CN115180013B - Folding baby carriage - Google Patents
Folding baby carriage Download PDFInfo
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- CN115180013B CN115180013B CN202210664022.2A CN202210664022A CN115180013B CN 115180013 B CN115180013 B CN 115180013B CN 202210664022 A CN202210664022 A CN 202210664022A CN 115180013 B CN115180013 B CN 115180013B
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- seat frame
- sliding piece
- traction rope
- frame
- stroller
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- 238000000034 method Methods 0.000 claims abstract description 23
- 230000008569 process Effects 0.000 claims abstract description 22
- 230000007246 mechanism Effects 0.000 claims description 39
- 238000013459 approach Methods 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000003340 mental effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B7/00—Carriages for children; Perambulators, e.g. dolls' perambulators
- B62B7/04—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor
- B62B7/06—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable
- B62B7/08—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable in the direction of, or at right angles to, the wheel axis
- B62B7/086—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable in the direction of, or at right angles to, the wheel axis becoming smaller in all three dimensions
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Carriages For Children, Sleds, And Other Hand-Operated Vehicles (AREA)
Abstract
The invention discloses a child stroller, which comprises a frame, a front wheel assembly and a rear wheel assembly, wherein the frame comprises the following components in an unfolding state: a seat frame; a front bracket; the rear wheel assembly is arranged at the lower part of the rear bracket, and the rear bracket can be arranged in a front-back sliding manner relative to the seat frame; a first slider; pushing the handle bar; a side link; a linkage rod; during the process of converting the frame from the unfolding state to the folding state, the first sliding piece slides in the backward direction relative to the seat frame, and the rear bracket slides in the forward direction relative to the seat frame. The folding child stroller has a compact structure and a small volume.
Description
Technical Field
The invention belongs to the field of children products, and relates to a folding child trolley.
Background
With the development of society, the living standard is improved, and the slow people gradually change from basic substance life to pursue more mental life. The baby carriage plays an important role in carrying babies in daily life for users, and becomes one of the indispensable child articles in the growth process of children. When the child cart is not used, the child cart needs to be folded and stored. The existing child cart is large in size generally, and occupies a large space after being folded, namely, certain requirements are met on the storage space, so that the child cart is compact in structure after being folded, and does not occupy too much space, so that the child cart becomes an important consideration factor for consumers to purchase the child cart.
Disclosure of Invention
In order to solve the technical problems, the invention aims to provide a folding child stroller, which is compact in structure and small in overall size after being folded.
In order to achieve the above purpose, the invention adopts a technical scheme that:
the utility model provides a children's shallow, includes the frame that has expansion state and folding state, locates the front wheel subassembly of frame front portion below, locates the rear wheel subassembly of frame rear portion below, the frame include under the expansion state:
a seat frame for connecting seats for children to sit on;
the front wheel assembly is arranged at the lower part of the front bracket;
the rear wheel assembly is arranged at the lower part of the rear bracket, and the rear bracket can be arranged in a front-back sliding manner relative to the seat frame;
a first slider slidably disposed on the seat frame in a front-rear direction of the seat frame;
during the process of converting the frame from the unfolding state to the folding state, the first sliding piece slides in the backward direction relative to the seat frame, and the rear bracket slides in the forward direction relative to the seat frame.
Preferably, the first sliding member and the second sliding member are connected through a linkage mechanism, the first sliding member can drive the second sliding member to slide, and when the first sliding member slides in a backward direction relative to the seat frame, the second sliding member slides in a forward direction relative to the seat frame; when the first sliding piece slides in the front direction relative to the seat frame, the second sliding piece slides in the rear direction relative to the seat frame.
Preferably, the upper end of the rear bracket is pivotally connected to a second slider, and the second slider is slidably connected to the seat frame in the front-rear direction.
