CN201002692Y - Machinery disc type brake - Google Patents
Machinery disc type brake Download PDFInfo
- Publication number
- CN201002692Y CN201002692Y CNU2007201234793U CN200720123479U CN201002692Y CN 201002692 Y CN201002692 Y CN 201002692Y CN U2007201234793 U CNU2007201234793 U CN U2007201234793U CN 200720123479 U CN200720123479 U CN 200720123479U CN 201002692 Y CN201002692 Y CN 201002692Y
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- CN
- China
- Prior art keywords
- caliper
- rotating disk
- brake
- screw
- compensation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to a mechanical brake disc that comprises a nipper body, a lower brake shoe, an upper brake shoe, a driving rotor plate and a driven rotor plate both arranged in the internal chamber of the nipper body, a rocker arm connected with the upper end of the driving rotor plate, and a plurality of balls respectively arranged between the three tapered holes on the driving rotor plate and the driven rotor plate that correspond to one another. The utility model is characterized in that a clearance compensating screw bolt cooperates with a nut; the end of the torsion spring sleeved on the clearance compensating screw bolt is inserted into an axial hole on the driving rotor plate, the lower end of the clearance compensating screw bolt contacts the piston arranged in the lower part of the internal chamber of the nipper body, and the bottom of the piston contacts the upper brake shoe; and two sliding pins on a connecting plate separately cooperate with the two sliding chutes on both sides of the nipper body, and the upper opening and the center hole of the sliding chutes are respectively provided with a lower release spring and an upper release spring. The utility model has the advantages that the compensating device is rigid and flexible in operation, and the braking and release of braking are reliable.
Description
Technical field
The utility model relates to vehicle braking device, is specifically related to a kind of mechanical disc-type brake.
Background technology
At present, the drg fluid pressure type of using on the motor bike more.The characteristics of hydraulic brake be braking steadily, but have unsafe hidden danger, break etc. as leakage of oil, oil pipe are aging, and cost is higher.The mechanical brake cost is lower, can realize braking under the bigger situation of brake component and tumbler slip, thereby be applicable to motor bike.As disclosed application for a patent for invention that is called " lever clutch and lever stop " of CN1157886A, be exactly a kind of mechanical brake.This drg comprises driving link, driven member, steering unit and compensation mechanism, is provided with leverage between driving link and driven member.Be characterized in that control run is short, laborsaving, but the part of leverage adopts against cooperation more, the changing of the relative positions takes place easily, thereby poor reliability, the situation of braking failure or locking happens occasionally.And for example the patent No. is that ZL02222067.4, name are called the utility model patent of " a kind of brake for motorcycle ", has adopted rocking arm abrasive disk type structure.The good braking effect of this drg, but rocker compensating gear is comparatively complicated, behind the brake off, the separation return of brake strap is to rely on the brake disc tampering action that rotates up and down, and do not have other setting to make the mechanism of brake strap return, so, the poor reliability of brake off.And for example the patent No. is that the utility model patent that ZL03234690.5, name are called " a kind of mechanical disc-type brake " has adopted the simple torsional spring type follow-up of structure compensating device, but because of an end of torsion spring is fixed, back and forth stressed in the use, the easy fracture by fatigue of spring loses the function of compensation.In addition, also there is the inflexible defective of rotation.Therefore, need further to be improved.
Summary of the invention
The purpose of this utility model provides a kind of mechanical disc-type brake, and it can make brake strap separate return reliably, and the compensating device stressing conditions is good, the gap of friction compensation pad wear generation in time, and braking and releasing braking are reliable.
A kind of mechanical disc-type brake described in the utility model comprises caliper, be fixed on the following brake strap on the caliper lower jaw and paste following friction lining on it with screw rod, go up brake plate and paste upper friction plate on it with following brake strap is cooresponding, be located at caliper inner chamber top and upper end and stretch out the active rotating disk of caliper, with main rolling disc upper end bonded assembly rocking arm, be located under the rotating disk initiatively and cylindrical is provided with the driven rotating disk of skewed slot, the guider screw that inserts the skewed slot of driven rotating disk from the screw screw-in and the end of caliper outside, be located at the ball between active rotating disk and three conical pits in correspondence with each other of driven rotating disk respectively.
