CN101614257B - Oil hydraulic cylinder for braking - Google Patents
Oil hydraulic cylinder for braking Download PDFInfo
- Publication number
- CN101614257B CN101614257B CN2008101264054A CN200810126405A CN101614257B CN 101614257 B CN101614257 B CN 101614257B CN 2008101264054 A CN2008101264054 A CN 2008101264054A CN 200810126405 A CN200810126405 A CN 200810126405A CN 101614257 B CN101614257 B CN 101614257B
- Authority
- CN
- China
- Prior art keywords
- room
- hydraulic cylinder
- oil
- piston
- valve
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Braking Arrangements (AREA)
Abstract
The invention relates to an oil hydraulic cylinder for braking. The oil hydraulic cylinder used for a pair of calipers for braking comprises an oil hydraulic cylinder body and a piston, wherein the oil hydraulic cylinder body is provided with an accommodation space horizontally arranged inside the oil hydraulic cylinder body for accommodating the piston movably in a sealing state. The accommodation space is divided into a first accommodation chamber and a second accommodation chamber, wherein the diameter of the second accommodation chamber is smaller than that of the first accommodation chamber. The piston is provided with a first part and a second part which are respectively and adjacently arranged in the first accommodation chamber and the second accommodation chamber in a movable and sealing state. The oil hydraulic cylinder provides different braking powers of two stages and does not have the phenomenon of deadlock or out of control due to oversized braking power. With simple structure, the oil hydraulic cylinder is easy to manufacture and assemble.
Description
Technical field
The present invention relates to a kind of brake apparatus, relate in particular to a kind of simple in structurely, reduce manufacture cost, and have the oil hydraulic cylinder for braking of two stages brake effect.
Background technique
The prior oil pressure brake comprises a brake handgrip and brake clamp, these brake clamp are connected with brake handgrip by an oil pipe, this brake handgrip is the handle that is installed on bicycle or motorcycle, these brake clamp are vehicle frame or the front forks that are installed on bicycle or motorcycle, connection by oil pipe, brake fluid is communicated between brake handgrip and the brake clamp, this brake handgrip comprises one first oil hydraulic cylinder and leader, this handle is connected with first oil hydraulic cylinder, this first oil hydraulic cylinder has one first oil-hydraulic cylinder and a first piston, this first piston is arranged in first oil-hydraulic cylinder, these brake clamp comprise one second oil hydraulic cylinder, and this second oil hydraulic cylinder has one second oil-hydraulic cylinder and one second piston, and this second piston is arranged in second oil-hydraulic cylinder, when brake, the pull handle interlock drives first piston, and oil pressure is transferred to second oil hydraulic cylinder by first oil hydraulic cylinder, and therefore second piston is released by oil pressure, promote brake block (brake shoe) friction brake disc, produce the brake effect.Yet there is the excessive problem of brake strength in existing structure, when putting brakes on violently, may be because brake strength be excessive, and cause overturning or the problem of wheel deadlock, thereby cause the rider out of hand and injured.
Other existing structure that can prevent deadlock exists complex structure again, and the various problem of member, and the cost that causes processing, assembling rises, and makes product competitive ability reduce.
Existing oil hydraulic cylinder for braking can't be distinguished the different phase of slowing down or putting brakes on violently and use different brake strength.
Summary of the invention
Technical problem underlying to be solved by this invention is, overcome the above-mentioned defective that prior art exists, and provide a kind of oil hydraulic cylinder for braking, two stage different brake strength can be provided, it is excessive can not produce brake strength, cause deadlock or phenomenon out of control, and simple in structure, therefore make and assemble easily.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of oil hydraulic cylinder for braking, it is to be used to the clamp of braking, it is characterized in that, comprise an oil-hydraulic cylinder and a piston, wherein: this oil-hydraulic cylinder has a containing space, and this containing space is the inside that lies across oil-hydraulic cylinder, for removable and ccontaining hermetically this piston, this containing space is to divide into first room and second room, and this second room diameter is less than first room; This piston has one first position and one second position, and this first position and second position are respectively removable and hermetically adjacent to first room and second room.
Aforesaid oil hydraulic cylinder for braking, wherein piston is provided with room, at least one perforation, one first hole and one second hole in the sealing, and room is to be communicated with first room by perforation in this, and room is to be communicated with second room by first hole and second hole in being somebody's turn to do.
