Fitness equipment clamping device

By designing a clamping device for fitness equipment, using threaded connections and knob structures, combined with buffer pads and buckles, magnetic adsorption or adhesive structures, the problem of insufficient adaptability and ease of use of traditional fitness equipment clamps is solved, achieving more efficient and safer clamping and operation.

CN223662257UActive Publication Date: 2025-12-12深圳市耀顺电子商务有限公司
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Patent Information

Application Number
CN202520042909.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-08
Publication Date
2025-12-12
Estimated Expiration
2035-01-08

AI Technical Summary

Technical Problem

Traditional fitness equipment clamps lack adaptability and ease of use, leading to instability during exercise, posing safety risks, and being cumbersome to assemble and disassemble.

Method used

A fitness equipment clamping device is designed, including a connecting mechanism, a supporting device, and a clamping device. It achieves detachable connection through threaded connection and knob structure, forming a groove to accommodate fitness equipment. Combined with buffer pads and buckles, magnetic adsorption or adhesive structure, it can adapt to fitness equipment of different sizes and shapes.

Benefits of technology

It improves the clamping efficiency and safety of fitness equipment, simplifies the installation and disassembly process, enhances the user experience, and ensures the stability and safety of the equipment during use.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a fitness equipment clamping device which comprises a connecting mechanism, and a handle is arranged at the top of the connecting mechanism. A supporting device is arranged at the bottom of the connecting mechanism, a clamping device is arranged below the connecting mechanism, and the connecting mechanism is detachably connected with the clamping device through the supporting device. And a groove for accommodating fitness equipment is formed between the connecting mechanism and the clamping device. The clamping device for the fitness equipment is reasonable in structure, high in practicability, easy and convenient to mount and dismount and flexible and convenient to use.
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Description

Technical Field

[0001] This utility model relates to the field of sports equipment clamping technology, and in particular to a clamping device for fitness equipment. Background Technology

[0002] In the fitness and exercise equipment industry, the design and function of clamps and fixation devices play a crucial role in ensuring user safety and equipment versatility. Traditional clamps, typically employing hinged opening and closing mechanisms, have been widely used to fix various types of exercise equipment, such as dumbbells. However, these traditional designs have inherent limitations, particularly in terms of adaptability and ease of use. The fixed-size holes created by hinged structures can only accommodate dumbbells of a specific diameter, limiting their compatibility with the wide range of dumbbell sizes on the market. This lack of flexibility can lead to instability during exercise, posing a potential safety risk to the user.

[0003] Furthermore, assembling and disassembling these traditional clamps can be cumbersome, often requiring multiple steps and compromising the user experience. As fitness enthusiasts seek more efficient and user-friendly solutions, there is a growing demand for innovative clamp designs that offer ease of use and enhanced safety features. The need for a more adaptable and safer clamping mechanism is evident, as it not only improves the convenience of assembling and disassembling exercise equipment but also ensures the equipment remains safe during use, thereby reducing the risk of accidents and enhancing the overall workout experience. Utility Model Content

[0004] The main purpose of this utility model is to provide a fitness equipment clamping device that is reasonably structured, highly practical, easy to install and disassemble, flexible and convenient to use.

[0005] To achieve the above objectives, this utility model proposes a fitness equipment clamping device, including a connecting mechanism with a handle at the top; a supporting device at the bottom of the connecting mechanism; and a clamping device below the connecting mechanism. The connecting mechanism is detachably connected to the clamping device through the supporting device. A groove for accommodating fitness equipment is formed between the connecting mechanism and the clamping device.

[0006] Optionally, the connecting mechanism is umbrella-shaped, and the supporting device includes a first supporting plate and a second supporting plate, which are respectively disposed at both ends of the bottom of the connecting mechanism.

[0007] Optionally, external threads are provided on the outer side plates of the first support plate and the second support plate, respectively.

[0008] Optionally, the handle includes a nut assembly.

[0009] Optionally, the clamping device includes a knob device, the knob having a boss inside, and the support device is connected to the knob device through the boss.

