CN2302929Y - Hydraulic braking device for agricultural motor tri-cycle - Google Patents
Hydraulic braking device for agricultural motor tri-cycle Download PDFInfo
- Publication number
- CN2302929Y CN2302929Y CN 97219065 CN97219065U CN2302929Y CN 2302929 Y CN2302929 Y CN 2302929Y CN 97219065 CN97219065 CN 97219065 CN 97219065 U CN97219065 U CN 97219065U CN 2302929 Y CN2302929 Y CN 2302929Y
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- China
- Prior art keywords
- cylinder
- master
- braking
- hydraulic brake
- brake system
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- 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.)
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Abstract
The utility model relates to a hydraulic braking device for an agricultural motor tri-cycle, a hydraulic braking main cylinder with a single chamber is arranged on the bottom of a braking pedal of the agricultural motor tri-cycle; two wheel cylinders are arranged on a rear axle; the main cylinder and the wheel cylinders are coupled through high-pressure pipelines; a braking liquid storage tank is fixed in a front baffleplate and is communicated with the braking main cylinder through a patent oil proof pipeline. During braking, the brake force can be orderly transferred through the braking pedal when brake fluid is used as medium; the ideal braking effect can be achieved. The utility model has the advantages of reasonable structure, reliable performance, safety, labour saving, etc. The utility model is an ideal braking device for the agricultural motor tri-cycle.
Description
The utility model relates to a kind of agricultural motor tricycle hydraulic brake system.
At present, the brake equipment of agricultural motor tricycle all adopts simple lever principle, and braking force makes wheel braking after being delivered to rear drum successively by stretcher etc.This kind mode is less at such vehicle power, no doubt there are the characteristics that it is simple in structure, cost is lower the little starting stage of the speed of a motor vehicle and load carrying ability, but along with such vehicle continues to increase power for the needs that adapt to peasant's road transport, under the situation that the speed of a motor vehicle and load carrying ability also improve thereupon, it is poor that this kind brake mode just exposes the deceleration and stopping performance safe reliability, and brake ineffective, the shortcoming of braking effort.
The purpose of this utility model is a kind of single chamber of design hydraulic brake system, and it can simply and effectively solve the problems of the technologies described above, thereby guarantees the sensitive reliable and safety labor-saving of such vehicle braking performances.
The utility model is achieved in that it is to be provided with single chamber hydraulic brake master (8) in agricultural motor tricycle braking footrest bottom; Design has left and right two wheel cylinders (13) (14) on the back axle of vehicle; Connect with pressure duct (12) between master cylinder (8) and the wheel cylinder (13) (14).Be provided with braking liquid liquid storage tank (10) in vehicle front baffle board the inside, liquid storage tank is by special-purpose oil resistant pipeline (11) and master brake cylinder UNICOM, one end of brake master cylinder piston push rod (3) is joined by jam nut (2) and stretcher connecting rod, the other end and master cylinder piston (5) join, master brake cylinder push rod (3) has a dust boot (4) with the cylinder body joint portion, also be provided with pressure spring (7) in the master cylinder, simultaneously, be provided with a unidirectional pressure retaining valve (9) in master cylinder (8) and wheel cylinder (13) (14) pipeline bonded assembly exit, the top of pressure spring is provided with a compensation orifice (6), the cylinder body of wheel cylinder (13) (14) is provided with aie escape valve (15) (16), be provided with leather cup (17) near aie escape valve one end, outer end at wheelcylinder piston (18) (19) is connected with two cams (21) by holding screw (20), entertains two brake straps (22) on the cam.
The utility model is compared with original technology, has simple in structure, cheap, sensitive reliable, laborsaving safe characteristics, is the comparatively desirable brake gear of present agricultural motor tricycle.
Concrete structure of the present utility model also can be provided by accompanying drawing and following embodiment:
Accompanying drawing is the axial cutaway view of hydraulic brake system.
Wherein: 1. stretcher, 2. jam nut, 3. master cylinder connecting link, 4. dust boot, 5. master cylinder piston, 6. compensation orifice, 7. master cylinder pressure spring, 8. master cylinder, 9. unidirectional pressure retaining valve, 10. liquid storage tank, 11. oil resistant pipes, 12. high-pressure pipe, 13. right wheel cylinders, 14. revolver cylinders, 15., 16. aie escape valves, 17. leather cups, 18,19. wheelcylinder pistons, 20. clamp nut, 21. cams, 22. brake shoes.
The agricultural motor tricycle hydraulic brake system is on specific design, it is hydraulic brake master in a single chamber of stretcher bottom design of agricultural motor tricycle, the high workload hydraulic pressure of hydraulic brake master is 10Mpa, on the back axle of vehicle, respectively design a wheel cylinder, adopt pressure duct to connect between master cylinder and the wheel cylinder, good-looking for overall appearance, specially the braking liquid liquid storage tank is fixed on vehicle front baffle board the inside, it is by special-purpose oil resistant and road and master brake cylinder UNICOM.Glancing impact, braking force are that medium transmits successively through braking footrest and with the braking liquid, that is:
Braking footrest → brake master cylinder piston push rod → master cylinder piston → pressure duct → two wheel cylinder → brake shoe expander → wheel hub, thus reach desirable braking effect.In addition, the utility model needs only at connection and connects change a little on the size, just can adapt to the agricultural motor tricycle of the different model of each manufacturer's manufacturing at present.
Claims (8)
1, a kind of agricultural motor tricycle hydraulic brake system, it is characterized in that being provided with in its braking footrest (1) bottom single chamber hydraulic brake master (8), it is connected with left and right two wheel cylinders (13) (14) on the vehicle rear axle by pressure duct (12).
2,, it is characterized in that a braking liquid liquid storage tank (10) being housed and passing through special-purpose oil resistant pipeline (11) and master brake cylinder (8) UNICOM in vehicle front baffle board the inside according to the described hydraulic brake system of claim 1.
3, according to the described hydraulic brake system of claim 1, an end that it is characterized in that brake master cylinder piston push rod (3) is joined by jam nut (2) and stretcher connecting rod, one end and master cylinder piston (5) join, and master brake cylinder push rod (3) has a dust boot (4) with the cylinder body joint portion.
4,, it is characterized in that in master brake cylinder (8), also being provided with pressure spring (7) according to the described hydraulic brake system of claim 1.
5,, it is characterized in that being provided with a unidirectional pressure retaining valve (9) in master brake cylinder (8) and wheel cylinder (13) (14) pipeline bonded assembly exit according to the described hydraulic brake system of claim 1.
6,, it is characterized in that on master brake cylinder (8), being provided with compensation orifice (6) according to the described hydraulic brake system of claim 1.
7, according to the described hydraulic brake system of claim 1, it is characterized in that on wheel cylinder (13) (14), being equipped with venting palace gate (15) (16), be equipped with leather cup (17) in two cylinder bodies.
8,, it is characterized in that on piston (18) (19) connecting rod of wheel cylinder (13) (14), being connected with two identical brake straps (22) with holding screw (20) according to the described hydraulic brake system of claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97219065 CN2302929Y (en) | 1997-06-26 | 1997-06-26 | Hydraulic braking device for agricultural motor tri-cycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97219065 CN2302929Y (en) | 1997-06-26 | 1997-06-26 | Hydraulic braking device for agricultural motor tri-cycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2302929Y true CN2302929Y (en) | 1999-01-06 |
Family
ID=33935198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 97219065 Ceased CN2302929Y (en) | 1997-06-26 | 1997-06-26 | Hydraulic braking device for agricultural motor tri-cycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2302929Y (en) |
-
1997
- 1997-06-26 CN CN 97219065 patent/CN2302929Y/en not_active Ceased
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| C35 | Partial or whole invalidation of patent or utility model | ||
| IW01 | Full invalidation of patent right |
Decision date of declaring invalidation: 20010306 Decision number of declaring invalidation: 2994 |