CN221221456U

CN221221456U - Backwater prevention water conservancy valve

Info

Publication number: CN221221456U
Application number: CN202322741245.7U
Authority: CN
Inventors: 张家康
Original assignee: Liaoning Zhongbo Construction And Installation Engineering Co ltd; Liaoyang Baolin Construction Engineering Construction Co ltd; Liaoning Ruiyang Construction Industry Co ltd
Current assignee: Liaoning Zhongbo Construction And Installation Engineering Co ltd; Liaoyang Baolin Construction Engineering Construction Co ltd; Liaoning Ruiyang Construction Industry Co ltd
Priority date: 2023-10-12
Filing date: 2023-10-12
Publication date: 2024-06-25
Anticipated expiration: 2033-10-12

Abstract

The utility model discloses a backwater prevention water conservancy valve which comprises a valve body, wherein a first ventilation hole is formed in the top end of the valve body, a water inlet pipe is fixedly connected to the inner side surface of the valve body in a penetrating mode, a shunt pipe is fixedly connected to the other end of the water inlet pipe in a penetrating mode, a water outlet pipe is fixedly connected to the other end of the shunt pipe in a penetrating mode, a decompression mechanism is fixedly connected to the top end of the water inlet pipe, and a valve mechanism is rotatably connected to the top end of the inner portion of the valve body in a penetrating mode. According to the utility model, through the designed pressure reducing mechanism, the water pressure and the air pressure at the two ends of the valve tend to be stable, the unstable pressure at the two ends of the water valve is solved, the condition of preventing the valve from backwater is achieved, the accuracy of the water meter counting is prevented from being influenced, the movable structure can not be corroded by water through the designed valve mechanism, the situation that the movable structure cannot be opened or the screw is disconnected due to rust is avoided, and the service life of the valve is prolonged while the operation of staff is facilitated.

Description

Backwater prevention water conservancy valve

Technical Field

The utility model relates to the technical field of water conservancy valves, in particular to a backwater prevention water conservancy valve.

Background

The valve is used for controlling the flow direction and flow rate of fluid in a fluid system, the valve is a device for enabling the medium in the piping and equipment to flow or stop and controlling the flow rate of the medium, the valve can be used for controlling the flow of various types of fluid such as air, water, steam, various corrosive mediums, slurry, oil products, liquid metal, radioactive mediums and the like, the valve is a control component in a pipeline fluid conveying system and is used for changing the section of a passage and the flow direction of the medium, and has the functions of diversion, cut-off, throttling, check, diversion or overflow pressure relief and the like.

The following problems exist in the prior art:

1. When the common water conservancy valve is used in daily life, when the water pressure and the air pressure at the two ends of the valve are unstable, the condition of water flow backflow backwater exists, the backwater of the valve can influence the accuracy of water meter counting, and errors can be caused under the condition of facing water flow needing high accuracy;

2. When part water conservancy valve is used for a long time, movable part can produce corrosion under the long-term erosion of water, and it is very laborious when leading to opening, probably can have the circumstances such as screw fracture to inconvenient staff uses, has reduced water conservancy valve's practicality.

Disclosure of utility model

The utility model provides an anti-backwater water conservancy valve, wherein the utility model aims at solving the problem that backwater condition of water flow can exist when water pressure and air pressure at two ends of the valve are unstable, and designs a valve capable of enabling the water pressure and the air pressure at two ends of the valve to tend to be stable so as to achieve the condition of preventing backwater of the valve; the other purpose is to solve the problem that the movable part can be corroded under the long-term corrosion of water, so that the valve is laborious to open, and the designed valve structure cannot be corroded by water, so that the service life of the valve is prolonged.

In order to solve the technical problems, the utility model adopts the following technical scheme:

The utility model provides a prevent return water conservancy valve, includes the valve body, first bleeder vent has been seted up on the valve body top, the inside side of valve body runs through fixedly connected with inlet tube, the inlet tube other end runs through fixedly connected with shunt tubes, the shunt tubes other end runs through fixedly connected with outlet pipe, inlet tube top fixedly connected with decompression mechanism, the inside top of valve body runs through and rotates and be connected with valve mechanism.

The technical scheme of the utility model is further improved as follows: the decompression mechanism comprises two rotating rods which are rotationally connected with the inner wall of a water inlet pipe, the side faces of the rotating rods are fixedly connected with rotating doors, the tail ends of the rotating doors are fixedly connected with magnets, the magnets are magnetically connected, the surfaces of the rotating doors are fixedly connected with fixing blocks, reset springs are fixedly connected between the fixing blocks, the outer wall of the water inlet pipe is fixedly connected with a decompression box, and the inner wall of the decompression box is fixedly connected with a buffer sponge.

By adopting the technical scheme, the rotary door, the magnet, the reset spring and the buffer sponge in the scheme are matched with each other, so that the pressure at two ends of the valve can be reduced.

The technical scheme of the utility model is further improved as follows: a plurality of second air holes are formed in the top end of the decompression box.

By adopting the technical scheme, the ventilation holes in the scheme are used for air outlet.

The technical scheme of the utility model is further improved as follows: the valve mechanism comprises a connecting block which is connected with the top end of the valve body in a penetrating and rotating mode, a rotating handle is fixedly connected to the top end of the connecting block, a connecting plate is connected to the side face of the connecting block in a rotating mode, a guide rod is fixedly connected to the bottom end of the connecting plate, a transmission plate is connected to the other end of the guide rod in a penetrating and sliding mode, a screw rod matched with the guide rod is fixedly connected to the bottom end of the connecting block, and the screw rod is connected with the transmission plate in a penetrating and threaded mode.

By adopting the technical scheme, the rotating handle, the connecting block, the connecting plate, the guide rod and the screw rod in the scheme are mutually matched, so that the transmission plate can be driven up and down.

The technical scheme of the utility model is further improved as follows: the valve mechanism further comprises two transmission blocks fixedly connected with the bottom ends of the transmission plates, the two transmission blocks are in penetrating sliding connection with the shunt tubes, the other ends of the transmission blocks are fixedly connected with sliding blocks, and the bottom ends of the inside of the shunt tubes are fixedly connected with two limiting blocks matched with the sliding blocks.

By adopting the technical scheme, the two sliding blocks in the scheme are matched with the two limiting blocks, so that the effect of closing the flow of the water valve can be realized.

The technical scheme of the utility model is further improved as follows: the tail ends of the water inlet pipe and the water outlet pipe are provided with threads.

By adopting the technical scheme, the tail ends of the water inlet pipe and the water outlet pipe in the scheme adopt threads so as to facilitate connection of two ends.

By adopting the technical scheme, compared with the prior art, the utility model has the following technical progress:

1. The utility model provides a backwater prevention water conservancy valve, which can enable the water pressure and the air pressure at two ends of the valve to tend to be stable through the mutual matching of a rotary door, a magnet, a reset spring and a buffer sponge, and avoid the condition that the pressure at two ends of a water valve is unstable so as to prevent backwater of the valve.

2. The utility model provides a backwater prevention water conservancy valve, which can realize that a movable structure cannot be corroded by water through mutually matching a rotating handle, a connecting block, a connecting plate, a guide rod, a screw rod, two sliding blocks and two limiting blocks, and can not be opened or the screw rod is disconnected due to rust, so that the service life of the valve is prolonged.

Drawings

FIG. 1 is a perspective view of the whole of the present utility model;

FIG. 2 is a schematic view of the overall internal structure of the present utility model;

FIG. 3 is a cross-sectional view of the internal structure of the present utility model;

FIG. 4 is a cross-sectional view of the entirety of the present utility model;

fig. 5 is an enlarged schematic view of the portion a of the present utility model.

In the figure: 1. a valve body; 2. rotating the handle; 3. a first ventilation hole; 4. a water outlet pipe; 5. a screw; 6. a connecting plate; 7. a guide rod; 8. a drive plate; 9. a transmission block; 10. a shunt; 11. a water inlet pipe; 12. a decompression box; 13. a second ventilation hole; 14. buffering sponge; 15. a rotating rod; 16. a rotating door; 17. a limiting block; 18. a sliding block; 19. a connecting block; 20. a magnet; 21. a fixed block; 22. and a return spring.

Detailed Description

The utility model is further illustrated by the following examples:

Example 1

As shown in fig. 1-5, the utility model provides a backwater prevention water conservancy valve, which comprises a valve body 1, wherein a first ventilation hole 3 is formed in the top end of the valve body 1, a water inlet pipe 11 is fixedly connected to the inner side surface of the valve body 1 in a penetrating manner, a shunt pipe 10 is fixedly connected to the other end of the water inlet pipe 11 in a penetrating manner, a water outlet pipe 4 is fixedly connected to the other end of the shunt pipe 10 in a penetrating manner, a decompression mechanism is fixedly connected to the top end of the water inlet pipe 11, the decompression mechanism comprises two rotating rods 15 which are rotatably connected with the inner wall of the water inlet pipe 11, rotating doors 16 are fixedly connected to the side surfaces of the two rotating rods 15, magnets 20 are fixedly connected to the tail ends of the two rotating doors 16, magnetic force is connected between the two magnets 20, fixing blocks 21 are fixedly connected to the surfaces of the two rotating doors 16, a reset spring 22 is fixedly connected between the two fixing blocks 21, a decompression box 12 is fixedly connected to the outer wall of the water inlet pipe 11, a buffering sponge 14 is fixedly connected to the inner wall of the decompression box 12, and a plurality of second ventilation holes 13 are formed in the top end of the decompression box 12.

In this embodiment, when the pressure at the two ends of the water valve is different due to unstable air pressure and water pressure at the two ends of the water valve, the two magnets 20 are subjected to high pressure to generate force, so that the two magnets 20 are disconnected, the two rotating doors 16 rotate along the direction of the two rotating rods 15, the two rotating doors 16 rotate to drive the two fixed blocks 21 to rotate, meanwhile, the reset spring 22 is stressed and stretched, when the rotating doors are opened, water flow in the water pipe can flow out towards the inside of the decompression box 12, meanwhile, under the influence of the first ventilation holes 3 and the second ventilation holes 13, the pressure tends to be stable, the condition of water flow backflow is avoided, the buffer sponge 14 is used for preventing water flow from flowing into the valve body 1 from the second ventilation holes 13, after the pressure at the two ends of the water valve is stable, the reset spring 22 performs reset motion, the two rotating doors 16 are closed along the direction of the rotating rods 15 while the reset spring 22 is reset, and the two magnets 20 are connected together due to the influence of magnetic force.

Example 2

As shown in fig. 1-5, the utility model provides a backwater prevention water conservancy valve, which comprises a valve body 1, the top end of the valve body 1 is provided with a first ventilation hole 3, the inner side surface of the valve body 1 is fixedly connected with a water inlet pipe 11 in a penetrating manner, the other end of the water inlet pipe 11 is fixedly connected with a shunt pipe 10 in a penetrating manner, the other end of the shunt pipe 10 is fixedly connected with a water outlet pipe 4 in a penetrating manner, the top end of the inner side of the valve body 1 is rotatably connected with a valve mechanism in a penetrating manner, the valve mechanism comprises a connecting block 19 which is rotatably connected with the top end of the valve body 1 in a penetrating manner, the top end of the connecting block 19 is fixedly connected with a rotating handle 2, the side surface of the connecting block 19 is rotatably connected with a connecting plate 6, the bottom end of the connecting plate 6 is fixedly connected with a guide rod 7, the other end of the guide rod 7 is fixedly connected with a transmission plate 8 in a penetrating manner, the bottom end of the connecting block 19 is fixedly connected with a screw 5 matched with the guide rod 7, and the screw 5 is in threaded connection with the transmission plate 8 in a penetrating manner.

In this embodiment, the connecting block 19 can be driven to rotate at the top end of the valve body 1 by twisting the rotating handle 2, meanwhile, the connecting block 19 rotates to drive the screw 5 to rotate, and the screw 5 rotates to drive the transmission plate 8 to move up and down along the direction of the guide rod 7, so that the movable part of the valve mechanism can not contact water flow, corrosion caused by water is avoided, and the service life of the valve is further prolonged.

Example 3

As shown in fig. 1-5, the utility model provides a backwater prevention water conservancy valve, which comprises a valve body 1, wherein a first ventilation hole 3 is formed in the top end of the valve body 1, a water inlet pipe 11 is fixedly connected to the inner side surface of the valve body 1 in a penetrating manner, a shunt pipe 10 is fixedly connected to the other end of the water inlet pipe 11 in a penetrating manner, a water outlet pipe 4 is fixedly connected to the other end of the shunt pipe 10 in a penetrating manner, a valve mechanism is rotatably connected to the top end of the inner side of the valve body 1 in a penetrating manner, two transmission blocks 9 are fixedly connected to the bottom end of a transmission plate 8 in a penetrating manner, the two transmission blocks 9 are fixedly connected with the shunt pipe 10 in a penetrating manner, sliding blocks 18 are fixedly connected to the other ends of the two transmission blocks 9, and two limiting blocks 17 matched with the sliding blocks 18 are fixedly connected to the bottom end of the inner side of the shunt pipe 10.

In this embodiment, the driving plate 8 moves up and down to drive the two driving blocks 9 to move up and down, the two driving blocks 9 move at the top ends of the shunt tubes 10, the two driving blocks 9 move to drive the two sliding blocks 18 to move, and the two sliding blocks 18 are closed with the corresponding two limiting blocks 17 to realize the closing of water flow.

The working principle of the backwater prevention water conservancy valve is specifically described below.

As shown in fig. 1-5, when because the atmospheric pressure and the water pressure at water valve both ends are unstable, and when the pressure that leads to water valve both ends is different, two magnet 20 can receive high pressure and the power that produces, lead to two magnet 20 disconnection, two revolving door 16 can rotate along the direction of two bull sticks 15, two revolving door 16 rotate and can drive two fixed blocks 21 and rotate, return spring 22 atress stretching simultaneously, when the moment that the revolving door was opened, the rivers inside the water pipe can be to the inside surge of decompression box 12, simultaneously, under the influence of pressure through first bleeder vent 3 and second bleeder vent 13, the pressure tends to stabilize, the condition of rivers backward flow has been avoided, buffer sponge 14 is in order to prevent rivers from gushing into valve body 1 from second bleeder vent 13 inside, after the pressure at water valve both ends is stable, return spring 22 can do reset motion, when return spring 22 resets, two revolving door 16 can be closed along the direction of bull stick 15, when two magnet 20 are close, two magnet 20 can be because of the influence of magnetic force, link together, can drive top 19 at 1 through the rotation handle 2, simultaneously, two drive the valve body 5 under the drive the driver block 5, two drive the slider 5 under the two drive the slider 5, the slider 9, the two drive the slider 9, the transmission piece is realized under the two and the slider 9 is realized, the two and the slider is realized under the slider 9, the slider is realized, the motion is realized, and is realized under the slider, the slider is realized, and is connected to the two slider 9, and is realized under the slider, and is connected to the motion 9, and is realized under the motion 9, and is correspondingly under the motion 9, and is realized.

The foregoing utility model has been generally described in great detail, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, it is intended to cover modifications or improvements within the spirit of the inventive concepts.

Claims

1. The utility model provides a prevent return water conservancy valve, includes valve body (1), its characterized in that: the novel water heater is characterized in that a first ventilation hole (3) is formed in the top end of the valve body (1), a water inlet pipe (11) is fixedly connected to the inner side face of the valve body (1) in a penetrating mode, a shunt pipe (10) is fixedly connected to the other end of the water inlet pipe (11), a water outlet pipe (4) is fixedly connected to the other end of the shunt pipe (10), a decompression mechanism is fixedly connected to the top end of the water inlet pipe (11), and a valve mechanism is rotatably connected to the inner top end of the valve body (1) in a penetrating mode.

2. The backwater prevention water conservancy valve of claim 1, wherein: the decompression mechanism comprises two rotating rods (15) rotationally connected with the inner wall of a water inlet pipe (11), two rotating doors (16) are fixedly connected to the side faces of the rotating rods (15), two magnets (20) are fixedly connected to the tail ends of the rotating doors (16), the two magnets (20) are magnetically connected, fixed blocks (21) are fixedly connected to the surfaces of the rotating doors (16), reset springs (22) are fixedly connected between the fixed blocks (21), a decompression box (12) is fixedly connected to the outer wall of the water inlet pipe (11), and a buffering sponge (14) is fixedly connected to the inner wall of the decompression box (12).

3. The backwater prevention water conservancy valve of claim 2, wherein: a plurality of second ventilation holes (13) are formed in the top end of the decompression box (12).

4. The backwater prevention water conservancy valve of claim 1, wherein: the valve mechanism comprises a connecting block (19) which is connected with the top end of the valve body (1) in a penetrating and rotating mode, the top end of the connecting block (19) is fixedly connected with a rotating handle (2), the side face of the connecting block (19) is connected with a connecting plate (6) in a rotating mode, the bottom end of the connecting plate (6) is fixedly connected with a guide rod (7), the other end of the guide rod (7) is connected with a transmission plate (8) in a penetrating and sliding mode, the bottom end of the connecting block (19) is fixedly connected with a screw (5) matched with the guide rod (7), and the screw (5) is connected with the transmission plate (8) in a penetrating and threaded mode.

5. A backwater prevention water conservancy valve according to claim 3, wherein: the valve mechanism further comprises two transmission blocks (9) fixedly connected with the bottom ends of the transmission plates (8), the two transmission blocks (9) are in penetrating sliding connection with the shunt tubes (10), the other ends of the two transmission blocks (9) are fixedly connected with sliding blocks (18), and the bottom ends of the inside of the shunt tubes (10) are fixedly connected with two limiting blocks (17) matched with the sliding blocks (18).

6. The backwater prevention water conservancy valve of claim 1, wherein: the tail ends of the water inlet pipe (11) and the water outlet pipe (4) are provided with threads.