CN201152330Y - Allterrain vehicle hydraulic braking system three-piston brake cylinder - Google Patents
Allterrain vehicle hydraulic braking system three-piston brake cylinder Download PDFInfo
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- CN201152330Y CN201152330Y CNU2008200306708U CN200820030670U CN201152330Y CN 201152330 Y CN201152330 Y CN 201152330Y CN U2008200306708 U CNU2008200306708 U CN U2008200306708U CN 200820030670 U CN200820030670 U CN 200820030670U CN 201152330 Y CN201152330 Y CN 201152330Y
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Abstract
The utility model discloses a three-piston brake wheel cylinder for a hydraulic braking system of an all-terrain vehicle, relating to the field of the brake wheel cylinders for hydraulic braking systems of all-terrain vehicles. A left small piston (2) and a right small piston (22) are respectively arranged in a left small piston hole (13) and a right small piston hole (23) of the three-piston brake wheel cylinder (30). A large piston (5) is arranged in a large piston mounting hole (14). The insides of the left and the right small piston holes are respectively provided with a small piston sealing ring (3) and a small piston oil stopper dustproof hood (4), and the inside of the large piston mounting hole (14) is provided with a large piston sealing ring (6) and a large piston oil stopper dustproof hood (7). A clamping block (9) is provided with a guide pole (25) and a brake slice locating pin (26). A wheel cylinder body (1) is provided with a small piston air exhausting nozzle (10), a large piston air exhausting nozzle (20) and a connecting pipe (12). The three-piston brake wheel cylinder enables two ways of hydraulic systems to respectively control the large and the small pistons and has a simple structure and less fault points.
Description
Technical field:
Three-piston brake cylinder used for all-terrain vehicle hydraulic braking system of the present invention relates to the brake cylinder field of all-terrain vehicle hydraulic braking sytem.
Background technique:
At present, in the all-terrain vehicle hydraulic braking sytem, has only a wheelcylinder piston in the wheel cylinder to the front and back wheels braking, control the function that the brake cylinder on front-wheel or the trailing wheel is installed simultaneously if realize parking brake brake main pump and service brake brake main pump, the general dual mode that adopts: 1, a wheelcylinder piston is made step shape, act on the step surface of wheelcylinder piston respectively by parking brake and service brake hydraulic system, be piston median surface and piston ring face, the braking effect that is produced causes influencing each other of parking brake and service brake two-way hydraulic braking sytem easily, thereby, cause the loss of hydraulic braking energy easily, reduce braking effect.2, increase wheel cylinder quantity, can increase manufacture cost like this, make whole braking system complicated more, thereby can increase the fault point.Therefore, control the function that is installed in the wheel cylinder on front-wheel or the trailing wheel simultaneously in order to realize parking brake brake main pump and service brake brake main pump, be necessary to design a kind of novel brake cylinder, the parking brake hydraulic system and the service brake hydraulic system that are added on this novel wheel cylinder can be separated fully, simultaneously, consider economic factor, do not increase the quantity of wheel cylinder again.
Summary of the invention:
The purpose of this invention is to provide a kind of three-piston brake cylinder used for all-terrain vehicle hydraulic braking system, on the wheel cylinder pump housing, be processed with three piston mounting holes, in two small piston holes and a big piston hole, left and right two small pistons, a big piston be installed respectively.
A kind of three-piston brake cylinder used for all-terrain vehicle hydraulic braking system, it is characterized in that in the left small piston hole (13) on the wheel cylinder pump housing (1) of three piston deceleration wheel cylinders (30) left small piston (2) being installed, in the right small piston hole (23) right small piston (22) is installed, big piston (5) is installed in the big piston mounting hole (14), in the twice groove in left small piston hole (13) and in the twice groove in right small piston hole (23), small piston seal ring (3) and small piston plug cock dust-proof cover (4) are installed all respectively, in the twice groove of big piston mounting hole (14), are separately installed with big piston seal ring (6) and big piston plug cock dust-proof cover (7); Guide pillar (25) on the grip block (9) is installed in the grip block guide pillar mounting hole of the wheel cylinder pump housing (1); Two locating stud mounting holes (29) of braking plate (8) are sleeved on two braking plate locating studs (26) of grip block (9) slidably; In installing tapped hole (15) and big piston deflating valve installation tapped hole (19), the small piston deflating valve of the wheel cylinder pump housing (1) is separately installed with small piston deflating valve (10) and big piston deflating valve (20); Junction pipe (12) was taken over whelk nail (11) and the right side by a left side and was taken over whelk and follow closely (21) and be installed on the wheel cylinder pump housing (1).
The working principle of this three-piston brake cylinder used for all-terrain vehicle hydraulic braking system is described as follows:
This three piston deceleration wheel cylinders design has three pistons, i.e. big piston, two small pistons, big piston is by the main pump control of one tunnel hydraulic braking sytem A, the hydraulic circuit of two small pistons is connected, main pump control by other one tunnel hydraulic braking sytem B, promptly link to each other with the big piston of brake cylinder with the main pump of oil pipe 1 with hydraulic system A, link to each other with two small pistons of brake cylinder with the main pump of oil pipe 2 hydraulic system B, like this, the pressure that the main pump of hydraulic system A produces can pass to the big piston of brake cylinder, the motion of promotion big piston, thus braking effect produced; When the main pump of hydraulic system B produces pressure, can pass to two small pistons of brake cylinder, promote two small pistons and move simultaneously, produce braking effect simultaneously, like this, just realized that A, B two hydraulic can control the purpose of a brake cylinder simultaneously.By the screw bolt and nut link with wheel hub, disc brake dish, link together wheel rate, wheel hub, disc brake dish and wheel are moved at the uniform velocity together, piston promotes the braking plate of both sides, drive both sides braking plate motion, braking plate middle disc brake dish in both sides is braked, thereby, can realize front-wheel or trailing wheel are braked.
The structure of this three-piston brake cylinder used for all-terrain vehicle hydraulic braking system is described as follows:
On the wheel cylinder pump housing, be processed with three piston mounting holes, one wherein is the big piston mounting hole, both sides be the small piston mounting hole, a big piston and two small pistons are installed in respectively in three corresponding mounting holes, simultaneously, all processed the twice groove in three piston mounting holes on the wheel cylinder pump housing, be used for installing small piston square seal ring and small piston plug cock dust-proof cover respectively, and big piston square seal ring and big piston plug cock dust-proof cover, the effect of dust-proof cover and square seal ring is respectively dustproof and prevents the seepage of brake fluid, like this, has just formed three Seal cages between three piston mounting holes of the piston and the wheel cylinder pump housing, in hydraulic oil flows into this Seal cage, can form pressure, promote piston and move, piston promotes braking plate, disc brake sheet between two braking plates is braked, realized brake.
Three piston mounting hole bottoms at the wheel cylinder pump housing all are processed with pouring orifice and relief opening, and its effect is respectively to the bubble in oiling of piston mounting hole and the eliminating hydraulic oil.
On the wheel cylinder pump housing, be processed with the grip block mounting hole, be used for installing the guide pillar of grip block, the guide pillar of grip block directly is slidably inserted in the guide pillar pin-and-hole of processing on the wheel cylinder pump housing, like this, in the time of when grip block installation tapped hole is installed in not with the part of wheel by screw on, this part such as knuckle, damping support etc., the wheel cylinder pump housing can freely slide along guide pillar, by piston braking plate is braked.
The other end at wheel cylinder grip block guide pillar is the braking plate locating stud, and the positioning pin hole on two braking plates is slidably mounted on the nitre of location.Two guide pillars are left and right to be installed in the guide pillar mounting hole of holding sheet two upper lateral parts symmetrically tightly.
On the wheel cylinder pump housing, have the small piston deflating valve interior threaded hole and big piston deflating valve installation interior threaded hole are installed, add small piston deflating valve and big piston deflating valve respectively, so that exhaust usefulness during to small piston hole and the oiling of big piston hole, oil are then closed two deflating valves after annotating well.
Be separately installed with a left side took over whelk nail and the right side and took over whelk and follow closely at the two ends of junction pipe, by the left and right whelk nail of taking over junction pipe is installed on the pump housing, be that junction pipe makes two small piston holes be communicated with oil circuit by the left and right whelk nail of crossing, the left and right whelk nail of crossing can prevent that oil leakage from going out outside the pump housing.
All-terrain vehicle hydraulic braking sytem three piston deceleration wheel cylinder advantages of the present invention are only to have three piston mounting holes on a wheel cylinder pump housing, two small pistons can be installed respectively, a big piston, can realize parking brake brake main pump and service brake brake main pump two hydraulic simultaneously respectively control be installed in big on the brake cylinder on front-wheel or the trailing wheel, small piston, noiseless each other, promptly there is not the heat loss cause owing to disturbing, make the wheel cylinder braking plate effectively reliable more to the disc brake sheet braking effect that is inserted between two braking plates, wheel cylinder is simple in structure simultaneously, and the fault point is few.
Description of drawings:
Fig. 1: look cross-sectional schematic for these three piston deceleration wheel cylinders (30) are main.
Fig. 2: for removing the schematic rear view of the Fig. 1 behind small piston deflating valve (10) and the big piston deflating valve (20).
Fig. 3: for looking cross-sectional schematic in the left side of Fig. 2.
Fig. 4: be these three piston deceleration wheel cylinder (30) schematic three dimensional views.
Fig. 5: be these three another orientation schematic three dimensional views of piston deceleration wheel cylinder (30).
Fig. 6: be the wheel cylinder pump housing (1) and the main schematic representation of looking of grip block (9) installation.
Fig. 7: be the wheel cylinder pump housing (1) schematic top plan view.
Fig. 8: look the complete section schematic representation for left small piston (2) is main.
Fig. 9: be left small piston (2) schematic top plan view.
Figure 10: look the complete section schematic representation for small piston seal ring (3) is main.
Figure 11: be small piston seal ring (3) schematic top plan view.
Figure 12: look the complete section schematic representation for small piston plug cock dust-proof cover (4) is main.
Figure 13: be small piston plug cock dust-proof cover (4) schematic top plan view.
Figure 14: look the complete section schematic representation for big piston (5) is main.
Figure 15: be big piston (5) schematic top plan view.
Figure 16: look the complete section schematic representation for big piston seal ring (6) is main.
Figure 17: be big piston seal ring (6) schematic top plan view.
Figure 18: look the complete section schematic representation for big piston plug cock dust-proof cover (7) is main.
Figure 19: be big piston plug cock dust-proof cover (7) schematic top plan view.
Figure 20: look schematic representation for braking plate (8) is main.
Figure 21: be braking plate (8) schematic top plan view.
Figure 22: look schematic representation for grip block assembly parts (24) is main.
Figure 23: be grip block assembly parts (24) schematic top plan view.
Figure 24: the main schematic representation of looking of junction pipe (12).
Figure 25: look schematic representation for small piston deflating valve (10) is main.
Figure 26: for taking over the main schematic representation of looking of the screw (11) of making a living in a left side.
Embodiment:
Referring to Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5, among each figure, (30) be brake cylinder, (1) is the wheel cylinder pump housing, (2) be left small piston, (3) be the small piston seal ring, (4) be small piston plug cock dust-proof cover, (5) be big piston, (6) be the big piston seal ring, (7) be big piston plug cock dust-proof cover, (8) are braking plate, and (9) are grip block, (10) be the small piston deflating valve, (11) took over the whelk nail for a left side, (12) are junction pipe, and (13) are left small piston hole, (14) be the big piston mounting hole, (15) for the small piston deflating valve tapped hole is installed, (16) install tapped hole for the big piston oil pipe, and (17) install tapped hole for the small piston oil pipe, (18) for grip block tapped hole is installed, (19) for the big piston deflating valve tapped hole is installed, (20) are the big piston deflating valve, and (21) took over the whelk nail for the right side, (22) be right small piston, (23) be right small piston hole, (24) are the grip block assembly parts, and (25) are guide pillar, (26) be the braking plate locating stud, (27) be the braking plate flat board, (28) are friction material, and (29) are the locating stud mounting hole.
Brake cylinder (30) is by the wheel cylinder pump housing (1), left small piston (2), small piston seal ring (3), small piston plug cock dust-proof cover (4), and big piston (5), big piston seal ring (6), big piston plug cock dust-proof cover (7), braking plate (8), grip block (9), small piston deflating valve (10), a left side took over that whelk nail (21) was taken on whelk nail (11), junction pipe (12), big piston deflating valve (20), the right side, right small piston (22) is formed.
As shown in Figure 1, left side small piston (2), big piston (5) and right small piston (22) are installed in respectively in left small piston hole (13), big piston mounting hole (14) and the right small piston hole (23) of the wheel cylinder pump housing (1), and the diameter of left small piston (2) and right small piston (22) is
Millimeter extremely
Millimeter, the diameter of big piston (5) is
Millimeter, above-mentioned three piston hole inside at the wheel cylinder pump housing (1) have processed the twice groove, be used for installing small piston seal ring (3), small piston plug cock dust-proof cover (4), big piston seal ring (6) and big piston plug cock dust-proof cover (7) respectively, the cross section of small piston seal ring (3) is a square, and the cross section of big piston seal ring (6) also is a square.
As shown in Figure 2, at the small piston deflating valve of opening on the wheel cylinder pump housing (1) small piston deflating valve (10) and the big piston deflating valve (20) that is separately installed with on tapped hole (16) and the big piston deflating valve installation tapped hole (19) as shown in fig. 1 is installed, the oiling exhaust is used during for oiling.
As shown in Figure 1, be processed with the grip block mounting hole in the both sides of the wheel cylinder pump housing, be used for installing the guide pillar (25) of and arranged on left and right sides, two guide pillars (25) are installed in the guide pillar mounting hole of grip block (9), both are connected drive fit, on grip block (9) two braking plate locating studs (26) that side guide pillar (25) is held in addition in addition two braking plates staggered relatively (8) are installed.
As shown in Figure 2, junction pipe (12) two ends are separately installed with a left side and took over whelk nail (11) and the right side and took over whelk and follow closely (21), a left side was taken over whelk nail (11) and the right side and was taken over whelk and follow closely (21) junction pipe (12) is installed on the wheel cylinder pump housing (1), and left small piston hole (13) is connected with right small piston hole (23).
Referring to Fig. 2 and Fig. 3, big piston oil pipe on the wheel cylinder pump housing (1) is installed tapped hole (16) and with the small piston oil pipe oil pipe that respectively is connected one tunnel hydraulic braking sytem on the tapped hole (17) respectively is installed, so that respectively big piston mounting hole (14) and left small piston hole (13), right small piston hole (23) are supplied hydraulic oil.
Referring to Fig. 4, on the wheel cylinder pump housing (1) one side, have three grooves, so that alleviate the deadweight of the wheel cylinder pump housing (1).
Referring to Fig. 1 and Fig. 4, two braking plates (8) are sleeved on the braking plate locating stud (26).
Referring to Fig. 5, have three sight holes at the wheel cylinder pump housing (1) opposite side, can observe the abrasion condition of the friction material (28) on the braking plate (8).
Referring to Figure 20 and Figure 21, on the braking plate flat board (27) of every braking plate (8), be bonded with friction material (28), every braking plate (8) both sides all have locating stud mounting hole (29), two locating stud mounting holes (29) of braking plate (8) are sleeved on the braking plate locating stud (26), thereby two braking plates (8) all are sleeved on the braking plate locating stud (26).
Referring to Figure 22 and Figure 23, grip block assembly parts (24) is made up of grip block (9), guide pillar (25) and braking plate locating stud (26).
Respectively have a grip block in the and arranged on left and right sides portion of grip block (9) tapped hole (18) is installed, grip block (9) can be installed in car body not on the part with wheel by screw.
As Figure 22 and shown in Figure 23, the braking plate locating stud of and arranged on left and right sides is installed on respectively in the braking plate locating stud pin-and-hole of grip block (9) and arranged on left and right sides.
Claims (7)
1, a kind of three-piston brake cylinder used for all-terrain vehicle hydraulic braking system, it is characterized in that in the left small piston hole (13) on the wheel cylinder pump housing (1) of three piston deceleration wheel cylinders (30) left small piston (2) being installed, in the right small piston hole (23) right small piston (22) is installed, big piston (5) is installed in the big piston mounting hole (14), in the twice groove in left small piston hole (13) and in the twice groove in right small piston hole (23), small piston seal ring (3) and small piston plug cock dust-proof cover (4) are installed all respectively, in the twice groove of big piston mounting hole (14), are separately installed with big piston seal ring (6) and big piston plug cock dust-proof cover (7); Guide pillar (25) on the grip block (9) is installed in the grip block guide pillar mounting hole of the wheel cylinder pump housing (1); Two locating stud mounting holes (29) of braking plate (8) are sleeved on two braking plate locating studs (26) of grip block (9) slidably; In installing tapped hole (15) and big piston deflating valve installation tapped hole (19), the small piston deflating valve of the wheel cylinder pump housing (1) is separately installed with small piston deflating valve (10) and big piston deflating valve (20); Junction pipe (12) was taken over whelk nail (11) and the right side by a left side and was taken over whelk and follow closely (21) and be installed on the wheel cylinder pump housing (1).
2, a kind of three-piston brake cylinder used for all-terrain vehicle hydraulic braking system according to claim 1, it is characterized in that having on the wheel cylinder pump housing (1) the big piston oil pipe that tapped hole (16) and small piston oil pipe installation tapped hole (17) are installed, each is connected with the oil pipe of one tunnel hydraulic braking sytem respectively.
3, a kind of three-piston brake cylinder used for all-terrain vehicle hydraulic braking system according to claim 1, it is characterized in that on three piston deceleration wheel cylinders (30), the identical braking plate of two chip architectures (8) being arranged, all be bonded with friction material (28) on the braking plate flat board (27) of every braking plate (8), respectively have a locating stud mounting hole (29) in braking plate flat board (27) both sides, two locating stud mounting holes (29) are round tube hole.
4, a kind of three-piston brake cylinder used for all-terrain vehicle hydraulic braking system according to claim 1 is characterized in that the and arranged on left and right sides of grip block (9) respectively has a grip block installation tapped hole (18), and it is round tube hole that grip block is installed tapped hole (18); Respectively be coated with a guide pillar (25) and a braking plate locating stud (26) at grip block (9) two ends, guide pillar (25) connects as one part with braking plate locating stud (26).
5, a kind of three-piston brake cylinder used for all-terrain vehicle hydraulic braking system according to claim 1 is characterized in that small piston seal ring (3) cross section is a square, and big piston seal ring (6) cross section also is a square.
6, a kind of three-piston brake cylinder used for all-terrain vehicle hydraulic braking system according to claim 1 is characterized in that the external diameter of left small piston (2) and right small piston (22) is
Millimeter extremely
Millimeter; The external diameter of big piston (5) is
Millimeter.
7, a kind of three-piston brake cylinder used for all-terrain vehicle hydraulic braking system according to claim 1 is characterized in that having three grooves on the wheel cylinder pump housing (1) one side, has three sight holes on the opposite side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200306708U CN201152330Y (en) | 2008-01-16 | 2008-01-16 | Allterrain vehicle hydraulic braking system three-piston brake cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200306708U CN201152330Y (en) | 2008-01-16 | 2008-01-16 | Allterrain vehicle hydraulic braking system three-piston brake cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201152330Y true CN201152330Y (en) | 2008-11-19 |
Family
ID=40128008
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200306708U Expired - Fee Related CN201152330Y (en) | 2008-01-16 | 2008-01-16 | Allterrain vehicle hydraulic braking system three-piston brake cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201152330Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101520072B (en) * | 2008-02-25 | 2012-04-25 | 通用汽车环球科技运作公司 | Clutch with dual area piston and independent pressure control |
| CN104943802A (en) * | 2014-03-28 | 2015-09-30 | 光阳工业股份有限公司 | Disc brake caliper device |
| CN106763310A (en) * | 2017-01-15 | 2017-05-31 | 临沂金盛机械配套有限公司 | A kind of three cylinder calipers |
| CN106763347A (en) * | 2017-01-15 | 2017-05-31 | 临沂金盛机械配套有限公司 | A kind of Novel brake pincers |
-
2008
- 2008-01-16 CN CNU2008200306708U patent/CN201152330Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101520072B (en) * | 2008-02-25 | 2012-04-25 | 通用汽车环球科技运作公司 | Clutch with dual area piston and independent pressure control |
| CN104943802A (en) * | 2014-03-28 | 2015-09-30 | 光阳工业股份有限公司 | Disc brake caliper device |
| CN106763310A (en) * | 2017-01-15 | 2017-05-31 | 临沂金盛机械配套有限公司 | A kind of three cylinder calipers |
| CN106763347A (en) * | 2017-01-15 | 2017-05-31 | 临沂金盛机械配套有限公司 | A kind of Novel brake pincers |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081119 Termination date: 20140116 |