Roller skate wheel carrier with variable roller layout

Abstract

The roller skate wheel carrier comprises a support, at least four rollers and at least four short shafts, the support comprises a left side plate, a right side plate and a top plate connecting the upper portion of the left side plate and the upper portion of the right side plate, and at least four assembling shaft hole positions are sequentially arranged on the support from front to back. Each set of shaft hole positions comprises a left side through hole formed in the left side plate and a right side through hole formed in the right side plate, each short shaft is detachably installed at the corresponding set of rotating shaft hole positions, each short shaft is detachably sleeved with the corresponding idler wheel, and all the idler wheels are arranged between the left side plate and the right side plate in a row. And the device further comprises at least two long shafts which can be detachably mounted at the shaft mounting hole positions. According to the product disclosed by the utility model, the rollers can be arranged in a single-row layout, a double-row layout or a cross-shaped layout according to requirements, and the whole structure is simple and compact, and the layout is reasonable.

Description

Technical Field

[0001] The utility model relates to the technical field of roller skates, in particular to a roller skate wheel frame with a variable roller layout. Background Art

[0002] Nowadays, roller skates are becoming more and more popular among young people. There are many single-row roller skates and double-row roller skates on the market, as well as single-row and double-row roller skates that can be converted into each other. Some people like to skate one type of roller skates, while others like to skate multiple types of roller skates.

[0003] At present, the overall structure of the roller skates on the market that can be converted between single-row and double-row is relatively complex. For example, one of them is a structure in which four mounting seats for mounting the rollers in a single row and another four mounting seats for mounting the rollers in a double row are provided on the wheel frame of the roller skates. In this way, since there are as many as eight mounting seats for mounting the wheels, the overall structure of the wheel frame of the roller skates is very complex and bulky. Utility Model Content

[0004] In view of this, the purpose of the utility model is to provide a roller skate wheel frame with a simple and compact structure, a reasonable layout, and a variable roller layout.

[0005] The technical solution adopted by the utility model to solve its technical problems is:

[0006] A roller skate wheel frame with a variable roller layout comprises a bracket, at least four rollers, and at least four short axles, the bracket comprises a left side plate, a right side plate, and a top plate connecting the upper part of the left side plate and the upper part of the right side plate, at least four assembly axle holes are arranged on the bracket from front to back, each assembly axle hole position comprises a left through hole arranged on the left side plate and a right through hole arranged on the right side plate, each short axle is detachably installed at a group of rotating shaft holes, each roller is detachably mounted on a short axle, all the rollers are arranged in a row between the left side plate and the right side plate, and at least two long axles that can be detachably installed at the axle holes are also included, after at least two rollers and at least two short axles are removed from the bracket, the long axle is installed at the corresponding axle holes and the two ends of the long axle extend out from the left and right sides of the bracket, so that the removed rollers can be installed at the two ends of the long axle.

[0007] In a preferred embodiment of the present invention, a bearing is provided in the middle of the roller, and both the short shaft and the long shaft can be inserted into the inner ring of the bearing and have an interference fit with the inner ring.

[0008] In a preferred embodiment of the present invention, when the short shaft is installed at the corresponding rotating shaft hole, one end of the short shaft has an interference fit with the inner wall of the left through hole, and the other end of the short shaft has an interference fit with the inner wall of the right through hole.

[0009] In a preferred embodiment of the present invention, the left through hole and the right through hole are both polygonal holes, the short axis is a polygonal column, and the two ends of the short axis are respectively inserted into the left through hole and the right through hole to limit the rotation of the short axis relative to the bracket.

[0010] In a preferred solution of the utility model, first screw holes are provided at both ends of the short shaft, and screws are installed at the first screw holes to prevent the short shaft from detaching from the bracket.

[0011] In a preferred embodiment of the present invention, second screw holes capable of cooperating with the screws are provided at both ends of the long shaft, and when the roller is installed at the end of the long shaft, the screws can be installed in the second screw holes to limit the roller from detaching from the long shaft.

[0012] In a preferred embodiment of the present invention, at least two shaft sleeves that can be clamped between the left side plate and the right side plate are further included, and the shaft sleeves are provided with axial holes for the long shaft to pass through.

