A fume hood with a quick detachable cleaning assembly

CN224614672UActive Publication Date: 2026-08-11深圳市永盛旺实业有限公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-07-02
Publication Date
2026-08-11

AI Technical Summary

Technical Problem

这种设计在长期使用后,通风柜内部容易积聚灰尘、化学残留物等污染物,然而由于各组件难以拆卸,导致清洗维护工作极为困难,不仅耗费大量人力和时间,还可能因清洗不彻底影响通风柜的性能和使用寿命,甚至存在污染物残留引发安全事故的风险

Benefits of technology

通过侧面卡接组件与可拆卸隔板的配合,实现了隔板的快速拆卸。当需要清洗时,只需将两侧的滑块向相互背离一侧滑动,即可使卡块缩回到矩形槽内,轻松取下可拆卸隔板,极大降低了清洗维护的难度,节省了人力和时间成本,同时避免因清洗不彻底影响通风柜性能和引发安全事故。

✦ Generated by Eureka AI based on patent content.

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Abstract

This utility model relates to the field of fume hoods and discloses a fume hood with a quick-release cleaning component. It includes a housing with a rectangular opening on one side. The interior of the housing contains a removable partition. An inlet pipe and an outlet pipe are fixedly installed on the top of the housing. The partition assembly separates the inlet and outlet pipes. The partition is quickly removed through the cooperation of a side-mounted locking component with the removable partition. When cleaning is required, simply slide the sliders on both sides away from each other to retract the locking blocks into the rectangular slots, easily removing the removable partition. This greatly reduces the difficulty of cleaning and maintenance, saves manpower and time costs, and avoids affecting the fume hood's performance and causing safety accidents due to incomplete cleaning.
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Description

Technical Field

[0001] This utility model relates to the field of fume hoods, specifically a fume hood with quickly detachable and cleanable components. Background Technology

[0002] In laboratories, chemical workshops, and other similar locations, fume hoods are crucial equipment for ensuring a safe and comfortable working environment. Traditional fume hoods typically employ a monolithic structure, with internal partitions, airflow guides, and other components mostly fixed in place. Over time, this design leads to the accumulation of dust, chemical residues, and other contaminants inside the fume hood. Furthermore, the difficulty in disassembling these components makes cleaning and maintenance extremely challenging, consuming significant manpower and time. Incomplete cleaning can also negatively impact the fume hood's performance and lifespan, and may even pose a safety risk due to residual contaminants. Meanwhile, the airflow design of traditional fume hoods also has certain shortcomings. Their airflow structure is relatively simple, the airflow path inside the hood is unreasonable, and dead air zones are easily formed, resulting in low ventilation efficiency and an inability to effectively and promptly remove harmful gases and dust, making it difficult to meet the needs of working environments with high air quality requirements. Although some fume hoods with detachable components and designs that optimize airflow have emerged in the existing technology, these improvements often have problems such as cumbersome disassembly process, complex and unstable structure, or limited improvement in airflow effect. They cannot fundamentally solve the problems of difficult cleaning and maintenance of fume hoods and insufficient ventilation efficiency. Therefore, we propose a fume hood with components that can be quickly disassembled and cleaned. Utility Model Content

[0003] To address the shortcomings of existing technologies, this invention provides a fume hood with quickly detachable cleaning components, thus solving the aforementioned problems.

[0004] To achieve the above-mentioned objectives, the present invention provides the following technical solution: a fume hood with a quick-disassembly cleaning component, comprising a box body, a rectangular opening on one side of the box body, a removable partition inside the box body, an inlet pipe and an outlet pipe fixedly installed on the top of the box body, and a partition assembly inside the box body that separates the inlet pipe and the outlet pipe.

[0005] Preferably, the partition assembly includes an inclined plate and a vertical plate, the inclined plate being inclinedly disposed on the top of the vertical plate, and the vertical plate having multiple sets of strip openings at equal intervals.

[0006] Preferably, the interior of the housing is provided with side snap-fit ​​components on both sides corresponding to the detachable partition, and the side snap-fit ​​components are snapped together with the detachable partition.

[0007] Preferably, a rectangular notch is provided at the position of the side snap-fit ​​component corresponding to the detachable partition, and a snap-fit ​​groove is provided on the inner wall of the rectangular notch, and the snap-fit ​​end of the side snap-fit ​​component snaps together with the snap-fit ​​groove.

