CN221237208U - Normally closed hanger valve with simple structure - Google Patents
Normally closed hanger valve with simple structure Download PDFInfo
- Publication number
- CN221237208U CN221237208U CN202323097876.6U CN202323097876U CN221237208U CN 221237208 U CN221237208 U CN 221237208U CN 202323097876 U CN202323097876 U CN 202323097876U CN 221237208 U CN221237208 U CN 221237208U
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- valve
- valve core
- closed
- electromagnetic
- inner cavity
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- 230000006698 induction Effects 0.000 claims abstract description 13
- 238000007789 sealing Methods 0.000 claims description 28
- 239000007788 liquid Substances 0.000 claims description 6
- 238000007493 shaping process Methods 0.000 claims description 2
- 210000002445 nipple Anatomy 0.000 claims 8
- 238000010276 construction Methods 0.000 claims 6
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000000465 moulding Methods 0.000 abstract 1
- 238000002360 preparation method Methods 0.000 description 2
- 241001503987 Clematis vitalba Species 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 241001227561 Valgus Species 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Abstract
The utility model discloses a normally closed hanger valve with a simple structure, which comprises a valve body, a valve core rod and an electromagnetic driving part, wherein the electromagnetic driving part is arranged on one side of the valve body away from a joint mouth and comprises an electromagnetic coil and a spring, and the electromagnetic coil is surrounded on a magnetic induction connecting part; the spring is sleeved on the valve core rod, one end of the spring is connected with the magnetic induction connecting part, and the other end of the spring is connected with the valve body. Compared with the prior art, the electromagnetic coil and the spring are arranged on the same side of the valve body, so that the valve body and the valve core rod are simpler in molding structure, and the manufacturing cost is reduced.
Description
Technical Field
The utility model relates to the technical field of electromagnetic valve devices, in particular to a normally closed hanger valve with a simple structure.
Background
The normally closed electromagnetic valve is widely applied to industries such as generator sets, diesel engines, boiler combustors, welding and cutting instruments, sulfur detectors, analytical instruments, medical instruments, air compressors, machine manufacturing and the like. The device has the characteristics of normally open when being electrified and normally closed when being cut off. The normally closed electromagnetic valve is divided into a single electric control type electromagnetic valve and a double electric control type electromagnetic valve according to the set number of electromagnetic coils, and when the piston rod of the existing single electric control type electromagnetic valve is reset, the piston rod is reset mainly through acting forces such as springs, air pressure or hydraulic pressure.
Electromagnetic coils and springs of the single electric control type electromagnetic valve in the prior art are respectively assembled on two sides of the valve body and are respectively connected with two ends of the piston rod in an action mode, so that the valve body and the piston rod are complex in forming structure, high in assembly difficulty and high in preparation cost, and therefore improvement is needed.
Disclosure of utility model
Aiming at the defects existing in the prior art, the utility model aims to provide the normally closed hanger valve with a simple structure, simplify the structure of a single electric control type electromagnetic valve and reduce the manufacturing cost.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the normally closed hanger valve comprises a valve body, a valve core rod and an electromagnetic driving part, wherein the bottom of the valve body is provided with a first connector and a second connector, the interior of the valve body is hollowed to form a valve cavity, a step part is formed in the middle of the valve cavity between the first connector and the second connector, the step part is used as a limit, a normally open inner cavity is formed at one side of the valve cavity, which is close to the first connector, a closed inner cavity is formed at one side, which is close to the second connector, of the valve cavity, the inner diameter of the normally open inner cavity is larger than that of the closed inner cavity, the first connector is communicated with the normally open inner cavity, and the second connector is communicated with the closed inner cavity; the valve core rod is provided with a magnetic induction connecting part at one end and a valve core head at the other end, the valve core rod is movably assembled in the valve cavity, the valve core head is positioned in the closed inner cavity in the power-off state of the normally closed hanger valve, and the valve core head is in airtight fit with the inner wall of the closed inner cavity; when the normally closed hanger valve is in an electrified state, the valve core head moves to the normally open inner cavity, an open gap is formed between the valve core head and the normally open inner cavity, and the first connector is communicated with the second connector through the open gap; the electromagnetic driving part is arranged on one side of the valve body, which is far away from the joint mouth, and comprises an electromagnetic coil and a spring, wherein the electromagnetic coil is surrounded on the magnetic induction connecting part; the spring is sleeved on the valve core rod, one end of the spring is connected with the magnetic induction connecting part, and the other end of the spring is connected with the valve body.