[0013] The beneficial effect of the utility model is that the product of the utility model can arrange the rollers into a single-row layout, a double-row layout or a cross-shaped layout according to needs. In all layouts, the long axis and the short axis can share the same shaft mounting hole position, and there is no need to add other mounting structures on the bracket. The overall structure is simple and compact, and the layout is reasonable. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional diagram of the utility model when the rollers are arranged in a single row;

[0015] Figure 2 It is an exploded view of the utility model when the rollers are arranged in a single row;

[0016] Figure 3 It is a bottom view of the utility model when the rollers are arranged in a single row;

[0017] Figure 4 It is a three-dimensional diagram of the utility model when the rollers are arranged in a cross shape;

[0018] Figure 5 It is an exploded view of the utility model when the rollers are arranged in a cross shape;

[0019] Figure 6 It is a bottom view of the utility model when the rollers are arranged in a cross shape;

[0020] Figure 7 It is a three-dimensional diagram of the utility model when the rollers are arranged in double rows;

[0021] Figure 8 It is an exploded view of the utility model when the rollers are arranged in double rows. DETAILED DESCRIPTION

[0022] The technical solution of the utility model will be clearly and completely described below in conjunction with the accompanying drawings.

[0023] It should be noted that all directional indications in the present invention (such as up, down, left, right, front, back...) are only used to explain the relative position relationship, movement status, etc. between the components under a certain posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly. In addition, the descriptions of "preferred", "sub-preferred", etc. in the present invention are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "preferred" or "sub-preferred" may explicitly or implicitly include at least one such feature.

[0024] Reference Figures 1 to 8 The utility model proposes a roller skate wheel frame with a variable roller layout, comprising a bracket 1, at least four rollers 2, at least four short shafts 3, and at least two long shafts 4. The bracket 1 comprises a left side plate 11, a right side plate 12, and a top plate 13 connecting the upper part of the left side plate 11 and the upper part of the right side plate 12. The left side plate 11, the right side plate 12 and the top plate 13 are integrally bent or integrally cast. At least four assembly shaft holes are sequentially arranged on the bracket 1 from front to back, and each assembly shaft hole comprises a left through hole 111 arranged on the left side plate 11 and a right through hole 121 arranged on the right side plate 12.

[0025] Reference Figures 1 to 3 The most basic layout of the utility model is a straight layout, in which each short shaft 3 is detachably mounted at a set of rotating shaft holes, each roller 2 is detachably mounted on a short shaft 3, and all rollers 2 are arranged in a row between the left plate 11 and the right plate 12. A bearing 21 is arranged in the middle of the roller 2, the outer ring of the bearing 21 is fixed to the roller 2, and the short shaft 3 passes through the inner ring of the bearing 21 and is interference fit with the inner ring.

[0026] The short shaft 3 has the following two installation methods: first, when the short shaft 3 is installed at the corresponding rotating shaft hole position, one end of the short shaft 3 is interference fit with the inner wall of the left through hole 111, and the other end of the short shaft 3 is interference fit with the inner wall of the right through hole 121. Second, the left through hole 111 and the right through hole 121 are both polygonal holes, such as square holes, hexagonal holes, pentagonal holes, etc.; the short shaft 3 has a corresponding multi-prism shape, such as a square prism, hexagonal prism, pentagonal prism, etc., and the two ends of the short shaft 3 are respectively inserted into the left through hole 111 and the right through hole 121 to limit the rotation of the short shaft 3 relative to the bracket 1.

[0027] In order to improve the stability of component installation, a first screw hole 31 can be set at both ends of the short shaft 3, and a second screw hole 41 can be set at both ends of the long shaft 4. When the short shaft 3 is installed on the bracket 1, a screw 5 is installed at the first screw hole 31 to prevent the short shaft 3 from detaching from the bracket 1.

[0028] The number of rollers 2 can be 4, 5 or 6, and the number of short shafts 3 is the same as the number of rollers 2; when the number of rollers 2 is 4 or 5, the number of long shafts 4 is 2, and when the number of rollers 2 is 6, the number of long shafts 4 is 3.

[0029] Reference Figures 4 to 6 In a preferred embodiment of the present invention, the number of rollers 2 and short shafts 3 is 4, and the number of long shafts 4 is 2. The method of transforming it into a cross-shaped layout is to first remove the screws 5 on the two short shafts 3 in the middle position, and then remove the two short shafts 3 and two rollers 2 in the middle position, and then take a long shaft 4, pass it through the second left through hole 111 and the second right through hole 121, so that the two ends of the long shaft 4 extend from the left and right sides of the bracket 1, and then install the two removed rollers 2 at the two ends of the long shaft 4 respectively, so that the two ends of the long shaft 4 are inserted into the inner ring of the bearing 21 on the roller 2 and have an interference fit with the inner ring. Finally, install the two removed screws 5 at the second screw hole 41 to prevent the roller 2 from detaching from the long shaft 4. The total number of screws 5 is at least twice that of the short shaft 3. In the above embodiment, the total number of screws 5 is 8, 9 or 10.

[0030] Reference Figures 7 and 8 The method of transforming the above-mentioned product from a straight-row layout to a double-row layout is to first remove the screws 5 on all the short shafts 3, then remove all the short shafts 3 and rollers 2, then take two long shafts 4, pass one through the first left through hole 111 and the first right through hole 121, and the other through the first left through hole 111 and the first right through hole 121; make the two ends of the long shaft 4 extend from the left and right sides of the bracket 1, and then install the four removed rollers 2 on the two ends of the two long shafts 4 respectively, so that the two ends of the long shaft 4 are inserted into the inner ring of the bearing 21 on the roller 2 and have an interference fit with the inner ring. Finally, install the four removed screws 5 at the corresponding second screw holes 41 to prevent the roller 2 from detaching from the long shaft 4.

[0031] Furthermore, it also includes at least two sleeves 6 that can be clamped between the left plate 11 and the right plate 12, and the sleeves 6 are provided with axial holes 61 for the long shaft 4 to pass through. When the product adopts a double-row layout or a cross-shaped layout, the sleeves 6 are all sleeved in the middle of the corresponding long shaft 4.

[0032] In summary, the product of the utility model can arrange the rollers 2 in a single row, a double row or a cross layout according to needs. In all layouts, the long axis 4 and the short axis 3 can share the same shaft mounting hole position, and there is no need to add other mounting structures to the bracket 1. The overall structure is simple and compact, and the layout is reasonable.

[0033] The above are only preferred embodiments of the present invention, and are not intended to limit the patent scope of the present invention. All equivalent structural changes made using the contents of the present invention specification and drawings under the utility model concept, or directly or indirectly applied in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A roller skate wheel frame with a variable roller layout, characterized in that: The invention comprises a bracket (1), at least four rollers (2), and at least four short shafts (3), wherein the bracket (1) comprises a left side plate (11), a right side plate (12), and a top plate (13) connecting the upper part of the left side plate (11) and the upper part of the right side plate (12), and at least four assembly shaft holes are arranged in sequence from front to back on the bracket (1), each assembly shaft hole comprises a left through hole (111) arranged on the left side plate (11) and a right through hole (121) arranged on the right side plate (12), and each short shaft (3) is detachably mounted on the bracket (1). At a group of rotating shaft holes, each roller (2) is detachably mounted on a short shaft (3), all the rollers (2) are arranged in a row between a left plate (11) and a right plate (12), and at least two long shafts (4) are detachably mounted at the shaft mounting holes. After at least two rollers (2) and at least two short shafts (3) are removed from the bracket (1), the long shaft (4) is mounted at the corresponding shaft mounting holes and the two ends of the long shaft (4) extend from the left and right sides of the bracket (1), so that the removed rollers (2) can be mounted on the two ends of the long shaft (4).

2. The roller skate wheel frame with variable roller layout according to claim 1, characterized in that: A bearing (21) is provided in the middle of the roller (2), and both the short shaft (3) and the long shaft (4) can be inserted into the inner ring of the bearing (21) and have an interference fit with the inner ring.

3. The roller skate wheel frame with variable roller layout according to claim 1, characterized in that: When the short shaft (3) is installed at the corresponding rotating shaft hole position, one end of the short shaft (3) is interference fit with the inner wall of the left through hole (111), and the other end of the short shaft (3) is interference fit with the inner wall of the right through hole (121).

4. The roller skate wheel frame with variable roller layout according to claim 1, characterized in that: The left through hole (111) and the right through hole (121) are both polygonal holes, the short shaft (3) is in the shape of a polygonal column, and the two ends of the short shaft (3) are respectively inserted into the left through hole (111) and the right through hole (121) to limit the rotation of the short shaft (3) relative to the bracket (1).

5. A roller skate wheel frame with a variable roller layout according to claim 3 or 4, characterized in that: Both ends of the short shaft (3) are provided with first screw holes (31), and screws (5) are installed at the first screw holes (31) to prevent the short shaft (3) from detaching from the bracket (1).

6. The roller skate wheel frame with variable roller layout according to claim 5, characterized in that: The two ends of the long shaft (4) are provided with second screw holes (41) capable of cooperating with the screw (5); when the roller (2) is mounted on the end of the long shaft (4), the screw (5) can be mounted in the second screw hole (41) to prevent the roller (2) from detaching from the long shaft (4).

7. The roller skate wheel frame with variable roller layout according to claim 1, characterized in that: It also comprises at least two shaft sleeves (6) which can be clamped between the left side plate (11) and the right side plate (12), and the shaft sleeves (6) are provided with axial holes (61) through which the long shaft (4) can pass.

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