Ligament stretcher

Abstract

The utility model provides a ligament stretcher which comprises a driving motor, a first bevel gear, a second bevel gear, a second rotating shaft, a first rotating piece, a third rotating shaft and a second rotating piece, the driving motor is installed in a base, the first bevel gear is installed on the left side of the driving motor, and the second bevel gear is arranged on the left side of the first bevel gear. A second rotating shaft is rotatably arranged in the base, a first rotating piece is clamped on the annular side face of the second rotating shaft, a third rotating shaft is arranged on the right side of the second rotating shaft, and a second rotating piece is clamped on the annular side face of the third rotating shaft. The meshing radius is reasonably designed, the motor drives the bevel gear to drive the first rotating piece and the second rotating piece to rotate relatively, and therefore the ligament stretching purpose is achieved, operation is easy, and practicability is high.

Description

Technical Field

[0001] The utility model relates to a ligament stretcher, belonging to the technical field of ligament stretchers. Background Art

[0002] Sports are an important way for people to improve their physical fitness. Stretching the leg ligaments can enhance the body's flexibility. It is essential for athletes and people who learn dance and martial arts. Stretching the leg lines can make the legs longer and more symmetrical. It is also very helpful for the growth of children and the dredging of the tendons and bones of the elderly. In sports activities, the leg ligaments are generally stretched by leg pressing.

[0003] Chinese patent number CN209848234U discloses a ligament stretcher, which uses a first rotating handle to separate two pressure plates by a certain angle, and then adjusts the second rotating handle to perform extreme ligament stretching. However, the setting of the tooth radius in this design is not reasonable enough, which makes it more difficult to rotate the first rotating handle and the second rotating handle, and the friction between the screw and the gear structure is large, which is not convenient to use. Now there is an urgent need for a ligament stretcher to solve the above problems. Summary of the invention

[0004] In view of the shortcomings of the prior art, the purpose of the utility model is to provide a ligament stretcher to solve the problems raised in the above-mentioned background technology. The utility model has a reasonable structure, reasonably designs the meshing radius, and drives the first rotating part and the second rotating part to rotate relative to each other through a motor-driven bevel gear, thereby achieving the purpose of stretching the ligament. The operation is simple and the practicability is strong.

[0005] In order to achieve the above-mentioned purpose, the utility model is implemented through the following technical scheme: a ligament stretcher, including a base, a seat cushion, a backrest, a leg rack and an adjustment and stretching mechanism, the upper end surface of the base is bonded with a seat cushion, the rear end surface of the base is provided with a backrest, the front of the base is provided with a leg rack, and the base is provided with an adjustment and stretching mechanism inside the base, the adjustment and stretching mechanism includes a control panel, a drive motor, a first bevel gear, a second bevel gear, a second rotating shaft, a first rotating member, a third rotating shaft and a second rotating member, a control panel is installed on the right end surface of the base, a drive motor is installed inside the base, a first bevel gear is installed on the left side of the drive motor, a second bevel gear is provided on the left side of the first bevel gear, a second rotating shaft is rotatably provided inside the base, the first rotating member is clamped on the annular side surface of the second rotating shaft, a third rotating shaft is provided on the right side of the second rotating shaft, and a second rotating member is clamped on the annular side surface of the third rotating shaft.

[0006] Furthermore, a transverse support plate is arranged inside the base, a vertical support plate is arranged below the transverse support plate, the transverse support plate is connected to the vertical support plate in a T-shape, and the drive motor is installed on the right side of the vertical support plate.

[0007] Furthermore, a first rotating shaft is clamped inside the first bevel gear, a first bearing seat is clamped inside the vertical support plate, the first rotating shaft is rotatably connected to the vertical support plate via the first bearing seat, and the driving motor is connected to the first rotating shaft via a coupling.

[0008] Furthermore, a third bearing seat is mounted on the upper surface of the transverse support plate, and two groups of third bearing seats of equal specifications are provided. The third rotating shaft is rotatably connected to the transverse support plate and the inner wall of the base through the third bearing seat.

[0009] Furthermore, second bearing seats of equal specifications are provided at the upper and lower ends of the second rotating shaft, the second rotating shaft is rotatably connected to the inner wall of the base through the second bearing seats, the second bevel gear is clamped on the annular side surface of the second rotating shaft, and the second bevel gear is meshed with the first bevel gear.

[0010] Furthermore, a first spur gear is mounted on the annular side surface of the second rotating shaft, and a second spur gear is mounted on the annular side surface of the third rotating shaft, and the first spur gear and the second spur gear are meshed with each other.

[0011] Furthermore, a plurality of reinforcing ribs are welded at the upper left corner and the upper right corner of the inner wall of the base, and two groups of leg frames are provided with the same specifications. The two groups of leg frames are slidably sleeved on the outer sides of the first rotating member and the second rotating member.

[0012] Furthermore, a foot plate is welded to one end of the leg frame which is relatively far from the base, and a fixing belt is provided on one side of the foot plate which is relatively close to the base.

[0013] The beneficial effects of the utility model: the utility model is a ligament stretcher, because the utility model adds a first bevel gear, a second bevel gear, a second rotating shaft, a third rotating shaft, a first flat gear and a second flat gear, the driving motor drives the first bevel gear to rotate coaxially through the first rotating shaft, the rotation of the first bevel gear drives the second bevel gear to rotate in a counterclockwise direction, and drives the first rotating member to flip outward through the second rotating shaft, and at the same time the first flat gear rotates coaxially with the second rotating shaft, because the first flat gear is meshed with the second flat gear, the second flat gear drives the third rotating shaft to rotate in a clockwise direction, and drives the second rotating member to flip away from the first rotating member, so that the two sets of leg frames are opened outward, thereby stretching the ligaments of the user, the operation is simple, and the practicality is strong. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Other features, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments with reference to the following drawings:

[0015] Figure 1This is a schematic diagram of the structure of a ligament stretcher of the utility model;

[0016] Figure 2 It is a front cross-sectional view of a base in a ligament stretcher of the utility model;

[0017] Figure 3 This is a schematic cross-sectional structural diagram of a base in a ligament stretcher of the utility model;

[0018] Figure 4 It is a partial structural schematic diagram of an adjusting and stretching mechanism in a ligament stretcher of the utility model;

[0019] Figure 5 This is a schematic diagram of the structure of a second rotating member and a leg frame in a ligament stretcher of the utility model;

[0020] In the figure: 1-base, 11-horizontal support plate, 12-vertical support plate, 13-reinforcement rib, 14-through groove, 2-cushion, 3-backrest, 4-leg rack, 41-footboard, 42-fixing belt, 5-adjusting stretching mechanism, 51-control panel, 52-drive motor, 53-first bevel gear, 531-first rotating shaft, 532-first bearing seat, 54-second bevel gear, 55-second rotating shaft, 551-second bearing seat, 56-first flat gear, 57-first rotating member, 58-third rotating shaft, 581-third bearing seat, 59-second flat gear, 511-second rotating member. DETAILED DESCRIPTION

[0021] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0022] See also Figure 1-Figure 5 The utility model provides a technical solution: a ligament stretcher, including a base 1, a seat cushion 2, a backrest 3, a leg rack 4 and an adjustment and stretching mechanism 5. The seat cushion 2 is bonded to the upper end surface of the base 1, the backrest 3 is arranged on the rear end surface of the base 1, the leg rack 4 is arranged in front of the base 1, and the adjustment and stretching mechanism 5 is arranged inside the base 1.

[0023] The adjusting and stretching mechanism 5 includes a control panel 51, a driving motor 52, a first bevel gear 53, a second bevel gear 54, a second rotating shaft 55, a first rotating member 57, a third rotating shaft 58 and a second rotating member 511. The control panel 51 is installed on the right end face of the base 1, and the driving motor 52 is installed inside the base 1. The first bevel gear 53 is installed on the left side of the driving motor 52, and the second bevel gear 54 is arranged on the left side of the first bevel gear 53. The second rotating shaft 55 is rotatably arranged inside the base 1, and the first rotating member 57 is clamped on the annular side of the second rotating shaft 55. The third rotating shaft 58 is arranged on the right side of the second rotating shaft 55, and the second rotating member 511 is clamped on the annular side of the third rotating shaft 58. This design solves the problem that the original ligament stretcher is more laborious and inconvenient to use.

[0024] As the first embodiment of the utility model: a horizontal support plate 11 is arranged inside the base 1, a vertical support plate 12 is arranged below the horizontal support plate 11, the horizontal support plate 11 and the vertical support plate 12 are connected in a T shape, the drive motor 52 is installed on the right side of the vertical support plate 12, the first bevel gear 53 is internally clamped with a first rotating shaft 531, the vertical support plate 12 is internally clamped with a first bearing seat 532, the first rotating shaft 531 is rotatably connected to the vertical support plate 12 through the first bearing seat 532, the vertical support plate 12 cooperates with the first bearing seat 532 to fix the position of the first rotating shaft 531, the first rotating shaft 531 can drive the first bevel gear 53 to rotate coaxially, and the drive The driving motor 52 is connected to the first rotating shaft 531 through a coupling, and the driving motor 52 can drive the first rotating shaft 531 to rotate. The upper end surface of the horizontal support plate 11 is clamped with a third bearing seat 581, and the third bearing seat 581 is provided with two groups of equal specifications. The third rotating shaft 58 is rotatably connected with the horizontal support plate 11 and the inner wall of the base 1 through the third bearing seat 581. The horizontal support plate 11 cooperates with the third bearing seat 581 to fix the position of the third rotating shaft 58. The second rotating shaft 55 is evenly provided with second bearing seats 551 at the upper and lower ends of the second rotating shaft 55. The second rotating shaft 55 is rotatably connected with the inner wall of the base 1 through the second bearing seat 551. The second bearing seat 55 The second rotating shaft 55 can be fixed in position and the friction force during its rotation can be reduced. The second bevel gear 54 is mounted on the annular side of the second rotating shaft 55. The second rotating shaft 55 can rotate coaxially with the second bevel gear 54. The second bevel gear 54 is meshed with the first bevel gear 53. The rotation of the first bevel gear 53 can drive the second bevel gear 54 to rotate. The annular side of the second rotating shaft 55 is mounted with a first flat gear 56. The first flat gear 56 can rotate coaxially with the second rotating shaft 55. The annular side of the third rotating shaft 58 is mounted with a second flat gear 59. The second flat gear 59 can rotate coaxially with the third rotating shaft 58. The first flat gear 56 is meshed with the first bevel gear 53. The two flat gears 59 are meshed with each other, and a plurality of groups of reinforcing ribs 13 are welded at the upper left corner and the upper right corner of the inner wall of the base 1. The reinforcing ribs 13 can enhance the structural strength of the base 1. Two groups of leg frames 4 are provided with the same specifications. The two groups of leg frames 4 are slidably sleeved on the outer sides of the first rotating member 57 and the second rotating member 511. The leg frames 4 can slide along the surfaces of the first rotating member 57 and the second rotating member 511. This design is convenient for users with different leg lengths to use. A foot plate 41 is welded at one end of the leg frame 4 relatively away from the base 1, and a fixing belt 42 is provided on the side of the foot plate 41 relatively close to the base 1. The foot plate 41 cooperates with the fixing belt 42 to fix the position of the user's foot.

[0025] As a second embodiment of the present utility model: when the user stretches the ligament, he first sits on the seat cushion 2 and presses his back against the backrest 3, then places his legs on the leg frame 4, and fixes the user's feet with the footboard 41 and the fixing belt 42, then controls the drive motor 52 to start through the control panel 51, and the drive motor 52 drives the first rotating shaft 531 to rotate through the coupling, and the first bevel gear 53 rotates coaxially with the first rotating shaft 531. Since the first bevel gear 53 is meshed with the second bevel gear 54, the rotation of the first bevel gear 53 drives the second bevel gear 54 to rotate in the counterclockwise direction, and drives the first rotating member 57 to flip outward through the second rotating shaft 55. At the same time, the first flat gear 56 rotates coaxially with the second rotating shaft 55. Since the first flat gear 56 is meshed with the second flat gear 59, the second flat gear 59 drives the third rotating shaft 58 to rotate in the clockwise direction, and drives the second rotating member 511 to flip in the direction away from the first rotating member 57, so that the two groups of leg frames 4 are opened outward, thereby stretching the ligament of the user.

[0026] The above shows and describes the basic principles and main features of the utility model and the advantages of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic features of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is defined by the attached claims rather than the above description, and it is intended to include all changes within the meaning and scope of the equivalent elements of the claims. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0027] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A ligament stretcher, comprising a base, a seat cushion, a backrest, a leg rest and an adjustment and stretching mechanism, characterized in that: A seat cushion is bonded to the upper end surface of the base, a backrest is provided on the rear end surface of the base, a leg rest is provided in the front of the base, and an adjustment and stretching mechanism is provided inside the base; The adjusting and stretching mechanism includes a control panel, a driving motor, a first bevel gear, a second bevel gear, a second rotating shaft, a first rotating member, a third rotating shaft and a second rotating member. The right end face of the base is provided with a control panel, the driving motor is provided inside the base, the first bevel gear is provided on the left side of the driving motor, the second bevel gear is provided on the left side of the first bevel gear, the second rotating shaft is provided for rotation inside the base, the first rotating member is clamped on the annular side surface of the second rotating shaft, the third rotating shaft is provided on the right side surface of the second rotating shaft, and the second rotating member is clamped on the annular side surface of the third rotating shaft.

2. A ligament stretcher according to claim 1, characterized in that: A transverse support plate is arranged inside the base, a vertical support plate is arranged below the transverse support plate, the transverse support plate is connected to the vertical support plate in a T-shape, and the drive motor is installed on the right side of the vertical support plate.

3. A ligament stretcher according to claim 2, characterized in that: A first rotating shaft is clamped inside the first bevel gear, a first bearing seat is clamped inside the vertical support plate, the first rotating shaft is rotatably connected to the vertical support plate via the first bearing seat, and the driving motor is connected to the first rotating shaft via a coupling.

4. A ligament stretcher according to claim 2, characterized in that: The upper surface of the transverse support plate is clamped with a third bearing seat, and two groups of the third bearing seats of equal specifications are provided. The third rotating shaft is rotatably connected with the transverse support plate and the inner wall of the base through the third bearing seat.

5. A ligament stretcher according to claim 1, characterized in that: The second rotating shaft is provided with second bearing seats of equal specifications at both ends. The second rotating shaft is rotatably connected to the inner wall of the base through the second bearing seats. The second bevel gear is clamped on the annular side surface of the second rotating shaft, and the second bevel gear is meshed with the first bevel gear.

6. A ligament stretcher according to claim 1, characterized in that: The annular side surface of the second rotating shaft is clamped with a first spur gear, the annular side surface of the third rotating shaft is clamped with a second spur gear, and the first spur gear and the second spur gear are meshed with each other.

7. A ligament stretcher according to claim 1, characterized in that: A plurality of reinforcing ribs are welded at the upper left corner and the upper right corner of the inner wall of the base, and two groups of leg frames are provided with the same specifications. The two groups of leg frames are slidably sleeved on the outer sides of the first rotating member and the second rotating member.

8. A ligament stretcher according to claim 1, characterized in that: A foot plate is welded to one end of the leg frame relatively far from the base, and a fixing belt is arranged on one side of the foot plate relatively close to the base.

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