CN206738376U - A kind of automobile using high hardness wear-resisting rotating shaft - Google Patents
A kind of automobile using high hardness wear-resisting rotating shaft Download PDFInfo
- Publication number
- CN206738376U CN206738376U CN201720447145.5U CN201720447145U CN206738376U CN 206738376 U CN206738376 U CN 206738376U CN 201720447145 U CN201720447145 U CN 201720447145U CN 206738376 U CN206738376 U CN 206738376U
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- China
- Prior art keywords
- rotating shaft
- level
- level projection
- layer
- automobile
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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.)
- Expired - Fee Related
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- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The utility model discloses a kind of automobile using high hardness wear-resisting rotating shaft, is made up of axle main body, first connecting portion, second connecting portion, and first connecting portion is provided with multistage projection, multistage neck, concave surface etc., forms location mechanism, repeatedly continuously and positioning element（Such as bearing block）Positioning, ensure the steadiness of linking, and the rotating shaft is formed by the alternate stacking of metal platinum layer of different grain aspect ratios, because the constituent material of each metal platinum layer is different, then exist and deform without having to worry about different wait of thermal expansion amount, make rotating shaft that there is substantially uniform intensity on the whole, and it is very firm wear-resisting.
Description
Technical field
Hardware products art is the utility model is related to, refers in particular to a kind of automobile using high hardness wear-resisting rotating shaft.
Background technology
The manufacturing process of in general rotating shaft is：First, alloy pig block is carried out rolling processing etc. to prepare rectangular plate
Material, the sheet material is wound, the docking section engagement at both ends is formed as into tube shape.Next, by drawbench etc. to this
Pipe carry out drawing processing, so as to produce defined size, wall thickness axle.Have at high temperature however, automobile using rotating shaft is exposed to
In sticking solution, and carry out prolonged rotary motion.On this point, rotary shaft can be by supporting vapour at high temperature
Stress and big load suffered by the weight of car part or at work automobile component.Therefore, set with corresponding thickness
Meter, abrasion and deformation easily occurs.
Utility model content
In view of this, in view of the existing deficiencies of the prior art, its main purpose is to provide a kind of automobile using to the utility model
High hardness wear-resisting rotating shaft.
To achieve the above object, the utility model is using following technical scheme：
A kind of automobile using high hardness wear-resisting rotating shaft, including axle main body, be arranged at axle main body both ends first connecting portion, second
Connecting portion, the first connecting portion are provided with one-level projection, two level projection, three-level projection, and the diameter of the one-level projection is less than two level
The diameter of projection, the diameter of the two level projection is equal with the diameter of three-level projection, is provided between the one-level projection and two level projection
Two level neck is provided between one-level neck, the two level projection and three-level projection, three-level is provided between the three-level projection and axle main body
Neck, and the one-level projection and two level projection are provided with concave surface, and the end face of the second connecting portion is provided with longitudinal neck, should
Axle main body, first connecting portion and second connecting portion are integral type structure, and the cross section of rotating shaft is sandwich construction, including multilayer crystal grain
Aspect ratio different the first metal platinum layer and the second metal platinum layer, the first metal platinum layer stacking alternate with the second metal platinum layer are set
Put, and the outermost layer of the cross section of rotating shaft is enclosed with guard metal layer.
As a kind of preferred scheme, each layer the first metal platinum layer is by the way that sheet material is wound into each the second metal of layer platinum layer
Tubulose and the pipe that the sheet material both ends of abutting are engaged and formed.
As a kind of preferred scheme, each layer the first metal platinum layer is engaged or forged by diffusion with each layer the second metal platinum layer
Engagement is integral.
As a kind of preferred scheme, the concave surface is the corrugated surface, arc transiting surface, perpendicular gradually risen by flat and both sides
Face composition directly, the corrugated surface extends to two level projection by the end of one-level projection, and the arc transiting surface is connected to corrugated surface with erecting
Between facing directly.
As a kind of preferred scheme, the arc radius of the arc transiting surface is 1mm.
As a kind of preferred scheme, the one-level neck is provided with the rounding arc that can remove burr close to one end of two level projection
Structure.
As a kind of preferred scheme, a diameter of 0.3mm of the rounding arc structure.
The utility model has clear advantage and beneficial effect compared with prior art, specifically, by above-mentioned technology
Scheme understands that it is made up of mainly due to rotating shaft axle main body, first connecting portion, second connecting portion, is set in first connecting portion
There are multistage projection, multistage neck, concave surface etc., form location mechanism, repeatedly continuously and positioning element（Such as bearing block）Positioning, really
The steadiness of linking is protected, and the rotating shaft is formed by the alternate stacking of metal platinum layer of different grain aspect ratios, due to each gold
Belong to the constituent material difference of platinum layer, then waited without having to worry about the different of thermal expansion amount in the presence of deforming, rotating shaft is had on the whole
There is substantially uniform intensity, and it is very firm wear-resisting.
More clearly to illustrate architectural feature and effect of the present utility model, come below in conjunction with the accompanying drawings with specific embodiment pair
The utility model is described in detail.
Brief description of the drawings
Fig. 1 is the rotating shaft front view of the embodiment of the utility model.
Fig. 2 is the sectional view at H in Fig. 1.
Fig. 3 is the rotating shaft left view of the embodiment of the utility model.
Fig. 4 is the rotating shaft sectional view of the embodiment of the utility model.
Accompanying drawing identifier declaration：
10th, axle main body 11, the first metal platinum layer
12nd, the second metal platinum layer 13, guard metal layer
20th, first connecting portion 21, one-level projection
22nd, two level projection 23, three-level projection
24th, one-level neck 25, two level neck
26th, three-level neck 27, concave surface
271st, corrugated surface 272, arc transiting surface
273rd, vertical plane 30, second connecting portion
31st, longitudinal neck.
Embodiment
It refer to shown in Fig. 1 to Fig. 4, that show the concrete structure of the preferred embodiment of the utility model, is a kind of
Including axle main body 10, the first connecting portion 20 for being arranged at the both ends of axle main body 10, second connecting portion 30, the axle main body 10, first connects
Socket part 20 and second connecting portion 30 are integral type structure.
Wherein, the first connecting portion 20 is provided with one-level projection 21, two level projection 22, three-level projection 23, the one-level projection
21 diameter is less than the diameter of two level projection 22, and the diameter of the two level projection 22 is equal with the diameter of three-level projection 23, the one-level
It is provided between projection 21 and two level projection 22 and two level neck is provided between one-level neck 24, the two level projection 22 and three-level projection 23
25, three-level neck 26 is provided between the three-level projection 23 and axle main body 10, necks at different levels form location mechanism with projections at different levels, more
It is secondary continuously and positioning element（Such as bearing block）Positioning.
And the one-level projection 21 and two level projection 22 are provided with concave surface 27, it is ensured that can not be rotated against after positioning.This reality
Apply in example, the concave surface 27 is 273 groups of corrugated surface 271, arc transiting surface 271, the vertical plane gradually risen by flat and both sides
Into the corrugated surface 271 extends to two level projection 22 by the end of one-level projection 21, and the arc transiting surface 271 is connected to corrugated surface
Between 271 and vertical plane 273.The arc radius of the arc transiting surface 271 is 1mm.So, corrugated surface 271 be have it is recessed
Position, relative positioning element can set convex portion to be fastened with lower recess, form locking structure, it is ensured that fixation does not produce shifting after linking
Position.In the present embodiment, the one-level neck 24 is provided with the rounding arc structure that can remove burr close to one end of two level projection 22.Institute
The diameter for stating rounding arc structure is preferably 0.3mm, but is not limited.
The end face of the second connecting portion 30 is provided with longitudinal neck 31, is positioned for being formed with joint unit.
As shown in figure 4, the cross section of rotating shaft is sandwich construction, including the first metal platinum layer that multilayer grain aspect ratio is different
11 and the second metal platinum layer 12, the first metal platinum layer 11 and 12 alternate stack of the second metal platinum layer are set, and the horizontal stroke of rotating shaft
The outermost layer in section is enclosed with guard metal layer 13, and guard metal layer 13 undertakes corrosion resistance.For example, the first metal platinum layer 11 exists
Grain aspect ratio (length direction/radial direction) in the material structure in length direction section is 10~100, also, the second metal platinum
12 grain aspect ratio (circumferencial direction/cross-wise direction) in the material structure in circumferencial direction section of layer is 5~100.By each
The constituent material of metal platinum layer is different, then exists and deform without having to worry about different wait of thermal expansion amount, make rotating shaft on the whole
It is firm wear-resisting with substantially uniform intensity, and very.In the present embodiment, each the first metal of layer platinum layer 11 and each gold medal of layer second
Category platinum layer 12 is by the way that sheet material is wound into tubulose and the sheet material both ends of abutting are engaged into the pipe to be formed.Each metal of layer first
Platinum layer 11 engages or forged engagement by diffusion with each the second metal of layer platinum layer 12 and is integral.
