CN202188047U - Brake master cylinder component for vehicle - Google Patents
Brake master cylinder component for vehicle Download PDFInfo
- Publication number
- CN202188047U CN202188047U CN 201120299076 CN201120299076U CN202188047U CN 202188047 U CN202188047 U CN 202188047U CN 201120299076 CN201120299076 CN 201120299076 CN 201120299076 U CN201120299076 U CN 201120299076U CN 202188047 U CN202188047 U CN 202188047U
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- Prior art keywords
- piston
- master cylinder
- straight
- cylinder body
- cylinder assembly
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- Expired - Lifetime
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- Transmission Of Braking Force In Braking Systems (AREA)
Abstract
The utility model provides a brake master cylinder component for a vehicle, which comprises a first straight channel which is formed on the inner surface of a hole of a cylinder body and extends from a first pressure sealing ring to a first hydraulic chamber or a second straight channel which is formed on the inner surface of the hole of the cylinder body and extends from a second pressure sealing ring to a second hydraulic chamber. As the straight channels are easy to be machined into wider straight channels, the quantity of the straight channels is relatively reduced to a spiral channel. Complex machining cutters are not required for machining the straight channels, the machining process is simple and easy to operate, and the production efficiency can be obviously improved. In addition, burr is not easy to generate during straight channel machining process, and the use reliability of the brake master cylinder component can be improved.
Description
Technical field
The utility model relates to a kind of vehicle braked master cylinder assembly that is used for.
Background technique
Be used for the vehicle braked master cylinder assembly and generally include the cylinder body that is formed with the cylinder hole, the first piston and second piston are slidably disposed in the cylinder hole.The first piston and second piston limit corresponding first hydraulic chamber and second hydraulic chamber with cylinder body respectively, first hydraulic chamber and second hydraulic chamber and corresponding car brakeing circuit communication.For brake fluid when needed can add to first hydraulic chamber and second hydraulic chamber from liquid container in time, be provided with the spiral chute that is used for replenishing brake fluid usually at inner surface of cylinder block.Because the spiral fluted width is not easy to process too widely, therefore, need many spiral chutes to guarantee to replenish sufficiently brake fluid.For this spiral chute is set at inner surface of cylinder block, need complicated machine cutting tool usually, and process for machining is complicated, is difficult to operation, causes manufacturing efficiency lower.In addition, the processing spiral chute also is easy to generate a lot of burrs, makes that the brake master cylinder assembly in use is easy to break down.
For this reason, a kind of improved vehicle braked master cylinder assembly that is used for need be provided.
The model utility content
The purpose of the utility model will overcome above-mentioned defective of the prior art exactly; A kind of improved vehicle braked master cylinder assembly that is used for is provided; The cylinder body of processing this brake master cylinder assembly does not need complicated machine cutting tool, and process for machining is simple, easy operating; Can significantly improve manufacturing efficiency, and easy fault not in the using process.
According to the utility model, a kind of vehicle braked master cylinder assembly that is used for is provided, comprising:
Wherein be formed with the cylinder body in cylinder hole;
Be slidably mounted in the first piston and second piston in the said cylinder hole, make to limit first hydraulic chamber, and limit second hydraulic chamber in said second piston and said cylinder body in said first piston, said cylinder body and said second piston;
Be arranged in said first hydraulic chamber and first spring between said first piston and said second piston;
Be arranged in said second hydraulic chamber and second spring between the end wall of said second piston and said cylinder body;
Be arranged between said cylinder body and the said first piston and prevent the isolating seal circle that brake fluid overflows from said brake master cylinder assembly;
Be arranged on the first wiper seal circle between said cylinder body and the said first piston;
Be arranged on the parting seal circle between said cylinder body and said second piston;
Be arranged on the second wiper seal circle between said cylinder body and said second piston;
Be formed on brake fluid first inlet opening on the said cylinder body, said brake fluid first inlet opening through be formed on the said cylinder body first passage be formed on said cylinder body and be communicated with the first feed flow chamber between the said first piston; And
Be formed on brake fluid second inlet opening on the said cylinder body, said brake fluid second inlet opening through be formed on the said cylinder body second channel be formed on said cylinder body and be communicated with the second feed flow chamber between said second piston;
It is characterized in that:
The said vehicle braked master cylinder assembly that is used for also comprises on the internal surface that is formed on said cylinder hole from the said first wiper seal circle and extends to first straight trough of said first hydraulic chamber or be formed on the internal surface in said cylinder hole second straight trough that extends to said second hydraulic chamber from the said second wiper seal circle.
