Safety release valve device of gas storage tank

Abstract

The utility model relates to the technical field of valves, in particular to a gas storage tank safety release valve device which comprises a gas storage tank, an adjusting mechanism is arranged above the gas storage tank and comprises a knob, the bottom of the knob is fixedly connected with a threaded rod through a bolt, and the threaded rod is in threaded connection with the top of a valve body. The bottom of the threaded rod is fixedly connected with a moving frame through a bolt, the top of the moving frame is fixedly connected with a sliding rod through a bolt, the top of the sliding rod penetrates through the top of the valve body and is fixedly connected with a limiting disc through a bolt, and a plurality of scale grooves are formed in the circumferential outer wall of the sliding rod and are evenly arranged at equal intervals. Springs are fixedly connected to the top of the inner wall of the shell. According to the safety release valve device of the gas storage tank, by arranging the adjusting mechanism, the device can adjust the preset pressure.

Description

Technical Field

[0001] This utility model relates to the field of valve technology, specifically to a safety relief valve device for gas storage tanks. Background Technology

[0002] A gas storage tank is a container used to store gas. Unlike liquids, gases have pressure relative to air, which places higher demands on storage tanks. In actual use, gas storage tanks need to be equipped with a safety relief valve, also known as a pressure relief valve, which can automatically release pressure when the internal gas pressure of the tank is too high.

[0003] An electric pressure relief valve with publication number CN209084091U includes a main valve, a connecting component, and a pneumatic control valve. The main valve consists of a valve body and a valve cover. The valve cover is installed on the top of the valve body. The pneumatic control valve is fixedly connected to the top right side of the valve cover via the connecting component. The pneumatic control valve consists of a control valve body, a valve plate, a valve stem, a cylinder, and an exhaust hood. The pneumatic control valve designed in this utility model is easy to install and maintain, and its overall mechanism is more durable than traditional pressure relief valves.

[0004] While this device is easy to install and maintain, it cannot adjust the preset pressure. Therefore, we propose a safety relief valve device for gas storage tanks. Utility Model Content

[0005] The purpose of this invention is to provide a safety relief valve device for gas storage tanks to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] A safety relief valve device for a gas storage tank includes a gas storage tank. An adjustment mechanism is located above the gas storage tank. The adjustment mechanism includes a knob, with a threaded rod bolted to the bottom of the knob. The threaded rod is threaded to the top of a valve body. A movable frame is bolted to the bottom of the threaded rod, and a sliding rod is bolted to the top of the movable frame. The top of the sliding rod passes through the top of the valve body and is bolted to a limit plate. Several graduated grooves are evenly spaced on the outer circumference of the sliding rod. A housing is bolted to the bottom of the movable frame, and a spring is bolted to the top of the inner wall of the housing.

[0008] Preferably, a gas guide pipe is fixedly connected to the top of the gas storage tank by bolts, the bottom end of the gas guide pipe passes through the top of the gas storage tank and enters the inner cavity of the gas storage tank, and a gas guide valve is installed on the gas guide pipe.

[0009] Preferably, a valve body is bolted to the top of the gas storage tank, and an inlet pipe is bolted to the bottom of the inner wall of the valve body.

[0010] Preferably, the bottom of the air inlet pipe passes through the top of the gas storage tank and enters the inner cavity of the gas storage tank, and the right side surface of the inner wall of the valve body is fixedly connected to the air outlet pipe by bolts, with the right end of the air outlet pipe passing through the right end of the valve body.

[0011] Preferably, a sealing plug is fixedly connected to the bottom of the valve body by bolts, and an mounting plate is fixedly attached to the top of the sealing plug by adhesive.

[0012] Preferably, a sealing ring is fixed to the top of the mounting plate by adhesive, and the outer wall surface of the sealing ring is in close contact with the inner wall surface of the valve body.

[0013] Preferably, a movable rod is fixedly connected to the top of the mounting plate by bolts, the top of the movable rod is in contact with the bottom end of the spring, and the movable rod is slidably connected to the inner wall of the housing.

[0014] Compared with the prior art, the beneficial effects of this utility model are:

[0015] 1. The safety relief valve device for the gas storage tank is equipped with an adjustment mechanism that allows the device to adjust the preset pressure;

[0016] 2. The safety relief valve device for the gas storage tank improves the sealing performance of the device by setting a sealing ring. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0018] Figure 2 This is a cross-sectional structural diagram of the present invention;

[0019] Figure 3 This is a cross-sectional view of the valve body in this utility model;

[0020] Figure 4 This is a schematic diagram of the sealing plug in this utility model;

[0021] Figure 5 This is a schematic diagram of the adjustment mechanism in this utility model;

[0022] The meanings of the various titles in the image are as follows:

[0023] 1. Gas storage tank; 11. Gas delivery pipe; 12. Gas delivery valve; 13. Valve body; 14. Inlet pipe; 15. Outlet pipe; 16. Sealing plug; 17. Mounting plate; 18. Sealing ring; 19. Moving rod;

[0024] 2. Adjustment mechanism; 21. Knob; 22. Threaded rod; 23. Moving frame; 24. Slide rod; 25. Limiting plate; 26. Scale groove; 27. Housing; 28. Spring. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] Please see Figures 1-5 This utility model provides a technical solution:

[0027] The gas storage tank safety relief valve device includes a gas storage tank 1. A gas guide pipe 11 is fixedly connected to the top of the gas storage tank 1 by bolts. It is used to introduce gas into the gas storage tank 1 or to discharge gas from the gas storage tank 1. The bottom end of the gas guide pipe 11 passes through the top of the gas storage tank 1 and enters the inner cavity of the gas storage tank 1. A gas guide valve 12 is installed on the gas guide pipe 11.

[0028] Furthermore, a valve body 13 is fixedly connected to the top of the gas storage tank 1 by bolts, and an air inlet pipe 14 is fixedly connected to the bottom of the inner wall of the valve body 13 by bolts. The bottom of the air inlet pipe 14 passes through the top of the gas storage tank 1 and enters the inner cavity of the gas storage tank 1, so as to introduce the gas in the gas storage tank 1 into the valve body 13.

[0029] Specifically, an air outlet pipe 15 is fixedly connected to the right side surface of the inner wall of the valve body 13 by bolts. The right end of the air outlet pipe 15 passes through the right end of the valve body 13 and is used to exhaust the air inside the valve body 13.

[0030] Specifically, a sealing plug 16 is fixedly connected to the bottom of the valve body 13 by bolts to seal the top of the air intake pipe 14, and an mounting plate 17 is fixed to the top of the sealing plug 16 by adhesive.

[0031] Specifically, a sealing ring 18 is glued to the top of the mounting plate 17. The outer side surface of the sealing ring 18 is tightly fitted to the inner side surface of the valve body 13 to prevent air from passing through the gap between the side of the mounting plate 17 and the valve body 13.

[0032] As a preferred embodiment, the gas storage tank 1 is provided with an adjustment mechanism 2. The adjustment mechanism 2 includes a knob 21, which is used to drive the threaded rod 22 to rotate. The bottom of the knob 21 is fixedly connected to the threaded rod 22 by bolts. The threaded rod 22 is threadedly connected to the top of the valve body 13, which is used to drive the moving frame 23 to move.

[0033] Specifically, the bottom of the threaded rod 22 is fixedly connected to a movable frame 23 by bolts. The left and right ends of the movable frame 23 are respectively attached to the left and right sides of the inner wall of the valve body 13 to drive the outer shell 27 to move. The top of the movable frame 23 is fixedly connected to a slide rod 24 by bolts. The top of the slide rod 24 passes through the top of the valve body 13 and is fixedly connected to a limit plate 25 by bolts.

[0034] Specifically, the outer circumference of the slide bar 24 is provided with several scale grooves 26, which are arranged evenly and at equal intervals, so that the user can know the height of the outer shell 27, thereby knowing the degree of compression of the spring 28, and thus knowing the preset pressure of the device.

