CN112268025B - Drainage device and drainage method of pneumatic membrane regulating valve - Google Patents
Drainage device and drainage method of pneumatic membrane regulating valve Download PDFInfo
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- CN112268025B CN112268025B CN202011141531.4A CN202011141531A CN112268025B CN 112268025 B CN112268025 B CN 112268025B CN 202011141531 A CN202011141531 A CN 202011141531A CN 112268025 B CN112268025 B CN 112268025B
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- 230000001105 regulatory effect Effects 0.000 title claims abstract description 24
- 239000012528 membrane Substances 0.000 title claims abstract description 13
- 238000000034 method Methods 0.000 title claims abstract description 13
- 239000007788 liquid Substances 0.000 claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 33
- 238000003860 storage Methods 0.000 claims description 18
- 238000007789 sealing Methods 0.000 claims description 17
- 230000006978 adaptation Effects 0.000 claims description 7
- 230000000903 blocking effect Effects 0.000 claims 1
- 239000000428 dust Substances 0.000 abstract description 4
- 239000010408 film Substances 0.000 description 8
- 238000003466 welding Methods 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 230000002146 bilateral effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
- F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
- F04F5/14—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being elastic fluid
- F04F5/24—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being elastic fluid displacing liquids, e.g. containing solids, or liquids and elastic fluids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/04—Cleaning by suction, with or without auxiliary action
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F1/00—Methods, systems, or installations for draining-off sewage or storm water
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F1/00—Methods, systems, or installations for draining-off sewage or storm water
- E03F1/006—Pneumatic sewage disposal systems; accessories specially adapted therefore
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
- F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
- F04F5/44—Component parts, details, or accessories not provided for in, or of interest apart from, groups F04F5/02 - F04F5/42
-
- 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
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B2/00—Friction-grip releasable fastenings
- F16B2/02—Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening
- F16B2/06—Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening external, i.e. with contracting action
-
- 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
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
-
- 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
- F16K27/00—Construction of housing; Use of materials therefor
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanically-Actuated Valves (AREA)
Abstract
The invention discloses a drainage device of a pneumatic membrane regulating valve and a drainage method thereof, and the drainage device comprises two mutually symmetrical outer shells, wherein the front surfaces of the outer shells are fixedly connected with a connecting shell, the upper surfaces of the outer shells are fixedly connected with an upper shell, the upper surface of the upper shell is hinged with an upper end cover, the front surface of the upper shell is welded with a containing shell, the rear surface of the upper shell is fixedly connected with a connecting rod, the lower surface of the connecting rod is bonded with a rubber handle, the outer surface of the connecting rod is hinged with a supporting handle, the inner side wall of the outer shell is fixedly connected with a motor, and an output shaft of the motor is welded with a negative pressure fan; the air is discharged at high speed through the rotation of the fan blades of the negative pressure fan, and the air of the dust suction part at the front end of the fan is not supplemented with the air of the fan, so that instant vacuum is generated inside the outer shell, and negative pressure difference is formed between the air and the outside, so that the outer shell sucks the liquid inside the pneumatic film regulating valve under the action of the negative pressure difference.
Description
Technical Field
The invention relates to the technical field of drainage devices, in particular to a drainage device and a drainage method of a pneumatic membrane regulating valve.
Background
Pneumatic diaphragm regulating valves are the most widely used type of final control element, including metering pumps, regulating and louvered dampers (a variant of butterfly valves), variable pitch fan blades, current regulating devices and motor positioning devices other than valves; despite the widespread use of regulator valves, in many systems, the operating conditions to which the valves are subjected, such as temperature, pressure, corrosion and contamination, are more severe than other components, and therefore, cleaning of the liquid within them is essential.
Most of cleaning methods for the pneumatic membrane regulating valve in the traditional technology are manual wiping, so that the cleaning is difficult, and time and labor are wasted.
Therefore, a drainage device and a drainage method of the pneumatic membrane regulating valve are provided.
Disclosure of Invention
The present invention is directed to a drainage device and a drainage method for a pneumatic membrane control valve, so as to solve the problems of the background art.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a drainage device of pneumatic membrane governing valve, includes the shell body of two symmetries of each other, its characterized in that: the utility model discloses a motor, including shell body, front surface fixedly connected with connecting casing, last fixed surface of shell body is connected with the casing, the upper surface of going up the casing articulates there is the upper end cover, the front surface welding of going up the casing has and holds the casing, the back fixed surface of going up the casing is connected with the connecting rod, the lower surface of connecting rod bonds there is the rubber handle, the surface of connecting rod articulates there is the support hand, the inside wall fixedly connected with motor of shell body, the output shaft welding of motor has negative-pressure air fan, rectangular groove has been seted up to the inside wall of shell body, the inside wall rear portion of shell body articulates there is the switch, two bins of bilateral symmetry fixedly connected with of shell body, the inside wall sliding connection of bin has a plurality of rubber sealing pad.
As further preferable in the present technical solution: the front surface of the connecting shell is fixedly connected with a rubber sucker.
As further preferable in the present technical solution: the inner side wall of the upper shell is fixedly connected with a storage battery, and an electrical output end of the storage battery is electrically connected with an electrical input end of the push rod.
As further preferable in the present technical solution: the inside wall sliding connection who holds the casing has the body of rod, the front surface fixedly connected with fixed cover of the body of rod.
As further preferable in the present technical solution: the inside wall symmetry fixedly connected with three first spring of fixed cover, the lower fixed surface of first spring is connected with fixed calliper.
As further preferable in the present technical solution: the output shaft of the motor is hinged with a sealing ring.
As further preferable in the present technical solution: the lower part of the outer surface of the upper shell is clamped with a water tank, and the inner side wall of the water tank is matched with the rectangular groove.
As further preferable in the present technical solution: the surface sliding connection of switch has the push rod, the surface fixed connection of push rod has the second spring, the front surface of push rod with motor looks adaptation, the inside wall fixedly connected with pneumatic film governing valve of rubber suction cup, the inside wall of rubber suction cup with the air inlet or the gas outlet looks adaptation of pneumatic film governing valve, the air inlet of pneumatic film governing valve or the inside wall of gas outlet with rubber sealing pad looks adaptation.
In addition, the invention also provides a drainage method of the drainage device of the pneumatic membrane regulating valve, which comprises the following steps:
s1, plugging the rest air outlet/inlet ports of a target valve body by using a rubber sealing pad in a storage box, and then aligning and inserting a rubber suction cup at the front part of an outer shell into the target air outlet/inlet port;
s2, pulling the rod body to a corresponding position, then sleeving the fixed calipers into the whole outer shell under the action of the first spring, and then adjusting the support hand to the corresponding position and supporting the support hand by using a shoulder;
and S3, pressing a switch to start the negative pressure fan to pump water, and enabling the sucked water to fall into the water tank from the rectangular groove.
As further preferable in the present technical solution: in S3, after the water suction operation is completed, the worker may remove the water tank to dispose of the liquid drawn out of the valve body.
Compared with the prior art, the invention has the beneficial effects that:
1. the fan blades of the negative pressure fan rotate to discharge air at high speed, and the air of the dust suction part at the front end of the fan is not continuously supplemented with the air of the fan, so that instant vacuum is generated inside the outer shell, and negative pressure difference is formed between the air and the outside, so that the outer shell sucks liquid inside the pneumatic film regulating valve under the action of the negative pressure difference.
2. The whole device is easy to move and convenient to operate, can be stably matched with the regulating valve under the action of the calipers, and can be suitable for different regulating valves of different models and different batches.
Drawings
FIG. 1 is a schematic view of a three-dimensional structure of a pneumatic diaphragm regulating valve of the present invention in cooperation with an outer casing;
FIG. 2 is a schematic perspective view of a pneumatic diaphragm regulator valve according to the present invention;
FIG. 3 is a schematic perspective view of the outer casing of the present invention;
FIG. 4 is a schematic cross-sectional perspective view of the outer housing of the present invention;
FIG. 5 is a schematic cross-sectional perspective view of an outer casing according to another aspect of the present invention;
FIG. 6 is a schematic cross-sectional perspective view of an outer casing according to another aspect of the present invention;
fig. 7 is a schematic diagram of a three-dimensional structure of the pneumatic diaphragm regulating valve of the present invention in cooperation with an outer housing.
In the figure: 1. a pneumatic membrane regulating valve; 2. a rubber seal; 3. an outer housing; 301. a rectangular groove; 4. connecting the shell; 5. a rubber suction cup; 6. an upper housing; 601. an upper end cover; 7. a housing case; 701. a rod body; 8. fixing a sleeve; 801. a first spring; 802. fixing calipers; 9. a storage battery; 10. a connecting rod; 11. a rubber handle; 12. supporting a hand; 13. a switch; 14. a push rod; 15. a second spring; 16. a motor; 1601. a seal ring; 17. a negative pressure fan; 18. a water tank; 19. a storage box.
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.
Examples
Referring to fig. 1-7, the present invention provides a technical solution: the utility model provides a drainage device of pneumatic film governing valve, shell body 3 including two symmetries of each other, the preceding fixed surface of shell body 3 is connected with connecting casing 4, the last fixed surface of shell body 3 is connected with casing 6, the upper surface of going up casing 6 articulates there is upper end cover 601, the front skin welding of going up casing 6 has holding casing 7, the back fixed surface of going up casing 6 is connected with connecting rod 10, the lower surface of connecting rod 10 bonds there is rubber handle 11, the surface of connecting rod 10 articulates there is the tong 12, the inside wall fixedly connected with motor 16 of shell body 3, the output shaft welding of motor 16 has negative-pressure air fan 17, rectangular groove 301 has been seted up to the inside wall of shell body 3, the inside wall rear portion of shell body 3 articulates there is switch 13, go up two bin 19 of bilateral symmetry fixedly connected with of casing 6, bin 19's inside wall sliding connection has a plurality of rubber sealing pad 2.
In this embodiment, specifically: the front surface of the connecting shell 4 is fixedly connected with a rubber sucker 5; the rubber sucker 5 is responsible for completely eliminating gaps at the part matched with the valve body before the connection shell 4, so that the influence on the subsequent water absorption work is avoided;
in this embodiment, specifically: the inner side wall of the upper shell 6 is fixedly connected with a storage battery 9; the electrical output end of the storage battery 9 is electrically connected with the electrical input end of the push rod 14.
In this embodiment, specifically: the inner side wall of the accommodating shell 7 is connected with a rod body 701 in a sliding manner, and the front surface of the rod body 701 is fixedly connected with a fixed sleeve 8; the retaining sleeve 8 is free to move forward and backward under the action of the rod 701.
In this embodiment, specifically: the inner side wall of the fixed sleeve 8 is symmetrically and fixedly connected with three first springs 801, and the lower surfaces of the first springs 801 are fixedly connected with fixed calipers 802; before the water absorption operation, a worker firstly adjusts the telescopic distance between the fixing sleeve 8 and the rod body 701 to be located on the outer surface of the outer pipe body of the valve body needing water pumping, the valve body is clamped by the fixed caliper 802 under the action of the first spring 801 and the fixing sleeve 8, and the situation that vibration generated in the subsequent use process influences the work can be avoided under the dual cooperation of the fixed caliper 802 and the support handle 12
In this embodiment, specifically: an output shaft of the motor 16 is hinged with a sealing ring 1601; when the blades of the negative pressure fan 17 rotate to discharge air at a high speed, and the air of the dust suction part at the front end of the fan is not supplemented with the air of the fan, so that instant vacuum is generated inside the outer shell 3, and negative pressure difference is formed between the air and the outside, so that the outer shell 3 sucks liquid in the valve under the action of the negative pressure difference, the sealing ring 1601 can prevent the liquid from contacting the motor 16.
In this embodiment, specifically: the lower part of the outer surface of the outer shell 3 is clamped with a water tank 18, and the inner side wall of the water tank 18 is matched with the rectangular groove 301; when the negative pressure fan 17 sucks the liquid in the valve body into the outer shell 3, the liquid drops into the rectangular groove 301 in the water tank 18 due to the influence of gravity; after the water suction operation is finished, the worker can pull out the water tank 18 to dispose of the liquid drawn out of the valve body.
In this embodiment, specifically: the outer surface of the switch 13 is connected with a push rod 14 in a sliding manner, the outer surface of the push rod 14 is fixedly connected with a second spring 15, and the front surface of the push rod 14 is matched with a motor 16; when the switch 13 is pressed, the push rod 14 is touched to move forwards and the second spring 15 is compressed, and the push rod 14 is electrically connected with the storage battery 9 so that the storage battery can supply power to the motor 16; when the switch 13 is released, the push rod 14 is reset due to the recovery of the second spring 15, so that the effect of power failure is achieved, the pneumatic film regulating valve 1 is fixedly connected to the inner side wall of the rubber sucker 5, the inner side wall of the rubber sucker 5 is matched with the air inlet or the air outlet of the pneumatic film regulating valve 1, and the inner side wall of the air inlet or the air outlet of the pneumatic film regulating valve 1 is matched with the rubber sealing pad 2; the worker can firstly block the rest of the air inlet and outlet ports of the target valve body by using the rubber sealing pad 2 in the storage tank 19, then align the rubber suction cup 5 at the front part of the outer shell 3 with the inserted target air inlet and can replace the rubber sealing pad 2 into the storage tank 19 after the work is finished.
In addition, the invention also provides a drainage method of the drainage device of the pneumatic membrane regulating valve, which comprises the following steps:
s1, plugging the rest air inlet and outlet ports of a target valve body by a rubber sealing pad 2 in a storage box 19, and aligning and inserting a rubber sucker 5 at the front part of an outer shell 3 into the target air inlet and outlet port;
s2, pulling the rod body 701 to an outer cylinder of an air outlet or an air inlet of the valve body at a corresponding position, then sleeving the fixed caliper 802 into the whole outer cylinder under the action of the first spring 801, and then adjusting the support hand 12 to the corresponding position and supporting the support hand by using shoulders;
s3, the switch 13 is pressed down to start the negative pressure fan 17 to pump water, and the sucked water falls into the water tank 18 from the rectangular groove 301.
In this embodiment, specifically: in S3, after the water suction operation is completed, the worker can handle the liquid drawn out of the valve body by pulling out the water tank 18.
Working principle or structural principle: the worker firstly blocks the rest air inlet and outlet ports of the target movable membrane regulating valve 1 by the rubber sealing pad 2 in the storage box 19, then aligns and inserts the rubber sucker 5 at the front part of the outer shell 3 into the target air inlet and outlet port, presses the switch 13, touches the push rod 14 to move forwards and compresses the second spring 15, and the electric connection of the push rod 14 and the storage battery 9 can enable the push rod 14 to supply power to the motor 16; the motor 16 drives the negative pressure fan 17 to work, when the blades of the negative pressure fan 17 rotate to discharge air at a high speed, and the air of the dust suction part at the front end of the fan is not supplemented with the air of the fan, so that instant vacuum is generated inside the outer shell 3, and negative pressure difference is formed between the outer shell 3 and the outside, so that the outer shell 3 sucks liquid inside the pneumatic thin film regulating valve 1 under the action of the negative pressure difference, and the sealing ring 1601 can prevent the liquid from contacting the motor 16; meanwhile, when the water is sucked into the outer shell 3, the water drops into the rectangular groove 301 in the water tank 18 due to the influence of gravity; after the water absorption operation is finished, the worker can pull out the water tank 18 to process the liquid pumped out of the valve body; when the switch 13 is released, the push rod 14 is reset due to the recovery of the second spring 15, so that the power failure effect is achieved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a pneumatic membrane governing valve's drainage device, includes two shell bodies (3) of symmetry each other, its characterized in that: the front surface of the outer shell (3) is fixedly connected with a connecting shell (4), the upper surface of the outer shell (3) is fixedly connected with an upper shell (6), the upper surface of the upper shell (6) is hinged with an upper end cover (601), the front surface of the upper shell (6) is welded with a containing shell (7), the rear surface of the upper shell (6) is fixedly connected with a connecting rod (10), the lower surface of the connecting rod (10) is bonded with a rubber handle (11), the outer surface of the connecting rod (10) is hinged with a supporting handle (12), the inner side wall of the outer shell (3) is fixedly connected with a motor (16), an output shaft of the motor (16) is welded with a negative pressure fan (17), a rectangular groove (301) is formed in the inner side wall of the outer shell (3), the rear portion of the inner side wall of the outer shell (3) is hinged with a switch (13), two storage boxes (19) are symmetrically and fixedly connected with two sides of the upper shell (6), and the inner side wall of each storage box (19) is slidably connected with a plurality of rubber sealing pads (2); the pneumatic film adjusting valve is characterized in that the front surface of the connecting shell (4) is fixedly connected with a rubber sucker (5), and the inner side wall of the rubber sucker (5) is fixedly connected with a pneumatic film adjusting valve (1).
2. The pneumatic diaphragm regulator valve drain of claim 1, wherein: the inner side wall of the upper shell (6) is fixedly connected with a storage battery (9).
3. The pneumatic diaphragm regulator valve drain of claim 1, wherein: the inside wall sliding connection who holds casing (7) has the body of rod (701), the fixed cover (8) of fixed surface connection of the front surface of the body of rod (701).
4. A pneumatic diaphragm control valve drain according to claim 3, wherein: the inner side wall of the fixed sleeve (8) is symmetrically and fixedly connected with three first springs (801), and the lower surface of each first spring (801) is fixedly connected with fixed calipers (802).
5. The pneumatic diaphragm regulator valve drain of claim 1, wherein: an output shaft of the motor (16) is hinged with a sealing ring (1601).
6. The pneumatic diaphragm regulator valve drain of claim 1, wherein: the outer surface lower part joint of shell body (3) has water tank (18), the inside wall of water tank (18) with rectangular groove (301) looks adaptation.
7. The pneumatic diaphragm regulator valve drain of claim 1, wherein: the surface sliding connection of switch (13) has push rod (14), the fixed surface of push rod (14) is connected with second spring (15), the front surface of push rod (14) with motor (16) looks adaptation, the inside wall of rubber suction cup (5) with the air inlet or the gas outlet looks adaptation of pneumatic film governing valve (1), the air inlet of pneumatic film governing valve (1) or the inside wall of gas outlet with rubber sealing pad (2) looks adaptation.
8. A method of draining a drain of a pneumatic diaphragm regulating valve according to any one of claims 1 to 7, comprising the steps of:
s1, blocking the rest air inlet/outlet ports of a target valve body by a rubber sealing gasket (2) in a storage box (19), and aligning and inserting a rubber suction cup (5) at the front part of an outer shell (3) into the target air inlet/outlet port;
s2, pulling a rod body (701) which is connected to the inner side wall of the accommodating shell (7) in a sliding mode to a corresponding position, then sleeving a fixed caliper (802) which is fixedly connected in a fixed sleeve (8) on the front surface of the rod body (701) into a fixed target valve body under the action of a first spring (801), and then adjusting a support hand (12) to the corresponding position and abutting against the support hand with shoulders;
s3, a switch (13) is pressed down to start the negative pressure fan (17) to pump water, and the sucked water falls into the water tank (18) from the rectangular groove (301).
9. The method of draining a drain of a pneumatic diaphragm regulator valve of claim 8, wherein: in S3, after the water suction operation is finished, the worker can handle the liquid drawn out of the valve body by pulling out the water tank (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011141531.4A CN112268025B (en) | 2020-10-22 | 2020-10-22 | Drainage device and drainage method of pneumatic membrane regulating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011141531.4A CN112268025B (en) | 2020-10-22 | 2020-10-22 | Drainage device and drainage method of pneumatic membrane regulating valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112268025A CN112268025A (en) | 2021-01-26 |
| CN112268025B true CN112268025B (en) | 2022-11-25 |
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| CN202011141531.4A Active CN112268025B (en) | 2020-10-22 | 2020-10-22 | Drainage device and drainage method of pneumatic membrane regulating valve |
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Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101590300A (en) * | 2008-05-26 | 2009-12-02 | 蔡信东 | Manual negative pressure aspirator |
| DE102011050697A1 (en) * | 2011-05-27 | 2012-11-29 | Leifheit Ag | Liquid suction device for removing and absorbing liquids |
| CN203711447U (en) * | 2013-12-20 | 2014-07-16 | 浙江吉利控股集团有限公司 | Portable vacuum liquid sucking device |
| CN106620906A (en) * | 2017-01-06 | 2017-05-10 | 广西壮族自治区人民医院 | Portable aspirator |
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