Circulating purification type water-free and oxygen-free glove box

Abstract

The utility model provides a circulation purification type water-free oxygen-free glove box which comprises a box body, a transition assembly is installed on the box body, and the transition assembly comprises a transition cabin, a fixing frame, two pneumatic springs, a cabin shaft, a cross beam, a lead screw, a hook, an air inlet pipe and a vacuum pump. The two cabin covers are symmetrically attached to the two ends of the transition cabin. When articles are transferred through the transition cabin, the cabin cover outside the box body is opened firstly, the articles are placed in the transition cabin, then the cross beam is rotated to enable the cabin cover to reset and seal the transition cabin, and the transition cabin is sucked into a vacuum state under the action of the vacuum pump. A worker operates a handle in the box body through gloves on the box body, at the moment, articles in the transition cabin can be taken into the box body, and due to the fact that the interior of the transition cabin is in a vacuum state, oxygen cannot be introduced, and then the water-free and oxygen-free environment in the glove box cannot be affected.

Description

TECHNICAL FIELD

[0001] The utility model relates to a glove box, concretely is circulating purification formula anhydrous anaerobic glove box belongs to glove box technical field. BACKGROUND

[0002] The purification formula anhydrous anaerobic glove box, also known as vacuum glove box or inert gas protection box, fills the box with high-purity inert gas and circulates and filters, providing an anhydrous, anaerobic and dust-free ultra-pure environment for experiments. The glove box is equipped with an advanced gas purification system that can efficiently remove oxygen and moisture in the box. Through adsorption, catalysis and other purification methods, the oxygen content is reduced to a very low level. The purified gas returns to the box through the circulation system. This process is repeated until the water and oxygen content reaches a very low level. At the same time, inert gas is filled to reduce the oxygen and moisture content in the residual gas inside the glove box, thereby forming an anhydrous and anaerobic environment.

[0003] During operation of the purification formula anhydrous anaerobic glove box, when it is necessary to put in articles, external air inevitably penetrates into the internal space of the glove box. This air entering will interfere with the specific environment maintained in the glove box, thereby affecting the internal anhydrous and anaerobic environment of the glove box. Therefore, a circulating purification formula anhydrous anaerobic glove box is proposed. SUMMARY

[0004] Therefore, the utility model provides a circulating purification formula anhydrous anaerobic glove box to solve or alleviate the technical problems existing in the prior art, at least to provide a beneficial choice.

[0005] The technical scheme of the utility model embodiment is implemented as follows: a circulating purification formula anhydrous anaerobic glove box, comprising a box body, a transition assembly is installed on the box body, the transition assembly comprises a transition cabin, a fixing frame, two pneumatic springs, a cabin shaft, a cross beam, a lead screw, a hook, two cabin covers, a connecting pipe, an air inlet pipe and a vacuum pump;

[0006] The two cabin covers are symmetrically attached to the two ends of the transition cabin, one end of the lead screw is rotatably connected to the cabin cover, the lead screw is threadedly connected to the inside of the cross beam, one end of the cross beam is rotatably connected to the transition cabin through the cabin shaft, the other end of the cross beam is clamped to the hook, the hook is fixedly connected to the transition cabin, one end of the pneumatic spring is rotatably connected to the end of the cross beam close to the cabin shaft, the other end of the pneumatic spring is rotatably connected to the fixing frame, the fixing frame is fixedly connected to the transition cabin, the air inlet pipe is in communication with the air inlet of the vacuum pump, the air inlet pipe is in communication with the connecting pipe, and an oil mist filter is installed at the air outlet of the vacuum pump.

[0007] Further preferably, one end of the lead screw away from the hatch is fixedly connected with a handle, and one end of the connecting pipe away from the air inlet pipe is in communication with the transition cabin.

[0008] Further preferably, the transition cabin is fixedly connected to the inside of the box body, and one end of the other pneumatic spring is rotatably connected to the inner side wall of the box body.

