CN111946852B - Water conservancy valve with prevent return water - Google Patents

Water conservancy valve with prevent return water Download PDF

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Publication number
CN111946852B
CN111946852B CN202010688135.7A CN202010688135A CN111946852B CN 111946852 B CN111946852 B CN 111946852B CN 202010688135 A CN202010688135 A CN 202010688135A CN 111946852 B CN111946852 B CN 111946852B
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China
Prior art keywords
pipeline
wall
water
fixedly connected
blocks
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CN202010688135.7A
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Chinese (zh)
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CN111946852A (en
Inventor
黎雯婷
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Guangdong Shunde Xingke Electrical Equipment Co ltd
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Guangdong Shunde Xingke Electrical Equipment Co ltd
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Priority to CN202010688135.7A priority Critical patent/CN111946852B/en
Publication of CN111946852A publication Critical patent/CN111946852A/en
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    • 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
    • F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
    • F16K5/06—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor
    • 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
    • F16K15/02—Check valves with guided rigid valve 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
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K27/00—Construction of housing; Use of materials therefor
    • F16K27/06—Construction of housing; Use of materials therefor of taps or cocks
    • F16K27/067—Construction of housing; Use of materials therefor of taps or cocks with spherical plugs
    • 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
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/44—Mechanical actuating means
    • F16K31/60—Handles
    • 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
    • F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
    • F16K5/08—Details
    • 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
    • F16L21/00—Joints with sleeve or socket
    • F16L21/02—Joints with sleeve or socket with elastic sealing rings between pipe and sleeve or between pipe and socket, e.g. with rolling or other prefabricated profiled rings
    • 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
    • F16L21/00—Joints with sleeve or socket
    • F16L21/08—Joints with sleeve or socket with additional locking means
    • 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
    • F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/07—Arrangement or mounting of devices, e.g. valves, for venting or aerating or draining
    • 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
    • F16L58/00—Protection of pipes or pipe fittings against corrosion or incrustation
    • F16L58/02—Protection of pipes or pipe fittings against corrosion or incrustation by means of internal or external coatings
    • F16L58/04—Coatings characterised by the materials used
    • F16L58/10—Coatings characterised by the materials used by rubber or plastics
    • F16L58/1009—Coatings characterised by the materials used by rubber or plastics the coating being placed inside the pipe

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Valve Housings (AREA)
  • Branch Pipes, Bends, And The Like (AREA)

Abstract

The invention discloses a water conservancy valve capable of preventing water from returning, which comprises a first pipeline, wherein the left side and the right side of the inner wall of the first pipeline are fixedly connected with a first through hole plate, the left side and the right side of the inner wall of the first pipeline are sleeved with a first rubber ring, the left side and the right side of the inner wall of the first pipeline are provided with a second pipeline, the outer wall of a block body is in clearance fit with the inner wall of the first pipeline, the left side of the block body is fixedly connected with the right side of a first spring, and the left side of the first spring is fixedly connected to the right side of a supporting rod. This water conservancy valve with prevent return water, can effectually prevent overflowing of water, can effectual protection to the long-time contact of first pipeline and water, avoid causing first pipeline damage, but make the joint of second pipeline kelly and draw-in groove piece, and elastic deformation through the second spring, can carry out quick installation or dismantlement with first pipeline and second pipeline, make the second pipeline through the sealed with first rubber circle, second pipeline and first pipeline can carry out limited sealing.

Description

Water conservancy valve with prevent return water
Technical Field
The invention relates to the technical field of water conservancy valves, in particular to a water conservancy valve capable of preventing water return.
Background
Valves are fittings for pipes that are used to open and close the pipe, control the flow direction, regulate and control the parameters of the transport medium (temperature, pressure and flow). According to its function, can divide into shut-off valve, check valve, governing valve etc. although current water conservancy valve can realize the control to water, when the valve damages the back, can lose control to water, can't carry out quick ending, can cause a large amount of water waste's problem, and when having valve and pipeline to be connected, need carry out the bolt fastening, the bolt fastening dismantles and the installation is wasted time and energy, the not convenient to use person's installation or dismantlement problem of maintenance.
Disclosure of Invention
The invention aims to provide a water conservancy valve capable of preventing water from returning, and aims to solve the problems that the existing water conservancy valve in the background art can realize water control, and when the valve is damaged, the water is out of control, rapid stopping cannot be carried out, and a large amount of water resources are wasted.
In order to achieve the purpose, the invention provides the following technical scheme: a water conservancy valve capable of preventing water return comprises a first pipeline, wherein a first through hole plate is fixedly connected to the left side and the right side of the inner wall of the first pipeline, a first rubber ring is sleeved on the left side and the right side of the inner wall of the first pipeline, a second pipeline is arranged on the left side and the right side of the inner wall of the first pipeline, the outer wall of the second pipeline is in clearance fit with the inner wall of the first pipeline, the outer wall of the second pipeline is in interference fit with the inner wall of the first rubber ring and is attached to the outer side of the first through hole plate, and a flow stopping mechanism is arranged on the left side of the inner wall of the first pipeline;
the flow stopping mechanism comprises a second through hole plate, a support rod, a block body and a first spring;
the outer wall of second through-hole board cup joints together with the inner wall left side of first pipeline, the most side of second through-hole board is equipped with branch, the top and the bottom of branch rigid coupling respectively in the inner wall top and the bottom of first pipeline, the inner wall left side interference fit of second through-hole board has the block, the outer wall of block and the inner wall clearance fit of first pipeline, the left side of block is equipped with first spring, the left side of block is in the same place with the right side rigid coupling of first spring, the left side rigid coupling of first spring in the right side of branch.
Preferably, the inner wall of the first pipeline is provided with an anti-corrosion layer;
the anti-corrosion layer comprises an epoxy resin composite material coating layer and an acrylic acid waterproof coating;
the inner wall spraying of first pipeline has the epoxy composite coating layer, the inner wall spraying of epoxy composite coating layer has acrylic acid waterproof coating.
Preferably, the left side and the right side of the top of the first pipeline are both provided with a fixing mechanism;
the fixing mechanism comprises a T-shaped block, a transverse block, a second spring, a vertical plate, a connecting shaft, a clamping rod and a clamping groove block;
two both sides about the top of first pipeline, two are located to T type piece rigid coupling respectively in the top left and right sides of first pipeline, two the outer wall of T type piece is equipped with horizontal piece, the inner wall of horizontal piece slides with the outer wall of T type piece and links to each other, the outside of horizontal piece is equipped with the second spring, the inboard of second spring is in the same place with the outside rigid coupling of horizontal piece, the outside rigid coupling of second spring has the riser, two the riser rigid coupling respectively in the top left and right sides of first pipeline, two the connecting axle is all installed at the top of horizontal piece, two the horizontal piece rotates through the connecting axle and links to each other there is the kelly, two the top of two second pipelines is located respectively to the draw-in groove piece rigid coupling respectively in the top of two second pipelines, two the draw-in groove piece respectively with two kelly looks joints.
Preferably, the tops of the two clamping rods are provided with stop blocks.
Preferably, the inner wall of the first pipeline is provided with a control mechanism;
the control mechanism comprises a ball valve, a second rubber ring, a sealing bearing, a round rod and a handle;
the inner wall of first pipeline is located to the ball valve, the outer wall of ball valve and the inner wall clearance fit of first pipeline, the outer wall left and right sides of ball valve has all laminated the second rubber circle, two the second rubber circle cup joints respectively in the inner wall left and right sides of first pipeline, the inner wall bottom of bottom through sealed bearing and first pipeline of ball valve rotates and links to each other, the top rigid coupling of ball valve has the round bar, the outer wall of round bar rotates through the inner wall top of sealed bearing and first pipeline and links to each other, the top rigid coupling of round bar has the handle.
Preferably, the surface of the handle is provided with grains.
Compared with the prior art, the invention has the beneficial effects that:
this water conservancy valve with prevent return water, structure scientific and reasonable, convenience safe in utilization.
This water conservancy valve with prevent return water through the cooperation between second through-hole board, block, first spring and the branch for behind the sealed damage of second rubber pad and ball valve, partly water can flow to the second pipeline through first pipeline, through the sealed between block and the second through-hole board, can effectually prevent spilling over of stagnant water.
This water conservancy valve with prevent return water through the cooperation between first pipeline, epoxy composite coating layer and the acrylic acid waterproof coating for the corrosion resistance that first pipeline has through epoxy composite coating layer and acrylic acid waterproof coating, can effectual protection avoid causing first pipeline damage to first pipeline and the long-time contact of water.
This water conservancy valve with prevent return water through the cooperation between kelly, draw-in groove piece, T type piece, second spring and the riser for but the joint of second pipeline kelly and draw-in groove piece, and through the elastic deformation of second spring, can carry out quick installation or dismantlement with first pipeline and second pipeline.
This water conservancy valve with prevent return water through the cooperation between first rubber circle, first through-hole board and the second pipeline for the second pipeline through with the sealed of first rubber circle, the second pipeline can carry out limited sealing with first pipeline.
Drawings
FIG. 1 is a schematic diagram of the connection relationship of the present invention;
FIG. 2 is a schematic structural view of the first conduit, strut and block of FIG. 1;
FIG. 3 is a schematic structural diagram of the first pipeline, the first through hole plate and the epoxy resin composite coating layer in FIG. 1;
FIG. 4 is a left side schematic view of the first pipe, the epoxy resin composite coating layer and the acrylic waterproof coating layer in FIG. 1;
FIG. 5 is a schematic view of the second pipe, the T-block and the clamping rod of FIG. 1;
fig. 6 is a schematic structural view of the valve body, the round rod and the handle in fig. 1.
In the figure: 1. the pipeline sealing device comprises a first pipeline, 2, a first through hole plate, 3, a first rubber ring, 4, a second pipeline, 5, a flow stopping mechanism, 501, a second through hole plate, 502, a support rod, 503, a block body, 504, a first spring, 6, an anti-corrosion layer, 601, an epoxy resin composite material coating layer, 602, an acrylic acid waterproof coating, 7, a fixing mechanism, 701, a T-shaped block, 702, a transverse block, 703, a second spring, 704, a vertical plate, 705, a connecting shaft, 706, a clamping rod, 707, a clamping groove block, 8, a control mechanism, 801, a ball valve, 802, a second rubber ring, 803, a sealing bearing, 804, a round rod, 805 and a handle.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides a technical solution:
example 1
A water conservancy valve capable of preventing water return comprises a first pipeline 1, wherein the left side and the right side of the inner wall of the first pipeline 1 are fixedly connected with a first through hole plate 2, the left side and the right side of the inner wall of the first pipeline 1 are respectively sleeved with a first rubber ring 3, the left side and the right side of the inner wall of the first pipeline 1 are respectively provided with a second pipeline 4, the outer wall of each second pipeline 4 is in clearance fit with the inner wall of the first pipeline 1, the outer wall of each second pipeline 4 is in interference fit with the inner wall of the corresponding first rubber ring 3 and is attached to the outer side of the corresponding first through hole plate 2, so that the second pipeline 4 can be effectively sealed when being connected with the first pipeline 1 through the interference fit with the first rubber ring 3, a flow stopping mechanism 5 is arranged on the left side of the inner wall of the first pipeline 1, each flow stopping mechanism 5 comprises a second through hole plate 501, a supporting rod 502, a block 503 and a first spring 504, the outer wall of the second through hole plate 501 is sleeved with the left side of the first pipeline 1, the most side of second through hole board 501 is equipped with branch 502, the top and the bottom of branch 502 are respectively rigid coupling in the inner wall top and the bottom of first pipeline 1, the inner wall left side interference fit of second through hole board 501 has block 503, the outer wall of block 503 and the inner wall clearance fit of first pipeline 1, make block 503 when laminating and keeping interference fit with second through hole board 501, can hinder the right side second pipeline 4 to flow into first pipeline 1 and through the water that the left side second pipeline 4 flows out, the left side of block 503 is equipped with first spring 503, first spring 503 gives block 503 and the second through hole board 501 the power that carries out interference fit, the left side of block 503 and the right side rigid coupling of first spring 504 are in the same place, the left side rigid coupling of first spring 504 is in the right side of branch 502.
Example 2
As an optional situation, referring to fig. 1, 2 and 4, the water conservancy valve with water return prevention function is provided, the inner wall of the first pipeline 1 is provided with an anti-corrosion layer 6, the anti-corrosion layer 6 comprises an epoxy resin composite coating layer 601 and an acrylic waterproof coating 602, the inner wall of the first pipeline 1 is sprayed with the epoxy resin composite coating layer 601, the epoxy resin composite coating layer 601 is suitable for protecting the pipeline from abrasion, severe environmental conditions and corrosion and has good acid and alkali corrosion resistance, the inner wall of the epoxy resin composite coating layer 601 is sprayed with the acrylic waterproof coating 602, the acrylic waterproof coating 602 is a single-component water emulsion type waterproof coating prepared by adding other additives by taking pure acrylic polymer emulsion as a base material, and a waterproof film formed after the waterproof coating is cured has certain extensibility, elastoplasticity, crack resistance, impermeability and weather resistance, can play the roles of water prevention, seepage prevention and protection.
The scheme in this embodiment can be selectively combined with the scheme in other embodiments.
Example 3
As an optional situation, referring to fig. 1 and 5, the water conservancy valve with the function of preventing water return is provided, the left and right sides of the top of the first pipeline 1 are both provided with fixing mechanisms 7, each fixing mechanism 7 comprises a T-shaped block 701, a transverse block 702, a second spring 703, a vertical plate 704, a connecting shaft 705, a clamping rod 706 and a clamping groove block 707, the two T-shaped blocks 701 are arranged on the left and right sides of the top of the first pipeline 1, the two T-shaped blocks 701 are respectively fixedly connected with the left and right sides of the top of the first pipeline 1, the outer walls of the two T-shaped blocks 701 are provided with the transverse block 702, the inner wall of the transverse block 702 is slidably connected with the outer wall of the T-shaped block 701, so that the transverse block 702 can slide left and right on the outer wall of the T-shaped block 701, the outer side of the transverse block 702 is provided with the second spring 703, the inner side of the second spring 703 is fixedly connected with the outer side of the transverse block 702, the vertical plate 704 is fixedly connected with the outer side of the second spring 703, the transverse block 702, the second spring 703 gives a force for the transverse block 702 to drive the clamping rod 706 to move inwards, and then make kelly 706 and draw-in groove piece 707 can stabilize the joint, and support second pipeline 4 tightly to the outer wall of first access board 2, two risers 704 rigid coupling respectively in the top left and right sides of first pipeline 1, connecting axle 705 is all installed at the top of two horizontal lumps 702, two horizontal lumps 702 rotate through connecting axle 705 and link up with kelly 706, make kelly 706 rotate at the top of horizontal lumps 702, two top of second pipeline 4 are located respectively to two draw-in groove pieces 707, two top of draw-in groove piece 707 rigid coupling respectively in two second pipeline 4, two draw-in groove pieces 707 respectively with two draw-in groove 706 looks joints, make second pipeline 4 can carry out stable sealed laminating with first pipeline 1, the top of two draw-in groove pieces 706 is equipped with the dog, the dog is used for the user to remove the kelly.
The scheme in this embodiment can be selectively combined with the scheme in other embodiments.
Example 4
As an optional situation, referring to fig. 1 and 6, the water conservancy valve with water return prevention function is provided, the inner wall of the first pipeline 1 is provided with the control mechanism 8, the control mechanism 8 comprises a ball valve 801, a second rubber ring 802, a sealing bearing 803, a round rod 804 and a handle 805, the ball valve 801 is arranged on the inner wall of the first pipeline 1, the outer wall of the ball valve 801 is in clearance fit with the inner wall of the first pipeline 1, the second rubber rings 802 are respectively attached to the left side and the right side of the outer wall of the ball valve 801, the two second rubber rings 802 are respectively sleeved on the left side and the right side of the inner wall of the first pipeline 1, when the through hole of the ball valve 801 does not rotate and corresponds to the two second pipelines 4, the ball valve 801 is attached to the second rubber rings 802 to seal the first pipeline 1, the bottom of the ball valve 801 is rotatably connected to the bottom of the inner wall of the first pipeline 1 through the sealing bearing, the round rod 804 is fixedly connected to the top of the ball valve 801, the outer wall of the round rod 804 is rotatably connected to the top of the inner wall of the first pipeline 1 through the sealing bearing 803, the top rigid coupling of round bar 804 has handle 805, and handle 805 is used for the user to drive round bar 804 and rotates for round bar 804 drives ball valve 801 and rotates, makes the water accessible first pipeline 1 of the second pipeline 4 on right side flow to the inner wall of left side second pipeline 4, and the surface machining of handle 805 has the line, and the line is used for increasing the frictional force between handle 805 and the hand.
The scheme in this embodiment can be selectively combined with the scheme in other embodiments.
Example 5
When the water conservancy valve with the function of preventing water return is used, a user can rotate the handle 805, so that the handle 805 drives the round rod 804 to rotate, the round rod 804 drives the ball valve 801 to rotate, water in the right-side second pipeline 4 can flow to the inner wall of the left-side second pipeline 4 through the first pipeline 1, when inflow water flows to the left-side second pipeline 4, the water flow pushes the block 503 out of the inner wall of the second port plate 501, so that the water flows to the inner wall of the left-side second pipeline 4 stably, the water flow of the left-side second pipeline 4 cannot flow to the inner wall of the first pipeline 1 through the second port plate 501 through interference fit between the block 503 and the inner wall of the second port plate 501, and when the seal between the second rubber gasket 802 and the ball valve 801 is damaged, part of the water can flow to the first pipeline 1 through the right-side second pipeline 4 and flow to the left-side second pipeline 4, through the sealing between block 503 and the second through-hole board 801, can effectually prevent overflowing of water, when needs dismantle the maintenance to second pipeline 4, the user removes kelly 706, cancels the joint with kelly 706 and draw-in groove piece 707 for second pipeline 4 cancels and the first pipeline 1 support the connection of laminating tightly, makes the user can separate second pipeline 4 and first pipeline 1, maintains.
The scheme in this embodiment can be selectively combined with the scheme in other embodiments.
In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, 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, are not to be construed as limiting the present invention.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (4)

1. The utility model provides a water conservancy valve with prevent return water, includes first pipeline (1), the equal rigid coupling in inner wall left and right sides of first pipeline (1) has first through-hole board (2), first rubber circle (3) have all been cup jointed to the inner wall left and right sides of first pipeline (1), the inner wall left and right sides of first pipeline (1) all is equipped with second pipeline (4), the outer wall of second pipeline (4) and the inner wall clearance fit of first pipeline (1), the outer wall of second pipeline (4) and the inner wall interference fit of first rubber circle (3) to laminate its characterized in that mutually with the outside of first through-hole board (2): a flow stopping mechanism (5) is arranged on the left side of the inner wall of the first pipeline (1);
the flow stopping mechanism (5) comprises a second through hole plate (501), a support rod (502), a block body (503) and a first spring (504);
the outer wall of the second through hole plate (501) is sleeved with the left side of the inner wall of the first pipeline (1), a support rod (502) is arranged on the left side of the second through hole plate (501), the top and the bottom of the support rod (502) are fixedly connected to the top and the bottom of the inner wall of the first pipeline (1) respectively, a block body (503) is in interference fit with the left side of the inner wall of the second through hole plate (501), the outer wall of the block body (503) is in clearance fit with the inner wall of the first pipeline (1), a first spring (504) is arranged on the left side of the block body (503), the left side of the block body (503) is fixedly connected with the right side of the first spring (504), and the left side of the first spring (504) is fixedly connected to the right side of the support rod (502);
the left side and the right side of the top of the first pipeline (1) are provided with fixing mechanisms (7);
the fixing mechanism (7) comprises a T-shaped block (701), a transverse block (702), a second spring (703), a vertical plate (704), a connecting shaft (705), a clamping rod (706) and a clamping groove block (707);
the two T-shaped blocks (701) are arranged on the left side and the right side of the top of the first pipeline (1), the two T-shaped blocks (701) are fixedly connected to the left side and the right side of the top of the first pipeline (1) respectively, the outer walls of the two T-shaped blocks (701) are provided with transverse blocks (702), the inner walls of the transverse blocks (702) are connected with the outer walls of the T-shaped blocks (701) in a sliding mode, the outer sides of the transverse blocks (702) are provided with second springs (703), the inner sides of the second springs (703) are fixedly connected with the outer sides of the transverse blocks (702), the outer sides of the second springs (703) are fixedly connected with vertical plates (704), the two vertical plates (704) are fixedly connected to the left side and the right side of the top of the first pipeline (1) respectively, connecting shafts (705) are arranged on the tops of the two transverse blocks (702), clamping rods (706) are connected with the transverse blocks (702) through the rotation of the transverse blocks (705), and the two clamping groove blocks (707) are arranged on the tops of the two second pipelines (4) respectively, the two clamping groove blocks (707) are fixedly connected to the tops of the two second pipelines (4) respectively, and the two clamping groove blocks (707) are clamped with the two clamping rods (706) respectively;
the tops of the two clamping rods (706) are provided with stop blocks.
2. The water conservancy valve of claim 1, wherein the valve is characterized in that: the inner wall of the first pipeline (1) is provided with an anti-corrosion layer (6);
the anti-corrosion layer (6) comprises an epoxy resin composite material coating layer (601) and an acrylic waterproof coating layer (602);
the inner wall spraying of first pipeline (1) has epoxy composite paint layer (601), the inner wall spraying of epoxy composite paint layer (601) has acrylic acid waterproof coating (602).
3. The water conservancy valve of claim 1, wherein the valve is characterized in that: the inner wall of the first pipeline (1) is provided with a control mechanism (8);
the control mechanism (8) comprises a ball valve (801), a second rubber ring (802), a sealing bearing (803), a round rod (804) and a handle (805);
the inner wall of first pipeline (1) is located in ball valve (801), the outer wall of ball valve (801) and the inner wall clearance fit of first pipeline (1), second rubber circle (802), two have all been laminated to the outer wall left and right sides of ball valve (801) second rubber circle (802) cup joints respectively in the inner wall left and right sides of first pipeline (1), the inner wall bottom of ball valve (801) is rotated through sealed bearing and first pipeline (1) and is linked to each other, the top rigid coupling of ball valve (801) has round bar (804), the outer wall of round bar (804) is rotated through sealed bearing (803) and the inner wall top of first pipeline (1) and is linked to each other, the top rigid coupling of round bar (804) has handle (805).
4. A water sluicevalve with prevention of water return according to claim 3, characterized in that: the surface of the handle (805) is provided with grains.
CN202010688135.7A 2020-07-16 2020-07-16 Water conservancy valve with prevent return water Active CN111946852B (en)

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US8720487B2 (en) * 2010-10-19 2014-05-13 Robert Charles Cooley Grease delivery receiver and nozzle couplable without fluid pressure bleed-down and having pressurization lockout and flush face coupling
CN203272899U (en) * 2013-05-31 2013-11-06 浙江万盛机械有限公司 Ball check valve
CN205605893U (en) * 2016-04-29 2016-09-28 浙江富克林环保科技有限公司 Take check valve formula ball valve
CN209654694U (en) * 2019-03-27 2019-11-19 科达阀门科技有限公司 A kind of piston type decompression venting valve
CN210106658U (en) * 2019-06-25 2020-02-21 浙江高境阀门有限公司 Corrosion-resistant ball valve convenient to butt joint

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