CN202624310U

CN202624310U - Stroller

Info

Publication number: CN202624310U
Application number: CN 201220205645
Authority: CN
Inventors: 顾小聪; 钱伟桉
Original assignee: Goodbaby Child Products Co Ltd
Current assignee: Goodbaby Child Products Co Ltd
Priority date: 2012-05-09
Filing date: 2012-05-09
Publication date: 2012-12-26
Anticipated expiration: 2022-05-09

Abstract

The utility model provides a stroller. The stroller comprises a rack, a seat arranged on the rack, and front wheels and rear wheels arranged at the bottom of the rack; the rack comprises push rods, front wheel brackets, rear wheel brackets and a cushion rod, wherein the upper parts of the front wheel brackets can be rotatably connected with the push rods and the lower ends of the front wheel brackets are connected with the front wheels; the lower ends of the rear wheel brackets are connected with the rear wheels; and the front part of the cushion rod is connected with the rear parts of the front wheel brackets and the cushion rod is rotatably connected with the rear wheel brackets; the seat is arranged above the seat cushion rod; a sliding element is arranged on each push rod in a sliding way; the sliding element is rotatably connected with each rear wheel bracket; each push rod is provided with a first working position and a second working position; at the first working position, the upper parts of the push rods are arranged at the rear upper side of the seat; and at the second working position, the upper parts of the push rods are arranged at the front upper side of the seat; when the push rods are subjected to direction change, the push rods are rotated relative to the front wheel brackets; the sliding elements on the push rods are moved under the traction of the rear wheel brackets; and the rear wheel brackets are rotated relative to the cushion rod under the traction of the sliding elements. The overall structure of the stroller is simple, and no components can hinder the folding of the rack.

Description

Children trolley

Technical field

The utility model relates to a kind of children trolley.

Background technology

The wheel that the main body of children trolley generally comprises vehicle frame, is installed in the seat on the vehicle frame and is installed in bottom of frame, vehicle frame then mainly comprise push rod, front-wheel support, rear wheel support.For easy to use, the existing at present switchable children trolley of push rod.

Like the disclosed perambulator of utility model patent ZL 99226992.X, its bag foreleg, front-wheel, trailing wheel, trailing wheel, push rod, the top of foreleg connects a connection piece, and the top of back leg also is connected with this attaching parts, and the bottom of push rod flexibly connects with this attaching parts mutually.The push rod green phase is realized forward and backward switching-over to the rotation of attaching parts.

Summary of the invention

The purpose of the utility model provides the children trolley that a kind of push rod can commutate.

For achieving the above object; The utility model provides a kind of children trolley, comprises vehicle frame, is arranged at the seat on the vehicle frame, the front-wheel that is positioned at bottom of frame and trailing wheel, and vehicle frame comprises that push rod, top are connected in push rod and lower end rotationally and connect the front-wheel support of front-wheel, rear wheel support, front portion that the lower end connects trailing wheel and be connected in front-wheel support rear portion and the rear wheel support bonded assembly cushion rod that rotates; The seat is positioned at the top of cushion rod; Can be provided with a sliding part slidably along push rod on the push rod, sliding part rotates with rear wheel support and is connected, and push rod has first control position and second control position; Under first control position; The top of push rod is positioned at the back upper place at seat, and under second control position, the top of push rod is positioned at the front upper place at seat.When the forward go-cart; The top of push rod is positioned at the back upper place at seat, when needing reverse go-cart, push rod is rotated relative to front-wheel support; Sliding part on the push rod moves under the tractive of rear wheel support; Simultaneously, rear wheel support also rotates relative to cushion rod under the tractive of sliding part, turns to second control position until push rod.

Further, sliding part preferably is positioned at the top of the connection location of push rod and front-wheel support, push rod from first control position when second control position changes, sliding part is along the downward slippage of push rod.

Further, sliding part can be the sliding sleeve that is set on the push rod.

Further, sliding part can rotate through first rotating shaft with rear wheel support and be connected, and front-wheel support and push rod be logical can be crossed second rotating shaft and rotate and be connected, and the axis of the axis of first rotating shaft and second rotating shaft parallels.

Further, cushion rod rotates through the 3rd rotating shaft with rear wheel support and is connected, and the axis of the axis of the 3rd rotating shaft and first rotating shaft parallels.

Compared with prior art; The utlity model has advantage: the technical scheme that has adopted another kind of design; Through push rod relative to front-wheel support rotate, sliding part when push rod rotates relative to push rod move, rear wheel support rotates thereupon; Make push rod be able to switching-over, this structural entity simple structure, and do not have parts that the folding formation of vehicle frame is hindered.

Description of drawings

Accompanying drawing 1 is the forward condition scheme drawing according to the children trolley of a kind of embodiment of the utility model;

Accompanying drawing 2 is reverse state scheme drawings of children trolley shown in Figure 1;

Accompanying drawing 3 is the forward condition figure according to the children trolley of another embodiment of the utility model;

Accompanying drawing 4 is reverse state figure of children trolley shown in Figure 3.

Wherein: 1. push rod; 2. front-wheel support; 3. rear wheel support; 4. sliding sleeve; 5. first rotating shaft; 6. cushion rod; 7. back support bar; 8. front-wheel; 9. trailing wheel; 10. second rotating shaft; 11. the 3rd rotating shaft; 12. bottom bracing frame.

The specific embodiment

Below in conjunction with accompanying drawing the children trolley according to the preferred embodiment of the utility model is described.

Embodiment 1 sees shown in Fig. 1-2, schematically shows a kind of structure of children trolley of unidirectional-folding among the figure, and this children trolley comprises vehicle frame, is arranged at the seat on the vehicle frame, the front-wheel 8 that is positioned at bottom of frame and trailing wheel 9.Vehicle frame comprises that push rod 1, top are connected in push rod 1 and lower end rotationally and connect the front-wheel support 2 of front-wheel 8, rear wheel support 3, front portion that the lower end connects trailing wheel 9 and be connected in front-wheel support 2 and rear portion and the rear wheel support 3 bonded assembly cushion rod 6 that rotates; The seat promptly is positioned at the top of cushion rod 6; Because those skilled in the art know the structure and the mounting means at seat already; Thereby, do not demonstrate the seat in the accompanying drawings.

That kind as depicted in figs. 1 and 2 usually, also connects a back support bar 7 on the cushion rod 6, the seat is promptly supported by cushion rod 6 and back support bar 7.

Push rod 1 has first control position and second control position, and first control position is as shown in Figure 1, and the top of push rod 1 is positioned at the back upper place at seat, and second control position is as shown in Figure 2, and the top of push rod 1 is positioned at the front upper place at seat.Reach here this paper other everywhere " preceding ", " back " of indication be that custom according to the user defines, the left side among Fig. 1 is the front side, the right side is rear side.

Can be provided with a sliding part slidably along push rod 1 on the push rod 1, this sliding part rotates with rear wheel support 3 and is connected.In preferred embodiment illustrated in figures 1 and 2, sliding part is a sliding sleeve 4, and this sliding sleeve 4 is set on the push rod 1, and sliding sleeve 4 is positioned at the top of the connection location of push rod 1 and front-wheel support 2.

Ideally, sliding sleeve 4 rotates through first rotating shaft 5 with rear wheel support 3 and is connected, and front-wheel support 2 rotates through second rotating shaft 10 with push rod 1 and is connected, and the axis of the axis of first rotating shaft 5 and second rotating shaft 10 parallels.

Further, cushion rod 6 rotates through the 3rd rotating shaft 11 with rear wheel support 3 and is connected, and the axis of the axis of the 3rd rotating shaft 11 and first rotating shaft 5 parallels.

Under general situation; Push rod 1 is in first control position shown in Figure 1, and switching-over rear push-rod 1 can transform to second control position shown in Figure 2, and commutation method is: push rod 1 is rotated relative to front-wheel support 2 along the direction shown in the arrow A among Fig. 1; Drive through sliding sleeve 4; Rear wheel support 3 rotates along the direction shown in the arrow C among Fig. 1 relative to cushion rod 6, and simultaneously, sliding sleeve 4 can move relative to push rod 1 along the direction shown in the arrow B among Fig. 1.After push rod 1 switching-over, as shown in Figure 2, rear wheel support 3 also turns to a suitable position, make that the go-cart balance that oppositely pushes away is able to keep, and profile is also beautiful.

For ease of folding this go-cart, the rotating connection also can be adopted with front-wheel support 2 in the front portion of cushion rod 6, still preferably should be motionless relatively between cushion rod 6 and the front-wheel support 2 in the process of push rod 1 switching-over.

For making vehicle frame (no matter push rod 1 forward or backwards) Stability Analysis of Structures upon deployment; Preferably should vehicle frame be locked through a lockout mechanism; This lockout mechanism can be associated with sliding sleeve 4 or other rod member connection location; Those skilled in the art know the structure design and the operating mode of multiple lockout mechanism already, thereby no longer adopt accompanying drawing to do further to introduce in detail at this.

Fig. 3-4 has reflected the embodiment 2 according to the utility model; Embodiment 2 is with the difference of embodiment 1: this go-cart is bi-directional folded; Be provided with the bottom bracing frame 12 of X-shaped in the bottom of vehicle frame, this bottom bracing frame 12 intersects by two and constitutes at the infall bonded assembly connecting rod that rotates, and the two ends of every connecting rod are connected to respectively on the front-wheel support 2 that is positioned at opposition side and the rear wheel support 3 accordingly; When Folding trolley, bottom bracing frame 12 also can draw in.The reversing mode of the push rod 1 among this embodiment is directly with reference to the reversing mode of introducing among the embodiment 1.

More than combine diagram to be illustrated to the specific embodiment of the utility model, clearly, on the basis of the scope of not leaving the utility model and spirit, can much revise prior art and technology.In the affiliated technical field of the utility model, the common knowledge of a GPRS just can be carried out diversified change in the technological main idea scope of the utility model.

Claims

1. children trolley; Comprise vehicle frame, be arranged at the seat on the vehicle frame, the front-wheel that is positioned at bottom of frame and trailing wheel; Said vehicle frame comprises that push rod, top are connected in push rod and lower end rotationally and connect the front-wheel support of front-wheel, rear wheel support, front portion that the lower end connects trailing wheel and be connected in front-wheel support rear portion and the rear wheel support bonded assembly cushion rod that rotates, and said seat is positioned at the top of cushion rod, it is characterized in that: can be provided with a sliding part slidably along push rod on the said push rod; Said sliding part rotates with rear wheel support and is connected; Said push rod has first control position and second control position, and under first control position, the top of said push rod is positioned at the back upper place at seat; Under second control position, the top of said push rod is positioned at the front upper place at seat.

2. children trolley according to claim 1 is characterized in that: sliding part is positioned at the top of the connection location of push rod and front-wheel support.

3. children trolley according to claim 1 is characterized in that: sliding part is the sliding sleeve that is set on the push rod.

4. according to the described children trolley of one of claim 1-3; It is characterized in that: sliding part rotates through first rotating shaft with rear wheel support and is connected; Front-wheel support rotates through second rotating shaft with push rod and is connected, and the axis of the axis of first rotating shaft and second rotating shaft parallels.

5. children trolley according to claim 4 is characterized in that: cushion rod rotates through the 3rd rotating shaft with rear wheel support and is connected, and the axis of the axis of the 3rd rotating shaft and first rotating shaft parallels.