CN201034127Y - Drum lock assembly for electric vehicle front-wheel - Google Patents
Drum lock assembly for electric vehicle front-wheel Download PDFInfo
- Publication number
- CN201034127Y CN201034127Y CNU2007200392713U CN200720039271U CN201034127Y CN 201034127 Y CN201034127 Y CN 201034127Y CN U2007200392713 U CNU2007200392713 U CN U2007200392713U CN 200720039271 U CN200720039271 U CN 200720039271U CN 201034127 Y CN201034127 Y CN 201034127Y
- Authority
- CN
- China
- Prior art keywords
- camshaft
- drum brake
- electric motor
- motor car
- combined member
- 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.)
- Expired - Fee Related
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Abstract
The utility model provides a drum brake composite for the electric vehicle front wheel, which relates to a drum brake composite composed of single parts arranged on the electric vehicle front wheel. The utility model is characterized in that a hoof block (9) is arranged on a fixed plate (1) and a case (2) by a camshaft (4), a cam sleeve (5), a tension spring (10) and a stand (12); a rocker arm (3) is arranged on the shaft journal of the upper end of the camshaft (4) by a hexagon screw (13) and a hexagon nut (14); a central shaft sleeve (11) is perforated in the central shaft sleeve hole of the fixed plate (1) and the case (2); a washer (7) and a torsion spring (8) are padded between the cam sleeve (5) and the rocker arm (3); the riveting height of the cam sleeve (5) is increased by the cam sleeve riveting ring (6). The drum brake composite (15) has the advantages of reducing production cost, increasing mechanical strength and prolonging the service life.
Description
Technical field:
The utility model electric motor car front-wheel relates to the bulging brake combined member of installing that is assembled by single component on the electric motor car front-wheel with the drum brake combined member.
Background technique:
Electric motor car front-wheel in the past is that the hoof piece group that adopts aluminum alloy to be made into is installed the bulging lock that forms with the drum lock, its shortcoming is that intensity is low, the fabricating cost height, thus should adopt new material to be designed to single component, and then be assembled into the bulging brake combined member that the electric motor car front-wheel is used.
Summary of the invention:
The purpose of this utility model provides a kind of electric motor car front-wheel with rousing brake combined member, hoof piece group is connected on housing and the fixed plate by camshaft and pillar installation, and by screw rod, nut rocking arm is installed at the cam shaft neck, the terminal of then stopping in the steel cable pulling rocking arm makes cam rotation, shoe plate opens, and makes bulging lock realize the skidding function by friction plate.
A kind of electric motor car front-wheel is with rousing brake combined member, drum brake combined member (15) is made up of fixed plate (1), housing (2), rocking arm (3), camshaft (4), cam cover (5), hoof block assembly (9), extension spring (10), Intermediate shaft sleeve (11), pillar (12), it is characterized in that hoof block assembly (9) is connected on fixed plate (1) and the housing (2) by camshaft (4), cam cover (5), extension spring (10), pillar (12) installation; Rocking arm (3) is installed in axle journal place, camshaft (4) upper end by hexagonal screw rod (13) and hexagon nut (14); In the axis trepanning of fixed plate (1) and housing (2), be coated with Intermediate shaft sleeve (11).
The utility model electric motor car front-wheel is made up of some discrete component with the drum brake combined member, promptly rousing brake combined member is made up of fixed plate, housing, rocking arm, camshaft, cam cover, cam cover riveted circle, packing ring, torsion spring, hoof block assembly, extension spring, Intermediate shaft sleeve, pillar, screw rod and nut, left shoe plate in the hoof block assembly and right shoe plate link together by two extension springs, and the cam of camshaft bottom is between the contact pin of the contact pin of left shoe plate and right shoe plate; The pillar bottom is between the empiecement of the empiecement of left shoe plate and right shoe plate; The camshaft middle part is set with the cam cover, adopts cam cover riveted circle to increase cam cover riveted height; Be lined with packing ring and button spring between cam cover and rocking arm, cam cover middle part is riveted in the cam cover riveted holes of fixed plate and housing, and the camshaft hole of rocking arm is passed on camshaft top; Pillar top is riveted in the pillar riveted holes of the pillar riveted holes of fixed plate and housing;
Riveted joint has Intermediate shaft sleeve in the axis trepanning of fixed plate and in the axis trepanning of housing, and electric motor car front-wheel axis can be installed in Intermediate shaft sleeve.
Camshaft inner shafts neck portion at the camshaft hole of rocking arm is coated with screw rod, so that by screw rod camshaft and rocking arm are linked together; Nut is installed on screw rod, is used for tightening up the notch on the rocking arm, rocking arm and camshaft are linked into an integrated entity.
The fixed plate in the utility model and the structure of housing have been applied for utility model patent, so just do not elaborate about their structure and shape.
Above-mentioned just constituted this electric motor car front-wheel with the drum brake combined member.
This electric motor car front-wheel with the advantage of drum brake combined member is: adopt discrete iron piece can reduce fabricating cost, increase mechanical strength, improve working life.
Description of drawings:
Fig. 1: for this electric motor car front-wheel is looked schematic representation with drum brake combined member (15) master.
Fig. 2: for this electric motor car front-wheel is looked schematic representation with drum brake combined member (a 15) left side.
Fig. 3: be this electric motor car front-wheel drum brake combined member (15) schematic rear view.
Fig. 4: be this electric motor car front-wheel drum brake combined member (15) direction of arrow cross-sectional schematic in Fig. 1.
Fig. 5: be this electric motor car front-wheel drum brake combined member (15) schematic three dimensional views.
Embodiment:
Referring to Fig. 1 to Fig. 5, among each figure: (1) is fixed plate, and (2) are housing, (3) be rocking arm, (4) are camshaft, and (5) are the cam cover, (6) be cam cover riveted circle, (7) are packing ring, and (8) are torsion spring, (9) be the hoof block assembly, (10) be extension spring, (11) are Intermediate shaft sleeve, and (12) are pillar, (13) be the hexagonal screw rod, (14) are hexagon nut.
As shown in Figure 3, left shoe plate in the hoof block assembly (9) and right shoe plate link together by two extension springs (10), and the cam of camshaft (4) bottom is between the contact pin of the contact pin of the left shoe plate of hoof block assembly (9) and right shoe plate, and the cam of camshaft (4) is an oval shape; Pillar (12) bottom is positioned between the empiecement of the empiecement of left shoe plate of hoof block assembly (9) and right shoe plate; As shown in Figure 4, camshaft (4) middle part is set with cam cover (5), adopts cam cover riveted circle (6), to increase cam cover riveted height; Between cam cover (5) and rocking arm (3), be lined with packing ring (7) and torsion spring (8); Cam cover (5) middle part is riveted in the cam cover riveted holes of fixed plate (1) and housing (2), and fixed plate (1) and housing (2) are riveted together; Camshaft (4) top is installed in the camshaft hole of rocking arm as shown in Figure 5, and pillar (12) top is riveted in the pillar riveted holes of the pillar riveted holes of fixed plate (1) and housing (2), and fixed plate (1) and housing (2) are riveted together.
Riveted joint has Intermediate shaft sleeve (11) in the axis trepanning of the axis trepanning of fixed plate (1) and housing (2), and fixed plate (1) and housing (2) are riveted together at the middle part, and electric motor car front-wheel axis can be installed in Intermediate shaft sleeve (11).
Referring to Fig. 5, camshaft inner shafts neck portion in the camshaft hole of rocking arm (3), be coated with hexagonal screw rod (13), by hexagonal screw rod (13) camshaft (4) and rocking arm (3) are linked together, hexagon nut (14) is installed on hexagonal screw rod (13), the notch on the rocking arm (3) is tightened up.
Claims (8)
1. an electric motor car front-wheel is with rousing brake combined member, drum brake combined member (15) is made up of fixed plate (1), housing (2), rocking arm (3), camshaft (4), cam cover (5), hoof block assembly (9), extension spring (10), Intermediate shaft sleeve (11), pillar (12), it is characterized in that hoof block assembly (9) is connected on fixed plate (1) and the housing (2) by camshaft (4), cam cover (5), extension spring (10), pillar (12) installation; Rocking arm (3) is installed in axle journal place, camshaft (4) upper end by hexagonal screw rod (13) and hexagon nut (14); In the axis trepanning of fixed plate (1) and housing (2), be coated with Intermediate shaft sleeve (11).
2. a kind of electric motor car front-wheel according to claim 1 is characterized in that with the drum brake combined member left shoe plate and the right shoe plate in the hoof block assembly (9) links together by two extension springs (10).
3. a kind of electric motor car front-wheel according to claim 1 is with the drum brake combined member, and the cam that it is characterized in that camshaft (4) bottom is between the contact pin of the contact pin of the left shoe plate of hoof block assembly (9) and right shoe plate, and the cam of camshaft (4) is an oval shape.
4. a kind of electric motor car front-wheel according to claim 1 is with the drum brake combined member, it is characterized in that pillar (12) bottom is positioned between the empiecement of the empiecement of left shoe plate of hoof block assembly (9) and right shoe plate.
5. a kind of electric motor car front-wheel according to claim 1 is characterized in that being lined with packing ring (7) and torsion spring (8) with the drum brake combined member between cam cover (5) and rocking arm (3).
6. a kind of electric motor car front-wheel according to claim 1 is characterized in that with the drum brake combined member cam cover (5) middle part is riveted in the cam cover riveted holes of fixed plate (1) and housing (2).
7. a kind of electric motor car front-wheel according to claim 1 is characterized in that with the drum brake combined member camshaft (4) top is installed in the camshaft hole of rocking arm; At camshaft inner shafts neck, be coated with hexagonal screw rod (13), hexagon nut (14) is installed on hexagonal screw rod (13).
8. a kind of electric motor car front-wheel according to claim 1 is characterized in that with the drum brake combined member riveted joint has Intermediate shaft sleeve (11) in the axis trepanning of fixed plate (1) and housing (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200392713U CN201034127Y (en) | 2007-05-30 | 2007-05-30 | Drum lock assembly for electric vehicle front-wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200392713U CN201034127Y (en) | 2007-05-30 | 2007-05-30 | Drum lock assembly for electric vehicle front-wheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201034127Y true CN201034127Y (en) | 2008-03-12 |
Family
ID=39195018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200392713U Expired - Fee Related CN201034127Y (en) | 2007-05-30 | 2007-05-30 | Drum lock assembly for electric vehicle front-wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201034127Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106090226A (en) * | 2016-08-12 | 2016-11-09 | 上海百顺交通器材有限公司 | A kind of dust guard of hub-brake for electric vehicle eccentric cam |
| CN108825680A (en) * | 2018-08-09 | 2018-11-16 | 郭千华 | A kind of drum brake |
-
2007
- 2007-05-30 CN CNU2007200392713U patent/CN201034127Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106090226A (en) * | 2016-08-12 | 2016-11-09 | 上海百顺交通器材有限公司 | A kind of dust guard of hub-brake for electric vehicle eccentric cam |
| CN108825680A (en) * | 2018-08-09 | 2018-11-16 | 郭千华 | A kind of drum brake |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080312 |