CN2591326Y - Electromagnetic braker for vehicle - Google Patents
Electromagnetic braker for vehicle Download PDFInfo
- Publication number
- CN2591326Y CN2591326Y CN 02245288 CN02245288U CN2591326Y CN 2591326 Y CN2591326 Y CN 2591326Y CN 02245288 CN02245288 CN 02245288 CN 02245288 U CN02245288 U CN 02245288U CN 2591326 Y CN2591326 Y CN 2591326Y
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- CN
- China
- Prior art keywords
- hoof
- neck
- regulating
- brake
- automobile electromagnetic
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- 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.)
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Abstract
The utility model relates to an electromagnetic brake for a vehicle, which uses electromagnetic braking. The utility model comprises a leading shoe and a trailing shoe which is symmetrical with the leading shoe, wherein, a regulator which is arranged between the regulating ends of the leading shoe and the trailing shoe is composed of a regulating screw and a regulating thread sleeve; a regulating gear which is fixedly connected with the regulating thread sleeve is arranged out of the regulating thread sleeve which is also provided with an automatic gap regulating device which is composed of a regulating lever which is coaxially hinged with the driven end of a braking lever assembly, a pull wire and a shifting piece; the driving end of the regulating lever is driven by the driven end of the braking lever assembly to rotate; the driven end of the regulating lever is connected with the driving end of the pull wire; the driven end of the pull wire is connected with the middle end of the shifting piece; the fulcrum of the shifting piece is hinged on the trailing shoe; simultaneously, the middle end is tensioned by a regulating spring, and thus the edge of the shifting tooth end of the shifting piece is clamped on the regulating gear. Because a support frame assembly of the brake is arranged in space which is composed of the leading shoe and the trailing shoe, the volume and the size of the brake are only decided by the size of the leading shoe and the trailing shoe, the volume of the brake can not be additionally increased, and thus the brake has the smallest volume and the most compact integral structure.
Description
(1) technical field:
The utility model relates to a kind of automotive brake, particularly a kind of automobile electromagnetic formula break that adopts the electromagnetic force braking.
(2) prior art:
Existing automotive brake major part is to adopt hydraulic control, and braking divides cylinder to be subjected to ejecting piston behind the hydraulic pressure by Brake pipe, and brake shoe distending and brake drum inner cylindrical surface are compressed, and produces friction brake drum is slowed down, until stopping operating.Because the size that brake shoe is pressed onto brake drum inner headed face upward pressure directly by outside applied pressure control, therefore, when external force is excessive, can make the frictional force between neck hoof and brake drum excessive, cause and overturn, skid because of braking automobile is too quickly etc.
In order to address the above problem, the applicant has applied for that to Patent Office of the People's Republic of China name is called " electromagnetic type automobile break ", application number is 01269710.9 utility model patent, this automobile electromagnetic formula break, comprise neck hoof and symmetrical with it from hoof, neck hoof and offer corresponding semi-circular arc groove from the distending end termination of hoof respectively, and this inboard, end termination or the outside, be inner circumference place or close excircle place, also offer stepped shaft concave station recessed inwards, that correspond to each other; The neck hoof and from the half-arc groove of hoof respectively cutting ferrule on the stationary axle that is fixed on the floor pan assembly, and strained by return spring, make the semi-circular arc groove on it press close to cooperate, and neck hoof and can rotate around stationary axle from hoof to the cylndrical surface of stationary axle.Brake lever assembly hinge is loaded on the floor pan assembly, and its drive end is provided with a bearing pin perpendicular to its rotational plane, but the electromagnet easy on and off is placed on the bearing pin slidably; Also have one with the neck hoof and from the hoof distending end the corresponding square braking jacking block hinge of institute's stepped shaft concave station of opening be loaded on the brake lever assembly driven end; Neck hoof and from also being provided with a regulator between the adjustable side of hoof, regulator is made of adjusting screw rod and Adjusting bolt Adjusting screw, Adjusting bolt Adjusting screw also is provided with an adjusting gear that is connected with it outward, behind neck hoof and the friction disc wear from the hoof, gap between they and brake drum will change, thereby the braking displacement will change, and the time of braking also changes thereupon, must stir adjusting gear by hand this moment makes elongate screw, and required size is adjusted in above-mentioned gap.
Because above-mentioned automobile electromagnetic formula break is in deceleration and braking process, frictional force between electromagnet and brake drum can be set by designing requirement, then lever transmission also presets for the power of neck hoof, then lead hoof, the frictional force between on hoof upper friction plate and the brake drum also is predeterminable, as long as design the frictional force between electromagnet and brake drum, then can prevent the generation of locking phenomenon.But because each component of above-mentioned automobile electromagnetic formula break are fixed on the floor pan assembly, and the volume of floor pan assembly is bigger, and its edge generally all exceeds the edge of neck hoof and the friction plate from the hoof, thereby this has increased the volume of break; And with the total supporting frame of drawn-steel floor pan assembly as break, relatively poor for the break intensity that specification is bigger, also make the structure of break compact inadequately, and need the manual setting gap behind the friction disc wear of above-mentioned break.
(3) model utility content:
The utility model disclose a kind of can regulate automatically the neck hoof and from gap between hoof upper friction plate and brake drum and intensity is good, compact structure, automobile electromagnetic formula break that volume is little.
Automobile electromagnetic formula break, comprise neck hoof and symmetrical with it from hoof, lead hoof, be installed on the bracket assembly respectively from hoof and other parts, neck hoof and from also being provided with a regulator between the adjustable side of hoof, regulator is made of adjusting screw rod and Adjusting bolt Adjusting screw, Adjusting bolt Adjusting screw also is provided with an adjusting gear that is connected with it outward, and different is: also have an automatic adjust the play device, this device by with adjustment (adjusting) lever, the backguy of the coaxial hinge dress of brake lever assembly driven end, reach plectrum and constitute; The drive end of adjustment (adjusting) lever drives by brake lever assembly driven end and rotates, and its driven end is connected with the backguy drive end, and the backguy driven end is connected with the plectrum middle-end; The fulcrum hinge of plectrum is loaded on from hoof, and the middle-end of while plectrum is conditioned the spring tension is stuck on the adjusting gear its moving tooth end margin.
Also have a runner that is used to set the backguy trend to be fixed on hoof or bracket assembly and and support into broken line backguy.
Bracket assembly is located at by neck hoof and in the space that hoof constitutes, and it is by the rack body of inner ring and be located at the rack body periphery, be used for supporting the neck hoof and from hoof, and makes it to remain on a support device formation the plane in.
Described support device is on rack body, along its periphery outwardly directed fixed claw or fixed groove up and down; Lead hoof and be provided with the hoof seat from the hoof inboard, the hoof seat is stuck in up and down between the fixed claw.
Have two stretched springs at least, the one end is individually fixed in the neck hoof and from the hoof seat of hoof, near the neck hoof with from the adjustable side of hoof, the other end is fixed on the rack body, high-ranking military officer's hoof and pull to rack body from hoof.
Described return spring is one or two, and its two ends are individually fixed in the neck hoof and from hoof, near the neck hoof with from the distending end of hoof.
When needs brake, connect power supply on the electromagnet, electromagnet is drawn onto on the brake drum and by its driven rotary, thereby the drive end that drives brake lever rotates thereupon, drive adjustment (adjusting) lever drive end and adjustment (adjusting) lever driven end simultaneously, and pulling backguy drive end, driving the backguy driven end spurs plectrum, behind neck hoof and the friction disc wear from the hoof, gap between they and brake drum will increase, and the brake lever rotation distance increases thereupon, thereby the displacement that plectrum is drawn back increases, after braking is eliminated, under the Regulation spring effect, the plectrum of return can be stirred a tooth by the adjusting gear that regulator is outer, makes tooth pitch of adjusting screw rod elongation, thereby realize regulating automatically neck hoof and the friction plate from the hoof and the purpose in the gap between brake drum, and make the gap keep constant substantially.
Because bracket assembly is arranged at by neck hoof and in the space that hoof constitutes, make the volume size of break only be decided by to lead hoof and, can additionally not increase the volume of break from the size of hoof, make the volume of break reach minimum, overall structure is the compactest.And bracket assembly can adopt foundry goods, and intensity is better.
(4) description of drawings:
Fig. 1 is the structural representation of a kind of mode of execution of the utility model.
Fig. 2 is the sectional view of Fig. 1.
(5) embodiment:
As the described automobile electromagnetic formula of Fig. 1, Fig. 2 break, it is led hoof 1, is installed on respectively on the bracket assembly 8 from hoof 2 and other parts, bracket assembly 8 preferably is located at by neck hoof 1 with in the space that hoof 2 constitutes, because it highly is far smaller than neck hoof 1 and the height of brake pad from the hoof, the bracket assembly periphery is not more than the shoe plate outer periphery of braking, then the profile size of break only is the size of shoe plate assembling back size, and it is minimum that the volume of break reaches.Bracket assembly 8 is by the rack body of inner ring and be located at the rack body periphery, be used for supporting neck hoof 1 and from hoof 2, and makes it to remain on support device 9 formations the plane in.Described support device 9 can be along the outwardly directed up and down fixed claw of its periphery on rack body, also can be fixed groove or other structures, and neck hoof 1 and be provided with hoof seat 4 from hoof 2 inboards is stuck in hoof seat 4 up and down between fixed claw or other support devices.Neck hoof 1 and constitute by adjusting screw rod and Adjusting bolt Adjusting screw from the regulator 11 between the adjustable side of hoof 2, or structure similarly constitutes, and Adjusting bolt Adjusting screw also is provided with an adjusting gear that is connected with it 12 outward.Automatically the adjust the play device by with the adjustment (adjusting) lever 5 of the coaxial hinge dress of brake lever assembly 3 driven ends, backguy 6, and plectrum 10 constitute; The drive end of adjustment (adjusting) lever 5 drives by brake lever assembly 3 driven ends and rotates, and its driven end is connected with backguy 6 drive ends, and backguy 6 driven ends are connected with plectrum 10 middle-ends; The fulcrum hinge of plectrum 10 is loaded on from hoof 2, and the while middle-end is conditioned spring 13 tensions is stuck on the adjusting gear 12 its moving tooth end margin.Also have a runner that is used to set backguy 6 trends, hinge is loaded on hoof 2 or bracket assembly 8 and with backguy 6 and supports into broken line, and the trend of backguy 6 should guarantee the easiest control plectrum 10 of its driven end.The effect of stretched spring 14 mainly is high-ranking military officer's hoof 1 and pulls to rack body from hoof 2, stretched spring 14 should have two at least, respectively in order to tension neck hoof 1 with from hoof 2, one end of stretched spring 14 is individually fixed in neck hoof 1 and on hoof 2 or the hoof seat 4 on it, near neck hoof 1 with from the adjustable side of hoof 2, the other end is fixed on the rack body.For making the brake structural compactness, return spring 15 is preferably one or two, and its two ends are individually fixed in neck hoof 1 and from hoof 2, near neck hoof 1 with from the distending end of hoof 2.
Claims (9)
1, automobile electromagnetic formula break, comprise neck hoof and symmetrical with it from hoof, lead hoof, be installed on the bracket assembly respectively from hoof and other parts, neck hoof and from also being provided with a regulator between the adjustable side of hoof, regulator is made of adjusting screw rod and Adjusting bolt Adjusting screw, Adjusting bolt Adjusting screw also is provided with an adjusting gear that is connected with it outward, it is characterized in that: also have an automatic adjust the play device, this device by with the adjustment (adjusting) lever (5) of the coaxial hinge dress of brake lever assembly (3) driven end, backguy (6), and plectrum (10) constitute; The drive end of adjustment (adjusting) lever (5) drives by brake lever assembly (3) driven end and rotates, and its driven end is connected with backguy (6) drive end, and backguy (6) driven end is connected with plectrum (10) middle-end; The fulcrum hinge of plectrum (10) is loaded on from hoof (2), and the while middle-end is conditioned spring (13) tension is stuck on the adjusting gear (12) its moving tooth end margin.
2, automobile electromagnetic formula break according to claim 1 is characterized in that: also have a runner (7) that is used to set backguy (6) trend to be fixed in from hoof (2) or bracket assembly (8) and go up and broken line is supportted in backguy (6).
3, automobile electromagnetic formula break according to claim 1 and 2, it is characterized in that: bracket assembly (8) is located at by neck hoof (1) with in the space that hoof (2) constitutes, it is by the rack body of inner ring and be located at the rack body periphery, be used for supporting neck hoof (1) and from hoof (2), and makes it to remain on support device (a 9) formation the plane in.
4, automobile electromagnetic formula break according to claim 3 is characterized in that: described support device (9) is on rack body, along its periphery outwardly directed fixed claw or fixed groove up and down; Lead hoof (1) and be provided with hoof seat (4) from hoof (2) inboard, hoof seat (4) is stuck in up and down between the fixed claw.
5, automobile electromagnetic formula break according to claim 4, it is characterized in that: have two stretched springs (14) at least, the one end be individually fixed in neck hoof (1) and from the hoof seat (4) of hoof (2) go up, near neck hoof (1) with from the adjustable side of hoof (2), the other end is fixed on the rack body, high-ranking military officer's hoof (1) and pull to rack body from hoof (2).
6, automobile electromagnetic formula break according to claim 1 and 2 is characterized in that: described return spring (15) is one or two, its two ends be individually fixed in neck hoof (1) and from hoof (2) go up, near neck hoof (1) with from the distending end of hoof (2).
7, automobile electromagnetic formula break according to claim 3 is characterized in that: described return spring (15) is one or two, its two ends be individually fixed in neck hoof (1) and from hoof (2) go up, near neck hoof (1) with from the distending end of hoof (2).
8, automobile electromagnetic formula break according to claim 4 is characterized in that: described return spring (15) is one or two, its two ends be individually fixed in neck hoof (1) and from hoof (2) go up, near neck hoof (1) with from the distending end of hoof (2).
9, automobile electromagnetic formula break according to claim 5 is characterized in that: described return spring (15) is one or two, its two ends be individually fixed in neck hoof (1) and from hoof (2) go up, near neck hoof (1) with from the distending end of hoof (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02245288 CN2591326Y (en) | 2002-12-18 | 2002-12-18 | Electromagnetic braker for vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02245288 CN2591326Y (en) | 2002-12-18 | 2002-12-18 | Electromagnetic braker for vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2591326Y true CN2591326Y (en) | 2003-12-10 |
Family
ID=33716925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02245288 Expired - Fee Related CN2591326Y (en) | 2002-12-18 | 2002-12-18 | Electromagnetic braker for vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2591326Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100335810C (en) * | 2005-10-27 | 2007-09-05 | 江苏大学 | Magnetic circuit of electromagnet of vehicle electromagnetic brake |
-
2002
- 2002-12-18 CN CN 02245288 patent/CN2591326Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100335810C (en) * | 2005-10-27 | 2007-09-05 | 江苏大学 | Magnetic circuit of electromagnet of vehicle electromagnetic brake |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: WANXIANG QIANCHAO (GUILIN) CHASSIS PARTS LTD. Free format text: FORMER NAME OR ADDRESS: GUILIN CAR ACCESSORIES GENERAL FACTORY |
|
| CP01 | Change in the name or title of a patent holder |
Patentee after: Wanxiang Qianchao (Guilin) Chassis Parts Co., Ltd. Patentee before: Guilin Car Accessories General Factory |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20031210 Termination date: 20111218 |