CN203770492U - Calipers with parking function - Google Patents
Calipers with parking function Download PDFInfo
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- CN203770492U CN203770492U CN201420104625.8U CN201420104625U CN203770492U CN 203770492 U CN203770492 U CN 203770492U CN 201420104625 U CN201420104625 U CN 201420104625U CN 203770492 U CN203770492 U CN 203770492U
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- parking braking
- parking
- axial displacement
- torsion bar
- driving mechanism
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- 210000000056 organ Anatomy 0.000 claims description 8
- 230000008859 change Effects 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 8
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- 230000008569 process Effects 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 230000002265 prevention Effects 0.000 description 4
- 230000003321 amplification Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
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- 238000012938 design process Methods 0.000 description 2
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Abstract
The utility model discloses calipers with a parking function. The calipers comprises a caliper body, a piston and a parking braking device, wherein the parking braking device comprises a parking braking pull arm in rotating movement and a two-stage axial displacement transmission mechanism which converts rotating movement input from the parking braking pull arm into linear movement and transmits the linear movement to the piston. The calipers provided by the utility model achieves axial displacement transmission in parking by utilizing the two-stage axial displacement transmission mechanism to convert the rotating movement input from the parking braking pull arm into the linear movement and transmit the linear movement to the piston, so that a complex anti-rotating structure can be removed, and thus design and manufacture technologies of parts are simplified, failure mode of products is reduced, assembly manufacturability and reliability of products are promoted, and performance of products is improved.
Description
Technical field
The utility model relates to automobile braking component, specifically the component in Motor Vehicle parking braking system.
Background technique
Relatively with dish in the break of drum, the clamp of integrated parking function are owing to all there being outstanding performance aspect system layout and lightweight, in passenger car and light commercial vehicle market, occupy gradually larger share, the technical research of the clamp of integrated parking function is also subject to the attention of each braking industry MANUFACTURER gradually.
Publication number is that the patent documentation of CN1600609 has been announced the brake calipers with parking braking, in this patent documentation, rely on the motion of steel ball on the slope of setting between steel ball dish and steel ball seat to realize axial displacement transmission, in the time that parking is moved, between multiple thread screw and bull swivel nut, nothing relatively rotates, spring seat passes through collar, steel ball seat, stop pin and cylinder body are connected, the technical problem that this scheme exists mainly contains: spring seat by collar by clamp, steel ball seat, stop pin and cylinder body are connected, required precision to component is high, when the cumulative limit axial dimension of each component is bigger than normal, cause assembling collar, when axial dimension is less than normal, cause system axial play large, play pendulum, spring seat structure complexity, in system, there is sliding friction, transmission efficiency is low.
Notification number is the brake calipers that the patent documentation of CN100507303C has been announced disk type braker, in this patent documentation, for screw rod is carried out to anti-rotation, adopt the collet of punching press, deep-draw or pressing process moulding to coordinate with screw rod, make the structure of screw rod and the structure of collet become complicated, and be difficult for assembling, friction when reducing parking, between axle and screw rod, add calotte structure, make original face contact become a contact, but it is more difficult that this structure implements, it is many that component become, and be difficult for assembling.
Parking driving mechanism in the disclosed brake calipers of above-mentioned two patent documentation is single-stage driving structure, in this structural design, in the time that parking is moved, mechanism that can transmission axial displacement only has one-level, in a series of structural designs so below, need to carry out anti-rotation design to the sliding spiral pair certainly calling, because the design of rotation prevention structure makes the complex structure of component, component required precision is higher, the failure mode of product is many, reliability decrease, assembly technology complexity, in addition, in single-stage axial displacement driving mechanism, there is sliding friction, in the time of parking, due to the loss of sliding friction, will reduce the efficiency of halting mechanism output.In addition,, in the integrated parking function clamp of ball disc type (Ball In Ramp), owing to being subject to the restriction in space, the size of ball rail cannot further be dwindled, and can have influence on like this parking magnifiation in depth of whole product.
Model utility content
The utility model provides a kind of clamp with parking function, and object is to simplify assembly technology, improves reliability.
To achieve these goals, the technological scheme that the utility model is taked is: a kind of clamp with parking function, comprise caliper, piston and locking device for a vehicle, locking device for a vehicle comprises the parking braking torque arm rotating, and described locking device for a vehicle also comprises the two-stage axial displacement driving mechanism that rotatablely moves and change into straight line motion and straight line motion is sent to described piston from described parking braking torque arm input.
Described two-stage axial displacement driving mechanism comprises the first order axial displacement driving mechanism and the second level axial displacement driving mechanism that are connected in series.
Described two-stage axial displacement driving mechanism is connected in series by two screw-drive mechanisms, or is connected in series by two rolling inclined-plane driving mechanisms, or is connected in series by a rolling inclined-plane driving mechanism and a screw-drive mechanism.
Described first order axial displacement driving mechanism comprises parking braking torsion bar, rolling element and is fixed on the raceway element on described caliper, one end of parking braking torsion bar is connected with described parking braking torque arm with the hole arranging on caliper through raceway element, the other end is connected with described second level axial displacement driving mechanism, rolling element is clipped between parking braking torsion bar and raceway element, and parking braking torsion bar and raceway element are provided with the ramp and the rolling element that hold rolling element and move linearly vertically along ramp roll drive parking braking torsion bar.
Described second level axial displacement driving mechanism comprises the parking braking swivel nut being connected with described parking braking torsion bar and inserts the parking braking screw rod being threaded with it in parking braking swivel nut, and parking braking screw rod is connected straight line motion is sent on piston with described piston.
Described piston is provided with the inner chamber body for holding described second level axial displacement driving mechanism and has opening towards one end of described parking braking torsion bar, and described parking braking swivel nut stretches out with parking braking torsion bar and is connected from opening.
Described parking braking torsion bar is respectively provided with a projection with the end that described parking braking swivel nut is connected, and in described two projections, wherein a projection is provided with key, and another projection is provided with the groove that coordinates transmission with key that allows key embed.
The projection of described parking braking torsion bar is provided with key, and the projection of described parking braking swivel nut is provided with groove.
These clamp also comprise flexible restoring organ, flexible restoring organ comprises the spring being set on described parking braking swivel nut and is fixed on the spring seat on described caliper and from the opening insertion inner chamber body of described piston, spring one end is against on spring seat, and the other end is against on the projection of parking braking swivel nut.
Described rolling element is spherical, column or taper.
Clamp of the present utility model, utilize two-stage axial displacement driving mechanism, to change into straight line motion from rotatablely moving of parking braking torque arm input, and straight line motion is sent to piston moves linearly with driven plunger, the axial displacement transmission while realizing parking, can cancel complicated rotation prevention structure, thereby parts design and manufacturing process are simplified, reduce the failure mode of product, promoted assembly process process and the reliability of product, and promoted the performance of product.
Brief description of the drawings
This specification comprises the following drawings, shown in content respectively:
Fig. 1 is the sectional view of the utility model clamp;
Fig. 2 is the explosive view of the utility model clamp;
Fig. 3 is the structural representation of two-stage axial displacement driving mechanism;
Fig. 4 a is the structural representation of parking braking torsion bar;
Fig. 4 b is the structural representation of another angle of parking braking torsion bar;
Fig. 5 is the structural representation of parking braking swivel nut;
Fig. 6 a is the expansion schematic diagram in the ramp on parking braking torsion bar and raceway element;
Fig. 6 b is the expansion schematic diagram in the another kind of shape ramp on parking braking torsion bar and raceway element;
Fig. 7 is the structural representation of the two-stage axial displacement driving mechanism of another kind of structure;
In figure, be labeled as:
1, parking braking torque arm; 2, parking braking torsion bar; 2a, key; 2b, ramp; 2c, axle; 2d, torsion bar projection; 3, raceway element; 3a, anti-rotation boss; 3b, ramp; 4, rolling element; 5, back-up ring; 6, parking braking swivel nut; 6a, groove; 6b, sleeve pipe; 6c, swivel nut projection; 6d, key; 7, spring seat; 8, spring; 9, piston; 10, parking braking screw rod; 101, chock; 11, inner side brake slipper; 12, brake disc; 13, outside hung brake piece; 14, caliper; 15, curve; 16, curve.
Embodiment
Contrast accompanying drawing below, by the description to embodiment, embodiment of the present utility model is described in further detail, and object is to help those skilled in the art to have more complete, accurate and deep understanding to design of the present utility model, technological scheme, and contributes to its enforcement.
As shown in Figures 1 to 5, a kind of clamp with parking function of the utility model, comprise caliper 14, piston 9, inner side brake slipper 11, outside hung brake piece 13, flexible restoring organ and locking device for a vehicle, piston 9, inner side brake slipper 11 and outside hung brake piece 13 are all positioned at the inside of caliper 14, inner side brake slipper 11 and outside hung brake piece 13 are distributed in the both sides of brake disc 12, be used for clamping brake disc 12, inner side brake slipper 11 is fixed on the end face of piston 9, and outside hung brake piece 13 is fixed on the inner side surface of caliper 14.Locking device for a vehicle comprises the parking braking torque arm 1 rotating, and parking braking torque arm 1 is positioned at the outside of caliper 14 one end, is connected with drag-line.This locking device for a vehicle also comprises rotatablely moving of inputting from parking braking torque arm 1 is changed into straight line motion and straight line motion is sent to the two-stage axial displacement driving mechanism that piston 9 moves linearly vertically with driven plunger 9.
Specifically, two-stage axial displacement driving mechanism comprises the first order axial displacement driving mechanism and the second level axial displacement driving mechanism that are connected in series.In two-stage axial displacement driving mechanism, first order axial displacement driving mechanism is connected with parking braking torque arm 1, be mainly used in eliminating fast the idle stroke of system, after idle stroke is eliminated, first order driving mechanism only transmits very little axial displacement or does not transmit axial displacement.Axial displacement driving mechanism in the second level is between first order axial displacement driving mechanism and piston 9, the axial stroke transmission rate of second level axial displacement driving mechanism is less, but require obvious to the amplification of power, be mainly used in idle stroke and eliminate later parking working stage, driven plunger 9 moves linearly.
What input due to parking braking torque arm 1 is to rotatablely move, and the forms of motion that piston 9 requires is straight line motion, therefore, two-stage axial displacement driving mechanism can be connected in series by two screw-drive mechanisms, or be connected in series by two rolling inclined-plane driving mechanisms, or be connected in series by a rolling inclined-plane driving mechanism and a screw-drive mechanism.
In the present embodiment, two-stage axial displacement driving mechanism is selected last a kind of structural type, is connected in series and is formed by a rolling inclined-plane driving mechanism and a screw-drive mechanism.Specifically, first order axial displacement driving mechanism is rolling inclined-plane driving mechanism, only transmits very little axial displacement, and it comprises parking braking torsion bar 2, rolling element 4 and is fixed on the raceway element 3 on caliper 14.Raceway element 3 is to be fixed on the madial wall of caliper 14, raceway element 3 is discoid, the side that itself and caliper 14 internal faces are fitted is provided with an anti-rotation boss 3a of protrusion, on the internal face of caliper 14, relevant position is provided with a groove (not shown), anti-rotation boss 3a embeds in groove, can prevent that raceway element 3 from rotating in the time that parking is moved.As other anti-rotation modes of raceway element 3, can also on raceway element 3, through hole be set, then after passing the through hole on raceway element 3 by a pin, embed in the groove arranging on caliper 14, raceway element 3 and caliper 14 are connected, can reach equally the object that prevents that raceway element 3 from rotating.
Parking braking torsion bar 2 is coaxial with piston 9, one end of parking braking torsion bar 2 is fixedly connected with parking braking torque arm 1 with the hole arranging on caliper 14 through raceway element 3, and means of fixation is to fix by nut check after the hole in parking braking torque arm 1 is inserted in the end of parking braking pull bar.The other end of parking braking torsion bar 2 is connected with second level axial displacement driving mechanism, by transmission of power to second level axial displacement driving mechanism.The structure of parking braking torsion bar 2 is as shown in Fig. 4 a and Fig. 4 b, and it comprises an axle 2c and the torsion bar projection 2d that is located at axle 2c end, and torsion bar projection 2d is discoid, and 2c coaxially arranges with axle, is connected with second level axial displacement driving mechanism by linkage structure.The other end of axle 2c is fixedly connected with parking braking torque arm 1 after being passed in raceway element 3 circular holes of centers setting and the axis hole of setting on caliper 14, and axle 2c is rotatably supported on caliper 14.
Rolling element 4 is clipped between the torsion bar boss and raceway element 3 of parking braking torsion bar 2, on the torsion bar boss side relative with raceway element 3, be respectively equipped with ramp 2b, the 3b of the grooved that holds rolling element 4, ramp 2b on torsion bar boss coordinates with the ramp 3b on raceway element 3, and rolling element 4 rolls and drives parking braking torsion bar 2 to move axially in the slope that parking braking torsion bar 2 and raceway element 3 form.The shape of rolling element 4 can be spherical, column or taper, and in the present embodiment, rolling element 4 is spherical.
As shown in Figure 6 a, ramp 2b, 3b on torsion bar boss and raceway element 3 is designed to have the arc groove of variable slope, diagram lines are the trajectory that rolling element 4 rolls in ramp 2b, 3b, comprise and be positioned at middle curve 15 and the curve 16 at curve 15 two ends, the slope of curve 15 is larger, the slope of curve 16 is less, and being embodied on ramp 2b, 3b is the degree of depth maximum in groove neutral position, also reduces gradually for the degree of depth from neutral position to groove two ends.Like this in the time of non-parking state, rolling element 4 is in the least significant end of curve 15, in the time that parking is moved, when rolling element 4 climbs P1 point from curve 15, the idle stroke of system is eliminated, while being rotated further, rolling element 4 climbs on the less curve 16 of slope, the benefit of doing is like this: 1, rolling element 4 climbs fast on curve 15, can eliminate fast the idle stroke of system, feeds back to while being exactly parking in operation operational stroke demand little; 2, rolling element 4 rolls along curve 16, and because the slope of curve 16 is little, the so effectively amplification effect of lifting force, feeds back to while being exactly parking in operation the demand of steering force little.As shown in Figure 6 b, as the ramp 2b on torsion bar boss and raceway element 3, the deformation program of 3b, curve 16 can also directly be designed to straight line, the so further amplification effect of lifting force, and prerequisite is the stroke transmission capacity demand of guarantee system.
As shown in the figure, axial displacement driving mechanism in the second level is screw-drive mechanism, and it comprises the parking braking swivel nut 6 being connected with parking braking torsion bar 2 and inserts the parking braking screw rod 10 being threaded with it in parking braking swivel nut 6.Specifically, parking braking swivel nut 6 comprises the sleeve pipe 6b coaxial with piston 9 and is located at the swivel nut projection 6c of sleeve pipe 6b end, sleeve pipe 6b internal surface is provided with internal thread, the outer surface of parking braking screw rod 10 is provided with outside thread, torsion bar projection 2d is connected with swivel nut projection 6c by linkage structure, so that rotatablely moving of parking braking torsion bar 2 is passed to parking braking swivel nut 6, drive parking braking swivel nut 6 synchronously to rotate.Parking braking swivel nut 6 forms power screw with parking braking screw rod 10, parking braking swivel nut 6 drives parking braking screw rod 10 moving linearlies, the end that parking braking screw rod 10 stretches out outside parking braking swivel nut 6 embeds in the shrinkage pool of piston 9 inner bottom surfaces settings, thereby straight line motion is sent on piston 9, promote piston 9 and move linearly towards brake disc 12 directions in the inner chamber of caliper 14, press to brake disc 12 generation parking braking functions thereby piston 9 promotes inner side brake slipper 11.The end of stretching out on parking braking screw rod 10 outside parking braking swivel nut 6 is also provided with a circular chock 101, the periphery of this chock 101 is conical surface, on the internal surface of piston 9, be provided with the conical surface identical with the conical surface tapering size of chock 101 near the position of inner bottom surface, the conical surface on conical surface and the chock 101 of piston 9 inner bottom parts fits.In parking braking process, because the conical surface on the conical surface in piston 9 and chock 101 fits, can produce frictional force, thereby the degrees of freedom that parking braking screw rod 10 rotates is retrained by piston 9, therefore parking braking screw rod 10 can only move linearly under the driving of parking braking swivel nut 6, there will not be rotation.
