CN209687953U - The synchronizer of automobile speed-changing device - Google Patents
The synchronizer of automobile speed-changing device Download PDFInfo
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- CN209687953U CN209687953U CN201920064598.9U CN201920064598U CN209687953U CN 209687953 U CN209687953 U CN 209687953U CN 201920064598 U CN201920064598 U CN 201920064598U CN 209687953 U CN209687953 U CN 209687953U
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- 210000000515 tooth Anatomy 0.000 claims description 459
- 230000000694 effects Effects 0.000 claims description 4
- 229910000906 Bronze Inorganic materials 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010974 bronze Substances 0.000 claims description 3
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000008719 thickening Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 11
- 238000003756 stirring Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 230000001360 synchronised effect Effects 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- CREMABGTGYGIQB-UHFFFAOYSA-N carbon carbon Chemical compound C.C CREMABGTGYGIQB-UHFFFAOYSA-N 0.000 description 1
- 239000011203 carbon fibre reinforced carbon Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000002783 friction material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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Abstract
The utility model relates to a kind of synchronizers of automobile speed-changing device, including tooth hub, clutch collar, ring gear, the both ends of the inner spline gear of the clutch collar are respectively provided with the inverted cone segment and wedge angle increment of engagement, the external cylindrical surface of the clutch collar is machined with annular groove, the excircle of the tooth hub is laid with multiple open slots axially penetrated through, the ring gear is two, axial ends of two ring gear difference clearance fits in tooth hub, short spline tooth is set on the ring gear, the short spline tooth is set as wedge angle towards clutch collar one end, the wedge angle two sides, which are that the transverse tooth thickness of the tooth body at least side of the guiding surface spline guiding tooth is thinned, forms thinned side, the reduction in tooth thickness that side is thinned in spline guiding tooth is δ, the guiding short tooth at every place at least one, the transverse tooth thickness of the tooth body at least side of the guiding short tooth increases to form thickened sides, make the guiding of the thickened sides Inclined-plane increases, and the transverse tooth thickness increasing amount of guiding short tooth thickened sides is δ.
Description
Technical field
The utility model relates to a kind of speed changers, and in particular to a kind of synchronizer of automobile speed-changing device.
Background technique
The synchronization structure of automobile synchronizer is a kind of mechanical device for making automobile realize smooth shifting.And in order to guarantee vehicle
It would generally be designed to back taper, between back taper and orthodont in operational process without trip stop, tooth set and the junction spline tooth of gear ring
By 20 °~40 ° of chamfered transition.
In the existing synchronizer used, if the Design of length of tooth cover back taper is partially short, referring to Figure 10, in gearshift procedure,
When being contacted due to tooth set locking surface 311 and gear ring guide surface 111, ring gear is in the back taper of tooth set and the intermediate incline of orthodont
It at 321, is completely combined tooth set with gear ring, ring gear and gear ring need to be stirred simultaneously, need to overcome generation at intermediate incline 321
Axial thrust load, therefore will lead to and more serious gear shift clamping stagnation problem occur, user is dissatisfied.
To solve the above problems, currently used method is the length of lengthening tooth cover back taper to reduce gear shift clamping stagnation, referring to
Figure 11, but this shortens with the effective position length and active length that will lead to tooth set, and tooth covers easy play when power transmits, in MT
Cause gear shifting handle to be shaken in speed changer, even results in the abrasion of tooth cover back taper and cause out of supply.
Summary of the invention
The purpose of this utility model is in view of the deficiencies of the prior art, to provide a kind of synchronizer of automobile speed-changing device, it
It is able to solve gear shift clamping stagnation problem and tooth set play problem that conventional tooth set stirs ring gear.
Purpose of the utility model is realized as follows: a kind of synchronizer of automobile speed-changing device, including tooth hub, engagement
Set, ring gear, the clutch collar are cooperated and can be slid axially by the external splines of internal spline and tooth hub, the internal spline of the clutch collar
The both ends of tooth are respectively provided with the inverted cone segment and wedge angle increment of engagement, and the external cylindrical surface of the clutch collar is machined with annular groove, institute
The excircle for stating tooth hub is laid with multiple open slots axially penetrated through, and sliding block, each cunning are sliding combined in each open slot
The middle part protrusion of block elastic force effect be against in the arc groove being equipped in clutch collar internal splined hole, the ring gear be two, two
A ring gear distinguishes clearance fit and short spline tooth is arranged in the axial ends of tooth hub, the ring gear, and the short spline tooth direction connects
Trap one end is set as wedge angle, and the wedge angle two sides are guiding surface, divides equally 360 ° in the inner spline gear of the clutch collar and is equipped with extremely
For engaging the spline guiding tooth of guiding at few three, the spline guiding tooth at every place is at least one, the tooth body of the spline guiding tooth
At least the transverse tooth thickness of side is thinned and forms thinned side, the thinned lateral edge clutch collar it is axially extending, make subtracting for spline guiding tooth
Thin side does not have inverted cone segment, and the reduction in tooth thickness that side is thinned in the spline guiding tooth is δ, divides equally in the short spline tooth on the ring gear
360 ° are equipped with guiding short tooth corresponding with spline guiding tooth at least three, the guiding short tooth at every place at least one, the guiding short tooth
The transverse tooth thickness of tooth body at least side increase to form thickened sides, increase the guiding surface of the thickened sides, the guiding short tooth adds
The transverse tooth thickness increasing amount of thick side is δ.
The spline guiding tooth at every place is one, and the transverse tooth thickness of the tooth body two sides of the spline guiding tooth, which is thinned, forms thinned side, institute
Stating spline guiding tooth and the reduction in tooth thickness of side is thinned is δ, and two adjacent guiding short teeth are arranged in every place on the ring gear, and two guiding are short
The transverse tooth thickness of the opposite side of tooth body of tooth increases to form thickened sides, increases the guiding surface of the thickened sides, the guiding short tooth
The transverse tooth thickness increasing amount of thickened sides is δ.
The spline guiding tooth setting at every place is two neighboring, and the transverse tooth thickness of the tooth body opposite sides of two spline guiding tooths, which is thinned to be formed, to be subtracted
Thin side, the reduction in tooth thickness that side is thinned in the spline guiding tooth is δ, and every one guiding short tooth of place's setting on the ring gear is described to lead
It increases to form thickened sides to the transverse tooth thickness of short tooth two sides, increases the guiding surface of the thickened sides, the thickened sides of the guiding short tooth
Transverse tooth thickness increasing amount be δ.
The spline guiding tooth at every place is arranged two, is one inner spline gear of setting between two spline guiding tooths, and two splines are led
To the tooth body opposite sides of tooth be respectively provided with transverse tooth thickness be thinned formed be thinned side, the thinned lateral edge clutch collar it is axially extending, make to spend
The thinned side of key guiding tooth does not have inverted cone segment, and the reduction in tooth thickness that side is thinned in the spline guiding tooth is δ, the guiding short tooth at every place
It is arranged two neighboring, the transverse tooth thickness of the tooth body opposite side of two guiding short teeth increase and form thickened sides, keep the guiding of the thickened sides oblique
Face increases, and the transverse tooth thickness increasing amount of the guiding short tooth thickened sides is δ.
The spline guiding tooth at every place is arranged two, is one inner spline gear of setting between two spline guiding tooths, and two splines are led
To the tooth body opposite side of tooth be respectively provided with transverse tooth thickness be thinned formed be thinned side, the thinned lateral edge clutch collar it is axially extending, make to spend
The thinned side of key guiding tooth does not have inverted cone segment, and the reduction in tooth thickness that side is thinned in the spline guiding tooth is δ, the guiding short tooth at every place
It is arranged two, is two inner spline gears of setting between two guiding short teeth, the transverse tooth thickness of the tooth body opposite sides of two guiding short teeth increases
Thickened sides are formed, the guiding surface of the thickened sides is increased, the transverse tooth thickness increasing amount of the guiding short tooth thickened sides is δ.
Three adjacent spline guiding tooths are arranged in the everywhere of the inner spline gear of the clutch collar, wherein being located in the middle flower
The two sides setting transverse tooth thickness of key guiding tooth, which is thinned to be formed, is thinned side, the spline guiding tooth opposite one of intermediate spline guiding tooth two sides
Side be arranged be thinned side, the thinned lateral edge clutch collar it is axially extending, so that the thinned side of spline guiding tooth is not had inverted cone segment, it is described
The reduction in tooth thickness that side is thinned in spline guiding tooth is δ, and it is setting between two guiding short teeth that the guiding short tooth at every place, which is arranged four,
Two inner spline gears, the transverse tooth thickness of the tooth body opposite sides of outermost two guiding short tooth, which increases, forms thickened sides, and two guiding of centre is short
The transverse tooth thickness of the tooth body opposite sides of tooth, which increases, forms thickened sides, increases the guiding surface of the thickened sides, and the guiding short tooth adds
The transverse tooth thickness increasing amount of thick side is δ.
