CN215059708U - Double-pulse electromagnetic valve - Google Patents
Double-pulse electromagnetic valve Download PDFInfo
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- CN215059708U CN215059708U CN202121238748.7U CN202121238748U CN215059708U CN 215059708 U CN215059708 U CN 215059708U CN 202121238748 U CN202121238748 U CN 202121238748U CN 215059708 U CN215059708 U CN 215059708U
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Abstract
The utility model discloses a double-pulse electromagnetic valve, which consists of a valve body, an electromagnetic valve component and a side cover; the valve body is provided with an A end and a B end, each end is provided with an electromagnetic valve assembly, and the valve body internally comprises a valve rod, a guide sleeve, an O-shaped ring and a K-shaped ring; the valve comprises a valve body, a valve rod, a guide sleeve, a valve body, a channel B, a solenoid valve assembly, a valve rod and a valve rod, wherein the two ends of the valve rod are installed in the valve body through the two guide sleeves, the K-shaped ring is installed on the guide sleeves and the valve body, a C cavity is arranged between the two guide sleeves, the O-shaped ring is installed at the two ends of the C cavity, the B cavity is arranged between the end A of the valve body and the valve rod and is connected with the solenoid valve assembly through the channel B, and the A cavity is arranged between the end B of the valve body and the valve rod and is connected with the solenoid valve assembly through the channel A. The utility model provides a dipulse solenoid valve is 2 positions 5 circular telegram solenoid valves, through the design to the KO structure, has effectively promoted the reliability and the durability of this product, and the product is small, light in weight, easily installs and uses.
Description
Technical Field
The utility model relates to a braking system electromagnetic control field especially relates to a dipulse solenoid valve.
Background
The general existence of the dipulse solenoid valve on the market at present is along with the increase of tired number of times, and the performance descends very fast, and fatigue performance is relatively poor.
The utility model discloses it is stronger to compare the double pulse solenoid valve reliability on the existing market.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a dipulse solenoid valve to prior art's is not enough for track standard EMUs and city rail project, be used for braking system electromagnetic controlling means. The double-pulse solenoid valve (KO structure) controls the on-off of an internal gas circuit of the brake module through the power loss of 2 groups of solenoid valve coils, so that the parking purpose is realized.
The purpose of the utility model is realized through the following technical scheme: a double-pulse electromagnetic valve is composed of a valve body, an electromagnetic valve component and a side cover; the valve body is provided with an A end and a B end, each end is provided with an electromagnetic valve assembly, and the valve body internally comprises a valve rod, a guide sleeve, an O-shaped ring and a K-shaped ring; the valve comprises a valve body, a valve rod, a guide sleeve, a valve body, a channel B, a solenoid valve assembly, a valve rod and a valve rod, wherein the two ends of the valve rod are installed in the valve body through the two guide sleeves, the K-shaped ring is installed on the guide sleeves and the valve body, a C cavity is arranged between the two guide sleeves, the O-shaped ring is installed at the two ends of the C cavity, the B cavity is arranged between the end A of the valve body and the valve rod and is connected with the solenoid valve assembly through the channel B, and the A cavity is arranged between the end B of the valve body and the valve rod and is connected with the solenoid valve assembly through the channel A.
Furthermore, a static iron core assembly, a movable iron core assembly and a valve are arranged in the electromagnetic valve assembly; the movable iron core assembly is installed above the valve, the return spring is sleeved into the movable iron core assembly, the static iron core assembly is installed above the movable iron core assembly, and the side covers are installed on the valve and the valve body.
Furthermore, the A end and the B end of the valve body are both provided with a button, and the buttons are connected with the valve rod.
Further, the valve body has an input port P, two output ports: port a and port B, two exhaust ports: and the inlet P is connected with the channel A and the channel B.
The utility model has the advantages that: the utility model provides a dipulse solenoid valve is 2 positions 5 circular telegram solenoid valves, through the design to the KO structure, has effectively promoted the reliability and the durability of this product, and the product is small, light in weight, easily installs and uses.
Drawings
FIG. 1 is a cross-sectional view of the internal structure of the present invention;
fig. 2 is a schematic view of the valve port of the present invention.
Detailed Description
The following describes the embodiments of the present invention in further detail with reference to the accompanying drawings.
As shown in figure 1, the utility model provides a pair of dipulse solenoid valve for track standard EMUs and city rail project are used for braking system electromagnetic control device. The double-pulse solenoid valve (KO structure) controls the on-off of an internal gas circuit of the brake module through the power loss of 2 groups of solenoid valve coils, so that the parking purpose is realized. The double-pulse solenoid valve (KO structure) is installed 2O shape rings (local optimization seal) and 2K shape rings (reduce frictional force) on the valve rod. The internal sealing form is sealed by the combination of the O-shaped ring and the K-shaped ring, so that the movement resistance is reduced, the durability of the double-pulse electromagnetic valve is enhanced, and the double-pulse electromagnetic valve is small in size, light in weight and easy to install and use.
As shown in fig. 1, the utility model provides a double-pulse solenoid valve, which is composed of a valve body 7, a solenoid valve component 1 and a side cover 5; the valve body 7 is provided with an A end and a B end, each end is provided with a solenoid valve assembly 1, and the valve body 7 internally comprises a valve rod 8, a guide sleeve 11, an O-shaped ring 10 and a K-shaped ring 9; the two ends of the valve rod 8 are installed in the valve body 7 through two guide sleeves 11, the K-shaped ring 9 is installed on the guide sleeves 11 and the valve body 7, a C cavity is formed between the two guide sleeves 11, O-shaped rings 10 are installed on the two ends of the C cavity, a B cavity is formed between the end A of the valve body 7 and the valve rod 8 and is connected with the electromagnetic valve component 1 through a channel B, and a cavity A is formed between the end B of the valve body 7 and the valve rod 8 and is connected with the electromagnetic valve component 1 through a channel A.