[0035] Specifically, the bottom of the movable frame 23 is fixedly connected to the outer shell 27 by bolts, which is used to cooperate with the movable rod 19 to compress the spring 28. The spring 28 is fixedly connected to the top of the inner wall of the outer shell 27.

[0036] It should be added that a movable rod 19 is fixedly connected to the top of the mounting plate 17 by bolts. The top of the movable rod 19 is in contact with the bottom of the spring 28, and the movable rod 19 is slidably connected to the inner wall of the housing 27 to compress the spring 28.

[0037] In actual use, the user first turns the knob 21, which drives the threaded rod 22 to rotate, which in turn drives the moving frame 23 to move downward, which in turn drives the outer casing 27 to move downward, thereby compressing the spring 28;

[0038] During this process, the moving frame 23 drives the slide bar 24 to move downwards. Observe the scale groove 26 which is on the same horizontal plane as the top of the valve body 13. When the horizontal plane of the specified scale groove 26 is on the same horizontal plane as the top of the valve body 13, stop rotating the knob 21 and the spring 28 is compressed to the specified length.

[0039] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely preferred examples and are not intended to limit the utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A safety relief valve device for a gas storage tank, comprising a gas storage tank (1), characterized in that: The gas storage tank (1) is provided with an adjustment mechanism (2) above it. The adjustment mechanism (2) includes a knob (21). The bottom of the knob (21) is fixedly connected to a threaded rod (22) by bolts. The threaded rod (22) is threadedly connected to the top of the valve body (13). The bottom of the threaded rod (22) is fixedly connected to a movable frame (23) by bolts. The top of the movable frame (23) is fixedly connected to a slide rod (24) by bolts. The top of the slide rod (24) passes through the top of the valve body (13) and is fixedly connected to a limit plate (25) by bolts. Several scale grooves (26) are opened on the outer circumference of the slide rod (24). The scale grooves (26) are arranged evenly and at equal intervals. The bottom of the movable frame (23) is fixedly connected to a shell (27) by bolts. The top of the inner wall of the shell (27) is fixedly connected to a spring (28).

2. The safety relief valve device for a gas storage tank according to claim 1, characterized in that: The top of the gas storage tank (1) is fixedly connected to a gas guide pipe (11) by bolts. The bottom end of the gas guide pipe (11) passes through the top of the gas storage tank (1) and enters the inner cavity of the gas storage tank (1). A gas guide valve (12) is installed on the gas guide pipe (11).

3. The safety relief valve device for a gas storage tank according to claim 2, characterized in that: The top of the gas storage tank (1) is fixedly connected to a valve body (13) by bolts, and the bottom of the inner wall of the valve body (13) is fixedly connected to an air inlet pipe (14) by bolts.

4. The safety relief valve device for a gas storage tank according to claim 3, characterized in that: The bottom of the air inlet pipe (14) passes through the top of the gas storage tank (1) and enters the inner cavity of the gas storage tank (1). The right side surface of the inner wall of the valve body (13) is fixedly connected to the air outlet pipe (15) by bolts. The right end of the air outlet pipe (15) passes through the right end of the valve body (13).

5. The safety relief valve device for a gas storage tank according to claim 4, characterized in that: The bottom of the valve body (13) is fixedly connected to a sealing plug (16) by bolts, and the top of the sealing plug (16) is fixedly attached to an mounting plate (17) by adhesive.

6. The safety relief valve device for a gas storage tank according to claim 5, characterized in that: The top of the mounting plate (17) is fixed with a sealing ring (18) by adhesive, and the outer wall surface of the sealing ring (18) is tightly attached to the inner wall surface of the valve body (13).

7. The safety relief valve device for a gas storage tank according to claim 6, characterized in that: The top of the mounting plate (17) is fixedly connected to a movable rod (19) by bolts. The top of the movable rod (19) is in contact with the bottom of the spring (28), and the movable rod (19) is slidably connected to the inner wall of the outer shell (27).

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