CN218574555U

CN218574555U - Laboratory fume chamber window foreign matter detection device

Info

Publication number: CN218574555U
Application number: CN202222948544.3U
Authority: CN
Inventors: 宋增锋; 刘建峰; 张平丽; 田丽; 王嗣昌
Original assignee: Shaanxi Songfeng Experimental Equipment Co ltd
Current assignee: Shaanxi Songfeng Experimental Equipment Co ltd
Priority date: 2022-11-04
Filing date: 2022-11-04
Publication date: 2023-03-07
Anticipated expiration: 2032-11-04

Abstract

The utility model discloses a laboratory fume chamber window foreign matter detection device belongs to fume chamber auxiliary structure technical field, including the fume chamber body, the interior week of the operation panel of fume chamber body is equipped with the sliding plate of two symmetries, and is connected with the transparent mirror between two sliding plates, two be connected with the apron between the top of sliding plate, and the top that the apron runs through the fume chamber body, the cavity has been seted up to the outside one side of operation panel of fume chamber body, and the interior week of cavity is equipped with the jam-proof board of adaptation, the below of jam-proof board is equipped with two-way lead screw, and the periphery of two-way lead screw is equipped with two nut seats, infrared inductor is installed at the top of jam-proof board. This laboratory fume chamber window foreign matter detection device avoids the entering of foreign matter when can detecting the foreign matter, and can drive the transparent mirror and remove and realize closing the window and opening the window.

Description

Laboratory fume chamber window foreign matter detection device

Technical Field

The utility model belongs to the technical field of the fume chamber auxiliary structure, concretely relates to laboratory fume chamber window foreign matter detection device.

Background

Laboratory ventilation is an indispensable component part in the laboratory design, and the fume chamber is the most commonly used local exhaust equipment in the laboratory, and the biggest use of fume chamber is with the harmful gas exhaust that produces in the experimentation, protection laboratory personnel's health, and traditional laboratory fume chamber is provided with photoelectric switch usually in the lower extreme frame department of sliding window.

When the sliding window is closed, the mounting block provided with the photoelectric switch extends into the groove formed in the operation table board, and some foreign matters or experimental equipment on the operation table board can sometimes slide into the groove, so that the sliding window is not closed tightly, and the problem can be solved if a structure capable of preventing the foreign matters from entering the sliding window is provided.

Therefore, in view of the current situation, it is urgently needed to design and produce a laboratory fume chamber window foreign matter detection device so as to meet the requirements of practical use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a laboratory fume chamber window foreign matter detection device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a laboratory fume chamber window foreign matter detection device, includes the fume chamber body, the interior week of the operation panel of fume chamber body is equipped with the sliding plate of two symmetries, and is connected with the transparent mirror between two sliding plates, two be connected with the apron between the top of sliding plate, and the apron runs through the top of fume chamber body, the cavity has been seted up to the outside one side of operation panel of fume chamber body, and the interior week of cavity is equipped with the jam-proof board of adaptation, the below of jam-proof board is equipped with two-way lead screw, and the periphery of two-way lead screw is equipped with two nut seats, infrared inductor is installed at the top of jam-proof board.

Preferably, two ends of the periphery of the bidirectional screw rod are provided with threads in opposite directions, one end of the bidirectional screw rod is rotatably connected with the inner periphery of the concave cavity through a bearing, and one end of the bidirectional screw rod is connected with a first rotating wheel.

Preferably, one end, far away from the first runner, of the bidirectional screw rod penetrates through the fume hood body and is connected with an active motor.

Preferably, two the nut seat is established with the both ends cover of two-way lead screw periphery respectively and is connected, and all articulates between the top of two nut seats and the bottom of preventing stifled board has the articulated slab.

Preferably, the fume chamber body is close to one side of first runner and installs the second runner, and the cover is equipped with the drive belt between the periphery of second runner and first runner.

Preferably, a transmission rod is arranged at the center of the second rotating wheel, and one end of the transmission rod penetrates through the fume hood body and is connected with a transmission gear.

Preferably, a rack plate is connected to one side of the sliding plate, which is close to the transmission gear, and the rack plate is meshed with the transmission gear.

The utility model discloses a technological effect and advantage:

the foreign bodies can be detected through the work of the infrared inductor;

the two-way screw rod is driven to rotate by the working of the driving motor, so that the two nut seats move, the hinged plate is displaced, the anti-blocking plate is further lifted to the top of the concave cavity, and foreign matters can be prevented from entering the concave cavity;

the first rotating wheel is driven to rotate through the rotation of the bidirectional screw rod, so that the second rotating wheel rotates, and the transmission rod rotates;

the transmission rod rotates to drive the transmission gear to rotate, so that the rack plate moves, and the transparent mirror can move;

this laboratory fume chamber window foreign matter detection device avoids the entering of foreign matter when can detecting the foreign matter, and can drive the transparent mirror and remove and realize closing the window and opening the window.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

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

fig. 2 is a schematic connection diagram of the bidirectional screw rod of the present invention;

fig. 3 is a schematic connection diagram of the transmission gear of the present invention.

Description of the reference numerals:

1. a fume hood body; 2. a sliding plate; 3. a transparent mirror; 4. a cover plate; 51. a concave cavity;

21. an anti-blocking plate; 22. a bidirectional screw rod; 23. a nut seat; 24. a hinge plate; 25. active motor

31. A first runner; 32. a second runner; 33. a transmission belt;

41. a transmission rod; 42. a transmission gear; 43. a rack plate.

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.

As shown in fig. 1 to 3, two symmetrical sliding plates 2 are arranged on the inner periphery of the operation table of the fume hood body 1, and a transparent mirror 3 is connected between the two sliding plates 2;

a cover plate 4 is connected between the tops of the two sliding plates 2, the cover plate 4 penetrates through the top of the fume hood body 1, and a concave cavity 51 is formed in one outward side of the operating platform of the fume hood body 1;

when the transparent mirror 3 is in a shielding state, the cover plate 4 is attached to the through hole of the fume hood body 1, and a sealing effect can be achieved;

the inner periphery of the concave cavity 51 is provided with an adaptive anti-blocking plate 21, a bidirectional screw rod 22 is arranged below the anti-blocking plate 21, two nut seats 23 are arranged on the outer periphery of the bidirectional screw rod 22, and the top of the anti-blocking plate 21 is provided with an infrared sensor;

the infrared inductor is provided with a transmitting part and a receiving part, the transmitting part and the receiving part are respectively installed on two sides of the anti-blocking plate 21, and foreign matters can be detected through the work of the infrared inductor.

The mounting, connecting and connecting modes can be selected from fasteners, bonding or welding and the like.

In order to avoid the entry of foreign matters, as shown in fig. 1 and 2, one end of a bidirectional screw rod 22 penetrates through the fume hood body 1 and is connected with an active motor 25, and the active motor 25 is connected with one side of the fume hood body 1;

the other end of the bidirectional screw rod 22 is rotationally connected with the inner periphery of the concave cavity 51 through a bearing, and two ends of the outer periphery of the bidirectional screw rod 22 are provided with threads in opposite directions;

the two nut seats 23 are respectively sleeved and connected with two ends of the periphery of the two-way screw rod 22, and hinged plates 24 are hinged between the tops of the two nut seats 23 and the bottom of the anti-blocking plate 21;

the top parts of the two nut seats 23 and the two sides of the bottom part of the anti-blocking plate 21 are both connected with hinge blocks with connecting holes, and hinge holes are formed in the two ends of the hinge plate 24 and are rotatably connected with the corresponding connecting holes;

through the work of the driving motor 25, the two-way screw rod 22 is driven to rotate, so that the two nut seats 23 move, the hinged plate 24 is displaced, and the anti-blocking plate 21 further rises to the top of the cavity 51, so that the entry of foreign matters can be avoided.

In order to play a role of transmission, as shown in fig. 1 and fig. 2, one end of the bidirectional screw rod 22 is connected with a first rotating wheel 31;

a second rotating wheel 32 is arranged on one side of the fume hood body 1 close to the first rotating wheel 31, and a transmission belt 33 is sleeved between the second rotating wheel 32 and the periphery of the first rotating wheel 31;

the rotation of the bidirectional screw 22 rotates the first runner 31, so that the second runner 32 rotates, and the transmission rod 41 rotates.

In order to lift the transparent mirror 3, as shown in fig. 1 and 3, a transmission rod 41 is arranged at the center of the second rotating wheel 32, and one end of the transmission rod 41 penetrates through the fume hood body 1 and is connected with a transmission gear 42;

a rack plate 43 is connected to one side of the sliding plate 2 close to the transmission gear 42, and the rack plate 43 is meshed with the transmission gear 42;

the rotation of the transmission rod 41 drives the transmission gear 42 to rotate, so that the rack plate 43 moves, and the transparent mirror 3 can move;

when the moving distance between the transmission gear 42 and the rack plate 43 and the moving distance of the blocking prevention plate 21 are adapted so that the transparent mirror 3 is lowered to the inner periphery of the concave cavity 51 when the blocking prevention plate 21 is lowered to the lowest.

The working principle is as follows:

when the foreign matter detection device for the window of the laboratory ventilation cabinet needs to be used, the driving motor 25 is started to drive the bidirectional screw rod 22 to rotate;

the rotation of the bidirectional screw 22 drives the first runner 31 to rotate, so that the second runner 32 rotates, and the transmission rod 41 rotates;

the rotation of the transmission rod 41 drives the transmission gear 42 to rotate, so that the rack plate 43 moves, and the transparent mirror 3 can be lifted;

meanwhile, the rotation of the two-way screw rod 22 drives the two nut seats 23 to move, so that the hinged plate 24 is displaced, the anti-blocking plate 21 rises to the top of the cavity 51, the cavity 51 is blocked, and foreign matters can be prevented from entering;

in the experimental process, the foreign bodies can be detected through the work of the infrared inductor.

Finally, it should be noted that: the above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention.

Claims

1. The utility model provides a laboratory fume chamber window foreign matter detection device, includes fume chamber body (1), the interior week of the operation panel of fume chamber body (1) is equipped with sliding plate (2) of two symmetries, and is connected with transparent mirror (3) between two sliding plate (2), two be connected with apron (4) between the top of sliding plate (2), and apron (4) run through the top of fume chamber body (1), its characterized in that: cavity (51) have been seted up to the outside one side of operation panel of fume chamber body (1), and the interior week of cavity (51) is equipped with anti-blocking plate (21) of adaptation, the below of preventing blocking plate (21) is equipped with two-way lead screw (22), and the periphery of two-way lead screw (22) is equipped with two nut seats (23), infrared inductor is installed at the top of preventing blocking plate (21).

2. The laboratory fume hood window foreign matter detection apparatus according to claim 1, wherein: two ends of the periphery of the bidirectional screw rod (22) are provided with threads in opposite directions, one end of the bidirectional screw rod (22) is rotatably connected with the inner periphery of the cavity (51) through a bearing, and one end of the bidirectional screw rod (22) is connected with a first rotating wheel (31).

3. A laboratory fume hood window foreign matter detection apparatus according to claim 2, wherein: one end, far away from the first rotating wheel (31), of the bidirectional screw rod (22) penetrates through the fume hood body (1) and is connected with the driving motor (25).

4. A laboratory fume hood window foreign matter detection apparatus according to claim 3, wherein: two nut seats (23) are respectively sleeved with two ends of the periphery of the bidirectional screw rod (22) and connected, and hinged plates (24) are hinged between the tops of the two nut seats (23) and the bottom of the anti-blocking plate (21).

5. The laboratory fume hood window foreign matter detection apparatus according to claim 2, wherein: fume chamber body (1) is close to one side of first runner (31) and installs second runner (32), and overlaps between the periphery of second runner (32) and first runner (31) and is equipped with drive belt (33).

6. The laboratory fume hood window foreign matter detection apparatus according to claim 5, wherein: a transmission rod (41) is arranged at the center of the second rotating wheel (32), and one end of the transmission rod (41) penetrates through the fume hood body (1) and is connected with a transmission gear (42).

7. The laboratory fume hood window foreign matter detection apparatus according to claim 6, wherein: one side of the sliding plate (2) close to the transmission gear (42) is connected with a rack plate (43), and the rack plate (43) is meshed with the transmission gear (42).