CN206171679U - Folding split type car girder construction of electric bicycle - Google Patents

Abstract

The utility model provides a folding split type car girder construction of electric bicycle, include the girder and turn to the sleeve pipe, just the girder with turn to the sleeve pipe and hinge into the chevron shape, the girder comprises girder body and first articulated elements, turn to the sleeve pipe and constitute by sleeve pipe body and second articulated elements, and the inside circular guide way that still is equipped with of sleeve pipe body, the sleeve pipe body comprises half tub of closure of two axial components of a whole that can function independentlys, just circular guide way is constituteed in half the intraductal semi -circular guide way butt joint by establishing respectively. The utility model discloses following the axial with the sleeve pipe body and being divided into two, cast the shaping respectively, the closure is as an organic whole again to make and process the reliable and simple that becomes.

Description

Folding electric bicycle separate type girder construction

Technical field

The utility model is related to a kind of folding electric bicycle separate type girder construction.

Background technology

Disclosed in 2015-12-23, the Chinese invention of Publication No. 105172971A discloses a kind of folding electric voluntarily Car, including vehicle frame, yaw, front vehicle wheel, rear wheel, pedal, motor and transmission device, the yaw, front vehicle wheel, rear wheel, Pedal, motor and transmission device are each provided on vehicle frame；The vehicle frame includes turning-bar, bicycle beam and connecting rod；Normally use When, turning-bar and bicycle beam are in herringbone structure, when bicycle beam is lifted, make turning-bar, bicycle beam and connecting rod three form a word Shape structure, the folding process and expansion process of its yaw, vehicle body and pedal is convenient and swift, and volume after folding is substantially reduced, side Portable belt.

As shown in figure 1, show a kind of folding electric bicycle separate type girder construction, its turning-bar with foregoing invention and Bicycle beam is similar to, and is also to be changed into yi word pattern from herringbone, to realize folding.Bicycle beam structure in Fig. 1 includes girder 1 and turns to Sleeve pipe 2, and the girder 1 and steering sleeve pipe 2 are hinged to herringbone；The girder 1 is by the articulated elements 12 of girder body 11 and first Constitute, turn to sleeve structure 2 and be made up of the articulated elements 22 of sleeve body 21 and second, and a guiding is additionally provided with inside sleeve body 21 Groove 23, the gathering sill 23 is used to place guide collar, to contact with turning-bar by the guide collar, prevents sleeve body and turning-bar Directly contact causes hard grind to be wiped.

But because there is the presence of gathering sill and articulated elements, make entirely to turn to sleeve structure at present and be difficult to be integrally formed, than Such as adopt forging type, it is impossible to form gathering sill, the later stage also is difficult to processing.Similar, in order to mitigate the weight of car load while being It is easy to cabling, girder body is arranged to hollow-core construction, then because girder body is longer relatively thick, therefore when using die casting, leads to Cross core pulling formation hollow-core construction to be difficult to realize.

The content of the invention

The technical problems to be solved in the utility model, is to provide a kind of folding electric bicycle separate type girder construction, It is main by sleeve body from being axially divided into two, casting respectively, then be locked together in and be integrated so that processing become it is simple easily OK.

What the utility model was realized in：A kind of folding electric bicycle separate type girder construction, including girder and turn To sleeve pipe, and the girder and steering sleeve pipe are hinged to herringbone；The girder is made up of girder body and the first articulated elements, institute State steering sleeve pipe to be made up of sleeve body and the second articulated elements, and a circular gathering sill, its feature are additionally provided with inside sleeve body It is：Described sleeve pipe body by two axial splits semicanal it is sealed constitute, and the circular gathering sill is by being respectively provided at half Semicircle gathering sill docking composition in pipe.

Further, the second articulated elements is sealed constitutes by two described half for second articulated elements, and two semicanals Interface and the interface of two half second articulated elements be same plane.

Further, the plane that the interface of two semicanals is located with second articulated elements is mutually perpendicular to.

Further, the interface outer rim of described two semicanals is correspondingly provided with a plurality of engaging lugs.

Further, the girder body sealed is made up of the Half Beam of two axial splits.

Further, first articulated elements is constituted by two and half first articulated elements are sealed, and two Half Beams point The interface of interface half first articulated elements described with two is same plane.

Further, the plane that the interface of two Half Beams the first articulated elements described with two is located is mutually perpendicular to.

Further, the interface outer rim of described two Half Beams is correspondingly provided with a plurality of engaging lugs.

Further, the section of the girder body is I shape.

The utility model has the advantage of：Sleeve body is divided into two from axial direction, respectively casting, in semicanal content Semicircle gathering sill is easily integrally formed out, then is locked together in and is integrated, its articulated elements had both been segmented into two halves realization, also can one Body realizes that girder body can also adopt identical method, can so make processing become simple, can adopt after shaping It is sealed, make it is easy to assembly quick, without welding.

Description of the drawings

With reference to the accompanying drawings the utility model is further described in conjunction with the embodiments.

Fig. 1 is the structural representation that a kind of existing folding electric bicycle turns to sleeve pipe.

Fig. 2 is the structural representation of the embodiment of the utility model bicycle girder one.

Fig. 3 is the structural representation of another embodiment of the utility model bicycle girder, and wherein left figure is the outer of a Half Beam Figure is seen, right figure is the profile of another Half Beam.

Fig. 4 is the structural representation of the embodiment of the utility model turning of bicycle sleeve pipe one.

Fig. 5 is the structural representation of another embodiment of the utility model turning of bicycle sleeve pipe.

Specific embodiment

Refer to shown in Fig. 2, folding electric bicycle separate type girder construction of the present utility model, including girder 1 and turn To sleeve pipe 2, and the girder 1 and steering sleeve pipe 2 are hinged to herringbone.

The girder 1 is made up of the articulated elements 12 of girder body 11 and first.Girder body 11 can divide half, by engaging lug Hollow pipe is formed after 13 connection combinations, it is also possible to be arranged to solid I shape (not shown).

Half form of being divided to of the girder body 11 has two kinds：

The first, as shown in Fig. 2 first articulated elements 12 is also constituted by two described half first articulated elements 122 are sealed, And the interface of the interface of two Half Beams 112 and two half first articulated elements 122 is same plane.That is, two halves The interface of beam 112 makes the second articulated elements 12 be also divided into two halves longitudinally through the first articulated elements 12, at this moment Half Beam 112 and half the One articulated elements 122 still can be integrally formed.

Second, as shown in figure 3, the plane that the interface of two Half Beams 112 is located with first articulated elements 12 It is mutually perpendicular to.That is, the interface of two Half Beams 112 is not passed through the first articulated elements 12, makes the first articulated elements 122 be not divided into two Half, at this moment there is a Half Beam 112 to connect the first articulated elements 12, another semicanal 112 does not connect the first articulated elements 12, such nothing Recognizing has the semicanal 112 of the first articulated elements 12 of connection or the semicanal 112 of not connected first articulated elements 12 all can be integrally formed.

The steering sleeve pipe 2 is additionally provided with by being made up of the articulated elements 22 of sleeve body 21 and second inside sleeve body 21 One circular gathering sill 23, described sleeve pipe body 21 by two axial splits semicanal 212 it is sealed constitute, and the circular gathering sill 23 are made up of the docking of semicircle gathering sill 232 being respectively provided in a semicanal.The interface outer rim correspondence of described two semicanals sets There are a plurality of engaging lugs 24, after two semicanals 212 are docked, you can complete connection by those engaging lugs 24.

Half form of being divided to of described sleeve pipe body 21 also has two kinds：

The first, as shown in figure 4, second articulated elements 22 is also constituted by two described half second articulated elements 222 are sealed, And the interface of the interface of two semicanals 212 and two half second articulated elements 222 is same plane.That is, two halves The interface of pipe 212 makes the second articulated elements 22 be also divided into two halves longitudinally through the second articulated elements 22, at this moment semicanal 212 and half the Two articulated elements 222 still can be integrally formed.

Second, as shown in figure 5, the plane phase that the interface of two semicanals 21 is located with second articulated elements 22 It is mutually vertical.That is, the interface of two semicanals 212 is not passed through the second articulated elements 22, makes the second articulated elements 22 be not divided into two halves, At this moment a semicanal 212 connects the second articulated elements 22, so no matter another semicanal 212 does not connect the second articulated elements 22, There are the semicanal 212 of the second articulated elements 22 of connection or the semicanal 212 of not connected second articulated elements 22 all can be integrally formed.

As it was previously stated, the utility model is divided into two girder body and sleeve body from axial direction, difference casting, its In, Half Beam is easily integrally formed out semicircle gathering sill without the need for core pulling, in semicanal, then is locked together in and is integrated, and it is hinged Part had both been segmented into two halves realization, also can integrally realize, can so make processing become simple, can adopt after shaping It is sealed, make it is easy to assembly quick, without welding.

Although the foregoing describing specific embodiment of the present utility model, those familiar with the art should Work as understanding, the specific embodiment described by us is merely exemplary, rather than for the limit to scope of the present utility model Fixed, those of ordinary skill in the art should in the equivalent modification and change made according to spirit of the present utility model Cover in scope of the claimed protection of the present utility model.

Claims (9)

1. a kind of folding electric bicycle separate type girder construction, including girder and steering sleeve pipe, and the girder and turning sleeve Pipe is hinged to herringbone；The girder is made up of girder body and the first articulated elements, and the steering sleeve pipe is by sleeve body and the Two articulated elements are constituted, and a circular gathering sill is additionally provided with inside sleeve body, it is characterised in that：Described sleeve pipe body is by two axles To the sealed composition of semicanal of split, and the circular gathering sill is by the semicircle gathering sill docking group being respectively provided in a semicanal Into.

2. folding electric bicycle separate type girder construction as claimed in claim 1, it is characterised in that：Second articulated elements Constituted by two and half second articulated elements are sealed, and the boundary of the interface of two semicanals and two half second articulated elements Face is same plane.

3. folding electric bicycle separate type girder construction as claimed in claim 1, it is characterised in that：Two semicanals The plane that interface is located with second articulated elements is mutually perpendicular to.

4. folding electric bicycle separate type girder construction as claimed in claim 1, it is characterised in that：Described two semicanals Interface outer rim is correspondingly provided with a plurality of engaging lugs.

5. folding electric bicycle separate type girder construction as claimed in claim 1, it is characterised in that：The girder body by The sealed composition of Half Beam of two axial splits.

6. folding electric bicycle separate type girder construction as claimed in claim 5, it is characterised in that：First articulated elements Constituted by two and half first articulated elements are sealed, and the boundary of the interface of two Half Beams and two half first articulated elements Face is same plane.

7. folding electric bicycle separate type girder construction as claimed in claim 5, it is characterised in that：Two Half Beams The plane that interface is located with first articulated elements is mutually perpendicular to.

8. folding electric bicycle separate type girder construction as claimed in claim 5, it is characterised in that：Described two Half Beams Interface outer rim is correspondingly provided with a plurality of engaging lugs.

9. folding electric bicycle separate type girder construction as claimed in claim 1, it is characterised in that：The girder body Section is I shape.