CN210397296U - Two-stage high-precision pressure regulator - Google Patents
Two-stage high-precision pressure regulator Download PDFInfo
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- CN210397296U CN210397296U CN201921475007.3U CN201921475007U CN210397296U CN 210397296 U CN210397296 U CN 210397296U CN 201921475007 U CN201921475007 U CN 201921475007U CN 210397296 U CN210397296 U CN 210397296U
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Abstract
The utility model discloses a two-stage high accuracy voltage regulator belongs to the voltage regulator field. A two-stage high-precision pressure regulator comprises a first valve body; the connector with a valve outlet is fixedly connected to one end of the first valve body; the second valve body is fixedly connected to the other end of the first valve body; the valve inlet is arranged at the lower end of the second valve body; the valve seat body is fixedly connected in the first valve body, and a first channel is formed in the valve seat body; the utility model discloses first diaphragm ring and the first spring of second diaphragm ring fixed clamp cooperation realize the position adjustment to the valve barrel in second passageway and the third passageway, thereby realize with the cooperation opening size of first passageway, realize pressure regulation, meanwhile realize switching on of third passageway and upper cover through connecting block and fourth passageway, and the first pressure regulating cover that is equipped with in the upper cover realizes adjusting the export aperture of first passageway, thereby realize further pressure regulation, the two-stage is adjusted, adjust the precision height, satisfy the pressure regulating in the field of petrochemical at present.
Description
Technical Field
The utility model relates to a voltage regulator technical field especially relates to a two-stage high accuracy voltage regulator.
Background
The hydraulic system is often required to be provided with a pressure regulating valve to regulate the pressure of fluid in the system, the pressure regulating valve generally adopts pressure difference feedback control pressure regulation, the adjustment of outlet pressure is realized by intercepting through regulating the opening degree of a valve flap assembly, a required pressure value is stabilized, the outlet pressure is balanced with the force of an adjustable main spring as control pressure, the adjustable main spring controls the opening degree of the valve flap assembly, and therefore the three are in a balanced relation; particularly, the pressure regulating valve is also needed in the field of petrochemical engineering machinery, the pressure regulating precision in the field of petrochemical engineering machinery has higher requirements, and the existing pressure regulating valves can only carry out coarse pressure regulation and are not high in regulating precision, so that the requirements of the existing pressure regulating valves cannot be met.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem in the prior art and providing a two-stage high accuracy voltage regulator.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a two-stage high-precision voltage regulator comprises
A first valve body;
the connector with a valve outlet is fixedly connected to one end of the first valve body;
the second valve body is fixedly connected to the other end of the first valve body;
the valve inlet is arranged at the lower end of the second valve body;
the valve seat body is fixedly connected in the first valve body, and a first channel is formed in the valve seat body;
a valve sleeve which is connected on the second valve body in a sliding and sealing way, one end of the valve sleeve is arranged in the second valve body and communicated with the connector, the other end of the valve sleeve is arranged in the first valve body and matched with the valve seat body,
wherein
The first valve body and the second valve body are respectively provided with a second channel and a third channel which are communicated with each other;
the first diaphragm ring and the second diaphragm ring are fixedly sleeved on the valve sleeve;
the outer ring of the first diaphragm is fixedly connected between the first valve body and the second valve body, and the inner ring of the first diaphragm is fixedly connected between the first diaphragm ring and the second diaphragm ring;
one end of the first spring is fixedly connected to the first diaphragm ring, and the other end of the first spring is fixedly connected to the inner wall of the third channel;
the upper cover is fixedly connected to the first valve body;
the first pressure regulating sleeve is connected in the upper cover through a second spring, and the lower end of the first pressure regulating sleeve is matched with the first channel;
the first diaphragm protection ring is fixedly connected to the first pressure regulating sleeve;
the outer ring of the second diaphragm is fixedly connected between the upper cover and the first valve body, and the inner ring of the second diaphragm is fixedly connected between the first diaphragm protection ring and the first pressure regulating sleeve;
and the connecting block is fixedly connected with the first valve body, the second valve body and the upper cover, and a fourth channel communicated with the third channel and the upper cover is formed in the connecting block.
Preferably, the connecting block is fixedly connected to the second valve body through a fixing screw, and a fifth channel communicated with the third channel and the fourth channel is formed in the fixing screw.
Preferably, first valve body lower extreme fixedly connected with connector, the connector lower extreme can be dismantled and be connected with the spring housing, be equipped with second pressure regulating cover in the connector, fixedly connected with second diaphragm protection ring is sheathe in to the second pressure regulating, the fixed cover has been cup jointed the third diaphragm between second diaphragm protection ring and the second pressure regulating cover, third diaphragm outer lane fixed connection is between connector and first valve body, be connected with the third spring in the spring housing, fixedly connected with and the second pressure regulating cover connecting plate that links to each other on the third spring.
Preferably, the second pressure regulating sleeve is fixedly connected with a clamping block, and the connecting plate is provided with a clamping groove matched with the clamping block.
Preferably, sliding connection has the regulating plate in the spring housing, threaded connection adjusting bolt is gone up to the spring housing, adjusting bolt locking end with the regulating plate rotate and link to each other.
Preferably, the spring housing is screwed on the connecting body.
Preferably, a first sealing ring is arranged between the spring sleeve and the connecting body.
Preferably, be equipped with the second sealing washer between connector and the first valve body, be equipped with the third sealing washer between valve seat body and the first valve body.
Preferably, a pressure relief plug is connected to the second valve body.
Preferably, a fourth sealing ring is arranged between the pressure relief plug and the second valve body.
Compared with the prior art, the utility model provides a two-stage high accuracy voltage regulator possesses following beneficial effect:
1. the two-stage high-precision pressure regulator is formed by fixedly connecting a first valve body and a second valve body, liquid flows in from a valve inlet port and flows out from a connector with a valve outlet port, liquid conduction is realized by matching a first channel and a valve sleeve, a first diaphragm is fixedly clamped by a first diaphragm ring and a second diaphragm ring in a second channel and a third channel and is matched with a first spring to realize position adjustment of the valve sleeve, so that the size of a matched opening of the first channel is realized, pressure adjustment is realized, meanwhile, the conduction of the third channel and an upper cover is realized through a connecting block and a fourth channel, and a first pressure regulating sleeve arranged in the upper cover realizes regulation of the opening degree of an outlet of the first channel, so that further pressure regulation is realized, two-stage regulation is realized, the regulation precision is high, and the pressure regulation in the field of current petrochemical engineering is satisfied.
2. This two-stage high accuracy voltage regulator realizes linking to each other firmly of connecting block and second valve body through set screw.
3. This two-stage high accuracy voltage regulator can dismantle the connection spring housing through the connector, is equipped with second pressure regulating cover in the spring housing, utilizes second pressure regulating cover, third diaphragm to carry out the pressure regulating once more, improves the pressure regulating precision, and this spring housing detachable connects on the connector in addition, to different work condition, only needs the change third spring can satisfy the pressure regulating performance, increases the suitability of product.
4. This two-stage high accuracy voltage regulator sheathes fixedly connected with fixture block through the second pressure regulating, offers the draw-in groove that matches with the fixture block on the connecting plate, realizes that the chucking links to each other.
5. This two-stage high accuracy voltage regulator has the regulating plate through sliding connection in the spring housing, threaded connection adjusting bolt on the spring housing, and adjusting bolt locking end rotates with the regulating plate and links to each other, can realize adjusting pressure.
6. This two-stage high accuracy voltage regulator, through spring housing threaded connection on the connector, be convenient for can dismantle continuous.
7. This two-stage high accuracy voltage regulator is equipped with first sealing washer through spring housing and connector between, starts sealed effect.
8. This two-stage high accuracy voltage regulator is equipped with the second sealing washer through being equipped with between connector and the first valve body, is equipped with the third sealing washer between the valve seat body and the first valve body, plays sealed effect.
9. This two-stage high accuracy voltage regulator is connected with the pressure release stopper through the second valve body, realizes the pressure release.
10. This two-stage high accuracy voltage regulator is equipped with the fourth sealing washer through between pressure relief plug and the second valve body, plays sealed effect.
Drawings
Fig. 1 is the utility model provides a structural schematic diagram of two-stage high accuracy voltage regulator.
In the figure: 1. a first valve body; 101. a second channel; 2. a connector; 3. a second valve body; 301. a third channel; 4. a valve inlet port; 5. a valve seat body; 501. a first channel; 6. a valve housing; 7. a first diaphragm ring; 8. a second diaphragm ring; 9. a first diaphragm; 10. a first spring; 11. an upper cover; 12. a first pressure regulating sleeve; 13. a second spring; 14. a second diaphragm; 15. connecting blocks; 1501. a fourth channel; 16. a set screw; 1601. a fifth channel; 17. a linker; 18. a spring housing; 19. a second diaphragm protection ring; 20. a third diaphragm; 21. a third spring; 22. a connecting plate; 2201. a card slot; 23. a second pressure regulating sleeve; 2301. a clamping block; 24. an adjusting plate; 25. adjusting the bolt; 26. a first seal ring; 27. a second seal ring; 28. a third seal ring; 29. a pressure relief plug; 30. a fourth seal ring; 31. a first diaphragm protection ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to fig. 1, a two-stage high precision voltage regulator includes
A first valve body 1;
the connector 2 with a valve outlet is fixedly connected with one end of the first valve body 1;
the second valve body 3 is fixedly connected to the other end of the first valve body 1;
the valve inlet 4 is arranged at the lower end of the second valve body 3;
the valve seat body 5 is fixedly connected in the first valve body 1, and a first channel 501 is formed in the valve seat body 5;
a valve sleeve 6 which is connected on the second valve body 3 in a sliding and sealing way, one end of the valve sleeve is arranged in the second valve body 3 and communicated with the connector 2, the other end of the valve sleeve is arranged in the first valve body 1 and matched with the valve seat body 5,
wherein
The first valve body 1 and the second valve body 3 are respectively provided with a second channel 101 and a third channel 301 which are communicated with each other;
a first diaphragm ring 7 and a second diaphragm ring 8 which are fixedly sleeved on the valve sleeve 6;
the outer ring of the first diaphragm 9 is fixedly connected between the first valve body 1 and the second valve body 3, and the inner ring of the first diaphragm 9 is fixedly connected between the first diaphragm ring 7 and the second diaphragm ring 8;
a first spring 10 having one end fixedly connected to the first diaphragm ring 7 and the other end fixedly connected to the inner wall of the third passage 301;
the upper cover 11 is fixedly connected to the first valve body 1;
the first pressure regulating sleeve 12 is connected in the upper cover 11 through a second spring 13, and the lower end of the first pressure regulating sleeve 12 is matched with the first channel 501;
a first diaphragm protection ring 31 fixedly connected to the first pressure regulating sleeve 12;
the outer ring of the second diaphragm 14 is fixedly connected between the upper cover 11 and the first valve body 1, and the inner ring of the second diaphragm 14 is fixedly connected between the first diaphragm protection ring 31 and the first pressure regulating sleeve 12;
the connecting block 15 is fixedly connected with the first valve body 1, the second valve body 3 and the upper cover 11, and a fourth channel 1501 communicated with the third channel 301 and the upper cover 11 is formed in the connecting block 15;
the valve comprises a first valve body 1 and a second valve body 3 which are fixedly connected, liquid flows in from a valve inlet 4 and flows out from a connector 2 with a valve outlet, the liquid is communicated by matching a first channel 501 with a valve sleeve 6, a first diaphragm 9 is fixedly clamped by a first diaphragm ring 7 and a second diaphragm ring 8 in a second channel 101 and a third channel 301 and is matched with a first spring 10 to adjust the position of the valve sleeve 6, so that the size of a matched opening of the first channel 501 is realized, pressure adjustment is realized, meanwhile, the third channel 301 is communicated with an upper cover 11 through a connecting block 15 and a fourth channel 1501, and a first pressure regulating sleeve 12 arranged in the upper cover 11 realizes regulation of the opening degree of an outlet of the first channel 501, so that further pressure regulation is realized, two-stage regulation is realized, the regulation precision is high, and pressure regulation in the field of current petrochemical engineering is satisfied.
