CN220517896U - Caster convenient to equipment - Google Patents

Abstract

The utility model discloses a castor convenient to assemble, which comprises a mounting bracket, a wheel shaft and wheel bodies, wherein the mounting bracket is provided with a cylindrical supporting body, the cylindrical supporting body is provided with a mounting through hole in rotating fit with the wheel shaft, one side end surface of the cylindrical supporting body is provided with a limit groove, the wheel shaft is provided with a radial protruding part with the shape matched with that of the limit groove, when the wheel shaft is inserted into the mounting through hole, the radial protruding part is matched with the limit groove so that the wheel shaft and the mounting bracket cannot rotate relatively, the two wheel bodies are respectively sleeved at two ends of the wheel shaft and can rotate relatively to the wheel shaft, the mounting bracket is positioned between the two wheel bodies, the wheel shaft and the corresponding mounting bracket are improved, and the wheel shaft cannot rotate relatively after being inserted into the mounting hole of the mounting bracket through the matching of the radial protruding part and the limit groove, so that the wheel shaft is convenient to mount screws later, and the assembly is more convenient.

Description

Caster convenient to equipment

Technical Field

The utility model relates to the technical field of casters, in particular to a caster convenient to assemble.

Background

Casters are a generic term and include movable casters, fixed casters and movable casters with brakes. The movable castor is also called a universal wheel, and the structure of the movable castor allows 360 degrees of rotation; the fixed castor is also called a directional castor, which has no rotating structure and can not rotate. Generally, two casters are commonly used in combination, for example, a handcart is structured with two directional wheels at the front and two universal wheels at the rear, which are close to the pushing handrail. Casters are available in a variety of materials such as pp casters, PVC casters, PU casters, cast iron casters, nylon casters, TPR casters, iron core nylon casters, iron core PU casters, and the like.

In the prior art, the wheel axle can rotate relative to the mounting bracket when the wheel body and the wheel axle are assembled, so that the situation of turning can occur when the screw is mounted, the screw is inconvenient to mount, and the assembly efficiency of the castor is affected.

Disclosure of Invention

In order to solve the technical problems, the utility model relates to a caster convenient to assemble, which has simple and reliable structure, effectively solves the technical problems, is suitable for popularization and use, and is realized by the following technical scheme:

the utility model provides a truckle convenient to equipment, includes installing support, shaft, wheel body, the installing support is equipped with the cylindric supporter, the cylindric supporter be equipped with shaft normal running fit's installation through-hole, one side terminal surface of cylindric supporter is equipped with the spacing groove, the shaft be equipped with the radial bulge of spacing groove shape looks adaptation, the shaft inserts when establishing in the installation through-hole radial bulge with the spacing groove cooperation makes shaft and installing support unable relative rotation, and two wheel bodies overlap respectively and establish at the both ends of shaft and can relative shaft rotate, the installing support is located between two wheel bodies.

The above-mentioned scheme is based on and is a preferable scheme of the above-mentioned scheme: the wheel axle is characterized by further comprising mounting screws, the two mounting screws are opposite in screw threads, two ends of the wheel axle are respectively provided with an internal threaded hole which is matched and connected with the two mounting screws, and the mounting screws are used for limiting the wheel body axially and preventing the wheel body from being separated from the wheel axle.

The above-mentioned scheme is based on and is a preferable scheme of the above-mentioned scheme: the novel wheel comprises a wheel body, and is characterized by further comprising a protective cover, wherein the protective cover is arranged on the outer side of the wheel body and used for hiding the mounting screw in.

The above-mentioned scheme is based on and is a preferable scheme of the above-mentioned scheme: the safety cover is equipped with three along the even buckle of circumferencial direction interval, the middle part of wheel body be equipped with buckle complex draw-in groove.

The above-mentioned scheme is based on and is a preferable scheme of the above-mentioned scheme: the limiting groove is a kidney-shaped groove.

Compared with the prior art, the utility model has the following outstanding and beneficial technical effects: the wheel shaft and the corresponding mounting bracket are improved, the wheel shaft is prevented from relative rotation after being inserted into the mounting hole of the mounting bracket through the matching of the radial protruding part and the limiting groove, so that the subsequent mounting of the screw is facilitated, the assembly is more convenient, in addition, the screw can be hidden through the arrangement of the protective cover, the dustproof protection effect is achieved, and the installation is attractive.

Drawings

FIG. 1 is a schematic diagram of the overall structure assembly of a caster;

FIG. 2 is an exploded view of the overall structure of the caster;

Detailed Description

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

In the prior art, the wheel axle rotates relative to the mounting bracket when the wheel body and the wheel axle are assembled, so that the condition of turning can occur when the screw is mounted, the screw is relatively inconvenient to mount, and the assembly efficiency of the wheel axle is affected.

The two wheel bodies 3 are respectively sleeved at the two ends of the wheel shaft 2 and can rotate relative to the wheel shaft 2, the mounting bracket 1 is positioned between the two wheel bodies 3, and further, the novel wheel comprises mounting screws 7, the mounting screws 7 are provided with two mounting screws 7, threads of the two mounting screws are opposite, the two ends of the wheel shaft 2 are respectively provided with an internal threaded hole 8 which is matched and connected with the two mounting screws 7, the screws of the mounting screws 7 penetrate through the through holes in the middle of the wheel body 3 and then are in threaded connection with the internal threaded holes 8 of the wheel shaft 22, and after being fixed, the heads of the mounting screws 7 can axially limit the wheel body 3 so as to finish positioning and prevent the wheel body from being separated from the wheel shaft 2.

It is further preferable in this embodiment that the device further includes a protecting cover 9, the protecting cover 9 is covered on the outer side of the wheel body 3 and is used for hiding the mounting screw 7, specifically, the protecting cover 9 is provided with three buckles 10 evenly spaced along the circumferential direction, the middle part of the wheel body 3 is provided with a clamping groove 11 matched with the buckles 10, and the protecting cover 9 is fixed in a mode of matching with the buckles 10 so as to be convenient for quick mounting of the protecting cover 9.

The wheel axle 2 and the corresponding mounting bracket 1 are improved, the wheel axle 2 cannot rotate relatively after being inserted into the mounting hole of the mounting bracket 1 through the matching of the radial protruding part 6 and the limiting groove 5, so that the subsequent mounting of screws is facilitated, the assembly is more convenient, in addition, the screws can be hidden through the arrangement of the protective cover 9, the dustproof protection effect is achieved, and the installation is attractive.

The above embodiments are only preferred embodiments of the present utility model, and are not intended to limit the scope of the present utility model in this way, therefore: equivalent changes in structure, shape and principle of the present utility model should be covered by the protection scope of the present utility model.

Claims (5)

1. Caster convenient to equipment, its characterized in that: including installing support, shaft, wheel body, the installing support is equipped with the cylindric supporter, the cylindric supporter be equipped with shaft normal running fit's installation through-hole, one side terminal surface of cylindric supporter is equipped with the spacing groove, the shaft be equipped with the radial bulge of spacing groove shape looks adaptation, the shaft insert establish in the installation through-hole when radial bulge with the spacing groove cooperation makes shaft and installing support unable relative rotation, and two wheel bodies overlap respectively and establish at the both ends of shaft and can rotate relative shaft, the installing support is located between two wheel bodies.

2. A caster for facilitating assembly according to claim 1, wherein: the wheel axle is characterized by further comprising mounting screws, the two mounting screws are opposite in screw threads, two ends of the wheel axle are respectively provided with an internal threaded hole which is matched and connected with the two mounting screws, and the mounting screws are used for limiting the wheel body axially and preventing the wheel body from being separated from the wheel axle.

3. A caster for facilitating assembly according to claim 2, wherein: the novel wheel comprises a wheel body, and is characterized by further comprising a protective cover, wherein the protective cover is arranged on the outer side of the wheel body and used for hiding the mounting screw in.

4. A castor for ease of assembly according to claim 3, wherein: the safety cover is equipped with three along the even buckle of circumferencial direction interval, the middle part of wheel body be equipped with buckle complex draw-in groove.

5. A caster for facilitating assembly as defined in claim 4, wherein: the limiting groove is a kidney-shaped groove.