Muscle training sports equipment

By incorporating a transmission mechanism, limiting components, and guiding components into the ab wheel, the problem of unrestricted roller travel is solved, thereby improving both safety and training effectiveness.

CN224099911UActive Publication Date: 2026-04-10扎兰屯职业学院
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
扎兰屯职业学院
Filing Date
2025-04-17
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

Existing ab rollers cannot limit the rolling stroke during use, which can lead to uncontrolled rolling, potentially causing muscle strain and affecting user safety.

Method used

By incorporating a transmission mechanism, a limiting component, and a guide component into the ab wheel, and utilizing threaded engagement and a limiting screw to restrict the roller's travel, the roller can only roll in the opposite direction, preventing loss of control.

Benefits of technology

It effectively avoids muscle strain caused by the roller rolling out of control in the forward direction, improving user safety and training effectiveness.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN224099911U_ABST
    Figure CN224099911U_ABST
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Abstract

The utility model belongs to the field of physical training, and particularly relates to muscle training sports equipment. According to the technology, a roller is included, a main shaft penetrates through the roller, a mounting box is fixed to one end of the main shaft, a handle is horizontally fixed to the other end of the main shaft and the mounting box, a through hole is formed in the handle of the mounting box, a rotating pipe penetrates through the through hole, and one end of the rotating pipe penetrates through the box wall of the mounting box and is located in the mounting box; a threaded sleeve is fixed to the other end of the rotating pipe, a transmission mechanism is arranged between the rolling wheel and the rotating pipe, a movable screw rod is installed in the threaded sleeve in a penetrating mode, a guide assembly is arranged between the movable screw rod and the rotating pipe, and a limiting assembly is arranged in the through hole. When the roller rolls in the forward direction of the ground, the roller drives the rotating pipe to rotate through the transmission mechanism, and the threaded sleeve drives the movable screw rod to move towards the limiting screw rod until the movable screw rod is blocked by the limiting assembly, so that the stroke of the roller is limited, and muscle strain caused by out-of-control rolling of the roller in the physical training process is avoided.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of sports training, especially a kind of muscle training sports equipment. BACKGROUND

[0002] Sports equipment is the equipment and tool used for physical exercise and training, and the diversity and professionalism of these equipment enable them to meet different sports and training needs, and sports training equipment is various equipment and tool designed to enhance physical fitness, improve sports skills, assist sports teaching or professional training, according to the different purposes and training targets, these equipment can be divided into strength training equipment, aerobic exercise equipment, flexibility training equipment, balance and coordination training equipment and so on;The most common muscle training sports equipment includes abdominal wheel, skipping rope, single bar, double bar and the like.

[0003] The abdominal wheel currently used is rotated by a main shaft cooperating with rollers, the user is prone to the ground, both hands hold the two ends of the main shaft, the body is stretched or arched by pushing forward or pulling back through two rollers, and the exercise effect is achieved by multiple reciprocating movements;But the existing abdominal wheel cannot limit the rolling stroke when in use, when the user pushes forward to the limit distance of himself, it may appear that the body cannot be supported due to the loss of strength, leading to out-of-control rolling of the roller and muscle strain, affecting the safety of user's sports training. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of muscle training sports equipment, the stroke of roller can be limited, so as to avoid out-of-control rolling of the roller and muscle strain.

[0005] The muscle training sports equipment, including the roller of vertical setting, roller is worn with the main shaft, the one end of main shaft is fixed with the installation box, the other end of main shaft and the handle of installation box are fixed horizontally, the handle of installation box is provided with the through hole that is communicated with both ends, the rotatable rotating tube is worn in the through hole, one end of rotating tube passes through the box wall of installation box and is located in installation box, the other end of rotating tube is fixed with the threaded sleeve that is communicated with it, transmission mechanism is arranged between roller and rotating tube, roller drives rotating tube to rotate through transmission mechanism, threaded sleeve is worn with the mobile screw that is screwed with it, mobile screw and rotating tube are provided with the guide assembly that guides the movement of mobile screw, the limiting assembly for limiting the movement distance of mobile screw in through hole is arranged in through hole.

