CN218325540U - Direct-acting double-control valve - Google Patents
Direct-acting double-control valve Download PDFInfo
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- CN218325540U CN218325540U CN202222066379.9U CN202222066379U CN218325540U CN 218325540 U CN218325540 U CN 218325540U CN 202222066379 U CN202222066379 U CN 202222066379U CN 218325540 U CN218325540 U CN 218325540U
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Abstract
The utility model relates to a pneumatic component field, concretely relates to two accuse valves of direct action type, including first valve gap, valve body and second valve gap, be provided with solenoid electric assembly on the first valve gap, solenoid electric assembly includes solenoid, quiet iron core, buffer spring, moves iron core and first sealed piece, be provided with air cavity and first air flue in the second valve gap, be provided with the gas accuse subassembly in the air cavity, the gas accuse subassembly includes briquetting, slider, second sealed piece, first clamp plate, second clamp plate and reset spring, the utility model discloses a be provided with solenoid electric assembly on the first valve gap, solenoid electric function has control mode simply, switches characteristics such as quick, is provided with the gas accuse subassembly in the air cavity, and the flow of second export is adjusted to the gaseous pressure of control in the first air flue of accessible control, and the gas in the second air flue can be used for assisting the solenoid electric part, avoids the solenoid electric part to take place to damage because of overload work, prolongs the live time of valve.
Description
Technical Field
The utility model relates to a pneumatic element field, concretely relates to direct action type double control valve.
Background
In a pneumatic system, to realize the control of a two-position three-way valve, a two-position three-way solenoid valve is mostly adopted at present, and is a pneumatic element product with an extremely wide application range, and mainly comprises a valve body, a valve cover, an electromagnetic pilot valve, a piston and the like.
SUMMERY OF THE UTILITY MODEL
To the current situation of above-mentioned prior art, the utility model aims to solve the technical problem that a control sensitivity is high, the flow is adjustable, operational reliability is high and long service life's two accuse valves of direct action type is provided.
The utility model provides a technical scheme that above-mentioned technical problem adopted does: a direct-acting double control valve comprises a first valve cover, a valve body and a second valve cover, wherein the second valve cover is fixedly connected with the valve body, the valve body is fixedly connected with the first valve cover, an inlet, a first valve port, a second valve port, a third valve port, a fourth valve port, a first outlet, a fifth valve port, a sixth valve port, a seventh valve port and a second outlet are arranged in the valve body, the left end of the first valve port is communicated with the inlet, the upper end of the first valve port is communicated with the second valve port, the second valve port is positioned above the third valve port, the third valve port is communicated with the fourth valve port, the fourth valve port is communicated with the first outlet, the lower end of the first valve port is communicated with the fifth valve port, the fifth valve port is communicated with the sixth valve port, the sixth valve port is communicated with the seventh valve port, the seventh valve port is communicated with the second outlet, and an electromagnetic control component is arranged on the first valve cover, the electromagnetic control assembly is in sliding connection with the first valve cover and comprises an electromagnetic coil, a static iron core, a buffer spring, a movable iron core and a first sealing block, the first sealing block is fixedly connected with the movable iron core, the movable iron core is positioned below the buffer spring, the buffer spring is positioned below the static iron core, the static iron core is sleeved in the electromagnetic coil, an air cavity and a first air channel are arranged in the second valve cover, the first air channel is communicated with the air cavity, a pneumatic control assembly is arranged in the air cavity and sleeved in the air cavity, the pneumatic control assembly comprises a pressing block, a sliding block, a second sealing block, a first pressing plate, a second pressing plate and a return spring, one end of the return spring is fixedly connected with the second pressing plate, the other end of the return spring is fixedly connected with the first pressing plate, and the first pressing plate is positioned below the second sealing block, the second sealing block is sleeved on the sliding block, and the sliding block is located below the pressing block.
Preferably, still be provided with the joint on the quiet iron core, the joint with quiet iron core fixed connection.
Preferably, an air inlet is formed in the joint, a second air passage is further formed in the static iron core, and the second air passage is communicated with the air inlet.
Preferably, a first sealing ring and a second sealing ring are arranged on the movable iron core, the second sealing ring is located below the first sealing ring, and the first sealing ring and the second sealing ring are both sleeved on the movable iron core.
Preferably, the first sealing block and the second sealing block are both rubber sealing blocks.
Preferably, a third sealing ring is arranged on the second pressure plate, and the third sealing ring is sleeved on the second pressure plate.
Compared with the prior art, the utility model has the advantages of: the utility model discloses a be provided with solenoid electric assembly on the first valve gap, solenoid electric assembly with first valve gap sliding connection, solenoid electric assembly includes solenoid, quiet iron core, buffer spring, moves iron core and first sealed piece, and solenoid electric assembly makes the valve body have solenoid electric function to the open size of first sealed piece and third valve port is controlled to the pressure of control gas in accessible solenoid electric assembly and the second air flue to this flow of adjusting first export, its advantage is that flow is adjustable, and is provided with air cavity and first air flue in the second valve gap, first air flue is linked together with the air cavity, be provided with the gas accuse subassembly in the air cavity, the gas accuse subassembly cup joints in the air cavity, the gas accuse subassembly includes briquetting, slider, the sealed piece of second, first clamp plate, second clamp plate and reset spring, and the gas accuse subassembly makes the valve body have pneumatic control function. When a medium is required to flow out from the first outlet, control gas is introduced into the first air channel, so that the second sealing block in the pneumatic control assembly is pressed to the sixth valve port to block the sixth valve port, the electromagnetic control assembly is simultaneously started, the movable iron core moves upwards and drives the first sealing block to move upwards, the second valve port is communicated with the third valve port, and the medium finally flows out from the first outlet after sequentially passing through the inlet, the first valve port, the second valve port, the third valve port, the fourth valve port and the first outlet; when a needed medium flows out from the second outlet, the movable iron core in the electromagnetic control assembly is controlled to move downwards, so that the first sealing block is pressed to the third valve port, the medium flows in from the inlet, sequentially passes through the first valve port, the fifth valve port, the sixth valve port, the seventh valve port and the second outlet and finally flows out from the second outlet, when the flow of the second outlet needs to be adjusted, control gas can be introduced into the first gas channel, the opening sizes of the second sealing block and the sixth valve port can be adjusted by controlling the pressure of the control gas in the first gas channel, so that the flow flowing out of the second outlet is adjusted, the connector is provided with a gas inlet, the fixed iron core is further provided with a second gas channel, the control gas is introduced into the second gas channel, and when the electromagnetic control part fails, the gas in the second gas channel can push the movable iron core to move downwards to seal the third valve port, so that the working reliability of the valve is improved, and the working reliability is high; when the pressure of the system medium is suddenly increased, the gas in the second gas channel can be used for assisting the electromagnetic control part, the electromagnetic control part is prevented from being damaged due to overload work, the service life of the valve is prolonged, and the valve has the advantage of long service life.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Wherein: 1-a first valve cover; 2-a valve body; 3-a second valve cover; 4-electromagnetic control assembly; an air cavity 5; a first gas duct 6; an air control assembly 7; 2-1-inlet; 2-2-first valve port; 2-3-second valve port; 2-4-third valve port; 2-5-fourth valve port; 2-6-a first outlet; 2-7-fifth valve port; 2-8-sixth valve port; 2-9-seventh port; 2-10-a second outlet; 4-1-electromagnetic coil; 4-2-stationary core; 4-3-a buffer spring; 4-4-a movable iron core; 4-5-a first seal block; 4-6-linker; 4-7-air inlet; 4-8-second airway; 4-9-a first seal ring; 4-10-a second seal ring; 7-1-briquetting; 7-2-slide block; 7-3-a second seal block; 7-4-a first platen; 7-5-a second platen; 7-6-a return spring; 7-7-third sealing ring.
Detailed Description
The following detailed description of the embodiments of the present invention is made with reference to the accompanying drawings, so that the technical solution of the present invention can be more easily understood and grasped.
