WO2018054179A1 - 婴儿车骨架 - Google Patents

婴儿车骨架 Download PDF

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Publication number
WO2018054179A1
WO2018054179A1 PCT/CN2017/096202 CN2017096202W WO2018054179A1 WO 2018054179 A1 WO2018054179 A1 WO 2018054179A1 CN 2017096202 W CN2017096202 W CN 2017096202W WO 2018054179 A1 WO2018054179 A1 WO 2018054179A1
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WO
WIPO (PCT)
Prior art keywords
hinged
seat
hinge point
front leg
leg
Prior art date
Application number
PCT/CN2017/096202
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English (en)
French (fr)
Inventor
唐启佑
Original Assignee
中山市宝蓓悠日用制品有限公司
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Publication of WO2018054179A1 publication Critical patent/WO2018054179A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B7/00—Carriages for children; Perambulators, e.g. dolls' perambulators
    • B62B7/04—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor
    • B62B7/06—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable
    • B62B7/08—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable in the direction of, or at right angles to, the wheel axis
    • B62B7/083—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 the wheel axes being moved from each other during folding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B7/00—Carriages for children; Perambulators, e.g. dolls' perambulators
    • B62B7/04—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor
    • B62B7/06—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable
    • B62B7/08—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable in the direction of, or at right angles to, the wheel axis
    • B62B7/086—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable in the direction of, or at right angles to, the wheel axis becoming smaller in all three dimensions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B2205/00—Hand-propelled vehicles or sledges being foldable or dismountable when not in use
    • B62B2205/02—Hand-propelled vehicles or sledges being foldable or dismountable when not in use foldable widthwise
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B2205/00—Hand-propelled vehicles or sledges being foldable or dismountable when not in use
    • B62B2205/20—Catches; Locking or releasing an articulation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B2205/00—Hand-propelled vehicles or sledges being foldable or dismountable when not in use
    • B62B2205/30—Detachable, retractable or collapsible load supporting means
    • B62B2205/32—Shelves

Definitions

  • the present invention relates to a stroller frame.
  • baby strollers such as baby strollers have become indispensable items for children to grow up.
  • the strollers on the market can generally be folded or unfolded, but the structure of the stroller of the existing baby stroller is very complicated, which makes the stroller bulky, the volume after folding is still large, the manufacturing cost is high, and due to the complicated structure, people are It is very laborious to fold and it is easy to damage the stroller.
  • the front armrest on the front cannot be folded, which makes the user very inconvenient to operate.
  • the present invention is based on the above deficiencies.
  • the object of the present invention is to overcome the deficiencies of the prior art and to provide a baby carriage skeleton which is simple in structure, convenient in operation, and small in volume after folding.
  • the stroller frame can be moved from the deployed position to the folded position, and is characterized by:
  • the front leg 1, the front leg 1 is connected to the front wheel 1a;
  • the rear leg 2 is connected to the rear end of the rear leg 2, and the rear end of the rear leg 2 is provided with a first connecting portion 201 and a second connecting portion 202, and the upper end of the front leg 1 and the first connecting portion 201 articulated and formed a first hinge point A in the hinged position;
  • the lower end of the push frame 3 is hinged with the second connecting portion 202 and forms a second hinge point B at the hinged position;
  • one end of the linkage rod 4 is hinged to the push frame 3 and forms a third hinge point C at the hinged position, and the other end of the linkage rod 4 is hinged to the front leg 1 and is in the hinged position. Forming a fourth hinge point D;
  • a seat drawbar 5 one end of the seat drawbar 5 is hinged to the front leg 1 and forms a fifth hinge point E at the hinged position, and the other end of the seat drawbar 5 is hinged and formed at the hinged position a transmission rod 6 of the sixth hinge point F, and the transmission rod 6 is hinged with the push frame 3 and forms a seventh hinge point G at the hinged position;
  • the seat 7 is connected to the seat drawbar 5;
  • the locking device 8 can keep the stroller skeleton in an unfolded state when locked, and can enable the push frame 3, the front leg 1, the linkage rod 4, the seat drawbar 5 and the transmission rod 6 after unlocking Folded relative to the rear leg 2 to rotate.
  • the stroller frame as described above characterized in that: in the front-rear direction of the stroller frame, the first hinge point A is located at the rear side of the fourth hinge point D, the second hinge point B, the third hinge The point C and the fifth hinge point E are located on the front side of the fourth hinge point D.
  • the stroller frame as described above is characterized in that the center of gravity of the push frame 3 is located at the rear side of the seventh hinge point G in the front-rear direction of the stroller frame.
  • the stroller frame as described above characterized in that the seat drawbar 5 has a "Z" shape, and the seat drawbar 5 includes a straight section 51 for fixing the seat 7, the straight section One end of 51 is bent downward to form a first bending section 52, the first bending section 52 is hinged with the front leg 1, and the other end of the straight section 51 is bent upward to form a first
  • the second bending section 53 is hinged to the transmission rod 6.