[0010] Optionally, the two sides of the boss respectively include a first limiting platform and a second limiting platform, the positions of the first limiting platform and the second limiting platform correspond to the positions of the first support plate and the second support plate, and the first support plate and the second support plate are respectively connected to the knob through the first limiting platform and the second limiting platform.

[0011] Optionally, the top surface of the boss includes a buffer pad.

[0012] Optionally, the back of the boss includes a boss cavity, and the boss cavity includes a hollow first tube; the knob includes a knob cavity, and the knob cavity includes a knob post, the position of which corresponds to the position of the first tube, and the knob post is inserted into the first tube.

[0013] Optionally, a second tube and a third tube are respectively provided on the left and right sides of the first tube.

[0014] Optionally, the inner wall of the knob is provided with internal threads.

[0015] The beneficial technical effects of this utility model are as follows: This utility model relates to a clamping device for fitness equipment, which includes a connecting mechanism. The top of the connecting mechanism includes a handle; the bottom of the connecting mechanism includes a support device; and a clamping device is included below the connecting mechanism. The connecting mechanism is detachably connected to the clamping device through the support device. A groove for accommodating fitness equipment is formed between the connecting mechanism and the clamping device.

[0016] With the above structural design, this utility model has a reasonable structure, making it more convenient to clamp fitness equipment. It is also simpler to install and disassemble, and more flexible and convenient to operate. It greatly improves the working efficiency of clamping fitness equipment and provides a better consumer experience.

[0017] This utility model is highly practical, safe and reliable to use, and suitable for widespread application. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0019] Figure 1 This is a schematic diagram of the structure of an embodiment of the fitness equipment clamping device of this utility model;

[0020] Figure 2 This is another structural schematic diagram of an embodiment of the fitness equipment clamping device of this utility model;

[0021] Figure 3 This is a disassembly diagram of an embodiment of the fitness equipment clamping device of this utility model;

[0022] Figure 4 This is another disassembly diagram of an embodiment of the fitness equipment clamping device of this utility model;

[0023] Figure 5 This is a third disassembly diagram of an embodiment of the fitness equipment clamping device of this utility model;

[0024] Figure 6 This is a schematic diagram of the boss structure of an embodiment of the clamping device for fitness equipment of this utility model;

[0025] Figure 7 This is a schematic diagram of the knob structure of an embodiment of the clamping device for fitness equipment of this utility model;

[0026] Figure 8 This is a flowchart illustrating the operation method of an embodiment of the clamping device for fitness equipment according to this utility model.

[0027] Figure 9 This is a schematic diagram showing the usage state of an embodiment of the fitness equipment clamping device of this utility model.

[0028] The realization of the purpose, functional features and advantages of this utility model will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0029] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0030] It should be noted that all directional indicators (such as up, down, left, right, front, back, etc.) in this utility model embodiment are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicator will also change accordingly.

[0031] In this utility model, unless otherwise explicitly specified and limited, the terms "connection," "fixing," etc., should be interpreted broadly. For example, "fixing" can mean a fixed connection, a detachable connection, or an integral part; it can mean a mechanical connection or an electrical connection; it can mean a direct connection or an indirect connection through an intermediate medium; it can mean the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0032] Furthermore, if the embodiments of this utility model involve descriptions such as "first" or "second," these descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the meaning of "and / or" throughout the text includes three parallel solutions; for example, "A and / or B" includes solution A, solution B, or a solution where both A and B are satisfied simultaneously. Furthermore, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.

[0033] This utility model proposes a clamping device for fitness equipment. Example

[0034] See Figures 1 to 7 , Figure 9 In one embodiment of the present invention, a fitness equipment clamping device 100 includes a connecting mechanism 101, the top of which includes a handle 102; the bottom of which includes a supporting device. Preferably, the supporting device includes a first supporting plate 103 and a second supporting plate 104, which are respectively disposed at the left and right ends of the connecting mechanism 101.

