Stretching device for fitness

Abstract

The utility model discloses a stretching device for body building, which comprises a base, a first sliding groove is arranged at one end of the top side of the base, and the inside of the base is hollow; the backup plate is fixedly arranged at the other end of the top side of the base; the worm is rotatably arranged in the base, and one end of the worm extends out of the base; the rotating shaft is rotatably arranged in the base and is perpendicular to the arrangement direction of the worm; the turbine is fixedly arranged on the rotating shaft in a sleeving manner and is meshed with the worm; the transmission assembly is arranged in the base, one end of the transmission assembly is fixedly arranged on the rotating shaft in a sleeving mode, and the other end of the transmission assembly is arranged in the first sliding groove and can move in the first sliding groove in the length direction of the base; the bottom end of the pedal is fixedly connected with the other end of the transmission assembly. According to the stretching device for body building, the distance between the pedal and the backup plate can be adjusted by rotating the worm, so that the stretching device for body building can meet the stretching movement of body builders with different leg lengths, the stretching effect can be guaranteed, and the application range of the stretching device for body building is widened.

Description

Technical Field

[0001] The utility model relates to the technical field of fitness equipment, in particular to a stretching device for fitness. Background Art

[0002] Stretching exercises can help fitness enthusiasts stretch the whole body or local muscle groups to improve body flexibility, prevent sports injuries and promote muscle recovery.

[0003] Chinese Patent with the application publication number CN214550951U discloses a stretching device for physical fitness. In this patent, the device can fix the user's legs through the cooperation of the first fixing belt and the second fixing belt, avoiding the need for others to hold the user during conventional stretching to assist in ligament stretching; through the pedal, the device can support the user's feet during use, thus facilitating the stretching of the user's ligaments; however, the pedal in this patent is fixedly installed on the bottom plate, and the distance between the pedal and the seat cushion always remains unchanged. When fitness enthusiasts with different leg lengths use this device for stretching, some people will find it inconvenient to stretch and have a poor stretching effect during use, that is, the stretching device provided by this patent cannot meet the needs of fitness enthusiasts with different leg lengths, and has a small scope of application.

[0004] Therefore, the existing technology still needs to be improved. Content of the Utility Model

[0005] In view of the above deficiencies of the existing technology, the purpose of the present utility model is to provide a stretching device for fitness, aiming to solve the problem that the pedal of the stretching device in the existing technology is fixedly installed on the bottom plate, which cannot meet the needs of fitness enthusiasts with different leg lengths and has a small scope of application.

[0006] The technical solution adopted by the present utility model to solve the technical problems is as follows:

[0007] In the first aspect, an embodiment of the present utility model provides a stretching device for fitness, including:

[0008] A base, one end of the top side of the base is provided with a first chute, and the inside of the base is hollow;

[0009] A backrest, the backrest is fixedly arranged at the other end of the top side of the base;

[0010] A worm, the worm is rotatably arranged in the base and one end extends out of the base;

[0011] A rotating shaft, the rotating shaft is rotatably arranged in the base and is perpendicular to the setting direction of the worm;

[0012] A worm gear, the worm gear is fixedly sleeved on the rotating shaft and meshes with the worm;

[0013] A transmission assembly, the transmission assembly is arranged inside the base, one end of the transmission assembly is fixedly sleeved on the rotating shaft, and the other end of the transmission assembly is arranged inside the first sliding groove and can move along the length direction of the base inside the first sliding groove;

[0014] A pedal, the bottom end of the pedal is fixedly connected to the other end of the transmission assembly.

[0015] As a further improved technical solution, the transmission assembly includes a first connecting rod, a second connecting rod, a movable block and a bracket; wherein, one end of the first connecting rod is fixedly sleeved on the rotating shaft, the other end of the first connecting rod is hinged to one end of the second connecting rod, the other end of the second connecting rod is fixedly connected to the movable block, the movable block is slidably arranged inside the base, and the bottom end of the bracket is fixedly connected to the top side of the movable block, and the top end of the bracket is arranged inside the first sliding groove and is fixedly connected to the bottom end of the pedal.

[0016] As a further improved technical solution, the bottom end of the pedal is detachably connected to the top end of the bracket by a screw, and the included angle between the pedal and the bracket is 45° - 90°.

[0017] As a further improved technical solution, the included angle between the backrest and the base is 50° - 90°.

[0018] As a further improved technical solution, in the above stretching device for fitness, it further includes:

[0019] A first rotating handle, the first rotating handle is fixedly arranged at one end of the worm extending out of the base.

[0020] As a further improved technical solution, in the above stretching device for fitness, it further includes:

[0021] Two leg fixing members, the two leg fixing members are oppositely arranged on the top side of the base, and both of the two leg fixing members can move along the width direction of the base on the top side of the base.

[0022] As a further improved technical solution, in the above stretching device for fitness, it further includes:

[0023] A lead screw and a slider; the lead screw is rotatably arranged in the base and one end extends out of the base. Along the width direction of the base, symmetric second sliding grooves and third sliding grooves are formed on the top side of the base. There are two sliders, and the bottom ends of the two sliders are respectively sleeved on the lead screw and are threadedly connected to the lead screw. The top end of one slider is arranged in the second sliding groove and is connected to one leg fixing member, and the top end of the other slider is arranged in the third sliding groove and is connected to the other leg fixing member.

[0024] As a further improved technical solution, in the above stretching device for fitness, it further includes:

[0025] A second rotating handle, which is fixedly arranged at one end of the lead screw extending out of the base.

[0026] As a further improved technical solution, rubber pads are arranged on the inner sides of both leg fixing members.

[0027] As a further improved technical solution, in the above stretching device for fitness, it further includes:

[0028] A grip, which is arranged on one side of the pedal close to the backrest.

[0029] Compared with the prior art, the embodiments of the present invention have the following advantages:

[0030] The embodiments of the present invention provide a stretching device for fitness, including: a base, one end of the top side of the base is provided with a first sliding groove, and the inside of the base is hollow; a backrest, which is fixedly arranged at the other end of the top side of the base; a worm, the worm is rotatably arranged in the base and one end extends out of the base; a rotating shaft, the rotating shaft is rotatably arranged in the base and is perpendicular to the arrangement direction of the worm; a worm gear, the worm gear is fixedly sleeved on the rotating shaft and meshes with the worm; a transmission component, the transmission component is arranged in the base, one end of the transmission component is fixedly sleeved on the rotating shaft, the other end of the transmission component is arranged in the first sliding groove and can move along the length direction of the base in the first sliding groove; a pedal, the bottom end of the pedal is fixedly connected to the other end of the transmission component. In the present invention, by rotating the worm to drive the worm gear and the rotating shaft to rotate, the rotating shaft drives the pedal to slide and move along the length direction of the base through the transmission component, so as to adjust the distance between the pedal and the backrest, so that the stretching device for fitness provided by the present invention can meet the stretching exercises of fitness enthusiasts with different leg lengths, and can ensure the stretching effect and improve the application range of the stretching device for fitness. Description of the Drawings

[0031] Figure 1Side structure schematic diagram of a stretching device for fitness provided by the present utility model;

[0032] Figure 2 First sectional structure schematic diagram of a stretching device for fitness provided by the present utility model;

[0033] Figure 3 Second sectional structure schematic diagram of a stretching device for fitness provided by the present utility model;

[0034] Figure 4 Third sectional structure schematic diagram of a stretching device for fitness provided by the present utility model.