  • the stroller frame as described above is characterized in that: the upper end of the rear leg 2 is engaged with the upper end of the front leg 1 and encloses an open cavity 9 for the movable lever 4, and the lower end of the linkage rod 4 is inserted.
  • the mouth 9 is opened and hinged to the front leg 1.
  • the stroller frame as described above is characterized in that the locking device 8 is provided between the front leg 1 and the rear leg 2 or between the front leg 1 and the seat drawbar 5.
  • the stroller frame as described above is characterized in that: the locking device 8 comprises a fixing sleeve 81 provided on the front leg 1, and the fixing sleeve 81 is provided with a sliding block 82 capable of sliding therein.
  • the sliding block 82 is provided with a first locking pin 83
  • the seat drawbar 5 and the front leg 1 are respectively provided with a first lock for inserting the first locking pin 83 to lock the stroller frame in the deployed position.
  • the hole 84 is further provided with a second locking pin 85.
  • the front leg 1 and the rear leg 2 are respectively provided with a first locking pin 83 when the first locking pin 83 is inserted into the first locking hole 84.
  • the second locking hole 86 is inserted into the second locking hole 85.
  • the fixing sleeve 81 is also connected with a pulling mechanism 87 for sliding the sliding block 82 in the fixing sleeve 81.
  • the stroller frame as described above is characterized in that the drawing mechanism 87 includes a handle 871 hinged to the outside of the fixing sleeve 81, and the handle 871 is provided with a sliding block 82 and can be rotated when the handle 871 is rotated.
  • the cable 872 that slides the sliding block 82 is pulled.
  • the stroller frame as described above is characterized in that: the hand push frame 3 is provided with a laterally projecting protruding column 10, and the interlocking rod 4 is hinged to the hand push frame 3 through the protruding column 10. .
  • the stroller frame as described above is characterized in that the rear leg 2 includes a support portion 24, and the rear wheel 2a is coupled to the support portion 24, and the support portion 24 is provided with a direction
  • the first bracket 21 and the second bracket 22 are extended and spaced apart from each other, and the upper end of the first bracket 21 is bent toward the side of the second bracket 22 to form a third bracket 23, and the first connecting portion 201 is provided.
  • the second connecting portion 202 includes a left connector 2021 at an upper end of the second bracket 22 and a right connector 2022 at an end of the third bracket 23, the left connector 2021 and the right
  • a connecting groove 2023 is formed between the connecting heads 2022, and the lower end of the push frame 3 is hinged in the connecting groove 2023.
  • the stroller frame as described above is characterized in that the seat 7 is further provided with a pull frame 20 that can be pulled relative thereto.
  • the present invention has the following advantages: after the locking device of the present invention is unlocked, the push frame rotates around the second hinge point, so that the hand push frame can be hinged thereto during the backward rotation
  • the linkage rod pushes the front leg to rotate around the first hinge point, so that the front leg is close to the rear leg, and at the same time, the seat drawbar and the transmission rod are also rotated relative to the rear leg, thereby finally folding the baby carriage skeleton, and the volume is small after folding.
  • the utility model has the advantages of compact structure, small occupied space and convenient carrying, and can be placed in the luggage rack above the automobile tail box or the aircraft seat, and the folding process is convenient to operate and flexible in folding.
  • Figure 1 is a perspective view of the present invention
  • Figure 2 is an enlarged view of the portion H in Figure 1;
  • Figure 3 is a perspective view of the components of the present invention.
  • Figure 4 is a perspective view of the components of the present invention.
  • Figure 5 is an enlarged view of I in Figure 4.
  • Figure 6 is an exploded view of the components of the present invention.
  • Figure 7 is an enlarged view of a portion J in Figure 6;
  • Figure 8 is a third perspective view of the components of the present invention.
  • Figure 9 is an enlarged view of the portion K in Figure 8.
  • Figure 10 is a cross-sectional view of the stroller frame of the present invention when it is in an unlocked state
  • Figure 11 is an enlarged view of the portion L in Figure 10;
  • Figure 12 is a perspective view of the drawing frame of the present invention when it is pulled out;
  • Figure 13 is a perspective view of the rear leg and the rear wheel of the present invention.
  • Figure 14 is a side view of the present invention.
  • Figure 15 is a side elevational view of the present invention during folding
  • Figure 16 is a perspective view of the present invention after folding
  • Figure 17 is an enlarged view of the portion M in Figure 16.
  • the stroller frame can be moved from the deployed position to the folded position, including:
  • the front leg 1, the front leg 1 is connected to the front wheel 1a;
  • the rear leg 2 is connected to the rear end of the rear leg 2, and the rear end of the rear leg 2 is provided with a first connecting portion 201 and a second connecting portion 202, and the upper end of the front leg 1 and the first connecting portion 201 articulated and formed a first hinge point A in the hinged position;
  • the lower end of the push frame 3 is hinged with the second connecting portion 202 and forms a second hinge point B at the hinged position;
  • one end of the linkage rod 4 is hinged to the push frame 3 and is in the hinged position Forming a third hinge point C, the other end of the linkage rod 4 is hinged to the front leg 1 and forms a fourth hinge point D at the hinged position;
  • a seat drawbar 5 one end of the seat drawbar 5 is hinged to the front leg 1 and forms a fifth hinge point E at the hinged position, and the other end of the seat drawbar 5 is hinged and formed at the hinged position a transmission rod 6 of the sixth hinge point F, and the transmission rod 6 is hinged with the push frame 3 and forms a seventh hinge point G at the hinged position;
  • the seat 7 is connected to the seat drawbar 5;
  • the locking device 8 can keep the stroller skeleton in an unfolded state when locked, and can enable the push frame 3, the front leg 1, the linkage rod 4, the seat drawbar 5 and the transmission rod 6 after unlocking Folded relative to the rear leg 2 to rotate.
  • the push frame 3 rotates about the second hinge point B. Therefore, during the backward rotation of the hand push frame 3, the front leg 1 can be pushed around the first leg by the linkage rod 4 hinged thereon.
  • the hinge point A is rotated, so that the front leg 1 is brought closer to the rear leg 2, and at the same time, the seat drawbar 5 and the transmission rod 6 are also rotated relative to the rear leg 2, thereby finally folding the baby carriage skeleton, and the volume is small and compact after folding.
  • the utility model has the advantages of small occupied space and convenient carrying, and can be placed in the luggage compartment above the car trunk or the seat of the aircraft, and the folding process is convenient to operate and flexible in folding.
  • the first hinge point A is located at the rear side of the fourth hinge point D
  • the second hinge point B and the third hinge are located on the front side of the fourth hinge point D.
  • the center of gravity of the push frame 3 is located on the rear side of the seventh hinge point G along the front and rear direction of the stroller frame. Therefore, after the locking device 8 is unlocked, the upper end of the push frame 3 is lowered by its own gravity, so that the push frame 3 automatically rotates around the second hinge point B, so that the baby
  • the folding operation of the car skeleton is simpler and faster.
  • the seat drawbar 5 has a "Z" shape, and the seat drawbar 5 includes a straight section 51 for fixing the seat 7, the straight section One end of 51 is bent downward to form a first bending section 52, the first bending section 52 is hinged with the front leg 1, and the other end of the straight section 51 is bent upward to form a second bending. In the segment 53, the second bending segment 53 is hinged to the transmission rod 6.
  • the upper end of the rear leg 2 is engaged with the upper end of the front leg 1 and encloses an open cavity 9 for the movable rod 4, and the lower end of the linkage rod 4 is inserted into the open cavity 9 It is hinged to the front leg 1 inside. Since the interlocking lever 4 is movable in the open cavity 9, the entire baby carriage skeleton is small in size and compact in structure.
  • the locking device 8 may be provided between the front leg 1 and the rear leg 2, or may be disposed between the front leg 1 and the seat drawbar 5. Of course, the locking device 8 can also be provided between the push frame 3 and the rear leg 2 or between the push frame 3 and the front leg 1 or between the push frame 3 and the transmission rod 6. Because for a linkage that is hinged to each other and that can be unfolded or folded, expansion or unlocking of the entire linkage can be achieved by providing a locking device between any two elements having an articulated relationship.
  • the locking device 8 is disposed between the front leg 1 and the rear leg 2, and is also disposed between the front leg 1 and the seat drawbar 5, achieving the purpose of multiple locking, and the locking is firmer.
  • the locking device 8 includes a fixing sleeve 81 disposed on the front leg 1, and the fixing sleeve 81 is provided with a sliding block capable of sliding therein. 82, the sliding block 82 is provided with a first locking pin 83, and the seat drawbar 5 and the front leg 1 are respectively provided with a first locking pin 83 for inserting the baby carriage skeleton.
  • the sliding block 82 Positioning the first locking hole 84, the sliding block 82 is further provided with a second locking pin 85, and the front leg 1 and the rear leg 2 are respectively respectively provided with the first locking pin 83 inserted into the first locking
  • the hole 84 is provided with a second locking hole 86 into which the second locking pin 85 is inserted, and the fixing sleeve 81 is also connected with a drawing mechanism 87 for allowing the sliding block 82 to slide in the fixing sleeve 81.
