CN207712120U - A kind of three-wheeled collapsible children trolley - Google Patents
A kind of three-wheeled collapsible children trolley Download PDFInfo
- Publication number
- CN207712120U CN207712120U CN201721692018.8U CN201721692018U CN207712120U CN 207712120 U CN207712120 U CN 207712120U CN 201721692018 U CN201721692018 U CN 201721692018U CN 207712120 U CN207712120 U CN 207712120U
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- Prior art keywords
- sleeve
- frame cross
- semi
- wheel
- assembly
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Abstract
The utility model is related to a kind of three-wheeled collapsible children trolleys, including front component, place foot assembly and frame cross, the front end of the frame cross is equipped with front sleeve, it is connected in the middle part of the front sleeve and front component, the rear end of the frame cross is equipped with after sleeve, inserted with hand push bar assembly in the after sleeve, the after sleeve lower end is equipped with wheel assembly, the frame cross upper center is slidably fitted with seat-assembly, and placement foot assembly is rotatablely equipped in the middle part of the frame cross lower end.The utility model is simple in structure, foldable and expansion, is convenient for carrying.
Description
Technical field
The utility model is related to children trolley technical fields, more particularly to a kind of three-wheeled collapsible children trolley.
Background technology
Existing domestic and international children trolley but because complicated, can not also carry out effective and successful folding, lead to vehicle
Body product is excessive, increases storage and transportation cost；In addition the trouble that assembling is brought to dealer, directly influences the pin of manufacturer
Amount.For this purpose, how to optimize children trolley is problem to be solved.
Invention content
It is simple in structure, easy the technical problem to be solved by the utility model is to provide a kind of three-wheeled collapsible children trolley
It folds and is unfolded, is convenient for carrying.
Technical solution adopted by the utility model to solve its technical problems is：A kind of three-wheeled collapsible children are provided to push away
Vehicle, including front component, place foot assembly and frame cross, the front end of the frame cross and be equipped with front sleeve, before this
It is connected in the middle part of sleeve and front component, the rear end of the frame cross is equipped with after sleeve, inserted with hand push in the after sleeve
Bar assembly, the after sleeve lower end are equipped with wheel assembly, and the frame cross upper center is slidably fitted with seat group
Part, frame cross lower end middle part are rotatablely equipped with placement foot assembly；
The wheel assembly includes trailing wheel, U-tube and horizontal bush, which is sleeved in the middle part of U-tube, described
The both ends of U-tube are mounted on trailing wheel, and the horizontal bush lower end is equipped with the first button, and the middle part of the U-tube is right
The first button is answered to be provided with telescopic rod, which is connected with the spring in U-tube, and telescopic rod is located in the horizontal bush
Both sides be symmetrical arranged there are two inner sleeve, which is equipped with limited block between two inner sleeves, described
Limited block be provided at both ends with arc notch.
As a kind of supplement to technical solution described in the utility model, the horizontal bush by semi-circular upper plate and
Semi-circular lower plate is opposite to be spliced, and the inner sleeve is divided into two semi-circular inner panels and is mounted on semi-circular upper plate and semi-circular
On the inner wall of lower plate, the semi-circular lower plate inner wall is equipped with limited block between being located at the semi-circular inner panel of both sides, the limit
Block is located at the side that semi-circular lower plate installs the first button endoporus.Facilitate the assembly between horizontal bush and U-tube.
As a kind of supplement to technical solution described in the utility model, the seat-assembly includes seat, handrail
And tent, the seat lower end are equipped with sliding seat, which is slidably connected with frame cross, and the seat rear end turns
Dynamic to be equipped with back cushion, which is rotatablely equipped with handrail, and the back cushion upper end is rotatablely equipped with extensible
Tent.The tent, handrail and back cushion when not in use, can collapse reduction volume.
As a kind of supplement to technical solution described in the utility model, the front component includes front fork, front-wheel
And locking device, the front fork lower part are equipped with front-wheel, the both sides of the front-wheel are equipped with foot pedal, and the front fork top is set
It is equipped with the handlebar of control front-wheel steer, which is disposed with convex column vertically, the lower front part arrangement of the convex column
There are the first sleeve part, the handlebar lower end that second sleeve portion is installed, is equipped with and is sleeved on outside convex column in the second sleeve portion
Hollow rotating shaft, corresponding first sleeve part is equipped with locking device on the second sleeve portion outer wall, which includes
The inserted link to match with the first sleeve part endoporus size and the telescoping mechanism that can be used for realizing the intermittent stretching of inserted link, reset, it is described
Inserted link one end with outside second sleeve portion install the second button be connected, the front sleeve be sleeved on front fork middle part.
As a kind of supplement to technical solution described in the utility model, front end is equipped with placement in the middle part of the front fork
Basket.
It is symmetrical at the hollow rotating shaft lower ending opening as a kind of supplement to technical solution described in the utility model
There are two notch, the convex column lower disposeds to have step, protruding block corresponding with notch is disposed on the step for arrangement.
As a kind of supplement to technical solution described in the utility model, the placement foot assembly includes inverted
The horizontal part both ends of T-type pipe and placement sole, the T-type pipe are rotatablely connected with placement sole respectively, the vertical portion of the T-type pipe
Upper end is rotatablely connected with frame cross.When not in use, itself and frame cross can be closed up with turning T-type pipe, it can also be by both sides
Placement sole turn to the inside and pack up, reduce occupied space.
Advantageous effect：The utility model is related to a kind of three-wheeled collapsible children trolleys, press the first button, and the first button will
Telescopic rod ejects the endoporus of semi-circular lower plate, then can pull U-tube, telescopic rod along the gap between two inner sleeves into
Row rotation so that below U-tube and rear wheel to seat-assembly, U-tube and trailing wheel gathering are leaned against in frame cross
It reduces and occupies volume.This utility structure is simple, foldable and expansion, is convenient for carrying.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is that frame cross described in the utility model and wheel assembly remove the structural schematic diagram after semi-circular lower plate；
Fig. 3 is the structural schematic diagram of semi-circular lower plate described in the utility model；
Fig. 4 is the structural schematic diagram of semi-circular lower plate described in the utility model；
Fig. 5 is the structural schematic diagram of seat-assembly described in the utility model；
Fig. 6 is that front component described in the utility model removes the structural schematic diagram after handlebar；
Fig. 7 is the partial enlarged view at the utility model A shown in fig. 6；
Fig. 8 is the structural schematic diagram of handlebar described in the utility model；
Fig. 9 is the partial enlarged view at the utility model B shown in Fig. 8；
Figure 10 is the structural schematic diagram described in the utility model for placing foot assembly.
Diagram：1, front component, 2, place foot assembly, 3, frame cross, 4, wheel assembly, 5, hand push bar assembly, 6,
Seat-assembly, 7, front sleeve, 8, after sleeve, 9, trailing wheel, 10, U-tube, 11, telescopic rod, 12, semi-circular upper plate, 13, semi-circular
Lower plate, 14, limited block, 15, semi-circular inner panel, the 16, first button, 17, arc notch, 18, sliding seat, 19, seat, 20, help
Hand, 21, back cushion, 22, tent, 23, foot pedal, 24, front fork, 25, convex column, the 26, first sleeve part, 27, place basket, 28,
Front-wheel, 29, protruding block, 30, step, 31, handlebar, 32, second sleeve portion, 33, notch, 34, hollow rotating shaft, the 35, second button,
36, inserted link, 37, T-type pipe, 38, place sole.
Specific implementation mode
With reference to specific embodiment, the utility model is expanded on further.It should be understood that these embodiments are merely to illustrate this
Utility model rather than limitation the scope of the utility model.In addition, it should also be understood that, in the content for having read the utility model instruction
Later, those skilled in the art can make various changes or modifications the utility model, and such equivalent forms equally fall within this Shen
It please the appended claims limited range.
The embodiment of the utility model is related to a kind of three-wheeled collapsible children trolley, as Figure 1-10 shows, including front-wheel
Component 1 places foot assembly 2 and frame cross 3, the front end of the frame cross 3 and is equipped with front sleeve 7, the front sleeve 7 with
1 middle part of front component is connected, and the rear end of the frame cross 3 is equipped with after sleeve 8, inserted with handspike in the after sleeve 8
Component 5,8 lower end of after sleeve are equipped with wheel assembly 4, and 3 upper center of frame cross is slidably fitted with seat
Component 6,3 lower end of frame cross middle part, which is rotatablely equipped with, places foot assembly 2；
The wheel assembly 4 includes trailing wheel 9, U-tube 10 and horizontal bush, which is sleeved on 10 middle part of U-tube,
The both ends of the U-tube 10 are mounted on trailing wheel 9, and the horizontal bush lower end is equipped with the first button 16, and described is U-shaped
The middle part of pipe 10 corresponds to the first button 16 and is provided with telescopic rod 11, which is connected with the spring in U-tube 10, described
It is symmetrical arranged there are two inner sleeve positioned at the both sides of telescopic rod 11 in horizontal bush, which is located at two inner sleeves
Between limited block 14 is installed, the limited block 14 is provided at both ends with arc notch 17.
The horizontal bush is spliced by semi-circular upper plate 12 and semi-circular lower plate 13 are opposite, the inner sleeve point
It is mounted on semi-circular upper plate 12 and the inner wall of semi-circular lower plate 13 at two semi-circular inner panels 15, the semi-circular lower plate 13
Inner wall is equipped with limited block 14 between being located at the semi-circular inner panel 15 of both sides, which is located at the installation of semi-circular lower plate 13 the
The side of one button, 16 endoporus.
The seat-assembly 6 includes seat 19, handrail 20 and tent 22, and 19 lower end of seat is equipped with sliding seat
18, which is slidably connected with frame cross 3, and 19 rear end thereof of seat is equipped with back cushion 21, the back cushion
21 both sides are rotatablely equipped with handrail 20, and 21 upper end of back cushion is rotatablely equipped with extensible tent 22.
The front component 1 includes front fork 24, front-wheel 28 and locking device, and 24 lower part of front fork is equipped with front-wheel
28, the both sides of the front-wheel 28 are equipped with foot pedal 23, and 24 top of front fork is provided with the handlebar 31 that control front-wheel 28 turns to,
24 upper center of front fork is disposed with convex column 25 vertically, and the lower front part of the convex column 25 is disposed with the first sleeve part 26, institute
31 lower end of handlebar stated is equipped with second sleeve portion 32, and hollow turn be sleeved on outside convex column 25 is equipped in the second sleeve portion 32
Axis 34, corresponding first sleeve part 26 is equipped with locking device on 32 outer wall of second sleeve portion, the locking device include with
The inserted link 36 and can be used for realizing the intermittent telescoping mechanism for stretching out, resetting of inserted link 36 that first sleeve part, 26 endoporus size matches,
Described 36 one end of inserted link is connected with the second button 35 installed outside second sleeve portion 32, and the front sleeve 7 is sleeved in front fork 5
Portion.
The 24 middle part front end of front fork, which is equipped with, places basket 27.
Notch 33 there are two being arranged symmetrically at 34 lower ending opening of hollow rotating shaft, 25 lower disposed of convex column
There is step 30, protruding block corresponding with notch 33 29 is disposed on the step 30.
The placement foot assembly 2 includes inverted T-type pipe 37 and placement sole 38, the level of the T-type pipe 37
Portion both ends are rotatablely connected with placement sole 38 respectively, and vertical portion upper end and the frame cross 3 of the T-type pipe 37 are rotatablely connected.
Embodiment
When assembling, the second sleeve portion 32 of 31 lower end of handlebar is sleeved on outside convex column 25, convex column 25 is allowed to be inserted into second
In the hollow rotating shaft 34 of sleeve part 32, handlebar 31 is rotated, two protruding blocks 29 at 25 lower step 30 of convex column is made to be directed at sky
Two notches 33 at 34 lower ending opening of heart shaft, notch 33 coordinate with protruding block 29, can prevent hollow rotating shaft 34 and protrusion
It is rotated between column 25, after alignment, presses the second button 35, inserted link 36 is forced to be inserted into the first of 25 lower front part of convex column arrangement
In sleeve part 26, prevent hollow rotating shaft 34 from moving up and down with convex column 25.When needing to remove, the second button 35 only need to be pressed again,
Inserted link 36 is set to be detached with the first sleeve part 26 by telescoping mechanism, it can be by handlebar 31, second sleeve portion 32 and hollow rotating shaft 34
It is whole to extract.It is convenient to dismount, easy to use, simple in structure.
Under original state, 11 one end of telescopic rod is extend into the endoporus of semi-circular lower plate 13, and the external part of telescopic rod 11
On the arc notch 17 for just leaning against 14 side of limited block, the fixation between U-tube 10 and horizontal bush is realized, when needing to reduce
When occupied space, the first button 16 can be pressed, telescopic rod 11 is ejected the endoporus of semi-circular lower plate 13 by the first button 16, then
U-tube 10 can be pulled, telescopic rod 11 is rotated along the gap between two inner sleeves so that U-tube 10 and trailing wheel 9
6 lower section of seat-assembly is turned to, U-tube 10 and the gathering of trailing wheel 9, which are leaned against frame cross 3, reduces occupancy volume, telescopic rod 11
External part just lean against the arc notch 17 of 14 other side of limited block.
Claims (7)
1. a kind of three-wheeled collapsible children trolley, including front component (1), placement foot assembly (2) and frame cross (3),
It is characterized in that：The front end of the frame cross (3) is equipped with front sleeve (7), the front sleeve (7) and front component (1) middle part
It is connected, the rear end of the frame cross (3) is equipped with after sleeve (8), inserted with hand push bar assembly (5) in the after sleeve (8),
Described after sleeve (8) lower end is equipped with wheel assembly (4), and the frame cross (3) upper center is slidably fitted with seat
Component (6), frame cross (3) lower end middle part, which is rotatablely equipped with, places foot assembly (2)；
The wheel assembly (4) includes trailing wheel (9), U-tube (10) and horizontal bush, which is sleeved on U-tube (10)
The both ends at middle part, the U-tube (10) are mounted on trailing wheel (9), and the horizontal bush lower end is equipped with the first button
(16), the U-tube (10) middle part correspond to the first button (16) be provided with telescopic rod (11), the telescopic rod (11) with it is U-shaped
The spring managed in (10) is connected, and is symmetrical arranged there are two inner sleeve positioned at the both sides of telescopic rod (11) in the horizontal bush,
The horizontal bush inner wall is equipped with limited block (14) between two inner sleeves, and the limited block (14) is provided at both ends with arc
V notch v (17).
2. a kind of three-wheeled collapsible children trolley according to claim 1, it is characterised in that：The horizontal bush is by half
Ring-like upper plate (12) and semi-circular lower plate (13) are spliced relatively, and the inner sleeve is divided into two semi-circular inner panels (15) peaces
On semi-circular upper plate (12) and the inner wall of semi-circular lower plate (13), described semi-circular lower plate (13) inner wall is located at both sides
Limited block (14) is installed, which is located at semi-circular lower plate (13) and installs the first button between semi-circular inner panel (15)
(16) side of endoporus.
3. a kind of three-wheeled collapsible children trolley according to claim 1, it is characterised in that：The seat-assembly (6)
Including seat (19), handrail (20) and tent (22), the seat (19) lower end is equipped with sliding seat (18), the sliding seat
(18) it is slidably connected with frame cross (3), the seat (19) rear end thereof is equipped with back cushion (21), the back cushion (21)
Both sides are rotatablely equipped with handrail (20), and the back cushion (21) upper end is rotatablely equipped with extensible tent (22).
4. a kind of three-wheeled collapsible children trolley according to claim 1, it is characterised in that：The front component (1)
Including front fork (24), front-wheel (28) and locking device, the front fork (24) lower part is equipped with front-wheel (28), the front-wheel (28)
Both sides are equipped with foot pedal (23), and the front fork (24) top is provided with the handlebar (31) that control front-wheel (28) turns to, before this
Fork (24) upper center is disposed with convex column (25) vertically, and the lower front part of the convex column (25) is disposed with the first sleeve part
(26), the handlebar (31) lower end is equipped with second sleeve portion (32), is equipped in the second sleeve portion (32) and is sleeved on protrusion
The hollow rotating shaft (34) of column (25) outside, corresponding first sleeve part (26) is equipped with locking on described second sleeve portion (32) outer wall
Device, the locking device include the inserted link (36) to match with the first sleeve part (26) endoporus size and can be used for realizing inserted link (36)
The intermittent telescoping mechanism for stretching out, resetting, the second button that the inserted link (36) one end is installed outside with second sleeve portion (32)
(35) it is connected, the front sleeve (7) is sleeved in the middle part of front fork (24).
5. a kind of three-wheeled collapsible children trolley according to claim 4, it is characterised in that：In the middle part of the front fork (24)
Front end, which is equipped with, places basket (27).
6. a kind of three-wheeled collapsible children trolley according to claim 4, it is characterised in that：The hollow rotating shaft (34)
It is arranged symmetrically at lower ending opening there are two notch (33), the convex column (25) lower disposed has step (30), the step
(30) protruding block (29) corresponding with notch (33) is disposed on.
7. a kind of three-wheeled collapsible children trolley according to claim 1, it is characterised in that：The placement foot assembly
(2) include inverted T-type pipe (37) and place sole (38), the horizontal part both ends of the T-type pipe (37) respectively with place foot
Plate (38) is rotatablely connected, and vertical portion upper end and the frame cross (3) of the T-type pipe (37) are rotatablely connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721692018.8U CN207712120U (en) | 2017-12-07 | 2017-12-07 | A kind of three-wheeled collapsible children trolley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721692018.8U CN207712120U (en) | 2017-12-07 | 2017-12-07 | A kind of three-wheeled collapsible children trolley |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207712120U true CN207712120U (en) | 2018-08-10 |
Family
ID=63059758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721692018.8U Expired - Fee Related CN207712120U (en) | 2017-12-07 | 2017-12-07 | A kind of three-wheeled collapsible children trolley |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207712120U (en) |
-
2017
- 2017-12-07 CN CN201721692018.8U patent/CN207712120U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180810 Termination date: 20201207 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |