CN108825836B - Pressure regulating filter - Google Patents
Pressure regulating filter Download PDFInfo
- Publication number
- CN108825836B CN108825836B CN201810867304.6A CN201810867304A CN108825836B CN 108825836 B CN108825836 B CN 108825836B CN 201810867304 A CN201810867304 A CN 201810867304A CN 108825836 B CN108825836 B CN 108825836B
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- Prior art keywords
- pressure regulating
- valve
- cover
- lock catch
- spring
- 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.)
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- 230000001105 regulatory effect Effects 0.000 title claims abstract description 94
- 241000190070 Sarracenia purpurea Species 0.000 claims abstract description 11
- 238000001914 filtration Methods 0.000 claims abstract description 11
- 230000001681 protective effect Effects 0.000 claims description 23
- 230000000670 limiting effect Effects 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 6
- 230000004308 accommodation Effects 0.000 abstract description 8
- 238000007493 shaping process Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000012528 membrane Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
- F16K17/06—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded with special arrangements for adjusting the opening pressure
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Valves (AREA)
- Control Of Fluid Pressure (AREA)
Abstract
The invention discloses a pressure regulating filter, which comprises a valve body, a valve cover, a water cup, a pressure regulating component and a filtering component, wherein the valve cover is arranged on the valve body; the filter component is connected with the pressure regulating component through the valve rod, the pressure regulating component includes the spiral cover, and the pressure regulating screw rod, pressure regulating nut and pressure regulating spring, the screw thread portion cooperation of pressure regulating screw rod, pressure regulating nut receives the restriction of valve gap when the spiral cover rotates and can only reciprocate and can not rotate, the upper end of pressure regulating screw rod stretches out the valve gap and is connected with the spiral cover, the upper end shaping of valve body has the accommodation hole, be provided with the piston in the accommodation hole and provide the reset spring of upwards elasticity for the piston, reset spring's elasticity is less than pressure regulating spring's elasticity, be equipped with rubber seal between piston outer wall and the accommodation hole inner wall, pressure regulating spring's upper end supports on pressure regulating nut, pressure regulating spring's lower extreme supports to press on the piston, the valve rod upper end supports on the piston. The pressure regulating filter has the advantages of simplified and reasonable structure, convenience in assembly and convenience in improvement of production efficiency.
Description
Technical Field
The invention relates to a pressure regulating filter, and belongs to the technical field of air pressure regulating filter instruments.
Background
In industrial production, compressed air is usually used as an important power source, but the air contains corrosive solid particles such as dust, scrap iron, scale and the like, and high-precision instruments and equipment can be eroded after condensation of water drops. It is therefore necessary to filter out moisture in the compressed air using a pressure-regulating filter and adjust the gas pressure so that the apparatus has sufficient power. Patent document CN204553964U discloses a filtration and pressure regulation valve comprising a valve body, a valve cover, an air filtration assembly, a pressure regulation assembly, a high-pressure cup body and a membrane assembly; the valve cover is arranged on the upper part of the valve body; the high-pressure cup body is arranged at the lower part of the valve body; a diaphragm cavity is arranged between the valve cover and the valve body; a filter core cavity is arranged between the valve body and the high-pressure cup body; the left side and the right side of the valve body are respectively provided with an air inlet and an air outlet; the air filtering component is arranged in the filter element cavity; the pressure regulating component is arranged in the valve cover; the diaphragm assembly is arranged in the diaphragm cavity; the valve body is provided with a valve rod mounting hole; a valve rod is arranged in the valve rod mounting hole; the lower part of the valve rod is connected with the upper end of the air filtering assembly through a spring, and the upper part of the valve rod passes through the valve rod mounting hole to be connected with the diaphragm assembly; the pressure regulating component is connected with the diaphragm component through a first spring; the air inlet hole is communicated with the air outlet hole through an air guide hole; the side wall of the air outlet hole is provided with a side hole communicated with the diaphragm cavity; the valve rod mounting hole penetrates through the air guide hole to communicate the membrane cavity with the filter element cavity; the diameter of the air guide hole is equal to that of the valve rod mounting hole. The membrane assembly comprises a gasket, a membrane, a pressing pad, a guide sleeve, a buffer pad and a pressing cover; the guide sleeve and the buffer cushion are in interference fit with the gland; the diaphragm and the pressing pad are sleeved on the outer side of the pressing cover; the gasket is arranged between the lower end face of the valve cover and the upper end face of the diaphragm; the pressing pad is in pressing contact with the lower end of the second spring. The diaphragm assembly disclosed in the above patent document has a large number of component parts, which results in inconvenient assembly and low production efficiency.
Disclosure of Invention
In this regard, the technical problem to be solved by the invention is that the diaphragm assembly in the existing pressure regulating filter has a complex structure and is not beneficial to assembly.
The technical scheme for realizing the aim of the invention is as follows:
the pressure regulating filter comprises a valve body, a valve cover, a water cup, a pressure regulating component and a filtering component, wherein the valve cover and the pressure regulating component are arranged at the upper end of the valve body, and the water cup and the filtering component are arranged at the lower end of the valve body; the filter component is connected with the pressure regulating component through the valve rod, the pressure regulating component is including rotatably installing the spiral cover on valve gap upper portion, and locate pressure regulating screw rod, pressure regulating nut and the pressure regulating spring in the valve gap, the pressure regulating nut with the screw thread portion cooperation of pressure regulating screw rod, the spiral cover is rotated the time the pressure regulating nut receives the restriction of valve gap can only reciprocate and can not rotate, the upper end of pressure regulating screw rod stretches out the valve gap with the spiral cover is connected, the upper end shaping of valve body has the accommodation hole, be provided with the piston in the accommodation hole and for the piston provides the reset spring of upwards elasticity, reset spring's elasticity is less than pressure regulating spring's elasticity, be equipped with rubber seal between the piston outer wall with the accommodation hole inner wall, pressure regulating spring's upper end supports pressure regulating nut is last, pressure regulating spring's lower extreme supports and presses the piston, the valve rod upper end supports the piston.
In the above technical scheme, the annular groove is formed in the inner wall of the accommodating hole, and the rubber sealing ring is embedded in the annular groove.
In the above technical scheme, the upper end of pressure regulating screw rod is equipped with square shaft portion, the valve gap inside shaping have with square shaft portion grafting complex square jack, square shaft portion with square jack grafting complex.
In the technical scheme, a plurality of buckles are arranged on the inner side of the spiral cover along the circumferential direction at intervals, and annular buckling grooves matched with the buckles are formed in the outer wall of the valve cover.
According to the technical scheme, the valve cover is internally provided with the limiting sleeve hole matched with the pressure regulating nut in shape, and the pressure regulating nut moves up and down in the limiting sleeve hole under the limiting effect of the limiting sleeve hole when the spiral cover rotates.
In the technical scheme, a protective cover is sleeved outside the water cup, and the upper end of the protective cover is connected with the valve body;
a plurality of outwards-protruding limit flanges are arranged at the edge of the upper end of the protective cover at intervals, an annular resisting surface and a plurality of limit bosses arranged at intervals along the circumferential direction are formed in the lower end of the valve body, avoiding notch grooves corresponding to the limit flanges are formed between adjacent limit bosses, and limit grooves suitable for being matched with the limit flanges are formed between the limit bosses and the annular resisting surface;
the lock catch and the lock catch spring for providing upward elastic force for the lock catch are arranged on the outer side portion of the upper end of the protective cover, the stop portion is arranged at the upper end of the lock catch, the resisting surface is arranged at the joint of the lock catch and the stop portion, when the protective cover is connected with the valve body in place, the limiting flanges are clamped in the limiting grooves in a one-to-one correspondence mode, the stop portion stretches into the avoidance groove under the action of the lock catch spring, and meanwhile the resisting surface is propped against the valve body.
In the above technical scheme, the outside of shield upper end is equipped with the mounting plate, the mounting plate only the lower extreme with the protection casing links to each other, have on the hasp with mounting plate activity grafting complex jack, the hasp spring is installed in the jack, just the upper and lower both ends of hasp spring are in respectively on the hasp with the upper end of mounting plate.
