CN104691597A - Folding mechanism and baby carriage with same - Google Patents

Abstract

The invention provides a folding mechanism, wherein the folding mechanism is arranged between the other end of a first connecting piece and the other end of a second connecting piece of a baby carriage, the mutual folding of the first connecting piece and the second connecting piece is forbidden or allowed, the folding mechanism comprises an operation piece, a clamping seat and a clamping piece, the clamping seat is installed on the first connecting piece and is further pivoted with the second connecting piece, the clamping piece is arranged on the clamping seat and/or the first connecting piece in a slide manner and is selectively clamped with the second connecting piece, the operation piece is arranged on the clamping seat or the first connecting piece and drives the clamping piece to release the clamping with the second connecting piece, and when the operation piece drives the clamping piece to release the clamping with the second connecting piece, the operation piece drives the first connecting piece and the second connecting piece through the clamping seat to mutually fold, so as to implement pivoting and folding of a stand bar and a supporting leg. Therefore, the folding mechanism facilitates the folding operation of the baby carriage and has the advantage of simple structure. The invention further provides the baby carriage with the folding mechanism.

Description

Retracting mechanism and there is the perambulator of this retracting mechanism

Technical field

The present invention relates to baby carrying vehicle field, particularly relate to a kind of retracting mechanism and there is the perambulator of this retracting mechanism.

Background technology

Along with the continuous progress of society, economic development, and the improving constantly, for people provide the more and more abundanter consumables of science and technology, thus be that the living standard improving people creates extremely excellent material conditions, and infant carrier device is exactly the one in many consumables.

As everyone knows; the style of infant carrier device is on the market various; for example perambulator; for the father and mother that there is baby in family, when carrying baby and going out to go window-shopping or take a walk, usually hand can be replaced to embrace with perambulator; to alleviate the burden of adult; thus provide great convenience for the head of a family looked after children, therefore, make perambulator more and more be subject to the favor of people.

But, traditional perambulator can not fold, make the storage of perambulator very inconvenient, particularly some perambulator is huger, therefore floor area can be larger, especially in the indoor that the area of residence is smaller, the indoor activity that a large amount of areas often has influence on people is taken, suitable inconvenience; On the other hand, perambulator can not fold the transport that also can have influence on perambulator.

Therefore, be necessary that providing a kind of can overcome the retracting mechanism of above-mentioned defect and have the perambulator of this retracting mechanism.

Summary of the invention

One of the present invention object be to provide a kind of be convenient to perambulator fold operation and the simple retracting mechanism of structure.

Another object of the present invention is to provide one to be convenient to fold operation and the simple perambulator of structure.

For achieving the above object, the invention provides a kind of retracting mechanism, be applicable to baby carriage frame, described baby carriage frame comprises the first attaching parts, second attaching parts and can the leg of pivotable folding and spike mutually, one end of described first attaching parts is articulated in the one in described leg and spike, one end of described second attaching parts is articulated in the another one in described leg and spike, forbid or allow mutually folding of described first attaching parts and the second attaching parts between the other end that described retracting mechanism is located at described first attaching parts and the second attaching parts, wherein, described retracting mechanism comprises operating parts, device for mounting and engagement piece, described device for mounting is arranged on described first attaching parts, and described device for mounting also with described second attaching parts pivot joint, described engagement piece is slidably located at described device for mounting and/or the first attaching parts also selectively fastens with described second attaching parts, described operating parts is located at described device for mounting or the first attaching parts and can be ordered about the engaging of the release of described engagement piece and described second attaching parts, when described operating parts orders about the engaging of described engagement piece release to described second attaching parts, then described operating parts drives described first attaching parts and the second attaching parts mutually to fold and realize the pivotable folding between described leg and spike by described device for mounting.

Preferably, one end of described operating parts is articulated in described device for mounting, the other end of described operating parts stretches out described device for mounting and with described engagement piece in the setting linked, rotates described operating parts and described engagement piece then can be driven to depart from the engaging with described second attaching parts.

Preferably, described engagement piece extends a pushed part along hindering the direction of described operating parts pivotable towards described operating parts place, described operating parts has the pushing part coordinating pushing tow with described pushed part, and the described operating parts of rotation is coordinated by described pushing part and pushed part orders about the slip of described engagement piece.

Preferably, described pushing part is a tilted slotted hole, and described pushed part is a projection, and described projection is stretching in described tilted slotted hole of free-running fit.

Preferably, described engagement piece in being slidably built in described first attaching parts, described pushed part also in free-running fit through described first attaching parts.

Preferably, described operating parts is articulated in described device for mounting, one end of described operating parts is stretched into described device for mounting and is the setting linked with described engagement piece, the described operating parts other end stretches out described device for mounting, the pivoting point of described operating parts, between the two ends of described operating parts, rotates described operating parts and described engagement piece then can be driven to depart from the engaging with described second attaching parts.

Preferably, described engagement piece extends a pushed part along hindering the direction of described operating parts pivotable towards described operating parts place, described operating parts has the pushing part coordinating pushing tow with described pushed part, and the described operating parts of rotation is coordinated by described pushing part and pushed part orders about the slip of described engagement piece.

Preferably, described pushing part is a tilted slotted hole, and described pushed part is a projection, and described projection is stretching in described tilted slotted hole of free-running fit.

Preferably, described engagement piece in being slidably arranged at described device for mounting, described pushed part also in free-running fit through described device for mounting.

Preferably, described retracting mechanism also comprises one first elastic element, and described first elastic element is connected between described engagement piece and described device for mounting or the first attaching parts.

Preferably, described retracting mechanism also comprises a stop part, and described stop part is connected on described device for mounting, and one end of described first elastic element is connected to described engagement piece, and the other end of described first elastic element is connected to described stop part.

Preferably, described stop part is also connected to described first attaching parts.

Preferably, the one in described engagement piece and the second attaching parts has the first engagement section, and what the another one in described engagement piece and the second attaching parts was corresponding is provided with the second engagement section with described first engagement section snap fit.

Preferably, described first engagement section is stuck in described second engagement section, then described first attaching parts and the second attaching parts docking linearly.

Preferably, described first engagement section is that an engaging is convex, and the direction of slip of engagement piece has the first ramp structure described in described engaging convex edge, described second attaching parts has in the face of the end of described engagement piece the second ramp structure matched with described first ramp structure, described second engagement section is an engaging slotted eye, and described engaging slotted eye runs through the end of described second attaching parts in the face of described engagement piece.

Preferably, described first engagement section is a clamping block, and described clamping block has the first ramp structure along the direction of slip of described engagement piece; Described second attaching parts turns in the process of the position that described second engagement section and described first engagement section are fastened, and described second attaching parts slides and contacts at described first ramp structure to order about the slip of described engagement piece; Described second engagement section is one in the engagement groove of L font structure.

Preferably, described retracting mechanism also comprises a safety lock assembly, and described safety lock assembly locking forbids that described operating parts pivotable or release the lock allow described operating parts pivotable.

Preferably, described safety lock assembly comprises locking piece and the second elastic element, described locking piece is articulated in described device for mounting, and the pivoting centre line of described locking piece is perpendicular to the pivoting centre line of described operating parts, one end of described locking piece has one the 3rd engagement section, described second elastic element is connected to the other end of described device for mounting and described locking piece, described locking piece is exposed to the outside of described device for mounting away from the side of described second elastic element, the pivoting point of described locking piece is between the two ends of described locking piece, described operating parts offers the 4th engagement section engaged for described 3rd engagement section.

Preferably, described security component also comprises a release the lock and maintains part and one the 3rd elastic element, what described release the lock maintenance part slided is arranged at described device for mounting, one end that described release the lock maintains part has the 5th engagement section that locking piece described in one day extends to form, described locking piece has one with described 5th engagement section near one end of described 5th engagement section be the 6th engagement section of snap fit, and described 3rd elastic element is connected to described release the lock and maintains and to order about described release the lock between the other end of part and described device for mounting and maintain that part is permanent has the trend moving to described locking piece.

Preferably, one end of described second attaching parts and described device for mounting pivot joint is built in described device for mounting, and described device for mounting offers dodges chamber for described second attaching parts pivotable.

Preferably, described operating parts comprises and the articulated section of described device for mounting pivot joint and the operating portion that is arranged on described articulated section, and described operating portion is arranged along the pivoting centre line direction of described operating parts.

In order to realize above-mentioned object, perambulator of the present invention comprises baby carriage frame, described baby carriage frame comprises the first attaching parts, the second attaching parts and can pivotable is folding mutually leg and spike, one end of described first attaching parts is articulated in the one in described leg and spike, one end of described second attaching parts is articulated in the another one in described leg and spike, wherein, described perambulator also comprises aforesaid retracting mechanism.

Preferably, described baby carriage frame also comprises driver and underframe, and described driver is in turn articulated on described leg and spike, and described driver is positioned at the top of described retracting mechanism; Described underframe is articulated between described spike and leg, and described underframe is positioned at the below of described driver.

Device for mounting due to retracting mechanism of the present invention is arranged on the first attaching parts, and device for mounting also with the second attaching parts pivot joint, engagement piece is slidably located at device for mounting and/or the first attaching parts and is selectively fastened with the second attaching parts, and operating parts is located at device for mounting or the first attaching parts and can be ordered about the engaging of engagement piece release and the second attaching parts; When operating parts orders about the engaging of engagement piece release to the second attaching parts, then operating parts drives the first attaching parts and the second attaching parts mutually to fold and realize the pivotable folding between leg and spike by device for mounting.Therefore only need singlehanded rotating operation part to order about engagement piece release and the engaging of the second attaching parts, again operating parts is upwards mentioned, can realize being folded by single hand baby carriage frame, therefore, retracting mechanism of the present invention is convenient to folding operation and having the simple advantage of structure of baby carriage frame.Because perambulator of the present invention has above-mentioned retracting mechanism, therefore perambulator of the present invention has and folds the easy to operate and simple advantage of structure.

Accompanying drawing explanation

Fig. 1 is that the baby carriage frame of the perambulator of first embodiment of the invention is in deployed condition and the combination schematic perspective view that fastens of engagement piece and the second attaching parts.

Fig. 2 is the combination schematic perspective view that the engagement piece of the retracting mechanism of first embodiment of the invention and the second attaching parts fasten.

Fig. 3 is the perspective cross section schematic diagram that the engagement piece of the retracting mechanism of first embodiment of the invention and the second attaching parts fasten.

Fig. 4 is the perspective cross section schematic diagram after the retracting mechanism dismounting engagement piece of first embodiment of the invention.

Fig. 5 is that the engagement piece of the retracting mechanism of first embodiment of the invention departs from the perspective cross section schematic diagram with the engaging of the second attaching parts.

Fig. 6 is the baby carriage frame of the baby carriage frame of first embodiment of the invention combination schematic perspective view when being in collapse state.

Fig. 7 is that the baby carriage frame of the perambulator of second embodiment of the invention is in deployed condition and the combination schematic perspective view that fastens of engagement piece and the second attaching parts.

Fig. 8 is the enlarged drawing of F part in Fig. 7.

Fig. 9 is the combination schematic perspective view after the retracting mechanism of second embodiment of the invention removes the first housing.

Figure 10 is the combination schematic perspective view after the retracting mechanism of second embodiment of the invention removes the first housing and the second housing.

Figure 11 is the exploded perspective schematic diagram of Figure 10.

Figure 12 is the combination schematic perspective view that the baby carriage frame of the perambulator of second embodiment of the invention is in a certain state in operating process that folds.

Figure 13 is the enlarged drawing of G part in Figure 12.

Detailed description of the invention

Below in conjunction with accompanying drawing and preferred embodiment, the invention will be further described, but embodiments of the present invention are not limited thereto.

Refer to Fig. 1, illustrate the baby carriage frame 100 of the perambulator (not shown) of first embodiment of the invention, the baby carriage frame 100 of the perambulator of the present embodiment comprises retracting mechanism 10, first attaching parts 60, second attaching parts 70, driver 20, underframe 50 and in can the leg 40 that folds of pivotable and spike 30 mutually, and the retracting mechanism 10 of the present embodiment is located on the baby carriage frame 100 of the perambulator of the present embodiment.Wherein, one end of first attaching parts 60 is articulated in the one in leg 40 and spike 30, one end of second attaching parts 70 is articulated in the another one in leg 40 and spike 30, specifically, in the present embodiment, first attaching parts 60 is articulated in leg 40 and forms pivotable contact P5, second attaching parts 70 is articulated in spike 30 and forms pivotable contact P6, to make the space layout of the first attaching parts 60 and the second attaching parts 70 more rationally compact, will be understood that, in other embodiments, first attaching parts 60 can be articulated in spike 30 according to the user demand of reality, and the second attaching parts 70 can be articulated in leg 40 accordingly, therefore be not described in detail in this, driver 20 is in turn articulated on leg 40 and spike 30, and driver 20 is positioned at the top of the retracting mechanism 10 of the present embodiment, underframe 50 is articulated between spike 30 and leg 40, and underframe 50 is positioned at the below of driver 20, forbid or allow mutually folding of the first attaching parts 60 and the second attaching parts 70 between the other end that the retracting mechanism 10 of the present embodiment is located at the first attaching parts 60 and the second attaching parts 70.Particularly, in the present embodiment, driver 20 extends a junction 21 towards spike 30, the lower end of this connecting portion 21 and spike 30 pivot joint and form pivotable contact P1, so that the pivot joint of driver 20 and spike 30, and provide enough spaces for the pivotable between driver 20 and spike 30; The upper end of leg 40 is articulated in the lower end of driver 20 and forms pivotable contact P2, and in the present embodiment, leg 40 also has a load bearing seat 41 fixed for the carrier (not shown) grafting of the perambulator of the present embodiment near one end of pivotable contact P2, to facilitate the installing/dismounting of carrier; And underframe 50 setting in tilted upward, and the upper end of underframe 50 and leg 40 pivot joint and form pivotable contact P3, the lower end of underframe 50 and spike 30 pivot joint and form pivotable contact P4.When being in complete deployed condition at baby carriage frame 100, pivotable contact P2 is along short transverse between pivotable contact P1 and P3, and pivotable contact P2 is in the horizontal direction also between pivotable contact P1 and P3; Pivotable contact P3 is along short transverse between pivotable contact P4 and pivotable contact P1, and pivotable contact P3 is positioned at the front of pivotable contact P1 and pivotable contact P4, so that the mutual pivotable folding between driver 20, spike 30, leg 40 and underframe 50.In addition, in order to make the perambulator of the present embodiment move traveling, the spike 30 of baby carriage frame 100 and the bottom of leg 40 can also arrange rotating roller (not shown).More specifically, as follows: to refer to Fig. 1 to Fig. 5, the retracting mechanism 10 of the present embodiment comprises operating parts 11, device for mounting 12 and engagement piece 13, device for mounting 12 is arranged on the first attaching parts 60, and device for mounting 12 also with the second attaching parts 70 pivot joint, engagement piece 13 is slidably located at device for mounting 12 and/or the first attaching parts 60 also selectively fastens with the second attaching parts 70, specifically, in the present embodiment, engagement piece 13 is in being slidably built in the first attaching parts 60, more rationally compact and solid and reliable with the structure making engagement piece 13 slip arrange, will be understood that, in other embodiments, engagement piece 13 be slidably located in device for mounting 12 one or both device for mounting 12 and the first attaching parts 60 in, equally can realize engagement piece 13 selectively to fasten with the second attaching parts 70, therefore no longer repeat at this, operating parts 11 is located at device for mounting 12 or the first attaching parts 60 and can be ordered about engagement piece 13 and discharges the engaging with the second attaching parts 70, preferentially, in the present embodiment, operating parts 11 is located on device for mounting 12, make the structure of the retracting mechanism 10 of the present embodiment more rationally compact, particularly, one end of operating parts 11 is articulated in device for mounting 12, the other end of operating parts 11 stretches out device for mounting 12 and is the setting linked with engagement piece 13, rotary operating member 11 can drive engagement piece 13 to depart from the engaging with the second attaching parts 70, will be understood that, in other embodiments, operating parts 11 also can be located on the first attaching parts 60, therefore no longer repeat at this, engaging to the second attaching parts 70 is discharged when operating parts 11 orders about engagement piece 13, then operating parts 11 drives the first attaching parts 60 and the second attaching parts 70 mutually to fold and realize the pivotable folding between leg 40 and spike 30 by device for mounting 12, makes the structure of the retracting mechanism 10 of the present embodiment and the perambulator of the present embodiment very simple and folding operation is very convenient and swift.

Wherein, engagement piece 13 extends a pushed part 131 along hindering the direction of operating parts 11 pivotable towards operating parts 11 place, operating parts 11 has the pushing part 111 coordinating pushing tow with pushed part 131, the operating parts 11 rotated orders about engagement piece 13 by pushing part 111 and pushed part 131 cooperation and slides, and makes operating parts 11 can order about the slip of engagement piece 13 quickly and easily.Particularly, pushing part 111 is a tilted slotted hole, and pushed part 131 is a projection, projection be free-running fit stretch in tilted slotted hole, certainly, pushing part 111 is not limited to this with the concrete fit structure of pushed part 131, can also select flexibly according to concrete service condition.More excellent, pushed part 131 also in free-running fit through the first attaching parts 60, accordingly, the first attaching parts 60 offers the slip slotted eye 61 passed in free-running fit for pushed part 131.The slip of engagement piece 13 is arranged more reasonable and solid and reliable, and make pushed part 131 can be ordered about slip by pushing part 111 flexibly, separately, slip slotted eye 61 also serves the effect of the excessive movement of restriction pushed part 131, pushed part 131 is only moved back and forth in the scope limited, reliably safer.

