CN217977653U - Two-position two-way normally closed electromagnetic valve - Google Patents

Two-position two-way normally closed electromagnetic valve Download PDF

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Publication number
CN217977653U
CN217977653U CN202222480988.9U CN202222480988U CN217977653U CN 217977653 U CN217977653 U CN 217977653U CN 202222480988 U CN202222480988 U CN 202222480988U CN 217977653 U CN217977653 U CN 217977653U
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valve
iron core
valve body
assembly
coil
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CN202222480988.9U
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Chinese (zh)
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吴能赏
吴家轩
陈发选
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Zhejiang Ousituo Electronic Technology Co.,Ltd.
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Taizhou Ost Pneumatic Machinery Technology Co ltd
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Abstract

The two-position two-normal closed electromagnetic valve comprises an electromagnetic assembly and a valve body assembly; the electromagnetic assembly comprises a coil assembly; the coil assembly comprises a coil bracket and an iron core sleeve; the iron core external member comprises a movable iron core, a movable iron core spring and a static iron core; the valve body assembly comprises a valve body and a valve plug assembly; the valve body is provided with an air outlet and an air inlet; the valve body is provided with a valve cavity; the valve plug assembly comprises a valve plug head and a jacking spring; under the condition of not electrifying, the valve plug head is attached to the valve body to form sealing on one end of the valve cavity. In the utility model, the movable iron core spring is arranged in the stepped through hole on the movable iron core, so that the structure is more compact; the air outlet and the air inlet are communicated through a valve cavity arranged in the valve body, the air path stroke is short, the air resistance is smaller, the response of an external mechanical element is faster, and higher use requirements can be met; simple structure does benefit to processing and assembly, and compacter structure has effectively reduced the volume of solenoid valve for the solenoid valve is lower to installation space's requirement, and application scope is wider.

Description

Two-position two-way normally closed electromagnetic valve
Technical Field
The utility model relates to a solenoid valve technical field especially relates to two normal close formula solenoid valves.
Background
The electromagnetic valve is an industrial equipment controlled by electromagnetism, is an automatic basic element for controlling fluid, belongs to a control element and is used for controlling an actuator. It is used to adjust the direction, flow, velocity and other parameters of a medium in an industrial control system. The working principle of the electromagnetic valve is that the mechanical movement of the valve core is controlled by controlling the on-off of the current of the electromagnet, so that the vent hole is closed or opened, and the purpose of controlling certain parameters of fluid entering a mechanical element is achieved.
The two-position two-way electromagnetic valve is generally provided with an air inlet, an air outlet and a valve cavity, and the electromagnetic valve realizes opening and closing of the valve cavity through movement of a valve core so as to enable the air inlet and the air outlet of the electromagnetic valve to be communicated or enable the air outlet and the air inlet of the electromagnetic valve to be separated; however, the existing two-position two-way electromagnetic valve has a relatively complex structure, and more spaces exist among the structures, so that the volume is larger, and the application range is limited.
SUMMERY OF THE UTILITY MODEL
The utility model provides a to prior art not enough, the utility model provides a two normal close formula solenoid valves. The two-position two-normal closed electromagnetic valve adopts a specific structure, so that each structure in the electromagnetic valve is more compact, the whole volume is smaller, the requirement on the installation space is lower, and the application range is wider; and the switch is kept in a closed state for a long time, and when needed, the switch is turned on by electrifying, so that energy is saved.
The technical scheme of the utility model:
the two-position two-normal closed electromagnetic valve comprises an electromagnetic assembly and a valve body assembly; the electromagnetic assembly comprises a coil assembly and a coil plastic-coated shell arranged on the periphery of the coil assembly; the coil assembly comprises a coil support, an iron core sleeve arranged on the coil support and a coil sleeved on the periphery of the iron core sleeve; the iron core external member comprises a movable iron core, a movable iron core spring and a static iron core which are arranged in sequence; a step through hole is formed in the movable iron core, one end of the movable iron core spring abuts against the static iron core, and the other end of the movable iron core spring extends into the step through hole to abut against the step surface of the step through hole; the valve body assembly comprises a valve body and a valve plug assembly; the valve body is sequentially provided with an air outlet and an air inlet, and the air outlet is positioned at one side close to the electromagnetic assembly; the valve body is provided with a valve cavity which is communicated with the air inlet; the valve plug assembly comprises a valve plug head arranged between the movable iron core and the valve body and a jacking spring arranged between the valve plug head and the valve body; the elasticity of the movable iron core spring is larger than that of the jacking spring, and the valve plug head is attached to the valve body to seal one end of the valve cavity under the condition of no electrification.
Compared with the prior art, the utility model adopts a specific structure, and the movable iron core spring is arranged in the stepped through hole on the movable iron core, so that the structure is more compact; the air outlet and the air inlet are communicated through a valve cavity arranged in the valve body, the air path stroke is short, the air resistance is smaller, the response of an external mechanical element is faster, and higher use requirements can be met; simple structure does benefit to processing and assembly, and compacter structure has effectively reduced the volume of solenoid valve for the solenoid valve is lower to installation space's requirement, and application scope is wider.
In the two-position two-normal closed electromagnetic valve, a boss is arranged on an inner hole of the coil support, and one end of the static iron core, which is close to the movable iron core, abuts against the boss; under the open state of the electromagnetic valve, one end of the movable iron core, which is close to the static iron core, is abutted against the static iron core, and the edge of the movable iron core is abutted against the lug boss. By adopting the structure, one end of the static iron core is arranged by abutting against the boss, so that the static iron core can be limited during installation and is convenient to install; under the solenoid valve open mode, support and lean on the boss through the one end that sets up to move the iron core for move the iron core at the solenoid valve switch in-process, can directly not strike quiet iron core, but cushion through the boss, can alleviate the vibrations that the solenoid valve switch action produced to a certain extent, improve the reliability of solenoid valve.
Further, in the two-position two-normal closed electromagnetic valve, the boss is made of a flexible material.
Preferably, in the two-position normally closed solenoid valve, a gap of 0.3 to 3mm is formed between the plug head and the valve body when the solenoid valve is in a power-on state. The size of the gap is the better size determined by a great amount of experiments of research personnel; the structure not only enables the internal structure of the electromagnetic valve to be compact and stable, but also ensures the internal smoothness of the valve; when the power is off, the movable iron core can quickly close the electromagnetic valve under the action of the elastic force of the movable iron core spring, the reaction time of the valve when the power is on and off is further shortened, and the application range of the electromagnetic valve is enlarged while the precision and the safety are ensured.
Preferably, in the two-position two-normal closed electromagnetic valve, the fitting portion of the valve body and the valve plug is tapered. The structure adopts a line contact mode for sealing, and reduces the requirement on the processing precision of the contact surface of the valve plug while ensuring the sealing performance.
As an optimization, in the two-position two-normal closed electromagnetic valve, the coil is wrapped with the plastic shell and is provided with the circuit board, the circuit board is externally provided with the housing, the coil is wrapped with the plastic shell and is connected with the housing through the buckle, and the circuit board is provided with the contact pin. By adopting the structure, the coil plastic-coated shell and the housing are connected through the buckle, so that the external structure of the electromagnetic valve has enough strength and is convenient to assemble, disassemble and assemble.
Preferably, in the two-position two-normal closed electromagnetic valve, the coil plastic-coated shell is connected with the valve body through a connecting piece. By adopting the structure design, the structure is simple, and the production and the assembly are convenient.
Preferably, in the two-position two-normal closed electromagnetic valve, the air inlet and the air outlet of the valve body are provided with sealing parts. By adopting the structure, the sealing element is arranged at the air port, so that the connection sealing property between the electromagnetic valve and other components can be enhanced; meanwhile, the sealing element can be replaced, and if the sealing element is damaged, the sealing element can be replaced independently, so that the sealing element is convenient and efficient.
Drawings
FIG. 1 is a cross-sectional view of the two-position two-way normally closed solenoid valve of the present invention;
FIG. 2 is a front perspective view of the two-position two-normal closed solenoid valve of the present invention;
fig. 3 is a back perspective view of the two-position two-normal closed solenoid valve of the present invention.
The labels in the figures are: 1-an electromagnetic component, 11-a coil component, 111-a coil bracket, 1111-a boss, 112-an iron core suite, 1121-a movable iron core, 1122-a movable iron core spring, 1123-a static iron core, 113-a coil, 12-a coil plastic-coated shell, 13-a circuit board, 14-a shell cover and 15-a contact pin; 2-valve body component, 21-valve body, 211-air outlet, 212-air inlet, 213-valve cavity, 22-valve plug component, 221-valve plug head and 222-jacking spring; 3-a connector; 4-sealing element.
Detailed Description
The present invention will be further described with reference to the drawings and examples, which should not be construed as a limitation to the present invention. In the following examples, the details are not described in detail and are all conventional technical means or technical common knowledge in the art.
Examples (see fig. 1-3):
the two-position two-normal closed electromagnetic valve comprises an electromagnetic assembly 1 and a valve body assembly 2; the electromagnetic assembly 1 comprises a coil assembly 11 and a coil plastic-coated shell 12 arranged on the periphery of the coil assembly; the coil assembly 11 comprises a coil support 111, an iron core sleeve 112 arranged on the coil support, and a coil 113 sleeved on the periphery of the iron core sleeve; the iron core kit 112 comprises a movable iron core 1121, a movable iron core spring 1122 and a static iron core 1123 which are sequentially arranged; a stepped through hole is formed in the movable iron core 1121, one end of the movable iron core spring 1122 abuts against the static iron core 1123, and the other end of the movable iron core spring extends into the stepped through hole to abut against the stepped surface of the stepped through hole; the valve body assembly 2 comprises a valve body 21 and a valve plug assembly 22; the valve body 21 is sequentially provided with an air outlet 211 and an air inlet 212, and the air outlet 211 is positioned at one side close to the electromagnetic assembly 1; the valve body 21 is provided with a valve cavity 213, and the valve cavity 213 is communicated with the air inlet 212; the valve plug assembly 22 comprises a valve plug head 221 arranged between the movable iron core 1121 and the valve body 21, and a jacking spring 222 arranged between the valve plug head 221 and the valve body 21; the elastic force of the plunger spring 1122 is greater than the elastic force of the biasing spring 222, and when the valve plug 221 is not energized, the valve plug is attached to the valve body 21 to seal one end of the valve chamber 213.
In this embodiment, a boss 1111 is disposed on an inner hole of the coil support 111, and one end of the stationary core 1123 close to the movable core 1121 abuts against the boss 1111; in an open state of the electromagnetic valve, one end of the movable iron core 1121, which is close to the stationary iron core 1123, abuts against the stationary iron core 1123, and an edge of the movable iron core 1121 abuts against the boss 1111.
In this embodiment, the boss 1111 is made of a flexible material.
In this embodiment, when the electromagnetic valve is in an energized state, a gap of 3mm is formed between the plug head 221 and the valve body 21.
In this embodiment, the fitting portion of the valve body 21 and the plug head 221 is tapered.
In this embodiment, be equipped with circuit board 13 on the casing 12 is moulded to the coil package, be equipped with housing 14 outside the circuit board 13, the casing 12 is moulded to the coil package with housing 14 passes through the buckle connection, be equipped with contact pin 15 on the circuit board.
In this embodiment, the coil plastic-coated housing 12 is connected to the valve body 21 through the connecting member 3.
In this embodiment, the sealing members 4 are disposed at the air inlet 212 and the air outlet 211 of the valve body 21.
When the electromagnetic valve of the present invention is not powered on, the movable core 1121 applies thrust to the valve plug 221 under the action of the elastic force of the movable core spring 1122, so that the valve plug 221 blocks the valve cavity 213, the gas outlet 211 and the gas inlet 212 are blocked, gas does not flow, and the electromagnetic valve maintains a closed state for a long time; when the power is turned on, the movable iron core 1121 moves inward against the spring force under the action of the electromagnetic force, the valve plug 221 is separated from the valve cavity 213 under the action of the elastic force of the abutting spring 222, the gas inlet 212 is communicated with the gas outlet 211, and the gas enters the valve body 21 from the gas inlet 212 and then flows into the mechanical equipment from the gas outlet 211.
The above general description of the invention and the description of its specific embodiments in this application should not be construed as limiting the scope of the invention. Those skilled in the art can add, reduce or combine the technical features disclosed in the general description and/or the specific embodiments (including the examples) to form other technical solutions within the scope of the present application according to the disclosure of the present application without departing from the components of the present invention.

Claims (8)

1. The two-position two-normal closed electromagnetic valve comprises an electromagnetic assembly (1) and a valve body assembly (2); the method is characterized in that: the electromagnetic assembly (1) comprises a coil assembly (11) and a coil plastic-coated shell (12) arranged on the periphery of the coil assembly; the coil assembly (11) comprises a coil support (111), an iron core sleeve (112) arranged on the coil support, and a coil (113) sleeved on the periphery of the iron core sleeve; the iron core external member (112) comprises a movable iron core (1121), a movable iron core spring (1122) and a static iron core (1123) which are arranged in sequence; a step through hole is formed in the movable iron core (1121), one end of the movable iron core spring (1122) abuts against the static iron core (1123), and the other end of the movable iron core spring extends into the step through hole to abut against the step surface of the step through hole; the valve body assembly (2) comprises a valve body (21) and a valve plug assembly (22); the valve body (21) is sequentially provided with an air outlet (211) and an air inlet (212), and the air outlet (211) is positioned at one side close to the electromagnetic assembly (1); a valve cavity (213) is arranged on the valve body (21), and the valve cavity (213) is communicated with the air inlet (212); the valve plug assembly (22) comprises a valve plug head (221) arranged between the movable iron core (1121) and the valve body (21), and a jacking spring (222) arranged between the valve plug head (221) and the valve body (21); the elastic force of the movable iron core spring (1122) is larger than that of the jacking spring (222), and the valve plug head (221) is attached to the valve body (21) under the condition of no electrification, so that one end of the valve cavity (213) is sealed.
2. The two-position two-port normally closed solenoid valve of claim 1, wherein: in the two-position two-normal closed electromagnetic valve, a boss (1111) is arranged on an inner hole of the coil bracket (111), and one end of the static iron core (1123) close to the movable iron core (1121) abuts against the boss (1111); when the electromagnetic valve is in an open state, one end of the movable iron core (1121), which is close to the static iron core (1123), abuts against the static iron core (1123), and the edge of the movable iron core (1121) abuts against the boss (1111).
3. The two-position two-port normally closed solenoid valve of claim 2, wherein: the material of the boss (1111) is flexible material.
4. The two-position two-port normally closed solenoid valve of claim 1, wherein: when the electromagnetic valve is in an electrified state, a gap of 0.3-3 mm is formed between the valve plug head (221) and the valve body (21).
5. The two-position two-normal closed solenoid valve according to claim 1, characterized in that: the matching position of the valve body (21) and the valve plug head (221) is in a conical shape.
6. The two-position two-normal closed solenoid valve according to claim 1, characterized in that: be equipped with circuit board (13) on casing (12) is moulded to the coil package, be equipped with housing (14) outside circuit board (13), casing (12) is moulded to the coil package with housing (14) passes through the buckle and connects, be equipped with contact pin (15) on the circuit board.
7. The two-position two-normal closed solenoid valve according to claim 1, characterized in that: the coil plastic-coated shell (12) is connected with the valve body (21) through a connecting piece (3).
8. The two-position two-normal closed solenoid valve of any one of claims 1 to 7, wherein: and sealing elements (4) are arranged at the air inlet (212) and the air outlet (211) of the valve body (21).
CN202222480988.9U 2022-09-19 2022-09-19 Two-position two-way normally closed electromagnetic valve Active CN217977653U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202222480988.9U CN217977653U (en) 2022-09-19 2022-09-19 Two-position two-way normally closed electromagnetic valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222480988.9U CN217977653U (en) 2022-09-19 2022-09-19 Two-position two-way normally closed electromagnetic valve

Publications (1)

Publication Number Publication Date
CN217977653U true CN217977653U (en) 2022-12-06

Family

ID=84263851

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202222480988.9U Active CN217977653U (en) 2022-09-19 2022-09-19 Two-position two-way normally closed electromagnetic valve

Country Status (1)

Country Link
CN (1) CN217977653U (en)

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Address after: 317100 No. 8, Gongye Avenue, Hairun street, Sanmen County, Taizhou City, Zhejiang Province

Patentee after: Zhejiang Ousituo Electronic Technology Co.,Ltd.

Address before: 317100 No. 8, Gongye Avenue, Hairun street, Sanmen County, Taizhou City, Zhejiang Province

Patentee before: TAIZHOU OST PNEUMATIC MACHINERY TECHNOLOGY CO.,LTD.