CN203439081U - Foldable stroller - Google Patents
Foldable stroller Download PDFInfo
- Publication number
- CN203439081U CN203439081U CN201320488355.0U CN201320488355U CN203439081U CN 203439081 U CN203439081 U CN 203439081U CN 201320488355 U CN201320488355 U CN 201320488355U CN 203439081 U CN203439081 U CN 203439081U
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- Prior art keywords
- bar
- seat
- rear wheel
- wheel support
- backrest adjustment
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- 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
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- 230000001105 regulatory effect Effects 0.000 claims description 28
- 230000000694 effects Effects 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 238000009434 installation Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
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Abstract
The utility model provides a foldable stroller, which comprises a stroller frame, wherein the stroller frame comprises a front wheel bracket, a push rod, a rear wheel bracket, a seat rod, a backrest rod, a movable rod, a backrest adjusting base, a backrest rod adjusting block and a limiting mechanism, wherein the upper end part of the movable rod is rotatably connected to the push rod, and the lower end part is connected with the rear wheel bracket in a relatively sliding manner; one end part of the backrest adjusting base is rotatably connected to the rear wheel bracket and extends toward the direction of the backrest rod, and the backrest adjusting base is provided with a first limiting groove and a second limiting groove; the backrest rod adjusting block is rotatably connected to the backrest rod; the limiting mechanism is arranged between the rear wheel bracket and the backrest rod adjusting base, and is used for limiting the angle that the backrest adjusting base rotates relative to the rear wheel bracket; and when under a first working position, the backrest rod adjusting block is arranged in the first limiting groove, when under a second working position, the backrest rod adjusting base rotates upwardly under the action of the limiting mechanism, and the backrest rod adjusting block is separated from the first limiting groove and slides into the second limiting groove. The foldable stroller has the advantages of simple structure, small occupied space after folding, and convenient carrying.
Description
Technical field
the utility model relates to a kind of folding children's barrow.
Background technology
now, children trolley almost become in each baby's developmental process the equipment that must be equipped with, the children trolley of various structure abrim on current market, collapsible is design considerations main in children trolley, so that children trolley is easy to carry, folding rear placement space is little.In the prior art, folding be substantially each rod member by being rotationally connected mutually draw close realize, but in folding process, there are some problems, such as, backrest can partly be shouldered extremely with cross, between rod member, mutually conflict etc., thereby cause folding up hard and folding effect is bad, affect user and operate.
Summary of the invention
for overcoming the problems referred to above of the prior art, the utility model provides a kind of folding children's barrow, it makes the back support bar and other rod members in go-cart folding process can be mutually not even at the cost of one's life by backrest adjustment seat structure, folding convenient, laborsaving, after folding, take up space little, and processing is simple, applicability is strong.
the technical solution adopted in the utility model is: folding children's barrow, comprise the vehicle frame with deployed condition and folded state, vehicle frame comprise bottom install the front-wheel support of front-wheel, with front-wheel support rotate rear wheel support, leading section and the front-wheel support of the push rod that is connected, bottom installation trailing wheel rotate the bar that is connected,, bottom is connected to the back support bar of a bar rotationally, and go-cart vehicle frame also comprises:
portable bar, its upper end is connected to push rod rotationally, and bottom can be connected with rear wheel support relative sliding, and the seat rearward end of bar and the bottom of portable bar rotate and are connected;
backrest adjustment seat, one end is connected to rear wheel support rotationally by a rotating shaft, and extend towards back support bar direction this end certainly, in backrest adjustment seat, offer draw-in groove, draw-in groove comprises the first position-limited trough that is positioned at its end away from rear wheel support and the second position-limited trough that is positioned at its end near rear wheel support, and the first position-limited trough and the second position-limited trough are partly connected by draw-in groove between the two;
back support bar regulating block, it is arranged in back support bar, back support bar regulating block is inserted in draw-in groove movably, and back support bar regulating block at least can be located respectively in the first position-limited trough and the second position-limited trough, back support bar is being pulled relative to a seat bar and is rotating relative to the slip of draw-in groove by back support bar regulating block; ;
be arranged between rear wheel support and backrest adjustment seat stop gear, the angle that it rotates relative to rear wheel support for limiting backrest adjustment seat;
wherein,
back support bar has two control positioies, under the first control position, back support bar regulating block is positioned at the first position-limited trough, vehicle frame is in deployed condition, under the second control position, backrest adjustment seat rotates up under the effect of stop gear, and back support bar regulating block departs from the first position-limited trough, and slide in the second position-limited trough, vehicle frame is in folded state.
further, stop gear comprises:
be fixedly installed on the shelves pin on rear wheel support;
seat bar side connecting rod, one end is connected to rear wheel support rotationally by rotating shaft, on this end, also offer a deep-slotted chip breaker, the center of circle of the arc of deep-slotted chip breaker is on the line of centers of rotating shaft, the other end is connected to the position at the cardinal principle middle part of a bar rotationally, backrest adjustment seat is offering groove near on the end of rear wheel support, after the deep-slotted chip breaker of shelves pin through seat bar side connecting rod, inserts in groove.
preferably, go-cart vehicle frame also comprises the sliding shoe being fixedly installed on portable bar bottom, and the rearward end of seat bar is connected to this sliding shoe rotationally.That is, the rearward end of seat bar is connected with rear wheel support rotationally by this sliding shoe.
further, go-cart vehicle frame also comprises the backrest adjustment seat permanent seat being fixedly installed on rear wheel support, and an end of backrest adjustment seat is connected to backrest adjustment seat permanent seat rotationally.
further, between backrest adjustment seat and backrest adjustment seat permanent seat, be also provided with a torsion spring that is used to backrest adjustment seat that downward power is provided.
again further, children trolley also comprises the seat bar contiguous block being fixedly installed on present bar, and the other end of seat bar side connecting rod is connected with seat bar rotationally by seat bar contiguous block, and the bottom of back support bar is also connected with seat bar rotationally by seat bar contiguous block.
preferably, offer along its length groove on the bottom of rear wheel support, the bottom of portable bar can slide up and down to be arranged in this groove.
further, rear wheel support, portable bar, seat bar, back support bar, backrest adjustment seat, stop gear and sliding shoe have respectively two, are arranged in separately the both sides of go-cart vehicle frame.
compared with prior art, the present invention has following advantages: the utility model has adopted a kind of novel folding design, the portable bar that utilization can be slided on rear wheel support drives seat bar, the rotation of back support bar, be rotatably connected on rear wheel support backrest adjustment seat further the position of back support bar is played and is regulated and restriction, folding process is laborsaving, convenient, backrest can not shouldered dead with cross part mutually, when folding, slide control piece set in back support bar discharges from the first position-limited trough in the draw-in groove of backrest adjustment seat, and slide until after having folded along draw-in groove, be stuck in the second position-limited trough in this draw-in groove, simultaneously, back support bar is drawn close to rear wheel support, finally fold.Children trolley of the present utility model is folded up more convenient, time saving and energy saving, is convenient to user's operation, and practicality is stronger.
Accompanying drawing explanation
fig. 1 is the vehicle frame of children trolley of the present utility model schematic diagram when deployed condition;
fig. 2 is the local enlarged diagram of the vehicle frame of the children trolley shown in Fig. 1;
fig. 3 is the schematic diagram of the stop gear of children trolley of the present utility model;
fig. 4 is the vehicle frame of children trolley of the present utility model schematic diagram in folding process;
fig. 5 is the schematic diagram of the vehicle frame of children trolley of the present utility model stop gear in folding process;
fig. 6 is the schematic diagram of the vehicle frame of children trolley of the present utility model in folded state;
fig. 7 is the schematic diagram of the vehicle frame of children trolley of the present utility model stop gear when folded state;
fig. 8 is the schematic diagram of the backrest adjustment seat of children trolley of the present utility model.
in figure: 1, backrest adjustment seat; 2, backrest adjustment seat permanent seat; 3, seat bar side chain bar; 4, back support bar regulating block; 5, shelves pin; 6, rotating shaft; 7, back support bar; 8, rear wheel support; 9, sliding shoe; 10, seat bar; 11, contiguous block; 12, portable bar; 13, the first screw; 14, the first pin; 15, the second pin; 16, the 3rd pin; 17, the 4th pin; 18, the 5th pin; 19, groove; 20 draw-in grooves; 201, the first position-limited trough; 202, the second position-limited trough; 21, deep-slotted chip breaker; 22, torsion spring; 23, push rod.
The specific embodiment
below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in detail, thereby so that advantage of the present utility model and feature are easier to be it will be appreciated by those skilled in the art that protection scope of the present invention is made and more removed clear and definite defining.
a kind of folding children's barrow, comprise the vehicle frame with deployed condition and folded state, vehicle frame comprise bottom install the front-wheel support of front-wheel, with front-wheel support the rotate push rod 23 being connected, the rear wheel support 8 of bottom installation trailing wheel, the bar 10 that leading section rotates and is connected with front-wheel support, bottom is connected to the back support bar 7 of a bar 10 rotationally, and go-cart vehicle frame also comprises:
back support bar regulating block 4, it is rotationally connected and is arranged in back support bar 7, back support bar regulating block 4 is inserted in draw-in groove 20 movably, and back support bar regulating block 4 at least can be located respectively in the first position-limited trough 201 and the second position-limited trough 202, back support bar 7 is being pulled relative to a seat bar 10 and is rotating relative to the slip of draw-in groove 20 by back support bar regulating block 4;
be arranged on the stop gear between rear wheel support 8 and backrest adjustment seat, the angle that it rotates relative to rear wheel support 8 for limiting backrest adjustment seat 1;
wherein, back support bar has two control positioies, under the first control position, back support bar regulating block 4 is positioned at the first position-limited trough 201, and vehicle frame is in deployed condition, under the second control position, backrest adjustment seat 1 rotates up under the effect of stop gear, back support bar regulating block 4 departs from the first position-limited trough 201, and slides in the second position-limited trough 202, and vehicle frame is in folded state.
in the present embodiment, particularly:
stop gear comprises the shelves pin 5 being fixedly installed on rear wheel support 8, and this grade of pin 5 is fixedly installed on rear wheel support permanent seat 2.Stop gear also comprises a bar side connecting rod 3, one end is also connected to rear wheel support 8 rotationally by rotating shaft 6, rotating shaft 6 is pin, on this end, also offer a deep-slotted chip breaker 21, the center of circle of the arc of deep-slotted chip breaker 21 is on the line of centers of rotating shaft 6, the other end is connected to the position at the cardinal principle middle part of a bar 10 rotationally, and backrest adjustment seat 1 is offering groove 19 near on the end of rear wheel support 8, in the rear insertion groove 19 of deep-slotted chip breaker 21 of shelves pin 5 through seat bar side connecting rod 3.That is, an end of an end of backrest adjustment seat 1 and seat bar side connecting rod 3 is all connected on the backrest adjustment seat permanent seat 2 on described rear wheel support 8 rotationally by rotating shaft pin 6.Certainly; stop gear is mainly used for limiting the angle that backrest adjustment seat 1 is rotated up and down relative to rear wheel support 8; to be mainly in order further the position of back support bar 7 being limited, as long as can reach the stop gear of this kind of object, all should to be encompassed in protection domain of the present utility model.
children trolley also comprises the seat bar contiguous block 11 being fixedly installed on present bar 10, and the other end of seat bar side connecting rod 3 is connected with seat bar 10 rotationally by seat bar contiguous block 11, and the bottom of back support bar 7 is also connected with seat bar 10 rotationally by seat bar contiguous block 11.
draw-in groove 20 in backrest adjustment seat 1 has the first relative side surface and the second side surface, the first side surface is for sliding thereon at vehicle frame folding process back support bar regulating block 4, the second side surface is for carrying out spacing to back support bar regulating block 4 at vehicle frame during in folding or deployed condition, the first position-limited trough 201 and the second position-limited trough 202 compartment of terrains are located on this second side surface, for carrying out spacing to back support bar regulating block 4.
in the present embodiment, backrest adjustment seat permanent seat 2 is fixed on rear wheel support 8 by pin 6, and one end portion of an end of backrest adjustment seat 1 and seat bar side connecting rod 3 is connected to backrest adjustment seat permanent seat 2 rotationally by pin 6 respectively.Sliding shoe 9 is fixed on the bottom of portable bar 12 by the first screw 13, the rearward end of seat bar 10 is connected to sliding shoe 9 rotationally by the first pin 14, contiguous block 11 is by the fixing present bar 10 of the 3rd pin 16, the other end of seat bar side connecting rod 3 is rotationally connected to the position at seat bar 10 cardinal principle middle parts by the second pin 15, herein, the other end of seat bar side connecting rod 3 is connected to contiguous block 11 by the second pin 15, thereby with rotate and be connected with seat bar 10, the bottom of back support bar 7 is rotationally connected to contiguous block 11 by the 4th pin 17, extend towards the direction of push rod 23 on the top of back support bar, back support bar regulating block 4 is rotatably connected in back support bar 7 by the 5th pin 18.
when vehicle frame is during in deployed condition, back support bar 7 is under the first control position, the back support bar regulating block 4 being rotationally connected in back support bar 7 is positioned at the first position-limited trough 201 of backrest adjustment seat 1 and is located in this, and one end of shelves pin 5 deep-slotted chip breakers 21 from seat bar side connecting rod 3 that are fixedly installed on backrest adjustment seat permanent seat 2 is passed and inserted in the groove 19 backrest adjustment seat 1, when vehicle frame is in folding process, push rod 23 is urged downwardly, the bottom of portable bar 12 drives sliding shoe 9 to move down in the groove of rear wheel support 8, the rearward end of seat bar 10 is also along with sliding shoe 9 down slidings, also moving down with seat bar 10 end being connected that rotates of seat bar side connecting rod 3, the end that is provided with deep-slotted chip breaker 21 has the trend rotating, shelves pin 5 is moved to the other end deep-slotted chip breaker 21 is interior, simultaneously, shelves pin 5 is by the rotational angle of the groove 19 restriction backrest adjustment seats in backrest adjustment seat 1, force backrest adjustment seat 1 to there is the trend of upwards rotating, the bottom of back support bar 7 moves down along with moving down of seat bar 10, in back support bar 7, rotate the first position-limited trough 201 of the draw-in groove 20 in the back support bar regulating block 4 disengaging backrest adjustment seats 1 that arrange, and arrive and along the first smooth side surface down sliding of the cardinal principle of draw-in groove 20, wherein back support bar 7 is being pulled relative to a seat bar 10 and is rotating relative to the slip of draw-in groove by backrest regulating block 4, until back support bar regulating block 4 enters in the second position-limited trough 202 and is limited in this, , on the second side surface in draw-in groove 20, set block has formed first, the second position-limited trough, back support bar 7 for the vehicle frame to when folding or the deployed condition is carried out spacing, back support bar 7 is under the second control position, vehicle frame is in folded state, shelves pin 5 is positioned at the other end of deep-slotted chip breaker 21, sliding shoe 9 moves to the bottom of rear wheel support 8 with the bottom of portable bar 12, the rearward end of seat bar 10 also moves to the bottom of rear wheel support 8 with sliding shoe 9, push rod 23 and rear wheel support 8, back support bar 7 and backrest adjustment seat 1 are drawn close together, after folding, go-cart takes up space little, each rod member can not contradict each other, it is all more convenient to fold and carry.
above specific embodiment of the present utility model is illustrated; but protection content of the present utility model is not only limited to above embodiment; under of the present utility model, in technical field, the common knowledge of a GPRS just can be carried out diversified change within the scope of its technology main idea.
Claims (8)
1. a folding children's barrow, comprise the vehicle frame with deployed condition and folded state, described vehicle frame comprises that bottom installs the front-wheel support of front-wheel, is connected to rotationally the back support bar (7) of described bar (10) with described front-wheel support the rotate bar (10), the bottom that are connected of the push rod (23) that is connected, rear wheel support (8) that trailing wheel is installed in bottom, leading section and front-wheel support that rotate, it is characterized in that, described go-cart vehicle frame also comprises:
Portable bar (12), its upper end is connected to described push rod (23) rotationally, and bottom can be connected with described rear wheel support (8) relative sliding, and the rearward end of seat bar (10) rotates and is connected with the bottom of portable bar (12);
Backrest adjustment seat (1), one end is connected to described rear wheel support (8) rotationally by a rotating shaft (6), and extend towards described back support bar (7) direction this end certainly, in described backrest adjustment seat (1), offer draw-in groove (20), described draw-in groove (20) comprises and is positioned at it away from first position-limited trough (201) of the end of described rear wheel support (8) and is positioned at it near second position-limited trough (202) of the end of described rear wheel support (8), the first position-limited trough (201) and the second position-limited trough (202) are connected by draw-in groove (20) part between the two,
Back support bar regulating block (4), it is arranged in described back support bar (7), described back support bar regulating block (4) is inserted in draw-in groove (20) movably, and back support bar regulating block (4) at least can be located respectively in the first position-limited trough (201) and the second position-limited trough (202), described back support bar (7) is being pulled relative to a seat bar (10) and is rotating relative to the slip of draw-in groove (20) by back support bar regulating block (4);
Be arranged on the stop gear between described rear wheel support (8) and backrest adjustment seat (1), the angle that it rotates relative to described rear wheel support (8) for limiting described backrest adjustment seat (1);
Wherein, described back support bar has two control positioies, under the first control position, described back support bar regulating block (4) is positioned at described the first position-limited trough (201), and described vehicle frame is in deployed condition, under the second control position, described backrest adjustment seat (1) rotates up under the effect of stop gear, described back support bar regulating block (4) departs from described the first position-limited trough (201), and slides in described the second position-limited trough (202), and described vehicle frame is in folded state.
2. folding children's barrow according to claim 1, is characterized in that: described stop gear comprises:
Be fixedly installed on the shelves pins (5) on described rear wheel support (8); And
Seat bar side connecting rod (3), one end is connected to described rear wheel support (8) rotationally by rotating shaft (6), on this end, also offer a deep-slotted chip breaker (21), the center of circle of the arc of described deep-slotted chip breaker (21) is on the line of centers of described rotating shaft (6), and the other end is connected to the position at the cardinal principle middle part of described seat bar (10) rotationally;
Described backrest adjustment seat (1) is offering groove (19) near on the end of described rear wheel support (8), and described shelves are sold after (5) pass the deep-slotted chip breaker (21) of described seat bar side connecting rod (3) and inserted in described groove (19).
3. folding children's barrow according to claim 1, it is characterized in that: described go-cart vehicle frame also comprises the sliding shoe (9) being fixedly installed on described portable bar (12) bottom, the rearward end of described seat bar (10) is connected to described sliding shoe (9) rotationally.
4. folding children's barrow according to claim 1, it is characterized in that: described go-cart vehicle frame also comprises the backrest adjustment seat permanent seat (2) being fixedly installed on described rear wheel support (8), and an end of described backrest adjustment seat (1) is connected to described backrest adjustment seat permanent seat (2) rotationally.
5. folding children's barrow according to claim 4, is characterized in that: between described backrest adjustment seat (1) and described backrest adjustment seat permanent seat (2), be also provided with a torsion spring (22) that is used to backrest adjustment seat (1) that downward power is provided.
6. folding children's barrow according to claim 2, it is characterized in that: described go-cart vehicle frame also comprises the seat bar contiguous block (11) being fixedly installed on described seat bar (10), the other end of described seat bar side connecting rod (3) is connected with described seat bar (10) rotationally by described seat bar contiguous block (11), and the bottom of back support bar (7) is also connected with described seat bar (10) rotationally by described seat bar contiguous block (11).
7. folding children's barrow according to claim 1, is characterized in that: on the bottom of described rear wheel support (8), offer along its length groove, the bottom of described portable bar (12) can slide up and down to be arranged in this groove.
8. folding children's barrow according to claim 1, it is characterized in that: described rear wheel support (8), portable bar (12), seat bar (10), back support bar (7), backrest adjustment seat (1), stop gear and sliding shoe (9) have respectively two, are arranged in separately the both sides of go-cart vehicle frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320488355.0U CN203439081U (en) | 2013-08-12 | 2013-08-12 | Foldable stroller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320488355.0U CN203439081U (en) | 2013-08-12 | 2013-08-12 | Foldable stroller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203439081U true CN203439081U (en) | 2014-02-19 |
Family
ID=50090151
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320488355.0U Expired - Lifetime CN203439081U (en) | 2013-08-12 | 2013-08-12 | Foldable stroller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203439081U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104057992A (en) * | 2014-06-23 | 2014-09-24 | 好孩子儿童用品有限公司 | Stroller |
| CN105346586A (en) * | 2015-11-27 | 2016-02-24 | 好孩子儿童用品有限公司 | Stroller |
| CN107187350A (en) * | 2017-05-25 | 2017-09-22 | 安徽江淮汽车集团股份有限公司 | A kind of rumble seat and automobile |
| CN108926277A (en) * | 2018-08-29 | 2018-12-04 | 佛山科学技术学院 | A kind of bath chair of adjustable angle of back-rest |
-
2013
- 2013-08-12 CN CN201320488355.0U patent/CN203439081U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104057992A (en) * | 2014-06-23 | 2014-09-24 | 好孩子儿童用品有限公司 | Stroller |
| CN104057992B (en) * | 2014-06-23 | 2017-05-10 | 好孩子儿童用品有限公司 | Stroller |
| CN105346586A (en) * | 2015-11-27 | 2016-02-24 | 好孩子儿童用品有限公司 | Stroller |
| CN105346586B (en) * | 2015-11-27 | 2018-01-02 | 好孩子儿童用品有限公司 | Children trolley |
| CN107187350A (en) * | 2017-05-25 | 2017-09-22 | 安徽江淮汽车集团股份有限公司 | A kind of rumble seat and automobile |
| CN108926277A (en) * | 2018-08-29 | 2018-12-04 | 佛山科学技术学院 | A kind of bath chair of adjustable angle of back-rest |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |