CN206478187U - High-precision rear axle of scooter reduction box - Google Patents
High-precision rear axle of scooter reduction box Download PDFInfo
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- CN206478187U CN206478187U CN201720090841.5U CN201720090841U CN206478187U CN 206478187 U CN206478187 U CN 206478187U CN 201720090841 U CN201720090841 U CN 201720090841U CN 206478187 U CN206478187 U CN 206478187U
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Abstract
The utility model discloses a kind of high-precision rear axle of scooter reduction box, including casing, the casing is formed with inner chamber, and casing is formed with opening so that inner chamber is communicated with the external world, case lid is combined with the opening of the casing, the case lid is used to close the opening, it is formed with the casing and supplies the output shaft axis hole that shaft passes through, the input shaft axis hole passed through for input shaft, the casing is externally provided with motor, the interior intracavitary of the casing is provided with differential assembly, the motor shaft of the motor links with input shaft, the input shaft is linked by differential assembly and output shaft, the opening is located relatively at output shaft radial outside, and the opening deviates output shaft axis hole, input shaft axis hole.
Description
Technical field
The utility model is related to a kind of rear axle reduction box, and in particular to a kind of high-precision rear axle of scooter reduction box.
Background technology
Deceleration box generally comprises casing and case lid, and casing and case lid, which are equipped with, supplies the axis hole that shaft passes through, due to case
Body and case lid are two independent parts, and the axis hole of casing and the axis hole of case lid are separate machineds, and processing technology requires higher,
It is longer the time required to processing, and it cannot be guaranteed that the high-precision axiality of casing axis hole and case lid axis hole.
The content of the invention
The purpose of this utility model provides a kind of high-precision rear axle of scooter reduction box.
To achieve the above object, the utility model is adopted the following technical scheme that：A kind of high-precision rear axle of scooter reduction box,
Including casing, the casing is formed with inner chamber, and casing is formed with and is open so that inner chamber is communicated with the external world, the opening of the casing
Place is combined with case lid, and the case lid, which is used to close to be formed with the opening, the casing, supplies the output shaft axle that shaft passes through
Hole, the input shaft axis hole passed through for input shaft, the casing are externally provided with motor, and the interior intracavitary of the casing is provided with differential group
Part, motor shaft and the input shaft of the motor are linked, and the input shaft is linked by differential assembly and output shaft,
The opening is located relatively at output shaft radial outside, and the opening deviates output shaft axis hole, input shaft axis hole.
Output shaft of the present utility model is not passed through case lid, it is not necessary to output shaft axis hole is processed on case lid, it is only necessary in case
Output shaft axis hole is processed on body, can farthest ensure the precision of axis hole, moreover it is possible to processing cost is reduced, during reduction processing
It is long.The utility model casing is integral type structure, and output shaft axis hole machining accuracy is greatly improved, production cost is reduced.Its
In, output shaft axis hole is used to supply shaft through casing, and input shaft axis hole is used to fix input shaft to link with motor, or
Input shaft axis hole is used to stretch into casing for the shaft of motor to link with the output shaft of casing.
Preferably, the output shaft includes the first output shaft and the second output shaft, first output shaft and second defeated
Shaft has one end to be fixed in casing, and the other end of first output shaft and the other end of the second output shaft respectively pass through one
Output shaft axis hole is extended on the outside of casing, and first output shaft and the second output shaft pass through the differential assembly that is fixed in casing
Linkage, the differential assembly includes a gear being fixed on the first output shaft and No. two teeth being fixed on the second output shaft
Wedge component is provided with wheel, the output shaft, the wedge component is arranged on the first output shaft, and the wedge component is limited
System is between cabinet wall and a gear；Or the wedge component is arranged on the second output shaft, the wedge component is limited
System is between cabinet wall and No. two gears.
