CN216574779U

CN216574779U - PCR nucleic acid laboratory safety fume chamber

Info

Publication number: CN216574779U
Application number: CN202123163803.3U
Authority: CN
Inventors: 徐程; 徐东; 徐飞
Original assignee: Guangzhou Lanjing Environmental Protection Technology Development Co ltd
Current assignee: Guangzhou Lanjing Environmental Protection Technology Development Co ltd
Priority date: 2021-12-16
Filing date: 2021-12-16
Publication date: 2022-05-24
Anticipated expiration: 2031-12-16

Abstract

The utility model discloses a PCR nucleic acid laboratory safety fume hood, which comprises a fume hood body, wherein a chassis is arranged above the fume hood body, the front end surface of the fume hood body is provided with a transparent door, the insides of both sides of the fume hood body are provided with sliding chutes, the two sides of the transparent door are respectively provided with a sliding block which is connected with the sliding groove in a sliding way, the two sides of the front end surface of the fume hood body are respectively fixedly provided with an installation block, the inside of the mounting block is provided with a clamping groove, the upper end and the lower end of the clamping groove are both provided with spring grooves positioned in the mounting block, the inner part of the spring groove is connected with a bolt in a penetrating way, the outer part of the bolt is sleeved with a spring B positioned in the spring groove, the lower end of the spring B is fixedly connected with the inner wall of the spring groove, a position of the bolt close to the outer side end is fixedly provided with a limiting ring, and the upper end of the spring B is fixedly connected with the limiting ring. The transparent door can be automatically cleaned through the brush head, so that the transparent door is more convenient.

Description

PCR nucleic acid laboratory safety fume chamber

Technical Field

The utility model relates to the technical field of laboratory safety fume hoods, in particular to a PCR nucleic acid laboratory safety fume hood.

Background

With the rapid development of social economy, a cabinet type exhaust hood is commonly called a ventilation hood and is similar to a closed hood, a small part paint spraying cabinet and a chemical laboratory ventilation hood are typical structures of the cabinet type exhaust hood, one side surface of a large chamber type ventilation hood is completely open, an operator works in the cabinet and is mainly used for large part paint spraying, powder bagging and the like, a working opening of the ventilation hood has a great influence on air flow distribution in the cabinet, and the air flow distribution directly influences the working effect of the cabinet type exhaust hood.

However, the windshield on the front end face of the existing fume hood is easy to be polluted, and the manual cleaning is troublesome; therefore, the existing requirements are not met, and a PCR nucleic acid laboratory safety fume hood is provided for the requirement.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a PCR nucleic acid laboratory safety fume hood, which solves the problems that the windshield on the front end surface of the existing fume hood proposed in the background art is easy to be polluted, and the manual cleaning is troublesome.

In order to achieve the purpose, the utility model provides the following technical scheme: a PCR nucleic acid laboratory safety fume hood comprises a fume hood body, a chassis is arranged above the fume hood body, a transparent door is arranged on the front end face of the fume hood body, sliding grooves are formed in the inner portions of two sides of the fume hood body, sliding blocks are arranged on the two sides of the transparent door and are in sliding connection with the sliding grooves, mounting blocks are fixedly arranged on the two sides of the front end face of the fume hood body, clamping grooves are formed in the mounting blocks, spring grooves located in the mounting blocks are formed in the upper ends and the lower ends of the clamping grooves, a bolt penetrates through the inner portion of each spring groove, a spring B located in each spring groove is sleeved on the outer portion of the bolt, the lower end of the spring B is fixedly connected with the inner wall of each spring groove, a limiting ring is fixedly arranged at the position, close to the outer end, of the bolt, the upper end of the spring B is fixedly connected with the limiting ring, a brush head is arranged on the front end face of the transparent door, the preceding terminal surface of brush head is equipped with the diaphragm, the inside of diaphragm is equipped with seven spring A that are located brush head preceding terminal surface, the diaphragm card is gone into in the draw-in groove, the inside upper end of diaphragm and lower extreme all are equipped with the slot, the bolt inserts the inside of slot, the inside of fume chamber body is equipped with the workstation.

Preferably, a water outlet pipe is arranged above the workbench, and the purpose of experiment is achieved inside the workbench.

Preferably, one side of the front end face of the fume hood body is provided with an operation button, so that the overall operation and control function is achieved.

Preferably, an exhaust pipe is disposed above the cabinet to exhaust the internal gas.

Preferably, the surface of fume chamber body is equipped with the cabinet door, plays a confined effect.

Preferably, the mounting block and the fume chamber body are fixed by welding, and the welding is firmer.

Preferably, the front end face of the transparent door is provided with a pull ring, so that the pull ring plays a role in assisting in pulling.

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

1. the utility model can automatically clean the transparent door by installing the brush head, firstly the bolt is pulled upwards, the lower end of the spring B is fixedly connected with the inner wall of the spring groove, the upper end of the spring B is fixedly connected with the limit ring, when the bolt is pulled, the spring is stretched by B times, the transverse plate with the brush head is inserted into the clamping grooves in the mounting blocks positioned at two sides of the front end surface of the fume hood body, the bolt is loosened, the spring B is released, the bolt is just inserted into the slot inside the transverse plate for fixing, the transparent door is just touched with the brush head when the transparent door is pulled, can play a cleaning role, when the brush head is replaced, the bolt is pulled upwards, and then the bolt is separated from the slot, the brush head with the transverse plate can be detached after being separated from the inside of the clamping groove, and seven springs A on the rear end face of the brush head can also play an auxiliary role according to the front-back distance of the transparent door when the brush head is cleaned.

Drawings

FIG. 1 is a front view of the present invention in its entirety;

FIG. 2 is a schematic structural view of the present invention as a whole;

FIG. 3 is a schematic view of the internal structure of the cleaning brush of the present invention;

fig. 4 is a partial structural view of the whole a of the present invention.

In the figure: 1. a fume hood body; 2. a work table; 3. a cabinet door; 4. an operation button; 5. mounting blocks; 6. a transverse plate; 7. a chassis; 8. an exhaust pipe; 9. a chute; 10. a slider; 11. a transparent door; 12. a brush head; 13. a spring A; 14. a spring slot; 15. a spring B; 16. a slot; 17. a bolt; 18. a clamping groove.

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.

Referring to fig. 1 to 4, an embodiment of the present invention includes: a PCR nucleic acid laboratory safety fume hood comprises a fume hood body 1, a cabinet 7 is arranged above the fume hood body 1, a transparent door 11 is arranged on the front end face of the fume hood body 1, sliding grooves 9 are formed in the inner portions of two sides of the fume hood body 1, sliding blocks 10 are arranged on two sides of each transparent door 11, the sliding blocks 10 are in sliding connection with the sliding grooves 9, mounting blocks 5 are fixedly arranged on two sides of the front end face of the fume hood body 1, clamping grooves 18 are formed in the mounting blocks 5, spring grooves 14 located in the mounting blocks 5 are formed in the upper ends and the lower ends of the clamping grooves 18, a bolt 17 penetrates through the inner portions of the spring grooves 14, a spring B15 located in each spring groove 14 is sleeved on the outer portion of the bolt 17, the lower end of a spring B15 is fixedly connected with the inner wall of each spring groove 14, a limiting ring is fixedly arranged at the position, close to the outer end of the bolt 17, the upper end of a spring B15 is fixedly connected with the limiting ring, a brush head 12 is arranged on the front end face of the transparent door 11, the front end face of the brush head 12 is provided with a transverse plate 6, seven springs A13 located on the front end face of the brush head 12 are arranged inside the transverse plate 6, the transverse plate 6 is clamped into the clamping groove 18, the upper end and the lower end inside the transverse plate 6 are provided with inserting grooves 16, the inserting pins 17 are inserted into the inserting grooves 16, and the workbench 2 is arranged inside the fume hood body 1.

Further, a water outlet pipe is arranged above the workbench 2.

By adopting the technical scheme, the purpose of experiment is achieved inside.

Further, one side of the preceding terminal surface of fume chamber body 1 is equipped with control button 4.

By adopting the technical scheme, the overall control effect is achieved.

Further, an exhaust pipe 8 is arranged above the case 7.

Through adopting above-mentioned technical scheme, play carminative effect to inside gas.

Further, a cabinet door 3 is arranged on the surface of the fume hood body 1.

By adopting the technical scheme, a sealing effect is achieved.

Further, the mounting block 5 is fixed with the fume hood body 1 through welding.

Through adopting above-mentioned technical scheme, welded fastening is more firm.

Further, a pull ring is arranged on the front end face of the transparent door 11.

Through adopting above-mentioned technical scheme, play the effect of supplementary pulling.

The working principle is as follows: when the ventilating hood is used, the transparent door 11 can be automatically cleaned by installing the brush head 12, the bolt 17 is pulled upwards firstly, the lower end of the spring B15 is fixedly connected with the inner wall of the spring groove 14, the upper end of the spring B14 is fixedly connected with the limiting ring, the spring B14 times of stretching is performed when the bolt 17 is pulled, the transverse plate 6 with the brush head 12 is inserted into the clamping groove 18 in the mounting block 5 on two sides of the front end face of the ventilating hood body 1, the bolt 17 is loosened, the spring B14 is loosened, the bolt 17 is just inserted into the slot 16 in the transverse plate 6 to be fixed, the transparent door 11 just touches the brush head 12 when the transparent door 11 is pulled, a cleaning effect can be achieved, the bolt 17 is pulled upwards when the brush head 12 is replaced, the bolt 17 is separated from the slot 16, the brush head 12 with the transverse plate 6 can be detached after being separated from the slot 18, and seven springs A13 on the rear end face of the brush head 12 can also play an auxiliary role according to the front-back distance of the transparent door 11 when the brush head 12 is cleaned .

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a PCR nucleic acid laboratory safety fume chamber, includes fume chamber body (1), its characterized in that: the improved ventilating hood is characterized in that a cabinet (7) is arranged above the ventilating hood body (1), a transparent door (11) is arranged on the front end face of the ventilating hood body (1), sliding grooves (9) are formed in the two sides of the ventilating hood body (1), sliding blocks (10) are arranged on the two sides of the transparent door (11), the sliding blocks (10) are in sliding connection with the sliding grooves (9), mounting blocks (5) are fixedly arranged on the two sides of the front end face of the ventilating hood body (1), clamping grooves (18) are formed in the mounting blocks (5), spring grooves (14) located in the mounting blocks (5) are formed in the upper end and the lower end of each clamping groove (18), a bolt (17) is connected in the spring grooves (14) in a penetrating mode, a spring B (15) located in the spring grooves (14) is sleeved on the outer portion of the bolt (17), and the lower end of the spring B (15) is fixedly connected with the inner wall of the spring grooves (14), the utility model discloses a ventilation cabinet, including bolt (17), spring B (15), spring A's (13), draw-in groove (18), the fixed position that is close to the outside end of bolt (17) is equipped with the spacing ring, the upper end and the spacing ring fixed connection of spring B (15), the preceding terminal surface of transparent door (11) is equipped with brush head (12), the preceding terminal surface of brush head (12) is equipped with diaphragm (6), the inside of diaphragm (6) is equipped with seven spring A (13) that are located brush head (12) preceding terminal surface, diaphragm (6) card is gone into in draw-in groove (18), the inside upper end and the lower extreme of diaphragm (6) all are equipped with slot (16), bolt (17) insert the inside of slot (16), the inside of ventilation cabinet body (1) is equipped with workstation (2).

2. The safe ventilation hood for PCR nucleic acid laboratories according to claim 1, characterized in that: a water outlet pipe is arranged above the workbench (2).

3. The safe ventilated case for the PCR nucleic acid laboratory according to claim 1, wherein: one side of the front end face of the fume hood body (1) is provided with an operation button (4).

4. The safe ventilated case for the PCR nucleic acid laboratory according to claim 1, wherein: an exhaust pipe (8) is arranged above the case (7).

5. The safe ventilated case for the PCR nucleic acid laboratory according to claim 1, wherein: the surface of the fume hood body (1) is provided with a hood door (3).

6. The safe ventilated case for the PCR nucleic acid laboratory according to claim 1, wherein: the mounting block (5) is fixed with the fume hood body (1) through welding.

7. The safe ventilated case for the PCR nucleic acid laboratory according to claim 1, wherein: the front end face of the transparent door (11) is provided with a pull ring.