Gas release valve for fire fighting

Abstract

The utility model relates to the technical field of fire-fighting equipment, and discloses a fire-fighting gas release valve which comprises a valve body, a partition plate is fixedly connected in the valve body, a vent hole is formed in the partition plate, a tension spring is fixedly connected to the bottom wall of an inner cavity of the valve body, and the tension spring is fixedly connected to the bottom wall of the inner cavity of the valve body. The top of the tension spring is fixedly connected with a first sealing plate matched with the vent hole, the top of the first sealing plate is fixedly connected with a connecting rod, the outer side of the connecting rod is slidably connected with the interior of the valve body, the top of the valve body is fixedly connected with a limiting shell, and the outer side of the connecting rod is slidably connected with the interior of the limiting shell. And the outer side of the connecting rod is fixedly connected with a second sealing plate. The gas release valve for fire fighting has the advantages of being convenient to start and the like, and the problem that when a common gas release valve is used, due to the fact that a transmission mechanism is complex, the gas release valve needs to be opened with large force, and people with weak strength cannot open the valve rapidly and conveniently is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to fire fighting equipment technical field, concretely is a gas release valve for fire fighting. BACKGROUND

[0002] The gas release valve for fire fighting is usually used in the gas fire extinguishing system, mainly responsible for controlling the release of fire extinguishing gas, to ensure that the fire can be quickly and effectively extinguished when it occurs, and the gas release valve for fire fighting plays a crucial role in the gas fire extinguishing system, ensuring that the fire can be quickly and effectively extinguished when it occurs, protecting personnel and property safety.

[0003] The transmission mechanism of the ordinary gas release valve is usually complex, and the ordinary gas release valve needs to be opened with great force when used because of the complex transmission mechanism, which makes it difficult for people with weak strength to quickly open the valve, so a gas release valve for fire fighting is proposed to solve the above problems. UTILITY MODEL CONTENT

[0004] (I) Technical problem solved

[0005] In view of the deficiencies of the prior art, the utility model provides a gas release valve for fire fighting, which has the advantages of easy starting, solves the problem that the ordinary gas release valve needs to be opened with great force when used because of the complex transmission mechanism, and makes it difficult for people with weak strength to quickly open the valve.

[0006] (II) Technical scheme

[0007] The technical scheme for solving the above technical problems is as follows: a gas release valve for fire fighting, comprising a valve body, a partition plate fixedly connected inside the valve body, an air hole formed in the inside of the partition plate, a tension spring fixedly connected to the bottom wall of the inner cavity of the valve body, a first sealing plate fixedly connected to the top of the tension spring and matched with the air hole, a connecting rod fixedly connected to the top of the first sealing plate, the outer side of the connecting rod being slidably connected with the inside of the valve body, a limiting shell fixedly connected to the top of the valve body, the outer side of the connecting rod being slidably connected with the inside of the limiting shell, a second sealing plate fixedly connected to the outer side of the connecting rod, a first sealing ring fixedly connected to the top of the second sealing plate, the outer side of the second sealing plate being slidably connected with the inside of the limiting shell, and a bolt inserted into the inside of the connecting rod, the bolt being located above the limiting shell.

[0008] The utility model discloses beneficial effect is: the bolt is positioned to connecting rod through the limit shell, and when the bolt is pulled out from the inside of connecting rod, the connecting rod loses the limiting effect, and the pull spring drives the first sealing plate and connecting rod to drop and open the air hole, and the connecting rod drives the second sealing plate to drop, and the second sealing plate seals the top of valve body and prevents the effect of the valve body from being affected by releasing gas.

[0009] The gas release valve for fire fighting has the advantages of convenient starting.

[0010] On the basis of the above technical scheme, the utility model still can make the following improvement.

[0011] Further, the bottom of the second sealing plate is fixedly connected with a second sealing ring, and the top of the first sealing plate is fixedly connected with a third sealing ring.

[0012] The beneficial effect of the above further scheme is that the second sealing ring can increase the sealing effect between the second sealing plate and the valve body.

[0013] Further, the first sealing ring is made of polyurethane material, the second sealing ring is made of polyurethane material, and the third sealing ring is made of polyurethane material.

[0014] The beneficial effect of the above further scheme is that the first sealing ring made of polyurethane material can increase the service life of the first sealing ring.

[0015] Further, the top of the connecting rod is fixedly connected with a handle, and the handle is located above the valve body.

[0016] The beneficial effect of the above further scheme is that the handle is convenient for pulling the connecting rod.

[0017] Further, the top of the limit shell is fixedly connected with a limiting block, and the inside of the limiting block is provided with a rubber ring matched with the bolt.

[0018] The beneficial effect of the above further scheme is that the limiting block can position the rubber ring through the limit shell.

[0019] Further, the right side of the bolt is provided with a pull ring, and the outside of the valve body is fixedly connected with two flanges which are symmetrically distributed.

[0020] The beneficial effect of the above further scheme is that the pull ring is convenient for pulling out the bolt. DRAWINGS

[0021] Figure 1 It is the structure schematic drawing of the utility model;

[0022] Figure 2The utility model discloses a limit shell and valve body connection structure front view;

[0023] Figure 3 The utility model discloses a structure A place enlarged view;

[0024] Figure 4 The utility model discloses a structure B place enlarged view.

[0025] In the drawing: 1, valve body, 2, baffle, 3, air hole, 4, tension spring, 5, first sealing plate, 6, connecting rod, 7, limit shell, 8, second sealing plate, 9, first sealing ring, 10, bolt, 11, second sealing ring, 12, third sealing ring, 13, handle, 14, limit block, 15, rubber ring, 16, pull ring, 17, flange. Specific implementation

[0026] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model and not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the range protected by the utility model.

[0027] In the embodiments, by Figures 1-4 It is given that a fire-fighting gas release valve, the utility model discloses a valve body 1, the inside fixed connection of valve body 1 has baffle 2, and the inside of baffle 2 is provided with air hole 3, and the inner chamber bottom wall of valve body 1 is fixedly connected with tension spring 4, and the top of tension spring 4 is fixedly connected with the first sealing plate 5 matched with air hole 3, and the top of first sealing plate 5 is fixedly connected with connecting rod 6, and the outside of connecting rod 6 is slidably connected with the inside of valve body 1, and the top of valve body 1 is fixedly connected with limit shell 7, and the outside of connecting rod 6 is slidably connected with the inside of limit shell 7, and the outside of connecting rod 6 is fixedly connected with second sealing plate 8, and the top of second sealing plate 8 is fixedly connected with first sealing ring 9, and the outside of second sealing plate 8 is slidably connected with the inside of limit shell 7, and the inside of connecting rod 6 is inserted with bolt 10, and bolt 10 is located above limit shell 7;

[0028] The bottom of second sealing plate 8 is fixedly connected with second sealing ring 11, and the top of first sealing plate 5 is fixedly connected with third sealing ring 12.

[0029] Second sealing ring 11 can increase the sealing effect between second sealing plate 8 and valve body 1, and third sealing ring 12 can increase the sealing effect between second sealing plate 8 and limit shell 7.

[0030] The first sealing ring 9 is made of polyurethane, the second sealing ring 11 is made of polyurethane, and the third sealing ring 12 is made of polyurethane;

[0031] The first sealing ring 9 made of polyurethane can increase the service life of the first sealing ring 9, and the third sealing ring 12 made of polyurethane can increase the service life of the third sealing ring 12;

[0032] The top of the connecting rod 6 is fixedly connected with a handle 13, and the handle 13 is located above the valve body 1;

[0033] The handle 13 is convenient for pulling the connecting rod 6;

[0034] The top of the limiting shell 7 is fixedly connected with a limiting block 14, and the limiting block 14 is internally provided with a rubber ring 15 matched with the bolt 10;

[0035] The limiting block 14 can limit the rubber ring 15 through the limiting shell 7, and the rubber ring 15 can provide a certain fixing effect for the bolt 10 through the limiting block 14 to prevent the bolt 10 from loosening;

[0036] The right side of the bolt 10 is provided with a pull ring 16, and the outer side of the valve body 1 is fixedly connected with two flanges 17 which are symmetrically distributed left and right;

[0037] The pull ring 16 is convenient for pulling out the bolt 10, and the two flanges 17 are convenient for connecting the external fire-fighting pipeline.

[0038] Working principle:

[0039] Step 1: when the valve body 1 needs to be opened, hold the pull ring 16 to pull out the bolt 10 from the inside of the rubber ring 15 and the inside of the connecting rod 6, the tension spring 4 drives the first sealing plate 5 to descend to open the air hole 3 to make the valve body 1 open, and the connecting rod 6 drives the second sealing plate 8 to descend to provide a closing effect on the top of the valve body 1 when the connecting rod 6 descends.

[0040] It should be noted that, in the present text, relational terms such as first and second and the like can only be used to distinguish one entity or operation from another entity or operation, without necessarily requiring or implying any such actual relationship or order between these entities or operations. Moreover, the terms "comprising", "including" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such a process, method, article or equipment. Without more limitations, the element defined by the statement "including a" does not exclude the presence of additional identical elements in the process, method, article or equipment including the said element.

[0041] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. A gas release valve for fire protection purposes, comprising a valve body (1), characterized in that: The inside of the valve body (1) is fixedly connected with a partition (2), the inside of the partition (2) is provided with a ventilation hole (3), the inner cavity bottom wall of the valve body (1) is fixedly connected with a tension spring (4), the top of the tension spring (4) is fixedly connected with a first sealing plate (5) matched with the ventilation hole (3), the top of the first sealing plate (5) is fixedly connected with a connecting rod (6), the outer side of the connecting rod (6) is slidably connected with the inside of the valve body (1), the top of the valve body (1) is fixedly connected with a limiting shell (7), the outer side of the connecting rod (6) is slidably connected with the inside of the limiting shell (7), the outer side of the connecting rod (6) is fixedly connected with a second sealing plate (8), the top of the second sealing plate (8) is fixedly connected with a first sealing ring (9), the outer side of the second sealing plate (8) is slidably connected with the inside of the limiting shell (7), the inside of the connecting rod (6) is inserted with a bolt (10), and the bolt (10) is located above the limiting shell (7).

2. A gas release valve for fire protection according to claim 1, characterized in that: The bottom of the second sealing plate (8) is fixedly connected with a second sealing ring (11), and the top of the first sealing plate (5) is fixedly connected with a third sealing ring (12).

3. A gas release valve for fire protection according to claim 2, characterized in that: The first sealing ring (9) is made of polyurethane material, the second sealing ring (11) is made of polyurethane material, and the third sealing ring (12) is made of polyurethane material.

4. A gas release valve for fire protection according to claim 1, characterized in that: The top of the connecting rod (6) is fixedly connected with a handle (13), and the handle (13) is located above the valve body (1).

5. A gas release valve for fire protection according to claim 1, characterized in that: The top of the limiting shell (7) is fixedly connected with a limiting block (14), and the inside of the limiting block (14) is provided with a rubber ring (15) matched with the bolt (10).

6. A gas release valve for fire protection according to claim 1, characterized in that: The right side of the bolt (10) is provided with a pull ring (16), and the outer side of the valve body (1) is fixedly connected with two flanges (17) which are symmetrically distributed left and right.

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