CN206615313U - A kind of rotary components and folded bicycle - Google Patents

Abstract

The utility model discloses a kind of rotary components, the component includes：Rotary teeth axle, the end cap for being rotatably connected in the rotation ring gear on rotary teeth axle and being fixedly connected on rotary teeth axle one end；Wherein, the face of cylinder of rotary teeth axle is provided with swing-around trajectory；The track fit structure coordinated with swing-around trajectory is provided with rotation ring gear, rotation ring gear is rotated against tooth axle by the cooperation of track fit structure and swing-around trajectory and rotates and moved axially on rotary teeth axle.The utility model additionally provides a kind of folded bicycle.By the rotary components, the utility model can fold folded bicycle by folded bicycle front and back wheel center superposition together, and then folded bicycle volume is diminished, and take up space and diminish, be convenient for carrying.

Description

A kind of rotary components and folded bicycle

Technical field

The utility model is related to folded bicycle technical field, more particularly to a kind of rotary components and folded bicycle.

Background technology

With the development and traffic increasingly congestion of society, people are also more and more to folded bicycle demand, and to folded bicycle It is required that also more and more higher, lightweight and portability turn into the trend that folded bicycle develops, thus, the use of folded bicycle will be more next It is more.

In the prior art, there is a hinge folding knot between the front/rear frame of the general hinge folding of folded bicycle, i.e. folded bicycle Structure, the front/rear frame of folded bicycle is folded front/rear frame by the foldable structure；But, after folding in this way Folded bicycle, volume is still very big, carries very inconvenient.

Utility model content

The utility model provides a kind of rotary components and folded bicycle, it is intended to solve the problem of folded bicycle carries inconvenient.

In order to solve the above technical problems, the technical scheme that the utility model is used is：A kind of rotary components are provided, should Rotary components include：Rotary teeth axle, it is rotatably connected in the rotation ring gear on the rotary teeth axle and is fixedly connected on the rotation Turn the end cap of tooth axle one end；Wherein, the face of cylinder of the rotary teeth axle is provided with swing-around trajectory；It is provided with the rotation ring gear The track fit structure coordinated with the swing-around trajectory, the rotation ring gear passes through the track fit structure and the rotation rail The cooperation in road and relative to the rotary teeth axle rotate and moved axially on the rotary teeth axle.

Wherein, the swing-around trajectory includes axial-rotation track and radial rotary track；The rotation ring gear medial surface tool There is the track fit structure coordinated with the axially and radially swing-around trajectory；The rotation ring gear passes through the track fit structure Coordinate with the axial-rotation track and radial rotary track, to cause the rotation ring gear to be rotated relative to the rotary teeth axle And moved axially on the rotary teeth axle.

Wherein, the rotation ring gear is moved to separately by one end of the track fit structure from the axial-rotation track During one end, the rotation ring gear rotates relative to the rotary teeth axle and moves up a pre- spacing in the axle of the rotary teeth axle From.

Wherein, the rotation ring gear is moved to separately by one end of the track fit structure from the radial rotary track During one end, the rotation ring gear rotates a predetermined angular relative to the rotary teeth axle.

Wherein, a connection piece is further comprised, the end cap is connected on the rotary teeth axle by the connector.

Wherein, the connector is connecting bolt, and the rotary teeth axle is provided with screwed hole, and the end cap is provided with through hole, The connecting bolt is connected through the through hole with the screwed hole.

Wherein, the track fit structure be screwed tooth structure, be evenly distributed on it is described rotation ring gear medial surface, and with it is described Swing-around trajectory quantity is identical, and the swing-around trajectory is evenly distributed on the face of cylinder of the rotary teeth axle.

Wherein, the axial-rotation track is the half-thread for one end starting being connected from the rotary teeth axle with the end cap Groove, the screwed tooth structure is engaged with the half-thread groove；The radial rotary track be and the axial-rotation track initiating terminal The neck of connection；The neck has axial limiting face and radial direction confined planes, the axial limiting face and the distance of the initiating terminal, Identical with the screwed tooth structure end face distance, the radial direction confined planes limitation rotation ring gear continues to make radial motion.

In order to solve the above technical problems, another technical scheme that the utility model is used is：A kind of folded bicycle is provided, wrapped Rotary components, front frame, Rear frame, front-wheel, trailing wheel and lock piece are included, wherein, the rotary components are above-mentioned rotary components.

Wherein, the folded bicycle is folding bicycle or electric motor bicycle with folding.

The beneficial effects of the utility model are：The situation of prior art is different from, the utility model provides a kind of rotation group Part, by way of rotating ring gear and making axially and radially rotary motion on the face of cylinder of rotary teeth axle so that folded bicycle can lead to Cross the rotary components and front and back wheel reached into state that is parallel and overlapping, and then folded bicycle volume is diminished, take up space and diminish, It is convenient for carrying.

Brief description of the drawings

Fig. 1 is the assembling dimensional structure diagram for the rotary components that the utility model embodiment is provided；

Fig. 2 is the decomposition texture schematic diagram for the rotary components that the utility model embodiment is provided；

Fig. 3 is rotary components rotary teeth axle and end cap schematic cross-section in Fig. 2；

Fig. 4 is the rotary teeth ring structure schematic diagram of rotary components in Fig. 2；

Fig. 5 is the rotary components assembling schematic cross-section that the utility model embodiment is provided；

Fig. 6 is the folding car structure schematic diagram that the utility model embodiment is provided.

Embodiment

To make those skilled in the art more fully understand the technical solution of the utility model, below in conjunction with the accompanying drawings and specifically Embodiment is described in further detail to a kind of rotary components and folded bicycle provided by the utility model.

Refering to Fig. 1 and Fig. 2, the utility model rotary components include：Rotary teeth axle 12, it is rotatably connected in rotary teeth axle 12 On rotation ring gear 14 and be fixedly connected on the end cap 16 of the one end of rotary teeth axle 12.

Rotary teeth axle 12 is cylindrical to be set, and its face of cylinder is provided with equally distributed swing-around trajectory, the swing-around trajectory bag Include axial-rotation track 122 and radial rotary track 124.It should be noted that axial-rotation signified in the embodiment of the present invention Track 122 and radial rotary track 124 are groove structure.

Wherein, axial-rotation track 122 is the half-thread groove originated from the one end of rotary teeth axle 12, specifically, axial-rotation Track 122 is the half-thread groove originated close to the one side of end cap 16 from the right side of rotary teeth axle 12.

Wherein, radial rotary track 124 is the neck connected with the initiating terminal of axial-rotation track 122, specifically, is radially revolved Transition road 124 is the neck connected with the right-hand member of axial-rotation track 122.

Specifically, radial rotary track 124 is provided with axial limiting face 1242 and radial direction confined planes 1244, axial limiting face 1242 is parallel with the right side of rotary teeth axle 12.

It please also refer to receiving space 126 is further provided with Fig. 3, rotary teeth axle 12 and is connected with receiving space 126 Screwed hole 128.

Refering to Fig. 2 and Fig. 4, rotation ring gear 14 is set in annular, in being sheathed on the face of cylinder of rotary teeth axle 12 Heart hole, the medial surface of rotation ring gear 14 close to centre bore is provided with track fit structure 142, and the track fit structure 142 is spiral shell Dental structure, be evenly distributed on rotation the medial surface of ring gear 14, and with axial-rotation track 122 and the quantity phase of radial rotary track 124 Together, in the utility model embodiment diagram exemplified by three.

Wherein, the screwed tooth structure of track fit structure 142 is engaged with the half-thread groove of axial-rotation track 122, specifically, The width of screwed tooth structure is identical with the width of half-thread groove or width of than half-thread groove is smaller, screwed tooth structure height and half-thread Groove depth is identical or more smaller than half-thread groove depth so that the screwed tooth structure is in the half-thread groove during rotating operation, and operation is flowed It is smooth and will not shake and inconsistent phenomenon.

Further regard to Fig. 2, distance and the thread two ends of track fit structure 142 of the axial limiting face 1242 with right side Identity distance from identical so that track fit structure 142 engages with radial rotary track 124, when rotation ring gear 14 in radial rotary track When making radial rotary motion on 124, the limitation rotation ring gear of axial limiting face 1242 is moved axially, it is made radially Rotary motion；When rotation ring gear 14, which is rotated to track fit structure 142, is fitted with radial direction confined planes 1244, radial direction confined planes 1244, which limit it, continues to make radial motion so that rotation ring gear 14 can not be further continued for rotation.

Refer to Fig. 2, Fig. 3 and Fig. 5 jointly, end cap 16 is connected to the right side of rotary teeth axle 12 by a connection piece 18 On, specifically, end cap 16 is in the form of annular discs in the present embodiment, certainly, and it also can be in other shapes, not limit herein.End cap 16 external diameters are more than the external diameter of rotary teeth axle 12.The center of end cap 16 protrudes out towards the rotary teeth axle 12 and is provided with one and rotary teeth axle The bulge-structure 162 that 12 receiving space 126 coordinates.The center position of end cap 16 is further provided with a collecting connector 18 Through hole 164.

Wherein, connector 18 is connecting bolt.

With Fig. 1, Fig. 3 and Fig. 5 is referred to, when rotary components are assembled, rotation ring gear 14 assembles end cap 16 from rotary teeth axle 12 One end is screwed in, and then end cap 16 is connected on rotary teeth axle 12 by connector 18 again.Track fit structure 142 and axle Engaged to swing-around trajectory 122 and radial rotary track 124 so that rotation ring gear 14 revolves by axial-rotation track 122 and radially Make axially and radially rotary motion, and the phenomenon that will not shake in transition road 124.

Specifically, when rotary components are assembled, rotation ring gear 14 is screwed at radial rotary track 124, until track coordinates Structure 142 is engaged with axial-rotation track 122, then by the bulge-structure 162 of the center of end cap 16 and the end face of rotary teeth axle 12 The receiving space 126 at place coordinates insertion, then connector 18 is passed through into through hole 164 and bulge-structure 162 and the end face of rotary teeth axle 12 The screwed hole 128 that the receiving space 126 at place is connected is connected, and is tightened.

When the rotary components are run, rotation ring gear 14 is by track fit structure 142 from the one of axial-rotation track 122 End is moved to the other end, and rotation ring gear 14 rotates relative to rotary teeth axle 12 and moves up one in the axle of rotary teeth axle 12 and make a reservation for Distance；Rotation ring gear 14 is moved to the other end, rotary teeth by one end of track fit structure 142 from radial rotary track 124 Ring 14 rotates a preset distance relative to rotary teeth axle 12.

Specifically, as shown in figure 1, when rotation ring gear 14 by track fit structure 142 away from axial-rotation track 122 When one end of end cap 16 is to close to the movement of one end of end cap 16, rotation ring gear 14 moves one in the axial direction relative to rotary teeth axle 12 Preset distance, also can rotate a first angle relative to rotary teeth axle 12 simultaneously.Depending on the preset distance is according to actual conditions, the One angle can be 0 °, that is, rotate ring gear 14 only with respect to the pre-determined distance mobile in the axial direction of rotary teeth axle 12, and relative to Rotary teeth axle 12 does not rotate；First angle can also be less than the unspecified angle of 180 degree, and the numerical value of the first angle can be according to reality Depending on the situation of border；Rotation ring gear 14 is connected by track fit structure 142 from radial rotary track 124 with axial-rotation track 122 When logical one end is moved to radial direction confined planes 1244, rotation ring gear 14 is not moved in the axial direction relative to rotary teeth axle 12, only A second angle is rotated, depending on the scope of the second angle can be according to actual conditions.It should be noted that in the present embodiment, the One angle is not more than 180 ° with second angle sum.

Refering to Fig. 6, the utility model also provides a kind of folded bicycle, and the folded bicycle includes the rotary components in above-described embodiment 20, in addition to front-wheel 22, front frame 24, steering spindle 26, Rear frame 28, trailing wheel 30, further comprise vehicle seat 32, ride 34 and solid Determine part 36.

Wherein, the folded bicycle can be folding bicycle, can also be electric motor bicycle with folding.

Wherein, vehicle seat 32 and foot-operated 34 foldable.

Wherein, fixture 36 is used to front frame 24 is relatively fixed with Rear frame 28.In the present embodiment, fixture 36 To be detachably connected bar, for connecting front frame 24 and Rear frame 28 so that front frame is relatively fixed with Rear frame.In other realities Apply in example, fixture can also be other fixedly connected parts.

The steering spindle 26 being attached thereto in Fig. 1 and Fig. 6, front frame 24 is referred to jointly to fill by rotating the connection on ring gear 14 Put and be fixedly connected with rotary components 20, the attachment means are screwed hole 144 in the present embodiment diagram, optionally, connection dress The bulge-structure that can also be from the rotation rat of ring gear 14 is put, now, there is what is coordinated with the bulge-structure in steering spindle 26 Groove, steering spindle 26 is fixedly connected by groove with bulge-structure so that steering spindle 26 is fixedly connected with rotary components 20；Rear car The part that frame 28 does not have swing-around trajectory with the face of cylinder of rotary teeth axle 12 can be fixed together by the way of welding.

In addition, rotation ring gear 14 can also be connected with the Rear frame 28 of folded bicycle, then rotary teeth axle is fixed with steering spindle 26 Connection, now rotary teeth axle is provided with attachment means, its connected mode and above-mentioned rotation ring gear 14 and the connection side of steering spindle 26 Formula is consistent, and no further details to be given herein.

In use, the rotation ring gear 14 being connected with front frame 24 is located at the half-thread groove of axial-rotation track 122 End (high order end of axial-rotation track 122 i.e. as shown in Figure 2) when, folded bicycle is in normal riding condition, now, fixed Part 36 is is detachably connected bar, and this is detachably connected bar connection front frame 24 and Rear frame 28 so that front frame 24 and Rear frame 28 are relatively fixed, and now front-wheel 22 is in same plane with trailing wheel 30；In another embodiment, fixture 36 can also be set The lock piece on rotary components 20 is put, the lock piece is used for the half-thread for being located at axial-rotation track 122 in rotation ring gear 14 During end (high order end of axial-rotation track 122 i.e. as shown in Figure 2) of groove, by the rotation ring gear 14 and the phase of rotary teeth axle 12 To fixation, and then front frame 24 is relatively fixed with Rear frame 28；When needing to fold, front frame 24 and Rear frame 28 are released Between fixation, will be detachably connected bar pull down or lock piece open, and then rotate front frame 24, make to be connected with front frame 24 Rotation ring gear 14 axial rotation motion is made by the axial-rotation track 122 being engaged with.In this course, front frame 24 Angle between Rear frame 28 is tapered into, and the centre distance of front-wheel 22 and trailing wheel 30 is tapered into, plane residing for front-wheel 22 Increase to a preset distance with the distance of plane residing for trailing wheel 30, it is necessary to explanation, in this course, the front-wheel 22 with Trailing wheel 30 is not interfered.In the present embodiment, the pre-determined distance is more than the thickness of front-wheel 22, in other embodiments, this it is default away from Depending on according to actual conditions；Then proceed to rotating Vortex front frame 24 so that rotation ring gear 14 passes through radial rotary track 124 Make radial rotary motion, until the track fit structure 142 of the inner side of rotation ring gear 14 is fitted completely with radial direction confined planes 1244, should Rotary motion terminates, and the front and back wheel 22,30 of folded bicycle is in coincidence status.Pass through radial rotary track 124 in rotation ring gear 14 Make radial rotary motion this during, the distance of plane and plane residing for trailing wheel 30 is constant residing for front-wheel 22, front frame 24 Angle between Rear frame 28 is tapered into so that the centre distance of front-wheel 22 and trailing wheel 30 is tapered into until center is complete Overlap.

Opposite, when folded bicycle needs to open, front frame 22 is rotated, the rotation ring gear 14 being connected with front frame 22 is existed Make radial rotary motion on radial rotary track 124, so cause folded bicycle front and back wheel 22,30 from same center separate and in Heart distance becomes larger；Continue to rotate front frame 22, make the rotation ring gear 14 being connected with front frame 22 in axial-rotation track 122 On make axial rotation motion, front and back wheel 22,30 centre distances of folded bicycle continue to become big, and plane separation residing for front and back wheel 22,30 From being gradually reduced, until rotation ring gear 14 is rotated to the least significant end of axial-rotation track 122, rotary motion terminates, now, folded bicycle Front and back wheel 22,30 is in same plane, and folded bicycle is opened completely, make it that front frame 24 is relative with Rear frame 28 by fixture 36 Fixed (for example installed between front frame 24 and Rear frame 28 and be detachably connected bar, or the lock on locking rotary components 20 Stop member), then folded bicycle is in rideable state, and the direction of rotation that ring gear 14 is rotated during this folds folded bicycle with above-mentioned Direction of rotation is opposite, the angle change between front vehicle wheel 22 and rear wheel 28 also with the angle in the above-mentioned folding process by folded bicycle Change is opposite.

Prior art is distinguished, the utility model is first rotated the front-wheel of folded bicycle and trailing wheel to difference by rotary components The state that horizontal plane and centre distance reduce, then front and back wheel is rotated to the state being completely superposed to center so that folded bicycle volume Diminish, take up space and diminish, be convenient for carrying.

Embodiment of the present utility model is the foregoing is only, the scope of the claims of the present utility model is not thereby limited, it is every The equivalent structure or equivalent flow conversion made using the utility model specification and accompanying drawing content, or be directly or indirectly used in Other related technical fields, are similarly included in scope of patent protection of the present utility model.

Claims (10)

1. a kind of rotary components, it is characterised in that the rotary components include：Rotary teeth axle, it is rotatably connected in the rotation Rotation ring gear on tooth axle and the end cap for being fixedly connected on described rotary teeth axle one end；

Wherein, the face of cylinder of the rotary teeth axle is provided with swing-around trajectory；It is provided with the rotation ring gear and the rotation rail The track fit structure that road coordinates, rotation ring gear phase by the cooperation of the track fit structure and the swing-around trajectory The rotary teeth axle is rotated and moved axially on the rotary teeth axle.

2. rotary components according to claim 1, it is characterised in that the swing-around trajectory includes axial-rotation track and footpath To swing-around trajectory；The rotation ring gear medial surface has the track fit structure coordinated with the axially and radially swing-around trajectory； The rotation ring gear is coordinated by the track fit structure and the axial-rotation track and radial rotary track, to cause Rotation ring gear is stated to rotate and move axially on the rotary teeth axle relative to the rotary teeth axle.

3. rotary components according to claim 2, it is characterised in that the rotation ring gear passes through the track fit structure When being moved to the other end from one end of the axial-rotation track, the rotation ring gear rotated relative to the rotary teeth axle and The axle of the rotary teeth axle moves up a preset distance.

4. rotary components according to claim 2, it is characterised in that the rotation ring gear passes through the track fit structure When being moved to the other end from one end of the radial rotary track, the rotation ring gear is pre- relative to rotary teeth axle rotation one Determine angle.

5. rotary components according to claim 1, it is characterised in that further comprise a connection piece, the end cap passes through The connector is connected on the rotary teeth axle.

6. rotary components according to claim 5, it is characterised in that the connector is connecting bolt, the rotary teeth Axle is provided with screwed hole, and the end cap is provided with through hole, and the connecting bolt is connected through the through hole with the screwed hole.

7. rotary components according to claim 2, it is characterised in that the track fit structure is screwed tooth structure, uniformly The rotation ring gear medial surface is distributed in, and it is identical with the swing-around trajectory quantity, the swing-around trajectory is evenly distributed on described On the face of cylinder of rotary teeth axle.

8. rotary components according to claim 7, it is characterised in that the axial-rotation track is from the rotary teeth The half-thread groove for one end starting that axle is connected with the end cap, the screwed tooth structure is engaged with the half-thread groove；The radial direction Swing-around trajectory is the neck connected with the axial-rotation track initiating terminal；The neck has axial limiting face and radially spacing Face, the axial limiting face and the distance of the initiating terminal, the radial direction confined planes identical with the screwed tooth structure end face distance The limitation rotation ring gear continues to make radial motion.

9. a kind of folded bicycle, including rotary components, front frame, Rear frame, front-wheel, trailing wheel, steering spindle, it is characterised in that described Rotary components are rotary components according to any one of claims 1 to 8.

10. folded bicycle according to claim 9, it is characterised in that the folded bicycle is folding bicycle or folding electric Car.