CN207145579U - A kind of impact-resistant secondary speed change driving gear shaft - Google Patents
A kind of impact-resistant secondary speed change driving gear shaft Download PDFInfo
- Publication number
- CN207145579U CN207145579U CN201721078357.7U CN201721078357U CN207145579U CN 207145579 U CN207145579 U CN 207145579U CN 201721078357 U CN201721078357 U CN 201721078357U CN 207145579 U CN207145579 U CN 207145579U
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- CN
- China
- Prior art keywords
- gear shaft
- impact
- speed change
- driving gear
- secondary speed
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- 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.)
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Abstract
The utility model provides a kind of impact-resistant secondary speed change driving gear shaft, belongs to field of mechanical technique.It solves the problems, such as that the impact-resistant secondary speed change driving gear shaft buffering effect of existing one kind is bad and noise is larger.The impact-resistant secondary speed change driving gear shaft of this one kind, including tubular body, one end of body has toothed disc, and the other end of body has external splines, it is equipped with the two side of toothed disc corresponding one by one using buffer part made of elastomeric material, buffer part and tooth form dish structure and position.The advantages of noise is relatively low when the impact-resistant secondary speed change driving gear shaft of this one kind has preferable buffering effect and work.
Description
Technical field
The utility model belongs to field of mechanical technique, is related to a kind of gear shaft, particularly a kind of impact-resistant secondary speed change master
Movable gear shaft.
Background technology
Gear shaft refer to support rotary part and turn round therewith with transmit motion, moment of torsion or moment of flexure machine components, one
As it is shaft-like for round metal, each section can have different diameters, and the part of gyration is made in machine just on gear shaft.It is existing
Gear shaft end in order to reduce abrasion, can all be arranged with the bearing of tight fit, but the coefficient of friction of gear shaft end is smaller,
It is not compact enough with the tight fit of bearing inner race, cause to skid, move or collide in use in addition, can all influence tooth
The cooperation tightness degree of wheel shaft and bearing, now need to just change gear shaft, cause use cost too high.
A kind of gear shaft (application number as disclosed in Chinese patent literature：201521044264.3), including the sheet in shaft-like
Body, one end of body have columned connection end, and the other end of body has spline, and the outer peripheral face of connection end offers a circle
Annular groove, at least over the length of connection end 2/3rds, connection end forms and imported the groove width of annular groove in the outer end of annular groove
The edge of portion and introduction part is provided with circular arc chamfering, and connection end forms butting section in the inner of annular groove, be fixed with annular groove by
Its carbon fibre cloth layer being paved with, the outer peripheral face that the outer peripheral face of carbon fibre cloth layer maintains an equal level in introduction part and butting section.But the gear shaft
For positive drive, therefore the buffering effect of its transmission is bad and noise is larger when working.
The content of the invention
The purpose of this utility model is above mentioned problem be present for existing technology, it is proposed that a kind of toothed region has preferable
Buffering effect and noise relatively low impact-resistant secondary speed change driving gear shaft during work.
The purpose of this utility model can be realized by following technical proposal：A kind of impact-resistant secondary speed change driving gear
Axle, including tubular body, one end of described body have toothed disc, and the other end of described body has external splines,
Characterized in that, it is equipped with the two side of described toothed disc using buffer part made of elastomeric material, described buffer part
It is corresponding one by one with described tooth form dish structure and position.
Because buffer part using elastomeric material is made and abutted on the two side of toothed disc, therefore work as a kind of this impact resistance
Secondary speed change driving gear shaft toothed disc engagement when, buffer part effectively play the effect of buffering and reduce toothed disc engagement pass
Noise when dynamic, the advantages of noise is relatively low when having work.
In a kind of above-mentioned impact-resistant secondary speed change driving gear shaft, described buffer part is poured into a mould with described toothed disc
Integrally.Buffer part pours into an integrated entity with toothed disc, has and connects the advantages of more firm.
Some add is provided with a kind of above-mentioned impact-resistant secondary speed change driving gear shaft, at the tooth root of described toothed disc
Oilhole, the inner intracavity inter-connection with described body of described tank filler sleeve.Some tank filler sleeves are provided with the tooth root of toothed disc,
The advantages of being easy to add lubricating oil toward in the cavity of this gear shaft.
