CN214523198U

CN214523198U - Wheel mounting structure and shopping box of shopping box

Info

Publication number: CN214523198U
Application number: CN202120364899.0U
Authority: CN
Inventors: 鲍逸怡
Original assignee: Ningbo Xiangshan Huasheng Plastic Products Co ltd
Current assignee: Ningbo Huasheng Plastic Products Co ltd
Priority date: 2021-02-07
Filing date: 2021-02-07
Publication date: 2021-10-29
Anticipated expiration: 2031-02-07

Abstract

The utility model discloses a wheel mounting structure of a shopping box and the shopping box, which comprises wheels and a wheel shaft, wherein the wheel shaft is arranged in a wheel shaft channel at the bottom of a box body in a penetrating way, the outer end of the wheel shaft extends out of the wheel shaft channel to form a shaft extending section, and the wheels are detachably connected on the shaft extending section; after the wheels are disassembled from the wheel shafts, the shaft extension sections can retract inwards for a certain distance; after the wheels are disassembled from the wheel shafts, the wheel shafts exposed out of the box body can retract inwards, and potential safety hazards of the shaft extending sections are eliminated.

Description

Wheel mounting structure and shopping box of shopping box

Technical Field

The utility model relates to a storage tank especially relates to a wheel mounting structure of shopping box.

Background

The shopping mall is the main place for people to shop, and the pull rod type shopping box is used for customers to contain articles for shopping.

Pull rod type shopping cases generally include a case, a movable wheel disposed at the bottom of the case, and a pull rod disposed on the case.

The publication number is CN 106114593A's shopping box, and the rear side of box is equipped with the standing groove, and the inside of standing groove is equipped with the lifting rod.

The utility model discloses a foldable shopping cart with wheel of climbing stairs for CN21122315U, it is disclosed that front plate and back plate are equipped with the universal wheel respectively, climb the building wheel and install in the back plate bottom.

The stair climbing wheel is arranged at the outer end of a wheel shaft penetrating through the shopping cart, the outer section of the wheel shaft extends out, and when the stair climbing wheel is detached, the extending section of the wheel shaft becomes a potential safety hazard.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of a wheel mounting structure with a retractable wheel axle; when the wheel is removed from the axle, the axle may be retracted into the shopping box.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: the wheel mounting structure of the shopping box comprises wheels and a wheel shaft, wherein the wheel shaft is arranged in a wheel shaft channel at the bottom of the box body in a penetrating manner, the outer end of the wheel shaft extends out of the wheel shaft channel to form a shaft extending section, and the wheels are detachably connected to the shaft extending section; the shaft extension may be retracted inwardly a distance after the wheel is removed from the axle.

The utility model discloses further preferred scheme does: the wheel shaft is of a telescopic structure.

The utility model discloses further preferred scheme does: the wheel shaft is of a one-section structure, and the wheel shaft integrally moves a certain distance into the wheel shaft channel.

The utility model discloses further preferred scheme does: a locking piece is arranged on the wheel axle channel of the box body and locks the wheel axle to prevent the wheel axle from moving; when the locking piece is released, the axle can move in the axle channel.

The utility model discloses further preferred scheme does: the locking piece is an elastic piece, and a first limiting groove and a second limiting groove are formed in the wheel shaft; when the elastic piece is clamped in the first limiting groove, the wheel shaft is in an extending state; when the U-shaped elastic piece is clamped in the second limiting groove, the wheel shaft is in a retraction state.

The utility model discloses further preferred scheme does: the elastic piece comprises a straight clamping part and a horn-shaped clamping part, the straight clamping part is used for clamping the limiting groove, and the horn-shaped clamping part is clamped on the conical body; the elastic piece moves upwards, and after the straight clamping part expands, the straight clamping part leaves the limiting groove so that the wheel axle can move.

The utility model discloses further preferred scheme does: the elastic piece also comprises a U-shaped bottom at the lower end of the straight clamping part, and the U-shaped bottom is used as a handheld operation part.

