CN216297461U

CN216297461U - Novel laboratory is with fume chamber

Info

Publication number: CN216297461U
Application number: CN202122837221.2U
Authority: CN
Inventors: 徐博; 徐金平; 游亚南
Original assignee: Anhui Hengtuo Bituo Environmental Technology Development Co ltd
Current assignee: Anhui Hengtuo Bituo Environmental Technology Development Co ltd
Priority date: 2021-11-18
Filing date: 2021-11-18
Publication date: 2022-04-15
Anticipated expiration: 2031-11-18

Abstract

The utility model provides a novel laboratory ventilation cabinet which comprises a cabinet body, wherein the cabinet body comprises a storage cabinet arranged at the bottom, a test chamber arranged at the upper end of the storage cabinet and a pull window used for sealing the test chamber, and an exhaust hood used for exhausting the test chamber is arranged at the top of the cabinet body. The sliding window is connected on the door rail in a sliding mode through the pulleys, so that the sliding performance is improved, the friction is reduced, the noise is reduced, and the sealing strip attached to the sliding window is arranged at the outer end, located on the sliding groove, of the door rail, so that the sealing performance of the sliding window is enhanced; the two ends of the sliding window are respectively provided with a rope and are connected with the two ends of the balancing rod through the ropes, and the electric push rod pushes the balancing rod to ascend and descend and slide on the cabinet body, so that the sliding window is stable in operation. Rope sheave spare is through first gyro wheel and second gyro wheel centre gripping rope, prevents that the rope from breaking away from rope sheave spare, prevents that personnel from manually going up the austral window, sliding sash messenger rope is not hard up to break away from. The device can also fix the sliding window through the locking mechanism, so that the sliding window can be fixed at any position.

Description

Novel laboratory is with fume chamber

Technical Field

The utility model relates to the technical field of fume hoods, in particular to a novel fume hood for a laboratory.

Background

Laboratory ventilation systems are an integral part of laboratory design. In order for laboratory workers not to inhale or swallow some toxic, pathogenic or non-toxic chemicals and organisms, there should be good ventilation in the laboratory. To prevent the absorption of some vapors, gases and particulates, the contaminants must be removed by fume hoods, hoods or local ventilation.

The perspective window of current fume chamber is slidable mounting at the fume chamber middle part mostly, and the noise is great and the operation is not steady when the perspective window removes. The transparent window cannot be fixed at any position, and is inconvenient to stop in actual operation only at the pull-down starting point and the pull-down end point.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a novel laboratory fume hood to solve the problems in the background technology.

The technical problem solved by the utility model is realized by adopting the following technical scheme: a novel laboratory ventilation cabinet comprises a cabinet body, wherein the cabinet body comprises a storage cabinet arranged at the bottom, a test chamber arranged at the upper end of the storage cabinet and a pull window used for sealing the test chamber, the top of the cabinet body is provided with an exhaust hood used for exhausting the test chamber, the upper end of the exhaust hood is communicated with an exhaust pipe, the exhaust pipe is connected with external air extraction equipment, and sealing plates are arranged around the upper end of the cabinet body, which is positioned in the test chamber, and used for covering the exhaust hood and the exhaust pipe;

the sliding window is provided with a sliding block at the upper end of the pulley, a rope is tied on the sliding block, and the rope is connected with a driving mechanism and used for controlling the lifting movement of the sliding window; one side of the lower end of the sliding window is provided with a locking mechanism, the door rail is provided with a locking plate corresponding to the locking mechanism, and pin holes are distributed in the locking plate so that the locking mechanism can be conveniently inserted and fixed.

As a further scheme of the utility model: the driving mechanism comprises rope wheel pieces which are distributed on the periphery of the top of the cabinet body, balance rods installed at the back end of the cabinet body and electric push rods for driving the balance rods to move, ropes at the upper ends of the sliding blocks penetrate through door rails and are connected with the rope wheel pieces in a rotating mode and are fixedly connected with the balance rods through the guide of the rope wheel pieces, the two ends of each balance rod are slidably installed on the cabinet body, and an output rod of each electric push rod is fixedly connected with the middle of the corresponding balance rod and used for controlling the balance rods to move up and down.

As a further scheme of the utility model: the rope sheave piece includes that fixed mounting installs the extension board on the cabinet body, rotates first gyro wheel and the second gyro wheel of installing between extension board and the cabinet body, the vertical laminating setting of first gyro wheel and second gyro wheel is equipped with the recess that the rope runs through between first gyro wheel and the second gyro wheel.

As a further scheme of the utility model: the sliding window comprises a frame and transparent glass arranged on the inner side of the frame, a pushing handle is arranged on the frame at the lower end of the sliding window, and the locking mechanism is arranged on one side of the handle.

