Metal plastic-coated hub

Abstract

The utility model relates to a metal plastic-coated hub. The metal plastic-coated hub comprises a rim, a spoke arranged on the inner side of the rim, a mounting bracket arranged in the middle of the spoke and a wheel axle center, a supporting piece is embedded in the spoke, the inner end of the supporting piece extends to the wheel axis, and the outer end of the supporting piece extends out of the spoke and is welded to the inner side of the rim. The supporting piece is coated with a plastic coating assembly; the plastic-coated assembly is of a plastic integrally-formed structure. The problems that a hub made of iron is rough in appearance details and poor in commodity, meanwhile, aluminum alloy materials for manufacturing the hub are lacking in China, most of the aluminum alloy materials depend on production, and therefore the production cost is high are solved; and a metal material is easy to rust or oxidize in an outdoor environment to influence the strength performance of the hub and has a fracture risk.

Description

Technical Field

[0001] The utility model relates to the field of wheel hubs, in particular to a metal-coated plastic wheel hub. Background Art

[0002] At present, with the continuous development of technology, metal coating technology has been widely used in various fields, and the existing electric vehicle hubs are all made of metal materials alone, including iron, aluminum alloy, and magnesium alloy; the appearance details of the hubs made of iron are relatively rough and the commercial quality is poor. At the same time, the aluminum alloy materials used to manufacture the hubs are relatively scarce in China, and most of them rely on imports, so the production cost is relatively high; and the metal materials are prone to rust or oxidation in the outdoor environment, affecting the strength performance of the hub, and there is a risk of breakage. Utility Model Content

[0003] The embodiment of the present application provides a metal-coated wheel hub, which solves the problem that the wheel hub made of iron in the prior art has rough appearance details and poor commercial quality. At the same time, aluminum alloy materials used to manufacture the wheel hub are relatively scarce in China and most of them rely on imports, so the production cost is relatively high. In addition, metal materials are prone to rust or oxidation in outdoor environments, affecting the strength performance of the wheel hub and posing a risk of breakage.

[0004] The technical solution adopted in the embodiments of the present application is as follows.

[0005] A metal plastic-coated wheel hub comprises a rim, spokes arranged on the inner side of the rim, a mounting bracket arranged in the middle of the spokes and a wheel axle; a support member is embedded in the spokes, the inner end of the support member extends to the wheel axle, the outer end of the support member extends out of the spokes and is welded to the inner side of the rim; the support member is coated with a plastic-coated component; the plastic-coated component is a plastic one-piece molding structure.

[0006] As a further improvement of the above technical solution: a bead is provided on the side wall of the support member; the bead corresponds to the inner side wall of the rim.

[0007] As a further improvement of the above technical solution: three plastic coating positioning holes are reserved on the spokes.

[0008] As a further improvement of the above technical solution: a rubber sealing surface is arranged inside the rim.

[0009] As a further improvement of the above technical solution: a sleeve is embedded in the center of the spoke, one end of the sleeve extends out of the spoke and a mounting bracket is installed at one end of the spoke; the inner end of the support member is welded to the outer side of the sleeve.

[0010] As a further improvement of the above technical solution: a filling bracket is arranged on the wheel axle; three groups of the filling bracket are arranged; and the filling bracket is made of plastic.

[0011] One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:

[0012] 1. Since the inner side of the rim is provided with a spoke, a mounting bracket is provided in the middle of the spoke, a support is embedded in the spoke, the inner end of the support is extended and connected to the wheel axle, the outer end of the support extends out of the spoke and is welded to the inner side of the rim, and the support is coated with a plastic-coated component, which is a plastic one-piece molding structure. A flange is provided on one side of the support, and the flange corresponds to the inner side wall of the rim. The junction of the flange and the rim is L-shaped. The inner and outer rings of the support are welded to the wheel axle and the rim. Three plastic-coated processing positioning holes are reserved on the spoke. The processing positioning holes are used for precise positioning of the embedded spoke and the injection mold body during injection molding to ensure that the injection molding step is completed smoothly. At the sealing surface on the inner side of the rim, the mold structure adopts an elastic sealing structure to ensure that there is no bruise defect on the surface of the workpiece after injection molding. The filling bracket is made of plastic. Three filling brackets are used to surround the wheel axle to prevent defects such as shrinkage due to excessive glue wall thickness and glue leakage after injection molding. In the pretreatment step, first The resin is formed into the original material alone; or the resin is mixed with the composite material and granulated by a mixer to complete the injection molding of the original material; then the ribs and rims of the iron hub are molded, welded, sprayed, polished, etc. to complete the production of the hub assembly; the step of adding is to first place the iron hub assembly in the mold cavity reasonably, and ensure that the hub and the mold are accurately positioned; the original material is added to the barrel of the injection molding machine to plasticize the original material and inject it into the mold. After pressure maintenance, cooling and solidification, the mold is opened to complete the production of the primary hub; the step of assembling is to press the bearings and dust rings of the primary hub into place to complete the production of the plastic-coated iron process hub, thereby realizing the one-time molding of the spokes using molding plastic, which has lower cost and appearance comparable to aluminum wheels and iron-coated aluminum wheels, and its strength replaces that of iron wheels. The surface color and leather texture can be customized according to customers, with better texture and appearance. At the same time, the support parts are one-piece molded parts with better strength and convenient welding. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the finished product structure of the metal plastic-coated wheel in the utility model.

[0014] Figure 2 It is a schematic diagram of the finished product explosion structure of the metal plastic-coated wheel in the utility model.

[0015] Figure 3 It is a cross-sectional view of the metal-coated plastic wheel in the utility model.

[0016] Figure 4 It is a sectional view of the disassembled state of the metal plastic-coated wheel in the utility model.

[0017] Figure 5 It is a structural schematic diagram of the metal plastic-coated wheel in the utility model.

[0018] In the figure: 1. Plastic-coated component; 2. Processed positioning hole; 3. Mounting bracket; 4. Wheel axle; 5. Rim; 6. Filling bracket; 7. Support member; 8. Spoke; 9. Sealing surface; 10. Edge. DETAILED DESCRIPTION

[0019] The embodiment of the present application provides a metal-coated wheel hub, which solves the problem that the wheel hub made of iron in the prior art has rough appearance details and poor commercial quality. At the same time, aluminum alloy materials used to manufacture the wheel hub are relatively scarce in China and most of them rely on imports, so the production cost is relatively high. In addition, metal materials are prone to rust or oxidation in outdoor environments, affecting the strength performance of the wheel hub and posing a risk of breakage.

[0020] The technical solution in the embodiment of the present application is to solve the above problems, and the overall idea is as follows:

[0021] In order to better understand the above technical solution, the above technical solution will be described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0022] A metal plastic-coated wheel hub comprises a rim 5, a spoke 8 arranged on the inner side of the rim 5, a mounting bracket 3 arranged in the middle of the spoke 8, and a wheel axle 4; a support member 7 is embedded in the spoke 8, the inner end of the support member 7 extends to the wheel axle 4, and the outer end of the support member 7 extends out of the spoke 8 and is welded to the inner side of the rim 5; the support member 7 is coated with a plastic-coated component 1; the plastic-coated component 1 is a plastic one-piece molding structure.

[0023] A bead 10 is provided on the side wall of the support member 7 ; the bead 10 corresponds to the inner side wall of the rim 5 .

[0024] Three plastic-coated positioning holes 2 are reserved on the spoke 8 .

[0025] A sealing surface 9 is provided inside the wheel rim 5 .

[0026] A shaft sleeve is embedded in the center of the wheel spoke 8, one end of the shaft sleeve extends out of the wheel spoke 8 and a mounting bracket 3 is mounted on one end of the wheel spoke 8; the inner end of the support member 7 is welded to the outer side of the shaft sleeve.

[0027] A filling bracket 6 is arranged on the wheel axle 4; three groups of the filling bracket 6 are arranged; and the filling bracket 6 is made of plastic material.

[0028] A spoke 8 is provided on the inner side of the rim 5, a mounting bracket 3 is provided in the middle of the spoke 8, a support member 7 is embedded in the spoke 8, the inner end of the support member 7 is extended and connected to the wheel axle 4, the outer end of the support member 7 extends out of the spoke 8 and is welded to the inner side of the rim 5, the support member 7 is coated with a plastic-coated component 1, and the plastic-coated component 1 is a plastic one-piece molding structure, a flange 10 is provided on one side of the support member 7, the flange 10 corresponds to the inner side wall of the rim 5, and the junction of the flange 10 and the rim 5 is L-shaped, the inner and outer rings of the support body are welded to the wheel axle 4 and the rim 5, three plastic-coated processing positioning holes 2 are reserved on the spoke 8, and the processing positioning holes 2 are used for precise positioning of the embedded spoke 8 and the injection mold body during injection molding to ensure that the injection molding steps are completed smoothly, and the inner side of the rim 5 has a sealing surface 9, and its mold structure adopts an elastic sealing structure to ensure that there are no bruises on the surface of the workpiece after injection molding. The filling bracket 6 is made of plastic, and three filling brackets 6 are used to surround the wheel axle 4 to prevent defects such as excessive thickness of the glue wall and glue leakage after injection molding. In the pretreatment step, the resin is first formed into the original material alone; or the resin is mixed with the composite material and granulated by a mixer to complete the injection molding of the original material; then the ribs and rim 5 of the iron hub are molded, welded, sprayed, polished, etc. to complete the production of the hub assembly; in the addition step, the iron hub assembly is first placed reasonably in the mold cavity, and the hub and the mold are accurately positioned; the original material is added to the barrel of the injection molding machine, the original material is plasticized and injected into the mold, and after pressure maintenance, cooling and solidification, the mold is opened to complete the production of the primary hub; in the assembly step, the bearing and dust ring of the primary hub are pressed into place to complete the production of the plastic-wrapped iron hub.

[0029] Since the inner side of the rim 5 is provided with a spoke 8, a mounting bracket 3 is provided in the middle of the spoke 8, a support member 7 is embedded in the spoke 8, the inner end of the support member 7 is extended and connected with the wheel axle 4, the outer end of the support member 7 extends out of the spoke 8 and is welded to the inner side of the rim 5, the support member 7 is coated with a plastic-coated component 1, and the plastic-coated component 1 is a plastic one-piece molding structure, and a flange 10 is provided on one side of the support member 7, and the flange 10 corresponds to the inner side wall of the rim 5, and the junction of the flange 10 and the rim 5 is L-shaped, and the support member 7 is provided with a flange 10. The inner and outer rings of the support body are welded to the wheel axle 4 and the rim 5. Three plastic-coated positioning holes 2 are reserved on the spoke 8. The positioning holes 2 are used for accurately positioning the embedded spoke 8 and the injection mold body during injection molding to ensure that the injection molding steps are completed smoothly. The inner sealing surface 9 of the rim 5 has an elastic sealing structure to ensure that there are no bruises or defects on the surface of the workpiece after injection molding. The filling bracket 6 is made of plastic. Three filling brackets 6 are used to surround the wheel axle 4 to prevent shrinkage caused by excessive thickness of the glue wall after injection molding. In order to prevent defects such as shadow and glue leakage, the pretreatment step is to first form the original material with the resin alone; or the resin is mixed with the composite material and granulated by a mixer to complete the injection molding of the original material; then the ribs of the iron hub and the rim 5 are molded, welded, sprayed, polished, etc. to complete the production of the hub assembly; the addition step is to first place the iron hub assembly in the mold cavity reasonably, and ensure that the hub and the mold are accurately positioned; the original material is added to the barrel of the injection molding machine to plasticize the original material and inject it into the mold. After pressure maintenance, cooling and solidification, the mold is opened to complete the production of the primary hub; the assembly step is to press the bearing and dust ring of the primary hub into place to complete the production of the plastic-coated iron process hub, thereby realizing the one-time molding of the spoke 8 using molding plastic, which has lower cost and appearance comparable to aluminum wheels and iron-clad aluminum wheels, and its strength replaces that of iron wheels. The surface color and leather texture can be customized according to customers, with better texture and better appearance. At the same time, the support member 7 is an integrally formed part with better strength and convenient welding.

[0030] Although the preferred embodiments of the present invention have been described, those skilled in the art may make other changes and modifications to these embodiments once they have learned the basic creative concept. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments and all changes and modifications falling within the scope of the present invention.

[0031] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A metal-coated plastic wheel hub, characterized in that: The invention comprises a rim (5), a spoke (8) arranged on the inner side of the rim (5), a mounting bracket (3) arranged in the middle of the spoke (8), and a wheel axle (4); a support member (7) is embedded in the spoke (8), the inner end of the support member (7) extends to the wheel axle (4), and the outer end of the support member (7) extends out of the spoke (8) and is welded to the inner side of the rim (5); the support member (7) is coated with a plastic-coated component (1); the plastic-coated component (1) is a plastic integrally molded structure.

2. The metal-coated plastic wheel hub according to claim 1, characterized in that: A bead (10) is provided on the side wall of the support member (7); the bead (10) corresponds to the inner side wall of the rim (5).

3. The metal-coated plastic wheel hub according to claim 2, characterized in that: Three plastic-coated positioning holes (2) are reserved on the wheel spoke (8).

4. The metal-coated plastic wheel hub according to claim 1, characterized in that: A rubber sealing surface (9) is provided inside the wheel rim (5).

5. The metal-coated plastic wheel hub according to claim 1, characterized in that: A shaft sleeve is embedded in the center of the wheel spoke (8), one end of the shaft sleeve extends out of the wheel spoke (8) and a mounting bracket (3) is installed at one end of the wheel spoke (8); the inner end of the support member (7) is welded to the outer side of the shaft sleeve.

6. The metal-coated plastic wheel hub according to claim 1, characterized in that: A filling bracket (6) is arranged on the wheel axle (4); three groups of the filling brackets (6) are arranged; and the filling brackets (6) are made of plastic material.

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