CN222526588U - Blower - Google Patents

Abstract

The utility model discloses a blower, which comprises a cabinet body, a plurality of air inlets, an air outlet, a screw device and a driving device, wherein the air inlets are formed in the side face of the cabinet body, the air outlets are formed in the side face of the cabinet body, the screw device is arranged in the cabinet body, an impeller is arranged in the screw device, the driving device is arranged in the cabinet body and connected with the screw device, the driving device can drive the impeller to rotate, the blower further comprises a filtering component and a silencing component, the filtering component is arranged in the cabinet body and connected with the top face of the cabinet body, the silencing component is arranged in the cabinet body and comprises a first box body and a second box body, the first box body is connected with the filtering component and the top face of the cabinet body, and the second box body is connected with the screw device and the top face of the cabinet body. Through above-mentioned setting, the assembly between noise abatement subassembly and filter component and the screw rod device in the air-blower is more convenient.

Description

Blower fan

Technical Field

The utility model relates to the technical field of blower silencing, in particular to a blower.

Background

The centrifugal blower is based on the principle of converting kinetic energy into potential energy, and utilizes an impeller rotating at high speed to accelerate gas, then decelerate and change flow direction, so that kinetic energy is converted into potential energy (pressure).

The existing blower is large in operation noise, and a silencing device is usually arranged between the air filter and the screw device, so that air flows through a certain damping space to reduce noise. At present, the silencer installed on the blower is generally of an integral structure, and the production cost is high. And when the silencer is assembled with the screw device and the filter assembly, the installation positions of the screw device and the filter assembly are required to be considered simultaneously, so that the assembly of the silencer is complicated.

Disclosure of utility model

In order to solve the defects in the prior art, the utility model aims to provide a blower which is more convenient to assemble.

Based on the above purpose, the utility model adopts the following technical scheme:

The air blower comprises a cabinet body, a plurality of air inlets, air outlets, a screw device and a driving device, wherein the air inlets are formed in the side face of the cabinet body, the air outlets are formed in the side face of the cabinet body, the screw device is arranged in the cabinet body, impellers are arranged in the screw device, the driving device is arranged in the cabinet body and connected with the screw device, the driving device can drive the impellers to rotate, the air blower further comprises a filtering component and a silencing component, the filtering component is arranged in the cabinet body and connected with the top face of the cabinet body, the silencing component is arranged in the cabinet body and comprises a first box body and a second box body, the first box body is connected with the filtering component and the top face of the cabinet body, and the second box body is connected with the screw device and the top face of the cabinet body.

The cabinet comprises a cabinet body, and is characterized in that a first top cover and a second top cover are arranged on the top surface of the cabinet body, a first connecting part is arranged at the lower end of the first top cover, a first connecting piece is arranged on the top surface of the first cabinet body, the first connecting piece is arranged at two ends of the first connecting part and is connected with the first connecting part, a second connecting part is arranged at the lower end of the second top cover, a second connecting piece is arranged on the top surface of the second cabinet body, and the second connecting piece is arranged at two ends of the second connecting part and is connected with the second connecting part.

Further, the upper end of the screw device is provided with a silencing channel pipe, the bottom surface of the second box body is provided with a through hole, the silencing channel pipe penetrates through the through hole and is at least partially arranged in the second box body, and the silencing channel pipe is tightly attached to the inner wall of the through hole.

Further, a plurality of staggered silencing pieces are arranged on the inner top wall and the inner bottom wall of the silencing assembly, and the silencing assembly forms a labyrinth passage inside through the silencing pieces.

Further, the silencing piece comprises silencing cotton and a fixing frame, the fixing frame is arranged on the inner top wall and the inner bottom wall of the silencing assembly, and the silencing cotton is at least partially arranged in the fixing frame.

The utility model provides a blower, which is characterized in that a silencing assembly is provided as a first box body and a second box body which can be connected with each other. When assembling, first box and filter component and cabinet body coupling, second box and screw rod device and cabinet body coupling only need consider the butt joint of first box and second box to be connected for the assembly of amortization subassembly is more convenient. Meanwhile, the silencing assembly is divided into the first box body and the second box body, so that the rigidity requirement of the silencing assembly on materials is reduced, and the structure of the silencing assembly is firmer.

Drawings

FIG. 1 is a schematic view of a blower provided in accordance with the present utility model;

FIG. 2 is a cross-sectional view of a blower provided in accordance with the present utility model;

fig. 3 is an assembled schematic view of a muffler assembly provided in accordance with the present utility model.

Detailed Description

The technical solutions in the embodiments are clearly and completely described below in connection with the embodiments of the present utility model, and it is obvious that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1 and 2, the present embodiment provides a blower. The air blower comprises a cabinet 11, a radiator 12, a plurality of air inlets 13, an air outlet 14, a screw device 15 and a driving device 16. The radiator 12 is disposed in the cabinet 11 and disposed on a top surface of the cabinet 11, and is used for radiating heat for an inner space of the cabinet 11. The air inlet 13 is disposed at a side of the cabinet 11, and in particular, the air inlet 13 is disposed at least one of a left side, a right side, a front side, or a rear side of the cabinet 11. One or more air intakes 13 may be provided per side depending on the actual intake requirements. The air inlet 13 is provided with a screen window baffle 131 for filtering foreign matters such as sand, dust and the like in the air. The air outlet 14 is disposed at a side of the cabinet 11, and a backflow baffle 141 is disposed on the air outlet 14 to prevent air from flowing back into the cabinet 11 from the air outlet 14. The screw device 15 is arranged in the cabinet 11, an impeller is arranged in the screw device 15, and when the impeller rotates, air can flow into an air flow channel from the air inlet 13 and then is discharged from the air outlet 14. The driving device 16 is disposed in the cabinet 11, and the driving device 16 is connected with the screw device 15 in an interference fit, a bolt connection or other connection manners. The driving device 16 is rotatably connected with the impeller and can drive the impeller to rotate. For clarity of explanation of the technical solution of the present utility model, the front side, the rear side, the left side, the right side, the upper side and the lower side are also defined as shown in fig. 1.

As shown in fig. 2, the blower further includes a filter assembly 17 and a muffler assembly 18. Wherein, filter component 17 sets up in cabinet body 11, and filter component 17 is connected with the top surface of cabinet body 11. Specifically, the lower extreme of cabinet body 11 top surface is provided with mounting frame 111, and filter assembly 17 sets up in mounting frame 111 at least partially to be connected with the top surface of cabinet body 11, and this setting mode is convenient for filter assembly 17's dismouting cleanness and maintenance. The muffler assembly 18 is disposed in the cabinet 11, where the muffler assembly 18 includes a first box 181 and a second box 182, and the first box 181 and the second box 182 are connected in a bolt connection, a clamping connection, or other connection manners. The first housing 181 is connected to the filter assembly 17 and the top surface of the cabinet 11. The second housing 182 is connected to the screw device 15 and the top surface of the cabinet 11. Through the arrangement, when the silencing assembly 18 is assembled, the first box body 181 can be connected with the filtering assembly 17 and then connected with the cabinet body 11, the second box body 182 can be connected with the screw device 15 and then connected with the cabinet body 11, and finally the first box body 181 and the second box body 182 are in butt joint connection. In the whole assembly process, the butt joint problem of the silencing assembly 18, the filtering assembly 17 and the screw device 15 is not needed to be considered, so that the assembly of the blower is more convenient. In addition, the division of muffler assembly 18 into first and second housings 181 and 182 reduces the stiffness requirements of the materials of muffler assembly 18 and improves the structural stability of muffler assembly 18.

As shown in fig. 2 and 3, muffler assembly 18 extends in a substantially lateral direction. The cabinet 11 is provided with a second housing 182, a first housing 181, and a filter unit 17 in this order from left to right. The top surface of the cabinet 11 is provided with a first top cover 112 and a second top cover 113. The first connection portion 1121 is provided at the lower end of the first top cover 112. The top surface of the first case 181 is provided with first coupling pieces 1811, and the first coupling pieces 1811 are provided at both ends of the first coupling portion 1121 and coupled with the first coupling portion 1121, thereby fixing the first case 181 to the first top cover 112. The connection between the first connecting portion 1121 and the first connecting member 1811 may be a bolt connection, so as to improve portability and stability of the first housing 181. Likewise, the second top cover 113 is provided at a lower end thereof with a second connection portion 1131. Wherein the second top cover 113 may be disposed at the front side of the heat sink 12 to save an assembly space. The top surface of the second case 182 is provided with a second connection member 1821, and the second connection member 1821 is disposed at both ends of the second connection portion 1131 and connected with the second connection portion 1131. The connection between the second connection portion 1131 and the second connection member 1821 may be a bolt connection, so as to improve portability and stability of the assembly of the second housing 182.

As shown in fig. 2, the upper end of the screw device 15 is provided with a sound deadening passageway pipe 151, and the bottom surface of the second casing 182 is provided with a through hole 1822. The sound deadening passageway pipe 151 passes through the through hole 1822, and is at least partially provided in the second casing 182, to prevent the sound deadening passageway pipe 151 from coming off the second casing 182. The circumference of the sound deadening passageway pipe 151 is closely attached to the inner wall of the through hole 1822 to prevent leakage of the gas from the second casing 182 into the cabinet 11.

As shown in fig. 3, the muffler assembly 18 is provided with a plurality of muffler pieces 183 arranged in a staggered manner on the inner top wall and the inner bottom wall thereof, and the muffler assembly 18 is formed with a labyrinth passage inside by the muffler pieces 183 to increase a damping space through which the gas flows from the filter assembly 17 to the screw device 15, thereby reducing the energy of the gas as much as possible to reduce noise. Specifically, the noise damper 183 includes noise damper cotton 1831 and a fixing frame 1832. Among other things, the sound deadening cotton 1831 may reduce the energy of the contacted gas to enhance the sound deadening effect of the sound deadening assembly 18. The mounting frame 1832 is coupled to the inner top wall and the inner bottom wall of the muffler assembly 18, and the muffler cotton 1831 is at least partially disposed within the mounting frame 1832 to facilitate removal and installation of the muffler cotton 1831.

In summary, the present application provides a blower, which connects the first box 181 with the filter assembly 17, connects the second box 182 with the screw device 15, and connects the first box 181 with the second box 182 and respectively to the cabinet 11 during assembly, so as to reduce the assembly difficulty of the muffler assembly 18 and improve the convenience of assembly. Meanwhile, the silencing assembly 18 is divided into the first box 181 and the second box 182, so that the rigidity requirement of the silencing assembly 18 on materials is reduced, the production cost of the blower is reduced, and the stability of the structure of the silencing assembly 18 is improved.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art. The generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (5)

1. A blower, comprising:

a cabinet body (11);

The air inlets (13) are formed in the side face of the cabinet body (11);

the air outlet (14) is formed in the side face of the cabinet body (11);

The screw device (15) is arranged in the cabinet body (11), and an impeller is arranged in the screw device (15);

The driving device (16) is arranged in the cabinet body (11), and the driving device (16) can drive the impeller to rotate;

Characterized in that the blower further comprises:

The filter assembly (17) is arranged in the cabinet body (11), and the filter assembly (17) is connected with the top surface of the cabinet body (11);

the novel cabinet comprises a cabinet body (11), and is characterized by comprising a silencing assembly (18), wherein the silencing assembly (18) is arranged in the cabinet body (11), the silencing assembly (18) comprises a first box body (181) and a second box body (182), the first box body (181) is connected with the filtering assembly (17) and the top surface of the cabinet body (11), and the second box body (182) is connected with the screw device (15) and the top surface of the cabinet body (11).

2. The blower of claim 1, wherein a first top cover (112) and a second top cover (113) are arranged on the top surface of the cabinet body (11), a first connecting part (1121) is arranged at the lower end of the first top cover (112), first connecting pieces (1811) are arranged on the top surface of the first box body (181), the first connecting pieces (1811) are arranged at two ends of the first connecting part (1121) and are connected with the first connecting part (1121), a second connecting part (1131) is arranged at the lower end of the second top cover (113), a second connecting piece (1821) is arranged on the top surface of the second box body (182), and the second connecting pieces (1821) are arranged at two ends of the second connecting part (1131) and are connected with the second connecting part (1131).

3. The blower according to claim 2, wherein a noise reduction channel pipe (151) is provided at an upper end of the screw device (15), a through hole (1822) is provided at a bottom surface of the second casing (182), the noise reduction channel pipe (151) passes through the through hole (1822) and is at least partially provided in the second casing (182), and the noise reduction channel pipe (151) is closely attached to an inner wall of the through hole (1822).

4. The blower according to claim 1, wherein a plurality of silencing members (183) are provided in staggered arrangement on the inner top wall and the inner bottom wall of the silencing assembly (18), and the silencing assembly (18) forms a labyrinth passage inside through the silencing members (183).

5. The blower of claim 4, wherein the sound attenuating member (183) includes sound attenuating cotton (1831) and a stationary frame (1832), the stationary frame (1832) being disposed on the inner top wall and inner bottom wall of the sound attenuating assembly (18), the sound attenuating cotton (1831) being at least partially disposed within the stationary frame (1832).