WO2002081287A1

WO2002081287A1 - An umbrella stroller having front and rear seat

Info

Publication number: WO2002081287A1
Application number: PCT/CN2002/000236
Authority: WO
Inventors: Zhenghuan Song
Original assignee: Goodbaby Child Products Co Ltd; Goodbaby Group Corp
Current assignee: Goodbaby Child Products Co Ltd; Goodbaby Group Corp
Priority date: 2001-04-06
Filing date: 2002-04-05
Publication date: 2002-10-17
Anticipated expiration: 2003-10-06
Also published as: CN1378937A

Abstract

An umbrella stroller having front and rear seat includes a pair of side frames, each of which comprises a handspike (9), a front leg (1), a rear leg (13), a lower linkage (11), wherein a lower end portion of the front seat backrest rod (3) is pivotally connected to the front portion of the lower linkage (11), and the front seat backrest rod (3) extending backwardly and upwardly is pivotally connected to the rear seat support rod (4), and a front seat backrest is provided between the front seat backrest rods (3) in two sides. Without the link rod, the structure of the whole frame is so simple that the frame can be folded and opened easily, and the production cost is reduced.

Description

具有前后座的伞把式童车技术领域本发明涉及一种婴儿推车，尤其涉及一种具有前后座的婴儿推车。背景技术现有技术中，美国专利 US5 , 221 , 106公开了一种前后座的伞把式童车，其后座垫杆的前部与前腿枢轴连接，还有一个撑杆的下端与前座垫杆枢轴连接，撑杆的上端与后座垫杆枢轴连接。由于推车需要经常地打开或收折，而美国专利 US5， 221 , 106 中公开的连接方法导致推车的杵件增多，各杆件的相互干涉性变大，对推车的杆件加工精度要求高，在杆件的加工精度低时可能会造成推车的打开和收折失败。发明概述本发明的目的在于提供一种结构简单、各杆件干涉性小的具有前后座的伞把式童车。根据本发明所述的具有前后座的伞把式童车，包括一对侧车架，每个侧车架包括推手杆、前腿、后腿、下连杆、前轮、后轮、底部支撑架、前座支架和后座支架。推手杆的顶端带有伞把式手柄；前腿与推手杆下端部枢轴连接；后腿的上端部枢轴连接于推手杆的大致中部；下连杆的后端部与后腿枢轴连接，下连杆的前部与前腿枢轴连接；前轮与前腿的下端部相连；后轮与后腿的下端部相连；底部支撑架与两侧车架下部相连，用于将两侧的侧车架可折叠地连接起来。前座支架包括前座垫杆、前座、前座靠背杆和前座靠背。前座垫杆由下连杆与前腿枢轴连接后向前方延伸形成；前座在两侧的前座垫杆之间形成；前座靠背杆的下端部与下连杆的前部枢轴连接，在两侧的前座靠背杆之间形成前座靠背。后座支架包括分别位于两侧的在下连杆上方的后座垫杆，每侧的后座垫杆的后端与后腿枢轴连接，前座靠背杆向后上方延伸并与后座垫杆的前部枢轴连接，后座在两侧的后座垫杆之间形成。本发明的推车结构简单紧凑，便于顺利地折叠和打开推车，并能降低生产成本。附图简要说明附图 1为本发明的立体图；附图 2为本发明的侧车架的结构示意图；附图中的标号分别代表左侧侧车架的构件： FIELD OF THE INVENTION The present invention relates to a baby stroller, and more particularly to a baby stroller with front and rear seats. BACKGROUND In the prior art, U.S. Patent No. 5,221,106 discloses an umbrella-type stroller with front and rear seats. The front portion of the rear seat cushion rod is pivotally connected to the front leg, and the lower end of the strut rod is connected to the front portion. The seat cushion rod is pivotally connected, and the upper end of the support rod is pivotally connected to the rear seat cushion rod. Because the cart needs to be opened or folded frequently, the connection method disclosed in US Pat. No. 5,221,106 leads to an increase in the number of pestle parts of the cart, the mutual interference between the various rods becomes larger, and the processing accuracy of the rods of the cart is increased. The requirements are high. When the processing accuracy of the rod is low, the cart may fail to open and collapse. SUMMARY OF THE INVENTION The object of the present invention is to provide an umbrella-type stroller with a front seat and a back seat that has a simple structure and low interference between various lever members. The umbrella-type baby carriage with front and rear seats according to the present invention includes a pair of side frames, and each side frame includes a push rod, a front leg, a rear leg, a lower link, a front wheel, a rear wheel, and a bottom support frame. , Front seat bracket and rear seat bracket. The top of the push handle is provided with an umbrella-type handle; the front legs are pivotally connected to the lower end of the push handle; the upper ends of the rear legs are pivotally connected to approximately the middle of the push handle; the rear end of the lower link is pivotally connected to the rear legs The front part of the lower link is pivotally connected to the front leg; the front wheel is connected to the lower end of the front leg; the rear wheel is connected to the lower end of the rear leg; the bottom support frame is connected to the lower part of the frame on both sides for connecting the two sides The side frames are foldably connected. The front seat bracket includes a front seat cushion rod, a front seat, a front seat back rod, and a front seat back. The front seatpost is formed by pivoting the lower link to the front leg and extending forward; the front seat is formed between the front seatposts on both sides; the lower end of the front seatback lever is pivotally connected to the front of the lower link, A front seat back is formed between the front seat back rods on both sides. The rear seat bracket includes rear seat cushion rods located above the lower link on each side, and the rear end of each side seat cushion rod is pivotally connected to the rear leg. The front seat back rod extends rearward and upward and is connected to the rear seat cushion rod. The front part is pivotally connected, and the rear seat is formed between the rear seat cushion rods on both sides. The cart of the present invention has a simple and compact structure, is convenient to smoothly fold and open the cart, and can reduce production costs. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of the present invention; FIG. 2 is a schematic structural diagram of a side frame of the present invention;

1 -前 2 -前座垫杆； 3 -前座靠背杆； 4 -后座垫杆； 5 -前座侧扶手杆； 6 -前座前扶手杆； 7 -推手杆前段； 8 -前座靠背杆上段； 9 -推手杆； 10 -前轮； 11 -下连杆； 12 -下交叉撑杆； 13 -后腿； 14 -后轮； 15 -后座靠背杆； 16 -下撑杆； 17 -交叉撑杆； 18 -上撑杆；数字后带 a的标号为右侧侧车架的杆件，例如 7a为右侧的推手 4干前段。具体实施方式下面结合附图及实施例对本发明作进一步的描述。根据本发明所述的具有前后座的伞把式童车，包括一对侧车架、与两侧车架下部相连的底部支撑架，前座支架和后座支架。其中，一对侧车架由左侧车架和右侧车架组成。下面以左侧车架为例描述侧车架的结构，右侧车架的构件与左侧车架的构件完全相同，不再赘述。左侧车架包括，顶端带有伞把式手柄的推手杆 9、前腿 1、后腿 13、下连杆 11、前轮 10和后轮 14。底部支撑架由下交叉撑杆 12和 12a组成。前座支架包括前座垫杆 2和 2a、前座、前座靠背杆 3和 3a和前座靠背。后座支架包括后座垫杆 4和 4a和后座。推手杆 9， 9a的下端部与前腿 1， la的上端部才区轴连接，前腿 1 , la的下端部带有前轮 10, 10a; 后腿 13 , 13a的上端部枢轴连接在推手杆 9, 9a的大致中部处，后腿 13， 13a的下端带有后轮 14， 14a; 下交叉撑杆 12, 12a的前端部分别与前腿 1 , la的下部活动连接，下交叉撑杆 12, 12a的后端部分别与后腿 13， 13a的下部活动连接；在下交叉撑杆 12, 12a的上方设有下连杆 11， 11a, 下连杆 11 , 11a的后端部与后腿 13 , 13a 枢轴连接，下连杆 11 , 11a的前部与前腿 1 , la枢轴连接后继续向前延伸形成前座垫杆 2, 2a, 在两侧的前座垫杆 2和 2a之间设有前座垫；下连杆 11 , 11a的上方设有后座垫杆 4, 4a, 后座垫杆 4, 4a的后端部与后腿 13， 13a 枢轴连接，在两侧的后座垫杆 4和 4a的后部之间设有后坐垫；前座靠背杆 3 , 3a的下端部与下连杆 11， 11a的前部枢轴连接，前座靠背杆 3 , 3a向后上方延伸并与后座垫杆 4, 4a枢轴连接，两侧的前座靠背杆 3和 3a之间设有前座靠背，该前座靠背优选由织物构成。前座靠背杆 3, 3a与后座垫杆 4, 4a枢轴连接后继续向后上方延伸形成前座靠背杆上段 8, 8a, 该段杆件也作为前座的靠背杆，两个靠背杆之间用织物进行连接形成靠背。后座垫杆 4, 4a与前座靠背杆 3 , 3a枢轴连接后再继续向前方延伸形成前座侧扶手杆 5 , 5a, 该前座侧扶手杆 5 , 5a与前座前扶手杆 6， 6a枢轴连接，优选将前座前扶手杆 6, 6a设置为弧形。后腿 13 , 13a还与后座靠背杆 15 , 15a的下端部枢轴连接，两侧的后座靠背杆 15， 15a之间连接有后座靠背。下撑杆 16与后腿 13的下部枢轴连接，下撑杆 16a与后腿 13a的下部枢轴连接，下撑杆 16和 16a之间以枢轴方式连接。上撑杆 18枢轴连接在后腿 13的大致中部处，上撑杆 18a枢轴连接在后腿 13a的大致中部处，上撑杆 18 和 18a枢轴连接，在下撑杆和上撑杆之间连接有交叉撑杆 17和 17a，当推车打开时，交叉撑杆 17和 17a能增强左侧车架和右侧车架之间的稳定性。 1 -Front 2 -Front seat backrest rod; 3 -Front seat backrest rod; 4 -Front seat backrest rod; 5 -Front seat side armrest rod; 6 -Front seat front armrest rod; 7 -Push rod front section; 8 -Front seat back rod; 9-Push lever; 10-Front wheel; 11-Lower link; 12-Lower cross brace; 13-Rear leg; 14-Rear wheel; 15-Rear seat back bar; 16-Lower brace; 17-Cross brace 18; upper strut; the number with a at the back is the lever of the right side frame, for example 7a is the right pusher 4 and the front section. DETAILED DESCRIPTION The present invention is further described below with reference to the accompanying drawings and embodiments. The umbrella-type baby carriage with front and rear seats according to the present invention includes a pair of side frames, a bottom support frame connected to the lower portion of the frame on both sides, a front seat bracket and a rear seat bracket. Among them, a pair of side frames is composed of a left frame and a right frame. The structure of the side frame is described below using the left frame as an example. The components of the right frame are exactly the same as those of the left frame, and will not be described again. The left side frame includes a push lever 9 with an umbrella-type handle at the top, front legs 1, rear legs 13, lower links 11, front wheels 10, and rear wheels 14. The bottom support frame is composed of lower cross braces 12 and 12a. The front seat bracket includes front seat cushion bars 2 and 2a, a front seat, front seat back bars 3 and 3a, and a front seat back. The rear seat bracket includes rear seat cushion rods 4 and 4a and a rear seat. The lower ends of the push rods 9, 9a are axially connected to the upper ends of the front legs 1, la, and the lower ends of the front legs 1, 1a are provided with front wheels 10, 10a; the upper ends of the rear legs 13, 13a are pivotally connected to At the approximate middle of the push rods 9, 9a, the lower ends of the rear legs 13, 13a are provided with rear wheels 14, 14a; the front ends of the lower cross braces 12, 12a are movably connected to the lower portions of the front legs 1, la, respectively, and the lower cross braces The rear ends of the rods 12, 12a are movably connected to the lower portions of the rear legs 13, 13a, respectively. Above the lower cross braces 12, 12a, lower links 11, 11a, and the rear ends of the lower links 11, 11a are connected to the rear. The legs 13 and 13a are pivotally connected, and the front portions of the lower links 11 and 11a are pivotally connected to the front legs 1 and 1a to continue to extend forward to form the front cushion rods 2, 2a, and the front cushion rods 2 and A front seat cushion is provided between 2a; a rear seat rod 4, 4a is provided above the lower links 11, 11a, and the rear end portions of the rear seat rods 4, 4a are pivotally connected to the rear legs 13, 13a. The rear seat cushions are provided between the rear parts of the rear seat cushion rods 4 and 4a; the lower ends of the front seat back rods 3 and 3a are pivotally connected to the front parts of the lower links 11, 11a, and the front seat back rods 3 and 3a are rearward. Extends upwards with rear seat post 4 , 4a is pivotally connected, and a front seat back is provided between the front seat back bars 3 and 3a on both sides, and the front seat back is preferably composed of a fabric. The front seat back bars 3, 3a are pivotally connected to the rear seat pad bars 4, 4a and then extend rearward and upward to form the upper section of the front seat back bar 8, 8a. This section of the bar also serves as the front seat back bar, and is used between the two back bars. The fabric is joined to form a backrest. The rear seat cushion rods 4, 4a are pivotally connected to the front seat back rods 3, 3a and then continue to extend forward to form the front seat side armrest bars 5, 5a. The front seat side armrest bars 5, 5a and the front seat front armrest bars 6, 6a are pivoted. For connection, the front seat front armrests 6, 6a are preferably set in an arc shape. The rear legs 13 and 13a are also pivotally connected to the lower ends of the rear seat back bars 15, 15a, and the rear seat backs are connected between the rear seat back bars 15, 15a on both sides. The lower stay 16 is pivotally connected to the lower part of the rear leg 13, the lower stay 16 is pivotally connected to the lower part of the rear leg 13 a, and the lower stays 16 and 16 a are pivotally connected. The upper stay 18 is pivotally connected at approximately the middle of the rear leg 13 and the upper stay 18a is pivotally connected at approximately the middle of the rear leg 13a. The upper stays 18 and 18a are pivotally connected. Cross braces 17 and 17a are connected between them. When the cart is opened, the cross braces 17 and 17a can enhance the stability between the left frame and the right frame.

Claims

Rights request

1. A life-type stroller with front and rear seats, including:

A pair of side frames, each side frame includes:

Push handle (9, 9a), the top of the push handle is provided with an umbrella handle;

A front leg (1, la), which is pivotally connected to the lower end of the push lever (9, 9a);

Legs (13, 13a), the upper ends of the rear legs are pivotally connected to substantially the middle of the push levers (9, 9a);

A lower link (11, 11a), a rear end portion of the lower link is pivotally connected to the rear leg (13, 13a), and a front portion of the lower link is connected to the front leg (1, la) Pivot connection

A front wheel (10, 10a), the front wheel is connected to the lower end of the front leg (1, la); and a rear wheel (14, 14a), the rear wheel is connected to the rear leg (13, 13a) The lower end portion is connected; a bottom support frame connected to the lower portion of the frame on both sides is used to foldably connect the pair of side frames;

Front seat bracket, including:

A front seat cushion rod (2, 2a) formed by pivotally connecting the lower link to the front leg and extending forward, forming a front seat between the front seat cushion rods (2, 2a) on both sides; and

The front seat back bar (3, 3a), the lower end of the front seat back bar (3, 3a) is pivotally connected to the front of the lower link (11, 11a), and the front seat back bars (3, 3a) on both sides Forming a front seat back; and

The rear seat bracket includes rear seat cushion rods (4, 4a) located above the lower links (11, 11a) on both sides, and a rear end of the rear seat cushion rods (4, 4a) on each side and the The rear legs (13, 13a) are pivotally connected, and the front seat back bar (3, 3a) extends rearward and upward and is pivotally connected to the front of the rear seat art bar (4, 4a). A rear seat is formed between the seat cushion rods (4, 4a).

2. The umbrella-type stroller with front and rear seats according to claim 1, characterized in that the front seat backrest rod (3) and the rear seat cushion rod (4) are pivotally connected and then extend rearward and upward to form a front seat. Upper backrest section (8).

3. The umbrella-type stroller with front and rear seats according to claim 1, wherein the rear seat cushion rod (4) and the front seat back rod (3) are pivotally connected and then continue to extend forward to form a front seat. Side armrest (5).

4. The umbrella-type stroller with front and rear seats according to claim 3, characterized in that a front seat front armrest bar ( ⁶ ) is connected between the front seat side armrest bars ( ⁵ ).

5. The umbrella-type stroller with front and rear seats according to claim 1, wherein the rear seat bracket further comprises rear seat backrest rods (15, 15a) on both sides of the rear seat backrest rod. The lower end portion is pivotally connected to the rear leg, and the rear seat backrest rods (15) on both sides are shaped between Backrest.

6. The umbrella-type stroller with front and rear seats according to claim 1, wherein the bottom support frame is composed of a pair of cross support rods (12, 12a), and the cross support rods (12, 12a) The two front end portions of the two are movably connected to the lower portions of the front legs (1, 1a) on both sides, and the two rear end portions of the cross supporting rod (12, 12a) are movably connected to the lower portions of the rear legs on both sides.

7. An umbrella-type stroller with front and rear seats according to any one of the preceding claims, characterized in that said stroller is foldable when not in use.