Air storage tank convenient to drain water

Abstract

The utility model relates to the technical field of fluid storage and treatment, in particular to an air storage tank convenient for drainage, which comprises a drainage piece, a supporting column, a first door body, three fixing rings and a second door body, the first door body is sleeved on the outer side of the supporting column, the fixing rings are all sleeved on the outer side of the supporting column, and the second door body is arranged on the surface of the fixing rings; and the movable assembly is arranged at the top of the supporting column and comprises a movable part, the movable part comprises a fixed column, a limiting column, a floating block, a connecting rod, an extrusion ball and a floating block, and the limiting column is inserted into the inner wall of the fixed column. The utility model has the beneficial effects that when the gas storage tank is filled with water, the water can be automatically discharged without extra manual drainage, so that the water level condition in the gas storage tank can be monitored in real time, the retention time of accumulated water in the gas storage tank is shortened, the problems of corrosion, blockage and the like caused by the accumulated water to equipment can be effectively avoided, the normal operation of the equipment is ensured, and the working efficiency is improved. And the production continuity is maintained.

Description

TECHNICAL FIELD

[0001] The utility model relates to fluid storage and processing technical field, especially air storage tank convenient for drainage. BACKGROUND

[0002] Air storage tank is a kind of equipment for storing and regulating compressed air, to ensure the normal operation of air compressor and compressed air system, usually equipped with cooling system to reduce the temperature of compressed air, in the cooling process, the temperature of compressed air drops rapidly, and the water vapor therein can quickly condense into water, if cooling effect is too strong or cooling speed is too fast, more water vapor condenses, increase the water in the storage tank, when the storage tank is full of water, personnel need to arrange manually to drain water in time, avoid water damage to equipment, manual drainage depends on the patrol and operation arrangement of personnel, may not be able to find the condition that the storage tank is full of water in time, cause water to exist for a long time, damage to equipment. SUMMARY

[0003] This section is intended to summarize some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract of the specification and the utility model name to avoid obscuring the purpose of this section, the abstract of the specification and the utility model name. Such simplifications or omissions cannot be used to limit the scope of the utility model.

[0004] In view of the above and / or existing problems in air storage tank convenient for drainage, the utility model is proposed.

[0005] Therefore, the problem to be solved by the utility model is that artificial cannot find that the storage tank is full of water in time, cause water to exist for a long time, damage to equipment.

[0006] To solve the above technical problems, the utility model provides the following technical scheme: a kind of air storage tank convenient for drainage, it includes drainage component, including drainage piece, including support column, first door body, fixed ring and second door body, the first door body is sleeved on the outer side of the support column, the fixed ring is three, and is all sleeved on the outer side of the support column, and the second door body is arranged on the surface of the fixed ring;

[0007] Movable assembly is arranged at the top of the support column, including movable piece, including fixed column, limiting column, floating block, connecting rod, extrusion ball and float block, the limiting column is inserted in the inner wall of the fixed column, the floating block is arranged on the inner wall of the fixed column and slides, the connecting rod is arranged on the top of the floating block, the extrusion ball is arranged on the bottom of the connecting rod, and the float block is arranged on the inner wall of the fixed column and slides.

[0008] As an preferred scheme of the air storage tank convenient for drainage, the first door body is sleeved with a drain pipe outside, the supporting column is sleeved with a first placing ring outside, and the fixed ring is provided with a second placing ring on the top.

[0009] As an preferred scheme of the air storage tank convenient for drainage, the first placing ring is provided with a first sliding strip on the bottom, and the second placing ring is provided with a second sliding strip on the top.

[0010] As an preferred scheme of the air storage tank convenient for drainage, the first placing ring is sleeved with a sliding plate outside, two sliding grooves are formed in the inner wall of the sliding plate, the first sliding strip is moved in the inner wall of the sliding groove, and the second sliding strip is moved in the inner wall of the sliding groove.

[0011] As an preferred scheme of the air storage tank convenient for drainage, the sliding plate is sleeved with a fixed block outside, the sliding plate is slid in the inner wall of the fixed block, two first springs are arranged on one end of the sliding plate, the other end of the first spring is fixed to the inner wall of the fixed block, an extrusion block is arranged on one end of the sliding plate, and an extrusion ball is arranged on one end of the extrusion block.

[0012] As an preferred scheme of the air storage tank convenient for drainage, the floating block is provided with a second spring on the top, the other end of the second spring is fixed to the inner wall of the fixed column, a sliding column is arranged on one end of the limiting column, a fixed groove is formed in the inner wall of the sliding column, and the fixed groove is slid in the inner wall of the fixed column.

[0013] As an preferred scheme of the air storage tank convenient for drainage, one end of the sliding column is provided with a moving rod, and the moving rod is sleeved with a supporting frame outside.

[0014] As an preferred scheme of the air storage tank convenient for drainage, one end of the moving rod is provided with a handle, a third spring is sleeved outside the handle, one end of the third spring is arranged on one end of the moving rod, and the other end of the third spring is fixed to the inner wall of the supporting frame.

[0015] As an preferred scheme of the air storage tank convenient for drainage, the supporting frame is provided with a supporting strip on the bottom, the other end of the supporting strip is fixed to one end of the fixed column, a supporting sleeve is sleeved outside the connecting rod, and the other end of the supporting sleeve is fixed to one end of the fixed column.

[0016] As a preferred scheme of the air storage tank convenient for drainage, the air storage tank further comprises a main body assembly, the main body assembly comprises an air storage tank body, supporting legs and a pressure gauge, the supporting legs are arranged at the bottom of the air storage tank body, the pressure gauge is arranged on the surface of the air storage tank body, the other end of the drainage pipe is arranged at one end of the air storage tank body, and the other end of the fixed column is arranged at one end of the air storage tank body.

[0017] The air storage tank has the beneficial effects that when the air storage tank is filled with water, the water can be automatically drained, manual additional drainage is not needed, the water level in the air storage tank can be monitored in real time, the residence time of the accumulated water in the air storage tank is shortened, corrosion and blockage of equipment caused by the accumulated water can be effectively avoided, normal operation of the equipment is ensured, and continuity of production is maintained. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the drawings needed in the embodiment description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor. Among them:

[0019] Figure 1 The overall structure diagram of the air storage tank convenient for drainage.

[0020] Figure 2 The drainage pipe structure diagram of the air storage tank convenient for drainage.

[0021] Figure 3 The first door body structure diagram of the air storage tank convenient for drainage.

[0022] Figure 4 The extrusion block structure diagram of the air storage tank convenient for drainage.

[0023] Figure 5 The sliding bar structure diagram of the air storage tank convenient for drainage.

[0024] Figure 6 The floating block structure diagram of the air storage tank convenient for drainage.

[0025] Figure 7 The handle structure diagram of the air storage tank convenient for drainage DETAILED DESCRIPTION

[0026] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the specific embodiments of the present application will be described in detail below with reference to the drawings of the specification.

[0027] In the following description, a lot of specific details are set forth in order to provide a thorough understanding of the present application, however, the present application can be practiced in other ways different from those described herein, and those skilled in the art can make similar generalizations without departing from the spirit of the present application, therefore, the present application is not limited to the specific embodiments disclosed below.

[0028] Secondly, the "one embodiment" or "embodiment" referred to herein means that the specific features, structures or characteristics can be included in at least one implementation of the present application. "In one embodiment" appearing in different places in the specification does not mean the same embodiment, nor is it an embodiment that is independent of or mutually exclusive of other embodiments.

[0029] Embodiment 1

[0030] Reference Figures 1-7 For the first embodiment of the present application, the embodiment provides an air tank with convenient drainage, which comprises a main body assembly 100, a drainage assembly 200 and a movable assembly 300, which can automatically drain water when the air tank is full of water.

[0031] Specifically, the drainage assembly 200 comprises a drainage part 201, which comprises a support column 201a, a first door body 201b, a fixed ring 201c and a second door body 201d, the first door body 201b is sleeved outside the support column 201a, the fixed ring 201c is three in number and is sleeved outside the support column 201a, and the second door body 201d is arranged on the surface of the fixed ring 201c.

[0032] The support column 201a is inserted into the inner wall of the drainage pipe 202a and rotates, the fixed ring 201c is movably connected with the support column 201a, and the support column 201a is used for supporting the fixed ring 201c.

