CN200987086Y

CN200987086Y - Motor magnet fixing mechanism

Info

Publication number: CN200987086Y
Application number: CN 200620165625
Authority: CN
Inventors: 唐永裕
Original assignee: MINGYUAN INDUSTRY Co Ltd
Current assignee: MINGYUAN INDUSTRY Co Ltd
Priority date: 2006-12-13
Filing date: 2006-12-13
Publication date: 2007-12-05
Anticipated expiration: 2016-12-13

Abstract

A fixing device of motor magnet comprises at least two pressing rings, the expected number of magnet and the fixing assembly. Two pressing rings is equipped with several projecting cylinders isometrically on at least one pressing ring surface, each cylinder is equipped with a fixing hole through the axial direction and formed an embedding location at each side surface. The magnet is imbedded between two pressing rings and positioned between the adjacent cylinder of two pressing rings, and scarfing location is formed on each of two side surface for relative positioning on the adjacent embedding location. The fixing assembly is relatively positioned in the fixing hole of the cylinder of two pressing rings, and two pressing rings are fixed and combined as a body to make the magnet fixed between two pressing rings.

Description

The motor magnet fixing device

Technical field

The utility model is relevant with a kind of motor magnet, in detail, is meant especially and a kind ofly establishes magnet in motor magnet fixing device wherein by the fixing group of two pressure rings.

Background technology

Press, known motor magnet is to utilize solid that predetermined magnet is posted solid in a motor shell inner face according to certain intervals, again rotor is goed deep into the middle rotation of this motor shell, the transformation effect in the magnetic line of force and magnetic field between utilization and magnet, and generation electric power, but because of solid uses for a long time, its stickiness is degenerated and is weakened, magnet is then come off, causing motor damages, simultaneously, paste when consolidating magnet, because of the polarity of magnet is inhaled or the effect generation beat that repels each other mutually, be difficult for magnet precisely fixing during operation, except that the convenience of influence assembling, the crack also can't be effectively precisely average between between each magnet, cause magneto motive inequality, the performance that influences motor is also unstable, therefore, research and develop a kind of motor magnet fixing device before the utility model people, please cooperate consult shown in Figure 1, known motor magnet fixing device is by a motor shell 10, the magnet 11 of predetermined number, two locating rings 12 and bolt 13 are formed, wherein, this motor shell 10 is the hollow housing of an oval column, these magnet 11 are shaped to the strip arcuation lamellar body of these motor shell 10 inner face radians relatively, for these magnet 11 directly with suction adsorption on these motor shell 10 inner faces, in addition, this two locating ring 12 is a ring body, its ring convexes with an antelabium 121 week, can be with inlay card location in addition, the end face both sides of magnet 11, and these two locating rings, 12 anchor rings are provided with four perforation 122, these 122 both sides of boring a hole are convexly equipped with the flange 123 at relative magnet 11 end angles downwards, for the part that is embedded magnet 11 end angles in wherein, then, bolt 13 is passed the perforation 122 of a side locating ring 12, and be fixed at relative nut 131 in opposite side, these magnet 11 can be fixed in this motor shell 10 by two locating rings 12, only, known motor magnet fixing device is embedded magnet 11 by two locating rings 12 in wherein the time in these motor shell 10 2 sides, be embedded magnet 11 same can suctions mutually in the assembling process because of magnetic, the relation of the effect of repelling each other, cause operational inconvenience, and when bolt 13 passes perforation 122 when being fixed at nut 131, bolt 13 is passed by crack between 11 of two magnet, therefore, when it is subjected to magnet 11 magnetic actions, can make it in wearing the locking process, rock beat toward magnet 11 directions, this bolt 13 is difficult for controlled location, increases the inconvenience of assembling difficulty and operation.

The utility model content

The purpose of this utility model is to provide a kind of motor magnet fixing device, to overcome the defective that exists in the known technology.

For achieving the above object, the motor magnet fixing device that the utility model provides, this motor shell internal ring wall edge is fixed in assembling, and is located on relatively the rotor ring week of motor, wherein, this magnet fixing device magnet and fixation kit of including two pressure rings, predetermined number formed; Wherein this two pressure ring is shaped to the hollow ring body, wherein, be provided with the cylinder of several protrusions on the anchor ring of at least one pressure ring between equidistant, each cylinder axially and be equipped with a fixing hole, and the two sides of these cylinders and respectively form a fitting portion, and another pressure ring is provided with the fixing hole of relative position;

These magnet are folded between two pressure rings, and respectively assembling is embedded between the adjacent cylinder of two pressure rings, and wherein, the two sides of each magnet also respectively form an interlocking portion, to be embedded relatively in the fitting portion that is limited between adjacent two cylinders;

These fixation kits are worn relatively and are organized in the cylinder fixing hole of the predetermined position of halving of two pressure rings, with this two pressure ring fixedly winding be integral, these magnet geometrical clamps are located between two pressure rings.

Described motor magnet fixing device, wherein this two pressure ring is shaped to the hollow ring body of identical symmetry, one is a upper press ring, another is following pressure ring, and this two pressure ring is the one-body molded person of plastic insulation material, in addition, is provided with the cylinder of several protrusions on the anchor ring of this upper and lower pressure ring between equidistant, each cylinder axially and be equipped with a fixing hole, and the two sides of these cylinders and respectively form a fitting portion.

Described motor magnet fixing device, wherein the interlocking portion of these magnet is convexly equipped with and is shaped to the vee-block body, and the fitting portion of this cylinder is arranged with and is shaped to V-shaped groove.

Described motor magnet fixing device, wherein the interlocking portion of these magnet is arranged with and is shaped to V-shaped groove, and the fitting portion of this cylinder is convexly equipped with and is shaped to the vee-block body.

Described motor magnet fixing device, wherein the interlocking portion of these magnet is convexly equipped with the arbitrary shape block that is shaped in a U-shaped, T shape or the dovetail, and the fitting portion of this cylinder is arranged with the relative groove that is shaped in U-shaped, T shape or the dovetail relatively.

Described motor magnet fixing device, wherein these fixation kits are constituted by self-tapping screw.

Described motor magnet fixing device, wherein these fixation kits are constituted by rivet.

Described motor magnet fixing device, wherein the upper and lower side of this two pressure ring is provided with two relative up and down motor shells, and this two motor housing respectively is provided with a group connecting part in a side of relative pressure ring, supplies this two pressure ring of relative winding and magnet in it.

Described motor magnet fixing device, wherein this motor shell is upper and lower motor shell, should go up the group connecting part one side group of motor shell and establish rotor, each is provided with a winding axle to this rotor in the vertical both sides of middle position, and this upper and lower motor shell respectively is provided with a joining hole in relative winding shaft position place, winding axle for this rotor can pass joining hole, be mounted between this upper and lower motor shell, in addition, the group connecting part one side ring edge group of this time motor shell is provided with a centre circle, and this centre circle is fixedly arranged between this pressure ring and following motor shell.

By enforcement of the present utility model, the motor magnet fixing device that it provides, this two pressure ring utilizes the interlocking portion of each magnet to be embedded in the fitting portion that is limited between adjacent two cylinders, the magnetic of these magnet is distributed in this two pressure ring fifty-fifty, stability with these magnet magnetic of relative lifting, and these fixation kits are worn relatively and are organized in the cylinder fixing hole of two pressure rings, make the fixing group of this two pressure ring establish magnet in wherein, therefore, this two pressure ring can directly be assembled, and be that plastic material is made, when assembling, these fixation kits are subjected to the guiding of these cylinder fixing holes, easily penetrate in these cylinders to assemble, and some plastic material pressure ring of fixation kit and magnet interbody spacer, make these fixation kits not be subjected to the magnetic action of magnet, can be assembled in easily in this two pressure ring, make the simple and easy effect that has in the assembling, and improve the output of product relatively, to promote the competitiveness in market.

Description of drawings

Fig. 1 is the exploded view of known motor magnet fixing device.

Fig. 2 is the outside drawing of the utility model preferred embodiment.

Fig. 3 is the part exploded view of the utility model preferred embodiment.

Fig. 4 is the phantom of the utility model preferred embodiment.

Fig. 5 is another cutaway view of the utility model preferred embodiment.

Fig. 6 is the phantom of another embodiment of the utility model.

Fig. 7 is the part exploded view of the another embodiment of the utility model.

Embodiment

See also Fig. 2 to shown in Figure 3, the utility model provides a kind of preferred embodiment of motor magnet fixing device, and this motor includes motor shell 20 on, once members such as motor shell 30, a rotor 40, a centre circle 50 and a magnet fixing device 6 are formed; Wherein:

Should go up motor shell 20, and be shaped to circular-arc lid, its vertical side is provided with a group connecting part 21, and provides a joining hole 22 in central position, and motor shell 20 wears the perforation 23 that is predetermined space along its ring edge on this;

This time motor shell 30, be shaped to the circular-arc lid that to go up motor shell 20 relatively, it should be gone up motor shell 20 1 sides relatively and establish a group connecting part 31, and was provided with a joining hole 32 in relative joining hole 22 positions, and this time motor shell 30 also is provided with perforation 33 in relative perforation 23 positions;

This rotor 40, group connecting part 21 1 sides of axle pivot motor shell 20 on this, establish a winding axle 41 in vertical two side shafts of middle position, and this rotor 40 passes the joining

hole

22,32 of this upper and

lower motor shell

20,30 by winding axle 41, be mounted on 20,30 of this upper and lower motor shells;

This centre circle 50 is shaped to columned hollow housing, and it is mounted on these upper and

lower motor shell

20,30 relative

group connecting parts

21,31 and encircles intermarginal; And

This magnet fixing device 6, this upper and

lower motor shell

20,30 internal ring wall edge are fixed in assembling, and rotor 40 rings that are located on motor relatively are all, and this magnet fixing device 6 includes a upper press ring 60, once the magnet 80 and the fixation kit 90 of pressure ring 70, predetermined number are formed, wherein:

This upper press ring 60, it in the present embodiment the made circular hollow ring body of plastic insulation material, be provided with the cylinder 61 of several protrusions on its anchor ring between equidistant, each cylinder 61 axially and be equipped with a fixing hole 611, and the two sides of these cylinders 61 and respectively be arranged with the fitting portion 612 of moulding one V-shaped groove;

This time pressure ring 70, be shaped to the shape of this upper press ring 60 relatively, it is that plastic material is made, and the position in relative these cylinders 61 is convexly equipped with relative cylinder 71, these cylinders 71 provide a fixing hole 711 in 611 positions, relative fixed hole, these fixing hole 711 spiral shells are provided with internal thread 7111, and the two sides of these cylinders 71 also respectively are arranged with the V-shaped groove fitting portion 712 of moulding one relative these upper press ring 60 fitting portions 612;

These magnet 80, be folded in 60,70 of this upper and lower pressure rings, and each assembling is embedded at 61,71 of the adjacent cylinders of this upper and

lower pressure ring

60,70, the two sides of each magnet 80 also respectively are convexly equipped with the vee-block body interlocking portion 81 that is shaped to a relative fitting portion 612,712, be limited in 60,70 of this upper and lower pressure rings to be embedded relatively in the fitting portion 612,712 that is limited in 61,71 of adjacent two cylinders, these magnet 80 can be engaged relatively;

These fixation kits 90, formed by four screws 91 and four selfs tapping 92, it is interlaced the wearing of predetermined space and organizes in

cylinder

61,71 fixing holes 611,711 of these upper and

lower pressure ring

60,70 predetermined position of halving, and these screws 91 pass this upper and

lower motor shell

20,30, it can be set firmly mutually, in addition, these self-tapping screws 92 are to be mounted in the fixing hole 611,711 of this upper and

lower pressure ring

60,70, should upper and

lower pressure ring

60,70 fixedly winding be integral, make these magnet 80 geometrical clamps be located at 60,70 of this upper and lower pressure rings.

By for further understanding the effect that the utility model structural feature, application technology means and institute's expection are reached, the utility model occupation mode is narrated, believing be able to have more deep and concrete understanding to the utility model therefrom, as described below:

See also Fig. 2 to shown in Figure 5, earlier these magnet 80 are embedded relatively by the interlocking portion 81 of both sides and are limited in adjacent two

cylinders

61,71 fitting portion 612, in 712, be limited on this with engaging, following

pressure ring

60,70, again these self-tapping screws 92 are passed the fixing hole 611 of this cylinder 61 from this upper press ring 60 tops one side, be located at spiral shell in the fixing hole 711 of this time pressure ring 70 cylinders 71, in order to do making on this, following

pressure ring

60,70 can set firmly mutually, then, with group establish on, following

pressure ring

60,70 and magnet 80 be arranged in centre circle 50 inside of this lower house 30 group connecting parts 31 tops one side, this rotor 40 is passed the joining hole 32 of this time motor shell 30 by winding axle 41, to be mounted on this upper press ring 60 upsides, and the joining hole 22 that should go up motor shell 20 passes the winding axle 41 of these rotor 40 tops, to be mounted on this rotor 40 upsides, can be fixedly arranged on this for this rotor 40, following

motor shell

20,30, at last, again with these screws 91 from this on the perforation 23 of passing motor shell 20 on this of motor shell 20 tops one side, this

cylinder

61,71

fixing hole

611,71 and the perforation 33 of this time motor shell 30, establish in the relative nut 911 that is fixed in this time motor shell 30 belows one side with spiral shell, make on this, following

motor shell

20,30 can set firmly mutually.

See also shown in Figure 6, the utility model provides another embodiment of a kind of motor magnet fixing device, its major function and last embodiment are together, so repeat no more, wherein, these upper press ring 60 cylinders 61 respectively are convexly equipped with the fitting portion 613 of moulding one V-shaped block in vertical two sides, and also being provided with one relatively, the cylinder 71 of this time pressure ring 70 is convexly equipped with the fitting portion 713 that is shaped to the vee-block body, and each relative fitting portion 613 in magnet 80 both sides, 713 respectively are provided with one is arranged with the interlocking portion 82 that is shaped to V-shaped groove, can be slidedly arranged on fitting portion 613 relatively by the interlocking portion 82 of both sides for each magnet 80, in 713, these magnet 80 can be engaged relatively to be limited on this, following

pressure ring

60,70, in addition, this interlocking portion 82 and this fitting portion 613,713 also can be shaped to a U-shaped relatively, arbitrary shape in T shape or the dovetail, be slidedly arranged on this fitting portion 613 for this interlocking portion 82, in 713, these magnet 80 are had to engage relatively to be limited on this, following

pressure ring

60,70 effect.

See also shown in Figure 7, the utility model provides a kind of another embodiment of motor magnet fixing device, its major function and last embodiment are together, so repeat no more, wherein, on one, following pressure ring 100,110 are shaped to circular hollow ring body, be provided with the cylinder 111 of several protrusions on the anchor ring of this time pressure ring 110 between equidistant, each cylinder 111 axially and be equipped with a fixing hole 1111, and the two sides of these cylinders also respectively form a fitting portion 1112, and this upper press ring 100 is provided with the hole 101 that is relatively fixed in relative this time pressure ring 110 fixing holes 1111 positions, for one is that the fixation kit 120 that rivet constituted passes these relative upper press ring 100 fixing holes 101, be locked in the fixing hole 1111 of this time pressure ring 110, should go up, following pressure ring 100,110 fixedly winding be integral, magnet 130 geometrical clamps of predetermined number are located on this, following pressure ring 100,110.

Again feature of the present utility model and attainable expection effect thereof are presented below:

1, motor magnet fixing device of the present utility model, this two pressure rings system utilizes the interlocking portion of each magnet to be embedded in the fitting portion that is limited between adjacent two cylinders, the magnetic system of these magnet is distributed in this two pressure ring, with the stability person of these magnet magnetic of relative lifting fifty-fifty.

2, motor magnet fixing device of the present utility model, this two pressure ring is that plastic material is made, when assembling, these fixation kits are subjected to the guiding of these cylinder fixing holes, easily penetrate in these cylinders to assemble, and some plastic material pressure ring of fixation kit and magnet interbody spacer, make these fixation kits not be subjected to the magnetic action of magnet, can be assembled in easily in this two pressure ring, in order to do making the simple and easy effect that has in the assembling, and improve the output of product relatively, to promote the competitiveness in market.

The above only is of the present utility model one preferable possible embodiments, changes so use the equivalent structure that the utility model specification and claim do such as, ought to be included in the claim of the present utility model.

Claims

1, a kind of motor magnet fixing device, this motor shell internal ring wall edge is fixed in assembling, and is located on relatively the rotor ring week of motor, and wherein, this magnet fixing device includes the magnet and the fixation kit of two pressure rings, predetermined number and forms; It is characterized in that:

This two pressure ring is the hollow ring body, wherein, be provided with the cylinder of several protrusions on the anchor ring of at least one pressure ring between equidistant, each cylinder axially and be equipped with a fixing hole, and the two sides of these cylinders and respectively form a fitting portion, and another pressure ring is provided with the fixing hole of relative position;

These magnet are folded between two pressure rings, and respectively assembling is embedded between the adjacent cylinder of two pressure rings, and wherein, the two sides of each magnet also respectively form an interlocking portion, are embedded relatively in the fitting portion that is limited between adjacent two cylinders;

2, motor magnet fixing device as claimed in claim 1, it is characterized in that: wherein this two pressure ring is shaped to the hollow ring body of identical symmetry, one is a upper press ring, another is following pressure ring, and this two pressure ring is the one-body molded person of plastic insulation material, in addition, is provided with the cylinder of several protrusions on the anchor ring of this upper and lower pressure ring between equidistant, each cylinder axially and be equipped with a fixing hole, and the two sides of these cylinders and respectively form a fitting portion.

3, motor magnet fixing device as claimed in claim 1 is characterized in that: wherein the interlocking portion of these magnet is convexly equipped with and is shaped to the vee-block body, and the fitting portion of this cylinder is arranged with and is shaped to V-shaped groove.

4, motor magnet fixing device as claimed in claim 1 is characterized in that: wherein the interlocking portion of these magnet is arranged with and is shaped to V-shaped groove, and the fitting portion of this cylinder is convexly equipped with and is shaped to the vee-block body.

5, motor magnet fixing device as claimed in claim 1, it is characterized in that: wherein the interlocking portion of these magnet is convexly equipped with the arbitrary shape block that is shaped in a U-shaped, T shape or the dovetail, and the fitting portion of this cylinder is arranged with the relative groove that is shaped in U-shaped, T shape or the dovetail relatively.

6, motor magnet fixing device as claimed in claim 1, it is characterized in that: wherein these fixation kits are constituted by self-tapping screw.

7, motor magnet fixing device as claimed in claim 1, it is characterized in that: wherein these fixation kits are constituted by rivet.

8, motor magnet fixing device as claimed in claim 1, it is characterized in that: wherein the upper and lower side of this two pressure ring is provided with two relative up and down motor shells, this two motor housing respectively is provided with a group connecting part in a side of relative pressure ring, and this two pressure ring of winding and magnet are in it relatively.

9, motor magnet fixing device as claimed in claim 1, it is characterized in that: wherein this motor shell is upper and lower motor shell, should go up the group connecting part one side group of motor shell and establish rotor, each is provided with a winding axle to this rotor in the vertical both sides of middle position, and this upper and lower motor shell respectively is provided with a joining hole in relative winding shaft position place, the winding axle of this rotor passes joining hole, be mounted between this upper and lower motor shell, in addition, the group connecting part one side ring edge group of this time motor shell is provided with a centre circle, and this centre circle is fixedly arranged between this pressure ring and following motor shell.