CN203753214U - Joint of frame of trolley - Google Patents
Joint of frame of trolley Download PDFInfo
- Publication number
- CN203753214U CN203753214U CN201420063793.7U CN201420063793U CN203753214U CN 203753214 U CN203753214 U CN 203753214U CN 201420063793 U CN201420063793 U CN 201420063793U CN 203753214 U CN203753214 U CN 203753214U
- Authority
- CN
- China
- Prior art keywords
- foot lever
- joint
- handle stem
- handcart frame
- frame according
- 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 - Lifetime
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 46
- 229910052742 iron Inorganic materials 0.000 claims description 23
- 238000010586 diagram Methods 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- NHDHVHZZCFYRSB-UHFFFAOYSA-N pyriproxyfen Chemical compound C=1C=CC=NC=1OC(C)COC(C=C1)=CC=C1OC1=CC=CC=C1 NHDHVHZZCFYRSB-UHFFFAOYSA-N 0.000 description 1
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- Motorcycle And Bicycle Frame (AREA)
Abstract
The utility model discloses a joint of a frame of a trolley. The joint of the frame of the trolley comprises a shell seat, wherein the shell seat is fixedly connected to the upper end of a rear foot rod of the trolley; a front foot rod and a handlebar are pivotally connected to the inside of the shell seat in a locking manner; and a locking mechanism is arranged at the upper end of the rear foot rod and is used for locking the front foot rod and the handlebar. After the handlebar rotates at a first angle, the front foot rod is driven to rotate at a second angle, the handlebar can drive the front foot rod, so that the handlebar and the front foot rod can simultaneously approach the rear foot rod simultaneously, and the trolley can be folded. By using a simple and reliable mechanism, the angle of the handlebar which pivots to the rear foot rod is greater than the angle of the handlebar which pivots to the front foot rod, the assembly operation of the trolley can be simplified, and the durability of the trolley can be improved.
Description
Technical field
The utility model relates to a kind of handcart frame joint, is specifically related to a kind of handle stem that can make and drives front foot lever, and the two while is the handcart frame joint of foot lever pivotable backward.
Background technology
Conventionally handcart frame is when launching stationary state, angle and the angle between rear foot lever and handle stem between its front foot lever and rear foot lever are often also unequal, and the angle between most rear foot lever and handle stem is greater than the angle between front foot lever and rear foot lever in fact.
This cart style state, while causing folding handle stem backward the angle of foot lever pivotable be greater than the front foot lever angle of foot lever pivotable backward; Because the aforementioned angle of pivotable of answering is different, if want by foot lever before handle stem interlock, just need to arrange quite complicated transmission device, just can reach best collapse state.Because complicated transmission mechanism component must be how and tiny, except meeting increases the difficulty of assembling process, can reduce again the durable degree of product.
Utility model content
For addressing the above problem, the purpose of this utility model is to provide a kind of handcart frame joint.
A handcart frame joint, comprises that a shell block is fixed in a rear foot lever upper end of hand barrow, is lockably pivoted a front foot lever and a handle stem, and is provided with a lockout mechanism in order to foot lever before locking and handle stem in the upper end of rear foot lever in shell block.
Wherein, described shell block is provided with:
One first centring point is for foot lever before pivot joint;
One second centring point is for pivot joint handle stem; And
One linked component is articulated in the second centring point, and one end is with one first trunnion and handle stem pivot joint slidably, and the other end is with one second trunnion and the pivot joint slidably of front foot lever.
Preferably, the upper end of described front foot lever is provided with a front foot lever and connects iron plate, and being articulated in the first centring point by front foot lever connection iron plate, described front foot lever connection iron plate is provided with one first elongated slot and can penetrates for the second trunnion, and one first recess can block for lockout mechanism.
Preferably, the lower end of described handle stem is provided with a handle stem and connects iron plate, and by handle stem, connect iron plate and be articulated in the second centring point, described handle stem connects iron plate and is provided with one second elongated slot and can penetrates for the first trunnion, and one second recess can block for lockout mechanism.
Preferably, the groove that described the second elongated slot is an arc.
Described lockout mechanism comprises that one is subject to the door bolt part of spring-biased, utilizes an elastic parts to apply strength and clip forward foot in a step bar and handle stem automatically.
The described door bolt part of spring-biased that is subject to is pulled by a driver train and removes the clip to front foot lever and handle stem.
Preferably, described driver train and this are subject to the door bolt part of spring-biased by a moving part interlock.
Described driver train is operationally installed in rear foot lever.
Described driver train comprises a rod member, the door bolt part interlock that is subject to spring-biased that install with hand barrow arranged on left and right sides respectively at described rod member two ends.
