CN208746178U - A kind of limiting steering structure of scooter and scooter with it - Google Patents

Abstract

The utility model relates to the limiting steering structures and scooter of a kind of scooter.The limiting steering structure includes positioning tube and folding connecting structure, the positioning tube is for being fixedly attached to the chassis assembly, the lower end of the folding connecting structure is for being fixedly attached to the front fork assembly, wherein the upper end of the front fork assembly passes through the positioning tube；One of the folding connecting structure and the positioning tube are equipped with retention bead, another one is equipped with the first limiting groove circumferentially, wherein, in the assembled condition, the retention bead can move in first limiting groove, and be limited by the circumferential end of first limiting groove.The limiting steering structure of the utility model can conveniently realize the limitation to front wheel of scooter steering range in the folding situation of handlebar assembly, improve the riding safety of scooter.

Description

A kind of limiting steering structure of scooter and scooter with it

Technical field

The utility model relates to scooter technical fields, and in particular to a kind of limiting steering structure of scooter.This is practical It is novel to further relate to a kind of scooter.

Background technique

Scooter generally includes chassis assembly, handlebar assembly and front fork assembly, wherein chassis assembly is ridden for carrying The front end of person, chassis assembly have front fork mounting hole, and front fork assembly is rotatably installed in the front fork mounting hole, handlebar group Part grasps and controls direction for bicyclist, and front-wheel is installed in the lower end of front fork assembly, and upper end is connected with handlebar assembly, to follow The rotation of handlebar assembly and the direction for adjusting front-wheel.

However, the scooter of the prior art tends not to the steering range for limiting front wheel of scooter well, so that slide plate The handlebar assembly of vehicle is easy to happen immoderate steering, and steering is excessive, and scooter is easy to skew.Particularly, when handlebar assembly phase When foldable for chassis assembly, since folding connecting structure being provided therebetween, so that the limit of the steering range to front-wheel It makes more difficult.

Utility model content

Based on above-mentioned status, the main purpose of the utility model is to provide a kind of limiting steering structure of scooter, energy Enough limitations realized in a simple manner to front wheel of scooter steering range, not will receive the influence of folding connecting structure, thus Improve the riding safety of scooter.

To achieve the above object, the technical solution adopted in the utility model is as follows:

A kind of limiting steering structure of scooter, the steering model for the front fork assembly to scooter relative to chassis assembly It encloses and is limited, comprising: positioning tube and folding connecting structure, the positioning tube is for being fixedly attached to the chassis assembly, institute The lower end of folding connecting structure is stated for being fixedly attached to the front fork assembly, wherein the upper end of the front fork assembly passes through institute State positioning tube；One of the folding connecting structure and the positioning tube are equipped with retention bead, and another one was equipped with along week To the first limiting groove of extension, wherein in the assembled condition, the retention bead can transport in first limiting groove It is dynamic, and limited by the circumferential end of first limiting groove.

Preferably, first limiting groove is arranged on the upper surface of the positioning tube, and the retention bead setting exists On the lower end surface of the folding connecting structure.

Preferably, the inner hole of first limiting groove and the positioning tube penetrates through.

Preferably, the retention bead includes the limiting section and fixed part being connected with each other, and the fixed part is fixed to described The lower end surface of folding connecting structure.

Preferably, folding connecting structure described in the mode fixed value that the fixed part is connected through a screw thread.

Preferably, the limiting section is cylindrical body, and the circumferential end of first limiting groove is arcuate structure.

Preferably, the folding connecting structure includes underlying first connecting portion and the second connection being located above Portion, the first connecting portion and the second connecting portion are pivotably connected together by the first pivot, so that the folding Interconnecting piece is in folded state or non-folded state, wherein the lower end surface of the first connecting portion is arranged in the retention bead On.

Preferably, the upper surface of the positioning tube is equipped with the second limiting groove；Being provided in the first connecting portion can The closing piece to slide axially；In a folded configuration, the second connecting portion squeezes the closing piece, so that the closing piece is to downslide It is dynamic, and be embedded in second limiting groove, to prevent the first connecting portion from rotating relative to the positioning tube.

Preferably, it is provided with reset spring between the first connecting portion and the closing piece, for connecting described second The squeezing action of socket part resets the closing piece after eliminating.

Preferably, the lateral wall of the first connecting portion is equipped with axial slide, and the closing piece is sliding freely mounted on In the axial slide.

Preferably, the axial slide includes side wall and bottom wall, wherein the side wall is equipped with guide and limit slot, described The side of closing piece is equipped with guide and limit draw runner, and the guide and limit draw runner is slidably matched with the guide and limit slot.

Preferably, the bottom wall of the axial slide is equipped with first axis groove, described for accommodating the reset spring Closing piece is equipped with spring-compressed portion, and the spring-compressed portion is inserted into the first axis groove, and the reset spring is made to be pressurized Ground is located between the lower end and the spring-compressed portion of the first axis groove.

Preferably, the spring-compressed portion is to be connected through a screw thread to the column structure of the closing piece.

Preferably, the inner hole of second limiting groove and the positioning tube penetrates through.

The another object of the utility model is to provide a kind of scooter, and the steering range of front-wheel can obtain preferably Limitation, and can be also applicable in the case where handlebar assembly can fold, riding safety is high.

To realize the purpose, the technical solution adopted is as follows:

A kind of scooter, including front fork assembly and chassis assembly, the front fork assembly penetrate rotatably the vehicle frame group The front fork mounting hole of part, and further include mentioned-above limiting steering structure, wherein the positioning tube is fixedly mounted on described In front fork mounting hole, lower end phase of the upper end of the front fork assembly after the front fork mounting hole with the folding connecting structure Even.

Preferably, the side matched between the positioning tube and the front fork mounting hole by radial groove and radial protrusion Formula carries out circumferential limit.

The limiting steering structure of the utility model can conveniently realize in the folding situation of handlebar assembly to slide plate The limitation of vehicle front-wheel steer range, improves the riding safety of scooter.

