CN105443623A - Brake single-wheel cylinder - Google Patents
Brake single-wheel cylinder Download PDFInfo
- Publication number
- CN105443623A CN105443623A CN201510976360.XA CN201510976360A CN105443623A CN 105443623 A CN105443623 A CN 105443623A CN 201510976360 A CN201510976360 A CN 201510976360A CN 105443623 A CN105443623 A CN 105443623A
- Authority
- CN
- China
- Prior art keywords
- piston
- cylinder body
- wheel cylinder
- spring
- cavity
- 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
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/14—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T11/00—Transmitting braking action from initiating means to ultimate brake actuator without power assistance or drive or where such assistance or drive is irrelevant
- B60T11/10—Transmitting braking action from initiating means to ultimate brake actuator without power assistance or drive or where such assistance or drive is irrelevant transmitting by fluid means, e.g. hydraulic
- B60T11/16—Master control, e.g. master cylinders
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2121/00—Type of actuator operation force
- F16D2121/02—Fluid pressure
- F16D2121/04—Fluid pressure acting on a piston-type actuator, e.g. for liquid pressure
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Transportation (AREA)
- Braking Arrangements (AREA)
Abstract
The invention discloses a brake single-wheel cylinder. The brake single-wheel cylinder comprises a cylinder body (1) with an opening in one end, a spring (2)and a piston (4); a cavity is formed in the cylinder body (1); the piston (4) is slideably arranged in the cavity, and divides the cavity into an oil cavity and a slide cavity; an oil inlet is formed in the cylinder body (1), and is communicated with the oil cavity through an oil inlet channel; the spring (2) is arranged in the oil cavity, one end of the spring (2) is fixedly connected to the piston (4), and the other end of the spring (2) is fixedly connected to the side wall of the oil cavity; a Y-shaped sealing ring (3) is arranged on the outer wall of the piston (4) in the peripheral direction; and the piston (4) is connected with a vehicle brake shoe through a push rod. The brake single-wheel cylinder can synchronously and singly brake wheels, and improves the safety of a brake system.
Description
Technical field
The present invention relates to brake system of car, particularly, relate to braking single-wheel cylinder.
Background technique
Automobile brake wheel cylinder is arranged in automotive wheel wheel disc, for the braking of automobile, is the important device ensureing automotive safety braking, usually adopts common hydraulic type wheel cylinder, generally comprise cylinder body, piston, spring oil nozzle etc. in general automobile.
Existing wheel cylinder inside is provided with two pieces of pistons, and two pieces of pistons are connected with brake wheel with the brake shoe on the wheel of automobile both sides respectively by pull bar.Although cylinder body built with spring the piston stretched out from cylinder body two ends is returned in cylinder body to stop braking to automotive wheel, but because spring can produce deformation after repeatedly pulling, make to deflect to the pulling power thrusts of piston, cause the resilience of piston smooth and easy not, and once the braking function of spring breaking down to two of two ends pieces of pistons has an impact simultaneously, there is potential potential safety hazard.
Therefore, be badly in need of a kind ofly the braking single-wheel cylinder of simultaneously independent brake wheel to solve the above problem.
Summary of the invention
The object of this invention is to provide a kind of braking single-wheel cylinder, this braking single-wheel cylinder can independent brake wheel simultaneously, improves the Safety performance of braking system.
To achieve these goals, the invention provides a kind of braking single-wheel cylinder, comprise one end and there is uncovered cylinder body, spring and piston; Be formed with cavity in cylinder body, piston to be slidably arranged in cavity and cavity is separated into oil pocket and sliding cavity; Cylinder body is provided with filler opening and filler opening is connected with oil pocket by oil inlet passage, and spring is arranged in oil pocket and one end and is fixed on piston, and the other end is fixed on the sidewall of oil pocket; Wherein, the outer wall of piston is circumferentially provided with y-type seal ring and piston is connected with automobile brake shoe by push rod.
Preferably, the open-mouth end of cylinder body is covered with the dust-proof cover of annular, and the inner ring of dust-proof cover is fixed on piston, and outer shroud removably stuffing box gland is located on the outer wall of cylinder body.
Preferably, the port phase flanging of cylinder body open-mouth end is formed with the first snatch ring, the outer shroud of dust-proof cover is formed and can matches with the second snatch ring of sealed cylinder block with the first snatch ring.
Preferably, dust-proof cover is bellows.
Preferably, piston has in axial direction extended to form directional post towards the sidewall of oil pocket, directional post can pass axially through spring.
Preferably, the diameter of spring increases and minimum diameter end is sheathed and be fixed on directional post from top to bottom successively.
Preferably, cylinder body is also provided with the bleed passage be connected with oil pocket, in bleed passage, bleed screw is installed, bleed screw is covered with venting cap.
Preferably, on filler opening, blocking is provided with dust plug.
According to technique scheme, when to enter to the oil pocket in cylinder body from filler opening when oil, just extrude the piston being positioned at cylinder body outwards to slide, now that spring elongation is elongated, the brake pushrod driving automobile brake shoe be connected with piston embraces automotive wheel wheel hub to reach the object of braking.When after end of braking, oil to reflux out cylinder body from filler opening, piston pulls for restoring to the original state by spring again that stretch in cylinder body, because spring one end is set on directional post, make that spring can not be random in recovery process bending or reverse, ensure that piston recovers smooth and easy and timely, improve the Safety performance of whole braking single-wheel cylinder.
Other features and advantages of the present invention are described in detail in embodiment part subsequently.
Accompanying drawing explanation
Accompanying drawing is used to provide a further understanding of the present invention, and forms a part for specification, is used from explanation the present invention, but is not construed as limiting the invention with embodiment one below.In the accompanying drawings:
Fig. 1 is the structural representation according to the braking single-wheel cylinder in a kind of mode of execution provided by the invention.
Description of reference numerals
1-cylinder body 2-spring
3-Y RunddichtringO 4-piston
5-dust-proof cover 6-dust plug
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.Should be understood that, embodiment described herein, only for instruction and explanation of the present invention, is not limited to the present invention.
In the present invention, when not doing contrary explanation, the nouns of locality be included in term such as " inside and outside " only represents the orientation of this term under normal service condition, or being commonly called as those skilled in the art's understanding, and should not be considered as the restriction to this term.
See Fig. 1, the invention provides a kind of braking single-wheel cylinder, comprise one end and there is uncovered cylinder body 1, spring 2 and piston 4; Be formed with cavity in cylinder body 1, piston 4 to be slidably arranged in cavity and cavity is separated into oil pocket and sliding cavity; Cylinder body 1 is provided with filler opening and filler opening is connected with oil pocket by oil inlet passage, and spring 2 is arranged in oil pocket and one end and is fixed on piston 4, and the other end is fixed on the sidewall of oil pocket; Wherein, the outer wall of piston 4 is circumferentially provided with y-type seal ring 3 and piston 4 is connected with automobile brake shoe by push rod.
Pass through technique scheme, when to enter to the oil pocket in cylinder body 1 from filler opening when oil, just extrude the piston 4 being positioned at cylinder body 1 outwards to slide, now stretch elongated by spring 2, the brake pushrod driving automobile brake shoe be connected with piston 4 embraces automotive wheel wheel hub to reach the object of braking.When after end of braking, oil to reflux out cylinder body 1 from filler opening, the spring 2 stretched is for restoring to the original state piston 4 pulling in cylinder body 1 again, because spring 2 one end is set on directional post, make that spring 2 can not be random in recovery process bending or reverse, ensure that piston 4 recovers smooth and easy and timely, improve the Safety performance of whole braking single-wheel cylinder.
In present embodiment, in order to prevent the dust in working environment or other foreign material from dropping on the movement locus of piston 4, piston 4 slidably reciprocating at cylinder body 1 axial direction can be hindered through long-time accumulation, causing piston 4 activity to have some setbacks, affecting braking effect; Preferably, the open-mouth end of cylinder body 1 is covered with the dust-proof cover 5 of annular, and the inner ring of dust-proof cover 5 is fixed on piston 4, and outer shroud removably stuffing box gland is located on the outer wall of cylinder body 1.
Pulled back and forth in the using process of braking single-wheel cylinder to prevent dust-proof cover 5 and come off, improve it and be connected to stability on cylinder body 1, preferably, the port phase flanging of cylinder body 1 open-mouth end is formed with the first snatch ring, the outer shroud of dust-proof cover 5 is formed and can matches with the second snatch ring of sealed cylinder block 1 with the first snatch ring.
Above-mentioned dust-proof cover 5 can be the dust-proof barrier that any one common in related domain has good telescopicing performance, but considers from controlling cost and being convenient to change the angle of drawing materials, and preferably, dust-proof cover 5 is bellows.
In addition, in order to make spring 2 reciprocal contraction and stretch all can with piston 4 coaxial direction, preferred piston 4 has in axial direction extended to form directional post towards the sidewall of oil pocket, and directional post can pass axially through spring 2.Because spring 2 is set on directional post, bending such that spring 2 can not be random in recovery process or reverse, ensure that piston 4 recovers smooth and easy and timely.
Further, in spring 2 reciprocatory movement, in order to increase the stability of spring 2 and extend working life of spring 2, preferably, the diameter of spring 2 increases and minimum diameter end is sheathed and be fixed on directional post from top to bottom successively.
Injected in cylinder body 1 by filler opening oil process, owing to the air in the external world together being squeezed in cylinder body 1 containing when bubble or oiling in the oil that adds, cause assembling in cylinder body 1 have gas, the air pressure that gas is formed hinders oil to continue to enter, in order to avoid the generation of above-mentioned situation, convenient and swift in time by the gas discharge in cylinder body 1, preferred cylinder body 1 is also provided with the bleed passage be connected with oil pocket, in bleed passage, bleed screw is installed, bleed screw is covered with venting cap.
Wheel cylinder do not use or repair and replacement process in, in order to prevent extraneous foreign material from oil-feed interface enter in cylinder body 1 cylinder body 1 is caused damage or has a strong impact on use time piston 4 slide, preferably, on filler opening, blocking is provided with dust plug 6.
