CN104088936B - Parking braking clamp - Google Patents

Parking braking clamp Download PDF

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Publication number
CN104088936B
CN104088936B CN201410252760.1A CN201410252760A CN104088936B CN 104088936 B CN104088936 B CN 104088936B CN 201410252760 A CN201410252760 A CN 201410252760A CN 104088936 B CN104088936 B CN 104088936B
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China
Prior art keywords
brake block
sliding plug
rear end
cylinder body
chute
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CN201410252760.1A
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Chinese (zh)
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CN104088936A (en
Inventor
韩忠华
陈启生
王成林
林国贤
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Zhejiang Libang Hexin Intelligent Brake System Co Ltd
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Zhejiang Libang Hexin Intelligent Brake System Co Ltd
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Priority to CN201410252760.1A priority Critical patent/CN104088936B/en
Publication of CN104088936A publication Critical patent/CN104088936A/en
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Abstract

The present invention relates to brake device for car field, it is therefore an objective to provide a kind of parking braking clamp.A kind of parking braking clamp, including being provided with the cylinder body of two lugs, it is provided with the sliding plug of anti-rotation depression, is provided with the adjusting lever of the screw rod being connected by self-locking thread with sliding plug, it is provided with the braking clamp body of stopper tab, two are provided with the lateral mass guiding blind hole, two guide rods being respectively connected, two corrugate sheath being respectively set in outside a guide rod with a lug, it is provided with the divider of blend stop, installing rack, front brake block, rear brake block;Two front-sliders are each positioned in the front chute of a divider;Two rear sliders are each positioned in the rear chute of an installing rack;The limit that the rear end of rear brake block is provided with anti-rotation recessed fit turns projection;The rear end of adjusting lever is provided with splined hole.With the good good braking effect of brake disc when the front brake block of these parking braking clamp and rear brake block stable movement and braking.

