Laboratory ventilation device

The ventilation duct can be easily installed and disassembled using a plug-in and snap-fit ​​connection method. Combined with the activated carbon layer and gas filter, it solves the problem of inconvenient maintenance of existing equipment and achieves the effects of rapid maintenance and effective gas filtration.

CN223882486UActive Publication Date: 2026-02-06HUASHEN SCIENTIFIC RESEARCH ARCHITECTURAL DESIGN (SHENZHEN) CO LTD
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Patent Information

Application Number
CN202520326789.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-27
Publication Date
2026-02-06
Estimated Expiration
2035-02-27

AI Technical Summary

Technical Problem

The existing laboratory ventilation system is difficult to maintain when repairing the ventilation ducts, mainly because the screws make disassembly inconvenient.

Method used

The ventilation duct is easily installed and removed by inserting the plug into the socket and snapping the snap into the slot. Combined with the activated carbon layer and gas filter, it performs gas filtration and detection.

Benefits of technology

It enables quick installation and disassembly of ventilation ducts, facilitating maintenance, and effectively filters toxic gases through filters, improving safety and environmental protection.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223882486U_ABST
    Figure CN223882486U_ABST
Patent Text Reader

Abstract

The utility model discloses a laboratory ventilation device in the technical field of ventilation devices, which comprises a laboratory body and a fixing sleeve, the fixing sleeve is arranged on one side of the laboratory body, a ventilation pipe is arranged in the fixing sleeve, a dustproof net is arranged on the surface of the ventilation pipe, an activated carbon layer is arranged in the ventilation pipe, and dustproof cotton is arranged in the ventilation pipe. A socket is arranged at the top of the fixing sleeve, an inserting block is arranged on one side of the ventilation pipe, the inserting block and the socket are fixed in a penetrating and inserting mode, a storage groove is embedded in the surface of the inserting block, a spring is arranged in the storage groove and fixedly connected with the storage groove, a buckle is arranged in the storage groove, and a clamping groove is formed in one side of the socket. By arranging the fixing sleeve, the ventilation pipe, the filter screen, the activated carbon layer, the insertion base, the insertion block, the buckle and the clamping groove, convenience is provided for mounting and dismounting of the ventilation pipe, and fixing can be completed only by inserting the ventilation pipe into the fixing sleeve, inserting the insertion block into the insertion base and clamping the buckle into the clamping groove.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to ventilation device technical field, concretely relates to a laboratory ventilation device. BACKGROUND

[0002] Due to some special needs, the air in the laboratory is required to be high. During the test, some toxic and harmful gases are often generated in the laboratory. In order to protect the safety of the experimenter and prevent the experimenter from inhaling excessive harmful gases and causing harm to health, we need to ventilate the laboratory frequently.

[0003] The existing laboratory ventilation device still has some defects, and it is more troublesome to overhaul the ventilation pipeline. Since it is fixed by many screws, it is more troublesome to disassemble. Therefore, we provide a laboratory ventilation device. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a laboratory ventilation device to solve the problem that it is more troublesome to overhaul the ventilation pipeline in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical scheme: a laboratory ventilation device, which comprises a laboratory body and a fixing sleeve, one side of the laboratory body is provided with the fixing sleeve, the inside of the fixing sleeve is provided with a ventilation pipe, the surface of the ventilation pipe is provided with a dust screen, the inside of the ventilation pipe is provided with an activated carbon layer, the inside of the ventilation pipe is provided with dustproof cotton, the top of the fixing sleeve is provided with a socket, one side of the ventilation pipe is provided with a plug block, the plug block and the socket are fixed by penetrating, the surface of the plug block is embedded with a storage groove, the inside of the storage groove is provided with a spring, the spring and the storage groove are fixedly connected, the inside of the storage groove is provided with a buckle, the buckle and the storage groove are slidably connected, one side of the socket is provided with a clamping groove, and the buckle and the clamping groove are fixed by clamping.

[0006] Preferably, the inside of the laboratory body is provided with a gas collecting pipe, one side of the gas collecting pipe is provided with a branch pipe, and the branch pipe and the gas collecting pipe are communicated with each other.

[0007] Preferably, one side of the branch pipe is provided with an air suction head, and the air suction head and the branch pipe are provided with a plurality of air suction heads.

[0008] Preferably, one side of the gas collecting pipe is provided with a connecting pipe, the connecting pipe and the gas collecting pipe are communicated with each other, and one end of the connecting pipe is provided with a suction fan.

[0009] Preferably, one end of the suction fan is provided with a conveying pipe, and one end of the conveying pipe is provided with a gas filter.

[0010] Preferably, one end of the gas filter is provided with an exhaust pipe, and a toxic gas sensing probe is provided on one side of the exhaust pipe.

[0011] Compared with the prior art, the beneficial effects of this utility model are:

[0012] 1. The installation and removal of the ventilation duct are facilitated by the included fixing sleeve, ventilation duct, filter screen, activated carbon layer, socket, plug, buckle and slot. Simply insert the ventilation duct into the fixing sleeve, insert the plug into the socket, and snap the buckle into the slot to complete the fixing, which facilitates the maintenance of the structure.

[0013] 2. The system is equipped with a gas collection pipe, branch pipe, suction head, connecting pipe, and suction fan, which enables the ventilation of the laboratory interior. When the suction fan is activated, the gas inside the laboratory is drawn into the branch pipe through the suction head, then into the gas collection pipe, and finally into the gas filter through the connecting pipe. The gas filter can filter the exhaust gas to prevent it from polluting the external environment. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0015] Figure 2 This is a schematic diagram of the explosion structure of the ventilation duct of this utility model;

[0016] Figure 3 This is a side view of the present invention.

[0017] Figure 4 For the present utility model Figure 2 Enlarged structural diagram of section A.

[0018] In the diagram: 1. Laboratory body; 2. Fixing sleeve; 3. Ventilation pipe; 4. Dustproof net; 5. Activated carbon layer; 6. Dustproof cotton; 7. Socket; 8. Insert block; 9. Storage slot; 10. Spring; 11. Buckle; 12. Slot; 13. Gas collection pipe; 14. Branch pipe; 15. Suction head; 16. Connecting pipe; 17. Fan; 18. Gas filter; 19. Exhaust pipe. Detailed Implementation

[0019] 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.

[0020] Please seeFigures 1-4 The utility model provides a technical scheme: a laboratory ventilation and air exchange device, including laboratory body 1 and fixed sleeve 2, one side of laboratory body 1 is equipped with fixed sleeve 2, the inside of fixed sleeve 2 is equipped with ventilation pipe 3, the surface of ventilation pipe 3 is equipped with dust screen 4, the inside of ventilation pipe 3 is equipped with activated carbon layer 5, the inside of ventilation pipe 3 is equipped with dustproof cotton 6, the top of fixed sleeve 2 is equipped with socket 7, one side of ventilation pipe 3 is equipped with insertion block 8, and insertion block 8 and socket 7 pass through and insert fixed, the surface of insertion block 8 is embedded with storage groove 9, the inside of storage groove 9 is equipped with spring 10, and spring 10 and storage groove 9 are fixedly connected, the inside of storage groove 9 is equipped with buckle 11, and buckle 11 and storage groove 9 are slidably connected, one side of socket 7 is equipped with clamping groove 12, and buckle 11 and clamping groove 12 are fixed by clamping.

[0021] In the embodiment, when the laboratory ventilation and air exchange device is used, ventilation pipe 3 is inserted into the inside of fixed sleeve 2, at this time, insertion block 8 is inserted into the inside of socket 7, buckle 11 is compressed into the inside of storage groove 9 under the extrusion of the inner wall of socket 7, and spring 10 is compressed, when buckle 11 moves to the position of clamping groove 12, buckle 11 is clamped into the inside of clamping groove 12 under the reaction force of spring 10, so that the fixing can be completed, when disassembling, buckle 11 is pressed, insertion block 8 is pulled out from the inside of socket 7, and the disassembly is completed, which provides convenience for the overhaul of ventilation pipe 3.

[0022] Specifically, the inside of laboratory body 1 is equipped with gas collecting pipe 13, one side of gas collecting pipe 13 is equipped with branch pipe 14, branch pipe 14 and gas collecting pipe 13 are communicated with each other, one side of branch pipe 14 is equipped with suction head 15, a plurality of suction heads 15 are arranged on branch pipe 14, one side of gas collecting pipe 13 is equipped with connecting pipe 16, connecting pipe 16 and gas collecting pipe 13 are communicated with each other, one end of connecting pipe 16 is equipped with air suction fan 17, one end of air suction fan 17 is equipped with conveying pipe, one end of conveying pipe is equipped with gas filter 18, one end of gas filter 18 is equipped with exhaust pipe 19, one side of exhaust pipe 19 is equipped with toxic gas sensing probe.

[0023] In the embodiment, the gas collecting pipe 13, branch pipe 14, suction head 15, connecting pipe 16 and air suction fan 17 are arranged, the function of ventilating the inside of laboratory body 1 is realized, the air suction fan 17 is started, the gas in the laboratory is sucked into the inside of branch pipe 14 through suction head 15, then enters the inside of gas collecting pipe 13, and under the transportation of connecting pipe 16, enters the inside of gas filter 18, the gas filter 18 can filter the discharged gas, avoids the pollution to the external environment, the toxic gas sensing probe is arranged, the discharged gas can be detected, and the safety is effectively improved.

[0024] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A laboratory ventilation and air exchange device, comprising a laboratory body (1) and a fixing sleeve (2), characterized in that: The laboratory body (1) has a fixed sleeve (2) on one side, a ventilation pipe (3) inside the fixed sleeve (2), a dustproof net (4) on the surface of the ventilation pipe (3), an activated carbon layer (5) inside the ventilation pipe (3), a dustproof cotton (6) inside the ventilation pipe (3), a socket (7) on the top of the fixed sleeve (2), a plug (8) on one side of the ventilation pipe (3), the plug (8) and the socket (7) are fixed by interlocking, a storage groove (9) is embedded on the surface of the plug (8), a spring (10) is provided inside the storage groove (9), the spring (10) and the storage groove (9) are fixedly connected, a buckle (11) is provided inside the storage groove (9), the buckle (11) and the storage groove (9) are slidably connected, a slot (12) is provided on one side of the socket (7), the buckle (11) and the slot (12) are fixed by snapping.

2. The laboratory ventilation and air exchange device according to claim 1, characterized in that: The laboratory body (1) is equipped with a gas collecting pipe (13) inside, and a branch pipe (14) is provided on one side of the gas collecting pipe (13). The branch pipe (14) and the gas collecting pipe (13) are connected to each other.

3. A laboratory ventilation and air exchange device according to claim 2, characterized in that: One side of the branch pipe (14) is provided with an air intake head (15), and multiple air intake heads (15) and branch pipes (14) are provided.

4. A laboratory ventilation and air exchange device according to claim 2, characterized in that: A connecting pipe (16) is provided on one side of the air collecting pipe (13), and the connecting pipe (16) and the air collecting pipe (13) are connected to each other. A suction fan (17) is provided at one end of the connecting pipe (16).

5. A laboratory ventilation and air exchange device according to claim 4, characterized in that: One end of the suction fan (17) is provided with a transport pipe, and one end of the transport pipe is provided with a gas filter (18).

6. A laboratory ventilation and air exchange device according to claim 5, characterized in that: One end of the gas filter (18) is provided with an exhaust pipe (19), and a toxic gas sensing probe is provided on one side of the exhaust pipe (19).