CN108583669B - Bidirectional folding cart - Google Patents
Bidirectional folding cart Download PDFInfo
- Publication number
- CN108583669B CN108583669B CN201810424418.3A CN201810424418A CN108583669B CN 108583669 B CN108583669 B CN 108583669B CN 201810424418 A CN201810424418 A CN 201810424418A CN 108583669 B CN108583669 B CN 108583669B
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- Prior art keywords
- rod
- shaft
- push rod
- cart
- seat
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- 230000002457 bidirectional effect Effects 0.000 title claims abstract description 12
- 230000000712 assembly Effects 0.000 claims description 12
- 238000000429 assembly Methods 0.000 claims description 12
- 230000007246 mechanism Effects 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 2
- 239000004744 fabric Substances 0.000 description 4
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000007306 turnover Effects 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B9/00—Accessories or details specially adapted for children's carriages or perambulators
Abstract
The invention discloses a bidirectional folding cart, which comprises a cart frame, wherein the cart frame comprises side brackets arranged on the left side and the right side and a transverse support assembly arranged between the side brackets on the two sides, each side bracket comprises a bottom rod, a front connecting rod, a rear supporting rod, an inclined supporting rod, a push rod and a seat rod assembly, and the bottom rod comprises a front rod and a rear rod which respectively extend along the front and rear directions and relatively slide and stretch along the front and rear directions. When the cart frame is folded, the push rod is only required to be rotated, so that the bottom rod, the front connecting rod, the rear supporting rod, the inclined supporting rod, the push rod and the seat rod assembly can be driven to be folded by relative movement, and the side brackets on two sides can be gradually folded along the left and right directions, so that the folding of the cart frame in the up-down direction, the front-back direction and the left-right direction is realized, the structure is simple and reliable, the operation is very convenient, the folding can be completed quickly, the volume of the folded cart is compact, and the storage and the carrying are convenient.
Description
Technical Field
The invention relates to a bidirectional folding cart.
Background
Most of the existing trolleys in the current market are large in folding volume, are unfavorable for storage and transportation, and even if a small number of trolleys are small in folding volume, the folding operation is complex, and the trolleys can be completely folded through multiple steps of operation. Therefore, a cart with small folding volume and convenient folding is needed.
Disclosure of Invention
The invention aims to provide a bidirectional folding cart which is convenient to fold and operate, flat in structure and small in size after being folded.
In order to achieve the above purpose, the invention adopts the following technical scheme: the bidirectional folding cart comprises a cart frame with an unfolding state and a folding state, a wheel assembly arranged at the bottom of the cart frame, and a locking mechanism for locking the cart frame in the unfolding state, wherein the cart frame comprises two side brackets arranged on the left side and the right side respectively and a transverse support assembly which is arranged between the side brackets on the two sides and can be folded transversely, each side bracket comprises a bottom rod, a front connecting rod, a rear supporting rod, an inclined supporting rod, a push rod and a seat rod assembly,
the bottom rod comprises a front rod and a rear rod which extend along the front-rear direction respectively and relatively slide and stretch along the front-rear direction, the front connecting rod extends from front to rear in an upward tilting manner, the lower part of the front connecting rod is in pivot connection with the front part of the front rod through a first shaft, and the upper part of the front connecting rod is in pivot connection with the lower part of the push rod through a second shaft; the rear stay bar extends along the up-down direction, the lower part of the rear stay bar is connected to the rear stay bar through a third shaft pivot, the upper part of the rear stay bar is connected with the lower part of the push rod through a fourth shaft pivot, and the axial leads of the second shaft and the fourth shaft are mutually parallel; the front part of the diagonal brace is connected to the lower part of the front connecting rod through a fifth shaft pivot or is connected to the front part of the front rod through a sixth shaft pivot, the rear part of the diagonal brace is connected to the rear brace through a sixth shaft pivot, the axes of the first shaft and the fifth shaft extend in parallel or in a line, the seat rod assembly comprises a seat rod extending in the front-rear direction and a sliding piece connected to the rear brace through a pivot, the front part of the seat rod is connected to the front connecting rod through a pivot, and the sliding piece is slidingly arranged on the seat rod along the extending direction of the seat rod; the transverse support assembly comprises a bottom support rod assembly arranged between the bottom rods at two sides and an upper support rod assembly arranged between the lower parts of the front connecting rods at two sides and the rear parts of the seat rods.
Preferably, the bottom bracket assembly comprises two bottom brackets disposed across and pivotally connected at a crossing, the bottom brackets extending in a front-rear direction, a front portion of the bottom bracket being rotatably connected to a front portion of the rear bracket on one side and a rear portion of the bottom bracket being rotatably connected to a rear portion of the front bracket on the other side.
Preferably, the upper stay assembly comprises two upper stays which are arranged in a crossing manner and are pivotally connected at the crossing position, the upper stays are arranged in a manner of extending from front to back in an upward tilting manner, the front parts of the upper stays are rotationally connected to the lower parts of the front connecting rods or the lower parts of the inclined stays on one side, and the rear parts of the upper stays are rotationally connected to the rear parts of the seat posts on the other side.
Further preferably, the front part of the upper stay is pivotally connected with a front connecting piece through a front connecting shaft, the front connecting piece is pivotally connected with the front connecting rod or the diagonal stay through the first shaft/the fifth shaft, the first shaft and the axis of the fifth shaft are arranged in a collinear manner, and the axis of the front connecting shaft and the axis of the first shaft are arranged in a mutually perpendicular manner.
As a specific embodiment, the rear portion of the upper stay is connected to the rear portion of the seat post by a rear connecting member, and the rear connecting member is located on the seat post rearward of the slider.
Preferably, the rear rod is provided with a chute extending along the length direction thereof and having a downward opening, and the rear part of the front rod is inserted in the chute in a sliding fit manner.
Preferably, the front portion of the seat post is pivotally connected to the front link by a seventh axle, the slider is pivotally connected to the rear stay by an eighth axle, the seventh axle is located between the first and second axles on the front link, and the eighth axle is located between the fourth and sixth axles on the rear stay.
Preferably, the wheel assemblies are provided with two groups respectively arranged at the left side and the right side, each group of wheel assemblies comprises a front wheel assembly arranged at the front part of the front rod bottom and a rear wheel assembly arranged at the rear part of the rear rod bottom, and when the cart frame is in a folded state, the two groups of front wheel assemblies and the rear wheel assemblies are jointly supported on the ground.
Preferably, the push rod comprises an upper push rod and a lower push rod which are folded relatively along the length direction, and a push rod locking piece for locking the upper push rod and the lower push rod, and the lower push rod is connected with the front connecting rod and the rear supporting rod.
Further preferably, the locking mechanism comprises a locking joint arranged between the upper part of the front connecting rod and the lower part of the lower push rod and used for locking the front connecting rod and the lower push rod, and the locking joint is in linkage unlocking in the process that the upper push rod is folded relative to the lower push rod after the push rod locking piece is unlocked.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages: the bidirectional folding cart disclosed by the invention can be folded by driving the bottom rod, the front connecting rod, the rear supporting rod, the inclined supporting rod, the push rod and the seat rod assembly to move relatively only by rotating the push rod during folding, and can enable the side brackets on two sides to be gradually folded along the left-right direction at the same time, so that the folding of the cart frame in the up-down direction, the front-back direction and the left-right direction is realized, the structure is simple and reliable, the operation is very convenient, the folding can be completed quickly, the volume of the cart after folding is compact, and the storage and the carrying are convenient.
Drawings
FIG. 1 is a perspective view of a folding cart of the present invention in an unfolded state;
FIG. 2 is a second perspective view of the folding cart of the present invention in an unfolded state;
FIG. 3 is a side view of the folding cart of the present invention in an unfolded state;
FIG. 4 is a schematic side view of the folding cart of the present invention in use after a seat pocket cloth cover is placed;
FIG. 5 is a side view of the push rod of the folding cart of the present invention after folding;
FIG. 6 is a side view of the folding cart of the present invention in a semi-folded condition;
FIG. 7 is an isometric view of the folding cart of the present invention in a semi-folded condition;
FIG. 8 is a side view of the folding cart of the present invention in a folded condition;
FIG. 9 is a top view of the folding cart of the present invention in a folded condition;
wherein: 10. a side bracket; 20. a front wheel assembly; 30. a rear wheel assembly; 40. seat pocket cloth cover;
1. a bottom bar; 11. a front rod; 12. a rear rod; 2. a front link; 3. a rear stay; 4. a diagonal brace; 5. a push rod; 51. a push rod is downwards pushed; 52. an upper push rod; 53. a push rod locking member; 6. a seat post assembly; 61. a seat rod; 62. a slider (sliding sleeve); 7. a bottom stay assembly; 71. a bottom stay; 8. an upper brace assembly; 81. an upper stay bar; 82. a front connecting shaft; 83. a front connector; 84. a rear connecting member; 9. locking the joint;
101. a first shaft; 102. a second shaft, 103, a third shaft; 104. a fourth shaft; 105. a fifth shaft; 106. a sixth shaft; 107. a seventh axis; 108. and an eighth axis.
Detailed Description
The technical scheme of the invention is further described below with reference to the attached drawings and specific embodiments.
Referring to fig. 1 to 9, the bi-directional folding cart includes a cart frame having an unfolded state and a folded state, a wheel assembly provided at the bottom of the cart frame, and a locking mechanism for locking the cart frame in the unfolded state, wherein the cart frame includes two side brackets 10 provided separately at left and right sides, and a cross brace assembly provided between the side brackets 10 and capable of being folded in a lateral direction.
Referring to fig. 1 to 4, the side brackets 10 of each side include a bottom bar 1, a front link 2, a rear stay 3, a diagonal stay 4, a push bar 5, and a seat bar assembly 6. The bottom rod 1 includes a front rod 11 and a rear rod 12 which extend in the front-rear direction and are capable of sliding and expanding in the front-rear direction, and specifically, a slide groove extending in the longitudinal direction and having a downward opening is formed in the rear rod 12, and the rear portion of the front rod 11 is inserted into the slide groove in a sliding fit manner.
The front connecting rod 2 extends from front to back in an upward tilting way, the lower part of the front connecting rod 2 is pivotally connected with the front part of the front rod 11 through a first shaft 101, and the upper part of the front connecting rod 2 is pivotally connected with the lower part of the push rod 5 through a second shaft 102; the lower part of the rear stay bar 3 is pivotally connected to the rear rod 12 through a third shaft 103, the upper part of the rear stay bar 3 is pivotally connected to the lower part of the push rod 5 through a fourth shaft 104, and the axial lines of the fourth shaft 104 and the second shaft 102 are mutually parallel; the front part of the diagonal brace 4 is pivotally connected to the lower part of the front link 2 or to the front part of the front link 11 via a fifth shaft 105, and the rear part of the diagonal brace 4 is pivotally connected to the rear brace 3 via a sixth shaft 106, and the axes of the first shaft 101 and the fifth shaft 105 extend parallel or collinear with each other, and in this embodiment, the first shaft 101 and the fifth shaft 105 are coaxially arranged.
The seat bar assembly 6 includes a seat bar 61 extending in the front-rear direction and a sliding member 62 pivotally connected to the rear stay 3, wherein the front portion of the seat bar 61 is pivotally connected to the front link 2 via a seventh shaft 107, the sliding member 62 is a sliding sleeve slidably fitted over the seat bar 61, the sliding sleeve 62 is pivotally connected to the rear stay 3 via an eighth shaft 108, the seventh shaft 107 is located between the first shaft 101 and the second shaft 102 on the front link 2, and the eighth shaft 108 is located between the fourth shaft 104 and the sixth shaft 106 on the rear stay 3. A seat cloth cover 40 may be disposed above the seat bar 61 and between the push bars 5 on both sides, such that the seat cloth cover 40 and the seat bar assembly 6 together form a seat mechanism for seating a child on the stroller frame, as shown in fig. 4.
Referring to fig. 1 to 4, in the present embodiment, the push rod 5 includes a lower push rod 51 and an upper push rod 52 which are folded relatively in the longitudinal direction, and a push rod locking member 53 for locking the upper push rod 52 and the lower push rod 51, and the push rod 5 is pivotally connected to the front link 2 and the rear stay 3 via the lower push rod 51, respectively. In other embodiments, the push rod 5 may be configured to be foldable in other manners, such as sliding and telescoping.
As described above, in the side brackets 10 of the cart frame of the present embodiment, the four-bar mechanism is formed among the front link 2, the lower push rod 51, the rear stay 3 and the diagonal stay 4, the slider-crank mechanism is formed among the front link 11, the rear link 12, the diagonal stay 4 and the rear stay 3, and the slider-crank mechanism is also formed among the seat bar 61, the slide bush 62, the lower push rod 51 and the front link 2. The locking mechanism on the cart frame comprises a locking joint 9 arranged between the upper part of the front connecting rod 2 and the lower part of the lower push rod 51 and used for locking the front connecting rod 2 and the lower push rod 51, and when the locking joint 9 is locked, the four-connecting rod mechanism and the two crank sliding block mechanisms are both locked. During the setting, can set up the linkage unblock between this locking joint 9 and the push rod locking joint 53, specifically, the in-process linkage unblock locking joint 9 that upper push rod 52 was folded up relative to lower push rod 51 after push rod locking piece 53 unblock, this makes the folding operation of frame more smooth and easy, simplifies the in-process user's that the frame was folded operation.
Referring to fig. 1 and 2, the wale assembly includes a bottom stay assembly 7 provided between the two side bottom links 1 and an upper stay assembly 8 provided between the lower portions of the two side front links 2 and the rear portions of the seat bars 61. In this embodiment, the bottom stay assembly 7 and the upper stay assembly 8 are both cross stay assemblies.
Specifically, the bottom stay assembly 7 includes two bottom stays 71 disposed to intersect and pivotally connected at the intersection, the two bottom stays 71 each extending in the front-rear direction, each bottom stay 71 being connected with the bottom stays 1 on both sides as follows: the front portion of the bottom stay 71 is rotatably coupled to the front portion of the one side rear rod 12 and the rear portion of the bottom stay 71 is rotatably coupled to the rear portion of the other side front rod 11. The two bottom rods 71 are relatively rotated to be folded in the left-right direction, and the front rod 11 and the rear rod 12 on the two bottom rods 1 are relatively stretched in the front-rear direction.
The upper stay bar assembly 8 comprises two upper stay bars 81 which are mutually intersected and pivotally connected at the intersection, the two upper stay bars 81 extend upwards from front to back respectively, and each upper stay bar 81 is connected with the side brackets 10 on two sides in the following manner: the front portion of the upper stay 81 is rotatably connected to the lower portion of the one-side front link 2 or the lower portion of the diagonal stay 4, and the rear portion of the upper stay 81 is rotatably connected to the rear portion of the other-side seat post 61. In the present embodiment, the front portion of the upper stay 81 is pivotally connected to a front link 83 via a front link shaft 82, the front link 83 is pivotally connected to the front link 2 and the diagonal stay 4 via the first shaft 101/the fifth shaft 105, and the axis of the front link shaft 82 is perpendicular to the axis of the first shaft 101; the rear portion of upper strut 81 is rotatably coupled to the rear portion of seat post 61 by rear link 84, which rear link 84 is located on seat post 61 rearward of sliding sleeve 62.
The wheel assemblies are respectively arranged on the left side and the right side, and each wheel assembly comprises a front wheel assembly 20 arranged at the front part of the bottom of the front rod 11 and a rear wheel assembly 30 arranged at the rear part of the bottom of the rear rod 12. When the stroller frame is in the unfolded state, as shown in fig. 1 to 4, the side brackets 10 on both sides are unfolded, the bottom stay assembly 7 and the upper stay assembly 8 are unfolded and supported between the side brackets 10 on both sides in the left-right direction, respectively, and the two sets of front wheel assemblies 20 and the rear wheel assemblies 30 are supported on the ground together. On each side bracket 10, a triangular stable supporting structure is formed among the bottom rod 1, the front connecting rod 2 and the rear supporting rod 3, so that the frame has good rigidity in the unfolded state.
When the cart frame needs to be folded, after the push rod locking piece 53 is unlocked, the upper push rod 52 is driven to turn over and fold relative to the lower push rod 51 according to the direction A in fig. 3 until the upper push rod 52 turns over and folds to the rear side of the lower push rod 51, as shown in fig. 5, and at the moment, the locking joint 9 is unlocked; continuing to flip the entire push rod 5 forward in the direction B as shown in fig. 5, the bottom rod 1, the front connecting rod 2, the rear supporting rod 3, the diagonal supporting rod 4, the seat rod assembly 6 and the push rod 5 in each side bracket 10 rotate relatively to gradually fold up and down, and the rear rod 12 in the bottom rod 1 gradually slides forward in the direction C relative to the front rod 11, so that the rear wheel assembly 30 moves toward the front approaching front wheel assembly 20, as shown in fig. 6 and 7. At the same time, the two bottom supporting rods 71 and the two upper supporting rods 81 are respectively rotated relatively to gradually retract along the left-right direction, and further drive the rod members in the side brackets 100 to gradually retract along the up-down direction. Finally, in the state shown in fig. 8 and 9, the cart frame is folded, the front rod 11 and the rear rod 12 in the bottom rod 1 slide in the front-rear direction to be shortened, the front connecting rod 2, the rear supporting rod 3, the diagonal supporting rod 4, the seat rod 61 and the push rod 5 are tightly folded in the up-down direction, the bottom supporting rod assembly 7 and the upper supporting rod assembly 8 are folded in the left-right direction to enable the two side brackets 10 to be folded in the transverse direction, and the cart frame is jointly supported on the ground by the front wheel assembly 20 and the rear wheel assembly 30. The folded frame has obviously reduced size in all directions, and each rod piece is compact in arrangement and has a very flat structure, so that the frame is convenient to store and transport.
When the trolley frame needs to be unfolded for use, only the upper push rod 52 needs to be pulled upwards to enable the trolley frame to be turned over and opened relative to the lower push rod 51, and after the upper part of the front connecting rod 2 and the upper part of the rear supporting rod 3 are driven to ascend by the lower push rod 51, the rod pieces in the side brackets 10 move relatively to gradually open along the front-back direction and the up-down direction, and the two bottom supporting rods 71 of the bottom supporting rod assembly 7 and the two upper supporting rods 81 of the upper supporting rod assembly 8 rotate relatively to gradually open along the left-right direction, so that the trolley frame is gradually unfolded along the left-right direction. Until the stroller frame is fully unfolded, the locking joint 9 and the push rod locking piece 53 are respectively locked, and the stroller frame is stably locked in an unfolded state.
In summary, the frame folding principle of the bidirectional folding cart is simple and reliable, the folding and unfolding of the cart in the front-back, left-right, up-down directions can be realized, the bidirectional folding cart is convenient to carry and operate, and the bidirectional folding cart is high in practicability.
The above embodiments are provided to illustrate the technical concept and features of the present invention and are intended to enable those skilled in the art to understand the content of the present invention and implement the same, and are not intended to limit the scope of the present invention. All equivalent changes or modifications made in accordance with the spirit of the present invention should be construed to be included in the scope of the present invention.
Claims (8)
1. The bidirectional folding cart comprises a cart frame with an unfolding state and a folding state, a wheel assembly arranged at the bottom of the cart frame, and a locking mechanism for locking the cart frame in the unfolding state, wherein the cart frame comprises two side brackets arranged at the left side and the right side respectively and a transverse support assembly arranged between the side brackets at the two sides and capable of being folded transversely, the bidirectional folding cart is characterized in that the side brackets at each side comprise a bottom rod, a front connecting rod, a rear supporting rod, an inclined supporting rod, a push rod and a seat rod assembly,
the bottom rod comprises a front rod and a rear rod which extend along the front-rear direction respectively and relatively slide and stretch along the front-rear direction, the front connecting rod extends from front to rear in an upward tilting manner, the lower part of the front connecting rod is in pivot connection with the front part of the front rod through a first shaft, and the upper part of the front connecting rod is in pivot connection with the lower part of the push rod through a second shaft; the rear stay bar extends along the up-down direction, the lower part of the rear stay bar is connected to the rear stay bar through a third shaft pivot, the upper part of the rear stay bar is connected with the lower part of the push rod through a fourth shaft pivot, and the axial leads of the second shaft and the fourth shaft are mutually parallel; the front part of the diagonal brace is connected to the lower part of the front connecting rod through a fifth shaft pivot or is connected to the front part of the front rod through a sixth shaft pivot, the rear part of the diagonal brace is connected to the rear brace through a sixth shaft pivot, the axes of the first shaft and the fifth shaft extend in parallel or in a line, the seat rod assembly comprises a seat rod extending in the front-rear direction and a sliding piece connected to the rear brace through a pivot, the front part of the seat rod is connected to the front connecting rod through a pivot, and the sliding piece is slidingly arranged on the seat rod along the extending direction of the seat rod;
the upper brace component comprises two upper brace rods which are arranged in a crossing way and are connected with the rear part of the seat rod in a pivot way, the upper brace rods are arranged in a tilting way from front to back, the front parts of the upper brace rods are rotationally connected with the lower parts of the front connecting rods or the lower parts of the diagonal brace rods on one side and the rear parts of the upper brace rods are rotationally connected with the rear parts of the seat rods on the other side, the front parts of the upper brace rods are connected with front connecting pieces through front connecting shafts in a pivot way, the front connecting pieces are connected with the front connecting rods through first shafts/fifth shafts in a pivot way, the first shafts and the axes of the fifth shafts are arranged in a collinear way, the axes of the front connecting shafts and the axes of the first shafts are mutually perpendicular,
when the trolley frame is in a folded state, the front rod and the rear rod in the bottom rod slide and shorten along the front-rear direction, and the front connecting rod, the rear supporting rod, the diagonal supporting rod, the seat rod and the push rod are folded above the bottom rod along the up-down direction.
2. The bi-fold cart of claim 1, wherein: the bottom stay bar assembly comprises two bottom stay bars which are arranged in a crossing way and are connected with each other in a pivot way at the crossing part, the bottom stay bars extend along the front-back direction, the front parts of the bottom stay bars are rotationally connected with the front parts of the rear rods on one side, and the rear parts of the bottom stay bars are rotationally connected with the rear parts of the front rods on the other side.
3. The bi-fold cart of claim 1, wherein: the rear part of the upper stay bar is connected to the rear part of the seat bar through a rear connecting piece, and the rear connecting piece is positioned behind the sliding piece on the seat bar.
4. The bi-fold cart of claim 1, wherein: the rear rod is provided with a chute extending along the length direction and having a downward opening, and the rear part of the front rod is inserted in the chute in a sliding fit manner.
5. The bi-fold cart of claim 1, wherein: the front part of the seat rod is connected to the front connecting rod through a seventh shaft pivot, the sliding piece is connected to the rear supporting rod through an eighth shaft pivot, the seventh shaft is located between the first shaft and the second shaft on the front connecting rod, and the eighth shaft is located between the fourth shaft and the sixth shaft on the rear supporting rod.
6. The bi-fold cart of claim 1, wherein: the wheel assemblies are provided with two groups which are respectively arranged at the left side and the right side, each group of wheel assemblies comprises a front wheel assembly arranged at the front part of the front rod bottom and a rear wheel assembly arranged at the rear part of the rear rod bottom, and when the cart frame is in a folded state, the two groups of front wheel assemblies and the rear wheel assemblies are jointly supported on the ground.
7. The bi-fold cart of claim 1, wherein: the push rod comprises an upper push rod and a lower push rod which are folded relatively along the length direction, and a push rod locking piece for locking the upper push rod and the lower push rod, and the lower push rod is connected with the front connecting rod and the rear supporting rod.
8. The bi-fold cart of claim 7, wherein: the locking mechanism comprises a locking joint which is arranged between the upper part of the front connecting rod and the lower part of the lower push rod and used for locking the front connecting rod and the lower push rod, and the locking joint is in linkage unlocking in the process that the upper push rod is folded relative to the lower push rod after the push rod locking piece is unlocked.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810424418.3A CN108583669B (en) | 2018-05-07 | 2018-05-07 | Bidirectional folding cart |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810424418.3A CN108583669B (en) | 2018-05-07 | 2018-05-07 | Bidirectional folding cart |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108583669A CN108583669A (en) | 2018-09-28 |
| CN108583669B true CN108583669B (en) | 2024-02-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810424418.3A Active CN108583669B (en) | 2018-05-07 | 2018-05-07 | Bidirectional folding cart |
Country Status (1)
| Country | Link |
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| CN (1) | CN108583669B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109367612A (en) * | 2018-10-25 | 2019-02-22 | 好孩子儿童用品有限公司 | Perambulator |
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| CN102666247A (en) * | 2009-11-13 | 2012-09-12 | 好孩子儿童用品有限公司 | Bi-directional foldable stroller |
| CN205632634U (en) * | 2016-04-20 | 2016-10-12 | 好孩子儿童用品有限公司 | Double children's stick for umbrella car |
| CN106515832A (en) * | 2016-11-25 | 2017-03-22 | 好孩子儿童用品有限公司 | Baby stroller |
| CN107757691A (en) * | 2017-10-19 | 2018-03-06 | 好孩子儿童用品有限公司 | A kind of folding children's barrow |
| CN207311555U (en) * | 2017-09-25 | 2018-05-04 | 好孩子儿童用品有限公司 | Bi-directional foldable stroller |
| CN208344303U (en) * | 2018-05-07 | 2019-01-08 | 好孩子儿童用品有限公司 | Bi-directional foldable stroller |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20170190349A1 (en) * | 2014-05-30 | 2017-07-06 | Goodbaby Child Products Co., Ltd. | Folding stroller |
-
2018
- 2018-05-07 CN CN201810424418.3A patent/CN108583669B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102666247A (en) * | 2009-11-13 | 2012-09-12 | 好孩子儿童用品有限公司 | Bi-directional foldable stroller |
| CN205632634U (en) * | 2016-04-20 | 2016-10-12 | 好孩子儿童用品有限公司 | Double children's stick for umbrella car |
| CN106515832A (en) * | 2016-11-25 | 2017-03-22 | 好孩子儿童用品有限公司 | Baby stroller |
| CN207311555U (en) * | 2017-09-25 | 2018-05-04 | 好孩子儿童用品有限公司 | Bi-directional foldable stroller |
| CN107757691A (en) * | 2017-10-19 | 2018-03-06 | 好孩子儿童用品有限公司 | A kind of folding children's barrow |
| CN208344303U (en) * | 2018-05-07 | 2019-01-08 | 好孩子儿童用品有限公司 | Bi-directional foldable stroller |
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| Publication number | Publication date |
|---|---|
| CN108583669A (en) | 2018-09-28 |
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