Description

Parking braking clamp
Technical field
The present invention relates to brake device for car field, especially a kind of parking braking clamp.
Background technology
Automobile hand brake parking braking, the strength to parking brake cable is applied by pulling of parking vehicle brake lever, the movement of vehicle is retrained by operation parking braking clamp, operation is laborious, needs to rely on driver manually to discharge hand braking and skilled throttle, the smooth and easy starting of ability of clutch interoperation when hill start;Long time property braking function after electronic brake system refers to the provisional braking in driving conditions and parking combines, and is realized the technology of stopping brake by electronic control mode;Control mode becomes electronic button from mechanical type parking brake pull bar before;Touching on the brake without a pin during parking braking or use parking brake, car to remain static all the time, when needs release resting state, the most only need to dub throttle and can release braking, driver's rapid operation is convenient;Stopping caliper is the actuator of braking;Chinese Patent Application No.: the utility model of 200820163269.1 discloses a kind of stopping caliper assembly, mainly include brake disc, piston and screw rod, brake disc is externally provided with friction plate, screw jacket has screw sleeve, screw sleeve to be in piston cavity, and screw sleeve is externally provided with spring, screw rod one end contacts with the push rod on pulling axis, screw sleeve is fixing with nut head to be connected, and the other end of screw rod is in nut head, and nut head outer surface is provided with leather cup.There is brake block robust motion and the deficiency poor with brake disc, therefore, a kind of brake block robust motion of design and parking braking clamp preferable with brake disc in this stopping caliper, becomes problem demanding prompt solution.
Summary of the invention
The invention aims to overcome current stopping caliper to there is brake block robust motion and the deficiency poor with brake disc, it is provided that a kind of brake block robust motion and parking braking clamp preferable with brake disc.
The concrete technical scheme of the present invention is:
A kind of parking braking clamp, the cylinder body of two lugs it is provided with including gusset, it is positioned at front end face in cylinder body and is provided with the sliding plug of at least one anti-rotation depression, front end is provided with the screw rod being connected with sliding plug the adjusting lever with cylinder body pivot joint by self-locking thread, it is provided with stopper tab the braking clamp body being connected with cylinder body, two rear end faces are provided with the lateral mass guiding blind hole, two mate and each guide rod being connected with a lug with guiding blind hole, the corrugate sheath of two anti-lubricating grease leakage being respectively set in outside a guide rod, it is provided with and is positioned at each divider being connected with a lateral mass of the blend stop on front side of stopper tab and two ends, it is positioned on rear side of stopper tab and each installing rack being connected with a lateral mass in two ends, two side ends is respectively provided with the front brake block of a front-slider, two side ends is respectively provided with the rear brake block of a rear slider;Being respectively provided with a front sliding-rail groove inside relative the two of divider, be provided with a front slide rail in each front sliding-rail groove, front slide rail is provided with the front chute that direction is parallel with sliding plug axis;Two front-sliders are each positioned in a front chute and are slidably connected with front chute;Being respectively provided with an aft ramp groove inside relative the two of installing rack, be provided with an aft ramp in each aft ramp groove, aft ramp is provided with the rear chute that direction is parallel with sliding plug axis;Two rear sliders are connected in chute and with rear slide after being each positioned at one;The limit that the rear end of rear brake block is provided with anti-rotation recessed fit turns projection;The rear end of adjusting lever is provided with splined hole.These parking braking clamp guide blind hole and guide rod and coordinate, and corrugate sheath makes the grease being coated in outside guide rod not leak beneficially to slide, and the front brake block of brake caliper is slidably connected with installing rack by front slide rail, and rear brake block is slidably connected with divider by aft ramp;With the good good braking effect of brake disc when the front brake block of these parking braking clamp and rear brake block stable movement and braking.
As preferably, described sliding plug includes that rear end face is provided with the sliding plug body of rear counterbore, is positioned at sliding plug body front end and is provided with the square screw thread guide pillar cut somebody's hair and pass through that self-locking thread is connected with screw rod;The bottom surface of rear counterbore is provided with and the square squared counter bore cut somebody's hair and mate;The outside of cylinder body is provided with the fuel feed hole connected with rear counterbore;Being provided with rectangular seal between cylinder body and sliding plug body, the interior gusset of cylinder body is provided with the front end external diameter rectangular seal ring recess more than rear end external diameter;Three anti-rotation depressions are positioned at sliding plug body front end.The cross sectional shape of rectangular seal makes it have higher seal pressure, it it is the fixing seals that can be used for two way seal, contact pressure is given by applied when installing, make it in the initial sealing property of radial and axial generation, this contact pressure, strengthen accordingly because of hydraulic system pressure, owing to have employed good elastomeric material, its performance under pressure, similar with having high capillary liquid, thus pressure can transmit to various aspects equably, there is higher compactedness in the trench, so the reset