Preferably, the said vehicle braked master cylinder assembly that is used for comprises said first straight trough and said second straight trough.
Preferably, the said vehicle braked master cylinder assembly that is used for comprises two said first straight troughs and two said second straight troughs, and two said first straight troughs and two said second straight troughs radially are oppositely arranged respectively.
Preferably, the said vehicle braked master cylinder assembly that is used for comprises a plurality of said first straight troughs and a plurality of said second straight trough, and a plurality of said first straight troughs and a plurality of said second straight trough are provided with respectively equably.
Preferably, have two said first straight troughs in said being used under the situation that the vehicle braked master cylinder assembly includes only said first straight trough, two said first straight troughs radially are oppositely arranged.
Preferably, have a plurality of said first straight troughs in said being used under the situation that the vehicle braked master cylinder assembly includes only said first straight trough, a plurality of said first straight troughs are provided with equably.
Preferably, have two said second straight troughs in said being used under the situation that the vehicle braked master cylinder assembly includes only said second straight trough, two said second straight troughs radially are oppositely arranged.
Preferably, have a plurality of said second straight troughs in said being used under the situation that the vehicle braked master cylinder assembly includes only said second straight trough, a plurality of said second straight troughs are provided with equably.
According to the utility model because straight trough is easy to be processed into the width with broad, thereby can be for spiral chute minimizing quantity.The processing straight trough does not need complicated machine cutting tool yet, and process for machining is simple, and easy operating can significantly improve manufacturing efficiency.In addition, the processing straight trough also is difficult for producing burr, can improve the operational safety of brake master cylinder assembly.
Description of drawings
Fig. 1 is the longitudinal sectional view according to the brake master cylinder assembly of the utility model; And
Fig. 2 is the longitudinal sectional view according to the cylinder body of the brake master cylinder assembly of the utility model.
Embodiment
Below will combine accompanying drawing that the preferred embodiment that is used for the vehicle braked master cylinder assembly according to the utility model is described in detail.
Shown in Fig. 1-2, comprise cylinder body 3 according to the vehicle braked master cylinder assembly 1 that is used for of the utility model, be formed with cylinder hole 5 in the cylinder body 3.Cylinder hole 5 one ends are by end wall 7 sealings.The first piston 9 and second piston 11 are slidably disposed in the cylinder hole 5, thereby limit first hydraulic chamber 13 in first piston 9, cylinder body 3 and second piston 11, and limit second hydraulic chamber 15 in second piston 11 with cylinder body 3.First hydraulic chamber 13 is communicated with the first car brakeing loop (not shown) through first hole 14 that is formed on the cylinder body 3, and second hydraulic chamber 15 is communicated with the second car brakeing loop (not shown) through second hole 16 that is formed on the cylinder body 3.
Also be formed with brake fluid first inlet opening 31 and brake fluid second inlet opening 33 on the cylinder body 3.When first piston 9 and second piston 11 were installed in the cylinder hole 5, brake fluid first inlet opening 31 and brake fluid second inlet opening 33 were communicated with the second feed flow chamber 41 between the cylinder body 3 with being formed on the first feed flow chamber 39 between first piston 9 and the cylinder body 3 and being formed on second piston 11 through first passage 35 and the second channel 37 that is formed in the cylinder body 3 respectively.The position in the formation first feed flow chamber 39 is formed with first circular groove 43 near opening end one side in cylinder hole 5 on cylinder body 3, and the position that on cylinder body 3, forms the first feed flow chamber 39 is formed with second circular groove 45 near first hydraulic chamber, 13 1 sides.First circular groove 43 is used to hold the isolating seal circle 47 that is arranged between cylinder body 3 and the first piston 9, overflows from the brake master cylinder assembly to prevent brake fluid; Second circular groove 45 is used to hold the first wiper seal circle 49 that is arranged between cylinder body 3 and the first piston 9; The first wiper seal circle 49 allows brake fluid to flow to first hydraulic chamber 13 from brake fluid first inlet opening 31 through the first passage 35 and the first feed flow chamber 39, and can not reverse flow.The position that on cylinder body 3, forms the second feed flow chamber 41 is formed with the 3rd circular groove 51 near first hydraulic chamber, 13 1 sides, and the position that on cylinder body 3, forms the second feed flow chamber 41 is formed with the 4th circular groove 53 near second hydraulic chamber, 15 1 sides.The 3rd circular groove 51 is used to hold the parting seal circle 55 that is arranged between the cylinder body 3 and second piston 11, flows between first hydraulic chamber 13 and second channel 37 to prevent brake fluid; The 4th circular groove 53 is used to hold the second wiper seal circle 57 that is arranged between the cylinder body 3 and second piston 11; The second wiper seal circle 57 allows brake fluid to flow to second hydraulic chamber 15 from brake fluid second inlet opening 33 through the second channel 37 and the second feed flow chamber 41, and can not reverse flow.
Different with existing technology; The vehicle braked master cylinder assembly 1 that is used for according to the utility model also comprises on the internal surface that is formed on cylinder hole 5 and to extend to first straight trough 59 of first hydraulic chamber 13 from second circular groove 45, and is formed on the internal surface in cylinder hole 5 second straight trough 61 that extends to second hydraulic chamber 15 from the 4th circular groove 53.First straight trough 59 and second straight trough 61 are used for replenishing brake fluid to first hydraulic chamber 13 and second hydraulic chamber 15 respectively when needed.Not only be formed with first straight trough 59 but also be formed with second straight trough 61 although preferred embodiment has shown, also can only form wherein a kind of.In a preferred embodiment, radially relative two first straight troughs 59 and second straight trough 61 have been shown respectively.But it should be understood that first straight trough 59 and second straight trough 61 can be more than two, promptly a plurality of.Under a plurality of situation, first straight trough 59 and second straight trough 61 preferably are evenly distributed on the internal surface in cylinder hole 5.
When braking; Under the braking force effect; First piston 9 towards second pistons 11 move and second piston 11 also moves towards end wall 7; Win hydraulic chamber 13 and second hydraulic chamber, 15 volumes are reduced and the brake fluid pressure in the win hydraulic chamber 13 and second hydraulic chamber 15 is increased, and then cause the brake fluid pressure in the first car brakeing loop and the second car brakeing loop to increase, finally make the brake assemblies brake wheel.When brake off, the first piston 9 and second piston 11 are returned to initial position respectively under the effect of first spring 21 and second spring 29.When first piston 9 and second piston, 11 returning quicklies for prevent to produce vacuum, at braking frictional plate because wearing and tearing when causing brake clearance to increase and when brake circuit is carried out artificial exhaust, all need make brake fluid add to first hydraulic chamber and second hydraulic chamber respectively from first with brake fluid second inlet opening in time.At this moment; Can pass through first passage 35, the first feed flow chamber 39, the first wiper seal circle 49 and first straight trough 59 from the brake fluid of brake fluid first inlet opening 31 and flow to first hydraulic chamber 13, flow to second hydraulic chamber 15 and can pass through second channel 37, the second feed flow chamber 41, the second wiper seal circle 57 and second straight trough 61 from the brake fluid of brake fluid second inlet opening 33.
The vehicle braked master cylinder assembly that is used for according to the utility model has formed second straight trough that extends to first straight trough of first hydraulic chamber and extend to second hydraulic chamber from the 4th circular groove from second circular groove on the internal surface in cylinder hole; Because straight trough is easy to be processed into the width with broad, thereby for spiral chute, can have lesser amt.The processing straight trough does not need complicated machine cutting tool, and process for machining is simple, and easy operating can significantly improve manufacturing efficiency.In addition, the processing straight trough also is difficult for producing burr, can improve the operational safety of brake master cylinder assembly.
More than combine the preferred embodiment of the utility model that the utility model is described, it should be understood that those skilled in the art can carry out various improvement to the utility model under the situation that does not break away from the utility model principle.
Claims (8)
1. one kind is used for vehicle braked master cylinder assembly (1), comprising:
Wherein be formed with the cylinder body (3) of cylinder hole (5);
Be slidably mounted in first piston (9) and second piston (11) in the said cylinder hole (5); Make to limit first hydraulic chamber (13), and limit second hydraulic chamber (15) said second piston (11) and said cylinder body (3) in said first piston (9), said cylinder body (3) and said second piston (11);
Be arranged in said first hydraulic chamber (13) and be positioned at said first piston (9) and said second piston (11) between first spring (21);
Be arranged in said second hydraulic chamber (15) and be positioned at said second piston (11) and the end wall (7) of said cylinder body (3) between second spring (29);
Be arranged between said cylinder body (3) and the said first piston (9) and prevent the isolating seal circle (47) that brake fluid overflows from said brake master cylinder assembly;
Be arranged on the first wiper seal circle (49) between said cylinder body (3) and the said first piston (9);
Be arranged on the parting seal circle (55) between said cylinder body (3) and said second piston (11);
Be arranged on the second wiper seal circle (57) between said cylinder body (3) and said second piston (11);
Be formed on brake fluid first inlet opening (31) on the said cylinder body (3), said brake fluid first inlet opening (31) through be formed on the said cylinder body (3) first passage (35) be formed on said cylinder body (3) and be communicated with the first feed flow chamber (39) between the said first piston (9); And
Be formed on brake fluid second inlet opening (33) on the said cylinder body (3), said brake fluid second inlet opening (33) through be formed on the said cylinder body (3) second channel (37) be formed on said cylinder body (3) and be communicated with the second feed flow chamber (41) between said second piston (11);
It is characterized in that:
The said vehicle braked master cylinder assembly (1) that is used for also comprises on the internal surface that is formed on said cylinder hole (5) from the said first wiper seal circle (49) and extends to first straight trough (59) of said first hydraulic chamber (13) or be formed on the internal surface in said cylinder hole (5) second straight trough (61) that extends to said second hydraulic chamber (15) from the said second wiper seal circle (57).
2. the vehicle braked master cylinder assembly (1) that is used for as claimed in claim 1 is characterized in that, the said vehicle braked master cylinder assembly (1) that is used for comprises said first straight trough (59) and said second straight trough (61).
3. the vehicle braked master cylinder assembly (1) that is used for as claimed in claim 2; It is characterized in that; The said vehicle braked master cylinder assembly (1) that is used for comprises two said first straight troughs (59) and two said second straight troughs (61), and two said first straight troughs (59) and two said second straight troughs (61) radially are oppositely arranged respectively.
4. the vehicle braked master cylinder assembly (1) that is used for as claimed in claim 2; It is characterized in that; The said vehicle braked master cylinder assembly (1) that is used for comprises a plurality of said first straight troughs (59) and a plurality of said second straight troughs (61), and a plurality of said first straight troughs (59) and a plurality of said second straight troughs (61) are provided with respectively equably.
5. the vehicle braked master cylinder assembly (1) that is used for as claimed in claim 1; It is characterized in that; Have two said first straight troughs (59) in said being used under the situation that vehicle braked master cylinder assembly (1) includes only said first straight trough (59), two said first straight troughs (59) radially are oppositely arranged.
6. the vehicle braked master cylinder assembly (1) that is used for as claimed in claim 1; It is characterized in that; Have a plurality of said first straight troughs (59) in said being used under the situation that vehicle braked master cylinder assembly (1) includes only said first straight trough (59), a plurality of said first straight troughs (59) are provided with equably.
7. the vehicle braked master cylinder assembly (1) that is used for as claimed in claim 1; It is characterized in that; Have two said second straight troughs (61) in said being used under the situation that vehicle braked master cylinder assembly (1) includes only said second straight trough (61), two said second straight troughs (61) radially are oppositely arranged.
8. the vehicle braked master cylinder assembly (1) that is used for as claimed in claim 1; It is characterized in that; Have a plurality of said second straight troughs (61) in said being used under the situation that vehicle braked master cylinder assembly (1) includes only said second straight trough (61), a plurality of said second straight troughs (61) are provided with equably.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120299076 CN202188047U (en) | 2011-08-17 | 2011-08-17 | Brake master cylinder component for vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120299076 CN202188047U (en) | 2011-08-17 | 2011-08-17 | Brake master cylinder component for vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202188047U true CN202188047U (en) | 2012-04-11 |
Family
ID=45919500
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120299076 Expired - Lifetime CN202188047U (en) | 2011-08-17 | 2011-08-17 | Brake master cylinder component for vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202188047U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103104632A (en) * | 2013-02-01 | 2013-05-15 | 瑞立集团瑞安汽车零部件有限公司 | Plunger-type clutch master cylinder |
-
2011
- 2011-08-17 CN CN 201120299076 patent/CN202188047U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103104632A (en) * | 2013-02-01 | 2013-05-15 | 瑞立集团瑞安汽车零部件有限公司 | Plunger-type clutch master cylinder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120411 |
|
| CX01 | Expiry of patent term |