WO2022217677A1

WO2022217677A1 - Adjustable tension detection module and detection device comprising same

Info

Publication number: WO2022217677A1
Application number: PCT/CN2021/092323
Authority: WO
Inventors: 俞尧; 白荣江
Original assignee: 湖州艾先特电子科技有限公司
Priority date: 2021-04-16
Filing date: 2021-05-08
Publication date: 2022-10-20
Also published as: CN112915460A

Abstract

An adjustable tension detection module having a simple, safe and reliable structure, and an adjustable tension detection device comprising the module. The adjustable tension detection module comprises an adjustment resistance band (1), a retraction/release locking mechanism (2) and a tension transmission feedback mechanism (3); the retraction/release locking mechanism (2) is connected to the adjustment resistance band (1), such that the adjustment resistance band (1) can be positioned and locked in different positions, and the tension transmission feedback mechanism (3) can detect the tension between two ends of the adjustment resistance band (1); the lower end of the retraction/release locking mechanism (2) is hingedly connected to the upper end of the tension transmission feedback mechanism (3), such that the retraction/release locking mechanism (2) can rotate around a central axis of the hinged position relative to the tension transmission feedback mechanism (3). The adjustable tension detection module can realize different requirements of respective users for tensile strength and height without replacing the resistance band (1) required for stretching, meanwhile detects tension data by means of the tension transmission feedback mechanism (3) in the process, and sends the data to an intelligent device for recording and analysis.

Description

An adjustable tensile force detection module and a detection device comprising the module

technical field

The invention relates to the field of intelligent fitness activity equipment, in particular to an adjustable tension detection module and a detection device including the module.

Background technique

At present, with the acceleration of the pace of life, people have less self-disposable time, and it becomes more and more difficult to juggle daily work and physical exercise tasks at the same time. Therefore, home fitness methods that help people to carry out effective fitness training at home will be the future One of the important development trends in the fitness industry, and the popularization of mobile Internet and 5G will further effectively solve the problem of lack of professional and reasonable fitness plans for home fitness. Compared with traditional gyms, home fitness has the advantage of making full use of fragmented time. People can do fitness exercises at any time, formulate more detailed fitness exercise plans, and focus more on training itself. Therefore, it has a good development prospect in the future.

For example, an indoor fitness activity product called "FITINDEX Portable Home Gym", which is publicly sold on the Amazon website shopping platform, includes a folding base and multiple sets of resistance bands with different elastic values. The two ends of the strap are respectively fixedly connected with the folding base and the wrist strap. When using the product, place the folding base horizontally on the ground, the user stands on the folding base, and after wearing the wrist strap, overcomes the resistance provided by the resistance band and performs multiple sets of repeated stretching or stretching upwards to achieve physical fitness. body effect. According to the physical conditions of different users and different exercise goals, more targeted stretching exercises can be carried out by replacing resistance bands with different resistance values.

However, each resistance band in this indoor fitness activity product corresponds to a certain resistance value range. In order to meet the differentiated use needs of users, it is necessary to set up a series of multiple resistance bands accordingly, which will result in This leads to an increase in the number of parts and space occupied by the overall product, which is inconvenient for storage and storage, and at the same time increases the manufacturing cost of the product itself, which is not conducive to popularization. In addition, this kind of indoor fitness equipment that controls the pulling force by changing the resistance band needs to be disassembled and assembled frequently in use, which brings great inconvenience to the user. The resistance value of the device changes in a step-like manner, and it is impossible to provide a more accurate resistance value for the user's exercise plan or physical condition, resulting in a decrease in the user's exercise effect during use and affecting the user experience.

Another example is an adjustable tension device used with resistance band exercise equipment disclosed in the Chinese invention patent application document with application number CN201780041290.6, which provides an elastic resistance band exercise device, which includes an elastic resistance band, The elastic resistance band has a first end and an opposite second end, wherein the first end and the second end are each coupled to respective ones of the first user portion and the second user portion such that the user can stretching the elastic resistance band through a range of motion and thereby establishing a range of elastic tension between the first user portion and the second user portion; wherein the elastic resistance band at at least one of these user portions is the coupling is a sliding coupling formed by the resistance band through an opening attached to the user part; and friction means connected with the at least one user part for use in the resistance band and the user part The resistance band is releasably engaged at the location of the sliding coupling so as to substantially prevent movement of the resistance band through the opening when engaged.

The fitness equipment with the structure described in the above adjustable tension device cannot perform real-time monitoring and recording of the user's exercise activity data, thereby making it impossible for the user to adjust the exercise plan according to the actual situation, making the exercise effect worse or even causing damage to the body situation occurs.

In view of the above problems, the present invention provides a simple structure, high space utilization rate, and can adjust the tension of the end of the resistance belt by changing the stretching stroke distance of the elastic telescopic section in the adjustment resistance belt according to the actual use requirements of users. An adjustable tensile force detection module and a detection device including the module can provide the peak resistance value when reaching the same end position and realize real-time data recording and feedback.

technical solutions

The invention provides an adjustable tensile force detection module capable of freely adjusting the magnitude of load resistance and a detection device including the module.

The above-mentioned technical purpose of the present invention is achieved through the following technical solutions:

An adjustable tension detection module is characterized in that: it includes an adjustment resistance band, a retractable locking mechanism and a tension transmission feedback mechanism, and the retractable locking mechanism is connected with the adjustment resistance band, and can adjust the resistance band. Adjusting the resistance band plays the role of positioning and locking at different positions, and the tension transmission feedback mechanism can detect the tension between its two ends; the lower end of the retractable locking mechanism and the upper end of the tension transmission feedback mechanism Connecting in a hinged manner enables the retractable locking mechanism to rotate relative to the tension transmission feedback mechanism around the central axis of the hinged joint.

As a preference of the present invention, the adjustable resistance band includes two parts: an elastic telescopic section for realizing stretching and contraction activities and an adjustable fixed section for directly connecting with the retractable locking mechanism. The adjustable resistance band includes two parts. Passing through the retractable locking mechanism and the adjustment fixing section is fixed by the retracting locking mechanism.

As a preferred feature of the present invention, the retractable locking mechanism includes a connecting support and a snap-locking piece mounted on the connecting support, and a supply for the connecting support and the snap-locking piece is formed therebetween. The gap hole through which the adjustment resistance band passes can be clamped and fixed by changing the relative position between the latching and locking member and the connecting support to change the size of the gap hole. Or relax adjustment.

As a preference of the present invention, the connecting support and the snap-locking piece are installed and connected in a hinged manner, so that the snap-locking piece can rotate relative to the connecting support piece around the hinge center axis of the two parts; A first locking surface on one side of the adjusting resistance band is formed on the snap-locking member, and a second locking surface on the other side of the adjusting resistance band is formed on the connecting support; Between the first locking surface and the second locking surface, when the latching and locking member rotates in one direction, the first locking surface approaches the second locking surface to reduce the gap hole and simultaneously realize Clamping and locking effect on adjustable resistance bands.

As a preference of the present invention, a torsion spring is installed on the outer side of the locking member relative to the rotating shaft of the connecting support, and both ends of the torsion spring extend outward and are respectively locked with the connecting support and the connecting support. pieces against each other.

As a preferred aspect of the present invention, a pressing portion for the user to press and drive the engaging and locking member to rotate is formed on the outwardly extending protrusion of the engaging and locking member.

As a preference of the present invention, the first locking surface is formed with a latching tooth that protrudes outward, and the second locking surface is formed with a latching groove for matching with the latching tooth.

As a preference of the present invention, the tension transmission feedback mechanism includes an upper connecting arm, a lower connecting arm, and a measuring member installed between the upper and lower connecting arms; the upper connecting arm is fixedly connected to one end of the measuring member, and the lower connecting arm is connected to the measuring member. The other end of the measuring member is fixedly connected.

As a preference of the present invention, a plurality of numerical scales are marked on the adjustment fixed segment.

An adjustable tension detection device, comprising the adjustable tension detection module according to any one of claims 1-9, characterized in that: it also includes a resistance band storage module, and the resistance band storage module includes a resistance band storage module. The coil spring is fixed in the center, and the end of the coil spring is fixedly connected with the end of the adjusting resistance band.

beneficial effect

To sum up, the present invention can achieve the following beneficial effects:

1. The adjustable tension detection module of the present invention includes a retractable locking mechanism and a tension transmission feedback mechanism that are hinged to each other, and the two parts can be rotated around a fixed central axis, which is convenient for users to apply during the exercise process. The direction of the surface tension within a certain angle range is analyzed and detected in real time to obtain more accurate measurement data.

2. The hinged structure between the retractable locking mechanism and the tension transmission feedback machine can be placed horizontally and no longer protrude outwards by rotating the retractable locking mechanism during storage without affecting the accuracy of the tension detection data. It can save space and prevent the locking structure from colliding and damage with other objects, and has played an effective protective role.

3. By dividing the adjustment resistance band into two parts with independent functions, the elastic telescopic section used to generate elastic deformation and provide resistance and the adjustment fixed section used to cooperate with the retractable locking mechanism to achieve locking and positioning; The fixed section is made of high-strength wear-resistant material such as nylon, and the toothed clamping structure of the retractable locking mechanism is completely clamped and fixed on the surface of the adjustment and fixed section, which can maintain the stability of its shape and structure under repeated clamping and pulling. , to avoid breakage and damage; and the elastic telescopic section will only be subjected to the tensile force at both ends, without contact with the locking mechanism, which avoids the concave-convex tooth surface of the locking mechanism being directly clamped to the elastic telescopic section during use. surface, irreparable damage to its structure occurs when the tensile force is large.

4. The retractable locking mechanism in the adjustable tensile force detection module of the present invention includes a connecting support and a snap-locking member, and under the action of the torsion spring, a stable clamping and locking effect on the adjustment fixed section is achieved, Corresponding latching teeth and latching grooves are also formed on the two opposite locking surfaces of the connecting support and the latching and locking member, which further increases the frictional force and improves the locking stability and the safety against slipping.

5. During use, when the user stretches the end of the adjustable resistance band to a certain position, a certain amount of peak resistance provided by the elastic stretch section can be obtained; When the exercise target changes the resistance value, it is only necessary to adjust the clamping and locking position of the adjustable resistance band by adjusting the retractable locking mechanism to change the length of the locking position relative to the end of the adjusted resistance band, and then pull the end of the resistance band. When reaching the same position, the peak resistance of different sizes can be obtained, and the structure can easily realize the effect of linearly adjusting the corresponding resistance value according to the different personalized needs of the user, so that the user can obtain a better exercise experience.

6. Due to the advantages of its own structure, the adjustable tension detection module can provide users with resistance values of different sizes without being used in conjunction with multiple sets of elastic resistance bands. At the same time, the working principle of the structure is simple and easy to understand. Convenience, reducing the number of parts and manufacturing costs, improving the integrity of the equipment, and facilitating storage or transportation.

7. The tension transmission feedback mechanism included in the adjustable tension detection module is composed of the upper and lower connecting arms and the measuring member between the two, which can accurately measure and obtain the tension value on the adjustment resistance band and analyze and transmit the corresponding value. On the smart device, it is convenient for users to grasp their own exercise situation in real time, and formulate a more targeted fitness exercise plan accordingly.

8. In the adjustable tension detection module of the present invention, the adjustment fixed section for adjusting the resistance band is marked with a plurality of numerical scale positions, which can be quickly positioned when the user re-deploys the mobile equipment from the storage state to the previous use. The positioning and locking position of the device eliminates the need for repeated debugging, which simplifies the operation and use process and further optimizes the use experience.

Description of drawings

Fig. 1 is the appearance structure schematic diagram of the adjustable tensile force detection module;

Figure 2 is a schematic front view of the connection structure between the retractable locking mechanism and the tension transmission feedback mechanism;

3 is a schematic diagram of the back side of the connection structure between the retractable locking mechanism and the tension transmission feedback mechanism;

4 is a side cross-sectional view of the connection relationship between the adjustable tension detection module and the resistance band storage module;

5 is a bottom cross-sectional view of the connection relationship between the adjustable tension detection module and the resistance band storage module;

FIG. 6 is a schematic view of the appearance of an intelligent fitness activity equipment including an adjustable tension detection device.