According to the technical scheme, the mounting piece is provided with the strip-shaped hole extending along the movable direction of the lock catch, the lock catch is fixedly provided with the pin shaft, the pin shaft penetrates through the strip-shaped hole, and the pin shaft moves in the strip-shaped hole when the lock catch moves up and down.
The invention has the positive effects that: according to the invention, the original diaphragm assembly is replaced by the piston, so that the number of parts is effectively reduced on the premise of ensuring the use effect, the assembly is facilitated, and the work efficiency is improved.
Drawings
FIG. 1 is a schematic diagram of a pressure regulating filter according to the present invention;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is a partial enlarged view at B in FIG. 2;
FIG. 4 is a schematic view of a valve cover according to the present invention;
FIG. 5 is a schematic view of the structure of the valve body according to the present invention;
FIG. 6 is a schematic view of the valve body of FIG. 5 from another angle;
FIG. 7 is a schematic view of a screw cap according to the present invention;
FIG. 8 is a schematic view of the structure of the protective cover in the present invention;
FIG. 9 is a schematic view of a latch according to the present invention;
fig. 10 is a schematic view of the latch of fig. 9 from another angle.
The reference numerals shown in the figures are: 1-a valve body; 2, a valve cover; 3-a water cup; 4-a valve rod; 5-screwing the cover; 6-a pressure regulating screw; 61-a threaded portion; 7-a pressure regulating nut; 8-a pressure regulating spring; 9-a receiving hole; 10-a piston; 11-a return spring; 12-rubber sealing rings; 13-square shaft part; 14-square jacks; 15-clamping buckle; 16-an annular buckling groove; 17-limiting sleeve holes; 18-protecting cover; 19-a limit flange; 20-annular abutment surfaces; 21-limiting bosses; 22-avoiding the notch; 23-limiting grooves; 24-locking; 25-a latch spring; 26-a resisting surface; 27-a stop; 28-mounting piece; 29-plug holes; 30-bar-shaped holes; 31-pin shafts; 32-abutment boss.
Detailed Description
The specific structure of the pressure regulating filter in the invention is described below with reference to the accompanying drawings:
1-10, the pressure regulating filter comprises a valve body 1, a valve cover 2, a water cup 3, a pressure regulating component and a filtering component, wherein the valve cover 2 and the pressure regulating component are arranged at the upper end of the valve body 1, and the water cup 3 and the filtering component are arranged at the lower end of the valve body 1; the filter component is connected with the pressure regulating component through the valve rod 4, the pressure regulating component includes that rotatable installs spiral cover 5 on valve gap 2 upper portion, and locate pressure regulating screw 6, pressure regulating nut 7 and the pressure regulating spring 8 in the valve gap 2, pressure regulating nut 7 with the screw thread portion 61 cooperation of pressure regulating screw 6, during spiral cover 5 rotation pressure regulating nut 7 receives the restriction of valve gap 2 can only reciprocate but can not rotate, the upper end of pressure regulating screw 6 stretches out valve gap 2 with spiral cover 5 is connected, the upper end shaping of valve body 1 has accommodation hole 9, be provided with piston 10 and for piston 10 provides the return spring 11 of upward elasticity, the elasticity of return spring 11 is less than the elasticity of pressure regulating spring 8, piston 10 outer wall with be equipped with rubber seal 12 between the accommodation hole 9 inner wall, the upper end of pressure regulating spring 8 supports pressure regulating nut 7 on, the lower extreme of pressure regulating spring 8 supports on the piston 10 is in the upper end of valve rod 4. In this embodiment, replace original diaphragm subassembly through the piston, effectively saved spare part quantity under the prerequisite of guaranteeing the result of use, do benefit to the equipment, be favorable to improving work efficiency.
In this embodiment, an annular groove is formed on the inner wall of the accommodating hole 9, and the rubber sealing ring 12 is embedded in the annular groove, so that the rubber sealing ring 12 is positioned, and displacement of the rubber sealing ring 12 is prevented.
In this embodiment, the upper end of pressure regulating screw rod 6 is equipped with square shaft portion 13, valve gap 2 inside shaping have with square shaft portion 13 grafting complex square jack 14, square shaft portion 13 with square jack 14 grafting complex, thereby can effectively drive pressure regulating screw rod 6 synchronous rotation when spiral cover 5 rotates through square shaft portion 13 and square jack 14 grafting complex.
Further, a plurality of buckles 15 are arranged on the inner side of the spiral cover 5 along the circumferential direction at intervals, annular buckling grooves 16 matched with the buckles 15 are formed in the outer wall of the valve cover 2, and the spiral cover 5 is prevented from being separated from the valve cover 2 by buckling the buckles 15 and the annular buckling grooves 16, and meanwhile rotation of the spiral cover 5 is not influenced.
Still further, the valve cover 2 is provided with a limit sleeve hole 17 matching with the shape of the pressure regulating nut 7, when the screw cap 5 rotates, the pressure regulating nut 7 moves up and down in the limit sleeve hole 17 under the limiting action of the limit sleeve hole 17, in this embodiment, the outer cross section of the regulating nut 7 is hexagonal, and correspondingly, the cross section of the limit sleeve hole 17 is hexagonal.
In this embodiment, a protective cover 18 is sleeved outside the water cup 3, and the upper end of the protective cover 18 is connected with the valve body 1; a plurality of outwards-protruding limit flanges 19 are arranged at the edge of the upper end of the protective cover 18 at intervals, an annular resisting surface 20 and a plurality of limit bosses 21 are formed in the lower end of the valve body 1 at intervals along the circumferential direction, avoidance notches 22 corresponding to the limit flanges 19 are formed between adjacent limit bosses 21, and limit grooves 23 suitable for being matched with the limit flanges 19 are formed between the limit bosses 21 and the annular resisting surface 20; the outer side part of the upper end of the protective cover 18 is provided with a lock catch 24 and a lock catch spring 25 which provides upward elastic force for the lock catch 24, the upper end of the lock catch 24 is provided with a stop surface 26, when the lock catch 24 is connected with the valve body 1, the limit flanges 19 are clamped in the limit grooves 23 in a one-to-one correspondence manner, under the action of the lock catch spring 25, the stop surface 27 extends into the avoidance notch 22, meanwhile, the stop surface 26 is abutted against the valve body 1, when the protective cover 18 is installed, the lock catch 24 is downwards compressed, the stop flange 19 is aligned with the avoidance notch 22 one by one, the upper end of the protective cover 18 is inserted into the valve body 1, the upper end surface of the protective cover 18 is abutted against the annular stop surface 20, then the protective cover 18 is rotated, the limit bosses 21 enter the limit grooves 23, when the lock catch 24 is aligned with one of the avoidance notch 22, the lock catch 27 is released, under the elastic force of the lock catch spring 25, the stop surface 27 extends into the avoidance notch 22, simultaneously, the stop surface 26 is abutted against the valve body 1, the stop surface is removed from the groove 22, and the stop surface is removed from the limit grooves 19, thereby ensuring that the two-to be completely removed from the limit grooves 18 due to the fact that the stop surface is completely aligned with the stop surface 19, and the stop surface is completely pressed against the stop surface 22 when the stop surface is completely, and the stop surface is completely pressed against the stop surface, and the stop surface is removed from the stop surface, and the stop surface is completely, and the stop-shaped when the stop surface is completely, and the stop-down. Has good practicability.
In this embodiment, the outer portion of the upper end of the protective cover 18 is provided with a mounting plate 28, only the lower end of the mounting plate 28 is connected with the protective cover 18, the lock catch 24 is provided with a plugging hole 29 in movable plugging fit with the mounting plate 28, the lock catch spring 25 is mounted in the plugging hole 29, and the upper and lower ends of the lock catch spring 25 respectively abut against the lock catch 24 and the upper end of the mounting plate 28, so that an upward elastic force is provided for the lock catch 25 through the lock catch spring 26.
In this embodiment, the mounting plate 28 is formed with a bar hole 30 extending along the movable direction of the lock catch 24, the lock catch 24 is fixed with a pin shaft 31, the pin shaft 31 is inserted into the bar hole 30, the pin shaft 31 moves in the bar hole 30 when the lock catch 24 moves up and down, and the lock catch 24 is prevented from being separated from the mounting plate 28 by matching the pin shaft 31 with the bar hole 30, so that the mounting effect of the lock catch 24 is ensured.
In this embodiment, a resisting boss 32 is formed at a connection position between the Fang Zhoubu and the threaded portion 61 on the pressure regulating screw 6, and the resisting boss 32 abuts against the inner wall of the top end of the valve cover 2, so that the pressure regulating screw 6 has a limiting function.
It is to be understood that the above examples of the present invention are provided by way of illustration only and not by way of limitation of the embodiments of the present invention. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While those obvious variations or modifications which come within the spirit of the invention remain within the scope of the invention.
Claims (6)
1. The pressure regulating filter comprises a valve body (1), a valve cover (2), a water cup (3), a pressure regulating component and a filtering component, wherein the valve cover (2) and the pressure regulating component are arranged at the upper end of the valve body (1), and the water cup (3) and the filtering component are arranged at the lower end of the valve body (1); the filter assembly is connected with the pressure regulating assembly through a valve rod (4), the pressure regulating assembly comprises a rotary cover (5) rotatably arranged at the upper part of the valve cover (2), a pressure regulating screw rod (6), a pressure regulating nut (7) and a pressure regulating spring (8) which are arranged in the valve cover (2), the pressure regulating nut (7) is matched with the threaded part of the pressure regulating screw rod (6), when the rotary cover (5) rotates, the pressure regulating nut (7) can only move up and down but can not rotate under the limit of the valve cover (2), the upper end of the pressure regulating screw rod (6) extends out of the valve cover (2) and is connected with the rotary cover (5), and the filter assembly is characterized in that an accommodating hole (9) is formed at the upper end of the valve body (1), a piston (10) and a return spring (11) which provides upward elastic force for the piston (10) are arranged in the accommodating hole (9), the elastic force of the return spring (11) is smaller than that of the pressure regulating spring (8), the outer wall of the piston (10) is limited by the valve cover (2) can only move up and can not rotate, the upper end of the piston (10) is pressed against the pressure regulating spring (8) by the pressure regulating nut (8), the upper end of the valve rod (4) is propped against the piston (10);
the upper end of the pressure regulating screw rod (6) is provided with a Fang Zhoubu (13), a square jack (14) which is in plug-in fit with the square shaft part (13) is formed in the valve cover (2), and the square shaft part (13) is in plug-in fit with the square jack (14);
a protective cover (18) is sleeved outside the water cup (3), and the upper end of the protective cover (18) is connected with the valve body (1);
a plurality of outwards-protruding limit flanges (19) are arranged at intervals at the edge of the upper end of the protective cover (18), annular resisting surfaces (20) and a plurality of limit bosses (21) arranged at intervals along the circumferential direction are formed in the lower end of the valve body (1), avoidance notches (22) corresponding to the limit flanges (19) are formed between adjacent limit bosses (21), and limit grooves (23) suitable for being matched with the limit flanges (19) are formed between the limit bosses (21) and the annular resisting surfaces (20);
the upper end outer side part of the protective cover (18) is provided with a lock catch (24) and a lock catch spring (25) for providing upward elastic force for the lock catch (24), the upper end of the lock catch (24) is provided with a stop part (27), a joint part of the lock catch (24) and the stop part (27) is provided with a resisting surface (26), when the protective cover (18) is connected with the valve body (1) in place, the limit flanges (19) are blocked in the limit grooves (23) in a one-to-one correspondence manner, the stop part (27) stretches into the avoidance notch (22) under the action of the lock catch spring (25), and meanwhile the resisting surface (26) is propped against the valve body (1);
the pressure regulating screw (6) is provided with a resisting boss (32) formed at the joint of the Fang Zhoubu (13) and the threaded part (61), and the resisting boss (32) is abutted against the inner wall of the top end of the valve cover (2) so as to limit the pressure regulating screw (6).
2. Pressure regulating filter according to claim 1, characterized in that the inner wall of the receiving hole (9) is formed with an annular groove, and the rubber sealing ring (12) is embedded in the annular groove.
3. Pressure regulating filter according to claim 1, characterized in that a plurality of buckles (15) are arranged on the inner side of the spiral cover (5) at intervals along the circumferential direction, and annular buckling grooves (16) matched with the buckles (15) are formed on the outer wall of the valve cover (2).
4. Pressure regulating filter according to claim 1, characterized in that the valve cover (2) is internally provided with a limit sleeve hole (17) matched with the shape of the pressure regulating nut (7), and the pressure regulating nut (7) moves up and down in the limit sleeve hole (17) under the limiting action of the limit sleeve hole (17) when the rotary cover (5) rotates.
5. The pressure regulating filter according to claim 1, wherein a mounting plate (28) is arranged outside the upper end of the protective cover (18), only the lower end of the mounting plate (28) is connected with the protective cover (18), the lock catch (24) is provided with a plug hole (29) which is movably plugged and matched with the mounting plate (28), the lock catch spring (25) is arranged in the plug hole (29), and the upper end and the lower end of the lock catch spring (25) are respectively propped against the upper end parts of the lock catch (24) and the mounting plate (28).
6. The pressure regulating filter according to claim 5, wherein the mounting plate (28) is formed with a bar-shaped hole (30) extending along the movable direction of the lock catch (24), a pin shaft (31) is fixed on the lock catch (24), the pin shaft (31) is inserted into the bar-shaped hole (30), and the pin shaft (31) moves in the bar-shaped hole (30) when the lock catch (24) moves up and down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810867304.6A CN108825836B (en) | 2018-07-21 | 2018-07-21 | Pressure regulating filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810867304.6A CN108825836B (en) | 2018-07-21 | 2018-07-21 | Pressure regulating filter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108825836A CN108825836A (en) | 2018-11-16 |
| CN108825836B true CN108825836B (en) | 2024-01-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810867304.6A Active CN108825836B (en) | 2018-07-21 | 2018-07-21 | Pressure regulating filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108825836B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2881254Y (en) * | 2006-03-06 | 2007-03-21 | 黄银祥 | Filtering pressure regulating valve |
| CN201744253U (en) * | 2010-06-19 | 2011-02-16 | 奉化市盛灵气动机电有限公司 | Pressure regulation type gas source purifier |
| CN202149231U (en) * | 2011-07-27 | 2012-02-22 | 浙江百灵气动科技有限公司 | Filtering pressure reducing valve |
| CN204201211U (en) * | 2014-11-04 | 2015-03-11 | 浙江百灵气动科技有限公司 | Filtering pressure reducing valve |
| CN106641421A (en) * | 2016-11-08 | 2017-05-10 | 深圳市兰洋科技有限公司 | Code lock valve structure |
| CN208750088U (en) * | 2018-07-21 | 2019-04-16 | 浙江厚德气动元件有限公司 | Pressure regulation filter |
-
2018
- 2018-07-21 CN CN201810867304.6A patent/CN108825836B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2881254Y (en) * | 2006-03-06 | 2007-03-21 | 黄银祥 | Filtering pressure regulating valve |
| CN201744253U (en) * | 2010-06-19 | 2011-02-16 | 奉化市盛灵气动机电有限公司 | Pressure regulation type gas source purifier |
| CN202149231U (en) * | 2011-07-27 | 2012-02-22 | 浙江百灵气动科技有限公司 | Filtering pressure reducing valve |
| CN204201211U (en) * | 2014-11-04 | 2015-03-11 | 浙江百灵气动科技有限公司 | Filtering pressure reducing valve |
| CN106641421A (en) * | 2016-11-08 | 2017-05-10 | 深圳市兰洋科技有限公司 | Code lock valve structure |
| CN208750088U (en) * | 2018-07-21 | 2019-04-16 | 浙江厚德气动元件有限公司 | Pressure regulation filter |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108825836A (en) | 2018-11-16 |
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| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Pressure regulating filter Granted publication date: 20240112 Pledgee: Zhejiang Xianju Rural Commercial Bank Co.,Ltd. Pledgor: ZHEJIANG HOUDE PNEUMATIC COMPONENTS Co.,Ltd. Registration number: Y2024330000426 |
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