CN219035735U

CN219035735U - Lever switch wet alarm valve

Info

Publication number: CN219035735U
Application number: CN202223312421.7U
Authority: CN
Inventors: 朱美娥
Original assignee: Jiangsu Meite Safety Technology Co ltd
Current assignee: Jiangsu Meite Safety Technology Co ltd
Priority date: 2022-12-09
Filing date: 2022-12-09
Publication date: 2023-05-16
Anticipated expiration: 2032-12-09

Abstract

The utility model relates to the technical field of fire-fighting equipment, in particular to a lever switch wet-type alarm valve, wherein a water inlet and a water outlet are respectively fixed at two ends of a valve body, a water supply side pressure gauge is fixed at one side of the water inlet, an access cover is fixed at the front end of the valve body, a system side is arranged in the valve body, an alarm water inlet pipe is fixed at one side of the system side, a system side pressure gauge is fixed at the other side of the system side, a ring seat is fixed at the bottom layer in the system side, and water seepage holes are formed in the upper surface of the outer layer of the ring seat at equal intervals. According to the utility model, the flip cover can be stably reset through the connecting rod structure under the condition that water is not required to be supplied, dislocation of the flip cover caused by collision is avoided, or the sealing gasket is damaged, the design of the double flip covers can enable water flow to reach the maximum effect at the beginning, the height of the system side is reduced, and the water flow reaches the spray head faster.

Description

Lever switch wet alarm valve

Technical Field

The utility model relates to the technical field of fire-fighting equipment, in particular to a lever switch wet alarm valve.

Background

The valve clack is installed in the inside of preceding wet-type alarm valve basically, and the valve clack is the main part of start-up alarm and pressure switch, and wet-type alarm valve is used widely because of fire fighting and time to time, because fill always in the pipeline has high-pressure water, and the sealed very important problem, because spare part is long-term to soak in water, still has more impurity in the water, and impurity is tired daily and monthly, and in addition reasons such as corrosion, after the valve body starts once, the valve clack can not fine seal, and at present all basically is the plane seal, receives impurity, incrustation influence often to take place the seepage, even take place the false alarm.

Chinese patent discloses a lever switch wet-type alarm valve (grant publication number CN 203926829U), and this patent is through using sealed awl in the valve body, can be effectual, reliably close alarm pipe mouth of a river, can prevent false alarm and infiltration's emergence, can effectually open alarm pipe mouth of a river simultaneously, start alarm bell and pressure that can be timely. But the device is easy to be blocked by the deflector rod when the flip is turned up, forms a blocking state, so that water flow can not pass through, and the single flip is difficult to turn up due to the need of larger stress, thereby being easy to delay fire.

Disclosure of Invention

The utility model aims to provide a lever switch wet alarm valve which solves the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a lever switch wet-type alarm valve, includes the valve body, the both ends of valve body are fixed with water inlet and delivery port respectively, one side of water inlet is fixed with water supply lateral pressure gauge, the front end of valve body is fixed with the access cover, the inside of valve body is provided with the system side, one side of system side is fixed with the alarm inlet tube, the opposite side of system side is fixed with the system lateral pressure gauge, the inside bottom of system side is fixed with the circle seat, the infiltration hole has been seted up to the outer upper surface equidistance of circle seat, the top of circle seat is provided with two flip, the upper surface mounting of flip has lever mechanism.

As a further aspect of the present utility model: the connecting rod mechanism comprises a second connecting rod which is rotationally connected to the upper surface of the flip cover, one side of the second connecting rod is rotationally connected with a first connecting rod, one side of the first connecting rod is rotationally connected with a fixed block, one side of the fixed block is fixed with a spring, and the spring is fixed in the system side.

As a further aspect of the present utility model: the front end equidistance of access cover is fixed with the hexagonal nail, link to each other through the hexagonal nail is fixed between valve body and the access cover.

As a further aspect of the present utility model: and sealing rings are fixed on the outer layers of the water inlet and the water outlet.

As a further aspect of the present utility model: a sealing gasket is fixed between the ring seat and the flip cover.

As a further aspect of the present utility model: the ring seat is rotationally connected with the flip through a hinge.

Compared with the prior art, the utility model has the beneficial effects that: the utility model can stably reset the flip after the flip is turned up through the connecting rod structure, so that dislocation of the flip caused by collision or damage to the sealing gasket is avoided, the design of the double flip can lead water flow to reach the maximum effect at the beginning, the height of the system side is reduced, and the water flow reaches the spray head faster.

Drawings

FIG. 1 is a schematic diagram of a lever switch wet alarm valve;

FIG. 2 is a schematic diagram of the system side interior of a lever switch wet alarm valve;

fig. 3 is a schematic diagram of the structure of a linkage mechanism in a lever switch wet alarm valve.

In the figure: 1. a valve body; 2. a water inlet pipe of the alarm; 3. a water inlet; 4. an access cover; 5. a water supply side pressure gauge; 6. a system side pressure gauge; 7. a water outlet; 8. water seepage holes; 9. a ring seat; 10. a system side; 11. a spring; 12. a fixed block; 13. a first connecting rod; 14. a second connecting rod; 15. a flip cover; 16. and (5) a hinge.

Detailed Description

Referring to fig. 1 to 3, in the embodiment of the present utility model, a lever switch wet type alarm valve comprises a valve body 1, wherein a water inlet 3 and a water outlet 7 are respectively fixed at two ends of the valve body 1, water flows in from the water inlet 3, sealing rings are fixed on outer layers of the water inlet 3 and the water outlet 7, a water supply side pressure gauge 5 is fixed on one side of the water inlet 3, an access cover 4 is fixed on the front end of the valve body 1, hexagonal nails are fixed on the front end of the access cover 4 at equal intervals, the valve body 1 and the access cover 4 are fixedly connected through the hexagonal nails, a system side 10 is arranged in the valve body 1, when a fire occurs, water stored in the system side 10 is evacuated, an alarm water inlet pipe 2 is fixed on one side of the system side 10, water flows into the alarm valve through the alarm water inlet pipe 2, a system side pressure gauge 6 is fixed on the other side of the system side 10, a ring seat 9 is fixed on the inner bottom layer of the system side 10, the upper surface of the outer layer of the ring seat 9 is equidistantly provided with water seepage holes 8, two turnover covers 15 are arranged above the ring seat 9, water flows permeate into the system side 10 through the water seepage holes 8 while flushing the turnover covers 15, the ring seat 9 is rotationally connected with the turnover covers 15 through hinges 16, a sealing gasket is fixed between the ring seat 9 and the turnover covers 15, a lever mechanism is arranged on the upper surface of the turnover covers 15, the connecting rod mechanism comprises a second connecting rod 14 rotationally connected to the upper surface of the turnover covers 15, the turnover covers 15 turn up to drive the second connecting rod 14 to move inwards, one side of the second connecting rod 14 is rotationally connected with a first connecting rod 13, the second connecting rod 14 moves inwards to drive the first connecting rod 13 to move inwards, one side of the first connecting rod 13 is rotationally connected with a fixed block 12, the first connecting rod 13 moves inwards to drive the fixed block 12 to move inwards, one side of the fixed block 12 is fixed with a spring 11, the fixed block 12 moves inwards to drive the spring 11 to stretch, when the fire is over, the water flow stops, the fixed block 12 is driven by the rebound force of the spring 11 to rebound the first connecting rod 13, the first connecting rod 13 rebounds to drive the second connecting rod 14 to rebound, the second connecting rod 14 rebounds to drive the flip 15 to cover again, and the spring 11 is fixed inside the system side 10.

The working principle of the utility model is as follows: when a fire occurs, water stored in the system side 10 is evacuated to form a pressure difference, water flows in from the water inlet 3, water flows into the flip cover 15 and permeates into the system side 10 through the water seepage hole 8, then flows into the alarm valve through the alarm water inlet pipe 2, the flip cover 15 is flipped up to drive the second connecting rod 14 to move inwards, the second connecting rod 14 moves inwards to drive the first connecting rod 13 to move inwards, the first connecting rod 13 moves inwards to drive the fixed block 12 to move inwards, the fixed block 12 moves inwards to drive the spring 11 to stretch out and draw back, water flows into the water outlet 7 through the system side 10, finally, fire is extinguished through spray nozzles, after the fire is over, the water flow stops, the fixed block 12 is driven by the resilience force of the spring 11 to drive the first connecting rod 13 to rebound, the first connecting rod 13 rebound drives the second connecting rod 14 to rebound, and the second connecting rod 14 rebound drives the flip cover 15 to be covered again.

The foregoing description is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical solution of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a lever switch wet-type alarm valve, includes valve body (1), its characterized in that, the both ends of valve body (1) are fixed with water inlet (3) and delivery port (7) respectively, one side of water inlet (3) is fixed with water supply lateral pressure table (5), the inside of valve body (1) is fixed with access cover (4), the inside of valve body (1) is provided with system side (10), one side of system side (10) is fixed with alarm inlet tube (2), the opposite side of system side (10) is fixed with system lateral pressure table (6), the inside bottom of system side (10) is fixed with circle seat (9), infiltration hole (8) have been seted up to the outer upper surface equidistance of circle seat (9), the top of circle seat (9) is provided with two flip (15), the last surface mounting of flip (15) has link mechanism.

2. A lever switch wet alarm valve according to claim 1, characterized in that the link mechanism comprises a second connecting rod (14) rotatably connected to the upper surface of the flip (15), one side of the second connecting rod (14) is rotatably connected with a first connecting rod (13), one side of the first connecting rod (13) is rotatably connected with a fixed block (12), one side of the fixed block (12) is fixed with a spring (11), and the spring (11) is fixed inside the system side (10).

3. A lever switch wet alarm valve according to claim 1, characterized in that the front end of the access cover (4) is fixed with hexagonal nails at equal intervals, and the valve body (1) is fixedly connected with the access cover (4) through the hexagonal nails.

4. The lever switch wet alarm valve according to claim 1, wherein sealing rings are fixed on the outer layers of the water inlet (3) and the water outlet (7).

5. A lever switch wet alarm valve according to claim 1, characterized in that a gasket is fixed between the ring seat (9) and the flip cover (15).

6. A lever switch wet alarm valve according to claim 1, characterized in that the collar (9) is pivotally connected to the flip cover (15) by means of a hinge (16).