CN205937595U - Assembly is carried out to power reverse drive's car braking power - Google Patents
Assembly is carried out to power reverse drive's car braking power Download PDFInfo
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- CN205937595U CN205937595U CN201620788070.2U CN201620788070U CN205937595U CN 205937595 U CN205937595 U CN 205937595U CN 201620788070 U CN201620788070 U CN 201620788070U CN 205937595 U CN205937595 U CN 205937595U
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Abstract
The utility model discloses an assembly is carried out to power reverse drive's car braking power. Including motor, one -level input worm gear, one -level drive mechanism, shift fork, electromagnetic control mechanism, second grade drive mechanism and output worm wheel, the coaxial fixed connection of motor output shaft and one -level input worm gear, one -level input worm gear connect one -level drive mechanism, and one -level drive mechanism is connected with electromagnetic control mechanism through the shift fork, and one -level drive mechanism is through second grade drive mechanism and export the worm wheel. The utility model discloses a new drive mechanism, has abandoned traditional braking power and carry out the assembly and rely on the positive and negative rotation of motor to adjust the torque output direction, promoted the assembly was carried out to power life -span and reaction rate.
Description
Technical field
This utility model is related to a kind of automobile brake powered actuation mechanism, specifically says a kind of automobile of power commutation transmission
Brake power executes assembly, belongs to electric automobile servo brake field.
Background technology
Developing rapidly with electric automobile, various forms of modes of braking get more and more, and traditional hydraulic machinery is driven a vehicle
Braking and stay-supported machinery parking, develop into electric mechanical parking, then the development to electronics service brake, automobile brake mode is got over
Come more, convenient degree more and more higher, it also avoid the environmental problem leading to brake fluid simultaneously.So electric mechanical parking and
Electric mechanical service brake is a developing direction, and electronic parking also has begun to popularize.In electric mechanical parking to electronics
Mechanical service brake aspect, power resources usually from motor.Step up and unclamp two processes because Motor Vehicle Braking Procedure is divided into, electricity
Machine needs frequent positive and negative rotation, causes motor service life to be greatly reduced, and has directly influenced the safety of brakes and steady
Qualitative.
The powered actuation mechanism of the electric mechanical parking that market today exists mainly has：Synchronous pulley coordinates epicyclic gearbox
Mode and Worm Wheel System formula.The direction of its output torque is determined by motor output torque direction.If leading to motor
It is to work as powered actuation mechanism in service braking operation, the frequent rotating of motor can substantially reduce the braking of its aging effects
Safety, and the speed of response is not enough.So current automobile brake powered actuation mechanism is served only for automobile parking aspect mostly.
Utility model content
In order to solve problem present in background technology, the purpose of this utility model is to propose a kind of power commutation transmission
Automobile brake power execute assembly, may be implemented in motor output torque direction single in the case of realize changing of output torque
To, thus the braking of independent control conventional brake and release.
This utility model uses the worm-and-wheel gear with auto-lock function, independent brake power actuator control
System can expansive approach in terms of vehicle steadily braking control system, the ramp auxiliary even aspect such as intelligent driving.
This utility model includes that the one-level that motor coordinated inputs that gear on worm is engaged with gear on worm with motor
Level drive mechanism, and the commutation plectrum that engages of meshing gear in primary transmission mechanism, the Electromagnetic Control mechanism engaging with plectrum and
The simultaneously at a fully engaged secondary drive mechanism of two bevel gears and at a fully engaged with secondary drive mechanism on primary transmission bearing pin
Output worm gear.
Specifically, the technical solution of the utility model is as follows：
This utility model include motor, one-level input gear on worm, primary transmission mechanism, shift fork, Electromagnetic Control mechanism,
Secondary drive mechanism and output worm gear；Motor output shaft is fixedly and coaxially connected with one-level input gear on worm, and one-level inputs worm screw
Gear connects primary transmission mechanism, and primary transmission mechanism is connected with Electromagnetic Control mechanism through shift fork, and primary transmission mechanism is through two grades
Drive mechanism and output worm gear.
Described motor output shaft is provided with annular knurl, and input gear on worm is enclosed within motor output shaft with interference, and passes through
Annular knurl and input gear on worm interference fit.
Described one-level inputs gear on worm and includes the worm spiral tooth positioned at outside and the axis hole being located at center, input
The axis hole of gear on worm and the annular knurl interference fit of motor.
Described primary transmission mechanism includes axis body, worm-gear toothing, left synchromesh gear, two one-level bevel gears, right synchronizations
Gear and commutation meshing gear, left spline and right spline distinguish coaxial fixed cover on the left and right two ends of axis body, worm-gear toothing wheel case
On left spline, make worm-gear toothing and axis body coaxial rotating, worm-gear toothing is connected engagement with described one-level input gear on worm；Change
Be enclosed within right spline to meshing gear, make commutation meshing gear with axis body synchronous axial system, in the middle part of the meshing gear that commutates through shift fork with
Electromagnetic Control mechanism connects, and controls commutation meshing gear to move axially along axis body by Electromagnetic Control mechanism；Right spline both sides
The left synchromesh gear of circumferential moving rotary and right synchromesh gear are cased with axis body, all pass through outside left synchromesh gear and right synchromesh gear
Key is socketed with one-level bevel gear and interference engages, and the cone flank of tooth of two one-level bevel gears all towards right spline and is symmetrically installed,
Two one-level bevel gears are connected with secondary drive mechanism, and the synchromesh gear that commutation meshing gear rotarily drives wherein side is rotated into
And secondary drive mechanism is delivered to by one-level bevel gear.
Described left synchromesh gear and right synchromesh gear are gap cooperation, around axis body optical axis portion certainly respectively and axis body between
By rotating.
Described commutation meshing gear side wall week Middle face is provided with cannelure, and cannelure is connected with one end of shift fork, commutation
Meshing gear axially has through hole, and through hole hole wall is provided with spline, and spline and the cooperation of right spline gaps are so that commutation engaging tooth
Wheel can be in the smooth movement of right spline segment of axis body；The two ends end face of commutation meshing gear is provided with for same with left synchromesh gear and the right side
The chaste tree gear of step gear engagement.
Described left synchromesh gear and right synchronous gear structure are essentially identical, with right spline place AnchorPoint centrosymmetry peace
Dress, right synchromesh gear axially has in the hole hole, and big end end face is machined with the ratchet for installing with commutation meshing gear cooperation, little
It is machined with key, outer peripheral face passes through key and described one-level bevel gear interference fit on the outer peripheral face at end.
Described one-level bevel gear center has through hole, and the hole wall of through hole is machined with keyway, described left synchromesh gear or
The small end of the right synchromesh gear of person is enclosed within the outer peripheral face of small end, and key is embedded in keyway.
Described Electromagnetic Control mechanism includes dynamic ferrum, coil, guide pin bushing, determines ferrum and back-moving spring, determines ferropexy and be arranged on to lead
In set, determine ferrum end face and be connected with dynamic ferrum through back-moving spring, guide pin bushing outside around there being coil, fixed with housing by coil, a dynamic ferrum part
It is enclosed within guide pin bushing and along guide pin bushing axial movement, the side face that dynamic ferrum stretches out guide pin bushing part is provided with for recessed with the annular of shift fork fit
Groove.
In Electromagnetic Control mechanism no power state, dynamic ferrum is stretched out naturally due to back-moving spring, drives commutation to nibble by shift fork
Close gear engage with the synchronous bevel gear of side, when controlling organization energising work, dynamic ferrum with determine ferrum adhesive, dynamic ferrum moves to right, warp group
Fork drives commutation meshing gear to engage with the synchronous bevel gear on right side.
Described shift fork is respectively arranged at two ends with little shift fork mouth and big shift fork mouth, and shift fork requires by higher hardness and wearability
Template material make, little shift fork mouth and big shift fork mouth are half mounting hole, and big shift fork muzzle is embedded in described commutation meshing gear
Cannelure at；Little shift fork muzzle is embedded in the dynamic iron hoop connected in star of described Electromagnetic Control mechanism.Shift fork requires by higher hard
The template material of degree and wearability is made.
