CN216344095U

CN216344095U - Three-way stop valve convenient for flow regulation

Info

Publication number: CN216344095U
Application number: CN202123004922.4U
Authority: CN
Inventors: 沈勇; 高成
Original assignee: Jiangsu Penggao Valve Co ltd
Current assignee: Jiangsu Penggao Valve Co ltd
Priority date: 2021-12-02
Filing date: 2021-12-02
Publication date: 2022-04-19
Anticipated expiration: 2031-12-02

Abstract

The utility model discloses a three-way stop valve convenient for flow adjustment, which comprises a valve body, wherein the middle part of the right end of the valve body is fixedly connected with a water outlet pipe, the middle part of the top end of the valve body is fixedly connected with a valve cover, the middle part of the top end of a connecting flange is fixedly connected with a connecting block, the bottom end of a valve rod is fixedly connected with the middle part of the top end of a valve core, the middle part of the top end of a water inlet pipe is fixedly connected with a nut, the nut is internally and threadedly connected with a screw rod, the bottom end of the screw rod is fixedly connected with a pressure rod, the right side of the inner wall of the top end of the water inlet pipe is rotatably connected with a rotating plate, and the right side of the top end of the rotating plate is provided with a sliding groove. According to the utility model, the fluid reversing function is realized by adjusting the hand wheel, the positions of the pressure lever and the pressure plate can be adjusted by rotating the adjusting wheel, the flow of the stop valve is adjusted by sealing the pressure plate on the water inlet pipe, the abrasion of the valve core generated during rotation is reduced by the rubber cushion, the service life of the valve core is prolonged, and the valve core is simple and easy to use.

Description

Three-way stop valve convenient for flow regulation

Technical Field

The utility model relates to the field of stop valves, in particular to a three-way stop valve convenient for flow regulation.

Background

The stop valve is also called a stop valve, belonging to a forced sealing type valve, so when the valve is closed, pressure must be applied to a valve clack to prevent a sealing surface from leaking, when a medium enters the valve from the lower part of the valve clack, the resistance to be overcome by an operating force is the friction force of a valve rod and a filler and the thrust generated by the pressure of the medium, the force for closing the valve is larger than the force for opening the valve, so the diameter of the valve rod is larger, otherwise, the failure of the valve rod bending can occur, and the stop valve is divided into three types according to the connection mode: the valve comprises a valve body, a valve clack, a valve rod, a stop valve, a valve core, a valve cover, a valve rod and a valve cover, wherein the valve rod is connected with the valve body through a flange, a screw thread and a welding connection. Meanwhile, under the action of a medium, the valve in the form is also tighter, the 'three-part design' of the valve in China has been specified, the flow direction of the stop valve is uniformly from top to bottom, when the stop valve is opened, the opening height of the valve clack reaches the maximum when the opening height is 25% -30% of the nominal diameter, and the valve reaches the full-opening position, so the full-opening position of the stop valve is determined by the stroke of the valve clack.

Chinese patent document CN213711968U discloses a three-way stop valve, in which a valve stem assembly extending into a control chamber is provided at an upper end of a valve body, and a first baffle plate is connected to a lower end of the valve stem assembly; and a second baffle plate connected to the valve rod assembly is arranged above the first baffle plate. Utilize above-mentioned utility model discloses can solve multi-channel type pipeline effectively and appear wasting of resources, the loaded down with trivial details problem of control owing to need set up a plurality of stop valves. However, the shutoff valve firstly does not have good treatment on the sealing performance, can cause the problems of sealing performance and service life after long-term use, and secondly has poor convenience in flow regulation and needs to be improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a three-way stop valve convenient for flow regulation.

In order to achieve the purpose, the utility model adopts the following technical scheme: a three-way stop valve convenient for flow adjustment comprises a valve body, wherein a water inlet pipe is fixedly connected to the middle part of the left end of the valve body, a water outlet pipe is fixedly connected to the middle part of the right end of the valve body, a reversing pipe is fixedly connected to the middle part of the rear end of the valve body, a valve cover is fixedly connected to the middle part of the top end of the valve body, the top end of the valve cover is connected with a connecting flange through a bolt, a connecting block is fixedly connected to the middle part of the top end of the connecting flange, a valve rod is rotatably connected to the inside of the connecting block, the bottom end of the valve rod is fixedly connected to the middle part of the top end of a valve core, flow guide holes are formed in the left end, the right end and the middle parts of the left end and the right end of the valve core, a nut is fixedly connected to the middle part of the top end of the water inlet pipe, a screw rod is fixedly connected to the middle part of the bottom end of an adjusting wheel, a compression rod is fixedly connected to the bottom end of the screw rod, and a rotating plate is rotatably connected to the right side of the inner wall of the top end of the water inlet pipe, and a sliding groove is formed in the right side of the top end of the rotating plate.

As a further description of the above technical solution:

the equal fixedly connected with end flange in outside one end of inlet tube, outlet pipe and switching-over pipe.

As a further description of the above technical solution:

the top insides of the water inlet pipe, the water outlet pipe and the reversing pipe are all connected to the top of the valve body through reinforcing ribs.

As a further description of the above technical solution:

the top end of the valve rod is fixedly connected to the middle of the bottom end of the hand wheel.

As a further description of the above technical solution:

and the bottom end of the valve cover is fixedly connected with a sealing ring.

As a further description of the above technical solution:

the outer wall of the valve core is rotatably connected inside the valve body, and a rubber cushion is fixedly connected to the position corresponding to the valve core inside the valve body.

As a further description of the above technical solution:

the shapes of the sliding groove and the bottom end of the pressing rod are all set to be T-shaped, and the bottom of the pressing rod is connected to the inner wall of the sliding groove in a sliding mode.

As a further description of the above technical solution:

the bottom end of the screw rod penetrates through the middle part of the top end of the water inlet pipe and extends to the inside.

The utility model has the following beneficial effects:

1. according to the utility model, the valve core is driven to rotate by the hand wheel, so that the reversing function of the fluid between the water outlet pipe and the reversing pipe from the water inlet pipe inlet is realized, the positions of the pressure rod and the pressure plate can be adjusted by rotating the adjusting wheel, and the flow of the stop valve is adjusted by the sealing condition of the pressure plate on the water inlet pipe.

2. According to the utility model, the abrasion of the valve core during rotation can be reduced through the rubber cushion, meanwhile, the rubber cushion has certain sealing property, the service life of the device is prolonged, the sealing ring at the bottom end of the valve cover can prevent fluid from overflowing from the top, the sealing property of the device is further improved, and the rubber cushion is simple and easy to use.

Drawings

FIG. 1 is a schematic perspective view of a three-way shut-off valve for facilitating flow regulation according to the present invention;

FIG. 2 is a cross-sectional view of a three-way shut-off valve for facilitating flow regulation according to the present invention;

fig. 3 is a top cross-sectional view of a valve body of a three-way stop valve for conveniently adjusting flow according to the present invention.

Illustration of the drawings:

1. a valve body; 2. a water inlet pipe; 3. a water outlet pipe; 4. a reversing tube; 5. an end face flange; 6. reinforcing ribs; 7. a valve cover; 8. a connecting flange; 9. a bolt; 10. connecting blocks; 11. a valve stem; 12. a hand wheel; 13. a valve core; 14. a flow guide hole; 15. a nut; 16. a screw; 17. an adjustment wheel; 18. a pressure lever; 19. a rotating plate; 20. a chute; 21. a seal ring; 22. a rubber cushion.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, one embodiment of the present invention is provided: a three-way stop valve convenient for flow regulation comprises a valve body 1, wherein the middle part of the left end of the valve body 1 is fixedly connected with a water inlet pipe 2, fluid enters a channel, the middle part of the right end of the valve body 1 is fixedly connected with a water outlet pipe 3 and flows into an outlet channel, the middle part of the rear end of the valve body 1 is fixedly connected with a reversing pipe 4, the fluid reversing channel is fixedly connected with a valve cover 7 at the middle part of the top end of the valve body 1 and is connected with a connecting flange 8 through a bolt 9 for convenient connection, disassembly and maintenance, the middle part of the top end of the connecting flange 8 is fixedly connected with a connecting block 10 for convenient rotation of a valve rod 11, the inside of the connecting block 10 is rotatably connected with the valve rod 11, the bottom end of the valve rod 11 is fixedly connected with the middle part of the top end of a valve core 13 and is spherical, a main reversing control structure is provided with flow guide holes 14 at the left end and the right end of the valve core 13 and the middle part of the rear end for convenient fluid inlet and outlet, and the nut 15 is fixedly connected with the middle part of the top end of the water inlet pipe 2, the inside threaded connection of nut 15 has

screw rod

16, and 16 top fixed connections of screw rod are in 17 bottom middle parts of regulating wheel, and 16 up-and-down motion of screw rod is realized in the cooperation, 16 bottom fixedly connected with depression bar 18 of screw rod, and the right side of 2 top inner walls of inlet tube is rotated and is connected with

rotor plate

19, and 19 top right sides of rotor plate are provided with spout 20, can carry out angle modulation, make things convenient for the control flow by furthest to rotor plate 19.

Inlet tube 2, the equal fixedly connected with end flange 5 of outside one end of outlet pipe 3 and switching-over pipe 4, make things convenient for external water pipe, inlet tube 2, the top inboard of outlet pipe 3 and switching-over pipe 4 all is connected at 1 top of valve body through strengthening rib 6, increase the bulk strength, 11 top fixed connection of valve rod are at 12 bottom middle parts of hand wheel, one of infrastructure, 7 bottom fixed connection of valve gap sealing ring 21, increase sealed effect, 13 outer wall of case rotate to be connected inside 1 of valve body, 1 inside corresponding case 13's of valve body position fixedly connected with rubber cushion 22, reduce and rotate wearing and tearing, certain sealed effect has simultaneously, spout 20 all sets up to T shape with 18 bottom shapes of depression bar, 18 bottom sliding connection of depression bar is at 20 inner walls of spout, 16 bottoms of screw rod run through inlet tube 2 top middle parts and extend to inside.

The working principle is as follows: fluid gets into valve body 1 from inlet tube 2, flow out from outlet pipe 3 behind the valve body 1, when needs advance the switching-over, clockwise rotation hand wheel 12 ninety degrees, case 13 also follows to rotate ninety degrees, make case 13 bottom water conservancy diversion hole 14 aim at inlet tube 2, left side water conservancy diversion hole 14 aim at switching-over pipe 4, and the water conservancy diversion hole 14 on right side rotates to the bottom, make the fluid can only go out and can't go out from outlet tube 3 from switching-over pipe 4, realize the switching-over function, continue to rotate ninety degrees, make inlet tube 2 blocked, realize fluidic purpose of ending, when needs adjust the flow, rotatory regulating wheel 17, drive screw rod 16 and depression bar 18 push down rotating plate 19 and carry out semi-enclosed with inlet tube 2, realize the purpose of adjusting the flow.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a three-way stop valve convenient to adjust flow, includes valve body (1), its characterized in that: the water inlet valve is characterized in that a water inlet pipe (2) is fixedly connected to the middle of the left end of the valve body (1), a water outlet pipe (3) is fixedly connected to the middle of the right end of the valve body (1), a reversing pipe (4) is fixedly connected to the middle of the rear end of the valve body (1), a valve cover (7) is fixedly connected to the middle of the top end of the valve body (1), a connecting flange (8) is connected to the top end of the valve cover (7) through a bolt (9), a connecting block (10) is fixedly connected to the middle of the top end of the connecting flange (8), a valve rod (11) is rotatably connected to the inside of the connecting block (10), the bottom end of the valve rod (11) is fixedly connected to the middle of the top end of the valve core (13), flow guide holes (14) are formed in the middle of the left end, the right end and the rear end of the valve core (13), a nut (15) is fixedly connected to the middle of the top end of the water inlet pipe (2), and a screw (16) is connected to the inside of the nut (15) through threads, screw rod (16) top fixed connection is in regulating wheel (17) bottom middle part, screw rod (16) bottom fixedly connected with depression bar (18), the right side of inlet tube (2) top inner wall is rotated and is connected with rotor plate (19), rotor plate (19) top right side is provided with spout (20).

2. The three-way shut-off valve for facilitating the regulation of flow of claim 1, wherein: the water inlet pipe (2), the water outlet pipe (3) and one end of the outer side of the reversing pipe (4) are fixedly connected with end face flanges (5).

3. The three-way shut-off valve for facilitating the regulation of flow of claim 1, wherein: the top insides of the water inlet pipe (2), the water outlet pipe (3) and the reversing pipe (4) are connected to the top of the valve body (1) through reinforcing ribs (6).

4. The three-way shut-off valve for facilitating the regulation of flow of claim 1, wherein: the top end of the valve rod (11) is fixedly connected to the middle of the bottom end of the hand wheel (12).

5. The three-way shut-off valve for facilitating the regulation of flow of claim 1, wherein: the bottom end of the valve cover (7) is fixedly connected with a sealing ring (21).

6. The three-way shut-off valve for facilitating the regulation of flow of claim 1, wherein: the outer wall of the valve core (13) is rotatably connected inside the valve body (1), and a rubber cushion (22) is fixedly connected inside the valve body (1) corresponding to the position of the valve core (13).

7. The three-way shut-off valve for facilitating the regulation of flow of claim 1, wherein: the bottom end of the sliding groove (20) and the bottom end of the pressing rod (18) are both T-shaped, and the bottom of the pressing rod (18) is connected to the inner wall of the sliding groove (20) in a sliding mode.

8. The three-way shut-off valve for facilitating the regulation of flow of claim 1, wherein: the bottom end of the screw rod (16) penetrates through the middle part of the top end of the water inlet pipe (2) and extends to the inside.