CN220482990U - Caster structure of case - Google Patents
Caster structure of case Download PDFInfo
- Publication number
- CN220482990U CN220482990U CN202322212403.XU CN202322212403U CN220482990U CN 220482990 U CN220482990 U CN 220482990U CN 202322212403 U CN202322212403 U CN 202322212403U CN 220482990 U CN220482990 U CN 220482990U
- Authority
- CN
- China
- Prior art keywords
- wheel disc
- wheel
- lubricating oil
- positioning
- rim
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 239000010687 lubricating oil Substances 0.000 claims abstract description 25
- 238000005187 foaming Methods 0.000 claims description 4
- 238000005299 abrasion Methods 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Landscapes
- Purses, Travelling Bags, Baskets, Or Suitcases (AREA)
Abstract
The utility model discloses a luggage caster structure, which comprises a wheel disc, wherein a rim is fixed on the outer edge of the wheel disc, the wheel disc is provided with a shaft hole for a wheel shaft to penetrate, a spiral lubricating oil slot is arranged in the shaft hole, and a lubricating oil cavity communicated with the lubricating oil slot is arranged in the wheel disc. In the luggage caster structure, a spiral lubricating oil slot is arranged in a shaft hole, and a lubricating oil cavity communicated with the lubricating oil slot is arranged in a wheel disc. When the wheel axle rotates in the axle hole, lubricating oil is taken out through the spiral lubricating oil seam, so that the wheel axle is automatically lubricated, the caster wheels are in an optimal state at all times, the abrasion of parts can be effectively prevented, and the service life of products is prolonged.
Description
Technical Field
The utility model relates to a luggage accessory structure, in particular to a luggage caster structure.
Background
The luggage truckle is the important accessory of traveling case and bag, can see very easily in the life, drags the luggage through rolling truckle, and the friction of the case and bag and ground that significantly reduces has improved the portability of case and bag. Conventional luggage casters generally comprise a wheel disc and a wheel rim, wherein a through hole in the middle of the wheel disc is penetrated and provided with a wheel shaft. In the prior art, sliding fit is adopted between the wheel shaft and the wheel disc, so that lubricating oil needs to be added between the wheel shaft and the wheel disc through holes frequently, and if not, abrasion between the wheel shaft and the wheel disc can be caused. In addition, when adding lubricating oil, can only add from the rim plate both ends face, lubricating oil is difficult to get into rim plate through-hole middle part, also leads to appearing wearing and tearing easily, influences the life of product.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a luggage caster structure which can be provided with a good lubricating structure, can effectively prevent parts from being worn, and is beneficial to prolonging the service life of products.
In order to solve the technical problems, the luggage caster structure comprises a wheel disc, wherein a rim is fixed on the outer edge of the wheel disc, the wheel disc is provided with a shaft hole for a wheel shaft to penetrate, a spiral lubricating oil slot is arranged in the shaft hole, and a lubricating oil cavity communicated with the lubricating oil slot is formed in the wheel disc.
The wheel disc comprises a first wheel disc and a second wheel disc, the first wheel disc and the second wheel disc are connected and fixed through fasteners, the wheel rim is formed by foaming plastic and is fixed on the outer edges of the first wheel disc and the second wheel disc, protruding lugs protruding towards two end faces are arranged on the inner side of the wheel rim, a first positioning protrusion and a second positioning protrusion which are opposite to each other are respectively arranged on the first wheel disc and the second wheel disc, and a positioning concave ring which is used for the corresponding clamping of the first positioning protrusion and the second positioning protrusion is arranged on the outer side of the lugs. The first wheel disc and the second wheel disc are adopted to fix the rim formed by the foaming plastic, the rim formed by the foaming plastic is in contact with the ground, the good buffering effect is achieved, vibration in the luggage dragging process can be effectively reduced, and the comfort of product use is improved.
The inner side of the lug is a convex cambered surface, the first wheel disc and the second wheel disc are provided with a first arc bearing surface and a second arc bearing surface which are correspondingly matched with the convex cambered surface, and the lug can slightly swing laterally relative to the first wheel disc and the second wheel disc, so that the adaptability of the rim is better.
The fastener is a matched assembly of a screw and a nut, the end face of the first wheel disc is provided with a plurality of concave holes, the nut is embedded in the concave holes, the end face of the second wheel disc is provided with a plurality of positioning holes, and the screw penetrates through the positioning holes to be connected and fixed with the nut. The installation structure is stable, easy to assemble and disassemble and convenient for production and maintenance of products.
The middle part of the first wheel disc is provided with a through hole, the middle part of the second wheel disc is provided with a boss which is inserted into the through hole to form fit, and the outer side of the boss is provided with a plurality of raised supporting bars, so that the first wheel disc and the second wheel disc are easy to assemble and position, and the structure is more compact.
The decorative cover is arranged on the outer end face of the first wheel disc, a plurality of positioning hooks are arranged on the inner side of the decorative cover, and a plurality of square holes which are correspondingly matched with the positioning hooks are formed in the end face of the first wheel disc. The decorative cover protects the inside of the caster well, and the product is more beautiful.
The beneficial effects of the utility model are as follows: in the luggage caster structure, a spiral lubricating oil slot is arranged in a shaft hole, and a lubricating oil cavity communicated with the lubricating oil slot is arranged in a wheel disc. When the wheel axle rotates in the axle hole, lubricating oil is taken out through the spiral lubricating oil seam, so that the wheel axle is automatically lubricated, the caster wheels are in an optimal state at all times, the abrasion of parts can be effectively prevented, and the service life of products is prolonged.
Drawings
The utility model will be described in further detail with reference to the drawings and the detailed description.
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is one of the exploded structural schematic views of the present utility model;
FIG. 3 is a second exploded view of the present utility model;
fig. 4 is a schematic cross-sectional view of the present utility model.
Detailed Description
Referring to fig. 1 to 3, the luggage caster structure of the present utility model includes a wheel disc, a rim 3 is fixed to the outer edge of the wheel disc, the wheel disc is provided with a shaft hole 22 through which a wheel shaft penetrates, a spiral lubricating oil slit 24 is provided in the shaft hole 22, and a lubricating oil cavity 25 communicating with the lubricating oil slit 24 is provided in the wheel disc.
Referring to fig. 2 to 4, in the present embodiment, the wheel disc is composed of a first wheel disc 1 and a second wheel disc 2, the first wheel disc 1 and the second wheel disc 2 are fixedly connected by fasteners, the rim 3 is molded by foamed plastic and is fixed to the outer edges of the first wheel disc 1 and the second wheel disc 2, the inner side of the rim 3 is provided with a protruding block 31 protruding towards both end faces, the first wheel disc 1 and the second wheel disc 2 are respectively provided with a first positioning protrusion 11 and a second positioning protrusion 21 which are opposite to each other, and the outer side of the protruding block 31 is provided with a positioning concave ring 32 for correspondingly clamping the first positioning protrusion 11 and the second positioning protrusion 21.
The inner side surface of the protruding block 31 is a convex arc surface 33, and the first wheel disc 1 and the second wheel disc 2 are provided with a first arc bearing surface 12 and a second arc bearing surface 22 which are correspondingly matched with the convex arc surface 33. The fastener is a matched assembly of a screw 4 and a nut 5, the end face of the first wheel disc 1 is provided with a plurality of concave holes 13, the nut 5 is embedded in the concave holes 13, the end face of the second wheel disc 2 is provided with a plurality of positioning holes 23, and the screw 5 penetrates through the positioning holes 23 to be connected and fixed with the nut 4.
The first wheel disc 1 has a through hole 14 in the middle, the second wheel disc 2 has a boss 26 inserted into the through hole 14 to form a fit, and a plurality of protruding support bars 27 are provided on the outer side of the boss 26. The outer end face of the first wheel disc 1 is provided with a decorative cover 6, a plurality of positioning hooks 61 are arranged on the inner side of the decorative cover 6, and the end face of the first wheel disc 1 is provided with a plurality of square holes 15 which are correspondingly matched with the positioning hooks 61.
The foregoing is only a preferred embodiment of the present utility model, and all technical solutions for achieving the object of the present utility model by substantially the same means are within the scope of the present utility model.
Claims (6)
1. The utility model provides a case and bag truckle structure, includes the rim plate, and the rim plate outer fringe is fixed with rim, its characterized in that: the wheel disc is provided with a shaft hole for the wheel shaft to penetrate, a spiral lubricating oil slot is arranged in the shaft hole, and a lubricating oil cavity communicated with the lubricating oil slot is arranged in the wheel disc.
2. The luggage caster structure of claim 1, wherein: the wheel disc comprises a first wheel disc and a second wheel disc, the first wheel disc and the second wheel disc are connected and fixed through fasteners, the wheel rim is formed by foaming plastic and is fixed on the outer edges of the first wheel disc and the second wheel disc, protruding lugs protruding towards two end faces are arranged on the inner side of the wheel rim, a first positioning protrusion and a second positioning protrusion which are opposite to each other are respectively arranged on the first wheel disc and the second wheel disc, and a positioning concave ring which is used for the corresponding clamping of the first positioning protrusion and the second positioning protrusion is arranged on the outer side of the lugs.
3. The luggage caster structure of claim 2, wherein: the inner side of the lug is a convex cambered surface, and the first wheel disc and the second wheel disc are provided with a first arc bearing surface and a second arc bearing surface which are correspondingly matched with the convex cambered surface.
4. A luggage caster structure according to claim 3, wherein: the fastener is a matched assembly of a screw and a nut, the end face of the first wheel disc is provided with a plurality of concave holes, the nut is embedded in the concave holes, the end face of the second wheel disc is provided with a plurality of positioning holes, and the screw penetrates through the positioning holes to be connected and fixed with the nut.
5. The luggage caster structure of claim 4, wherein: the middle part of the first wheel disc is provided with a through hole, the middle part of the second wheel disc is provided with a boss which is inserted into the through hole to form fit, and the outer side of the boss is provided with a plurality of raised supporting bars.
6. The luggage caster structure of claim 5, wherein: the decorative cover is arranged on the outer end face of the first wheel disc, a plurality of positioning hooks are arranged on the inner side of the decorative cover, and a plurality of square holes which are correspondingly matched with the positioning hooks are formed in the end face of the first wheel disc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322212403.XU CN220482990U (en) | 2023-08-17 | 2023-08-17 | Caster structure of case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322212403.XU CN220482990U (en) | 2023-08-17 | 2023-08-17 | Caster structure of case |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220482990U true CN220482990U (en) | 2024-02-13 |
Family
ID=89836606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322212403.XU Active CN220482990U (en) | 2023-08-17 | 2023-08-17 | Caster structure of case |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220482990U (en) |
-
2023
- 2023-08-17 CN CN202322212403.XU patent/CN220482990U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240324 Address after: 529000 Du Ruan Gan Gong Industrial Zone Zhaoying Industrial Co., Ltd., Pengjiang District, Jiangmen City, Guangdong Province Patentee after: Pengjiang Jiangmen Industry Co.,Ltd. trillion surplus Country or region after: China Address before: Room 201, No. 68 Meijing Lane, Pengjiang District, Jiangmen City, Guangdong Province, 529000 Patentee before: Zhang Baiyun Country or region before: China |