CN203294257U - Double-rear-wheel electric pushing system - Google Patents
Double-rear-wheel electric pushing system Download PDFInfo
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- CN203294257U CN203294257U CN2013202851536U CN201320285153U CN203294257U CN 203294257 U CN203294257 U CN 203294257U CN 2013202851536 U CN2013202851536 U CN 2013202851536U CN 201320285153 U CN201320285153 U CN 201320285153U CN 203294257 U CN203294257 U CN 203294257U
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Abstract
The utility model discloses a double-rear-end electric pushing system which is characterized by comprising a main supporting frame, an adjusting arm, a rear torsional arm, two damping and resetting devices, a left rear wheel, a right rear wheel, a battery assembly, a control system and a brake assembly. The adjusting arm comprises a supporting shaft, the supporting shaft comprises a connecting section and an inclined section which are arranged from front to back in sequence, the included angle beta between the connecting section and the inclined section is 120-160 degrees, and the front part of the supporting shaft is connected with the lower portion of the main supporting frame in a rotatable mode. The middle of the rear torsional arm is connected with the inclined section of the adjusting arm in a rotatable mode, and the rear torsional arm takes the axis of the inclined section as the rotating axis. The two damping and resetting devices are arranged to be left and right symmetrical about the plane which is vertically arranged in the front and back direction and passes through the center of the supporting arm of the main supporting frame. The left rear wheel and the right rear wheel are connected to the left side and the right side of the rear torsional arm in a rotatable mode respectively, the inclined section of the supporting shaft of the adjusting arm is perpendicular to the plane where the two damping and resetting devices are positioned, and the included angle gamma between the horizontal plane and the plane where the two damping and resetting devices are positioned is 30-60 degrees.
Description
Technical field
The utility model relates to field of vehicles, is specifically related to the electronic moving system of a kind of rear two-wheel for the vehicle.
Background technology
Along with the quickening of Urbanization in China and the develop rapidly of science and technology, the battery-driven car of energy-conserving and environment-protective has become the preferential vehicle of selecting of people, existing battery-driven car comprises electric two-wheel vehicle, electro-tricycle (electro-tricycle can be divided into again after previous round after two-wheeled type and front two-wheeled one and take turns type, and our electro-tricycle said refers to two-wheeled type after previous round usually) and electric four-wheel vehicle.Electric two-wheel vehicle is subject to youthful favor with its less volume and alerting ability more, but due to the more difficult grasp of its balance, electro-tricycle and electric four-wheel vehicle are subject to the elderly's welcome more.Now, China progressively enters aging society, and the elderly's quantity increases gradually, therefore the demand of electro-tricycle is also increased gradually.
The vehicle of the rear two-wheel as electro-tricycle and electric four-wheel vehicle turn to that there are the following problems: during turning, inside and outside wheel speed is inconsistent, easily causes to travel unstablely, and serious also can causing overturned; And the abrasion that can increase tire, there is potential safety hazard.More existing three-wheel vehicles adopt diff to solve the problems referred to above, but do like this, make complete vehicle structure become complicated, have greatly increased the weight of productive costs and car load, safeguard also corresponding increase of use cost.
The utility model content
The purpose of this utility model be to provide a kind of simple in structure, turn to flexibly, the electronic moving system of the vehicle for so rear two-wheel such as electro-tricycle and electric four-wheel vehicle of good stability.
The basic technical scheme of realizing the utility model purpose is: the electronic moving system of a kind of rear two-wheel, its constructional feature is: comprise main backstop, regulating arm, after turn round arm, damping reset attachment, left rear wheel, off hind wheel, battery component, control system and brake assemblies, by control system, controlled the corresponding rotating speed of left rear wheel and off hind wheel, by brake assemblies, left rear wheel and off hind wheel are carried out to corresponding braking control.Main backstop comprises hold-down arm, and hold-down arm is low early and high after and is obliquely installed.Regulating arm comprises pivot shaft.Pivot shaft comprises linkage section and the tilting section that sets gradually from front to back, and linkage section substantially is and is horizontally disposed with, and tilting section is low early and high after setting substantially.Angle β between linkage section and tilting section is that 120 degree are to 160 degree.The anterior hold-down arm bottom with main backstop of pivot shaft is rotationally connected, and pivot center is along left and right to setting.After turn round arm middle part and be rotationally connected with the tilting section of regulating arm, and take the axis of tilting section as pivot center.The damping reset attachment has 2,2 damping reset attachments being symmetrical set to the plane of vertical setting along front and back with the hold-down arm center through main backstop.Be positioned at the left side the damping reset attachment by its upper end be rotatably connected Shang， lower end, the top of bracing frame be rotatably connected after turn round on the left side central portion of arm.The damping reset attachment that is positioned at right side by its upper end be rotatably connected Shang， lower end, the top of bracing frame be rotatably connected after turn round on the right side central of arm.Left rear wheel and off hind wheel are turned round on the left and right sides of arm after being rotatably connected on respectively.After being arranged on, battery component turns round on arm, and between left rear wheel and off hind wheel.The tilting section of the pivot shaft of regulating arm is perpendicular to the plane at 2 damping reset attachment places.The plane at 2 damping reset attachment places and the angle γ of horizontal surface are that 30 degree are to 60 degree.
Technical scheme take above-mentioned basic technical scheme as basis is: left rear wheel and off hind wheel are the wheel hub motor wheel.Battery component is electrically connected to control system, left rear wheel and off hind wheel by corresponding circuit.
Technical scheme take technique scheme as basis is: main backstop also comprises lower link span.Lower link span is opening horizontally disposed " U " shape backward.Lower link span is fixedly installed on the rear side lower part of hold-down arm by its front center.Regulating arm also comprises connecting portion.Connecting portion is steel pipe, and connecting portion is along left and right to rotating between the rear portion two ends of link span under " U " shape that is arranged on main backstop by corresponding bearing pin, and the axis of this bearing pin is also the pivot center of connecting portion.Pivot shaft is weldingly fixed on the middle part rear side of connecting portion by its linkage section front end.
Technical scheme take technique scheme as basis is: between connecting portion and pivot shaft, also be provided with corresponding reinforced rib.
Technical scheme take technique scheme as basis is: regulating arm also comprises turning set.Turning set rotates and is arranged on the tilting section of pivot shaft, with the pivot shaft normal-running fit.After turn round arm and be along left and right to the framework of horizontally disposed oval shape.After turn round arm and be welded and fixed and be arranged on turning set downside corresponding site by middle part, its front side upside.
Technical scheme take technique scheme as basis is: main backstop also comprises upper link span.Upper link span is fixedly connected with along left and right to level on the rear upper lateral part that is arranged on hold-down arm.Upper link span comprises horizontal plate section and hang plate section.The horizontal plate section is fixedly connected with along left and right to level on the rear upper lateral part that is arranged on hold-down arm, and hang plate Duan Youqi front end is fixedly connected on horizontal plate section rear end from rear, and is low dip setting after front height.The angle γ of the angle α of hang plate section and horizontal surface and the plane at 2 damping reset attachment places and horizontal surface is identical.The damping reset attachment is Shock absorber, and described 2 Shock absorbers are divided into left Shock absorber and right Shock absorber by the difference of its position, residing left and right.Left Shock absorber is rotatably connected on the front side left part of the hang plate section of the upper link span of bracing frame by its upper end.Left Shock absorber by its lower end be rotatably connected after turn round on the anterior left side central portion of arm.Right Shock absorber is rotatably connected on the front side right part of the hang plate section of the upper link span of bracing frame by its upper end.Right Shock absorber by its lower end be rotatably connected after turn round on the anterior right side central of arm.
Technical scheme take technique scheme as basis is: between the hold-down arm of main backstop and upper link span, be provided with corresponding reinforcement gusset.
Technical scheme take technique scheme as basis is: also comprise seat-assembly.Seat-assembly comprises chair frame and chair cushion.Chair frame is fixedly installed on the hold-down arm of bracing frame, and chair cushion is fixedly installed on chair frame.
Technical scheme take technique scheme as basis is: also comprising that pedal, pedal are fixedly installed on the front portion of hold-down arm of main backstop shelves for both feet.
The utlity model has positive effect: (1) the utility model is simple in structure, and productive costs is lower, can be applicable in electro-tricycle and electric four-wheel vehicle applied range.
(2) the utility model has improved the rear two-wheel vehicle stationarity of travelling and the safety that turns to, and has brought simultaneously certain Driving.
(3) damping reset attachment of the present utility model, when vehicle runs into rugged road surface, has certain buffer action on upward and downward, can keep traveling comfort and the stability taken.
(4) when the utility model is applied, for example when being sitting on the cushion of the seat-assembly on the hold-down arm that is located at bracing frame when steering vehicle is turned, the driver can produce introversion left left, by seat, make assembly and drive regulating arm deflection to the left for hold-down arm, this moment, left side was partial in the tilting section rear end of regulating arm, due to the plane of tilting section perpendicular to left Shock absorber and right Shock absorber place, thereby (namely left side forward after acting on, to turn round after arm makes the corresponding displacement of two ends, left and right generation of turning round arm, right side backward), simultaneously left Shock absorber shortens, right Shock absorber elongation, after left Shock absorber and right Shock absorber make, turning round arm relatively rotates take the tilting section of regulating arm as turning cylinder, after turn round still maintenance level of arm, being also left rear wheel all keeps and the contacting of ground with off hind wheel, therefore being convenient to three-wheel vehicle steadily turns to, formation helps steering effect.After completing, turn inside diameter transfers while keeping straight on the dual reverse action of damping reset attachment and regulating arm, thereby the result of generation self-balancing to.
The accompanying drawing explanation
The structural representation of the electronic moving system of Fig. 1 rear two-wheel of the present utility model;
Fig. 2 is the schematic diagram while observing from the left anterior-superior part of Fig. 1;
Fig. 3 is the schematic diagram while observing from the left back top of Fig. 1;
Fig. 4 is the left view of Fig. 1;
Fig. 5 is the birds-eye view of Fig. 1;
Fig. 6 is the schematic diagram after Fig. 1 removes battery component;
Fig. 7 is the schematic diagram while observing from the left anterior-superior part of Fig. 6;
Fig. 8 is the schematic diagram while observing from the left back top of Fig. 6;
Fig. 9 is the A-A cutaway view in Fig. 6;
Figure 10 is the upward view of Fig. 6.
Mark in above-mentioned accompanying drawing is as follows:
Bracing frame 1, hold-down arm 11, lower link span 12, upper link span 13, horizontal plate section 13-1, hang plate section 13-2, strengthen gusset 14,
Regulating arm 2, connecting portion 21, pivot shaft 22, linkage section 22-1, tilting section 22-2, adapter plate 22-3, turning set 23, reinforced rib 24,
After turn round arm 3,
Damping reset attachment 4, left Shock absorber 41, right Shock absorber 42,
Left rear wheel 51, off hind wheel 52,
Seat-assembly 6, chair frame 61, chair cushion 62,
Pedal 7, battery component 8.
The specific embodiment
The state when description in orientation of the present utility model is driven according to common people carries out, it is also orientation shown in Figure 1, direction up and down shown in Figure 1 is the direction up and down of description, a side who deviates from Fig. 1 is the place ahead (is also chaufeur towards direction), and a side of court of Fig. 1 institute is rear (being also chaufeur direction behind).
(embodiment 1)
See Fig. 2 and Fig. 3, the electronic moving system of rear two-wheel of the present utility model comprise main backstop 1, regulating arm 2, after turn round arm 3, damping reset attachment 4, left rear wheel 51, off hind wheel 52, seat-assembly 6, pedal 7 and battery component 8.The utility model also is furnished with corresponding control system and brake assemblies, by control system, is controlled the corresponding rotating speed of left rear wheel 51 and off hind wheel 52, by brake assemblies, left rear wheel 51 and off hind wheel 52 is carried out to corresponding braking control.
See Fig. 4, Fig. 7, Fig. 9 and Figure 10, main backstop 1 comprises hold-down arm 11, lower link span 12 and upper link span 13.Hold-down arm 11 is the steel integral piece.Hold-down arm 11 is low early and high after and is obliquely installed.Lower link span 12 is opening horizontally disposed " U " shape backward.Lower link span 12 is fixedly installed on the rear side lower part of hold-down arm 11 by its front center.Upper link span 13 is the steel integral piece.Upper link span 13 is fixedly connected with along left and right to level on the rear upper lateral part that is arranged on hold-down arm 11.Upper link span 13 comprises horizontal plate section 13-1 and hang plate section 13-2.Horizontal plate section 13-1 is fixedly connected with along left and right to level on the rear upper lateral part that is arranged on hold-down arm 11, and hang plate section 13-2 is fixedly connected on horizontal plate section 13-1 rear end from rear by its front end, and is low dip setting after front height.The angle α of hang plate section 13-2 and horizontal surface is that 30 degree are to 60 degree (the present embodiment is 58 degree).Between hold-down arm 11 and upper link span 13, be provided with corresponding reinforcement gusset 14.
See Fig. 1 to Fig. 4, seat-assembly 6 comprises chair frame 61 and chair cushion 62.Chair frame 61 is fixedly installed on the hold-down arm 11 of bracing frame 1, and chair cushion 62 is fixedly installed on chair frame 61.
See Fig. 1 to Fig. 4, pedal 7 is fixedly installed on the front portion of hold-down arm 11 of main backstop 1 and shelves for both feet.
See Fig. 2, Fig. 3, Fig. 5 and Fig. 6, regulating arm 2 comprises connecting portion 21, pivot shaft 22 and turning set 23.Connecting portion 21 is steel pipe, and connecting portion 21 is along left and right to rotating between the rear portion two ends of link span 12 under " U " shape that is arranged on main backstop 1 by corresponding bearing pin, and the axis of this bearing pin is also the pivot center of connecting portion 21.Pivot shaft 22 is the steel integral piece.Pivot shaft 22 comprises linkage section 22-1 and the tilting section 22-2 that sets gradually from front to back, and linkage section 22-1 substantially is and is horizontally disposed with, and tilting section 21-2 is low early and high after setting substantially.Angle β between linkage section 22-1 and tilting section 22-2 is that 120 degree are to 160 degree (the present embodiment is 150 degree).Pivot shaft 22 is weldingly fixed on the middle part rear side of connecting portion 21 by its linkage section 22-1 front end.Between connecting portion 21 and pivot shaft 22, also be provided with corresponding reinforced rib 24.It is upper that turning set 23 rotates the tilting section 22-2 that is arranged on pivot shaft 22, with pivot shaft 22 normal-running fiies.The rear end of the tilting section 22-2 of pivot shaft 22 is provided with adapter plate 22-3, and adapter plate 22-3 is by on the spacing tilting section 22-2 that is fixedly installed on pivot shaft 22 of turning set 23.
See Fig. 1, Fig. 3 and Fig. 6, after turn round arm 3 and be along left and right to the framework of horizontally disposed oval shape.After turn round arm 3 and be welded and fixed and be arranged on turning set 23 downside corresponding sites by middle part, its front side upside.After turn round arm 3 the left and right sides be respectively equipped with corresponding left rear wheel 51 and off hind wheel 52.Left rear wheel 51 and off hind wheel 52 are the wheel hub motor wheel.Control system is electrically connected to left rear wheel 51 and off hind wheel 52 by corresponding circuit.
See Fig. 1 to Fig. 4, after battery component 8 is arranged on, turn round on arm 3, between left rear wheel 51 and off hind wheel 52.Battery component 8 is electrically connected to control system, left rear wheel 51 and off hind wheel 52 by corresponding circuit.
See Fig. 1, Fig. 3 and Fig. 5, damping reset attachment 4 is Shock absorber, and described Shock absorber has 2, by the difference of its position, residing left and right, is divided into left Shock absorber 41 and right Shock absorber 42.Left Shock absorber 41 and right Shock absorber 42 are symmetrical set to the plane of vertical setting along front and back with hold-down arm 11 centers through main backstop 1.On the front side left part of the hang plate section 13-2 that left Shock absorber 41 is rotatably connected at the upper link span 13 of bracing frame 1 by its upper end; Left Shock absorber 41 by its lower end be rotatably connected after turn round on the anterior left side central portion of arm 3.On the front side right part of the hang plate section 13-2 that right Shock absorber 42 is rotatably connected at the upper link span 13 of bracing frame 1 by its upper end; Right Shock absorber 42 by its lower end be rotatably connected after turn round on the anterior right side central of arm 3.The tilting section 21-2 of the pivot shaft 21 of regulating arm 2 is perpendicular to the plane at left Shock absorber 41 and right Shock absorber 42 places.The plane at left Shock absorber 41 and right Shock absorber 42 places and the angle γ of horizontal surface are that 30 degree are to 60 degree (the present embodiment is 58 degree); The number of degrees of hang plate section 13-2 and the angle α of horizontal surface and the number of degrees of angle γ are corresponding.
see Fig. 1 to Fig. 6, when the electronic moving system of rear two-wheel of the present utility model is applied in corresponding electro-tricycle and electric four-wheel vehicle, can with other appropriate section of car body, be connected by bracing frame 1, its state when turning left describes as example when the work of the electronic moving system of rear two-wheel, the driver is sitting on the cushion 62 of the seat-assembly 6 on the hold-down arm 11 that is located at bracing frame 1 when steering vehicle is turned left can produce introversion left, by seat-assembly 6, act on hold-down arm 11 and drive regulating arm 2 deflection to the left, this moment, left side was partial in the tilting section 22-2 rear end of regulating arm 2, due to the plane of tilting section 22-2 perpendicular to left Shock absorber 41 and right Shock absorber 42 places, thereby (namely left side forward after acting on, to turn round after arm 3 makes the corresponding displacement of two ends, left and right generation of turning round arm 3, right side backward), simultaneously left Shock absorber 41 shortens, right Shock absorber 42 elongations, after left Shock absorber 41 and right Shock absorber 42 make, turning round arm 3 relatively rotates take the tilting section 21-2 of regulating arm 2 as turning cylinder, after turn round arm 3 still maintenance levels, being also left rear wheel 51 all keeps and the contacting of ground with off hind wheel 52, therefore being convenient to three-wheel vehicle steadily turns to, formation helps steering effect.After completing, turn inside diameter transfers while keeping straight on the dual reverse action of damping reset attachment 4 and regulating arm 2, thereby the result of generation self-balancing to.
Above embodiment is only for illustration of the utility model; but not to restriction of the present utility model; person skilled in the relevant technique is not in the situation that break away from spirit and scope of the present utility model; can also make various conversion and variation; in concrete application process, can also transform accordingly according to the inspiration of above-described embodiment, so within all technical schemes that are equal to all should be included into scope of patent protection of the present utility model.
Claims (9)
1. the electronic moving system of two-wheel after a kind, it is characterized in that: comprise main backstop (1), regulating arm (2), after turn round arm (3), damping reset attachment (4), left rear wheel (51), off hind wheel (52), battery component (8), control system and brake assemblies, by control system, controlled the corresponding rotating speed of left rear wheel (51) and off hind wheel (52), by brake assemblies, left rear wheel (51) and off hind wheel (52) are carried out to corresponding braking control; Main backstop (1) comprises hold-down arm (11), and hold-down arm (11) is low early and high after and is obliquely installed; Regulating arm (2) comprises pivot shaft (22); Pivot shaft (22) comprises linkage section (22-1) and the tilting section (22-2) that sets gradually from front to back, and linkage section (22-1) substantially is and is horizontally disposed with, and tilting section (21-2) is low early and high after setting substantially; Angle β between linkage section (22-1) and tilting section (22-2) is that 120 degree are to 160 degree; Anterior hold-down arm (11) bottom with main backstop (1) of pivot shaft (22) is rotationally connected, and pivot center is along left and right to setting; After turn round arm (3) middle part and be rotationally connected with the tilting section (22-2) of regulating arm (2), and take the axis of tilting section (22-2) as pivot center; Damping reset attachment (4) has 2, and 2 damping reset attachments (4) are symmetrical set to the plane of vertical setting along front and back with hold-down arm (11) center through main backstop (1); Be positioned at the left side damping reset attachment (4) by its upper end be rotatably connected the Shang， lower end, top of bracing frame (1) be rotatably connected after turn round on the left side central portion of arm (3); The damping reset attachment (4) that is positioned at right side by its upper end be rotatably connected the Shang， lower end, top of bracing frame (1) be rotatably connected after turn round on the right side central of arm (3); After being rotatably connected on respectively, left rear wheel (51) and off hind wheel (52) turn round on the left and right sides of arm (3); After battery component (8) is arranged on, turn round arm (3) upper, and be positioned between left rear wheel (51) and off hind wheel (52); The tilting section (21-2) of the pivot shaft (21) of regulating arm (2) is perpendicular to the plane at 2 damping reset attachments (4) place; The plane at 2 damping reset attachments (4) place and the angle γ of horizontal surface are that 30 degree are to 60 degree.
2. the electronic moving system of rear two-wheel according to claim 1, it is characterized in that: left rear wheel (51) and off hind wheel (52) are the wheel hub motor wheel; Battery component (8) is electrically connected to control system, left rear wheel (51) and off hind wheel (52) by corresponding circuit.
3. the electronic moving system of rear two-wheel according to claim 2, it is characterized in that: main backstop (1) also comprises lower link span (12); Lower link span (12) is opening horizontally disposed " U " shape backward; Lower link span (12) is fixedly installed on the rear side lower part of hold-down arm (11) by its front center; Regulating arm (2) also comprises connecting portion (21); Connecting portion (21) is steel pipe, and connecting portion (21) is along left and right to rotating between the rear portion two ends of link span (12) under " U " shape that is arranged on main backstop (1) by corresponding bearing pin, and the axis of this bearing pin is also the pivot center of connecting portion (21); Pivot shaft (22) is weldingly fixed on the middle part rear side of connecting portion (21) by its linkage section (22-1) front end.
4. the electronic moving system of rear two-wheel according to claim 3, is characterized in that: between connecting portion (21) and pivot shaft (22), also be provided with corresponding reinforced rib (24).
5. the electronic moving system of rear two-wheel according to claim 4, it is characterized in that: regulating arm (2) also comprises turning set (23); It is upper that turning set (23) rotates the tilting section (22-2) that is arranged on pivot shaft (22), with pivot shaft (22) normal-running fit; After turn round arm (3) and be along left and right to the framework of horizontally disposed oval shape; After turn round arm (3) and be welded and fixed and be arranged on turning set (23) downside corresponding site by middle part, its front side upside.
6. the electronic moving system of rear two-wheel according to claim 5, it is characterized in that: main backstop (1) also comprises link span (13); Upper link span (13) is fixedly connected with along left and right to level on the rear upper lateral part that is arranged on hold-down arm (11); Upper link span (13) comprises horizontal plate section (13-1) and hang plate section (13-2); Horizontal plate section (13-1) is fixedly connected with along left and right to level on the rear upper lateral part that is arranged on hold-down arm (11), and hang plate section (13-2) is fixedly connected on horizontal plate section (13-1) rear end from rear by its front end, and is low dip setting after front height; The angle γ of the angle α of hang plate section (13-2) and horizontal surface and the plane at 2 damping reset attachments (4) place and horizontal surface is identical; Damping reset attachment (4) is Shock absorber, and described 2 Shock absorbers are divided into left Shock absorber (41) and right Shock absorber (42) by the difference of its position, residing left and right; Left Shock absorber (41) is rotatably connected on the front side left part of the hang plate section (13-2) of the upper link span (13) of bracing frame (1) by its upper end; Left Shock absorber (41) by its lower end be rotatably connected after turn round on the anterior left side central portion of arm (3); Right Shock absorber (42) is rotatably connected on the front side right part of the hang plate section (13-2) of the upper link span (13) of bracing frame (1) by its upper end; Right Shock absorber (42) by its lower end be rotatably connected after turn round on the anterior right side central of arm (3).
7. the electronic moving system of rear two-wheel according to claim 6, is characterized in that: between the hold-down arm (11) of main backstop (1) and upper link span (13), be provided with corresponding reinforcement gusset (14).
8. the electronic moving system of rear two-wheel according to claim 7, is characterized in that: also comprise seat-assembly (6); Seat-assembly (6) comprises chair frame (61) and chair cushion (62); Chair frame (61) is fixedly installed on the hold-down arm (11) of bracing frame (1), and chair cushion (62) is fixedly installed on chair frame (61).
9. the electronic moving system of rear two-wheel according to claim 8 is characterized in that: also comprise pedal (7), pedal (7) is fixedly installed on the front portion of hold-down arm (11) of main backstop (1) and shelves for both feet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202851536U CN203294257U (en) | 2013-05-22 | 2013-05-22 | Double-rear-wheel electric pushing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202851536U CN203294257U (en) | 2013-05-22 | 2013-05-22 | Double-rear-wheel electric pushing system |
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| Publication Number | Publication Date |
|---|---|
| CN203294257U true CN203294257U (en) | 2013-11-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013202851536U Expired - Fee Related CN203294257U (en) | 2013-05-22 | 2013-05-22 | Double-rear-wheel electric pushing system |
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| Country | Link |
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| CN (1) | CN203294257U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105947055A (en) * | 2014-12-25 | 2016-09-21 | 李陈 | Electric self-balancing double-wheeled vehicle |
-
2013
- 2013-05-22 CN CN2013202851536U patent/CN203294257U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105947055A (en) * | 2014-12-25 | 2016-09-21 | 李陈 | Electric self-balancing double-wheeled vehicle |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131120 Termination date: 20180522 |
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| CF01 | Termination of patent right due to non-payment of annual fee |