CN223294352U - A pneumatic pressure regulating valve structure - Google Patents
A pneumatic pressure regulating valve structureInfo
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- CN223294352U CN223294352U CN202422378172.4U CN202422378172U CN223294352U CN 223294352 U CN223294352 U CN 223294352U CN 202422378172 U CN202422378172 U CN 202422378172U CN 223294352 U CN223294352 U CN 223294352U
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- regulating valve
- pressure regulating
- pressure
- pneumatic
- valve
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Abstract
本实用新型公开了一种气动调压阀结构，属于调压阀技术领域，该一种气动调压阀结构，喷水卸荷机构，喷水卸荷机构包括卸荷组件和高压喷头，调压阀的两侧分别设置有输入口和输出口，调压阀的底部设置有泄压口，卸荷组件螺纹密封安装于调压阀的底部，高压喷头密封安装于调压阀的输出口，当高压端需要关闭时，气缸断气向下的压力消失，阀芯在高压水的作用下将阀芯向上推起，阀芯和阀座分离，卸荷口打开，调压阀输出端的液体流入通管内，此时再拆卸高压喷头调压阀内部不会流出水，阻止了气动调压阀卸荷时，水从通管流至输出端高压喷头处，有效避免在拆卸高压喷头时水流出。
The utility model discloses a pneumatic pressure-regulating valve structure, which belongs to the technical field of pressure-regulating valves. The pneumatic pressure-regulating valve structure includes a water spraying unloading mechanism, which includes an unloading component and a high-pressure nozzle. An input port and an output port are respectively provided on both sides of the pressure-regulating valve, and a pressure relief port is provided at the bottom of the pressure-regulating valve. The unloading component is threadedly and sealably installed at the bottom of the pressure-regulating valve, and the high-pressure nozzle is sealably installed at the output port of the pressure-regulating valve. When the high-pressure end needs to be closed, the downward pressure of the cylinder is cut off and disappears. The valve core pushes the valve core upward under the action of high-pressure water, and the valve core and the valve seat are separated. The unloading port is opened, and the liquid at the output end of the pressure-regulating valve flows into the through pipe. At this time, water will not flow out of the pressure-regulating valve when the high-pressure nozzle is disassembled, which prevents water from flowing from the through pipe to the high-pressure nozzle at the output end when the pneumatic pressure-regulating valve is unloaded, effectively preventing water from flowing out when the high-pressure nozzle is disassembled.
Description
Technical Field
The utility model relates to the field of pressure regulating valves, in particular to a pneumatic pressure regulating valve structure.
Background
The pneumatic pressure regulating valve is one of important equipment in the field of industrial automation control, and is mainly used for regulating the pressure of a medium in a pipeline, the pneumatic pressure regulating valve takes compressed air as a power source, and the pressure is controlled by regulating the opening of a valve, so that the pressure stability in a process flow is realized.
In the service scenario of pneumatic air-vent valve, there is the condition that high-pressure water output end nozzle needs periodic on-off to switch, but pneumatic air-vent valve will have water outflow when dismantling the nozzle of high-pressure output end, influence the change of nozzle, pneumatic air-vent valve's application scenario is comparatively comprehensive, there is the scene to need frequently change the components and parts of output end, the output all has the rivers to flow when changing at every turn, the equipment that rivers flow to fall to the below can influence the life of below equipment equally, the original paper of its inside of frequent opening and closing pneumatic air-vent valve is worn and torn easily simultaneously, lead to its life to descend. How to develop a pneumatic pressure regulating valve structure to improve these problems is a urgent problem for those skilled in the art.
Disclosure of utility model
In order to make up for the defects, the utility model provides a pneumatic pressure regulating valve structure, which aims to solve the problem that water flows when components such as an output end nozzle are replaced.
