CN204458934U - A kind of hydraulic brake automatic resetting device - Google Patents
A kind of hydraulic brake automatic resetting device Download PDFInfo
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- CN204458934U CN204458934U CN201520122198.0U CN201520122198U CN204458934U CN 204458934 U CN204458934 U CN 204458934U CN 201520122198 U CN201520122198 U CN 201520122198U CN 204458934 U CN204458934 U CN 204458934U
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Abstract
The utility model discloses a kind of hydraulic brake automatic resetting device, comprise liquid storage oil cylinder, hydraulic piston, brake disc, adjustable clamp and friction plate, it is inner that described hydraulic piston activity is nested in described liquid storage oil cylinder, described adjustable clamp is arranged on described hydraulic piston front end, described adjustable clamp is connected with described liquid storage oil cylinder, described friction plate is driven by hydraulic piston and realizes fore-aft travel, described friction plate comprises outside friction disc and inner attrition piece, and described brake disc is arranged between described outside friction disc and inner attrition piece.Be provided with the self-return unit realizing the activity of outside friction disc and inner attrition piece and is separated between described outside friction disc and described inner attrition piece, between described inner attrition piece and hydraulic piston, be provided with inner attrition piece and the spacing automatic spacing unit of hydraulic piston distance reply.The feature that hydraulic brake automatic resetting device structure of the present utility model is simple, long service life, braking are sensitive, easy to maintenance and with low cost.
Description
Technical field
The utility model relates to break technical field, specifically refers to a kind of hydraulic brake automatic resetting device.
Background technique
Hydraulic brake has that structure is simple, rapid heat dissipation, noise are low and brake the advantages such as steady, has been widely used on middle-size and small-size passenger vehicle, lorry and car.But hydraulic brake does not all have self-return function at present, after loosening the brake, friction plate can not self-return, the contact of friction plate is thrown away to slow down the rotational resistance of brake disc by brake disc rotation, but break also fails to remove the brake drag of friction plate to brake disc completely, cause vehicle travel resistance to increase, add the energy consumption in vehicle travel process, and accelerate brake disc, the premature wear of friction plate and the maintenance cost of increase vehicle.Therefore, how can make friction plate energy self-return after brake off, making break realize complete brake off, friction plate can be made again with brake disc to be separated rear maintenance friction plate and the brake disc distance a safe and effective scope, is very necessary for the braking effect ensureing Motor Vehicle.
Model utility content
The purpose of this utility model is to provide a kind of hydraulic brake automatic resetting device, architecture advances is carried out to existing hydraulic brake, both the self-return of hydraulic brake had been realized, remain on again effective braking ability, have that structure is simple, feature that long service life, braking are sensitive, easy to maintenance and with low cost.
The utility model can be achieved through the following technical solutions:
The utility model discloses a kind of hydraulic brake automatic resetting device, comprise liquid storage oil cylinder, hydraulic piston, brake disc, adjustable clamp and friction plate, it is inner that described hydraulic piston activity is nested in described liquid storage oil cylinder, described adjustable clamp is arranged on described hydraulic piston front end, described adjustable clamp is connected with described liquid storage oil cylinder, described friction plate is movably arranged on inner the driving by hydraulic piston of described mounting bracket and realizes fore-aft travel, described friction plate comprises outside friction disc and inner attrition piece, described brake disc is arranged between described outside friction disc and inner attrition piece, the self-return unit realizing outside friction disc and be separated with inner attrition piece activity is provided with between described outside friction disc and described inner attrition piece, inner attrition piece is provided with and hydraulic piston distance replys spacing automatic spacing unit between described inner attrition piece and hydraulic piston.By self-return unit, can be separated rapidly with friction plate by brake disc after brake is unclamped, avoid friction plate and brake disc Long contact time frictional heating to the wearing and tearing of friction plate and brake disc.By automatic spacing unit, the separating distance of limiting friction sheet and brake disc gradually when the wearing and tearing of friction plate, the distance of automatic spacing and the distance of brake disc wear match, friction plate and brake disc can remain on effective braking distance for a long time, avoid friction disc wear to cross the thin impact on brake sensitivity, overcome the wearing and tearing of friction plate in Long-Time Service process to the impact of brake sensitivity.
