CN202188044U - Disc brake - Google Patents
Disc brake Download PDFInfo
- Publication number
- CN202188044U CN202188044U CN2011202889820U CN201120288982U CN202188044U CN 202188044 U CN202188044 U CN 202188044U CN 2011202889820 U CN2011202889820 U CN 2011202889820U CN 201120288982 U CN201120288982 U CN 201120288982U CN 202188044 U CN202188044 U CN 202188044U
- Authority
- CN
- China
- Prior art keywords
- shift fork
- hole
- shifting block
- seat
- leaf spring
- 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 - Lifetime
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Abstract
The utility model discloses a disc brake, which comprises a pushing device. The pushing device comprises a ratchet, a ratchet seat, an adjusting screw, a draw rod and a support. The disc brake further comprises a pushing rod, a pushing rod seat, a shifting fork, a shifting fork seat, a shifting fork spring, a shifting block, a shifting block plate spring and an adjustable connecting rod. The adjustable connecting rod is formed by a fixing seat, a connecting rod adjusting bolt, a fixing nut, a lock nut and a movable connecting block. The fixing seat is arranged on the pushing rod, the connecting rod adjusting bolt is arranged in a through hole on the fixing seat in penetrating mode, and the fixing but is sleeved on the connecting rod adjusting bolt. The lock nut is sleeved on the connecting rod adjusting bolt, the lock nut is located in a groove in the middle of the movable connecting block and can not move in the groove, a connecting hole arranged at the right end of the movable connecting block, a front hole of the shifting fork and a front hole of the shifting fork plate is sleeved on a front pin shaft to form movable connection, one end of the shifting fork spring is buckled on concave portions arranged at the front ends of the shifting fork and the shifting fork plate spring respectively, and the other end of the shifting fork spring is buckled on a fastening hole on a limit block at the rear end of the shifting fork seat.
Description
Technical field
The utility model relates to a kind of braking device of electric vehicle, especially a kind of disk type braker.
Background technique
The Disk brake apparatus of existing a kind of electric vehicle mainly is made up of dish hub, braking hub, left friction plate, right friction plate, left friction disc support, right friction disc support and ejector apparatus.A kind of disk type braker that comes to this that proposes among the utility model patent ZL200820030793.1 that for example on January 12nd, 2008 was announced.The ejector apparatus of this disk type braker contains bearing, slide plate frame, connecting rod, pusher dog, pusher dog seat, ratchet, pawl seat, adjusting bolt, shifting board, pull bar.Regulating bolt is installed in the screw in the ratchet central authorities screw; Ratchet is inserted on the pawl seat; Pawl seat is assembled on the shifting board with slide plate frame, pusher dog, pusher dog seat, connecting rod, pull bar, and shifting board can make its free left and right moving in this groove through the bearing pin that is installed in the bearing elongated slot.When braking; Pull bar promotes the slide plate frame moves it laterally; Thereby make adjusting bolt that is positioned at the shifting board left side and the slide plate frame that is positioned at the right side distinguish the free end of the left and right friction disc support of ejection simultaneously, make left and right friction plate realize braking simultaneously with braking side contacts in the hub like this.The wear compensation of friction plate is the pusher dog promotion ratchet rotation through ejector apparatus, makes the bolt that is installed in the ratchet central authorities screw move the compensation that realizes the friction disc wear amount laterally.Because pusher dog links through connecting rod and slide plate frame, therefore have only when the actual amount of movement of slide plate frame surpasses normal amount, pusher dog just can be stirred ratchet makes the adjusting bolt outwards move the wear extent with the friction compensation sheet.In practice; In order to improve the working life of braking effect, the left friction plate of prolongation and right friction plate; Optimum value is adjusted in the gap that needs will brake in advance between hub and left friction plate and the right friction plate; Rotate to make and regulate bolt and outwards move in the process that reaches above-mentioned gap stirring ratchet through pusher dog; Because when the actual amount of movement of slide plate frame surpasses set amount, pusher dog just can stir ratchet and make and regulate bolt and outwards move; And when the gap between braking hub and left friction plate and the right friction plate during also greater than optimum value, the actual amount of movement of slide plate frame is often just less than set amount, so just caused pusher dog can't stir ratchet and made and regulate that bolt is outside mobilely adjusts to optimum value with the gap.In addition because pusher dog is formed by the sheet iron cutting, intensity is low, deform easily, therefore influenced the stability that ratchet is stirred, and makes the wear extent of friction plate can not get compensating timely, reduced the reliability of braking.
The model utility content
The technical problem that the utility model will solve provides a kind of disk type braker, and this disk type braker not only is convenient to regulate the gap between braking hub and left friction plate and the right friction plate, and the good reliability of braking.
For solving the problems of the technologies described above, a kind of disk type braker of the utility model contains dish hub, braking hub, left friction plate, right friction plate, left friction disc support, right friction disc support and ejector apparatus; Ejector apparatus contains ratchet, pawl seat, adjusting screw rod, pull bar, bearing, and pawl seat is arranged on the left end on bearing top, and ratchet is installed on the pawl seat; Adjusting screw rod is contained in the screw of ratchet central authorities, and the free end of right friction disc support is arranged in the groove that the adjusting screw rod outer end is provided with, and said ejector apparatus also contains push rod, tip-lever support, shift fork, shift fork seat, shift fork spring, shifting block, shifting block leaf spring, adjustable connecting rod; Tip-lever support is arranged on the right-hand member on bearing top; Push rod is installed in the through hole of tip-lever support central authorities, and the left end of push rod withstands on the free end of left friction disc support, and the right-hand member of push rod is provided with opening slot; The upper end portion of said pull bar is arranged in this opening slot; The slotted hole that said rest base is provided with, the outside that is positioned at rest base are passed in the underpart of pull bar, and the top of pull bar is provided with through hole, and this through hole is equipped with bearing pin; This bearing pin is installed on the pin shaft hole that bearing is provided with; The front end of this bearing pin is installed on the positioning hole of shift fork seat front, and shift fork seat front is provided with fixed hole, and the shift fork seat is fixed on the bearing shift fork seat through this fixed hole and fixing bolt; Shift fork is provided with preceding hole and metapore; Shift fork is positioned at the top of shift fork seat, and the metapore of shift fork and the pin-and-hole that is provided with above the shift fork seat are sleeved on the rear pin shaft to constitute and flexibly connect, and shifting block is installed in the shifting block hole that shift fork is provided with; The shifting block leaf spring is provided with the preceding hole of shift fork and the corresponding preceding hole of metapore and metapore, shifting block leaf spring and also is provided with small through hole; The shifting block leaf spring be positioned at shift fork above, the metapore of shifting block leaf spring is corresponding with the metapore of shift fork, the metapore of shifting block leaf spring is fixedly set in the upper end portion of rear pin shaft; The small through hole of shifting block leaf spring is sleeved on the left limit end of shifting block; Part between shifting block leaf spring right-hand member and the small through hole is between the left limit end and right limit end of shifting block, and adjustable connecting rod is made up of fixed base, lever regulated bolt, set screw nut, lock nut and flexible connection piece, and fixed base is arranged on the push rod; Lever regulated bolt is installed in the through hole that fixed base is provided with; Set screw nut is sleeved on the lever regulated bolt and is positioned at the right side of fixed base, and lock nut is sleeved on the lever regulated bolt, and lock nut is arranged in the groove and the lock nut that flexibly connect the piece middle part and can not rotates at the groove that flexibly connects the piece middle part; Constitute flexible connection on the bearing pin before the preceding borehole jack that flexibly connects preceding hole and the shifting block leaf spring of attachment hole that the piece right-hand member is provided with and shift fork is contained in, an end of shift fork spring is buckled on the recess that shift fork front end and shift fork leaf spring front end be respectively equipped with, the other end of shift fork spring is buckled on the button hole on the shift fork base rear end limiting stopper.
In the ejector apparatus of above-mentioned disk type braker; Owing to adopted adjustable connecting rod; When needs will be braked gap between hub and left friction plate and the right friction plate when adjusting to an optimum value in advance; Rotate to make and regulate bolt and outwards move in the process that reaches above-mentioned gap optimum value stirring ratchet through shifting block; When the gap between braking hub and left friction plate and the right friction plate during also greater than optimum value; And the actual amount of movement of push rod just less than set amount, make shift fork can not drive shifting block to stir ratchet and make and regulate bolt and outwards move, at this moment can change shifting block and ratchet position through the length of adjusting adjustable connecting rod, so just can be during less than set amount at the actual amount of movement of push rod; Shift fork drive shifting block is stirred ratchet makes outside the moving of adjusting screw rod make the gap adjust to optimum value, and therefore above-mentioned disk type braker can be convenient to regulate the gap between braking hub and left friction plate and the right friction plate; Because shifting block is installed in the shift fork hole, and the shifting block leaf spring is pressed on the shifting block, and shifting block is board making with shift fork and forms on the one hand, therefore can not deform and influences the stability that ratchet is stirred, thereby improve the reliability of braking greatly; The shifting block leaf spring is pressed on the shifting block on the other hand, can make like this shifting block can be in the shift fork hole moving up and down, thereby strengthened the reliability that shifting block is stirred ratchet.
Description of drawings
Fig. 1 is the structural representation of a kind of disk type braker of the utility model.
Fig. 2 is the plan view of Fig. 1.
Fig. 3 is the local enlarged diagram of Fig. 1.
Fig. 4 is the structural representation of shift fork, and Fig. 5 is the right elevation of Fig. 4, and Fig. 6 is the plan view of Fig. 4.
Fig. 7 is the structural representation that flexibly connects piece.
The structural representation of Fig. 8 shifting block leaf spring.
Fig. 9 is the structural representation of shift fork.
Figure 10 is the structural representation of shifting block.
Figure 11 is the structural representation of bearing, and Figure 12 is the plan view of Figure 11, and Figure 13 is the left view of Figure 11.
Figure 14 is the structural representation of push rod.
Figure 15 is the structural representation of fixed base, and Figure 16 is the right elevation of Figure 15.
Figure 17 is the structural representation of pull bar.
Figure 18 is the structural representation of ratchet, and Figure 19 is the left view of Figure 18.
Figure 20 is the structural representation of adjusting screw rod.
1. dish hubs among the figure, 2. left friction disc support, 3. left friction plate, 4. braking hub, 5. push rod, 6. lever regulated bolt, 7. fixed base, 8. set screw nut; 9. lock nut 10. flexibly connects piece, 11. preceding bearing pins, 12. bearing pins, 13. shift fork seats, 14. shift fork springs, 15. shifting block leaf springs, 16. shifting blocks; 17. shift fork, 18. pawl seats, 19. adjusting screw rods, 20. right friction disc supports, 21. right friction plates, 22. ratchets, 23. bearings, 24. fixing bolts; 25. opening slot, 26. pull bars, 27. tip-lever supports, 28. back extension springs, 29. preceding extension springs, 30. rear pin shafts, 31. small through hole, 32. fixed holes; 33. limiting stopper, 34. button holes, 35. pin-and-holes, 36. grooves, 37. attachment holes, 38. metapores, 39. preceding holes, 40. shift fork recesses; 41. the shifting block hole, 42. left limit ends, 43. right limit ends, 44. fixing threaded holes, 45. pin shaft holes, 46. shift fork leaf spring recesses, 47. through holes.
Embodiment
As depicted in figs. 1 and 2, a kind of disk type braker contains dish hub 1, braking hub 4, left friction plate 3, right friction plate 21, left friction disc support 2, right friction disc support 20, ejector apparatus.Dish hub 1 is sleeved in the braking hub 4, and an end of left friction disc support 2 one ends and right friction disc support 20 constitutes flexible connection with the bottom of coiling hub 1 respectively.Extension spring 29 and back extension spring 28 before being provided with between a left side friction disc support 2, the right friction disc support 20, left friction plate 3, right friction plate 21 are separately positioned on the outer circumferential face of left friction disc support 2, right friction disc support 20.Ejector apparatus contains ratchet 22, pawl seat 18, adjusting screw rod 19, pull bar 26, bearing 23.Pawl seat 18 is arranged on the left end on bearing 23 tops.Ratchet 22 is installed on the pawl seat 18, and adjusting screw rod 19 is contained in the screw of ratchet 22 central authorities.The free end of right friction disc support 20 is arranged in the groove that adjusting screw rod 19 outer ends are provided with.Said ejector apparatus also contains push rod 5, tip-lever support 27, shift fork 17, shift fork seat 13, shift fork spring 14, shifting block 16, shifting block leaf spring 15, adjustable connecting rod.Shown in figure 11, tip-lever support 27 is arranged on the right-hand member on bearing 23 tops, and push rod 5 is installed in the through hole of tip-lever support 27 central authorities.The left end of push rod 5 withstands on the free end of left friction disc support 2.The right-hand member of push rod 5 is provided with opening slot 25.The upper end portion of said pull bar 26 is arranged in this opening slot 25; The slotted hole that said bearing 23 bottoms are provided with, the outside that is positioned at bearing 23 bottoms are passed in the underpart of pull bar 26; The top of pull bar 26 is provided with through hole 47, and this through hole 47 is equipped with bearing pin 12, and this bearing pin 12 is installed on the pin shaft hole 45 that bearing 23 is provided with; The front end of this bearing pin 12 is installed on the positioning hole 31 of shift fork seat 13 fronts, and shift fork seat 13 fronts are provided with fixed hole 32.Shift fork seat 13 is fixed on the bearing 23 shift fork seat 13 through this fixed hole 32 with fixing bolt 24.Shift fork 17 is provided with preceding hole 39 and metapore 38, and shift fork 17 is positioned