CN203528554U - Foldable type foot treadle structure - Google Patents
Foldable type foot treadle structure Download PDFInfo
- Publication number
- CN203528554U CN203528554U CN201320510659.2U CN201320510659U CN203528554U CN 203528554 U CN203528554 U CN 203528554U CN 201320510659 U CN201320510659 U CN 201320510659U CN 203528554 U CN203528554 U CN 203528554U
- Authority
- CN
- China
- Prior art keywords
- stretcher
- connecting strap
- pedal plate
- support
- foot treadle
- 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
- 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
Images
Landscapes
- Handcart (AREA)
Abstract
The utility model relates to a foldable type foot treadle structure which is arranged on a carriage provided with front wheel supports and rear wheel supports. The rear wheel supports are connected with a bottom cross support formed by supporting frames. The foldable type foot treadle structure comprises a foldable foot treadle which comprises a foot treadle middle piece, two foot treadle connecting pieces and two foot treadle fixing pieces, wherein the two foot treadle connecting pieces are connected to the two ends of the foot treadle middle piece, and the two foot treadle fixing pieces are connected with the two foot pedal connecting pieces in a rotating mode respectively. The foldable type foot treadle can be in a folding state and in an unfolding state. In the folding state, the foot treadle fixing pieces, the foot treadle connecting pieces and the foot treadle middle piece are in an n shape, the foot treadle middle piece is located at the first position, and in the unfolding state, the foot treadle connecting pieces rotate to drive the foot treadle middle piece to move to the second position. Two pulling cables are connected to the bottom cross support, one ends of the pulling cables are connected with the supporting frames, and the other ends of the pulling cables are connected with the foot treadle connecting pieces. The pulling cables are adopted for driving the foldable type foot treadle to be kept in an unfolded state instead of being inwards folded, so that application of the carriage is convenient.
Description
Technical field
The utility model relates to a kind of collapsible foot pedal plate structure being applied on Foldable baby trolley.
Background technology
Existing Foldable baby trolley has folding vehicle frame conventionally, and for example the patent No. is the disclosed children trolley of 200920189361.X.Conventionally 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 is 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 utility model is to provide a kind of collapsible foot pedal plate structure of receiving in can avoid launching time.
For achieving the above object, the technical solution adopted in the utility model is:
A kind of collapsible foot pedal plate structure, be arranged in go-cart, described go-cart comprise a pair of front-wheel support of front-wheel is installed and trailing wheel is installed and with the pair of rear wheels support of the described corresponding connection of front-wheel support homonymy, described rear wheel support is connected with by two supports and is rotationally connected the end cross forming, described collapsible foot pedal plate structure comprises the folding pedal plate being arranged between a pair of described front-wheel support, described folding pedal plate comprises 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 stretcher connecting strap described in two respectively, stretcher fixed plate described in two is 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 to move to the second place along launching to turn to rotation, 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, on support described in two of described end cross, be connected with respectively and make described folding pedal plate by described folded state, be transferred to two trailing cables of described open mode, one 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 is connected of rotating of described stretcher connecting strap and described stretcher fixed plate is divided into described stretcher connecting strap near the connecting strap rear portion of described end cross and anterior away from the connecting strap of described end cross; It is anterior and away from the support rear portion of described folding pedal plate that the turning point being rotationally connected between support described in two of described end cross is divided into support near described folding pedal plate by described support; Between the anterior and described connecting strap front portion of the described support of homonymy, by the trailing cable described in, be connected.
Preferably, described trailing cable is connected in a side in the place ahead turning 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 ".
The utility model principle of work 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 one end of support is connected with rear wheel support, so time support the other end along with opening of end cross, rearward move, and pull back trailing cable.And trailing cable is connected with stretcher connecting strap and pull it to rotate along expansion direction, the rotation by stretcher connecting strap makes stretcher intermediate move to the direction of stretcher fixed plate, until reach open mode.Now, trailing cable tension also has draw to stretcher connecting strap, can prevent that stretcher connecting strap is to the counter-rotation of expansion direction, avoids receiving in Foldable pedal and causes front-wheel support not parallel.
Because technique scheme is used, the utility model compared with prior art has following advantages: the utility model adopts with the trailing cable of rear wheel support interlock and orders about Folding pedal plate development and maintain 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.
Accompanying drawing explanation
Accompanying drawing 1 is for adopting the schematic diagram of go-cart of the present utility model.
Accompanying drawing 2 is the schematic top plan view of a kind of collapsible foot pedal plate structure of the present utility model when folded state.
Accompanying drawing 3 is the schematic top plan view when open mode of a kind of collapsible foot pedal plate structure of the present utility model.
Accompanying drawing 4 is the A portion enlarged diagram of a kind of collapsible foot pedal plate structure of the present utility model.
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 utility model is 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 of 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 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 forming, 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.Collapsible foot pedal plate structure comprises the folding pedal plate 7 being 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 to move to the second place 12 along launching to turn to rotation, 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 in primary importance 11 and stretcher connecting strap 9 and stretcher fixed plate 10 are connected to approximate " one " font.
On two supports 6 of end cross 5, be connected with respectively and make folding pedal plate 7 by folded state, be transferred to two trailing cables 13 of open mode, one 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 stretcher connecting strap 9 near the connecting strap rear portion of end cross 5 with away from the connecting strap front portion of end cross 5.It is anterior and away from support 6 rear portions of folding pedal plate 7 that the turning point being rotationally connected between two supports 6 of end cross 5 is divided into support 6 near folding pedal plate 7 by support 6.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 turning to towards expansion on 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 go-cart right side of stretcher connecting strap 9(in Fig. 2 left side) when folding pedal plate 7 launches, it carries out clws rotation, its stretcher front portion is to the left side rotation 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 figure left side by launching to turn to rotation.In like manner, be arranged in the actual stretcher connecting strap 9 that should be 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 right side rotation 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 figure right side by launching to turn to rotation.
And on stretcher fixed plate 10, be also provided with positive stop 14, 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 one end of support 6 is connected with rear wheel support 3, so 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 that it is to the counter-rotation of expansion direction, if have external force F or F1 to act in the mechanisms such as front-wheel support 1, this external force is passed through after stretcher fixed plate 10, stretcher connecting strap 9, promote forward stretcher intermediate 8, the trend that stretcher intermediate 8 is had move forward and its have stretcher connecting strap 9 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, there is elastic deformation and put aside pre-torsion in this torsion spring 15.When Folding trolley, pair of rear wheels support 3 is mutually close, support 6 front portions that are connected with trailing cable 13 are moved forward, and then trailing cable 13 is unclamped 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 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 collapsible foot pedal plate structure, be arranged in go-cart, described go-cart comprise a pair of front-wheel support of front-wheel is installed and trailing wheel is installed and with the pair of rear wheels support of the described corresponding connection of front-wheel support homonymy, described rear wheel support is connected with by two supports and is rotationally connected the end cross forming, it is characterized in that: described collapsible foot pedal plate structure comprises the folding pedal plate being arranged between a pair of described front-wheel support, described folding pedal plate comprises 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 stretcher connecting strap described in two respectively, stretcher fixed plate described in two is 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 to move to the second place along launching to turn to rotation, 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, on support described in two of described end cross, be connected with respectively and drive described folding pedal plate by described folded state, to be transferred to two trailing cables of described open mode, one 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 described end cross and anterior away from the connecting strap of described end cross; It is anterior and away from the support rear portion of described folding pedal plate that the turning point being rotationally connected between support described in two of described end cross is divided into support near described folding pedal plate by described support; Between the anterior and described connecting strap front portion of the described support of homonymy, by the trailing cable described in, be connected.
3. a kind of collapsible foot pedal plate structure according to claim 2, is characterized in that: described trailing cable is connected in a side in the place ahead turning to towards described expansion on described connecting strap front portion.
4. according to a kind of collapsible foot pedal plate structure described in claim 1 or 2 or 3, 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, 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 |
|---|---|---|---|
| CN201320510659.2U CN203528554U (en) | 2013-08-21 | 2013-08-21 | Foldable type foot treadle structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320510659.2U CN203528554U (en) | 2013-08-21 | 2013-08-21 | Foldable type foot treadle structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203528554U true CN203528554U (en) | 2014-04-09 |
Family
ID=50414801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320510659.2U Expired - Lifetime CN203528554U (en) | 2013-08-21 | 2013-08-21 | Foldable type foot treadle structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203528554U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103448777A (en) * | 2013-08-21 | 2013-12-18 | 好孩子儿童用品有限公司 | Folding pedal structure |
| CN109846556A (en) * | 2019-01-02 | 2019-06-07 | 佳木斯大学 | A kind of surgical instrument cleaning-sterilizing storing unit |
-
2013
- 2013-08-21 CN CN201320510659.2U patent/CN203528554U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103448777A (en) * | 2013-08-21 | 2013-12-18 | 好孩子儿童用品有限公司 | Folding pedal structure |
| CN103448777B (en) * | 2013-08-21 | 2015-09-09 | 好孩子儿童用品有限公司 | A kind of collapsible foot pedal plate structure |
| CN109846556A (en) * | 2019-01-02 | 2019-06-07 | 佳木斯大学 | A kind of surgical instrument cleaning-sterilizing storing unit |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103158819A (en) | Folding vehicle frame | |
| CN203528554U (en) | Foldable type foot treadle structure | |
| CN205365921U (en) | Folding stroller | |
| CN203032741U (en) | Reversible and foldable stroller | |
| CN104290794B (en) | A kind of go-cart for double child and bracket assembly | |
| CN103448777B (en) | A kind of collapsible foot pedal plate structure | |
| CN202896639U (en) | Front wheel steering mechanism of baby stroller | |
| CN203318469U (en) | Folding baby carriage rack body | |
| CN204055906U (en) | A kind of go-cart for double child and bracket assembly | |
| CN104192190B (en) | Bi-directional foldable stroller | |
| CN202624516U (en) | Second-generation folding tricycle | |
| CN102700594B (en) | Multifunctional gravity self-lock baby carriage | |
| CN204432719U (en) | Folding children's go-cart | |
| CN206155526U (en) | Child stroller | |
| CN202624306U (en) | Foldable child cart | |
| CN102963410A (en) | Front wheel steering mechanism for baby stroller | |
| CN203698363U (en) | Baby stroller | |
| CN203528548U (en) | Foldable carriage | |
| CN202449031U (en) | Foldable stroller | |
| CN203864756U (en) | Child umbrella stroller | |
| CN203864748U (en) | Foldable stroller | |
| CN206171676U (en) | Collapsible reverse tricycle of high security | |
| CN206049908U (en) | Reverse tricycle | |
| CN201685853U (en) | Stroller | |
| CN206049909U (en) | Foldable reverse tricycle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140409 Effective date of abandoning: 20150909 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20140409 Effective date of abandoning: 20150909 |
|
| RGAV | Abandon patent right to avoid regrant |