CN218559017U - Convenient dismouting device of children bicycle auxiliary wheel - Google Patents

Abstract

The utility model provides a convenient dismouting device of children bicycle auxiliary wheel relates to the technical field of children bicycle spare part. The convenient dismounting device for the auxiliary wheel of the children bicycle comprises a device main body, a wheel axle hole, an auxiliary wheel bracket mounting cavity, an accommodating cavity and a fixed plug-in; the axle hole is arranged on the device main body and used for mounting the device main body on the rear axle; the auxiliary wheel bracket mounting cavity is arranged in the device main body and is provided with an opening for mounting or accommodating the auxiliary wheel bracket; the accommodating cavity is arranged in the device main body and communicated with the auxiliary wheel bracket mounting cavity; the fixing plug-in is movably arranged in the accommodating cavity and can move into or penetrate through the auxiliary wheel bracket mounting cavity for fixing or releasing the fixing hole of the auxiliary wheel bracket. This convenient dismouting device of children bicycle auxiliary wheel has solved that current children bicycle auxiliary wheel dismouting is inconvenient, and is incompatible general, dismantles the inconvenient technical problem of accomodating in back.

Description

Convenient dismouting device of children bicycle auxiliary wheel

Technical Field

The utility model belongs to the technical field of the technique of children's bicycle spare part and specifically relates to a convenient dismouting device of children's bicycle auxiliary wheel is related to.

Background

The children bicycle is a toy and a tool for riding instead of walk which are very popular among children, and the children bicycle has infinite fun for children when being ridden. In order to keep the riding stability of the bicycle, most children's bicycles are provided with auxiliary wheels, and the auxiliary wheels can be detached or detached temporarily for riding after the children master the riding skills of the bicycle.

When the conventional auxiliary wheel for children is installed, a nut needs to be detached from a rear wheel shaft through a tool, then a positioning piece is installed on the rear wheel shaft and is limited on a rear fork, then an auxiliary wheel support is installed on the rear wheel shaft and is limited on the positioning piece, and finally the nut is installed on the rear wheel shaft through the tool to complete fixation; when the auxiliary wheel is disassembled, the reverse operation is needed, so that a special tool is needed to be prepared and the process is complicated in the assembling and disassembling operation of the auxiliary wheel; and non-professional operation can also cause the influence to the wheel rear axle elasticity, and then influences child's safety of riding and the experience of riding. The detached auxiliary wheel and the detached support also need to be specially stored, and once the auxiliary wheel and the detached support are improperly stored or lost, the auxiliary wheel and the detached support need to be purchased again, so that economic expenses and troubles are increased unnecessarily.

Therefore, it is very necessary to develop a device that is compatible with the universal auxiliary wheel support rod and the auxiliary wheel that can be quickly disassembled and assembled and is capable of accommodating the disassembled auxiliary wheel.

In the process of implementing the embodiment, the inventor finds at least the following problems:

the inconvenient dismouting of current children bicycle auxiliary wheel and dismantle inconvenient accomodating in back.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a convenient dismouting device of children bicycle auxiliary wheel to provide the inconvenient dismouting of children bicycle auxiliary wheel and dismantle the inconvenient problem of accomodating in back among the solution above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a convenient dismounting device for auxiliary wheels of children bicycles, which comprises a device main body, a wheel axle hole, an auxiliary wheel bracket mounting cavity, a containing cavity and a fixed plug-in; the wheel axle hole is formed in the device main body and used for mounting the device main body on a rear wheel axle; the auxiliary wheel bracket mounting cavity is arranged in the device main body, is provided with an opening and is used for mounting or accommodating the auxiliary wheel bracket; the accommodating cavity is arranged in the device main body and is communicated with the auxiliary wheel bracket mounting cavity; the fixing plug-in unit is movably arranged in the accommodating cavity and can move into or penetrate through the auxiliary wheel support mounting cavity to fix or release the fixing hole of the auxiliary wheel support.

Furthermore, a pressing hole is formed in the wall of the auxiliary wheel support mounting cavity and corresponds to the accommodating cavity.

Further, the front of the device main body is also provided with a reinforced gasket containing area, a reinforced gasket is arranged in the reinforced gasket containing area, and the open hole of the reinforced gasket corresponds to the axle hole.

