CN220134713U - Novel adjustable differential pressure valve - Google Patents
Novel adjustable differential pressure valve Download PDFInfo
- Publication number
- CN220134713U CN220134713U CN202321287743.2U CN202321287743U CN220134713U CN 220134713 U CN220134713 U CN 220134713U CN 202321287743 U CN202321287743 U CN 202321287743U CN 220134713 U CN220134713 U CN 220134713U
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- China
- Prior art keywords
- valve
- valve gap
- gap
- valve body
- differential pressure
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 25
- 238000007789 sealing Methods 0.000 claims description 16
- 210000003454 tympanic membrane Anatomy 0.000 abstract description 5
- 230000008878 coupling Effects 0.000 abstract 2
- 238000010168 coupling process Methods 0.000 abstract 2
- 238000005859 coupling reaction Methods 0.000 abstract 2
- 238000007792 addition Methods 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 210000003128 head Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Safety Valves (AREA)
- Self-Closing Valves And Venting Or Aerating Valves (AREA)
Abstract
The utility model provides a novel adjustable differential pressure valve, and belongs to the technical field of valves. The pressure difference valve adjusting system solves the problems that an existing pressure difference valve adjusting system is complex in structure and high in rigidity strength. The utility model provides an adjustable differential pressure valve, including the valve body, water inlet and delivery port have been seted up on the valve body, be equipped with the valve gap on the valve body, the valve gap comprises last valve gap and lower valve gap, lower valve gap fixed connection is on the valve body, go up and connect blast pipe and exhaust joint on the valve gap, be equipped with the valve rod in the valve body, the valve rod lower extreme is equipped with the case, the case lower extreme is equipped with the case seal seat, be equipped with the rubber tympanic membrane in going up valve gap and the lower valve gap, be equipped with the fixing base on the valve rod, be equipped with spring footstock and spring base on the valve rod, be equipped with coupling spring one between spring footstock and the spring base, the valve rod upper end is connected with the lead screw, be equipped with adjusting nut on the lead screw, be equipped with coupling spring two between adjusting nut and the last valve gap. The utility model has the advantages of simple structure, reflecting the speed block and no blockage of the pressure measuring pipeline.
Description
Technical Field
The utility model belongs to the technical field of valves, and relates to a differential valve, in particular to a novel adjustable differential valve.
Background
The self-operated differential pressure valve does not need external energy, and is automatically adjusted by means of self pressure change of a medium to be adjusted, so that flow change caused by residual pressure head and pressure fluctuation of a pipe network is automatically eliminated, the differential pressure between an inlet and an outlet of a user is constant, the operation of a system is stabilized, and the self-operated differential pressure valve is particularly suitable for a household metering or automatic control system. Currently, the self-operated differential pressure valve on the market comprises a self-operated differential pressure valve body. The regulation system of the traditional self-operated differential pressure valve body is complex in structure, and the rigidity intensity of the diaphragm adopted by the traditional self-operated differential pressure valve is high, and when the traditional self-operated differential pressure valve is matched with the regulating spring, a good buffering effect cannot be achieved, so that the regulation effect is influenced.
Disclosure of Invention
The utility model aims to solve the problems in the prior art and provides a novel adjustable differential pressure valve which is reasonable in design, simple in structure and convenient to control.
The aim of the utility model can be achieved by the following technical scheme: the utility model provides a novel adjustable differential pressure valve, includes the valve body, the valve body on set up the water inlet that is used for intaking and the delivery port that is used for the play water, the valve body in be provided with the water channel that is used for crossing water, its characterized in that, the valve body on be provided with the valve gap, the valve gap constitute by last valve gap and lower valve gap, lower valve gap pass through valve gap connector fixed connection on the valve body, last valve gap on fixedly connected with be used for exhaust blast pipe and exhaust joint, the valve body in and wear to locate the valve rod on last valve gap and the lower valve gap, the valve rod lower extreme be provided with the case that controls water channel switching, the case lower extreme be provided with the case sealing seat, last valve gap and lower valve gap in be provided with the rubber tympanic membrane, the valve rod on and for last valve gap and be provided with the fixing base that is used for fixed rubber tympanic membrane down, the valve rod on be provided with spring footstock and spring base, spring footstock and spring base between be provided with connecting spring one, the last end connection of valve rod have the lead screw, the lead screw on be provided with the adjusting nut on and adjusting nut on the end on adjusting nut.
In the novel adjustable differential pressure valve, the screw rod is provided with the positioning sleeve relative to the lower end of the adjusting nut, the upper valve cover is fixedly provided with the scale sleeve, and the scale sleeve is fixedly arranged on the upper valve cover through the hexagonal cap.
In the novel adjustable differential pressure valve, the side end of the valve body is fixedly provided with the plug, and the lower end of the valve body is provided with the lower body plug for sealing the lower end of the valve body.
In the novel adjustable differential pressure valve, the exhaust joint is communicated with the interiors of the upper valve cover and the lower valve cover.
Compared with the prior art, the novel adjustable differential pressure valve adopts the first connecting spring and the second connecting spring to directly control the differential pressure, has a simple structure, reflects a speed block and has no problem of blockage of a pressure measuring pipeline.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a schematic cross-sectional view of the present utility model.
In the figure, 1, a valve body; 2. a water inlet; 3. a water outlet; 4. a water passing channel; 5. an upper valve cover; 6. a lower valve cover; 7. a valve cover connecting body; 8. an exhaust joint; 9. a valve stem; 10. a valve core; 11. a valve core sealing seat; 12. a rubber tympanic membrane; 13. a fixing seat; 14. a spring top seat; 15. a spring base; 16. a first connecting spring; 17. a second connecting spring; 18. an adjusting nut; 19. a screw rod; 20. a positioning sleeve; 21. a scale sleeve; 22. and a lower body plug.
Detailed Description
The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.
As shown in fig. 1 and 2, the novel adjustable differential pressure valve comprises a valve body 1, a water inlet 2 for water inflow and a water outlet 3 for water outflow are formed in the valve body 1, a water passing channel 4 for water passing is arranged at the lower end of the valve body 10, the novel adjustable differential pressure valve is characterized in that a valve cover is arranged on the valve body 1, the valve cover is composed of an upper valve cover 5 and a lower valve cover 6, the lower valve cover 6 is fixedly connected to the valve body 1 through a valve cover connecting body 7, an exhaust pipe and an exhaust joint 8 for exhaust are fixedly connected to the upper valve cover 5, a valve rod 9 for controlling the water passing channel 4 to open and close is arranged at the lower end of the valve rod 9, a valve core sealing seat 11 for sealing the water passing channel 4 is arranged at the lower end of the valve core 10, a rubber 12 is arranged in the upper valve cover 5 and the lower valve cover 6, a valve rod 9 is fixedly connected to an exhaust pipe and an exhaust joint 8 for exhausting, a valve rod 9 is arranged in the valve body 1 in a penetrating through the valve rod 9 on the upper valve cover 5 and the lower valve cover 6, a valve rod 9 is arranged at the lower end of the valve rod 9, a valve core sealing seat 11 is arranged at the lower end of the valve core sealing seat 11, the water passing channel 4 is in a normally closed state, the water passing channel 4 is in the valve core sealing seat is arranged at the valve core sealing seat 11, the water passing channel 4 is in the closed state, the upper valve seat is provided with a rubber valve seat 12 is in the sealing seat 6 and is in the sealing seat 6.
Further, when the fluid pressure in the valve body 1 reaches a certain level, the valve core 10 is driven to move upwards, the pressure is relieved through the rubber drum 12 in the upper valve cover 5 and the lower valve cover 6 and the exhaust joint 8, the water passing channel 4 is in an open state, the pressure is gradually weakened, the valve core 10 moves downwards, and the valve core sealing seat 11 seals the water passing channel 4 again.
Further, a positioning sleeve 20 is arranged on the screw rod 19 and opposite to the lower end of the adjusting nut 18, a scale sleeve 21 is fixedly arranged on the upper valve cover 5, the scale sleeve 21 is used for displaying the position adjusted by the adjusting nut 18 and reflecting the state inside the valve body 1, and the scale sleeve 21 is fixedly arranged on the upper valve cover 5 through a hexagonal cap.
Further, a plug is fixedly arranged at the side end of the valve body 1, and a lower body plug 22 for sealing the lower end of the valve body 1 is arranged at the lower end of the valve body 1.
Further, the exhaust joint 8 communicates with the interiors of the upper and lower valve caps 5 and 6.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.
Although terms such as the valve body 1, the water inlet 2, the water outlet 3, the water passing passage 4, the upper bonnet 5, the lower bonnet 6, the bonnet connector 7, the exhaust joint 8, the valve stem 9, the valve core 10, the valve core sealing seat 11, the rubber tympanic membrane 12, the fixing seat 13, the spring top seat 14, the spring base 15, the first connecting spring 16, the second connecting spring 17, the adjusting nut 18, the screw rod 19, the positioning sleeve 20, the scale sleeve 21, the lower body plug 22 are used more herein, the possibility of using other terms is not excluded. These terms are used merely for convenience in describing and explaining the nature of the utility model; they are to be interpreted as any additional limitation that is not inconsistent with the spirit of the present utility model.
Claims (4)
1. The utility model provides a novel adjustable differential pressure valve, includes valve body (1), valve body (1) on offer water inlet (2) and delivery port (3) that are used for the play water that are used for intaking, valve body (1) in be provided with in be used for the water channel (4) of crossing, its characterized in that, valve body (1) on be provided with the valve gap, the valve gap constitute by last valve gap (5) and lower valve gap (6), lower valve gap (6) pass through valve gap connector (7) fixed connection on valve body (1), last valve gap (5) on fixedly connected with be used for exhaust blast pipe and exhaust joint (8), valve body (1) in and wear to locate valve rod (9) on last valve gap (5) and lower valve gap (6), valve rod (9) lower extreme be provided with case (10) that control water channel (4) open and shut, case (10) lower extreme be provided with case sealing seat (11), last valve gap (5) and lower valve gap (6) in be provided with rubber (12), last valve gap (5) and lower valve gap (6) on be provided with on valve gap (6) and rubber (9) and be provided with in spring base (14) for valve rod (6) and upper valve rod (14), the spring top seat (14) and the spring base (15) between be provided with connecting spring one (16), the upper end connection of valve rod (9) have lead screw (19), lead screw (19) on be provided with adjusting nut (18) that adjusts, adjusting nut (18) and the upper end of upper valve gap (5) between be provided with connecting spring two (17).
2. The novel adjustable differential pressure valve according to claim 1, wherein a positioning sleeve (20) is arranged on the screw rod (19) and opposite to the lower end of the adjusting nut (18), a scale sleeve (21) is fixedly arranged on the upper valve cover (5), and the scale sleeve (21) is fixedly arranged on the upper valve cover (5) through a hexagonal cap.
3. The novel adjustable differential pressure valve according to claim 1, wherein a plug is fixedly arranged at the side end of the valve body (1), and a lower body plug (22) for sealing the lower end of the valve body (1) is arranged at the lower end of the valve body (1).
4. The novel adjustable differential pressure valve according to claim 1, wherein the exhaust joint (8) is communicated with the insides of the upper valve cover (5) and the lower valve cover (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321287743.2U CN220134713U (en) | 2023-05-22 | 2023-05-22 | Novel adjustable differential pressure valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321287743.2U CN220134713U (en) | 2023-05-22 | 2023-05-22 | Novel adjustable differential pressure valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220134713U true CN220134713U (en) | 2023-12-05 |
Family
ID=88958285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321287743.2U Active CN220134713U (en) | 2023-05-22 | 2023-05-22 | Novel adjustable differential pressure valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220134713U (en) |
-
2023
- 2023-05-22 CN CN202321287743.2U patent/CN220134713U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |