CN104691597B - Folding mechanism and baby carriage with same - Google Patents

Abstract

The invention provides a folding mechanism, which is arranged between the other ends of a first connecting piece and a second connecting piece of a baby carriage frame and forbids or allows the mutual folding of the first connecting piece and the second connecting piece, and comprises an operating piece, a clamping seat and a clamping piece, wherein the clamping seat is arranged on the first connecting piece and is pivoted with the second connecting piece; when the operating member drives the engaging member to release the engagement with the second connecting member, the operating member drives the first connecting member and the second connecting member to be mutually folded through the engaging seat, so as to realize the pivoting and folding between the supporting legs and the supporting legs. Therefore, the folding mechanism of the invention is convenient for the folding operation of the baby carriage frame and has the advantage of simple structure. The invention also provides a baby carriage frame with the folding mechanism.

Description

Collapsible mechanism and baby carriage with the collapsible mechanism

technical field

The invention relates to the field of infant carriers, in particular to a retractable mechanism and a stroller with the retractable mechanism.

Background technique

With the continuous progress of the society, the continuous development of the economy, and the continuous improvement of science and technology, people are provided with more and more abundant consumer goods, thereby creating extremely excellent material conditions for improving people's living standards, and infant vehicles are many A type of consumer product.

As we all know, there are many styles of infant vehicles on the market, such as strollers. For parents with babies, when they go shopping or walking with their babies, they usually use strollers instead of arms to reduce the burden on adults. Thereby great convenience is provided for parents with children, therefore, baby carriage is more and more subject to people's favor.

However, traditional baby carriages cannot be folded, which makes the storage of baby carriages extremely inconvenient, especially because some baby carriages are relatively large, so the floor space will be relatively large, especially in indoor areas where the residential area is relatively small, taking up a lot of space. The area often affects people's indoor activities, which is quite inconvenient; on the other hand, the inability to fold the baby carriage will also affect the transportation of the baby carriage.

Therefore, it is necessary to provide a folding mechanism capable of overcoming the above defects and a stroller with the folding mechanism.

Contents of the invention

An object of the present invention is to provide a folding mechanism that is convenient for the folding operation of the stroller and has a simple structure.

Another object of the present invention is to provide a stroller that is easy to fold and has a simple structure.

In order to achieve the above object, the present invention provides a retractable mechanism, which is suitable for a stroller frame, and the stroller frame includes a first connecting piece, a second connecting piece, a supporting foot and a supporting foot that can be pivoted and folded mutually. One end of the first connecting piece is pivotally connected to one of the supporting feet and the supporting feet, one end of the second connecting piece is pivotally connected to the other of the supporting feet and the supporting feet, and the folding mechanism is arranged on The other ends of the first connecting piece and the second connecting piece prohibit or allow the mutual folding of the first connecting piece and the second connecting piece, wherein the folding mechanism includes an operating piece, a snap seat and an engaging member, the engaging seat is mounted on the first connecting member, and the engaging seat is also pivotally connected to the second connecting member, and the engaging member is slidably arranged on the engaging seat and/or the first connecting piece and can be selectively engaged with the second connecting piece, the operating member is set on the engaging seat or the first connecting piece and can drive the engaging piece to release and engage with the second connecting piece engagement of the second connector; when the operating member drives the engaging member to release the engagement on the second connector, the operating member drives the first connector through the engaging seat and the second connecting piece are folded together to realize the pivotal folding between the supporting foot and the supporting foot; wherein, one of the engaging piece and the second connecting piece has a first engaging portion, and the locking The other one of the engaging part and the second connecting part is correspondingly provided with a second engaging part engaged with the first engaging part; the engaging part moves toward the A pushed part is extended from the operating part, and the operating part has a pushing part that cooperates with the pushed part to push, and the rotating operating part is driven by the pushing part and the pushed part. The above fastener slides.

Preferably, one end of the operating member is pivotally connected in the engaging seat, and the other end of the operating member protrudes from the engaging seat and is set in linkage with the engaging member to rotate the operating member. The part can drive the engaging part to disengage from the second connecting part.

Preferably, the pushing part is a chute hole, the pushed part is a protruding post, and the protruding post protrudes into the chute hole in a clearance fit.

Preferably, the engaging member is slidably built into the first connecting member, and the pushed portion passes through the first connecting member in a clearance fit.

Preferably, the operating member is pivotally connected to the engaging seat, one end of the operating member protrudes into the engaging seat and is set in linkage with the engaging member, and the other end of the operating member protrudes In the engaging seat, the pivot point of the operating member is located between two ends of the operating member, and rotating the operating member can drive the engaging member to disengage from the second connecting member.

Preferably, the pushing part is a chute hole, the pushed part is a protruding post, and the protruding post protrudes into the chute hole in a clearance fit.

Preferably, the engaging member is slidably disposed on the engaging seat, and the pushed portion passes through the engaging seat in a clearance fit.

Preferably, the folding mechanism further includes a first elastic element, and the first elastic element is connected between the engaging part and the engaging seat or the first connecting part.

Preferably, the folding mechanism further includes a stopper, the stopper passes through the engaging seat, one end of the first elastic element abuts against the engaging member, the The other end of the first elastic element abuts against the stopper.

Preferably, the stopper is also connected to the first connecting member.

Preferably, the first engaging portion is engaged with the second engaging portion, so that the first connecting piece and the second connecting piece are butted in a straight line.

Preferably, the first engaging part is an engaging protrusion, and the engaging protrusion has a first slope structure along the sliding direction of the engaging part, and the second connecting part faces the engaging part. The end part of the component has a second inclined-plane structure matched with the first inclined-plane structure, the second engaging part is an engaging slot hole, and the engaging slot hole runs through the second connecting piece and faces the end of the engaging member.