Preferably, the rear wheel assembly comprises a left rear wheel assembly and a right rear wheel assembly, the rear bracket comprises a left rear bracket and a right rear bracket, the left rear wheel assembly is arranged at the lower part of the left rear bracket, and the right rear wheel assembly is arranged at the lower part of the right rear bracket; the second sliding piece comprises a second left sliding piece and a second right sliding piece, the upper end part of the left rear bracket is pivotally connected to the second left sliding piece, and the second left sliding piece is in sliding connection with the seat frame along the front-rear direction; the upper end part of the right rear bracket is pivotally connected to the second right sliding piece, and the second right sliding piece is slidably connected with the seat frame along the front-rear direction.
Preferably, the seat frame is provided with a left guide rail and a right guide rail respectively, the left guide rail and the right guide rail are arranged in parallel, the second left sliding piece is in sliding connection with the left guide rail, and the second right sliding piece is in sliding connection with the right guide rail.
Preferably, the left guide rail and the right guide rail are both disposed at the bottom of the seat frame.
Preferably, the stroller further comprises a left linkage mechanism arranged between the first sliding piece and the second left sliding piece, and a right linkage mechanism arranged between the first sliding piece and the second right sliding piece; in the process of converting the frame from the unfolding state to the folding state, the first sliding piece slides backwards along the seat frame, and the left linkage mechanism and the right linkage mechanism respectively drive the second left sliding piece and the second right sliding piece to slide forwards along the left guide rail and the right guide rail.
Preferably, the left linkage mechanism comprises a left traction rope and a first guide wheel, wherein the first guide wheel is pivoted at the left side of the rear part of the seat frame, the left traction rope is wound on the first guide wheel, one end of the left traction rope is fixedly connected with the first sliding piece, and the other end of the left traction rope is fixedly connected with the second left sliding piece; the right linkage mechanism comprises a right traction rope and a third guide wheel which is pivoted on the right side of the rear part of the seat frame, the right traction rope is wound on the third guide wheel, one end of the right traction rope is fixedly connected with the first sliding piece, and the other end of the right traction rope is fixedly connected with the second right sliding piece.
Preferably, the stroller further comprises a left linkage mechanism arranged between the first sliding piece and the second left sliding piece, and a right linkage mechanism arranged between the first sliding piece and the second right sliding piece; in the process of converting the frame from the folded state to the unfolded state, the first sliding part slides forwards along the seat frame, and the left linkage mechanism and the right linkage mechanism respectively drive the second left sliding part and the second right sliding part to slide backwards along the left guide rail and the right guide rail.
Preferably, the left linkage mechanism comprises a left traction rope and a second guide wheel, wherein the second guide wheel is pivoted on the left side of the front part of the seat frame, the left traction rope is wound on the second guide wheel, one end of the left traction rope is fixedly connected with the first sliding piece, and the other end of the left traction rope is fixedly connected with the second left sliding piece; the right linkage mechanism comprises a right traction rope and a fourth guide wheel, wherein the pivot is arranged on the right side of the front part of the seat frame, the right traction rope is wound on the fourth guide wheel, one end of the right traction rope is fixedly connected with the first sliding piece, and the other end of the right traction rope is fixedly connected with the second right sliding piece.
Preferably, the left linkage mechanism comprises a left traction rope and a second guide wheel, wherein the second guide wheel is pivoted on the left side of the front part of the seat frame, the left traction rope is wound on the second guide wheel, one end of the left traction rope is fixedly connected with the first sliding piece, and the other end of the left traction rope is fixedly connected with the second left sliding piece; the right linkage mechanism comprises a right traction rope and a fourth guide wheel, wherein the pivot is arranged on the right side of the front part of the seat frame, the right traction rope is wound on the fourth guide wheel, one end of the right traction rope is fixedly connected with the first sliding piece, and the other end of the right traction rope is fixedly connected with the second right sliding piece.
Preferably, the left linkage mechanism comprises a left traction rope and a first group of guide wheels pivoted on the seat frame, the first group of guide wheels comprises a first guide wheel arranged on the left side of the rear part of the seat frame and a second guide wheel arranged on the left side of the front part of the seat frame, the left traction rope is wound on the first guide wheel and the second guide wheel, the left traction rope is provided with a first connecting point connected with the first sliding piece and a second connecting point connected with the upper end part of the left rear bracket, and the moving directions of the first connecting point and the second connecting point are opposite when the left traction rope acts; the right linkage mechanism comprises a right traction rope and a second group of guide wheels, wherein the second group of guide wheels are arranged on the seat frame through pivots, each second group of guide wheels comprises a third guide wheel arranged on the right side of the rear part of the seat frame and a fourth guide wheel arranged on the right side of the front part of the seat frame, the right traction rope is provided with a first connecting point connected with the first sliding piece and a second connecting point connected with the upper end part of the right rear support, and the moving directions of the first connecting point and the second connecting point are opposite when the right traction rope acts.
Preferably, the seat frame is plate-shaped, and has an upper surface and a lower surface, and a receiving cavity extending in a front-rear direction is formed between the upper surface and the lower surface, and at least part of the first sliding member is located in the receiving cavity.
Preferably, during the transition of the frame from the unfolded state to the folded state, a part of the first sliding member extends back out of the seat frame.
Preferably, the frame comprises a push handle rod, the lower end part of the push handle rod is rotatably connected with the first sliding part, the push handle rod is turned forwards and downwards to close the seat frame, and the front support is turned backwards and upwards to close the seat frame in the process of converting the frame from an unfolding state to a folding state.
Preferably, the frame further comprises a side link, the rear end of the side link is rotatably connected with the push handle bar, and one of the front end of the side link, the front end of the seat frame and the upper end of the front bracket is pivotally connected with the other, and the third component is also pivotally connected with at least one of the other two components.
Preferably, the frame further comprises a linkage rod, the front end part of the linkage rod is rotationally connected with the front bracket, and the rear end part of the linkage rod is rotationally connected with the first sliding piece.
In the present invention, the sliding connection of the upper end of the rear bracket to the seat frame in the front-rear direction includes one of the following three cases: the first condition is that a sliding groove extending in the front-rear direction is arranged below the seat frame, and the upper end part of the rear bracket is inserted into the sliding groove and is connected with the sliding groove in a sliding way; in the second case, a second sliding piece is pivotally connected to the upper end of the rear bracket, in particular a sliding sleeve is selected, and the second sliding piece is slidably connected with the seat frame along the front-rear direction; in the third case, a roller is pivotally connected to the upper end of the rear bracket, and the roller is in rolling sliding contact with the seat frame along a track in the front-rear direction.
Compared with the prior art, the invention has the following advantages:
according to the folding baby stroller, when the stroller is converted from the unfolded state to the folded state, the first sliding piece slides backwards relative to the seat frame, the rear support slides forwards relative to the seat frame, namely, the rear support gradually approaches the seat frame, and the folded stroller is compact in structure and small in overall size. In addition, the folding process of the trolley is simple to operate, and rapid folding can be realized.
Drawings
In order to more clearly illustrate the technical solutions of the present invention, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a side view of a child stroller in an expanded state according to an embodiment of the present invention;
FIG. 2 is a top view of a child stroller in an expanded state according to an embodiment of the present invention;
FIG. 3 is a cross-sectional view taken along the line A1-A1 in FIG. 2;
FIG. 4 is a cross-sectional view taken along the line A2-A2 in FIG. 2;
FIG. 5 is a cross-sectional view taken along the direction A3-A3 in FIG. 4;
FIG. 6 is a top view of a child stroller in a semi-collapsed condition according to an embodiment of the present invention;
FIG. 7 is a cross-sectional view taken along the direction B1-B1 in FIG. 6;
FIG. 8 is a cross-sectional view taken along the direction B2-B2 in FIG. 6;
FIG. 9 is a cross-sectional view taken along the direction B3-B3 in FIG. 8;
FIG. 10 is a top view of a child stroller in a collapsed condition according to an embodiment of the present invention;
FIG. 11 is a cross-sectional view taken along the direction C1-C1 in FIG. 10;
FIG. 12 is a cross-sectional view taken along the direction C2-C2 in FIG. 10;
FIG. 13 is a cross-sectional view taken along the direction C3-C3 in FIG. 12;
FIG. 14 is a schematic view showing a partial structure of a stroller in an unfolded state according to embodiment 2 of the present invention;
FIG. 15 is a schematic view showing a partial structure of a stroller in a semi-folded state according to embodiment 2 of the present invention;
fig. 16 is a schematic view showing a partial structure of a stroller according to embodiment 2 of the present invention in a folded state.
Wherein:
1. a frame; 11. a seat frame; 111. a first slider; 112. a left guide rail; 113. a right guide rail; 114. an upper surface; 115. a lower surface; 116. a receiving chamber; 12. a front bracket; 13. a rear bracket; 131. a left rear bracket; 1311. an upper end portion; 132. a right rear bracket; 14. pushing the handle bar; 15. a side link; 16. a linkage rod;
2. a front wheel assembly;
3. a left rear wheel assembly;
4. a right rear wheel assembly;
5. a second left slider;
6. a second right slider;
7. a left linkage mechanism; 71. a left traction cable; 711. a first connection point; 712. a second connection point; 72. a first set of guide wheels; 721. a first guide wheel; 722. a second guide wheel;
8. a right linkage mechanism; 81. a right traction cable; 811. a first connection point; 812. a second connection point; 82. a second set of guide wheels; 821. a third guide wheel; 822. and a fourth guide wheel.
Detailed Description
Preferred embodiments of the present invention will be described in detail below with reference to the attached drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art. The description of these embodiments is provided to assist understanding of the present invention, but is not intended to limit the present invention. In addition, technical features of the embodiments of the present invention described below may be combined with each other as long as they do not collide with each other.
Example 1
As shown in fig. 1 to 13, a stroller of the present embodiment has an unfolded state, a semi-folded state, and a folded state. The baby stroller comprises a frame 1, a front wheel assembly 2 arranged below the front part of the frame 1, and a rear wheel assembly arranged at the rear part of the frame 1. The number of the front wheel assemblies 2 is two, and the front wheel assemblies are respectively arranged at the left side and the right side below the front part of the frame 1; the rear wheel assembly comprises a left rear wheel assembly 3 on the left side below the rear part of the frame 1 and a right rear wheel assembly 4 on the right side below the rear part of the frame 1.
The frame 1 comprises two symmetrical side frames, each side frame comprises a front bracket 12, a rear bracket 13, a push handle bar 14, a side connecting rod 15 and a linkage rod 16. The frame 1 further comprises a seat frame 11 connected between the two side frames. Wherein, the seat frame 11 is connected with a seat for children to sit on or directly sit on; the front wheel assembly 2 is arranged at the lower part of the front bracket 12; the rear wheel assembly is provided at a lower portion of the rear bracket 13.
Specifically, referring to fig. 3, the seat frame 11 has a plate shape having an upper surface 114, a lower surface 115, and a receiving cavity 116 located on the upper surface 114 and the lower surface 115, the receiving cavity 116 extending in the front-rear direction. The seat frame 11 is provided with a first slider 111, and at least a portion (e.g., a front end portion) of the first slider 111 is located in the receiving chamber 116. As shown in fig. 7, the stroller slides rearward along the seat frame 11 during the transition from the unfolded state to the folded state, and a portion (e.g., a rear end portion) of the first slide 111 protrudes rearward to the rear side of the seat frame 11. Similarly, when the stroller is in the transition from the folded state to the unfolded state, the first slider 111 slides forward along the seat frame 11 and the rear bracket 13 slides forward relative to the seat frame 11. Referring to fig. 5, a left rail 112 and a right rail 113 are further provided at the bottom of the seat frame 11, respectively, and the left rail 112 and the right rail 113 are disposed in parallel.
As shown in conjunction with fig. 3 to 5, the rear bracket 13 includes a left rear bracket 131 and a right rear bracket 132, the left rear wheel assembly 3 is disposed at a lower portion of the left rear bracket 131, and the right rear wheel assembly 4 is disposed at a lower portion of the right rear bracket 132. The upper end portion of the left rear bracket 131 is pivotally connected to a second left slider 5, and the second left slider 5 is slidably connected to the seat frame 11 in the front-rear direction. The upper end of the right rear bracket 132 is pivotally connected to the second right slider 6, the second right slider 6 is slidably connected to the seat frame 11 in the front-rear direction, however, in other embodiments, a left slide pin may be fixedly provided at the upper end of the left rear bracket 131, the left slide pin may be slidably connected to the seat frame 11 in the front-rear direction of the seat frame 11, a right slide pin may be fixedly provided at the upper end of the right rear bracket 132, the right slide pin may be slidably connected to the seat frame 11 in the front-rear direction of the seat frame 11, or a roller may be pivotally connected to the upper end of the left rear bracket 131 and the upper end of the right rear bracket 132, and the roller may be in rolling contact with a rail provided on the seat frame 11. Further, the second left slider 5 is slidably connected to the left rail 112, and the second right slider 6 is slidably connected to the right rail 113. As shown in fig. 4, 8 and 12, in the process of changing the child stroller from the unfolded state to the folded state, the second left slider 5 and the second right slider 6 slide forward with respect to the seat frame 11, the first slider 111 slides backward with respect to the seat frame 11, and the left rear bracket 131 and the right rear bracket 132 move forward and approach the seat frame 11.
As shown in fig. 1 and 3, the lower end of the push rod 14 is rotatably connected to the first slider 111, and the rear end of the side link 15 is rotatably connected to the push rod 14; of the three members, the front end portion of the side link 15, the front end portion of the seat frame 11, and the upper end portion of the front bracket 12, two members are pivotally connected, and the third member is pivotally connected to at least one of the two members. For example, the front end portion of the side link 15, the front end portion of the seat frame 11, and the upper end portion of the front bracket 12 are connected by the same pivot.
The front end of the link lever 16 is rotatably connected to the front bracket 12, and the rear end of the link lever 16 is rotatably connected to the first slider 111.
As shown in connection with fig. 5, 9 and 13, the stroller further comprises a left linkage 7 disposed between the first slide 111 and the second left slide 5, and a right linkage 8 disposed between the first slide 111 and the second right slide 6. In the process of converting the vehicle frame 1 from the unfolded state to the folded state, the first sliding piece 111 slides backwards along the seat frame 11, the left linkage 7 drives the second left sliding piece 5 to slide forwards along the left guide rail 112, and the right linkage 8 drives the second right sliding piece 6 to slide forwards along the right guide rail 113; in the process of shifting the vehicle frame 1 from the folded state to the unfolded state, the first slider 111 slides forward along the seat frame 11, and the left linkage 7 and the right linkage 8 drive the second left slider 5 and the second right slider 6 to slide backward along the left rail 112 and the right rail 113, respectively.
More specifically, the left linkage 7 includes a left traction cable 71 and a first group of guide wheels 72 pivotally disposed on the seat frame 11, the left traction cable 71 is wound on the first group of guide wheels 72, one end of the left traction cable 71 is fixedly connected to the first sliding member 111, and the other end of the left traction cable 71 is fixedly connected to the second left sliding member 5; the right linkage mechanism 8 comprises a right traction rope 81 and a second group of guide wheels 82 which are pivoted on the seat frame 11, the right traction rope 81 is wound on the second group of guide wheels 82, one end of the right traction rope 81 is fixedly connected with the first sliding piece 111, and the other end of the right traction rope 81 is fixedly connected with the second right sliding piece 6.
Further, the first group of guide wheels 72 includes a first guide wheel 721 disposed on the left side of the rear portion of the seat frame 11 and a second guide wheel 722 disposed on the left side of the front portion of the seat frame 11, the number of left traction ropes 71 is two, one end of one of the left traction ropes is fixedly connected with the front portion of the first sliding member 111, and after bypassing the first guide wheel 721, the other end of the other traction rope is fixedly connected with the second left sliding member 5, and in the process of changing the stroller from the folded state to the unfolded state, the traction ropes play a traction role; one end of the other strip is fixedly connected with the front part of the first sliding piece 111 and then bypasses the second guide wheel 722, the other end of the other strip is fixedly connected with the second left sliding piece 5, and the traction rope plays a traction role in the process of changing the child stroller from the unfolding state to the folding state. The second set of guide wheels 82 includes a third guide wheel 821 disposed on the right side of the rear portion of the seat frame 11 and a fourth guide wheel 822 disposed on the right side of the front portion of the seat frame 11, and the number of the right traction ropes 81 is two, one end of one of the two traction ropes is fixedly connected with the front portion of the first sliding member 111 and then bypasses the third guide wheel 821, and the other end of the other traction rope is fixedly connected with the second right sliding member 6, and in the process of changing the stroller from the folded state to the unfolded state, the traction ropes play a role in traction; one end of the other strip is fixedly connected with the front part of the first sliding piece 111 and then bypasses the fourth guiding wheel 822, the other end of the other strip is fixedly connected with the second right sliding piece 6, and the traction rope plays a traction role in the process of changing the child stroller from the unfolding state to the folding state. The traction rope and the guide wheels are arranged between the first sliding part and the second sliding part, so that the cart can be operated more conveniently and more labor-saving in the folding or unfolding process.
In the stroller of this embodiment, in the process of changing the frame 1 from the unfolded state to the folded state, the push handle bar 14 is turned forward and downward to close the seat frame 11, the first sliding member 111 slides backward relative to the seat frame 11, the rear part of the first sliding member 111 extends out of the seat frame 11, the linkage bar 16 rotatably connected with the first sliding member 111 drives the front bracket 12 to turn backward and upward to close the seat frame 11, and simultaneously, the first sliding member 111 drives the second left sliding member 5 through the left linkage mechanism 7 and drives the second right sliding member 6 through the right linkage mechanism 8 to slide forward relative to the seat frame 11, that is, the first sliding member 111 and the second left (right) sliding member move in opposite directions. The second left slider 5 and the second right slider 6 are pivotally connected to the rear bracket 13, so that the second left slider 5 drives the left rear bracket 131 and the second right slider 6 drives the right rear bracket 132 to move forward relative to the seat frame 11 and to approach the seat frame 11. The whole folding process is simple and convenient to operate, and the folded trolley is compact in structure and small in size.
Example 2
The present embodiment is basically the same as embodiment 1, the left link mechanism 7 includes a left traction cable 71 and a first group of guide wheels 7 pivotally provided on the seat frame 11, the first group of guide wheels 72 includes a first guide wheel 721 provided on the rear left side of the seat frame 11 and a second guide wheel 722 provided on the front left side of the seat frame 11, the right link mechanism 8 includes a right traction cable 81 and a second group of guide wheels 82 pivotally provided on the seat frame 11, the second group of guide wheels 82 includes a third guide wheel 821 provided on the rear right side of the seat frame 11 and a fourth guide wheel 822 provided on the front right side of the seat frame 11, except that, as shown in fig. 14 to 16, the left traction cable 71 has a first connection point 711 connected to the first slider 111 and a second connection point 712 connected to the upper end 1311 of the left rear bracket 131, and the movement directions of the first connection point 711 and the second connection point 712 are opposite when the left traction cable 71 is operated; the right traction cable 81 has a first connection point 811 connected to the first slider 111 and a second connection point 812 connected to the upper end 1311 of the right rear bracket 132, and the movement directions of the first connection point 811 and the second connection point 812 are opposite when the right traction cable 81 is operated.
As used in this specification and in the claims, the terms "comprises" and "comprising" merely indicate that the steps and elements are explicitly identified, and do not constitute an exclusive list, as other steps or elements may be included in a method or apparatus. The term "and/or" as used herein includes any combination of one or more of the associated listed items.
It should be noted that the descriptions of the upper, lower, left, right, etc. used in the present invention are merely with respect to the mutual positional relationship of the constituent elements of the present invention in the drawings.
The above-described embodiments are provided for illustrating the technical concept and features of the present invention, and are intended to be preferred embodiments for those skilled in the art to understand the present invention and implement the same according to the present invention, not to limit the scope of the present invention. All equivalent changes or modifications made according to the spirit of the present invention should be included in the scope of the present invention.
Claims (16)
1. The utility model provides a folding children's shallow, includes the frame that has expansion state and folding state, locates the front wheel subassembly of frame front portion below, locates the rear wheel subassembly of frame rear portion below, its characterized in that: the frame comprises:
a seat frame for connecting seats for children to sit on;
the front wheel assembly is arranged at the lower part of the front bracket;
the rear wheel assembly is arranged at the lower part of the rear bracket, and the rear bracket can be arranged in a front-back sliding manner relative to the seat frame;
a first slider slidably disposed on the seat frame in a front-rear direction of the seat frame;
the first sliding piece and the rear bracket are connected through a linkage mechanism, and in the process of converting the vehicle frame from the unfolded state to the folded state, the first sliding piece slides in the rear direction relative to the seat frame, and the rear bracket slides in the front direction relative to the seat frame.
2. The stroller of claim 1, wherein the upper end of the rear bracket is pivotally connected to a second slide member, and the second slide member is slidably connected to the seat frame in a front-rear direction.
3. The stroller of claim 2, wherein: the rear wheel assembly comprises a left rear wheel assembly and a right rear wheel assembly, the rear bracket comprises a left rear bracket and a right rear bracket, the left rear wheel assembly is arranged at the lower part of the left rear bracket, and the right rear wheel assembly is arranged at the lower part of the right rear bracket; the second sliding piece comprises a second left sliding piece and a second right sliding piece, the upper end part of the left rear bracket is pivotally connected to the second left sliding piece, and the second left sliding piece is in sliding connection with the seat frame along the front-rear direction; the upper end part of the right rear bracket is pivotally connected to the second right sliding piece, and the second right sliding piece is slidably connected with the seat frame along the front-rear direction.
4. A stroller according to claim 3, wherein: the seat frame is provided with a left guide rail and a right guide rail respectively, the left guide rail and the right guide rail are arranged in parallel, the second left sliding piece is in sliding connection with the left guide rail, and the second right sliding piece is in sliding connection with the right guide rail; the baby stroller further comprises a left linkage mechanism arranged between the first sliding piece and the second left sliding piece, and a right linkage mechanism arranged between the first sliding piece and the second right sliding piece.
5. The stroller of claim 4, wherein: the left guide rail and the right guide rail are arranged at the bottom of the seat frame.
6. The stroller of claim 4, wherein: in the process of converting the frame from the unfolding state to the folding state, the first sliding piece slides backwards along the seat frame, and the left linkage mechanism and the right linkage mechanism respectively drive the second left sliding piece and the second right sliding piece to slide forwards along the left guide rail and the right guide rail.
7. The stroller of claim 6, wherein: the left linkage mechanism comprises a left traction rope and a second guide wheel, the second guide wheel is arranged on the left side of the front part of the seat frame in a pivot way, the left traction rope is wound on the second guide wheel, one end of the left traction rope is fixedly connected with the first sliding piece, and the other end of the left traction rope is fixedly connected with the second left sliding piece; the right linkage mechanism comprises a right traction rope and a fourth guide wheel, wherein the pivot is arranged on the right side of the front part of the seat frame, the right traction rope is wound on the fourth guide wheel, one end of the right traction rope is fixedly connected with the first sliding piece, and the other end of the right traction rope is fixedly connected with the second right sliding piece.
8. The stroller of claim 4, wherein: in the process of converting the frame from the folded state to the unfolded state, the first sliding part slides forwards along the seat frame, and the left linkage mechanism and the right linkage mechanism respectively drive the second left sliding part and the second right sliding part to slide backwards along the left guide rail and the right guide rail.
9. The stroller of claim 8, wherein: the left linkage mechanism comprises a left traction rope and a first guide wheel, the first guide wheel is arranged on the left side of the rear part of the seat frame in a pivot way, the left traction rope is wound on the first guide wheel, one end of the left traction rope is fixedly connected with the first sliding piece, and the other end of the left traction rope is fixedly connected with the second left sliding piece; the right linkage mechanism comprises a right traction rope and a third guide wheel which is pivoted on the right side of the rear part of the seat frame, the right traction rope is wound on the third guide wheel, one end of the right traction rope is fixedly connected with the first sliding piece, and the other end of the right traction rope is fixedly connected with the second right sliding piece.
10. The stroller of claim 9, wherein: the left linkage mechanism comprises a left traction rope and a second guide wheel, the second guide wheel is arranged on the left side of the front part of the seat frame in a pivot way, the left traction rope is wound on the second guide wheel, one end of the left traction rope is fixedly connected with the first sliding piece, and the other end of the left traction rope is fixedly connected with the second left sliding piece; the right linkage mechanism comprises a right traction rope and a fourth guide wheel, wherein the pivot is arranged on the right side of the front part of the seat frame, the right traction rope is wound on the fourth guide wheel, one end of the right traction rope is fixedly connected with the first sliding piece, and the other end of the right traction rope is fixedly connected with the second right sliding piece.
11. The stroller of claim 4, wherein: the left linkage mechanism comprises a left traction rope and a first group of guide wheels which are pivoted on the seat frame, the first group of guide wheels comprise a first guide wheel arranged on the left side of the rear part of the seat frame and a second guide wheel arranged on the left side of the front part of the seat frame, the left traction rope is wound on the first guide wheel and the second guide wheel, the left traction rope is provided with a first connecting point connected with the first sliding piece and a second connecting point connected with the upper end part of the left rear bracket, and the moving directions of the first connecting point and the second connecting point are opposite when the left traction rope acts; the right linkage mechanism comprises a right traction rope and a second group of guide wheels, wherein the second group of guide wheels are arranged on the seat frame through pivots, each second group of guide wheels comprises a third guide wheel arranged on the right side of the rear part of the seat frame and a fourth guide wheel arranged on the right side of the front part of the seat frame, the right traction rope is provided with a first connecting point connected with the first sliding piece and a second connecting point connected with the upper end part of the right rear support, and the moving directions of the first connecting point and the second connecting point are opposite when the right traction rope acts.
12. The stroller of claim 1, wherein: the seat frame is plate-shaped and is provided with an upper surface and a lower surface, a containing cavity extending along the front-back direction is arranged between the upper surface and the lower surface, and at least part of the first sliding piece is positioned in the containing cavity.
13. The stroller of claim 1, wherein: during the process of converting the frame from the unfolding state to the folding state, part of the first sliding part extends out of the seat frame backwards.
14. The stroller of claim 1, wherein: the frame comprises a push handle rod, the lower end part of the push handle rod is rotationally connected with the first sliding part, the push handle rod is turned forwards and downwards to close the seat frame, and the front support is turned backwards and upwards to close the seat frame in the process of converting the frame from an unfolding state to a folding state.
15. The stroller of claim 14, wherein: the frame also comprises a side connecting rod, the rear end part of the side connecting rod is rotationally connected with the push handle rod, and one of the front end part of the side connecting rod, the front end part of the seat frame and the upper end part of the front bracket is pivotally connected with the other part, and the third part is also pivotally connected with at least one of the other two parts.
16. The stroller of claim 1, wherein: the frame also comprises a linkage rod, the front end part of the linkage rod is rotationally connected with the front bracket, and the rear end part of the linkage rod is rotationally connected with the first sliding piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210664022.2A CN115180013B (en) | 2022-06-13 | 2022-06-13 | Folding baby carriage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210664022.2A CN115180013B (en) | 2022-06-13 | 2022-06-13 | Folding baby carriage |
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| Publication Number | Publication Date |
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| CN115180013A CN115180013A (en) | 2022-10-14 |
| CN115180013B true CN115180013B (en) | 2023-12-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210664022.2A Active CN115180013B (en) | 2022-06-13 | 2022-06-13 | Folding baby carriage |
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| Country | Link |
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| CN (1) | CN115180013B (en) |
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| US4256325A (en) * | 1977-01-13 | 1981-03-17 | Henry Fleischer | Collapsible frames for baby carriers |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN115180013A (en) | 2022-10-14 |
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