CN208646817U - A kind of integrated assembly of automotive electronic parking drum brake - Google Patents

A kind of integrated assembly of automotive electronic parking drum brake Download PDF

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Publication number
CN208646817U
CN208646817U CN201821067442.8U CN201821067442U CN208646817U CN 208646817 U CN208646817 U CN 208646817U CN 201821067442 U CN201821067442 U CN 201821067442U CN 208646817 U CN208646817 U CN 208646817U
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CN
China
Prior art keywords
bracing wire
gear
parking
tank shell
sleeve
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Withdrawn - After Issue
Application number
CN201821067442.8U
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Chinese (zh)
Inventor
王变变
蔡伟
黄国兴
汪永胜
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Asia Pacific Mechanical and Electronic Co Ltd
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Zhejiang Asia Pacific Mechanical and Electronic Co Ltd
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Priority to CN201821067442.8U priority Critical patent/CN208646817U/en
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Publication of CN208646817U publication Critical patent/CN208646817U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of automotive electronic parking drum brakes to integrate assembly.Including drum brake brake apparatus and power executing device, drum brake brake apparatus includes parking torque arm, rest pad, bracing wire guide pipe and guy wire support, and power executing device includes right gear tank shell, left gear tank shell, electric machine casing, screw rod and bracing wire;Motor provides power, and by planetary gear speed-reduction torque increase, angular wheel is turned to, and screw rod swivel nut torque is converted into pulling force, acts in drum brake torque arm finally by drag-line, completes parking braking process;When obtaining parking release signal, motor reversal releases drag-line and acts on the parking power in brake torque arm, and vehicle parked state releases.The utility model can complete vehicle electric parking, while in the case where driving a vehicle brake fade, carry out emergency brake operations, have anti-lock function.

Description

A kind of integrated assembly of automotive electronic parking drum brake
Technical field
The utility model relates to automobile brake control technologies, more particularly to a kind of automotive electronic parking drum brake collection At assembly.
Background technique
Automotive electronic parking is widely used in a variety of models, has been increasingly becoming standard configuration.Executing agency is generally divided into two Kind: double drag-lines and integrated form.In current industry, there is the electronic parking assembly of double drag-lines to act on calipers assembly and drum-type system Dynamic device assembly, the electronic parking assembly of integrated form, which is substantially, acts on calipers assembly.The vehicle big for all-up weight, vehicle It more needs to arrange drum brake, so integrated type electrical parking assembly acts on drum brake and will be to become Gesture.
Utility model content
In order to solve the problems, such as that background technique center exists, there is provided a kind of automotive electronic parking drum-types for the utility model Brake integrates assembly, can apply in all vehicles, can complete vehicle electric parking.Simultaneously in the feelings of driving brake fade Under condition, emergency brake operations are carried out, while there are also anti-lock functions.
In order to solve the above technical problems, the utility model adopts the following technical solution:
The utility model includes neck from the braking tendons of beef, mutton or pork, bottom plate, hub bearing, and hub bearing is mounted at bottom center hole, Including drum brake brake apparatus and power executing device.
The drum brake brake apparatus includes parking torque arm, rest pad, bracing wire guide pipe and guy wire support, parking Torque arm and from braking the tendons of beef, mutton or pork be fixed together, rest pad be mounted on neck braking the tendons of beef, mutton or pork bottom and from braking the tendons of beef, mutton or pork bottom it Between, it is welded with guy wire support in the back bottom of bottom plate, is welded with bracing wire guide pipe in the back side middle and lower part of bottom plate, Opening circular hole coaxial on bracing wire guide pipe and guy wire support.
The power executing device includes right gear tank shell, left gear tank shell, electric machine casing, screw rod and bracing wire, Right gear tank shell and left gear tank shell are connected to the bottom face of electric machine casing after being connected to each other, electric machine casing top connects upper cover Assembly, right gear tank shell are fixedly installed in guy wire support through interior six point cylindrical head bolt;Motor, motor are installed in electric machine casing Output shaft connects downward and through planetary gear with output gear, output gear and the engagement connection of swivel nut gear, output gear and spiral shell It is Bevel Gear Transmission connection between sleeve gear, swivel nut gear both ends pass through left bearing respectively and right bearing is mounted on right gear box shell In the shell that body and left gear tank shell are formed;Swivel nut gear is equipped with screwed hole of centre, and screw flight is sleeved on swivel nut gear In screwed hole of centre, screw rod is connect after successively wearing release guard part, left bearing, swivel nut gear and right bearing with bracing wire one end.
Right gear tank shell, which is equipped with, stretches out sleeve, stretches out sleeve ends and is equipped with and stretches out ladder axle sleeve, right gear tank shell It stretches out sleeve to be bonded with bracing wire guiding end surfaces, stretches out ladder axle sleeve and extend into bracing wire guide pipe;Multi-diameter shaft is stretched out to be arranged with Twice annular groove, stretching multi-diameter shaft, which is put on, is equipped with sealing ring in one of annular groove for extend away from sleeve, sealed circle It is formed to be tightly connected with bracing wire guiding inside pipe wall and plays the role of dust seal, equipped with open slot in bracing wire guide pipe, in open slot Bracing wire circlip is installed, bracing wire circlip pass through snap fit onto after open slot stretch out multi-diameter shaft put on it is recessed close to one of sleeve annular is stretched out In slot;The bracing wire other end sequentially pass through right gear tank shell stretching sleeve, stretch out ladder axle sleeve, bracing wire guide pipe, bottom plate and It is connect after rest pad with the gib head of parking torque arm bottom.
The parking torque arm is being located at close to the side of hub bearing equipped with prominent position limiting structure, the prominent limit knot Structure plays position-limiting action, and when bracing wire is pulled to the limit, parking torque arm can swing to prominent position limiting structure and touch hub bearing Outer rim side so that parking torque arm no longer moves, to prevent screw rod from deviating from from swivel nut gear.
It is fixed with plastic stent at the top of the back side of the bottom plate, electric machine casing is clamped by plastic stent.
It is provided on rest pad for the smooth bracing wire guide groove passed through of bracing wire, rest pad is in two sides respectively with neck from brake-shoe Connection lateral position between muscle is provided with groove, so that rest pad is formed outside the limitation braking tendons of beef, mutton or pork in the outside for being axially distant from bottom plate The block stuck up.Rest pad is casting, is connect by bolt with bottom plate and knuckle, and stress reduces on knuckle when braking To the intensity requirement of bottom plate.
