CN204437043U - Cross axle, differential mechanism and vehicle - Google Patents
Cross axle, differential mechanism and vehicle Download PDFInfo
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- CN204437043U CN204437043U CN201520090199.1U CN201520090199U CN204437043U CN 204437043 U CN204437043 U CN 204437043U CN 201520090199 U CN201520090199 U CN 201520090199U CN 204437043 U CN204437043 U CN 204437043U
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- axle
- housing
- opening slot
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- groove
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- 230000007246 mechanism Effects 0.000 title claims abstract description 41
- 238000000034 method Methods 0.000 abstract description 13
- 230000008901 benefit Effects 0.000 abstract description 7
- 230000008569 process Effects 0.000 description 11
- 238000009434 installation Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 208000035126 Facies Diseases 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 208000010392 Bone Fractures Diseases 0.000 description 1
- 206010017076 Fracture Diseases 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005194 fractionation Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000016507 interphase Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
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Abstract
The utility model provides a kind of cross axle, differential mechanism and vehicle.This cross axle comprises the first axle and second axle of intersect vertical axis, the intermediate portion of the first axle is provided with the first opening slot, the intermediate portion of the second axle is provided with the second opening slot, and the first axle and the second axle are closely fastened togather at the first opening slot and the second open slot position place.Cross axle described in the utility model have join strength greatly, not easy-rupturing, technique advantage that is simple and that easily install.
Description
Technical field
The utility model relates to vehicle drive axle technical field, particularly a kind of cross axle, the differential mechanism of this cross axle is set and the vehicle of this differential mechanism is set.
Background technique
Along with the development of economic technology and the generally raising of vast civil plantation level, vehicle has become the means of transportation in people's daily life gradually.
As everyone knows, vehicle set has differential mechanism, the speed discrepancy of left and right half gear is realized by the rotation of differential mechanism inner planet gear, and then realize left and right driving wheel rotate with different angular velocity, ensure that wheel realizes pure rolling under normal turn situation, avoid Ackermann steer angle generation sideslip phenomenon, vehicle safety is turned.In addition, in four-wheel drive cars, power distribution can be realized by arranging differential mechanism in the distributing means for power supply of in the pre-connection, back driving axle, that is: the speed discrepancy of two differential gears is realized by the rotation of differential mechanism expert star-wheel, and then realize forward and backward ransaxle and rotate with different angular velocity, ensure that four wheels are in pure rolling state, avoid vehicle owing to jolting, sliding phenomenon to occur in the process of moving, make the vehicle moment be in safety traffic state.
Usually, differential mechanism comprises planetary pinion in gear ring, housing and housing and differential gear, planetary pinion is supported by cross axle, the cross axle of some differential mechanisms is made up of two semi-minor axis and a major axis, as shown in Figure 1, two semi-minor axis are connected with major axis plug-in mounting, and are fixed on housing by straight pin.Because the intensity of the plug-in mounting joint of major axis and semi-minor axis is lower, in Long-Time Service process, easily there is fatigue fracture in this joint; In addition, in installation process, need guarantee two semi-minor axis coaxial lines and intersect vertically with long axis ray, so the cross axle assembling of this kind of structure is also more difficult.
Model utility content
In view of this, the utility model is intended to propose a kind of cross axle, differential mechanism and vehicle, to solve the technical problem that cross axle joint fatigue fracture easily occurs and installs difficulty.
For achieving the above object, the technical solution of the utility model is achieved in that
A kind of cross axle, comprise the first axle and second axle of intersect vertical axis, the intermediate portion of described first axle is provided with the first opening slot, the intermediate portion of described second axle is provided with the second opening slot, and described first axle and described second axle are closely fastened togather at described first opening slot and described second open slot position place.
Further, the intermediate portion of described first axle is provided with two the first flat horizontal surfaces, two described first flat horizontal surfaces and close contacting fit corresponding with two opposing sides of described second opening slot.
Further, two described first flat horizontal surfaces be arranged in parallel, and two opposing sides of described second opening slot matched with described first flat horizontal surface parallel.
Further, the intermediate portion of described second axle is provided with two the second flat horizontal surfaces, two described second flat horizontal surfaces and close contacting fit corresponding with two opposing sides of described first opening slot.
Further, two described second flat horizontal surfaces be arranged in parallel, and two opposing sides of described first opening slot matched with described second flat horizontal surface parallel.
Further, the bottom surface of described first opening slot and the dead in line of described first axle, the bottom surface of described second opening slot and the dead in line of described second axle.
Relative to prior art, cross axle described in the utility model has following advantage:
Cross axle provided by the utility model comprises the first axle and second axle of two intersect vertical axis, and in the intermediate portion of first, second axle, all opening slot is set, that is: first, second opening slot, two opening slots snap in opposite directions and are closely interlocked, that is: the mutually embedding connection of intersection.Compare with the cross axle that two minor axises are formed with a major axis in prior art, first, second axle described in the utility model is major axis, and both intermediate portions all do not disconnect, and the intensity of the cross axle of this kind of structure is larger; Because both are embedded in together mutually, be the effect of face, face time stressed in movement process, its active area is comparatively large, so its uniform force, join strength is comparatively large, not easy-rupturing.In addition, when processing first, second axle, only opening slot need be processed in the intermediate portion of axle, such as, milling opening slot, processing technology is very simple; When installing cross axle, only first, second opening slot move toward one another of first, second axle need be snapped in, its installation is very simple.
Another object of the present utility model is to propose a kind of differential mechanism, the housing that described differential mechanism comprises gear ring and is fixedly connected with described gear ring, the planetary pinion being provided with differential gear in described housing and being meshed with described differential gear, described planetary pinion empty set is on above-mentioned cross axle, and described cross axle is fixedly connected with described housing.
Further, described housing comprises the first housing and the second housing, and described first housing and described second housing are U-shaped prong like; Two the first lugs of described first housing are provided with the mounting hole for installing described first axle, and two the second lugs of described second housing are provided with the mounting hole for installing described second axle;
The inner circumference of described gear ring is circumferentially spacedly provided with the first draw-in groove and the second draw-in groove that run through its upper and lower end face along it, described first draw-in groove and described second draw-in groove is equipped with two and circumference is evenly arranged;
Described first draw-in groove and described first lug tight clamping fit, described second draw-in groove and described second lug tight clamping fit; The two ends of described first axle are against the bottom surface of described first draw-in groove, and the two ends of described second axle are against the bottom surface of described second draw-in groove.
Further, described first housing is identical with the structure of described second housing.
The Dominant Facies that differential mechanism described in the utility model and above-mentioned cross axle have relative to prior art is same, therefore does not repeat them here.
Another object of the present utility model is to propose a kind of vehicle, and described vehicle set has above-mentioned differential mechanism.
The Dominant Facies that vehicle described in the utility model and above-mentioned cross axle, differential mechanism have relative to prior art is same, therefore does not repeat them here.
Accompanying drawing explanation
The accompanying drawing forming a part of the present utility model is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the stereo-resolution structural representation of cross axle in prior art;
Fig. 2 is the perspective view of the differential mechanism being provided with cross axle in Fig. 1 in prior art;
Fig. 3 is the stereo-resolution structural representation of cross axle described in the utility model;
Fig. 4 is the fractionation perspective view of differential mechanism described in the utility model;
Fig. 5 is that section is by the first axle axis and perpendicular to the vertical section structure schematic diagram of the second axle axis;
Fig. 6 is that section is by the second axle axis and perpendicular to the vertical section structure schematic diagram of the first axle axis.
Description of reference numerals:
1-first axle, 2-second axle, 3-first housing, 4-second housing, 5-gear ring, 6-planetary pinion,
7-differential gear;
101-first opening slot, 102-first flat horizontal surface;
201-second opening slot, 202-second flat horizontal surface;
301-first lug;
401-second lug;
501-first draw-in groove, 502-second draw-in groove.
Embodiment
It should be noted that, when not conflicting, the embodiment in the utility model and the feature in embodiment can combine mutually.
Below with reference to the accompanying drawings and describe the utility model in detail in conjunction with the embodiments.
Embodiment one
The present embodiment is a kind of cross axle, as shown in Figure 3, comprises intersect vertical axis and the intermediate portion that the intermediate portion of close-connected first axle 1 and the second axle 2, first axle 1 is provided with the first opening slot 101, second axle is provided with the second opening slot 201; First axle 1 and the second axle 2 are closely fastened togather at the first opening slot 101 and the second opening slot 201 position.
In the present embodiment, intermediate portion due to the first axle 1 is provided with the first opening slot 101, the intermediate portion of the second axle 2 is provided with the second opening slot 201, time together with the first opening slot 101 and the second opening slot 201 move toward one another are also engaged to closely, first axle 1 and the second axle 2 will closely be interlocked, and the intersect vertical axis of diaxon.
Compare with the cross axle that two minor axises are formed with a major axis in prior art, the first axle 1 in the present embodiment and the second axle 2 are major axis, and both intermediate portions all do not disconnect, so the intensity of this cross axle is larger; Because diaxon is embedded in together mutually, be the interphase interaction in face and face when both move stressed, its active area is comparatively large, so its uniform force, join strength is comparatively large, not easy-rupturing.In addition, only opening slot need be processed in the intermediate portion of the first axle 1 and the second axle 2, such as, milling opening slot, processing technology is very simple; During installation, only the second opening slot 201 move toward one another of the first opening slot 101 of the first axle 1 and the second axle 2 need be snapped in, its installation is very simple.
As shown in Figure 3, in order to the first axle 1 is more firmly stuck in the second opening slot 201, in the present embodiment, two the first flat horizontal surfaces 102 can be provided with in the intermediate portion of the first axle 1, two the first flat horizontal surfaces 102 and close contacting fit corresponding with two opposing sides of the second opening slot 201, to increase area of contact when the first axle 1 snaps onto the second opening slot 201, thus strengthen join strength.
In order to reduce processing and installation difficulty, two the first flat horizontal surfaces 102 be arranged in parallel, and two opposing sides of the second opening slot 201 matched with the first flat horizontal surface 102 parallel.
In like manner, as shown in Figure 3, in order to the second axle 2 is more firmly stuck in the first opening slot 101, in the present embodiment, two the second flat horizontal surfaces, 202, two the second flat horizontal surfaces 202 and close contacting fit corresponding with two opposing sides of the first opening slot 101 can be provided with in the intermediate portion of the second axle 2.
In addition, be arranged in parallel by two the second flat horizontal surfaces 202, two opposing sides of the first opening slot 101 matched with the second flat horizontal surface 202 parallel, and it is also to reduce processing and installation difficulty that this kind is arranged.
In the present embodiment, in order to make the first axle 1 and the second axle 2 stressed time uniform distribution, the bottom surface of the first opening slot 101 and the dead in line of the first axle 1, the bottom surface of the second opening slot 201 and the dead in line of the second axle 2, best diaxon is identical.Setting like this, in the using process of this cross axle, because diaxon is identical, not only have versatility, its intensity is identical, uses more stable, and can extend its working life.
In sum, the cross axle described in the present embodiment not only has that join strength is large, processing and install and be easy to advantage, also has using process and stablizes the advantage with long service life.
Embodiment two
The present embodiment is a kind of differential mechanism, as Figure 4-Figure 6, the housing that this differential mechanism comprises gear ring 5 and is fixedly connected with gear ring 5, the planetary pinion 6 being provided with differential gear 7 in housing and being meshed with differential gear 7, on the cross axle of planetary pinion 6 empty set in above-described embodiment one, cross axle is fixedly connected with housing.
As shown in Figure 4, housing comprises the first housing 3 and the second housing 4, first housing 3 and the second housing 4 and is U-shaped prong like; Two the first lugs 301 of the first housing 3 are provided with the mounting hole for installing the first axle 1, and two the second lugs 401 of the second housing 4 are provided with the mounting hole for installing the second axle 2.During installation, first axle 1 is arranged on two the first lugs 301 of the first housing 3, second axle 2 is arranged on two the second lugs 401 of the second housing 4, because the first axle 1 and the second axle 2 can be fastened togather closely, thus linking together that the first housing 3 and the second housing 4 are intersected.
Be connected with main reducing gear to make this differential mechanism, as Figure 4-Figure 6, first housing 3 is all fixedly connected with gear ring 5 with the second housing 4, gear ring 5 can be the driven gear of main reducing gear, or gear ring 5 is the transition gear for connecting main reducing gear, wherein, the inner circumference of gear ring 5 is circumferentially spacedly provided with the first draw-in groove 501 and the second draw-in groove 502, first draw-in groove 501 that run through its upper and lower end face and the second draw-in groove 502 is equipped with two and circumference is evenly arranged along it.First draw-in groove 501 and the first lug 301 tight clamping fit, the second draw-in groove 502 and the second lug 401 tight clamping fit; First axle 1 is positioned at two the first draw-in grooves 501, and the bottom surface of the two ends of the first axle 1 and the first draw-in groove 501 leans; Second axle 2 is positioned at two the second draw-in grooves 502, and the bottom surface of the two ends of the second axle 2 and the second draw-in groove 502 leans.
The housing of existing differential mechanism is set to upper and lower dissymmetrical structure usually, and as shown in Figure 2, gear ring 5 is also fixed on the asymmetric position place of housing, thus easily unbalance loading occurs in the using process of differential mechanism, and Long-Time Service easily makes this differential casing damage; In addition, the differential carrier body processing technology more complicated of non-symmetry structure, not easily install, manufacturing expense is higher, Economy is poor.
In the present embodiment, as shown in Figure 5 and Figure 6, first housing 3 and the second housing 4 have connected into a complete differential casing, first housing 3 and the second housing 4 are in intercross arrangement, amount of parts in two housings at gear ring 5 two ends is identical and symmetrical, thus make the weight at gear ring 5 two ends identical, the differential mechanism of this kind of structure can not only eliminate the generation of unbalance loading phenomenon, can also simplified processing process, simplify install, reduce manufacturing expense, improve Economy.
Differential mechanism described in the present embodiment does not arrange the Axial Mounting Part of cross axle (such as, for the straight pin of axial restraint cross axle in existing differential mechanism, as shown in Figure 2), but directly cross axle has been limited in two draw-in grooves of gear ring 5, respectively axially locating is carried out to the first axle 1 and the second axle 2 with the bottom surface of the first draw-in groove 501 and the bottom surface of the second draw-in groove 502, and respectively radial location is carried out to the first axle 1 and the second axle 2 by the first lug 301 of the first housing 3 and the second lug 401 of the second housing 4, setting like this, avoid and use straight pin easily to damage in differential mechanism operation process, the risk of fracture, thus make differential casing and gear ring 5 acting in conjunction by the draw-in groove being limited to gear ring 5 firm for cross axle, cross axle is avoided to deviate from from differential casing, and then reduce the risk even avoiding differential mechanism to run well.
In addition, in the present embodiment, as Figure 4-Figure 6, the first housing 3 is all fixedly connected with gear ring 5 with the second housing 4, and the first housing 3 is identical with the structure of the second housing 4.Concrete, the excircle of the first housing 3 and the second housing 4 is equipped with outward flange, the outward flange of the first housing 3 is leant with an end face of gear ring 5 and is fixedly connected with by screw thread, and the outward flange of the second housing 4 is leant with the other end of gear ring 5 and is fixedly connected with by screw thread.
Because the first housing 3 is identical with the structure of the second housing 4, the component of gear ring 5 both sides are identical, cause the overall structure of whole differential mechanism to be symmetrical in weight, and then avoid the generation of differential mechanism unbalance loading phenomenon in operation process, can by the dynamically stable ransaxle passing to vehicle.In addition, when the structure of two housings is identical, two housings have versatility and interchangeability, can further simplified processing process and reduce manufacturing expense.
The working principle of the differential mechanism described in the present embodiment: when vehicle adopts above-mentioned differential mechanism, in normal vehicle operation process, gear ring 5 drives the first housing 3 and the second housing 4 synchronous rotary, first housing 3 and the second housing 4 drive cross shaft rotating, cross axle drives planetary pinion 6 to revolve round the sun around gear ring axis with gear ring 5, planetary pinion 6 drives differential gear 7 to rotate, and then drives rotation of wheel.When there is speed discrepancy in left and right two driving wheel, planetary pinion 6 with gear ring 5 revolve round the sun while also around the first axle 1 or the second axle 2 rotation, left and right two-semiaxle gear 7 is made to form speed discrepancy, thus formation differential motion, wheel is avoided to break away, reduce auto tire wear and power consumption, improve turning to and braking ability of vehicle.
In sum, the differential mechanism described in the present embodiment not only has all advantages of the cross axle described in above-described embodiment one, also has cross axle difficult drop-off, differential mechanism without unbalance loading phenomenon, preparation process is simple, easy for installation and Economy is high advantage.
Embodiment three
The present embodiment is a kind of vehicle, and this vehicle set has the differential mechanism in above-described embodiment two.
This vehicle has all advantages of differential mechanism in above-described embodiment two, therefore does not repeat them here.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. a cross axle, it is characterized in that, comprise the first axle (1) and second axle (2) of intersect vertical axis, the intermediate portion of described first axle (1) is provided with the first opening slot (101), the intermediate portion of described second axle (2) is provided with the second opening slot (201), and described first axle (1) and described second axle (2) are closely fastened togather described first opening slot (101) and described second opening slot (201) position.
2. cross axle according to claim 1, it is characterized in that, the intermediate portion of described first axle (1) is provided with two the first flat horizontal surfaces (102), two described first flat horizontal surfaces (102) and close contacting fit corresponding with two opposing sides of described second opening slot (201).
3. cross axle according to claim 2, it is characterized in that, two described first flat horizontal surfaces (102) be arranged in parallel, and two opposing sides of described second opening slot (201) matched with described first flat horizontal surface (102) parallel.
4. cross axle according to claim 1, it is characterized in that, the intermediate portion of described second axle (2) is provided with two the second flat horizontal surfaces (202), two described second flat horizontal surfaces (202) and close contacting fit corresponding with two opposing sides of described first opening slot (101).
5. cross axle according to claim 4, it is characterized in that, two described second flat horizontal surfaces (202) be arranged in parallel, and two opposing sides of described first opening slot (101) matched with described second flat horizontal surface (202) parallel.
6. the cross axle according to any one of claim 1-5, it is characterized in that, the bottom surface of described first opening slot (101) and the dead in line of described first axle (1), the bottom surface of described second opening slot (201) and the dead in line of described second axle (2).
7. a differential mechanism, the housing comprising gear ring and be fixedly connected with described gear ring (5), the planetary pinion (6) being provided with differential gear (7) in described housing and being meshed with described differential gear (7), it is characterized in that, described planetary pinion (6) empty set is on the cross axle as described in any one of claim 1-6, and described cross axle is fixedly connected with described housing.
8. differential mechanism according to claim 7, it is characterized in that, described housing comprises the first housing (3) and the second housing (4), and described first housing (3) and described second housing (4) are U-shaped prong like; Two the first lugs (301) of described first housing (3) are provided with the mounting hole for installing described first axle (1), and two the second lugs (401) of described second housing (4) are provided with the mounting hole for installing described second axle (2);
The inner circumference of described gear ring (5) is circumferentially spacedly provided with the first draw-in groove (501) and the second draw-in groove (502) that run through its upper and lower end face along it, described first draw-in groove (501) and described second draw-in groove (502) is equipped with two and circumference is evenly arranged;
Described first draw-in groove (501) and described first lug (301) tight clamping fit, described second draw-in groove (502) and described second lug (401) tight clamping fit; The two ends of described first axle (1) are against the bottom surface of described first draw-in groove (501), and the two ends of described second axle (2) are against the bottom surface of described second draw-in groove (502).
9. differential mechanism according to claim 8, is characterized in that, described first housing (3) is identical with the structure of described second housing (4).
10. a vehicle, is characterized in that, is provided with the differential mechanism as described in any one of claim 7-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520090199.1U CN204437043U (en) | 2015-02-09 | 2015-02-09 | Cross axle, differential mechanism and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520090199.1U CN204437043U (en) | 2015-02-09 | 2015-02-09 | Cross axle, differential mechanism and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204437043U true CN204437043U (en) | 2015-07-01 |
Family
ID=53604915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520090199.1U Expired - Fee Related CN204437043U (en) | 2015-02-09 | 2015-02-09 | Cross axle, differential mechanism and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204437043U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108836427A (en) * | 2018-05-04 | 2018-11-20 | 郑州康佰甲科技有限公司 | A kind of movable device and row's stone bed |
| CN112460224A (en) * | 2019-09-06 | 2021-03-09 | 大众汽车股份公司 | Method for producing a differential gear and differential gear |
-
2015
- 2015-02-09 CN CN201520090199.1U patent/CN204437043U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108836427A (en) * | 2018-05-04 | 2018-11-20 | 郑州康佰甲科技有限公司 | A kind of movable device and row's stone bed |
| CN108836427B (en) * | 2018-05-04 | 2020-03-31 | 广州医科大学附属第一医院 | Movable mechanism and stone discharging bed |
| CN112460224A (en) * | 2019-09-06 | 2021-03-09 | 大众汽车股份公司 | Method for producing a differential gear and differential gear |
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|---|---|---|---|
| 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: 20150701 |
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| CF01 | Termination of patent right due to non-payment of annual fee |