CN103133554B - The synchronizer of speed changer - Google Patents
The synchronizer of speed changer Download PDFInfo
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- CN103133554B CN103133554B CN201210380583.6A CN201210380583A CN103133554B CN 103133554 B CN103133554 B CN 103133554B CN 201210380583 A CN201210380583 A CN 201210380583A CN 103133554 B CN103133554 B CN 103133554B
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Abstract
The invention provides a kind of synchronizer of speed changer.Leading tooth is located at the spline tooth of synchronous connection sleeve and by a part of dental inlay space of teeth in the dental inlay tooth of lock ring in the synchronizer of structure removed, utilize the fairly simple structure of the processing of parts can limit the action of the synchronisation spring of movement vertically.Be provided with toothless portion) (36) in the periphery of lock ring (30), it is the part removed on the ground, a part of dental inlay space of teeth in the multiple dental inlay teeth (33) circumferentially equally spaced arranged.Be formed with the seat portion (39) of the overshooting shape more outstanding to external diameter side than the inner circumference edge (40a) of synchronisation spring (40) at this toothless portion) (36), a portion (39) can be utilized thus to hinder shelves and pushed and the synchronisation spring (40) of movement vertically by the spline tooth of synchronous connection sleeve (10) (11).Therefore, it is possible to the synchronisation spring (40) limiting the position corresponding with toothless portion) (36) is crossed the arrangement position of dental inlay tooth (33) and flies out to speed change gear (20) side.
Description
Technical field
The present invention relates to the middle synchronizers (synchromesh gear) used such as the manual transmission of automobile.
Background technique
The manual transmission (manual transmission) being equipped on automobile etc. is configured to, and makes the engagement of the gear of each shelves change according to the operation of shift level, thus switches gear.Thus, convert according to driving conditions and the driving force of the driving sources such as output engine, drive wheel.In such manual transmission, such as Patent Document 1, be provided with for rapidly and easily perform the synchronizer (synchromesh gear) of gear shifting operation.
In above-mentioned synchronizer, synchronous connection sleeve pushing lock ring (synchronizer ring), thus produce Simultaneous Load at its rubbing surface, the speed change gear creating differential rotation before making it is synchronous with synchronous connection sleeve.Then, the lock ring terminating to work is pushed aside by synchronous connection sleeve.Next, the spline tooth (dental inlay spline) of speed change gear side is pushed aside by synchronous connection sleeve, because the lock ring after synchronous connection sleeve pushes through does not produce Simultaneous Load, therefore, the spline tooth of synchronous connection sleeve can there is small differential rotation until with dental inlay spline contact (so-called step-out (same period collapses れ)).When there is this step-out, spline tooth and the dental inlay spline of synchronous connection sleeve interfere, thus produce undesirable vibration.This phenomenon is generally known as into second gear (two sections enter リ) or second gear action (two Duan モ ー シ ヨ Application), becomes the reason that shift feel is deteriorated.
Therefore, as the countermeasure that the such secondary of reduction enters, in the technology described in patent documentation 1, the spline tooth that the different long and short two tooth of tooth (leading tooth) length such with the synchronous gear (retrogressing tooth) with synchronous effect forms synchronous connection sleeve is pushed aside by dental inlay, abut and the retrogressing tooth pushed aside relative to the dental inlay tooth of lock ring, make the leading tooth clamp-oning dental inlay spline leading, reduce the generation that the secondary caused by step-out enters thus.Further, in the structure shown here, when retreating tooth and abutting with the dental inlay tooth of lock ring, in order to avoid other dental inlay tooth of leading tooth and lock ring interferes, the dental inlay tooth hypodontia of the part corresponding with leading tooth of lock ring is made.That is, the dental inlay tooth being located at lock ring lock ring outer circumferential face with circumferentially with at equal intervals by several dental inlay space of teeth the state removed arrange, namely arrange discontinuously.
On the other hand, in the synchronizer of the such spring shown in patent documentation 2, possess the synchronisation spring of ring-type, the synchronisation spring of this ring-type is arranged between the dental inlay tooth of the outer circumferential side of lock ring and the end of synchronous hub.This synchronisation spring is moved by the pushing of the end of the spline tooth of synchronous connection sleeve vertically when synchronization motion, has the effect of lock ring to speed change gear thruster pressure thus.Thus, the rubbing surface friction apply between lock ring and speed change gear is made.Now, stopped by the end face of the adjacent dental inlay tooth of lock ring by the synchronisation spring that the spline tooth of synchronous connection sleeve pushes vertically.
; have in the synchronizer of leading tooth as described above, because (making its hypodontia) is removed in a part of compartment of terrain of the dental inlay tooth by lock ring, therefore; in the part that this dental inlay tooth is removed by compartment of terrain, cannot stop that synchronisation spring is to limit the movement of its axis.Therefore, there is following situation: pushed by synchronous connection sleeve and the part corresponding with toothless portion) of the synchronisation spring of movement is crossed the arrangement position of dental inlay tooth and gone out by speed change gear thruster.Thus, synchronisation spring such as may to deform at the unfavorable condition.If just in case there is such situation, then when the synchronization motion of synchronizer, may the different sounds such as so-called gear noiose be there is, or occur synchronously bad.
Patent documentation 1: Japanese Patent No. 4121821 publications
Patent documentation 2: Japanese Unexamined Patent Publication 2011-No. 64308 publications
Summary of the invention
The present invention completes in view of the above problems, its object is to the synchronizer that a kind of speed changer is provided, make lock ring dental inlay tooth a part of hypodontia structure synchronizer in, the processing of parts is simple, the action of the synchronisation spring pushed by synchronous connection sleeve can be limited, the unfavorable condition such as prevent that synchronisation spring from deforming with cheap structure.
For solving the synchronizer (1) that the present invention of above-mentioned problem is speed changer, the synchronizer (1) of described speed changer possesses: speed change gear (20), and it is supported on running shaft (2) in the mode that can relatively rotate, synchronous hub (5), itself and running shaft (2) combine, synchronous connection sleeve (10), it is can the mode of movement vertically be combined with the periphery spline of synchronous hub (5), spline tooth (11), it is formed at the inner circumferential of synchronous connection sleeve (10), lock ring (30), it is configured between synchronous hub (5) and speed change gear (20), and can carry out friction apply with speed change gear (20) side, dental inlay spline (26), it is formed at the periphery of speed change gear (20), and can engage with the spline tooth of synchronous connection sleeve (11) (11), dental inlay tooth (33), it is formed at the periphery of lock ring (30), and can engage with the spline tooth of synchronous connection sleeve (11) (11), and the synchronisation spring of ring-type (40), its outer circumferential side at lock ring (30) and dental inlay tooth (33) are adjacent to arrange, described synchronisation spring (40) is by can being moved vertically by the spline tooth of synchronous connection sleeve (10) (11) pushing, the feature of the synchronizer (1) of described speed changer is, the periphery of lock ring (30) is provided with toothless portion) (36), described toothless portion) (36) is the part removed on the ground, a part of dental inlay space of teeth of the multiple dental inlay teeth (33) circumferentially equally spaced arranged, the seat portion (39) of the overshooting shape being arranged at each position that should arrange equally spaced described dental inlay tooth (33) is formed at toothless portion) (36), the inner circumferential footpath of described synchronisation spring (40) is formed as the size larger than the footpath, periphery of described lock ring (30), described seat portion (39) is more outstanding to external diameter side than the inner circumference edge (40a) of synchronisation spring (40).
In the synchronizer of speed changer of the present invention, as described above, arrange the seat portion of overshooting shape at toothless portion), this toothless portion) is removed the dental inlay space of teeth of the periphery of lock ring.According to this structure, a portion can be utilized to stop the synchronisation spring of movement by the pushing of the spline tooth of synchronous connection sleeve.Therefore, leading tooth is arranged at synchronous connection sleeve spline tooth structure synchronizer in, removed by the dental inlay space of teeth by lock ring, can while the action smoothly guaranteeing synchronous connection sleeve, the arrangement position that dental inlay tooth crossed by limits synchronization spring flies out to speed change gear side.Therefore, it is possible to the unfavorable condition such as prevent that synchronisation spring from deforming, thus can avoid breaking down in synchronization motion.
In addition, in above-mentioned synchronizer, seat portion (39) can be the nubbins after a part for each dental inlay tooth (33) that should equally spaced arrange in toothless portion) (36) is removed.According to this structure, the part removing of the dental inlay tooth of in the multiple dental inlay teeth equally spaced formed the periphery in advance along lock ring by utilizing excision etc., corresponding with toothless portion) parts, can be formed seat portion with this nubbin.Therefore, it is possible to simple operation cheap produce lock ring of the present invention.In addition, when a part for dental inlay tooth is removed, by means of only the adjustment regulating its removal amount just can carry out the outstanding size in a portion, so can be configured to make synchronisation spring not outstanding to speed change gear side with simple operation.
In addition, can be in this case, dental inlay tooth (33) has: tooth root portion (34), its outstanding outer circumferential face being formed at lock ring (30); With tooth tip portion (35), it is integrally formed in the upper end portion (end of outside diameter) in this tooth root portion (34), the end face (34a) by synchronisation spring (40) side in tooth root portion (34) is for plane, the end face by synchronisation spring (40) side of tooth tip portion (35) is cusp-shaped, and the seat portion (39) of toothless portion) (36) is the shape identical with the tooth root portion (34) of dental inlay tooth (33).
According to this structure, by being made up of the dental inlay tooth of lock ring above-mentioned tooth root portion and tooth tip portion, and make the seat portion being located at toothless portion) be formed as the shape identical with the tooth root portion of dental inlay tooth, thus, removed by the tooth tip portion of each dental inlay tooth by the part corresponding with toothless portion), thus seat portion of the present invention can be formed with its nubbin and tooth root portion.Therefore, it is possible to form seat portion with simpler manufacturing procedure.In addition, because the end face by synchronisation spring side in the shape seat portion identical with tooth root portion is plane, therefore, it is possible to for movement vertically synchronisation spring abutting thus reliably carry out resistance shelves.In addition, the unfavorable conditions such as the synchronisation spring carrying out abutting deforms are not worried yet.
Further, for the label in above-mentioned bracket, the label of the structural element of mode of execution described later is illustrated as an example of the present invention.
According to the synchronizer of speed changer of the present invention, by a part of dental inlay space of teeth in the dental inlay tooth of lock ring in the synchronizer of structure removed, the processing of parts is simple, effectively can limit with cheap structure and be pushed and the action of the synchronisation spring of movement vertically by synchronous connection sleeve, and the unfavorable condition such as can prevent that synchronisation spring from deforming.
Accompanying drawing explanation
Fig. 1 is the sectional view of the synchronizer of the speed changer that an embodiment of the invention are shown.
Fig. 2 is the sectional view observed along the X-X arrow of Fig. 1.
Fig. 3 is the figure that lock ring is shown, (a) is the side view from end on observation, and (b) is the enlarged partial isometric view of the Y part of (a).
Fig. 4 is for illustration of the figure of synchronisation spring relative to the configuration of lock ring, and (a) is the enlarged partial sectional view of the part that lock ring and synchronisation spring are shown, (b) is the figure that the section that the Z-Z arrow along (a) is observed is shown.
(a) ~ (c) of Fig. 5 is the figure of the synchronization motion for illustration of synchronizer.
Label declaration
1: synchronizer; 2: running shaft; 3: needle bearing; 5: synchronous hub; 6: spline tooth; 10: synchronous connection sleeve; 11: spline tooth; 11a: protuberance; 12: leading tooth (tooth is pushed in engagement aside); 14: retreat tooth (synchronous gear); 14a: chamfer surface; 20: speed change gear; 25: clutch gear; 26: dental inlay spline; 27: boss part; 28: conical surface; 30: lock ring; 33: dental inlay tooth; 34: tooth root portion; 34a: end face; 35: tooth tip portion; 35a: chamfer surface; 36: toothless portion); 38: conical surface; 39: seat portion; 39a: end face; 40: synchronisation spring; 40a: inner circumference edge.
Embodiment
Below, with reference to accompanying drawing, embodiments of the present invention are described in detail.Fig. 1 is the sectional view of the synchronizer 1 of the speed changer that an embodiment of the invention are shown, Fig. 2 is the sectional view observed along the X-X arrow of Fig. 1.In addition, Fig. 3 is the figure that lock ring 30 described later is shown, (a) is the side view from end on observation, and (b) is the enlarged partial isometric view of the Y part of (a).Synchronizer 1 shown in Fig. 1 is a part for the synchronizer of the gear that can set the fast shelves of N and N+1 speed shelves, such as, be preferred synchronizer that can set the many grades of gears such as advance 6 speed and retrogressing 1 speed, that be equipped on for motor vehicle manual transmission.Further, the synchronizer 1 shown in Fig. 1 symmetrically possesses the lazy-tongs of the N speed of same structure in fact and the lazy-tongs of N+1 speed, but herein, only illustrates the lazy-tongs (lazy-tongs of N speed) on right side.