at the top of shift fork seat 13, and the metapore 38 of shift fork 17 is sleeved on to constitute on the rear pin shaft 30 with the pin-and-hole 35 that is provided with above the shift fork seat 13 and flexibly connects.Shifting block 16 is installed in the shifting block hole 41 that shift fork 17 is provided with.Shifting block leaf spring 15 is provided with the preceding hole of shift fork 17 39 and metapore 38 corresponding preceding holes and metapore, shifting block leaf spring 15 and also is provided with small through hole 31; Shifting block leaf spring 15 be positioned at shift fork 17 above; The metapore of shifting block leaf spring 15 is corresponding with the metapore 38 of shift fork 17, and the metapore of shifting block leaf spring 15 is fixedly set in the upper end portion of rear pin shaft 30.The small through hole 31 of shifting block leaf spring 15 is sleeved on the left limit end 42 of shifting block 16, and the part between shifting block leaf spring 15 right-hand members and the small through hole 31 is between the left limit end 42 and right limit end 43 of shifting block 16.Adjustable connecting rod is made up of fixed base 7, lever regulated bolt 6, set screw nut 8, lock nut 9 and flexible connection piece 10.Fixed base 7 is arranged on the push rod 5; Lever regulated bolt 6 is installed in the through hole that fixed base 7 is provided with; Set screw nut 8 is sleeved on the lever regulated bolt 6 and is positioned at the right side of fixed base 8; Lock nut 9 is sleeved on the lever regulated bolt 6; Lock nut 9 is arranged in the groove 36 and the lock nut 9 that flexibly connect piece 10 middle parts and can not rotates at the groove that flexibly connects piece 10 middle parts 36, constitutes on the bearing pin 11 before the preceding borehole jack of the attachment hole 37 that flexible connection piece 10 right-hand members are provided with and the preceding hole 39 of shift fork 17 and shifting block leaf spring 15 is contained in to flexibly connect.One end of shift fork spring 14 is buckled on the recess 46 that recess 40 that shift fork 17 front ends are provided with and shift fork leaf spring 15 front ends are provided with, the other end of shift fork spring 14 is buckled on the button hole 34 on the shift fork seat 13 rear end limiting stoppers 33.In the ejector apparatus of above-mentioned disk type braker; Owing to adopted adjustable connecting rod; When needs will be braked gap between hub 4 and left friction plate 3 and the right friction plate 21 when adjusting to an optimum value in advance, rotate adjusting screw rod 19 is outwards moved in the process that reaches above-mentioned gap optimum value stirring ratchet 22 through shifting block 16, when the gap between braking hub 4 and left friction plate 3 and the right friction plate 21 during also greater than the gap optimum value; And the actual amount of movement of push rod 5 just less than set amount, can not make shift fork 17 drive shifting blocks 16 to stir ratchet 22 adjusting screw rod 19 is outwards moved; At this moment can change shifting block 16 and ratchet position through the length of adjusting adjustable connecting rod, concrete regulating method is, through rotating lever regulated bolt 6; The distance that makes fixed base 7 and flexibly connect between the piece 10 obtains changing; Promptly flexibly connect piece 10 near or away from fixed base 7, at this moment shift fork 17 changes shifting block 16 and ratchet position around rear pin shaft 30 clockwise or rotate counterclockwise; Thereby can be during less than set amount at the actual amount of movement of push rod 5; Shift fork 17 drive shifting blocks 16 are stirred ratchet 22 outwards moves adjusting screw rod 19, makes the gap adjust to optimum value, and therefore above-mentioned disk type braker can be convenient to regulate the gap between braking hub 4 and left friction plate 3 and the right friction plate 21.Because shifting block 16 is installed in the shift fork hole 41; And shifting block leaf spring 15 is pressed on the shifting block 16; One side shifting block 16 is board making with shift fork 17 and forms; Therefore can not deform and influence, thereby the wear extent of left friction plate 3 and right friction plate 21 is compensated timely the stirring of ratchet 22, improved greatly braking reliability, prolonged working life of left friction plate 3 and right friction plate 21; Shifting block leaf spring 15 is pressed on the shifting block 16 on the other hand, can make like this shifting block 16 can be in shift fork hole 41 moving up and down, thereby further strengthened the reliability that 16 pairs of ratchets 22 of shifting block are stirred.
