CN211852823U - A valve shut-off device - Google Patents

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

A valve shut-off device

technical field

The utility model belongs to the technical field of valves, in particular to a valve shut-off device.

Background technique

A valve is a device used to control the direction, pressure, and flow of a fluid in a fluid system. It is a device that allows the medium (liquid, gas, powder) in the piping and equipment to flow or stop and control its flow. The existing valve has a short service life. After the valve is worn for a long time, once leakage occurs, there is no preventive measure, resulting in a large amount of liquid waste. Therefore, there is a need for a valve shut-off device that can solve the above problems.

Utility model content

The purpose of the utility model is to provide a valve shut-off device, which can effectively prolong the service life of the valve, and has a secondary sealing structure to prevent the outflow of a large amount of liquid after leakage.

The utility model provides the following technical solutions:

A valve cut-off device, comprising 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 is provided with a partition plate; the partition plate A through hole is arranged on the upper part; a gate matched with the through hole is arranged above the partition plate, a slip ring is arranged on the upper end side wall of the gate, and the inner side wall of the slip ring is connected with the gate The lower end of the slip ring is provided with a protrusion; the upper end of the valve body is provided with a valve cover; the upper end of the gate plate is provided with a hollow lifting rod, the lifting rod penetrates the valve cover, and the The outer side wall of the lifting rod is slidably connected with the valve cover, and the lower end of the lifting rod is connected with the gate plate; the upper end of the lifting rod is provided with a screw rod, and the inner side wall of the lifting rod is provided with the screw rod Matching threads, the side wall of the screw is slidably connected with the inner side wall of the lifting rod; the upper end of the valve cover is provided with a support cylinder, the screw penetrates the upper end of the support cylinder, and the support cylinder is connected to the upper end of the support cylinder. The screw is connected in rotation; the upper end side wall of the screw is provided with a hand wheel.

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

Preferably, the upper end surface of the partition plate is provided with a groove matching with the slip ring, and the groove bottom of the groove is connected with the protrusion at the lower end of the slip ring.

Preferably, limit rings are provided above and below the slip ring, respectively, and the inner side wall of the limit ring is in contact with the side wall of the gate.

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

Preferably, the radius of the connection between the screw and the support cylinder is smaller than the radius of the screw.

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

Preferably, the lower end of the handwheel is provided with a fixing ring, and the inner wall of the fixing ring is connected with the side wall of the screw rod.

The beneficial effects of the present utility model:

The inner wall of the valve of the utility model is provided with a partition plate, the partition plate is provided with a through hole, and the upper part of the partition plate is provided with a gate plate matching the through hole, and the gate plate can block the through hole, so that the liquid is interrupted. flow;

The upper end sidewall of the gate is provided with a slip ring, the inner sidewall of the slip ring is slidably connected with the gate, and the lower end of the slip ring is provided with a protrusion, which can prevent blockage from leaking and enhance the sealing performance of the blockage;

The upper end of the valve body is provided with a valve cover, and the upper end of the gate is provided with a hollow lifting rod. The lifting rod penetrates the valve cover. The outer side wall of the lifting rod is slidably connected with the valve cover. The gate moves up and down. Compared with the traditional gate, the gate of this device can only move up and down, which improves the service life of the valve;

The upper end of the lift rod is provided with a screw rod, the inner side wall of the lift rod is provided with a thread matching the screw rod, the side wall of the screw rod is slidably connected with the inner side wall of the lift rod, and the lift 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 runs 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 side wall of the screw rod is provided with a hand wheel, which can facilitate the rotation of the screw rod.

Description of drawings

The accompanying drawings are used to provide a further understanding of the present invention, and constitute a part of the specification, and are used to explain the present invention together with the embodiments of the present invention, and do not constitute a limitation to the present invention.

In the attached image:

Fig. 1 is the structural representation of the present utility model;

Fig. 2 is a partial enlarged view of the present utility model;

Figure 3 is a top view of the handwheel of the present invention.

Description of reference numbers:

1. Liquid inlet pipe; 2. Liquid outlet pipe; 3. Valve body; 4. Separation plate; 5. Through hole; 6. Gate plate; 7. Lifting rod; 8. Fixing strip; 9. Valve cover; 10. Screw; 11, support cylinder; 12, hand wheel; 13, groove; 14, limit ring; 15, slip ring; 16, fixed ring.

Detailed ways

As shown in Figure 1, Figure 2 and Figure 3, a valve cut-off device includes a liquid inlet pipe 1 and a liquid outlet pipe 2, and a valve body 3 is arranged between the liquid inlet pipe 1 and the liquid outlet pipe 2. The valve body 3 The two ends of the valve are connected with the end of the liquid inlet pipe 1 and the end of the liquid outlet pipe 2 through bolts; the valve body 3 is provided with a partition plate 4, and the edge of the partition plate 4 is welded with the valve body 3, and the partition plate 4. The valve body 3 is divided into an upper layer and a lower layer; the partition plate 4 is provided with a through hole 5, the liquid can pass through the through hole 5, the diameter of the lower end of the through hole 5 is smaller than the diameter of the upper end, and the side wall of the through hole 5 is affixed with a layer of rubber pads, The top of the partition plate 4 is provided with a gate 6 that matches the through hole 5. The gate 6 can move down to block the through hole 5. The through hole 5 and the rubber pad of this shape can improve the connection between the through hole 5 and the gate 6. The airtightness between the gates; the upper end side wall of the gate 6 is provided with a slip ring 15, the inner side wall of the slip ring 15 is slidably connected with the gate 6, and the lower end of the slip ring 15 is provided with a protrusion. , the protrusion at the lower end of the slip ring 15 can be in contact with the upper end face of the partition plate 4; The protrusions are connected to each other, and the groove 13 can increase the airtightness between the slip ring 15 and the partition plate 4; the upper and lower parts of the slip ring 15 are respectively provided with a limit ring 14, the inner side wall of the limit ring 14 and the gate 6 The side wall is welded, and the limit ring 14 can limit the sliding distance of the slip ring 15; the upper end of the valve body 3 is provided with a valve cover 9, which is used to seal the valve body 3; the upper end of the gate 6 is provided with a hollow lifting rod 7, The lift rod 7 penetrates the valve cover 9, the outer side wall of the lift rod 7 is slidingly connected with the valve cover 9, the lower end of the lift rod 7 is connected with the gate 6, and the lift rod 7 can drive the gate 6 to move up and down; A fixing bar 8 is provided along the vertical direction, the side wall of the fixing bar 8 is welded with the lifting rod 7, and the fixing bar 8 can prevent the lifting rod 7 from rotating; the upper end of the lifting rod 7 is provided with a screw 10, and the inner side wall of the lifting rod 7 is provided with The thread matched with the screw 10, the side wall of the screw 10 is slidably connected with the inner side wall of the lifting rod 7, and the up and down movement of the lifting rod 7 is realized by rotating the screw 10; the upper end of the valve cover 9 is provided with a support cylinder 11, and the screw 10 runs through the support At the upper end of the barrel 11, the support barrel 11 is rotatably connected with the screw 10, and the support barrel 11 is used to fix the position of the screw 10; the radius of the connection between the screw 10 and the support barrel 11 is smaller than the radius of the screw 10, and the screw 10 of this structure is more fixed. The upper end side wall of the screw 10 is provided with a hand wheel 12, the upper end side wall of the screw 10 is smooth, the side wall of the hand wheel 12 is connected with the screw 10, and the hand wheel 12 is convenient to rotate the screw 10; There are protrusions along the vertical direction where the wheels 12 meet, and the protrusions can prevent the handwheel 12 from sliding relative to the screw rod 10; the lower end of the handwheel 12 is provided with a fixing ring 16, and the inner wall of the fixing ring 16 is welded with the side wall of the screw rod 10. , the lower end of the handwheel 12 is connected to the upper end of the fixing ring 16 , and the fixing ring 16 is used to fix the position of the handwheel 12 .

The working mode of the utility model: the screw 10 is driven to rotate by the hand wheel 12, the screw 10 drives the lifting rod 7 to move down through the thread, the lower end protrusion of the slip ring 15 first contacts the groove 13, and the gate 6 continues to move down, The slip ring 15 moves relatively upward along the gate 6 until the side wall of the gate 6 is closed with the through hole 5, which can block the flow of the liquid. By turning the handwheel 12 in the opposite direction, the gate 6 can be opened to allow the liquid to circulate, and the sliding The ring 15 acts as a secondary seal.

The above are only preferred embodiments of the present invention, and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still understand the foregoing. The technical solutions described in the embodiments are modified, or some technical features thereof are equivalently replaced. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims (8)

1. A valve shut-off device, comprising a liquid inlet pipe and a liquid outlet pipe, characterized in that: a valve body is provided between the liquid inlet pipe and the liquid outlet pipe; the inner wall of the valve is provided with a partition plate ; a through hole is arranged on the partition plate; a gate matching the through hole is arranged above the partition plate; a slip ring is arranged on the upper end side wall of the gate, and the sliding ring is The inner side wall is slidably connected with the gate, the lower end of the slip ring is provided with a protrusion; the upper end of the valve body is provided with a valve cover; the upper end of the gate is provided with a hollow lifting rod, and the lifting rod penetrates through the The valve cover, the outer side wall of the lifting rod is slidingly connected with the valve cover, the lower end of the lifting rod is connected with the gate plate; the upper end of the lifting rod is provided with a screw, and the inner side wall of the lifting rod A thread matching the screw is provided, and the side wall of the screw is slidably connected with the inner side wall of the lifting rod; the upper end of the valve cover is provided with a support cylinder, and the screw penetrates the upper end of the support cylinder, The support cylinder is rotatably connected with the screw rod; the upper end side wall of the screw rod is provided with a hand wheel. 2 . The valve cut-off device according to claim 1 , wherein the diameter of the lower end of the through hole is smaller than the diameter of the upper end. 3 . 3. A valve cut-off device according to claim 1, characterized in that: the upper end surface of the partition plate is provided with a groove matching with the slip ring, and the groove bottom of the groove is in line with the groove bottom. The protrusions at the lower end of the slip ring are connected to each other. 4 . The valve circuit breaker according to claim 3 , wherein a limit ring is provided above and below the slip ring, and the inner side wall of the limit ring and the side wall of the gate plate are respectively provided. 5 . connected. 5 . The valve cut-off device according to claim 1 , wherein the outer side wall of the lifting rod is provided with a fixing strip along the vertical direction. 6 . 6 . The valve shut-off device according to claim 1 , wherein the radius of the joint of the screw rod and the support cylinder is smaller than the radius of the screw rod. 7 . 7 . The valve cut-off device according to claim 1 , wherein the upper end side wall of the screw rod and the hand wheel are connected with a protrusion along the vertical direction. 8 . 8 . The valve cut-off device according to claim 7 , wherein a fixing ring is provided at the lower end of the handwheel, and the inner wall of the fixing ring is connected with the side wall of the screw rod. 9 .

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