[0035] Below the connecting mechanism 101 is a clamping device 200, and the connecting mechanism 101 is detachably connected to the clamping device 200 through the support device; a groove 105 for accommodating fitness equipment is formed between the connecting mechanism 101 and the clamping device 200.

[0036] In this embodiment, the handle 102 at the top of the connecting mechanism 101 can be connected to a component of fitness equipment, such as the barbell's crossbar; preferably, the top of the handle 102 includes a handle hole 1021, through which the crossbar of the fitness equipment can be connected to the connecting mechanism 101.

[0037] See Figure 3 , Figure 4 , Figure 5 , Figure 9 In this embodiment, the connecting mechanism 101 is connected to the clamping device 200 through the first support plate 103 and the second support plate 104, and a fitness equipment groove 105 is formed between the connecting mechanism 101 and the clamping device 200; preferably, the groove 105 is U-shaped.

[0038] The fitness equipment is, for example, a dumbbell 204. The dumbbell bar in the middle of the dumbbell 204 can be placed between the first support plate 103 and the second support plate 104, and one side of the dumbbell bar is clamped by the connecting mechanism 104. Then, the clamping device 200 clamps the other side of the dumbbell bar through the first support plate 103 and the second support plate 104, so that the dumbbell bar is set in the groove 105, and the dumbbell 204 is clamped by the utility model.

[0039] The connecting mechanism 101 forms a U-shaped groove 105 with the clamping device 200, which is configured to securely position the fitness equipment. The groove 105 facilitates passage through the middle portion of the fitness equipment, ensuring proper alignment and stability during use. The connecting mechanism 101 also creates a holding space between the handle 102 and the clamping device 200, allowing the relative movement of the clamping device 200 to progressively tighten the fitness equipment positioned within the holding space, thereby effectively securing the clamping member.

[0040] The U-shaped groove 105 is part of the connecting mechanism 101 and is designed to align with the center of the fitness equipment to facilitate passage through its middle section. The fitness equipment interacts with the connecting mechanism.

[0041] See Figure 3 , Figure 4 , Figure 5 In this embodiment, preferably, the handle 102 includes a nut device 1022. The nut device 1022 is disposed inside the handle 102. When a component of the fitness equipment is inserted into the handle 102, the connecting mechanism 101 can be easily screwed together with the external fitness equipment component through the nut device 1022, making it more convenient and flexible to use.

[0042] The handle 102 allows the user to operate the clamping device 200, and the connecting mechanism 101 forms a holding space between the handle 101 and the clamping device 200. This connecting mechanism 101 allows the clamping device 200 to move relative to the handle 102 to progressively tighten the fitness equipment, ensuring a secure hold.

[0043] See Figure 3 , Figure 4 , Figure 5In this embodiment, preferably, the outer side plates of the first support plate 103 and the second support plate 104 are respectively provided with a first external thread 1031 and a second external thread 1041.

[0044] See Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 In this embodiment, preferably, the clamping device 200 includes a knob device 201, which includes a boss 202, and the support device is connected to the knob device 201 through the boss 202.

[0045] In this embodiment, the knob device 201 is disc-shaped and includes a knob cavity 2011. The inner wall of the knob cavity 2011 is provided with an internal thread 2013. Since the outer side plates of the first support plate 103 and the second support plate 104 are respectively provided with a first external thread 1031 and a second external thread 1041, the knob device 201 is screwed with the first external thread 1031 and the second external thread 1041 through the internal thread 2013, so that the clamping device 200 clamps the fitness equipment, making it more convenient and flexible to use.

[0046] In this embodiment, preferably, the two sides of the boss 203 include a first limiting platform 2021 and a second limiting platform 2022, respectively. The positions of the first limiting platform 2021 and the second limiting platform 2022 correspond to the positions of the first support plate 103 and the second support plate 104. The first support plate 103 and the second support plate 104 are respectively connected to the knob device 201 through the first limiting platform 2021 and the second limiting platform 2022.

[0047] In this embodiment, the top of the boss 203 includes a platform 203. The first limiting platform 2021 and the second limiting platform 2022 are disposed on both sides of the platform 203. The height of the first limiting platform 2021 and the second limiting platform 2022 is slightly lower than the height of the platform 203. One end of the first support plate 103 and the second support plate 104 are respectively provided with the two ends of the connecting mechanism 101, and the other end is respectively connected to the first limiting platform 2021 and the second limiting platform 2022. When it is necessary to clamp the fitness equipment, the knob device 201 can be removed first, so that the fitness equipment is clamped between the first support plate 103 and the second support plate 104 along the boss 203. Then, the boss 203 can be tightened by the knob device 201, thereby clamping the fitness equipment.

[0048] In this embodiment, preferably, the top surface of the boss 203 includes a buffer pad 204.

[0049] The buffer pad 204 is disposed on the top platform of the boss 203.

[0050] The cushioning pad 204 provides friction and cushioning against the outer wall of the fitness equipment. This device prevents loosening and lateral deflection, ensuring the equipment remains securely clamped.

[0051] The buffer layer 204 of the clamping device 200 provides a cushioning effect by generating friction with the fitness equipment and adhering tightly to the outer wall of the fitness equipment, so as to prevent the equipment from loosening and lateral deflection.

[0052] The buffer pad 204 is an important component of the connection mechanism, enhancing alignment and stability, making the use of this invention safer and more reliable.

[0053] In this embodiment, the cushioning pad 204 provides friction and cushioning effects to contact the outer wall of the gym equipment, enhancing stability and preventing lateral deflection. This ergonomic and durable design ensures reusability and ease of operation.

[0054] In this embodiment, the clamping device 100 fixed to the fitness equipment 204 securely clamps fitness equipment 204 of different diameters by forming a holding space and gradually tightening it. The buffer layer 204 further enhances stability and prevents slippage during use.

[0055] In this embodiment, the structural relationship between the various components ensures the effective operation of the clamping device 100. The handle 102 is connected to the clamping device 200 to ensure that the U-shaped groove 105 can stably clamp the fitness equipment to secure it. The buffer layer 204 provides additional stability and alignment, ensuring the device remains safe during use. Constructed of durable materials, the device can withstand repeated use and force during clamping, making it a reliable tool for fitness enthusiasts.

[0056] See Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 In this embodiment, preferably, the back of the boss 202 includes a boss cavity 2021, and the boss cavity 2021 includes a hollow first tube post 2022; the knob device 201 includes a knob cavity 2011, and the knob cavity 2011 includes a knob post 2012, the position of the knob post 2012 corresponds to the position of the first tube post 2022, and the knob post 2012 and the first tube post 2022 are inserted together.

[0057] In this embodiment, the boss 202 is connected to the first tube post 2022 by a knob post 2012 and is fixedly connected to the knob device 201, making it more stable and safer to use.

[0058] In this embodiment, and preferably, a second pipe column and a third pipe column 2024 are respectively provided on the left and right sides of the first pipe column 2022. The second pipe column and the third pipe column 2024 can be connected to the first pipe column 2022 by reinforcing ribs, and the use of the boss 203 makes it more robust and durable.

[0059] The knob cavity 2011 also includes a recess 2014. When the boss 203 is inserted into the knob cavity 2011, the second tube and the third tube 2024 are respectively inserted into the recess 2014, pressing against the bottom of the recess 2014, so that the boss 203 and the knob device 201 are connected.

[0060] See Figure 8 ,Should Figure 8 The flowchart shows in detail a method for securing fitness equipment using a clamping device.

[0061] This flowchart provides operational guidance, beginning with step 600, where the fitness equipment is positioned within the holding space formed between the handle 102 of the clamping device 200 and the connecting mechanism 101. This initial step is crucial because it lays the foundation for subsequent operations by ensuring the fitness equipment is correctly positioned within the designated area, allowing for effective clamping. The holding space is created by the connecting mechanism, an integral part of the device's functionality as it allows for relative movement between the clamping components and the handle.

