Sitting posture heel raising trainer with protective structure
By designing the protective structure of the limit block, stop block and lifting components in the sitting heel lift trainer, the continuous downward swing of the pressure arm caused by powertrain failure and loss of control is solved, ensuring the safety of the trainer.
Patent Information
- Application Number
- CN202421375772.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-17
- Publication Date
- 2025-06-24
- Estimated Expiration
- 2034-06-17
AI Technical Summary
When the powertrain fails and loses control, the existing sitting heel lift trainer may cause the pressing arm to continue to swing downward, causing safety risks of damaging the trainer's calf.
A seated heel lift trainer with a protective structure is designed, and a protective structure composed of a limiting block, a stop block and a lifting component is restricted from the forward end of the pressing arm to continuously swing downward.
It effectively avoids the trainer's calf being crushed by the pressing arm and eliminates safety risks.
Smart Images
Figure CN223009731U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of seated heel raise training devices, in particular to a seated heel raise training device with a protective structure. Background Art
[0002] The seated heel raise trainer is a training device for training calf muscles. The seated heel raise trainer currently on the market includes a frame, a power assembly and two pressing arms that are symmetrically arranged on the left and right; a seat is connected to the front side of the frame, and two pedals that are symmetrically arranged on the left and right are fixed to the middle part of the frame, the pedals are used to support the feet of the trainee, the power assembly is fixed to the inner side of the frame, the rear ends of the two pressing arms are rotatably connected to the rear side of the frame, and the front parts of the two pressing arms are respectively transmission-connected to one end of the rotating shaft in the power assembly, and the power assembly is used to drive the front ends of the pressing arms to swing up and down, and when the front ends of the pressing arms swing downward, the front ends of the pressing arms are used to abut against the trainee's knees and press the trainee's calves against the pedals; however, during the use of the above-mentioned seated heel raise trainer, if the power assembly fails to control and drives the front ends of the pressing arms to swing continuously downward, it will cause crushing injuries to the trainee's calves, that is, there is a great safety hazard. Utility Model Content
[0003] The technical problem to be solved by the utility model is to provide a seated heel raise trainer with a protective structure. When the power assembly inside the seated heel raise trainer fails to control due to a malfunction, the protective structure composed of a limit block, a stopper and a lifting assembly can limit the front end of the pressing arm from continuously swinging downward, thereby effectively preventing the trainee's calf from being crushed by the pressing arm, thereby eliminating safety hazards.
[0004] The utility model provides a seated heel-raising training device with a protective structure, comprising a frame, a power assembly and two pressing arms symmetrically arranged on the left and right sides; a seat is connected to the front side of the frame, two footrests symmetrically arranged on the middle part of the frame are fixed, the footrests are used to support the feet of a trainee, the power assembly is fixed on the inner side of the frame, the rear ends of the two pressing arms are rotatably connected to the rear side of the frame, the front parts of the two pressing arms are respectively connected to one end of a rotating shaft in the power assembly for transmission, the power assembly is used to drive the front end of the pressing arm to swing up and down, when the front end of the pressing arm swings downward, the front end of the pressing arm is used to abut against the knee of the trainee and press the calf of the trainee against the footrest; the seated heel-raising training device also includes a limit block, a stopper and a lifting assembly; the lifting assembly is connected to the frame and used to drive the stopper to move vertically, the stopper is fixed on the lifting end of the lifting assembly, and the limit block is fixed on the outer wall of the rotating shaft; when the power assembly drives the front end of the pressing arm to swing continuously downward due to loss of control, the limit block is used to abut against the stopper to limit the front end of the pressing arm from swinging continuously downward.
[0005] After the present utility model adopts the above structure, when the power assembly inside it gets out of control due to a fault, the protection structure composed of a limit block, a stop block and a lifting assembly can limit the front end of the pressing arm from continuously swinging downward, thereby effectively avoiding the situation that the calf of the trainer is crushed by the pressing arm, that is, eliminating the potential safety hazard.
[0006] In a possible implementation manner, the lifting assembly includes an electric push rod, a top rod and a guide sleeve; the guide sleeve is fixed on the frame, the top rod is vertically movably arranged in the guide sleeve, the lower end of the electric push rod is rotatably connected to the frame, and the upper end of the electric push rod is rotatably connected to the lower end of the top rod; the stop block is fixed to the upper end of the top rod; when the electric push rod expands and contracts, the electric push rod is used to drive the top rod to move vertically to adjust the vertical position of the stop block; after adopting this kind of lifting assembly, when the electric push rod extends, the electric push rod can push the top rod to move the top rod upward, so that the top rod can push the stop block upward; when the electric push rod contracts, the electric push rod can pull the top rod to move downward, so that the top rod can pull the stop block downward; this lifting assembly has the advantage of simple structure. In addition, the height of the stop block can be conveniently adjusted to a proper state.
[0007] In a possible implementation manner, a first hinge seat is fixed on the frame, and the lower end of the electric push rod is rotatably connected to the first hinge seat; a second hinge seat is fixed to the lower end of the top rod, and the upper end of the electric push rod is rotatably connected to the second hinge seat; after adopting this structure, the lower end of the electric push rod can be reliably rotatably connected to the frame through the first hinge seat, and the upper end of the electric push rod can be reliably rotatably connected to the lower end of the top rod through the second hinge seat.
[0008] In a possible implementation manner, a clamping sleeve is sleeved outside the rotating shaft, the clamping sleeve is clamped with the rotating shaft, and the limit block is fixed on the outer wall of the clamping sleeve; after adopting this structure, the limit block can be reliably and conveniently fixed on the outer wall of the rotating shaft; and when the clamping sleeve releases the clamping state with the rotating shaft, the limit block can rotate circumferentially relative to the rotating shaft to adjust the circumferential position of the limit block relative to the rotating shaft. After the circumferential position of the limit block relative to the rotating shaft is adjusted, the clamping sleeve can be made to clamp on the outer wall of the rotating shaft again.
[0009] In a possible implementation manner, the seated calf raise trainer further includes two connecting rods and two transmission rods; one ends of the two connecting rods are respectively fixed to one end of the rotating shaft, one ends of the two transmission rods are respectively rotatably connected to the other ends of the two connecting rods, and the other ends of the two transmission rods are respectively rotatably connected to the front parts of the corresponding pressing arms; after adopting this structure, when the rotating shaft rotates, under the combined action of the connecting rods and the rotating rods, the front end of the pressing arm can be reliably driven to swing upward or downward. Description of the Drawings
[0010] Figure 1This is the first three-dimensional structural schematic diagram of the present utility model;
[0011] Figure 2 This is the second three-dimensional structural schematic diagram of the present utility model. Detailed implementation manners
[0012] First of all, those skilled in the art should understand that these implementation manners are only used to explain the technical principles of the embodiments of this application, and are not intended to limit the protection scope of the embodiments of this application. Those skilled in the art can make adjustments according to needs to adapt to specific application scenarios.
[0013] In the description of the embodiments of this application, it should be noted that unless otherwise clearly specified and limited, the terms "connected" and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the embodiments of this application can be understood according to specific situations.
[0014] In the embodiments of this application, unless otherwise clearly specified and limited, the first feature being "on" or "under" the second feature can 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" the second feature can 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 "under" the second feature can 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.
[0015] The following further details this application in conjunction with the accompanying drawings and specific embodiments.
[0016] See Figure 1-2As shown, the embodiment of the present application discloses a seated heel raise trainer with a protective structure, including a frame 1, a power assembly 2 and two pressing arms 3 which are symmetrically arranged on the left and right sides; a seat 4 is connected to the front side of the frame 1, and two footrests 5 which are symmetrically arranged on the left and right sides are fixed to the middle part of the frame 1, and the footrests 5 are used to support the feet of the trainee, the power assembly 2 is fixed to the inner side of the frame 1, and the rear ends of the two pressing arms 3 are rotatably connected to the rear side of the frame 1, and the front parts of the two pressing arms 3 are respectively connected to one end of the rotating shaft 21 in the power assembly 2, and the power assembly 2 is used to drive the front ends of the pressing arms 3. It swings up and down. When the front end of the pressing arm 3 swings downward, the front end of the pressing arm 3 is used to abut against the trainee's knee and press the trainee's calf against the footrest 5. The seated heel raise trainer also includes a limit block 6, a stop block 7 and a lifting assembly. The lifting assembly is connected to the frame 1 and is used to drive the stop block 7 to move vertically. The stop block 7 is fixed on the lifting end of the lifting assembly, and the limit block 6 is fixed on the outer wall of the rotating shaft 21. When the power assembly 2 drives the front end of the pressing arm 3 to swing continuously downward due to loss of control, the limit block 6 is used to abut against the stop block 7 to limit the front end of the pressing arm 3 from swinging continuously downward.
[0017] When the utility model is in use, after the trainee has set the lower limit position of the downward swinging front end of the pressure arm driven by the power assembly through the controller in the seated calf raise trainer, the controller in the seated calf raise trainer can automatically control the lifting component to adjust the vertical position of the stopper (after the power assembly drives the front end of the pressure arm to swing downward to the lower limit position, the position of the limit block is slightly higher than the vertical position of the stopper); during the use of the utility model, when the power assembly inside the utility model is out of control due to a malfunction, the limit block can abut against the stopper to limit the continuous downward swinging of the front end of the pressure arm, thereby effectively preventing the trainee's calf from being crushed by the pressure arm, thereby eliminating the safety hazard.
[0018] The lifting assembly includes an electric push rod 81, a push rod 82 and a guide sleeve 83; the guide sleeve 83 is fixed on the frame 1, and the push rod 82 is vertically movably arranged in the guide sleeve 83; the lower end of the electric push rod 81 is rotatably connected to the frame 1, the upper end of the electric push rod 81 is rotatably connected to the lower end of the push rod 82, and the stopper 7 is fixed to the upper end of the push rod 82; when the electric push rod 81 is extended or retracted, the electric push rod 81 is used to drive the push rod 82 to move vertically to adjust the vertical position of the stopper 7; by adopting this lifting assembly, when the electric push rod is extended, the electric push rod can push the push rod to move the push rod upward, thereby making the push rod push the stopper to move upward; when the electric push rod is retracted, the electric push rod can pull the push rod to move downward, thereby making the push rod pull the stopper to move downward; the lifting assembly has the advantage of simple structure, and in addition, the height of the stopper can be easily adjusted to a suitable state.
[0019] A first hinge seat 84 is fixed on the frame 1, and the lower end of the electric push rod 81 is rotatably connected to the first hinge seat 84; a second hinge seat 85 is fixed to the lower end of the ejector rod 82, and the upper end of the electric push rod 81 is rotatably connected to the second hinge seat 85; by adopting this structure, the lower end of the electric push rod can be reliably rotatably connected to the frame through the first hinge seat, and the upper end of the electric push rod can be reliably rotatably connected to the lower end of the ejector rod through the second hinge seat.
[0020] A jacket 22 is sleeved outside the rotating shaft 21, the jacket 22 is clamped with the rotating shaft 21, and the limiting block 6 is fixed on the outer wall of the jacket 22; by adopting this structure, the limiting block can be reliably and conveniently fixed on the outer wall of the rotating shaft; and when the jacket releases the clamped state with the rotating shaft, the limiting block can be rotated circumferentially relative to the rotating shaft to adjust the circumferential position of the limiting block relative to the rotating shaft. After the circumferential position of the limiting block relative to the rotating shaft is adjusted, the jacket is clamped on the outer wall of the rotating shaft again.
[0021] The sitting calf raise trainer further includes two connecting rods 91 and two transmission rods 92; one ends of the two connecting rods 91 are respectively fixed to one end of the rotating shaft 21, one ends of the two transmission rods 92 are respectively rotatably connected to the other ends of the two connecting rods 91, and the other ends of the two transmission rods 92 are respectively rotatably connected to the front parts of the corresponding side pressing arms 3; by adopting this structure, when the rotating shaft rotates, the front end of the pressing arm can be reliably driven to swing up or down under the cooperation of the connecting rod and the rotating rod.
[0022] As described above, only the specific embodiments of the present application are provided, but the protection scope of the present application is not limited thereto. Any changes or substitutions that can be easily thought of by those skilled in the art within the technical scope disclosed in the present application should be covered by the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.
Claims
1. A seated heel raise trainer with a protective structure, comprising a frame (1), a power assembly (2) and two pressing arms (3) arranged symmetrically on the left and right; a seat (4) is connected to the front side of the frame (1); two footrests (5) arranged symmetrically on the left and right are fixed to the middle part of the frame (1); the footrests (5) are used to support the feet of a trainee; the power assembly (2) is fixed to the inner side of the frame (1); the rear ends of the two pressing arms (3) are rotatably connected to the rear side of the frame (1); the front ends of the two pressing arms (3) are respectively connected to one end of a rotating shaft (21) in the power assembly (2); the power assembly (2) is used to drive the front end of the pressing arm (3) to swing up and down; when the front end of the pressing arm (3) swings downward, the front end of the pressing arm (3) is used to abut against the trainee's knee and press the trainee's calf against the footrest (5); characterized in that: The seated heel raise trainer also includes a limit block (6), a stopper (7) and a lifting assembly; the lifting assembly is connected to the frame (1) and is used to drive the stopper (7) to move vertically, the stopper (7) is fixed to the lifting end of the lifting assembly, and the limit block (6) is fixed to the outer wall of the rotating shaft (21); when the power assembly (2) loses control and drives the front end of the pressing arm (3) to swing continuously downward, the limit block (6) is used to abut against the stopper (7) to limit the front end of the pressing arm (3) from swinging continuously downward.
2. The seated heel raise training device with a protective structure according to claim 1, characterized in that: The lifting assembly comprises an electric push rod (81), a push rod (82) and a guide sleeve (83); the guide sleeve (83) is fixed on the frame (1); the push rod (82) is vertically movably arranged in the guide sleeve (83); the lower end of the electric push rod (81) is rotatably connected to the frame (1); the upper end of the electric push rod (81) is rotatably connected to the lower end of the push rod (82); the stopper (7) is fixed to the upper end of the push rod (82); when the electric push rod (81) is extended or retracted, the electric push rod (81) is used to drive the push rod (82) to move vertically to adjust the vertical position of the stopper (7).
3. The seated heel raise training device with a protective structure according to claim 2, characterized in that: A first hinge seat (84) is fixed on the frame (1), and the lower end of the electric push rod (81) is rotatably connected to the first hinge seat (84); a second hinge seat (85) is fixed on the lower end of the push rod (82), and the upper end of the electric push rod (81) is rotatably connected to the second hinge seat (85).
4. The seated heel raise training device with a protective structure according to any one of claims 1 to 3, characterized in that: The outer sleeve of the rotating shaft (21) is provided with a jacket (22), the jacket (22) and the rotating shaft (21) are tightly embraced, and the limit block (6) is fixed on the outer wall of the jacket (22).
5. The seated heel raise training device with a protective structure according to any one of claims 1 to 3, characterized in that: The seated heel raise training device also includes two connecting rods (91) and two transmission rods (92); one end of the two connecting rods (91) is respectively fixed to one end of the rotating shaft (21), one end of the two transmission rods (92) is respectively rotatably connected to the other end of the two connecting rods (91), and the other end of the two transmission rods (92) is respectively rotatably connected to the front part of the pressure arm (3) on the corresponding side.