CN201520324U - Baby carriage folding joint - Google Patents

Abstract

The utility model provides a baby carriage folding joint, which comprises a joint mechanism and a control mechanism, wherein the joint mechanism is provided with an upper and a lower carriage joints and a rear wheel carriage joint which are respectively connected with an upper and a lower carriages and a rear wheel carriage, the outsides of the carriages are respectively provided with notches which can be arranged in the same line, a gear set is hidden in the internal portion, the control mechanism is provided with a slide block capable of extending to conduct displacement, a connecting rod set is used to drive anther stopper block capable of extending to conduct displacement, the notches of each carriage joint can be block-drawn or separated, thereby leading carriages to unfold or fold. By the above combination, when the carriages are unfolded or folded, the baby carriage folding joint has the advantages of synchronously consistent movements, automatic locking when in unfolding and simple and quick operation.

Description

Perambulator folds the joint

[technical field]

The utility model folds the joint relevant for a kind of perambulator, refers to that especially a kind of operation that folds or launch is comparatively easy fast, and has the structure of second safety lock.

[background technology]

Known stroller frame is link design mostly, and not only many, the complex structure of part, and point of contact is also many, causes easily loosely organizedly easily to rock, and then makes vehicle frame when folding or launch, and comparatively trouble inconvenience of operation obviously remains to be improved.

[utility model content]

The purpose of this utility model is to provide a kind of perambulator to fold the joint, so that the operation that folds or launch is comparatively easy and quick; And a kind of second safety lock that has is provided, makes safer.

A kind of perambulator of the utility model folds the joint, comprise: an articulation mechanism, have one respectively with upper and lower vehicle frame and trailing wheel vehicle frame bonded assembly upper and lower vehicle frame joint and trailing wheel vehicle frame joint, also respectively having one can be arranged into collinear breach in these outsides, vehicle frame joint, and inside is then hidden and is provided with a gear cluster; And a control mechanism, have the slide block of a scalable displacement,, make with the breach clip in each vehicle frame joint or separate to drive the block of another scalable displacement by a linkage rod group, and can make vehicle frame launch or fold; Combination by this launches vehicle frame or when folding, action links up synchronously, and can automatically lock when launching, with realize easy and simple to handle fast.

Wherein, this gear cluster can comprise: one is located at down first toothrow in vehicle frame joint, and one is located at second toothrow in vehicle frame joint, and an off-centre is located at the linked gear in trailing wheel vehicle frame joint.

Wherein, this control mechanism can be provided with a handle that links with slide block.

Wherein, the linkage rod group of this control mechanism can comprise: a pull bar that links with slide block, and a driving lever that articulates with extension bar.

Wherein, the block of this control mechanism upper end can have a clamping rod.

Wherein, this control mechanism can comprise:

One permanent seat is located at trailing wheel vehicle frame joint rear side and bottom;

One slide block is located at permanent seat rear side end inside, and its inner also Tibetan is provided with elastic parts;

The leader is located at the permanent seat rear side and links with the slide block top;

One pull bar, upper end have an elongated slot, are hubbed at the slide block bottom by a set pin;

One block is located at the permanent seat front interior, and its inner also Tibetan is provided with elastic parts, and the upper end has a clamping rod, and the centre has a backing pin; And

One driving lever, an end is hubbed on the pull bar bottom, and middle the pivot joint by a pin rod located, and the other end then is butted on the backing pin upper end.

Wherein, this permanent seat outside can be provided with a safety lock, can fasten block.

A kind of perambulator of the utility model folds the joint, and its advantage and effect are:

1. when perambulator folds or launches, action synchronously and link up, though the user by where the application of force, all can easily fold or launch, obviously quite easy and quick in operation.

2. can automatically lock when vehicle frame launches, and the design of second safety lock is still arranged, avoid neglectful mistake, the situation that causes returning the vehicle to the garage and knock off takes place.

3. when vehicle frame folded, handle 53 can automatically reset, and except the integraty that can keep outward appearance, and can avoid being clashed into and the phenomenon damaged.

[description of drawings]

Figure 1 shows that the utility model is installed in the block diagram on the perambulator.