The utility model is realized by a pneumatic pressure regulating valve structure, which comprises
The pressure regulating mechanism comprises a pressure regulating valve;
The water spraying unloading mechanism comprises an unloading assembly and a high-pressure spray head, an input port and an output port are respectively arranged on two sides of the pressure regulating valve, a pressure relief opening is arranged at the bottom of the pressure regulating valve, the unloading assembly is in threaded sealing installation at the bottom of the pressure regulating valve, and the high-pressure spray head is in sealing installation at the output port of the pressure regulating valve.
In a preferred technical scheme of the utility model, the upper part of the pressure regulating valve is a pneumatic assembly, the middle part of the pressure regulating valve is provided with a spring, the bottom of the spring is clamped with a valve core, the inner bottom of the pressure regulating valve is provided with a valve seat, the valve core is arranged corresponding to the valve seat, and the spring is sleeved on the upper part of the valve core.
In a preferred technical scheme of the utility model, the bottom limit of the valve core is clamped with a zirconia ceramic ball, and the top of the valve seat is provided with a groove matched with the zirconia ceramic ball.
In a preferred technical scheme of the utility model, a pneumatic block is arranged in the pneumatic assembly above the pressure regulating valve, and the pneumatic block is arranged corresponding to the spring.
In a preferred technical scheme of the utility model, the static seal parts in the pressure regulating valve, which are in contact with high-pressure water, are provided with O-shaped ring matched supporting rings.
In a preferred technical scheme of the utility model, the dynamic seal parts in the pressure regulating valve, which are contacted with the high-pressure water, are all provided with the Gellan rings.
In a preferred technical scheme of the utility model, the unloading assembly comprises a through pipe, the through pipe is communicated with a pressure relief opening at the bottom of the pressure regulating valve, and a pipe cover is sleeved at the end part of the through pipe.
In a preferred technical scheme of the utility model, the outer part of the other end of the through pipe is limited and rotationally connected with a connecting nut, an installation pipe is sleeved with an internal thread of the connecting nut, a threaded cylinder is arranged at the other end of the installation pipe in a threaded sealing manner, the threaded cylinder is in sealing connection with a bottom pressure relief opening of the pressure regulating valve, and the threaded cylinder is correspondingly arranged with the valve seat.
In a preferred embodiment of the present utility model, a gasket is provided between the screw cylinder and the bottom of the pressure regulating valve.
The pneumatic pressure regulating valve structure has the beneficial effects that when the pneumatic pressure regulating valve structure is used, when the high-pressure end needs to output high pressure, the air cylinder is ventilated to downwards apply pressure, the valve core moves downwards, the unloading port is closed, so that the aim that high-pressure water flows out of the high-pressure water outlet is fulfilled, when the high-pressure end needs to be closed, the downward pressure of air cylinder air interruption disappears, the valve core pushes the valve core upwards under the action of the high-pressure water, the valve core and the valve seat are separated, the unloading port is opened, liquid at the output end of the pressure regulating valve flows into the through pipe, at the moment, water cannot flow out of the pressure regulating valve in the high-pressure spray head, and the water is prevented from flowing out of the through pipe to the high-pressure spray head at the output end when the pneumatic pressure regulating valve is unloaded, so that the water is effectively prevented from flowing out when the high-pressure spray head is dismounted.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a pressure regulating mechanism and a water spraying unloading mechanism according to an embodiment of the present utility model;
FIG. 2 is a schematic side view of a structure according to an embodiment of the present utility model;
FIG. 3 is a schematic cross-sectional view of an embodiment of the present utility model;
FIG. 4 is an enlarged view of portion A of FIG. 3;
fig. 5 is a schematic cross-sectional structure of a pressure regulating mechanism according to an embodiment of the present utility model.
In the figure, 100-pressure regulating mechanism, 110-pressure regulating valve, 111-spring, 112-valve core, 113-valve seat, 114-zirconia ceramic ball, 115-pneumatic block, 200-water spraying unloading mechanism, 210-unloading component, 211-through pipe, 212-pipe cover, 213-connecting nut, 214-mounting pipe, 215-screw cylinder, 216-sealing gasket and 220-high-pressure spray head.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.
Referring to FIGS. 1 and 2, the present utility model provides a pneumatic pressure regulating valve structure, comprising
The device comprises a pressure regulating mechanism 100, wherein the pressure regulating mechanism 100 comprises a pressure regulating valve 110, a water spraying unloading mechanism 200, the water spraying unloading mechanism 200 comprises an unloading assembly 210 and a high-pressure spray head 220, an input port and an output port are respectively arranged on two sides of the pressure regulating valve 110, a pressure relief port is arranged at the bottom of the pressure regulating valve 110, the unloading assembly 210 is in threaded sealing installation at the bottom of the pressure regulating valve 110, the high-pressure spray head 220 is in sealing installation at the output port of the pressure regulating valve 110, and the pressure regulating valve 110 is used for unloading the pressure at the end part of the pressure regulating valve 110.
The pneumatic assembly is arranged above the pressure regulating valve 110, a spring 111 is arranged in the middle of the pressure regulating valve 110, a valve core 112 is clamped at the bottom of the spring 111, a valve seat 113 is arranged at the inner bottom of the pressure regulating valve 110, the valve core 112 is arranged corresponding to the valve seat 113, and the spring 111 is sleeved above the valve core 112. The bottom limit of the valve core 112 is clamped with a zirconia ceramic ball 114, and the top of the valve seat 113 is provided with a groove matched with the zirconia ceramic ball 114. A pneumatic block 115 is provided in the pneumatic assembly above the pressure regulating valve 110, and the pneumatic block 115 is provided corresponding to the spring 111. The static sealing parts in the pressure regulating valve 110, which are contacted with the high-pressure water, are respectively provided with an O-shaped ring matched supporting ring. The dynamic seal positions in the pressure regulating valve 110, which are contacted with high-pressure water, are all provided with gray rings, and in order to prolong the service life of the pneumatic pressure regulating valve, zirconia ceramic balls 114 are embedded on the valve core 112 parts, so that the zirconia ceramic balls 114 are contacted with the cutting edges of the valve seat 113, and the wear resistance of the seal positions of the valve core 112 is obviously improved. The zirconia ceramic ball 114 is tightly wrapped in the valve rod of the 2Cr13 by adopting a tooling pressing closing-in mode for connecting the zirconia ceramic ball 114 and the valve rod. The coaxiality between the ceramic ball and the valve rod can be ensured, and the ceramic ball is not pressed out by high-pressure water.
The unloading assembly 210 comprises a through pipe 211, the through pipe 211 is communicated with a pressure relief opening at the bottom of the pressure regulating valve 110, and the end part of the through pipe 211 is sleeved with a pipe cover 212. The outside spacing rotation of the other end of siphunculus 211 is connected with coupling nut 213, and coupling nut 213 female screw has cup jointed mounting tube 214, and the other end screw thread seal of mounting tube 214 is provided with a spiral shell section of thick bamboo 215, and spiral shell section of thick bamboo 215 and the bottom pressure release mouth sealing connection of air-vent valve 110, spiral shell section of thick bamboo 215 correspond with disk seat 113 and set up. A sealing gasket 216 is arranged between the screw barrel 215 and the bottom of the pressure regulating valve 110, and according to the characteristics of the high-pressure pump and the water jet pipeline system, the residual pressure of 4-6bar still exists in the high-pressure main pipeline when the pneumatic pressure regulating valve is unloaded, so that the residual pressure cannot be eliminated. Therefore, when the high pressure output end needs to be closed, the pneumatic pressure regulating valve also needs to prevent the water of 4-6bar from continuously flowing to the high pressure output end nozzle, the internal water is discharged into the through pipe 211 through the screw barrel 215, and in the main water channel pipeline, the valve core 112 is pressed tightly by the elastic force of the compression spring 111, so that the contact part of the valve core 112 and the valve seat 113 is sealed, and the water is prevented from flowing to the output end nozzle from the screw barrel 215 and the through pipe 211 when the pneumatic pressure regulating valve is unloaded.
When the high-pressure end needs to be closed, the downward pressure of air cut off of the cylinder disappears, the valve core 112 is pushed upwards under the action of the high-pressure water, the valve core 112 is separated from the valve seat 113, the unloading opening is opened, liquid at the output end of the pressure regulating valve 110 flows into the through pipe 211, and water cannot flow out of the pressure regulating valve 110 by disassembling the high-pressure nozzle 220.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, and various modifications and variations may be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (9)
1. The utility model provides a pneumatic air-vent valve structure which characterized in that includes
The pressure regulating mechanism comprises a pressure regulating valve;
The water spraying unloading mechanism comprises an unloading assembly and a high-pressure spray head, an input port and an output port are respectively arranged on two sides of the pressure regulating valve, a pressure relief opening is arranged at the bottom of the pressure regulating valve, the unloading assembly is in threaded sealing installation at the bottom of the pressure regulating valve, and the high-pressure spray head is in sealing installation at the output port of the pressure regulating valve.
2. The pneumatic pressure regulating valve structure according to claim 1, wherein the pneumatic assembly is arranged above the pressure regulating valve, a spring is arranged in the middle of the pressure regulating valve, a valve core is clamped at the bottom of the spring, a valve seat is arranged at the inner bottom of the pressure regulating valve, the valve core is arranged corresponding to the valve seat, and the spring is sleeved above the valve core.
3. The pneumatic pressure regulating valve structure according to claim 2, wherein the bottom limit of the valve core is clamped with a zirconia ceramic ball, and the top of the valve seat is provided with a groove matched with the zirconia ceramic ball.
4. A pneumatic pressure regulating valve structure as set forth in claim 3, wherein a pneumatic block is disposed in the pneumatic assembly above said pressure regulating valve, said pneumatic block being disposed in correspondence with said spring.
5. The pneumatic pressure regulating valve structure as set forth in claim 2, wherein O-ring matched support rings are provided at static seals contacting with high pressure water in the pressure regulating valve.
6. The pneumatic pressure regulating valve structure according to claim 2, wherein the dynamic seals contacting with high pressure water in the pressure regulating valve are provided with Grignard rings.
7. The pneumatic pressure regulating valve structure as set forth in claim 4, wherein said unloading assembly comprises a tube connected to a pressure relief port in the bottom of said pressure regulating valve, and a tube cap is sleeved on the end of said tube.
8. The pneumatic pressure regulating valve structure according to claim 7, wherein a connecting nut is connected to the outer portion of the other end of the through pipe in a limiting and rotating manner, an installation pipe is sleeved on the inner thread of the connecting nut, a screw cylinder is arranged at the other end of the installation pipe in a threaded sealing manner, the screw cylinder is connected with a bottom pressure relief opening of the pressure regulating valve in a sealing manner, and the screw cylinder is arranged corresponding to the valve seat.
9. The pneumatic pressure regulating valve structure as set forth in claim 8, wherein a gasket is provided between said screw cylinder and the bottom of said pressure regulating valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422378172.4U CN223294352U (en) | 2024-09-29 | 2024-09-29 | A pneumatic pressure regulating valve structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422378172.4U CN223294352U (en) | 2024-09-29 | 2024-09-29 | A pneumatic pressure regulating valve structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223294352U true CN223294352U (en) | 2025-09-02 |
Family
ID=96868436
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202422378172.4U Active CN223294352U (en) | 2024-09-29 | 2024-09-29 | A pneumatic pressure regulating valve structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223294352U (en) |
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2024
- 2024-09-29 CN CN202422378172.4U patent/CN223294352U/en active Active
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