CN200964161Y

CN200964161Y - Folding head device capable of transforming folding bicycle to shopping vehicle

Info

Publication number: CN200964161Y
Application number: CN 200620039985
Authority: CN
Inventors: 夏钻禧
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-03-07
Filing date: 2006-03-07
Publication date: 2007-10-24
Anticipated expiration: 2016-03-07

Abstract

The utility model relates to a folding head device used for the front end of the main frame of folding type bicycle, wherein the base is n-shaped, and formed by a left plate, a rear plate and a right plate connected in turn. A pair of corresponding left and right rotating shaft grooves are provided at the lower end of the left and right plates; the front groove surfaces of the left and right rotating shaft grooves are parallel to the rear groove surface respectively; a structure is provided in the upper part of the base corresponding to the detachable column in the upper part of the connecting base to suit the entry or exit of the detachable column shaft in the upper part of the connecting base, and a security round hole is provided at the center of the left plate. The utility model can resist the tensile force, compressive force, bending moment and shearing force borne by the folding head device during travel, assure safety in use; and the folding head device can be detached or connected quickly, easily.

Description

A kind of folding head unit that Folding Bicycle can be converted to shopping cart

Technical field:

The utility model relates to the technical field of Folding Bicycle, specifically a kind of folding head unit that Folding Bicycle can be converted to shopping cart.

Background technology:

In the unit design of Folding Bicycle, folding head is a very important structure.Under the situation that folding head can separate, the shape after Folding Bicycle is folding can significantly be improved; With Folding Bicycle after folding with front and rear wheel side by side, promptly be convertible into shopping cart and use, also conveniently carry.Only its condition precedent is to make the main car frame front end and the part that links to each other of turning of bicycle pipe spreader to become detachable folding head just to achieve the goal.This creation proposes a kind of folding head unit that Folding Bicycle can be converted to shopping cart, can reach following three most important requirements: (1) under coupled condition, the folding head unit of this creation can resist its advance in tensile force of being born itself, compressive force, moment of flexure, and shearing; To keep the safety in the use; (2) the folding head unit with this creation separates or the bonded assembly action, can be simple and easy rapidly; And the position of (3) folding head, must be quite near the front-wheel steering pipe spreader, with the shopping cart shape that cooperates folding back to reach.

The folding head unit of the Folding Bicycle of old usefulness is shown in novel No. 99249607.1 of practicality.Old mainly is to be made up of three major parts such as preceding wheels, back wheels and main car frame with Folding Bicycle; This main car frame rear end is fixed on this hind axle, and this main car frame front end head then is attached on the steering shaft sleeve pipe of this preceding wheels front-wheel top with latch closure and screw locking.The design of the folding head unit of old usefulness lies in this Folding Bicycle front-wheel steering axle outer cover one sleeve pipe, and a holder is established in this sleeve pipe upper end, and main car frame front end tool one location hook of this Folding Bicycle, this location hook can buckle into and break away from this holder.This holder top is provided with a set collar, and this steady ring is fixed on can do on this sleeve pipe with an axle and swings up and down, to open and to lock this main car frame front end.

For the folding head of understanding this creation with old with folding difference on effect between wheels and main car frame before the Folding Bicycle of No. 99249607.1, utility model.See also the old Folding Bicycle in Figure 13 upper left corner (A) with No. 99249607.1, utility model, this Folding Bicycle system by preceding wheels 1, back wheels 2, and main car frame 37 form.See also this Folding Bicycle of Figure 13 upper right corner (B) and unclamp main car frame front end location hook 71 scheme drawings in the folding head of old usefulness.The old state that becomes shopping cart with Folding Bicycle after folding, two vertical direction eye diagrams shown in (C) and bottom right (D) in Figure 13 right side.To wherein fold the head position again and be amplified to Figure 13 lower left (E).See also folding each member scheme drawing of head unit of (E) old usefulness in the great circle of Figure 13 lower left.Wherein:

Old front-wheel steering axle 12 outer cover one sleeve pipe 15 with device.A holder 151 is established in these sleeve pipe 15 upper ends, and front end tool one location hook 71 of this Folding Bicycle main car frame 37.This location hook 71 can buckle into and break away from this holder 151.Circular arc paster 711 of this location hook front end welding is close to this sleeve pipe 15 to assist this location hook 71.These holder 151 tops are provided with a steady ring 16.This steady ring 16 is fixed on this sleeve pipe 15 with an axle 161, can do to lower swing, screws tight this main car frame front end location hook 71 and this circular arc paster 711 is close on this sleeve pipe 15 with a screw 162 after swinging to the end, finishes connection.Unclamp this screw 162 and, finish separation the upwards then unlatching of swing of this steady ring 16.The resistibility of the above-below directions that the folding head unit that No. 99249607.1, this utility model must bear in the way of advancing for 71 of this main car frame front end location hooks and the huge scissors of left and right directions and moment of flexure is very limited really, cause the up-down vibration and the wigwag motion of Folding Bicycle easily, form the misgivings on the safety.

Summary of the invention:

The purpose of this utility model is to provide a kind of improved folding head unit that Folding Bicycle can be converted to shopping cart, and it can overcome the some shortcomings of a folding insufficient strength, folding process complexity in the prior art.

To achieve these goals, the technical solution of the utility model is: a kind of folding head unit that Folding Bicycle can be converted to shopping cart, it mainly comprises stationary pipes, is located at the pedestal of stationary pipes end, and the Connection Block that matches with pedestal of the end that is located at main car frame, it is characterized in that: pedestal is ∏ shape, is connected in sequence by left plate, back plate and right panel; An axial trough that turns left and right under shed is respectively opened in the wall below of this left side plate and right panel, turn left and right axial trough and be left and right symmetry, left and right two tops, top of rotating axial trough are half circumferential notch, two centers of circle of left and right two halves circumferential notch link to each other becomes a rotational axis line, and the place ahead groove face and the rear groove face of left and right two rotation axial troughs are parallel to each other; There is a safe circular hole at the left wooden partition face middle part of pedestal; The front end of stationary pipes system is welded on the position, plane, middle part, rear end of plate behind this pedestal; The rear end plane system of Connection Block is welded in the front top of main car frame, and the front end of Connection Block has three outstanding half-cylindrical cylinders, is respectively that jack-post, a middle safety post, an and quick detach post of top are rotated in one of below; Described three cylinders are the continuous back transverse plane that continues up to Connection Block in same width and rear; The width of this Connection Block matches with space width between left and right two plates of pedestal.

The front end of this stationary pipes system is welded on the position, plane, rear end of plate behind this pedestal, the rear end of this stationary pipes then is welded on the steering shaft sleeve pipe of this bicycle, so the transverse cross-sectional shape of this stationary pipes and length can cooperate the appropriate location of this pedestal in the car load design, independently do necessary adjustment, the transverse cross-sectional shape of this stationary pipes needn't be identical with this main car frame pipe, and this stationary pipes can be hollow or solid.

The rear end plane system of this Connection Block is welded in this main car frame front top position; There are three outstanding half-cylindrical cylinders in the place ahead of this Connection Block, is respectively that jack-post, a middle safety post, an and quick detach post of top are rotated in one of below.These three cylinders are the continuous back transverse plane that is extended to this Connection Block in same width and rear; The width of this Connection Block just can cooperate stretch into left and right two plates of this pedestal between the room; The left and right two ends of this rotation jack-post are outstanding separately one columniform turning cylinder left side protrusion and the right protrusion of turning cylinder that is left and right symmetry respectively, for the left-hand rotation moving axis groove and the right-hand rotation moving axis groove that stretch into the left and right wooden partition face of this pedestal below.The right-hand of this safety post is solid, the left of this safety post then has a cylindrical cavities, one spring volume is arranged at the inner right-hand bottom of this cylindrical cavities, the left of this spring volume then withstands a safety cylinder, the left end of this safety cylinder is worn into the approximate circle sphere, so that pressing this safety cylinder with a finger makes in this this safety post of safety cylinder retraction, again this Connection Block is slipped into together with the rotation of this safety post this pedestal left and right plate between after, the spring force of this spring volume of multiple mat ejects this safety cylinder in this safe circular hole at the wall middle part of this pedestal left side plate; There is female screw circle hole in the place ahead of this safety cylinder, this mother's screw circle hole can be screwed into a public screw, this public affairs screw can be left and right mobile in the short groove that this safety post the place ahead is left, and its moving range can make the top of this safety cylinder adjust in the thickness of this left side plate.

This quick detach post mainly be by quick detach axis of a cylinder, a quick detach axle, one with this quick detach axle become plasticity cylindrical spacer that eccentric shaft that T shape links to each other, an eccentric shaft crank, one be close to mutually with this eccentric shaft crank, and other relevant mating component form, old have various quick detach post to construct with technology; The position that this pedestal top corresponds to this quick detach post on this Connection Block top cooresponding structure that then matches, entering or withdrawing from this quick detach axis of a cylinder of cooperating this Connection Block top.Roughly, old have two kinds of different basic quick detach post designs with technology; First kind of design is: the axis direction of this quick detach axle is parallel with the axis direction of this quick detach axis of a cylinder and integrate, and this is this novel patent first embodiment proposed below; Second kind of design is: the axis direction of the axis direction of this quick detach axle and this quick detach axis of a cylinder is perpendicular, and this is this novel patent second embodiment proposed below.No matter first embodiment or second embodiment, all with dexterous folding type bicycle user, the bulking block of first embodiment or second embodiment all can left and rightly be exchanged.

The structure of pedestal and Connection Block is under the situation that remains unchanged simultaneously, this pedestal and Connection Block rotate 90 degree simultaneously in a clockwise direction, again transverse plane behind position, plane, middle part, pedestal rear end and this Connection Block is welded in this stationary pipes front end and this main car frame front top respectively, also can finishes same effect.

This Connection Block and this pedestal self-separation state begin to carry out connecting moves, this Connection Block and this pedestal are closely cooperated be integral, can be divided into three steps and carry out until finish coupled condition.

First step is that axial troughs are rotated in two of close this pedestal below of this rotation jack-post of this Connection Block below, this rotates this outstanding turning cylinder left side protrusion of jack-post left and this rotates the right protrusion of right-hand this outstanding turning cylinder of jack-post, slip into from the left-hand rotation moving axis groove and the right-hand rotation moving axis groove of this pedestal left side plate respectively simultaneously, boost along groove simultaneously then, rotate till the semicircle breach of axial trough upper end until the right protrusion of this turning cylinder left side protrusion and this turning cylinder rests on semicircle breach and this right panel of this plate rotation axial trough upper end, left side simultaneously respectively.This moment, this Connection Block can this turning cylinder be the axle rotation.

Second step is to press this safety cylinder of this safety post left with a finger, because this spring volume of this safety post in-to-in just is positioned at the right-hand of this safety cylinder, so after pressing this safety cylinder with this finger, this quick detach post of this Connection Block top is able to the anticlockwise rotation and slips in this pedestal, loosen this finger after sliding into the end, this safety cylinder can eject in this safe circular hole at this plate middle part, pedestal left side, this Connection Block can't be separated under normal condition with this pedestal, and this is this case design-calculated safety measure; This quick detach post of this Connection Block top also enters engagement formation such as other flute profile of top of this pedestal or circular hole simultaneously, finish this Connection Block and this pedestal between be connected and fixed.

The 3rd step is that this eccentric shaft crank on this quick detach axle on this Connection Block is rotated with anticlockwise, coaxial this plasticity pad of mat and this quick detach axle is the cooresponding structure that matches on tight this pedestal of this quick detach axial compression, finish this pedestal and this Connection Block between be locked.This moment, this Folding Bicycle can use as Regular Bicycle.

Reciprocal operation then can make this Connection Block and this pedestal be returned to released state from coupled condition, so that Folding Bicycle is folded.

Description of drawings:

Fig. 1 is the decomposition texture scheme drawing of the utility model first embodiment

Fig. 2 is the structural representation of the utility model first embodiment pedestal

Fig. 3 is the structural representation of the utility model first embodiment Connection Block

Fig. 4 enters the first step figure of coupled condition for Connection Block and the pedestal self-separation state of the utility model first embodiment

Fig. 5 is the Connection Block of the utility model first embodiment and second block diagram that pedestal self-separation state enters coupled condition

Fig. 6 enters the third step figure of coupled condition for Connection Block and the pedestal self-separation state of the utility model first embodiment

Fig. 7 is the decomposition texture scheme drawing of the utility model second embodiment

Fig. 8 is the structural representation of the utility model second embodiment pedestal

Fig. 9 is the structural representation of the utility model second embodiment Connection Block

Figure 10 enters the first step figure of coupled condition for Connection Block and the pedestal self-separation state of the utility model second embodiment

Figure 11 is the Connection Block of the utility model second embodiment and second block diagram that pedestal self-separation state enters coupled condition

Figure 12 enters the third step figure of coupled condition for Connection Block and the pedestal self-separation state of the utility model second embodiment

Figure 13 is the running condition reference diagram and the existing structural representation that folds each parts of head of the folding bicycle of prior art

The specific embodiment:

The utility model will be further described below in conjunction with drawings and Examples.

The utility model mainly comprises stationary pipes, is located at the pedestal of stationary pipes end, and is located at the Connection Block that matches with pedestal in the end of main car frame, and it is characterized in that: pedestal is ∏ shape, is connected in sequence by left plate, back plate and right panel; An axial trough that turns left and right under shed is respectively opened in the wall below of this left side plate and right panel, turn left and right axial trough and be left and right symmetry, left and right two tops, top of rotating axial trough are half circumferential notch, two centers of circle of left and right two halves circumferential notch link to each other becomes a rotational axis line, and the place ahead groove face and the rear groove face of left and right two rotation axial troughs are parallel to each other; There is a safe circular hole at the left wooden partition face middle part of pedestal; The front end of stationary pipes system is welded on the position, plane, middle part, rear end of plate behind this pedestal; The rear end plane system of Connection Block is welded in the front top of main car frame, and the front end of Connection Block has three outstanding half-cylindrical cylinders, is respectively that jack-post, a middle safety post, an and quick detach post of top are rotated in one of below; Described three cylinders are the continuous back transverse plane that continues up to Connection Block in same width and rear; The width of this Connection Block matches with space width between left and right two plates of pedestal.

Rotate jack-post 61 inside one cylindrical cavities 612 that runs through full post is arranged, be provided with a cylindrical turning cylinder 611 in the cylindrical cavities, cylindrical turning cylinder has an axial line 66, the left and right two ends of turning cylinder 611 are the outwards outstanding turning cylinder left side protrusion 6111 in left and right two ends and the right protrusion 6112 of a turning cylinder of autorotation jack-post respectively, the left and right protrusion of turning cylinder is left and right symmetry, and its length is greater than the thickness of pedestal left side plate 51 or pedestal right panel 52; The below, middle part of rotating jack-post 61 is provided with a female screw circular hole 613 that runs through the bottom wall of turning cylinder post 61, the axial line of this mother's screw circular hole is vertical mutually with the axial line of turning cylinder, be provided with a public screw 6131 in female screw circular hole, public screw is fixed in turning cylinder the middle part lower position that rotates jack-post 61; The right-hand of safety post is solid, the left of this safety post then has a cylindrical cavities, one spring volume is arranged at the inner right-hand bottom of this cylindrical cavities, the left of this spring volume withstands a safety cylinder, the left end of safety cylinder is the approximate circle sphere, there is female screw circle hole in the place ahead of safety cylinder, and female screw circle is provided with a public screw in the hole.This quick detach post is mainly become plasticity cylindrical spacer that eccentric shaft that T shape links to each other, an eccentric shaft crank, one be close to mutually with this eccentric shaft crank with this quick detach axle, is reached other relevant mating component and form by quick detach axis of a cylinder, a quick detach axle, one; Be parallel to each other between the axis direction of the axis direction of quick detach axle and this quick detach axis of a cylinder or vertical, the position that the top of pedestal corresponds to the quick detach post on the Connection Block top cooresponding structure that then matches, entering or withdrawing from the quick detach axis of a cylinder that cooperates this Connection Block top.

Be the effect of first embodiment that this creation is described, see also Fig. 1 (A) and be the primary member of the folding head unit of the Folding Bicycle main car frame front end of first embodiment of this creation scheme drawing in released state.First embodiment of this creation mainly comprises a pedestal 5, a stationary pipes 38, reaches a connecting seat 6; The rear end 382 that the front end 381 that the front end end face 371 that also indicates simultaneously main car frame 37 among Fig. 1 (A) is welded in the position on this plane, Connection Block 6 rear, this stationary pipes 38 is welded in the position on this plane, pedestal 5 rear and this stationary pipes 38 is welded in the position of the sleeve pipe 15 of this Folding Bicycle front-wheel steering axle 12.Fig. 1 (B) figure is the front elevation of Connection Block of first embodiment of this creation.

See also Fig. 2 and be the place ahead detail structure figure of pedestal of first embodiment of this creation.Wherein: this pedestal 5 is ∏ shape, be by a left plate 51, a right panel 52, and a back plate 53 form.This left side plate 51 is left and right symmetry with this right panel 52.There is a left-hand rotation moving axis groove 511 under shed the below of this left side plate 51, the top of left-hand rotation moving axis groove 511 (on) end be a left semicircle v notch v 5111, this left-hand rotation moving axis groove 511 has a left plate rear groove face 5112 and one left plate the place ahead groove face 5113 in addition, and this plate rear, left side groove face 5112 parallels with this plate the place ahead, left side groove face 5113.There is a right-hand rotation moving axis groove 521 under shed the below of this right panel 52, the top of right-hand rotation moving axis groove 521 (on) end be a right semicircular breach 5211, right-hand rotation moving axis groove 521 has a right panel rear groove face 5212 and right panel the place ahead groove face 5213 in addition, and this right panel rear groove face 5212 parallels with this right panel the place ahead groove face 5213.Left-hand rotation moving axis groove 511 is left and right symmetry with right-hand rotation moving axis groove 512.The center of circle of the center of circle of this left semicircle v notch v 5111 and this right side half-turn v notch v 5211 is connected to a rotational axis line 55.There is a safe circular hole 513 the nearly middle part of this left side plate 51, and the left side of this safe circular hole 513 enlarges its diameter in the mode of a circular conical surface 5131.The top of this left side plate 51 then has a left quick detach axis of a cylinder groove 512 of forwards opening in addition, and top (back) end of this left side quick detach axis of a cylinder groove 512 has half circumferential notch 5121, this left side quick detach axis of a cylinder groove 512 that a left plate top groove face 5122 and a left plate below groove face 5123 are arranged in addition; This plate top, left side groove face 5122 is a plane, and is perpendicular with the front of this left side plate 51; This plate below, left side groove face 5123 is an arcwall face, is from the lower end of this semicircle breach 5121, is axle with this rotational axis line 55, in a clockwise direction the arcwall face of rotation formation; The left side of this semicircle breach 5121 then enlarges its diameter in the mode of a circular conical surface 5124.Also there is a right quick detach axis of a cylinder groove 522 of forwards opening the top of this right panel 52, and top (back) end of this right side quick detach axis of a cylinder groove 522 has half circumferential notch 5221, this right side quick detach axis of a cylinder groove 522 that right panel top groove face 5222 and right panel below groove face 5223 are arranged in addition; This right panel top groove face 5222 is a plane, and is perpendicular with the front of this right panel 52; This right panel below groove face 5223 is an arcwall face, is from the lower end of this semicircle breach 5221, is that the axle center rotates the arcwall face that forms forward in a clockwise direction with this rotational axis line 55; The right-hand part of this semicircle breach 5221 then enlarges its diameter in the mode of a circular conical surface 5224.This left side quick detach axis of a cylinder groove 512 is left and right symmetry with this right side quick detach axis of a cylinder groove 522.