Detailed description of the invention

The preferred implementation that hereinafter reference will be made to the drawings to scooter limiting steering structure according to the present utility model and scooter Mode is described.In figure:

Fig. 1 is point of the folding connecting structure and limiting steering structure according to a kind of preferred embodiment of the utility model Solve schematic diagram；

Fig. 2 is when being in folded state according to a kind of main structure of the scooter of preferred embodiment of the utility model Schematic front view；

Fig. 3 is the schematic top plan view of the scooter of Fig. 2；

Fig. 4 is the enlarged view of the folding connecting structure part in Fig. 2；

Fig. 5 is the complete section schematic diagram of Fig. 4；

Fig. 6 is in complete section schematic diagram when non-folded state for the main structure of the scooter of Fig. 2, wherein folds connection The sleeve of structure is in the second position；

Fig. 7 is the enlarged view of the folding connecting structure part in Fig. 6；

Fig. 8 is in complete section schematic diagram when non-folded state for the main structure of the scooter of Fig. 2, wherein folds connection The sleeve of structure is in first position；

Fig. 9 is the enlarged view of the folding connecting structure part in Fig. 8；

Fig. 9 A is the enlarged view of Z region in Fig. 9；

Figure 10 is the A-A cross-sectional view in Fig. 7；

Figure 11 is the B-B cross-sectional view in Fig. 7；

Figure 12 is the C-C cross-sectional view in Fig. 9；

Figure 13-15 shows the preferred structure of the first connecting portion in Fig. 1 from different angles respectively；

Figure 16-18 shows the preferred structure of the second connecting portion in Fig. 1 from different angles respectively；

Figure 19-21 shows the preferred structure of the set lever in Fig. 1 from different angles respectively；

Figure 22-24 shows the preferred structure of the closing piece in Fig. 1 from different angles respectively；

Figure 25-27 shows the preferred structure of the positioning tube in Fig. 1 from different angles respectively；

Figure 28 is the full sectional view of the preferred embodiment of the sleeve in Fig. 1.

Specific embodiment

The first aspect of the utility model provides a kind of folding connecting structure, preferred embodiment as shown in Fig. 1, Realize the conversion between folded state and non-folded state between connected two parts with can be convenient, and can be with It is easily locked in folded state and non-folded state, function can be guided and supported so as to realize in a folded configuration.

The folding connecting structure of the utility model is suitable for a variety of occasions, as long as there is folding between connected two parts Folded demand.Particularly, the folding connecting structure of the utility model be suitable for scooter, can be used for connecting handlebar assembly and Chassis assembly so as to fold handlebar assembly relative to chassis assembly, and can be mentioned by handlebar assembly in a folded configuration Take entire scooter.Therefore, the second aspect of the utility model provides a kind of scooter, and it comprises the foldings of the utility model Folded connection structure, preferred embodiment is as shown in figs. 2-12.

Referring first to Fig. 1-12, the folding connecting structure of the utility model include: first connecting portion 9, second connecting portion 2, Set lever 7 and locking member 7 '.Wherein, the first connecting portion 9 and the second connecting portion 2 can pivots by the first pivot 12 It links together with turning, so as to be pivoted relative to each other, so as in folded state (such as the first connecting portion 9 and described There are angles between second connecting portion 2) and non-folded state (such as between the first connecting portion 9 and the second connecting portion 2 At upright state, for example, both it is coaxial) between convert, the first connecting portion 9 and the second connecting portion 2 are respectively used to connect Two parts to be connected, such as the chassis assembly 100 and handlebar assembly 200 etc. of scooter.The set lever 7 is pivotly To the first connecting portion 9, the locking member 7 ' is pivotally mounted to the second connecting portion 2 for installation.In non-collapsible shape Under state, the set lever 7 can be fastened with the locking member 7 ', by the first connecting portion 9 and described second Interconnecting piece 2 is locked under non-folded state, as Figure 6-9；In a folded configuration, the set lever 7 can be with the lock Tight component 7 ' and/or the second connecting portion 2 are abutted, and the first connecting portion 9 and the second connecting portion 2 are locked In a folded configuration, as shown in Figure 2-5, so that the folding connecting structure be enable to be guided and supported in a folded configuration.

For example, first connecting portion 9 can connect chassis assembly 100, the second connection for the scooter shown in Fig. 2-12 Portion 2 then connects handlebar assembly 200 (as shown in the figure) or on the contrary.The utility model description below is to show in scheming Embodiment for, that is, 9 connecting vehicle frame component 100 of first connecting portion and second connecting portion 2 connect handlebar assembly 200 Situation.

When first connecting portion 9 and second connecting portion 2 are in folded state, handlebar assembly 200 is relative to chassis assembly 100 It folds, so that scooter can be stored and be guided and supported；When first connecting portion 9 and second connecting portion 2 are in non-folded state, handlebar Component 200 is erect relative to chassis assembly 100, so that scooter is rideable.

As it can be seen that the folding connecting structure of the utility model is due to can in a folded configuration connect first connecting portion 9 and second Socket part 2 is locked, so that folded state can be effectively kept between first connecting portion 9 and second connecting portion 2, even if there is external force Alternative one is acted on, non-folded state will not be switched to, guides and supports function under folded state to can realize.When the folding When connection structure is used for scooter, the scooter under folded state can be guided and supported conveniently by handlebar assembly 200.

The preferred structure of first connecting portion 9 as illustrated in figs. 13-15, the preferred structure of second connecting portion 2 such as Figure 16-18 institute Show, the preferred structure of set lever 7 is as shown in figs. 19-21.

Preferably, as illustrated in figs. 13-15, first connecting portion 9 is hollow member, and side wall is equipped with inside and outside perforation side wall Axial slits 901, and it is additionally provided with threaded fastening hole 902, for passing through the tight of threaded fastener (screw 17 as shown in figure 1) Gu acting on and axial slits 901 being made to become smaller, so that first connecting portion 9 is fixed on component to be connected in a manner of holding. When specifically used, first connecting portion 9 is set in component to be connected (such as front fork of scooter component shown in Fig. 5-9 300) it on, and is locked by screw 17, to hold tightly on corresponding component.First is additionally provided on the side wall of first connecting portion 9 Pivot hole 903, for installing the first pivot 12, so that first connecting portion 9 and second connecting portion 2 are pivoted connection.First Third pivot hole 904 is additionally provided on the side wall of interconnecting piece 9, for installing third pivot 8, so that set lever 7 to be pivotally mounted Onto first connecting portion 9.First pivot hole 903 is parallel with the axis of third pivot hole 904, and is separately positioned on the first company The two sides of the upside (namely end being connected with second connecting portion 2, can be described as inner end) of socket part 9.

Preferably, as shown in figs. 16-18, the second connecting portion 2 be hollow tubular element, lower side (namely with The connected end of first connecting portion 9, can be described as inner end) it is equipped with the 4th pivot hole 201, for being passed through for the first pivot 12.The The lower side of two interconnecting pieces 2 is additionally provided with the second pivot hole 203, for being pivotally mounted on locking member 7 '.4th pivot hole, 201 He The axis of second pivot hole 203 is parallel, and is separately positioned on the two sides of the lower side of second connecting portion 2.Second connection The upside (relative to the inner end, can be described as outboard end) in portion 2 is equipped with the connection pipeline section 202 that becomes smaller of outer diameter, for to The component of connection is fixedly connected, such as is connected and/or be glued by interference and achieve a fixed connection.When specifically used, second connects The connection pipeline section 202 of socket part 2 is inserted into component to be connected (such as scooter handlebar assembly 200 shown in Fig. 5-9), is realized It is fixedly connected.

Preferably, as shown in Figure 1, the locking member 7 ' includes the second pivot 5 and locking post 4,5 pivot of the second pivot Turn to be connected to the second connecting portion 2, such as its both ends is separately mounted in the second pivot hole 203, and can connect relative to second Socket part 2 pivots, and the first end (lower end in Fig. 1) of the locking post 4 is fixedly connected with (such as be threadedly coupled or weld) described in Second pivot 5, second end (upper end in Fig. 1) is free end, for being fastened with set lever 7.

Accordingly, as shown in figure 20, the set lever 7 is equipped with accommodating chamber 701.Since set lever is pivotly pacified In first connecting portion 9, therefore, under non-folded state, the set lever 7 can be towards the 7 ' pivot of locking member Turn, and in pivoting process, the second end of the locking post 4 is able to enter the accommodating chamber 701, to complete the locking hand Fastening between handle 7 and the locking member 7 ', buckling state is as shown in figures 7 and 9.Under buckling state, the of locking post 4 Between two ends and accommodating chamber 701 in the axial direction against each other, both make to be separated from each other in the axial direction, so as to first First connecting portion 9 and second connecting portion 2 are locked in non-folded state jointly by pivot 12.When scooter uses the utility model Folding connecting structure when, handlebar assembly 200 just can relative to chassis assembly 100 steadily be in upright state, so as to pacify It rides entirely.

Preferably, the second end of the locking post 4 is ball head structure, in order to complete and the fastening of accommodating chamber 701 Journey.

Preferably, the accommodating chamber 701 is socket arrangement, is realized so as to cooperate with the ball head structure of the locking post 4 More accurate cooperation.Certainly, accommodating chamber 701 can not also use socket arrangement, if can guarantee fastening process go on smoothly, And it is capable of providing necessary axial direction after fastening to recline effect.

Preferably, in the state of completing to fasten between the set lever 7 and the locking member 7 ', the locking post The axis of 4 axis and the folding connecting structure it is parallel to each other or between form acute angle, wherein the case where forming acute angle Under, the axis (namely axis of second connecting portion 2) of second end towards the folding connecting structure of the locking post 4 tilts. Above-mentioned setting is so that the fastening between set lever 7 and locking member 7 ' is not easy to loosen, to guarantee the reliable of locking effect Property.

Preferably, as shown in Figure 1, the locking member 7 ' further includes elastic biasing member 6, for being mentioned to the locking post 4 For bias force, so that the locking post 4 is deflected outward in the case where not fastening, that is, connecting its second end towards second The radial outside of socket part 2 deflects, in order to be fastened with the set lever 7.

Preferably, as shown in Figure 1, the elastic biasing member 6 is torsionspring, the torsionspring is set in described second On pivot 5, first end is fixed by the locking post 4, and second end is fixed by the second connecting portion 2.

Preferably, as shown in figs. 19-21, the set lever 7 is equipped with the first supporting part 702, first supporting part 702 settings than the accommodating chamber 701 close to 7 free end of set lever (namely be pivotally connected the opposite other end in end, in figure For upper end) position at.In a folded configuration, the set lever 7 can be pivoted towards the locking member 7 ', and In pivoting process first supporting part 702 can be supported on second pivot 5, as shown in figure 5, to prevent the folding Folded connection structure is converted to non-folded state.In situation shown in Fig. 5, for example, when by grasping handlebar assembly 200 to whole When a scooter is guided and supported, since the first supporting part 702 of set lever 7 is supported on the second pivot 5, so that handlebar assembly 2 can not pivot towards erection position, can only lift entire scooter, can then conveniently realize guiding and supporting under folded state Function.

Preferably, as shown in Fig. 5 and Figure 19, the supporting surface of first supporting part 702 is the arcwall face of indent, is being supported When on the second pivot 5, the reliability between the two for loosening, locking under guarantee folded state can be prevented well.

Preferably, as shown in figs. 19-21, the side of the set lever 7 is equipped with first boss 703, such as is arranged on a left side Two first boss 703 of right both sides.As shown in figs. 16-18, the second connecting portion 2 is equipped with second boss 204, example Such as corresponding two second boss 204.In a folded configuration, the set lever 7 can be pivoted towards the locking member 7 ', And the first boss 703 can be made against the second boss 204 in pivoting process, as shown in figure 4, to prevent the folding Folded connection structure is converted to non-folded state.In situation shown in Fig. 4, for example, when by grasping handlebar assembly 200 to whole When a scooter is guided and supported, since the first boss 703 of set lever 7 is against the second boss 204, so that handlebar assembly 2 can not pivot towards erection position, can only lift entire scooter, can then conveniently realize guiding and supporting under folded state Function.

As it can be seen that two ways (first boss 703 and second boss can be used in the folding connecting structure of the utility model 204 cooperation or the cooperation of the first supporting part 702 and the second pivot 5) any one of or two kinds realize folded state Locking.

By foregoing description as it can be seen that the folding connecting structure of the utility model either in a folded configuration or non-collapsible shape Under state, the pivoting action of set lever 7 is all relied solely on, locking can be readily achieved, operating process is time saving and energy saving, locking effect Fruit is also very reliable.When needing to unlock, it is only necessary to manually to opposite direction pivot locking handle 7.

Preferably, as shown in Figure 1, the first end face of the first connecting portion 9 (i.e. the end face of inner end is upper end in figure Face) and the second connecting portion 2 first end face (i.e. the end face of inner end is lower end surface in figure) relatively, the second boss 204 are arranged in the first end face of the second connecting portion 2 (as shown in figs. 16-18), the first end of the first connecting portion 9 Evacuation ladder 905 (as shown in Figure 14-15) is provided on face, to avoid the second boss 204, so that in non-collapsible Under state, first boss 703 and second boss 204 will not interfere with the first end face of the first connecting portion 9 and described second and connect The docking of the first end face of socket part 2.

Preferably, as previously mentioned, second connecting portion 2 is that hollow tubular element is set on tube wall as shown in figs. 16-17 There is area of knockout 205, for accommodating the set lever 7 under non-folded state.Then, when set lever 7 is in non-collapsible When closed position (i.e. latched position) under state, set lever 7 can be integrally hidden in area of knockout 205, i.e., beautiful Safety again, can effectively prevent 7 accidental release of set lever.

Preferably, as shown in figs. 16-17, in the area of knockout 205, for accommodating 7 free end of set lever Hollowing out for position becomes large-sized, to form the operating space for operating the set lever 7.

Preferably, as shown in Figure 1, being provided with the closing piece 14 that can be slid axially in the first connecting portion 9.Such as Fig. 5 institute Show, in a folded configuration, the second connecting portion 2 squeezes the first end (being upper end in figure) of the closing piece 14, so that the lock The direction of block 14 towards the second end (in figure be lower end) of the first connecting portion 9 is slided, and makes the of the closing piece 14 Two distal process for the first connecting portion 9 second end, in a folded configuration preventing the first connecting portion 9 from rotating, Such as it can prevent first connecting portion 9 from rotating and the circumferential backstop to closing piece 14.

The above-mentioned setting for preventing first connecting portion 9 from rotating is highly beneficial for scooter.Since scooter usually wraps Front fork assembly 300 is included, front-wheel is installed in the lower end of front fork assembly 300, in order to enable handlebar assembly 200 easily to manipulate front-wheel Steering, handlebar assembly 200 and front fork assembly 300 can be connected by the folding connecting structure of the utility model, for example, first connects Socket part 9 is connected with the upper end of front fork assembly 300, and front fork assembly 300 is then rotatably mounted on the front end of chassis assembly 100, Therefore, handlebar assembly 200 can also be freely rotated relative to chassis assembly 100.In this case, when needing through handlebar group When part 200 guides and supports entire scooter, if can prevent handlebar assembly 200 from rotating relative to chassis assembly 100, it can enhance The convenience and stability guided and supported.

Specifically, corresponding limiting groove can be set on the component below first connecting portion 9, make the of the closing piece 14 Two ends are embedded in the limiting groove, to conveniently realize the circumferential backstop to closing piece 14.

Preferably, as shown in Figure 1, the folding connecting structure of the utility model further includes positioning tube 16, it is located at first and connects The lower section of socket part 9, and be fixedly attached on the fixed part of component to be connected (such as chassis assembly 100), the front fork group The upper end of part 300 then passes through the positioning tube 16 and is connected with first connecting portion 9, as shown in Figure 5.Wherein, as shown by figures 25-26, The upper surface of the positioning tube 16 is equipped with the second limiting groove 161, and in a folded configuration, the second connecting portion 2 squeezes institute Closing piece 14 is stated, so that 14 slide downward of the closing piece, and be embedded in second limiting groove 161 as shown in figure 5, so as to anti- Only the first connecting portion 9 is rotated relative to the positioning tube 16.

Preferably, as shown in Figure 1 and Figure 5, reset spring is provided between the first connecting portion 9 and the closing piece 14 15, for resetting the closing piece 14 after the elimination of the squeezing action of the second connecting portion 2.That is, when folding connection knot When structure is converted to non-folded state, handlebar assembly 200 is pivoted to erection position, at this point, scooter should be able to normally travel, therefore Rotation limitation should not be carried out to handlebar assembly 200 again.Due to the effect of reset spring 15, closing piece 14 can be in second connecting portion 2 Squeezing action eliminate after automatically reset, the second limiting groove 161 is left, to restore the rotating function of first connecting portion 9.

Preferably, as shown in figure 13, the lateral wall of the first connecting portion 9 is equipped with axial slide 906, the closing piece 14 It is sliding freely mounted in the axial slide 906 (with reference to Fig. 1).By the way that axial slide 906 is arranged, on the one hand it is easy to implement On the other hand installation and limit to closing piece also help and realize hiding for closing piece 14, to make the shape of folding connecting structure It is beautiful.

Preferably, as shown in figure 13, the axial slide 906 includes side wall 9061 and bottom wall 9062, wherein the side wall 9061 are equipped with guide and limit slot 9063；As shown in figs. 22-24, the side of the closing piece 14 is equipped with guide and limit draw runner 141, The guide and limit draw runner 141 is slidably matched with the guide and limit slot 9063, to realize closing piece 14 in first connecting portion 9 On be slidably installed, and prevent closing piece 14 from falling off.

