Flywheel of spinning

Abstract

The utility model provides a spinning flywheel which comprises a wheel disc and a hub, the wheel disc is installed on the periphery of the hub, and an installation shaft hole is formed in the middle of the hub. The wheel disc comprises a main body and two side plates, the two side plates are made of aluminum materials and symmetrically installed on the two sides of the main body, and the overall texture of the flywheel can be improved. The side plate and the main body are fixedly mounted, and at least two fixed mounting structures are arranged, so that the firmness degree of assembly between the side plate and the main body can be ensured, and the problem that the side plate falls off during use is avoided. The flywheel provided by the utility model adopts the combined wheel disc, the outer side of the combined wheel disc is provided with the aluminum side plate with better quality and higher brightness, and the inner part of the combined wheel disc can be made of a material with lower price, so that the overall manufacturing cost is reduced, the market competitiveness of a product can be improved, in addition, multiple fixed mounting structures are arranged, the mounting firmness of the combined wheel disc is improved, and the service life of the flywheel is prolonged. And the situation that parts fall off is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of flywheels, in particular to a flywheel for a spinning bike. Background Art

[0002] When a magnetically controlled spinning bike is in use, its resistance mostly comes from the magnetically controlled resistance component. Therefore, in order to increase the texture and grade of the bike, magnetically controlled spinning bikes mostly use aluminum flywheels. However, the cost of aluminum flywheels is relatively high, which also increases the cost and selling price of the bike, thereby reducing the competitiveness of this type of bike. For this reason, the utility model provides a combined spinning bike flywheel, which reduces the flywheel cost while maintaining the texture of the aluminum flywheel. Utility Model Content

[0003] In order to solve the above technical problems, the utility model provides a flywheel structure with low cost and good texture.

[0004] A flying wheel for a spinning bike comprises a wheel disc and a wheel hub. The wheel disc is mounted on the periphery of the wheel hub, and a mounting shaft hole is arranged in the middle of the wheel hub.

[0005] The wheel disc comprises a main body and side plates. The side plates are made of aluminum and have two pieces, which are symmetrically installed on both sides of the main body, thereby improving the overall texture of the flywheel.

[0006] The side panels are fixedly mounted on the main body and are provided with at least two fixed mounting structures, thereby ensuring the firmness of the assembly between the side panels and the main body and avoiding the problem of the side panels falling off during use.

[0007] The flywheel provided by the utility model adopts a combined wheel disc, the outer side of which is an aluminum side plate of high quality and high brightness, while the inner side can adopt a lower-priced material, thereby reducing the overall cost and improving the market competitiveness of the product. In addition, multiple fixed installation structures are provided to improve the installation firmness of the combined wheel disc and avoid the situation where parts fall off.

[0008] Preferably, the fixed installation structure includes a first locking structure: the side panel is fixedly installed on the main body by rivets, and the fixing method is simple and firm.

[0009] Preferably, the two side panels are fixed with the same set of rivets to reduce excessive openings.

[0010] Preferably, the main body is provided with an annular groove, and the side plate is installed in the annular groove to improve the surface flatness of the wheel disc.

[0011] Preferably, the fixed installation structure includes a second locking structure: the cross-sections of the annular groove and the side panel are both trapezoidal, and the side panel is embedded in the annular groove, thereby fixing the side panel in all directions, thereby improving the installation firmness between the side panel and the main body.

[0012] Preferably, the fixed installation structure includes a third locking structure: the side panel is fixedly installed on the main body by glue, which improves the installation firmness and avoids shaking due to a gap between the side panel and the main body.

[0013] Preferably, in order to improve the assembly firmness of the wheel hub and the wheel disc, the wheel hub is in a step shape, and the wheel disc is sleeved outside the wheel hub with one side resting on the step surface.

[0014] Preferably, the wheel disc is locked on the step of the wheel hub by screws, and the installation structure is simple.

[0015] Preferably, a guide slope is provided around the table surface with a smaller hub diameter to facilitate the assembly of the hub and the wheel disc.

[0016] Preferably, the main body is made of iron, which has high cost and large mass, and can increase the inertia of the flywheel.

[0017] Preferably, a wheel axle is installed in the installation shaft hole via a bearing.

[0018] From the above description of the utility model, it can be seen that the utility model has the following beneficial effects:

[0019] The flywheel provided by the utility model adopts a combined wheel disc, the outer side of which is a high-quality, high-brightness aluminum side plate, and the inner side can be made of a low-priced material, thereby reducing the overall cost and improving the market competitiveness of the product;

[0020] The flywheel provided by the utility model is provided with multiple fixed installation structures, so as to improve the installation firmness of the combined wheel disc and avoid the situation where parts fall off. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention.

[0022] in:

[0023] Figure 1 A side view of the flywheel of a spinning bike Figure 1 ;

[0024] Figure 2 A side view of the flywheel of a spinning bike Figure 2 ;

[0025] Figure 3 It is a front view of a spinning bike flywheel;

[0026] Figure 4 It is a bottom view of a spinning bike flywheel;

[0027] Figure 5 It is a cross-sectional view of a spinning bike flywheel; (About Figure 3 AA)

[0028] Figure 6 This is a partial enlarged view of the flywheel of a spinning bike; (About Figure 5 B)

[0029] Figures 1 to 6 The markings in the figure are: wheel disc 1, main body 11, annular groove 111, side plate 12, wheel hub 2, mounting shaft hole 21, introduction slope 22, rivet 3. DETAILED DESCRIPTION

[0030] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention clearer and more understandable, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention and are not used to limit the present invention.

[0031] See also Figures 1 to 6 A flying bicycle flywheel comprises a wheel disc 1 and a wheel hub 2, wherein the wheel disc 1 is mounted on the periphery of the wheel hub 2, and a mounting shaft hole 21 is provided in the middle of the wheel hub 2.

[0032] In one embodiment, in order to improve the assembly firmness of the wheel hub 2 and the wheel disc 1, the wheel hub 2 is stepped, and the wheel disc 1 is sleeved outside the wheel hub 2, with one side resting on the stepped surface. Preferably, the wheel disc 1 is screwed to the step of the wheel hub 2, and the installation structure is simple.

[0033] In another embodiment, a guide slope 22 is provided around the table surface of the hub 2 with a smaller diameter to facilitate the assembly of the hub 2 and the wheel disc 1 .

[0034] The wheel disc 1 comprises a main body 11 and a side plate 12. The side plate 12 is made of aluminum and has two pieces, which are symmetrically mounted on both sides of the main body 11 to improve the overall texture of the flywheel. In one embodiment, the main body 11 is made of iron, which is expensive and has a large mass, which can improve the inertia of the flywheel.

[0035] The side panels 12 and the main body 11 are fixedly installed and provided with at least two fixed installation structures, thereby ensuring the firmness of the assembly between the side panels 12 and the main body 11 and avoiding the problem of the side panels 12 falling off during use.

[0036] In one embodiment, the fixed installation structure includes a first locking structure: the side panels 12 are fixedly installed on the main body 11 by rivets 3, and the fixing method is simple and firm. Preferably, the two side panels 12 are fixed by the same set of rivets 3 to reduce excessive openings.

[0037] In one embodiment, the main body 11 is provided with an annular groove 111 , and the side plate 12 is installed in the annular groove 111 to improve the surface flatness of the wheel disc 1 .

[0038] Based on the above embodiment, the fixed installation structure includes a second locking structure: the cross-section of the annular groove 111 and the cross-section of the side panel 12 are both trapezoidal, and the side panel 12 is embedded in the annular groove 111, thereby fixing the side panel 12 in all directions, thereby improving the installation firmness between the side panel 12 and the main body 11.

[0039] In one embodiment, the fixed installation structure includes a third locking structure: the side panel 12 is fixedly installed on the main body 11 by glue, which improves the installation firmness and avoids shaking due to a gap between the side panel 12 and the main body 11.

[0040] The flywheel provided by the utility model adopts a combined wheel disc 1, the outer side of which is an aluminum side plate 12 of high quality and high brightness, and the inner side can adopt a lower-priced material, thereby reducing the overall cost and improving the market competitiveness of the product. In addition, multiple fixed installation structures are provided to improve the installation firmness of the combined wheel disc 1 and avoid the situation where parts fall off.

[0041] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0042] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present utility model, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0043] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection, an electrical connection, or communication with each other; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0044] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0045] In the present utility model, the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. mean that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the described specific features, structures, materials or characteristics may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, unless they are contradictory.

[0046] Although the above embodiments have been shown and described, it is to be understood that the above embodiments are illustrative and cannot be construed as limitations on the present invention. Changes, modifications, substitutions and variations of the above embodiments by those of ordinary skill in the art are all within the scope of protection of the present invention.

Claims

1. A flying bicycle flywheel, characterized in that: It comprises a wheel disc and a wheel hub, wherein the wheel disc is mounted on the periphery of the wheel hub, and a mounting shaft hole is provided in the middle of the wheel hub; The wheel disc comprises a main body and side plates. The side plates are made of aluminum and have two pieces, which are symmetrically installed on both sides of the main body. The side plates are fixedly installed on the main body and are provided with at least two fixed installation structures.

2. A spinning bike flywheel according to claim 1, characterized in that: The fixed installation structure includes a first locking structure: the side plate is fixedly installed on the main body by rivets.

3. The spinning bike flywheel according to claim 1, characterized in that: The two side panels are fixed by using the same set of rivets.

4. The spinning bike flywheel according to claim 1, characterized in that: The main body is provided with an annular groove, and the side plate is installed in the annular groove.

5. A spinning bike flywheel according to claim 4, characterized in that: The fixed installation structure includes a second locking structure: the cross-sections of the annular groove and the side plate are both trapezoidal, and the side plate is embedded in the annular groove.

6. The spinning bike flywheel according to claim 1, characterized in that: The fixed installation structure includes a third locking structure: the side panel is fixedly installed on the main body by glue.

7. The spinning bike flywheel according to claim 1, characterized in that: The wheel hub is in a step shape, and the wheel disc is sleeved outside the wheel hub, with one side abutting against the step surface.

8. The spinning bike flywheel according to claim 7, characterized in that: The wheel disc is locked on the step of the wheel hub by screws.

9. The spinning bike flywheel according to claim 7, characterized in that: The periphery of the table surface with a smaller hub diameter is provided with an introduction slope.

10. The spinning bike flywheel according to claim 1, characterized in that: The main body is an iron piece.

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