CN216546511U

CN216546511U - Smooth folding mechanism of children's tricycle

Info

Publication number: CN216546511U
Application number: CN202122827460.XU
Authority: CN
Inventors: 罗钟圣
Original assignee: Zhongshan Zhengna Trading Co ltd
Current assignee: Zhongshan Zhengna Trading Co ltd
Priority date: 2021-11-17
Filing date: 2021-11-17
Publication date: 2022-05-17
Anticipated expiration: 2031-11-17

Abstract

The utility model discloses a smooth folding mechanism of a child tricycle, which comprises a frame, rear wheels, a first connecting rod and a second connecting rod, wherein the first connecting rod and the second connecting rod are rotatably connected with the corresponding rear wheels; one end of the second supporting rod is rotatably connected with the second connecting rod, and the other end of the second supporting rod is rotatably connected with the second rotating shaft. The sliding linkage system is formed by the connecting rod I, the connecting rod II, the supporting rod I, the supporting rod II, the sliding groove and the sliding block, so that the sliding block can be driven to move in the sliding groove through the supporting rod I, the supporting rod II, the connecting rod I and the connecting rod II when the rear wheel is folded, the whole width of the baby carriage is reduced, and the whole length of the baby carriage is reduced.

Description

Smooth folding mechanism of children's tricycle

Technical Field

The utility model relates to a child tricycle, in particular to a smooth folding mechanism of the child tricycle.

Background

Many families can buy children's tricycle and ride child and play because children's tricycle has great volume, therefore it is relatively occupation space when placing and transporting, therefore present children's tricycle can be folded and is lived much.

The folding mode of the rear wheel of the common child tricycle is generally overturning or directly involuting, the folding volume of the folding mode is still not small enough, and the subsequent automatic folding improvement is not facilitated.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model provides a smooth folding mechanism of a child tricycle.

The technical scheme adopted by the utility model for solving the technical problems is as follows:

the utility model provides a mechanism is folded to smooth formula of children's tricycle, includes frame, rear wheel, connecting rod one and connecting rod two rotate with corresponding rear wheel and be connected its characterized in that: the bicycle frame further comprises a first support rod, a second support rod, a sliding groove arranged in the bicycle frame, a sliding block positioned in the sliding groove, a first rotating shaft fixed with the sliding block and a second rotating shaft fixed with the bicycle frame, wherein the first connecting rod and the second connecting rod are both rotatably connected with the first rotating shaft, one end of the first support rod is rotatably connected with the first connecting rod, and the other end of the first support rod is rotatably connected with the second rotating shaft; one end of the second supporting rod is rotatably connected with the second connecting rod, and the other end of the second supporting rod is rotatably connected with the second rotating shaft.

The locking mechanism is used for locking the position of the sliding block.

The locking mechanism comprises a clamping rod arranged in the frame, a groove arranged in the sliding block and a control plate which is positioned in the groove and is rotationally connected with the sliding block, and a clamping groove capable of being clamped with the clamping rod through rotation is formed in the control plate.

The frame is provided with a button assembly which can drive the control panel to rotate and separate from the clamping rod.

The other end of the first support rod and the other end of the second support rod are both provided with upper rotating shaft holes, the first connecting rod and the second connecting rod are both provided with connecting seats, lower rotating shaft holes are formed in the connecting seats, and the screw rod penetrates through the corresponding upper rotating shaft holes and the lower rotating shaft holes.

The frame includes the car owner roof beam that left car shell and right car shell constitute, the spout sets up in car owner roof beam bottom surface.

The slider is T type piece, the spout is T type groove.

The top of the first rotating shaft is provided with a top plate, the first rotating shaft is fixed with a sliding block through the top plate, a limiting groove is formed between the top plate and the sliding block, and the edge of the shell of the left automobile shell and the edge of the shell of the right automobile shell are clamped into the limiting groove.

The frame is internally provided with a motor and a gear arranged on the motor, and the sliding block is provided with a rack meshed with the gear.

The utility model has the beneficial effects that: according to the folding baby carriage, the sliding linkage system is formed by the connecting rod I, the connecting rod II, the supporting rod I, the supporting rod II, the sliding groove and the sliding block, so that the sliding block can be driven to move in the sliding groove through the supporting rod I, the supporting rod II, the connecting rod I and the connecting rod II when the rear wheel is folded, the whole width of the baby carriage is reduced, the whole length of the baby carriage is reduced, and the whole size of the baby carriage is smaller; moreover, the mode is favorable for later upgrading into electric folding.

Drawings

The utility model is further illustrated with reference to the following figures and examples.

FIG. 1 is an overall block diagram of a tricycle;

FIG. 2 is an overall block diagram of the present invention;

FIG. 3 is a block diagram of another aspect of the present invention;

fig. 4 is a cross-sectional view of the present invention.

Detailed Description

Advantages and features of the present disclosure and methods of practicing the same will be clarified by the following embodiments described with reference to the accompanying drawings. This disclosure may, however, be embodied in different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. Furthermore, the present disclosure is to be limited only by the scope of the claims.

The shapes, sizes, proportions, angles and numbers disclosed in the accompanying drawings for describing embodiments of the present disclosure are by way of example only, and are not intended to be limited to the details shown. Like reference numerals refer to like elements throughout the specification. In the following description, when a detailed description of a related known function or configuration is determined to unnecessarily obscure the focus of the present disclosure, the detailed description will be omitted. In the case of using "including", "having", and "including" described in this specification, other components may be added unless "only" is used. Unless indicated to the contrary, singular terms may include the plural.

In explaining the elements, although not explicitly described, the elements are understood to include error ranges.

In describing the positional relationship, for example, when the positional relationship is described as "on … …", "above … …", "below … …", and "adjacent to … …", one or more portions may be arranged between two other portions unless "immediately" or "directly" is used.

In describing the temporal relationship, for example, when the temporal order is described as "after … …", "subsequently", "next", and "before … …", the case of discontinuity may be included unless "just" or "directly" is used.

It will be understood that, although the terms first, second, etc. may be used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another. For example, a first element could be termed a second element, and, similarly, a second element could be termed a first element, without departing from the scope of the present disclosure.

As will be well understood by those skilled in the art, the features of the different embodiments of the present disclosure may be partially or fully coupled or combined with each other and may cooperate with each other and be technically driven in various ways. Embodiments of the present disclosure may be performed independently of each other, or may be performed together in an interdependent relationship.

Referring to fig. 1 to 4, the utility model discloses a smooth folding mechanism of a child tricycle, which comprises a frame, a rear wheel 1, a first connecting rod 2 and a second connecting rod 3, wherein the first connecting rod 2 and the second connecting rod 3 are rotatably connected with the corresponding rear wheel 1, the folding mechanism further comprises a first supporting rod 4, a second supporting rod 5, a sliding groove 6 arranged in the frame, a sliding block 7 positioned in the sliding groove 6, a first rotating shaft 8 fixed with the sliding block 7 and a second rotating shaft 9 fixed with the frame, the sliding block 7 is preferably a T-shaped block, the sliding groove 6 is a T-shaped groove, the first connecting rod 2 and the second connecting rod 3 are rotatably connected with the first rotating shaft 8, one end of the first supporting rod 4 is rotatably connected with the first connecting rod 2, and the other end of the first supporting rod 4 is rotatably connected with the second rotating shaft 9; the one end of two 5 branches is rotated with two 3 connecting rods and is connected just the other end of two 5 branches is rotated with two 9 pivots and is connected, in the aforesaid, when folding up, make rear wheel 1 fold up the overlap relatively with the hand, rear wheel 1 can draw connecting rod one 2 and connecting rod two 3 to rotate and remove through branch one 4, two 5 branches, and connecting rod one 2 and connecting rod two 3 can promote slider 7 through pivot one 8 and slide, above-mentioned in-process branch one 4, two 5 branches also can revolute two 9 pivots, also have relative rotation simultaneously with branch one 4, two 5 branches and connecting rod one 2 and connecting rod two 3, the frame of this application includes the car owner roof beam 11 that left car shell and right car shell constitute, spout 6 sets up in car girder 11 bottom surfaces, the design of left car shell and right car shell is for the convenience of assembling, and slider 7 sliding structure's further preferred structure lies in: the top of a rotating shaft 8 is provided with a top plate 10, the rotating shaft 8 is fixed with a sliding block 7 through the top plate 10, a limiting groove 12 is formed between the top plate 10 and the sliding block 7, the edge of the shell of the left vehicle shell and the edge of the shell of the right vehicle shell are clamped into the limiting groove 12, and therefore the sliding block 7, the left vehicle shell and the right vehicle shell are mutually embedded, so that the reliability of the structure of the sliding block 7 is improved, and the risk that the sliding block 7 is separated from the sliding groove 6 is reduced.

As shown, to maintain the deployed position of the rear wheel 1, a locking mechanism is also included to lock the position of the slider 7. Locking mechanism including set up in the frame the kelly 13, set up in recess in the slider 7 and be located the recess and rotate the control panel 14 of being connected with slider 7, be equipped with on the control panel 14 and can pass through the draw-in groove of rotation and kelly 13 looks card, when the kelly 13 card was gone into the draw-in groove of control panel 14, slider 7 just can not slide to rear wheel 1 can keep the position of expanding, and control panel 14 rotates and makes behind kelly 13 and the draw-in groove separation, slider 7 can slide, thereby realizes the function of folding up.

As shown in the figure, the frame is provided with a button assembly capable of driving the control panel 14 to rotate and separate from the clamping rod 13, the button assembly comprises a button hole arranged below the main beam 11 and a key 15 positioned in the button hole, the key 15 is provided with a limiting block (not shown) for preventing the control panel from separating from the button hole, the key 15 is provided with a return spring 16, the return spring 16 abuts against the bottom of the button hole, the end part of the control panel 14 penetrates through the hole wall of the button hole and is positioned in the button hole, the key 15 can be propped against the control panel 14, therefore, the key 15 can be pressed when the baby carriage needs to be folded, the key 15 is lifted to jack up the control panel 14 to rotate, so that the clamping rod 13 is separated from the clamping groove, the structure of the button assembly is only the preferred structure of the present application and does not limit the present application, and the structure of the button assembly can be other structures.

As shown in the figure, the concrete mounting structure of branch 4 and two 5 and connecting rod 2 and two 3 as follows, the other end of branch 4 and two 5 all is equipped with the axle hole of revolving upward, all be equipped with connecting seat 17 on connecting rod 2 and the two 3 of connecting rod, be equipped with down the axle hole on this connecting seat 17, the screw rod passes corresponding axle hole and the lower axle hole of revolving upward, and the assembly of being convenient for of above-mentioned structure.

As a further structure, in order to realize electric folding, a motor (not shown in the figure) and a gear (not shown in the figure) arranged on the motor are arranged in the frame, a rack (not shown in the figure) meshed with the gear is arranged on the sliding block 7, and the sliding block 7 is driven by the motor or the sliding block 7 is driven by the motor to slide along the sliding groove 6 in an auxiliary manner, so that the manual folding force is avoided or reduced, and the electric folding bicycle is more convenient for a user, and the motor can be powered by a battery.

The smooth folding mechanism for the children tricycle provided by the embodiment of the utility model is described in detail, a specific example is applied in the detailed description to explain the principle and the implementation mode of the utility model, and the description of the embodiment is only used for helping to understand the method and the core idea of the utility model; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.

Claims

1. The utility model provides a mechanism is folded to smooth formula of children's tricycle, includes frame, rear wheel, connecting rod one and connecting rod two rotate with corresponding rear wheel and be connected its characterized in that: the bicycle frame further comprises a first support rod, a second support rod, a sliding groove arranged in the bicycle frame, a sliding block positioned in the sliding groove, a first rotating shaft fixed with the sliding block and a second rotating shaft fixed with the bicycle frame, wherein the first connecting rod and the second connecting rod are both rotatably connected with the first rotating shaft, one end of the first support rod is rotatably connected with the first connecting rod, and the other end of the first support rod is rotatably connected with the second rotating shaft; one end of the second supporting rod is rotatably connected with the second connecting rod, and the other end of the second supporting rod is rotatably connected with the second rotating shaft.

2. The smooth folding mechanism of the children tricycle as claimed in claim 1, wherein: the locking mechanism is used for locking the position of the sliding block.

3. The smooth folding mechanism of the children tricycle as claimed in claim 2, wherein: the locking mechanism comprises a clamping rod arranged in the frame, a groove arranged in the sliding block and a control plate which is positioned in the groove and is rotationally connected with the sliding block, and a clamping groove capable of being clamped with the clamping rod through rotation is formed in the control plate.

4. The smooth folding mechanism of the children tricycle as claimed in claim 3, wherein: the frame is provided with a button assembly which can drive the control panel to rotate and separate from the clamping rod.

5. The smooth folding mechanism of the children tricycle of claim 1, characterized in that: the other end of the first support rod and the other end of the second support rod are both provided with upper rotating shaft holes, the first connecting rod and the second connecting rod are both provided with connecting seats, lower rotating shaft holes are formed in the connecting seats, and the screw rod penetrates through the corresponding upper rotating shaft holes and the lower rotating shaft holes.

6. The smooth folding mechanism of the children tricycle as claimed in claim 1, wherein: the frame includes the car owner roof beam that left car shell and right car shell constitute, the spout sets up in car owner roof beam bottom surface.

7. The smooth folding mechanism of the children tricycle as claimed in claim 6, wherein: the slider is T type piece, the spout is T type groove.

8. The smooth folding mechanism of the children tricycle of claim 7, characterized in that: the top of the first rotating shaft is provided with a top plate, the first rotating shaft is fixed with a sliding block through the top plate, a limiting groove is formed between the top plate and the sliding block, and the edge of the shell of the left automobile shell and the edge of the shell of the right automobile shell are clamped into the limiting groove.

9. The smooth folding mechanism of the children tricycle as claimed in claim 1, wherein: the frame is internally provided with a motor and a gear arranged on the motor, and the sliding block is provided with a rack meshed with the gear.