CN208882026U - A kind of motorcycle front and back linkage disc brake system - Google Patents
A kind of motorcycle front and back linkage disc brake system Download PDFInfo
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- CN208882026U CN208882026U CN201821060953.7U CN201821060953U CN208882026U CN 208882026 U CN208882026 U CN 208882026U CN 201821060953 U CN201821060953 U CN 201821060953U CN 208882026 U CN208882026 U CN 208882026U
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Abstract
The utility model specifically discloses a kind of motorcycle front and back linkage disc brake systems, including parking brake, service brake, preceding caliper, caliper and flow divider afterwards, flow divider includes valve body, it include ante-chamber and back cavity in valve body, ante-chamber includes preceding input port and delivery outlet, forward bolt piston is provided in ante-chamber, back cavity includes rear input port, rear end piston is provided in back cavity, leather cup I and return spring I are arranged on forward bolt piston, leather cup II and return spring II are arranged on the piston of rear end, rear end piston and forward bolt piston are coaxially disposed, preceding input port includes throttle orifice and feeder current hole, the side surface area of rear end piston in ante-chamber is greater than front end floor space.The utility model it can make driver and passenger operation service brake make vehicle be in front and back linkage brake state, when operating parking brake again makes braking system generate bigger brake force, the phenomenon that having reaction force when driver and passenger being avoided to step on service brake or making a misstep, increases the comfortableness and security of driver and passenger's operation.
Description
Technical field
The utility model relates to braking system of motorcycle fields, more particularly, to the flow divider of braking system of motorcycle.
Background technique
Flow divider is common in motorcycle brake system, and when motorcycle is using service brake or parking brake, flow divider plays transmitting oil
The effect of pressure, to realize wheel braking.
Existing flow divider includes valve body, and valve body includes preceding input port, rear input port and delivery outlet, is provided in valve body
Piston, piston nose are provided with preceding leather cup, and piston rear end is provided with rear leather cup.When individually operated parking brake, operation parking brake is generated
Oil pressure, which can be applied on rear leather cup, moves piston backward, to cause to generate reversed pressure in service brake system, at this time due to
The foot of driver and passenger is not placed on service brake, will not be impacted to the operational comfort of driver and passenger, but when operation service brake, oil
Pressure pushes piston advances forward from rear input port is incoming, and then before being transmitted to oil pressure after caliper, if wanting to make braking system at this time
System generates bigger brake force, then needs to operate parking brake, and still, manipulator can be applied to rear skin in a flash, by the oil pressure that parking brake generates
Move piston backward on bowl, to cause to generate reversed pressure in service brake system, which is finally applied to foot
It will affect the comfort of driver and passenger's operation on braking pedal, and driver and passenger can be made to generate brake force and actual braking force
Compared to erroneous judgement bigger than normal.
The patent of invention of an a kind of entitled motorcycle and its brake system, brake are disclosed in CN107176152A
System includes first brake component, the second brake assemblies, two calipers and flow divider, and flow divider includes having ante-chamber and back cavity
Valve body, be provided with forward bolt piston in ante-chamber, rear end piston be provided in back cavity, is provided on valve body defeated before being connected to ante-chamber
Entrance, preceding delivery outlet and the rear input port being connected to back cavity, forward bolt piston and rear end piston are rigidly connected, and are provided in valve body
For making the first return unit of piston reset;The fluid output port of first brake component is connected to preceding input port, the second brake group
The fluid output port of part is connected to rear input port all the way, and another way is connected to rear caliper, and preceding delivery outlet is connected to preceding caliper.
The problem of although above-mentioned motorcycle and its brake system can solve common flow divider reaction force, but individually operated
When two brake assemblies, the second brake assemblies can be equivalent to service brake, after oil pressure makes forward bolt piston and rear end piston promote certain distance,
When pinching first brake component again, first brake component can be equivalent to parking brake, and forward bolt piston and rear end piston can promote centainly
Distance after on the basis of continue promote a distance, thus cause service brake sky once the phenomenon that, influence driver and passenger operation relax
Adaptive.
Utility model content
The purpose of this utility model is to provide a kind of motorcycle front and back linkage disc brake systems, it can make to drive
Multiply personnel in the state that operating service brake makes motorcycle be in front and back linkage braking, then operating parking brake keeps braking system generation bigger
When brake force, shunting valve piston is avoided to generate reversed or positive acting power, to have when driver and passenger being avoided to step on service brake anti-
Active force or the phenomenon that make a misstep, increases the comfortableness and security of driver and passenger's operation.
The purpose of this utility model realizes by the following technical solutions, a kind of motorcycle front and back linkage hydraulic disk
Braking system, including parking brake, service brake, preceding caliper, rear caliper and flow divider, flow divider include valve body, include in valve body
Ante-chamber and back cavity, ante-chamber include preceding input port and delivery outlet, forward bolt piston are provided in ante-chamber, back cavity inputs after including
Mouthful, rear end piston is provided in back cavity, parking brake is connect by pipeline with the preceding input port of flow divider, and service brake a-road-through piping is with after
Clipper joint is braked, service brake another way is connect by pipeline with input port after flow divider, and preceding caliper is defeated by pipeline and flow divider
Outlet connection, preceding cavity rear end are fixed with leather cup III, limiting gasket are fixed with before leather cup III, and forward bolt piston rear end is provided with notch
I, preceding input port include throttle orifice and repairing hole, and throttle orifice is connected to delivery outlet, and repairing hole is corresponding with the position notch I, front end
Return spring I, leather cup I for opening forward and sealing ring I are arranged on piston, rear end piston rear end is provided with notch II, rear defeated
Entrance is corresponding with the position notch II, and rear end piston nose is placed in ante-chamber, and rear end piston and forward bolt piston are coaxially disposed, rear end
Return spring II, sealing ring II and opening leather cup II backward are arranged on piston, when rear end piston and forward bolt piston link to
Before when being pushed to maximum functional stroke, leather cup I is corresponding with throttling hole site, the side surface area of the rear end piston in ante-chamber
Greater than front end floor space.
The working principle of this base case is: when individually operated parking brake, oil pressure is entered by pipeline from preceding input port, is passed through
The throttle orifice of preceding input port and repairing hole pass into ante-chamber, due to being arranged with leather cup I for opening forward on forward bolt piston, in skin
Forward bolt piston generates the power moved backward, but the work limited in the limiting gasket of preceding cavity rear end to forward bolt piston under the action of bowl I
Under, forward bolt piston remains static, and rear end piston is similarly in stationary state at this time, since throttle orifice and input port connect
It is logical, therefore the channel that flow divider is only connected to as preceding input port with delivery outlet at this time, final oil pressure are passed from delivery outlet through piping
Before being delivered on caliper;When operating service brake, a part of oil pressure is directly delivered on rear caliper by pipeline, another part oil pressure
By pipeline, input port enters after flow divider, and oil pressure input port after passes into the slot that back cavity is applied to rear end piston rear end
At mouth II, by the gap and sealing ring II of rear end piston and back cavity, sealing ring II is deformed under the action of oil pressure and is lost at this time
The effect of sealing, oil liquid strut opening leather cup II backward and generate forward pressure, the pressure of notch II and the generation of the place leather cup II
Common to push rear end piston advances forward, rear end piston will push forward forward bolt piston and travel forward, when rear end piston and front end
When piston linkage is pushed forward to maximum functional stroke, leather cup I seals throttle orifice, generates under forward bolt piston promotion in ante-chamber
Oil pressure is finally passed from delivery outlet, and at this time if preceding caliper needs bigger brake force, can operate again parking brake makes by hand
The oil pressure generated of stopping enters from preceding input port, and at this time since throttle orifice is enclosed, oil pressure is passed through from the corresponding notch I in repairing hole
It crosses, which pushes forward bolt piston to move further along, before being greater than at this time due to the side surface area of the rear end piston in ante-chamber
Floor space is held, according to P=F/S, in the case that pressure is the same, the power that area is subject to more greatly will be bigger, so that the rear end in ante-chamber
The side surface of piston is greater than thrust of the front end bottom surface by oil pressure to the right by the pressure that oil pressure is held tightly, therefore rear end piston is at this time
Can remain static, avoid rear end piston and generate active force forward or backwards, so as to avoid rear end piston forward or
It moves backward.Leather cup I and leather cup II plays the role of transmitting oil pressure and sealing, return spring I, return spring II in flow divider
Play the role of return after moving forward respectively to forward bolt piston, rear end piston.
The beneficial effect of this programme is: 1. can make driver and passenger so that motorcycle is in front and back linkage system in operation service brake
In the state of dynamic, then when operate parking brake braking system is made to generate bigger brake force, avoid shunting valve piston generate it is reversed or
Positive acting power, to increase driver and passenger behaviour the phenomenon that having reaction force when driver and passenger being avoided to step on service brake or make a misstep
The comfortableness and security of work.
2. the effect of rear end piston rear portion setting adjusting nut is that the position by adjusting adjusting nut can control point
The maximum functional stroke of valve forward bolt piston and rear end piston is flowed, so that the maximum pressure of transmitting oil pressure be adjusted.
3. in the present invention, since the rear end piston needed in valve body is longer and relatively thin, the production of rear end piston
Middle difficulty of processing is big, and concentricity is difficult to guarantee, and rear end piston includes rear end piston I and rear end piston I I, and rear end piston I and rear end are living
Plug II threaded connection can not only guarantee concentricity, but also can reduce processing cost.
4. in the present invention, the effect of valve rear end setting dustproof cover is to play valve inner dust-proof and protection
Effect.
5. forward bolt piston front-end and back-end piston rear end is respectively fixed with screw plug, the effect that screw plug is arranged is to prevent oil leak
And the setting convenient for other components.
Detailed description of the invention
Fig. 1 is the structural representation of the utility model motorcycle front and back linkage disc brake system specific embodiment
Figure.
Fig. 2 is the shunting valve arrangement of the utility model motorcycle front and back linkage disc brake system specific embodiment
Schematic diagram.
Fig. 3 is the enlarged drawing of A in Fig. 2.
Fig. 4 is the enlarged drawing of B in Fig. 2.
In figure: behind 1. valve bodies, 2. ante-chambers, 21. preceding input ports, 211. throttle orifices, 212. repairing holes, 22. delivery outlets, 3.
Input port, 4. forward bolt pistons, 40. notch I, 41. leather cup I, 42. return spring I, 43. sealing ring I, 5. rear ends are living behind chamber, 31.
Plug, 50. notch II, 51. leather cup II, 52. return spring II, 53. rear end piston Is, 54. rear end piston I I, 55. sealing ring II,
6. being braked before adjusting nut, 7. dustproof covers, 8. limiting gaskets, 9. leather cup III, 10. screw plugs, 101. parking brakes, 102. service brakes, 103.
Caliper, 11. flow dividers behind pincers, 104..
Specific embodiment
It will describe in detail in conjunction with specific embodiments with reference to the accompanying drawings below.
As shown in Figure 1, Figure 2, Figure 3, Figure 4, a kind of motorcycle front and back linkage disc brake system, including parking brake 101,
Service brake 102, preceding caliper 103, rear caliper 104 and flow divider 11, flow divider 11 include valve body 1, include ante-chamber in valve body 1
2 and back cavity 3, ante-chamber 2 include preceding input port 21 and delivery outlet 22, forward bolt piston 4 is provided in ante-chamber 2, after back cavity 3 includes
Input port 31 is provided with rear end piston 5 in back cavity 3, and parking brake 101 is connect by pipeline with the preceding input port 21 of flow divider 11, service brake
102 a-road-through pipings are connect with rear caliper 104, and 102 another way of service brake is connected by input port 31 after pipeline and flow divider 11
It connects, preceding caliper 103 is connect by pipeline with 11 delivery outlet 22 of flow divider, and 2 rear end of ante-chamber is fixed with leather cup III9, leather cup III9
Before be fixed with limiting gasket 8;4 rear end of forward bolt piston is provided with notch I40, and preceding input port 21 includes throttle orifice 211 and repairing hole
212, throttle orifice 211 is connected to delivery outlet 22, and repairing hole 212 is corresponding with the position notch I40, is arranged with back on forward bolt piston 4
Position spring I42, leather cup I41 for opening forward and sealing ring I43;Piston 5 rear end in rear end is provided with notch II50, rear input port 31
Corresponding with the position notch II50, piston 5 front end in rear end is placed in ante-chamber 2, and rear end piston 5 and forward bolt piston 4 are coaxially disposed, after
The leather cup II51 of return spring II52, sealing ring II55 and opening backward is arranged on the piston 5 of end;When rear end piston 5 and front end
When the linkage of piston 4 is pushed forward to maximum functional stroke, leather cup I41 is corresponding with 211 position of throttle orifice, in ante-chamber 2
The side surface area of rear end piston 5 is greater than front end floor space.
The working principle of this base case is: when individually operated parking brake 101, oil pressure by pipeline from preceding input port 21 into
Enter, the throttle orifice 211 of premenstrual input port 21 and repairing hole 212 pass into ante-chamber 2, due to being arranged with opening on forward bolt piston 4
Forward leather cup I41, forward bolt piston 4 generates the power moved backward, but the limit in 2 rear end of ante-chamber under the action of leather cup I41
Under the action of washer 8 limits forward bolt piston 4, forward bolt piston 4 remains static, and rear end piston 5 is similarly in static at this time
State, since throttle orifice 211 is connected to input port, flow divider 11 is only connected to as preceding input port 21 with delivery outlet 22 at this time
Channel, final oil pressure be transmitted to from delivery outlet 22 through piping before on caliper 103;When operating service brake 102, a part of oil pressure
It being directly delivered on rear caliper 104 by pipeline, another part oil pressure is entered by pipeline from input port 31 after flow divider 11,
Oil pressure input port 31 after passes into back cavity 3 and is applied at the notch II50 of 5 rear end of rear end piston, by 5 He of rear end piston
The gap of back cavity 3 and sealing ring II55, sealing ring II55 deforms the effect for losing sealing, oil liquid support under the action of oil pressure at this time
The pressure generated at the forward pressure of leather cup II51 generation of opening backward, notch II50 and leather cup II51 pushes rear end jointly
Piston 5 travels forward, and rear end piston 5 will push forward forward bolt piston 4 and travel forward, when rear end piston 5 and forward bolt piston 4 link
When being pushed forward to maximum functional stroke, leather cup I41 seals throttle orifice 211, generates under the promotion of forward bolt piston 4 in ante-chamber 2
Oil pressure is finally passed from delivery outlet 22, at this time if preceding caliper 103 needs bigger brake force, can operate parking brake again
101 enter the oil pressure generated by parking brake 101 from preceding input port 21, and at this time since throttle orifice 211 is enclosed, oil pressure is from benefit
The corresponding notch I40 of oilhole passes through, which pushes forward bolt piston 4 to move further along, at this time due to the rear end in ante-chamber 2
The side surface area of piston 5 is greater than front end floor space, and according to P=F/S, in the case that pressure is the same, the power that area is subject to more greatly will
It is bigger, so that the pressure that the side surface of the rear end piston 5 in ante-chamber is held tightly by oil pressure is greater than right end bottom surface by oil pressure to the right
Thrust, therefore rear end piston 5 can remain static at this time, avoid rear end piston 5 and generate active force forward or backwards,
It is moved forward or rearward so as to avoid rear end piston 5.Leather cup I41 and leather cup II51 plays transmitting oil pressure and close in flow divider
The effect of envelope, return spring I42, return spring II52 play return after moving forward respectively to forward bolt piston 4, rear end piston 5
Effect.
The beneficial effect of this programme is: driver and passenger can be made so that motorcycle is in front and back linkage in operation service brake 102
In the state of braking, then operate parking brake 101 make braking system generate bigger brake force when, avoid 11 piston of flow divider generate
Reversed or positive acting power, so that increase is driven the phenomenon that having reaction force when driver and passenger being avoided to step on service brake 102 or make a misstep
Multiply the comfortableness and security of personnel's operation.
Further, piston 5 rear portion in rear end is provided with adjusting nut 6.The work of 5 rear portion of rear end piston setting adjusting nut 6
With being that the position by adjusting adjusting nut 6 can control the maximum functional row of flow divider forward bolt piston 4 and rear end piston 5
Journey, so that the maximum pressure of transmitting oil pressure be adjusted.
Further, rear end piston 5 includes rear end piston I 53 and rear end piston I I54, rear end piston I 53 and rear end piston
II54 is threadedly coupled.Since the rear end piston 5 needed in valve body 1 is longer and relatively thin, difficulty of processing in the production of rear end piston 5
Greatly, concentricity is difficult to guarantee, and rear end piston 5 includes rear end piston I 53 and rear end piston I I54, rear end piston I 53 and rear end piston
II54 threaded connection can not only guarantee concentricity, but also can reduce processing cost.
Further, in the use of the new type, piston I 53 rear end in rear end is fixed with limiting gasket and sealing ring, the limit
The effect of washer and sealing ring is to seal, and prevents oil leak.
Further, 1 rear end of valve body is provided with dustproof cover 7.The effect of 1 rear end of valve body setting dustproof cover 7 is to valve body 1
Play the role of dust-proof and protection in inside.
Further, in the present embodiment, 4 front-end and back-end piston of forward bolt piston, 5 rear end is respectively fixed with screw plug 10, if
The effect for setting screw plug 10 is to prevent oil leak and the setting convenient for other components.
Claims (8)
1. a kind of motorcycle front and back linkage disc brake system, including parking brake (101), service brake (102), preceding caliper
(103), rear caliper (104) and flow divider (11), flow divider (11) include valve body (1), include ante-chamber (2) in valve body (1)
With back cavity (3), ante-chamber (2) includes preceding input port (21) and delivery outlet (22), is provided with forward bolt piston (4) in ante-chamber (2), after
Chamber (3) includes rear input port (31), is provided with rear end piston (5) in back cavity (3), and parking brake (101) passes through pipeline and flow divider
(11) preceding input port (21) connection, service brake (102) a-road-through piping are connect with rear caliper (104), service brake (102) another way
It is connect afterwards input port (31) by pipeline with flow divider (11), preceding caliper (103) passes through pipeline and flow divider (11) delivery outlet
(22) connect, it is characterised in that: ante-chamber (2) rear end is fixed with leather cup III(9), leather cup III(9) before be fixed with limiting gasket
(8), forward bolt piston (4) rear end is provided with notch I(40), preceding input port (21) includes throttle orifice (211) and repairing hole (212),
Throttle orifice (211) is connected to delivery outlet (22), and repairing hole (212) are corresponding with the position notch I(40), and forward bolt piston covers on (4)
Equipped with return spring I(42), leather cup I(41 for opening forward) and sealing ring I(43), rear end piston (5) rear end is provided with notch
II(50), rear input port (31) is corresponding with the position notch II(50), and piston (5) front end in rear end is placed in ante-chamber (2), and rear end is living
Fill in (5) and forward bolt piston (4) to be coaxially disposed, rear end piston is arranged with return spring II(52 on (5)), sealing ring II(55) and open
Mouth leather cup II(51 backward), when rear end piston (5) and forward bolt piston (4) link when being pushed forward to maximum functional stroke, skin
Bowl I(41) it is corresponding with throttle orifice (211) position, the side surface area of the rear end piston (5) in ante-chamber (2) is greater than front end bottom
Area.
2. motorcycle front and back linkage disc brake system as described in claim 1, it is characterised in that: rear end piston (5)
Rear portion is provided with adjusting nut (6).
3. motorcycle front and back linkage disc brake system as claimed in claim 1 or 2, it is characterised in that: rear end piston
(5) include rear end piston I (53) and rear end piston I I(54), rear end piston I (53) and rear end piston I I(54) it is threadedly coupled.
4. motorcycle front and back linkage disc brake system as claimed in claim 1 or 2, it is characterised in that: after valve body (1)
End is provided with dustproof cover (7).
5. motorcycle front and back linkage disc brake system as claimed in claim 3, it is characterised in that: valve body (1) rear end
It is provided with dustproof cover (7).
6. the motorcycle front and back linkage disc brake system as described in claims 1 or 2 or 5, it is characterised in that: front end is living
Plug (4) front-end and back-end piston (5) rear end is respectively fixed with screw plug (10).
7. motorcycle front and back linkage disc brake system as claimed in claim 3, it is characterised in that: forward bolt piston (4)
Front-end and back-end piston (5) rear end is respectively fixed with screw plug (10).
8. motorcycle front and back linkage disc brake system as claimed in claim 4, it is characterised in that: forward bolt piston (4)
Front-end and back-end piston (5) rear end is respectively fixed with screw plug (10).
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CN201821060953.7U CN208882026U (en) | 2018-07-05 | 2018-07-05 | A kind of motorcycle front and back linkage disc brake system |
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CN201821060953.7U CN208882026U (en) | 2018-07-05 | 2018-07-05 | A kind of motorcycle front and back linkage disc brake system |
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CN201821060953.7U Active CN208882026U (en) | 2018-07-05 | 2018-07-05 | A kind of motorcycle front and back linkage disc brake system |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108749988A (en) * | 2018-07-05 | 2018-11-06 | 重庆科朗机动车制动器有限公司 | A kind of motorcycle front and back linkage disc brake system |
-
2018
- 2018-07-05 CN CN201821060953.7U patent/CN208882026U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108749988A (en) * | 2018-07-05 | 2018-11-06 | 重庆科朗机动车制动器有限公司 | A kind of motorcycle front and back linkage disc brake system |
CN108749988B (en) * | 2018-07-05 | 2024-04-30 | 重庆科朗机动车制动器有限公司 | Front-rear linkage hydraulic disc type braking system of motorcycle |
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