CN203996373U - Children trolley - Google Patents
Children trolley Download PDFInfo
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- CN203996373U CN203996373U CN201420403964.6U CN201420403964U CN203996373U CN 203996373 U CN203996373 U CN 203996373U CN 201420403964 U CN201420403964 U CN 201420403964U CN 203996373 U CN203996373 U CN 203996373U
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- frame
- wheel
- assembly
- wheel support
- control piece
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- 230000007246 mechanism Effects 0.000 claims abstract description 20
- 238000009434 installation Methods 0.000 claims description 14
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
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Abstract
A kind of children trolley, comprise wheel support, be positioned at revolver assembly and the right wheel assembly of the wheel support left and right sides, also comprise inside left's frame and inside right forward's frame that only can be slidably arranged in along left and right directions the left and right sides portion of wheel support, revolver assembly is arranged at the outer end of inside left's frame, right wheel assembly is arranged at the outer end of inside right forward's frame, the inner end locking phase that is provided with inner end for controlling inside left's frame and inside right forward's frame on wheel support near or relative away from control mechanism.Move by control mechanism control inside left's frame and inside right forward's frame, thereby regulate the width between revolver assembly and revolver assembly, in normal use, width adjusting between revolver assembly and right wheel assembly is extremely wider, be to be placed in away from state between revolver assembly and right wheel assembly, make go-cart there is better stability; In the time need to crossing the narrower door such as elevator, the width adjusting between revolver assembly and right wheel assembly, to narrower, is placed between revolver assembly and right wheel assembly near state, conveniently pass through, simple and practical.
Description
Technical field
the utility model relates to a kind of children trolley.
Background technology
a kind of children trolley of the prior art, comprises wheel support, is positioned at revolver assembly and the right wheel assembly of the described wheel support left and right sides.For go-cart, the stability of the wider go-cart of vehicle body is better, but go-cart less body width in the time crossing some narrower doors is more favourable.And in prior art, the width between revolver assembly and right wheel assembly is fixed.
Utility model content
the technical problems to be solved in the utility model is to provide a kind of children trolley.
in order to solve the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of children trolley, comprise wheel support, be positioned at revolver assembly and the right wheel assembly of the described wheel support left and right sides, also comprise inside left's frame and inside right forward's frame that only can be slidably arranged in along left and right directions the left and right sides portion of described wheel support, described revolver assembly is arranged at the outer end of described inside left's frame, described right wheel assembly is arranged at the outer end of described inside right forward's frame, the inner end locking phase that is provided with inner end for controlling described inside left's frame and described inside right forward's frame on described wheel support to close or relative away from control mechanism.
in some embodiments, described control mechanism comprises the right connecting rod that left connecting rod that the control piece that only can be connected to rotationally on described wheel support, an end and described control piece be rotationally connected by the first axle, an end and described control piece are rotationally connected by the second axle, the inner end of the other end of described left connecting rod and described inside left's frame is rotationally connected, the inner end of the other end of described right connecting rod and described inside right forward's frame is rotationally connected, and between described control piece and described wheel support, is provided with state maintaining body.
in some further embodiment, the first described axle and the second described axle are arranged at the both sides of the horizontal surface at the center of rotation place of described control piece one on the other, and the center of rotation of the first described axle axle center, described control piece and described the second axle axle center are on same straight line.
further, when the inner end of the inner end of described inside left's frame and described inside right forward's frame is under away from state, between described straight line and described horizontal surface, form angle a, described angle a is positioned at the upper semisection of described straight line and horizontal surface intersection, form in the counterclockwise direction from described horizontal surface, the angle of described angle a is 30 degree to 80 degree.
in some another further embodiment, described control piece comprise rotating disk, with the pedal of trampling for operator that described rotating disk is fixedly connected, on the rotating disk described in one end portion of an end of described left connecting rod and described right connecting rod is connected to.
in some another further embodiment, described state maintaining body comprises the locating dowel pin on the control piece described in being slidably arranged in along the rotational axis line that is parallel to described control piece, be opened in the positioning groove inserting for described locating dowel pin on described wheel support, the locating dowel pin elastic component that the bottom land of the locating dowel pin described in making between the control piece described in being arranged at and described locating dowel pin and described positioning groove is conflicted, the center of rotation of the length direction of described positioning groove and the control piece taking described as the circumferencial direction in the center of circle consistent, the both ends of described positioning groove bottom land are deeper than pars intermedia, when the inner end of the inner end of described inside left's frame and described inside right forward's frame in away from state with near under state, described locating dowel pin is just in time positioned at the both ends of described positioning groove bottom land.
in some embodiments, the sliding trace of the sliding trace of described inside left's frame, described inside right forward's frame parallels with horizontal surface respectively.
in some embodiments, described revolver assembly comprises left wheel, the outer end of described left wheel and described inside left's frame is rotationally connected by revolver axle, and be provided with left braking mechanism between described left wheel and described inside left's frame, described right wheel assembly comprises right wheel, the outer end of described right wheel and described inside right forward's frame is rotationally connected by right wheel shaft, between described right wheel and described inside right forward's frame, is provided with right braking mechanism.
in some embodiments, described wheel support comprises the installation portion in a tubular form that length is extended along left and right directions, and described inside left's frame and described inside right forward's frame slide respectively and be inserted in the tube chamber of described installation portion.
in some embodiments, described wheel support is the rear wheel support that is positioned at children trolley rear portion.
scope of the present utility model, is not limited to the technical scheme that the particular combinations of above-mentioned technical characterictic forms, and also should contain by above-mentioned technical characterictic or its equivalent feature and carry out combination in any and other technical scheme of forming simultaneously.The technical characterictic that such as, in above-mentioned feature and the application disclosed (but being not limited to) has a similar functions is replaced mutually and technical scheme of forming etc.
because technique scheme is used, the utility model compared with prior art has following advantages: move by control mechanism control inside left's frame and inside right forward's frame, thereby regulate the width between revolver assembly and revolver assembly, in normal use, width adjusting between revolver assembly and right wheel assembly is extremely wider, be to be placed in away from state between revolver assembly and right wheel assembly, make go-cart there is better stability; In the time need to crossing the narrower door such as elevator, the width adjusting between revolver assembly and right wheel assembly, to narrower, is placed between revolver assembly and right wheel assembly near state, conveniently pass through, simple and practical.
Brief description of the drawings
back view that accompanying drawing 1 is go-cart vehicle frame (between revolver assembly and right wheel assembly in away from state);
back view that accompanying drawing 2 is go-cart vehicle frame (between revolver assembly and right wheel assembly in close state);
accompanying drawing 3 is connection diagram between inside left's frame, inside right forward's frame and wheel support (installation portion section, the width between revolver assembly and right wheel assembly is in control process);
accompanying drawing 4 is connection diagram between inside left's frame, inside right forward's frame and control mechanism (between revolver assembly and right wheel assembly in away from state);
accompanying drawing 5 is connection diagram between inside left's frame, inside right forward's frame and control mechanism (between revolver assembly and right wheel assembly near state);
accompanying drawing 6 is the decomposing schematic representation of state maintaining body;
wherein: 1, wheel support; 11, installation portion; 2, inside left's frame; 3, inside right forward's frame; 40, control piece; 401, pedal; 402, rotating disk; 41, left connecting rod; 42, right connecting rod; 43, the first axle; 44, the second axle; 45, control piece axle; 5, revolver assembly; 6, right wheel assembly; 71, locating dowel pin; 72, locating dowel pin elastic component; 73, positioning groove.
Detailed description of the invention
a kind of children trolley, comprises go-cart vehicle frame, is arranged at multiple wheel assemblies of go-cart vehicle frame bottom.And go-cart vehicle frame generally includes the rear wheel support that is positioned at anterior front-wheel support and be positioned at rear portion, the left and right sides portion of the bottom of the front-wheel support wherein having is respectively arranged with wheel assembly, and some front-wheel supports are only that the midway location below of its underpart arranges a wheel assembly; And the left and right sides portion of all rear wheel supports is all provided with wheel assembly conventionally.In the utility model, be taking rear wheel support as example, be respectively arranged with the front-wheel support of wheel assembly but following scheme is equally applicable to the left and right sides.
below illustrate embodiment of the present utility model:
as shown in the drawings, children trolley, comprise wheel support 1, revolver assembly 5 and right wheel assembly 6, also comprise inside left's frame 2 and inside right forward's frame 3 that only can be slidably arranged in along left and right directions the left and right sides portion of wheel support 1, revolver assembly 5 is arranged at the outer end of inside left's frame 2, and right wheel assembly 6 is arranged at the outer end of inside right forward's frame 3, and wheel support 1 comprises the installation portion in a tubular form 11 that length is extended along left and right directions, inside left's frame 2 slides and is inserted in the tube chamber of installation portion 11 with inside right forward's frame 3, and outward appearance is more succinct.
wherein inside left's frame 2 is to be only slidably arranged on wheel support 1 along left and right directions with inside right forward's frame 3, refer to inside left's frame 2 and inside right forward's frame 3 and wheel support 1 between can only slide and can not rotate, as can be that the tube chamber cross-sectional plane of installation portion 11 is square, accordingly, inside left's frame 2 is also square with the cross-sectional plane of inside right forward's frame 3, and inside left's frame 2 and 3 slips of inside right forward's frame are inserted in the tube chamber inside of the installation portion 11 of wheel support 1.Or can be again, on inside left's frame 2 and inside right forward's frame 3, offer along its length respectively chute, and two spline projections are set in the tube chamber of installation portion 11, inside left's frame 2 and 3 slips of inside right forward's frame are inserted in the tube chamber inside of the installation portion 11 of wheel support 1, and two spline projections are inserted in corresponding chute.
the inner end locking phase that is provided with inner end for controlling inside left's frame 2 and inside right forward's frame 3 on wheel support 1 near or relative away from control mechanism.
in the present embodiment, as shown in accompanying drawing 3-5, control mechanism comprises around control piece axle 45 only can be connected to the right connecting rod 42 that left connecting rod 41, an end and control piece 40 that control piece 40, an end and control piece 40 on wheel support 1 be rotationally connected by the first axle 43 are rotationally connected by the second axle 44 rotationally, the inner end of the other end of left connecting rod 41 and inside left's frame 2 is rotationally connected, and the inner end of the other end of right connecting rod 42 and inside right forward's frame 3 is rotationally connected.Principle is to rotate around control piece axle 45 by control piece 40, thereby drives left connecting rod 41 to move around control piece axle 45 respectively with right connecting rod 42, thereby controls inside left's frame 2 and 3 displacements of inside right forward's frame of both sides.Control mechanism is except this scheme, can also there is other mode, without diagram, if control piece is along sliding and be arranged on wheel support perpendicular to left and right directions, the inner end of the inner end of inside left's frame and inside right forward's frame is provided with respectively guiding slope, the conflict that coordinates by control piece with guiding slope, both sides, synchro control inside left's frame and inside right forward's frame move.
as shown in accompanying drawing 3-5, control piece 40 comprise be positioned at installation portion 11 intraluminal rotating disk 402, be positioned at the pedal 401 that the tube chamber of installation portion 11 is outer and trample with the operator that rotating disk 402 is fixedly connected, concrete, an end of left connecting rod 41 and one end portion of right connecting rod 42 are connected on rotating disk 402.
just, as shown in accompanying drawing 4, accompanying drawing 5, the first axle 43 and the second axle 44 are arranged at the both sides of the horizontal surface at the place, axle center of control piece axle 45 one on the other, and the axle center of the first axle 43 axle center, control piece axle 45 and the second axle 44 axle center are on same straight line.When the inner end of inside left's frame 2 and the inner end of inside right forward's frame 3 are under away from state, between described straight line and described horizontal surface, form angle a, described angle a is positioned at the upper semisection of described straight line and horizontal surface intersection, form in the counterclockwise direction from described horizontal surface, the angle of angle a is 30 degree to 80 degree.
between control piece 40 and wheel support 1, be provided with state maintaining body.As shown in Figure 6, state maintaining body comprises along the axial line that is parallel to control piece axle 45 and is slidably arranged in the locating dowel pin 71 on control piece 40, be opened in the positioning groove 73 inserting for locating dowel pin 71 on wheel support 1, be arranged at the locating dowel pin elastic component 72 that between control piece 40 and locating dowel pin 71, locating dowel pin 71 and the bottom land of positioning groove 73 is conflicted, the length direction of positioning groove 73 and axle center taking control piece axle 45 as the circumferencial direction in the center of circle consistent, the both ends of positioning groove 73 bottom lands are deeper than pars intermedia, when the inner end of inside left's frame 2 and the inner end of inside right forward's frame 3 in away from state with near under state, locating dowel pin 71 is just in time positioned at the both ends of positioning groove 73 bottom lands, and keep by locating dowel pin elastic component 72, inside left's frame 2 and inside right forward's frame 3 can not be moved around.
without diagram, state maintaining body can adopt other structure equally, and as locating dowel pin 71 1 ends are rotatably connected on control piece, the other end is inserted in positioning groove.
locating dowel pin 71 can be arranged on pedal 401, equally also can be arranged on rotating disk 402.
the sliding trace of inside left's frame 2, the sliding trace of inside right forward's frame 3 parallel with horizontal surface respectively.Inside left's frame 2 and inside right forward's frame 3 are arranged at the left and right sides portion of wheel support 1 relatively symmetrically.
revolver assembly 5 comprises left wheel, the outer end of left wheel and described inside left's frame 2 is rotationally connected by revolver axle, and be provided with left braking mechanism between left wheel and inside left's frame 2, right wheel assembly 6 comprises right wheel, the outer end of right wheel and inside right forward's frame 3 is rotationally connected by right wheel shaft, between right wheel and inside right forward's frame 3, is provided with right braking mechanism.Left braking mechanism and right braking mechanism, this is very common prior art in children trolley, is not described in detail in this.
operation instructions: in the process that children trolley is carried out, revolver assembly 5 and right wheel assembly 6 need to be placed near state, only wheel support 1 need to be lifted slightly, to reduce the friction force between revolver assembly 5 and right wheel assembly 6 and ground, convenient manipulation, push down on the pedal 401 1 sidepieces, as shown in Figure 4, be that rotating disk 402 rotates counterclockwise, thereby the first axle 43 and the second axle 44 move around control piece axle 45 conter clockwises respectively, thereby inwardly pull left connecting rod 41 and right connecting rod 42, make inside left's frame 2 relative with inside right forward's frame 3 close, revolver assembly 5 diminishes with right wheel assembly 6 width, the whole narrowed width of children trolley,
revolver assembly 5 and right wheel assembly 6 need to be placed in away from state, push down on the pedal 401 the other sides, as shown in Figure 4, be that rotating disk 402 clockwise rotates, thereby the first axle 43 and the second axle 44 clockwise rotate around control piece axle 45 respectively, thereby outwards promote left connecting rod 41 and right connecting rod 42, make inside left's frame 2 relative with inside right forward's frame 3 away from, revolver assembly 5 broadens with right wheel assembly 6 width, and the whole width of children trolley broadens.
in the process of children trolley width adjusting, it is motionless that go-cart vehicle frame size keeps, and sits the root and stem of certain plants motionless, highly constant, is the width adjusting between pure revolver assembly 5 and right wheel assembly 6.
above-described embodiment is only explanation technical conceive of the present utility model and feature, and its object is to allow person skilled in the art can understand content of the present utility model and implement according to this, can not limit protection domain of the present utility model with this.All equivalences of doing according to the utility model Spirit Essence change or modify, within all should being encompassed in protection domain of the present utility model.
Claims (10)
1.
a kind of children trolley, comprise wheel support (1), be positioned at the revolver assembly (5) and right wheel assembly (6) of described wheel support (1) left and right sides, it is characterized in that: also comprise inside left's frame (2) and inside right forward's frame (3) that only can be slidably arranged in along left and right directions the left and right sides portion of described wheel support (1), described revolver assembly (5) is arranged at the outer end of described inside left's frame (2), described right wheel assembly (6) is arranged at the outer end of described inside right forward's frame (3), the inner end locking phase that is provided with inner end for controlling described inside left's frame (2) and described inside right forward's frame (3) on described wheel support (1) to close or relative away from control mechanism.
2.
children trolley according to claim 1, it is characterized in that: described control mechanism comprises the control piece (40) that only can be connected to rotationally on described wheel support (1), the left connecting rod (41) that one end and described control piece (40) are rotationally connected by the first axle (43), the right connecting rod (42) that one end and described control piece (40) are rotationally connected by the second axle (44), the inner end of the other end of described left connecting rod (41) and described inside left's frame (2) is rotationally connected, the inner end of the other end of described right connecting rod (42) and described inside right forward's frame (3) is rotationally connected, between described control piece (40) and described wheel support (1), be provided with state maintaining body.
3.
children trolley according to claim 2, it is characterized in that: described the first axle (43) and described the second axle (44) are arranged at the both sides of the horizontal surface at the center of rotation place of described control piece (40) one on the other, and the center of rotation of described the first axle (43) axle center, described control piece (40) and described the second axle (44) axle center are on same straight line.
4.
children trolley according to claim 3, it is characterized in that: when the inner end of the inner end of described inside left's frame (2) and described inside right forward's frame (3) is under away from state, crossing formation angle a between described straight line and described horizontal surface, described angle a is positioned at the upper semisection of described straight line and horizontal surface intersection, form in the counterclockwise direction from described horizontal surface, and be to be 30 degree to 80 degree along the angle of the angle a described in horizontal surface anticlockwise direction.
5.
children trolley according to claim 2, it is characterized in that: described control piece (40) comprise rotating disk (402), with the pedal (401) of trampling for operator that described rotating disk (402) is fixedly connected, on the rotating disk (402) described in one end portion of an end of described left connecting rod (41) and described right connecting rod (42) is connected to.
6.
children trolley according to claim 2, it is characterized in that: described state maintaining body comprises the locating dowel pin (71) on the control piece (40) described in being slidably arranged in along the rotational axis line that is parallel to described control piece (40), be opened in the upper positioning groove (73) inserting for described locating dowel pin (71) of described wheel support (1), the locating dowel pin elastic component (72) that the bottom land of the locating dowel pin (71) described in making between the control piece (40) described in being arranged at and described locating dowel pin (71) and described positioning groove (73) is conflicted, the center of rotation of the length direction of described positioning groove (73) and the control piece (40) taking described as the circumferencial direction in the center of circle consistent, the both ends of described positioning groove (73) bottom land are deeper than pars intermedia, when the inner end of the inner end of described inside left's frame (2) and described inside right forward's frame (3) in away from state with near under state, described locating dowel pin (71) is just in time positioned at the both ends of described positioning groove (73) bottom land.
7.
children trolley according to claim 1, is characterized in that: the sliding trace of the sliding trace of described inside left's frame (2), described inside right forward's frame (3) parallels with horizontal surface respectively.
8.
children trolley according to claim 1, it is characterized in that: described revolver assembly (5) comprises left wheel, the outer end of described left wheel and described inside left's frame (2) is rotationally connected by revolver axle, and be provided with left braking mechanism between described left wheel and described inside left's frame (2), described right wheel assembly (6) comprises right wheel, the outer end of described right wheel and described inside right forward's frame (3) is rotationally connected by right wheel shaft, between described right wheel and described inside right forward's frame (3), is provided with right braking mechanism.
9.
children trolley according to claim 1, it is characterized in that: described wheel support (1) comprises the installation portion in a tubular form (11) that length is extended along left and right directions, described inside left's frame (2) slides respectively and is inserted in the tube chamber of described installation portion (11) with described inside right forward's frame (3).
10.
children trolley according to claim 1, is characterized in that: described wheel support (1) is for being positioned at the rear wheel support (1) at children trolley rear portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420403964.6U CN203996373U (en) | 2014-07-21 | 2014-07-21 | Children trolley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420403964.6U CN203996373U (en) | 2014-07-21 | 2014-07-21 | Children trolley |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203996373U true CN203996373U (en) | 2014-12-10 |
Family
ID=52036417
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420403964.6U Expired - Fee Related CN203996373U (en) | 2014-07-21 | 2014-07-21 | Children trolley |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203996373U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI631035B (en) * | 2017-12-27 | 2018-08-01 | 穩正企業股份有限公司 | Moving carrier |
-
2014
- 2014-07-21 CN CN201420403964.6U patent/CN203996373U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI631035B (en) * | 2017-12-27 | 2018-08-01 | 穩正企業股份有限公司 | Moving carrier |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141210 |