Furthermore, a positioning sheet accommodating area is arranged behind the device main body and used for accommodating a positioning sheet to limit the device main body.

Furthermore, the device also comprises a spring positioning sheet and a spring; the spring positioning sheet is arranged on the device main body and used for sealing a port of the accommodating cavity, which is far away from the auxiliary wheel bracket mounting cavity; the spring set up in hold the intracavity, and its compression set up in fixed plug-in components with between the spring locating piece, fixed plug-in components butt one end of spring is spacing in hold the port in chamber.

Furthermore, the spring positioning sheet is also provided with a convex part; the device main part still is equipped with the recess, the bulge adaptation set up in the recess, the bulge butt in the spring is kept away from the one end of fixed plug-in components.

Further, still include the enhancement layer body, the enhancement layer body install in device main part bottom, auxiliary wheel support installation cavity runs through the enhancement layer body.

Furthermore, the bottom of the device main body is also provided with an enhancement layer containing area, and the enhancement layer body is arranged in the enhancement layer containing area.

Furthermore, the bottom of the device main body is also provided with a reinforcing protrusion, and the reinforcing protrusion penetrates through the reinforcing layer body.

Has the advantages that:

the utility model provides a convenient dismounting device for auxiliary wheels of children's bicycles, which comprises a main body provided with an auxiliary wheel bracket installation cavity, wherein the auxiliary wheel bracket installation cavity can be used for installing an auxiliary wheel bracket when at least having a lower opening; the fixed plug-in is movably arranged in the accommodating cavity, meanwhile, the accommodating cavity is communicated with the auxiliary wheel bracket mounting cavity, the fixed plug-in can be inserted into or removed from the fixing hole on the auxiliary wheel bracket through bidirectional movement, and at the moment, the auxiliary wheel bracket can be fixed or detached; compared with the prior art, the positioning piece and the fastening piece do not need to be disassembled and assembled, so that the auxiliary wheel is more convenient to disassemble and assemble. And, the auxiliary wheel support installation cavity is with the shape and the size looks adaptation of auxiliary wheel support, can make things convenient for dismouting auxiliary wheel support.

Moreover, when the auxiliary wheel support mounting cavity is provided with an upper opening, the disassembled auxiliary wheel support can be reversely placed and inserted into the auxiliary wheel support mounting cavity and fixed, so that the auxiliary wheel support can be placed and stored, inconvenience in carrying or along with a vehicle is avoided, and loss is prevented.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a perspective view of the portable dismounting device according to the embodiment from a front view;

fig. 2 is a perspective view of a bottom side view of the convenient dismounting device provided in this embodiment;

FIG. 3 is a perspective view of the portable dismounting device according to the present embodiment from a rear perspective;

FIG. 4 is a front view of the easy-to-mount/dismount apparatus provided in the present embodiment;

FIG. 5 isbase:Sub>A cross-sectional view taken along line A-A of FIG. 4;

FIG. 6 is a perspective view of the device body of the present embodiment without spring positioning pieces;

fig. 7 is a schematic exploded view of the convenient dismounting device provided in this embodiment;

fig. 8 is an installation schematic diagram of the convenient dismounting device provided in this embodiment;

fig. 9 is a schematic view of the convenient dismounting device provided in this embodiment after being mounted.

Icon:

1-a device body; 2-axle hole; 3-rear wheel axle; 4-auxiliary wheel support mounting cavity; 5-auxiliary wheel support; 6-an accommodating cavity; 7-fixing the insert; 8-pressing the hole; 9-a reinforcing gasket receiving area; 10-a reinforcing gasket; 11-a spacer receiving area; 12-a locating plate; 13-spring locating tabs; 14-a spring; 15-a projection; 16-a recess; 17-enhancement layer body; 18-a reinforcement layer accommodation area; 19-a reinforcing protrusion; 20-a rear fork; 21-fastener.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Some embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.

The embodiment provides a convenient dismounting device for an auxiliary wheel of a child bicycle, which is shown in fig. 1-9 and comprises a device main body 1, a wheel axle hole 2, an auxiliary wheel bracket mounting cavity 4, an accommodating cavity 6 and a fixing plug-in 7; the axle hole 2 is arranged on the device main body 1 and used for mounting the device main body 1 on the rear axle 3; the auxiliary wheel bracket mounting cavity 4 is arranged in the device main body 1, and is provided with an opening for mounting or accommodating the auxiliary wheel bracket 5; the accommodating cavity 6 is arranged in the device main body 1 and is communicated with the auxiliary wheel bracket mounting cavity 4; the fixing plug 7 is movably arranged in the accommodating cavity 6 and can move into or penetrate through the auxiliary wheel bracket mounting cavity 4 for fixing or releasing the fixing hole of the auxiliary wheel bracket 5.

Specifically, firstly, the device main body 1 is provided with an auxiliary wheel support mounting cavity 4, and when the auxiliary wheel support mounting cavity 4 at least has a lower opening, the auxiliary wheel support mounting cavity can be used for mounting an auxiliary wheel support; moreover, the fixed plug-in 7 is movably arranged in the accommodating cavity 6, meanwhile, the accommodating cavity 6 is communicated with the auxiliary wheel bracket mounting cavity 4, the fixed plug-in 7 can be inserted into or removed from a fixed hole on the auxiliary wheel bracket 5 through bidirectional movement, and at the moment, the auxiliary wheel bracket 5 can be fixed or detached; compared with the prior art, the positioning piece 12 and the fastening piece 21 do not need to be disassembled and assembled, so that the auxiliary wheel is more convenient to disassemble and assemble. Moreover, the auxiliary wheel bracket mounting cavity 4 is matched with the auxiliary wheel bracket 5 in shape and size, so that the auxiliary wheel bracket 5 can be conveniently dismounted. Moreover, when auxiliary wheel support installation cavity 4 still had the upper shed, the auxiliary wheel support 5 that dismantles can put upside down and insert auxiliary wheel support installation cavity 4 and fixed to realize placing of auxiliary wheel support 5 and accomodate, avoid taking with oneself or the inconvenience of carrying on the car and prevent losing.

In addition, the fixed plug-in 7 can move into or run through the auxiliary wheel support mounting cavity 4, namely the position of the front end of the fixed plug-in 7 can be flexibly adjusted, for example, the front end can move to abut against the inner wall of the hole, can run through the hole to the inner part of the hole wall, and can run through the hole and the hole wall; in addition, as for the accommodating chamber 6, a structure in which at least one end is open may be adopted for communication with the auxiliary wheel bracket mounting chamber 4; specifically, a hole type structure with both ends open (a drawing of such a structure is not shown), or a groove type structure with one end open may be employed. (1) For the hole type structure, the fixing plug 7 can adopt a plug with screw threads such as a hand-screwed bolt, moves forwards from the rear port of the accommodating cavity 6 in a rotating mode, is inserted into the fixing hole of the auxiliary wheel bracket 5 through the front port, and is connected with the accommodating cavity 6 in a screw thread mode; the plug-in unit with a rotary clamping structure can be adopted, and the plug-in unit is inserted into the fixing hole through moving from the rear port of the accommodating cavity 6 and then is rotationally clamped in the accommodating cavity 6; the structure of a moving pin can also be adopted, the moving pin is matched with a spring 14 to move, wherein the rear end of the moving pin protrudes from the rear port of the accommodating cavity 6, the spring is sleeved at the rear end part of the moving pin, meanwhile, the rear end of the spring 14 is abutted against the inner wall around the rear port of the accommodating cavity, the front end of the moving pin is automatically inserted into the fixed hole to be fixed under the action of elastic force, and when the moving pin is disassembled, the rear end of the moving pin can be pulled to overcome the elastic force of the spring and move and release the fixed hole. (2) For the slot type structure, the rear port of the hole can be sealed by the spring locating piece, at this moment, the fixed plug-in 7 can adopt a T-shaped sliding pin structure, wherein, the transverse pin part of the T-shaped sliding pin is connected in the slot type accommodating cavity 6 in a sliding way, the spring 14 is arranged between the rear end of the transverse pin part and the bottom of the slot, the transverse pin is fixed by the elastic force to enable the front end of the transverse pin to move into the fixed hole, the vertical pin part of the T-shaped sliding pin penetrates through the protrusion and is connected in the cavity wall of the accommodating cavity 6 in a sliding way, and the transverse pin part overcomes the elastic force to move and release the fixed hole by moving the vertical pin part. In addition, the fixing plug-in 7 can also adopt a fastening structure shown in the figure, wherein the fastening structure penetrates through the auxiliary wheel bracket installation cavity 4 until the fastening structure is arranged in parallel with the outer wall of the hole, the front end of the fastening structure can penetrate through the fixing hole of the auxiliary wheel bracket 5 to realize fixing by the elastic force, and the fixing hole can be directly pressed or can be released by pressing the fastening through a thin rod during disassembly.

In this embodiment, a pressing hole 8 is formed in a wall of the auxiliary wheel support mounting cavity 4, and the pressing hole 8 corresponds to the accommodating cavity 6.

Specifically, this press hole 8 is used for conveniently pressing the front end of fixed plug-in components 7, makes it remove to holding in the chamber 6 by auxiliary wheel support installation cavity 4 to the convenience is dismantled auxiliary wheel support 5.

In this embodiment, the front of the device body 1 is further provided with a reinforcing gasket accommodating area 9, a reinforcing gasket 10 is arranged in the reinforcing gasket accommodating area 9, and an opening of the reinforcing gasket 10 corresponds to the axle hole 2.

Specifically, the shape and size of the reinforcing gasket accommodating area 9 are matched with those of the reinforcing gasket 10, so that the reinforcing gasket 10 can be well limited; in addition, the opening of the reinforcing gasket 10 and the axle hole 2 can be sleeved on the rear axle 3 together, and meanwhile, the reinforcing gasket 10 is abutted between the reinforcing gasket containing area 9 and a fastening piece 21 such as a nut, so that the connecting strength and stability are improved; alternatively, reinforcing gasket 10 may be formed from a variety of materials, such as plastic sheets or metal gaskets; preferably, a metal gasket is used.

In this embodiment, a positioning sheet accommodating area 11 is disposed behind the device main body 1 and is used for accommodating a positioning sheet 12 to limit the position of the device main body 1.

Specifically, the shape and size looks adaptation of spacer holding area 11 and spacer 12, during the installation of auxiliary wheel support 5, spacer 12 holds and is spacing in this spacer holding area 11 for it is spacing to realize the rotation of auxiliary wheel support 5, makes its installation more firm.

In the embodiment, the device further comprises a spring positioning sheet 13 and a spring 14; the spring positioning sheet 13 is arranged on the device main body 1 and used for sealing a port of the accommodating cavity 6, which is far away from the auxiliary wheel bracket mounting cavity 4; the spring 14 is arranged in the accommodating cavity 6, the spring is compressed and arranged between the fixed plug-in 7 and the spring positioning sheet 13, and one end of the fixed plug-in 7, which is abutted against the spring 14, is limited at a port of the accommodating cavity 6.

Specifically, the periphery wall of the rear end of the fixed plug-in 7 is provided with a first limit convex edge, and meanwhile, the periphery wall of the front opening of the accommodating cavity 6 is provided with a second limit convex edge matched with the first limit convex edge for limiting the elastic movement of the convex fixed plug-in 7.

In this embodiment, the spring positioning plate 13 is further provided with a protrusion 15; the device body 1 is further provided with a concave portion 16, the convex portion 15 is fittingly arranged in the concave portion 16, and the convex portion 15 abuts against one end of the spring 14 far away from the fixing insert 7.

Specifically, the protruding portion 15 and the recessed portion 16 are fitted to increase the connection strength between the spring positioning piece 13 and the device body 1, and facilitate supporting the spring 14.

In this embodiment, still include enhancement layer body 17, enhancement layer body 17 installs in device main part 1 bottom, and auxiliary wheel support installation cavity 4 runs through enhancement layer body 17.

Specifically, the reinforcement layer body 17 can ensure that the lower part of the device is not damaged when the lower part of the device is subjected to the outward acting force of the auxiliary wheel bracket 5, so that the device is more firm and durable; optionally, the reinforcement layer body 17 may be made of various materials, such as plastic sheet or metal material; preferably, a metal material may be used.

In this embodiment, the bottom of the device main body 1 is further provided with a reinforced layer accommodating area 18, and the reinforced layer body 17 is installed in the reinforced layer accommodating area 18. In this embodiment, the bottom of the device main body 1 is further provided with a reinforcing protrusion 19, and the reinforcing protrusion 19 penetrates through the reinforcing layer body 17.

Specifically, the reinforcing layer accommodating area 18 and the reinforcing protrusion 19 both increase the strength of the limiting connection between the reinforcing layer body 17 and the main body of the device main body 1, and also increase the mounting and supporting strength of the auxiliary wheel bracket 5, so that the device main body 1 is more durable.

In addition, as for the assembly of the convenient dismounting device, please refer to fig. 8, first the positioning plate 12 is mounted on the rear axle 3 and is limited in the limiting groove of the rear fork 20, then the convenient dismounting device is mounted in the rear axle 3 through the axle hole 2, and is limited in the positioning plate 12 through the positioning plate accommodating area 11, and finally the device is fixed on the rear axle 3 through the fastening piece 21.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications or substitutions do not depart from the scope of the invention in its corresponding aspects.

Claims (9)

1. A convenient dismounting device for an auxiliary wheel of a child bicycle is characterized by comprising a device main body (1), a wheel axle hole (2), an auxiliary wheel bracket mounting cavity (4), an accommodating cavity (6) and a fixed plug-in (7);

the axle hole (2) is formed in the device body (1) and used for mounting the device body (1) on a rear axle (3);

the auxiliary wheel bracket mounting cavity (4) is arranged in the device main body (1) and is provided with an opening for mounting or accommodating an auxiliary wheel bracket (5);

the accommodating cavity (6) is arranged in the device main body (1) and is communicated with the auxiliary wheel bracket mounting cavity (4);

the fixing plug-in piece (7) is movably arranged in the accommodating cavity (6) and can move into or penetrate through the auxiliary wheel bracket mounting cavity (4) for fixing or releasing the fixing hole of the auxiliary wheel bracket (5).

2. The device for conveniently dismounting and mounting the auxiliary wheel of the children bicycle as claimed in claim 1, wherein a pressing hole (8) is formed in a wall of the auxiliary wheel bracket mounting cavity (4), and the pressing hole (8) corresponds to the accommodating cavity (6).

3. The device for conveniently dismounting and mounting the auxiliary wheel of the children bicycle according to claim 1, characterized in that a reinforced gasket containing area (9) is further arranged in front of the device main body (1), a reinforced gasket (10) is arranged in the reinforced gasket containing area (9), and an opening of the reinforced gasket (10) corresponds to the axle hole (2).

4. The device for conveniently dismounting and mounting the auxiliary wheel of the children bicycle as claimed in claim 1, wherein a positioning sheet accommodating area (11) is arranged at the rear of the device body (1) and used for accommodating a positioning sheet (12) so as to limit the position of the device body (1).

5. The device for conveniently dismounting and mounting the auxiliary wheel of the children's bicycle according to any one of claims 1-4, characterized by further comprising a spring positioning sheet (13) and a spring (14);

the spring positioning sheet (13) is arranged on the device main body (1) and used for sealing a port of the accommodating cavity (6) far away from the auxiliary wheel bracket mounting cavity (4);

the spring (14) is arranged in the accommodating cavity (6), the spring is compressed between the fixed plug-in unit (7) and the spring positioning plate (13), and the fixed plug-in unit (7) is abutted against one end of the spring (14) and is limited at a port of the accommodating cavity (6).

6. The device for conveniently dismounting and mounting the auxiliary wheel of the children's bicycle according to claim 5, wherein the spring positioning plate (13) is further provided with a convex part (15);

the device main body (1) is further provided with a concave portion (16), the convex portion (15) is matched and arranged in the concave portion (16), and the convex portion (15) abuts against one end, far away from the fixed plug-in piece (7), of the spring (14).

7. The device for conveniently dismounting and mounting the auxiliary wheel of the children's bicycle according to any one of claims 1-4 and 6, further comprising a reinforced layer body (17), wherein the reinforced layer body (17) is mounted at the bottom of the device main body (1), and the auxiliary wheel bracket mounting cavity (4) penetrates through the reinforced layer body (17).

8. The device for conveniently dismounting and mounting the auxiliary wheel of the children's bicycle according to claim 7, is characterized in that a reinforced layer accommodating area (18) is further arranged at the bottom of the device main body (1), and the reinforced layer body (17) is mounted in the reinforced layer accommodating area (18).

9. The device for conveniently dismounting and mounting the auxiliary wheel of the children bicycle as claimed in claim 7, wherein a reinforcing protrusion (19) is further arranged at the bottom of the device main body (1), and the reinforcing protrusion (19) penetrates through the reinforcing layer body (17).

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