Preferably, the first engaging part is an engaging block, and the engaging block has a first slope structure along the sliding direction of the engaging part; the second connecting part rotates to make the first During the position where the two engaging parts engage with the first engaging part, the second connecting part slides against the first slope structure to drive the engaging part to slide; the second engaging part The engaging portion is an engaging groove in an L-shaped structure.

Preferably, the folding mechanism further includes a safety lock assembly, and the safety lock assembly locks and prohibits the pivoting of the operating member or releases the lock to allow the pivoting of the operating member.

Preferably, the safety lock assembly includes a locking piece and a second elastic element, the locking piece is pivotally connected to the engaging seat, and the pivoting centerline of the locking piece is perpendicular to the pivoting of the operating piece. One end of the locking member has a third engaging portion, the second elastic element abuts against the engaging seat and the other end of the locking member, and the locking member is far away from the second The side of the elastic element is exposed to the outside of the engaging seat, the pivot point of the locking member is located between the two ends of the locking member, and the operating member is provided with a first opening for engaging the third engaging portion. Four snap parts.

Preferably, the safety component further includes a release maintenance member and a third elastic element, the release maintenance member is slidably arranged on the engaging seat, and one end of the release maintenance member has a The fifth engaging part formed by the extension of the locking part, the locking part has a sixth engaging part which is engaged with the fifth engaging part at one end close to the fifth engaging part, and the first The three elastic elements are abutted between the other end of the release maintaining member and the engaging seat to drive the release maintaining member to always have a tendency to move to the locking member.

Preferably, one end of the second connecting piece pivotally connected to the engaging seat is built in the engaging seat, and the engaging seat defines an avoidance cavity for the second connecting piece to pivot.

Preferably, the operating member includes a pivoting portion pivotally connected to the engaging seat and an operating portion mounted on the pivoting portion, and the operating portion is arranged along the pivoting centerline of the operating member .

In order to achieve the above object, the stroller of the present invention includes a stroller frame, and the stroller frame includes a first connecting piece, a second connecting piece, and a mutually pivotable and foldable foot and a support foot, and the first connecting piece One end is pivotally connected to one of the supporting feet and the supporting feet, and one end of the second connecting piece is pivotally connected to the other of the supporting feet and the supporting feet, wherein the stroller also includes the aforementioned folding mechanism.

Preferably, the stroller frame further includes a rider and a chassis, the rider is pivotally connected to the legs and the legs in turn, and the rider is located above the folding mechanism; the chassis pivots connected between the support feet and the support feet, and the underframe is located below the driver.

Since the engaging seat of the folding mechanism of the present invention is installed on the first connecting part, and the engaging seat is also pivotally connected to the second connecting part, the engaging part can be slidably arranged on the engaging seat and/or the first connecting part and Optionally engaged with the second connecting piece, the operating piece is located on the engaging seat or the first connecting piece and can drive the locking piece to release the engagement with the second connecting piece; when the operating piece drives the locking piece to release the second connecting piece When the two connecting parts are engaged, the operating part drives the first connecting part and the second connecting part to fold together through the engaging seat to realize the pivotal folding between the supporting legs and the supporting legs. Therefore, it is only necessary to turn the operating part with one hand to drive the engaging part to release the engagement with the second connecting part, and then lift up the operating part to realize one-handed folding of the stroller frame. Therefore, the folding mechanism of the present invention is convenient for babies The folding operation of the vehicle frame has the advantage of simple structure. Since the baby carriage of the present invention has the above-mentioned folding mechanism, the baby carriage of the present invention has the advantages of convenient folding operation and simple structure.

Description of drawings

FIG. 1 is a combined perspective view of the stroller frame of the stroller in the unfolded state and the engaging member engaged with the second connecting member according to the first embodiment of the present invention.

FIG. 2 is a schematic perspective view of the combination of the engaging part and the second connecting part of the folding mechanism according to the first embodiment of the present invention.

FIG. 3 is a perspective cross-sectional schematic view of the engaging part and the second connecting part of the folding mechanism according to the first embodiment of the present invention.

FIG. 4 is a perspective cross-sectional schematic view of the folding mechanism according to the first embodiment of the present invention after the engaging parts are removed.

FIG. 5 is a perspective cross-sectional schematic diagram of the engaging part of the folding mechanism disengaging from the second connecting part according to the first embodiment of the present invention.

FIG. 6 is an assembled perspective view of the stroller frame of the first embodiment of the present invention when the stroller frame is in a folded state.

FIG. 7 is a combined perspective view of the stroller frame of the stroller in the unfolded state and the engaging member engaged with the second connecting member according to the second embodiment of the present invention.

FIG. 8 is an enlarged view of part F in FIG. 7 .

FIG. 9 is an assembled perspective view of the retracting mechanism according to the second embodiment of the present invention after the first casing is removed.

FIG. 10 is a combined perspective view of the folding mechanism according to the second embodiment of the present invention after the first casing and the second casing are removed.

FIG. 11 is an exploded perspective view of FIG. 10 .

FIG. 12 is an assembled perspective view of the stroller frame in a certain state during the folding operation of the stroller according to the second embodiment of the present invention.

FIG. 13 is an enlarged view of part G in FIG. 12 .

Detailed ways

The present invention will be further described below with reference to the accompanying drawings and preferred embodiments, but the embodiments of the present invention are not limited thereto.

Please refer to FIG. 1 , which shows a stroller frame 100 of a stroller (not shown) according to a first embodiment of the present invention. The stroller frame 100 of the stroller of this embodiment includes a folding mechanism 10 and a first connecting member 60. , the second connecting piece 70, the rider 20, the underframe 50, and the legs 40 and 30 that can pivot and fold each other, and the folding mechanism 10 of the present embodiment is arranged on the stroller frame 100 of the stroller of the present embodiment superior. Wherein, one end of the first connecting member 60 is pivotally connected to one of the supporting foot 40 and the supporting foot 30, and one end of the second connecting member 70 is pivotally connected to the other one of the supporting foot 40 and the supporting foot 30. Specifically, in In this embodiment, the first connecting member 60 is pivotally connected to the leg 40 to form a pivot point P5, and the second connecting member 70 is pivotally connected to the leg 30 to form a pivot point P6, so that the first connecting member 60 and The space layout of the second connecting member 70 is more reasonable and compact. It is understandable that in other embodiments, the first connecting member 60 can be pivotally connected to the support leg 30 according to actual usage requirements, and the second connecting member 70 corresponds to The ground can be pivotally connected to the support leg 40, so it will not be described in detail here; the driver 20 is pivotally connected to the support leg 40 and the support leg 30 in turn, and the driver 20 is located above the folding mechanism 10 of this embodiment; the chassis 50 pivot Connected between the legs 30 and 40, and the underframe 50 is located below the rider 20; the folding mechanism 10 of this embodiment is located between the other end of the first connector 60 and the second connector 70 and prohibits or The mutual folding of the first connecting part 60 and the second connecting part 70 is allowed. Specifically, in this embodiment, the driver 20 extends a connecting portion 21 toward the support leg 30, and the lower end of the connection portion 21 is pivotally connected with the support leg 30 to form a pivot joint P1, so that the driver 20 and the support leg 30 can pivotal connection, and provide enough space for pivoting between the driver 20 and the support foot 30; the upper end of the support foot 40 is pivotally connected to the lower end of the driver 20 to form a pivot joint P2, and in this embodiment, the support foot 40 One end close to the pivot point P2 also has a carrier seat 41 for inserting and fixing the carrier (not shown in the figure) of the stroller of this embodiment, so as to facilitate the installation and disassembly of the carrier; and the chassis 50 is inclined up and down The upper end of the bottom frame 50 is pivotally connected to the leg 40 to form a pivot point P3, and the lower end of the bottom frame 50 is pivotally connected to the leg 30 to form a pivot point P4. When the stroller frame 100 is in a fully unfolded state, the pivot joint P2 is located between the pivot joints P1 and P3 along the height direction, and the pivot joint P2 is also located between the pivot joints P1 and P3 along the horizontal direction. between the pivot point P3 and the pivot point P3 along the height direction between the pivot point P4 and the pivot point P1, and the pivot point P3 is located in front of the pivot point P1 and the pivot point P4, so that the driver 20 , the supporting feet 30, the supporting feet 40 and the bottom frame 50 are pivoted and folded. In addition, in order to make the stroller of this embodiment moveable, the bottom ends of the legs 30 and 40 of the stroller frame 100 can also be provided with rotatable rollers (not shown in the figure). More specifically, as follows: Please refer to FIG. 1 to FIG. 5 , the folding mechanism 10 of this embodiment includes an operating member 11 , an engaging seat 12 and an engaging member 13 , the engaging seat 12 is installed on the first connecting member 60 , and The engaging seat 12 is also pivotally connected to the second connecting member 70, and the engaging member 13 is slidably disposed on the engaging seat 12 and/or the first connecting member 60 and can be selectively engaged with the second connecting member 70. Details In terms of, in this embodiment, the engaging member 13 is slidably built into the first connecting member 60, so that the sliding structure of the engaging member 13 is more reasonable, compact, firm and reliable. It can be understood that, in other In the embodiment, the engaging member 13 is slidably arranged in one of the engaging seat 12 or in both the engaging seat 12 and the first connecting member 60, so that the engaging member 13 can be selectively connected with the second connecting member. 70, so it will not be repeated here; the operating member 11 is located on the engaging seat 12 or the first connecting member 60 and can drive the engaging member 13 to release the engagement with the second connecting member 70, preferably, in this In the embodiment, the operating part 11 is arranged on the engaging seat 12, so that the structure of the folding mechanism 10 in this embodiment is more reasonable and compact. Specifically, one end of the operating part 11 is pivotally connected to the engaging seat 12, and the operating part The other end of 11 protrudes from the engaging seat 12 and is set in linkage with the engaging member 13, and the rotating operation member 11 can drive the engaging member 13 to disengage from the engagement with the second connecting member 70. It can be understood that, in other In the embodiment, the operating member 11 can also be arranged on the first connecting member 60, so it will not be repeated here; when the operating member 11 drives the engaging member 13 to release the engagement with the second connecting member 70, the operating member 11 passes through The engaging seat 12 drives the first connecting member 60 and the second connecting member 70 to fold together to realize the pivotal folding between the supporting leg 40 and the supporting leg 30, so that the folding mechanism 10 of this embodiment and the baby of this embodiment The structure of the car is extremely simple and the folding operation is extremely convenient and quick.

Wherein, the engaging part 13 extends a pushed part 131 toward the operating part 11 in a direction that hinders the pivoting of the operating part 11. The operating part 11 has a pushing part 111 that cooperates with the pushing part 131. 11 The engaging part 13 is driven to slide through the cooperation of the pushing part 111 and the pushed part 131, so that the operating part 11 can drive the sliding of the engaging part 13 conveniently and quickly. Specifically, the pushing part 111 is a chute hole, and the pushed part 131 is a protruding column, and the protruding post extends into the chute hole in a clearance fit. Of course, the specific matching structure of the pushing part 111 and the pushed part 131 It is not limited thereto, and can be flexibly selected according to specific usage conditions. Preferably, the pushed portion 131 passes through the first connecting member 60 with a clearance fit, and correspondingly, the first connecting member 60 defines a sliding slot 61 for the pushed portion 131 to pass through with a clearance fit. The sliding arrangement of the engaging member 13 is more reasonable, firm and reliable, and the pushed part 131 can be flexibly driven to slide by the pushing part 111. In addition, the sliding slot 61 also plays a role in restricting the excessive movement of the pushed part 131. , so that the pushed part 131 can only reciprocate within a limited range, which is safer and more reliable.

At the same time, the folding mechanism 10 of this embodiment also includes a first elastic element 14, the first elastic element 14 is connected between the engaging member 13 and the engaging seat 12 or the first connecting member 60, so that the engaging member 13 is constant It has a tendency to move to a position engaged with the second connecting member 70, and makes the operation more convenient and labor-saving. Preferably, in this embodiment, the first elastic element 14 is connected between the engaging member 13 and the first connecting member 60, it is understandable that in other embodiments, the first elastic element 14 may be connected to the engaging member 13 Between the engaging member 13 and the engaging seat 12, the engaging member 13 can also have a constant tendency to move to the position where it engages with the second connecting member 70, so it will not be described in detail here. Specifically, the folding mechanism 10 also includes a stopper 15, which is connected to the engaging seat 12. Preferably, the stopper 15 is also connected to the first connecting member 60, so that the stopper 15 The setting of 15 is more firm and reliable, one end of the first elastic element 14 abuts against the engaging member 13, the other end of the first elastic element 14 abuts against the stopper 15, and the first elastic element 14 is compressed. Between the engaging piece 13 and the stopper 15 . More specifically, the engaging part 13 defines a resetting cavity 132, the stopper 15 passes through one end of the resetting cavity 132, and the engaging part 13 has a socket block 133 extending into the other end of the resetting cavity 132, the first The elastic element 14 is accommodated in the reset cavity 132 and is sleeved on the sleeve block 133 , which greatly reduces the space occupied by the first elastic element 14 , thus making the layout of the first elastic element 14 more reasonable and compact.

Furthermore, one of the engaging member 13 and the second connecting member 70 has a first engaging portion 134, and the other of the engaging member 13 and the second connecting member 70 is provided with a corresponding first engaging portion 134. 134 is engaged with the second engaging portion 71 . When the first engaging portion 134 is engaged with the second engaging portion 71 , the first connecting member 60 and the second connecting member 70 are aligned in a straight line. In this embodiment, the first engaging portion 134 is located on the engaging member 13 , and the second engaging portion 71 is located on the second connecting member 70 . Specifically, the first engaging portion 134 is an engaging protrusion, and the engaging protrusion has a first slope structure 135 along the sliding direction of the engaging member 13, and the end of the second connecting member 70 facing the engaging member 13 has a The second slant structure 72 matched with the first slant structure 135, in detail, in this embodiment, the second slant structure 72 is located at the end of the second engaging portion 71, so that the layout position of the second slant structure 72 is more precise. In order to be reasonable and compact, of course, the specific layout position of the second slope structure 72 is not limited thereto. In different embodiments, it can be flexibly designed according to actual usage requirements; the second engaging portion 71 is an engaging slot, and The engaging slot penetrates through the end of the second connecting member 70 facing the engaging member 13 . Therefore, when the baby stroller of this embodiment is unfolded, it is not necessary to operate the rotating operation member 11 again, and it is only necessary to push the first inclined-plane structure 135 by the second inclined-plane structure 72 to make the engaging member 13 move out of the way, which is the second inclined-plane structure 72. The two connecting parts 70 provide sufficient pivoting space, so that the unfolding operation of the first connecting part 60 and the second connecting part 70 is smoother, and the operation is simpler and quicker.

Finally, one end of the second connecting member 70 pivotally connected to the engaging seat 12 is built in the engaging seat 12 , and the engaging seat 12 defines an avoidance cavity 121 for the second connecting member 70 to pivot. This makes the structure of the engaging seat 12 more reasonable and compact and provides enough pivoting space for the pivoting of the second connecting member 70. In this embodiment, the semicircular structure of the avoidance cavity 121 makes the structure of this embodiment The structure of the folding mechanism 10 is more reasonable and compact. Of course, the specific structure of the avoidance chamber 121 is not limited thereto, and can be flexibly designed according to actual usage requirements. Specifically, the operating member 11 includes a pivoting portion 112 pivotally connected to the engaging seat 12 and an operating portion 113 mounted on the pivoting portion 112. The operating portion 113 is arranged along the pivot centerline of the operating member 11, so that the operating member The turning operation of 11 is more convenient and labor-saving.

Please refer to FIG. 7 to FIG. 13 , which show the stroller frame 100 ′ of the stroller of the second embodiment of the present invention and the folding mechanism 10 ′ of the second embodiment of the present invention arranged on the stroller frame 100 ′. The structure of the baby carriage and the folding mechanism 10 ′ of the example is basically the same as that of the first embodiment, and the differences are:

First, in this embodiment, the first connecting member 60 is pivotally connected to the support leg 30 to form a pivot joint P6, and the second connecting member 70 is pivotally connected to the support leg 40 to form a pivot joint P5. In the example, the first connecting member 60 is pivotally connected to the support leg 40 to form the pivot joint P5, and the second connecting member 70 is pivotally connected to the support leg 30 to form the pivot joint P6, but both of them can realize the baby of the present invention. The function of folding and unfolding the car mutually.

