CN202280809U - Rear axle of power equipment - Google Patents
Rear axle of power equipment Download PDFInfo
- Publication number
- CN202280809U CN202280809U CN2011203695733U CN201120369573U CN202280809U CN 202280809 U CN202280809 U CN 202280809U CN 2011203695733 U CN2011203695733 U CN 2011203695733U CN 201120369573 U CN201120369573 U CN 201120369573U CN 202280809 U CN202280809 U CN 202280809U
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- China
- Prior art keywords
- gear
- output shaft
- support
- bevel gear
- transverse axis
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- Expired - Lifetime
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Abstract
The utility model provides a rear axle of power equipment. The rear axle comprises a differential mechanism. The differential mechanism comprises a first output shaft, a second output shaft, a driving gear, a first bevel gear, a second bevel gear and two third bevel gears, wherein the driving gear is slidably mounted on the first output shaft, the first bevel gear synchronously rotates with the first output shaft, and the second bevel gear synchronously rotates with the second output shaft. The two third bevel gears rotate by means of being engaged with the first bevel gear and the second bevel gear. The differential mechanism further comprises a bracket which is fixedly arranged at one side of the driving gear. The two third bevel gears are connected with the bracket and synchronously rotate with the driving gear through the bracket. The two third bevel gears are erected at one side of the driving gear through the bracket, so that the difficulty of manufacturing an irregular groove or the configuration of an expensive differential gear stand is avoided. Therefore, the rear axle has the advantages of simple structure and low cost.
Description
Technical field
The utility model relates to a kind of electrical equipment, relates in particular to a kind of back axle of electrical equipment.
Background technique
Electrical equipments such as most of three-wheels or four-wheel electric motor car and mobile cleaning; Two wheels about generation power, bevel gear differential gear commonly used, the configuration of bevel gear and fixing; It generally is the centre that is placed on driving gear; Need drive complicated profiled holes or the expensive differential toothholder of configuration in the middle of the driving tooth, because space, driving tooth intermediate portion is limited, size of bevel gear and Intensity Design receive certain limitation.
The model utility content
The utility model embodiment's purpose is to provide a kind of back axle of electrical equipment, is intended to solve complex structure and the high problem of cost that existing technology exists.
The utility model embodiment is achieved in that a kind of back axle of electrical equipment; It comprises differential attachment; First bevel gear that said differential attachment comprises first output shaft, second shaft, be slidingly mounted on driving gear on said first output shaft, rotate synchronously with said first output shaft, second bevel gear and two third hand tap gears of rotating synchronously with said second output shaft; Said third hand tap gear and said first bevel gear and the engagement of second bevel gear are rotated; Said differential attachment also comprises the support that is fixed in a side on the said driving gear, and two said third hand tap gears are connected on the said support and through said support and said driving gear and rotate synchronously.
Further; Said support comprise the assembly department that is installed on said driving gear one side and by the two ends of said assembly department towards two kinks that extend away from the direction of said driving gear; Said differential attachment also comprises the transverse axis that is slidingly mounted on said first output shaft; Said third hand tap gear is placed on the said transverse axis; The two end part of said transverse axis are extended outside the said third hand tap gear and are installed on the kink of said support, and said transverse axis is between said first bevel gear and second bevel gear.
Further, each kink of said support vertically offers chute along it, and the opposite end of said transverse axis is deployed in the said chute.
Further, said transverse axis comprise the two flat positions at two ends and be opened in said transverse axis middle part and with the groove of its axis normal, said flat position is slipped in the chute of said support, said first output shaft penetrates in the said groove.
Further, the assembly department of said support is offered the penetration hole that supplies said first output shaft to pass, and the installation position of said support is between said driving gear and said first bevel gear.
Further, said differential attachment also comprises the packing ring that is used to locate said transverse axis that is placed on said first output shaft.
Further, said support is by the steel plate impact briquetting.
Further, said support is by the casting method moulding.
Further, also comprise retarder, said driving gear is the output gear of said retarder.
Further, said differential attachment also comprises the gear-box of ccontaining said driving gear, support, first bevel gear, second bevel gear and third hand tap gear, and said first output shaft and second output shaft extend said gear-box.
Said third hand tap gear has been exempted the difficulty or the expensive differential toothholder of configuration of working special-shaped groove through a said side that is set up in said driving gear, and is simple in structure, with low cost.
Description of drawings
Fig. 1 is the partial cross-sectional perspective view of the back axle of the electrical equipment that provides of the utility model embodiment.
Fig. 2 is the part exploded view of Fig. 1.
Fig. 3 is the stereo amplification figure of the transverse axis of Fig. 2.
Fig. 4 is the partial enlarged drawing of differential attachment of back axle of the electrical equipment of Fig. 1.
Embodiment
For the purpose, technological scheme and the advantage that make the utility model is clearer,, the utility model is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
See also Fig. 1, the back axle of the electrical equipment that the utility model embodiment provides comprises one speed reducer 10, drives a motor of said retarder 10 actions (figure does not show) and a differential attachment 20.The output terminal of said motor links to each other with the input end of said retarder 10, and the output terminal of said retarder 10 links to each other with said differential attachment 20.
Said differential attachment 20 comprises a gear-box 21; First output shaft 22 and second output shaft 23 that pass by the opposite end of said gear-box 21 respectively; Be slidingly mounted on the driving gear 24 on said first output shaft 22; Be installed on a support 25 of said driving gear 24 1 sides; Be positioned at said support 25 and be fixedly installed in one first bevel gear 26 on said first output shaft 22; Be positioned at said support 25 and be placed in the transverse axis 27 on said first output shaft 22; Be placed in two third hand tap gears 28 of said transverse axis 27 opposite end portions and be fixedly installed in one second bevel gear 29 on said second output shaft 23.Said first output shaft 22 and first bevel gear 26 are rotated synchronously.Said second output shaft 23 and second bevel gear 29 are rotated synchronously.Said third hand tap gear 28 rotates synchronously with said driving gear 24 and rotates through said support 25 and said first bevel gear 26 and 29 engagements of second bevel gear.
Please consult Fig. 2 simultaneously, said gear-box 21 surrounds an airtight cavity 213 by two housings 210,212.Said driving gear 24, support 25, first bevel gear 26, transverse axis 27, third hand tap gear 28 and second bevel gear 29 all place in the said cavity 213.Said cavity 213 fills with lubricant oil, in order to lubricate each parts in it.
The worm gear output terminal that said driving gear 24 can be a worm type of reduction gearing also can be the terminal output gear of involute cylindrical gear retarder.
Said support 25 roughly is " U " shape framework.Said support 25 comprises that an assembly department 250 that is installed on said driving gear 24 1 sides reaches by said assembly department 250 opposite ends towards two kinks 251 that extend away from the direction of said driving gear 24.Said assembly department 250 is planar.A penetration hole 252 is offered at the middle part of said assembly department 250, so that said first output shaft 22 passes this penetration hole 252.Said assembly department 250 is between said driving gear 24 and said first bevel gear 26.Said each kink 251 is vertically offered a chute 253 along it, slips into setting for the end of said transverse axis 27.In the present embodiment, said chute 253 runs through the free end of said kink 251.In the present embodiment, said support 25 can adopt the steel plate impact briquetting, also can adopt the casting method moulding.Because said support 25 is fixedly installed on the said driving gear 24, so support 25 rotates with driving gear 24 synchronously.
Please consult Fig. 3 simultaneously, said transverse axis 27 is roughly Cylindrical object.Said transverse axis 27 is between said first bevel gear 26 and second bevel gear 29.Said transverse axis 27 comprises two flat 270 that two ends are processed to form and is opened in the through hole 271 at said transverse axis 27 middle parts.Said through hole 271 laterally runs through said transverse axis 27, so that said first output shaft 22 pierces into said through hole 271.The axis normal of said through hole 271 and said transverse axis 27.Said flat 270 free end side by said kink 251 slips in the chute 253 of said support 25 kinks 251, and can in chute 253, slide.The two ends of said transverse axis 27 are processed to form said flat 270, are formed with block 272 between the transverse axis 27 of said flat 270 and undressed flat position.When flat 270 of said transverse axis 27 inserted in the said chute 253, said block 272 was butted on the inboard of the kink 251 of said support 25, to prevent that said transverse axis 27 is by falling down on the said support 25.Said transverse axis 27 is inserted on said first output shaft 22, makes transverse axis 27, support 25 and driving gear 24 form a stable rotation framework, beat when preventing to rotate and vibration.Said transverse axis 27 can slide along said first output shaft 22, regulates axial position and the gap of first bevel gear 26, third hand tap gear 28 and second bevel gear 29 automatically, and this structural design is simple, compact, uses reliable.
Please consult Fig. 4 simultaneously, said support 25, first bevel gear 26, third hand tap gear 28 and second bevel gear 29 all are arranged at a side of said driving gear 24.The assembly department 250 of said support 25 is placed on said first output shaft 22 and is installed on a side of said driving gear 24.The aperture of the penetration hole 252 of the assembly department 250 of said support 25 is slightly larger than the diameter of said first output shaft 22, so that said assembly department 250 can not hinder the rotation of first output shaft 22.Offer the through hole 31 that supplies one first pivot pin 30 to pass on said first output shaft 22.Said first pivot pin 30 is fixed in the said through hole 31.Said first bevel gear 26 is fixed on said first output shaft 22 through said first pivot pin 30, so that said first bevel gear 26 is rotated with said first output shaft 22 synchronously.Said first bevel gear 26 is positioned at the side away from said driving gear 24 of the assembly department 250 of said support 25.Be provided with one first packing ring 33 between said first bevel gear 26 and the said assembly department 250.
Said two third hand tap gears 28 pass flat 270 of said transverse axis 27 respectively and are placed on the said transverse axis 27; In the through hole that pierces into said transverse axis 27 foremost 271 of said first output shaft 22; Simultaneously; Flat 270 of said transverse axis 27 slips in the chute 253 of kink 251 of said support 25, and thus, said third hand tap gear 28 links together with said support 25.Said third hand tap gear 28 is between two kinks 251 of said support 25.
It is identical that said second bevel gear 29 is fixed in the means of fixation that means of fixation and said first bevel gear 26 on said second output shaft 23 be fixed on said first output shaft 22; That is to say that said second bevel gear 29 is fixed on said second output shaft 23 through second pivot pin 34.Be provided with one second packing ring 35 between said second bevel gear 29 and the said transverse axis 27, be used for the inner chamber limit location of bevel gear combination.Said second packing ring 35 is placed on said first output shaft 22, and said transverse axis 27 is played the role of positioning.Said first bevel gear 26, third hand tap gear 28 and second bevel gear 29 are meshing with each other.
Said differential attachment 20 also comprises a pad 36, is used to regulate the axial clearance of first bevel gear 26, third hand tap gear 28 and second bevel gear 29.
Under no differential situation; Said driving gear 24, support 25, first bevel gear 26, third hand tap gear 28, second bevel gear 29, first output shaft 22 and second output shaft 23 rotate synchronously; At this moment, do not relatively rotate between first bevel gear 26, third hand tap gear 28 and second bevel gear 29.Having under the differential situation; Exist between first bevel gear 26, third hand tap gear 28 and second bevel gear 29 to mesh relatively and rotate; Make the rotating speed of the win bevel gear 26 and second bevel gear 29 variant, just the rotating speed of first output shaft 22 and second output shaft 23 is variant.
No matter differential or no differential situation is arranged, first output shaft, 22 rotating speed V
22, second output shaft 23 rotating speed V
23Rotating speed V with said driving gear 24
24Concern as follows:
As first output shaft, 22 rotating speed V
22Become big, correspondingly, the rotating speed V of second output shaft 23
23Diminish, vice versa.
The third hand tap gear 28 of the back axle of the electrical equipment of the utility model is located at the outside of said driving gear 24 through a simple support 25; Exempted the difficulty differential toothholder expensive of working special-shaped groove with configuration; Make back axle simple in structure, with low cost of electrical equipment.
In addition; Owing to do not receive the restriction in space, driving gear 24 intermediate portion, the design of bevel gear can have more degrees of freedom, and the utility model has adopted four ready-made bevel gears that specification is identical; Also can adopt two pairs of bevel gears that sized is different according to existence conditions and actual demand.
The above is merely the preferred embodiment of the utility model; Not in order to restriction the utility model; Any modification of being done within all spirit and principles at the utility model, be equal to replacement and improvement etc., all should be included within the protection domain of the utility model.
Claims (10)
1. the back axle of an electrical equipment; It comprises differential attachment; First bevel gear that said differential attachment comprises first output shaft, second output shaft, be slidingly mounted on driving gear on said first output shaft, rotate synchronously with said first output shaft, second bevel gear and two third hand tap gears of rotating synchronously with said second output shaft; Said two third hand tap gears and said first bevel gear and the engagement of second bevel gear are rotated; It is characterized in that: said differential attachment also comprises the support that is fixed in a side on the said driving gear, and two said third hand tap gears are connected on the said support and through said support and said driving gear and rotate synchronously.
2. the back axle of electrical equipment as claimed in claim 1; It is characterized in that: said support comprise the assembly department that is installed on said driving gear one side and by the two ends of said assembly department towards two kinks that extend away from the direction of said driving gear; Said differential attachment also comprises the transverse axis that is slidingly mounted on said first output shaft; Said third hand tap gear is placed on the said transverse axis; The two end part of said transverse axis are extended outside the said third hand tap gear and are installed on the kink of said support, and said transverse axis is between said first bevel gear and second bevel gear.
3. the back axle of electrical equipment as claimed in claim 2, it is characterized in that: each kink of said support vertically offers chute along it, and the opposite end of said transverse axis is deployed in the said chute.
4. the back axle of electrical equipment as claimed in claim 3; It is characterized in that: said transverse axis comprise the two flat positions at two ends and be opened in said transverse axis middle part and with the groove of its axis normal; Said flat position is slipped in the chute of said support, and said first output shaft penetrates in the said groove.
5. the back axle of electrical equipment as claimed in claim 2 is characterized in that: the assembly department of said support is offered the penetration hole that supplies said first output shaft to pass, and the installation position of said support is between said driving gear and said first bevel gear.
6. the back axle of electrical equipment as claimed in claim 1, it is characterized in that: said differential attachment also comprises the packing ring that is used to locate said transverse axis that is placed on said first output shaft.
7. like the back axle of any described electrical equipment of claim 1 to 6, it is characterized in that: said support is by the steel plate impact briquetting.
8. like the back axle of any described electrical equipment of claim 1 to 6, it is characterized in that: said support is by the casting method moulding.
9. like the back axle of any described electrical equipment of claim 1 to 6, it is characterized in that: also comprise retarder, said driving gear is the output gear of said retarder.
10. the back axle of electrical equipment as claimed in claim 9; It is characterized in that: said differential attachment also comprises the gear-box of ccontaining said driving gear, support, first bevel gear, second bevel gear and third hand tap gear, and said first output shaft and second output shaft extend said gear-box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203695733U CN202280809U (en) | 2011-09-29 | 2011-09-29 | Rear axle of power equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203695733U CN202280809U (en) | 2011-09-29 | 2011-09-29 | Rear axle of power equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202280809U true CN202280809U (en) | 2012-06-20 |
Family
ID=46226978
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203695733U Expired - Lifetime CN202280809U (en) | 2011-09-29 | 2011-09-29 | Rear axle of power equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202280809U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102392887A (en) * | 2011-09-29 | 2012-03-28 | 捷和电机（深圳）有限公司 | Rear axle of electric equipment |
-
2011
- 2011-09-29 CN CN2011203695733U patent/CN202280809U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102392887A (en) * | 2011-09-29 | 2012-03-28 | 捷和电机（深圳）有限公司 | Rear axle of electric equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: JIEHE ELECTRIC MACHINE (SHENZHEN) CO., LTD. Free format text: FORMER OWNER: JIE AND ELECTRIC (SHENZHEN) CO., LTD. Effective date: 20131211 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20131211 Address after: The 518104 Ring Road in the town Guangdong city of Shenzhen province Baoan District Shajing Tang Gang Da Tang Industrial Zone No. 10 building 1-7 Patentee after: Jiehe Electric Machine (Shenzhen) Co., Ltd. Address before: The 518104 Ring Road in the town Guangdong city of Shenzhen province Baoan District Shajing Tang Gang Da Tang Industrial Zone No. 8 Building C 2 to 3 Patentee before: Chiaphua Components Group of Companies |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120620 |