Multipurpose roller skate conversion device

Abstract

The utility model discloses a multi-purpose roller skate switching device, relates to the technical field of roller skates, and comprises a knife rest and a switching sleeve, the knife rest comprises two side plates which are vertically and symmetrically arranged, a top mounting plate is transversely arranged above the side plates, the front and rear ends of the side plates are conical, and the switching sleeve is sleeved on the knife rest. Two first nail penetrating holes which are adjacent in the inclined direction are formed, 8-shaped counterbores which are concentric with the two adjacent first nail penetrating holes are formed in the inner sides of the two adjacent first nail penetrating holes, the conversion sleeve is provided with an 8-shaped base, and the conversion sleeve is installed in the 8-shaped counterbores through the base; a through hole with the same hole diameter as the nail penetrating hole is formed in a base on one side of the conversion sleeve, and a cylindrical plug with the same size as the nail penetrating hole is arranged on the reverse side of the base on one side, away from the sleeve, of the conversion sleeve. According to the roller skate, conversion from three wheels to multiple wheels can be achieved so as to adapt to different use scenes, and the use cost of the roller skate is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of roller skates, and particularly relates to a multipurpose roller skate conversion device. BACKGROUND

[0002] Roller skates are mainly divided into upper shoes and lower shoes; the upper shoe is the part above the knife holder, that is, the shoe body composed of a shoe shell, an inner liner and the like; the lower shoe mainly comprises a knife holder and a roller, the knife holder is a main force bearing part of the roller skate and is used for fixing the position of the roller, and the roller is rotatably arranged in the U-shaped knife holder; for a single-row roller skate, three to five rollers are usually arranged in one knife holder, and straight-line propulsion distance is completed by the rotation of the rollers, and currently, the single-row roller skate is the mainstream in the market.

[0003] The roller skate with three rollers is usually called "big three-wheel", the center of gravity of which is low, and it is suitable for short-distance fast start, but the acceleration is slow, and it is suitable for long-distance street brushing; and the roller skate with multiple rollers, such as the roller skate with four rollers, is usually called "small four-wheel", the wheel diameter of the rollers of which is smaller than that of the big three-wheel, the roller skate has a longer support, better curve stability and stronger grip, but the overall weight is also larger, and it is suitable for occasions requiring high curve stability and grip, such as frequent turning competitions. Since the uses and wearing effects of the two kinds of roller skates are different, consumers can only purchase different knife holders and rollers again when they want to change the use scene after purchasing the roller skates, and the price of a pair of carbon fiber knife holders is thousands of yuan, which undoubtedly increases the use cost of consumers.

[0004] Therefore, how to provide a multipurpose roller skate conversion device capable of realizing three-wheel to multi-wheel conversion becomes a problem that needs to be considered by the person skilled in the art. UTILITY MODEL CONTENTS

[0005] Therefore, the utility model provides a multipurpose roller skate conversion device, and the utility model can realize three-wheel to multi-wheel switching through one pair of knife holders by arranging the multi-hole knife holder and the conversion sleeve, so that different use scenes of consumers are met.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] A multipurpose roller skate conversion device, comprising a holder and a conversion sleeve, the holder comprises two vertically symmetrical side plates, a top mounting plate is transversely arranged above the side plates, the front and rear ends of the side plates are tapered, and two obliquely adjacent first nail holes are arranged, and an 8-shaped counterbore hole is arranged on the inner side of the two adjacent first nail holes, the conversion sleeve is provided with an 8-shaped base, the conversion sleeve is installed in the 8-shaped counterbore hole through the base, a through hole with the same diameter as the nail hole is arranged on the base of one side of the conversion sleeve, and a cylindrical plug with the same size as the nail hole is arranged on the opposite side of the base away from the one side of the conversion sleeve.

[0008] Further, the cylindrical plug has the same depth as the first nail hole.

[0009] Further, a plurality of second nail holes are arranged on the bottom of the side plate, and a sleeve is arranged on the inner side of the second nail hole.

[0010] Further, the first nail hole and the second nail hole have the same diameter.

[0011] Further, the top of the side plate is provided with a protrusion, and the top mounting plate is arranged at the protrusion on the two sides of the side plate.

[0012] Further, the surface of the top mounting plate of the holder is provided with an anti-skid pattern.

[0013] Further, the middle part of the top mounting plate is provided with a long through hole parallel to the direction of the holder.

[0014] Further, the upper surface and the lower surface of the long through hole are provided with a counterbore hole.

[0015] Further, the counterbore hole on the lower surface of the top mounting plate is provided with a scale line for bolt adjustment.

[0016] The utility model discloses the beneficial effects of the utility model are as follows: through the setting of the multi-hole holder and the conversion sleeve, the installation mode of the conversion sleeve can be switched, the installation position of the roller pin can be changed, so that the holder can install rollers of different sizes, the use of roller skates in different scenes can be switched, and the use cost of the roller skates is reduced. ACCURACY OF DRAWINGS

[0017] Figure 1 It is a schematic view of the holder and the conversion sleeve of the utility model;

[0018] Figure 2 It is Figure 1 It is a partial enlarged view of A in the middle;

[0019] Figure 3 It is a bottom view of the conversion device of the utility model;

[0020] Figure 4 It is the front view schematic drawing of the conversion sleeve of the utility model;

[0021] Figure 5 It is the back view schematic drawing of the conversion sleeve of the utility model;

[0022] Figure 6 It is the structure schematic drawing of the knife rest of the utility model;

[0023] Figure 7 It is Figure 6 The partial enlarged view of B in the middle.

[0024] In the drawing:

[0025] 1. side plate; 2. top mounting plate; 3. first nail hole; 4. 8-shaped counterbore; 5. second nail hole; 6. 8-shaped base; 7. cylindrical plug; 8. anti-skid line; 9. scale line; 10. long through hole. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model.

[0027] In the description of the utility model, it should be explained that the directions or position relations indicated by the terms "center", "upper", "lower", "left", "right", "horizontal", "inner", "outer", "one side" and the like are the directions or position relations shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and are not intended to indicate or imply that the devices or elements indicated must have a particular direction, be constructed and operated in a particular direction, and therefore cannot be understood as a limitation on the utility model; the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance, in addition, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or circuit connection; it can be directly connected, or indirectly connected through an intermediate medium, or the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0028] Example 1

[0029] As Figures 1-7As shown, the embodiment discloses a multipurpose roller skate conversion device, which can realize mutual conversion of large three-wheeled and small five-wheeled roller skates, so that the roller skate can have rotation flexibility and speed stability. The conversion device comprises a holder and a conversion sleeve, the holder comprises two vertically symmetrical side plates 1, the top of the side plate 1 is provided with a protrusion on both sides, the top of the side plate 1 is provided with a top mounting plate 2 transversely, the front and rear ends of the side plate 1 are tapered, and two adjacent first nail holes 3 are arranged, the first nail hole 3 is distributed along the tapered slope, the inner side of the two adjacent first nail holes 3 is provided with a 8-shaped counterbore 4 concentric with the first nail hole 3, the bottom of the side plate 1 in the embodiment is of a certain micro-radian, the bottom of the side plate 1 is provided with three second nail holes 5 at equal intervals, the first nail hole 3 and the second nail hole 5 have the same hole diameter, and the inner side of the second nail hole 5 is provided with a sleeve.

[0030] The conversion sleeve in the embodiment is provided with a 8-shaped base 6, the conversion sleeve is installed in the 8-shaped counterbore 4 through the base, specifically, the base on one side of the conversion sleeve is provided with a through hole with the same diameter as the nail hole, the opposite side of the base away from the sleeve of the conversion sleeve is provided with a cylindrical plug 7 with the same size as the nail hole, and the cylindrical plug 7 has the same depth as the first nail hole 3.

[0031] When the roller skate needs to be used for daily street brushing, a large three-wheeled roller skate with more flexible rotation and lighter weight can be selected, at this time, the sleeve side of the conversion sleeve is installed in the first nail hole 3 at the higher position at both ends of the side plate 1, the cylindrical plug 7 is inserted into the first nail hole 3 at the lower position, and two end rollers are installed, the higher ground clearance enables the holder to install larger diameter rollers, the third roller is installed in the second nail hole 5 at the middle of the holder, due to the form that the top of the side plate 1 is provided with protrusions on both sides and is recessed in the middle, the middle part has a larger installation space, so that the installation of the large-diameter roller can be realized, and the cylindrical plug 7 makes the sleeve more fixed.

[0032] When the roller skate is used for roller skating competition, a small five-wheeled roller skate with better speed stability can be selected, at this time, the sleeve side of the conversion sleeve is installed in the first nail hole 3 at the lower position at both ends of the side plate 1, the cylindrical plug 7 is inserted into the first nail hole 3 at the higher position, and the rollers are installed in the three second nail holes 5 in the middle, at this time, the pin heights of the five rollers are approximately the same, which greatly improves the stability of sliding.

[0033] As a preferred embodiment of the utility model, the middle part of the top mounting plate 2 is provided with a long through hole 10 parallel to the direction of the holder, the upper surface and the lower surface of the long through hole 10 are provided with counterbores, the counterbores can well accommodate the top of the bolt for fixing the holder to the upper shoe, avoiding friction between the bolt and the roller, and the long through hole 10 can fine-tune the front and rear gravity centers of the holder when the holder is installed, and can prevent the holder from deviating when subjected to lateral impact.

[0034] As the preferred embodiment of the utility model, the top mounting plate 2 surface of the knife rest is provided with anti-skid lines 8, which can increase the friction between the knife rest and the sole.

[0035] As the preferred embodiment of the utility model, the countersunk hole of the lower surface of the top mounting plate 2 is provided with scale lines 9 for bolt adjustment, which facilitates intuitive viewing of the adjustment position and keeps the knife rest gravity centers of the two feet consistent.

[0036] The above describes the specific embodiments of the utility model in combination with the drawings, but is not a limitation on the protection scope of the utility model, and those skilled in the art should understand that various modifications or deformations made by those skilled in the art on the basis of the technical solutions of the utility model without creative labor are still within the protection scope of the utility model.

Claims

1. A multi-purpose roller skate conversion device, characterized by, The utility model relates to a knife rest and conversion sleeve, the knife rest includes two side plates arranged vertically symmetrically, the top of the side plate is transversely provided with a top mounting plate, the front and rear ends of the side plate are tapered, and two first nail holes are arranged obliquely adjacent to each other, the inner side of the two adjacent first nail holes is provided with an 8-shaped countersunk hole concentric with the first nail hole, the conversion sleeve is provided with an 8-shaped base, the conversion sleeve is mounted in the 8-shaped countersunk hole through the base, the base on one side of the conversion sleeve is provided with a through hole with the same diameter as the first nail hole, and the opposite side of the base away from the one side of the conversion sleeve is provided with a cylindrical plug with the same size as the first nail hole.

2. The multi-purpose roller skate conversion device of claim 1, wherein, The cylindrical plug has the same depth as the first nail hole.

3. The multi-purpose roller skate conversion device of claim 1, wherein, The bottom of the side plate is provided with a plurality of second nail holes, and the inner side of each second nail hole is provided with a sleeve.

4. The multi-purpose roller skate conversion device of claim 3, wherein, The first nail hole and the second nail hole have the same diameter.

5. The multi-purpose roller skate conversion device of claim 1, wherein, The top of the side plate is provided with a protrusion on both sides, and the top mounting plate is arranged at the protrusion on both sides of the side plate.

6. The multi-purpose roller skate conversion device of claim 1, wherein, The surface of the top mounting plate of the knife rest is provided with an anti-skid pattern.

7. The multi-purpose roller skate conversion device of claim 1, wherein, The middle of the top mounting plate is provided with a long through hole parallel to the direction of the knife rest.

8. A multi-purpose roller skate conversion device according to claim 7, wherein, The upper surface and the lower surface of the long through hole are both provided with a countersunk hole.

9. The multi-purpose roller skate conversion device of claim 8, wherein, The countersunk hole on the lower surface of the top mounting plate is provided with a scale line for bolt adjustment.

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