CN2294196Y

CN2294196Y - Folding baby carriage structure

Info

Publication number: CN2294196Y
Application number: CN 97202137
Authority: CN
Inventors: 陈鸿村; 甘明村
Original assignee: Individual
Current assignee: Individual
Priority date: 1997-03-12
Filing date: 1997-03-12
Publication date: 1998-10-14
Anticipated expiration: 2007-03-12

Abstract

The utility model relates to a structure for a folding type baby carriage. Joint members are arranged among diagonal groups on both sides and a back rod group on a back face. The inner part of each joint member is provided with a positioning key and a clamping and buckling key which hooks and buckled the positioning key. Both sides of the back rod group are respectively provided with safety devices composed of the clamping and buckling keys and positioning blocks for buckling and combination of the clamping and buckling keys and the positioning blocks when the baby carriage is unfolded, causing the back rod group can not be freely combined. The inner side of a movable block arranged at the front end of a seat rod of each diagonal group of side edges is protruded with a flange, and is butted with a vertical rod part of each diagonal group. Thus the baby carriage can be convenient folded. The movable block can be raised by the rotation of the vertical rods to prevent the movable block form falling in a bottom rod group. The baby carriage with the structure has the advantages of greatly improved safety at the time of use, convenient operation and good folding.

Description

The Foldable baby carriage structure

The utility model relates to baby carriage structure, refer in particular to a kind of expansion that utilizes positioning key and blocking key to be simplified the control perambulator, fold, and be convexly equipped with flange in the movable block inboard of sitting the bar front end again, cooperate the vertical rod that is hubbed on one side to praise when perambulator is amounted to, and make folding smooth, secondly be provided with buckle key and locating piece at the perambulator back, mutual buckle formed safety effect when perambulator launched, each member relevant position of perambulator is located really, can not arbitrarily fold, to improve its safety.

Perambulator is can amount to a kind of not time spent to place, and deployable confession child takes during use, pushes away away mobile child's articles for use by the adult then.Because it uses object to comprise child and adult, so child's part should consider to provide safety, comfortable function, just adult's part is then mainly considered the comfort feature and the simplification of operation.

Perambulator basic structure commonly used connects back of the body bar group by the brace group back side of two sides, and the brace group then is connected the structure that formation can be amounted to, be launched with carrying on the back between the bar line by the bottom bar group.Wherein be typically provided with joint piece between brace group and back of the body bar group, this joint piece inside is combined with some members can supply blocking, make brace group and back of the body bar group locate, owing to the structure kind that common structure is designed is a lot of, and it is complicated, cause comparatively inconvenience in the assembling, but because blocking is designed to whole unique blocking place of perambulator, the member that adds control blocking place all is quite to protrude to use with the handled easily person, cause accidentally and touch, the probability of pushing improves many relatively, therefore as long as there is the situation of false touch to take place, perambulator may be just in the process of passing folding of (or unexpected) gradually, and the child who takes on the car is caused the pinching situation, this perambulator becomes a nocuous apparatus undoubtedly, the child is had no safety can be sayed, so do not have the structure of safety device, must be improved to meet safe user demand.

Secondly, the structure at child seat is provided on the perambulator, be to sit by two that sheathed cushion forms between bar, for the both feet that make things convenient for the child are put, sitting the bar front end is provided with rotating movable block and combines with cushion, by the different fixed angle of movable block, the seat front end is formed put face then, keep flat the usefulness of both feet or lowering both feet for the child.When become hanging down, puts when sitting bar and become nearly vertical angle and perambulator to fold movable block, this movable block is constant with the relativeness of sitting bar, but sit bar and brace group, bottom bar group, all together synthetic parallel shape of back of the body bar group, the activity of this moment then can fall into aforementioned and each bar group of closing in and cause the blocking situation, make the folding of perambulator to get and earlier this movable block is pulled to predetermined angle and just can carry out, so will make the operational motion that the folds perambulator cooresponding inconvenience that becomes, do not meet purpose easy and simple to handle, the necessity that is improved is arranged.

At defective of the prior art, inventor's active research, exploitation, and, create baby carriage structure of the present utility model through repeatedly studying.

Main purpose of the present utility model is to provide a kind of Foldable baby carriage structural improvement, utilize mode group between brace group and back of the body bar group of buckle to be provided with buckle members such as blocking key and positioning key, when pushing positioning key, can become buckle in conjunction with shape with the blocking key, and then the locating point on this positioning key and the brace group is broken away from, constitute structure of simplifying and the operation that helps folding whereby;

Second purpose of the present utility model is to provide a kind of Foldable baby carriage structural improvement, utilize the buckle mode respectively to be provided with buckle key and locating piece in back of the body bar group two sides, when perambulator launches to use, form safety device one, unless remove combining of buckle key and locating piece, otherwise perambulator can't fold, even the aforementioned positioning key of false touch causes positioning key and locating point disengaging, this perambulator still can not fold in moving process automatically, can provide better safety in utilization to the child whereby.

The 3rd purpose of the present utility model is to provide a kind of Foldable baby carriage structural improvement, utilize between member and offset, when being rotated, one member drives the mode that another member rotates simultaneously, be convexly equipped with flange in the movable block inboard of sitting boom end, this flange offsets with the vertical rod that is pivoted with adjacent side, when perambulator folds, vertical rod can push flange that movable block is lifted by an end when rotating, with with sit bar and become nearly linearity, that movable block can other bar groups of overslaugh when perambulator was folded and close, make that to fold operation more smooth and easy.

The purpose of this utility model is achieved in that

A kind of Foldable baby carriage structure, comprise the brace group, joint piece, back of the body bar group, bottom bar group and side lever group, wherein this brace group is by oblique apportion two sides of two stocks, the top of each stock respectively is formed with handle, the stopper that midway location is provided with Jiong shape connects two stocks, the bottom of each stock then is provided with wheel, this back of the body bar group is the back side that two vertical pole branches are located at stock, there is joint piece to connect therebetween, connect and be provided with the scissors bar between two vertical poles, the bottom of each vertical pole respectively is provided with wheel, and this bottom bar group is that two bottom bars are crossed as scissors, the end of each bottom bar is connected with stock and vertical pole respectively, each side lever group is that a bar is connected between stock and the vertical pole, and this bar position is arranged with movable block on the end position at stock place, is provided with vertical rod between movable block and Jiong shape stopper, and an end of vertical rod is articulated in the inboard of movable block, it is characterized in that:

Be provided with positioning key, blocking key and spring in this joint piece;

This positioning key top is provided with the blocking recess, surface below is provided with the protruding grain of buckle, and two sides form the buckle breach and are hubbed in the joint piece with following buckle breach, and the one end protrudes joint piece, contiguous pivot points place then cooperates spring one end to support the internal face that ends at joint piece, and the other end supports and ends positioning key;

This blocking key is that an end is provided with hook part and lower hook part, and it is hubbed on the vertical pole of back of the body bar group, and goes up hook part and lower hook part protrusion vertical pole, and the protruding grain of the buckle of corresponding positioning key.

The protruding grain of described buckle two sides are provided with the dip plane, and are provided with upper and lower blocking recess in the end of dip plane.

The other end of described blocking key forms installation portion, and this installation portion is installed in the vertical pole articulated.

Described installation portion can be made into the inverted T-shaped structure

On the surface of two vertical poles of this back of the body bar group, correspondence is provided with locating piece, offers knock hole on the surface of each locating piece, be provided with two buckle keys on the top of scissors bar, one side type of each buckle key has the hook part, and when perambulator launched, the hook part of this buckle key can be hooked in the knock hole of locating piece.

Can be provided with connecting band between this two buckles key.

Can cooperate suitable ring set to be set on the vertical pole on this buckle key, make each buckle key can be along the vertical pole slippage.

The medial surface that this locating piece system is provided with vertical pole in correspondence with each other

The movable block inboard of sitting the bar front end of this side lever group convexes with flange, and this vertical rod one end just position is located below this flange, and offsets with this flange.

Major advantage of the present utility model is:

1, structure design exquisiteness is launched Foldable baby carriage and to fold operation easier, smooth and easy.

2, owing to be provided with safety device, has good safety in utilization

Below in conjunction with drawings and Examples the utility model is further specified:

Fig. 1 is stereoscopic figure of the present utility model;

Fig. 2 is a joint piece structural representation of the present utility model;

Fig. 3 is the illustrative view of the utility model joint piece;

Joint piece structural representation when Fig. 4 folds for the utility model;

Fig. 5 launches preceding joint piece illustrative view for the utility model;

This back of the body bar group External view of the present utility model of Fig. 6;

Fig. 7 is a back of the body bar group illustrative view of the present utility model;

Fig. 8 is a movable block External view of the present utility model;

Fig. 9 is a movable block illustrative view of the present utility model.

Consult Fig. 1, Foldable baby carriage structure of the present utility model comprises brace group 1, joint piece, 2 back of the body bar groups 3, bottom bar group 4 and side lever group 5.Wherein brace group 1 is by two stocks 11 and 12 oblique apportion two sides, and each stock 11 and 12 top respectively form handle 13 and 14, and the stopper 15 that interposition is equipped with Jiong shape is connecting two stocks 11 and 12, and the bottom of each stock 11 and 12 is provided with wheel 16 and 17; This back of the body bar group 3 is two vertical poles 31 and the back side that was located at stock 11 and 12 in 32 minutes, has joint piece 2 to connect therebetween, and two vertical poles 31 are provided with scissors bar 33 and are connected with 32, and the bottom of each vertical pole 31 and 32 respectively is provided with wheel 34 and 35; This bottom bar group 4 is crossed as scissors by two bottom bars 41 and 42, each bottom bar 41 and 42 end respectively with stock 11 with 12 and vertical pole 31 be connected with 32; Each side lever group 5 by sit bar 51 be connected stock 11 and 12 and vertical pole 31 and 32 between, this is sat the bar position and be arranged with movable block 52 on the end position at stock 11 and 12 places, secondly between movable block 52 and Jiong shape stopper 16, be provided with vertical rod 53, and an end of vertical rod 53 is articulated in the inboard of movable block 52.

Consult Fig. 2 to Fig. 5, one of improvement of the present utility model is to be provided with positioning key 21, blocking key 22 and spring 23 in the joint piece 2.Wherein positioning key 21 tops are provided with blocking recess 24, surface below is provided with the protruding grain 25 of buckle, the protruding grain of this buckle 25 2 sides have

dip plane

253 and 254, and form buckle breach 251 and following buckle breach 252 respectively in the end of

dip plane

253 and 254, so be hubbed in the joint piece 2, the one end protrudes joint piece 2, and contiguous pivot points place then cooperates spring 23 1 ends to support the internal face that ends at joint piece 2, the other end supports and ends positioning key 21, and reaches start rotatable, that reply.

One end of this blocking key 22 is provided with hook part 26 and lower hook part 27, and the other end is provided with installation portion 28, and this installation portion 28 can be made into the inverted T-shaped structure.So this installation portion 28 is installed in the vertical pole 32 and is articulated, and make on it hook part 26 protrude vertical poles 32 with lower hook part 27, and the protruding grain 25 of the buckle of corresponding positioning key 21.