As a further scheme of the utility model: the locking mechanism comprises a barrel seat and a push block arranged in the barrel seat in a sliding manner, a spring for pushing the push block is arranged in the barrel seat, a pin rod is arranged on one side of the push block, which is far away from the spring, and the pin rod is matched and corresponds to a pin hole in the locking plate; the barrel seat is provided with a slot, the push block is fixedly provided with a hand lever, and one side of the slot is provided with a groove for fixing the hand lever.

As a further scheme of the utility model: the outer end of the cabinet body, which is positioned in the test chamber, is provided with a controller, a socket for supplying power and a circuit breaker for controlling the on-off of a circuit.

Compared with the prior art, the utility model has the beneficial effects that: the sliding window is connected on the door rail in a sliding mode through the pulleys, so that the sliding performance is improved, the friction is reduced, the noise is reduced, and the sealing strip attached to the sliding window is arranged at the outer end, located on the sliding groove, of the door rail, so that the sealing performance of the sliding window is enhanced; the two ends of the sliding window are respectively provided with a rope and are connected with the two ends of the balancing rod through the ropes, and the electric push rod pushes the balancing rod to ascend and descend and slide on the cabinet body, so that the sliding window is stable in operation. Rope sheave spare is through first gyro wheel and second gyro wheel centre gripping rope, prevents that the rope from breaking away from rope sheave spare, prevents that personnel from manually going up the austral window, sliding sash messenger rope is not hard up to break away from. The device can also fix the sliding window through the locking mechanism, so that the sliding window can be fixed at any position.

Drawings

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

FIG. 2 is a schematic view of a sliding window mounting structure according to the present invention;

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

FIG. 4 is a schematic structural view of the locking mechanism of the present invention;

FIG. 5 is an enlarged view of the structure at A in FIG. 2;

FIG. 6 is an enlarged view of the structure at B in FIG. 2;

the following are marked in the figure: 1. a cabinet body; 2. pulling the window; 3. a locking mechanism; 4. a sheave element; 10. a circuit breaker; 11. a storage cabinet; 12. a test chamber; 13. an exhaust hood; 14. an exhaust pipe; 15. closing the plate; 16. a door rail; 17. a locking plate; 18. a controller; 19. a socket; 21. a pulley; 22. a slider; 23. a rope; 31. a cartridge holder; 32. a push block; 33. a spring; 34. a pin rod; 35. a handle; 36. a trench; 41. a balancing pole; 42. an electric push rod; 43. a support plate; 44. a first roller; 45. a second roller.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described below by combining the specific drawings.

As shown in FIGS. 1-6,

the embodiment provides a novel laboratory ventilation cabinet, which comprises a cabinet body 1, wherein the cabinet body 1 comprises a storage cabinet 11 arranged at the bottom, a test chamber 12 arranged at the upper end of the storage cabinet 11, and a pull window 2 used for sealing the test chamber 12, the top of the cabinet body 1 is provided with an exhaust hood 13 used for exhausting the test chamber 12, the upper end of the exhaust hood 13 is communicated with an exhaust pipe 14, the exhaust pipe 14 is connected with external air extraction equipment, and a sealing plate 15 is arranged around the upper end of the cabinet body 1, which is positioned at the test chamber 12, and used for covering the exhaust hood 13 and the exhaust pipe 14;

the cabinet body 1 is provided with door rails 16 at two ends of an opening of the test chamber 12, the door rails 16 are provided with corresponding sliding grooves corresponding to the sliding window 2, pulleys 21 are arranged on the outer sides of two ends of the sliding window 2 respectively, the sliding window 2 is embedded into the sliding grooves through the pulleys 21 and is in sliding connection, sealing strips are arranged at the outer ends of the sliding grooves, the sealing strips are attached to the sliding window 2 for strengthening sealing, a sliding block 22 is arranged at the upper end of the sliding window 2, which is positioned at the pulleys 21, a rope 23 is tied on the sliding block 22, and the rope 23 is connected with a driving mechanism and is used for controlling the lifting movement of the sliding window 2; one side of the lower end of the sliding window 2 is provided with a locking mechanism 3, a door rail 16 is provided with a locking plate 17 corresponding to the locking mechanism 3, and pin holes are distributed in the locking plate 17 so that the locking mechanism 3 can be inserted and fixed.

Actuating mechanism is including distributing the setting at cabinet body 1 top all around rope sheave spare 4, installing at balancing pole 41, the electric putter 42 that the drive balancing pole 41 removed of the cabinet body 1 back end, rope 23 of slider 22 upper end passes door rail 16 and is connected with rope sheave spare 4 rotation to through rope sheave spare 4 direction and balancing pole 41 fixed connection, the both ends slidable mounting of balancing pole 41 is on the cabinet body 1, and electric putter 42's output pole and balancing pole 41 middle part fixed connection for the lift of control balancing pole 41 removes. Specifically, one end of the rope 23 is connected with the slider 22, the other end of the rope 23 is connected with the balance bar 41, the middle of the rope 23 slides in a guiding manner through the rope wheel piece 4, the electric push rod 42 controls the balance bar 41 to move in a descending manner on the cabinet body 1, and the two ends of the balance bar 41 respectively pull the rope 23 to move, so that the ascending and descending control of the sliding window 2 on the door rail 16 is realized.

