CN204196979U - A kind of children trolley - Google Patents
A kind of children trolley Download PDFInfo
- Publication number
- CN204196979U CN204196979U CN201420644824.8U CN201420644824U CN204196979U CN 204196979 U CN204196979 U CN 204196979U CN 201420644824 U CN201420644824 U CN 201420644824U CN 204196979 U CN204196979 U CN 204196979U
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- Prior art keywords
- connecting rod
- wheel support
- strut
- rotationally connected
- rear wheel
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- 238000005452 bending Methods 0.000 claims description 3
- 210000003127 knee Anatomy 0.000 claims description 3
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model relates to a kind of children trolley, comprise the trolley rack with deployed condition and folded state, front component, wheel assembly and lockout mechanism, trolley rack comprises the side stand in go-cart both sides and the front pole-bracket that is arranged between the side stand of both sides and back pole-bracket, each side stand comprises front-wheel support, rear wheel support and bottom and the front portion of rear wheel support rotate the push rod be connected, push rod is slidably arranged on front-wheel support along the length direction of front-wheel support, back pole-bracket comprises the first connecting rod and second connecting rod that intersect, the leading section of first connecting rod, the leading section of second connecting rod rotates with the rear wheel support of both sides respectively and is connected, children trolley also comprises bottom and the rear portion of rear wheel support and to rotate the strut be connected, the upper end of strut rotates with the upper end of front-wheel support and is connected, the rearward end of first connecting rod, the rearward end of second connecting rod rotates with the strut of both sides respectively and is connected.This children trolley folding operation is simple, convenient, and volume after folding reduces greatly.
Description
Technical field
The utility model relates to articles for children field, is specifically related to a kind of children trolley.
Background technology
In prior art, children trolley generally comprises trolley rack, front component and the wheel assembly with deployed condition and folded state, is locked when trolley rack is to be positioned at deployed condition by lockout mechanism.At present, the folding structure of trolley rack can be made to have a variety of, and how to make more simple, folding convenient, the folding rear more little target being children trolley field always and pursuing always of size of trolley rack folding operation.
Summary of the invention
Technical problem to be solved in the utility model overcomes the deficiencies in the prior art, provides the children trolley that a kind of folding operation is simple, convenient, volume after folding is little.
For solving above technical matters, the utility model adopts following technical scheme:
A kind of children trolley, comprise the trolley rack with deployed condition and folded state, front component, wheel assembly and the lockout mechanism for described trolley rack being locked in deployed condition, described trolley rack comprise in go-cart both sides and symmetrically arranged side stand and be arranged on both sides described side stand between front pole-bracket and back pole-bracket, each described side stand comprises the front-wheel support that bottom is provided with described front component, rearward end is provided with the rear wheel support of described wheel assembly and bottom and the front portion of described rear wheel support and rotates the push rod be connected, described push rod is slidably arranged on described front-wheel support along the length direction of described front-wheel support, described back pole-bracket comprises the first connecting rod and second connecting rod that intersect, described first connecting rod and second connecting rod to be rotated by pivot at infall and are connected, the leading section of described first connecting rod, the leading section of described second connecting rod rotates with the described rear wheel support of both sides respectively and is connected, described children trolley also comprises bottom and the rear portion of described rear wheel support and to rotate the strut be connected, the upper end of described strut rotates with the upper end of described front-wheel support and is connected, the rearward end of described first connecting rod, the rearward end of described second connecting rod rotates with the described strut of both sides respectively and is connected.
Described front pole-bracket comprises the third connecting rod and double leval jib that intersect, described third connecting rod and double leval jib to be rotated by pivot at infall and are connected, the leading section of described third connecting rod, the leading section of described double leval jib rotate with the bottom of the described push rod of both sides respectively and are connected, or the leading section of described third connecting rod, described double leval jib leading section rotate with the front portion of the described rear wheel support of both sides respectively and be connected; The rearward end of described third connecting rod, the rearward end of described double leval jib rotate with the described strut of both sides respectively and are connected.
The place of being rotationally connected of the place of being rotationally connected of described front-wheel support and strut, described first connecting rod and the place of being rotationally connected of strut or the place of being rotationally connected of described second connecting rod and strut, described third connecting rod and the place of being rotationally connected of strut or the place of being rotationally connected of described double leval jib and strut, described rear wheel support and strut from top to bottom distributes along the length direction of described strut.
Described front pole-bracket comprises the third connecting rod and double leval jib that intersect, described third connecting rod and double leval jib to be rotated by pivot at infall and are connected, the leading section of described third connecting rod, the leading section of described double leval jib rotate with the front portion of the described rear wheel support of both sides respectively and are connected, and this place of being rotationally connected is positioned at the front of described first connecting rod and second connecting rod and rear wheel support junction; The rearward end of described third connecting rod, the rearward end of described double leval jib rotate with the described strut of both sides respectively and are connected, and this place of being rotationally connected is positioned at the below of described first connecting rod and second connecting rod and described strut junction.
The upper and lower of described front-wheel support is fixedly connected with the first fixed cover and the second fixed cover respectively, and described push rod can be arranged slidably through described first fixed cover and the second fixed cover successively in described first fixed cover and the second fixed cover.
Described push rod is provided with limiting section, and when described trolley rack is in deployed condition, described limiting section can stop described push rod along the length direction upward sliding of described front-wheel support.
Described rear wheel support is knee.
Described rear wheel support comprises the first paragraph being tilted to downward-extension from front to back and the second segment bending downward-sloping extension from described first paragraph, has the angle being greater than 90 ° between described first paragraph and second segment.
Described push rod is rotationally connected with on described first paragraph; Described strut and first connecting rod and second connecting rod are rotationally connected with on described second segment, and the place of being rotationally connected of the place of being rotationally connected of described first connecting rod and described second segment or described second connecting rod and described second segment is positioned at the front upper place being rotationally connected place of described strut and described second segment.
Described push rod is rotationally connected with on described first paragraph, and described strut is rotationally connected with on described second segment, and described first connecting rod and second connecting rod are rotationally connected with the turning point of described first paragraph and second segment.
Because technique scheme is used, the utility model compared with prior art has following advantages:
When the utility model children trolley folds, promote push rod and move downward, and the front portion of rear wheel support is moved downward, rear wheel support and strut are all drawn close to push rod, the rear portion of rear wheel support upwards extends, and whole trolley rack completes folding, and children trolley realizes one and pushes away and namely roll over.
Children trolley folding operation of the present utility model is simple, convenient, and volume after folding reduces greatly.
Accompanying drawing explanation
Fig. 1 is the block diagram under the utility model children trolley deployed condition;
Fig. 2 is the lateral plan under the utility model children trolley deployed condition;
Fig. 3 is the lateral plan under the utility model children trolley semi-collapsed condition;
Fig. 4 is the lateral plan under the utility model children trolley folded state;
In figure: 1, trolley rack; 2, front component; 3, wheel assembly; 4, front-wheel support; 5, rear wheel support; 6, push rod; 7, strut; 8, back pole-bracket; 9, front pole-bracket; 10, first connecting rod; 11, second connecting rod; 12, third connecting rod; 13, double leval jib; 14, the first fixed cover; 15, the second fixed cover; 16, limiting section.
Detailed description of the invention
Below in conjunction with Figure of description, the utility model is described further:
As shown in Fig. 1 ~ 4, a kind of children trolley, comprise the trolley rack 1 with deployed condition and folded state, front component 2, wheel assembly 3 and the lockout mechanism for trolley rack 1 being locked in deployed condition, trolley rack 1 comprise in go-cart both sides and symmetrically arranged side stand and be arranged on both sides side stand between back pole-bracket 8, each side stand comprises the front-wheel support 4 that bottom is provided with front component 2, rearward end is provided with the rear wheel support 5 of wheel assembly 3 and bottom and the front portion of rear wheel support 5 and rotates the push rod 6 be connected, push rod 6 is slidably arranged on front-wheel support 4 along the length direction of front-wheel support 4, back pole-bracket 8 comprises the first connecting rod 10 and second connecting rod 11 that intersect, first connecting rod 10 and second connecting rod 11 to be rotated by pivot at infall and are connected, the leading section of first connecting rod 10, the leading section of second connecting rod 11 rotates with the rear wheel support 5 of both sides respectively and is connected, children trolley also comprises bottom and the rear portion of the rear wheel support 5 of homonymy and to rotate the strut 7 be connected, the upper end of strut 7 rotates with the upper end of front-wheel support 4 and is connected, the rearward end of first connecting rod 10, the rearward end of second connecting rod 11 rotates with the strut 7 of both sides respectively and is connected.
Trolley rack 1 also comprise be arranged on both sides side stand between front cross 9, front cross 9 comprises the third connecting rod 12 and double leval jib 13 that intersect, third connecting rod 12 and double leval jib 13 to be rotated by pivot at infall and are connected, the leading section of third connecting rod 12, the leading section of double leval jib 13 rotate with the bottom of the push rod 6 of both sides respectively and are connected, or the leading section of third connecting rod 12, double leval jib 13 leading section rotate with the front portion of the rear wheel support 5 of both sides respectively and be connected; The rearward end of third connecting rod 12, the rearward end of double leval jib 13 rotate with the strut 7 of both sides respectively and are connected.
The place of being rotationally connected of the place of being rotationally connected of the place of being rotationally connected of the place of being rotationally connected of the place of being rotationally connected of front-wheel support 4 and strut 7, first connecting rod 10 and strut 7 or second connecting rod 11 and strut 7, third connecting rod 12 and strut 7 or the place of being rotationally connected of double leval jib 13 and strut 7, rear wheel support 5 and strut 7 from top to bottom distributes along the length direction of strut 7.
Upper and lower on front-wheel support 4 is fixedly connected with the first fixed cover 14 and the second fixed cover 15 respectively, push rod 6 can be arranged slidably through the first fixed cover 14 and the second fixed cover 15 successively in the first fixed cover 14 and the second fixed cover 15, in this preferred embodiment, the upper end of described strut 7, the upper end of front-wheel support 4 and push rod 6 are connected by the first fixed cover 14.
Lockout mechanism of the present utility model comprises for the lock cell by relative with front-wheel support 4 for push rod 6 locking.
Push rod 6 is provided with limiting section 16, and when trolley rack is in deployed condition, limiting section 16 can stop push rod 6 along the length direction upward sliding of front-wheel support 4.
Rear wheel support 5 of the present utility model is knee.
Rear wheel support 5 comprises the first paragraph being tilted to downward-extension from front to back and the second segment bending downward-sloping extension from first paragraph, there is between first paragraph and second segment the angle being greater than 90 °, push rod 6 is rotationally connected with on first paragraph, and strut 7 and first connecting rod 10 and second connecting rod 11 are rotationally connected with on second segment.First connecting rod 10 is positioned at the front upper place being rotationally connected place of strut 7 and second segment with the place of being rotationally connected of second segment or the place of being rotationally connected of second connecting rod 11 and second segment.
First connecting rod 10 of the present utility model and second connecting rod 11 also can be rotationally connected with the turning point of first paragraph and second segment.
The leading section of third connecting rod 12 of the present utility model and the leading section of double leval jib 13 are rotationally connected with on push rod 6 or the leading section of third connecting rod 12 and the leading section of double leval jib 13 are rotationally connected with on first paragraph.
The folding principle of children trolley of the present utility model:
As shown in Figure 1 and 2, children trolley is in deployed condition, when children trolley being folded, unlock lock mechanism, external force promotes push rod 6 slide downward on front-wheel support 4, push rod 6 moves downward and drives the front portion of rear wheel support 5 to move downward, and rear wheel support 5 and strut 7 are all drawn close to push rod 6 and front-wheel support 4, the rear portion of rear wheel support 5 upwards extends, simultaneously, push rod 6 down moves and drives the leading section of first connecting rod 10, the leading section of second connecting rod 11, the leading section of third connecting rod 12 and the leading section of double leval jib 13 all move downward, and the rearward end of first connecting rod 10, the rearward end of second connecting rod 11, the rearward end of third connecting rod 12 and the equal upward movement of rearward end of double leval jib 13, thus make the front-wheel support 4 of both sides, rear wheel support 5, strut 7 and push rod 6 are drawn close mutually, finally complete the folding of children trolley.Complete folding after as shown in Figure 4.
In sum, children trolley of the present utility model completes laterally folded too when completing longitudinal folding, achieve fast folding, and folding operation is simple, convenient.After folding, push rod 6 and front component 2 are supported oneself, and wheel assembly 3 upwards abuts against on strut 7.
Above-described embodiment is only for illustrating technical conceive of the present utility model and feature; its object is to person skilled in the art can be understood content of the present utility model and implement according to this; protection domain of the present utility model can not be limited with this; all equivalences done according to the utility model Spirit Essence change or modify, and all should be encompassed within protection domain of the present utility model.
Claims (10)
1. a children trolley, comprise the trolley rack with deployed condition and folded state, front component, wheel assembly and the lockout mechanism for described trolley rack being locked in deployed condition, described trolley rack comprise in go-cart both sides and symmetrically arranged side stand and be arranged on both sides described side stand between front pole-bracket and back pole-bracket, each described side stand comprises the front-wheel support that bottom is provided with described front component, rearward end is provided with the rear wheel support of described wheel assembly and bottom and the front portion of described rear wheel support and rotates the push rod be connected, it is characterized in that: described push rod is slidably arranged on described front-wheel support along the length direction of described front-wheel support, described back pole-bracket comprises the first connecting rod and second connecting rod that intersect, described first connecting rod and second connecting rod to be rotated by pivot at infall and are connected, the leading section of described first connecting rod, the leading section of described second connecting rod rotates with the described rear wheel support of both sides respectively and is connected, described children trolley also comprises bottom and the rear portion of described rear wheel support and to rotate the strut be connected, the upper end of described strut rotates with the upper end of described front-wheel support and is connected, the rearward end of described first connecting rod, the rearward end of described second connecting rod rotates with the described strut of both sides respectively and is connected.
2. children trolley according to claim 1, it is characterized in that: described front pole-bracket comprises the third connecting rod and double leval jib that intersect, described third connecting rod and double leval jib to be rotated by pivot at infall and are connected, the leading section of described third connecting rod, the leading section of described double leval jib rotate with the bottom of the described push rod of both sides respectively and are connected, or the leading section of described third connecting rod, described double leval jib leading section rotate with the front portion of the described rear wheel support of both sides respectively and be connected; The rearward end of described third connecting rod, the rearward end of described double leval jib rotate with the described strut of both sides respectively and are connected.
3. children trolley according to claim 2, is characterized in that: the place of being rotationally connected of the place of being rotationally connected of described front-wheel support and strut, described first connecting rod and the place of being rotationally connected of strut or the place of being rotationally connected of described second connecting rod and strut, described third connecting rod and the place of being rotationally connected of strut or the place of being rotationally connected of described double leval jib and strut, described rear wheel support and strut from top to bottom distributes along the length direction of described strut.
4. children trolley according to claim 1, it is characterized in that: described front pole-bracket comprises the third connecting rod and double leval jib that intersect, described third connecting rod and double leval jib to be rotated by pivot at infall and are connected, the leading section of described third connecting rod, the leading section of described double leval jib rotate with the front portion of the described rear wheel support of both sides respectively and are connected, and this place of being rotationally connected is positioned at the front of described first connecting rod and second connecting rod and rear wheel support junction; The rearward end of described third connecting rod, the rearward end of described double leval jib rotate with the described strut of both sides respectively and are connected, and this place of being rotationally connected is positioned at the below of described first connecting rod and second connecting rod and described strut junction.
5. children trolley according to claim 1, it is characterized in that: the upper and lower of described front-wheel support is fixedly connected with the first fixed cover and the second fixed cover respectively, described push rod can be arranged slidably through described first fixed cover and the second fixed cover successively in described first fixed cover and the second fixed cover.
6. children trolley according to claim 5, is characterized in that: described push rod is provided with limiting section, and when described trolley rack is in deployed condition, described limiting section can stop described push rod along the length direction upward sliding of described front-wheel support.
7. children trolley according to claim 1, is characterized in that: described rear wheel support is knee.
8. children trolley according to claim 7, it is characterized in that: described rear wheel support comprises the first paragraph being tilted to downward-extension from front to back and the second segment bending downward-sloping extension from described first paragraph, between described first paragraph and second segment, there is the angle being greater than 90 °.
9. children trolley according to claim 8, is characterized in that: described push rod is rotationally connected with on described first paragraph; Described strut and first connecting rod and second connecting rod are rotationally connected with on described second segment, and the place of being rotationally connected of the place of being rotationally connected of described first connecting rod and described second segment or described second connecting rod and described second segment is positioned at the front upper place being rotationally connected place of described strut and described second segment.
10. children trolley according to claim 8, it is characterized in that: described push rod is rotationally connected with on described first paragraph, described strut is rotationally connected with on described second segment, and described first connecting rod and second connecting rod are rotationally connected with the turning point of described first paragraph and second segment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420644824.8U CN204196979U (en) | 2014-10-31 | 2014-10-31 | A kind of children trolley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420644824.8U CN204196979U (en) | 2014-10-31 | 2014-10-31 | A kind of children trolley |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204196979U true CN204196979U (en) | 2015-03-11 |
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ID=52654966
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420644824.8U Expired - Fee Related CN204196979U (en) | 2014-10-31 | 2014-10-31 | A kind of children trolley |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204196979U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105346584B (en) * | 2015-11-16 | 2020-04-10 | 好孩子儿童用品有限公司 | Children umbrella handle vehicle |
-
2014
- 2014-10-31 CN CN201420644824.8U patent/CN204196979U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105346584B (en) * | 2015-11-16 | 2020-04-10 | 好孩子儿童用品有限公司 | Children umbrella handle vehicle |
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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 |
Granted publication date: 20150311 |