Adjustable and controllable knee joint strength training device
By introducing an electric push rod and a slider groove structure into the knee joint strength training device, the problem of non-adjustable resistance in existing devices has been solved, enabling personalized resistance adjustment and improving the applicability of training.
Patent Information
- Application Number
- CN202520242645.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-17
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2035-02-17
AI Technical Summary
Existing knee strength training devices cannot adjust and control resistance, thus failing to meet the personalized needs of users.
A device comprising a training seat, armrests, control panel, training legs, damping structure, and adjustment components was designed. The resistance is adjusted by an electric push rod and a slider groove structure. The control panel controls the electric push rod to adjust the position of the slider and moving rod, thereby changing the resistance of the damping structure.
This allows for adjustable resistance control, improving the device's practicality and meeting the personalized training needs of different users.
Smart Images

Figure CN223601946U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to medical instrument technical field especially, it relates to a kind of adjustable control's knee joint strength training device. BACKGROUND
[0002] Knee joint strength training device is a kind of medical appliance for knee rehabilitation and strength training, which needs artificial to sit on the device in the use process, lift lower leg, drive corresponding damping equipment, so that knee is bent, to facilitate the strength of knee joint.
[0003] The existing knee joint strength training device in the use process, the resistance is single during the leg lifting training process of user, cannot be adjusted and controlled, so it cannot meet the use demand, for this, the utility model provides a kind of adjustable control's knee joint strength training device. UTILITY MODEL CONTENT
[0004] In view of the deficiencies of prior art, the utility model provides a kind of adjustable control's knee joint strength training device, solves the problem of above-mentioned background art.
[0005] To realize above-mentioned purpose, the utility model is realized by the following technical scheme: a kind of adjustable control's knee joint strength training device, including training seat, the upper end of the training seat is provided with handrail, the outer side of the handrail is provided with control panel, one side of the training seat is provided with training leg, first movable seat is provided between the training seat and training leg, one side of the training leg is provided with support rod, damping structure is provided between the support rod and training seat, the middle part of the training leg is provided with adjustment assembly;
[0006] The damping structure includes telescopic link, support sleeve, limit slot, limit block and damping spring, the end of telescopic link and support sleeve is provided with second movable seat;
[0007] The adjustment assembly includes moving rod, the outer side of the moving rod is provided with sliding block, the outer side of the sliding block is provided with auxiliary block, one side of the training leg is provided with sliding slot and auxiliary slot, the inside of the sliding slot is provided with electric push rod.
[0008] As the further technical scheme of the utility model, the training seat is fixedly connected with handrail, the number of handrail is two groups and is symmetrically distributed, the outer side of the control panel is provided with control button and display screen, the inside of the control panel is provided with control circuit board and battery.
[0009] As a further technical scheme of the present utility model, the number of the training legs is two groups and is symmetrically distributed, the first movable seat is arranged between the training leg and the training seat to form a movable connection, and the two ends of the supporting rod are respectively connected with the two groups of training legs to form a fixed connection.
[0010] As a further technical scheme of the present utility model, the second movable seat is arranged between the telescopic rod and the training seat to form a movable connection, the second movable seat is arranged between the supporting sleeve and the supporting rod to form a movable connection, the limiting groove is matched with the limiting block, the limiting block is fixedly connected with the supporting sleeve, and the two ends of the damping spring are respectively connected with the limiting block and the limiting groove.
[0011] As a further technical scheme of the present utility model, the moving rod is in a cylindrical structure, a rubber sleeve is arranged on the outer side of the moving rod, the slider is fixedly connected with the moving rod, the number of the sliders is two groups and is symmetrically distributed, and the auxiliary block is fixedly connected with the slider.
[0012] As a further technical scheme of the present utility model, the slider is matched with the sliding groove, the sliding groove is communicated with the auxiliary groove, the auxiliary groove is matched with the auxiliary block, the output end of the electric push rod is fixedly connected with the slider, the number of the electric push rods is two groups and is symmetrically distributed, and the electric push rod is electrically connected with the control panel.
[0013] The present utility model provides a kind of adjustable control's knee joint strength training device.Compared with prior art, it has the following beneficial effects:
[0014] The present utility model provides a kind of adjustable control's knee joint strength training device.Compared with prior art, it has the following beneficial effects: BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is a kind of whole structure schematic diagram of adjustable control's knee joint strength training device;
[0016] Figure 2 It is a kind of rear view of adjustable control's knee joint strength training device;
[0017] Figure 3 It is a kind ofFigure 2 Side view of the middle A-A;
[0018] Figure 4 Partial exploded view of an adjustable control knee joint strength training device;
[0019] Figure 5 Partial exploded view of an adjustable control knee joint strength training device; Figure 4 Enlarged view of the middle A.
