CN1213888C - Drum type brake device for vehicle - Google Patents

Drum type brake device for vehicle Download PDF

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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
Application number
CN01104528.0A
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Chinese (zh)
Other versions
CN1309042A (en
Inventor
中家啓勝
杉冈浩一
篠原敦彦
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Honda Motor Co Ltd
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Honda Motor Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Honda Motor Co Ltd filed Critical Honda Motor Co Ltd
Publication of CN1309042A publication Critical patent/CN1309042A/en
Application granted granted Critical
Publication of CN1213888C publication Critical patent/CN1213888C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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
    • F16D65/00—Parts or details
    • F16D65/14—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position
    • 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

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  • 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

Drum type brake device for vehicle
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.
Vehicle body frame 11 is gun carriage type vehicle body frame, from the beginning manage 12 and extend pipe 22 down downwards, manage 23 from managing 22 centre down rearward extending, therefrom manage 23 rear end and extend the back pipe 24,24 of pair of right and left (side 24 not shown) in addition, extend the bottom tube 25,25 (25 figure of a side do not show) of pair of right and left downwards from managing 22 centre down, rearward extend the lower end of these bottom tubes 25,25, again its rear end is extended upward with about back pipe 24,24 engage.
Power unit 19 is the unit that are made of driving engine 26 and change-speed box 27, is the water-cooled unit of the cylinder head 28 of driving engine 26 to the configuration of car body the place ahead.In detail, driving engine 26 is top rake h type engine hs, and cylinder axis (figure does not show) is horizon inclination certain angle (for example about 15 °) relatively, and cylinder head 28 is turned forward.
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.
Drum brake system 50, to be installed in as the brake unit 51 of drum brake system in the brake housing 52, in this brake housing 52, brake control lever 53 is installed pivotally by fulcrum 66, on the leading section 53a of brake control lever 53, an in succession end of cable 54, the other end of cable 54 is linked on the operating handle 37, between brake housing 52 and brake control lever 53, be provided for recovering the coil of wire spring 55 of brake control lever 53, the bar 56 of toppling on the limited length direction is set in this coil of wire spring 55.
Fig. 3 is the lateral plan of the brake unit of drum type brake device for vehicle of the present invention.
Brake unit 51 is rotating cylinder brake units of enlarged diameter type, say that at length brake unit 51 is by being installed in brake scotch 59,59 on the brake housing 52 with connecting pin 58, the cam 61 of these brake scotch 59,59 hole enlargements, the brake wheel 63 that makes the return spring 62,62 of brake scotch 59,59 undergauges and be installed in trailing wheel 17 (with reference to Fig. 2) side being constituted.Cam 61 is as described later from the fulcrum 66 extended members as the center of oscillation of brake control lever 53, and brake scotch 59,59 has brake rim 64,64 respectively.
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.
Cable 54 is the members that steel wire 72 connected pipe 71, steel wire 72 is that plus-minus screw axle 73 is installed in part on the connection side of brake control lever 53, the 74th, be bearing in the axle bush in the support holes 52c of brake housing 52, the 75th, the telescopic pipe of the connection side of the brake control lever 53 of covering steel wire 72,76 are mounted in the cable wire sleeve on the plus-minus screw axle 73.
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.
Drum brake system 110, because an end 113a of coil of wire spring 113 is placed near on the position of leading section 111b, so fully deflection ground uses coil of wire spring 113, thereby, coil of wire spring 113 cheaply can be used.
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.
Drum brake system 80, brake control lever 53 is installed on the brake housing 52 swingably, with the leading section 53a of this brake control lever 53 of cable 54 tractives brake unit 51 is in the drum type brake device for vehicle 50 of actuator state, an end 55a apical grafting of coil of wire spring 55 from directions pushing brake control levers 53 to brake unit 51 that decontrol between the fulcrum 66 of brake control lever 53 and leading section 53a and near on the position of leading section 53a, the other end 55b apical grafting of this coil of wire spring 55 on brake housing 52, insertion rods 56 in the online coil spring 55 are used for toppling on the length direction of restraining line coil spring 55.The coil of wire spring bearing surface 81a of the carriage 81 that is arranged on the brake control lever side is made protruding spherical shape.
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.
CN01104528.0A 2000-02-15 2001-02-15 Drum type brake device for vehicle Expired - Fee Related CN1213888C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP036822/2000 2000-02-15
JP2000036822A JP3848513B2 (en) 2000-02-15 2000-02-15 Drum brake device for vehicle

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
TW489787U (en) 2002-06-01
ES2172469B1 (en) 2003-12-01
JP3848513B2 (en) 2006-11-22
ES2172469A1 (en) 2002-09-16
CN1309042A (en) 2001-08-22
ITTO20010126A0 (en) 2001-02-14
JP2001225782A (en) 2001-08-21
ITTO20010126A1 (en) 2002-08-14

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Granted publication date: 20050810

Termination date: 20140215