KR101675754B1 - a inline skate wheel - Google Patents

Abstract

According to the present invention, an inline skate wheel supports a plurality of wheels in a frame of an inline skate to be able to rotate. According to one embodiment of the present invention, an inline skate wheel is installed on an axle fixed in a channel type frame and includes a bearing in a receiving part formed in an inner circumference of a hub of the wheel. The inline skate wheel comprises a gap adjustment spacer including: a first spacer having a first screw part in order to variably adjust a gap between both bearings installed in the receiving part; and a second spacer having a second screw part corresponding to the first screw part to be combined with the first spacer to be able to relatively rotate with respect to the first spacer.

Description

A inline skate wheel}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a skate wheel, and more particularly to an inline skate wheel for rotatably supporting a plurality of wheels on a frame of an inline skate.

In general, skates are distinguished from ice skates riding on ice and roller skates riding on the ground. Roller skates are divided into quad roller skates and inline skates, depending on the type of wheel installation.

In particular, inline skates are inexpensive and available for leisure regardless of location, making them popular as leisure products in various age groups.

Although not shown in the drawing, a conventional inline skate has a wheel on an outer surface of a hub formed with a through hole at the center, a pair of bearings mounted on the through hole of the hub, and a bearing between the bearings And the wheel can be rotatably supported by the axle fixed to the channel-shaped frame through the bearing and the spacer.

When the inline skates are assembled by mounting the bearings and the spacers on the injection-molded hub, it is difficult to finely adjust the spacing between the bearings mounted on the hub's seat portion due to the tolerance of the hub by the spacers.

Therefore, when assembling the inline skates, the depth of the seating portion of the hub on which the bearing is mounted is measured by a measuring mechanism (for example, a dial gauge), and then a spacer having a size corresponding to the measured value is inserted between the both bearings So that the work time for assembling the inline skates is increased and the work efficiency is remarkably decreased.

If the mold is designed and manufactured to increase the precision of the injection-molded hub, the production cost will increase, which will lead to an increase in the cost of the hub, which may result in a price competitiveness in the field of the industry.

When the distance between the bearings is adjusted by the spacers, a first gap is generated between the bearing portion of the hub and the outer ring of the bearing, or the first and second ends of the spacer and the inner ring of the bearing A second gap may be generated.

As described above, when the inline skates are assembled by adjusting the spacing between the bearings by a spacer whose length can not be adjusted variably, the above-mentioned first gap or second gap may be generated. As a result, when the inline skates are taken out, both bearings mounted on the seating portion of the hub can be finely flown.

Particularly, when an athlete or a crowd rides on the inline skate, unnecessary force is lost when the bearing mounted on the seat of the hub flows, which may cause a problem that can hinder the recording achievement.

The inline skate wheel is posted in the utility model registration application No. 20-2005-00016161.

According to the present invention, the invention relates to an inline skate wheel which is capable of varying the distance between the bearings supporting the wheel so as to be rotatably mounted on the frame of the inline skate.

In addition, it is unnecessary to design and manufacture processes for increasing the precision of the mold for injection molding of the hub, thereby reducing the manufacturing cost of the mold, shortening the work time for assembling the hub, and reducing the cost cost due to mass production It relates to inline skating wheels.

In addition, the present invention relates to an in-line skate wheel in which a bearing mounted on a hub minimizes a minute flow when the in-line skate rides, thereby minimizing the loss of unnecessary power of the user.

The inline skate wheel according to one embodiment disclosed in this specification

1. An inline skate wheel in which a wheel is rotatably mounted on an axle fixed to a channel-shaped frame, and a bearing is mounted on a seat portion formed at an inner periphery of a hub of the wheel,

A first spacer having a first threaded portion formed therein for variably controlling an interval between both bearings mounted on the seating portion and a second threaded portion corresponding to the first threaded portion so as to be rotatable relative to the first spacer And a spacer for spacing which is made up of a second spacer to be joined.

The inline skate wheel according to another embodiment disclosed in this specification

1. An inline skate wheel in which a wheel is rotatably mounted on an axle fixed to a channel-shaped frame, and a bearing is mounted on a seat portion formed at an inner periphery of a hub of the wheel,

A first spacer formed on an inner peripheral edge of the first threaded portion to variably adjust an interval between both bearings mounted on the seating portion, and a second threaded portion corresponding to the first threaded portion, And a third spacer having a second thread portion corresponding to the first thread portion so as to be rotatable relative to the first spacer and being symmetrical with respect to the second spacer, And an inline skate wheel.

According to the published contents constituted as described above, the following advantages are obtained.

By adjusting the distance between the bearings mounted on the frame in order to support the wheels of the inline skates, it is possible to prevent the occurrence of crevices between the hubs and the spacers for the bearings even when the hub is stretched or deformed in accordance with the change in temperature .

In addition, since the designing and manufacturing process for increasing the precision of the mold for injection molding of the hub is unnecessary, the manufacturing cost of the mold is reduced, the work time for assembling the hub is shortened and the cost cost is reduced by mass production, It will be able to increase price competitiveness in the field.

Further, as the bearing mounted on the hub minimizes the minute flow of the inline skates, loss of unnecessary force of the user is minimized, so that practicality and reliability are obtained.

1 is an exploded perspective view of an in-line skate wheel according to an embodiment disclosed herein;
Figure 2 is an assembled cross-sectional view of the wheel shown in Figure 1,
Fig. 3 is an exploded perspective view of a spacer mounted on the wheel shown in Fig. 1,
Fig. 4 is a view of a tool used in assembling the wheel shown in Fig. 1,
Fig. 5 is a use state diagram of the wheel shown in Fig. 1,
Fig. 6 is a view showing a modification of the wheel shown in Fig. 1. Fig.

Hereinafter, the inline skate wheel according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

1 to 5, an inline skate wheel according to an embodiment of the present invention includes:

(For example, a urethane material can be used) is rotatably mounted on an axle fixed to a channel-shaped frame, and a bearing (not shown) formed on the inner periphery of a hub (which can be injection-molded as a plastic material) 1. An inline skate wheel comprising:

In order to variably adjust the distance between the two bearings 12 and 13 composed of the inner rings 12a and 13a and the outer rings 12b and 13b mounted on the seating portions 10 and 11 described above, And a second screw portion 16 corresponding to the first screw portion 14 is formed on the outer periphery of the first spacer 15 so as to be relatively rotatable relative to the first spacer 15, And a spacing spacer 18 (which may be formed of, for example, an aluminum (Al) material), which is made of a spacer 17.

Although the spacing adjusting spacer 18 described above has the first spacer 15 in which the first screw portion 14 is formed at the outer periphery and the second screw portion 16 corresponding to the first screw portion 14, And a second spacer 17 formed on the inner periphery and threadably coupled to the first spacer 15 so as to be relatively rotatable.

More preferably, the spacing adjusting holes 21 and 22 are formed in the bosses 19 and 20 of the first and second spacers 15 and 17 in the radial direction, When the first spacer 15 or the second spacer 17 is rotated in a clockwise or counterclockwise direction by an arbitrary tool 23 detachably coupled to the seating portions 10 and 11, (12, 13) can be adjusted.

(For example, a scale of 1/100 mm in one scale) is formed on the flange 24 of any one of the first and second spacers 15 and 17 so as to be equidistant in the circumferential direction And a display unit 25.

When the spacing between the two bearings 12 and 13 mounted on the above-mentioned seat portions 10 and 11 is adjusted by the spacer 18 for adjusting the spacing, due to the loosening of the first and second spacers 15 and 17, (Not shown) to the first and second threaded portions 14 and 16 of the first and second spacers 15 and 17 to prevent a gap from being generated between the spacers 12 and 13 and the spacing spacer 18, Can be applied and combined.

When the adhesive applied to the first and second threaded portions 14 and 16 is cured after a lapse of a predetermined time (for example, about 3 to 6 hours has elapsed), the first and second spacers 15 and 17 It is possible to prevent a gap from being generated between the bearings 12 and 13 and the gap adjusting spacer 18 due to the loosening of the first and second threaded portions 14 and 16.

The above-mentioned adhesive can be used as a loctite or the like, and since such an adhesive is an article used in the art, a detailed description of the method of using the adhesive is omitted.

Is formed on the side surface of at least one of the bosses 19 and 20 of the first and second spacers 15 and 17 which are in close contact with the inner rings 12a and 13a of the bearings 12 and 13 described above, And a silicon layer 26 for compensating for an interval between the inner rings 12a, 13a of the bearings 12, 13 and the spacer 18 for spacing adjustment according to the present invention.

Although not shown in the figure, the silicon layer 26 may be formed in a ring shape having an arbitrary thickness, or may be formed in the shape of a ring having a predetermined thickness by being coupled to a coupling hole formed in the circumferential direction on the outer surface of the boss portions 19, Or the like.

In the drawings, reference numerals 30 and 32 denote T-shaped fasteners and nut-shaped fasteners for mounting the bearings 12 and 13 on the seating portions 10 and 11 of the hub 28, respectively.

According to the above-described configuration, the axle is fixed to the channel-shaped frame, the hub is formed at the center of the wheel rotatably mounted on the axle, and the bearing is mounted on the seat portion formed at the inner periphery of the hub The inline skate wheel of the present invention has a structure used in this field of art, and hence a detailed description thereof will be omitted.

The bearings 12 and 13 are respectively mounted on the seating portions 10 and 11 formed on the inner periphery of the hub 28 described above and the spacing spacers 18 are accommodated between the bearings 12 and 13, The spacing spacer 18 is accommodated movably in the axial direction between the bearings 12 and 13).

The first and second threaded portions 14 and 16 are screwed so that the spacing adjusting spacer 18 formed of the first and second spacers 15 and 17 is smaller than the distance L between the seating portions 10 and 11 And it is assembled to have a size.

The first and second spacers 15 and 17 are attached to the first and second threaded portions 14 and 16 after they are coated with an adhesive agent and are seated on the seating portions 10 and 11.

The rod portion 31 of the T-shaped fastener 30 is connected to the bearing 11, the first and second spacers 15 and 17 and the second bearing 13 And then a nut type fastener 32 having a female screw portion corresponding thereto is screwed to the male screw portion of the rod portion 31. Then,

This makes it possible to mount the outer rings 12b and 13b of the bearings 12 and 13 in close contact with the seating portions 10 and 11 of the hub 28 described above. At this time, the spacing adjusting spacers 18, to which the first and second spacers 15 and 17 are screwed, are finely movably coupled axially between the bearings 12 and 13.

At this time, it is possible to adjust the size of the spacer 18 so as to coincide with the distance L between the seating portions 10 and 11 described above. The bending portions of the tool 23 are engaged with the spacing adjusting holes 21 and 22 formed in the boss portions 19 and 20 of the first and second spacers 15 and 17 in the radial direction, , 17) can be rotated clockwise or counterclockwise.

This allows the bosses 19 and 20 of the first and second spacers 15 and 17 to be in close contact with the inner rings 12a and 13a of the bearings 12 and 13 so that the first and second spacers 15 and 17 And the bearings 12 and 13 can be prevented from occurring.

At this time, when the adhesive applied to the first and second screw portions 14 and 16 is cured after a lapse of a predetermined time (about 3 to 6 hours), the gap adjusting spacers 18 Can be prevented from flowing between the bearings (12, 13).

When the distance L between the seating portions 10 and 11 of the injection-molded hub 28 as described above is different for each article due to the manufacturing tolerance, or when the distance L between the first and second spacers 15 and 17 Even when the size of the spacer 18 differs from product to product, the first and second spacers 15 and 17, which are relatively rotated by the first and second threaded portions 14 and 16, The spacing between the bearings 12 and 13 mounted on the bearings 10 and 11 can be easily adjusted.

Since the display portion 25 consisting of the scale for measurement (a scale of 1/100 mm in one example, for example) is marked on the flange 24 of the above-described first spacer 15 at an equal interval in the circumferential direction , The spacing between the bearings (12, 13) mounted on the seating portions (10, 11) of the wheels mounted on the left and right sides of the inline skates (three or four wheels on the left and right sides of the frame, Can be kept the same.

(12, 13) mounted on the left and right wheels (three to four wheels mounted) of the inline skate, respectively, even when the hub is contracted due to temperature or a load due to the user's weight is applied to the hub Can be maintained at the same interval. In particular, in the case of an athlete with an inline skate, the loss of power can be minimized and the record can be updated.

Referring to FIGS. 1 and 6, the inline skate wheel according to another embodiment disclosed in the present specification may include:

1. An inline skate wheel in which a wheel is rotatably mounted on an axle fixed to a channel-shaped frame, and a bearing is mounted on a seat portion formed at an inner periphery of a hub of the wheel,

The first screw portion 14 is provided on the inner periphery of the inner ring 12a and the outer ring 12b and the first bearing portion 13b of the inner ring 12b, And a second screw portion 16 corresponding to the first screw portion 14 is formed on the outer periphery of the first spacer 15 so as to be rotatable relative to the first spacer 15, And a second screw portion 16 corresponding to the first screw portion 14 is formed on the outer periphery of the first screw portion 14 so as to be rotatable relative to the first spacer 15 and to be symmetrical to the second spacer 17, And a spacer (spacer) 18 composed of a spacer 27.

At this time, the first spacer 15 formed on the inner peripheral edge of the first screw portion 14 and the second screw portion 16 corresponding to the first screw portion 14 are formed and the first spacer 15 The configuration excluding the spacing spacer 18 composed of the second spacer 17 and the third spacer 27 rotatably screwed to the first screw portion 14 is the same as that of the inline The detailed description of these components will be omitted, and the same reference numerals will be used for the duplicated components.

It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as disclosed in the following claims As will be understood by those skilled in the art.

10, 11; Seat portion
12,13; bearing
14; The first threaded portion
15; The first spacer
16; The second threaded portion
17; The second spacer
18; Spacing spacer
19,20; Boss part
21, 22; Gap adjusting hole
23; tool
24; flange
25; Display portion
26; Silicon layer
27; The third spacer
28; Herb

Claims (6)

1. An inline skate wheel in which a wheel is rotatably mounted on an axle fixed to a channel-shaped frame, and a bearing is mounted on a seat portion formed at an inner periphery of a hub of the wheel,
A first spacer having a first threaded portion formed therein for variably controlling an interval between both bearings mounted on the seating portion, and a second threaded portion corresponding to the first threaded portion, the first spacer being relatively rotatable with respect to the first spacer And a spacing spacer made of a second spacer to be coupled,
The first spacer or the second spacer may be rotated clockwise or counterclockwise by an arbitrary tool which is formed in the boss portion of the first and second spacers in a radial direction and which is detachably coupled to the gap adjusting hole. And the distance between the bearings mounted on the seat portion can be adjusted. delete delete delete The method according to claim 1,
And a silicon layer formed on a side surface of at least one of the first and second bosses of the first and second spacers to closely contact the inner ring of the bearing and compensating for the gap between the bearing and the gap adjusting spacer according to a change in temperature And the inline skate wheel. delete

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