Deceleration box of the present utility model has two output shafts, because the opening of casing is positioned at output shaft radial outside
Position, it is impossible to which casing internal gear is carried out using existing assembly method（Differential assembly）Assembling；Carry out the utility model differential group
During the assembling of part, bearing can be first passed through a piece output shaft is fixed, and make to be formed between two output shafts to supply gear
The gear of differential assembly, is positioned in the assembly space of casing by the gap passed through by the opening of casing, passes through two outputs
The operative gear of differential assembly is set on output shaft by the gap between axle.Wherein, it is differential assembly on guarantee output shaft
Axial limiting, the utility model on the first output shaft or the second output shaft by being arranged wedge component, so that wedge component quilt
It is arranged between cabinet wall and the gear of differential assembly, to reduce the space that differential assembly is axially moved along output shaft, with reality
The axial limiting of existing differential assembly.Wherein, when the utility model casing only has an output shaft, it is not necessary to differential assembly,
Wedge component is not needed.Wherein, two output between centers should have gap, to avoid two output shafts from interfering.
Preferably, the wedge component includes first piece and second piece, described first piece and second piece is respectively formed arc
Opening, described first piece one end and described second piece one end are hinged fixation by jointed shaft, the axis of the jointed shaft with
The diameter parallel of the output shaft is set, and described first piece of the other end is fixed with described second piece of the other end by fastener
Together, the wedge component is fixed with output shaft and makes described first piece and second piece to be located at the output Axial and radial phase respectively
To the wherein side of both sides.
Above-mentioned setting is easy to the assembling of wedge component to realize the axial limiting of differential assembly.Complete the assembling of differential assembly
Afterwards, wedge component is positioned in the assembly space of casing from box opening, wedge component is set in the first output shaft or
On two output shafts, then close up first piece and second piece one end away from hinged place of wedge component, and make wedge component defeated
Rotated on shaft to adjust the position at wedge member hinges, the assembling for then carrying out fastener is defeated so that wedge component to be fixed on
On shaft.Wherein, as needed selection wedge component thickness so that wedge component axial direction end face respectively with cabinet wall and
Differential assembly offsets.
Preferably, first output shaft and the second output shaft are coaxially disposed, input shaft, institute are fixed with the casing
State input shaft axis to set with the first output shaft diameter parallel, the input shaft links with linkage gear, the linkage tooth
Be fixed with No. three gears and No. four gears being oppositely arranged in wheel, the axis of No. three gears and the axis of No. four gears with
Plane where the linkage gear axis is vertically arranged, and the linkage gear is set on output shaft, and No. three gears and
No. four gears are located at the wherein side for being located at output shaft diametrically both sides respectively, and a gear and No. two gears are with three
The engagement of number gear, a gear and No. two gears are engaged with No. four gears, a gear, No. two gears, No. three
Gear and No. four gears are bevel gear.Wherein, input shaft can be the shaft of motor, or join with motor shaft
Dynamic axle；Can on input shaft cutting thread to be engaged with linkage gear, also can on input shaft fixed gear for linkage
Gear is engaged.Motor is operated so that input shaft drive linkage gear rotation, passes through No. three gears and No. four gear bands immediately
A gear and No. two pinion rotations are moved, to realize the rotation of the first output shaft and the second output shaft.
Preferably, the linkage gear, which is formed with two first, runs through groove, No. three gears and No. four gears are fixed respectively
In one first in groove, No. three gears and No. four gears are limited between a gear and No. two gears, often
Individual first connects through groove with one second through groove, and No. three gears and No. four gears are set in a fixing axle
Outside, one second coordinates through groove and a fixing axle, and each fixing axle at least one end is located at described second in groove, and
The fixing axle is located at the described second part in groove and the second plane that mutual cooperation is formed with through groove, the fixation
The plane of axle coordinates to realize the radially fixed of the fixing axle with the described second plane for running through, No. three gears and No. four
Bevel gear bearing is equipped between gear and fixing axle.Wherein, the bevel gear on fixing axle, bevel gear bearing and linkage gear is matched somebody with somebody
Close so that another output shaft can also be rotated when an output shaft is by locking, to realize the steering of scooter, and can make non-locking
Output shaft by double-speed rotate.Wherein, fixing axle can have the square shaft of plane for four sides, or only have plane
Monoplane axle, or the biplane axle that opposite sides is plane.Wherein, No. three teeth are realized by a gear and No. two gears
The restriction of wheel and No. four gear positions, and the position of two fixing axles is defined.
Preferably, the part that first output shaft and the second output shaft are located in casing is each formed with a pin hole,
It is combined with the pin hole of first output shaft in the first pin, the pin hole of the second output shaft and is combined with the second pin, described one
One side end face of number gear is formed with umbrella tooth, another side end face of a gear be formed with for accommodate the first pin the
One pin holding tank a, side end face of No. two gears is formed with umbrella tooth, and another side end face of No. two gears is formed with
The second pin holding tank for accommodating the second pin.The positioning of a gear is realized by the first pin, passes through the second pin
Realize the positioning of No. two gears, by No. three gears and No. four gears realize a gear and No. two gears on output shaft
Axial restraint.
Preferably, a side end face of the linkage gear offsets with positioning sleeve, another side end face of the linkage gear
Offseted with a gear or No. two gears, the positioning sleeve is set on same output shaft with linkage gear, the positioning sleeve position
Between a gear and No. two gears.When linkage gear is set on the first output shaft, positioning is set on the first output
On axle, a side end face of linkage gear and a side end face of positioning sleeve offset, another side end face of linkage gear and No. two gears
Offset, while another side end face of positioning sleeve offsets with a gear；When linkage gear is set on the second output shaft, positioning
Be set on the second output shaft, a side end face of linkage gear and a side end face of positioning sleeve offset, linkage gear it is another
Side end face offsets with a gear, while another side end face of positioning sleeve offsets with No. two gears.The utility model is by setting
Positioning sleeve is fixed with the axial limiting for realizing linkage gear.Wherein, the tooth of bevel gear is arranged at a side end face outer rim, and bevel gear is set
End face inner edge with teeth is plane, and a side end face of the positioning sleeve away from linkage gear and the inner edge plane of a bevel gear offset,
One side end face of the remotely located set of linkage gear and the inner edge plane of a bevel gear offset.
Preferably, described first piece and second piece is hinged including the clamping part of curved setting, clamping part one end
The fastener fixed part of fixed part, the clamping part other end, the thickness of first piece of clamping part and second piece of clamping part
Consistency of thickness, the described first piece value for being hinged fixed part thickness be added with the described second piece value for being hinged fixed part thickness be less than or
Equal to the value of first piece of clamping part thickness, described first piece of fastener fixed part and second piece of fastener fixed part are solid
Determine so that first piece of arc opening and second piece of arc opening are closed and be formed with rounded along output shaft radial section
Endoporus, the wedge component coordinates with the output shaft clearance.The utility model to first piece of articulated section and second piece by cutting with scissors
The thickness of socket part is configured, so that first piece of clamping part and second piece of clamping part can be located at relative the two of output Axial and radial
Side, while enabling a gear or No. two gears and a plane（The end face of first piece of clamping part and second piece of clamping part）
It is in contact, with the axial limiting for the gear for realizing differential assembly.Wherein, by the arc opening of second piece of first piece of closing, lead to
The arc opening of first piece of second piece of closing is crossed, first piece coordinates one circular inner hole of composition defeated for being set in second piece
On shaft.Wherein, first piece and second piece of thickness is the distance after wedge component is set on output shaft vertically.
Preferably, the opposite end of the casing is respectively formed with to extension on the outside of casing and radial section inner edge is in
Circular the first fixed part and the second fixed part, first output shaft passes through some output shaft bearings and first fixed part
Fixed, second output shaft is fixed by some output shaft bearings with second fixed part, first output shaft or the
Sleeve pipe is arranged with two output shafts, described sleeve pipe is formed with the seam knot of mutual cooperation with the first fixed part or the second fixed part
Structure, the other end and the fixed seat of described sleeve pipe are formed with the fixing structure of mutual cooperation, and the fixed seat is fixed with fixed position,
Described sleeve pipe is limited between fixed seat and the first fixed part or the second fixed part.Above-mentioned setting is to reduce casing assembly space
Volume, and there is the utility model adapt to the scooters of different wheelspans, by the output shaft and set of changing different length
Pipe is to realize this purpose.Wherein, fixed position is vehicle frame.
Preferably, the described one end of first fixed part away from the second fixed part is provided with the first oil sealing, described second fixes
The one end of portion away from the first fixed part is provided with the second oil sealing, and the output shaft bearing is needle bearing.If the utility model by
Dry milling needle bearing carries out the fixation of output shaft one end, and the width due to roller bearing along output Axial and radial is relatively thin, can reduce casing
Volume.
Casing of the present utility model is structure as a whole, and output shaft axis hole and input shaft axis hole may be contained within casing, can carry
The precision of height output axle axis hole, noise when reduction reduction box is used；Due to only needing to that axis hole is processed on casing, it is not necessary to
Output shaft axis hole is processed on case lid, can shorten reduction box and process is used for and reduces processing cost.The utility model passes through first
Set wedge component to be fixed with the axial limiting for realizing differential assembly in casing on output shaft or the second output shaft, pass through gear etc.
Axially offseted between parts, parts and cabinet wall offset to realize the axial limiting of differential assembly and wedge component in casing
Fixed, gap is minimum to reduce required casing along the assembly space on output shaft axial direction between adjacent parts axial direction, makes box house
Structure is more compact, and can make that casing assembly space does is smaller, and the volume that can cast casing of the present utility model and case lid is more
It is small, to substantially reduce reduction box casting timber-used amount, simultaneously because casing assembly space reduces, it is covered in the lubrication tooth on cabinet wall
The grease of wheel tails off, and can reduce the consumption of lubricant grease.
Brief description of the drawings
Fig. 1 is a kind of diagrammatic cross-section of the utility model reduction box；
Fig. 2 is a kind of shaft side figure of the utility model reduction box；
Fig. 3 is a kind of structural representation of the utility model casing；
Fig. 4 is another structural representation of the utility model casing；
Fig. 5 is a kind of structural representation of the utility model wedge component；
Fig. 6 is another structural representation of the utility model wedge component；
Fig. 7 is a kind of structural representation of the utility model differential assembly；
Fig. 8 is another structural representation of the utility model differential assembly；
Fig. 9 is Fig. 7 A-A views；
Figure 10 is a kind of result schematic diagram of the utility model linkage gear.
Embodiment
The utility model is further described below according to the drawings and specific embodiments.
As shown in Fig. 1, Fig. 2, Fig. 3, Fig. 4, a kind of high-precision rear axle of scooter reduction box, including casing 1 and output shaft, case
Body 1 relative to output shaft radial outside be formed in part be open and be combined with case lid 2, output shaft axis hole and input shaft axis hole are equal
It is arranged on casing 1.Casing 1 is formed with inner chamber, and casing 1 is formed with and is open so that inner chamber is communicated with the external world, the opening of casing 1
Place is combined with case lid 2, and case lid 2, which is used to close, to be open, be formed with casing 1 the output shaft axis hole for supplying shaft and passing through, supply into
The input shaft axis hole that axle passes through, casing 1 is externally provided with motor, and the interior intracavitary of casing 1 is provided with differential assembly, the drive of motor
Dynamic Motor Shaft is linked with input shaft, and input shaft is linked by differential assembly and output shaft, and opening is located relatively at output Axial and radial
Outside, and opening deviates output shaft axis hole, input shaft axis hole.
Output shaft includes the first output shaft 3 and the second output shaft 4 being coaxially disposed, the first output shaft 3 and the second output shaft 4
There is one end to be fixed in casing 1, the other end of the other end of the first output shaft 3 and the second output shaft 4 respectively passes through an output
Axle axis hole extends to the outside of casing 1, and the first output shaft 3 and the second output shaft 4 are joined by the differential assembly being fixed in casing 1
It is dynamic.Wherein, the first output shaft 3 is major axis, and the second output shaft 4 is short axle, and two between centers leave gap to avoid interfering, two
The one end of root axle away from casing back wheels of vehicle of being ridden instead of walk with one is fixed.
As shown in Fig. 1, Fig. 3, Fig. 4, Fig. 7, Fig. 8, differential assembly includes a gear 5 being fixed on the first output shaft 3
With No. two gears 6 being fixed on the second output shaft 4, it is fixed with input shaft 11, the first output shaft 3 in casing 1 and is arranged with connection
Moving gear 7, input shaft 11 gets on the bus screw thread to be engaged with linkage gear 7, and No. three teeth being oppositely arranged are fixed with linkage gear 7
Wheel 8 and No. four gears 9, the axis of No. three gears 8 and the axis of No. four gears 9 are vertical with plane where the axis of linkage gear 7
Set, No. three gears 8 and No. four gears 9 are located at the wherein side for being located at the first output shaft 3 diametrically both sides respectively, a tooth
Wheel 5 and No. two gears 6 are engaged with No. three gears 8, and a gear 5 and No. two gears 6 are engaged with No. four gears 9, a tooth
Wheel 5, No. two gears 6, No. three gears 8 and No. four gears 9 are bevel gear.
As shown in Fig. 1, Fig. 8, the part that the first output shaft 3 and the second output shaft 4 are located in casing is each formed with a pin
It is combined with hole, the pin hole of the first output shaft 3 in first pin 31, the pin hole of the second output shaft 4 and is combined with the second pin
41, a side end face of a gear 5 is formed with umbrella tooth, and another side end face of a gear 5 is formed with for accommodating the first pin
31 the first pin holding tank a, side end face of No. two gears 6 is formed with umbrella tooth, and another side end face of No. two gears 6 is formed with
The second pin holding tank for accommodating the second pin 41.Wherein, the pin hole on the first output shaft 3 and the second output shaft 4 is equal
For through hole, the length of the first pin 31 is more than the diameter of the first output shaft 3, and the length of the second pin 41 is more than the second output shaft 4
Diameter.
As shown in Fig. 3, Fig. 8, Fig. 9, Figure 10, linkage gear 7 be formed with two be oppositely arranged first run through groove 71, No. three
Gear 8 and No. four gears 9 are individually fixed in one first in groove 71, and No. three gears 8 and No. four gears 9 are limited in one
Number between gear 5 and No. two gears 6, each first connects through groove 71 with one second through groove 72, and first runs through groove 71
With second cross bath is constituted through groove 72.No. three gears 8 and No. four gears 9 are set in outside a fixing axle 73, one second
Coordinate through groove 72 with a fixing axle 73, bevel gear bearing is equipped between No. three gears 8 and No. four gears 9 and fixing axle 73
74, the second four sides cell wall for running through groove 72 is plane, and fixing axle 73 is square shaft, and bevel gear bearing 74 is oiliness bearing.
As shown in Fig. 1, Fig. 3, Fig. 4, Fig. 5, Fig. 6, wedge component 10, the quilt of wedge component 10 are provided with the first output shaft 3
It is limited between the inwall of casing 1 and a gear 5.Wedge component 10 includes first piece 12 and second piece 13, first piece 12 and the
Two piece 13 including the clamping part 101 of curved setting, the one end of clamping part 101 to be hinged fixed part 102, clamping part 101 another
The fastener fixed part 103 at end.First piece 12 of the thickness of clamping part 101 and second piece 13 of the consistency of thickness of clamping part 101, first
The value for being hinged the thickness of fixed part 102 of block 12 is added with second piece 13 of the value for being hinged the thickness of fixed part 102 less than first piece 12
The thickness of clamping part 101 value.First piece 12 of the fixed part 102 that is hinged is hinged fixed part 102 by being hinged with second piece 13
Axle 104 is so that first piece 12 and second piece 13 hinged, the diameter parallel of the axis of jointed shaft 104 and the first output shaft 3
Set.First piece 12 of fastener fixed part 103 and second piece 13 of fastener fixed part 103 fix the arc so that first piece 12
Shape opening and second piece 13 of arc opening closure, first piece 12 of fastener fixed part 103 and second piece 13 of fastener are solid
Determine portion 103 to be fixed together by screw 105, fix for first piece 12 and second piece 13 and be formed with along output shaft radial section in circle
The endoporus 106 of shape, wedge component 10 matches somebody with somebody to merge with the gap of the first output shaft 3 makes first piece 12 and second piece 13 to be located at first respectively
The wherein side of output shaft diametrically both sides.
As shown in Fig. 1, Fig. 7, positioning sleeve 32, a side end face of positioning sleeve 32 and a tooth are arranged with the first output shaft 3
Wheel 5 offsets, and another side end face of positioning sleeve 32 offsets with a side end face of linkage gear 7, another side end face of linkage gear 7 and
No. two gears 6 offset.
As shown in Fig. 1, Fig. 2, Fig. 3, Fig. 4, the opposite end of casing 1 is respectively formed with extension and radial direction section on the outside of casing
Face inner edge rounded the first fixed part 14 and the second fixed part 15, the first output shaft 3 by two output shaft bearings 16 with
First fixed part 14 is fixed, and the second output shaft 4 is fixed by two output shaft bearings 16 with the second fixed part 14.First output shaft
Be arranged with sleeve pipe 33 on 3, the fixed part 14 of sleeve pipe 33 and first is formed with the fixing structure of mutual cooperation, the other end of sleeve pipe 33 with
Fixed seat 34 is formed with the fixing structure of mutual cooperation, and fixed seat 34 is fixed with fixed position, and sleeve pipe 33 is limited in fixed seat
34 and first fixed part 14.Wherein, the one end of the first fixed part 14 away from the second fixed part 15 is provided with the first oil sealing 17, and second consolidates
The one end of portion 15 away from the first fixed part 14 is determined provided with the second oil sealing 18, and output shaft bearing 16 is needle bearing.
When carrying out the assembling of deceleration box of the present utility model, input shaft 11, the first output shaft 3 and the second output are first carried out
The assembling of axle 4, and make to leave the space passed through for gear between the first output shaft 3 and the second output shaft 4, then pass through casing 1
Opening carry out the assembling of differential assembly and wedge component, be open finally by the closed box 1 of case lid 2 and make the input of casing 1
Axle 11 links with motor.In the pin hole that first pin 31 is inserted to the first output shaft 3, and make the two ends of the first pin 31
It is respectively positioned on the outside of pin hole, then a gear 5 is set on the first output shaft, and the two ends of the first pin 31 is located at one
In first pin holding tank of number gear, repeat aforesaid operations and No. two gears 6 are positioned on the second output shaft 4；It is arranged linkage
Before gear 7, positioning sleeve 33 first is arranged on the first output shaft 3, is set on linkage gear after No. three gears 8 and No. four gears 9,
Mobile No. two gears 6 and realize No. three gears 8 engaged with a gear 5 and No. two gears 6, No. four gears 9 and a gear 5 and
No. two gears 6 are engaged, and No. two gears 6 is offseted with linkage gear 7.It is open from casing 1 and wedge component 10 is positioned over casing 1
Assembly space in, wedge component 10 is set on the first output shaft 3, then close up wedge component 10 first piece 12 and
Two piece 13 of fastener fixed part 103, and realize by screw 105 fixation of first piece 12 and second piece 13, now wedge group
The gap of 10 and first output shaft of part 3 coordinates, the both sides end face of wedge component respectively with the inwall of casing 1 and an end face phase of gear 5
Support.Wherein, two pads can be arranged on the first output shaft, and wedge component 10 is located between two pads, it is defeated second
A pad is arranged on shaft, and the pad on the second output shaft is located between No. two gears 6 and the inwall of casing 1.
Casing of the present utility model is structure as a whole, and output shaft axis hole and input shaft axis hole may be contained within casing, can carry
The precision of height output axle axis hole, noise when reduction reduction box is used；Due to only needing to that axis hole is processed on casing, it is not necessary to
Output shaft axis hole is processed on case lid, can shorten reduction box and process is used for and reduces processing cost.The utility model passes through first
Set wedge component to be fixed with the axial limiting for realizing differential assembly in casing on output shaft or the second output shaft, pass through gear etc.
Axially offseted between parts, parts and cabinet wall offset to realize the axial limiting of differential assembly and wedge component in casing
Fixed, gap is minimum to reduce required casing along the assembly space on output shaft axial direction between adjacent parts axial direction, makes box house
Structure is more compact, and can make that casing assembly space does is smaller, and the volume that can cast casing of the present utility model and case lid is more
It is small, to substantially reduce reduction box casting timber-used amount, simultaneously because casing assembly space reduces, it is covered in the lubrication tooth on cabinet wall
The grease of wheel tails off, and can reduce the consumption of lubricant grease.
Claims (10)
1. a kind of high-precision rear axle of scooter reduction box, it is characterised in that including casing, the casing is formed with inner chamber, and casing
It is formed with and is open so that inner chamber is communicated with the external world, be combined with case lid at the opening of the casing, described in the case lid is used to closing
It is formed with opening, the casing and supplies the output shaft axis hole that shaft passes through, the input shaft axis hole passed through for input shaft, the case
Be provided with motor in vitro, the interior intracavitary of the casing is provided with differential assembly, the motor shaft of the motor with it is defeated
Enter axle linkage, the input shaft is linked by differential assembly and output shaft, and the opening is located relatively at output shaft radial outside, and
The opening deviates output shaft axis hole, input shaft axis hole.
2. high-precision rear axle of scooter reduction box according to claim 1, it is characterised in that the output shaft includes first
Output shaft and the second output shaft, first output shaft and the second output shaft have one end to be fixed in casing, and described first is defeated
The other end of the other end of shaft and the second output shaft is respectively extended on the outside of casing by an output shaft axis hole, and described first is defeated
Shaft and the second output shaft are linked by the differential assembly being fixed in casing, and the differential assembly includes being fixed on the first output
Wedge component is provided with a gear and No. two gears being fixed on the second output shaft on axle, the output shaft, it is described
Wedge component is arranged on the first output shaft, and the wedge component is limited between cabinet wall and a gear；
Or the wedge component is arranged on the second output shaft, the wedge component be limited in cabinet wall and No. two gears it
Between.
3. high-precision rear axle of scooter reduction box according to claim 2, it is characterised in that the wedge component includes the
One piece and second piece, described first piece and second piece is respectively formed arc opening, described first piece one end with described second piece
One end is hinged fixation by jointed shaft, and the diameter parallel of the axis of the jointed shaft and the output shaft is set, described first piece
The other end be fixed together with described second piece of the other end by fastener, the wedge component is fixed and made with output shaft
Described first piece and second piece be located at the output shaft diametrically both sides respectively wherein side.
4. the high-precision rear axle of scooter reduction box according to Claims 2 or 3, it is characterised in that first output shaft and
Second output shaft is coaxially disposed, and input shaft, the input shaft axis and the first output shaft axis are fixed with the casing
It is arranged in parallel, the input shaft links with linkage gear, No. three gears and four being oppositely arranged is fixed with the linkage gear
Number gear, the axis of No. three gears and the axis of No. four gears with plane is vertical where the linkage gear axis sets
Put, the linkage gear is set on output shaft, and No. three gears and No. four gears are located at respectively positioned at output Axial and radial
The wherein side of opposite sides, a gear and No. two gears are engaged with No. three gears, a gear and No. two
Gear is engaged with No. four gears, and a gear, No. two gears, No. three gears and No. four gears are bevel gear.
5. high-precision rear axle of scooter reduction box according to claim 4, it is characterised in that the linkage gear is formed with
Two first run through groove, and No. three gears and No. four gears are individually fixed in one first in groove, No. three gears and four
Number gear is limited between a gear and No. two gears, and each first connects through groove with one second through groove,
And No. three gears and No. four gears are set in outside a fixing axle, one second coordinates through groove and a fixing axle, often
Individual fixing axle at least one end is located at described second in groove, and the fixing axle is located at the described second part in groove
With the second plane that mutual cooperation is formed with through groove, the plane of the fixing axle coordinates with reality with the described second plane run through
Show the radially fixed of the fixing axle, No. three gears and No. four are equipped with bevel gear bearing between gear and fixing axle.
6. high-precision rear axle of scooter reduction box according to claim 4, it is characterised in that first output shaft and
The part that two output shafts are located in casing is each formed with being combined with the first pin in a pin hole, the pin hole of the first output shaft,
The second pin is combined with the pin hole of second output shaft, a side end face of a gear is formed with umbrella tooth, described No. one
Another side end face of gear is formed with the first pin holding tank for accommodating the first pin, a side end face of No. two gears
Umbrella tooth is formed with, another side end face of No. two gears is formed with the second pin holding tank for accommodating the second pin.
7. high-precision rear axle of scooter reduction box according to claim 4, it is characterised in that the side of the linkage gear
End face offsets with positioning sleeve, and another side end face of the linkage gear offsets with a gear or No. two gears, the positioning sleeve
It is set in linkage gear on same output shaft, the positioning sleeve is located between a gear and No. two gears.
8. high-precision rear axle of scooter reduction box according to claim 3, it is characterised in that described first piece and second piece
Include clamping part, the fastener fixed part for being hinged fixed part, the clamping part other end of clamping part one end, institute of curved setting
State the thickness of first piece of clamping part and the consistency of thickness of second piece of clamping part, described first piece be hinged fixed part thickness value
The value less than or equal to first piece of clamping part thickness, described first are added with the described second piece value for being hinged fixed part thickness
The fastener fixed part of block and second piece of fastener fixed part are fixed so that first piece of arc opening and second piece of arc
Opening is closed and is formed with along the rounded endoporus of output shaft radial section, and the wedge component is matched somebody with somebody with the output shaft clearance
Close.
9. the high-precision rear axle of scooter reduction box according to Claims 2 or 3, it is characterised in that relative the two of the casing
End is respectively formed with to extension on the outside of casing and radial section inner edge rounded the first fixed part and the second fixed part, described
First output shaft is fixed by some output shaft bearings with first fixed part, and second output shaft passes through some output shafts
Bearing is fixed with second fixed part, is arranged with sleeve pipe on first output shaft or the second output shaft, described sleeve pipe and the
One fixed part or the second fixed part are formed with the fixing structure of mutual cooperation, and the other end and the fixed seat of described sleeve pipe are formed with phase
The fixing structure mutually coordinated, the fixed seat is fixed with fixed position, and described sleeve pipe is limited in fixed seat and the first fixed part
Or second between fixed part.
10. high-precision rear axle of scooter reduction box according to claim 9, it is characterised in that first fixed part is remote
One end of second fixed part is provided with the first oil sealing, and the described one end of second fixed part away from the first fixed part is provided with the second oil sealing,
The output shaft bearing is needle bearing.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720090841.5U CN206478187U (en) | 2017-01-24 | 2017-01-24 | High-precision rear axle of scooter reduction box |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720090841.5U CN206478187U (en) | 2017-01-24 | 2017-01-24 | High-precision rear axle of scooter reduction box |
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| CN206478187U true CN206478187U (en) | 2017-09-08 |
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| CN201720090841.5U Active CN206478187U (en) | 2017-01-24 | 2017-01-24 | High-precision rear axle of scooter reduction box |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107246464A (en) * | 2017-01-24 | 2017-10-13 | 浙江联宜电机有限公司 | High-precision rear axle of scooter reduction box |
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2017
- 2017-01-24 CN CN201720090841.5U patent/CN206478187U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107246464A (en) * | 2017-01-24 | 2017-10-13 | 浙江联宜电机有限公司 | High-precision rear axle of scooter reduction box |
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