CN1233083C - Rotary motor - Google Patents
Rotary motor Download PDFInfo
- Publication number
- CN1233083C CN1233083C CN 02105362 CN02105362A CN1233083C CN 1233083 C CN1233083 C CN 1233083C CN 02105362 CN02105362 CN 02105362 CN 02105362 A CN02105362 A CN 02105362A CN 1233083 C CN1233083 C CN 1233083C
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- China
- Prior art keywords
- bearing
- brush
- header portion
- motor
- turning motor
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Abstract
The present invention provides a simple-structure rotary motor for raising the consistency of the containing part of a bearing frame and central shafts of a bearing supporting hole. In the motor, an electric brush containing part 203 for containing an electric brush 21 is formed on one side of the end plate part 202 of the bearing frame 20; a bearing supporting hole formed one the same side of the electric brush containing part 203 comprises an opening part 204b and a stop block 204a opposite to a bearing 19; the opening part 204b is used for inserting the bearing 19 into the bearing supporting hole 204 from the side of containing the electric brush 21, such as the inner side of the end plate part 202.
Description
Technical field
The present invention relates to turn round the turning motor that armature type motor etc. has brushgear, be specifically related to a kind of being suitable for as the turning motor of electrically powered steering apparatus using same with motor.
Background technology
Fig. 7 and Fig. 8 are the revolution armature type motor that is used to illustrate that electrically powered steering apparatus using same is in the past used, and Fig. 7 is the sectional view of above-mentioned motor, and Fig. 8 is the plane graph of the bearing bracket stand of brushgear in the above-mentioned motor and ccontaining this brushgear.In Fig. 7,8, the 10th, motor, the 11st, armature, the 12nd, commutator, the 13rd, yoke, the 14th, magnet, the 15th, bearing, the 16th, gyroaxis, the 17th, lead, the 18th, packing ring, the 19th, bearing, the 20th, bearing bracket stand, the 21st, brushgear.Brushgear 21 comprises base 211 and is fixed in 4 brush containers 212 on the base 211.Gyroaxis 16 is by bearing 15,19 supportings.
In having the motor of said structure, bearing bracket stand 20 is to constitute by barrel 201 with in the header portion 202 that an end of this barrel 201 is wholely set, and barrel 201 engages and is fixed on the yoke 13 with the left end of yoke 13.In addition, bearing bracket stand 20 promptly has commutator 12 in the inboard of header portion 202 a side has the ccontaining part 203 of brush, with trip bolt 213 brushgear 21 is fixedly set in the inboard of header portion 202 in the ccontaining part 203 of brush.Header portion 202 has bearing support holes 204 at central part, and bearing 19 embeds in the bearing support holes 204 from the outside of header portion 202 and is fixed on the formed block 204a of medial extremity of bearing support holes 204.Gyroaxis 16 runs through the through hole 206 (with reference to Fig. 8) that is arranged at bearing support holes 204 and is bearing on the bearing 19.
Like this, because of the ccontaining part 203 of brush from its right side promptly inboard (right side) the cut barrel 201 from header portion 202 form, relative with it, bearing support holes 204 is carried out the cut of header portion 202 and is formed from the outside at the central part of header portion 202, like this, ccontaining part 203 of brush and bearing support holes 204 are that cut by mutual opposition side forms.Therefore, after machined on the die casting of bearing bracket stand 20, need the above-mentioned die casting of change clamping one side of brush holding part 203 and bearing support holes 204 to form remaining side.Because changed this clamping, each central shaft of ccontaining part 203 of above-mentioned brush and bearing support holes 204 is dislocation easily mutually.The instability that the dislocation of these these central shafts makes commutator 12 contact with brush in the brushgear 21 exists the rotary vibration of brush sound and gyroaxis 16 to become the problem that performance big, motor reduces.
Summary of the invention
The present invention is in view of the problems referred to above in the conventional art, and its purpose is to provide a kind of turning motor simple in structure with consistency raising of each central shaft that makes above-mentioned brush holding part and bearing support holes.
The turning motor of technical solution of the present invention 1 comprises: have barrel and the bearing bracket stand of the header portion that is wholely set in the end of one side, be formed at the interior bearing of supporting gyroaxis that also embeds of bearing support holes of described header portion, and the brushgear that is configured in the brush holding part that forms in interior week of described barrel, it is characterized in that described bearing embeds in the described bearing support holes from a side of the ccontaining part of described brush.
Technical solution of the present invention 2 described turning motors are technical scheme 1 described turning motors, it is characterized in that described dead eye and the ccontaining part of described brush cuts described header portion by homonymy respectively and barrel forms.
And, technical solution of the present invention 3 described turning motors are technical scheme 1 or 2 described turning motors, it is characterized in that above-mentioned brush holding part branch is formed at a side of above-mentioned header portion, in addition, form stopper portions with respect to above-mentioned bearing at the opposite side of above-mentioned header portion.
And technical solution of the present invention 4 described turning motors are technical scheme 1 or 2 described turning motors, it is characterized in that, also have to be used for further first positioner of the radial direction location of the above-mentioned bearing bracket stand of above-mentioned relatively brushgear.
And technical solution of the present invention 5 described turning motors are technical scheme 1 or 2 described turning motors, it is characterized in that, also have to be used for further second positioner of the circumferencial direction location of the above-mentioned bearing bracket stand of above-mentioned relatively brushgear.
Also have, technical solution of the present invention 6 described turning motors are technical scheme 1 or 2 described turning motors, it is characterized in that, this turning motor is the motor that electrically powered steering apparatus using same is used.
The turning motor of technical solution of the present invention 1 is embedded in the bearing support holes from the ccontaining part side of brush owing to bearing, so can be from homonymy machining bearing support holes and the ccontaining part of brush, can be easily and precision make these central shaft unanimities well, can reduce because of what brushgear caused and disturb sound, and can realize the stabilisation of the performance of turning motor.
And, the turning motor of technical solution of the present invention 2 forms header portion and barrel owing to the mutual homonymy from bearing support holes and the ccontaining part of brush cuts respectively, so these central shafts can be easily, precision is consistent well, sound is disturbed in reduction because of brushgear is caused, can realize the stabilisation of turning motor performance.
And, owing to the side of brush holding portion in header portion forms, and form at the opposite side of header portion, so can effectively locate the bearing that is embedded in the bearing supporting hole from the ccontaining part side of brush in stopper portions with respect to the stopper portions of bearing.
And, owing to have first positioner of radial location of the bearing bracket stand of relative brushgear, can prevent that brushgear is eccentric fixing in the ccontaining part of brush, can further improve the positioning accuracy of brush, reduce the brush sound, and can realize the stabilisation of the performance of turning motor.
And, even if be used to have second positioner of circumferencial direction location of the above-mentioned bearing bracket stand of relative brushgear, can prevent that also brushgear displacement along the circumferential direction in the ccontaining part of brush from fixing, can improve the positioning accuracy of brush, reduce the sound of brush, realize the stabilisation of the performance of turning motor, can reduce simultaneously because of the different poor performance that cause of the gyratory directions of turning motor.
And turning motor of the present invention is the motor that electrically powered steering apparatus using same is used, and can greatly bring into play the effect that above-mentioned two rotating poor performance reduce, and can obtain inexpensive and high performance electrically powered steering apparatus using same motor.In addition, the automobile that this motor is installed have can dwindle about the effect of actuating force difference of steering operation of two directions.
Description of drawings
Fig. 1 is the major part cutaway view of the example 1 of turning motor of the present invention.
Fig. 2 is the right hand view of Fig. 1.
Fig. 3 is the major part cutaway view of the example 2 of turning motor of the present invention.
Fig. 4 is the right hand view of Fig. 3.
Fig. 5 is the major part cutaway view of the example 3 of turning motor of the present invention.
Fig. 6 is the right hand view of Fig. 5.
Fig. 7 is the cutaway view of motor in the past.
Fig. 8 is the side view of the major part of motor in the past.
Embodiment
Below the example of turning motor of the present invention is described.In the explanation of this example, every position identical with the position of expression among Fig. 7,8 all is marked with identical label, and omits explanation.
Example 1
Fig. 1 and Fig. 2 are used to illustrate the example 1 of turning motor of the present invention, and this example 1 is the motor that electrically powered steering apparatus using same is used.Fig. 1 is the motor cutaway view of its bearing bracket stand especially of example 1, and Fig. 2 is the right hand view of Fig. 1.In Fig. 1, omit each position of the label 11-16 among Fig. 7,8, only represented the bearing bracket stand 20 and near the part thereof of motor of the present invention.
In Fig. 1,2, bearing bracket stand 20 has barrel 201 and header portion 202 integratedly.This bearing bracket stand 20 promptly has commutator 12 (consulting Fig. 7) in the inboard (right side) of its header portion 202 a side has the ccontaining part 203 of brush of ccontaining brushgear 21.The ccontaining part 203 of this brush is formed at the interior week of barrel 201.In addition, header portion 202 therein heart portion have the bearing support holes 204 that is embedded with bearing 19.
Brushgear 21 has the structure that is fixed with 4 brush containers 212 on the discoideus base 211 of the through hole that is provided with the central part axle, base 211 is the medial surface (right flank) of header portion 202 by the bottom surface that trip bolt 213 is fixed on the ccontaining part 203 of brush.On the other hand, bearing support holes 204 is provided with the peristome 204b that is used to embed bearing 19 in a side that forms the ccontaining part of brush, has block 204a with respect to bearing 19 at its opposition side.Lead 17 connects by elasticity and is fastened on the packing ring 18 in the notch portion 206 of bearing bracket stand 20 and leads to the outside.
In example 1, bearing bracket stand 20 is by mutual homonymy the ccontaining part 204 of brush and bearing support holes 204 to be carried out machined into to form.Specifically, the die casting that comprises barrel 201 and header portion 202 relatively, from medial extremity (right-hand end) to the interior perimembranous machined into of this barrel 201 and form brush holding portion 201, in addition, from medial extremity (right-hand end) to the central part machined into of its header portion 202 and form bearing support holes 204.From its inboard (right side) to the central part machined into of header portion 202 and form the result of bearing support holes 204, be the peristome 204b that is formed for embedding bearing 19 at the medial extremity of bearing support holes 204, in addition, the outboard end in bearing support holes 204 stays the block 204a that is used for bearing 19.Bearing 19 embeds bearing support holes 204 from the inboard (right side) of header portion 202 by the ccontaining part 203 of brush.Bearing 19 embeds bearing support holes 204 from the peristome 204b of the medial extremity (right-hand end) that is positioned at bearing support holes 204, and in the block 204a of the outboard end that is positioned at bearing support holes 204 (left-hand end) engaging location.
As mentioned above, bearing bracket stand 20 is made by mutual homonymy (right side) brush holding part 203 and bearing supporting hole 204 machined into.Specifically, barrel 201 machined into are formed the ccontaining part 203 of brush from its inboard (right side), then, equally from its inboard (right side) central part machined into formation bearing support holes 204 to header portion 202.Its result in the process of ccontaining part 203 and bearing support holes 204 machined into to brush, does not need change to clamp machined object (die casting).For this reason, each central shaft that can make ccontaining part 203 of brush and bearing support holes 204 and can be pressed specification requirement fine finishining correctly each degree of depth and diameter each other each other easily and highly consistent.
Before brushgear 21 is installed in its ccontaining part 203, bearing 19 is embedded bearing support holes 204 by ccontaining part 203.
Example 2
The example 2 of Fig. 3 and Fig. 4 explanation turning motor according to the present invention, this example 2 also is the motor that electrically powered steering apparatus using same is used.Fig. 3 is the cutaway view according to the bearing bracket stand of the motor of example 2, and Fig. 4 is a right hand view.With respect to example 1, this example 2 has added first positioner, is all representing with identical label with example 1 same section.
In Fig. 3,4, the 208th, as the projection of an example of above-mentioned first positioner, it is in the inner peripheral surface of the barrel 201 of bearing bracket stand 20 and barrel 20 one and equally spaced be arranged on 4 positions.This example 2 is compared difference with above-mentioned example 1 and is to be provided with projection 208, and other structures are then identical.
As implement in the form 1 illustratedly, brushgear 21 is by its base 211 and be anchored on the bottom surface of brushgear holding part 203 by fastening bolt 213 screws.At this moment, the bolt hole that is formed at base 211 is the free size hole normally, because fastening bolt 213 is gapped 214 in this screw hole, therefore, base 211 only might be fixed in the brushgear holding part 203 under the eccentric state of crack part betwixt.Fixing under this off-centre state causes problems such as the brush sound owing to the contact between brush and the commutator 12 (consulting Fig. 8) inhomogeneous.
In example 2,, projection 208 can solve problem fixing under the eccentric state by being set.That is, the diameter of the pitch circle on each top of 4 projections 208 of connection is designed to be a bit larger tham the diameter of base 211.Thereby, base 211 can not be subjected in the above-mentioned screw gap 214 sizes about, its radial position is restricted at projection 208 places, can be fixed on the bottom surface of the ccontaining part 203 of brush at ordinary times without acceptance of persons.
In addition, in example 3, the central shaft of ccontaining part 203 of brush and bearing support holes 204 is identical with example 1, can be consistent with good precision.
Example 3
Fig. 5 and Fig. 6 illustrate the example 3 of turning motor of the present invention, and this example 3 also is the motor that electrically powered steering apparatus using same is used.Fig. 5 is the cutaway view according to the bearing bracket stand of the motor of example 3, and Fig. 6 is its right hand view.This example 3 is to have added in example 1 brushgear 21 along first positioner 215 of its radial location and second positioner 216 of locating along its circumferencial direction.First positioner 215 is a projection of being located at the outer peripheral face of base 211, and in addition, second positioner 216 is the tabling pieces between base 211 and the header portion 202.In Fig. 5,6, represent with same numeral with example 1 same section.
Integratedly to be arranged on 4 positions equally spacedly, each projection 215 engages with the inner peripheral surface of barrel 201 projection 215 at the outer peripheral face of base 211 and base 211, plays the effect of the radial location of brushgear 21 equally with the projection 208 in the example 2.Specifically from the axially outstanding tenon of base 211, this tenon 216 is entrenched in the hole 209 that is formed at header portion 202 and plays the function of the circumferential location of brushgear 21 second positioner 216.
The circumferential location of this brushgear 21 can prevent that the brush sound that the displacement because of brushgear 21 causes from increasing and the performance reduction, simultaneously, because the circumferential displacement of brushgear 21 can be lowered the poor performance that the difference because of the gyratory directions of motor causes, pretend the motor of using for electrically powered steering apparatus using same have lower turn to about the effect of two rotating driveability differences.
Same with example 1, in example 3, the central shaft of ccontaining part 203 of brush and bearing support holes 204 is consistent with good precision.
Claims (6)
1. turning motor, comprise: have barrel and the bearing bracket stand of the header portion that is wholely set in the end of one side, be formed at the interior bearing of supporting gyroaxis that also embeds of bearing support holes of described header portion, and the brushgear that is configured in the brush holding part that forms in interior week of described barrel, it is characterized in that described bearing embeds in the described bearing support holes from a side of the ccontaining part of described brush.
2. turning motor as claimed in claim 1 is characterized in that, described dead eye and the ccontaining part of described brush cuts described header portion by homonymy respectively and barrel forms.
3. turning motor as claimed in claim 1 or 2 is characterized in that, described brush holding part branch is formed at a side of described header portion, in addition, forms stopper portions with respect to described bearing at the opposite side of described header portion.
4. turning motor as claimed in claim 1 or 2 is characterized in that, also has to be used for further first positioner of the radial location of the described bearing bracket stand of described relatively brushgear.
5. turning motor as claimed in claim 1 or 2 is characterized in that, also has to be used for further second positioner of the circumferencial direction location of the described bearing bracket stand of described relatively brushgear.
6. turning motor as claimed in claim 1 or 2 is characterized in that, described turning motor is the motor that electrically powered steering apparatus using same is used.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02105362 CN1233083C (en) | 2002-02-25 | 2002-02-25 | Rotary motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02105362 CN1233083C (en) | 2002-02-25 | 2002-02-25 | Rotary motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1441533A CN1441533A (en) | 2003-09-10 |
| CN1233083C true CN1233083C (en) | 2005-12-21 |
Family
ID=27768452
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02105362 Expired - Fee Related CN1233083C (en) | 2002-02-25 | 2002-02-25 | Rotary motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1233083C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005010459A1 (en) * | 2005-03-08 | 2006-09-14 | Vorwerk & Co. Interholding Gmbh | electric motor |
-
2002
- 2002-02-25 CN CN 02105362 patent/CN1233083C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1441533A (en) | 2003-09-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| IP01 | Partial invalidation of patent right |
Decision date of declaring invalidation: 20090417 Decision number of declaring invalidation: 13246 |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20051221 Termination date: 20210225 |