CN209164352U - A kind of automobile engine torsion shaft - Google Patents
A kind of automobile engine torsion shaft Download PDFInfo
- Publication number
- CN209164352U CN209164352U CN201821555176.3U CN201821555176U CN209164352U CN 209164352 U CN209164352 U CN 209164352U CN 201821555176 U CN201821555176 U CN 201821555176U CN 209164352 U CN209164352 U CN 209164352U
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- main shaft
- automobile engine
- torsion shaft
- shaft section
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Abstract
The utility model discloses a kind of automobile engine torsion shafts, are related to axial workpiece technical field, including main shaft section and are shaped in the countershaft section of main shaft section one end, machine-shaping has milling plane in countershaft section, and milling plane is parallel with the axis of main shaft section；Also machine-shaping has locating slot on end face of the main shaft section far from countershaft section one end.The utility model provides install convenient, and processing quality is higher, and helps to improve a kind of automobile engine torsion shaft of installation accuracy and installation effectiveness.
Description
Technical field
The utility model relates to a kind of axial workpiece more particularly to a kind of automobile engine torsion shafts.
Background technique
Axial workpiece is one of common part, is widely used in various machinery equipments.Torsion shaft is mainly used for automobile hair
In motivation, for cooperating other component that fuel-oil waste-gas is discharged, belong to small Miniature precision axis.This small miniature torsion shaft is being installed
When, since part size specification is smaller, it is desirable to realize that accurate positioning there are certain difficulty, is led to it inside automobile engine
It causes installation inconvenient, seriously restricts installation effectiveness.
Utility model content
Inconvenient problem is positioned when for assembling present in existing torsion shaft, the purpose of the utility model is to provide one kind
Automobile engine torsion shaft improves the convenience of torsion shaft installation, helps to improve installation using locating slot and milling plane
Efficiency.
To achieve the above object, the utility model provides following technical solution:
A kind of automobile engine torsion shaft including main shaft section and is shaped in the countershaft section of main shaft section one end, described
Machine-shaping has milling plane in countershaft section, and the milling plane is parallel with the axis of main shaft section；The main shaft section is far from countershaft
Also machine-shaping has locating slot on the end face of Duan Yiduan.
By using above-mentioned technical proposal, milling plane and locating slot are located at the two sides of the torsion shaft length direction,
In actual assembled, milling plane and locating slot can the two sides respectively to torsion shaft length direction position, can not only protect
Demonstrate,prove the accuracy of torsion shaft installation rear axle line position, moreover it is possible to guarantee the accuracy of the torsion shaft setting angle.Pass through this side
Formula greatly improves the convenience of torsion shaft installation, improves installation effectiveness indirectly.
The utility model is further arranged to: the locating slot is radially extended along main shaft section, and its extending direction and institute
It is vertical to state milling plane.
By using above-mentioned technical proposal, it is ensured that locating slot is radially extended along main shaft section, can guarantee that main shaft section is separate
Countershaft section one end after installation is complete to neutrality；Meanwhile the extending direction of locating slot is vertical with milling plane, locating slot and milling
The face of scabbling cooperates the rotation that can effectively limit either end in the torsion shaft both ends jointly, guarantees the installation accuracy of the torsion shaft.
The utility model is further arranged to: indent forms positioning on the end face of the countershaft section far from main shaft section one end
Groove.
By using above-mentioned technical proposal, positioning groove can play positioning far from one end of main shaft section to countershaft section and make
With guarantee countershaft section is far from main shaft section one end to neutrality.
The utility model is further arranged to: the milling plane is with respect to the flatness tolerance of main shaft section axis
0.02mm, and squareness tolerance of the milling plane with respect to main shaft section close to countershaft section one end end face is 0.02mm.
By using above-mentioned technical proposal, the relevant geometric tolerance of strict control milling plane guarantees adding for milling plane
Work precision improves the installation accuracy of the torsion shaft indirectly.
The utility model is further arranged to: the two sidewalls in the locating slot positioned at its bottom width direction two sides are parallel
And it is symmetrical, the parallelism tolerance of the relatively described milling plane in two sidewalls is 0.05mm, and the symmetry of its opposite main shaft section axis
Tolerance is 0.06mm.
By using above-mentioned technical proposal, the relevant geometric tolerance of strict control locating slot guarantees the processing essence of locating slot
Degree, further increases the installation accuracy of torsion shaft.
The utility model is further arranged to: the countershaft section includes that main shaft section one end is axially set in turn in along main shaft section
Knurled segment and smooth section, the knurled segment constitute curved surfaces away from the side of milling plane, the curved surfaces are equipped with
Annular knurl.
By using above-mentioned technical proposal, annular knurl can play anti-skidding effect, facilitate staff to hold and take, and improve indirectly
The convenience of installation.
The utility model is further arranged to: the knurled segment is at it respectively close to being turned at main shaft section and smooth section
Type has annular knurl escape groove.
It can be avoided main shaft section and smooth section close to knurled segment by annular knurl escape groove by using above-mentioned technical proposal
It is damaged when being in processing annular knurl, guarantees the processing quality of the torsion shaft.
The utility model is further arranged to: intersection's machine-shaping of the milling plane and main shaft section adjacent face has
Chamfering.
By using above-mentioned technical proposal, above-mentioned chamfering not only facilitate improve the torsion shaft installation and convenience, also
Facilitate deburring, and can also prevent stress from concentrating.
The utility model is further arranged to: torsion shaft surface roughness Rz is at most 1.5 μm.
By using above-mentioned technical proposal, the surface roughness of the strict control torsion shaft after processing is completed guarantees that this is turned over
The processing quality of shaft guarantees the installation accuracy of the torsion shaft indirectly.
In conclusion the utility model has the following beneficial effects:
1, milling plane and locating shaft are comprehensively utilized, while effective position is carried out to the both ends of torsion shaft, is not only facilitated
Improve the installation accuracy of the torsion shaft, moreover it is possible to which the convenience for improving torsion shaft installation indirectly helps to improve installation effectiveness；
2, the geometric tolerance and surface roughness at each position of the strict control torsion shaft greatly improves adding for the torsion shaft
Working medium amount improves the installation accuracy of the torsion shaft indirectly.
Detailed description of the invention
Fig. 1 is that the utility model is mainly used for embodying the integrally-built front view of the torsion shaft；
Fig. 2 is the partial enlarged view of part A in Fig. 1, is mainly used for embodying annular knurl escape groove；
Fig. 3 is that the utility model is mainly used for embodying the right view of the torsion shaft end face structure.
Appended drawing reference: 1, main shaft section；101, locating slot；2, countershaft section；21, knurled segment；211, annular knurl；212, annular knurl avoids
Slot；22, smooth section；221, positioning groove；3, milling plane；4, chamfering.
Specific embodiment
With reference to the accompanying drawings and examples, the utility model is described in detail.
Referring to attached drawing 1, a kind of automobile engine torsion shaft, main shaft section 1 and the countershaft for being shaped in 1 one end of main shaft section
Section 2, the length direction of countershaft section 2 is parallel with the axis of main shaft section 1.
Machine-shaping has milling plane 3 in countershaft section 2, and milling plane 3 and the axis of main shaft section 1 are set in parallel.Meanwhile
The flatness tolerance axial with respect to main shaft section 1 of milling plane 3 is 0.02mm, and the opposite main shaft section 1 of milling plane 3 is close to countershaft section
The squareness tolerance of 2 one end end face is 0.02m；To avoid stress from concentrating, the friendship of the milling plane 3 and 1 adjacent face of main shaft section
Also machine-shaping has chamfering 4 at remittance.
In conjunction with attached drawing 2-3, countershaft section 2 includes axially being set in turn in main shaft section 1 close to 2 one end of countershaft section along main shaft section 1
Knurled segment 21 and smooth section 22；Wherein, knurled segment 21 is curved surfaces away from the side of milling plane 3, is led on curved surfaces
The mode machine-shaping for crossing thread rolling has annular knurl 211, and annular knurl 211 can play the role of effectively anti-skidding.Meanwhile to avoid main shaft section 1
It is damaged at knurled segment 21 with smooth section 22, knurled segment 21 is at it respectively close to equal vehicle at main shaft section 1 and smooth section 22
It cuts and forms annular knurl escape groove 212.In addition, above-mentioned smooth section 22 is far from rolling to further increase the installation accuracy of the torsion shaft
Also indent forms positioning groove 221 on the end face of flower 21 one end of section, which is located exactly at 1 axis of main shaft section
On extension line.
Referring to attached drawing 1, machine-shaping has locating slot 101 on end face of the main shaft section 1 far from 2 one end of countershaft section, the locating slot
101 can be straight trough, and locating slot 101 extends radially through entire main shaft section 1 along main shaft section 1.It is located at its ground in locating slot 101
The two sidewalls of width direction two sides are parallel to each other and are symmetrical set；For the processing quality for guaranteeing the torsion shaft, above-mentioned two sidewalls
The parallelism tolerance of opposite milling plane 3 is 0.05mm, and the axial symmetry tolerance of opposite main shaft section 1 is 0.06mm.
Meanwhile in the actual processing process, each position of the torsion shaft is by being repeatedly ground, each portion on the final torsion shaft
The surface roughness Rz of position (except 211 part of annular knurl on knurled segment 21) is no more than 1.5 μm, and the surface that the torsion shaft is effectively ensured adds
Working medium amount improves the installation accuracy of the torsion shaft indirectly.
The working principle of the present embodiment is: in actual installation, locating slot 101 can be to main shaft section 1 far from countershaft section 2
Circumferentially positioned effect is played simultaneously in one end, and milling plane 3 can play circumferentially positioned effect to countershaft section 2；Meanwhile if
Be placed in countershaft section 2 far from the positioning groove 221 on 1 one end end face of main shaft section can also be effectively ensured the torsion shaft to neutrality；This
Outside, by the processing quality of the strict control torsion shaft, the installation accuracy of the torsion shaft is improved indirectly.It can be seen that passing through
Aforesaid way not only facilitates the installation accuracy for improving the torsion shaft, moreover it is possible to which the convenience for improving torsion shaft installation indirectly has
Help improve installation effectiveness.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but
As long as all by the protection of Patent Law in the scope of the claims of the utility model.
Claims (9)
1. a kind of automobile engine torsion shaft, which is characterized in that including main shaft section (1) and be shaped in main shaft section (1) one
The countershaft section (2) at end, machine-shaping has milling plane (3) on the countershaft section (2), the milling plane (3) and main shaft section (1)
Axis it is parallel；The main shaft section (1) has locating slot (101) far from also machine-shaping on the end face of countershaft section (2) one end.
2. a kind of automobile engine torsion shaft according to claim 1, which is characterized in that locating slot (101) edge
Main shaft section (1) radially extends, and its extending direction is vertical with the milling plane (3).
3. a kind of automobile engine torsion shaft according to claim 1, which is characterized in that the countershaft section (2) is separate
Indent forms positioning groove (221) on the end face of main shaft section (1) one end.
4. a kind of automobile engine torsion shaft according to claim 1, which is characterized in that milling plane (3) phase
Flatness tolerance to main shaft section (1) axis is 0.02mm, and the milling plane (3) is with respect to main shaft section (1) close countershaft section
(2) squareness tolerance of one end end face is 0.02mm.
5. a kind of automobile engine torsion shaft according to claim 1, which is characterized in that in the locating slot (101)
Two sidewalls positioned at its bottom width direction two sides are parallel and symmetrical, and the depth of parallelism of the relatively described milling plane (3) in two sidewalls is public
Difference is 0.05mm, and it is 0.06mm with respect to the symmetry tolerance of main shaft section (1) axis.
6. a kind of automobile engine torsion shaft according to any one of claims 1-5, which is characterized in that the countershaft
Section (2) includes the knurled segment (21) and smooth section (22) that main shaft section (1) one end is axially set in turn in along main shaft section (1), described
Knurled segment (21) constitutes curved surfaces away from the side of milling plane (3), and the curved surfaces are equipped with annular knurl (211).
7. a kind of automobile engine torsion shaft according to claim 6, which is characterized in that the knurled segment (21) is at it
Annular knurl escape groove (212) are formed respectively close to equal turning at main shaft section (1) and smooth section (22).
8. a kind of automobile engine torsion shaft according to any one of claims 1-5, which is characterized in that the milling
Intersection's machine-shaping of plane (3) and main shaft section (1) adjacent face has chamfering (4).
9. a kind of automobile engine torsion shaft according to any one of claims 1-5, which is characterized in that the torsion shaft
Surface roughness Rz is at most 1.5 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821555176.3U CN209164352U (en) | 2018-09-21 | 2018-09-21 | A kind of automobile engine torsion shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821555176.3U CN209164352U (en) | 2018-09-21 | 2018-09-21 | A kind of automobile engine torsion shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209164352U true CN209164352U (en) | 2019-07-26 |
Family
ID=67331950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821555176.3U Active CN209164352U (en) | 2018-09-21 | 2018-09-21 | A kind of automobile engine torsion shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209164352U (en) |
-
2018
- 2018-09-21 CN CN201821555176.3U patent/CN209164352U/en active Active
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