low-speed polyurethane foam wheels for children’s high-grade car

2021-06-29 19:54:28 admin

The high-grade virgin power car polyurethane foam wheel of a kind of low speed


The utility model relates to virgin power motor tire field, refers to especially the high-grade virgin power car polyurethane wheels of a kind of low speed.


Foaming wheel is generally directly to take turns foaming on frame, and the tire of foaming is molded directly within on the wheel frame; Also having some foaming wheels is first foaming wheel hubs, install and be convenient to the bearing be rotationally connected with axletree at the wheel hub center, then at the outside of moulding wheel hub foaming wheel body, the foaming wheel of this first moulding must be made the mould suitable with taking turns frame, and metal wheel frame price is high; The foaming wheel of the second moulding, install bearing at the wheel hub center, hub bearing is more responsive, under any circumstance all need to adopt on sound lines and just can install with suitable instrument, the high-grade virgin power car PU foam wheel of this class low speed manufacturing process is loaded down with trivial details, labor intensive, and fraction defect is high.

The utility model content

The utility model proposes the high-grade virgin power car polyurethane foam wheel of a kind of low speed, solved foaming wheel complex structure in the prior art, assembled loaded down with trivial details problem.

The technical solution of the utility model is achieved in that the high-grade virgin power car polyurethane foam wheel of a kind of low speed, comprises wheel hub, electroplates protecting cover, is coated on the wheel body of described wheel hub external peripheral surface, and described wheel hub comprises upper wheel hub, the lower hub removably connected; The outside face of described upper wheel hub is fixedly connected with described plating protecting cover, and inside face circumferentially is evenly equipped with at least 2 reinforced ribs; Described wheel hub is provided with the centre hole that holds axletree; Described centre hole is rotationally connected by adaptive hub spindle and axletree.

As preferred technical scheme, described hub spindle comprises: the buckle main body, be sheathed on described upper wheel hub centre hole inside, comprise main shaft, described main shaft is provided with the cavity that holds spring, the inner is provided with the countershaft with described integrated spindle axis design, and the central point of the described upper wheel hub centre hole of described countershaft lower end edge is provided with the first groove, the second groove; The buckle pressing piece, be fixedly connected with the top of described main shaft by spring; Nyliner, be sheathed in described lower hub centre hole; Axle sleeve, between described buckle main body and described nyliner, be fixedly connected with described nyliner.

As preferred technical scheme, be provided with the fixed leg for retainer spring in described cavity; Described buckle pressing piece is provided with the boss of retainer spring; Both ends of the spring is connected with described fixed leg, boss respectively.

As preferred technical scheme, be positioned at described the first channel side on described main shaft, the second channel side is respectively equipped with 2 columniform the first through holes; Central point along described upper wheel hub centre hole on the circular wall of described buckle pressing piece is provided with 2 herringbone the second through holes.

As preferred technical scheme, described the first through hole, the second through hole are fixedly connected with by 2 iron props.

As preferred technical scheme, described upper wheel hub is connected with described lower hub bolt, screw connects or buckle connects.

As preferred technical scheme, the center-point injection moulding along described upper wheel hub centre hole on the inside face of described upper wheel hub is fixedly connected with 6 reinforced ribs.

The utility model is compared produced beneficial effect with background technology:

Be provided with the service life that many reinforced ribs have improved wheel in wheel hub; load carrying ability is large; the wheel hub center is provided with hub spindle, and hub spindle comprises buckle main body, buckle pressing piece, axle sleeve, and the two connects by spring; the mode of this spring press makes the assembling of hub spindle, dismounting more save trouble and facilitate; axle sleeve is protected buckle main body and buckle pressing piece, increases the resistance to abrasion of these two parts, extends the life-span of parts; the decorative pattern that wheel body has been provided with buffer action is attractive in appearance, and protecting cover plated metal look more true to nature.

The accompanying drawing explanation

In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, below will the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.

The structural representation that Fig. 1 is a kind of embodiment of the utility model;

The structural representation that Fig. 2 is upper wheel hub;

The front view that Fig. 3 is the buckle pressing piece;

The front view that Fig. 4 is the buckle main body.

In figure: the 1-wheel body; 2-electroplates protecting cover; 3-buckle main body; 4-buckle pressing piece; The upper wheel hub of 5-; The 6-lower hub; The 7-nyliner; The 8-axle sleeve; The 9-reinforced rib; The 10-boss; 11-the second through hole; 12-the first through hole; The 13-main shaft; The 14-countershaft; 15-the first groove.

The specific embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Embodiment based in the utility model, those of ordinary skills are not making under the creative work prerequisite the every other embodiment obtained, and all belong to the scope of the utility model protection.

As shown in Figure 1 and Figure 2, the high-grade virgin power car polyurethane foam wheel of a kind of low speed, comprise wheel hub, electroplate protecting cover 2, be coated on the wheel body 1 of wheel hub external peripheral surface, wheel hub comprises upper wheel hub 5, the lower hub 6 removably connected, and upper wheel hub 5 is connected with lower hub 6 bolts, screw connection or buckle connection; The outside face of upper wheel hub 5 is fixedly connected with electroplating protecting cover 2, and inside face circumferentially is evenly equipped with at least 2 reinforced ribs 9, and wheel hub is provided with the centre hole that holds axletree; Centre hole is rotationally connected by adaptive hub spindle and axletree, and the utility model is electroplated protecting cover 2 and is screwed on the outside face that is connected to wheel hub 5, and on the inside face of upper wheel hub 5, the center-point injection moulding along upper wheel hub centre hole is fixedly connected with 6 reinforced ribs 9.

As shown in Figure 3, Figure 4, hub spindle comprises buckle main body 3, buckle pressing piece 4, nyliner 7 and axle sleeve 8, buckle main body 3 is sheathed on wheel hub 5 centre hole inside, comprise main shaft 13, main shaft 13 is provided with the cavity that holds spring, the inner is provided with the countershaft 14 with main shaft 13 integrated designs, on countershaft 14 lower end edges, the central point of wheel hub 5 centre holes is provided with the first groove 15, the second groove, be provided with the fixed leg for retainer spring in cavity, buckle pressing piece 4 is fixedly connected with the top of main shaft 13 by spring; Buckle pressing piece 4 is provided with the boss 10 of retainer spring; Both ends of the spring is connected with fixed leg, boss 10 respectively, and nyliner 7 is sheathed in lower hub 6 centre holes; Axle sleeve 8, between buckle main body 3 and nyliner 7, is fixedly connected with nyliner 7, and the utility model nyliner 7 is fixedly connected with axle sleeve 8 injection mouldings.

Be positioned at the first groove 15 sides on main shaft 13, the second channel side is respectively equipped with 2 columniform the first through holes 12; Central point along upper wheel hub 5 centre holes on the circular wall of buckle pressing piece 4 is provided with 2 herringbones the second through hole 11, the first through hole 12, the second through hole 11 are fixedly connected with by 2 iron props, 2 iron props are for blocking axletree, press in the process of pressing spring, 2 iron props are in the first through hole 12, the interior slip of the second through hole 11.

The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.