  • the first locking pin 83 cooperates with the first locking hole 84 to lock the front leg 1 and the seat drawbar 5 and the second locking pin 85 cooperates with the second locking hole 86 to lock the front leg 1 and the rear leg 2, so the sliding block 82
  • One gliding movement can simultaneously lock the front leg 1, the rear leg 2 and the seat drawbar 5, reaching the purpose of multiple locking, and the locking effect of the stroller skeleton unfolding state is better, firmer and safer.
  • the drawing mechanism 87 includes a handle 871 hinged to the outside of the fixing sleeve 81.
  • the handle 871 is provided with a sliding block 82 and can be rotated when the handle 871 is rotated.
  • the cable 872 that slides the sliding block 82 is pulled.
  • the hand push frame 3 is provided with a laterally protruding protruding column 10, and the linkage rod 4 is pushed by the protruding column 10
  • the frame 3 is hinged.
  • the rear leg 2 includes a support portion 24, and the rear wheel 2a is coupled to the support portion 24, and the support portion 24 is provided with an upward extending and spaced apart
  • the first bracket 21 and the second bracket 22 are opened, and the upper end of the first bracket 21 is bent toward the side of the second bracket 22 to form a third bracket 23, and the first connecting portion 201 is disposed on the third bracket 23
  • the second connecting portion 202 includes a left connector 2021 at an upper end of the second bracket 22 and a right connector 2022 at an end of the third bracket 23, between the left connector 2021 and the right connector 2022.
  • a connecting groove 2023 is formed, and the lower end of the push frame 3 is hinged in the connecting groove 2023.
  • the support portion 24, the first bracket 21, the first The two brackets 22 and the third bracket 23 enclose a frame shape, which can enhance the supporting ability of the rear legs 2 to the seat 7, and the push frame 3 is hinged in the connecting groove 2023 between the second bracket 22 and the third bracket 23, It can provide good support for the push frame 3, and also makes the structure of the entire baby carriage compact, and the connection of each component is more sleek and more beautiful.
  • the seat 7 is also provided with a pull frame 20 that can be pulled relative thereto.
  • the seat 7 of the stroller will be relatively short, and the infant can not be used to ride the stroller in a lying manner, but the setting of the pull frame 20 can lengthen the length of the seat 7 in the front and rear direction of the stroller, when the infant needs to lie down, The drawer 20 can be withdrawn, and when the infant does not need to lie, the drawer 20 can be pushed under the seat 7 to reduce the space occupied by the baby carriage.
  • the upper end of the transmission rod 6 is also detachably connected with a front armrest 30 , and the front armrest 30 is connected to the upper end of the transmission rod 6 , so when the stroller frame is folded, The front armrest 30 can also follow the folding, which changes the defect that the traditional stroller frame needs to be removed when folding, so that the user operation is simpler and faster.
  • the upper end of the push frame 3 is also rotatably connected with a push handle 40.
  • the hand pusher 40 is first rotated relative to the push frame 3 to cause the push handle 40 to be folded first.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Carriages For Children, Sleds, And Other Hand-Operated Vehicles (AREA)

Abstract

一种婴儿车骨架，前腿（1）下端连接有前轮（1a）；后腿（2）下端连接有后轮（2a），后腿（2）上端设有第一连接部（201）和第二连接部（202），前腿（1）上端与第一连接部（201）铰接并在相铰接位置形成第一铰接点（A）；手推架（3）的下端与所述的第二连接部（202）铰接并在相铰接位置形成第二铰接点（B）；连动杆（4）一端与手推架（3）铰接并在相铰接位置形成第三铰接点（C），连动杆（4）另一端与前腿（1）铰接并在相铰接位置形成第四铰接点（D）；座位牵引杆（5）的一端与前腿（1）铰接并在相铰接位置形成第五铰接点（E），座位牵引杆（5）另一端设有与其铰接并在相铰接位置形成第六铰接点（F）的传动杆（6），而且传动杆（6）与手推架（3）铰接并在相铰接位置形成第七铰接点（G）；座位（7）连接在座位牵引杆（5）上。该婴儿车骨架结构简单，操作方便，折叠后体积小。

Description

婴儿车骨架 【技术领域】
本发明涉及婴儿车骨架。
【背景技术】
目前，婴儿手推车这类童车已成为小孩在成长过程中不可或缺的物品。市场上的婴儿车一般都能进行折叠或展开，但是现有的婴儿手推车的婴儿车骨架结构十分复杂，造成婴儿车笨重，折叠后体积仍然较大，制造成本高，由于结构的复杂，人们在折叠时非常费力，而且容易损坏婴儿车。另外，现在的婴儿手推车在折叠时，其上的前扶手不能跟随折叠，导致用户操作起来非常不便。
因此，本发明正是基于以上的不足而产生的
【发明内容】
本发明目的是克服了现有技术的不足，提供一种结构简单，操作方便，折叠后体积小的婴儿车骨架。
本发明是通过以下技术方案实现的：
婴儿车骨架，能从展开位置移动至折叠位置，其特征在于：包括：
前腿1，所述的前腿1下端连接有前轮1a；
后腿2，所述的后腿2下端连接有后轮2a，所述的后腿2上端设有第一连接部201和第二连接部202，所述的前腿1上端与第一连接部201铰接并在相铰接位置形成第一铰接点A；
手推架3，所述的手推架3的下端与所述的第二连接部202铰接并在相铰接位置形成第二铰接点B；
连动杆4，所述的连动杆4一端与手推架3铰接并在相铰接位置形成第三铰接点C，所述的连动杆4另一端与前腿1铰接并在相铰接位置形成第四铰接点D；
座位牵引杆5，所述的座位牵引杆5的一端与前腿1铰接并在相铰接位置形成第五铰接点E，所述的座位牵引杆5另一端设有与其铰接并在相铰接位置形成第六铰接点F的传动杆6，而且所述的传动杆6与手推架3铰接并在相铰接位置形成第七铰接点G；
座位7，所述的座位7连接在座位牵引杆5上；
锁定装置8，所述的锁定装置8在锁定时能使婴儿车骨架保持展开状态，而在解锁后能使手推架3、前腿1、连动杆4、座位牵引杆5和传动杆6相对后腿2转动而折叠。
如上所述的婴儿车骨架，其特征在于：沿婴儿车骨架的前后方向，所述的第一铰接点A位于第四铰接点D的后侧，所述的第二铰接点B、第三铰接点C和第五铰接点E位于第四铰接点D的前侧。
如上所述的婴儿车骨架，其特征在于：沿婴儿车骨架的前后方向，所述的手推架3的重心位于第七铰接点G的后侧。
如上所述的婴儿车骨架，其特征在于：所述的座位牵引杆5呈“Z”形，所述的座位牵引杆5包括用于固定座位7的平直段51，所述的平直段51的一端向下弯折而形成第一弯折段52，所述的第一弯折段52与前腿1铰接，所述的平直段51的另一端向上弯折而形成第 二弯折段53，所述的第二弯折段53与传动杆6铰接。
如上所述的婴儿车骨架，其特征在于：所述的后腿2上端与前腿1上端相合而围成供连动杆4在内活动的开口腔9，所述的连动杆4下端插入开口腔9内而与前腿1铰接。
如上所述的婴儿车骨架，其特征在于：所述的锁定装置8设在前腿1与后腿2之间或设在前腿1与座位牵引杆5之间。
如上所述的婴儿车骨架，其特征在于：所述的锁定装置8包括设在前腿1上的固定套81，所述的固定套81内设有能在其内滑行的滑行块82，所述的滑行块82上设有第一锁定销83，所述的座位牵引杆5和前腿1上分别设有能供第一锁定销83插入而使婴儿车骨架在展开位置锁定的第一锁定孔84，所述的滑行块82上还设有第二锁定销85，所述的前腿1和后腿2上还分别设有当第一锁定销83插入第一锁定孔84时能供第二锁定销85插入的第二锁定孔86，所述的固定套81上还连接有能使滑行块82在固定套81内滑行的拉拔机构87。
如上所述的婴儿车骨架，其特征在于：所述的拉拔机构87包括铰接在固定套81外侧的手柄871，所述的手柄871上设有与滑行块82连接并在手柄871转动时能拉动滑行块82滑动的拉索872。
如上所述的婴儿车骨架，其特征在于：所述的手推架3上设有横向凸出的凸出柱10，所述的连动杆4通过凸出柱10而与手推架3铰接。
如上所述的婴儿车骨架，其特征在于：所述的后腿2包括支撑部24，所述的后轮2a连接在支撑部24上，所述的支撑部24上设有向 上延伸并相互隔开的第一支架21和第二支架22，所述的第一支架21上端向第二支架22一侧弯折而形成第三支架23，所述的第一连接部201设在第三支架23上，所述的第二连接部202包括位于第二支架22上端的左连接头2021和位于第三支架23端部的右连接头2022，所述的左连接头2021与右连接头2022之间形成连接槽2023，所述的手推架3下端铰接在连接槽2023内。
如上所述的婴儿车骨架，其特征在于：所述的座位7下方还设有能够相对其抽拉的抽拉架20。
与现有技术相比，本发明有如下优点：本发明的锁定装置解锁后，手推架绕第二铰接点转动，因此，手推架在向后转动的过程中，可以通过铰接在其上的连动杆推动前腿绕第一铰接点转动，使得前腿向后腿靠拢，与此同时，座位牵引杆和传动杆也相对后腿转动，最终实现婴儿车骨架的折叠，折叠后体积小，结构紧凑，占用空间小，携带方便，可以放在汽车尾箱或飞机座位上方的行李架内，而且折叠过程操作方便，收合灵活。
【附图说明】
图1是本发明立体图；
图2是图1中H处的放大视图；
图3是本发明的部件的立体图之一；
图4是本发明的部件的立体图之二；
图5是图4中I处的放大视图；
图6是本发明的部件的分解图；
图7是图6中J处的放大视图；
图8是本发明的部件的立体图之三；
图9是图8中K处的放大视图；
图10是本发明婴儿车骨架处于展开锁定时的剖视图；
图11是图10中L处的放大视图；
图12是本发明的抽拉架被拉出时的立体图；
图13是本发明的后腿和后轮的立体图；
图14是本发明的侧视图；
图15是本发明在折叠过程中的侧视图；
图16是本发明在折叠后的立体图；
图17是图16中M处的放大视图。
【具体实施方式】
下面结合附图对本发明作进一步描述：
如图1至图9，图13，图16和图17所示，婴儿车骨架，能从展开位置移动至折叠位置，包括：
前腿1，所述的前腿1下端连接有前轮1a；
后腿2，所述的后腿2下端连接有后轮2a，所述的后腿2上端设有第一连接部201和第二连接部202，所述的前腿1上端与第一连接部201铰接并在相铰接位置形成第一铰接点A；
手推架3，所述的手推架3的下端与所述的第二连接部202铰接并在相铰接位置形成第二铰接点B；
连动杆4，所述的连动杆4一端与手推架3铰接并在相铰接位置 形成第三铰接点C，所述的连动杆4另一端与前腿1铰接并在相铰接位置形成第四铰接点D；
座位牵引杆5，所述的座位牵引杆5的一端与前腿1铰接并在相铰接位置形成第五铰接点E，所述的座位牵引杆5另一端设有与其铰接并在相铰接位置形成第六铰接点F的传动杆6，而且所述的传动杆6与手推架3铰接并在相铰接位置形成第七铰接点G；
座位7，所述的座位7连接在座位牵引杆5上；
锁定装置8，所述的锁定装置8在锁定时能使婴儿车骨架保持展开状态，而在解锁后能使手推架3、前腿1、连动杆4、座位牵引杆5和传动杆6相对后腿2转动而折叠。锁定装置8解锁后，手推架3绕第二铰接点B转动，因此，手推架3在向后转动的过程中，可以通过铰接在其上的连动杆4推动前腿1绕第一铰接点A转动，使得前腿1向后腿2靠拢，与此同时，座位牵引杆5和传动杆6也相对后腿2转动，最终实现婴儿车骨架的折叠，折叠后体积小，结构紧凑，占用空间小，携带方便，可以放在汽车尾箱或飞机座位上方的行李架内，而且折叠过程操作方便，收合灵活。
如图5、图7和图9所示，沿婴儿车骨架的前后方向，所述的第一铰接点A位于第四铰接点D的后侧，所述的第二铰接点B、第三铰接点C和第五铰接点E位于第四铰接点D的前侧。
沿婴儿车骨架的前后方向，所述的手推架3的重心位于第七铰接点G的后侧。因此，在锁定装置8解锁后，手推架3上端在自身重力的作用下下降，从而实现手推架3自动绕第二铰接点B转动，使婴儿 车骨架的折叠操作更简便快捷。
如图3、图4和图7所示，所述的座位牵引杆5呈“Z”形，所述的座位牵引杆5包括用于固定座位7的平直段51，所述的平直段51的一端向下弯折而形成第一弯折段52，所述的第一弯折段52与前腿1铰接，所述的平直段51的另一端向上弯折而形成第二弯折段53，所述的第二弯折段53与传动杆6铰接。
如图5和图9所示，所述的后腿2上端与前腿1上端相合而围成供连动杆4在内活动的开口腔9，所述的连动杆4下端插入开口腔9内而与前腿1铰接。由于连动杆4是在开口腔9内活动，所以整个婴儿车骨架的体积小，结构紧凑。
所述的锁定装置8可以设在前腿1与后腿2之间，也可以设在前腿1与座位牵引杆5之间。当然，锁定装置8还可以设在手推架3与后腿2之间或手推架3与前腿1之间或手推架3与传动杆6之间。因为对于相互铰接且能够展开或折叠的连杆机构而言，只要在任意两个具有铰接关系的元件之间设置锁定装置均能实现整个连杆机构的展开锁定或解锁折叠。
在本实施例中，锁定装置8设在前腿1与后腿2之间，同时也设置在前腿1与座位牵引杆5之间，达到了多重锁定的目的，锁定更牢固。如图1，图2和图8至图11所示，所述的锁定装置8包括设在前腿1上的固定套81，所述的固定套81内设有能在其内滑行的滑行块82，所述的滑行块82上设有第一锁定销83，所述的座位牵引杆5和前腿1上分别设有能供第一锁定销83插入而使婴儿车骨架在展开 位置锁定的第一锁定孔84，所述的滑行块82上还设有第二锁定销85，所述的前腿1和后腿2上还分别设有当第一锁定销83插入第一锁定孔84时能供第二锁定销85插入的第二锁定孔86，所述的固定套81上还连接有能使滑行块82在固定套81内滑行的拉拔机构87。第一锁定销83与第一锁定孔84配合而锁定前腿1和座位牵引杆5，而第二锁定销85与第二锁定孔86配合而锁定前腿1和后腿2，所以滑行块82的一次滑行运动可以同时锁定前腿1、后腿2和座位牵引杆5，到达了多重锁定的目的，对婴儿车骨架展开状态的锁定效果更好，更牢固，更安全。
如图8、图10和图11所示，所述的拉拔机构87包括铰接在固定套81外侧的手柄871，所述的手柄871上设有与滑行块82连接并在手柄871转动时能拉动滑行块82滑动的拉索872。
如图2、图5、图9和图17所示，所述的手推架3上设有横向凸出的凸出柱10，所述的连动杆4通过凸出柱10而与手推架3铰接。
如图5、图7和图13所示，所述的后腿2包括支撑部24，所述的后轮2a连接在支撑部24上，所述的支撑部24上设有向上延伸并相互隔开的第一支架21和第二支架22，所述的第一支架21上端向第二支架22一侧弯折而形成第三支架23，所述的第一连接部201设在第三支架23上，所述的第二连接部202包括位于第二支架22上端的左连接头2021和位于第三支架23端部的右连接头2022，所述的左连接头2021与右连接头2022之间形成连接槽2023，所述的手推架3下端铰接在连接槽2023内。因此，支撑部24、第一支架21、第 二支架22和第三支架23围成一个框形，能够增强后腿2对座位7的支撑能力，而且手推架3铰接在第二支架22和第三支架23之间的连接槽2023内，能够对手推架3提供很好的支撑，也使得整个婴儿车骨架的结构紧凑，各零部件的连接更圆滑，更美观。
如图12和图14所示，所述的座位7下方还设有能够相对其抽拉的抽拉架20。一般婴儿车的座位7会比较短，不能满足婴幼儿以躺卧的方式乘坐婴儿车，但是抽拉架20的设置就能延长座位7在婴儿车前后方向的长度，当婴幼儿需要躺卧时，可以将抽拉架20抽出，当婴幼儿不需要躺卧时，可以将抽拉架20推进到座位7的下方而减小婴儿车占用的空间。
如图1、图12、图14和图15所示，所述的传动杆6上端还可拆卸连接有前扶手30，前扶手30连接在传动杆6的上端，所以当婴儿车骨架折叠时，前扶手30也可以跟随折叠，改变了传统婴儿车骨架在折叠时需要拆掉前扶手的缺陷，使用户操作更简便快捷。所述的手推架3的上端还转动连接有手推把40。
工作原理：
在婴儿车折叠时，首先相对手推架3转动手推把40而使手推把40先折叠。
接着，通过转动手柄871，由于手柄871铰接在固定套81的外侧，所以在沿固定套81周向方向转动手柄871的过程中，转动手柄871会拉动拉索872，从而拉动滑行块82在固定套81内滑动。如图9和图11，当第二锁定销85从前腿1上的第二锁定孔86退出，而且 第一锁定销83从前腿1上的第一锁定孔84退出时，此时就完成锁定装置8的解锁。如图14和图15所示，由于手推架3的重心位于第七铰接点G的后侧，所以在锁定装置8解锁后，手推架3上端在自身重力的作用下下降，从而实现手推架3自动绕第二铰接点B向后转动。如图3至图7所示，手推架3在向后转动的过程中，铰接在其上的连动杆4会推动前腿1绕第一铰接点A转动，使得前腿1向后腿2靠拢，由于座位牵引杆5与前腿1铰接，而且座位牵引杆5后端与手推架3之间也设置有与二者铰接的传动杆6，所以在前腿1向后腿2转动靠拢的过程中，座位牵引杆5和传动杆6也相对后腿2转动，最终实现婴儿车骨架的折叠。

Claims (11)

  1. 婴儿车骨架，能从展开位置移动至折叠位置，其特征在于：包括：
    前腿(1)，所述的前腿(1)下端连接有前轮(1a)；
    后腿(2)，所述的后腿(2)下端连接有后轮(2a)，所述的后腿(2)上端设有第一连接部(201)和第二连接部(202)，所述的前腿(1)上端与第一连接部(201)铰接并在相铰接位置形成第一铰接点(A)；
    手推架(3)，所述的手推架(3)的下端与所述的第二连接部(202)铰接并在相铰接位置形成第二铰接点(B)；
    连动杆(4)，所述的连动杆(4)一端与手推架(3)铰接并在相铰接位置形成第三铰接点(C)，所述的连动杆(4)另一端与前腿(1)铰接并在相铰接位置形成第四铰接点(D)；
    座位牵引杆(5)，所述的座位牵引杆(5)的一端与前腿(1)铰接并在相铰接位置形成第五铰接点(E)，所述的座位牵引杆(5)另一端设有与其铰接并在相铰接位置形成第六铰接点(F)的传动杆(6)，而且所述的传动杆(6)与手推架(3)铰接并在相铰接位置形成第七铰接点(G)；
    座位(7)，所述的座位(7)连接在座位牵引杆(5)上；
    锁定装置(8)，所述的锁定装置(8)在锁定时能使婴儿车骨架保持展开状态，而在解锁后能使手推架(3)、前腿(1)、连动杆(4)、 座位牵引杆(5)和传动杆(6)相对后腿(2)转动而折叠。
  2. 根据权利要求1所述的婴儿车骨架，其特征在于：沿婴儿车骨架的前后方向，所述的第一铰接点(A)位于第四铰接点(D)的后侧，所述的第二铰接点(B)、第三铰接点(C)和第五铰接点(E)位于第四铰接点(D)的前侧。
  3. 根据权利要求1或2所述的婴儿车骨架，其特征在于：沿婴儿车骨架的前后方向，所述的手推架(3)的重心位于第七铰接点(G)的后侧。
  4. 根据权利要求1或2所述的婴儿车骨架，其特征在于：所述的座位牵引杆(5)呈“Z”形，所述的座位牵引杆(5)包括用于固定座位(7)的平直段(51)，所述的平直段(51)的一端向下弯折而形成第一弯折段(52)，所述的第一弯折段(52)与前腿(1)铰接，所述的平直段(51)的另一端向上弯折而形成第二弯折段(53)，所述的第二弯折段(53)与传动杆(6)铰接。
  5. 根据权利要求1或2所述的婴儿车骨架，其特征在于：所述的后腿(2)上端与前腿(1)上端相合而围成供连动杆(4)在内活动的开口腔(9)，所述的连动杆(4)下端插入开口腔(9)内而与前腿(1)铰接。
  6. 根据权利要求1或2所述的婴儿车骨架，其特征在于：所述的锁定装置(8)设在前腿(1)与后腿(2)之间或设在前腿(1)与座位牵引杆(5)之间。
  7. 根据权利要求1或2所述的婴儿车骨架，其特征在于：所 述的锁定装置(8)包括设在前腿(1)上的固定套(81)，所述的固定套(81)内设有能在其内滑行的滑行块(82)，所述的滑行块(82)上设有第一锁定销(83)，所述的座位牵引杆(5)和前腿(1)上分别设有能供第一锁定销(83)插入而使婴儿车骨架在展开位置锁定的第一锁定孔(84)，所述的滑行块(82)上还设有第二锁定销(85)，所述的前腿(1)和后腿(2)上还分别设有当第一锁定销(83)插入第一锁定孔(84)时能供第二锁定销(85)插入的第二锁定孔(86)，所述的固定套(81)上还连接有能使滑行块(82)在固定套(81)内滑行的拉拔机构(87)。
  8. 根据权利要求7所述的婴儿车骨架，其特征在于：所述的拉拔机构(87)包括铰接在固定套(81)外侧的手柄(871)，所述的手柄(871)上设有与滑行块(82)连接并在手柄(871)转动时能拉动滑行块(82)滑动的拉索(872)。
  9. 根据权利要求1或2或8所述的婴儿车骨架，其特征在于：所述的手推架(3)上设有横向凸出的凸出柱(10)，所述的连动杆(4)通过凸出柱(10)而与手推架(3)铰接。
  10. 根据权利要求1或2或8所述的婴儿车骨架，其特征在于：所述的后腿(2)包括支撑部(24)，所述的后轮(2a)连接在支撑部(24)上，所述的支撑部(24)上设有向上延伸并相互隔开的第一支架(21)和第二支架(22)，所述的第一支架(21)上端向第二支架(22)一侧弯折而形成第三支架(23)，所述的第一连接部(201)设在第三支架(23)上，所述的第二连接部(202)包括位于第二支架 (22)上端的左连接头(2021)和位于第三支架(23)端部的右连接头(2022)，所述的左连接头(2021)与右连接头(2022)之间形成连接槽(2023)，所述的手推架(3)下端铰接在连接槽(2023)内。
  11. 根据权利要求3所述的婴儿车骨架，其特征在于：所述的座位(7)下方还设有能够相对其抽拉的抽拉架(20)。
PCT/CN2017/096202 2016-09-23 2017-08-07 婴儿车骨架 WO2018054179A1 (zh)

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