Described secondary drive mechanism includes worm shaft and two grades of bevel gears, and two grades of bevel gears are enclosed within worm shaft and pass through
Key interference fit, worm shaft one end is machined with key, the keyway cooperation of key and two grades of bevel gear centre bores, is provided with use in the middle part of worm shaft
The worm spiral tooth connecting in output worm gear.
The described gear teeth of output worm gear are with the worm spiral tooth good engagement of secondary drive mechanism so that only exporting worm gear
Worm gear center can be exported and is provided with boss to two ends are axially extending, boss is provided with central through hole, central through hole around the smooth rotation in axle center
It is machined with spline.
The beneficial effects of the utility model are：
This utility model has been abandoned traditional braking power execution assembly and has relied on motor positive and inverse to move regulation torque outbound course,
Improve life-span and the reaction rate that power executes assembly, the exploitation for electronic clamp anti-lock braking system from now on provides one kind newly
Structure.
Output worm gear of the present utility model has auto-lock function with the worm gear pair of secondary drive mechanism, cold in motor
The brake force of brake can be retained under operating mode.
One changement of primary transmission mechanism of the present utility model upper set, can in motor constant output torque
When, the torque steer of quick control outfan, greatly improve the service life of motor it is ensured that brake power actuator
Reliability, is that brake power actuator execution as service brake actuating unit and is realized automobile anti-lock braking function and provided
Probability.
This utility model can be used for the service brake actuating unit of new-energy automobile, can achieve that energy returns in braking procedure
Receive.In new-energy automobile braking procedure, when when energy regenerating, generation braking moment disclosure satisfy that brake request, this braking is moved
Power actuator is not involved in work, and intervening braking again when brake force is not enough provides brake force.
Due to each brake power, executor is separate, can be to each driving wheel independent control, can be used as vehicle body
The actuator unit work of stabilisation systemss and other advanced active brake functions.
Brief description
Fig. 1 is the schematic elevation view that overall structure of the present utility model comprises portion of external housing related constraint feature；
Fig. 2 is the schematic top plan view that Fig. 1 of the present utility model comprises portion of external housing related constraint feature；
Fig. 3 is this utility model motor shaft side schematic diagram；
Fig. 4 is this utility model worm tooth wheel shaft side schematic diagram；
Fig. 5 is the structural representation of this utility model primary transmission mechanism；
Fig. 6 is the structural representation of this utility model commutation meshing gear；
Fig. 7 is the structural representation of this utility model one-level bevel gear and synchromesh gear；
Fig. 8 is this utility model shift fork axle side schematic diagram；
Fig. 9 is this utility model Electromagnetic Control mechanism structural representation；
Figure 10 is this utility model secondary drive mechanism assembly and part schematic diagram；
Figure 11 is the axle side schematic diagram that this utility model exports worm gear；
Figure 12 is that this utility model conventional sense lower gear engages situation and the front view of power transmission；
Figure 13 is that this utility model conventional sense lower gear engages situation and the top view of power transmission；
Figure 14 is that utility model works state lower gear engages situation and the front view of power transmission；
Figure 15 is that utility model works state lower gear engages situation and the top view of power transmission.
In figure：Motor 1, annular knurl 11, electrode pin 12, fixing groove 13；One-level input gear on worm 2, axis hole 21, worm screw spiral shell
Rotation tooth 22；Primary transmission mechanism 3, axis body 31, worm-gear toothing 32, left synchromesh gear 33, one-level bevel gear 34, keyway 341, hole wall
342nd, right synchromesh gear 35, key 351, ratchet 352, in the hole hole 353, outer peripheral face 354, commutation meshing gear 36, chaste tree tooth 361, ring
Shape groove 362, spline 363, right spline 37, left spline 38；Shift fork 4, little shift fork mouth 41, big shift fork mouth 42；Electromagnetic Control mechanism
5th, move ferrum 51, coil 52, guide pin bushing 53, determine ferrum 54, back-moving spring 55；Secondary drive mechanism 6, key 621, worm spiral tooth 622；Defeated
Go out that worm gear 7, the gear teeth 71, boss be cylindrical 72, spline 73.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples.
As depicted in figs. 1 and 2, this utility model includes motor 1, one-level input gear on worm 2, primary transmission mechanism 3, dials
Fork 4, Electromagnetic Control mechanism 5, secondary drive mechanism 6 and output worm gear 7；It is coaxial that motor 1 output shaft and one-level input gear on worm 2
It is fixedly connected, one-level input gear on worm 2 connects primary transmission mechanism 3, and primary transmission mechanism 3 is through shift fork 4 and electromagnetic controller
Structure 5 connects, and primary transmission mechanism 3, through secondary drive mechanism 6 and output worm gear 7, exports power by output worm gear 7.
As shown in figure 3, motor 1 output shaft is provided with annular knurl 11, input gear on worm 2 is enclosed within motor 1 output shaft with interference
On, and by annular knurl 11 and input gear on worm 2 interference fit, annular knurl 11 carries out interference with the hole 21 inputting worm-gear toothing 2 and joins
Close, the ability improving worm-gear toothing 2 output torque prevents from skidding.The end face of motor 1 is provided with electrode pin 12, motor 1 end face week
Enclose and be provided with circumferentially fixed for motor 1 to prevent fixing groove 13 that it rotates so that motor 1 is placed in the external shell of whole mechanism
See in vivo and prevent along the radially, axially play of motor output shaft and the movement of other degree of freedom.Motor 1 is as power intake
Constrained by external shell, motor pin 12 draws external shell, rotate after electrical power and can drive input gear on worm 2
Rotate.
As shown in figure 4, one-level inputs gear on worm 2 includes the worm spiral tooth 22 positioned at outside and the axle being located at center
Hole 21, the axis hole 21 of input gear on worm 2 and annular knurl 11 interference fit of motor 1.
As shown in Fig. 5～Fig. 7, primary transmission mechanism 3 includes axis body 31, worm-gear toothing 32, left synchromesh gear 33, two
Level bevel gear 34, right synchromesh gear 35 and commutation meshing gear 36, left spline 38 and the right spline 37 coaxial fixed cover of difference are in axle
On the left and right two ends of body 31, worm-gear toothing 32 is enclosed within left spline 38, and worm-gear toothing 32 is poured with left spline 38 by highstrenghtpiston
Injection forming, left spline 38 acts the effect strengthening peripheral force transmission, makes worm-gear toothing 32 and axis body 31 coaxial rotating, worm-gear toothing 32
The worm spiral tooth 22 inputting gear on worm 2 with described one-level is connected engagement；Commutation meshing gear 36 is enclosed within right spline 37, changes
Can horizontally slip to meshing gear 36 and independently engage with side synchronization bevel gear, make commutation meshing gear 36 with axis body 31
Synchronous axial system.It is connected with Electromagnetic Control mechanism 5 through shift fork 4 in the middle part of commutation meshing gear 36, controlled by Electromagnetic Control mechanism 5 and change
Move axially to meshing gear 36 along axis body 31.The left synchronous gear of circumferential moving rotary is cased with the axis body 31 of right spline 37 both sides
Wheel 33 and right synchromesh gear 35, left synchromesh gear 33 and right synchromesh gear 35 are outer to be all socketed with one-level bevel gear 34 simultaneously mistake by key
Be full of joint so that synchromesh gear and one-level bevel gear 34 rotate coaxially, synchronous bevel gear can only be in axis body through external shell constraint
The upper smooth dash area constraint rotating as accompanying drawing 1.The cone flank of tooth of two one-level bevel gears 34 is all towards right spline 37 and right
Claim to install, axially axial limiting is being carried out to synchronous bevel gear by external shell, to ensure the distance between synchromesh gear.Two
One-level bevel gear 34 is connected with secondary drive mechanism 6, and commutation meshing gear 36 rotarily drives the synchromesh gear rotation of wherein side
And then secondary drive mechanism 6 is delivered to by one-level bevel gear 34.
Left synchromesh gear 33 and right synchromesh gear 35 are gap cooperation, around axis body 31 optical axis certainly respectively and axis body 31 between
By rotating, axial direction is carried out spacing by external shell, but will ensure the rotation smoothness of synchronous bevel gear.So that one-level
Drive mechanism 3 pass through external shell spacing after can only pivoting and smooth.
As shown in fig. 6, commutation meshing gear 36 monnolithic case is an axle sleeve, commutation meshing gear 36 side wall week Middle face
It is provided with cannelure 362, cannelure 362 is connected with one end of shift fork 4, commutation meshing gear 36 axially has through hole, through hole hole wall
It is provided with spline 363, spline 363 and the cooperation of right spline 37 gap so that commutation meshing gear 36 can be in the right flower of axis body 31
37 sections of smooth movements of key；The two ends end face of commutation meshing gear 36 is provided with for being nibbled with left synchromesh gear 33 and right synchromesh gear 35
The chaste tree gear 361 closing, the AnchorPoint centrosymmetry that the chaste tree gear 361 at two ends is located with cannelure 362, this symmetrical chaste tree gear
361 left and right tooth requires can be with corresponding left and right synchromesh gear good engagement.
As shown in fig. 7, left synchromesh gear 33 is identical with right synchromesh gear 35 structure, with right spline 37 place axle center dot center
It is symmetrically installed, here only illustrates to right synchromesh gear 35, right synchromesh gear 35 monnolithic case is a step axle sleeve, right
Synchromesh gear 35 axially has in the hole hole 353, and the internal diameter in the hole hole 353 is slightly larger than the diameter of axis body 31 so that both form
Gap coordinates；Big end end face is machined with the ratchet 352 for installing, the outer peripheral face 354 of small end with commutation meshing gear 36 cooperation
On be machined with key 351, outer peripheral face 354 passes through keyway 341 and hole wall 342 interference fit of key 351 and described one-level bevel gear 34
Form synchronous bevel gear.
As shown in fig. 7, one-level bevel gear 34 center has through hole, the hole wall 342 of through hole is machined with keyway 341, described
The small end of left synchromesh gear 33 or right synchromesh gear 35 is enclosed within the outer peripheral face 354 of small end, and key 351 is embedded in keyway 341
Make left synchromesh gear 33 or corresponding one-level bevel gear 34 coaxial rotating of right synchromesh gear 35；
As shown in figure 9, Electromagnetic Control mechanism 5 includes dynamic ferrum 51, coil 52, guide pin bushing 53, determines ferrum 54 and back-moving spring 55, fixed
Ferrum 54 is fixedly mounted in guide pin bushing 53, determines ferrum 54 end face and is connected with dynamic ferrum 51 through back-moving spring 55, and guide pin bushing 53 is outside around there being coil
52, coil 52 and housing are fixed, and dynamic ferrum 51 part is enclosed within guide pin bushing 53 and moves axially along guide pin bushing 53 it is ensured that dynamic ferrum can be suitable
Smooth slip in guide pin bushing, the side face that dynamic ferrum 51 stretches out guide pin bushing 53 part is provided with for the ring with little shift fork mouth 41 fit of shift fork 4
Connected in star, the outer end stretching out guide pin bushing in dynamic ferrum is at a fully engaged according to synchromesh gear 33 and commutation meshing gear 36 by external shell
Cooperation position carry out axial limiting.
When Electromagnetic Control mechanism 5 is energized, the dynamic ferrum of electronic controller 5 with determine ferrum adhesive, dynamic ferrum moves to right, and drives through shift fork 4
Commutation meshing gear 36 is engaged with the synchronous bevel gear on right side.
As shown in figure 8, shift fork 4 is respectively arranged at two ends with little shift fork mouth 41 and big shift fork mouth 42, shift fork 4 requires by higher hard
The template material of degree and wearability is made, and little shift fork mouth 41 and big shift fork mouth 42 are half mounting hole, and big shift fork mouth 42 is embedded in
At the cannelure 362 of described commutation meshing gear 36, the semicircle radius of big shift fork mouth 42 are than the cannelure of commutation meshing gear 36
362 radius is big, and the thickness of shift fork 4 is slightly less than the width of cannelure 362 so that commutation meshing gear 36 rotate smooth；
Little shift fork mouth 41 is embedded in dynamic ferrum 51 annular groove of described Electromagnetic Control mechanism 5, and the semicircle radius of little shift fork mouth 41 require
Bigger than the dynamic iron hoop shape groove radius of Electromagnetic Control mechanism 5, the thickness of shift fork 4 is slightly less than the width of dynamic ferrum cannelure it is ensured that shift fork
Can little intermittent motion in dynamic ferrum cannelure.
As shown in Figure 10, secondary drive mechanism 6 includes worm shaft 62 and two grades of bevel gears 61, and two grades of bevel gears 61 are enclosed within snail
On bar axle 62 and by key interference fit, two grades of bevel gears 61 are at a fully engaged with one-level bevel gear, and worm shaft 62 one end is machined with
Key 621, the keyway cooperation of key 621 and two grades of bevel gear 61 centre bores, it is provided with the middle part of worm shaft 62 for exporting worm gear 7 cooperation even
The worm spiral tooth 622 connecing, secondary drive mechanism 6 by external shell carry out spacing after can only pivoting.Secondary drive mechanism
Bevel gear be rigidly connected with secondary drive mechanism axis body, secondary drive mechanism axis body has one section of worm spiral tooth, two grades of biographies
Motivation structure by external shell carry out spacing after can only pivoting.
As shown in figure 11, the gear teeth 71 of output worm gear 7 and secondary transmission machine worm spiral tooth 622 and the wheel exporting worm gear 7
Tooth 71 engages, and the axial plane 72 of output worm gear is entered by external shell can only be around output worm gear axis rotation after row constraint.The worm screw of structure 6
Helical tooth 622 good engagement is so that output worm gear 7 can only export worm gear 7 center axially extending to two ends around the smooth rotation in axle center
It is provided with boss, boss cylindrical 72 and external shell carry out spacing, and boss is provided with central through hole, and central through hole is machined with spline
73.This spline 73 can be engaged with the spiral handspike spindle nose spline in the auger mechanism in the brake piston of brake, when
The push rod that brake can be driven during output worm gear wheel rotates thus the braking of control brake or release.
Implementation process of the present utility model is as follows：
Shown in accompanying drawing 2,5,9,12, this utility model is in conventional sense.Braking procedure, motor 1 energising output torque,
Such as accompanying drawing 12 and direction as shown in Figure 13.Torque engages biography via gear on worm 2 with the worm-gear toothing 32 of primary transmission mechanism 3
Dynamic, drive primary transmission mechanism 3 to rotate.The key of right spline 38 and commutation meshing gear 36 is had on primary transmission mechanism 3 axis body 31
Groove connects, and commutation meshing gear 36 can be driven to rotate so axis body 31 rotates.Left and right synchronous cone tooth in primary transmission mechanism 3
Wheel is to rotate pair with the combination of the axis body 31 of primary transmission mechanism 3, so axis body 31 rotates will not drive synchronous bevel gear
Rotate.Electromagnetic Control mechanism 5 off-position, the meshing gear 36 that now commutates is driven and left synchronous bevel gear through shift fork 4 by dynamic ferrum 5
Engagement.Torque will pass to left synchronous bevel gear, left synchronous bevel gear and secondary transmission by axis body 31 by the meshing gear that commutates
Bevel gear 62 engagement of mechanism 6 drives secondary drive mechanism 6 to rotate, and the helical worm tooth of secondary drive mechanism 6 is passed through in torque again
32 pass to the output worm gear 7 being engaged with.Torque finally exports in the brake piston to brake device via spline 73
Auger mechanism in spiral handspike.
Shown in accompanying drawing 2,5,9,13, this utility model is in running order.Release process, motor 1 energising output torque,
Such as accompanying drawing 14 and direction as shown in Figure 15.Torque drive path such as conventional sense.But because Electromagnetic Control mechanism 5 is in energising shape
State, dynamic ferrum with determine ferrum adhesive, now commutation meshing gear 36 drives bevel gear synchronous with left and right to engage by dynamic ferrum 5 through shift fork 4.Turn
Square will pass to right synchronous bevel gear, right synchronous bevel gear and secondary drive mechanism 6 by axis body 31 by the meshing gear that commutates
Bevel gear 62 engagement drives secondary drive mechanism 6 to rotate, so since, just complete the commutation of torque.Torque passes through two grades again
The helical worm tooth 32 of drive mechanism 6 passes to the output worm gear 7 being engaged with.Torque finally exports to braking via spline 73
The spiral handspike in auger mechanism in the brake piston of device brake.
As can be seen here, this utility model has been abandoned traditional braking power execution assembly and has been relied on motor positive and inverse dynamic regulation torque
Outbound course, improves life-span and the reaction rate that power executes assembly, has prominent significant technique effect.
Claims (10)
1. a kind of power commutation transmission automobile brake power execution assembly it is characterised in that：Including motor (1), one-level input
Gear on worm (2), primary transmission mechanism (3), shift fork (4), Electromagnetic Control mechanism (5), secondary drive mechanism (6) and output worm gear
(7)；Motor (1) output shaft is fixedly and coaxially connected with one-level input gear on worm (2), and one-level input gear on worm (2) connects one
Level drive mechanism (3), primary transmission mechanism (3) is connected with Electromagnetic Control mechanism (5) through shift fork (4), primary transmission mechanism (3) warp
Secondary drive mechanism (6) and output worm gear (7).
2. a kind of power commutation transmission according to claim 1 automobile brake power execution assembly it is characterised in that：Institute
Motor (1) output shaft stated is provided with annular knurl (11), and input gear on worm (2) is enclosed within motor (1) output shaft with interference, and leads to
Cross annular knurl (11) and input gear on worm (2) interference fit.
3. a kind of power commutation transmission according to claim 2 automobile brake power execution assembly it is characterised in that：Institute
The one-level stated inputs gear on worm (2) and includes the worm spiral tooth (22) positioned at outside and the axis hole (21) being located at center, defeated
Enter the axis hole (21) of gear on worm (2) and annular knurl (11) interference fit of motor (1).
4. a kind of power commutation transmission according to claim 1 automobile brake power execution assembly it is characterised in that：Institute
The primary transmission mechanism (3) stating includes axis body (31), worm-gear toothing (32), left synchromesh gear (33), two one-level bevel gears
(34), right synchromesh gear (35) and commutation meshing gear (36), left spline (38) and right spline (37) are coaxially processed in axle respectively
On the left and right two ends of body (31), worm-gear toothing (32) is fixed on left spline (38), makes worm-gear toothing (32) and axis body (31) same
Axle rotates, and worm-gear toothing (32) is connected engagement with described one-level input gear on worm (2)；
Commutation meshing gear (36) is enclosed within right spline (37), makes commutation meshing gear (36) with axis body (31) synchronous axial system, changes
It is connected with Electromagnetic Control mechanism (5) through shift fork (4) in the middle part of meshing gear (36), commutation is controlled by Electromagnetic Control mechanism (5)
Meshing gear (36) moves axially along axis body (31)；A left side for circumferential moving rotary is cased with the axis body (31) of right spline (37) both sides
Synchromesh gear (33) and right synchromesh gear (35), left synchromesh gear (33) and right synchromesh gear (35) are all socketed with one by key outward
Level bevel gear (34) interference joint, the cone flank of tooth of two one-level bevel gears (34) is pacified all towards right spline (37) and symmetrically
Dress, two one-level bevel gears (34) are connected with secondary drive mechanism (6), and the meshing gear (36) that commutates rotarily drives wherein side
Synchromesh gear rotates and then is delivered to secondary drive mechanism (6) by one-level bevel gear (34).
5. a kind of power commutation transmission according to claim 4 automobile brake power execution assembly it is characterised in that：Institute
State left synchromesh gear (33) and right synchromesh gear (35) is gap cooperation, respectively around axis body (31) optical axis and axis body (31) between
Partly freely rotatable.
