CN218991924U - Air conditioner fan motor - Google Patents

Abstract

The utility model discloses an air conditioner fan motor, comprising: the motor comprises a shell and a motor shaft, wherein the shell is detachably connected with a mounting bracket, the mounting bracket comprises a mounting part and support arms, the support arms are circumferentially distributed on the mounting part, the mounting part is connected with the shell, mounting through holes are formed in the support arms, the mounting bracket is simple in structure and reliable in support, the mounting stability of the motor is improved, the support arms are uniformly stressed and are not easy to damage, and the service life is long; a damping washer is arranged between the mounting bracket and the casing. The utility model has novel structure, stable installation and damping function, thereby reducing noise.

Description

Air conditioner fan motor

Technical Field

The utility model belongs to the technical field of motors, and particularly relates to an air conditioner fan motor.

Background

The air conditioner fan motor is used as one of the motors, and the function of the air conditioner fan motor is the same as that of other motors, so as to provide power for fan blades of an air conditioner external machine.

The prior patent document discloses an air conditioner fan motor (bulletin number: CN 217545764U), which records that a connecting seat is arranged at the bottom of a lower mute cover, the connecting seat is convenient to be installed and fixed with an air conditioner main case, vibration generated in the operation process of the motor is directly transmitted to the air conditioner main case through the connecting seat, and then resonance occurs, so that the tightness of other elements is influenced, and larger noise is generated.

Disclosure of Invention

The utility model aims to solve the technical problems in the prior art and provide the air conditioner fan motor which is novel in structure, stable in installation and has a damping function so as to reduce noise.

In order to solve the technical problems, the utility model adopts the following technical scheme:

an air conditioning fan motor, comprising: casing and motor shaft, its characterized in that: the shell is detachably connected with a mounting bracket, and the mounting bracket is provided with a mounting through hole; a damping washer is arranged between the mounting bracket and the casing. The motor is novel in structure, stable in installation and capable of damping, and noise is reduced.

Further, the installing support includes installation department and support arm, and support arm circumference distributes on the installation department, and the casing is connected to the installation department, and the installation through-hole is located on the support arm, simple structure, and it is reliable to support, has improved the installation stability of motor, and each support arm atress is even, and is not fragile, long service life.

Further, be equipped with the changeover portion of bending on the support arm, under the condition that does not increase occupation volume, the changeover portion of bending has lengthened the length of support arm, and the vibrations that the motor operation produced are passed through the support arm and are transmitted for the air conditioner case, and the changeover portion of bending has prolonged the transmission distance of vibrations power to dispersed the vibrations effort, reduced the vibrations that the air conditioner case received.

Further, the installation department passes through fastening bolt connection casing, and the shock pad snare is established on fastening bolt, and the dismouting is nimble, and is convenient for change along with the dress is convenient for damage.

Further, the shell comprises a front shell and a rear shell, the front shell is provided with a first outer ring, the rear shell is provided with a second outer ring, the first outer ring is detachably connected with the second outer ring through a fixing mechanism, the fixing mechanism clamps the first outer ring and the second outer ring so that the first outer ring and the second outer ring are tightly attached, the front shell and the rear shell are prevented from being detached, meanwhile, the front shell and the rear shell are prevented from rotating relatively, the assembly is firm, dust and water are difficult to enter the shell from a gap between the first outer ring and the second outer ring, and the sealing performance is good; the shell adopts split type design, and front casing and back casing can separately make, replace integrated into one piece's mode, have reduced manufacturing requirement.

Further, fixed establishment includes end bolt and nut, and end bolt passes first outer loop and second outer loop, and the one end of end bolt is connected to the nut, simple structure, and use cost is low, and the dismouting is convenient, connects reliably, and the practicality is strong.

Further, be equipped with the bearing room on the terminal surface of casing, install the bearing of connection motor shaft in the bearing room, the setting of bearing does benefit to the motor shaft and rotates smoothly, can restrict the motor shaft simultaneously and take place radial rocking, has improved the connection effect.

Further, be equipped with the axle sleeve between bearing room and the motor shaft, the axle sleeve on the one hand restricts the motor shaft and takes place radial rocking, has improved the stability when the motor shaft is operated, on the other hand has shutoff bearing room and motor shaft junction's gap, has improved the leakproofness, prevents effectively that dust, water from getting into inside the casing.

Further, the end part of the motor shaft is provided with a thread end, the thread end penetrates through the fan blade and is locked through the nut, so that the fan blade is limited to be separated, and the connection adaptability is strong.

Due to the adoption of the technical scheme, the utility model has the following beneficial effects:

1. the end bolts are matched with the nuts to clamp the first outer ring and the second outer ring, so that the first outer ring and the second outer ring are tightly attached, the front shell and the rear shell are prevented from being detached, the front shell and the rear shell are prevented from rotating relatively, the assembly is firm, dust and water are difficult to enter the shell from a gap between the first outer ring and the second outer ring, and the tightness is good; the shell adopts split type design, and front casing and back casing can separately make, replace integrated into one piece's mode, have reduced manufacturing requirement.

2. The damping washer can buffer mechanical vibration generated in the operation process of the motor, and vibration is reduced and transmitted to the mounting bracket, so that influence on an air conditioner case is reduced.

3. Under the condition that occupied volume is not increased, the length of the support arm is prolonged by the bending transition section, vibration generated by motor operation is transmitted to the air conditioner case through the support arm, and the transmission distance of vibration force is prolonged by the bending transition section, so that vibration force is dispersed, and vibration suffered by the air conditioner case is reduced.

Drawings

The utility model is further described below with reference to the accompanying drawings:

fig. 1 is a schematic structural view of an air conditioner fan motor according to the present utility model;

FIG. 2 is a front view of FIG. 1;

fig. 3 is a schematic structural view of the connection between the housing and the mounting bracket in the present utility model.

In the figure: 1-a motor shaft; 2-a front housing; 3-a rear housing; 4-a first outer ring; 5-a second outer ring; 6-end bolts; 7-a screw cap; 8-mounting a bracket; 9-an installation part; 10-supporting arms; 11-limiting screw holes; 12-mounting through holes; 13-a shock-absorbing washer; 14-bending the transition section; 15-bearing chamber; 16-shaft sleeve; 17-threaded end; 18-fastening bolts; 19-fixing through holes.

Detailed Description

As shown in fig. 1 to 3, an air conditioner fan motor according to the present utility model includes: the machine shell comprises a front shell 2 and a rear shell 3, the front shell 2 is provided with a first outer ring 4, the rear shell 3 is provided with a second outer ring 5, the first outer ring 4 is detachably connected with the second outer ring 5 through a fixing mechanism, the fixing mechanism comprises a head bolt 6 and a nut 7, the head bolt 6 penetrates through the first outer ring 4 and the second outer ring 5, the nut 7 is connected with one end of the head bolt 6, the head bolt 6 is matched with the nut 7 to clamp the first outer ring 4 and the second outer ring 5, the first outer ring 4 is tightly attached to the second outer ring 5, the front shell 2 is limited to be detached from the rear shell 3, meanwhile, the front shell 2 and the rear shell 3 are limited to relatively rotate, the assembly is firm, dust and water are difficult to enter the machine shell from a gap between the first outer ring 4 and the second outer ring 5, and the tightness is good; the shell adopts a split design, and the front shell 2 and the rear shell 3 can be manufactured separately to replace an integral forming mode, so that the manufacturing requirement is reduced; the fixing mechanism is simple in structure, reliable in connection, low in use cost, convenient and fast to assemble and disassemble, and high in practicability.

As shown in fig. 3, the rear housing 3 is connected with a mounting bracket 8 through a fastening bolt 18, so that the rear housing is flexible to assemble and disassemble, can be used with the assembly, and is damaged and convenient to replace. The mounting bracket 8 comprises a mounting part 9 and support arms 10, the support arms 10 are circumferentially distributed on the mounting part 9, a fixing through hole 19 for the end bolt 6 to penetrate is formed in the mounting part 9, a limit screw hole 11 matched with the end bolt 6 for connection is formed in the rear shell 3, a mounting through hole 12 is formed in the support arms 10, and nails penetrate into the mounting through hole 12 to fix the mounting bracket 8 in an air conditioner case, so that the mounting is convenient and quick to install; the mounting bracket 8 has the advantages of simple structure, reliable support, improved motor mounting stability, uniform stress of each support arm 10, difficult damage and long service life.

The damping washer 13 is sleeved on the fastening bolt 18, the damping washer 13 is attached to the mounting bracket 8 and the rear shell 3, the damping washer 13 can buffer mechanical vibration generated in the running process of the motor, and the vibration is reduced to be transmitted to the mounting bracket 8, so that the influence on an air conditioner case is reduced.

The support arm 10 is provided with the bending transition section 14, the bending transition section 14 lengthens the length of the support arm 10 under the condition that the occupied volume is not increased, vibration generated by motor operation is transmitted to the air conditioner case through the support arm 10, and the bending transition section 14 lengthens the transmission distance of vibration force, so that the vibration force is dispersed, and the vibration suffered by the air conditioner case is reduced.

The bearing chamber 15 is arranged on the end face of the front shell 2, a bearing connected with the motor shaft 1 is arranged in the bearing chamber 15, the arrangement of the bearing is beneficial to smooth rotation of the motor shaft 1, and meanwhile, radial shaking of the motor shaft 1 can be limited, so that the connection effect is improved. The shaft sleeve 16 is arranged between the bearing chamber 15 and the motor shaft 1, the shaft sleeve 16 limits the motor shaft 1 to shake radially on one hand, so that the stability of the motor shaft 1 during operation is improved, and on the other hand, the gap at the joint of the bearing chamber 15 and the motor shaft 1 is blocked, the tightness is improved, and dust and water are effectively prevented from entering the machine shell.

The motor shaft 1 passes through the front shell 2, the end part of the motor shaft 1 is provided with a threaded end 17, the threaded end 17 passes through the fan blade and is locked through the nut 7, so that the fan blade is limited to be separated, and the connection suitability is strong.

The above is only a specific embodiment of the present utility model, but the technical features of the present utility model are not limited thereto. Any simple changes, equivalent substitutions or modifications and the like made on the basis of the present utility model to solve the substantially same technical problems and achieve the substantially same technical effects are included in the scope of the present utility model.

Claims (9)

1. An air conditioning fan motor, comprising:

a shell and a motor shaft,

the method is characterized in that:

the shell is detachably connected with a mounting bracket, and a mounting through hole is formed in the mounting bracket;

and a damping washer is arranged between the mounting bracket and the shell.

2. An air conditioning fan motor as set forth in claim 1, wherein: the mounting bracket comprises a mounting part and support arms, the support arms are circumferentially distributed on the mounting part, the mounting part is connected with the casing, and the mounting through holes are formed in the support arms.

3. An air conditioning fan motor as set forth in claim 2, wherein: and a bending transition section is arranged on the support arm.

4. An air conditioning fan motor as set forth in claim 2, wherein: the mounting part is connected with the shell through a fastening bolt, and the damping cushion ring is sleeved on the fastening bolt.

5. An air conditioning fan motor as set forth in claim 1, wherein: the casing includes procapsid and back casing, the procapsid is equipped with first outer ring, the back casing is equipped with the second outer ring, first outer ring passes through fixed establishment and can dismantle the connection the second outer ring, fixed establishment will first outer ring the centre gripping of second outer ring, so that first outer ring with the inseparable laminating of second outer ring.

6. An air conditioning fan motor as set forth in claim 5, wherein: the fixing mechanism comprises an end bolt and a nut, wherein the end bolt penetrates through the first outer ring and the second outer ring, and the nut is connected with one end of the end bolt.

7. An air conditioning fan motor as set forth in claim 1, wherein: the end face of the shell is provided with a bearing chamber, and a bearing connected with the motor shaft is arranged in the bearing chamber.

8. An air conditioning fan motor as set forth in claim 7, wherein: and a shaft sleeve is arranged between the bearing chamber and the motor shaft.

9. An air conditioning fan motor as set forth in claim 1, wherein: the end part of the motor shaft is provided with a threaded end.

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