CN219420450U - Motor for air purifier - Google Patents

Abstract

The utility model discloses a motor for an air purifier, which comprises a volute component, a wind wheel and a motor component, wherein the wind wheel and the motor component are arranged in the volute component, the volute component comprises a shell and a fixing plate, the motor component is fixed in the shell through a screw component III, the motor component comprises a rotor, a shaft core arranged in the rotor and a stator magnetically coupled with the rotor, one end of the shaft core is provided with external threads, the wind wheel is fixedly connected with one end of the rotor with the external threads through a nut I, the rotor is in driving connection with the wind wheel through the shaft core, the wind wheel is fixed in the shell through the fixing plate and the screw component I, the motor component is arranged in the wind wheel, and an air outlet is arranged on the shell; the motor is directly fixed in the shell through the screw component III, a rear shell for packaging the motor is not additionally arranged, the installation procedure of the whole equipment is reduced, the assembly process is simplified, and when the motor or the wind wheel needs to be replaced, the motor or the wind wheel is convenient to detach, and the working efficiency is improved.

Description

Motor for air purifier

Technical Field

The utility model relates to the technical field of air purifiers, in particular to a motor for an air purifier.

Background

The fan of air purifier and the connection structure of motor are: the motor shaft is used as a connecting part of the fan and the motor, the front end of the motor shaft is inserted into the central shaft hole of the fan, and the front end of the motor shaft is fastened on the outer side of one end face of the fan through a nut, so that the fan is fixedly connected with the motor shaft, synchronous rotation of the fan and the motor shaft is realized, and the fan and the motor are generally arranged in the volute.

However, in the prior art, the volute casing assembly is usually composed of a front volute and a rear volute, and the motor is placed in a space formed by the front volute and the rear volute, so that the assembly process is complex due to the fact that the volute assembly has more parts for installing the motor and the assembly process is complex, when the air purifier equipment is required to be assembled or the motor is required to be replaced, the front volute and the rear volute are required to be disassembled firstly, assembly or disassembly is inconvenient, and the overall cost of the front volute and the rear volute is high; meanwhile, as the motor is placed in the spaces of the front volute and the rear volute, if the volute is not good in material quality, is not easy to ventilate and radiate, the motor is easy to damage due to poor radiating effect.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provides a motor for an air purifier.

The aim of the utility model is realized by the following technical scheme:

the utility model provides a motor for air purifier, includes spiral case subassembly, installs wind wheel and the motor element in spiral case subassembly, spiral case subassembly includes casing and fixed plate, the motor element passes through screw assembly three to be fixed in the casing, and the motor element includes the rotor, sets up at the inside axle core of rotor and with the stator of rotor magnetic coupling, the one end of axle core is equipped with the external screw thread, and the wind wheel has the one end fixed connection of external screw thread with the rotor through the first nut, the rotor passes through the axle core and is connected with the wind wheel drive, and the wind wheel passes through fixed plate and screw assembly one to be fixed in the casing, and inside the wind wheel was arranged in to the motor element, was equipped with the air outlet on the casing.

In the above summary, further, the motor assembly further includes a casing formed by a front end cover and a rear end cover, and the rotor and the stator are disposed in the casing and lock and fix the front end cover and the rear end cover through a second screw assembly and a second nut.

In the above summary, further, the rear end cover is provided with a plurality of brackets, and the casing is fixed in the casing by a plurality of brackets and a screw assembly three.

In the above summary, further, a shock pad is further sleeved on the third screw assembly.

In the above summary, the number of the brackets is 3.

In the above summary, further, the motor assembly further includes a first ball bearing and a second ball bearing, where the first ball bearing and the second ball bearing are fixed at two ends of the shaft core through interference press fit.

In the above summary, further, a wave spring is further disposed at the bottom of the second ball bearing.

In the above summary, further, the air outlet is an annular air outlet.

The beneficial effects of the utility model are as follows: according to the utility model, the wind wheel and the motor are both arranged in the shell of the volute component and are directly fixed in the shell through the screw component III and the bracket, a rear shell for packaging the motor is not additionally arranged, the installation procedure of the whole equipment is reduced, the assembly process is simplified, when the motor or the wind wheel needs to be replaced, the disassembly is convenient, the working efficiency is improved, and meanwhile, the working cost is reduced because the rear shell is not additionally arranged; secondly, because the rear shell is not installed, the motor dissipates heat quickly and the wind power is large.

Drawings

FIG. 1 is an exploded view of the present utility model;

fig. 2 is a schematic diagram of the overall structure of the present utility model.

In the figure, a 1-shell, a 2-nut I, a 3-wind wheel, a 4-fixing plate, a 5-screw component I, a 6-front end cover, a 7-rotor, an 8-shaft core, a 9-ball bearing I, a 10-stator, an 11-rear end cover, a 12-screw component II, a 13-ball bearing II, a 14-wave spring, a 15-nut II, a 16-shock pad, a 17-screw component III, a 18-bracket and a 19-air outlet.

Detailed Description

Other advantages and effects of the present utility model will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present utility model with reference to specific examples. The utility model may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present utility model. It should be noted that the following embodiments and features in the embodiments may be combined with each other without conflict.

Examples:

in the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element in question must be provided with a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Referring to fig. 1 and 2, a motor for an air purifier includes a volute assembly, a wind wheel 3 installed in the volute assembly, and a motor assembly, wherein the volute assembly includes a housing 1 and a fixing plate 4, the motor assembly is fixed in the housing 1 through a screw assembly III 17, the motor assembly includes a rotor 7, a shaft core 8 disposed in the rotor 7, and a stator 10 magnetically coupled with the rotor 7, one end of the shaft core 8 is provided with an external thread, the wind wheel 3 is fixedly connected with one end of the rotor 7 with the external thread through a nut I2, the rotor 7 is in driving connection with the wind wheel 3 through the shaft core 8, the wind wheel 3 is fixed in the housing 1 through the fixing plate 4 and the screw assembly I5, the motor assembly is disposed in the wind wheel 3, and an air outlet 19 is disposed on the housing 1.

Specifically, during installation, after the fixing plate 4 is sleeved from the shaft extension end of the motor assembly, the blades of the wind wheel 3 are downwards arranged on flat wires of the shaft core 8 of the motor assembly, the wind wheel 3 is fixed by screwing the first nut 2 to the end, with external threads, of the shaft core 8, and then the wind wheel 3 is fixed inside the shell 1 by the first screw assembly 5.

The motor assembly further comprises a shell formed by a front end cover 6 and a rear end cover 11, wherein the rotor 7 and the stator 10 are arranged in the shell and are locked and fixed by a screw assembly II 12 and a nut II 15.

In the above embodiment, preferably, the rear end cover 11 is provided with a plurality of brackets 18, and the casing is fixed in the housing 1 by the plurality of brackets 18 and the third screw assembly 17. Specifically, in the installation of the motor, the motor assembly can be directly fixed in the volute casing 1 through the screw assembly III 17 and the bracket 18, and the motor assembly is simultaneously arranged in the wind wheel air inlet channel, so that the motor assembly can conveniently drive the wind wheel 3 to rotate. In this embodiment, the rear housing 1 for encapsulating the motor is not additionally provided, the motor assembly is directly fixed inside the volute housing 1, the installation procedure of the whole device is reduced, the assembly process is simplified, and when the motor or the wind wheel 3 needs to be replaced, the disassembly is convenient, and the working efficiency is improved.

In the above embodiment, it is preferable that the third screw assembly 17 is further sleeved with a shock pad 16. The shock pad 16 can effectively improve the vibration that the motor drove wind wheel 3 rotation in-process because dynamic balance is not good, and the shock attenuation is effectual.

In the above embodiment, the number of the brackets 18 is preferably 3.

The motor assembly further comprises a first ball bearing 9 and a second ball bearing 13, and the first ball bearing 9 and the second ball bearing 13 are fixed at two ends of the shaft core 8 through interference press fit. During installation, the rotor 7 and the shaft core 8 are in interference press fit, and the ball bearing I9 and the ball bearing II 13 are also in interference press fit on the shaft core 8, so that the installation of the rotor 7 and the shaft core is completed.

In the above embodiment, the bottom of the second ball bearing 13 is further provided with a wave spring 14.

In the foregoing embodiment, preferably, the air outlet 19 is an annular air outlet 19.

The specific working process comprises the following steps:

firstly, the rotor 7 and the shaft core 8 are in interference press fit, the ball bearing I9 and the ball bearing II 13 are also in interference press fit on the shaft core 8, and the installation of the rotor 7 and the shaft core is completed; the assembled rotor 7, stator 10 and wave spring 14 are placed in the casing formed by the front end cover 6 and the rear end cover 11 to form a motor assembly, and the motor assembly is locked and fixed by the screw assembly II 12 and the nut II 15.

After the fixing plate 4 is sleeved from the shaft extension end of the motor assembly, the blades of the wind wheel 3 are downwards arranged on flat wires of a shaft core 8 of the motor assembly, and the wind wheel 3 is fixed by screwing the flat wires to one end of the shaft core 8 with external threads through a first nut 2.

After three shock pads 16 are sleeved on three supports 18 of a rear end cover 11 of a shell on a semi-finished product assembled in the previous working procedure, the wind wheel 3 end is forwards installed in a volute component, a fixing plate 4 is fixed by a first screw component 5, and a third screw component 17 is sleeved in the shock pad 16 and screwed on a screw hole of the volute component.

Finally, the motor assembly is electrified, generates rotary power and transmits the rotary power to the wind wheel 3 through the shaft core 8 to rotate, so that the purpose of outputting wind power by the fan is achieved.

The foregoing examples merely illustrate specific embodiments of the utility model, which are described in greater detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model.

Claims (8)

1. A motor for air purifier, its characterized in that includes spiral case subassembly, installs wind wheel (3) and motor assembly in spiral case subassembly, spiral case subassembly includes casing (1) and fixed plate (4), motor assembly passes through screw subassembly III (17) to be fixed in casing (1), and motor assembly includes rotor (7), sets up in rotor (7) inside axle core (8) and with rotor (7) magnetic coupling's stator (10), the one end of axle core (8) is equipped with the external screw thread, and wind wheel (3) are through nut one (2) and rotor (7) have the one end fixed connection of external screw thread, rotor (7) are through axle core (8) and wind wheel (3) drive connection, and wind wheel (3) are fixed in casing (1) through fixed plate (4) and screw subassembly one (5), and motor assembly arranges wind wheel (3) inside, is equipped with air outlet (19) on casing (1).

2. The motor for an air purifier according to claim 1, further comprising a housing formed by a front end cover (6) and a rear end cover (11), wherein the rotor (7) and the stator (10) are disposed in the housing and lock-fix the front end cover (6) and the rear end cover (11) by a screw assembly two (12) and a nut two (15).

3. An electric motor for an air cleaner according to claim 2, characterized in that the rear end cap (11) is provided with a plurality of brackets (18), and the housing is fixed in the housing (1) by means of the plurality of brackets (18) and a third screw assembly (17).

4. A motor for an air cleaner according to claim 3, wherein the screw assembly three (17) is further provided with a shock pad (16).

5. An electric motor for an air cleaner according to claim 4, wherein the number of brackets (18) is 3.

6. A motor for an air cleaner according to claim 1, wherein the motor assembly further comprises a first ball bearing (9) and a second ball bearing (13), the first ball bearing (9) and the second ball bearing (13) being fixed at both ends of the shaft core (8) by interference press-fitting.

7. A motor for an air cleaner according to claim 6, characterized in that the bottom of the ball bearing two (13) is further provided with a wave spring (14).

8. A motor for an air cleaner according to claim 1, characterized in that the air outlet (19) is an annular air outlet.