Energy-saving laboratory fume hood

Abstract

The utility model relates to the technical field of laboratory fume cupboards, in particular to an energy-saving laboratory fume cupboard which comprises a lower cupboard body, a lower cupboard door is installed on the surface of one side of the lower cupboard body, an air inlet assembly is installed on the surface of the other side of the lower cupboard body, and an upper cupboard body is installed on the surface of the top of the lower cupboard body. An upper cabinet door is installed on the surface of one side of the upper cabinet body, an exhaust assembly is installed in the middle of the top of the upper cabinet body, and a storage plate is installed on the inner wall of the upper cabinet body. According to the improved laboratory fume hood, the energy-saving design is adopted, the ventilation efficiency of the laboratory fume hood can be effectively improved through cooperation of the air inlet assembly and the air exhaust assembly, energy loss is effectively reduced, the design convenient to disassemble and assemble is adopted, the object placing plate and the upper hood body can be conveniently and rapidly installed and fixed, and the practicability is high. According to different height requirements of the equipment, the distance between the object placing plates can be adjusted by quickly disassembling and assembling the object placing plates, so that the experimental equipment can be conveniently placed.

Description

Technical Field

[0001] The utility model relates to the technical field of laboratory fume hoods, in particular to an energy-saving laboratory fume hood. Background Art

[0002] Experimental research is often required in research places such as hospitals, schools, and various research institutes. In laboratories, the use of various chemical substances often causes laboratory air pollution. Some substances not only smell bad, but are also harmful to health.

[0003] In the laboratory, fume hoods are usually required to carry out experimental research. The fume hoods can discharge harmful gases generated during the experimental research process to prevent the harmful gases from causing harm to the users.

[0004] In the process of realizing the present invention, the inventors found that the existing technology had the following problems: 1. The structure of the existing laboratory fume hood is relatively simple, and the ventilation efficiency is low, which causes the ventilation equipment to be turned on for a long time, resulting in energy loss; 2. The storage plates of the existing laboratory fume hoods are usually fixedly installed, which is inconvenient to quickly disassemble and assemble the storage plates. There are differences in the heights of experimental equipment, which makes it inconvenient to adjust the spacing of the storage plates according to needs, resulting in certain limitations on the use of laboratory fume hoods. Utility Model Content

[0005] The purpose of the present invention is to provide an energy-saving laboratory fume hood to solve the problems of low ventilation efficiency and inconvenient assembly and disassembly of the laboratory fume hoods proposed in the above-mentioned background technology. To achieve the above-mentioned purpose, the present invention provides the following technical solution: an energy-saving laboratory fume hood, comprising a lower cabinet body, a lower cabinet door is mounted on one side surface of the lower cabinet body, an air inlet assembly is mounted on the other side surface of the lower cabinet body, an upper cabinet body is mounted on the top surface of the lower cabinet body, an upper cabinet door is mounted on one side surface of the upper cabinet body, an exhaust assembly is mounted in the middle of the top of the upper cabinet body, a storage plate is mounted on the inner wall of the upper cabinet body, and a quick-release assembly is mounted on one side of the inner wall of the upper cabinet body.

[0006] The air intake assembly includes an air intake chamber installed on one side surface of the lower cabinet, a first bracket is installed on the inner wall of the air intake chamber, a first motor is installed on one side surface of the first bracket, a first fan blade is installed on the output end of the first motor, a first air pump is installed on the bottom surface of the air intake chamber, one end of a first air pipe is installed on one side surface of the first air pump, and an air inlet is installed on the other end of the first air pipe.

[0007] The exhaust assembly includes an exhaust chamber installed on the top surface of the upper cabinet, a second bracket is installed on the inner wall of the exhaust chamber, a second motor is installed on two side surfaces of the second bracket, a second fan blade is installed on the output end of the second motor, a second air pump is installed on the bottom surface of the exhaust chamber, two ends of a second air pipe are installed on two side surfaces of the second air pump, and the other two ends of the second air pipe are installed with exhaust ports.

[0008] The quick-release assembly includes a sleeve installed on the inner wall of the upper cabinet, an annular baffle is installed on the inner wall of the sleeve, an insertion rod is installed on the inner wall of the annular baffle, a spring is provided on the outside of the insertion rod, a handle is installed on one side surface of the insertion rod, and a limit rod is installed on one side surface of the handle.

[0009] Further preferably, the first motor and the first fan blade constitute a transmission mechanism.

[0010] Further preferably, a dustproof net is provided on one side of the air inlet chamber.

[0011] Further preferably, the second motor and the second fan blade constitute a transmission mechanism.

[0012] Further preferably, the top of the lower cabinet, the bottom of the upper cabinet and the inner wall of the storage plate are all provided with a plurality of circular holes of consistent size and structure.

[0013] Further preferably, both ends of the storage plate are provided with plug-in blocks, and the inner wall of the upper cabinet is provided with a slot whose internal dimension structure is consistent with the external dimension structure of the plug-in block.

[0014] Further preferably, a socket having an internal dimension structure consistent with the external dimension structure of the insertion rod is opened on one side surface of the storage plate, and the insertion rod forms an elastic mechanism through the annular baffle and the sleeve and the spring, and a movable groove having an internal dimension structure consistent with the external dimension structure of the limiting rod is opened on the inner wall of the upper cabinet.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] The utility model adopts an energy-saving design, which can start the first motor, the second motor, the first air pump and the second air pump. The first motor drives the first fan blade to rotate, and delivers external air to the air inlet chamber, and the first air pump delivers the air in the air inlet chamber to the lower cabinet through the first air pipe and the air inlet. The air can enter the upper cabinet from the circular hole of the lower cabinet, and can pass through the circular holes on the inner wall of the storage plate, which can effectively improve the air fluidity inside the experimental cabinet, and the second motor drives the second fan blade to rotate, and quickly delivers the air inside the experimental cabinet to the exhaust chamber, and at the same time, the second air pump discharges the air in the exhaust chamber to the outside through the second air pipe and the exhaust port, which can quickly ventilate the experimental cabinet, effectively improve the efficiency of ventilation and reduce energy loss.

[0017] The present invention adopts a design that is easy to disassemble and assemble. An appropriate number of storage plates can be taken and plugged into the upper cabinet for installation. When plugging in, the plug rod will be driven to move to the left, driving the annular baffle to move to the left. At this time, the spring is compressed. When the insertion hole of the storage plate is consistent with the insertion rod, the spring recovers, driving the annular baffle and the insertion rod to move to the left, so that the insertion rod is inserted into the insertion hole. The storage plate and the upper cabinet can be quickly fixed. According to the different height requirements of the experimental equipment, the spacing between the storage plates can be adjusted by quickly disassembling and assembling the storage plates, which is convenient for placing the experimental equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the expanded structure of the upper cabinet door and the lower cabinet door of the utility model;

[0020] Figure 3 This is an enlarged structural diagram of the storage plate of the utility model;

[0021] Figure 4 This is a schematic diagram of the exploded and enlarged structure of the air inlet assembly of the utility model;

[0022] Figure 5 This is a schematic diagram of the exploded and enlarged structure of the exhaust assembly of the utility model;

[0023] Figure 6 This is a schematic diagram of the fully enlarged structure of the quick-release assembly of the utility model.

[0024] In the figure: 1. Lower cabinet body; 2. Lower cabinet door; 3. Air inlet assembly; 301. Air inlet chamber; 302. First bracket; 303. First motor; 304. First fan blade; 305. First air pump; 306. First air pipe; 307. Air inlet; 4. Upper cabinet body; 5. Upper cabinet door; 6. Exhaust assembly; 601. Exhaust chamber; 602. Second bracket; 603. Second motor; 604. Second fan blade; 605. Second air pump; 606. Second air pipe; 607. Exhaust port; 7. Storage board; 8. Quick release assembly; 801. Sleeve; 802. Annular baffle; 803. Insert rod; 804. Spring; 805. Handle; 806. Limit rod. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technical personnel in this field without making creative efforts shall fall within the scope of protection of the present invention.

[0026] See also Figures 1 to 6 The utility model provides a technical solution: an energy-saving laboratory fume hood, comprising a lower cabinet body 1, a lower cabinet door 2 is installed on one side surface of the lower cabinet body 1, an air inlet component 3 is installed on the other side surface of the lower cabinet body 1, an upper cabinet body 4 is installed on the top surface of the lower cabinet body 1, an upper cabinet door 5 is installed on one side surface of the upper cabinet body 4, an exhaust component 6 is installed in the middle of the top of the upper cabinet body 4, a storage plate 7 is installed on the inner wall of the upper cabinet body 4, and a quick-release component 8 is installed on one side of the inner wall of the upper cabinet body 4.

[0027] The air intake assembly 3 includes an air intake chamber 301 installed on the side surface of the lower cabinet 1, a first bracket 302 is installed on the inner wall of the air intake chamber 301, a first motor 303 is installed on the side surface of the first bracket 302, a first fan blade 304 is installed on the output end of the first motor 303, a first air pump 305 is installed on the bottom surface of the air intake chamber 301, one end of a first air pipe 306 is installed on the side surface of the first air pump 305, and an air inlet 307 is installed on the other end of the first air pipe 306.

[0028] The exhaust assembly 6 includes an exhaust chamber 601 installed on the top surface of the upper cabinet 4, a second bracket 602 is installed on the inner wall of the exhaust chamber 601, a second motor 603 is installed on the two side surfaces of the second bracket 602, a second fan blade 604 is installed on the output end of the second motor 603, a second air pump 605 is installed on the bottom surface of the exhaust chamber 601, two ends of a second air pipe 606 are installed on the two side surfaces of the second air pump 605, and the other two ends of the second air pipe 606 are installed with an exhaust port 607.

[0029] The quick-release assembly 8 includes a sleeve 801 installed on the inner wall of the upper cabinet 4, an annular baffle 802 is installed on the inner wall of the sleeve 801, an insertion rod 803 is installed on the inner wall of the annular baffle 802, a spring 804 is provided on the outside of the insertion rod 803, a handle 805 is installed on one side surface of the insertion rod 803, and a limiting rod 806 is installed on one side surface of the handle 805.

[0030] In this embodiment, Figure 4As shown, the first motor 303 and the first fan blade 304 constitute a transmission mechanism; through this design, the first motor 303 and the first air pump 305 can be started, the first motor 303 drives the first fan blade 304 to rotate, and the external air is delivered to the air inlet chamber 301, and the first air pump 305 delivers the air in the air inlet chamber 301 to the lower cabinet 1 through the first air pipe 306 and the air inlet 307, effectively improving the air flow in the experimental cabinet and facilitating ventilation of the experimental cabinet.

[0031] In this embodiment, Figure 4 As shown, a dustproof net is provided on one side of the air inlet chamber 301; this design can effectively block dust and prevent dust from entering the experimental cabinet through the air inlet 307 and affecting the experiment.

[0032] In this embodiment, Figure 5 As shown, the second motor 603 and the second fan blade 604 constitute a transmission mechanism; through this design, the second motor 603 and the second air pump 605 can be started, and the second motor 603 drives the second fan blade 604 to rotate, quickly sucking the gas inside the laboratory cabinet into the exhaust chamber 601, and the second air pump 605 discharges the air in the exhaust chamber 601 to the outside through the second air pipe 606 and the exhaust port 607, which can effectively ventilate the laboratory cabinet.

[0033] In this embodiment, Figure 2 As shown, a number of circular holes of the same size and structure are provided on the top of the lower cabinet 1, the bottom of the upper cabinet 4 and the inner wall of the storage plate 7. Through this design, air can enter the upper cabinet 4 from the circular holes of the lower cabinet 1 and pass through the circular holes on the inner wall of the storage plate 7, so that the air can flow between the upper cabinet 4 and the lower cabinet 1, which is convenient for ventilation of the experimental cabinet.

[0034] In this embodiment, Figure 3 As shown, both ends of the storage plate 7 are provided with plug-in blocks, and the inner wall of the upper cabinet 4 is provided with a slot whose internal size structure is consistent with the external size structure of the plug-in block; through this design, it is convenient to plug and install and separate the storage plate 7 with the upper cabinet 4 through the plug-in blocks and the slots. According to the height requirements of the experimental equipment, an appropriate number of storage plates 7 can be taken and plugged and installed with the upper cabinet 4 respectively. At the same time, the spacing between the storage plates 7 can be controlled, which is convenient for placing the experimental equipment.

[0035] In this embodiment, Figure 6As shown, a plug hole with an internal size structure consistent with the external size structure of the plug rod 803 is opened on one side surface of the storage plate 7, and the plug rod 803 forms an elastic mechanism through the annular baffle 802, the sleeve 801 and the spring 804, and a movable groove with an internal size structure consistent with the external size structure of the limit rod 806 is opened on the inner wall of the upper cabinet 4; through this design, when the user plugs the storage plate 7 into the upper cabinet 4, the plug rod 803 will be driven to move to the left, driving The annular baffle 802 moves to the left, and the spring 804 is compressed at this time. When the socket of the storage plate 7 is aligned with the insertion rod 803, the spring 804 recovers, driving the annular baffle 802 and the insertion rod 803 to move to the left, so that the insertion rod 803 is inserted into the socket, which can quickly fix the storage plate 7 and the upper cabinet 4. At the same time, when the insertion rod 803 moves, the limit rod 806 slides in the movable groove of the upper cabinet 4, which can limit the movement of the insertion rod 803 and prevent the insertion rod 803 from rotating.

[0036] The use method and advantages of this utility model: When the energy-saving laboratory fume hood is in use, the working process is as follows:

[0037] like Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 and Figure 6 As shown, first, according to the height requirements of the equipment, a suitable number of storage plates 7 can be taken and respectively plugged into the upper cabinet 4 for installation. At the same time, the spacing between the storage plates 7 can be controlled to facilitate the placement of the equipment. When the storage plates 7 are plugged into the upper cabinet 4, the insertion rod 803 will be driven to move to the left, driving the annular baffle 802 to move to the left. At this time, the spring 804 is compressed. When the insertion hole of the storage plate 7 is consistent with the insertion rod 803, the spring 804 is restored, driving the annular baffle 802 and the insertion rod 803 to move to the left, so that the insertion rod 803 is inserted into the insertion hole. The storage plate 7 and the upper cabinet 4 can be quickly fixed. Then, the experimental equipment is placed on the storage plate 7 and in the lower cabinet 1, and the upper cabinet door 5 and the lower cabinet door 2 are closed in turn. The first motor 303 and the second motor 6 can be started. 03. The first air pump 305 and the second air pump 605. The first motor 303 drives the first fan blade 304 to rotate, and delivers the external air to the air inlet chamber 301. The first air pump 305 delivers the air in the air inlet chamber 301 to the lower cabinet 1 through the first air pipe 306 and the air inlet 307. The air can enter the upper cabinet 4 from the circular hole of the lower cabinet 1, and can pass through the circular hole on the inner wall of the storage plate 7, which can effectively improve the air flow inside the experimental cabinet. The second motor 603 drives the second fan blade 604 to rotate, and quickly delivers the air inside the experimental cabinet to the exhaust chamber 601. At the same time, the second air pump 605 discharges the air in the exhaust chamber 601 to the outside through the second air pipe 606 and the exhaust port 607, which can quickly ventilate the experimental cabinet.

[0038] The above shows and describes the basic principles, main features, and advantages of the present invention. Persons skilled in the art should understand that the present invention is not limited to the above-described embodiments. The above-described embodiments and descriptions are merely preferred examples of the present invention and are not intended to limit the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention, and such changes and improvements fall within the scope of the present invention. The scope of protection claimed in the present invention is defined by the appended claims and their equivalents.

Claims

1. An energy-saving laboratory fume hood, comprising a lower cabinet body (1), characterized in that: A lower cabinet door (2) is installed on one side surface of the lower cabinet (1), an air inlet assembly (3) is installed on the other side surface of the lower cabinet (1), an upper cabinet (4) is installed on the top surface of the lower cabinet (1), an upper cabinet door (5) is installed on one side surface of the upper cabinet (4), an exhaust assembly (6) is installed in the middle of the top of the upper cabinet (4), a storage plate (7) is installed on the inner wall of the upper cabinet (4), and a quick-release assembly (8) is installed on one side of the inner wall of the upper cabinet (4); The air inlet assembly (3) comprises an air inlet chamber (301) mounted on a side surface of the lower cabinet (1); a first bracket (302) is mounted on an inner wall of the air inlet chamber (301); a first motor (303) is mounted on a side surface of the first bracket (302); a first fan blade (304) is mounted on an output end of the first motor (303); a first air pump (305) is mounted on the bottom surface of the air inlet chamber (301); one end of a first air pipe (306) is mounted on a side surface of the first air pump (305); and an air inlet (307) is mounted on the other end of the first air pipe (306); The exhaust assembly (6) comprises an exhaust chamber (601) mounted on the top surface of the upper cabinet (4); a second bracket (602) is mounted on the inner wall of the exhaust chamber (601); a second motor (603) is mounted on two side surfaces of the second bracket (602); a second fan blade (604) is mounted on the output end of the second motor (603); a second air pump (605) is mounted on the bottom surface of the exhaust chamber (601); two ends of a second air pipe (606) are mounted on two side surfaces of the second air pump (605); and an exhaust port (607) is mounted on the other two ends of the second air pipe (606); The quick-release assembly (8) comprises a sleeve (801) mounted on the inner wall of the upper cabinet (4); an annular baffle (802) is mounted on the inner wall of the sleeve (801); an insertion rod (803) is mounted on the inner wall of the annular baffle (802); a spring (804) is provided on the outside of the insertion rod (803); a handle (805) is mounted on one side surface of the insertion rod (803); and a limit rod (806) is mounted on one side surface of the handle (805).

2. An energy-saving laboratory fume hood according to claim 1, characterized in that: The first motor (303) and the first fan blade (304) form a transmission mechanism.

3. An energy-saving laboratory fume hood according to claim 1, characterized in that: A dustproof net is provided on one side of the air inlet chamber (301).

4. The energy-saving laboratory fume hood according to claim 1, characterized in that: The second motor (603) and the second fan blade (604) form a transmission mechanism.

5. The energy-saving laboratory fume hood according to claim 1, characterized in that: The top of the lower cabinet (1), the bottom of the upper cabinet (4) and the inner wall of the storage plate (7) are all provided with a plurality of circular holes of the same size and structure.

6. The energy-saving laboratory fume hood according to claim 1, characterized in that: Insert blocks are provided at both ends of the storage plate (7), and a slot having an internal dimension structure consistent with the external dimension structure of the insert block is provided on the inner wall of the upper cabinet (4).

7. The energy-saving laboratory fume hood according to claim 1, characterized in that: A plug hole having an internal dimension structure consistent with the external dimension structure of the insertion rod (803) is provided on one side surface of the storage plate (7), and the insertion rod (803) forms an elastic mechanism through the annular baffle (802) and the sleeve (801) and the spring (804), and a movable groove having an internal dimension structure consistent with the external dimension structure of the limiting rod (806) is provided on the inner wall of the upper cabinet (4).

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