CN216812857U - Pressure reducing valve capable of manually adjusting pre-pressure - Google Patents
Pressure reducing valve capable of manually adjusting pre-pressure Download PDFInfo
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- CN216812857U CN216812857U CN202122729324.7U CN202122729324U CN216812857U CN 216812857 U CN216812857 U CN 216812857U CN 202122729324 U CN202122729324 U CN 202122729324U CN 216812857 U CN216812857 U CN 216812857U
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Abstract
The utility model discloses a pressure reducing valve capable of manually adjusting prepressing force, which comprises a base, a sleeve and a valve sleeve, wherein a movable hole is formed in the center of the upper end face of the base, a sealing ring is arranged on the outer side close to the upper end of the movable hole, a plurality of first connecting holes are formed in the edge, close to the upper end face of the base, of one side of the sealing ring, a tangent plane is arranged in the center of the front wall of the base, an exhaust pipe is fixedly connected to the center of the front wall of the tangent plane, a connecting disc is fixedly connected to the front end of the exhaust pipe, a steam inlet hole is formed in the center of the lower inner wall of the movable hole and penetrates through the lower inner wall of the movable hole, and a steam inlet pipe is arranged in the center of the lower wall of the base. The valve rod is provided with the screw rod capable of adjusting the pre-tightening force of the spring, the pressure of the valve rod on the steam inlet hole is controlled by adjusting the pressure of the spring, and the valve rod is suitable for pipelines with different pressures, wide in application range and convenient to adjust.
Description
Technical Field
The utility model relates to the field of pressure reducing valves, in particular to a pressure reducing valve capable of manually adjusting pre-pressure.
Background
The pressure reducing valve is a common device capable of reducing the output pressure of upstream liquid or gas media, so as to avoid the influence on the performance and service life of equipment, tools and instruments due to overhigh pressure of the media. The traditional pressure reducing valve has the disadvantages of complex structure, larger volume and high cost, and limits some applicable groups and occasions. If a tap water pressure reducing valve is additionally arranged at the entrance end of a main water supply pipeline of a residential building, the water safety of a bottom user can be ensured at a low pressure and a constant pressure, the economic loss caused by pipe explosion and water leakage is avoided, the water supply pressure of the main water supply pipeline can be increased, and the water pressure requirement of a higher user is ensured.
The opening degree of the throttle valve core of the pressure reducing valve determines the pressure reducing ratio between the pressure of the input end and the pressure of the output end of the pressure reducing valve, the opening degree of the throttle valve core of the pressure reducing valve in the prior art is determined during production according to the pressure reducing ratio specification, the output pressure of the pressure reducing valve is not adjustable during application, and the phenomenon of uneven pressure is easy to occur during use.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art and provides a pressure reducing valve capable of manually adjusting pre-pressure.
In order to achieve the purpose, the utility model adopts the following technical scheme: a pressure reducing valve capable of manually adjusting pre-pressure comprises a base, a sleeve and a valve sleeve, wherein a movable hole is formed in the center of the upper end face of the base, a sealing ring is arranged on the outer side close to the upper end of the movable hole, a plurality of first connecting holes are formed in the edge, close to the upper end face of the base, of one side of the sealing ring, a tangent plane is arranged at the center of the front wall of the base, an exhaust pipe is fixedly connected to the center of the front wall of the tangent plane, a connecting disc is fixedly connected to the front end of the exhaust pipe, a steam inlet hole is formed in the center of the lower inner wall of the movable hole and penetrates through the lower inner wall of the movable hole, a steam inlet pipe is arranged at the center of the lower wall of the base, a connecting seat is arranged at the center of the upper end of the sleeve, a fixing sleeve is arranged at the upper end of the connecting seat, a lead screw is arranged at the upper end of the fixing sleeve, and a connecting sleeve is fixedly connected to the upper end of the lead screw, the upper end of the connecting sleeve is provided with a cross rod, and the lower end of the screw rod penetrates through the connecting seat;
the telescopic lower extreme is provided with first ring flange, the inside spring that is provided with in upper end of valve barrel, the upper end of spring is provided with the fixed plate, be provided with the stopper on the valve barrel inside wall, the upper end of stopper is provided with the valve plate, the lower extreme of valve barrel is provided with the second ring flange, the lower extreme of valve plate is provided with the roof, the lower wall center department of roof is provided with the valve rod, the inside of second ring flange is provided with the rubber pad by the lower extreme, the lower wall center department of rubber pad is provided with the gasket, the lower extreme of valve rod runs through rubber pad and gasket in proper order.
As a further description of the above technical solution:
and four fixing holes are formed in the side wall of the connecting disc.
As a further description of the above technical solution:
the shape of the lower end of the valve rod is conical, and the valve rod is matched with the steam inlet hole.
As a further description of the above technical solution:
a round hole is formed in the center of the upper end face of the fixing plate, and the lower end of the screw rod is directly placed in the round hole in the center of the upper end face of the fixing plate.
As a further description of the above technical solution:
the upper end face of the first flange plate is provided with a plurality of second connecting holes, the number of the second connecting holes is eight, and the second connecting holes penetrate through the first flange plate.
As a further description of the above technical solution:
the lower end of the valve plate is arc-shaped.
As a further description of the above technical solution:
the upper end of the valve rod is fixedly connected to the lower wall of the top plate.
As a further description of the above technical solution:
the fixed sleeve consists of a disc and a rectangle.
The utility model has the following beneficial effects:
compared with the existing arrangement, the steam inlet valve has the advantages that the valve rod is arranged at the lower end of the spring, the lower end of the valve rod is matched and connected with the steam inlet hole, and the valve rod can be opened and closed according to the pressure inside the steam inlet pipe during use.
Compared with the existing arrangement, the utility model has the advantages that the fixed plate connected through the lead screw is arranged at the upper end of the spring in the sleeve, and the lead screw is controlled to rotate by screwing the cross rod when in use, so that the pre-tightening force of the spring is adjusted, the adjustment can be carried out according to the pressure in the steam inlet pipe, and the use is convenient.
Drawings
FIG. 1 is a front cross-sectional view of a pressure reducing valve with manually adjustable pre-pressure in accordance with the present invention;
FIG. 2 is a front view of a pressure reducing valve with manually adjustable pre-pressure in accordance with the present invention;
FIG. 3 is a top view of a pressure reducing valve with manually adjustable pre-pressure according to the present invention;
FIG. 4 is a top view of a pressure reducing valve with manually adjustable pre-pressure in accordance with the present invention;
FIG. 5 is a top view of a pressure reducing valve with manually adjustable pre-pressure in accordance with the present invention;
fig. 6 is a top view of a pressure reducing valve according to the present invention, in which the pre-pressure can be manually adjusted.
Illustration of the drawings:
1. a first connection hole; 2. a seal ring; 3. a base; 4. a connecting disc; 5. a fixing hole; 6. a steam exhaust pipe; 7. cutting into noodles; 8. a steam inlet hole; 9. a steam inlet pipe; 10. a cross bar; 11. connecting sleeves; 12. fixing a sleeve; 13. a first flange plate; 14. a second connection hole; 15. a sleeve; 16. a screw rod; 17. a spring; 18. a valve housing; 19. a second flange plate; 20. a valve stem; 21. a gasket; 22. a fixing plate; 23. a valve plate; 24. a limiting block; 25. a top plate; 26. a rubber pad; 27. a movable hole; 28. a connecting seat.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., 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, but 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 thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-6, one embodiment of the present invention is provided: a pressure reducing valve capable of manually adjusting pre-pressure comprises a base 3, a sleeve 15 and a valve sleeve 18, wherein a movable hole 27 is formed in the center of the upper end face of the base 3, a sealing ring 2 is arranged on the outer side close to the upper end of the movable hole 27, a plurality of first connecting holes 1 are formed in the edge, close to the upper end face of the base 3, of one side of the sealing ring 2, a tangent plane 7 is arranged in the center of the front wall of the base 3, a steam exhaust pipe 6 is fixedly connected to the center of the front wall of the tangent plane 7, a connecting disc 4 is fixedly connected to the front end of the steam exhaust pipe 6, four fixing holes 5 are formed in the side wall of the connecting disc 4, a steam inlet hole 8 is formed in the center of the lower inner wall of the movable hole 27, the steam inlet hole 8 penetrates through the lower inner wall of the movable hole 27, a steam inlet pipe 9 is arranged in the center of the lower wall of the base 3, a connecting seat 28 is arranged in the center of the upper end of the sleeve 15, a fixing sleeve 12 is arranged at the upper end of the connecting seat 28, the fixing sleeve 12 is composed of a disc and a rectangle, the upper end of the fixed sleeve 12 is provided with a screw rod 16, the upper end of the screw rod 16 is fixedly connected with a connecting sleeve 11, the upper end of the connecting sleeve 11 is provided with a cross rod 10, the lower end of the screw rod 16 penetrates through a connecting seat 28, the connecting seat 28 and the screw rod 16 are in threaded connection, and the distance of the screw rod 16 penetrating through the connecting seat 28 is adjusted by rotating the cross rod 10;
a first flange plate 13 is arranged at the lower end of the sleeve 15, a plurality of second connecting holes 14 are arranged on the upper end surface of the first flange plate 13, the number of the second connecting holes 14 is eight, the eight second connecting holes 14 all penetrate through the first flange plate 13, a spring 17 is arranged inside the upper end of the valve sleeve 18, a fixing plate 22 is arranged at the upper end of the spring 17, a round hole is arranged at the center of the upper end surface of the fixing plate 22, the lower end of the lead screw 16 is directly placed in the round hole at the center of the upper end surface of the fixing plate 22, a limiting block 24 is arranged on the inner side wall of the valve sleeve 18, a valve plate 23 is arranged at the upper end of the limiting block 24, the lower end of the valve plate 23 is arc-shaped, a second flange plate 19 is arranged at the lower end of the valve sleeve 18, a top plate 25 is arranged at the lower end of the valve plate 23, a valve rod 20 is arranged at the center of the lower wall of the top plate 25, the upper end of the valve rod 20 is fixedly connected to the lower wall of the top plate 25, and a rubber pad 26 is arranged inside the second flange plate 19, the gasket 21 is arranged at the center of the lower wall of the rubber gasket 26, the lower end of the valve rod 20 sequentially penetrates through the rubber gasket 26 and the gasket 21, the lower end of the valve rod 20 is conical, the valve rod 20 is matched with the steam inlet hole 8, the lower end of the valve rod 20 blocks the steam inlet hole 8, and the valve rod is opened and closed according to the pressure inside the steam inlet hole 8.
The working principle is as follows: the utility model relates to a pressure reducing valve capable of manually adjusting pre-pressure, which is characterized in that when in use, the lower end of a spring 17 is placed in a valve sleeve 18 with an internal valve plate 23, a sleeve 15 is fixedly connected with the valve sleeve 18, the lower end of a screw rod 16 penetrates through a connecting seat 28, the lower end of the screw rod 16 directly acts in a circular hole in the center of the upper end face of a fixing plate 22, the pre-pressure of the screw rod 16 on the spring 17 is controlled by manually rotating a cross rod 10, the spring 17 is compressed downwards in the valve sleeve 18, and the pressure of a valve rod 20 on a steam inlet hole 8 is adjusted.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.
Claims (8)
1. A pressure reducing valve capable of manually adjusting pre-pressure comprises a base (3), a sleeve (15) and a valve sleeve (18), and is characterized in that: the upper end face center of the base (3) is provided with a movable hole (27), the movable hole (27) is close to the outer side of the upper end of the movable hole (27), a sealing ring (2) is arranged on the outer side of the upper end of the movable hole (27), a plurality of first connecting holes (1) are arranged on the edge of one side of the sealing ring (2) close to the upper end face of the base (3), a tangent plane (7) is arranged on the center of the front wall of the base (3), a steam exhaust pipe (6) is fixedly connected with the center of the front end of the steam exhaust pipe (6), a connecting disc (4) is fixedly connected with the center of the lower inner wall of the movable hole (27), a steam inlet hole (8) is arranged on the center of the lower wall of the movable hole (27), a steam inlet pipe (9) is arranged on the center of the lower wall of the base (3), a connecting seat (28) is arranged on the center of the upper end of the sleeve (15), a fixing sleeve (12) is arranged on the upper end of the connecting seat (28), a screw rod (16) is arranged at the upper end of the fixed sleeve (12), a connecting sleeve (11) is fixedly connected to the upper end of the screw rod (16), a cross rod (10) is arranged at the upper end of the connecting sleeve (11), and the lower end of the screw rod (16) penetrates through the connecting seat (28);
the lower extreme of sleeve (15) is provided with first ring flange (13), the inside spring (17) that is provided with in upper end of valve barrel (18), the upper end of spring (17) is provided with fixed plate (22), be provided with stopper (24) on valve barrel (18) inside wall, the upper end of stopper (24) is provided with valve plate (23), the lower extreme of valve barrel (18) is provided with second ring flange (19), the lower extreme of valve plate (23) is provided with roof (25), the lower wall center department of roof (25) is provided with valve rod (20), the inside of second ring flange (19) is provided with rubber pad (26) by the lower extreme, the lower wall center department of rubber pad (26) is provided with gasket (21), the lower extreme of valve rod (20) runs through rubber pad (26) and gasket (21) in proper order.
2. A pressure reducing valve with a manually adjustable pre-pressure according to claim 1, characterised in that: and four fixing holes (5) are formed in the side wall of the connecting disc (4).
3. A pressure reducing valve with a manually adjustable pre-pressure according to claim 1, characterised in that: the shape of the lower end of the valve rod (20) is conical, and the valve rod (20) is matched with the steam inlet hole (8).
4. A pressure reducing valve with a manually adjustable pre-pressure according to claim 1, characterised in that: a round hole is formed in the center of the upper end face of the fixing plate (22), and the lower end of the screw rod (16) is directly placed in the round hole in the center of the upper end face of the fixing plate (22).
5. A pressure reducing valve with a manually adjustable pre-pressure according to claim 1, characterised in that: the upper end face of the first flange plate (13) is provided with a plurality of second connecting holes (14), the number of the second connecting holes (14) is eight, and the second connecting holes (14) penetrate through the first flange plate (13).
6. A pressure reducing valve with a manually adjustable pre-pressure according to claim 1, characterised in that: the lower end of the valve plate (23) is arc-shaped.
7. A pressure reducing valve with a manually adjustable pre-pressure according to claim 1, characterised in that: the upper end of the valve rod (20) is fixedly connected to the lower wall of the top plate (25).
8. A pressure reducing valve with a manually adjustable pre-pressure according to claim 1, characterised in that: the fixing sleeve (12) consists of a circular disc and a rectangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122729324.7U CN216812857U (en) | 2021-11-09 | 2021-11-09 | Pressure reducing valve capable of manually adjusting pre-pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122729324.7U CN216812857U (en) | 2021-11-09 | 2021-11-09 | Pressure reducing valve capable of manually adjusting pre-pressure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216812857U true CN216812857U (en) | 2022-06-24 |
Family
ID=82048908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122729324.7U Active CN216812857U (en) | 2021-11-09 | 2021-11-09 | Pressure reducing valve capable of manually adjusting pre-pressure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216812857U (en) |
-
2021
- 2021-11-09 CN CN202122729324.7U patent/CN216812857U/en active Active
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