Gas distribution device for arsine mixed gas

Abstract

The utility model discloses a gas distribution device for arsine mixed gas, which comprises a cabinet body, a fixing mechanism, a ventilation mechanism and a gas distribution mechanism, the fixing mechanism and the ventilation mechanism are both arranged in the cabinet body, the fixing mechanism comprises push rods, the push rods are respectively and symmetrically arranged on the inner walls of the two sides of the cabinet body, and two groups of push rods are arranged up and down; the cabinet body is internally provided with a clamping block capable of being adjusted according to the size of the gas cylinder to drive the clamping block to clamp and fix the gas cylinder, the gas cylinder is prevented from shaking during transportation, meanwhile, the supporting base is arranged on the bottom face in the cabinet body, the damper is arranged in the supporting base to conduct damping on the gas cylinder above the supporting base, and the damping effect is good. And meanwhile, a fan is arranged in a direction groove formed in the side wall of a mounting plate arranged in the middle of the interior of the cabinet body, circulation of air in the cabinet body is guaranteed, and the storage environment of the gas cylinders is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of gas distribution devices, in particular to a gas distribution device used for arsine mixed gas. Background Art

[0002] Arsine is a colorless, highly toxic, flammable gas with a garlic smell at room temperature and atmospheric pressure. It forms a flammable mixture when mixed with air.

[0003] Arsine gas is toxic and forms a flammable mixed gas when mixed with air, so it needs to be stored in stainless steel tanks. Since the tanks for storing arsine are heavy, it is not convenient to transport and distribute the gas. Since arsine is a highly toxic and flammable gas, it can only be used and stored in ventilated gas cylinder cabinets, exhaust cabinets or rooms with forced ventilation.

[0004] After searching, the prior art has a publication number of CN219121836U, which discloses a gas distribution device, including a cabinet, a first fixed plate, a second fixed plate, a gas distribution pipeline and a universal wheel group. The first fixed plate, the second fixed plate and the gas distribution pipeline are all arranged in the cabinet. The first fixed plate and the second fixed plate are arranged at intervals in the vertical direction, and are respectively provided with a plurality of first card slots and a plurality of second card slots arranged opposite to each other. The gas outlet end of the gas distribution pipeline is passed through the cabinet, and the universal wheel group is arranged on the bottom surface of the cabinet. A plurality of gas cylinders storing different standard gases can be respectively passed through a group of a first card slot and a second card slot arranged opposite to each other, and then stored and fixed in the cabinet. Each gas cylinder is connected to the gas distribution pipeline to realize the gas distribution and transmission operation to the external equipment. The universal wheel group can make the cabinet freely move to the appropriate position in the working area, which is convenient for unified storage, movement and fixation, and ensures the efficiency of the detection work.

[0005] However, the utility model uses two sets of fixing plates to fix the gas cylinders, the fixing effect of the gas cylinders during transportation is low, and the ventilation holes are opened on the side walls of the cabinet to ventilate the gas cylinders inside, which is inefficient. Therefore, a gas distribution device for arsine mixed gas is needed. Utility Model Content

[0006] The purpose of the utility model is to provide a gas distribution device for arsine mixed gas, in which a fixing mechanism which can be adjusted according to gas cylinders of different specifications and sizes is arranged inside a cabinet to support and fix the gas cylinders, thereby preventing the gas cylinders from shaking during transportation and causing arsine gas leakage inside the gas cylinders to cause harm to the transportation personnel. At the same time, a fan is arranged on the side wall of a mounting plate arranged in the middle of the interior of the cabinet to increase air circulation inside the cabinet and ensure the transportation environment of the gas cylinders, so as to solve the problems raised in the above-mentioned background technology.

[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0008] A gas distribution device for arsine mixed gas comprises a cabinet, a fixing mechanism, a ventilation mechanism and a gas distribution mechanism, wherein the fixing mechanism and the ventilation mechanism are both arranged inside the cabinet, the fixing mechanism comprises push rods, and the push rods are symmetrically arranged on the inner walls on both sides of the cabinet, and two groups are arranged up and down, the inner rod ends of the multiple groups of push rods are fixedly installed on the side walls of the clamping blocks, and a plurality of anti-slip pads are arranged inside the opposite side walls of each two groups of the clamping blocks, and a buffer component is also arranged on the inner bottom surface of the cabinet.

