CN216089794U - Folding mechanism and baby braces - Google Patents

Abstract

The utility model provides a folding mechanism, which comprises a supporting part, a folding assembly and a folding switch, wherein the folding switch of the folding mechanism provided by the utility model is movably clamped on a first folding joint along the extending direction of a rotating axis, and a clamping convex block can selectively extend into or withdraw from a first clamping groove so that the first folding joint can rotate around the rotating axis relative to a second folding joint; when the block lug stretches into first joint recess, first folding joint is prevented to rotate relatively with the second folding joint, when the block lug withdraws from first joint recess, first folding joint rotates relatively with the second folding joint, thereby change the angle of contained angle, make folding mechanism have expansion state and fold condition, the user can be at expansion state and fold condition conversion freely, whole volume is littleer when expansion state when folding mechanism is fold condition, the accommodation space when not using has significantly reduced, make going out to carry more convenient.

Description

Folding mechanism and baby braces

Technical Field

The utility model belongs to the technical field of baby products, and particularly relates to a folding mechanism and a baby carrier.

Background

Parents or other guardians often have a need to carry a baby out, and therefore, a folding mechanism product needs to be designed to enable the hands of the parents to be released from the condition of holding the baby. The use of the folding mechanism not only can save more labor for parents, but also can ensure that the infant and the parents have more physical contact, so that the infant has a sense of security, and the parents can observe the condition of the infant at any time.

The existing folding mechanism comprises a cushion connected below a back cushion, the cushion is of a block structure, and the cushion is wrapped in a folding mechanism body, so that the function of the cushion is realized, the cushion occupies the space, is inconvenient to carry due to overlarge volume, and is inconvenient to operate, so that the whole folding mechanism is clumsy to use.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a folding mechanism and a baby carrier, and aims to solve the technical problems that the folding mechanism occupies a large space, is inconvenient to carry due to an overlarge size and is inconvenient to operate, and the whole folding mechanism is clumsy to use.

In order to achieve the purpose, the utility model adopts the technical scheme that: there is provided a folding mechanism comprising:

the folding assembly comprises a first folding joint and a second folding joint which are connected, and the second folding joint is provided with a first clamping groove;

the bearing part is connected with the first folding joint;

the supporting part is connected with the second folding joint, an included angle is formed between a supporting plane defined by the supporting part and a bearing plane defined by the bearing part, and the first folding joint can rotate relative to the second folding joint around a rotating axis so as to change the angle of the included angle;

the folding switch is movably clamped on the first folding joint along the extending direction of the rotating axis and is provided with a clamping convex block, and the clamping convex block can selectively extend into or withdraw from the first clamping groove;

when the clamping convex block stretches into the first clamping groove, the first folding joint and the second folding joint are prevented from rotating relatively, and when the clamping convex block exits from the first clamping groove, the first folding joint and the second folding joint rotate relatively.

Further, the clamping convex block is positioned to extend into the first clamping groove when the included angle is any one angle selected from 90-140 degrees.

Further, the clamping convex block is positioned to extend into the first clamping groove when the included angle is any one angle selected from 120-125 degrees.

Furthermore, a limiting boss is formed on the outer surface of the second folding joint, and a limiting groove corresponding to the limiting boss is formed on the first folding joint;

the limit groove is configured to be in abutting fit with the limit boss to limit a change range of an angle of the included angle.

Further, the angle of the included angle changes in a range greater than 0 ° and less than 140 °.

Further, the clamping convex block is positioned to extend into the first clamping groove when the included angle is the maximum value of the change range.

Further, the second joint that folds still has second joint recess, first joint recess for the first angle setting of contained angle, in order when the contained angle is first angle with block lug cooperation stops first joint that folds with the second joint that folds rotates relatively, second joint recess for the second angle setting of contained angle, in order when the contained angle is the second angle with block lug cooperation stops first joint that folds with the second joint that folds rotates relatively.

Further, the first angle is any angle selected from 120 degrees to 130 degrees, and the second angle is any angle selected from 0 degrees to 10 degrees.

Furthermore, the supporting part and the supporting part are both of U-shaped structures, and the folding mechanism comprises two folding assemblies;

the two ends of the supporting part are respectively connected with the first folding joint of one folding component and the first folding joint of the other folding component, and the two ends of the supporting part are respectively connected with the second folding joint of one folding component and the second folding joint of the other folding component.

Furthermore, the supporting part is made of metal, and the supporting part is made of plastic.

Further, the clamping device further comprises an elastic piece, and the elastic piece is configured to push or pull the clamping convex block towards the position where the clamping convex block can extend into the first clamping groove.

Furthermore, the second folding joint is provided with two first clamping grooves, the folding switch is provided with two clamping convex blocks, the two first clamping grooves are respectively arranged oppositely, and each first clamping groove is correspondingly clamped with one clamping convex block.

A baby carrier comprises the folding mechanism, a carrier body and a lining; the folding mechanism is detachably mounted on the strap body, and the lining sleeves the folding mechanism.

The folding mechanism provided by the utility model has the beneficial effects that: compared with the prior art, the folding mechanism has the advantages that the supporting part is connected with the first folding joint, the supporting part is connected with the second folding joint, the supporting plane defined by the supporting part and the supporting plane defined by the supporting part form an included angle, and the first folding joint can rotate around the rotation axis and the second folding joint relatively to change the included angle; the folding switch is movably clamped on the first folding joint along the extending direction of the rotating axis, and the clamping convex block can selectively extend into or withdraw from the first clamping groove; when the clamping convex block extends into the first clamping groove, the first folding joint and the second folding joint are prevented from rotating relatively, and when the clamping convex block exits from the first clamping groove, the first folding joint and the second folding joint rotate relatively; through block lug alternative stretches into or withdraws from first joint recess, so that first folding joint can around the axis of rotation with the second folding joint rotates relatively, thereby changes the angle of contained angle is in order to make folding mechanism have expansion state and fold condition, and the user can be at expansion state and fold condition conversion freely, and whole volume is littleer when folding mechanism is fold condition for expansion state, and the accommodation space when not using has significantly reduced for it is more convenient to go out to carry.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

Fig. 1 is a schematic perspective view of a folding mechanism in an unfolded state according to an embodiment of the present invention;

fig. 2 is an exploded view of the folding mechanism in an unfolded state according to an embodiment of the present invention;

fig. 3 is a front view schematically illustrating a folding mechanism according to an embodiment of the present invention in an unfolded state;

FIG. 4 is a sectional view taken along line A-A of FIG. 3;

FIG. 5 is a sectional view taken along line B-B of FIG. 3;

FIG. 6 is a schematic perspective view and a schematic front view of a folding assembly in an unfolded state according to an embodiment of the present invention;

FIG. 7 is a cross-sectional structural view taken along lines C-C and D-D in the front view configuration of the folding assembly of FIG. 6 in an unfolded state;

fig. 8 is a first perspective view illustrating a folding mechanism according to an embodiment of the present invention in a folded state;

fig. 9 is a schematic perspective view illustrating a folding mechanism according to an embodiment of the present invention in a folded state;

FIG. 10 is a front view of a folding mechanism in a folded configuration in accordance with an embodiment of the present invention;

FIG. 11 is a sectional view taken along line E-E of FIG. 10;

FIG. 12 is a sectional view taken along line F-F in FIG. 10;

FIG. 13 is a perspective view of a folding assembly in a folded configuration, in accordance with an embodiment of the present invention;

FIG. 14 is a front view of a folding assembly in a folded configuration in accordance with an embodiment of the present invention;

FIG. 15 is a sectional structural view taken along lines G-G and H-H in FIG. 14;

fig. 16 is a schematic diagram of a folding switch, a second folding joint, a snap gear, and an exploded structure in a folded state or an unfolded state according to an embodiment of the present invention;

FIG. 17 is the front view structural schematic diagram of FIG. 16 and a sectional structural view taken along line I-I in the front view;

fig. 18 is a schematic view of a folding switch, a second folding joint, a snap gear, and an explosion structure in a folded state according to an embodiment of the present invention;

FIG. 19 is the front view structural schematic diagram of FIG. 18 and a sectional structural view taken along line J-J in the front view;

FIG. 20 is a perspective view of a second folding joint used in accordance with one embodiment of the present invention;

FIG. 21 is a perspective view of a first folding joint used in accordance with an embodiment of the present invention;

FIG. 22 is a schematic perspective view of a folding switch according to an embodiment of the present invention;

FIG. 23 is a schematic perspective view of a snap gear according to an embodiment of the present invention;

FIG. 24 is a schematic view of an internal structure of a baby carrier according to an embodiment of the present invention;

FIG. 25 is a schematic perspective view of a folding mechanism according to another embodiment of the present invention in an unfolded state;

FIG. 26 is a schematic view of an internal structure of a baby carrier according to another embodiment of the present invention.

Wherein, in the figures, the respective reference numerals:

10. a folding mechanism; 20. a harness body; 21. connecting the shoulder straps; 22. a back pad; 23. connecting the waistband; 1. a bearing part; 2. a support portion;

3. a folding assembly; 31. a first folding joint; 311. a limiting groove; 3111. a first side surface of the limiting groove; 3112. a second side surface of the limiting groove; 312. clamping and connecting; 313. a first through hole; 314. a second through hole;

32. a second folding joint; 321. a card slot; 322. a limiting boss; 3221. a first side surface of the limit boss; 3222. a second side surface of the limit boss;

33. a folding switch; 331. a limiting pin; 3311. clamping the convex block; 3312. a switch groove; 332. clamping a pin; 3321. a first penetration portion; 3322. a clamping part;

34. engaging a gear; 341. a first clamping groove; 342. unlocking the boss; 343. a rotating space; 344. a clamping block;

35. an elastic member; 36. a gasket; 37. and (7) connecting the shafts.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and is therefore not to be construed as limiting the utility model.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Referring to fig. 1 to 26, the present invention provides a folding mechanism 10 and a baby carrier; the baby carrier comprises a folding mechanism 10, a carrier body 20 and a lining; the folding mechanism 10 is detachably mounted on the strap body 20, and the bushing is sleeved on the folding mechanism 10; further, the harness body 20 is provided with a connecting shoulder strap 21, a back pad 22 and a connecting waist belt 23.

Further, referring to fig. 25 and 26, as an embodiment of the folding mechanism provided by the present invention, the supporting portion 1 is made of metal, and the supporting portion 2 is made of plastic.

Understandably, the metal material is not easy to deform when stressed, so that the bearing part 1 is made of the metal material, can stabilize children to sit on the bearing part and is not easy to slide, the stability of the bearing part 1 is improved, and the use is safe and reliable; when the abdomen-pressing type folding chair is used, the buffering force of the plastic material for pressing the abdomen is good, the pressing feeling is not obvious, a large storage space is provided, and the abdomen-pressing type folding chair is convenient to store and carry after being folded, so that the supporting part 2 is made of the plastic material and can relieve the pressing capacity of the abdomen of a wearer; therefore, the supporting part 1 is made of metal and the supporting part 2 is made of plastic, so that the problem of stress buffering of the abdomen is solved, and the problems of stability and safety of a child sitting on the seat are also solved.

Referring to fig. 1 to 15, a folding mechanism 10 according to the present invention will now be described. The folding mechanism 10 comprises a supporting part 1, a supporting part 2 and a folding assembly 3, wherein the folding assembly 3 comprises a first folding joint 31 and a second folding joint 32 which are connected, and the second folding joint 32 is provided with a first clamping groove 341; the supporting part 1 is connected with the first folding joint 31; the supporting part 2 is connected with the second folding joint 32, an included angle is formed between a supporting plane defined by the supporting part 2 and a supporting plane defined by the supporting part 1, and the first folding joint 31 can rotate relative to the second folding joint 32 around a rotating axis so as to change the angle of the included angle; the supporting part 1 and the supporting part 2 rotate relatively through the folding assembly 3, so that the supporting part 2 and the supporting part 1 can be in an unfolding state or a folding state; when the support part 2 and the support part 1 are in the unfolded state, the angle between the two is preferably greater than 90 degrees and less than 180 degrees, and more preferably, the angle between the two is in the range of 120 degrees to 125 degrees; when the support part 2 and the support part 1 are folded, the angle between the two is in the range of 0-10 degrees.

Further, referring to fig. 1 to fig. 15 together, as an embodiment of the folding mechanism provided by the present invention, the folding assembly 3 includes a first folding joint 31 and a second folding joint 32, the first folding joint 31 is fixed on the supporting portion 2, the second folding joint 32 is fixed on the supporting portion 1, and the first folding joint 31 and the second folding joint 32 are rotatably connected.

Further, referring to fig. 1 to fig. 15 together, as an embodiment of the folding mechanism provided by the present invention, the folding assembly 3 further includes a folding switch 33, the folding switch 33 is movably clamped on the first folding joint 31 along the extending direction of the rotation axis, the folding switch 33 has a clamping protrusion 3311, and the clamping protrusion 3311 can selectively extend into or withdraw from the first clamping groove 341; when the clamping protrusion 3311 extends into the first clamping groove 341, the first folding joint 31 and the second folding joint 32 are prevented from rotating relatively, and when the clamping protrusion 3311 exits from the first clamping groove 341, the first folding joint 31 and the second folding joint 32 rotate relatively. Understandably, the folding switch 33 may allow the first folding joint 31 to be relatively opposed to the second folding joint 32 and prevent the first folding joint 31 and the second folding joint 32 from being relatively rotated.

Understandably, in the first embodiment, the engaging protrusion 3311 is positioned to extend into the first engaging groove 341 when the included angle is any one angle selected from 90 ° to 140 °. More preferably, the engaging protrusion 3311 is positioned to extend into the first engaging groove 341 when the included angle is any one angle selected from 120 ° to 125 °. Understandably, the engaging protrusion 3311 may extend into the first engaging groove 341 when the included angle is any one angle selected from 90 ° to 140 °, so that the first folding joint 31 and the second folding joint 32 are prevented from rotating relatively, and the supporting portion 2 and the supporting portion 1 are in an unfolded state; when the supporting part 2 and the supporting part 1 are folded, the angle between the supporting part and the supporting part is in the range of 0-10 degrees; when the folding mechanism is used, the folding switch 33 is touched lightly, the clamping convex block 3311 exits from the first clamping groove 341, the first folding joint 31 and the second folding joint 32 rotate relatively, and the folding mechanism 10 can be folded, so that the folding mechanism 10 is in a folding state, the folding switch 33 is not touched and pressed, the folding mechanism 10 is locked and cannot be folded by itself, and the folding mechanism has safety; the folding mechanism 10 is opened without touching and pressing the folding switch 33, and the supporting part 2 and the bearing part 1 of the folding mechanism 10 are directly pulled open, so that the operation is convenient.

In the second embodiment, the second folding joint 32 includes a first clamping groove 341 and a second clamping groove, the first clamping groove 341 is disposed at a first angle relative to the included angle to cooperate with the clamping protrusion 3311 to prevent the first folding joint 31 and the second folding joint 32 from rotating relatively when the included angle is the first angle, and the second clamping groove is disposed at a second angle relative to the included angle to cooperate with the clamping protrusion 3311 to prevent the first folding joint 31 and the second folding joint 32 from rotating relatively when the included angle is the second angle; further, the first angle is any angle selected from 120-130 degrees, and the second angle is any angle selected from 0-10 degrees; preferably, the first angle is any one selected from 120-125 degrees, and the second angle is any one selected from 0-5 degrees; understandably, the engaging protrusion 3311 is positioned to extend into the first engaging groove 341 when the first angle is any one selected from 120 ° to 130 °, and the engaging protrusion 3311 is positioned to extend into the first engaging groove 341 when the second angle is any one selected from 0 ° to 10 °; when the folding mechanism is used, the folding switch 33 is touched lightly, the clamping protrusion 3311 will exit from the first clamping groove 341, the first folding joint 31 and the second folding joint 32 will rotate relatively, and the folding mechanism 10 can be folded, and when the folding mechanism rotates to the second angle, the clamping protrusion 3311 extends into the first clamping groove 341, and the first folding joint 31 and the second folding joint 32 are prevented from rotating relatively, so that the folding mechanism 10 is in a folded state; open folding mechanism 10 needs touch press folding switch 33 makes block lug 3311 withdraw from first joint recess 341, first folding joint 31 with second folding joint 32 rotates relatively, rotates extremely during first angle, block lug 3311 stretches into first joint recess 341, first folding joint 31 with second folding joint 32 is prevented relative rotation, folding mechanism 10 is the state of expanding, opens or packs up folding mechanism 10 all need touch press folding switch 33 has the security.

Further, referring to fig. 1 to fig. 20, as a specific embodiment of the folding mechanism provided by the present invention, the folding assembly 3 further includes a fastening gear 34, the folding switch 33 is disposed on the first folding joint 31 in a penetrating manner, the fastening gear 34 is disposed in the second folding joint 32, the fastening gear 34 is fixed in the second folding joint 32, wherein the fastening gear 34 may be detachably disposed in the second folding joint 32, and the fastening gear 34 may also be integrally formed with the second folding joint 32, which is not limited in the present invention.

Understandably, when the engaging protrusion 3311 extends into the first engaging groove 341, the first folding joint 31 and the second folding joint 32 are prevented from rotating relatively, and when the engaging protrusion 3311 exits from the first engaging groove 341, the first folding joint 31 and the second folding joint 32 rotate relatively; understandably, the folding switch 33 can allow the support part 2 and the bearing part 1 to rotate relatively and prevent the support part 2 and the bearing part 1 from rotating relatively; further, the folding switch 33 is movably engaged with the engaging gear 34 along the direction in which the rotation axis extends, so as to achieve engagement and unlocking between the first folding joint 31 and the second folding joint 32.

Further, referring to fig. 1 to 12, as an embodiment of the folding mechanism provided by the present invention, the supporting portion 1 and the supporting portion 2 are both U-shaped, so as to substantially reduce the weight and volume of the folding mechanism. It will be appreciated that the folding mechanism comprises two folding assemblies 3; two ends of the supporting part 1 are respectively connected with the first folding joint 31 of one of the folding assemblies 3 and the first folding joint 31 of the other folding assembly 3, and two ends of the supporting part 2 are respectively connected with the second folding joint 32 of one of the folding assemblies 3 and the second folding joint 32 of the other folding assembly 3; therefore, the left folding switch 33 and the right folding switch 33 are respectively arranged on the two sides of the supporting part 2, the operation can be effective only by simultaneously pressing the left folding switch 33 and the right folding switch 33, and the operation is invalid only by pressing one of the left folding switch 33 and the right folding switch 33 and locking the other folding switch. When the engaging protrusion 3311 extends into the first engaging groove 341 and the first folding joint 31 and the second folding joint 32 are prevented from rotating relatively, a user must press the two folding switches 33 at the same time to make the engaging protrusion 3311 exit the first engaging groove 341, so that the supporting portion 1 and the supporting portion 2 rotate relatively to change the angle of the included angle, thereby preventing the supporting portion 1 and the supporting portion 2 from being folded by the weight of the infant or the external force accidentally to cause a danger.

Further, referring to fig. 13 to 23, the second folding joint 32 has two first clamping grooves 341, in this embodiment, the second folding joint 32 includes a clamping gear 34, and the clamping gear 34 is provided with two first clamping grooves 341 and a rotating space 343; the two first clamping grooves 341 are respectively and oppositely arranged, the folding switch 33 is provided with two clamping lugs 3311, the two first clamping grooves 341 are respectively and oppositely arranged, and each first clamping groove 341 is correspondingly clamped with one clamping lug 3311; in this embodiment, the two engaging protrusions 3311 of the folding switch 33 can selectively extend into or withdraw from the corresponding two first engaging grooves 341; when the supporting portion 2 and the supporting portion 1 are in an unfolded state, the two clamping protrusions 3311 of the folding switch 33 are clamped on the two corresponding first clamping grooves 341; when the supporting portion 2 and the supporting portion 1 are folded, the two engaging protrusions 3311 of the folding switch 33 are separated from the corresponding two first engaging grooves 341, and the engaging protrusions 3311 are limited to be located below the first engaging grooves 341 in the rotating space 343. As an extension, four first clamping grooves 341 are provided on the clamping gear 34, and every two first clamping grooves 341 are respectively arranged oppositely; when the supporting portion 2 and the supporting portion 1 are folded, and the included angle is any one angle selected from 90 ° to 140 °, for example, when the included angle is 120 °, the two engaging protrusions 3311 of the folding switch 33 are engaged with the two corresponding first engaging grooves 341; when the angle of the included angle is 125 °, the other two of the engaging protrusions 3311 of the folding switch 33 are engaged with the corresponding other two of the first engaging grooves 341, so that the engaging protrusions 3311 can be engaged with the first engaging grooves 341 at any defined angles, and accordingly, the number of the first engaging grooves 341 can be 1, 2, 4, etc. without limitation, and the principle is the same and is not repeated herein.

Compared with the prior art, the folding mechanism 10 provided by the utility model has the advantages that the supporting part 1 is connected with the first folding joint 31, the supporting part 2 is connected with the second folding joint 32, the supporting plane defined by the supporting part 2 and the supporting plane defined by the supporting part 1 form an included angle, and the first folding joint 31 can rotate relative to the second folding joint 32 around a rotation axis to change the included angle; the folding switch 33 is movably clamped on the first folding joint 31 along the extending direction of the rotation axis, and the clamping protrusion 3311 can selectively extend into or withdraw from the first clamping groove 341; when the engaging protrusion 3311 extends into the first engaging groove 341, the first folding joint 31 and the second folding joint 32 are prevented from rotating relatively, and when the engaging protrusion 3311 exits from the first engaging groove 341, the first folding joint 31 and the second folding joint 32 rotate relatively; through block lug 3311 selectively stretches into or withdraws from first joint recess 341, so that first folding joint 31 can around the axis of rotation with second folding joint 32 rotates relatively, thereby changes the angle of contained angle is in order to make folding mechanism have expansion state and fold condition, and the user can be at expansion state and fold condition conversion freely, folding mechanism is whole volume when fold condition is littleer when expanding the state, and the accommodation space when not using has significantly reduced for it is more convenient to go out to carry.

Further, referring to fig. 15 to 23, as a specific embodiment of the folding mechanism provided by the present invention, a plurality of slots 321 are disposed on an inner side wall of the second folding joint 32, and a plurality of blocks 344 are disposed on an outer side wall of the engaging gear 34; the clamping block 344 is inserted into the clamping groove 321 to be correspondingly clamped.

Further, referring to fig. 2 to 23, as a specific embodiment of the folding mechanism provided in the present invention, the connecting shaft 37 may be a rivet or a pin, and the present invention is not limited thereto; the connecting shaft 37 sequentially penetrates through the washer 36, the first folding joint 31, the clamping gear 34 and the second folding joint 32, one end of the connecting shaft 37 is riveted with the outer side of the washer 36, and the other end of the connecting shaft 37 is riveted with the outer side of the second folding joint 32.

Further, referring to fig. 15 to 23, as a specific embodiment of the folding mechanism provided by the present invention, the folding switch 33 further includes at least one limiting pin 331, and the first folding joint 31 is further provided with a first through hole 313; the engaging protrusion 3311 is disposed on the position-limiting pin 331, and the position-limiting pin 331 passes through the first through hole 313; the limit pin 331 is further provided with a switch groove 3312, and the engaging gear 34 further comprises an unlocking boss 342 corresponding to the first engaging groove 341; the switch groove 3312 passes the first through-hole 313 of the first folding joint 31 the supporting part 2 with when being folded state between the supporting part 1, the block lug 3311 of the folding switch 33 is limited below the unlocking boss 342 of the block gear 34, and the unlocking boss 342 is limited in the switch groove 3312.

Further, referring to fig. 15 to 23, as a specific embodiment of the folding mechanism provided by the present invention, the folding switch 33 includes at least one clamping pin 332, the clamping pin 332 includes a first through portion 3321 and a clamping portion 3322, and the first folding joint 31 is provided with a clamping position 312 and a second through hole 314; first wear to establish portion 3321 with joint portion 3322 integrated into one piece, first wear to establish portion 3321 and make bending type that makes progress joint portion 3322, first wear to establish portion 3321 and pass second through-hole 314, just joint portion 3322 joint is in on the joint position 312, optionally, joint portion 3322 is hook-like structure, just joint portion 3322 joint is in on the joint position 312 to guarantee that this folding switch 33 can not deviate from first folding joint 31.

Further, referring to fig. 15 to 23, as a specific embodiment of the folding mechanism provided by the present invention, the folding switch 33 includes two limiting pins 331 and two locking pins 332, the two limiting pins 331 are symmetrically disposed, the two locking pins 332 are symmetrically disposed, and one locking pin 332 is disposed between two adjacent limiting pins 331.

Further, referring to fig. 2 to 23 together, as an embodiment of the folding mechanism provided by the present invention, the folding assembly 3 further includes an elastic member 35, wherein the elastic member 35 is configured to elastically push or pull the engaging protrusion 3311 towards a position where the engaging protrusion can extend into the first engaging groove 341. Optionally, the elastic member 35 may be a compression spring, and the utility model is not limited thereto; further, one end of the elastic member 35 abuts against the inside of the folding switch 33, and the other end of the elastic member 35 abuts against the first folding joint 31 through a washer 36; in one mode, when an external force is applied to push the foldable switch 33 downward, the engaging protrusion 3311 slides in a direction of exiting the first engaging groove 341, the elastic member 35 is compressed, and when the applied force is released, the elastic member 35 resets to slide the engaging protrusion 3311 in a direction of entering the first engaging groove 341; alternatively, when the folding switch 33 is pulled upward by an external force, the engaging protrusion 3311 slides in a direction to exit the first engaging groove 341, the elastic member 35 is stretched, and when the applied force is released, the elastic member 35 is reset to slide the engaging protrusion 3311 in a direction to enter the first engaging groove 341.

Further, referring to fig. 15 to 23, as an embodiment of the folding mechanism provided by the present invention, a limiting protrusion 322 is formed on an outer surface of the second folding joint 32, and a limiting groove 311 corresponding to the limiting protrusion 322 is formed on the first folding joint 31; the stopper recess 311 is configured to be in abutting engagement with the stopper projection 322 to limit a change range of the angle of the included angle. It should be understood that the arrangement positions of the limiting boss 322 and the limiting groove 311 may be reversed, and the same structure of the limiting boss 322 may be arranged on the second folding joint 32 or the first folding joint 31, which is not described herein again. Furthermore, the first side surface 3111 of the limiting groove may abut against the first side surface 3221 of the limiting boss, and the second side surface 3112 of the limiting groove may abut against the second side surface 3222 of the limiting boss, wherein the first side surface 3111 of the limiting groove is adjacent to the first side surface 3221 of the limiting boss, and the second side surface 3112 of the limiting groove is adjacent to the second side surface 3222 of the limiting boss. Preferably, the change range of the included angle is 0-140 degrees; as an embodiment, the engaging protrusion 3311 is positioned to extend into the first engaging groove 341 when the included angle is the maximum value of the change range, that is, when the included angle is 140 °, the engaging protrusion 3311 extends into the first engaging groove 341. As another embodiment, the engaging protrusion 3311 is positioned to extend into the first engaging groove 341 when the angle of the included angle is the maximum value of the changing range, and at the same time, the engaging protrusion 3311 is positioned to extend into the first engaging groove 341 when the angle of the included angle is the minimum value of the changing range, that is, when the angle of the included angle is 140 °, the engaging protrusion 3311 may extend into the first engaging groove 341, and simultaneously, when the angle of the included angle is 0 °, the engaging protrusion 3311 may also extend into the first engaging groove 341.

The operating principle of an embodiment of the folding mechanism 10 of the present invention is as follows:

referring to fig. 1 to 7, when the supporting portion 1 and the supporting portion 2 are adjusted to be in an unfolded state, the engaging protrusion 3311 of the folding switch 33 is engaged with the first engaging groove 341 of the engaging gear 34, and at this time, the folding switch 33 is in an ejecting state relative to the first folding joint 31, the first side surface 3111 of the limit groove is abutted against the first side surface 3221 of the limit boss, the first folding joint 31 and the second folding joint 32 cannot be unfolded continuously due to the first side face 3111 of the position-limiting groove being abutted against the first side face 3221 of the position-limiting boss, and cannot be folded due to the engagement of the engagement protrusion 3311 of the folding switch 33 with the first engagement groove 341 of the engagement gear 34, at this time, an included angle between a supporting plane defined by the supporting part 2 and a bearing plane defined by the bearing part 1 is fixed to be in an unfolding state of more than or equal to 90 degrees and less than or equal to 140 degrees.

Referring to fig. 7 to 15, the principle of adjusting the position between the support portion 1 and the support portion 2 from the unfolded state to the folded state is as follows, the folding switch 33 is pressed toward the inner side of the first folding joint 31 by using an external force, at this time, the elastic member 35 is in the compressed state, the folding switch 33 is in the compressed state relative to the first folding joint 31, the engaging protrusion 3311 of the folding switch 33 is disengaged from the first engaging groove 341 of the engaging gear 34, thereby pressing the support portion 1 to approach the support portion 2, and the support portion 1 rotates about the connecting shaft 37; at this time, the engaging protrusion 3311 of the folding switch 33 is limited in the rotating space 343 located below the first engaging groove 341, the unlocking protrusion 342 is limited in the switch groove 3312, the engaging protrusion 3311 of the folding switch 33 is limited below the unlocking protrusion 342 of the engaging gear 34, and the engaging protrusion 3311 abuts against the unlocking protrusion 342; the limiting boss 322 rotates in the limiting groove 311, the limiting boss 322 rotates in the limiting groove 311 until the second side 3112 of the limiting groove abuts against the second side 3222 of the limiting boss, at this time, the supporting portion 2 and the supporting portion 1 are folded, and an included angle between a supporting plane defined by the supporting portion 2 and a supporting plane defined by the supporting portion 1 is in a range of 0-10 degrees.

Referring to fig. 1 to 23, the principle of adjusting the folded state between the supporting portion 1 and the supporting portion 2 from the unfolded state to the folded state is that the folding switch 33 is pressed toward the outer side of the first folding joint 31 by using an external force, the limiting boss 322 rotates in the limiting groove 311 until the first side face 3111 of the limiting groove abuts against the first side face 3221 of the limiting boss, the engaging protrusion 3311 of the folding switch 33 is engaged with the first engaging groove 341 of the engaging gear 34, because the engaging protrusion 3311 of the folding switch 33 is engaged with the first engaging groove 341 of the engaging gear 34, the folding switch 33 cannot be unfolded, at this time, the elastic member 35 returns to the original position, the folding switch 33 is in the pop-up state with respect to the first folding joint 31, and the first folding joint 31 and the second folding joint 32 cannot be unfolded continuously due to the abutting joint between the first side face 3111 of the limiting groove and the first side face 3221 of the limiting boss 3221, at this time, the support portion 1 and the support portion 2 are fixed to each other in an unfolded state.

Therefore, when in use, the folding switch 33 is lightly touched and pressed, the folding state between the supporting part 2 and the supporting part 1 can be formed, and the folding mechanism 10 can be locked and can not be folded to be formed in the folding state without touching and pressing the folding switch 33, so that the folding mechanism has safety; the folding switch 33 is not needed for unfolding the folding mechanism 10, and the supporting part 2 and the bearing part 1 of the folding mechanism 10 can be directly pulled apart by external force, so that the operation is convenient.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims (13)

1. A folding mechanism, comprising:

the folding assembly comprises a first folding joint and a second folding joint which are connected, and the second folding joint is provided with a first clamping groove;

the bearing part is connected with the first folding joint;

the supporting part is connected with the second folding joint, an included angle is formed between a supporting plane defined by the supporting part and a bearing plane defined by the bearing part, and the first folding joint can rotate relative to the second folding joint around a rotating axis so as to change the angle of the included angle;

the folding switch is movably clamped on the first folding joint along the extending direction of the rotating axis and is provided with a clamping convex block, and the clamping convex block can selectively extend into or withdraw from the first clamping groove;

when the clamping convex block stretches into the first clamping groove, the first folding joint and the second folding joint are prevented from rotating relatively, and when the clamping convex block exits from the first clamping groove, the first folding joint and the second folding joint rotate relatively.

2. The folding mechanism of claim 1 wherein said engagement projection is positioned to extend into said first engagement recess when said included angle is any angle selected from the group consisting of 90 ° to 140 °.

3. The folding mechanism of claim 2 wherein said engagement projection is positioned to extend into said first engagement recess when said included angle is any angle selected from the group consisting of 120 ° to 125 °.

4. The folding mechanism of claim 1 wherein said second folding joint has a stop boss formed on an outer surface thereof, and said first folding joint has a stop recess formed therein corresponding to said stop boss;

the limit groove is configured to be in abutting fit with the limit boss to limit a change range of an angle of the included angle.

5. A folding mechanism according to claim 4, wherein said included angle varies by an angle greater than 0 ° and less than 140 °.

6. The folding mechanism of claim 5 wherein said snap tab is positioned to extend into said first snap recess when said included angle is at a maximum of said range of variation.

7. The folding mechanism of claim 1 wherein said second folding joint further comprises a second clamping groove, said first clamping groove is disposed at a first angle relative to said included angle to cooperate with said engaging protrusion to prevent said first folding joint and said second folding joint from rotating relative to each other when said included angle is a first angle, and said second clamping groove is disposed at a second angle relative to said included angle to cooperate with said engaging protrusion to prevent said first folding joint and said second folding joint from rotating relative to each other when said included angle is a second angle.

8. The folding mechanism of claim 7 wherein said first angle is any angle selected from the group consisting of 120 ° to 130 ° and said second angle is any angle selected from the group consisting of 0 ° to 10 °.

9. The folding mechanism of any of claims 1-8 wherein said support portion and said support portion are each of a U-shaped configuration, said folding mechanism including two folding assemblies;

the two ends of the supporting part are respectively connected with the first folding joint of one folding component and the first folding joint of the other folding component, and the two ends of the supporting part are respectively connected with the second folding joint of one folding component and the second folding joint of the other folding component.

10. The folding mechanism of any of claims 1-8, wherein said support portion is made of metal and said support portion is made of plastic.

11. The folding mechanism of any of claims 1-8, further comprising a resilient member configured to constantly resiliently urge or pull the snap-fit projection toward a position where it is extendable into the first snap-fit recess.

12. The folding mechanism of any one of claims 1 to 6, wherein the second folding joint has two first clamping grooves, the folding switch has two clamping protrusions, the two first clamping grooves are respectively arranged oppositely, and each first clamping groove is respectively clamped with one clamping protrusion correspondingly.

13. A baby carrier comprising the folding mechanism of claims 1-12, a carrier body, and a sleeve; the folding mechanism is detachably mounted on the strap body, and the lining sleeves the folding mechanism.

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