CN203864745U - Three-wheel stroller - Google Patents
Three-wheel stroller Download PDFInfo
- Publication number
- CN203864745U CN203864745U CN201420112294.2U CN201420112294U CN203864745U CN 203864745 U CN203864745 U CN 203864745U CN 201420112294 U CN201420112294 U CN 201420112294U CN 203864745 U CN203864745 U CN 203864745U
- Authority
- CN
- China
- Prior art keywords
- frame
- supporting rod
- bottom supporting
- connecting rod
- wheel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000008878 coupling Effects 0.000 claims description 7
- 238000010168 coupling process Methods 0.000 claims description 7
- 238000005859 coupling reaction Methods 0.000 claims description 7
- 238000005452 bending Methods 0.000 claims description 3
- 238000000429 assembly Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Abstract
The utility model discloses a three-wheel stroller. The three-wheel stroller comprises a stroller frame which has an unfolding position and a folding position, a front wheel assembly and a back wheel assembly. The stroller frame comprises two side supports located on the two sides respectively and a connecting assembly connected between the two side supports. Each side support comprises a front support, a pushing rod with the lower portion in rotation connection with the upper portion of the front support, a back support with the upper portion in rotation connection to the pushing rod, and a base rod connected between the front support and the back support. The lower portions of the front supports on the two sides are rotationally connected. The connecting assembly comprises a back supporting rod assembly arranged on the back portion of the stroller frame and a bottom supporting rod assembly arranged at the bottom of the stroller frame. The three-wheel stroller is simple in structure and can be folded or unfolded conveniently; when the stroller frame is folded, the front supports, the pushing rods, the back supports, the base rods and the connecting assembly can be closely drawn together, the folded stroller frame can be compact in structure, the occupied space of the folded stroller is small, and the folded stroller can be stored or conveyed conveniently.
Description
Technical field
the utility model relates to a kind of three-wheel children trolley.
Background technology
in prior art, the vehicle frame of three-wheel children trolley all has expanded position and folding position, when vehicle frame folding, often can only carry out folding along the left and right directions of vehicle frame, fore-and-aft direction, and the vehicle frame volume after folding is larger, structure is compact not, affects depositing and transporting of this vehicle frame.
Summary of the invention
the purpose of this utility model is to provide a kind of three-wheel children trolley that can conveniently fold and fold rear compact conformation.
for achieving the above object, the technical solution adopted in the utility model is:
a kind of three-wheel children trolley, comprise the vehicle frame with expanded position and folding position, front component, wheel assembly, described vehicle frame comprises two side stands that lay respectively at both sides, be connected to two coupling assemblings between described side stand, the described side stand of every side includes front frame, bottom and the top of the described front frame push rod being connected that rotates, top is rotatably connected to the after poppet on described push rod, anterior be connected to rotationally on described front frame and rear portion and the described after poppet bar being connected that rotates, the bottom of the described front frame of both sides is by the first rotating shaft connection that rotates, described coupling assembling comprises the rear pole assembly of being located at described vehicle frame rear portion, be located at the bottom supporting rod assembly of described bottom of frame, described rear pole assembly can launch or be connected to foldedly between the described after poppet of both sides along the left and right directions of described vehicle frame, described bottom supporting rod assembly can launch or be connected to foldedly described in the described after poppet bottom of both sides and at least one side between front frame bottom along the fore-and-aft direction of described vehicle frame.
preferably, described bottom supporting rod assembly comprises mutual intersection and at the first hinged bottom supporting rod of infall and the second bottom supporting rod, rear portion and the front portion of the first bottom supporting rod first connecting rod being connected that rotates, rear portion and the front portion of described the second bottom supporting rod second connecting rod being connected that rotates, the front portion of described first connecting rod rotates and is connected and is rotatably connected on the front portion of described vehicle frame with the front portion of described second connecting rod, be connected to the posterior rotation of described the first bottom supporting rod on the described after poppet of a side, be connected to the posterior rotation of described the second bottom supporting rod on the described after poppet of opposite side.
further preferably, the front portion of described first connecting rod, the front portion of described second connecting rod be by the second rotating shaft connection that rotates, and described the second rotating shaft is rotatably connected on the front portion of front frame described in a side wherein or is rotatably connected in described the first rotating shaft.
further preferably, described front component is arranged on the front portion, the end of front frame described in a side wherein or in described the first rotating shaft.
further preferably, described front component is arranged on parts in described first connecting rod, described second connecting rod, described the second rotating shaft.
preferably, the described front frame of both sides is the bow of the anterior left and right directions along described vehicle frame to described central frame beam bending.
due to the utilization of technique scheme, the utility model compared with prior art has following advantages: three-wheel children trolley of the present utility model, it is simple in structure, can fold easily or launch, in the time of vehicle frame folding, front frame, push rod, after poppet, seat bar and coupling assembling all can closely be drawn close together, make the body frame structure for automotive compactness after folding, the space of its occupation of land is less, is convenient to deposit or transport.
Brief description of the drawings
accompanying drawing 1 is the block diagram of three-wheel children trolley of the present utility model in the time of expanded position;
accompanying drawing 2 is the lateral plan of three-wheel children trolley of the present utility model in the time of expanded position;
accompanying drawing 3 is the lateral plan of three-wheel children trolley of the present utility model in the time of folding position;
wherein: 1, side stand; 11, front frame; 12, push rod; 13, after poppet; 14, seat bar; 15, the first rotating shaft; 2, rear pole assembly; 3, bottom supporting rod assembly; 31, the first strut; 32, the second strut; 33, first connecting rod; 34, second connecting rod; 35, the second rotating shaft; 4, front-wheel; 5, trailing wheel.
Detailed description of the invention
below in conjunction with accompanying drawing and preferred embodiment of the present utility model, the technical solution of the utility model is further elaborated.
below in the definition about direction, all to define according to three-wheel children trolley user observes in use all around, above-below direction, left and right directions in left and right directions that is Fig. 1, left and right directions in fore-and-aft direction that is Fig. 2, wherein left is front, right-hand be after, above-below direction is the above-below direction in Fig. 1, Fig. 2.
referring to the three-wheel children trolley shown in Fig. 1～3, it comprise have expanded position and folding position vehicle frame, be located at front portion at the bottom of vehicle frame front component 4, be located at the wheel assembly 5 at rear portion at the bottom of vehicle frame.Vehicle frame comprise lay respectively at the left and right sides two side stands 1, be connected to two coupling assemblings between side stand 1.
shown in Fig. 1, Fig. 2, the side stand 1 of every side includes front frame 11, push rod 12, after poppet 13, seat bar 14, and the bottom of push rod 12 rotates and is connected with the top of front frame 11, and the top of after poppet 13 is connected to the top of push rod 12 rotationally.Seat bar 14 is connected between front frame 11 and after poppet 13, and its rear and front end is connected to respectively on front frame 11, after poppet 13 rotationally.Front frame 11 on both sides side stand 1 is the bow of the anterior left and right directions along vehicle frame to central frame beam bending, and the front portion of two front frames 11 is by the first rotating shaft 15 connection that rotates, and in the time of vehicle frame folding, the front frame 11 of both sides is drawn close around the first rotating shaft 15.
coupling assembling comprise be located at vehicle frame rear portion rear pole assembly 2, be located at the bottom supporting rod assembly 3 of bottom of frame, rear pole assembly 2 is connected between the after poppet 13 of both sides side stand 1, it can launch or folding along the left and right directions of vehicle frame.Bottom supporting rod assembly 3 comprises the first bottom supporting rod 31, the second bottom supporting rod 32, first connecting rod 33, second connecting rod 34, the first bottom supporting rod 31 and the second bottom supporting rod 32 are mutually arranged in a crossed manner and be rotationally connected by bearing pin at infall, be connected to the posterior rotation of the first bottom supporting rod 31 on the bottom of after poppet 13 of a side, be connected on the bottom of opposite side after poppet 13 to the posterior rotation of the second bottom supporting rod 32, the rear portion of first connecting rod 33 is hinged on the front portion of the first bottom supporting rod 31, the rear portion of second connecting rod 34 is hinged on the front portion of the second bottom supporting rod 32, the front portion of first connecting rod 33 is rotated and is connected and is rotatably connected on the front portion of vehicle frame by the second rotating shaft 35 with the front portion of second connecting rod 34.When connection, the second rotating shaft 35 can be connected to rotationally on the front frame 11 front end bottoms of a side side stand 1 wherein, or the second rotating shaft 35 and the first rotating shaft 15 are rotatably connected.First connecting rod 33 and the front portion of second connecting rod 34 can certainly be connected to the front portion of vehicle frame by transition apparatus.
front component 4 can be arranged on the front portion, the end of a side front frame 11 wherein or be arranged in the first rotating shaft 15, also can be arranged on one of them parts in first connecting rod 33, second connecting rod 34, the second rotating shaft 35, two 5 of wheel assemblies are arranged on the bottom of both sides after poppet 13.
referring to shown in Fig. 1 to Fig. 3, in the time that needs are folding by this children trolley, push rod 12 overturns forward, push rod 12 rotates around the transit point of itself and front frame 11, and front frame 11 is turned over, after poppet 13 is along with push rod 12 overturns forward, continue to overturn forward push rod 12, under the effect of present bar 14, the front portion of front frame 11 is pushed away forward, the first bottom supporting rod 31 of bottom supporting rod assembly 3, the second bottom supporting rod 32 rotates and draws in to centre around transit point between the two, make its anterior first connecting rod 33, second connecting rod 34 draws in and moves forward, 2 whiles of rear pole assembly are along the left and right directions folding of vehicle frame, until front frame 11, push rod 12, after poppet 13, seat bar 14 is drawn close mutually, the final structure forming as shown in Figure 3.
in the time that this children trolley is launched from folded state, directly upwards pull push rod 12 and turn over backward, front frame 11 is upwards lifted gradually, after poppet 13 is also turned over push rod 12, the first bottom supporting rod 31 of bottom supporting rod assembly 3 and the second bottom supporting rod 32 launch to both sides and bottom supporting rod assembly 3 are drawn in along fore-and-aft direction simultaneously, 2 whiles of rear pole assembly launch along the left and right directions of vehicle frame, until vehicle frame launches completely.This go-cart is folding and expansion is all more convenient, and the structure after folding is more compact, and occupation of land space is less, can conveniently deposit and transport.
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 (6)
1. a three-wheel children trolley, comprise the vehicle frame with expanded position and folding position, front component (4), wheel assembly (5), described vehicle frame comprises two side stands (1) that lay respectively at both sides, be connected to the coupling assembling between two described side stands (1), it is characterized in that: the described side stand (1) of every side includes front frame (11), bottom and the top of described front frame (11) push rod (12) being connected that rotates, top is rotatably connected to the after poppet (13) on described push rod (12), front portion is connected to the upper and rear portion of described front frame (11) and described after poppet (13) bar (14) being connected that rotates rotationally, the bottom of the described front frame (11) of both sides is by the first rotating shaft (15) connection that rotates,
Described coupling assembling comprise be located at described vehicle frame rear portion rear pole assembly (2), be located at the bottom supporting rod assembly (3) of described bottom of frame, described rear pole assembly (2) can launch or be connected to foldedly between the described after poppet (13) of both sides along the left and right directions of described vehicle frame, and described bottom supporting rod assembly (3) can launch or be connected to foldedly described in described after poppet (13) bottom of both sides and at least one side between front frame (11) bottom along the fore-and-aft direction of described vehicle frame.
2. three-wheel children trolley according to claim 1, it is characterized in that: described bottom supporting rod assembly (3) comprises mutual intersection and at hinged the first bottom supporting rod (31) of infall and the second bottom supporting rod (32), rear portion and the front portion of the first bottom supporting rod (31) first connecting rod (33) being connected that rotates, rear portion and the front portion of described the second bottom supporting rod (32) second connecting rod (34) being connected that rotates, the front portion of described first connecting rod (33) rotates and is connected and is rotatably connected on the front portion of described vehicle frame with the front portion of described second connecting rod (34), be connected to the posterior rotation of described the first bottom supporting rod (31) on the described after poppet (13) of a side, be connected to the posterior rotation of described the second bottom supporting rod (32) on the described after poppet (13) of opposite side.
3. three-wheel children trolley according to claim 2, it is characterized in that: the front portion of the front portion of described first connecting rod (33), described second connecting rod (34) is by the second rotating shaft (35) connection that rotates, described the second rotating shaft (35) is rotatably connected on the front portion of front frame (11) described in a side wherein or is rotatably connected in described the first rotating shaft (15).
4. according to the three-wheel children trolley described in claim 2 or 3, it is characterized in that: described front component (4) is arranged on the front portion, the end of front frame (11) described in a side wherein or in described the first rotating shaft (15).
5. three-wheel children trolley according to claim 3, is characterized in that: described front component (4) is arranged on parts in described first connecting rod (33), described second connecting rod (34), described the second rotating shaft (35).
6. three-wheel children trolley according to claim 1, is characterized in that: the described front frame (11) of both sides is the bow of the anterior left and right directions along described vehicle frame to described central frame beam bending.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420112294.2U CN203864745U (en) | 2013-12-17 | 2014-03-13 | Three-wheel stroller |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320830080 | 2013-12-17 | ||
| CN201320830080.4 | 2013-12-17 | ||
| CN201420112294.2U CN203864745U (en) | 2013-12-17 | 2014-03-13 | Three-wheel stroller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203864745U true CN203864745U (en) | 2014-10-08 |
Family
ID=51645728
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420112294.2U Expired - Fee Related CN203864745U (en) | 2013-12-17 | 2014-03-13 | Three-wheel stroller |
| CN201420112300.4U Withdrawn - After Issue CN203864756U (en) | 2013-12-17 | 2014-03-13 | Child umbrella stroller |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420112300.4U Withdrawn - After Issue CN203864756U (en) | 2013-12-17 | 2014-03-13 | Child umbrella stroller |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN203864745U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103909959A (en) * | 2013-12-17 | 2014-07-09 | 好孩子儿童用品有限公司 | Three-wheeled child stroller |
-
2014
- 2014-03-13 CN CN201420112294.2U patent/CN203864745U/en not_active Expired - Fee Related
- 2014-03-13 CN CN201420112300.4U patent/CN203864756U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103909959A (en) * | 2013-12-17 | 2014-07-09 | 好孩子儿童用品有限公司 | Three-wheeled child stroller |
| CN103909959B (en) * | 2013-12-17 | 2016-08-24 | 好孩子儿童用品有限公司 | A kind of three-wheel children trolley |
Also Published As
| Publication number | Publication date |
|---|---|
| CN203864756U (en) | 2014-10-08 |
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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: 20141008 |