The connecting block 15 is fixedly connected to the second valve body 3 through a fixing screw 16, a fifth channel 1601 communicated with the third channel 301 and the fourth channel 1501 is formed in the fixing screw 16, and the connecting block 15 is stably connected with the second valve body 3 through the fixing screw 16.
The lower end of the first valve body 1 is fixedly connected with a connecting body 17, the lower end of the connecting body 17 is detachably connected with a spring sleeve 18, a second pressure regulating sleeve 23 is arranged in the connecting body 17, a second diaphragm protection ring 19 is fixedly connected to the second pressure regulating sleeve 23, a third diaphragm 20 is fixedly sleeved between the second diaphragm protection ring 19 and the second pressure regulating sleeve 23, the outer ring of the third diaphragm 20 is fixedly connected between the connecting body 17 and the first valve body 1, a third spring 21 is connected to the spring sleeve 18, and a connecting plate 22 connected with the second pressure regulating sleeve 23 is fixedly connected to the third spring 21; connect spring housing 18 through connector 17 detachable, be equipped with second pressure regulating cover 23 in the spring housing 18, utilize second pressure regulating cover 23, third diaphragm 20 to carry out the pressure regulating once more, improve the pressure regulating precision, this spring housing 18 detachable connects on connector 17 in addition, to different operating modes, only needs the change third spring 21 can satisfy the pressure regulating performance, increases the suitability of product.
A clamping block 2301 is fixedly connected to the second pressure regulating sleeve 23, and a clamping groove 2201 matched with the clamping block 2301 is formed in the connecting plate 22 to realize clamping connection.
An adjusting plate 24 is slidably connected in the spring sleeve 18, an adjusting bolt 25 is in threaded connection with the spring sleeve 18, and the locking end of the adjusting bolt 25 is rotatably connected with the adjusting plate 24, so that pressure adjustment can be realized.
The spring housing 18 is screwed to the connecting body 17 for detachable connection.
A first sealing ring 26 is arranged between the spring housing 18 and the connecting body 17 to start the sealing effect.
A second sealing ring 27 is arranged between the connector 2 and the first valve body 1, and a third sealing ring 28 is arranged between the valve seat body 5 and the first valve body 1, so that a sealing effect is achieved.
The second valve body 3 is connected with a pressure relief plug 29 for realizing pressure relief.
A fourth seal ring 30 is provided between the pressure relief plug 29 and the second valve body 3 to provide a sealing effect.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (10)
1. A two-stage high-precision voltage regulator is characterized by comprising
A first valve body (1);
the connector (2) with a valve outlet is fixedly connected to one end of the first valve body (1);
the second valve body (3) is fixedly connected to the other end of the first valve body (1);
the valve inlet (4) is arranged at the lower end of the second valve body (3);
the valve seat body (5) is fixedly connected in the first valve body (1), and a first channel (501) is formed in the valve seat body (5);
a valve sleeve (6) which is connected on the second valve body (3) in a sliding and sealing way, one end of the valve sleeve is arranged in the second valve body (3) and communicated with the connector (2), the other end of the valve sleeve is arranged in the first valve body (1) and matched with the valve seat body (5),
wherein
A second channel (101) and a third channel (301) which are communicated with each other are respectively arranged on the first valve body (1) and the second valve body (3);
the first diaphragm ring (7) and the second diaphragm ring (8) are fixedly sleeved on the valve sleeve (6);
the outer ring of the first diaphragm (9) is fixedly connected between the first valve body (1) and the second valve body (3), and the inner ring of the first diaphragm (9) is fixedly connected between the first diaphragm ring (7) and the second diaphragm ring (8);
one end of the first spring (10) is fixedly connected to the first diaphragm ring (7), and the other end of the first spring is fixedly connected to the inner wall of the third channel (301);
the upper cover (11) is fixedly connected to the first valve body (1);
the first pressure regulating sleeve (12) is connected in the upper cover (11) through a second spring (13), and the lower end of the first pressure regulating sleeve (12) is matched with the first channel (501);
a first diaphragm protection ring (31) fixedly connected to the first pressure regulating sleeve (12);
the outer ring of the second diaphragm (14) is fixedly connected between the upper cover (11) and the first valve body (1), and the inner ring of the second diaphragm is fixedly connected between the first diaphragm protection ring (31) and the first pressure regulating sleeve (12);
the connecting block (15) is fixedly connected with the first valve body (1), the second valve body (3) and the upper cover (11), and a fourth channel (1501) communicated with the third channel (301) and the upper cover (11) is formed in the connecting block (15).
2. A two-stage high precision pressure regulator according to claim 1, characterized in that the connecting block (15) is fixedly connected to the second valve body (3) by a fixing screw (16), and the fixing screw (16) is provided with a fifth channel (1601) communicated with the third channel (301) and the fourth channel (1501).
3. A two-stage high-precision pressure regulator according to claim 1, wherein the lower end of the first valve body (1) is fixedly connected with a connecting body (17), the lower end of the connecting body (17) is detachably connected with a spring sleeve (18), a second pressure regulating sleeve (23) is arranged in the connecting body (17), a second diaphragm protecting ring (19) is fixedly connected to the second pressure regulating sleeve (23), a third diaphragm (20) is fixedly sleeved between the second diaphragm protecting ring (19) and the second pressure regulating sleeve (23), the outer ring of the third diaphragm (20) is fixedly connected between the connecting body (17) and the first valve body (1), a third spring (21) is connected to the spring sleeve (18), and a connecting plate (22) connected with the second pressure regulating sleeve (23) is fixedly connected to the third spring (21).
4. A two-stage high precision pressure regulator according to claim 3, characterized in that a clamping block (2301) is fixedly connected to the second pressure regulating sleeve (23), and a clamping groove (2201) matched with the clamping block (2301) is formed on the connecting plate (22).
5. A two-stage high accuracy voltage regulator according to claim 3 wherein said spring housing (18) has an adjustment plate (24) slidably mounted therein, said spring housing (18) having an adjustment bolt (25) threadedly mounted thereon, said adjustment bolt (25) having a locking end rotatably connected to said adjustment plate (24).
6. A two-stage high accuracy pressure regulator according to claim 3 wherein said spring housing (18) is threaded onto said connecting body (17).
7. A two-stage high accuracy pressure regulator according to claim 6, characterized in that a first sealing ring (26) is provided between said spring housing (18) and said connecting body (17).
8. A two-stage high accuracy pressure regulator according to any of claims 1-7, characterized in that a second sealing ring (27) is provided between the connection head (2) and the first valve body (1), and a third sealing ring (28) is provided between the valve seat body (5) and the first valve body (1).
9. A two-stage high accuracy pressure regulator according to any of claims 1-7 characterized in that a pressure relief plug (29) is connected to said second valve body (3).
10. A two-stage high accuracy pressure regulator according to claim 9, characterized in that a fourth sealing ring (30) is provided between said pressure relief plug (29) and said second valve body (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921475007.3U CN210397296U (en) | 2019-09-06 | 2019-09-06 | Two-stage high-precision pressure regulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921475007.3U CN210397296U (en) | 2019-09-06 | 2019-09-06 | Two-stage high-precision pressure regulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210397296U true CN210397296U (en) | 2020-04-24 |
Family
ID=70340270
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921475007.3U Active CN210397296U (en) | 2019-09-06 | 2019-09-06 | Two-stage high-precision pressure regulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210397296U (en) |
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2019
- 2019-09-06 CN CN201921475007.3U patent/CN210397296U/en active Active
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