Stretching device for physical fitness

Abstract

The physical fitness stretching device comprises a bottom box, a moving structure, a lifting structure, a supporting rod, a movable sleeve, an adjusting structure and a supporting seat, the bottom of the bottom box is of an opening structure, electric telescopic rods are fixedly connected to the two ends of the top in the bottom box, and a fixing plate is fixedly connected between the movable ends of the two electric telescopic rods; the movable structures are arranged at the two ends of the bottom of the fixing plate, the lifting structures are arranged at the two ends of the top of the bottom box, the supporting rods are arranged between the lifting structures, the adjusting structures are arranged at the tops of the movable sleeves, and the supporting bases are fixedly connected to the tops of the movable rods. Compared with the prior art, the leg supporting device has the advantages that the movable sleeve can adjust the distance between the supporting seats, and the height of the supporting seats can be specifically adjusted through the adjusting structure according to different leg placing heights or needed heights of people; and the device has certain pertinence when being used by multiple persons.

Description

TECHNICAL FIELD

[0001] The utility model relates to physical training technical field, specifically a kind of sports fitness stretching device. BACKGROUND

[0002] Sports fitness equipment includes various equipment and tools for exercise and training. When doing sports fitness, the legs need to be stretched, and the legs can be effectively stretched by pressing the legs.

[0003] A stretching device for sports fitness is disclosed in publication number CN220327881 U, comprising a bottom plate, the top surface of the bottom plate is provided with mounting slot one and mounting slot two on both sides, the mounting slot one is connected with a support plate through a height adjusting structure, the support plate is slidably connected to the mounting slot two at one end, a plurality of fixing sleeves are slidably arranged on the support plate, a plurality of threaded holes are uniformly arranged on the support plate, and the fixing sleeves are threadedly connected with fixing bolts matched with the threaded holes.

[0004] The existing sports fitness stretching device has the following shortcomings: although the existing sports fitness stretching device is provided with a plurality of arc-shaped placing blocks for multiple people to perform leg stretching actions, the height required for pressing the legs or the habitual height of each person is different, and the arc-shaped placing blocks can only be adjusted to the approximate position by using the screw rod and the support plate, and the height of each person cannot be accurately matched, and the existing sports fitness stretching device is not convenient to move and needs to be moved manually, so it is more troublesome to use.

[0005] The information disclosed in this BACKGROUND section is only intended to increase an understanding of the general context in which the present application can be practiced and is not intended to be nor should it be taken as admitting that the information constitutes prior art to the present application. CONTENT OF THE UTILITY MODEL

[0006] The technical problem to be solved by the utility model is to overcome the above technical defects, and to provide a sports fitness stretching device.

[0007] In order to solve the above problems, the technical scheme of the utility model is as follows: a sports fitness stretching device, comprising a bottom box, the bottom of the bottom box is an open structure, the top of the bottom box is fixedly connected with an electric telescopic rod at both ends, the movable end of the two electric telescopic rods is fixedly connected with a fixed plate;

[0008] A moving structure is arranged at both ends of the bottom of the fixed plate.

[0009] A lifting structure is arranged at both ends of the top of the bottom box.

[0010] A support rod is arranged between the lifting structures.

[0011] The movable sleeve is provided with an opening structure on the front side;

[0012] The adjusting structure is arranged on the top of the movable sleeve, and the adjusting structure comprises a second fixing cylinder, a third fixing cylinder is fixedly connected to the front side of the second fixing cylinder and communicates with the second fixing cylinder, an operating rod is arranged in the second fixing cylinder, a limiting groove is formed in the front side of the operating rod, a limiting block is arranged at the communicating position of the second fixing cylinder and the third fixing cylinder, the limiting block is inserted into the limiting groove, a spring and a pull rod are arranged between the limiting block and the end wall of the third fixing cylinder, the spring is sleeved on the outer portion of the pull rod, one end of the pull rod extends out of the third fixing cylinder, and the spring is fixedly connected between the limiting block and the inner end portion of the third fixing cylinder.

[0013] The supporting seat is fixedly connected to the top of the operating rod, and the top of the supporting seat is in an arc structure.

[0014] Further, the moving structure comprises two triangular plates, the top centers of the two triangular plates are rotatably connected to the bottom of the fixed plate, the corners of the triangular plates are fixedly connected with mounting seats, and the mounting seats are rotatably connected with rollers.

[0015] Further, the lifting structure comprises a first fixing cylinder, the bottom of the first fixing cylinder is fixedly connected to the top of the bottom box, a threaded rod one is rotatably connected in the first fixing cylinder, a conical gear one is fixedly connected to the bottom of the threaded rod one, a conical gear two is arranged between the two conical gear ones, connecting rods are arranged on the two sides of the conical gear two, conical gear threes are fixedly connected to the two ends of the connecting rods, the conical gear threes are respectively meshed with the conical gear one and the conical gear two, a knob is fixedly connected to the top of the conical gear two, and an operating column is movably arranged in the first fixing cylinder, and a threaded groove matched with the threaded rod one is formed in the bottom of the operating column.

[0016] Further, the movable sleeve is provided with an operating plate, the bottom of the operating plate is fixedly connected with a threaded rod two, the threaded rod two is inserted into the bottom of the movable sleeve and is connected with the movable sleeve through a threaded structure.

[0017] Further, supporting blocks are fixedly connected to the front and back sides of the two ends of the bottom box, and the supporting blocks are in a triangular structure.

[0018] Compared with the prior art, the movable sleeve can adjust the spacing between the plurality of supporting seats, the height of the supporting seat can be adjusted according to the leg placement height of each person or the required height through the adjusting structure, the device is more targeted when used by multiple people, the fixed plate and the moving structure are pushed by the electric telescopic rod to support the ground, the bottom of the bottom box is not in contact with the surface, and thus the device as a whole can be conveniently moved. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 The three-dimensional structure of the utility model Figure One .

[0020] Figure 2 The three-dimensional structure of the utility model Figure Two .

[0021] Figure 3 The internal structure diagram of the height adjusting structure of the utility model.

[0022] Figure 4 The internal structure diagram of the limiting structure of the utility model.

[0023] As shown in the figure: 1, bottom box; 2, electric telescopic rod; 3, fixed plate; 4, moving structure; 401, triangular plate; 402, mounting seat; 403, roller; 5, lifting structure; 501, fixed cylinder one; 502, threaded rod one; 503, conical gear one; 504, conical gear two; 505, connecting rod; 506, conical gear three; 507, knob; 508, movable column; 509, threaded groove; 6, support rod; 7, movable sleeve; 8, adjusting structure; 801, fixed cylinder two; 802, fixed cylinder three; 803, movable rod; 804, limiting groove; 805, limiting block; 806, spring; 807, pull rod; 9, movable plate; 10, threaded rod two; 11, support block; 12, support seat. DETAILED DESCRIPTION

[0024] The specific embodiments of the utility model will be further described below in conjunction with the drawings. Wherein the same parts are indicated by the same reference numerals.

[0025] It should be noted that the words "front", "back", "left", "right", "up" and "down" used in the following description refer to the directions in the drawings, and the words "inner" and "outer" refer to the directions towards or away from the geometric center of a particular component.

[0026] In order to make the content of the utility model more easily understood, the technical solutions in the utility model embodiments will be clearly and completely described below in conjunction with the drawings in the utility model embodiments.

[0027] As Figures 1 to 4As shown, a sports fitness stretching device, including bottom box 1, moving structure 4, lifting structure 5, support rod 6, movable sleeve 7, adjusting structure 8 and support seat 12, the bottom of bottom box 1 is open structure, the top of bottom box 1 is fixedly connected with electric telescopic rod 2 at both ends, the movable end of two electric telescopic rods 2 is fixedly connected with fixed plate 3, moving structure 4 is arranged at both ends of the bottom of fixed plate 3, the ground is supported by pushing fixed plate 3 and moving structure 4 through electric telescopic rod 2, so that the bottom of bottom box 1 is not in contact with the surface, so that the position of the device can be conveniently moved, lifting structure 5 is arranged at both ends of the top of bottom box 1, support rod 6 is arranged between lifting structure 5, the approximate height of the leg pressing can be adjusted to the height suitable for most people by using lifting structure 5 and support rod 6 in cooperation, which is convenient for multiple people to use the stretching device at the same time, the front side of movable sleeve 7 is open structure, adjusting structure 8 is arranged at the top of movable sleeve 7, support seat 12 is fixedly connected to the top of movable rod 803, the spacing between multiple support seats 12 can be adjusted by movable sleeve 7, and the height of support seat 12 can be adjusted according to the different leg placing height of each person or the specific height required by adjusting structure 8, so that it is more targeted when used by multiple people, the top of support seat 12 is arc structure.

[0028] Moving structure 4 includes two triangular plates 401, two triangular plates 401 are rotatably connected to the bottom of fixed plate 3 at the top center position, the corner of triangular plate 401 is fixedly connected with mounting seat 402, mounting seat 402 is rotatably connected with roller 403, the roller 403 is in contact with the ground at the same time when the fixed plate 3 is pushed by the electric telescopic rod 2 to support the bottom box 1, because the mounting seat 402 and the roller 403 are distributed in the bottom of the triangular plate 401 in triangular structure, a certain stability is increased in the moving process, when not moving, the electric telescopic rod 2 is retracted, the roller 403 is brought into the bottom box 1, the bottom of the bottom box 1 is in contact with the ground, the front and rear sides of the both ends of the bottom box 1 are fixedly connected with support block 11, support block 11 is triangular structure, and the contact area of the both ends of the bottom of bottom box 1 with the ground can be increased by support block 11, so that the bottom box 1 is more stable.

[0029] The lifting structure 5 comprises a fixed cylinder 501 fixedly connected at the bottom to the top of the bottom box 1, a threaded rod 502 rotatably connected in the fixed cylinder 501, a conical gear 503 fixedly connected at the bottom of the threaded rod 502, a conical gear 504 arranged between the two conical gears 503, connecting rods 505 arranged at the two sides of the conical gear 504, conical gears 506 fixedly connected at the two ends of the connecting rods 505, the conical gears 506 meshingly connected with the conical gears 503 and 504, respectively, a knob 507 fixedly connected at the top of the conical gear 504, and a movable column 508 movably arranged in the fixed cylinder 501 and having a threaded groove 509 at the bottom matched with the threaded rod 502. When the height of the supporting rod 6 needs to be adjusted, the knob 507 is rotated to drive the conical gear 503 to rotate, thereby driving the conical gear 506 at one end of the connecting rod 505 and the conical gear 506 at the other end of the connecting rod 505 to drive the conical gear 503, thereby driving the threaded rod 502 to rotate, and driving the movable column 508 to move along the inside of the fixed cylinder 501, so as to adjust the height of the supporting rod 6.

[0030] The movable sleeve 7 is provided with a movable plate 9 fixedly connected at the bottom with a threaded rod 10, the threaded rod 10 penetrating through the bottom of the movable sleeve 7 and threadedly connected with the movable sleeve 7. The threaded rod 10 is rotated to drive the movable plate 9 to move in the movable sleeve 7. When the movable sleeve 7 needs to be positioned, the threaded rod 10 is rotated to push the movable plate 9 to the position at the bottom of the supporting rod 6, so that the movable plate 9 is tightly abutted against the bottom of the supporting rod 6, thereby fixing the movable sleeve 7.

[0031] The adjusting structure 8 comprises a fixed cylinder two 801, a fixed cylinder three 802 is fixedly connected to the front side of the fixed cylinder two 801 and communicates with the fixed cylinder two 801, a movable rod 803 is arranged in the fixed cylinder two 801, a plurality of limiting grooves 804 are formed in the front side of the movable rod 803, a limiting block 805 is arranged at the communicating position of the fixed cylinder two 801 and the fixed cylinder three 802, the limiting block 805 is inserted into the limiting groove 804, a spring 806 and a pull rod 807 are arranged between the limiting block 805 and the end wall of the fixed cylinder three 802, the spring 806 is sleeved outside the pull rod 807, one end of the pull rod 807 extends outside the fixed cylinder three 802, the spring 806 is fixedly connected with the limiting block 805 and the inner end of the fixed cylinder three 802, in the process of leg pressing and stretching, the limiting block 805 is extruded by the spring 806 and is inserted into the limiting groove 804, so that the position of the movable rod 803 in the fixed cylinder two 801 is fixed, when the height of the movable rod 803 needs to be adjusted, the pull rod 807 is pulled, the limiting block 805 is driven into the fixed cylinder three 802, so that the position of the movable rod 803 is adjusted, after the adjustment is completed, the limiting groove 804 is aligned with the communicating position of the fixed cylinder two 801 and the fixed cylinder three 802, the pull rod 807 is released, and the limiting block 805 is pushed into the limiting groove 804 by the tension of the spring 806.

[0032] It should be noted that the relational terms herein such as first and second and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0033] Although the embodiments of the present application have been shown and described, it should be understood by those ordinary skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

[0034] The present application and its embodiments have been described above, and such description is not restrictive, and the embodiments shown in the drawings are only one of the embodiments of the present application, and the actual structure is not limited thereto. In general, if a person skilled in the art is inspired by it, without departing from the creative purpose of the present application, without creative design, similar structure and embodiments of the technical solution can be designed, which should belong to the protection scope of the present application.

Claims

1. A physical fitness stretching device, characterized by: Including the bottom box (1), the bottom of the bottom box (1) is open structure, the top of the bottom box (1) is fixedly connected with electric telescopic rod (2) both ends, two electric telescopic rod (2) movable end fixedly connected with fixed plate (3) between; Mobile structure (4), the mobile structure (4) is equipped with fixed plate (3) bottom two ends; Lifting structure (5), the lifting structure (5) is equipped with bottom box (1) top two ends; Supporting rod (6), the supporting rod (6) is equipped with lifting structure (5) between; Movable sleeve (7), the movable sleeve (7) front side is open structure; Adjusting structure (8), the adjusting structure (8) is equipped with movable sleeve (7) top, the adjusting structure (8) includes fixed cylinder two (801), the fixed cylinder three (802) is fixedly connected with fixed cylinder two (801) front side, and communicates between fixed cylinder two (801), the movable rod (803) is provided in fixed cylinder two (801), the movable rod (803) front side is provided with limit groove (804), the fixed cylinder two (801) and fixed cylinder three (802) are provided with limit block (805) at the communicating place, the limit block (805) is inserted into the limit groove (804), the limit block (805) and the fixed cylinder three (802) end portion cylinder wall between spring (806) and pull rod (807) are equipped with, and the spring (806) is sleeved on the outside of pull rod (807), one end of pull rod (807) extends outside fixed cylinder three (802), the spring (806) is fixedly connected with the limit block (805) and the fixed cylinder three (802) inner end portion between; Supporting seat (12), the supporting seat (12) is fixedly connected to the top of movable rod (803), and the top of supporting seat (12) is arc structure.

2. A physical fitness stretching device according to claim 1 wherein: The mobile structure (4) includes two triangular plates (401), and the top center of the two triangular plates (401) is rotatably connected to the bottom of the fixed plate (3). The corner of the triangular plate (401) is fixedly connected with the mounting seat (402), and the mounting seat (402) is rotatably connected with the roller (403).

3. The physical fitness stretching device of claim 1 wherein: The lifting structure (5) includes a fixed cylinder (501), and the bottom of the fixed cylinder (501) is closed and fixedly connected to the top of the bottom box (1). The screw rod (502) is rotatably connected in the fixed cylinder (501). The bottom of the screw rod (502) is fixedly connected with the bevel gear (503). The bevel gear (503) is provided with a bevel gear (504) between the two bevel gears (503). The bevel gear (504) is provided with a connecting rod (505) on both sides. The two connecting rods (505) are fixedly connected with the bevel gear (506) at both ends. The bevel gear (506) is respectively meshed with the bevel gear (503) and the bevel gear (504). The bevel gear (504) is fixedly connected with the knob (507) at the top. The movable column (508) is movably arranged in the fixed cylinder (501). The bottom of the movable column (508) is provided with a threaded groove (509) matched with the screw rod (502).

4. The physical fitness stretching device of claim 1 wherein: The activity sleeve (7) is internally provided with an activity plate (9), the bottom of the activity plate (9) is fixedly connected with a threaded rod two (10), the threaded rod two (10) is inserted into the bottom of the activity sleeve (7), and is connected with the activity sleeve (7) through a threaded structure.

5. The physical fitness stretching device of claim 1 wherein: The front and rear sides of the two ends of the bottom box (1) are fixedly connected with supporting blocks (11), and the supporting blocks (11) are triangular structures.

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