CN110671509A - A new type of fire gate valve - Google Patents

Abstract

The present invention relates to a novel fire gate valve, which comprises a valve body, a valve cover is arranged on the top of the valve body, a support column is arranged on the top of the valve cover, a screw rod is arranged in the inner cavity of the support column, and a handle is installed on the top of the screw rod. The bottom of the support column is provided with a sealing washer, the bottom end of the screw is provided with a gate, the top of the gate is provided with a sealing block matching the sealing washer, the bottom of the valve body is provided with a connecting pipe, the connection A through hole is arranged between the pipe and the valve body, and the gate is arranged in the through hole, a sealing ring is arranged in the through hole, a sealing groove is arranged on the inner wall of the connecting pipe, and a sealing groove is arranged in the sealing groove There is a pressure sensor between the gasket and the sealing groove, and the pressure sensor is fixed at the bottom of the sealing groove, the two sides of the sealing groove are symmetrically provided with filter screens, and one side of the valve body is provided with a fixing box, The structure is simple, the design is reasonable, the sealing performance of the gate valve can be increased, and monitoring can be performed at the same time to avoid wasting water resources.

Description

A new type of fire gate valve

technical field

The invention relates to a novel fire gate valve, which belongs to the technical field of valves.

Background technique

The opening and closing part of the fire gate valve is the gate. The movement direction of the gate is perpendicular to the direction of the fluid. The gate valve can only be fully opened and fully closed, and cannot be adjusted or throttled. The gate has two sealing surfaces, the most commonly used is that the two sealing surfaces of the gate form a wedge shape, and the wedge angle varies with the valve parameters. The gate of the wedge gate valve can be made into a whole, called a rigid gate; it can also be made into a gate that can produce a small amount of deformation to improve its craftsmanship and make up for the deviation of the sealing surface angle during processing. The plate is called an elastic gate.

The types of fire gate valves can be divided into wedge gate type gate valve and parallel gate gate valve according to the configuration of sealing surface. Wedge gate gate valve can be divided into single gate type, double gate type and elastic gate type, parallel gate type gate valve. It can be divided into single gate type and double gate type. According to the thread position of the valve stem, it can be divided into two types: open stem gate valve and dark stem gate valve.

At present, the existing fire gate valve has poor sealing performance, so that the gate valve cannot be completely sealed after closing, which is easy to cause waste of water resources, is inconvenient for people to use, reduces the practicability of the fire gate valve, and cannot filter impurities in the water. It affects the sealing performance of the gate valve and also affects the service life of the gate valve.

SUMMARY OF THE INVENTION

The technical problem to be solved by the present invention overcomes the existing defects, and provides a new type of fire gate valve. By setting the pressure sensor, the pressure of the gate on the connecting pipe can be monitored when the gate is sealed, so as to improve the tightness of the connecting pipe. Monitoring; by setting the pressure display, the pressure of the gate can be observed on the outside, so as to facilitate the judgment of the sealing performance of the gate valve; by setting the filter screen, the water can be filtered to avoid the impact of impurities in the water on the sealing of the gate , which can effectively solve the problems in the background technology.

In order to solve the above-mentioned technical problems, the present invention provides the following technical solutions:

A novel fire gate valve comprises a valve body, a valve cover is arranged on the top of the valve body, a support column is arranged on the top of the valve cover, a screw is arranged in the inner cavity of the support column, and a handwheel is installed on the top of the screw, so The bottom of the support column is provided with a sealing washer, the bottom end of the screw is provided with a gate, the top of the gate is provided with a sealing block matching the sealing washer, the bottom of the valve body is provided with a connecting pipe, and the connecting pipe is connected to the valve. A through hole is arranged between the bodies, and the gate is arranged in the through hole, a sealing ring is arranged in the through hole, a sealing groove is arranged on the inner wall of the connecting pipe, and a sealing gasket is arranged in the sealing groove, so A pressure sensor is arranged between the sealing gasket and the sealing groove, and the pressure sensor is fixed at the bottom of the sealing groove, a filter screen is symmetrically arranged on both sides of the sealing groove, a fixing box is arranged on one side of the valve body, and the fixing A pressure indicator is arranged on the front side of the box, and a battery is arranged below the pressure indicator.

Further, the inner cavity of the support column is provided with a thread matching the screw, and the screw is movably connected with the gate.

Further, the shutter is a wedge-shaped structure, and the width of the top of the shutter is smaller than the width of the sealing ring.

Further, the outer side of the sealing gasket and the sealing groove are in a sealed connection, and the edge of the gate and the sealing groove are both arc-shaped structures that match.

Further, the filter screen is arranged in a position close to both ends of the connecting pipe, and the filter screen and the connecting pipe are connected by snaps.

Further, the bottom of the connecting pipe is provided with a line pipe, and the pressure sensor and the pressure display are connected by a signal line.

Beneficial effects of the present invention:

1. By setting the pressure sensor, when the gate is sealed, the pressure of the gate to the connecting pipe can be monitored, so as to monitor the tightness of the connecting pipe;

2. By setting the pressure indicator, the pressure of the gate can be observed on the outside, so as to facilitate the judgment of the sealing performance of the gate valve;

3. By setting the filter screen, the water can be filtered to avoid the impact of impurities in the water on the sealing of the gate.

Description of drawings

The accompanying drawings are used to provide a further understanding of the present invention, and constitute a part of the specification to explain the present invention, but not to limit the present invention.

Fig. 1 is a sectional view of a novel fire gate valve of the present invention;

Fig. 2 is a front view of a novel fire gate valve of the present invention;

3 is a sectional view of a novel fire gate valve sealing groove of the present invention;

4 is a schematic diagram of the internal structure of a novel fire gate valve fixing box of the present invention.

Symbols in the figure: 1, valve body; 2, valve cover; 3, support column; 4, screw rod; 5, hand wheel; 6, sealing gasket; 7, gate plate; 8, sealing block; 9, connecting pipe; 10, Through hole; 11, sealing ring; 12, sealing groove; 13, gasket; 14, pressure sensor; 15, filter screen; 16, fixing box; 17, pressure indicator; 18, battery.

Detailed ways

The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, but not to limit the present invention.

Example 1:

As shown in Figure 1-4, a new type of fire gate valve includes a valve body 1, the top of the valve body 1 is provided with a valve cover 2, the top of the valve cover 2 is provided with a support column 3, the inner cavity of the support column 3 is provided with a screw 4, and the screw 4. A hand wheel 5 is installed on the top, a sealing washer 6 is arranged at the bottom of the support column 3, a gate 7 is arranged at the bottom end of the screw 4, and a sealing block 8 matching the sealing washer 6 is arranged on the top of the gate 7, and the bottom of the valve body 1 is provided with The connecting pipe 9 is provided with a through hole 10 between the connecting pipe 9 and the valve body 1, and the gate 7 is arranged in the through hole 10, the through hole 10 is provided with a sealing ring 11, and the inner wall of the connecting pipe 9 is provided with a sealing groove 12, A sealing gasket 13 is arranged in the sealing groove 12, and a pressure sensor 14 is arranged between the sealing gasket 13 and the sealing groove 12. When the gate 7 is sealed, the pressure of the gate 7 on the connecting pipe 9 can be monitored, so that the connecting pipe 9 can be monitored. The tightness of the valve is monitored, and the pressure sensor 14 is fixed at the bottom of the sealing groove 12, and the two sides of the sealing groove 12 are symmetrically provided with filter screens 15, which can filter the water and prevent impurities in the water from affecting the sealing of the gate 7. The valve body 1. A fixing box 16 is arranged on one side, and a pressure indicator 17 is arranged on the front side of the fixing box 16, so that the pressure of the gate 7 can be observed from the outside, so as to facilitate the judgment of the tightness of the gate valve, and a battery 18 is arranged under the pressure indicator 17. .

The inner cavity of the support column 3 is provided with a thread matching the screw 4, and the screw 4 is movably connected with the gate 7, the gate 7 is a wedge-shaped structure, the width of the top of the gate 7 is smaller than the width of the sealing ring 11, There is a sealed connection with the sealing groove 12. The edge of the gate 7 and the sealing groove 12 are matched arc structures. They are connected by snaps, the bottom of the connecting pipe 9 is provided with a line pipe, and the pressure sensor 14 and the pressure display 17 are connected by a signal line.

Embodiment 2:

Based on the first embodiment, the top of the fixing box 16 is provided with a photovoltaic panel, which can charge the battery 18 and ensure the power supply to the pressure sensor 14 and the pressure display 17 .

The present invention is improved as follows: a pressure sensor 14 is arranged in the sealing groove 12 to monitor the pressure of the gate 7, so as to monitor the tightness of the gate valve, and at the same time, the water is filtered through the connecting pipe 9 or the filter screen 15 to avoid water. The impurities will affect the sealing performance of the gate valve, and it can also avoid damage to the gate 7 and affect the use of the gate 7 .

The above are preferred embodiments of the present invention. Those skilled in the art can also make changes and modifications to the above-mentioned embodiments. Therefore, the present invention is not limited to the above-mentioned specific embodiments. Any obvious improvement, substitution or modification made on the basis of the invention belongs to the protection scope of the present invention.

Claims (6)

1. The utility model provides a novel fire control gate valve, includes valve body (1), its characterized in that: the valve comprises a valve body (1), a valve cover (2) is arranged at the top of the valve body (1), a support column (3) is arranged at the top of the valve cover (2), a screw rod (4) is arranged in an inner cavity of the support column (3), a hand wheel (5) is installed at the top of the screw rod (4), a sealing washer (6) is arranged at the bottom of the support column (3), a flashboard (7) is arranged at the bottom end of the screw rod (4), a sealing block (8) matched with the sealing washer (6) is arranged at the top of the flashboard (7), a connecting pipe (9) is arranged at the bottom of the valve body (1), a through hole (10) is formed between the connecting pipe (9) and the valve body (1), the flashboard (7) is arranged in the through hole (10), a sealing ring (11) is arranged in the through hole (10), a sealing groove (12) is formed in, and pressure sensor (14) are fixed in seal groove (12) bottom, seal groove (12) bilateral symmetry is equipped with filter screen (15), valve body (1) one side is equipped with fixed box (16), fixed box (16) front side is equipped with pressure display (17), pressure display (17) below is equipped with battery (18).

2. The novel fire gate valve of claim 1, wherein: the inner cavity of the support column (3) is provided with threads matched with the screw rod (4), and the screw rod (4) is movably connected with the flashboard (7).

3. The novel fire gate valve of claim 1, wherein: the gate plate (7) is of a wedge-shaped structure, and the width of the top of the gate plate (7) is smaller than that of the sealing ring (11).

4. The novel fire gate valve of claim 1, wherein: be sealing connection between sealed pad (13) outside and seal groove (12), the edge of flashboard (7) and seal groove (12) are the arc structure of matching.

5. The novel fire gate valve of claim 1, wherein: the filter screen (15) is arranged at the position close to the two ends in the connecting pipe (9), and the filter screen (15) is connected with the connecting pipe (9) through a buckle.

6. The novel fire gate valve of claim 1, wherein: the bottom of the connecting pipe (9) is provided with a line pipe, and the pressure sensor (14) is connected with the pressure display (17) through a signal line.

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