CN202901181U - Anti-lock braking device of speed changer inertia lock ring type synchronizer - Google Patents
Anti-lock braking device of speed changer inertia lock ring type synchronizer Download PDFInfo
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- CN202901181U CN202901181U CN 201220568396 CN201220568396U CN202901181U CN 202901181 U CN202901181 U CN 202901181U CN 201220568396 CN201220568396 CN 201220568396 CN 201220568396 U CN201220568396 U CN 201220568396U CN 202901181 U CN202901181 U CN 202901181U
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- speed changer
- synchronizer
- slide block
- shaped
- synchronizing ring
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Abstract
The utility model provides an anti-lock braking device of a speed changer inertia lock ring type synchronizer, and belongs to the technical field of automobiles. The anti-lock braking device of the speed changer inertia lock ring type synchronizer solves the technical problem that a locking phenomenon exists in an existing synchronizer and the like. The anti-lock braking device comprises a return part which can drive a synchronization ring to break away from an outer conical surface of a change gear when a gear of a speed changer is changed into a neutral position. The return part is fixed on a slide block. A connecting structure which enables the return part and the synchronization ring to be connected with each other is arranged on the return part and the synchronization ring. The anti-lock braking device of the speed changer inertia lock ring type synchronizer has the advantages of being simple in structure, low in cost, convenient to install and manufacture, good in anti-lock braking effect and the like.
Description
Technical field
The utility model belongs to automobile technical field, relates to a kind of antilock device of speed changer inertial lock ring type synchronizer.
Background technique
Because transmission input shaft and output shaft rotate with speed separately, close stationary problem of existence during the conversion gear.Two different gears of rotational speed mesh by force impact will inevitably occur, and damage gear.Therefore, the gear shift of old-fashioned speed changer will be adopted the mode of bipod clutch, upgrades to stop a moment at neutral position, and downshift will be at the neutral position open out, to reduce the speed discrepancy of gear.But this operates more complicated, is difficult to grasp accurately, is easy to produce the impact between the gear teeth or spline tooth.In order simplifying the operation, and to avoid between cog to impact, synchronizer can be set in gearshift.
Inertial type of synchronizer is that to rely on rubbing action to realize synchronous, is provided with in the above specialized organization and guarantees that clutch collar and spline gear to be joined can not contact before synchronous reaching, thereby avoided the between cog impact.For example the disclosed a kind of circlet formula inertia synchronizer of Chinese patent literature [application publication number: CN101929540A] comprises tooth hub, shelves ring and sliding gear collar, and tooth hub endoporus place has some standard involute spliness and matches with speed changer two axles; One end face of tooth hub is by rivet trisection riveting shelves ring, and the shelves ring forms tooth hub assembly by the rivet riveting at tooth hub end face and tooth hub; The sliding gear collar cylindrical is provided with fork slot, and the both sides, footpath are provided with oil storage tank at the bottom of fork slot; Sliding gear collar inside is provided with anti-off cone, and the sliding gear collar both ends of the surface are provided with the oblique angle to overlapping position, internal spline herringbone angle.Have a minimum face angle during the above-mentioned conventional synchronizer design conical surface, general design load is all large than this value, and purpose is to prevent conical surface locking, and this value is determined by the friction factor of the conical surface.In case conical surface locking phenomenon occurs, generally can only weaken conical surface technique to reduce minimum face angle requirement, perhaps increase face angle, these all cause the weakening of net synchronization capability.
Summary of the invention
The purpose of this utility model is the problems referred to above that exist for existing technology, a kind of antilock device of speed changer inertial lock ring type synchronizer is provided, and technical problem to be solved in the utility model is to avoid the locking phenomenon that may occur during near minimum value at face angle.
The purpose of this utility model can realize by following technical proposal: a kind of antilock device of speed changer inertial lock ring type synchronizer, speed changer comprises speed change gear and synchronizer, synchronizer comprises slide block and has the synchronizing ring of inner conical surface, have the male cone (strobilus masculinus) that matches with the synchronizing ring inner conical surface on the speed change gear, when speed changer during at shelves described synchronizing ring be enclosed within on the speed change gear male cone (strobilus masculinus); It is characterized in that, this antilock device comprises and can drive the return spare that synchronizing ring breaks away from the speed change gear male cone (strobilus masculinus) when shelves are changed to neutral at speed changer, described return spare is fixed on the slide block, has on described return spare and the synchronizing ring to make its interconnective linkage structure.
Synchronizing ring rely on and speed change gear on male cone (strobilus masculinus) friction and make synchronizing ring reach synchronized state with speed change gear lenitively, thereby gear impact when avoiding shifting gears also brings convenience to driver's operation.Add return spare in synchronizer, return spare can guarantee that when making the return trip empty gear synchronizing ring breaks away from the speed change gear male cone (strobilus masculinus), prevents the appearance of locking situation.Simultaneously, return spare has been arranged in the synchronizer, synchronizer is sacrificed its net synchronization capability with regard to need not in order to prevent locking.
In the antilock device of above-mentioned a kind of speed changer inertial lock ring type synchronizer, described return spare is to be rich in U-shaped of nonlinear elasticity, described U-shaped is embedded in the slide block, described linkage structure comprise U-shaped two end part laterally the projection the inserted part and the buckling groove on the synchronizing ring, described inserted part stretch out slide block and and buckling groove match.U-shaped is embedded in the slide block, follows slide block and moves, and the inserted part on U-shaped can be when speed changer makes the return trip empty gear in the link groove, and synchronizing ring just can break away from speed change gear smoothly along with the movement of slide block like this.
In the antilock device of above-mentioned a kind of speed changer inertial lock ring type synchronizer, described inserted part shape triangular in shape, described inserted part with respect to U-shaped protruding end and U-shaped end face by straight chamfered transition.When filing, U-shaped just can be opened smoothly along the inclined-plane like this, makes the smooth combination of male cone (strobilus masculinus) of inner conical surface and the speed change gear of synchronizing ring, relaxes the effect of speed change to realize speed changer.
In the antilock device of above-mentioned a kind of speed changer inertial lock ring type synchronizer, described U-shaped is adopted cold-rolled low carbon steel to be stamped to form.Cold-rolled low carbon steel good toughness, elasticity are good.
In the antilock device of above-mentioned a kind of speed changer inertial lock ring type synchronizer, described return spare is metal bar, one end of described metal bar is connected on the slide block, described linkage structure comprises that the metal bar the other end is the blocked hole that passes for metal bar on clamping joint that convex forms and the synchronizing ring to its gusset, and the diameter of described blocked hole is less than the diameter of clamping joint.Metal bar is connected on the slide block, can follow slide block and move together, and when making the return trip empty gear, because clamping joint can not pass blocked hole, metal bar just can spur synchronizing ring by clamping joint and break away from the male cone (strobilus masculinus) of speed change gear smoothly.
Compared with prior art, the utility model adds return spare at synchronizer, can guarantee that when making the return trip empty gear synchronizing ring breaks away from the speed change gear male cone (strobilus masculinus), prevents the appearance of locking situation.Simultaneously, return spare has been arranged in the synchronizer, synchronizer is sacrificed its net synchronization capability with regard to need not in order to prevent locking, helps the prolongation of synchronizer and gear life.The utility model is simple in structure, with low cost, installation is easy to make, is suitable for extensive use.
Description of drawings
Fig. 1 is the assembling schematic representation of the utility model in embodiment one.
Fig. 2 is that the utility model is in embodiment one and the key plan of synchronizer.
Fig. 3 is U-shaped structural representation among the embodiment one.
Among the figure, 1, clutch collar; 2, slide block; 3, synchronizing ring; 4, U-shaped; 41, inserted part.
Embodiment
Below be specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
Embodiment one
The speed changer of automobile comprises speed change gear and synchronizer, and as shown in Figure 1 and Figure 2, synchronizer comprises clutch collar 1, slide block 2 and synchronizing ring 3.Speed change gear has male cone (strobilus masculinus), and synchronizing ring 3 has the inner conical surface that matches with the speed change gear male cone (strobilus masculinus), and the synchronous effect of synchronizer mainly is exactly that speed change gear reaches consistent by the friction between male cone (strobilus masculinus) and the inner conical surface gradually with synchronizing ring 3 rotating speeds.Synchronizing ring 3 also has the external tooth identical with the speed change gear diameter, clutch collar 1 has the internal tooth that matches with it, when speed change gear reaches consistent with synchronizing ring 3 speed, the speed of clutch collar 1 is also consistent with speed change gear, at this moment clutch collar 1 will be meshed with speed change gear, and so just gearshift has put in place.
This antilock device comprises return spare, and return spare is fixed on the slide block 2, and slide block 2 is connected on the clutch collar 1, has on return spare and the synchronizing ring 3 to make its interconnective linkage structure.As shown in Figure 3, the return spare of present embodiment is to be rich in U-shaped 4 of nonlinear elasticity, and U-shaped 4 is adopted cold-rolled low carbon steel to be stamped to form.Be embedded in for U-shaped 4 in the slide block 2, linkage structure comprise U-shaped 4 two end part laterally the projection inserted part 41 and the buckling groove on the synchronizing ring 3.Wherein inserted part 41 is triangular shape, its with respect to U-shaped 4 protruding ends and U-shaped 4 end faces by straight chamfered transition, inserted part 41 stretch out slide block 2 and and buckling groove match.
When speed changer files from neutral, clutch collar 1 moves to speed change gear, slide block 2 is thereupon mobile, at this moment owing to be rich in nonlinear elasticity for U-shaped 4, thereby inserted part 41 is opened along the inclined-plane and is broken away from buckling groove, and slide block 2 contact with synchronizing ring 3 and promotes synchronizing ring 3 and moves to speed change gear, makes the male cone (strobilus masculinus) linking of inner conical surface and the speed change gear of synchronizing ring 3, after speed change gear, synchronizing ring 3 and clutch collar 1 are synchronized, clutch collar 1 and speed change gear engagement.When speed changer kept off from making the return trip empty at shelves, clutch collar 1 left speed change gear, and band movable slider 2 moves, and makes U-shaped 4 inserted part 41 link grooves, made synchronizing ring 3 break away from speed change gears.
Embodiment two
The structural principle of present embodiment and embodiment one are basic identical, different place is: return spare is metal bar, one end of metal bar is connected on the slide block, linkage structure comprises that the metal bar the other end is the blocked hole that passes for metal bar on clamping joint that convex forms and the synchronizing ring to its gusset, and the diameter of blocked hole is less than the diameter of clamping joint.Metal bar is connected on the slide block, can follow slide block and move together, and when making the return trip empty gear, because clamping joint can not pass blocked hole, metal bar just can spur synchronizing ring by clamping joint and break away from the male cone (strobilus masculinus) of speed change gear smoothly.
Specific embodiment described herein only is to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Claims (5)
1. the antilock device of a speed changer inertial lock ring type synchronizer, speed changer comprises speed change gear and synchronizer, synchronizer comprises slide block (2) and has the synchronizing ring (3) of inner conical surface, have on the speed change gear and male cone (strobilus masculinus) that synchronizing ring (3) inner conical surface matches, when speed changer during at shelves described synchronizing ring (3) be enclosed within on the speed change gear male cone (strobilus masculinus); It is characterized in that, this antilock device comprises and can drive the return spare that synchronizing ring (3) breaks away from the speed change gear male cone (strobilus masculinus) when shelves are changed to neutral at speed changer, described return spare is fixed on the slide block (2), has on described return spare and the synchronizing ring (3) to make its interconnective linkage structure.
2. the antilock device of a kind of speed changer inertial lock ring type synchronizer according to claim 1, it is characterized in that, described return spare is U-shaped (4) that are rich in nonlinear elasticity, described U-shaped (4) are embedded in the slide block (2), the two end part that described linkage structure comprises U-shaped (4) are the inserted part (41) of projection and the buckling groove on the synchronizing ring (3) laterally, and described inserted part (41) stretch out slide block (2) also and buckling groove matches.
3. the antilock device of a kind of speed changer inertial lock ring type synchronizer according to claim 2, it is characterized in that, described inserted part (41) shape triangular in shape, described inserted part (41) with respect to U-shaped (4) protruding end and U-shaped (4) end face by straight chamfered transition.
4. according to claim 2 or the antilock device of 3 described a kind of speed changer inertial lock ring type synchronizers, it is characterized in that described U-shaped (4) adopt cold-rolled low carbon steel to be stamped to form.
5. the antilock device of a kind of speed changer inertial lock ring type synchronizer according to claim 1, it is characterized in that, described return spare is metal bar, one end of described metal bar is connected on the slide block (2), described linkage structure comprises that the metal bar the other end is clamping joint and the upper blocked hole that supplies metal bar to pass of synchronizing ring (3) that convex forms to its gusset, and the diameter of described blocked hole is less than the diameter of clamping joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220568396 CN202901181U (en) | 2012-10-31 | 2012-10-31 | Anti-lock braking device of speed changer inertia lock ring type synchronizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220568396 CN202901181U (en) | 2012-10-31 | 2012-10-31 | Anti-lock braking device of speed changer inertia lock ring type synchronizer |
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| Publication Number | Publication Date |
|---|---|
| CN202901181U true CN202901181U (en) | 2013-04-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220568396 Expired - Fee Related CN202901181U (en) | 2012-10-31 | 2012-10-31 | Anti-lock braking device of speed changer inertia lock ring type synchronizer |
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| CN (1) | CN202901181U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111692228A (en) * | 2015-07-22 | 2020-09-22 | 伊顿智能动力有限公司 | Lift synchronizer set with reduced axial length |
-
2012
- 2012-10-31 CN CN 201220568396 patent/CN202901181U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111692228A (en) * | 2015-07-22 | 2020-09-22 | 伊顿智能动力有限公司 | Lift synchronizer set with reduced axial length |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130424 Termination date: 20131031 |