The synchronizer 1 of present embodiment possesses: synchronous hub 5, and its spline is embedded in running shaft 2; Synchronous connection sleeve 10, its spline freely that slides axially is incorporated into the periphery of synchronous hub 5; And speed change gear 20, it is arranged on the sidepiece relative to synchronous hub 5 and synchronous connection sleeve 10 axially.Speed change gear 20 via needle bearing 3 can rotatable mode be supported on running shaft 2.At speed change gear 20 by synchronous hub 5 side, spline is chimeric clutch gear 25, and this clutch gear 25 is formed on the outer periphery dental inlay spline 26.By the slip of not shown reverse shift fork, synchronous connection sleeve 10 moves left and right vertically from the neutral position shown in Fig. 1.Further, N speed gear is established by the movement of N speed position to the right.
Be formed with spline tooth 6 at the outer circumferential face of synchronous hub 5, be formed with the spline tooth 11 engaged with the spline tooth 6 of synchronous hub 5 at the inner peripheral surface of synchronous connection sleeve 10.As shown in Figure 2, the spline tooth 11 of synchronous connection sleeve 10 pushes tooth (hereinafter referred to as " leading tooth ") 12 aside by multiple engagement and multiple synchronous gear (hereinafter referred to as " retrogressing tooth ") 14 is formed.It is more outstanding to speed change gear 20 side than retreating tooth 14 that leading tooth 12 is arranged to its terminal part (end by speed change gear 20 side).In addition, at the terminal part that leading tooth 12 is respective with retreating tooth 14, chamfer surface 12a, 14a of this terminal part chamfer machining being become cusp-shaped is formed with.These leading teeth 12 and retrogressing tooth 14 are equally spaced formed along the circumferencial direction of synchronous connection sleeve 10 respectively.In addition, leading tooth 12 and retrogressing tooth 14 are arranged to respectively using multiple as one group.Further, the leading tooth 12 that possesses of synchronous connection sleeve 10 and retreat the respective number of tooth 14 and arrangement mode can be arbitrary number and arrangement.
As shown in Figure 1, be formed with conical surface 28 in the periphery of the boss part 27 extended to synchronous hub 5 side of clutch gear 25, this conical surface 28 is formed by relative to the plane of inclination axially in coniform inclination.Be fitted together at the outside diameter of conical surface 28 and have lock ring (synchronizer ring) 30.Lock ring 30 is for having the parts of the circular annular form of predetermined width, and within it side face is formed with conical surface 38, and this conical surface 38 is made up of the cone shape plane of inclination of conical surface 28 sliding contact with boss part 27.In addition, as shown in Figure 3, lock ring 30 possesses engagement portion 31, the kick that this engagement portion 31 is formed by the equally spaced multiple position (being 3 positions in the drawings) on the outer circumferential face of lock ring 30 is formed, and makes this engagement portion 31 relative to the receiving portion be made up of the recess being located at synchronous hub 5 (not shown) to engage under the state circumferentially with fine clearance.Thus, lock ring 30 rotates so that the amount of the half tooth distance of dental inlay tooth 33 described later is relative with synchronous connection sleeve 10 relative to synchronous hub 5.
Be formed to the outstanding multiple dental inlay teeth 33 of radial outside at the outer circumferential face of lock ring 30.(by speed change gear 20 side) end for the axis of multiple dental inlay tooth 33 on the outer circumferential face of lock ring 30 circumferentially equally spaced arranges.
Further, be provided with toothless portion) 36 at the lock ring 30 of present embodiment, this toothless portion) 36 is by the part removed of ground, a part of dental inlay space of teeth in the multiple dental inlay teeth 33 circumferentially equally spaced arranged.In the structure example shown in (a) of Fig. 3, in 39 dental inlay teeth 33 of outer circumferential face that should be arranged in lock ring 30, the toothless portion) 36 at equally spaced 3 positions respectively compartment of terrain eliminates 8 dental inlay teeth 33.Therefore, lock ring 30 only has and to be arranged with 5 in 3 positions of circumference respectively and to amount to 15 dental inlay teeth 33.Further, the position (should arrange each position of equally spaced dental inlay tooth 33) corresponding with each dental inlay tooth 33 in toothless portion) 36, is formed with the seat portion 39 of overshooting shape.
As shown in (b) of Fig. 3, dental inlay tooth 33 has: tooth root portion 34, and the projection of the roughly quadrangular shape that it is formed by the outer circumferential face at lock ring 30 is formed; With tooth tip portion 35, it is integrally formed in the upper end portion (end of outside diameter) in this tooth root portion 34.Tooth root portion 34 is made up of the kick of substantially rectangular shape, and its end face 34a by synchronous connection sleeve 10 side (that is, synchronisation spring 40 side described later) is formed as plane.In addition, tooth tip portion 35 is tapered towards upper end side (radial outside), and it becomes chamfer surface 35a by end face (side) of synchronous connection sleeve 10 side, this chamfer surface 35a chamfering and be formed as cusp-shaped.On the other hand, the seat portion 39 being located at toothless portion) 36 is the shape identical with the tooth root portion 34 of dental inlay tooth 33.Therefore, seat portion 39 is made up of the kick of substantially rectangular shape, and its end face 39a by synchronous connection sleeve 10 side becomes plane.This portion 39 is equivalent to the nubbin after the tooth tip portion 35 of the part as dental inlay tooth 33 is excised.
In addition, as shown in Figure 1, the synchronisation spring 40 of ring-type is provided with in the periphery of lock ring 30.Synchronisation spring 40 is the parts wireform of elastic metallic being become circular annular form, and in the periphery of lock ring 30, synchronisation spring 40 is adjacent to arrange with synchronous hub 5 and synchronous connection sleeve 10 side relative to dental inlay tooth 33 in the axial direction.When synchronous connection sleeve 10 is positioned at neutral position, this synchronisation spring 40 is positioned at the position surrounded by the terminal part (end by speed change gear 20 side) of the axial end of the dental inlay tooth 33 of lock ring 30, synchronous hub 5, the spline tooth 11 of synchronous connection sleeve 10.And then when synchronous connection sleeve 10 is to speed change gear 20 Slideslip, this synchronisation spring 40 is pushed by the protuberance 11a that the lower end of the terminal part at spline tooth 11 is arranged, to be extruded towards dental inlay tooth 33 side to center axis (the oblique downside, the right side of figure) thus.
Fig. 4 is for illustration of the figure of synchronisation spring 40 relative to the configuration relation of lock ring 30, a () is the enlarged partial sectional view of the part from end on observation lock ring 30 and synchronisation spring 40, b () is the figure that the section that the Z-Z arrow along (a) is observed is shown, be the outer circumferential side of lock ring 30 and the sectional view of synchronisation spring 40.Further, in (a) of Fig. 4, synchronisation spring 40 is represented by dotted lines.In addition, in (b) of Fig. 4, describe the part corresponding with the tooth tip portion 35 of dental inlay tooth 33 of toothless portion) 36 with imaginary line.As shown in the drawing, the inner circumferential footpath of synchronisation spring 40 is formed as the size larger than the footpath, periphery of lock ring 30.Further, upper-end surface (end face of the outside diameter) 39b being formed at the seat portion 39 of lock ring 30 is more outstanding to external diameter side than the inner circumference edge 40a of synchronisation spring 40.Thus, synchronisation spring 40 the end face by speed change gear 20 side, the whole circumference that comprises the position corresponding with toothless portion) 36 is opposed with the end face 33a of dental inlay tooth 33 and the end face 39a in seat portion 39.Therefore, synchronisation spring 40 is configured to, and its entirety can not be crossed the arrangement position of dental inlay tooth 33 and fly out to speed change gear 20 side (right side of (b) of Fig. 4).
Next, the synchronization motion of the synchronizer 1 of said structure is described.Fig. 5 is the figure for illustration of synchronization motion, is the figure observing corresponding part with the X-X arrow along Fig. 1 is shown.When making synchronous connection sleeve 10 move (slips) to speed change gear 20 side by the gear-change operation of shift lever (not shown), the protuberance 11a (with reference to Fig. 1) of the spline tooth 11 of synchronous connection sleeve 10 is by the speed change gear 20 thruster pressure of synchronisation spring 40 to radially inner side and axis.Thus, via synchronisation spring 40 by lock ring 30 to clutch gear 25 thruster pressure.
Now, pushed by the spline tooth 11 of synchronous connection sleeve 10 and the synchronisation spring 40 of movement abuts with the end face 34a of dental inlay tooth 33 (tooth root portion 34) and the end face 39a in seat portion 39 and stopped.Therefore, as described, the arrangement position that the whole circumference of synchronisation spring 40 can not cross dental inlay tooth 33 flies out to speed change gear 20 side.Further, now, the spline tooth 11 (leading tooth 12 and retrogressing tooth 14) of synchronous connection sleeve 10 is positioned at the position shown in (a) of Fig. 5.
When synchronous connection sleeve 10 moves further to speed change gear 20 side, as shown in (b) of Fig. 5, the chamfer surface 14a of the retrogressing tooth 14 of synchronous connection sleeve 10 contacts with the chamfer surface 35a of the dental inlay tooth 33 of lock ring 30, starts by retreating pushing aside of tooth 14 pairs of dental inlay teeth 33.Meanwhile, the conical surface 38 of the lock ring 30 shown in Fig. 1 abuts with the conical surface 28 of clutch gear 25, produces friction torque between which, thus makes clutch gear 25 start synchronous rotary.
When synchronous connection sleeve 10 is mobile further, retreat the chamfer surface 14a of tooth 14 while with the chamfer surface 35a sliding contact of dental inlay tooth 33, while push dental inlay tooth 33 aside and advance, and then as shown in the dotted line in (b) of Fig. 5, the contact retreating the chamfer surface 14a of the tooth 14 and chamfer surface 35a of dental inlay tooth 33 is removed, and completes pushing aside lock ring 30.Thus, the friction torque between the conical surface 38 of lock ring 30 and the conical surface 28 of clutch gear 25 disappears, and lock ring 30 terminates with the synchronization motion of clutch gear 25.
If make synchronous connection sleeve 10 move further after making synchronous connection sleeve 10 synchronous with clutch gear 25 as described above, then the leading tooth 12 of synchronous connection sleeve 10 first contacts with the dental inlay spline 26 of clutch gear 25 than retreating tooth 14.If make synchronous connection sleeve 10 movement further, then as shown in (c) of Fig. 5, leading tooth 12 and to retreat tooth 14 together engaging-in and be sticked in dental inlay spline 26.Thus, the combination of synchronous connection sleeve 10 and speed change gear 20 is completed.
As described above, in the synchronizer 1 of the speed changer of present embodiment, toothless portion) 36 is provided with in the periphery of lock ring 30, this toothless portion) 36 is by the part removed of ground, a part of dental inlay space of teeth in the multiple dental inlay teeth 33 circumferentially equally spaced arranged, and is formed with the seat portion 39 of the overshooting shape more outstanding to external diameter side than the inner circumference edge 40a of synchronisation spring 40 at this toothless portion) 36.According to this structure, a portion 39 can be utilized to stop and to be pushed and the synchronisation spring 40 of movement vertically by the spline tooth 11 of synchronous connection sleeve 10.Therefore, leading tooth 12 and retrogressing tooth 14 are being arranged in the synchronizer 1 of the structure of the spline tooth 11 of synchronous connection sleeve 10, the dental inlay tooth 33 of lock ring 30 is removed by compartment of terrain, can, while the action smoothly guaranteeing synchronous connection sleeve 10, prevent the synchronisation spring 40 of the position corresponding with toothless portion) 36 from crossing the arrangement position of dental inlay tooth 33 and flying out to speed change gear 20 side.Therefore, it is possible to prevent the unfavorable conditions such as synchronisation spring 40 deforms, thus can avoid breaking down in synchronization motion.
