CN201243244Y

CN201243244Y - Industrial fan motor

Info

Publication number: CN201243244Y
Application number: CNU2008200993283U
Authority: CN
Inventors: 黎海青
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-06-26
Filing date: 2008-06-26
Publication date: 2009-05-20
Anticipated expiration: 2018-06-26

Abstract

The utility model relates to an industrial fan electromotor, which comprises a front shell, a back shell, a head-shaking device, a stator core, a stator coil, a rotor matched with the stator coil, a rotor shaft and an installing shaft; and the industrial fan electromotor is characterized in that: the fan electromotor includes a front inner cover arranged and fixed in the front shell; more than two front supporting blocks protruded outwards along the radial direction to support one end surface of the stator core are arranged at the opening part of the front inner cover, and a hole for a rotor spindle to pass through and a hole for dissipating heat are arranged on the end surface of the front inner cover; the fan electromotor also includes a front rotary disc sleeved on the rotor spindle, a front bearing arranged on the rotor spindle, a front bearing seat fixed on front inner cover to install the front bearing, and an back inner cover arranged in the back shell and fixed with the heat-shaking device; more than two back supporting blocks protruded outwards along the radial direction to support the other end surface of the stator core are arranged at the opening part of the back inner cover, and a hole for the rotor spindle to pass through and a hole for dissipating heat are arranged on the end surface of the back inner cover; and the fan electromotor also includes a back rotary disc arranged on the rotor spindle, a back bearing arranged on the rotor spindle, and a back bearing seat arranged on the back inner cover to install the back bearing. Because the stator core can be firmly fixed between the front inner cover and the back inner cover, the stator core can not be moved, the motor electrical parameter can not be changed, the noise is small, and the material can be saved.

Description

A kind of Industrial fan motor

Technical field

The utility model relates to a kind of Industrial fan motor.

Background technology

Existing Industrial fan motor comprises front casing, rear casing, head-shaking device, stator core, is located at rotor, armature spindle, installation shaft, preceding inner casing and back inner casing that the stator coil in the stator core cooperates with stator coil; One end of armature spindle is provided with screw thread, the gears engaged of this screw thread and head-shaking device; The cavity that inner casing and back inner casing were formed before stator core was positioned at.After using a period of time, stator core can produce in cavity and move, and the electrical quantity of whole motor changes, and does not reach instructions for use, and noise is also bigger, and the material of use is more.

The utility model content

The utility model is to overcome the deficiencies in the prior art and to provide a kind of stator core can not produce mobile, and the electrical quantity of motor can not change, and noise is little, a kind of Industrial fan motor of material saving.

In order to achieve the above object, the utility model is to realize like this, it is a kind of Industrial fan motor, comprises front casing, rear casing, head-shaking device, stator core, is located at rotor, armature spindle and installation shaft that the stator coil in the stator core cooperates with stator coil; One end of armature spindle is provided with screw thread, the gears engaged of this screw thread and head-shaking device, and head-shaking device is fixed in the front casing; It is characterized in that: also comprise being located at preceding inner cap in the front casing and that can fix with it, before the opening part of inner cap be provided with the preceding support piece that support stator core one end face that the outward radial more than two protrudes is used, stator core and preceding support piece are fixed, before support piece and front casing tight fit, be provided with the hole that armature spindle can pass and the hole of heat transmission at the end face of preceding inner cap; Also comprise the preceding rotating disk that is set on the armature spindle, preceding rotating disk cooperates with rotor one end; Also comprise be set in the fore bearing on the armature spindle and be fixed on before in the front-end bearing pedestal used of the installation fore bearing that covers, front-end bearing pedestal and preceding turntable shaft are to cooperating; Also comprise be located in the rear casing and can with the fixing back inner cap of head-shaking device, the opening part of back inner cap is provided with the consequence tray that support stator core other end that the outward radial more than two protrudes is used, stator core and consequence tray are fixed, consequence tray and rear casing tight fit are provided with the hole that armature spindle can pass and the hole of heat transmission at the end face of back inner cap; Also comprise the back rotating disk that is set on the armature spindle, back rotating disk cooperates with the rotor other end; Comprise also being set in the rear bearing on the armature spindle and being fixed on the rear bearing block that the installation rear bearing that covers is used in the back that rear bearing block and back turntable shaft be to cooperating, thus inner casing and afterwards between the inner casing before rotor is positioned at.

Described installation shaft is fixed on preceding inner cap, is provided with the hole that installation shaft can be passed on front casing.

Before described, be provided with preceding installing hole on the preceding support piece of inner cap, on the consequence tray of back inner cap, be provided with the back installing hole, be provided with the installing hole that matches with preceding installing hole and back installing hole in stator core, the securing member that usefulness is installed can pass preceding installing hole, installing hole and back installing hole stator core is fixed between preceding inner cap and the back inner cap.

The utility model advantage compared with prior art is, stator core can be firm be fixed on before between inner cap and the back inner cap, therefore can not produce mobilely, the electrical quantity of motor can not change, noise is little, the material saving.

Description of drawings

Fig. 1 is an explosive view of the present utility model;

Fig. 2 be before back inner cap, stator core, the rotor inner cap and armature spindle in conjunction with stereogram;

Fig. 3 is the front view of Fig. 2;

Fig. 4 is the A-A sectional drawing of Fig. 3.

Embodiment

Below in conjunction with drawings and Examples the utility model is done further detailed description:

Shown in Fig. 1 to 4, it is a kind of Industrial fan motor, comprises front casing 7, rear casing 1, head-shaking device 2, stator core 4, is located at rotor 12, armature spindle 9 and installation shaft 6 that the stator coil 16 in the stator core cooperates with stator coil; One end of armature spindle is provided with screw thread, the gears engaged of this screw thread and head-shaking device, and head-shaking device is fixed in the rear casing; Also comprise and be located at preceding inner cap 8 in the front casing and that can fix with it, before the opening part of inner cap be provided with the preceding support piece 83 that support stator core 4 one end faces that four outward radials protrude are used, also can establish two or three preceding support pieces, stator core and preceding support piece are fixed, before support piece and front casing tight fit, be provided with the hole 81 that armature spindle can pass and the hole 82 of heat transmission at the end face of preceding inner cap; Also comprise the preceding rotating disk 5 that is set on the armature spindle 9, preceding rotating disk cooperates with rotor 12 1 ends; Also comprise the fore bearing 11 that is set on the armature spindle and be fixed on before in the front-end bearing pedestal 10 used of the installation fore bearing that covers, thereby front-end bearing pedestal is located rotor axial to cooperating with preceding turntable shaft; Also comprise be located in the rear casing 1 and can with the fixing back inner cap 3 of head-shaking device, the opening part of back inner cap is provided with the consequence tray 31 that support stator core 4 other ends that four outward radials protrude are used, also can establish two or three consequence trays, its quantity is identical with preceding support piece, stator core and consequence tray are fixed, consequence tray and rear casing tight fit are provided with the hole 33 that armature spindle can pass and the hole 32 of heat transmission at the end face of back inner cap; Also comprise the back rotating disk 15 that is set on the armature spindle 9, back rotating disk cooperates with rotor 12 other ends; Also comprise the rear bearing 14 that is set on the armature spindle and be fixed on the rear bearing block 13 that the installation rear bearing that covers is used in the back, rear bearing block and back turntable shaft be to cooperating, thereby with inner casing before being positioned at of rotor axial and afterwards between the inner casing.In the present embodiment, before being fixed on, installation shaft 6 on the inner cap 8, on front casing 7, is provided with the hole 71 that installation shaft can be passed.Installing hole 831 before on the preceding support piece 83 of preceding inner cap, being provided with, on the consequence tray 31 of back inner cap, be provided with back installing hole 311, be provided with the installing hole that matches with preceding installing hole and back installing hole in stator core, the securing member that usefulness is installed can pass preceding installing hole, installing hole and back installing hole stator core is fixed between preceding inner cap and the back inner cap.

Claims

1, a kind of Industrial fan motor comprises front casing, rear casing, head-shaking device, stator core, is located at rotor, armature spindle and installation shaft that the stator coil in the stator core cooperates with stator coil; One end of armature spindle is provided with screw thread, the gears engaged of this screw thread and head-shaking device, and head-shaking device is fixed in the front casing; It is characterized in that: also comprise being located at preceding inner cap (8) in the front casing and that can fix with it, before the opening part of inner cap be provided with the preceding support piece (83) that support stator core (4) one end faces that the outward radial more than two protrudes are used, stator core and preceding support piece are fixed, before support piece and front casing tight fit, be provided with the hole (81) that armature spindle can pass and the hole (82) of heat transmission at the end face of preceding inner cap; Also comprise the preceding rotating disk (5) that is set on the armature spindle (9), preceding rotating disk cooperates with rotor (12) one ends; Also comprise the fore bearing (11) that is set on the armature spindle and be fixed on before in the front-end bearing pedestal (10) used of the installation fore bearing that covers, front-end bearing pedestal and preceding turntable shaft are to cooperating; Also comprise be located in the rear casing (1) and can with the fixing back inner cap (3) of head-shaking device, the opening part of back inner cap is provided with the consequence tray (31) that support stator core (4) other end that the outward radial more than two protrudes is used, stator core and consequence tray are fixed, consequence tray and rear casing tight fit are provided with the hole (33) that armature spindle can pass and the hole (32) of heat transmission at the end face of back inner cap; Also comprise the back rotating disk (15) that is set on the armature spindle (9), back rotating disk cooperates with rotor (12) other end; Also comprise the rear bearing (14) that is set on the armature spindle and be fixed on the rear bearing block (13) that the installation rear bearing that covers is used in the back, rear bearing block and back turntable shaft be to cooperating, thus inner casing and afterwards between the inner casing before rotor is positioned at.

2, a kind of Industrial fan motor according to claim 1 is characterized in that: described installation shaft (6) is fixed on the preceding inner cap (8), is provided with the hole (71) that installation shaft can be passed on front casing (7).

3, a kind of Industrial fan motor according to claim 1, it is characterized in that: before described, be provided with preceding installing hole (831) on the preceding support piece (83) of inner cap, on the consequence tray (31) of back inner cap, be provided with back installing hole (311), be provided with the installing hole that matches with preceding installing hole and back installing hole in stator core, the securing member that usefulness is installed can pass preceding installing hole, installing hole and back installing hole stator core is fixed between preceding inner cap and the back inner cap.