CN218598905U - Back pressure valve convenient to adjust - Google Patents
Back pressure valve convenient to adjust Download PDFInfo
- Publication number
- CN218598905U CN218598905U CN202223239627.1U CN202223239627U CN218598905U CN 218598905 U CN218598905 U CN 218598905U CN 202223239627 U CN202223239627 U CN 202223239627U CN 218598905 U CN218598905 U CN 218598905U
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- back pressure
- pressure valve
- upper cover
- main part
- valve main
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Abstract
The utility model discloses a back pressure valve convenient to adjust, including back pressure valve main part and upper cover, the last valve body of back pressure valve main part is to having the upper cover, and the inboard of valve body installs adjusting nut and diaphragm in proper order in the back pressure valve main part, the outside of valve body is provided with stop gear in the back pressure valve main part. This back pressure valve convenient to adjust, draw spacing bolt outward, make spacing bolt break away from the block butt joint with the draw-in groove, lift spacing bolt, make the upper cover can break away from the back pressure valve main part fast, make the staff be convenient for take off the upper cover of back pressure valve main part fast, make things convenient for staff's rotatory adjusting nut to carry out pressure adjustment to the back pressure valve main part, the second spring receives the extrusion and contracts, make go-between and second connection pad extrude adjusting nut, when making the staff carry out spacingly with the upper cover with the last valve body of back pressure valve main part, adjusting nut receives the spacing difficult not hard up of extrusion.
Description
Technical Field
The utility model relates to a back pressure valve technical field specifically is a back pressure valve convenient to adjust.
Background
The back pressure valve has a certain pressure, the pressure of the back pressure valve can be generally regulated, the back pressure valve can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, radioactive media and the like, the peak value of the fluctuation of the flow rate of the fluids can be reduced, and the impact of the fluctuation of the pressure on pipes, joints and other pipes can be reduced;
when the backpressure valve is used for pressure adjustment, the upper cover of the backpressure valve needs to be taken down, the adjusting nut of the backpressure valve can be rotated, the pressure of the backpressure valve is adjusted, the upper cover of the backpressure valve is generally in threaded connection with the backpressure valve, when the threaded connection between the backpressure valve and the upper cover is tight, a worker needs to use large strength or take down the upper cover of the backpressure valve by means of a tool, and the upper cover of the backpressure valve is easy to damage when receiving large external force, so that the worker is not convenient to take down the upper cover of the backpressure valve quickly to adjust the pressure of the backpressure valve.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a back pressure valve convenient to adjust to solve on the existing market that above-mentioned background art provided because the upper cover of back pressure valve generally adopts threaded connection with the back pressure valve, when the threaded connection of back pressure valve and upper cover is tighter, the staff need use great strength or borrow the upper cover that could take off the back pressure valve by the instrument, make the staff be not convenient for take off the upper cover of back pressure valve fast and carry out pressure adjustment's problem to the back pressure valve.
In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a back pressure valve convenient to adjust, includes back pressure valve main part and upper cover, the last valve body of back pressure valve main part is to having the upper cover, and the inboard of valve body installs adjusting nut and diaphragm in proper order in the back pressure valve main part, the outside of valve body is provided with stop gear in the back pressure valve main part, and stop gear including draw-in groove, first connection pad, spout, spacing bolt and first spring, the draw-in groove has been seted up in the outside of valve body in the back pressure valve main part.
Preferably, a first connecting pad is fixed on the outer side of the clamping groove of the valve body on the back pressure valve main body, and a sliding groove is formed in one side, close to the clamping groove, of the first connecting pad.
Preferably, the inside of upper cover runs through there is the spacing bolt, and the one end of spacing bolt runs through and stretches out the spout and butt joint with the draw-in groove.
Preferably, a first spring is sleeved between the limiting bolt and the upper cover, and two ends of the first spring are respectively fixed with the limiting bolt and the upper cover.
Preferably, the inner side of the upper cover is fixed with the upper end of the second spring, and the lower end of the second spring is connected with the connection ring.
Preferably, a second connecting pad is fixed on the lower side of the connecting ring, and the connecting ring and the second connecting pad are butted with the upper end of the adjusting nut.
Compared with the prior art, the beneficial effects of the utility model are that: this back pressure valve convenient to adjust, draw spacing bolt outward, make spacing bolt break away from the block butt joint with the draw-in groove, lift spacing bolt, make the upper cover can break away from the back pressure valve main part fast, make the staff be convenient for take off the upper cover of back pressure valve main part fast, make things convenient for staff's rotatory adjusting nut to carry out pressure adjustment to the back pressure valve main part, the second spring receives the extrusion and contracts, make go-between and second connection pad extrude adjusting nut, when making the staff carry out spacingly with the upper cover with the last valve body of back pressure valve main part, adjusting nut receives the spacing difficult not hard up of extrusion.
1. According to the back pressure valve convenient to adjust, when the back pressure valve main body needs to rotate the adjusting nut to adjust pressure, the limiting bolt is pulled outwards to be separated from the clamping butt joint with the clamping groove, the limiting bolt is lifted upwards to drive the upper cover to be separated from the upper valve body of the back pressure valve main body, the upper cover can be rapidly separated from the back pressure valve main body, the limiting bolt is controlled to be in butt joint or separated from the butt joint with the clamping groove by pulling the limiting bolt, a worker can conveniently and rapidly take off the upper cover of the back pressure valve main body, and the worker can conveniently rotate the adjusting nut to adjust the pressure of the back pressure valve main body;
2. this back pressure valve convenient to adjust, when the upper cover restriction was in the last valve body of back pressure valve main part, go-between and second connection pad docked with adjusting nut, the second spring received the extrusion and contracts, made go-between and second connection pad extrude adjusting nut, made adjusting nut difficult not hard up, when making the staff carry on spacingly with the upper cover with the last valve body of back pressure valve main part, adjusting nut received the extrusion and is spacing difficult not hard up.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a schematic structural view of the present invention;
fig. 3 is a schematic structural diagram of the present invention.
In the figure: 1. a back pressure valve body; 2. an upper cover; 3. adjusting the nut; 4. a membrane; 5. a limiting mechanism; 51. a card slot; 52. a first connection pad; 53. a chute; 54. a limit bolt; 55. a first spring; 6. a second spring; 7. a connecting ring; 8. a second connection pad.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a back pressure valve convenient to adjust comprises a back pressure valve body 1 and an upper cover 2, wherein the upper valve body of the back pressure valve body 1 is in butt joint with the upper cover 2, an adjusting nut 3 and a diaphragm 4 are sequentially installed on the inner side of the upper valve body of the back pressure valve body 1, a limiting mechanism 5 is arranged on the outer side of the upper valve body of the back pressure valve body 1 and comprises a clamping groove 51, a first connecting pad 52, a sliding groove 53, a limiting bolt 54 and a first spring 55, the clamping groove 51 is formed in the outer side of the upper valve body of the back pressure valve body 1, a first connecting pad 52 is fixed on the outer side of the clamping groove 51 of the upper valve body of the back pressure valve body 1, the sliding groove 53 is formed in one side, close to the clamping groove 51, the limiting bolt 54 penetrates through the inner portion of the upper cover 2, one end of the limiting bolt 54 extends out of the sliding groove 53 to be in butt joint with the sliding groove 51, the first spring 55 is sleeved between the limiting bolt 54 and the upper cover 2, two ends of the first spring pad 55 are respectively fixed with the limiting bolt 54 and the upper cover 2, the upper cover 2 and the upper cover 2 are in interference fit, the first connecting bolt 52 is made of rubber material, the first connecting groove 52, the clamping groove 51 is matched with the limiting bolt 54, and the inner wall 54, and the limiting bolt 53, and the limiting bolt are in butt joint, and the spacing of the limiting bolt, and the spacing of the limiting bolt, and the inner wall 54 are matched.
When the back pressure valve body 1 needs to rotate the adjusting nut 3 to adjust pressure, the limit bolt 54 is pulled outwards to separate the limit bolt 54 from being in butt joint with the clamping groove 51, the limit bolt 54 is lifted upwards to enable the limit bolt 54 to drive the upper cover 2 to separate from the upper valve body of the back pressure valve body 1, the upper cover 2 can be rapidly separated from the back pressure valve body 1, when the upper cover 2 is installed with the upper valve body of the back pressure valve body 1, the limit bolt 54 is aligned with the opening of the sliding groove 53, the upper cover 2 is pressed, the inclined surface of the limit bolt 54 is extruded by the upper valve body of the back pressure valve body 1, the limit bolt 54 moves towards the outer side of the upper cover 2, the upper cover 2 is continuously pressed, when the limit bolt 54 is aligned with the clamping groove 51, the limit bolt 54 is in butt joint with the clamping groove 51 under the action of the first spring 55, the upper cover 2 is limited at the outer side of the upper valve body 1, the upper cover 2 is in interference fit with the first connecting pad 52, the upper cover 2 and the first connecting pad 52 forms a sealing state, the limit bolt 54 is controlled to be in butt joint with the clamping groove 51 or the limit bolt 54 is separated from the clamping groove 51 to enable a worker to conveniently adjust pressure of the back pressure valve body 1, and the back pressure valve body 1 can be conveniently adjusted by rotating the back pressure.