Preferably, described driver train comprises that the continued access object of a flexibility is connected with rod member, by pulling flexible continued access Object Operations driver train.
Preferably, the continued access object of described flexibility is a ribbon, described ribbon from rod member extend to one be located at hand barrow seat above.
Handcart frame of the present utility model joint, by first allowing after handle stem rotates first paragraph angle, before driving, foot lever rotates second segment angle together again, foot lever before can allowing handle stem drive, make both finally be approached rear foot lever simultaneously and make hand barrow become the folding state of small size, therefore, when the utility model can solve folding with simple and reliable mechanism handle stem backward the angle of foot lever pivotable be greater than the problem of front foot lever, not only assembling operation can be simplified, and the durable degree of hand barrow product can be improved.
Accompanying drawing explanation
Fig. 1 is the application schematic diagram of handcart frame of the present utility model joint embodiment.
Fig. 2 is the diagram of work of handcart frame of the present utility model joint embodiment.
Fig. 3 is another diagram of work of handcart frame of the present utility model joint embodiment.
Fig. 4 is the blast block diagram of handcart frame of the present utility model joint embodiment.
Fig. 5 is the diagram of work of handcart frame of the present utility model joint embodiment when just unlocking.
Fig. 6 is the folding diagram of work of handcart frame of the present utility model joint embodiment.
Fig. 7 is the continuation folding diagram of work of handcart frame of the present utility model joint embodiment.
Fig. 8 is the schematic diagram of handcart frame of the present utility model joint embodiment when completing folding operation.
[primary clustering nomenclature]
| 1： | Handcart frame joint | 2： | Hand barrow |
| 3： | Rear foot lever | 4： | Front foot lever |
| 5： | Handle stem | 6： | Lockout mechanism |
| 7： | Linked component | 8： | Driver train |
| 11： | Shell block | 21： | Seat |
| 41： | Front foot lever connects iron plate | 51： | Handle stem connects iron plate |
| 61： | Be subject to the door bolt part of spring-biased | 62： | Elastic parts |
| 71： | The first trunnion | 72： | The second trunnion |
| 81： | Moving part | 82： | Rod member |
| 83： | Ribbon | 100： | Launch stationary state |
| 110： | The first centring point | 111： | The second centring point |
| 200： | Folding state | 410： | The first elongated slot |
| 420： | The first recess | 510： | The second elongated slot |
| 520： | The second recess | θ1： | First paragraph angle |
| θ2： | Second segment angle |
The specific embodiment
As shown in Figure 1 to Figure 3, the one handcart frame joint 1 of implementing according to the utility model, comprise that a shell block 11 is fixed in rear foot lever 3 upper ends of hand barrow 2, in shell block 11, be pivoted a front foot lever 4 and a handle stem 5, and in the upper end of rear foot lever 3, be provided with a lockout mechanism 6 in order to foot lever before locking 4 and handle stem 5, hand barrow 2 is maintained in an expansion stationary state 100.
Handcart frame of the present utility model joint, when lockout mechanism 6 unlocks, after handle stem 5 can first rotate a first paragraph angle θ 1, before driving, foot lever 4 rotates a second segment angle θ 2 together again, finally make both be approached rear foot lever 3 simultaneously, and make hand barrow 2 be become the folding state 200 of small volume.
Shell block 11 as shown in Figure 4, is provided with one first centring point 110, one second centring point 111 and a linked component 7.Wherein front foot lever 4 and handle stem 5 are articulated in the first centring point 110 and the second centring point 111 (thing of all being known by haveing the knack of the art person due to pivot or pin, therefore it will not go into details) by the assembly of pivot or pin and so on.Linked component 7 is articulated in the second centring point 111, and one end is with one first trunnion 71 and handle stem 5 pivot joint slidably, and the other end is with one second trunnion 72 and the pivot joint slidably of front foot lever 4.
Particularly, the front foot lever 4 of the present embodiment is established a front foot lever and is connected iron plate 41 in upper end, and be articulated in the first centring point 110 in shell block 11 by the iron plate 41 of foot lever connection before this, on front foot lever connection iron plate 41, being provided with one first elongated slot 410 can penetrate for the second trunnion 72, and one first recess 420 can block for lockout mechanism 6.
By snapping in the first elongated slot 410, moves along it the second trunnion 72, can make linked component 7 when rotating second segment angle θ 2 with handle stem 5, driven front foot lever to connect iron plate 41 and drive front foot lever 4 to play rotation with one, finally making handle stem 5 and front foot lever 4 be able to foot lever 3 closings backward simultaneously.
In like manner, in the lower end of handle stem 5, also can establish a handle stem and connect iron plate 51, and be articulated in the second centring point 111 in shell block 11 by handle stem connection iron plate 51, handle stem connection iron plate 51 is provided with one second elongated slot 510 and can penetrates for the first trunnion 71, and one second recess 520 can block for lockout mechanism 6.
The effect of the second elongated slot 510 is to allow that the first trunnion 71 penetrates and moves around along it.As shown in Fig. 5 to Fig. 8, when lockout mechanism 6 is removed clip, handle stem 5 can rotate first paragraph angle θ 1 along the second centring point 111, cause the first trunnion 71 can move on to from the first end of the second elongated slot 510 the second end, when the first trunnion 71 has arrived to the second end of the second elongated slot 510, while entering second segment angle θ 2 scope if handle stem 5 continues down to rotate again, the second elongated slot 510 that handle stem connects iron plate 51 will promote the first trunnion 71 and switch linked component 7, make the second trunnion 72 along the first elongated slot 410 move and before switch foot lever connect iron plate 41, make by this handle stem 5 and front foot lever 4 be able to foot lever 3 closings backward simultaneously.
For handle stem 5 can smoothly be rotated in first paragraph angle θ 1, avoid in the process of pivotable being hindered because friction occurs for the first trunnion 71 and the second elongated slot 510, the second elongated slot 510 can be embodied as wider straight shape groove, but be preferably embodied as the groove of one section of arc, the groove of the arc that second centring point 111 of for example take is the center of circle, to avoid the first trunnion 71 and the second elongated slot 510 to rub.
As shown in Figures 4 and 5, the lockout mechanism 6 of the present embodiment at least can comprise that one is subject to the door bolt part 61 of spring-biased, utilize an elastic parts 62 to apply strength and automatically clip in the first recess 420 of front foot lever 4 and the second recess 520 of handle stem 5, hand barrow 2 is maintained in an expansion stationary state 100.The door bolt part 61 that is subject to spring-biased is pulled by a driver train 8 and remove the clip to front foot lever 4 and handle stem 5.
Driver train 8 is operationally installed in rear foot lever 3, by a moving part 81 and door bolt part 61 interlocks that are subject to spring-biased.Better one, driver train 8 can comprise a rod member 82, door bolt part 61 interlocks that are subject to spring-biased that install with hand barrow 2 arranged on left and right sides respectively at the two ends that utilize rod member 82, and can make the handcart frame joint 1 that is installed in hand barrow 2 arranged on left and right sides remove clip simultaneously.
Better one, can on hand barrow 2, set up the continued access object of a flexibility, for example ribbon 83 is connected with rod member 82, allows the user can be by pulling ribbon 83 (the continued access object of flexibility) to operate driver train 8, use the clip of foot lever 4 and handle stem 5 before 6 pairs, mechanism of unlocking.
Ribbon 83 (flexible continued access object) can see through gap from the below of the seat 21 of hand barrow 2 and reach (because seat is not emphasis of the present utility model, therefore be shown in detail its structure) above seat 21.Design by this, just can move ribbon 83 to after allowing user have to notice must first passenger to be embraced on the chair 21 that disseats, to prevent the passenger on hand barrow 2 surprisingly to be pulled ribbon 83 and cause folding to get a fright from other positions by careless user.
Claims (11)
1. a handcart frame joint, it is characterized in that, comprise that a shell block is fixed in a rear foot lever upper end of hand barrow, is lockably pivoted a front foot lever and a handle stem in shell block, and in the upper end of rear foot lever, be provided with a lockout mechanism in order to foot lever before locking and handle stem, described shell block is provided with:
One first centring point is for foot lever before pivot joint;
One second centring point is for pivot joint handle stem; And
One linked component is articulated in the second centring point, and one end is with one first trunnion and handle stem pivot joint slidably, and the other end is with one second trunnion and the pivot joint slidably of front foot lever.
2. handcart frame according to claim 1 joint, it is characterized in that, the upper end of described front foot lever is provided with a front foot lever and connects iron plate, and be articulated in the first centring point by front foot lever connection iron plate, described front foot lever connection iron plate is provided with one first elongated slot and can penetrates for the second trunnion, and one first recess can block for lockout mechanism.
3. handcart frame according to claim 1 joint, it is characterized in that, the lower end of described handle stem is provided with a handle stem and connects iron plate, and by handle stem, connect iron plate and be articulated in the second centring point, described handle stem connection iron plate is provided with one second elongated slot and can penetrates for the first trunnion, and one second recess can block for lockout mechanism.
4. handcart frame according to claim 3 joint, is characterized in that, described the second elongated slot is the groove of an arc.
5. handcart frame according to claim 1 joint, is characterized in that, described lockout mechanism comprises that one is subject to the door bolt part of spring-biased, utilizes an elastic parts to apply strength and clip forward foot in a step bar and handle stem automatically.
6. handcart frame according to claim 5 joint, is characterized in that, described in be subject to the door bolt part of spring-biased pulled by a driver train and remove the clip to front foot lever and handle stem.
7. handcart frame according to claim 6 joint, is characterized in that, described driver train and this are subject to the door bolt part of spring-biased by a moving part interlock.
8. handcart frame according to claim 6 joint, is characterized in that, described driver train is operationally installed in rear foot lever.
9. handcart frame according to claim 6 joint, is characterized in that, described driver train comprises a rod member, the door bolt part interlock that is subject to spring-biased that install with hand barrow arranged on left and right sides respectively at described rod member two ends.
10. handcart frame according to claim 9 joint, is characterized in that, described driver train comprises that the continued access object of a flexibility is connected with rod member, by pulling flexible continued access Object Operations driver train.
11. handcart frame according to claim 10 joints, is characterized in that, the continued access object of described flexibility is a ribbon, described ribbon from rod member extend to one be located at hand barrow seat above.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420063793.7U CN203753214U (en) | 2014-02-13 | 2014-02-13 | Joint of frame of trolley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420063793.7U CN203753214U (en) | 2014-02-13 | 2014-02-13 | Joint of frame of trolley |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203753214U true CN203753214U (en) | 2014-08-06 |
Family
ID=51248518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420063793.7U Expired - Lifetime CN203753214U (en) | 2014-02-13 | 2014-02-13 | Joint of frame of trolley |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203753214U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105035146A (en) * | 2015-08-05 | 2015-11-11 | 苏州逗乐儿童用品有限公司 | Folding releasing joint and stroller |
| CN105523072A (en) * | 2015-11-18 | 2016-04-27 | 苏州逗乐儿童用品有限公司 | Folding device of baby carriage |
| US9637154B2 (en) | 2014-05-29 | 2017-05-02 | Britax Child Safety, Inc. | Hinge assembly for folding stroller |
| CN110901743A (en) * | 2018-09-14 | 2020-03-24 | 明门瑞士股份有限公司 | Foldable clamping seat and child stroller thereof |
| EP3998184A3 (en) * | 2016-04-13 | 2022-09-28 | Wonderland Switzerland AG | Child stroller apparatus |
-
2014
- 2014-02-13 CN CN201420063793.7U patent/CN203753214U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9637154B2 (en) | 2014-05-29 | 2017-05-02 | Britax Child Safety, Inc. | Hinge assembly for folding stroller |
| CN105035146A (en) * | 2015-08-05 | 2015-11-11 | 苏州逗乐儿童用品有限公司 | Folding releasing joint and stroller |
| CN105523072A (en) * | 2015-11-18 | 2016-04-27 | 苏州逗乐儿童用品有限公司 | Folding device of baby carriage |
| EP3998184A3 (en) * | 2016-04-13 | 2022-09-28 | Wonderland Switzerland AG | Child stroller apparatus |
| CN110901743A (en) * | 2018-09-14 | 2020-03-24 | 明门瑞士股份有限公司 | Foldable clamping seat and child stroller thereof |
| CN110901743B (en) * | 2018-09-14 | 2023-10-31 | 明门瑞士股份有限公司 | Foldable clamping seat and children's barrow thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 528414 No. 28 Kwai Hing Road, Dongsheng Town, Zhongshan, Guangdong Patentee after: DOREL JUVENILE (ZHONGSHAN) PRODUCT Co.,Ltd. Address before: 528414 No. 28 Kwai Hing Road, Dongsheng Town, Zhongshan, Guangdong Patentee before: Lerado (Zhong Shan) Industrial Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 528414 No. 28 Kwai Hing Road, Dongsheng Town, Zhongshan, Guangdong Patentee after: Zhongshan lemeida Baby Products Co.,Ltd. Address before: 528414 No. 28 Kwai Hing Road, Dongsheng Town, Zhongshan, Guangdong Patentee before: DOREL JUVENILE (ZHONGSHAN) PRODUCT Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210909 Address after: Room 307, building 1, No. 3203, Hongmei Road, Minhang District, Shanghai 201103 Patentee after: Shanghai Le Ruiying Ltd. Address before: 528414 No. 28 Kwai Hing Road, Dongsheng Town, Zhongshan, Guangdong Patentee before: Zhongshan lemeida Baby Products Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140806 |