CN211852823U

CN211852823U - Valve cutoff device

Info

Publication number: CN211852823U
Application number: CN201922212023.XU
Authority: CN
Inventors: 沈奇
Original assignee: Nanjing Yingbo Medical Biotechnology Innovation Research Institute Co ltd
Current assignee: Nanjing Yingbo Medical Biotechnology Innovation Research Institute Co ltd
Priority date: 2019-12-11
Filing date: 2019-12-11
Publication date: 2020-11-03
Anticipated expiration: 2029-12-11

Abstract

The utility model provides a valve cutout device, concretely relates to valve technical field. The utility model comprises a liquid inlet pipe and a liquid outlet pipe, a valve body is arranged between the liquid inlet pipe and the liquid outlet pipe; the inner wall of the valve body is provided with a partition plate, and the partition plate is provided with a through hole; a flashboard matched with the through hole is arranged above the partition board, a sliding ring is arranged on the side wall of the upper end of the flashboard, and a bulge is arranged at the lower end of the sliding ring; the upper end of the valve body is provided with a valve cover; the upper end of flashboard is equipped with hollow lifter, and the lifter runs through the valve gap, and the upper end of lifter is equipped with the screw rod, and the inside wall of lifter is equipped with the screw thread with screw rod assorted, and the upper end of valve gap is equipped with a support section of thick bamboo, and the screw rod runs through the upper end of a support section of thick bamboo, and the upper end lateral wall of screw rod is equipped with the hand wheel. The utility model provides a valve cutout device, life that can effectual extension valve has secondary seal structure, prevents to reveal the outflow of a large amount of liquid in back.

Description

Valve cutoff device

Technical Field

The utility model belongs to the technical field of the valve, concretely relates to valve cutout device.

Background

A valve is a device for controlling the direction, pressure, and flow rate of a fluid in a fluid system, and is a device capable of controlling the flow rate of a medium (liquid, gas, or powder) in a pipe or equipment by flowing or stopping the medium. The service life of the existing valve is short, and once the valve is worn for a long time, leakage occurs, no precaution measure is provided, so that a large amount of liquid is wasted. There is therefore a need for a valve shut off device that addresses the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a valve cutout device can effectual extension valve's life, has secondary seal structure, prevents to reveal the outflow of a large amount of liquid in back.

The utility model provides a following technical scheme:

a valve cutoff device comprises a liquid inlet pipe and a liquid outlet pipe, wherein a valve body is arranged between the liquid inlet pipe and the liquid outlet pipe; the inner wall of the valve body is provided with a partition plate; the partition plate is provided with a through hole; a flashboard matched with the through hole is arranged above the partition board, a sliding ring is arranged on the side wall of the upper end of the flashboard, the inner side wall of the sliding ring is connected with the flashboard in a sliding manner, and a bulge is arranged at the lower end of the sliding ring; the upper end of the valve body is provided with a valve cover; the upper end of the flashboard is provided with a hollow lifting rod, the lifting rod penetrates through the valve cover, the outer side wall of the lifting rod is connected with the valve cover in a sliding manner, and the lower end of the lifting rod is connected with the flashboard; a screw rod is arranged at the upper end of the lifting rod, threads matched with the screw rod are arranged on the inner side wall of the lifting rod, and the side wall of the screw rod is connected with the inner side wall of the lifting rod in a sliding mode; the upper end of the valve cover is provided with a supporting cylinder, the screw rod penetrates through the upper end of the supporting cylinder, and the supporting cylinder is rotatably connected with the screw rod; and a hand wheel is arranged on the side wall of the upper end of the screw rod.

Preferably, the diameter of the lower end of the through hole is smaller than that of the upper end.

Preferably, the upper end face of the partition plate is provided with a groove matched with the sliding ring, and the groove bottom of the groove is connected with the bulge at the lower end of the sliding ring.

Preferably, the upper part and the lower part of the slip ring are respectively provided with a limiting ring, and the inner side wall of the limiting ring is connected with the side wall of the flashboard.

Preferably, the outer side wall of the lifting rod is provided with a fixing strip along the vertical direction.

Preferably, the radius of the joint of the screw and the support cylinder is smaller than that of the screw.

Preferably, a protrusion is arranged at the joint of the side wall of the upper end of the screw rod and the hand wheel along the vertical direction.

Preferably, the lower extreme of hand wheel is equipped with solid fixed ring, gu fixed ring's inner wall with the screw rod lateral wall meets.

The utility model discloses a profitable effect:

the inner wall of the valve body of the utility model is provided with a partition board, the partition board is provided with a through hole, a flashboard matched with the through hole is arranged above the partition board, and the flashboard can block the through hole to cut off liquid;

the side wall of the upper end of the flashboard is provided with a sliding ring, the inner side wall of the sliding ring is connected with the flashboard in a sliding manner, and the lower end of the sliding ring is provided with a bulge;

the upper end of the valve body is provided with a valve cover, the upper end of the flashboard is provided with a hollow lifting rod, the lifting rod penetrates through the valve cover, the outer side wall of the lifting rod is connected with the valve cover in a sliding mode, the lower end of the lifting rod is connected with the flashboard, and the lifting rod can drive the flashboard to move up and down;

the upper end of the lifting rod is provided with a screw rod, the inner side wall of the lifting rod is provided with threads matched with the screw rod, the side wall of the screw rod is connected with the inner side wall of the lifting rod in a sliding manner, and the lifting rod moves up and down through the screw rod;

the upper end of the valve cover is provided with a support cylinder, the screw rod penetrates through the upper end of the support cylinder, the support cylinder is rotatably connected with the screw rod, and the support cylinder can fix the screw rod;

the upper end lateral wall of screw rod is equipped with the hand wheel, and the hand wheel can make things convenient for the screw rod to rotate.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a partial enlarged view of the present invention;

fig. 3 is a top view of the hand wheel of the present invention.

Description of reference numerals:

1. a liquid inlet pipe; 2. a liquid outlet pipe; 3. a valve body; 4. a partition plate; 5. a through hole; 6. a shutter plate; 7. a lifting rod; 8. a fixing strip; 9. a valve cover; 10. a screw; 11. a support cylinder; 12. a hand wheel; 13. a groove; 14. A limiting ring; 15. a slip ring; 16. and (4) fixing the ring.

Detailed Description

As shown in fig. 1, 2 and 3, a valve cutoff device comprises a liquid inlet pipe 1 and a liquid outlet pipe 2, wherein a valve body 3 is arranged between the liquid inlet pipe 1 and the liquid outlet pipe 2, and two ends of the valve body 3 are connected with the end part of the liquid inlet pipe 1 and the end part of the liquid outlet pipe 2 through bolts; a partition plate 4 is arranged in the valve body 3, the edge of the partition plate 4 is welded with the valve body 3, and the partition plate 4 divides the valve body 3 into an upper layer and a lower layer; the partition plate 4 is provided with a through hole 5, liquid can pass through the through hole 5, the diameter of the lower end of the through hole 5 is smaller than that of the upper end of the through hole, a layer of rubber pad is pasted on the side wall of the through hole 5, a flashboard 6 matched with the through hole 5 is arranged above the partition plate 4, the flashboard 6 can move downwards to block the through hole 5, and the through hole 5 and the rubber pad in the shape can improve the sealing performance between the through hole 5 and the flashboard; the side wall of the upper end of the flashboard 6 is provided with a sliding ring 15, the inner side wall of the sliding ring 15 is connected with the flashboard 6 in a sliding manner, the lower end of the sliding ring 15 is provided with a bulge, and the bulge of the lower end of the sliding ring 15 can be contacted with the upper end surface of the partition board 4 in the downward moving process of the flashboard 6; the upper end face of the partition plate 4 is provided with a groove 13 matched with the sliding ring 15, the bottom of the groove 13 is connected with a bulge at the lower end of the sliding ring 15, and the groove 13 can improve the sealing property between the sliding ring 15 and the partition plate 4; limiting rings 14 are respectively arranged above and below the sliding ring 15, the inner side walls of the limiting rings 14 are welded with the side walls of the flashboards 6, and the limiting rings 14 can limit the sliding distance of the sliding ring 15; the upper end of the valve body 3 is provided with a valve cover 9, and the valve cover 9 is used for sealing the valve body 3; the upper end of the flashboard 6 is provided with a hollow lifting rod 7, the lifting rod 7 penetrates through a valve cover 9, the outer side wall of the lifting rod 7 is connected with the valve cover 9 in a sliding manner, the lower end of the lifting rod 7 is connected with the flashboard 6, and the lifting rod 7 can drive the flashboard 6 to move up and down; the outer side wall of the lifting rod 7 is provided with a fixing strip 8 along the vertical direction, the side wall of the fixing strip 8 is welded with the lifting rod 7, and the fixing strip 8 can prevent the lifting rod 7 from rotating; the upper end of the lifting rod 7 is provided with a screw rod 10, the inner side wall of the lifting rod 7 is provided with threads matched with the screw rod 10, the side wall of the screw rod 10 is connected with the inner side wall of the lifting rod 7 in a sliding manner, and the lifting rod 7 moves up and down by rotating the screw rod 10; the upper end of the valve cover 9 is provided with a supporting cylinder 11, the screw 10 penetrates through the upper end of the supporting cylinder 11, the supporting cylinder 11 is rotatably connected with the screw 10, and the supporting cylinder 11 is used for fixing the position of the screw 10; the radius of the joint of the screw 10 and the support cylinder 11 is smaller than that of the screw 10, so that the screw 10 of the structure is more stable to fix; the side wall of the upper end of the screw rod 10 is provided with a hand wheel 12, the side wall of the upper end of the screw rod 10 is smooth, the side wall of the hand wheel 12 is connected with the screw rod 10, and the hand wheel 12 is convenient for rotating the screw rod 10; a bulge is arranged at the joint of the side wall of the upper end of the screw rod 10 and the hand wheel 12 along the vertical direction, and the bulge can prevent the hand wheel 12 and the screw rod 10 from sliding relatively; the lower end of the hand wheel 12 is provided with a fixing ring 16, the inner wall of the fixing ring 16 is welded with the side wall of the screw rod 10, the lower end of the hand wheel 12 is connected with the upper end of the fixing ring 16, and the fixing ring 16 is used for fixing the position of the hand wheel 12.

The utility model discloses a working method: the hand wheel 12 drives the screw rod 10 to rotate, the screw rod 10 drives the lifting rod 7 to move downwards through threads, the lower end of the sliding ring 15 is protruded to be firstly contacted with the groove 13, the flashboard 6 continues to move downwards, the sliding ring 15 relatively moves upwards along the flashboard 6 until the side wall of the flashboard 6 is closed with the through hole 5, liquid can be blocked from flowing, the hand wheel 12 is rotated reversely, the flashboard 6 can be opened to enable liquid to circulate, and the sliding ring 15 has the effect of secondary sealing.

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 described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a valve cutout device, includes feed liquor pipe and drain pipe, its characterized in that: a valve body is arranged between the liquid inlet pipe and the liquid outlet pipe; the inner wall of the valve body is provided with a partition plate; the partition plate is provided with a through hole; a flashboard matched with the through hole is arranged above the partition board; the side wall of the upper end of the flashboard is provided with a sliding ring, the inner side wall of the sliding ring is connected with the flashboard in a sliding manner, and the lower end of the sliding ring is provided with a bulge; the upper end of the valve body is provided with a valve cover; the upper end of the flashboard is provided with a hollow lifting rod, the lifting rod penetrates through the valve cover, the outer side wall of the lifting rod is connected with the valve cover in a sliding manner, and the lower end of the lifting rod is connected with the flashboard; a screw rod is arranged at the upper end of the lifting rod, threads matched with the screw rod are arranged on the inner side wall of the lifting rod, and the side wall of the screw rod is connected with the inner side wall of the lifting rod in a sliding mode; the upper end of the valve cover is provided with a supporting cylinder, the screw rod penetrates through the upper end of the supporting cylinder, and the supporting cylinder is rotatably connected with the screw rod; and a hand wheel is arranged on the side wall of the upper end of the screw rod.

2. A valve shut-off device as defined in claim 1, wherein: the diameter of the lower end of the through hole is smaller than that of the upper end of the through hole.

3. A valve shut-off device as defined in claim 1, wherein: the upper end face of the partition plate is provided with a groove matched with the sliding ring, and the bottom of the groove is connected with the bulge at the lower end of the sliding ring.

4. A valve shut off device as defined in claim 3, wherein: and limiting rings are respectively arranged above and below the sliding ring, and the inner side wall of each limiting ring is connected with the side wall of the corresponding flashboard.

5. A valve shut-off device as defined in claim 1, wherein: the outer side wall of the lifting rod is provided with a fixing strip along the vertical direction.

6. A valve shut-off device as defined in claim 1, wherein: the radius of the joint of the screw and the support cylinder is smaller than that of the screw.

7. A valve shut-off device as defined in claim 1, wherein: the side wall of the upper end of the screw rod is provided with a bulge along the vertical direction at the joint of the hand wheel and the side wall.

8. A valve shut off device as defined in claim 7, wherein: the lower extreme of hand wheel is equipped with solid fixed ring, gu fixed ring's inner wall with the screw rod lateral wall meets.