CN108916146A - A kind of hydraulic brake valve and brake fluid system - Google Patents

A kind of hydraulic brake valve and brake fluid system Download PDF

Info

Publication number
CN108916146A
CN108916146A CN201810769656.8A CN201810769656A CN108916146A CN 108916146 A CN108916146 A CN 108916146A CN 201810769656 A CN201810769656 A CN 201810769656A CN 108916146 A CN108916146 A CN 108916146A
Authority
CN
China
Prior art keywords
cavity
spool
hydraulic brake
entrance
outlet
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.)
Pending
Application number
CN201810769656.8A
Other languages
Chinese (zh)
Inventor
王军
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.)
Chongqing Dingchao Machinery Manufacturing Co Ltd
Original Assignee
Chongqing Dingchao Machinery Manufacturing 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 Chongqing Dingchao Machinery Manufacturing Co Ltd filed Critical Chongqing Dingchao Machinery Manufacturing Co Ltd
Priority to CN201810769656.8A priority Critical patent/CN108916146A/en
Publication of CN108916146A publication Critical patent/CN108916146A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62LBRAKES SPECIALLY ADAPTED FOR CYCLES
    • B62L1/00Brakes; Arrangements thereof
    • B62L1/02Brakes; Arrangements thereof in which cycle wheels are engaged by brake elements

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • Hydraulic Control Valves For Brake Systems (AREA)

Abstract

The invention belongs to motorcycle brake technical field, a kind of hydraulic brake valve and brake fluid system that can allow motorcycle front and back wheel gradual braking simultaneously is disclosed, hydraulic brake valve includes hollow valve body and the spool for being slidably arranged in the valve body hollow portion;The hollow space of valve body is divided into the first cavity and the second cavity by the spool;First cavity is respectively equipped with first entrance and first outlet;Second cavity is respectively equipped with second entrance and second outlet.Brake fluid system includes above-mentioned hydraulic brake valve.The motorcycle of this hydraulic brake valve is installed when front and back is braked, spool both ends will receive different pressure and move left and right, to change the oil pressure of preceding wheel cylinder and rear wheel cylinder, it is not easy to front-wheel locking the phenomenon that falling vehicle and rear lock whipping out of control occur, greatly improve the safety of motorcycle brake.

Description

A kind of hydraulic brake valve and brake fluid system
Technical field
The invention belongs to motorcycle brake technical fields, and in particular to a kind of hydraulic brake valve and brake fluid system.
Background technique
Braking system is to ensure that motorcycle safety travels the most key active safety feature, so motorcycle brake system Basic demand be exactly:No matter motorcycle is under the conditions ofs any speed, load, height attachment coefficient road surface and weather etc., really Protecting driver can realize that vehicle is steady, rapidly slows down in braking process by shirtsleeve operation, until parking.Motorcycle Braking system is different from automobile, since motorcycle shaft is away from short, so the centroid position of motorcycle is higher than automobile.When braking, mass center Position forward excursion it is big, front-wheel needs bigger brake force, could gradual braking motorcycle.
However most of traditional two-wheeled motor vehicle uses forward and backward independent braking system, equipped with this braking system Motorcycle just must reasonably distribute the operating force of hand, foot in braking process, to obtain biggish braking deceleration, make Forward and backward tire makes full use of the attachment coefficient on road surface, but in real life, user is difficult to accomplish the conjunction of front and rear wheel brake force Reason distribution.For motorcycle, according to the situation of vehicle load, the attachment coefficient and vehicle of pavement of road in braking process It is critically important again that the composite factors such as the abrasion condition of tire, which distribute brake force, for example, if front wheel brake, front-wheel is used alone Just it is possible to locking occur, and then loses steering capability, lead to great overturn accident;If rear service brake is used alone, no But brake efficiency is low, and is likely to result in rear lock, be easy to cause defective steering stabilizer.
Currently, application of the ABS technology on high-end two-wheeled motor vehicle is relatively broad, although the application of the technology is greatly Ground improves the brake safe performance of two-wheeled motor vehicle, but expensive price ordinary consumer is difficult to bear.Therefore, this field Technical staff it is necessary to design it is a kind of it is easy to operate, braking force distribution is reasonable and cheap, and allow motorcycle front and back wheel simultaneously The brake valve and braking system of gradual braking.
Summary of the invention
In order to solve the above problems existing in the present technology, it is an object of that present invention to provide a kind of easy to operate, brake force It is reasonable and cheap to distribute, and allow motorcycle front and back wheel simultaneously gradual braking hydraulic brake valve and brake fluid system.
The technical scheme adopted by the invention is as follows:
A kind of hydraulic brake valve including hollow valve body and is slidably arranged in the spool of the valve body hollow portion;It is described The hollow space of valve body is divided into the first cavity and the second cavity by spool;First cavity is respectively equipped with first entrance and first Outlet;Second cavity is respectively equipped with second entrance and second outlet.
Further, the spool, which is connected with, makes its restorable resetting apparatus.
Further, the resetting apparatus is reset spring;The both ends of the reset spring are born against in the spool On valve body.
Further, the spool is provided with the first leather cup close to one end of the first cavity;Spool is close to the second cavity One end is provided with the second leather cup;The opening of first leather cup and the second leather cup is back to setting.
Further, sealing ring mounting groove is offered on the periphery of the spool;Setting in the sealing ring mounting groove There is the first sealing ring.
Further, second cavity is connected with plug far from one end of spool;Distinguish at the both ends of the reset spring It is resisted against on the spool and plug.
Further, the plug includes the thread segment being threadedly coupled with the second cavity, the thread segment and the second cavity Between be provided with third sealing ring, one end of the thread segment towards spool is fixed with block section, and the diameter of the thread segment is big Diameter in block section;The second sealing ring is provided between the block section and the second cavity.
Further, Dogbolt is threaded on the valve body;Plug is pressed on by the head of the Dogbolt On valve body.
A kind of brake fluid system, including above-mentioned any one hydraulic brake valve.
It further, further include preceding main pump, preceding wheel cylinder, rear main pump and rear wheel cylinder;It is described after main pump outlet with it is described The first entrance of first cavity connects, and the entrance of the rear wheel cylinder is connect with the first outlet of the first cavity;The preceding main pump Outlet is connect with the second entrance of second cavity, and the entrance of the preceding wheel cylinder is connect with the second outlet of the second cavity.
Beneficial effects of the present invention are:
(1) motorcycle of this hydraulic brake valve is installed when front and back is braked, spool both ends will receive different pressure or so It is mobile, to change the oil pressure of preceding wheel cylinder and rear wheel cylinder, it is not easy to front-wheel locking vehicle and the rear lock whipping out of control of falling occur Phenomenon greatly improves the safety of motorcycle brake.
(2) this hydraulic brake valve effectively improves the traffic safety of motorcycle, reduces percent than common brake 70 safety accident.It can be suitable for the motorcycle that all front and back wheels are hydraulic braking disk, market is widely used.
(3) a plurality of motorcycles for installing this hydraulic brake valve rubbed respectively by Xi'an and Tianjin grind Europe superscript recognize Card.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of brake fluid system of the invention;
Fig. 2 is a kind of structural schematic diagram of hydraulic brake valve of the invention.
In figure:1- valve body;The first leather cup of 2-;The first sealing ring of 3-;4- spool;The second leather cup of 5-;6- reset spring;7- Two sealing rings;8- thrust bolt;9- plug;10- third sealing ring;Main pump before 11-;Wheel cylinder before 12-;Main pump after 13-;After 14- Wheel cylinder;15- front vehicle wheel;16- rear wheel.
Specific embodiment
With reference to the accompanying drawing and specific embodiment the present invention is further elaborated.
Embodiment 1:
As shown in Fig. 2, a kind of hydraulic brake valve of the present embodiment, including hollow valve body 1 and is slidably arranged in described The spool 4 of 1 hollow portion of valve body;The hollow space of valve body 1 is divided into the first cavity and the second cavity by the spool 4;Described first Cavity is respectively equipped with first entrance and first outlet;Second cavity is respectively equipped with second entrance and second outlet.
As shown in Figure 1, one of the present embodiment brake fluid system, including above-mentioned hydraulic brake valve, it further include preceding master Pump 11, preceding wheel cylinder 12, rear main pump 13 and rear wheel cylinder 14;The outlet and the first entrance of first cavity of main pump 13 after described The entrance of connection, the rear wheel cylinder 14 is connect with the first outlet of the first cavity;The outlet of the preceding main pump 11 and described second The second entrance of cavity connects, and the entrance of the preceding wheel cylinder 12 is connect with the second outlet of the second cavity.
Working principle:
Referring to Fig. 2, preceding main pump 11 and preceding wheel cylinder 12 by oil pipe and cross oil draining bolt and the second chamber respectively in the present embodiment Body connection;Main pump 13 and rear wheel cylinder 14 pass through oil pipe respectively and cross oil draining bolt and be connected to the first cavity afterwards.In use, please join Fig. 1 is read, preceding wheel cylinder 12 is connected to the hydraulic braking disk on front vehicle wheel 15 first, and rear wheel cylinder 14 is connected on rear wheel 16 Hydraulic braking disk.When only braking front vehicle wheel 15, preceding main pump 11 through E mouthfuls of the second cavitys of feeding, then enters oil by F mouthfuls The oil pocket of preceding wheel cylinder 12 simultaneously pushes piston to generate braking, at this point, oil can not enter the first cavity, because hereafter main pump 13, after Any one parts damages such as wheel cylinder 14 and oil pipe will not influence the normal brake application of front vehicle wheel 15.
When only braking rear wheel 16, the oil pocket of wheel cylinder 14 is pushed away after rear main pump 13 successively enters oil after A mouthfuls and B mouthfuls It after piston generates brake force, is moved forward through oil through C mouthfuls of promotion spools 4 under the action of interior pressure, to reach front and back connection It is dynamic.And the oil of the first cavity can not enter in the second cavity, because main pump 11, preceding wheel cylinder 12 and oil pipe etc. damage before this, Can't brake to rear wheel 16 has any influence.But when oil pipe break on the damage of preceding wheel cylinder 12 or preceding wheel cylinder 12, spool 4 Displacement increases, and will affect the stroke of the braking of rear wheel 16, however the oil in the first cavity can't leak, as long as increasing is made after stepping on The distance of swing arm can equally reach the braking of rear wheel 16, can satisfy the failure requirement of Europe superscript.
It should be noted that for braking front vehicle wheel 15 and braking the hydraulic braking disk of rear wheel 16 using the prior art It realizes, does not belong to the scope of protection of the present invention, therefore, be not set forth in detail herein.
Embodiment 2:
As shown in Fig. 2, a kind of hydraulic brake valve of the present embodiment, including hollow valve body 1 and is slidably arranged in described The spool 4 of 1 hollow portion of valve body;The hollow space of valve body 1 is divided into the first cavity and the second cavity by the spool 4;Described first Cavity is respectively equipped with first entrance and first outlet;Second cavity is respectively equipped with second entrance and second outlet.
As shown in Figure 1, one of the present embodiment brake fluid system, including above-mentioned hydraulic brake valve, it further include preceding master Pump 11, preceding wheel cylinder 12, rear main pump 13 and rear wheel cylinder 14;The outlet and the first entrance of first cavity of main pump 13 after described The entrance of connection, the rear wheel cylinder 14 is connect with the first outlet of the first cavity;The outlet of the preceding main pump 11 and described second The second entrance of cavity connects, and the entrance of the preceding wheel cylinder 12 is connect with the second outlet of the second cavity.
In the present embodiment, in order to make spool 4 automatically reset, referring to Fig. 2, spool 4 is connected with the reset dress for resetting it It sets.It resets and refers to herein, spool 4 is returned to original state by working condition.Resetting apparatus, which can use, can push spool 4 sliding The prior arts such as dynamic cylinder, oil cylinder and electric cylinders are realized.Referring to Fig. 2, the resetting apparatus in the present embodiment is reset spring 6;The both ends of reset spring 6 are born against on the spool 4 and valve body 1.Preferably, reset spring 6 is using elastic constant Constant load spring.To guarantee the oil pressure of the oil in the first cavity and the second cavity.It should be noted that resetting bullet in Fig. 2 Spring 6 is compressed spring, and is arranged in the second cavity, but is not limited only to this, as long as can be realized the work in embodiment 1 Make principle, reset spring 6 can be extension spring and be also possible to compressed spring, both may be mounted in the first cavity, can also be with It is mounted in the second cavity.
Embodiment 3:
As shown in Fig. 2, a kind of hydraulic brake valve of the present embodiment, including hollow valve body 1 and is slidably arranged in described The spool 4 of 1 hollow portion of valve body;The hollow space of valve body 1 is divided into the first cavity and the second cavity by the spool 4;Described first Cavity is respectively equipped with first entrance and first outlet;Second cavity is respectively equipped with second entrance and second outlet.
As shown in Figure 1, one of the present embodiment brake fluid system, including above-mentioned hydraulic brake valve, it further include preceding master Pump 11, preceding wheel cylinder 12, rear main pump 13 and rear wheel cylinder 14;The outlet and the first entrance of first cavity of main pump 13 after described The entrance of connection, the rear wheel cylinder 14 is connect with the first outlet of the first cavity;The outlet of the preceding main pump 11 and described second The second entrance of cavity connects, and the entrance of the preceding wheel cylinder 12 is connect with the second outlet of the second cavity.
In the present embodiment, in order to make spool 4 automatically reset, referring to Fig. 2, spool 4 is connected with the reset bullet for resetting it Spring 6;The both ends of reset spring 6 are born against on the spool 4 and valve body 1.
It pushes spool 4 mobile for convenience of the oil of the first cavity, and can be realized sealing, referring to Fig. 2, spool 4 is close to the One end of one cavity is provided with the first leather cup 2;Spool 4 is provided with the second leather cup 5 close to one end of the second cavity;First skin The opening of bowl 2 and the second leather cup 5 is back to setting.
For the sealing performance being further ensured that between the first cavity and the second cavity, referring to Fig. 2, the periphery of spool 4 On offer sealing ring mounting groove;The first sealing ring 3 is provided in the sealing ring mounting groove.
Embodiment 4:
As shown in Fig. 2, a kind of hydraulic brake valve of the present embodiment, including hollow valve body 1 and is slidably arranged in described The spool 4 of 1 hollow portion of valve body;The hollow space of valve body 1 is divided into the first cavity and the second cavity by the spool 4;Described first Cavity is respectively equipped with first entrance and first outlet;Second cavity is respectively equipped with second entrance and second outlet.
As shown in Figure 1, one of the present embodiment brake fluid system, including above-mentioned hydraulic brake valve, it further include preceding master Pump 11, preceding wheel cylinder 12, rear main pump 13 and rear wheel cylinder 14;The outlet and the first entrance of first cavity of main pump 13 after described The entrance of connection, the rear wheel cylinder 14 is connect with the first outlet of the first cavity;The outlet of the preceding main pump 11 and described second The second entrance of cavity connects, and the entrance of the preceding wheel cylinder 12 is connect with the second outlet of the second cavity.
In the present embodiment, in order to make spool 4 automatically reset, referring to Fig. 2, spool 4 is connected with the reset bullet for resetting it Spring 6;The both ends of reset spring 6 are born against on the spool 4 and valve body 1.
It pushes spool 4 mobile for convenience of the oil of the first cavity, and can be realized sealing, referring to Fig. 2, spool 4 is close to the One end of one cavity is provided with the first leather cup 2;Spool 4 is provided with the second leather cup 5 close to one end of the second cavity;First skin The opening of bowl 2 and the second leather cup 5 is back to setting.
For the sealing performance being further ensured that between the first cavity and the second cavity, referring to Fig. 2, the periphery of spool 4 On offer sealing ring mounting groove;The first sealing ring 3 is provided in the sealing ring mounting groove.
In order to facilitate spool 4 installation and reduce difficulty of processing, in the present embodiment, referring to Fig. 2, the second cavity is separate One end of spool 4 is connected with plug 9;The both ends of the reset spring 6 are born against on the spool 4 and plug 9.
To fully ensure that the sealing between plug 9 and the second cavity, in the present embodiment, referring to Fig. 2, plug 9 include with The thread segment that second cavity is threadedly coupled;One end of the thread segment towards spool 4 is fixed with block section;The thread segment it is straight Diameter is greater than the diameter of block section;The second sealing ring 7 is provided between the block section and the second cavity.
For the sealing being further ensured that between plug 9 and the second cavity, in the present embodiment, referring to Fig. 2, thread segment and Third sealing ring 10 is provided between two cavitys.
In the present embodiment, plug 9 loosens in order to prevent, causes plug 9 to fall off, referring to Fig. 2, being threadedly coupled on valve body 1 There is Dogbolt 8;Plug 9 is pressed on valve body 1 by the head of the Dogbolt 8.
The present invention is not limited to above-mentioned optional embodiment, anyone can show that other are various under the inspiration of the present invention The product of form, however, make any variation in its shape or structure, it is all to fall into the claims in the present invention confining spectrum Technical solution, be within the scope of the present invention.

Claims (10)

1. a kind of hydraulic brake valve, it is characterised in that:Including hollow valve body (1) and it is slidably arranged in the valve body (1) The spool (4) in empty portion;The hollow space of valve body (1) is divided into the first cavity and the second cavity by the spool (4);First chamber Body is respectively equipped with first entrance and first outlet;Second cavity is respectively equipped with second entrance and second outlet.
2. a kind of hydraulic brake valve according to claim 1, it is characterised in that:The spool (4), which is connected with, makes its recovery The resetting apparatus of original state.
3. a kind of hydraulic brake valve according to claim 2, it is characterised in that:The resetting apparatus is reset spring (6); The both ends of the reset spring (6) are born against on the spool (4) and valve body (1).
4. a kind of hydraulic brake valve according to claim 3, it is characterised in that:The spool (4) is close to the first cavity One end is provided with the first leather cup (2);Spool (4) is provided with the second leather cup (5) close to one end of the second cavity;First leather cup (2) and the opening of the second leather cup (5) is back to setting.
5. a kind of hydraulic brake valve according to claim 3, it is characterised in that:It is opened up on the periphery of the spool (4) There is sealing ring mounting groove;The first sealing ring (3) are provided in the sealing ring mounting groove.
6. a kind of hydraulic brake valve according to claim 3, it is characterised in that:Second cavity is far from spool (4) One end is connected with plug (9);The both ends of the reset spring (6) are born against on the spool (4) and plug (9).
7. a kind of hydraulic brake valve according to claim 6, it is characterised in that:The plug (9) includes and the second cavity The thread segment of threaded connection is provided with third sealing ring (10) between the thread segment and the second cavity, the thread segment direction One end of spool (4) is fixed with block section, and the diameter of the thread segment is greater than the diameter of block section;The block section and the second chamber The second sealing ring (7) are provided between body.
8. a kind of hydraulic brake valve according to claim 6, it is characterised in that:It is threaded with only on the valve body (1) Move back bolt (8);Plug (9) is pressed on valve body (1) by the head of the Dogbolt (8).
9. a kind of brake fluid system, it is characterised in that:Including hydraulic brake valve described in claim 1-8 any one.
10. a kind of brake fluid system according to claim 9, it is characterised in that:It further include preceding main pump (11), preceding wheel cylinder (12), rear main pump (13) and rear wheel cylinder (14);The outlet of main pump (13) connects with the first entrance of first cavity after described It connects, the entrance of the rear wheel cylinder (14) is connect with the first outlet of the first cavity;The outlet of the preceding main pump (11) and described the The second entrance of two cavitys connects, and the entrance of the preceding wheel cylinder (12) is connect with the second outlet of the second cavity.
CN201810769656.8A 2018-07-13 2018-07-13 A kind of hydraulic brake valve and brake fluid system Pending CN108916146A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810769656.8A CN108916146A (en) 2018-07-13 2018-07-13 A kind of hydraulic brake valve and brake fluid system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810769656.8A CN108916146A (en) 2018-07-13 2018-07-13 A kind of hydraulic brake valve and brake fluid system

Publications (1)

Publication Number Publication Date
CN108916146A true CN108916146A (en) 2018-11-30

Family

ID=64411538

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810769656.8A Pending CN108916146A (en) 2018-07-13 2018-07-13 A kind of hydraulic brake valve and brake fluid system

Country Status (1)

Country Link
CN (1) CN108916146A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI754378B (en) * 2020-09-11 2022-02-01 明鴻工業股份有限公司 Pressure distribution control system

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1887624A (en) * 2006-06-12 2007-01-03 玉环凯凌集团有限公司 Interlocked front and back hydraulic valves
CN102582759A (en) * 2012-02-22 2012-07-18 隆鑫通用动力股份有限公司 Linkage brake valve and motorcycle provided with the same

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1887624A (en) * 2006-06-12 2007-01-03 玉环凯凌集团有限公司 Interlocked front and back hydraulic valves
CN102582759A (en) * 2012-02-22 2012-07-18 隆鑫通用动力股份有限公司 Linkage brake valve and motorcycle provided with the same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI754378B (en) * 2020-09-11 2022-02-01 明鴻工業股份有限公司 Pressure distribution control system

Similar Documents

Publication Publication Date Title
CN1461716A (en) Emergency brake device of vehicle
CN108916146A (en) A kind of hydraulic brake valve and brake fluid system
CN102431532B (en) Two-dragging-three type front-rear linkage brake
CN201095361Y (en) Shunt valve for brake system
CN205345257U (en) Manual brake system is united to dish behind preceding dish
CN203974933U (en) The construction machinery and equipment skid steer system that a kind of front-wheel preferentially turns to
CN203920888U (en) A kind of construction machinery and equipment skid steer system
CN204368122U (en) A kind of assist brake mechanism anti-skidding for self-propelled vehicle ice and snow road
US9133863B2 (en) Optimized hydraulic control device for minimizing locking of a brake system in a two-wheeled vehicle
CN104554196A (en) Auxiliary braking mechanism for skid resistance of motor vehicle on ice-snow pavement
CN212202914U (en) Hand brake front-rear linkage disc brake system of reverse three-wheeled motor vehicle
CN203627614U (en) Brake caliper assembly of mechanical parking mechanism of light bus
GB1085188A (en) Control valve
CN204197204U (en) The main pump assembly of brake for motorcycle
CN107662596B (en) Automobile electrically-controlled braking system
CN102494061A (en) Brake master cylinder assembly
CN211223744U (en) CBS linkage structure and motorcycle and electric vehicle adopting same
CN110901616A (en) Electric locomotive piston braking device
CN104085443A (en) Engineering machine mechanical braking and steering system with preferentially steering front wheels
CN201136496Y (en) Anti-blocking brake device for two-wheeled vehicle
CN217706150U (en) Electric bicycle brake system and electric bicycle
CN201169258Y (en) Braking device of four-wheel motorcycle
CN104118412A (en) Vehicle hydraulic brake pressurizer and brake pressure distributing system
CN219821406U (en) Linkage brake proportional valve
CN217477493U (en) CBS disc brake

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20181130