CN111728396B

CN111728396B - Laboratory storage tank in adjustable space

Info

Publication number: CN111728396B
Application number: CN202010677588.XA
Authority: CN
Inventors: 冯文超; 袁意
Original assignee: Xin Yuanpeng
Current assignee: Xin Yuanpeng
Priority date: 2020-07-15
Filing date: 2020-07-15
Publication date: 2021-11-23
Anticipated expiration: 2040-07-15
Also published as: CN111728396A

Abstract

The invention belongs to the field of laboratory equipment, in particular to a laboratory storage box with adjustable space, aiming at the problems that the existing laboratory storage box is inconvenient to adjust the space and does not have ventilation function, the invention provides a scheme which comprises a main box body, wherein a first baffle plate is fixedly arranged on the inner wall of one side of the main box body, first sliding grooves are respectively arranged on one sides of the top and the bottom of the main box body, a first box body is arranged in the first sliding grooves in a sliding way, a second box body is arranged on one side of the first box body in a sliding way, second sliding grooves are respectively arranged on one sides of the top and the bottom of the second box body, the top and the bottom of the first box body are respectively connected with the inner walls of the two second sliding grooves in a sliding way, a rectangular block is fixedly arranged in the first box body, and second baffle plates are respectively and fixedly arranged on two sides of the rectangular block, the laboratory storage box can be convenient to adjust the space in the use process and has good ventilation effect, simple structure and convenient use.

Description

Laboratory storage tank in adjustable space

Technical Field

The invention relates to the technical field of laboratory equipment, in particular to a laboratory storage box with an adjustable space.

Background

The laboratory is the special space that supplies the researcher to study the operation usefulness, has article such as experimental apparatus, instrument, experimental material of many different doors class usually in the laboratory, and the laboratory storage tank is the best equipment utensil that is used for saving these unorganized article, has cleared up the space environment in laboratory.

The size of the storage space of the existing laboratory storage box is fixed, so that the storage box is easy to use and waste, the existing laboratory storage box does not have the good ventilation function and cannot simultaneously meet the storage requirements of different chemicals, and therefore the laboratory storage box with the adjustable space is provided for solving the problems.

Disclosure of Invention

The invention aims to solve the defects that a laboratory storage box is inconvenient to adjust space and does not have a ventilation function in the prior art, and provides the laboratory storage box with the adjustable space.

In order to achieve the purpose, the invention adopts the following technical scheme:

a laboratory storage box with adjustable space comprises a main box body, wherein a first baffle is fixedly arranged on the inner wall of one side of the main box body, first sliding grooves are formed in the top and one side of the bottom of the main box body respectively, a first box body is arranged in the first sliding grooves in a sliding manner, a second box body is arranged on one side of the first box body in a sliding manner, second sliding grooves are formed in the top and one side of the bottom of the second box body respectively, the top and the bottom of the first box body are respectively in sliding connection with the inner walls of the two second sliding grooves, a rectangular block is fixedly arranged in the first box body, second baffles are fixedly arranged on the two sides of the rectangular block respectively, third sliding grooves are formed in one side of each of the two first baffles, the outer sides of the two second baffles are respectively in sliding connection with the inner walls of the two third sliding grooves, rollers are rotatably arranged at the bottoms of the main box body and the second box body respectively, and fourth sliding grooves are formed in the bottoms of the main box body, the first box body and the second box body respectively, the supporting columns are slidably mounted in the three fourth sliding grooves, the first hollow grooves are formed in the main box body, first through holes are formed in the side walls and the inner wall of the bottom of each first hollow groove, the two first through holes are respectively communicated with the first sliding grooves and the fourth sliding grooves, the second hollow grooves and the third hollow grooves are formed in the second box body, second through holes are formed in the side walls and the inner wall of the bottom of each second hollow groove, the two second through holes are respectively communicated with the third hollow grooves and the fourth sliding grooves, the first rotating rods are rotatably mounted in the second through holes, the same third through hole is formed in the rectangular block and two sides of the two second baffles, the third through holes are respectively communicated with the two third sliding grooves, the fourth through holes are formed in the inner wall of the bottom of the third hollow groove and communicated with the second sliding grooves, the second rotating rods are rotatably mounted in the fourth through holes, the first threaded grooves are formed in one side of the top of the first box body, and the first threaded rods are mounted in the first threaded grooves in a threaded manner, one side fixed mounting of the main tank body has first motor, the output shaft of first motor and the one end fixed connection of first threaded rod, and the second thread groove has all been seted up at the top of three support column, and second threaded rod, third threaded rod and fourth threaded rod are installed to the interior difference screw thread of three second thread groove.

Preferably, a fourth dead slot is formed in the rectangular block, a second ventilation hole is formed in the side wall of the fourth dead slot, a fifth dead slot is formed in the side wall of the fourth dead slot, a second motor is fixedly mounted on the side wall of the fifth dead slot, a third rotating rod is fixedly connected with an output shaft of the second motor, two symmetrical fan blades are fixedly mounted on the outer side of the third rotating rod, a filter screen is fixedly mounted in the fourth dead slot, a fifth through hole is formed in the top of the first box body and communicated with the fourth dead slot, a fourth rotating rod is rotatably mounted in the fifth through hole, a purification box is fixedly mounted at the top of the first box body, and a disinfection lamp is fixedly mounted in the purification box.

Preferably, the fixed cover is equipped with first bevel gear on the first threaded rod, and the one end fixed mounting that the second threaded rod is located first dead slot has second bevel gear, first bevel gear and second bevel gear meshing, and first spout lateral wall fixed mounting has first bearing, the inner circle of first bearing and the outside fixed connection of first threaded rod, and the top inner wall fixed mounting of fourth spout has the second bearing, the inner circle of second bearing and the outside fixed connection of second threaded rod.

Preferably, a first gear is fixedly mounted at one end, located in the third through hole, of the third threaded rod, a first rack and a second rack are fixedly mounted on the side walls of the two third sliding grooves respectively, the first rack and the second rack are meshed with the first gear, a third bearing is fixedly mounted on the inner wall of the top of the fourth sliding groove, and an inner ring of the third bearing is fixedly connected with the outer side of the third threaded rod.

Preferably, a sixth through hole is formed in one side of the first box body, the sixth through hole is communicated with the second sliding groove, a third rack is fixedly mounted in the sixth through hole, a second gear is fixedly mounted at one end of the second rotating rod, the second gear is meshed with the third rack, a third bevel gear is fixedly mounted at one end of the second rotating rod, which is located in the third hollow groove, a fourth bevel gear is fixedly mounted at one end of the first rotating rod, which is located in the third hollow groove, the third bevel gear is meshed with the fourth bevel gear, a fourth bearing and a fifth bearing are fixedly mounted on the side wall and the inner wall of the bottom of the third hollow groove respectively, the inner ring of the fourth bearing is fixedly connected with the outer side of the first rotating rod, and the inner ring of the fifth bearing is fixedly connected with the outer side of the second rotating rod.

Preferably, a fifth bevel gear is fixedly mounted at one end of the first rotating rod, which is located in the second empty groove, a sixth bevel gear is fixedly mounted at one end of the fourth threaded rod, which is located in the second empty groove, the fifth bevel gear is meshed with the sixth bevel gear, a sixth bearing is fixedly mounted on the inner wall of the top of the fourth sliding groove, and the inner ring of the sixth bearing is fixedly connected with the outer side of the fourth threaded rod.

Preferably, the top of the purifying box is provided with a gas outlet, one side of the gas outlet is provided with a fifth chute, the fifth chute is internally provided with a sealing plate in a sliding manner, one side of the sealing plate is fixedly provided with a fourth rack, the sealing plate is sleeved with a spring, and two ends of the spring are respectively fixedly connected with one end of the fourth rack and one side of the gas outlet.

Preferably, a seventh bevel gear is fixedly sleeved on the third rotating rod, an eighth bevel gear is fixedly mounted at one end of the fourth rotating rod, which is located in the fourth empty groove, the seventh bevel gear is engaged with the eighth bevel gear, a sector gear is fixedly mounted at the other end of the fourth rotating rod, the sector gear is engaged with the fourth rack, a seventh bearing is fixedly mounted at the top of the first box body, and an inner ring of the seventh bearing is fixedly connected with the outer side of the fourth rotating rod.

Preferably, the top and the bottom of first box position in first spout all fixed mounting have first stopper, the outside of first stopper and the inner wall sliding connection of first spout, the top and the bottom of first box position in the second spout all fixed mounting have the second stopper, the outside of second stopper and the inner wall sliding connection of second spout, the top and the bottom of two second baffles position in the third spout all fixed mounting have the third stopper, the outside of third stopper and the inner wall sliding connection of third spout.

Preferably, first ventilation holes are formed in two sides of the rectangular block, and second ventilation holes are formed in the side wall of the fourth empty groove.

Compared with the prior art, the invention has the beneficial effects that:

1. this scheme can be through opening first motor, and then first bevel gear drives second bevel gear and rotates, and first rack drives first gear revolve, and first gear drives the second rack and removes, and the third rack drives second gear revolve, and third bevel gear drives fourth bevel gear and rotates, and fifth bevel gear drives sixth bevel gear and rotates to be convenient for adjust the space of storage tank.

2. This scheme can be through opening the second motor, and then the third bull stick drives two flabellums and rotates, and seventh bevel gear drives eighth bevel gear and rotates, and sector gear drives the fourth rack and removes to can improve the ventilation effect of storage tank.

3. This scheme can be through opening first motor, and then first bevel gear drives second bevel gear and rotates, and first rack drives first gear revolve, and first gear drives the second rack and removes, and the third rack drives second gear revolve, and third bevel gear drives fourth bevel gear and rotates, and fifth bevel gear drives sixth bevel gear and rotates, and second threaded rod, third threaded rod, fourth threaded rod drive three support column respectively and remove to can conveniently carry the storage tank.

The invention can conveniently adjust the space in the using process of the laboratory storage box, has good ventilation effect, simple structure and convenient use.

Drawings

FIG. 1 is a schematic structural view of a laboratory storage box with adjustable space according to the present invention;

FIG. 2 is an enlarged schematic structural view of part A of FIG. 1 of a laboratory storage box with adjustable space according to the present invention;

FIG. 3 is an enlarged schematic structural view of a portion B of the laboratory storage box with an adjustable space in FIG. 1 according to the present invention;

FIG. 4 is a schematic structural view of the first rack, the second rack and the first gear of the laboratory storage box with adjustable space according to the present invention;

fig. 5 is a schematic structural view of a space-adjustable sector gear and a fourth rack of a laboratory storage box according to the present invention.

In the figure: the device comprises a main box body 1, a support column 2, a first baffle plate 3, a first box body 4, a first threaded rod 5, a second threaded rod 6, a first motor 7, a first bevel gear 8, a second bevel gear 9, a rectangular block 10, a third threaded rod 11, a second baffle plate 12, a roller 13, a first rack 14, a second rack 15, a first gear 16, a second box body 17, a fourth threaded rod 18, a first rotating rod 19, a fifth bevel gear 20, a sixth bevel gear 21, a third bevel gear 22, a fourth bevel gear 23, a second rotating rod 24, a third rack 25, a second gear 26, a second motor 27, a third rotating rod 28, fan blades 29, a filter screen 30, a seventh bevel gear 31, an eighth bevel gear 32, a purifying box 33, a sterilizing lamp 34, an air outlet 35, a sealing plate 36, a spring 37, a fourth rack 38, a sector gear 39 and a fourth rotating rod 40.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Example one

Referring to fig. 1-5, a laboratory storage box with adjustable space comprises a main box body 1, a first baffle 3 is fixedly installed on the inner wall of one side of the main box body 1, first chutes are respectively formed on one side of the top and the bottom of the main box body 1, a first box body 4 is slidably installed in the first chutes, a second box body 17 is slidably installed on one side of the first box body 4, second chutes are respectively formed on one side of the top and the bottom of the second box body 17, the top and the bottom of the first box body 4 are respectively slidably connected with the inner walls of the two second chutes, a rectangular block 10 is fixedly installed in the first box body 4, second baffles 12 are respectively fixedly installed on both sides of the rectangular block 10, third chutes are respectively formed on one side of the two first baffles 3, the outer sides of the two second baffles 12 are respectively slidably connected with the inner walls of the two third chutes, rollers 13 are rotatably installed on the bottoms of the main box body 1 and the second box body 17, the bottom of the main box body 1, the bottom of the first box body 4 and the bottom of the second box body 17 are respectively provided with a fourth sliding groove, the three fourth sliding grooves are respectively provided with a support column 2 in a sliding way, the main box body 1 is internally provided with a first empty groove, the side wall and the bottom inner wall of the first empty groove are respectively provided with a first through hole, the two first through holes are respectively communicated with the first sliding groove and the fourth sliding groove, the second box body 17 is internally provided with a second empty groove and a third empty groove, the side wall and the bottom inner wall of the second empty groove are respectively provided with a second through hole, the two second through holes are respectively communicated with the third empty groove and the fourth sliding groove, the first rotating rod 19 is rotatably arranged in the second through hole, the rectangular block 10 and two sides of the two second baffles 12 are respectively provided with the same third through hole, the third through holes are respectively communicated with the two third sliding grooves, the bottom inner wall of the third empty groove is provided with a fourth through hole, the fourth through hole is communicated with the second sliding groove, and a second rotating rod 24 is rotatably arranged in the fourth through hole, first thread groove has been seted up to top one side of first box 4, and first threaded rod 5 is installed to first thread groove internal thread, and one side fixed mounting of main tank body 1 has first motor 7, the output shaft of first motor 7 and the one end fixed connection of first threaded rod 5, and the second thread groove has all been seted up at the top of three support column 2, and second threaded rod 6, third threaded rod 11 and fourth threaded rod 18 are installed to the difference screw thread in the three second thread groove.

