CN216789333U - Electric control one-way valve - Google Patents
Electric control one-way valve Download PDFInfo
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- CN216789333U CN216789333U CN202220368532.0U CN202220368532U CN216789333U CN 216789333 U CN216789333 U CN 216789333U CN 202220368532 U CN202220368532 U CN 202220368532U CN 216789333 U CN216789333 U CN 216789333U
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Abstract
The utility model discloses an electric control one-way valve, which comprises a one-way valve and an electromagnetic ball valve; the one-way valve comprises a valve body, and the top of the valve body is provided with a valve cover; a flow channel is formed in the valve body and the valve cover, wherein an oil inlet is formed in the bottom of the valve body, an oil outlet is formed in the side part of the valve body, and an oil inlet cavity, an oil outlet cavity and an upper cavity are formed in the valve body; a valve seat is arranged on the oil inlet cavity, a valve core communicated with the upper cavity is arranged at the communication part of the oil inlet cavity and the oil outlet cavity, and the sealing surface of the lower end of the valve core, which is contacted with the valve seat, is a spherical surface; the side part of the valve cover is provided with a leakage oil port; the electromagnetic ball valve is an electromagnetic ball valve in a plate connection mode and is arranged on the outer surface of the valve cover, and an electromagnetic ball valve P port communicated with the oil inlet, an electromagnetic ball valve T port communicated with the oil leakage port and an electromagnetic ball valve A port communicated with the upper cavity are formed in the electromagnetic ball valve. The utility model not only has small volume and light weight, but also can realize the rapid unidirectional supply of high-pressure oil; meanwhile, the valve has sealing performance, and high pressure and zero leakage can be achieved.
Description
Technical Field
The utility model relates to the technical field of one-way valves, in particular to an electric control one-way valve.
Background
In engineering machinery and special vehicles, in order to increase the load capacity, the pressure and the flow of a hydraulic system are correspondingly increased, so that the through of a hydraulic element is correspondingly increased. In a working state, a hydraulic oil source needs to supply oil to a hydraulic actuating element in a one-way large flow rate, the hydraulic actuating element needs to be kept at a set position when not working, and a hydraulic control one-way valve is often used for locking the actuating element in a hydraulic loop to realize the function.
With the continuous development of society, the energy-saving and environment-friendly concept is the first choice of design in various fields, and in the fields of self-propelled engineering machinery, construction machinery, special vehicles and the like, weight reduction is an important link for energy saving and environment protection. Therefore, the technical staff needs to solve the problem in the present stage by providing a control valve which can realize fast one-way high-pressure oil supply, has a small volume, a light weight and a high sealing property under the condition of a large flow rate of a hydraulic system.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is to provide the electric control one-way valve, which can realize quick one-way supply of high-pressure oil under the condition of high flow rate of a hydraulic system, has small volume, light weight and high sealing property, and can realize high pressure and zero leakage.
In order to solve the technical problems, the technical scheme adopted by the utility model is as follows.
The electric control one-way valve comprises a one-way valve and an electromagnetic ball valve; the check valve comprises a valve body, and a valve cover is arranged at the top of the valve body; the valve body and the valve cover are internally provided with a flow channel, wherein the bottom of the valve body is provided with an oil inlet, the side part of the valve body is provided with an oil outlet, and the valve body is internally provided with an oil inlet cavity communicated with the oil inlet, an oil outlet cavity communicated with the oil outlet and an upper cavity positioned above the oil inlet cavity; a valve seat made of polyimide is arranged on the oil inlet cavity, a valve core communicated with the upper cavity is arranged at the communication part of the oil inlet cavity and the oil outlet cavity through the valve seat, and the sealing surface of the lower end of the valve core, which is contacted with the valve seat, is a spherical surface;
a leakage oil port is formed in the side part of the valve cover;
the flow passages comprise a first flow passage, a second flow passage and a third flow passage;
the electromagnetic ball valve is in a plate connection mode and is arranged on the outer surface of the valve cover, an electromagnetic ball valve port P, an electromagnetic ball valve port T and an electromagnetic ball valve port A positioned between the electromagnetic ball valve port P and the electromagnetic ball valve port T are formed in the electromagnetic ball valve, and steel balls are arranged at the communication positions of the electromagnetic ball valve port A, the electromagnetic ball valve port P and the electromagnetic ball valve port T; the electromagnetic ball valve P port is connected with the first flow passage and communicated with the oil inlet, the electromagnetic ball valve T port is connected with the second flow passage and communicated with the leakage oil port, and the electromagnetic ball valve A port is connected with the third flow passage and communicated with the upper cavity.
Preferably, the electromagnetic ball valve is a U-shaped functional valve.
Preferably, the electromagnetic ball valve is a C-shaped functional valve.
Preferably, a valve sleeve for installing the valve core is arranged in the valve body.
Preferably, a counter bore communicated with the upper cavity is formed in the valve core, and a spring which is located between the valve core and the valve cover and used for driving the valve core to reset is arranged in the counter bore.
Preferably, a damping is arranged at the communication position of the third flow channel and the upper cavity, and a damping hole is formed in the damping.
Due to the adoption of the technical scheme, the technical progress of the utility model is as follows.
Compared with a hydraulic control one-way valve, the electromagnetic ball valve is small in size and light in weight, occupied space is reduced, and high-pressure oil can be rapidly and unidirectionally provided; meanwhile, the one-way valve adopts a flexible sealing design, and the valve seat adopts polyimide engineering plastic, so that the sealing performance of the one-way valve is improved, and high pressure and zero leakage can be achieved; by adopting electric control, intelligent control can be realized.
Drawings
FIG. 1 is a schematic view of the present invention.
Wherein: 1. the electromagnetic ball valve comprises a valve body, a valve seat, a valve sleeve, a valve core, a spring, a valve cover, a damper, an electromagnetic ball valve, a leakage port connector, a connector flange, an oil inlet, an oil outlet, a leakage oil port, an electromagnetic ball valve port A, an electromagnetic ball valve port P, an electromagnetic ball valve port T and a valve cover, wherein the valve body, the valve seat, the valve sleeve, the valve core, the spring, the valve cover and the valve cover are all arranged on the valve body, the valve cover, the damper, the electromagnetic ball valve, the leakage port connector, the leakage oil port connector, the connector flange, the electromagnetic ball valve, the oil inlet, the oil outlet, the leakage oil port, the electromagnetic ball valve port A, the electromagnetic ball valve port, the leakage oil port, the electromagnetic ball valve port A, the electromagnetic ball valve port P, the electromagnetic ball valve port, the leakage oil port and the leakage oil port, the leakage oil port and the leakage oil port, the.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
An electronic control one-way valve is shown in a combined figure 1 and comprises a one-way valve and an electromagnetic ball valve 8, wherein the one-way valve comprises a valve body 1, a valve cover 6 is arranged at the top of the valve body 1, and a flow channel is formed inside the valve body 1 and the valve cover 6; the electromagnetic ball valve 8 is fixed on the outer surface of the valve cover 6 by screws.
An oil inlet 11 is formed in the bottom of the valve body 1, and the oil inlet 11 is used for receiving an oil source; an oil outlet 12 is formed in the side of the valve body 1, and the oil outlet 12 is used for being connected with an execution element oil port. The oil inlet 11 and the oil outlet 12 are connected in a flange mode through the arranged interface flange 10. An oil inlet cavity, an oil outlet cavity and an upper cavity are formed in the valve body 1, wherein the oil inlet cavity is communicated with the oil inlet 11; the oil outlet cavity is communicated with the oil outlet 12; the upper cavity is positioned right above the oil inlet cavity. The valve body 1 is also provided with a valve sleeve 3 inside.
Be provided with disk seat 2 on the oil feed chamber, disk seat 2 adopts novel sealing material polyimide to make. The communicating part of the oil inlet cavity and the oil outlet cavity is provided with a valve core 4 through a valve seat 2 and a valve sleeve 3, a counter bore is formed in the valve core 4 and communicated with the upper cavity, a spring 5 is arranged in the counter bore, and the spring 5 is located between the valve core 4 and a valve cover 6 and used for driving the valve core 4 to reset. The sealing surface of the lower end of the valve core 4 contacting with the valve seat 2 is a spherical surface, so that the repeated resetting precision of the valve core 4 can be improved, and the aim of no internal leakage of the valve is achieved.
The side of valve gap 6 has been seted up and has been revealed hydraulic fluid port 13, reveals hydraulic fluid port 13 and is used for connecing the oil tank, reveals hydraulic fluid port 13 and adopts the coupling connected mode to connect through the leakage mouth joint 9 that sets up.
The flow passages include a first flow passage, a second flow passage, and a third flow passage.
The electromagnetic ball valve 8 is a plate-type connection electromagnetic ball valve, has simple structure, reliable reversing and good sealing performance, and can not cause failure due to internal leakage of the valve and influence the normal work of the one-way valve. An electromagnetic ball valve P port 15, an electromagnetic ball valve T port 16 and an electromagnetic ball valve A port 14 are formed in the electromagnetic ball valve 8, the electromagnetic ball valve A port 14 is located between the electromagnetic ball valve P port 15 and the electromagnetic ball valve T port 16, and a steel ball is arranged at the communication position of the electromagnetic ball valve A port 14, the electromagnetic ball valve P port 15 and the electromagnetic ball valve T port 16.
The port P15 of the electromagnetic ball valve is connected with a first flow channel and communicated with the oil inlet 11; the T port 16 of the electromagnetic ball valve is connected with a second flow passage and communicated with the oil leakage port 13 to be connected back to the oil tank; the electromagnetic ball valve A port 14 is connected with a third flow passage and communicated with the upper cavity, a damping 7 is arranged at the communication position of the third flow passage and the upper cavity, a damping hole is formed in the damping 7, the speed of oil entering and flowing out of the upper cavity of the one-way valve is controlled by adjusting the size of the damping hole, the opening and closing speed of the valve core 4 of the one-way valve is controlled, the hydraulic impact force for opening and closing the one-way valve is reduced, the impact of the valve core 4 under the conditions of high pressure and large flow is avoided, and the valve seat 2 is prevented from being damaged to reduce the sealing performance of the valve and reduce the service life of the valve.
By replacing the electromagnetic ball valve 8, the normally open or the normally closed of the oil of the electric control one-way valve from the oil inlet 11 to the oil outlet 12 can be realized. The electromagnetic ball valve is selected to be in a U shape, the electric control one-way valve is in a normally closed shape, the electromagnetic ball valve is selected to be in a C shape, and the electric control one-way valve is in a normally open shape.
In the embodiment 1, the normally-closed electric control one-way valve adopts the electromagnetic ball valve 8 which can be in a U shape as a pilot valve of the one-way valve, and the electric control one-way valve is in a normally-closed shape. When the electromagnetic ball valve 8 is not electrified, a port P15 of the electromagnetic ball valve is communicated with the oil inlet 11, and a port T16 of the electromagnetic ball valve is communicated with the oil leakage port 13; when the electromagnetic ball valve 8 is in an electrified state, the port P15 of the electromagnetic ball valve is a dead cavity, and the port A14 of the electromagnetic ball valve is communicated with the leakage oil port 13.
An oil inlet 11 of the electric control one-way valve is connected with an oil source, and an oil outlet 12 of the electric control one-way valve is connected with an oil port of the actuating element. When the electromagnetic ball valve 8 is not electrified, a P port 15 of the electromagnetic ball valve is communicated with the oil inlet 11, oil in an oil inlet cavity of the check valve reaches the P port 15 of the electromagnetic ball valve through a first flow channel and enters the electromagnetic ball valve 8, the oil enters a third flow channel from an A port 14 of the electromagnetic ball valve through the electromagnetic ball valve 8 and enters an upper cavity of the check valve, hydraulic oil acts on the upper end of a valve core 4 of the check valve, the upper pressure and the lower pressure of the valve core 4 are the same, and the acting force of the hydraulic pressure on the upper end is larger than that on the lower end due to the fact that the upper end and the lower end of the valve core 4 of the check valve are different in area, the valve core 4 of the check valve is in close contact with a valve seat 2, and the oil in the oil inlet 11 of the check valve cannot enter an oil outlet 12.
When the electromagnetic ball valve 8 is in a power-on state, the oil in the upper cavity of the check valve is communicated with the leakage oil port 13 of the check valve through the port 14A of the electromagnetic ball valve, the hydraulic pressure in the upper cavity of the check valve is zero, when the oil in the oil inlet cavity of the check valve acts on the valve core 4 of the check valve, the hydraulic oil overcomes the elasticity of the return spring 5 of the check valve and then opens the valve core 4 of the check valve, and the oil in the oil inlet cavity of the check valve smoothly reaches the oil outlet 12 through the check valve.
In embodiment 2, the normally-open electrically-controlled check valve is a normally-open electrically-controlled check valve in which the electromagnetic ball valve 8 is selected as a "C" type as a pilot valve of the check valve. When the electromagnetic ball valve 8 is not powered on, the port P15 of the electromagnetic ball valve is a dead cavity, the port A14 of the electromagnetic ball valve is communicated with the port T16 of the electromagnetic ball valve, and the port T16 of the electromagnetic ball valve is communicated with the leakage oil port 13 of the check valve.
An oil inlet 11 of the electric control one-way valve is connected with an oil source, and an oil outlet 12 of the electric control one-way valve is connected with an oil port of the actuating element. When the electromagnetic ball valve 8 is in a non-energized state, the oil in the upper cavity of the check valve is communicated with the leakage oil port 13 of the check valve through the A port 14 of the electromagnetic ball valve, the hydraulic pressure in the upper cavity of the check valve is zero, when the oil in the oil inlet cavity of the check valve acts on the valve core 4 of the check valve, the hydraulic oil opens the valve core 4 of the check valve after overcoming the elasticity of the reset spring 5 of the check valve, and the oil in the oil inlet cavity of the check valve smoothly reaches the oil outlet 12 through the check valve because of the zero hydraulic pressure in the upper cavity.
When the electromagnetic ball valve 8 is in a power-on state, the port P15 of the electromagnetic ball valve is communicated with the port A14 of the electromagnetic ball valve, oil in an oil inlet cavity of the one-way valve reaches the port P15 of the electromagnetic ball valve through the first flow passage and enters the electromagnetic ball valve 8, the oil enters the upper cavity of the one-way valve through the port A14 of the electromagnetic ball valve, hydraulic oil acts on the upper end of a valve core 4 of the one-way valve, the upper pressure and the lower pressure of the valve core 4 are the same, due to the fact that area difference exists between the upper end and the lower end of the valve core 4 of the one-way valve, the acting force of the hydraulic pressure on the upper end is larger than that on the lower end, the one-way valve core 4 is in close contact with a valve seat 2, and the oil in an oil inlet 11 of the one-way valve cannot enter an oil outlet 12.
The above service conditions of the electric control one-way valve are that the oil outlet 12 of the one-way valve is used under the pressure condition in general, the T port 16 of the electromagnetic ball valve is communicated with the oil leakage port 13 of the one-way valve, and the electric control one-way valve can internally control the leakage; when the electric control one-way valve is used as an unloading valve in a hydraulic system, the oil outlet 12 is connected with an oil tank for oil return, the T port 16 of the electromagnetic ball valve can be communicated with the oil outlet 12 of the one-way valve by arranging a fourth flow channel, and the electric control one-way valve can internally control internal leakage.
When the hydraulic control check valve is used, the check valve and the electromagnetic ball valve 8 are integrated and used for a high-flow hydraulic system, compared with a hydraulic control check valve, the hydraulic control check valve is small in size and light in weight, occupied space is reduced, and high-pressure oil can be rapidly and unidirectionally provided; by adopting flexible sealing for the one-way valve, the sealing performance is improved, and high-pressure zero leakage can be realized; by adopting electric control, intelligent control can be realized.
Claims (6)
1. The electric control one-way valve comprises a one-way valve and an electromagnetic ball valve (8); the check valve comprises a valve body (1), and a valve cover (6) is arranged at the top of the valve body (1); the inside of valve body (1) and valve gap (6) has seted up the runner, its characterized in that: an oil inlet (11) is formed in the bottom of the valve body (1), an oil outlet (12) is formed in the side portion of the valve body (1), an oil inlet cavity communicated with the oil inlet (11), an oil outlet cavity communicated with the oil outlet (12) and an upper cavity located above the oil inlet cavity are formed in the valve body (1); a valve seat (2) made of polyimide is arranged on the oil inlet cavity, a valve core (4) communicated with the upper cavity is arranged at the communication position of the oil inlet cavity and the oil outlet cavity through the valve seat (2), and the sealing surface of the lower end of the valve core (4) contacted with the valve seat (2) is a spherical surface;
a leakage oil port (13) is formed in the side part of the valve cover (6);
the flow passages comprise a first flow passage, a second flow passage and a third flow passage;
the electromagnetic ball valve (8) is in a plate connection mode and is arranged on the outer surface of the valve cover (6), an electromagnetic ball valve P port (15), an electromagnetic ball valve T port (16) and an electromagnetic ball valve A port (14) located between the electromagnetic ball valve P port (15) and the electromagnetic ball valve T port (16) are formed in the electromagnetic ball valve (8), and steel balls are arranged at the communication positions of the electromagnetic ball valve A port (14) and the electromagnetic ball valve P port (15) and the electromagnetic ball valve T port (16); the electromagnetic ball valve P port (15) is connected with the first flow passage and communicated with the oil inlet (11), the electromagnetic ball valve T port (16) is connected with the second flow passage and communicated with the oil leakage port (13), and the electromagnetic ball valve A port (14) is connected with the third flow passage and communicated with the upper cavity.
2. An electrically controlled one-way valve according to claim 1, wherein: the electromagnetic ball valve (8) is a U-shaped functional valve.
3. An electrically controlled one-way valve according to claim 1, wherein: the electromagnetic ball valve (8) is a C-shaped functional valve.
4. An electrically controlled one-way valve according to claim 1, wherein: and a valve sleeve (3) for installing the valve core (4) is arranged in the valve body (1).
5. An electrically controlled one-way valve according to claim 1, wherein: the valve core (4) is internally provided with a counter bore communicated with the upper cavity, and a spring (5) which is positioned between the valve core (4) and the valve cover (6) and used for driving the valve core (4) to reset is arranged in the counter bore.
6. An electrically controlled one-way valve according to claim 1, wherein: and a damper (7) is arranged at the communication position of the third flow channel and the upper cavity, and a damping hole is formed in the damper (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220368532.0U CN216789333U (en) | 2022-02-23 | 2022-02-23 | Electric control one-way valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220368532.0U CN216789333U (en) | 2022-02-23 | 2022-02-23 | Electric control one-way valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216789333U true CN216789333U (en) | 2022-06-21 |
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ID=82018042
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220368532.0U Active CN216789333U (en) | 2022-02-23 | 2022-02-23 | Electric control one-way valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216789333U (en) |
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2022
- 2022-02-23 CN CN202220368532.0U patent/CN216789333U/en active Active
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