Consult Fig. 6 to Fig. 7, another improvement of the present utility model partly is on the surface of two vertical poles 31 of this back of the body bar group 3 and 32, be provided with locating piece 36 as the medial surface correspondence, and offer knock hole 360 on the surface of each locating piece 36, be provided with two buckle keys 37 on the top of scissors bar 33, a side of each buckle key 37 forms hook

part

370, and 37 on two buckle keys are provided with connecting band 38, and cooperate suitable ring set 39 to be set on vertical pole 31 and 32, make each buckle key 37 can be along vertical pole 31 and 32 slippages.

Consult shown in Figure 8ly, another improvement of the present utility model partly is that these movable block 52 inboards of sitting bar 51 front ends convex with flange 54, and these vertical rod 53 1 ends just locate below this flange 54 position, and can lean on mutually with this flange 54.

When the user launches perambulator to use, consult illustrated in figures 1 and 2, the blocking recess 24 of this positioning key 21 is just to locating point 120 that should stock 12 surfaces, and can borrow wall and this locating point 120 to form the blocking shape, so want 2 of stock 12 and joint pieces to form fixing location shape, add the fixedly relative position of other members when perambulator launches, cause the expansion that perambulator can be stable to be used; When perambulator launches to use, consult Fig. 6 and Fig. 7, also hook is in the knock hole 360 of this locating piece 36 in the hook part 370 of this buckle key 37, and the scissors bar 33 of this back of the body bar portion 3 promptly presents the stationary positioned shape whereby.

In the time will folding perambulator, consult shown in Figure 3, the user can partly be pulled the positioning key 21 that protrudes joint piece 2, make the other end of positioning key 21 do cw commentaries on classics (direction as shown), the protruding grain of this buckle this moment 25 is promptly because of the design of dip plane 253 the placing restrictions on of hook part 26 on this of being dashed forward, buckle breach 251 was combined with going up hook part 26 hooks, cause no longer pop into position of positioning key 21, promptly this positioning key 21 separates with locating point 120 really.Consult Fig. 6 and shown in Figure 7 again, the application of force acts on this connecting band 38 again, so that the knock hole 360 of locating piece 36 can be thrown off in the hook part 370 of connecting band 38 2 ends institute bonded assembly buckle key 37, thus, composition is from shape completely in blocking position, two places designed on the perambulator of the present utility model, and the user can carry out the folding of perambulator.

Consult Fig. 3, Fig. 4 and shown in Figure 6, when perambulator was folded, this joint piece 2 can be moved upward along stock 12, and the scissors bar 33 of back of the body bar group 3 a little serves as spool with the pole of two intersections with being pivoted of center and closes.

In the above process that moves, this stock 12 becomes parallel shape gradually with vertical pole 32, so protruding grain 25 of the buckle of originally mutual blocking and last hook part 26 are along with the variation that folds angle, the two can separate automatically, and when folding to pre-sizing, corresponding again another locating point 121 of the blocking recess 24 of these positioning key 21 tops is the blocking shape, in a single day so whole folding promptly is in conjunction with shape nonvoluntary unclamping.

Consult Fig. 8 and shown in Figure 9, in the process that perambulator folds, this vertical rod 53 is also rotated thereupon, and the one end offsets because of the flange 54 with these movable block 52 inboards, so will together promote this movable block 52 in vertical rod 53 rotating process, it is lifted, and with sit bar 51 and be nearly linearity, so when perambulator folded, the front end of this movable block 52 did not have and falls within other bar group structures.

Consult shown in Figure 5, in the time will launching the perambulator use, the user can pull positioning key 21, the blocking recess 24 of its top is broken away from locating point 121, and the lower hook part 27 of this blocking key 22 combines with following buckle notch 252 buckles of buckle salient point 25, put back to the application of force again even make, this positioning key 21 is not also replied and locating point 121 blockings, in the process of launching, this positioning key 21 can separate because of the angle of launching with blocking key 22, make after launching fully, this positioning key 21 and locating point 120 blockings (as shown in Figure 2), and buckle key 37 combines (as shown in Figure 6) with locating piece 36.

Design of the present utility model, in joint piece 2, be provided with the combination of positioning key 21, blocking key 22 and spring 23, and design has cooresponding blocking structure on positioning key 21 and blocking key 22, cause when operation the folding or launch of perambulator, as long as can needn't push again after pulling positioning key 21, this positioning key 21 still really with original blocking position separating, its not only structure simplify, also cooresponding easy on operational motion.

The design of buckle key 37 of the present utility model and locating piece 36, increased by one group of good safety device for perambulator undoubtedly, no matter be not to use the careless false touch positioning key 21 of person, or when go-cart is moved, the scissors bar 33 of bottom bar group 4 or back of the body bar group 3 is collided, back of the body bar group 3 is folds shape, therefore the child is sitting on the design's the perambulator, be subjected to good safety control exactly, it is not only not seen before that this kind has the baby carriage structure of safety device, and the safety during use is much better than common structure again.

Movable block 52 upper flanges design of the present utility model, utilize the rotation of each member when folding fully, make it present best fit angle to drive this movable block 52, carrying out in order to folding, so make the operator needn't stoop waist again and go predetermined angle is arrived in its switching, its operation is more convenient.

In sum, structure of the present utility model is simplified, and launches and fold easy and simple to handle, and the more important thing is to have unprecedented safety, and the child can be sitting on the perambulator safety and steady.

Claims

1, a kind of Foldable baby carriage structure, comprise the brace group, joint piece, back of the body bar group, bottom bar group and side lever group, wherein this brace group is by oblique apportion two sides of two stocks, the top of each stock respectively is formed with handle, the stopper that midway location is provided with Jiong shape connects two stocks, the bottom of each stock then is provided with wheel, this back of the body bar group is the back side that two vertical pole branches are located at stock, there is joint piece to connect therebetween, connect and be provided with the scissors bar between two vertical poles, the bottom of each vertical pole respectively is provided with wheel, and this bottom bar group is that two bottom bars are crossed as scissors, the end of each bottom bar is connected with stock and vertical pole respectively, each side lever group is that a bar is connected between stock and the vertical pole, and this bar position is arranged with movable block on the end position at stock place, is provided with vertical rod between movable block and Jiong shape stopper, and an end of vertical rod is articulated in the inboard of movable block, it is characterized in that:

Be provided with positioning key, blocking key and spring in this joint piece;

2, Foldable baby carriage structure as claimed in claim 1 is characterized in that: the protruding grain of described buckle two sides are provided with the dip plane, and are provided with upper and lower blocking recess in the end of dip plane.

3, Foldable baby carriage structure as claimed in claim 1, it is characterized in that: the other end of described blocking key forms installation portion, and this installation portion is installed in the vertical pole articulated.

4, Foldable baby carriage structure as claimed in claim 1 is characterized in that: described installation portion can be made into the inverted T-shaped structure.

5, Foldable baby carriage structure as claimed in claim 1, it is characterized in that: on the surface of two vertical poles of this back of the body bar group, correspondence is provided with locating piece, offer knock hole on the surface of each locating piece, be provided with two buckle keys on the top of scissors bar, one side type of each buckle key has the hook part, and when perambulator launched, the hook part of this buckle key can be hooked in the knock hole of locating piece.

5, Foldable baby carriage structure as claimed in claim 5 is characterized in that: can be provided with connecting band between this two buckles key.

7, Foldable baby carriage structure as claimed in claim 5 is characterized in that: can cooperate suitable ring set to be set on the vertical pole on this buckle key, make each buckle key can be along the vertical pole slippage.

8, Foldable baby carriage structure as claimed in claim 5 is characterized in that: the medial surface that this locating piece system is provided with vertical pole in correspondence with each other.

9, Foldable baby carriage structure as claimed in claim 1 is characterized in that: the movable block inboard of sitting the bar front end of this side lever group convexes with flange, and this vertical rod one end just position is located below this flange, and offsets with this flange.