CN213252812U

CN213252812U - Inertia wheel structure

Info

Publication number: CN213252812U
Application number: CN202021289823.8U
Authority: CN
Inventors: 史大桢
Original assignee: Xiamen Xiangsheng Jinglun Industry And Trade Co ltd
Current assignee: Xiamen Xiangsheng Jinglun Industry And Trade Co ltd
Priority date: 2020-07-03
Filing date: 2020-07-03
Publication date: 2021-05-25
Anticipated expiration: 2030-07-03

Abstract

The utility model discloses an inertia wheel structure, which comprises an inertia wheel shaft, an inertia wheel body and at least one metal counterweight block; the inertia wheel body is secondarily injected on the inertia wheel shaft, and the metal counterweight is matched on the inertia wheel body. The utility model has the advantages of light weight and low cost.

Description

Inertia wheel structure

Technical Field

The utility model relates to a body-building apparatus field especially indicates an inertia wheel structure.

Background

The inertia wheel on the present exercise bicycle is generally cast iron, the whole weight is heavy, the cost is high, and the inertia wheel is troublesome to be arranged on the exercise bicycle.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an inertia wheel structure, it has light in weight, advantage with low costs.

In order to achieve the above purpose, the solution of the present invention is:

an inertia wheel structure comprises an inertia wheel shaft, an inertia wheel body and at least one metal counterweight block; the inertia wheel body and the inertia wheel body are made of plastic materials, the inertia wheel body is subjected to secondary injection molding on the inertia wheel shaft and is coaxially arranged with the inertia wheel shaft, a plurality of embedding grooves are formed in the outer wall of the inertia wheel shaft, and a plurality of embedding blocks which are respectively embedded in the embedding grooves are arranged on the inertia wheel body; the metal counterweight is matched on the inertia wheel body.

The number of the metal balancing weights is at least two, and each metal balancing weight is distributed in central symmetry around the center of the inertia wheel body.

The periphery of the inertia wheel body is uniformly provided with a plurality of mounting grooves, the number of the mounting grooves is the same as that of the metal balancing weights, and the metal balancing weights are respectively embedded in the mounting grooves.

The inertia wheel structure further comprises a metal ring, the metal ring is sleeved on the outer periphery of the inertia wheel body and in interference fit with the inertia wheel body, and the metal ring wraps each metal counterweight.

The inertia wheel structure further comprises two side covers, the two side covers are respectively installed on two sides of the inertia wheel body, and decoration strips are matched on the side covers.

The side cover is connected with the inertia wheel body in a buckling mode.

The side cover is provided with a decorative groove, and the decorative strip is arranged in the side cover decorative groove.

At least one of two circumferential side walls of the embedding groove along the circumferential direction of the inertia wheel shaft is provided with a limiting part; the inertia wheel body is provided with a limit groove for embedding the limit part.

The limiting part is a limiting piece arranged at the edge of the circumferential side wall of the embedding groove, and the limiting piece is arranged in a radial inclined mode relative to the inertia wheel shaft.

The inertia wheel body comprises a wheel body outer ring, a wheel body inner ring and a plurality of spokes which are integrally formed by injection molding, and two ends of each spoke are respectively connected with the wheel body outer ring and the wheel body inner ring; the inertia wheel shaft penetrates through the inner ring of the wheel body, the inner wall of the inner ring of the wheel body is provided with the embedded block, and two ends of the embedded block respectively protrude out of two sides of the inner ring of the wheel body.

After the technical scheme is adopted, the utility model discloses a have following characteristics:

1. the utility model comprises an inertia wheel shaft, an inertia wheel body and at least one metal counterweight block, wherein the inertia wheel shaft and the inertia wheel body are made of plastic materials, and compared with the plastic material, the inertia wheel is lighter in weight and lower in cost, therefore compared with the prior cast iron inertia wheel, the utility model has the advantages of lighter in weight and lower in cost;

2. the utility model discloses an inertia wheel body is that the secondary moulds plastics on inertia wheel shaft, and inertia wheel shaft outer wall is equipped with a plurality of gomphosis grooves, and inertia wheel body is equipped with a plurality of abaculus of gomphosis respectively in each gomphosis groove, and the cooperation through gomphosis groove and abaculus can make inertia wheel body and inertia wheel shaft's connection more firm like this.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an exploded view of the present invention.

Fig. 3 is a schematic structural view of the inertia wheel shaft of the present invention.

Fig. 4 is a schematic structural view of the inertia wheel of the present invention.

Fig. 5 is a sectional view 1 of the present invention.

Fig. 6 is a cross-sectional view 2 of the present invention.

Description of reference numerals:

an inertia wheel shaft 1, an axial through hole 11, a fitting groove 12, a stopper 121, a stopper 1211, a partition plate 122,

the inertia wheel body 2, the wheel body outer ring 21, the mounting groove 211, the wheel body inner ring 22, the spoke 23, the embedded block 24, the clamping groove 241, the limiting groove 25, the connecting rib 26,

a metal counter weight block 3 is arranged on the upper portion of the frame,

the metal ring (4) is provided with a plurality of metal rings,

the side cover 5, the snap 51, the decorative groove 52,

the decorative strip 6 is provided with a decorative strip,

the middle shaft (7) is provided with a central shaft,

a five-way pipe 8.

Detailed Description

In order to further explain the technical solution of the present invention, the present invention is explained in detail by the following embodiments.

As shown in fig. 1 to 6, the present invention discloses an inertia wheel structure, which includes an inertia wheel shaft 1, an inertia wheel body 2, and at least one metal counterweight 3; the inertia wheel body 2 is secondarily injected on the inertia wheel shaft 1, the inertia wheel body 2 and the inertia wheel shaft 1 are coaxially arranged, and the metal counterweight 3 is matched on the inertia wheel body 2; because plastics compare iron, weight is lighter, and the cost is also lower, consequently the utility model discloses current cast iron flywheel has the advantage that weight is lighter, the cost is lower compared.

As shown in fig. 2, 4 and 5, the inertia wheel body 2 may include an outer ring 21, an inner ring 22 and a plurality of spokes 23, which are formed by injection molding, two ends of each spoke 23 are respectively connected to the outer ring 21 and the inner ring 23 of the wheel body, and the inertia wheel axle 1 is inserted into the inner ring 21 of the wheel body; as shown in fig. 2, 3, 5 and 6, the inertia wheel axle 1 may be provided with an axial through hole 11 for mounting the middle shaft 7 and the five-way pipe 8; the outer wall of the inertia wheel shaft 1 can be provided with a plurality of embedding grooves 12, the inertia wheel body 2 is provided with a plurality of embedded blocks 24 which are embedded in the embedding grooves 12 respectively, the embedded blocks 24 are formed by filling materials which are filled in the embedding grooves 12 when the inertia wheel body 2 is injected to the inertia wheel shaft 1 for the second time, the inertia wheel shaft 1 and the inertia wheel body 2 can be combined more stably through the matching of the embedded blocks 24 and the embedding grooves 12, and the inertia wheel shaft 1 and the inertia wheel body 2 are combined in a falling way when the inertia wheel body 2 is driven to rotate by placing the inertia wheel shaft 1; as shown in fig. 4 and 5, the insert 24 may be disposed on the inner wall of the wheel inner ring 22, and two ends of the insert 24 respectively protrude from two sides of the wheel inner ring 22, so that the size of the insert 24 is larger, and the strength of the insert 24 is higher.

As shown in fig. 3, 4 and 5, the fitting groove 12 of the inertia wheel shaft 1 is provided with a limiting portion 121 along two circumferential side walls of the inertia wheel shaft 1 in the circumferential direction, the inertia wheel body 2 is provided with a limiting groove 25 for fitting the limiting portion 121, and the limiting portion 121 is fitted in the limiting portion 121 so that the inertia wheel shaft 1 and the inertia wheel body 2 are combined more stably; as shown in fig. 3 and 5, the position-limiting part 121 is a position-limiting piece 1211 disposed at an edge of a circumferential side wall of the fitting groove 12, and the position-limiting piece 1211 is disposed to be inclined with respect to a radial direction of the flywheel shaft 2; as shown in fig. 5, the two limiting pieces 1211 at the edges of the circumferential side walls of the fitting groove 12 may be parallel to each other, so that the two limiting pieces 1211 can limit whether the inertia wheel body 2 is driven by the inertia wheel shaft 1 to rotate forward or backward, so that the inertia wheel body 1 can be better driven by the inertia wheel shaft to rotate synchronously. It should be noted that the present invention is not limited to the fact that the fitting groove 12 is provided with the limiting portion 121 along two circumferential side walls of the circumference of the inertia wheel shaft 1, as long as the fitting groove 12 is provided with the limiting portion 121 along one of the two circumferential side walls of the circumference of the inertia wheel shaft 1, so that the inertia wheel shaft 1 and the inertia wheel body 2 are combined more stably, and therefore, at least one of the two circumferential side walls of the fitting groove 12 along the circumference of the inertia wheel shaft 1 is provided with the limiting portion 121.

As shown in fig. 3 and 4, the partition plate 122 may be disposed in the fitting groove 12 of the inertia wheel shaft 1, two ends of the partition plate 122 are respectively connected to two axial side walls of the fitting groove 12 along the axial direction of the inertia wheel shaft 1, the partition plate 122 divides the fitting groove 12 into two halves, and the insert block 24 of the inertia wheel body 2 is provided with a slot 241 for fitting the partition plate 122, so that the fitting groove 12 and the insert block 24 can be more stably joined by the cooperation of the partition plate 122 and the slot 241.

As shown in fig. 2, the number of the metal counterweights 3 is at least two, and each metal counterweight 3 is distributed in a central symmetry manner about the center of the inertia wheel body 2, so that the weight distribution of the present invention is uniform; the outer periphery of the inertia wheel body 2 is uniformly provided with a plurality of mounting grooves 211, the mounting grooves 241 are specifically arranged on the outer periphery of the wheel body outer ring 21, the number of the mounting grooves 211 is the same as that of the metal counter weights 3, and the metal counter weights 3 are respectively embedded in the mounting grooves 211; as shown in fig. 1, fig. 2 and fig. 5, further, the inertia wheel structure of the present invention further includes a metal ring 4, the metal ring 4 is sleeved on the outer periphery of the inertia wheel body 2 and the metal ring 4 is in interference fit with the inertia wheel body 2, and the metal ring 4 covers each metal counterweight 3 and avoids the metal counterweight 3 to be separated from the mounting groove 211, wherein the metal counterweight 3 can be an iron block, and the metal ring 4 is an aluminum ring.

As shown in fig. 1, fig. 2, fig. 5 and fig. 6, the inertia wheel structure of the present invention may further include two side covers 5, the two side covers 5 are respectively installed on two sides of the inertia wheel body 1 to cover the spokes 23 of the inertia wheel body 2, the side covers 5 are matched with the decoration strip 6, and the decoration strip 6 can print advertisements or other decoration patterns to play a role of advertising or beautifying the inertia wheel structure of the present invention; as shown in fig. 2 and 5, the side cover 5 may have a fastener 51, and the spokes 23 of the inertia wheel body 2 may be adjacent to each other through the connecting rib 26, and the fastener 51 of the side cover 5 is fastened to the connecting rib 26, so that the side cover 5 is fastened to the inertia wheel body 2; as shown in fig. 1 and 2, a decorative groove 52 may be provided on the side cover 5, and the decorative strip 6 is disposed in the decorative groove 52 of the side cover 5 by means of bonding or clipping.

The above embodiments and drawings are not intended to limit the form and style of the present invention, and any suitable changes or modifications made by those skilled in the art should not be construed as departing from the scope of the present invention.

Claims

1. An inertia wheel structure, comprising: comprises an inertia wheel shaft, an inertia wheel body and at least one metal counterweight block;

the inertia wheel body and the inertia wheel body are made of plastic materials, the inertia wheel body is subjected to secondary injection molding on the inertia wheel shaft and is coaxially arranged with the inertia wheel shaft, a plurality of embedding grooves are formed in the outer wall of the inertia wheel shaft, and a plurality of embedding blocks which are respectively embedded in the embedding grooves are arranged on the inertia wheel body;

the metal counterweight is matched on the inertia wheel body.

2. A flywheel construction as claimed in claim 1 wherein: the number of the metal balancing weights is at least two, and each metal balancing weight is distributed in central symmetry around the center of the inertia wheel body.

3. A flywheel construction as claimed in claim 2 wherein: the periphery of the inertia wheel body is uniformly provided with a plurality of mounting grooves, the number of the mounting grooves is the same as that of the metal balancing weights, and the metal balancing weights are respectively embedded in the mounting grooves.

4. A flywheel construction as claimed in claim 3 wherein: the inertia wheel comprises an inertia wheel body and is characterized by further comprising a metal ring, wherein the metal ring is sleeved on the outer periphery of the inertia wheel body and in interference fit with the inertia wheel body, and covers each metal counterweight block.

5. A flywheel construction as claimed in claim 1 wherein: the two side covers are respectively arranged on two sides of the inertia wheel body, and the side covers are matched with decorative strips.

6. An inertia wheel structure as claimed in claim 5, wherein: the side cover is connected with the inertia wheel body in a buckling mode.

7. An inertia wheel structure as claimed in claim 5, wherein: the side cover is provided with a decorative groove, and the decorative strip is arranged in the side cover decorative groove.

8. A flywheel construction as claimed in claim 1 wherein: at least one of two circumferential side walls of the embedding groove along the circumferential direction of the inertia wheel shaft is provided with a limiting part; the inertia wheel body is provided with a limit groove for embedding the limit part.

9. An inertia wheel structure as claimed in claim 8, wherein: the limiting part is a limiting piece arranged at the edge of the circumferential side wall of the embedding groove, and the limiting piece is arranged in a radial inclined mode relative to the inertia wheel shaft.

10. A flywheel construction as claimed in claim 1 wherein: the inertia wheel body comprises a wheel body outer ring, a wheel body inner ring and a plurality of spokes which are integrally formed by injection molding, and two ends of each spoke are respectively connected with the wheel body outer ring and the wheel body inner ring; the inertia wheel shaft penetrates through the inner ring of the wheel body, the inner wall of the inner ring of the wheel body is provided with the embedded block, and two ends of the embedded block respectively protrude out of two sides of the inner ring of the wheel body.