The spline guiding tooth at every place is arranged two, is one inner spline gear of setting between two spline guiding tooths, and two splines are led
To the tooth body opposite sides of tooth be respectively provided with transverse tooth thickness be thinned formed be thinned side, the thinned lateral edge clutch collar it is axially extending, make to spend
The thinned side of key guiding tooth does not have inverted cone segment, and the reduction in tooth thickness that side is thinned in the spline guiding tooth is δ, the guiding short tooth at every place
It is arranged four, is two inner spline gears of setting between two guiding short teeth, the tooth of the tooth body opposite sides of outermost two guiding short tooth
Thick increase forms thickened sides, and the transverse tooth thickness that centre two is oriented to the tooth body opposite side of short tooth, which increases, forms thickened sides, makes the thickening
The guiding surface of side increases, and the transverse tooth thickness increasing amount of the guiding short tooth thickened sides is δ.
The ring gear is made of bronze or stamping steel plate.
Each ring gear passes through the boss being equipped with and the open slot of tooth hub setting cooperatively forms circumferential limit.
The wedge angle angle of the wedge angle is 84 °~120 °；Inner spline gear, the ring gear of the spline tooth of the tooth hub, clutch collar
Spline tooth be involute spline tooth.
Using the above scheme, 360 ° are divided equally in the inner spline gear of the clutch collar to be equipped at least three for engaging guiding
The spline guiding tooth of spline guiding tooth, every place is at least one, and the transverse tooth thickness of the tooth body at least side of the spline guiding tooth is thinned
Formed be thinned side, the thinned lateral edge clutch collar it is axially extending, so that the thinned side of spline guiding tooth is not had inverted cone segment, the flower
The reduction in tooth thickness that side is thinned in key guiding tooth is δ, and 360 ° are divided equally in the short spline tooth on the ring gear and is equipped at least three and flower
The corresponding guiding short tooth of key guiding tooth, the guiding short tooth at every place at least one, the tooth of the tooth body at least side of the guiding short tooth
Thickness increases and forms thickened sides, increases the guiding surface of the thickened sides, and the transverse tooth thickness increasing amount of the guiding short tooth thickened sides is δ.
The effect of positioning centering can be played for engaging the spline guiding tooth of guiding by being arranged at least three, in the synchronous engagement of synchronizer
In the process, the both ends of the inner spline gear of the clutch collar are respectively provided with the inverted cone segment and wedge angle increment and the ring gear of engagement
The upper short spline tooth of setting is set as wedge angle reciprocal correspondence, stirs clutch collar, the wedge angle of the wedge angle increment and short spline of clutch collar
Guiding surface, which mutually interacts, cooperates the component of the power acted on guiding surface afterwards in a circumferential direction that ring gear is promoted to rotate, flower
Short flower is set on the inner spline gear and the ring gear of time, clutch collar that key guiding tooth is completed with the contact of guiding short tooth and engagement
The time that the contact and engagement of key teeth are completed, the two are synchronous.I.e. when the guiding being slidably matched between inner spline gear and short spline tooth
What guiding surface while slide between spline guiding tooth and guiding short tooth was completed on inclined-plane slides completion.Spline guiding tooth at this time
Thinned side and be oriented to short tooth thickened sides be slidably matched, since thinned lateral edge clutch collar is axially extending, lead spline
There is no inverted cone segment to the thinned side of tooth, spline guiding tooth eliminates intermediate incline, and side is thinned in ring gear application torque again axial direction
No component exists, and eliminates more serious gear shift clamping stagnation problem, described to connect after clutch collar, which continues to stir, reaches designated position
The inverted cone segment that the both ends of the inner spline gear of trap are respectively provided with the external splines being arranged on the inverted cone segment and gear ring of engagement is realized
Locking, spline guiding tooth do not cooperate with the external splines being arranged on gear ring, do not influence to lock, guarantee in vehicle operation without jump
Shelves.The present invention provide it is a kind of can smooth gear shift, smooth transfer power synchronizer, woth no need to adjust the length of tooth cover back taper, both
Guarantee vehicle operation in without trip stop, moreover it is possible to avoid conventional tooth set stir ring gear gear shift clamping stagnation problem and tooth set play ask
Topic.
The spline guiding tooth at every place is one, and the transverse tooth thickness of the tooth body two sides of the spline guiding tooth, which is thinned, forms thinned side, institute
Stating spline guiding tooth and the reduction in tooth thickness of side is thinned is δ, and two adjacent guiding short teeth are arranged in every place on the ring gear, and two guiding are short
The transverse tooth thickness of the opposite side of tooth body of tooth increases to form thickened sides, increases the guiding surface of the thickened sides, the guiding short tooth
The transverse tooth thickness increasing amount of thickened sides is δ, using the above structure, the transverse tooth thickness of the tooth body two sides of the spline guiding tooth be thinned formed it is thinned
Side, and two adjacent guiding short teeth are arranged for cooperating respectively with spline guiding tooth in upper every place, can be protected using this structure
Card is in the both direction of circumference, i.e., in the state that the revolving speed of gear ring is covered more than tooth or the revolving speed of gear ring is covered lower than tooth, spline
Guiding tooth and guiding short tooth are capable of forming fit structure, can be avoided gear shift clamping stagnation problem and tooth set that conventional tooth set stirs ring gear
Play problem.
Each ring gear passes through the boss being equipped with and the open slot of tooth hub setting cooperatively forms circumferential limit.
The utility model is described in further detail in the following with reference to the drawings and specific embodiments.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of synchronizer；
Fig. 2 is the first of ring gear and clutch collar fit structure schematic diagram in Fig. 1；
Fig. 3 is the fit structure schematic diagram of clutch collar and gear ring in Fig. 2；
Fig. 4 is the locking structure schematic diagram of clutch collar and gear ring in Fig. 2；
Fig. 5 is another fit structure schematic diagram of ring gear and clutch collar in Fig. 1；
Fig. 6 is another of ring gear and clutch collar fit structure schematic diagram in Fig. 1；
Fig. 7 is another of ring gear and clutch collar fit structure schematic diagram in Fig. 1；
Fig. 8 is another of ring gear and clutch collar fit structure schematic diagram in Fig. 1；
Fig. 9 is another of ring gear and clutch collar fit structure schematic diagram in Fig. 1；
Figure 10 is the fit structure schematic diagram of existing ring gear and clutch collar；
Figure 11 is the fit structure schematic diagram of ring gear and clutch collar under existing inverted cone segment lengthening state.
In attached drawing, 1 is gear ring, and 2 be ring gear, and 3 be clutch collar, and 5 be tooth hub, and 4a is middle part protrusion, and 5a is open slot, and 33 are
Side is thinned, 21 be thickened sides, and 8 be annular groove, and 4 be sliding block, and c is spline guiding tooth, and 3a is arc groove, and 2b is short spline tooth, and b is
Inverted cone segment, a are guiding surface, and d is guiding short tooth.
Specific embodiment
Referring to attached drawing, the specific embodiment of the utility model will be described in.
Referring to Fig. 1 to Fig. 4, a kind of embodiment of the synchronizer of automobile speed-changing device, the synchronizer of automobile speed-changing device, packet
Include tooth hub 5, clutch collar 3, ring gear 2,5 two sides of tooth hub are respectively set engagement, on the inner hole and external cylindrical surface of the tooth hub 5
It is designed with spline tooth, 5 inner spline gear of tooth hub and axis connection and axially position, the end of the gear ring towards ring gear 2 is equipped with
Male cone (strobilus masculinus).The clutch collar 3 is cooperated and can be slid axially by the external splines of internal spline and tooth hub 5, the interior flower of the clutch collar 3
The both ends of key teeth are respectively provided with the inverted cone segment b and wedge angle increment of engagement, and the external cylindrical surface of the clutch collar 3 is machined with annular groove
8, the excircle of the tooth hub 5 is laid in multiple open slot 5a, each open slot 5a axially penetrated through and is sliding combined with
The middle part protrusion 4a of sliding block 4, each sliding block 4 is against in the arc groove 3a being equipped in 3 internal splined hole of clutch collar in elastic force effect, institute
Stating ring gear 2 is two, and the ring gear 2 is made of bronze, and the helicla flute of closely-pitched is produced on the inner conical surface of the ring gear 2 so as to two cones
Oil film is destroyed after face contact, increases the friction between the conical surface；The ring gear can also be made of stamping steel plate, the inner cone of the ring gear 2
Put up carbon-carbon friction material layer in face.The male cone (strobilus masculinus) of the gear ring and the inner conical surface of ring gear 2 form conical surface friction pair.Two ring gears 2 divide
Axial ends of the other clearance fit in tooth hub 5, the open slot 5a that each ring gear 2 can be arranged by the boss 2a and tooth hub 5 being equipped with
Circumferential limit is cooperatively formed, short spline tooth 2b is set on the ring gear 2, the short spline tooth 2b is set as towards 3 one end of clutch collar
Wedge angle, the wedge angle angle of the wedge angle are 84 °~120 °；The spline tooth of the tooth hub 5, the inner spline gear of clutch collar 3, ring gear 2
Spline tooth be involute spline tooth.The wedge angle two sides are guiding surface a, are divided equally in the inner spline gear of the clutch collar 3
360 ° are equipped with for engaging the spline guiding tooth c of guiding at least three, and the spline guiding tooth c at every place is at least one, the spline
The transverse tooth thickness of the tooth body at least side of guiding tooth c, which is thinned, forms thinned side 33, and the thinned side 33 is prolonged along clutch collar 3 is axial
It stretches, making the thinned side 33 of spline guiding tooth c not have inverted cone segment b, the spline guiding tooth c that the reduction in tooth thickness of side 33 is thinned is δ,
Divide equally 360 ° in short spline tooth 2b on the ring gear 2 and be equipped with guiding short tooth d corresponding with spline guiding tooth c at least three, often
The guiding short tooth d at place at least one, the transverse tooth thickness of the tooth body at least side of guiding short tooth d increases to form thickened sides 21, makes this
The guiding surface a of thickened sides 21 increases, and the transverse tooth thickness increasing amount of the guiding short tooth d thickened sides 21 is δ.It is described in the present embodiment
The spline guiding tooth c at interior every place of clutch collar 3 is one, the transverse tooth thickness of the tooth body two sides of spline guiding tooth c be thinned formed it is thinned
Side 33, the reduction in tooth thickness that side 33 is thinned in the spline guiding tooth c is δ, and it is short that two adjacent guiding are arranged in every place on the ring gear 2
Tooth d, the transverse tooth thickness of the opposite side of tooth body of two guiding short tooth d increase to form thickened sides 21, increase the guiding surface a of the thickened sides 21
Greatly, the transverse tooth thickness increasing amount of the thickened sides 21 of the guiding short tooth d is δ, using the above structure, the tooth body two of spline guiding tooth c
The transverse tooth thickness of side, which is thinned, forms thinned side 33, and upper every place be arranged two adjacent guiding short tooth d be used for respectively with spline guiding tooth c
Cooperation, can be guaranteed in the both direction of circumference using this structure, i.e., in turn that the revolving speed of gear ring is more than tooth set or gear ring
In the state that speed is lower than tooth set, spline guiding tooth c and guiding short tooth d are capable of forming fit structure, can be avoided conventional tooth set and dial
The gear shift clamping stagnation problem and tooth of movable tooth ring 2 cover play problem.
The present invention is not limited solely to above-described embodiment, referring to Fig. 5, the spline guiding tooth c at interior every place of the clutch collar 3
It is arranged two neighboring, the transverse tooth thickness of the tooth body opposite sides of two spline guiding tooth c is thinned and forms thinned side 33, the spline guiding tooth c
The reduction in tooth thickness that side 33 is thinned is δ, every one guiding short tooth d of place's setting on the ring gear 2, the tooth of the guiding two sides short tooth d
Thickness increases and forms thickened sides 21, increases the guiding surface a of the thickened sides 21, the transverse tooth thickness of the thickened sides 21 of the guiding short tooth d
Increasing amount is δ.
The present invention is not limited solely to above-described embodiment, referring to Fig. 6, the spline guiding tooth c at interior every place of the clutch collar 3
It is arranged two, is one inner spline gear of setting between two spline guiding tooth c, the tooth body opposite sides of two spline guiding tooth c is respectively provided with
Transverse tooth thickness, which is thinned to be formed, is thinned side 33, and the thinned side 33 is axially extending along clutch collar 3, makes the thinned side of spline guiding tooth c
33 do not have inverted cone segment b, the spline guiding tooth c that the reduction in tooth thickness of side 33 is thinned as δ, and the guiding short tooth d setting at every place is adjacent
Two, the transverse tooth thickness of the tooth body opposite side of two guiding short tooth d, which increases, forms thickened sides 21, makes the guiding surface a of the thickened sides 21
Increase, the transverse tooth thickness increasing amount of the guiding short tooth d thickened sides 21 is δ.
The present invention is not limited solely to above-described embodiment, referring to Fig. 7, the spline guiding tooth c at interior every place of the clutch collar 3
It is arranged two, is one inner spline gear of setting between two spline guiding tooth c, the tooth body opposite side of two spline guiding tooth c is respectively provided with
Transverse tooth thickness, which is thinned to be formed, is thinned side 33, and the thinned side 33 is axially extending along clutch collar 3, makes the thinned side of spline guiding tooth c
33 do not have inverted cone segment b, the spline guiding tooth c that the reduction in tooth thickness of side 33 is thinned as δ, and the guiding short tooth d at every place is arranged two,
It is two inner spline gears of setting between two guiding short tooth d, the transverse tooth thickness of the tooth body opposite sides of two guiding short tooth d increases formation and thickeies
Side 21 increases the guiding surface a of the thickened sides 21, and the transverse tooth thickness increasing amount of the guiding short tooth d thickened sides 21 is δ.
The present invention is not limited solely to above-described embodiment, and referring to Fig. 8, the everywhere of the inner spline gear of the clutch collar 3 is set
Three adjacent spline guiding tooth c are set, wherein the two sides setting transverse tooth thickness for being located in the middle spline guiding tooth c is thinned to be formed and be thinned
Side 33, the spline guiding tooth c opposite side of the intermediate two sides spline guiding tooth c, which is arranged, is thinned side 33, the thinned side 33 along
Clutch collar 3 is axially extending, and the thinned side 33 of spline guiding tooth c is made not have inverted cone segment b, the spline guiding tooth c that side 33 is thinned
Reduction in tooth thickness is δ, and the guiding short tooth d at every place is arranged four, is two inner spline gears of setting between two guiding short tooth d, outermost
The transverse tooth thickness of the tooth body opposite sides of two guiding short tooth d of side, which increases, forms thickened sides 21, and the tooth body that centre two is oriented to short tooth d is opposite
The transverse tooth thickness of side increases and forms thickened sides 21, increases the guiding surface a of the thickened sides 21, the guiding short tooth d thickened sides 21
Transverse tooth thickness increasing amount be δ.
The present invention is not limited solely to above-described embodiment, referring to Fig. 9, the spline guiding tooth c at interior every place of the clutch collar 3
It is arranged two, is one inner spline gear of setting between two spline guiding tooth c, the tooth body opposite sides of two spline guiding tooth c is respectively provided with
Transverse tooth thickness, which is thinned to be formed, is thinned side 33, and the thinned side 33 is axially extending along clutch collar 3, makes the thinned side of spline guiding tooth c
33 do not have inverted cone segment b, the spline guiding tooth c that the reduction in tooth thickness of side 33 is thinned as δ, and the guiding short tooth d at every place is arranged four,
It is two inner spline gears of setting between two guiding short tooth d, the transverse tooth thickness of the tooth body opposite sides of outermost two guiding short tooth d increases
Thickened sides 21 are formed, the transverse tooth thickness that centre two is oriented to the tooth body opposite side of short tooth d, which increases, forms thickened sides 21, makes the thickened sides 21
Guiding surface a increase, it is described guiding short tooth d thickened sides 21 transverse tooth thickness increasing amount be δ.
When carrying out power transmitting using the above scheme, in the synchronization engaging process of synchronizer, clutch collar 3 is stirred first,
Clutch collar 3 is mobile to gear ring direction, and the male cone (strobilus masculinus) of the gear ring promotes synchronous ring with the inner conical surface of ring gear 2 composition conical surface friction pair
Locking is realized in rotation, and ring gear is respectively 0.2-0.35 tooth pitch, clutch collar with respect to the forward and reverse circumferential direction angular displacement of tooth hub at this time
It continues to move to, the guiding surface a of the wedge angle of the wedge angle increment and short spline of clutch collar 3 is mutually interacted to cooperate to act on afterwards and be led
The component of power in a circumferential direction on inclined-plane a promotes ring gear 2 to rotate, since the tooth of side 33 is thinned in the spline guiding tooth c
It is δ equal that thick Reducing thickness, which is δ with the transverse tooth thickness increasing amount of the guiding short tooth d thickened sides 21,；Spline guiding tooth c and guiding short tooth d
Contact and engagement complete time, clutch collar 3 inner spline gear and the ring gear 2 on the contact of short spline tooth 2b be set and nibble
The time completed is closed, the two synchronously completes.I.e. when the guiding surface a being slidably matched between inner spline gear and short spline tooth 2b is completed
The spline guiding tooth c's and guiding surface a being oriented between short tooth d slides completion while sliding.Spline guiding tooth c subtracts at this time
Thin side 33 and the thickened sides 21 of guiding short tooth d are slidably matched, and since the thinned side 33 is axially extending along clutch collar 3, make to spend
The thinned side 33 of key guiding tooth c does not have inverted cone segment b, spline guiding tooth c to eliminate intermediate incline, and side 33 is thinned and turns to ring gear application
Square exists without component in the axial direction, more serious gear shift clamping stagnation problem is eliminated, when clutch collar 3 continues to stir arrival specific bit
It postpones, the both ends of the inner spline gear of the clutch collar 3 are respectively provided with the external splines being arranged on the inverted cone segment b and gear ring of engagement
Inverted cone segment b realize locking, guarantee vehicle operation in without trip stop.The present invention provide it is a kind of can smooth gear shift, smooth transfer
The synchronizer of power had both guaranteed in vehicle operation without trip stop, moreover it is possible to avoid tradition woth no need to adjust the length of tooth cover back taper
Tooth set stirs the gear shift clamping stagnation problem and tooth set play problem of ring gear 2.
Claims (10)
1. a kind of synchronizer of automobile speed-changing device, including tooth hub (5), clutch collar (3), ring gear (2), the clutch collar (3) is logical
It crosses the external splines cooperation of internal spline and tooth hub (5) and can slide axially, the both ends of the inner spline gear of the clutch collar (3) are set respectively
There are the inverted cone segment (b) and wedge angle increment for engagement, the external cylindrical surface of the clutch collar (3) is machined with annular groove (8), the tooth hub
(5) excircle is laid with multiple open slots (5a) axially penetrated through, is sliding combined with sliding block in each open slot (5a)
(4), the middle part raised (4a) of each sliding block (4) is against the arc groove being equipped in clutch collar (3) internal splined hole in elastic force effect
In (3a), the ring gear (2) is two, axial ends of two ring gears (2) difference clearance fits in tooth hub (5), the ring gear
(2) it is arranged on short spline tooth (2b), the short spline tooth (2b) is set as wedge angle, the wedge angle two sides towards clutch collar (3) one end
For guiding surface (a), it is characterised in that: divide equally 360 ° in the inner spline gear of the clutch collar (3) and be equipped at least three for connecing
The spline guiding tooth (c) of guiding is closed, the spline guiding tooth (c) at every place is at least one, and the tooth body of the spline guiding tooth (c) is at least
There is the transverse tooth thickness of side to be thinned to be formed thinned side (33), the thinned side (33) is axially extending along clutch collar (3), is oriented to spline
The thinned side (33) of tooth (c) does not have inverted cone segment (b), and the reduction in tooth thickness that side (33) is thinned in the spline guiding tooth (c) is δ, institute
State in the short spline tooth (2b) on ring gear (2) divide equally 360 ° be equipped at least three at guiding short tooth corresponding with spline guiding tooth (c)
(d), the guiding short tooth (d) at every place at least one, the transverse tooth thickness of the tooth body at least side of the guiding short tooth (d) increases to form thickening
Side (21) increases the guiding surface (a) of the thickened sides (21), the transverse tooth thickness increasing amount of guiding short tooth (d) thickened sides (21)
For δ.
2. the synchronizer of automobile speed-changing device according to claim 1, it is characterised in that: the spline guiding tooth (c) at every place
It is one, the transverse tooth thickness of the tooth body two sides of the spline guiding tooth (c), which is thinned, forms thinned side (33), and the spline guiding tooth (c) subtracts
The reduction in tooth thickness of thin side (33) is δ, and two adjacent guiding short teeth (d), two guiding short teeth are arranged in every place on the ring gear (2)
(d) transverse tooth thickness of the opposite side of tooth body increases to form thickened sides (21), increases the guiding surface (a) of the thickened sides (21), institute
The transverse tooth thickness increasing amount for stating the thickened sides (21) of guiding short tooth (d) is δ.
3. the synchronizer of automobile speed-changing device according to claim 1, it is characterised in that: the spline guiding tooth (c) at every place
It is arranged two neighboring, the transverse tooth thickness of the tooth body opposite sides of two spline guiding tooths (c) is thinned and is formed thinned side (33), the spline guiding
The reduction in tooth thickness that side (33) is thinned in tooth (c) is δ, and every place's setting one is oriented to short tooth (d) on the ring gear (2), and the guiding is short
The transverse tooth thickness of tooth (d) two sides increases to form thickened sides (21), increases the guiding surface (a) of the thickened sides (21), and the guiding is short
The transverse tooth thickness increasing amount of the thickened sides (21) of tooth (d) is δ.
4. the synchronizer of automobile speed-changing device according to claim 1, it is characterised in that: the spline guiding tooth (c) at every place
It is arranged two, is one inner spline gear of setting between two spline guiding tooths (c), the tooth body opposite sides of two spline guiding tooths (c) is equal
Transverse tooth thickness thinned formed is set, side (33) are thinned, the thinned side (33) is axially extending along clutch collar (3), makes spline guiding tooth
(c) thinned side (33) does not have inverted cone segment (b), and the reduction in tooth thickness that side (33) is thinned in the spline guiding tooth (c) is δ, every place
Guiding short tooth (d) setting it is two neighboring, the transverse tooth thickness of the tooth body opposite side of two guiding short tooth (d) increase and form thickened sides
(21), increase the guiding surface (a) of the thickened sides (21), the transverse tooth thickness increasing amount of guiding short tooth (d) thickened sides (21) is
δ。
5. the synchronizer of automobile speed-changing device according to claim 1, it is characterised in that: the spline guiding tooth (c) at every place
It is arranged two, is one inner spline gear of setting between two spline guiding tooths (c), the tooth body opposite side of two spline guiding tooths (c) is equal
Transverse tooth thickness thinned formed is set, side (33) are thinned, the thinned side (33) is axially extending along clutch collar (3), makes spline guiding tooth
(c) thinned side (33) does not have inverted cone segment (b), and the reduction in tooth thickness that side (33) is thinned in the spline guiding tooth (c) is δ, every place
Guiding short tooth (d) be arranged two, be oriented to the tooth body of short tooth (d) for two inner spline gears of setting, two between two guiding short teeth (d)
The transverse tooth thickness of opposite sides, which increases, forms thickened sides (21), increases the guiding surface (a) of the thickened sides (21), the guiding short tooth
(d) the transverse tooth thickness increasing amount of thickened sides (21) is δ.
6. the synchronizer of automobile speed-changing device according to claim 1, it is characterised in that: the interior flower of the clutch collar (3)
Three adjacent spline guiding tooths (c) are arranged in the everywhere of key teeth, wherein being located in the middle the two sides setting of spline guiding tooth (c)
Transverse tooth thickness, which is thinned to be formed, is thinned side (33), and spline guiding tooth (c) the opposite side setting of intermediate spline guiding tooth (c) two sides subtracts
Thin side (33), the thinned side (33) is axially extending along clutch collar (3), does not have the thinned side (33) of spline guiding tooth (c)
Inverted cone segment (b), the reduction in tooth thickness that side (33) is thinned in the spline guiding tooth (c) is δ, guiding short tooth (d) setting four at every place
It is a, it is two inner spline gears of setting between two guiding short teeth (d), the tooth of the tooth body opposite sides of outermost two guiding short tooth (d)
Thick increase is formed thickened sides (21), and the transverse tooth thickness of the tooth body opposite sides of two guiding short tooth (d) of centre, which increases, forms thickened sides
(21), increase the guiding surface (a) of the thickened sides (21), the transverse tooth thickness increasing amount of guiding short tooth (d) thickened sides (21) is
δ。
7. the synchronizer of automobile speed-changing device according to claim 1, it is characterised in that: the spline guiding tooth (c) at every place
It is arranged two, is one inner spline gear of setting between two spline guiding tooths (c), the tooth body opposite sides of two spline guiding tooths (c) is equal
Transverse tooth thickness thinned formed is set, side (33) are thinned, the thinned side (33) is axially extending along clutch collar (3), makes spline guiding tooth
(c) thinned side (33) does not have inverted cone segment (b), and the reduction in tooth thickness that side (33) is thinned in the spline guiding tooth (c) is δ, every place
Guiding short tooth (d) be arranged four, be oriented to short tooth for two inner spline gears of setting, outermost two between two guiding short teeth (d)
(d) transverse tooth thickness of tooth body opposite sides, which increases, to be formed thickened sides (21), the transverse tooth thickness of the tooth body opposite side of two guiding short tooth (d) of centre
It increases and forms thickened sides (21), increase the guiding surface (a) of the thickened sides (21), guiding short tooth (d) thickened sides
(21) transverse tooth thickness increasing amount is δ.
8. the synchronizer of automobile speed-changing device according to claim 1, it is characterised in that: the ring gear (2) by bronze or
Stamping steel plate is made.
9. the synchronizer of automobile speed-changing device according to claim 1, it is characterised in that: each ring gear (2) is by being equipped with
Boss (2a) and tooth hub (5) setting open slot (5a) cooperatively form circumferential limit.
10. the synchronizer of automobile speed-changing device according to claim 1, it is characterised in that: the wedge angle angle of the wedge angle
It is 84 °~120 °；The spline tooth of the tooth hub (5), the inner spline gear of clutch collar (3), ring gear (2) spline tooth be involute
Spline tooth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920064598.9U CN209687953U (en) | 2019-01-15 | 2019-01-15 | The synchronizer of automobile speed-changing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920064598.9U CN209687953U (en) | 2019-01-15 | 2019-01-15 | The synchronizer of automobile speed-changing device |
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| Publication Number | Publication Date |
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| CN209687953U true CN209687953U (en) | 2019-11-26 |
Family
ID=68598861
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920064598.9U Withdrawn - After Issue CN209687953U (en) | 2019-01-15 | 2019-01-15 | The synchronizer of automobile speed-changing device |
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| CN (1) | CN209687953U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109519485A (en) * | 2019-01-15 | 2019-03-26 | 重庆青山工业有限责任公司 | The synchronizer of automobile speed-changing device |
-
2019
- 2019-01-15 CN CN201920064598.9U patent/CN209687953U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109519485A (en) * | 2019-01-15 | 2019-03-26 | 重庆青山工业有限责任公司 | The synchronizer of automobile speed-changing device |
| CN109519485B (en) * | 2019-01-15 | 2024-04-05 | 重庆青山工业有限责任公司 | Synchronizer of automobile speed change device |
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