It is characterized in that: be provided with cylindrical and caliper inner chamber nut engaged under driven rotating disk, the cylindrical of nut is provided with straight trough, and rotation stopping screw screws in from the screw of caliper outside, and insert in the straight trough its end; Top is compensation of play screw rod screw-in below nut that polished rod, bottom are provided with screw thread, passes the hole of driven center of turntable and stretches in the hole of active center of turntable; An end that is enclosed within the torsion spring of compensation of play screw rod top polished rod inserts in the axial aperture on the rotating disk initiatively, and maintains tolerance clearance; The lower end of compensation of play screw rod contacts with the top of piston that is located at caliper inner chamber bottom, and the following and last brake strap of piston contacts.
Glancing impact, turn an angle with motorcycle handle or stretcher bonded assembly rocking arm, the upper end also turns an angle with rocking arm bonded assembly active rotating disk thereupon, at this moment, initiatively three mutual cooresponding conical pits of rotating disk and driven rotating disk stagger, three balls are forced to be clipped between the conical pit inclined-plane, and ejection rotating disk initiatively up, up move with the sliding sleeve on the caliper that the active rotating disk cooperates and two sliding pins that are contained on the connecting panel, the following brake strap that is fixed on the caliper lower jaw with screw rod also up moves, stick on down on the brake strap following friction lining promptly be contained in brake disc on the motor bike wheel shaft below be adjacent to; Meanwhile, three balls are down passed driven rotating disk, be located under the driven rotating disk and cylindrical and caliper inner chamber nut engaged are provided with straight trough because of cylindrical, insert in the straight trough end of the rotation stopping screw that the screw outside caliper screws in, nut can not rotate, so, this nut is down passed, the piston that promptly promotes to contact with it with the lower end of nut bonded assembly compensation of play screw rod moves down, also move down with the last brake strap that piston contacts below thereupon, stick on the brake strap friction lining promptly be contained in brake disc on the motor bike wheel shaft above be adjacent to, thereby realize the failure-free braking.
Under motor bike stops motoring condition, wheel and brake disc transfixion, do not relatively rotate between friction lining and the brake disc, there is not skimming wear yet, in this case, original gap Smm (approximately 0.4mm) is arranged between friction lining and the brake disc, no matter brake and the take-off the brake how many times, it is constant to remain original gap S mm between friction lining and the brake disc.At glancing impact, initiatively the rotating disk α that turns an angle from the initial position rolls ball along the conical surface in conical pit, promotes driven rotating disk and not only rotates but also move axially.Promote compensation of play screw rod, nut, piston, friction lining again and move axially, press to brake disc, eliminate the gap between friction lining and the brake disc, and produce braking force.When take-off the brake, initiatively the rotating disk certain angle α that can reverse gets back to the initial position.Ball, driven rotating disk, compensation of play screw rod, nut, piston, friction lining are all got back to the initial position under the effect of spring force, the gap between friction lining and the brake disc is returned to Smm again.
Insert because of an end of torsion spring in the axial aperture of rotating disk initiatively, glancing impact, torsion spring is followed initiatively dial rotation certain angle β, the original internal diameter of torsion spring increases, the torsion spring that is rolled on the compensation of play screw rod is unclamped, but torsion spring still has certain tightening force at the compensation of play screw rod, the friction force that the compensation of play screw rod is subjected to rubbery friction ring is bigger, torsion spring can not compensate screw rod by running clearance, and slides on the compensation of play screw rod.During take-off the brake, active rotating disk counter-rotating certain angle α, the torsion spring certain angle β that also thereupon reverses, the torsion spring internal diameter dwindles, polished rod banding with compensation of play screw rod top, be returned to the initial position, at this moment torsion spring does not have running clearance compensation screw rod, and the compensation of play screw rod can axially not move in nut yet.Gap between friction lining and the brake disc still remains Smm.
Under the motorcycle driving state, wheel and brake disc rotate.Work as glancing impact, friction lining is during because of drag friction wearing and tearing attenuate Δ Smm, and initiatively rotating disk must change an angle delta α more, and torsion spring is also followed the angle delta β of commentaries on classics more.Take-off the brake, initiatively rotating disk counter-rotating certain angle α+Δ α gets back to the initial position.The torsion spring certain angle β+Δ β that thereupon reverses gets back to the initial position.In this process, the torsion spring lock ring compensation of play screw rod Δ β that reverses more.The compensation of play screw rod rotates Δ β in nut, and nut can not be rotated by the restriction of caliper screw, when the compensation of play screw rod rotates in nut and move axially Δ Smm, in the overall process of this time braking and take-off the brake, the gap that produces with regard to friction disc wear about timely the compensation.Friction disc wear how much, and how many compensation of play screw rods just extends, till friction disc wear arrives limit replacing.During renewal of facing, the compensation of play screw rod that has stretched out is returned to the initial position get final product.
Be provided with two sliding pins on connecting panel, be provided with upper and lower brake strap returning device in the cooperation place of two sliding sleeves of two sliding pins and caliper both sides, shock absorber or back axle sleeve pipe are connected before connecting panel and the motor bike; Upper oral part at sliding sleeve is provided with a ladder, and the upper end of sliding pin is provided with back-up ring, is provided with pull back spring down between the ladder of the upper oral part of back-up ring and sliding sleeve; Center at sliding pin is provided with ladder hole, is provided with central spindle of the spring in ladder hole, and the upper end of central spindle of the spring is provided with a step, is being provided with pull back spring between the ladder of step and ladder hole, and the lower end of central spindle of the spring is threaded with last brake plate.At glancing impact, the sliding sleeve of caliper both sides and the following brake strap that is fixed on the caliper lower jaw up move, and following pull back spring is compressed; Meanwhile, piston moves down, and brake strap moves down in the promotion, and last pull back spring is compressed.Behind brake off, the sliding sleeve of caliper both sides and the following brake strap that is fixed on the caliper lower jaw up move under the effect of following pull back spring, last brake strap up moves under the effect of last pull back spring, stick on down the following friction lining above the brake strap and stick on down following friction lining below the brake strap, disengage with the brake disc that is contained on the motor bike wheel shaft, thereby upper and lower friction lining is not rubbed with brake disc, guarantee that brake off is reliable.
Described a kind of mechanical disc-type brake is provided with the short cylindrical thrust baring at the step of active rotating disk and the contact position of caliper inner chamber.Its effect is the friction that reduces active rotating disk and caliper inner chamber, makes manoeuvrable.
Described a kind of mechanical disc-type brake is provided with first seal ring on the top of active rotating disk and the cooperation place of caliper, is provided with second seal ring in the cooperation place of piston and caliper inner chamber.Its effect is to prevent that rainwater and silt from entering the inner chamber of caliper, guarantees to clamp endoceliac each not corrosion of part, lubricated good, can normal operation.
Described a kind of mechanical disc-type brake, cooperation place at compensation of play screw rod top polished rod and nut is provided with rubbery friction ring, its effect is: the friction force of torsion spring and compensation of play screw rod polished rod part when making rubbery friction ring and compensation of play screw rod polished rod friction force partly greater than the torsion spring releasing orientation, guarantee that the compensation of play screw rod no longer rotates, torsion spring then slides on polished rod.
Described a kind of mechanical disc-type brake is provided with outer cover in the upper end of sliding pin, and outer cover is buckled in the ladder place of the upper oral part of sliding sleeve; Be provided with first radiation fins at the infraoral of sliding sleeve and between above the connecting panel, be provided with second radiation fins below connecting panel and between above the last brake strap.
The utility model compared with prior art has the following advantages: owing to change the connection mode of blank compensation apparatus and active rotating disk, can not only in time compensate the gap that produces because of friction disc wear, and improve force-bearing situation, torsion spring can not fractureed; Owing to the short cylindrical thrust baring is set, reduce the friction of active rotating disk and caliper inner chamber again, make manoeuvrable at the step of active rotating disk and the contact position of caliper inner chamber; Braking and releasing braking are reliable.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is the structural representation of driven rotating disk.
Fig. 4 is the birds-eye view of Fig. 3.
The specific embodiment
The utility model will be further described below in conjunction with accompanying drawing.Referring to Fig. 1, Fig. 2 and Fig. 3, first seal ring 29 is contained in caliper 1 inner chamber and the cooperation place on rotating disk 7 tops initiatively, second seal ring 30 is contained in the cooperation place of caliper inner chamber and piston 19; The active rotating disk is packed into from the end opening of caliper inner chamber, cooperate with the caliper inner chamber, and short cylindrical thrust baring 35 is installed in the step of active rotating disk and the contact position of caliper inner chamber, the inner chamber that caliper is stretched out in the upper end of active rotating disk is connected with rocking arm 8; In the axial aperture 18 on the end insertion active rotating disk of torsion spring 17, and keep certain tolerance clearance; With top is polished rod, the bottom is provided with on the compensation of play screw rod 16 of screw thread screw-in below nut 13, again rubbery friction ring 34 is enclosed within on the polished rod of compensation of play screw rod, after passing the centre hole of driven rotating disk 10, respectively place a ball 12 in three conical pits on driven rotating disk, pack into from the end opening of caliper inner chamber together again, the inner ring that the polished rod on compensation of play screw rod top passes torsion spring stretches in the hole of active center of turntable, then, the screw of guider screw 11 from the caliper outside screwed in, the end of guider screw is inserted in the skewed slot 9 of driven rotating disk cylindrical, rotation stopping screw 15 another screw from the caliper outside is screwed in, and insert in the straight trough 14 of nut cylindrical its end; Piston 19 is packed into from the end opening of caliper inner chamber, and with the following end in contact of compensation of play screw rod; With two screw rods 2 will above be pasted with down friction lining 4 following brake strap 3 be fixed on the jaw of caliper bottom, be pasted with the knock hole on last brake strap 5 both sides of upper friction plate 6 below passing with the upper end of two screw rods 2 after, stretch in the knock hole of caliper; Two first radiation finss 32 are enclosed within respectively are connected before the motor bike on two sliding pins 20 on the shock absorber bonded assembly connecting panel 24, and two second radiation finss 33 are enclosed within the lower end that two sliding pins stretch out connecting panel 24; Down pull back spring 23 is enclosed within the upper end of sliding pin, and makes down between the back-up ring 22 and the ladder of the upper oral part of sliding sleeve 21 of pull back spring 23 on sliding pin; To go up pull back spring 28 is enclosed within on the central spindle of the spring 26, then, from the insertion suitable for reading of the ladder hole 25 at sliding pin center, the lower end of pull back spring is contacted with the ladder of ladder hole together, central spindle of the spring stretches out from the end opening of the ladder hole at sliding pin center, with being threaded of last brake strap both sides; The upper oral part that two outer covers 31 are buckled in two sliding sleeves respectively gets final product.Be contained in when using on the motor bike, brake disc 36 is between upper friction plate 6 and following friction lining 4.
Claims (5)
1, a kind of mechanical disc-type brake, comprise caliper (1), be fixed on the following brake strap (3) on the caliper lower jaw and paste following friction lining (4) on it with screw rod (2), go up brake plate (5) and paste upper friction plate (6) on it with following brake strap is cooresponding, be located at caliper inner chamber top and upper end and stretch out the active rotating disk (7) of caliper, with main rolling disc upper end bonded assembly rocking arm (8), be located under the rotating disk initiatively and cylindrical is provided with the driven rotating disk (10) of skewed slot (9), the guider screw (11) that inserts the skewed slot of driven rotating disk from the screw screw-in and the end of caliper outside, be located at the ball (12) between active rotating disk and three conical pits in correspondence with each other of driven rotating disk respectively, it is characterized in that:
A) be provided with cylindrical and caliper inner chamber nut engaged (13) under driven rotating disk, the cylindrical of nut is provided with straight trough (14), and rotation stopping screw (15) screws in from the screw of caliper outside, and insert in the straight trough its end; Top is compensation of play screw rod (16) screw-in below nut that polished rod, bottom are provided with screw thread, passes the hole of driven center of turntable and stretches in the hole of active center of turntable; An end that is enclosed within the torsion spring (17) of compensation of play screw rod top polished rod inserts in the axial aperture (18) on the rotating disk initiatively, and maintains tolerance clearance; The top contact of the lower end of compensation of play screw rod and the piston that is located at caliper inner chamber bottom (19), the following and last brake strap of piston contacts;
B) be provided with two sliding pins (20) on connecting panel (24), be provided with upper and lower brake strap returning device in the cooperation place of two sliding sleeves (21) of two sliding pins and caliper both sides, shock absorber or back axle cover are connected before connecting panel and the motor bike; Upper oral part at sliding sleeve is provided with a ladder, and the upper end of sliding pin is provided with back-up ring (22), is provided with pull back spring (23) down between the ladder of the upper oral part of back-up ring and sliding sleeve; Be provided with ladder hole (25) at the center of sliding pin, in ladder hole, be provided with central spindle of the spring (26), the upper end of central spindle of the spring is provided with a step (27), is being provided with pull back spring (28) between the ladder of step and ladder hole, and the lower end of central spindle of the spring is threaded with last brake plate.
2, a kind of mechanical disc-type brake according to claim 1 is characterized in that: be provided with short cylindrical thrust baring (35) at the step of active rotating disk (7) and the contact position of caliper inner chamber.
3, a kind of mechanical disc-type brake according to claim 1 and 2, it is characterized in that: be provided with first seal ring (29) on the top of active rotating disk (7) and the cooperation place of caliper (1), be provided with second seal ring (30) in the cooperation place of piston (19) and caliper (1) inner chamber.
4, a kind of mechanical disc-type brake according to claim 1 and 2 is characterized in that: the cooperation place at compensation of play screw rod (16) top polished rod and nut (13) is provided with rubbery friction ring (34).
5, a kind of mechanical disc-type brake according to claim 1 and 2 is characterized in that: be provided with outer cover (31) in the upper end of sliding pin (20), outer cover is buckled in the ladder place of the upper oral part of sliding sleeve; Be provided with first radiation fins (32) at the infraoral of sliding sleeve (21) and between above the connecting panel (24), be provided with second radiation fins (33) below connecting panel and between above the last brake strap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201234793U CN201002692Y (en) | 2007-02-02 | 2007-02-02 | Machinery disc type brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201234793U CN201002692Y (en) | 2007-02-02 | 2007-02-02 | Machinery disc type brake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201002692Y true CN201002692Y (en) | 2008-01-09 |
Family
ID=39038232
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201234793U Expired - Fee Related CN201002692Y (en) | 2007-02-02 | 2007-02-02 | Machinery disc type brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201002692Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103711820A (en) * | 2013-09-13 | 2014-04-09 | 重庆昌德成电子有限公司 | Automatic compensation mechanical disc brake |
| CN106115541A (en) * | 2016-08-31 | 2016-11-16 | 无锡康泰电子有限公司 | Tailstock lifting jack |
| CN106115540A (en) * | 2016-08-31 | 2016-11-16 | 无锡康泰电子有限公司 | Motor-driven jack |
| CN107381410A (en) * | 2017-08-14 | 2017-11-24 | 浙江阜康机械有限公司 | Jack with mechanical brake mechanism |
| CN107514433A (en) * | 2017-10-20 | 2017-12-26 | 山东博士乐液压有限公司 | Clipper disk brake |
| CN107585700A (en) * | 2017-08-14 | 2018-01-16 | 浙江阜康机械有限公司 | Mechanical brake mechanism |
-
2007
- 2007-02-02 CN CNU2007201234793U patent/CN201002692Y/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103711820A (en) * | 2013-09-13 | 2014-04-09 | 重庆昌德成电子有限公司 | Automatic compensation mechanical disc brake |
| CN106115541A (en) * | 2016-08-31 | 2016-11-16 | 无锡康泰电子有限公司 | Tailstock lifting jack |
| CN106115540A (en) * | 2016-08-31 | 2016-11-16 | 无锡康泰电子有限公司 | Motor-driven jack |
| CN106115541B (en) * | 2016-08-31 | 2018-08-24 | 无锡康泰电子有限公司 | Tailstock lifting jack |
| CN107381410A (en) * | 2017-08-14 | 2017-11-24 | 浙江阜康机械有限公司 | Jack with mechanical brake mechanism |
| CN107585700A (en) * | 2017-08-14 | 2018-01-16 | 浙江阜康机械有限公司 | Mechanical brake mechanism |
| CN107381410B (en) * | 2017-08-14 | 2018-12-04 | 浙江阜康机械有限公司 | Jack with mechanical brake mechanism |
| CN107585700B (en) * | 2017-08-14 | 2019-01-18 | 浙江阜康机械有限公司 | mechanical brake mechanism |
| CN107514433A (en) * | 2017-10-20 | 2017-12-26 | 山东博士乐液压有限公司 | Clipper disk brake |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: CO-PATENTEE TO: YANG XIANGWEN LI CHENGHUAN ^ |
|
| CU01 | Correction of utility model patent |
Correction item: Co-patentee Correct: Yang Xiangwen|Li Chenghuan Number: 02 Page: The title page Volume: 24 |
|
| CU03 | Correction of utility model patent gazette |
Correction item: Co-patentee Correct: Yang Xiangwen|Li Chenghuan Number: 02 Volume: 24 |
|
| ERR | Gazette correction |
Free format text: CORRECT: CO-PATENTEE; FROM: NONE ^ TO: YANG XIANGWEN LI CHENGHUAN ^ |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080109 Termination date: 20110202 |