CN203237370U - Main pump assembly of electric motorcycle - Google Patents
Main pump assembly of electric motorcycle Download PDFInfo
- Publication number
- CN203237370U CN203237370U CN 201320275984 CN201320275984U CN203237370U CN 203237370 U CN203237370 U CN 203237370U CN 201320275984 CN201320275984 CN 201320275984 CN 201320275984 U CN201320275984 U CN 201320275984U CN 203237370 U CN203237370 U CN 203237370U
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- main pump
- oil
- pump piston
- cup
- hole
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- Expired - Fee Related
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Abstract
The utility model discloses a main pump assembly of an electric motorcycle. The main pump assembly of the electric motorcycle comprises a handle (7), a main pump shell body (1), an oil inlet bolt (13), a main pump piston (17), an oil cup (2) and a braking switch (3), wherein an oil passing hole (23) is formed between the main pump shell body and the oil cup, a front leather cup (14) is installed at the front end of the main pump piston, an O-shaped sealing ring (18) is installed at the rear end of the main pump piston, the oil passing hole (23) is located at the lowest point of the oil cup, and a small main pump piston hole (25) is formed in the main pump piston near the front leather cup. Due to the bi-directional sealing property of the O-shaped sealing ring, certain negative pressure is generated in a main pump piston restoring process, braking pressure can be released faster by a braking cylinder assembly, and then sensitivity of a braking system is improved. Due to the fact that the oil passing hole is directly formed when the main pump shell body is formed, separate machining of the oil passing hole is not needed, machining processes are simplified, and machining cost is saved. Therefore, the braking performance of a brake is improved, and driving safety is greatly improved.
Description
Technical field
The present invention relates to a kind of drg, specifically relate to a kind of battery-operated motor cycle main pump assembly.
Background technology
At present, the electric motorcycle vehicle brake is the integral type drg, comprises brake disc, brake clamp (namely dividing pump assembly), main pump assembly and oil pipe assembly, and its brake disc is exposed in the air and high speed rotating, and radiating effect is good; Deceleration and stopping performance is stable; Brake disc is followed wheel and is rotated together, can throw away water or mud, so water is restorative better; Deceleration and stopping performance is stable, has greatly improved the safety of driving; Long service life and at when braking noiselessness, it is convenient to change.Its main pump assembly is directly driven the main pump piston and realizes flowing of hydraulic oil by lever operated control, whether pass in and out minute braking of pump assembly realization vehicle by the oil pipe assembly again.
Front leather cup, rear leather cup are housed between the main pump housing of described main pump assembly and the main pump piston, during installation, leather cup is to adopt to be enclosed within first on the main pump piston before the tradition, fill in together again main pump piston hole mode, cup leather packing lip flop phenomenon before the main pump piston ports easily causes causes brake system to lose efficacy; In main pump piston return process, rear leather cup in the tradition main pump assembly only has unmarried sealing function, system can not produce certain negative pressure during return, can not make quickly releasing brake pressure of brake cylinder assembly, causes car brakeing dynamics, sensitivity to affect to some extent.And the lubricating cup of main pump assembly bottom is designed for horizontal, and the other reprocessing of its oil-through hole needs and aperture are less, thereby has affected the overall performance of drg.
Summary of the invention
The object of the invention is to overcome above-mentioned deficiency, and provide a kind of insensitivity battery-operated motor cycle main pump assembly good, easy for installation.
Purpose of the present invention realizes by following technical solution: battery-operated motor cycle main pump assembly, comprise handle, main pump housing, oil-feed bolt, main pump piston, lubricating cup, BK Brake Switch, be peripherally equipped with pull back spring and spring perch at this main pump piston, has oil-through hole between this main pump housing and the lubricating cup, leather cup before the front end of described main pump piston is equipped with is equipped with the O RunddichtringO in the rear end of described main pump piston; Described oil-through hole is in the nadir of lubricating cup, and on described main pump piston, and have main pump piston aperture near front leather cup place, this main pump housing and oil-through hole are integrated.
After adopting structure of the present invention, can adopt and in the main pump housing, fill first front leather cup, refill the spring perch mode, outer gland sealing adopts the O RunddichtringO to replace former rear leather cup simultaneously, because the two way seal characteristic of O RunddichtringO, in the process of main pump piston return, can produce certain negative pressure, make quickly releasing brake pressure of brake cylinder assembly, thereby improve the sensitieness of brake system; Oil-through hole directly generates when the moulding of main pump housing, does not need to reprocess oil-through hole, reduces manufacturing procedure, saves tooling cost.Thereby improved quality and the deceleration and stopping performance of drg, greatly improved the safety of driving.
Description of drawings
The present invention is described in further detail below in conjunction with accompanying drawing and embodiment.
Fig. 1 is the structural representation of battery-operated motor cycle main pump assembly of the present invention.
Fig. 2 is the upward view of Fig. 1.
Fig. 3 is the A-A cutaway view of Fig. 1.
The specific embodiment
Referring to figs. 1 through Fig. 3 as can be known, battery-operated motor cycle main pump assembly of the present invention, comprise handle 7 (and screw of handle 6, handle nut 10), main pump housing 1, oil-feed bolt 13, main pump piston 17, lubricating cup 2 (contains oil cup cap, has oil sump 22), BK Brake Switch 3, be peripherally equipped with pull back spring 16 and spring perch 15 at this main pump piston 17, has oil-through hole 23 between this main pump housing 1 and the lubricating cup 2, front end (being the spring perch limit) at described main pump piston 17 is equipped with front leather cup 14, and O RunddichtringO 18 (being round section joint ring) is housed in the rear end of described main pump piston 17; Described oil-through hole 23 is in the nadir of lubricating cup 2, and on described main pump piston 17, and have main pump piston aperture 25 near front leather cup place, this main pump housing 1 is integrated with oil-through hole 23.
Wherein, main pump housing 1 is one-piece construction with lubricating cup 2, and the bottom of described lubricating cup 2 forms step-like, and oil-through hole 23 is in the nadir of lubricating cup 2 and braking liquid flow velocity in lubricating cup is accelerated.Front leather cup 14, O RunddichtringO 18 are in position between main pump housing 1 and the main pump piston 17.Between the rear end of described main pump piston 17 and main pump housing 1, pad 19, dust boot 21 and dust boot deck 20 are housed also.Lubricating cup pad 12 and lubricating cup liner 11 thereof also are equipped with in the top of lubricating cup 2.BK Brake Switch 3 is contained on the main pump housing 1 and joins with handle 7.Form main pump plunger shaft 24 between the front portion of main pump piston 17 (pull back spring place) and the main pump housing 1.Back mirror bearing 5 and bearing screw 4 also are housed on described main pump housing 1; The bottom of described main pump housing 1 is connected with half lid 8 and partly covers screw 9, is used for this main pump assembly is easily installed in vehicle.
Such as Fig. 1, shown in Figure 3, during the non-braking of vehicle, main pump plunger shaft 24 communicates with the oil sump 22 of lubricating cup by oil-through hole 23 and main pump piston aperture 25, and main pump plunger shaft 24 internal pressures are normal pressure, and brake system does not produce braking force.When vehicle need to be braked, operating personal was held tight handle 7 and is utilized lever principle, and promotion main pump piston 17 forward (left) is mobile, and after main pump piston aperture 25 was crossed the seal lip of front leather cup 14, main pump plunger shaft 24 formed confined spaces; Along with the main pump piston continues to move ahead, the hydraulic coupling in the main pump plunger shaft 24 is risen, and pass to the brake cylinder assembly by oil pipe, brake system produces braking force.After end of braking, release handle 7, utilize the characteristic of pull back spring 16 and main pump piston 17 returns, after the main pump piston aperture 25 reverse (to the right) on the main pump piston is crossed the seal lip of front leather cup 14, oil-through hole 23 and main pump piston aperture 25 communicate with oil sump 22, main pump plunger shaft internal pressure transfers normal pressure to, thus the braking releasing, and vehicle can continue to travel.
Directly adopt the oil-through hole structure on this main pump housing 1, when 1 moulding of main pump housing, directly generate, do not need to reprocess oil-through hole, reduce manufacturing procedure, save tooling cost, and the aperture of this oil-through hole 23 can strengthen suitably, to accelerate the flowing velocity of braking liquid, remove simultaneously the restriction that the main pump housing is necessary for metallic material (aluminum alloy), enlarged the range of choice of its material.The material of described main pump housing 1 is engineering plastics, and this main pump housing 1 is integrated with oil-through hole 23, disposal molding, do not need to process, and weight is lighter, cost is lower again.The Main Ingredients and Appearance of described main pump housing 1 material is that polyphthalamide (is commonly called as the aromatic high-temperature nylon, be called for short PPA, it has the Combination property of the remarkable aspects such as heat, electricity, physics and chemical resistance, at 200 ℃ continuous high temperatures, humidity, greasy dirt and have in the harsh working environment such as chemical corrosivity the still splendid mechanical specialities of tool) with the combination of glass fibre.In order to make the main pump piston advance more smooth and easyly, lever operated lighter, on the inwall of described main pump housing 1 and be in oil-through hole 23 positions and be provided with groove 26.
During installation, leather cup is to adopt to be enclosed within first on the main pump piston before the tradition, fills in together main pump piston hole mode again, and cup leather packing lip flop phenomenon before the main pump piston ports easily causes causes brake system to lose efficacy.Leather cup 14 before the present invention then can adopt and fill first in the main pump housing refills spring perch 15 modes, and outer gland sealing adopts O RunddichtringO 18 to replace former rear leather cup simultaneously, and the defective mounting of traditional main pump assembly has effectively been avoided in this two places improvement.In main pump piston return process, the rear leather cup in traditional main pump assembly only has unmarried sealing function, and system can not produce certain negative pressure during return.Because the two way seal characteristic of O RunddichtringO can produce certain negative pressure in the process of main pump piston 17 returns, make quickly releasing brake pressure of brake cylinder assembly, thereby improves the sensitieness of brake system.
Claims (2)
1. battery-operated motor cycle main pump assembly, comprise handle (7), main pump housing (1), oil-feed bolt (13), main pump piston (17), lubricating cup (2), BK Brake Switch (3), be peripherally equipped with pull back spring (16) and spring perch (15) at this main pump piston (17), has oil-through hole (23) between this main pump housing (1) and the lubricating cup (2), it is characterized in that: the front end at described main pump piston (17) is equipped with front leather cup (14), in the rear end of described main pump piston (17) O RunddichtringO (18) is housed; Described oil-through hole (23) is in the nadir of lubricating cup (2), and upper, also close front leather cup place has main pump piston aperture (25) at described main pump piston (17), and this main pump housing (1) is integrated with oil-through hole (23).
2. battery-operated motor cycle main pump assembly as claimed in claim 1 is characterized in that: on the inwall of described main pump housing (1) and be in oil-through hole (23) position and be provided with groove (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320275984 CN203237370U (en) | 2013-05-06 | 2013-05-06 | Main pump assembly of electric motorcycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320275984 CN203237370U (en) | 2013-05-06 | 2013-05-06 | Main pump assembly of electric motorcycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203237370U true CN203237370U (en) | 2013-10-16 |
Family
ID=49314693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320275984 Expired - Fee Related CN203237370U (en) | 2013-05-06 | 2013-05-06 | Main pump assembly of electric motorcycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203237370U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104071290A (en) * | 2014-06-27 | 2014-10-01 | 瑞安市金吉机车零部件有限公司 | Motorcycle handle brake device with switch knob type parking mechanism |
-
2013
- 2013-05-06 CN CN 201320275984 patent/CN203237370U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104071290A (en) * | 2014-06-27 | 2014-10-01 | 瑞安市金吉机车零部件有限公司 | Motorcycle handle brake device with switch knob type parking mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131016 Termination date: 20150506 |
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| EXPY | Termination of patent right or utility model |