CN207634650U - A kind of transfer gear intermediate shaft structure - Google Patents
A kind of transfer gear intermediate shaft structure Download PDFInfo
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- CN207634650U CN207634650U CN201721702298.6U CN201721702298U CN207634650U CN 207634650 U CN207634650 U CN 207634650U CN 201721702298 U CN201721702298 U CN 201721702298U CN 207634650 U CN207634650 U CN 207634650U
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- gear
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- gear shaft
- shaft
- linkage section
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Abstract
The utility model provides a kind of transfer gear intermediate shaft structure, includes the gear shaft I and gear shaft II of coaxial arrangement, and gear shaft I includes bearing support section I, gear segment I and linkage section I, and gear shaft II includes bearing support section II, gear segment II and linkage section II.Wherein, it is provided with annular sinking section on the end face of linkage section I, annular protrusion section is provided on the end face of linkage section II, annular protrusion section is connected with annular sinking section, and is fixed by welding realization.In addition, the middle part of gear shaft I is provided with lightening hole I along its axis direction, the middle part of gear shaft II is provided with lightening hole II along its axis direction.The utility model is simple in structure, reasonable design, is made of II two parts of gear shaft I and gear shaft, manufacture craft is simple, does not need complicated assembly, can improve the processing efficiency of gear shaft, and has the advantages that failure rate is low, with high accuracy from heavy and light, machining accuracy and cooperation, be worthy to be popularized.
Description
Technical field
The utility model is related to auto parts and components technical field of structures, specifically a kind of transfer gear intermediate shaft structure.
Background technology
The jackshaft of transfer gear is the structure that torque and rotating speed are transmitted to output shaft by input shaft.Mainly pass through two teeth
Wheel is engaged with the high and low gear gear and output gear of input shaft respectively, to transmit torque and rotating speed.Existing transfer gear jackshaft
Assembly is made of solid shafting gear shaft, gear wheel, washer, circlip, and gear wheel is connected by spline matches with solid gear shaft
It closes, axial limiting is carried out by circlip.Such structure leads to that part category is more, assembly technology is complicated, there are it is of high cost,
High failure rate and from great disadvantage.
Utility model content
The purpose of this utility model is exactly in order to solve the problems existing in the prior art, and to devise among a kind of transfer gear
Axle construction had both met the requirement that transfer case assembly transmits torque, was provided simultaneously with simple in structure, easy to assembly, small and cost of conducting oneself with dignity
Low advantage.
The technical solution of the utility model is：The utility model provides a kind of transfer gear intermediate shaft structure, including coaxial
The gear shaft I and gear shaft II of setting, the gear shaft I include bearing support section I, gear segment I and linkage section I, the gear
Axis II includes bearing support section II, gear segment II and linkage section II, and the linkage section I is fixedly connected with linkage section II.
It is provided with annular sinking section on the end face of above-mentioned linkage section I, convex annular is provided on the end face of the linkage section II
Section is played, the annular protrusion section is connected with annular sinking section, and realizes and fix by welding.Preferably, annular is sunk
Section is coaxially disposed with gear shaft I, and the annular protrusion section is coaxially disposed with gear shaft II.
The middle part of said gear axis I is provided with lightening hole I along its axis direction, and the middle part of the gear shaft II is along its axis
Direction is provided with lightening hole II, and the aperture of the lightening hole I is less than the internal diameter of the annular sinking section, the hole of the lightening hole II
Diameter is less than the internal diameter of the annular protrusion section.
It is respectively arranged with the gear teeth on the peripheral surface of said gear section I and gear segment II.
The beneficial effects of the utility model can obtain through the above scheme：1, in the utility model transfer gear jackshaft by tooth
II two parts of wheel shaft I and gear shaft are constituted, and have both met the requirement that transfer case assembly transmits torque, while manufacture craft is simple,
Complicated assembly is not needed, the processing efficiency of gear shaft can be improved, and have the advantages that failure rate is low；2, the utility model
Middle gear and axis integrated design position, processing essence compared to the clearance fit of existing gear and axis and by pin key
Degree and cooperation precision are high, can increase transmission torque；3, it is respectively arranged with and subtracts on the utility model middle gear axis I and gear shaft II
Repeated hole can reduce the quality of transfer gear jackshaft, have the advantages that dead weight is small and at low cost, and the utility model is simple in structure,
Reasonable design is worthy to be popularized.
It can be seen that the utility model has substantive features and progress compared with prior art, the beneficial effect implemented
Fruit is also obvious.
Description of the drawings：
Fig. 1 is the structural schematic diagram of the utility model；
Wherein, 1 is bearing support section I, and 2 be gear segment I, and 3 be the gear teeth, and 4 be linkage section I, and 5 be annular protrusion section, and 6 be wheel
Tooth, 7 be gear segment II, and 8 be bearing support section II, and 9 be lightening hole II, and 10 be annular sinking section, and 11 be lightening hole I, and 12 be company
Connect section II.
Specific implementation mode：
The utility model in order to better understand explains in detail the embodiment of the utility model below in conjunction with the accompanying drawings.
Specific implementation mode：The utility model provides a kind of transfer gear intermediate shaft structure, includes the gear of coaxial arrangement
Axis I and gear shaft II, the gear shaft I include bearing support section I 1, gear segment I 2 and linkage section I 4, and the gear shaft II includes
It is respectively arranged with wheel on the peripheral surface of bearing support section II 8, gear segment II 7 and linkage section II 12, gear segment I 2 and gear segment II 7
Tooth 3, linkage section I 4 are fixedly connected with linkage section II 12.
As shown in Figure 1, being provided with annular sinking section 10 on the end face of linkage section I 4, annular sinking section 10 is same with gear shaft I
Axis is arranged, and annular protrusion section 5 is provided on the end face of linkage section II 12, annular protrusion section 5 is coaxially disposed with gear shaft II, described
Annular protrusion section 5 is connected with annular sinking section 10, can fast implement the accurate positionin of gear shaft I and gear shaft II, and
Fixation is realized by welding.Further, the middle part of gear shaft I is provided with lightening hole I 11 along its axis direction, gear shaft II
Middle part is provided with lightening hole II 9 along its axis direction, and the aperture of lightening hole I 11 is less than the internal diameter of the annular sinking section 10, subtracts
The aperture of repeated hole II 9 is less than the internal diameter of the annular protrusion section 5.By the design, the quality of transfer gear jackshaft can be reduced,
Have the advantages that dead weight is small and at low cost.After gear shaft I and gear shaft II are integrally welded, according still further to requiring, to gear, outer
Circle, end face are processed.The welding manner, can be by electron beam soldering method, but is not limited to above-mentioned welding manner.
Transfer gear jackshaft provided by the utility model is made of II two parts of gear shaft I and gear shaft, manufacture craft
Simply, complicated assembly is not needed, the processing efficiency of gear shaft can be improved, and have the advantages that failure rate is low；In addition, this
Utility model middle gear and axis integrated design are positioned compared to the clearance fit of existing gear and axis and by pin key,
Its machining accuracy and cooperation precision are high, can increase transmission torque.The utility model is simple in structure, and reasonable design is worthy to be popularized.
Said structure design can also apply to other gear shaft structures, to realize that manufacture craft is simple, easy to assembly and process essence
Spend and coordinate advantage with high accuracy.
The above description is not intended to limit the present invention, and the utility model is also not limited to the example above, this skill
The variations, modifications, additions or substitutions that the those of ordinary skill in art field is made in the essential scope of the utility model, are also answered
Belong to the scope of protection of the utility model.
Claims (5)
1. a kind of transfer gear intermediate shaft structure, it is characterised in that：Gear shaft I including coaxial arrangement and gear shaft II, the tooth
Wheel shaft I includes bearing support section I, gear segment I and linkage section I, and the gear shaft II includes bearing support section II, II and of gear segment
Linkage section II, the linkage section I are fixedly connected with linkage section II.
2. transfer gear intermediate shaft structure as described in claim 1, it is characterised in that：It is provided on the end face of the linkage section I
Annular sinking section, annular protrusion section is provided on the end face of the linkage section II, and the annular protrusion section is matched with annular sinking section
Connection is closed, and fixation is realized by welding.
3. transfer gear intermediate shaft structure as claimed in claim 2, it is characterised in that：The annular sinking section and gear shaft I are same
Axis is arranged, and the annular protrusion section is coaxially disposed with gear shaft II.
4. transfer gear intermediate shaft structure as claimed in claim 2 or claim 3, it is characterised in that：The middle part of the gear shaft I is along its axis
Line direction is provided with lightening hole I, and the middle part of the gear shaft II is provided with lightening hole II, the lightening hole I along its axis direction
Aperture be less than the internal diameter of the annular sinking section, the aperture of the lightening hole II is less than the internal diameter of the annular protrusion section.
5. transfer gear intermediate shaft structure as claimed in claim 4, it is characterised in that：The gear segment I and gear segment II it is outer
The gear teeth are respectively arranged on circumferential surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721702298.6U CN207634650U (en) | 2017-12-08 | 2017-12-08 | A kind of transfer gear intermediate shaft structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721702298.6U CN207634650U (en) | 2017-12-08 | 2017-12-08 | A kind of transfer gear intermediate shaft structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207634650U true CN207634650U (en) | 2018-07-20 |
Family
ID=62862398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721702298.6U Active CN207634650U (en) | 2017-12-08 | 2017-12-08 | A kind of transfer gear intermediate shaft structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207634650U (en) |
-
2017
- 2017-12-08 CN CN201721702298.6U patent/CN207634650U/en active Active
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