[0006] Further, the transmission mechanism comprises an inner gear and a first transmission gear which are engaged with each other, a groove is formed on the side wall of the installation box near the center, the inner gear is installed in the groove and is aligned with the axis of the roller, a rotatable transmission rod is horizontally installed on the installation box, the first transmission gear is sleeved on one end of the transmission rod, a second transmission gear is sleeved on the other end of the transmission rod, a third transmission gear is sleeved on one end of the rotating pipe in the installation box, and the second transmission gear and the third transmission gear are engaged with each other.

[0007] Further, the limiting assembly comprises a limiting screw, an inner thread is formed on the inner surface of the through hole and is in threaded cooperation with the limiting screw, the inner thread is located on the section away from the installation box, and the limiting screw is installed into the through hole from the distal end of the handle.

[0008] Further, the handle is provided with an observation hole which is in communication with the through hole along the length direction, and a size scale is formed on the outer wall of the handle along the length direction of the observation hole.

[0009] Further, a handle is fixed on one end of the limiting screw which is located outside the through hole.

[0010] Further, anti-skid lines are formed on the outer surfaces of all the handles to prevent hands from slipping.

[0011] Further, the guide assembly comprises a guide block which is fixed on one end of the moving screw which is located in the installation box, and a guide groove is formed on the inner wall of the rotating pipe along the length direction and is used for the sliding of the guide block.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] The user adjusts the position of the limiting assembly according to the length required by the body to stretch, rotates the roller in the opposite direction, and moves the moving screw towards the installation box until one end of the moving screw is attached to the inner bottom of the installation box; when the roller rolls in the positive direction along the ground, the roller drives the rotating pipe to rotate through the transmission mechanism, the rotating pipe drives the threaded sleeve to rotate, the threaded sleeve drives the moving screw to move towards the limiting screw through the threaded cooperation until the moving screw is blocked by the limiting assembly and stops moving, thereby limiting the rolling stroke of the roller, the roller cannot roll in the positive direction and can only roll in the opposite direction, the safety of the user during the physical training is improved, and the situation that the user is injured due to the out-of-control rolling of the roller during the physical training is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a structural schematic view of the utility model;

[0015] Figure 2 It is Figure 1 It is an enlarged schematic view of the a area in the figure.

[0016] Figure 3 isometric view of the present application;

[0017] Figure 4 isometric view of the present application;

[0018] Names of components in the figure: 1, limit screw; 2, roller; 3, main shaft; 4, handle; 5, mounting box; 6, threaded sleeve; 7, second transmission gear; 8, inner gear; 9, first transmission gear; 10, third transmission gear; 11, rotating pipe; 12, moving screw; 13, guide block. DETAILED DESCRIPTION

[0019] The present application will be further described in conjunction with the specific embodiments and the accompanying drawings, but shall not be limited to the present application, any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application. EMBODIMENT

[0020] The muscle training sports equipment described in the embodiment, as shown in Figure 1 , Figure 2 and Figure 4 , comprises a roller 2 arranged vertically, the roller 2 is an existing product, which is generally made of high-strength plastic or rubber material, these materials have good wear resistance and stability, and can roll smoothly on the ground to ensure the safety and comfort of the user during exercise.

[0021] The main shaft 3 is arranged in the roller 2, the main shaft 3 is arranged in the through hole at the center of the roller 2, and the bearing is arranged between the main shaft 3 and the inner wall of the through hole on the roller 2, so that the friction between the main shaft 3 and the hole wall can be reduced, and the roller 2 can roll more simply and easily, and the rolling process can be more smooth.

[0022] One end of the main shaft 3 is fixed with a mounting box 5, as shown in Figure 1 and Figure 3 , the mounting box 5 is a circular box body, which is fixed with the left end of the main shaft 3, the mounting box 5 is aligned with the axis of the main shaft 3, the box opening of the mounting box 5 faces the left side wall, and the box cover and the box body are fixed by screws;

[0023] The other end of the main shaft 3 and the mounting box 5 are horizontally fixed with handles 4, as shown in Figure 1 and Figure 4 , the handle 4 is a cylindrical handle, and the two handles 4 are aligned with the axis of the main shaft 3, in use, the user holds the handle 4 by hand, and the two handles 4 support the user's hands;

[0024] A through hole is formed in the handle 4 of the mounting box 5 and communicates with both ends,Figure 1 The through hole is located at the center of the handle 4, and the left and right end faces of the handle 4 are communicated;

[0025] A rotatable rotating pipe 11 is arranged in the through hole, as shown in Figure 1 The rotating pipe 11 is located in a section of the right side of the through hole, two bearings are sleeved on the rotating pipe 11, and the bearings are located between the rotating pipe 11 and the hole wall of the through hole. The bearings reduce the friction between the rotating pipe 11 and the hole wall, so that the rotating pipe 11 can rotate more simply and easily, and the rotating process can be more smooth;

[0026] One end of the rotating pipe 11 penetrates the box wall of the mounting box 5 and is located in the mounting box 5. The mounting box 5 is provided with a through hole for the one end of the rotating pipe 11 to penetrate. The one end of the rotating pipe 11 is located in the mounting box 5, and a gap exists between the through hole and the rotating pipe 11, so that the rotating pipe 11 can rotate freely;

[0027] The other end of the rotating pipe 11 is fixed with a threaded sleeve 6 communicated with the rotating pipe 11, as shown in Figure 1 and Figure 4 The threaded sleeve 6 is fixed on the one end of the rotating pipe 11 located in the through hole, and the threaded sleeve 6 is aligned with the axis of the rotating pipe 11. When the rotating pipe 11 rotates, the threaded sleeve 6 will rotate;

[0028] Further description, as shown in Figure 1 and Figure 4 The preferred embodiment includes an internal gear 8 and a first transmission gear 9 which are engaged with each other. A recess is formed in the side wall of the mounting box 5 near the center of the roller 2. The internal gear 8 is installed in the recess and is aligned with the axis of the roller 2. The recess is circular and cooperates with the internal gear 8, so that the internal gear 8 can be tightly installed in the recess. A transmission rod is horizontally arranged in the mounting box 5 and can rotate. The first transmission gear 9 is sleeved on one end of the transmission rod. A second transmission gear 7 is sleeved on the other end of the transmission rod. A third transmission gear 10 is sleeved on one end of the rotating pipe 11 located in the mounting box 5. The second transmission gear 7 and the third transmission gear 10 are engaged with each other; as shown in Figure 1As shown, in use, when the roller 2 rolls, the first transmission gear 9 is driven to rotate by the inner gear 8, the second transmission gear 7 is driven to rotate by the transmission rod, the third transmission gear 10 is driven to rotate by the meshing relationship with the second transmission gear 7, and the rotating pipe 11 is synchronously rotated in the process of rotating the third transmission gear 10; the whole constitutes a transmission assembly for transmitting between the roller 2 and the rotating pipe 11; of course, the transmission assembly can also adopt a synchronous belt, a groove is formed in the side wall center of the installation box 5 close to the roller 2, a first pulley is sleeved on the main shaft 3, a rotatable transmission rod is horizontally penetrated and installed on the installation box 5, a second pulley is sleeved on both ends of the transmission rod, and a third pulley is sleeved on the rotating pipe 11; one of the second pulleys and the first pulley are driven by a synchronous belt, and the other second pulley and the third pulley are driven by a synchronous belt, so as to drive the rotating pipe 11 to rotate.

[0029] A moving screw 12 is penetrated and installed in the threaded sleeve 6 in threaded cooperation, as shown in Figure 1 As shown, in the process of rotating the threaded sleeve 6, the threaded sleeve 6 can drive the moving screw 12 to move left and right through threaded cooperation, and move in the rotating pipe 11 and the through hole;

[0030] Further description, as shown in Figure 1 and Figure 2 In the preferred embodiment, a guide block 13 is fixed to one end of the moving screw 12 towards the installation box 5, and a guide groove for the guide block 13 to slide is formed on the inner wall of the rotating pipe 11 along the length direction; as shown in Figure 3 The upper end of the guide block 13 is clamped in the guide groove, and when the moving screw 12 moves, the guide block 13 will slide along the guide groove, and the movement direction of the moving screw 12 is guided by the cooperation of the guide block 13 and the guide groove, so that the moving screw 12 moves along the length direction of the through hole, and the rotation of the moving screw 12 in the moving process is prevented; the whole constitutes a guide assembly for moving and guiding the moving screw 12; of course, the guide assembly can also adopt a moving block, the inner hole of the rotating pipe 11 is rectangular structure matched with the moving block, the moving block is fixed to one end of the moving screw 12 towards the installation box 5, and the moving block will move in the rectangular hole when the moving screw 12 moves, so as to guide the movement direction of the moving screw 12 and prevent the rotation of the moving screw 12 in the moving process.

[0031] Further description, as shown in Figure 1 and Figure 4As shown, the preferred embodiment in the present application comprises a limiting screw 1, a through hole is provided with an internal thread on the inner circular surface of the through hole, the internal thread is located on a section away from the mounting box 5, and the limiting screw 1 is arranged in the through hole from the distal end of the handle 4; in use, the user can rotate the limiting screw 1 to move the limiting screw 1 into or out of the through hole, and move the limiting screw 1 to the appropriate position, of course, after the moving screw 12 moves a distance, the left end of the moving screw 12 will be attached to the end of the limiting screw 1, and the moving screw 12 is blocked by the limiting screw 1 to stop moving, thereby stopping the rolling of the roller 2; the whole scheme constitutes a limiting assembly for limiting the moving distance of the moving screw 12 in the through hole; of course, the limiting assembly can also use a stop block, the stop block is arranged in the through hole, and a sliding groove is formed in the length direction of the handle 4, a screw is independently arranged in the sliding groove, one end of the screw is fixed on the stop block, the stop block is pushed to drive the screw to move in the sliding groove, and then the screw is rotated to lock the stop block, of course, after the moving screw 12 moves a distance, the left end of the moving screw 12 will be attached to the stop block, and the moving screw 12 is blocked by the stop block to stop moving, thereby stopping the rolling of the roller 2.

[0032] The handle 4 is provided with an observation hole in the length direction, and a size scale is formed on the outer wall of the handle 4 in the length direction of the observation hole. Figure 1 And Figure 3 As shown, the left handle 4 is provided with an observation hole, and the user can observe the position of the limiting screw 1 in the through hole through the observation hole; the length of the moving screw 12 is proportional to the length of the roller 2 rolling on the ground, so when the roller 2 rolls a distance on the ground, the moving screw 12 will move a corresponding distance along the through hole, and the size scale displays the rolling distance of the roller 2 according to the proportion, and when the user adjusts the position of the limiting screw 1, the user can adjust the thread end face of the limiting screw 1 to be aligned with the selected distance scale line according to the length of the body stretch, so that the limitation of the roller stroke can be more accurate, and muscle strain caused by out-of-control rolling of the roller can be avoided;

[0033] One end of the limiting screw 1 located outside the through hole is fixed with a handle, as shown in Figure 1 And Figure 4 The handle can be more convenient for the user to twist the limiting screw 1.

[0034] Anti-skid lines are formed on the outer surface of all the handles 4 to prevent hands from slipping, and when the user's hand grips the handle 4, the anti-skid lines can increase the friction between the hand skin and the handle 4, thereby preventing the hand from slipping and improving the safety during use.

[0035] In actual use, the user adjusts the threaded end face of the limiting screw 1 to align with the scale line of the selected distance according to the length of body stretching, rotates the roller 2 in the opposite direction to move the moving screw 12 to the direction of the mounting box 5 until the end of the moving screw 12 is attached to the inner box bottom of the mounting box 5, then the user holds the two handles 4 with both hands to perform sports training; when the roller 2 rolls in the positive direction along the ground, the first transmission gear 9 is driven to rotate through the inner gear 8, the second transmission gear 7 is driven to rotate through the transmission rod, the third transmission gear 10 is driven to rotate through the meshing relationship with the second transmission gear 7, the rotating process of the third transmission gear 10 drives the rotating tube 11 to rotate synchronously, the rotating tube 11 drives the threaded sleeve 6 to rotate, the rotating process of the threaded sleeve 6 drives the moving screw 12 to move to the direction of the limiting screw 1 through the thread cooperation between them until the user's body stretches to the adjusted length, the moving screw 12 moves to attach to the limiting screw 1, the limiting screw 1 blocks the moving screw 12 to stop moving, thereby limiting the stroke of the roller 2, the roller 2 cannot roll in the positive direction, but can only roll in the opposite direction, limiting the stroke of the roller improves the safety of the user's sports training, avoiding the situation that the user loses strength during sports training and causes the roller 2 to roll out of control and muscle strain.

Claims

1. A muscle training sports equipment comprising a vertically arranged roller (2) in which a main shaft (3) is arranged, characterized in that: One end of the main shaft (3) is fixed with a mounting box (5), the other end of the main shaft (3) and the mounting box (5) are horizontally fixed with a handle (4), the handle (4) of the mounting box (5) is provided with a through hole communicated with both ends, a rotatable rotating pipe (11) is arranged in the through hole, one end of the rotating pipe (11) penetrates the wall of the mounting box (5) and is located in the mounting box (5), the other end of the rotating pipe (11) is fixed with a threaded sleeve (6) communicated with it, a transmission mechanism is arranged between the roller (2) and the rotating pipe (11), the roller (2) drives the rotating pipe (11) to rotate through the transmission mechanism, the threaded sleeve (6) is arranged with a moving screw (12) threaded with it, a guide assembly is arranged between the moving screw (12) and the rotating pipe (11) to move the moving screw (12), a limiting assembly is arranged in the through hole to limit the moving distance of the moving screw (12) in the through hole.

2. Muscle training sports equipment according to claim 1, characterized in that: The transmission mechanism comprises an internal gear (8) and a first transmission gear (9) engaged with each other, a recess is formed in the center of the side wall of the roller (2) close to the mounting box (5), the internal gear (8) is installed in the recess and aligned with the axis of the roller (2), a rotatable transmission rod is horizontally arranged in the mounting box (5), the first transmission gear (9) is sleeved on one end of the transmission rod, the second transmission gear (7) is sleeved on the other end of the transmission rod, the third transmission gear (10) is sleeved on one end of the rotating pipe (11) in the mounting box (5), the second transmission gear (7) and the third transmission gear (10) are engaged with each other.

3. The muscle training piece of sports equipment according to claim 1, characterized in that: The limiting assembly comprises a limiting screw (1), an internal thread is formed on the inner surface of the through hole and threaded with the limiting screw (1), the internal thread is located on the section away from the mounting box (5), the limiting screw (1) is arranged in the through hole from the distal end of the handle (4).

4. Muscle training sports equipment according to claim 3, characterized in that: The handle (4) is provided with an observation hole communicated with the through hole along the length direction, and the outer wall of the handle (4) is provided with a size scale along the length direction of the observation hole.

5. The muscle training piece of sports equipment according to claim 3, characterized in that: One end of the limiting screw (1) located outside the through hole is fixed with a handle.

6. The muscle training piece of sports equipment according to claim 1, characterized in that: Anti-skid lines are formed on the outer surfaces of all handles (4) to prevent hands from slipping.

7. The muscle training piece of sports equipment according to claim 1, characterized in that: The guide assembly comprises a guide block (13), the guide block (13) is fixed on one end of the moving screw (12) facing the mounting box (5), and a guide groove is formed in the inner wall of the rotating pipe (11) along the length direction for the sliding of the guide block (13).