CN219176652U

CN219176652U - Noise-reducing external rotor fan

Info

Publication number: CN219176652U
Application number: CN202222573249.4U
Authority: CN
Inventors: 李亮; 尹祖悦; 马凤娟; 任吉鑫; 任吉昌
Original assignee: Shandong De Blower Co ltd
Current assignee: Shandong De Blower Co ltd
Priority date: 2022-09-28
Filing date: 2022-09-28
Publication date: 2023-06-13
Anticipated expiration: 2032-09-28

Abstract

The utility model relates to the technical field of fans, in particular to a noise-reducing outer rotor fan. The technical proposal comprises: shell, support frame and mounting panel, the inside movable mounting of shell has the fan subassembly, the inside fixedly connected with abatvoix of fan subassembly outlying shell, the bottom fixedly connected with fixing base of shell, the bottom fixedly connected with shock pad of fixing base, the bottom fixedly connected with connecting plate of shock pad, the bottom movable mounting of connecting plate has the support frame, the top fixedly connected with inserted block of support frame, the bottom movable mounting of support frame has the mounting panel, the top fixedly connected with stopper of mounting panel. The utility model can effectively reduce noise pollution generated when the device operates by combining various structures, improves the environmental protection effect of the device, reduces the stability effect when the device operates, and is convenient for users to select the use mode of the device and quickly detach the maintenance device.

Description

Noise-reducing external rotor fan

Technical Field

The utility model relates to the technical field of fans, in particular to a noise-reducing external rotor fan.

Background

The fan is a driven fluid machine which is used for compressing air and delivering air, the fan is a habit of short for air compressing and delivering air, the fan comprises an outer rotor fan, the outer rotor fan is a fan with a stator in the middle of a motor, and a rotor is outside, when a high-speed rotating component in the existing outer rotor fan rotates at a high speed, larger noise pollution can be generated, the environmental protection effect of the device is affected, only one mounting structure, namely the mounting mode, can not be selected according to the requirement, and when the maintenance device is disassembled, the device can be disassembled and maintained by utilizing a plurality of fixing structures which are unscrewed, so that time and labor are consumed, and the maintenance efficiency is influenced.

Through retrieval, patent publication number CN209370116U discloses an external rotor fan, which comprises a rotor arranged outside a motor, a plurality of fan blades connected with the rotor, an air duct arranged at an air outlet, and a connecting shaft for connecting the rotor and the fan blades, wherein the axial lead of the connecting shaft coincides with that of the rotor, the connecting shaft comprises a fan blade connecting part which is unfolded along the radial direction of the connecting shaft, and the rotor is fixedly connected with the fan blade connecting part; the air duct comprises at least one level of thread part and at least one level of diffusion part which are alternately connected, the diffusion part is of a horn-shaped tubular structure, a plurality of noise reduction structures are not arranged in CN209370116U in the prior art, larger noise pollution is generated when the device operates, the environmental protection effect of the device is affected, and the installation mode of the device cannot be selected according to the requirement only by adopting one installation structure, namely the installation mode; and have not a plurality of mounting structures namely mode and quick detachable mounting structure, can't select the mounting means of device as required, when dismantling the maintenance device, need utilize a plurality of according to unscrewing a plurality of fixed knot constructs just can dismantle the maintenance to the device, comparatively consume time and manpower, influence maintenance efficiency, in view of this we propose an outer rotor fan of making an uproar of falling and solve current problem.

Disclosure of Invention

The utility model aims to provide a noise-reducing outer rotor fan so as to solve the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an external rotor fan of making an uproar falls, includes shell, support frame and mounting panel, the inside movable mounting of shell has the fan subassembly, the inside fixedly connected with abatvoix of fan subassembly outlying shell, the bottom fixed mounting of shell has the fixing base, the bottom fixedly connected with shock pad of fixing base, the bottom fixed mounting of shock pad has the connecting plate, the bottom movable mounting of connecting plate has the support frame, the top fixedly connected with inserted block of support frame, and the inserted block gomphosis with the connecting plate, the bottom movable mounting of support frame has the mounting panel, the inside movable mounting of mounting panel has the gim peg, the top fixedly connected with stopper of mounting panel, and stopper and support frame gomphosis, movable mounting has the spacing bolt between stopper and the support frame.

