CN208845559U - Auxiliary box of automobile gear box exports two forging shafts - Google Patents
Auxiliary box of automobile gear box exports two forging shafts Download PDFInfo
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- CN208845559U CN208845559U CN201821339534.7U CN201821339534U CN208845559U CN 208845559 U CN208845559 U CN 208845559U CN 201821339534 U CN201821339534 U CN 201821339534U CN 208845559 U CN208845559 U CN 208845559U
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- shaft part
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- automobile gear
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Abstract
The utility model discloses a kind of auxiliary box of automobile gear box to export two forging shafts, it is an integral structure, including from left to right sequentially connected first shaft part, second shaft part, third shaft part, 4th shaft part, 5th shaft part, 6th shaft part, 7th shaft part, 8th shaft part and the 9th shaft part, location hole is offered at the center of first shaft part, and the location hole extends right up to second shaft part, the periphery of second shaft part protrudes from first shaft part and third shaft part, a weight loss groove is respectively arranged in the two sides of second shaft part, First Transition section is connected between the third shaft part and the 4th shaft part, the second changeover portion is provided between the 7th shaft part and the 8th shaft part, wherein, described 4th, 6th, the diameter of 8th shaft part is equal, described 5th, the diameter of 7th shaft part is equal, and the 5th, 7th The diameter of shaft part is less than the 4th shaft part.Its remarkable result is: intensity is high, lightweight is good, long service life.
Description
Technical field
The utility model relates to arrive gearbox parts technical field, and in particular to a kind of auxiliary box of automobile gear box output two
Forging shaft.
Background technique
Speed changer is for changing the revolving speed from engine and the mechanism of torque, it is capable of fixing or a point gear changes output shaft
With input shaft transmission ratio, also known as gearbox.Speed changer is made of variable transmission mechanism and operating mechanism, some automobiles are also dynamic
Output mechanism.Transmission mechanism ordinary gear multi-purpose greatly is driven, also some Planetary Gear Transmissions.Ordinary gear transmission shifting mechanism
Generally with shifting slide gear and synchronizer etc..Gearbox is made of variable transmission mechanism and selector gear two parts.Speed change passes
The main function of motivation structure is numerical value and the direction for changing torque and revolving speed；The main function of operating mechanism is control driver
Structure realizes the transformation of transmission ratio, that is, shift is realized, to reach variable-speed torque-converting.
It is the axial workpiece to work under high speed, fully loaded transportation condition that gear box sub-case, which exports two axis, in motion process repeatedly
In require fatigue resistance, wearability and enough intensity, rigidity and mechanical property etc., while also require product from
Weight is low, and with good control production cost and use cost, and in previous production, it is not fine and close etc. to be frequently present of category institutional framework
Defect can not be properly arrived at requirement.
Summary of the invention
In view of the deficiencies of the prior art, the purpose of the utility model is to provide a kind of auxiliary box of automobile gear box to export the forging of two axis
Part, to reach, intensity is high, lightweight is good, purpose with long service life.
In order to achieve the above objectives, the technical solution adopted in the utility model is as follows:
A kind of two forging shafts of auxiliary box of automobile gear box output, key are: two forging shafts of the output are integral type knot
Structure, including from left to right sequentially connected first shaft part, the second shaft part, third shaft part, the 4th shaft part, the 5th shaft part, the 6th axis
Section, the 7th shaft part, the 8th shaft part and the 9th shaft part offer location hole, and the location hole at the center of first shaft part
Second shaft part is extended right up to, the periphery of second shaft part protrudes from first shaft part and third shaft part, in institute
The two sides for stating the second shaft part are respectively arranged with a weight loss groove, are connected with the first mistake between the third shaft part and the 4th shaft part
Section is crossed, is provided with the second changeover portion between the 7th shaft part and the 8th shaft part, wherein the four, the six, the 8th shaft part
Diameter it is equal, the diameter of the five, the 7th shaft part is equal, and the diameter of the five, the 7th shaft parts be less than the 4th shaft part.
Further, the location hole is bellmouth, and the diameter of the location hole is from left to right gradually reduced.
Further, the weight loss groove is arranged close to the junction of the second shaft part and the first shaft part, third shaft part.
Further, the weight loss groove close to third shaft part is greater than close to the diameter of the weight loss groove of first shaft part.
Further, the 9th shaft part is tapered, and the big end of the 9th shaft part is connected with the 8th shaft part.
Further, the surface of the First Transition section is the cambered surface of indent, and the surface of second changeover portion is inclined-plane.
Further, the diameter of the first shaft part shaft part less than the second shaft part and is greater than third shaft part, the third axis
The diameter of section is greater than the 4th shaft part, the 5th shaft part, the 9th shaft part.
Further, first shaft part, the second shaft part, third shaft part, the 4th shaft part, the 5th shaft part, the 6th shaft part,
The length sequence of seven shaft parts, the 8th shaft part and the 9th shaft part is the 9th shaft part, the second shaft part, third shaft part, the 5th shaft part, the
Four shaft parts, the 8th shaft part, the first shaft part, the 6th shaft part, the 7th shaft part.
The remarkable result of the utility model is:
1, intensity is higher: for the integral structure of the utility model compared to original split type structure, intensity is higher, energy
Enough better meet the intensity requirement of car transmissions；
2, lightweight is good: compared with original structure, integrated structure can save 40% or more in weight and volume；
3, longer life expectancy: compared with original cast structure, phenomena such as avoiding the defect of trachoma, be not in rupture.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the A-A cross-sectional view of Fig. 1；
Fig. 3 is the left view of the utility model；
Fig. 4 is the right view of the utility model.
Specific embodiment
Specific embodiment of the present utility model and working principle are described in further detail with reference to the accompanying drawing.
As shown in Figure 1 to 4, a kind of auxiliary box of automobile gear box exports two forging shafts, and two forging shafts of the output are integrated
Formula structure, including from left to right sequentially connected first shaft part 1, the second shaft part 2, third shaft part 3, the 4th shaft part 4, the 5th shaft part
5, the 6th shaft part 6, the 7th shaft part 7, the 8th shaft part 8 and the 9th shaft part 9 offer positioning at the center of first shaft part 1
Hole 10, and the location hole 10 extends right up to second shaft part 2, the periphery of second shaft part 2 protrudes from described first
Shaft part 1 and third shaft part 3, are respectively arranged with a weight loss groove 11 in the two sides of second shaft part 2, in the third shaft part 3
It is connected with First Transition section 12 between the 4th shaft part 4, is provided with the second mistake between the 7th shaft part 7 and the 8th shaft part 8
Cross section 13, wherein the 4th shaft part 4, the 6th shaft part 6, the diameter of the 8th shaft part 8 are equal, the 5th shaft part 5, the 7th axis
The diameter of section 7 is equal, and the 5th week honest 5, the diameter of the 7th shaft part 7 is less than the 4th shaft part 4.9th shaft part 9 is in cone
Shape, the big end of the 9th shaft part 9 are connected with the 8th shaft part 8.
In this example, to be easy to process, the location hole 10 is bellmouth, and the diameter of the location hole 10 from left to right gradually subtracts
It is small.
Embodiment as one preferred, the weight loss groove 11 close to the second shaft part 2 and the first shaft part 1, the second shaft part 2 with
The junction of third shaft part 3 is arranged, and is greater than close to the diameter of the weight loss groove 11 of first shaft part 1 close to third shaft part
3 weight loss groove 11.
Preferably, the surface of the First Transition section 12 is the cambered surface of indent, and the surface of second changeover portion 13 is oblique
Face.
The diameter of embodiment as one preferred, 1 shaft part of the first shaft part less than the second shaft part 2 and is greater than third axis
The diameter of section 3, the third shaft part 3 is greater than the 4th shaft part 4, the 5th shaft part 5, the 9th shaft part 9.
Embodiment as one preferred, first shaft part 1, the second shaft part 2, third shaft part 3, the 4th shaft part the 4, the 5th
Shaft part 5, the 6th shaft part 6, the 7th shaft part 7, the 8th shaft part 8 and the 9th shaft part 9 length sequence be the 9th shaft part 9, the second axis
Section 2, third shaft part 3, the 5th shaft part 5, the 4th shaft part 4, the 8th shaft part 8, the first shaft part 1, the 6th shaft part 6, the 7th shaft part 7.
Odd-side described in this programme exports two forging shafts and is integrated forging molding, keeps entire forging institutional framework compact, by force
Degree is high, and product quality is guaranteed, can better meet the intensity requirement of car transmissions, extend service life；Pass through
The weight loss groove 11 of setting saves 20% or more so that this product lightweight is good in weight.
Claims (7)
1. a kind of auxiliary box of automobile gear box exports two forging shafts, it is characterised in that: two forging shafts of the output are an integral structure,
Including from left to right sequentially connected first shaft part, the second shaft part, third shaft part, the 4th shaft part, the 5th shaft part, the 6th shaft part,
7th shaft part, the 8th shaft part and the 9th shaft part offer location hole at the center of first shaft part, and the location hole is to the right
Second shaft part is extended to, the periphery of second shaft part protrudes from first shaft part and third shaft part, described
The two sides of two shaft parts are respectively arranged with a weight loss groove, are connected with First Transition between the third shaft part and the 4th shaft part
Section, is provided with the second changeover portion between the 7th shaft part and the 8th shaft part, wherein the four, the six, the 8th shaft part
Diameter is equal, and the diameter of the five, the 7th shaft part is equal, and the diameter of the five, the 7th shaft parts is less than the 4th shaft part.
2. auxiliary box of automobile gear box according to claim 1 exports two forging shafts, it is characterised in that: the location hole is cone
The diameter in shape hole, the location hole is from left to right gradually reduced.
3. auxiliary box of automobile gear box according to claim 1 exports two forging shafts, it is characterised in that: the weight loss groove is close
The junction of second shaft part and the first shaft part, third shaft part is arranged.
4. auxiliary box of automobile gear box according to claim 1 or 3 exports two forging shafts, it is characterised in that: close to described the
The diameter of the weight loss groove of one shaft part is greater than the weight loss groove close to third shaft part.
5. auxiliary box of automobile gear box according to claim 1 exports two forging shafts, it is characterised in that: the 9th shaft part is in
Taper, the big end of the 9th shaft part are connected with the 8th shaft part.
6. auxiliary box of automobile gear box according to claim 1 exports two forging shafts, it is characterised in that: the First Transition section
Surface be indent cambered surface, the surface of second changeover portion is inclined-plane.
7. auxiliary box of automobile gear box according to claim 1 exports two forging shafts, it is characterised in that: the first shaft part axis
The diameter of section is less than the second shaft part and is greater than third shaft part, and the diameter of the third shaft part is greater than the 4th shaft part, the 5th shaft part, the
Nine shaft parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821339534.7U CN208845559U (en) | 2018-08-20 | 2018-08-20 | Auxiliary box of automobile gear box exports two forging shafts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821339534.7U CN208845559U (en) | 2018-08-20 | 2018-08-20 | Auxiliary box of automobile gear box exports two forging shafts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208845559U true CN208845559U (en) | 2019-05-10 |
Family
ID=66356786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821339534.7U Active CN208845559U (en) | 2018-08-20 | 2018-08-20 | Auxiliary box of automobile gear box exports two forging shafts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208845559U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110566567A (en) * | 2019-09-19 | 2019-12-13 | 深圳臻宇新能源动力科技有限公司 | Gear shaft, transmission and vehicle |
-
2018
- 2018-08-20 CN CN201821339534.7U patent/CN208845559U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110566567A (en) * | 2019-09-19 | 2019-12-13 | 深圳臻宇新能源动力科技有限公司 | Gear shaft, transmission and vehicle |
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