core and the movable sleeve keeps falling into the arc-shaped groove 18 and synchronously moves backwards with the movable core 2 and the movable sleeve 6 until the steel ball 15 falls into the second steel ball groove 23, so that the clamping convex ring is positioned behind the steel ball to facilitate clamping, and the in-place effect is realized. After the male connector is in place, the male connector is released, the connector spring returns to drive the connector sleeve to move forwards to the initial position, the steel balls 15 return to the clamping position between the first steel ball groove and the second steel ball groove, and the male connector is clamped and fixed in the female connector. In the process, the movable core returns to the initial position along with the joint sleeve, the valve core spring 8 is in a compressed state, the bayonet is in an open state, and the movable spring 4 is also in a compressed state. When the movable core 2 is restored and moves forward relative to the movable sleeve, the movable steel ball 7 rolls into the movable groove 19 along the arc-shaped groove and is still abutted against the rear end position of the ball groove. At this point, the male connector and the female connector are connected, and the channels are communicated with each other, as shown in fig. 2, which is the state when the male connector and the female connector are connected.
When it is desired to unlatch, mechanical action can be achieved by simply pulling the male connector outwardly. The male connector drives the connector sleeve to move forward to drive the movable core to move forward, the movable steel ball moves forward in the movable groove 19 until the steel ball falls into the first steel ball groove 24, the steel ball is released, and the male connector can be smoothly unfastened. The joint sleeve 11 is reset by the joint sleeve spring 12, the movable spring pushes the movable sleeve 6 to reset, the valve rod spring pushes the valve rod to reset, the movable steel ball falls into the arc-shaped groove, and all the parts are restored to the initial state. When the male connector is unlocked, the movable steel ball can not move backwards because the movable steel ball is propped against the movable groove when the male connector is pushed inwards, so that the male connector can only be pulled outwards to be unlocked when the male connector is unlocked, and the male connector cannot be pushed inwards to be unlocked.
The utility model discloses a setting at the inside valve rod of case realizes the pressure release through promoting the valve rod earlier, promotes the case again, compares in directly promoting the case, and is more laborsaving, and it is more convenient to operate.
The utility model discloses on connecting sleeve fixed connection connects the main part, set up movable core in connecting the main part again, the event can only make the steel ball seesaw through the adapter sleeve seesaw, when adapter sleeve rearward movement, inwards push promptly for pin the male joint, move forward when outer pull adapter sleeve, be used for unblock male joint.
Claims (8)
1. The utility model provides a plug-type quick-operation joint, includes the joint main part, sets up the case in the joint main part, connects the case spring between case and joint main part for the joint sleeve of another butt joint, the joint sleeve inner wall is formed with the bayonet socket, the case seals stifled in on the bayonet socket, its characterized in that: the valve comprises a valve core, a valve rod sealing ring and a valve rod spring, wherein a valve core cavity is arranged in the valve core, the valve rod is arranged in the valve core cavity, the front end of the valve rod extends out of the end face of the valve core, the valve rod comprises a valve rod conical surface, the valve rod sealing ring is arranged between the valve rod conical surface and the valve core, and the valve rod spring is arranged between the valve rod and the valve core.
2. A push-pull quick connector as claimed in claim 1 wherein: the front end of the valve core is provided with a tapered valve core head, the front end of the valve core head is provided with a pressure relief hole communicated with the valve core cavity, and the pressure relief hole is positioned on the front side of the bayonet.
3. A push-pull quick connector according to claim 1 or 2, characterized in that: the joint sleeve is sleeved with a connecting sleeve, a circle of steel balls are embedded in the joint sleeve, and a circle of first steel ball groove and a circle of second steel ball groove for the steel balls to roll into are respectively formed in the front side and the rear side of the inner surface of the connecting sleeve, which are positioned on the steel balls.
4. A push-pull quick connector as claimed in claim 3 wherein: still be equipped with the activity core in the joint main part, activity core and adapter sleeve fixed connection, be connected with the joint spring between adapter sleeve and the joint main part, fixed connection between adapter sleeve and the joint main part, the adapter sleeve is relative joint main part and adapter sleeve seesaw.
5. A push-pull quick connector as claimed in claim 4 wherein: a valve core spring seat is arranged in the movable core, a valve core spring is arranged on the valve core spring seat and connected with the valve core, a movable sleeve is arranged behind the valve core spring seat, and the movable sleeve is connected with the movable core through a movable spring positioned behind the movable sleeve.
6. A push-pull quick connector as claimed in claim 5 wherein: the movable steel ball is embedded in the movable core, an arc-shaped groove is formed in the outer surface of the movable sleeve corresponding to the position of the movable steel ball, the front end of the arc-shaped groove is in arc connection with the surface of the movable sleeve, a movable groove is formed in the inner surface of the joint main body corresponding to the position of the movable steel ball, the movable steel ball is abutted to the front end of the movable groove, when the movable steel ball falls into the arc-shaped groove, the upper end face of the movable steel ball is not higher than the inner surface of the joint main body, when the movable steel ball rolls out of the arc-shaped groove, the upper end face of the movable steel ball is higher than the inner surface of the joint main body.
7. A push-pull quick connector as claimed in claim 6 wherein: the connector comprises a connector body, a movable core and a steel ball, wherein a sliding groove is formed in the inner surface of the connector body, a sliding lug is convexly arranged on the surface of the movable core corresponding to the sliding groove, and the distance between the sliding lug and the front end and the distance between the sliding lug and the rear end of the sliding groove are matched with the distance between the steel ball and the first steel ball groove and the distance between the steel ball and the second steel ball groove.
8. A push-pull quick connector as claimed in claim 7 wherein: and sealing rings are arranged between the movable core and the joint main body, between the sliding lug and the joint main body and between the valve core head and the bayonet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120565922.2U CN214662805U (en) | 2021-03-19 | 2021-03-19 | Plug-type quick-operation joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120565922.2U CN214662805U (en) | 2021-03-19 | 2021-03-19 | Plug-type quick-operation joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214662805U true CN214662805U (en) | 2021-11-09 |
Family
ID=78454247
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120565922.2U Active CN214662805U (en) | 2021-03-19 | 2021-03-19 | Plug-type quick-operation joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214662805U (en) |
-
2021
- 2021-03-19 CN CN202120565922.2U patent/CN214662805U/en active Active
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