The user passes through the device and is connected with the external structure, be connected external power equipment and fan subassembly, can utilize the device to carry out gas transportation, when the device is operated, fan subassembly high-speed rotation can produce great noise, the abatvoix is the perforated plate, can absorb the noise that fan subassembly high-speed rotation produced through the abatvoix, noise pollution that produces when reducing fan subassembly high-speed rotation, the shock pad adopts damping rubber material to make, better shock attenuation effect, can alleviate the impact force and the vibrations between the external structure that transmit ground when the device is operated, noise that collision produced each other with the external structure that the ground is the device when the device is operated is reduced, the user's accessible is fixed support frame and external structure, can support fixed use to the device, the user also can insert the inside of support frame with the stopper, and screw in between stopper and the support frame with the stop bolt, can connect fixedly with mounting panel and the support frame, through screw in between mounting panel and the external structure, can carry out the side hang support with the device and external structure and install and use on various equipment.

Preferably, the surface of the two sides of the support frame is fixedly connected with a positioning piece, and a positioning bolt is movably arranged in the positioning piece. The user can fix the support frame, namely the device and the external structure by connecting the locating piece with the external structure and screwing the locating bolt between the locating piece and the external structure.

Preferably, the surface of the connecting plate is movably provided with a plug, a clamping hole is formed in the plug, and the plug is overlapped with the clamping hole. After the device is maintained, the insertion block is inserted into the connecting plate, and the limiting bolt is screwed into the clamping hole, so that the connecting plate and the supporting frame can be fixed.

Preferably, the support frame top fixedly connected with gag lever post of inserted block both sides, the spacing groove has been seted up to the inside of connecting plate, and gag lever post and spacing groove gomphosis mutually. When the insert block is inserted into the connecting plate, the limiting rod is inserted into the limiting groove, so that the friction force between the connecting plate and the supporting frame is increased, and the stabilizing effect of the connection of the connecting plate and the supporting frame is improved.

Preferably, the surface of the support frame is provided with a protective door through a hinge, and the surface of the protective door is fixedly connected with a handle. The user pulls through holding the handle and opens the guard gate, can place the maintenance tool to the inside of support frame and store.

Preferably, the inside fixedly connected with antiskid block of peripheral connecting plate of inserted block, and antiskid line has been seted up to the inside of antiskid block. The friction force between the inserting block and the connecting plate is increased through the anti-skid block, so that the stabilizing effect of the connection of the connecting plate and the supporting frame is further improved.

Compared with the prior art, the utility model has the beneficial effects that:

1. through at the inside fixedly connected with abatvoix of fan subassembly outlying shell, when the device is operated, can absorb the noise that fan subassembly high-speed rotation produced through the abatvoix, noise pollution that produces when reducing fan subassembly high-speed rotation, impact force and the vibrations between the shock pad adoption can be transmitted for ground promptly outer structure when the device is operated slow down, noise that produces with ground promptly outer structure collision each other when the device is operated, thereby the effectual noise pollution that produces when the device is operated that has reduced, the environmental protection effect of device has been promoted, the stable effect when the device is operated has been reduced simultaneously.

2. Through the bottom movable mounting at the connecting plate has the support frame, user accessible is fixed support frame and outer structure, can support fixed use to the device, also can be connected fixed mounting panel and support frame, through with the gim peg screw in between mounting panel and the outer structure, can carry out the side with device and outer structure and hang the support and install the use for install to use on various equipment, thereby the user of being convenient for needs select the use mode of device, the user is when needs are maintained the device, through unscrewing the gim peg, and lift the shell, can maintain the device fast, the efficiency of maintaining the device has been promoted.

Drawings

FIG. 1 is a front view of the present utility model;

FIG. 2 is a schematic view of the internal structure of the present utility model;

FIG. 3 is a schematic view of the sound absorbing panel and the housing according to the present utility model;

FIG. 4 is a schematic view of a partial structure of a housing and fan assembly according to the present utility model.

In the figure: 1. a housing; 2. a fixing seat; 3. a shock pad; 4. a support frame; 401. a protective door; 402. a handle; 5. a mounting plate; 501. a fixing bolt; 6. a limiting block; 601. a limit bolt; 7. a positioning piece; 701. a positioning bolt; 8. a connecting plate; 801. a plug; 9. inserting blocks; 901. a clamping hole; 10. an anti-skid block; 11. a limit groove; 12. a limit rod; 13. a fan assembly; 14. an acoustic panel.

Detailed Description

The technical scheme of the utility model is further described below with reference to the attached drawings and specific embodiments.

Example 1

As shown in fig. 1, fig. 2, fig. 3 and fig. 4, the noise-reducing outer rotor fan provided by the utility model comprises a shell 1, a support frame 4 and a mounting plate 5, wherein a fan assembly 13 is movably mounted in the shell 1, a sound absorbing plate 14 is fixedly connected in the shell 1 at the periphery of the fan assembly 13, a fixing seat 2 is fixedly mounted at the bottom of the shell 1, a shock pad 3 is fixedly connected at the bottom of the fixing seat 2, a connecting plate 8 is fixedly mounted at the bottom of the shock pad 3, a support frame 4 is movably mounted at the bottom of the connecting plate 8, an inserting block 9 is fixedly connected with the top of the support frame 4, the mounting plate 5 is movably mounted at the bottom of the support frame 4, a fixing bolt 501 is movably mounted in the mounting plate 5, a limiting block 6 is fixedly connected with the top of the mounting plate 5, the limiting block 6 is meshed with the support frame 4, positioning bolts 701 are movably mounted between the limiting block 6 and the support frame 4, inserting bolts 801 are movably mounted on the surface of the two sides of the support frame 4, clamping holes 901 are formed in the interior of the inserting block 9, and the clamping holes 901 are overlapped with the clamping holes 901.

The working principle of the noise reduction outer rotor fan based on the embodiment 1 is as follows: the user is connected with the external structure through the device, the external power equipment is connected with the fan assembly 13, the device can be utilized for gas transmission, when the device is operated, the fan assembly 13 rotates at high speed to generate larger noise, the acoustic board 14 is a porous plate, the noise generated by the high-speed rotation of the fan assembly 13 can be absorbed through the acoustic board 14, the noise pollution generated when the fan assembly 13 rotates at high speed is reduced, the shock pad 3 is made of shock-absorbing rubber materials, the shock-absorbing effect is better, the impact force and the vibration force transferred to the ground, namely the external structure, when the device is operated can be relieved, the noise generated by the mutual collision between the device and the ground, namely the external structure, is reduced, thereby the noise pollution generated when the device is operated is effectively reduced, the environmental protection effect of the device is improved, the stabilizing effect when the device is operated is reduced, the user can fix the support frame 4 and the external structure to support and fix the device, the user can also insert the limiting block 6 into the support frame 4, and screw the limiting bolt 601 between the limiting block 6 and the support frame 4, and can connect and fix the mounting plate 5 and the support frame 4, and screw the fixing bolt 501 between the mounting plate 5 and the external structure, and can mount the device and the external structure for mounting on various devices for use, thereby facilitating the use of the device by the user, when the user needs to maintain the device, the user can quickly maintain the device by unscrewing the plug 801 and lifting the shell 1 to separate the connecting plate 8 from the plug 9, and the user can connect the positioning piece 7 with the external structure and screw the positioning bolt 701 between the positioning piece 7 and the external structure, the support frame 4, namely the device and the external structure can be fixed, and after the maintenance of the device is finished, the insertion block 9 is inserted into the connecting plate 8, and the limit bolt 601 is screwed into the clamping hole 901, so that the connecting plate 8 and the support frame 4 can be fixed.

Example two

As shown in fig. 1 and 2, compared with the first embodiment, the present embodiment of the present utility model further includes: the support frame 4 top fixedly connected with gag lever post 12 of inserted block 9 both sides, limit groove 11 has been seted up to the inside of connecting plate 8, and gag lever post 12 and limit groove 11 gomphosis mutually, and the surface of support frame 4 is through hinge mounting has guard gate 401, and guard gate 401's fixed surface is connected with handle 402, and the inside fixedly connected with antiskid block 10 of the peripheral connecting plate 8 of inserted block 9, and antiskid line has been seted up to the inside of antiskid block 10.

In this embodiment, as shown in fig. 2, when the insert 9 is inserted into the connecting plate 8, the stop lever 12 is inserted into the stop groove 11, so as to increase the friction between the connecting plate 8 and the supporting frame 4, thereby increasing the stability of the connection between the connecting plate 8 and the supporting frame 4; as shown in fig. 1, a user can hold the handle 402 to pull the protective door 401 open, so that the maintenance tool can be placed in the support frame 4 for storage; as shown in fig. 2, the friction force between the insert block 9 and the connecting plate 8 is increased through the anti-skid block 10, so that the stabilizing effect of the connection of the connecting plate 8 and the supporting frame 4 is further increased.

The above-described embodiments are merely a few preferred embodiments of the present utility model, and many alternative modifications and combinations of the above-described embodiments will be apparent to those skilled in the art based on the technical solutions of the present utility model and the related teachings of the above-described embodiments.

Claims

1. The utility model provides an external rotor fan of making an uproar falls, includes shell (1), support frame (4) and mounting panel (5), its characterized in that: the novel fan assembly is characterized in that a fan assembly (13) is movably mounted inside the shell (1), a sound absorbing plate (14) is fixedly connected to the inside of the shell (1) of the periphery of the fan assembly (13), a fixing seat (2) is fixedly mounted at the bottom of the shell (1), a shock pad (3) is fixedly connected to the bottom of the fixing seat (2), a connecting plate (8) is fixedly mounted at the bottom of the shock pad (3), a supporting frame (4) is movably mounted at the bottom of the connecting plate (8), an inserting block (9) is fixedly connected to the top of the supporting frame (4), the inserting block (9) is embedded with the connecting plate (8), a mounting plate (5) is movably mounted at the bottom of the supporting frame (4), a fixing bolt (501) is movably mounted inside the mounting plate (5), a limiting block (6) is fixedly connected to the top of the mounting plate (5), and the limiting block (6) is embedded with the supporting frame (4), and a limiting bolt (601) is movably mounted between the limiting block (6) and the supporting frame (4).

2. The noise-reducing outer rotor fan as set forth in claim 1, wherein: the surface of the two sides of the supporting frame (4) is fixedly connected with a positioning piece (7), and a positioning bolt (701) is movably installed in the positioning piece (7).

3. The noise-reducing outer rotor fan as set forth in claim 1, wherein: the surface of the connecting plate (8) is movably provided with a plug (801), a clamping hole (901) is formed in the plug block (9), and the plug (801) is overlapped with the clamping hole (901).

4. The noise-reducing outer rotor fan as set forth in claim 1, wherein: the top of the supporting frame (4) at two sides of the inserting block (9) is fixedly connected with a limiting rod (12), a limiting groove (11) is formed in the connecting plate (8), and the limiting rod (12) is embedded with the limiting groove (11).

5. The noise-reducing outer rotor fan as set forth in claim 1, wherein: the surface of the support frame (4) is provided with a protective door (401) through a hinge, and the surface of the protective door (401) is fixedly connected with a handle (402).

6. The noise-reducing outer rotor fan as set forth in claim 1, wherein: the anti-skid block (10) is fixedly connected inside the connecting plate (8) at the periphery of the inserting block (9), and anti-skid patterns are formed inside the anti-skid block (10).