CN211027449U

CN211027449U - Ventilation cabinet for food laboratory

Info

Publication number: CN211027449U
Application number: CN201922142682.0U
Authority: CN
Inventors: 徐萍
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-04
Filing date: 2019-12-04
Publication date: 2020-07-17
Anticipated expiration: 2029-12-04

Abstract

The utility model relates to an experimental facilities technical field just discloses a food laboratory fume chamber, which comprises a bod, the cavity has all been seted up to the left and right sides of organism, the shifting chute has been seted up and the chamber has been placed to the rear side of cavity to the fixed slot has been seted up in the outside of placing the chamber, fixed slot left side inner wall fixedly connected with rack has the window in the inside sliding connection of cavity, at the equal fixedly connected with fixture block in the left and right sides of window, at the right side fixedly connected with lug of fixture block. This food laboratory fume chamber, through the cooperation between gear and the rack, and then when the motor opens the back, the output of motor will make gear revolve through driving a rod pivoted mode, thereby the rotation of gear will produce the reverse motion with the dislocation of rack formation tooth to drive a rod during gear revolve and reciprocate, and the removal of a rod will drive the window through the mode that drives the lug and go up and down, completion that from this can be convenient is to the lift operation of window.

Description

Ventilation cabinet for food laboratory

Technical Field

The utility model relates to an experimental facilities technical field specifically is a food laboratory fume chamber.

Background

In a research place such as a food research institute and the like, experimental research is frequently required, in a laboratory, because the use of various chemical substances often causes air pollution in the laboratory, and some substances are not only bad in taste but also harmful to health, the experimental research needs to be carried out by adopting a fume hood, the main body of the common fume hood is a box body, an exhaust passage is arranged on the box body, experimental equipment is arranged in the box body of the fume hood when in use, so that harmful gas can be exhausted, the top of the existing fume hood is provided with an exhaust outlet, a fan is arranged at the top, when the fan works, a glass window in the front of a working inner cavity of the fume hood body needs to be opened, waste gas in the laboratory is timely extracted, however, if the glass window is not opened in time or the opening of the glass window is opened, the waste gas in the laboratory is difficult to be timely and quickly extracted to be clean, thereby cause the potential safety hazard, in addition, the slip of current fume chamber glass window all is fixed on the limit about the glass window through wire rope, through the pulley motion, so, can appear not steady balanced rocking from top to bottom when operating personnel push-and-pull glass window, the performance of seriously influence the fume chamber of deviating from original track easily.

According to a fume hood for a laboratory disclosed in chinese publication No. CN206613829U, a glass window is lifted and lowered using a belt and a pulley in cooperation, but such a manner is very inconvenient in use, thereby causing a trouble to an operator.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a food laboratory fume chamber has solved the problem of unable convenient lift glass window.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a food laboratory fume hood comprises a machine body, wherein cavities are formed in the left side and the right side of the machine body, a moving groove and a placing cavity are formed in the rear side of each cavity, a fixing groove is formed in the outer side of the placing cavity, a rack is fixedly connected to the inner wall on the left side of the fixing groove, a window is slidably connected to the inner side of each cavity, a clamping block is fixedly connected to the left side and the right side of each window, a protruding block is fixedly connected to the right side of each clamping block, a motor is slidably connected to the inner side of each moving groove, a fixing block is fixedly connected to the top of the motor, an ejector rod is fixedly connected to the output end of the motor, the front end of the ejector rod penetrates through the placing cavity and extends into the cavity to be in contact with the bottom of the protruding block, a gear is fixedly connected to the outer side of the ejector rod and is meshed with the gear and the rack, a, the output end of the push rod motor is fixedly connected with a connecting block, and the rear side of the connecting block is fixedly connected with a fixing rod.

Preferably, the bottom of the motor is fixedly connected with a bracket, and the size of the bracket is matched with that of the inner wall of the moving groove.

Preferably, the thickness of the fixture block is matched with that of the inner wall of the cavity, and the length of the fixture block is smaller than that of the window.

Preferably, the fixing block is internally provided with a fixing hole, and the diameter of the inner wall of the fixing hole is matched with that of the fixing rod.

Preferably, the length of the placing cavity and the length of the inner wall of the moving groove are both smaller than the length of the inner wall of the cavity.

Preferably, the thickness of the inner wall of the groove is matched with that of the window, and the length of the inner wall of the groove is matched with that of the window.

(III) advantageous effects

Compared with the prior art, the utility model provides a food laboratory fume chamber possesses following beneficial effect:

1. this food laboratory fume chamber, through the cooperation between gear and the rack, and then when the motor opens the back, the output of motor will make gear revolve through driving a rod pivoted mode, thereby the rotation of gear will produce the reverse motion with the dislocation of rack formation tooth to drive a rod during gear revolve and reciprocate, and the removal of a rod will drive the window through the mode that drives the lug and go up and down, completion that from this can be convenient is to the lift operation of window.

2. This food laboratory fume chamber, through the cooperation between the fixed orifices on dead lever and the fixed block, and then when the fixed orifices coincides with the dead lever, open the push rod motor, the output of push rod motor can drive the dead lever and get into the fixed orifices to make the motor fix the current position, reached from this and fixed the effect at the current position with the window.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a sectional view of the cavity structure of the present invention;

fig. 3 is a sectional view of the body structure of the present invention.

In the figure: 1. a body; 2. a window; 3. a groove; 4. a placement chamber; 5. a clamping block; 6. a cavity; 7. a push rod motor; 8. a rack; 9. a bump; 10. a top stick; 11. fixing grooves; 12. a gear; 13. a motor; 14. a fixed block; 15. a moving groove; 16. a moving chamber; 17. fixing the rod; 18. and (4) connecting the blocks.

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. 1-3, the present invention provides a technical solution: a food laboratory fume hood comprises a machine body 1, wherein cavities 6 are formed in the left side and the right side of the machine body 1, the cavities 6 are used for moving windows 2, a moving groove 15 and a placing cavity 4 are formed in the rear side of each cavity 6, the moving groove 15 is used for moving a motor 13, the placing cavity 4 is used for moving a top stick 10, the lengths of the inner walls of the placing cavity 4 and the moving groove 15 are smaller than that of the inner wall of the cavity 6, a fixing groove 11 is formed in the outer side of the placing cavity 4, the fixing groove 11 is used for installing a rack 8, the inner wall of the left side of the fixing groove 11 is fixedly connected with the rack 8, the window 2 is slidably connected inside the cavity 6, the window 2 is a glass window, clamping blocks 5 are fixedly connected to the left side and the right side of the window 2, a lug 9 is fixedly connected to the right side of each clamping block 5 and is used for being pushed by the top stick 10, a motor 13 is, and the output end of the motor 13 is fixedly connected with a top stick 10, the front end of the top stick 10 penetrates through the placing cavity 4 and extends into the cavity 6 to contact with the bottom of the bump 9, the outer side of the top stick 10 is fixedly connected with a gear 12, the gear 12 is meshed with the rack 8, through the matching between the gear 12 and the rack 8, and further after the motor 13 is started, the output end of the motor 13 drives the gear 12 to rotate by driving the top stick 10 to rotate, the rotation of the gear 12 and the rack 8 form the dislocation of teeth to generate reverse motion, so that the top stick 10 is driven to move up and down when the gear 12 rotates, the movement of the top stick 10 drives the window 2 to lift by driving the bump 9, thereby the lifting operation of the sight window 2 can be conveniently completed, the inner wall at the bottom of the cavity 6 is provided with a groove 3, the top of the moving groove 15 is provided with a moving cavity 16, the inner wall at the front side of the moving cavity 16, the output end of the push rod motor 7 is fixedly connected with a connecting block 18, and the rear side of the connecting block 18 is fixedly connected with a fixing rod 17.

Specifically, in order to normally operate the motor 13, a bracket is fixedly connected to the bottom of the motor 13, and the size of the bracket is matched with the size of the inner wall of the moving groove 15.

Specifically, in order to prevent the fixture block 5 from being dislocated, the thickness of the fixture block 5 is matched with the thickness of the inner wall of the cavity 6, and the length of the fixture block 5 is smaller than that of the window 2.

Specifically, in order to make fixed block 14 and the normal cooperation of dead lever 17, the fixed orifices has been seted up to the inside that sets up fixed block 14, and the diameter of fixed orifices inner wall and the diameter looks adaptation of dead lever 17, through the cooperation between the fixed orifices on dead lever 17 and the fixed block 14, and then when the fixed orifices coincides with dead lever 17, open push rod motor 7, push rod motor 7's output can drive dead lever 17 and get into the fixed orifices, thereby make motor 13 fix the current position, the effect of fixing window 2 at the current position has been reached from this.

Specifically, in order to make the joint window 2 that recess 3 can stabilize, set up the thickness of 3 inner walls of recess and the thickness looks adaptation of window 2, and the length of 3 inner walls of recess and the length looks adaptation of window 2.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

When using, open motor 13, thereby motor 13's output drives a rod 10 and rotates, and the rotation of a rod 10 makes gear 12 rotate, thereby gear 12's rotation will form the dislocation of tooth with rack 8 and produce reverse motion, thereby gear 12 drives a rod 10 and reciprocates when rotating, and the removal of a rod 10 will drive window 2 through the mode that drives lug 9 and go up and down, when dead lever 17 coincides with the fixed orifices on fixed block 14, open push rod motor 7, push rod motor 7's output can drive dead lever 17 and get into the fixed orifices, thereby make motor 13 fix at the current position, just from this fix window 2 at the current position.

In conclusion, this food laboratory fume hood, through the cooperation between gear 12 and the rack 8, and then after motor 13 opened, the output of motor 13 will make gear 12 rotate through the mode that drives top rod 10 pivoted, and thereby the dislocation that gear 12's rotation will form the tooth with rack 8 produces reverse motion, thereby drive top rod 10 and reciprocate when gear 12 rotates, and the removal of top rod 10 will drive window 2 through the mode that drives lug 9 and go up and down, the completion that from this can be convenient is looked at the lift operation of window 2.

Through the cooperation between the fixed rod 17 and the fixed hole on the fixed block 14, and then when the fixed hole coincides with the fixed rod 17, open the push rod motor 7, the output of push rod motor 7 can drive the fixed rod 17 and get into the fixed hole to make motor 13 fix the current position, reached from this and fixed the effect at the current position with window 2.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a food laboratory fume chamber, includes organism (1), its characterized in that: the machine body is characterized in that cavities (6) are respectively formed in the left side and the right side of the machine body (1), a moving groove (15) and a placing cavity (4) are formed in the rear side of each cavity (6), a fixing groove (11) is formed in the outer side of each placing cavity (4), a rack (8) is fixedly connected to the inner wall of the left side of each fixing groove (11), a window (2) is slidably connected to the inner portion of each cavity (6), fixture blocks (5) are fixedly connected to the left side and the right side of each window (2), a convex block (9) is fixedly connected to the right side of each fixture block (5), a motor (13) is slidably connected to the inner portion of each moving groove (15), a fixing block (14) is fixedly connected to the top of each motor (13), a jacking rod (10) is fixedly connected to the output end of each motor (13), the front end of each jacking rod (10) penetrates through each placing cavity (4, the outside fixedly connected with gear (12) of top rod (10), and gear (12) and rack (8) meshing, cavity (6) bottom inner wall is seted up fluted (3), removal chamber (16) have been seted up at the top of removal groove (15), are removing chamber (16) front side inner wall fixedly connected with push rod motor (7), the output fixedly connected with connecting block (18) of push rod motor (7), rear side fixedly connected with dead lever (17) of connecting block (18).

2. The fume hood for food laboratories as defined in claim 1, wherein: the bottom of the motor (13) is fixedly connected with a support, and the size of the support is matched with that of the inner wall of the moving groove (15).

3. The fume hood for food laboratories as defined in claim 1, wherein: the thickness of the fixture block (5) is matched with that of the inner wall of the cavity (6), and the length of the fixture block (5) is smaller than that of the window (2).

4. The fume hood for food laboratories as defined in claim 1, wherein: the inside of fixed block (14) is seted up the fixed orifices, and the diameter of fixed orifices inner wall and the diameter looks adaptation of dead lever (17).

5. The fume hood for food laboratories as defined in claim 1, wherein: the lengths of the inner walls of the placing cavity (4) and the moving groove (15) are smaller than the length of the inner wall of the cavity (6).

6. The fume hood for food laboratories as defined in claim 1, wherein: the thickness of the inner wall of the groove (3) is matched with that of the window (2), and the length of the inner wall of the groove (3) is matched with that of the window (2).