Second, in this embodiment, the engaging seat 12 includes a mounting seat 122 and a first housing 123 and a second housing 124 that are merged and connected to each other. Inside the hollow structure formed by the two casings 124 . The operating member 11 is pivotally connected to the engaging seat 12, specifically, the operating member 11 is pivotally connected to the first housing 123 and the second housing 124, and one end of the operating member 11 extends into the engaging seat 12 and is formed with the engaging member 13. In the linkage arrangement, the other end of the operating member 11 protrudes from the engaging seat 12 , and the pivot point of the operating member 11 is located between the two ends of the operating member 11 . In the first embodiment, one end of the operating member 11 is pivotally connected to the engaging seat 12, and the other end of the operating member 11 protrudes from the engaging seat 12, which is the position of the pivot point of the operating member 11 in this embodiment. It is different from the pivot point position of the operating member 11 in the first embodiment, but both are set in linkage between the operating member 11 and the engaging member 13, and both can realize that rotating the operating member 11 can drive the engaging member 13 to disengage from the joint. The engaging function of the second connecting piece 70 . In this embodiment, the engaging member 13 is slidably arranged on the engaging seat 12, and the pushed part 131 passes through the engaging seat 12 in a clearance fit. Specifically, the engaging seat 12 is provided with a The part 131 is a sliding slot 125 through which a clearance fit passes. In more detail, the engaging member 13 is slidably disposed on one end of the mounting base 122, and the second connecting member 70 is pivotally connected to the other end of the mounting base 122. The sliding slot 125 It is set on the mounting seat 122 , the first casing 123 and the second casing 124 .

Third, the first elastic element 14 of the folding mechanism 10' of this embodiment is connected between the engaging member 13 and the engaging seat 12, which is different from the first elastic element 14 connected to the engaging member in the first embodiment 13 and the first connector 60. Moreover, the retracting mechanism 10 ′ of this embodiment is not provided with a stopper 15 , and the engaging member 13 is not provided with a reset cavity 132 and a sleeve block 133 . In addition, in this embodiment, the specific structures of the first engaging portion 134 of the engaging member 13 and the second engaging portion 71 of the second connecting member 70 are also different from the first engaging portion 134 in the first embodiment. and the specific structure of the second engaging part 71, and the folding mechanism 10' of this embodiment also omits the second slope structure 72 in the first embodiment and only retains the first slope structure 135, which can also realize the baby When the vehicle is unfolding, there is no need to operate the rotating operation part 11 again, only the end face of the second connecting part 70 toward the first connecting part 60 is pushed against the first inclined-plane structure 135 to make the engaging part 13 move out of the way. Enough pivoting space is provided for the second connecting member 70 , so that the unfolding operation of the first connecting member 60 and the second connecting member 70 is smoother, and the operation is simpler and quicker. That is, in this embodiment, the first engaging portion 134 is an engaging block, and the first engaging portion 134 has a first slope structure 135 along the sliding direction of the engaging member 13; During the process of the engagement between the second engaging part 71 and the first engaging part 134, the second connecting part 70 slides against the first slope structure 135 to drive the engaging part 13 to slide, so that the second connecting part 70 The pivoting provides sufficient pivoting space; the second engaging portion 71 is an engaging slot in an L-shaped structure, so as to fit well and securely with the engaging block.

Fourth, the retractable mechanism 10' of this embodiment also includes a safety lock assembly 16, which locks and prohibits the pivoting of the operating member 11 or releases the lock to allow the pivoting of the operating member 11, that is, in the retracting mechanism of this embodiment 10 ′ has increased a locking or unlocking operating member 11 rotation safety measures. Specifically, the safety lock assembly 16 includes a locking member 161 and a second elastic member 162, the locking member 161 is pivotally connected to the engaging seat 12, and the pivoting centerline of the locking member 161 is perpendicular to the pivoting centerline of the operating member 11, so that The setting structure of the locking part 161 is more reasonable and compact. One end of the locking part 161 has a third engaging part 161a, and the operating part 11 has a fourth engaging part 114 for engaging the third engaging part 161a. The details are In other words, in this embodiment, the third engaging portion 161a is an engaging protrusion, and the fourth engaging portion 114 corresponds to an engaging hole for engaging the engaging protrusion. When the third engaging portion 161a When engaged with the fourth engaging portion 114, the lock prohibits the rotation of the operating member 11, and then locks the stroller of this embodiment in a fully unfolded state. close, the folding mechanism 10 ′ of this embodiment is in the unlocked state, that is, the operating member 11 can be rotated to drive the folding mechanism 10 ′ of this embodiment, and then the stroller of this embodiment is folded. The second elastic element 162 abuts against the engaging seat 12 and the other end of the locking member 161, so that the third engaging portion 161a of the locking member 161 is always driven to move to a position engaged with the fourth engaging portion 114, so that The operation is more convenient and fast. The side of the locking member 161 away from the second elastic element 162 is exposed to the outside of the engaging seat 12 to form a pressing portion 161c, so that the user can press the locking member 161 to perform the unlocking operation. The pivot of the locking member 161 The contact point is preferably located between two ends of the locking member 161 . More specifically, the safety lock assembly 16 also includes a release maintaining member 163 and a third elastic member 164. Specifically, the release maintaining member 163 is slidably disposed in the engagement seat 12, and one end of the release maintaining member 163 There is a fifth engaging portion 163a extending toward the locking member 161, and the end of the locking member 161 close to the fifth engaging portion 163a has a sixth engaging portion 161b that engages with the fifth engaging portion 163a. In this embodiment, the fifth engaging portion 163a is an engaging protrusion, and the sixth engaging portion 161b is corresponding to an engaging groove. The third elastic element 164 abuts against the other end of the release maintaining member 163 and The latching seat 12 drives the release maintaining member 163 to always have a tendency to move to the locking member 161 . That is, when the user presses the pressing portion 161c of the locking member 161, the third engaging portion 161a will disengage from the engagement with the fourth engaging portion 114, and the sixth engaging portion 161b will rotate to engage with the fifth engaging portion. 163a, the third elastic member 164 elastically pushes the fifth engaging portion 163a to move to engage with the sixth engaging portion 161b, when the fifth engaging portion 163a engages with the sixth engaging portion 161b, then The third engaging portion 161 a of the locking member 161 is maintained in a state not engaged with the fourth engaging portion 114 , that is, the locking member 161 is released to allow the operation member 11 to rotate. Preferably, the fifth engaging portion 163a has a third inclined surface structure 163b along the pivoting direction of the locking member 161, and the third inclined surface structure 163b interferes with the end of the locking member 161 having the sixth engaging portion 161b, so that when the user presses When the pressing part 161c of the locking part 161 rotates the pressing locking part 161, one end of the locking part 161 having the sixth engaging part 161b will push against the third slope structure 163b so that the release maintaining part 163 overcomes the third elastic element 164 The elastic force moves away from the locking part 161, thereby providing enough pivoting space for the locking rotation. Of course, in other embodiments, a third inclined plane structure can be provided at the end of the locking part 161 with the engaging part. 163b cooperates with another structure arranged on an inclined plane, which makes the push fit between the locking member 161 and the release maintaining member 163 more smooth and reasonably compact, and will not be described in detail here. The end of the release maintenance member 163 close to the operating member 11 also has a fourth inclined surface structure 163c for the pushing of the operating member 11, the rotating operating member 11 drives the engaging member 13 to engage with the second connecting member 70, and the operation The member 11 pushes the fourth inclined surface structure 163c to drive the release maintenance member 163 to move away from the locking member 161, and then makes the fifth engaging portion 163a disengage from the sixth engaging portion 161b, so that the locking member 161 is in the The elastic force of the second elastic element 162 resets, and then makes the third engaging portion 161a engage with the fourth engaging portion 114 of the operating member 11, making the operation more convenient and fast. Of course, corresponding to the fourth inclined surface structure 163c On the end surface of the pivot joint 112 of the operating member 11 close to the fourth inclined-plane structure 163c, another inclined-plane structure is also provided to push and cooperate with the fourth inclined-plane structure 163c, so that the operating member 11 pushes the lock release maintaining member The operation of the 163 mobile is smoother, and the structure is more reasonable and compact, which will not be described in detail here.