Preferably, as shown in figure 13, the bottom wall 9062 of the axial slide 906 is equipped with first axis groove 9064, uses In the receiving reset spring 15；As shown in Figure 1, the closing piece 14 is equipped with spring-compressed portion 13, the spring-compressed portion 13 It is inserted into the first axis groove 9064, is located at the reset spring 15 under the first axis groove 9064 with being pressurized Between end and the spring-compressed portion 13.Then, when second connecting portion 2 squeezes first end (i.e. the upper end) of closing piece 14, lock For block 14 during slide downward, spring-compressed portion 13 will further compress downwards the reset spring 15, in this way, second After the squeezing action of interconnecting piece 2 is eliminated, compressed reset spring 15 can rebound immediately, so that closing piece 14 be made to reset.

Any suitable structure can be used in the spring-compressed portion 13, such as can be welding or be integrally formed in closing piece 14 The bulge-structure of back side.However, it is preferred that the spring-compressed portion 13 is to be connected through a screw thread to the column of the closing piece 14 Structure, for this purpose, as shown in figs. 22-24, closing piece 14 is equipped with threaded hole 142, to be convenient to install in spring-compressed portion 13 To closing piece 14, so that the manufacturing process of closing piece 14 and mounting process are all simplified, and spring-compressed portion 13 then can directly be adopted It is served as with holding screw.

Preferably, as shown by figures 25-26, the inner hole of second limiting groove 161 and the positioning tube 16 penetrates through, so The process of the second limiting groove 161 can be simplified, while also can guarantee that the thickness of closing piece 14 is enough, so that it is guaranteed that it is just Degree and intensity are met the requirements.

It is readily appreciated that, positioning tube 16 is not required, thus positioning tube is also just necessarily arranged in the second limiting groove 161 On 16, but it can be set on other components below folding connecting structure, such as the corresponding positions of scooter stand component 100 It sets, as long as the component is motionless relative to chassis assembly 100, the steering in a folded configuration to handlebar assembly 200 can be realized Limit.

The cooperation of above-mentioned closing piece 14 and the second limiting groove 161 is so that handlebar assembly 200 in a folded configuration can not be opposite It is rotated in chassis assembly 100, to improve the operability and stability folded when guiding and supporting.

However, for scooter, it is past when handlebar assembly 200 is under non-folded state (namely in erection position) Toward needing to operate front-wheel steer, namely operation front fork assembly 300 in a certain range, for this purpose, the folding of the utility model connects Binding structure is matched with the positioning tube 16, a kind of limiting steering structure of scooter is yet formed, before to scooter Fork component 300 is limited relative to the steering range of chassis assembly 100.

Specifically, still as shown in Figure 1, the limiting steering structure of the utility model includes: that positioning tube 16 and aforementioned folding connect Binding structure.The positioning tube 16 for being fixedly attached to the chassis assembly 100, the lower end of the folding connecting structure (namely The lower end of first connecting portion 9) for being fixedly attached to the front fork assembly 300, referring to Fig. 5, Fig. 7 and Fig. 9.Wherein, before described The upper end for pitching component 300 passes through the positioning tube 16, and can rotate relative to the positioning tube 16.The folding connecting structure and One of described positioning tube 16 is equipped with retention bead 10, and another one is equipped with the first limiting groove 162 circumferentially (5-26 referring to fig. 2), wherein in the assembled condition, the retention bead 10 can transport in first limiting groove 162 It is dynamic, and limited by the circumferential end of first limiting groove 162, to realize to the folding connecting structure and institute State the limitation of the steering range between positioning tube 16.

In the preferred embodiment shown in the drawings of the utility model, the first limiting groove 162 is arranged in positioning tube On 16 (5-26 referring to fig. 2), the lower end of folding connecting structure is then arranged in (specifically under first connecting portion 9 in retention bead 10 End, referring to Fig. 1), and be embedded in being downwardly projected in first limiting groove 162.Circumferentially due to the first limiting groove 162 Extend certain size, therefore retention bead 10 can move in the expanded range of the first limiting groove 162, until against Until the circumferential end of first limiting groove 162.

Alternatively, lower end (the specifically first connecting portion in folding connecting structure also can be set in the first limiting groove 162 9 lower end), and retention bead 10 is then arranged on positioning tube 16, and is embedded in first limiting groove 162 with projecting upwards In, and can be moved in the expanded range of the first limiting groove 162, until against the circumferential end of the first limiting groove 162 Until.

Since the both ends of folding connecting structure are respectively fixedly connected with handlebar assembly 200 and front fork assembly 300, and positioning tube 16 It is fixedly installed to chassis assembly 100, therefore above structure is also achieved that handlebar assembly 200 and front fork assembly 300 relative to vehicle The limitation of the steering range of frame component 100, that is, realize the limitation to front-wheel steer range.

Specifically, as shown by figures 25-26, the upper surface of the positioning tube 16 is arranged in first limiting groove 162 On；As shown in Figure 1, the retention bead 10 is arranged on the lower end surface of the folding connecting structure.

Preferably, as shown by figures 25-26, the inner hole of first limiting groove 162 and the positioning tube 16 penetrates through, thus The size of retention bead 10 can be made correspondingly to become larger, to guarantee its strength and stiffness.

Preferably, the retention bead 10 may include the limiting section and fixed part being connected with each other, and the fixed part is fixed To the lower end surface of the folding connecting structure, the mode of the mode or welding that can preferably be connected through a screw thread is fixed on the first connection On the lower end surface in portion 9, the limiting section is then used to match with first limiting groove 162, executes limiting steering function. Preferably, the limiting section is cylindrical body, and the circumferential end of first limiting groove 162 is arcuate structure, so that institute Limiting section is stated when moving to the circumferential end of first limiting groove 162, the two can be contacted smoothly, and can be real Existing face contact.In the specific implementation, cylinder head bolt can be used to constitute the retention bead 10, wherein cylinder head bolt Socket cap part constitutes the limiting section, and the threaded portion of cylinder head bolt then constitutes the fixed part.

As shown in figure 27, positioning tube 16 includes connected in the axial direction major diameter section 163 and path section 164,163 He of major diameter section The internal diameter of path section 164 is identical.The upper surface of positioning tube 16 is the outer end face of the major diameter section 163, first limiting groove 162 and second limiting groove 161 be arranged on the outer end face of the major diameter section 163.Since the wall thickness of major diameter section 163 is larger, Therefore, first limiting groove 162 and second limiting groove 161 are arranged in be on the outer end face of major diameter section 163 can Capable.

When positioning tube 16 to be mounted on the chassis assembly 100 of scooter, path section 164 can be inserted into chassis assembly In 100 corresponding site (such as front fork mounting hole), and by means of the hierarchic structure between major diameter section 163 and path section 164 into Row axially position.

To realize positioning tube 16 relative to the circumferentially fixed of chassis assembly 100, the outside of the path section 164 of positioning tube 16 Wall is equipped with radial convex ribs 165, for matching with the radial groove of the corresponding site of chassis assembly 100, so that positioning Cylinder 16 can not be rotated relative to chassis assembly 100.

Preferably, it as shown in Figure 1, the folding connecting structure of the utility model further includes threaded connecting sleeve 11, is used for institute It states first connecting portion 9 and is fixed to component to be connected accordingly (such as front fork of scooter component 300 shown in Fig. 5-9).Spiral shell Line connector sleeve 11 includes external thread part and the flange part for being located at external thread part one end (being upper end in figure).Specifically, the first connection Portion 9 is held tightly by the effect of a pair of screws 17 in the outside of the upper end of front fork assembly 300, and the upper end of front fork assembly 300 Inner hole be equipped with internal screw thread, the external thread part of threaded connecting sleeve 11 is engaged and is tightened with the internal screw thread, so that the flange part It is pressed on the cascaded surface of 9 inside of first connecting portion, so that first connecting portion 9 is fixed to front fork assembly 300.

To improve the folding connecting structure of the utility model and the aesthetics and security reliability of corresponding scooter, this The folding connecting structure of utility model can also include sleeve 1, be set in the outer of first connecting portion 9 and second connecting portion 2 Side, to constitute a kind of Telescopic folding connection structure, as shown in Figure 1.

Specifically, as shown in Figure 1, the Telescopic folding connection structure of the utility model includes: first connecting portion 9, second Interconnecting piece 2, retaining mechanism and sleeve 1.Wherein, for example preceding institute of the preferred structure of the first connecting portion 9 and the second connecting portion 2 It states, the two is for example pivotably connected together by the first pivot 12.The retaining mechanism is used to connect the folding and tie Structure is locked under non-folded state, for example including set lever 7 above-mentioned and locking member 7 '.The sleeve 1 is set in described The radial outside of first connecting portion 9 and the second connecting portion 2, so as to by first connecting portion 9, second connecting portion 2 and locking Mechanism is all at least partly covered hiding, and the sleeve 1 can slide between the first position and the second position.

As described in Fig. 8-9, when the sleeve 1 slide into first position (such as by be applied to scooter for, sleeve 1 to On slide into upper limit position) when, the retaining mechanism and first pivot 12 are exposed, at this time can be to retaining mechanism It is operated, the folding connecting structure is converted to folded state；As shown in fig. 6-7, when the sleeve 1 slides into When the second position (still for being applied to scooter, sleeve 1 slides down to lower limit position), the retaining mechanism and described First pivot 12 is at least partly hidden in the sleeve 1, can not be operated at this time to retaining mechanism, so that the folding Connection structure cannot be converted to folded state.

The retaining mechanism and first pivot 12 are hidden since sleeve 1 can be covered at least partly, it also can be complete The retaining mechanism and first pivot 12 are exposed entirely, so as to be convenient for folding operation when needing to fold, not It prevents to carry out folding operation (when normal work) when needing to fold, thus both ensure that the convenience of operation, and also ensured simultaneously Safety when normal work.In normal work, because when sleeve 1 is in the second position, on the one hand, retaining mechanism can not solve Lock, on the other hand, even if locking mechanism does not work, sleeve 1 itself can also prevent first connecting portion 9 and second connecting portion 2 it Between folding movement, thus can provide double shield, it is ensured that the situation folded due to unexpected will not occur.

In the embodiment shown in Fig. 6-7, not only retaining mechanism and the first pivot 12 are hidden in completely in sleeve 1, the Also almost all is hidden in sleeve 1 for one interconnecting piece 9 and second connecting portion 2, so that these components hardly may be used from outside See, the complete appearance of entire folding connecting structure can be then improved by sleeve 1.

Obviously, situation shown in Fig. 6-7 is the normal operating conditions of the folding connecting structure of the utility model.For example, working as When it is applied to scooter, sleeve 1 can be arranged to have with the handlebar assembly 200 of its upper and lower two sides, chassis assembly 100 Identical color and/or decorative pattern, to guarantee the aesthetics of scooter.

Preferably, when the sleeve 1 is in the first position, as Figure 8-9, the first end of the sleeve 1 (being lower end in figure) close to described second connecting portion 2 outboard end (being upper end in figure), so as to by the complete of first connecting portion 9 Portion, the whole of retaining mechanism, the whole of the first pivot 12 and the most of second connecting portion 2 are exposed, in order to It is unlocked operation；When the sleeve 1 is in the second position, as shown in fig. 6-7, the first end of the sleeve 1 is (in figure For lower end) close to the outboard end (being lower end in figure) of the first connecting portion 9, the second end (being upper end in figure) of the sleeve 1 Close to the outboard end of the second connecting portion 2, so as to by the whole of the overwhelming majority of first connecting portion 9, retaining mechanism, first The whole of pivot 12 and the overwhelming majority of second connecting portion 2 are covered and are hidden, and realize that maltilevel security guarantee and raising appearance are complete Whole property.

Preferably, position restrainer is provided between the first connecting portion 9 and/or the second connecting portion 2 and the sleeve 1 Structure, for the sleeve 1 to be maintained in first position and/or the second position.By the way that corresponding position-limit mechanism is arranged, can make Sleeve 1 can be stably maintained in first position, can be also stably maintained in the second position, unless there are external force (as grasped The power that author applies) it is allowed to slide to another location, it thus can prevent the unexpected situations such as maloperation.

Preferably, as shown in Figure 1, the position-limit mechanism includes being arranged in the second connecting portion 2 close to outboard end (figure In be upper end) position at first group of ripple pearl screw 3, ripple pearl of first group of ripple pearl screw 3 for example including 4 or other quantity Screw；As shown in figure 28, first groove is provided at the position of first end (being lower end in figure) on 1 inner sidewall of sleeve 101, first group of ripple pearl screw 3 and the first groove 101 cooperate, and the sleeve 1 is maintained in first position, such as scheme Shown in 8-9 and Figure 12.

Preferably, as shown in figure 28, it is set at the position of second end (being upper end in figure) on 1 inner sidewall of sleeve It is equipped with second groove 102, first group of ripple pearl screw 3 and the second groove 102 cooperate, and the sleeve 1 is maintained at the In two positions, as shown in Fig. 6-7 and Figure 10.

Preferably, as shown in Figure 1, the position-limit mechanism can also include being arranged in the first connecting portion 9 close to outer Second group of ripple pearl screw 18 at the position of side (in figure be lower end), second group of ripple pearl screw 18 for example including 4 or other The ripple pearl screw of quantity, second group of ripple pearl screw 18 and the first groove 101 cooperate, and the sleeve 1 is maintained at the In two positions, as shown in Fig. 6-7 and Figure 11.That is, up and down the two of sleeve 1 can be made by second group of ripple pearl screw 18 of setting The groove at end is matched with corresponding ripple pearl screw, to more firmly keep sleeve 1 in the second position.Due to set Cylinder 1 is in the normal operating conditions (that is, non-folded state) that the second position is folding connecting structure, therefore, to the two of sleeve 1 End carries out limit and remains able to be further ensured that security reliability.

In actual use, if necessary to be folded to folding connecting structure, such as to the handlebar assembly 200 of scooter It is folded, then sleeve 1 first can be slid into first position, and matched by first group of ripple pearl screw 3 and first groove 101 It closes, sleeve 1 is maintained in first position, at this point, can be unlocked by operating set lever 7, so that the second connection Portion 2 can pivot relative to first connecting portion 9 and realize and fold, and can be locked second connecting portion 2 by set lever 7 In a folded configuration.

, whereas if need to restore folding connecting structure to non-folded state, such as by the handlebar assembly 200 of scooter It holds up to ride, then can first operate locking of the releasing of set lever 7 to folded state, it then can be by handlebar assembly 200 hold up, and make first connecting portion 9 and second connecting portion 2 in coaxially connected state, and are locked by set lever 7, later Sleeve 1 can be slid into the second position, and by first group of ripple pearl screw 3 and second group of ripple pearl screw 18 respectively and on sleeve 1 The groove at lower both ends matches, and sleeve 1 is kept in the second position.

Preferably, as shown in figure 28, the position-limit mechanism further includes setting 1 first end of sleeve (being lower end in figure) Inner convex platform 103, inner convex platform 103 is located at the downside (i.e. close to the side of first end) of first groove 101, first group of ripple pearl The side wall of screw 3 protrudes from the lateral surface of the second connecting portion 2, for carrying out limit stops to the inner convex platform 103, such as schemes Shown in 9A.That is, when the sleeve 1 from bottom to up by sliding into first position when, referring to Fig. 9 and Fig. 9 A, due to first group The side wall of ripple pearl screw 3 is higher than the lateral surface of second connecting portion 2, so that first group of ripple pearl screw 3 is engaged with first groove 101 Afterwards, inner convex platform 103 can not continue to pass beyond first group of ripple pearl screw 3, also just can not be with so that sleeve 1 can not continue to slide up Second connecting portion 2 separates, and thereby ensures that the inseparability between sleeve 1 and folding connecting structure.

In the specific implementation, the installation of second group of ripple pearl screw 18 should ensure that its side wall will not limit inner convex platform 103 Position backstop, so that inner convex platform 103 can smoothly cross second group of ripple pearl screw 18.

In assembly, sleeve 1 can be set with since the outboard end (lower end) of first connecting portion 9, and can be first Interconnecting piece 9 is set with before being fixed to component to be connected (such as front fork assembly 300).It is when needing that first connecting portion 9 is fixed When to component wait connect, then sleeve 1 can be slided into first position, so that first connecting portion 9 be completely exposed, and make second Interconnecting piece 2 is in folding position relative to first connecting portion 9, screw 17 and threaded connecting sleeve 11 can be utilized first at this time Interconnecting piece 9 is fixed on component to be connected (such as front fork assembly 300).Later, folding connecting structure is converted to non-collapsible shape State, and sleeve 1 is slided into the second position, so that the connection pipeline section 202 of exposure 2 outboard end of second connecting portion, at this time can Second connecting portion 2 is fixed on component to be connected (such as handlebar assembly 200) by the connection pipeline section 202.So far, it just completes Assembly between the folding connecting structure of the utility model and component to be connected.

On the basis of above-mentioned work, the another aspect of the utility model additionally provides a kind of scooter, such as Fig. 2-9 institute Show comprising chassis assembly 100, handlebar assembly 200 and front fork assembly 300, and further include being provided before the utility model Folding connecting structure and limiting steering structure.

Specifically, the both ends (namely first connecting portion 9 and second connecting portion 2) of the folding connecting structure of the utility model can To be separately connected one of the chassis assembly 100 and described handlebar assembly 200, to conveniently realize the folding of handlebar assembly 200 Azido functional, and can be guided and supported entire scooter by handlebar assembly 200 in a folded configuration, it is easy to carry.

Preferably, the first connecting portion 9 connects the chassis assembly 100, and the second connecting portion 2 connects the handlebar Component 200, that is, first connecting portion 9 is located below, second connecting portion 2 is located above, in a folded configuration, set lever 7 from Lower section supports the second pivot 5, so that the locking for folded state is more solid and reliable.

Preferably, when the folding connecting structure of the utility model includes sleeve 1, on the handlebar assembly 200 for The outer diameter at the position that the second connecting portion 2 connects is less than or equal to the maximum outside diameter of the second connecting portion 2, so that Sleeve 1 can successfully slide on handlebar assembly 200 in upward sliding, as Figure 8-9, so as to farthest Exposure second connecting portion 2, to provide enough operating spaces to retaining mechanism.

Preferably, as shown in fig. 6-7, the position for being used to connect with the first connecting portion 9 on the chassis assembly 100 Outer diameter is equal to the outer diameter of the sleeve 1, so that sleeve 1 can be corresponding on chassis assembly 100 when being in the second position Position forms coherent outer surface, improves aesthetics.

In addition, the front fork assembly 300 is rotationally for the control that realization handlebar assembly 200 turns to front wheel of scooter Front fork mounting hole on the chassis assembly 100, and connected by limiting steering structure provided before the utility model Connect the handlebar assembly 200, wherein the positioning tube 16 is fixedly mounted in the front fork mounting hole, the front fork assembly 300 Upper end pass through lower end (namely lower end of first connecting portion 9) phase with the folding connecting structure after the front fork mounting hole Even.Then, by rotation handlebar assembly 200, it can control the steering of front wheel of scooter, meanwhile, pass through limiting steering structure Limitation is turned to, and the steering range of front-wheel can be limited in predetermined range.

Preferably, matched between the positioning tube 16 and the front fork mounting hole by radial convex ribs 165 and radial groove The mode of conjunction carries out circumferential limit.

Those skilled in the art will readily recognize that above-mentioned each preferred embodiment can be free under the premise of not conflicting Ground combination, superposition.

It should be appreciated that above-mentioned embodiment is merely exemplary, and not restrictive, without departing from the utility model In the case where basic principle, those skilled in the art can be for the various apparent or equivalent modification that above-mentioned details is made Or replacement, it is all included in the scope of the claims of the utility model.

Claims (16)

1. a kind of limiting steering structure of scooter, the steering range for the front fork assembly to scooter relative to chassis assembly It is limited characterized by comprising positioning tube and folding connecting structure, the positioning tube is for being fixedly attached to the vehicle Frame component, the lower end of the folding connecting structure is for being fixedly attached to the front fork assembly, wherein the front fork assembly it is upper End is across the positioning tube；One of the folding connecting structure and the positioning tube are equipped with retention bead, in another one Equipped with the first limiting groove circumferentially, wherein in the assembled condition, the retention bead can be in first limit It moves in groove, and is limited by the circumferential end of first limiting groove.

2. limiting steering structure according to claim 1, which is characterized in that first limiting groove is arranged described fixed On the upper surface of position cylinder, the retention bead is arranged on the lower end surface of the folding connecting structure.

3. limiting steering structure according to claim 2, which is characterized in that first limiting groove and the positioning tube Inner hole perforation.

4. limiting steering structure according to claim 2, which is characterized in that the retention bead includes the limit being connected with each other Position portion and fixed part, the fixed part are fixed to the lower end surface of the folding connecting structure.

5. limiting steering structure according to claim 4, which is characterized in that the mode that the fixed part is connected through a screw thread Folding connecting structure described in fixed value.

6. limiting steering structure according to claim 4, which is characterized in that the limiting section be cylindrical body, described first The circumferential end of limiting groove is arcuate structure.

7. the limiting steering structure according to one of claim 2-6, which is characterized in that the folding connecting structure includes position First connecting portion in lower section and the second connecting portion that is located above, the first connecting portion and the second connecting portion pass through the One pivot is pivotably connected together, so that the folded connection is in folded state or non-folded state, wherein described Retention bead is arranged on the lower end surface of the first connecting portion.

8. limiting steering structure according to claim 7, which is characterized in that the upper surface of the positioning tube is equipped with second Limiting groove；The closing piece that can be slid axially is provided in the first connecting portion；In a folded configuration, the second connecting portion The closing piece is squeezed, so that the closing piece slide downward, and be embedded in second limiting groove, to prevent first connection Portion is rotated relative to the positioning tube.

9. limiting steering structure according to claim 8, which is characterized in that between the first connecting portion and the closing piece It is provided with reset spring, for resetting the closing piece after the elimination of the squeezing action of the second connecting portion.

10. limiting steering structure according to claim 9, which is characterized in that set on the lateral wall of the first connecting portion There is axial slide, the closing piece is sliding freely mounted in the axial slide.

11. limiting steering structure according to claim 10, which is characterized in that the axial slide includes side wall and bottom Wall, wherein the side wall is equipped with guide and limit slot, and the side of the closing piece is equipped with guide and limit draw runner, the guide and limit Draw runner is slidably matched with the guide and limit slot.

12. limiting steering structure according to claim 11, which is characterized in that the bottom wall of the axial slide is equipped with the One axial groove, for accommodating the reset spring, the closing piece is equipped with spring-compressed portion, and the spring-compressed portion is inserted into institute It states in first axis groove, with making the reset spring compression lower end positioned at the first axis groove and the spring pressure Between contracting portion.

13. limiting steering structure according to claim 12, which is characterized in that the spring-compressed portion is to be connected by screw thread It is connected to the column structure of the closing piece.

14. the limiting steering structure according to one of claim 8-13, which is characterized in that second limiting groove and institute State the inner hole perforation of positioning tube.

15. a kind of scooter, including front fork assembly and chassis assembly, the front fork assembly penetrate rotatably the chassis assembly Front fork mounting hole, which is characterized in that further include limiting steering structure described in one of -14 according to claim 1, wherein institute Positioning tube is stated to be fixedly mounted in the front fork mounting hole, the upper end of the front fork assembly pass through after the front fork mounting hole with institute The lower end for stating folding connecting structure is connected.

16. scooter according to claim 15, which is characterized in that lead between the positioning tube and the front fork mounting hole It crosses the mode that radial groove and radial protrusion match and carries out circumferential limit.