In a kind of above-mentioned impact-resistant secondary speed change driving gear shaft, oil impregnating groove is equipped with the outside of described external splines
And described oil impregnating groove is connected with the keyway of the external splines.By setting above-mentioned oil impregnating groove, it is easy to external splines
It is lubricated.
In a kind of above-mentioned impact-resistant secondary speed change driving gear shaft, the both sides of described toothed disc are recessed provided with positioning
Groove, described buffer part are provided with the positioning convex body to match with detent.By positioning convex body in detent, increase
The bonding strength of toothed disc and buffer part is added.
In a kind of above-mentioned impact-resistant secondary speed change driving gear shaft, described body uses 20CrMnTi material systems
Into.
In a kind of above-mentioned impact-resistant secondary speed change driving gear shaft, the end face of one end of described body is provided with section
Trapezoidal resigning groove.
In a kind of above-mentioned impact-resistant secondary speed change driving gear shaft, the quantity of described resigning groove for 2 to 6 and
Described resigning groove is uniformly arranged centered on the axis of described body.
In a kind of above-mentioned impact-resistant secondary speed change driving gear shaft, described toothed disc is provided with oblique oil filler point, institute
The angle that the axis of the axis for the oblique oil filler point stated and described body is formed is in 45 degree.By setting above-mentioned oblique oil filler point,
It is easy to be lubricated the cavity of body, there is longer service life.
Compared with prior art, the impact-resistant secondary speed change driving gear shaft of this one kind has advantages below：
1st, because buffer part using elastomeric material is made and abutted on the two side of toothed disc, buffer part effectively plays
The effect of buffering and noise when reducing toothed disc engaged transmission, the advantages of noise is relatively low when having work；
2nd, buffer part and toothed disc pour into an integrated entity, and have and connect the advantages of more firm；
3rd, by setting above-mentioned oil impregnating groove, it is easy to be lubricated external splines；
4th, by setting above-mentioned oblique oil filler point, it is easy to be lubricated the cavity of body, there is longer service life.
Brief description of the drawings
Fig. 1 is a kind of this schematic cross-sectional view of impact-resistant secondary speed change driving gear shaft.
Fig. 2 is Fig. 1 K to schematic diagram.
Fig. 3 is Fig. 2 A-A schematic cross-sectional views.
In figure, 1, body 1；2nd, toothed disc 2；3rd, external splines 3；4th, buffer part 4；5th, tank filler sleeve 5；6th, oil impregnating groove 6；7、
Resigning groove 7；8th, oblique oil filler point 8；9th, detent 9；10th, positioning convex body 10.
Embodiment
It is specific embodiment of the utility model and with reference to accompanying drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these embodiments.
As shown in Figures 1 to 3, a kind of impact-resistant secondary speed change driving gear shaft, including be cylindrical in shape and use 20CrMnTi materials
Body 1 made of material, one end of body 1 have toothed disc 2, and the other end of body 1 has external splines 3, the two side of toothed disc 2
On be equipped with it is corresponding one by one using buffer part 4 made of elastomeric material, buffer part 4 and the structure of toothed disc 2 and position.Toothed disc
2 both sides are provided with detent 9, and buffer part 4 is provided with the positioning convex body 10 to match with detent 9, buffer part 4 with it is described
Toothed disc 2 pour into an integrated entity, have connect it is more firm the advantages of.
Some tank filler sleeves 5, the inner of tank filler sleeve 5 and the intracavity inter-connection of body 1 are provided with the tooth root of toothed disc 2.Outer flower
The outside of key 3 is equipped with oil impregnating groove 6 and oil impregnating groove 6 is connected with the keyway of the external splines 3, is easy to carry out external splines 3
Lubrication.
The end face of one end of body 1 is provided with the trapezoidal resigning groove 7 in section.The quantity of resigning groove 7 be 2 to 6 and
Described resigning groove 7 is uniformly arranged centered on the axis of body 1.Toothed disc 2 is provided with oblique oil filler point 8, oblique oil filler point 8
The angle that the axis of axis and body 1 is formed is in 45 degree.
Because buffer part 4 uses elastomeric material to be made and abuts on the two side of toothed disc 2, therefore work as a kind of this resistance to punching
When the toothed disc 2 of the secondary speed change driving gear shaft hit engages, buffer part 4 effectively plays the effect of buffering and reduces toothed disc 2
Noise during engaged transmission, the advantages of noise is relatively low when having work.Some tank filler sleeves 5 are provided with the tooth root of toothed disc 2, are easy to
In toward the cavity of this gear shaft the advantages of addition lubricating oil.By setting above-mentioned oblique oil filler point 8, it is easy to the cavity to body 1
It is lubricated, there is longer service life.
Specific embodiment described herein is only to the utility model spirit explanation for example.The utility model institute
Category those skilled in the art can make various modifications or supplement to described specific embodiment or using similar
Mode substitute, but without departing from spirit of the present utility model or surmount scope defined in appended claims.
Although more used herein body 1, toothed disc 2, external splines 3, buffer part 4, tank filler sleeve 5, oil impregnating groove 6,
The terms such as resigning groove 7, oblique oil filler point 8, detent 9, positioning convex body 10, but it is not precluded from the possibility using other terms
Property.It is used for the purpose of more easily describing and explaining essence of the present utility model using these terms；It is construed as any
A kind of additional limitation is all disagreed with the utility model spirit.
Claims (9)
1. a kind of impact-resistant secondary speed change driving gear shaft, including tubular body (1), one end tool of described body (1)
There is toothed disc (2), the other end of described body (1) has external splines (3), it is characterised in that the two of described toothed disc (2)
It is equipped with side wall using buffer part made of elastomeric material (4), described buffer part (4) and described toothed disc (2) structure
It is corresponding one by one with position.
2. the impact-resistant secondary speed change driving gear shaft of one kind according to claim 1, it is characterised in that described buffer part
(4) poured into an integrated entity with described toothed disc (2).
3. the impact-resistant secondary speed change driving gear shaft of one kind according to claim 1, it is characterised in that described toothed disc
(2) some tank filler sleeves (5) are provided with tooth root, the inner inner chamber with described body (1) of described tank filler sleeve (5) is connected
It is logical.
4. a kind of impact-resistant secondary speed change driving gear shaft according to claim 1 or 2 or 3, it is characterised in that described
Oil impregnating groove (6) is equipped with the outside of external splines (3) and described oil impregnating groove (6) is connected with the keyway of the external splines (3).
5. a kind of impact-resistant secondary speed change driving gear shaft according to claim 1 or 2 or 3, it is characterised in that described
The both sides of toothed disc (2) are provided with detent (9), and described buffer part (4) is provided with the positioning to match with detent (9)
Convex body (10).
6. a kind of impact-resistant secondary speed change driving gear shaft according to claim 1 or 2 or 3, it is characterised in that described
Body (1) is made of 20CrMnTi materials.
7. a kind of impact-resistant secondary speed change driving gear shaft according to claim 1 or 2 or 3, it is characterised in that described
The end face of one end of body (1) is provided with the trapezoidal resigning groove (7) in section.
8. the impact-resistant secondary speed change driving gear shaft of one kind according to claim 7, it is characterised in that described resigning is recessed
The quantity of groove (7) is 2 to 6 and described resigning groove (7) is uniformly arranged centered on the axis of described body (1).
9. a kind of impact-resistant secondary speed change driving gear shaft according to claim 1 or 2 or 3, it is characterised in that described
Toothed disc (2) is provided with oblique oil filler point (8), the axis of described oblique oil filler point (8) and the axis formation of described body (1)
Angle is in 45 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721078357.7U CN207145579U (en) | 2017-08-25 | 2017-08-25 | A kind of impact-resistant secondary speed change driving gear shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721078357.7U CN207145579U (en) | 2017-08-25 | 2017-08-25 | A kind of impact-resistant secondary speed change driving gear shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207145579U true CN207145579U (en) | 2018-03-27 |
Family
ID=61670120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721078357.7U Expired - Fee Related CN207145579U (en) | 2017-08-25 | 2017-08-25 | A kind of impact-resistant secondary speed change driving gear shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207145579U (en) |
-
2017
- 2017-08-25 CN CN201721078357.7U patent/CN207145579U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180327 Termination date: 20200825 |