CN205173205U - Take the initiative taper gear of locating hole - Google Patents
Take the initiative taper gear of locating hole Download PDFInfo
- Publication number
- CN205173205U CN205173205U CN201520901652.2U CN201520901652U CN205173205U CN 205173205 U CN205173205 U CN 205173205U CN 201520901652 U CN201520901652 U CN 201520901652U CN 205173205 U CN205173205 U CN 205173205U
- Authority
- CN
- China
- Prior art keywords
- rotating shaft
- positioning hole
- bevel gear
- pivot
- drive bevel
- 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
Links
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- Gears, Cams (AREA)
Abstract
The utility model discloses a take the initiative taper gear of locating hole, including the pivot, pivot left end an organic whole is equipped with the rim, is equipped with the awl tooth on the taper surface of rim, characterized by: the pivot is the step shaft, and the thread tightening hole coaxial with the pivot is seted up to pivot right -hand member terminal surface, and pivot right -hand member terminal surface still is equipped with not coaxial with pivot locating hole. The utility model discloses an in -process in the processing pivot can conveniently be fixed, fix a position, need not relapse the clamping, improves the pivot machining precision.
Description
Technical field
The utility model relates to bevel gear, and more particularly, it relates to a kind of drive bevel gear with positioning hole.
Background technique
Bevel gear is part conventional in transmission, can be produced the effect of variable-speed torque-converting by different Gear combination.Bevel gear generally comprises wheel rim, rotating shaft, and the conical surface of wheel rim is provided with cone tooth.Because drive bevel gear during work is doing High Rotation Speed always, and coordinate with other gear transmissions, so higher for required precision, this creates higher requirement to the determination of the fixture and positioning datum that add man-hour.Especially add man-hour at countershaft, need clamping repeatedly, cause adding rotating shaft in man-hour coaxality and can not be guaranteed, larger vibrations can be produced during rotation, make a noise, the life-span of component affecting drive bevel gear and coordinate with it.
Model utility content
For the deficiency that prior art exists, the purpose of this utility model is to provide a kind of drive bevel gear with positioning hole, can fix easily, locate, do not need clamping repeatedly in the process of processing rotating shaft, improves rotating shaft machining accuracy.
For achieving the above object, the utility model provides following technological scheme: a kind of drive bevel gear with positioning hole, comprise rotating shaft, rotating shaft left end is integrally formed with wheel rim, the conical surface of wheel rim is provided with cone tooth, rotating shaft is multidiameter shaft, and rotating shaft right-hand member end face offers the threaded securing bores coaxial with rotating shaft, and rotating shaft right-hand member end face is also provided with not coaxial with rotating shaft positioning hole.
The utility model is set to further: described rotating shaft is divided into the first ladder section, second-order bench, the 3rd ladder section, quadravalence bench and the 5th ladder section, each section of diameter reduces successively, 3rd ladder section is provided with tapering outward-dipping from right to left, and tapering is 1 ° 40 '.
The utility model is set to further: the first ladder section left end is provided with tool withdrawal groove, and two ends, quadravalence bench left and right are equipped with tool withdrawal groove, and quadravalence bench right-hand member is provided with thread section, and thread section is provided with antiratchetting groove.
The utility model is set to further: the 5th multidiameter shaft is provided with keyway.
The utility model is set to further: described rotating shaft right side is provided with 15 ° of chamferings, and fixed hole aperture is provided with 30 ° of chamferings.
Compared with prior art, the utility model has the advantage of: rotating shaft right-hand member end face offers the threaded securing bores coaxial with rotating shaft, rotating shaft right-hand member end face is also provided with not coaxial with rotating shaft positioning hole, when processing rotating shaft, at rotating shaft end face, a cylindrical piece coaxial with rotating shaft is installed, tapped through hole is offered at cylindrical piece end face center, by bolt, cylindrical piece and rotating shaft are fixed together, the face that cylindrical piece end face and rotating shaft end face are conflicted is provided with a locating stud coordinated with positioning hole, positioning hole and detent fit can ensure positioning precision, and prevent relatively rotating between rotating shaft and cylindrical piece, add and cylindrical piece chuck can be clamped man-hour, withstand in the center hole of wheel rim end face with tailstock, the all boundary dimension getting final product countershaft are processed, clamping repeatedly is not needed in course of working, decrease repeatedly the impact of clamping for rotating shaft each section of coaxality, ensure that the precision of rotating shaft, vibrations when decreasing use and noise.
Accompanying drawing explanation
Fig. 1 is the plan view of the drive bevel gear of the utility model band positioning hole;
Fig. 2 is the plan view of the drive bevel gear of the utility model band positioning hole;
Fig. 3 is the right elevation of the drive bevel gear of the utility model band positioning hole.
Reference character: 1, wheel rim; 2, rotating shaft; 21, the first ladder section; 22, second-order bench; 23, the 3rd ladder section; 24, quadravalence bench; 25, the 5th ladder section; 3, threaded securing bores; 4, positioning hole; 5, tool withdrawal groove; 6, thread section; 7, antiratchetting groove; 8, keyway.
Embodiment
Referring to figs. 1 through Fig. 3, the drive bevel gear embodiment of the utility model band positioning hole is described further.
A kind of drive bevel gear with positioning hole 4, comprise rotating shaft 2, rotating shaft 2 left end is integrally formed with wheel rim 1, the conical surface of wheel rim 1 is provided with cone tooth, rotating shaft 2 is multidiameter shaft, rotating shaft 2 right-hand member end face offers the threaded securing bores 3 coaxial with rotating shaft 2, and rotating shaft 2 right-hand member end face is also provided with not coaxial with rotating shaft 2 positioning hole 4.Rotating shaft 2 right-hand member end face offers the threaded securing bores 3 coaxial with rotating shaft 2, rotating shaft 2 right-hand member end face is also provided with not coaxial with rotating shaft 2 positioning hole 4, when processing rotating shaft 2, at rotating shaft 2 end face, a cylindrical piece coaxial with rotating shaft 2 is installed, tapped through hole is offered at cylindrical piece end face center, by bolt, cylindrical piece and rotating shaft 2 are fixed together, the face that cylindrical piece end face and rotating shaft 2 end face are conflicted is provided with a locating stud coordinated with positioning hole 4, positioning hole 4 and detent fit can ensure positioning precision, and prevent relatively rotating between rotating shaft 2 and cylindrical piece, add and cylindrical piece chuck can be clamped man-hour, withstand in the center hole of wheel rim 1 end face with tailstock, the all boundary dimension getting final product countershaft 2 are processed, clamping repeatedly is not needed in course of working, decrease repeatedly the impact of clamping for rotating shaft 2 each sections of coaxalitys, ensure that the precision of rotating shaft 2, vibrations when decreasing use and noise.
Described rotating shaft 2 is divided into the first ladder section 21, second-order bench 22, the 3rd ladder section 23, quadravalence bench 24 and the 5th ladder section 25, and each section of diameter reduces successively, and the 3rd ladder section 23 is provided with tapering outward-dipping from right to left, and tapering is 1 ° 40 '.First ladder section 21 and quadravalence bench 24 are provided with bearing, second-order bench 22 is provided with oil sealing, in 3rd ladder section 23, tapering arranges the installation that can facilitate oil sealing, to prevent between the 3rd ladder section 23 and second-order bench 22, because step excessively causes the sealing lip of oil sealing to be hurt by step, affecting sealing effect.
First ladder section 21 left end is provided with tool withdrawal groove 5, and quadravalence bench about 24 two ends are equipped with tool withdrawal groove 5, and quadravalence bench 24 right-hand member is provided with thread section 6, and thread section 6 is provided with antiratchetting groove 7.Arranging of tool withdrawal groove 5 is conveniently refined the first ladder section 21 and quadravalence bench 24 outer surface.Quadravalence bench 24 right-hand member is provided with thread section 6, can be fixed during use by nut to the bearing on four-step axle, and thread section 6 is provided with antiratchetting groove 7, and a wedge type block is knocked in antiratchetting groove 7, can be prevented nut loosening after installing by nut.
5th multidiameter shaft is provided with keyway 8.Keyway 8 the connection that can facilitate coupling or belt pulley is set, make the transmission of torque of motor or motor in drive bevel gear.
Rotating shaft 2 right side is provided with 15 ° of chamferings, and fixed hole aperture is provided with 30 ° of chamferings.The 15 ° of chamferings that are provided with end face can reduce the generation of burr when Excircle machining is carried out in rotating shaft 2, decrease resistance when bearing being inserted in rotating shaft 2, are conducive to assembly precision when improving assembling.Fixed hole aperture is provided with 30 ° of chamferings and can leads to bolt, facilitates bolt to insert fixed hole.
The large small end of gear is along flank profil sharp edge place chamfering 1.5 × 45 ° of chamferings.The setting of chamfering, when can effectively prevent from picking and placeing drive bevel gear, sharp edge scratches hand, the generation of minimizing accident.
The above is only preferred implementation of the present utility model, protection domain of the present utility model be not only confined to above-described embodiment, and all technological schemes belonged under the utility model thinking all belong to protection domain of the present utility model.It should be pointed out that for those skilled in the art, do not departing from the some improvements and modifications under the utility model principle prerequisite, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (5)
1. the drive bevel gear with positioning hole, comprise rotating shaft, rotating shaft left end is integrally formed with wheel rim, the conical surface of wheel rim is provided with cone tooth, it is characterized in that: rotating shaft is multidiameter shaft, rotating shaft right-hand member end face offers the threaded securing bores coaxial with rotating shaft, and rotating shaft right-hand member end face is also provided with not coaxial with rotating shaft positioning hole.
2. the drive bevel gear of band positioning hole according to claim 1, it is characterized in that: described rotating shaft is divided into the first ladder section, second-order bench, the 3rd ladder section, quadravalence bench and the 5th ladder section, each section of diameter reduces successively, 3rd ladder section is provided with tapering outward-dipping from right to left, and tapering is 1 ° 40 '.
3. the drive bevel gear of band positioning hole according to claim 2, is characterized in that: the first ladder section left end is provided with tool withdrawal groove, and two ends, quadravalence bench left and right are equipped with tool withdrawal groove, and quadravalence bench right-hand member is provided with thread section, and thread section is provided with antiratchetting groove.
4. the drive bevel gear of band positioning hole according to claim 3, is characterized in that: the 5th multidiameter shaft is provided with keyway.
5. the drive bevel gear of band positioning hole according to claim 1, is characterized in that: described rotating shaft right side is provided with 15 ° of chamferings, and fixed hole aperture is provided with 30 ° of chamferings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520901652.2U CN205173205U (en) | 2015-11-12 | 2015-11-12 | Take the initiative taper gear of locating hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520901652.2U CN205173205U (en) | 2015-11-12 | 2015-11-12 | Take the initiative taper gear of locating hole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205173205U true CN205173205U (en) | 2016-04-20 |
Family
ID=55737205
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520901652.2U Expired - Fee Related CN205173205U (en) | 2015-11-12 | 2015-11-12 | Take the initiative taper gear of locating hole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205173205U (en) |
-
2015
- 2015-11-12 CN CN201520901652.2U patent/CN205173205U/en not_active Expired - Fee Related
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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: 20161112 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |