CN213409765U

CN213409765U - Exhaust type numerical control fume chamber for biochemical experiments

Info

Publication number: CN213409765U
Application number: CN202022232304.4U
Authority: CN
Inventors: 谭小珍; 李爽
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-09
Filing date: 2020-10-09
Publication date: 2021-06-11
Anticipated expiration: 2030-10-09

Abstract

The utility model discloses an exhaust formula numerical control fume chamber for biochemical experiments, the intelligent cabinet temperature adjusting device comprises a cabinet body, cabinet body upper end lateral wall sliding connection has the glass door, two sliding sleeve of cabinet body inside wall fixedly connected with, two sliding sleeve all sliding connection has the rectangle slider, be equipped with stop gear in the rectangle slider, rectangle slider upper end fixedly connected with lifter, lifter upper end fixedly connected with telescopic sleeve, sliding connection has the pin in the telescopic sleeve. The utility model discloses a set up rectangle slider, pin and stop gear, make the glass door can support at suitable height, avoided the glass door accident to fall and made the experimenter hand crush injury, improve the security of device, simultaneously through setting up air intake, fan, tonifying wind groove, tonifying wind mouth and aviation baffle, make the internal mobile air of cabinet sufficient and flow discharge smoothly, improve the practicality of device.

Description

Exhaust type numerical control fume chamber for biochemical experiments

Technical Field

The utility model relates to a fume chamber technical field specifically is an exhaust formula numerical control fume chamber for biochemical experiments.

Background

In the biochemical laboratory, produce various harmful gas, foul smell, moisture and easily fire, explosive, corrosive substance during experimental operation, in order to protect user's safety, prevent that the pollutant in the experiment from to the laboratory diffusion, will use exhaust formula numerical control fume chamber near the pollution source, current exhaust formula numerical control fume chamber has can satisfy biochemical experiment's daily use demand basically, still has some weak points and needs the improvement.

When using the fume chamber, will generally put glass door as far as possible low, the experimenter stretches out the hand and passes through the door and get into in the cabinet and experiment, so, when the glass door accident falls, can weigh the experimenter's hand, some exhaust formula numerical control fume chamber do not have the mechanism that prevents the unexpected fall of glass door, in addition, because the glass door is as far as possible put low, cause inlet air duct narrow, make the vent during operation can cause the interior pressure change of cabinet, thereby influence the experiment, some exhaust formula numerical control fume chamber do not have effectual air supplement function, consequently, need an exhaust formula numerical control fume chamber for biochemical experiment to solve above-mentioned problem urgently.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an exhaust formula numerical control fume chamber for biochemical experiments to solve some exhaust formula numerical control fume chamber that proposes in the above-mentioned background art and do not have the mechanism that prevents the accident of glass door and fall and do not have the problem of effectual benefit wind function.

In order to achieve the above object, the utility model provides a following technical scheme: an exhaust type numerical control fume hood for biochemical experiments comprises a hood body, wherein the side wall of the upper end of the hood body is connected with a vertically arranged glass door in a sliding way, two sliding sleeves which are vertically and symmetrically arranged are fixedly connected on the inner side wall of the cabinet body, rectangular sliding blocks are connected in the two sliding sleeves in a sliding way, a limiting mechanism for limiting the movement of the rectangular sliding block is arranged in the rectangular sliding block, the upper end of the rectangular sliding block is fixedly connected with a lifting rod, the upper end of the lifting rod is fixedly connected with a horizontally arranged telescopic sleeve, a stop lever is connected in the telescopic sleeve in a sliding way, the upper end of the cabinet body is provided with a ventilating pipe orifice, the lower end of the cabinet body is provided with an air inlet, the inner side wall of the air inlet is fixedly connected with a bracket, the support upper end fixed mounting has the fan, it is equipped with the tonifying wind groove to lie in the fan upside in the cabinet body, tonifying wind groove upper end is equipped with the tonifying wind mouth that two symmetries of the internal portion of intercommunication cabinet set up.

Preferably, the side wall of the cabinet body is provided with a rectangular sliding rail matched with the glass door, and the glass door is connected with the rectangular sliding rail in a sliding manner.

Preferably, a rectangular sliding groove matched with the rectangular sliding block is arranged in the sliding sleeve, and the rectangular sliding block is connected with the rectangular sliding groove in a sliding mode.

Preferably, the limiting mechanism comprises a rectangular groove arranged in the rectangular sliding block, a spring is fixedly connected to the inner side wall of the rectangular groove, a button is fixedly connected to the other end of the spring, a plurality of limiting holes matched with the button are formed in the side wall of the sliding sleeve, and one end, far away from the spring, of the button horizontally slides to penetrate through the rectangular sliding block and is inserted into the limiting holes.

Preferably, a telescopic sliding groove matched with the stop lever is arranged in the telescopic sleeve, and the stop lever is connected with the telescopic sliding groove in a sliding manner.

Preferably, the bottom surface in the cabinet body is fixedly connected with two air deflectors which are symmetrically arranged, the two air deflectors are arranged on the outer sides close to the two air supply ports, and the air deflectors are arranged on one side close to the air supply ports in a bending mode.

Compared with the prior art, the beneficial effects of the utility model are that:

1. this air discharge formula numerical control fume chamber for biochemical experiments is provided with sliding sleeve, rectangle slider, lifter, telescopic tube, pin and stop gear, and through the pulling lifter, the lifter drives rectangle slider and removes to suitable high back in sliding sleeve, and stop gear is fixed with rectangle slider, pulling pin, and the pin stretches out in by telescopic tube, and the glass door lower extreme supports on the pin this moment, has avoided the unexpected laboratory staff hand of messenger of glass door to press wounded, the security that improves the device.

2. This air-bleeding formula numerical control fume chamber for biochemical experiments is provided with air intake, fan, mend wind groove, mend wind gap and aviation baffle, and through starting the fan, the fan blows upwards, makes the air get into mend wind groove by the air intake, enters into the cabinet body by the mend wind gap again, and the air that blows off by the mend wind gap can flow to the direction of going up to one side that is close to the mouth of ventilating duct under the effect of the aviation baffle of buckling to it is smooth and easy to make the internal mobile air of cabinet sufficient and mobile discharge, the practicality of improvement device.

Drawings

Fig. 1 is a schematic front view of the present invention;

fig. 2 is a schematic front view of the cross-sectional structure of the present invention;

fig. 3 is a schematic side view of the cross-sectional structure of the present invention;

fig. 4 is a schematic top view of the cross-sectional structure of the present invention;

fig. 5 is an enlarged schematic structural diagram of a point a in fig. 3 according to the present invention.

In the figure: 1. a cabinet body; 2. a glass door; 3. a sliding sleeve; 4. a rectangular slider; 5. a lifting rod; 6. a telescopic sleeve; 7. a stop lever; 8. a vent tube orifice; 9. an air inlet; 10. a support; 11. a fan; 12. an air supplement groove; 13. an air supply opening; 14. a rectangular slide rail; 15. a rectangular chute; 16. a rectangular groove; 17. a spring; 18. a button; 19. a limiting hole; 20. a telescopic chute; 21. an air deflector.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides an embodiment:

the utility model provides an exhaust formula numerical control fume chamber for biochemical experiments, which comprises a

cabinet body

1, 1 upper end lateral wall sliding connection of the cabinet body has glass door 2 of vertical setting, 1 lateral wall of the cabinet body be equipped with 2 assorted rectangle slide rails 14 of glass door,

glass door

2 and 14 sliding connection of rectangle slide rails, 2 surfaces of glass door set up to the rectangle, the surface width of glass door 2 equals with the inner wall width of rectangle slide rails 14, the surface width through glass door 2 equals with the inner wall width of rectangle slide rails 14, make glass door 2 can remove in rectangle slide rails 14.

The inner side wall of the cabinet body 1 is fixedly connected with two sliding sleeves 3 which are vertically and symmetrically arranged, each of the two sliding sleeves 3 is connected with a rectangular sliding block 4 in a sliding mode, a rectangular sliding groove 15 matched with the rectangular sliding block 4 is arranged in each sliding sleeve 3, each rectangular sliding block 4 is connected with the rectangular sliding groove 15 in a sliding mode, the width of the outer surface of each rectangular sliding block 4 is equal to the width of the inner wall of each rectangular sliding groove 15, each rectangular sliding block 4 can move in each rectangular sliding groove 15, each rectangular sliding block 4 is internally provided with a limiting mechanism used for limiting the movement of the rectangular sliding block 4, each limiting mechanism comprises a rectangular groove 16 arranged in each rectangular sliding block 4, a spring 17 is fixedly connected to the inner side wall of each rectangular groove 16, the other end of each spring 17 is fixedly connected with a button 18, the side wall of each sliding sleeve 3 is provided with a plurality of limiting holes 19 matched with the buttons 18 in an inserting, the outer surface of the button 18 and the limiting hole 19 are both arranged in a cylindrical shape, the outer diameter of the button 18 is equal to the inner diameter of the limiting hole 19, and the button 18 can be slidably inserted into the limiting hole 19 through the outer diameter of the button 18 being equal to the inner diameter of the limiting hole 19.

4 upper ends fixedly connected with lifter 5 of rectangle slider, 5 upper ends fixedly connected with level of lifter set up telescopic tube 6, sliding connection has pin 7 in telescopic tube 6, be equipped with in telescopic tube 6 with the flexible spout 20 of 7 assorted of pin, pin 7 and flexible spout 20 sliding connection, the surface of pin 7 and the internal surface of flexible spout 20 all set up to another rectangle, the surface width of pin 7 equals with the inner wall width of flexible spout 20, the surface width through pin 7 equals with the inner wall width of flexible spout 20, make pin 7 can remove in flexible spout 20.

