Draught hood shell convenient to disassemble and assemble
Through the design of cross-plug-and-removal connections and drive components of multiple sets of positioning components, the installation and disassembly of the exhaust hood is simplified, the high maintenance cost problem caused by the complex design of the traditional exhaust hood is solved, and convenient disassembly and efficient exhaust is achieved.
Patent Information
- Application Number
- CN202421922656.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-09
- Publication Date
- 2025-08-29
- Estimated Expiration
- 2034-08-09
AI Technical Summary
Traditional exhaust hoods are designed in complexity, and installation and disassembly require professional technology and tools, which takes time and increases maintenance costs.
The cross-plug-and-removal connection design of multiple sets of first positioning members and second positioning members is adopted, and the rotational power is provided in combination with the drive assembly, which simplifies the installation and disassembly process, and ensures precise positioning and sealing through the coordination between the guide and the transmission.
Users can easily install and disassemble without professional tools, improving maintenance convenience, reducing air leakage, and improving exhaust efficiency and working stability.
Smart Images

Figure CN223276891U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of fan hood shells, in particular to a fan hood shell which is easy to assemble and disassemble. Background Art
[0002] In modern industrial production and laboratory environments, exhaust hoods are crucial for controlling air quality and removing pollutants such as harmful gases, smoke, dust, steam, and heat. However, traditional exhaust hoods are often complex in design, requiring specialized technicians and specialized tools for installation and removal. This is not only time-consuming but also increases maintenance costs. Frequent cleaning and maintenance can also burden these complex structures. Utility Model Content
[0003] In order to solve the above technical problems, the utility model provides an exhaust hood shell that is easy to disassemble and assemble.
[0004] The utility model provides an exhaust hood shell that is easy to assemble and disassemble, comprising:
[0005] The hood body and the mounting member are provided with a connecting member at the through hole of the hood body, a plurality of groups of first positioning members are equidistantly provided on the connecting member, a plurality of groups of second positioning members are equidistantly provided on the mounting member, the plurality of groups of first positioning members and the plurality of groups of second positioning members are cross-pluggably connected, a flow guide member is provided on the first positioning member, the mounting member is provided on the transmission member through the mounting assembly, a flow guide groove is provided inside the transmission member, and the flow guide member is provided inside the flow guide groove of the transmission member;
[0006] Drive assembly, drive assembly is used to provide rotational power to the transmission parts.
[0007] Furthermore, the mounting assembly includes an extension member coaxially arranged on the transmission member, an adjustment assembly is arranged on the extension member, a barrier member coaxially arranged on the mounting member, a spring is arranged on the barrier member, and the other end of the spring is arranged on the adjustment assembly.
[0008] Preferably, the adjustment assembly includes a threaded column arranged in the threaded hole of the extension piece, a spring is arranged on the threaded column, an adjustment cap is arranged on the synchronizing shaft on the threaded column, and the mounting piece is arranged inside the shaft cavity of the threaded column.
[0009] Furthermore, the driving assembly includes a conductive member coaxially arranged on the transmission member and the outer wall of the extension member, the conductive member is arranged in the fixing hole of the support member, the support member is provided with a follower, and the mounting member is arranged in the positioning hole of the follower.
[0010] Preferably, an auxiliary part is provided on the support part, a transmission worm is provided at the hole groove of the auxiliary part, a transmission worm wheel is coaxially provided on the conducting part, and the transmission worm wheel is meshed with the transmission worm for transmission connection.
[0011] Furthermore, an adjusting wheel is coaxially arranged on the transmission worm.
[0012] Preferably, the supporting member and the driven member are both arranged on the fixing member, and the fixing member is provided with multiple groups of long slots.
[0013] Furthermore, a filter is provided on the air hood body.
[0014] Preferably, a sealing structure is provided at the joint between the first positioning member and the second positioning member.
[0015] Furthermore, the transmission member guide groove consists of a straight groove and a circular arc groove, and a chamfer is provided at the connection between the straight groove and the circular arc groove.
[0016] Compared with the prior art, the beneficial effects of the present invention are as follows: the cross-plug connection design of multiple groups of first positioning members and second positioning members adopted between the hood body and the mounting member greatly simplifies the installation and disassembly process. Users can easily complete the operation without professional tools, which improves the maintenance convenience and on-site operation efficiency of the equipment. The equidistantly arranged first positioning members and second positioning members ensure the precise positioning between the mounting member and the hood body, avoids the misalignment problem during assembly, maintains the sealing of the air duct, effectively reduces air leakage, thereby improving the exhaust efficiency and working stability. The guide member is used in conjunction with the guide groove inside the transmission member, the connecting member and the mounting member are connected and locked, and the drive assembly provides rotational power for the transmission member, which is used for the coordination of the guide member and the transmission member, and is convenient for disassembly and assembly. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 This is a front view structural diagram of the present utility model;
[0018] Figure 2 This is an axonometric structural diagram of the present utility model;
[0019] Figure 3 It is a schematic cross-sectional structural diagram of the present utility model;
[0020] Figure 4 It is a schematic diagram of the parts structure of the utility model;
[0021] Markings in the accompanying drawings: 1. Wind hood body; 2. Connecting part; 3. First positioning part; 4. Mounting part; 5. Second positioning part; 6. Guide part; 7. Transmission part; 8. Extension part; 9. Blocking part; 10. Spring; 11. Threaded column; 12. Adjusting cap; 13. Conducting part; 14. Supporting part; 15. Follower; 16. Transmission worm; 17. Transmission worm wheel; 18. Auxiliary part; 19. Adjusting wheel; 20. Fixing part; 21. Filter part. DETAILED DESCRIPTION
[0022] The following embodiments are used to illustrate the present invention, but are not intended to limit the scope of the present invention.
[0023] like Figures 1 to 4 As shown, the utility model is an exhaust hood shell that is easy to disassemble and assemble, comprising:
[0024] The hood body 1 and the mounting member 4 are provided with a connecting member 2 at the through hole of the hood body 1. Multiple groups of first positioning members 3 are equidistantly provided on the connecting member 2. Multiple groups of second positioning members 5 are equidistantly provided on the mounting member 4. The multiple groups of first positioning members 3 and the multiple groups of second positioning members 5 are cross-pluggably connected. A guide member 6 is provided on the first positioning member 3. The mounting member 4 is provided on the transmission member 7 through the mounting assembly. A guide groove is provided inside the transmission member 7. The guide member 6 is provided inside the guide groove of the transmission member 7.
[0025] Drive assembly, the drive assembly is used to provide rotational power for the transmission member 7; the cross-plug connection design of multiple groups of first positioning members 3 and second positioning members 5 adopted between the hood body 1 and the mounting member 4 greatly simplifies the installation and disassembly process. Users can easily complete the operation without professional tools, which improves the maintenance convenience and on-site operation efficiency of the equipment. The equidistantly arranged first positioning members 3 and second positioning members 5 ensure the precise positioning between the mounting member and the hood body, avoids the misalignment problem during assembly, maintains the sealing of the air duct, effectively reduces air leakage, thereby improving the exhaust efficiency and working stability, the guide member 6 is used in conjunction with the internal guide groove of the transmission member 7, the connecting member 2 and the mounting member 4 are connected and locked, and the drive assembly provides rotational power for the transmission member 7, which is used for the cooperation between the guide member 6 and the transmission member 7, and is convenient for disassembly and assembly.
[0026] like Figures 1 to 4 As shown, as a preferred solution, the mounting assembly includes an extension member 8 coaxially arranged on the transmission member 7, an adjustment assembly is provided on the extension member 8, a spacer 9 is coaxially arranged on the mounting member 4, the spacer 9 is slidably connected to the extension member 8, a spring 10 is provided on the spacer 9, and the other end of the spring 10 is provided on the adjustment assembly; the spring 10 is connected to the mounting member 4 through the spacer 9, and the spring 10 is connected to the extension member 8 through the adjustment assembly. The spring 10 is used to increase the matching strength between the guide member 6 and the transmission member 7, and at the same time, the matching strength between the first positioning member 3 and the second positioning member 5 is improved.
[0027] like Figures 1 to 4As shown, as a preferred solution, the adjustment component includes a threaded column 11 arranged in the threaded hole of the extension member 8, a spring 10 is arranged on the threaded column 11, an adjustment cap 12 is provided on the synchronous shaft of the threaded column 11, and the mounting member 4 is arranged inside the axial cavity of the threaded column 11; the threaded column 11 and the threaded hole in the adjustment component are used in conjunction with each other, so that the user can achieve precise control of the compression degree of the spring 10 by rotating the adjustment cap 12, thereby adjusting the fitting strength between the guide member 6 and the transmission member 7 and the first positioning member 3 and the second positioning member 5, and at the same time, the spring 10 is used to buffer the vibration of the device to ensure the stability of the fitting, and this structure is convenient for assembly of the device.
[0028] like Figures 1 to 4 As shown, as a preferred embodiment, the drive assembly includes a conductive member 13 coaxially arranged on the outer wall of the transmission member 7 and the extension member 8, the conductive member 13 is arranged in the fixing hole of the support member 14, a follower 15 is arranged on the support member 14, the mounting member 4 is arranged in the positioning hole of the follower 15, an auxiliary member 18 is provided on the support member 14, a transmission worm 16 is provided at the hole groove of the auxiliary member 18, a transmission worm wheel 17 is coaxially arranged on the conductive member 13, and the transmission worm wheel 17 is engaged with the transmission worm 16 for transmission connection; the transmission worm 16 is rotatably supported on the support member 14 through the auxiliary member 18, and the transmission worm 16 is engaged with the transmission worm wheel 17 to provide rotational power to the transmission member, and the support member 14 rotatably supports the conductive member 13, and the transmission relationship remains unchanged after the relative position moves through the cooperation of the conductive member 13 with the transmission member 7 and the extension member 8, and the mounting member 4 is positioned and supported by the follower 15 to prevent the mounting member 4 and the connecting member 2 from rotating with the transmission member 7.
[0029] like Figures 1 to 4 As shown, as a preferred solution, an adjusting wheel 19 is coaxially provided on the transmission worm 16 ; the introduction of the adjusting wheel 19 provides a direct and intuitive manual adjustment interface for the user, and the transmission worm 16 can be rotated by rotating the adjusting wheel 19 .
[0030] like Figures 1 to 4 As shown, as a preferred solution, the support member 14 and the follower 15 are both arranged on the fixing member 20, and a plurality of groups of long slots are provided on the fixing member 20; to enhance the structural stability and reliability, the support member 14 and the follower 15 are integrated and fixed on the same fixing member 20, which effectively improves the integrity and stability of the entire exhaust hood shell structure, and the installation adaptability of the fixing member 20 is increased through the long slots.
[0031] like Figures 1 to 4 As shown, as a preferred embodiment, a filter element 21 is provided on the hood body 1; the filter element 21 can effectively intercept pollutants such as dust, particulate matter, impurities, etc. in the sucked air, purify the air entering the working area or inside the equipment, improve the working environment, and play an important role in protecting the health of operators and maintaining efficient operation of equipment.
[0032] like Figures 1 to 4 As shown, as a preferred solution, a sealing structure is provided at the joint between the first positioning member 3 and the second positioning member 5; the sealing structure ensures that the first positioning member 3 and the second positioning member 5 form a tight seal when they are cross-plugged and connected, effectively preventing air leakage and significantly improving the sealing of the air duct system.
[0033] like Figures 1 to 4 As shown, as a preferred solution, the guide groove of the transmission member 7 is composed of a straight groove and a circular arc groove, and a chamfer is provided at the connection between the straight groove and the circular arc groove; the straight groove is used to limit the guide member 6, which is convenient for the plug-in connection between the first positioning member 3 and the second positioning member 5, and the circular arc groove is used to compress the spring 10 to enhance the connection strength, and the chamfer is used to guide the sliding trajectory of the guide groove of the guide member 6 and the transmission member 7.
[0034] like Figures 1 to 4 As shown, as a preferred solution, its working process is as follows:
[0035] First, the first positioning member 3 and the second positioning member 5 are cross-plugged and connected through the cooperation of the straight groove of the guide member 6 and the transmission member 7, and then the transmission worm 16 is driven to rotate by the adjusting wheel 19, and then the transmission worm 16 and the transmission worm wheel 17 are cooperated to make the conductive member 13 provide rotational power, and the transmission member 7 is driven to rotate through the conductive member 13, and then the guide member 6 and the transmission member 7 are chamfered and cooperated to slide into the inside of the arc groove. At this time, the spring 10 is compressed to connect the connecting member 2 and the mounting member 4 for locking.
[0036] The utility model provides an exhaust hood shell that is easy to assemble and disassemble. The installation method, connection method or setting method thereof are all common mechanical methods, and any method that can achieve its beneficial effects can be implemented.
[0037] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.
Claims
1. A hood shell that is easy to disassemble and assemble, characterized in that: include: A hood body and a mounting member, wherein a connecting member is provided at the through hole of the hood body, a plurality of groups of first positioning members are equidistantly provided on the connecting member, a plurality of groups of second positioning members are equidistantly provided on the mounting member, the plurality of groups of first positioning members and the plurality of groups of second positioning members are cross-pluggably connected, a flow guide member is provided on the first positioning member, the mounting member is arranged on the transmission member through the mounting assembly, a flow guide groove is provided inside the transmission member, and the flow guide member is arranged inside the flow guide groove of the transmission member; A drive assembly is used to provide rotational power to the transmission member.
2. The hood shell that is easy to assemble and disassemble as claimed in claim 1, characterized in that: The mounting assembly includes an extension member coaxially arranged on the transmission member, an adjustment assembly is arranged on the extension member, a blocking member is coaxially arranged on the mounting member, a spring is arranged on the blocking member, and the other end of the spring is arranged on the adjustment assembly.
3. The hood shell that is easy to assemble and disassemble as claimed in claim 2, characterized in that: The adjustment component includes a threaded column arranged in the threaded hole of the extension piece, the spring is arranged on the threaded column, the synchronous shaft on the threaded column is provided with an adjustment cap, and the mounting piece is arranged inside the threaded column shaft cavity.
4. The hood shell that is easy to assemble and disassemble as claimed in claim 2, characterized in that: The driving assembly includes a conductive member coaxially arranged on the transmission member and the outer wall of the extension member, the conductive member is arranged in the support member fixing hole, the support member is provided with a follower, and the mounting member is arranged in the follower positioning hole.
5. The easily disassembled exhaust hood shell according to claim 4, characterized in that: An auxiliary part is provided on the support part, a transmission worm is provided at the hole groove of the auxiliary part, a transmission worm wheel is coaxially provided on the conductive part, and the transmission worm wheel is meshed and connected with the transmission worm.
6. The easily disassembled exhaust hood shell according to claim 5, characterized in that: An adjusting wheel is coaxially arranged on the transmission worm.
7. The easily disassembled exhaust hood shell according to claim 4, characterized in that: The supporting member and the driven member are both arranged on a fixing member, and the fixing member is provided with a plurality of groups of long slots.
8. The easily disassembled exhaust hood shell according to claim 1, characterized in that: A filter is provided on the air hood body.
9. The easily disassembled exhaust hood housing according to claim 1, characterized in that: A sealing structure is provided at the joint between the first positioning member and the second positioning member.
10. The easily disassembled exhaust hood shell according to claim 1, characterized in that: The transmission member guide groove consists of a straight groove and a circular arc groove, and a chamfer is provided at the connection between the straight groove and the circular arc groove.