Laboratory ventilation equipment capable of automatically opening and closing smoke filtering function

Abstract

The utility model relates to the technical field of ventilation equipment, and discloses laboratory ventilation equipment with a smoke filtering function capable of being automatically opened and closed, which comprises a ventilation shell, a closing mechanism is arranged in the middle of the inner wall of the ventilation shell, the closing mechanism comprises a first electric telescopic rod and a rotating shaft, and the output end of the first electric telescopic rod is fixedly connected with a rack. A gear is fixedly connected to the outer wall of the rear end of the rotating shaft, filtering mechanisms are arranged in the middles of the outer walls of the two sides of the ventilation shell, each filtering mechanism comprises a mounting clamping groove, and ventilation grooves are formed in the middles of the upper surface and the lower surface of each mounting clamping groove. According to the laboratory ventilation equipment disclosed by the utility model, the mounting clamping block is arranged on the filtering mechanism, and a plurality of limiting clamping plates on the mounting clamping block can be dismounted and replaced by a user in a bolt dismounting manner, so that a filter screen can normally and safely perform filtering treatment; therefore, the maintenance convenience and the service life of the equipment are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a ventilation equipment technical field especially, it relates to a laboratory ventilation equipment of filter smoke function can be self -opening and closing. BACKGROUND

[0002] The laboratory ventilation equipment is mainly used for protecting the health and safety of laboratory personnel, and guaranteeing the air quality in the laboratory, these equipment prevent the accumulation of toxic substances by effectively excluding harmful gases, smoke and volatile chemicals, which not only can reduce the pollution risk in the experiment process, but also can prevent the occurrence of accidents.

[0003] However, the main shortcomings of the traditional laboratory ventilation equipment are slow reaction speed and inconvenient maintenance, since relying on manual monitoring, when the smoke concentration in the air exceeds the standard, the equipment cannot automatically start the filter system in time, thereby causing the laboratory personnel to be exposed to harmful substances, increasing the health risk. In addition, the filter structure of the traditional ventilation equipment is usually designed to be fixed, and the filter screen cannot be replaced flexibly, the maintenance and replacement process is cumbersome, which reduces the service life and efficiency of the equipment.

[0004] Therefore, the technical personnel in the art provide a laboratory ventilation equipment with self -opening and closing filter smoke function to solve the problems in the above background. CONTENT OF THE UTILITY MODEL

[0005] The utility model aims at solving the shortcomings in the prior art, and provides a laboratory ventilation equipment with self -opening and closing filter smoke function, the laboratory ventilation equipment is respectively provided with a closing mechanism and a filter mechanism, when the smoke sensor detects that the smoke content in the air exceeds the preset standard, the first electric telescopic rod controls the closing of the partition, and the second electric telescopic rod controls the opening of the baffle, the filter screen intercepts and filters the smoke, so that the equipment can automatically start the filter mechanism when detecting the smoke, to carry out the filtering treatment, which greatly improves the reaction speed and reduces the risk of personnel being exposed to harmful substances.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] A laboratory ventilation equipment with self -opening and closing filter smoke function, including ventilation shell, the middle part of the inner wall of ventilation shell is provided with closing mechanism, the closing mechanism includes first electric telescopic rod and rotation axis, the output end of first electric telescopic rod is fixedly connected with rack, the outer wall of rotation axis rear end is fixedly connected with gear,

[0008] The middle part of the outer wall on both sides of the ventilation shell is provided with a filtering mechanism, the filtering mechanism comprises a mounting clamping groove, ventilation grooves are formed in the middle part of the upper surface and the lower surface of the mounting clamping groove, a second electric telescopic rod is hingedly connected to the center of the inner bottom surface of the ventilation groove, a ventilation opening is formed in the inner wall of one side of the ventilation groove, a baffle is hingedly connected to one side of the inner wall of the ventilation opening, a mounting clamping block is detachably connected to the inner wall of the mounting clamping groove, a plurality of limiting clamping grooves are formed in the inner wall of the mounting clamping block, and a limiting clamping plate is detachably connected to the limiting clamping groove.

[0009] Through the above technical scheme, the filtering mechanism of the laboratory ventilation equipment is provided with a mounting clamping block, and the user can disassemble and replace the plurality of limiting clamping plates on the mounting clamping block by means of disassembling the bolts, so that the filter screen can normally and safely perform filtering treatment, thereby improving the convenience of equipment maintenance and the service life.

[0010] Further, the first electric telescopic rod is fixedly connected to the inside of the rear end of the ventilation shell, and the rack is engaged with the gear;

[0011] Through the above technical scheme, the first electric telescopic rod can control the rotation of the rotating shaft to rotate at an angle through the engagement of the rack and the gear.

[0012] Further, the rotating shaft is rotatably connected to the center of the inner wall of the front end of the ventilation shell, and the outer wall of the rotating shaft is fixedly connected with a partition plate;

[0013] Through the above technical scheme, the rotating shaft can control the rotation of the partition plate at an angle, so as to control the opening or closing of the equipment.

[0014] Further, the mounting clamping groove is formed in the center of the outer wall on both sides of the ventilation shell, and the upper end and the lower end of the outer wall of the mounting clamping block are fixedly connected with mounting plates;

[0015] Through the above technical scheme, the user can bolt the mounting clamping block in the mounting clamping groove through the mounting plate.

[0016] Further, the output end of the second electric telescopic rod is hingedly connected with the baffle;

[0017] Through the above technical scheme, the second electric telescopic rod can control the baffle to automatically open or close.

[0018] Further, the lower end of the inner wall of the ventilation shell is fixedly connected with a connecting frame, and the middle part of the lower surface of the connecting frame is fixedly connected with a smoke sensor;

[0019] Through the technical scheme, the smoke sensor is arranged to detect the smoke content of the airflow entering the equipment.

[0020] Further, the lower end of the outer wall of the ventilation shell is fixedly connected with a fixing disc, and the upper end of the front end outer wall of the ventilation shell is fixedly connected with a control module.

[0021] Through the technical scheme, the fixing disc is arranged to enable the equipment to be installed at a required position, and the control module is arranged to enable the equipment to automatically control the closing mechanism and the filtering mechanism.

[0022] Further, the upper surface of the ventilation shell is fixedly connected with a mounting disc, and the middle portion of the upper surface of the mounting disc is fixedly connected with a ventilation fan.

[0023] Through the technical scheme, the mounting disc and the ventilation fan are arranged to enable a user to disassemble, replace or clean the equipment during maintenance.

[0024] The utility model has the following beneficial effects:

[0025] 1. The laboratory ventilation equipment with self-opening and closing smoke filtering function has a closing mechanism and a filtering mechanism, and when the smoke sensor detects that the smoke content in the air exceeds the preset standard, the first electric telescopic rod controls the closing of the partition plate, the second electric telescopic rod controls the opening of the baffle, and the filter screen intercepts and filters the smoke, so that the equipment can automatically start the filtering mechanism to perform filtering treatment when detecting smoke, thereby greatly improving the reaction speed and reducing the risk of personnel exposure to harmful substances.

[0026] 2. The laboratory ventilation equipment with self-opening and closing smoke filtering function has a mounting clamping block on the filtering mechanism, and the user can disassemble and replace the plurality of limiting clamping plates on the mounting clamping block by disassembling the bolts, so that the filter screen can normally and safely perform filtering treatment, thereby improving the convenience of equipment maintenance and the service life. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 The utility model provides a kind of laboratory ventilation equipment with self-opening and closing smoke filtering function structure schematic view;

[0028] Figure 2 The utility model provides a kind of laboratory ventilation equipment with self-opening and closing smoke filtering function mounting clamping block structure schematic view;

[0029] Figure 3The utility model provides a laboratory ventilation equipment of filter smoke function can be self opening and closing mounting slot structure schematic diagram of installation of the utility model provides,

[0030] Figure 4 The utility model provides a laboratory ventilation equipment of filter smoke function can be self opening and closing closing mechanism structure schematic diagram of the utility model provides,

[0031] Figure 5 The utility model provides a laboratory ventilation equipment of filter smoke function can be self opening and closing sectional view.

[0032] Legend:

[0033] 1, ventilation shell,

[0034] 2, closing mechanism, 201, first electric telescopic rod, 202, rack, 203, rotating shaft, 204, partition, 205, gear,

[0035] 3, filter mechanism, 301, mounting slot, 302, ventilation slot, 303, second electric telescopic rod, 304, ventilation opening, 305, baffle, 306, mounting block, 307, mounting plate, 308, limit slot, 309, limit plate, 3010, filter screen,

[0036] 4, connecting frame, 5, smoke sensor, 6, fixed disc, 7, control module, 8, mounting disc, 9, ventilation fan. DETAILED DESCRIPTION

[0037] The technical scheme in the embodiments of the utility model will be apparently and completely described in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor belong to the range of protection of the utility model.

[0038] An embodiment provided by the utility model:

[0039] Referring to Figure 1 、 2 , 4, a laboratory ventilation equipment of filter smoke function can be self opening and closing, including ventilation shell 1, the middle part of the inner wall of ventilation shell 1 is provided with closing mechanism 2, and the closing mechanism 2 includes first electric telescopic rod 201 and rotating shaft 203, the output end of first electric telescopic rod 201 is fixedly connected with rack 202, and the outer wall of the rear end of rotating shaft 203 is fixedly connected with gear 205;

[0040] The middle part of the outer wall of the ventilation shell 1 is provided with a filter mechanism 3, the filter mechanism 3 comprises a mounting clamping groove 301, the upper surface and the lower surface of the mounting clamping groove 301 are provided with ventilation grooves 302, the inner bottom surface of the ventilation groove 302 is hingedly connected with a second electric telescopic rod 303, the inner wall of one side of the ventilation groove 302 is provided with a ventilation opening 304, one side of the inner wall of the ventilation opening 304 is hingedly connected with a baffle 305, the inner wall of the mounting clamping groove 301 is clamped with a mounting clamping block 306, the inner wall of the mounting clamping block 306 is provided with a plurality of limiting clamping grooves 308, the inner wall of the limiting clamping groove 308 is clamped with a limiting clamping plate 309, the upper surface of the limiting clamping plate 309 is fixedly connected with a filter screen 3010, the filter mechanism 3 of the laboratory ventilation equipment is provided with the mounting clamping block 306, the user can disassemble and replace the plurality of limiting clamping plates 309 on the mounting clamping block 306 by means of disassembling the bolt, so that the filter screen 3010 can normally and safely filter, thereby improving the convenience of equipment maintenance and the service life.

[0041] With reference to Figure 1 , 4 , the first electric telescopic rod 201 is fixedly connected to the inside of the rear end of the ventilation shell 1, the rack 202 is engaged with the gear 205, the first electric telescopic rod 201 can control the rotation of the rotating shaft 203 to rotate by the engagement of the rack 202 and the gear 205, the rotating shaft 203 is rotatably connected to the center of the inner wall of the front end of the ventilation shell 1, the center of the outer wall of the rotating shaft 203 is fixedly connected with the partition plate 204, so that the rotating shaft 203 can control the partition plate 204 to rotate, so as to control the opening or closing of the equipment.

[0042] With reference to Figure 2 , 3 , 5, the mounting clamping groove 301 is provided in the center of the outer wall of the ventilation shell 1, the outer wall of the mounting clamping block 306 is fixedly connected with the mounting plate 307 at the upper end and the lower end, so that the user can screw the mounting clamping block 306 in the mounting clamping groove 301 through the mounting plate 307, the output end of the second electric telescopic rod 303 is hingedly connected with the baffle 305, so that the second electric telescopic rod 303 can control the baffle 305 to automatically open or close.

[0043] With reference to Figure 1 , 2, 3, the lower end of the inner wall of the ventilation shell 1 is fixedly connected with a connecting frame 4, the middle of the lower surface of the connecting frame 4 is fixedly connected with a smoke sensor 5, the smoke sensor 5 is arranged to detect the smoke content of the airflow entering the device, the lower end of the outer wall of the ventilation shell 1 is fixedly connected with a fixed disc 6, the upper end of the outer wall of the front end of the ventilation shell 1 is fixedly connected with a control module 7, the fixed disc 6 is arranged to enable the device to be installed at the required position, the control module 7 is arranged to enable the device to automatically control the closing mechanism 2 and the filtering mechanism 3, the upper surface of the ventilation shell 1 is fixedly connected with a mounting disc 8, the middle of the upper surface of the mounting disc 8 is fixedly connected with a ventilation fan 9, the mounting disc 8 and the ventilation fan 9 are arranged to enable the user to disassemble, replace or clean during maintenance.

[0044] Working principle: first, the device is installed at the required position through the fixed disc 6, under the action of the ventilation fan 9, the airflow enters the laboratory through the device, when the smoke sensor 5 detects that the smoke contained in the airflow exceeds the preset standard, the first electric telescopic rod 201 starts, the meshing of the gear 205 and the rack 202 makes the rotating shaft 203 close the partition plate 204, avoiding the smoke-containing airflow directly entering the laboratory, at the same time, the second electric telescopic rod 303 starts, the baffle 305 is opened, the smoke-containing airflow enters the ventilation groove 302 and is intercepted and adsorbed by the plurality of filter screens 3010, so that the smoke content of the airflow entering the laboratory is reduced, and the device can automatically filter when detecting smoke.

[0045] Finally, it should be noted that: the above only for preferred embodiments of the present application and does not limit the present application, although the foregoing detailed description of the present application, for those skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included in the scope of protection of the present application.

Claims

1. A laboratory fume hood with self-activating and deactivating smoke filtration function, comprising a fume hood shell (1), characterized in that: The middle part of the inner wall of the ventilation shell (1) is provided with a closing mechanism (2), the closing mechanism (2) comprises a first electric telescopic rod (201) and a rotating shaft (203), the output end of the first electric telescopic rod (201) is fixedly connected with a rack (202), and the outer wall of the rear end of the rotating shaft (203) is fixedly connected with a gear (205). The middle part of the outer wall of the ventilation shell (1) is provided with a filter mechanism (3), the filter mechanism (3) comprises a mounting clamping groove (301), the upper surface and the lower surface of the mounting clamping groove (301) are provided with ventilation grooves (302) in the middle part, the inner bottom surface of the ventilation groove (302) is hingedly connected with a second electric telescopic rod (303), the inner wall of one side of the ventilation groove (302) is provided with a ventilation opening (304), one side of the inner wall of the ventilation opening (304) is hingedly connected with a baffle (305), the inner wall of the mounting clamping groove (301) is matched with a mounting clamping block (306), a plurality of limiting clamping grooves (308) are formed in the inner wall of the mounting clamping block (306), the inner wall of the limiting clamping groove (308) is matched with a limiting clamping plate (309), and the upper surface of the limiting clamping plate (309) is fixedly connected with a filter screen (3010) in the middle part.

2. The laboratory fume hood with self-activating and deactivating smoke filtration function according to claim 1, characterized in that: The first electric telescopic rod (201) is fixedly connected to the inside of the rear end of the ventilation shell (1), and the rack (202) is engaged with the gear (205).

3. The laboratory fume hood with self-activating and deactivating smoke filtration function according to claim 1, characterized in that: The rotating shaft (203) is rotatably connected to the center of the inner wall of the front end of the ventilation shell (1), and the center of the outer wall of the rotating shaft (203) is fixedly connected with a partition plate (204).

4. The laboratory fume hood of claim 1, wherein: The mounting clamping groove (301) is arranged in the center of the outer wall of the ventilation shell (1), and the upper end and the lower end of the outer wall of the mounting clamping block (306) are fixedly connected with a mounting plate (307).

5. The laboratory fume hood of claim 1, wherein: The output end of the second electric telescopic rod (303) is hingedly connected with the baffle (305).

6. The laboratory fume hood of claim 1, wherein: The lower end of the inner wall of the ventilation shell (1) is fixedly connected with a connecting frame (4), and the middle part of the lower surface of the connecting frame (4) is fixedly connected with a smoke sensor (5).

7. The laboratory fume hood of claim 1, wherein: The lower end of the outer wall of the ventilation shell (1) is fixedly connected with a fixed disc (6), and the upper end of the outer wall of the front end of the ventilation shell (1) is fixedly connected with a control module (7).

8. The laboratory fume hood of claim 1, wherein: The upper surface of the ventilation shell (1) is fixedly connected with a mounting disc (8), and the middle part of the upper surface of the mounting disc (8) is fixedly connected with a ventilation fan (9).

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