CN103448777A - Folding pedal structure - Google Patents
Folding pedal structure Download PDFInfo
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- CN103448777A CN103448777A CN2013103656465A CN201310365646A CN103448777A CN 103448777 A CN103448777 A CN 103448777A CN 2013103656465 A CN2013103656465 A CN 2013103656465A CN 201310365646 A CN201310365646 A CN 201310365646A CN 103448777 A CN103448777 A CN 103448777A
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- stretcher
- connecting strap
- pedal plate
- pedal
- support
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- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
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Abstract
The invention relates to a folding pedal structure which is arranged on a cart comprising a front wheel support and a rear wheel support, wherein the rear wheel support is connected with a bottom cross brace formed by a strut. The folding pedal structure comprises a folding pedal, wherein the folding pedal comprises a pedal intermediate, two pedal connecting pieces and two pedal fixing pieces, wherein the two pedal connecting pieces are rotationally connected at two ends of the pedal intermediate; the two pedal fixing pieces are respectively rotationally connected with the two pedal connecting pieces. The folding pedal structure can be in a folding state and an unfolding state; in the folding state, the pedal fixing pieces, the pedal connecting pieces and the pedal intermediate are in a shape of Chinese character JI, and the pedal intermediate is at a first position; in the unfolding state, the pedal connecting pieces rotate to drive the pedal intermediate to move to a second position. Two traction cables are connected to the bottom cross brace; one end of each traction cable is connected with the strut; the other end of each traction cable is connected with the pedal connecting pieces. According to the folding pedal structure, the folding pedal is driven to be in the unfolding state and is not folded by the traction cables, so that the cart is convenient to use.
Description
Technical field
The present invention relates to a kind of collapsible foot pedal plate structure be applied on Foldable baby trolley.
Background technology
Existing Foldable baby trolley has folding vehicle frame usually, and for example the patent No. is the disclosed children trolley of 200920189361.X.Usually the pedal that the parts that setting is rotationally connected by polylith between two front-wheel support parts form.This pedal when vehicle frame folding in folded state, and vehicle frame during in deployed condition in deployed condition.Yet the defect that existing this folding pedal plate structure has is: when stretcher when deployed condition is used, stretcher is received in can be under the trend of a reply folded state, make two front-wheel supports not parallel, and then cause wheel to stick up the problem of pin and vehicle frame poor rigidity, for the use of this children trolley brings certain hidden danger.
Summary of the invention
The purpose of this invention is to provide a kind of collapsible foot pedal plate structure of receiving in can avoid launching the time.
For achieving the above object, the technical solution used in the present invention is:
A kind of collapsible foot pedal plate structure, be arranged in go-cart, described go-cart comprise a pair of front-wheel support that front-wheel is installed and trailing wheel is installed and with the pair of rear wheels support of the corresponding connection of described front-wheel support homonymy, described rear wheel support is connected with by two supports and is rotationally connected the end cross formed, described collapsible foot pedal plate structure comprises the folding pedal plate be arranged between a pair of described front-wheel support, described folding pedal plate comprises the stretcher intermediate, symmetrical and be rotationally connected with two stretcher connecting straps at described stretcher intermediate two ends respectively, two stretcher fixed plates that rotate and be connected with two described stretcher connecting straps respectively, two described stretcher fixed plates are fixedly installed on respectively on a pair of described front-wheel support, described stretcher intermediate, described stretcher connecting strap, described stretcher fixed plate relatively rotates in horizontal surface, described folding pedal plate has folded state and open mode, under described folded state, described stretcher fixed plate, described stretcher connecting strap, described stretcher intermediate is " several " font and described stretcher intermediate in primary importance, under described open mode, described stretcher connecting strap drives described stretcher intermediate along launching to turn to rotation and moves to the second place, distance between described primary importance and described stretcher fixed plate is greater than the distance between the described second place and described stretcher fixed plate, be connected with respectively on two described supports of cross of the described end and make described folding pedal plate be transferred to two trailing cables of described open mode by described folded state, an end of described trailing cable is connected with described support, the other end is connected with described stretcher connecting strap.
Preferably, the turning point that described stretcher connecting strap is connected with rotating of described stretcher fixed plate is divided into described stretcher connecting strap near the connecting strap rear portion of cross of the described end with away from the connecting strap front portion of cross of the described end; The turning point be rotationally connected between two described supports of cross of the described end is divided into described support anterior near the support of described folding pedal plate and away from the support rear portion of described folding pedal plate; At the described support of homonymy, between anterior and described connecting strap front portion, by a described trailing cable, be connected.
Preferably, described trailing cable is connected in a side in the place ahead turned to towards described expansion on described connecting strap front portion.
Preferably, when described folding pedal plate is described folded state, described stretcher intermediate is positioned at the rear of described stretcher fixed plate.
Preferably, on described stretcher fixed plate, be provided with positive stop, when described folding pedal plate is described open mode, described stretcher connecting strap turns to turn to along described expansion and is against on described positive stop.
Preferably, the turning point place between described stretcher fixed plate and described stretcher intermediate is provided with torsion spring.
'fornt', 'back' described in the application refers to that, when go-cart is positioned on ground, the direction at its front-wheel place is " front ", and the direction at its trailing wheel place is " afterwards ".
Principle of work of the present invention is: when opening go-cart in folded state to open mode, the rear wheel support of the go-cart left and right sides mutually away from, thereby two supports that drive end cross rotate around it the turning point rotation of connection, because an end of support is connected with rear wheel support, so the time support the other end along with opening of end cross, rearward move, and pull back trailing cable.And trailing cable is connected with the stretcher connecting strap and pull it to rotate along expansion direction, the rotation by the stretcher connecting strap makes the stretcher intermediate move to the direction of stretcher fixed plate, until reach open mode.Now, trailing cable tension also has draw to the stretcher connecting strap, can prevent the counter-rotation of stretcher connecting strap to expansion direction, avoids receiving in Foldable pedal and causes front-wheel support not parallel.
Because technique scheme is used, the present invention compared with prior art has following advantages: the trailing cable of employing of the present invention and rear wheel support interlock orders about the Folding pedal plate development and maintains deployed condition, can make the folding pedal plate under deployed condition maintain deployed condition and receive not, and then avoid that the front-wheel support that brings due to the interior receipts of Foldable pedal is not parallel, wheel sticks up the problems such as pin, vehicle frame poor rigidity, be convenient to the application of go-cart.
The accompanying drawing explanation
Accompanying drawing 1 is for adopting the schematic diagram of go-cart of the present invention.
Accompanying drawing 2 is the schematic top plan view of a kind of collapsible foot pedal plate structure of the present invention when folded state.
The schematic top plan view when open mode that accompanying drawing 3 is a kind of collapsible foot pedal plate structure of the present invention.
The A section enlarged diagram that accompanying drawing 4 is a kind of collapsible foot pedal plate structure of the present invention.
In above accompanying drawing: 1, front-wheel support; 2, front-wheel; 3, rear wheel support; 4, trailing wheel; 5, end cross; 6, support; 7, folding pedal plate; 8, stretcher intermediate; 9, stretcher connecting strap; 10, stretcher fixed plate; 11, primary importance; 12, the second place; 13, trailing cable; 14, positive stop; 15, torsion spring.
The specific embodiment
Below in conjunction with embodiment shown in the drawings, the invention will be further described.
Embodiment mono-: a kind of collapsible foot pedal plate structure is arranged in go-cart, as shown in Figure 1.Go-cart comprise a pair of front-wheel support 1 that front-wheel 2 is installed and trailing wheel 4 is installed and with the pair of rear wheels support 3 of the corresponding connection of front-wheel support 1 homonymy.This go-cart has the front, rear, left and right four direction, direction near front-wheel 2 is " front ", direction near trailing wheel 4 is " afterwards ", and while facing go-cart the place ahead, the direction in the left side of go-cart is " left side ", and the direction on the right side of go-cart is " right side ", therefore 3 of above-mentioned front-wheel support 1 and rear wheel supports, the front-wheel support 1 in go-cart left side is connected with rear wheel support 3, and the front-wheel support 1 on go-cart right side is connected with rear wheel support 3.Rear wheel support 3 is connected with by two supports 6 and is rotationally connected the end cross 5 formed, and the rear end of these two supports 6 is fixedly connected with the rear wheel support 3 of both sides respectively, when support 6 relatively rotates, pair of rear wheels support 3 on left and right directions mutually near or away from.