As shown in figure 1, a direct-acting double control valve comprises a first valve cover 1, a valve body 2 and a second valve cover 3, wherein the second valve cover 3 is fixedly connected with the valve body 2, the valve body 2 is fixedly connected with the first valve cover 1, an inlet 2-1, a first valve port 2-2, a second valve port 2-3, a third valve port 2-4, a fourth valve port 2-5, a first outlet 2-6, a fifth valve port 2-7, a sixth valve port 2-8, a seventh valve port 2-9 and a second outlet 2-10 are arranged in the valve body, the left end of the first valve port 2-2 is communicated with the inlet 2-1, the upper end of the first valve port 2-2 is communicated with the second valve port 2-3, the second valve port 2-3 is positioned above the third valve port 2-4, the third valve port 2-4 is communicated with the fourth valve port 2-5, the fourth valve port 2-5 is communicated with the first outlet 2-6, the lower end of the first valve port 2-2 is communicated with the fifth valve port 2-7, the fifth valve port 2-7 is communicated with the sixth valve port 2-8, the sixth valve port 2-8 is communicated with the seventh valve port 2-9, the seventh valve port 2-9 is communicated with the second outlet 2-10, the first valve cover 1 is provided with an electromagnetic control assembly 4, the electromagnetic control assembly 4 is connected with the first valve cover 1 in a sliding manner, the electromagnetic control assembly 4 comprises an electromagnetic coil 4-1, a static iron core 4-2, a buffer spring 4-3, a movable iron core 4-4 and a first sealing block 4-5, and the first sealing block 4-5 is fixedly connected with the movable iron core 4-4, the movable iron core 4-4 is positioned below the buffer spring 4-3, the buffer spring 4-3 is positioned below the static iron core 4-2, the static iron core 4-2 is sleeved in the electromagnetic coil 4-1, the second valve cover 3 is internally provided with an air cavity 5 and a first air channel 6, the first air channel 6 is communicated with the air cavity 5, the air cavity 5 is internally provided with an air control assembly 7, the air control assembly 7 is sleeved in the air cavity 5, the air control assembly 7 comprises a pressing block 7-1, a sliding block 7-2, a second sealing block 7-3, a first pressing plate 7-4, a second pressing plate 7-5 and a return spring 7-6, one end of the return spring 7-6 is fixedly connected with the second pressing plate 7-5, and the other end of the return spring 7-6 is fixedly connected with the first pressing plate 7-4, the first pressure plate 7-4 is positioned below the second sealing block 7-3, the second sealing block 7-3 is sleeved on the sliding block 7-2, the sliding block 7-2 is positioned below the pressing block 7-1, the static iron core 4-2 is also provided with a joint 4-6, the joint 4-6 is fixedly connected with the static iron core 4-2, the joint 4-6 is provided with an air inlet 4-7, the static iron core 4-2 is also provided with a second air passage 4-8, the second air passage 4-8 is communicated with the air inlet 4-7, the movable iron core 4-4 is provided with a first sealing ring 4-9 and a second sealing ring 4-10, and the second sealing ring 4-10 is positioned below the first sealing ring 4-9, the first sealing ring 4-9 and the second sealing ring 4-10 are both sleeved on the movable iron core 4-4, the first sealing block 4-5 and the second sealing block 7-3 are both rubber sealing blocks, a third sealing ring 7-7 is arranged on the second pressing plate 7-5, and the third sealing ring 7-7 is sleeved on the second pressing plate 7-5.
The working process of the direct-acting double control valve is as follows: firstly, a direct-acting double-control valve is connected into a system, when a required medium flows out from a first outlet, an electromagnetic control assembly is controlled, a movable iron core moves upwards, the movable iron core drives a first sealing block to move upwards, a second valve port is communicated with a third valve port, the medium flows in from an inlet, sequentially passes through the first valve port, the second valve port, the third valve port, a fourth valve port and the first outlet, and finally flows out from the first outlet; when the medium pressure of the system is increased, control gas is introduced into the first air channel, the control gas pushes the second pressing plate to move upwards, the second pressing plate pushes the first pressing plate through the reset spring, and the first pressing plate pushes the second sealing block to move upwards, so that the second sealing block is tightly pressed on the sixth valve port, and the medium is ensured to flow out of the first outlet. When a medium is required to flow out of the second outlet, the electromagnetic control assembly is controlled, the movable iron core moves downwards, the movable iron core drives the first sealing block to block the third valve port downwards, meanwhile, the pressure of the medium presses the pressing block downwards, the pressing block moves downwards to enable the first valve port to be communicated with the fifth valve port, the fifth valve port is communicated with the sixth valve port, the medium flows in from the inlet, sequentially passes through the first valve port, the fifth valve port, the sixth valve port, the seventh valve port and the second outlet, and finally flows out of the second outlet; when the medium pressure in the system rises, control gas is introduced from the gas inlet, enters the space between the static iron core and the movable iron core through the second gas passage, and presses the movable iron core downwards to assist the electromagnetic control assembly and avoid the upward movement of the movable iron core due to overlarge system pressure. When the flow of flowing out first export needs to be adjusted, the distance that the iron core upwards moved is controlled to the accessible in adjusting electromagnetic control assembly and the second air flue control gas's pressure, when the flow of second export needs to be adjusted, the pressure of control gas in the second air flue can be adjusted.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that various changes in the embodiments and modifications thereof may be made, and equivalents may be substituted for elements thereof; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (6)
1. A direct-acting double control valve comprises a first valve cover (1), a valve body (2) and a second valve cover (3), wherein the second valve cover (3) is fixedly connected with the valve body (2), the valve body (2) is fixedly connected with the first valve cover (1), an inlet (2-1), a first valve port (2-2), a second valve port (2-3), a third valve port (2-4), a fourth valve port (2-5), a first outlet (2-6), a fifth valve port (2-7), a sixth valve port (2-8), a seventh valve port (2-9) and a second outlet (2-10) are arranged in the valve body, the left end of the first valve port (2-2) is communicated with the inlet (2-1), the upper end of the first valve port (2-2) is communicated with the second valve port (2-3), the second valve port (2-3) is positioned above the third valve port (2-4), the third valve port (2-4) is communicated with the fourth valve port (2-5), the fourth valve port (2-5) is communicated with the fifth valve port (2-7), the fifth valve port (2-7) is communicated with the fifth valve port (2-7), the pneumatic control valve is characterized in that the first valve cover (1) is provided with an electromagnetic control assembly (4), the electromagnetic control assembly (4) is in sliding connection with the first valve cover (1), the electromagnetic control assembly (4) comprises an electromagnetic coil (4-1), a static iron core (4-2), a buffer spring (4-3), a movable iron core (4-4) and a first sealing block (4-5), the first sealing block (4-5) is fixedly connected with the movable iron core (4-4), the movable iron core (4-4) is positioned below the buffer spring (4-3), the buffer spring (4-3) is positioned below the static iron core (4-2), the static iron core (4-2) is sleeved in the electromagnetic coil (4-1), an air cavity (5) and a first air channel (6) are arranged in the second valve cover (3), the first air channel (6) is communicated with the air cavity (5), the air cavity (7) is arranged in the pneumatic control assembly (7-7), the pneumatic control assembly (7) comprises a pneumatic control block (7-7), and the air cavity assembly (7) and the pneumatic control assembly (7) is arranged in the second valve cover (7) and is communicated with the air cavity (5) and is arranged in the second valve cover (4-3) and is arranged below the pneumatic control assembly (4-3) and is arranged below the movable iron core (4-3) and is arranged below the buffer spring (4-3) and is arranged below the pneumatic control valve (4-3) and is arranged in the pneumatic control valve cover (4-3) and is arranged in the pneumatic control valve cover (4) and is arranged in the pneumatic control valve cover (7), the device comprises a sliding block (7-2), a second sealing block (7-3), a first pressing plate (7-4), a second pressing plate (7-5) and a return spring (7-6), wherein one end of the return spring (7-6) is fixedly connected with the second pressing plate (7-5), the other end of the return spring (7-6) is fixedly connected with the first pressing plate (7-4), the first pressing plate (7-4) is located below the second sealing block (7-3), the second sealing block (7-3) is sleeved on the sliding block (7-2), and the sliding block (7-2) is located below the pressing block (7-1).
2. The direct-acting double control valve according to claim 1, wherein the static iron core (4-2) is further provided with a joint (4-6), and the joint (4-6) is fixedly connected with the static iron core (4-2).
3. The direct-acting double control valve according to claim 2, wherein the joint (4-6) is provided with an air inlet (4-7), the stationary core (4-2) is further provided with a second air passage (4-8), and the second air passage (4-8) is communicated with the air inlet (4-7).
4. The direct-acting double control valve according to claim 1, wherein the movable iron core (4-4) is provided with a first sealing ring (4-9) and a second sealing ring (4-10), the second sealing ring (4-10) is located below the first sealing ring (4-9), and the first sealing ring (4-9) and the second sealing ring (4-10) are both sleeved on the movable iron core (4-4).
5. A direct-acting double control valve according to claim 4, wherein the first sealing block (4-5) and the second sealing block (7-3) are both rubber sealing blocks.
6. The direct-acting double control valve according to claim 1, wherein a third sealing ring (7-7) is arranged on the second pressure plate (7-5), and the third sealing ring (7-7) is sleeved on the second pressure plate (7-5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222066379.9U CN218325540U (en) | 2022-08-05 | 2022-08-05 | Direct-acting double-control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222066379.9U CN218325540U (en) | 2022-08-05 | 2022-08-05 | Direct-acting double-control valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218325540U true CN218325540U (en) | 2023-01-17 |
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ID=84873707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222066379.9U Active CN218325540U (en) | 2022-08-05 | 2022-08-05 | Direct-acting double-control valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218325540U (en) |
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2022
- 2022-08-05 CN CN202222066379.9U patent/CN218325540U/en active Active
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