TWM540756U - Wheel - Google Patents

Description

wheel

This creation is about a component of a vehicle, especially a wheel.

Figure 1 is a conventional walker disclosed in the "Multi-Functional Slider" patent case of the Republic of China Announcement No. M397932. Referring to FIG. 1 , the conventional walker 9 is provided with a handle 911 for holding by a user at one end of a bracket 91. The other end of the bracket 91 is provided with two protrusions 912, and a front wheel 92 is provided with a heart. The shaft 921 is pivotally connected to the two protrusions 912 of the bracket 91. The two curved plates 93 are respectively coupled to one side of the bracket 91 by one end, and a rear wheel 94 is pivotally connected to the two curved plates by a spindle 941. At the other end of the 93, a seat 95 is assembled in the middle of the two curved plates 93. Accordingly, the young child in the step can sit on the seat 95, and the handle 911 is supported by the hand, and is pushed by the two ankles to drive the front wheel 92 and the rear wheel 94 to rotate, so that the walker 9 advances.

Among them, the conventional walker 9 has a front wheel 92 and a rear wheel 94. Taking the front wheel 92 as an example, the front wheel 92 includes a wheel frame 922 and a tire 923. The tire 923 is sleeved on the outer circumference of the wheel frame 922. The wheel frame 922 has a hub portion 924 at the center thereof. A plurality of support ribs 925 are provided on the outer circumference; the mandrel 921 extends through the hub 924 of the wheel frame 922 to pivotally connect the front wheel 92 to the bracket 91. Therefore, when the front wheel 92 rotates, if there are foreign objects, such as toys, branches, or even the limbs of the user or others, extending between the plurality of support ribs 925 of the wheel frame 922, the front wheel 92 is caught. Stopping the rotation momentarily, it is easy to cause the accident of the conventional walker 9 to be overturned. Totality is worrying.

The second picture is a three-dimensional combination of the walker disclosed in the patent case of the Republic of China Announcement No. M445524 "The Walker". Figure 3 is an exploded perspective view of the front wheel of the walker disclosed in the patent case of the Republic of China Bulletin No. M445524, "The Walker". Referring to Figures 2 and 3, the conventional walker includes a body 81 and wheels 82a, 82b. Taking the wheel 82a as an example, the wheel 82a is at the bottom of the vehicle body 81 and has a wheel cover 821. The wheel cover 821 is provided with a ring frame 8211 and has a central hole 8212. The inner circumference of the central hole 8212 faces the ring frame 8211. One side is connected to an extension portion 8213, and a plurality of pivotal posts 8214 are circumferentially disposed around the extension portion 8213. The wheel 82a further has a wheel cover 822. The wheel cover 822 is provided with a ring frame 8221 and has a central hole 8222. The inner periphery of the central hole 8222 is connected to an extension portion 8223 of one side of the ring frame 8221. The 8224 is circumferentially disposed on the outer circumference of the extension portion 8223.

The two wheel covers 821 and 822 are opposite to each other, and the two wheel covers 821 and 822 are oppositely joined to form a rolling space. A roller 824 and a plurality of rolling elements 825 are disposed therein. The plurality of rolling elements 825 are rotatable. The plurality of pivoting posts 8214 are pivotally connected to the two wheel covers 821 and 822 and respectively abut against the inner circumferential surface of the roller 824. Thereby, the wheel of the walker can be in a hollow form, so as to avoid the momental rotation of the roller and the overturning caused by the foreign object invading during the rotation.

The previously created Republic of China Announcement No. M445524 "Walk Walker" patent case, although it has solved the problem of avoiding the invasion of foreign bodies and stopping the rotation and causing the overturning, it can properly protect the young children in use, but the wheel structure is not Generally common specifications are less compatible with general tire factories, resulting in slow production schedules and high production costs.

Based on the above and other reasons, the creator of the case made another improvement.

The purpose of this creation is to provide a wheel that is hollow in shape to avoid stopping rotation due to foreign matter intrusion.

Another object of the present invention is to provide a wheel that can be applied to vehicles such as carts and strollers, and to improve the safety and aesthetics of vehicles such as carts and strollers by means of hollow designed wheels.

A further object of the present invention is to provide a wheel on which the outer rim can be provided with a general tire, which can be used in conjunction with a general tire factory to increase the production efficiency of the wheel and the overall walker.

A further object of the present invention is to provide a wheel in which the inner rim and the outer rim pass through a plurality of rolling members such that the outer rim can rotate relative to the inner rim.

Another object of the present invention is to provide a wheel having an escape groove on the outer wall surface of the inner rim of the wheel for accommodating the debris generated by rolling of the rolling member to improve the durability of the walker and its wheel. degree.

Another object of the present invention is to provide a wheel having a different rolling material, the inner rim and the outer rim to improve the stability of the walker and its wheels.

In order to achieve the above and other purposes, the technical content of the present application includes: a wheel comprising: a wheel frame; an inner rim having an inner wheel frame seat and an inner wheel outer wall surface, the inner wheel ring transmitting The inner wheel carrier is combined with the wheel frame; an outer rim has an outer rim inner wall surface; and a plurality of rolling members rotatably disposed on the inner rim outer wall surface of the inner rim and the outer rim Between the inner wall surfaces of the outer rim, the outer rim is driven by the number of rolling elements Rotation occurs for the inner rim.

Wherein, the outer rim inner wall surface of the outer rim extends an outer rim inner wall surface extending portion, and the plurality of rolling elements are disposed on the outer rim inner wall surface extending portion of the outer rim inner wall surface, and the number of rolling members 26 slightly protrudes the outer wheel The inner diameter of the inner wall extension of the ring.

Wherein, the number of rolling elements can rollably abut the inner wall surface of the outer rim and the outer wall surface of the inner rim.

Wherein, the outer rim of the inner rim is provided with an escape groove.

Wherein, the inner rim has a pair of inner rim side wall portions, and the number of rolling elements are rollably sandwiched by the pair of inner rim side wall portions.

The first wheel cover is provided with a first pivoting hole, and the first pivoting hole receives a first pivoting member; the second pivoting hole The wheel cover is provided with a second pivoting hole, the second pivoting hole accommodating a second pivoting member, the first wheel cover and the second wheel cover are transmitted through the first pivoting member and the second pivoting member Removably combined.

The inner wheel rim is provided with a pivoting groove for the first pivot hole and the second pivot hole to pass through.

Wherein, the first wheel cover is provided with a dust-proof wall, and the dust-proof wall extends axially toward the wheel.

Wherein, the dust-removing wall extends radially toward the wheel with an extended dust-removing wall, and the outer rim 24 is provided with an outer rim dust-retaining wall, and the outer rim dust-proof wall extends axially outward of the wheel.

Wherein, the outer rim has an outer rim side wall portion, and the outer rim side wall portion is provided with a plurality of friction portions.

Wherein, the wheel further includes a tire disposed outside the outer rim, The tire is sandwiched by the outer rim side wall portion.

Wherein, the inner rim and the outer rim are metal, and the number of rolling elements is rubber.

Wherein, the outer rim has a shock absorbing layer.

1‧‧‧ body

2‧‧‧ Wheels

11‧‧‧ grip

12‧‧‧The Department of Riding

20‧‧‧ round frame

201‧‧‧Locking components

21‧‧‧First wheel cover

211‧‧‧First wheel stand

212‧‧‧First pivot hole

213‧‧‧First pivoting piece

22‧‧‧second wheel cover

221‧‧‧Second wheel stand

222‧‧‧Second pivot hole

223‧‧‧Second pivotal joint

23‧‧‧Inner rim

231‧‧‧Internal wheel mount

232‧‧‧ pivot slot

233‧‧‧Inner rim outer wall

234‧‧‧ escape trough

235‧‧‧Inside rim side wall

24‧‧‧Outer rim

241‧‧‧ outer rim inner wall

2411‧‧‧External wall extension

242‧‧‧Outer rim side wall

243‧‧‧ Friction Department

245‧‧‧ shock absorbing layer

25‧‧‧ tires

26‧‧‧Rolling parts

270‧‧‧plug

271‧‧‧Auxiliary pivot hole

280‧‧‧ dust wall

281‧‧‧Extension dust wall

282‧‧‧Outer rim dust-proof wall

290‧‧‧ tire inflation plug

Figure 1 is a conventional walker disclosed in the "Multi-Functional Slider" patent case of the Republic of China Announcement No. M397932.

Figure 2 is a three-dimensional combination of the conventional walker disclosed in the "Walk Walker" patent case of the Republic of China Announcement No. M445524 previously filed by the creator of the case.

Figure 3 is an exploded perspective view of the front wheel of the conventional walker disclosed in the "Walker" patent case of the Republic of China Announcement No. M445524 previously filed by the creator of the present case.

Fig. 4 is a perspective assembled view of the wheel of the present embodiment and the walker using the same.

Fig. 5 is an enlarged view of the wheel of the present embodiment.

Fig. 6 is a schematic view showing the disassembly of the wheel of the present embodiment.

Fig. 7 is an exploded view of the wheel of the present embodiment.

Figure 8 is a cross-sectional view of the wheel of the presently-created embodiment taken along line A of Figure 5;

Figure 9 is a cross-sectional view showing the wheel of the second embodiment of the present invention.

Figure 10 is an exploded view of the wheel of the third embodiment of the present invention.

The above and other objects, features and advantages of the present invention will become more apparent and understood.

Directional terms mentioned in the following examples, such as: up, down, left, front or After, just refer to the direction of the additional schema, not to limit the creation.

Fig. 4 is a perspective assembled view of a walker to which the wheel of the present embodiment is applied. Referring to FIG. 4 , in the embodiment, the walker can include a vehicle body 1 and at least one wheel 2 , and the at least one wheel 2 is coupled to the skeleton of the vehicle body 1 to drive the vehicle body 1 to move. .

The number of the wheels 2 is not limited, and the vehicle body 1 is matched to form a walker of different forms such as a single-wheeled vehicle, a two-wheeled vehicle or a tricycle, and those skilled in the art can understand and derive variations, so the following The two-wheeled walker is illustrated as an example, but not limited to this.

In addition, the wheel 2 can be applied to the above-mentioned walker, and can be applied to vehicles such as a stroller and a stroller. Those skilled in the art can understand and derive the change, so the following walker is For example, it is not limited to this.

In the embodiment shown in Fig. 4, the walker is in the form of a two-wheeled vehicle, so the number of the wheels 2 is two.

The vehicle body 1 is generally in the shape of a horizontally long column. The top and bottom of one end of the body 1 are respectively connected to a grip 11 and the wheel 2. The bottom of the other end of the body 1 is connected to the other wheel 2. The vehicle body 1 is further provided with a seat portion 12. In this way, the user can ride on the seat portion 12 and hold the grip 11 to drive the walker to move while walking.

Fig. 5 is an enlarged view of the wheel of the present embodiment. Fig. 6 is a schematic view showing the disassembly of the wheel of the present embodiment. Fig. 7 is an exploded view of the wheel of the present embodiment. Referring to FIG. 7, the wheel 2 mainly includes a wheel carrier 20, an inner rim 23, an outer rim 24, and a plurality of rolling members 26. The plurality of rolling members 26 are disposed between the inner rim 23 and the outer rim 24, and the outer rim 24 is rotatable relative to the inner rim 23 by the plurality of rolling members 26. The wheel 2 can be connected to the vehicle body 1 by the wheel carrier 20.

The wheel 2 can further include a first wheel cover 21 and a second wheel cover 22, thus making the embodiment more aesthetically pleasing.

The wheel 2 may further comprise a tire 25 that is sleeved outside the outer rim 24.

The wheel 2 can also be rotated only through the outer rim 24, for example, a shock absorbing layer (waiting for explanation) such as rubber, hard foam, or the like is directly disposed on the outer diameter of the outer rim 24 as contact with the ground. This arrangement can be, for example, a plastic injection coating.

Referring to FIG. 7 in more detail, the first wheel cover 21 is generally in the form of a hollow circular sheet. The first wheel cover 21 can be provided with a first wheel carrier 211 for combining the wheel carrier 20. The first wheel cover 21 can be provided with a first pivot hole 212 for receiving a first pivoting member 213, such as a magnet.

In contrast, the second wheel cover 22 is also substantially in the form of a hollow circular sheet. The second wheel cover 22 can be provided with a second wheel carrier 221 for combining the wheel carrier 20. The second wheel cover 22 can be provided with a second pivot hole 222 for receiving the second pivoting member 223, such as a magnet. Thereby, the first wheel cover 21 and the second wheel cover 22 can increase the bonding stability through the first and second pivoting members 213 and 223. When the first and second pivoting members 213 and 223 are selected as magnets, the first wheel cover 21 and the second wheel cover 22 can be easily combined and disassembled by magnetic, thereby increasing the convenience of loading and unloading by the user. .

The inner rim 23 can be roughly in the shape of a hollow circular cylinder. The inner rim 23 can be provided with an inner wheel carrier 231 for joining the wheel carrier 20. The inner rim 23 can be coupled to the wheel carrier 20 through the inner wheel carrier 231 by means of a locking element 201, such as a screw. The inner rim 23 can be provided with a pivoting slot 232 for the first pivoting hole 212 and the second pivoting hole 222 to pass through, so that the first and second pivoting members 213 and 223 are coupled to each other.

The first wheel carrier 211 and the second wheel carrier 221 are respectively provided with a plug 270 for inserting and coupling the carrier 20 . Thereby, the first wheel cover 21, the second wheel cover 22 and the inner rim 23 can respectively pass through the first wheel carrier seat 211, the second wheel carrier seat 221 and the inner wheel carrier seat 231, and the same The wheel carrier 20 is joined to increase the bonding stability of the above components.

The outer rim 24 is substantially in the shape of a hollow circular cylinder, and the inner side of the cylindrical shape extends toward the cylindrical center of the outer rim 24 with an outer rim inner wall surface 241. In this embodiment, the plurality of rolling elements 26 are substantially disk-shaped, and the number of rolling elements 26 are rollably disposed on the inner rim outer wall surface 233 of the inner rim 23 and the outer rim inner wall surface 241 of the outer rim 24 between. The outer rim 24 is rotatable relative to the inner rim 23 by the number of rolling members 26.

In the present embodiment, the outer rim inner wall surface 241 extends radially toward the wheel 2 with an outer rim inner wall surface extension 2411, and the number of rolling elements 26 is disposed on the outer rim inner wall surface. Extension 2411. Preferably, the number of rolling members 26 slightly protrudes from the inner diameter of the outer rim inner wall surface 241. Therefore, the outer rim 24 can abut against an inner rim outer wall surface 233 of the cylindrical inner rim 23 by the number of rolling members 26. Therefore, the outer rim 24 can rotate the outer rim 24 relative to the inner rim 23 by the repulsion of the number of rolling members 26.

The outer rim 24 can be further provided with a tire inflation plug 290 for facilitating inflation of the tire.

The first wheel cover 21 can be further provided with an auxiliary pivot hole 271 for directly locking the first wheel cover 21 to the inner rim 23, and the locking hole of the inner rim 23 is matched (not drawn The user can lock the single-sided wheel cover to the inner rim, thereby disassembling only the un-locked wheel cover on the other side, and it is convenient for use as an inflation or inspection tire.

The inner rim 23 can further be provided with an escape slot on the inner rim outer wall surface 233. 234. When the number of rolling elements 26 and the inner rim outer wall surface 233 are worn out to generate debris, the escape groove 234 can accommodate the debris to increase the rotational smoothness and life of the wheel 2.

Figure 8 is a cross-sectional view of the wheel of the presently-created embodiment taken along line A of Figure 5; Referring to FIG. 8, the outer rim 24 is generally Y-shaped as viewed in cross section, and has an outer rim side wall portion 242 for interposing the tire 25. The outer rim side wall portion 242 may be provided with a plurality of friction portions 243 for increasing the frictional force and increasing the stability of the tire 25 interposed. The number of rolling members 26 provided on the inner wall surface 241 of the outer rim is preferably a symmetrical roller. The number of rolling members 26 protrudes from the inner diameter of the outer rim inner wall surface 241. The diameter of the number of rolling members 26 may be slightly larger than the radial wall diameter of the outer rim inner wall surface 241.

The inner rim 23 can also be designed in a schematic Y-shape as viewed in cross section, and has a pair of inner rim side wall portions 235 for sandwiching the number of rolling members 26 to increase rotational stability.

The inner rim 23, the outer rim 24 and the number of rolling elements 26 can be selected from different materials. For example, the inner rim 23 and the outer rim 24 are selected from a metal material such as aluminum, and the number of rolling elements 26 is selected to be a soft material such as rubber. Thereby, the buffering and shock absorbing ability when the tire 2 is rotated can be increased, and the cost saving effect can be achieved.

In addition, the first wheel cover 21 and the second wheel cover 22 may be respectively provided with a dust removing wall 280. The dust retaining wall 280 extends substantially axially into the wheel to block dust and reduce the chance of dust entering the interior of the tire 2.

Referring again to FIG. 1, the structure of the front and rear wheels 2 is substantially the same, and will not be described in detail herein, as will be understood by those skilled in the art.

Regarding the manner of setting the number of scroll members 26, another embodiment will be described below.

Figure 9 is a cross-sectional view showing the wheel of the second embodiment of the present invention. Referring to FIG. 9, the number of rolling members 26 may be selected as spherical rolling members such as steel balls and hard rubber beads. In this embodiment, The number of rolling members 26 can be inserted between the inner rim 23 and the outer rim 24 by a suitable mechanical force, or the heating of the number of rolling members 26 can assist the insertion process, or design the inner rim 23 or the The outer rim 24 is assembled from the center, for example, the inner rim 23 shown in Fig. 9 is assembled from the center.

Referring to FIG. 9 , the number of rolling elements 26 is rollably disposed between the inner rim outer wall surface 233 of the inner rim 23 and the outer rim inner wall surface 241 of the outer rim 24 , so the outer rim 24 is borrowed. The number of rolling members 26 is rotated relative to the inner rim 23. In detail, the number of rolling members 26 can rollably abut between the outer rim inner wall surface 241 and the inner rim outer wall surface 233, so that the outer rim 24 can be opposite by the number of rolling members 26 The inner rim 23 produces a rotation.

By selecting the number of rolling members 26 as the spherical rolling members, the wheel 2 of the present embodiment can be further downsized because the spherical rolling members can further omit the central axis as compared with the disk-shaped rolling members.

In the embodiment, the first wheel cover 21 and the second wheel cover 22 can add an extended dust removing wall 281 to the dust removing wall 280. The extended dust-removing wall 281 is different from the direction in which the dust-removing wall 280 extends. The extended dust-removing wall 281 extends radially outwardly from the wheel to further block dust. In addition, the outer rim 24 is also provided with an outer rim dust-retaining wall 282 extending substantially outwardly from the wheel for supporting the extended dust-removing wall 281 or the dust-removing wall 280 to further block dust.

Figure 10 is an exploded view of the wheel of the third embodiment of the present invention. Referring to FIGS. 7 and 10 simultaneously, the difference between the two embodiments is that the third embodiment of FIG. 10 omits the tire 25, that is, the wheel 2 is only rotated through the outer rim 24. In this embodiment, the outer diameter of the outer rim 24 is directly provided with a shock absorbing layer 245, such as rubber, hard foam, or the like, as contact with the ground. This arrangement is for example a plastic injection coating.

In summary, the wheel of the present invention is designed to be hollow by the wheel, and is rotatably disposed between the inner rim and the outer rim through the rolling member, so that the outer rim can be rotated relative to the inner wheel by the rolling member The circle produces a rotation. In this way, during the rotation of the wheel, the wheel and the walker using the same can be avoided, and the rotation can be stopped instantaneously due to the invasion of the foreign object, thereby reducing the accident of overturning and improving the safety of use. Furthermore, the tires of the wheel of this creation can be manufactured in conjunction with a general tire factory to increase production efficiency and reduce production costs.

Although the present invention has been disclosed by the above-described preferred embodiments, it is not intended to limit the present invention, and it is still within the spirit and scope of the present invention to make various changes and modifications to the above embodiments. The technical scope of the protection is created, so the scope of protection of this creation is subject to the definition of the patent application scope attached.

20‧‧‧ round frame

201‧‧‧Locking components

21‧‧‧First wheel cover

211‧‧‧First wheel stand

212‧‧‧First pivot hole

213‧‧‧First pivoting piece

22‧‧‧second wheel cover

221‧‧‧Second wheel stand

222‧‧‧Second pivot hole

223‧‧‧Second pivotal joint

23‧‧‧Inner rim

231‧‧‧Internal wheel mount

232‧‧‧ pivot slot

233‧‧‧Inner rim outer wall

234‧‧‧ escape trough

235‧‧‧Inside rim side wall

24‧‧‧Outer rim

241‧‧‧ outer rim inner wall

2411‧‧‧External wall extension

242‧‧‧Outer rim side wall

243‧‧‧ Friction Department

25‧‧‧ tires

26‧‧‧Rolling parts

270‧‧‧plug

271‧‧‧Auxiliary pivot hole

290‧‧‧ tire inflation plug

Claims (10)

A wheel comprising: a wheel carrier; an inner rim having an inner wheel frame seat and an inner wheel outer wall surface, wherein the inner wheel ring is coupled to the wheel frame through the inner wheel frame seat; and an outer rim having an outer rim The inner wall surface; and the plurality of rolling elements, the number of rolling elements are rollably disposed between the outer wall surface of the inner rim of the inner rim and the inner wall surface of the outer rim of the outer rim, wherein the outer rim is driven by the number of rolling elements Rotation occurs relative to the inner rim. The wheel of the outer rim of the outer rim extends an inner wall surface extension of the outer rim, the number of rolling elements is disposed on the inner wall extension of the outer rim, and the number of rolling elements protrudes from the outer wheel. The inner diameter of the inner wall extension of the ring. The wheel of claim 1, wherein the number of rolling elements can rollably abut the inner wall surface of the outer rim and the outer wall surface of the inner rim. The wheel of claim 1, wherein the inner rim of the inner rim is provided with an escape groove. The wheel of claim 1, wherein the inner rim has a pair of inner rim side wall portions that are rollably sandwiched by the pair of inner rim side wall portions. The wheel of the first aspect of the invention, further comprising a first wheel cover and a second wheel cover, wherein the first wheel cover is provided with a first pivot hole, and the first pivot hole receives a first The second wheel cover is provided with a second pivot hole, the second pivot hole accommodating a second pivoting member, the first wheel cover and the second wheel cover are transmitted through the first pivoting member The second pivoting member is detachably coupled. The wheel of the sixth aspect of the invention, wherein the inner rim is provided with a pivoting slot for the first pivoting hole and the second pivoting hole to pass through. The wheel of claim 6, wherein the first wheel cover is provided with a dust wall that extends axially toward the wheel. The wheel of claim 1, wherein the outer rim has an outer rim side wall portion, the outer rim side wall portion is provided with a plurality of friction portions, and wherein the wheel further comprises a tire, the tire sleeve Outside the outer rim, the tire contacts the number of friction portions, and the tire is interposed by the outer rim side wall portion. The wheel of claim 1, wherein the outer rim has a shock absorbing layer.