In summary, design focal point of the present utility model is, it mainly due to rotating shaft is connected by axle main body 10, first
Socket part 20, second connecting portion 30 form, and first connecting portion 20 is provided with multistage projection, multistage neck, concave surface 27 etc., form positioning
Mechanism, repeatedly continuously and positioning element（Such as bearing block）Positioning, it is ensured that the steadiness of linking, and the rotating shaft are by difference
The alternate stacking of metal platinum layer of grain aspect ratio forms, because the constituent material of each metal platinum layer is different, then swollen without having to worry about heat
The difference of bulk waits and exists and deform, and rotating shaft is had substantially uniform intensity on the whole, and very firm wear-resisting.
It is described above, only it is preferred embodiment of the present utility model, not technical scope of the present utility model is made
Any restrictions, therefore every any trickle amendment made according to the technical essence of the utility model to above example, equivalent change
Change and modification, in the range of still falling within technical solutions of the utility model.
Claims (7)
- A kind of 1. automobile using high hardness wear-resisting rotating shaft, it is characterised in that：Including axle main body, be arranged at axle main body both ends first connect Socket part, second connecting portion, the first connecting portion are provided with one-level projection, two level projection, three-level projection, the diameter of the one-level projection Less than the diameter of two level projection, the diameter of the two level projection is equal with the diameter of three-level projection, the one-level projection and two level projection Between be provided with two level neck is provided between one-level neck, the two level projection and three-level projection, between the three-level projection and axle main body Provided with three-level neck, and the one-level projection and two level projection are provided with concave surface, and the end face of the second connecting portion, which is provided with, indulges To neck, axle main body, first connecting portion and the second connecting portion are integral type structure, and the cross section of rotating shaft is sandwich construction, bag Include multilayer grain aspect ratio different the first metal platinum layer and the second metal platinum layer, the first metal platinum layer and the second metal platinum layer Alternate stack is set, and the outermost layer of the cross section of rotating shaft is enclosed with guard metal layer.
- A kind of 2. automobile using high hardness wear-resisting rotating shaft according to claim 1, it is characterised in that：Each the first metal of layer platinum layer It is by the way that sheet material is wound into tubulose and the sheet material both ends abutted are engaged into the pipe to be formed with each the second metal of layer platinum layer.
- A kind of 3. automobile using high hardness wear-resisting rotating shaft according to claim 2, it is characterised in that：Each the first metal of layer platinum layer Engagement is engaged or forges with each layer the second metal platinum layer by diffusion to be integral.
- A kind of 4. automobile using high hardness wear-resisting rotating shaft according to claim 1, it is characterised in that：The concave surface is by flat And corrugated surface, arc transiting surface, the vertical plane composition that both sides gradually rise, the corrugated surface extend to two by the end of one-level projection Level projection, the arc transiting surface are connected between corrugated surface and vertical plane.
- A kind of 5. automobile using high hardness wear-resisting rotating shaft according to claim 4, it is characterised in that：The arc transiting surface Arc radius is 1mm.
- A kind of 6. automobile using high hardness wear-resisting rotating shaft according to claim 1, it is characterised in that：The one-level neck is close One end of two level projection is provided with the rounding arc structure that can remove burr.
- A kind of 7. automobile using high hardness wear-resisting rotating shaft according to claim 6, it is characterised in that：The rounding arc structure A diameter of 0.3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720447145.5U CN206738376U (en) | 2017-04-26 | 2017-04-26 | A kind of automobile using high hardness wear-resisting rotating shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720447145.5U CN206738376U (en) | 2017-04-26 | 2017-04-26 | A kind of automobile using high hardness wear-resisting rotating shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206738376U true CN206738376U (en) | 2017-12-12 |
Family
ID=60560741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720447145.5U Expired - Fee Related CN206738376U (en) | 2017-04-26 | 2017-04-26 | A kind of automobile using high hardness wear-resisting rotating shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206738376U (en) |
-
2017
- 2017-04-26 CN CN201720447145.5U patent/CN206738376U/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: 20171212 Termination date: 20210426 |