阅读说明：本技术 一种流体集成控制的高压多路阀及其使用方法 (Fluid integrated control high-pressure multi-way valve and using method thereof ) 是由 钟荣德 钟添德 钟先德 于 2020-04-20 设计创作，主要内容包括：本发明公开一种流体集成控制的高压多路阀及其使用方法,该高压多路阀包括滑块、滑块连接头、活塞、压盖、活塞杆、缸体和缸盖,滑块的上端部与滑块连接头固定连接,滑块设置有用于流体的进口,滑块设置有用于流体的出口,滑块连接头中间端部设置有用于进气推动活塞远离滑块的进气通道,滑块连接头上端固定缸体,活塞与活塞杆的上端部固定连接,压盖与活塞杆的下端部固定连接,活塞的外侧壁与缸体的内侧壁滑动配合,缸体的上端部与缸盖固定连接,缸盖的上端部设置有用于进气推动活塞接近滑块连接头的进气通道。该高压多路阀依靠气压的作用力保持多路阀的开和关,此高压多路阀是一进多出集成控制,纯机械结构集合而成,故障率低,使用寿命长,检修集成一体,安装调试简单,节省成本。(The invention discloses a fluid integrated control high-pressure multi-way valve and a use method thereof, the high-pressure multi-way valve comprises a slide block, a slide block connector, a piston, a gland, a piston rod, a cylinder body and a cylinder cover, wherein the upper end part of the slide block is fixedly connected with the slide block connector, the slide block is provided with an inlet for fluid, the slide block is provided with an outlet for fluid, the middle end part of the slide block connector is provided with an air inlet channel for air inlet to push the piston to be far away from the slide block, the upper end part of the slide block connector is fixedly connected with the cylinder body, the piston is fixedly connected with the upper end part of the piston rod, the gland is fixedly connected with the lower end part of the piston rod, the outer side wall of the piston is in sliding fit with the inner side wall of the cylinder body, the upper end part of the cylinder body is fixedly connected with the cylinder cover, and the upper end part of the cylinder cover is provided with an air inlet channel for air inlet to push the piston to be close to the slide block connector. The high-pressure multi-way valve keeps the multi-way valve to be opened and closed by depending on the acting force of air pressure, is integrally controlled by one input and multiple outputs, is formed by the integration of pure mechanical structures, and has the advantages of low failure rate, long service life, integrated overhaul, simplicity in installation and debugging and cost saving.)

1. A fluid integrated control's high pressure multiple unit valve characterized in that: comprises a slide block, a slide block connector, a piston, a gland, a piston rod, a cylinder body and a cylinder cover, wherein the front end of the slide block is provided with an inlet, the rear end of the sliding block is provided with a pressure relief opening, the side end of the sliding block is provided with an outlet, the upper end of the sliding block is provided with a piston opening, the upper end of the sliding block is fixedly connected with a sliding block connector, the sliding block connector is rotatably sleeved at the lower end of the piston rod, the lower end of the piston rod is fixedly connected with the gland, the middle part of the slide block connector is provided with an air inlet channel for pushing the piston to be far away from the cylinder cover by air inlet, the upper end of the slide block connector is fixedly provided with a cylinder body, the upper end of the cylinder body is fixedly connected with a cylinder cover, the upper end of cylinder cap is provided with and is used for admitting air and promotes the inlet channel that the cylinder cap was kept away from to the piston, the piston rotationally overlaps establishes on the slider joint, the lateral wall of piston and the inside wall sliding fit of cylinder body.

2. The high pressure multiplex valve as defined in claim 1 wherein: the piston is three-level ladder cylindric, outside the lower extreme of piston stretched into the upper end of piston rod, the upper end inside wall sliding fit of piston lateral wall through first sealing washer and cylinder body, the middle part lateral wall inner wall of piston passes through the outer wall fixed fit of second sealing washer and piston rod.

3. The high pressure multiplex valve as defined in claim 1 wherein: the upper end lateral wall of cylinder body passes through the fixed cooperation of the lower extreme inside wall of third sealing washer and cylinder cap, the up end of cylinder cap sets up inlet channel, be provided with the concave step that is located first nut upper end in the lower terminal surface of cylinder cap.

4. The high pressure multiplex valve as defined in claim 1 wherein: the piston rod is cylindrical in shape with five steps, the outside of the first step at the upper end of the piston rod is fixedly matched with the inner side of the piston, the inner side of the lower end of the piston is provided with a concave step located on the second sealing ring, the second step of the piston rod is fixedly matched with the first nut, the third step is arranged in the middle of the piston rod, the third step of the piston rod is in sliding fit with the inner side wall of the sliding block connector, the lower end of the third step of the piston rod is provided with a fourth step, the fourth step is fixedly matched with the gland, the lower end of the fourth step is provided with a fifth step, and the outer side of the fifth step is fixedly matched with the second nut.

5. The high pressure multiplex valve as defined in claim 1 wherein: the upper end of the sliding block connector is a two-stage concave step.

6. The utility model discloses a cylinder cap, including slider connector, cylinder body, slider connector upper end outside and cylinder body fixed connection, the slider connector upper end outside is provided with the concave station rank that is located the fifth sealing washer, be provided with the concave station rank that is located the sixth sealing washer in the middle of the slider connector inboard, the slider connector lower extreme outside is provided with the concave station rank that is located the seventh sealing washer, set up the recess in the middle of the slider connector outside, slider connector outside intermediate part is provided with and is used for admitting air to promote the inlet channel that the piston is close to the cylinder cap.

7. The high pressure multiplex valve as defined in claim 1 wherein: the slider is the cuboid, the terminal surface sets up the import before the slider, the slider rear end face sets up the pressure release mouth, be provided with first passageway between slider import and the pressure release mouth, the slider right flank is provided with first exit channel, the setting of slider up end is the concave tube-shape of tertiary ladder circle, the concave tube-shape of first ladder circle and slider connector fixed coordination, the concave tube-shape of second ladder circle and gland sliding fit, the concave tube-shape of third ladder circle and second nut clearance fit, the concave tube-shape of second ladder circle and first passageway are perpendicular to intersect, the concave tube-shape of third ladder circle and first exit channel are perpendicular to intersect.

Technical Field

The invention relates to a fluid integrated control high-pressure multi-way valve and a use method thereof, in particular to a fluid integrated control high-pressure multi-way valve and a use method thereof.

Background

The existing multi-way valves are all low-voltage type, rely on direct current to generate pressure to push a piston to open a water path, and rely on a spring to push a closed fluid channel and reset. On the occasions of high-pressure gas and liquid, the low-pressure type multi-way valve can cause the situation that a fluid channel cannot be completely closed, fluid overflow occurs at the moment, energy is very wasted, parts of the whole fluid system are frequently replaced, and the service cycle is short.

Disclosure of Invention

In view of the defects of the prior art, the invention aims to provide the air pressure integrated control high-pressure multi-way valve which is novel in design, simple in structure and energy-saving, and the using method thereof.

In order to solve the technical problems, the invention adopts the following technical scheme: a high-pressure multi-way valve controlled by fluid integration comprises a slider, a slider connector, a piston, a gland, a piston rod, a cylinder body and a cylinder cover, wherein an inlet is formed in the front end of the slider, a pressure relief opening is formed in the rear end of the slider, an outlet is formed in the side end of the slider, a piston opening is formed in the upper end of the slider, the upper end of the slider is fixedly connected with the slider connector, the slider connector is rotatably sleeved at the lower end of the piston rod, the lower end of the piston rod is fixedly connected with the gland, an air inlet channel for pushing the piston to be away from the cylinder cover is formed in the middle of the slider connector, the cylinder body is fixedly installed at the upper end of the slider connector, the upper end of the cylinder body is fixedly connected with the cylinder cover, an air inlet channel for pushing the piston to be away from the cylinder cover is formed in the upper end of the cylinder cover, the piston is rotatably sleeved on the slider connector, the outer side wall of the piston is in sliding fit with the inner side wall of the cylinder body.

Preferably, the piston is three-level stepped cylindrical, the lower end of the piston extends into the upper end of the piston rod, the outer side wall of the piston is in sliding fit with the inner side wall of the upper end of the cylinder body through a first sealing ring, and the inner wall of the outer side wall of the middle part of the piston is in fixed fit with the outer wall of the piston rod through a second sealing ring.

Preferably, the outer side wall of the upper end part of the cylinder body is fixedly matched with the inner side wall of the lower end of the cylinder cover through a third sealing ring, an air inlet channel is arranged on the upper end face of the cylinder cover, and a concave step located at the upper end of the first nut is arranged in the lower end face of the cylinder cover.

Preferably, the piston rod is cylindrical with five steps, the outside of the first step of upper end of the piston rod is fixedly matched with the inner side of the piston, the inner side of the lower end of the piston is provided with a concave step located on the second sealing ring, the second step of the piston rod is fixedly matched with the first nut, the third step is arranged in the middle of the piston rod, the third step of the piston rod is in sliding fit with the inner side wall of the sliding block connector, the lower end of the third step of the piston rod is provided with a fourth step, the fourth step is fixedly matched with the gland, the lower end of the fourth step is provided with a fifth step, and the outer side of the fifth step is fixedly matched with the second nut.

Preferably, the upper end of the slider connector is a two-stage concave step. The utility model discloses a cylinder cap, including slider connector, cylinder body, slider connector upper end outside and cylinder body fixed connection, the slider connector upper end outside is provided with the concave station rank that is located the fifth sealing washer, be provided with the concave station rank that is located the sixth sealing washer in the middle of the slider connector inboard, the slider connector lower extreme outside is provided with the concave station rank that is located the seventh sealing washer, set up the recess in the middle of the slider connector outside, slider connector outside intermediate part is provided with and is used for admitting air to promote the inlet channel that the piston is close to the cylinder cap.

Preferably, the slider is the cuboid, the terminal surface sets up the import before the slider, the slider rear end face sets up the pressure release mouth, be provided with first passageway between slider import and the pressure release mouth, the slider right flank is provided with first exit channel, the setting of slider up end is the concave tube-shape of tertiary ladder circle, the concave tube-shape of first ladder circle and slider connector fixed coordination, the concave tube-shape of second ladder circle and gland sliding fit, the concave tube-shape of third ladder circle and second nut clearance fit, the concave tube-shape of second ladder circle and first passageway intersect perpendicularly, the concave tube-shape of third ladder circle and first exit channel intersect perpendicularly.

In order to solve the technical problems, the second technical scheme adopted by the invention is as follows: the high-pressure multi-way valve is mounted on a fluid system of a vehicle, and the output of the whole fluid system of the vehicle is controlled through the high-pressure multi-way valve.

Compared with the prior art, the invention has the following beneficial effects: the high-pressure multi-way valve is novel in design and simple in structure, controls in a fluid system are all integrated on the sliding block, the installation is simple, the maintenance is easy, compressed air is introduced to keep a joint state and a separation state, the high-pressure multi-way valve is high-pressure resistant, and the fluid energy is saved.

Drawings

FIG. 1 is a cross-sectional view of an embodiment of the present invention.

Fig. 2 is a right side view of an embodiment of the present invention.

Reference numerals: 1. an inlet; 2. a pressure relief port; 3. an outlet; 4. a first air inlet; 5. a second air inlet; 6. a slider; 7. A cylinder body; 8. a piston; 9. a piston rod; 10. a slider connector; 11. a gland; 12. a first nut; 13. a cylinder cover; 14. a third seal ring; 15. a first seal ring; 16. a second seal ring; 17. a fourth seal ring; 18. a fifth seal ring; 19. a sixth seal ring; 20. a seventh seal ring; 21. an eighth seal ring; 22. a baffle plate; 23. a second spring pad; 24. a second nut; 25. a piston port; 26. a fixing hole; 27. a ninth seal ring; 28. a first spring washer; 29. a second channel.

Detailed Description

In order to make the aforementioned and other features and advantages of the invention more comprehensible, embodiments accompanied with figures are described in detail below.

As shown in fig. 1-2, a fluid integrated control high-pressure multi-way valve comprises a slider 6, a slider connector 10, a piston 8, a gland 11, a piston rod 9, a cylinder body 7 and a cylinder cover 13, wherein the front end of the slider 6 is provided with an inlet 1, the rear end of the slider 6 is provided with a pressure relief port 2, the side end of the slider 6 is provided with an outlet 3, the upper end of the slider 6 is provided with a piston port 25, the upper end of the slider 6 is fixedly connected with the slider connector 10, the slider connector 10 is rotatably sleeved at the lower end of the piston rod 9, the lower end of the piston rod 9 is fixedly connected with the gland 11, the middle part of the slider connector 10 is provided with an air inlet channel 4 for pushing the piston to keep away from the cylinder cover, the upper end of the slider connector 10 is fixedly provided with the cylinder body 7, the upper end of the cylinder body 7 is fixedly connected with the cylinder cover 13, the upper end of the cylinder cover 13 is provided with an air inlet channel 5 for pushing the piston to keep away from the cylinder cover, piston 8 rotationally overlaps and establishes on slider connector 10, the lateral wall of piston 8 and the inside wall sliding fit of cylinder body 7.

In this embodiment, the piston 8 is three-level stepped cylindrical, the lower end of the piston 8 extends into the upper end of the piston rod 9, the outer side wall of the piston 8 is in sliding fit with the inner side wall of the upper end of the cylinder 7 through the first sealing ring 15, and the inner wall of the outer side wall of the middle part of the piston 8 is in fixed fit with the outer wall of the piston rod 9 through the second sealing ring 16.

In this embodiment, in order to prevent gas leakage, the outer side wall of the upper end of the cylinder 7 is fixedly fitted with the inner side wall of the lower end of the cylinder cover 13 through a third gasket 14, the upper end surface of the cylinder cover 13 is provided with the intake passage 5, and the lower end surface of the cylinder cover 13 is provided with a concave step located at the upper end of the first nut 12.

In this embodiment, in order to facilitate assembly and achieve a sealing effect, the piston rod 9 is in a five-step cylindrical shape, the outer side of the first step at the upper end of the piston rod 9 is fixedly matched with the inner side of the piston 8, the inner side of the lower end of the piston is provided with a concave step located on the second sealing ring 16, the second step of the piston rod 9 is fixedly matched with the first nut 12, the third step is arranged at the middle part of the piston rod 9, the third step of the piston rod 9 is in sliding fit with the inner side wall of the slider connector 10, the lower end of the third step of the piston rod 9 is provided with a fourth step, the fourth step is fixedly matched with the gland 11, the lower end of the fourth step is provided with a fifth step, and the outer side of the fifth step is fixedly matched with the second nut 24.

In this embodiment, in order to reduce friction and improve the life, the upper end of the slider connector 10 is formed with a two-step concave step. The utility model discloses a piston cylinder, including slider connector 10, cylinder body 7, slider connector 10 upper end outside and cylinder body 7 fixed connection, the slider connector 10 upper end outside is provided with the concave step that is located fourth sealing washer 17, be provided with the concave step that is located eighth sealing washer 21 in the middle of the slider connector 10 inboard, the slider connector 10 lower extreme outside is provided with the concave step that is located fifth sealing washer 18, set up the recess in the middle of the slider connector 10 outside, slider connector 10 outside intermediate part is provided with and is used for admitting air and promotes piston 8 and be close the inlet channel 5 of cylinder cap 13.

In this embodiment, in order to reduce volume, easy to assemble and debug, slider 6 is the cuboid, the terminal surface sets up import 1 before slider 6, 6 rear end faces of slider set up pressure release mouth 2, be provided with second passageway 29 between slider import 1 and the pressure release mouth 2, the slider right flank is provided with first exit channel 3, 6 up end settings of slider are the concave tube-shape of tertiary ladder circle, the concave tube-shape of first ladder circle and slider connector 10 fixed coordination, the concave tube-shape of second ladder circle and gland 11 sliding fit, the concave tube-shape of third ladder circle and 24 clearance fit of second nut, the concave tube-shape of second ladder circle and the perpendicular intersection of first passageway, the concave tube-shape of third ladder circle and the perpendicular intersection of first exit channel 3.

The working principle of the embodiment is as follows: under normal conditions, the second air inlet 5 keeps air pressure, the first air inlet 4 has no air pressure, the piston 8 is pushed, the piston rod 9 is pushed downwards, the gland 11 is tightly contacted with the slide block 6, the outlet channel 3 is closed through air pressure and secondary pressure of fluid, and fluid closing is realized; when the second air inlet 5 is not pressurized, the first air inlet 4 keeps pressurized, the piston 8 is pushed to push the piston rod 9 to the cylinder cover, the gland 11 is in contact with the slider connector 10, the outlet channel 3 is opened through the pneumatic pressure and the fluid secondary pressure, and the fluid is opened.

It should be noted that the terms "left", "right", "upper", "lower", and the like are used for convenience only to describe the relative positions of the components, and the positions of the components can be changed correspondingly by those skilled in the art, so that the invention is not limited thereto.

It should be understood, however, that the description herein of specific embodiments is not intended to limit the invention to the particular forms disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims.