CN220185864U

CN220185864U - Throttle stop valve

Info

Publication number: CN220185864U
Application number: CN202321394465.0U
Authority: CN
Inventors: 闫荣健
Original assignee: Tianjin Jinkaiyuan Valve Manufacturing Co ltd
Current assignee: Tianjin Jinkaiyuan Valve Manufacturing Co ltd
Priority date: 2023-06-02
Filing date: 2023-06-02
Publication date: 2023-12-15
Anticipated expiration: 2033-06-02

Abstract

The utility model provides a throttle stop valve, which relates to the technical field of stop valves and comprises a valve body, a valve plate, a valve rod and an upper fixing frame, wherein a lower connecting seat is arranged in the middle of the inner bottom of the valve body, a valve is arranged in the lower connecting seat, the valve plate is movably arranged in the valve, the upper end of the valve plate is provided with the valve rod, the middle of the upper part of the valve body is provided with the upper valve seat, the left part of the valve body is provided with a left diversion sleeve, the left end of the valve body is provided with an inlet, the right part of the valve body is provided with a right diversion sleeve, the right end of the valve body is provided with an outlet, and the left diversion sleeve and the right diversion sleeve are both wide in outer part and narrow in inner part. The utility model is convenient for guiding the flow of the medium at the position of the flow valve port, the valve is closed tightly and reliably, the arranged outer through hole and inner through hole can be replaced according to the use requirement, the medium with larger flow can open the outer through hole, the medium with smaller flow can open the inner through hole, and the flexible throttling operation is convenient.

Description

Throttle stop valve

Technical Field

The utility model relates to the technical field of stop valves, in particular to a throttle stop valve.

Background

The stop valve has the function of flow regulation or pressure regulation, and the diameter of the stop valve is smaller, so that the stop valve is preferably selected on a pipeline or a device of a high-temperature and high-pressure medium under the condition of low precision requirement, thereby being convenient for cutting off the water flow. In the specification of a comparison document CN215891604U, a throttle stop valve is mentioned that a first stable hoop and a second stable hoop are sleeved on two sides of the outside of the pipeline, a stabilizing block is fixedly connected above the inner side walls of the first stable hoop and the second stable hoop, and the stabilizing block is inserted into a matched groove arranged on the outer wall of the valve body; the trapezoid blocks are fixedly connected below the inner side walls of the first stable hoop and the second stable hoop, slots are formed in two sides of the pipeline, the trapezoid blocks are inserted into the matched slots, but the valve plate and the valve of the throttle stop valve in the comparison document are not tightly closed, leakage flow is easy to occur, medium waste is easy to occur, and unstable throttling is achieved.

Disclosure of Invention

In order to overcome the defects existing in the prior art, a throttle stop valve is provided at present, so that the problems that the valve plate and the valve of the throttle stop valve in a comparison document are not tightly closed, leakage flow is easy to occur, medium is easy to waste, and the throttle is unstable to use are solved.

In order to achieve the above purpose, the throttle stop valve comprises a valve body, a valve plate, a valve rod and an upper fixing frame, wherein a lower connecting seat is arranged in the middle of the inner bottom of the valve body, the valve is arranged in the lower connecting seat, the valve plate is movably arranged in the valve, the valve rod is arranged at the upper end of the valve plate, an upper valve seat is arranged in the middle of the upper part of the valve body, and the upper fixing frame is fixed at the upper end of the upper valve seat.

Further, the left part is provided with left water conservancy diversion cover in the valve body, and the left end of valve body is provided with the import, and the right part is provided with right water conservancy diversion cover in the valve body, and the right-hand member of valve body is provided with the export to left water conservancy diversion cover and right water conservancy diversion cover all outside wide in narrow setting, and left water conservancy diversion cover and right water conservancy diversion cover are bilateral symmetry about the central line of valve body simultaneously, and the valve is located between left water conservancy diversion cover and the right water conservancy diversion cover.

Further, the movable cavity is arranged in the valve, the outer through hole is arranged in the center of the movable cavity, the top and the bottom of the outer through hole are both provided with the leakage-proof lining layer, the leakage-proof lining layer is made of silica gel, the lower end of the valve plate is propped against the leakage-proof lining layer at the lower side, and the upper end of the valve plate is positioned in the middle of the leakage-proof lining layer at the upper side.

Further, the center of valve plate has been seted up interior through-hole, and interior through-hole internalization is provided with the baffle, and miniature telescopic cylinder is installed to the bottom of valve plate, and miniature telescopic cylinder's upper end is fixed at the middle part of baffle to the inner groovy has been seted up on the upper portion of valve plate, and the medial surface of inner groovy is provided with anticorrosive inlayer, and baffle lift activity is between inner groovy and interior through-hole, and the upper end of valve plate is provided with down the connecting block, and the lower end of valve rod rotates to be connected in the connecting block down.

Further, a connecting thread is arranged on the rod body of the valve rod, a middle sealing sleeve and an upper sealing sleeve are sleeved outside the lower portion of the valve rod, and a rotary table is arranged at the upper end of the valve rod.

Further, the middle part of the upper fixing frame is provided with a connecting sleeve, the upper end of the valve rod extends out of the upper fixing frame, and the upper rod body of the valve rod is movably connected in the connecting sleeve.

The utility model has the beneficial effects that:

1. the left flow guiding sleeve and the right flow guiding sleeve arranged at the left part and the right part in the valve body play a role in guiding the medium conveyed into the valve body, the left flow guiding sleeve is used for regulating the flow of the medium to be small, and the right flow guiding sleeve is used for regulating the flow of the medium to be large, so that the water flow is reduced when the medium passes through the valve port of the valve, and the waste of the medium is reduced when the valve is opened and closed.

2. The valve plate is lifted and moved in the movable cavity, and the outer through hole can be blocked when the valve plate is lifted and moved into the movable cavity, so that the valve can be closed, and the valve can be opened after the valve plate is lifted and moved away from the movable cavity.

3. When the water flow is required to be regulated down, the inner through hole in the valve plate is arranged, and the baffle plate is lifted up to enter the inner groove by the upward extension of the miniature telescopic cylinder, so that the throttling use is facilitated.

4. According to the utility model, the valve rod can be driven to move downwards in the connecting sleeve by rotating the valve rod clockwise, and the valve rod can be driven to move upwards in the connecting sleeve by rotating the valve rod anticlockwise, so that the valve plate can be flexibly lifted and moved, and the operation is convenient and trouble-saving.

Drawings

FIG. 1 is a schematic front view of an embodiment of the present utility model;

FIG. 2 is a schematic diagram of an internal structure of an embodiment of the present utility model;

FIG. 3 is a schematic cross-sectional view of an embodiment of the present utility model;

fig. 4 is a schematic view of the internal structure of a valve plate according to an embodiment of the present utility model.

In the figure: 1. a valve body; 10. a left guide sleeve; 11. a right diversion sleeve; 12. an inlet; 13. an outlet; 14. a lower connecting seat; 15. a valve; 16. a leakage-proof liner; 17. a movable cavity; 18. an outer through hole; 19. an upper valve seat; 2. a valve plate; 20. a miniature telescopic cylinder; 21. an inner through hole; 22. a baffle; 23. an inner groove; 24. an anti-corrosion inner layer; 25. a lower connecting block; 3. a valve stem; 30. a middle sealing sleeve; 31. an upper sealing sleeve; 32. a turntable; 4. an upper fixing frame; 40. and (5) connecting the sleeve.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved more clearly apparent, the present utility model is further described in detail below with reference to the accompanying drawings and embodiments. The specific embodiments described herein are offered by way of illustration only and not as limitations of the utility model, and specific details such as particular system architectures, techniques, etc. may be set forth in order to provide a more thorough understanding of the embodiments of the utility model. The described embodiments are some, but not all, embodiments of the present disclosure. It will be apparent, however, to one skilled in the art that the present utility model may be practiced in other embodiments that depart from these specific details. Based on the embodiments in this disclosure, all other embodiments that a person skilled in the art would obtain without making any inventive effort are within the scope of protection of this disclosure.

Specific embodiments of the present utility model are described in detail below with reference to the accompanying drawings.

Fig. 1 is a schematic front view of an embodiment of the present utility model, fig. 2 is a schematic internal structure of an embodiment of the present utility model, fig. 3 is a schematic cross-sectional view of an embodiment of the present utility model, and fig. 4 is a schematic internal structure of a valve plate of an embodiment of the present utility model.

Referring to fig. 1 to 4, the present utility model provides a throttle stop valve, comprising a valve body 1, a valve plate 2, a valve rod 3 and an upper fixing frame 4, wherein a lower connecting seat 14 is arranged in the middle of the inner bottom of the valve body 1, a valve 15 is arranged in the lower connecting seat 14, the valve plate 2 is movably arranged in the valve 15, the valve rod 3 is arranged at the upper end of the valve plate 2, an upper valve seat 19 is arranged in the middle of the upper part of the valve body 1, and the upper fixing frame 4 is fixed at the upper end of the upper valve seat 19.

In this embodiment, a left flow guiding sleeve 10 is disposed at the left part in the valve body 1, an inlet 12 is disposed at the left end of the valve body 1, a right flow guiding sleeve 11 is disposed at the right part in the valve body 1, an outlet 13 is disposed at the right end of the valve body 1, the left flow guiding sleeve 10 and the right flow guiding sleeve 11 are both disposed in a wide and narrow manner, meanwhile, the left flow guiding sleeve 10 and the right flow guiding sleeve 11 are bilaterally symmetrical with respect to the center line of the valve body 1, and a valve 15 is disposed between the left flow guiding sleeve 10 and the right flow guiding sleeve 11.

As a preferred embodiment, the left diversion sleeve 10 and the right diversion sleeve 11 arranged at the left and right parts in the valve body 1 play a role in diversion of the medium conveyed into the valve body 1, the left diversion sleeve 10 is used for regulating the flow of the medium, and the right diversion sleeve 11 is used for regulating the flow of the medium, so that the water flow is reduced when the medium passes through the valve port of the valve, and the waste of the medium is reduced when the valve is opened and closed.

In this embodiment, the movable cavity 17 is provided in the valve 15, the outer through hole 18 is provided in the center of the movable cavity 17, the top and the bottom of the outer through hole 18 are both provided with the anti-leakage lining layer 16, the anti-leakage lining layer 16 is made of silica gel, the lower end of the valve plate 2 is propped against the anti-leakage lining layer 16 at the lower side, and the upper end of the valve plate 2 is located in the middle of the anti-leakage lining layer 16 at the upper side.

As a preferred embodiment, the valve plate 2 of the present utility model is lifted in the movable cavity 17, and can block the outer through hole 18 when being lowered into the movable cavity 17, so as to close the valve, and after the valve plate 2 is lifted out of the movable cavity 17, the valve is opened.

In this embodiment, the center of the valve plate 2 is provided with an inner through hole 21, a baffle 22 is movably arranged in the inner through hole 21, a miniature telescopic cylinder 20 is installed at the bottom of the valve plate 2, the upper end of the miniature telescopic cylinder 20 is fixed at the middle part of the baffle 22, an inner groove 23 is formed in the upper part of the valve plate 2, an anti-corrosion inner layer 24 is arranged on the inner side surface of the inner groove 23, the baffle 22 is lifted and moved between the inner groove 23 and the inner through hole 21, a lower connecting block 25 is arranged at the upper end of the valve plate 2, and the lower end head of the valve rod 3 is rotationally connected in the lower connecting block 25.

In a preferred embodiment, the inner through hole 21 in the valve plate 2 is arranged to extend upwards to jack the baffle 22 into the inner groove 23 through the micro telescopic cylinder 20 when the water flow is required to be regulated in use, so that the throttle use is facilitated.

In the embodiment, a rod body of the valve rod 3 is provided with connecting threads, a lower part of the valve rod 3 is sleeved with a middle sealing sleeve 30 and an upper sealing sleeve 31, and the upper end of the valve rod 3 is provided with a turntable 32; the middle part of the upper fixing frame 4 is provided with a connecting sleeve 40, the upper end of the valve rod 3 extends out of the upper fixing frame 4, and the upper rod body of the valve rod 3 is movably connected in the connecting sleeve 40.

As a preferred embodiment, the valve rod 3 is driven to move downwards in the connecting sleeve 40 by rotating the valve rod 3 clockwise, and the valve rod 3 is driven to move upwards in the connecting sleeve 40 by rotating the valve rod 3 anticlockwise, so that the valve plate 2 can be flexibly lifted and moved, and the operation is convenient and trouble-saving.

The utility model can effectively solve the problems that the valve plate and the valve of the throttle stop valve in the comparison document are not tightly closed, leakage flow is easy to occur, medium is easy to waste, and unstable throttling is used.

The above-described embodiments are intended to illustrate the present utility model, not to limit it, and any modifications and variations made to the present utility model within the spirit of the utility model and the scope of the claims should be included in the scope of the present utility model.

Claims

1. The utility model provides a throttle stop valve, includes valve body (1), valve plate (2), valve rod (3) and upper bracket (4), its characterized in that: the valve is characterized in that a lower connecting seat (14) is arranged in the middle of the inner bottom of the valve body (1), a valve (15) is arranged in the lower connecting seat (14), a valve plate (2) is movably arranged in the valve (15), a valve rod (3) is arranged at the upper end of the valve plate (2), an upper valve seat (19) is arranged in the middle of the upper part of the valve body (1), and an upper fixing frame (4) is fixed at the upper end of the upper valve seat (19).

2. A throttle stop valve according to claim 1, characterized in that the left part in the valve body (1) is provided with a left flow guiding sleeve (10), the left end of the valve body (1) is provided with an inlet (12), the right part in the valve body (1) is provided with a right flow guiding sleeve (11), the right end of the valve body (1) is provided with an outlet (13), and the left flow guiding sleeve (10) and the right flow guiding sleeve (11) are both arranged in a wide and narrow way, and simultaneously the left flow guiding sleeve (10) and the right flow guiding sleeve (11) are bilaterally symmetrical with respect to the central line of the valve body (1), and the valve (15) is positioned between the left flow guiding sleeve (10) and the right flow guiding sleeve (11).

3. The throttle stop valve according to claim 1, characterized in that a movable cavity (17) is formed in the valve (15), an outer through hole (18) is formed in the center of the movable cavity (17), leakage-proof lining layers (16) are arranged at the top and the bottom of the outer through hole (18), the leakage-proof lining layers (16) are made of silica gel, the lower end of the valve plate (2) is abutted to the leakage-proof lining layers (16) at the lower side, and the upper end of the valve plate (2) is located in the middle of the leakage-proof lining layers (16) at the upper side.

4. The throttle stop valve according to claim 1, characterized in that an inner through hole (21) is formed in the center of the valve plate (2), a baffle plate (22) is movably arranged in the inner through hole (21), a miniature telescopic cylinder (20) is mounted at the bottom of the valve plate (2), the upper end of the miniature telescopic cylinder (20) is fixed at the middle part of the baffle plate (22), an inner groove (23) is formed in the upper part of the valve plate (2), an anti-corrosion inner layer (24) is arranged on the inner side surface of the inner groove (23), the baffle plate (22) moves between the inner groove (23) and the inner through hole (21) in a lifting mode, a lower connecting block (25) is arranged at the upper end of the valve plate (2), and the lower end of the valve rod (3) is rotationally connected in the lower connecting block (25).

5. A throttle shut-off valve according to claim 1, characterized in that the stem body of the valve stem (3) is provided with connecting threads, that the lower part of the valve stem (3) is externally sheathed with a middle gland (30) and an upper gland (31), and that the upper end of the valve stem (3) is provided with a turntable (32).

6. A throttle stop valve according to claim 1, characterized in that the middle part of the upper fixing frame (4) is provided with a connecting sleeve (40), the upper end of the valve rod (3) extends out of the upper fixing frame (4), and the upper rod body of the valve rod (3) is movably connected in the connecting sleeve (40).