The utility model discloses further preferred scheme does: the wheel shaft is provided with a limiting part, the box body is provided with a limiting wall, and the limiting part is matched with the limiting wall to limit the extension range of the wheel shaft.

The utility model discloses further preferred scheme does: the limiting part comprises a third limiting groove on the wheel shaft and an elastic buckle clamped on the third limiting groove.

Another preferred subject of the present invention is: the shopping box comprises the wheel mounting structure.

Compared with the prior art, the utility model has the advantages that the wheel is followed the epaxial dismantlement back of wheel, exposes in the shaft of box and can inwards contract back, eliminates the potential safety hazard of axle extension section.

Drawings

The present invention will be described in further detail below with reference to the drawings and preferred embodiments, but those skilled in the art will appreciate that the drawings are only drawn for the purpose of explaining the preferred embodiments, and therefore should not be taken as limiting the scope of the present invention. Furthermore, unless specifically stated otherwise, the drawings are merely schematic representations based on conceptual representations of elements or structures depicted and may contain exaggerated displays and are not necessarily drawn to scale.

FIG. 1 is a schematic view of the overall structure of a shopping box of the present invention;

FIG. 2 is a schematic view of the overall structure of the shopping box of the present invention;

fig. 3 is an exploded view of the wheel mounting structure of the present invention;

fig. 4 is a schematic view of the present invention with the center axle in an extended state;

fig. 5 is a schematic view of the middle wheel shaft in a retracted state according to the present invention;

fig. 6 is an assembly view of the wheel mounting structure of the present invention;

FIG. 7 is a state diagram of the utility model when the box cover is turned upwards;

FIG. 8 is a schematic view of the cover during rotation in a vertical reference plane;

FIG. 9 is a schematic view of the cover covering the outside of the side walls after rotation;

fig. 10 is a schematic view of a rotary connection structure of the present invention;

fig. 11 is a schematic view of a partial structure of the middle box body of the present invention;

fig. 12 is an enlarged view of fig. 11 at B according to the present invention;

FIG. 13 is a schematic view of a partial structure of the middle box of the present invention;

fig. 14 is an enlarged view of fig. 13 at C according to the present invention;

fig. 15 is an enlarged view of a portion a in fig. 10 according to the present invention;

FIG. 16 is a schematic view of the overall structure of the elastic member and the elastic buckle;

fig. 17 is a schematic view of the overall structure of the rotating member of the present invention;

fig. 18 is a schematic view of the overall structure of the connecting portion of the present invention;

fig. 19 is a schematic view of the overall structure of the locking member of the present invention;

fig. 20 is a partial enlarged view of fig. 4 according to the present invention;

fig. 21 is an enlarged view of a portion E of fig. 5 according to the present invention;

fig. 22 is a partially enlarged view of F in fig. 6 according to the present invention.

Detailed Description

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. Those skilled in the art will appreciate that the description is illustrative only, and is not to be construed as limiting the scope of the invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, 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 orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

The bottom of the shopping box is provided with universal wheels, and the wheels are arranged at the side parts of the shopping box; such as large wheels or climbing wheels; for example, the present invention relates to a mounting arrangement for a side wheel axle of a shopping box.

As shown in fig. 1-6, the shopping box 100 includes a wheel mounting structure 101. The wheel mounting structure 101 comprises wheels 10 and an axle 20, wherein the axle 20 is arranged in an axle channel h at the bottom of a box body 102 in a penetrating manner, the outer end of the axle 20 extends out of the axle channel h to form an axle extending section 21, and the wheels 10 are detachably connected to the axle extending section 201; the axle extension 21 can be retracted inwardly a distance after the wheel 10 is removed from the axle 20.

After the wheel 10 is detached from the wheel axle 20, the wheel axle 20 exposed out of the box body 102 can retract inwards, so that the potential safety hazard of the extending section of the wheel axle 20 is eliminated.

The axle 20 in this embodiment may be of a telescoping construction. The axle 20 is formed from multiple segments that are telescopically joined together so that the axle 20 can be extended outwardly to secure the wheel 10 or the wheel 20 retracted to conceal the axle 20.

As shown in fig. 20 to 22, the axle 20 of the present embodiment is a one-step structure, and the axle 20 can be integrally moved a distance into the axle passage h.

Specifically, the axle passage h of the housing 102 is provided with a locking member which locks the axle 20 to prevent the movement of the axle 20; when the lock is released, the axle 20 can move within the axle passage h.

Preferably, as shown in fig. 16, the locking member in this embodiment is an elastic member 30, and the axle 20 is provided with a first restriction groove 21 and a second restriction groove 22; when the elastic piece 30 is clamped in the first limiting groove 21, the wheel shaft 20 is in an extending state; when the elastic member 30 is held in the second restriction groove 22, the axle 20 is in a retracted state. Preferably, the elastic member 30 in this embodiment has a U-shaped structure.

As shown in fig. 16, the elastic member 30 includes a straight clamping portion 31 and a trumpet-shaped clamping portion 32, the straight clamping portion 31 is used for clamping the restriction groove, and the trumpet-shaped clamping portion 32 is clamped on the cone 40; the elastic member 30 moves upward, and after the straight clamping portion 31 expands, the straight clamping portion 31 leaves the restriction groove to allow the wheel axle 20 to move.

Preferably, in practical applications, the elastic member 30 further includes a U-shaped bottom portion 33 at the lower end of the straight clamping portion 31, and the U-shaped bottom portion 33 serves as a hand-held operation portion.

As shown in fig. 20-22 and fig. 16, the axle 20 is provided with a limiting portion 23, the case 102 is provided with a limiting wall b, and the limiting portion 23 cooperates with the limiting wall b to limit the extension range of the axle 20. Preferably, the stopper 23 includes a third limiting groove 24 on the axle 20 and an elastic buckle 25 caught on the third limiting groove 24.

As shown in fig. 7 to 10 and 15, the shopping box 100 further includes a rotary connecting structure 104 between the box cover 103 and the box body 102, the rotary connecting structure 104 enables the box cover 103 to be rotatably covered and opened on the box body 102, and includes a rotary member 50 connected to a side wall 105 of the box body 102 and a connecting portion 60 arranged on the inner side of the box cover 103, the outer end of the rotary member 50 is provided with a circular member 51, and the connecting portion 60 is provided with a circular groove 61 for the circular member 51 to rotate; the box cover 103 is turned to be in a vertical state and is positioned on the outer side of the vertical plane where the side wall of the box body 102 is positioned; the cover 103 is rotatable in a vertical reference plane in the vertical state based on the circular member 51 engaging with the circular groove 61. The reference plane is a plane on which the reference line L is located.

Firstly, the box cover 103 is rotated to a vertical state and is positioned on the outer side of a vertical plane where the side wall 105 of the box body 102 is positioned; based on circular member 51 and circular recess 61 cooperation, case lid 103 can rotate in this vertical state place vertical reference plane to follow-up case lid 103 of accomodating in the outside of box wall, it is comparatively simple, the operation is convenient in the structure.

In actual rotation, as shown in fig. 8 to 9, the cover 103 is rotated 180 degrees in the vertical plane of the vertical state and covers the outside of the side wall 105.

Specifically, as shown in fig. 15, the inner end of the rotating member 50 on the rotating connecting structure 104 is provided with a shaft connecting end 52, and the shaft connecting end 52 is connected to the side wall of the box body. Preferably, the pivot end 52 pivots on an inner sidewall t of the housing 102.

As shown in fig. 17, the rotating member 50 in this embodiment is an L-shaped structure, which includes a vertical arm 01 and a horizontal arm 02 integrally formed, a shaft connection end 52 is provided at the lower end of the vertical arm 01, and a circular member 51 is provided at the front end of the horizontal arm 02.

Preferably, the connecting portion 60 of the rotary connecting structure 104 is mounted on the inner surface of the cover 103 by a snap structure k. In actual installation, the snap structure k is snapped against the upper surface of the connecting portion 60.

As shown in fig. 15, 17 and 18, the connecting portion 60 outside the circular groove 61 is provided with a restricting rim 62, and the restricting rim 62 restricts the circular member 51 from being detached from the connecting portion.

Preferably, a damping limiting structure f is disposed between the outer surface of the circular member 51 and the inner surface of the circular groove 61 in the present embodiment to limit the rotation amplitude of the circular member 51 relative to the circular groove 61, and the damping limiting structure f is a concave-convex limiting structure.

It should be noted that the other side of the box cover 103 in this embodiment is provided with a slidable locking member 70, as shown in fig. 11 to 14 and 19, the locking member 70 is configured to extend into the lower side of the locking plate 105 on the box body 102 to lock the box cover 103 in the closed state.

Specifically, the locking member 70 includes a sliding portion 71 exposed from the cover 103 and a latch 72 located inside the cover 103. The outer end of the bolt 72 is formed with a first protrusion upwards, the outer end of the locking plate 105 is formed with a second protrusion downwards, and the bolt 72 extends to the locking plate 105 of the box body 102 until the second protrusion is completely extended, and the second protrusion plays a role in further preventing the first protrusion from being separated from the locking plate 105.

In the above technical solution, when actually opening or closing the box cover 103, the box cover 103 may be rotated to a vertical state and located outside a vertical plane where the sidewall 105 of the box body 102 is located; based on circular member 51 and circular recess 61 cooperation, case lid 103 can rotate in this vertical state place vertical reference plane to follow-up case lid 103 of accomodating in the outside of box wall, it is comparatively simple, the operation is convenient in the structure.

It is right above the utility model provides a wheel mounting structure and shopping box of shopping box have carried out detailed introduction, and it is right to have used specific individual example herein the utility model discloses a principle and implementation mode have been elucidated, and the explanation of above embodiment is only used for helping to understand the utility model discloses and core thought. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims

1. The wheel mounting structure of the shopping box is characterized by comprising wheels and wheel shafts, wherein the wheel shafts are arranged in wheel shaft channels at the bottom of the box body in a penetrating mode, the outer ends of the wheel shafts extend out of the wheel shaft channels to form shaft extending sections, and the wheels are detachably connected to the shaft extending sections; the shaft extension may be retracted inwardly a distance after the wheel is removed from the axle.

2. A wheel mounting structure for a shopping box as claimed in claim 1, wherein the axle is of a telescopic construction.

3. The shopping box wheel mounting arrangement as claimed in claim 1, wherein the axle is a one-piece construction, the axle moving bodily a distance into the axle passage.

4. A wheel mounting structure for a shopping box as claimed in claim 3, wherein the wheel passage of the housing is provided with a locking member, the locking member locking the wheel shaft to prevent movement of the wheel shaft; when the locking piece is released, the axle can move in the axle channel.

5. The wheel mounting structure for a shopping box as claimed in claim 4, wherein the locking member is an elastic member, and the wheel shaft is provided with a first restriction groove and a second restriction groove; when the elastic piece is clamped in the first limiting groove, the wheel shaft is in an extending state; when the elastic piece is clamped in the second limiting groove, the wheel shaft is in a retraction state.

6. The wheel mounting structure for a shopping box according to claim 5, wherein the elastic member includes a straight clamping portion for clamping the restriction groove and a trumpet-shaped clamping portion clamped to the tapered body; the elastic piece moves upwards, and after the straight clamping part expands, the straight clamping part leaves the limiting groove so that the wheel shaft can move.

7. The wheel mounting structure for a shopping box as claimed in claim 6, wherein the elastic member further includes a U-shaped bottom portion at a lower end of the straight grip portion, the U-shaped bottom portion serving as a hand-held operation portion.

8. The wheel mounting structure of a shopping box as claimed in claim 4, wherein the axle is provided with a limiting portion, the box body is provided with a limiting wall, and the limiting portion and the limiting wall cooperate to limit the extension of the axle.

9. The wheel mounting structure of a shopping box as claimed in claim 8, wherein the limiting portion includes a third limiting groove on the wheel shaft and an elastic buckle clamped on the third limiting groove.

10. A shopping box characterized by comprising the wheel mounting structure according to any one of claims 1 to 9.