CN204083153U - Case of transmission - Google Patents
Case of transmission Download PDFInfo
- Publication number
- CN204083153U CN204083153U CN201420511569.XU CN201420511569U CN204083153U CN 204083153 U CN204083153 U CN 204083153U CN 201420511569 U CN201420511569 U CN 201420511569U CN 204083153 U CN204083153 U CN 204083153U
- Authority
- CN
- China
- Prior art keywords
- hole
- shell end
- groove
- spindle hole
- around block
- Prior art date
- 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
Links
- 230000005540 biological transmission Effects 0.000 title claims abstract description 15
- 230000008719 thickening Effects 0.000 abstract description 3
- 238000010276 construction Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 6
- 239000006185 dispersion Substances 0.000 description 4
- 238000005728 strengthening Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000011229 interlayer Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 241000153246 Anteros Species 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003319 supportive effect Effects 0.000 description 1
Landscapes
- General Details Of Gearings (AREA)
Abstract
The utility model discloses a kind of case of transmission, comprise shell end, described shell end is provided with bearing hole, described bearing hole comprises spindle hole and countershaft hole, it is characterized in that: described shell end is provided with protuberance along spindle hole side, be provided with groove in described protuberance, in described groove, be provided with some stiffening ribs; Described spindle hole and and countershaft hole be provided with around block along edge contour, described around block in integrally connecting setting, described is arc-shaped around block outer; Described shell end is provided with flange along its edge contour.Adopting such scheme, when not thickening end face, the shortcoming of the insufficient strength between spindle hole and countershaft hole being enhanced, improve housing overall construction intensity.
Description
Technical field
The utility model relates to a kind of case of transmission, and more particularly, it relates to a kind of case of transmission strengthening structural strength.
Background technique
Case of transmission, adopts cast aluminium manufacture, adopts integral housing, integral with upper cover.Its advantage is that the concentricity of speed changer antero posterior axis bearing bore easily ensures, assembling, inspection are conveniently, require that housing has enough rigidity, be used for can not tilting when ensureing axle and bearing working, therefore should stiffening rib be designed on housing, the axial direction of housing offers two bearing holes, and the geared sleeve changed when speed change is located at gear shaft, gear bush is located in bearing hole, and when speed change, gear is changed.
Gear shaft is when high speed rotating, bearing radial load and warpage load associating used under, two bearing holes of rear case there occurs larger ovalizing deflection and buckling deformation, the structural attachments between two positions is caused to have larger tensile stress and flexural stress, cause, between two positions, ovalizing deflection and buckling deformation occur, impact is set in the gears meshing of each gear on bearing, produce gear noiose, and cause strength deficiency between two positions after distortion, produce slight crack time serious, directly cause housing to be scrapped.
Model utility content
For the deficiency that prior art exists, the purpose of this utility model is to provide a kind of case of transmission strengthening structural strength.
For achieving the above object, the utility model provides following technological scheme:
A kind of case of transmission, comprise shell end, described shell end is provided with bearing hole, described bearing hole comprises spindle hole and countershaft hole, described shell end is provided with protuberance along spindle hole side, is provided with groove in described protuberance, is provided with some stiffening ribs in described groove;
Described spindle hole and and countershaft hole be provided with around block along edge contour, described around block in integrally connecting setting, described is arc-shaped around block outer;
Described shell end is provided with flange along its edge contour.
By adopting technique scheme, when gear shaft rotates, the whole end face at spindle hole place is subject to the radial pressure to bearing hole that Engine torque brings, groove the surrounding that the radial pressure be subject to by housing is evenly distributed on spindle hole is set, effectively power dispersion is weakened, reduce tensile stress and the flexural stress of the joint between spindle hole and Liang Ge position, countershaft hole, thus alleviate the burden at this place, make the inadequate shortcoming of this structural strength be enhanced when not thickening end face, avoid the damage of housing, save cost, optimize structure and improve partial structurtes intensity, there is practicability,
Simultaneously, groove formation cavity is set, gear noiose in gear-driven process is played to the effect of interlayer, noise needs to form sound wave by the inherent cavity of cavity and blocks and sound wave bounce-back, solve the problem of gear noiose, accordingly, shell construction intensity reduces by arranging of groove, arranging of stiffening rib well solves this problem, the join strength between the sidewall strengthening groove both sides and the structural strength of whole end.
The flange that shell end edgewise profile is provided with, further increases the structural strength of housing end face.
The utility model is set to further: described groove is arc surface along spindle hole side, and described groove dorsad spindle hole side is arc surface.
By adopting technique scheme, end is divided into two parts along the protuberance of spindle hole side by groove, the surface of shell of two parts is arc surface, and arc surface is provided with the radial pressure being beneficial to better dispersion housing and being subject to, being distributed in pressure uniform on arc surface.
The utility model is set to further: the described end face around block and flange is same level.
By adopting technique scheme, ensureing the smooth of shell end, being convenient to the installation of housing on automobile or on other equipment.
Accompanying drawing explanation
Fig. 1 is the utility model case of transmission end view;
Fig. 2 is case of transmission protuberance side External view.
In figure: 1, shell end; 2, swell; 3, spindle hole; 4, countershaft hole; 5, groove; 6, stiffening rib; 7, around block; 8, flange; 9, arc surface.
Embodiment
Referring to figs. 1 through Fig. 2, the utility model case of transmission embodiment is described further.
A kind of case of transmission, comprise shell end 1, shell end 1 is provided with bearing hole, and bearing hole comprises spindle hole 3 and countershaft hole 4, and shell end 1 is provided with protuberance 2 along spindle hole 3 side, is provided with groove 5, is provided with some stiffening ribs 6 in groove 5 in protuberance 2;
Spindle hole 3 and and countershaft hole 4 be provided with around block 7 along edge contour, around block 7 in integrally connecting setting, be arc-shaped around block 7 outer;
Its edge contour of shell end 1 outer is provided with flange 8.
Adopt appeal technological scheme: when gear shaft rotates, the whole end face at spindle hole 3 place is subject to the radial pressure to bearing hole that Engine torque brings, groove 5 the surrounding that the radial pressure be subject to by housing is evenly distributed on spindle hole 3 is set, effectively power dispersion is weakened, reduce tensile stress and the flexural stress of the joint between spindle hole 3 and position, 4 two, countershaft hole, thus alleviate the burden at this place, make the inadequate shortcoming of this structural strength be enhanced when not thickening end face;
Groove 5 formation cavity is set, the gear noiose in gear-driven process is played to the effect of interlayer, noise needs to form sound wave by the inherent cavity of cavity and blocks and sound wave bounce-back, solves the problem of gear noiose.
Preferably, groove 5 is arc surface 9 along spindle hole 3 side, groove 5 dorsad spindle hole 3 side is arc surface 9, shell end 1 is divided into two parts along the protuberance 2 of spindle hole 3 side by groove 5, the surface of shell of two parts is arc surface 9, arc surface 9 is provided with the radial pressure being beneficial to better dispersion housing and being subject to, being distributed in pressure uniform on arc surface 9.
Preferably, stiffening rib 6 is positioned at groove 5 and is uniformly distributed, and the stiffening rib 6 being positioned at groove 5 intermediate portion is greater than the stiffening rib 6 of dual-side, and stiffening rib 6 is fixedly connected with two arc surfaces 9 and plays a supportive role to two arc surfaces 9.
As another kind of mode of execution: groove 5 is arc surface 9 along spindle hole 3 side is inclined-plane, and the radial pressure that inclined-plane also can disperse housing to be subject to, the spaced point that arc surface 9 is arranged is more relative to inclined-plane, the therefore preferred arc surface 9 of this programme.
Preferably, be same level around block 7 and the reference level of flange 8, and both convex height are identical, ensure the smooth of shell end 1, be convenient to the installation of housing on automobile or on other equipment.
The above is only preferred implementation of the present utility model, protection domain of the present utility model be not only confined to above-described embodiment, and all technological schemes belonged under the utility model thinking all belong to protection domain of the present utility model.It should be pointed out that for those skilled in the art, do not departing from the some improvements and modifications under the utility model principle prerequisite, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (3)
1. a case of transmission, comprise shell end, described shell end is provided with bearing hole, described bearing hole comprises spindle hole and countershaft hole, it is characterized in that: described shell end is provided with protuberance along spindle hole side, be provided with groove in described protuberance, in described groove, be provided with some stiffening ribs;
Described spindle hole and and countershaft hole be provided with around block along edge contour, described around block in integrally connecting setting, described is arc-shaped around block outer;
Its edge contour of described shell end outer is provided with flange.
2. case of transmission according to claim 1, is characterized in that: described groove is arc surface along spindle hole side and is connected in being wholely set with around block, and described groove dorsad spindle hole side is arc surface.
3. case of transmission according to claim 2, is characterized in that: the described end face around block and flange is same level.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420511569.XU CN204083153U (en) | 2014-09-05 | 2014-09-05 | Case of transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420511569.XU CN204083153U (en) | 2014-09-05 | 2014-09-05 | Case of transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204083153U true CN204083153U (en) | 2015-01-07 |
Family
ID=52175876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420511569.XU Expired - Fee Related CN204083153U (en) | 2014-09-05 | 2014-09-05 | Case of transmission |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204083153U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108361353A (en) * | 2017-12-29 | 2018-08-03 | 昆山腾荣机械有限公司 | A kind of retarder back casing of new-energy automobile |
| CN108361354A (en) * | 2017-12-29 | 2018-08-03 | 昆山腾荣机械有限公司 | A kind of retarder procapsid of new-energy automobile |
-
2014
- 2014-09-05 CN CN201420511569.XU patent/CN204083153U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108361353A (en) * | 2017-12-29 | 2018-08-03 | 昆山腾荣机械有限公司 | A kind of retarder back casing of new-energy automobile |
| CN108361354A (en) * | 2017-12-29 | 2018-08-03 | 昆山腾荣机械有限公司 | A kind of retarder procapsid of new-energy automobile |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150107 Termination date: 20150905 |
|
| EXPY | Termination of patent right or utility model |