[0033] By extruding the extrusion block 202i, the sliding plate 202f can be moved, the sliding plate 202f drives the sliding groove 202f-1 to extrude and move the first sliding bar 202d and the second sliding bar 202e, the first sliding bar 202d drives the first placing ring 202b to rotate, the second sliding bar 202e drives the second placing ring 202c to rotate, the first placing ring 202b rotates to drive the support column 201a to rotate, the support column 201a rotates to drive the first door body 201b to rotate, and the second placing ring 202c also rotates to drive the fixed ring 201c to rotate, the fixed ring 201c drives the second door body 201d to rotate, and the two sliding bars drive the two placing rings to rotate, thereby driving the two door bodies to move towards each other to open.

[0034] Specifically, the movable assembly 300 is arranged at the top of the support column 201a and comprises a movable part 301, which comprises a fixed column 301a, a limiting column 301b, a floating block 301c, a connecting rod 301d, an extrusion ball 301e and a floating block 301f, the limiting column 301b is inserted into the inner wall of the fixed column 301a, the floating block 301c is arranged to slide on the inner wall of the fixed column 301a, the connecting rod 301d is arranged at the top of the floating block 301c, the extrusion ball 301e is arranged at the bottom of the connecting rod 301d, and the floating block 301f is arranged to slide on the inner wall of the fixed column 301a.

[0035] The other end of the fixed column 301a is arranged at one end of the gas storage tank body 101.

[0036] The limiting column 301b is a magnet, when the inner wall of the fixed column 301a is filled with water, the floating block 301f is moved, the floating block 301f is extruded at the bottom of the floating block 301c, the floating block 301c is moved to drive the connecting rod 301d to move, the connecting rod 301d drives the extrusion ball 301e to extrude the extrusion block 202i, and then the two door bodies are opened, at this time, the limiting column 301b is attracted to the floating block 301f, and the floating block 301f is also provided with a magnet, at this time, the floating block 301f is extruded at the bottom of the floating block 301c, and the floating block 301c is extruded, when the inner wall of the fixed column 301a is empty, the limiting column 301b is moved to separate the limiting column 301b from the floating block 301f, at this time, the floating block 301f falls to the bottom of the fixed column 301a, so that the extrusion of the floating block 301c is released, and then the two door bodies can be closed.

[0037] Embodiment 2

[0038] Referring to Figures 1-7 This is the second embodiment of the utility model, and the embodiment is based on the previous embodiment.

[0039] Specifically, the first door body 201b is provided with a drain pipe 202a outside, the support column 201a is provided with a first placing ring 202b outside, and the fixed ring 201c is provided with a second placing ring 202c at the top.

[0040] The drain pipe 202a is used for draining water, the extrusion of the extrusion block 202i can drive the sliding plate 202f to move, the movement of the sliding plate 202f drives the sliding groove 202f-1 to extrude the first sliding bar 202d and the second sliding bar 202e to move, the movement of the first sliding bar 202d drives the first placing ring 202b to rotate, the movement of the second sliding bar 202e drives the second placing ring 202c to rotate, and the movement of the two placing rings can drive the two door bodies to move simultaneously.

[0041] Specifically, the first placement ring 202b is provided with a first sliding strip 202d at the bottom, and the second placement ring 202c is provided with a second sliding strip 202e at the top.

[0042] By moving the first sliding strip 202d, the first sliding strip 202d drives the first placement ring 202b to move, the first placement ring 202b drives the support column 201a to rotate, the support column 201a drives the first door body 201b to rotate, and the second sliding strip 202e is also moved while the first sliding strip 202d is moved, the second sliding strip 202e drives the second placement ring 202c to rotate, the second placement ring 202c drives the fixed ring 201c to rotate when rotating, and the second door body 201d is driven to rotate by the rotation of the fixed ring 201c, so that the two door bodies are opened and closed at the same time.

[0043] Specifically, the first placement ring 202b is provided with a first sliding strip 202d at the bottom, and the second placement ring 202c is provided with a second sliding strip 202e at the top.