In this embodiment, a fourth empty slot is formed in the rectangular block 10, a second ventilation hole is formed in a side wall of the fourth empty slot, a fifth empty slot is formed in a side wall of the fourth empty slot, a second motor 27 is fixedly mounted on a side wall of the fifth empty slot, a third rotating rod 28 is fixedly connected to an output shaft of the second motor 27, two symmetrical fan blades 29 are fixedly mounted on an outer side of the third rotating rod 28, a filter screen 30 is fixedly mounted in the fourth empty slot, a fifth through hole is formed in the top of the first box 4, the fifth through hole is communicated with the fourth empty slot, a fourth rotating rod 40 is rotatably mounted in the fifth through hole, a purification box 33 is fixedly mounted at the top of the first box 4, and a disinfection lamp 34 is fixedly mounted in the purification box 33.

In this embodiment, a first bevel gear 8 is fixedly sleeved on the first threaded rod 5, a second bevel gear 9 is fixedly mounted at one end of the second threaded rod 6 located in the first empty groove, the first bevel gear 8 is engaged with the second bevel gear 9, a first bearing is fixedly mounted on a side wall of the first sliding groove, an inner ring of the first bearing is fixedly connected with an outer side of the first threaded rod 5, a second bearing is fixedly mounted on an inner wall of a top portion of the fourth sliding groove, and an inner ring of the second bearing is fixedly connected with an outer side of the second threaded rod 6.

In this embodiment, a first gear 16 is fixedly installed at one end of the third threaded rod 11 located in the third through hole, a first rack 14 and a second rack 15 are respectively fixedly installed on the side walls of the two third sliding grooves, the first rack 14 and the second rack 15 are engaged with the first gear 16, a third bearing is fixedly installed on the inner wall of the top of the fourth sliding groove, and an inner ring of the third bearing is fixedly connected with the outer side of the third threaded rod 11.

In this embodiment, a sixth through hole is formed in one side of the first box 4, the sixth through hole is communicated with the second sliding groove, a third rack 25 is fixedly installed in the sixth through hole, a second gear 26 is fixedly installed at one end of the second rotating rod 24, the second gear 26 is meshed with the third rack 25, a third bevel gear 22 is fixedly installed at one end of the second rotating rod 24 located in the third hollow groove, a fourth bevel gear 23 is fixedly installed at one end of the first rotating rod 19 located in the third hollow groove, the third bevel gear 22 is meshed with the fourth bevel gear 23, a fourth bearing and a fifth bearing are fixedly installed on the side wall and the inner bottom wall of the third hollow groove respectively, the inner ring of the fourth bearing is fixedly connected with the outer side of the first rotating rod 19, and the inner ring of the fifth bearing is fixedly connected with the outer side of the second rotating rod 24.

In this embodiment, a fifth bevel gear 20 is fixedly mounted at one end of the first rotating rod 19 located in the second empty slot, a sixth bevel gear 21 is fixedly mounted at one end of the fourth threaded rod 18 located in the second empty slot, the fifth bevel gear 20 is meshed with the sixth bevel gear 21, a sixth bearing is fixedly mounted on the inner wall of the top of the fourth chute, and the inner ring of the sixth bearing is fixedly connected with the outer side of the fourth threaded rod 18.

In this embodiment, the top of the purifying box 33 has an air outlet 35, one side of the air outlet 35 has a fifth chute, the fifth chute has a sealing plate 36 slidably mounted therein, one side of the sealing plate 36 has a fourth rack 38, the sealing plate 36 is sleeved with a spring 37, and two ends of the spring 37 are respectively fixedly connected to one end of the fourth rack 38 and one side of the air outlet 35.

In this embodiment, a seventh bevel gear 31 is fixedly sleeved on the third rotating rod 28, an eighth bevel gear 32 is fixedly installed at one end of the fourth rotating rod 40 located in the fourth empty slot, the seventh bevel gear 31 is engaged with the eighth bevel gear 32, a sector gear 39 is fixedly installed at the other end of the fourth rotating rod 40, the sector gear 39 is engaged with the fourth rack 38, a seventh bearing is fixedly installed at the top of the first box 4, and an inner ring of the seventh bearing is fixedly connected with the outer side of the fourth rotating rod 40.

In this embodiment, the top and the bottom that first box 4 is located first spout all fixed mounting have first stopper, the outside of first stopper and the inner wall sliding connection of first spout, the top and the bottom that first box 4 is located the second spout all fixed mounting have the second stopper, the outside of second stopper and the inner wall sliding connection of second spout, the top and the bottom that two second baffles 12 are located the third spout all fixed mounting have the third stopper, the outside of third stopper and the inner wall sliding connection of third spout.

In this embodiment, first ventilation holes are formed in two sides of the rectangular block 10, and second ventilation holes are formed in the side wall of the fourth empty groove.