In the picture:

1——Adjust the resistance band, 1a——Elastic expansion section, 1b——Adjust the fixed section;

2 - retractable locking mechanism, 2a - connecting support, 2b - engaging locking member, 2ba - pressing part;

3 - tension transmission feedback mechanism, 3a - upper connecting arm, 3b - lower connecting arm, 3c - measuring member;

4—the first locking surface, 4a—the tooth;

5——Second locking surface, 5a——Card slot;

6 - torsion spring;

7 - clearance hole;

8——Numerical scale bit;

9—resistance band storage module, 9a—coil spring;

10—Intelligent fitness activity equipment, 10a—Main parts.

Embodiments of the present invention

The following specific examples are only to explain the present invention, but not to limit the present invention. Those skilled in the art can make modifications without creative contribution to the present examples as needed after reading this specification, but as long as the rights of the present invention are used All claims are protected by patent law.

This solution is achieved through the following technical means:

Embodiment 1: An adjustable tension detection module, including an adjustable resistance band 1; the adjustable resistance band 1 can be divided into two parts, an elastic expansion and contraction section 1a and an adjustment fixed section 1b that are fixedly connected to each other; Section 1a is made of elastic material such as rubber or latex material, which can provide gradually changing shrinkage resistance with its own stretching and extension within a certain range of expansion and contraction; and the adjustment and fixing section 1b is made of nylon material woven, with extremely strong resistance. At the same time, due to the characteristics of its material and manufacturing molding, the adjustment and fixing section 1b forms a non-smooth surface, which is convenient for the clamping effect of the external device during use. The adjustment fixing section 1b is locked in position in each position.

The adjustable tension detection module also includes a retractable locking mechanism 2 for fixing the adjustment resistance band 1 at different positions and a tension transmission feedback mechanism 3 for real-time detection of the tension value generated on the adjustment resistance band 1 . Specifically, the main body part of the retractable locking mechanism 2 is made of aluminum or stainless steel, and can be divided into a connecting support 2a, an engaging locking member 2b, and a torsion spring 6 installed therebetween. The connecting support member 2a is a flat block-shaped cuboid, and a receiving area for installing the latching and locking member 2b is formed inside the receiving area, and cylindrical grooves or through holes are opened on both sides of the receiving area. Yes, the two sides of the latching and locking member 2b are formed with cylindrical inserting parts for inserting into the grooves or through holes. After the snap-locking member 2b and the connecting support member 2a are fitted together, the two parts are connected in a hinged manner, and a gap hole 7 is formed between the two for the aforementioned adjustment resistance band 1 to pass through. The snap lock member 2b is rotatable relative to the connection support member 2a around the central axis. The clearance hole 7 includes a first locking surface 4 respectively located on the snap locking member 2b and a second locking surface 5 located on the connecting support member 2a, wherein the first locking surface 4 is a kind of along the circumference. A curved surface with a gradually increasing distance between the hinge center and the hinge center in a clockwise or counterclockwise direction; a pressing portion 2ba extending away from the hinge center side with the connection support 2a is formed on the latching and locking member 2b; at the hinge A metal torsion spring 6 is also sleeved and installed on the outer side. The two ends of the torsion spring 6 extend outward and are respectively engaged with the two opposite inner sides of the locking member 2b and the connecting support member 2a to abut against each other. When the user exerts pressure on the pressing portion 2ba to overcome the elastic force of the metal torsion spring 6, the latching and locking member 2b will rotate in one direction around the hinge center between it and the connecting support member 2a. At this time, the first The gap hole 7 formed between the locking surface 4 and the second locking surface 5 becomes larger, and the adjustment resistance band 1 can pass through the gap hole 7 and move forward and backward freely; when the adjustment resistance band 1 moves to the required When the user touches the pressure on the pressing portion 2ba, under the action of the metal torsion spring 6, the locking member 2b rotates in the reverse direction around the hinge center. At this time, the first locking surface 4 and the second locking surface 5 The gap hole 7 formed between them becomes smaller until the two locking surfaces are completely clamped against both sides of the adjustment fixing section 1b on the adjustment resistance band 1 to achieve the effect of positioning and locking. When the position of the resistance band 1 needs to be changed or stored, it is only necessary to press and rotate the engaging locking member 2b again to release the locked state.

Further, both the first locking surface 4 and the second locking surface 5 are formed with anti-skid structures for increasing frictional force to improve locking stability. The second locking surface 5 is formed with an inwardly recessed locking groove 5a on the outwardly protruding locking teeth 4a.

The tension transmission feedback mechanism 3 in the adjustable tension detection module is located below the aforementioned retractable locking mechanism 2, and includes three parts: an upper connecting arm 3a, a lower connecting arm 3b and a measuring member 3c. The measuring member 3c is placed horizontally, and its two ends are respectively connected with the lower end of the upper connecting arm 3a and the upper end of the lower connecting arm 3b through a bolt and nut structure that penetrates up and down into one body, so that the tension transmission feedback mechanism 3 as a whole in a "Z" shape. The measuring member 3c is specifically a metal part with a sensor installed. When the two ends of the measuring member 3c are under the influence of the vertical force in the opposite direction of the upper connecting arm 3a and the lower connecting arm 3b, the metal parts produce The amount of deformation will change its own resistance value, and the sensor detects the change of the resistance value, correspondingly calculates the tensile force between the upper and lower connecting arms 3b in the vertical direction, that is, the user can adjust the resistance band by adjusting the resistance band. 1 The magnitude of the real-time force applied to the adjustable tension detection module.

A through hole is opened above the upper connecting arm 3a, and a corresponding through hole is also opened under the aforementioned connecting support 2a. A bolt is passed through the two through holes at the same time and locked in the axial direction with a nut. fixed. At this time, a hinge is also formed between the retractable locking mechanism 2 and the tension transmission feedback mechanism 3, so that the retractable locking mechanism 2 can rotate relative to the tension transmission feedback mechanism 3 around the hinge center. The hinged structure enables the retractable locking mechanism 2 to lay flat after being rotated, which solves the problem that the outwardly protruding structure occupies a large space and is inconvenient for storage and placement when installed on an actual product.

During use, the user first releases the locked state by pressing the retractable locking mechanism 2, and then pulls out the adjusting resistance band 1 to a certain position and no longer retracts the locking mechanism 2. At this time, the adjusting resistance band 1 is in the The position under the clamping abutment action of the retractable locking mechanism 2 is fixed. The front end of the adjustable resistance band 1 is fixedly connected with the holding device or directly wrapped around the user's wrist or arm. When the user performs the upward stretching action, the adjustable resistance band 1 is stretched and extended to provide resistance in the opposite direction. The user can determine the required stretching resistance and the height of the stretched position according to his body shape and action style, and adjust the adjustment by changing the clamping position of the retractable locking mechanism 2 to the adjustment fixed section 1b. The length of the resistance band 1 and the corresponding elastic resistance size.

When the user completes a stretching and relaxation process for the adjustment resistance band 1, the tension transmission feedback mechanism 3 will obtain the tension change in the process, and accordingly obtain the peak tension value and work consumption in the process through the internal program analysis and calculation. A series of data, such as energy, and send these data to the user's mobile phone or other smart devices, so that the user can accurately grasp their own exercise situation.

During the two intervals of use, since the adjustment resistance band 1 needs to be stored in the middle, the same user needs to repeat the adjustment and positioning of the clamping position of the adjustment resistance band 1 when exercising for the second time, which increases the use of of complexity. Therefore, the adjustment resistance band 1 is further optimized, and a plurality of numerical scale positions 8 are marked on the adjustment fixed section 1b of the resistance band at the same distance, so as to facilitate the user to quickly locate to the last clamping each time the device is re-deployed position to quickly locate or adjust the gripping position for new workouts.

In the process of continuous use, due to the inevitable deformation failure of the adjustable resistance band 1 in the process of repeated stretching and shrinking, compared with the initial state, stretching the adjustable resistance band 1 to the same length position will no longer It can provide enough resistance for the user, cannot ensure a stable exercise effect, and at the same time there is a potential safety hazard of breakage and damage. In the actual application process of the product, first stretch the unstretched resistance band 1 to a certain length and record the tensile force value; after a certain period of use by the user, the adjusted resistance band 1 is stretched again to the same The length and the tensile force value are recorded, and the internal program of the detection module is used for measurement and comparison, and the reliability of adjusting the resistance band 1 is analyzed to ensure the safety of the human body during the use of exercise.

Embodiment 2: Since the retractable locking mechanism 2 can rotate relative to the tension transmission feedback mechanism 3, it cannot be ensured that the force exerted by the user on the tension transmission feedback mechanism 3 by adjusting the resistance band 1 during use is completely along the In the vertical direction, at this time, the magnitude of the tensile force obtained by the measurement may not correspond to the magnitude of the force actually exerted on the adjusting resistance band 1 by the user, which greatly affects the accuracy of the detection result. Therefore, on the basis of Embodiment 1, the adjustable tension detection module is further optimized.

Since the adjustable resistance band 1 is clamped, locked and fixed by the retractable locking mechanism 2, and the locking position is far from the hinge of the retractable locking mechanism 2 and the tension transmission feedback mechanism 3, the adjustable resistance band 1 can be adjusted during use. It is regarded as an integral structure with the retractable locking mechanism 2 , that is, the stretching direction of the adjusting resistance band 1 is considered to be parallel to the deflection direction of the retracting locking mechanism 2 . Therefore, an angle sensor for measuring the degree of deflection between the two parts can be installed at the hinge of the retractable locking mechanism 2 and the tension transmission feedback mechanism 3. By combining analysis and calculation, the obtained angle value and the measuring member The vertical tension value obtained in 3c can accurately know the magnitude of the force acting on the adjustment resistance band 1 .

Embodiment 3: An adjustable tension detection device, including the adjustable tension detection module described in Embodiment 1 or 2, and a resistance band storage module 9 . The resistance band receiving module 9 includes a coil spring 9a in the shape of a disc and a fixed casing mounted on the outer side of the coil spring 9a. The ends are connected to the ends of the adjustable resistance band 1 . When the adjustable resistance band 1 is pulled out and fixed, the coil spring 9a is elastically deformed; and when the user presses the engaging locking member 2b of the retractable locking mechanism 2, the locked state of the adjustable resistance band 1 is released , Under the action of the elastic force of the coil spring 9a, the adjustment resistance band 1 is pulled back and accommodated inside the resistance band storage module 9, which reduces the space occupied by the device in the storage state, and at the same time plays an important role in the adjustment of the resistance band 1. Effective protection further enhances the compactness of the structure and the durability of the components.

In addition to the above methods, it is also possible to install a sensor capable of detecting the horizontal force, and combine the obtained vertical force value through analysis to analyze, calculate and accurately obtain the force on the adjustment resistance band 1 .

Embodiment 4: An intelligent fitness activity equipment 10, comprising a main body 10a in the shape of a flat cuboid and the adjustable tension detection device described in Embodiment 3, the adjustable tension detection device is symmetrically arranged on the main body 10a. sides. When in use, the main body 10a is placed on the ground, and the adjustable resistance bands 1 on both sides are simultaneously stretched outward to a certain length, locked and fixed, and connected to both ends of a rod at the same time through metal spring buckles. Stand with feet on both sides of the center of the main body, hold the rod with both hands and lift it upwards against elastic resistance, in the process to realize the fitness exercise action of simulating weight-bearing deadlift. Further, the user can also carry the bar on the shoulders to simulate the weight-bearing squat training action, or the user can lie on the main body 10a and lift the bar upward to simulate the bench press training action. According to the actual needs of use, the smart fitness activity equipment 10 can also simulate various series of actions such as dumbbell oblique push, flying birds, etc., and has a wide range of application methods. At the same time, the equipment is extremely safe during use, and can effectively avoid the use of equipment. Occurrence of inappropriate harm to the human body.

The above are only specific embodiments of the present invention, but the protection scope of the present invention is not limited to this. Any person skilled in the art can easily think of various equivalents within the technical scope disclosed by the present invention. Modifications or substitutions should be included within the protection scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope of the claims.

Claims

An adjustable tension detection module, characterized in that it includes an adjustable resistance band (1), a retractable locking mechanism (2) and a tension transmission feedback mechanism (3), the retractable locking mechanism (2) ) is connected with the adjustment resistance band (1), which can position and lock the adjustment resistance band (1) at different positions, and the tension transmission feedback mechanism (3) can detect the tension between its two ends. ; The lower end of the retractable locking mechanism (2) and the upper end of the tension transmission feedback mechanism (3) are connected in a hinged manner, so that the retractable locking mechanism (2) can be relative to the tension transmission feedback mechanism (3) Rotate around the central axis of the hinge.
The adjustable tensile force detection module according to claim 1, characterized in that: the adjustable resistance band (1) includes an elastic expansion and contraction section (1a) for realizing stretching and shrinking activities and a The locking mechanism (2) is connected with two parts of the adjustment fixing section (1b), the adjustment resistance band (1) passes through the retractable locking mechanism (2) and the adjustment fixing section (1b) is The retractable locking mechanism (2) is fixed.
The adjustable tensile force detection module according to claim 1, characterized in that: the retractable locking mechanism (2) comprises a connecting support (2a) and a snap fit installed on the connecting support (2a). A locking piece (2b), a clearance hole (7) for the adjusting resistance band (1) to pass through is formed between the connecting support piece (2a) and the engaging locking piece (2b), and by changing the The relative position between the snap-locking member (2b) and the connecting support member (2a) can be changed to change the size of the gap hole (10), thereby realizing the clamping, fixing or loosening of the adjustment resistance band (1). adjust.
The adjustable tensile force detection module according to claim 3, characterized in that: the connecting support (2a) and the latching locking member (2b) are installed and connected in a hinged manner, so that the latching locking member (2b) can be rotated relative to the connecting support member (2a) around the hinge center axis of the two parts; a first locking surface (4) on the side of the adjusting resistance band is formed on the snap locking member (2b) , a second locking surface (5) on the other side of the adjusting resistance band is formed on the connecting support; the clearance holes (10) are located on the first locking surface (4) and the second locking surface Between (5), when the latching and locking member (2b) is rotated in one direction, the first locking surface (4) approaches the second locking surface (5) to make the clearance hole (10). ) becomes smaller and at the same time realizes the clamping and locking effect on the adjustment resistance band (1).
The adjustable tensile force detection module according to claim 4, characterized in that: a torsion spring (6) is installed on the outer side of the locking member (2b) relative to the rotation axis of the connecting support member (2a), and the Both ends of the torsion spring (6) extend outward and abut against the connecting support (2a) and the snap-locking member (2b) respectively.
The adjustable tensile force detection module according to claim 4, characterized in that: an outwardly extending protrusion is formed on the engaging and locking member (2b) for the user to press and drive the engaging and locking member (2b). ) to rotate the pressing part (2ba).
The adjustable tension detection module according to claim 6, characterized in that: the first locking surface is formed with a latching tooth (4a) protruding outward, and the second locking surface (5) is formed There is a card slot (5a) for matching with the card teeth.
The adjustable tensile force detection module according to claim 2, wherein the tensile force transmission feedback mechanism comprises an upper connecting arm (3a), a lower connecting arm (3b) and a measuring member (3) installed between the upper and lower connecting arms. 3c); the upper connecting arm (3a) is fixedly connected with one end of the measuring member (3c), and the lower connecting arm (3b) is fixedly connected with the other end of the measuring member (3c).
The adjustable tension detection module according to claim 2, wherein a plurality of numerical scale bits (8) are marked on the adjustment fixed section (1b).
An adjustable tensile force detection device, comprising the adjustable tensile force detection module according to any one of claims 1-9, characterized in that it further comprises a resistance band storage module (9), the adjustable resistance band storage module (9) contains a centrally fixed coil spring (9a), and the end of the coil spring (9a) is fixedly connected with the end of the adjusting resistance band.