Simultaneously, the retracting mechanism 10 of the present embodiment also comprises one first elastic element 14, first elastic element 14 is connected between engagement piece 13 and device for mounting 12 or the first attaching parts 60, engagement piece 13 perseverance is had move to the trend of the position fastened with the second attaching parts 70, and make operation more convenient laborsaving.Preferentially, in the present embodiment, first elastic element 14 is connected between engagement piece 13 and the first attaching parts 60, will be understood that, in other embodiments, first elastic element 14 can be connected between engagement piece 13 and device for mounting 12, and equally can realize engagement piece 13 perseverance has the trend moving to the position fastened with the second attaching parts 70, therefore is not described in detail in this.Particularly, retracting mechanism 10 also comprises a stop part 15, stop part 15 is connected on device for mounting 12, more excellently be, stop part 15 is also connected to the first attaching parts 60, makes the setting of stop part 15 more solid and reliable, and one end of the first elastic element 14 is connected to engagement piece 13, the other end of the first elastic element 14 is connected to stop part 15, and the first elastic element 14 being connected between engagement piece 13 and stop part 15 in compression.More specifically, engagement piece 13 offers a reseting cavity 132, stop part 15 is connected to one end of reseting cavity 132, and engagement piece 13 has the socket block 133 stretched in reseting cavity 132 other end, first elastic element 14 is contained in reseting cavity 132 and is socketed on socket block 133, greatly reduce the space shared by the first elastic element 14, thus make the location layout of the first elastic element 14 more rationally compact.

Moreover the one in engagement piece 13 and the second attaching parts 70 has the first engagement section 134, what the another one in engagement piece 13 and the second attaching parts 70 was corresponding is provided with the second engagement section 71 with the first engagement section 134 snap fit.When the first engagement section 134 is stuck in the second engagement section 71, then the first attaching parts 60 and the second attaching parts 70 docking linearly.In the present embodiment, the first engagement section 134 is positioned on engagement piece 13, and the second engagement section 71 is positioned on the second attaching parts 70.Particularly, first engagement section 134 is that an engaging is convex, and the direction of slip of engaging convex edge engagement piece 13 has the first ramp structure 135, second attaching parts 70 has in the face of the end of engagement piece 13 the second ramp structure 72 matched with the first ramp structure 135, specifically, in the present embodiment, second ramp structure 72 is positioned at the end of the second engagement section 71, make the placement position of the second ramp structure 72 more rationally compact, the concrete placement position of certain second ramp structure 72 is not limited to this, in various embodiments, can according to the user demand of reality flexible design, second engagement section 71 is an engaging slotted eye, and engaging slotted eye runs through the second attaching parts 70 in the face of the end of engagement piece 13.Thus make the perambulator of the present embodiment when carrying out expansion operation, without the need to again operating rotating operation part 11, only need by the pushing tow of the second ramp structure 72 to the first ramp structure 135, engagement piece 13 is moved dodge, for the second attaching parts 70 provides enough pivot spaces, and it is more smooth and easy to make the expansion of the first attaching parts 60 and the second attaching parts 70 operate, operate more simple and efficient.

Finally, the second attaching parts 70 is built in device for mounting 12 with one end of device for mounting 12 pivot joint, and device for mounting 12 offers dodges chamber 121 for the second attaching parts 70 pivotable.Make the structure of device for mounting 12 more rationally compact and be that the pivotable of the second attaching parts 70 provides enough pivot spaces, in the present embodiment, dodge the semicircular in shape structure in chamber 121, make the structure of the retracting mechanism 10 of the present embodiment more rationally compact, certainly, the concrete structure of dodging chamber 121 is not limited to this, can also according to actual user demand flexible design.Particularly, operating parts 11 comprises and the articulated section 112 of device for mounting 12 pivot joint and the operating portion 113 that is arranged on articulated section 112, and operating portion 113 is arranged along the pivoting centre line direction of operating parts 11, makes the rotating operation of operating parts 11 more convenient laborsaving.

Refer to Fig. 7 to Figure 13, illustrate the baby carriage frame 100` of the perambulator of second embodiment of the invention and be located at the retracting mechanism 10` of the second embodiment of the invention on baby carriage frame 100`, the perambulator of the present embodiment and retracting mechanism 10` and the perambulator of the first embodiment and the structure of retracting mechanism 10 substantially identical, distinctive points is:

The first, in the present embodiment, first attaching parts 60 is articulated in spike 30 and forms pivotable contact P6, second attaching parts 70 is articulated in leg 40 and forms pivotable contact P5, and in the first embodiment, first attaching parts 60 is articulated in leg 40 and forms pivotable contact P5, second attaching parts 70 is articulated in spike 30 and forms pivotable contact P6, but both all can realize the function of the mutual folding of perambulator of the present invention and expansion.

The second, in the present embodiment, device for mounting 12 comprises mount pad 122 and mutually merges the first housing 123 and the second housing 124 connected, and mount pad 122 is fixedly installed in the hollow structure that the first housing 123 of merging and connecting and the second housing 124 formed.Operating parts 11 is articulated in device for mounting 12, being specially operating parts 11 is articulated on the first housing 123 and the second housing 124, one end of operating parts 11 is stretched into device for mounting 12 and is the setting linked with engagement piece 13, operating parts 11 other end stretches out device for mounting 12, and the pivoting point of operating parts 11 is between the two ends of operating parts 11.And in a first embodiment, one end of operating parts 11 is articulated in device for mounting 12, the other end of operating parts 11 stretches out device for mounting 12, namely the position of the pivoting point of operating parts 11 is in the present embodiment different from the pivoting point position of operating parts 11 in the first embodiment, but both are operating parts 11 with engagement piece 13 in setting link, and all can realize the function that rotary operating member 11 can drive engagement piece 13 disengaging and the engaging of the second attaching parts 70.In the present embodiment, engagement piece 13 is in being slidably arranged at device for mounting 12, pushed part 131 also in free-running fit through device for mounting 12, specifically, device for mounting 12 offers the slip slotted eye 125 passed in free-running fit for pushed part 131, and in more detail, engagement piece 13 slides and is arranged at one end of mount pad 122, and the second attaching parts 70 is articulated in the other end of mount pad 122, slip slotted eye 125 is opened on mount pad 122, first housing 123 and the second housing 124.

Three, first elastic element 14 of the retracting mechanism 10` of the present embodiment is connected between engagement piece 13 and device for mounting 12, and the first elastic element 14 be different from the first embodiment is connected between engagement piece 13 and the first attaching parts 60.And the retracting mechanism 10` of the present embodiment is not provided with stop part 15, engagement piece 13 is not provided with reseting cavity 132 and socket block 133 yet.In addition, in the present embodiment, the concrete structure of the first engagement section 134 of engagement piece 13 and the second engagement section 71 of the second attaching parts 70 is also different from the concrete structure of the first engagement section 134 in the first embodiment and the second engagement section 71, and the retracting mechanism 10` of the present embodiment is omitted the second ramp structure 72 in the first embodiment and only remains the first ramp structure 135, the same can realization makes perambulator when carrying out expansion operation, without the need to again operating rotating operation part 11, only need by the second attaching parts 70 towards the end face of the first attaching parts 60 to the pushing tow of the first ramp structure 135, engagement piece 13 is moved dodge, for the second attaching parts 70 provides enough pivot spaces, and it is more smooth and easy to make the expansion of the first attaching parts 60 and the second attaching parts 70 operate, operate more simple and efficient.Namely in the present embodiment, the first engagement section 134 is a clamping block, and the first engagement section 134 has the first ramp structure 135 along the direction of slip of engagement piece 13; Second attaching parts 70 turns in the process of the position that the second engagement section 71 and the first engagement section 134 are fastened, second attaching parts 70 slides and contacts at the first ramp structure 135 and slide to order about engagement piece 13, thus provides enough pivot spaces for the pivotable of the second attaching parts 70; Second engagement section 71 is one in the engagement groove of L font structure, coordinates with good with clamping block, firm.

Four, the retracting mechanism 10` of the present embodiment also comprises a safety lock assembly 16, safety lock assembly 16 locks quiescing part 11 pivotable or release the lock allows operating parts 11 pivotable, in the retracting mechanism 10` of the present embodiment, namely add the safety measure of one locking or release the lock operating parts 11 rotation.Particularly, safety lock assembly 16 comprises locking piece 161 and the second elastic element 162, locking piece 161 is articulated in device for mounting 12, and the pivoting centre line of locking piece 161 is perpendicular to the pivoting centre line of operating parts 11, make locking piece 161 to arrange structure more rationally compact, one end of locking piece 161 has one the 3rd engagement section 161a, and operating parts 11 offers the 4th engagement section 114 engaged for the 3rd engagement section 161a, specifically, in the present embodiment, 3rd engagement section 161a is an engaging projection, and the 4th engagement section 114 corresponds to a connecting hole engaged for engaging projection, when the 3rd engagement section 161a is sticked in the 4th engagement section 114, then lock the rotation of quiescing part 11, and then the perambulator of locking the present embodiment is in complete deployed condition, when the 3rd engagement section 161a departs from the engaging with the 4th engagement section 114, then the retracting mechanism 10` of the present embodiment is in release the lock state, namely rotatable part 11 orders about the folding of the retracting mechanism 10` of the present embodiment, and then the perambulator of folding the present embodiment.Second elastic element 162 is connected to the other end of device for mounting 12 and locking piece 161,3rd engagement section 161a perseverance of locking piece 161 is had move to the position fastened with the 4th engagement section 114 and order about, make operation more convenient, the outside that locking piece 161 is exposed to device for mounting 12 away from the side of the second elastic element 162 forms a press section 161c, carry out release the lock operation with person's pressing lock locking member 161 easy to use, the pivoting point of locking piece 161 is more excellent is between the two ends of locking piece 161.More specifically, safety lock assembly 16 also comprises a release the lock and maintains part 163 and one the 3rd elastic element 164, specifically, what release the lock maintenance part 163 slided is arranged in device for mounting 12, release the lock maintains one end of part 163 and has the 5th engagement section 163a that one day, locking piece 161 extended to form, locking piece 161 has the 6th engagement section 161b that the one and the 5th engagement section 163a is snap fit near one end of the 5th engagement section 163a, in the present embodiment, 5th engagement section 163a is an engaging projection, and the 6th engagement section 161b corresponds to an engaging groove, 3rd elastic element 164 is connected to release the lock and maintains and to order about release the lock between the other end of part 163 and device for mounting 12 and maintain part 163 perseverance and have the trend moving to locking piece 161.Namely as the press section 161c of user's pressing lock locking member 161, then the 3rd engagement section 161a departs from the engaging with the 4th engagement section 114,6th engagement section 161b then can turn to the position relative with the 5th engagement section 163a, 3rd elastic element 164 elasticity pushing tow the 5th engagement section 163a moves to and is sticked in the 6th engagement section 161b, when the 5th engagement section 163a is sticked in the 6th engagement section 161b, then the 3rd engagement section 161a of locking piece 161 is maintained at the state not being sticked in the 4th engagement section 114, and namely locking piece 161 release the lock allows the rotation of operating parts 11.More excellently be, 5th engagement section 163a has the 3rd ramp structure 163b along the direction of locking piece 161 pivotable, 3rd ramp structure 163b contacts at one end that locking piece 161 has the 6th engagement section 161b, thus when the press section 161c of user's pressing lock locking member 161 makes pressing lock locking member 161 rotate, one end that locking piece 161 has the 6th engagement section 161b then can be moved towards the direction away from locking piece 161 in the 3rd ramp structure 163b to make release the lock maintenance part 163 overcome the elastic force of the 3rd elastic element 164 by pushing tow, and then for locking rotation enough pivot spaces are provided, certainly, in other embodiments, can offer in one end that locking piece 161 has an engagement section one match with the 3rd ramp structure 163b another be the structure that inclined-plane is arranged, the pushing tow making locking piece 161 and release the lock maintain part 163 coordinates more smooth and easy and rationally compact, be not described in detail in this.Release the lock maintains part 163 and also has the 4th ramp structure 163c that supplies operating parts 11 pushing tow near one end of operating parts 11, the operating parts 11 rotated orders about engagement piece 13 and is sticked in the process of the second attaching parts 70, operating parts 11 pushing tow the 4th ramp structure 163c drives release the lock to maintain part 163 and moves towards the direction away from locking piece 161, and then make the 5th engagement section 163a depart from the engaging with the 6th engagement section 161b, reset under the elastic force effect of the second elastic element 162 to make locking piece 161, and then make the 3rd engagement section 161a be sticked in the 4th engagement section 114 of operating parts 11, operate more convenient, certainly, with the 4th ramp structure 163c accordingly, in the articulated section 112 of operating parts 11 near the end face of the 4th ramp structure 163c also arrange one coordinate with the mutual pushing tow of the 4th ramp structure 163c another be the structure that inclined-plane is arranged, make the operation of operating parts 11 pushing tow release the lock maintenance part 163 movement more smooth and easy, and structure is more rationally compact, be not described in detail in this.

