CN217607686U - Brush direct current motor for automobile ABS - Google Patents
Brush direct current motor for automobile ABS Download PDFInfo
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- CN217607686U CN217607686U CN202221332685.6U CN202221332685U CN217607686U CN 217607686 U CN217607686 U CN 217607686U CN 202221332685 U CN202221332685 U CN 202221332685U CN 217607686 U CN217607686 U CN 217607686U
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Abstract
The utility model relates to a brush direct current motor for an automobile ABS, which comprises a shell, a stator component and a rotor component; the shell comprises a shell and a brush cover, wherein a cylindrical accommodating cavity with one side opened is formed in the shell, the brush cover is arranged at the opening of the shell, and a through hole is formed in the middle of the brush cover; the stator assembly comprises a retainer, electric brushes and a plurality of magnetic shoes, the magnetic shoes are distributed in the accommodating cavity in a surrounding manner, the retainer is fixedly arranged in the accommodating cavity, and the electric brushes are arranged on two opposite sides in the accommodating cavity; the rotor subassembly includes pivot, iron core, armature winding and commutator, and the rotatable installation in rotor rotating passage of pivot, the pivot outside is located to the iron core cover, and armature winding installs on the iron core, and the commutator is installed in the pivot and is connected with the brush electricity, and the pivot stretches out from the through-hole, and its assembly is simple, and through mechanical structure's fixed magnetic shoe, it is stable to connect, has effectively guaranteed the stable installation of magnetic shoe.
Description
Technical Field
The utility model relates to a spare part structural design technical field for the car, concretely relates to car ABS is with having brush direct current motor.
Background
The brush DC motor is a DC motor, the stator of the brush motor is installed with fixed main magnetic pole and brush, the rotor is installed with armature winding and commutator. Electric energy of a direct current power supply enters the armature winding through the electric brush and the commutator to generate armature current, and a magnetic field generated by the armature current interacts with the main magnetic field to generate electromagnetic torque, so that the motor rotates to drive a load.
On the market at present, have its stator of brush direct current motor to adopt the magnetic shoe form, the magnetic shoe structure generally is the tile slice, owing to need ensure the stator in the inside stability of motor, generally paste the magnetic shoe at motor housing inner wall with gluing among the prior art, but in the actual production assembling process, the rubber coating volume is not controlled well, glues to remove later need the fixed certain time of frock, has certain latency, stability is not enough, the magnetic shoe has the risk that drops.
SUMMERY OF THE UTILITY MODEL
Based on the above expression, the utility model provides a car ABS is with having brush direct current motor to solve among the prior art magnetic shoe assembly process complicacy, fixed unstable technical problem.
The utility model provides an above-mentioned technical problem's technical scheme as follows:
a brush direct current motor for an automobile ABS comprises a shell, a stator assembly and a rotor assembly;
the shell comprises a shell and a brush cover, a cylindrical accommodating cavity with an opening at one side is formed in the shell, the brush cover is arranged at the opening of the shell, and a through hole is formed in the middle of the brush cover;
the stator assembly comprises a retainer, electric brushes and a plurality of magnetic shoes, the magnetic shoes are distributed in the accommodating cavity in a surrounding manner, the retainer is fixedly arranged in the accommodating cavity and used for fixing the magnetic shoes at the position, close to the outer side, of the accommodating cavity, so that the middle parts of the magnetic shoes form a rotor rotating channel, and the electric brushes are arranged on two opposite sides in the accommodating cavity;
the rotor subassembly includes pivot, iron core, armature winding and commutator, the rotatable installing of pivot in the rotor revolution path, the iron core cover is located the pivot outside, armature winding install in on the iron core, the commutator install in the pivot with the brush electricity is connected, the pivot is followed the through-hole stretches out.
Compared with the prior art, the technical scheme of the application has the following beneficial technical effects:
the application provides a pair of car ABS is with having brush direct current motor fixes the magnetic shoe in the position that is close to the holding chamber outside through the holder, and its assembly is simple, and through mechanical structure's fixed magnetic shoe, it is stable to connect, has effectively guaranteed the stable installation of magnetic shoe.
On the basis of the technical scheme, the utility model discloses can also do following improvement.
Further, the holder includes the support body, the support body is the hollow circular cylinder structure, be formed with on the lateral wall of support body with the mounting hole groove of magnetic shoe looks adaptation.
Further, the support body is including the retaining ring that is located both ends and the pillar of connecting between two retaining rings, two adjacent pillars and both ends enclose between the retaining ring and close and form the mounting hole groove.
Furthermore, the retainer further comprises a limiting part, and the retainer body is in limiting fit with the shell through the limiting part so as to limit the rotation of the retainer body.
Furthermore, the limiting part is a limiting protrusion formed at the end part of the check ring close to one side of the brush cover, and a limiting groove matched with the limiting protrusion is formed on the brush cover.
Furthermore, the stator assembly further comprises an elastic piece, one end of the elastic piece is connected with the brush cover, and the other end of the elastic piece is connected with the electric brush, so that the electric brush is elastically abutted to the commutator.
Further, the brush lid inboard has the brush uide bushing, the brush uide bushing is formed with the guiding hole, the guiding hole is followed the radial setting in holding chamber, the brush is mobilizable install in the guiding hole, the elastic component is the torsional spring, the brush lid inboard is formed with the mounting groove, the erection column has in the mounting groove, turn round the spring cover and locate on the erection column, the one end of torsional spring with the lateral wall butt of mounting groove, the other end is followed the side of brush uide bushing stretches into the guiding hole with the brush is kept away from the one end of commutator is connected.
Drawings
Fig. 1 is a schematic view of an overall structure of a brushed dc motor for an ABS of an automobile according to an embodiment of the present invention;
FIG. 2 is a disassembled schematic view of FIG. 1;
FIG. 3 is a schematic structural view of a stator assembly and a rotor assembly;
FIG. 4 is a schematic structural view of the holder and the magnetic shoe;
FIG. 5 is a schematic view of the hidden end cap of FIG. 1;
FIG. 6 is a schematic view showing a connection structure of an end cap, a brush and an elastic member;
fig. 7 is a schematic structural view of the end cap.
Detailed Description
To facilitate an understanding of the present application, the present application will now be described more fully with reference to the accompanying drawings. Embodiments of the present application are set forth in the accompanying drawings. This application may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.
It is to be understood that spatial relationship terms such as "under" \8230; under "," ' under 8230; \8230; under "\8230;," ' over 8230; over "", "" over "", etc., may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements or features described as "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary terms "at 8230; \8230below" and "at 8230; \8230, below" may include both upper and lower orientations. In addition, the device may also include additional orientations (e.g., rotated 90 degrees or other orientations) and the spatial descriptors used herein interpreted accordingly.
It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or be connected to the other element through intervening elements. The "connection" in the following embodiments is understood as "electrical connection", "communication connection", or the like if the connected circuits, modules, units, or the like have electrical signals or data transmission therebetween.
As used herein, the singular forms "a", "an" and/or "the" may include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises/comprising," "includes" or "including," etc., specify the presence of stated features, integers, steps, operations, components, parts, or combinations thereof, but do not preclude the presence or addition of one or more other features, integers, steps, operations, components, parts, or combinations thereof.
As shown in fig. 1 to 7, the present application provides a brushed dc motor for an ABS of an automobile, which includes a housing 1, a stator assembly 2, and a rotor assembly 3;
the casing 1 comprises a casing 11 and a brush cover 12, wherein the casing 11 is internally provided with a cylindrical accommodating cavity 11a with an opening at one side, the brush cover 12 is arranged at the opening of the casing 11, the middle part of the brush cover 12 is provided with a through hole 12a, the casing 11 and the brush cover 12 form an external shell of the brushed direct current motor, and the through hole 12a in the middle part of the brush cover 12 is output due to power.
Wherein the holder is used for fixing the magnetic shoes which are used for providing the permanent magnetic field, in the embodiment, the number of the magnetic shoes is three, and the electric brush 22 is matched with the commutator to provide the armature electric energy
The rotor assembly 3 comprises an iron core 33, an armature winding 31, a commutator 32 and a rotating shaft 311, the rotating shaft 311 is rotatably arranged in the rotor rotating channel, the iron core 33 is sleeved on the outer side of the rotating shaft 311, the armature winding 31 is arranged on the iron core 33, the commutator 32 is arranged on the rotating shaft 311 and electrically connected with the electric brush 22, and the rotating shaft 311 extends out of the through hole 12 a.
The commutator 32 is used for inputting electric energy, and the electric commutation keeps the output torque of the motor stable, and the brush 22 and the commutator 32 cooperate to provide electric energy.
Specifically, the holder 21 includes a holder body 211 and a limiting member 212, the holder body 211 is a hollow cylindrical structure, and a mounting hole slot 21a adapted to the magnetic shoe 23 is formed on a side wall of the holder body 211; the holder body 211 is in spacing fit with the housing 1 through a limiting member 212 to limit the rotation of the holder body 211.
In this embodiment, the frame body 211 includes two retaining rings 2111 at two ends and three support columns 2112 connected between the two retaining rings 2111, and a mounting hole slot 21a is defined between two adjacent support columns 2111 and the retaining rings 2111 at two ends.
The stopper 212 is a stopper protrusion formed at an end of the retainer ring 2111 near one side of the brush cover 12, and the brush cover 12 is formed with a stopper groove 12b engaged with the stopper protrusion.
In this application, in order to ensure effective contact between the brush 22 and the commutator 32, the stator assembly 2 further includes an elastic member 24, one end of the elastic member 24 is connected to the brush cover 12, and the other end is connected to the brush 22, so that the brush 22 is elastically abutted against the commutator 32.
