CN210919604U

CN210919604U - Gas valve integrated gas-liquid pressure cylinder

Info

Publication number: CN210919604U
Application number: CN201922082722.7U
Authority: CN
Inventors: 胡孝银; 孙方友
Original assignee: Dongguan Sento Automation Technology Co ltd
Current assignee: Dongguan Sento Automation Technology Co ltd
Priority date: 2019-11-28
Filing date: 2019-11-28
Publication date: 2020-07-03
Anticipated expiration: 2029-11-28

Abstract

The utility model discloses a pneumatic valve integrated form gas-liquid pressure cylinder, it includes pressure boost cylinder body and valve subassembly, the back of pressure boost cylinder body is covered and is equipped with and is used for the installation the valve chamber of valve subassembly, the valve subassembly includes first closing cap, second closing cap, spring and case. The utility model discloses structural design is ingenious, and it has the air valve subassembly to cover to embed rationally behind the pressure boost cylinder body, effectively optimizes the pipeline structure, makes outside pipeline still less, only needs the action that whole gas-liquid pressure cylinder can be controlled to a solenoid valve simultaneously. The control points are reduced during control, so that the circuit is simpler and more stable, the working stability is good, the operation is simple and easy, in addition, the whole structure is compact, the size is small, the occupied space is small, the working stability is good, the service life is long, the wide popularization and application are facilitated, and the control circuit is particularly suitable for occasions controlled by only one signal output circuit.

Description

Gas valve integrated gas-liquid pressure cylinder

Technical Field

The utility model relates to a pressurized cylinder technical field, concretely relates to pneumatic valve integrated form gas-liquid pressurized cylinder.

Background

The booster cylinder is designed by combining the advantages of the cylinder and the oil cylinder, hydraulic oil is strictly isolated from compressed air, a piston rod in the cylinder is automatically started after contacting a workpiece, the action speed is high, the booster cylinder is stable compared with air pressure transmission, the cylinder body device is simple, the output adjustment is easy, the high output of the oil press can be achieved under the same condition, the energy consumption is low, the soft landing does not damage the die, and the booster cylinder is widely applied at present.

Although the existing booster cylinder can meet the requirement of common boosting use, when in use, two or more electromagnetic valves are generally adopted to control the action of the booster cylinder. When the pressure cylinder is controlled, a plurality of control points need to be controlled respectively, so that the circuit control is more complex, the program steps are more, and when a plurality of electromagnetic valves are adopted for control, more external pipelines are needed, the appearance is influenced, and the hidden trouble is increased.

SUMMERY OF THE UTILITY MODEL

In view of the above, the utility model aims to provide a structural design is ingenious, reasonable, reduces the control point, simplifies the pneumatic valve integrated form gas-liquid pressure cylinder of pipeline.

In order to achieve the above purpose, the utility model provides a technical scheme is:

the utility model provides a pneumatic valve integrated form gas-liquid pressure cylinder, its includes pressure boost cylinder body and valve subassembly, the back of pressure boost cylinder body is covered and is equipped with and be used for the installation the valve chamber of valve subassembly, be equipped with on the preceding terminal surface of the back lid of this pressure boost cylinder body with the gas outlet that the valve chamber is linked together corresponds and is equipped with air inlet and gas vent on arranging in the lateral wall of this back lid in upper and lower position of corresponding gas outlet, the valve subassembly includes first closing cap, second closing cap, spring and case of gas valve, first closing cap and second closing cap seal the both ends opening part in valve chamber, spring and case setting are in the valve chamber, and can push the case and make gas outlet and gas vent be linked together to the removal of second closing cap direction, be equipped with on the second closing cap and conveniently drive the valve core and make the control mouth that gas outlet and air inlet are linked together to first closing cap direction removal compression spring.

