CN205166068U - Device suitable for synchronous ware awl hub - Google Patents
Device suitable for synchronous ware awl hub Download PDFInfo
- Publication number
- CN205166068U CN205166068U CN201520994179.7U CN201520994179U CN205166068U CN 205166068 U CN205166068 U CN 205166068U CN 201520994179 U CN201520994179 U CN 201520994179U CN 205166068 U CN205166068 U CN 205166068U
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- China
- Prior art keywords
- axle
- tooth
- positioning disk
- clamping sleeve
- positioning gear
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Abstract
The utility model relates to a device suitable for synchronous ware awl hub, including mandrel and fixed attentive epaxial positioning disk, the mandrel include from a left side to axle body, the axle collar, axle journal and spindle nose that the right side set gradually, have the location gear on the axle journal, has cup jointed on the spindle nose and has compressed tightly the cover, compress tightly put in be equipped with the opening towards a left side and with spindle nose sliding fit's cavity, compress tightly and be equipped with the second centre bore on the right -hand member face of cover, the positioning disk is fixed on the right -hand member face of the axle collar, and the middle part of positioning disk is equipped with opening recess right, and the positioning tooth wheel lies in the positioning disk and compresses tightly between the cover, and the tip diameter of location gear is lighter than the minimum inscribed circle diameter of recess and is greater than the open -ended diameter of cavity, and the cross section of the tooth of location gear is trapezoidal. The utility model discloses use the flank of tooth of synchronous ware awl hub ring gear reference circle department to fix a position, guaranteed axiality and pitch circle that synchronous ware awl hub external tooth mentioned the conical surface in with and beated, but the synchronous ware of processed is bored the hub and is loaded onto noise reduction behind the derailleur assembly.
Description
Technical field
The utility model relates to the frock in a kind of machining, refers to a kind of device being applicable to Synchronizer Cone hub especially.
Background technology
Synchronizer Cone hub is the parts in speed changer.Usually, the device that processing Synchronizer Cone hub uses is made up of hard-core axle, pressing plate, locking nut, this device loads and unloads Synchronizer Cone hub by adjusting lock nut, inconvenient operation, and adopt the Synchronizer Cone hub that this device processes, there is internal tooth and external tooth and conical surface axiality and pitch circle and to beat overproof phenomenon.Particularly Synchronizer Cone hub belongs to a kind of book parietal tooth wheel, after heat-treatment quenching, the outside circle of its ring gear easily occurs that circle is lost in distortion, utilize the outside circle of Synchronizer Cone hub ring gear to locate to carry out processing or checking, there is the axiality of the Synchronizer Cone hub external tooth that processes and internal tooth and the conical surface and pitch circle to beat unstable, overproof problem, after this Synchronizer Cone hub loading transmission assembly, there is the phenomenon that noise is large, the life-span is short.
Utility model content
The utility model makes improvements for above-mentioned prior art Problems existing, so propose a kind of device being applicable to Synchronizer Cone hub, this device utilizes the flank of tooth at Synchronizer Cone hub ring gear reference circle place to locate, and ensure that the external tooth of Synchronizer Cone hub and the axiality of internal tooth and the conical surface and pitch circle are beated.
The technical solution of the utility model is achieved in that a kind of device being applicable to Synchronizer Cone hub, comprise axle and be fixed on positioning disk in described axle, described axle comprises the axle body set gradually from left to right, the axle collar, axle journal and spindle nose, on described axle journal, slip cap is connected to Positioning Gear, on described spindle nose, slip cap is connected to clamping sleeve, described clamping sleeve is provided with opening towards cavity that is left and that be slidably matched with described spindle nose, the right-hand member of described clamping sleeve is closed, the right side of described clamping sleeve is provided with the second centre bore, described second centre bore runs through the right side wall of described clamping sleeve, to make the ft connection of described cavity and described clamping sleeve, described positioning disk is fixed on the right side of the described axle collar, the middle part of described positioning disk is provided with opening groove to the right, described Positioning Gear is between described positioning disk and described clamping sleeve, the tip diameter of described Positioning Gear is less than the minimum inscribed circle diameter of described groove and is greater than the diameter of the opening of described cavity, the cross section of the tooth of described Positioning Gear is trapezoidal, and the less one end of the cross-sectional width of the tooth of described Positioning Gear is towards described positioning disk, the periphery of described spindle nose is evenly distributed with helicla flute, the periphery of described axle journal is provided with the reticulate pattern that lubricating oil can be prevented to run off, the right side of described positioning disk is fixed with the annular shim be made up of the material that the hardness of hardness ratio Synchronizer Cone hub is little, described annular shim is provided with the centre bore allowing described Positioning Gear pass through, and the right side of described pad is used for contacting with Synchronizer Cone hub, two sidewalls of the tooth of described Positioning Gear are provided with alloy coat.