The rope wheel piece 4 comprises a support plate 43 fixedly mounted on the cabinet body 1, and a first roller 44 and a second roller 45 rotatably mounted between the support plate 43 and the cabinet body 1, wherein the first roller 44 and the second roller 45 are vertically attached to each other, and a groove through which the rope 23 penetrates is formed between the first roller 44 and the second roller 45, so that the rope 23 is limited, and the rope 23 is prevented from being separated from the rope wheel piece 4.

The sliding window 2 comprises a frame and transparent glass arranged on the inner side of the frame, a handle 24 for pushing is arranged on the frame at the lower end of the sliding window 2, and the locking mechanism 3 is arranged on one side of the handle 24.

The locking mechanism 3 comprises a cylinder seat 31 and a push block 32 arranged in the cylinder seat 31 in a sliding manner, a spring 33 for pushing against the push block 32 is arranged in the cylinder seat 31, a pin rod 34 is arranged on one side of the push block 32 far away from the spring 33, and the pin rod 34 is matched and corresponds to a pin hole on the locking plate 17; the barrel seat 31 is provided with a slot, the push block 32 is fixedly provided with a hand lever 35, and one side of the slot is provided with a groove 36 for fixing the hand lever 35. Specifically, the spring 33 pushes the push block 32 to slide in the barrel seat 31 to eject the pin rod 34 out, and the pin rod is inserted into the corresponding pin hole of the lock plate 17 to fix the sliding window 2 at the corresponding position, when the locking mechanism 3 is not used, a person pulls the hand rod 35 to rotate the hand rod 35 to the groove for fixing, and the pin rod 34 retracts into the barrel seat 31.

The outer end of the cabinet body 1, which is located in the test chamber 12, is provided with a controller 18, a socket 19 for power supply and a circuit breaker 10 for controlling the on-off of a circuit.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof. It is noted that, in this document, relational terms such as first and second, and the like, if any, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Claims

1. The utility model provides a novel fume chamber is used in laboratory, the intelligent cabinet temperature adjusting device comprises a cabinet body, the cabinet body is including setting up the locker in the bottom, installing at the test bin of locker upper end, being used for sealing the sliding window of test bin, its characterized in that: an exhaust hood for exhausting the test chamber is arranged at the top of the cabinet body, an exhaust pipe is communicated with the upper end of the exhaust hood and is connected with external air extraction equipment, and sealing plates are arranged on the periphery of the cabinet body, which is positioned at the upper end of the test chamber, and are used for covering the exhaust hood and the exhaust pipe;

2. A novel laboratory fume hood according to claim 1, characterized in that: the driving mechanism comprises rope wheel pieces which are distributed on the periphery of the top of the cabinet body, balance rods installed at the back end of the cabinet body and electric push rods for driving the balance rods to move, ropes at the upper ends of the sliding blocks penetrate through door rails and are connected with the rope wheel pieces in a rotating mode and are fixedly connected with the balance rods through the guide of the rope wheel pieces, the two ends of each balance rod are slidably installed on the cabinet body, and an output rod of each electric push rod is fixedly connected with the middle of the corresponding balance rod and used for controlling the balance rods to move up and down.

3. A novel laboratory fume hood according to claim 2, characterized in that: the rope sheave piece includes that fixed mounting installs the extension board on the cabinet body, rotates first gyro wheel and the second gyro wheel of installing between extension board and the cabinet body, the vertical laminating setting of first gyro wheel and second gyro wheel is equipped with the recess that the rope runs through between first gyro wheel and the second gyro wheel.

4. A novel laboratory fume hood according to claim 1, characterized in that: the sliding window comprises a frame and transparent glass arranged on the inner side of the frame, a pushing handle is arranged on the frame at the lower end of the sliding window, and the locking mechanism is arranged on one side of the handle.

5. A novel laboratory fume hood according to claim 4, characterized in that: the locking mechanism comprises a barrel seat and a push block arranged in the barrel seat in a sliding manner, a spring for pushing the push block is arranged in the barrel seat, a pin rod is arranged on one side of the push block, which is far away from the spring, and the pin rod is matched and corresponds to a pin hole in the locking plate; the barrel seat is provided with a slot, the push block is fixedly provided with a hand lever, and one side of the slot is provided with a groove for fixing the hand lever.

6. A novel laboratory fume hood according to claim 1, characterized in that: the outer end of the cabinet body, which is positioned in the test chamber, is provided with a controller, a socket for supplying power and a circuit breaker for controlling the on-off of a circuit.