The inner side of the upper cover 2 is fixed with the upper end of the second spring 6, the lower end of the second spring 6 is connected with the connecting ring 7, the lower side of the connecting ring 7 is fixed with a second connecting pad 8, the connecting ring 7 and the second connecting pad 8 are in butt joint with the upper end of the adjusting nut 3, and the second connecting pad 8 is made of rubber.
When the upper cover 2 limits the upper valve body of the back pressure valve main body 1, the connecting ring 7 and the second connecting gasket 8 are in butt joint with the adjusting nut 3, the second spring 6 is squeezed to shrink, the connecting ring 7 and the second connecting gasket 8 squeeze the adjusting nut 3, the adjusting nut 3 is not easy to loosen, the second connecting gasket 8 is made of rubber, the adjusting nut 3 and the second connecting gasket 8 are squeezed in an enhanced mode, and when a worker limits the upper cover 2 and the upper valve body of the back pressure valve main body 1, the adjusting nut 3 is squeezed to limit the upper valve body and is not easy to loosen.
To sum up, when the back pressure valve main body 1 needs to rotate the adjusting nut 3 for pressure adjustment, the limiting bolt 54 is pulled outwards to separate the limiting bolt 54 from the clamping and butting with the clamping groove 51, the limiting bolt 54 is lifted upwards to enable the upper cover 2 to be quickly separated from the back pressure valve main body 1, the limiting bolt 54 is controlled to be in or out of butting with the clamping groove 51 by pulling the limiting bolt 54, so that a worker can conveniently and quickly take off the upper cover 2 of the back pressure valve main body 1, the worker can conveniently and quickly rotate the adjusting nut 3 to adjust the pressure of the back pressure valve main body 1, when the upper cover 2 is limited on the upper valve body of the back pressure valve main body 1, the second spring 6 is squeezed to shrink, the connecting ring 7 and the second connecting pad 8 squeeze the adjusting nut 3, the adjusting nut 3 is not easy to loosen, and when the worker limits the upper cover 2 and the upper valve body of the back pressure valve main body 1, the adjusting nut 3 is squeezed to limit and not easy to loosen.
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 invention.
Claims (6)
1. The utility model provides a back pressure valve convenient to adjust, includes back pressure valve main part (1) and upper cover (2), its characterized in that:
the back pressure valve is characterized in that an upper cover (2) is butt-jointed to an upper valve body of the back pressure valve main body (1), an adjusting nut (3) and a diaphragm (4) are sequentially installed on the inner side of the valve body of the back pressure valve main body (1), a limiting mechanism (5) is arranged on the outer side of the valve body of the back pressure valve main body (1), the limiting mechanism (5) comprises a clamping groove (51), a first connecting pad (52), a sliding groove (53), a limiting bolt (54) and a first spring (55), and the clamping groove (51) is formed in the outer side of the valve body of the back pressure valve main body (1).
2. A back pressure valve to facilitate regulation as defined in claim 1, wherein: a first connecting pad (52) is fixed on the outer side of the clamping groove (51) of the valve body of the back pressure valve body (1), and a sliding groove (53) is formed in one side, close to the clamping groove (51), of the first connecting pad (52).
3. A back pressure valve to facilitate adjustment as claimed in claim 1, wherein: a limiting bolt (54) penetrates through the inner part of the upper cover (2), and one end of the limiting bolt (54) penetrates through the sliding groove (53) to be connected with the clamping groove (51) in a butting mode.
4. A back pressure valve to facilitate adjustment according to claim 3, wherein: a first spring (55) is sleeved between the limiting bolt (54) and the upper cover (2), and two ends of the first spring (55) are respectively fixed with the limiting bolt (54) and the upper cover (2).
5. A back pressure valve to facilitate regulation as defined in claim 4 wherein: the inner side of the upper cover (2) is fixed with the upper end of the second spring (6), and the lower end of the second spring (6) is connected with the connecting ring (7).
6. A back pressure valve to facilitate adjustment according to claim 5, wherein: and a second connecting pad (8) is fixed on the lower side of the connecting ring (7), and the connecting ring (7) and the second connecting pad (8) are butted with the upper end of the adjusting nut (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223239627.1U CN218598905U (en) | 2022-12-02 | 2022-12-02 | Back pressure valve convenient to adjust |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223239627.1U CN218598905U (en) | 2022-12-02 | 2022-12-02 | Back pressure valve convenient to adjust |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218598905U true CN218598905U (en) | 2023-03-10 |
Family
ID=85409584
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223239627.1U Active CN218598905U (en) | 2022-12-02 | 2022-12-02 | Back pressure valve convenient to adjust |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218598905U (en) |
-
2022
- 2022-12-02 CN CN202223239627.1U patent/CN218598905U/en active Active
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