Adopt technique scheme, axle loads Positioning Gear, Positioning Gear cylindrical is distributed with and tooth module in Synchronizer Cone hub, tooth that pressure angle is identical, and the cross section of this tooth is trapezoidal tapering tooth, after Positioning Gear loads Synchronizer Cone hub, engage with the tapering tooth of Positioning Gear with the flank of tooth at Synchronizer Cone hub internal tooth reference circle place, then on spindle nose, load clamping sleeve and utilize the tailstock center of lathe to hold out against clamping sleeve, drive Positioning Gear moves forward, Synchronizer Cone hub and Positioning Gear relative sliding until clamp, thus compress Synchronizer Cone hub; The periphery of spindle nose is evenly distributed with helicla flute, and when loading clamping sleeve, helicla flute plays the effect of oil extraction, exhaust, discharge impurity, prevents clamping sleeve from blocking; The periphery of axle journal is provided with the reticulate pattern that lubricating oil can be prevented to run off, and to reduce the frictional force between Positioning Gear and axle journal, after preventing long-time use, wearing and tearing appear in Positioning Gear or axle journal; Annular shim is set, effectively can prevents the wearing and tearing of Synchronizer Cone hub, Improving The Quality of Products; Two sidewalls of the tooth of Positioning Gear are provided with alloy coat, and alloy coat anti-wear performance is good, can extend the service life of Positioning Gear, ensures the positioning precision of Positioning Gear, ensures the machining accuracy of Synchronizer Cone hub.
Further, the left side of described axle is provided with the first centre bore.
Further, the angle of two hypotenuses of the cross section of the tooth of described Positioning Gear is 4 ° ~ 10 °.
Further, described alloy coat is titanium nitride coating, titanium nitride coating has the advantage of high rigidity, high-wearing feature, low-friction coefficient, the color of titanium nitride coating is golden yellow, the color of titanium nitride coating is different from the color of Positioning Gear, when titanium nitride weares and teares, operating personnel can observe out easily, to change Positioning Gear in time, ensure machining accuracy.
The utility model has following beneficial effect: the utility model structure is simple, easy to assembly, workpiece loading and unloading is fast, and use the flank of tooth at step device cone hub ring gear reference circle place to position, this locating surface is safe and reliable, positioning precision is high, ensure that the coaxiality error of Synchronizer Cone hub internal tooth and external tooth, ensure that the pitch circle of external tooth is beated, also ensure that the conical surface of Synchronizer Cone hub is beated, thus ensure that product quality, can noise be reduced after transmission assembly loaded onto by the Synchronizer Cone hub processed.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation that the utility model is applicable to the device of Synchronizer Cone hub;
Fig. 2 is the structural representation of the tooth of Fig. 1 Positioning Gear;
Fig. 3 is the A-A profile in Fig. 2.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
A kind of device being applicable to Synchronizer Cone hub as shown in Figure 1 to Figure 3, comprise axle 1 and be fixed on positioning disk 2 in axle 1, axle 1 comprises the axle body set gradually from left to right, the axle collar 8, axle journal 9 and spindle nose 10, on axle journal 9, slip cap is connected to Positioning Gear 3, on spindle nose 10, slip cap is connected to clamping sleeve 4, clamping sleeve 4 is provided with opening towards cavity that is left and that be slidably matched with spindle nose 10, the right-hand member of clamping sleeve 4 is closed, the right side of clamping sleeve 4 is provided with the second centre bore 12, second centre bore 12 runs through the right side wall of clamping sleeve 4, to make the ft connection of cavity and clamping sleeve 4, the gas in cavity can be discharged by the second centre bore 12, positioning disk 2 is fixed on the right side of the axle collar 8, the middle part of positioning disk 2 is provided with opening groove to the right, Positioning Gear 3 is between positioning disk 2 and clamping sleeve 4, the tip diameter of Positioning Gear 3 is less than the minimum inscribed circle diameter of groove and is greater than the diameter of the opening of cavity, the cross section of the tooth of Positioning Gear 3 is trapezoidal, and the less one end of the cross-sectional width of the tooth of Positioning Gear 3 is towards positioning disk 2, the periphery of spindle nose 10 is evenly distributed with helicla flute 14, the periphery of axle journal 9 is provided with the reticulate pattern 15 that lubricating oil can be prevented to run off, the right side of positioning disk 2 is fixed with the annular shim 6 be made up of the material that the hardness of hardness ratio Synchronizer Cone hub 5 is little, annular shim 6 is provided with the centre bore allowing Positioning Gear 3 pass through, the right side of pad 6 is used for contacting with Synchronizer Cone hub 5, annular shim 6 can time be pasted onto on the right side of positioning disk 2, also can be fixed on the left end of positioning disk 2 by the mode of threaded engagement, pad 6 can have aluminium to make, two sidewalls of the tooth of Positioning Gear 3 are provided with alloy coat 16.
Further, the left side of axle 1 is provided with the first centre bore 7.
Further, the angle of two hypotenuses of the cross section of the tooth of Positioning Gear 3 is 4 ° ~ 10 °.
Further, alloy coat 16 is titanium nitride coating.
The utility model in use, axle journal 9 loads Positioning Gear 3, and Positioning Gear 3 loads Synchronizer Cone hub 5, then on spindle nose 10, loads clamping sleeve 4 and utilizes the tailstock center of lathe to hold out against clamping sleeve 4.Hold out against in process, clamping sleeve 4 heads on Positioning Gear 3 and moves to positioning disk 2, Positioning Gear 3 slides on axle journal 9, no longer move after Synchronizer Cone hub 5 contacts positioning disk 2, now Positioning Gear 3 continues to move in the groove on positioning disk 2, Synchronizer Cone hub 5 by the tooth of Positioning Gear 3 cross-sectional width comparatively small end move to larger end, until Synchronizer Cone hub 5 and Positioning Gear 3 hold out against.Now the flank of tooth at Synchronizer Cone hub 5 internal tooth reference circle place engages with the tooth of Positioning Gear 3, then just can process external tooth and the conical surface of Synchronizer Cone hub 5.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (4)
1. one kind is applicable to the device of Synchronizer Cone hub, comprise axle (1) and be fixed on the upper positioning disk (2) of described axle (1), it is characterized in that: described axle (1) comprises the axle body set gradually from left to right, the axle collar (8), axle journal (9) and spindle nose (10), the upper slip cap of described axle journal (9) is connected to Positioning Gear (3), the upper slip cap of described spindle nose (10) is connected to clamping sleeve (4), described clamping sleeve (4) is provided with opening towards cavity that is left and that be slidably matched with described spindle nose (10), the right-hand member of described clamping sleeve (4) is closed, the right side of described clamping sleeve (4) is provided with the second centre bore (12), described second centre bore (12) runs through the right side wall of described clamping sleeve (4), to make the ft connection of described cavity and described clamping sleeve (4), described positioning disk (2) is fixed on the right side of the described axle collar (8), the middle part of described positioning disk (2) is provided with opening groove to the right, described Positioning Gear (3) is positioned between described positioning disk (2) and described clamping sleeve (4), the tip diameter of described Positioning Gear (3) is less than the minimum inscribed circle diameter of described groove and is greater than the diameter of the opening of described cavity, the cross section of the tooth of described Positioning Gear (3) is trapezoidal, and the less one end of the cross-sectional width of the tooth of described Positioning Gear (3) is towards described positioning disk (2), the periphery of described spindle nose (10) is evenly distributed with helicla flute (14), the periphery of described axle journal (9) is provided with the reticulate pattern (15) that lubricating oil can be prevented to run off, the right side of described positioning disk (2) is fixed with the annular shim (6) be made up of the material that the hardness of hardness ratio Synchronizer Cone hub is little, described annular shim (6) is provided with the centre bore allowing described Positioning Gear (3) pass through, and the right side of described pad (6) is used for contacting with Synchronizer Cone hub, two sidewalls of the tooth of described Positioning Gear (3) are provided with alloy coat (16).
2. according to the device being applicable to Synchronizer Cone hub according to claim 1, it is characterized in that: the left side of described axle (1) is provided with the first centre bore (7).
3. according to the device being applicable to Synchronizer Cone hub according to claim 1, it is characterized in that: the angle of two hypotenuses of the cross section of the tooth of described Positioning Gear (3) is 4 ° ~ 10 °.
4. according to the device being applicable to Synchronizer Cone hub according to claim 1, it is characterized in that: described alloy coat (16) is titanium nitride coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520994179.7U CN205166068U (en) | 2015-12-05 | 2015-12-05 | Device suitable for synchronous ware awl hub |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520994179.7U CN205166068U (en) | 2015-12-05 | 2015-12-05 | Device suitable for synchronous ware awl hub |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205166068U true CN205166068U (en) | 2016-04-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520994179.7U Expired - Fee Related CN205166068U (en) | 2015-12-05 | 2015-12-05 | Device suitable for synchronous ware awl hub |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205166068U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105364206A (en) * | 2015-12-05 | 2016-03-02 | 綦江县赛普雷多汽车齿轮厂 | Device suitable for synchronizer cone hub |
-
2015
- 2015-12-05 CN CN201520994179.7U patent/CN205166068U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105364206A (en) * | 2015-12-05 | 2016-03-02 | 綦江县赛普雷多汽车齿轮厂 | Device suitable for synchronizer cone hub |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160420 Termination date: 20161205 |
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| CF01 | Termination of patent right due to non-payment of annual fee |