See also Fig. 3 (A) and be the place ahead detail structure figure of Connection Block of first embodiment of this creation.Wherein: the rear of Connection Block 6 is the plane, for these main car frame 37 front end end faces 371 of solid welding; This Connection Block 6 be configured to that there are three half round posts in the place ahead but the cylinder of its rear for linking to each other.Rotation jack-post 61 below these three cylinders are respectively,, a quick detach post 62 of top and a middle safety post 63.The width of these three

cylinders

61,62,63 just can cooperate the left plate 51 of this pedestal 5 and the gap of right panel 52 to slip into.Rotate jack-post 61 inside one cylindrical cavities 612 that runs through full post is arranged, be provided with a cylindrical turning cylinder 611 in the cylindrical cavities, cylindrical turning cylinder has an axial line 66, the left and right two ends of turning cylinder 611 are the outwards outstanding turning cylinder left side protrusion 6111 in left and right two ends and the right protrusion 6112 of a turning cylinder of autorotation jack-post respectively, the left and right protrusion of turning cylinder is left and right symmetry, and its length is greater than the thickness of pedestal left side plate 51 or pedestal right panel 52; The below, middle part of rotating jack-post 61 is provided with a female screw circular hole 613 that runs through the bottom wall of turning cylinder post 61, the axial line of this mother's screw circular hole is vertical mutually with the axial line of turning cylinder, be provided with a public screw 6131 in female screw circular hole, public screw is fixed in turning cylinder the middle part lower position that rotates jack-post 61.There is a fitfull cylindrical cavities 626 these quick detach post 62 inside, this fitfull cylindrical cavities 626 is partly formed by three, its left and right part is the left cylindrical cavities 6261 and the right cylindrical cavities 6262 of symmetry, and intermediate portion part then is the less small cylindrical cavity 6263 of a diameter.There is left spring volume 627 in the end of this left side cylindrical cavities 6261 (right side) portion, and this left spring volume 627 withstands the left quick detach axis of a cylinder sleeve group 623 of a T shape left; The left part of this left side quick detach axis of a cylinder sleeve group 623 is one to increase the left disc pad 6231 of diameter left with turbination, the right part of this left side quick detach axis of a cylinder sleeve group 623 is a columniform left quick detach axis of a cylinder sleeve 6232, near the axle center of this left side quick detach axis of a cylinder sleeve group 623 then is a left sleeve cylindrical cavities 6233, and the diameter of this left sleeve cylindrical cavities 6233 is identical with this small cylindrical cavity 6263.Structure in this right side cylindrical cavities 6262 and the structure in this left side cylindrical cavities 6261 are left and right symmetry; There is a right spring volume 628 in the end of this right side cylindrical cavities 6262 (left side) portion, and this right side spring volume 628 withstands the right quick detach axis of a cylinder sleeve group 624 of a T shape to the right; The right part of this right side quick detach axis of a cylinder sleeve group 624 is the right disc pad 6241 that a taper shape increases diameter to the right, the left part of this right side quick detach axis of a cylinder sleeve group 624 is a columniform right quick detach axis of a cylinder sleeve 6242, then be a right sleeve cylindrical cavities 6243 near the axle center of this right side quick detach axis of a cylinder sleeve group 624, the diameter of this right side sleeve cylindrical cavities 6243 is identical with this small cylindrical cavity 6263.The left of this left side disc pad 6231 has the together left plasticity cylinder 621 of diameter, and a circular hole 6211 is arranged near the axle center of this left side plasticity cylinder 621, and the diameter of this circular hole 6211 is identical with this small cylindrical cavity 6263.This right side disc pad 6241 right-hand has the together right plasticity cylinder 622 of diameter in addition, and a female screw circular hole 6221 is arranged near the axle center of this right side plasticity cylinder 622.This quick detach post 62 runs through with an elongated cylindrical quick detach axle 629, the right-hand member of this elongated cylindrical quick detach axle 629 is a public screw 6291, this public affairs screw 6291 just can be screwed into this mother's screw circular hole 6221, the left end of this elongated cylindrical quick detach axle 629 then is connected to an eccentric shaft 6251 in the mode of T shape, and this eccentric shaft 6251 can drive in an eccentric shaft crank 625 rotations.The right-hand of this safety post 63 is solid, the left of this safety post 63 then has a cylindrical cavities 635, one spring volume 632 is arranged at these cylindrical cavities 635 inner right-hand bottoms, the left of this spring volume 632 then withstands a safety cylinder 631, the left end of this safety cylinder 631 is worn into the approximate circle sphere, so that an available finger 9 is pressed, there is female screw circle hole 6311 in the place ahead of this safety cylinder 631, this mother's screw circle hole 6311 can be screwed into a public screw 633 (seeing upper right side B figure), this public affairs screw 633 can be left in the short groove 634 (seeing upper right side B figure) that these safety post 63 the place aheads are left, move right, its moving range only can make the top of this safety cylinder 631 adjust in the thickness of this left side plate 51, because the spring force left of this spring volume 632, only can press this safety cylinder 631 by a finger 9, make this Connection Block 6 can enter the ∏ shape inside of this pedestal 5, loosen this finger 9 after entering again, this safety cylinder 631 can eject again, enters in this safe circular hole 513 at these left side plate 51 middle parts.As desire to make this Connection Block 6 to break away from this pedestal 5, and also must press this safety cylinder 631 with this finger 9 earlier, make this Connection Block 6 can produce this pedestal 5.

This Connection Block and this pedestal self-separation state that see also Fig. 4 and be first embodiment of this creation enter the first step figure of coupled condition.Wherein: will rotate earlier jack-post 61 partly slip into left plate 51 under this pedestal 5 and right panel 52 between, make these rotation jack-post 61 left and right these outstanding turning cylinder left side protrusions 6111 and the right protrusion 6112 of this turning cylinder simultaneously near the left-hand rotation moving axis groove 511 of these pedestal 5 belows and the notch of right-hand rotation moving axis groove 521, shown in Fig. 4 (A); Then this turning cylinder left side protrusion 6111 and the right protrusion 6112 of this turning cylinder are turned left simultaneously in the axial trough 511 and upwards push (direction as shown by arrows) in the right-hand rotation moving axis groove 521, this moment, this rotational axis line 55 was parallel with this axial line 66 but separate.After being pushed into the end, shown in Fig. 4 (B), this rotational axis line 55 has integrated with this axial line 66; This turning cylinder left side protrusion 6111 has been tight against this left semicircle v notch v 5111, and simultaneously, the right protrusion 6112 of this turning cylinder also is tight against this right semicircular breach 5211.

See also Fig. 5 and be this Connection Block of first embodiment of this creation and second block diagram that this pedestal self-separation state enters coupled condition.Wherein: after pressing this safety cylinder 631 with a thumb 9, shown in Fig. 5 (A), is axle with this quick detach post 62 with this axial line 66, rotation pushes in this left side quick detach axis of a cylinder groove 512 and this right side quick detach axis of a cylinder groove 522, (as the indicated hand of rotation of arrow), this left side quick detach axis of a cylinder sleeve 6232 of these quick detach post 62 lefts and this right-hand right side quick detach axis of a cylinder sleeve 6242 can slip into along the left plate below groove face 5123 of this pedestal and the arc groove face rotation of this right panel below groove face 5223 respectively simultaneously.After sliding into the end, loosen this thumb 9 shown in Fig. 5 (B), this safety cylinder 631 is ejected by the spring force of this spring volume 632, enters this safe circular hole 513 and pins, and this moment, this Connection Block 6 can't skid off automatically.

See also Fig. 6 and be this Connection Block of first embodiment of this creation and the 3rd block diagram that this pedestal self-separation state enters coupled condition.Wherein: rotate this eccentric shaft crank 625 with anticlockwise, shown in the direction of arrow of Fig. 6 (A); At this moment, this left side plasticity cylinder 621 right should compress this circular conical surface 5124 that is close to this plate top, pedestal left side by the disc pad 6231 right-hand rounding conical surfaces in a left side from a left side; Simultaneously, the rounding conical surface that this right-hand right side plasticity cylinder 622 also should right side disc pad 6241 lefts from a right and left side compresses this right side circular conical surface 5224 that is close to this pedestal right panel top, utilizes two groups of friction force that just, fall between two circular conical surfaces to be locked; Shown in Fig. 6 (B), finish coupled condition.At this moment, this Folding Bicycle can be used as the Regular Bicycle use.Rotate this right side plasticity cylinder 622, the screw threads in this mother's screw circular hole 6221 can adjust these left and right two groups of circular conical surfaces between friction force to optimum regime.

Reverse operation can make this Connection Block 6 return to released state with this pedestal 5.

Embodiment 2

Be the effect of second embodiment that this creation is described, see also Fig. 7 (A) and be the primary member of second embodiment of the folding head unit that Folding Bicycle can be converted to shopping cart of this creation scheme drawing in released state.Second embodiment of this creation mainly comprises a pedestal 5, a stationary pipes 38, reaches a connecting seat 6; The rear end 382 that the front end 381 that the front end end face 371 that also indicates simultaneously main car frame 37 among Fig. 7 (A) is welded in the position on this plane, Connection Block 6 rear, this stationary pipes 38 is welded in the position on this plane, pedestal 5 rear and this stationary pipes 38 is welded in the position on the sleeve pipe 15 of this Folding Bicycle front-wheel steering axle 12.Fig. 7 (B) figure is the front elevation of Connection Block of second embodiment of this creation.

See also Fig. 8 and be the place ahead detail structure figure of pedestal of second embodiment of this creation.Wherein: this pedestal 5 is ∏ shape, be by a left plate 51, a right panel 52, and a back plate 53 form.This left side plate 51 is left and right symmetry with this right panel 52.There is a left-hand rotation moving axis groove 511 under shed the wall below of this left side plate 51, the top of this left-hand rotation moving axis groove 511 (on) end be a left semicircle v notch v 5111, left-hand rotation moving axis groove 511 has a left plate rear groove face 5112 and one left plate the place ahead groove face 5113 in addition, and this plate rear, left side groove face 5112 parallels with this plate the place ahead, left side groove face 5113.There is a right-hand rotation moving axis groove 521 under shed the wall below of this right panel 52, the top of right-hand rotation moving axis groove 521 (on) end be a right semicircular breach 5211, this right-hand rotation moving axis groove 521 has a right panel rear groove face 5212 and right panel the place ahead groove face 5213 in addition, and this right panel rear groove face 5212 parallels with this right panel the place ahead groove face 5213.Left-hand rotation moving axis groove 511 is left and right symmetry with right-hand rotation moving axis groove 512.The center of circle of the center of circle of this left semicircle v notch v 5111 and this right side half-turn v notch v 5211 is connected to a rotational axis line 55.There is a safe circular hole 513 the nearly middle part of the wall of this left side plate 51, and the left side of this safe circular hole 513 enlarges its diameter in the mode of a circular conical surface 5131.There is a quick detach axis of a cylinder circular hole 523 the wall top of this right panel 52.The rectangular block 531 that the rear end wall top solid welding one of the back plate 53 of this pedestal 5 is given prominence to, there is the U-shaped quick detach axial trough 5311 of a upward opening at this rectangular block 531 and the middle part at the position that links to each other of this back plate 53 walls top, and the below groove bottom part of this U-shaped quick detach axial trough 5311 is half circumferential notch 5312.

See also Fig. 9 (A) and be the place ahead detail structure figure of Connection Block of second embodiment of this creation.Wherein: the rear end of this Connection Block 6 is the plane, for the front end end face 371 of this main car frame 37 of solid welding; These Connection Block 6 front ends be configured to three half round posts but the cylinder of its rear for linking to each other.Rotation jack-post 61 below these three cylinders are respectively,, a quick detach post 64 of top and a middle safety post 63.The width of these three

cylinders

61,64,63 just can cooperate the left plate 51 of this pedestal 5 and the gap of right panel 52 to slip into.Rotate jack-post 61 inside one cylindrical cavities 612 that runs through full post is arranged, be provided with a cylindrical turning cylinder 611 in the cylindrical cavities, cylindrical turning cylinder has an axial line 66, the left and right two ends of turning cylinder 611 are the outwards outstanding turning cylinder left side protrusion 6111 in left and right two ends and the right protrusion 6112 of a turning cylinder of autorotation jack-post respectively, the left and right protrusion of turning cylinder is left and right symmetry, and its length is greater than the thickness of pedestal left side plate 51 or pedestal right panel 52; The below, middle part of rotating jack-post 61 is provided with a female screw circular hole 613 that runs through the bottom wall of turning cylinder post 61, the axial line of this mother's screw circular hole is vertical mutually with the axial line of turning cylinder, be provided with a public screw 6131 in female screw circular hole, public screw is fixed in turning cylinder the middle part lower position that rotates jack-post 61.The stage casing 646 of this quick detach post 64 is to hollow out, and a cylindrical right part circular hole 647 is arranged in these quick detach post 64 right parts, and a cylindrical left part circular hole 648 is arranged in these quick detach post 64 left parts in addition; This right part circular hole 647 has the diameter that equates with this left part circular hole 648, and the axle center of this two circular hole 647,648 links to each other in line; The right-hand member 644 of this quick detach post 64 is for opening mouth, the left end 645 of this quick detach post 64 is a close mouth, this quick detach post is opened mouth 644 with a quick detach axis of a cylinder 641 from this right-hand member and is stretched into, run through this right part circular hole 647, this hollows out stage casing 646, and this left part circular hole 648, props up this left end close mouth 645 of this quick detach post 64 then with the left end 6412 of this quick detach axis of a cylinder 641; The total length of this quick detach axis of a cylinder 641 equals this quick detach post right-hand member just and opens mouth 644 to the distance between this left end close mouth 645; The diameter of the right-hand member segment 6411 of this quick detach axis of a cylinder 641 is slightly less than the diameter at these quick detach axis of a cylinder 641 all the other positions, and the length of this right-hand member segment 6411 just equals the thickness of right panel 52 walls of this pedestal 5.When this Connection Block 6 enters under these pedestal 5 in-to-in situations, this quick detach axis of a cylinder 641 can be connected and fixed this Connection Block 6 by stretching out in this quick detach axis of a cylinder circular hole 523 on wall top that this right-hand member segment 6411 enters this pedestal right panel 52 with this pedestal 5.There is a female screw circular hole 6413 this quick detach axis of a cylinder 641 hollows out position 646 in this stage casing of this quick detach post 64 appropriate location, in this mother's screw circular hole 6413 female screw thread is arranged, and line of centers that should mother's screw circular hole 6413 intersects with the axial line of vertical direction and this quick detach axis of a cylinder 641; This mother's screw circular hole 6413 can be that the quick detach axle 642 of public screw runs through and is threaded into the appropriate location with a front portion, again with a nut 6421 this quick detach axle 642 that is locked; The other end of this quick detach axle 642 then is connected to an eccentric shaft 6431 with T shape, this eccentric shaft 6431 by an eccentric shaft crank 643 around, in order to control the effective length of this quick detach axle 642; This eccentric shaft crank 643 is close to the small cylindrical of a hollow and the plasticity pad 6432 coaxial with this quick detach axle 642, and this plasticity pad 6432 can be in order to this quick detach axle 642 that is locked.The right-hand of this safety post 63 is solid, the left of this safety post 63 then has a cylindrical cavities 635, one spring volume 632 is arranged at these cylindrical cavities 635 inner right-hand bottoms, the left of this spring volume 632 then withstands a safety cylinder 631, the left end of this safety cylinder 631 is worn into the approximate circle sphere, so that an available finger 9 is pressed; There is female screw circle hole 6311 in the place ahead of this safety cylinder 631, this mother's screw circle hole 6311 can be screwed into a public screw 633 (seeing upper right side B figure), this public affairs screw 633 can be left and right mobile in the short groove 634 (seeing upper right side B figure) that these safety post 63 the place aheads are left, its moving range can make the top of this safety cylinder 631 adjust in the thickness of this left side plate 51, because the spring force left of this spring volume 632, can one finger 9 press this safety cylinder 631, this Connection Block 6 can be rotated slip into this pedestal 5

Shape inside is loosened this finger 9 again after slipping into, this safety cylinder 631 can eject again, enters in this safe circular hole 513 at these left side plate 51 middle parts.As desire these Connection Block 6 these pedestals 5 of disengaging of skill, and also must press this safety cylinder 631 with this finger 9 earlier, this Connection Block 6 can be rotated skid off this pedestal 5.

This Connection Block and this pedestal self-separation state that see also Figure 10 and be second embodiment of this creation enter the first step figure of coupled condition.Wherein: will rotate earlier jack-post 61 partly slip into left plate 51 under this pedestal 5 and right panel 52 between, make these rotation jack-post 61 left and right these outstanding turning cylinder left side protrusions 6111 and the right protrusion 6112 of this turning cylinder simultaneously near the left-hand rotation moving axis groove 511 of these pedestal 5 belows and the notch of right-hand rotation moving axis groove 521, shown in Figure 10 (A); Then this turning cylinder left side protrusion 6111 and the right protrusion 6112 of this turning cylinder are turned left simultaneously in the axial trough 511 and upwards push (direction as shown by arrows) in the right-hand rotation moving axis groove 521, this moment, this rotational axis line 55 was parallel with this axial line 66 but separate.After being pushed into the end, shown in Figure 10 (B), this rotational axis line 55 has integrated with this axial line 66; This turning cylinder left side protrusion 6111 has been tight against this left semicircle v notch v 5111, and simultaneously, the right protrusion 6112 of this turning cylinder also is tight against this right semicircular breach 5211.

See also Fig. 1 l and be this Connection Block of second embodiment of this creation and second block diagram that this pedestal self-separation state enters coupled condition.Wherein: shown in Figure 11 (A), push this quick detach axle 642 to left earlier, make this quick detach axis of a cylinder 641 that vertically is fixed at this quick detach axle 642 be pushed into the end left, in these quick detach post 641 right-hand in-to-in right part circular holes 647 of reduced diameter section 6411 retractions of the right-hand member of this quick detach axis of a cylinder 641, reach the state of Figure 11 (B).Press this safety cylinder 631 with a finger 9 this moment shown in Figure 11 (B), simultaneously according to shown in the direction of arrow, be the axle center with this Connection Block 6 with this axial line 55 (or this rotational axis line 66), and the anticlockwise rotation pushes the inside of this pedestal 5; This moment, this safety cylinder 631 ejected by the spring force of its right-hand continuous this spring volume 632, and this that enters these pedestal 5 left plates 51 middle parts in the figure hole 513, reaches the state of Figure 11 (C) safely.This moment is shown in the direction of arrow among Figure 11 (C), push to this quick detach axle 642 right-hand, make this quick detach axis of a cylinder 641 that vertically is fixed at this quick detach axle 642 to right-hand release, the reduced diameter section 6411 of the right-hand member of this quick detach axis of a cylinder 641 just can push this of this right panel 52 tops of this pedestal 5 fully and tear open in the axis of a cylinder circular hole 523, finish this Connection Block 6 and this pedestal 5 between be connected and fixed, shown in Figure 11 (D).Under normal condition, this Connection Block 6 can't skid off this pedestal 5 automatically.

See also Figure 12 and be this Connection Block of second embodiment of this creation and the 3rd block diagram that this pedestal self-separation state enters coupled condition.Wherein: earlier according to shown in the direction of arrow among Figure 12 (A), with this quick detach axis of a cylinder 641 is axle, this quick detach axle 642 is rotated with anticlockwise, this quick detach axle 642 is rotated in this U-shaped quick detach axial trough 5311 of back plate 53 tops of slipping into this pedestal 5, prop up the semicircle breach 5312 of the bottom land of this U-shaped quick detach axial trough 5311, reach the state of Fig. 6 (B).This moment is again according to shown in the direction of arrow among Figure 12 (B), with this eccentric shaft crank 643, with this eccentric shaft 6431 is axle, rotate with anticlockwise, this plasticity pad 6432 of mat is locked this quick detach axle 642, reach the state of Figure 12 (C), finish this pedestal 5 and this Connection Block 6 between be locked.This moment, this Folding Bicycle can use as Regular Bicycle.

The folding head unit that folding bike can be converted to shopping cart that this creation provides compared with prior art has following advantage:

1, the folding head unit of this creation can closely be joined wheels before the folding bike and main car frame front end Integrator can bear stress or the shearing of vibration force, moment of flexure and any direction. And prior art is carried The folding head of confession is for horizontal direction and along huge shearing, the moment of flexure and running of steering spindle above-below direction Vibration all can't provide enough resistance power.

2, the folding head unit of this creation is designing very simply in shape, uses with the prior art connector The design such as hook, ring is greatly different. The folding head unit of this new patent is wheels and main car frame front end company before finishing Can cooperate the folding bike in different wheels footpath after connecing, its effect can make this position form whole folding type self-propelled The strongest position in the bassinet structure, this function is irrelevant with wheel footpath size. Located by prior art then makes this position than other The position is fragile easily sliding, the quite difficult folding bike that cooperates the bull wheel footpath of the folding head of located by prior art.

3, the folding head unit of this creation, wherein the length of this stationary pipes and shape can cooperate the car load design In this pedestal appropriate location and do necessary adjustment, can be different from the main car frame shape; Also can be for hollow Or solid. Commonly use the position at folding 71 place of device and be close to the steering spindle sleeve pipe, this place is that a stress is concentrated Point is not only position.

4, the folding head unit of this creation, for the transverse cross-sectional shape of different main car frame pipes, as circular, Rectangle, ellipse, even two-tube etc., all can cooperate solid welding on plane, Connection Block rear, finish same Effect.

Claims

1, a kind of folding head unit that Folding Bicycle can be converted to shopping cart, it mainly comprises stationary pipes, is located at the pedestal of stationary pipes end, and the Connection Block that matches with pedestal of the end that is located at main car frame, it is characterized in that: pedestal is ∏ shape, is connected in sequence by left plate, back plate and right panel; An axial trough that turns left and right under shed is respectively opened in the wall below of this left side plate and right panel, turn left and right axial trough and be left and right symmetry, left and right two tops, top of rotating axial trough are half circumferential notch, two centers of circle of left and right two halves circumferential notch link to each other becomes a rotational axis line, and the place ahead groove face and the rear groove face of left and right two rotation axial troughs are parallel to each other; There is a safe circular hole at the left wooden partition face middle part of pedestal; The front end of stationary pipes system is welded on the position, plane, middle part, rear end of plate behind this pedestal; The rear end plane system of Connection Block is welded in the front top of main car frame, and the front end of Connection Block has three outstanding half-cylindrical cylinders, is respectively that jack-post, a middle safety post, an and quick detach post of top are rotated in one of below; Described three cylinders are the continuous back transverse plane that continues up to Connection Block in same width and rear; The width of this Connection Block matches with space width between left and right two plates of pedestal.

2, a kind of folding head unit that Folding Bicycle can be converted to shopping cart according to claim 1, it is characterized in that: rotating jack-post inside has a cylindrical cavities that runs through full post, be provided with a cylindrical turning cylinder in the cylindrical cavities, cylindrical turning cylinder has an axial line, the left and right two ends of turning cylinder are the outwards outstanding turning cylinder left side protrusion in left and right two ends and the right protrusion of a turning cylinder of autorotation jack-post respectively, the left and right protrusion of turning cylinder is left and right symmetry, and its length is greater than the thickness of pedestal left side plate or pedestal right panel; The below, middle part of rotating jack-post is provided with a female screw circular hole that runs through the bottom wall of turning cylinder post, the axial line of this mother's screw circular hole is vertical mutually with the axial line of turning cylinder, be provided with a public screw in female screw circular hole, public screw is fixed in turning cylinder the middle part lower position that rotates jack-post; The right-hand of safety post is solid, the left of this safety post then has a cylindrical cavities, one spring volume is arranged at the inner right-hand bottom of this cylindrical cavities, the left of this spring volume withstands a safety cylinder, the left end of safety cylinder is the approximate circle sphere, there is female screw circle hole in the place ahead of safety cylinder, and female screw circle is provided with a public screw in the hole; Be provided with the quick detach axis of a cylinder in the cylinder of quick detach post, be connected with a quick detach axle on the quick detach axis of a cylinder.

3, a kind of folding head unit that Folding Bicycle can be converted to shopping cart according to claim 2, it is characterized in that: the axis direction of quick detach axle is parallel with the axis direction of quick detach axis of a cylinder, the left plate of pedestal and the wall of right panel top respectively is provided with the left side of opening forwards, right quick detach axis of a cylinder groove, be a left side, right symmetry, a left side, the top, rear of right two quick detach axis of a cylinder grooves is half circumferential notch, a left side, the top groove face of right two quick detach axis of a cylinder grooves is parallel with the top wall of this left side plate and right panel respectively, a left side, the below groove face of right two quick detach axis of a cylinder grooves is a circular arc groove face, a left side, the circular arc of right two circular arc groove faces is to be the axle center with this rotational axis line, extremely left with rotational axis line, the distance of the lower end of the semicircle breach on top, right two quick detach axis of a cylinder groove rear is a radius, rotates the circular arc that forms in a clockwise direction; There is a fitfull cylindrical cavities quick detach post inside, the fitfull cylindrical cavities is partly formed by three, its left and right part is the left cylindrical cavities and the right cylindrical cavities of symmetry, and middle is the small cylindrical cavity of a diameter less than left and right cylindrical cavities partly.

4, a kind of folding head unit that Folding Bicycle can be converted to shopping cart according to claim 3 is characterized in that: the right-hand member of left cylindrical cavities is provided with left spring volume, and the left end of left spring volume is provided with the left quick detach axis of a cylinder sleeve group of a T shape; The left part of left side quick detach axis of a cylinder sleeve group is a left disc pad, the right part of left side quick detach axis of a cylinder sleeve group is a columniform left quick detach axis of a cylinder sleeve, the place, axle center of left side quick detach axis of a cylinder sleeve group is provided with a left sleeve cylindrical cavities, and the diameter of left sleeve cylindrical cavities is identical with this small cylindrical cavity; The left end of right cylindrical cavities has a right spring volume, and the right-hand member of right spring volume is provided with the right quick detach axis of a cylinder sleeve group of a T shape; The right part of right quick detach axis of a cylinder sleeve group is a right disc pad, the left part of right quick detach axis of a cylinder sleeve group is a columniform right quick detach axis of a cylinder sleeve, the place, axle center of right quick detach axis of a cylinder sleeve group is provided with a right sleeve cylindrical cavities, and the diameter of right sleeve cylindrical cavities is identical with the small cylindrical cavity.

5, a kind of folding head unit that Folding Bicycle can be converted to shopping cart according to claim 4, it is characterized in that: the left of left disc pad is provided with the left plasticity cylinder of a same diameter, there is a circular hole at the place, axle center of left side plasticity cylinder, and Circularhole diameter is identical with the small cylindrical cavity; The right-hand right plasticity cylinder that is provided with a same diameter of right disc pad, there is a female screw circular hole at the place, axle center of right plasticity cylinder; The quick detach post runs through left plasticity cylinder, left quick detach shaft sleeve group, left spring volume, small cylindrical cavity, right spring volume from left to right, reaches right quick detach shaft sleeve group with an elongated cylindrical quick detach axle, the right-hand member of elongated cylindrical quick detach axle is provided with a public screw, public screw matches with female screw circular hole, the left end of elongated cylindrical quick detach axle becomes T shape to link to each other with an eccentric shaft, and eccentric shaft is connected with an eccentric shaft crank.

6, a kind of folding head unit that Folding Bicycle can be converted to shopping cart according to claim 2, it is characterized in that: the axis direction of quick detach axle is vertical with the axis direction of quick detach axis of a cylinder, there is a quick detach axis of a cylinder circular hole top of the right panel wall of pedestal, the rectangular block that the rear end wall top solid welding one of the back plate of pedestal is given prominence to, there is the U-shaped quick detach axial trough of a upward opening at rectangular block and the middle part at the position that links to each other of wooden partition face top, back, and the below groove bottom part of U-shaped quick detach axial trough is half circumferential notch; The stage casing system of quick detach post hollows out, and a cylindrical right part circular hole is arranged in the quick detach post right part, and a cylindrical left part circular hole is arranged in the quick detach post left part in addition, and the right part circular hole has the diameter that equates with this left part circular hole, and the axle center of two circular holes links to each other in line.

7, a kind of folding head unit that Folding Bicycle can be converted to shopping cart according to claim 6, it is characterized in that: the right-hand member of quick detach post is for opening mouth, the left end of quick detach post is a close mouth, one quick detach axis of a cylinder runs through the right part circular hole, hollows out the stage casing, reaches the left part circular hole, and props up the left end close mouth of quick detach post; The length of quick detach axis of a cylinder equals quick detach post right-hand member and opens mouth to the distance between the left end close mouth, and the diameter of the right-hand member of quick detach axis of a cylinder is less than the diameter at all the other positions of quick detach axis of a cylinder, and the length of quick detach axis of a cylinder right-hand member just equals the thickness between pedestal and the right panel; Hollow out the position in the stage casing of quick detach post and be provided with a female screw circular hole, in female screw circular hole female screw thread is arranged, the line of centers of this mother's screw circular hole intersects with the axial line of vertical direction and quick detach axis of a cylinder, and female screw circular hole front portion is provided with the quick detach axle of a public screw, and is locked with a nut; One end of quick detach axle is connected to an eccentric shaft with T shape, eccentric shaft by an eccentric shaft crank around, the eccentric shaft crank is close to a small cylindrical plasticity pad coaxial with the quick detach axle.