CN112130593A - Damage-proof detachable maintenance intermittent fluid controller and adjusting method thereof - Google Patents
Damage-proof detachable maintenance intermittent fluid controller and adjusting method thereof Download PDFInfo
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- CN112130593A CN112130593A CN202011066750.0A CN202011066750A CN112130593A CN 112130593 A CN112130593 A CN 112130593A CN 202011066750 A CN202011066750 A CN 202011066750A CN 112130593 A CN112130593 A CN 112130593A
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- 239000012530 fluid Substances 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000012423 maintenance Methods 0.000 title claims abstract description 16
- 238000007789 sealing Methods 0.000 claims abstract description 19
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 15
- 230000008878 coupling Effects 0.000 claims description 9
- 238000010168 coupling process Methods 0.000 claims description 9
- 238000005859 coupling reaction Methods 0.000 claims description 9
- 238000002844 melting Methods 0.000 claims description 7
- 230000008018 melting Effects 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 6
- 238000010030 laminating Methods 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims 2
- 230000003750 conditioning effect Effects 0.000 claims 1
- 239000012943 hotmelt Substances 0.000 claims 1
- 230000002265 prevention Effects 0.000 claims 1
- 230000001105 regulatory effect Effects 0.000 claims 1
- 229910000831 Steel Inorganic materials 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 3
- 230000007774 longterm Effects 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000008602 contraction Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D7/00—Control of flow
- G05D7/06—Control of flow characterised by the use of electric means
- G05D7/0617—Control of flow characterised by the use of electric means specially adapted for fluid materials
- G05D7/0629—Control of flow characterised by the use of electric means specially adapted for fluid materials characterised by the type of regulator means
- G05D7/0635—Control of flow characterised by the use of electric means specially adapted for fluid materials characterised by the type of regulator means by action on throttling means
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- Engineering & Computer Science (AREA)
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Abstract
The invention discloses an anti-damage detachable maintenance intermittent fluid controller which comprises a first shell, a second shell, a liquid crystal display screen and a circuit board, wherein the top surface of the first shell is provided with a connecting groove, the top surface of the first shell is attached and connected with the bottom surface of the second shell, the inner surfaces of the first shell and the second shell are respectively and fixedly provided with a positioning shaft, the bottom surface of the second shell is fixedly provided with a positioning ring, and the outer surface of the positioning ring is adhered and provided with a sealing layer. This but intermittent type fluid controller of damage-proof split maintenance and regulation method thereof is connected through the block of through-hole and spacing axle, can carry out fixing work to the position of locating plate to accomplish the fixing work between first shell and the second shell, avoid producing not hard up, need not to fix through fasteners such as bolt simultaneously, follow-up accessible removes fixing work to the pulling of arm-tie, makes things convenient for holistic split to maintain, and is difficult to the device whole operation wearing and tearing.
Description
Technical Field
The invention relates to the technical field of fluid timing control, in particular to an anti-damage detachable maintenance intermittent fluid controller and an adjusting method thereof.
Background
The fluid timing control is mainly used for controlling the flowing state of liquid, so that the adjustment, diversion, flow cutoff and other work of the flowing work of the liquid are facilitated, and the fluid timing control is beneficial to the transmission work of the liquid, but the existing fluid timing controller still has the following problems;
1. in the using process, the high-precision micro-adjustment work cannot be carried out, meanwhile, the whole operation panel is generally fixed through clamping, the sealing performance of the assembled whole controller is not high, and the controller is easily influenced by external factors;
2. after fixing the controller through the block, follow-up work of carrying out fixed mounting through fasteners such as screw to lead to follow-up staff to carry out the during operation of maintaining the inside subassembly of controller in needs, it is convenient inadequately to the holistic split of the device, need use external instrument to operate simultaneously, and at the in-process of carrying out the split, take the device easily and cause the wearing and tearing phenomenon.
We have therefore proposed an anti-damage detachably maintained intermittent fluid controller and a method of adjusting the same in order to solve the problems set forth above.
Disclosure of Invention
The invention aims to provide an anti-damage detachable maintenance intermittent fluid controller and an adjusting method thereof, and aims to solve the problems that after the controller is clamped and fixed, the controller is fixed and installed by fasteners such as screws, so that when subsequent workers need to maintain components in the controller, the whole device is not convenient and fast to detach, external tools need to be used for operation, and the device is easy to wear during detaching.
In order to achieve the purpose, the invention provides the following technical scheme: an anti-damage and detachable-maintenance intermittent fluid controller comprises a first shell, a second shell, a liquid crystal display screen and a circuit board, the top surface of the first shell is provided with a connecting groove, the top surface of the first shell is jointed and connected with the bottom surface of the second shell, and the inner surfaces of the first shell and the second shell are respectively fixedly provided with a positioning shaft, the bottom surface of the second shell is fixedly provided with a positioning ring, the outer surface of the positioning ring is adhered with a sealing layer, and the sealing layer is positioned inside the connecting groove, the liquid crystal display screen is embedded and fixedly arranged on the second shell, the liquid crystal display screen is electrically connected with the circuit board, the circuit board is positioned in the first shell and the second shell, and the circuit board is connected with the locating shaft in a clamping manner, the second shell is provided with a push shaft, the bottom end of the inner wall of the second shell is connected with a fixed plate in a hot melting manner, and the top end of the inner wall of the first shell is connected with a straight plate in a hot melting manner.
Preferably, the connection mode of the positioning ring and the sealing layer with the connection groove is clamping connection, and the bottom ends of the positioning ring and the sealing layer are arc-shaped.
Preferably, the push shaft comprises a sleeve, a circular plate, a reset spring, a rubber layer and a fixing ring, the sleeve is installed on the outer side of the push shaft, the sleeve is fixedly connected with the inner wall of the second shell, the circular plate is installed on the outer surface of the push shaft, the reset spring is installed below the circular plate, the reset spring surrounds the outer side of the push shaft, the circular plate and the reset spring are located inside the sleeve, the top end of the push shaft is connected with the rubber layer in a laminating mode, the fixing ring is installed on the outer side of the frame of the rubber layer, and the fixing ring is connected with the top surface of the second shell in a hot melting mode.
Preferably, the push shafts are distributed on the second housing at equal intervals, and the push shafts and the sleeve form a telescopic structure through a circular plate and a return spring.
Preferably, the fixing plate comprises a positioning plate and a through hole, the positioning plate is fixedly mounted on the bottom surface of the fixing plate, and the through hole is formed in the positioning plate.
Preferably, the fixing plates are symmetrically distributed about a longitudinal center line of the second housing, the width of the fixing plates is greater than that of the positioning plate, and front and rear sides of the bottom end of the positioning plate are in an inclined structure.
Preferably, the straight board includes constant head tank, spacing axle, coupling spring, wire rope, location pulley and arm-tie, and the constant head tank has been seted up to the top surface of straight board to the constant head tank is connected with the locating plate block, the internally mounted of straight board has spacing axle, and the one end fixed mounting of spacing axle has coupling spring and wire rope to coupling spring is located the inside of straight board, and wire rope passes the fixed surface of straight board, location pulley and first shell and arm-tie simultaneously and is connected, location pulley fixed mounting is at the surface of straight board.
Preferably, the limit shaft and the straight plate form a telescopic structure through a connecting spring, the limit shaft is connected with the through hole in a clamping manner, and the limit shaft is symmetrically distributed about the longitudinal center line of the straight plate.
The invention provides another technical scheme which is an anti-damage detachable maintenance intermittent fluid controller adjusting method, comprising the following steps:
the method comprises the following steps: under the control of an STC89C52RC single chip microcomputer, a man-machine operation interface is established for the intermittent fluid controller;
step two: the setting key and the add-subtract key on the intermittent fluid controller set the operation of the running time, the opening time and the closing time;
step three: the STC89C52RC single chip microcomputer is combined with a storage chip and a clock chip to perform storage analysis on the set time;
step four: the liquid crystal display device displays the set time data;
step five: the STC89C52RC single chip microcomputer controls the on and off of the relay so as to control the liquid flow system.
Compared with the prior art, the invention has the beneficial effects that: the anti-damage detachable maintenance intermittent fluid controller and an adjusting method thereof;
1. the positioning ring and the sealing layer are connected with the connecting groove in a clamping manner, so that the sealing performance after the first shell and the second shell are assembled can be improved, the damage of the device caused by external factors is reduced, and meanwhile, the positioning work can be performed on the assembly between the first shell and the second shell;
2. the rubber layer can drive the push shaft to work and operate by pressing the rubber layer, so that subsequent key operation of the device is facilitated, and meanwhile, the push shaft can extend and retract in the sleeve through the reset spring and the circular plate, so that the long-term use is facilitated, and the phenomenon of insufficient elasticity of the keys on the device in the subsequent process is avoided;
3. the through hole is connected with the block of spacing axle, can carry out fixing work to the position of locating plate to accomplish the fixing work between first shell and the second shell, avoid producing not hard up, need not to fix through fasteners such as bolt simultaneously, fixing work is relieved to the pulling of arm-tie to follow-up accessible, makes things convenient for holistic split to maintain, and is difficult to whole operation wearing and tearing to the device.
Drawings
FIG. 1 is a schematic overall perspective view of the present invention;
FIG. 2 is a schematic view of the overall front cross-sectional structure of the present invention;
FIG. 3 is an enlarged view of the structure at A in FIG. 2 according to the present invention;
FIG. 4 is an enlarged view of the structure at B in FIG. 2 according to the present invention;
FIG. 5 is a schematic top view of a cross-sectional structure of a straight plate according to the present invention;
FIG. 6 is a perspective view of a fixing plate according to the present invention;
FIG. 7 is a perspective view of a first housing of the present invention;
FIG. 8 is a schematic perspective view of a pulling plate according to the present invention;
FIG. 9 is a schematic perspective view of a straight plate according to the present invention;
FIG. 10 is a schematic flow chart of the overall system of the present invention.
In the figure: 1. a first housing; 2. connecting grooves; 3. a second housing; 4. positioning the shaft; 5. a positioning ring; 6. a sealing layer; 7. a liquid crystal display screen; 8. a circuit board; 9. pushing the shaft; 91. a sleeve; 92. a circular plate; 93. a return spring; 94. a rubber layer; 95. a fixing ring; 10. a fixing plate; 101. positioning a plate; 102. a through hole; 11. a straight plate; 111. positioning a groove; 112. a limiting shaft; 113. a connecting spring; 114. a wire rope; 115. positioning the pulley; 116. and (5) pulling the plate.
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.
Referring to fig. 1-10, the present invention provides a technical solution: an anti-damage detachable maintenance intermittent fluid controller comprises a first shell 1, a second shell 3, a liquid crystal display 7 and a circuit board 8, wherein the top surface of the first shell 1 is provided with a connecting groove 2, the top surface of the first shell 1 is connected with the bottom surface of the second shell 3 in an attaching way, the inner surfaces of the first shell 1 and the second shell 3 are respectively and fixedly provided with a positioning shaft 4, the bottom surface of the second shell 3 is fixedly provided with a positioning ring 5, the outer surface of the positioning ring 5 is provided with a sealing layer 6 in an attaching way, the sealing layer 6 is positioned in the connecting groove 2, the liquid crystal display 7 is fixedly installed on the second shell 3 in an embedding way, the liquid crystal display 7 is electrically connected with the circuit board 8, the circuit board 8 is positioned in the first shell 1 and the second shell 3, the circuit board 8 is connected with the positioning shaft 4 in a clamping way, the second shell 3 is provided with a push shaft 9, and the bottom end of the, the top end of the inner wall of the first shell 1 is connected with a straight plate 11 in a hot melting way.
The connected mode of holding ring 5 and sealing layer 6 and spread groove 2 is the block connection, and the bottom of holding ring 5 and sealing layer 6 is the arc form, is favorable to holding ring 5 and sealing layer 6 to slide into the inside of spread groove 2 and carries out the block connection to the leakproofness after first shell 1 and the 3 equipment of second shell has been increased.
The push shaft 9 comprises a sleeve 91, a circular plate 92, a return spring 93, a rubber layer 94 and a fixing ring 95, the sleeve 91 is installed on the outer side of the push shaft 9, the sleeve 91 is fixedly connected with the inner wall of the second shell 3, the circular plate 92 is fixedly installed on the outer surface of the push shaft 9, the return spring 93 is installed below the circular plate 92, the return spring 93 surrounds the outer side of the push shaft 9, the circular plate 92 and the return spring 93 are located inside the sleeve 91, the top end of the push shaft 9 is connected with the rubber layer 94 in an attached mode, the fixing ring 95 is fixedly installed on the outer side of the frame of the rubber layer 94, and the fixing ring 95 is in hot melting connection with the top surface of the second shell 3.
Push away axle 9 and distribute at equidistant on second shell 3, and push away axle 9 and constitute extending structure through plectane 92 and reset spring 93 and sleeve 91, be favorable to pushing away to carry out the shrink operation after the axle 9 atress, push away the elasticity of axle 9 accessible reset spring 93 simultaneously and promote and carry out lasting reseing to conveniently carry out long-term use.
The fixing plate 10 comprises a positioning plate 101 and a through hole 102, the positioning plate 101 is fixedly mounted on the bottom surface of the fixing plate 10, and the through hole 102 is formed in the positioning plate 101, so that the subsequent assembly fixing work between the first shell 1 and the second shell 3 is facilitated, and the installation is convenient.
The fixing plate 10 is symmetrically distributed about the longitudinal center line of the second housing 3, the width of the fixing plate 10 is greater than that of the positioning plate 101, and the front side and the rear side of the bottom end of the positioning plate 101 are of inclined structures, so that the positioning plate 101 can extrude the limiting shaft 112 to push after the subsequent positioning plate 101 slides into the positioning groove 111, and automatic fixing and mounting work is conveniently performed.
The limiting shaft 112 and the straight plate 11 form a telescopic structure through the connecting spring 113, the connecting mode of the limiting shaft 112 and the through hole 102 is clamping connection, the limiting shaft 112 is symmetrically distributed about the longitudinal central line of the straight plate 11, the limiting shaft 112 is connected with the through hole in a clamping mode, the position of the positioning plate can be fixed, and the whole fixed installation work is facilitated.
In order to better show a specific using method of the anti-damage detachably maintained intermittent fluid controller, the adjusting method of the anti-damage detachably maintained intermittent fluid controller in the embodiment comprises the following steps:
the method comprises the following steps: under the control of an STC89C52RC single chip microcomputer, a man-machine operation interface is established for the intermittent fluid controller;
step two: the setting key and the add-subtract key on the intermittent fluid controller set the operation of the running time, the opening time and the closing time;
step three: the STC89C52RC single chip microcomputer is combined with a storage chip and a clock chip to perform storage analysis on the set time;
step four: the liquid crystal display device displays the set time data;
step five: the STC89C52RC single chip microcomputer controls the on and off of the relay so as to control the liquid flow system.
The working principle of the embodiment is as follows: according to fig. 1-3, firstly, a worker can fixedly mount the whole device at a proper position and then electrically connect the device with a circuit, the whole operation process and information can be known through the liquid crystal display 7, and simultaneously the push shaft 9 can be pushed by pressing the rubber layer 94, so that the push shaft 9 is distributed in the second housing 3 and the sleeve 91 to slide downwards, so that the push shaft 9 presses the circuit board 8, and meanwhile, the push shaft 9 can push the reset spring 93 to contract and operate through the circular plate 92, so that the subsequent reset spring 93 can push the push shaft 9 to reset through the circular plate 92, the long-term use is facilitated, and the elasticity of the whole key is prevented from weakening;
according to fig. 1-2, 4-5 and 7-9, when the circuit board 8 and the whole device need to be maintained, the device needs to be disassembled, the pulling plate 116 can be pulled manually, the pulling plate 116 pulls the steel wire rope 114, so that the steel wire rope 114 can perform stable sliding corner operation through the positioning pulley 115, then the steel wire rope 114 can pull the limiting shaft 112 in the straight plate 11, so that the limiting shaft 112 can perform contraction operation in the straight plate 11, so that the limiting shaft 112 and the through hole 102 can perform sliding separation, the fixing operation on the positioning plate 101 is released, and meanwhile, the limiting shaft 112 can push the connecting spring 113 to perform contraction operation in the straight plate 11, so that the subsequent resetting operation is facilitated;
according to fig. 1-2 and fig. 4-6, the operator can manually toggle the second housing 3, so that the second housing 3 drives the positioning plate 101 on the fixing plate 10 to slide away from the positioning slot 111, thereby separating the second shell 3 and the first shell 1 from each other, the second shell 3 drives the positioning ring 5 and the sealing layer 6 to slide and separate from the connecting groove 2, meanwhile, the positioning shaft 4 on the second shell 3 is separated from the circuit board 8 in a sliding way, the positioning work of the circuit board 8 is released, thereby facilitating the subsequent staff to maintain the internal components of the device, being beneficial to the integral disassembly operation, meanwhile, the device is not abraded integrally due to the disassembly and assembly work, is convenient to use for a long time, is the working process of the whole device, and those not described in detail in this specification are well within the skill of those in the art.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (9)
1. The utility model provides an intermittent type fluid controller that but damage prevention split was maintained, includes first shell (1), second shell (3), liquid crystal display (7) and circuit board (8), its characterized in that: the connecting groove (2) is formed in the top surface of the first shell (1), the top surface of the first shell (1) is connected with the bottom surface of the second shell (3) in a laminating mode, the positioning shaft (4) is fixedly mounted on the inner surfaces of the first shell (1) and the second shell (3) respectively, the positioning ring (5) is fixedly mounted on the bottom surface of the second shell (3), the sealing layer (6) is mounted on the outer surface of the positioning ring (5) in an adhering mode, the sealing layer (6) is located inside the connecting groove (2), the liquid crystal display screen (7) is fixedly mounted on the second shell (3) in an embedding mode, the liquid crystal display screen (7) is electrically connected with the circuit board (8), the circuit board (8) is located inside the first shell (1) and the second shell (3), the circuit board (8) is connected with the positioning shaft (4) in a clamping mode, the pushing shaft (9) is mounted on the second shell (3, and the bottom end of the inner wall of the second shell (3) is connected with a fixed plate (10) in a hot melting way, and the top end of the inner wall of the first shell (1) is connected with a straight plate (11) in a hot melting way.
2. The controller of claim 1, wherein the controller is configured to prevent damage and to allow separate maintenance of the controller: the connection mode of holding ring (5) and sealing layer (6) and spread groove (2) is the block connection, and the bottom of holding ring (5) and sealing layer (6) is the arc form.
3. The controller of claim 1, wherein the controller is configured to prevent damage and to allow separate maintenance of the controller: push away axle (9) including sleeve (91), plectane (92), reset spring (93), rubber layer (94) and solid fixed ring (95), and push away the outside of axle (9) and install sleeve (91), and inner wall fixed connection of sleeve (91) and second shell (3), the outer fixed surface who pushes away axle (9) installs plectane (92), and plectane (92) below installs reset spring (93), and reset spring (93) centers on the outside of pushing away axle (9), and plectane (92) and reset spring (93) are located the inside of sleeve (91) simultaneously, the top of pushing away axle (9) is connected with the laminating of rubber layer (94), and the frame outside fixed mounting of rubber layer (94) has solid fixed ring (95) to gu fixed ring (95) is connected with the top surface hot melt of second shell (3).
4. The controller of claim 3, wherein the controller is configured to prevent damage and to allow separate maintenance of the controller: the push shafts (9) are distributed on the second shell (3) at equal intervals, and the push shafts (9) and the sleeve (91) form a telescopic structure through a circular plate (92) and a return spring (93).
5. The controller of claim 1, wherein the controller is configured to prevent damage and to allow separate maintenance of the controller: the fixing plate (10) comprises a positioning plate (101) and a through hole (102), the positioning plate (101) is fixedly mounted on the bottom surface of the fixing plate (10), and the through hole (102) is formed in the positioning plate (101).
6. The controller of claim 5, wherein the controller is configured to prevent damage and to allow separate maintenance of the controller: the fixing plates (10) are symmetrically distributed about the longitudinal center line of the second shell (3), the width of the fixing plates (10) is larger than that of the positioning plate (101), and the front side and the rear side of the bottom end of the positioning plate (101) are of inclined structures.
7. The controller of claim 5, wherein the controller is configured to prevent damage and to allow separate maintenance of the controller: straight board (11) include constant head tank (111), spacing axle (112), coupling spring (113), wire rope (114), positioning pulley (115) and arm-tie (116), and constant head tank (111) have been seted up to the top surface of straight board (11) to constant head tank (111) are connected with locating plate (101) block, the internally mounted of straight board (11) has spacing axle (112), and the one end fixed mounting of spacing axle (112) has coupling spring (113) and wire rope (114), and coupling spring (113) are located the inside of straight board (11), and wire rope (114) pass straight board (11), positioning pulley (115) and first shell (1) and the outer fixed surface of arm-tie (116) simultaneously and are connected, positioning pulley (115) fixed mounting is at the surface of straight board (11).
8. The controller and method of regulating the same according to claim 7, wherein the controller comprises: the limiting shaft (112) and the straight plate (11) form a telescopic structure through a connecting spring (113), the limiting shaft (112) is connected with the through hole (102) in a clamping mode, and the limiting shaft (112) is symmetrically distributed about the longitudinal center line of the straight plate (11).
9. The method of conditioning a tamper-resistant detachably maintained intermittent fluid controller as claimed in claim 1, further comprising: the method comprises the following steps:
the method comprises the following steps: under the control of an STC89C52RC single chip microcomputer, a man-machine operation interface is established for the intermittent fluid controller;
step two: the setting key and the add-subtract key on the intermittent fluid controller set the operation of the running time, the opening time and the closing time;
step three: the STC89C52RC single chip microcomputer is combined with a storage chip and a clock chip to perform storage analysis on the set time;
step four: the liquid crystal display device displays the set time data;
step five: the STC89C52RC single chip microcomputer controls the on and off of the relay so as to control the liquid flow system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011066750.0A CN112130593A (en) | 2020-10-03 | 2020-10-03 | Damage-proof detachable maintenance intermittent fluid controller and adjusting method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011066750.0A CN112130593A (en) | 2020-10-03 | 2020-10-03 | Damage-proof detachable maintenance intermittent fluid controller and adjusting method thereof |
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| CN112130593A true CN112130593A (en) | 2020-12-25 |
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| CN202011066750.0A Pending CN112130593A (en) | 2020-10-03 | 2020-10-03 | Damage-proof detachable maintenance intermittent fluid controller and adjusting method thereof |
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| CN210279608U (en) * | 2019-07-30 | 2020-04-10 | 天津天管防腐工程有限公司 | Spraying device convenient for collecting redundant epoxy-preventing coal tar pitch pipeline for processing |
| CN210398839U (en) * | 2019-09-30 | 2020-04-24 | 深圳市极成光电有限公司 | Power supply box |
| CN211127553U (en) * | 2019-12-30 | 2020-07-28 | 广州具佳自动化科技有限公司 | Waterproof heat dissipation frequency conversion device |
| CN214278754U (en) * | 2020-10-03 | 2021-09-24 | 海南浦金科技有限责任公司 | Damage-proof intermittent fluid controller capable of being disassembled and maintained |
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