As shown in Figures 2 and 3.The collapsible foot pedal plate structure comprises the folding pedal plate 7 be arranged between a pair of front-wheel support 1.Folding pedal plate 7 comprises stretcher intermediate 8, symmetrical and be rotationally connected with two stretcher connecting straps 9 at stretcher intermediate 8 two ends respectively, two stretcher fixed plates 10 that rotate and be connected with two stretcher connecting straps 9 respectively, two stretcher fixed plates 10 are fixedly installed on a pair of front-wheel support 1 by rivet respectively, and between stretcher intermediate 8 and stretcher connecting strap 9, between stretcher connecting strap 9 and stretcher fixed plate 10 respectively by the rivet connection that rotates, and stretcher intermediate 8, stretcher connecting strap 9, stretcher fixed plate 10 relatively rotates in horizontal surface.Folding pedal plate 7 has folded state and open mode.Under folded state, stretcher fixed plate 10, stretcher connecting strap 9, stretcher intermediate 8 are " several " font and stretcher intermediate 8 in primary importance 11.Preferred scheme is that stretcher intermediate 8 is positioned at the rear of stretcher fixed plate 10 and the axial line of the two parallels.And, under open mode, stretcher connecting strap 9 drives stretcher intermediate 8 along launching to turn to rotation and moves to the second place 12, the distance between primary importance 11 and stretcher fixed plate 10 is greater than the distance between the second place 12 and stretcher fixed plate 10.Preferred scheme is that the stretcher intermediate 8 on primary importance 11 and stretcher connecting strap 9 and stretcher fixed plate 10 are connected to approximate " one " font.
Be connected with respectively on two supports 6 of end cross 5 and make folding pedal plate 7 be transferred to two trailing cables 13 of open mode by folded state, an end of trailing cable 13 is connected with support 6, the other end is connected with stretcher connecting strap 9.Concrete, the turning point that stretcher connecting strap 9 is connected with rotating of stretcher fixed plate 10 is divided into the connecting strap rear portion of cross of the close end 5 by stretcher connecting strap 9 and away from the connecting strap front portion of end cross 5.The turning point be rotationally connected between two supports 6 of end cross 5 is divided into support 6 anterior near the support 6 of folding pedal plate 7 and away from support 6 rear portions of folding pedal plate 7.Be positioned at homonymy, with left side or with being connected by a trailing cable 13 between support 6 front portions on right side and connecting strap front portion, this trailing cable 13 is connected in a side in the place ahead turned to towards expansion on the connecting strap front portion, be stretcher connecting strap 9 by launching to turn to while rotating, anterior that side that will turn to of its connecting strap.By reference to the accompanying drawings 2, be arranged in the actual stretcher connecting strap 9 that should be the go-cart right side of stretcher connecting strap 9(in Fig. 2 left side) when folding pedal plate 7 launches, it carries out the clws rotation, its stretcher front portion is to the rotation of the left side in figure, therefore trailing cable 13 is connected to the left side of this stretcher front portion, to pull this stretcher connecting strap 9 that is arranged in the figure left side by launching to turn to rotation.In like manner, be arranged in the actual stretcher connecting strap 9 that should be the go-cart left side of stretcher connecting strap 9(on Fig. 2 right side) when folding pedal plate 7 launches, it carries out the rotation of conter clockwise, its stretcher front portion is to the rotation of the right side in figure, therefore trailing cable 13 is connected to the right side of this stretcher front portion, to pull this stretcher connecting strap 9 that is arranged in the figure right side by launching to turn to rotation.
And also be provided with positive stop 14 on stretcher fixed plate 10, when folding pedal plate 7 is open mode, stretcher connecting strap 9 turns to turn to along expansion and is against on positive stop 14.
Therefore above-mentioned folding pedal plate 7 is as follows in the process that is entered open mode by folded state: the rear wheel support 3 of the go-cart left and right sides mutually away from, thereby two supports 6 that drive end cross 5 rotate around it the turning point rotation of connection, because an end of support 6 is connected with rear wheel support 3, so the time support 6 the other end along with opening of end cross 5, rearward move, and pull back trailing cable 13.And trailing cable 13 is connected with stretcher connecting strap 9 and pull it to rotate along expansion direction, rotation by stretcher connecting strap 9 makes stretcher intermediate 8, and by primary importance 11, the direction to stretcher fixed plate 10 moves, until stretcher connecting strap 9 is while being against on positive stop 14, stretcher intermediate 8 reaches the second place 12, make approximate " one " font of reaching of stretcher fixed plate 10, stretcher connecting strap 9 and stretcher intermediate 8, thereby make folding pedal plate 7 reach open mode.Now, as shown in Figure 3, trailing cable 13 tension stretcher connecting straps 9 prevent its counter-rotation to expansion direction, if have external force F or F1 to act in the mechanisms such as front-wheel support 1, after this external force is passed through stretcher fixed plate 10, stretcher connecting strap 9, promote forward stretcher intermediate 8, the trend that makes stretcher intermediate 8 have to move forward and its make stretcher connecting strap 9 have to continue the trend of rotating along its expansion direction, thereby make External Force Acting on positive stop 14.14 of positive stops can avoid stretcher connecting strap 9 to be rotated further, thereby have strengthened the rigidity of folding pedal plate 7.
In the present embodiment, the turning point place between stretcher fixed plate 10 and stretcher intermediate 8 is provided with torsion spring 15, shown in accompanying drawing 4.When unfolded stretcher 7, when stretcher connecting strap 9 is along its expansion direction rotation, elastic deformation occurs and puts aside pre-torsion in this torsion spring 15.When Folding trolley, pair of rear wheels support 3 is mutually close, make support 6 front portions that are connected with trailing cable 13 move forward, and then make trailing cable 13 unclamp and lose the pulling force to stretcher connecting strap 9, therefore under the effect of the pre-torsion of torsion spring 15, reversing sense (being direction shown in arrow in Fig. 4) to expansion direction rotates and discharges pre-torsion, thereby can realize folding pedal plate 7 conversion to folded state by open mode.
Above-described embodiment is only explanation technical conceive of the present invention and characteristics, and its purpose is to allow the person skilled in the art can understand content of the present invention and implement according to this, can not limit the scope of the invention with this.All equivalences that Spirit Essence is done according to the present invention change or modify, within all should being encompassed in protection scope of the present invention.
Claims (6)
1. a collapsible foot pedal plate structure, be arranged in go-cart, described go-cart comprise a pair of front-wheel support that front-wheel is installed and trailing wheel is installed and with the pair of rear wheels support of the corresponding connection of described front-wheel support homonymy, described rear wheel support is connected with by two supports and is rotationally connected the end cross formed, it is characterized in that: described collapsible foot pedal plate structure comprises the folding pedal plate be arranged between a pair of described front-wheel support, described folding pedal plate comprises the stretcher intermediate, symmetrical and be rotationally connected with two stretcher connecting straps at described stretcher intermediate two ends respectively, two stretcher fixed plates that rotate and be connected with two described stretcher connecting straps respectively, two described stretcher fixed plates are fixedly installed on respectively on a pair of described front-wheel support, described stretcher intermediate, described stretcher connecting strap, described stretcher fixed plate relatively rotates in horizontal surface, described folding pedal plate has folded state and open mode, under described folded state, described stretcher fixed plate, described stretcher connecting strap, described stretcher intermediate is " several " font and described stretcher intermediate in primary importance, under described open mode, described stretcher connecting strap drives described stretcher intermediate along launching to turn to rotation and moves to the second place, distance between described primary importance and described stretcher fixed plate is greater than the distance between the described second place and described stretcher fixed plate, be connected with respectively on two described supports of cross of the described end and drive described folding pedal plate to be transferred to two trailing cables of described open mode by described folded state, an end of described trailing cable is connected with described support, the other end is connected with described stretcher connecting strap.
2. a kind of collapsible foot pedal plate structure according to claim 1 is characterized in that: the turning point that described stretcher connecting strap is connected with rotating of described stretcher fixed plate is divided into described stretcher connecting strap near the connecting strap rear portion of cross of the described end with away from the connecting strap front portion of cross of the described end; The turning point be rotationally connected between two described supports of cross of the described end is divided into described support anterior near the support of described folding pedal plate and away from the support rear portion of described folding pedal plate; At the described support of homonymy, between anterior and described connecting strap front portion, by a described trailing cable, be connected.
3. a kind of collapsible foot pedal plate structure according to claim 2, it is characterized in that: described trailing cable is connected in a side in the place ahead turned to towards described expansion on described connecting strap front portion.
4. according to claim 1 or 2 or 3 described a kind of collapsible foot pedal plate structures, it is characterized in that: when described folding pedal plate is described folded state, described stretcher intermediate is positioned at the rear of described stretcher fixed plate.
5. a kind of collapsible foot pedal plate structure according to claim 1, it is characterized in that: on described stretcher fixed plate, be provided with positive stop, when described folding pedal plate is described open mode, described stretcher connecting strap turns to turn to along described expansion and is against on described positive stop.
6. a kind of collapsible foot pedal plate structure according to claim 1, it is characterized in that: the turning point place between described stretcher fixed plate and described stretcher intermediate is provided with torsion spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310365646.5A CN103448777B (en) | 2013-08-21 | 2013-08-21 | A kind of collapsible foot pedal plate structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310365646.5A CN103448777B (en) | 2013-08-21 | 2013-08-21 | A kind of collapsible foot pedal plate structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103448777A true CN103448777A (en) | 2013-12-18 |
| CN103448777B CN103448777B (en) | 2015-09-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310365646.5A Active CN103448777B (en) | 2013-08-21 | 2013-08-21 | A kind of collapsible foot pedal plate structure |
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| Country | Link |
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| CN (1) | CN103448777B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114272030A (en) * | 2021-11-30 | 2022-04-05 | 浙江孚邦科技有限公司 | Wheelchair pedal folding mechanism |
| CN114906201A (en) * | 2022-03-04 | 2022-08-16 | 好孩子儿童用品有限公司 | Folding cart |
| CN115316817A (en) * | 2022-08-09 | 2022-11-11 | 好孩子儿童用品有限公司 | Children seat bag |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5181735A (en) * | 1991-01-11 | 1993-01-26 | Aprica Kassai Kabushikikaisha | Foldaway baby carriage and folding mechanism employed therein |
| CN1136910A (en) * | 1994-11-25 | 1996-12-04 | 康碧株式会社 | Collapsible seating apparatus |
| CN2550232Y (en) * | 2002-05-13 | 2003-05-14 | 中山隆顺日用制品有限公司 | Safety lock structure of baby cart |
| CN2774883Y (en) * | 2005-03-14 | 2006-04-26 | 勋立儿童用品(深圳)有限公司 | Folding structure by child cart driving and tracting |
| CN102963411A (en) * | 2007-02-19 | 2013-03-13 | 索利产业公司 | Stroller |
| CN203528554U (en) * | 2013-08-21 | 2014-04-09 | 好孩子儿童用品有限公司 | Foldable type foot treadle structure |
-
2013
- 2013-08-21 CN CN201310365646.5A patent/CN103448777B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5181735A (en) * | 1991-01-11 | 1993-01-26 | Aprica Kassai Kabushikikaisha | Foldaway baby carriage and folding mechanism employed therein |
| CN1136910A (en) * | 1994-11-25 | 1996-12-04 | 康碧株式会社 | Collapsible seating apparatus |
| CN2550232Y (en) * | 2002-05-13 | 2003-05-14 | 中山隆顺日用制品有限公司 | Safety lock structure of baby cart |
| CN2774883Y (en) * | 2005-03-14 | 2006-04-26 | 勋立儿童用品(深圳)有限公司 | Folding structure by child cart driving and tracting |
| CN102963411A (en) * | 2007-02-19 | 2013-03-13 | 索利产业公司 | Stroller |
| CN203528554U (en) * | 2013-08-21 | 2014-04-09 | 好孩子儿童用品有限公司 | Foldable type foot treadle structure |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114272030A (en) * | 2021-11-30 | 2022-04-05 | 浙江孚邦科技有限公司 | Wheelchair pedal folding mechanism |
| CN114272030B (en) * | 2021-11-30 | 2024-03-12 | 浙江孚邦科技有限公司 | Wheelchair pedal folding mechanism |
| CN114906201A (en) * | 2022-03-04 | 2022-08-16 | 好孩子儿童用品有限公司 | Folding cart |
| CN115316817A (en) * | 2022-08-09 | 2022-11-11 | 好孩子儿童用品有限公司 | Children seat bag |
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| Publication number | Publication date |
|---|---|
| CN103448777B (en) | 2015-09-09 |
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