CN206579772U - The body frame structure for automotive of axle-driven bicycle - Google Patents
The body frame structure for automotive of axle-driven bicycle Download PDFInfo
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- CN206579772U CN206579772U CN201720307618.1U CN201720307618U CN206579772U CN 206579772 U CN206579772 U CN 206579772U CN 201720307618 U CN201720307618 U CN 201720307618U CN 206579772 U CN206579772 U CN 206579772U
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Abstract
The utility model is related to a kind of body frame structure for automotive of axle-driven bicycle.It includes main body of vehicle frame and driving-shaft assembly, the bottom of main body of vehicle frame is provided with five logical seats, extend connecting shaft toward side in the front end of driving-shaft assembly, the outer wall of connecting shaft is provided with external screw thread, connecting shaft passes through locking sleeve by one end of locking sleeve, and five logical seats extend stacker towards driving-shaft assembly direction.Driving-shaft assembly is designed to detachable by the utility model, the front end of driving-shaft assembly is locked on five logical seats of main body of vehicle frame by locking nut, compared to the vehicle frame of existing bicycle, driving-shaft assembly easy disassembling of the present utility model, when driving-shaft assembly is dismounted, only need to unscrew or tighten locking nut just can realize dismounting, and the intensity of driving-shaft assembly of the present utility model is high, main body of vehicle frame can omit the parts such as back vent, therefore vehicle frame of the present utility model makes simple, processing cost is low, so as to improve production efficiency of the present utility model, substantially increase yield.
Description
Technical field
The utility model is related to axle-driven bicycle technical field, particularly a kind of body frame structure for automotive of axle-driven bicycle.
Background technology
The vehicle frame of existing axle driving pattern bicycle such as China Patent No. 201510634705.3 is in public affairs on January 27th, 2016
A kind of Chainless bicycle and its wheel fork, the vehicle frame opened, the housing one of five logical seats and driving-shaft assembly of the axle-driven bicycle
It is body formed, after driving-shaft assembly assembles the drive disk assemblies such as power transmission shaft, bevel gear, then integrally it is welded on vehicle frame, therefore
Existing cycle frame has the following disadvantages：（1）The vehicle frame of existing bicycle is to be welded into one with driving-shaft assembly
Body, its driving-shaft assembly can not be disassembled, and can only withdraw vehicle during existing bicycle repairing driving-shaft assembly, and influence is used
Family is used.（2）Existing axle driving pattern bicycle is because the stress of power transmission shaft is poor, and the stiffness that vehicle frame will keep certain could be normal
Use, therefore in order to coordinate existing axle for bicycle transmission device, cycle frame must weld left breeches pipe, this is just invisible
The production cost and manufacturing procedure of middle increase bicycle, while also make it that the vehicle frame of bicycle is wordy, unsightly.To sum up institute
State, the vehicle frame manufacture of existing axle-driven bicycle is complicated, and manufacturing procedure is more, driving-shaft assembly is non-disconnectable.
Utility model content
The purpose of this utility model is to provide a kind of easy simple and reasonable for structure, firm, production, production efficiency height, passed
Moving axis assembly is removable and dismounts, repairs the body frame structure for automotive of easy and convenient axle-driven bicycle.
What the purpose of this utility model was realized in：
A kind of body frame structure for automotive of axle-driven bicycle, including main body of vehicle frame and driving-shaft assembly, the bottom of the main body of vehicle frame
Portion is integrally formed provided with five logical seats, described five logical seats with main body of vehicle frame, and described five logical seats are provided with locking sleeve, the power transmission shaft
Connecting shaft is extended in the front end of assembly toward side, and the outer wall of the connecting shaft is provided with external screw thread, and the connecting shaft is by lock sleeve
One end of pipe passes through and is bolted with locking nut on locking sleeve, the external screw thread of connecting shaft, and locking nut forces the another of tight locking sleeve
One end, so that the front end of driving-shaft assembly is fixed on main body of vehicle frame.Described five logical seats extend towards driving-shaft assembly direction to be held
Joint chair, the stacker is seated on the front end top surface of driving-shaft assembly.
The utility model can also be improved further below.
The locking sleeve is located at stacker side and positioned at the lower section of stacker.
The stacker is in ﹁ shapes.
The top surface of the driving-shaft assembly front end is provided with flange retaining wall, and flange retaining wall is connected on the side of stacker.
The corner of the stacker is provided with rounding, and the front end correspondence rounding of the driving-shaft assembly is held provided with curved surface
Socket part, the curved surface undertaking site is between flange retaining wall and connecting shaft, the shape of the curved surface carrier and the shape of rounding
Shape matches, and the curved surface carrier is connected on the bottom surface of rounding, and the flange retaining wall is abutted on the side of stacker.Cause
This, the rounding of stacker is connected on the curved surface carrier of driving-shaft assembly, so as to further increase both contact surfaces
Product, therefore the lifting surface area of five logical seats is big, pressure-bearing is small, so that stress occur excessive and be broken for the local locations for avoiding five logical seats
With the service life for extending vehicle frame and five logical seats.The flange retaining wall abuts the radian of the rounding on the side of stacker
For 30 ° -80 °.Preferably 60 °.
The top surface and end face of the driving-shaft assembly front end are connected on the bottom surface of stacker, effectively prevent driving-shaft assembly
Front end positioning forward during bicycle running, causes to connect axle fracture.
Be threaded with stop nut at the externally threaded outermost of the connecting shaft, stop nut and locking nut it is outer
End offsets.In the structure of the outer increase stop nut of locking nut, because the external screw thread of stop nut and connecting shaft tightens extruding
Locking nut, so as to reach the purpose mutually locked, this structure is connected firmly, and double locking structure ensures user when in use
It will not release.
The first outer conical surface, the driving-shaft assembly front end and connecting shaft are provided with the inner outer wall of the locking nut
Junction be provided with the second outer conical surface, the left and right two ends inwall of the locking sleeve be respectively equipped with the first internal conical surface and
Second internal conical surface, the second outer conical surface of driving-shaft assembly front end and the second internal conical surface of locking sleeve offset, the lock
Tight first outer conical surface of nut and the first internal conical surface of locking sleeve offset, and use locking nut with being connected axle thread company
Connect, so that the first outer conical surface of locking nut and the first internal conical surface of locking sleeve constitute the mutual conical surface and be fitted close, pass
Second outer conical surface of moving axis assembly front end and the second internal conical surface of locking sleeve constitute the mutual conical surface and are fitted close, so as to carry
High the being completely embedded property and fastness of five logical seats and driving-shaft assembly.
The driving-shaft assembly includes transmission shaft housing, middle axle driven component and power transmission shaft, the front end of the power transmission shaft
The first bevel gear and the second bevel gear are respectively arranged with rear end, middle axle driven component and the first bevel gear are connected, described
Transmission shaft housing, which is closed up by left shell and right shell body or so and is fixed together, to be constituted, along transmission in the transmission shaft housing
The length direction of shaft housing is arranged on transmission axocoel provided with transmission axocoel, length direction of the power transmission shaft along transmission shaft housing
Interior, the middle axle driven component and the first bevel gear are located at the front end of transmission axocoel, and the second bevel gear is located at after transmission axocoel
End.
The lock screw sequentially passes through five logical seats, left shell and is threadedly coupled with right shell body, and the lock screw is by five
Logical seat, left shell are simultaneously fixed together with right shell body, and the lock screw is both connection driving-shaft assembly and five logical seats
Connector, while being also the connector for the left and right housing for connecting driving-shaft assembly, when service worker unscrews lock screw, both
Driving-shaft assembly has been pulled down, and has taken driving-shaft assembly, therefore driving-shaft assembly of the present utility model, dismounting, maintenance apart simultaneously
It is very convenient.
The left shell and right shell body are in elongated housing shape, and the left shell and right shell body or so closes up and be fixedly connected
Into the transmission shaft housing of an elongated housing shape, therefore the intensity of transmission shaft housing of the present utility model is high, structure is firm.
Together with the left shell is bolted to connection with right shell body, the left shell is along its length provided with more
Individual T-shaped counterbore, the right shell body is provided with multiple screwed holes along its length, and the T-shaped counterbore is corresponding with screw thread hole site, institute
Stating bolt passes through T-shaped counterbore simultaneously and screw hole, so as to realize that left and right housing closes up and is fixed together.The spiral shell
Bolt is become fully hidden in T-shaped counterbore, so that appearance looks elegant of the present utility model, succinct.
The axis of the front end both sides correspondence middle axle driven component of the transmission shaft housing is respectively arranged with the first axis hole and the
The first axis hole and the second axis hole, the two ends of the axis are stretched out in two axis holes, the two ends of the axis of the middle axle driven component respectively
For connecting two pedals.
Connecting shaft is extended in the front end of the transmission shaft housing toward side, and the outer wall of the connecting shaft is provided with external screw thread,
First axis hole and the second axis hole are respectively positioned at the end face and the opposite side of power transmission shaft case nose of connecting shaft.Connecting shaft is used for
Five logical seats of connection transmission shaft housing and vehicle frame, so as to realize that the utility model is connected with frame five-through seat.
The connecting shaft is extended in the front end of the left shell toward left side, and first axis hole and the second axis hole are located at respectively
On the end face of connecting shaft and the leading exterior surface of right shell body.
The back end outer surface of the transmission shaft housing is concavely provided with rear axle gear and installs cavity, and the rear axle gear is installed recessed
The perforate that rear axle gear installs cavity and transmission axocoel is communicated with the madial wall of chamber, the teeth of the bevel gear of part second pass through
Perforate exposes outside transmission axocoel, and is installed positioned at rear axle gear in cavity.
When the utility model is connected with bicycle rear wheel, the outer end of the rear axle of rear wheel installs recessed through rear axle gear
Rear shaft bevel gear on chamber, rear axle is installed on rear axle gear and installed in cavity, and is connected with rear bevel gear, rear shaft bevel gear
It is installed on rear axle gear to install in cavity, rear shaft bevel gear effectively after protection, it is to avoid rear shaft bevel gear is damaged, damaged, it is to avoid
Mechanical breakdown, and rear shaft bevel gear is not exposed, appearance looks elegant.
The rear axle gear installs the back end outer surface side that cavity is located at transmission shaft housing, and the rear axle gear is installed recessed
The inner bottom wall of chamber is provided with Triaxial hole, and the opposite side of the back end outer surface of the transmission shaft housing is provided with the 4th axis hole.
The outer surface of the left shell is arranged with the rear axle gear and installs cavity, the Triaxial hole and the 4th axis hole point
Not Wei Yu rear axle gear install cavity inner bottom wall and right shell body outer surface on.
The left shell and right shell body are provided with a plurality of reinforcement, so that intensity of the present utility model is further enhancing,
And then the intensity of cycle frame is enhanced, therefore cycle frame of the present utility model can omit the upper branch pipe at vehicle frame rear portion
With lower breeches pipe.Preferably, the reinforcement is on the inwall of left shell and right shell body, and such design was both further improved
The intensity of transmission shaft housing, improves the aesthetic property of transmission shaft housing, so as to avoid influenceing aesthetic property of the present utility model again.
The two ends of the transmission axocoel correspondence power transmission shaft are respectively arranged with first bearing seat and second bearing seat, so that convenient
Assembling, the installation of second bearing.
The middle axle driven component includes axis and input bevel gear, and the axis is rotatably arranged on biography by clutch shaft bearing
The front end of moving axis chamber, the input bevel gear is sheathed on axis and is connected with middle axle driven, the input bevel gear and first
Bevel gear is connected.
The power transmission shaft is rotatably arranged on power transmission shaft intracavitary by second bearing.
The transmission axocoel specifically includes front gear chamber, axocoel and backgear chamber, the front gear chamber and backgear chamber
It is located at the front-end and back-end of axocoel respectively, the axocoel connection front gear chamber and backgear chamber, the drive axis are arranged on
In axocoel, the middle axle driven component and the first bevel gear are located at front gear intracavitary, and the second bevel gear is located at backgear intracavitary.
The axis is rotatably arranged on front gear intracavitary by clutch shaft bearing, and the input bevel gear is sheathed on axis simultaneously
It is connected with middle axle driven, the input bevel gear and the first bevel gear are connected, and the power transmission shaft is rotated by second bearing
It is arranged in axocoel.
The transmission shaft housing is thick, middle flat-shaped in two ends, and the utility model structure is firm, intensity is high, production cost is low,
It is overall appearance anatomic shape, good-looking.
The connecting shaft and flange retaining wall are separately positioned on the front end of left shell and right shell body.
The beneficial effects of the utility model are as follows：
（One）The driving-shaft assembly of bicycle is designed to detachable by the utility model, and the front end of the driving-shaft assembly leads to
Cross locking nut and be firmly locked and lead to the five of main body of vehicle frame on seat, five logical seats are connected firm with driving-shaft assembly, compared to existing
The vehicle frame of axle driving pattern bicycle, driving-shaft assembly of the present utility model is removable and dismounts, maintenance is easy, conveniently, and power transmission shaft is total
Into during dismounting, only need to unscrew or tighten locking nut just can realize dismounting, moreover, the intensity of driving-shaft assembly of the present utility model
Height, the connection stress of five logical seats and driving-shaft assembly is good, and main body of vehicle frame can omit the parts such as back vent, therefore of the present utility model
Body frame structure for automotive is simple and makes simple, and processing cost is low, so as to improve production efficiency of the present utility model, shortens production
In the cycle, substantially increase yield.
（Two）Moreover, of the present utility model five logical seats are seated at the curved surface carrier of the front end of driving-shaft assembly by stacker
On, the shape of curved surface carrier and the shape of stacker match, and the curved surface carrier of stacker and driving-shaft assembly realizes face
Contact, therefore the lifting surface area of five logical seats is big, pressure-bearing is small, so that stress occur excessive and disconnected for the local locations for avoiding five logical seats
Split, therefore extend the service life of vehicle frame and five logical seats.Body frame structure for automotive of the present utility model is simple, and processing cost is low.
（Three）More have plenty of, left shell, the right shell body of driving-shaft assembly of the present utility model are fixedly connected to be surrounded with closing up
Input gear chamber, axocoel and output gear chamber, driving-shaft assembly of the present utility model instead of existing with left shell, right shell body
Have the parts such as input gear case, central siphon and the output gear case of axle for bicycle transmission device, structure is simpler, parts more
It is few, so that reduce machining operation of the present utility model, reduce assembly error, reduce processing charges, and this practicality
New left and right shell structure is firm, intensity is high, so as to improve the reliability of cycle frame.Therefore it is equipped with this practicality
New cycle frame can dispense the structure such as upper branch pipe and lower breeches pipe, the utility model not only significantly proof strength it
It is remaining, and can reduce the welding of cycle frame upper branch pipe and lower breeches pipe, thus greatly reduce vehicle frame processing technology and
Production cost is reduced, while so that cycle frame is more succinct, attractive in appearance.
（Four）Moreover, the inner surface of left and right housing of the present utility model is provided with ribs, thus further increase it is left,
The intensity of right shell body.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is Fig. 1（Omit rear wheel）Decomposition texture schematic diagram.
Fig. 3 is the structural representation of Fig. 2 another angle.
Fig. 4 is Fig. 2 decomposition texture schematic diagram.
Fig. 5 is the structural representation of driving-shaft assembly of the present utility model.
Fig. 6 is Fig. 5 decomposition texture schematic diagram.
Fig. 7 is Fig. 6 another angle（Omit middle axle driven component and power transmission shaft）Structural representation.
Embodiment
Below in conjunction with the accompanying drawings and embodiment is further described to the utility model.
Referring to shown in Fig. 1 to Fig. 7, a kind of body frame structure for automotive of axle-driven bicycle, including main body of vehicle frame 2 and driving-shaft assembly
1, the bottom of the main body of vehicle frame 2 is provided with five logical seats 21, and described five logical seats 21 are integrally formed with main body of vehicle frame 2, described five logical seats
21 are provided with locking sleeve 27, and connecting shaft 101 is extended in the front end of the driving-shaft assembly 1 toward side, the connecting shaft 101
Outer wall is provided with external screw thread, and the connecting shaft 101 passes through locking sleeve 27 by one end of locking sleeve 27, connecting shaft 101
Locking nut 23 is bolted with external screw thread, locking nut 23 forces the other end of locking sleeve, so that the front end of driving-shaft assembly is consolidated
It is scheduled on main body of vehicle frame.Described five logical seats extend stacker towards driving-shaft assembly direction, and it is total that the stacker is seated at power transmission shaft
Into front end top surface on.
It is used as more specifically technical scheme of the present utility model.
The stacker is in ﹁ shapes.The locking sleeve 27 is located at the side of stacker 26 and positioned at the lower section of stacker, institute
The top surface for stating the front end of driving-shaft assembly is connected to the bottom surface of stacker 26.
The top surface of the front end of driving-shaft assembly 1 is provided with flange retaining wall 113, and flange retaining wall 113 is connected to stacker 26
Side on.
The corner of the stacker 26 is provided with rounding 261, the front end correspondence rounding 261 of the driving-shaft assembly 1
Provided with curved surface carrier 114, the curved surface carrier 114 is located between flange retaining wall 113 and connecting shaft 101, and the curved surface is held
The shape of socket part 114 and the shape of rounding 261 match, and the curved surface carrier 114 is connected to the bottom of rounding 261
On face, the flange retaining wall 113 is abutted on the side of stacker 26.Therefore, the rounding 261 of stacker 26 is connected to power transmission shaft
On the curved surface carrier of assembly, so that both contacts area are further increased, therefore the lifting surface area of five logical seats is big, pressure-bearing
It is small, so that stress occur excessive and be broken and extend the use longevity of vehicle frame and five logical seats for the local locations for avoiding five logical seats
Life.The radian of the rounding 261 is 30 ° -80 °.Preferably 60 °.
The top surface and end face of the driving-shaft assembly front end are connected on the bottom surface of stacker, effectively prevent driving-shaft assembly
Front end positioning forward during bicycle running, causes to connect axle fracture in the course of time.
Stop nut 22, stop nut 22 and locking are threaded with the externally threaded outermost of the connecting shaft 101
The outer end of nut 23 offsets.In the structure of the outer increase stop nut of locking nut, due to stop nut and the outer spiral shell of connecting shaft
Line tightens extruding locking nut, so as to reach the purpose mutually locked, this structure is connected firmly, and double locking structure ensures to use
Family will not be released when in use.
Be provided with the first outer conical surface 231 on the inner outer wall of the locking nut 23, the front end of driving-shaft assembly 1 with
The junction of connecting shaft 101 is provided with the second outer conical surface 115, and the left and right two ends inwall of the locking sleeve 27 is respectively equipped with
First internal conical surface 271 and the second internal conical surface 272, the first outer conical surface 231 and locking sleeve 27 of the locking nut 23
The first internal conical surface 271 offset, and use locking nut and be threadedly coupled with connecting shaft, so that the first outer cone of locking nut
First internal conical surface of face and locking sleeve constitutes the mutual conical surface and is fitted close, the second outer conical surface of the front end of driving-shaft assembly 1
115 offset with the second internal conical surface 272 of locking sleeve 27, so that the second outer conical surface 115 is constituted with the second internal conical surface 272
The mutual conical surface is fitted close, so as to improve the being completely embedded property and fastness of five logical seats and driving-shaft assembly.
The driving-shaft assembly 1 includes transmission shaft housing 10, middle axle driven component 13 and power transmission shaft 16, the power transmission shaft
16 front-end and back-end are respectively arranged with the first bevel gear 161 and the second bevel gear 162, the umbrella tooth of middle axle driven component 13 and first
Wheel 161 is connected, and the transmission shaft housing 10 is closed up by left shell 11 and right shell body 12 or so and is fixed together structure
Into, it is described transmission shaft housing 10 in along its length provided with transmission axocoel 19, the power transmission shaft 16 along transmission shaft housing 10
Length direction be arranged on transmission axocoel 19 in, the bevel gear 161 of middle axle driven component 13 and first be located at transmission axocoel 19
Front end, the second bevel gear 162 be located at transmission axocoel 19 rear end.
The clamping screw 24 sequentially passes through five logical seats 21, left shell 11 and is threadedly coupled with right shell body 12, the locking
Screw is fixed together five logical seats, left shell and with right shell body.
The left shell 11 and right shell body 12 are in elongated housing shape, and the left shell 11 and right shell body 12 or so close up shape
Into the transmission shaft housing 10 of an elongated.More particularly, the transmission shaft housing 10 is thick, middle flat-shaped in two ends.
Together with the left shell 11 is bolted to connection with right shell body 12, the left shell 11 is along its length
Provided with multiple T-shaped counterbores 112, the right shell body 12 along its length be provided with multiple screwed holes 111, the T-shaped counterbore 112 with
The position of screwed hole 111 correspondence, the bolt passes through T-shaped counterbore simultaneously and screw hole, so that left and right housing 11,12 is locked, it is real
Existing left and right housing 12 closes up and is fixed together.The bolt is become fully hidden in T-shaped counterbore, so that this practicality
It is new appearance looks elegant, succinct.
The two ends of the axis 17 of the front end both sides correspondence middle axle driven component 13 of the transmission shaft housing 10 are respectively arranged with
The first axis hole 103 and the second axis hole 102 are stretched out in first axis hole 103 and the second axis hole 102, the two ends of the axis 17 respectively.Institute
The position that the first axis hole 103 is stated with the second axis hole 102 is corresponding.
Connecting shaft 101 is extended in the front end of the transmission shaft housing 10 toward side, and the outer wall of the connecting shaft 101 is provided with
External screw thread, the axis hole 102 of the first axis hole 103 and second is located at end face and transmission shaft housing 10 front end of connecting shaft 101 respectively
Opposite side.
It is used as more detailed technical scheme of the present utility model.
Extend the connecting shaft 101, the axis hole of the first axis hole 103 and second toward left side in the front end of the left shell 11
102 are located on the leading exterior surface of the end face of connecting shaft 101 and right shell body 12 respectively.
The back end outer surface of the transmission shaft housing 10 is concavely provided with rear axle gear and installs cavity 106, the rear axle gear
The perforate 107 that rear axle gear installs cavity 106 and transmission axocoel 19, part the are communicated with the madial wall for installing cavity 106
The teeth of two bevel gears 162 expose outside transmission axocoel 19 by perforate 107, and are installed positioned at rear axle gear in cavity 106.
The rear axle gear installs the back end outer surface side that cavity 106 is located at transmission shaft housing 10, the rear axle gear
The inner bottom wall for installing cavity 106 is provided with Triaxial hole 104, and the opposite side of the back end outer surface of the transmission shaft housing 10 is provided with
4th axis hole 105.
It is used as more detailed technical scheme of the present utility model.
The outer surface of the left shell 11 is arranged with the rear axle gear and installs cavity 106, the Triaxial hole 104 and the
Four axis holes 105 are located at rear axle gear and installed in the inner bottom wall of cavity 106 and the outer surface of right shell body 12 respectively.The Triaxial hole
104 is corresponding with the position of the 4th axis hole 105.
The left shell 11 and right shell body 12 are provided with a plurality of reinforcement 191, it is preferred that the reinforcement is located at left housing
On the inwall of body and right shell body, such design both further increases the intensity of transmission shaft housing, improves again outside power transmission shaft
The aesthetic property of shell, so as to avoid influenceing aesthetic property of the present utility model.
The power transmission shaft 16 is rotatably arranged in transmission axocoel 19 by second bearing 172, and the transmission axocoel correspondence is passed
The two ends of moving axis 16 are respectively arranged with first bearing seat 121 and second bearing seat 122, and two second bearings 172 are separately mounted to
In first bearing seat 121 and second bearing seat 122, so as to facilitate the assembling of second bearing 172, installation.
The middle axle driven component 13 includes axis 17 and input bevel gear 18, and the axis 17 passes through clutch shaft bearing 171
The front end of transmission axocoel 19 is rotatably arranged on, the input bevel gear 18 is sheathed on axis 17 and is connected with axis 17,
The input bevel gear 18 is connected with the first bevel gear 161.
It is used as more detailed technical scheme of the present utility model.
The transmission axocoel 19 specifically includes front gear chamber 14, axocoel 190 and backgear chamber 15, the front gear chamber
14 and backgear chamber 15 be located at the front-end and back-end of axocoel 190, the axocoel 190 connection front gear chamber 14 and backgear chamber respectively
15, the power transmission shaft 16 is rotatably arranged in axocoel 190, and the bevel gear 161 of middle axle driven component 13 and first is located at nipper
Take turns in chamber 14, the second bevel gear 162 is located in backgear chamber 15.
The axis 17 is rotatably arranged in front gear chamber 14 by clutch shaft bearing 171, and the input bevel gear 18 is arranged
It is connected on axis 17 and with axis 17, the input bevel gear 18 is connected with the first bevel gear 161, the transmission
Axle 16 is rotatably arranged in axocoel 190 by second bearing 172.
Claims (10)
1. a kind of body frame structure for automotive of axle-driven bicycle, including main body of vehicle frame and driving-shaft assembly, the bottom of the main body of vehicle frame
Provided with five logical seats, it is characterised in that：Described five logical seats are integrally formed with main body of vehicle frame, and described five logical seats are provided with locking sleeve,
Connecting shaft is extended in the front end of the driving-shaft assembly toward side, and the outer wall of the connecting shaft is provided with external screw thread, the connection
Axle is passed through by one end of locking sleeve and is bolted with locking nut on locking sleeve, the external screw thread of connecting shaft, and locking nut forces tight lock
The other end of tight sleeve pipe, described five logical seats extend stacker towards driving-shaft assembly direction, and it is total that the stacker is seated at power transmission shaft
Into front end top surface on.
2. the body frame structure for automotive of axle-driven bicycle according to claim 1, it is characterised in that：The locking sleeve is located at undertaking
Seat side and the lower section for being located at stacker.
3. the body frame structure for automotive of axle-driven bicycle according to claim 2, it is characterised in that：The stacker is in ﹁ shapes.
4. the body frame structure for automotive of axle-driven bicycle according to claim 3, it is characterised in that：The driving-shaft assembly front end
Top surface is provided with flange retaining wall, and flange retaining wall is connected on the side of stacker.
5. the body frame structure for automotive of axle-driven bicycle according to claim 4, it is characterised in that：The corner of the stacker is set
There is rounding, the front end correspondence rounding of the driving-shaft assembly is provided with curved surface carrier, and the curved surface undertaking site is in flange
Between retaining wall and connecting shaft, the shape of the curved surface carrier and the shape of rounding match, and the curved surface carrier is abutted
On the bottom surface of rounding, the flange retaining wall is abutted on the side of stacker.
6. the body frame structure for automotive of axle-driven bicycle according to claim 5, it is characterised in that：The driving-shaft assembly front end
Top surface and end face are connected on the bottom surface of stacker.
7. the body frame structure for automotive of axle-driven bicycle according to claim 6, it is characterised in that：The connecting shaft it is externally threaded
It is threaded with stop nut at outermost, the outer end of stop nut and locking nut offsets.
8. the body frame structure for automotive of axle-driven bicycle according to claim 7, it is characterised in that：The inner of the locking nut is outer
It is provided with the first outer conical surface on wall, the junction of the driving-shaft assembly front end and connecting shaft is provided with the second outer conical surface,
The inwall at the locking sleeve two ends is respectively equipped with the first internal conical surface and the second internal conical surface, the locking nut first outside
First internal conical surface of circular conical surface and locking sleeve offsets, the second outer conical surface of driving-shaft assembly front end and the of locking sleeve
Two internal conical surfaces offset.
9. the body frame structure for automotive of axle-driven bicycle according to claim 8, it is characterised in that：The driving-shaft assembly includes passing
Moving axis shell, middle axle driven component and power transmission shaft, the front-end and back-end of the power transmission shaft be respectively arranged with the first bevel gear and
Second bevel gear, middle axle driven component and the first bevel gear are connected, it is characterised in that：The transmission shaft housing is by left shell
Close up with right shell body or so and be fixed together composition, is set in the transmission shaft housing along the length direction of transmission shaft housing
There is transmission axocoel, length direction of the power transmission shaft along transmission shaft housing is arranged on power transmission shaft intracavitary, the middle axle driven group
Part and the first bevel gear are located at the front end of transmission axocoel, and the second bevel gear is located at the rear end of transmission axocoel.
10. the body frame structure for automotive of axle-driven bicycle according to claim 1, it is characterised in that：Also include lock screw, it is described
Lock screw sequentially passes through five logical seats, left shell and is threadedly coupled with right shell body, and the lock screw leads to seat, left shells simultaneously by five
It is fixed together with right shell body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720307618.1U CN206579772U (en) | 2017-03-28 | 2017-03-28 | The body frame structure for automotive of axle-driven bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720307618.1U CN206579772U (en) | 2017-03-28 | 2017-03-28 | The body frame structure for automotive of axle-driven bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206579772U true CN206579772U (en) | 2017-10-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720307618.1U Active CN206579772U (en) | 2017-03-28 | 2017-03-28 | The body frame structure for automotive of axle-driven bicycle |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108032952A (en) * | 2017-11-13 | 2018-05-15 | 慈溪浩然驱动科技有限公司 | A kind of bicycle bottom bracket and rear chain stay assembling structure |
| WO2019019455A1 (en) * | 2017-10-30 | 2019-01-31 | 无锡岚凌卓维动力科技有限公司 | Bicycle transmission apparatus, and bicycle and electric bicycle provided with apparatus |
-
2017
- 2017-03-28 CN CN201720307618.1U patent/CN206579772U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019019455A1 (en) * | 2017-10-30 | 2019-01-31 | 无锡岚凌卓维动力科技有限公司 | Bicycle transmission apparatus, and bicycle and electric bicycle provided with apparatus |
| JP2021509375A (en) * | 2017-10-30 | 2021-03-25 | 株式会社アルミス | Bicycle drive device and bicycles and electric bicycles equipped with the bicycle drive device |
| CN108032952A (en) * | 2017-11-13 | 2018-05-15 | 慈溪浩然驱动科技有限公司 | A kind of bicycle bottom bracket and rear chain stay assembling structure |
| CN108032952B (en) * | 2017-11-13 | 2024-03-19 | 无锡川克智能电机有限公司 | Assembly structure of five-way and rear bottom fork of bicycle |
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