CN107336737B - Three-wheeled baby carriage - Google Patents

Three-wheeled baby carriage Download PDF

Info

Publication number
CN107336737B
CN107336737B CN201710581266.3A CN201710581266A CN107336737B CN 107336737 B CN107336737 B CN 107336737B CN 201710581266 A CN201710581266 A CN 201710581266A CN 107336737 B CN107336737 B CN 107336737B
Authority
CN
China
Prior art keywords
seat
pivoted
connecting rods
front wheel
fixing
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.)
Active
Application number
CN201710581266.3A
Other languages
Chinese (zh)
Other versions
CN107336737A (en
Inventor
刘祎敏
闵远超
江方明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tongyin Maternal And Infant Products Shanghai Co ltd
Original Assignee
Shanghai Babysing Maternal & Child Supplies Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shanghai Babysing Maternal & Child Supplies Co ltd filed Critical Shanghai Babysing Maternal & Child Supplies Co ltd
Priority to CN201710581266.3A priority Critical patent/CN107336737B/en
Publication of CN107336737A publication Critical patent/CN107336737A/en
Application granted granted Critical
Publication of CN107336737B publication Critical patent/CN107336737B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62BHAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B7/00Carriages for children; Perambulators, e.g. dolls' perambulators
    • B62B7/04Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor
    • B62B7/044Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor three wheeled
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62BHAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B7/00Carriages for children; Perambulators, e.g. dolls' perambulators
    • B62B7/04Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor
    • B62B7/06Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable

Landscapes

  • 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 three-wheeled baby carriage which comprises a carriage and a carriage locking mechanism, wherein the carriage comprises a left hand tube, a right hand tube, a fixed tube, a front foot, a seat supporting tube, a sleeve, left and right first connecting rods, left and right second connecting rods and a connecting tube, wherein the left end and the right end of the fixed tube are respectively fixedly connected to the lower ends of the two hand tubes; the rear ends of the front legs are pivoted to the middle part of the fixed tube; the front end of the seat supporting tube is pivoted with the upper ends of the two second connecting rods, the rear end of the seat supporting tube is pivoted with the two handlebar tubes, the upper ends of the two first connecting rods are pivoted with the fixed tube, and the lower ends of the two first connecting rods are respectively pivoted with the two second connecting rods; the two second connecting rods are pivoted with the sleeve, the second connecting rods are in a cross shape with the front legs, the lower ends of the two second connecting rods are pivoted with the connecting pipes, when the bicycle frame locking mechanism is released, the bicycle frame is locked, the handlebar tube is rotated forwards, and the bicycle frame can be linked and folded, so that the bicycle frame is simple and convenient to fold.

Description

Three-wheeled baby carriage
Technical Field
The invention relates to infant products, in particular to a three-wheeled baby carriage.
Background
The baby carriage is used for bearing babies so as to reduce the burden of parents to hold the babies, and the baby carriage on the market has various structures, and different structures can influence the folding operation and the folding volume.
Disclosure of Invention
The invention aims to provide a three-wheeled baby carriage which is convenient to fold and has small folding volume.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
The three-wheeled baby carriage comprises a carriage with an unfolding state and a folding state, a front wheel connected to the front lower part of the carriage, a rear wheel connected to the rear lower part of the carriage, and a carriage locking mechanism for locking the carriage in the unfolding state, wherein the carriage comprises a left handle pipe, a right handle pipe, a fixed pipe, a front foot, a seat supporting pipe, a sleeve, a left first connecting rod, a right first connecting rod, a left second connecting rod and a left connecting pipe, wherein the left and right ends of the fixed pipe are respectively fixedly connected to the lower ends of the two handle pipes; the front end of the seat support tube is pivoted with the upper ends of the two second connecting rods, and the rear end of the seat support tube is pivoted with the two handlebar tubes; the rear ends of the front legs are pivoted to the middle part of the fixed tube; the upper ends of the left and right first connecting rods are pivoted to the fixed pipe, and the lower ends of the left and right first connecting rods are pivoted to the left and right second connecting rods respectively; the left and right second connecting rods are pivoted with the sleeve, the second connecting rods are in a cross shape with the front foot, and the lower ends of the left and right second connecting rods are pivoted with the connecting pipe.
The frame also comprises a front wheel linkage rod, a connecting seat fixedly connected to the middle part of the fixed pipe and a front wheel seat connected with the front wheel, wherein the lower end of the front wheel is provided with a groove with a downward opening, the groove extends along the trend of the front wheel, the front wheel linkage rod is movably arranged in the groove back and forth, the rear end of the front wheel linkage rod is pivoted to the front end of the connecting seat, the upper end of the front wheel seat is pivoted to the front wheel through a first pivot, the front wheel seat is pivoted to the front end of the front wheel linkage rod through a second pivot, and the first pivot is positioned above the second pivot.
The connecting seat comprises a fixing part and a pivoting part, wherein the rear end of the fixing part is fixedly sleeved at the middle of the fixing rod, the pivoting part extends forwards from the middle of the fixing part, a gap extending forwards and backwards is formed in the middle of the connecting seat, and the rear end of the front wheel linkage rod is arranged in the gap of the pivoting part and pivoted with the pivoting part.
The frame also comprises a front foot fixing seat, the front end of the front foot fixing seat is fixedly connected to the rear end of the front foot, the left side and the right side of the rear end of the front foot fixing seat are sleeved on the left side and the right side of the fixing part of the connecting seat in a relatively rotatable manner, and the rear side of the front foot fixing seat is provided with an avoidance groove for the front and the rear rotation of the pivoting part of the connecting seat.
The front foot fixing seat comprises fixing sub seats which are symmetrically arranged left and right, each fixing sub seat comprises a sleeve part and an inserting part, the sleeve part is sleeved on the fixing part of the connecting seat, the inserting part extends forwards from the sleeve part, and the inserting part is fixedly inserted into the rear end of the front foot.
The front foot comprises a straight pipe part which is arranged in a front-back extending way and a bending part of which the rear end is fixedly connected with the front end of the straight pipe part, and the front end of the bending part is bent vertically downwards; the front wheel seat comprises a front wheel connecting seat and a connecting part connected to the upper end of the front wheel connecting seat, and the connecting part is connected with the bending part of the front foot and the front end of the front wheel linkage rod through the first pivot and the second pivot respectively.
The seat support tube comprises a transverse tube at the front side and two side tubes which extend backwards from the left end and the right end of the transverse tube respectively, and the rear ends of the two side tubes are pivoted to the left handle tube and the right handle tube respectively; the upper ends of the two second connecting rods are both pivoted to the transverse pipe.
The two side pipes of the seat support pipe comprise a straight pipe extending forwards and backwards and an extension pipe extending backwards and upwards from the rear end of the straight pipe, the rear ends of the extension pipes of the two side pipes are respectively pivoted to the left and right handle pipes, and the extension pipes of the two side pipes are respectively arranged at the inner sides of the left and right handle pipes in parallel.
The frame also comprises an upper fixing seat fixedly connected to the upper ends of the left second connecting rod and the right second connecting rod, the upper fixing seat comprises an inverted U-shaped bracket and a U-shaped pivoting frame, the inverted U-shaped bracket comprises a main body and two sockets which respectively extend downwards from the left end and the right end of the main body, the two sockets are respectively fixedly inserted into the upper ends of the two second connecting rods, the U-shaped pivoting frame comprises a pivoting body and two clamping plates which respectively extend upwards from the front side and the rear side of the pivoting body, the pivoting body is pivoted to the upper end of the main body of the inverted U-shaped bracket, and the middle part of a transverse tube of the seat supporting tube passes through the space between the two clamping plates and is fixedly connected with the two clamping plates.
The frame also comprises a lower fixing seat fixedly connected to the lower ends of the left and right second connecting rods, the lower fixing seat comprises a body rotatably sleeved at the middle part of the connecting pipe and two sleeve pipes extending from the front end of the body to the front upper part, and the lower ends of the left and right second connecting rods are respectively fixedly inserted into the two sleeve pipes.
The beneficial effects of the invention are as follows: the frame locking mechanism is released, and then the handlebar tube is rotated forwards and downwards, so that the frame can be folded in a linkage way, and the folding operation is simple and convenient; after the frame is folded, the handlebar tube, the front foot, the seat support tube, the first connecting rod, the second connecting rod and the connecting tube are relatively close, so that the folding volume is small.
Drawings
FIG. 1 is a schematic perspective view of a three-wheeled stroller of the present invention in an unfolded state;
FIG. 2 is a schematic plan view of the three-wheeled stroller of the present invention in an unfolded state;
FIG. 3 is an enlarged perspective view of the front wheel linkage rod, the front wheel seat, the connecting seat and the fixing rod of the three-wheeled stroller;
FIG. 4 is an enlarged schematic view of the connection base of the three-wheeled stroller of the present invention;
FIG. 5 is an enlarged schematic view of a stationary sub-seat of the three-wheeled stroller of the present invention;
FIG. 6 is an exploded, enlarged schematic view of the front foot and front wheel linkages and associated components of the three-wheeled stroller of the present invention;
FIG. 7 is an enlarged view of the assembly of the front foot, front wheel linkage, connecting seat, fixed sub-seat, and fixed lever of the three-wheeled stroller of the present invention;
FIG. 8 is an enlarged view of the assembly of the front foot, front wheel linkage, connecting seat, fixing base, and fixing bar of the three-wheeled stroller of the present invention;
FIG. 9 is a schematic cross-sectional view of a three-wheeled stroller of the present invention in an unfolded state;
FIG. 10 is an enlarged schematic view according to portion A of FIG. 9;
FIG. 11 is an enlarged schematic view according to section B of FIG. 9;
FIG. 12 is an exploded enlarged view of the fixing base of the three-wheeled stroller according to the present invention;
FIG. 13 is a schematic perspective view of a three-wheeled stroller during folding in accordance with the present invention;
FIG. 14 is a schematic plan view of a three-wheeled stroller of the present invention during folding;
FIG. 15 is a perspective view of the three-wheeled stroller of the present invention after being folded;
FIG. 16 is a schematic plan view of a three-wheeled stroller of the present invention after being folded;
FIG. 17 is a schematic cross-sectional view of the three-wheeled stroller of the present invention after being folded;
fig. 18 is an enlarged schematic view according to a portion C in fig. 17.
Detailed Description
As shown in fig. 1 and 2, the three-wheeled stroller of the present invention comprises a frame 100 having a unfolded state and a folded state, a front wheel 200 connected to a front lower portion of the frame 100, a rear wheel 300 connected to a rear lower portion of the frame 100, a frame locking mechanism (not shown) for locking the frame 100 in the unfolded state, the frame 100 comprising left and right handle tubes 1, a fixing tube 2 having left and right ends fixedly connected to the lower ends of the handle tubes 1, a front foot 3, a seat support tube 4, a sleeve 5 slidably connected to the front foot 3 in front and back directions, left and right first links 6, left and right second links 7, and a left and right extending connecting tube 8; the front end of the seat support tube 4 is pivoted with the upper ends of the two second connecting rods 7, and the rear end of the seat support tube is pivoted with the two handlebar tubes 1; the rear ends of the front legs 3 are pivoted to the middle part of the fixed tube 2; the upper ends of the left and right first connecting rods 6 are pivoted to the fixed pipe 2, and the lower ends of the left and right first connecting rods 7 are pivoted to the left and right second connecting rods respectively; the left and right second connecting rods 7 are pivoted with the sleeve 5, the second connecting rods 7 are crossed with the front foot 3, and the lower ends of the left and right second connecting rods 7 are pivoted with the connecting pipe 8.
The seat support tube 4 comprises a transverse tube 41 at the front side and two side tubes 42 extending backwards from the left and right ends of the transverse tube 41, wherein the rear ends of the two side tubes 42 are respectively pivoted with the left and right handle tubes 1; the upper ends of the two second connecting rods 7 are both pivoted to the transverse tube 41.
In this embodiment, it is preferable that the two side pipes 42 of the seat support pipe 4 each include a straight pipe 421 extending in a front-rear direction and an extension pipe 422 extending from the rear end of the straight pipe 421 to the rear and upper direction, the rear ends of the extension pipes 422 of the two side pipes 42 are respectively pivoted to the left and right handlebar tubes 1, and the extension pipes 422 of the two side pipes 42 are respectively disposed in parallel inside the left and right handlebar tubes 1. Thus, in the unfolded state of the frame 100, the extension pipe 422 is not seen from the side, so that the three-wheeled stroller of the present invention has a more attractive design overall.
As shown in fig. 3 to 11, in this embodiment, the frame 100 further includes a front wheel link 9, a connecting seat 10 fixedly connected to the middle portion of the fixing tube 2, and a front wheel seat 20 connected to the front wheel 200, the lower end of the front wheel 3 is provided with a recess 31 with a downward opening, the recess 31 extends along the direction of the front wheel 3, the front wheel link 9 is movably disposed in the recess 31, the rear end of the front wheel link 9 is pivotally connected to the front end of the connecting seat 10, the upper end of the front wheel seat 20 is pivotally connected to the front wheel 3 through a first pivot 203, the front wheel seat 20 is pivotally connected to the front end of the front wheel link 9 through a second pivot 204, and the first pivot 203 is located above the second pivot 204.
The connecting seat 10 comprises a fixing part 101 with a rear end fixedly sleeved at the middle part of the fixing rod and a pivoting part 102 extending forwards from the middle part of the fixing part 101, a gap 103 extending forwards and backwards is formed in the middle of the connecting seat 10, and the rear end of the front wheel linkage rod 9 is arranged in the gap 103 of the pivoting part 102 and pivoted with the pivoting part 102.
The frame 100 further includes a front foot fixing seat 30, the front end of the front foot fixing seat 30 is fixedly connected to the rear end of the front foot 3, the left and right sides of the rear end of the front foot fixing seat 30 are rotatably sleeved on the left and right sides of the connecting seat fixing portion 101, and the rear side of the front foot fixing seat 30 is provided with an avoidance groove 301 through which the pivot portion 102 of the connecting seat 10 rotates back and forth.
In this embodiment, the forefoot fixing base 30 preferably includes two symmetrically disposed fixing sub-bases 302, each of the fixing sub-bases 302 includes a sleeve portion 303 for being sleeved on the connecting base fixing portion 101 and an insertion portion 304 extending forward from the sleeve portion 303, and the insertion portion 304 is fixedly inserted into the rear end of the forefoot 3.
In this embodiment, the front leg 3 includes a straight tube portion 32 extending from front to back, and a bending portion 33 having a rear end fixedly connected to a front end of the straight tube portion 32, and a front end of the bending portion 33 is bent vertically downward.
The front wheel seat 20 includes a front wheel connecting seat 201 and a connecting portion 202 connected to an upper end of the front wheel connecting seat 201, wherein the connecting portion 202 is connected to the bending portion 33 of the front foot 3 and a front end of the front wheel linkage rod 9 through the first pivot 203 and the second pivot 204, respectively.
In this embodiment, the fixing tube 2 includes two fixing sub-tubes 21 disposed symmetrically at left and right intervals, so as to facilitate the connection of the fixing tube 2 with the connecting base 10 and the forefoot fixing base 30.
The frame 100 further includes left and right first link fixing bases 61 fixedly connected to the upper ends of the left and right first links 6, where the two first link fixing bases 61 are pivotally connected to the fixing tube 2 and located at the left and right sides of the front foot fixing base 30, respectively.
As shown in fig. 1 and 12, the frame 100 further includes an upper fixing seat 71 fixedly connected to the upper ends of the left and right second connecting rods 7, the upper fixing seat 71 includes an inverted U-shaped bracket 711, a U-shaped pivot frame 712, the inverted U-shaped bracket 711 includes a main body 713 and two sockets 714 respectively extending downward from the left and right ends of the main body 713, the two sockets 714 are respectively fixedly inserted into the upper ends of the two second connecting rods 7, the U-shaped pivot frame 712 includes a pivot body 715 and two clamping plates 716 respectively extending upward from the front and rear sides of the pivot body 715, the pivot body 715 is pivoted to the upper end of the main body 713 of the inverted U-shaped bracket 711, and the middle portion of the transverse tube 41 of the seat support tube 4 passes between the two clamping plates 716 and is fixedly connected with the two clamping plates 716, so that the upper end of the second connecting rod 7 is pivoted to the transverse tube 41 of the seat support tube 4.
The frame 100 further includes a lower fixing seat 72 fixedly connected to the lower ends of the left and right second connecting rods 7, the lower fixing seat 72 includes a body 721 rotatably sleeved on the middle of the connecting pipe 8, and two sleeve pipes 722 extending from the front end of the body 721 to the front upper direction, and the lower ends of the left and right second connecting rods 7 are respectively fixedly inserted into the two sleeve pipes 722.
The frame 100 further comprises a handle bar transverse tube 11 with left and right ends respectively connected to the upper ends of the left and right handle bars 1, thereby facilitating the pushing of the three-wheeled stroller by the user by pushing the handle bar transverse tube 11.
The front wheel 200 is connected to the front wheel seat 20, and the rear wheel 300 is provided with left and right two wheels respectively connected to left and right ends of the connection pipe 8.
The frame locking mechanism may be any known technology that is feasible, and is not described herein because it is not the focus of the present invention.
As shown in fig. 13 to 18, the folding principle of the three-wheeled stroller of the present invention is:
After the frame locking mechanism is released, the handle tube 1 is rotated forwards and downwards, namely the two side tubes 42 of the linkage seat support tube 4 are moved forwards, so that the upper ends of the two second connecting rods 7 are driven to move forwards, the sleeve 5 slides forwards along the front foot 3 together, the second connecting rods 7 rotate relative to the transverse tube 41 of the seat support tube 4 and simultaneously rotate relative to the sleeve 5, the lower end of the linkage first connecting rod 6 rotates, and the upper end of the first connecting rod 6 also rotates relative to the fixed tube 2 until the handle tube 1, the front foot 3, the seat support tube 4, the first connecting rod 6, the second connecting rod 7 and the connecting tube 8 are relatively close, and the frame 100 is completely folded, so that the frame 100 is very smooth to fold and the folding volume is small; in addition, since the fixing tube 2 is fixed to the handle tube 1 at both sides, when the handle tube 1 is rotated forward, the fixing tube 2 is rotated accordingly, the connection base 10 fixedly connected to the middle portion of the fixing tube 2 is rotated backward, thereby pulling the front wheel link 9 backward, and the front wheel link 9 pulls the front wheel mount 20 to rotate backward about the first pivot 203, thereby reducing the space between the front wheel 200 and the rear wheel 300 compared with the unfolded state (as shown in fig. 17 and 18), and thus reducing the volume of the folded material.
In the above description, in the definition of the azimuth, referring to fig. 1, the front wheel 200 is the front wheel 300 is the rear wheel, the handlebar tube 1 is the upper wheel, the front and rear wheels 200 and 300 are the lower wheel, and the handlebar tube 1 is the left and right wheel.

Claims (8)

1. A three-wheeled stroller comprising a frame having an expanded state and a collapsed state, a front wheel coupled to a front lower portion of the frame, a rear wheel coupled to a rear lower portion of the frame, a frame locking mechanism for locking the frame in the expanded state, characterized by: the frame comprises a left handle pipe, a right handle pipe, a fixed pipe, a front foot, a seat supporting pipe, a sleeve, a left first connecting rod, a right first connecting rod, a left second connecting rod, a right second connecting rod and a connecting pipe, wherein the left end and the right end of the fixed pipe are respectively and fixedly connected to the lower ends of the two handle pipes; the front end of the seat support tube is pivoted with the upper ends of the two second connecting rods, and the rear end of the seat support tube is pivoted with the two handlebar tubes; the rear ends of the front legs are pivoted to the middle part of the fixed tube; the upper ends of the left and right first connecting rods are pivoted to the fixed pipe, and the lower ends of the left and right first connecting rods are pivoted to the left and right second connecting rods respectively; the left and right second connecting rods are pivoted with the sleeve, the second connecting rods are in a cross shape with the front foot, and the lower ends of the left and right second connecting rods are pivoted with the connecting pipe; the frame also comprises a front wheel linkage rod, a connecting seat fixedly connected to the middle part of the fixed pipe and a front wheel seat connected with the front wheel, wherein the lower end of the front wheel is provided with a groove with a downward opening, the groove extends along the trend of the front wheel, the front wheel linkage rod is movably arranged in the groove back and forth, the rear end of the front wheel linkage rod is pivoted to the front end of the connecting seat, the upper end of the front wheel seat is pivoted to the front wheel through a first pivot, the front wheel seat is pivoted to the front end of the front wheel linkage rod through a second pivot, and the first pivot is positioned above the second pivot; the connecting seat comprises a fixing part, a pivoting part and a gap, wherein the rear end of the fixing part is fixedly sleeved at the middle of the fixing rod, the pivoting part extends forwards from the middle of the fixing part, the gap extending forwards and backwards is formed in the middle of the connecting seat, and the rear end of the front wheel linkage rod is arranged in the gap of the pivoting part and pivoted with the pivoting part.
2. The three-wheeled stroller of claim 1, wherein the frame further comprises a front foot fixing seat, the front end of the front foot fixing seat is fixedly connected to the rear end of the front foot, the left and right sides of the rear end of the front foot fixing seat are rotatably sleeved on the left and right sides of the fixing portion of the connecting seat, and the rear side of the front foot fixing seat is provided with an avoidance groove for the front and rear rotation of the pivoting portion of the connecting seat.
3. The three-wheeled stroller of claim 2, wherein the front leg fixing base comprises two symmetrically disposed fixing sub-bases, each of the fixing sub-bases comprises a sleeve portion for being sleeved on the fixing portion of the connecting base and an insertion portion extending forward from the sleeve portion, and the insertion portion is fixedly inserted into the rear end of the front leg.
4. The three-wheeled stroller of claim 3, wherein the front leg comprises a front-to-back extension
The straight pipe part and the bending part with the rear end fixedly connected to the front end of the straight pipe part are arranged, and the bending part
The front end is bent vertically downwards; the front wheel seat comprises a front wheel connecting seat and is connected with the front wheel
The connecting part at the upper end of the seat is connected with the bending part of the front foot and the front end of the front wheel linkage rod through the first pivot and the second pivot respectively.
5. The three-wheeled stroller of claim 1,2,3 or 4, wherein the seat support tube comprises a transverse tube at the front side and two side tubes extending rearward from the left and right ends of the transverse tube, respectively, and the rear ends of the two side tubes are pivotally connected to the left and right handlebar tubes, respectively; the upper ends of the two second connecting rods are both pivoted to the transverse pipe.
6. The three-wheeled stroller of claim 5, wherein the two side tubes of the seat support tube each comprise a straight tube extending in a front-rear direction and an extension tube extending upward and rearward from the rear end of the straight tube, the rear ends of the extension tubes of the two side tubes are respectively pivoted to the left and right handlebar tubes, and the extension tubes of the two side tubes are respectively arranged in parallel inside the left and right handlebar tubes.
7. The three-wheeled stroller of claim 6, wherein the frame further comprises an upper fixing seat fixedly connected to the upper ends of the left and right second connecting rods, the upper fixing seat comprises an inverted U-shaped bracket and a U-shaped pivoting frame, the inverted U-shaped bracket comprises a main body and two sockets respectively extending downwards from the left and right ends of the main body, the two sockets are respectively fixedly inserted into the upper ends of the two second connecting rods, the U-shaped pivoting frame comprises a pivoting body and two clamping plates respectively extending upwards from the front and rear sides of the pivoting body, the pivoting body is pivoted to the upper ends of the main body of the inverted U-shaped bracket, and the middle part of a transverse tube of the seat support tube passes through between the two clamping plates and is fixedly connected with the two clamping plates.
8. The three-wheeled stroller of claim 1 or 2 or 3 or 4 or 5 or 6, wherein: the frame also comprises a lower fixing seat fixedly connected to the lower ends of the left and right second connecting rods, the lower fixing seat comprises a body rotatably sleeved at the middle part of the connecting pipe and two sleeve pipes extending from the front end of the body to the front upper part, and the lower ends of the left and right second connecting rods are respectively fixedly inserted into the two sleeve pipes.
CN201710581266.3A 2017-07-17 2017-07-17 Three-wheeled baby carriage Active CN107336737B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710581266.3A CN107336737B (en) 2017-07-17 2017-07-17 Three-wheeled baby carriage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710581266.3A CN107336737B (en) 2017-07-17 2017-07-17 Three-wheeled baby carriage

Publications (2)

Publication Number Publication Date
CN107336737A CN107336737A (en) 2017-11-10
CN107336737B true CN107336737B (en) 2024-07-05

Family

ID=60219223

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710581266.3A Active CN107336737B (en) 2017-07-17 2017-07-17 Three-wheeled baby carriage

Country Status (1)

Country Link
CN (1) CN107336737B (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007071141A1 (en) * 2005-12-22 2007-06-28 Goodbaby Child Products Co., Ltd. A pushcart for infants
CN207157290U (en) * 2017-07-17 2018-03-30 上海童歌母婴用品有限公司 A kind of three wheeled stroller

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2693591Y (en) * 2004-02-02 2005-04-20 好孩子儿童用品有限公司 Collapsible baby carriage
CN100387469C (en) * 2005-04-30 2008-05-14 好孩子儿童用品有限公司 stroller
WO2007118098A2 (en) * 2006-04-03 2007-10-18 Graco Children's Products Inc. Stroller with removable arm bar
KR20120030621A (en) * 2010-09-20 2012-03-29 김현동 Stroller
KR101478190B1 (en) * 2013-03-21 2014-12-31 온순건 Baby carriage using bike
CN204124173U (en) * 2014-06-26 2015-01-28 新世纪产品有限公司 Hand-held design perambulator
TWM521572U (en) * 2015-12-24 2016-05-11 Unique Product & Design Co Ltd Structure for baby stroller
CN206067848U (en) * 2016-10-09 2017-04-05 上海童歌母婴用品有限公司 Shock-absorbing stroller of good performance
CN206067839U (en) * 2016-10-09 2017-04-05 上海童歌母婴用品有限公司 Fold smoothly stroller
CN206107303U (en) * 2016-10-25 2017-04-19 上海童歌母婴用品有限公司 Perambulator that volume of timber is little and seat terrain clearance is high is closed to receipts
CN106926889B (en) * 2017-03-15 2024-01-09 闵远超 Baby carriage frame with small folding volume

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007071141A1 (en) * 2005-12-22 2007-06-28 Goodbaby Child Products Co., Ltd. A pushcart for infants
CN207157290U (en) * 2017-07-17 2018-03-30 上海童歌母婴用品有限公司 A kind of three wheeled stroller

Also Published As

Publication number Publication date
CN107336737A (en) 2017-11-10

Similar Documents

Publication Publication Date Title
US8668222B2 (en) Foldable stroller
CN206107303U (en) Perambulator that volume of timber is little and seat terrain clearance is high is closed to receipts
CN208198531U (en) Children trolley
CN110733551B (en) Strollers
CN119117074A (en) Strollers
CN207697787U (en) A kind of go-cart for double child
CN209064267U (en) A kind of child's tricycle
CN205661504U (en) A baby stroller with a small foldable volume
CN207565663U (en) Go-cart for double child
CN109131521B (en) Baby carriage with smooth folding linkage and small folding volume
CN118082952A (en) Strollers
CN207241787U (en) Double-seat baby-carrier
CN109606452B (en) Child cart
CN107336737B (en) Three-wheeled baby carriage
CN212220349U (en) Baby carriage simple and convenient to fold and operate and small in folding volume
CN210416702U (en) Infant stroller
CN216102334U (en) Children's barrow
CN220662607U (en) Folding skeleton
CN107933673A (en) Go-cart for double child
CN112319591A (en) stroller
CN107140001B (en) Infant handcart
CN210653260U (en) Frame of baby carriage
CN113799864A (en) foldable stroller
CN213831845U (en) Children's barrow
CN111252130B (en) Bracket for baby carriage frame and baby carriage frame provided with the bracket

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20240919

Address after: Room 325, 326, 327, 3rd Floor, Building 2, No. 938 Shunda Road, Jiading District, Shanghai, 201802

Patentee after: Tongyin maternal and infant products (Shanghai) Co.,Ltd.

Country or region after: China

Address before: 201799 room 628, 6 story D, 348 Park Road, Qingpu District, Shanghai.

Patentee before: SHANGHAI BABYSING MATERNAL & CHILD SUPPLIES Co.,Ltd.

Country or region before: China

TR01 Transfer of patent right