CN103863498A

CN103863498A - Two-sided disc brake

Info

Publication number: CN103863498A
Application number: CN201210544568.0A
Authority: CN
Inventors: 张小红
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-12-10
Filing date: 2012-12-10
Publication date: 2014-06-18
Anticipated expiration: 2032-12-10
Also published as: CN103863498B

Abstract

The invention discloses a two-sided disc brake which comprises a two-arm pull rod (1), a large pliers body (7), a small pliers body (2), a left push rod (3a), a right push rod (3), a left clamp spring (8a), a right clamp spring (8), a seal ring (11), a left push rod cover (2a), a left compensation screw (9a) and a right compensation screw (9). The two-arm pull rod (1) has returning elasticity, gaps are formed between a left arm of the two-arm pull rod (1) and the large pliers body (7) and between a right arm and the small pliers body (2) and correspondingly reduced along with increase of the working turning angle of the two-arm pull rod (1), the right push rod (3) and the small pliers body (2) form a right bead disc driving structure, and the left push rod (3a) and the left push rod cover (2a) form a left bead disc driving structure. The two-sided disc brake can achieve two-sided simultaneous clamping and is small in size.

Description

Two-sided disc brake

Technical field

The present invention relates to the important spare part of bicycle, Electrical Bicycle, the mechanical double-sided clamp disc brake of specifically a kind of bracing wire.

Background technology

Bicycle and Electrical Bicycle are the huge traffic of whole world owning amount, ride instead of walk and fitness tool, and in order to regulate gait of march and braking, brake is indispensable parts.What conventional bicycle, electric bicycle braking used at present is mechanical pulling brake, generally uses the disc brake of unidirectional clamped-in style, and the small forceps body friction lining of unidirectional clamped-in style disc brake is fixed, brakes by the monolateral extruding disc of large caliper friction lining.This disc brake regulates difficulty when mounted, and trouble is installed, and when braking, disc is monolateral stressed, yielding, affects braking effect.And fluid pressure type disc brake is double-sided clamp brake, effective, easily install, but accuracy requirement is high, manufacturing cost is high, and easy oil leakage in use is keeped in repair more difficult.Its name of Chinese utility model patent ZL201120242634.X is called: bicycle disc brake with clamped double faces, openly provide a kind of two-sided bicycle mechanical disc brake clamping that does simultaneously, substantially solved the shortcoming of the mechanical disc brake of unidirectional clamped-in style, overcome disc monolateral stressed, yielding, affect the problem of braking effect, but this utility model patent has still adopted round-about way to reach the two-sided clamping of doing simultaneously, two actuating devices are contained in on one side, reach the two-sided clamping of doing by the follow-up shift of main body brake equipment simultaneously.The shortcoming of this method is as follows: two actuating devices are contained in on one side, and the volume on this limit is just higher with regard to height bigger than normal, is unfavorable for micro-miniaturisation and lightweight.

Summary of the invention

The defect existing for above-mentioned prior art, the object of the two-sided disc brake of the present invention is not only to provide a kind of direct-type double-sided clamp, and two-sided doing easy for installation clamps disc brake simultaneously, and makes it comparatively slimming and lightweight.

It is such realizing technical scheme of the present invention: this is a kind of two-sided disc brake, comprise both arms pull bar, large caliper, little caliper, left push rod, right push rod, left jump ring, right jump ring, seal ring, left push rod lid, left compensation screw and right compensation screw, its technical scheme is: described both arms pull bar has left and right two arms, left and right two arms outwards open and are non-parallel state under state of nature, both arms pull bar possesses Flexible Reset, between the left arm of both arms pull bar and large caliper, between right arm and little caliper, there is the gap of 0.2mm to 4.5mm, this gap is along with the work rotational angle of both arms pull bar increases and corresponding reducing, under the original state that do not stress, this gap is maximum, the pearl dish drive configuration on described right push rod and described small forceps body composition the right, the pearl dish drive configuration on described left push rod and the left push rod lid composition left side, described left compensation screw and right compensation screw are for regulating the distance of left and right friction lining.Through hole or the screw hole of one installation bracing wire arranged at the top of described both arms pull bar, between both arms pull bar and large caliper, can torsion spring be installed or reset response is played in extension spring, left and right arms Pasting, parcel or clasping plastics, nylon, rubber or the metal moulding piece of both arms pull bar are to beautify outward appearance.There is a through hole centre of described little caliper, and the spiral groove of 2 to 4 inclinations that distribute around the inner side around through hole is useful on the corner of little caliper and large fixing through hole or the screw hole of caliper.Described left push rod and right push rod are except the direction of tilt of spiral groove that tilts is contrary, and remaining moulding is the same with structure.Described right push rod and left push rod and both arms pull bar be fixed by socket the mode that adopts left jump ring right jump ring to block, or adopt nut to fix, the gap between described right push rod and little caliper is protected by seal ring.

The wearing and tearing of friction compensation sheet can be adjusted in this two-sided disc brake both sides, and this two-sided disc brake can also can be without retracing spring with retracing spring, utilize the first transaction of a day's business elastic force of both arms pull bar itself just can reach the object that both arms pull bar resets.Described small forceps body is directly accomplished the spiral groove of the inclination of pearl dish structure on common little caliper, described little caliper has just possessed the function of two parts, unite two into one by push rod lid and common little caliper, adapted to the narrow space of bicycle disk inner side.

The invention has the beneficial effects as follows, with respect to the bicycle disc brake with clamped double faces of current use, reduce height and the volume of disc brake, reduced by 20% left and right through measuring average bottom-to-top-height, the corresponding raw MAT'L that reduced weight savings.

Accompanying drawing explanation

Accompanying drawing explanation below:

Fig. 1 is the sectional structural map of a specific embodiment of the two-sided disc brake of the present invention, its be Fig. 3 A-A to section-drawing.

Fig. 2 is the sectional structural map of another angle of a specific embodiment of the two-sided disc brake of the present invention, its be Fig. 3 B-B to section-drawing.

Fig. 3 is the front elevation of the two-sided disc brake of the present invention.

Fig. 4 is the three-dimensional exploded view of the two-sided disc brake of the present invention.

Fig. 5 and Fig. 6 are that the both arms pull bar of the two-sided disc brake of the present invention is stuck, two views of parcel or clasping plastics, nylon, rubber or metal moulding piece.

Fig. 7 and Fig. 8 are the another kind of shape figure of the little caliper of the two-sided disc brake of the present invention.

The specific embodiment

Below in conjunction with implementing, the invention will be further described.

Shown in Fig. 1, be the sectional structural map of a specific embodiment of the two-sided disc brake of the present invention, its be Fig. 3 A-A to section-drawing.For sake of convenience, below alleged " left side ", " right side " is consistent with the left and right directions of accompanying drawing itself.In the time that the brake lever of holding with a firm grip drives both arms pull bar 1 to rotate, the right arm of both arms pull bar 1 drives right push rod 3 to rotate, the pearl dish drive configuration on right push rod 3 and small forceps body 2 composition the right, along with the rotation of right push rod 3, right steel ball 4 rotates in the spiral groove tilting, and just promotes right push rod 3, right movable push rod 5 and right friction lining 6 and advances to the left side; When the left arm of both arms pull bar 1 rotates simultaneously, the pearl dish drive configuration on left push rod 3a and the left push rod lid 2a composition left side, left steel ball 4a rotates in the spiral groove tilting, just promote left push rod 3a, left movable push rod 5a and left friction lining 6a and advance to the right, so just reached the two-sided clamping of doing simultaneously.Right push rod 3 and left push rod 3a and both arms pull bar 1 be fixed by socket the mode that adopts left jump ring 8a right jump ring 8 to block, the gap between right push rod 3 and small forceps body 2 is protected by seal ring 11.The fixing bracing wire of screw hole 10 is used.Left compensation screw 9a and right compensation screw 9 regulate the right movable push rod 5 of left movable push rod 5a to pass in and out, for regulating the distance between left friction lining 6a and right friction lining 6.

In Fig. 2 and Fig. 3, show: large caliper 7 and small forceps body 2 are fixing by holding screw 13, and safety pin 12 is to be through in the aperture of left friction lining 6a and right friction lining 6.

Fig. 4 has clearly illustrated that the relation between each part.

These two views of Fig. 5 and Fig. 6 show, left and right arms Pasting, parcel or clasping plastics, nylon, rubber or the metal moulding piece of both arms pull bar 1 are to beautify outward appearance, particularly the residing space of left arm is larger, just can have the larger leeway of beautifying moulding.

Fig. 7 and Fig. 8 are that little caliper can have different moulding to further the illustrating of small forceps body 2, but can find out that its main process is that entirety manufacture forms.

The wearing and tearing of friction compensation sheet can be adjusted in this two-sided disc brake both sides, and this two-sided disc brake can save retracing spring in order to reduce height, utilize both arms pull bar 1 the first transaction of a day's business elastic force own to reach the object that both arms pull bar 1 resets.

Claims

1. a two-sided disc brake, comprise both arms pull bar (1), large caliper (7), little caliper (2), left push rod (3a), right push rod (3), left jump ring (8a), right jump ring (8), seal ring (11), left push rod lid (2a), left compensation screw (9a) and right compensation screw (9), it is characterized in that: described both arms pull bar (1) has left and right two arms, left and right two arms outwards open and are non-parallel state under state of nature, and both arms pull bar (1) possesses Flexible Reset; Between the left arm of both arms pull bar (1) and large caliper (7), between right arm and little caliper (2), there is the gap of 0.2mm to 4.5mm, this gap is along with the work rotational angle of both arms pull bar (1) increases and corresponding reducing, and under the original state that do not stress, this gap is maximum; The pearl dish drive configuration on described right push rod (3) and described little caliper (2) composition the right, the pearl dish drive configuration on described left push rod (3a) and left push rod lid (2a) the composition left side; Described left compensation screw (9a) and right compensation screw (9) are for regulating the distance of left and right friction lining.

2. two-sided disc brake according to claim 1, it is characterized in that: through hole or the screw hole (10) of an installation bracing wire arranged at the top of described both arms pull bar (1), between both arms pull bar (1) and large caliper (7), can torsion spring be installed or extension spring reaches reset response, both arms pull bar (1) left and right arms Pasting, parcel or clasping plastics, nylon, rubber or metal moulding piece are to beautify outward appearance.

3. two-sided disc brake according to claim 1, it is characterized in that: there is a through hole centre of described little caliper (2), around around the distribute spiral groove of 2 to 4 inclinations of the inner side of through hole, on the corner of little caliper (2), be useful on and large fixing through hole or the screw hole of caliper (7).

4. two-sided disc brake according to claim 1, is characterized in that: described left push rod (3a) and right push rod (3) are except the direction of tilt of spiral groove that tilts is contrary, and remaining moulding is the same with structure.

5. two-sided disc brake according to claim 1, it is characterized in that: described right push rod (3) and left push rod (3a) and both arms pull bar (1) be fixed by socket the mode that adopts the right jump ring of left jump ring (8a) (8) to block, or adopt nut to fix, the gap between described right push rod (3) and little caliper (2) is protected by seal ring (11).