CN107458447B - Bidirectional folding baby stroller frame - Google Patents
Bidirectional folding baby stroller frame Download PDFInfo
- Publication number
- CN107458447B CN107458447B CN201710663755.3A CN201710663755A CN107458447B CN 107458447 B CN107458447 B CN 107458447B CN 201710663755 A CN201710663755 A CN 201710663755A CN 107458447 B CN107458447 B CN 107458447B
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- China
- Prior art keywords
- connecting piece
- wheel bracket
- sides
- rod
- rear wheel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 230000002457 bidirectional effect Effects 0.000 title claims abstract description 10
- 230000000712 assembly Effects 0.000 claims description 9
- 238000000429 assembly Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 238000010586 diagram Methods 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
Abstract
The invention discloses a bidirectional folding baby stroller frame, wherein a sliding connecting piece is arranged below a lower push rod, a rear wheel bracket connecting piece is sleeved at the upper middle part of a rear wheel bracket component, a rotatable push rod joint is connected at the upper end of the rear wheel bracket connecting piece, the sliding connecting piece is arranged at the upper end of the push rod joint, the lower ends of folding connecting pieces which are rotatable at two sides are riveted at the middle lower part of the rear wheel bracket component, the sliding connecting piece is connected at the outer side of the upper middle part, the upper inner side of the upper middle part is connected with an upper L-shaped connecting piece, the upper end of the upper rear supporting rod is connected with a seat cushion rod, the two sides of the upper rear supporting rod are longitudinally connected with the outer ends of the upper L-shaped connecting piece, the two ends of the lower rear supporting rod are longitudinally connected with the rear wheel bracket connecting pieces at two sides through the lower L-shaped connecting piece, the upper ends of the upper bottom supporting rod extend into the inner side of the U-shaped connecting piece, the lower ends of the lower bottom supporting rod extend into the U-shaped connecting piece to be connected with the middle part of a front wheel bracket component, the upper bottom supporting rod and the lower bottom supporting rod are connected by a pin joint at the middle part of the two bottom supporting rods; the invention has small bidirectional folding volume and is convenient to carry.
Description
Technical Field
The invention relates to the technical field of baby strollers, in particular to a bidirectional folding baby stroller frame.
Background
At present, a baby stroller is a necessary tool for going out, and users pay more attention to the characteristics of small volume, foldability and the like of the baby stroller besides the basic requirements of pursuing the stability and safety of the baby stroller. The products on the market at present cannot be folded integrally at one time, the products on the market cannot be folded integrally in two directions, and when the frame is folded or unfolded, the frame is complex, interference is caused by too many parts, so that folding and unfolding cannot be performed smoothly, the occupied space after folding is still relatively large, carrying is not facilitated, and the cost is relatively high.
Therefore, a bidirectional folding baby stroller frame which can realize the whole stroller stress support during the frame unfolding and the whole stroller linkage during the frame folding process, avoid the mutual interference between frame components, has small whole stroller folding volume and is convenient to carry is needed.
Disclosure of Invention
The invention mainly solves the technical problem of providing the bidirectional folding baby stroller frame which can be folded in two directions, reduces the folding volume of the whole stroller and is convenient to carry.
In order to solve the technical problems, the invention adopts a technical scheme that: the utility model provides a two-way folding baby stroller frame, including bilateral symmetry's front wheel support subassembly, side grab rail, rear wheel support subassembly, U type push handle pole, push rod connecting piece, folding rotatable folding connection piece, last L type connection piece, lower L type connection piece, seatpad pole, seatpad connecting rod, and rear stay bar subassembly, bottom stay bar subassembly and U type connecting piece, the upper end of both sides front wheel support subassembly all with the lower extreme head and the tail swing joint of side grab rail, the front end of rear wheel support subassembly all is connected to the tie point of front wheel support subassembly and side grab rail, the both sides lower extreme of push handle pole and the upper end of push rod are all connected through the push rod connecting piece, the lower extreme of push rod is provided with sliding connection piece, rear wheel support connecting piece has been cup jointed to rear wheel support connecting piece on the upper portion in the rear wheel support connecting piece, rotatable push rod joint of upper end fixedly connected with of rear wheel support connecting piece, the upper end of the push rod joint is provided with a sliding connecting piece, the lower ends of the folding connecting pieces at two sides are riveted at the middle lower part of the rear wheel bracket assembly, the outer sides of the middle upper parts of the folding connecting pieces at two sides are connected to the sliding connecting piece by rivets, the inner sides of the middle upper parts of the folding connecting pieces at two sides are connected with an upper L-shaped connecting piece, the upper ends of the folding connecting pieces are connected with a seat cushion rod, the middle part of the seat cushion rod is connected to the rear wheel bracket assembly through a seat cushion connecting rod, the middle part of the seat cushion rod and the upper end of the seat cushion connecting rod are connected by rivets, the rear supporting rod assembly comprises an upper rear supporting rod and a lower rear supporting rod, the two sides of the upper rear supporting rod are longitudinally connected to the outer ends of the upper L-shaped connecting pieces and are positioned between the sliding connecting pieces, the two ends of the lower rear supporting rod are longitudinally connected to the lower ends of the rear wheel bracket connecting pieces at two sides by the lower L-shaped connecting pieces, the bottom supporting rod assembly is an upper bottom supporting rod and a lower bottom supporting rod, the upper ends of the upper bottom stay bars extend into the inner sides of the upper L-shaped connecting sheets connected in the U-shaped connecting pieces, the lower ends of the lower bottom stay bars extend into the middle parts of the front wheel support assemblies connected in the U-shaped connecting pieces, the upper bottom stay bars and the lower bottom stay bars are connected through middle pin joints of the two bottom stay bars, and the left and right overlapped parts of the upper bottom stay bars and the lower bottom stay bars are also connected through pin joints.