[0009] Further preferably, the inside of the box body is fixedly connected with a sub-cabin, both ends of the sub-cabin are provided with sealing covers, and the connecting pipe is in communication with the sub-cabin through a three-way valve.

[0010] Further preferably, the lower surface of the box body is fixedly connected with a base, and the base is provided with a purification tank.

[0011] Further preferably, the inside of the purification tank is provided with a purification bottle and a gas cylinder, and the gas cylinder is in communication with the box body.

[0012] Further preferably, the air inlet of the purification bottle is in communication with the box body through a fan, and the air outlet of the purification bottle is in communication with the box body through a pipeline.

[0013] Further preferably, the front surface of the box body is provided with a glove mounting pipe, one side of the box body is provided with a touch screen, and the inner rear wall of the box body is provided with a storage rack.

[0014] The embodiment of the utility model has the following advantages due to the adoption of the above technical scheme.

[0015] When the box body is used to transfer articles through the transition cabin, the hatch outside the box body is first opened, the articles are put into the transition cabin, the cross beam is then rotated, the hatch is reset and the transition cabin is sealed, the vacuum pump is then controlled to work, under the action of the vacuum pump, the transition cabin is pumped into a vacuum state, the staff then operates the handle inside the box body through the glove on the box body, the hatch inside the box body is opened, the articles inside the transition cabin can be taken into the inside of the box body at this time, since the inside of the transition cabin is in a vacuum state, oxygen cannot be introduced, and thus the waterless and oxygen-free environment inside the glove box cannot be affected.

[0016] The above summary is only for the purpose of the description and is not intended to limit in any way. In addition to the above described illustrative aspects, embodiments and features, further aspects, embodiments and features of the utility model will be readily apparent from the drawings and the following detailed description. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description only constitute some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0018] Figure 1 The structural diagram of the utility model;

[0019] Figure 2 The box structure diagram of the utility model;

[0020] Figure 3 The transition assembly structure diagram of the utility model;

[0021] Figure 4 The transition cabin structure diagram of the utility model;

[0022] Figure 5 The schematic diagram of the air inlet pipe and the vacuum pump connection of the utility model.

[0023] Reference signs: 101, transition assembly; 11, transition cabin; 12, fixing frame; 13, pneumatic spring; 14, cabin shaft; 15, crossbeam; 16, handle; 17, screw rod; 18, hook; 19, cabin cover; 20, connecting pipe; 21, air inlet pipe; 22, vacuum pump; 23, oil mist filter; 31, box; 32, storage rack; 33, base; 34, gas cylinder; 35, purification bottle; 37, sealing cover; 38, auxiliary cabin; 39, touch screen; 40, purification box; 41, glove mounting pipe. DETAILED DESCRIPTION

[0024] In the following, only some exemplary embodiments are simply described. As those skilled in the art can recognize, the described embodiments can be modified in various different ways without departing from the spirit or scope of the utility model. Therefore, the drawings and description are considered to be exemplary in nature rather than limiting.

[0025] The embodiments of the utility model will be described in detail in combination with the drawings.

[0026] As Figures 1-5 shown, the utility model embodiment provides a kind of circulating purification formula anhydrous anaerobic glove box, including box 31, box 31 is installed with transition assembly 101, transition cabin 11 is fixedly connected to the inside of box 31, transition assembly 101 is used to realize the taking and placing of article, and the environment in box 31 will not be damaged in the process of taking and placing;

[0027] The transition assembly 101 comprises a transition cabin 11, a fixed frame 12, two pneumatic springs 13, a cabin shaft 14, a crossbeam 15, a lead screw 17, a hook 18, two cabin covers 19, a connecting pipe 20, an air inlet pipe 21 and a vacuum pump 22.

[0028] The two cabin covers 19 are symmetrically attached to the two ends of the transition cabin 11, one end of the lead screw 17 is rotationally connected with the cabin cover 19, the lead screw 17 is threadedly connected to the inside of the crossbeam 15, the end of the lead screw 17 away from the cabin cover 19 is fixedly connected with a handle 16, the handle 16 can drive the lead screw 17 to rotate, since the lead screw 17 is threadedly connected with the crossbeam 15, the lead screw 17 drives the cabin cover 19 to rotate when the lead screw 17 rotates, so that the cabin cover 19 moves away from or approaches the transition cabin 11, and the transition cabin 11 is opened or closed.

[0029] One end of the crossbeam 15 is rotationally connected with the transition cabin 11 through the cabin shaft 14, the other end of the crossbeam 15 is clamped with the hook 18, the hook 18 is fixedly connected with the transition cabin 11, one end of the pneumatic spring 13 is rotationally connected with the end of the crossbeam 15 close to the cabin shaft 14, the other end of one pneumatic spring 13 is rotationally connected with the fixed frame 12, the end of the other pneumatic spring 13 is rotationally connected to the inner side wall of the box body 31, the fixed frame 12 is fixedly connected with the transition cabin 11, the position of the crossbeam 15 can be limited through the hook 18, when the transition cabin 11 needs to be opened, the cabin cover 19 is driven away from the transition cabin 11 by the lead screw 17, then the crossbeam 15 is rotated, the crossbeam 15 rotates around the cabin shaft 14, the cabin cover 19 is driven by the lead screw 17, and the cabin cover 19 moves away from the transition cabin 11 under the pulling of the pneumatic spring 13, so that the transition cabin 11 is completely opened.

[0030] The air inlet pipe 21 is in communication with the air inlet of the vacuum pump 22, the air inlet pipe 21 is in communication with the connecting pipe 20, the oil mist filter 23 is installed at the air outlet of the vacuum pump 22, and the end of the connecting pipe 20 away from the air inlet pipe 21 is in communication with the transition cabin 11, so that the transition cabin 11 can be pumped into a vacuum state under the action of the vacuum pump 22, and then when the cabin cover 19 in the box body 31 is opened, the external air cannot affect the environment in the box body 31.

[0031] In one embodiment, the inside of the box body 31 is fixedly connected with a sub-cabin 38, the two ends of the sub-cabin 38 are both provided with sealing covers 37, the connecting pipe 20 is in communication with the sub-cabin 38 through a three-way valve, and the use method of the sub-cabin 38 is the same as that of the transition cabin 11, and the sub-cabin 38 is suitable for the transmission of small-volume articles.

[0032] In one embodiment, the lower surface of the box body 31 is fixedly connected with a base 33, the base 33 is provided with a purification box 40, the purification box 40 is internally provided with a purification bottle 35 and a gas bottle 34, the gas bottle 34 is in communication with the box body 31, and the gas bottle 34 internally stores high-pressure inert gas, so as to flush into the inside of the box body 31 to form an oxygen-free environment.

[0033] The air inlet of the purification bottle 35 is communicated with the box body 31 through a fan, the air outlet of the purification bottle 35 is communicated with the box body 31 through a pipeline, and the inside of the purification bottle 35 is provided with a bamboo charcoal column; under the action of the fan, the gas in the box body 31 enters the purification bottle 35, and is circulated to the inside of the box body 31 again after being adsorbed and purified; impurities and moisture in the gas can be removed through adsorption and purification, and efficient gas circulation can be realized.

[0034] In one embodiment, a glove mounting pipe 41 is mounted on the front surface of the box body 31, and is used for mounting gloves for the operator to operate; a touch screen 39 is mounted on one side of the box body 31; and a storage rack 32 is mounted on the inner rear wall of the box body 31, and can be used for placing articles in the box body 31.

[0035] When the utility model works: first, the transition cabin 11 is sealed by the two cabin covers 19, inert gas is released into the box body 31 by the gas cylinder 34, a water-free and oxygen-free environment is formed in the box body 31, then the article is transferred through the transition cabin 11, first, the outer handle 16 is rotated, the screw rod 17 drives the cabin cover 19 to move away from the transition cabin 11, then the cross beam 15 is rotated, the cabin cover 19 moves away from the transition cabin 11 under the pulling of the pneumatic spring 13, the transition cabin 11 is completely opened, at this time, the article is placed into the transition cabin 11, then the cross beam 15 is rotated, the cabin cover 19 is reset and the transition cabin 11 is sealed;

[0036] Then the vacuum pump 22 works, at this time, the transition cabin 11 is pumped into a vacuum state under the action of the vacuum pump 22;

[0037] Then the operator operates the handle 16 in the box body 31 through the gloves mounted on the glove mounting pipe 41, the cabin cover 19 in the box body 31 is opened, at this time, the article in the transition cabin 11 can be taken into the inside of the box body 31, because the inside of the transition cabin 11 is in a vacuum state, therefore, the outside air cannot enter the inside of the box body 31.

[0038] The above is only a specific embodiment of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can easily think of various changes or replacements within the technical range disclosed by the utility model, and these should be covered in the protection scope of the utility model. Therefore, the protection scope of the utility model should be subject to the protection scope of the claims.

Claims

1. A recirculating, purifying, water-free, oxygen-free glovebox comprising a box (31), characterized in that: A transition assembly (101) is installed on the box (31), the transition assembly (101) comprises a transition cabin (11), a fixing frame (12), two pneumatic springs (13), a cabin shaft (14), a crossbeam (15), a lead screw (17), a hook (18), two cabin covers (19), a connecting pipe (20), an air inlet pipe (21) and a vacuum pump (22); Two cabin covers (19) are symmetrically attached to both ends of the transition cabin (11), one end of the lead screw (17) is rotatably connected with the cabin cover (19), the lead screw (17) is threadedly connected to the inside of the crossbeam (15), one end of the crossbeam (15) is rotatably connected with the transition cabin (11) through the cabin shaft (14), the other end of the crossbeam (15) is clamped with the hook (18), the hook (18) is fixedly connected with the transition cabin (11), one end of the pneumatic spring (13) is rotatably connected with the crossbeam (15) close to the cabin shaft (14), the other end of the pneumatic spring (13) is rotatably connected with the fixing frame (12), the fixing frame (12) is fixedly connected with the transition cabin (11), the air inlet pipe (21) is in communication with the air inlet of the vacuum pump (22), the air inlet pipe (21) is in communication with the connecting pipe (20), and an oil mist filter (23) is installed at the air outlet of the vacuum pump (22).

2. A cyclically purged water and oxygen free glovebox as claimed in claim 1, wherein: One end of the lead screw (17) away from the cabin cover (19) is fixedly connected with a handle (16), and the other end of the connecting pipe (20) away from the air inlet pipe (21) is in communication with the transition cabin (11).

3. A recirculating-purification type waterless and oxygen-free glove box according to claim 2, characterized in that: The transition cabin (11) is fixedly connected to the inside of the box (31), and the other end of the pneumatic spring (13) is rotatably connected to the inner side wall of the box (31).

4. A recirculating, purifier-free, water-free, oxygen-free glovebox according to claim 1, wherein: A sub-cabin (38) is fixedly connected in the box (31), sealing covers (37) are installed at both ends of the sub-cabin (38), and the connecting pipe (20) is in communication with the sub-cabin (38) through a three-way valve.

5. A recirculating, purifier-free, water-free, oxygen-free glovebox according to claim 1, wherein: A base (33) is fixedly connected to the lower surface of the box (31), and a purification box (40) is installed on the base (33).

6. A recirculating-purification type waterless and oxygen-free glove box according to claim 5, characterized in that: A purification bottle (35) and a gas cylinder (34) are installed in the purification box (40), and the gas cylinder (34) is in communication with the box (31).

7. A recirculating-purification waterless oxygen-free glovebox according to claim 6, wherein: The air inlet of the purification bottle (35) is in communication with the box (31) through a fan, and the air outlet of the purification bottle (35) is in communication with the box (31) through a pipeline.

8. A cyclically purged water and oxygen free glovebox as claimed in claim 1, wherein: A glove installation pipe (41) is installed on the front surface of the box (31), a touch screen (39) is installed on one side of the box (31), and a storage rack (32) is installed on the inner back wall of the box (31).

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