CN209505350U - A kind of cast iron axle housing structure of laser welding - Google Patents
A kind of cast iron axle housing structure of laser welding Download PDFInfo
- Publication number
- CN209505350U CN209505350U CN201822161148.XU CN201822161148U CN209505350U CN 209505350 U CN209505350 U CN 209505350U CN 201822161148 U CN201822161148 U CN 201822161148U CN 209505350 U CN209505350 U CN 209505350U
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- CN
- China
- Prior art keywords
- axle housing
- central siphon
- cast
- iron axle
- laser welding
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/86—Optimisation of rolling resistance, e.g. weight reduction
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Abstract
The utility model belongs to automotive axle field, and in particular to a kind of cast iron axle housing structure of laser welding.Including cast-iron axle housing ontology and central siphon assembly；The central siphon assembly includes central siphon and retaining ring；After central siphon passes through retaining ring, central siphon one end is packed into the circular hole of cast-iron axle housing ontology；The central siphon other end is packed into the centre bore of hub bearing；One end face of the retaining ring is bonded with the end face of iron axle housing, connects two joint surfaces using the girth joint of laser welding.The other end of the retaining ring is bonded with the end face of hub bearing；The outer diameter of the retaining ring and the centre bore of oil sealing seat ring cooperate.The utility model connects cast-iron axle housing ontology and central siphon by using the technique of laser welding, reduces the weight and cost of central siphon；It replaces original bolt structure to be used for the axial limiting of central siphon with laser welding, improves the reliability that cast-iron axle housing ontology is connected with central siphon.
Description
Technical field
The utility model belongs to automotive axle field, and in particular to a kind of cast iron axle housing structure of laser welding.
Background technique
Domestic automobile drives in vehicle bridge, and cast-iron axle housing uses central siphon connected structure, i.e. most of insertion cast iron bridge of central siphon
Shell ontology, and fixed with screw axial.The weight of the axle case assy of such structure, central siphon is larger, and increases cost；Pin is fixed
Reliability it is low, often there is the problem of central siphon and cast-iron axle housing ontology are detached from, the bearing function of axle case assy caused to fail.
Utility model content
The utility model is to solve in existing driving vehicle bridge, since cast-iron axle housing uses central siphon connected structure, leads to central siphon
Weight is big, increased costs；Due to using pin feature axial restraint central siphon, lead to central siphon and cast-iron axle housing ontology connection reliability
It is low, and then the problems such as the bearing function failure of axle case assy, a kind of cast iron axle housing structure of laser welding is provided.
The utility model adopts the following technical scheme that realization:
A kind of cast iron axle housing structure of laser welding, including cast-iron axle housing ontology 4 and central siphon assembly 5；The central siphon assembly 5
Including central siphon 6 and retaining ring 7；
After the central siphon 6 passes through retaining ring 7,6 one end of central siphon is packed into the circular hole of cast-iron axle housing ontology 4；By 6 other end of central siphon
It is packed into the centre bore of hub bearing 3；
One end face of the retaining ring 7 is bonded with the end face of iron axle housing 4；The other end 9 of the retaining ring 7 and wheel hub
The end face of bearing 3 is bonded；The outer diameter of the retaining ring 7 and the centre bore of oil sealing seat ring 2 cooperate.
One end face of retaining ring 7 described in technical solution is bonded with the end face of cast-iron axle housing ontology 4, using laser welding
Girth joint connects two joint surfaces.
Cast-iron axle housing ontology described in technical solution 4, using two sections of borehole structure, two sections of circular holes are respectively circular hole A10
With circular hole B11, cooperate with the diameter of axle 8 of central siphon 6.
Retaining ring 7 described in technical solution is cooperated using the diameter of axle 8 of center hole structure and central siphon 6；The retaining ring 7 is equipped with annular groove
Structure is equipped with the through-hole of an axial direction on annular groove, gas circulation when for laser welding；End face and metal bridge with annular groove
The end face of shell ontology 4 is bonded.
The diameter of axle A1 of cast-iron axle housing ontology described in technical solution 4 is packed into the centre bore of oil sealing seat ring 2, cast-iron axle housing ontology
4 diameter of axle A1 shoulder is bonded with the end face of oil sealing seat ring 2.
Compared with prior art the beneficial effects of the utility model are:
A kind of cast iron axle housing structure of laser welding.Cast-iron axle housing ontology and axis are connected by using the technique of laser welding
Pipe, reduces the weight and cost of central siphon；It replaces original bolt structure to be used for the axial limiting of central siphon with laser welding, is promoted
The reliability that cast-iron axle housing ontology is connected with central siphon.
Detailed description of the invention
The utility model will be further described below with reference to the accompanying drawings:
Fig. 1 a is a kind of application site-axle assembly of the cast iron axle housing structure of laser welding described in the utility model
Main view；
Fig. 1 b is Fig. 1 a II to partial enlarged view；
Fig. 2 a is a kind of cast iron axle housing structure main view of laser welding described in the utility model；
Fig. 2 b is Fig. 2 a I to partial enlarged view；
Fig. 3 is a kind of central siphon assembly view of the cast iron axle housing structure of laser welding described in the utility model；
Fig. 4 is a kind of central siphon view of the cast iron axle housing structure of laser welding described in the utility model；
Fig. 5 a is a kind of retaining ring cross-sectional view of the cast iron axle housing structure of laser welding described in the utility model；
Fig. 5 b is a kind of retaining ring side view of the cast iron axle housing structure of laser welding described in the utility model；
Fig. 6 is a kind of this stereogram of the cast-iron axle housing of cast iron axle housing structure of laser welding described in the utility model；
Fig. 7 is that a kind of cast-iron axle housing ontology of the cast iron axle housing structure of laser welding described in the utility model uses two sections
Borehole structure schematic diagram；
In figure: 1. diameter of axle A, 2. oil sealing seat rings, 3. hub bearings, 4, cast-iron axle housing ontology, 5, central siphon assembly, 6. central siphons,
7. retaining ring, 8. diameters of axle, 9. end faces, 10. circular hole A, 11. circular hole B.
Specific embodiment
The utility model is further elaborated in conjunction with attached drawing.
A kind of cast iron axle housing structure of laser welding, including cast-iron axle housing ontology 4, central siphon assembly 5；The central siphon assembly 5,
Including central siphon 6, retaining ring 7, the diameter of axle A1 of the centre bore indentation cast-iron axle housing ontology 4 of oil sealing seat ring 2, the end face of oil sealing seat ring 2 with
The diameter of axle A1 shoulder of cast-iron axle housing ontology 4 is bonded；The centre bore of hub bearing 3 is packed into central siphon 6, the end face of hub bearing 3 and gear
The end face 9 of circle 7 is bonded.
Further technical solution are as follows:
The cast iron axle housing structure of the laser welding, the central siphon 6 of central siphon assembly 5 are pressed into the circular hole of cast-iron axle housing ontology 4, casting
The circular hole of iron axle housing 4 is divided into two parts to be cooperated with the central siphon 6 of central siphon assembly 5, for mitigating the weight of cast-iron axle housing ontology 4；
The end face of the retaining ring 7 of central siphon assembly 5 is bonded with the end face of cast-iron axle housing ontology 4, and using the girth joint of laser welding connection two
Joint surface.
The central siphon assembly 5, including central siphon 6, retaining ring 7, the centre bore of retaining ring 7 and the diameter of axle 8 of central siphon 6 cooperate；In retaining ring 7
With annular groove side, it is connect using circular weld with central siphon 6.
The central siphon 6 is connect using the diameter of axle 8 with retaining ring 7, and is cooperated with the centre bore of hub bearing 3.
The retaining ring 7 is cooperated using the diameter of axle 8 of center hole structure and central siphon 6；End face and iron axle housing with annular groove
4 end face fitting；Using groove structure, there is the through-hole of an axial direction on annular groove, gas circulation when for laser welding；Separately
One end face 9 is bonded with the end face of hub bearing 3；The outer diameter of retaining ring 7 and the centre bore of oil sealing seat ring 2 cooperate.
The cast-iron axle housing ontology 4 is cooperated using two sections of borehole structure with the diameter of axle 8 of central siphon 6；End face and retaining ring 7
End face is bonded and welds；The diameter of axle at both ends and the centre bore of oil sealing seat ring 2 cooperate.
B refering to fig. 1, the diameter of axle of the cast iron axle housing structure of the centre bore indentation laser welding of oil sealing seat ring 2, oil sealing seat ring 2
End face be bonded with the diameter of axle shoulder of the cast iron axle housing structure of laser welding；The centre bore of hub bearing 3 is packed into laser welding
The end face of the diameter of axle of cast iron axle housing structure, the cast iron axle housing structure of the end face and laser welding of hub bearing 3 is bonded.
Refering to Fig. 2 a, Fig. 2 b, the diameter of axle of central siphon assembly 5 is pressed into the circular hole of cast-iron axle housing ontology 4, cast-iron axle housing ontology 4
Circular hole is divided into two parts to be cooperated with the diameter of axle of central siphon assembly 5, for mitigating the weight of cast-iron axle housing ontology 4；The end face of central siphon assembly 5
It is bonded with the end face of cast-iron axle housing ontology 4, and two joint surfaces is connected using the girth joint of laser welding.
Refering to Fig. 3, central siphon assembly view, the centre bore of retaining ring 7 and the diameter of axle of central siphon 6 cooperate；Annular groove one is had in retaining ring 7
Side is connect using circular weld with central siphon 6.
Refering to Fig. 4, central siphon view is connect using the diameter of axle 8 with retaining ring 7, and is cooperated with the centre bore of hub bearing 3.
Refering to Fig. 5 a, Fig. 5 b, retaining ring view is cooperated using the diameter of axle of center hole structure and central siphon 6；End face with annular groove
It is bonded with the end face of iron axle housing 4；Using groove structure, there is the through-hole of an axial direction on annular groove, when being used for laser welding
Gas circulation；Other end is bonded with the end face of hub bearing 3；The centre bore of outer diameter and oil sealing seat ring 2 cooperates.
Refering to Fig. 6, Fig. 7, cast-iron axle housing ontology, using two sections of borehole structure, for mitigating the weight of cast-iron axle housing ontology 4
Amount；
Refering to Fig. 7, two sections of circular holes are respectively circular hole A10 and circular hole B11, are cooperated with the diameter of axle 8 of central siphon 6；
The end face of cast-iron axle housing ontology is bonded and welds with the end face of retaining ring 7；The cast-iron axle housing ontology both ends diameter of axle is all axis
Diameter A1, the diameter of axle A1 at both ends and the centre bore of oil sealing seat ring 2 cooperate.
Claims (5)
1. a kind of cast iron axle housing structure of laser welding, it is characterised in that: including cast-iron axle housing ontology (4) and central siphon assembly (5)；
The central siphon assembly (5) includes central siphon (6) and retaining ring (7)；
After the central siphon (6) passes through retaining ring (7), central siphon (6) one end is packed into the circular hole of cast-iron axle housing ontology (4)；By central siphon (6)
The other end is packed into the centre bore of hub bearing (3)；
One end face of the retaining ring (7) is bonded with the end face of iron axle housing (4)；The other end (9) of the retaining ring (7) with
The end face of hub bearing (3) is bonded；The outer diameter of the retaining ring (7) and the centre bore of oil sealing seat ring (2) cooperate.
2. a kind of cast iron axle housing structure of laser welding according to claim 1, it is characterised in that:
One end face of the retaining ring (7) is bonded with the end face of cast-iron axle housing ontology (4), is connected using the girth joint of laser welding
Two joint surfaces.
3. a kind of cast iron axle housing structure of laser welding according to claim 1, it is characterised in that:
The cast-iron axle housing ontology (4), using two sections of borehole structure, two sections of circular holes are respectively circular hole A (10) and circular hole B
(11), cooperate with the diameter of axle (8) of central siphon (6).
4. a kind of cast iron axle housing structure of laser welding according to claim 1, it is characterised in that:
The retaining ring (7) is cooperated using center hole structure and the diameter of axle (8) of central siphon (6)；The retaining ring (7) is equipped with groove structure,
The through-hole of an axial direction is equipped on annular groove, gas circulation when for laser welding；End face and metal bridge shell sheet with annular groove
The end face of body (4) is bonded.
5. a kind of cast iron axle housing structure of laser welding according to claim 1, it is characterised in that:
The diameter of axle A (1) of the cast-iron axle housing ontology (4) is packed into the centre bore of oil sealing seat ring (2), the axis of cast-iron axle housing ontology (4)
Diameter A (1) shoulder is bonded with the end face of oil sealing seat ring (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822161148.XU CN209505350U (en) | 2018-12-22 | 2018-12-22 | A kind of cast iron axle housing structure of laser welding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822161148.XU CN209505350U (en) | 2018-12-22 | 2018-12-22 | A kind of cast iron axle housing structure of laser welding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209505350U true CN209505350U (en) | 2019-10-18 |
Family
ID=68196334
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822161148.XU Active CN209505350U (en) | 2018-12-22 | 2018-12-22 | A kind of cast iron axle housing structure of laser welding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209505350U (en) |
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2018
- 2018-12-22 CN CN201822161148.XU patent/CN209505350U/en active Active
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