Further, the multifunctional tent comprises a U-shaped tent head component, a pedal belt horizontally connected between the front wheel bracket components, a knob component arranged in the middle of a push handle rod, a front wheel component, a backrest adjusting seat, a backrest component, a backrest adjusting seat connecting sheet arranged below the backrest adjusting seat and a rear wheel component arranged at the lower end of the rear wheel bracket component, wherein the knob component is arranged in the middle of the push handle rod, the front wheel component, the backrest adjusting seat and the backrest adjusting seat are symmetrically arranged in left and right, the backrest adjusting seat connecting sheet is arranged below the front wheel bracket component, the rear wheel component is arranged below the backrest adjusting seat, the upper ends of the side rest rods are vertically connected to two sides of the tent head component, the two sides of the tent head component are also connected to a push rod connecting piece through rivets, the lower end of the backrest adjusting seat connecting sheet is connected to the lower part of the backrest adjusting seat through rivets, and the upper end of the seat cushion rod penetrates through the backrest adjusting seat;
further, the upper rear stay bar and the lower rear stay bar are connected by a pin joint between the two stay bars, and the left and right overlapped parts of the upper rear stay bar and the lower rear stay bar are also connected by a pin joint;
further, the push rod joint is of a structure which rotates relative to the rear wheel bracket connecting piece, and the sliding connecting piece is of a structure which can slide along the lower push rod;
further, the front wheel bracket components, the side grab bars and the rear wheel bracket components on the two sides are connected by rivets to form a rotatable structure, and the front wheel bracket components, the side grab bars and the rear wheel bracket components on the two sides form an inclined T-shaped structure;
further, the push handle rod, the tent head component, the side grab rails at two sides and the lower push rod form a K-shaped structure.
The beneficial effects of the invention are as follows: the folding bicycle is stable and reliable in structure, the left and right folding and the up and down folding of the whole bicycle are realized through the folding connecting sheet, the rear supporting rod assembly and the bottom supporting rod assembly, and the whole bicycle is folded in a bidirectional way, so that the folded size is smaller; through the two groups of structures of the side grab rail, the rear wheel bracket assembly, the front wheel bracket assembly, the sliding connecting piece, the push rod joint and the rear wheel bracket connecting piece, the folding bicycle frame can be in linkage with the whole bicycle for convenient folding, and the unfolding can reliably support the stress of the whole bicycle.
Drawings
FIG. 1 is a schematic perspective view of a frame of a bi-directional folding stroller of the present invention;
FIG. 2 is a schematic rear view of the frame of the pushchair shown;
FIG. 3 is a schematic diagram showing a partial structure of FIG. 1;
FIG. 4 is a schematic illustration of the folded configuration of the stroller frame shown;
the components in the drawings are marked as follows: 1. the bicycle comprises a front wheel assembly 2, a pedal belt 3, a front wheel bracket assembly 4, a U-shaped connecting piece 5, a lower bottom stay 6, a seat cushion rod 7, a seat cushion connecting rod 8, a side grab rod 9, a covering head assembly 10, a handle assembly 11, a push rod 12, a push rod connecting piece 13, a backrest assembly 14, a lower push rod 15, a backrest adjusting seat 16, a sliding connecting piece 17, a backrest adjusting seat connecting piece 18, a rear wheel bracket connecting piece 19, a rear wheel bracket assembly 20, an upper L-shaped connecting piece 21, a folding connecting piece 22, an upper rear supporting rod 23, a rear wheel assembly 24, a lower rear stay 25, a lower L-shaped connecting piece 26, an upper bottom stay 27 and a push rod joint.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making clear and defining the scope of the present invention.
Referring to fig. 1 to 4, an embodiment of the present invention includes: the left-right symmetrical front wheel bracket assembly 3, the side grab rail 8, the rear wheel bracket assembly 19, the U-shaped push handle rod 11, the lower push rod 14, the push rod connecting piece 12, the folding connecting piece 21 which can fold and rotate, the upper L-shaped connecting piece 20, the lower L-shaped connecting piece 25, the seat cushion rod 6, the seat cushion connecting rod 7, the rear support rod assembly, the bottom support rod assembly and the U-shaped connecting piece 4, the upper ends of the front wheel bracket assembly 3 on both sides are movably connected with the lower end of the side grab rail 8 end to end, the front end of the rear wheel bracket assembly 19 is connected to the connecting point of the front wheel bracket assembly 3 and the side grab rail 8, the lower ends of both sides of the push handle rod 11 and the upper end of the lower push rod 14 are connected through the push rod connecting piece 12, the lower end of the lower push rod 14 is provided with the sliding connecting piece 16, the middle upper part of the rear wheel bracket assembly 19 is sleeved with the rear wheel bracket connecting piece 18, the upper end of the rear wheel bracket connecting piece 18 is fixedly connected with a rotatable push rod joint 27, the upper end of the push rod joint 27 is provided with a sliding connecting piece 16, the lower ends of the folding connecting pieces 21 at two sides are riveted at the middle lower part of the rear wheel bracket assembly 19, the outer sides of the middle upper parts of the folding connecting pieces 21 at two sides are connected to the sliding connecting piece 16 by rivets, the inner sides of the middle upper parts of the folding connecting pieces 21 at two sides are connected with an upper L-shaped connecting piece 20, the upper ends of the folding connecting pieces 21 are connected with a seat cushion rod 6, the middle part of the seat cushion rod 6 is connected with the rear wheel bracket assembly 19 by a seat cushion connecting rod 7, the middle part of the seat cushion rod 6 and the upper end of the seat cushion connecting rod 7 are connected by rivets, the rear supporting rod assembly comprises an upper rear supporting rod 22 and a lower rear supporting rod 24, two sides of the upper rear supporting rod 22 are longitudinally connected to the outer ends of the upper L-shaped connecting piece 20 and are positioned between the sliding connecting pieces 16, the lower ends of the lower back stay bar 24 are longitudinally connected to the lower ends of the rear wheel bracket connecting pieces 18 on the two sides through lower L-shaped connecting pieces 25, the bottom stay bar assemblies are an upper bottom stay bar 26 and a lower bottom stay bar 5, the upper ends of the upper bottom stay bar 26 extend into the inner sides of the U-shaped connecting pieces 4 connected with the upper L-shaped connecting pieces 20, the lower ends of the lower bottom stay bar 5 extend into the middle parts of the U-shaped connecting pieces 4 connected with the front wheel bracket assembly 3, the upper bottom stay bar 26 and the lower bottom stay bar 5 are connected by middle pins of the two bottom stay bars, and the left and right overlapped parts of the upper bottom stay bar 26 and the lower bottom stay bar 5 are also connected by pins.
Further, the device also comprises a U-shaped tent head component 9, a pedal belt 2 horizontally connected between the front wheel bracket components 3, a knob component 10 arranged in the middle of a push handle rod 11, a front wheel component 1, a backrest adjusting seat 15, a backrest component 13, a backrest adjusting seat connecting sheet 17 arranged below the backrest adjusting seat 15 and a rear wheel component 23 arranged at the lower end of the rear wheel bracket component 19, wherein the upper ends of the side rest rods 8 are vertically connected to two sides of the tent head component 9, the two sides of the tent head component 9 are also connected to push rod connecting pieces 12 through rivets, the lower ends of the backrest adjusting seat connecting sheet 17 are connected to a seat cushion connecting rod 7, the upper ends of the backrest adjusting seat connecting sheet 17 are connected to the lower part of the backrest adjusting seat 15 through rivets, the backrest adjusting seat 15 is connected to the lower end of the backrest component 13 in a sliding manner, and the upper ends of the seat cushion rod 6 penetrate through the backrest adjusting seat 15; three-gear adjustment of the backrest component 13 can be realized through the backrest adjusting seat 15 and the backrest adjusting seat connecting sheet 17, so that the whole vehicle can be adjusted more comfortably;
the upper rear stay bar 22 and the lower rear stay bar 24 are connected by a pin joint between the two stay bars, and the left and right overlapped parts of the upper rear stay bar 22 and the lower rear stay bar 24 are also connected by a pin joint;
further, the push rod joint 27 is configured to rotate relative to the rear wheel bracket connection member 18, and the sliding connection member 16 is configured to slide along the push rod 14;
further, the connection points of the front wheel bracket assemblies 3, the side grab bars 8 and the rear wheel bracket assemblies 19 on the two sides are connected by rivets to form a rotatable structure, and the front wheel bracket assemblies 3, the side grab bars 8 and the rear wheel bracket assemblies 19 on the two sides all form an inclined T-shaped structure;
further, the push handle bar 11 and the tent head component 9 form a K-shaped structure with the side grab bars 8 and the push down bars 14 at the two sides.
Specific examples:
when the folding frame is folded, the push rod connecting piece 12 is folded and rotated through the knob assembly 10, the push rod 11 drives the tent head assembly 9 to rotate and fold relative to the side grab handle assembly 8, the rear wheel support assembly 19 and the front wheel support assembly 3 are simultaneously folded and rotated, the rear wheel support assembly 19 and the side grab handle assembly 8 are folded and folded relative to the front wheel support assembly 3, the push rod joint 27 on the rear wheel support connecting piece 18 is rotated, the lower push rod 14 rotates along with the push rod joint 27 in the same direction, meanwhile, the sliding connecting piece 16 slides along the lower push rod 14 in the direction close to the push rod connecting piece 12, the lower push rod 14 is folded and folded towards the front wheel support assembly 3, and meanwhile, the folding connecting piece 21 rotates up and down to drive the rear support assembly and the bottom support assembly to rotate and fold, so that the upper and lower folding and folding of the whole frame are realized;
during unfolding, the rear stay bar assembly and the bottom stay bar assembly are unfolded up and down and left and right, the folding connecting piece 21 is rotated up and down, the side grab bar 8, the rear wheel bracket assembly 19 and the front wheel bracket assembly 3 are unfolded until the side grab bar 8 and the front wheel bracket assembly 3 are connected and locked, meanwhile, the push rod joint 27 on the rear wheel bracket connecting piece 18 is rotated, so that the lower push rod 14 rotates along with the push rod joint 27 in the same direction, the sliding connecting piece 16 slides along the lower push rod 14 in a direction away from the push rod connecting piece 12 and slides to the upper side of the push rod joint 27, the rear wheel bracket connecting piece 18 and the sliding connecting piece 16 are locked, meanwhile, the push rod connecting piece 12 is connected with the locking push rod 11 and the lower push rod 14, and the whole frame is unfolded and locked.
The folding connecting piece 21, the rear supporting rod assembly and the bottom supporting rod assembly are used for realizing left-right folding and up-down folding of the whole vehicle, and the whole vehicle is folded in a bidirectional manner, so that the folded volume is smaller; through the two groups of structures of the side grab rail 8, the rear wheel bracket assembly 19, the front wheel bracket assembly 3, the sliding connecting piece 16, the push rod joint 27 and the rear wheel bracket connecting piece 18, the folding bicycle frame can be interlocked to facilitate folding, unfolding and reliably support the stress of the bicycle, the invention realizes the whole bicycle stress support when the bicycle frame is unfolded and the whole bicycle interlocking in the folding process of the bicycle frame, reduces the folding volume of the whole bicycle while ensuring the original functions of the bicycle frame, ensures that the folding bicycle frame is more convenient and simpler to assemble and disassemble, reduces the cost, avoids mutual interference among bicycle frame parts, and is convenient for carrying the whole bicycle.
The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present invention.
Claims (5)
1. The bidirectional folding baby stroller frame comprises a front wheel bracket assembly, side grab bars, a rear wheel bracket assembly, a U-shaped push handle bar, a lower push rod, a push rod connecting piece, a folding connecting piece capable of folding and rotating, an upper L-shaped connecting piece, a lower L-shaped connecting piece, a seat cushion bar, a seat cushion connecting rod, a rear support bar assembly, a bottom support bar assembly and a U-shaped connecting piece, wherein the upper ends of the front wheel bracket assemblies on two sides are movably connected with the lower ends of the side grab bars head and tail, the front ends of the rear wheel bracket assemblies are connected to the connecting points of the front wheel bracket assemblies and the side grab bars, the baby stroller frame is characterized in that the lower ends of two sides of the push handle bar are connected with the upper ends of the lower push rod through the push rod connecting piece, the lower end of the lower push rod is provided with a sliding connecting piece, the middle upper part of the rear wheel bracket connecting piece is sleeved on the rear wheel bracket connecting piece, the upper end of the rear wheel bracket connecting piece is fixedly connected with a rotatable push rod joint, the upper end of the push rod joint is provided with a sliding connecting piece, the lower ends of the folding connecting pieces at two sides are riveted at the middle lower part of the rear wheel bracket assembly, the outer sides of the middle upper parts of the folding connecting pieces at two sides are connected to the sliding connecting piece by rivets, the inner sides of the middle upper parts of the folding connecting pieces at two sides are connected with an upper L-shaped connecting piece, the upper ends of the folding connecting pieces are connected with a seat cushion rod, the middle part of the seat cushion rod is connected to the rear wheel bracket assembly through a seat cushion connecting rod, the middle part of the seat cushion rod is connected with the upper end of the seat cushion connecting rod through rivets, the rear supporting rod assembly comprises an upper rear supporting rod and a lower rear supporting rod, two sides of the upper rear supporting rod are longitudinally connected to the outer ends of the upper L-shaped connecting piece and are positioned between the sliding connecting pieces, two ends of the lower rear supporting rod are longitudinally connected to the lower ends of the rear wheel bracket connecting pieces at two sides through lower L-shaped connecting pieces, the upper ends of the upper bottom stay bars extend into the inner sides of the upper L-shaped connecting sheets connected with the U-shaped connecting pieces, the lower ends of the lower bottom stay bars extend into the middle parts of the front wheel bracket components connected with the U-shaped connecting pieces, the upper bottom stay bars and the lower bottom stay bars are connected by the middle pin joint of the two bottom stay bars, and the left and right overlapped parts of the upper bottom stay bars and the lower bottom stay bars are also connected by pin joint;
the novel multifunctional awning comprises a front wheel support assembly, a backrest adjusting seat, a backrest assembly, backrest adjusting seat connecting pieces, a rear wheel assembly and a rivet, wherein the front wheel assembly is arranged at the lower end of the front wheel support assembly, the backrest adjusting seat is arranged at the backrest adjusting seat, the backrest connecting pieces are arranged at the lower end of the rear wheel support assembly, the upper ends of the side rest bars are vertically connected to two sides of the awning head assembly, two sides of the awning head assembly are connected to a push rod connecting piece through the rivet, the lower ends of the backrest adjusting seat connecting pieces are connected to a seat cushion connecting rod, the upper ends of the backrest adjusting seat connecting pieces are connected to the lower end of the backrest adjusting seat through the rivet, the backrest adjusting seat is slidably connected to the lower end of the backrest assembly, and the upper ends of the seat cushion rod penetrate through the backrest adjusting seat.
2. The bi-directional folding stroller frame according to claim 1, wherein: the upper back stay bar and the lower back stay bar are connected by the middle pin joint of the two stay bars, and the left and right overlapped parts of the upper back stay bar and the lower back stay bar are also connected by the pin joint.
3. The bi-directional folding stroller frame according to claim 1, wherein: the push rod joint is of a structure which rotates relative to the rear wheel bracket connecting piece, and the sliding connecting piece is of a structure which can slide along the lower push rod.
4. The bi-directional folding stroller frame according to claim 1, wherein: the front wheel bracket components, the side grab bars and the rear wheel bracket components on two sides are connected by rivets to form a rotatable structure, and the front wheel bracket components, the side grab bars and the rear wheel bracket components on two sides form an inclined T-shaped structure.
5. The bi-directional folding stroller frame according to claim 1, wherein: the push handle rod, the tent head component, the side grab bars at two sides and the lower push rod form a K-shaped structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710663755.3A CN107458447B (en) | 2017-08-06 | 2017-08-06 | Bidirectional folding baby stroller frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710663755.3A CN107458447B (en) | 2017-08-06 | 2017-08-06 | Bidirectional folding baby stroller frame |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107458447A CN107458447A (en) | 2017-12-12 |
| CN107458447B true CN107458447B (en) | 2024-02-06 |
Family
ID=60547470
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710663755.3A Active CN107458447B (en) | 2017-08-06 | 2017-08-06 | Bidirectional folding baby stroller frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107458447B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108100010A (en) * | 2017-12-25 | 2018-06-01 | 深圳市秀宝婴童用品有限公司 | It is a kind of secondary to draw close the baby stroller to return the vehicle to the garage and knock off |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN107458447A (en) | 2017-12-12 |
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