CN215763488U - High stability constant pressure valve - Google Patents
High stability constant pressure valve Download PDFInfo
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- CN215763488U CN215763488U CN202121888538.2U CN202121888538U CN215763488U CN 215763488 U CN215763488 U CN 215763488U CN 202121888538 U CN202121888538 U CN 202121888538U CN 215763488 U CN215763488 U CN 215763488U
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- valve body
- pressure valve
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Abstract
The utility model discloses a high-stability constant pressure valve which comprises a valve body, wherein a threaded hole is formed in the top end of the valve body, an adjusting assembly is arranged on the inner wall of the threaded hole and comprises an adjusting bolt and an installation cylinder, a fixing clamping plate is fixedly connected to the bottom end of the installation cylinder, the adjusting bolt is installed on the inner wall of the threaded hole, the installation cylinder is connected to the outer wall of the adjusting bolt in a sliding mode, a constant pressure rod is arranged on the inner wall of the valve body, and a valve nozzle is arranged at the top end of the valve body; according to the technical scheme provided by the utility model, the mounting cylinder is driven to move downwards by loosening the mounting cylinder and rebounding the supporting spring, so that the fixing clamping plate is driven to move downwards to clamp the circular groove and fix the adjusting bolt, and the problem that the use of the constant pressure valve is influenced by the instability of air pressure in the constant pressure valve due to the looseness of the adjusting bolt after long-term use is avoided.
Description
Technical Field
The utility model relates to the technical field of valves, in particular to a high-stability constant pressure valve.
Background
The constant pressure valve is used as the pressure pilot valve of the main valve in the automatic control system, besides being independently installed on a pressure guide pipe, a vertical valve body can be directly installed on the top cover of the main valve and is connected with the main valve into a whole, namely a constant pressure main valve (also called an evaporation pressure regulating valve or a back pressure valve), and a horizontal valve body is installed on the side surface of the electromagnetic pilot valve and is connected with the main valve into a whole, and controls the opening and closing of the main valve together with the electromagnetic pilot valve, which is called a constant pressure electromagnetic valve in general.
The prior art has the following defects or problems:
when the constant pressure valve used today, lean on adjusting bolt's position to realize the inside atmospheric pressure of adjustment constant pressure valve, adjusting bolt uses the condition that can appear becoming flexible after having for a long time, can make the atmospheric pressure in the constant pressure valve unstable, influences the use of constant pressure valve.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a high-stability constant pressure valve aiming at the defects in the prior art so as to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme:
the utility model provides a high stability constant pressure valve, includes the valve body, threaded hole is seted up on the valve body top, threaded hole inner wall is provided with adjusting part, adjusting part includes adjusting bolt and installation section of thick bamboo, the fixed cardboard of installation section of thick bamboo bottom fixedly connected with, adjusting bolt install in the threaded hole inner wall, installation section of thick bamboo sliding connection in the adjusting bolt outer wall, the valve body inner wall is provided with the constant pressure pole, the valve body top is provided with the valve mouth.
Optionally, the valve body top fixedly connected with backup pad, circular recess has been seted up to the backup pad top, just circular recess with the fixed cardboard looks joint.
Optionally, the wall of the circular groove is fixedly connected with a supporting spring, and the other end of the supporting spring is fixedly connected to the bottom end of the mounting cylinder.
Optionally, a sealing cylinder is installed on the outer wall of the constant pressure rod, the sealing cylinder is made of rubber, an annular groove is formed in one end of the sealing cylinder, a plurality of sealing springs are fixedly connected to the outer wall of the constant pressure rod, and supporting pieces are fixedly connected to the other ends of the sealing springs.
Optionally, the dish spring is installed to the constant voltage pole outer wall, the dish spring material is titanium alloy TC3, the sealing washer is installed to the constant voltage pole outer wall.
Optionally, the outer wall of the sealing cylinder is provided with an annular bulge, the outer wall of the sealing cylinder is provided with arc-shaped rubber flaps in an up-down arrangement mode, and the outer wall of each arc-shaped rubber flap is provided with a plurality of small holes.
Compared with the prior art, the utility model provides a high-stability constant pressure valve which has the following beneficial effects:
1. according to the utility model, the mounting cylinder is loosened, the supporting spring rebounds to drive the mounting cylinder to move downwards, so that the fixing clamping plate is driven to move downwards to clamp the circular groove, and the adjusting bolt is fixed, thereby avoiding the influence on the use of the constant pressure valve caused by the instability of air pressure in the constant pressure valve due to the looseness of the adjusting bolt after long-time use;
2. the sealing spring provided by the utility model struts the sealing cylinder, so that the influence of abrasion of the sealing cylinder on the sealing performance of the constant pressure rod, which causes the internal pressure of the valve body of the constant pressure valve to be unstable, on the use of the constant pressure valve is avoided.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a partial cross-sectional view of the present invention;
FIG. 3 is a diagram of an adjustment assembly of the present invention;
fig. 4 is a cross-sectional view of the sealing cylinder of the present invention.
In the figure: 1. a support plate; 2. adjusting the bolt; 3. mounting the cylinder; 4. fixing the clamping plate; 5. a valve body; 6. a constant pressure lever; 7. a seal ring; 8. a disc spring; 9. a support member; 10. a sealing cylinder; 11. a seal spring; 12. a valve nozzle; 13. a support spring; 14. a circular groove.
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 "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be further noted that, unless otherwise specifically stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, integrally connected, mechanically connected, electrically connected, directly connected, connected through an intermediate medium, or connected through the insides of two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1-4, in this embodiment: a high-stability constant pressure valve comprises a valve body 5, wherein a threaded hole is formed in the top end of the valve body 5, an adjusting assembly is arranged on the inner wall of the threaded hole and comprises an adjusting bolt 2 and an installation cylinder 3, a fixed clamping plate 4 is fixedly connected to the bottom end of the installation cylinder 3, the adjusting bolt 2 is installed on the inner wall of the threaded hole, the installation cylinder 3 is connected to the outer wall of the adjusting bolt 2 in a sliding mode, a constant pressure rod 6 is arranged on the inner wall of the valve body 5, and a valve nozzle 12 is arranged at the top end of the valve body 5; the position of the constant pressure rod 6 is adjusted by screwing the adjusting bolt 2, so that the function of adjusting the air pressure in the valve body 5 is realized.
The top end of the valve body 5 is fixedly connected with a supporting plate 1, the top end of the supporting plate 1 is provided with a circular groove 14, and the circular groove 14 is clamped with the fixing clamping plate 4; the fixed clamping plate 4 is clamped on the circular groove 14, and the outer wall of the fixed clamping plate 4 and the wall of the circular groove 14 are provided with a plurality of small convex blocks, so that the friction force is increased, and the effect of fixing the adjusting bolt 2 is realized.
The wall of the circular groove 14 is fixedly connected with a supporting spring 13, and the other end of the supporting spring 13 is fixedly connected with the bottom end of the mounting cylinder 3; the supporting spring 13 rebounds to drive the fixing clamping plate 4 to move downwards, so that the circular groove 14 is clamped, and the effect of supporting the fixing clamping plate 4 is realized.
A sealing cylinder 10 is arranged on the outer wall of the constant pressure rod 6, the sealing cylinder 10 is made of rubber, an annular groove is formed in one end of the sealing cylinder 10, a plurality of sealing springs 11 are fixedly connected to the outer wall of the constant pressure rod 6, and a supporting piece 9 is fixedly connected to the other ends of the sealing springs 11; the constant pressure pole 6 reciprocates in valve body 5 and adjusts inside atmospheric pressure, and sealing spring 11 struts a sealed section of thick bamboo 10, avoids sealed section of thick bamboo 10 wearing and tearing to influence the leakproofness of constant pressure pole 6, causes the internal pressure of constant pressure valve body 5 unstable.
The outer wall of the constant pressure rod 6 is provided with a disc spring 8, the disc spring 8 is made of titanium alloy TC3, and the outer wall of the constant pressure rod 6 is provided with a sealing ring 7; the disc spring 8 is arranged to avoid the abrasion of the constant pressure rod 6 and the adjusting bolt 2 caused by the fact that the constant pressure rod 6 moves too fast when the air pressure is adjusted.
The outer wall of the sealing cylinder 10 is provided with an annular bulge, arc-shaped rubber flaps are respectively arranged on the upper part and the lower part of the outer wall of the sealing cylinder 10, and the outer wall of each arc-shaped rubber flap is provided with a plurality of small holes; when the constant pressure rod 6 moves in the valve body 5, air flows through the small holes in the arc-shaped rubber petals to cool the joint of the sealing cylinder 10 and the valve body 5, and the service life of the sealing cylinder 10 is prevented from being influenced by friction heat.
The working principle and the using process of the utility model are as follows: when using the high stability constant pressure valve, the installation section of thick bamboo 3 is pulled up, twist and move the inside atmospheric pressure of 2 adjustment constant pressure valves of adjusting bolt, after adjusting, loosen installation section of thick bamboo 3, supporting spring 13 kick-backs, drive installation section of thick bamboo 3 downstream, thereby drive fixed cardboard 4 downstream, block circular recess 14, fixed adjusting bolt 2, after avoiding using for a long time, 2 not hard up atmospheric pressure that lead to in the constant pressure valve of adjusting bolt unstable use that influences the constant pressure valve, constant voltage pole 6 reciprocates in valve body 5 and adjusts inside atmospheric pressure, sealing spring 11 struts sealing barrel 10, avoid sealing barrel 10 wearing and tearing influence the leakproofness of constant voltage pole 6, cause 5 internal pressure unstability of constant pressure valve body.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (6)
1. The utility model provides a high stability constant pressure valve which characterized in that: including valve body (5), valve body (5) top threaded hole, threaded hole inner wall is provided with adjusting part, adjusting part includes adjusting bolt (2) and installation section of thick bamboo (3), installation section of thick bamboo (3) bottom fixedly connected with fixed cardboard (4), adjusting bolt (2) install in the threaded hole inner wall, installation section of thick bamboo (3) sliding connection in adjusting bolt (2) outer wall, valve body (5) inner wall is provided with constant pressure pole (6), valve body (5) top is provided with valve mouth (12).
2. A high stability constant pressure valve according to claim 1, wherein: the valve body (5) top fixedly connected with backup pad (1), circular recess (14) have been seted up to backup pad (1) top, just circular recess (14) with fixed cardboard (4) looks joint.
3. A high stability constant pressure valve according to claim 2, wherein: the wall of the circular groove (14) is fixedly connected with a supporting spring (13), and the other end of the supporting spring (13) is fixedly connected with the bottom end of the mounting cylinder (3).
4. A high stability constant pressure valve according to claim 1, wherein: a sealed section of thick bamboo (10) is installed to constant compression pole (6) outer wall, sealed section of thick bamboo (10) material is rubber, the ring channel has been seted up to sealed section of thick bamboo (10) one end, a plurality of sealing spring (11) of constant compression pole (6) outer wall fixedly connected with, sealing spring (11) other end fixedly connected with support piece (9).
5. A high stability constant pressure valve according to claim 1, wherein: dish spring (8) are installed to constant compression bar (6) outer wall, dish spring (8) material is titanium alloy TC3, sealing washer (7) are installed to constant compression bar (6) outer wall.
6. A high stability constant pressure valve according to claim 4, wherein: the outer wall of the sealing barrel (10) is provided with an annular bulge, arc-shaped rubber flaps are respectively arranged on the upper portion and the lower portion of the outer wall of the sealing barrel (10), and a plurality of small holes are formed in the outer wall of each arc-shaped rubber flap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121888538.2U CN215763488U (en) | 2021-08-12 | 2021-08-12 | High stability constant pressure valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121888538.2U CN215763488U (en) | 2021-08-12 | 2021-08-12 | High stability constant pressure valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215763488U true CN215763488U (en) | 2022-02-08 |
Family
ID=80074626
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121888538.2U Active CN215763488U (en) | 2021-08-12 | 2021-08-12 | High stability constant pressure valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215763488U (en) |
-
2021
- 2021-08-12 CN CN202121888538.2U patent/CN215763488U/en active Active
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