Fan motor with low noise and long service life

Abstract

The utility model relates to the technical field of fan motors, in particular to a low-noise long-service-life fan motor which comprises a motor assembly and a shell assembly, the shell assembly is connected outside the motor assembly, and the motor assembly is composed of a fan motor, a sealing ring, a rotating shaft, a limiting strip, a fixing rod, a synchronous shaft and a synchronous motor. A rotating shaft is connected to the middle of the front face of the fan motor, a limiting strip is connected to the rotating shaft, a fixing rod is connected to the position, close to the middle of the front face, of the lower end of the fan motor, sealing rings are connected to the positions, close to the front face and the back face, of the exterior of the fan motor, and a synchronous motor is connected to the back face of the fan motor. The lower end of the synchronous motor is connected with a synchronous shaft, and the shell assembly is composed of a tail cover, a heat dissipation net, an insertion groove, an insertion sleeve, a heat dissipation fan, a shell, heat dissipation fins, an insertion ring, an end cover, a bearing, a limiting groove, an insertion strip and a noise reduction block.

Description

Technical Field

[0001] The utility model relates to the technical field of fan motors, in particular to a low-noise and long-life fan motor. Background Art

[0002] When the fan motor is used at night, the noise is too loud and affects the user's sleep. In addition, the fan motor is inconvenient to disassemble and assemble, and the subsequent maintenance operation is inconvenient.

[0003] Therefore, it is necessary to design a low-noise and long-life fan motor to solve the problems in the above background technology. Utility Model Content

[0004] The purpose of the utility model is to solve the problems in the prior art and to propose a low-noise and long-life fan motor.

[0005] To achieve the above objectives, the present invention provides the following technical solutions:

[0006] A low-noise, long-life fan motor comprises a motor assembly and a housing assembly, wherein the motor assembly is externally connected to the housing assembly;

[0007] The motor assembly consists of a fan motor, a sealing ring, a rotating shaft, a limit bar, a fixing rod, a synchronous shaft and a synchronous motor, and the middle of the front of the fan motor is connected to the rotating shaft, the limit bar is connected to the rotating shaft, the lower end of the fan motor is connected to the middle of the front, the fixing rod is connected, the outside of the fan motor is connected to the front and back, the synchronous motor is connected to the back of the fan motor, and the lower end of the synchronous motor is connected to the synchronous shaft;

[0008] The shell assembly consists of a tail cover, a heat dissipation net, a plug-in slot, a plug-in sleeve, a cooling fan, a shell, heat dissipation fins, a plug-in ring, an end cover, a bearing, a limit slot, a plug-in strip and a noise reduction block, and the back of the shell is connected to the tail cover, the front of the shell is connected to the end cover, multiple groups of heat dissipation fins and noise reduction blocks are arranged inside the shell, the back of the shell and the end cover are provided with plug-in rings near the edges, the front of the shell and the tail cover are provided with plug-in slots near the edges, a heat dissipation net is opened in the middle of the tail cover, a plug-in sleeve is provided on the front of the tail cover near the edge of the heat dissipation net, a cooling fan is connected in the plug-in sleeve, a bearing is connected in the middle of the front of the end cover, and multiple groups of limit slots and plug-in strips are provided on the front of the end cover near the middle.

[0009] As a preferred solution of the present invention, the fan motor and the sealing ring are connected by a sleeve connection.

[0010] As a preferred solution of the present invention, the rotating shaft and the fan motor are connected by a coupling, the fixing rod and the fan motor are screwed together by threads, the fan motor and the synchronous motor are connected by bolts, and the synchronous shaft and the synchronous motor are connected by a coupling.

[0011] As a preferred solution of the present invention, the end cover, tail cover and housing are connected by plugging and locked by bolts.

[0012] As a preferred solution of the present invention, the heat dissipation fan and the plug-in sleeve are screwed together by means of threads.

[0013] As a preferred solution of the present invention, the noise reduction block and the housing are connected via a socket connection.

[0014] As a preferred solution of the present invention, the fan motor and the housing are connected by a sleeve connection and are locked by bolts.

[0015] As a preferred solution of the present invention, the noise reduction block is made of sound insulation felt.

[0016] To sum up, the technical effects and advantages of the utility model are as follows: the low-noise and long-life fan motor is a combined structure as a whole, which is convenient for disassembly, assembly and maintenance. The heat dissipation speed in the casing can be improved by the heat dissipation fan and heat dissipation fins. The noise reduction block made of sound insulation felt arranged between the casing and the fan motor has sound absorption, sound insulation, heat insulation, shock isolation and other effects after installation due to its soft texture, which can effectively reduce the impact of noise on the surrounding environment. The sealing rings arranged at both ends of the casing and the fan motor can improve the stability of the connection between the casing and the fan motor. At the same time, since the sealing ring is made of elastic material, it can reduce collision at the connection, reduce noise and wear, and the outside of the shaft is assisted by the extended bearing for limiting, which improves the stability of the shaft, reduces the shaft deviation, and improves the overall service life, forming a low-noise and long-life fan motor. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is the overall structural diagram of the utility model;

[0018] Figure 2 This is a structural diagram of the motor assembly of the present utility model;

[0019] Figure 3 This is a structural diagram of the housing assembly of the present utility model.

[0020] In the figure: 1. Motor assembly; 101. Fan motor; 102. Sealing ring; 103. Rotating shaft; 104. Limiting strip; 105. Fixing rod; 106. Synchronous shaft; 107. Synchronous motor; 2. Housing assembly; 201. Tail cover; 202. Heat dissipation net; 203. Plug-in slot; 204. Plug-in sleeve; 205. Cooling fan; 206. Housing; 207. Heat dissipation fin; 208. Plug-in ring; 209. End cover; 210. Bearing; 211. Limiting slot; 212. Plug-in strip; 213. Noise reduction block. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0022] Reference Figure 1-Figure 3 , a low-noise and long-life fan motor includes a motor assembly 1 and a shell assembly 2, the motor assembly 1 is externally connected to the shell assembly 2; the motor assembly 1 is composed of a fan motor 101, a sealing ring 102, a rotating shaft 103, a limiting strip 104, a fixing rod 105, a synchronous shaft 106 and a synchronous motor 107, and the middle of the front of the fan motor 101 is connected to the rotating shaft 103, the limiting strip 104 is connected to the rotating shaft 103, the lower end of the fan motor 101 is connected to the fixing rod 105 near the middle of the front, the outside of the fan motor 101 is connected to the front and back sides thereof, the synchronous motor 107 is connected to the back side of the fan motor 101, and the synchronous shaft 106 is connected to the lower end of the synchronous motor 107; the shell assembly 2 is composed of a tail cover 201, a heat dissipation net 202, a plug slot 203, a plug sleeve 204, a heat dissipation fan 205, a shell 20 6. It is composed of heat dissipation fins 207, plug-in rings 208, end covers 209, bearings 210, limiting grooves 211, plug-in strips 212 and noise reduction blocks 213, and the back of the shell 206 is connected to the tail cover 201, the front of the shell 206 is connected to the end cover 209, multiple groups of heat dissipation fins 207 and noise reduction blocks 213 are provided inside the shell 206, plug-in rings 208 are provided near the edges of the backs of the shell 206 and the end cover 209, plug-in slots 203 are provided near the edges of the fronts of the shell 206 and the tail cover 201, a heat dissipation net 202 is opened in the middle of the tail cover 201, a plug-in sleeve 204 is provided at the front of the tail cover 201 near the edge of the heat dissipation net 202, a cooling fan 205 is connected in the plug-in sleeve 204, a bearing 210 is connected to the middle of the front of the end cover 209, and multiple groups of limiting grooves 211 and plug-in strips 212 are provided near the middle of the front of the end cover 209.

[0023] Reference Figure 1 、 Figure 2 and Figure 3When the fan motor is used at night, the noise is too loud and affects the user's sleep. In addition, the fan motor is inconvenient to disassemble and assemble, and the later maintenance operation is inconvenient. The fan motor 101 and the sealing ring 102 are connected by a socket connection, the rotating shaft 103 and the fan motor 101 are connected by a coupling, the fixing rod 105 and the fan motor 101 are screwed together by a thread, the fan motor 101 and the synchronous motor 107 are connected by a bolt, the synchronous shaft 106 and the synchronous motor 107 are connected by a coupling, the fan motor 101 and the housing 206 are socketed and locked by bolts, the end cover 209, the tail cover 201 and the housing 206 are plug-in connected and locked by bolts, the cooling fan 205 and the plug-in sleeve 204 are screwed together, the noise reduction block 213 and the housing 206 are socketed, and the noise reduction block 213 is made of sound insulation felt. The overall structure is a combined structure, which is convenient for disassembly, assembly and maintenance. The heat dissipation speed in the casing 206 can be improved by the heat dissipation fan 205 and the heat dissipation fins 207. The noise reduction block 213 made of sound insulation felt arranged between the casing 206 and the fan motor 101 has the effects of sound absorption, sound insulation, heat insulation and shock isolation after installation due to its soft texture, which can effectively reduce the impact of noise on the surrounding environment. The sealing ring 102 arranged at both ends of the casing 206 and the fan motor 101 can improve the stability of the connection between the casing 206 and the fan motor 101. At the same time, since the sealing ring 102 is an elastic material, the collision at the connection can be reduced, and the noise and wear can be reduced. The outside of the rotating shaft 103 is assisted by the extended bearing 210 for limiting, which improves the stability of the rotating shaft 103, reduces the deviation of the rotating shaft 103, and improves the overall service life, forming a low-noise and long-life fan motor.

[0024] Working principle: The fan motor 101 and the sealing ring 102 of the low-noise and long-life fan motor are connected by a socket connection, the rotating shaft 103 and the fan motor 101 are connected by a coupling, the fixing rod 105 and the fan motor 101 are screwed together by threads, the fan motor 101 and the synchronous motor 107 are connected by bolts, the synchronous shaft 106 and the synchronous motor 107 are connected by a coupling, the fan motor 101 and the housing 206 are socketed and locked by bolts, the end cover 209, the tail cover 201 and the housing 206 are plug-in connected and locked by bolts, the cooling fan 205 and the plug-in sleeve 204 are screwed together by threads, the noise reduction block 213 and the housing 206 are socketed, the noise reduction block 213 is made of sound insulation felt, and the whole is a combined structure, which is convenient for disassembly Installation and maintenance, the heat dissipation speed in the shell 206 can be improved by the heat dissipation fan 205 and the heat dissipation fins 207, and the noise reduction block 213 made of sound insulation felt arranged between the shell 206 and the fan motor 101 has the effects of sound absorption, sound insulation, heat insulation, and shock isolation after installation due to its soft texture, which can effectively reduce the impact of noise on the surrounding environment, and the sealing ring 102 arranged at both ends of the shell 206 and the fan motor 101 can improve the stability of the connection between the shell 206 and the fan motor 101. At the same time, since the sealing ring 102 is an elastic material, the collision at the connection can be reduced, and the noise and wear can be reduced. The outside of the rotating shaft 103 is assisted by the extended bearing 210 for limiting, which improves the stability of the rotating shaft 103, reduces the deviation of the rotating shaft 103, and improves the overall service life, forming a low-noise and long-life fan motor.

[0025] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A low-noise, long-life fan motor, comprising a motor assembly (1) and a housing assembly (2), characterized in that: The motor assembly (1) is externally connected to a housing assembly (2); The motor assembly (1) is composed of a fan motor (101), a sealing ring (102), a rotating shaft (103), a limiting strip (104), a fixing rod (105), a synchronous shaft (106) and a synchronous motor (107), wherein the rotating shaft (103) is connected to the middle of the front face of the fan motor (101), the limiting strip (104) is connected to the rotating shaft (103), the fixing rod (105) is connected to the lower end of the fan motor (101) near the middle of the front face, the sealing ring (102) is connected to the outside of the fan motor (101) near the front face and the back face, the synchronous motor (107) is connected to the back face of the fan motor (101), and the synchronous shaft (106) is connected to the lower end of the synchronous motor (107); The housing assembly (2) is composed of a tail cover (201), a heat dissipation net (202), a plug-in slot (203), a plug-in sleeve (204), a heat dissipation fan (205), a housing (206), heat dissipation fins (207), a plug-in ring (208), an end cover (209), a bearing (210), a limit slot (211), a plug-in strip (212) and a noise reduction block (213), and the back of the housing (206) is connected to the tail cover (201), the front of the housing (206) is connected to the end cover (209), a plurality of groups of heat dissipation fins (207) and noise reduction blocks (213) are provided inside the housing (206), and the housing ( The back of the housing (206) and the end cover (209) are both provided with a plug-in ring (208) near the edge, the front of the housing (206) and the tail cover (201) are both provided with a plug-in slot (203) near the edge, the middle of the tail cover (201) is provided with a heat dissipation net (202), the front of the tail cover (201) is provided with a plug-in sleeve (204) near the edge of the heat dissipation net (202), a heat dissipation fan (205) is connected to the plug-in sleeve (204), the middle of the front of the end cover (209) is connected with a bearing (210), and the front of the end cover (209) is provided with multiple groups of limit slots (211) and plug-in strips (212) near the middle.

2. A low-noise, long-life fan motor according to claim 1, characterized in that: The fan motor (101) and the sealing ring (102) are connected via a sleeve connection.

3. The low-noise, long-life fan motor according to claim 1, characterized in that: The rotating shaft (103) and the fan motor (101) are connected via a coupling, the fixing rod (105) and the fan motor (101) are screwed together via threads, the fan motor (101) and the synchronous motor (107) are connected via bolts, and the synchronous shaft (106) and the synchronous motor (107) are connected via a coupling.

4. The low-noise, long-life fan motor according to claim 1, characterized in that: The end cover (209), the tail cover (201) and the housing (206) are connected by plugging and locked by bolts.

5. The low-noise, long-life fan motor according to claim 1, characterized in that: The cooling fan (205) and the plug-in sleeve (204) are screwed together via threads.

6. The low-noise, long-life fan motor according to claim 1, characterized in that: The noise reduction block (213) and the housing (206) are connected via a socket connection.

7. The low-noise, long-life fan motor according to claim 1, characterized in that: The fan motor (101) and the housing (206) are connected via a sleeve connection and are locked by bolts.

8. The low-noise, long-life fan motor according to claim 1, characterized in that: The noise reduction block (213) is made of sound insulation felt.

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