In addition, in above-mentioned synchronizer 1, seat portion 39 is the nubbin after a part for each dental inlay tooth 33 removed by compartment of terrain being removed in toothless portion) 36.According to this structure, by by the multiple dental inlay teeth 33 equally spaced formed along the periphery of lock ring 30 in advance, the part of the dental inlay tooth 33 of corresponding with toothless portion) 36 part excises, thereby, it is possible to formed seat portion 39 with this nubbin.Therefore, it is possible to simple operation cheap produce the lock ring 30 with a portion 39 of the present invention.In addition, when a part for dental inlay tooth 33 is removed, by means of only the adjustment regulating its removal amount just can carry out the outstanding size in a portion 39, can be configured to make synchronisation spring 40 not outstanding to speed change gear 20 side with simple operation.
In addition, in the synchronizer 1 of present embodiment, be made up of the dental inlay tooth 33 of lock ring 30 above-mentioned tooth root portion 34 and tooth tip portion 35, make the seat portion 39 being located at toothless portion) 36 be the shape identical with the tooth root portion 34 of dental inlay tooth 33.Therefore, the periphery in advance along lock ring 30 equally spaced forms multiple dental inlay tooth 33, then, the tooth tip portion 35 of each dental inlay tooth 33 of the part corresponding with toothless portion) 36 is removed, and can form a portion 39 thus by the tooth root portion 34 as its nubbin.Therefore, it is possible to form seat portion 39 with simpler manufacturing procedure.In addition, because the end face 39a by synchronisation spring 40 side in the shape seat portion 39 identical with the tooth root portion 34 of dental inlay tooth 33 becomes plane, therefore, it is possible to abut for the synchronisation spring 40 of movement vertically thus reliably stop.In addition, because this end face 39a becomes plane, therefore, even if synchronisation spring 40 abuts, the unfavorable condition such as also can not deform.
Above, be illustrated embodiments of the present invention, the present invention is not limited to above-mentioned mode of execution, carries out various distortion in the scope of the technological thought that can describe in claims and specification and accompanying drawing.Such as, the structure of synchronizer of the present invention is also not only the synchronizer of the list cone type shown in above-mentioned mode of execution, also can be applied to the synchronizer of many cone types.
In addition, in the above-described embodiment, as the structure example in the seat portion arranged at toothless portion), show equally spaced arrangement and form the situation in the seat portion 39 be made up of rectangular-shaped projection, but the seat portion being located at toothless portion) of the present invention is except shown in above-mentioned mode of execution, such as can also be configured to: although eliminate detailed diagram, but by linking adjacent each seat portion 39 and the tooth root portion 34 of each dental inlay tooth 33 in the circumferential, make a portion 39 and tooth root portion 34 become continuous print fillet in the whole circumference of lock ring 30.
Claims (3)
1. a synchronizer for speed changer,
The synchronizer of described speed changer possesses:
Speed change gear, it is supported on running shaft in the mode that can relatively rotate;
Synchronous hub, it is combined with described running shaft;
Synchronous connection sleeve, it is can the mode of movement vertically be combined with the periphery spline of described synchronous hub;
Spline tooth, it is formed at the inner circumferential of described synchronous connection sleeve;
Lock ring, it is configured between described synchronous hub and described speed change gear, and can carry out friction apply with described speed change gear side;
Dental inlay spline, it is formed at described speed change gear side, and can engage with the spline tooth of described synchronous connection sleeve;
Dental inlay tooth, it is formed at the periphery of described lock ring, and can engage with the spline tooth of described synchronous connection sleeve; And
The synchronisation spring of ring-type, its outer circumferential side at described lock ring and described dental inlay tooth are adjacent to arrange, and described synchronisation spring can be moved vertically by the described spline tooth pushing by described synchronous connection sleeve,
The periphery of described lock ring is provided with toothless portion), described toothless portion) is by the part removed of ground, a part of dental inlay space of teeth in the multiple described dental inlay tooth circumferentially equally spaced arranged, the seat portion of the overshooting shape being arranged at each position that should arrange equally spaced described dental inlay tooth is formed at described toothless portion)
The feature of the synchronizer of described speed changer is,
The inner circumferential footpath of described synchronisation spring is formed as the size larger than the footpath, periphery of described lock ring, and described seat portion is more outstanding to external diameter side than the inner circumference edge of described synchronisation spring.
2. the synchronizer of speed changer according to claim 1, is characterized in that,
Described seat portion is the nubbin after a part for each dental inlay tooth that should equally spaced arrange in described toothless portion) is removed.
3. the synchronizer of speed changer according to claim 1 and 2, is characterized in that,
Described dental inlay tooth has:
Tooth root portion, its outstanding outer circumferential face being formed at described lock ring; With
Tooth tip portion, it is integrally formed in the upper end portion in this tooth root portion,
The end face by described synchronisation spring side in described tooth root portion is plane, and the end face by described synchronisation spring side of described tooth tip portion is cusp-shaped, and the described seat portion of described toothless portion) is the shape identical with the described tooth root portion of described dental inlay tooth.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011-261811 | 2011-11-30 | ||
| JP2011261811A JP5506766B2 (en) | 2011-11-30 | 2011-11-30 | Gearbox synchronizer |
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| Publication Number | Publication Date |
|---|---|
| CN103133554A CN103133554A (en) | 2013-06-05 |
| CN103133554B true CN103133554B (en) | 2016-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210380583.6A Active CN103133554B (en) | 2011-11-30 | 2012-10-09 | The synchronizer of speed changer |
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| JP (1) | JP5506766B2 (en) |
| CN (1) | CN103133554B (en) |
Cited By (1)
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| CN106907469A (en) * | 2017-03-02 | 2017-06-30 | 张广山 | It is a kind of for the anti-jamming transmission device just dismantled of machinery |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6224556B2 (en) * | 2014-09-04 | 2017-11-01 | 本田技研工業株式会社 | Transmission synchronizer |
| JP6265491B2 (en) * | 2014-12-11 | 2018-01-24 | 本田技研工業株式会社 | Synchronizer and transmission |
| JP6763813B2 (en) * | 2017-03-29 | 2020-09-30 | 武蔵精密工業株式会社 | Engagement type clutch mechanism |
| CN107477105A (en) * | 2017-08-28 | 2017-12-15 | 陕西法士特汽车传动集团有限责任公司 | A kind of synchronizer locking structure |
| CN112303142B (en) * | 2020-10-29 | 2021-09-14 | 燕山大学 | Pressure-controllable friction ring type synchronizer |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1908454A (en) * | 2005-08-05 | 2007-02-07 | 协和合金株式会社 | Synchronizer for transmission case |
| EP2306039A2 (en) * | 2009-10-05 | 2011-04-06 | Kyowa Metal Works Co., Ltd | Shift device adapted for transmission |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2641350B1 (en) * | 1988-12-30 | 1993-08-13 | Peugeot | DUAL SYNCHRONIZER WITH INTEGRATED AXIAL LOCKING MEANS |
| JPH0571555A (en) * | 1991-09-12 | 1993-03-23 | Aisin Seiki Co Ltd | Lubrication for double cone type synchro device |
| JP3138780B2 (en) * | 1992-11-17 | 2001-02-26 | 本田技研工業株式会社 | Synchronous mechanism of gear transmission |
| JP2005114156A (en) * | 2003-09-19 | 2005-04-28 | Nissan Motor Co Ltd | Synchronizer for transmission |
| EP2194286B1 (en) * | 2008-12-04 | 2012-02-22 | Hoerbiger Antriebstechnik GmbH | Synchronising device |
| JP5237239B2 (en) * | 2009-10-22 | 2013-07-17 | 本田技研工業株式会社 | Gearbox synchronizer |
-
2011
- 2011-11-30 JP JP2011261811A patent/JP5506766B2/en active Active
-
2012
- 2012-10-09 CN CN201210380583.6A patent/CN103133554B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1908454A (en) * | 2005-08-05 | 2007-02-07 | 协和合金株式会社 | Synchronizer for transmission case |
| EP2306039A2 (en) * | 2009-10-05 | 2011-04-06 | Kyowa Metal Works Co., Ltd | Shift device adapted for transmission |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106907469A (en) * | 2017-03-02 | 2017-06-30 | 张广山 | It is a kind of for the anti-jamming transmission device just dismantled of machinery |
| CN106907469B (en) * | 2017-03-02 | 2019-06-11 | 宁波兴伟刀具科技有限公司 | It is a kind of for the mechanical anti-jamming transmission device just dismantled |
Also Published As
| Publication number | Publication date |
|---|---|
| JP5506766B2 (en) | 2014-05-28 |
| CN103133554A (en) | 2013-06-05 |
| JP2013113404A (en) | 2013-06-10 |
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