As a preferred scheme of the utility model, cut down the chamber and lead position chamber portion including the first guide position chamber portion, first intercommunication chamber portion, middle chamber portion, second intercommunication chamber portion and the second that connect gradually and switch on, wherein the gas outlet is linked together with middle chamber portion, air inlet and first intercommunication chamber portion communicate, gas vent and second intercommunication chamber portion are linked together, it can will to second closing cap direction removal at it to be equipped with on the case middle chamber portion and the first sealing member that second intercommunication chamber portion cut off and be equipped with and will at its second sealing member that removes to first closing cap direction middle chamber portion and the second sealing member that first intercommunication chamber portion cut off.

As a preferable aspect of the present invention, a first sealing groove for installing a third sealing member is provided at a position of the valve element corresponding to the first guide cavity portion.

As a preferable embodiment of the present invention, the rear cover is provided with an air duct at a side position corresponding to the first guide chamber portion, the air duct communicating the upper end and the lower end of the first guide chamber portion.

As a preferable embodiment of the present invention, a second sealing groove for installing a fourth sealing element is provided at a position of the valve element corresponding to the second guide cavity portion.

As an optimized scheme of the utility model, the case forms the card protruding towards the radial increase of one end of second closing cap, is equipped with the third draw-in groove that is used for installing the fifth sealing member on this card protruding outer peripheral face, the radial increase in lower part chamber wall of position chamber portion forms the confession is led to the second the protruding activity position of making axial motion of card.

As an optimized proposal of the utility model, the position of the back cover corresponding to the movable position is provided with a breathing hole.

As an optimized scheme of the utility model, the case towards the one end terminal surface of second closing cap be equipped with the corresponding concave position of control mouth.

The utility model has the advantages that: the utility model discloses structural design is ingenious, and it has the air valve subassembly to cover to embed rationally behind the pressure boost cylinder body, effectively optimizes the pipeline structure, makes outside pipeline still less, only needs the action that whole gas-liquid pressure cylinder can be controlled to a solenoid valve simultaneously. The control points are reduced during control, so that the circuit is simpler and more stable, the working stability is good, the operation is simple and easy, in addition, the whole structure is compact, the size is small, the occupied space is small, the working stability is good, the service life is long, the wide popularization and application are facilitated, and the control circuit is particularly suitable for occasions controlled by only one signal output circuit.

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

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic sectional structure diagram 1 of the air valve assembly of the present invention.

Fig. 3 is a schematic sectional structure view of the air valve assembly of the present invention 2.

Fig. 4 is a schematic sectional structure diagram 3 of the air valve assembly of the present invention.

Fig. 5 is a schematic sectional structure view 1 of the middle and rear covers of the present invention.

Fig. 6 is a schematic sectional structure view 2 of the middle and rear covers of the present invention.

Fig. 7 is a schematic structural diagram of the valve core of the present invention.

Fig. 8 is a working principle diagram of the present invention.

Detailed Description

Embodiment, referring to fig. 1 to 7, the present embodiment provides a gas-valve integrated gas-liquid pressure cylinder, which includes a storage tank 1, a pressure cylinder 2, and a valve assembly 3.

The oil storage barrel 1 comprises an oil barrel body 11, and an oil barrel head cover 12 and an oil barrel tail cover 13 which are sealed at two ends of the oil barrel body 11; the supercharging cylinder 2 comprises a front cover 21, a front cylinder 22, a front piston rod 23, an intermediate body 24, a rear cylinder 25, a rear cover 26 and a supercharging piston rod 27, wherein the front cover 21 is sealed at the front end of the front cylinder 22, the front end of the intermediate body 24 is sealed at the tail end of the front cylinder 22, the front end of the intermediate body 24 is sealed at the front end of the rear cylinder 25, and the rear cover 26 is sealed at the tail end of the rear cylinder 25. The piston portion of the front piston rod 23 is disposed within the front cylinder 22, and the rod portion of the front piston rod 23 protrudes from the front cover 21. The piston part of the booster piston rod 27 is arranged in the rear cylinder 25, and the rod part of the booster piston rod 27 can extend into the front cylinder 22 during the extending action. The intermediate body 24 is provided with an oil path for communicating the oil cylinder body 11 with the front cylinder 22.

The back cover 26 of the pressure cylinder 2 is provided with a valve cavity 261 for installing the air valve assembly 3, the front end surface of the back cover 26 of the pressure cylinder 2 is provided with an air outlet 262 communicated with the valve cavity 261, the upper part and the lower part corresponding to the air outlet 262 are arranged on the side wall of the back cover 26 and are correspondingly provided with an air inlet 263 and an air outlet 264, the air valve assembly 3 comprises a first sealing cover 31, a second sealing cover 32, a spring 33 and a valve core 34, the first sealing cover 31 and the second sealing cover 32 are sealed at openings at two ends of the valve cavity 261, the spring 33 and the valve core 34 are arranged in the valve cavity 261 and can push the valve core 34 to move towards the second sealing cover 32 so as to communicate the air outlet 262 with the air inlet 263, and the second sealing cover 32 is provided with a control port 321 which can conveniently drive the valve core 34 to move towards the first sealing cover 31 so as to compress the spring 33 and communicate the air outlet 262 with the air outlet 264.

Specifically, the valve chamber 261 includes a first guide chamber portion 2611, a first communicating chamber portion 2612, an intermediate chamber portion 2613, a second communicating chamber portion 2614 and a second guide chamber portion 2615 which are connected and communicated in sequence, wherein the air outlet 262 is communicated with the intermediate chamber portion 2613, the air inlet 263 is communicated with the first communicating chamber portion 2612, the air outlet 264 is communicated with the second communicating chamber portion 2614, the valve core 34 is provided with a first sealing member 341 which can separate the intermediate chamber portion 2613 from the second communicating chamber portion 2614 by moving towards the second cover 32, and a second sealing member 342 which can separate the intermediate chamber portion 2613 from the first communicating chamber portion 2612 by moving towards the first cover 31.

The valve core 34 is provided with a first seal clamping groove 343 for mounting a third seal at a position corresponding to the first pilot chamber part 2611.

The rear cover 26 is provided with a ventilation channel 256 at a position corresponding to a lateral side of the first guide chamber part 2611 to communicate an upper end and a lower end of the first guide chamber part 2611, so that air pressures at both sides of the first sealing member 341 are the same, and smoothness of operation is improved.

The valve core 34 is provided with a second sealing groove 344 for installing a fourth sealing element at a position corresponding to the second guide position cavity part 2615. The valve core 34 is enlarged radially towards one end of the second cover 32 to form a clamping protrusion 345, a third clamping groove 346 for installing a fifth sealing element is arranged on the outer peripheral surface of the clamping protrusion 345, and the lower cavity wall of the second guide cavity part 2615 is enlarged radially to form a movable position 2616 for the axial movement of the clamping protrusion 345. A breathing hole 2617 is arranged at the position of the rear cover 26 corresponding to the movable position 2616, so that the valve core 34 can smoothly reciprocate in the axial direction. The end surface of the valve core 34 facing the second sealing cover 32 is provided with a concave position 347 corresponding to the control port 321, so that the air pressure receiving effect is better.

In the initial state, referring to fig. 8, port a of the solenoid valve 4 is vented, at this time, port P1 and port P2 are vented, port P3, port P4 and port P5 are vented, the valve element 34 is moved towards the second cover 32 by the elastic force of the spring 33, so that the gas outlet 262 is communicated with the gas outlet 264, and venting is realized, at this time, the pressure cylinder is in the return stroke state. When the electromagnetic valve 4 is switched to the port B for ventilation, at the moment, the port P1 and the port P2 are exhausted, the port P4 is charged, and the pre-pressure of the pressure cylinder is reduced; the front end of the interface P5 is regulated by a one-way throttle valve, the valve core 34 is pushed to move towards the first sealing cover 31 in a delayed manner, the compression spring 33 is enabled to enable the air outlet 262 to be communicated with the air inlet 263, the air outlet 264 is correspondingly sealed, the rear cylinder 25 starts to pressurize when the air flow is carried out, and the pressurizing piston rod 27 is pushed to extend out, so that the pressurizing purpose is realized; when the air pressure of the whole air-liquid pressure cylinder needs to be restored, the control electromagnetic valve 4 is switched to the opening A for ventilation, and the operation of the whole air-liquid pressure cylinder can be controlled by only one electromagnetic valve in the circulation mode. And control points are reduced during control, so that the circuit is simpler and more stable, the working stability is good, and the operation is simple and easy.

Variations and modifications to the above-described embodiments may occur to those skilled in the art, in light of the above teachings and teachings. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the present invention should fall within the protection scope of the claims of the present invention. In addition, although specific terms are used herein, these terms are for convenience of description only and do not limit the present invention, and other cylinders that are the same or similar to the present invention are also within the scope of the present invention.

Claims

1. A gas-valve integrated gas-liquid pressure cylinder comprises a pressure cylinder body and is characterized by also comprising a gas valve component, wherein a valve cavity for mounting the gas valve component is arranged on a rear cover of the pressure cylinder body, the front end surface of the back cover of the pressure cylinder body is provided with an air outlet communicated with the valve cavity, the upper part and the lower part corresponding to the air outlet are arranged on the side wall of the back cover and are correspondingly provided with an air inlet and an air outlet, the air valve assembly comprises a first sealing cover, a second sealing cover, a spring and a valve core, the first sealing cover and the second sealing cover are sealed at openings at two ends of the valve cavity, the spring and the valve core are arranged in the valve cavity, the valve core can be pushed to move towards the second sealing cover to enable the air outlet to be communicated with the air outlet, and a control port which can conveniently drive the valve core to move towards the first sealing cover to compress the spring to enable the air outlet to be communicated with the air inlet is formed in the second sealing cover.

2. The gas valve integrated gas-liquid pressure cylinder according to claim 1, characterized in that: the valve cavity comprises a first guide cavity part, a first communicating cavity part, a middle cavity part, a second communicating cavity part and a second guide cavity part which are sequentially connected and communicated, wherein the air outlet is communicated with the middle cavity part, the air inlet is communicated with the first communicating cavity part, the air outlet is communicated with the second communicating cavity part, the valve core is provided with a first sealing element which can move towards the second sealing cover direction to separate the middle cavity part from the second communicating cavity part and a second sealing element which can move towards the first sealing cover direction to separate the middle cavity part from the first communicating cavity part.

3. The gas valve integrated gas-liquid pressure cylinder according to claim 2, characterized in that: and a first sealing clamping groove for mounting a third sealing element is formed in the position, corresponding to the first guide position cavity, of the valve core.

4. The gas valve integrated gas-liquid pressure cylinder according to claim 3, characterized in that: and the rear cover is provided with an air duct which enables the upper end and the lower end of the first guide position cavity part to be communicated with each other at the side position corresponding to the first guide position cavity part.

5. The gas valve integrated gas-liquid pressure cylinder according to claim 2, characterized in that: and a second sealing clamping groove for mounting a fourth sealing element is formed in the position, corresponding to the second guide position cavity, of the valve core.

6. The gas valve integrated gas-liquid pressure cylinder according to claim 2, characterized in that: one end of the valve core facing the second sealing cover is radially enlarged to form a clamping protrusion, a third clamping groove used for mounting a fifth sealing element is formed in the outer peripheral surface of the clamping protrusion, and the lower cavity wall of the second guide cavity portion is radially enlarged to form a movable position for the clamping protrusion to axially move.

7. The gas valve integrated gas-liquid pressure cylinder according to claim 6, characterized in that: the position of the rear cover corresponding to the movable position is provided with a breathing hole.

8. The gas valve integrated gas-liquid pressure cylinder according to claim 2, characterized in that: and a concave position corresponding to the control port is arranged on the end face of one end, facing the second sealing cover, of the valve core.