Holding rod assembly and strength training instrument
By introducing an adjustment rod into the grip assembly and allowing for sliding and rotational engagement with the grip body and connecting parts, and employing a threaded guide structure, stepless adjustment is achieved. This solves the problems of cumbersome adjustment and low precision in existing grip assemblies, and improves training adaptability and safety.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-20
- Publication Date
- 2026-04-03
AI Technical Summary
The grip components of existing strength training equipment are cumbersome to adjust and have low adjustment precision, making it difficult to meet the diverse needs of different trainees, resulting in poor training effects and safety risks.
Design a grip assembly that achieves stepless adjustment by using a threaded guide structure through sliding and rotational cooperation between the adjustment rod, the grip body, and the connecting parts, thereby improving the degree of freedom and accuracy of adjustment.
The adjustment process has been simplified, the adaptability and stability of the grip assembly have been improved, the needs of different trainees have been met, the risk of injury has been reduced, and the training effect has been ensured.
Smart Images
Figure CN224071065U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of fitness equipment, and in particular to a grip assembly and a strength training device. Background Technology
[0002] Strength training equipment has a wide range of applications, offering users diverse training modes based on its built-in training devices. In strength training equipment, the grip bar is tightly connected to the resistance device via a traction component, providing the user with a stable grip point and ensuring smooth transmission of resistance from the resistance device during strength training.
[0003] Generally, the position where the traction component extends from the strength training equipment is fixed. However, in actual training situations, due to differences in physical conditions, training preferences, and training programs among trainees, the position of the traction component and its connection point on the grip may change accordingly. This change may lead to uneven force on the grip and cause it to tilt, thus adversely affecting training effectiveness.
[0004] To address this challenge, existing technologies employ a method of creating multiple adjustment holes on the grip. The traction component connects to any one of these holes via a pin, thereby adjusting the relative position of the traction component and the grip. However, this adjustment method is quite cumbersome and can only be adjusted incrementally based on the position of the adjustment holes, resulting in limited precision and making it difficult to meet the diverse needs of various complex scenarios. Utility Model Content
[0005] The purpose of this utility model embodiment is to provide a grip assembly and a strength training device that can solve the above-mentioned problems existing in the prior art.
[0006] To achieve the above objectives, the present invention adopts the following technical solution:
[0007] In a first aspect, a grip assembly is provided for use in strength training equipment, comprising:
[0008] Grip body;
[0009] Adjusting rod, connected to the grip body; and
[0010] A connector, attached to the adjusting rod, and used to connect to the traction component of the strength training equipment;
[0011] The adjusting rod is configured to allow axial sliding relative to the grip body, and a guide structure is provided between the adjusting rod and the grip body for guiding the adjusting rod to any target position of the grip body; and / or, the connecting member is configured to allow axial sliding relative to the adjusting rod, and a guide structure is provided between the connecting member and the adjusting rod for guiding the connecting member to any target position of the adjusting rod.
[0012] Trainees can adjust the overall structure of the grip assembly and the position of the connecting parts by adjusting the adjustment rod and the grip body, and / or the connecting parts and the adjustment rod, according to actual training needs. This allows the grip assembly to be suitable for use in different scenarios. Furthermore, the components employ a sliding fit, enabling stepless adjustment of the connecting parts on the grip assembly. This not only improves the adjustment freedom and precision of the grip assembly, but the guide structure also guides the relevant components to any adjusted target position, making operation convenient.
[0013] As an optional implementation, with the adjusting rod allowed to slide axially relative to the grip body, the adjusting rod is configured to rotate relative to the grip body, and the adjusting rod and the grip body are configured to move axially relative to each other while rotating relative to each other.
[0014] With the connector allowed to slide axially relative to the adjusting rod, the connector is configured to rotate relative to the adjusting rod, and the connector and the adjusting rod are configured to move axially relative to each other while rotating relative to each other.
[0015] As an optional implementation, the guide structure is configured as a threaded pair.
[0016] As an optional implementation, the thread helix angle of the threaded pair is set to be greater than the friction angle.
[0017] As an optional implementation, both the adjusting rod and the connecting member are provided in pairs, with the two adjusting rods respectively located at opposite ends of the grip body and each provided with the connecting member.
[0018] As an optional implementation, the adjusting rod is detachably connected to the end of the grip body.
[0019] As an optional implementation, the guide structure is configured as a threaded pair, and the threads at both ends of the grip assembly have opposite directions of rotation.
[0020] As an optional implementation, the adjusting rod is configured to be fixedly connected to the grip body. The connecting member includes a connected sleeve portion and a rope connecting portion. The rope connecting portion is used to connect the traction component of the strength training device. The sleeve portion has an adjusting hole. The threaded pair includes an external thread surrounding the outer periphery of the adjusting rod and an internal thread in the adjusting hole. The connecting member is movably sleeved on the adjusting rod through the threaded pair.
[0021] As an optional implementation, the two connectors are rotated along the external threads of the outer periphery of their respective fitted adjusting rods to the ends of the external threads that are close to each other, and the two rope connectors are oriented in the same direction.
[0022] As an optional implementation, the ends of the two adjusting rods that are relatively far apart are provided with smooth rod sections for limiting the connector.
[0023] Secondly, a strength training device is provided, comprising:
[0024] The grip assembly as described in the first aspect; and
[0025] A base, wherein a resistance device is provided within the base, and the resistance device is connected to the connector via a traction member.
[0026] Trainees can adaptively adjust the position of the connector on the grip assembly to meet the needs of different types of trainees, different training programs, and even different types of strength training equipment. This ensures that the training resistance applied by the resistance device to the traction component is as perpendicular as possible to the axial direction of the grip assembly, thereby ensuring the training effect of the strength training equipment and reducing the risk of injury to the trainee.
[0027] The beneficial effects of this utility model are as follows: In the actual application scenario of strength training equipment, the grip bar body is used to provide the grip position for the trainee's hands. By adjusting the relative position of the grip bar body and the adjusting rod, and / or the relative position of the adjusting rod and the connecting piece, the relative position of the grip position and the connection point of the traction component can be adjusted, thereby meeting the needs of different trainees in various aspects.
[0028] By configuring the adjustment rod to slide in conjunction with the grip body, and / or configuring the connector to slide in conjunction with the adjustment rod, the grip position provided by the grip body and the connector can be infinitely adjusted. This not only improves the adjustment freedom and precision of the grip assembly, but also makes the entire adjustment process simple, smooth, and convenient to operate. The guide structure can also guide the relevant components to any target position after adjustment, ensuring smooth adjustment of the traction component and grip assembly, while also ensuring sufficient stability of the traction component after adjustment. This avoids relative slippage of relevant components during training, which could lead to injury to the trainee or damage to the equipment. Attached Figure Description
[0029] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments.
[0030] Figure 1 This is a schematic diagram of the grip assembly structure according to an embodiment of the present utility model;
[0031] Figure 2 This is an exploded view of the grip body and adjusting rod as described in an embodiment of the present invention;
[0032] Figure 3 This is a schematic diagram of the connector structure according to an embodiment of the present utility model;
[0033] Figure 4 This is a schematic diagram of the strength training device described in an embodiment of the present invention.
[0034] In the diagram: 10. Handle body; 11. Limiting platform; 20. Adjusting rod; 21. External thread; 22. Smooth rod section; 30. Connector; 31. Sleeve part; 311. Adjusting hole; 312. Internal thread; 313. Hanging ring; 32. Rope connection part; 321. Connector; 322. Connecting ring; 40. Traction component; 50. Base; 51. Stepping part; 52. Rope outlet. Detailed Implementation
[0035] To make the technical problems solved by this utility model, the technical solutions adopted, and the technical effects achieved clearer, the technical solutions of the embodiments of this utility model are further described in detail below. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.
[0036] In the description of this utility model, unless otherwise explicitly specified and limited, the terms "connected," "linked," and "fixed" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.
[0037] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.
[0038] Strength training equipment is an indispensable tool in the modern fitness field. Its applications are extremely wide-ranging, and through built-in training devices, it can simulate various training modes to meet diverse user fitness needs. In strength training equipment, the grip bar, as the key component in direct contact between the user and the machine, plays a crucial role. The design of the grip bar not only affects the user's training experience but also directly impacts training effectiveness and safety.
[0039] As can be understood from the background technology, the resistance device, as the core component of strength training equipment, is used to provide resistance for the trainee to overcome, while the traction component is responsible for smoothly transmitting the resistance generated by the resistance device to the grip bar. Because the resistance device is fixedly installed in the main unit of the strength training equipment, the position of the traction component extending from the main unit of the strength training equipment is predetermined.
[0040] However, in actual training situations, given the differences in physical conditions, training preferences, and training programs among trainees, the position of the traction component and its connection point on the grip will change accordingly. This change may lead to uneven force on the grip and cause it to tilt, which in turn will have an adverse effect on training effectiveness.
[0041] To address this challenge, existing technologies employ multiple adjustment holes on the grip bar. The traction component connects to any one of these holes via a pin, allowing for adjustment of the relative position between the traction component and the grip bar. However, this adjustment method is quite cumbersome. Each adjustment requires the user to first remove the pin from the adjustment hole, adjust the connection between the grip bar and the traction component, and then reinsert the pin into the corresponding hole, resulting in numerous steps. Furthermore, this method only allows for incremental adjustments based on the position of the adjustment holes, limiting its precision and making it unsuitable for diverse needs in various complex scenarios.
[0042] In view of this, this embodiment provides a grip assembly that can be applied to strength training equipment. By changing the way the grip body and the adjusting rod, and / or the adjusting rod and the connecting piece are matched in the assembly, the problems of high adjustment difficulty and low degree of freedom and precision in traditional grips are solved.
[0043] The application of this grip assembly in strength training equipment includes, but is not limited to, dumbbell racks and barbell racks, rowing machines, pull-up machines, and power stations. In these devices, the grip assembly serves as a support point, allowing trainees to perform strength training with various weights. Furthermore, the grip assembly can be detached from the relevant strength training equipment, enabling its use on different types of equipment. Thus, by designing the grip assembly to allow for stepless adjustment of related components, this invention also meets the connection requirements of various strength training devices for the grip assembly.
[0044] Please refer to the instruction manual attached. Figure 1 The grip assembly includes a grip body 10 and an adjustment rod 20. In some embodiments, the adjustment rod 20 is connected to the grip body 10, which serves as the reference and support point for the entire grip assembly, providing a part that the trainee can directly grip.
[0045] It is understood that this embodiment does not impose strict limitations or requirements on the relative position and relative structural state of the adjustment rod 20 and the grip body 10.
[0046] In some embodiments, the grip body 10 and the adjustment rod 20 are typically made of high-strength, corrosion-resistant metal materials, such as high-quality steel, aluminum alloy, or stainless steel, so that the grip assembly can withstand the high loads generated during training while maintaining structural stability and durability.
[0047] Based on the basic structure of the grip assembly described above, the grip assembly of this embodiment also includes a connector 30, which is connected to the adjusting rod 20 and is used to connect the traction member 40 of the strength training device. It is responsible for transmitting and converting force so that the training resistance provided by the resistance device of the strength training device is transmitted to the adjusting rod 20 through the traction member 40, so that the trainee can resist the resistance source by operating the grip body 10, thereby achieving the relevant training purpose.
[0048] It should be understood that in the design of strength training equipment, the resistance device is the key component that provides training resistance. It can be, but is not limited to, a weight stacking resistance source (adjusting the resistance by adding or removing counterweights), an elastic resistance source (using the deformation of elastic materials such as springs and elastic bands to generate resistance), a pneumatic cylinder resistance source (providing resistance through the gas pressure inside the pneumatic cylinder), or an electromagnetic resistance source (generating resistance through changes in the electromagnetic field).
[0049] Following the above embodiments, the traction component 40 can be, but is not limited to, components such as wire ropes, traction belts, and chains. In some embodiments, the traction component 40 is typically coupled to the base 50 of the strength training equipment via a pulley system. The pulley system includes multiple pulleys rotatably mounted on the base 50. By winding the traction component 40 around the corresponding pulleys, the pulleys can change the direction of resistance and reduce frictional losses during resistance transmission.
[0050] To address the fundamental problems raised in the background art, this embodiment provides the following ways of cooperating the above-mentioned components:
[0051] 1. The adjusting rod 20 is configured to allow axial sliding relative to the grip body 10, and a guide structure is provided between the adjusting rod 20 and the grip body 10 for guiding the adjusting rod 20 to any target position of the grip body 10;
[0052] 2. The connector 30 is configured to allow axial sliding relative to the adjusting rod 20, and a guide structure is provided between the connector 30 and the adjusting rod 20 for guiding the connector 30 to any target position of the adjusting rod 20;
[0053] Third, the adjusting rod 20 is configured to allow axial sliding relative to the grip body 10, and a guide structure is provided between the adjusting rod 20 and the grip body 10 for guiding the adjusting rod 20 to any target position of the grip body 10; and the connecting member 30 is configured to allow axial sliding relative to the adjusting rod 20, and a guide structure is provided between the connecting member 30 and the adjusting rod 20 for guiding the connecting member 30 to any target position of the adjusting rod 20.
[0054] Through the technical solutions provided above, in the actual application scenarios of strength training equipment, the relative position of the gripping position and the connection point of the traction component 40 can be adjusted by adjusting the relative position of the gripping body 10 and the adjusting rod 20, or by adjusting the relative position of the adjusting rod 20 and the connecting member 30. In addition, the trainee can simultaneously adjust the relative positions of the gripping body 10 and the adjusting rod 20, as well as the relative positions of the adjusting rod 20 and the connecting member 30, to change the overall shape of the gripping assembly and adjust the position of the connecting member 30 under different shapes of the gripping assembly, thereby meeting the needs of different trainees in various aspects. For example, by changing the relative position of the gripping body 10 and the adjusting rod 20, the position of the connecting member 30 can be adjusted in addition to changing the overall shape of the gripping assembly; while by changing the relative position of the adjusting rod 20 and the connecting member 30, the position of the connecting member 30 can be changed without changing the overall shape of the gripping assembly. This not only allows the grip assembly to adapt to different requirements, but also increases the types of strength training equipment that the grip assembly can be compatible with, thus improving the versatility of the assembly.
[0055] Furthermore, by configuring the adjusting rod 20 to slide in engagement with the grip body 10, and / or configuring the connecting member 30 to slide in engagement with the adjusting rod 20, the grip position provided by the grip body 10 and the connecting member 30 can be infinitely adjusted. Infinitely adjustable means that the connecting member 30 can move continuously and smoothly within its sliding range on the grip assembly, rather than being limited to a few preset positions. This provides greater flexibility and precision, allowing users to fine-tune the position of the components as needed. This not only improves the adjustment freedom and precision of the grip assembly, but also makes the entire adjustment process simple, smooth, and convenient to operate.
[0056] In this embodiment, the specific matching method adopted can be determined according to the actual product requirements of the grip assembly. In the embodiment where the grip body 10 and the adjusting rod 20 are relatively movable, or in the embodiment where the adjusting rod 20 and the connecting member 30 are relatively movable, the guiding structure between the relatively movable two can be, but is not limited to, a threaded adjustment structure (by rotating the threaded component, it moves relative to each other along the axial direction during relative rotation to achieve stepless adjustment) or a sliding adjustment structure (by using sliding bearings, sliding holes, etc., to achieve sliding fit, so that the two can slide to any target position during the sliding stroke to achieve stepless adjustment).
[0057] To ensure that the components can be relatively slid to any target position and have a certain constraint capability, the guide structure may be, but is not limited to, a threaded structure (compatible with the aforementioned threaded adjustment structure; after adjusting the relevant components using the threaded adjustment structure, the threaded structure in the threaded adjustment structure constrains the two mating components in a preset direction to ensure that they remain locked after adjustment), a guide rail and slider movable mating structure (by setting a compatible guide rail and slider structure between two movable mating components, the two relevant components can move relative to each other in a preset direction under the cooperation of the guide rail and slider, while also achieving a certain limiting effect through the guide rail and slider), etc.
[0058] For example, in an embodiment where the grip body 10 and the adjusting rod 20 are slidable relative to each other, a guide structure is provided between the grip body 10 and the adjusting rod 20. The two are slidably connected by the guide structure, allowing them to move relative to each other within the sliding range defined by the guide structure. Furthermore, when the circumferential freedom of movement of the grip body 10 and the adjusting rod 20 is constrained, the guide structure can hold the grip body 10 and the adjusting rod 20 in their current axial positions, preventing them from making axial adjustments. Similarly, in an embodiment where the adjusting rod 20 and the connecting member 30 are slidable relative to each other, the guide structure is respectively provided on the adjusting rod 20 and the connecting member 30. Furthermore, when the circumferential freedom of movement of the adjusting rod 20 and the connecting member 30 is constrained, the guide structure can contain the adjusting rod 20 and the connecting member 30 in their current axial positions, preventing them from making axial adjustments.
[0059] In one embodiment, when the adjusting rod 20 is allowed to slide axially relative to the grip body 10, the adjusting rod 20 is configured to rotate relative to the grip body 10, and the adjusting rod 20 and the grip body 10 are configured to move axially relative to each other while rotating relative to each other; while when the connecting member 30 is allowed to slide axially relative to the adjusting rod 20, the connecting member 30 is configured to rotate relative to the adjusting rod 20, and the connecting member 30 and the adjusting rod 20 are configured to move axially relative to each other while rotating relative to each other.
[0060] Understandably, based on the above solution, when the grip body 10 and the adjusting rod 20, as well as the connecting piece 30 and the adjusting piece, move relative to each other along the axial direction, they can also rotate relative to each other. That is, when the trainee needs to adjust any of the above two components, they can either apply a circumferential force to each component to drive their relative rotation, allowing them to slide relative to each other axially during rotation, or they can directly apply an axial force to drive their relative sliding along the axial direction, during which time the two components will rotate relative to each other. This technical solution provides the grip assembly with more operational options for the trainee, meeting different operating habits and simplifying the operation.
[0061] It is worth mentioning that, in addition to the aforementioned threaded adjustment structure, adjustment structures capable of simultaneously achieving circumferential relative rotation and axial relative sliding also include, but are not limited to, rack and pinion adjustment structures. These structures involve setting a gear and a rack on the two components requiring relative motion adjustment. When the component with the gear rotates, the gear meshes with the rack and pushes the rack to perform axial linear motion, thus converting circular motion into linear motion. Conversely, when the rack moves linearly, a reverse rack and pinion combination can drive the gear to rotate, achieving a conversion from linear motion to circular motion.
[0062] In practical applications, the above-described implementation ensures that the grip assembly is connected to the traction member 40 via the connector 30. During the use of the strength training equipment, the grip body 10 and the adjustment rod 20 are subjected to radial force by the connector 30 under the action of the traction member 40. Furthermore, due to the stable grip of the grip body 10 by the trainee and the restriction of the connector 30 by the traction member 40, relative circumferential movement between the grip body 10 and the adjustment rod 20, and between the adjustment rod 20 and the connector 30, is difficult to achieve. Therefore, axial adjustment between either of these components is also impossible during training. This ensures the structural stability of the strength training equipment during training. While ensuring stability after adjustment and efficient and stable force transmission, it also prevents unnecessary displacement between components that could lead to poor strength training results or even injury to the trainee. This simultaneously satisfies the requirements for pre-training activity adjustment and structural stability during training.
[0063] In one embodiment, please refer to the appendix to the specification. Figures 1-3 The guide structure is configured as a threaded pair. It is understood that, in the case where the grip body 10 and the adjusting rod 20 are configured to slide relative to each other, the grip body 10 and the adjusting rod 20 are screwed together via the threaded pair; and in the case where the adjusting rod 20 and the connecting rod are configured to slide relative to each other, the adjusting rod 20 and the connecting member 30 are screwed together via the threaded pair.
[0064] The use of threaded joints to transmit force in both rotational and linear directions not only provides trainees with more operational options, as mentioned above, but also ensures continuity and smoothness in the transmission process due to the physical characteristics of the threaded joints. This results in a better operating experience for trainees when adjusting the grip assembly, and also allows for higher adjustment precision between components. This ensures that the grip assembly remains in a stable state after operation, meeting the requirements for subsequent strength training.
[0065] Furthermore, the threaded joint structure is relatively simple. As mentioned above, the threaded joint not only enables force transmission between components in both the rotational and linear directions, but also allows for axial mutual constraint after adjustment. This eliminates the need for additional limiting mechanisms, making the grip assembly easier to manufacture and maintain. Simultaneously, due to the large and evenly distributed contact area between the threaded joints, it possesses good load-bearing capacity and wear resistance, thereby improving transmission reliability and service life, allowing the grip assembly to meet the requirements of strength training equipment under varying training resistances.
[0066] In the above embodiment where the guide structure is set as a threaded pair, the thread helix angle of the threaded pair is set to be greater than the friction angle, so that the pitch is large enough while also making the threaded pair lose its self-locking ability. This allows the gripping rod assembly to achieve axial sliding adjustment between the gripping rod body 10 and the adjusting rod 20, and / or between the adjusting rod 20 and the connecting member 30, through relative rotation, or through direct axial pushing.
[0067] It should be understood that, as mentioned above, in the specific application scenarios of strength training equipment, the grip assembly is primarily subjected to radial forces from the threaded pair during training. Therefore, during this process, the threaded pair will not exhibit relative movement along the circumferential direction when subjected to radial forces, thus maintaining a stable relative position between the components. This ensures the stability of the grip assembly during training, guarantees its effectiveness, and prevents injury to the trainee. The threaded pair, having lost its self-locking capability, can only achieve relative movement between components when subjected to forces in the circumferential and axial directions. That is, when the grip assembly is not in a training state, the trainee can adjust its position by applying forces in the corresponding directions, ensuring the safety of the adjustment process.
[0068] As an optional implementation method, please refer to the appendix to the instruction manual. Figures 1-2In this embodiment, there are two adjusting rods 20 and two connecting pieces 30. The two adjusting rods 20 are respectively located at opposite ends of the grip body 10 and each is equipped with a connecting piece 30. In the specific application scenario of the strength training equipment, this design allows the grip assembly to be connected to the two traction members 40 on the strength training equipment through the connecting pieces 30 at both ends. Of course, the grip assembly can also choose to connect to the traction members 40 on the strength training equipment at different positions according to actual training needs.
[0069] In the embodiment where the grip assembly is connected to the two traction components 40 of the strength training device via the connectors 30 at both ends, the two traction components 40 of the strength training device are also connected to the resistance device, which can transmit training resistance simultaneously. This connection method ensures that when the trainee holds both ends of the grip body 10 with both hands, the arms can receive consistent training resistance, allowing the structure of the grip assembly to meet the needs of more different training programs.
[0070] Of course, in this embodiment, the grip body 10 and each adjusting rod 20, as well as the connector 30 and the corresponding adjusting rod 20, can also be configured to be relatively movable according to actual requirements, so as to adjust the connection position of the two traction members 40 on the grip assembly, or the distance between the connection positions of the two traction members 40.
[0071] In the embodiment where both the adjusting rod 20 and the connecting piece 30 are provided in pairs, the guide structure is provided as a threaded pair, that is, the two ends of the gripping rod body 10 and the two adjusting rods 20, and / or the two adjusting rods 20 and the corresponding connecting pieces 30 can be adjusted in the axial direction through the threaded pair.
[0072] In order to allow the distance between the two connecting parts 30 to be adjusted more smoothly, so that the distance between the two traction parts 40 at the connection point on the grip assembly can be operated in the direction of approaching or moving away from each other, the threaded pairs at both ends of the grip assembly are rotated in opposite directions, so that the two adjusting rods 20 and / or the two connecting parts 30 can move smoothly in the direction of approaching or moving away from each other through the threaded pairs when subjected to two opposing or opposite forces.
[0073] It is understood that a threaded pair refers to two mating threaded components. For example, an external thread structure is machined on the adjusting rod 20, and a matching internal thread structure is provided on the gripping rod body 10 and / or the connecting member 30. To prevent the adjusting rod 20 from disengaging from the gripping rod body 10 and to prevent the connecting member 30 from disengaging from the adjusting rod 20, at least one end of the adjusting rod 20 is provided with a smooth section 22. Specifically, when the adjusting rod 20 is connected to the gripping rod body 10 via the threaded pair, the end of the adjusting rod 20 closer to the gripping rod body 10 is provided with a smooth section 22; when the adjusting rod 20 is connected to the connecting member 30 via the threaded pair, the end of the adjusting rod 20 furthest from the gripping rod body 10 is provided with a smooth section 22. Thus, when the threaded pair is in a mating state, when the threaded structure moves to the smooth section 22 of the adjusting rod 20, the threaded pair loses its ability to continue guiding the mating, and therefore cannot continue to move relative to each other in the corresponding direction. This serves to limit the disengagement of the two mating components, achieving a simple structure and ease of manufacturing while limiting movement.
[0074] Please continue to refer to the appendix. Figures 1-2 In the embodiment where two adjusting rods 20 are provided, the adjusting rods 20 are fixedly connected to the grip body 10, and the connecting member 30 is configured to be axially movable relative to the adjusting rods 20.
[0075] In some embodiments, the adjusting rod 20 is detachably connected to the end of the grip body 10. In this way, the outer periphery of the adjusting rod 20 can form a smooth rod section 22 at the end away from the grip body 10, which not only facilitates the assembly of the connector 30 and the adjusting rod 20, but also allows the smooth rod section 22 to naturally limit the axial movement of the connector 30 after the adjusting rod 20 and the grip body 10 are fixedly assembled.
[0076] By setting the adjustment rod 20 and the grip body 10 to be relatively fixed, and ensuring that the connecting piece 30 can move axially relative to the adjustment rod 20, the grip assembly can be made more stable when subjected to force during training. This reduces vibration or swaying caused by too many parts being able to move relative to each other, makes the adjustment process more intuitive, and makes the overall structure of the grip assembly more compact. This prevents the problem of a relatively loose structure caused by too many parts being able to move relative to each other, thereby improving the safety and effectiveness of training.
[0077] Compared to the implementation where the adjustment rod 20 is slidable relative to the grip body 10, the method of using the connector 30 to slide on the adjustment rod 20 can avoid the situation where the adjustment rod 20 interferes with external objects (such as other parts of the strength training equipment, the trainee's body, etc.) due to the extension and retraction of the adjustment rod 20 during its movement relative to the grip body 10. By fixing the adjustment rod 20, this risk can be completely eliminated, effectively improving the safety of the grip assembly.
[0078] It should be noted that the reason why the connecting piece 30 is not slidably mounted on the grip body 10 directly in the grip assembly provided in this embodiment is mainly to facilitate the processing and assembly of the grip assembly. The grip assembly utilizes a modular design, and grip bodies 10 and adjustment rods 20 with different structures can be processed and produced separately. At the same time, in subsequent use, trainees can also replace the adjustment rod 20 to allow the grip assembly to meet different usage needs, thereby improving the versatility of the grip assembly.
[0079] In one embodiment, each adjusting rod 20 is coaxially connected to the opposite ends of the grip body 10. The adjusting rod 20 can be fixed to the end of the grip body 10 by means of threaded connection, while the connecting member 30 and the adjusting sleeve are fitted together, and the connecting member 30 is movably fitted onto the outer periphery of the adjusting rod 20.
[0080] In some embodiments, the adjustment rod 20 and the grip body 10 are on the same straight line, which makes the overall structure of the grip assembly more compact. The grip assembly is long and narrow, which can effectively reduce the risk of interference between the grip assembly and the strength training equipment, while also improving the grip feel of the trainee during training.
[0081] Furthermore, by setting the adjustment rod 20 and the grip body 10 on the same axis, the adjustment rod 20 and the grip body 10 can transmit training resistance more efficiently. The training resistance applied by the resistance device can be efficiently transmitted to the corresponding limbs of the trainee through the grip assembly via the traction member 40, thereby effectively improving the training effect provided by the grip assembly.
[0082] By fitting the connector 30 onto the adjusting rod 20, the stability and reliability of the connection between the connector 30 and the adjusting rod 20 can be ensured, reducing the risk of the connector 30 becoming loose or falling off the adjusting rod 20.
[0083] Based on the above implementation, a limiting platform 11 for limiting the connecting member 30 is also provided between the grip body 10 and the adjusting rod 20. The limiting platform 11 can effectively prevent the connecting member 30 from sliding from the adjusting rod 20 to the grip body 10, thereby avoiding the problem of interference between the connecting member 30 and the traction member 40 and the trainee's limbs.
[0084] In one embodiment, the limiting platform 11 can be formed by setting the diameter of the grip body 10 to be larger than that of the adjusting rod 20. In this embodiment, when the connecting member 30 moves axially on the adjusting rod 20 to near the end of the grip body 10, the connecting member 30 can be constrained by abutting against the portion of the grip body 10 that protrudes from the outer periphery of the adjusting rod 20. This eliminates the need to provide additional limiting portions on the grip body 10 or the adjusting rod 20, thereby reducing the production cost of the grip assembly and making the overall structure of the grip assembly more compact.
[0085] In the embodiment where the adjustment rod 20 is detachably connected to the end of the grip body 10, since the end of the adjustment rod 20 near the grip body 10 does not have a smooth rod section 22, the connector 30 can be directly detached from the end of the adjustment rod 20 by removing the adjustment rod 20 from the grip body 10. When the adjustment rod 20 is connected to the grip body 10, the limiting platform 11 between them ensures that the connector 30 will not detach from the adjustment rod 20 onto the grip body 10.
[0086] It is understood that in some other embodiments, the end of the adjusting rod 20 away from the grip body 10 may also be limited by providing a limiting part to prevent the connecting member 30 from disengaging from the adjusting rod 20 at the end of the adjusting rod 20 away from the grip body 10.
[0087] In this embodiment, a limiting platform 11 is provided between the adjusting rod 20 and the grip body 10, and a smooth rod section 22 is provided at the end of the adjusting rod 20 away from the grip body 10, thereby effectively constraining the two ends of the connecting member 30 in the axial direction of the adjusting rod 20.
[0088] Continuing with the example of the embodiment where both the adjusting rod 20 and the connecting member 30 are configured as two, and the two connecting members 30 are respectively engaged with the two adjusting rods 20 through threaded pairs, in this embodiment, the ends of the two adjusting rods 20 that are relatively far apart are provided with smooth rod sections 22 for limiting the connecting members 30.
[0089] Please refer to the instruction manual attached. Figure 1 , Figure 3 As a specific structural form, the connector 30 includes a sleeve portion 31 and a rope connecting portion 32. According to the embodiment where the connector 30 is sleeved on the adjusting rod 20, the sleeve portion 31 has an adjusting hole 311, allowing it to be movably sleeved on the adjusting rod 20 through the adjusting hole 311, ensuring good connection strength between the connector 30 and the adjusting rod 20. One end of the rope connecting portion 32 is connected to the sleeve portion 31, and the other end of the rope connecting portion 32 is used to connect to the traction component 40 of the strength training equipment.
[0090] Specifically, the sleeve portion 31 is provided with a hanging ring 313 on the outer side of the adjustment hole 311. The rope connection portion 32 includes a connector 321 and a connecting ring 322. The rope connection portion 32 is hooked onto the hanging ring 313 and the connecting ring 322 respectively through the connector 321, and is connected to the traction member 40 of the strength training equipment through the connecting ring 322. It should be understood that the connecting ring 322 in the above embodiment can be set as a rigid structure to alleviate the wear caused by the traction member 40 on the connecting ring 322 and extend the service life of the connector 30.
[0091] In the embodiment where the guide structure is configured as a threaded pair, the threaded pair includes an external thread 21 surrounding the outer periphery of the adjusting rod 20 and an internal thread 312 disposed within the adjusting hole 311. The sleeve portion 31 is movably engaged with the adjusting rod 20 via the threaded pair, and the thread helix angle of the threaded pair is set to be greater than the friction angle. Thus, in the embodiment where the grip body 10 and the adjusting rod 20 are relatively fixed, and the connecting member 30 is connected to the traction member 40, thus restricting the degree of freedom of the connecting member 30 to rotate in the circumferential direction, the trainee can rotate the adjusting rod 20 relative to the connecting member 30 by gripping the grip body 10. This causes the external thread 21 surrounding the adjusting rod 20 to spirally push the internal thread 312 located within the adjusting hole 311, ultimately achieving the purpose of the connecting member 30 moving axially towards or away from the grip body 10 according to the rotation direction of the adjusting rod 20. Of course, the trainee can also hold the connector 30 and apply a force to the connector 30 in the axial direction of the adjusting rod 20, so that the internal thread 312 in the adjusting rod 20 pushes the external thread 21 on the outer circumference of the adjusting rod 20 in the opposite direction, so that the adjusting rod 20 and the grip body 10 rotate under the drive of the thread pair, and at the same time achieve the effect of the connector 30 moving axially on the adjusting rod 20, thus meeting the need to provide multiple operating methods.
[0092] In one embodiment, such as Figure 2 As shown, the length L1 of the external thread 21 in the axial direction of the adjusting rod 20 is set to be less than the overall length L2 of the adjusting rod 20. Furthermore, the external thread 21 is located on the adjusting rod 20 near the end where it connects to the grip body 10. Thus, when the connecting piece 30 moves to the end of the adjusting rod 20 away from the grip body 10 via the threaded pair, the connecting piece 30 is locked and constrained by the threaded pair, preventing it from disengaging from the end of the adjusting rod 20 away from the grip body 10, achieving the corresponding limiting effect. By placing the external thread 21 at the end of the adjusting rod 20 where it connects to the grip body 10, the connecting piece 30 can be assembled with the adjusting rod 20 from that end when the adjusting rod 20 is disengaged from the grip body 10. When the adjusting rod 20 is reassembled to the grip body 10, it can be constrained by the limiting platform 11 between the grip body 10 and the adjusting rod 20.
[0093] It is worth mentioning that in the above embodiment where both the adjusting rod 20 and the connecting member 30 are provided in pairs, the external threads 21 on the two adjusting rods 20 have opposite directions of rotation. Thus, when the corresponding position of the connecting member 30 on the adjusting rod 20 is adjusted by rotating the gripping rod body 10, the two connecting members 30 can move in opposite directions. In the manner of gripping the two connecting members 30 and moving them in opposite directions along the axial direction, the gripping rod body 10 and the two adjusting rods 20 can rotate synchronously, thereby achieving the purpose of adjusting the distance between the two connecting members 30.
[0094] Furthermore, when the two connectors 30 rotate along the external threads 21 on the outer periphery of their respective fitted adjusting rods 20 to the near ends of the external threads 21, the two rope connection portions 32 (connecting rings 322) face the same direction. That is, in an ideal state, the threaded pairs at both ends of the grip assembly are mirror-symmetrical. This ensures that when the connectors 30 at both ends move to the same position on their respective adjusting rods 20, the orientation of the position for connecting the traction member 40 is the same, thereby ensuring that the connection positions of the traction members 40 at both ends of the grip assembly are symmetrical, and keeping the force state of the grip assembly as balanced as possible.
[0095] Please refer to the instruction manual attached. Figure 4 This embodiment also provides a strength training device. In addition to the grip assembly provided in any of the above embodiments, the strength training device of this embodiment also includes a base 50. The base 50 serves as the support base of the strength training device and is usually made of a relatively high-strength material to ensure that it can withstand the huge forces generated during training.
[0096] In practical applications, the base 50 can be set on any supporting structure (such as an equipment bracket) such as the ground or wall, according to the training program to be provided by the strength training equipment. The base 50 is equipped with a resistance device, which is connected to the connector 30 through the traction member 40.
[0097] In this embodiment, the base 50 is placed on a support platform such as the ground, and the upper part of the base has a footrest 51 for the trainee to step on. Resistance devices (not shown) are respectively provided at opposite ends of the footrest 51 on the base 50. A rope outlet 52 is provided on the upper side of the base 50 corresponding to the positions of the two resistance devices, connecting to their lower sides. Each resistance device passes through the rope outlet 52 via a traction member 40 and is connected to the connectors 30 at both ends of the grip assembly. The grip assembly can adjust the position of the two connectors 30 according to the distance between the positions where the two traction members 40 pass through the base 50, thereby ensuring that the training resistance transmitted by the traction member 40 is substantially perpendicular to the grip body 10, thus guaranteeing the training effect.
[0098] In the description herein, it should be understood that the terms "upper," "lower," "left," "right," and other orientations or positional relationships are used only for ease of description and simplification of operation, and do not indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first" and "second" are merely used for distinction in description and have no special meaning.
[0099] In the description of this specification, references to terms such as "an embodiment," "example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, illustrative expressions of the above terms do not necessarily refer to the same embodiment or example.
[0100] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style of the specification is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.
[0101] The technical principles of this utility model have been described above with reference to specific embodiments. These descriptions are merely for explaining the principles of this utility model and should not be construed as limiting the scope of protection of this utility model in any way. Based on this explanation, those skilled in the art can readily conceive of other specific embodiments of this utility model without any inventive effort, and these embodiments will all fall within the scope of protection of this utility model.
Claims
1. A grip bar assembly for use with a strength training machine, comprising: The handle assembly comprises: a handle body (10); an adjusting rod (20) connected with the handle body (10); and a connecting piece (30) connected with the adjusting rod (20) and used for connecting a pulling piece (40) of a strength training device; the adjusting rod (20) is configured to allow axial sliding relative to the handle body (10), and a guide structure is arranged between the adjusting rod (20) and the handle body (10) for guiding the adjusting rod (20) to any target position of the handle body (10), and / or the connecting piece (30) is configured to allow axial sliding relative to the adjusting rod (20), and a guide structure is arranged between the connecting piece (30) and the adjusting rod (20) for guiding the connecting piece (30) to any target position of the adjusting rod (20).
2. The grip assembly of claim 1, wherein In the state that the adjusting rod (20) allows axial sliding relative to the handle body (10), the adjusting rod (20) is arranged to be rotatable relative to the handle body (10), and the adjusting rod (20) and the handle body (10) are configured to make axial relative movement while rotating relative to each other; In the state that the connecting piece (30) allows axial sliding relative to the adjusting rod (20), the connecting piece (30) is arranged to be rotatable relative to the adjusting rod (20), and the connecting piece (30) and the adjusting rod (20) are configured to make axial relative movement while rotating relative to each other.
3. The grip assembly of claim 2, wherein, The guide structure is arranged as a threaded pair.
4. The grip assembly of claim 3, wherein, The thread angle of the threaded pair is greater than the friction angle.
5. The grip assembly of claim 1, wherein The adjusting rod (20) and the connecting piece (30) are both arranged as two, and the two adjusting rods (20) are respectively arranged at opposite ends of the handle body (10) and are both provided with the connecting piece (30).
6. The grip assembly of claim 5, wherein, The adjusting rod (20) and the end of the handle body (10) are detachably connected.
7. The grip handle assembly of claim 6, wherein, The guide structure is arranged as a threaded pair, and the rotation directions of the threaded pairs respectively located at the two ends of the handle assembly are opposite.
8. The grip handle assembly of claim 7, wherein, The adjusting rod (20) is arranged to be fixedly connected with the handle body (10), the connecting piece (30) comprises a sleeving part (31) and a rope connecting part (32) connected with each other, the rope connecting part (32) is used for connecting the pulling piece (40) of the strength training device, the sleeving part (31) is provided with an adjusting hole (311), the threaded pair comprises an external thread (21) arranged around the outer circumferential part of the adjusting rod (20) and an internal thread (312) arranged in the adjusting hole (311), and the connecting piece (30) is movably sleeved on the adjusting rod (20) through the threaded pair.
9. The grip handle assembly of claim 8, wherein, The two connecting pieces (30) are respectively rotated along the external threads (21) of the outer circumferential parts of the adjusting rods (20) sleeved with each other to the ends of the external threads (21) close to each other, and the two rope connecting parts (32) are consistent in direction.
10. The grip handle assembly of claim 8, wherein, The opposite distal ends of the two adjusting rods (20) are provided with a rod segment (22) for limiting the connecting piece (30).
11. A strength training apparatus characterized by, The handle assembly comprises: the handle assembly according to any one of claims 1-10; and A base (50) is provided with a resistance device inside, the resistance device is connected with the connecting piece (30) through a traction piece (40).