Figure 2 shows that the block diagram of the utility model rear side.

Figure 3 shows that three-dimensional exploded view of the present utility model ().

Figure 4 shows that three-dimensional exploded view of the present utility model (two).

Figure 5 shows that axial assembled sectional view of the present utility model.

Figure 6 shows that of the present utility model radially to assembled sectional view.

Figure 7 shows that the lateral plan when the utility model vehicle frame launches.

Figure 8 shows that the cross-sectional schematic () of articulation mechanism when the utility model launches.

Figure 9 shows that the cross-sectional schematic (two) of articulation mechanism when the utility model launches.

Figure 10 shows that the axial cross-sectional schematic () of control mechanism when the utility model folds.

Figure 11 shows that the axial cross-sectional schematic (two) of control mechanism when the utility model folds.

Figure 12 shows that the radially cross-sectional schematic of control mechanism when the utility model folds.

Figure 13 shows that the cross-sectional schematic () of articulation mechanism when the utility model folds.

Figure 14 shows that the cross-sectional schematic (two) of articulation mechanism when the utility model folds.

Figure 15 shows that the lateral plan when the utility model folds.

Figure 16 shows that the cross-sectional schematic of control mechanism when the utility model launches.

Concrete label is as follows among the figure:

Vehicle frame under the 100---articulation mechanism 1---

10,20,30---vehicle frame joint 11---front-wheel

12,22,32---breach 13,23--- groove 14,24---toothrow

The last vehicle frame 21---of 2---handle tube 3---trailing wheel vehicle frame

31---trailing wheel 33---spiral shell spare 4---linked gear

200---control setup 50---permanent seat 501---opening

51--- slide block 52,57---elastic parts 53---handle

54---pull bar 541---chute 542---set pin

55---driving lever 551---pin rod 56---block

561---alcove 58---clamping rod 59---backing pin

6---pulls button 61---and pulls sheet 62---button

[specific embodiment]

Below in conjunction with drawings and Examples, the technical solution of the utility model is described further.

Please consult simultaneously shown in Fig. 1～6, the utility model comprises: an articulation mechanism 100 and a control mechanism 200, these mechanisms lay respectively at the vehicle frame both end sides, for ease of understanding, below all with wherein mechanism explanation.Articulation mechanism 100 comprises: once vehicle frame 1, and the bottom is connected with two front-wheels 11, the affixed vehicle frame joint 10 that is provided with, upper end, and outboard peripheries lower end, joint has a breach 12, and inner top side is tool one arc groove 13 then, and groove 13 upper ends also have one first toothrow 14; Vehicle frame 2 on one, and the upper end connects the leader and manages 21, and the bottom is affixed to be provided with vehicle frame joint 20 on, and outboard peripheries lower end, joint also has a breach 22, and inner top side also has an arc groove 23, and groove 23 bottoms also have one second toothrow 24; One trailing wheel vehicle frame 3, bottom are connected with two trailing wheels 31, the affixed trailing wheel vehicle frame joint 30 that is provided with, upper end, and outboard peripheries lower end, joint also has a breach 32; And a linked gear 4, off-centre is located at a side in this trailing wheel vehicle frame joint 30, and is positioned among the arc groove 13,23 in vehicle frame joint up and down, and can be respectively and first, second toothrow 14,24 bridle joints; Above-mentioned upper and lower vehicle frame joint 10,20 and trailing wheel vehicle frame joint 30 are by fixedly be spirally connected a combination locking of spiral shell spare 33, make down vehicle frame joint 10 be positioned at the centre in vehicle frame joint 20 and trailing wheel vehicle frame joint 30, and its breach 12,22,32 also and be listed in same directly onlinely, and first, second toothrow 14,24 and linked gear 4 then constitute a gear cluster.

Control mechanism 200 comprises: a permanent seat 50, be located at the opposite side (rear side) and the bottom in this trailing wheel vehicle frame joint 30, and each tool one room of front and back, front end room upper end also has an opening 501; One slide block 51 is located in these permanent seat 50 rear side end rooms, and inner the Tibetan is provided with elastic parts 52, makes slide block 51 perseverances have downward strength, to form the elastic slide block of a scalable displacement; The leader 53, are the circular arc inner concavity, are located at this permanent seat 50 rear sides, and are connected with slide block 51 tops; One pull bar 54, upper end have a microscler chute 541, to be hubbed at slide block 51 bottoms by a set pin 542; One block 56, be located in the permanent seat 50 front end rooms, the inner Tibetan is provided with an elastic parts 57, make block 56 perseverances have a strength that makes progress, to form the flexible block of a scalable displacement, block 56 upper ends also have a clamping rod 58, can or separate with breach 12,22,32 clips in upper and lower vehicle frame joint and trailing wheel vehicle frame joint, the front side has an alcove 561 in the middle of the block 56, and rear side then is provided with a backing pin 59; Reach a driving lever 55, one ends and be hubbed at pull bar 54 bottoms, the middle pivot joint by a pin rod 551 located, and the other end then is butted on a backing pin 59 upper ends.

In addition, the utility model can be pivoted with one in said fixing seat 50 outsides and pull button 6, and this is pulled button 6 upper ends and has a sheet of pulling 61 and a button 62 respectively, and this button 62 can buckle into the opening 501 of permanent seat and reach alcove 561 in block body, so that block body 56 is fixing, and form one second safety lock.

According to above-mentioned tectonic association, when stroller frame is launched, angle angle between following vehicle frame 1 and the trailing wheel vehicle frame 3 is about 78 degree, angle angle between last vehicle frame 2 and the trailing wheel vehicle frame 3 then is about 102 degree, as shown in Figure 7, at this moment, the clamping rod 58 of block 56 upper ends of control mechanism 200 is the breach 12 that snap in articulation mechanism 100 each vehicle frame joint, 22, in 32, to form the first road clip, linked gear 4 is that bridle joint is positioned at first toothrow, 14 left sides, vehicle frame joint and second toothrow, 24 right sides, last vehicle frame joint down respectively, and gear-stopping bar 41 is to be blocked in down vehicle frame articular fossa groove 13 left sides, the button 62 of pulling button then is buckled in the alcove 561 of block (promptly fastening block 56), to form the second road safety lock, as Fig. 5,6,8, shown in 9.

As when desiring to fold, be outwards to pull open earlier button 6, make button 62 break away from block alcove 561,53 pullings that pull handle again move on the slide blocks 51, pressing down block 56 via pull bar 54 and driving lever 55 and backing pin 59 moves down, and then make the breach 12 in clamping rod 58 and each joint, 22,32 break away from, as Figure 10, shown in 12, and then carrying handle 53 upwards, make, following vehicle frame 1,2 by itself gravity and receive under trailing wheel vehicle frame 3 directions automatically, with by linked gear 4 and first, second toothrow 14, the 24 gear cluster transmissions that constituted, and synchronously on the interlock, following vehicle frame 1,2 past trailing wheel vehicle frames 3 are drawn close and are folded, as Figure 13,14, shown in 15, fold to finish vehicle frame.

When vehicle frame folds, as long as release handle 53, slide block 51 can be by the response force of elastic parts 52 and is moved down automatically immediately and reset, and handle 53 is also moved down synchronously reset, because of also moving down thereupon, pull bar 54 resets simultaneously, and but interlock driving lever 55 makes and no longer presses down block 56, broken away from because of clamping rod 58 and each joint breach 12,22,32 and do not aligned up and down this moment, so block 56 still is stuck in the below in each joint 1,2,3, as shown in figure 11, so not only can keep the integraty of vehicle frame outward appearance, and can avoid being subjected to external force (thing) bump and damage.

When launching again as desire, then slightly the application of force will go up, following vehicle frame 1,2 upwards and outwards launch, make it away from trailing wheel vehicle frame 3, but with by the transmission of gear cluster and synchronous expansion, make each vehicle frame joint breach 12,22,32 align clamping rod 58, block 56 nature can be by the response force of elastic parts 57 and move on automatically immediately and reset, drive the breach 12 that clamping rod 58 snaps in each vehicle frame joint, 22, in 32, as shown in figure 16, make, following vehicle frame joint 1,2 with trailing wheel vehicle frame joint 3 can launch simultaneously the location, shown in Fig. 5～9, and then pull the button 6, make its button 62 fasten block 56, as shown in Figure 5.Thereby can avoid neglectful mistake, the situation that causes returning the vehicle to the garage and knock off takes place.

Learn according to above-mentioned structure and operation, articulation mechanism 100 of the present utility model mainly is to have one respectively with last, following vehicle frame 1,2 and trailing wheel vehicle frame 3 bonded assemblys on, following vehicle frame joint 10,20 with trailing wheel vehicle frame joint 30, and these solid edge in outside, vehicle frame joint also respectively have can be arranged into collinear breach 12,22,32, inside is then hidden and is provided with a gear cluster, and linked gear 4 and first, second toothrow 14,24 pitch circle is than (diameter ratio) and ratio of number of teeth, and can do necessary setting, so that the synchronous interlock of vehicle frame energy when folding or launch, and can keep identical angle ratio, make three vehicle frame joints 10 when launching or folding, 20,30 all can keep its relevant position, when especially launching, not only can automatically lock, and make trailing wheel vehicle frame 3 with last, following vehicle frame 1, angle angle between 2 is respectively 102 degree and 78 degree, as shown in Figure 7.

And control mechanism 200, the slide block 51 and block 56 that then mainly have a scalable displacement, this slide block 51 is to move on can be by drawing on the handle 53, relend the linkage rod group that is constituted by pull bar 54 and driving lever 55 and can drive block 56 and move down, make the slide block 21 and the displacement of block 56 be reverse, and then the answer tension force by elastic parts 52,57 resets respectively, these block 56 upper ends also have a clamping rod 58, make can with three vehicle frame joints in the articulation mechanism 100 breach 12,22,32, produce the conversion of clip or separation, and can make vehicle frame launch or fold.

Claims (7)

1. a perambulator folds the joint, is characterised in that: this folds the joint and comprises:

One articulation mechanism, have one respectively with upper and lower vehicle frame and trailing wheel vehicle frame bonded assembly upper and lower vehicle frame joint and trailing wheel vehicle frame joint, the outside, these vehicle frame joints also respectively has one and can be arranged into collinear breach, inside is then hidden and is provided with a gear cluster; And

One control mechanism has the slide block of a scalable displacement,, makes with the breach clip in each vehicle frame joint or separates to drive the block of another scalable displacement by a linkage rod group, and can make vehicle frame launch or fold.

2. perambulator according to claim 1 folds the joint, is characterised in that: this gear cluster comprises: one is located at down first toothrow in vehicle frame joint, and one is located at second toothrow in vehicle frame joint, and an off-centre is located at the linked gear in trailing wheel vehicle frame joint.

3. perambulator according to claim 1 folds the joint, is characterised in that: this control mechanism is provided with a handle that links with slide block.

4. perambulator according to claim 1 folds the joint, is characterised in that: this control mechanism linkage rod group comprises: one links pull bar with slide block, and a driving lever that articulates with extension bar.

5. perambulator according to claim 1 folds the joint, is characterised in that: the block upper end of this control mechanism has a clamping rod.

6. perambulator according to claim 1 folds the joint, is characterised in that: this control mechanism comprises:

One permanent seat is located at the rear side and the bottom in trailing wheel vehicle frame joint;

One slide block is located at permanent seat rear side end inside, and its inner also Tibetan is provided with elastic parts;

The leader is located at the permanent seat rear side and links with the slide block top;

One pull bar, upper end have an elongated slot, are hubbed at the slide block bottom by a set pin;

One block is located at the permanent seat front interior, and its inner also Tibetan is provided with elastic parts, and the upper end has a clamping rod, and the centre has a backing pin; And

One driving lever, an end is hubbed on the pull bar bottom, and middle the pivot joint by a pin rod located, and the other end then is butted on the backing pin upper end.

7. perambulator according to claim 6 folds the joint, is characterised in that: this permanent seat outside is provided with a safety lock that can fasten block.

Images