1 upper end of the cabinet body is equipped with

vent pipe

8, 1 lower extreme of the cabinet body is equipped with

air intake

9, 9 inside wall fixedly connected with supports 10 of air intake, 10 upper end fixed mounting has fan 11, it is equipped with benefit wind groove 12 to lie in fan 11 upside in the cabinet body 1, benefit wind groove 12 upper end is equipped with the benefit wind gap 13 that two symmetries of the 1 inside intercommunication cabinet body set up, aviation baffle 21 that two symmetries of the 1 interior bottom fixedly connected with of cabinet body set up, two aviation baffles 21 set up in the outside that is close to two benefit wind gaps 13, aviation baffle 21 is to being close to the setting of buckling of benefit wind gap 13 one side, through aviation baffle 21 to being close to the setting of buckling of benefit wind gap 13 one side, make vent pipe 8 that the air.

The working principle is as follows: when needs support glass door 2 in order to prevent unexpected when falling, promote glass door 2 earlier, glass door 2 upwards moves in rectangular slide rail 14 and opens, then press button 18, button 18 extrudees spring 17 and makes spring 17 take place elastic deformation compression, button 18 leaves behind spacing hole 19, pulling lifter 5, lifter 5 drives rectangle slider 4 and removes in rectangle spout 15, make telescopic sleeve 6 of lifter 5 upper end remove to suitable height, at this moment, button 18 corresponds another spacing hole 19, spring 17 elastic potential energy release pushes button 18 pops out, button 18 inserts another spacing hole 19 and makes rectangle slider 4 fixed, at last pulling pin 7, pin 7 removes in flexible spout 20 and stretches out to glass door 2 downside, be convenient for support glass door 2 in order to prevent unexpected falling.

When the air supply is needed to be carried out on the inside of the cabinet body 1 to ensure that the air pressure in the cabinet is normal and the ventilation is smooth, the fan 11 is started firstly, the fan 11 blows upwards to enable the air to be sucked into the air supply groove 12 through the air inlet 9, the air is blown continuously, the air is blown into the cabinet body 1 from the air supply opening 13 at the upper end of the air supply groove 12, and finally, under the action of the air deflector 21 bent inwards, the air blown out from the air supply opening 13 flows along the upward oblique direction aiming at the ventilation pipe opening 8 at the upper end, so that the air supply is carried out on the inside of the cabinet body 1 to ensure that the air pressure in the cabinet is normal and the ventilation.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides an exhaust formula numerical control fume chamber for biochemical experiments, includes cabinet body (1), its characterized in that: the glass door (2) which is vertically arranged is slidably connected to the side wall of the upper end of the cabinet body (1), two sliding sleeves (3) which are vertically and symmetrically arranged are fixedly connected to the inner side wall of the cabinet body (1), two rectangular sliding blocks (4) are respectively and slidably connected to the two sliding sleeves (3), a limiting mechanism for limiting the movement of the glass door is arranged in each rectangular sliding block (4), a lifting rod (5) is fixedly connected to the upper end of each rectangular sliding block (4), a horizontally arranged telescopic sleeve (6) is fixedly connected to the upper end of each lifting rod (5), a stop rod (7) is slidably connected to each telescopic sleeve (6), a ventilating pipe opening (8) is arranged at the upper end of the cabinet body (1), an air inlet (9) is arranged at the lower end of the cabinet body (1), a support (10) is fixedly connected to the inner side wall of, the cabinet is characterized in that an air supplementing groove (12) is formed in the cabinet body (1) and located on the upper side of the fan (11), and two symmetrically-arranged air supplementing openings (13) communicated with the inside of the cabinet body (1) are formed in the upper end of the air supplementing groove (12).

2. The numerical control fume chamber of exhaust type for biochemical experiments according to claim 1, characterized in that: the cabinet body (1) lateral wall is equipped with glass door (2) assorted rectangle slide rail (14), glass door (2) and rectangle slide rail (14) sliding connection.

3. The numerical control fume chamber of exhaust type for biochemical experiments according to claim 1, characterized in that: the sliding sleeve (3) is internally provided with a rectangular sliding groove (15) matched with the rectangular sliding block (4), and the rectangular sliding block (4) is connected with the rectangular sliding groove (15) in a sliding manner.

4. The numerical control fume chamber of exhaust type for biochemical experiments according to claim 1, characterized in that: the limiting mechanism comprises a rectangular groove (16) formed in a rectangular sliding block (4), a spring (17) is fixedly connected to the inner side wall of the rectangular groove (16), a button (18) is fixedly connected to the other end of the spring (17), a plurality of limiting holes (19) matched with the button (18) are formed in the side wall of the sliding sleeve (3), and the button (18) is far away from one end of the spring (17) and slides horizontally to penetrate through the rectangular sliding block (4) and is inserted into the limiting holes (19).

5. The numerical control fume chamber of exhaust type for biochemical experiments according to claim 1, characterized in that: the telescopic sleeve (6) is internally provided with a telescopic chute (20) matched with the stop lever (7), and the stop lever (7) is connected with the telescopic chute (20) in a sliding manner.

6. The numerical control fume chamber of exhaust type for biochemical experiments according to claim 1, characterized in that: the air-conditioner is characterized in that two air deflectors (21) which are symmetrically arranged are fixedly connected to the inner bottom surface of the cabinet body (1), the two air deflectors (21) are arranged on the outer sides close to the two air supply ports (13), and the air deflectors (21) are arranged on one side close to the air supply ports (13) in a bending mode.