CN201587435U - Perambulator - Google Patents
Perambulator Download PDFInfo
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- CN201587435U CN201587435U CN2009202680837U CN200920268083U CN201587435U CN 201587435 U CN201587435 U CN 201587435U CN 2009202680837 U CN2009202680837 U CN 2009202680837U CN 200920268083 U CN200920268083 U CN 200920268083U CN 201587435 U CN201587435 U CN 201587435U
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- 230000003042 antagnostic effect Effects 0.000 description 1
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Abstract
The utility model relates to a perambulator which comprises a trolley frame with an unfolding state and a folding state; the trolley frame comprises a side bracket which comprises a front wheel bracket, a rear wheel bracket and bottom rods; a wheel component comprises front wheels and rear wheels; when the trolley frame is in the unfolding state, the wheel component has a first working position and a second working position; when the wheel component is positioned at the first working position, the trolley frame is supported by the front wheels and the rear wheels; when the wheel component is positioned at the second working position, the bottom rods take on arch shape by hogging downwards, and the trolley frame is supported by the bottom rods; the bottom rods at all the sides are respectively formed by a plurality of sections of rod pieces, and the two adjacent rod pieces are connected with each other in a rotating way; when the trolley frame is converted into the folding state, the lower end part of the front wheel bracket is close to the lower end part of the rear wheel bracket; the bottom rod at each side is at least provided with a node which is close to at least one node on the bottom rod at the opposite side; and the perambulator is set to be of a folding structure by the bottom rods, so that the trolley frame can be folded front and back, the folded trolley frame has small height change, and perambulator can be conveniently carried by the user.
Description
Technical field
The utility model relates to a kind of children trolley, particularly a kind of folding children's barrow.
Background technology
The patent No. is to disclose the foldable chassis on the perambulator in the Chinese patent of ZL92215144.X, as shown in figure 13, the bottom of the side stand of this vehicle frame is provided with downward arched arc bottom bar, the front-wheel of vehicle frame bottom and trailing wheel can be in the above-below direction upsets of this bottom bar, when front-wheel and trailing wheel were turned to the top of bottom bar, bottom bar replaced front-wheel and trailing wheel to support whole vehicle frame, and because downward arched arc during bottom bar, vehicle frame can be realized rocking back and forth, and uses as " rocking chair ".And if front-wheel and trailing wheel be during as the support of whole vehicle frame, vehicle frame just can be used as the common go-cart usefulness that moves on the ground, and promptly this go-cart has two kinds of purposes.And vehicle frame itself is still folding, and the time spent is not collapsible.ZL89202653.7 then discloses front-wheel and the resupinate mechanism of trailing wheel.
Though this above-mentioned go-cart also can realize folding, but after the user is out of doors with this go-cart vehicle frame folding, this car can't pushed away together or walking in tow, summing up reason is because above-mentioned this go-cart is folding along above-below direction when folding, the height of the whole go-cart vehicle frame in folding back becomes very low, and the height of user when standing can't get at the push rod in the go-cart at all.And this go-cart of carrying after folding must carry, and the gas of requiring great effort makes troubles for user's use very much.
The utility model content
At the problems referred to above, the purpose of this utility model provides a kind of can pushing away by means of the rolling of wheel in folding back or the car load children trolley of walking on the ground in tow.
In order to achieve the above object, the utility model adopts following technical scheme: a kind of children trolley, comprise go-cart vehicle frame, wheel assembly, be arranged on the lockout mechanism on the described go-cart vehicle frame with lock-out state and released state with open mode and folded state, when described lockout mechanism is in the lock state, described go-cart vehicle frame is locked to open mode, when described lockout mechanism was in released state, described go-cart vehicle frame was changed between open mode and folded state;
Described go-cart vehicle frame comprises the side stand that lays respectively at and arranged on left and right sides, be used to connect the described side stand of both sides tranverse connecting rod, be arranged between the side stand of both sides and be used to the push rod that supports children's seat mount and be positioned at described seat mount rear side;
The described side stand of every side includes front-wheel support, rear wheel support and bottom bar, and the front portion of described bottom bar is connected with the bottom of described front-wheel support, and the rear portion of described bottom bar is connected with the bottom of described rear wheel support;
Described wheel assembly comprises the front component of the bottom bar front portion that is positioned at every side and is positioned at the wheel assembly at the bottom bar rear portion of every side; Described front component includes front-wheel, and described wheel assembly includes trailing wheel;
Be under the open mode at described go-cart vehicle frame, described wheel assembly has first control position and second control position; When described wheel assembly is positioned at first control position, it is the below bottom that is positioned at described bottom bar that described front-wheel has part at least, it is the below bottom that is positioned at described bottom bar that described trailing wheel has part at least, and described go-cart vehicle frame is supported by described front-wheel and trailing wheel; When described wheel assembly was in second control position, described front-wheel and trailing wheel all were positioned at the top bottom of described bottom bar, and described bottom bar is downward arched arc, and described go-cart vehicle frame is supported by described bottom bar; Described wheel assembly or bottom bar are provided with the Lock Part that is used for wheel assembly is locked in first control position;
The described bottom bar of each side constitutes by the multistage rod member, in the bottom bar of homonymy between the adjacent two sections rod member by turning cylinder connections that rotate, the place's of being rotationally connected formation node of adjacent two sections described rod members, described bottom bar has expanded position and folding position;
When described go-cart vehicle frame was in open mode and described wheel assembly and is in second control position, described bottom bar was in expanded position, and described bottom bar is downward arched arc;
When described go-cart vehicle frame from open mode when folded state is changed, the bottom of described front-wheel support and the bottom of rear wheel support are drawn close mutually, described bottom bar is changed to the folding position from expanded position, have at least at least one node on the described bottom bar of a node and offside to draw close mutually on the bottom bar of every side, when described go-cart vehicle frame is in folded state, the front-wheel of described both sides bottom with the trailing wheel of both sides bottom in, be the below bottom that is positioned at described go-cart vehicle frame bottom of the trailing wheel of the front-wheel of both sides or both sides at least.
Described bottom bar has four sections rod members, be followed successively by first section rod member, second section rod member, the 3rd section rod member, the 4th section rod member backward in the past, the front portion of described first section rod member is connected with the bottom of described front-wheel support, the rear portion of described the 4th section rod member is connected with the bottom of described rear wheel support, when described go-cart vehicle frame was in open mode and described wheel assembly and is in second control position, described first section rod member, second section rod member, the 3rd section rod member were connected successively with the 4th section rod member and form whole arched arc downwards; When described go-cart vehicle frame was in folded state, the node between second section rod member on the node between second section rod member on the bottom bar of every side and the 3rd section rod member and the bottom bar of offside and the 3rd section rod member was drawn close mutually.
The front portion of described first section rod member rotates with the bottom of described front-wheel support and is connected.
The rear portion of described the 4th section rod member rotates with the bottom of described rear wheel support and is connected.
The front portion of described first section rod member and the bottom of described front-wheel support are fixedly connected.
The rear portion of described the 4th section rod member and the bottom of described rear wheel support are fixedly connected.
When described go-cart vehicle frame is in open mode and described wheel assembly and is in second control position, described bottom bar is provided with the reinforcement that is used to strengthen this bottom bar rigidity, and this reinforcement is arranged between the two neighboring sections rod member and is used to limit rotation between these two sections rod members.
Described reinforcement is a sleeve pipe, and this sleeve pipe is enclosed within on the two neighboring sections rod member simultaneously, and when described go-cart vehicle frame was in folded state, described sleeve pipe only was enclosed within on one section rod member.
But on the sheathed rotationally described rod member of described sleeve pipe distaff part, and described sleeve pipe is set on the described rod member slidably along the length direction of described rod member, described sleeve pipe is installed on the described front component, when described wheel assembly from first control position when second control position is changed, described sleeve pipe rotates and drives described front-wheel around described rod member and moves to the top of described bottom bar.
Described bottom bar is provided with reset components, and when described bottom bar was in expanded position, described reset components provided a reset force that is tending towards to the folding position conversion for described bottom bar.
Described reset components is a connecting band, one end of this connecting band is connected to the bottom bar middle part of a side, the bottom bar middle part that the other end is connected to offside, when described go-cart vehicle frame was in open mode, described connecting band tension also was connected between the bottom bar of both sides.
When described bottom bar is in expanded position, connect between axial line and the horizontal surface of turning cylinder of adjacent two sections rod members vertical haply.
In described side stand, the top of described front-wheel support rotates with the top of described rear wheel support and is connected.
When described lockout mechanism was in the lock state, described bottom bar was locked in expanded position.
Be fixedly connected with a tranverse connecting rod between the leading section of first section rod member of described both sides, also be fixedly connected with a tranverse connecting rod between the rearward end of the 4th section rod member of described both sides.
Described tranverse connecting rod is a rigid rod.
Be in open mode at described go-cart vehicle frame, when described wheel assembly is positioned at first control position, described bottom bar also is downward arched arc.
By the as above enforcement of technical scheme, the utility model obtains following progress than prior art: by bottom bar being arranged to folding structure, make the go-cart vehicle frame realize the folding of fore-and-aft direction, the height change of folding like this pusher vehicle carriage is little, and folding back also has at least one to take turns and can make things convenient for the carrying of user's doubling poststack go-cart as the wheel of mobile go-cart vehicle frame.
Description of drawings
Accompanying drawing 2 is in open mode, the block diagram when wheel assembly is in second control position for the go-cart vehicle frame of children trolley of the present utility model;
Accompanying drawing 3 is the block diagram that the go-cart vehicle frame of children trolley of the present utility model is changed to folded state from open mode;
Accompanying drawing 4 is in the block diagram of folded state for the go-cart vehicle frame of children trolley of the present utility model;
Accompanying drawing 5 is in open mode, the front view when wheel assembly is in first control position (semi-sictional view) for the go-cart vehicle frame of children trolley of the present utility model;
Accompanying drawing 6 is in open mode, the front view when wheel assembly is in second control position (semi-sictional view) for the go-cart vehicle frame of children trolley of the present utility model;
Accompanying drawing 7 is the front view (semi-sictional view) that the go-cart vehicle frame of children trolley of the present utility model is changed to folded state from open mode;
Accompanying drawing 8 is in the front view of folded state for the go-cart vehicle frame of children trolley of the present utility model;
Accompanying drawing 9 is for being in open mode, the birds-eye view when wheel assembly is in first control position (only showing tranverse connecting rod, bottom bar and wheel assembly) for the go-cart vehicle frame of children trolley of the present utility model;
Accompanying drawing 10 for the go-cart vehicle frame of children trolley of the present utility model from open mode to folded state change, birds-eye view (only showing tranverse connecting rod, bottom bar and wheel assembly) when wheel assembly is in first control position;
Birds-eye view (only showing tranverse connecting rod, bottom bar and wheel assembly) when accompanying drawing 11 is in folded state for the go-cart vehicle frame of children trolley of the present utility model;
Accompanying drawing 12 is the exploded drawings (part) of children trolley of the present utility model;
Accompanying drawing 13 is the structural representation of the children trolley of background technology;
Wherein: 100, go-cart vehicle frame; 200, wheel assembly; 1, side stand; 11, front-wheel support; 12, rear wheel support; 121, slot; 13, bottom bar; 14, front component; 15, wheel assembly; 16, sleeve pipe; 17, connecting band; 131, first section rod member; 132, second section rod member; 133, the 3rd section rod member; 134, the 4th section rod member; 135, first turning cylinder; 136, first node; 137, second turning cylinder; 138, Section Point; 139, the 3rd turning cylinder; 1310, the 3rd node; 1311, axial line; 1312, plumb bob vertical; 1313, bottom; 141, front-wheel; 142, front-wheel joint; 151, trailing wheel; 152, trailing wheel joint; 2, tranverse connecting rod; 3, seat mount; 31, seat post; 32, back support bar; 33, side handrail; 4, push rod; 5, be rotationally connected a little.
The specific embodiment
Further set forth design concept of the present utility model below in conjunction with the embodiment shown in the accompanying drawing 1～12.
Referring to the children trolley shown in the accompanying drawing 1～8, the wheel assembly 200 that this go-cart comprises go-cart vehicle frame 100 and is positioned at go-cart vehicle frame below.
As shown in FIG., this go-cart vehicle frame 100 is folding vehicle frames, and it has open mode and folded state.Go-cart vehicle frame 100 is provided with the lockout mechanism with lock-out state and released state, when lockout mechanism is in the lock state, go-cart vehicle frame 100 is locked to open mode, and when lockout mechanism was in released state, go-cart vehicle frame 100 can be changed between open mode and folded state.
Go-cart vehicle frame 100 comprises the side stand 1 that lays respectively at and arranged on left and right sides, be used to connect the side stand 1 of both sides tranverse connecting rod 2, be arranged at the push rod 4 that being used between the side stand 1 of both sides support children's seat mount 3 and be positioned at seat mount 3 rear sides.
The side stand 1 of every side includes front-wheel support 11, rear wheel support 12 and bottom bar 13.The top of front-wheel support 11 rotates with the top of rear wheel support 12 and is connected, bottom bar 13 is folding rod member, bottom bar 13 has expanded position and folding position, it constitutes by the multistage rod member, in the bottom bar of homonymy between the adjacent two sections rod member by the turning cylinder connection that rotates, the place of being rotationally connected of adjacent two sections described rod members forms node.Bottom bar 13 is when expanded position, and integral body is downward arched arc, constitutes complete arc rod member, specifically referring to accompanying drawing 2,3.
Shown in Fig. 9,10,11,12, bottom bar 13 specifically is made up of four sections rod members, is followed successively by first section rod member 131, second section rod member 132, the 3rd section rod member 133, the 4th section rod member 134 backward in the past.The rear end of first section rod member 131 rotates by first turning cylinder 135 with the front end of second section rod member 132 and is connected, and at this formation first node 136, the rearward end of second section rod member 132 rotates by second turning cylinder 137 with the leading section of the 3rd section rod member 133 and is connected, and at this formation Section Point 138, the rearward end of the 3rd section rod member 133 rotates by the 3rd turning cylinder 139 with the front portion of the 4th section rod member 134 and is connected, and forms the 3rd node 1310 at this.When bottom bar 13 is in expanded position, first turning cylinder 135, second turning cylinder 137, the axial line of the 3rd turning cylinder 139 parallels haply, and it is vertical haply between their axial line and the horizontal surface, the meaning that this " haply " shows is that the axial line 1311 of turning cylinder has been offset certain angle [alpha] with respect to plumb bob vertical 1312 cws or conter clockwise, this angle [alpha] that departs from should be a little bit smaller for well, can be 0～30 degree, more excellent is between 0～15 degree, certainly be that the 0-5 degree is then for best as the angle [alpha] that departs from, can not produce under the situation of interference in manufacture craft and when folding, the size of angle [alpha] is drawn close to 0 degree as far as possible.
Because bottom bar 13 is folding poles, node is more, and the rigidity of pole itself is relatively poor with causing, and in order to remedy this defective, need set up the reinforcement that is used to strengthen bottom bar 131 rigidity.When the go-cart vehicle frame is in open mode and wheel assembly is in first control position and second control position, particularly during second control position, this reinforcement can be strengthened the rigidity of bottom bar 13.This reinforcement should be arranged between the two neighboring sections rod member and be used to limit rotation between these two sections rod members.Shown in Fig. 5,6,7, reinforcement is a sleeve pipe 16, and when wheel assembly 200 was in second control position, sleeve pipe 16 was enclosed within on first section rod member 131 and the second section rod member 132 simultaneously.Sleeve pipe 16 is fixedly connected with front-wheel joint 142, and for compact conformation, sleeve pipe 16 herein is wholely set with front-wheel joint 142, is dihedral between the two.But sleeve pipe 16 distaff parts are set on first section rod member 131 and the second section rod member 132 rotationally simultaneously, and sleeve pipe 16 also can slide along the length direction of rod member.When wheel assembly 200 from first control position when second control position is changed, sleeve pipe 16 at first slides backward along rod member, and then sleeve pipe 16 rotates around rod member and drives front-wheel 141 and moves to the top of bottom bar 13.If with go-cart vehicle frame 100 from open mode when folded state is changed, guarantee that sleeve pipe 16 only is enclosed within on first section rod member 131, could not influence the folding of bottom bar 13 like this.
In order to make bottom bar 13 to change rapidly to the folding position from expanded position, bottom bar 13 is provided with reset components, and when bottom bar 13 was in expanded position, reset components provided a reset force that is tending towards to the folding position conversion for bottom bar 13.Shown in Fig. 9,10, reset components is a connecting band 17 in this embodiment, this connecting band 17 has certain elasticity or the tension middle part at the bottom bar 13 of both sides, one end of connecting band 17 is connected on the bottom bar 13 of a side, the other end is connected on the bottom bar 13 of offside, when go-cart vehicle frame 100 was in open mode, connecting band 17 tensions also were connected between the bottom bar 13 of both sides.In addition, the reset components of this connecting band form can also substitute with the conventional elastomeric element of torsion spring and so on, the reset components of this kind form is arranged on the elastomeric element at node place, when bottom bar 13 is in expanded position, bottom bar 13 makes it produce the power of elastic deformation for one of reset components, this reset components apply an antagonistic force will be conversely for bottom bar 13, and this application force is exactly to make bottom bar 13 be tending towards reset force to the folding position conversion.Certainly, reset components also has other forms, does not enumerate one by one at this.
Shown in Fig. 9,10, in this embodiment, tranverse connecting rod 2 has two at least, and all be rigid rod, wherein the both ends of a tranverse connecting rod are fixedly connected on respectively on the leading section of first section rod member 131 of both sides, and two sections of another root tranverse connecting rod are fixedly connected with the rearward end of the 4th section rod member 134 of both sides respectively.
In addition, the bottom of front-wheel support 11 is connected with the front portion of first section rod member 131, and being connected herein can be adopted the captive joint mode or the mode that is rotationally connected, and the captive joint mode can be so that the structure of whole go-cart vehicle frame 100 be more firm.And the mode of being rotationally connected can still need be provided with the rigidity reinforcement that can strengthen bottom bar 13 at all node places of bottom bar 13 so that thereby front-wheel support 11 relatively rotates with bottom bar 13 and makes that folding of go-cart vehicle frame 100 is more thorough.The rear portion of the 4th section rod member 134 is connected with the bottom of rear wheel support 12, and the selection of connection mode herein can be with reference to the connection mode of the front portion of the bottom of front-wheel support 11 and bottom bar 13.Shown in Fig. 4,8, in the embodiment shown in the figures, the front portion of first section rod member 131 all adopts the captive joint mode to be connected with the rear portion of the bottom of front-wheel support 11, the 4th section rod member 134 with the bottom of rear wheel support 12.If want to adopt the mode that is rotationally connected, when being in open mode, this place that is rotationally connected should spline, so that both can not rotate at the go-cart vehicle frame.
Shown in Fig. 1 to 8, seat mount 3 comprise the seat post 31 that is positioned at the bottom, anterior and seat post 31 rear portions to the back support bar 32 that is rotationally connected, be positioned at a pair of side handrail 33 of seat post 31 tops, the front portion of side handrail 33 rotate with the upper end of front-wheel support 11 be connected, the rear portion rotates with the middle part of push rod 4 and is connected.For go-cart vehicle frame 100 is locked in open mode, just push rod 4, side handrail 33, front-wheel support 11, rear wheel support 12 these several parts need be locked mutually.In the embodiment shown in the figures, the lockout mechanism of go-cart vehicle frame 100 is arranged between the bottom and rear wheel support 12 middle parts of push rod 4.Be specially: slot 121 is set on the rear wheel support 12, and the bottom of push rod 4 slot 121 therewith is complementary.In the time of in the bottom of push rod 4 is inserted in this slot 121, go-cart vehicle frame 100 is in open mode and is locked under this state.When push rod 4 was extracted in slot 121, go-cart vehicle frame 100 can be changed to folded state from open mode.
Among this embodiment and since bottom bar 13 be support between front-wheel support 11 and the rear wheel support 12, front-wheel support 11, rear wheel support 12 are in 5 downward parts and the bottom bars 13 formation triangular structures that are rotationally connected a little from both.When the lockout mechanism of go-cart vehicle frame 100 during with the locking position between front-wheel support 11 and the rear wheel support 12, make that promptly two limits of " triangle " and the angle between this two limits can not conversion, the 3rd of " triangle " the limit is bottom bar 13 length also just can not change like this, and this moment, bottom bar 13 also was locked in expanded position by lockout mechanism.Therefore, in this embodiment, lockout mechanism need be for bottom bar 13 being locked under the expanded position and the locking member of establishing in addition, and the lockout mechanism that promptly is arranged between rear wheel support 12 and the push rod 4 also can be locked in expanded position with bottom bar 13.Bottom bar 13 is as the support component of go-cart vehicle frame 100, with the work of energy safety and stability at this moment.Certainly, if when go-cart vehicle frame 100 is in open mode, bottom bar is not in stabilized conditions, and lockout mechanism also can set up a locking member and be used to lock bottom bar 13, makes it have rigidity preferably.
Shown in Fig. 1 and 2,5 and 6, be under the open mode at go-cart vehicle frame 100, wheel assembly 200 has first control position and second control position.When go-cart vehicle frame 100 was in open mode, bottom bar 13 was downward arched arc, and whole bottom bar forms a bow that arches upward downwards.Wheel assembly 200 has first control position and second control position, when wheel assembly 200 is positioned at first control position, front-wheel 141 is positioned at 1313 the below bottom of bottom bar 131 fully, it is 1313 the below bottom that is positioned at bottom bar 13 that trailing wheel 151 has the overwhelming majority, go-cart vehicle frame 100 is supported by front-wheel 141 and trailing wheel 151, and the children trolley of this moment can be pushed away on the ground.When upwards upset and when being in second control position of wheel assembly 200, front-wheel 141 and trailing wheel 151 all are positioned at 1311 the top bottom of bottom bar 131, and go-cart vehicle frame 100 is supported by bottom bar 13, because bottom bar 13 is downward arched arc, go-cart this moment can be rocked back and forth, and uses as " rocking chair ".
When guaranteeing that children trolley shoves along on the ground, wheel assembly 200 can not change to second control position from first control position, also be provided with the Lock Part that wheel assembly 200 is locked in first control position on the wheel assembly 200, this Lock Part is divided into front-wheel Lock Part and rear wheel lock limiting-members.
The concrete structure of front-wheel Lock Part can be that embodiment is such as shown in drawings, be arranged on the front-wheel joint 142 and slot slidably, the bottom of front-wheel support 11 is inserted in this slot during locking, and when front-wheel support 11 and this slot were separated, front-wheel 141 can upwards overturn.
The concrete structure of rear wheel lock limiting-members can be that embodiment is such as shown in drawings, be arranged on the 4th section locked groove on the rod member 134, be provided with latch and on the trailing wheel joint 152 of wheel assembly 15, slide, latch is inserted in the locked groove during locking, when latch and locked groove were separated, trailing wheel 151 can upwards overturn.
Front-wheel Lock Part and rear wheel lock limiting-members are not defined as above-mentioned form, it can also be other similar structures, is that " wheel switching mechanism ", the patent No. of ZL200820032328.1 is that " the trailing wheel switching mechanism of perambulator ", the patent No. of ZL200820036774.X is disclosed structure in " the front-wheel switching mechanism of perambulator " of ZL200820038078.2 as the patent No..
Elaborate each mode of operation of the children trolley of accompanying drawing illustrated embodiment below.
The children trolley conduct can be when the common go-cart of advancing in ground, and shown in Fig. 1,5, go-cart vehicle frame 100 is in open mode, and lockout mechanism is in the lock state, and promptly the bottom of push rod 4 is inserted in the slot at rear wheel support 12 middle parts.Wheel assembly 200 is in first control position, front-wheel 141 all is positioned at 1313 the below bottom of bottom bar 13, the major part of trailing wheel 151 all is positioned at 1313 the below bottom of bottom bar 13, and whole go-cart vehicle frame 100 is supported by front-wheel 141 and trailing wheel 151, and bottom bar 13 is in stable expanded position.Front-wheel 141 is locked by the front-wheel Lock Part, and promptly the bottom of front-wheel support 11 is inserted in the slot of front-wheel joint 142, and trailing wheel 151 is locked by the rear wheel lock limiting-members, and promptly the latch on the trailing wheel joint 152 is inserted in the locked groove of the 4th rod member 134.
During children trolley conduct " rocking chair ", shown in Fig. 2,6, go-cart vehicle frame 100 still is in open mode, and lockout mechanism is in the lock state.Wheel assembly 200 is converted to second control position from first control position, concrete change procedure is: the release of front-wheel Lock Part, sleeve pipe 16 drives the length direction mutually back slip of front-wheel 141 along rod member, rotating around first section rod member 141 then, get final product (, as not having Lock Part also will be provided with to make can just not reverse the back easily parts of original position of this front-wheel 141) when turning to 1311 the top bottom that front-wheel 141 all is positioned at bottom bar 13 if it is best front-wheel 141 to be locked in this position this moment.Trailing wheel 151 is similar with the change procedure of front-wheel 141, just the trailing wheel connector 152 of trailing wheel 151 does not need to slide, upwards be turned to 1313 the top bottom that whole trailing wheel 151 is positioned at bottom bar 13 fully but directly drive trailing wheel 151, this moment, the rear wheel lock limiting-members was locked in this position with trailing wheel 151.Like this, because front-wheel 141 and trailing wheel 151 all are positioned at 1313 the top bottom of bottom bar 13, whole go-cart vehicle frame 100 will be supported by bottom bar 13.Bottom bar 13 is in stable expanded position, and bottom bar 13 integral body are downward arched arc, can rock this children trolley in front and back.
When not using children trolley, whole go-cart be changed to folded state from open mode, shown in Fig. 3,6.At first with the lockout mechanism release, extract in slot 121 bottom that is about to push rod 4.Front-wheel support 11 and rear wheel support 12 are drawn close mutually, and the Section Point 138 in the bottom bar 13 of every side is also drawn close mutually with the Section Point 138 on the bottom bar of offside, realizes that the front and back of the whole go-cart vehicle frame in back are folding this moment, shown in Fig. 4,8.Attention: in order to make the go-cart vehicle frame can move on the ground in tow folding back user, must make front-wheel 141 bottom or trailing wheel 151 bottom or they two all be positioned at bottom go-cart vehicle frame 100 bottom below, promptly have wheel to land.If the go-cart vehicle frame after the user wants to fold can stand on the ground, the below bottom that all will be positioned at go-cart vehicle frame 100 bottom of front-wheel 141 and trailing wheel 151, and also the center of folding pusher vehicle carriage 100 will be dropped between front-wheel and the trailing wheel.When present embodiment folds at go-cart vehicle frame 100, must guarantee that 16 of sleeve pipes are enclosed within on one section rod member, otherwise go-cart vehicle frame 100 can not be realized thorough folding at all, so when the go-cart vehicle frame folding, preferably wheel assembly 200 is transformed to first control position.
More than relate to " preceding ", " back ", " on ", the position reference of D score is that position with the front-wheel place is " preceding ", the position at trailing wheel place is " back ", the position, top of push rod be " on ", the position at bottom bar place is a D score.
Children trolley of the present utility model can be realized the folding of fore-and-aft direction, and the height change of the whole go-cart vehicle frame in folding back is very little, and the user still can walk on the ground by means of the very light go-cart in tow of the rolling of wheel.
The foregoing description is only for illustrating the technical conceive and the characteristics of utility model; its purpose is to allow the personage that is familiar with this technology can understand content of the present utility model and is implemented; can not limit protection domain of the present utility model with this; all equivalences of being done according to the utility model spirit change or modify, and all should be encompassed in the protection domain of utility model.
Claims (17)
1. children trolley, comprise go-cart vehicle frame, wheel assembly, be arranged on the lockout mechanism on the described go-cart vehicle frame with lock-out state and released state with open mode and folded state, when described lockout mechanism is in the lock state, described go-cart vehicle frame is locked to open mode, when described lockout mechanism was in released state, described go-cart vehicle frame was changed between open mode and folded state;
Described go-cart vehicle frame comprises the side stand that lays respectively at and arranged on left and right sides, be used to connect the described side stand of both sides tranverse connecting rod, be arranged between the side stand of both sides and be used to the push rod that supports children's seat mount and be positioned at described seat mount rear side;
The described side stand of every side includes front-wheel support, rear wheel support and bottom bar, and the front portion of described bottom bar is connected with the bottom of described front-wheel support, and the rear portion of described bottom bar is connected with the bottom of described rear wheel support;
Described wheel assembly comprises the front component of the bottom bar front portion that is positioned at every side and is positioned at the wheel assembly at the bottom bar rear portion of every side; Described front component includes front-wheel, and described wheel assembly includes trailing wheel;
Be under the open mode at described go-cart vehicle frame, described wheel assembly has first control position and second control position; When described wheel assembly is positioned at first control position, it is the below bottom that is positioned at described bottom bar that described front-wheel has part at least, it is the below bottom that is positioned at described bottom bar that described trailing wheel has part at least, and described go-cart vehicle frame is supported by described front-wheel and trailing wheel; When described wheel assembly was in second control position, described front-wheel and trailing wheel all were positioned at the top bottom of described bottom bar, and described bottom bar is downward arched arc, and described go-cart vehicle frame is supported by described bottom bar; Described wheel assembly or bottom bar are provided with the Lock Part that is used for wheel assembly is locked in first control position;
It is characterized in that:
The described bottom bar of each side constitutes by the multistage rod member, in the bottom bar of homonymy between the adjacent two sections rod member by turning cylinder connections that rotate, the place's of being rotationally connected formation node of adjacent two sections described rod members, described bottom bar has expanded position and folding position;
When described go-cart vehicle frame was in open mode and described wheel assembly and is in second control position, described bottom bar was in expanded position, and described bottom bar is downward arched arc;
When described go-cart vehicle frame from open mode when folded state is changed, the bottom of described front-wheel support and the bottom of rear wheel support are drawn close mutually, described bottom bar is changed to the folding position from expanded position, have at least at least one node on the described bottom bar of a node and offside to draw close mutually on the bottom bar of every side, when described go-cart vehicle frame is in folded state, the front-wheel of described both sides bottom with the trailing wheel of both sides bottom in, be the below bottom that is positioned at described go-cart vehicle frame bottom of the trailing wheel of the front-wheel of both sides or both sides at least.
2. children trolley according to claim 1, it is characterized in that: described bottom bar has four sections rod members, be followed successively by first section rod member backward in the past, second section rod member, the 3rd section rod member, the 4th section rod member, the front portion of described first section rod member is connected with the bottom of described front-wheel support, the rear portion of described the 4th section rod member is connected with the bottom of described rear wheel support, when described go-cart vehicle frame is in open mode, and described wheel assembly is when being in second control position, described first section rod member, second section rod member, the 3rd section rod member is connected successively with the 4th section rod member and forms whole arched arc downwards; When described go-cart vehicle frame was in folded state, the node between second section rod member on the node between second section rod member on the bottom bar of every side and the 3rd section rod member and the bottom bar of offside and the 3rd section rod member was drawn close mutually.
3. children trolley according to claim 2 is characterized in that: the front portion of described first section rod member rotates with the bottom of described front-wheel support and is connected.
4. children trolley according to claim 2 is characterized in that: the rear portion of described the 4th section rod member rotates with the bottom of described rear wheel support and is connected.
5. children trolley according to claim 2 is characterized in that: the front portion of described first section rod member and the bottom of described front-wheel support are fixedly connected.
6. children trolley according to claim 2 is characterized in that: the rear portion of described the 4th section rod member and the bottom of described rear wheel support are fixedly connected.
7. children trolley according to claim 1, it is characterized in that: when described go-cart vehicle frame is in open mode and described wheel assembly and is in second control position, described bottom bar is provided with the reinforcement that is used to strengthen this bottom bar rigidity, and this reinforcement is arranged between the two neighboring sections rod member and is used to limit rotation between these two sections rod members.
8. children trolley according to claim 7 is characterized in that: described reinforcement is a sleeve pipe, and this sleeve pipe is enclosed within on the two neighboring sections rod member simultaneously, and when described go-cart vehicle frame was in folded state, described sleeve pipe only was enclosed within on one section rod member.
9. children trolley according to claim 8, it is characterized in that: but on the sheathed rotationally described rod member of described sleeve pipe distaff part, and described sleeve pipe is set on the described rod member slidably along the length direction of described rod member, described sleeve pipe is installed on the described front component, when described wheel assembly from first control position when second control position is changed, described sleeve pipe rotates and drives described front-wheel around described rod member and moves to the top of described bottom bar.
10. children trolley according to claim 1 is characterized in that: described bottom bar is provided with reset components, and when described bottom bar was in expanded position, described reset components provided a reset force that is tending towards to the folding position conversion for described bottom bar.
11. children trolley according to claim 10, it is characterized in that: described reset components is a connecting band, one end of this connecting band is connected to the bottom bar middle part of a side, the bottom bar middle part that the other end is connected to offside, when described go-cart vehicle frame was in open mode, described connecting band tension also was connected between the bottom bar of both sides.
12. children trolley according to claim 1 is characterized in that: when described bottom bar is in expanded position, connect between axial line and the horizontal surface of turning cylinder of adjacent two sections rod members vertical haply.
13. children trolley according to claim 1 is characterized in that: in described side stand, the top of described front-wheel support rotates with the top of described rear wheel support and is connected.
14. children trolley according to claim 1 is characterized in that: when described lockout mechanism was in the lock state, described bottom bar was locked in expanded position.
15. children trolley according to claim 2 is characterized in that: be fixedly connected with a tranverse connecting rod between the leading section of first section rod member of described both sides, also be fixedly connected with a tranverse connecting rod between the rearward end of the 4th section rod member of described both sides.
16. children trolley according to claim 15 is characterized in that: described tranverse connecting rod is a rigid rod.
17. children trolley according to claim 1 is characterized in that: be in open mode at described go-cart vehicle frame, when described wheel assembly is positioned at first control position, described bottom bar also is downward arched arc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202680837U CN201587435U (en) | 2009-11-17 | 2009-11-17 | Perambulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202680837U CN201587435U (en) | 2009-11-17 | 2009-11-17 | Perambulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201587435U true CN201587435U (en) | 2010-09-22 |
Family
ID=42747200
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202680837U Expired - Lifetime CN201587435U (en) | 2009-11-17 | 2009-11-17 | Perambulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201587435U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103085850A (en) * | 2011-10-27 | 2013-05-08 | 明门(中国)幼童用品有限公司 | Stroller frame |
-
2009
- 2009-11-17 CN CN2009202680837U patent/CN201587435U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103085850A (en) * | 2011-10-27 | 2013-05-08 | 明门(中国)幼童用品有限公司 | Stroller frame |
| CN103085850B (en) * | 2011-10-27 | 2015-06-24 | 明门(中国)幼童用品有限公司 | Stroller frame |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20100922 Effective date of abandoning: 20091117 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20100922 Effective date of abandoning: 20091117 |