[0035] In the figure: 1, base; 101, first chute; 102, second chute; 103, third chute; 2, backrest; 3, worm; 4, rotating shaft; 5, worm gear; 6, transmission assembly; 601, first connecting rod; 602, second connecting rod; 603, movable block; 604, bracket; 7, pedal; 8, first knob; 9, leg fixing member; 10, lead screw; 11, slider; 12, second knob; 13, rubber pad; 14, grip. Detailed implementation manners

[0036] The embodiments of the present utility model will be described in detail below. Examples of the embodiments are shown in the drawings, where the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for explaining the present utility model and should not be construed as limiting the present utility model.

[0037] Embodiment:

[0038] As Figures 1-4 shown. Among them, the stretching device for fitness includes: a base 1, one end of the top side of the base 1 is provided with a first chute 101, and the interior of the base 1 is hollow; a backrest 2, the backrest 2 is fixedly arranged at the other end of the top side of the base 1; a worm 3, the worm 3 is rotatably arranged in the base 1 and one end extends out of the base 1; a rotating shaft 4, the rotating shaft 4 is rotatably arranged in the base 1 and is perpendicular to the arrangement direction of the worm 3; a worm gear 5, the worm gear 5 is fixedly sleeved on the rotating shaft 4 and meshes with the worm 3; a transmission assembly 6, the transmission assembly 6 is arranged in the base 1, one end of the transmission assembly 6 is fixedly sleeved on the rotating shaft 4, the other end of the transmission assembly 6 is arranged in the first chute 101 and can move along the length direction of the base 1 in the first chute 101; a pedal 7, the bottom end of the pedal 7 is fixedly connected to the other end of the transmission assembly 6.

[0039] In this embodiment, the stretching device for fitness includes a base 1, a backrest 2, a worm 3, a rotating shaft 4, a worm gear 5, a transmission assembly 6 and a pedal 7. Among them, the base 1 is rectangular parallelepiped-shaped and hollow inside. On the top side of the right end of the base 1, there is also a first sliding groove 101. The first sliding groove 101 is strip-shaped and the opening direction is consistent with the length direction of the base 1. The worm 3 is rotatably arranged in the base 1 along the horizontal direction, and the right end of the worm 3 penetrates through the right side of the base 1 and extends out of the base 1. The rotating shaft 4 is rotatably arranged in the base 1 along the vertical direction. The setting direction of the rotating shaft 4 is perpendicular to the setting direction of the worm 3. The worm gear 5 is fixedly sleeved on the rotating shaft 4 and meshes with the worm 3, that is, the worm 3 can drive the rotating shaft 4 to rotate through the worm gear 5. The right end of the transmission assembly 6 is sleeved on the rotating shaft 4 and fixedly connected to the rotating shaft 4. The left end of the transmission assembly 6 is arranged in the first sliding groove 101 and can move along the length direction of the base 1 in the first sliding groove 101. When the rotating shaft 4 rotates, it will drive the transmission assembly 6 to move, that is, after the rotating shaft 4 rotates, the left end of the transmission assembly 6 will slide in the first sliding groove 101 along the length of the base 1. The bottom end of the pedal 7 is fixed to the left end of the conveying assembly. Therefore, the transmission assembly 6 can drive the pedal 7 to move along the length direction of the base 1, so as to achieve the effect of changing the distance between the pedal 7 and the backrest 2. In the present utility model, by rotating the worm 3 to drive the worm gear 5 and the rotating shaft 4 to rotate, the rotating shaft 4 drives the pedal 7 to slide and move along the length direction of the base 1 through the transmission assembly 6, so as to adjust the distance between the pedal 7 and the backrest 2, so that the stretching device for fitness provided by the present utility model can meet the stretching exercises of fitness enthusiasts with different leg lengths, and can ensure the stretching effect, improving the application range of the stretching device for fitness.

[0040] As a further solution, the transmission assembly 6 includes a first connecting rod 601, a second connecting rod 602, a movable block 603 and a bracket 604. Among them, one end of the first connecting rod 601 is fixedly sleeved on the rotating shaft 4. One end of the second connecting rod 602 is hinged to the other end of the first connecting rod 601. The other end of the second connecting rod 602 is fixedly connected to the movable block 603. The movable block 603 is slidably arranged in the base 1, and the bottom end of the bracket 604 is fixedly connected to the top side of the movable block 603. The top end of the bracket 604 is arranged in the first sliding groove 101 and fixedly connected to the bottom end of the pedal 7. Specifically, the first connecting rod 601 is hinged to the second connecting rod 602, so that the rotating shaft 4 can drive the movable block 603 in the base 1 through the first connecting rod 601 and the second connecting rod 602. There is a bracket 604 on the top side of the movable block 603. The top of this bracket 604 is located in the first sliding groove 101 and is used to support and fix the pedal 7. When the movable block 603 slides, it drives the bracket 604 and the pedal 7 to slide.

[0041] As a further solution, the bottom end of the pedal 7 is detachably connected to the top end of the bracket 604 by a screw, and the included angle between the pedal 7 and the bracket 604 is 45°-90°. Specifically, screw holes can be formed in the pedal 7 and the bracket 604, and the two are connected and fixed by a screw. The included angle between the pedal 7 and the bracket 604 can also be adjusted according to requirements. By respectively forming a plurality of screw holes at different angles on the pedal 7 and the bracket 604 to cooperate with the screw, when the included angle between the pedal 7 and the bracket 604 is less than 90°, the pedal 7 inclines towards the side of the backrest 2 to meet the needs of different fitness enthusiasts and make the feet of the fitness enthusiasts more comfortable during stretching exercises.

[0042] As a further solution, the included angle between the backrest 2 and the base 1 is 50°-90°. Specifically, the backrest 2 inclines towards the side away from the pedal 7. For example, the included angle between the backrest 2 and the pedal 7 can be 50°, 55°, 60°, 65°,.... The backrest 2 and the base 1 can be connected by bolts or fixed by welding. Each stretching device for fitness enthusiasts can adjust the inclination of the backrest 2 to be inconsistent, providing multiple choices for fitness. For example, for a taller person with a longer upper body, a stretching device for fitness with a greater inclination of the backrest 2 is more suitable.

[0043] In this embodiment, the stretching device for fitness further includes: a first rotating handle 8, and the first rotating handle 8 is fixedly arranged at one end of the worm 3 extending out of the base 1. Specifically, the first rotating handle 8 is a stainless steel rotating handle, and a rubber sleeve can be sleeved on the outer periphery of the first rotating handle 8 to prevent the palms of the fitness enthusiasts from sweating and slipping, increasing friction and making the touch feel more comfortable.

[0044] As a further solution, the stretching device for fitness further includes: two leg fixing members 9. The two leg fixing members 9 are oppositely arranged on the top side of the base 1, and both the two leg fixing members 9 can move along the width direction of the base 1 on the top side of the base 1. Specifically, the leg fixing member 9 is L-shaped, facilitating the legs of the fitness enthusiasts to be inserted into the leg fixing member 9 from the opening side of the leg fixing member 9. The two leg fixing members 9 can move horizontally on the base 1. Before the fitness enthusiast lies on the top side of the base 1, the two leg fixing members 9 are moved horizontally to both sides of the base 1. After lying down and placing the legs properly, the two leg fixing members 9 are moved horizontally towards each other until the two leg fixing members 9 respectively clamp one leg.

[0045] As a further solution, the stretching device for fitness further includes: a lead screw 10 and a slider 11; the lead screw 10 is rotatably arranged in the base 1 and one end extends out of the base 1. Along the width direction of the base 1, symmetric second sliding grooves 102 and third sliding grooves 103 are formed on the top side of the base 1. There are two sliders 11, and the bottom ends of the two sliders 11 are respectively sleeved on the lead screw 10 and are threadedly connected to the lead screw 10. The top end of one slider 11 is arranged in the second sliding groove 102 and is connected to one leg fixing member 9, and the top end of the other slider 11 is arranged in the third sliding groove 103 and is connected to the other leg fixing member 9. Specifically, when the lead screw 10 rotates in this embodiment, it will drive the two sliders 11 to move horizontally along the lead screw 10, so that the two sliders 11 drive the two leg fixing members 9 to slide respectively. It is more convenient to adjust the positions of the two leg fixing members 9 by rotating the lead screw 10.

[0046] In this embodiment, the stretching device for fitness further includes: a second rotating handle 12, and the second rotating handle 12 is fixedly arranged at the end of the lead screw 10 extending out of the base 1. Specifically, the second rotating handle 12 is a stainless steel rotating handle, and a rubber sleeve can be sleeved on the outer periphery of the second rotating handle 12 to prevent the palms of fitness enthusiasts from sweating and slipping, increasing friction and making the touch feel more comfortable.

[0047] As a further solution, rubber pads 13 are arranged on the inner sides of the two leg fixing members 9. The rubber pads 13 play a protective role for the legs, and the rubber pads 13 can also be replaced with foam layers, sponges, etc.

[0048] As a further improved technical solution, the stretching device for fitness further includes: a grip 14, and the grip 14 is arranged on the side of the pedal 7 close to the backrest 2. The grip 14 is used for placing the hands of fitness enthusiasts. The hands are respectively grasped at both ends of the grip 14, which is convenient for exerting force to do stretching exercises.

[0049] In summary, the embodiment of the present utility model provides a stretching device for fitness, including: a base 1, one end of the top side of the base 1 is provided with a first sliding groove 101, and the interior of the base 1 is hollow; a backrest 2, the backrest 2 is fixedly arranged at the other end of the top side of the base 1; a worm 3, the worm 3 is rotatably arranged in the base 1 and one end extends out of the base 1; a rotating shaft 4, the rotating shaft 4 is rotatably arranged in the base 1 and is perpendicular to the arrangement direction of the worm 3; a worm gear 5, the worm gear 5 is fixedly sleeved on the rotating shaft 4 and meshes with the worm 3; a transmission component 6, the transmission component 6 is arranged in the base 1, one end of the transmission component 6 is fixedly sleeved on the rotating shaft 4, the other end of the transmission component 6 is arranged in the first sliding groove 101 and can move along the length direction of the base 1 in the first sliding groove 101; a pedal 7, the bottom end of the pedal 7 is fixedly connected to the other end of the transmission component 6. In the present utility model, by rotating the worm 3 to drive the worm gear 5 and the rotating shaft 4 to rotate, the rotating shaft 4 drives the pedal 7 to slide and move along the length direction of the base 1 through the transmission component 6, so as to adjust the distance between the pedal 7 and the backrest 2, so that the stretching device for fitness provided by the present utility model can meet the stretching exercises of fitness enthusiasts with different leg lengths, and can ensure the stretching effect, and improve the application range of the stretching device for fitness.

[0050] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation of the present utility model.

[0051] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include at least one of such features. In the description of the present utility model, "a plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.

[0052] In the present utility model, unless otherwise clearly stipulated and defined, terms such as "installation", "connection", "linkage", "fixation", etc. shall be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection or an electrical connection; it may be directly linked or indirectly linked through an intermediate medium, and it may be the internal communication between two components or the interaction relationship between two components, unless otherwise clearly defined. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0053] In the present utility model, unless otherwise clearly stipulated and defined, the first feature being "on" or "under" the second feature may be that the first and second features are in direct contact, or the first and second features are indirectly in contact through an intermediate medium. Moreover, the first feature being "above", "over" and "on top of" the second feature may be that the first feature is directly above or obliquely above the second feature, or merely indicates that the first feature has a higher horizontal height than the second feature. The first feature being "under", "beneath" and "underneath" the second feature may be that the first feature is directly below or obliquely below the second feature, or merely indicates that the first feature has a lower horizontal height than the second feature.

[0054] It should be noted that when an element is referred to as "fixed to" or "disposed on" another element, it can be directly on the other element or there may also be an intermediate element. When an element is considered to be "connected" to another element, it can be directly connected to the other element or there may be an intermediate element at the same time. The terms "vertical", "horizontal", "up", "down", "left", "right" and similar expressions used herein are only for the purpose of illustration and do not represent the only implementation.

[0055] Certainly, the above embodiments of the present utility model are described in detail, but it should not be construed as a limitation to the protection scope of the present utility model. The present utility model may have other various embodiments. Based on this embodiment, other embodiments obtained by those of ordinary skill in the art without any creative work belong to the protection scope of the present utility model. The protection scope of the present utility model shall be subject to the appended claims.

Claims

1. A stretching device for fitness, characterized in that, Comprising: A base, one end of the top side of the base is provided with a first chute, and the interior of the base is hollow; A backrest, the backrest is fixedly arranged at the other end of the top side of the base; A worm, the worm is rotatably arranged in the base and one end extends out of the base; A rotating shaft, the rotating shaft is rotatably arranged in the base and is perpendicular to the setting direction of the worm; A worm wheel, the worm wheel is fixedly sleeved on the rotating shaft and meshes with the worm; A transmission assembly, the transmission assembly is arranged in the base, one end of the transmission assembly is fixedly sleeved on the rotating shaft, the other end of the transmission assembly is arranged in the first chute and can move along the length direction of the base in the first chute; A pedal, the bottom end of the pedal is fixedly connected to the other end of the transmission assembly.

2. The stretching device for fitness according to claim 1, characterized in that, The transmission assembly includes a first connecting rod, a second connecting rod, a movable block and a bracket; wherein, one end of the first connecting rod is fixedly sleeved on the rotating shaft, one end of the second connecting rod is hinged to the other end of the first connecting rod, the other end of the second connecting rod is fixedly connected to the movable block, the movable block is slidably arranged in the base, and the bottom end of the bracket is fixedly connected to the top side of the movable block, the top end of the bracket is arranged in the first chute and is fixedly connected to the bottom end of the pedal.

3. The stretching device for fitness according to claim 2, characterized in that, The bottom end of the pedal and the top end of the bracket are detachably connected by a screw, and the included angle between the pedal and the bracket is 45° - 90°.

4. The stretching device for fitness according to claim 1, characterized in that, The included angle between the backrest and the base is 50° - 90°.

5. The stretching device for fitness according to claim 1, characterized in that, Also comprising: A first rotary handle, the first rotary handle is fixedly arranged at the end of the worm extending out of the base.

6. The stretching device for fitness according to claim 1, characterized in that, Also comprising: Two leg fixing members, the two leg fixing members are arranged oppositely on the top side of the base, and the two leg fixing members can both move along the width direction of the base on the top side of the base.

7. The stretching device for fitness according to claim 6, characterized in that, Also comprising: A lead screw and a slider; the lead screw is rotatably arranged in the base and one end extends out of the base, along the width direction of the base, symmetric second chutes and third chutes are provided on the top side of the base, there are two sliders, and the bottom ends of the two sliders are respectively sleeved on the lead screw and are threadedly connected to the lead screw, the top end of one of the sliders is arranged in the second chute and is connected to one of the leg fixing members, and the top end of the other slider is arranged in the third chute and is connected to the other leg fixing member.

8. The stretching device for fitness according to claim 7, characterized in that, Also comprising: A second rotary handle, the second rotary handle is fixedly arranged at the end of the lead screw extending out of the base.

9. The stretching device for fitness according to claim 6, wherein, Rubber pads are arranged on the inner sides of the two leg fixing members.

10. The stretching device for fitness according to claim 1, characterized in that, Also comprising: A grip, the grip is arranged on the side of the pedal close to the backrest.

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