In some embodiments, the resilient member 24 may be a compression spring having one end connected to the end of the brush 22 remote from the commutator 32 and the other end connected to an end cap.
Preferably, in this embodiment, a brush guide sleeve 121 is disposed inside the brush cover 12, a guide hole 12c is formed in the brush guide sleeve 121, the guide hole 12c is disposed along a radial direction of the accommodating cavity 11a, the brush 22 is movably mounted in the guide hole, the elastic element 24 is a torsion spring, a mounting groove 12d is formed inside the brush cover 12, a mounting post 122 is disposed in the mounting groove 12d, the torsion spring is sleeved on the mounting post 122, one end of the torsion spring abuts against a side wall of the mounting groove 12d, and the other end of the torsion spring extends into the guide hole 12c from a side surface of the brush guide sleeve 121 to be connected with one end of the brush 22 away from the commutator 32, and the brush 22 is stably abutted against the commutator 32.
The application provides a pair of car ABS is with having brush direct current motor fixes the magnetic shoe in the position that is close to the holding chamber outside through the holder, and its assembly is simple, and through mechanical structure's fixed magnetic shoe, it is stable to connect, has effectively guaranteed the stable installation of magnetic shoe, has ensured the stability of motor output.
The above description is only for the preferred embodiment of the present invention, and should not be construed as limiting the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (7)
1. A brush direct current motor for an automobile ABS is characterized by comprising a shell, a stator assembly and a rotor assembly;
the shell comprises a shell and a brush cover, a cylindrical accommodating cavity with one side opened is formed in the shell, the brush cover is arranged at the opening of the shell, and a through hole is formed in the middle of the brush cover;
the stator assembly comprises a retainer, electric brushes and a plurality of magnetic shoes, the magnetic shoes are distributed in the accommodating cavity in a surrounding manner, the retainer is fixedly arranged in the accommodating cavity and used for fixing the magnetic shoes at the position, close to the outer side, of the accommodating cavity, so that the middle parts of the magnetic shoes form a rotor rotating channel, and the electric brushes are arranged on two opposite sides in the accommodating cavity;
the rotor subassembly includes pivot, iron core, armature winding and commutator, the rotatable installing of pivot in the rotor revolution path, the iron core cover is located the pivot outside, armature winding install in on the iron core, the commutator install in the pivot with the brush electricity is connected, the pivot is followed the through-hole stretches out.
2. The brushed direct-current motor for the ABS of the automobile according to claim 1, wherein the holder comprises a holder body, the holder body is of a hollow cylindrical structure, and a mounting hole groove matched with the magnetic shoe is formed in the side wall of the holder body.
3. The brushed direct-current motor for the ABS of the automobile according to claim 2, wherein the frame body comprises retaining rings at two ends and pillars connected between the two retaining rings, and a mounting hole groove is formed by the two adjacent pillars and the retaining rings at the two ends in a surrounding manner.
4. The brushed direct current motor for the ABS of the automobile according to claim 3, wherein the holder further comprises a limiting member, and the holder body is in limiting fit with the housing through the limiting member so as to limit the rotation of the holder body.
5. The brush direct-current motor for the ABS of the automobile according to claim 4, wherein the limiting member is a limiting protrusion formed at an end of the retaining ring near one side of the brush cover, and a limiting groove matched with the limiting protrusion is formed on the brush cover.
6. The brush direct current motor for the ABS of the vehicle according to claim 1, wherein the stator assembly further comprises an elastic member, one end of the elastic member is connected to the brush cover, and the other end is connected to the brush, so that the brush is elastically abutted to the commutator.
7. The automobile ABS is with brushing direct current motor according to claim 6, characterized in that, brush cover inboard has the brush uide bushing, the brush uide bushing is formed with the guiding hole, the guiding hole is followed the radial setting in holding chamber, the brush is mobilizable install in the guiding hole, the elastic component is the torsional spring, brush cover inboard is formed with the mounting groove, the erection column has in the mounting groove, the torsional spring cover is located on the erection column, the one end of torsional spring with the lateral wall butt of mounting groove, the other end is followed the side of brush uide bushing stretches into the guiding hole with the brush is kept away from the one end of commutator is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221332685.6U CN217607686U (en) | 2022-05-26 | 2022-05-26 | Brush direct current motor for automobile ABS |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221332685.6U CN217607686U (en) | 2022-05-26 | 2022-05-26 | Brush direct current motor for automobile ABS |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217607686U true CN217607686U (en) | 2022-10-18 |
Family
ID=83588694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221332685.6U Active CN217607686U (en) | 2022-05-26 | 2022-05-26 | Brush direct current motor for automobile ABS |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217607686U (en) |
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2022
- 2022-05-26 CN CN202221332685.6U patent/CN217607686U/en active Active
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