CN218400686U - Children's barrow - Google Patents
Children's barrow Download PDFInfo
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- CN218400686U CN218400686U CN202222091226.XU CN202222091226U CN218400686U CN 218400686 U CN218400686 U CN 218400686U CN 202222091226 U CN202222091226 U CN 202222091226U CN 218400686 U CN218400686 U CN 218400686U
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- frame
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- bar
- limiting part
- stroller
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- 230000000670 limiting effect Effects 0.000 claims description 40
- 230000008569 process Effects 0.000 claims description 9
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 230000007704 transition Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model discloses a children's barrow, its frame includes two sets of collateral branch framves that locate the left and right sides separately, the collateral branch frame of each side all includes separately along the front strut, back strut, side lever, vaulting pole, push rod and bar that extend from top to bottom under the expansion state, wherein the bar is connected on the vaulting pole rotationally, and carry out the centre gripping along the upper and lower direction by setting up the first spacing portion on push rod and/or vaulting pole and setting up the second spacing portion on the side lever mutually supporting, make the frame fixed relative other member on the frame of bar under the expansion state; and in the folding in-process of frame, the bar is kept away from to first spacing portion, alright in order to relieve the spacing of one of them side in the direction from top to bottom of the bar for the bar can rotate and draw in together along with other members on the frame relatively the vaulting pole. Therefore, when the frame is folded, the grab rail does not need to be detached firstly, the folding operation is simple and convenient, and the problems that the grab rail is detached and stored independently and is easy to lose are avoided.
Description
Technical Field
The utility model relates to a children's shallow.
Background
For convenient daily storage and carrying, the existing stroller can be folded. The baby stroller in the market at present has various types, different rod numbers and different connection modes of the stroller frame, the folding principle and the folding mode of the whole stroller frame are different, and the folding effect is different.
Chinese patent publication No. CN112319591A discloses a foldable stroller, in which each group of side brackets of the stroller frame can be folded, and the two groups of side brackets can be folded in the left-right direction, so that the overall size of the foldable stroller frame is small after being folded. However, when the armrest frame is installed on the frame for the enclosure and armrest support of the front side of the body of the child, the armrest frame is usually detachably connected, that is, the armrest frame is detachably installed on the side frames at both sides, when the frame is folded, the armrest frame needs to be firstly detached for folding, and then the armrest frame and the folded frame are stacked together after being folded, which is not only inconvenient for folding operation, but also easily causes the loss of the armrest frame.
Disclosure of Invention
The utility model aims at overcoming the defects of the prior art and providing an improved baby stroller.
In order to achieve the above purpose, the utility model adopts the technical scheme that: a children's barrow, including the frame with expansion state and fold state, locate front wheel subassembly and rear wheel subassembly of the frame bottom, the frame includes two sets of side supports of locating the left and right sides separately, the side support of each side all includes separately under the expansion state along the front strut, back strut, side lever, strut and push rod that extend from top to bottom, the upper portion of front strut, the upper portion of back strut and the pivot of two of the lower part of side lever connect in the aforesaid two, or the upper portion of front strut, the upper portion of back strut and the three of the lower part of side lever connect around same centre of rotation line rotation ground, the upper portion pivot of side lever connect in on the push rod, the strut with the back strut pivot, the upper portion of strut with the lower part pivot of push rod connect, the side support of each side still include the bar, the bar pivot connect in the strut, the lower part of push rod and/or the upper portion of strut are provided with the first spacing portion, be provided with the second spacing portion on the upper and/or lower part of the frame, the frame extends along the second spacing portion, the second spacing portion is located between the frame and the second spacing portion from top to bottom; when the frame is converted from the unfolding state to the folding state, the first limiting part is far away from the grab rail.
Preferably, the grab rail can be supported on the second limit part in a manner of rotating relative to the second limit part and sliding relative to the second limit part along the length direction of the grab rail.
In some embodiments, the grab bar is supported on the second limiting part at all times during the process of converting the frame from the unfolding state to the folding state.
In some embodiments, a limiting member is fixedly disposed on the side lever, and the limiting member has a supporting groove for supporting the grab bar, and the supporting groove forms the second limiting portion.
In some embodiments, the limiting member is disposed on the inner side of the side rod along the left-right direction of the vehicle frame, and the limiting member includes a fixing base fixed on the side rod, and a flange protruding upwards from the inner side of the fixing base, and the flange and the side rod cooperate to form the supporting slot.
Preferably, the rear part of the grab rail is pivotally connected to the stay around a first axis, the upper part of the stay is pivotally connected to the lower part of the push rod around a second axis, and the first axis is located below the second axis in the length extending direction of the stay.
In some embodiments, during the transition of the frame from the unfolded state to the folded state, the first limiting portion moves backward away from the grab bar.
In some embodiments, the lower end portion of the push rod and/or the upper portion of the stay rod constitute the first stopper portion.
In some embodiments, the lower end of the push rod has a first rotating link, the upper end of the support rod has a second rotating link, the first rotating link and the second rotating link are pivotally connected around the second axis, the first rotating link and the second rotating link are respectively in a disk shape, and the partial region where the outer peripheral part of the first rotating link and/or the outer peripheral part of the second rotating link abuts against the grab rail constitutes the first limiting portion.
In some embodiments, the first rotating link is located outside the second rotating link in the left-right direction of the frame, the grab bar has a bar body extending in the front-back direction, and an extension head extending backward from the rear end of the bar body, the extension head is pivotally connected to the outer side portion of the stay bar, the frame is in the unfolded state, and the bar body is located on the front side of the stay bar.
Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage: the utility model discloses a children's cart, wherein the grab bar is rotationally connected to the stay bar, and is clamped along the up-and-down direction by the first spacing part arranged on the push rod and/or the stay bar and the second spacing part arranged on the side lever in a mutually matched manner, so that the grab bar is fixed relative to other members on the frame in the unfolded state; and in the folding in-process of frame, the bar is kept away from to first spacing portion, alright in order to relieve the spacing of one of them side in the direction from top to bottom of the bar for the bar can rotate and draw in together along with other members on the frame relatively the vaulting pole. Therefore, the grab rail does not need to be detached firstly when the frame is folded, the folding operation is simple and convenient, and the problems of easy loss and the like caused by the fact that the grab rail is detached and stored independently are also avoided.
Drawings
Fig. 1 is a schematic perspective view of a stroller according to an embodiment of the present invention, wherein a frame is in an unfolded state;
FIG. 2 is a schematic view of a portion of the stroller of FIG. 1 at a connection location between the grab bar and other side members of the side frame;
FIG. 3 is a side view of the stroller of FIG. 1;
FIG. 4 is a schematic side view of the stroller shown in FIG. 1 illustrating the folding of the side frame;
FIG. 5 is a side elevational view of the stroller shown in FIG. 1, with the frame in a folded position;
wherein: 100. a side bracket; 1. a front support rod; 2. a rear support rod; 2a, a rear upper supporting rod; 2b, rear lower support rods; 3. a side lever; 4. a stay bar; 41. a second rotating link; 5. a push rod; 51. a first rotational connection; 52. a first limiting part; 6. a grab rail; 6a, a rod body; 6b, a connector; 7. a limiting member; 7a, a fixed seat; 7b, a flange; 7c, a bearing groove/a second limiting part; 8. a handrail cross bar; 9. a front link; 10. a rear connecting rod; 20. a front wheel assembly; 30. a rear wheel assembly; x1, a first axis; x2 and a second axis.
Detailed Description
The technical solution of the present invention will be further explained with reference to the accompanying drawings and specific embodiments.
The following definitions of the front-rear, left-right, up-down, and the like are all defined with reference to the orientation of the stroller when the child sits on the stroller in the unfolded state, and are only intended to more clearly illustrate the relative positional relationship of the lever members in the stroller.
Referring to fig. 1 to 5, the stroller includes a frame having an unfolded state and a folded state, and a front wheel assembly 20 and a rear wheel assembly 30 provided at a bottom of the frame, the frame includes two sets of side brackets 100 respectively provided at left and right sides, each side bracket 100 includes a front support bar 1, a rear support bar 2, a side bar 3, a support bar 4, and a push rod 5 respectively extending in an up-down direction in the unfolded state, two of an upper portion of the front support bar 1, an upper portion of the rear support bar 2, and a lower portion of the side bar 3 are pivotally connected, and the third is pivotally connected to one of the two, or the upper portion of the front support bar 1, the upper portion of the rear support bar 2, and the lower portion of the side bar 3 are pivotally connected around a same rotation center line, the upper portion of the side bar 3 is pivotally connected to the push rod 5, the support bar 4 is pivotally connected to the rear support bar 2, and the upper portion of the support bar 4 is pivotally connected to the lower portion of the push rod 5.
In this embodiment, in the side stand 100 of each side, the upper portion of the front support bar 1 and the lower portion of the side bar 3 are pivotally connected to the upper portion of the rear support bar 2, the front wheel assembly 20 is disposed at the lower portion of the front support bar 1, and the rear wheel assembly 30 is disposed at the lower portion of the rear support bar 2, where the rear support bar 2 includes a rear upper support bar 2a and a rear lower support bar 2b slidably extending and contracting in the up-down direction, the rear wheel assembly 30 is disposed at the bottom of the rear lower support bar 2b, and the rear upper support bar 2a is pivotally connected to the upper portion of the front support bar 1 and the lower portion of the side bar 3. The side bracket 100 on each side further comprises a front link 9 and a rear link 10, the middle of the strut 4 being pivotally connected to the rear upper strut 2a, the front link 9 being pivotally connected between the front strut 1 and the lower portion of the strut 4, and the rear link 10 being pivotally connected between the lower portion of the strut 4 and the rear lower strut 2 b. The push rod 5 at each side comprises a plurality of telescopic rods which can be extended and retracted along the length direction. When the frame is folded, the push rod 5 is folded along the length direction and then overturned backwards, so that the upper part of the support rod 4 and the upper part of the side rod 3 move downwards and backwards, the front support rod 1, the rear support rod 2, the side rod 3, the support rod 4 and the push rod 5 rotate relatively and are gradually folded along the front-back direction, the rear upper support rod 2a and the rear lower support rod 2b of the rear support rod 2 slide relatively to shorten the length, and the front wheel assembly 20 and the rear wheel assembly 30 are folded along the front-back direction.
Referring to the figures, the side brackets 100 on each side also include a grab bar 6, the grab bar 6 being pivotally connected to the struts 4. At least one of the lower part of the push rod 5 and the upper part of the support rod 4 is provided with a first limit part, the side rod 3 is provided with a second limit part, the frame is in an unfolded state, the grab bar 6 extends along the front-back direction, the first limit part is positioned behind the second limit part, the grab bar 6 is clamped between the first limit part and the second limit part along the up-down direction, and particularly, the grab bar 6 is positioned below the first limit part and above the second limit part, so that the grab bar 6 is fixed relative to the support rod 4 and cannot rotate. When the frame is converted from the unfolded state to the folded state, the first limiting part is far away from the grab rail 6, the downward pressing and limiting effect on the grab rail 6 is removed, and at the moment, the grab rail 6 can rotate relative to the support rod 4 and can be folded along with the relative rotation of other rods in the side bracket 100 so as to be folded together with the other rods on the side bracket 100.
Referring to fig. 1 and 2, in the present embodiment, a stopper 7 is fixedly provided to the side lever 3, and the stopper 7 has a receiving groove 7c for receiving the grab bar 6, and the receiving groove 7c constitutes the second stopper portion. Specifically, along the left and right direction of frame, locating part 7 sets up the inboard at side lever 3, and locating part 7 includes the fixing base 7a that sets firmly on side lever 3 to and upwards protruding flange 7b that extends from the inboard of fixing base 7a, and flange 7b and side lever 3 mutually support and form foretell bearing groove 7c above fixing base 7a, and this bearing groove 7c runs through along the fore-and-aft direction, and upper portion is opened, and this handrail pole 6 can enough rotate relatively and can support in this bearing groove 7c along self length direction relatively sliding again. In the process of converting the frame from the unfolding state to the folding state, the bearing groove 7c can provide the limiting position on the forward rotating path of the grab rail 6, and the grab rail cannot cross the limiting part 7 and turn to the front side, so that the grab rail 6 can also turn upwards and backwards to be folded together with other rod pieces on the frame in the frame folding process. In other embodiments, the grab bar 6 can be supported in the supporting slot 7c as the second limiting part all the time, and accordingly moves along with the rotation of the side bar 3, and further automatically folds along with other bars on the frame, or automatically opens along with the rotation of the side bar 3 to extend along the front-back direction.
Referring to the drawings, in the present embodiment, the rear portion of the grab bar 6 is pivotally connected to the stay 4 about a first axis X1, the upper portion of the stay 4 is pivotally connected to the lower portion of the push rod 5 about a second axis X2, and the first axis X1 is located below the second axis X2 in the longitudinal extension direction of the stay 4. The lower end of the push rod 5 and/or the upper portion of the stay 4 constitute a first stopper portion which moves backward away from the grab bar 6 during the transition of the frame from the unfolded state to the folded state, thereby releasing the restriction above the grab bar 6 so that the grab bar 6 can rotate relative to the stay 4 to be rotated together with other members on the side bracket 100.
Specifically, the lower end of the push rod 5 is provided with a first rotating connecting piece 51, the upper end of the stay rod 4 is provided with a second rotating connecting piece 41, the first rotating connecting piece 51 and the second rotating connecting piece 41 are in pivot connection around a second axis line X2, so as to realize the pivot connection between the push rod 5 and the stay rod 4, the first rotating connecting piece 51 and the second rotating connecting piece 41 are both in a disc shape, wherein, when the frame is in a unfolding state, at least partial areas of the outer periphery of the first rotating connecting piece 51 and/or the outer periphery of the second rotating connecting piece 41 are downwards abutted against the upper part of the grab rail 6, and the partial areas of the outer periphery of the first rotating connecting piece 51 and/or the outer periphery of the second rotating connecting piece 41 and the grab rail 6 are abutted against each other form the first limiting part.
Referring to fig. 1 and 2, the first rotary link 51 is disposed outside the second rotary link 41 in the left-right direction of the vehicle frame, the grab bar 6 has a rod body 6a extending in the front-rear direction and an extension head 6b extending rearward from the rear end of the rod body 6a, the extension head 6b is pivotally connected to the outer side portion of the stay 4, the vehicle frame is in the unfolded state, the rod body 6a is located in front of the stay 4 and the rod body 6a is located inside the side bar 3, the grab bar 6 is disposed without occupying space in the left-right direction of the vehicle frame, so that the width dimension in the left-right direction of the vehicle frame is not increased by the connection of the grab bar 6.
In this embodiment, the frame further includes a cross brace assembly connected between the side brackets 100, and the cross brace assembly can be folded along the left and right directions, so that the frame can be folded transversely. The handrail cross rod 8 is also arranged between the front end parts of the handrail rods 6 at the two sides, the handrail cross rod 8 is of a soft and bendable structure, and after the cross brace component is folded along the left and right directions to fold the frame along the left and right directions, the handrail cross rod 8 deforms to enable the handrail rods 6 at the two sides to approach along the left and right directions.
In the unfolded state of the stroller of this embodiment, as shown in fig. 1 to 3, the frame is unfolded in the left-right direction, the front support bar 1, the rear support bar 2, the side bars 3, the support bars 4, and the push bars 5 of the side frames 100 on both sides are unfolded relatively, the grab bars 6 extend in the front-back direction, and the grab bars 6 are sandwiched between the first rotation connecting members 51 on the lower portions of the push bars 5 and the limiting members 7 on the side bars 3 in the up-down direction, so that the grab bars 6 are fixed relative to other bars on the side frames 100 and cannot rotate relative to the support bars 4.
When it is desired to fold the frame, after unlocking the locking mechanism of the stroller, as shown in fig. 4, the push rod 5 is turned forward so that the lower portion of the push rod 5 moves downward and rearward, thereby causing the rotational connection of the upper portion of the stay 4 and the lower portion of the push rod 5 to move downward and rearward, thereby causing the first rotational connection 51 as a first stopper to gradually disengage from above the grab bar 6 and gradually move rearward away from the grab bar 6. The front support rod 1, the rear support rod 2, the side rod 3, the support rod 4 and the push rod 5 on the side support 100 rotate relative to each other and gradually gather in, in the process of movement of the side rod 3 and the support rod 4, the grab bar 6 moves under the driving of the support rod 4, and the support groove 7c of the limiting part 7 always supports the grab bar 6, so that the grab bar 6 rotates upwards relative to the support rod 4 and gradually gathers in the side rod 3 and the support rod 4. The folded stroller is shown in fig. 5, and the grab bar 6 is automatically folded together with other bars on the side bracket 100 during the folding of the stroller frame.
When the stroller of the present embodiment is unfolded for use, in the process of pulling the push rod 5 to make the push rod 5, the strut 4, the side rod 3, the rear strut 2 and the front strut 1 in the side bracket 100 rotate relatively and gradually unfold, the rotating connection between the lower part of the push rod 5 and the upper part of the strut 4 gradually moves upward and forward, so as to gradually move forward above the grab bar 6, so that the first rotating connection piece 51, which is the first limiting part, at the lower part of the push rod 5 gradually abuts against the grab bar 6 downward, so that the grab bar 6 gradually rotates relative to the strut 4 and is converted to extend in the front-back direction, and is gradually clamped between the first rotating connection piece 51 and the limiting piece 7 and fixed relative to the strut 4, so that the grab bar 6 automatically opens along with the unfolding of the stroller frame.
In summary, in the stroller of the present embodiment, the grab bar 6 can be always connected to the frame without being detached during the unfolding and folding process, and during the unfolding and folding process of the frame by rotating the rods of the side bracket 100 relatively, the grab bar 6 can rotate correspondingly, so that the other rods of the side bracket 100 can be automatically unfolded or folded. When the frame is folded, the grab rail does not need to be detached firstly, the unfolding and folding operations are simple and convenient, and the problems of easy loss and the like caused by the fact that the grab rail 6 is detached and stored independently are also avoided.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered in the protection scope of the present invention.
Claims (10)
1. The utility model provides a child cart, includes the frame that has expansion state and fold condition, locates the front wheel subassembly and the rear wheel subassembly of frame bottom, the frame is including dividing two sets of collateral branch framves of locating the left and right sides, every side the collateral branch frame all includes under the expansion state separately along the front branch, back branch, side lever, vaulting pole and the push rod of upper and lower direction extension, the upper portion of front branch pole the upper portion of back branch reaches on two of these three of lower part of side lever pivot connection and third party pivot connection are foretell one of them, perhaps the upper portion of front branch the upper portion of back branch reaches these three of lower part of side lever are connected around same center of rotation ground, the upper portion pivot connection of side lever is in on the push rod, the vaulting pole with back branch pivot connection, the upper portion of vaulting pole with the lower part pivot connection of push rod, its characterized in that: the side support of each side further comprises a grab bar pivotally connected to the stay,
a first limiting part is arranged at the lower part of the push rod and/or the upper part of the support rod, a second limiting part is arranged on the side rod, the grab bar extends along the front-back direction when the frame is in an unfolded state, the first limiting part is positioned behind the second limiting part, and the grab bar is clamped between the first limiting part and the second limiting part along the up-down direction; when the frame is converted from the unfolding state to the folding state, the first limiting part is far away from the grab rail.
2. The stroller of claim 1, wherein: the grab rail can rotate relative to the second limiting part and can be supported on the second limiting part in a relatively sliding mode along the length direction of the grab rail.
3. The stroller of claim 2, wherein: in the process that the frame is converted from the unfolding state to the folding state, the grab rail is always supported on the second limiting part.
4. The stroller of claim 2, wherein: the side lever is fixedly provided with a limiting part, the limiting part is provided with a bearing groove for bearing the grab rail, and the bearing groove forms the second limiting part.
5. The stroller of claim 4, wherein: the limiting part is arranged on the inner side of the side rod along the left-right direction of the frame, the limiting part comprises a fixed seat fixedly arranged on the side rod and a flange upwards protruded and extended from the inner side of the fixed seat, and the flange and the side rod are matched with each other to form the supporting groove.
6. The stroller of claim 1, wherein: the rear part of the handrail rod is connected to the support rod around a first axis pivot, the upper part of the support rod is connected with the lower part of the push rod around a second axis pivot, and the first axis is located below the second axis in the length extending direction of the support rod.
7. The stroller of claim 6, wherein: in the process that the frame is converted from the unfolding state to the folding state, the first limiting part moves backwards to be away from the grab rail.
8. The stroller of claim 7, wherein: the lower end part of the push rod and/or the upper part of the support rod form the first limiting part.
9. The stroller of claim 7, wherein: the lower end of the push rod is provided with a first rotating connecting piece, the upper end of the support rod is provided with a second rotating connecting piece, the first rotating connecting piece and the second rotating connecting piece are in pivot connection around the second axis, the first rotating connecting piece and the second rotating connecting piece are respectively in a disc shape, and the partial area of the outer peripheral part of the first rotating connecting piece and/or the outer peripheral part of the second rotating connecting piece, which is abutted against the grab rail, forms the first limiting part.
10. The stroller of claim 9, wherein: follow in the left and right directions of frame, first rotation connecting piece is located the outside of second rotation connecting piece, the bar has the body of rod that extends along the fore-and-aft direction, certainly the extension head of the rear end ranging back of the body of rod, extend the head pivot connect in on the outside portion of vaulting pole, the frame is under the expansion state, the body of rod is located the front side of vaulting pole.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202222091226.XU CN218400686U (en) | 2022-08-09 | 2022-08-09 | Children's barrow |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202222091226.XU CN218400686U (en) | 2022-08-09 | 2022-08-09 | Children's barrow |
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CN218400686U true CN218400686U (en) | 2023-01-31 |
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CN202222091226.XU Active CN218400686U (en) | 2022-08-09 | 2022-08-09 | Children's barrow |
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2022
- 2022-08-09 CN CN202222091226.XU patent/CN218400686U/en active Active
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