CN217778724U

CN217778724U - Folding joint structure of baby carriage

Info

Publication number: CN217778724U
Application number: CN202222118612.3U
Authority: CN
Inventors: 唐伟红; 沈海东
Original assignee: Kunshan Weikai Children Products Co Ltd
Current assignee: Kunshan Weikai Children Products Co Ltd
Priority date: 2022-08-12
Filing date: 2022-08-12
Publication date: 2022-11-11
Anticipated expiration: 2032-08-12

Abstract

The utility model discloses a folding joint structure of a baby carriage, which comprises a first connecting piece, a second connecting piece and a third connecting piece, wherein the first connecting piece and the third connecting piece are respectively connected with the second connecting piece in a rotating way; after the first locking mechanism is unlocked, when the first connecting piece rotates relative to the second connecting piece, the locking of the second locking mechanism is automatically released, and the folding joint is folded; the utility model discloses structural design is comparatively succinct, novel, and the equipment is convenient, and has reduced the volume of folding joint department.

Description

Folding joint structure of baby carriage

Technical Field

The utility model relates to a bassinet field especially relates to a folding joint structure of bassinet.

Background

The baby carriage is a necessary tool for the traveling of infants, and users pay more and more attention to the characteristics of small volume, foldability and the like of the baby carriage besides the basic requirements of pursuing the stability and the safety of the baby carriage.

When the existing baby carrier is folded, a user needs to unlock a locking mechanism of the baby carrier so as to be convenient for folding all the parts. The locking mechanism of the folding joint of the existing baby carrier is complex, the number of parts is large, and the parts are arranged in a stacked mode, so that the whole size of the folding joint is large, and the assembly is inconvenient.

Disclosure of Invention

The utility model discloses the purpose is: the folding joint structure of the baby carrier is simple and novel in structural design, convenient to assemble and capable of reducing the size of the folding joint.

The technical scheme of the utility model is that: a folding joint structure of a baby carrier comprises a first connecting piece, a second connecting piece and a third connecting piece, wherein the first connecting piece and the third connecting piece are respectively connected with the second connecting piece in a rotating way; after the first locking mechanism is unlocked, when the first connecting piece rotates relative to the second connecting piece, the locking of the second locking mechanism is automatically released, and then the folding joint is folded.

Furthermore, the second locking mechanism comprises a second locking block capable of sliding relative to the third connecting piece and a second spring arranged between the second locking block and the third connecting piece, and a second locking groove corresponding to the second locking block is formed in the first connecting piece; when the frame is in the unfolding position, the second locking block is over against the second locking groove and is locked into the second locking groove under the action of a second spring, and the second locking mechanism realizes the locking of the third connecting piece and the first connecting piece; when the first connecting piece rotates relative to the second connecting piece, the second locking groove of the first connecting piece automatically disengages from the second locking block, and the second locking mechanism realizes unlocking.

Furthermore, the side wall of the notch of the second locking groove is provided with a guide surface for facilitating the insertion and the withdrawal of the second locking block; and the outer end part of the second locking block is provided with a second lock tongue which is in plug-in fit with the second locking groove, and the second lock tongue is provided with an inclined plane which is matched with the guide surface.

Furthermore, the first locking mechanism comprises a first locking block capable of sliding relative to the first connecting piece, a first spring arranged between the first locking block and the first connecting piece, and an unlocking assembly arranged on the first connecting piece and used for driving the first locking block to slide, and a first locking groove corresponding to the first locking block is formed on the second connecting piece; when the frame is in the unfolding position, the first locking block is over against the first locking groove and is locked into the first locking groove under the action of the first spring, and the first locking mechanism locks the first connecting piece and the second connecting piece.

Furthermore, the first lock block slides along the extending direction of the first connecting piece, and a first bolt which is in plug fit with the first lock groove is arranged at the end part of the first lock block.

The utility model has the advantages that: the utility model discloses a first locking mechanical system realize when the frame is in the expansion position to first connecting piece and second connecting piece locking, realize spacing locking through second locking mechanical system when the frame is in the expansion position to third connecting piece and first connecting piece, after the unblock of first locking mechanical system, when first connecting piece rotates relative to the second connecting piece, can relieve the locking of second locking mechanical system automatically, and then realize folding of this folding joint draws in; the utility model discloses locking and unblock convenient operation, swift, saved the linkage part between first locking mechanical system and the second locking mechanical system, structural design is comparatively succinct, novel, and the equipment is convenient, and has reduced the volume of folding joint department.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention in an expanded use state;

FIG. 2 is a schematic view of the assembled structure of FIG. 1;

FIG. 3 is a schematic side sectional view of the structure of FIG. 1;

FIG. 4 is a schematic view of the first connecting member rotated after the first locking mechanism is unlocked in FIG. 3;

FIG. 5 is a schematic view of the structure of FIG. 3 in a folded state;

fig. 6 is a schematic structural view of the present invention during the motion process of first unfolding the first connecting member and then unfolding the third connecting member.

Wherein: 1 a first connecting member; 101 a left seat body; 102 right seat body;

2 a second connecting member; 201 a second connecting seat; 202 a second insert;

3 a third connecting member; 301 a third connecting seat; 302 a third insert; 303 end plugs;

4 a first locking mechanism; 401 a first locking piece; 402 a first spring; 403 a first locking groove; 404 a first locking bolt;

5 a second locking mechanism; 501 second locking block; 502 a second spring; 503 second locking groove; 504 a second bolt; 505 a guide surface; 506 are inclined.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application clearer, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings of the embodiments of the present application. It should be apparent that the described embodiments are only some of the embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the application without any inventive step, are within the scope of protection of the application. It will be understood that some of the technical means of the various embodiments described herein may be replaced or combined with each other without conflict.

In the description of the present application and claims, the terms "first," "second," and the like, if any, are used solely to distinguish one from another as between described objects and not necessarily in any sequential or technical sense. Thus, an object defined as "first," "second," etc. may explicitly or implicitly include one or more of the object. Also, the use of the terms "a" or "an" and the like, do not denote a limitation of quantity, but rather denote the presence of at least one of the two, and "a plurality" denotes no less than two.

In the description of the present application and the claims, the terms "connected," "mounted," "fixed," "housed," and the like shall be understood broadly unless otherwise specified. For example, "connected" may be a separate connection or may be integrally connected; can be directly connected or indirectly connected through an intermediate medium; either non-removably or removably. For example, "to store" does not necessarily mean to store the entire product completely, and the concept also includes a case of storing a part of the product partially protruding to the outside. The specific meaning of the foregoing terms in the present application can be understood by those skilled in the art as appropriate.

In the description of the present application and in the claims, if there is an orientation or positional relationship indicated by the terms "upper", "lower", "horizontal", etc. based on the orientation or positional relationship shown in the drawings, it is only for the convenience of clearly and simply describing the present application, and it is not indicated or implied that the elements referred to must have a specific direction, be constructed and operated in a specific orientation, and these directional terms are relative concepts for the sake of description and clarification and may be changed accordingly according to the change of orientation in which the elements in the drawings are placed. For example, if the device in the figures is turned over, elements described as "below" other elements would then be oriented "above" the other elements.

In the description of the present specification and claims, the term "if", if present, may generally be interchangeable with "when 8230; or" at 8230; or "in response to a determination" or "in response to a detection", depending on the context.

In the description of the present specification and claims, if there is "direction" with respect to motion, including motion having a directional component, the term "in direction" is not necessarily to be construed as motion in only that one direction, and those skilled in the art will understand the specific meaning of the aforementioned terms in the present application as the case may be.

As shown in fig. 1 to 6, a folding joint structure of a stroller comprises a first connecting member 1, a second connecting member 2, and a third connecting member 3, wherein the first connecting member 1 and the third connecting member 3 are respectively rotatably connected to the second connecting member 2, and the folding joint structure further comprises a first locking mechanism 4 for locking the first connecting member 1 and the second connecting member 2 when a frame is at an unfolding position, and a second locking mechanism 5 for locking the third connecting member 3 and the first connecting member 1 when the frame is at the unfolding position; after the first locking mechanism 4 is unlocked, when the first connecting piece 1 rotates relative to the second connecting piece 2, the locking of the second locking mechanism 5 is automatically released, and then the folding joint is folded.

In this embodiment, the specific structure of the second locking mechanism 5 is as follows: the second locking mechanism 5 includes a second locking block 501 capable of sliding relative to the third connecting member 3, and a second spring 502 disposed between the second locking block 501 and the third connecting member 3, and a second locking groove 503 corresponding to the second locking block 501 is formed on the first connecting member 1. The side wall of the second locking groove 503 has a guiding surface 505 for facilitating the insertion and withdrawal of the second locking piece 501; the outer end of the second lock block 501 is provided with a second lock tongue 504 which is in plug fit with the second lock groove 503, and the second lock tongue 504 is provided with an inclined surface 506 which is matched with a guide surface 505.

In this embodiment, the first locking mechanism 4 has a specific structure that: the first locking mechanism 4 comprises a first locking block 401 capable of sliding relative to the first connecting piece 1, a first spring 402 arranged between the first locking block 401 and the first connecting piece 1, and an unlocking assembly arranged on the first connecting piece 1 and used for driving the first locking block 401 to slide, wherein a first locking groove 403 corresponding to the first locking block 401 is formed on the second connecting piece 2. The first locking block 401 is slidably moved along the extending direction of the first connecting element 1, and the end of the first locking block 401 has a first locking tongue 404 that is in plug-in fit with the first locking groove 403.

In this embodiment, the first connector 1 is preferably a push rod assembly of a stroller, the second connector 2 is preferably a front support assembly of a stroller, and the third connector 3 is a rear support assembly of a stroller. In order to facilitate assembly and improve the overall aesthetic property, the first connecting member 1 includes a left base 101 and a right base 102 that are correspondingly engaged, and the first locking block 401 and the first spring 402 are disposed between the left base 101 and the right base 102. The second connector 2 comprises a second connector holder 201 and a second insert 202 fixedly arranged in the second connector holder 201, and the first locking groove 403 is formed on the second insert 202. The third connecting member 3 includes a third connecting seat 301 and a third insert 302 fixedly disposed in the third connecting seat 301, the third insert 302 is provided with an end plug 303, and the second locking block 501 and the second spring 502 are disposed in an installation groove of the end plug 303. This is only one embodiment of the present invention, and is not limited thereto.

The utility model discloses a theory of operation does:

when the vehicle frame is in the unfolded position, the first locking block 401 faces the first locking groove 403 and is locked into the first locking groove 403 under the action of the first spring 402, and the first locking mechanism 4 locks the first connecting piece 1 and the second connecting piece 2. Meanwhile, the second locking piece 501 faces the second locking groove 503 and is locked into the second locking groove 503 under the action of the second spring 502, and the second locking mechanism 5 locks the third connecting member 3 and the first connecting member 1.

After the first locking mechanism 4 is unlocked, when the first connecting piece 1 rotates relative to the second connecting piece 2, the second locking groove 503 is disengaged from the second locking block 501, and the locking of the second locking mechanism 5 is automatically released, so that the folding joint is folded.

When the frame is unfolded, the utility model can unfold the third connecting piece 3 first and then unfold the first connecting piece 1, as shown in fig. 4; it is also possible to unfold the first connecting element 1 first and then the third connecting element 3, as shown in fig. 6.

The utility model discloses locking and unblock convenient operation, swift, saved the linkage part between first locking mechanical system 4 and the second locking mechanical system 5, structural design is comparatively succinct, novel, and the equipment is convenient, and has reduced the volume of folding joint department.

The above is only a specific application example of the present invention, and does not set any limit to the protection scope of the present invention. In addition to the above embodiments, the present invention may have other embodiments. All the technical solutions formed by adopting equivalent substitutions or equivalent transformations fall within the scope of the present invention as claimed.

Claims

1. The utility model provides a folding joint structure of bassinet, includes first connecting piece (1), second connecting piece (2) and third connecting piece (3), its characterized in that: the folding joint structure comprises a first connecting piece (1), a third connecting piece (3), a first locking mechanism (4) and a second locking mechanism (5), wherein the first connecting piece (1) and the third connecting piece (3) are respectively in rotating connection with the second connecting piece (2), the first locking mechanism (4) locks the first connecting piece (1) and the second connecting piece (2) when the frame is at the unfolding position, and the second locking mechanism (5) locks the third connecting piece (3) and the first connecting piece (1) when the frame is at the unfolding position; after the first locking mechanism (4) is unlocked, when the first connecting piece (1) rotates relative to the second connecting piece (2), the locking of the second locking mechanism (5) is automatically released, and then the folding joint is folded.

2. A folding joint structure for a stroller according to claim 1, characterized in that: the second locking mechanism (5) comprises a second locking block (501) capable of sliding relative to the third connecting piece (3) and a second spring (502) arranged between the second locking block (501) and the third connecting piece (3), and a second locking groove (503) corresponding to the second locking block (501) is formed in the first connecting piece (1); when the frame is in the unfolding position, the second locking block (501) is over against the second locking groove (503) and is locked into the second locking groove (503) under the action of a second spring (502), and the second locking mechanism (5) realizes the locking of the third connecting piece (3) and the first connecting piece (1); when the first connecting piece (1) rotates relative to the second connecting piece (2), the second locking groove (503) of the first connecting piece automatically disengages from the second locking block (501), and the second locking mechanism (5) realizes unlocking.

3. A folding joint structure for a stroller according to claim 2, wherein: the side wall of the second locking groove (503) is provided with a guide surface (505) for facilitating the insertion and the withdrawal of the second locking block (501); the outer end part of the second locking block (501) is provided with a second bolt (504) which is in plug fit with the second locking groove (503), and the second bolt (504) is provided with an inclined surface (506) which is matched with the guide surface (505).

4. A folding joint structure for a stroller according to claim 1, wherein: the first locking mechanism (4) comprises a first locking block (401) capable of sliding relative to the first connecting piece (1), a first spring (402) arranged between the first locking block (401) and the first connecting piece (1), and an unlocking assembly arranged on the first connecting piece (1) and used for driving the first locking block (401) to slide, and a first locking groove (403) corresponding to the first locking block (401) is formed in the second connecting piece (2); when the frame is in the unfolding position, the first locking block (401) is over against the first locking groove (403) and is locked into the first locking groove (403) under the action of the first spring (402), and the first locking mechanism (4) realizes locking of the first connecting piece (1) and the second connecting piece (2).

5. A folding joint structure for a stroller according to claim 4, characterized in that: the first lock block (401) is in sliding motion along the extending direction of the first connecting piece (1), and a first bolt (404) in inserting fit with the first lock groove (403) is arranged at the end part of the first lock block (401).