CN220114729U

CN220114729U - Front child seat folding mechanism of electric bicycle and child seat

Info

Publication number: CN220114729U
Application number: CN202321500092.0U
Authority: CN
Inventors: 赵立梅
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-06-13
Filing date: 2023-06-13
Publication date: 2023-12-01
Anticipated expiration: 2033-06-13

Abstract

The utility model provides a front-mounted child seat folding mechanism of an electric bicycle and a child seat, relates to the technical field of child seats, and solves the technical problems that an unfolding state of a folding structure in the prior art is not locked tightly and the folding state of the folding structure is not locked tightly. The folding mechanism comprises a mounting frame, a connecting frame and a locking piece, wherein a sliding groove is formed in one end of the connecting frame, a locking groove is formed in one hinged end of the mounting frame and the connecting frame, a locking protrusion with the same cross section shape as the locking groove is formed in one end of the locking piece, which is far away from the connecting frame, the folding mechanism of the front child seat of the electric bicycle comprises a folding state and an unfolding state, the locking piece is positioned above one side wall of the locking groove in the folding state, and the connecting frame is propped against the other side wall of the locking groove; when in an unfolding state, the locking piece stretches into the locking groove. The locking device is used for achieving the purpose of locking by extending the locking piece into the locking groove, and the locking piece is ensured to be in a folded state by the action that the locking piece is positioned above one side wall of the locking groove.

Description

Front child seat folding mechanism of electric bicycle and child seat

Technical Field

The utility model relates to the technical field of child seats, in particular to a front child seat folding mechanism of an electric bicycle and a child seat.

Background

The utility model provides a more common instrument of riding instead of walk at present, people are in order to be able to carry children when riding, usually install children's seat between electric bicycle seat and handlebar, present patent document of application number 201920393113.0 discloses a children folding seat, although can fold when need not carry children, but the folding structure of handrail and back of this kind of children's seat adopts first locking lever and second locking lever, make its shrink and then can block into first locking notch and second locking notch through pulling two locking levers, perhaps deviate from in first locking notch and the second locking notch, but this kind of structure is because the connecting rod that needs locking lever along handrail and back of the chair removes one end distance, consequently, the connecting rod bottom of handrail and back of the chair is longer, this kind of structure is because locking notch is curved notch, the locking lever is connected with the connecting rod of handrail or back of the chair through the spring, the problem of rocking appears locking very easily in the state of expanding very easily for this kind of structure, moreover this kind of structure is very easy to expand a certain angle in the folding state, can not reach the folding purpose of locking.

Disclosure of Invention

The utility model aims to provide a front-mounted child seat folding mechanism of an electric bicycle and a child seat, which solve the technical problems that an unfolding state of a folding structure in the prior art is not locked tightly and the folding state is not locked tightly. The preferred technical solutions of the technical solutions provided by the present utility model can produce a plurality of technical effects described below.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a front child seat folding mechanism of an electric bicycle, which comprises a mounting frame, a connecting frame and a locking piece, wherein one end of the connecting frame is provided with a sliding groove, the locking piece is slidably arranged in the sliding groove, one end of the connecting frame, which is provided with the locking piece, is hinged with the mounting frame, one end of the mounting frame, which is hinged with the connecting frame, is provided with a locking groove, one end of the locking piece, which is far away from the connecting frame, is provided with a locking bulge with the same cross-section shape as the locking groove, the front child seat folding mechanism of the electric bicycle comprises a folding state and an unfolding state, and in the folding state, the locking piece is positioned above one side wall of the locking groove, and the connecting frame is propped against the other side wall of the locking groove; when in the unfolding state, the locking piece stretches into the locking groove.

Preferably, the device further comprises a reset piece, wherein the reset piece is arranged between the connecting frame and the locking piece and is used for pushing the locking piece to move towards a direction away from the connecting frame.

Preferably, the hinge assembly further comprises a hinge shaft, the hinge shaft penetrates through the mounting frame, the connecting frame and the locking piece, hinge lugs are arranged on the side walls of two opposite ends of the locking groove, the connecting frame is located between the two hinge lugs, a strip-shaped hole is formed in the locking piece, the hinge shaft penetrates through one hinge lug, one end wall of the sliding groove, the strip-shaped hole, the other end wall of the sliding groove and the other hinge lug in sequence, and the locking piece can slide along the length direction of the strip-shaped hole.

Preferably, the connecting frame is a partial cylinder towards one end of the mounting frame, the mounting frame is provided with a partial cylindrical groove towards one end of the connecting frame, the locking groove is arranged in the partial cylindrical groove, and the partial cylinder is rotatably arranged in the partial cylindrical groove.

Preferably, a stirring piece is arranged on the locking piece, an anti-slip protrusion is arranged on the stirring piece, the stirring piece is connected with the locking piece through an extending connecting block, a notch is arranged on the side wall of the sliding groove, and the extending connecting block can slide in the notch.

Preferably, the peripheral side edge of one end of the locking piece far away from the connecting frame is a rounded corner edge.

Preferably, the mounting frame, the connecting frame and the locking piece are all made of plastic.

The child seat provided by the utility model comprises the front child seat folding mechanism of the electric bicycle.

Preferably, the chair further comprises a seat and armrests, wherein the seat is arranged on the mounting frame, and the armrests are arranged on the connecting frame.

The utility model adopts the technical proposal and has at least the following beneficial effects:

the one end of link sets up the spout, retaining member slidable ground sets up in the spout, the link sets up the one end of retaining member and the mounting bracket is articulated, and set up the locking groove on mounting bracket and the articulated one end of link, set up the locking arch the same with locking groove cross-section on the one end that the link was kept away from to the retaining member, and during folding state, the retaining member is located the top of a lateral wall of locking groove, the link supports on another lateral wall of locking groove, the retaining member can restrict the link and move towards the expansion state this moment, reach the purpose of pinning folding state, and the retaining member stretches into in the locking groove during the locking state, the restriction effect of locking arch and locking groove can avoid the condition that expansion state lock is not tight.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the utility model as claimed.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of an exploded view of a folding mechanism of a front child seat of an electric bicycle according to an embodiment of the present utility model;

FIG. 2 is a schematic view of a locking member according to an embodiment of the present utility model;

fig. 3 is a schematic view of a structure of a connecting frame provided with armrests according to an embodiment of the present utility model;

fig. 4 is a schematic view of a mounting frame provided with a seat structure according to an embodiment of the present utility model.

1, a mounting frame; 2. a connecting frame; 3. a locking member; 4. a chute; 5. a locking groove; 6. locking the bulge; 7. a reset member; 8. a hinge shaft; 9. a hinged tab; 10. a bar-shaped hole; 11. a partial cylinder; 12. a partial cylindrical recess; 13. a driving plate; 14. a slip preventing protrusion; 15. extending the connecting block; 16. a notch; 17. round corner edges; 18. a seat; 19. an armrest.

Detailed Description

In order to make the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be described in detail below. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, based on the examples herein, which are within the scope of the utility model as defined by the claims, will be within the scope of the utility model as defined by the claims.

The embodiment of the utility model provides a folding mechanism of a front child seat of an electric bicycle, which is shown in the attached drawing 1 and mainly comprises a mounting frame 1, a connecting frame 2 and a locking piece 3, wherein a sliding groove 4 is arranged at one end of the connecting frame 2, the locking piece 3 is slidably arranged in the sliding groove 4, one end of the connecting frame 2, which is provided with the locking piece 3, is hinged with the mounting frame 1, the connecting frame 2 and the mounting frame 1 can relatively rotate around the hinged position, so that the connecting frame 2 can be folded to be close to the mounting frame 1 or unfolded from a folded state close to the mounting frame 1, a locking groove 5 is arranged at one end of the connecting frame 1, which is hinged with the connecting frame 2, the locking piece 3 is arranged at the hinged position of the mounting frame 1 and the connecting frame 2, a locking protrusion 6 with the same cross section shape as the locking groove 5 is arranged at one end of the locking piece 3, the locking protrusion 6 and the locking groove 5 can be matched, and the locking protrusion 6 can just extend into the locking groove 5, the outer size of the locking protrusion 6 is slightly smaller than the outer size of the locking groove 5, and the front child seat folding mechanism of the electric bicycle provided by the utility model comprises a folded state and a folded state, and a side wall of the locking piece 3 can be freely arranged at the other side of the connecting frame 2, which can be freely located at two sides of the connecting frame 2, and can be freely folded at the side of the connecting frame 2, and can be freely located at the side of the connecting frame 2 when the connecting frame is in a folded state, and can be freely located at the side of the connecting frame 2; when in the unfolded state, the connecting frame 2 is opposite to the locking groove 5, the locking bulge 6 of the locking piece 3 stretches into the locking groove 5, the locking bulge 6 and the locking groove 5 cooperate to limit the connecting frame 2, so that the connecting frame 2 can not rotate relative to the mounting frame 1, and is locked in the unfolded state, and compared with the prior art, the locking bulge 6 is inserted into the locking groove 5, the locking rod is clamped by the arc-shaped groove, so that the locking rod is not easy to shake greatly.

In one embodiment, a restoring member 7 is further provided, the restoring member 7 is provided between the connecting frame 2 and the locking member 3, the restoring member 7 is used for pushing the locking member 3 to move in a direction away from the connecting frame 2, and a specific restoring member 7 may be a spring, which is provided between the top wall of the chute 4 on the connecting frame 2 and the top of the locking member 3, and is in a compressed state and has a force pushing the locking member 3 to move in a direction away from the connecting frame 2.

The connecting piece for hinging the connecting frame 2 and the locking piece 3 can be a hinging shaft 8, the hinging shaft 8 is arranged on the mounting frame 1, the connecting frame 2 and the locking piece 3 in a penetrating way, hinging lugs 9 are arranged on the side walls of two opposite ends of the locking groove 5 on the mounting frame 1, a space between the two hinging lugs 9 is used for accommodating the connecting frame 2, the connecting frame 2 is positioned between the two hinging lugs 9, a shaft hole for penetrating the hinging shaft 8 is arranged on the hinging lugs 9, meanwhile, a shaft hole is also formed in the side wall of the sliding groove 4 of the connecting frame 2, a strip-shaped hole 10 is formed in the locking piece 3, the length direction of the strip-shaped hole 10 is the sliding direction of the locking piece 3 along the sliding groove 4, the hinging shaft 8 sequentially penetrates through one hinging lug 9, one end wall of the sliding groove 4, the strip-shaped hole 10, the other end wall of the sliding groove 4 and the other hinging lug 9, and the arrangement of the strip-shaped hole 10 can ensure the sliding of the locking piece 3 in the sliding groove 4, realize the connection of the locking piece 3, and can also limit the falling-off of the locking piece 3 from the sliding groove 4 of the connecting frame 2.

In a specific embodiment of the present utility model, the end of the connecting frame 2 facing the mounting frame 1 is designed into a partial cylinder 11, the end of the mounting frame 1 facing the connecting frame 2 is provided with a partial cylindrical groove 12, the partial cylinder 11 and the partial cylinder in the partial cylindrical groove 12 refer to the partial cylinder shape which divides the cylinder in a section parallel to the cylinder axis, the outer wall surfaces of the partial cylinder 11 and the partial cylindrical groove 12 are the same as the partial outer wall surfaces of the cylinder, the axes of the partial cylinder 11 and the partial cylindrical groove 12 are coincident with the axis of the hinge shaft 8, and this arrangement can ensure smooth rotation between the connecting frame 2 and the mounting frame 1, the partial cylinder 11 is rotatably positioned in the partial cylindrical groove 12, and the locking groove 5 is arranged in the partial cylindrical groove 12.

The locking piece 3 can be further provided with a stirring piece 13, the stirring piece 13 is located outside the sliding groove 4, the stirring piece 13 is provided with a non-slip protrusion 14, the non-slip protrusion 14 is convenient for people to apply external force when manually stirring, the stirring piece 13 is connected with the locking piece 3 through an extending connecting block 15, the side wall of the sliding groove 4 is provided with a notch 16, the extending connecting block 15 can slide in the notch 16, when people stir the stirring piece 13 by hands, the extending connecting block 15 slides in the notch 16, and the locking piece 3 slides in the sliding groove 4.

In the utility model, the peripheral side edge of one end of the locking piece 3 far away from the connecting frame 2 is a round angle edge 17, namely, the end face of the locking bulge 6 is set to be the round angle edge 17, and the round angle edge 17 can make the exposed end face of the locking piece 3 in the folded state round, so that the problem of potential safety hazard is avoided. At the same time, the end face of the rounded edge 17 enables the locking projection 6 to penetrate into the locking groove 5 more easily.

In another embodiment of the present utility model, the mounting frame 1, the connecting frame 2 and the locking member 3 are made of plastic materials, such as nylon, with high strength, so that the weight of the whole body can be reduced, the contact with the human body is softer, and the appearance is more attractive than that of a welding structure of a metal frame.

The utility model also provides a child seat, which comprises the front child seat folding mechanism of the electric bicycle, a seat 18 and armrests 19, wherein the seat 18 is arranged on the mounting frame 1, the armrests 19 are arranged on the connecting frame 2, and the armrests 19 can be folded onto the seat 18 when the child seat is not needed to be used, so that the occupied space is reduced.

The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a front child seat folding mechanism of electric bicycle, its characterized in that includes mounting bracket, link and retaining member, the one end of link sets up the spout, the retaining member slidable sets up in the spout, the link sets up the one end of retaining member with the mounting bracket articulates, mounting bracket with the articulated one end of link is last to set up the locking groove, the retaining member keep away from set up on the one end of link with the same locking protrusion of locking groove cross-sectional shape, front child seat folding mechanism of electric bicycle includes folding state and expansion state, during the folding state, the retaining member is located one lateral wall top of locking groove, the link supports on the other lateral wall of locking groove; when in the unfolding state, the locking piece stretches into the locking groove.

2. The folding mechanism of the front child seat for an electric bicycle of claim 1, further comprising a return member disposed between the connecting frame and the locking member, the return member being configured to urge the locking member to move in a direction away from the connecting frame.

3. The folding mechanism of the front child seat for the electric bicycle according to claim 1, further comprising a hinge shaft, wherein the hinge shaft is arranged on the mounting frame, the connecting frame and the locking piece in a penetrating manner, hinge lugs are arranged on two opposite side walls of the locking groove, the connecting frame is arranged between the two hinge lugs, a strip-shaped hole is arranged on the locking piece, the hinge shaft sequentially penetrates through one hinge lug, one end wall of the sliding groove, the strip-shaped hole, the other end wall of the sliding groove and the other hinge lug, and the locking piece can slide along the length direction of the strip-shaped hole.

4. The folding mechanism of the front child seat for the electric bicycle according to claim 3, wherein the connecting frame is a partial cylinder toward one end of the mounting frame, a partial cylindrical groove is formed in one end of the mounting frame toward the connecting frame, the locking groove is formed in the partial cylindrical groove, and the partial cylinder is rotatably located in the partial cylindrical groove.

5. The folding mechanism of the front child seat of the electric bicycle according to claim 1, wherein the locking piece is provided with a poking piece, the poking piece is provided with a non-slip protrusion, the poking piece is connected with the locking piece through an extending connecting block, a notch is formed in the side wall of the sliding groove, and the extending connecting block can slide in the notch.

6. The folding mechanism of claim 1, wherein a peripheral edge of an end of the locking member remote from the connecting frame is rounded.

7. The folding mechanism of the front child seat for an electric bicycle according to claim 1, wherein the mounting frame, the connecting frame and the locking member are all made of plastic.

8. A child seat comprising the front child seat folding mechanism of an electric bicycle according to any one of claims 1 to 7.

9. The child seat according to claim 8, further comprising a seat disposed on the mount and armrests disposed on the link.