Between swivel nut projection 6c on torsion bar projection 2d and parking braking swivel nut 6 on parking braking torsion bar 2, be to be connected by keyway arrangements, in the present embodiment, on the side of torsion bar projection 2d, be along the circumferential direction laid with three key 2a, on the side of swivel nut projection 6c, be along the circumferential direction laid with three groove 6a, in mating connection with groove 6a in key 2a embedded groove 6a, realize the transmission of motion.Under the effect of flexible restoring organ, key 2a all the time in embedded groove 6a with groove 6a flexible fastening, in the time possessing certain condition, between key 2a and groove 6a, can separate vertically.
As shown in the figure, the inside of piston 9 is provided with the inner chamber body for holding second level axial displacement driving mechanism, and has opening towards one end of parking braking torsion bar 2 on piston 9, and parking braking swivel nut 6 stretches out with parking braking torsion bar 2 and is connected from this opening.Flexible restoring organ comprises the spring 8 on the sleeve pipe 6b that is set in parking braking swivel nut 6 and is fixed on the spring seat 7 on caliper 14 and from the opening insertion inner chamber body of piston 9, the end that stretches out in piston 9 openings of spring seat 7 is provided with annular catch, catch embeds in the limited impression of internal face setting of caliper 14 inner chambers, and by thering is flexible back-up ring 5, catch is clamped in limited impression, thereby spring seat 7 is fixed in caliper 14 inner chambers.Spring 8 is arranged in spring seat 7, and its one end is against on the interior diapire of spring seat 7, and the other end is against on the swivel nut projection 6c of parking braking swivel nut 6.Parking braking torsion bar 2, raceway element 3, rolling element 4, parking braking swivel nut 6 are by the flexible inner chamber that is fixed on caliper 14 under the elastic force effect of spring 8, and parking braking screw rod 10 is fixed in piston 9 by flexible.
The clamp of said structure are in the time implementing parking action, drag-line (not shown) drives parking braking torque arm 1 to rotate, parking braking torque arm 1 drives parking braking torsion bar 2 to rotate, when parking braking torsion bar 2 rotates, rolling element 4 rolls and passes out axial displacement △ 1 on the ramp forming between parking braking torsion bar 2 and raceway element 3.Raceway element 3 suffers restraints and can not rotate while action in the time of parking.When rotating, parking braking torsion bar 2 can drive parking braking swivel nut 6 to rotate simultaneously, parking braking swivel nut 6 is threaded connection with parking braking screw rod 10, when parking, move, parking braking screw rod 10 does not rotate, thereby between parking braking swivel nut 6 and parking braking screw rod 10, relatively rotate and pass out axial displacement △ 2 like this, the distance that piston 9 is advanced forward equals the axial displacement sum that two-stage axial displacement driving mechanism passes out, and the distance that piston 9 is advanced is forward △ 1+ △ 2.Piston 9 promotes inner side brake slipper 11 and presses to brake disc 12, thereby produces parking braking effect.
The clamp tool of said structure has the following advantages:
1, the axial displacement transmission while utilizing two-stage axial displacement driving mechanism to realize parking, cancel complicated rotation prevention structure, simplified parts design and manufacturing process, reduced the failure mode of product, promote assembly process process and the reliability of product, and promoted the performance of product;
2, the axial tandem arrangement of two-stage axial displacement driving mechanism, the form that first order transmission adopts rolling element 4 to roll on raceway provides axial displacement, and prior art, does not have sliding friction, thereby has promoted parking efficiency relatively;
3, in two-stage axial displacement driving mechanism, first order axial displacement driving mechanism is mainly used in eliminating fast the idle stroke of system, after idle stroke is eliminated, first order axial displacement driving mechanism only transmits very little axial displacement or does not transmit axial displacement, the system variant producing when parking is (as the compressive strain of brake slipper, the resiliently deformable of caliper 14) mainly rely on sliding spiral pair to afford redress, reduce like this impact of raceway size on parking magnifiation in depth in first order driving mechanism, simultaneously, the space affluence of sliding spiral pair, can realize larger parking magnifiation in depth by the parameter of optimizing sliding spiral pair.
In addition, as shown in Figure 7, as the deformation program of two-stage axial displacement driving mechanism, parking braking torsion bar 2 and parking braking swivel nut 6 can be realized transmission by rolling element 4, on the side of the corresponding torsion bar projection 2d at parking braking torsion bar 2, be provided with the groove that allows rolling element 4 embed, the shape of groove shapes and rolling element 4 matches, the side of the swivel nut projection 6c of parking braking swivel nut 6 is provided with and ramp identical on torsion bar boss in above-described embodiment and raceway element 3, as shown in the figure, rolling element 4 is spherical, corresponding groove shapes is also spherical, rolling element 4 is provided with three altogether, also along the circumferential direction uniform three, ramp on groove on torsion bar projection 2d and swivel nut projection 6c.On parking braking swivel nut 6, also need to increase rotation prevention structure,, in the time that parking is worked, parking braking swivel nut 6 carries out anti-rotation by key 6d or other structure uniform on swivel nut projection 6c outer peripheral surface.Under the effect of flexible restoring organ, parking braking torsion bar 2, raceway element 3, rolling element 4, parking braking swivel nut 6 are by the flexible inner chamber that is fixed on caliper 14 under the elastic force effect of spring, and parking braking screw rod 10 is fixed in piston 9 by flexible.
First order axial displacement driving mechanism can also select other to have the structure that can eliminate fast system idle stroke, as Eccentric earn mechamism etc.
Below by reference to the accompanying drawings the utility model is exemplarily described.Obviously, the utility model specific implementation is not subject to the restrictions described above.As long as having adopted the improvement of the various unsubstantialities that method of the present utility model design and technological scheme carry out; Or without improvement, above-mentioned design of the present utility model and technological scheme are directly applied to other occasion, all within protection domain of the present utility model.
Claims (10)
1. one kind has the clamp of parking function, comprise caliper, piston and locking device for a vehicle, locking device for a vehicle comprises the parking braking torque arm rotating, and it is characterized in that: described locking device for a vehicle also comprises the two-stage axial displacement driving mechanism that rotatablely moves and change into straight line motion and straight line motion is sent to described piston from described parking braking torque arm input.
2. a kind of clamp with parking function according to claim 1, is characterized in that: described two-stage axial displacement driving mechanism comprises the first order axial displacement driving mechanism and the second level axial displacement driving mechanism that are connected in series.
3. a kind of clamp with parking function according to claim 2, it is characterized in that: described two-stage axial displacement driving mechanism is connected in series by two screw-drive mechanisms, or be connected in series by two rolling inclined-plane driving mechanisms, or be connected in series by a rolling inclined-plane driving mechanism and a screw-drive mechanism.
