CN214008187U - Plug-in type relief valve - Google Patents

Plug-in type relief valve Download PDF

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Publication number
CN214008187U
CN214008187U CN202022400774.7U CN202022400774U CN214008187U CN 214008187 U CN214008187 U CN 214008187U CN 202022400774 U CN202022400774 U CN 202022400774U CN 214008187 U CN214008187 U CN 214008187U
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CN
China
Prior art keywords
valve
cavity
spring
sleeve
valve core
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Application number
CN202022400774.7U
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Chinese (zh)
Inventor
马忠杰
郑科辉
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Star Arrow Technology Co ltd
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Ningbo Xingjian Space Machinery Co ltd
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Priority to CN202022400774.7U priority Critical patent/CN214008187U/en
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Abstract

The utility model provides a plug-in type relief valve, which comprises a valve body, a valve core, a spring and a valve rod adjusting mechanism; a cavity is arranged in the valve body, the bottom of the valve body is an inlet, an outlet is arranged on the side wall of the valve body, and the outlet and the inlet are respectively communicated with the cavity; the spring is arranged in the cavity; the valve rod adjusting mechanism is arranged at one end of the valve body and is in butt joint with one end of the spring; a relief cavity is formed in the cavity, a valve core channel is arranged on the valve core, and the valve core channel is respectively communicated with the inlet and the relief cavity; the valve core is arranged in the cavity in a telescopic manner, one end of the valve core is abutted against the other end of the spring, and the other end of the valve core reciprocates in the discharge cavity through the valve clack of the valve core, so that the opening degree between the valve clack and the inner wall of the discharge cavity is adjusted; the utility model provides a scheme can effectively carry out the throttle to gas and release, has high low pressure double seal effect, can adjust opening, closing pressure differential of bleeder valve, can adjust the bleeder valve at will and open and close pressure.

Description

Plug-in type relief valve
Technical Field
The utility model belongs to the technical field of the relief valve, concretely relates to cartridge formula relief valve.
Background
In the existing engineering application field, the used gas is often required to be converted into corresponding pressure and then output, so that the purpose of use is achieved; the existing relief valve has a relatively complex structure, and the output gas pressure is not stable enough and cannot be stably regulated.
Based on the technical problems existing in the above-mentioned relief valve, no relevant solution exists; there is therefore a pressing need to find effective solutions to the above problems.
Disclosure of Invention
The utility model aims at the weak point that exists in the above-mentioned technique, provide a cartridge formula bleeder valve, aim at solving current gas release and pressure regulation's problem.
The utility model provides a plug-in type relief valve, which comprises a valve body, a valve core, a spring and a valve rod adjusting mechanism; a cavity is arranged in the valve body, the bottom of the valve body is an inlet, an outlet is arranged on the side wall of the valve body, and the outlet and the inlet are respectively communicated with the cavity; the spring is arranged in the cavity; the valve rod adjusting mechanism is arranged at one end of the valve body and is in butt joint with one end of the spring; a discharge cavity c is formed in the cavity, a valve core channel b is arranged on the valve core, and the valve core channel b is respectively communicated with the inlet and the discharge cavity c; the valve core is arranged in the cavity in a telescopic mode, one end of the valve core abuts against the other end of the spring, and the other end of the valve core reciprocates in the discharge cavity c through the valve clack a of the valve core, so that the opening degree between the valve clack a and the inner wall of the discharge cavity c is adjusted.
Furthermore, an inclined plane is formed between the discharge cavity c and the cavity, a rubber ring is arranged on the inclined plane, and an exhaust channel is formed between the valve clack a and the rubber ring; the valve clack a reciprocates in the discharge cavity c, so that the opening of the exhaust passage is adjusted.
Further, the cartridge type relief valve also comprises a spring seat; the spring seat is arranged in the cavity and positioned at the top of the spring; the valve rod adjusting mechanism comprises an adjusting sleeve and a valve rod; the adjusting sleeve is arranged at one end of the valve body and is positioned in the cavity; the valve rod is arranged in the adjusting sleeve in a telescopic mode and is abutted against the spring seat.
Furthermore, a valve core column is arranged on the valve core, a discharge channel is arranged in the valve core column, one end of the discharge channel is communicated with the cavity, and the other end of the discharge channel is communicated to one side of an air outlet of the exhaust channel; the valve core column extends into the cavity, and one end of the spring is sleeved on the valve core column.
Furthermore, the plug-in type discharge valve also comprises an inner valve sleeve, the inner valve sleeve is of a hollow structure, the inner valve sleeve is arranged in the cavity, a through cavity is arranged in the inner valve sleeve, a through hole is arranged on the side wall of the inner valve sleeve, and the through hole is communicated with the air outlet; the valve core column extends into the through cavity and enables the discharge channel to be communicated with the through cavity; the spring is arranged in the through cavity and is sleeved with the valve core column, so that the valve core can be extruded to adjust the opening degree of the exhaust channel.
Further, the valve rod adjusting mechanism comprises a locking nut, and the valve rod is connected with the internal thread of the adjusting sleeve through the external thread of the valve rod; the locking nut is sleeved on the valve rod, is positioned on the outer side of the adjusting sleeve and is used for locking the valve rod; the valve rod, the spring seat, the spring and the valve core are coaxially arranged.
Further, the inner valve sleeve is fixedly arranged in the cavity, and the residual cavity at the bottom of the inner valve sleeve forms a discharge cavity c; the valve flap a reciprocates within the relief chamber c to open or close the exhaust passage.
The utility model provides a cartridge formula bleeder valve can effectively carry out the throttle to gas and release, has high low pressure double seal effect, through form, quantity and the size that changes the fluid medium hole, reaches opening, the closing pressure difference of adjusting the bleeder valve, and accessible valve rod adjustment mechanism adjusts the bleeder valve at will and opens and close pressure.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
The present invention will be further explained with reference to the accompanying drawings:
fig. 1 is a cross-sectional view of a cartridge type relief valve of the present invention;
FIG. 2 is a schematic view of the operation of a cartridge type relief valve of the present invention;
FIG. 3 is a schematic view of the opening state of the valve flap of the plug-in bleed valve of the present invention;
FIG. 4 is a schematic view of a closed state of a valve flap of a plug-in bleed valve according to the present invention;
FIG. 5 is an enlarged view of portion A of FIG. 2;
fig. 6 is an enlarged view of a portion B of fig. 2.
In the figure: 1. a valve body; 11. an outlet; 12. an inlet; 2. a valve core; 21. a valve stem; 22. a discharge passage; 3. a spring; 4. an inner valve housing; 5. a spring seat; 6. an adjusting sleeve; 7. a valve stem; 8. locking the nut; 9. a rubber ring.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
As shown in fig. 1 to 6, the utility model provides a plug-in type relief valve, which comprises a valve body 1, a valve core 2, a spring 3 and a valve rod adjusting mechanism; a cavity is arranged in the valve body 1, an inlet 12 is arranged at the bottom of the valve body 1, an outlet 11 is arranged on the side wall of the valve body 1, and the outlet 11 and the inlet 12 are respectively communicated with the cavity; the spring 3 is arranged in the cavity; the valve rod adjusting mechanism is arranged at one end of the valve body 1 and is in butt joint with one end of the spring 3; a discharge cavity c is formed in the cavity, a valve core channel b is arranged on the valve core 2, and the valve core channel b is respectively communicated with the inlet 12 and the discharge cavity c; the valve core 2 is arranged in the cavity in a telescopic mode, one end of the valve core 2 abuts against the other end of the spring 3, and the other end of the valve core 2 reciprocates in the discharge cavity c through the valve clack a of the valve core, so that the opening degree between the valve clack a and the inner wall of the discharge cavity c is adjusted; specifically, the utility model provides a cartridge formula bleeder valve is whole cartridge formula structure, and compact structure, reasonable, accessible bolted connection install in the integrated valve piece, have the low pressure and open function, high pressure and close the function to through rotating valve rod adjustment mechanism in the valve rod, can reach the setting of opening and close pressure, thereby realize that gas is released and pressure regulation.
Preferably, in combination with the above solution, as shown in fig. 1 to 6, an inclined plane is formed between the relief cavity c and the cavity, and the inclined plane is a metal surface, i.e. a metal surface formed in the valve body 1; the inclined plane is provided with a rubber ring 9, and an exhaust passage is formed between the valve clack a and the rubber ring 9; the valve clack a reciprocates in the discharge cavity c, so that the opening of the exhaust passage is adjusted; further, the valve rod adjusting mechanism comprises an adjusting sleeve 6 and a valve rod 7; specifically, as shown in fig. 3 to 4, the valve flap is in an open state by adjusting the valve lever 7 to compress the spring; when the inlet 12 is filled with gas, the gas passes through the small holes of the valve clack and the discharge channel and is discharged to the outlet; when the inlet pressure is continuously increased, the airflow generates thrust through the throttling action of the valve core channel b, the valve clack is pushed to move upwards after the spring force is overcome until the valve clack is closed, and the pressure value at the moment is closing pressure; as the inlet 12 pressure rises again, the flap remains closed; after the valve clack is closed, when 12 pressures of the inlet are reduced to a certain value, the valve clack is opened under the action of spring force, the pressure value at the moment is opening pressure, the inclined plane is provided with a rubber ring 9 which is attached to the valve clack in a sealing mode, the inclined plane in the cavity is attached to the sealing surface of the valve clack in a pressed mode, the double sealing functions of high pressure and low pressure are achieved, and the opening and closing pressure difference of the release valve is adjusted by changing the form, the number and the size of the fluid medium holes.
Preferably, in combination with the above solution, as shown in fig. 1 to 6, the plug-in bleed valve provided by the present invention further includes a spring seat 5; the spring seat 5 is arranged in the cavity and positioned at the top of the spring 3 to play a supporting role, so that the valve rod adjusting mechanism is extruded more stably; specifically, the valve rod adjusting mechanism comprises an adjusting sleeve 6 and a valve rod 7; the adjusting sleeve 6 is arranged at one end of the valve body 1 and is positioned in the cavity; the valve rod 7 is arranged in the adjusting sleeve 6 in a telescopic mode and is abutted against the spring seat 5, so that the extrusion valve core can be adjusted through the spring seat 5, the opening and closing pressure of the relief valve can be adjusted freely by adjusting the valve rod 7, and the opening and closing pressure is locked by the locking nut 8.
Preferably, in combination with the above scheme, as shown in fig. 1 to 6, the valve core 2 is further provided with a valve core column 21, a discharge passage 22 is provided in the valve core column 21, one end of the discharge passage 22 is communicated with the cavity, the other end of the discharge passage 22 is communicated to one side of an air outlet of the exhaust passage, and the air outlet of the exhaust passage is located at one throttling air outlet end of the valve plate a and the rubber ring 9; the valve stem 21 extends into the cavity, and one end of the spring 3 is sleeved on the valve stem 21, so that the telescopic stability can be improved.
Preferably, with reference to the above scheme, as shown in fig. 1 to 6, the cartridge type bleed valve further includes an inner valve sleeve 4, the inner valve sleeve 4 is of a hollow structure, the inner valve sleeve 4 is fixedly disposed in the cavity, a through cavity is disposed in the inner valve sleeve 4, a through hole is disposed on a side wall of the inner valve sleeve 4, the through hole is communicated with the air outlet 11, and the through cavity in the inner valve sleeve 4 is further communicated with the through cavity of the discharge channel 22; specifically, the valve stem 21 extends into the through cavity and communicates the discharge passage 22 with the through cavity; the spring 3 is arranged in the through cavity and is sleeved with the valve stem 21, so that the valve core 2 can be extruded to adjust the opening degree of the exhaust channel.
Preferably, in combination with the above solution, as shown in fig. 1 to 6, the valve stem adjusting mechanism comprises a lock nut 8, and the valve stem 7 is connected with the internal thread of the adjusting sleeve 6 through the external thread thereof; the locking nut 8 is sleeved on the valve rod 7, is positioned on the outer side of the adjusting sleeve 6 and is used for locking the valve rod 7; the valve rod 7, the spring seat 5, the spring 3 and the valve core are coaxially arranged, so that the adjusting function can be achieved through stretching, and the valve rod can be positioned and locked through the locking and locking nut 8 after being adjusted.
Preferably, in combination with the above scheme, as shown in fig. 1 to 6, the inner valve sleeve 4 is fixedly disposed in the cavity, and the remaining cavity at the bottom of the inner valve sleeve 4 forms a discharge cavity c; the valve clack a reciprocates in the discharge cavity c so as to open or close the exhaust passage; specifically, as shown in fig. 1 to 4, the inner valve sleeve 4 is fixedly disposed at a local portion in the cavity, the remaining cavity is a discharge cavity c, an inner diameter of the discharge cavity c is larger than an inner diameter of the through cavity, the through cavity in the inner valve sleeve 4 and the remaining cavity form a step surface, the step surface is an inclined surface, and the inclined surface is sleeved with the rubber ring 9.
The utility model provides a cartridge formula bleeder valve can effectively carry out the throttle to gas and release, has high low pressure double seal effect, through form, quantity and the size that changes the fluid medium hole, reaches opening, the closing pressure difference of adjusting the bleeder valve, and accessible valve rod adjustment mechanism adjusts the bleeder valve at will and opens and close pressure.
The foregoing is merely a preferred embodiment of the invention and is not intended to limit the invention in any way. The technical solutions of the present invention can be used by anyone skilled in the art to make many possible variations and modifications to the technical solution of the present invention, or to modify equivalent embodiments with equivalent variations, without departing from the scope of the technical solution of the present invention. Therefore, any modification, equivalent change and modification of the above embodiments according to the present invention are all within the protection scope of the present invention.

Claims (7)

1. A cartridge type relief valve is characterized by comprising a valve body (1), a valve core (2), a spring (3) and a valve rod adjusting mechanism; a cavity is arranged in the valve body (1), an inlet (12) is arranged at the bottom of the valve body (1), an outlet (11) is arranged on the side wall of the valve body (1), and the outlet (11) and the inlet (12) are respectively communicated with the cavity; the spring (3) is arranged in the cavity; the valve rod adjusting mechanism is arranged at one end of the valve body (1) and is in butt joint with one end of the spring (3); a relief cavity (c) is formed in the cavity, a valve core channel (b) is arranged on the valve core (2), and the valve core channel (b) is respectively communicated with the inlet (12) and the relief cavity (c); the valve core (2) is arranged in the cavity in a telescopic mode, one end of the valve core (2) is abutted to the other end of the spring (3), and the other end of the valve core (2) moves in the discharge cavity (c) in a reciprocating mode through the valve clack (a) of the valve core, so that the opening degree between the valve clack (a) and the inner wall of the discharge cavity (c) is adjusted.
2. A cartridge-type relief valve according to claim 1, characterized in that a slope is formed between the relief chamber (c) and the chamber body, a rubber ring (9) is provided on the slope, and an exhaust passage is formed between the valve flap (a) and the rubber ring (9); the valve clack (a) reciprocates in the discharge cavity (c) so as to adjust the opening size of the exhaust passage.
3. A cartridge bleed valve according to claim 1 or 2, characterised in that the cartridge bleed valve further comprises a spring seat (5); the spring seat (5) is arranged in the cavity and is positioned at the top of the spring (3); the valve rod adjusting mechanism comprises an adjusting sleeve (6) and a valve rod (7); the adjusting sleeve (6) is arranged at one end of the valve body (1) and is positioned in the cavity; the valve rod (7) is arranged in the adjusting sleeve (6) in a telescopic mode and is abutted to the spring seat (5).
4. The cartridge type relief valve according to claim 2, wherein the valve core (2) is further provided with a valve core column (21), a discharge channel (22) is arranged in the valve core column (21), one end of the discharge channel (22) is communicated with the cavity, and the other end of the discharge channel (22) is communicated to the air outlet side of the exhaust channel; the valve stem (21) extends into the cavity, and one end of the spring (3) is sleeved on the valve stem (21).
5. A cartridge type relief valve according to claim 4, characterized in that the cartridge type relief valve further comprises an inner valve sleeve (4), the inner valve sleeve (4) is of a hollow structure, the inner valve sleeve (4) is arranged in the cavity, a through cavity is arranged in the inner valve sleeve (4), a side wall of the inner valve sleeve (4) is provided with a through hole, and the through hole is communicated with the outlet (11); the valve stem (21) extending into the through cavity and placing the discharge channel (22) in communication with the through cavity; the spring (3) is arranged in the through cavity and sleeved with the valve stem (21), so that the valve core (2) can be extruded to adjust the opening of the exhaust channel.
6. A cartridge bleed valve according to claim 3, characterised in that the valve stem adjustment mechanism comprises a locking nut (8), the valve stem (7) being connected by its external thread with an internal thread of the adjustment sleeve (6); the locking nut (8) is sleeved on the valve rod (7), is positioned on the outer side of the adjusting sleeve (6) and is used for locking the valve rod (7); the valve rod (7), the spring seat (5), the spring (3) and the valve core are coaxially arranged.
7. A cartridge bleed valve according to claim 5, characterised in that the inner valve sleeve (4) is fixedly arranged in the cavity, the remaining cavity at the bottom of the inner valve sleeve (4) forming the bleed cavity (c); the valve flap (a) reciprocates within the bleed chamber (c) to open or close the exhaust passage.
CN202022400774.7U 2020-10-26 2020-10-26 Plug-in type relief valve Active CN214008187U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022400774.7U CN214008187U (en) 2020-10-26 2020-10-26 Plug-in type relief valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022400774.7U CN214008187U (en) 2020-10-26 2020-10-26 Plug-in type relief valve

Publications (1)

Publication Number Publication Date
CN214008187U true CN214008187U (en) 2021-08-20

Family

ID=77301330

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022400774.7U Active CN214008187U (en) 2020-10-26 2020-10-26 Plug-in type relief valve

Country Status (1)

Country Link
CN (1) CN214008187U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114110220A (en) * 2021-11-10 2022-03-01 北京星际荣耀科技有限责任公司 Valve of engine and engine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114110220A (en) * 2021-11-10 2022-03-01 北京星际荣耀科技有限责任公司 Valve of engine and engine

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GR01 Patent grant
GR01 Patent grant
CP03 Change of name, title or address

Address after: 315000 Xiyang village, Shiqi street, Haishu District, Ningbo City, Zhejiang Province

Patentee after: Star Arrow Technology Co.,Ltd.

Address before: Xiyang village, Shiqi street, Haishu District, Ningbo City, Zhejiang Province

Patentee before: NINGBO XINGJIAN SPACE MACHINERY Co.,Ltd.

CP03 Change of name, title or address