[0008] Preferably, the side-mounted locking assembly includes a fixing block, a spring, and a locking block. The fixing block is fixedly installed on the inner wall of the housing. A rectangular groove is provided on one side of the fixing block corresponding to the rectangular notch. Multiple sets of springs are fixedly installed inside the rectangular groove. A locking block is fixedly installed at one end of each set of springs. The end of the locking block extending to the outside of the fixing block is engaged with the locking groove.

[0009] Preferably, the fixing block has a strip groove that connects to the interior of the rectangular groove, and a slider is fixedly installed on the locking block at the position corresponding to the strip groove. The slider extends through the strip groove to the outside of the fixing block.

[0010] Compared with the prior art, this utility model provides a fume hood with a quick-disassembly cleaning component, which has the following advantages: The side-mounted locking assembly, in conjunction with the removable partition, enables quick disassembly of the partition. When cleaning is required, simply slide the sliders on both sides away from each other to retract the locking blocks into the rectangular slots, easily removing the removable partition. This greatly reduces the difficulty of cleaning and maintenance, saves manpower and time costs, and avoids affecting the performance of the fume hood and causing safety accidents due to incomplete cleaning. Regarding airflow, the inclined and vertical plate design in the baffle assembly effectively guides airflow. Air enters through the front opening and inlet duct, is guided by the inclined plate to the vertical plate, and then flows smoothly through the equally spaced slots on the vertical plate to the exhaust duct, avoiding dead air zones and significantly improving ventilation efficiency. This allows for the timely and effective removal of harmful gases and dust, meeting the high air quality requirements of working environments such as laboratories and chemical workshops. Furthermore, its side-mounted snap-fit ​​assembly structure is simple and stable. Compared to existing fume hoods with cumbersome disassembly and complex structures, it reduces production costs and maintenance difficulty while maintaining functionality, offering greater practicality and economy. Attached Figure Description

[0011] Figure 1 This is a schematic diagram of the structure of this utility model; Figure 2 This is a top view of the present invention; Figure 3 for Figure 2 AA section view diagram; Figure 4 for Figure 3 CC section view diagram; Figure 5 for Figure 4A magnified view of part B in the diagram.

[0012] In the diagram: 1. Box body; 2. Inlet pipe; 3. Outlet pipe; 4. Side snap-fit ​​assembly; 5. Removable partition; 6. Inclined plate; 7. Vertical plate; 8. Strip opening; 9. Rectangular groove; 10. Spring; 11. Strip groove; 12. Snap-fit ​​groove; 13. Locking block; 14. Slider; 15. Fixing block. Detailed Implementation

[0013] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0014] Please see Figure 1-5 A fume hood with a quick-release cleaning component includes a housing 1, a rectangular opening on one side of the housing 1, a removable partition 5 inside the housing 1, an inlet pipe 2 and an outlet pipe 3 fixedly installed on the top of the housing 1, and a partition assembly inside the housing 1 that separates the inlet of the inlet pipe 2 and the outlet of the outlet pipe 3. When ventilation is required, air enters through the front opening of the housing 1 and the inlet pipe 2, and then exits through the outlet pipe 3 via the opening on the partition assembly.

[0015] Furthermore, the partition assembly includes an inclined plate 6 and a vertical plate 7. The inclined plate 6 is inclinedly disposed on the top of the vertical plate 7. Multiple sets of strip-shaped openings 8 are equally spaced on the vertical plate 7. When air needs to be discharged, it passes through the strip-shaped openings 8 and then through the discharge pipe 3.

[0016] Furthermore, inside the housing 1, on both sides corresponding to the removable partition 5, there are side snap-fit ​​components 4, which are snapped together with the removable partition 5.

[0017] Furthermore, a rectangular notch is provided on the detachable partition 5 at the position corresponding to the side snap-fit ​​component 4, and a snap-fit ​​groove 12 is provided on the inner wall of the rectangular notch, and the snap-fit ​​end of the side snap-fit ​​component 4 is snapped together with the snap-fit ​​groove 12.

[0018] Furthermore, the side-mounted snap-fit ​​assembly 4 includes a fixing block 15, a spring 10, and a snap-fit ​​block 13. The fixing block 15 is fixedly installed on the inner wall of the housing 1. A rectangular groove 9 is provided on one side of the fixing block 15 corresponding to the rectangular notch. Multiple sets of springs 10 are fixedly installed inside the rectangular groove 9. A snap-fit ​​block 13 is fixedly installed on one end of each set of springs 10. The end of the snap-fit ​​block 13 extending to the outside of the fixing block 15 is snapped together with the snap-fit ​​groove 12. When the spring 10 rebounds normally, the snap-fit ​​block 13 will extend to the outside of the fixing block 15.

[0019] Furthermore, a strip groove 11 is provided on the fixing block 15, which connects to the interior of the rectangular groove 9. A slider 14 is fixedly installed on the locking block 13 at the position corresponding to the strip groove 11. The slider 14 extends to the outside of the fixing block 15 through the strip groove 11. When it is necessary to install the detachable partition 5, the sliders 14 on both sides are slid to opposite sides, then the spring 10 retracts, and then the locking block 13 retracts back into the interior of the rectangular groove 9. The rectangular openings on both sides of the detachable partition 5 are aligned with the position of the fixing block 15, and then the slider 14 is released. Then the spring 10 rebounds, and at this time the locking block 13 extends to the outside of the fixing block 15. Then the locking block 13 is engaged with the locking groove 12.

[0020] Working principle: When the removable partition 5 needs to be installed, slide the sliders 14 on both sides to opposite sides, then the spring 10 retracts, and then the locking block 13 retracts into the rectangular groove 9. Align the rectangular openings on both sides of the removable partition 5 with the position of the fixing block 15, then release the sliders 14, and then the spring 10 rebounds. At this time, the locking block 13 extends to the outside of the fixing block 15, and then the locking block 13 engages with the locking groove 12.

[0021] Structural Description: Box 1: As the main frame of the fume hood, it has a rectangular opening on one side for air intake or personnel operation; the internal space is used to install components such as removable partitions 5 and partition assemblies; the top is fixedly installed with inlet pipe 2 and exhaust pipe 3, which is the basic load-bearing structure of the entire ventilation system. Inlet duct 2: Fixedly installed on the top of the enclosure 1, it serves as the air intake channel for the fume hood. When the fume hood is in operation, air enters through the front opening of the enclosure 1 and inlet duct 2, providing a source for subsequent air circulation. Exhaust duct 3: Also fixed to the top of the enclosure 1, corresponding to the inlet duct 2. Its function is to exhaust the air processed by the partition assembly from the fume hood, realizing air circulation and renewal, and maintaining the air environment inside the enclosure. Side-mounted latching assembly 4: Installed inside the housing 1 on both sides corresponding to the removable partition 5, for quick installation and removal of the removable partition 5. It consists of a fixing block 15, a spring 10, and a latching block 13. The fixing block 15 is fixed to the inner wall of the housing 1, and has a rectangular groove 9 and a strip groove 11. Multiple sets of springs 10 are installed in the rectangular groove 9. One end of the spring 10 is connected to the latching block 13. The latching block 13 extends to the outside of the fixing block 15 through the strip groove 11 and latches with the latching groove 12 on the removable partition 5 to fix the removable partition 5. Removable partition 5: Located inside the enclosure 1, it can be removed and installed as needed for easy cleaning of the fume hood interior. A rectangular notch is provided at the position corresponding to the side snap-fit ​​component 4, with a snap-fit ​​groove 12 on the inner wall of the notch, which engages with the snap-fit ​​block 13 of the side snap-fit ​​component 4 for fixation. For removal, the removable partition 5 can be taken out by operating the slider 14 of the side snap-fit ​​component 4 to retract the snap-fit ​​block 13. Inclined plate 6: This is a component of the baffle assembly, and it is inclined and set on top of the vertical plate 7. Its function is to guide the direction of airflow, so that the air entering the fume hood can pass more smoothly through the strip opening 8 on the vertical plate 7 and finally be discharged through the exhaust pipe 3, thereby improving air circulation efficiency. Vertical plate 7: Also a partition assembly, used in conjunction with inclined plate 6. Multiple sets of strip-shaped openings 8 are equidistantly provided on vertical plate 7. Air enters the exhaust pipe 3 after passing through the strip-shaped openings 8, thus realizing the air exhaust process. Vertical plate 7 serves to separate and guide air, ensuring that air flows along a predetermined path. Slot 8: Located on the vertical plate 7, it is a key channel for air to enter the exhaust duct 3 from inside the fume hood. The arrangement of multiple slots 8 ensures the efficiency and uniformity of air exhaust, enabling the air inside the fume hood to be discharged in a timely and effective manner. Rectangular groove 9: Formed on one side of the fixed block 15 corresponding to the rectangular notch, it is used to accommodate part of the structure of the spring 10 and the locking block 13. It provides movement space for the spring 10 and the locking block 13, ensuring that the side locking assembly 4 can work normally and realize the locking and unlocking operation of the removable partition 5. Spring 10: Installed inside rectangular groove 9, one end is fixed to the bottom of rectangular groove 9, and the other end is connected to locking block 13. In normal state, spring 10 is in a rebound state, so that locking block 13 extends to the outside of fixed block 15 and engages with locking groove 12; when slider 14 is pushed, spring 10 is compressed, locking block 13 retracts into rectangular groove 9, which facilitates the installation and removal of removable partition 5. Strip groove 11: It is formed on the fixed block 15 and connects to the inside of the rectangular groove 9. Its function is to provide a sliding track for the slider 14. By sliding the slider 14 in the strip groove 11, the locking block 13 is driven to extend and retract in the rectangular groove 9, thereby realizing the locking and unlocking operation of the detachable partition 5. The snap-fit ​​groove 12 is formed on the inner wall of the rectangular notch of the removable partition 5 and is used in conjunction with the snap-fit ​​block 13 of the side snap-fit ​​assembly 4. When the snap-fit ​​block 13 extends out of the fixing block 15 under the action of the spring 10, the snap-fit ​​block 13 is embedded in the snap-fit ​​groove 12, thereby realizing the fixed connection between the removable partition 5 and the box 1. The locking block 13 is a key component of the side locking assembly 4, enabling it to perform the locking function. One end is connected to the spring 10, and the other end extends to the outside of the fixing block 15 under the action of the spring 10, engaging with the locking groove 12. Through the operation of the slider 14, the locking block 13 can extend and retract within the rectangular groove 9, thereby fixing and removing the detachable partition 5. Slider 14: Fixedly installed at the position corresponding to the slot 11 of the locking block 13, extending through the slot 11 to the outside of the fixing block 15. By pushing slider 14, the operator moves the locking block 13 within the rectangular slot 9, thereby controlling the engagement state between the locking block 13 and the locking slot 12, facilitating the installation and removal of the removable partition 5. Fixed block 15: Fixedly installed on the inner wall of the housing 1, it is the basic fixing structure of the side snap-fit ​​assembly 4. It provides space for the installation and movement of spring 10, snap-fit ​​block 13 and slider 14. Through its internal rectangular groove 9 and strip groove 11, in conjunction with spring 10, snap-fit ​​block 13 and slider 14, it realizes the quick snap-fit ​​and disassembly function of the detachable partition 5.

[0022] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A fume hood with a quick-disassembly cleaning component, comprising a housing (1), characterized in that, A rectangular opening is provided on one side of the box (1). A removable partition (5) is provided inside the box (1). An inlet pipe (2) and an outlet pipe (3) are fixedly installed on the top of the box (1). A partition assembly is provided inside the box (1), which separates the inlet of the inlet pipe (2) and the outlet pipe (3). The partition assembly includes an inclined plate (6) and a vertical plate (7). The inclined plate (6) is inclinedly disposed on the top of the vertical plate (7), and multiple sets of strip openings (8) are equidistantly provided on the vertical plate (7). The inside of the box (1) is provided with side snap-fit ​​components (4) on both sides corresponding to the detachable partition (5), and the side snap-fit ​​components (4) are snapped together with the detachable partition (5); The removable partition (5) has a rectangular notch at the position corresponding to the side snap-fit ​​assembly (4), and a snap-fit ​​groove (12) is provided on the inner wall of the rectangular notch. The snap-fit ​​end of the side snap-fit ​​assembly (4) is snapped together with the snap-fit ​​groove (12). The side snap-fit ​​assembly (4) includes a fixing block (15), a spring (10) and a snap-fit ​​block (13). The fixing block (15) is fixedly installed on the inner wall of the housing (1). A rectangular groove (9) is provided on one side of the fixing block (15) corresponding to the rectangular notch. Multiple sets of springs (10) are fixedly installed inside the rectangular groove (9). A snap-fit ​​block (13) is fixedly installed at one end of the multiple sets of springs (10). The snap-fit ​​block (13) extends to one end outside the fixing block (15) and snaps together with the snap-fit ​​groove (12).

2. The fume hood with a quick-disassembly cleaning component according to claim 1, characterized in that: The fixing block (15) has a strip groove (11) that connects to the interior of the rectangular groove (9). The locking block (13) has a slider (14) fixedly installed at the position corresponding to the strip groove (11). The slider (14) extends through the strip groove (11) to the outside of the fixing block (15).