Strength training machine
By designing an adjustable support frame and linkage structure, the strength training machine solves the problem that existing equipment cannot train from multiple angles, provides diverse resistance adjustment methods, meets the personalized needs of different users, and improves training effectiveness and safety.
Patent Information
- Application Number
- CN202520411772.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-10
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-03-10
AI Technical Summary
Existing strength training machines are limited in their usage and cannot meet the needs of multi-angle training, resulting in reduced training effectiveness and increased risk of injury.
A strength training machine was designed, which allows users to perform muscle strength training in both upright and non-upright postures through an adjustable support frame and linkage structure. Combined with an adjustable resistance source and elastic element, it can meet the personalized needs of different users.
It achieves comfort and efficiency in multi-angle training, reduces direct stress and wear during training, extends equipment lifespan, and improves training effectiveness and safety.
Smart Images

Figure CN223944850U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to body -building apparatus technical field especially, it is a kind of strength training machine. BACKGROUND
[0002] In modern fitness field, strength training machine is a kind of common strength training equipment, is used to exercise back muscle and core muscle group.
[0003] However, part of equipment only supports the use in upright state, cannot satisfy more angle training demand, or cannot stabilize body posture under the premise of expanding use mode, will reduce the exercise effect and increase the risk of injury.
[0004] The above-mentioned problems limit the performance of existing equipment in functionality. UTILITY MODEL CONTENTS
[0005] In view of the deficiencies in the related art, the utility model provides a strength training machine, to provide a kind of comfortable and efficient training experience for user.
[0006] To achieve the above-mentioned purpose, the utility model provides a strength training machine, including bottom frame and the support frame and handlebar being arranged on the bottom frame, the support frame further includes:
[0007] First support part, is erected on the bottom frame;
[0008] Second support part, with the angle adjustable mode connection first support part;
[0009] Pedal part, connection second support part;
[0010] By adjusting the angle between second support part and first support part, to switch leg upright posture or non-upright posture to bend down movement and carry out muscle strength training.Specifically, first support part, second support part are arranged as frame structure, and support pad is arranged on the top of frame, and pedal part is the footboard with anti-skid line.
[0011] In some embodiments, the training machine further includes:
[0012] Training arm, one end is hinged to the rear end of bottom frame, and the other end is free end, handlebar is arranged on the free end, and load part is arranged on the training arm;
[0013] Based on the above structure, when user prone position holds handlebar and stands up, can drive training arm to rotate and lift load part by rotating around the rear end of training arm.
[0014] In some embodiments, the training machine further includes:
[0015] a power arm, one end of which is hinged to the front end of the chassis, and the load part is arranged at the other end of the power arm;
[0016] The power arm and the training arm are connected through a connecting rod.
[0017] Based on the above structure, when the user performs a sit-up while holding the handle, the training arm is driven to rotate around the rear end rotation point, and in turn drives the one end of the connecting rod to move upward, and the upward movement and force are transmitted between the training arm and the power arm through the connecting rod, driving the power arm to rotate around the front end rotation point, so that a linkage system is formed between the training arm and the power arm. The counter-pulling force or gravity provided by the load part provides resistance against the sit-up action, thereby achieving the purpose of effectively exercising the back muscles.
[0018] In some embodiments, the second support part is hinged or clamped to the first support part through a first angle adjusting mechanism.
[0019] In some embodiments, the first angle adjusting mechanism comprises:
[0020] A first member is fixedly arranged on the first support part, and the first member is provided with a first positioning hole and a second positioning hole, and the line connecting the hinge points between the first positioning hole, the second positioning hole, the first support part and the second support part is at right angles; or, the line connecting the hinge points between the first positioning hole, the second positioning hole, the first support part and the second support part is perpendicular to the frame body of the first support part, and the line connecting the hinge points between the first positioning hole, the second positioning hole, the first support part and the second support part is parallel to the frame body of the first support part.
[0021] A second member is fixedly arranged on the first end of the second support part, and the second member comprises a hinge shaft and connecting lugs arranged at both ends of the hinge shaft, and at least one side of the connecting lugs is detachably provided with a first connecting piece, and the first connecting piece is used to switchably lock the connecting lugs with the first positioning hole and the second positioning hole, and the first connecting piece is an adjusting pin installed through the connecting lug, and the adjusting pin is inserted into the first positioning hole or the second positioning hole through the connecting lug.
