Roller skate with adjustable size

Abstract

The utility model discloses a size-adjustable roller skate, which comprises a roller skate rear end shoe body and a roller skate front end shoe body, a wheel groove and two rotating grooves are respectively arranged in the roller skate rear end shoe body, a gear is rotatably arranged in the wheel groove, rotating discs are rotatably arranged in the two rotating grooves, a rotating rod is fixedly arranged on the gear, and the rotating disc is fixedly arranged on the rotating rod. According to the roller skate, the shoe body at the front end of the roller skate is adjusted, so that the rack moves leftwards or rightwards in the mounting groove, and then the gear, the rotating rod and the two rotating discs are driven to rotate; the size of the roller skate can be accurately adjusted, the applicability of the roller skate is improved, and when the size of the roller skate is adjusted to be suitable for the foot size of a user, two positioning columns are inserted into corresponding positioning holes in one sides of two rotating discs after rotation respectively through cooperation of an elastic connecting mechanism.

Description

Technical Field

[0001] The utility model relates to the technical field of roller skates, in particular to a pair of roller skates with adjustable size. Background Art

[0002] Roller skates can be used as toys and fitness equipment, and are increasingly popular among people of all ages. Traditional roller skates have fixed sizes, and people need to buy or rent them according to their foot shape. Otherwise, the shoes will be too big or too small, which will cause discomfort to the feet when wearing them, making it very inconvenient during exercise. Therefore, roller skates with retractable toes have emerged on the market.

[0003] In the prior art, there is a size-adjustable roller skate with application number: 202320359172.2. When adjusting, the adjustment plate is pressed downward, the plug-in block is disengaged from the longitudinal connecting groove, and the longitudinal connecting groove connected to it is reselected. However, in this method of adjusting the size of the roller skates, the size of the adjustment is affected by the distance between two adjacent longitudinal connecting grooves, and the accuracy of adjusting the size of the roller skates is low, which reduces the applicability of the roller skates. Therefore, we propose a size-adjustable roller skate to solve the above problems. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a size-adjustable roller skate to solve the above problems.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A size-adjustable roller skate, comprising a rear shoe body and a front shoe body, wherein a wheel groove and two rotation grooves are respectively provided in the rear shoe body of the roller skate, a gear is rotatably installed in the wheel groove, a rotating disk is rotatably installed in the two rotating grooves, a rotating rod is fixedly installed on the gear, two ends of the rotating rod are respectively rotatably extended into the corresponding rotating groove and are fixedly connected to the corresponding rotating disk, a plurality of positioning holes are respectively provided on one side of the rotating disk, a mounting groove is provided on the top side of the rear shoe body of the roller skate, a gear is movably installed in the mounting groove The rack is meshed with the gear, and the rack is fixedly connected to the front end of the shoe body of the roller skates. Side grooves are provided on both sides of the rear end of the shoe body of the roller skates, and side panels are movably inserted in the two side grooves. A positioning column is fixedly installed on one side of the side panel, and one end of the positioning column movably extends to the corresponding rotating groove and is inserted in the corresponding positioning hole. A movable groove is provided on one side wall of the rear end of the shoe body of the roller skates, and two elastic connection mechanisms for the corresponding side panels are arranged in the movable groove. A sliding mechanism is arranged on the bottom side of the rear end of the shoe body of the roller skates.

[0007] Preferably, the front shoe body of the roller skates is movably sleeved on the rear shoe body of the roller skates, and two straps are arranged between the rear shoe body of the roller skates and the front shoe body of the roller skates.

[0008] Preferably, the wheel groove is located between two rotating grooves, and the two rotating grooves are symmetrically arranged.

[0009] Preferably, a plurality of positioning holes are distributed in a circular array, and the positioning holes are located on the outer side of the turntable. When two positioning posts are respectively inserted into the corresponding positioning holes on one side of the two rotating turntables, the angles of the two turntables are fixed.

[0010] Preferably, the mounting groove is communicated with the wheel groove, and the cross-section of the mounting groove is arranged in a cross-shaped structure to facilitate the sliding of the rack in the mounting groove.

[0011] Preferably, the elastic connection mechanism includes a spring and a connecting piece, the connecting piece is movably installed in a movable groove, one end of the connecting piece is fixedly connected to the corresponding side plate, one end of the spring is fixedly installed on one side of the connecting piece, and the other end of the spring is fixedly installed on one side inner wall of the movable groove, and the two side plates can be movably adjusted through the two elastic connection mechanisms.

[0012] Preferably, the two connecting members are symmetrically arranged, and the cross-section of the connecting members is arranged in an L-shaped structure.

[0013] Preferably, the sliding mechanism comprises a wheel frame and a pulley, two wheel frames are fixedly mounted on the bottom side of the rear end shoe body of the roller skate, and a plurality of pulleys are rotatably mounted between the two wheel frames.

[0014] The beneficial effects of the utility model are as follows: the size-adjustable roller skates can adjust the front end of the shoe body of the roller skates to make the rack move to the left or right in the installation groove, thereby driving the gear, the rotating rod and the two turntables to rotate, so as to achieve precise adjustment of the size of the roller skates and improve the applicability of the roller skates. When the size of the roller skates is adjusted to a suitable foot size of the user, the two positioning columns are respectively inserted into the corresponding positioning holes on one side of the two rotating rear turntables through the cooperation of the elastic connection mechanism, so as to achieve angle fixation of the two turntables, the rotating rod and the gear, thereby achieving position fixation of the front end of the shoe body of the roller skates, and the operation is very simple. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model in a three-dimensional partial cross-section;

[0016] Figure 2 For this utility model Figure 1 Schematic diagram of the structure of part A;

[0017] Figure 3It is a structural schematic diagram of a partial cross-section of the installation groove of the utility model;

[0018] Figure 4 For this utility model Figure 3 The structural diagram of part B;

[0019] Figure 5 It is a structural schematic diagram of a partial cross-section of the turntable of the utility model.

[0020] In the figure: 1. rear end of roller skates; 2. front end of roller skates; 3. wheel groove; 4. rotating groove; 5. gear; 6. rotating rod; 7. turntable; 8. positioning hole; 9. mounting groove; 10. rack; 11. side groove; 12. side plate; 13. positioning column; 14. movable groove; 15. spring; 16. connecting piece; 17. wheel frame; 18. pulley. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] Example: Refer to Figure 1-5A size-adjustable roller skate, comprising a rear shoe body 1 and a front shoe body 2, wherein a wheel groove 3 and two rotation grooves 4 are respectively provided in the rear shoe body 1 of the roller skate, a gear 5 is rotatably installed in the wheel groove 3, a turntable 7 is rotatably installed in the two turntables 4, a rotating rod 6 is fixedly installed on the gear 5, two ends of the rotating rod 6 are respectively rotatably extended into the corresponding turntable 4 and are fixedly connected with the corresponding turntable 7, a plurality of positioning holes 8 are respectively provided on one side of the turntable 7, a mounting groove 9 is provided on the top side of the rear shoe body 1 of the roller skate, a rack 10 is movably installed in the mounting groove 9, the rack 10 is meshed with the gear 5, and the rack 10 is fixedly connected with the front shoe body 2 of the roller skate, side grooves 11 are provided on both sides of the rear shoe body 1 of the roller skate, side plates 12 are movably inserted in the two side grooves 11, a positioning column 13 is fixedly installed on one side of the side plate 12, and one end of the positioning column 13 is movably The roller skates extend into the corresponding rotating groove 4 and are inserted into the corresponding positioning hole 8. A movable groove 14 is provided on one side wall of the rear end shoe body 1 of the roller skates. Two elastic connection mechanisms for corresponding side panels 12 are arranged in the movable groove 14. The elastic connection mechanism includes a spring 15 and a connecting piece 16. The connecting piece 16 is movably installed in the movable groove 14. One end of the connecting piece 16 is fixedly connected to the corresponding side panel 12. One end of the spring 15 is fixedly installed on one side of the connecting piece 16. The other end of the spring 15 is fixedly installed on one side inner wall of the movable groove 14. The two side panels 12 can be movably adjusted through the two elastic connection mechanisms. A sliding mechanism is provided on the bottom side of the rear end shoe body 1 of the roller skates. The sliding mechanism includes a wheel frame 17 and a pulley 18. Two wheel frames 17 are fixedly installed on the bottom side of the rear end shoe body 1 of the roller skates, and a plurality of pulleys 18 are rotatably installed between the two wheel frames 17.

[0023] Furthermore, the front shoe body 2 of the roller skates is movably sleeved on the rear shoe body 1 of the roller skates, and two straps are provided between the rear shoe body 1 of the roller skates and the front shoe body 2 of the roller skates.

[0024] Furthermore, the wheel groove 3 is located between the two rotating grooves 4, and the two rotating grooves 4 are symmetrically arranged.

[0025] Furthermore, a plurality of positioning holes 8 are distributed in a circular array, and the positioning holes 8 are located on the outer side of the turntable 7. When two positioning posts 13 are respectively inserted into the corresponding positioning holes 8 on one side of the two rotating turntables 7, the angles of the two turntables 7 are fixed.

[0026] Furthermore, the mounting groove 9 is connected to the wheel groove 3 , and the cross section of the mounting groove 9 is arranged in a cross-shaped structure, so that the rack 10 can slide in the mounting groove 9 easily.

[0027] Furthermore, the two connecting members 16 are symmetrically arranged, and the cross-section of the connecting member 16 is arranged in an L-shaped structure.

[0028] During use: when the user needs to adjust the size of the roller skates, the user holds the two connecting pieces 16 with two fingers respectively, and adjusts the two connecting pieces 16 to slide in the movable groove 14 and move away from each other, so that the two springs 15 are deformed and compressed by force, thereby driving the two side plates 12 to move away from each other and disengage from the corresponding side grooves 11, and at the same time driving the two positioning columns 13 to disengage from the corresponding rotating grooves 4, and then by adjusting the front end shoe body 2 of the roller skates outward, the rack 10 slides to the left in the installation groove 9, because the rack 10 is meshed with the gear 5, the gear 5, the rotating rod 6 and the two rotating disks 7 are driven to rotate, and when it is adjusted to a suitable foot size of the user, by loosening the two connecting pieces 16, under the elastic force of the two springs 15, the two positioning columns 13 are respectively inserted into the corresponding positioning holes 8 on one side of the two rotating rear rotating disks 7, thereby achieving the angle fixation of the two rotating disks 7, the rotating rod 6 and the gear 5, thereby achieving the position fixation of the front end shoe body 2 of the roller skates.

[0029] To summarize, by adjusting the front end shoe body 2 of the roller skates, the rack 10 is moved to the left or right in the mounting groove 9, thereby driving the gear 5, the rotating rod 6 and the two turntables 7 to rotate, thereby realizing precise adjustment of the size of the roller skates and improving the applicability of the roller skates. When adjusted to a suitable foot size of the user, the two positioning columns 13 are respectively inserted into the corresponding positioning holes 8 on one side of the two rotating rear turntables 7 through the cooperation of the elastic connection mechanism, thereby realizing the angle fixation of the two turntables 7, the rotating rod 6 and the gear 5, thereby realizing the position fixation of the front end shoe body 2 of the roller skates, and the operation is very simple.

[0030] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A size-adjustable roller skate, comprising a rear end shoe body (1) and a front end shoe body (2), characterized in that: A wheel groove (3) and two rotation grooves (4) are respectively provided in the rear end shoe body (1) of the roller skates, a gear (5) is rotatably installed in the wheel groove (3), and a rotating disk (7) is rotatably installed in the two rotating grooves (4), a rotating rod (6) is fixedly installed on the gear (5), and the two ends of the rotating rod (6) are respectively rotatably extended into the corresponding rotating grooves (4) and are fixedly connected to the corresponding rotating disks (7), and a plurality of positioning holes (8) are respectively provided on one side of the rotating disk (7), and a mounting groove (9) is provided on the top side of the rear end shoe body (1) of the roller skates, and a rack (10) is movably installed in the mounting groove (9), and the rack (10) is meshed with the gear (5). The rack (10) is fixedly connected to the front shoe body (2) of the roller skate, and side grooves (11) are provided on both sides of the rear shoe body (1) of the roller skate, and side panels (12) are movably inserted in the two side grooves (11). A positioning column (13) is fixedly installed on one side of the side panel (12), and one end of the positioning column (13) is movably extended into the corresponding rotation groove (4) and inserted into the corresponding positioning hole (8). A movable groove (14) is provided on one side wall of the rear shoe body (1) of the roller skate, and two elastic connection mechanisms for corresponding side panels (12) are arranged in the movable groove (14), and a sliding mechanism is arranged on the bottom side of the rear shoe body (1) of the roller skate.

2. The size-adjustable roller skates according to claim 1, characterized in that: The front shoe body (2) of the roller skates is movably sleeved on the rear shoe body (1) of the roller skates, and two binding straps are arranged between the rear shoe body (1) of the roller skates and the front shoe body (2) of the roller skates.

3. The size-adjustable roller skates according to claim 1, characterized in that: The wheel groove (3) is located between two rotating grooves (4), and the two rotating grooves (4) are symmetrically arranged.

4. The size-adjustable roller skates according to claim 1, characterized in that: A plurality of positioning holes (8) are distributed in a circular array, and the positioning holes (8) are located on an outer side of the rotating disk (7).

5. The size-adjustable roller skates according to claim 1, characterized in that: The installation groove (9) is communicated with the wheel groove (3), and the cross section of the installation groove (9) is arranged in a cross-shaped structure.

6. The size-adjustable roller skates according to claim 1, characterized in that: The elastic connection mechanism comprises a spring (15) and a connecting member (16), wherein the connecting member (16) is movably mounted in the movable groove (14), one end of the connecting member (16) is fixedly connected to the corresponding side plate (12), one end of the spring (15) is fixedly mounted on one side of the connecting member (16), and the other end of the spring (15) is fixedly mounted on an inner wall of one side of the movable groove (14).

7. The size-adjustable roller skates according to claim 6, characterized in that: The two connecting pieces (16) are symmetrically arranged, and the cross-section of the connecting piece (16) is arranged in an L-shaped structure.

8. The size-adjustable roller skates according to claim 1, characterized in that: The sliding mechanism comprises a wheel frame (17) and a pulley (18); two wheel frames (17) are fixedly mounted on the bottom side of the rear end shoe body (1) of the roller skate, and a plurality of pulleys (18) are rotatably mounted between the two wheel frames (17).

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