Described automatic spacing unit comprises horizontal iron plate and reverse tooth bar, described horizontal iron plate is arranged between inner attrition piece and hydraulic piston, described liquid storage oil cylinder both sides are provided with and connect liquid storage oil cylinder and the sliding sleeving hole vertical with horizontal iron plate, described sliding sleeving hole separation hydraulic piston both sides, described sliding sleeving hole rear end is provided with mounting hole, reverse tooth bar activity penetrating mounting holes, sliding sleeving hole is connected with described horizontal iron plate is vertical, the end of described reverse tooth bar is provided with reverse limiting tooth, described reverse limiting tooth comprises some reverse sawtooth, the tooth paddy of described reverse sawtooth tilts to tooth peak along away from horizontal iron plate direction, described mounting hole inside is provided with spacing elastic pressuring plate, described spacing elastic pressuring plate and the dynamic pressure of described reverse sawtooth yielding movable are closed spacing.In the using process of reality, after loosening the brake, spacing elastic pressuring plate pushes down the back, tooth peak of reverse tooth bar limiting tooth, promotes reverse tooth bar and moves backward, drives horizontal iron plate to move backward; When spacing elastic pressuring plate is displaced to tooth paddy gradually, spacing elastic pressuring plate cannot continue mobile, thus hinders reverse tooth bar to move backward further, realizes the adjustment of action radius between outside friction disc and inner attrition piece.Simultaneously, in the process of brake, the back, tooth peak that spacing elastic pressuring plate pushes down reverse tooth bar limiting tooth moves upward, when the degree of wear of friction plate is comparatively serious, in the middle of the tooth paddy that the top that spacing elastic pressuring plate directly can cross tooth peak enters into rear adjacent limiting tooth and tooth peak, the spaced motion process of reverse tooth is repeated after loosening the brake, thus have compressed the distance of reverse limiting tooth self-return, make between friction plate and brake disc, to remain at effective separating distance, avoid friction plate excessive wear on the impact of braking sensitivity.
Described self-return unit comprises elastic reset bar, described elastic reset bar is spring, shell fragment or elastic layering, described elastic reset bar comprises kink and insert head, described kink is U-shaped, described insert head separation kink both sides, described insert head is connected with kink S type is bending, described insert head is 7 fonts, described outside friction disc and inner attrition piece top side are equipped with fixing blind hole, described elastic reset bar by fixing blind hole respectively with described outside friction disc, inner attrition piece lateral recumbent posture is connected together, described kink S type arcuate directions moves towards consistent with described outside friction disc and inner attrition piece arc.In the process of braking, the distance of elastic reset bar kink both sides is compressed, and produces the elastic force outwards resetted; When after braking release, elastic reset bar produce elastic force make outside friction disc and inner attrition piece separated from one another, realize being separated rapidly of friction plate and brake disc, avoid friction plate and brake disc Long contact time to send out wearing and tearing thermogenetic, improve the working life of hydraulic brake.Meanwhile, kink is U-shaped, and what effectively ensure both sides opens apart from excessive, ensures that the distance that friction plate resets can not be excessive further, ensure that distance between friction plate and brake disc is in effective stopping distance, avoids the situation of brake latency.
Described hydraulic brake automatic resetting device also comprises mounting bracket, described mounting bracket separation liquid storage oil cylinder both sides, and described liquid storage oil cylinder is connected by mounting bracket with brake disc, and described mounting bracket and brake disc joint are provided with support dirt-proof boot; Described hydraulic piston and the movable nested encryptions place of described liquid storage oil cylinder are provided with piston dirt-proof boot; Described reverse tooth bar and described sliding sleeving hole, mounting hole run through joint and are provided with reverse tooth bar dirt-proof boot.By arranging some dirt-proof boots, effectively ensure that the different component of hydraulic brake are subject to oil in the process used, water, contamination by dust use the damage caused to device, extending the working life of device.
The depth direction of described fixing blind hole is perpendicular to the top plan of outside friction disc or inner attrition piece, described inner attrition piece inwall is provided with interior friction facing, described outside friction disc inwall is provided with external friction liner, described interior friction facing relative brake dish parallel with external friction liner is arranged, the edge of described fixing blind hole is equal with the external boundary of external friction liner or interior friction facing, effectively ensure that fixed effect between elastic reset bar and friction plate and prevent friction facing from using rear elastic reset bar and brake disc, ensure that the validity of self-return.
The edge of described fixing blind hole is provided with arcuation groove, and described arcuation groove lays respectively at the outside of outside friction disc and the inner side of inner attrition piece.By being provided with arcuation groove, elastic reset bar can being avoided by the collsion damage in the process compressed and between friction plate, further ensure the validity of self-return, extend the working life of device
The head of described reverse tooth bar is cylindric, the height at described reverse sawtooth tooth peak is less than the radius of reverse tooth bar head cylindrical cross-section, effectively ensure that the reverse sawtooth of reverse tooth bar is rubbing by contacting with each other to be formed with the inwall of sliding sleeving hole during sliding sleeving hole, both avoid the damage of reverse tooth bar, effectively ensure that again the validity that automatic spacing realizes.
The distance interval of the reverse sawtooth of described reverse tooth bar is equal, the total length of described reverse limiting tooth equals the friction facing thickness of the outside friction disc come into operation for the first time, the friction facing thickness of inner attrition piece and brake disc and allows wear limit thickness sum, ensure that the matching of reverse tooth bar and break to greatest extent.
Described spacing elastic pressuring plate comprises insertion part, front end, middle-end spring section and rear end fixing part, it is spacing that insertion part, described front end and reverse limiting tooth contact pressing, described rear end fixing part is connected on mounting hole by fixing bolt, described mounting hole is also provided with adjusting bolt, and realize relative with middle-end spring section position of described adjusting bolt carries out degree of tightness adjustment to middle-end spring section.By being provided with adjusting bolt, in the process that can use in reality, specific aim adjustment is carried out to the situation of different automobile types or differentiated friction sheet, ensure that the effect of automatic spacing, and when changing braking plate, unclamp adjusting bolt and hydraulic oil is got back to bottom liquid storage oil cylinder.
Be provided with installation dust cover bottom the end of described mounting hole, described outer wall is provided with observation dust cover, and described observation dust cover is arranged near adjusting bolt.By opening dust cover, can carry out carrying out visualized operation to the situation of sliding sleeving hole and mounting hole inside in installation and maintenance process, reducing the difficulty of installation and maintenance.
The center line of the reverse tooth of described reverse tooth bar, sliding sleeving hole, mounting hole and liquid storage oil cylinder is parallel to each other.
Hydraulic brake described in the utility model carries out installing improvement additional on the structural principle basis of former traditional hydraulic brake, without the need to changing original structure or adjusting original working principle.
A kind of hydraulic brake automatic resetting device of the utility model, has following beneficial effect:
The first, structure is simple, and only need carry out suitable architecture advances on original break basis can realize, and the parts machining used is very simple, is convenient to assembling and produces;
The second, long service life, the Long contact time in the process of moving effectively reducing friction plate and brake disc is generated heat the working life of the degree of wear caused, raising break;
Three, brake sensitive, effectively overcome friction disc wear on braking impact, make friction plate and brake disc remain on effective stopping distance;
Four, easy to maintenance, by effectively reducing the degree of wear of friction plate, effectively extending the working life of friction plate and brake disc, reducing the frequency safeguarded and change, reduce maintenance difficulties;
Five, with low cost, only need carry out simple architecture advances on the basis of original break can complete manufacturing, saves manufacturing cost.
Accompanying drawing explanation
Accompanying drawing 1 is state generalized section after a kind of hydraulic brake automatic resetting device of the utility model friction disc wear;
Accompanying drawing 2 is the initial using state generalized section of a kind of hydraulic brake automatic resetting device friction plate of the utility model;
Accompanying drawing 3 is the utility model a kind of hydraulic brake automatic resetting device friction plate and the unit connection diagram that automatically resets;
Accompanying drawing 4 is a kind of hydraulic brake automatic resetting device of the utility model elastic reset bar structural representation;
Accompanying drawing 5 is a kind of hydraulic brake automatic resetting device of the utility model reverse tooth bar mounting structure schematic diagram;
Accompanying drawing 6 is the overall structure schematic diagram of the reverse tooth bar of a kind of hydraulic brake of the utility model automatic resetting device and horizontal iron plate;
Mark in accompanying drawing comprises: 1, liquid storage oil cylinder, and 2, hydraulic piston, 3, brake disc, 4, adjustable clamp, 5, outside friction disc, 6, inner attrition piece, 7, horizontal iron plate, 8, oppositely tooth bar, 9, sliding sleeving hole, 10, mounting hole, 11, oppositely limiting tooth, 12, oppositely sawtooth, 13, spacing elastic pressuring plate, 14, elastic reset bar, 15, kink, 16, insert head.17, fixing blind hole, 18, emptying bolt, 19, mounting bracket, 20, dirt-proof boot, 21, arcuation groove, 22, insertion part, front end, 23, middle-end spring section, 24, rear end fixing part, 25, fixing bolt, 26, adjusting bolt, 27, dust cover is installed, 28, oil cylinder entrance, 29, dust cover is observed, 30, support dirt-proof boot, 31, piston dirt-proof boot, 32, attachment hole.
Embodiment
In order to make those skilled in the art person understand the technical solution of the utility model better, below in conjunction with embodiment and accompanying drawing, the utility model product is described in further detail.
As shown in Fig. 1 ~ Fig. 5, the utility model discloses a kind of hydraulic brake automatic resetting device, comprise liquid storage oil cylinder 1, hydraulic piston 2, brake disc 3, adjustable clamp 4 and friction plate, it is inner that the activity of described hydraulic piston 2 is nested in described liquid storage oil cylinder 1, the bottom of described liquid storage oil cylinder 1 is provided with emptying bolt 18 and oil cylinder entrance 28, described adjustable clamp 4 is arranged on described hydraulic piston 2 front end, described adjustable clamp 4 is connected with described liquid storage oil cylinder 1, described friction plate is movably arranged on described mounting bracket 19 inside and realizes fore-aft travel by hydraulic piston 2 driving, described friction plate comprises outside friction disc 5 and inner attrition piece 6, described brake disc 3 is arranged between described outside friction disc 5 and inner attrition piece 6, the self-return unit realizing outside friction disc 5 and be separated with inner attrition piece 6 activity is provided with between described outside friction disc 5 and described inner attrition piece 6, inner attrition piece 6 and hydraulic piston 2 is provided with apart from replying spacing automatic spacing unit between described inner attrition piece 6 and hydraulic piston 2.
As shown in Fig. 1 ~ Fig. 5, described automatic spacing unit comprises horizontal iron plate 7 and reverse tooth bar 8, described horizontal iron plate 7 is arranged between inner attrition piece 6 and hydraulic piston 2, described liquid storage oil cylinder 1 both sides are provided with and connect liquid storage oil cylinder 1 and the sliding sleeving hole 9 vertical with horizontal iron plate 7, described sliding sleeving hole 9 is lived apart hydraulic piston 2 both sides, described sliding sleeving hole 9 rear end is provided with mounting hole 10, reverse tooth bar 8 activity penetrating mounting holes 10, sliding sleeving hole 9 is connected with described horizontal iron plate 7 is vertical, the end of described reverse tooth bar 8 is provided with reverse limiting tooth 11, described reverse limiting tooth 11 comprises some reverse sawtooth 12, the tooth paddy of described reverse sawtooth 12 tilts to tooth peak along away from horizontal iron plate 7 direction, described mounting hole 10 inside is provided with spacing elastic pressuring plate 13, described spacing elastic pressuring plate 13 closes spacing with the dynamic pressure of described reverse sawtooth 12 yielding movable.
As shown in Fig. 1 ~ Fig. 5, described self-return unit comprises elastic reset bar 14, described elastic reset bar 14 is spring, shell fragment or elastic layering, described elastic reset bar 14 comprises kink 15 and insert head 16, described kink 15 is U-shaped, described insert head 16 is lived apart kink 15 both sides, described insert head 16 is connected with kink 15S type is bending, described insert head 16 is in 7 fonts, described outside friction disc 5 and inner attrition piece 6 top side are equipped with fixing blind hole 17, described elastic reset bar 14 by fixing blind hole 17 respectively with described outside friction disc 5, inner attrition piece 6 lateral recumbent posture is connected together, described kink 15S type arcuate directions moves towards consistent with described outside friction disc 5 and inner attrition piece 6 arc.
