CN116658644A - Novel rubber flap check valve with blowdown function - Google Patents

Novel rubber flap check valve with blowdown function Download PDF

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Publication number
CN116658644A
CN116658644A CN202310364063.4A CN202310364063A CN116658644A CN 116658644 A CN116658644 A CN 116658644A CN 202310364063 A CN202310364063 A CN 202310364063A CN 116658644 A CN116658644 A CN 116658644A
Authority
CN
China
Prior art keywords
valve body
valve
rubber
mounting
check valve
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.)
Pending
Application number
CN202310364063.4A
Other languages
Chinese (zh)
Inventor
何春焕
李超
冯玉柱
杜立伟
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.)
Yuanda Vavle Group Co ltd
Original Assignee
Yuanda Vavle Group Co ltd
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 Yuanda Vavle Group Co ltd filed Critical Yuanda Vavle Group Co ltd
Priority to CN202310364063.4A priority Critical patent/CN116658644A/en
Publication of CN116658644A publication Critical patent/CN116658644A/en
Pending legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K15/00—Check valves
    • F16K15/14—Check valves with flexible valve members
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B1/00—Cleaning by methods involving the use of tools
    • B08B1/30—Cleaning by methods involving the use of tools by movement of cleaning members over a surface
    • B08B1/32—Cleaning by methods involving the use of tools by movement of cleaning members over a surface using rotary cleaning members
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
    • F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
    • F16F15/08—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with rubber springs ; with springs made of rubber and metal
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K27/00—Construction of housing; Use of materials therefor
    • F16K27/02—Construction of housing; Use of materials therefor of lift valves
    • F16K27/0209—Check valves or pivoted valves
    • F16K27/0227—Check valves or pivoted valves with the valve members swinging around an axis located at the edge of or outside the valve member
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K27/00—Construction of housing; Use of materials therefor
    • F16K27/08—Guiding yokes for spindles; Means for closing housings; Dust caps, e.g. for tyre valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L23/00—Flanged joints
    • F16L23/003—Auxiliary devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L23/00—Flanged joints
    • F16L23/02—Flanged joints the flanges being connected by members tensioned axially
    • F16L23/036—Flanged joints the flanges being connected by members tensioned axially characterised by the tensioning members, e.g. specially adapted bolts or C-clamps
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/20—Hydro energy

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Check Valves (AREA)

Abstract

The utility model discloses a novel rubber flap check valve with a pollution discharge function, which comprises an integrally formed valve body, wherein a valve cover which forms a sealing structure with the valve body is arranged above the valve body, and a dismounting and mounting structure is formed between the valve cover and the valve body by utilizing a fixing bolt assembly; and the rubber valve clack is arranged in the middle position inside the valve body. This novel rubber lamella check valve with blowdown function adopts novel structural design for the device utilizes pneumatic pump control atmospheric pressure telescopic link to stretch out and draw back at the in-process of using, thereby makes the atmospheric pressure telescopic link drive the connecting rod and rotates in step, thereby extract the second sealing plug, realize the purpose of automatic blowdown, and the gag lever post breaks away from the block when blowdown, make under the effect of rivers rotate impeller drive the mediation pole and rotate, dredge blowdown hole position, avoid appearing the condition of jam, and utilize mounting panel and fixed knot to carry out the block to the sealing washer, improve its installation stability, avoid appearing the condition that drops in the in-process of using.

Description

Novel rubber flap check valve with blowdown function
Technical Field
The utility model relates to the technical field of valves, in particular to a novel rubber flap check valve with a pollution discharge function.
Background
The valve is a mechanical device for controlling the flow rate, the flow direction and the like of fluid, and is generally used in a pipeline system, while the check valve is a type of valve, and mainly uses the self weight of the valve clack and the pressure of a medium to rotate so as to block a middle hole of the valve, thereby achieving the purpose of closing the valve, and being widely applied to tap water pipelines and some sewage treatment pipelines.
Among the prior art, the chinese patent of the bulletin number CN207880129U of authorizing discloses a check valve, including valve body, valve gap and guide sleeve, the inside of valve body is equipped with the disk seat, the bottom of valve gap is fixed to be located to the guide sleeve, and the inboard of guide sleeve is equipped with the mounting panel, the one end of going up mounting panel and spring is connected, and the other end of spring is installed on the mounting panel down, the bottom of mounting panel is fixed to be equipped with the valve clack with disk seat assorted, and guide sleeve left and right sides inboard is equipped with the card ear with last mounting panel assorted, and goes up mounting panel and card ear through double-screw bolt and nut spiro union, is convenient for install the mounting panel, goes up the mounting panel and all is equipped with the spring standing groove on the mounting panel down, and is fixed to the top and the bottom of spring through inseparable clamp plate, and is convenient for to the installation, dismantlement and the change of spring in the check valve of the utility model compares with traditional check valve, is convenient for dismantle and change the spring in the check valve, need not to change whole set of check valve, practices thrift the cost.
When the device is used, the valve is opened and closed by utilizing the upward and downward movement of the valve clack in the device, but in the actual use process, water (the front end of a tap water pipeline which is not filtered) or sewage is mixed with certain impurities when flowing, the impurities are left in the valve body under the blocking action of the internal structure of the valve body, and a sewage draining structure is arranged in the device, so that the long-term accumulation of the impurities influences the normal flow of liquid in the valve body, such as the flow rate and the pressure of the liquid;
and among the prior art, the chinese patent of grant bulletin number CN203240022U discloses a check valve, and it contains the valve body and fixes the boss in the valve body, and one side of this boss is fixed with the pole, the other end of pole passes through bolt and valve disc fixed connection, the centre of disc is equipped with the end cap of laminating pipe wall, the outside separation blade that extends round separation blade laminating valve body around the disc, and the contact surface of this separation blade and valve body is equipped with round rubber ring, is equipped with round inner groove on this rubber ring, the contact department of valve body and rubber ring is equipped with the bulge loop with the interlock of recess mutually. The utility model has simple structure and low transformation cost, can effectively increase the integral tightness by arranging the rubber ring on the contact surface of the valve disc and the valve body, and can further increase the integral tightness by arranging the convex ring meshed with the rubber ring on the valve body without affecting the original use function of the check valve.
The device utilizes the running fit plug of the disc and the rubber ring to realize the opening and closing of the valve in the use process, but the valve body continuously has water flow in the opening process in the actual use process, the water flow has a certain impact force in the flowing process, and the rubber ring is impacted by flowing water for a long time in the long-time use process, so that the rubber ring is easy to separate from the disc, thereby influencing the integral tightness of the valve.
Disclosure of Invention
The utility model aims to provide a novel rubber flap check valve with a pollution discharge function, so as to solve the problem that the sealing performance is affected due to incapability of pollution discharge and falling of a rubber ring in the background art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a novel rubber lamella check valve with blowdown function, includes integrated into one piece's valve body, the valve gap of sealing structure is constituteed with it to the valve body top is installed, just the valve gap with utilize the fixing bolt subassembly to constitute between the valve body and dismantle mounting structure, still include:
the rubber valve clack is arranged in the middle position inside the valve body, the position of the rubber valve clack corresponds to the middle hole inside the valve body, the rubber valve clack and the inside of the valve body form a rotating structure through a connecting shaft arranged at the upper end, and a metal balancing weight is fixedly arranged on the outer surface of the lower end of the rubber valve clack;
the exhaust hole is formed in the upper surface of the valve cover and is used for exhausting gas doped in the valve body, and a first sealing plug is arranged at the upper end of the exhaust hole in a sealing manner;
the drain hole is arranged in the middle of the lower surface of the valve body and is used for discharging impurities accumulated in the valve body, and the lower end of the drain hole is plugged with a second sealing plug which forms a sealing structure with the drain hole;
the bottom end of the connecting rod is fixedly arranged on the outer surface of the second sealing plug, and the top end of the connecting rod is rotationally connected with the lower surface of the valve body;
the rotary impeller is rotatably arranged at the bottom end inside the valve body, the rotary impeller is driven to rotate by water flow, a guide plate fixedly arranged inside the valve body is arranged on the left side of the rotary impeller, and the guide plate is of an inclined structure;
the sealing ring is fixedly arranged on the outer surface of the left side of the rubber valve clack, the sealing ring is made of soft rubber materials, and a mounting plate fixedly arranged by utilizing a screw and the rubber valve clack is arranged on the inner side of the sealing ring.
Preferably, the connecting rod intermediate position outside rotates installs the atmospheric pressure telescopic link, just atmospheric pressure telescopic link upper end rotates with the valve body surface and is connected, and constitute the dismantlement mounting structure between connecting rod drive second sealing plug and the blowdown hole, utilize the flexible activity of atmospheric pressure telescopic link to drive the connecting rod and take place to rotate, thereby make the connecting rod drive the second sealing plug activity, realize with the blowdown hole between dismantle and the installation.
Preferably, the pneumatic telescopic rod forms a communication structure by using a connecting hose fixedly penetrating through the pneumatic telescopic rod and a pneumatic pump fixedly arranged outside the valve body, the pneumatic pump is in an automatic control mode, and the pneumatic pump can regularly control the expansion and contraction of the pneumatic telescopic rod through the connecting hose.
Preferably, the movable sleeve is arranged on the outer portion of the air pressure telescopic rod in a nested sliding mode, the limiting rod extending into the valve body is rotatably arranged on the outer surface of the movable sleeve, the movable sleeve outside the air pressure telescopic rod slides left and right in the rotating process, and the movable sleeve is utilized to drive the limiting rod to move up and down.
Preferably, a through up-down sliding structure is formed between the limiting rod and the valve body, the position of the limiting rod corresponds to the position of the rotating impeller, the limiting rod is clamped with the rotating impeller after moving upwards, so that the rotating impeller is limited to rotate, the limiting rod is separated from the clamping after moving downwards, and the rotating impeller can rotate freely.
Preferably, the inside rotation of valve body is installed and is had the mediation pole that corresponds each other with the blowdown hole site, just the mediation pole passes through synchronous rotation between drive belt and the impeller that rotates, utilizes the flow of rivers to drive the impeller rotation that rotates to drive the mediation pole and rotate under drive belt's effect, realize the mediation effect to blowdown hole site.
Preferably, the fixing buckle with the clamping structure formed by the sealing ring is rotatably arranged outside the side surface of the mounting plate, a connecting spring is fixedly arranged between the fixing buckle and the outer surface of the rubber valve clack, and the fixing buckle is pulled by utilizing the elastic action of the connecting spring, so that the fixing buckle and the sealing ring are clamped and fixed.
Preferably, the valve body and the side surface of the butt joint pipeline are provided with mounting holes with the same specification, the inside of each mounting hole is internally provided with a mounting bolt in a penetrating way, the outside of each mounting bolt is provided with a mounting nut for fixing the mounting bolt in a threaded way, and the valve body is mounted on the side surface of the butt joint pipeline by utilizing the cooperation between the mounting bolts and the mounting nuts.
Preferably, the mounting bolt surface fixed mounting has the blotter that is central symmetry and distributes, just the blotter sets up to having elastic rubber material, utilizes the elasticity buffering power that the blotter of rubber material provided to reduce the instantaneous effort that the valve body received when using to improve the life of valve body.
Compared with the prior art, the utility model has the beneficial effects that: this novel rubber lamella check valve with blowdown function adopts novel structural design for the device utilizes pneumatic pump control atmospheric pressure telescopic link to stretch out and draw back at the in-process that uses, thereby makes the atmospheric pressure telescopic link drive the connecting rod and rotates in step, thereby extract the second sealing plug, realize the purpose of automatic blowdown, and the gag lever post breaks away from the block when blowdown, make under the effect of rivers rotate impeller drive the mediation pole and rotate, dredge blowdown hole position, avoid appearing the condition of jam, and utilize mounting panel and fixed knot to carry out the block to the sealing washer, improve its installation stability, avoid appearing the condition that drops at the in-process that uses, its concrete content is as follows:
1. the cooperation between second sealing plug, connecting rod, atmospheric pressure telescopic link and the atmospheric pressure pump is used, utilizes the atmospheric pressure pump to shrink through coupling hose control atmospheric pressure telescopic link at appointed time point, and the atmospheric pressure telescopic link drives the connecting rod synchronous rotation at the in-process of shrink to discharge the second sealing plug from the blowdown hole, make the impurity that the valve body is inside to be accumulated and to be held up can automatic discharge, thereby avoid its inside fluidic flow of influence valve body and pressure.
2. The cooperation between movable sleeve, gag lever post, rotation impeller and the mediation pole is used, and the air pressure telescopic link is at the outside movable sleeve relative slip of pivoted in-process to utilize movable sleeve to drive the gag lever post and move downwards, make the gag lever post break away from with rotate the block between the impeller, make at this moment rotate the impeller and drive the mediation pole through driving belt under the impact effect of rivers and rotate, realize the automatic mediation to the blowdown hole position, avoid the inside jam of blowdown hole at the in-process of blowdown influence result of use.
3. The cooperation between rubber valve clack, mounting panel, sealing washer, fixed knot and the coupling spring is used, forms the block between the fixed knot in the mounting panel outside that utilizes and rubber valve clack fixed mounting when the installation sealing washer and the sealing washer, carries out spacing to a certain extent to the fixed knot under coupling spring's elasticity pulling effect this moment to improve the installation stability of sealing washer, avoid its condition that drops appears under the impact effect of rivers.
Drawings
FIG. 1 is a schematic diagram of a front cross-sectional structure of a valve body of the present utility model;
FIG. 2 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;
FIG. 3 is a schematic diagram showing the structure of the limit lever in front view in the active state;
FIG. 4 is a schematic top view of a rotary impeller of the present utility model;
FIG. 5 is a schematic side view of the rubber valve clack of the present utility model;
FIG. 6 is a schematic top view of a seal ring according to the present utility model;
FIG. 7 is a schematic view of a three-dimensional front view of a seal ring according to the present utility model;
FIG. 8 is an enlarged schematic view of the structure of FIG. 1B according to the present utility model;
FIG. 9 is a schematic side view in cross-section of a mounting bolt of the present utility model.
In the figure: 1. a valve body; 101. a mounting hole; 2. a valve cover; 3. a fixing bolt assembly; 4. a rubber valve flap; 5. a connecting shaft; 6. balancing weight; 7. an exhaust hole; 8. a first sealing plug; 9. a blow-down hole; 10. a second sealing plug; 11. a connecting rod; 12. rotating the impeller; 13. a deflector; 14. a seal ring; 15. a mounting plate; 16. an air pressure telescopic rod; 17. a connecting hose; 18. a pneumatic pump; 19. a movable sleeve; 20. a limit rod; 21. a dredging rod; 22. a drive belt; 23. a fixing buckle; 24. a connecting spring; 25. docking the pipeline; 26. installing a bolt; 27. installing a nut; 28. and a cushion pad.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-9, the present utility model provides a technical solution: the utility model provides a novel rubber lamella check valve with blowdown function, includes integrated into one piece's valve body 1, and valve gap 2 with it constitutes seal structure is installed to valve body 1 top, and utilizes fixing bolt subassembly 3 to constitute between valve gap 2 and the valve body 1 and dismantle mounting structure, still includes: the rubber valve clack 4 is arranged in the middle position inside the valve body 1, the position of the rubber valve clack 4 corresponds to the middle hole inside the valve body 1, the rubber valve clack 4 and the inside of the valve body 1 form a rotating structure through a connecting shaft 5 arranged at the upper end, and a metal balancing weight 6 is fixedly arranged on the outer surface of the lower end of the rubber valve clack 4; the exhaust hole 7 is formed in the upper surface of the valve cover 2, the exhaust hole 7 is used for exhausting gas doped in the valve body 1, and a first sealing plug 8 is arranged at the upper end of the exhaust hole 7 in a sealing manner; the drain hole 9 is formed in the middle of the lower surface of the valve body 1, the drain hole 9 is used for discharging impurities accumulated in the valve body 1, and the lower end of the drain hole 9 is plugged into a second sealing plug 10 which forms a sealing structure with the drain hole; the bottom end of the connecting rod 11 is fixedly arranged on the outer surface of the second sealing plug 10, and the top end of the connecting rod 11 is rotationally connected with the lower surface of the valve body 1; the rotary impeller 12 is rotatably arranged at the bottom end inside the valve body 1, the rotary impeller 12 is driven to rotate by water flow, the left side of the rotary impeller 12 is provided with a guide plate 13 fixedly arranged inside the valve body 1, and the guide plate 13 is of an inclined structure;
the middle position of the connecting rod 11 is externally provided with an air pressure telescopic rod 16 in a rotating way, the upper end of the air pressure telescopic rod 16 is rotationally connected with the outer surface of the valve body 1, the connecting rod 11 drives the second sealing plug 10 to form a dismounting installation structure with the sewage draining hole 9, the air pressure telescopic rod 16 forms a communication structure by utilizing a connecting hose 17 fixedly penetrating through the connecting hose and the air pressure pump 18 fixedly arranged outside the valve body 1, the air pressure pump 18 is in an automatic control mode, the air pressure telescopic rod 16 is externally provided with a movable sleeve 19 in a nested sliding way, the outer surface of the movable sleeve 19 is rotationally provided with a limiting rod 20 extending into the valve body 1, a penetrating type up-down sliding structure is formed between the limiting rod 20 and the valve body 1, the position of the limiting rod 20 corresponds to the position of the rotating impeller 12, the inner rotating part of the valve body 1 is provided with a dredging rod 21 corresponding to the position of the sewage draining hole 9, and the dredging rod 21 synchronously rotates with the rotating impeller 12 through a driving belt 22;
when the device is used, running water flows into the valve body 1 from the butt-joint pipeline 25, the rubber valve clack 4 is pushed to rotate around the connecting shaft 5 by utilizing the impact force of water flow, so that the valve is opened, when the water flow stops flowing, the rubber valve clack 4 and the weight of the balancing weight 6 are utilized to enable the rubber valve clack to downwards rotate, the valve is closed, the first sealing plug 8 is pulled out after a period of use, so that air in the valve body 1 is discharged from the exhaust hole 7, and thus the pressure in the valve body is high, and the regular pneumatic pump 18 is opened under the action of the control device, then the pneumatic telescopic rod 16 is started through the connecting hose 17, so that the pneumatic telescopic rod 16 is contracted and drives the connecting rod 11 to synchronously rotate, the second sealing plug 10 is discharged from the drain hole 9 by utilizing the connecting rod 11, so that the drain hole 9 is opened, the limit rod 20 is driven to downwards move to be separated from the rotating impeller 12 when the pneumatic telescopic rod 16 downwards (during the process, the movable sleeve 19 slides outside the pneumatic telescopic rod 16), then the rotating impeller 12 is pushed to rotate under the action of the water flow, the driving belt 22 drives the drain rod 21 to rotate, and the drain hole 21 is driven under the action of the driving belt 22, and the drain hole 9 is blocked by the drain hole 9, so that the drain position is prevented from being blocked.
The sealing ring 14 is fixedly arranged on the outer surface of the left side of the rubber valve clack 4, the sealing ring 14 is made of soft rubber material, the inner side of the sealing ring 14 is provided with a mounting plate 15 fixedly arranged with the rubber valve clack 4 by using screws, the outer side of the side surface of the mounting plate 15 is rotatably provided with a fixing buckle 23 which forms a clamping structure with the sealing ring 14, and a connecting spring 24 is fixedly arranged between the fixing buckle 23 and the outer surface of the rubber valve clack 4;
the fixing buckle 23 on the outer side of the mounting plate 15 is clamped with the sealing ring 14 when the sealing ring 14 is mounted, and the fixing buckle 23 is pulled by the elastic action of the connecting spring 24 at the moment, so that the sealing ring 14 is fixed, and the sealing ring 14 is prevented from falling off due to water flow impact in the using process.
The valve body 1 and the side surface of the butt joint pipeline 25 are provided with mounting holes 101 with the same specification, mounting bolts 26 are arranged in the mounting holes 101 in a penetrating manner, mounting nuts 27 for fixing the mounting bolts 26 are arranged outside the mounting bolts 26 in a threaded manner, buffer pads 28 distributed in a central symmetry manner are fixedly arranged on the outer surface of the mounting bolts 26, and the buffer pads 28 are made of elastic rubber;
when the valve body 1 is installed, the installation bolt 26 passes through the installation hole 101, then the installation nut 27 is used for fixing the installation bolt 26, the fixed installation between the butt joint pipeline 25 and the valve body 1 is realized, and at the moment, the buffer pad 28 on the outer surface of the installation bolt 26 is used for providing a certain buffer force, so that the connection position is buffered, the movable protection effect is achieved, and the service life of the device is prolonged.
In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims (9)

1. The utility model provides a novel rubber lamella check valve with blowdown function, includes integrated into one piece's valve body (1), valve gap (2) of sealing structure are constituteed with it to valve body (1) top, just valve gap (2) with utilize fixing bolt subassembly (3) to constitute between valve body (1) to dismantle mounting structure, its characterized in that still includes:
the rubber valve clack (4) is arranged in the middle position inside the valve body (1), the position of the rubber valve clack (4) corresponds to the middle hole inside the valve body (1), the rubber valve clack (4) and the valve body (1) form a rotating structure through a connecting shaft (5) arranged at the upper end, and a metal balancing weight (6) is fixedly arranged on the outer surface of the lower end of the rubber valve clack (4);
the exhaust hole (7) is formed in the upper surface of the valve cover (2), the exhaust hole (7) is used for exhausting gas doped in the valve body (1), and a first sealing plug (8) is arranged at the upper end of the exhaust hole (7) in a sealing manner;
the drain hole (9) is formed in the middle of the lower surface of the valve body (1), the drain hole (9) is used for discharging impurities accumulated in the valve body (1), and a second sealing plug (10) which forms a sealing structure with the drain hole (9) is inserted into the lower end of the drain hole;
the bottom end of the connecting rod (11) is fixedly arranged on the outer surface of the second sealing plug (10), and the top end of the connecting rod (11) is rotationally connected with the lower surface of the valve body (1);
the rotary impeller (12) is rotatably arranged at the bottom end inside the valve body (1), the rotary impeller (12) is driven to rotate by water flow, a guide plate (13) fixedly arranged inside the valve body (1) is arranged on the left side of the rotary impeller (12), and the guide plate (13) is of an inclined structure;
the sealing ring (14) is fixedly arranged on the outer surface of the left side of the rubber valve clack (4), the sealing ring (14) is made of soft rubber materials, and a mounting plate (15) fixedly arranged on the rubber valve clack (4) by using screws is arranged on the inner side of the sealing ring (14).
2. The novel rubber flap check valve with a blowdown function according to claim 1, characterized in that: the connecting rod (11) is externally rotatably provided with an air pressure telescopic rod (16) in the middle position, the upper end of the air pressure telescopic rod (16) is rotatably connected with the outer surface of the valve body (1), and the connecting rod (11) drives the second sealing plug (10) to form a dismounting and mounting structure with the sewage draining hole (9).
3. The novel rubber flap check valve with a blowdown function according to claim 2, characterized in that: the pneumatic telescopic rod (16) forms a communication structure by utilizing a connecting hose (17) fixedly penetrating the pneumatic telescopic rod and a pneumatic pump (18) fixedly arranged outside the valve body (1), and the pneumatic pump (18) is in an automatic control mode.
4. A novel rubber flap check valve with a blowdown function according to claim 3, characterized in that: the pneumatic telescopic rod (16) is externally nested and slidably provided with a movable sleeve (19), and the outer surface of the movable sleeve (19) is rotatably provided with a limiting rod (20) extending into the valve body (1).
5. The novel rubber flap check valve with a blowdown function according to claim 4, characterized in that: a penetrating up-down sliding structure is formed between the limiting rod (20) and the valve body (1), and the position of the limiting rod (20) corresponds to the position of the rotating impeller (12).
6. The novel rubber flap check valve with a blowdown function according to claim 1, characterized in that: the inside rotation of valve body (1) is installed and is had dredge pole (21) that correspond with blowoff hole (9) position each other, just dredge pole (21) are through synchronous rotation between driving belt (22) and the impeller (12).
7. The novel rubber flap check valve with a blowdown function according to claim 1, characterized in that: the outer part of the side surface of the mounting plate (15) is rotatably provided with a fixing buckle (23) which forms a clamping structure with the sealing ring (14), and a connecting spring (24) is fixedly arranged between the fixing buckle (23) and the outer surface of the rubber valve clack (4).
8. The novel rubber flap check valve with a blowdown function according to claim 1, characterized in that: the valve body (1) and the side face of the butt joint pipeline (25) are provided with mounting holes (101) with the same specification, mounting bolts (26) are arranged inside the mounting holes (101) in a penetrating mode, and mounting nuts (27) used for fixing the mounting bolts (26) are arranged outside the mounting bolts in a threaded mode.
9. The novel rubber flap check valve with a blowdown function according to claim 8, characterized in that: the outer surface of the mounting bolt (26) is fixedly provided with cushion pads (28) which are distributed in a central symmetry mode, and the cushion pads (28) are made of elastic rubber materials.
CN202310364063.4A 2023-04-07 2023-04-07 Novel rubber flap check valve with blowdown function Pending CN116658644A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310364063.4A CN116658644A (en) 2023-04-07 2023-04-07 Novel rubber flap check valve with blowdown function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310364063.4A CN116658644A (en) 2023-04-07 2023-04-07 Novel rubber flap check valve with blowdown function

Publications (1)

Publication Number Publication Date
CN116658644A true CN116658644A (en) 2023-08-29

Family

ID=87714231

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310364063.4A Pending CN116658644A (en) 2023-04-07 2023-04-07 Novel rubber flap check valve with blowdown function

Country Status (1)

Country Link
CN (1) CN116658644A (en)

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