Example two

Referring to fig. 1-5, a laboratory storage box with adjustable space comprises a main box body 1, a first baffle 3 is fixedly installed on the inner wall of one side of the main box body 1 through welding, first chutes are respectively formed on one side of the top and the bottom of the main box body 1, a first box body 4 is slidably installed in the first chutes, a second box body 17 is slidably installed on one side of the first box body 4, second chutes are respectively formed on one side of the top and the bottom of the second box body 17, the top and the bottom of the first box body 4 are respectively slidably connected with the inner walls of the two second chutes, a rectangular block 10 is fixedly installed in the first box body 4 through welding, second baffles 12 are respectively fixedly installed on the two sides of the rectangular block 10 through welding, third chutes are respectively formed on one side of the two first baffles 3, the outer sides of the two second baffles 12 are respectively slidably connected with the inner walls of the two third chutes, rollers 13 are rotatably installed on the bottoms of the main box body 1 and the second box body 17, the bottom of the main box body 1, the bottom of the first box body 4 and the bottom of the second box body 17 are respectively provided with a fourth sliding groove, the three fourth sliding grooves are respectively provided with a support column 2 in a sliding way, the main box body 1 is internally provided with a first empty groove, the side wall and the bottom inner wall of the first empty groove are respectively provided with a first through hole, the two first through holes are respectively communicated with the first sliding groove and the fourth sliding groove, the second box body 17 is internally provided with a second empty groove and a third empty groove, the side wall and the bottom inner wall of the second empty groove are respectively provided with a second through hole, the two second through holes are respectively communicated with the third empty groove and the fourth sliding groove, the first rotating rod 19 is rotatably arranged in the second through hole, the rectangular block 10 and two sides of the two second baffles 12 are respectively provided with the same third through hole, the third through holes are respectively communicated with the two third sliding grooves, the bottom inner wall of the third empty groove is provided with a fourth through hole, the fourth through hole is communicated with the second sliding groove, and a second rotating rod 24 is rotatably arranged in the fourth through hole, first thread groove has been seted up to top one side of first box 4, and first threaded rod 5 is installed to first thread groove internal thread, and welding fixed mounting has first motor 7 in one side of the main tank body 1, and welding fixed connection is passed through to the output shaft of first motor 7 and the one end of first threaded rod 5, and the second thread groove has all been seted up at the top of three support column 2, and second threaded rod 6, third threaded rod 11 and fourth threaded rod 18 are installed to the difference screw thread in the three second thread groove.

In this embodiment, a fourth empty slot is formed in the rectangular block 10, a second ventilation hole is formed in a side wall of the fourth empty slot, a fifth empty slot is formed in a side wall of the fourth empty slot, a second motor 27 is fixedly mounted on a side wall of the fifth empty slot by welding, an output shaft of the second motor 27 is fixedly connected with a third rotating rod 28 by welding, two symmetrical fan blades 29 are fixedly mounted on an outer side of the third rotating rod 28 by welding, a filter screen 30 is fixedly mounted in the fourth empty slot by welding, a fifth through hole is formed in the top of the first box 4, the fifth through hole is communicated with the fourth empty slot, a fourth rotating rod 40 is rotatably mounted in the fifth through hole, a purification box 33 is fixedly mounted on the top of the first box 4 by welding, and a disinfection lamp 34 is fixedly mounted in the purification box 33 by welding, when the second motor 27 is turned on, the third rotating rod 28 can drive the two fan blades 29 to rotate, and the wind generated by the two fan blades 29 can extract harmful gas in the storage box.

In this embodiment, the first threaded rod 5 is provided with the first bevel gear 8 through a welding fixing sleeve, the second bevel gear 9 is installed through welding fixed mounting at one end of the second threaded rod 6 located in the first empty groove, the first bevel gear 8 is meshed with the second bevel gear 9, the first sliding groove side is provided with the first bearing through a welding wall fixed mounting, the inner ring of the first bearing is connected with the outer side of the first threaded rod 5 through welding fixed mounting, the top inner wall of the fourth sliding groove is provided with the second bearing through welding fixed mounting, the inner ring of the second bearing is connected with the outer side of the second threaded rod 6 through welding fixed mounting, when the first threaded rod 5 and the second threaded rod 6 rotate, the first bearing and the second bearing respectively play a role of stabilizing the first threaded rod 5 and the second threaded rod 6.

In this embodiment, a first gear 16 is installed at one end of the third threaded rod 11 located in the third through hole through welding, a first rack 14 and a second rack 15 are installed on the side walls of the two third sliding grooves through welding, the first rack 14 and the second rack 15 are meshed with the first gear 16, a third bearing is installed on the inner wall of the top of the fourth sliding groove through welding, the inner ring of the third bearing is connected with the outer side of the third threaded rod 11 through welding, and when the third threaded rod 11 rotates, the third bearing plays a role in stabilizing the third threaded rod 11.

In this embodiment, a sixth through hole is formed in one side of the first box 4, the sixth through hole is communicated with the second sliding groove, a third rack 25 is fixedly installed in the sixth through hole by welding, a second gear 26 is fixedly installed at one end of the second rotating rod 24 by welding, the second gear 26 is meshed with the third rack 25, a third bevel gear 22 is fixedly installed at one end of the second rotating rod 24 located in the third hollow groove by welding, a fourth bevel gear 23 is fixedly installed at one end of the first rotating rod 19 located in the third hollow groove by welding, the third bevel gear 22 is meshed with the fourth bevel gear 23, a fourth bearing and a fifth bearing are fixedly installed on the side wall and the inner wall of the bottom of the third hollow groove by welding respectively, the outer side of the inner ring of the fourth bearing is fixedly connected with the outer side of the first rotating rod 19 by welding, the inner ring of the fifth bearing is fixedly connected with the outer side of the second rotating rod 24 by welding, when the first rotating rod 19 and the second rotating rod 24 rotate, the fourth bearing and the fifth bearing serve to stabilize the first rotating rod 19 and the second rotating rod 24, respectively.

In this embodiment, a fifth bevel gear 20 is fixedly mounted at one end of the first rotating rod 19 located in the second empty groove by welding, a sixth bevel gear 21 is fixedly mounted at one end of the fourth threaded rod 18 located in the second empty groove by welding, the fifth bevel gear 20 is meshed with the sixth bevel gear 21, a sixth bearing is fixedly mounted on the inner wall of the top of the fourth empty groove by welding, the inner ring of the sixth bearing is fixedly connected with the outer side of the fourth threaded rod 18 by welding, and when the fourth threaded rod 18 rotates, the sixth bearing plays a role in stabilizing the fourth threaded rod 18.

In this embodiment, gas outlet 35 has been seted up at the top of purifying box 33, the fifth spout has been seted up to one side of gas outlet 35, slidable mounting has sealing plate 36 in the fifth spout, there is fourth rack 38 one side through sealing plate 36 through welded fastening, the cover is equipped with spring 37 on the sealing plate 36, spring 37's both ends respectively with the one end of fourth rack 38 and the setting of one side through welded fastening connection of gas outlet 35, sealing plate 36 can play the effect that control gas stopped in purifying box 33.

In this embodiment, the third rotating rod 28 is sleeved with a seventh bevel gear 31 through welding, one end of the fourth rotating rod 40 located in the fourth hollow groove is provided with an eighth bevel gear 32 through welding, the seventh bevel gear 31 is meshed with the eighth bevel gear 32, the other end of the fourth rotating rod 40 is provided with a sector gear 39 through welding, the sector gear 39 is meshed with the fourth rack 38, the top of the first box 4 is provided with a seventh bearing through welding, the inner ring of the seventh bearing is connected with the outer side of the fourth rotating rod 40 through welding, and when the fourth rotating rod 40 rotates, the seventh bearing plays a role in stabilizing the fourth rotating rod 40.

In this embodiment, first box 4 is located the top and the bottom of first spout and all installs first stopper through welded fastening, the outside of first stopper and the inner wall sliding connection of first spout, top and the bottom that first box 4 is located the second spout all install the second stopper through welded fastening, the outside of second stopper and the inner wall sliding connection of second spout, the top and the bottom that two second baffles 12 are located the third spout all install the third stopper through welded fastening, the outside of third stopper and the inner wall sliding connection of third spout, first stopper, the second stopper, the third stopper plays firm main tank body 1 respectively, the effect of first box 4 and second box 17.

In this embodiment, first ventilation holes are opened through both sides of the rectangular block 10, and the side wall of the fourth empty groove is opened with the second ventilation holes, so that the effect of improving the ventilation effect can be achieved.

In the invention, when in use, the first motor 7 is turned on, the first motor 7 drives the first threaded rod 5 to rotate, the first threaded rod 5 drives the first box body 4 to move, the first rack 14 drives the first gear 16 to rotate, the first gear 16 drives the second rack 15 to move, the second rack 15 drives the second box body 17 to move, simultaneously the first bevel gear 8 drives the second bevel gear 9 to rotate, the second bevel gear 9 drives the second threaded rod 6 to rotate, the first gear 16 drives the third threaded rod 11 to rotate, the third rack 25 drives the second gear 26 to rotate, the second gear 26 drives the second rotating rod 24 to rotate, the second rotating rod 24 drives the third bevel gear 22 to rotate, the third bevel gear 22 drives the fourth bevel gear 23 to rotate, the fourth bevel gear 23 drives the first rotating rod 19 to rotate, the first rotating rod 19 drives the fifth bevel gear 20 to rotate, the fifth bevel gear 20 drives the sixth bevel gear 21 to rotate, the sixth bevel gear 21 drives the fourth threaded rod 18 to rotate, the second threaded rod 6, the third threaded rod 11 and the fourth threaded rod 18 respectively drive the three support columns 2 to move, so that the storage box can be unfolded for use, then the second motor 27 is started, the second motor 27 drives the third rotating rod 28 to rotate, the third rotating rod 28 drives the two fan blades 29 to rotate, meanwhile, the seventh bevel gear 31 drives the eighth bevel gear 32 to rotate, the eighth bevel gear 28 drives the fourth rotating rod 40 to rotate, the fourth rotating rod 40 drives the sector gear 39 to rotate, the sector gear 39 drives the fourth rack 38 to move, the fourth rack 38 drives the spring 37 and the sealing plate 36 to move, so that harmful gas in the storage box can be purified and discharged, when the storage box is not used, the first motor 7 is started to rotate in a reverse direction by closing the second motor 27, the first motor 7 drives the first threaded rod 5 to rotate, the first threaded rod 5 drives the first box body 4 to move, the first rack 14 drives the first gear 16 to rotate, the first gear 16 drives the second rack 15 to move, the second rack 15 drives the second box 17 to move, simultaneously the first bevel gear 8 drives the second bevel gear 9 to rotate, the second bevel gear 9 drives the second threaded rod 6 to rotate, the first gear 16 drives the third threaded rod 11 to rotate, the third rack 25 drives the second gear 26 to rotate, the second gear 26 drives the second rotating rod 24 to rotate, the second rotating rod 24 drives the third bevel gear 22 to rotate, the third bevel gear 22 drives the fourth bevel gear 23 to rotate, the fourth bevel gear 23 drives the first rotating rod 19 to rotate, the first rotating rod 19 drives the fifth bevel gear 20 to rotate, the fifth bevel gear 20 drives the sixth bevel gear 21 to rotate, the sixth bevel gear 21 drives the fourth threaded rod 18 to rotate, the second threaded rod 6, the third threaded rod 11 and the fourth threaded rod 18 respectively drive the three support posts 2 to move, thereby reducing the occupied space and facilitating the carrying.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. A laboratory storage box with adjustable space comprises a main box body (1) and is characterized in that a first baffle (3) is fixedly arranged on the inner wall of one side of the main box body (1), first sliding grooves are formed in the top and one side of the bottom of the main box body (1), a first box body (4) is slidably arranged in the first sliding grooves, a second box body (17) is slidably arranged on one side of the first box body (4), second sliding grooves are formed in the top and one side of the bottom of the second box body (17), the top and the bottom of the first box body (4) are respectively slidably connected with the inner walls of the two second sliding grooves, a rectangular block (10) is fixedly arranged in the first box body (4), second baffles (12) are fixedly arranged on the two sides of the rectangular block (10), third sliding grooves are formed in the one sides of the two first baffles (3), the outer sides of the two second baffles (12) are respectively slidably connected with the inner walls of the two third sliding grooves, the bottom of the main box body (1) and the bottom of the second box body (17) are respectively rotatably provided with a roller (13), the bottom of the main box body (1), the bottom of the first box body (4) and the bottom of the second box body (17) are respectively provided with a fourth sliding chute, a support column (2) is respectively and slidably arranged in the three fourth sliding chutes, a first hollow groove is arranged in the main box body (1), the side wall and the bottom inner wall of the first hollow groove are respectively provided with a first through hole, the two first through holes are respectively communicated with the first sliding chute and the fourth sliding chute, a second hollow groove and a third hollow groove are arranged in the second box body (17), the side wall and the bottom inner wall of the second hollow groove are respectively provided with a second through hole, the two second through holes are respectively communicated with the third hollow groove and the fourth sliding chute, a first rotating rod (19) is rotatably arranged in the second through holes, the rectangular block (10) and two sides of the two second baffle plates (12) are respectively provided with the same third through hole, and the third through holes are respectively communicated with the two third sliding chutes, a fourth through hole is formed in the inner wall of the bottom of the third empty groove and is communicated with the second sliding groove, a second rotating rod (24) is rotatably mounted in the fourth through hole, a first threaded groove is formed in one side of the top of the first box body (4), a first threaded rod (5) is mounted in the first threaded groove in a threaded manner, a first motor (7) is fixedly mounted on one side of the main box body (1), an output shaft of the first motor (7) is fixedly connected with one end of the first threaded rod (5), second threaded grooves are formed in the tops of the three support columns (2), and a second threaded rod (6), a third threaded rod (11) and a fourth threaded rod (18) are respectively mounted in the three second threaded grooves in a threaded manner;

a fourth empty groove is formed in the rectangular block (10), a second ventilation hole is formed in the side wall of the fourth empty groove, a fifth empty groove is formed in the side wall of the fourth empty groove, a second motor (27) is fixedly mounted on the side wall of the fifth empty groove, a third rotating rod (28) is fixedly connected with an output shaft of the second motor (27), two symmetrical fan blades (29) are fixedly mounted on the outer side of the third rotating rod (28), a filter screen (30) is fixedly mounted in the fourth empty groove, a fifth through hole is formed in the top of the first box body (4), the fifth through hole is communicated with the fourth empty groove, a fourth rotating rod (40) is rotatably mounted in the fifth through hole, a purification box (33) is fixedly mounted at the top of the first box body (4), and a disinfection lamp (34) is fixedly mounted in the purification box (33);

a first bevel gear (8) is fixedly sleeved on the first threaded rod (5), a second bevel gear (9) is fixedly mounted at one end, located in the first empty groove, of the second threaded rod (6), the first bevel gear (8) is meshed with the second bevel gear (9), a first bearing is fixedly mounted on the side wall of the first sliding groove, the inner ring of the first bearing is fixedly connected with the outer side of the first threaded rod (5), a second bearing is fixedly mounted on the inner wall of the top of the fourth sliding groove, and the inner ring of the second bearing is fixedly connected with the outer side of the second threaded rod (6);

a first gear (16) is fixedly mounted at one end, located in the third through hole, of the third threaded rod (11), a first rack (14) and a second rack (15) are fixedly mounted on the side walls of the two third sliding grooves respectively, the first rack (14) and the second rack (15) are meshed with the first gear (16), a third bearing is fixedly mounted on the inner wall of the top of the fourth sliding groove, and the inner ring of the third bearing is fixedly connected with the outer side of the third threaded rod (11);

a sixth through hole is formed in one side of the first box body (4), the sixth through hole is communicated with the second sliding groove, a third rack (25) is fixedly installed in the sixth through hole, a second gear (26) is fixedly installed at one end of a second rotating rod (24), the second gear (26) is meshed with the third rack (25), a third bevel gear (22) is fixedly installed at one end, located in the third hollow groove, of the second rotating rod (24), a fourth bevel gear (23) is fixedly installed at one end, located in the third hollow groove, of the first rotating rod (19), the third bevel gear (22) is meshed with the fourth bevel gear (23), a fourth bearing and a fifth bearing are fixedly installed on the side wall and the inner wall of the bottom of the third hollow groove respectively, the inner ring of the fourth bearing is fixedly connected with the outer side of the first rotating rod (19), and the inner ring of the fifth bearing is fixedly connected with the outer side of the second rotating rod (24);

a fifth bevel gear (20) is fixedly mounted at one end, located in the second empty groove, of the first rotating rod (19), a sixth bevel gear (21) is fixedly mounted at one end, located in the second empty groove, of the fourth threaded rod (18), the fifth bevel gear (20) is meshed with the sixth bevel gear (21), a sixth bearing is fixedly mounted on the inner wall of the top of the fourth empty groove, and the inner ring of the sixth bearing is fixedly connected with the outer side of the fourth threaded rod (18);

the top of the purification box (33) is provided with an air outlet (35), one side of the air outlet (35) is provided with a fifth sliding groove, a sealing plate (36) is arranged in the fifth sliding groove in a sliding mode, one side of the sealing plate (36) is fixedly provided with a fourth rack (38), the sealing plate (36) is sleeved with a spring (37), and two ends of the spring (37) are fixedly connected with one end of the fourth rack (38) and one side of the air outlet (35) respectively;

a seventh bevel gear (31) is fixedly sleeved on the third rotating rod (28), an eighth bevel gear (32) is fixedly installed at one end, located in the fourth empty groove, of the fourth rotating rod (40), the seventh bevel gear (31) is meshed with the eighth bevel gear (32), a sector gear (39) is fixedly installed at the other end of the fourth rotating rod (40), the sector gear (39) is meshed with a fourth rack (38), a seventh bearing is fixedly installed at the top of the first box body (4), and an inner ring of the seventh bearing is fixedly connected with the outer side of the fourth rotating rod (40);

the top and the bottom of the first box body (4) in the first sliding groove are both fixedly provided with a first limiting block, the outer side of the first limiting block is connected with the inner wall of the first sliding groove in a sliding manner, the top and the bottom of the first box body (4) in the second sliding groove are both fixedly provided with a second limiting block, the outer side of the second limiting block is connected with the inner wall of the second sliding groove in a sliding manner, the top and the bottom of the two second baffles (12) in the third sliding groove are both fixedly provided with a third limiting block, and the outer side of the third limiting block is connected with the inner wall of the third sliding groove in a sliding manner;

first ventilation holes are formed in two sides of the rectangular block (10), and second ventilation holes are formed in the side wall of the fourth empty groove.