CN112393897A - Repeated type checking device for through flow of water valve - Google Patents

Repeated type checking device for through flow of water valve Download PDF

Info

Publication number
CN112393897A
CN112393897A CN202011343330.2A CN202011343330A CN112393897A CN 112393897 A CN112393897 A CN 112393897A CN 202011343330 A CN202011343330 A CN 202011343330A CN 112393897 A CN112393897 A CN 112393897A
Authority
CN
China
Prior art keywords
water
ring
rotating wheel
pipe
tank
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.)
Withdrawn
Application number
CN202011343330.2A
Other languages
Chinese (zh)
Inventor
张婷
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN202011343330.2A priority Critical patent/CN112393897A/en
Publication of CN112393897A publication Critical patent/CN112393897A/en
Withdrawn legal-status Critical Current

Links

Images

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M13/00Testing of machine parts
    • G01M13/003Machine valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00Actuating devices; Operating means; Releasing devices
    • F16K31/02Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/04Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
    • F16K31/041Actuating devices; Operating means; Releasing devices electric; magnetic using a motor for rotating valves
    • F16K31/043Actuating devices; Operating means; Releasing devices electric; magnetic using a motor for rotating valves characterised by mechanical means between the motor and the valve, e.g. lost motion means reducing backlash, clutches, brakes or return means
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00Actuating devices; Operating means; Releasing devices
    • F16K31/02Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/04Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
    • F16K31/047Actuating devices; Operating means; Releasing devices electric; magnetic using a motor characterised by mechanical means between the motor and the valve, e.g. lost motion means reducing backlash, clutches, brakes or return means
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L23/00Flanged joints
    • F16L23/02Flanged joints the flanges being connected by members tensioned axially
    • F16L23/024Flanged joints the flanges being connected by members tensioned axially characterised by how the flanges are joined to, or form an extension of, the pipes
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L23/00Flanged joints
    • F16L23/02Flanged joints the flanges being connected by members tensioned axially
    • F16L23/036Flanged joints the flanges being connected by members tensioned axially characterised by the tensioning members, e.g. specially adapted bolts or C-clamps

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mechanically-Actuated Valves (AREA)

Abstract

The invention discloses a repeating type checking device for through flow of a water valve, which comprises a water tank, wherein a water delivery device is arranged at the left end of the water tank, an opening and closing mechanism for controlling the intermittent opening and closing of the water valve is arranged at the right end of the water tank, the water delivery device comprises a guide pipe, a push plate and a pushing mechanism, the push plate is connected with the inner part of the water tank in a sliding manner, the pushing mechanism is arranged outside the guide pipe, the opening and closing mechanism comprises a water valve body, a driving rotating wheel and a driven rotating wheel, a linkage rod and a servo motor, the linkage rod is arranged above the driving rotating wheel and the driven rotating wheel and used for adjusting. The water supply device is provided with the water tank for containing water and the water delivery device for pushing water, and serves as a movable water source, the opening and closing mechanism is arranged at the water outlet end of the water tank, the valve core of the water valve can be repeatedly opened and closed under the driving of the servo motor, so that workers can conveniently observe the on-off condition of water flow, the device is simple to operate, can be matched with different water valves for inspection, and has popularization value.

Description

Repeated type checking device for through flow of water valve
Technical Field
The invention relates to the technical field of water valve inspection, in particular to a repeated inspection device for through flow of a water valve.
Background
The water valve is commonly used between pipelines and used for controlling the on-off of water flow. Common water valves include ball valves, butterfly valves and gate valves, and are basically composed of a valve body, i.e., a housing, a valve core, i.e., a rotating structure in the valve body, and a round handle, i.e., a rotating disk for controlling the rotation of the valve core. And the water valve which is just installed needs to be subjected to trial assembly inspection to check whether the water valve is through-flow throttling or not. Current staff transports the water valve to water source department, and on the water pipe is reconnected to, the round handle of continuous round trip rotation water valve makes its inside open and close, and observes the break-make of rivers, and this inspection mode need make a round trip to transport the water valve, takes trouble hard, and efficiency is lower, is unfavorable for the portable inspection of staff.
Disclosure of Invention
The present invention is directed to a repeatable testing device for through-flow of a water valve, which solves the above-mentioned problems of the prior art.
In order to achieve the purpose, the invention provides a repeated type checking device for through-flow of a water valve, which comprises a water tank, wherein a water delivery device for driving water flow is arranged at the left end of the water tank, an opening and closing mechanism for controlling the intermittent opening and closing of the water valve is arranged at the right end of the water tank, the water delivery device comprises a guide pipe fixed at the left end opening of the water tank, a push plate in sliding connection with the inside of the water tank and a pushing mechanism arranged outside the guide pipe and used for pushing the push plate to horizontally and discontinuously move, a push column arranged in the guide pipe is arranged in the center of the left end of the push plate, and the pushing mechanism comprises a rotating ring axially and rotationally moving along the guide pipe, an electric motor for driving the rotating ring to rotate and a pair of telescopic push;
the opening and closing mechanism comprises a water valve body, a driving rotating wheel and a driven rotating wheel which are arranged on two sides of the water valve body and used for driving the water valve body to be opened and closed repeatedly and alternately, a linkage rod which is arranged above the driving rotating wheel and the driven rotating wheel and used for adjusting the distance between the driving rotating wheel and the driven rotating wheel, and a servo motor which is coaxially connected below the driving rotating wheel, wherein four convex columns are annularly arranged on a round handle of the water valve body at equal angles, a deflector rod is arranged on one side of the driving rotating wheel and one side of the driven rotating wheel and points to the center of a circle, a pair of convex columns are respectively arranged near the driving rotating wheel and the driven rotating wheel, the connecting line of each pair of convex columns is mutually vertical to the central shaft of a valve core of the water valve body, auxiliary conical teeth, transmission conical teeth and main conical teeth which are used for changing the steering direction of the driven rotating wheel are arranged above the driven rotating wheel, the auxiliary bevel gear, the transmission bevel gear and the main bevel gear are meshed in sequence.
As a further improvement of the technical scheme, the outer side surface of the guide pipe is provided with external threads, sliding grooves are formed in the two sides of the guide pipe along the axial direction of the guide pipe, a sealing plate is fixed at the right end of the guide pipe, and internal threads connected with the external threads in a threaded mode are arranged on the inner side of the rotating ring.
As a further improvement of the technical scheme, a plurality of racks are annularly and equidistantly arranged in the middle of the outer side of the rotating ring, an output shaft of the electric motor is coaxially connected with a driving gear, the driving gear is meshed with the racks, annular grooves are symmetrically formed in the middle of the two ends of the rotating ring, limiting holes penetrating through the annular grooves are symmetrically formed in one side of the rotating ring, a moving ring is fixed below the electric motor, a pressure spring is fixed between the pair of pushing rings, a limiting groove is formed in the middle of the outer side surface of the pushing ring at the left end, a positioning groove is formed in the moving ring close to the outer side of the right end, the right end of the moving ring and the pushing ring at the left end are respectively clamped and rotatably with the annular groove at the left end and the annular groove at the right end of the rotating ring, and pins are correspondingly inserted into the limiting grooves and the positioning grooves.
As a further improvement of the technical scheme, the side surface of the moving ring is radially provided with a jack, the outer end surface of the push ring at the right end is radially and symmetrically provided with a sleeve ring, the jacks and the inner part of the sleeve ring are all spliced with a sliding column, the sliding column is spliced with the sliding groove and can slide, the outer side of the left end of the push column is radially provided with a through hole, and the sliding column in the sleeve ring is spliced and matched with the through hole.
As a further improvement of this technical scheme, the inside of water tank is hollow structure and left end opening, the top surface of water tank is close to left end department intercommunication and has the air inlet, the top surface of water tank is close to right-hand member department intercommunication and has the water filling port, the end opening of water filling port is equipped with the semicircle piece, water filling port female connection has the water blocking cover, the end opening of water blocking cover is equipped with the water proof piece that the area is greater than the semicircle piece, the right-hand member bottom intercommunication of water tank has the water pipe, the through-pipe valve is installed at the water pipe top, the below of water tank is provided with the case seat, the top surface of case seat is provided with the storage platform.
As a further improvement of the technical scheme, a belt clamping groove is formed in the outer side of the top of an output shaft of the servo motor, a rotating shaft is tightly inserted in the center of the main bevel gear, a rotating shaft groove is formed in the outer side of the top of the rotating shaft, a rubber belt is sleeved between the belt clamping groove and the rotating shaft groove, a linkage sleeve is sleeved at the left end of the linkage rod, the total length of the linkage rod and the linkage sleeve is larger than the distance between the driving rotating wheel and the driven rotating wheel, a linkage column is arranged on the bottom surface of the right end, close to the bottom surface of the left end, of the linkage sleeve, a small bearing sleeved with the linkage column is embedded in the center of the top end of the output shaft of the servo motor and the center of the top end of the rotating shaft, a hanging rod is inserted in one side of the transmission bevel gear, and the top of.
As a further improvement of the technical scheme, a support sleeve is arranged below the servo motor, the support sleeve is sleeved with the water pipe and can slide, a wheel shaft is fixed at the center of the bottom of the driven rotating wheel, a large bearing is sleeved at the bottom end of the wheel shaft, and a sliding sleeve is fixed at the bottom of the large bearing.
As a further improvement of this technical scheme, the both ends of water valve body are provided with the adapter flange, and wherein the left end the adapter flange and water pipe threaded connection, the outside of adapter flange is provided with the go-between, the one end of go-between is equipped with the post of inserting that runs through adapter flange and water valve body, the socket has been seted up to horizontal one side of inserting the post, the center of socket extremely the interval of the nearer terminal surface of go-between with adapter flange thickness with the total of water valve body tip flange thickness equals, the both sides of water valve body are provided with plug-in components, the four corners department of plug-in components is equipped with the inserted bar of pegging graft with the socket, the inserted bar front end just is close to the inboard and is equipped with the inclined plane section.
As a further improvement of the technical scheme, a water collecting tank is arranged outside the right end of the water valve body, a water outlet communicated with the inside of the water collecting tank is arranged in the center of the bottom of the water collecting tank, the water outlet is connected with the water sealing sleeve in an inserting mode, a water sealing block is arranged above the water outlet, a ball plug clamped with the water outlet is arranged in the center of the bottom of the water sealing block, a movable ring is sleeved outside the water outlet, guide pillars fixed with the water sealing block are radially and symmetrically arranged on the top surface of the movable ring, a reset spring is sleeved on the outer side of each guide pillar, and guide pillar holes connected with the guide pillars are radially and symmetrically formed in the bottom of the water collecting tank and in.
As a further improvement of this technical scheme, the radial symmetry in bottom surface of activity ring is equipped with the fixture block, the bayonet socket with the fixture block joint is seted up to the radial symmetry in top of sealing water jacket, the top surface of case seat just is located the opening has been seted up under the delivery port, the honeycomb duct has been cup jointed to the inside of sliding sleeve, the carriage release lever has been cup jointed to the top of honeycomb duct, the top surface symmetry of case seat is equipped with the fastener with the joint of carriage release lever bottom, the mouth of pipe with honeycomb duct right-hand member joint is seted up to top one side of header tank.
Compared with the prior art, the invention has the beneficial effects that:
1. this be used for through-flow repetitive type verifying attachment of water valve, through the dress water tank that sets up and the water delivery device that pushes away water, as portable water source, alright move to the water valve production line and use to through the on-off mechanism that sets up at the play water end of water tank, it can the valve core of repetitive type open and close water valve under servo motor's drive, the staff of being convenient for observes the rivers break-make condition, this device easy operation can form a complete set inspect different kinds of water valves, has spreading value.
2. In the repeated type inspection device for the through-flow of the water valve, the pushing mechanism is arranged in the water delivery device, the electric motor is started, and the water in the water tank can be driven to be output, so that the manpower is saved, a worker can inspect the water valve with great concentration, and the practicability is higher.
3. In the repeated type checking device for the through-flow of the water valve, the water collecting tank is arranged on one side of the water outlet end of the water valve and is used for collecting running water so as to pour the running water into the water tank for continuous use.
Drawings
FIG. 1 is a schematic view of an overall assembly structure of embodiment 1;
FIG. 2 is a schematic view of the structure of the water tank of embodiment 1;
FIG. 3 is a schematic view of the structure of the water jacket of embodiment 1;
FIG. 4 is a schematic view of the structure of a housing in accordance with embodiment 1;
FIG. 5 is a schematic view of the structure of the pipe passing valve of embodiment 1;
FIG. 6 is a schematic structural view of a rest state of a push plate in embodiment 1;
FIG. 7 is a schematic structural view of a push plate in an operating state according to embodiment 1;
FIG. 8 is a schematic view showing an assembling structure of the pusher jack of embodiment 1;
FIG. 9 is an exploded view of the pusher jack of embodiment 1;
FIG. 10 is a schematic view of a guide tube structure of embodiment 1;
FIG. 11 is a schematic view showing the structure of a pusher in example 1;
fig. 12 is a schematic view of the whole structure of the water valve opening and closing mechanism of embodiment 1;
fig. 13 is one of the structural schematic diagrams of the water valve opening and closing mechanism of embodiment 1;
fig. 14 is a second schematic structural view of the opening and closing mechanism of the water valve in embodiment 1;
FIG. 15 is a schematic view of an assembly structure of the linkage rod and the linkage sleeve in embodiment 1;
FIG. 16 is a schematic view of the fitting structure of the water valve body of embodiment 1;
FIG. 17 is a schematic structural view of a water valve body according to embodiment 1;
FIG. 18 is an assembled and disassembled view of the attachment ring and the insert of embodiment 1;
FIG. 19 is a full sectional view of the header tank of embodiment 1;
FIG. 20 is a schematic view of the structure of the water seal block of embodiment 1;
fig. 21 is a schematic view of the structure of the draft tube of embodiment 1.
The various reference numbers in the figures mean:
100. a water tank; 101. an air inlet; 102. a water injection port; 1020. a semicircular block; 103. a water sealing sleeve; 1030. a water-insulating block; 1031. a bayonet; 104. a water pipe; 1040. pipe passing; 1041. a through pipe valve; 1042. a ball member;
110. a box base; 111. a fastener; 112. a port; 120. a storage table; 121. a storage grid;
200. a water delivery device;
210. a guide tube; 211. an external thread; 212. a chute; 213. closing the plate;
220. pushing the plate; 221. pushing the column; 222. perforating; 223. sealing the rubber sleeve;
230. a pushing mechanism; 231. rotating the ring; 2310. an internal thread; 2311. a rack; 2312. an annular groove; 2313. a limiting hole; 232. an electric motor; 2320. a driving gear; 233. a push ring; 2330. a pressure spring; 2331. a limiting groove; 2332. a collar; 234. a moving ring; 2340. a jack; 2341. positioning a groove; 235. a traveler;
300. an opening and closing mechanism;
310. a servo motor; 311. a clamping groove is formed; 312. a small bearing; 313. a support sleeve; 320. a driving runner; 321. a deflector rod;
330. a driven runner; 331. a wheel axle; 332. a large bearing; 333. a sliding sleeve; 334. a secondary bevel gear; 335. a transmission bevel gear; 336. a main bevel gear; 3360. a rotating shaft; 3361. a rotating shaft groove;
340. a linkage rod; 341. a linkage sleeve; 342. a linkage column; 343. a rubber belt; 350. a pipe connecting flange;
360. a water valve body; 361. a convex column; 370. a connecting ring; 371. inserting a column; 372. a socket; 380. a plug-in; 381. inserting a rod; 382. a slope section;
400. a water collection tank; 401. a water outlet; 402. a guide post hole; 403. a pipe orifice;
410. a water sealing block; 411. a ball plug; 420. a movable ring; 421. a guide post; 422. a return spring; 423. a clamping block;
430. a flow guide pipe; 431. the rod is moved.
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.
In the description of the present invention, it is to be understood that the terms "central axis", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Example 1
Referring to fig. 1 to 21, the present invention provides a repetitive type checking device for through flow of a water valve, including a water tank 100 for storing clean water. The left end of the water tank 100 is provided with a water delivery device 200 for activating water flow so that water passes through a water valve to check for through-flow and shut-off conditions. The right end of the water tank 100 is provided with an opening and closing mechanism 300 for controlling the intermittent opening and closing of the water valve, so that manual intermittent opening and closing of the water valve is replaced. The water delivery device 200 comprises a guide pipe 210 fixed at the left port of the water tank 100, a push plate 220 slidably connected inside the water tank 100 and a pushing mechanism 230 arranged outside the guide pipe 210 and used for pushing the push plate 220 to horizontally move discontinuously, wherein a sealing rubber sleeve 223 is bonded on the outer side of the push plate 220 and plays a sealing role, so that the push plate 220 pushes water in the water tank 100 to the right end to be discharged. The center of the left end of the push plate 220 is provided with a push post 221 disposed inside the guide tube 210. The pushing mechanism 230 includes a rotating ring 231 which axially and rotationally moves along the guide tube 210, an electric motor 232 which drives the rotating ring 231 to rotate, and a pair of retractable push rings 233 which push the push pillars 221 to move, the rotating ring 231 and the guide tube 210 are in threaded connection, and because the thread self-locking condition is that the thread lead angle is smaller than the equivalent friction angle, according to the knowledge of the mechanical theory, the rotating ring 231 can only linearly move when rotating, and can not move by the force in the axial direction of the guide tube 210, that is, the rotating ring 231 can be self-locked.
Specifically, the outer side surface of the guide tube 210 is provided with an external thread 211, the two sides of the guide tube 210 are provided with sliding grooves 212 along the axial direction, and the sliding grooves 212 are communicated with the inside of the guide tube 210. A sealing plate 213 is fixed to the right end of the guide tube 210. The inner side of the rotary ring 231 is provided with an internal thread 2310 which is screwed with the external thread 211, i.e. the rotary ring 231 and the guide tube 210 can be screwed.
Further, a plurality of racks 2311 are annularly and equidistantly arranged in the middle of the outer side of the rotating ring 231, the output shaft of the electric motor 232 is coaxially connected with a driving gear 2320, the driving gear 2320 is meshed with the plurality of racks 23111, that is, the driving electric motor 232 can drive the driving gear 2320 and the rotating ring 231 to rotate, so that the rotating ring 231 linearly moves on the guide pipe 210. Annular grooves 2312 are symmetrically formed in the middle of two ends of the rotating ring 231, and limiting holes 2313 penetrating through the annular grooves 2312 are symmetrically formed in one side of the rotating ring 231. A moving ring 234 is fixed below the electric motor 232, the moving ring 234 is fitted to the guide pipe 210, and a compression spring 2330 is fixed between the pair of push rings 233 so that the pair of push rings 233 can be freely extended and retracted. The limiting groove 2331 is formed in the middle of the outer side face of the push ring 233 located at the left end, the positioning groove 2341 is formed in the position, close to the outer side of the right end, of the moving ring 234, the right end of the moving ring 234 and the push ring 233 located at the left end are respectively clamped and connected with the left end annular groove 2312 and the right end annular groove 2312 of the rotating ring 231 in a rotatable mode, pins are inserted into the limiting holes 2313 in a inserting mode and are correspondingly inserted into the limiting groove 2331 and the positioning groove 2341, the moving ring 234, the rotating ring 231 and the pair of push rings 233 are connected into a whole, and when the rotating ring 231 rotates, the moving ring 234 and the pair of push rings 233.
Specifically, a plug hole 2340 is radially formed in the side surface of the moving ring 234, a collar 2332 is radially and symmetrically arranged on the outer end surface of the push ring 233 located at the right end, sliding columns 235 are inserted into the plug hole 2340 and the collar 2332, and the sliding columns 235 are inserted into the sliding grooves 212 and can slide, so that the moving ring 234 and the push ring 233 are limited to move only outside the guide pipe 210 along the axial direction of the guide pipe. The outer side of the left end of the push column 221 is radially provided with a through hole 222, a sliding column 235 in the lantern ring 2332 is in inserted fit with the through hole 222, when the electric motor 232 drives the rotating ring 231 to rotate and move forward, the left end push ring 233 is driven to extrude the compression spring 2330, because the water valve at the right end of the water tank 100 is not opened, the push column 221 cannot move after being pushed by the push ring 233, the compression spring 2330 is compressed to store elastic potential energy, and after the water valve is opened, because the rotating ring 231 is self-locked and cannot be pushed to move backward, the push ring 233 at the right end moves forward under the elastic force of the compression spring 2330, the push column 221 and the push plate 220 are driven to extrude water in the water tank 100 to pass through.
Further, the inside of the water tank 100 is hollow and has an open left end, the closing plate 213 is fixedly connected to the left end of the water tank 100, and a rubber pad is placed at the joint to seal the water tank 100. The top surface of water tank 100 is close to left end department intercommunication and has air inlet 101, and push pedal 220 is two airtight spaces with the inside share of water tank 100, and after push pedal 220 removed water tank 100 right-hand member, can avoid the inside vacuum space that appears in water tank 100 left end from air inlet 101 suction gas, and lead to promoting push pedal 220 hard. The top surface of the water tank 100 near the right end is communicated with a water filling port 102, and the water filling port 102 is in a protruding tubular structure so as to supply water to the water tank 100. The bottom opening of the water injection port 102 is provided with a semicircular block 1020 so that water flow is injected from the other half opening. The water filling port 102 is internally threaded with a water sealing sleeve 103, a water blocking block 1030 with the area larger than that of the semicircular block 1020 is arranged at the bottom opening of the water sealing sleeve 103, the water sealing sleeve 103 is screwed, and the water blocking block 1030 seals the other half opening of the water filling port 102, so that water in the water tank 100 is prevented from seeping out of the water filling port when being squeezed. The bottom of the right end of the water tank 100 is communicated with a water pipe 104 for discharging water in the water tank 100, the top of the water pipe 104 is provided with a through pipe valve 1041, the bottom of the through pipe valve 1041 is inserted with a ball body 1042, the ball body 1042 is arranged in the water pipe 104 and has a matched size, the ball body 1042 is axially provided with a through hole along the water pipe 104, the top of the water pipe 104 is communicated with a through pipe 1040, and a valve rod of the through pipe valve 1041 is inserted with the through pipe 1040 and can rotate. The water tank 100 is provided with a tank base 110 below, so that the water tank 100 can be conveniently moved to a water valve production line for inspection, a storage table 120 is arranged on the top surface of the tank base 110, and a plurality of storage grids 121 are arranged inside the storage table 120 and used for storing spare parts.
When the water tank delivers water, clean water is injected into the water tank 100, then the electric motor 232 is started, the driving gear 2320 is driven to drive the rotary ring 231 to rotate, namely, the rotary ring makes a spiral linear movement outside the guide pipe 210, the push ring 233 at the left end is pushed to compress the compression spring 2330, then the through pipe valve 1041 is rotated to drive the axial direction of the through hole at the side surface of the ball element 1042 to be the same as the axial direction of the water pipe 104, namely, the inside of the water pipe 104 is communicated, and the push ring 233 at the right end moves forwards under the elastic force of the compression spring 2330, so that the push column 221 and the push plate 220 are driven to extrude the water.
The opening and closing mechanism 300 comprises a water valve body 360, a driving rotating wheel 320 and a driven rotating wheel 330 which are arranged on two sides of the water valve body 360 and used for driving the water valve body to be opened and closed repeatedly and alternately, a linkage rod 340 which is arranged above the driving rotating wheel 320 and the driven rotating wheel 330 and used for adjusting the distance between the driving rotating wheel 320 and the driven rotating wheel 330, and a servo motor 310 which is coaxially connected below the driving rotating wheel 320, wherein the water valve body 360 can be a ball valve, a butterfly valve and a gate valve, and the linkage rod 340 with adjustable distance can ensure the transmission between the driving rotating wheel 320 and the driven rotating wheel 330 due to the. Four convex columns 361 are annularly arranged on the circular handle of the water valve body 360 at equal angles, a shifting rod 321 is arranged on one side of the driving rotating wheel 320 and one side of the driven rotating wheel 330 pointing to the circle center and used for shifting the convex columns 361 to drive the valve core of the water valve body 360 to open and close, and the valve cores of the ball valve, the butterfly valve and the gate valve are respectively of a ball structure with a through hole in the horizontal radial direction, a circular plate structure rotating in the center and a circular plate structure moving up and down. The driving wheel 320 and the driven wheel 330 are respectively provided with a pair of convex columns 361, and the connecting line of each pair of convex columns 361 is perpendicular to the central axis of the valve core of the water valve body 360, because the included angle between the convex columns 361 is equally divided into 90 degrees, the length of the shift lever 321 is based on one of the convex columns 361 when just contacting the position, namely after the driving wheel 320 or the driven wheel 330 rotates 90 degrees, the shift lever 321 drives one convex column 361 to rotate 90 degrees and can be separated, and meanwhile, the valve core is in an open state. The auxiliary bevel gear 334, the transmission bevel gear 335 and the main bevel gear 336 which are used for changing the rotation direction of the driven rotating wheel 330 are arranged above the driven rotating wheel 330, namely the driven gear 330 and the driving gear 320 rotate in opposite directions, the driving gear 320 drives the valve core of the water valve body 360 to be opened, the driven gear 330 drives the valve core of the water valve body 360 to be closed, so that the water valve body 360 is repeatedly and alternately opened and closed, namely water flow stops intermittently, and whether the through-flow function of the water valve body 360 is intact is accurately checked. The main bevel gear 336 is coaxial with the auxiliary bevel gear 334 and is arranged up and down oppositely, the central axis of the transmission bevel gear 335 is vertical to the central axes of the auxiliary bevel gear 334 and the main bevel gear 336, the auxiliary bevel gear 334, the transmission bevel gear 335 and the main bevel gear 336 are sequentially meshed, the rotation direction of the auxiliary bevel gear 334 is changed through the transmission of the transmission bevel gear 335, namely the auxiliary bevel gear 334 rotates reversely relative to the main bevel gear 336, the driven rotating wheel 330 and the auxiliary bevel gear 334 rotate synchronously, the convex column 361 is pushed to reset through the deflector rod 321 on the auxiliary bevel gear 334, and the valve core of the water valve body 360 is closed to throttle.
Specifically, a clamping groove 311 is formed in the outer side of the top of the output shaft of the servo motor 310, and the output shaft of the servo motor 310 protrudes above the driving wheel 320. The center of main awl tooth 336 closely pegs graft and has had pivot 3360, and pivot groove 3361 has been seted up in the top outside of pivot 3360, has cup jointed the rubber tape 343 between cassette groove 311 and the pivot groove 3361 for the rubber tape 343 is spacing, and through frictional force each other, and servo motor 310 drives its output shaft rotatory, and drives rubber tape 343 cyclic shift, and then drives main awl tooth 336 synchronous revolution. The left end of the linkage rod 340 is sleeved with the linkage sleeve 341, the total length of the linkage rod 340 and the linkage sleeve 341 is larger than the distance between the driving rotating wheel 320 and the driven rotating wheel 330, and the linkage rod 340 and the linkage sleeve 341 are connected through a bolt, so that the linkage rod 340 and the linkage sleeve 341 are limited and stable. The linkage rod 340 is provided with a linkage column 342 near the bottom surface of the right end and the bottom surface of the left end of the linkage sleeve 341, the small bearing 312 sleeved with the linkage column 342 is embedded in the center of the top end of the output shaft of the servo motor 310 and the center of the top end of the rotating shaft 3360, so that the linkage rod 340 and the linkage sleeve 341 can be suspended above the driving rotating wheel 320, the main bevel gear 336 is suspended below the linkage rod 340, one side of the transmission bevel gear 335 is spliced with a hanging rod, the top of the hanging rod is fixedly connected with the right end of the linkage rod 340, and the transmission bevel gear 335 is suspended below the linkage rod 340 and rotates stably.
Furthermore, a support sleeve 313 is arranged below the servo motor 310, the support sleeve 313 is sleeved with the water pipe 104 and can slide so as to change the position of the servo motor 310, a bolt is screwed on one side of the support sleeve 313 in a penetrating manner, and the bolt is tightly extruded on the water pipe 104 to ensure the position stability of the servo motor 310. The bottom center of the driven rotating wheel 330 is fixed with a wheel axle 331, the bottom end of the wheel axle 331 is sleeved with a large bearing 332, and the bottom of the large bearing 332 is fixed with a sliding sleeve 333, so that when the driven rotating wheel 330 rotates, the sliding sleeve 333 is not driven to rotate, and one side of the sliding sleeve 333 is also screwed with a bolt in a penetrating manner.
In addition, the both ends of water valve body 360 are provided with adapter flange 350, and adapter flange 350 is the plastics material, makes it have elasticity and toughness, can atress deformation, does benefit to and is extruded. The left pipe connecting flange 350 is connected with the water pipe 104 in a threaded manner, and the pipe connecting flange 350 is manufactured to be matched in size according to water valve bodies 360 of different specifications so as to be smoothly butted. The outer side of the pipe connecting flange 350 is provided with a connecting ring 370, one end of the connecting ring 370 is provided with an inserting column 371 penetrating through the pipe connecting flange 350 and the water valve body 360, one transverse side of the inserting column 371 is provided with an inserting opening 372, the distance from the center of the inserting opening 372 to the closer end face of the connecting ring 370 is equal to the sum of the thickness of the pipe connecting flange 350 and the thickness of the end flange of the water valve body 360, so that the inserting opening 372 is only exposed by half size, two sides of the water valve body 360 are provided with inserting pieces 380, four corners of the inserting pieces 380 are provided with inserting rods 381 inserted into the inserting openings 372, the front end of the inserting rod 381 and the inner side of the inserting rod 381 are provided with inclined surface sections 382, the inserting rods 381 which are exposed by inserting are firstly inserted into the inserting rods 381, the pipe connecting flange 350 is pressed to be deformed, and is tightly attached to the water valve body 360 to avoid water, the efficiency of inspection is improved.
The water collecting tank 400 is arranged outside the right end of the water valve body 360, the bottom center of the water collecting tank 400 is provided with a water outlet 401 communicated with the inside of the water collecting tank 400, the water outlet 401 is of a convex tubular structure, and the water outlet 401 is connected with the water sealing sleeve 103 in an inserting mode, so that the water collecting tank 400 is stably placed on the water tank 100 to release recovered water to supplement the water tank 100. A water sealing block 410 is arranged above the water outlet 401, a ball plug 411 clamped with the water outlet 401 is arranged at the center of the bottom of the water sealing block 410, and the ball plug 411 is made of silica gel, so that the water sealing block has flexibility and sealing performance and is beneficial to sealing the water outlet 401. The outside of delivery port 401 has cup jointed loose ring 420, the top surface radial symmetry of loose ring 420 is equipped with the guide pillar 421 fixed with water sealing block 410, the outside cover of guide pillar 421 is equipped with reset spring 422, reset spring 422 is arranged in the outside of header tank 400, the bottom of header tank 400 just is located the both sides radial symmetry of delivery port 401 and has seted up the guide pillar hole 402 of pegging graft with guide pillar 421, make loose ring 420 only do linear movement from top to bottom, be about to after header tank 400 placed on water sealing sleeve 103, can extrude loose ring 420 and shift up, make ball stopper 411 break away from delivery port 401, and then the delivery port 400 effluent gets into in the water tank 100.
Specifically, the bottom surface of the movable ring 420 is radially and symmetrically provided with the clamping block 423, the top end of the water sealing sleeve 103 is radially and symmetrically provided with the bayonet 1031 clamped with the clamping block 423, and the water sealing sleeve 103 is driven to rotate 180 degrees by rotating the water collecting tank 400, so that the other half of the water filling port 102 is not sealed and opened, and then the water in the water collecting tank 400 flows into the water tank 100 to supplement water. The top surface of the base 110 is located under the water outlet 401 and is provided with a through opening 112 for avoiding the water outlet 401. The guide pipe 430 is sleeved inside the sliding sleeve 333, and the bolt on one side of the sliding sleeve 333 is screwed to compress the guide pipe 430, so that the driven rotating wheel 330 is stable, and the distance between the driven rotating wheel 330 and the driving rotating wheel 320 is further ensured. The adapter flange 350 at the right end is threadedly coupled to the flow tube 430, such that water flowing through the water valve body 360 flows into the flow tube 430. The moving rod 431 is sleeved above the flow guide pipe 430, the clamping pieces 111 clamped with the bottom of the moving rod 431 are symmetrically arranged on the top surface of the box base 110, and the position of the flow guide pipe 430 is adjusted so that the water valve bodies 360 with different specifications can be arranged between the water pipe 104 and the flow guide pipe 430. A pipe opening 403 clamped with the right end of the flow guide pipe 430 is formed in one side of the top end of the water collection tank 400, so that water in the flow guide pipe 430 flows into the water collection tank 400 to be recovered and poured into the water tank 100 for use.
When the water valve body is repeatedly inspected, two pipe connecting flanges 350 are respectively screwed to the water outlet end of the water pipe 104 and the water inlet end of the flow guide pipe 430, then the water valve body 360 to be inspected is butted between the two pipe connecting flanges 350, the water valve body 360 is fixed by using the connecting ring 370 and the plug-in piece 380, the supporting sleeve 313 and the sliding sleeve 333 are moved, so that the poking rod 321 can touch the convex column 361 close to the poking rod when rotating, then the bolt on the linkage sleeve 341 is screwed to press the linkage rod 340, the distance between the driving rotating wheel 320 and the driven rotating wheel 330 is ensured, then the bolts on the outer sides of the supporting sleeve 313 and the sliding sleeve 333 are screwed to press the water pipe 104 and the flow guide pipe 430, the through pipe valve 1041 is opened, the servo motor 310 is started to rotate forwardly to drive the driving rotating wheel 320 to rotate forwardly to drive the rubber belt 343 to move circularly, and further drive the main conical teeth 336 to rotate, the main conical teeth 336 to drive, therefore, after the driving rotating wheel 320 rotates 90 degrees, the shifting rod 321 of the driving rotating wheel 320 drives the circular handle of the water valve body 360 to rotate 90 degrees, namely, the valve core is opened to supply water, after the driving rotating wheel 320 continues to rotate 90 degrees, the driven rotating wheel 330 rotates 180 degrees in the reverse direction, the shifting rod 321 on one side of the driving rotating wheel contacts the adjacent convex column 361 to drive the circular handle of the water valve body 360 to rotate 90 degrees, namely, the valve core is closed to throttle, after the driving rotating wheel 320 rotates a circle, the water valve body 360 can be opened continuously, and a worker can repeatedly check the throttling and through-flow conditions of the water valve.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (10)

1. A repeatable testing device for through-flow of water valves, comprising a water tank (100), characterized in that: the water delivery device (200) for driving water flow is arranged at the left end of the water tank (100), the opening and closing mechanism (300) for controlling the intermittent opening and closing of the water valve is arranged at the right end of the water tank (100), the water delivery device (200) comprises a guide pipe (210) fixed at the left port of the water tank (100), a push plate (220) in sliding connection with the inside of the water tank (100) and a pushing mechanism (230) arranged outside the guide pipe (210) and used for pushing the push plate (220) to horizontally and discontinuously move, a push column (221) arranged inside the guide pipe (210) is arranged in the center of the left end of the push plate (220), and the pushing mechanism (230) comprises a rotating ring (231) axially and rotationally moving along the guide pipe (210), an electric motor (232) for driving the rotating ring (231) to rotate and a pair of telescopic push rings (233) for pushing the push column (221) to move;
the opening and closing mechanism (300) comprises a water valve body (360), a driving rotating wheel (320) and a driven rotating wheel (330) which are arranged on two sides of the water valve body (360) and used for driving the water valve body to be opened and closed repeatedly and alternately, a linkage rod (340) which is arranged above the driving rotating wheel (320) and the driven rotating wheel (330) and used for adjusting the distance between the driving rotating wheel and the driven rotating wheel, and a servo motor (310) which is coaxially connected with the lower portion of the driving rotating wheel (320), wherein four convex columns (361) are annularly arranged on a round handle of the water valve body (360) at equal angles, a driving lever (321) is arranged on one side of the driving rotating wheel (320) and one side of the driven rotating wheel (330) and points to the circle center, a pair of convex columns (361) are respectively arranged near the driving rotating wheel (320) and the driven rotating wheel (330), a connecting line of each pair of convex columns (361) is perpendicular to the central axis of a valve core of the water valve body, Transmission awl tooth (335) and main awl tooth (336), vice awl tooth (334) with main awl tooth (336) are coaxial, the center pin of transmission awl tooth (335) with vice awl tooth (334) with the center pin of main awl tooth (336) is perpendicular, vice awl tooth (334), transmission awl tooth (335) with main awl tooth (336) mesh in proper order.
2. A repeatable test means for throughflow of water valves as claimed in claim 1, wherein: the outer side surface of the guide pipe (210) is provided with external threads (211), sliding grooves (212) are formed in two sides of the guide pipe (210) along the axial direction of the guide pipe, a sealing plate (213) is fixed at the right end of the guide pipe (210), and internal threads (2310) in threaded connection with the external threads (211) are arranged on the inner side of the rotating ring (231).
3. A repeatable test means for throughflow of water valves as claimed in claim 2, wherein: the middle part of the outer side of the rotating ring (231) is provided with a plurality of racks (2311) at equal intervals in an annular manner, an output shaft of the electric motor (232) is coaxially connected with a driving gear (2320), the driving gear (2320) is meshed with the racks (2311), annular grooves (2312) are symmetrically formed in the middle parts of two ends of the rotating ring (231), limiting holes (2313) penetrating through the annular grooves (2312) are symmetrically formed in one side of the rotating ring (231), a moving ring (234) is fixed below the electric motor (232), a pressure spring (2330) is fixed between a pair of the push rings (233), a limiting groove (2331) is formed in the middle part of the outer side surface of the push ring (233) at the left end, the moving ring (234) is close to the outer side of the right end and is provided with a positioning groove (2341), the right end of the moving ring (234) and the push ring (233) at the left end are respectively clamped with the annular groove (2312) at the left end and the annular groove, pins are inserted into the limiting holes (2313) and correspondingly inserted into the limiting grooves (2331) and the positioning grooves (2341).
4. A repeatable test means for throughflow of water valves as claimed in claim 3, wherein: the side of the movable ring (234) is radially provided with a jack (2340), the outer end face of the push ring (233) at the right end is radially and symmetrically provided with a lantern ring (2332), the jacks (2340) and the lantern ring (2332) are internally provided with sliding columns (235) in an inserted mode, the sliding columns (235) are inserted into the sliding grooves (212) and can slide, the outer side of the left end of the push column (221) is radially provided with through holes (222), and the sliding columns (235) in the lantern ring (2332) are matched with the through holes (222) in an inserted mode.
5. A repeatable test means for through-flow of water valves as claimed in claim 4, wherein: the inside of water tank (100) is hollow structure and left end opening, the top surface of water tank (100) is close to left end department intercommunication and has air inlet (101), the top surface of water tank (100) is close to right-hand member department intercommunication and has water filling port (102), the end opening of water filling port (102) is equipped with semicircle piece (1020), water filling port (102) female connection has water shutoff cover (103), the end opening of water shutoff cover (103) is equipped with water proof piece (1030) that the area is greater than semicircle piece (1020), the right-hand member bottom intercommunication of water tank (100) has water pipe (104), logical pipe valve (1041) are installed at water pipe (104) top, the below of water tank (100) is provided with tank socket (110), the top surface of tank socket (110) is provided with stores platform (120).
6. A repeatable test means for throughflow of water valves as claimed in claim 5, wherein: the outer side of the top of the output shaft of the servo motor (310) is provided with a clamping groove (311), the center of the main bevel gear (336) is tightly inserted with a rotating shaft (3360), the outer side of the top of the rotating shaft (3360) is provided with a rotating shaft groove (3361), a rubber belt (343) is sleeved between the clamping groove (311) and the rotating shaft groove (3361), the left end of the linkage rod (340) is sleeved with a linkage sleeve (341), the total length of the linkage rod (340) and the linkage sleeve (341) is larger than the distance between the driving rotating wheel (320) and the driven rotating wheel (330), the linkage rod (340) is close to the bottom surface of the right end and the bottom surface of the left end of the linkage sleeve (341) and is provided with a linkage column (342), the center of the top end of the output shaft of the servo motor (310) and the center of the top end of the rotating shaft (3360) are embedded with a small bearing (312) sleeved with the linkage column (342), one side of the transmission bevel gear (335) is provided with a hanging rod, the top of the And (4) fixedly connecting.
7. A repeatable test means for flow through water valves as claimed in claim 6, wherein: a supporting sleeve (313) is arranged below the servo motor (310), the supporting sleeve (313) is sleeved with the water pipe (104) and can slide, a wheel shaft (331) is fixed at the center of the bottom of the driven rotating wheel (330), a large bearing (332) is sleeved at the bottom end of the wheel shaft (331), and a sliding sleeve (333) is fixed at the bottom of the large bearing (332).
8. The repeatable test means for throughflow of water valves of claim 7, wherein: the two ends of the water valve body (360) are provided with pipe connecting flanges (350), wherein the pipe connecting flange (350) at the left end is in threaded connection with the water pipe (104), a connecting ring (370) is arranged on the outer side of the pipe connecting flange (350), one end of the connecting ring (370) is provided with an insert column (371) which penetrates through the pipe connecting flange (350) and the water valve body (360), a socket (372) is formed in one transverse side of the inserting column (371), the distance from the center of the socket (372) to the closer end face of the connecting ring (370) is equal to the sum of the thickness of the pipe connecting flange (350) and the thickness of the end flange of the water valve body (360), plug-in components (380) are arranged on two sides of the water valve body (360), plug-in rods (381) inserted into the insertion holes (372) are arranged at four corners of the plug-in components (380), and inclined surface sections (382) are arranged at the front ends of the plug-in rods (381) and close to the inner sides.
9. A repeatable test means for throughflow of water valves as claimed in claim 8, wherein: the water valve comprises a water valve body (360), a water collecting tank (400) is arranged outside the right end of the water valve body (360), a water outlet (401) communicated with the inside of the water collecting tank (400) is arranged in the center of the bottom of the water collecting tank (400), the water outlet (401) is connected with a water sealing sleeve (103) in an inserting mode, a water sealing block (410) is arranged above the water outlet (401), a ball plug (411) connected with the water outlet (401) in a clamping mode is arranged in the center of the bottom of the water sealing block (410), a movable ring (420) is sleeved outside the water outlet (401), guide pillars (421) fixed with the water sealing block (410) are symmetrically arranged on the top surface of the movable ring (420) in a radial mode, a reset spring (422) is sleeved on the outer side of each guide pillar (421), and guide pillar holes (402) connected with the guide pillars (421).
10. A repeatable test means for throughflow of water valves as claimed in claim 9, wherein: the radial symmetry in bottom surface of activity ring (420) is equipped with fixture block (423), bayonet socket (1031) with fixture block (423) joint is seted up to the radial symmetry in top of water-blocking cover (103), the top surface of case seat (110) just is located port (112) have been seted up under delivery port (401), honeycomb duct (430) have been cup jointed to the inside of sliding sleeve (333), carriage release lever (431) have been cup jointed to the top of honeycomb duct (430), the top surface symmetry of case seat (110) is equipped with fastener (111) with carriage release lever (431) bottom joint, mouth of pipe (403) with honeycomb duct (430) right-hand member joint is seted up to top one side of header tank (400).
CN202011343330.2A 2020-11-26 2020-11-26 Repeated type checking device for through flow of water valve Withdrawn CN112393897A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011343330.2A CN112393897A (en) 2020-11-26 2020-11-26 Repeated type checking device for through flow of water valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011343330.2A CN112393897A (en) 2020-11-26 2020-11-26 Repeated type checking device for through flow of water valve

Publications (1)

Publication Number Publication Date
CN112393897A true CN112393897A (en) 2021-02-23

Family

ID=74604189

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011343330.2A Withdrawn CN112393897A (en) 2020-11-26 2020-11-26 Repeated type checking device for through flow of water valve

Country Status (1)

Country Link
CN (1) CN112393897A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117969076A (en) * 2024-04-01 2024-05-03 山西瑞阳智能供热技术研究中心有限公司 Valve water pressure resistance performance detection device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117969076A (en) * 2024-04-01 2024-05-03 山西瑞阳智能供热技术研究中心有限公司 Valve water pressure resistance performance detection device
CN117969076B (en) * 2024-04-01 2024-06-11 山西瑞阳智能供热技术研究中心有限公司 Valve water pressure resistance performance detection device

Similar Documents

Publication Publication Date Title
CN112414701A (en) Multiple water valve repeated type inspection process
CN112393897A (en) Repeated type checking device for through flow of water valve
US8960640B2 (en) Fast intake valve
CN111750186A (en) Connecting device with self-locking sealing structure based on pipeline connection
CN105627031A (en) Automatic tube cleaner receiving device
CN109931498B (en) Remote hydrogenation device and use method thereof
CN208872359U (en) A kind of metering device for engineering flow measurement
CN209656345U (en) A kind of vacuum powder sampling valve
CN111879571A (en) Self-sealing fluid collector
CN118499518B (en) High-sealing ball valve and use method thereof
CN112881101A (en) Explosion-proof type sampling device for water quality testing for water supply pipeline
CN220323214U (en) Novel methane non-methane total hydrocarbon binary channels advances kind device
CN216343965U (en) Carotene processing air-out system is with receiving material butterfly valve
CN206092994U (en) Valve
CN117181933B (en) Automatic buckling device for manufacturing fuel pipe
CN215059649U (en) Gas valve convenient to dismantle
CN218271515U (en) Wet granulator sampling device
CN217194926U (en) Full static pressure anchor clamps
CN221650325U (en) Gas detector
CN220851156U (en) Joint connection structure for low-pressure petrochemical pipeline
CN216081631U (en) Easy-to-assemble volumetric scraper flowmeter
CN219354975U (en) Tracheal cannula blocking device
CN221056270U (en) On-line densimeter for fluid pipeline
CN216812315U (en) Jet pump connection structure
CN219388691U (en) Higher multichannel valve of stability

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WW01 Invention patent application withdrawn after publication

Application publication date: 20210223

WW01 Invention patent application withdrawn after publication