[0062] In step 602, the connecting mechanism 101 is operated to allow movement of the clamping member relative to the handle. This operation is crucial for adjusting the position of the clamping member to accommodate fitness equipment of various sizes and shapes. The connecting mechanism 101 may include features such as a U-shaped concave positioning groove 105 or a buffer layer, which facilitate threading and positioning of the fitness equipment. These features ensure the equipment is securely fixed, prevents slippage, and provides stability during use.

[0063] Step 604 involves progressively tightening the fitness equipment within the holding space by adjusting the connecting mechanism 101. This step ensures the equipment is secure, allowing for safe and effective use. The progressive tightening mechanism may involve various structures, such as snap-fit, magnetic, or adhesive structures, which enhance the clamping device 200's ability to securely hold the equipment. This flowchart effectively captures the essence of the method, highlighting the interaction between the handle 102, the clamping device 200, and the connecting mechanism 101 to achieve the desired clamping effect. This method not only ensures the secure holding of the fitness equipment but also facilitates adjustment and operation, making the clamping device versatile and user-friendly.

[0064] In this embodiment, preferably, the connecting mechanism 101 may include a snap-fit ​​structure, a magnetic adsorption structure, or an adhesive structure to secure the fitness equipment. These structures can be integrated into the connecting mechanism to provide additional securing options for the fitness equipment. The snap-fit ​​structure can be combined with corresponding functions on the fitness equipment to keep it in place. The magnetic adsorption structure can utilize magnetic force to securely attract and hold the fitness equipment. The adhesive structure may involve adhesive materials for bonding the fitness equipment to the connecting mechanism. These security options can be selected based on the specific requirements of the fitness equipment and the desired level of security. The connecting mechanism 101 can be designed to accommodate these structures, allowing flexibility in securing different types of gym equipment. The integration of these structures can enhance the overall functionality of the clamping device by providing multiple securing options. The selection of a suitable securing structure may depend on factors such as the material of the fitness equipment, the environment in which it is used, and the desired ease of installation and removal. The connecting mechanism can be configured to allow easy interchangeability of these protective structures, allowing for customization based on user preferences. The use of these structures may contribute to the stability and reliability of the clamping device 200, ensuring that the fitness equipment remains securely held during our work.

[0065] In this embodiment, preferably, the clamping device for the fitness equipment can be effectively positioned using the sidewall of a U-shaped concave positioning groove. This positioning can be achieved by aligning the outer periphery of the middle part of the fitness equipment with the sidewall, which may help achieve a stable positioning state. The fitness equipment can then be secured in this positioning state using the handle 102 and the clamping device 200, ensuring that the equipment is firmly clamped. The connecting mechanism 101 may include a U-shaped concave positioning groove, which can be configured to allow the clamping device 200 to move relative to the handle 102, thereby gradually tightening the fitness equipment within the holding space. This function may be crucial in preventing any lateral deflection or loosening of the fitness equipment during use. In addition, a buffer layer may be part of the connecting mechanism, which can generate friction with the outer wall of the fitness equipment to achieve a further stabilizing buffering effect. Snap-fit ​​structures, magnetic adsorption structures, or adhesive structures can also be integrated into the connector m to mechanically provide additional fixing options, improving the overall stability and safety of the fitness equipment.

[0066] The clamping device 200 can be designed to accommodate fitness equipment of different diameters to ensure that slippage is prevented and the equipment is securely held in place. The durable material of the clamping device can withstand repeated use and the forces applied during clamping, contributing to the device's lifespan and reliability. Furthermore, the lightweight and portable nature of the clamping device facilitates transportation and storage, making it a versatile tool for securing fitness equipment.