The release guard part includes washer and disk spring, and washer and disk spring are sleeved on screw rod end face and left axle Between holding.Screw rod excessively discharge or other abnormal release conditions under, the force value that supplement a part excessively discharges prevents screw thread from existing Excessively lead to locked phenomenon because power is excessive in release.
Screw rod excessively discharge or other abnormal release conditions under, the force value that supplement a part excessively discharges prevents screw thread Lead to locked phenomenon because power is excessive in excessive release.
The realization of the decelerating through motor torque increase effect of the utility model is to design to complete by planetary gear construction.
By motor axially to screw rod axial direction, the torque of this vertical direction, which transmits, is for the Motor torque transmitting of the utility model It is realized by angular wheel steering-effecting.
The utility model, by the positive and negative rotation of motor, can adjust on drag-line to braking in the case where process control The active force of device torque arm reaches the anti-lock function in emergency braking.
The working principle of the utility model is that motor provides power, and by planetary gear speed-reduction torque increase, angular wheel is turned to, Screw rod swivel nut torque is converted into pulling force, acts in drum brake torque arm finally by drag-line, completes parking braking process;When When obtaining parking release signal, motor reversal releases drag-line and acts on the parking power in brake drum torque arm, vehicle parked state solution It removes.
The beneficial effects of the utility model are:
The utility model can complete vehicle electric parking.Simultaneously in the case where driving a vehicle brake fade, promptly made Dynamic operation, while there are also anti-lock functions, apply in all vehicles.
Detailed description of the invention
Fig. 1 is the front view that the utility model electronic parking drum brake integrates assembly;
Fig. 2 is the explosive view that the utility model electronic parking drum brake integrates assembly;
Fig. 3 is the partial sectional view of Fig. 1,
Fig. 4 is status diagram when brake torque arm is in extreme position in implementing,
Fig. 5 is the rear view of Fig. 4.
In figure: 1 drum brake brake apparatus, 1.1 parking torque arm, the prominent position limiting structure of 1.1.1,1.2 rest pads, 1.2.1 bracing wire guide groove, 1.3 bracing wire guide pipes, 1.3.1 open slot, 1.4 bottom plates, 1.5 guy wire supports, 1.6 plastic stents, 1.7 bracing wire circlips, six cylinder head bolts in 1.8,1.9 sealing rings, the 1.10 neck braking tendons of beef, mutton or pork, 1.11 from the braking tendons of beef, mutton or pork;2 power Executive device, 2.1 right gear tank shells, 2.1.1 stretch out sleeve, and 2.1.2 stretches out ladder axle sleeve, 2.2 right bearings, and 2.3 releases are protected Guard, 2.4 left gear tank shells, 2.5 output gears, 2.6 left bearings, 2.7 screw rod inhaul cable assemblies, 2.7.1 screw rod, 2.7.2 are drawn Line, 2.8 swivel nut gears, 2.9 pinion frames, 2.10 planetary gears, 2.11 motors, 2.12 electric machine casings, cap assembly on 2.13; 3.1 hub bearings, 3.2 knuckles.
Specific embodiment
With reference to the accompanying drawings and detailed description, installation and use process are further described the utility model.
As shown in Figure 1, the utility model specific implementation include neck from braking the tendons of beef, mutton or pork 1.10,1.11, bottom plate 1.4, hub spindle 3.1, drum brake brake apparatus 1 and power executing device 2 are held, hub bearing 3.1 is mounted on 1.4 central hole of bottom plate.
As shown in Fig. 2, drum brake brake apparatus 1 includes parking torque arm 1.1, rest pad 1.2, bracing wire guide pipe 1.3 It is fixed together with guy wire support 1.5, parking torque arm 1.1 and from the braking tendons of beef, mutton or pork 1.10, rest pad 1.2 is mounted on neck brake-shoe The bottom of muscle 1.10 and from braking the tendons of beef, mutton or pork 1.11 bottom between, be welded with guy wire support in the back bottom of bottom plate 1.4 1.5, bracing wire guide pipe 1.3 is welded in the back side middle and lower part of bottom plate 1.4, on bracing wire guide pipe 1.3 and guy wire support 1.5 Opening circular hole coaxial.
As shown in Fig. 2, power executing device 2 includes right gear tank shell 2.1, left gear tank shell 2.4, electric machine casing 2.12, screw rod 2.7.1 and bracing wire 2.7.2, right gear tank shell 2.1 and left gear tank shell 2.4 are connected to motor after being connected to each other The bottom face of shell 2.12,2.12 top of electric machine casing connect upper cap assembly 2.13, and right gear tank shell 2.1 is through interior hexagonal cylindrical Hook bolt 1.8 is fixedly installed in guy wire support 1.5, and gear box casing 2.1 passes through the hole of guy wire support 1.5, passes through in two six Angle cylinder head bolt 1.8 is fixed on guy wire support 1.5.Motor 2.11, the back side top of bottom plate 1.4 are installed in electric machine casing 2.12 Portion is fixed with plastic stent 1.6, and electric machine casing 2.12 is clamped by plastic stent 1.6.
2.11 output shaft of motor connects downward and through planetary gear 2.10 and output gear 2.5, and planetary gear 2.10 passes through Pinion frame 2.9 is mounted in the shell that right gear tank shell 2.1 and left gear tank shell 2.4 are formed, i.e., is also right gear The housing cavity that tank shell 2.1, left gear tank shell 2.4 and electric machine casing 2.12 are formed, output gear 2.5 and swivel nut gear 2.8 engagement connections are Bevel Gear Transmission connection, 2.8 both ends of swivel nut gear difference between output gear 2.5 and swivel nut gear 2.8 It is mounted on by left bearing 2.6 and right bearing 2.2 in the shell that right gear tank shell 2.1 and left gear tank shell 2.4 are formed;Spiral shell Sleeve gear 2.8 is equipped with screwed hole of centre, and screw rod 2.7.1 thread set is in the screwed hole of centre of swivel nut gear 2.8, screw rod 2.7.1 successively wear after release guard part 2.3, left bearing 2.6, swivel nut gear 2.8 and right bearing 2.2 with the one end bracing wire 2.7.2 Connection.
As shown in Fig. 2, right gear tank shell 2.1, which is equipped with, stretches out sleeve 2.1.1, stretches out sleeve ends and be equipped with and stretch out multi-diameter shaft 2.1.2 is covered, the stretching sleeve 2.1.1 of right gear tank shell 2.1 is bonded with 1.3 end face of bracing wire guide pipe, stretches out ladder axle sleeve 2.1.2 it extend into bracing wire guide pipe 1.3;It stretches out ladder axle sleeve 2.1.2 and is equipped with twice annular groove, stretch out ladder axle sleeve 2.1.2 it is extended away from and sealing ring 1.9 is installed in one of annular groove of sleeve 2.1.1, sealed circle 1.9 and bracing wire are led It is formed to be tightly connected to 1.3 inner wall of pipe and plays the role of dust seal, open slot 1.3.1, open slot are equipped in bracing wire guide pipe 1.3 Bracing wire circlip 1.7 is installed, bracing wire circlip 1.7 snaps fit on stretching ladder axle sleeve 2.1.2 after passing through open slot 1.3.1 in 1.3.1 In one of annular groove for stretching out sleeve 2.1.1;The bracing wire 2.7.2 other end sequentially passes through stretching for right gear tank shell 2.1 Out after the guide groove 1.2.1 of sleeve 2.1.1, stretching ladder axle sleeve 2.1.2, bracing wire guide pipe 1.3, bottom plate 1.4 and rest pad 1.2 It is connect with the gib head of 1.1 bottom of parking torque arm.
As shown in Figure 1, parking torque arm 1.1 is being located at close to the side of hub bearing 3.1 equipped with prominent position limiting structure 1.1.1, prominent position limiting structure 1.1.1 plays position-limiting action, when the work of power executing device 2 is to the pulling limit, i.e. bracing wire When being 2.7.2 pulled to the limit, as shown in Figure 4 and Figure 5, parking torque arm 1.1 can swing to the rightmost side, so that prominent position limiting structure 1.1.1 touch the outer rim side of hub bearing 3.1 so that parking torque arm 1.1 no longer moves, thus prevent screw rod 2.7.1 from Deviate from swivel nut gear 2.8, i.e., the screw thread of screw rod 2.7.1 is deviate from from the threaded hole of swivel nut gear 2.8.
As shown in figure 3, being provided on rest pad 1.2 for the smooth bracing wire guide groove 1.2.1 passed through of bracing wire 2.7.2, bearing Block 1.2 two sides respectively and neck from braking the tendons of beef, mutton or pork 1.10,1.11 between connection lateral position be provided with groove so that rest pad 1.2 The block stuck up outside the limitation braking tendons of beef, mutton or pork is formed in the outside for being axially distant from bottom plate 1.4.
Rest pad 1.2 is bolted with bottom plate 1.4, and is connected on knuckle 3.2 connection so that stress when braking On knuckle 3.2, the intensity requirement to bottom plate 1.4 is reduced.
The utility model converts pulling force for torque by screw-driven, and increases a release guard part.Release is protected Guard 2.3 includes washer and disk spring, and washer and disk spring are sleeved between the end face screw rod 2.7.1 and left bearing 2.6.? Screw rod 2.7.1 excessively discharge or other abnormal release conditions under, the force value that supplement a part excessively discharges prevents screw thread excessive Lead to locked phenomenon in release because power is excessive
The utility model specific work process is described as follows:
Power executing device 2 is the device that can be assemblied in any drum brake.
The power resources of power executing device 2 are motors 2.11, and motor 2.11 passes through planetary gear mechanism output gear 2.5, pinion frame 2.9,2.10 deceleration torque increase of planetary gear, finally by 2.5 power of output gear;Due to output gear 2.5 It is angular wheel with swivel nut gear 2.8, torque is driven by angular wheel and is commutated.
Then, 2.8 screwed hole of centre of swivel nut gear is connected by the transmission that screw thread and screw rod 2.7.1 form screw pair It connects, and converts pulling force for torque.The parking torque arm of screw rod 2.7.1 connecting stay wire 2.7.2, bracing wire 2.7.2 and drum brake 1.1 cooperations, are pulled by the pulling force of conversion or the release braking tendons of beef, mutton or pork carry out parking.
The utility model also adds a release guard part 2.3, when excessively release is arrived in the work of power executing device 2, Disk spring deforms, and makes the end face screw rod 2.7.1 return by the deformation returning place force of disk spring, reduces screw rod 2.7.1 The self-lock force of connection screw thread between swivel nut gear 2.8 prevents screw thread locked.
The utility model is a kind of integrated assembly of automotive electronic parking drum brake, can be applied in all vehicles, energy Enough complete vehicle parking.Simultaneously in the case where driving a vehicle brake fade, emergency brake operations are carried out, while there are also anti-lock function Energy.

Claims (5)

1. a kind of automotive electronic parking drum brake integrates assembly, including neck is from the braking tendons of beef, mutton or pork (1.10,1.11), bottom plate (1.4), hub bearing (3.1), hub bearing (3.1) are mounted on bottom plate (1.4) central hole, it is characterised in that: including drum-type Brake device (1) and power executing device (2):
The drum brake brake apparatus (1) includes parking torque arm (1.1), rest pad (1.2), bracing wire guide pipe (1.3) It is fixed together with guy wire support (1.5), parking torque arm (1.1) and from the braking tendons of beef, mutton or pork (1.11), rest pad (1.2) is mounted on neck It brakes the bottom of the tendons of beef, mutton or pork (1.10) and between the bottom of the braking tendons of beef, mutton or pork (1.11), is welded in the back bottom of bottom plate (1.4) solid Surely have guy wire support (1.5), bracing wire guide pipe (1.3) are installed in guy wire support (1.5);
The power executing device (2) includes right gear tank shell (2.1), left gear tank shell (2.4), electric machine casing (2.12), after screw rod (2.7.1) and bracing wire (2.7.2), right gear tank shell (2.1) and left gear tank shell (2.4) are connected to each other It is connected to the bottom face of electric machine casing (2.12), electric machine casing (2.12) top connects upper cap assembly (2.13), right gear box shell Body (2.1) is fixedly installed in guy wire support (1.5) through interior six point cylindrical head bolt (1.8);Installation electricity in electric machine casing (2.12) Machine (2.11), motor (2.11) output shaft connect downward and through planetary gear (2.10) and output gear (2.5), output gear (2.5) it being connected with swivel nut gear (2.8) engagement, Bevel Gear Transmission connects between output gear (2.5) and swivel nut gear (2.8), Swivel nut gear (2.8) both ends pass through left bearing (2.6) respectively and right bearing (2.2) is mounted on right gear tank shell (2.1) and a left side In the shell that gear box casing (2.4) is formed;Swivel nut gear (2.8) is equipped with screwed hole of centre, and screw rod (2.7.1) thread set exists In the screwed hole of centre of swivel nut gear (2.8), screw rod (2.7.1) successively wears release guard part (2.3), left bearing (2.6), spiral shell Sleeve gear (2.8) and right bearing (2.2) are connect with the one end bracing wire (2.7.2) afterwards;
Right gear tank shell (2.1), which is equipped with, stretches out sleeve (2.1.1), stretches out sleeve ends and is equipped with and stretches out ladder axle sleeve (2.1.2), The stretching sleeve (2.1.1) of right gear tank shell (2.1) is bonded with bracing wire guide pipe (1.3) end face, stretches out ladder axle sleeve (2.1.2) is extend into bracing wire guide pipe (1.3);It stretches out ladder axle sleeve (2.1.2) and is equipped with twice annular groove, stretch out multi-diameter shaft It extends away from set (2.1.2) and is equipped with sealing ring (1.9) in one of annular groove of sleeve (2.1.1), sealed circle (1.9) It is formed to be tightly connected with bracing wire guide pipe (1.3) inner wall and plays the role of dust seal, open slot is equipped in bracing wire guide pipe (1.3) (1.3.1), open slot (1.3.1) is middle to install bracing wire circlip (1.7), and bracing wire circlip (1.7) passes through open slot (1.3.1) and is clamped afterwards On to stretching ladder axle sleeve (2.1.2) in one of annular groove for stretching out sleeve (2.1.1);Bracing wire (2.7.2) other end It sequentially passes through the stretching sleeve (2.1.1) of right gear tank shell (2.1), stretch out ladder axle sleeve (2.1.2), bracing wire guide pipe (1.3), bottom plate (1.4) and rest pad (1.2) are connect with the gib head of parking torque arm (1.1) bottom afterwards.
2. a kind of automotive electronic parking drum brake according to claim 1 integrates assembly, it is characterised in that: described to stay Vehicle torque arm (1.1) is being located at the side close to hub bearing (3.1) equipped with prominent position limiting structure (1.1.1), the prominent limit Bit architecture (1.1.1) plays position-limiting action, and when bracing wire (2.7.2) is pulled to the limit, parking torque arm (1.1) can swing to protrusion Position limiting structure (1.1.1) touches the outer rim side of hub bearing (3.1), so that parking torque arm (1.1) no longer moves, thus anti- Only screw rod (2.7.1) abjection from swivel nut gear (2.8).
3. a kind of automotive electronic parking drum brake according to claim 1 integrates assembly, it is characterised in that: described It is fixed with plastic stent (1.6) at the top of the back side of bottom plate (1.4), electric machine casing (2.12) is clamped by plastic stent (1.6).
4. a kind of automotive electronic parking drum brake according to claim 1 integrates assembly, it is characterised in that: described It is provided on rest pad (1.2) for the smooth bracing wire guide groove (1.2.1) passed through of bracing wire (2.7.2), rest pad (1.2) is in two sides Respectively and neck from braking the tendons of beef, mutton or pork (1.10,1.11) between connection lateral position be provided with groove so that rest pad (1.2) is along axial direction Outside far from bottom plate (1.4) forms the block stuck up outside the limitation braking tendons of beef, mutton or pork.
5. a kind of automotive electronic parking drum brake according to claim 1 integrates assembly, it is characterised in that: described Release guard part (2.3) includes washer and disk spring, and washer and disk spring are sleeved on the screw rod end face (2.7.1) and left bearing (2.6) between.
CN201821067442.8U 2018-07-06 2018-07-06 A kind of integrated assembly of automotive electronic parking drum brake Withdrawn - After Issue CN208646817U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821067442.8U CN208646817U (en) 2018-07-06 2018-07-06 A kind of integrated assembly of automotive electronic parking drum brake

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821067442.8U CN208646817U (en) 2018-07-06 2018-07-06 A kind of integrated assembly of automotive electronic parking drum brake

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Publication Number Publication Date
CN208646817U true CN208646817U (en) 2019-03-26

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CN201821067442.8U Withdrawn - After Issue CN208646817U (en) 2018-07-06 2018-07-06 A kind of integrated assembly of automotive electronic parking drum brake

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108839645A (en) * 2018-07-06 2018-11-20 浙江亚太机电股份有限公司 Automotive electronic parking drum brake integrates assembly
CN112443594A (en) * 2019-08-30 2021-03-05 比亚迪股份有限公司 Brake-by-wire system and vehicle
CN115339428A (en) * 2022-08-29 2022-11-15 四川野马汽车股份有限公司 Parking braking device for drum brake

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108839645A (en) * 2018-07-06 2018-11-20 浙江亚太机电股份有限公司 Automotive electronic parking drum brake integrates assembly
CN108839645B (en) * 2018-07-06 2024-06-18 浙江亚太机电股份有限公司 Integrated assembly of automobile electronic parking drum brake
CN112443594A (en) * 2019-08-30 2021-03-05 比亚迪股份有限公司 Brake-by-wire system and vehicle
CN112443594B (en) * 2019-08-30 2022-03-18 比亚迪股份有限公司 Brake-by-wire system and vehicle
CN115339428A (en) * 2022-08-29 2022-11-15 四川野马汽车股份有限公司 Parking braking device for drum brake

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