[0009] Preferably, the buffer assembly includes a support seat, which is arranged on the inner bottom surface of the cabinet, and a damper is symmetrically arranged on the inner bottom surface of the cabinet. The top surface of the damper is fixedly mounted on the inner top surface of the support seat, and a mounting plate is arranged in the middle of the surface of the support seat, and the ventilation mechanism is fixedly mounted on the mounting plate.

[0010] Preferably, the ventilation mechanism includes a heat dissipation window, a dustproof net and a fan. The heat dissipation windows are respectively opened on both side walls of the cabinet, and dustproof nets are respectively arranged inside the heat dissipation windows. The fan is installed in a square groove opened on the side wall of the mounting plate.

[0011] Preferably, one side of the heat dissipation window passes through the side wall of the cabinet, the inner wall of the heat dissipation window is slidably connected to the dustproof net, the inner walls of the farther sides of the two groups of heat dissipation windows are respectively provided with sliding grooves, the inner walls of the sliding grooves are slidably connected to the spring plunger, the spring plunger is installed on the side wall of one end of the dustproof net, and the side walls of the cabinet are respectively provided with through holes, and the inner walls of the through holes are clamped with the spring plungers.

[0012] Preferably, the surface of the support seat is located on both sides of the mounting plate and is provided with placement grooves for placing gas cylinders, and guide grooves are respectively provided under the inner walls on both sides of the cabinet, and the side walls at both ends of the support seat are slidably connected to the inner walls of the guide grooves.

[0013] Preferably, the gas distribution mechanism includes a mounting head, a metering valve and a gas distribution pipe. A circular hole is opened on one side wall of the cabinet, a mounting head is arranged on the outside of the circular hole and a metering valve is arranged on the outer side wall of the cabinet. The ends of the metering valve are sealed and installed with the gas distribution pipe.

[0014] Preferably, the upper side wall of the cabinet is rotatably connected to a cabinet cover via a hinge, and springs are symmetrically arranged on the side walls of the cabinet cover facing the inside of the cabinet, the ends of the springs are respectively fixedly mounted on the extrusion plates, and universal wheels with built-in braking functions are respectively arranged around the bottom surface of the cabinet.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] The utility model provides a clamping block inside the cabinet that can be adjusted according to the size of the gas cylinder to clamp and fix the gas cylinder, thereby preventing the gas cylinder from shaking during transportation. At the same time, a support seat is provided on the inner bottom surface of the cabinet, and a damper is provided inside the support seat to reduce shock to the gas cylinder above the support seat, thereby increasing the stability of the gas cylinder during transportation. At the same time, a fan is provided inside the directional groove opened on the side wall of the mounting plate arranged in the middle part of the cabinet to ensure the circulation of air inside the cabinet and the storage environment of the gas cylinder. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0018] Figure 2 This is a schematic diagram of the internal structure of the cabinet of the utility model;

[0019] Figure 3 This is a schematic diagram of the internal structure of the support seat of the utility model;

[0020] Figure 4 This is a schematic diagram of the position structure of the spring and the extrusion disk of the utility model;

[0021] Figure 5 This is a schematic diagram of the structure of the valve mechanism of the utility model;

[0022] Figure 6 This is a schematic diagram of the structure of the utility model when the dustproof net is pulled out.

[0023] In the figure: 1. cabinet body; 2. cabinet cover; 3. heat dissipation window; 4. dust screen; 5. universal wheel; 6. support seat; 7. mounting plate; 8. fan; 9. placement slot; 10. guide slot; 11. push rod; 12. clamping block; 13. anti-skid pad; 14. extrusion plate; 15. spring; 16. mounting head; 17. metering valve; 18. distribution pipe; 19. round hole; 20. slide slot; 21. spring plunger; 22. through hole; 23. damper. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figures 1 to 6 , the utility model provides a technical solution:

[0026] A gas distribution device for arsine mixed gas comprises a cabinet 1, a fixing mechanism, a ventilation mechanism and a gas distribution mechanism. The fixing mechanism and the ventilation mechanism are both arranged inside the cabinet 1. The fixing mechanism comprises push rods 11. The push rods 11 are symmetrically arranged on the inner walls of both sides of the cabinet 1, and two groups are arranged up and down. The inner rod ends of the multiple groups of push rods 11 are fixedly installed on the side walls of clamping blocks 12. A plurality of anti-slip pads 13 are arranged inside the opposite side walls of each two groups of clamping blocks 12. A buffer component is also arranged on the inner bottom surface of the cabinet 1.