4. a kind of clamp with parking function according to claim 2, it is characterized in that: described first order axial displacement driving mechanism comprises parking braking torsion bar, rolling element and be fixed on the raceway element on described caliper, one end of parking braking torsion bar is connected with described parking braking torque arm with the hole arranging on caliper through raceway element, the other end is connected with described second level axial displacement driving mechanism, rolling element is clipped between parking braking torsion bar and raceway element, parking braking torsion bar and raceway element are provided with the ramp and the rolling element that hold rolling element and move linearly vertically along ramp roll drive parking braking torsion bar.
5. a kind of clamp with parking function according to claim 4, it is characterized in that: described second level axial displacement driving mechanism comprises the parking braking swivel nut being connected with described parking braking torsion bar and inserts the parking braking screw rod being threaded with it in parking braking swivel nut, and parking braking screw rod is connected straight line motion is sent on piston with described piston.
6. a kind of clamp with parking function according to claim 5, it is characterized in that: described piston is provided with the inner chamber body for holding described second level axial displacement driving mechanism and has opening towards one end of described parking braking torsion bar, and described parking braking swivel nut stretches out with parking braking torsion bar and is connected from opening.
7. a kind of clamp with parking function according to claim 6, it is characterized in that: described parking braking torsion bar is respectively provided with a projection with the end that described parking braking swivel nut is connected, in described two projections, wherein a projection is provided with key, and another projection is provided with the groove that coordinates transmission with key that allows key embed.
8. a kind of clamp with parking function according to claim 7, is characterized in that: the projection of described parking braking torsion bar is provided with key, and the projection of described parking braking swivel nut is provided with groove.
9. a kind of clamp with parking function according to claim 8, it is characterized in that: also comprise flexible restoring organ, flexible restoring organ comprises the spring being set on described parking braking swivel nut and is fixed on the spring seat on described caliper and from the opening insertion inner chamber body of described piston, spring one end is against on spring seat, and the other end is against on the projection of parking braking swivel nut.
10. according to the arbitrary described a kind of clamp with parking function of claim 4 to 9, it is characterized in that: described rolling element is spherical, column or taper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420104625.8U CN203770492U (en) | 2014-03-08 | 2014-03-08 | Calipers with parking function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420104625.8U CN203770492U (en) | 2014-03-08 | 2014-03-08 | Calipers with parking function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203770492U true CN203770492U (en) | 2014-08-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420104625.8U Expired - Lifetime CN203770492U (en) | 2014-03-08 | 2014-03-08 | Calipers with parking function |
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| CN (1) | CN203770492U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103994165A (en) * | 2014-03-08 | 2014-08-20 | 芜湖伯特利汽车安全系统有限公司 | Calipers with parking function |
| CN105443626A (en) * | 2015-12-29 | 2016-03-30 | 广州中博制动系统有限公司 | Novel ball and disc type driving mechanism for parking calipers |
| CN108461890A (en) * | 2018-04-17 | 2018-08-28 | 四川省能源投资集团有限责任公司 | A kind of communication pole and its method of adjustment of conveniently adjusting angle |
-
2014
- 2014-03-08 CN CN201420104625.8U patent/CN203770492U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103994165A (en) * | 2014-03-08 | 2014-08-20 | 芜湖伯特利汽车安全系统有限公司 | Calipers with parking function |
| CN105443626A (en) * | 2015-12-29 | 2016-03-30 | 广州中博制动系统有限公司 | Novel ball and disc type driving mechanism for parking calipers |
| CN108461890A (en) * | 2018-04-17 | 2018-08-28 | 四川省能源投资集团有限责任公司 | A kind of communication pole and its method of adjustment of conveniently adjusting angle |
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Address after: 241009 Wuhu economic and Technological Development Zone, Anhui, No. 19 Taishan Road Patentee after: BETHEL AUTOMOTIVE SAFETY SYSTEMS Co.,Ltd. Address before: 241009 Wuhu economic and Technological Development Zone, Anhui, No. 19 Taishan Road Patentee before: WUHU BETHEL AUTOMOTIVE SAFETY SYSTEMS Co.,Ltd. |
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