[0022] In some embodiments, the handle is connected to the free end through a second angle adjusting mechanism, and the handle can be adjusted to a desired position to adapt to different heights and user preferences.
[0023] In some embodiments, the second angle adjusting mechanism comprises:
[0024] A third member is fixedly arranged on the training arm, and the third member is provided with positioning holes of different angles.
[0025] A fourth component is hinged to the third component, the fourth component is connected with or integrated with the handle, and a second connecting piece is detachably arranged on the fourth component to lock the fourth component and the third component.
[0026] In some embodiments, the load part is arranged as a weight rod for hanging weight plates or the like.
[0027] In some embodiments, a transmission part is arranged on the base frame, one end of the transmission part is connected with the handle, and the other end of the transmission part is connected with the resistance source.
[0028] In some embodiments, the footrest part is telescopically connected to the second end of the second support part.
[0029] In some embodiments, the footrest part comprises a pedal and a footrest rod arranged at the rear side of the pedal.
[0030] In some embodiments, at least one hanging rod is further arranged on each of the training arm and the power arm, and an elastic piece can be hung between the hanging rods of the training arm and the power arm.
[0031] Based on the above technical solution, the power training machine provided in the embodiments of the present application meets the body types and training requirements of different users through the first and second angle adjusting mechanisms, ensures effective transmission and dispersion of power during the training process through linkage of the training arm and the power arm, reduces direct stress and wear of the training arm, the power arm and their connecting parts, thereby prolonging the service life of the training machine, allows the handle to adjust the angle of the training arm, further meets the individualized requirements of users, ensures the targeting and comfort of the training, and provides diversified resistance adjusting modes. BRIEF DESCRIPTION OF DRAWINGS
[0032] The accompanying drawings, which are included to provide a further understanding of the present application and constitute a part of this application, illustrate embodiments of the present application and, together with the description, serve to explain the present application. In the drawings:
[0033] Figure 1 FIG. 1 is a structural schematic view of a power training machine according to the present application;
[0034] Figure 2 FIG. 2 is another angle structural schematic view of the power training machine according to the present application;
[0035] Figure 3 FIG. 3 is a side structural schematic view of the power training machine according to the present application;
[0036] Figure 4 FIG. 4 is a structural schematic view of a support frame angle switching state of the power training machine according to the present application;
[0037] Figure 5 Figure 1 is a top view of the strength training machine of the present application.
[0038] In the figure:
[0039] 1, base frame; 2, support frame; 3, handle; 4, training arm; 5, power arm; 6, connecting rod;
[0040] 7, second angle adjusting mechanism;
[0041] 21, first support part; 22, second support part; 23, foot support part; 24, first angle adjusting mechanism;
[0042] 241, first positioning hole; 242, second positioning hole; 243, connecting ear; 244, adjusting pin;
[0043] 51, counterweight rod;
[0044] 71, positioning disc; 711, positioning hole; 72, rotating piece; 721, latch. DETAILED DESCRIPTION
[0045] The technical solutions in the embodiments will be described clearly and completely 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 of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0046] In the description of the present application, it should be understood that the terms "center", "transverse", "longitudinal", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.
[0047] The terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second", "third" can explicitly or implicitly include one or more of the features.
[0048] In the description of the utility model, it needs to explain, unless another explicit provision and limitation, term "installation", "link", "connection" should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected, can be direct connection, also can be indirectly connected through intermediate medium, can be two elements inside the communication, for ordinary skilled in the art, can understand the specific meaning of the above terms in the utility model with specific circumstances.
[0049] Reference Figures 1 to 3 As shown in the utility model strength training machine one illustrative embodiment, the strength training machine includes:
[0050] Chassis 1 and set up on the chassis 1 support frame 2, handle 3, handle 3 connects a resistance source, provides adjustable training load for back stretching training.Support frame 2 further includes: first support 21, second support 22, foot pedal 23, wherein, in combination with the accompanying Figure 3 As shown, the first support 21 is erected on the chassis 1 through a stand, which provides a stable foundation support, the stand side is further provided with auxiliary foot pedal, the first support 21 both sides are further provided with auxiliary handrails, the second support 22 is connected to the first support 21 in an angle adjustable manner, by adjusting the angle between the second support 22 and the first support 21, the muscle strength training is carried out in the switching leg straight posture or non straight posture crouching movement; Foot pedal 23 is connected to second support 22. Specifically, the first support 21, the second support 22 are provided as a frame structure, a support pad is provided above the frame, and the foot pedal 23 is a foot pedal provided with anti-skid lines.
[0051] Based on the above structure, in order to provide a kind of equipment suitable for different user body shape and training demand, improve the pertinence and comfort of training, by being provided with first angle adjusting mechanism 24 in support frame 2, so that second support 22 can be flexibly adjusted the angle relative to the first support 21, user can freely adjust the angle of support structure according to training target.
[0052] When user is training, both feet are placed in foot pedal 23, hand holds handle 3, by straightening action, pull handle 3, overcome the resistance of resistance source to complete training. During training, user can adjust first angle adjusting mechanism 24, select the included angle between second support 22 and first support 21, to adapt to different training needs.
[0053] In another embodiment, reference Figure 1 , Figure 3As shown, the training machine further comprises a training arm 4, one end of which is hinged to the rear end of the base frame 1, and the other end is a free end, and a load part is arranged on the training arm 4, and the handle 3 is arranged at the free end, and a counterweight is arranged at the hinged end, i.e. the rear end of the training arm 4, for assisting in balancing the training arm 4, facilitating the user to lift the handle 3, at this time, the training arm can be directly hung with a barbell plate, and the training resistance is provided by forming a confrontation with the sit-up action.
[0054] In view of the fact that the training arm 4 directly bears the weight of the barbell plate during use, which causes the training arm 4 and the connecting parts to bear a large stress and wear, with reference to Figure 1 、 Figure 3 the application further provides a power arm 5 for cooperating with the training arm 4 to form a linkage mechanism. One end of the power arm 5 is hinged to the front end of the base frame 1, and the other end is provided with a load part; the power arm 5 and the training arm 4 are connected through a connecting rod 6.
[0055] The embodiment of the application provides a structure for dispersing and buffering force by the training arm 4, the power arm 5 and the connecting rod 6, thereby prolonging the service life of the training arm 4. In addition, the training needs and physical conditions of different users can be more easily adapted by adjusting the length or angle of the connecting rod 6 and the training arm 4.
[0056] Based on the above structure, when the user lies down and holds the handle 3 to perform a sit-up, the training arm 4 is driven to rotate around the rear end rotation point thereof, thereby driving the one end of the connecting rod 6 to move upward, and the upward movement and force are transmitted between the training arm 4 and the power arm 5 through the connecting rod 6, thereby driving the power arm 5 to rotate around the front end rotation point thereof, so that a linkage system is formed between the training arm 4 and the power arm 5, and the reverse pulling force or gravity provided by the load part forms a confrontation with the sit-up action to provide resistance, thereby achieving the purpose of effectively exercising the back muscles.
[0057] In the above embodiment, the second support part 22 is hinged to the first support part 21 through the first angle adjusting mechanism 24. As shown in Figure 2 、 Figure 4 the first angle adjusting mechanism 24 realizes the angle adjustment between the first support part 21 and the second support part 22 through a first member and a second member. The first member is fixedly arranged on the first support part 21, and the first member is provided with a first positioning hole 241 and a second positioning hole 242. The second member is fixedly arranged on the first end of the second support part 22, and the second member comprises a hinge shaft and a connecting lug 243 arranged at both ends of the hinge shaft. At least one side of the connecting lug 243 is detachably provided with a first connecting piece. The first connecting piece is used for switchably locking the connecting lug 243 with the first positioning hole 241 and the second positioning hole 242. The first connecting piece is an adjusting pin 244 which is installed through the connecting lug 243, and the adjusting pin 244 is inserted into the first positioning hole 241 or the second positioning hole 242 through the connecting lug 243.
[0058] In another embodiment, in order to realize at least two training postures, the first positioning hole 241 and the line connecting the hinge points between the first support part 21 and the second support part 22 are at right angles; or, the first positioning hole 241 and the line connecting the hinge points between the first support part 21 and the second support part 22 are perpendicular to the frame body of the first support part 21, and the second positioning hole 242 and the line connecting the hinge points between the first support part 21 and the second support part 22 are parallel to the frame body of the first support part 21. In addition, in order to provide more training angles, a plurality of positioning holes can be further arranged on the first member.
[0059] As shown in Figure 3 , the adjusting pin 244 is inserted into the first positioning hole 241, and the first support part 21 and the second support part 22 are in a straight line or at least close to a straight line, for the user to use in an upright state, the user bends down to pull the handle 3, the resistance source provides a movement load, and the movement effect is achieved;
[0060] As shown in Figure 4 , when the user uses the legs to bend, the adjusting pin 244 is pulled to be inserted into the second positioning hole 242, the second support part 22 is rotated to form a V-shaped posture with the first support part 21 or an arbitrary angle less than 180 degrees, the adjusting pin 244 is inserted, and the footrest part is adjusted to a suitable position to repeat the bending movement in the upright state to achieve the training effect. At this time, compared with the upright use scene shown in Figure 3 , the hip muscle group can be more effectively stimulated, and more power will be concentrated on the hip muscles during the training process, so that the hip muscles can be more effectively isolated and stimulated, and the participation of the leg muscles can be reduced.
[0061] In another embodiment, referring to Figure 3 , the handle 3 is connected to the free end through a second angle adjusting mechanism 7, and the handle 3 can be adjusted to a desired position to adapt to different heights and user preferences.
[0062] The second angle adjusting mechanism 7 comprises a third member and a fourth member for angle adjustment, the third member is fixedly arranged on the training arm 4, and the third member is provided with positioning holes 711 of different angles; optionally, the third member is a positioning disc 71, and the positioning disc 71 is arranged in a fan-shaped structure and is provided with the positioning holes 711 along the outer peripheral shape.
[0063] The fourth member is hingedly connected to the third member, the fourth member is connected to or integrally formed with the handle 3, and the fourth member is detachably provided with a second connecting piece, and the second connecting piece locks the fourth member and the third member.
[0064] In this embodiment, the fourth component, which cooperates with the third component, is a rotating member 72 that is hinged or extended to the far end of the handle 3. The second connecting member is a pin 721, which is installed through the rotating member 72. After the handle 3 adjusts the angle between itself and the training arm 4 through the rotating member 72, it is locked and positioned by the pin 721 and the positioning plate 71. This makes the operation convenient and prevents slippage.
[0065] The strength training machine of this application embodiment can provide the connection and force transmission of various resistance source structures.
[0066] In some embodiments, reference Figure 5 As shown, the load section is configured as a counterweight rod 51, which is used to hang counterweights such as barbell plates as a resistance source.
[0067] In another embodiment, a transmission component is provided on the base frame 1, with one end connected to the handle 3 and the other end connected to a resistance source. Optionally, the transmission component is a steel cable, which can be connected to the resistance source via a pulley structure on the base frame 1. Correspondingly, the resistance source can be a plate-type resistance mechanism, a motor-driven resistance mechanism, or other mechanisms that can transmit resistance via a steel cable as an extension of the resistance source structure here. This embodiment can also be applied to the training arm 4 and / or the power arm 5 as a resistance source, with the training arm 4 and power arm 5 connected to the handle 3 by a steel cable. Alternatively, a combination of barbell plate-type counterweights can be used to provide multiple resistance sources for the user to choose from.
[0068] In another embodiment, at least one hanging rod is also provided on the training arm 4 and the power arm 5 respectively, and the two hanging rods are arranged opposite each other. An elastic element, such as an elastic band, can be hung between the hanging rods of the training arm 4 and the power arm 5.
[0069] Based on this elastic element, an additional elastic resistance source can be formed. Multiple resistance sources can be combined to achieve adjustable and diverse training loads, making the resistance adjustment options of the training machine more abundant and meeting the needs of beginners to high-intensity trainers. Users can select the appropriate elastic element according to their needs and flexibly adjust the training resistance.
[0070] In addition, to meet the needs of users with different heights, refer to Figure 4 As shown, the foot pedal 23 is telescopically connected to the second end of the second support 22. The connecting frame of the foot pedal 23 and the mating part with the second support 22 are provided with adjustment holes and adjustment pins. Users can adjust the length between the foot pedal 23 and the second support 22 according to their height to improve the comfort during exercise.
[0071] In some embodiments, the foot pedal 23 includes a pedal and a foot lever, the foot lever being disposed behind the pedal to abut against the back of the user's ankle to maintain postural stability.
[0072] In conclusion, the power training machine provided in the embodiments of the present application meets the body types and training requirements of different users through the first and second angle adjusting mechanisms, ensures effective transmission and dispersion of power during the training process through linkage of the training arm 4 and the power arm 5, reduces direct stress and abrasion of the training arm 4 or the power arm 5 and the connecting parts thereof, thereby prolonging the service life of the training machine; and also allows angle adjustment of the handle 3 relative to the training arm, further meets the individualized requirements of the user, ensures the pertinence and comfort of the training, and provides diversified resistance adjusting modes.
[0073] It should be noted that: the various embodiments in the specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments.
[0074] The above embodiments are only used to illustrate the technical solutions of the present application but not to limit it; although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the specific embodiments of the present application can be modified or some technical features can be replaced by equivalent ones; without departing from the spirit of the technical solutions of the present application, they should be covered in the technical solution range of the present application claimed.
Claims
1. A power training machine comprising a base frame and a support frame and a handle provided on the base frame, characterized in that, The support frame further comprises: a first support part arranged on the base frame; a second support part connected to the first support part in an angle-adjustable manner; a footrest part connected to the second support part; by adjusting the angle between the second support part and the first support part, the muscle strength training in the straight-up posture or the non-straight-up posture is switched.
2. The strength training machine of claim 1, wherein, Further comprising: a training arm hingedly connected to the rear end of the base frame, the other end of the training arm being a free end, the handle being arranged on the free end, and a load part being arranged on the training arm.
3. The strength training machine of claim 2, wherein, Further comprising: a power arm hingedly connected to the front end of the base frame, the load part being arranged on the other end of the power arm; the power arm and the training arm are connected through a connecting rod.
4. The strength training machine of any one of claims 1 to 3, wherein, The second support part is hingedly or clamped to the first support part through a first angle adjusting mechanism.
5. The strength training machine of claim 4, wherein, The first angle adjusting mechanism comprises: a first member fixedly arranged on the first support part, the first member being provided with a first positioning hole and a second positioning hole; a second member fixedly arranged on the first end of the second support part, the second member comprising a hinge shaft and connecting lugs arranged on both ends of the hinge shaft, at least one side of the connecting lugs being detachably provided with a first connecting piece, the first connecting piece being used to switchably lock the connecting lugs with the first positioning hole and the second positioning hole.
6. The strength training machine of claim 2 or 3, wherein, The handle is connected to the free end through a second angle adjusting mechanism.
7. The strength training machine of claim 6, wherein, The second angle adjusting mechanism comprises: a third member fixedly arranged on the training arm, the third member being provided with positioning holes of different angles; a fourth member hingedly arranged on the third member, the fourth member being connected with or integrally formed with the handle, the fourth member being detachably provided with a second connecting piece, the second connecting piece being used to lock the fourth member with the third member.
8. The strength training machine of claim 1, wherein, A transmission member is arranged on the base frame, one end of the transmission member being connected with the handle, and the other end of the transmission member being connected with a resistance source.
9. The strength training machine of any one of claims 1 to 3, wherein, The footrest part is telescopically connected to the second end of the second support part.
10. The strength training machine of claim 9, wherein, The footrest part comprises a pedal and a footrest rod, the footrest rod being arranged on the rear side of the pedal.
11. The strength training machine of claim 3, wherein, At least one hanging rod is further arranged on the training arm and the power arm respectively, and elastic members can be hung between the hanging rods of the training arm and the power arm.