Below the preferred embodiment of the present invention is described in detail by reference to the accompanying drawings; but; the present invention is not limited to the detail in above-mentioned mode of execution; within the scope of technical conceive of the present invention; can carry out multiple simple variant to technological scheme of the present invention, these simple variant all belong to protection scope of the present invention.
It should be noted that in addition, each concrete technical characteristics described in above-mentioned embodiment, in reconcilable situation, can be combined by any suitable mode, in order to avoid unnecessary repetition, the present invention illustrates no longer separately to various possible compound mode.
In addition, also can carry out combination in any between various different mode of execution of the present invention, as long as it is without prejudice to thought of the present invention, it should be considered as content disclosed in this invention equally.
Claims (8)
1. brake a single-wheel cylinder, it is characterized in that, comprise one end and there is uncovered cylinder body (1), spring (2) and piston (4); Described cylinder body is formed with cavity in (1), and described piston (4) to be slidably arranged in described cavity and described cavity is separated into oil pocket and sliding cavity; Described cylinder body (1) is provided with filler opening and described filler opening is connected with described oil pocket by oil inlet passage, described spring (2) is arranged in described oil pocket and one end and is fixed on described piston (4), and the other end is fixed on the sidewall of described oil pocket; Wherein, the outer wall of described piston (4) is circumferentially provided with y-type seal ring (3) and described piston (4) is connected with automobile brake shoe by push rod.
2. braking single-wheel cylinder according to claim 1, it is characterized in that, the open-mouth end of described cylinder body (1) is covered with the dust-proof cover (5) of annular, the inner ring of described dust-proof cover (5) is fixed on described piston (4), and outer shroud removably stuffing box gland is located on the outer wall of described cylinder body (1).
3. braking single-wheel cylinder according to claim 2, it is characterized in that, the port phase flanging of described cylinder body (1) open-mouth end is formed with the first snatch ring, the outer shroud of described dust-proof cover (5) is formed and can matches to seal the second snatch ring of described cylinder body (1) with described first snatch ring.
4. braking single-wheel cylinder according to claim 3, is characterized in that, described dust-proof cover (5) is bellows.
5. braking single-wheel cylinder according to claim 1, is characterized in that, (4) have in axial direction extended to form directional post towards the sidewall of described oil pocket to described piston, and described directional post can pass axially through described spring 2.
6. braking single-wheel cylinder according to claim 5, is characterized in that, the diameter of described spring (2) increases from top to bottom successively and minimum diameter end is sheathed and be fixed on described directional post.
7. braking single-wheel cylinder according to claim 1, is characterized in that, described cylinder body (1) is also provided with the bleed passage be connected with described oil pocket, is provided with bleed screw in described bleed passage, described bleed screw is covered with venting cap.
8. braking single-wheel cylinder according to claim 1, is characterized in that, on described filler opening, blocking is provided with dust plug (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510976360.XA CN105443623A (en) | 2015-12-22 | 2015-12-22 | Brake single-wheel cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510976360.XA CN105443623A (en) | 2015-12-22 | 2015-12-22 | Brake single-wheel cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105443623A true CN105443623A (en) | 2016-03-30 |
Family
ID=55554149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510976360.XA Pending CN105443623A (en) | 2015-12-22 | 2015-12-22 | Brake single-wheel cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105443623A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55160643A (en) * | 1979-05-31 | 1980-12-13 | Nissin Kogyo Kk | Master cylinder |
| JPS574447A (en) * | 1980-06-12 | 1982-01-11 | Aisin Seiki Co Ltd | Master cylinder |
| CN102941849A (en) * | 2012-11-27 | 2013-02-27 | 日照市北业制动泵有限公司 | Brake master cylinder of automobile hydraulic brake |
| CN203796817U (en) * | 2014-02-13 | 2014-08-27 | 江苏云飞机械有限公司 | Brake pump |
| CN104176028A (en) * | 2014-07-19 | 2014-12-03 | 芜湖恒坤汽车部件有限公司 | Brake master cylinder |
-
2015
- 2015-12-22 CN CN201510976360.XA patent/CN105443623A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55160643A (en) * | 1979-05-31 | 1980-12-13 | Nissin Kogyo Kk | Master cylinder |
| JPS574447A (en) * | 1980-06-12 | 1982-01-11 | Aisin Seiki Co Ltd | Master cylinder |
| CN102941849A (en) * | 2012-11-27 | 2013-02-27 | 日照市北业制动泵有限公司 | Brake master cylinder of automobile hydraulic brake |
| CN203796817U (en) * | 2014-02-13 | 2014-08-27 | 江苏云飞机械有限公司 | Brake pump |
| CN104176028A (en) * | 2014-07-19 | 2014-12-03 | 芜湖恒坤汽车部件有限公司 | Brake master cylinder |
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|---|---|---|---|
| C06 | 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 |
Application publication date: 20160330 |
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| RJ01 | Rejection of invention patent application after publication |