As shown in Figure 1 and Figure 2, described hydraulic brake automatic resetting device also comprises mounting bracket 19, described mounting bracket 19 is lived apart liquid storage oil cylinder 1 both sides, described liquid storage oil cylinder 1 is connected by mounting bracket 19 with brake disc 3, and described mounting bracket 19 is provided with support dirt-proof boot 30 with liquid storage oil cylinder 1 joint; Described hydraulic piston 2 is provided with piston dirt-proof boot 31 with the movable nested encryptions place of described liquid storage oil cylinder 1; Described reverse tooth bar 8 runs through joint with described sliding sleeving hole 9, mounting hole 10 and is provided with reverse tooth bar dirt-proof boot 20.
As shown in Figure 1, Figure 3, hydraulic brake is in braking process, and hydraulic piston 2, away from liquid storage oil cylinder 1 back, promotes horizontal iron plate 7 and travels forward, realize inner attrition piece 6 to travel forward and to contact with brake disc 3, thus hinder travelling forward further of inner attrition piece 6.Still the state of travelling forward is kept because inner attrition piece 6 has inertia, after the obstruction being subject to brake disc 3 under the reaction of brake disc 3, the adjustable clamp 4 of carrying inner attrition piece 6 moves backward, thus drive the motion backward of outside friction disc 5, outside friction disc 5 and inner attrition piece 6 press mutually, brake disc 3 are clamped the braking process realizing Motor Vehicle in centre.In braking process, horizontal iron plate 7 can travel forward by hydraulic piston 2 thereupon, drives the activity of reverse tooth bar 8 to run through sliding sleeving hole 9 and travels forward, and spacing elastic pressuring plate 13 outwards can slide at the back, tooth peak of reverse sawtooth 12.When friction plate abrasion degree is serious, spacing elastic pressuring plate 13 can be made directly to cross reverse sawtooth 12 that tooth jag part enters rear adjacent compresses the distance of automatic spacing.Meanwhile, the distance between elastic reset bar 14 kink 15 is compressed, and produces the reseting elasticity expanded outwardly between elastic reset bar 14 kink 15.
Hydraulic brake, in brake release, removes hydraulic piston 2 to the thrust of friction plate, is separated gradually under the reseting elasticity effect that outside friction disc 5 and inner attrition piece 6 expand outwardly at elastic reset bar 14.The horizontal iron plate 7 promoting to be connected to reverse tooth bar 8 head is moved backward, promotes reverse tooth bar 8 simultaneously and moves backward, and the stop motion when oppositely the tooth paddy of sawtooth 12 and elastic pressuring plate contact with each other reverse tooth bar 8, realizes automatic spacing.
As shown in Figure 5, be provided with bottom the end of described mounting hole 10 and install dust cover 27, described mounting hole 10 outer wall is provided with observation dust cover, and described observation dust cover is arranged near adjusting bolt 26.
As shown in Figure 3, the depth direction of described fixing blind hole 17 is perpendicular to the top plan of outside friction disc 5 or inner attrition piece 6, described inner attrition piece 5 inwall is provided with interior friction facing, described outside friction disc 6 inwall is provided with external friction liner, described interior friction facing relative brake dish 3 parallel with external friction liner is arranged, and the edge of described fixing blind hole 17 is equal with the external boundary of external friction liner or interior friction facing.The edge of described fixing blind hole 17 is provided with arcuation groove 21, and described arcuation groove 21 lays respectively at the outside of outside friction disc 5 and the inner side of inner attrition piece 6.
As shown in Figure 5, the head of described reverse tooth bar 8 is cylindric, and the height at described reverse sawtooth 12 tooth peak is less than the radius of reverse tooth bar 8 head cylindrical cross-section.The distance interval of the reverse sawtooth 12 of described reverse tooth bar 8 is equal, and the total length of described reverse limiting tooth 11 equals the friction facing thickness of the outside friction disc 5 come into operation for the first time, the friction facing thickness of inner attrition piece 6 and brake disc 3 and allows wear limit thickness sum.
As shown in Figure 5, described spacing elastic pressuring plate 13 comprises insertion part, front end 22, middle-end insertion part 23 and rear end fixing part 24, it is spacing that insertion part, described front end 22 and reverse limiting tooth 11 contact pressing, described rear end fixing part 24 is connected on mounting hole 10 by fixing bolt 25, described mounting hole 10 is also provided with adjusting bolt 26, and realize relative with position, middle-end insertion part 23 of described adjusting bolt 26 carries out degree of tightness adjustment to middle-end insertion part 23.
As described in accompanying drawing 6, described reverse tooth bar 8 and described horizontal iron plate 7 carry out connection by the attachment hole 32 on horizontal iron plate 7, finally make the plane at the U-shaped place of reverse tooth bar 8 and the plane orthogonal at horizontal iron plate 7 place.
Self-return and the automatic spacing working principle of described hydraulic brake are as follows:
When after braking release of loosening the brake, hydraulic piston relieves the thrust to friction plate, because friction plate is under the effect of elastic reset bar, both sides friction plate is produced and is separated return.In the process of return, due to hydraulic piston there is oil sealing resistance, there is oil return resistance in liquid storage oil cylinder, elastic reset bar produces reaction force and pushes outside friction disc and adjustable clamp open while promotion inner attrition piece, now, inner attrition piece and outside friction disc disconnected from each other, realize the separated from one another of inner attrition piece, outside friction disc and brake disc.Meanwhile, reverse tooth bar also can promote simultaneously backward, and when top, insertion part, positive stop spring plate front end is pressed onto the tooth paddy of reverse sawtooth, reverse tooth bar and hydraulic piston will stop mobile, friction plate is remained in effective using scope of setting with being separated of brake disc, realizes automatic spacing.
When realizing braking operation under the driving of break at brake petal, hydraulic piston promotes the horizontal iron plate of reverse tooth bar, and reverse sawtooth also can synchronously travel forward, and tightly outwards slides from tooth paddy along the tooth peak pressure of reverse sawtooth in the insertion part, front end of spacing elastic pressuring plate.During take-off the brake, reverse tooth bar moves backward, inwardly can slide along the tooth paddy of reverse sawtooth in the insertion part, front end of spacing elastic pressuring plate, until the tooth paddy of reverse sawtooth is pushed up in the insertion part, front end of spacing elastic pressuring plate, horizontal iron plate and hydraulic piston can stop again mobile.
When friction disc wear is to certain degree, when reverse tooth bar moves forward, when in reverse tooth bar, the tooth peak of reverse sawtooth exceedes the insertion part, front end of spacing elastic pressuring plate most advanced and sophisticated, the tooth peak of the reverse sawtooth of the adjacent next one is jumped in the insertion part, front end of spacing elastic pressuring plate under the effect of spacing elastic pressuring plate and the mode of operation of repetitive cycling at a upper reverse sawtooth is carried out in tooth paddy neutral position, guarantees that the return distance limit of break is in effective setting range.
Self-return unit and the automatic spacing cellular installation program of described hydraulic brake are as follows:
The first step, inwardly to shift hydraulic piston onto with adjustable clamp disjunctor liquid storage oil cylinder bottom;
Second step, fixing spacing elastic pressuring plate are inner at mounting hole;
3rd step, sliding sleeving hole front end install dirt-proof boot, are inserted in sliding sleeving hole by reverse for the both sides of reverse tooth bar tooth, and are enclosed within dirt-proof boot;
The adjusting bolt of the 4th step, mounting limit elastic pressuring plate, by horizontal iron plate interior side contacts to hydraulic piston, again spacing elastic pressuring plate middle-end is pressed on adjusting bolt top, use the insertion part, front end of spacing elastic pressuring plate to be pressed in the tooth paddy of reverse sawtooth, then lock adjusting bolt;
5th step, to guarantee in the insertion part, front end that spacing elastic pressuring plate observed by peep hole to engage compress reverse sawtooth tooth paddy after install again and observe dust cover;
6th step, be inserted in installation dust cover;
7th step, installation inner attrition piece, outside friction disc and elastic reset article;
8th step, the adjustable clamp entirety assembled is snapped on inner attrition piece and outside friction disc;
The screw rod of the flip sleeve of the 9th step, installation adjustable clamp both sides is connected on mounting bracket.
The above, be only preferred embodiment of the present utility model, not does any pro forma restriction to the utility model; The those of ordinary skill of all industry all can shown in by specification accompanying drawing and the above and implement the utility model swimmingly; But all those skilled in the art are not departing within the scope of technical solutions of the utility model, disclosed above technology contents can be utilized and make a little change, modify with differentiation equivalent variations, be Equivalent embodiments of the present utility model; Meanwhile, all according to substantial technological of the present utility model to the change of any equivalent variations that above embodiment does, modify and differentiation etc., within the protection domain all still belonging to the technical solution of the utility model.
Claims (8)
1. a hydraulic brake automatic resetting device, it is characterized in that: between outside friction disc (5) and inner attrition piece (6), be provided with the self-return unit realizing the activity of outside friction disc (5) and inner attrition piece (6) and is separated, be provided with between inner attrition piece (6) and hydraulic piston (2) and realize inner attrition piece (6) and hydraulic piston (2) the automatic spacing unit spacing apart from reply;
Described automatic spacing unit comprises horizontal iron plate (7) and reverse tooth bar (8), described horizontal iron plate (7) is arranged between inner attrition piece (6) and hydraulic piston (2), liquid storage oil cylinder (1) both sides of hydraulic brake are provided with and connect liquid storage oil cylinder (1) and the sliding sleeving hole (9) vertical with horizontal iron plate (7), described sliding sleeving hole (9) separation hydraulic piston (2) both sides, described sliding sleeving hole (9) rear end is provided with mounting hole (10), reverse tooth bar (8) activity penetrating mounting holes (10), sliding sleeving hole (9) is connected with described horizontal iron plate (7) is vertical, the end of described reverse tooth bar (8) is provided with reverse limiting tooth (11), described reverse limiting tooth (11) comprises some reverse sawtooth (12), the tooth paddy of described reverse sawtooth (12) is to tooth peak along tilting away from horizontal iron plate (7) direction, described mounting hole (10) inside is provided with spacing elastic pressuring plate (13), described spacing elastic pressuring plate (13) and the yielding movable dynamic pressure of described reverse sawtooth (12) are closed spacing,
Described self-return unit comprises elastic reset bar (14), described elastic reset bar (14) is spring, shell fragment or elastic layering, described elastic reset bar (14) comprises kink (15) and insert head (16), described kink (15) is U-shaped, described insert head (16) separation kink (15) both sides, described insert head (16) is connected with kink (15) S type is bending, described insert head (16) is in 7 fonts, described outside friction disc (5) and inner attrition piece (6) top side are equipped with fixing blind hole (17), described elastic reset bar (14) by fixing blind hole (17) respectively with described outside friction disc (5), inner attrition piece (6) lateral recumbent posture is connected together, described kink (15) S type arcuate directions moves towards consistent with described outside friction disc (5) and inner attrition piece (6) arc.
2. hydraulic brake automatic resetting device according to claim 1, it is characterized in that: described hydraulic brake automatic resetting device also comprises mounting bracket (19), described mounting bracket (19) separation liquid storage oil cylinder (1) both sides, described liquid storage oil cylinder (1) is connected by mounting bracket (19) with brake disc (3), and described mounting bracket (19) and liquid storage oil cylinder (1) joint are provided with support dirt-proof boot (30); Described hydraulic piston (2) and the described movable nested encryptions place of liquid storage oil cylinder (1) are provided with piston dirt-proof boot (31); Described reverse tooth bar (8) and described sliding sleeving hole (9), mounting hole (10) run through joint and are provided with reverse tooth bar dirt-proof boot (20).
3. hydraulic brake automatic resetting device according to claim 2, it is characterized in that: the depth direction of described fixing blind hole (17) is perpendicular to the top plan of outside friction disc (5) or inner attrition piece (6), described inner attrition piece (5) inwall is provided with interior friction facing, described outside friction disc (6) inwall is provided with external friction liner, described interior friction facing relative brake dish (3) parallel with external friction liner is arranged, and the edge of described fixing blind hole (17) is equal with the external boundary of external friction liner or interior friction facing.
4. the hydraulic brake automatic resetting device according to Claims 2 or 3, it is characterized in that: the edge of described fixing blind hole (17) is provided with arcuation groove (21), described arcuation groove (21) lays respectively at the outside of outside friction disc (5) and the inner side of inner attrition piece (6).
5. hydraulic brake automatic resetting device according to claim 4, is characterized in that: the head of described reverse tooth bar (8) is cylindric, and the height at described reverse sawtooth (12) tooth peak is less than the radius of reverse tooth bar (8) head cylindrical cross-section.
6. hydraulic brake automatic resetting device according to claim 5, it is characterized in that: the distance interval of the reverse sawtooth (12) of described reverse tooth bar (8) is equal, the total length of described reverse sawtooth (12) equals the friction facing thickness of the outside friction disc (5) come into operation for the first time, the friction facing of inner attrition piece (6) thickness and brake disc (3) and allows wear limit thickness sum.
7. hydraulic brake automatic resetting device according to claim 6, it is characterized in that: described spacing elastic pressuring plate (13) comprises insertion part, front end (22), middle-end insertion part (23) and rear end fixing part (24), it is spacing that insertion part, described front end (22) and reverse limiting tooth (11) contact pressing, described rear end fixing part (24) is connected on mounting hole (10) by fixing bolt (25), described mounting hole (10) is also provided with adjusting bolt (26), realize relative with middle-end insertion part (23) position of described adjusting bolt (26) carries out degree of tightness adjustment to middle-end insertion part (23).
8. hydraulic brake automatic resetting device according to claim 7, it is characterized in that: be provided with bottom the end of described mounting hole (10) and dust cover (27) is installed, described mounting hole (10) outer wall is provided with observes dust cover (29), and described observation dust cover (29) is arranged near adjusting bolt (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520122198.0U CN204458934U (en) | 2015-03-03 | 2015-03-03 | A kind of hydraulic brake automatic resetting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520122198.0U CN204458934U (en) | 2015-03-03 | 2015-03-03 | A kind of hydraulic brake automatic resetting device |
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| Publication Number | Publication Date |
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| CN204458934U true CN204458934U (en) | 2015-07-08 |
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|---|---|---|---|
| CN201520122198.0U Expired - Fee Related CN204458934U (en) | 2015-03-03 | 2015-03-03 | A kind of hydraulic brake automatic resetting device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105020305A (en) * | 2015-07-22 | 2015-11-04 | 芜湖伯特利汽车安全系统股份有限公司 | Air disc brake and automatic friction-plate returning method thereof |
| CN105697612A (en) * | 2016-04-12 | 2016-06-22 | 张泽辉 | Elastic sheet for motorcycle disc brake pump |
| CN109611477A (en) * | 2018-12-28 | 2019-04-12 | 山东交通学院 | A kind of electric car quantifies return disk brake |
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2015
- 2015-03-03 CN CN201520122198.0U patent/CN204458934U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105020305A (en) * | 2015-07-22 | 2015-11-04 | 芜湖伯特利汽车安全系统股份有限公司 | Air disc brake and automatic friction-plate returning method thereof |
| CN105697612A (en) * | 2016-04-12 | 2016-06-22 | 张泽辉 | Elastic sheet for motorcycle disc brake pump |
| CN105697612B (en) * | 2016-04-12 | 2018-06-26 | 张泽辉 | A kind of shrapnel for motorcycle disc-brake pump |
| CN109611477A (en) * | 2018-12-28 | 2019-04-12 | 山东交通学院 | A kind of electric car quantifies return disk brake |
| CN109611477B (en) * | 2018-12-28 | 2020-09-11 | 山东交通学院 | Quantitative return disc brake of electric automobile |
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Granted publication date: 20150708 Termination date: 20170303 |