CN102545484B - Brush type motor having reducer - Google Patents
Brush type motor having reducer Download PDFInfo
- Publication number
- CN102545484B CN102545484B CN201110462706.6A CN201110462706A CN102545484B CN 102545484 B CN102545484 B CN 102545484B CN 201110462706 A CN201110462706 A CN 201110462706A CN 102545484 B CN102545484 B CN 102545484B
- Authority
- CN
- China
- Prior art keywords
- brush
- terminal
- housing
- gear housing
- chimeric wall
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K13/00—Structural associations of current collectors with motors or generators, e.g. brush mounting plates or connections to windings; Disposition of current collectors in motors or generators; Arrangements for improving commutation
- H02K13/006—Structural associations of commutators
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K29/00—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/14—Means for supporting or protecting brushes or brush holders
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/22—Auxiliary parts of casings not covered by groups H02K5/06-H02K5/20, e.g. shaped to form connection boxes or terminal boxes
- H02K5/225—Terminal boxes or connection arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Frames (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Motor Or Generator Current Collectors (AREA)
Abstract
A brush type motor having a reducer comprises a magnet yoke housing, a gear housing, and a brush handle used for blocking two opening parts which are opposite to each other of the two housings; wherein the brush handle is provided with a magnet yoke side embedding wall embedded in the opening part of the magnet yoke housing and a gear side embedding wall embedded in the opening part of the gear housing; the rush handle is provided with a terminal used for supplying current from a connector part arranged on the gear housing to the brush; the terminal is provided with a contact terminal part arranged on the connector part, an outgoing line part penetrating the brush handle and electrically connected with the brush, and a tabular middle wiring part extending between the contact terminal part and the outgoing line part; the middle wiring part comprises a pair of wide range surfaces; and in the state that one wide range surface is abutted against an internal surface of at least the gear side embedding wall in the magnet yoke side embedding wall and the gear side embedding wall, the middle wiring part extends along the internal surface. The present invention provides the brush type motor having the reducer capable of keeping the terminal on the brush handle through a simple structure without using a high-level technology.
Description
Technical field
The present invention relates to the brush motor with decelerator.
Background technology
The known motor having with decelerator in the past, this motor is used for greatly on vehicle etc.As this motor with decelerator, the known motor that has so-called charged brush, the motor with brush is supplied with electric current by brush and commutator to rotor and is carried out drive motor.
As TOHKEMY 2009-33956 communique is recorded, on this motor with decelerator and brush, to and the brush carrier that keeps of the brush that slips of each commutator segment of commutator be arranged between motor body and decelerator.
In the motor of recording in TOHKEMY 2009-33956 communique, in order to make motor corresponding to multiple use, adopt insert-molding,, by for be inserted into the brush carrier that is shaped under the state in mould to the terminal that is connected to exit (pigtail) on brush and supplies with electric current, thereby terminal and brush carrier are formed as one.
But, for the design of the mould of insert-molding and use the insert-molding that this mould carries out to need high-caliber designing technique and a lot of high-caliber flow chart, so the production efficiency of motor is low.And, easily there is defective products, so qualified rate variance causes cost high.
Summary of the invention
The object of the invention is to, a kind of brush motor with decelerator can be provided, without high-level technology, can terminal be remained on brush carrier by simple structure.
To achieve these goals, in a mode of the present invention, provide a kind of brush motor with decelerator, possess yoke housing, gear housing and the brush carrier by opposed facing two opening port blockings of two housings.In described yoke housing, dispose commutator, this commutator has commutator segment.Described brush carrier pair keeps with the brush that described commutator segment slips, and disposes the terminal for supply with electric current to described brush from being arranged on connector portion described gear housing on described brush carrier.Described brush carrier is clamped by described yoke housing and described gear housing, and described brush carrier has the chimeric wall of yoke side in the peristome that is entrenched in described yoke housing and is entrenched in the chimeric wall of gear side in the peristome of described gear housing.Described terminal has the contact terminal portion that is configured in described connector portion, run through described brush carrier and and the lead-out wire portion of described brush electrical connection and the tabular middle wiring portion of extending between described contact terminal portion and described lead-out wire portion.In the middle of described, wiring portion has a pair of wide cut degree face, described in the middle of under the state of medial surface butt of the chimeric wall of at least described gear side of wiring portion among a wide cut degree face and described gear side and the chimeric wall of yoke side along this medial surface extension.
According to the present invention, without high-level technology, can terminal be remained on brush carrier by simple structure.
By the following description that the principle of the invention is described by way of example by reference to the accompanying drawings, can know other aspects of the present invention and advantage.
Brief description of the drawings
Fig. 1 is the major part cutaway view of the brush motor with decelerator of an embodiment of the invention.
Fig. 2 is for the yoke housing of key diagram 1 and the stereogram of gear housing.
Fig. 3 is the stereogram for the brush carrier of key diagram 1.
Fig. 4 is the exploded perspective view for the brush carrier of key diagram 1 and yoke housing.
Fig. 5 is the major part stereogram that the peristome of the gear housing of Fig. 1 is shown.
Embodiment
With reference to the accompanying drawings, the execution mode that the brush motor with decelerator of the present invention is specialized is described below.
As shown in Figure 1, the drive source that brush motor 1 with decelerator is used as windshield wiper device for example mounted on a vehicle (not shown) uses, this brush motor 1 possesses motor body 2 and decelerator 3, this decelerator 3 slows down by the rotation that makes motor body 2, thereby increase the torque of this motor body 2, give described windshield wiper device by transmission of torque.
The yoke housing 4 of motor body 2 is formed by conductive metal material, is formed as having the tubular of bottom.
As shown in Figure 4, on the peristome 4a of yoke housing 4, be formed with flange 4b, as shown in Figure 2, on the peristome 6a of the gear housing 6 of decelerator 3, be formed with flange 6b.This flange 4b is linked and is fixed on flange 6b by bolt B.On the peristome 4a of yoke housing 4, so that the mode of this peristome 4a obturation is provided with to brush carrier 5.Linked when fixing by bolt B at yoke housing 4 and gear housing 6, brush carrier 5 is clamped and fixed between flange 4b and flange 6b.
On the inner peripheral surface of yoke housing 4, be fixed with multiple magnetite MG, multiple magnetite MG configure in opposed mode.In the space being surrounded by opposed magnetite MG, be accommodated with rotor (gyrator) 7 in the mode that can rotate.
On rotor 7, be installed with rotating shaft 8, the base end part of rotating shaft 8 is arranged at the bearing 9a supporting of yoke housing 4 inner bottom parts in the mode that can rotate.The leading section of rotating shaft 8 is interior outstanding to gear housing 6, and is installed in the bearing 9b supporting on the middle position of brush carrier 5 in the mode that can rotate.
Brush carrier 5 is formed by insulating material such as synthetic resin, as shown in Figure 3, possesses interior cap 11 and outer cap 12, and interior cap 11 is formed as the shape identical with being formed on peristome 4a on yoke housing 4, and outer cap 12 is extended from interior cap 11.Interior cap 11 is embedded in this peristome 4a, and outer cap 12 is embedded in a part of the peristome 6a being formed on gear housing 6.
Interior cap 11 possesses: the 1st base plate 11a, is formed as the shape identical with the cross sectional shape of the peristome 4a of yoke housing 4; And the 1st chimeric wall 11b (the chimeric wall of yoke side), extend towards yoke housing 4 and gear housing 6 from the peripheral part of the 1st base plate 11a.That is to say, the 1st chimeric wall 11b is the tubular with the cross section of the shape identical with the peripheral part of the 1st base plate 11a.Interior cap 11 is entrenched in the peristome 4a of yoke housing 4 in the mode of the inner peripheral surface butt of its 1st chimeric wall 11b and yoke housing 4.Thus, the 1st base plate 11a is by peristome 4a obturation.
Bearing 9b is installed on the middle position of the 1st base plate 11a, and this bearing 9b is by rotatably mounted the leading section of rotating shaft 8.From the contrary part of the part with being formed with outer cap 12 of the 1st chimeric wall 11b, be extended with stop tab 11c to radial outside.On the other hand, the 2nd base plate 12a of outer cap 12 extends to radial outside from the 1st chimeric wall 11b.The flange 4b butt of this stop tab 11c and the 2nd base plate 12a and yoke housing 4, thus restriction brush carrier 5 further enters in yoke housing 4.
On the front end face of the 1st chimeric wall 11b and a pair of point symmetry position centered by the central shaft of rotating shaft 8, be formed with respectively backstay 14, be formed with the embedded hole 14a with bottom surface at the front end of backstay 14.In the time that yoke housing 4 and gear housing 6 are linked, a pair of backstay 14 passes through in the peristome 6a that is inserted in gear housing 6, and gear housing 6 is positioned with respect to yoke housing 4.
On the other hand, as shown in Figure 1, the 1st base plate 11a with the opposed side 11d of yoke housing 4 on be provided with the brush incorporating section 15 that the 1st brush B1 and the 2nd brush B2 are received respectively.The 1st brush B1 and the 2nd brush B2 that are incorporated in brush incorporating section 15 slip with the commutator segment SG that is arranged on the commutator 7a on rotor 7 respectively, supply with electric current to this commutator segment SG.
The 2nd base plate 12a extending from the 1st chimeric wall 11b to radial outside is formed as long limit and is positioned at quadrangle radially.Near on the peripheral part part, having extended to form towards gear housing 6 the 1st chimeric wall 11b of the 2nd base plate 12a
the 2nd chimeric wall 12b (the chimeric wall of gear side) of font.Outer cap 12 is entrenched in the peristome 6a of gear housing 6 in the mode of the inner peripheral surface butt in its 2nd chimeric wall 12b and gear housing 6.Being formed with on the brush carrier 5 of the 1st chimeric wall 11b and the 2nd chimeric wall 12b, be equipped with the 1st terminal T1 shown in Fig. 4 and the 2nd terminal T2 in the mode of extending towards gear housing 6.
The 1st terminal T1 adopts in such a way and is shaped, that is, utilize stamping machine to carry out punching press to copper coin, adopts bender to carry out bending, thereby is shaped the 1st terminal T1.Be formed with the 1st T1a of contact terminal portion extending to gear housing 6 sides at the leading section of the 1st terminal T1, be formed with the 1st T1b of lead-out wire portion at the base end part of the 1st terminal T1, the 1st T1b of lead-out wire portion runs through the 1st through hole 20 being formed on the 1st base plate 11a of interior cap 11, is connected with the exit PT1 of the 1st brush B1.The 1st tabular middle wiring T1c of portion extends between the 1st T1a of contact terminal portion and the 1st T1b of lead-out wire portion.
The 1st tabular middle wiring T1c of portion is between the 1st T1a of contact terminal portion and the 1st T1b of lead-out wire portion, mode bending with the medial surface 12e butt of its 1st chimeric wall 11b side and the wide cut degree face S1a of the 2nd chimeric wall 12b side and the medial surface 11e of the 1st chimeric wall 11b and the 2nd chimeric wall 12b forms, and extends along the medial surface 11e of the 1st chimeric wall 11b and the medial surface 12e of the 2nd chimeric wall 12b.
In the 2nd base plate 12a, near the 1st T1a of contact terminal portion of the 1st tabular middle wiring T1c of portion, extend to form the 1st holding piece 21 (hold assembly) to gear housing 6 sides.In the 1st base plate 11a, near the 1st T1b of lead-out wire portion of the 1st tabular middle wiring T1c of portion, extend to form the 2nd holding piece 22 (hold assembly) to gear housing 6 sides.
The 1st holding piece 21 and the 2nd holding piece 22 are separately positioned on the opposed position of medial surface 12e with medial surface 11e and the 2nd chimeric wall 12b of the 1st chimeric wall 11b.The 1st holding piece 21 and the 2nd holding piece 22 coordinate with corresponding medial surface 11e, 12e, the 1st tabular in the middle of the 1st chimeric wall 11b side of the wiring T1c of portion and the wide cut degree face S 1a of the 2nd chimeric wall 12b side and with the wide cut degree face S1b of the 1st chimeric wall 11b and the 2nd chimeric wall 12b opposition side on, in the middle of tabular by the 1st, the wiring T1c of portion grips, thereby the tabular middle wiring T1c of portion of restriction the 1st rocks.
On the other hand, the 2nd chimeric wall 12b of the 2nd base plate 12a near on the position of the 1st chimeric wall 11b, tabular along the 1st in the middle of the wiring T1c of portion extended to form the 3rd holding piece 23 (hold assembly) towards gear housing 6.The 3rd holding piece 23 is arranged on the opposed position of medial surface 12e with the 2nd chimeric wall 12b.The 3rd holding piece 23 coordinates with medial surface 12e, on these two wide cut degree face S1a, S1b, the 1st tabular middle wiring T1c of portion is gripped, and rocks thereby can limit the 1st tabular middle wiring T1c of portion.
The 2nd terminal T2 adopts in such a way and is shaped, that is, utilize stamping machine to carry out punching press to copper coin, utilizes bender to carry out bending, thereby is shaped the 2nd terminal T2.Be formed with the 2nd T2a of contact terminal portion extending to gear housing 6 sides at the leading section of the 2nd terminal T2, be formed with the 2nd T2b of lead-out wire portion at the base end part of the 2nd terminal T2, the 2nd T2b of lead-out wire portion runs through the 2nd through hole 30 being formed on the 1st base plate 11a of interior cap 11, is connected with the exit PT2 of the 2nd brush B2.The 2nd tabular middle wiring T2c of portion extends between the 2nd T2a of contact terminal portion and the 2nd T2b of lead-out wire portion.
The 2nd tabular middle wiring T2c of portion is between the 2nd T2a of contact terminal portion and the 2nd T2b of lead-out wire portion, in the mode of the wide cut degree face S2a of its 2nd chimeric wall 12b side and the medial surface 12e butt of the 2nd chimeric wall 12b, along the medial surface 12e configuration of the 2nd chimeric wall 12b.
In the 2nd base plate 12a, near the 2nd T2a of contact terminal portion of the 2nd tabular middle wiring T2c of portion, extend to form the 4th holding piece 31 (hold assembly) to gear housing 6.The 4th holding piece 31 is arranged on the opposed position of medial surface 12e with the 2nd chimeric wall 12b.The 4th holding piece 31 coordinates with medial surface 12e, the 2nd tabular by the 2nd on the wide cut degree face S2a of the 2nd chimeric wall 12b side of the wiring T2c of portion and the wide cut degree face S2b of the 2nd chimeric wall 12b opposition side in the middle of tabular in the middle of the wiring T2c of portion grip, thereby restriction the 2nd tabular in the middle of the wiring T2c of portion rock.
In the 2nd base plate 12a, extend to form 5th holding piece 32 (hold assembly) along the 2nd tabular middle wiring T2c of portion towards gear housing 6 from the position near the 1st chimeric wall 11b of the 2nd chimeric wall 12b.The 5th holding piece 32 is arranged on the opposed position of medial surface 12e with the 2nd chimeric wall 12b.The 5th holding piece 32 coordinates with medial surface 12e, on two wide cut degree face S2a, the S2b of the 2nd tabular middle wiring T2c of portion, the 2nd tabular middle wiring T2c of portion is gripped, thereby the tabular middle wiring T2c of portion of restriction the 2nd rocks.
The part from outside supporting the 1st T1a of contact terminal portion and the 2nd T2a of contact terminal portion at the 2nd chimeric wall 12b is provided with the chimeric wall 40 in outside extending along the 2nd chimeric wall 12b.Be formed with partition wall 41 at the chimeric wall 40 in outside with on the medial surface 12e being connected with the chimeric wall 40 in this outside, this partition wall 41 separates the 1st T1a of contact terminal portion (the 1st terminal T1) and the 2nd T2a of contact terminal portion (the 2nd terminal T2).Be formed with the chimeric wall 42 in inner side at the front end of partition wall 41, the chimeric wall 42 in this inner side by the 1st T1a of contact terminal portion and the 2nd T2a of contact terminal portion from inner side towards two-side supporting.
Gear housing 6 is formed by conductive metal materials such as aluminium alloys.Gear housing 6 has peristome 6a, this peristome 6a has and is formed on the 1st chimeric wall 11b on interior cap 11 and is formed on shape corresponding to the outer shape of the 2nd chimeric wall 12b of outer cap 12, can and be formed in the stop tab 11c on the 1st chimeric wall 11b chimeric wall 11b, 12b and wrap.
At this, the peristome 6a of gear housing 6 comprises: be positioned at the opposed peristome H1 of the locational inner cap corresponding with the cap 11 of brush carrier 5; Be positioned at the opposed peristome H2 of the locational enclosing cover corresponding with the outer cap 12 of brush carrier 5 (side opening portion of connector portion).As shown in Figure 2, the front opening face 61 of the peristome 6a of gear housing 6 is formed as and the plane of the flange 4b butt of yoke housing 4.
In the gear housing 6 being connected with the opposed peristome H1 of inner cap, be equipped with reduction gear.In the gear housing 6 being connected with the opposed peristome H2 of enclosing cover, be formed with connector portion 60, this connector portion is formed as tubular, inserts attaching plug (not shown) in this connector portion 60.
The reduction gear that gear housing 6 is formed as the worm screw 62 by linking from the outstanding rotating shaft 8 of brush carrier 5, with outstanding rotating shaft 8 and the worm gear 63 engaging with worm screw 62 etc. to be formed is received.
In gear housing 6, be provided with respectively by the base end part of worm screw 62 and rotatably mounted bearing 64a, the 64b of leading section.Be provided with output shaft 65 at the worm gear 63Zhou center of engaging with this worm screw 62.The reduction gear being incorporated in gear housing 6 will be exported from output shaft 65 after the rotation deceleration of rotating shaft 8.
As shown in Figure 5, on the inner bottom surface of the opposed peristome H1 of inner cap and a pair of point symmetry position centered by the central shaft of worm screw 62, be formed with respectively locator protrusions 68.In the time that yoke housing 4 and gear housing 6 are linked, a pair of locator protrusions 68 is fitted in the embedded hole 14a that is formed on a pair of backstay 14 on brush carrier 5.By a pair of locator protrusions 68 is embedded in the embedded hole 14a of this pair of backstay 14, thereby yoke housing 4 and gear housing 6 are positioned diametrically.In the embedded hole 14a that locator protrusions 68 is embedded into backstay 14 time, the front end face of locator protrusions 68 is connected on the described bottom surface of embedded hole 14a.Thereby yoke housing 4 and gear housing 6 are positioned in the axial direction.
On one end of the opposed peristome H1 of inner cap, be concaved with housing recess H1a, this housing recess H1a is by the stop tab 11c storage on the 1st chimeric wall 11b that is formed on interior cap 11.In the time that yoke housing 4 and gear housing 6 are connected, stop tab 11c is incorporated in housing recess H1a.Except the embedding of backstay 14 and locator protrusions 68, by the face of gear housing 6 sides and the inner bottom surface butt of housing recess H1a of stop tab 11c, also can make yoke housing 4 and gear housing 6 locate in the axial direction.
When yoke housing 4 and gear housing 6 are positioned while linking, outer cap 12 is embedded in the medial surface of the opposed peristome H2 of enclosing cover, thereby the opposed peristome H2 of enclosing cover is sealed by outer cap 12.Be formed with a pair of through hole 69 at the inner bottom part of the opposed peristome H2 of enclosing cover.When yoke housing 4 and gear housing 6 are positioned while linking, be arranged on the 1st T1a of contact terminal portion of the 1st terminal T1 on brush carrier 5 and the 2nd T2a of contact terminal portion of the 2nd terminal T2 is projected in the insert port 60a of connector portion 60 of tubular by described a pair of through hole 69 respectively.Thus, the 1st T1a of contact terminal portion and the 2nd T2a of contact terminal portion are configured in described connector portion.The 1st T1a of contact terminal portion being projected in insert port 60a is connected with power supply by cloudy type attaching plug with the 2nd T2a of contact terminal portion, is applied in the electric power for drive motor main body 2.
On the inner bottom part of the opposed peristome H2 of enclosing cover, be formed with a pair of anticreep projection 70 (anticreep parts), a pair of anticreep projection 70 is outstanding from the two sides of the opposed peristome H2 of enclosing cover respectively.In the time that outer cap 12 is entrenched in the opposed peristome H2 of enclosing cover, a pair of anticreep projection 70 respectively with the 1st terminal T1 the 1st tabular in the middle of the wiring T1c of portion the face of spending in a narrow margin, the face linking by wide cut degree face S1a, S1b and the 2nd terminal T2 the 2nd tabular in the middle of the wiring T2c of portion the face of spending in a narrow margin, the face that links by wide cut degree face S2a, S2b, relative with opposed of gear housing 6.Anticreep projection 70 has such function, the 1st terminal T1 and the 2nd terminal T2 are supported, make in the time unloading gear housing 6 (decelerator 3) from yoke housing 4 (motor body 2), the 1st terminal T1 and the 2nd terminal T2 can not remain on gear housing 6.That is to say, anticreep projection 70 comes off and engages with the 1st tabular middle wiring T1c of portion and the 2nd tabular middle wiring T2c of portion respectively from brush carrier 5 in order to suppress the 1st tabular middle wiring T1c of portion and the 2nd tabular middle wiring T2c of portion.In addition, anticreep projection 70 also plays following support functions,,, in the time pulling up cloudy type attaching plug from the insert port 60a of connector portion 60, avoid causing because of extracting of cloudy type attaching plug the 1st terminal T1 and the 2nd terminal T2 to move distance more than necessity towards gear housing 6.
On the peripheral part of the peristome 6a of gear housing 6, be formed with the step surface caving in a little with respect to the front opening face 61 of peristome 6a.On this step surface, with the opposed position of bolt insertion hole 71 being formed on the flange 4b of yoke housing 4 on be formed with screw hole 72.
Then, the method that links gear housing 6 on yoke housing 4 is described.
For the 1st terminal T1, make the 1st terminal T1 the 1st tabular in the middle of when the wide cut degree face S 1a of the wiring T1c of portion and the medial surface 11e of the 1st chimeric wall 11b and the medial surface 12e butt of the 2nd chimeric wall 12b, the 1st T1b of lead-out wire portion is inserted in the 1st through hole 20 being formed on the 1st base plate 11a, the 1st T1a of contact terminal portion is configured in the space being surrounded by the chimeric wall 40 in outside, the chimeric wall 42 of partition wall 41 and inner side.
Thus, two wide cut degree face S1a, the S1b of the 1st tabular middle wiring T1c of portion are clamped and fixed between the 1st holding piece the 21, the 2nd holding piece the 22, the 3rd holding piece 23 and the 1st chimeric wall 11b and the 2nd chimeric wall 12b, complete the 1st installation of terminal T1 on brush carrier 5.
For the 2nd terminal T2, make the 2nd terminal T2 the 2nd tabular in the middle of when the wide cut degree face S2a of the wiring T2c of portion and the medial surface 11e of the 1st chimeric wall 11b and the medial surface 12e butt of the 2nd chimeric wall 12b, the 2nd T2b of lead-out wire portion is inserted in the 2nd through hole 30 being formed on the 1st base plate 11a, the 2nd T2a of contact terminal portion is configured in the space being surrounded by the chimeric wall 40 in outside, the chimeric wall 42 of partition wall 41 and inner side.
Thereby two wide cut degree face S2a, the S2b of the 2nd tabular middle wiring T2c of portion are clamped and fixed between the 4th holding piece the 31, the 5th holding piece 32 and the 2nd chimeric wall 12b, complete the 2nd installation of terminal T2 on brush carrier 5.
Then, the brush carrier 5 that the 1st terminal T1 and the 2nd terminal T2 are installed is assembled in not with the rotor 7 of the chimeric state of yoke housing 4 on.
Now, passed through in the dead eye that is inserted into brush carrier 5 being fixedly installed in the bearing 9b installing on the front end of the rotating shaft 8 on rotor 7.Then, be arranged at the 1st base plate 11a with the opposed side 11d of yoke housing 4 on brush incorporating section 15 in receive respectively the 1st brush B1 and the 2nd brush B2, make the 1st brush B1 and the 2nd brush B2 respectively with the commutator segment SG butt of commutator 7a.Then, by the 1st T1b of lead-out wire portion of the 1st terminal T1 and the exit PT1 of the 1st brush B1 electrical connection that are applied in the 1st through hole 20 of the 1st base plate 11a.Similarly, by the 2nd T2b of lead-out wire portion of the 2nd terminal T2 and the exit PT2 of the 2nd brush B2 electrical connection that are applied in the 2nd through hole 30 of the 1st base plate 11a.
The rotor 7 that brush carrier 5 is installed is accommodated in yoke housing 4 by peristome 4a, and in yoke housing 4, has been accommodated with magnetite MG.Now, be supported on the inner bottom part that is fixed on yoke housing 4 being fixedly installed in the bearing 9a installing on the cardinal extremity of the rotating shaft 8 on rotor 7.The peristome 4a of yoke housing 4 is sealed by brush carrier 5.Like this, form motor body 2.
Then,, for by integrated to motor body 2 and decelerator 3 and make the brush motor 1 with decelerator, yoke housing 4 and gear housing 6 are linked.
Now, so that a pair of locator protrusions 68 being formed on the inner bottom surface of the opposed peristome H1 of the inner cap of gear housing 6 is embedded into the mode in the embedded hole 14a that is formed at a pair of backstay 14 on brush carrier 5, the outer cap of brush carrier 5 12 is fitted in the opposed peristome H2 of enclosing cover.Be arranged on the 1st T1a of contact terminal portion of the 1st terminal T1 on brush carrier 5 and the 2nd T2a of contact terminal portion of the 2nd terminal T2 is inserted through in through hole 69, be projected in the insert port 60a of connector portion 60.Completing place is aimed at like this.Adopt bolt B by fastening to yoke housing 4 and gear housing 6, thereby complete the brush motor with decelerator 1 that grips brush carrier 5 between yoke housing 4 and gear housing 6.
Then, record the advantage of the execution mode that adopts aforesaid way formation below.
(1) according to above-mentioned execution mode, in the time that the 1st terminal T1 and the 2nd terminal T2 are installed on brush carrier 5, longitudinally configure respectively the 1st tabular in the middle of the wiring T1c of portion and the 2nd tabular in the middle of the wiring T2c of portion.That is to say, the wide cut degree face S2a of the wide cut degree face S1a of the wiring T1c of portion and the 2nd tabular middle wiring T2c of portion in the middle of tabular by the 1st, with with the state of the medial surface 11e of the 1st chimeric wall 11b and the medial surface 12e butt of the 2nd chimeric wall 12b, be inserted between the medial surface 11e of the 1st chimeric wall 11b and the medial surface 12e of the 2nd chimeric wall 12b and the 1st～5th holding piece 21～23,31,32.Therefore, the 1st terminal T1 and the 2nd terminal T2 can be installed on brush carrier 5 simply.
In addition, due to the 1st tabular in the middle of the wiring T1c of portion and the 2nd tabular in the middle of the wiring T2c of portion be clamped and fixed between the medial surface 12e and the 1st～5th holding piece 21～23,31,32 of medial surface 11e, the 2nd chimeric wall 12b of the 1st chimeric wall 11b, be fixed on brush carrier 5 and can not shake so the 1st terminal T1 and the 2nd terminal T2 can be supported.
And the 1st terminal T1 and the 2nd terminal T2 have with brush carrier 5 and separate and form and be installed to the structure on brush carrier 5.Therefore, be integrally formed the 1st terminal T1 and the 2nd terminal T2 without the insert-molding of the mould by needs high level technology and great number on brush carrier 5, than this situation, without high-level technology, simply qurer is manufactured brush motor.
(2), according to above-mentioned execution mode, clamp the 1st tabular middle wiring T1c of portion and the 2nd tabular middle wiring T2c of portion by the 1st～5th holding piece 21～23,31,32.Therefore, and form groove in the brush carrier of solid, in this groove, insert the 1st tabular in the middle of the wiring T1c of portion tabular with the 2nd in the middle of the structure of the wiring T2c of portion compare, can reduce the synthetic resin material using in parts are shaped, can reduce the cost of brush carrier.
(3) according to above-mentioned execution mode, owing to longitudinally configuring the 1st tabular middle wiring T1c of portion of the 1st terminal T1 and the 2nd tabular middle wiring T2c of portion of the 2nd terminal T2, the wide cut degree face S1b of the 1st tabular middle wiring T1c of portion and the wide cut degree face S2b of the 2nd tabular middle wiring T2c of portion are put toward each other, so when axially watching, the area that the 1st terminal T1 and the 2nd terminal T2 occupy is the area of the face of spending in a narrow margin of the 1st tabular middle wiring T1c of portion and the face of spending in a narrow margin of the 2nd tabular middle wiring T2c of portion, can reduce the space for the 1st terminal T1 and the 2nd terminal T2 are installed.
And, due to configure along the longitudinal respectively the 1st terminal T1 the 1st tabular in the middle of the wiring T1c of portion and the 2nd terminal T2 the 2nd tabular in the middle of the wiring T2c of portion, so can guarantee that the intensity of the 1st terminal T1 and the 2nd terminal T2 fully resists due to the plug of attaching plug the power that the 1st terminal T1 and the 2nd terminal T2 are applied.
(4), according to above-mentioned execution mode, on the inner bottom part of the opposed peristome H2 of enclosing cover, form anticreep projection 70.Therefore, can stop because causing the 1st terminal T1 and the 2nd terminal T2 to move towards gear housing 6 in the power being applied in the time that the insert port 60a of connector portion 60 extracts cloudy type attaching plug the 1st terminal T1 and the 2nd terminal T2.
In addition, in the time that cloudy type attaching plug is inserted into the insert port 60a of connector portion 60, in the middle of the power the 1st terminal T1 and the 2nd terminal T2 being applied due to insertion is tabular by the 1st the wiring T1c of portion and the 2nd tabular in the middle of the face of spending in a narrow margin of the wiring T2c of portion accepted by the 2nd base plate 12a of outer cap 12 (the flange 4b of yoke housing 4).Therefore,, in the time inserting attaching plug, can stop the 1st terminal T1 and the 2nd terminal T2 to move towards yoke housing 4.
In addition, above-mentioned execution mode also can change to following form.
In the above-described embodiment, tabular using being formed as the 1st～5th holding piece 21～23,31,32 of hold assembly, but be not limited to this, also can be formed as quadrangular prism, triangular prism or cylinder.Thus, the synthetic resin material using can reduce shaping brush carrier 5 time.
In the above-described embodiment, being formed on the 1st chimeric wall 11b as the chimeric wall of yoke side of periphery of the 1st base plate 11a and the 2nd chimeric wall 12b as the chimeric wall of gear side that is formed on the periphery of the 2nd base plate 12a is respectively continuous in a circumferential direction wall.Be alternative in this, the 1st chimeric wall 11b and the 2nd chimeric wall 12b can be also the discontinuous walls across predetermined interval in a circumferential direction with the slit forming vertically.
In the above-described embodiment, the 1st tabular middle wiring T1c of portion of the 1st terminal T1 is by the 1st～3rd holding piece 21～23 clampings, and the 2nd tabular middle wiring T2c of portion of the 2nd terminal T2 is clamped by the 4th holding piece the 31, the 5th holding piece 32.Be alternative in this, also can adopt such structure, that is, the 1st tabular middle wiring T1c of portion is by any one clamping in the 1st～3rd holding piece 21～23, and the 2nd tabular middle wiring T2c of portion is by any one clamping in the 4th holding piece 31 and the 5th holding piece 32.
Certainly, the 1st of the 1st terminal T1 the tabular in the middle of the wiring T1c of portion also can be by by any one omission in the 1st～3rd holding piece 21～23 and 2 remaining holding pieces clamp.
In the above-described embodiment, on the inner bottom part of the opposed peristome H2 of enclosing cover, in relative with the face of spending in a narrow margin of the 1st tabular middle wiring T1c of portion and the 2nd tabular middle wiring T2c of portion respectively mode, form the anticreep projection 70 as anticreep parts.Be alternative in this, anticreep projection 70 also can be formed as, in the time that yoke housing 4 and gear housing 6 are linked, in the middle of anticreep projection 70 is tabular with the 1st respectively the wiring T1c of portion and the 2nd tabular in the middle of the face of the degree in a narrow margin butt of the wiring T2c of portion.
In the above-described embodiment, brush motor 1 with decelerator is the wiper drive motor using as the drive source of windshield wiper device mounted on a vehicle, however also can be applied in the motor for EPS that uses in driven steering device (EPS), other motor mounted on a vehicle such as motor, wiper drive motor for power windows.Certainly, also can be applied to the motor using as the drive source of device, machinery etc. for beyond vehicle.
Claims (6)
1. the brush motor with decelerator, possesses yoke housing, gear housing and the brush carrier by opposed facing two opening port blockings of two housings, wherein,
In described yoke housing, dispose commutator, this commutator has commutator segment, described brush carrier pair keeps with the brush that described commutator segment slips, and disposes the terminal for supply with electric current to described brush from being arranged on connector portion described gear housing on described brush carrier
Described brush carrier is clamped by described yoke housing and described gear housing, and described brush carrier has the chimeric wall of yoke side in the peristome that is entrenched in described yoke housing and is entrenched in the chimeric wall of gear side in the peristome of described gear housing,
Described terminal has the contact terminal portion that is configured in described connector portion, run through described brush carrier and and the lead-out wire portion of described brush electrical connection and the tabular middle wiring portion of extending between described contact terminal portion and described lead-out wire portion,
In the middle of described, wiring portion has a pair of wide cut degree face, described in the middle of under the state of medial surface butt of the chimeric wall of at least described gear side of wiring portion among a wide cut degree face and described gear side and the chimeric wall of yoke side along this medial surface extension,
Described brush carrier with the chimeric wall of described gear side and the chimeric wall of yoke side among the opposed position of medial surface of the chimeric wall of at least described gear side on there is hold assembly, this hold assembly and described medial surface coordinate to clamp described in the middle of wiring portion.
2. the brush motor with decelerator according to claim 1,
In the middle of described, wiring portion has a pair of face of spending in a narrow margin connected to each other described a pair of wide cut degree face,
Described gear housing has the anticreep parts that can engage with middle wiring portion, with suppress described in the middle of wiring portion come off from described brush carrier.
3. the brush motor with decelerator according to claim 1,
Described connector portion has insert port, and described gear housing has the through hole of inserting described contact terminal portion, described contact terminal portion through through hole to outstanding in described insert port.
4. the brush motor with decelerator according to claim 1,
In the middle of described, wiring portion has a pair of face of spending in a narrow margin connected to one another described a pair of wide cut degree face,
The peristome of described gear housing comprises the side opening portion of corresponding with described connector portion locational connector portion that is positioned at, the inner bottom part of this side opening portion of connector portion be provided with can with described in the middle of the anticreep parts that engage of the face of degree in a narrow margin of wiring portion.
5. the brush motor with decelerator according to claim 1,
Described terminal comprises the 1st terminal and the 2nd terminal, and the mode that described the 1st terminal and the 2nd terminal are put toward each other with the wide cut degree face of wiring portion in the middle of it configures.
6. according to the brush motor with decelerator described in claim 1,2,4 or 5 any one,
Described connector portion possesses insert port, the peristome of described gear housing comprises the side opening portion of corresponding with described connector portion locational connector portion that is positioned at, inner bottom part in this side opening portion of connector portion is formed with through hole, described contact terminal portion through this through hole to outstanding in described insert port.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010-291611 | 2010-12-28 | ||
| JP2010291611A JP5759719B2 (en) | 2010-12-28 | 2010-12-28 | Brush motor with reduction gear |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102545484A CN102545484A (en) | 2012-07-04 |
| CN102545484B true CN102545484B (en) | 2014-10-15 |
Family
ID=46351646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110462706.6A Active CN102545484B (en) | 2010-12-28 | 2011-12-26 | Brush type motor having reducer |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP5759719B2 (en) |
| KR (1) | KR20120075391A (en) |
| CN (1) | CN102545484B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106849488A (en) * | 2015-10-26 | 2017-06-13 | Lg伊诺特有限公司 | Closure and the actuator with the closure |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6082680B2 (en) * | 2013-09-18 | 2017-02-15 | アスモ株式会社 | motor |
| JP5959499B2 (en) | 2013-12-27 | 2016-08-02 | マブチモーター株式会社 | motor |
| CN105337439B (en) * | 2014-06-09 | 2019-03-15 | 德昌电机(深圳)有限公司 | Driving device and its motor |
| JP6306947B2 (en) * | 2014-06-10 | 2018-04-04 | マブチモーター株式会社 | Gear box, motor with reduction gear, and manufacturing method of gear box |
| JP6536136B2 (en) * | 2015-04-02 | 2019-07-03 | 株式会社デンソー | motor |
| KR102580680B1 (en) * | 2016-06-07 | 2023-09-21 | 엘지이노텍 주식회사 | Sealing cover and actuator having the same |
| JP6720884B2 (en) * | 2017-01-25 | 2020-07-08 | 株式会社アドヴィックス | Motor unit for electric brake |
| JP2019115153A (en) * | 2017-12-22 | 2019-07-11 | 日本電産サンキョー株式会社 | motor |
| JP6957360B2 (en) | 2018-01-05 | 2021-11-02 | 株式会社ミツバ | Motor device and its manufacturing method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1138236A (en) * | 1995-03-28 | 1996-12-18 | 株式会社三叶电机制作所 | Structure of terminal connection in electric motor with speed reducer |
| CN1661885A (en) * | 2004-02-24 | 2005-08-31 | 阿斯莫株式会社 | Motor, control circuit component, and method of manufacturing motor |
| CN1741351A (en) * | 2004-08-24 | 2006-03-01 | 阿斯莫株式会社 | Motor apparatus having rotational position detector |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10225048A (en) * | 1997-01-31 | 1998-08-21 | Mabuchi Motor Co Ltd | Small motor with speed reducer |
| US6710484B2 (en) * | 2001-05-28 | 2004-03-23 | Asmo Co., Ltd. | Motor having electronic control unit and method for manufacturing the same |
| JP4499458B2 (en) * | 2004-03-26 | 2010-07-07 | 株式会社ショーワ | Manufacturing method of electric motor |
| JP5118548B2 (en) * | 2007-05-14 | 2013-01-16 | アスモ株式会社 | motor |
| JP5188885B2 (en) * | 2007-06-28 | 2013-04-24 | 株式会社ミツバ | Motor equipment |
| JP5185676B2 (en) * | 2008-03-28 | 2013-04-17 | アスモ株式会社 | Brush holder and method for manufacturing brush holder |
-
2010
- 2010-12-28 JP JP2010291611A patent/JP5759719B2/en active Active
-
2011
- 2011-12-26 CN CN201110462706.6A patent/CN102545484B/en active Active
- 2011-12-26 KR KR1020110142173A patent/KR20120075391A/en not_active Ceased
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1138236A (en) * | 1995-03-28 | 1996-12-18 | 株式会社三叶电机制作所 | Structure of terminal connection in electric motor with speed reducer |
| CN1661885A (en) * | 2004-02-24 | 2005-08-31 | 阿斯莫株式会社 | Motor, control circuit component, and method of manufacturing motor |
| CN1741351A (en) * | 2004-08-24 | 2006-03-01 | 阿斯莫株式会社 | Motor apparatus having rotational position detector |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2009-33956A 2009.02.12 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106849488A (en) * | 2015-10-26 | 2017-06-13 | Lg伊诺特有限公司 | Closure and the actuator with the closure |
| CN106849488B (en) * | 2015-10-26 | 2020-06-26 | Lg伊诺特有限公司 | Sealing cover and actuator with same |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20120075391A (en) | 2012-07-06 |
| JP2012139079A (en) | 2012-07-19 |
| CN102545484A (en) | 2012-07-04 |
| JP5759719B2 (en) | 2015-08-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102545484B (en) | Brush type motor having reducer | |
| EP3337015B1 (en) | Motor and brake device including same | |
| CN102996435B (en) | Electric oil pump | |
| JP5386958B2 (en) | motor | |
| US10312773B2 (en) | Motor apparatus | |
| CN203387367U (en) | External rotor type motor | |
| CN104380582B (en) | For installing method and the structure of the sensor base plate of brushless electric machine | |
| CN204391959U (en) | A kind of permanent magnet motor structure | |
| US20190032657A1 (en) | Electric oil pump | |
| CN111845190A (en) | Rim cover assembly with waterproof structure and in-wheel motor with rim cover assembly | |
| US20200235630A1 (en) | Circuit board assembly and electric oil pump provided with same | |
| KR101535625B1 (en) | Motor | |
| CN208564960U (en) | Electric oil pump | |
| CN111052556B (en) | Electric motor | |
| US20060163955A1 (en) | Flat hollow brushless servo motor with tool mounting hole | |
| JP2010068562A (en) | Motor-driven actuator | |
| CN104300707A (en) | Installation structure of motor magnetic ring and motor | |
| CN106849488B (en) | Sealing cover and actuator with same | |
| WO2019208076A1 (en) | Motor unit and electric oil pump | |
| CN208950856U (en) | Electric oil pump | |
| US20170201144A1 (en) | Brushless motor | |
| KR101965010B1 (en) | Motor and method for manufacturing motor | |
| JP2010142053A (en) | Brushless motor | |
| JP2019050710A (en) | motor | |
| JP2008148451A (en) | Electric motor and method of assembling same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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 | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180921 Address after: Aichi Patentee after: Denso Co., Ltd. Address before: Mei Tian Kosai Shizuoka Prefecture in 390 times Patentee before: ASMO Co., Ltd. |