6. a kind of power commutation transmission according to claim 4 automobile brake power execution assembly it is characterised in that：Institute
Commutation meshing gear (36) the side wall week Middle face stated is provided with cannelure (362), and cannelure (362) is connected with one end of shift fork (4)
Connect, commutation meshing gear (36) axially has through hole, and through hole hole wall is provided with spline (363), spline (363) and right spline
(37) gap cooperation is so that commutation meshing gear (36) can be in the smooth movement of right spline (37) section of axis body (31)；Commutation engagement
The two ends end face of gear (36) is provided with for distinguishing mating engagement with ratchet on left synchromesh gear (33) and right synchromesh gear (35)
Ratchet (361)；
Described left synchromesh gear (33) is identical with right synchromesh gear (35) structure, and ratchet is in opposite direction, with right spline (37) institute
Install in AnchorPoint centrosymmetry, right synchromesh gear (35) axially has endoporus (353), big end end face be machined with for commutation
The ratchet (352) that meshing gear (36) cooperation is installed, the outer peripheral face (354) of small end is machined with key (351), outer peripheral face (354)
By key (351) and described one-level bevel gear (34) interference fit；
Described one-level bevel gear (34) center has through hole, and the hole wall (342) of through hole is machined with keyway (341), a described left side
The outer peripheral face of synchromesh gear (33) or right synchromesh gear (35) and hole wall (342) interference fit, simultaneously key (351) be embedded into key
In groove (341).
7. a kind of power commutation transmission according to claim 1 automobile brake power execution assembly it is characterised in that：Institute
The Electromagnetic Control mechanism (5) stating includes dynamic ferrum (51), coil (52), guide pin bushing (53), determines ferrum (54) and back-moving spring (55), determines ferrum
(54) it is fixedly mounted in guide pin bushing (53), determine ferrum (54) end face and be connected with dynamic ferrum (51) through back-moving spring (55), guide pin bushing (53) is outward
Portion is wound with coil (52), and coil (52) is fixed with housing, and dynamic ferrum (51) part is enclosed within guide pin bushing (53) and along guide pin bushing (53) axle
To movement, the side face that dynamic ferrum (51) stretches out guide pin bushing (53) part is provided with for the annular groove with shift fork (4) fit.
8. the automobile brake power execution assembly of a kind of power commutation transmission according to claim 1,4 or 6, its feature
It is：Described shift fork (4) is respectively arranged at two ends with little shift fork mouth (41) and big shift fork mouth (42), and shift fork (4) requires by high intensity
Make with the template material of wearability, little shift fork mouth (41) and big shift fork mouth (42) are half mounting hole, big shift fork mouth (42) set
It is embedded in cannelure (362) place of described commutation meshing gear (36)；Little shift fork mouth (41) is embedded in described Electromagnetic Control mechanism (5)
Dynamic ferrum (51) annular groove in.
9. a kind of power commutation transmission according to claim 1 automobile brake power execution assembly it is characterised in that：Institute
The secondary drive mechanism (6) stated includes worm shaft (62) and two grades of bevel gears (61), and two grades of bevel gears (61) are enclosed within worm shaft
(62) above and by key interference fit, worm shaft (62) one end is machined with key (621), in key (621) and two grades of bevel gears (61)
The keyway cooperation in heart hole, is provided with the middle part of worm shaft (62) for exporting the worm spiral tooth (622) that worm gear (7) is connected.
10. a kind of power commutation transmission according to claim 1 automobile brake power execution assembly it is characterised in that：
The gear teeth (71) of described output worm gear (7) are with worm spiral tooth (622) good engagement of secondary drive mechanism (6) so that defeated
Go out worm gear (7) worm gear (7) center can only to be exported and be provided with boss to two ends are axially extending, during boss is provided with around the smooth rotation in axle center
Heart through hole, central through hole is machined with spline (73).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620788070.2U CN205937595U (en) | 2016-07-22 | 2016-07-22 | Assembly is carried out to power reverse drive's car braking power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620788070.2U CN205937595U (en) | 2016-07-22 | 2016-07-22 | Assembly is carried out to power reverse drive's car braking power |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205937595U true CN205937595U (en) | 2017-02-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620788070.2U Active CN205937595U (en) | 2016-07-22 | 2016-07-22 | Assembly is carried out to power reverse drive's car braking power |
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| Country | Link |
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| CN (1) | CN205937595U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106050995A (en) * | 2016-07-22 | 2016-10-26 | 浙江亚太机电股份有限公司 | Power reversing transmission automobile brake power execution assembly |
-
2016
- 2016-07-22 CN CN201620788070.2U patent/CN205937595U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106050995A (en) * | 2016-07-22 | 2016-10-26 | 浙江亚太机电股份有限公司 | Power reversing transmission automobile brake power execution assembly |
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