[0067] In this embodiment, preferably, the clamping device is designed to accommodate fitness equipment of different diameters, potentially preventing slippage and securely fixing the equipment. The clamping device 200's ability to accommodate fitness equipment of different diameters facilitates this function. The clamping device 200 may include a connecting mechanism 101 that allows for progressive tightening of the fitness equipment within a holding space formed between the handle 102 and the clamping device 200. This mechanism allows the clamping device 200 to move relative to the handle 102, thereby adjusting to the size of the fitness equipment and ensuring a secure fit. The clamping device may also be constructed of durable materials, enabling it to withstand repeated use and the forces applied during clamping. This durability may contribute to the reliability and lifespan of the equipment. Furthermore, the clamping device 200 can be lightweight and portable, facilitating transportation and storage. The combination of these features may provide a versatile and effective solution to secure fitness equipment of various sizes, enhancing the user experience by providing a safe and reliable clamping mechanism.

[0068] In this embodiment, preferably, the clamping device 200 can be made of a durable material that can potentially withstand repeated use and the forces applied during clamping. This construction ensures the service life and reliability of the clamping device. Durable materials can be selected to resist wear, thus maintaining the functionality of the device over time. The clamping device can also be designed to accommodate fitness equipment of various sizes, preventing slippage and securing the equipment firmly. This adaptability can be achieved by using a connecting mechanism 101 that allows the clamping device 200 to move relative to the handle, progressively tightening the fitness equipment within the holding space. The clamping device 200 is lightweight and portable, facilitating transportation and storage. This portability can benefit users by making it easier to move or store the device when clamping is needed. The combination of durability, adaptability, and portability can contribute to the overall effectiveness and user-friendliness of the clamping device.

[0069] In this embodiment, preferably, the clamping device 200 is designed to be lightweight and portable, facilitating transportation and storage. This characteristic may be particularly advantageous for users who require mobility or frequent device relocation. The lightweight nature of the clamping device can be achieved by using materials that provide sufficient strength while minimizing weight. The portability of the device can be further enhanced by its compact design, allowing for convenient storage in different locations. The combination of these features ensures that the clamping device can be easily handled and transported without compromising its functionality or durability.

[0070] The above description is only an optional embodiment of the present utility model and does not limit the patent scope of the present utility model. All equivalent structural transformations made under the inventive concept of the present utility model using the contents of the present utility model specification and drawings, or direct / indirect applications in other related technical fields, are included within the patent protection scope of the present utility model.

Claims

1. A clamping device for fitness equipment, characterized in that, The device includes a connecting mechanism with a handle at the top, a support device at the bottom, and a clamping device below the connecting mechanism. The connecting mechanism is detachably connected to the clamping device via the support device. A groove for accommodating fitness equipment is formed between the connecting mechanism and the clamping device.

2. The fitness equipment clamping device as described in claim 1, characterized in that, The connecting mechanism is umbrella-shaped, and the supporting device includes a first supporting plate and a second supporting plate, which are respectively disposed at both ends of the bottom of the connecting mechanism.

3. The fitness equipment clamping device as described in claim 2, characterized in that, External threads are provided on the outer sides of the first and second support plates, respectively.

4. The fitness equipment clamping device as described in claim 3, characterized in that, The handle includes a nut assembly.

5. The fitness equipment clamping device as described in claim 4, characterized in that, The clamping device includes a knob device, which contains a boss, and the support device is connected to the knob device through the boss.

6. The fitness equipment clamping device as described in claim 5, characterized in that, The boss has a first limiting platform and a second limiting platform on each side. The positions of the first limiting platform and the second limiting platform correspond to the positions of the first support plate and the second support plate. The first support plate and the second support plate are connected to the knob through the first limiting platform and the second limiting platform, respectively.

7. The fitness equipment clamping device as described in claim 6, characterized in that, The top surface of the boss includes a buffer pad.

8. The fitness equipment clamping device as described in claim 7, characterized in that, The back of the boss includes a boss cavity, and the boss cavity includes a hollow first tube; the knob includes a knob cavity, the knob cavity includes a knob post, the position of the knob post corresponds to the position of the first tube, and the knob post is inserted into the first tube.

9. The fitness equipment clamping device as described in claim 8, characterized in that, A second pipe column and a third pipe column are respectively provided on the left and right sides of the first pipe column.

10. The fitness equipment clamping device as described in claim 9, characterized in that, The inner wall of the knob is provided with internal threads.