function moving back and forth and having when hydraulic system pressure reduces elastomer of sealing ring can be reduced when pressure changes;These parking braking clamp also have running braking function in addition to parking braking function;During service brake, hydraulic oil counterbore after fuel feed hole enters promotes sliding plug body to travel forward, front brake block and rear brake block are clamped brake disc and are braked, after releasing of brake, hydraulic fluid pressure reduces, sliding plug body rearward movement, front brake block and rear brake block under the elastic reset power effect of rectangular seal disengage with brake disc;Rectangular seal front of the slot external diameter can increase the elastic reset power of rectangular seal more than rear end external diameter;During parking braking, screw rod promotes sliding plug body to travel forward through screw thread guide pillar, and front brake block and rear brake block are clamped brake disc and be braked, and during not parking braking, screw thread guide pillar retreats and departs from sliding plug body, and front brake block and rear brake block disengage with brake disc.
As preferably, described front brake block includes header board, the buffer substrate tablet being connected with the front end of header board, the friction plate being connected with the rear end of header board;Two front-sliders lay respectively at the opposite sides end of header board;Rear brake block includes back plate, the buffer substrate tablet being connected with the front end of back plate, the friction plate being connected with the rear end of back plate;The braking surface of friction plate is provided with groove along the vertical direction;Two rear sliders lay respectively at the opposite sides end of back plate;Limit turns projection and is positioned at the rear end of back plate.Buffer substrate tablet makes braking steadily be beneficial to reduce vibration and noise;Friction plate is provided with groove, has certain deformation increase when brake and is beneficial to braking with brake disc.
Compared with prior art, the invention has the beneficial effects as follows: these parking braking clamp guide blind hole and guide rod coordinates, corrugate sheath makes the grease being coated in outside guide rod not leak beneficially to slide, the front brake block of brake caliper is slidably connected with installing rack by front slide rail, and rear brake block is slidably connected with divider by aft ramp;With the good good braking effect of brake disc when the front brake block of these parking braking clamp and rear brake block stable movement and braking.These parking braking clamp also have running braking function in addition to parking braking function;Rectangular seal front of the slot external diameter can increase the elastic reset power of rectangular seal more than rear end external diameter.Buffer substrate tablet makes braking steadily be beneficial to reduce vibration and noise;Friction plate is provided with groove, has certain deformation increase when brake and is beneficial to braking with brake disc.The cushion pad being coated on outside inserted sheet inserts in cushion hole, kept coaxial, and made again minimizing vibration and noise result more preferable when both having ensured by being automatically adjusted and making planetary reduction gear work with motor.Shakeproof washer inserts gasket hole and is beneficial to reduce motor oscillating and noise.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the present invention;
Fig. 2 is the left view figure of Fig. 1;
Fig. 3 is the top view of Fig. 2.
nullIn figure: cylinder body-8、Lug-81、Fuel feed hole-82、Rectangular seal ring recess-83、Sliding plug-9、Anti-rotation depression-91、Sliding plug body-92、Square cut somebody's hair-93、Screw thread guide pillar-94、Rear counterbore-95、Squared counter bore-96、Adjusting lever-10、Screw rod-101、Splined hole-102、Braking clamp body-11、Stopper tab-111、Lateral mass-12、Guide blind hole-121、Guide rod-13、Corrugate sheath-14、Divider-15、Blend stop-151、Front sliding-rail groove-152、Installing rack-16、Front brake block-17、Front-slider-171、Header board-172、Buffer substrate tablet-173、Friction plate-174、Groove-175、Rear brake block-18、Limit turns projection-181、Back plate-182、Front slide rail-19、Front chute-191、Rectangular seal-20、Brake disc-21.
Detailed description of the invention
Shown in below in conjunction with the accompanying drawings, the present invention is described further.
nullAs shown in accompanying drawing 1 to accompanying drawing 3: a kind of parking braking clamp,The cylinder body 8 of two lugs 81 it is provided with including gusset,It is positioned at front end face in cylinder body 8 and is provided with the sliding plug 9 of three anti-rotation depressions 91,Front end is provided with the screw rod 101 being connected by self-locking thread with sliding plug 9 and passes through the adjusting lever 10 of plane bearing pivot joint with cylinder body 8,It is provided with stopper tab 111 and is integrally formed the braking clamp body 11 being connected with cylinder body 8,Two rear end faces are provided with the lateral mass 12 guiding blind hole 121,Two guide rods 13 being respectively connected with lug 81 screw with guiding blind hole 121 matched in clearance,The corrugate sheath 14 of two anti-lubricating grease leakage being respectively set in outside a guide rod 13,It is provided with and is positioned at the blend stop 151 on front side of stopper tab 111 and two ends are respectively integrally formed, with a lateral mass 12, the divider 15 being connected,It is positioned on rear side of stopper tab 111 and two ends are respectively integrally formed, with a lateral mass 12, the installing rack 16 being connected,Two side ends is respectively provided with the front brake block 17 of a front-slider 171,Two side ends is respectively provided with the rear brake block 18 of a rear slider (being not drawn in accompanying drawing);Being respectively provided with a front sliding-rail groove 152 inside relative the two of divider 15, be provided with a front slide rail 19 in each front sliding-rail groove 152, front slide rail 19 is provided with the front chute 191 that direction is parallel with sliding plug 9 axis;Two front-sliders 171 are each positioned in a front chute 191 and are slidably connected with front chute 191;Being respectively provided with an aft ramp groove (being not drawn in accompanying drawing) inside relative the two of installing rack 16, be provided with an aft ramp (being not drawn in accompanying drawing) in each aft ramp groove, aft ramp is provided with the rear chute (being not drawn in accompanying drawing) that direction is parallel with sliding plug 9 axis;Two rear sliders are connected in chute and with rear slide after being each positioned at one;The rear end of rear brake block 18 is provided with and turns projection 181 with the cave in limit of 91 matched in clearance of anti-rotation;The rear end of adjusting lever 10 is provided with splined hole 102.