In a further technical scheme, one side of the valve core rod, which is close to the valve core head, is provided with a sealing head, the sealing head is positioned in the closed inner cavity, and the sealing head is in airtight fit with the inner wall of the closed inner cavity.
In a further technical scheme, the valve core rod is positioned between the valve core head and the sealing head, a young rod section is formed, the outer diameter of the young rod section is smaller than that of the valve core head, a through-flow gap is formed between the outer wall of the young rod section and the inner wall of the closed inner cavity, and the through-flow gap is communicated with the normally open inner cavity in a normally closed hanging frame valve power-on state to form a gas-liquid flow channel.
In a further technical scheme, the outer walls of the valve core head and the sealing head are respectively sleeved with sealing rings.
In a further technical scheme, the electromagnetic driving part further comprises an electromagnetic shell, and buckling feet are formed at the bottom of the electromagnetic shell; the lateral part shaping of valve body has the connection limit of valgus, and electromagnetic shell passes through the knot climbers to be connected in the connection limit.
In a further technical scheme, one end of the valve body, which is far away from the electromagnetic driving part, is provided with a sealing screw, and the sealing screw seals the valve cavity.
In a further technical scheme, a step is formed on one side of the valve cavity, which is close to the electromagnetic driving part; the middle part of the valve core rod is provided with a limiting step, and the limiting step is in limiting and propping fit with the step.
By adopting the structure, compared with the prior art, the utility model has the following advantages: the utility model provides a normally closed hanger valve with a simple structure, which is characterized in that an electromagnetic coil and a spring are arranged on the same side of a valve body, so that the forming structures of the valve body and a valve core rod are simplified, the assembly is simple, and the manufacturing cost is reduced.
Drawings
The utility model will be further described with reference to the drawings and examples.
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a schematic view of the structure of the present utility model in a power-off state.
Fig. 3 is a schematic view of the structure of the present utility model in the energized state.
Detailed Description
The following are only preferred embodiments of the present utility model, and are not intended to limit the scope of the present utility model.
In order to solve the problem of complex structure of a single electric control electromagnetic valve in the prior art and aim at reducing production cost, the inventor provides a normally closed hanger valve, wherein an electromagnetic coil and a return spring are arranged on the same side of a valve body, so that the forming structures of the valve body and a valve core rod are simplified, and the preparation cost is reduced.
As shown in fig. 1 to 3, a normally closed hanger valve with a simple structure comprises a valve body 1, a valve core rod 5 and an electromagnetic driving part 2, wherein a first joint mouth 41 and a second joint mouth 42 are arranged at the bottom of the valve body 1, a valve cavity is formed by hollowing out the interior of the valve body 1, a step part 403 is formed in the middle position of the valve cavity between the first joint mouth 41 and the second joint mouth 42, the step part 403 is used as a limit, a normally open inner cavity 402 is formed at one side of the valve cavity close to the first joint mouth 41, a closed inner cavity 401 is formed at one side of the valve cavity close to the second joint mouth 42, the inner diameter of the normally open inner cavity 402 is larger than the inner diameter of the closed inner cavity 401, the first joint mouth 41 is communicated with the normally open inner cavity 402, and the second joint mouth 42 is communicated with the closed inner cavity 401; one end of the valve core rod 5 is provided with a magnetic induction connecting part 51, the other end of the valve core rod is provided with a valve core head 55, the valve core rod 5 is movably assembled in the valve cavity, the valve core head 55 is positioned in the closed inner cavity 401 in the power-off state of the normally closed hanger valve, and the valve core head 55 is in airtight fit with the inner wall of the closed inner cavity 401; in the normally closed hanger valve electrifying state, the valve core head 55 moves to the normally open inner cavity 402, an open gap is formed between the valve core head 55 and the normally open inner cavity 402, and the first connector 41 is communicated with the second connector 42 through the open gap; the electromagnetic driving part 2 is arranged on one side of the valve body 1 away from the joint mouth, the electromagnetic driving part 2 comprises an electromagnetic coil and a spring 52, the electromagnetic coil surrounds the magnetic induction connecting part 51, the magnetic induction connecting part 51 is provided with a permanent magnet, and the permanent magnet is magnetically matched with the electromagnetic coil; the spring 52 is sleeved on the valve core rod 5, one end of the spring 52 is connected with the magnetic induction connecting part 51, and the other end is connected with the valve body 1. The valve core rod 5 is provided with a sealing head 54 at one side close to the valve core head 55, the sealing head 54 is positioned in the closed inner cavity 401, and the sealing head 54 is in airtight fit with the inner wall of the closed inner cavity 401. The valve core rod 5 is positioned between the valve core head 55 and the sealing head 54, a young rod section 56 is formed, the outer diameter of the young rod section 56 is smaller than the outer diameter of the valve core head 55, a through-flow gap is formed between the outer wall of the young rod section 56 and the inner wall of the closed inner cavity 401, and in the energized state of the normally closed hanger valve, the through-flow gap is communicated with the normally open inner cavity 402, and a gas-liquid flow channel is formed.
The embodiment provides a normally closed type hanger valve with a simple structure, wherein a spring 52 and an electromagnetic coil are arranged on the same side, so that the forming structure of a valve body 1 and a valve core rod 5 is simplified, the assembly difficulty is also simplified, when the hanger valve is in a power-off state, under the elastic action of the spring 52, the valve core rod 5 has an elastic trend towards the electromagnetic coil, so that a sealing head 54 is kept in a closed inner cavity 401 and is in airtight fit with the closed inner cavity 401, a gas-liquid flow passage is in a closed state, and a first connector 41 and a second connector are different from each other; after being electrified, the valve core rod 5 is displaced under the electromagnetic action, the sealing head 54 passes through the step part 403 and moves to the normally open inner cavity 402, at this time, an open gap is formed between the sealing head 54 and the normally open inner cavity 402, the gas-liquid flow passage is in an open state, and the first connector 41 is communicated with the second connector.
The sealing head 54 and the closed inner cavity 401 are always in airtight fit, so that gas and liquid cannot flow into the magnetic induction connecting part 51 accidentally, and stable operation of the hanger valve is ensured.
Specifically, the outer walls of the valve core head 55 and the seal head 54 are respectively sleeved with a seal ring. The valve body is closed and leak-proof through airtight fit between the sealing ring and the closed cavity 401.
The embodiment also provides a simpler electromagnetic driving structure, the electromagnetic driving part 2 also comprises an electromagnetic shell, and the bottom of the electromagnetic shell is provided with a buckling pin 22; the side part of the valve body 1 is formed with an everted connecting edge 11, and the electromagnetic shell is buckled on the connecting edge 11 through a buckling pin 22; two wires are further provided on the outer side of the electromagnetic driving portion 2, and are connected to the electromagnetic coils, respectively.
One end of the valve body 1, which is far away from the electromagnetic driving part 2, is provided with a sealing screw 3, and the sealing screw 3 covers the valve cavity.
A limiting structure of the valve core rod 5 is arranged in the valve cavity, the valve core rod 5 moves towards the connector in the electrified state, and a step 404 is formed on one side of the valve cavity, which is close to the electromagnetic driving part 2; a limiting step 53 is formed in the middle part of the valve core rod 5, and the limiting step 53 is in limiting and propping fit with the step 404; at the same time, the sealing head 54 remains completely disengaged from the closed lumen 401.
The foregoing is merely exemplary of the present utility model, and those skilled in the art should not be considered as limiting the utility model, since modifications may be made in the specific embodiments and application scope of the utility model in light of the teachings of the present utility model.
Claims (7)
1. A normally closed hanger valve with a simple structure is characterized in that: comprises a valve body (1), a valve core rod (5) and an electromagnetic driving part (2),
The valve body (1), the bottom is equipped with first nipple (41) and second nipple (42), the inside of valve body (1) is drawn out and is formed the valve pocket, the valve pocket is located the intermediate position shaping of first nipple (41) and second nipple (42) and has step (403), regard step (403) as the boundary, one side that the valve pocket is close to first nipple (41) forms normally open inner chamber (402), one side that is close to second nipple (42) forms closed inner chamber (401), the internal diameter of normally open inner chamber (402) is greater than the internal diameter of closed inner chamber (401), first nipple (41) communicate normally open inner chamber (402), second nipple (42) communicate closed inner chamber (401);
The valve core rod (5) is provided with a magnetic induction connecting part (51) at one end and a valve core head (55) at the other end, the valve core rod (5) is movably assembled in the valve cavity, the valve core head (55) is positioned in the closed inner cavity (401) in the power-off state of the normally closed hanger valve, and the valve core head (55) is in airtight fit with the inner wall of the closed inner cavity (401); when the normally closed hanger valve is in an electrified state, the valve core head (55) moves to the normally open inner cavity (402), an open gap is formed between the valve core head (55) and the normally open inner cavity (402), and the first connector (41) is communicated with the second connector (42) through the open gap;
An electromagnetic driving part (2) arranged on one side of the valve body (1) far away from the joint mouth, wherein the electromagnetic driving part (2) comprises an electromagnetic coil and a spring (52), and the electromagnetic coil is surrounded by the magnetic induction connecting part (51); the spring (52) is sleeved on the valve core rod (5), one end of the spring (52) is connected with the magnetic induction connecting part (51), and the other end of the spring is connected with the valve body (1).
2. The normally closed pylon valve of simple construction of claim 1, wherein: one side of the valve core rod (5) close to the valve core head (55) is provided with a sealing head (54), the sealing head (54) is positioned in the closed inner cavity (401), and the sealing head (54) is in airtight fit with the inner wall of the closed inner cavity (401).
3. A normally closed pylon valve of simplified construction as claimed in claim 2, wherein: the valve core rod (5) is positioned between the valve core head (55) and the sealing head (54), a young rod section (56) is formed, the outer diameter of the young rod section (56) is smaller than that of the valve core head (55), a through-flow gap is formed between the outer wall of the young rod section (56) and the inner wall of the closed inner cavity (401), and in the normally closed hanging frame valve power-on state, the through-flow gap is communicated with the normally open inner cavity (402) and forms a gas-liquid flow channel.
4. A normally closed pylon valve of simplified construction according to claim 3, wherein: and sealing rings are respectively sleeved on the outer walls of the valve core heads (55) and the sealing heads (54).
5. The normally closed pylon valve of simple construction of claim 1, wherein: the electromagnetic driving part (2) further comprises an electromagnetic shell, and a buckling pin (22) is formed at the bottom of the electromagnetic shell; the side part of the valve body (1) is formed with an everting connecting edge (11), and the electromagnetic shell is buckled on the connecting edge (11) through a buckling pin (22).
6. The normally closed pylon valve of simple construction of claim 5, wherein: one end of the valve body (1) far away from the electromagnetic driving part (2) is provided with a sealing screw (3), and the sealing screw (3) covers the valve cavity.
7. The normally closed pylon valve of simple construction of claim 1, wherein: a step (404) is formed on one side of the valve cavity, which is close to the electromagnetic driving part (2); and a limiting step (53) is formed in the middle part of the valve core rod (5), and the limiting step (53) is in limiting and propping fit with the step (404).
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221237208U true CN221237208U (en) | 2024-06-28 |
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| GR01 | Patent grant |