CN204267650U - Gearbox slip shifter collar - Google Patents
Gearbox slip shifter collar Download PDFInfo
- Publication number
- CN204267650U CN204267650U CN201420641457.6U CN201420641457U CN204267650U CN 204267650 U CN204267650 U CN 204267650U CN 201420641457 U CN201420641457 U CN 201420641457U CN 204267650 U CN204267650 U CN 204267650U
- Authority
- CN
- China
- Prior art keywords
- sliding sleeve
- internal spline
- sleeve body
- teeth
- shifter collar
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Mechanical Operated Clutches (AREA)
- Gear-Shifting Mechanisms (AREA)
Abstract
The utility model discloses a kind of gearbox slip shifter collar, comprise sliding sleeve body, described sliding sleeve body is provided with fork slot, the center of described sliding sleeve body is provided with central through bore, described central through bore comprises glissile segment and engaged section, and the internal diameter of described glissile segment is less than the internal diameter of described engaged section, and is provided with internal spline I in described glissile segment, be provided with internal spline II in described engaged section, and the tip diameter of described internal spline II is greater than the root diameter of described internal spline I; All spline tooths of described internal spline II are all set to teeth, the direction that the facewidth of described teeth points to internal spline I along described internal spline II reduces gradually, and one end end face of described teeth described internal spline I is dorsad provided with the arc envelope face formed by circular arc chamfering.Gearbox slip shifter collar of the present utility model, can not only prevent out of supply, and more smooth-going during engage a gear.
Description
Technical field
The utility model belongs to technical field of mechanical transmission, is specifically related to a kind of gearbox slip shifter collar.
Background technique
Gearbox is made up of gear and axle, and produce variable-speed torque-converting by different Gear combination, its function mainly contains: 1, change velocity ratio; 2, in the constant situation of hand engine rotation, automobile can be fallen back traveling; 3, utilize neutral, interrupt transmission of power, to start to enable motor, idling, and be convenient to shifting of transmission or carry out Power output.Gearbox slip shifter collar single-degree-of-freedom is slidably matched and is sleeved on splined shaft, utilizes shift fork to drive it to slide along splined shaft and realizes engaging with other spline structure engage a gears and then the object of transfer motion power.Although existing gearbox slip shifter collar can meet usage requirement to a certain extent, after engage a gear engagement, easily there is problem out of supply, cause Power output to interrupt, affect stability and the reliability of transmission of power.
Summary of the invention
In view of this, the purpose of this utility model is to provide a kind of gearbox slip shifter collar, can not only prevent out of supply, and more smooth-going during engage a gear.
For achieving the above object, the utility model provides following technological scheme:
A kind of gearbox slip shifter collar, comprise sliding sleeve body, described sliding sleeve body is provided with fork slot, the center of described sliding sleeve body is provided with central through bore, described central through bore comprises glissile segment and engaged section, and the internal diameter of described glissile segment is less than the internal diameter of described engaged section, and is provided with internal spline I in described glissile segment, be provided with internal spline II in described engaged section, and the tip diameter of described internal spline II is greater than the root diameter of described internal spline I; All spline tooths of described internal spline II are all set to teeth, the direction that the facewidth of described teeth points to internal spline I along described internal spline II reduces gradually, and one end end face of described teeth described internal spline I is dorsad provided with the arc envelope face formed by circular arc chamfering.
Further, described fork slot is arranged on the periphery wall of the described sliding sleeve body corresponding with described glissile segment.
Further, described teeth is arranged axisymmetricly.
Further, described teeth symmetry plane is fallen in and angle between the dual-side of the arbitrary section intercepted on corresponding described teeth with the plane of the axis being parallel of described sliding sleeve body is equal.
Further, described teeth symmetry plane is fallen in and angle between the dual-side of the arbitrary section intercepted on corresponding described teeth with the plane of the axis being parallel of described sliding sleeve body is 2-7 °.
Further, the external diameter in described arc envelope face reduces gradually along the described radially inner direction of sliding sleeve body.
Further, seamlessly transit between described arc envelope face with the two side of corresponding described teeth.
Further, the symmetrical line in described arc envelope face be relative to described sliding sleeve body axis be tilt oblique line.
Further, the angle between the symmetrical line in described arc envelope face and described sliding sleeve body axis is 75-80 °.
Further, in described arc envelope face, the center of circle of all circular arcs is all dropped on on the straight line of the axes normal of described sliding sleeve body.
The beneficial effects of the utility model are:
Gearbox slip shifter collar of the present utility model, by the spline tooth of internal spline II is set to teeth, after sliding gear collar engages with other spline structures, utilize the characteristic that teeth change width is different, effectively can avoid between sliding gear collar and other spline structures out of supply, make gearbox performance more stable; By arranging the arc envelope face formed by circular arc chamfering on teeth, when internal spline II engages with other spline structure engage a gears, due to the existence in this arc envelope face, even if the position between the spline tooth of internal spline II and the spline tooth of other spline structures is unjustified, this arc envelope face also can produce a tangential separation to spline tooth, make the slip that spline tooth is smooth-going along this arc envelope face, and finally realize engage a gear engagement.
Accompanying drawing explanation
In order to make the purpose of this utility model, technological scheme and beneficial effect clearly, the utility model provides following accompanying drawing to be described:
Fig. 1 is the structural representation of the utility model gearbox slip shifter collar embodiment;
Fig. 2 is the A detail drawing of Fig. 1;
Fig. 3 is the B detail drawing of Fig. 2;
Fig. 4 is the C-C sectional drawing of Fig. 2.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail, and to make those skilled in the art better can understand the utility model being implemented, but illustrated embodiment is not as to restriction of the present utility model.
As shown in Figure 1, be the structural representation of the utility model gearbox slip shifter collar embodiment.The gearbox slip shifter collar of the present embodiment, comprise sliding sleeve body 1, described sliding sleeve body 1 is provided with fork slot 2, the center of described sliding sleeve body 1 is provided with central through bore 3, described central through bore 3 comprises glissile segment 4 and engaged section 5, the internal diameter of described glissile segment 4 is less than the internal diameter of described engaged section 5, and the internal spline I 6 be provided with in described glissile segment 4 for coordinating with splined shaft, be provided with the internal spline II 7 for engaging with other spline engage a gears in described engaged section 5, and the tip diameter of described internal spline II 7 is greater than the root diameter of described internal spline I 6; All spline tooths of described internal spline II 7 are all set to teeth 8, and the direction that the facewidth of described teeth 8 points to internal spline I 6 along described internal spline II 7 reduces gradually.And one end end face of described teeth 8 described internal spline I 6 is dorsad provided with the arc envelope face 9 formed by circular arc chamfering.
Further, the fork slot 2 of the present embodiment is arranged on the periphery wall of the described sliding sleeve body 1 corresponding with described glissile segment, can effectively reduce the external diameter of sliding sleeve body 1.
Further, teeth 8 is arranged axisymmetricly, fall in described teeth 8 symmetry plane and angle α between the dual-side of the arbitrary section intercepted on corresponding described teeth with the plane of the axis being parallel of described sliding sleeve body 1 is equal, the present embodiment falls in described teeth 8 symmetry plane and angle α between the dual-side of the arbitrary section intercepted on corresponding described teeth 8 with the plane of the axis being parallel of described sliding sleeve body 1 is 2-7 °, concrete, this angle value is 6 °.Adopt the teeth of this structure, the structural strength of spline tooth can either be ensured, can better avoid again out of supply.
Further, the external diameter in the arc envelope face 6 of the present embodiment reduces gradually along the described radially inner direction of coupling shaft body 1, and seamlessly transits between arc envelope face 6 with the two side of corresponding described teeth 5, can avoid bite further.The symmetrical line in arc envelope face 6 is be the oblique line tilted relative to described coupling shaft body 1 axis, and the angle β between the symmetrical line in the arc envelope face 6 of the present embodiment and described coupling shaft body axis is 80 °.In arc envelope face 6, the center of circle of all circular arcs is all dropped on on the straight line of the axes normal of described coupling shaft body 1.Adopt the arc envelope face of this structure, engage a gear can be made smooth-going.
Internal spline I and the internal spline II of the present embodiment are involute inner spline, and sliding sleeve body 1 is provided with the carburizing and quenching layer that the degree of depth is 1.1-1.6mm, can effectively strengthen intensity and wear-resisting property.
The gearbox slip shifter collar of the present embodiment, by the spline tooth of internal spline II is set to teeth, after sliding gear collar engages with other spline structures, utilize the characteristic that teeth change width is different, effectively can avoid between sliding gear collar and other spline structures out of supply, make gearbox performance more stable; By arranging the arc envelope face formed by circular arc chamfering on teeth, when internal spline II engages with other spline structure engage a gears, due to the existence in this arc envelope face, even if the position between the spline tooth of internal spline II and the spline tooth of other spline structures is for aliging, this arc envelope face also can produce a tangential separation to spline tooth, be the spline tooth slip smooth-going along this arc envelope face, and finally realize engage a gear engagement.
The above embodiment is only for absolutely proving the preferred embodiment that the utility model is lifted, and protection domain of the present utility model is not limited thereto.The equivalent alternative or conversion that those skilled in the art do on the utility model basis, all within protection domain of the present utility model.Protection domain of the present utility model is as the criterion with claims.
Claims (10)
1. a gearbox slip shifter collar, it is characterized in that: comprise sliding sleeve body, described sliding sleeve body is provided with fork slot, the center of described sliding sleeve body is provided with central through bore, described central through bore comprises glissile segment and engaged section, and the internal diameter of described glissile segment is less than the internal diameter of described engaged section, and is provided with internal spline I in described glissile segment, be provided with internal spline II in described engaged section, and the tip diameter of described internal spline II is greater than the root diameter of described internal spline I; All spline tooths of described internal spline II are all set to teeth, the direction that the facewidth of described teeth points to internal spline I along described internal spline II reduces gradually, and one end end face of described teeth described internal spline I is dorsad provided with the arc envelope face formed by circular arc chamfering.
2. gearbox slip shifter collar according to claim 1, is characterized in that: described fork slot is arranged on the periphery wall of the described sliding sleeve body corresponding with described glissile segment.
3. gearbox slip shifter collar according to claim 1 and 2, is characterized in that: described teeth is arranged axisymmetricly.
4. gearbox slip shifter collar according to claim 3, is characterized in that: fall in described teeth symmetry plane and angle between the dual-side of the arbitrary section intercepted on corresponding described teeth with the plane of the axis being parallel of described sliding sleeve body is equal.
5. gearbox slip shifter collar according to claim 4, is characterized in that: fall in described teeth symmetry plane and angle between the dual-side of the arbitrary section intercepted on corresponding described teeth with the plane of the axis being parallel of described sliding sleeve body is 2-7 °.
6. gearbox slip shifter collar according to claim 1, is characterized in that: the external diameter in described arc envelope face reduces gradually along the described radially inner direction of sliding sleeve body.
7. gearbox slip shifter collar according to claim 6, is characterized in that: seamlessly transit between described arc envelope face with the two side of corresponding described teeth.
8. gearbox slip shifter collar according to claim 7, is characterized in that: the symmetrical line in described arc envelope face is be the oblique line tilted relative to described sliding sleeve body axis.
9. gearbox slip shifter collar according to claim 8, is characterized in that: the angle between the symmetrical line in described arc envelope face and described sliding sleeve body axis is 75-80 °.
10. gearbox slip shifter collar according to claim 6, is characterized in that: in described arc envelope face, the center of circle of all circular arcs is all dropped on on the straight line of the axes normal of described sliding sleeve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420641457.6U CN204267650U (en) | 2014-10-31 | 2014-10-31 | Gearbox slip shifter collar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420641457.6U CN204267650U (en) | 2014-10-31 | 2014-10-31 | Gearbox slip shifter collar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204267650U true CN204267650U (en) | 2015-04-15 |
Family
ID=52802521
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420641457.6U Expired - Fee Related CN204267650U (en) | 2014-10-31 | 2014-10-31 | Gearbox slip shifter collar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204267650U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106812820A (en) * | 2015-11-27 | 2017-06-09 | 重庆康田齿轮有限公司 | Gearbox shaft coupling tooth set |
| CN106812799A (en) * | 2015-11-27 | 2017-06-09 | 重庆康田齿轮有限公司 | Main transformer speed synchronizer axle sleeve |
| CN107355486A (en) * | 2017-08-09 | 2017-11-17 | 江苏威鹰机械有限公司 | New-energy automobile slidably engages set and its manufacturing process |
-
2014
- 2014-10-31 CN CN201420641457.6U patent/CN204267650U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106812820A (en) * | 2015-11-27 | 2017-06-09 | 重庆康田齿轮有限公司 | Gearbox shaft coupling tooth set |
| CN106812799A (en) * | 2015-11-27 | 2017-06-09 | 重庆康田齿轮有限公司 | Main transformer speed synchronizer axle sleeve |
| CN107355486A (en) * | 2017-08-09 | 2017-11-17 | 江苏威鹰机械有限公司 | New-energy automobile slidably engages set and its manufacturing process |
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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: 20150415 Termination date: 20151031 |
|
| EXPY | Termination of patent right or utility model |