The electromagnetic valve component 1 is internally provided with a static iron core component 2, a movable iron core component 3 and a valve 4; a movable iron core component 3 is installed above the valve 4, the return spring is sleeved into the movable iron core component, a static iron core component 2 is installed above the movable iron core component, and a side cover 5 is installed on the valve 4 and the valve body 7.
The valve body 7 is provided with an input port P, two output ports (ports A and B) and two exhaust ports (ports R and S), five ports are arranged on the bottom surface of the valve body, and the input port P is connected with the channel A and the channel B.
The utility model discloses an electronic and manual two kinds of modes are specifically as follows:
electric principle:
the P mouth admits air, and atmospheric pressure reachs passageway A, passageway B, and B end solenoid valve coil pack 1 gets electricity, and A end solenoid valve coil pack 1 loses electricity, and B end moves iron core subassembly 3 and is sealed with quiet iron core subassembly 2 under receiving the solenoid valve effect upward movement, opens valve 4 seal port, and atmospheric pressure gets into the A chamber through the seal port, pushes valve rod 8 left motion under the effect of atmospheric pressure, opens P mouth-A mouth passageway, closes P mouth-B mouth passageway, and A mouth output atmospheric pressure.
And then, in the last step, the coil assembly 1 of the electromagnetic valve at the end B loses power, the coil assembly 1 of the electromagnetic valve at the end A gets power, the movable iron core assembly 3 at the end A moves upwards under the action of the electromagnetic valve to be sealed with the static iron core assembly 2, the sealing opening of the valve 4 is opened, air pressure enters the cavity B through the sealing opening, the valve rod 8 is pushed to move rightwards under the action of the air pressure, the channel from the port P to the port B is opened, the channel from the port P to the port A is closed, and the port B outputs the air pressure.
The manual principle is as follows:
air is fed from the port P, air pressure reaches the channel A and the channel B, the button at the end B is pressed, the valve rod 8 is pushed to move leftwards under the action of thrust, the channel of the port P-A is opened, the channel of the port P-B is closed, and the air pressure is output from the port A.
And then, pressing the button at the A end, pushing the valve rod 8 to move rightwards under the inference action, opening the P-port-B channel, closing the P-port-A channel, and outputting air pressure from the B port.
The KO structure working principle is as follows:
when the cavity A (cavity B) is full of air pressure, the K-shaped ring at the end B (end A) expands under the action of the air pressure and is sealed tightly against the inner wall of the guide sleeve, and the K-shaped ring only performs sliding sealing on the smooth inner wall of the guide sleeve under the whole working stroke, so that the sealing stability can be ensured.
When the C chamber is full of atmospheric pressure, under whole working stroke, owing to the condition that has the via hole, consequently do not adopt K shape circle (K shape circle via hole can produce great deformation, leads to sealed unstability), and adopt the design of O shape circle (O shape circle via hole does not have too big deformation, can guarantee stable leakproofness behind the via hole.
The above-mentioned embodiments are provided for explaining the present invention, not for limiting the present invention, and any modifications and changes made to the present invention are within the spirit of the present invention and the scope of the claims and fall within the scope of the present invention.
Claims (4)
1. A double-pulse electromagnetic valve is characterized by comprising a valve body (7), an electromagnetic valve component (1) and a side cover (5); the valve body (7) is provided with an A end and a B end, each end is provided with a solenoid valve assembly (1), and the valve body (7) internally comprises a valve rod (8), a guide sleeve (11), an O-shaped ring (10) and a K-shaped ring (9); the improved electromagnetic valve is characterized in that two ends of the valve rod (8) are installed in the valve body (7) through two guide sleeves (11), a K-shaped ring (9) is installed between each guide sleeve (11) and the valve body (7), a C cavity is formed between the two guide sleeves (11), an O-shaped ring (10) is installed at two ends of the C cavity, a B cavity is formed between the A end of the valve body (7) and the valve rod (8), the valve body is connected with the electromagnetic valve component (1) through a channel B, and the A cavity is formed between the B end of the valve body (7) and the valve rod (8) and connected with the electromagnetic valve component (1) through a channel A.
2. A double-pulse electromagnetic valve according to claim 1, characterized in that the electromagnetic valve component (1) is provided with a static iron core component (2), a movable iron core component (3) and a valve (4); the movable iron core component (3) is installed above the valve (4), the movable iron core component is sleeved with the return spring, the static iron core component (2) is installed above the movable iron core component, and the side cover (5) is installed on the valve (4) and the valve body (7).
3. A double pulse solenoid valve according to claim 1, characterized in that a button (6) is mounted at both the a and B ends of the valve body (7), said button (6) being connected to the valve stem (8).
4. A double pulse solenoid valve according to claim 1, characterised in that said valve body (7) has one input port P, two output ports: port a and port B, two exhaust ports: and the inlet P is connected with the channel A and the channel B.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121238748.7U CN215059708U (en) | 2021-06-04 | 2021-06-04 | Double-pulse electromagnetic valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121238748.7U CN215059708U (en) | 2021-06-04 | 2021-06-04 | Double-pulse electromagnetic valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215059708U true CN215059708U (en) | 2021-12-07 |
Family
ID=79206972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121238748.7U Active CN215059708U (en) | 2021-06-04 | 2021-06-04 | Double-pulse electromagnetic valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215059708U (en) |
-
2021
- 2021-06-04 CN CN202121238748.7U patent/CN215059708U/en active Active
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