[0044] When the inner wall of the fixed column 301a is filled with water, the floating block 301f is moved, and when the floating block 301f is moved to the bottom of the floating block 301c, it is extruded to move, and the movement of the floating block 301c will make the extrusion ball 301e move, the movement of the extrusion ball 301e will extrude the extrusion block 202i, the extrusion block 202i drives the sliding plate 202f to move, the sliding plate 202f drives the sliding groove 202f-1 to move, the sliding groove 202f-1 moves to extrude the two sliding strips, and the movement of the two sliding strips can open the two door bodies.

[0045] Specifically, the sliding plate 202f is provided with a fixed block 202g outside, the sliding plate 202f is located in the inner wall of the fixed block 202g and slides, the sliding plate 202f is provided with two first springs 202h at one end, the other end of the first spring 202h is fixed to the inner wall of the fixed block 202g, the sliding plate 202f is provided with an extrusion block 202i at one end, and the extrusion block 202i is provided with an extrusion ball 301e at one end.

[0046] The fixed block 202g is fixed to the surface of the drain pipe 202a, and is used to support the sliding plate 202f. The extrusion block 202i is extruded by moving the extrusion ball 301e. The sliding plate 202f is slid in the inner wall of the fixed block 202g by the movement of the extrusion block 202i. The sliding plate 202f pulls the first spring 202h by moving. The sliding plate 202f drives the sliding groove 202f-1 to move. The sliding groove 202f-1 extrudes the two sliding strips by moving. The two door bodies can be opened by the movement of the two sliding strips. When it is needed to close the two door bodies, the limiting column 301b is moved to separate the limiting column 301b from the floating block 301f. At this time, the floating block 301f falls to the bottom of the fixed column 301a, so that the extrusion on the floating block 301c is released. The floating block 301c moves to drive the connecting rod 301d to move. The connecting rod 301d moves to drive the extrusion ball 301e to separate from the extrusion block 202i. At this time, the sliding plate 202f is driven to return to the original position by the rebound force of the first spring 202h. The two door bodies can be closed by the movement of the sliding plate 202f.

[0047] Specifically, the floating block 301c is provided with a second spring 302a at the top. The other end of the second spring 302a is fixed to the inner wall of the fixed column 301a. The limiting column 301b is provided with a sliding column 302b at one end. The inner wall of the sliding column 302b is provided with a fixed groove 302b-1. The fixed groove 302b-1 is slid in the inner wall of the fixed column 301a.

[0048] When the inner wall of the fixed column 301a is filled with water, the floating block 301f is moved. When the floating block 301f moves to the bottom of the floating block 301c, it is extruded to move. The floating block 301c extrudes the second spring 302a by moving. At this time, the two door bodies are opened. When the floating block 301f moves to the bottom of the floating block 301c, the floating block 301f is attracted to the limiting column 301b. At this time, the floating block 301f stays at the bottom of the floating block 301c, and continuously extrudes the floating block 301c. After the two door bodies are opened, the water is discharged. When the inner wall of the fixed column 301a is discharged, the sliding column 302b is moved. The sliding column 302b moves to drive the fixed groove 302b-1 to move in the inner wall of the fixed column 301a. The fixed column 301a is provided with a supporting block. The inner wall of the supporting block is provided with a supporting strip corresponding to the fixed groove 302b-1. The sliding column 302b also slides in the inner wall of the supporting block. The sliding column 302b moves to drive the limiting column 301b to move, so that the limiting column 301b is separated from the floating block 301f. At this time, the floating block 301f falls to the bottom of the fixed column 301a, so that the extrusion on the floating block 301c is released. Then the two door bodies can be closed.

[0049] Example 3

[0050] Referring toFigures 6-7 For the third embodiment of the utility model, the embodiment is based on the previous two embodiments.

[0051] Specifically, the sliding column 302b is provided with a moving rod 302c at one end, and the moving rod 302c is provided with a supporting frame 302d outside.

[0052] By moving the moving rod 302c, the moving rod 302c drives the sliding column 302b to move, and the supporting frame 302d is used for supporting the moving rod 302c.

[0053] Specifically, the moving rod 302c is provided with a handle 302e at one end, the handle 302e is provided with a third spring 302f outside, one end of the third spring 302f is arranged at one end of the moving rod 302c, and the other end is fixed to the inner wall of the supporting frame 302d.

[0054] By moving the handle 302e, the handle 302e drives the moving rod 302c to move, and the moving rod 302c moves to extrude the third spring 302f, at this time, the limiting column 301b is separated from the floating block 301f, and the floating block 301f falls to the bottom of the fixed column 301a, and the extrusion of the floating block 301c is released, then through the rebound of the second spring 302a, the two door bodies can be closed, after closing, the handle 302e is loosened, and through the rebounding force of the third spring 302f, the limiting column 301b can return to the original position.

[0055] Specifically, the supporting frame 302d is provided with a supporting strip 302g at the bottom, the supporting strip 302g is fixed to one end of the fixed column 301a at the other end, the connecting rod 301d is provided with a supporting sleeve 302h outside, and the other end of the supporting sleeve 302h is fixed to one end of the fixed column 301a.

[0056] The supporting strip 302g is used for supporting the supporting frame 302d, the supporting sleeve 302h is used for supporting the connecting rod 301d, and the connecting rod 301d is prevented from deviating when moving.

[0057] Specifically, it also includes a main body assembly 100, including a gas tank body 101, a supporting leg 102 and a pressure gauge 103, the supporting leg 102 is arranged at the bottom of the gas tank body 101, the pressure gauge 103 is arranged on the surface of the gas tank body 101, the other end of the drain pipe 202a is arranged at one end of the gas tank body 101, and the other end of the fixed column 301a is arranged at one end of the gas tank body 101.

[0058] The air tank body 101 can store the compressed air generated by the air compressor and the like, and is a device for storing and regulating the compressed air. The supporting legs 102 are used to support the air tank body 101. The pressure gauge 103 can directly display the pressure value of the gas in the air tank, so that the operator can know the pressure condition in the tank at any time.

[0059] In use, when the water tank body 101 is full of water and needs to be drained, and when the inner wall of the fixed column 301a is also full of water, the floating block 301f will move upward as the water level rises, and the floating block 301f will move to the bottom of the floating block 301c and press it to move. The floating block 301f moves and is attracted to the limiting column 301b. At this time, the floating block 301f will stay at the bottom of the floating block 301c and continue to press the floating block 301c. The floating block 301c presses the second spring 302a, and the floating block 301c moves to drive the connecting rod 301d to move. The connecting rod 301d moves to drive the extrusion ball 301e to press the extrusion block 202i. The extrusion block 202i drives the sliding plate 202f to slide in the inner wall of the fixed block 202g. The sliding plate 202f moves to pull the first spring 202h. The sliding plate 202f drives the sliding groove 202f-1 to move. The sliding groove 202f-1 extrudes the first sliding bar 202d and the second sliding bar 202e to move. The first sliding bar 202d moves to drive the first placement ring 202b to rotate. The first placement ring 202b drives the first door body 201b to rotate. When the sliding groove 202f-1 moves, it also extrudes the second sliding bar 202e to move. The second sliding bar 202e moves to drive the second placement ring 202c to rotate. The second placement ring 202c also drives the fixed ring 201c to rotate when it rotates. The fixed ring 201c drives the second door body 201d to rotate. At this time, the two door bodies will move to open, so that the water in the water tank body 101 can be drained. When the water tank body 101 and the inner wall of the fixed column 301a are full of water, move the handle 302e. The handle 302e moves to drive the moving rod 302c to move. The moving rod 302c moves to extrude the third spring 302f. The moving rod 302c moves to drive the sliding column 302b to move. The sliding column 302b drives the limiting column 301b to move, so that the limiting column 301b is separated from the floating block 301f. At this time, the floating block 301f will fall to the bottom of the fixed column 301a, so that the extrusion of the floating block 301c is released. At this time, the floating block 301c is returned to the original position by the rebounding force of the second spring 302a. The floating block 301c moves to drive the connecting rod 301d to return to the original position. The connecting rod 301d moves to drive the extrusion ball 301e and the extrusion block 202i to separate. At this time, the sliding plate 202f is returned to the original position by the rebounding force of the first spring 202h. The two door bodies can be closed by moving the sliding plate 202f. Then release the handle 302e. At this time, the limiting column 301b is returned to the original position by the rebounding force of the third spring 302f, so as to be used next time.

[0060] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present application and are not limiting. Although the present application has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present application can be modified or replaced equivalently without departing from the spirit and scope of the technical solutions of the present application, and they should be covered in the scope of the claims of the present application.

Claims

1. An air receiver tank facilitating drainage, characterized by: Including, The drainage assembly (200) comprises a drainage part (201), which comprises a support column (201a), a first door body (201b), three fixed rings (201c) and a second door body (201d). The first door body (201b) is arranged outside the support column (201a), the fixed rings (201c) are arranged outside the support column (201a), and the second door body (201d) is arranged on the surface of the fixed ring (201c). The movable assembly (300) is arranged on the top of the support column (201a) and comprises a movable part (301), which comprises a fixed column (301a), a limiting column (301b), a floating block (301c), a connecting rod (301d), an extrusion ball (301e) and a floating block (301f). The limiting column (301b) is inserted into the inner wall of the fixed column (301a), the floating block (301c) is arranged to slide on the inner wall of the fixed column (301a), the connecting rod (301d) is arranged on the top of the floating block (301c), the extrusion ball (301e) is arranged on the bottom of the connecting rod (301d), and the floating block (301f) is arranged to slide on the inner wall of the fixed column (301a).

2. The air receiver convenient for drainage according to claim 1, characterized in that: The first door body (201b) is provided with a drain pipe (202a) outside, the support column (201a) is provided with a first placing ring (202b) outside, and the top of the fixed ring (201c) is provided with a second placing ring (202c).

3. The air receiver convenient for drainage according to claim 2, characterized in that: The bottom of the first placing ring (202b) is provided with a first sliding strip (202d), and the top of the second placing ring (202c) is provided with a second sliding strip (202e).

4. The air receiver convenient for drainage according to claim 3, characterized in that: The first placing ring (202b) is provided with a sliding plate (202f) outside, two sliding grooves (202f-1) are formed in the inner wall of the sliding plate (202f), the first sliding strip (202d) moves in the inner wall of the sliding groove (202f-1), and the second sliding strip (202e) moves in the inner wall of the sliding groove (202f-1).

5. The air receiver convenient for drainage according to claim 4, characterized in that: The sliding plate (202f) is provided with a fixed block (202g) outside, the sliding plate (202f) slides in the inner wall of the fixed block (202g), two first springs (202h) are arranged at one end of the sliding plate (202f), the other end of the first spring (202h) is fixed to the inner wall of the fixed block (202g), an extrusion block (202i) is arranged at one end of the sliding plate (202f), and an extrusion ball (301e) is arranged at one end of the extrusion block (202i).

6. The air receiver convenient for drainage according to claim 5, characterized in that: The top of the floating block (301c) is provided with a second spring (302a), the other end of the second spring (302a) is fixed to the inner wall of the fixed column (301a), one end of the limiting column (301b) is provided with a sliding column (302b), a fixed groove (302b-1) is formed in the inner wall of the sliding column (302b), and the fixed groove (302b-1) slides in the inner wall of the fixed column (301a).

7. The air receiver convenient for drainage according to claim 6, characterized in that: One end of the sliding column (302b) is provided with a moving rod (302c), and the outer side of the moving rod (302c) is sleeved with a support frame (302d).

8. The air receiver convenient for drainage according to claim 7, characterized in that: One end of the moving rod (302c) is provided with a handle (302e), the outer side of the handle (302e) is sleeved with a third spring (302f), one end of the third spring (302f) is arranged on one end of the moving rod (302c), and the other end is fixed to the inner wall of the support frame (302d).

9. The air receiver convenient for drainage according to claim 8, characterized in that: The bottom of the support frame (302d) is provided with a support strip (302g), one end of the support strip (302g) is fixed to one end of the fixed column (301a), the outer side of the connecting rod (301d) is sleeved with a support sleeve (302h), and the other end of the support sleeve (302h) is fixed to one end of the fixed column (301a).

10. The air receiver convenient for drainage according to claim 9, characterized in that: Further comprising a main body assembly (100), comprising a gas storage tank body (101), a support leg (102) and a pressure gauge (103), the support leg (102) is arranged at the bottom of the gas storage tank body (101), the pressure gauge (103) is arranged on the surface of the gas storage tank body (101), the other end of the drain pipe (202a) is arranged at one end of the gas storage tank body (101), and the other end of the fixed column (301a) is arranged at one end of the gas storage tank body (101).

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