Except above-mentioned difference, other structure is all identical with the retracting mechanism 10 of the perambulator of the first embodiment and the first embodiment, therefore does not repeat them here.

1 to Fig. 6 by reference to the accompanying drawings, elaborates to the principle of work of first embodiment of the invention baby-carrier folding operation.When will by shown in Fig. 1 when expansion has operated and the baby carriage frame 100 that the retracting mechanism 10 of the present embodiment is in the lock state (as shown in Figure 3) carry out folding and be operated to folding shown in Fig. 6 and operated the baby carriage frame 100 being in collapse state, now along the direction rotating operation part 11 of arrow A indication in Fig. 1, namely drive articulated section 112 along the direction pivotable of arrow A indication in Fig. 1 by operating portion 113, thus make pushing part 111 order about pushed part 131 to slide along the direction of arrow B indication in Fig. 2 or Fig. 3 in slip slotted eye 61, pushed part 131 also drives engagement piece 13 in first attaching parts, slide into the release the lock state (as shown in Figure 5) departing from and engage with the second attaching parts 70 along the direction of arrow B indication in Fig. 2 or Fig. 3 simultaneously, then, driver 20 can be rotated along the direction of arrow C indication in Fig. 1, drive the second attaching parts 70 simultaneously, spike 30 and underframe 50 rotate along the direction of arrow C indication in Fig. 1, the opposite sense of leg 40 along arrow A indication in Fig. 1 is rotated, drive the first attaching parts 60 to rotate along the opposite sense of arrow A indication in Fig. 1 simultaneously, until make driver 20, second attaching parts 70, spike 30, underframe 50, first attaching parts 60 and leg 40 fold together, fold to the collapse state shown in Fig. 6 by baby carriage frame 100, thus can easily baby carriage frame 100 be preserved, to reduce taking up room of baby carriage frame 100, certainly, depart from and the engaging of the second attaching parts 70 and be in release the lock state at engagement piece 13, when folding operation to baby carriage frame 100, also can operating parts 11 be continued vertically upwards to mention when rotating operation part 11, namely driver 20, second attaching parts 70, spike 30, underframe 50, first attaching parts 60 and leg 40 can rotate straight down under gravity and fold together, equally also can baby carriage frame 100 be folded to the collapse state shown in Fig. 6, operate more simple and efficient.When will by carrying out launching to be operated to the expansion shown in Fig. 1 at the baby carriage frame 100 folded when having operated and operated the baby carriage frame 100 being in complete deployed condition shown in Fig. 6, now driver 20 is rotated along the direction of arrow E indication in Fig. 6, the direction of leg 40 along arrow D indication in Fig. 6 is rotated, and the second attaching parts 70, spike 30 and underframe 50 are driven by driver 20 and also rotate along the direction of arrow E indication in Fig. 6, the first attaching parts 60 is driven along the direction of arrow D indication in Fig. 6 by leg 40 and rotates; when driver 20 and leg 40 turn to close to position shown in Fig. 1, the second ramp structure 72 i.e. pushing tow of the second attaching parts 70 is in the first ramp structure 135 of engagement piece 13, and order about engagement piece 13 towards the direction away from the second ramp structure 72 and move, to allow being rotated further of the first attaching parts 60 and the second attaching parts 70, until when driver 20 and leg 40 turn to the complete deployed condition making baby carriage frame 100 be in shown in Fig. 1, then the first attaching parts 60 and the second attaching parts 70 linearly dock, namely the first engagement section 134 of engagement piece 13 is also linearly docked with the second engagement section 71 on the second attaching parts 70, then engagement piece 13 makes the first engagement section 134 move to the latched position (as shown in Figure 3) being sticked in the second engagement section 71 along the opposite sense of arrow B indication in Fig. 2 or Fig. 3 under the elastic force thrusting action of the first elastic element 14, with the deployed condition (as shown in Figure 1) making retracting mechanism 10 lock baby carriage frame 100, finally complete expansion and the lock operation of baby carriage frame 100.

7 to Figure 13 by reference to the accompanying drawings, elaborates to the principle of work of second embodiment of the invention baby-carrier folding operation.Because the distinctive points of the perambulator of the present embodiment and the perambulator of retracting mechanism 10` and the first embodiment and retracting mechanism 10 is: first attaching parts 60 of the baby carriage frame 100` of the perambulator of the present embodiment is articulated in spike 30 and forms pivotable contact P6, and the second attaching parts 70 is articulated in leg 40 and forms pivotable contact P5.The operating parts 11 of the retracting mechanism 10` of the present embodiment is articulated in device for mounting 12, one end of operating parts 11 is stretched into device for mounting 12 and is the setting linked with engagement piece 13, operating parts 11 other end stretches out device for mounting 12, the pivoting point of operating parts 11 is between the two ends of operating parts 11, and namely the position of the pivoting point of operating parts 11 is in the present embodiment different from the pivoting point position of operating parts 11 in the first embodiment.First elastic element 14 of the retracting mechanism 10` of the present embodiment is connected between engagement piece 13 and device for mounting 12, and the first elastic element 14 be different from the first embodiment is connected between engagement piece 13 and the first attaching parts 60.And the retracting mechanism 10` of the present embodiment is not provided with stop part 15, engagement piece 13 is not provided with reseting cavity 132 and socket block 133 yet.In addition, in the present embodiment, the concrete structure of the first engagement section 134 of engagement piece 13 and the second engagement section 71 of the second attaching parts 70 is also different from the concrete structure of the first engagement section 134 in the first embodiment and the second engagement section 71, and the retracting mechanism 10` of the present embodiment is omitted the second ramp structure 72 in the first embodiment and only remains the first ramp structure 135, the same can realization makes perambulator when carrying out expansion operation, without the need to again operating rotating operation part 11, only need by the second attaching parts 70 towards the end face of the first attaching parts 60 to the pushing tow of the first ramp structure 135, engagement piece 13 is moved dodge, for the second attaching parts 70 provides enough pivot spaces, and it is more smooth and easy to make the expansion of the first attaching parts 60 and the second attaching parts 70 operate, operate more simple and efficient.Namely in the present embodiment, the first engagement section 134 is a clamping block, and clamping block has the first ramp structure 135 along the direction of slip of engagement piece 13; Second attaching parts 70 turns in the process of the position that the second engagement section 71 and the first engagement section 134 are fastened, and the second attaching parts 70 slip contacts at the first ramp structure 135 and slides to order about engagement piece 13; Second engagement section 71 is one in the engagement groove of L font structure.The retracting mechanism 10` of the present embodiment also comprises a safety lock assembly 16, safety lock assembly 16 locks quiescing part 11 pivotable or release the lock allows operating parts 11 pivotable, in the retracting mechanism 10` of the present embodiment, namely add the safety measure of second locking or release the lock operating parts 11 rotation.Namely in the present embodiment, when will by shown in Fig. 7 when expansion has operated and the baby carriage frame 100` that retracting mechanism 10` is in the lock state (as shown in Fig. 9, Figure 10 or Figure 11) carries out folding operation through the state shown in Figure 12 until fold operation and complete and be in complete collapse state, before rotating operation part 11, need first pushing tow press section 161c and make the 3rd engagement section 161a of locking piece 161 depart from the engaging with the 4th engagement section 114 of operating parts 11, namely, after release the lock operation being carried out to operating parts 11, could carry out folding operation by rotating operation.And in the present embodiment, as the press section 161c of user's pressing lock locking member 161, then the 3rd engagement section 161a departs from the engaging with the 4th engagement section 114, 6th engagement section 161b then can turn to the position relative with the 5th engagement section 163a, 3rd elastic element 164 elasticity pushing tow the 5th engagement section 163a moves to and is sticked in the 6th engagement section 161b, when the 5th engagement section 163a is sticked in the 6th engagement section 161b, then the 3rd engagement section 161a of locking piece 161 is maintained at the state not being sticked in the 4th engagement section 114, namely locking piece 161 release the lock allows the rotation of operating parts 11.And the operating parts 11 rotated orders about engagement piece 13 and is sticked in the process of the second attaching parts 70, operating parts 11 pushing tow the 4th ramp structure 163c drives the 5th engagement section 163a to depart from the engaging with the 6th engagement section 161b, resets and then make the 3rd engagement section 161a be sticked in the 4th engagement section 114 of operating parts 11 to make locking piece 161.Except above-mentioned difference, other start principle is all identical with the perambulator of the first embodiment and retracting mechanism 10, therefore does not repeat them here.

Device for mounting 12 due to retracting mechanism 10 of the present invention, 10` is arranged on the first attaching parts 60, and device for mounting 12 also with the second attaching parts 70 pivot joint, engagement piece 13 is slidably located at device for mounting 12 and/or the first attaching parts 60 and is selectively fastened with the second attaching parts 70, and operating parts 11 is located at device for mounting 12 or the first attaching parts 60 and can be ordered about engagement piece 13 and discharges the engaging with the second attaching parts 70; Discharge engaging to the second attaching parts 70 when operating parts 11 orders about engagement piece 13, then operating parts 11 drives the first attaching parts 60 and the second attaching parts 70 mutually to fold and realize the pivotable folding between leg 40 and spike 30 by device for mounting 12.Therefore only need singlehanded rotating operation part 11 to order about engagement piece 13 to discharge and the engaging of the second attaching parts 70, again operating parts 11 is upwards mentioned, being folded by single hand baby carriage frame 100,100` can be realized, therefore, retracting mechanism 10 of the present invention, 10` are convenient to baby carriage frame 100, the folding operation and have the simple advantage of structure of 100`.Because perambulator of the present invention has above-mentioned retracting mechanism 10,10`, therefore perambulator of the present invention has and folds the easy to operate and simple advantage of structure.

Below invention has been described in conjunction with the embodiments, but the present invention is not limited to the embodiment of above announcement, and should contain various carry out according to essence of the present invention amendment, equivalent combinations.

Claims (23)

1. a retracting mechanism, be applicable to baby carriage frame, described baby carriage frame comprises the first attaching parts, second attaching parts and can the leg of pivotable folding and spike mutually, one end of described first attaching parts is articulated in the one in described leg and spike, one end of described second attaching parts is articulated in the another one in described leg and spike, forbid or allow mutually folding of described first attaching parts and the second attaching parts between the other end that described retracting mechanism is located at described first attaching parts and the second attaching parts, it is characterized in that, described retracting mechanism comprises operating parts, device for mounting and engagement piece, described device for mounting is arranged on described first attaching parts, and described device for mounting also with described second attaching parts pivot joint, described engagement piece is slidably located at described device for mounting and/or the first attaching parts also selectively fastens with described second attaching parts, described operating parts is located at described device for mounting or the first attaching parts and can be ordered about the engaging of the release of described engagement piece and described second attaching parts, when described operating parts orders about the engaging of described engagement piece release to described second attaching parts, then described operating parts drives described first attaching parts and the second attaching parts mutually to fold and realize the pivotable folding between described leg and spike by described device for mounting.

2. retracting mechanism as claimed in claim 1, it is characterized in that, one end of described operating parts is articulated in described device for mounting, the other end of described operating parts stretches out described device for mounting and with described engagement piece in the setting linked, rotates described operating parts and described engagement piece then can be driven to depart from the engaging with described second attaching parts.

3. retracting mechanism as claimed in claim 2, it is characterized in that, described engagement piece extends a pushed part along hindering the direction of described operating parts pivotable towards described operating parts place, described operating parts has the pushing part coordinating pushing tow with described pushed part, and the described operating parts of rotation is coordinated by described pushing part and pushed part orders about the slip of described engagement piece.

4. retracting mechanism as claimed in claim 3, it is characterized in that, described pushing part is a tilted slotted hole, and described pushed part is a projection, and described projection is stretching in described tilted slotted hole of free-running fit.

5. retracting mechanism as claimed in claim 3, is characterized in that, described engagement piece in being slidably built in described first attaching parts, described pushed part also in free-running fit through described first attaching parts.

6. retracting mechanism as claimed in claim 1, it is characterized in that, described operating parts is articulated in described device for mounting, one end of described operating parts is stretched into described device for mounting and is the setting linked with described engagement piece, the described operating parts other end stretches out described device for mounting, the pivoting point of described operating parts, between the two ends of described operating parts, rotates described operating parts and described engagement piece then can be driven to depart from the engaging with described second attaching parts.

7. retracting mechanism as claimed in claim 6, it is characterized in that, described engagement piece extends a pushed part along hindering the direction of described operating parts pivotable towards described operating parts place, described operating parts has the pushing part coordinating pushing tow with described pushed part, and the described operating parts of rotation is coordinated by described pushing part and pushed part orders about the slip of described engagement piece.

8. retracting mechanism as claimed in claim 7, it is characterized in that, described pushing part is a tilted slotted hole, and described pushed part is a projection, and described projection is stretching in described tilted slotted hole of free-running fit.

9. retracting mechanism as claimed in claim 7, is characterized in that, described engagement piece in being slidably arranged at described device for mounting, described pushed part also in free-running fit through described device for mounting.

10. retracting mechanism as claimed in claim 1, is characterized in that, also comprise one first elastic element, and described first elastic element is connected between described engagement piece and described device for mounting or the first attaching parts.

11. retracting mechanisms as claimed in claim 10, it is characterized in that, also comprise a stop part, described stop part is connected on described device for mounting, one end of described first elastic element is connected to described engagement piece, and the other end of described first elastic element is connected to described stop part.

12. retracting mechanisms as claimed in claim 11, it is characterized in that, described stop part is also connected to described first attaching parts.

13. retracting mechanisms as claimed in claim 1, it is characterized in that, one in described engagement piece and the second attaching parts has the first engagement section, and what the another one in described engagement piece and the second attaching parts was corresponding is provided with the second engagement section with described first engagement section snap fit.

14. retracting mechanisms as claimed in claim 13, it is characterized in that, described first engagement section is stuck in described second engagement section, then described first attaching parts and the second attaching parts docking linearly.

15. retracting mechanisms as claimed in claim 13, it is characterized in that, described first engagement section is that an engaging is convex, and the direction of slip of engagement piece has the first ramp structure described in described engaging convex edge, described second attaching parts has in the face of the end of described engagement piece the second ramp structure matched with described first ramp structure, described second engagement section is an engaging slotted eye, and described engaging slotted eye runs through the end of described second attaching parts in the face of described engagement piece.

16. retracting mechanisms as claimed in claim 13, it is characterized in that, described first engagement section is a clamping block, and described clamping block has the first ramp structure along the direction of slip of described engagement piece; Described second attaching parts turns in the process of the position that described second engagement section and described first engagement section are fastened, and described second attaching parts slides and contacts at described first ramp structure to order about the slip of described engagement piece; Described second engagement section is one in the engagement groove of L font structure.

17. retracting mechanisms as claimed in claim 2, is characterized in that, also comprise a safety lock assembly, and described safety lock assembly locking forbids that described operating parts pivotable or release the lock allow described operating parts pivotable.

18. retracting mechanisms as claimed in claim 17, it is characterized in that, described safety lock assembly comprises locking piece and the second elastic element, described locking piece is articulated in described device for mounting, and the pivoting centre line of described locking piece is perpendicular to the pivoting centre line of described operating parts, one end of described locking piece has one the 3rd engagement section, described second elastic element is connected to the other end of described device for mounting and described locking piece, described locking piece is exposed to the outside of described device for mounting away from the side of described second elastic element, the pivoting point of described locking piece is between the two ends of described locking piece, described operating parts offers the 4th engagement section engaged for described 3rd engagement section.

19. retracting mechanisms as claimed in claim 18, it is characterized in that, described security component also comprises a release the lock and maintains part and one the 3rd elastic element, what described release the lock maintenance part slided is arranged at described device for mounting, one end that described release the lock maintains part has the 5th engagement section that locking piece described in one day extends to form, described locking piece has one with described 5th engagement section near one end of described 5th engagement section be the 6th engagement section of snap fit, described 3rd elastic element is connected to described release the lock and maintains and to order about described release the lock between the other end of part and described device for mounting and maintain part perseverance and have the trend moving to described locking piece.

20. retracting mechanisms as claimed in claim 1, is characterized in that, one end of described second attaching parts and described device for mounting pivot joint is built in described device for mounting, and described device for mounting offers dodges chamber for described second attaching parts pivotable.

21. retracting mechanisms as claimed in claim 1, is characterized in that, described operating parts comprises and the articulated section of described device for mounting pivot joint and the operating portion that is arranged on described articulated section, and described operating portion is arranged along the pivoting centre line direction of described operating parts.

22. 1 kinds of perambulators, comprise baby carriage frame, described baby carriage frame comprises the first attaching parts, the second attaching parts and can pivotable is folding mutually leg and spike, one end of described first attaching parts is articulated in the one in described leg and spike, one end of described second attaching parts is articulated in the another one in described leg and spike, it is characterized in that, described perambulator also comprises the retracting mechanism as described in any one of claim 1 to 21.

23. perambulators as claimed in claim 22, it is characterized in that, described baby carriage frame also comprises driver and underframe, and described driver is in turn articulated on described leg and spike, and described driver is positioned at the top of described retracting mechanism; Described underframe is articulated between described spike and leg, and described underframe is positioned at the below of described driver.