[0027] The push rods 11 are symmetrically arranged on the inner wall of the cabinet 1, and two groups are arranged upper and lower, and the inner rod ends of the push rods 11 are fixedly installed on the side walls of the clamping blocks 12 respectively, and a plurality of groups of anti-slip pads 13 are arranged inside the opposite side walls of each two groups of clamping blocks 12 to increase the friction between the clamping blocks 12 and the gas cylinders, thereby ensuring the stability of the gas cylinders during transportation.

[0028] The buffer assembly includes a support seat 6, which is arranged on the inner bottom surface of the cabinet 1. The damper 23 is symmetrically arranged on the inner bottom surface of the cabinet 1. The top surface of the damper 23 is fixedly installed on the inner top surface of the support seat 6. A mounting plate 7 is arranged in the middle of the surface of the support seat 6, and the ventilation mechanism is fixedly installed on the mounting plate 7.

[0029] By symmetrically arranging the damper 23 on the surface of the cabinet 1 at the bottom of the support base 6, the damper 23 provides shock-absorbing support for the gas cylinder placed on the surface of the support base 6, thereby increasing the stability of the gas cylinder during transportation.

[0030] The ventilation mechanism includes a heat dissipation window 3, a dustproof net 4 and a fan 8. The heat dissipation window 3 is respectively opened on the side walls of the cabinet 1. The inside of the heat dissipation window 3 is respectively provided with a dustproof net 4. The fan 8 is installed in a square groove opened on the side wall of the mounting plate 7.

[0031] By symmetrically opening heat dissipation windows 3 on both sides of the cabinet 1 and placing a dustproof net 4 inside the heat dissipation window 3, and a fan 8 is arranged inside the square groove opened on the side wall of the mounting plate 7 arranged inside the cabinet 1, the air circulation inside the cabinet 1 is increased by starting the fan 8 to ensure the environment for gas cylinder storage.

[0032] One side of the heat dissipation window 3 passes through the side wall of the cabinet 1, and the inner wall of the heat dissipation window 3 is slidably connected to the dustproof net 4. The inner walls of the farther sides of the two groups of heat dissipation windows 3 are respectively provided with sliding grooves 20, and the inner walls of the sliding grooves 20 are slidably connected to the spring plunger 21. The spring plunger 21 is installed on the side wall of one end of the dustproof net 4. The side walls of the cabinet 1 are respectively provided with through holes 22, and the inner walls of the through holes 22 are clamped with the spring plunger 21.

[0033] By setting the dustproof net 4 to be detachable, it is convenient for workers to disassemble and clean the dustproof net 4, thereby increasing the service life of the dustproof net 4 and ensuring the air circulation inside the cabinet 1.

[0034] The surface of the support seat 6 is located on both sides of the mounting plate 7 and is provided with placement grooves 9 for placing gas cylinders. Guide grooves 10 are respectively provided below the inner walls on both sides of the cabinet 1. The side walls at both ends of the support seat 6 are slidably connected to the inner walls of the guide grooves 10.

[0035] The gas distribution mechanism includes a mounting head 16, a metering valve 17 and a gas distribution pipe 18. A circular hole 19 is opened on one side wall of the cabinet 1. The mounting head 16 is arranged outside the circular hole 19 and the metering valve 17 is arranged on the outer side wall of the cabinet 1. The ends of the metering valve 17 are sealed and installed with the gas distribution pipe 18 respectively.

[0036] A mounting head 16 is installed on the inner wall of the cabinet 1 and is located outside the circular hole 19. A metering valve 17 is provided on the outer wall of the cabinet 1 outside the circular hole 19. The output port of the metering valve 17 is sealed with both ends of the gas distribution pipe 18 to control the gas distribution ratio of the gas cylinder output from the cabinet 1 through the metering valve 17.

[0037] The upper side wall of the cabinet body 1 is rotatably connected to the cabinet cover 2 through a hinge. The side wall of the cabinet cover 2 facing the inside of the cabinet body 1 is symmetrically provided with springs 15. The ends of the springs 15 are respectively fixedly installed with the extrusion plates 14. Universal wheels 5 with built-in braking function are respectively provided around the bottom surface of the cabinet body 1.

[0038] A spring 15 is provided on the top surface of the cabinet cover 2 facing the interior of the cabinet body 1, and the ends of the spring 15 are fixedly mounted on the extrusion plate 14, so that by closing the cabinet cover 2 to the top of the cabinet body 1, the extrusion plate 14 is squeezed against the top of the gas cylinder, and the gas cylinder is pressed down and fixed by the extrusion plate 14, thereby further increasing the stability of the gas cylinder during transportation.

[0039] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations of the present invention. Ordinary technicians in this field can change, modify, replace and modify the above embodiments within the scope of the present invention.

Claims

1. A gas distribution device for arsine mixed gas, comprising a cabinet (1), a fixing mechanism, a ventilation mechanism and a gas distribution mechanism, characterized in that: The fixing mechanism and the ventilation mechanism are both arranged inside the cabinet (1). The fixing mechanism comprises push rods (11). The push rods (11) are symmetrically arranged on the inner walls of both sides of the cabinet (1), and two groups are arranged upper and lower. The inner rod ends of the multiple groups of push rods (11) are fixedly installed on the side walls of the clamping blocks (12). A plurality of anti-slip pads (13) are arranged inside the opposite side walls of each two groups of the clamping blocks (12). The inner bottom surface of the cabinet (1) is also provided with a buffer component.

2. A gas distribution device for arsine mixed gas according to claim 1, characterized in that: The buffer assembly comprises a support seat (6), the support seat (6) is arranged on the inner bottom surface of the cabinet (1), a damper (23) is symmetrically arranged on the inner bottom surface of the cabinet (1), the top surface of the damper (23) is fixedly mounted on the inner top surface of the support seat (6), a mounting plate (7) is arranged in the middle of the surface of the support seat (6), and the ventilation mechanism is fixedly mounted on the mounting plate (7).

3. A gas distribution device for arsine mixed gas according to claim 2, characterized in that: The ventilation mechanism comprises a heat dissipation window (3), a dustproof net (4) and a fan (8); the heat dissipation window (3) is respectively provided on the side walls of both sides of the cabinet (1); the inside of the heat dissipation window (3) is respectively provided with a dustproof net (4); and the fan (8) is installed in a square groove provided on the side wall of the mounting plate (7).

4. A gas distribution device for arsine mixed gas according to claim 3, characterized in that: One side of the heat dissipation window (3) penetrates the side wall of the cabinet (1); the inner wall of the heat dissipation window (3) is slidably connected to the dustproof net (4); the inner walls of the two groups of heat dissipation windows (3) on the far side are respectively provided with a slide groove (20); the inner wall of the slide groove (20) is slidably connected to a spring plunger (21); the spring plunger (21) is installed on one end side wall of the dustproof net (4); the side walls of the cabinet (1) are respectively provided with through holes (22); the inner wall of the through hole (22) is clamped with the spring plunger (21).

5. A gas distribution device for arsine mixed gas according to claim 4, characterized in that: The surface of the support seat (6) is provided with placement grooves (9) for placing gas cylinders on both sides of the mounting plate (7), and guide grooves (10) are provided below the inner walls on both sides of the cabinet (1), and the side walls at both ends of the support seat (6) are slidably connected to the inner walls of the guide grooves (10).

6. A gas distribution device for arsine mixed gas according to claim 5, characterized in that: The gas distribution mechanism comprises a mounting head (16), a metering valve (17) and a gas distribution pipe (18); a circular hole (19) is respectively opened on one side wall of the cabinet (1); a mounting head (16) is respectively arranged outside the circular hole (19) and located inside the cabinet (1); a metering valve (17) is respectively arranged outside the circular hole (19) and located on the outer side wall of the cabinet (1); and ends of the metering valve (17) are respectively sealed and installed with the gas distribution pipe (18).

7. A gas distribution device for arsine mixed gas according to claim 6, characterized in that: The upper side wall of the cabinet body (1) is rotatably connected to a cabinet cover (2) via a hinge, and the side wall of the cabinet cover (2) facing the inside of the cabinet body (1) is symmetrically provided with springs (15), and the ends of the springs (15) are respectively fixedly mounted on the extrusion disk (14), and universal wheels (5) with built-in braking functions are respectively provided around the bottom surface of the cabinet body (1).

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