[0020] In the figure: 1, training seat; 2, armrest; 3, control panel; 4, training leg; 5, first movable seat; 6, support rod; 7, telescopic rod; 8, support sleeve; 9, second movable seat; 10, limiting groove; 11, limiting block; 12, damping spring; 13, adjusting assembly; 131, moving rod; 132, sliding block; 133, auxiliary block; 134, sliding groove; 135, auxiliary groove; 136, electric push rod. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.
[0022] Please refer to Figures 1-5 The present application provides an adjustable control knee joint strength training device technical scheme: an adjustable control knee joint strength training device, which comprises a training seat 1, the upper end of the training seat 1 is provided with an armrest 2, the outer side of the armrest 2 is provided with a control panel 3, one side of the training seat 1 is provided with a training leg 4, a first movable seat 5 is arranged between the training seat 1 and the training leg 4, one side of the training leg 4 is provided with a support rod 6, a damping structure is arranged between the support rod 6 and the training seat 1, and an adjusting assembly 13 is arranged at the middle part of the training leg 4.
[0023] The damping structure comprises a telescopic rod 7, a support sleeve 8, a limiting groove 10, a limiting block 11 and a damping spring 12, and the end of the telescopic rod 7 and the support sleeve 8 is provided with a second movable seat 9; the adjusting assembly 13 comprises a moving rod 131, the outer side of the moving rod 131 is provided with a sliding block 132, the outer side of the sliding block 132 is provided with an auxiliary block 133, a sliding groove 134 and an auxiliary groove 135 are formed on one side of the training leg 4, and the inside of the sliding groove 134 is provided with an electric push rod 136.
[0024] As Figures 1-3As shown, the training seat 1 is fixedly connected with the armrest 2, the armrest 2 is two groups and symmetrically distributed, the control panel 3 is provided with control buttons and a display screen on the outside, the control panel 3 is provided with a control circuit board and a battery in the inside, the training leg 4 is two groups and symmetrically distributed, the training leg 4 is movably connected with the training seat 1 through the first movable seat 5, the support rod 6 is movably connected with the two groups of training legs 4, the telescopic rod 7 is movably connected with the training seat 1 through the second movable seat 9, the support sleeve 8 is movably connected with the support rod 6 through the second movable seat 9, the limiting groove 10 is matched with the limiting block 11, the limiting block 11 is fixedly connected with the support sleeve 8, the two ends of the damping spring 12 are connected with the limiting block 11 and the limiting groove 10, so that the user's leg is lifted with resistance, and the strength of the knee joint is exercised.
[0025] As shown in the figure, Figures 4-5 The moving rod 131 is a cylindrical structure, the moving rod 131 is provided with a rubber sleeve on the outside, the slider 132 is fixedly connected with the moving rod 131, the slider 132 is two groups and symmetrically distributed, the auxiliary block 133 is fixedly connected with the slider 132, the slider 132 is matched with the sliding groove 134, the sliding groove 134 is communicated with the auxiliary groove 135, the auxiliary groove 135 is matched with the auxiliary block 133, the output end of the electric push rod 136 is fixedly connected with the slider 132, the electric push rod 136 is two groups and symmetrically distributed, the electric push rod 136 is electrically connected with the control panel 3, so that the position of the moving rod 131 is adjusted, the resistance of the damping structure is changed, and the practicability of the device is improved.
[0026] The working principle of the utility model is: in the device use engineering, the user sits on the upper end of the training seat 1, puts the legs into the middle part of the support rod 6 and the adjusting assembly 13, lifts the legs, makes the legs contact with the moving rod 131, drives the training leg 4 to lift, makes the training leg 4 drive the support rod 6 to lift along the inside of the first movable seat 5, makes the support rod 6 drive the support sleeve 8 to move along the inside of the telescopic rod 7, simultaneously drives the limiting block 11 to slide along the inside of the limiting groove 10, the damping spring 12 is stretched, in the telescopic movement of the telescopic rod 7 and the support sleeve 8, the two groups of second movable seats 9 are rotatably arranged along the support rod 6 and the training seat 1 respectively, so that the leg damping lifting operation is carried out, when the resistance needs to be adjusted, the adjusting assembly 13 is adjusted through the control panel 3, the moving rod 131 is moved to the upper part of the leg, and the knee joint strength training of different resistance is carried out.
[0027] It should be noted that by adjusting the setting of the adjusting assembly 13, when the resistance of the device needs to be adjusted, the output ends of the two groups of electric push rods 136 are controlled to retract synchronously by the control panel 3, thereby driving the two groups of sliding blocks 132 to slide along the inside of the sliding grooves 134, and driving the auxiliary blocks 133 to slide along the inside of the auxiliary grooves 135, driving the moving rod 131 to move until it is adjusted to a position suitable for the user himself, and the output end of the electric push rod 136 is controlled to stop running by the control panel 3, thereby adjusting and controlling the position of the moving rod 131, and adjusting the resistance.
[0028] It should be noted that due to the different positions of the moving rod 131, the resistance required to lift the training leg 4 by the leg is different, and the resistance of the device can be changed by adjusting the position of the moving rod 131 to meet the use requirements.
[0029] The above is only the preferred embodiment of the present application, and it should be noted that for those skilled in the art, without departing from the principle of the present application, some improvements and refinements can be made, and these improvements and refinements should also be considered as the protection scope of the present application. The structures, devices and operation methods not specifically described and explained in the present application, if not specially described and limited, are implemented according to the conventional means in the art.
Claims
1. An adjustable controlled knee joint strength training device comprising a training seat (1), characterized in that, The upper end of the training seat (1) is provided with an armrest (2), the outer side of the armrest (2) is provided with a control panel (3), one side of the training seat (1) is provided with a training leg (4), a first movable seat (5) is arranged between the training seat (1) and the training leg (4), one side of the training leg (4) is provided with a support rod (6), a damping structure is arranged between the support rod (6) and the training seat (1), and an adjusting assembly (13) is arranged at the middle of the training leg (4). The damping structure comprises a telescopic rod (7), a support sleeve (8), a limiting groove (10), a limiting block (11) and a damping spring (12), and the ends of the telescopic rod (7) and the support sleeve (8) are provided with second movable seats (9). The adjusting assembly (13) comprises a moving rod (131), the outer side of the moving rod (131) is provided with a sliding block (132), the outer side of the sliding block (132) is provided with an auxiliary block (133), one side of the training leg (4) is provided with a sliding groove (134) and an auxiliary groove (135), and the inside of the sliding groove (134) is provided with an electric push rod (136).
2. An adjustable controlled knee joint strength training device according to claim 1, characterized in that The training seat (1) and the armrest (2) are fixedly connected, the number of the armrest (2) is two and is symmetrically distributed, the outer side of the control panel (3) is provided with control buttons and a display screen, and the inside of the control panel (3) is provided with a control circuit board and a battery.
3. An adjustable controlled knee extension strength training device according to claim 1, wherein, The number of the training leg (4) is two and is symmetrically distributed, the training leg (4) and the training seat (1) are movably connected through the first movable seat (5), and the two ends of the support rod (6) are fixedly connected with the two training legs (4) respectively.
4. An adjustable controlled knee joint strength training device according to claim 1, characterized in that, The telescopic rod (7) and the training seat (1) are movably connected through the second movable seat (9), the support sleeve (8) and the support rod (6) are movably connected through the second movable seat (9), the limiting groove (10) and the limiting block (11) are matched, the limiting block (11) and the support sleeve (8) are fixedly connected, and the two ends of the damping spring (12) are connected with the limiting block (11) and the limiting groove (10) respectively.
5. An adjustable controlled knee joint strength training device according to claim 1, wherein, The moving rod (131) is in a cylindrical structure, the outer side of the moving rod (131) is provided with a rubber sleeve, the sliding block (132) and the moving rod (131) are fixedly connected, the number of the sliding block (132) is two and is symmetrically distributed, and the auxiliary block (133) and the sliding block (132) are fixedly connected.
6. An adjustable controlled knee joint strength training device according to claim 1, wherein, The sliding block (132) and the sliding groove (134) are matched, the sliding groove (134) and the auxiliary groove (135) are communicated, the auxiliary groove (135) and the auxiliary block (133) are matched, the output end of the electric push rod (136) and the sliding block (132) are fixedly connected, the number of the electric push rod (136) is two and is symmetrically distributed, and the electric push rod (136) and the control panel (3) are electrically connected.