CN1213888C - Drum type brake device for vehicle - Google Patents
Drum type brake device for vehicle Download PDFInfo
- Publication number
- CN1213888C CN1213888C CN01104528.0A CN01104528A CN1213888C CN 1213888 C CN1213888 C CN 1213888C CN 01104528 A CN01104528 A CN 01104528A CN 1213888 C CN1213888 C CN 1213888C
- Authority
- CN
- China
- Prior art keywords
- brake
- coil
- control lever
- wire spring
- brake control
- 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
Links
- 230000010355 oscillation Effects 0.000 claims description 12
- 230000000452 restraining effect Effects 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/14—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2125/00—Components of actuators
- F16D2125/18—Mechanical mechanisms
- F16D2125/58—Mechanical mechanisms transmitting linear movement
- F16D2125/60—Cables or chains, e.g. Bowden cables
- F16D2125/62—Fixing arrangements therefor, e.g. cable end attachments
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
One end 55a of the coil spring 55 pressing a brake arm 53 in the brake releasing direction is put to a position near a tip section 53a between the swing center 66 and the tip section 53a of the brake arm 53, and the other end 55b of the coil spring 55 is put to a brake housing 52. A rod 56 regulating the longitudinal collapse of the coil spring is inserted into the coil spring 55. Therefore, a drum brake device is capable of using a coil spring having a long coil length, as a result, it is capable of using a coil spring of a relatively low cost and capable of suppressing an increase of the manufacturing cost.
Description
Technical field
The invention relates to drum type brake device for vehicle, at length say, relate to because the contact wire coil spring can be so that the improvement of the drum type brake device for vehicle that the bulging drg of actuator state is thrown off on brake control lever.
Background technology
As drum type brake device for vehicle, for example, " motor-driven 2 take turns automobile-used brake equipment " of No. 2523748 communique of utility model is for well-known.
Above-mentioned technology according to the 3rd figure with communique, forms spring and bears the hole on the shoulder of left hand crankshaft case side, form teat on brake control lever, bears the return spring of striding frame recovery brake control lever between the hole at this teat and spring.
In this case, produce the danger of toppling over owing to when the coil of wire of return spring is long, exist, so, as general way, avoid connecting the braking cable of braking cable exactly and bear end, be arranged on the little axle side of oscillating quantity of brake control lever.
Yet above-mentioned return spring is owing to the little error of spring loading that makes of spring travel when use (extreme length during use-minimum length) becomes remarkable.That is, must use spring travel and spring loading that the spring of good ratiometric senior (high class precision) is arranged.Because senior spring price height becomes the major cause that the drum type brake device for vehicle cost rises.
Summary of the invention
Therefore, the object of the present invention is to provide a kind of drum type brake device for vehicle that can adopt cheap spring.
In order to arrive above-mentioned purpose, the 1st technical scheme of the present invention, be that brake control lever is installed on brake housing swingably, make the rotating cylinder braking be in actuator state by leading section with this brake control lever of cable tractive, use in the drum apparatus at above-mentioned vehicle, between the center of oscillation of brake control lever and the leading section and brake control lever is decontroled an end of the coil of wire spring of direction pushing near apical grafting on the position of leading section to braking, the other end apical grafting of this coil of wire spring is on brake housing, insert the bar of toppling on the length direction of restraining line coil spring in the online coil spring, one end of bar is supported by brake housing, and the other end is supported by brake control lever.
Configuration is used to decontrol the coil of wire spring of the braking of actuator state between brake control lever and brake housing, at this moment, an end apical grafting that makes coil of wire spring is between the center of oscillation of brake control lever and leading section and near on the position of leading section, the other end of coil of wire spring is placed on the brake housing, inserts the bar of toppling on the length direction of restraining line coil spring in the online again coil spring.
Because an end of coil of wire spring is placed between the center of oscillation of brake control lever and the leading section and near on the position of leading section, makes that the total length of coil of wire spring is longer.
Insertion rod in the online coil spring, toppling on the length direction of restraining line coil spring.
The 2nd technical scheme of the present invention is characterised in that, the coil of wire spring bearing surface that forms the brake control lever side is made protruding spherical shape, make to produce slip between the end with the online accordingly coil spring bearing surface of swing of brake control lever and coil of wire spring, coil of wire spring is stretched sleekly.
Description of drawings
Fig. 1 is the two-wheeled lateral plan that carries drum type brake device for vehicle of the present invention.
Fig. 2 is the lateral plan of drum type brake device for vehicle of the present invention.
Fig. 3 is the lateral plan of the brake unit of drum type brake device for vehicle of the present invention.
Fig. 4 is the details drawing of the return spring of drum type brake device for vehicle of the present invention.
Fig. 5 is the Action Specification figure of drum type brake device for vehicle of the present invention.
Fig. 6 is the lateral plan of another embodiment of vehicle drum brake system of the present invention.
The specific embodiment
Embodiments of the invention are described below with reference to the accompanying drawings.Drawing is to see to the direction that symbol points to.
Fig. 1 is the two-wheeled lateral plan that carries drum type brake device for vehicle of the present invention.
Two-wheeled 10 is motor scooter type motor-driven carts, mainly by the front fork 13 on the head pipe 12 that is installed in vehicle body frame 11, be installed in front-wheel 14 on the front fork 13 be connected handgrip 15 on the front fork, be installed in the upper back of vehicle body frame 11 swing unit 16, be installed in trailing wheel 17 on the rear portion of swing unit 16, be configured in the vehicle seat 18 of the upper back of vehicle body frame 11, the power unit 19 of below that is configured in vehicle body frame 11 and the car cover 21 of covering body vehicle frame 11 and constitute.
Among the figure, the 32nd, front fender apron, the 33rd, head lamp, the 35th, handle cover, the 36th, handle, the 37th, operating handle, the 38th, catadioptre, the 39th, rear suspension device, the 41st, Fuel Tank, the 42nd, engine cooling radiator, the 43rd, airfilter, the 44th, taillight, the 45th, rear mudguard, the 46th, small article case, the 47th, storage battery, the 50th, above-mentioned drum type brake device for vehicle (the following drum brake system 50 that slightly is designated as).
Fig. 2 is the lateral plan of drum type brake device for vehicle of the present invention.
Fig. 3 is the lateral plan of the brake unit of drum type brake device for vehicle of the present invention.
That is, in brake unit 51, make the direction swing of brake control lever 53, make the direction revolution of cam 61, make brake scotch 59,59 hole enlargements, brake rim 64,64 is pressed on the inner peripheral surface 63a of braking rotating cylinder 63, brake to blank arrow b to blank arrow a.
Fig. 4 is the brake housing details drawing on every side of drum type brake device for vehicle of the present invention.
The through hole 52e of an end 56a of the supporting recess 52d of the other end 55b of the support holes 52c of the support 52b of the installation recess 52a of formation installation brake unit 51, supporting brake control lever 53, supporting rope 54, supporting-line coil spring and perforation bar 56 on brake housing 52.
The fulcrum 66 as center of oscillation in the support 52b that is entrenched in brake housing 52 is installed on brake control lever 53, the installation portion 67 of cable 54 form to be installed on leading section 53a, between the fulcrum 66 of brake control lever 53 and leading section 53a, to be born the carriage 68 of an end 55a of coil of wire spring 55 near the installation of leading section 53a place.68a is the coil of wire spring bearing surface of carriage 68, and 68b is the support of the bar of carriage 68.
One end 56a of bar 56 makes straight shape, and other end 56b makes the L word shape, and an end 56a inserts in the through hole 52e of brake housing 52, and other end 56b is entrenched in the bar support 68b of carriage 68.
Promptly, drum brake system 50, brake control lever 53 is installed on the brake housing 52 swingably, by leading section 53a brake unit 51 is become in the drum type brake device for vehicle 50 of actuator state with this brake control lever 53 of cable 54 tractives, between the fulcrum 66 of brake control lever 53 and the leading section 53a and near apical grafting on the position of front end 53a the end 55a that open coil of wire spring 55 that direction push of brake control lever 53 to brake unit 51, the other end 55b apical grafting of this coil of wire spring 55 on brake housing 52, is inserted the bar 56 of toppling on the length direction of restraining line coil spring 55 in the coil of wire spring 55.
The following describes the effect of above-mentioned drum brake system 50.
Fig. 5 (a)~(c) is the Action Specification figure of drum type brake device for vehicle of the present invention, (a) and (b) represents comparative example, (c) represents embodiment.
In (a), drum brake system 100 has disposed the coil of wire spring 103 of the braking relieving that makes actuator state between brake control lever 101 and brake housing 102, at this moment an end 103a apical grafting of coil of wire spring 103 between the center of oscillation 101a of brake control lever 101 and the leading section 101b near on the position of center of oscillation 101a, the other end 103b apical grafting of coil of wire spring 103 on brake housing 102.
And, drum brake system 100, because an end 103a of coil of wire spring 103 is arranged near on the position of center of oscillation 101a, so the oscillating quantity at brake control lever 103 compares use coil of wire spring 103 in the scope little on leading section 101 b, thereby, because the deflection of coil of wire spring 103 is little, loading becomes the coil of wire spring 103 of good ratiometric senior (high precision) with spring so need to use spring travel.It is the principal element that this cost that becomes drum brake system 100 rises.
In (b), drum brake system 110 disposes the coil of wire spring 113 of the braking that is used to decontrol actuator state between brake control lever 111 and brake housing 112, at this moment, an end 113a apical grafting of coil of wire spring 113 between the center of oscillation 111a of brake control lever 111 and the leading section 111b and near on the position of leading section 111b, the other end 113b apical grafting of coil of wire spring 113 on brake housing 112.
Yet, because the length of coil of wire spring 113 is elongated, so have the danger that coil of wire spring 113 is toppled on length direction.
In (c), drum brake system 50, configuration is used to decontrol the coil of wire spring 55 of the braking of actuator state between brake control lever 53 and brake housing 52.At this moment an end 55a apical grafting of coil of wire spring 55 between the fulcrum 66 of brake control lever 53 and the leading section 53a and near on the position of leading section 53a, the other end 55b apical grafting of coil of wire spring 55 on brake housing 52, insertion rods 56 in the online again coil spring 55 are used for toppling on the length direction of restraining line coil spring 55.
Thereby, because an end 55a apical grafting of coil of wire spring 55 is between the fulcrum 66 of brake control lever 53 and leading section 53a and near on the position of leading section 53a, and, barre 56 inserts in the coil of wire spring 55, toppling on the length direction of restraining line coil spring 55 is so can use the long coil of wire spring 55 of coil of wire length.Its result can use coil of wire spring 55 more cheaply, can suppress the rising of the manufacturing cost of drum brake system 50.
In addition, drum brake system 50 is done the total length of coil of wire spring 55 longly easily.That is, owing to do coil of wire spring 55 to such an extent that grow, so the variation of the loading of the coil of wire spring 55 can suppress brake operating the time.
At this, L1 is the vertical distance of the end 55a from fulcrum 66 (center of oscillation) to coil of wire spring 55, and L2 is the vertical distance from an end 55a of coil of wire spring 55 to the leading section 53a of brake control lever 53.
Fig. 6 is the lateral plan of brake unit of another embodiment of vehicle drum apparatus of the present invention.The part identical with drum brake system uses identical symbol, omits its detailed explanation.
Promptly, drum brake system 80, because coil of wire spring bearing surface 81a is made protruding sphere, so corresponding with the swing of brake control lever 53, can make to produce between the end 55a of coil of wire spring bearing surface 81a and coil of wire spring 55 and slide, make coil of wire spring 55 flexible sleekly.Its result can realize the good drum brake system of operation feeling 80.
In an embodiment, as shown in Figure 4, the other end of coil of wire spring 55 is installed on the brake housing 52, but is not limited thereto, also can be fixed on the other end 55b of coil of wire spring 55 on the car body side at rear portion etc. of crankcase of driving engine.
The present invention is because above-mentioned formation has been given play to following effect.
According to the 1st technical scheme, since an end apical grafting of coil of wire spring from the direction pushing to braking that brake control lever is decontroled between the center of oscillation of brake control lever and leading section and near on the position of leading section, the other end apical grafting of this coil of wire spring on brake housing, insert the bar of toppling on the length direction of restraining line coil spring in the online coil spring, so, can use the long long coil of wire spring of the coil of wire.Its result can use coil of wire spring more cheaply, can suppress the rising of the manufacturing cost of drum brake system.
Because the coil of wire spring bearing surface that is formed on the brake control lever side is made protruding spherical shape, so, corresponding with the swing of brake control lever, can produce slip between the end of coil of wire spring bearing surface and coil of wire spring, can make coil of wire spring flexible sleekly.Its result can realize the drum type brake device for vehicle that operation feeling is good.
Claims (2)
1. drum type brake device for vehicle, this device is installed in brake control lever on the brake housing swingably, make the rotating cylinder drg be in actuator state by leading section with this brake control lever of cable tractive, it is characterized in that, an end apical grafting of brake control lever being pushed brake to the coil of wire spring of decontroling direction between the center of oscillation of above-mentioned brake control lever and above-mentioned leading section and near on the position of leading section, the other end apical grafting of this coil of wire spring on brake housing, insert the bar that restraining line coil spring end wise is toppled in the online coil spring, one end of bar is supported by brake housing, and the other end is supported by brake control lever.
2. drum type brake device for vehicle as claimed in claim 1 is characterized in that, the coil of wire spring bearing surface that is formed on the above-mentioned brake control lever side is made protruding spherical shape.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2000036822A JP3848513B2 (en) | 2000-02-15 | 2000-02-15 | Drum brake device for vehicle |
JP036822/2000 | 2000-02-15 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1309042A CN1309042A (en) | 2001-08-22 |
CN1213888C true CN1213888C (en) | 2005-08-10 |
Family
ID=18560809
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN01104528.0A Expired - Fee Related CN1213888C (en) | 2000-02-15 | 2001-02-15 | Drum type brake device for vehicle |
Country Status (5)
Country | Link |
---|---|
JP (1) | JP3848513B2 (en) |
CN (1) | CN1213888C (en) |
ES (1) | ES2172469B1 (en) |
IT (1) | ITTO20010126A1 (en) |
TW (1) | TW489787U (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4590197B2 (en) * | 2004-03-01 | 2010-12-01 | 本田技研工業株式会社 | Motorcycle brake equipment |
CN106114740B (en) * | 2016-07-26 | 2019-02-05 | 凡爱华 | Two-way slave lock |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55156745A (en) * | 1979-05-25 | 1980-12-06 | Maruishi Jitensha Kk | Braking device for vehicle |
JPS6065919A (en) * | 1984-07-03 | 1985-04-15 | Matsushita Electric Ind Co Ltd | Disk brake |
JPH05223135A (en) * | 1992-02-14 | 1993-08-31 | Matsunaga Seisakusho:Kk | Brake device of lightweight vehicle |
JP2000159073A (en) * | 1998-11-24 | 2000-06-13 | Aichi Mach Ind Co Ltd | Hold-down structure of return spring for parking pole |
-
2000
- 2000-02-15 JP JP2000036822A patent/JP3848513B2/en not_active Expired - Fee Related
-
2001
- 2001-02-02 TW TW090201662U patent/TW489787U/en not_active IP Right Cessation
- 2001-02-14 ES ES200100332A patent/ES2172469B1/en not_active Expired - Fee Related
- 2001-02-14 IT IT2001TO000126A patent/ITTO20010126A1/en unknown
- 2001-02-15 CN CN01104528.0A patent/CN1213888C/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
ES2172469A1 (en) | 2002-09-16 |
CN1309042A (en) | 2001-08-22 |
ITTO20010126A0 (en) | 2001-02-14 |
JP3848513B2 (en) | 2006-11-22 |
ITTO20010126A1 (en) | 2002-08-14 |
TW489787U (en) | 2002-06-01 |
JP2001225782A (en) | 2001-08-21 |
ES2172469B1 (en) | 2003-12-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C06 | Publication | ||
PB01 | Publication | ||
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: 20050810 Termination date: 20140215 |