Described sliding plug 9 includes that rear end face is provided with the sliding plug body 92 of rear counterbore 95, is positioned at sliding plug body 92 Inner Front End and is provided with and square cuts somebody's hair 93 and the screw thread guide pillar 94 that is connected with screw rod 101 by self-locking thread;The bottom surface of rear counterbore 95 is provided with and the squared counter bore 96 of square 93 matched in clearance of cutting somebody's hair;The outside of cylinder body 8 is provided with the fuel feed hole 82 connected with rear counterbore 95;Being provided with rectangular seal 20 between cylinder body 8 and sliding plug body 92, the interior gusset of cylinder body 8 is provided with the front end external diameter rectangular seal ring recess 83 more than rear end external diameter;Three anti-rotation depressions 91 are positioned at sliding plug body 92 front end.
Described front brake block 17 includes header board 172, the buffer substrate tablet 173 being connected with the front end of header board 172, the friction plate 174 being connected with the rear end of header board 172;Two front-sliders 171 lay respectively at the opposite sides end of header board 172;Rear brake block 18 includes back plate 182, the buffer substrate tablet 173 being connected with the front end of back plate 182, the friction plate 174 being connected with the rear end of back plate 182;The braking surface of friction plate 174 is provided with groove 175 along the vertical direction;Two rear sliders lay respectively at the opposite sides end of back plate 182;Limit turns projection 181 and is positioned at the rear end of back plate 182.
Described self-locking thread is buttless thread or rectangular thread;Grease is scribbled outside guide rod 13;Corrugate sheath 14, material be rubber;The material of buffer substrate tablet 173, front slide rail 19 and aft ramp is spring steel.
Splined hole 102 described in during work is in transmission connection with the splined output shaft of actuating device.
The cross sectional shape of the rectangular seal 20 of these parking braking clamp makes it have higher seal pressure, it it is the fixing seals that can be used for two way seal, contact pressure is given by applied when installing, make it in the initial sealing property of radial and axial generation, this contact pressure, strengthen accordingly because of hydraulic system pressure, owing to have employed good elastomeric material, its performance under pressure, similar with having high capillary liquid, thus pressure can transmit to various aspects equably, there is higher compactedness in the trench, so the reset function moving back and forth and having when hydraulic system pressure reduces elastomer of sealing ring can be reduced when pressure changes;These parking braking clamp also have running braking function in addition to parking braking function;During service brake, hydraulic oil counterbore 95 after fuel feed hole 82 enters promotes sliding plug body 92 to travel forward, front brake block 17 and rear brake block 18 are clamped brake disc 21 and are braked, after releasing of brake, hydraulic fluid pressure reduces, sliding plug body 92 is rearward movement under the elastic reset power effect of rectangular seal 20, and front brake block 17 and rear brake block 18 disengage with brake disc 21;During parking braking, screw rod 101 promotes sliding plug body 92 to travel forward through screw thread guide pillar 94, front brake block 17 and rear brake block 18 are clamped brake disc 21 and are braked, during not parking braking, screw thread guide pillar 94 retreats and departs from sliding plug body 92, and front brake block 17 and rear brake block 18 disengage with brake disc 21.
The invention has the beneficial effects as follows: these parking braking clamp guide blind hole and guide rod coordinates, corrugate sheath makes the grease being coated in outside guide rod not leak beneficially to slide, the front brake block of brake caliper is slidably connected with installing rack by front slide rail, and rear brake block is slidably connected with divider by aft ramp;With the good good braking effect of brake disc when the front brake block of these parking braking clamp and rear brake block stable movement and braking.These parking braking clamp also have running braking function in addition to parking braking function;Rectangular seal front of the slot external diameter can increase the elastic reset power of rectangular seal more than rear end external diameter.Buffer substrate tablet makes braking steadily be beneficial to reduce vibration and noise;Friction plate is provided with groove, has certain deformation increase when brake and is beneficial to braking with brake disc.The cushion pad being coated on outside inserted sheet inserts in cushion hole, kept coaxial, and made again minimizing vibration and noise result more preferable when both having ensured by being automatically adjusted and making planetary reduction gear work with motor.Shakeproof washer inserts gasket hole and is beneficial to reduce motor oscillating and noise.
It is apparent to one skilled in the art that the present invention can change into various ways, and such change is not regarded as a departure from the scope of the present invention.All such technical staff to described field obviously revise, and are included within the scope of present claims.

Claims (2)

1. parking braking clamp, the cylinder body of two lugs it is provided with including gusset, it is positioned at front end face in cylinder body and is provided with the sliding plug of at least one anti-rotation depression, front end is provided with the screw rod being connected with sliding plug the adjusting lever with cylinder body pivot joint by self-locking thread, it is provided with stopper tab the braking clamp body being connected with cylinder body, two rear end faces are provided with the lateral mass guiding blind hole, two mate and each guide rod being connected with a lug with guiding blind hole, the corrugate sheath of two anti-lubricating grease leakage being respectively set in outside a guide rod, it is provided with and is positioned at the blend stop on front side of stopper tab and two ends are respectively integrally formed, with a lateral mass, the divider being connected, it is positioned on rear side of stopper tab and two ends are respectively integrally formed, with a lateral mass, the installing rack being connected, two side ends is respectively provided with the front brake block of a front-slider, two side ends is respectively provided with the rear brake block of a rear slider;Being respectively provided with a front sliding-rail groove inside relative the two of divider, be provided with a front slide rail in each front sliding-rail groove, front slide rail is provided with the front chute that direction is parallel with sliding plug axis;Two front-sliders are each positioned in a front chute and are slidably connected with front chute;Being respectively provided with an aft ramp groove inside relative the two of installing rack, be provided with an aft ramp in each aft ramp groove, aft ramp is provided with the rear chute that direction is parallel with sliding plug axis;Two rear sliders are connected in chute and with rear slide after being each positioned at one;The limit that the rear end of rear brake block is provided with anti-rotation recessed fit turns projection;The rear end of adjusting lever is provided with splined hole;Sliding plug includes that rear end face is provided with the sliding plug body of rear counterbore, is positioned at sliding plug body front end and is provided with the square screw thread guide pillar cut somebody's hair and pass through that self-locking thread is connected with screw rod;The bottom surface of rear counterbore is provided with and the square squared counter bore cut somebody's hair and mate;The outside of cylinder body is provided with the fuel feed hole connected with rear counterbore;Being provided with rectangular seal between cylinder body and sliding plug body, the interior gusset of cylinder body is provided with the front end external diameter rectangular seal ring recess more than rear end external diameter;Three anti-rotation depressions are positioned at sliding plug body front end.
Parking braking clamp the most according to claim 1, is characterized in that: described front brake block includes header board, the buffer substrate tablet being connected with the front end of header board, the friction plate being connected with the rear end of header board;Two front-sliders lay respectively at the opposite sides end of header board;Rear brake block includes back plate, the buffer substrate tablet being connected with the rear end of back plate, the friction plate being connected with the front end of back plate;The braking surface of the friction plate being connected with the rear end of header board is provided with groove along the vertical direction, and the braking surface of the friction plate being connected with the front end of back plate is provided with groove along the vertical direction;Two rear sliders lay respectively at the opposite sides end of back plate;Limit turns projection and is positioned at the rear end of back plate.
CN201410252760.1A 2014-06-10 2014-06-10 Parking braking clamp Active CN104088936B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410252760.1A CN104088936B (en) 2014-06-10 2014-06-10 Parking braking clamp

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Application Number Priority Date Filing Date Title
CN201410252760.1A CN104088936B (en) 2014-06-10 2014-06-10 Parking braking clamp

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CN104088936B true CN104088936B (en) 2016-08-24

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109695643B (en) * 2019-02-19 2020-07-10 辽宁工业大学 Electronic parking structure of electric automobile and control method thereof
CN110778711B (en) * 2019-10-31 2021-04-20 奇瑞商用车(安徽)有限公司 EPB actuating mechanism and assembling method thereof
CN114658778A (en) * 2022-03-31 2022-06-24 长沙泊呈科技有限公司 Brake cylinder and disc brake device provided with same

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6135245A (en) * 1997-08-22 2000-10-24 Toyota Jidosha Kabushiki Kaisha Disc brake system
CN202418346U (en) * 2011-12-31 2012-09-05 厦门亨东制动***有限公司 Pressure-spring-type brake caliper
CN103133567A (en) * 2011-11-29 2013-06-05 日立汽车***株式会社 Disk brake
CN203627610U (en) * 2013-11-19 2014-06-04 浙江力邦合信汽车制动***有限公司 Integrated electronic parking brake actuator
CN203948526U (en) * 2014-06-10 2014-11-19 浙江力邦合信汽车制动***有限公司 Parking braking clamp

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6135245A (en) * 1997-08-22 2000-10-24 Toyota Jidosha Kabushiki Kaisha Disc brake system
CN103133567A (en) * 2011-11-29 2013-06-05 日立汽车***株式会社 Disk brake
CN202418346U (en) * 2011-12-31 2012-09-05 厦门亨东制动***有限公司 Pressure-spring-type brake caliper
CN203627610U (en) * 2013-11-19 2014-06-04 浙江力邦合信汽车制动***有限公司 Integrated electronic parking brake actuator
CN203948526U (en) * 2014-06-10 2014-11-19 浙江力邦合信汽车制动***有限公司 Parking braking clamp

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Address after: Prosperous road light furniture Wanquan Park of Pingyang County in Zhejiang province Wenzhou City, No. 111, 325400

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