CN204573000U - electronic locking transmission shaft differential mechanism - Google Patents
electronic locking transmission shaft differential mechanism Download PDFInfo
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- CN204573000U CN204573000U CN201520055312.2U CN201520055312U CN204573000U CN 204573000 U CN204573000 U CN 204573000U CN 201520055312 U CN201520055312 U CN 201520055312U CN 204573000 U CN204573000 U CN 204573000U
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- differential mechanism
- movable sheath
- end cap
- differential
- locking
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Abstract
The utility model provides a kind of electronic locking transmission shaft differential mechanism, belongs to differential art field.It solve the problem of existing differential mechanism self-lock weak effect.This electronic locking transmission shaft differential mechanism, comprise differential casing and be fastened on the differential mechanism end cap on the right side of differential casing, planetary pinion is provided with in differential casing, left half axle gear and right axle shaft gear, the right side of differential mechanism end cap is provided with vehicle bridge difference and subtracts shell, differential mechanism end cap and vehicle bridge difference subtract between shell and are provided with bearing, the right side of right axle shaft gear has and is positioned at vehicle bridge difference and subtracts the locking movable sheath of the band internal tooth of shell, internal tooth engages with the external tooth on transmission shaft, circumferential fixing mechanism is provided with between differential mechanism end cap and locking movable sheath, vehicle bridge difference subtracts in shell the thrust structure be provided with for promoting the differential gear movement to the right of locking movable sheath, Returnning spring is provided with between right axle shaft gear and locking movable sheath.The utility model has the advantages such as locking is effective, long service life.
Description
Technical field
The utility model belongs to differential art field, relates to a kind of diff-lock, particularly a kind of electronic locking transmission shaft differential mechanism.
Background technique
Along with the development of auto manufacturing technology, output and the sales volume of beach buggy and farmer's car increase severely day by day, and the transferring power technology of beach buggy and farmer's car is also constantly reformed.Differential mechanism is a kind of device with transmission of power and power distribution function, the Main Function of differential mechanism is in the process of moving, when beach buggy runs into turning, automatically the rotating speed of inside and outside wheel can be regulated, to ensure that foreign steamer can not drag on road surface, avoid the wearing and tearing of tire to aggravate, thus ensure the safety coefficient of moving vehicle, improve the service life of retarder.
But existing differential mechanism, when running into extremely severe road conditions, when a certain bridge as beach buggy or farmer's car runs into muddy and severe road surface, because adhesion is inadequate, will produce skidding; And an other bridge affects by it, driving force forward does not increase counter subtracting, until its wheel-slip high speed rotating, causes the tractive force of car load to be less than running resistance because greatly consuming, make other can only be on the way as you were, cause car load not move forward.And existing differential gear and planetary pinion are common umbrella gear, it is less to eat gap, face in use, differential gear and planetary pinion wearing and tearing large, working life is short.
Summary of the invention
The purpose of this utility model there are the problems referred to above for existing technology, proposes the electronic locking transmission shaft differential mechanism that a kind of long service life, self-locking are effective.
The purpose of this utility model realizes by following technical proposal:
This electronic locking transmission shaft differential mechanism, comprise differential casing and be fastened on the differential mechanism end cap on the right side of differential casing, planetary pinion is provided with in described differential casing, left half axle gear and right axle shaft gear, the right side of differential mechanism end cap is provided with vehicle bridge difference and subtracts shell, described differential mechanism end cap part stretches to vehicle bridge difference and subtracts in shell, described differential mechanism end cap and vehicle bridge difference subtract between shell and are provided with bearing, it is characterized in that, the right side of described right axle shaft gear has and is positioned at vehicle bridge difference and subtracts the locking movable sheath of the band internal tooth of shell, described internal tooth engages with the external tooth on transmission shaft, circumferential fixing mechanism is provided with between described differential mechanism end cap and locking movable sheath, described vehicle bridge difference subtracts in shell the thrust structure be provided with for promoting the differential gear movement to the right of locking movable sheath, Returnning spring is provided with between described right axle shaft gear and locking movable sheath.
Planetary pinion in mechanism can be common planetary pinion or the not planetary pinion of equal modulus and non-circular planetary gear, the differential gear corresponding with planetary pinion can be common differential gear or the not differential gear of equal modulus and not rounded differential gear, and planet pin can be word axle or a cross axle.
In above-mentioned electronic locking transmission shaft differential mechanism, described circumferential fixing mechanism comprises the end tooth one being located at differential mechanism end cap right-hand member and the left end being located at locking movable sheath has the end tooth two matched with end tooth one.
During fabrication, end tooth one and end tooth two can be designed to plane end tooth, also end tooth one and end tooth two can be designed to male and fomale(M&F) end tooth, namely end tooth one is concave surface end tooth, and end tooth two is convex surface end tooth, or end tooth one is convex surface end tooth, and end tooth two is concave surface end tooth.
When skidding does not appear in wheel, under the effect that internal tooth engages with external tooth, the rotating speed of locking movable sheath is identical with the rotating speed of transmission shaft, different from the rotating speed of differential mechanism end cap.When car body occurs to skid, locking movable sheath is moved to the left along transmission shaft, end tooth one engages with end tooth two, the rotating speed of differential mechanism end cap is equal with the rotating speed of locking movable sheath, because locking movable sheath and transmission shaft circumference are connected, therefore the rotating speed of differential mechanism end cap is equal with the rotating speed of transmission shaft, realizes locking.
In above-mentioned electronic locking transmission shaft differential mechanism, described circumferential fixing mechanism comprises the spline one be located at inside differential mechanism end cap and the spline two matched with spline one be located at outside locking movable sheath.
When skidding does not appear in wheel, under the effect that internal tooth engages with external tooth, the rotating speed of locking movable sheath is identical with the rotating speed of transmission shaft, different from the rotating speed of differential mechanism end cap.When car body occurs to skid, locking movable sheath is moved to the left along transmission shaft, spline one and spline two engage, the rotating speed of differential mechanism end cap is equal with the rotating speed of locking movable sheath, because locking movable sheath and transmission shaft circumference are connected, therefore the rotating speed of differential mechanism end cap is equal with the rotating speed of transmission shaft, realizes locking.
In above-mentioned electronic locking transmission shaft differential mechanism, described thrust structure comprises the thrust movable sheath be located at the poor support subtracted in shell of vehicle bridge, be located at the thrust electromagnetic coil on support and be axially located in thrust electromagnetic coil, the left end of described thrust movable sheath faces above-mentioned locking movable sheath and arranges, and the right-hand member of described thrust movable sheath is resisted against on support.
In above-mentioned electronic locking transmission shaft differential mechanism, described differential mechanism end cap has the joint along differential mechanism end cap radial direction extension, described joint is fixed with driven gear.Driven gear can be the one in cylindrical gears, straight gear with curved teeth, bevel gear or other gears, driven gear and differential mechanism end cap are coaxially arranged, by any attachment as driven gear is carried out front or reverse side installation by other modes such as welding, bolt are connected.Driven gear directly can also be installed to the right side of differential casing as differential mechanism end cap.
The working principle of this electronic locking transmission shaft differential mechanism is as follows:
When there is skidding in wheel, thrust electromagnetic coil is made to be energized manually or automatically, thrust electromagnetic coil produces magnetic field, under the influence of a magnetic field, thrust movable sheath moves to locking movable sheath direction, the flexible locking movable sheath that promotes is moved to the left along transmission shaft, the end tooth two of locking movable sheath engages with the end tooth one on differential mechanism end cap, or the spline two of locking movable sheath engages with the spline one of differential mechanism end cap, at end tooth one or the spline one of differential mechanism end cap, the end tooth two of locking movable sheath or spline two, locking is realized under the acting in conjunction of the internal tooth of locking movable sheath and the external tooth of transmission shaft, avoid skidding, now Returnning spring is compressed, there is elasticity force.When after closedown thrust electromagnetic coil, the end motion to the right of thrust movable sheath, locking is actively set on away from differential mechanism end cap under the effect of Returnning spring, and end tooth one is separated with end tooth two, or spline one is separated with spline two.
Although employ the words such as right axle shaft gear, right side, right-hand member in this electronic locking transmission shaft differential mechanism, but in actual use, the right side that this electronic locking transmission shaft differential mechanism can be arranged on car body is used for realizing the locking of right axle shaft, and the left side that also this electronic locking transmission shaft differential mechanism can be arranged on car body is used for realizing the locking of left half axle.
Compared with prior art, this electronic locking transmission shaft differential mechanism has the following advantages:
Its compact structure, locking speed is responsive, effectively can improve the driveability of car load, flexible promotion thrust movable sheath, stopped motor and spreaded to by force the lasting thrust of generation, structure is new-type, miniaturization, strengthen locked power, what be applicable to duck, go-anywhere vehicle, loading vehicle, engineering truck, agricultural vehicle, all-terrain vehicle and other refitted cars has the gearbox of differential function, transfer case and front and back ransaxle, applied widely.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment one that the utility model provides.
Fig. 2 is the structural representation of the embodiment two that the utility model provides.
In figure, 11, differential casing; 12, differential mechanism end cap; 121, end tooth one; 122, joint; 123, spline one; 13, planetary pinion; 14, left half axle gear; 15, right axle shaft gear; 16, vehicle bridge difference subtracts shell; 17, bearing; 18, locking movable sheath; 181, internal tooth; 182, end tooth two; 183, spline two; 19, Returnning spring; 20, support; 21, thrust electromagnetic coil; 22, thrust movable sheath.
Embodiment
Be below specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
Embodiment one
Electronic locking transmission shaft differential mechanism as shown in Figure 1, the differential mechanism end cap 12 comprising differential casing 11 and be fastened on the right side of differential casing 11, planetary pinion 13, left half axle gear 14 and right axle shaft gear 15 is provided with in differential casing 11, the right side of right axle shaft gear 15 is provided with vehicle bridge difference and subtracts shell 16, differential mechanism end cap 12 part stretches to vehicle bridge difference and subtracts in shell 16, and differential mechanism end cap 12 and vehicle bridge difference subtract between shell 16 and be provided with bearing 17.As shown in Figure 1, have on the right side of differential mechanism end cap 12 and be positioned at the locking movable sheath 18 that vehicle bridge difference subtracts the band internal tooth 181 of shell 16, internal tooth 181 engages with the external tooth on transmission shaft, the right-hand member of differential mechanism end cap 12 has end tooth 1, the left end of locking movable sheath 18 has the end tooth 2 182 matched with end tooth 1, vehicle bridge difference subtracts in shell 16 the thrust structure be provided with for promoting locking movable sheath 18 differential gear 15 movement to the right, is provided with Returnning spring 19 between right axle shaft gear 15 and locking movable sheath 18.
Planetary pinion 13 in the present embodiment can be the planetary pinion 13 i.e. non-circular planetary gear 13 of common planetary pinion 13 or not equal modulus, the differential gear corresponding with planetary pinion 13 can be common differential gear or the not differential gear of equal modulus and not rounded differential gear, and planetary pinion 13 axle can be word axle or a cross axle.During fabrication, end tooth 1 and end tooth 2 182 plane end tooth can be designed to, also end tooth 1 and end tooth 2 182 male and fomale(M&F) end tooth can be designed to, namely end tooth 1 is concave surface end tooth, end tooth 2 182 is convex surface end tooth, or end tooth 1 is convex surface end tooth, and end tooth 2 182 is concave surface end tooth.
When skidding does not appear in wheel, under the effect that internal tooth 181 engages with external tooth, the rotating speed of locking movable sheath 18 is identical with the rotating speed of transmission shaft, different from the rotating speed of differential mechanism end cap 12.When car body occurs to skid, locking movable sheath 18 is moved to the left along transmission shaft, end tooth 1 engages with end tooth 2 182, the rotating speed of differential mechanism end cap 12 is equal with the rotating speed of locking movable sheath 18, because locking movable sheath 18 and transmission shaft circumference are connected, therefore the rotating speed of differential mechanism end cap 12 is equal with the rotating speed of transmission shaft, realizes locking.
Concrete, as shown in Figure 1, thrust structure comprises the thrust movable sheath 22 be located at the poor support 20 subtracted in shell 16 of vehicle bridge, be located at the thrust electromagnetic coil 21 on support 20 and be axially located in thrust electromagnetic coil 21, the left end of thrust movable sheath 22 faces above-mentioned locking movable sheath 18 and arranges, and the right-hand member of thrust movable sheath 22 is resisted against on support 20.
As shown in Figure 1, differential mechanism end cap 12 has along the outward extending joint 122 in differential mechanism end cap 12 footpath, joint 122 is fixed with driven gear.Driven gear can be the one in cylindrical gears, straight gear with curved teeth, bevel gear or other gears, driven gear and differential mechanism end cap 12 are coaxially arranged, by any attachment as driven gear is carried out front or reverse side installation by other modes such as welding, bolt are connected.
The working principle of this electronic locking transmission shaft differential mechanism is as follows:
When there is skidding in wheel, thrust electromagnetic coil 21 is made to be energized manually or automatically, thrust electromagnetic coil 21 produces magnetic field, under the influence of a magnetic field, thrust movable sheath 22 moves to locking movable sheath 18 direction, the flexible locking movable sheath 18 that promotes moves to differential mechanism end cap 12, namely locking movable sheath 18 is along transmission shaft axial motion, the end tooth 2 182 of locking movable sheath 18 engages with the end tooth 1 on differential mechanism end cap 12, at the end tooth 1 of differential mechanism end cap 12, the end tooth 2 182 of locking movable sheath 18, locking is realized under the acting in conjunction of the internal tooth 181 of locking movable sheath 18 and the external tooth of transmission shaft, avoid skidding, now Returnning spring 19 is compressed, there is elasticity force.When after closedown thrust electromagnetic coil 21, thrust movable sheath 22 end motion to the right, locking movable sheath 18 is away from differential mechanism end cap 12 under the effect of Returnning spring 19, and end tooth 1 is separated with end tooth 2 182.
Although employ the words such as right axle shaft gear 15, right side, right-hand member in embodiment, but in actual use, the right side that this electronic locking transmission shaft differential mechanism can be arranged on car body is used for realizing the locking of right axle shaft, and the left side that also this electronic locking transmission shaft differential mechanism can be arranged on car body is used for realizing the locking of left half axle.
Embodiment two
The principle of the present embodiment is substantially identical with the principle of embodiment one, and different places is, as shown in Figure 2, is provided with spline 1 in the inner side of differential mechanism end cap 12, is provided with the spline 2 183 matched with spline 1 in the outside of locking movable sheath 18.
When skidding does not appear in wheel, under the effect that internal tooth 181 engages with transmission shaft external tooth, the rotating speed of locking movable sheath 18 is identical with the rotating speed of transmission shaft, different from the rotating speed of differential mechanism end cap 12.When car body occurs to skid, locking movable sheath 18 is moved to the left along transmission shaft, spline 1 and spline 2 183 engage, the rotating speed of differential mechanism end cap 12 is equal with the rotating speed of locking movable sheath 18, because locking movable sheath 18 and transmission shaft circumference are connected, therefore the rotating speed of differential mechanism end cap 12 is equal with the rotating speed of transmission shaft, realizes locking.
Embodiment three
The principle of the present embodiment is substantially identical with the principle of embodiment one, and different places is, driven gear is directly installed to the right side of differential casing 11 as differential mechanism end cap 12.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.
Claims (5)
1. an electronic locking transmission shaft differential mechanism, comprise differential casing (11) and be fastened on the differential mechanism end cap (12) on the right side of differential casing (11), planetary pinion (13) is provided with in described differential casing (11), left half axle gear (14) and right axle shaft gear (15), the right side of differential mechanism end cap (12) is provided with vehicle bridge difference and subtracts shell (16), described differential mechanism end cap (12) part stretches to vehicle bridge difference and subtracts in shell (16), described differential mechanism end cap (12) and vehicle bridge difference subtract between shell (16) and are provided with bearing (17), it is characterized in that, the right side of described right axle shaft gear (15) has and is positioned at the locking movable sheath (18) that vehicle bridge difference subtracts the band internal tooth (181) of shell (16), described internal tooth (181) engages with the external tooth on transmission shaft, circumferential fixing mechanism is provided with between described differential mechanism end cap (12) and locking movable sheath (18), described vehicle bridge difference subtracts in shell (16) the thrust structure be provided with for promoting locking movable sheath (18) differential gear (15) movement to the right, Returnning spring (19) is provided with between described right axle shaft gear and locking movable sheath.
2. electronic locking transmission shaft differential mechanism according to claim 1, it is characterized in that, described circumferential fixing mechanism comprises the end tooth one (121) being located at differential mechanism end cap (12) right-hand member and the left end being located at locking movable sheath (18) has the end tooth two (182) matched with end tooth one (121).
3. electronic locking transmission shaft differential mechanism according to claim 1, it is characterized in that, described circumferential fixing mechanism comprises the spline one (123) being located at differential mechanism end cap (12) inner side and the spline two (183) matched with spline one (123) being located at locking movable sheath (18) outside.
4. the electronic locking transmission shaft differential mechanism according to Claims 2 or 3, it is characterized in that, described thrust structure comprises the thrust movable sheath (22) be located at vehicle bridge difference and subtracted support (20) in shell (16), be located at the thrust electromagnetic coil (21) on support (20) and be axially located in thrust electromagnetic coil (21), the left end of described thrust movable sheath (22) faces the setting of above-mentioned locking movable sheath (18), and the right-hand member of described thrust movable sheath (22) is resisted against on support (20).
5. the electronic locking transmission shaft differential mechanism according to Claims 2 or 3, it is characterized in that, described differential mechanism end cap (12) has along the outward extending joint in differential mechanism end cap (12) footpath (122), described joint (122) is fixed with driven gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520055312.2U CN204573000U (en) | 2015-01-27 | 2015-01-27 | electronic locking transmission shaft differential mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520055312.2U CN204573000U (en) | 2015-01-27 | 2015-01-27 | electronic locking transmission shaft differential mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204573000U true CN204573000U (en) | 2015-08-19 |
Family
ID=53865641
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520055312.2U Active CN204573000U (en) | 2015-01-27 | 2015-01-27 | electronic locking transmission shaft differential mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204573000U (en) |
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2015
- 2015-01-27 CN CN201520055312.2U patent/CN204573000U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Electronics locking transmission shaft differential mechanism mechanism Effective date of registration: 20180926 Granted publication date: 20150819 Pledgee: Zhejiang Tyrone commercial bank Limited by Share Ltd Taizhou Wenling branch Pledgor: HUAXIN MACHINERY MANUFACTURING CO., LTD. Registration number: 2018330000286 |