CN207955751U - A kind of double baby carriage - Google Patents

Abstract

The utility model discloses a kind of go-cart for double child, it include the stroller frame with expansion and folded state, front component, wheel assembly, stroller frame can be locked in the locking mechanism of unfolded state, stroller frame includes being provided with the fore-stock of front component, it is provided with the after-poppet of wheel assembly, pulling handle rod, front stall bar, back seat bar, it rotates the back support bar connecting with the lower end of pulling handle rod, both ends rotate with fore-stock and after-poppet the connecting rod connecting respectively, the sliding part being slidably arranged on fore-stock, the upper end of after-poppet and pulling handle rod, back seat bar and after-poppet, the front end of back seat bar and the upper end of fore-stock, front stall bar and sliding part, the rear end of front stall bar and the lower end of back support bar are homogeneously rotatablely connected.When go-cart for double child folds, pulling handle rod is rotated down, sliding block realizes the folding of stroller frame along fore-stock slide downward, and reasonable design, folding volume is small, easy to operate.

Description

A kind of double baby carriage

Technical field

The utility model is related to a kind of articles for children technical fields, and in particular to a kind of double baby carriage.

Background technology

A kind of double baby carriage in the prior art（If notification number is CN206384010U, publication date 2017-8- 8）, including trolley rack, front component, wheel assembly, trolley rack include front-wheel support, rear wheel support, lower end and rear wheel support Lower rotational connection push rod, front stall bar and back seat bar, the top of the upper end of front-wheel support and rear wheel support is rotatablely connected, Trolley rack further includes being slidably arranged in sliding block on rear wheel support, the front of back seat bar and cunning along the length direction of rear wheel support Block rotation connection, rear portion and push rod are rotatablely connected, and trolley rack further includes the seat of the top rotation connection of upper end and rear wheel support Bar connecting rod, lower end and the front stall bar of seat bar connecting rod are rotatablely connected, and front stall bar is also rotatablely connected with front-wheel support, seat bar connecting rod, Front stall bar, front-wheel support, rear wheel support constitute four-bar mechanism；When the go-cart for double child folds, back seat bar, sliding block edge have been carried Rear wheel support upward sliding, you can use the folding for realizing trolley rack, but the rod piece of the double baby carriage is relatively more so that push away The assembling of vehicle is relatively complicated, while the folding mode for having carried back seat bar is needed with bigger strength so that folds inconvenient.

Invention content

The purpose of this utility model is in view of the deficiencies of the prior art, to provide a kind of double baby carriage that structure is different.

In order to achieve the above objectives, the technical solution adopted in the utility model is：

A kind of double baby carriage, include with expansion and the stroller frame of folded state, front component, wheel assembly, The stroller frame can be locked in the locking mechanism of unfolded state, the stroller frame include pulling handle rod, front stall bar, Back seat bar, the fore-stock for being provided with the front component, the after-poppet for being provided with the wheel assembly, the after-poppet Upper end rotate and connect with the pulling handle rod, the back seat bar rotates with the after-poppet to be connect, described The front end of back seat bar rotates with the upper end of the fore-stock and connect, and the stroller frame further includes being pushed away with described The rotate back support bar of connection, both ends of the lower end of barre rotate with the fore-stock and the after-poppet company respectively The connecting rod that connects, the sliding part being slidably arranged on the fore-stock, the front stall bar and the sliding part rotate company Connect, the rear end of the front stall bar rotates with the lower end of the back support bar to be connect, the back support bar with it is described Connecting rod rotates connection, and the pulling handle rod, the after-poppet, the back seat bar, the back support bar constitute double leval jib Mechanism, the back seat bar, the after-poppet, the connecting rod, the fore-stock constitute four-bar mechanism.

Specifically, the after-poppet is rotated by first rotating shaft with the pulling handle rod and is connect, the back seat bar It is rotated and is connect by the second shaft with the after-poppet, the connecting rod is turned with the after-poppet by third shaft phase Dynamic connection, the pulling handle rod are rotated by the 4th shaft with the back support bar and are connect, the back seat bar and described Fore-stock is rotated connection by the 5th shaft, and the connecting rod is rotated by the 6th shaft with the fore-stock and connect, The back support bar is rotated by the 7th shaft with the connecting rod and is connect, and the front stall bar passes through with the sliding part Eighth-turn axis rotates connection, and the front stall bar, which is rotated with the back support bar by the 9th shaft, to be connect.

Preferably, the first rotating shaft, second shaft, the third shaft, the 4th shaft, institute Turn of the 5th shaft, the 6th shaft, the 7th shaft, the eighth-turn axis, the 9th shaft stated Dynamic axial line extends each along the left and right directions of the double baby carriage.

It is further preferred that when the double baby carriage is in unfolded state, the connecting rod with it is described before The rotating joint of holder is located at the back upper place of the front stall bar and the rotating joint of the sliding part, the back seat The front lower place of the rotating joint of bar and the fore-stock, the connecting rod with before the rotating joint of the back support bar The rotating joint of top, the back support bar and the pulling handle rod is located at turn of the after-poppet with the pulling handle rod The front of dynamic tie point.

It is further preferred that the rotating joint of the back support bar and the pulling handle rod be located at the back seat bar and On before the rotating joint of the back upper place of the rotating joint of the fore-stock, the back seat bar and the after-poppet Side.

Specifically, when the double baby carriage is in unfolded state, the back seat bar is located at the front stall The top of bar and the connecting rod.

Preferably, the double baby carriage further includes the cloth set being set in the stroller frame, is located at described Pulling handle rod and the back seat bar between cloth set formed positioned at the double baby carriage rear portion seat backrest portion.

Specifically, the sliding part is the sliding sleeve being slidably located on the fore-stock.

Specifically, the fore-stock includes fore-stock ontology, is fixed on the fore-stock ontology and backward Extend the first connector of protrusion；The after-poppet includes after-poppet ontology, is fixed on the after-poppet ontology And extend the second connector of protrusion forward, the both ends of the connecting rod respectively with first connector and described Two connectors rotate connection.

Specifically, the pulling handle rod includes handle bar body, is fixed in the handle bar body and downwards Extend the third connector of protrusion, the upper end of the after-poppet rotates with the third connector and connect.

Specifically, when the double baby carriage folds, the pulling handle rod, which rotates down, drives the backrest Bar rotates, and is further driven to the link rotatable, and then the fore-stock is driven to be drawn close towards the after-poppet rotation, The rotation of the fore-stock and the back support bar drives the sliding part to slide down to the pulling handle rod, described Fore-stock, the after-poppet, the front stall bar, the back seat bar and the back support bar mutually draw close folding.

The left and right referred to above arrived is front and back up and down to wait the nouns of locality, is the children when double baby carriage is in unfolded state What orientation work when seating defined.

The scope of the utility model, however it is not limited to technical solution made of the specific combination of above-mentioned technical characteristic, while Above-mentioned technical characteristic should be covered or its equivalent feature carries out the other technologies scheme of arbitrary combination and formation.Such as features described above with Disclosed herein（But it is not limited to）Technical characteristic with similar functions is replaced mutually and the technical solution etc. that is formed.

Due to the application of the above technical scheme, the utility model has following advantages compared with prior art：This practicality is new When type go-cart for double child folds, pulling handle rod is rotated down, sliding block realizes the folding of stroller frame along fore-stock slide downward, Reasonable design, folding volume is small, easy to operate, also, the rod piece of the double baby carriage of the utility model is few, simple for structure, Convenient for assembling.

Description of the drawings

Attached drawing 1 is side view of the double baby carriage in unfolded state of the utility model specific embodiment；

Attached drawing 2 is the side view in the double baby carriage folding process of the utility model specific embodiment；

Attached drawing 3 is side view of the double baby carriage in folded state of the utility model specific embodiment；

Wherein：1, pulling handle rod；11, third connector；2, back seat bar；3, after-poppet；31, the second connector；32, rear wheels Part；4, back support bar；5, fore-stock；51, the first connector；52, front component；53, sliding sleeve；6, front stall bar；7, connecting rod；81, One shaft；82, the second shaft；83, third shaft；84, the 4th shaft；85, the 5th shaft；86, the 6th shaft；87, the 7th turn Axis；88, eighth-turn axis；89, the 9th shaft.

Specific implementation mode

The technical solution of the utility model is further elaborated in the following with reference to the drawings and specific embodiments.

As shown in the drawings, the utility model is related to a kind of double baby carriages comprising have expansion and folded state Stroller frame, front component 52, wheel assembly 32, stroller frame can be locked in the locking mechanism of unfolded state and be arranged Cloth set in stroller frame.The concrete structure of the locking mechanism of the go-cart for double child is not the weight of the utility model protection Stroller frame can be locked in the mechanism of unfolded state by point, and the installation position of locking mechanism is nor the utility model The emphasis of protection, as long as the position that stroller frame is locked in unfolded state can be realized.

Stroller frame includes the fore-stock 5 for being provided with front component 52, the after-poppet 3, the handle that are provided with wheel assembly 32 Bar 1, front stall bar 6, back seat bar 2, rotate with the lower end of pulling handle rod 1 back support bar 4 connecting, both ends respectively with fore-stock 5 It rotates the connecting rod 7 of connection, the sliding part that is slidably arranged on fore-stock 5 with after-poppet 3.The front of the double baby carriage The backrest portion at seat is formed by back support bar 4 with the cloth set being set in back support bar 4, and the backrest portion at the seat at rear portion is by being located at handle Cloth set between bar 1 and back seat bar 2 is formed.Pulling handle rod 1, after-poppet 3, back seat bar 2, back support bar 4 constitute four-bar mechanism, back seat Bar 2, after-poppet 3, connecting rod 7, fore-stock 5 constitute four-bar mechanism.

Fore-stock 5 includes fore-stock ontology, is fixed on fore-stock ontology and the first connection of the protrusion that extends back Part 51；The second connector that after-poppet 3 includes after-poppet ontology, is fixed on after-poppet ontology and extends protrusion forward 31；The third connector 11 that pulling handle rod 1 includes handle bar body, is fixed in handle bar body and extends downwardly protrusion.

The upper end of the after-poppet ontology of after-poppet 3 is turned with the third connector 11 of pulling handle rod 1 by 81 phase of first rotating shaft Dynamic connection, back seat bar 2 are rotated by the second shaft 82 with the after-poppet ontology of after-poppet 3 and are connect, and the lower end of connecting rod 7 is with after Second connector 31 of holder 3 is rotated connection by third shaft 83, and handle bar body and the back support bar 4 of pulling handle rod 1 pass through 4th shaft 84 rotates connection, and the front end of back seat bar 2 and the upper end of the fore-stock ontology of fore-stock 5 pass through the 5th shaft 85 rotate connection, and the upper end of connecting rod 7 is rotated by the 6th shaft 86 with the first connector 51 of fore-stock 5 and connect, backrest Bar 4 is rotated by the 7th shaft 87 with connecting rod 7 and is connect, and front stall bar 6, which is rotated with sliding part by eighth-turn axis 88, to be connect, preceding The rear end of seat bar 6, which is rotated with the lower end of back support bar 4 by the 9th shaft 89, to be connect.In the present embodiment, sliding part is to slide The dynamic sliding sleeve 53 being set on the fore-stock ontology of fore-stock 5.

First rotating shaft 81, the second shaft 82, third shaft 83, the 4th shaft 84, the 5th shaft 85, the 6th shaft 86, Seven shafts 87, eighth-turn axis 88, the 9th shaft 89 rotational axis line each along double baby carriage left and right directions extend.

When double baby carriage is in unfolded state, the rotating joint of connecting rod 7 and fore-stock 5（That is the 6th shaft）Position In the rotating joint of front stall bar 6 and sliding part（That is eighth-turn axis）Back upper place, back seat bar 2 and fore-stock 5 rotation connection Point（That is the 5th shaft）Front lower place, connecting rod 7 and back support bar 4 rotating joint（That is the 7th shaft）Front upper place, back support bar 4 With the rotating joint of pulling handle rod 1（That is the 4th shaft）Positioned at the rotating joint of back seat bar 2 and fore-stock 5（That is the 5th shaft） Back upper place, after-poppet 3 and pulling handle rod 1 rotating joint（That is first rotating shaft）Front, back seat bar 2 and after-poppet 3 turn Dynamic tie point（That is the second shaft）Front upper place.Back seat bar 2 is located at the top of front stall bar 6 and connecting rod 7.

When double baby carriage is in folded state, pulling handle rod 1, fore-stock 5, after-poppet 3, front stall bar 6, back seat bar 2 Folding is mutually drawn close with back support bar 4.

The folding principle of the utility model go-cart for double child：

As shown in Figure 1 and 2, when go-cart for double child folds, locking mechanism is unlocked, pulling handle rod 1 is rotated down and drives back support bar 4 rotate towards after-poppet 3, and the movement of back support bar 4 drives connecting rod 7 to be rotated towards after-poppet 3, and the movement of connecting rod 7 drives fore-stock 5 It is rotated towards after-poppet 3, the movement of fore-stock 5 and back support bar 4 drives sliding part slide downward, so that pulling handle rod 1, preceding branch Frame 5, after-poppet 3, front stall bar 6, back seat bar 2 and back support bar 4 mutually draw close folding.

Above-described embodiment is only the technical concepts and features for illustrating the utility model, and its object is to allow be familiar with technique Personage can understand the content of the utility model and implement according to this, the scope of protection of the utility model can not be limited with this. It is all according to equivalent change or modification made by the spirit of the present invention essence, should all cover the scope of protection of the utility model it It is interior.

Claims (10)

1. Include stroller frame with expansion and folded state, front component 1. a kind of double baby carriage（52）, wheel assembly （32）, the stroller frame can be locked in the locking mechanism of unfolded state, the stroller frame includes pulling handle rod （1）, front stall bar（6）, back seat bar（2）, be provided with the front component（52）Fore-stock（5）, be provided with the trailing wheel Component（32）After-poppet（3）, it is characterised in that：The after-poppet（3）Upper end and the pulling handle rod（1）It rotates Connection, the back seat bar（2）With the after-poppet（3）Rotate connection, the back seat bar（2）Front end with it is described Fore-stock（5）Upper end rotate connection, the stroller frame further includes and the pulling handle rod（1）Lower end phase The back support bar of rotation connection（4）, both ends respectively with the fore-stock（5）With the after-poppet（3）Rotate connection Connecting rod（7）, be slidably arranged in the fore-stock（5）On sliding part, the front stall bar（6）Turn with the sliding part phase Dynamic connection, the front stall bar（6）Rear end and the back support bar（4）Lower end rotate connection, the backrest Bar（4）With the connecting rod（7）Rotate connection, the pulling handle rod（1）, described after-poppet（3）, described back seat bar （2）, described back support bar（4）Constitute four-bar mechanism, the back seat bar（2）, described after-poppet（3）, described connecting rod （7）, described fore-stock（5）Constitute four-bar mechanism.
2. 2. double baby carriage according to claim 1, it is characterised in that：The after-poppet（3）With the handle Bar（1）Pass through first rotating shaft（81）Rotate connection, the back seat bar（2）With the after-poppet（3）Pass through the second shaft （82）Rotate connection, the connecting rod（7）With the after-poppet（3）Pass through third shaft（83）Rotate connection, described Pulling handle rod（1）With the back support bar（4）Pass through the 4th shaft（84）Rotate connection, the back seat bar（2）With it is described Fore-stock（5）Pass through the 5th shaft（85）Rotate connection, the connecting rod（7）With the fore-stock（5）Pass through the 6th Shaft（86）Rotate connection, the back support bar（4）With the connecting rod（7）Pass through the 7th shaft（87）Rotate connection, The front stall bar（6）Pass through eighth-turn axis with the sliding part（88）Rotate connection, the front stall bar（6）With it is described Back support bar（4）Pass through the 9th shaft（89）Rotate connection.
3. 3. double baby carriage according to claim 2, it is characterised in that：The first rotating shaft（81）, described Two shafts（82）, described third shaft（83）, described 4th shaft（84）, described 5th shaft（85）, described Six shafts（86）, described 7th shaft（87）, described eighth-turn axis（88）, described 9th shaft（89）Center of rotation Line extends each along the left and right directions of the double baby carriage.
4. 4. double baby carriage according to any one of claim 1 to 3, it is characterised in that：When the children double persons When cart is in unfolded state, the connecting rod（7）With the fore-stock（5）Rotating joint be located at the front stall bar （6）Back upper place, the back seat bar with the rotating joint of the sliding part（2）With the fore-stock（5）Rotation The front lower place of tie point, the connecting rod（7）With the back support bar（4）Rotating joint front upper place, the backrest Bar（4）With the pulling handle rod（1）Rotating joint be located at the after-poppet（3）With the pulling handle rod（1）Rotation The front of tie point.
5. 5. double baby carriage according to any one of claim 1 to 3, it is characterised in that：The back support bar（4）With The pulling handle rod（1）Rotating joint be located at the back seat bar（2）With the fore-stock（5）Rotating joint Back upper place, the back seat bar（2）With the after-poppet（3）Rotating joint front upper place.
6. 6. double baby carriage according to claim 1, it is characterised in that：When the double baby carriage is in expansion When state, the back seat bar（2）Positioned at the front stall bar（6）With the connecting rod（7）Top.
7. 7. double baby carriage according to claim 1 or 6, it is characterised in that：The double baby carriage further includes The cloth set being set in the stroller frame is located at the pulling handle rod（1）With the back seat bar（2）Between cloth set shape At the backrest portion at the seat positioned at the double baby carriage rear portion.
8. 8. double baby carriage according to claim 1, it is characterised in that：The sliding part is described to be slidably located in Fore-stock（5）On sliding sleeve（53）.
9. 9. double baby carriage according to claim 1, it is characterised in that：The fore-stock（5）Including fore-stock sheet Body is fixed on the fore-stock ontology and the first connector of the protrusion that extends back（51）；The after-poppet（3） Including after-poppet ontology, the second connector for being fixed on the after-poppet ontology and extending protrusion forward（31）, institute The connecting rod stated（7）Both ends respectively with first connector（51）With second connector（31）The company of rotating It connects.
10. 10. double baby carriage according to claim 1, it is characterised in that：When the double baby carriage folds, The pulling handle rod（1）It rotates down and drives the back support bar（4）Rotation is further driven to the connecting rod（7）Rotation, into And drive the fore-stock（5）Towards the after-poppet（3）Rotation is drawn close, the fore-stock（5）With the backrest Bar（4）Rotation drive the sliding part to slide down to the pulling handle rod（1）, described fore-stock（5）, it is described after Holder（3）, described front stall bar（6）, described back seat bar（2）With the back support bar（4）Mutually draw close folding.