CN220354502U - PWV-PL high-pressure-resistant condensing pressure regulating valve - Google Patents
PWV-PL high-pressure-resistant condensing pressure regulating valve Download PDFInfo
- Publication number
- CN220354502U CN220354502U CN202321347168.0U CN202321347168U CN220354502U CN 220354502 U CN220354502 U CN 220354502U CN 202321347168 U CN202321347168 U CN 202321347168U CN 220354502 U CN220354502 U CN 220354502U
- Authority
- CN
- China
- Prior art keywords
- valve
- valve body
- pwv
- valve rod
- pressure regulating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000001105 regulatory effect Effects 0.000 title claims abstract description 24
- 230000000694 effects Effects 0.000 claims abstract description 6
- 239000004677 Nylon Substances 0.000 claims description 8
- 239000004744 fabric Substances 0.000 claims description 8
- 239000012528 membrane Substances 0.000 claims description 8
- 229920001778 nylon Polymers 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 210000004907 gland Anatomy 0.000 claims description 6
- 230000009471 action Effects 0.000 abstract description 8
- 230000008859 change Effects 0.000 abstract description 5
- 230000001276 controlling effect Effects 0.000 abstract description 2
- 238000007789 sealing Methods 0.000 description 11
- 239000000498 cooling water Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 230000007363 regulatory process Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Lift Valve (AREA)
Abstract
The utility model discloses a PWV-PL high-pressure-resistant condensing pressure regulating valve, which comprises a valve body, wherein the outer side surface of the lower end of the valve body is provided with a gas tank assembly for controlling the opening and closing of the valve body, the gas tank assembly comprises a gas tank shell and a corrugated pipe, the lower end of the valve body is fixedly provided with the gas tank shell, the middle part of the inner side of the gas tank shell is fixedly provided with the corrugated pipe, the lower end of the gas tank shell is fixedly provided with a nut connecting port, the nut connecting port is communicated with the inside of the corrugated pipe, the middle part of the inner side of the valve body is movably inserted and provided with a valve rod, two ends of the valve rod are inserted and extended to the outer side of the valve body through the valve body, and the upper end and the lower end of the surface of the valve rod are both directly provided with diaphragms with the valve body. The utility model has good use effect, can automatically change the equivalent path of the valve port until the action pressure balance is achieved, has higher structural strength of the diaphragm, and can meet the use requirement under the high-pressure working condition.
Description
Technical Field
The utility model relates to the technical field of pressure regulating valves, in particular to a PWV-PL high-pressure-resistant condensing pressure regulating valve.
Background
The PWV-PL high-pressure-resistant condensing pressure regulating valve (hereinafter referred to as high-pressure-resistant condensing pressure regulating valve) is a self-response water quantity regulating valve applied to a cooling water pipeline for cooling a condenser on an R410A working medium refrigerating system. The device is applied to automatic control of flux regulation of the cooling waterway pipeline, and PWV-PL is of a high-pressure resistant structure. The system is widely applied to heating ventilation, air conditioning, refrigeration, supply and discharge and scientific experiment industries with system pipeline control.
The existing products are developed on the basis of an R22 working medium system, the working pressure-resistant pressure of a pressure-bearing piece of a condensing pressure regulating valve connected into a refrigerating system is lower than the requirement of the R410A system by about 35%, the internal main diaphragm assembly cannot meet the use requirement under the high-pressure working condition, and meanwhile, the condenser cannot meet the working conditions of 5% higher heat transfer, unchanged waterway path, larger required flow and higher pressure.
Disclosure of Invention
The utility model aims to provide a PWV-PL high-pressure-resistant condensing pressure regulating valve, which solves the problems in the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a PWV-PL high pressure resistant condensation pressure regulating valve, includes the valve body, valve body lower extreme outside surface is provided with the air tank subassembly that the control valve body opened and shut, the air tank subassembly includes air tank casing, bellows, the fixed air tank casing that is provided with in valve body lower extreme, the fixed bellows that is provided with in air tank casing inboard middle part, air tank casing lower extreme is fixedly provided with the nut connector, nut connector and bellows inside are switched on each other, the inboard middle part movable interlude of valve body is provided with the valve rod, and the valve rod both ends interlude extend to the valve body outside through the valve body, valve rod surface upper end and lower extreme all are provided with the diaphragm with the valve body directly, and the diaphragm is sealed with valve rod, valve body surface all fixed connection simultaneously, because the valve rod needs the reciprocates and drives valve port seal cushion and remove together for valve body opening or increase valve port distance, the effect of diaphragm both can play the seal, also can make things convenient for the valve rod reciprocate, valve rod lower extreme and bellows direct fixed be provided with the gasket, and the valve rod can be pushed up along with the expansion of bellows, valve rod surface middle part is fixed with the valve port, the seat cushion is provided with the valve port seal cushion.
Preferably, the valve body upper end is fixedly provided with the spring guide frame, the inside adjusting spring that is provided with of spring guide frame, the adjusting spring lower extreme is provided with the spring baffle, be provided with the coupling screw between spring baffle and the valve rod, can control the valve rod through adjusting the spring and rise the threshold value of being jacked.
Preferably, the upper end in the spring guide frame is movably provided with an adjusting screw through a bearing, the outer side surface of the adjusting screw is rotatably provided with a guide gland which can move up and down along with the rotation of the screw through threads, and the upper and lower positions of the guide gland can be adjusted through the rotation of the adjusting screw, so that the compression condition of the spring can be changed, and the threshold value of the valve rod which is lifted up is changed.
Preferably, the diaphragm is bilayer, diaphragm inboard middle part is provided with 60 pounds nylon yarn fabric layer, through setting up traditional diaphragm as bilayer and insert 60 pounds nylon yarn fabric layer at the middle part, can effectively improve the structural strength of diaphragm that plays sealed effect to can satisfy the operation requirement under the high pressure operating mode.
Preferably, the four corners of the outer surface of the diaphragm are provided with mounting holes, and the diaphragm can be conveniently and fixedly mounted through the mounting holes.
Preferably, the left side of the valve body is provided with a water inlet interface, and water is introduced into the left side of the valve body, so that the whole device can be normally used, and a valve port sealing cushion in the valve body cannot be pushed open due to high pressure.
Compared with the prior art, the utility model has the beneficial effects that:
1. the nut connecting port is connected to the condenser end of the refrigerating system, so that the condensing pressure can be introduced, the corrugated pipe automatically expands and moves upwards to push the valve rod under the action of the condensing pressure, after the set pressure of the regulating spring is overcome, the valve port soft cushion seat and the valve port sealing cushion move upwards (the valve is opened or the valve port distance is increased), the equivalent path of the valve port is changed until the balance of action pressure is achieved, the position of the valve port assembly is stable, the cooling water flow rate in the main valve body flow channel connected to the cooling water circuit is changed along with the change of the equivalent path of the valve port at the moment, the valve port is stable and stable, the heat exchange quantity is changed along with the change of the cooling water flow rate until the valve port is stable, the output pressure of the condenser is ensured to be stable, and the whole regulating process is automatically carried out.
2. The traditional diaphragm is arranged into a double layer, and the 60 pounds nylon yarn fabric layer is clamped in the middle part, so that the structural strength of the diaphragm with a sealing effect can be effectively improved, and the use requirement under a high-pressure working condition can be met.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a PWV-PL high pressure resistant condensing pressure regulating valve according to the present utility model;
FIG. 2 is a view showing the overall structure of a diaphragm in a PWV-PL high pressure resistant condensing pressure regulating valve according to the present utility model;
FIG. 3 is a top view of the diaphragm in a PWV-PL high pressure resistant condensing pressure regulating valve of the present utility model.
In the figure: 1. a valve body; 2. an air box assembly; 3. an air box housing; 4. a bellows; 5. a nut connection port; 6. a valve stem; 7. a membrane; 8. a gasket; 9. a valve port soft cushion seat; 10. the valve port seals the cushion; 11. a spring guide; 12. an adjusting spring; 13. a coupling screw; 14. adjusting a screw; 15. a spring baffle; 16. guiding the gland; 17. 60 pounds nylon yarn fabric layer; 18. and (5) mounting holes.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-3, the present utility model provides a technical solution: the PWV-PL high pressure resistant condensation pressure regulating valve comprises a valve body 1, the outer side surface of the lower end of the valve body 1 is provided with an air box assembly 2 for controlling the valve body 1 to open and close, the air box assembly 2 comprises an air box shell 3 and a corrugated pipe 4, the valve body 1 is fixedly provided with the air box shell 3 by welding, the middle part of the inner side of the air box shell 3 is fixedly provided with the corrugated pipe 4, the lower end of the air box shell 3 is fixedly provided with a nut connecting port 5, the nut connecting port 5 is communicated with the inside of the corrugated pipe 4, the nut connecting port 5 can be externally connected with other pipelines to guide pressure into the corrugated pipe 4, so that the corrugated pipe 4 expands, the middle part of the inner side of the valve body 1 is movably inserted and provided with a valve rod 6, two ends of the valve rod 6 are inserted and extended to the outer side of the valve body 1 through the valve body 1, the upper end and the lower end of the surface of the valve rod 6 are fixedly connected with the valve body 1, the membrane 7 is simultaneously sealed with the valve rod 6, the surface of the valve body 1 is required to move up and down to drive a sealing cushion 10 together, the valve opening of the valve body 1 is opened or increased by the distance, the valve opening of the valve opening 7 can be conveniently moved with the upper end of the valve rod 6 and the corrugated cushion 10, the valve opening is also can be fixed with the surface of the valve rod 6, the upper end of the valve rod 6 is provided with the sealing cushion 9, and the upper end of the valve opening is provided with the sealing cushion 9 is directly, and the surface of the sealing cushion is provided with the surface of the valve opening 9.
The valve is characterized in that a spring guide frame 11 is fixedly arranged at the upper end of the valve body 1, an adjusting spring 12 is arranged in the spring guide frame 11, a spring baffle 15 is arranged at the lower end of the adjusting spring 12, a connecting screw 13 is arranged between the spring baffle 15 and the valve rod 6, and the valve rod 6 can be controlled to rise to a jacked threshold value through the adjusting spring 12; an adjusting screw 14 is movably arranged at the upper end of the inside of the spring guide frame 11 through a bearing, a guide gland 16 which can move up and down along with the rotation of the screw is arranged on the outer side surface of the adjusting screw 14 through screw thread screwing, and the up-down position of the guide gland 16 can be adjusted through the rotation of the adjusting screw 14, so that the compression condition of a spring can be changed, and the threshold value of the valve rod 6 which is lifted up is changed; the membrane 7 is double-layered, and the middle part of the inner side of the membrane 7 is provided with 60 pounds of nylon yarn fabric layers 17, and the structural strength of the membrane 7 with a sealing effect can be effectively improved by arranging the traditional membrane 7 into double-layered and clamping the 60 pounds of nylon yarn fabric layers 17 in the middle part, so that the use requirement under a high-pressure working condition can be met; mounting holes 18 are formed in four corners of the outer side surface of the diaphragm 7, and the diaphragm 7 can be conveniently and fixedly mounted through the mounting holes 18; the left side of the valve body 1 is provided with a water inlet interface, water is introduced into the left side of the valve body 1, so that the whole device can be normally used, and the valve port sealing cushion 10 in the valve body 1 cannot be pushed open due to high pressure.
Working principle: when the device is used, the nut connection port 5 at the lower end of the air box is connected with the condenser end of the refrigerating system, so that the condensing pressure can be introduced, the corrugated pipe 4 automatically expands and moves upwards to push the valve rod 6 under the action of the condensing pressure, after the set pressure of the regulating spring 12 is overcome, the valve port soft cushion seat 9 and the valve port sealing cushion 10 are moved away from the valve or the valve port distance is increased, the equivalent path of the valve port is changed until the balance of action pressure is achieved, the position of the valve port assembly is stable, and the cooling water flow rate in the flow passage of the main valve body 1 connected with the cooling water loop is changed along with the change of the equivalent path of the valve port until the valve port is stable and stable. The heat exchange quantity also changes along with the change of the cooling water flow until the water flow is stable, so that the output pressure of the condenser is stable, and at the moment, the diaphragm 7 can be sealed when the valve rod 6 moves up and down and bear certain fluid pressure, while the device sets the traditional diaphragm 7 as a double layer and clamps the 60 pounds nylon yarn fabric layer 17 in the middle part, so that the structural strength of the diaphragm 7 with the sealing function can be effectively improved, and the use requirement under the high-pressure working condition can be met, namely the working principle of the PWV-PL high-pressure-resistant condensing pressure regulating valve.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The PWV-PL high-pressure-resistant condensing pressure regulating valve comprises a valve body (1), and is characterized in that: the utility model provides a valve body (1) lower extreme outside surface is provided with air tank subassembly (2) that control valve body (1) opened and shut, air tank subassembly (2) are including air tank casing (3), bellows (4), valve body (1) lower extreme fixedly is provided with air tank casing (3), air tank casing (3) inboard middle part is fixedly provided with bellows (4), air tank casing (3) lower extreme is fixedly provided with nut connector (5), nut connector (5) and bellows (4) inside switch on each other, valve body (1) inboard middle part activity interlude is provided with valve rod (6), and valve rod (6) both ends interlude are through valve body (1) extension to valve body (1) outside, valve rod (6) surface upper end and lower extreme all are provided with diaphragm (7) with valve body (1) directness, and diaphragm (7) and valve rod (6), valve body (1) surface equal fixed connection are sealed simultaneously, valve rod (6) lower extreme and bellows (4) direct fixed be provided with gasket (8), valve rod (6) surface middle part fixed be provided with valve port (9), valve port (9) soft cushion seat (10) surface cushion.
2. The PWV-PL high pressure resistant condensing pressure regulating valve according to claim 1, wherein: the valve is characterized in that a spring guide frame (11) is fixedly arranged at the upper end of the valve body (1), an adjusting spring (12) is arranged inside the spring guide frame (11), a spring baffle plate (15) is arranged at the lower end of the adjusting spring (12), and a connecting screw (13) is arranged between the spring baffle plate (15) and the valve rod (6).
3. The PWV-PL high pressure resistant condensing pressure regulating valve according to claim 2, wherein: the upper end in the spring guide frame (11) is movably provided with an adjusting screw (14) through a bearing, and the outer side surface of the adjusting screw (14) is provided with a guide gland (16) which can move up and down along with the rotation of the screw through screw thread screwing.
4. The PWV-PL high pressure resistant condensing pressure regulating valve according to claim 1, wherein: the membrane (7) is double-layered, and a 60 pound nylon yarn fabric layer (17) is arranged in the middle of the inner side of the membrane (7).
5. The PWV-PL high pressure resistant condensing pressure regulating valve according to claim 1, wherein: mounting holes (18) are formed in four corners of the outer side surface of the diaphragm (7).
6. The PWV-PL high pressure resistant condensing pressure regulating valve according to claim 1, wherein: the left side of the valve body (1) is provided with a water inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321347168.0U CN220354502U (en) | 2023-05-30 | 2023-05-30 | PWV-PL high-pressure-resistant condensing pressure regulating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321347168.0U CN220354502U (en) | 2023-05-30 | 2023-05-30 | PWV-PL high-pressure-resistant condensing pressure regulating valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220354502U true CN220354502U (en) | 2024-01-16 |
Family
ID=89484293
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321347168.0U Active CN220354502U (en) | 2023-05-30 | 2023-05-30 | PWV-PL high-pressure-resistant condensing pressure regulating valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220354502U (en) |
-
2023
- 2023-05-30 CN CN202321347168.0U patent/CN220354502U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201902618U (en) | Novel self-operated pressure adjusting valve | |
| CN2789524Y (en) | Thermal expansion valve port opening regulating structure | |
| CN220354502U (en) | PWV-PL high-pressure-resistant condensing pressure regulating valve | |
| KR101088043B1 (en) | Four-way type reversing valve | |
| CN100443831C (en) | Thermal expansion valve for preventing high pressure medium transmission portion from leakage | |
| CN213657608U (en) | Two-phase fluid heat exchange system | |
| CN1804440A (en) | Two-way flowing thermostatic expansion valve | |
| CN216953634U (en) | Novel throttling overflow valve | |
| CN201731167U (en) | Sealing structure of valve rod of thermal expansion valve | |
| CN217927233U (en) | Electronic expansion valve and refrigeration equipment | |
| CN1834509A (en) | Thermal expansion valve having diversion function | |
| CN220581716U (en) | Slow-opening flow control valve of household water heater | |
| CN113701405A (en) | Refrigeration system thermostatic expansion valve temperature sensing bulb with overheat protection | |
| CN107218423A (en) | A kind of pilot valve auxiliary type Self-operated valve executing agency | |
| CN219062478U (en) | Condensing pressure regulating valve | |
| CN220771445U (en) | Hydrojet expansion valve | |
| CN1834510A (en) | Thermal expansion valve having split flow function | |
| CN220956849U (en) | High-temperature-resistant electric butterfly valve | |
| CN220622820U (en) | Heightened ball valve | |
| CN208268461U (en) | A kind of compressor air flow duct valving | |
| CN205956535U (en) | Formula of relying on oneself cooling type temperature control valve | |
| CN2804507Y (en) | Thermodynamic expansion valve with filtering function | |
| WO2024022000A1 (en) | Electronic expansion valve assembly, electronic expansion valve, and refrigeration appliance | |
| WO2022242720A1 (en) | Reversible solenoid valve and air conditioning unit | |
| CN220038891U (en) | Circulating water cooling system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |