CN218743823U

CN218743823U - Ductless fume chamber

Info

Publication number: CN218743823U
Application number: CN202222803066.7U
Authority: CN
Inventors: 柏喜娟
Original assignee: Nanjing Chenggang Electronic Technology Co ltd
Current assignee: Nanjing Chenggang Electronic Technology Co ltd
Priority date: 2022-10-24
Filing date: 2022-10-24
Publication date: 2023-03-28
Anticipated expiration: 2032-10-24

Abstract

The utility model discloses a no pipeline fume chamber, the on-line screen storage device comprises a base, the both sides on base top all are equipped with the side backup pad, all be equipped with smooth frame on the inner wall of side backup pad, the inside bottom sliding connection of smooth frame has the slider, the one end of slider extends to the outside of smooth frame, base top between the slider is equipped with the workstation, the top of workstation is equipped with the cabinet body, the bottom of the cabinet body and the top fixed connection of side backup pad, the central point department of putting of cabinet body bottom is equipped with the air intake, the bottom of air intake extends to the outside of the cabinet body, the internal portion of cabinet of air intake top is equipped with the draught fan, all install the link on the outer wall of draught fan both sides, the central point department of putting at cabinet body top is equipped with the air outlet, the internal portion of cabinet of air outlet below installs filter plate. The utility model discloses not only improved the convenience when the fume chamber is maintained, still reduced the phenomenon that filter plate produced the jam, can adjust the height of workstation as required according to staff's height moreover.

Description

No pipeline fume chamber

Technical Field

The utility model relates to a fume chamber technical field specifically is a no pipeline fume chamber.

Background

Laboratory ventilation is an indispensable component in laboratory design, and in order to prevent laboratory workers from inhaling or swallowing some toxic and disease-causing chemicals and organisms and to prevent the absorption of some steam, gas and particles, good ventilation is required in the laboratory, and then a corresponding ventilation cabinet is required to be used to remove smoke in the laboratory and ensure the physical health of the workers.

Present fume chamber can be better promote the circulation of air in the laboratory, with material such as purification flue gas, it is main to be provided with parts such as workstation, the cabinet body, the cabinet door, the draught fan, filter the otter board, it is specific to set up the cabinet body in the top of workstation, when the staff is located the experiment operation of carrying out on the workstation, the flue gas of its production is introduced into the cabinet body through the draught fan, later adsorb it by filtering the otter board and filter the back and discharge by the top of the cabinet body, can promote the circulation of air, and can reach the purpose of air-purifying, and the cabinet door sets up in the surface of the cabinet body through the hinge usually, so that carry out sealing process to the cabinet body, according to the aforesaid can, this fume chamber can be better carry out purification process to harmful gas, but the cabinet door is usually movable connects in the surface of the cabinet body, be inconvenient to dismantle the processing, and then be difficult to wash maintenance process to its cabinet door, often plague people.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a no pipeline fume chamber to provide among the above-mentioned background art fume chamber though can be better carry out purification treatment to harmful gas, but the cabinet door is usually movable connects in the surface of the cabinet body, is not convenient for dismantle the processing to the cabinet door, and then is difficult to wash the problem of maintaining to it.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a no pipeline fume chamber, includes the base, the both sides on base top all are equipped with the side backup pad, all be equipped with the sliding frame on the inner wall of side backup pad, the inside bottom sliding connection of sliding frame has the slider, the one end of slider extends to the outside of sliding frame, base top between the slider is equipped with the workstation, the top of workstation is equipped with the cabinet body, the bottom of the cabinet body and the top fixed connection of side backup pad, the central point department of putting of cabinet body bottom is equipped with the air intake, the bottom of air intake extends to the outside of the cabinet body, the internal portion of cabinet of air intake top is equipped with the draught fan, all install the link on the outer wall of draught fan both sides, the one end that the draught fan was kept away from to the link and the inner wall fixed connection of the cabinet body, the central point department of putting at cabinet body top is equipped with the air outlet, the top of air outlet extends to the outside of the cabinet body, the internal portion of cabinet of air outlet below installs the otter board, the central point department of cabinet surface installs the cabinet door, the one end of cabinet door extends to the inside of the cabinet body, the central point department of cabinet door surface is equipped with visible through window, the both ends of cabinet body all are equipped with two sets of fastening frame, the fastening block of fastening, the internal portion of fastening frame, the one end of cabinet extends to the cabinet and the external connection of cabinet body is connected block.

Preferably, the center position department at base top installs the rotary driving spare, the top of rotary driving spare is equipped with the lead screw to drive the lead screw and rotate.

Preferably, the internal portion of cabinet of filter plate below is equipped with spacing frame, the internal portion of cabinet of spacing frame below rotates and is connected with the threaded rod to settle the processing to the screw thread section of thick bamboo.

Preferably, threaded connection has the nut on the outer wall of lead screw one end, all be equipped with the carrier bar on the outer wall of nut both sides, the one end that the nut was kept away from to the carrier bar is connected with the bottom fixed of workstation to make the nut drive the workstation through the carrier bar and carry out the lift processing.

Preferably, threaded connection has a screw thread section of thick bamboo on the outer wall of threaded rod one side, the central point department on screw thread section of thick bamboo top is equipped with the connecting rod, spacing frame is run through and the brush board is equipped with on the top of connecting rod, the top of brush board touches mutually with the bottom of crossing filter plate to reduce the phenomenon that filter plate produced the jam.

Preferably, a hand wheel is installed on the outer wall of the cabinet body at the position of the threaded rod, and one end of the hand wheel extends to the inside of the cabinet body and is fixedly connected with one end of the threaded rod so as to drive the threaded rod to rotate.

Compared with the prior art, the beneficial effects of the utility model are that: the ductless ventilation cabinet not only improves the convenience of the ventilation cabinet during maintenance, but also reduces the phenomenon that the filter screen plate is blocked, and can adjust the height of the workbench according to the height of a worker;

(1) The cabinet door is pulled to enable the fastening block to be separated from the outside of the fastening frame, so that the cabinet door can be quickly detached from the surface of the cabinet body, the cabinet body can be conveniently cleaned and maintained, and convenience in maintenance of the ventilation cabinet is improved;

(2) The hand wheel is rotated to drive the threaded rod to rotate, the moving amplitude of the connecting rod is limited by the limiting frame, the threaded cylinder is positioned on the outer wall of the threaded rod to slide, so that the threaded cylinder drives the brush plate to move transversely through the connecting rod, the bottom of the filter screen plate is brushed and cleaned by the brush plate, and the phenomenon that the filter screen plate is blocked is reduced;

(3) The screw rod is driven to rotate through the rotary driving piece, one end of the sliding block is located inside the sliding frame and slides, the movement range of the workbench is limited, the outer wall of the screw rod is located at the moment, the nut drives the workbench to lift through the bearing rod, and therefore the height of the workbench can be adjusted according to the height of a worker as required.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

fig. 2 is an enlarged schematic structural view of a point a in fig. 1 of the present invention;

FIG. 3 is a schematic view of the appearance structure of the cabinet body of the present invention;

fig. 4 is a schematic view of the overlooking structure of the cabinet body of the present invention.

In the figure: 1. a base; 2. a side supporting plate; 3. a slider; 4. a slide frame; 5. a cabinet body; 6. an induced draft fan; 7. filtering the screen plate; 8. an air outlet; 9. a connecting frame; 10. an air inlet; 11. a work table; 12. a screw rod; 13. a rotary drive member; 14. a nut; 15. a carrier bar; 16. a limiting frame; 17. a connecting rod; 18. brushing the board; 19. a hand wheel; 20. a threaded barrel; 21. a threaded rod; 22. fastening the frame; 23. a cabinet door; 24. a visible window; 25. and (5) fastening the block.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. 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. 1-4, the present invention provides an embodiment: a ductless ventilation cabinet comprises a base 1, wherein a rotary driving piece 13 is installed at the center position of the top end of the base 1, and a screw rod 12 is arranged at the top end of the rotary driving piece 13;

when in use, the rotary driving piece 13 is opened so as to drive the screw rod 12 to rotate;

a nut 14 is connected to the outer wall of one end of the screw rod 12 in a threaded manner, bearing rods 15 are arranged on the outer walls of two sides of the nut 14, and one end, far away from the nut 14, of each bearing rod 15 is fixedly connected with the bottom end of the workbench 11;

when in use, the nut 14 is positioned on the outer wall of the screw rod 12 to slide, so that the nut 14 drives the workbench 11 to lift through the bearing rod 15;

two sides of the top end of the base 1 are provided with side supporting plates 2, the inner walls of the side supporting plates 2 are provided with sliding frames 4, the bottom end inside the sliding frame 4 is connected with a sliding block 3 in a sliding mode, and one end of the sliding block 3 extends to the outside of the sliding frame 4;

a workbench 11 is arranged above the base 1 between the sliding blocks 3, a cabinet body 5 is arranged above the workbench 11, and the bottom end of the cabinet body 5 is fixedly connected with the top end of the side supporting plate 2;

an air inlet 10 is arranged at the central position of the bottom of the cabinet body 5, and the bottom end of the air inlet 10 extends to the outside of the cabinet body 5;

an induced draft fan 6 is arranged in the cabinet body 5 above the air inlet 10, connecting frames 9 are mounted on the outer walls of two sides of the induced draft fan 6, one end, far away from the induced draft fan 6, of each connecting frame 9 is fixedly connected with the inner wall of the cabinet body 5, an air outlet 8 is arranged in the center of the top of the cabinet body 5, and the top end of the air outlet 8 extends to the outside of the cabinet body 5;

a filter screen plate 7 is arranged in the cabinet body 5 below the air outlet 8, a limit frame 16 is arranged in the cabinet body 5 below the filter screen plate 7, and a threaded rod 21 is rotatably connected in the cabinet body 5 below the limit frame 16;

when in use, the threaded rod 21 is rotatably arranged inside the cabinet body 5 so as to arrange the threaded cylinder 20;

the outer wall of one side of the threaded rod 21 is in threaded connection with a threaded barrel 20, a connecting rod 17 is arranged at the center of the top end of the threaded barrel 20, the top end of the connecting rod 17 penetrates through the limiting frame 16 and is provided with a brush plate 18, and the top end of the brush plate 18 is contacted with the bottom end of the filter screen plate 7;

when in use, the brush plate 18 is driven to move transversely through the threaded cylinder 20 and the connecting rod 17, so that the brush plate 18 brushes and cleans the bottom of the filter screen plate 7, and the phenomenon of blockage of the filter screen plate 7 is reduced;

a hand wheel 19 is mounted on the outer wall of the cabinet body 5 at the position of the threaded rod 21, and one end of the hand wheel 19 extends into the cabinet body 5 and is fixedly connected with one end of the threaded rod 21;

when in use, the hand wheel 19 is rotated to drive the threaded rod 21 to rotate;

the central point on the surface of the cabinet body 5 is provided with a cabinet door 23, one end of the cabinet door 23 extends to the inside of the cabinet body 5, the central point on the surface of the cabinet door 23 is provided with a visible window 24, two ends of the cabinet door 23 are provided with two sets of fastening frames 22, the fastening frames 22 are internally provided with fastening blocks 25, and one ends of the fastening blocks 25 extend to the outside of the cabinet door 23 and are fixedly connected with the surface of the cabinet body 5.

When the device is used, the screw rod 12 is driven to rotate through the rotary driving part 13, one end of the sliding block 3 is positioned inside the sliding frame 4 to slide, so that the sliding frame can limit the movement amplitude of the workbench 11, the nut 14 is positioned on the outer wall of the screw rod 12 to slide, so that the nut 14 drives the workbench 11 to lift through the bearing rod 15, the height of the workbench 11 can be adjusted as required, then the experimental article is placed on the top of the workbench 11, so that the experimental operation can be performed on the top of the workbench 11, then the induced draft fan 6 is opened to release wind energy, so that gas generated in the experimental process flows into the cabinet body 5 through the air inlet 10, and the part of gas is adsorbed and filtered by the filter screen plate 7 and then is discharged through the air outlet 8, in order to reach the purpose that promotes the circulation of air, and can carry out purification treatment to the air, rethread hand wheel 19 of manual rotation, make it drive threaded rod 21 rotatory, carry on spacingly through spacing frame 16 to the range of movement of connecting rod 17 after, make a screw section of thick bamboo 20 be located the outer wall of threaded rod 21 and slide, so that a screw section of thick bamboo 20 drives brush board 18 lateral shifting through connecting rod 17, so that brush the cleaning process to the bottom of filtering net board 7 by brush board 18, can reduce the phenomenon that filtering net board 7 produced the jam, through outwards pulling cabinet door 23 at last, make fastening block 25 break away from the outside to fastening frame 22, can detach cabinet door 23 from the surface of the cabinet body 5 fast, so that wash maintenance treatment to the cabinet body 5, thereby accomplish the use of this fume chamber.

Claims

1. The utility model provides a no pipeline fume chamber, its characterized in that, includes base (1), the both sides on base (1) top all are equipped with side fagging (2), all be equipped with sliding frame (4) on the inner wall of side fagging (2), the inside bottom sliding connection of sliding frame (4) has slider (3), the one end of slider (3) extends to the outside of sliding frame (4), base (1) top between slider (3) is equipped with workstation (11), the top of workstation (11) is equipped with cabinet body (5), the bottom of the cabinet body (5) and the top fixed connection of side fagging (2), the central point department of putting of the cabinet body (5) bottom is equipped with air intake (10), the bottom of air intake (10) extends to the outside of the cabinet body (5), the cabinet body (5) inside of air intake (10) top is equipped with draught fan (6), all install link (9) on the outer wall of draught fan (6) both sides, the one end that link (9) kept away from draught fan (6) and the cabinet body (5) fixed connection, the inner wall fixed connection of the cabinet body (5) that the air outlet department is equipped with air outlet (8), the top of the cabinet body (5) top (8) that the filter plate (8) the top (8) that the air outlet (8) is equipped with the cabinet body (8) the filter plate (8), the utility model discloses a cabinet, including the cabinet body, cabinet door (5), cabinet door (23) are installed to the central point on the surface of the cabinet body (5) and are put the department, the one end of cabinet door (23) extends to the inside of the cabinet body (5), the central point on cabinet door (23) surface puts the department and is equipped with visual window (24), the both ends of cabinet door (23) all are equipped with two sets of fastening frames (22), the internally mounted of fastening frame (22) has fastening block (25), the one end of fastening block (25) extend to the outside of cabinet door (23) and with the fixed surface of the cabinet body (5) be connected.

2. A ductless fumehood according to claim 1 wherein: the center position department on base (1) top installs rotary driving spare (13), the top of rotary driving spare (13) is equipped with lead screw (12).

3. A ductless fumehood according to claim 1 wherein: the cabinet body (5) below the filter screen plate (7) is internally provided with a limiting frame (16), and the cabinet body (5) below the limiting frame (16) is internally connected with a threaded rod (21) in a rotating manner.

4. A ductless fumehood according to claim 2 wherein: threaded connection has nut (14) on the outer wall of lead screw (12) one end, all be equipped with carrier bar (15) on the outer wall of nut (14) both sides, the one end that nut (14) were kept away from in carrier bar (15) is connected with the bottom fixed connection of workstation (11).

5. A ductless fumehood according to claim 3 wherein: threaded connection has a screw thread section of thick bamboo (20) on the outer wall of threaded rod (21) one side, the central point on screw thread section of thick bamboo (20) top puts the department and is equipped with connecting rod (17), spacing frame (16) are run through and brush board (18) are equipped with to the top of connecting rod (17), the top of brush board (18) touches mutually with the bottom of crossing filter plate (7).

6. A ductless fumehood according to claim 3 wherein: install hand wheel (19) on the cabinet body (5) outer wall of threaded rod (21) position department, the one end of hand wheel (19) extend to the inside of the cabinet body (5) and with the one end fixed connection of threaded rod (21).