Low-noise exhaust fan for lampblack purification all-in-one machine

Abstract

The utility model provides a low-noise exhaust fan for a lampblack purification all-in-one machine, which relates to the technical field of exhaust fans and comprises a bottom plate, two L-shaped plates are fixedly mounted at the top of the bottom plate, three fixing rods are fixedly mounted at the tops of the inner walls of the two L-shaped plates, and the bottoms of the six fixing rods are fixedly connected with the top of the bottom plate. A mounting plate movably sleeves the outer surface walls of the six fixing rods, a plurality of damping springs are fixedly mounted at the top of the bottom plate, the tops of the damping springs are fixedly connected with the bottom of the mounting plate, and a plurality of dampers are fixedly mounted at the top of the bottom plate. According to the exhaust fan assembly, the mounting plate can reciprocate on the six fixing rods under the action of the damping springs and the dampers, so that vibration generated when the exhaust fan assembly works is counteracted, noise transmission is reduced under the mutual cooperation of the damping springs and the dampers and the noise reduction effect is improved. Therefore, the use effect of the low-noise exhaust fan for the lampblack purification all-in-one machine is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of exhaust fans, in particular to a low-noise exhaust fan for an oil fume purification integrated machine. Background Art

[0002] The all-in-one oil fume purification machine is a device used to purify kitchen oil fumes. It consists of two main parts: an oil fume purifier and an exhaust fan. The definition of an all-in-one oil fume purification machine is to process the kitchen oil fume through a purifier, and then exhaust the purified air to the outside through an exhaust fan, thereby achieving the effect of purifying the oil fume.

[0003] The existing low-noise exhaust fan for an integrated oil fume purification machine, such as that in Chinese patent No. CN211230912U, comprises an exhaust fan body, a shell is fixedly installed on the outer surface of the exhaust fan body, a base is fixedly installed on the lower end of the shell, a first motor is fixedly installed on the right side of the upper end of the base, a first rotating shaft is arranged at the right end of the first motor, a first gear is fixedly installed on the right end of the first rotating shaft, a second gear is meshed at the upper end of the first gear, a first connecting rod is fixedly installed inside the second gear, a spiral channel is provided inside the first connecting rod, a second connecting rod is meshed inside the spiral channel, a fixing block is fixedly installed on the left end of the second connecting rod, a second rotating shaft is fixedly installed on the left end of the fixing block, and fan blades are fixedly installed on the outer surface of the second rotating shaft. The low-noise exhaust fan for an integrated oil fume purification machine described in the utility model can make the exhaust fan operate faster and bring better usage prospects.

[0004] However, in the prior art, when the exhaust fan in the oil fume purification integrated machine is working, the exhaust fan assembly will generate vibration after starting up, which increases the spread of vibration noise, thereby reducing the use effect of the exhaust fan in the oil fume purification integrated machine. Utility Model Content

[0005] The utility model aims to solve the problem that when the existing equipment is in use, the exhaust fan assembly will generate vibration after starting and running, which increases the propagation of vibration noise, and proposes a low-noise exhaust fan for an all-in-one oil fume purification machine.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a low-noise exhaust fan for an all-in-one oil fume purification machine, comprising a base plate, two L-shaped plates are fixedly installed on the top of the base plate, three fixing rods are fixedly installed on the top of the inner walls of the two L-shaped plates, and the bottoms of the six fixing rods are fixedly connected to the top of the base plate, a mounting plate is movably sleeved between the outer walls of the six fixing rods, a plurality of shock-absorbing springs are fixedly installed on the top of the base plate, the tops of the plurality of shock-absorbing springs are fixedly connected to the bottom of the mounting plate, a plurality of dampers are fixedly installed on the top of the base plate, and the tops of the plurality of dampers are fixedly connected to the bottom of the mounting plate, and a sound insulation cover is fixedly installed on the top of the mounting plate.

[0007] Preferably, one side of the outer wall of the soundproof cover is in contact with an arc frame, and a driving motor is fixedly installed on the top of the arc frame.

[0008] Preferably, a driving rod is fixedly mounted on one side of an outer wall of the driving motor, and an exhaust fan assembly is fixedly mounted on one side of an outer wall of the driving rod.

[0009] Preferably, two blocks with holes are fixedly mounted on the outer wall of the exhaust fan assembly, two mounting holes are opened on one side of the outer wall of the sound insulation cover, and the outer walls of the two blocks with holes are movably inserted into the two mounting holes.

[0010] Preferably, fixing blocks are fixedly mounted on the bottom of the inner walls of the two mounting holes, and the outer walls of the two fixing blocks are movably inserted into the interiors of the two perforated blocks.

[0011] Preferably, one side of the outer wall of the two fixing blocks is provided with an insertion hole, and the inner surface walls of the two insertion holes are movably provided with a plug strip with a hole.

[0012] Preferably, four fixing members are threadedly connected to one side of the outer wall of the soundproof cover, and the outer walls of the four fixing members are movably inserted into the inside of the two plug-in strips with holes, and a protective cover is fixedly installed on the top of the arc frame.

[0013] Compared with the prior art, the advantages and positive effects of the utility model are:

[0014] In the utility model, through the action of multiple shock-absorbing springs and multiple dampers, the mounting plate can reciprocate on six fixed rods, thereby offsetting the vibration generated when the exhaust fan assembly is working, and with the cooperation of the sound insulation cover, the propagation of noise is reduced, thereby improving the use effect of the low-noise exhaust fan used in the oil fume purification integrated machine.

[0015] In the utility model, the exhaust fan assembly is sleeved on the two fixing blocks through two perforated blocks. When the two perforated blocks are completely inside the two mounting holes, the two perforated inserting strips are inserted inside the two inserting holes, and then the four fixing members are used to pass through the two perforated inserting strips, and the two perforated inserting strips are fixed on the sound insulation cover, so that the exhaust fan assembly is fixed and limited in position in the sound insulation cover. The disassembly and assembly process is simple, and it is convenient for subsequent disassembly and assembly, maintenance or replacement, thereby ensuring the use effect of the low-noise exhaust fan for the oil fume purification integrated machine. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A three-dimensional diagram of a low-noise exhaust fan for an all-in-one oil fume purification machine is proposed for the utility model;

[0017] Figure 2 The utility model proposes a disassembled diagram of a low-noise exhaust fan for an all-in-one oil fume purification machine;

[0018] Figure 3 This is a partial disassembled diagram of a low-noise exhaust fan for an all-in-one oil fume purification machine proposed in the utility model;

[0019] Figure 4 The utility model provides a partially expanded schematic diagram of a low-noise exhaust fan for an all-in-one oil fume purification machine.

[0020] Legend:

[0021] Base plate; 2. L-shaped plate; 3. Fixing rod; 4. Mounting plate; 5. Shock-absorbing spring; 6. Damping; 7. Sound insulation cover; 8. Arc frame; 9. Drive motor; 10. Drive rod; 11. Exhaust fan assembly; 12. Block with holes; 13. Mounting hole; 14. Fixing block; 15. Socket; 16. Insert strip with holes; 17. Fixing piece; 18. Protective cover. DETAILED DESCRIPTION

[0022] In order to more clearly understand the above-mentioned purposes, features and advantages of the utility model, the utility model is further described below in conjunction with the drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0023] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0024] Embodiment 1, as Figure 1-Figure 4As shown, the utility model provides a low-noise exhaust fan for an all-in-one oil fume purification machine, comprising a base plate 1, two L-shaped plates 2 are fixedly installed on the top of the base plate 1, three fixing rods 3 are fixedly installed on the top of the inner walls of the two L-shaped plates 2, and the bottoms of the six fixing rods 3 are fixedly connected to the top of the base plate 1, a mounting plate 4 is movably sleeved between the outer walls of the six fixing rods 3, a plurality of shock-absorbing springs 5 ​​are fixedly installed on the top of the base plate 1, the tops of the plurality of shock-absorbing springs 5 ​​are fixedly connected to the bottom of the mounting plate 4, a plurality of dampers 6 are fixedly installed on the top of the base plate 1, and the tops of the plurality of dampers 6 are fixedly connected to the bottom of the mounting plate 4, a sound insulation cover 7 is fixedly installed on the top of the mounting plate 4, one side of the outer wall of the sound insulation cover 7 is in contact with an arc frame 8, and a driving motor 9 is fixedly installed on the top of the arc frame 8.

[0025] The effect achieved by the entire embodiment 1 is that when the exhaust fan is started in the oil fume purification integrated machine, the vibration generated during its operation is preliminarily reduced through the action of the sound insulation cover 7. Secondly, the sound insulation cover 7 is installed on the mounting plate 4. Since multiple shock-absorbing springs 5 ​​and multiple dampings 6 are installed between the mounting plate 4 and the base plate 1, the outer wall of each damping 6 is respectively located inside each shock-absorbing spring 5. Secondly, six fixing rods 3 are installed between the base plate 1 and the two L-shaped plates 2, and the mounting plate 4 is movably mounted on the six fixing rods 3. Therefore, through the action of multiple shock-absorbing springs 5 ​​and multiple dampings 6, the mounting plate 4 can reciprocate on the six fixing rods 3, thereby offsetting the vibration generated by the exhaust fan assembly 11 when it is working, and under the mutual cooperation with the sound insulation cover 7, the propagation of the noise generated by the exhaust fan assembly 11 is reduced, thereby improving the use effect of the low-noise exhaust fan used in the oil fume purification integrated machine.

[0026] Embodiment 2, as Figure 2-Figure 4 As shown, a driving rod 10 is fixedly installed on one side of the outer wall of the driving motor 9, an exhaust fan assembly 11 is fixedly installed on one side of the outer wall of the driving rod 10, two perforated blocks 12 are fixedly installed on the outer wall of the exhaust fan assembly 11, two mounting holes 13 are opened on one side of the outer wall of the sound insulation cover 7, and the outer walls of the two perforated blocks 12 are movably inserted into the two mounting holes 13, fixed blocks 14 are fixedly installed on the bottom of the inner walls of the two mounting holes 13, and the outer walls of the two fixed blocks 14 are movably inserted into the two perforated blocks 12, plug holes 15 are opened on one side of the outer walls of the two fixed blocks 14, and the inner walls of the two plug holes 15 are movably inserted with perforated strips 16, four fixing parts 17 are threadedly connected to one side of the outer wall of the sound insulation cover 7, and the outer walls of the four fixing parts 17 are movably inserted into the two perforated strips 16, and a protective cover 18 is fixedly installed on the top of the arc frame 8.

[0027] The effect achieved by the entire embodiment 2 is that the protective cover 18 plays a protective role on the drive motor 9. Secondly, two perforated blocks 12 are installed on the outer wall of the exhaust fan assembly 11, and the two perforated blocks 12 are just inserted into the two mounting holes 13. Since the fixing blocks 14 are installed in the two mounting holes 13, when the two perforated blocks 12 are completely inside the two mounting holes 13, the two perforated inserts 16 are inserted into the two inserts 15, and the bottoms of the two perforated inserts 16 are connected to the two mounting holes 15. The outer wall side of the sound insulation cover 7 is contacted with the four fixing parts 17, and then the two holed strips 16 are passed through and threadedly connected to the inside of the sound insulation cover 7 under the action of the four fixing parts 17, so that the two holed strips 16 are limited to one side of the outer wall of the sound insulation cover 7, and then the two holed blocks 12 and the exhaust fan assembly 11 are fixed and limited to the inside of the sound insulation cover 7. When the exhaust fan assembly 11 is damaged and needs to be repaired, it is easy to disassemble and assemble, which improves the efficiency of disassembly and assembly and maintenance, thereby ensuring the use effect of the low-noise exhaust fan for the oil fume purification integrated machine.

[0028] Working principle: First, the exhaust fan assembly 11 in the oil fume purification integrated machine is inserted into the two mounting holes 13 opened on one side of the outer wall of the sound insulation cover 7 through two perforated blocks 12, and is movably sleeved on the two fixed blocks 14. When the exhaust fan assembly 11 and the two perforated blocks 12 are completely inside the sound insulation cover 7, the two perforated inserts 16 are passed through the insertion holes 15 opened on the two fixed blocks 14, and then the two perforated blocks 12 and the exhaust fan assembly 11 are fixed and limited in the sound insulation cover 7 through the action of four fixing parts 17, and then the driving motor 9 is started to drive the driving rod 10 and the exhaust fan assembly 11 to operate. Secondly, the sound insulation cover 7 It is installed on the mounting plate 4. Since the mounting plate 4 is movably sleeved on the six fixed rods 3 installed between the base plate 1 and the two L-shaped plates 2, and a plurality of shock-absorbing springs 5 ​​and damping 6 are installed between the base plate 1 and the mounting plate 4, the mounting plate 4 can reciprocate on the six fixed rods 3, and cooperate with the sound insulation cover 7 to offset the vibration generated by the exhaust fan assembly 11 when it is working, which can reduce the noise generated by the exhaust fan assembly 11 and has a low-noise effect. When the exhaust fan assembly 11 is damaged, it is convenient for the staff to disassemble, inspect or repair it. Generally speaking, the use effect of the low-noise exhaust fan used in the oil fume purification integrated machine is improved.

[0029] The above are only preferred embodiments of the present invention, and are not intended to limit the present invention in other forms. Any technician familiar with the profession may use the technical contents disclosed above to change or modify them into equivalent embodiments with equivalent changes and apply them to other fields. However, any simple modification, equivalent change and modification made to the above embodiments based on the technical essence of the present invention without departing from the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A low-noise exhaust fan for an oil fume purification integrated machine, comprising a bottom plate (1), characterized in that: Two L-shaped plates (2) are fixedly mounted on the top of the base plate (1); three fixing rods (3) are fixedly mounted on the top of the inner walls of the two L-shaped plates (2); the bottoms of the six fixing rods (3) are fixedly connected to the top of the base plate (1); a mounting plate (4) is movably sleeved between the outer walls of the six fixing rods (3); a plurality of shock absorbing springs (5) are fixedly mounted on the top of the base plate (1); the tops of the plurality of shock absorbing springs (5) are fixedly connected to the bottom of the mounting plate (4); a plurality of dampers (6) are fixedly mounted on the top of the base plate (1); the tops of the plurality of dampers (6) are fixedly connected to the bottom of the mounting plate (4); and a soundproof cover (7) is fixedly mounted on the top of the mounting plate (4).

2. The low-noise exhaust fan for an oil fume purification integrated machine according to claim 1, characterized in that: One side of the outer wall of the soundproof cover (7) contacts an arc-shaped frame (8), and a driving motor (9) is fixedly mounted on the top of the arc-shaped frame (8).

3. The low-noise exhaust fan for an oil fume purification integrated machine according to claim 2 is characterized in that: A driving rod (10) is fixedly mounted on one side of the outer wall of the driving motor (9), and an exhaust fan assembly (11) is fixedly mounted on one side of the outer wall of the driving rod (10).

4. The low-noise exhaust fan for an oil fume purification integrated machine according to claim 3 is characterized in that: Two perforated blocks (12) are fixedly mounted on the outer wall of the exhaust fan assembly (11), two mounting holes (13) are provided on one side of the outer wall of the sound insulation cover (7), and the outer walls of the two perforated blocks (12) are movably inserted into the two mounting holes (13).

5. The low-noise exhaust fan for an oil fume purification integrated machine according to claim 4, characterized in that: A fixing block (14) is fixedly mounted on the bottom of the inner wall of each of the two mounting holes (13), and the outer walls of the two fixing blocks (14) are movably inserted into the interior of the two perforated blocks (12).

6. The low-noise exhaust fan for an integrated oil fume purifier according to claim 5, characterized in that: One side of the outer wall of the two fixed blocks (14) is provided with an insertion hole (15), and the inner surface walls of the two insertion holes (15) are movably provided with a hole insertion strip (16).

7. The low-noise exhaust fan for an integrated oil fume purifier according to claim 6, characterized in that: Four fixing members (17) are threadedly connected to one side of the outer wall of the soundproof cover (7), and the outer walls of the four fixing members (17) are movably inserted into the inside of the two hole-carrying inserts (16). A protective cover (18) is fixedly installed on the top of the arc frame (8).

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