CN206250860U

CN206250860U - Motor

Info

Publication number: CN206250860U
Application number: CN201621414562.1U
Authority: CN
Inventors: 张震坚
Original assignee: Nippon Electric (dongguan) Co Ltd
Current assignee: Nippon Electric (dongguan) Co Ltd
Priority date: 2016-12-22
Filing date: 2016-12-22
Publication date: 2017-06-13
Anticipated expiration: 2026-12-22

Abstract

The utility model embodiment provides a kind of motor, and the motor includes：Axle, rotor retainer, rotor magnet, parts of bearings, bearing cage part, stator, and circuit substrate.Wherein, bearing cage part has in the flange part with the Directional Extension of the central axis upright, the flange part has the location division extended to radial outside, the location division has the locator protrusions to the upwardly projecting tabular of axle, in the end of the opening portion of the circuit substrate, with the seam cut out to radial outside, the locator protrusions is fixed in the seam.The embodiment of the present application is fixed on the locator protrusions of bearing cage part by by the seam of circuit substrate, firmly fixes circuit substrate, so as to save the space for secure components such as mounting screws, can realize the miniaturization of motor.

Description

Motor

Technical field

The utility model is related to electro-mechanical arts, more particularly to a kind of motor.

Background technology

In recent years, office equipment or household electrical appliance tend to minimize and are thinned.For the horse carried in these products For reaching, also require that miniaturization and be thinned.

Patent document 1 (JP Laid-Open 10-108414A) provides a kind of motor, and the motor has motor case portion and electricity Base board, the motor case portion has the flat part overlapped vertically with circuit substrate.In patent document 1, flat part is set There are multiple through holes, circuit substrate is provided with multiple mounting holes corresponding with the through hole, by inserting the screws into the through hole and installing , with circuit substrate can be fastened and fixed in case portion by hole.

Utility model content

Inventor of the present utility model has found, in above-mentioned reference paper 1, in motor case portion and circuit substrate respectively The through hole and mounting hole of mounting screw are provided for, segment space can be occupied, hinder the miniaturization of motor.

The utility model provides a kind of motor, by the locator protrusions that the seam of circuit substrate is fixed on bearing cage part On, circuit substrate is firmly fixed, so as to save the space for secure components such as mounting screws, the small of motor can be realized Type.

According to the first aspect of the utility model embodiment, there is provided a kind of motor, have：

Axle, it is configured along vertically extending central axis；

Rotor retainer, it rotates together with the axle, and with cap and cylindrical portion；

Rotor magnet, its is cylindrical, and is fixed on the inner peripheral surface of the cylindrical portion；

Parts of bearings, the e axle supporting is to rotate in the position leaned on the downside of axial direction than the cap by it；

Bearing cage part, its is cylindrical, and the parts of bearings is held in the inner circumferential of the bearing cage part Face；

Stator, its radial outside for being configured at the bearing cage part, and it is opposite with the rotor magnet in radial direction；With And

Circuit substrate, it has at center through the opening portion of the insertion bearing cage part, and exists in the axial direction The bearing cage part is fixed on than stator position on the lower,

Characterized in that,

The bearing cage part has in the flange part with the Directional Extension of the central axis upright,

The flange part has the location division extended to radial outside,

The location division has the locator protrusions to the upwardly projecting tabular of axle,

In the end of the opening portion of the circuit substrate, with the seam cut out to radial outside,

The locator protrusions is fixed in the seam.

According to the second aspect of the utility model embodiment, wherein, the locator protrusions has on the surface of circumferential end Inclined plane, the inclined plane makes downwards the width of the locator protrusions become big from the top of above-below direction.

According to the third aspect of the utility model embodiment, wherein, the top of the locator protrusions has press section.

According to the fourth aspect of the utility model embodiment, wherein, the locator protrusions has substrate spigot surface, and it is from upper The top in lower direction inclines downwards from radially inner side to radial outside.

The 5th aspect according to the utility model embodiment, wherein, also there are the bearing cage part multiple substrates to consolidate Portion is determined, end of the multiple substrate securing part diametrically with the opening portion of the circuit substrate is opposite, described in each Substrate securing part is in circular shape, and the central angle sum corresponding to the circular shape of the multiple substrate securing part is more than 180 degree.

According to the utility model embodiment the 6th aspect, wherein, the circuit substrate by with the substrate securing part Rivet and fix.

The beneficial effects of the utility model are：Circuit substrate is firmly fixed, and realizes the miniaturization of motor.

With reference to explanation hereinafter and accompanying drawing, particular implementation of the present utility model is disclose in detail, specify this practicality New principle can be in adopted mode.It should be understood that implementation method of the present utility model is not subject to thus in scope Limitation.In the range of the spirit and terms of appended claims, implementation method of the present utility model includes many changes, modifications With it is equivalent.

Brief description of the drawings

Included accompanying drawing is used for providing being further understood from the utility model embodiment, which constitutes specification A part, for illustrating implementation method of the present utility model, and comes together to explain principle of the present utility model with word description.It is aobvious And easy insight, drawings in the following description are only some embodiments of the present utility model, for those of ordinary skill in the art For, without having to pay creative labor, other accompanying drawings can also be obtained according to these accompanying drawings.In the accompanying drawings：

Fig. 1 is a schematic cross-section for axial direction of the motor of the embodiment of the present application 1；

Fig. 2 is that the circuit substrate and bearing cage part of the embodiment of the present application 1 are installed on a schematic perspective view together；

Fig. 3 is that the circuit substrate and bearing cage part of the embodiment of the present application 1 are installed on a schematic top plan view together；

Fig. 4 is a top view of the circuit substrate of the embodiment of the present application 1；

Fig. 5 is a schematic cross-section in the O-O directions of Fig. 3.

Specific embodiment

Referring to the drawings, by following specification, of the present utility model foregoing and further feature will be apparent.Saying In bright book and accompanying drawing, specifically disclose particular implementation of the present utility model, which show wherein can using this practicality newly The some embodiments of the principle of type, it will thus be appreciated that the utility model is not limited to described implementation method, conversely, this reality With new whole modifications, modification and equivalent including falling within the scope of the appended claims.

In addition, in the description below of the present utility model, for convenience of description, by the radius centered on the axle of motor Direction is referred to as " radial direction ", and the circumferencial direction centered on axle is referred to as into " circumference ", will be referred to as " above-below direction " along the direction of axle, its In, in the above-below direction, the direction for pointing to circuit substrate by stator is " upper direction ", and the direction opposite with " upper direction " is " lower direction ".It should be noted that it is above-mentioned for upper direction, lower direction definition simply to illustrate that convenience, do not limit Motor using and manufacture when direction.

Embodiment 1

The utility model embodiment provides a kind of motor, and Fig. 1 is that the section of an axial direction of the motor of the present embodiment shows It is intended to.

As shown in figure 1, motor 100 can include：Axle 101, rotor retainer 102, rotor magnet 103, parts of bearings 104, bearing cage part 105, stator 106, and circuit substrate 107.

In the present embodiment, axle 101 can be configured along vertically extending central axis C；Rotor retainer 102 Can be rotated together with axle 101, and with cap 1021 and cylindrical portion 1022；Rotor magnet 103 can be with cylindrical and fixed In the inner peripheral surface of cylindrical portion 1022；Parts of bearings 104 is supported as can axle 101 by the position on the downside of axial direction than cap 1021 Rotation；Bearing cage part 105 can be with cylindrical, and parts of bearings 104 can be held in the interior of bearing cage part 105 Side face；Stator 106 can be configured at the radial outside of bearing cage part 105, and opposite with rotor magnet 103 in radial direction；Electricity Base board 107 has the opening portion (not shown) of holding member 105 is held through insertion axle at center, and in axial direction than stator Bearing cage part 105 is fixed in 106 position on the lower.

Fig. 2 is circuit substrate and bearing cage part is installed on a schematic perspective view together, Fig. 3 be circuit substrate and Bearing cage part is installed on a schematic top plan view together, and Fig. 4 is a top view of the circuit substrate of the present embodiment.

As shown in figure 4, in the end of the opening portion 1071 that holding member 105 is held through insertion axle of circuit substrate, having The seam 1072 cut out to radial outside.

As shown in Figure 1 and Figure 2, in the present embodiment, bearing cage part 105 can have vertical with central axis C Directional Extension flange part 1051, the flange part 1051 have to radial outside extend location division 1052, the location division 1052 have the locator protrusions 1053 to the upwardly projecting tabular of axle.

As shown in figure 3, in the present embodiment, locator protrusions 1053 can be fixed in the seam 1072 of seam circuit substrate 107.

In the present embodiment, fixed with the locator protrusions of bearing cage part by by the seam of circuit substrate, so that firmly Ground permanent circuit substrate, thus, saves the space for secure components such as mounting screws, can realize the miniaturization of motor.

In the present embodiment, as depicted in figs. 1 and 2, locator protrusions 1053 can have substrate spigot surface 1054, the substrate Spigot surface 1054 can be inclined-plane, for example, substrate spigot surface 1054 inclines from radially inner side to radial outside from the top to the bottom Tiltedly.Thus, during circuit substrate 107 is installed from the top down, the substrate spigot surface 1054 can be to circuit substrate 107 Seam 1072 is guided, consequently facilitating the installation between seam 1072 and locator protrusions 1053, prevents inconvenient right in installation process Circuit substrate 107 causes to damage.

Fig. 5 is a schematic cross-section in the O-O directions of Fig. 3.As shown in figure 5, in the present embodiment, locator protrusions 1053 There can be inclined plane 1056 on the surface 1055 of circumferential end, the inclined plane 1056 can make positioning dash forward from the top to the bottom The width for playing 1053 becomes big.Thereby, it is possible to the installation being easy between seam 1072 and locator protrusions 1053, also, improve to circuit The fixing intensity of substrate 107.

In the present embodiment, as shown in figure 5, the top of locator protrusions 1053 can have press section 1057.By circuit After substrate 107 is fixedly mounted with locator protrusions 1053, press section 1057 can be pressed, so that locator protrusions 1053 Top deform and heave laterally, thereby, it is possible to further permanent circuit substrate 107.

In the present embodiment, as shown in Figures 2 and 3, bearing cage part 105 can also have multiple substrate securing parts 1058, the end that the plurality of substrate securing part 1058 can be diametrically with the opening portion 1071 of circuit substrate 107 is opposite.

In the present embodiment, in the case where circuit substrate 107 is arranged at into the bearing cage part 105, can pass through The modes such as punching press make the plurality of substrate securing part 1058 deform, so as to press the end of the opening portion 1071 of circuit substrate 107 Portion, thus, circuit substrate 107 is fixed by being riveted with substrate securing part 1058 such that it is able to further increased to circuit The intensity that substrate 107 is fixed.

In the present embodiment, as shown in figure 3, each substrate securing part 1058 can be in circular shape, also, this is more Central angle sum corresponding to the circular shape of individual substrate securing part 1058 can be more than 180 degree, thus, substrate securing part 1058 The area pressed circuit substrate 107 is larger, thus, the intensity that increase is fixed to circuit substrate 107.

The utility model is described above in association with specific embodiment, but those skilled in the art should be clear Chu, these descriptions are all exemplary, are not the limitation to the utility model protection domain.Those skilled in the art can be with root Various variants and modifications are made to the utility model according to spirit of the present utility model and principle, these variants and modifications are also in this reality With in new scope.

Claims

1. a kind of motor, has：

Axle, it is configured along vertically extending central axis；

Bearing cage part, its is cylindrical, and the parts of bearings is held in the inner peripheral surface of the bearing cage part；

Stator, its radial outside for being configured at the bearing cage part, and it is opposite with the rotor magnet in radial direction；And

Circuit substrate, it has at center through the opening portion of the insertion bearing cage part, and in the axial direction than institute State stator position on the lower and be fixed on the bearing cage part,

Characterized in that,

The flange part has the location division extended to radial outside,

The locator protrusions is fixed in the seam.

2. motor as claimed in claim 1, it is characterised in that

The locator protrusions has inclined plane on the surface of circumferential end, and the inclined plane makes downwards from the top of above-below direction The width of the locator protrusions becomes big.

3. motor as claimed in claim 1, it is characterised in that

The top of the locator protrusions has press section.

4. motor as claimed in claim 1, it is characterised in that

The locator protrusions has substrate spigot surface, and it is from the top of above-below direction downwards and from radially inner side to radial outside Incline.

5. motor as claimed in claim 1, it is characterised in that

The bearing cage part also has multiple substrate securing parts, the multiple substrate securing part diametrically with the circuit The end of the opening portion of substrate is opposite,

Each described substrate securing part is in circular shape,

Central angle sum corresponding to the circular shape of the multiple substrate securing part is more than 180 degree.

6. motor as claimed in claim 5, it is characterised in that

The circuit substrate is fixed by being riveted with the substrate securing part.