Leg stretching device for physical training
By designing leg extension devices that support components such as vertical plates, crossbars, sliders, support plates and electric cylinders, the problem of insufficient flexibility in existing training is solved, and the tensile strength adjustment and body fixation are achieved flexibly, improving training efficiency and effect.
Patent Information
- Application Number
- CN202422168599.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-04
- Publication Date
- 2025-08-22
- Estimated Expiration
- 2034-09-04
AI Technical Summary
In existing sports training, the flexibility of leg stretching is not high, the tensile strength cannot be adjusted according to individual needs, and the legs cannot be trained at the same time, and the body cannot be fixed when stretching, which affects the training effect.
A leg extension device for sports training is designed, including a support vertical plate, a crossbar, a slider, a support plate, an electric cylinder and an adjustment rod. The position of the support plate is adjusted by driving the electric cylinder, and the body is fixed with the handrail and a limit spring to achieve flexible stretching training of the legs.
It realizes the adjustment of tensile strength according to individual needs, which is suitable for people of different heights, improves training efficiency and safety, ensures body fixation, and improves the effect of leg stretching training.
Smart Images
Figure CN223248487U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of sports training, in particular to a leg stretching device for sports training. Background Art
[0002] During physical training, leg stretching exercises are often one of the essential trainings for athletes. The common training method is that athletes often place one leg on parallel bars or leg press bars to press to stretch the leg ligaments and muscles. However, this training method is not very flexible and cannot adjust the stretching intensity according to the actual needs of the athletes. In addition, it cannot train both legs at the same time. The body cannot be fixed during leg stretching, which affects the leg stretching training effect. Utility Model Content
[0003] The purpose of the utility model is to provide a leg stretching device for sports training, which has the advantage of being able to effectively perform leg stretching training.
[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a leg stretching device for sports training, comprising a supporting vertical plate, a cross bar fixedly installed on the inner side of the supporting vertical plate, a first slider and a second slider are slidably installed on both sides of the surface of the cross bar, a first support plate and a second support plate are fixedly installed on the top of the first slider and the second slider, a seat cushion is fixedly installed on the top of the first support plate, a positioning seat is fixedly installed on the middle part of the cross bar, an electric cylinder is fixedly installed on the right side of the first support plate through a connecting plate, a connecting shaft is movably installed between the output end of the electric cylinder and the positioning seat, an adjustment plate is rotatably installed on the top of the positioning seat, a first adjusting rod and a second adjusting rod are rotatably installed on the two ends of the top of the adjustment plate, and the outer ends of the first adjusting rod and the second adjusting rod are rotatably installed on the top of the first support plate and the second support plate.
[0005] As a preferred solution, sleeves are fixedly installed on both the front and rear ends of the right side of the top of the first support plate, and an armrest is telescopically installed inside the sleeve. An adjustment knob is threadedly installed on the right side of the sleeve, and the locking end of the adjustment knob is fastened to the right side of the lower end of the armrest.
[0006] As a preferred solution, limit springs are sleeved on both sides of the cross bar surface, the inner ends of the limit springs are fixedly installed on the surface of the positioning seat, and the outer ends of the two limit springs are respectively connected to the inner sides of the first slider and the second slider.
[0007] As a preferred solution, reinforcement rods are fixedly installed at both the front and rear ends of the inner bottom of the support vertical plate, and the reinforcement rods are located on both sides of the cross bar.
[0008] As a preferred solution, a foot support plate is fixedly installed on the right side of the top of the second support plate, and a rubber pad is placed on the top of the foot support plate.
[0009] As a preferred solution, the first adjustment rod and the second adjustment rod are staggered, and shielding plates are fixedly installed on the outer sides of the tops of the first support plate and the second support plate.
[0010] Compared with the prior art, the beneficial effects of the present invention are as follows:
[0011] 1. The utility model is equipped with an electric cylinder, a first adjusting rod and a second adjusting rod, so as to adjust the lateral position of the first support plate and the second support plate and perform leg stretching training on the trainee. Moreover, the structure is suitable for people of different heights. During the training process, the trainee can sit on the seat board to stretch his legs, thereby improving the training efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 This is a three-dimensional diagram of the structure of the utility model;
[0013] Figure 2 This is the main view of the structure of the utility model;
[0014] Figure 3 It is a partial structural sectional view of the utility model.
[0015] In the figure: 1. Support vertical plate; 2. Cross bar; 3. First slider; 4. Second slider; 5. First support plate; 6. Second support plate; 7. Cushion plate; 8. Sleeve; 9. Armrest; 10. Adjustment knob; 11. Positioning seat; 12. Electric cylinder; 13. First adjustment rod; 14. Second adjustment rod; 15. Adjustment plate; 16. Limit spring; 17. Reinforcement rod; 18. Foot support plate; 19. Rubber pad; 20. Shielding plate. DETAILED DESCRIPTION
[0016] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0017] Secondly, the term "one embodiment" or "embodiment" herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in various places throughout this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments.
[0018] Example 1:
[0019] See also Figure 1 As shown, the utility model provides a leg stretching device for sports training, including a supporting vertical plate 1, a cross bar 2 is fixedly installed on the inner side of the supporting vertical plate 1, and a first slider 3 and a second slider 4 are slidably installed on both sides of the surface of the cross bar 2, and a first supporting plate 5 and a second supporting plate 6 are fixedly installed on the top of the first slider 3 and the second slider 4 respectively. A cushion plate 7 is fixedly installed on the top of the first support plate 5, and a positioning seat 11 is fixedly installed on the middle part of the cross bar 2. An electric cylinder 12 is fixedly installed on the right side of the first support plate 5 through a connecting plate, and a connecting shaft is movably installed between the output end of the electric cylinder 12 and the positioning seat 11, and an adjusting plate 15 is rotatably installed on the top of the positioning seat 11. The first and second adjusting rods 13 and 14 are rotatably installed at both ends of the top of the adjusting plate 15, and the outer ends of the first and second adjusting rods 13 and 14 are rotatably installed with the tops of the first support plate 5 and the second support plate 6 respectively.
[0020] This technical solution sets up the application of the electric cylinder 12, the first adjustment rod 13 and the second adjustment rod 14, which can adjust the lateral position of the first support plate 5 and the second support plate 6, and perform leg stretching training for the trainee. Moreover, this structure is suitable for people of different heights. During the training process, the trainee can sit on the seat cushion 7 to stretch his legs, thereby improving the training efficiency.
[0021] Example 2:
[0022] On the basis of embodiment 1, the present invention is as follows Figure 3 As shown, it is disclosed that sleeves 8 are fixedly installed at both ends of the front and rear ends of the top right side of the first support plate 5, an armrest 9 is telescopically installed inside the sleeve 8, an adjustment knob 10 is threadedly installed on the right side of the sleeve 8, and the locking end of the adjustment knob 10 is fastened to the right side of the lower end of the armrest 9.
[0023] Use Figure 1 In the technical solution shown, the height of the armrest 9 is adjusted by using the adjustment knob 10. During training, the armrest 9 can be used to fix both hands to ensure that the body does not tilt during training, thereby improving training efficiency.
[0024] Secondly, in the technical solution, limit springs 16 are sleeved on both sides of the surface of the cross bar 2, the inner ends of the limit springs 16 are fixedly installed on the surface of the positioning seat 11, and the outer ends of the two limit springs 16 are respectively connected to the inner sides of the first slider 3 and the second slider 4; reinforcement rods 17 are fixedly installed on the front and rear ends of the inner bottom of the supporting vertical plate 1, and the reinforcement rods 17 are located on both sides of the cross bar 2.
[0025] It uses Figure 1In the technical solution shown, the limit spring 16 can provide limit support for the moving ends of the first slider 3 and the second slider 4. When the electric cylinder 12 drives the two sliders to reset, the limit spring 16 can play an auxiliary reset role, allowing the slider to drive the support plate to reset quickly.
[0026] Example 3:
[0027] The utility model Figure 1-Figure 3 As shown, a foot support plate 18 is fixedly installed on the right side of the top of the second support plate 6, and a rubber pad 19 is placed on the top of the foot support plate 18; the first adjustment rod 13 and the second adjustment rod 14 are staggered, and a shielding plate 20 is fixedly installed on the outer side of the top of the first support plate 5 and the second support plate 6.
[0028] By adopting the above technical solution, the foot support plate 18 can support and accommodate the feet of the trainee and fix them on the second support plate 6, while the rubber pad 19 on the top can increase the comfort of the feet after being placed thereon.
[0029] The working principle of the present utility model is as follows: the trainee sits on the seat cushion 7, holds the armrests 9 with both hands to fix the body, places the legs to be trained on the foot support plate 18, and starts the electric cylinder 12 through the external PLC controller. The output end of the electric cylinder 12 contracts through the limit of the connecting shaft and the positioning seat 11, which can drive the first support plate 5 to move to the right, and the top of the first support plate 5 drives the second adjusting rod 14 to move through the cooperation of the first adjusting rod 13 and the adjusting plate 15, and uses the second adjusting rod 14 to drive the second support plate 6 to move to the left to make the legs contract. The electric cylinder 12 repeatedly contracts and extends in this way to perform leg stretching training.
[0030] It is important to note that the construction and arrangement of the present application shown in a number of different exemplary embodiments are merely illustrative. Although only a few embodiments are described in detail in this disclosure, it should be readily understood by those who refer to this disclosure that many modifications are possible (e.g., the size, scale, structure, shape and proportion of various elements, and parameter values (e.g., temperature, pressure, etc.), mounting arrangements, use of materials, colors, directional changes, etc.) without departing substantially from the novel teachings and advantages of the subject matter described in this application. For example, an element shown as integrally formed may be composed of multiple parts or elements, the position of the element may be inverted or otherwise changed, and the nature or number or position of the discrete elements may be altered or changed. Therefore, all such modifications are intended to be included within the scope of the present invention. The order or sequence of any process or method steps may be changed or reordered according to alternative embodiments. In the claims, any "means plus function" clause is intended to cover the structure of performing the function described herein, and is not only structurally equivalent but also an equivalent structure. Without departing from the scope of the present invention, other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments. Therefore, the present invention is not limited to the specific embodiments, but extends to various modifications that still fall within the scope of the appended claims.
[0031] Additionally, in order to provide a concise description of example embodiments, all features of an actual embodiment (ie, those features that are not relevant to the best mode presently contemplated for carrying out the invention or those that are not relevant to implementing the invention) may not be described.
[0032] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit the scope of protection of the utility model. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in this field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the essence and scope of the technical solution of the utility model.
Claims
1. A leg stretching device for sports training, comprising a support vertical plate (1), characterized in that: A cross bar (2) is fixedly installed on the inner side of the supporting vertical plate (1), and a first slider (3) and a second slider (4) are slidably installed on both sides of the surface of the cross bar (2), and a first support plate (5) and a second support plate (6) are fixedly installed on the top of the first slider (3) and the second slider (4), respectively. A cushion plate (7) is fixedly installed on the top of the first support plate (5), and a positioning seat (11) is fixedly installed on the middle part of the cross bar (2). An electric cylinder (12) is fixedly installed on the right side of the first support plate (5) through a connecting plate. A connecting shaft is movably installed between the output end of the electric cylinder (12) and the positioning seat (11), and an adjustment plate (15) is rotatably installed on the top of the positioning seat (11). The first and second adjustment rods (13) and the second adjustment rods (14) are rotatably installed at the two ends of the top of the adjustment plate (15), and the outer ends of the first and second adjustment rods (13) and the second adjustment rods (14) are rotatably installed on the tops of the first and second support plates (5 and 6).
2. A leg stretching device for sports training according to claim 1, characterized in that: A sleeve (8) is fixedly installed at both the front and rear ends of the right side of the top of the first support plate (5), and an armrest (9) is telescopically installed inside the sleeve (8). An adjusting knob (10) is threadedly installed on the right side of the sleeve (8), and the locking end of the adjusting knob (10) is tightly connected to the right side of the lower end of the armrest (9).
3. A leg stretching device for sports training according to claim 1, characterized in that: Limiting springs (16) are sleeved on both sides of the surface of the crossbar (2), the inner ends of the limiting springs (16) are fixedly mounted on the surface of the positioning seat (11), and the outer ends of the two limiting springs (16) are respectively connected to the inner sides of the first slider (3) and the second slider (4).
4. A leg stretching device for sports training according to claim 1, characterized in that: Reinforcement rods (17) are fixedly mounted on both the front and rear ends of the inner bottom of the support vertical plate (1), and the reinforcement rods (17) are located on both sides of the crossbar (2).
5. The leg stretching device for sports training according to claim 1, characterized in that: A foot support plate (18) is fixedly mounted on the right side of the top of the second support plate (6), and a rubber pad (19) is placed on the top of the foot support plate (18).
6. The leg stretching device for sports training according to claim 1, characterized in that: The first adjustment rod (13) and the second adjustment rod (14) are staggered, and shielding plates (20) are fixedly mounted on the outer sides of the tops of the first support plate (5) and the second support plate (6).