Except for the above differences, other structures are the same as the stroller of the first embodiment and the folding mechanism 10 of the first embodiment, so details will not be repeated here.

The working principle of the folding operation of the baby carriage in the first embodiment of the present invention will be described in detail with reference to the accompanying drawings 1 to 6 . When the unfolding operation shown in FIG. 1 is completed and the baby carriage frame 100 of this embodiment is in a locked state (as shown in FIG. 3 ), the folding operation is performed to the folding operation shown in FIG. 6 After completing the baby carriage frame 100 in the folded state, turn the operating member 11 in the direction indicated by the arrow A in FIG. Turn, so that the pushing part 111 drives the pushed part 131 to slide in the sliding groove hole 61 along the direction indicated by the arrow B in Figure 2 or Figure 3, and the pushed part 131 also drives the engaging part 13 to connect to the first branch slide in the direction indicated by arrow B in Fig. 2 or Fig. 3 to the unlocked state (as shown in Fig. 5 ) that is engaged with the second connecting part 70; Rotate in the direction indicated by C, and at the same time drive the second connecting member 70, the supporting leg 30 and the chassis 50 to rotate in the direction indicated by arrow C in FIG. 1, and rotate the supporting leg 40 in the opposite direction indicated by arrow A in FIG. Simultaneously, the first connector 60 is driven to rotate in the opposite direction indicated by the arrow A in Fig. 1 until the driver 20, the second connector 70, the legs 30, the chassis 50, the first connector 60 and the legs 40 are folded together. Together, the baby carriage frame 100 is about to be folded to the folded state shown in FIG. The engagement of the second connecting member 70 is in the unlocked state. When the baby carriage frame 100 is folded, the operating member 11 can also be lifted up in the vertical direction when the operating member 11 is rotated. The driver 20, the second The two connecting parts 70, the supporting legs 30, the chassis 50, the first connecting part 60 and the supporting legs 40 will rotate vertically downward under the action of gravity to be folded together, and the stroller frame 100 can also be folded to In the folded state shown in Figure 6, the operation is simpler and quicker. When the baby carriage frame 100 shown in FIG. 6 is unfolded when the folding operation is completed to the baby carriage frame 100 in a fully unfolded state after the unfolding operation shown in FIG. Rotate in the direction indicated by the arrow E, and rotate the supporting leg 40 in the direction indicated by the arrow D in FIG. The direction of the rotation, the first connecting member 60 is driven by the foot 40 to rotate in the direction indicated by the arrow D in Figure 6; The second slope structure 72 pushes against the first slope structure 135 of the engaging member 13, and drives the engaging member 13 to move away from the second slope structure 72, so as to allow the first connecting member 60 and the second connecting member 70 to move. Continue to rotate until the driver 20 and the legs 40 rotate until the baby carriage frame 100 is in the fully unfolded state shown in FIG. One engaging portion 134 is also butted in a straight line with the second engaging portion 71 on the second connecting member 70, and the engaging member 13 is pushed by the elastic force of the first elastic element 14 so that the first engaging portion 134 moves along the 2 or 3, move in the opposite direction indicated by the arrow B to the locked position (as shown in FIG. 3 ) engaged with the second engaging portion 71, so that the folding mechanism 10 locks the unfolded state of the stroller frame 100 ( As shown in FIG. 1 ), the unfolding and locking operations of the stroller frame 100 are finally completed.

The working principle of the folding operation of the stroller in the second embodiment of the present invention will be described in detail with reference to the accompanying drawings 7 to 13 . The difference between the baby carriage and the folding mechanism 10 ′ of the present embodiment and the baby carriage and the folding mechanism 10 of the first embodiment is that the first connecting member 60 of the baby carriage frame 100 ′ of the baby carriage of the present embodiment is pivoted. The second connecting member 70 is pivotally connected to the leg 40 to form a pivot point P5 . The operating part 11 of the folding mechanism 10' in this embodiment is pivotally connected to the engaging seat 12, one end of the operating part 11 extends into the engaging seat 12 and is set in linkage with the engaging part 13, and the other end of the operating part 11 protrudes The engaging seat 12, the pivot point of the operating member 11 is located between the two ends of the operating member 11, that is, the position of the pivot point of the operating member 11 in this embodiment is different from the position of the pivot point of the operating member 11 in the first embodiment . The first elastic element 14 of the folding mechanism 10' of this embodiment is connected between the engaging part 13 and the engaging seat 12, which is different from the first elastic element 14 connected between the engaging part 13 and the second engaging seat 12 in the first embodiment. between a connector 60 . Moreover, the retracting mechanism 10 ′ of this embodiment is not provided with a stopper 15 , and the engaging member 13 is not provided with a reset cavity 132 and a sleeve block 133 . In addition, in this embodiment, the specific structures of the first engaging portion 134 of the engaging member 13 and the second engaging portion 71 of the second connecting member 70 are also different from the first engaging portion 134 in the first embodiment. and the specific structure of the second engaging part 71, and the folding mechanism 10' of this embodiment also omits the second slope structure 72 in the first embodiment and only retains the first slope structure 135, which can also realize the baby When the vehicle is unfolding, there is no need to operate the rotating operation part 11 again, only the end face of the second connecting part 70 toward the first connecting part 60 is pushed against the first inclined-plane structure 135 to make the engaging part 13 move out of the way. Enough pivoting space is provided for the second connecting member 70 , so that the unfolding operation of the first connecting member 60 and the second connecting member 70 is smoother, and the operation is simpler and quicker. That is to say, in this embodiment, the first engaging portion 134 is an engaging block, and the engaging block has a first slope structure 135 along the sliding direction of the engaging member 13; the second connecting member 70 is rotated so that the second engaging During the process of engaging the first engaging part 134 with the first engaging part 71, the second connecting part 70 slides against the first inclined surface structure 135 to drive the engaging part 13 to slide; the second engaging part 71 is an L-shaped Type structure of the engaging groove. The retractable mechanism 10' of this embodiment also includes a safety lock assembly 16, which locks and prohibits the pivoting of the operating member 11 or releases the lock to allow the pivoting of the operating member 11, that is, in the retracting mechanism 10' of this embodiment A safety measure for the rotation of the second locking or unlocking operating member 11 is added. That is, in this embodiment, when the baby carriage frame 100' shown in FIG. The closing operation goes through the state shown in FIG. 12 until the closing operation is completed and it is in a fully folded state. Before turning the operating member 11, it is necessary to push the pressing part 161c to make the third engaging part 161a of the locking member 161 disengage from the operating member. The engagement of the fourth engaging portion 114 of 11 means that the operating member 11 can be rotated and folded only after the operating member 11 is released. And in this embodiment, when the user presses the pressing portion 161c of the locking member 161, the third engaging portion 161a will disengage from the engaging with the fourth engaging portion 114, and the sixth engaging portion 161b will rotate to At the position opposite to the fifth engaging portion 163a, the third elastic member 164 elastically pushes the fifth engaging portion 163a to move to engage with the sixth engaging portion 161b, when the fifth engaging portion 163a engages with the sixth engaging portion 163a When the engaging portion 161b is closed, the third engaging portion 161a of the locking member 161 remains in a state of not being engaged with the fourth engaging portion 114 , that is, the locking member 161 is released to allow the rotation of the operating member 11 . And during the process of the rotating operating member 11 driving the engaging member 13 to engage with the second connecting member 70, the operating member 11 pushes the fourth inclined surface structure 163c to drive the fifth engaging portion 163a to disengage from the engagement with the sixth engaging portion 161b. so as to reset the locking member 161 and then engage the third engaging portion 161 a with the fourth engaging portion 114 of the operating member 11 . Except for the above differences, other operating principles are the same as those of the stroller and the folding mechanism 10 of the first embodiment, so details will not be repeated here.

Since the engaging seat 12 of the folding mechanism 10, 10' of the present invention is installed on the first connecting member 60, and the engaging seat 12 is also pivotally connected to the second connecting member 70, the engaging member 13 is slidably arranged on the engaging The seat 12 and/or the first connecting member 60 can be selectively engaged with the second connecting member 70, and the operating member 11 is arranged on the engaging seat 12 or the first connecting member 60 and can drive the engaging member 13 to release and engage with the second connecting member 70. The engagement of the connector 70; when the operating member 11 drives the engaging member 13 to release the engagement on the second connecting member 70, the operating member 11 drives the first connecting member 60 and the second connecting member 70 to close each other through the engaging seat 12 In combination, the pivotal folding between the supporting leg 40 and the supporting leg 30 is realized. Therefore, it is only necessary to turn the operating part 11 with one hand to drive the engaging part 13 to release the engagement with the second connecting part 70, and then lift the operating part 11 upwards to realize the folding of the stroller frame 100, 100' with one hand. Therefore, The folding mechanism 10, 10' of the present invention facilitates the folding operation of the stroller frame 100, 100' and has the advantage of a simple structure. Since the baby carriage of the present invention has the above-mentioned folding mechanism 10, 10', the baby carriage of the present invention has the advantages of convenient folding operation and simple structure.

The present invention has been described above in conjunction with the embodiments, but the present invention is not limited to the above disclosed embodiments, but should cover various modifications and equivalent combinations made according to the essence of the present invention.

Claims (20)

1. a kind of retracting mechanism, suitable for baby carriage frame, the baby carriage frame includes the first connector, the second connector and can phase The leg and spike of folding are mutually pivoted, one end of first connector is articulated in one of described leg and spike, described One end of second connector is articulated in the other of described leg and spike, and the retracting mechanism is arranged on first connector And second connector the other end between and forbid or allow mutually folding for first connector and the second connector, it is special Sign is that the retracting mechanism includes operating parts, block base and fastener, and the block base is installed on first connector, And the block base is also pivotally connected with second connector, the fastener is slidably arranged on the block base and/or first Connector simultaneously selectively fastens with second connector, and the operating parts is arranged on the block base or the first connector simultaneously Fastener release engaging with second connector can be driven；When the operating parts drives the fastener release to institute The engaging of the second connector is stated, then the operating parts drives first connector and the second connector phase by the block base Mutually fold and realize the pivot folding between the leg and spike；Wherein, one of the fastener and the second connector With the first holding section, corresponding be equipped with of the other of the fastener and the second connector engages with first holding section The second holding section coordinated；The fastener along hinder the operating parts pivoting direction towards extend at the operating parts one by Pushed section, the operating parts have the pushing part for coordinating pushing tow with the pushed part, and the rotating operating parts passes through the pushing tow Portion and pushed part, which coordinate, drives the fastener to slide.

2. retracting mechanism as claimed in claim 1, it is characterised in that one end of the operating parts is articulated in the block base Interior, the other end of the operating parts stretches out the block base and the setting with the fastener in linkage, rotates the operating parts The fastener can be then driven to depart from the engaging with second connector.

3. retracting mechanism as claimed in claim 2, it is characterised in that the pushing part is a tilted slotted hole, and the pushed part is One pillar, the pillar are stretched into the tilted slotted hole in clearance fit.

4. retracting mechanism as claimed in claim 2, it is characterised in that the fastener is in slidably to be built in described first Connector, the pushed part also pass through first connector in clearance fit.

5. retracting mechanism as claimed in claim 1, it is characterised in that the operating parts is articulated in the block base, the behaviour The block base is stretched into one end of workpiece and the setting with the fastener in linkage, the operating parts other end stretch out the card Seat is closed, the pivoting point of the operating parts is located between the both ends of the operating parts, and the card can then be driven by rotating the operating parts Component departs from the engaging with second connector.

6. retracting mechanism as claimed in claim 5, it is characterised in that the pushing part is a tilted slotted hole, and the pushed part is One pillar, the pillar are stretched into the tilted slotted hole in clearance fit.

7. retracting mechanism as claimed in claim 5, it is characterised in that the fastener is in be slidably arranged on the engaging Seat, the pushed part also pass through the block base in clearance fit.

8. retracting mechanism as claimed in claim 1, it is characterised in that further include one first flexible member, first elasticity Element is connected between the fastener and the block base or the first connector.

9. retracting mechanism as claimed in claim 8, it is characterised in that further include a stop part, the stop part is connected to institute State on block base, one end of first flexible member is connected to the fastener, and the other end of first flexible member supports It is connected to the stop part.

10. retracting mechanism as claimed in claim 9, it is characterised in that the stop part is also connected to first connector.

11. retracting mechanism as claimed in claim 1, it is characterised in that first holding section is stuck in second holding section, Then first connector with the second connector is linear docks.

12. retracting mechanism as claimed in claim 1, it is characterised in that first holding section is convex for an engaging, and the card Closing the glide direction of fastener described in convex edge has the first ramp structure, and second connector faces the end of the fastener With with matched second ramp structure of first ramp structure, second holding section is an engaging slot, and described Engage the end that slot faces the fastener through second connector.

13. retracting mechanism as claimed in claim 1, it is characterised in that first holding section is a clamping block, and the card Close block has the first ramp structure along the glide direction of the fastener；Second connector, which turns to, makes second engaging During the position that portion fastens with first holding section, second connector slides and contacts at first inclined-plane knot Structure is to drive the fastener to slide；Second holding section is a slot in L font structures.

14. retracting mechanism as claimed in claim 2, it is characterised in that further include a safe lock set, the safe lock set Locking forbids the operating parts pivot or release the lock to allow the operating parts to pivot.

15. retracting mechanism as claimed in claim 14, it is characterised in that the safe lock set includes locking piece and the second bullet Property element, the locking piece is articulated in the block base, and the pivoting centre line of the locking piece is perpendicular to the operating parts Pivoting centre line, one end of the locking piece have one the 3rd holding section, and second flexible member is connected to the block base And the other end of the locking piece, the side away from second flexible member is exposed to the block base on the locking piece Outside, the pivoting point of the locking piece are located between the both ends of the locking piece, and the operating parts offers one and supplies the described 3rd 4th holding section of holding section engaging.

16. retracting mechanism as claimed in claim 15, it is characterised in that the security component further include a release the lock maintain part and One the 3rd flexible member, the release the lock maintain the block base that is arranged at of part slip, and the release the lock maintains one end of part to have One the 5th holding section extended to form towards the locking piece, the locking piece close to one end of the 5th holding section have one with 5th holding section is in the 6th holding section of snap fit, and the 3rd flexible member is connected to the release the lock and maintains the another of part The release the lock is driven to maintain part is permanent there is the trend for being moved to the locking piece between one end and the block base.

17. retracting mechanism as claimed in claim 1, it is characterised in that second connector and block base pivot joint One end is built in the block base, and the block base offers the avoidance chamber for the second connector pivot.

18. retracting mechanism as claimed in claim 1, it is characterised in that the operating parts includes and block base pivot joint Articulated section and the operation portion on the articulated section, the operation portion are set along the pivoting centre line direction of the operating parts Put.

19. a kind of perambulator, including baby carriage frame, the baby carriage frame includes the first connector, the second connector and can be mutual Pivoting the leg and spike folded, one end of first connector is articulated in one of described leg and spike, and described the One end of two connectors is articulated in the other of described leg and spike, it is characterised in that the perambulator is further included such as power Profit requires 1 to 18 any one of them retracting mechanism.

20. perambulator as claimed in claim 19, it is characterised in that the baby carriage frame also includes driver and chassis, described Driver is in turn articulated on the leg and spike, and the driver is located at the top of the retracting mechanism；The chassis pivot It is connected between the spike and leg, and the chassis is located at the lower section of the driver.