A fume hood with easy maintenance

Abstract

The utility model relates to laboratory equipment technical field especially, it relates to a fume hood convenient to maintain, the utility model discloses a cabinet body, operation cavity, deflector and first clamping groove are set up in the cabinet body and are used to carry out the operation cavity, the rear portion of operation cavity is provided with deflector, and the top of deflector is provided with quick release structure, and quick release structure is convenient for deflector to disassemble, and the bottom of deflector is detachably clamped in the first clamping groove that sets up in the inside of operation cavity, the utility model discloses quick release structure through setting in the top of deflector, and the bottom adopts the clamping structure, has replaced the traditional screw fixed mode, and user does not need any tool, only through simple'one lifts one and pulls'action, can complete the disassembly and installation of deflector in several seconds, and the quick release design of deflector has facilitated the cleaning work of deflector itself and its rear space, has effectively eliminated the health dead angle, has guaranteed the cleanliness of fume hood inside, has maintained the efficient exhaust performance, and has prolonged the service life of equipment.

Description

Technical Field

[0001] This utility model relates to the field of laboratory equipment technology, and in particular to a fume hood that is easy to maintain. Background Technology

[0002] Fume hoods are essential safety devices in laboratories used for conducting chemical experiments and protecting personnel from toxic and harmful gases. Their core function is to rapidly remove harmful gases, fumes, dust, and other pollutants generated during experiments through an internal air duct system.

[0003] For example, a fume hood with publication (announcement) number CN222241856U that is easy to inspect and maintain belongs to the field of fume hood technology. It includes a fume hood base, a fume hood body, an operating platform, and a fume hood control component. An inner cover is fixedly installed on the top of the operating platform. Equipment slots are opened on both sides of the inner cover. The fume hood control component is installed on the inner wall of the equipment slot. The fume hood body is installed on the top of the fume hood base. An adjustment frame is fixedly installed on the top of the fume hood base. A brake stepper motor is fixedly installed on the inner wall of the adjustment frame. A ball screw is fixedly connected to the brake stepper motor. A screw nut is threaded on the outer wall of the ball screw. A load-bearing slider is fixedly connected on both sides of the screw nut. Limit rods are fixedly installed on both sides of the inner wall of the adjustment frame.

[0004] In summary, the existing technology has the following technical problems: during use, the baffle plate of the fume hood is difficult to disassemble and the inside of the fume hood is inconvenient to clean. Therefore, we propose a fume hood that is easy to maintain. Utility Model Content

[0005] The purpose of this invention is to provide a fume hood that is easy to maintain, so as to solve the problems mentioned in the background art.

[0006] To solve the above-mentioned technical problems, the present invention adopts the following technical solution:

[0007] A maintenance-friendly fume hood includes a cabinet body 100, an operating chamber 200, a baffle plate 300, and a first slot 302. The operating chamber 200 for conducting experiments is provided inside the cabinet body 100. The baffle plate 300 is provided at the rear of the operating chamber 200. The top of the baffle plate 300 is provided with a quick-release structure 301, which facilitates the disassembly of the baffle plate 300. The bottom end of the baffle plate 300 is detachably engaged in the first slot 302 provided inside the operating chamber 200.

[0008] Preferably, a first groove 102 is provided inside the side of the operating cavity 200 away from the guide plate 300, and a glass cover 101 is slidably connected in the first groove 102.

[0009] Preferably, the guide plate 300 has multiple air inlets 303 on the side near the operating chamber 200, and the air inlets 303 can effectively draw away gas from different locations inside the fume hood.

[0010] Preferably, the quick-release structure 301 includes a spring 304, a steel ball 305, a baffle 306, a latch 307, and a second slide groove 308. The top two sides of the guide plate 300 are provided with latches 307. The spring 304 and the steel ball 305 are disposed inside the latches 307. The steel ball 305 can be partially ejected from the latches 307. The top two sides of the guide plate 300 are provided with a second slide groove 308 above the latches 307. The baffle 306 is slidably connected inside the second slide groove 308.

[0011] Preferably, the quick-release structure 301 further includes a stop block 309, a second slot 310, and a magnet 311. The second slot 310 is provided in the operating cavity 200 at a position corresponding to the slot 307. A magnet 311 is fixed in the center of the second slot 310 to cooperate with a steel ball 305. A stop block 309 is fixed at the top of the operating cavity 200 to restrict the guide plate 300.

[0012] Preferably, a suction pipe 312 is sleeved on the top side of the guide plate 300 away from the operating chamber 200, the other end of the suction pipe 312 is connected to an exhaust fan 313, the output end of the exhaust fan 313 is connected to a filter 314, and the other end of the filter 314 is provided with an exhaust port 315.

[0013] It is clear without a doubt that the technical solution described above in this application can solve the technical problem that this application aims to address.

[0014] At the same time, through the above technical solutions, this utility model has at least the following beneficial effects:

[0015] 1. This utility model replaces the traditional screw fixing method by setting a quick-release structure at the top of the air deflector and adopting a snap-fit ​​structure at the bottom. Users do not need any tools and can complete the disassembly and installation of the air deflector in a few seconds with just a simple "push and pull" action.

[0016] 2. The quick-release design of the baffle plate facilitates cleaning of the baffle plate itself and the space behind it, effectively eliminating dead corners, ensuring the cleanliness of the inside of the fume hood, maintaining efficient exhaust performance, and extending the service life of the equipment, which is beneficial to its use. Attached Figure Description

[0017] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

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

[0019] Figure 2 This is a schematic diagram showing the position of the quick-release structure of this utility model;

[0020] Figure 3 This is a schematic diagram of the connection structure between the first slot and the guide plate of this utility model;

[0021] Figure 4 This is an enlarged structural diagram of the quick-release structure of this utility model;

[0022] Figure 5 This is a schematic diagram of the connection structure between the second slot and the magnet of this utility model;

[0023] Figure 6 This is a schematic diagram of the connection structure between the filter and the exhaust fan of this utility model.

[0024] The attached diagram lists the components represented by each number as follows:

[0025] In the diagram: 100, cabinet; 101, glass cover; 102, first slide rail; 200, operating chamber; 300, guide plate; 301, quick-release structure; 302, first slot; 303, air inlet; 304, spring; 305, steel ball; 306, baffle; 307, bayonet; 308, second slide rail; 309, stop block; 310, second slot; 311, magnet; 312, suction pipe; 313, exhaust fan; 314, filter; 315, exhaust vent. Detailed Implementation

[0026] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0027] Example 1

[0028] Reference Figure 1-3A maintenance-friendly fume hood includes a cabinet body 100, an operating chamber 200, a baffle plate 300, and a first slot 302. The operating chamber 200 for conducting experiments is provided inside the cabinet body 100. The baffle plate 300 is provided at the rear of the operating chamber 200. The top of the baffle plate 300 is provided with a quick-release structure 301, which facilitates the disassembly of the baffle plate 300, allowing it to be quickly and easily removed as a whole. The bottom end of the baffle plate 300 is detachably engaged in the first slot 302 provided inside the operating chamber 200. The slot 302 fits tightly with the bottom of the baffle plate 300 to reduce gas leakage.

[0029] The operating chamber 200 has a first groove 102 on the side away from the guide plate 300. The glass cover 101 is slidably connected in the first groove 102, and can be slidably opened and closed to flexibly adjust the operating space.

[0030] The baffle plate 300 has multiple air inlets 303 on the side near the operating chamber 200. The air inlets 303 enable the gas in different locations inside the fume hood to be effectively drawn away, improving the capture efficiency of harmful gases and thus better protecting the safety of the experimental operators.

[0031] Example 2

[0032] Further optimizations to Example 1, specifically, such as... Figure 4-6 As shown, the quick-release structure 301 includes a spring 304, a steel ball 305, a baffle 306, a latch 307, and a second slide groove 308. The top of the guide plate 300 has latches 307 on both sides. The latches 307 contain springs 304 and steel balls 305. The steel balls 305 can be partially ejected from the latches 307. The springs 304 provide cushioning to prevent loosening caused by vibration. The top of the guide plate 300 has second slide grooves 308 on both sides near the latches 307. The baffle 306 is slidably connected inside the second slide grooves 308.

[0033] The quick-release structure 301 also includes a stop block 309, a second slot 310, and a magnet 311. The second slot 310 is provided in the operating cavity 200 at a position corresponding to the slot 307. A magnet 311 is fixed in the center of the second slot 310 and cooperates with a steel ball 305. The magnetic cooperation between the steel ball 305 and the magnet 311 realizes the one-click snap-fit ​​fixation of the guide plate 300 without tools. A stop block 309 is fixed at the top of the operating cavity 200 to limit the guide plate 300.

[0034] A suction pipe 312 is sleeved on the top side of the baffle plate 300 away from the operating chamber 200. The other end of the suction pipe 312 is connected to the exhaust fan 313. The output end of the exhaust fan 313 is connected to the filter 314, which is an activated carbon-HEPA composite filter element. An exhaust port 315 is provided at the other end of the filter 314. The suction pipe 312 is flexibly connected to the baffle plate 300 to reduce the vibration transmission of the exhaust fan 313 and reduce noise.

[0035] In summary:

[0036] This utility model addresses the technical problems of difficult disassembly of fume hood baffles and inconvenient internal cleaning of fume hoods; it adopts the technical solutions of the above embodiments. The implementation process of the above technical solutions is as follows: When disassembling the baffle 300, the glass cover 101 is slid open, allowing the operator to work inside the operating cavity 200. At this time, the baffle 300 is pulled upwards, causing the steel ball 305 inside the baffle 300 to fall out of the second slot 310. The steel ball 305 is compressed back into the slot 307, and the bottom end of the baffle 300 disengages from the first slot 302. The baffle 300 can be removed for cleaning or replacement by pushing it inwards. When the quick-release structure 301 is damaged, the baffle 306 can be pulled out for replacement.

[0037] With the above-mentioned settings, this application will certainly solve the above-mentioned technical problems, and at the same time achieve the following technical effects:

[0038] This utility model replaces the traditional screw fixing method by setting a quick-release structure 301 at the top of the air deflector 300 and adopting a snap-fit ​​structure at the bottom. Users can complete the disassembly and installation of the air deflector in a few seconds with just a simple "push, lift and pull" action without any tools.

[0039] The quick-release design of the baffle 300 facilitates cleaning of the baffle itself and the space behind it, effectively eliminating dead corners, ensuring the cleanliness of the inside of the fume hood, maintaining efficient exhaust performance, and extending the service life of the equipment, which is beneficial to its use.

[0040] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, an electrical connection, or a connection that allows communication between them; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0041] Obviously, the embodiments described above are only some embodiments of this utility model, not all embodiments. The accompanying drawings show preferred embodiments of this utility model, but do not limit the patent scope of this utility model. This utility model can be implemented in many different forms; conversely, the purpose of providing these embodiments is to provide a more thorough and comprehensive understanding of the disclosure of this utility model. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing specific embodiments, or make equivalent substitutions for some of the technical features. Any equivalent structures made using the content of this utility model specification and drawings, directly or indirectly applied to other related technical fields, are similarly within the patent protection scope of this utility model.

Claims

1. A fume hood that is easy to maintain, characterized in that, The device includes a cabinet (100), an operating cavity (200), a guide plate (300), and a first slot (302). The operating cavity (200) for conducting experiments is provided inside the cabinet (100). A guide plate (300) is provided at the rear of the operating cavity (200). A quick-release structure (301) is provided at the top of the guide plate (300). The quick-release structure (301) facilitates the disassembly of the guide plate (300). The bottom end of the guide plate (300) is detachably snapped into the first slot (302) provided inside the operating cavity (200).

2. A fume hood according to claim 1, wherein, The operating cavity (200) has a first groove (102) on the side away from the guide plate (300), and a glass cover (101) is slidably connected in the first groove (102).

3. A fume hood according to claim 1, wherein, The baffle plate (300) has multiple air inlets (303) on the side near the operating chamber (200), and the air inlets (303) can effectively draw away the gas in different positions in the fume hood.

4. A fume hood for easy maintenance according to claim 1, wherein The quick-release structure (301) includes a spring (304), a steel ball (305), a baffle (306), a bayonet (307), and a second slide groove (308). The top two sides of the guide plate (300) are provided with bayonets (307). The bayonet (307) is provided with a spring (304) and a steel ball (305). The steel ball (305) can be ejected from the bayonet (307). The top two sides of the guide plate (300) are provided with a second slide groove (308) above the bayonet (307). The baffle (306) is slidably connected inside the second slide groove (308).

5. A fume hood according to claim 1, wherein, The quick-release structure (301) also includes a stop (309), a second slot (310) and a magnet (311). The second slot (310) is provided in the operating cavity (200) at a position corresponding to the slot (307). A magnet (311) is fixed in the center of the second slot (310) to cooperate with a steel ball (305). A stop (309) is fixed at the top of the operating cavity (200) to limit the guide plate (300).

6. A fume hood according to claim 5, wherein, The top side of the guide plate (300) away from the operating chamber (200) is fitted with a suction pipe (312), the other end of the suction pipe (312) is connected to an exhaust fan (313), the output end of the exhaust fan (313) is connected to a filter (314), and the other end of the filter (314) is provided with an exhaust port (315).

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