CN210391277U

CN210391277U - Supporting disk structure of shopping cart universal wheel

Info

Publication number: CN210391277U
Application number: CN201921545403.9U
Authority: CN
Inventors: 唐祖国; 唐海斌
Original assignee: Jiangsu Shajiabang Metal Tech Co ltd
Current assignee: Jiangsu Shajiabang Metal Tech Co ltd
Priority date: 2019-09-17
Filing date: 2019-09-17
Publication date: 2020-04-24
Anticipated expiration: 2029-09-17

Abstract

A supporting disk structure of a shopping cart universal wheel belongs to the technical field of commercial facilities. Including gyro wheel gyration seat, wheel body and swivel bearing, gyro wheel gyration seat constitutes a pair of backup pad downwards, is formed with the roller chamber between a pair of backup pad, and the wheel body is established in the roller chamber and is supported in the backup pad of both sides, characteristics: the left and right sides of wheel body is equipped with the supporting disk chamber to the indent respectively, be equipped with the supporting disk in the supporting disk intracavity, the supporting disk hole has been seted up at the middle part of supporting disk, it has the backup pad to inlay the chamber to make progress to constitute on the lateral surface of supporting disk, establish the supporting disk spindle nose suddenly on the medial surface of supporting disk, establish boss and cavity on the medial surface of supporting disk spindle nose, the lower extreme slant of supporting disk is down constituted there is the supporting legs, it inlays the position department at chamber middle part to lie in the backup pad on the lateral surface of supporting disk and constitutes respectively there is the arc, the. The assembly difficulty is reduced, and the use safety is improved; the risk of the support disc being hit is reduced.

Description

Supporting disk structure of shopping cart universal wheel

Technical Field

The utility model belongs to the technical field of commercial facility, concretely relates to supporting disk structure of shopping cart universal wheel.

Background

The shopping cart is the most common tool in supermarkets and shopping malls, the shopping cart is of various types, most of the shopping carts are used for loading and transporting goods by adopting a structure that a basket is matched with a pushing handle and a universal wheel, wherein the universal wheel is one of the main parts of the shopping cart, and not only is the effect of flexibly steering the shopping cart realized, but also the shopping cart can be safely and reliably fixed on an inclined elevator. The existing universal wheel generally adopts a structure that an outer roller wheel is embedded in an elevator groove and an inner fixed wheel is placed on an elevator boss to fix the universal wheel on an inclined elevator, but in use, the accident that a shopping cart slips off from the inclined elevator sometimes occurs, in order to improve the safety of the universal wheel, some manufacturers adopt a structure that supporting blocks are arranged on two sides of the wheel body, and also adopt a structure that supporting legs are formed by downwards extending and bending edges on two sides of a roller seat, the supporting blocks on two sides of the roller seat often deflect along with the screwing of a wheel shaft when the supporting legs are fixedly installed, the adjustment is very troublesome, the latter has poor viewing effect, and the protruded supporting legs often suffer from collision in the use process, so that the situation that the supporting legs are bent is caused, and the safety of the shopping cart is greatly reduced.

In view of the above, there is a need for a support disc structure for a universal wheel of a shopping cart that is simple in structure, highly aesthetically pleasing, and does not deflect during installation and impact. The applicant has therefore made an advantageous design, in the context of which the solution to be described below is made.

Disclosure of Invention

The utility model aims at providing a supporting disk structure of shopping cart universal wheel helps improving the supporting disk structure of universal wheel and prevents that the supporting disk from taking place the condition of deflecting at installation and striking in-process, is favorable to supporting disk and universal wheel closely to cooperate and reduce the supporting disk and receive the risk of striking.

In order to achieve the above purpose, the utility model provides a technical scheme is: the utility model provides a supporting disk structure of shopping cart universal wheel, includes a gyro wheel roating seat, a wheel body and a swivel bearing who sets up on the gyro wheel roating seat, the gyro wheel roating seat constitute downwards have a pair of backup pad, a pair of backup pad between be formed with a roller chamber, the wheel body set up in the roller chamber and rotationally support in the backup pad of both sides, its characterized in that: the left side and the right side of the wheel body are respectively provided with a support disc cavity inwards in an inwards concave manner, the support disc cavities are respectively provided with a support disc matched with the wheel body in an embedded manner, the middle part of the support disc is provided with a support disc hole, the outer side surface of the support disc is respectively upwards provided with a support disc embedded cavity communicated with the support disc hole and used for the support disc to be matched in an embedded manner, the inner side surface of the support disc is respectively and inwards provided with a circle of support disc shaft head around the support disc hole in an inwards convex manner, the inner side surface of the support disc shaft head is respectively provided with a boss and a concave cavity, the boss and the concave cavity on the support disc on the left side are respectively connected with the concave cavity and the boss on the support disc on the right side in an embedded manner, the lower end of the support disc is respectively and downwards obliquely provided with a support leg, the arc-shaped plates clamp the supporting plates in the corresponding supporting plate embedding cavities.

In a specific embodiment of the present invention, the wheel body includes a roller bearing and a roller rotatably disposed on the roller bearing, the supporting disk cavity is respectively formed on the left and right side surfaces of the roller, the left and right side surfaces of the roller bearing respectively protrude from the supporting disk cavity, the roller bearing is provided with a shaft hole and a left and right sides along the left and right directions, the supporting disk spindle head of the supporting disk respectively passes through the shaft hole interconnection, the wheel body and the roller revolving bed are fixedly connected through a bolt, the bolt respectively passes through the supporting plates of the two sides and is arranged in the supporting disk holes of the left and right side supporting disks, and the supporting disks of the two sides are respectively pressed on the left and right side surfaces of the roller bearing.

In another specific embodiment of the present invention, the outer side surface of the roller is provided with a set of grooves spaced apart in the circumferential direction, and the top of the roller cavity is provided with a groove cleaning tooth at a position corresponding to the grooves.

In another embodiment of the present invention, the rotary bearing is fixed at a position above the roller turret by a rotary bearing housing.

In another specific embodiment of the present invention, the shape of the cavity embedded in the supporting plate is identical to the shape of the cavity below the supporting plate, and the front and rear side surfaces and the lower end surface of the supporting plate respectively abut against the front and rear side surfaces and the bottom surface of the cavity embedded in the supporting plate.

The utility model discloses owing to adopt behind the above-mentioned structure, beneficial effect who has: firstly, because the structure that the left support disc and the right support disc are mutually connected and are in embedded connection with the support plates is adopted, the situation that the support discs deflect around the bolt in the same or opposite directions in the assembling and impacting processes is prevented, the assembling difficulty of the universal wheel is effectively reduced, and the safety of the universal wheel is improved; secondly, owing to adopted the supporting disk to inlay the structure of establishing in the wheel body, therefore the supporting disk is inseparabler with the cooperation of wheel body, has reduced the supporting disk effectively and has received the risk of striking.

Drawings

Fig. 1 is a schematic perspective view of an embodiment of the present invention.

In the figure: 1. the roller comprises a roller rotary seat, 11 supporting plates, 12 roller cavities and 13 groove cleaning teeth; 2. the roller comprises a wheel body, a support disc cavity 21, a roller bearing 22, a shaft hole 221, a roller 23, a roller 231 and a wheel groove; 3. a rotary bearing 31. a rotary bearing cover; 4. the supporting plate comprises a supporting plate, 41 parts of supporting plate holes, 42 parts of supporting plate embedding cavities, 43 parts of supporting plate shaft heads, 44 parts of bosses, 45 parts of concave cavities, 46 parts of supporting legs and 47 parts of arc-shaped plates; 5. and (4) bolts.

Detailed Description

The following is a detailed description by way of example, but the description of the example is not intended to limit the scope of the present invention, and any equivalent changes made according to the present invention, which are merely formal and insubstantial, should be considered as technical solutions of the present invention.

In the following description, all the concepts related to the directions or orientations of up, down, left, right, front and back are given with respect to the position state of fig. 1, and thus should not be interpreted as limiting the technical solution provided by the present invention.

Referring to fig. 1, the present invention relates to a supporting disk structure of a shopping cart universal wheel, including a roller revolving base 1, a wheel body 2 and a rotary bearing 3 disposed on the roller revolving base 1, wherein the roller revolving base 1 is downwardly formed with a pair of supporting plates 11, a roller cavity 12 is formed between the pair of supporting plates 11, the wheel body 2 is disposed in the roller cavity 12 and rotatably supported on the supporting plates 11 at both sides, and the supporting disk structure is characterized in that: the supporting device is characterized in that the left side and the right side of the wheel body 2 are respectively inwards provided with a supporting disc cavity 21 in an inwards concave manner, the supporting disc cavity 21 is internally provided with a supporting disc 4 which is embedded with the wheel body 2, the middle part of the supporting disc 4 is provided with a supporting disc hole 41, the outer side surface of the supporting disc 4 is respectively upwards provided with a supporting disc embedding cavity 42 which is communicated with the supporting disc hole 41 and is used for embedding the supporting plate 11, the inner side surface of the supporting disc 4 is respectively and inwards provided with a circle of supporting disc spindle heads 43 around the supporting disc hole 41, the inner side surface of the supporting disc spindle heads 43 is respectively provided with a boss 44 and a cavity 45, the boss 44 and the cavity 45 on the supporting disc 4 on the left side are respectively embedded and connected with the cavity 45 and the boss 44 on the supporting disc 4 on the right side, the lower end of the supporting disc 4 is respectively and downwards obliquely formed with a supporting foot 46, and the position on the outer side surface of the supporting, the arc-shaped plates 47 clamp the support plates 11 in the corresponding support plate embedding cavities 42.

Further, the wheel body 2 includes a roller bearing 22 and a roller 23 rotatably disposed on the roller bearing 22, the supporting disc cavity 21 is formed on the left and right side surfaces of the roller 23, the left and right side surfaces of the roller bearing 22 respectively protrude out of the supporting disc cavity 21, a shaft hole 221 is formed in the middle of the roller bearing 22 along the left and right directions, the supporting disc shaft heads 43 of the supporting discs 4 on the left and right sides respectively penetrate through the shaft hole 221 to be mutually embedded and connected, the wheel body 2 is fixedly connected with the roller revolving base 1 through a bolt 5, and the bolt 5 penetrates through the supporting plates 11 on the two sides and penetrates through the supporting disc holes 41 of the supporting discs 4 on the left and right sides to press the supporting discs 4 on the left and right side surfaces of the roller bearing 22 respectively.

Furthermore, a set of wheel grooves 231 are arranged on the outer side surface of the roller 23 at intervals along the circumferential direction, and the top of the roller cavity 12 is respectively provided with a cleaning tooth 13 at a position corresponding to the wheel grooves 231.

Further, the rotary bearing 3 is fixed at an upper position of the roller turret 1 through a rotary bearing housing 31.

Furthermore, the shape of the supporting plate embedding cavity 42 is matched with the shape below the supporting plate 11, and the front side surface, the rear side surface and the lower end surface of the supporting plate 11 are respectively abutted against the front side surface, the rear side surface and the bottom surface of the supporting plate embedding cavity 42.

Referring to fig. 1, when the universal wheel needs to be assembled, the supporting discs 4 on the left and right sides are first embedded into the corresponding supporting disc cavities 21 and abut against the left and right side surfaces of the roller bearings 22, the supporting disk shaft heads 43 respectively penetrate through the shaft holes 221 and are connected with the corresponding concave cavities 45 through mutual embedding between the bosses 44, the supporting plates 11 on the roller revolving seat 1 are respectively embedded in the supporting plate embedding cavities 42 of the supporting disks 4 on the left side and the right side, the outer sides of the supporting plates 11 are blocked by the arc-shaped plates 47, and finally the roller revolving seat 1, the wheel body 2 and the supporting disks 4 are fixedly connected by the bolts 5, during the process of screwing the bolt 5, the supporting discs 4 at the left side and the right side are mutually connected and cannot deflect in opposite directions, the support plate 11 and the support plate embedding cavity 42 are embedded, and the support plates 4 on the left side and the right side cannot deflect in the same direction.

Claims

1. The utility model provides a supporting disk structure of shopping cart universal wheel, includes a gyro wheel revolving bed (1), a wheel body (2) and a swivel bearing (3) of setting on gyro wheel revolving bed (1), gyro wheel revolving bed (1) constitute downwards and have a pair of backup pad (11), a pair of backup pad (11) between be formed with a roller chamber (12), wheel body (2) set up in roller chamber (12) and rotatoryly support on backup pad (11) of both sides, its characterized in that: the left side and the right side of the wheel body (2) are respectively inwards provided with a supporting disc cavity (21), the supporting disc cavity (21) is internally provided with a supporting disc (4) which is embedded with the wheel body (2), the middle part of the supporting disc (4) is provided with a supporting disc hole (41), the outer side surface of the supporting disc (4) is respectively upwards formed with a supporting disc embedding cavity (42) which is communicated with the supporting disc hole (41) and is used for embedding the supporting plate (11), the inner side surface of the supporting disc (4) is respectively and inwards convexly provided with a circle of spindle head supporting disc (43) around the supporting disc hole (41), the inner side surface of the spindle head supporting disc (43) is respectively provided with a boss (44) and a concave cavity (45), the boss (44) and the concave cavity (45) on the supporting disc (4) on the left side are respectively and are embedded with the concave cavity (45) and the boss (44) on the supporting disc (4) on the right side, the lower extreme of supporting disk (4) respectively constitute down to one side and have a supporting leg (46), the lateral surface of supporting disk (4) on lie in the backup pad inlay the position department in chamber (42) middle part and constitute respectively and have an arc (47), arc (47) with backup pad (11) centre gripping in corresponding backup pad inlay chamber (42).

2. The supporting disk structure of the shopping cart universal wheel according to claim 1, wherein the wheel body (2) comprises a roller bearing (22) and a roller (23) rotatably disposed on the roller bearing (22), the supporting disk cavity (21) is respectively formed on the left and right side surfaces of the roller (23), the left and right side surfaces of the roller bearing (22) respectively protrude from the supporting disk cavity (21), a shaft hole (221) is formed in the middle of the roller bearing (22) along the left and right direction, the supporting disk shaft heads (43) of the supporting disks (4) on the left and right sides respectively penetrate through the shaft hole (221) to be connected with each other, the wheel body (2) and the roller revolving base (1) are fixedly connected through a bolt (5), the bolt (5) respectively penetrates through the supporting plates (11) on both sides and is inserted into the supporting disk holes (41) of the supporting disks (4) on the left and right sides to press the supporting disks (4) on the left side of the roller bearing (22) respectively On the right two side faces.

3. The supporting disk structure of the shopping cart universal wheel according to claim 1, wherein a set of wheel grooves (231) are formed on the outer side surface of the roller (23) at intervals along the circumferential direction, and the top of the roller cavity (12) is respectively provided with a cleaning tooth (13) at a position corresponding to the wheel grooves (231).

4. A supporting disc structure for the universal wheel of shopping cart as claimed in claim 1, characterized in that the rotation bearing (3) is fixed at the upper position of the roller revolving base (1) by a rotation bearing housing (31).

5. The structure of claim 1, wherein said cavity (42) is shaped to fit under said support plate (11), and said support plate (11) has front and rear sides and lower ends respectively abutting against front and rear sides and bottom of said cavity (42).