Gas filling protective cover

Abstract

The utility model discloses a gas filling protective cover, and belongs to the field of protective covers, the gas filling protective cover comprises a frame, the top of the frame is fixedly provided with a lower protective cover, the two sides of the lower protective cover are each provided with a plurality of heat dissipation holes, and the top of the lower protective cover is rotatably connected with an upper protective cover through a hinge; buffer layers are adhered to the inner walls of the lower protective cover and the upper protective cover, a bottom plate is fixedly mounted at the bottom of the frame, a positioning frame is fixedly mounted at the bottom of the bottom plate, and a screw rod is rotatably connected to the bottom of the bottom plate; the high-strength metal frame is adopted to construct a cylindrical overall structure, a high-efficiency buffer layer and a ventilation facility are arranged in the cylindrical overall structure, and through the innovative design, potential risks in the filling process are effectively prevented, operation convenience and economic practicability are greatly improved, and the economic benefit is improved. The high-pressure gas filling device is particularly suitable for field filling links of various high-pressure gases, the safety coefficient of gas filling operation is remarkably improved, and the possibility of safety accidents is reduced.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of protective cover, in particular to a gas filling protective cover. BACKGROUND

[0002] With the acceleration of industrialization, the demand for various gases is increasing, especially the application of high-pressure gas is more widely. However, in the process of high-pressure gas filling, due to the over-high pressure of gas or improper filling, etc., it may cause tank explosion or other safety hazards, which brings serious threat to production and personnel. The protective measures on the market at present mainly focus on physical isolation or pressure relief device, which can reduce accidents to a certain extent, but cannot fundamentally solve the problem, and the cost is high and the maintenance is complex.

[0003] The specific solution of the prior art: the prior art mainly includes setting protective wall, using pressure relief valve and increasing tank thickness to improve safety, the protective wall can effectively block the splashing of fragments, but occupies a large area and is not suitable for narrow working environment; the pressure relief valve can automatically open to release pressure under overpressure condition to avoid tank explosion, but it is slow to respond to internal leakage and other problems; increasing the thickness of the tank can directly improve the strength of the tank, but this will increase the overall weight and transportation is not convenient. These methods have advantages but also have obvious defects.

[0004] In summary, the existing gas filling protection measures generally have the problems of large area, high maintenance cost, poor adaptability, etc., which are difficult to meet the needs in different occasions, especially the application in narrow space is limited, and it is not convenient to carry out filling operation at different positions, and the movement is more cumbersome. CONTENT OF THE INVENTION

[0005] In view of the deficiencies of the prior art, the present application provides a gas filling protective cover, which overcomes the deficiencies of the prior art and aims to solve the problems in the background art.

[0006] In order to achieve the above purpose, the following technical scheme is adopted in the present application: a gas filling protective cover, comprising a frame, a lower protective cover is fixedly installed at the top of the frame, a plurality of heat dissipation holes are formed in the two sides of the lower protective cover, an upper protective cover is rotatably connected to the top of the lower protective cover through a hinge, a buffer layer is bonded to the inner walls of the lower protective cover and the upper protective cover, a bottom plate is fixedly installed at the bottom of the frame, a positioning frame is fixedly installed at the bottom of the bottom plate, a lead screw is rotatably connected to the bottom of the bottom plate, a conical gear one is fixedly installed on the outer edge of the lead screw, a rotating rod is rotatably connected to the inner wall of the positioning frame, a conical gear two is fixedly connected to one end of the rotating rod, a moving plate is threadedly connected to the outer edge of the lead screw, and four moving wheels are fixedly installed on the bottom of the moving plate.

[0007] As a preferred implementation form, the inner wall of the frame is symmetrically provided with filter screens on both sides, which are arranged on the inner side of the position corresponding to the plurality of heat dissipation holes, and the filter screens are stainless steel fine mesh screens.

[0008] By adopting the above technical scheme, the air circulation is ensured and the impurities are effectively blocked, so that the impurities cannot enter the inner cavities of the upper protective cover and the lower protective cover through the heat dissipation holes during use, and the dustproof effect is improved.

[0009] As a preferred implementation form, the inner wall of the upper protective cover is fixedly provided with an observation window made of transparent tempered glass, and the inner wall of the buffer layer is also provided with an observation hole corresponding to the position of the observation window.

[0010] By adopting the above technical scheme, the user can observe the filling state of the inner cavity of the lower protective cover when the upper protective cover is not opened, and the monitoring is facilitated.

[0011] As a preferred implementation form, the inner wall of the upper protective cover is fixedly communicated with a pressure relief pipe, and the inner wall of the pressure relief pipe is fixedly provided with an electromagnetic valve.

[0012] By adopting the above technical scheme, the internal pressure can be rapidly reduced in an emergency, and the safety is further improved.

[0013] As a preferred implementation form, the top of the lower protective cover is symmetrically provided with two insertion holes, the bottom of the upper protective cover is fixedly provided with two electromagnetic blocks corresponding to the positions of the insertion holes, and the two electromagnetic blocks are inserted into the inner walls of the two insertion holes, and the lower protective cover is made of a magnetic material.

[0014] By adopting the above technical scheme, the upper protective cover can be stably positioned on the top of the lower protective cover by using the magnetic attraction principle, and the stability of the connection and installation of the upper protective cover and the lower protective cover can be ensured.

[0015] As a preferred implementation form, the bevel gear one and the bevel gear two are engaged, the bottom of the bottom plate is fixedly provided with a positioning block, the rotating rod is rotatably connected to the inner wall of the positioning block, and the end of the rotating rod away from the bevel gear two is fixedly provided with a crank handle.

[0016] By adopting the above technical scheme, the user can rotate the crank handle to drive the rotating rod and the bevel gear two to rotate, and then use the bevel gear one to drive the lead screw to rotate, so as to adjust the positions of the moving plate and the four moving wheels, and the positioning block can be used to position the rotating rod to ensure the stability during operation.

[0017] As a preferred implementation form, the inner wall of the positioning frame is fixedly provided with a positioning strip, the bottom end of the lead screw is rotatably connected to the inner wall of the positioning strip, and the periphery of the moving plate is fitted with the inner wall of the positioning frame.

[0018] By adopting the technical scheme, the lead screw during rotation can be limited, the stability of the lead screw during rotation can be ensured, and the stability thereof during rotation can be ensured.

[0019] As a preferred embodiment, a handle is fixedly installed on the outer side of the upper protective cover, the buffer layer is polyurethane foam plastic, the frame is stainless steel material, and the inflation hole is formed through the lower protective cover and one side of the inner wall of the lower protective cover.

[0020] By adopting the technical scheme, the convenience of the user in opening the upper protective cover is increased, the hand force is convenient, the buffer layer made of polyurethane foam plastic has moderate density and good energy absorption effect, good buffering effect is achieved, the tank body is protected, and the tank body is prevented from colliding with the inner wall of the lower protective cover and the upper protective cover.

[0021] The application has the following beneficial effects:

[0022] 1. The gas filling protective cover has a cylindrical overall structure constructed by a high-strength metal frame, an efficient buffer layer and ventilation facilities are arranged in the gas filling protective cover, the innovative design not only effectively prevents potential dangers during the filling process, but also greatly improves the operation convenience and economic practicability, and is particularly suitable for being applied to the on-site filling link of various high-pressure gases, significantly improves the safety factor of the gas filling operation, and reduces the possibility of safety accidents.

[0023] 2. The gas filling protective cover can be moved to a use site through the four moving wheels, the rotating handle can drive the rotating rod and the bevel gear to rotate, the taper gear can drive the lead screw to rotate, the position of the moving plate and the four moving wheels can be adjusted, the moving plate and the four moving wheels can be accommodated in the inner cavity of the positioning frame, the bottom of the positioning frame is in contact with the site during operation, the stability is improved, the protection effect of the moving plate is improved, and the service life thereof is improved. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is a schematic diagram of the overall structure of the application;

[0025] Figure 2 It is a schematic diagram of the cross-sectional structure of the upper protective cover of the application;

[0026] Figure 3 It is a schematic diagram of the filter screen structure of the application;

[0027] Figure 4 It is a schematic diagram of the positioning frame structure of the application.

[0028] The figure label: 1, frame; 2, lower protective cover; 3, heat dissipation hole; 4, filter screen; 5, upper protective cover; 6, buffer layer; 7, observation window; 8, pressure relief pipe; 9, jack; 10, bottom plate; 11, positioning frame; 12, lead screw; 13, bevel gear one; 14, bevel gear two; 15, rotating rod; 16, crank; 17, positioning block; 18, moving plate; 19, moving wheel; 20, positioning strip. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all embodiments.

[0030] Reference Figures 1-4 A gas filling protective cover, comprising a frame 1, a lower protective cover 2 is fixedly installed on the top of the frame 1, a plurality of heat dissipation holes 3 are formed on both sides of the lower protective cover 2, an upper protective cover 5 is rotatably connected to the top of the lower protective cover 2 through a hinge, a buffer layer 6 is attached to the inner walls of the lower protective cover 2 and the upper protective cover 5, a bottom plate 10 is fixedly installed on the bottom of the frame 1, a positioning frame 11 is fixedly installed on the bottom of the bottom plate 10, a lead screw 12 is rotatably connected to the bottom of the bottom plate 10, a bevel gear one 13 is fixedly installed on the outer edge of the lead screw 12, a rotating rod 15 is rotatably connected to the inner wall of the positioning frame 11, a bevel gear two 14 is fixedly connected to one end of the rotating rod 15, a moving plate 18 is threadedly connected to the outer edge of the lead screw 12, and four moving wheels 19 are fixedly installed on the bottom of the moving plate 18.

[0031] Reference Figure 2 and Figure 3 The filter screen 4 is installed symmetrically on both sides of the inner wall of the frame 1, and is arranged on the inner side corresponding to the position of the plurality of heat dissipation holes 3. The filter screen 4 is a stainless steel fine mesh screen, which not only ensures air circulation but also effectively blocks impurities, ensuring that impurities cannot enter the inner cavities of the lower protective cover 2 and the upper protective cover 5 through the heat dissipation holes 3 during use, and improving the dustproof effect.

[0032] Reference Figure 2 The inner wall of the upper protective cover 5 is fixedly installed with an observation window 7, and the observation window 7 is made of transparent tempered glass. The inner wall of the buffer layer 6 is also provided with an observation hole corresponding to the position of the observation window 7, so that the user can observe the filling state of the inner cavity of the lower protective cover 2 without opening the upper protective cover 5, which is convenient for monitoring.

[0033] Reference Figure 2 The inner wall of the upper protective cover 5 is fixedly connected with a pressure relief pipe 8, and the inner wall of the pressure relief pipe 8 is fixedly installed with a solenoid valve, so that the internal pressure can be quickly reduced in an emergency, further improving the safety.

[0034] ReferenceFigure 1 Figure 3 The top of the lower protective cover 2 is symmetrically provided with two insertion holes 9, the bottom of the upper protective cover 5 is fixedly provided with two electromagnetic blocks at positions corresponding to the insertion holes 9, and the two electromagnetic blocks are inserted into the inner walls of the two insertion holes 9. The lower protective cover 2 is made of magnetic material, so that the upper protective cover 5 can be stably positioned on the top of the lower protective cover 2 by using the magnetic attraction principle, thereby ensuring the stability of the connection and installation of the upper protective cover 5 and the lower protective cover 2.

[0035] Referring to Figure 4 The bevel gear one 13 and the bevel gear two 14 are engaged, the bottom of the bottom plate 10 is fixedly provided with a positioning block 17, the rotating rod 15 is rotatably connected to the inner wall of the positioning block 17, and the end of the rotating rod 15 away from the bevel gear two 14 is fixedly provided with a crank 16, so that the user can rotate the crank 16 to drive the rotating rod 15 and the bevel gear two 14 to rotate, thereby driving the lead screw 12 to rotate by using the bevel gear one 13, realizing the position adjustment of the moving plate 18 and the four moving wheels 19, and positioning the rotating rod 15 by using the positioning block 17 to ensure the stability during operation.

[0036] Referring to Figure 4 The inner wall of the positioning frame 11 is fixedly provided with a positioning strip 20, the bottom end of the lead screw 12 is rotatably connected to the inner wall of the positioning strip 20, and the periphery of the moving plate 18 is fitted with the inner wall of the positioning frame 11, so that the lead screw 12 during rotation can be limited, ensuring that the lead screw 12 can stably rotate in a vertical state, and ensuring the stability during rotation.

[0037] Referring to Figure 1 Figure 3 The outer side of the upper protective cover 5 is fixedly provided with a handle, the buffer layer 6 is polyurethane foam plastic, the frame 1 is made of stainless steel material, and the lower protective cover 2 and the inner wall of the lower protective cover 2 are provided with an inflation hole on one side, so that the user can open the upper protective cover 5 conveniently, and the hand can be easily forced. The buffer layer 6 made of polyurethane foam plastic material has moderate density and good energy absorption effect, can play a good buffering role, protects the tank body, and ensures that it will not collide with the inner walls of the lower protective cover 2 and the upper protective cover 5.

[0038] ​​Working principle: firstly, the device can be moved to the use site by four moving wheels 19, and the rotating handle 16 can drive the rotating rod 15 and the bevel gear 14 to rotate, and then the taper gear 13 can drive the lead screw 12 to rotate, so as to adjust the position of the moving plate 18 and the four moving wheels 19, until the moving plate 18 and the four moving wheels 19 are stored in the inner cavity of the positioning frame 11, the bottom of the positioning frame 11 is in contact with the site during operation, the stability is improved, the protection effect of the moving plate 18 is improved, and then the tank to be filled is placed on the inner wall of the lower protective cover 2, then the pipeline is connected with the tank through the inflation hole, then the upper protective cover 5 is closed until the two electromagnetic blocks at the bottom of the upper protective cover 5 are inserted into the inner wall of the two insertion holes 9, then the lower protective cover 2 and the upper protective cover 5 are firmly connected, and the user can observe the filling state of the inner cavity of the lower protective cover 2 under the state that the upper protective cover 5 is not opened through the observation window 7, and the filter screen 4 can ensure air circulation and effectively block impurities, so that impurities cannot enter the inner cavities of the lower protective cover 2 and the upper protective cover 5 through the heat dissipation holes 3 during use, and the dustproof effect is improved.

[0039] In the description of the present application, it should be pointed out that the positions or position relationships indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end" and "the other end" are based on the positions or position relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as limiting the application. The application must have a specific orientation, construction and operation. Therefore, it cannot be understood as limiting the application. In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0040] In the description of the present application, it should be pointed out that, unless otherwise specified and limited, the terms "mounting", "provided with", "connection" and the like should be understood broadly, for example, "connection" can be fixed connection, can also be detachable connection, or integral connection, can be mechanical connection, can also be electrical connection, can be directly connected, can also be indirectly connected through an intermediate medium, and can be the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific situation.

[0041] The present application has been described above in combination with specific embodiments, but those skilled in the art should understand that these descriptions are exemplary and are not limiting the scope of protection of the present application. Those skilled in the art can make various modifications and changes to the present application according to the spirit and principles of the present application, and these modifications and changes are also within the scope of the present application.

Claims

1. A gas filling protection shield comprising a frame (1), characterized in that, The top of the frame (1) is fixedly installed with a lower protective cover (2), a plurality of heat dissipation holes (3) are formed in the two sides of the lower protective cover (2), the top of the lower protective cover (2) is rotatably connected with an upper protective cover (5) through a hinge, the inner walls of the lower protective cover (2) and the upper protective cover (5) are bonded with a buffer layer (6), the bottom of the frame (1) is fixedly installed with a bottom plate (10), the bottom of the bottom plate (10) is fixedly installed with a positioning frame (11), the bottom of the bottom plate (10) is rotatably connected with a lead screw (12), the outer edge of the lead screw (12) is fixedly installed with a bevel gear one (13), the inner wall of the positioning frame (11) is rotatably connected with a rotating rod (15), one end of the rotating rod (15) is fixedly connected with a bevel gear two (14), the outer edge of the lead screw (12) is threadedly connected with a moving plate (18), the bottom of the moving plate (18) is fixedly installed with four moving wheels (19) in a symmetrical manner.

2. A gas-fill boot according to claim 1, wherein, The inner walls of the frame (1) are symmetrically installed with filter screens (4), the filter screens (4) are arranged on the inner sides of the positions corresponding to the plurality of heat dissipation holes (3), and the filter screens (4) are stainless steel fine mesh screens.

3. A gas-fill boot according to claim 1, wherein, The inner wall of the upper protective cover (5) is fixedly installed with an observation window (7), the observation window (7) is made of transparent tempered glass, and the inner wall of the buffer layer (6) is also provided with an observation hole corresponding in position to the observation window (7).

4. A gas-fill boot according to claim 1, wherein, The inner wall of the upper protective cover (5) is fixedly and communicatively provided with a pressure relief pipe (8), and the inner wall of the pressure relief pipe (8) is fixedly installed with an electromagnetic valve.

5. A gas-fill boot according to claim 1, wherein, The top of the lower protective cover (2) is symmetrically provided with two jack holes (9), the bottom of the upper protective cover (5) is fixedly installed with two electromagnetic blocks corresponding in position to the jack holes (9), the two electromagnetic blocks are inserted into the inner walls of the two jack holes (9), and the lower protective cover (2) is made of a magnetic material.

6. A gas-fill boot according to claim 1, wherein, The bevel gear one (13) and the bevel gear two (14) are engaged with each other, the bottom of the bottom plate (10) is fixedly installed with a positioning block (17), the rotating rod (15) is rotatably connected to the inner wall of the positioning block (17), and one end, away from the bevel gear two (14), of the rotating rod (15) is fixedly installed with a crank handle (16).

7. A gas-fill boot according to claim 1, wherein, The inner wall of the positioning frame (11) is fixedly installed with a positioning strip (20), the bottom end of the lead screw (12) is rotatably connected to the inner wall of the positioning strip (20), and the periphery of the moving plate (18) is attached to the inner wall of the positioning frame (11).

8. A gas-fill boot according to claim 1, wherein, The outer side of the upper protective cover (5) is fixedly installed with a handle, the buffer layer (6) is polyurethane foam plastic, the frame (1) is made of stainless steel, and the lower protective cover (2) and one side of the inner wall of the lower protective cover (2) are jointly and perforately provided with an inflation hole.

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