Claims (1)
1. a disk type braker contains dish hub, braking hub, left friction plate, right friction plate, left friction disc support, right friction disc support and ejector apparatus, and ejector apparatus contains ratchet, pawl seat, adjusting screw rod, pull bar, bearing; Pawl seat is arranged on the left end on bearing top, and ratchet is installed on the pawl seat, and adjusting screw rod is contained in the screw of ratchet central authorities; The free end of right friction disc support is arranged in the groove that the adjusting screw rod outer end is provided with; It is characterized in that: said ejector apparatus also contains push rod, tip-lever support, shift fork, shift fork seat, shift fork spring, shifting block, shifting block leaf spring, adjustable connecting rod, and tip-lever support is arranged on the right-hand member on bearing top, and push rod is installed in the through hole of tip-lever support central authorities; The left end of push rod withstands on the free end of left friction disc support; The right-hand member of push rod is provided with opening slot, and the upper end portion of said pull bar is arranged in this opening slot, and the slotted hole that said rest base is provided with, the outside that is positioned at rest base are passed in the underpart of pull bar; The top of pull bar is provided with through hole; This through hole is equipped with bearing pin, and this bearing pin is installed on the pin shaft hole that bearing is provided with, and the front end of this bearing pin is installed on the positioning hole of shift fork seat front; Shift fork seat front is provided with fixed hole; The shift fork seat is fixed on the bearing shift fork seat through this fixed hole and fixing bolt, and shift fork is provided with preceding hole and metapore, and shift fork is positioned at the top of shift fork seat; The metapore of shift fork and the pin-and-hole that is provided with above the shift fork seat are sleeved on to constitute on the rear pin shaft and flexibly connect; Shifting block is installed in the shifting block hole that shift fork is provided with, and the shifting block leaf spring is provided with the preceding hole of shift fork and the corresponding preceding hole of metapore and metapore, shifting block leaf spring and also is provided with small through hole, the shifting block leaf spring be positioned at shift fork above; The metapore of shifting block leaf spring is corresponding with the metapore of shift fork; The metapore of shifting block leaf spring is fixedly set in the upper end portion of rear pin shaft, and the small through hole of shifting block leaf spring is sleeved on the left limit end of shifting block, and the part between shifting block leaf spring right-hand member and the small through hole is between the left limit end and right limit end of shifting block; Adjustable connecting rod is made up of fixed base, lever regulated bolt, set screw nut, lock nut and flexible connection piece; Fixed base is arranged on the push rod, and lever regulated bolt is installed in the through hole that fixed base is provided with, and set screw nut is sleeved on the lever regulated bolt and is positioned at the right side of fixed base; Lock nut is sleeved on the lever regulated bolt; Lock nut is arranged in the groove and the lock nut that flexibly connect the piece middle part and can not rotates at the groove that flexibly connects the piece middle part, constitutes flexible connection on the bearing pin before the preceding borehole jack that flexibly connects preceding hole and the shifting block leaf spring of attachment hole that the piece right-hand member is provided with and shift fork is contained in, and an end of shift fork spring is buckled on the recess that shift fork front end and shift fork leaf spring front end be respectively equipped with, the other end of shift fork spring is buckled on the button hole on the shift fork base rear end limiting stopper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202889820U CN202188044U (en) | 2011-08-10 | 2011-08-10 | Disc brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202889820U CN202188044U (en) | 2011-08-10 | 2011-08-10 | Disc brake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202188044U true CN202188044U (en) | 2012-04-11 |
Family
ID=45919497
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202889820U Expired - Lifetime CN202188044U (en) | 2011-08-10 | 2011-08-10 | Disc brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202188044U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102297220A (en) * | 2011-08-10 | 2011-12-28 | 朱荣良 | Disc brake |
| CN108603546A (en) * | 2015-12-22 | 2018-09-28 | Bpw 矿用轴公司 | The brake lining holding meanss of vehicle disc brake, the camber member of brake lining, brake lining holding meanss |
-
2011
- 2011-08-10 CN CN2011202889820U patent/CN202188044U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102297220A (en) * | 2011-08-10 | 2011-12-28 | 朱荣良 | Disc brake |
| CN102297220B (en) * | 2011-08-10 | 2013-01-23 | 朱荣良 | Disc brake |
| CN108603546A (en) * | 2015-12-22 | 2018-09-28 | Bpw 矿用轴公司 | The brake lining holding meanss of vehicle disc brake, the camber member of brake lining, brake lining holding meanss |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120411 Effective date of abandoning: 20130306 |
|
| RGAV | Abandon patent right to avoid regrant |