Aforesaid oil hydraulic cylinder for braking, wherein piston further comprises one first valve and one second valve, this first valve and second valve are corresponding with first hole and second hole respectively, whether are communicated with in order to control.
Aforesaid oil hydraulic cylinder for braking comprises further that wherein one adjusts spring, and this adjustments spring is adjacent to first valve, in order to control the put brakes on violently threshold values in stage of a startup.
The present invention solves its technical problem also can adopt following technological scheme:
A kind of oil hydraulic cylinder for braking, it is to be used for brake handgrip, it is characterized in that, comprise an oil-hydraulic cylinder and a piston, wherein: this oil-hydraulic cylinder has a containing space, and this containing space is the inside that lies across oil-hydraulic cylinder, for removable and ccontaining hermetically this piston, this containing space is to divide into first room and second room, and this second room diameter is less than first room; This piston has one first position and one second position, and this first position and second position are respectively removable and hermetically adjacent to first room and second room; Whereby when the decelerating phase, this first position is to reach the deceleration effect with the first room interaction effect, and when putting brakes on violently the stage, this second position is to reach the effect of putting brakes on violently with the second room interaction effect.
Aforesaid oil hydraulic cylinder for braking, wherein oil-hydraulic cylinder is provided with a first passage and a second channel, and this first passage is to be communicated with first room, and this second channel is to be communicated with second room.
Aforesaid oil hydraulic cylinder for braking, wherein piston comprises one first circular groove and one second circular groove, this first circular groove and second circular groove are to be formed separately in first position and second position, when the decelerating phase, make brake fluid enter first passage by first circular groove, when putting brakes on violently the stage, make brake fluid enter second channel by second circular groove.
Aforesaid oil hydraulic cylinder for braking, wherein oil-hydraulic cylinder comprises one first valve and one second valve, this first valve and second valve are to be located at first passage and second channel respectively, whether are communicated with in order to control.
Aforesaid oil hydraulic cylinder for braking wherein further comprises a feeding sealing block, and this feeding sealing block is to be located at second room and adjacent with an end at second position, for sealing second channel movably.
Aforesaid oil hydraulic cylinder for braking, wherein further comprise a Returnning spring, this Returnning spring is to be located at second room, one end of this Returnning spring is to be fixed in second room, the other end is to be comparable to the feeding sealing block, when the feeding sealing block applied pressure to Returnning spring, Returnning spring pushed back the feeding sealing block, to keep the sealing second channel.
Whereby when the decelerating phase, brake fluid enters first space between first position and first room, in order to promote piston outwards to reach the deceleration effect, when putting brakes on violently the stage, brake fluid enters first space and second space between second position and second room, in order to provide than bigger brake strength of decelerating phase to reach the effect of putting brakes on violently.
The present invention can provide two stage different brake strength, and it is excessive can not produce brake strength, causes deadlock or phenomenon out of control, again, simple element of the present invention and simple in structure, therefore manufacturing and assembling more can promote competitiveness of product easily.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is the perspective exploded view of oil hydraulic cylinder for braking of the present invention.
Fig. 2 is the solid combination schematic representation of oil hydraulic cylinder for braking of the present invention.
Fig. 3 is the generalized section of oil hydraulic cylinder for braking of the present invention.
Fig. 4 is the generalized section of oil hydraulic cylinder for braking of the present invention when the decelerating phase.
Fig. 5 is the generalized section of oil hydraulic cylinder for braking of the present invention when putting brakes on violently the stage.
Fig. 6 is second embodiment's schematic representation of oil hydraulic cylinder for braking of the present invention.
Fig. 7 is second an embodiment's shown in Figure 6 cut-away section schematic representation.
The number in the figure explanation:
10 brake clamp, 20 first oil-hydraulic cylinders, 21 first rooms
22 second rooms, 30 first pistons, 31 first positions
33 perforation, 34 first holes, 32 second positions
35 second holes, 36 first valve, 37 second valve
51 handles, 60 second oil-hydraulic cylinders, 61 first rooms
62 second rooms, 63 first passages, 64 second channels
65 first valve, 66 second valve, 70 second pistons
72 second positions, 71 first positions, 73 first circular grooves
74 second circular grooves, 80 oil pipes, 90 feeding sealing blocks
91 Returnning springs
Embodiment
The present invention is relevant a kind of oil hydraulic cylinder for braking, the present invention can be applicable to means of transportation such as bicycle or motorcycle, now be that embodiment illustrates with the bicycle, present embodiment is an example with this oil hydraulic cylinder clamp 10 that are used to brake, please refer to Fig. 1 to shown in Figure 3, comprise one first oil-hydraulic cylinder 20 and a first piston 30, wherein:
This first oil-hydraulic cylinder 20 has a containing space, this containing space is the inside that lies across first oil-hydraulic cylinder 20, for removable and ccontaining hermetically this first piston 30, this containing space can be according to diameter, divide into first room 21 and second room 22, these second room, 22 diameters are less than first room 21;
This first piston 30 has one first position 31 and one second position 32, this first position 31 and second position 32 are removable respectively and hermetically adjacent to the inner peripheral surface of first room 21 and second room 22, this first piston 30 is provided with room 38 in the sealing, at least one perforation 33, one first hole 34 and one second hole 35, this at least one perforation 33 is to be located at the outer circumferential face at second position 32 and radially to extend into interior room 38, in order to the room 38 in being communicated with and first room 21, this first hole 34 and second hole 35 are to be located at the end of second position 32 with respect to first position 31, and horizontal expansion enters interior room 38, should interior room 38 be to be communicated with second room 22 by first hole 34 and second hole 35, this first piston 30 further comprises one first valve 36 and one second valve 37, this first valve 36 is be located at second position 32 terminal and corresponding with first hole 34, in order to selective switch first hole 34, whether be communicated with control, this second valve 37 is rooms 38 and corresponding with second hole 35 in being located at, in order to selective switch second hole 35, whether be communicated with control;
This oil hydraulic cylinder for braking comprises that further one adjusts spring 40, and this adjustments spring 40 is adjacent to first valve 36, in order to control the put brakes on violently threshold values in stage of a startup.In general, first valve 36 is closed, in order to seal first hole 34, when the oil pressure of interior room 38 is higher than the acting force of the spring of the adjustment spring 40 that acts on first valve 36, first valve 36 is opened, make brake fluid flow into second room 22, therefore, can adjust spring 40 by compression and adjust threshold values; Second valve 37 is a check valve, and in general, second valve 37 is closed, and in order to sealing second hole 35, during the oil pressure of room 38, second valve 37 is opened in the oil pressure of second room 22 is higher than, make brake fluid flow in room 38.
Working procedure of the present invention, see also Fig. 4 and shown in Figure 5, when the decelerating phase (as Fig. 4), brake fluid flows into first room 21 by a brake fluid supplier (as brake handgrip or oil pipe), and at least one perforation 33 of process enters interior room 38, first piston 30 is subjected to oil pressure extrapolated, first position 31 is purposes of finishing the brake of slowing down with first room, 21 interaction effects, simultaneously, the oil pressure of interior room 38 is lower than the acting force of the spring that acts on first valve 36, therefore first valve, 36 sealings, first hole 34.When needs are put brakes on violently, the rider applies bigger strength in brake handgrip, and be passed to the brake clamp 10, the oil pressure of room 38 raises and greater than threshold values in this moment, therefore first valve 36 is opened, put brakes on violently the stage with startup, as shown in Figure 5, brake fluid flows into second room 22 simultaneously, and it is first piston 30 is extrapolated, so that a brake strength big than the decelerating phase to be provided, first position 31 and second position 32 be respectively with first room 21 and second room, 22 interaction effects to finish the purpose of putting brakes on violently; When decontroling brake handgrip, the oil pressure of second room 22 is greater than the oil pressure of interior room 38 at this moment, therefore second valve 37 is opened, by opening second valve 37, valve 38 in brake fluid flows into, and flow back to the brake fluid supplier, thereby restPose by at least one perforation 33 and first room 21.
See also Figure 6 and Figure 7, it is example that the second embodiment of the present invention is used for brake handgrip 50 with oil hydraulic cylinder, and this oil hydraulic cylinder comprises one second oil-hydraulic cylinder 60 and one second piston 70, wherein:
This second oil-hydraulic cylinder 60 has a containing space, this containing space is the inside that lies across second oil-hydraulic cylinder 60, for removable and ccontaining hermetically this second piston 70, this containing space is to divide into first room 61 and second room 62, these second room, 62 diameters are less than first room 61, this second oil-hydraulic cylinder 60 is provided with a first passage 63 and a second channel 64, this first passage 63 is to be communicated with first room 61 and an oil pipe 80, this oil pipe 80 is arranged on second oil-hydraulic cylinder 60, and with the brake clamp be connected, this second channel 64 is to be communicated with second room 62 and oil pipe 80, this second oil-hydraulic cylinder 60 comprises one first valve 65 and one second valve 66, this first valve 65 and second valve 66 are to be located at first passage 63 and second channel 64 respectively, whether be communicated with in order to control, this first valve 65 and second valve 66 are check valve, flow into containing space to prevent brake fluid;
This second piston 70 has one first position 71 and one second position 72, these second position, 72 diameters are less than first position 71, this first position 71 and second position 72 are respectively removable and hermetically adjacent to the inner peripheral surface of first room 61 and second room 62, this second piston 70 comprises one first circular groove 73 and one second circular groove 74, this first circular groove 73 and second circular groove 74 are the peripheries that are formed separately in first position 71 and second position 72, and this first circular groove 73 is connected with first passage 63;
This oil hydraulic cylinder for braking further comprises a feeding sealing block 90, and this feeding sealing block 90 is to be located at second room 62 and adjacent with an end at second position 72, in order to seal second channel 64 movably; This oil hydraulic cylinder for braking further comprises a Returnning spring 91, this Returnning spring 91 is to be located at second room 62, one end of this Returnning spring 91 is to be fixed in second room 62, the other end is to be comparable to feeding sealing block 90, when feeding sealing block 90 applies pressure to Returnning spring 91, Returnning spring 91 pushes back feeding sealing block 90, in order to keep sealing second channel 64.
When the decelerating phase, second piston 70 is subjected to leader 51 and promotes, cause brake fluid to enter first passage 63 by first circular groove 73, and enter to the brake clamp by oil pipe 80, in order to oil pressure to be provided, finish the purpose of deceleration by first position 71 and first room, 61 interaction effects, simultaneously, second valve 65 is closed and is prevented that brake fluid from flowing into second room 62, and feeding sealing block 90 also prevents that brake fluid from flowing into second channel 64; When needs are put brakes on violently, the rider applies bigger strength in handle 51, therefore second piston 70 is promoted, be connected with second channel 64 up to second circular groove 74, put brakes on violently the stage with startup, when putting brakes on violently the stage, brake fluid enters second channel 64 by second circular groove 74, and enter the brake clamp by oil pipe 80, in order to an oil pressure higher than the decelerating phase to be provided, by second position 72 and second room, 62 interaction effects to finish the purpose of putting brakes on violently, simultaneously, first valve 65 stops that brake fluid flows into first room 61, and feeding sealing block 90 leaves second channel 64 and applies pressure to Returnning spring 91; When release handle 51, Returnning spring 91 pushes back feeding sealing block 90, and keeps sealing second channel 64, and finishes to put brakes on violently the stage.
The above, it only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, every foundation technical spirit of the present invention all still belongs in the scope of technical solution of the present invention any simple modification, equivalent variations and modification that above embodiment did.
Claims (5)
1. oil hydraulic cylinder for braking, it is to be used to the clamp of braking, and it is characterized in that, comprises an oil-hydraulic cylinder and a piston, wherein:
This oil-hydraulic cylinder has a containing space, and this containing space is the inside that lies across oil-hydraulic cylinder, and for removable and ccontaining hermetically this piston, this containing space is to divide into first room and second room, and this second room diameter is less than first room;
This piston has one first position and one second position, this first position and second position are respectively removable and hermetically adjacent to first room and second room, this piston is provided with room, at least one perforation, one first hole and one second hole in the sealing, should interior room be to be communicated with first room by perforation, and should interior room be to be communicated with second room by first hole and second hole, this piston further comprises one first valve and one second valve, this first valve and second valve are corresponding with first hole and second hole respectively, whether are communicated with in order to control.
2. oil hydraulic cylinder for braking according to claim 1 is characterized in that, comprises that further one adjusts spring, and this adjustments spring is adjacent to first valve, in order to control the put brakes on violently threshold values in stage of a startup.
3. oil hydraulic cylinder for braking, it is to be used for brake handgrip, it is characterized in that, comprises an oil-hydraulic cylinder and a piston, wherein:
This oil-hydraulic cylinder has a containing space, this containing space is the inside that lies across oil-hydraulic cylinder, for removable and ccontaining hermetically this piston, this containing space is to divide into first room and second room, this second room diameter is less than first room, this oil-hydraulic cylinder is provided with a first passage and a second channel, this first passage is to be communicated with first room, and this second channel is to be communicated with second room, this oil-hydraulic cylinder comprises one first valve and one second valve, this first valve and second valve are to be located at first passage and second channel respectively, whether are communicated with in order to control;
This piston has one first position and one second position, this first position and second position are respectively removable and hermetically adjacent to first room and second room, this piston comprises one first circular groove and one second circular groove, this first circular groove and second circular groove are to be formed separately in first position and second position, when the decelerating phase, make brake fluid enter first passage, when putting brakes on violently the stage, make brake fluid enter second channel by second circular groove by first circular groove;
Whereby when the decelerating phase, this first position is to reach the deceleration effect with the first room interaction effect, and when putting brakes on violently the stage, this second position is to reach the effect of putting brakes on violently with the second room interaction effect.
4. oil hydraulic cylinder for braking according to claim 3 is characterized in that, further comprises a feeding sealing block, and this feeding sealing block is to be located at second room and adjacent with an end at second position, for sealing second channel movably.
5. oil hydraulic cylinder for braking according to claim 3, it is characterized in that, further comprise a Returnning spring, this Returnning spring is to be located at second room, one end of this Returnning spring is to be fixed in second room, and the other end is to be comparable to the feeding sealing block, when the feeding sealing block applies pressure to Returnning spring, Returnning spring pushes back the feeding sealing block, to keep the sealing second channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101264054A CN101614257B (en) | 2008-06-26 | 2008-06-26 | Oil hydraulic cylinder for braking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101264054A CN101614257B (en) | 2008-06-26 | 2008-06-26 | Oil hydraulic cylinder for braking |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101614257A CN101614257A (en) | 2009-12-30 |
| CN101614257B true CN101614257B (en) | 2011-06-22 |
Family
ID=41494085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101264054A Expired - Fee Related CN101614257B (en) | 2008-06-26 | 2008-06-26 | Oil hydraulic cylinder for braking |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101614257B (en) |
-
2008
- 2008-06-26 CN CN2008101264054A patent/CN101614257B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN101614257A (en) | 2009-12-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100470078C (en) | Parking brake device | |
| TW201402395A (en) | Brake control apparatus | |
| EP3147530A1 (en) | Hydraulic anti-lock brake wheel cylinder and axle braking system | |
| CN101943233A (en) | Bolt for hydraulic disc brake caliper | |
| CN101676172A (en) | Hydraulic brake handle group | |
| CN110435804B (en) | Anti-lock brake mechanism of bicycle | |
| CN110905889A (en) | Forced cooling brake system and cooling brake method | |
| CN101614257B (en) | Oil hydraulic cylinder for braking | |
| CN101922524A (en) | Enclosed multi-disc wet type braking device | |
| CN103303289B (en) | The integrated line control brake system of a kind of automobile | |
| CN202508079U (en) | Automobile brake apparatus | |
| JP2009264506A (en) | Vehicular disc brake | |
| US9862367B2 (en) | Master cylinder for brake system | |
| US9266510B2 (en) | Master cylinder for brake system | |
| CN105422537B (en) | Pressure-increasing overflow valve | |
| CN201802789U (en) | Totally closed multi-disc wet brake device | |
| WO2021226887A1 (en) | Hydraulic adjustment unit, brake system and control method | |
| KR20140117976A (en) | Air bleeding apparatus | |
| CN213799610U (en) | Brake valve applied to reverse brake system | |
| CN106956671B (en) | A kind of manual double spool brake valve | |
| US20030150680A1 (en) | Brake fluid circulation | |
| CN207701629U (en) | Servohydraulic cylinder with protection structure | |
| CN201432656Y (en) | Hydraulic brake valve | |
| CN218228964U (en) | Hydraulic electronic braking hand brake | |
| TWI633244B (en) | Disc brake hydraulic device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110622 Termination date: 20170626 |