Power-assisted flexible protector and parameterized generation method thereof

Abstract

The invention discloses a power-assisted flexible protection tool which comprises one or more of a hip joint protection tool, a knee joint protection tool and an ankle joint protection tool, and the modular design can enable a user to autonomously select according to requirements. The protector reduces pressure borne by the joints by providing stability and support, stores and releases elastic energy in the movement process to achieve the assistance effect, joint dislocation, sprain and contusion can be avoided, pain is effectively relieved, and injuries are effectively prevented. The invention also discloses a power-assisted flexible protector generation method, which comprises the following steps of: scanning to obtain an original model, processing the model, writing a parameterized program, constructing a secondary development framework, adjusting parameters, perfecting a target, outputting the model, and finally packaging and carrying out one-key batch processing on the program framework. And the rapid prototyping and personalized customization efficiency of the complex wearable device is improved.

Description

Technical Field

[0001] The present invention relates to protective gear and a generation method thereof, and in particular to a power-assisted flexible protective gear and a parameterized generation method thereof. Background Art

[0002] Entering a new stage of development, the people's pursuit of high-quality life and the enhancement of sports protection awareness have become boosters for the rapid development of the wearable protective gear industry. Human joints are very easy to collide and be injured during exercise, especially the knee joints, which bear 55% of the sports injuries of the human body. Wearing corresponding protective gear can effectively reduce the risk of injury. The current sports protective gear has a relatively single form of assistance, and usually uses binding straps to cushion the joints during exercise to reduce the chance of joint injuries to the wearer. A few protective gears that use support strips generally have the problems of low convenience and poor cushioning effect, which not only affects the comfort of wearing, but also reduces the wearer's flexibility. Some existing protective gears are mainly for knee joints, and cannot take into account other joints of the human body, and the occasions of use are limited. When the joints are impacted by external forces, the existing unidirectional or bidirectional woven materials are mostly poor in strength, low in shear strength, and poor in impact resistance, and cannot provide impact protection measures, resulting in poor protection.

[0003] At the same time, wearable protective gear has a large contact area with the human body and complex surface morphology. The design of the corresponding protective gear in terms of shape and structure is affected by many factors, the amount of design data is large, and the shape modification is difficult, resulting in poor adaptability of prefabricated products to the human body. The shape design of these products is closely related to human body size, morphological surface characteristics, etc., which requires combining anthropometric data, physiological characteristics, etc., through pleasant design to meet user comfort needs.

[0004] In order to further develop the field of wearable protective gear products and obtain protective gear products with more perfect functionality and comfort, it is necessary to propose a rapid generation method for protective gear. Summary of the invention

[0005] In view of this, the main purpose of the present invention is to provide a assisted flexible protective gear, which can solve the problems in the prior art such as poor strength, low shear strength, poor impact resistance, etc., and the inability to provide impact protection measures, resulting in poor protective effect.

[0006] To achieve the above object, the technical solution of the present invention is implemented as follows: a power-assisted flexible protector, comprising: one or more of a hip joint protector, a knee joint protector, and an ankle joint protector;

[0007] The hip joint protector comprises: a hip joint protector base 1, a hip joint binding belt 2, a hip joint support strip notch 3, and a hip joint support strip 4. The hip joint protector base 1 is located in the innermost layer, the hip joint binding belt 2 is in the shape of a long strip, the middle part of the hip joint binding belt 2 is fixedly connected to the hip joint protector base 1, and the hip joint binding belt 2 has Velcro at both ends. The hip joint binding belt 2 is wrapped around the outside of the hip joint protector base 1, and the Velcro can fix the two ends of the hip joint binding belt 2; the binding belt 2 is provided with a support strip notch 3 on the side of the pelvis, and the hip joint support strip 4 is located in the support strip notch 3;

[0008] The knee joint brace comprises: a knee joint brace bottom lining 1, an annular protective structure 5, a knee joint binding belt 8, a knee joint support strip 7, and a knee joint support strip notch 6, wherein the knee joint brace bottom lining 1 is located in the innermost layer, the knee joint binding belt 8 is in the shape of an "8", the knee joint binding belt 8 is located on the outside of the knee joint brace bottom lining 1, the annular protective structure 5 is fixed on the outside of the knee joint brace bottom lining 1, the annular protective structure 5 is worn at the patella, a knee joint support strip notch 6 is provided on the knee joint brace bottom lining 1, and the knee joint support strip 7 is located in the knee joint support strip notch 6;

[0009] The ankle brace comprises: an ankle brace base 18, an ankle strap 10, and an ankle support strip 12. The ankle brace base 18 is located at the innermost layer, the ankle strap 10 is located outside the ankle brace base 18, the ankle strap 10 is X-shaped, and the ankle support strip 12 is fixed between the ankle brace base 18 and the ankle strap 10.

[0010] The hip joint protector base 1, the knee joint protector base 1 and the ankle joint protector base 1 are all made of three-dimensional woven materials.

[0011] Preferably, the hip joint protector further comprises: a hip joint anti-slip strip 13, wherein the hip joint anti-slip strip 13 is located on the inner side of the bottom lining 1 of the hip joint protector;

[0012] The knee joint protector further comprises: a knee joint anti-slip strip 14, wherein the knee joint anti-slip strip 14 is located on the inner side of the knee joint bottom lining 17;

[0013] The ankle joint protector further comprises: an ankle joint anti-slip strip 15, wherein the ankle joint anti-slip strip 15 is located on the inner side of the ankle joint base 18;

[0014] Preferably, the ankle brace further comprises: an ankle Velcro 11 , the ankle Velcro 11 is adhered to the outside of the ankle brace bottom lining 1 , and the ankle support strip 12 is fixed between the ankle brace bottom lining 1 and the ankle Velcro 11 .

[0015] The present invention provides a power-assisting flexible protective gear, including: one or more of a hip joint protector, a knee joint protector, and an ankle joint protector, and has the following beneficial effects: the modular design allows users to choose according to their needs. The protective gear reduces the pressure on the joints by providing stability and support, and stores and releases elastic energy during exercise to achieve a power-assisting effect, which can avoid joint dislocation, sprains and bruises, and effectively relieve pain and prevent injuries. The fiber bundles of the three-dimensional woven material extend in multiple directions in space and cross each other, fundamentally overcoming the shortcomings of unidirectional and two-directional structural materials such as poor anti-debonding, poor strength, low shear strength, and poor impact resistance, and have higher mechanical properties, impact toughness, and structural designability, etc., which improves the wearing comfort of the protective gear.

[0016] The present invention also provides a method for producing a power-assisted flexible protective gear, comprising the following steps:

[0017] Step 1: Use a 3D scanning device to build a scanning platform for the target action, select the target area of ​​the body, and complete the transcription of the body data;

[0018] Step 2: Import the original model obtained by scanning with a 3D scanner into any reverse engineering software (Geomagic studio) to pre-process the model, cut redundant data, delete noise point clouds, and perform filtering functions to obtain a preliminary processed model of key target parts of the shape;

[0019] Step 3: Write a parametric program in the Rhino Grasshopper plug-in of the modeling software and build a secondary development framework;

[0020] Step 4: Then, according to the design requirements, check the overall protective gear effect, calibrate and adjust the parameters, improve the target and output the model;

[0021] Step 5. Finally, in order to design body shape input and protective gear for multiple regions and a wide range of people, select the above step 3 action for secondary development, package the program framework, and process it in batches with one click.

[0022] Preferably, step 3 comprises:

[0023] Step 3.1, process the preprocessed shape data. According to the size requirements, take the model space focus as the origin, establish equidistant segmentation lines on both sides, and generate segmentation surfaces to lay the foundation for reconstructing the surface. The segmentation parameters can be adjusted by the parameter slider according to specific needs.

[0024] Step 3.2, based on the segmentation surface obtained above, map and regress the original shape data model, and use the lofting function to fit the Nubrs curve and surface.

[0025] Step 3.3, offset the thickness command of the obtained fitting surface to obtain the wearable protective gear matrix. According to the needs of different regions, change the offset parameters to achieve the purpose of changing the stiffness of the protective gear matrix in different regions.

[0026] Step 3.4, based on the protective gear model and the human body shape, design and establish hip joint straps, knee joint straps, and ankle joint straps, and apply binding capabilities.

[0027] Step 3.5, since the hip joint, knee joint and ankle joint mostly perform flexion, rotation and other movements in the sagittal plane, the hip joint support bar, knee joint support bar and ankle joint support bar are created in the sagittal plane. Similarly, based on the protective gear model and due to the human body shape, the size and shape of the hip joint support bar, knee joint support bar and ankle joint support bar are designed and adjusted. It has modular characteristics and the hip joint support bar, knee joint support bar and ankle joint support bar are replaceable.

[0028] Preferably, step 5 comprises:

[0029] Step 5.1, enter the software, the first layer of the interface sets up three functional modules: "shape scanning", "parameter preset" and "batch generation".

[0030] Step 5.2, first select the "Body Scanning" function module, and use the "One-key Scanning" function with the 3D scanning hardware device to obtain the scan file and quickly generate the scan image. And for the original body scan file obtained, select the "Quick Processing" function to complete the preprocessing and obtain the model data that can be used later.

[0031] In step 5.3, select the "Parameter Preset" function module to set all the parameters required for model processing in advance, which greatly reduces the steps of batch operations and improves design efficiency.

[0032] Step 5.4, select the "Batch Generate" function module, select the required files, check the preset parameter values, select and set the "Save Path", "File Name" and "File Format" respectively, and select the "Generate" button to achieve rapid drawing.

[0033] The present invention provides a method for generating an assisted flexible protective gear. The nonlinear design of the overall and local components of the protective gear is realized through parametric software. The original data obtained by three-dimensional scanning is processed to obtain a three-dimensional model, and the flexible substrate, support bars, straps and buffer gaskets in the annular protective structure 5 are designed accordingly. The modular design can disassemble and combine the obtained components according to different sports environments, thereby improving the efficiency of rapid prototyping and personalized customization of complex wearable devices. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0035] Figure 1 A technical roadmap for a method for generating a power-assisted flexible protective gear according to an embodiment of the present disclosure;

[0036] Figure 2 The following are specific implementation steps of a method for generating a power-assisted flexible protective gear according to an embodiment of the present disclosure;

[0037] Figure 3 It is a schematic structural diagram of a hip joint protector of a power-assisted flexible protector according to an embodiment of the present disclosure;

[0038] Figure 4 It is a schematic diagram of the structure of a hip joint protector when the hip joint binding belt is untied according to an embodiment of the present disclosure;

[0039] Figure 5 It is a schematic structural diagram of a knee joint brace of a power-assisted flexible brace according to an embodiment of the present disclosure;

[0040] Figure 6 It is a schematic diagram of the structure of a knee joint protector when the knee joint binding belt is untied according to an embodiment of the present disclosure;

[0041] Figure 7 It is a schematic structural diagram of an ankle joint protector of a power-assisted flexible protector according to an embodiment of the present disclosure;

[0042] Figure 8 It is a schematic diagram of the structure of an ankle joint protector when the ankle joint binding strap is untied according to an embodiment of the present disclosure;

[0043] Fig. 9 is a schematic diagram of a single-sided support strip according to an embodiment of the present disclosure;

[0044] Fig.10 is a schematic diagram of a double-sided support strip according to an embodiment of the present disclosure;

[0045] Fig.11 A simplified illustration of a support bar structure according to an embodiment of the present disclosure;

[0046] Fig.12 It is a schematic diagram of the dimensions of a support bar according to an embodiment of the present disclosure.

[0047]

Main component symbol description

[0048] 1. Hip joint protector base lining; 2. Hip joint binding strap; 3. Hip joint support strip notch; 4. Hip joint support strip; 5. Annular protection structure; 6. Knee joint support strip notch; 7. Knee joint support strip; 8. Knee joint binding strap; 9. Velcro; 10. Ankle joint binding strap; 11. Ankle joint Velcro; 12. Ankle joint support strip; 13. Hip joint anti-slip strip; 14. Knee joint anti-slip strip; 15. Ankle joint anti-slip strip; 17. Knee joint protector base lining; 18. Ankle joint protector base lining; 19 Variable cross-section area; 20 Fixed cross-section area. DETAILED DESCRIPTION

[0049] The method of the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments of the present invention.

[0050] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0051] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0052] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchangeable where appropriate, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein, for example. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units that are clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0053] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used here to describe the spatial positional relationship between a device or feature and other devices or features as shown in the figure. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figure. For example, if the device in the accompanying drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below other devices or structures". Thus, the exemplary term "above" can include both "above" and "below". The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatially relative descriptions used here are interpreted accordingly.

[0054] See also Figure 1-Figure 12 The present invention provides a technical solution: a power-assisted flexible protective gear, characterized in that it includes: one or more of a hip joint protector, a knee joint protector, and an ankle joint protector; the modular design allows users to choose according to their needs. The protective gear reduces the pressure on the joints by providing stability and support, and stores and releases elastic energy during exercise to achieve a power-assisted effect, which can avoid joint dislocation, sprains and contusions, and effectively relieve pain and prevent injuries.

[0055] The hip joint protector comprises: a hip joint protector base 1, a hip joint binding belt 2, a hip joint support strip notch 3, and a hip joint support strip 4. The hip joint protector base 1 is located in the innermost layer. The hip joint binding belt 2 is in the shape of a long strip. The middle part of the hip joint binding belt 2 is fixedly connected to the hip joint protector base 1. The hip joint binding belt 2 has Velcro at both ends. The hip joint binding belt 2 is wrapped around the outside of the hip joint protector base 1. The Velcro can fix the two ends of the hip joint binding belt 2. The binding belt 2 has a support strip notch 3 on the side of the pelvis, and the hip joint support strip 4 is located in the support strip notch 3. The hip joint binding belt 2 generates three-point fixed pressure. The pressure at the pelvis and thigh can fix the greater trochanter of the hip joint on the lunar surface of the acetabular labrum, thereby protecting the hip joint. The hip joint binding belt 2 located at the waist is close to the human waist, stabilizes the lumbar spine, disperses the pressure on the waist muscles, and reduces lumbar muscle strain. During exercise, the replaceable hip joint support strip 4 on the side of the thigh and pelvis undergoes elastic deformation due to external force, generating reverse stress, which is applied to the joint to assist it and reduce the energy consumed by the human body.

[0056] The knee joint brace includes: a knee joint brace bottom 17, an annular protective structure 5, a knee joint binding belt 8, a knee joint support strip 7, and a knee joint support strip notch 6. The knee joint brace bottom 17 is located in the innermost layer, the knee joint binding belt 8 is in the shape of an "8", the knee joint binding belt 8 is located on the outside of the knee joint brace bottom 1, the annular protective structure 5 is fixed on the outside of the knee joint brace bottom 1, the annular protective structure 5 is worn at the patella, the knee joint brace bottom 17 is provided with a knee joint support strip notch 6, and the knee joint support strip 7 is located in the knee joint support strip notch 6; the annular protective structure 5 adopts a ring-shaped new mechanical intelligent material P4U, which is a non-Newtonian fluid material and a new intelligent vibration reduction and energy absorption material. P4U can present two physical states. It is in a relaxed state under normal conditions. Once it is subjected to a severe collision or impact, the molecules immediately lock with each other, which can quickly absorb external forces and form a protective layer. The knee joint bandage 8 is an "8"-shaped high-pressure layer woven fabric, which can improve the wrapping of the protective gear, cushion and reduce pressure, enhance support, disperse patellar pressure, protect the patella and limit the tendency of lateral dislocation. The knee joint support strips 7 on both sides are serialized special-shaped structures, which can achieve a power-assisting effect while not causing a foreign body sensation when worn. The knee joint bandage 8 is in the shape of an "8", that is, the middle position of the knee joint bandage 8 is connected to the knee joint protective gear base 17 at the popliteal fossa, and then the two ends of the knee joint bandage 8 are respectively passed around the front of the calf and the popliteal fossa, and finally fixed to the front of the thigh.

[0057] The ankle brace includes: an ankle brace base 18, an ankle strap 10, and an ankle support strip 12. The ankle brace base 18 is located in the innermost layer, the ankle strap 10 is located outside the ankle brace base 18, the ankle strap 10 is X-shaped, and the ankle support strip 12 is fixed between the ankle brace base 1 and the ankle strap 10. The ankle brace can effectively prevent ligament tearing and ankle sprain. The ankle support strip 12 is placed on the inner side of the ankle joint, avoiding the ankle convex position. When it is impacted by external force, it produces elastic deformation and has a reverse force on the joint, thereby achieving a shock-absorbing effect. The ankle support strip 12 stores the mechanical energy during the movement of the ankle joint, releases energy when the ankle joint is plantar flexed, and assists the ankle joint in doing positive work. The ankle strap 10 is X-shaped, which applies horizontal pressure to fix the ankle and stretches the arch longitudinally to prevent the foot from turning inside out. At the same time, the brace avoids the heel to improve the wearing comfort. The ankle joint binding belt 10 is in an X-shape, which means that the ankle joint binding belt 10 passes through the sole of the foot and the back of the ankle and crosses at the front of the ankle.

[0058] The backing lining 1 of the hip joint protector, the backing lining 17 of the knee joint protector, and the backing lining 18 of the ankle joint protector are all made of three-dimensional woven materials. The fiber bundles of the three-dimensional woven material 1 extend in multiple directions in space and cross each other, breaking through the limitations of the unidirectional structure of traditional woven materials. The three-dimensional mesh space structure with high-density weaving fundamentally overcomes the shortcomings of poor anti-dispersion, poor strength, low shear strength, and poor impact resistance of unidirectional and two-dimensional structural materials. It has high mechanical properties, impact toughness, and structural designability, etc., which improves the wearing comfort of the protector. A three-dimensional four-step circular weaving method is adopted. In this method, the yarn carrier moves according to a certain rule to make the yarns intertwined in space, and then squeezes the interwoven yarns together through a tightening movement to form an overall woven fabric with a certain tightness and a certain shape, which can effectively enhance the multi-dimensional impact resistance. High-density weaving uses a blended fabric of new intelligent material spinning, high-performance polymer composite cotton and polyester, which has good comprehensive mechanical properties, high fit, good air permeability, strong wrapping, wear resistance and durability.

[0059] The ankle support also includes: an ankle Velcro 11, which is attached to the outside of the ankle support backing 18, and an ankle support strip 12 is fixed between the ankle support backing 18 and the ankle Velcro 11. In this way, the ankle support strip 12 can be replaced according to the usage scenario. When replacing, the ankle support strip 12 can be removed by simply removing the ankle Velcro 11 and then replaced with a new ankle support strip 12.

[0060] The hip joint protector also includes: a hip joint anti-slip strip 13, which is located on the inner side of the hip joint protector base 1, and the hip joint anti-slip strip 13 can prevent the hip joint protector from being displaced due to muscle contraction during exercise; the knee joint protector also includes: a knee joint anti-slip strip 14, which is located on the inner side of the knee joint base 17, and the knee joint anti-slip strip 14 can prevent the knee joint protector from being displaced due to knee contraction during exercise; the ankle joint protector also includes: an ankle joint anti-slip strip 15, which is located on the inner side of the ankle joint base 18, and the ankle joint anti-slip strip 15 can prevent the ankle joint protector from being displaced due to muscle contraction during exercise.

[0061] The present application also discloses a method for generating a power-assisted flexible protective gear, which is used to generate a power-assisted flexible protective gear, comprising the following steps:

[0062] Step 1: Use a 3D scanning device to build a scanning platform for the target action, select the target area of ​​the body, and complete the transcription of the body data;

[0063] Step 2: Import the original model obtained by scanning with a 3D scanner into any reverse engineering software (Geomagic studio) to pre-process the model, cut redundant data, delete noise point clouds, and perform filtering functions to obtain a preliminary processed model of key target parts of the shape;

[0064] Step 3: Write a parametric program in the Rhino Grasshopper plug-in of the modeling software and build a secondary development framework;

[0065] Step 4: Then, according to the design requirements, check the overall protective gear effect, calibrate and adjust the parameters, improve the target and output the model;

[0066] Step 5. Finally, in order to design body shape input and protective gear for multiple regions and a wide range of people, select the above step 3 action for secondary development, package the program framework, and process it in batches with one click.

[0067] Wherein, step 3 comprises:

[0068] Step 3.1, process the preprocessed shape data. According to the size requirements, take the model space focus as the origin, establish equidistant segmentation lines on both sides, and generate segmentation surfaces to lay the foundation for reconstructing the surface. The segmentation parameters can be adjusted by the parameter slider according to specific needs.

[0069] Step 3.2, based on the segmentation surface obtained above, map and regress the original shape data model, and use the lofting function to fit the Nubrs curve and surface.

[0070] Step 3.3, offset the thickness command of the obtained fitting surface to obtain the wearable protective gear matrix. According to the needs of different regions, change the offset parameters to achieve the purpose of changing the stiffness of the protective gear matrix in different regions.

[0071] Step 3.4, based on the protective gear model and the human body shape, design and establish hip joint straps, knee joint straps, and ankle joint straps, and apply binding capabilities.

[0072] Step 3.5, since the hip joint, knee joint and ankle joint mostly perform flexion, rotation and other movements in the sagittal plane, the hip joint support bar, knee joint support bar and ankle joint support bar are created in the sagittal plane. Similarly, based on the protective gear model and due to the human body shape, the size and shape of the hip joint support bar, knee joint support bar and ankle joint support bar are designed and adjusted. It has modular characteristics and the hip joint support bar, knee joint support bar and ankle joint support bar are replaceable.

[0073] When exercising on flat ground, use Fig. 9 The unilateral support bar shown in the figure (the support bar is a general term for the hip joint support bar, the knee joint support bar, and the ankle joint support bar) is designed according to the human body shape and the principle of modular replacement. The hip joint support bar and the knee joint support bar are "I" type, and the ankle joint support bar is "L" type, that is, Fig.10As shown in the figure, the four left side bars are for hip joint support and knee joint support, and the three right side bars are for ankle joint support. Take the knee joint as an example: the knee joint bends within the normal range, which produces a small buffer resistance and ensures the flexibility of the knee joint movement. When climbing or descending, choose Fig.10 The bilateral support strip shown is now explained using the knee joint as an example: when climbing or descending, the knee joint bends more, the serrations fit tightly together, and the support strip body generates greater resistance, cushioning the large bending of the knee joint and preventing knee joint injury. The unilateral knee support strip has sparsely arranged serrations, high bendability, and large deformation, which is suitable for low-intensity exercise; the bilateral support strip has a large number of serrations and is densely arranged, with strong cushioning performance and high resilience, which is suitable for high-intensity exercise.

[0074] The simplified structure of the knee joint support bar, the hip joint support bar and the ankle joint support bar (hereinafter collectively referred to as the support bar) is shown as follows: Fig.11 The support bar includes: a variable cross-section area 19 and a fixed cross-section area 20. For the convenience of analysis, the change curve in the middle of the variable cross-section area 19 is a parabola. A fillet 21 is set between the fixed cross-section area 20 and the parabola. The radius of the fillet 21 is r. Fig.12 As shown, the variable cross-section area 19 of the support bar is used. The midline of the variable cross-section area 19 is the x-axis, and the leftmost side of the support bar is the y-axis to establish the xoy rectangular coordinate. Then the center of the fillet 21 is on the y-axis. Assuming that the length of the variable cross-section area 19 is l, the maximum width dimension is h, and the minimum width dimension is h0, h = δh0, where δ is the cross-section coefficient of the support bar. Assuming that the length of any point from the y-axis is the variable x, then h(x) represents the cross-section width along the y-axis at that point. t is the distance between the far point o of the coordinate system and the center of the fillet 21, then:

[0075] (1) When When, and when hour, When , h(x) has the following relationship,

[0076]

[0077] (2) When When t=0, h(x) has the following relationship:

[0078]

[0079] Among them, l1 is the distance between the connection point of the left fillet 21 and the parabola and the y-axis, and l2 is the distance between the corresponding h0 and the y-axis; l3 is the distance between the connection point of the right fillet and the parabola and the y-axis; θ1 and θ2 respectively represent the angles of the left and right arcs.

[0080] Step 5 includes:

[0081] Step 5.1, enter the software, the first layer of the interface sets up three functional modules: "shape scanning", "parameter preset" and "batch generation".

[0082] Step 5.2, first select the "Body Scanning" function module, and use the "One-key Scanning" function with the 3D scanning hardware device to obtain the scan file and quickly generate the scan image. And for the original body scan file obtained, select the "Quick Processing" function to complete the preprocessing and obtain the model data that can be used later.

[0083] In step 5.3, select the "Parameter Preset" function module to set all the parameters required for model processing in advance, which greatly reduces the steps of batch operations and improves design efficiency.

[0084] Step 5.4, select the "Batch Generate" function module, select the required files, check the preset parameter values, select and set the "Save Path", "File Name" and "File Format" respectively, and select the "Generate" button to achieve rapid drawing.

Claims

1. A power-assisted flexible protective gear, characterized in that: include: One or more of hip braces, knee braces, and ankle braces; The hip joint protector comprises: a hip joint protector base 1, a hip joint binding belt 2, a hip joint support strip notch 3, and a hip joint support strip 4. The hip joint protector base 1 is located in the innermost layer, the hip joint binding belt 2 is in the shape of a long strip, the middle part of the hip joint binding belt 2 is fixedly connected to the hip joint protector base 1, and the hip joint binding belt 2 has Velcro at both ends. The hip joint binding belt 2 is wrapped around the outside of the hip joint protector base 1, and the Velcro can fix the two ends of the hip joint binding belt 2; the binding belt 2 is provided with a support strip notch 3 on the side of the pelvis, and the hip joint support strip 4 is located in the support strip notch 3; The knee joint brace comprises: a knee joint brace bottom lining 17, an annular protective structure 5, a knee joint binding belt 8, a knee joint support strip 7, and a knee joint support strip notch 6, wherein the knee joint brace bottom lining 17 is located in the innermost layer, the knee joint binding belt 8 is in the shape of an "8", the knee joint binding belt 8 is located on the outside of the knee joint brace bottom lining 17, the annular protective structure 5 is fixed on the outside of the knee joint brace bottom lining 17, the annular protective structure 5 is worn at the patella, a knee joint support strip notch 6 is provided on the knee joint brace bottom lining 17, and the knee joint support strip 7 is located in the knee joint support strip notch 6; The ankle brace comprises: an ankle brace base 18, an ankle strap 10, and an ankle support strip 12, wherein the ankle brace base 18 is located at the innermost layer, the ankle strap 10 is located outside the ankle brace base 18, the ankle strap 10 is X-shaped, and the ankle support strip 12 is fixed between the ankle brace base 18 and the ankle strap 10; The hip joint protector backing 1, the knee joint protector backing 17 and the ankle joint protector backing 18 are all made of three-dimensional woven materials.

2. The power-assisted flexible protective gear according to claim 1, characterized in that: The ankle joint protector further comprises: an ankle joint Velcro 11 , wherein the ankle joint Velcro 11 is adhered to the outside of the ankle joint protector base 1 , and the ankle joint support strip 12 is fixed between the ankle joint protector base 1 and the ankle joint Velcro 11 .

3. The power-assisted flexible protective gear according to claim 1, characterized in that: The hip joint protector further comprises: a hip joint anti-slip strip 13, wherein the hip joint anti-slip strip 13 is located on the inner side of the hip joint protector bottom lining 1; The knee joint protector further comprises: a knee joint anti-slip strip 14, wherein the knee joint anti-slip strip 14 is located on the inner side of the knee joint bottom lining 17; The ankle joint protector further includes an ankle joint anti-slip strip 15 , and the ankle joint anti-slip strip 15 is located on the inner side of the ankle joint base 18 .

4. A method for generating a power-assisted flexible protective gear, used to generate the power-assisted flexible protective gear described in claims 1 to 3, characterized in that: The following steps are involved: Step 1: Use a 3D scanning device to build a scanning platform for the target action, select the target area of ​​the body, and complete the transcription of the body data; Step 2: Import the original model obtained by scanning with a 3D scanner into any reverse engineering software (Geomagic studio) to pre-process the model, cut redundant data, delete noise point clouds, and perform filtering functions to obtain a preliminary processed model of key target parts of the shape; Step 3: Write a parametric program in the Rhino Grasshopper plug-in of the modeling software and build a secondary development framework; Step 4: Then, according to the design requirements, check the overall protective gear effect, calibrate and adjust the parameters, improve the target and output the model; Step 5. Finally, in order to design body shape input and protective gear for multiple regions and a wide range of people, select the above step 3 action for secondary development, package the program framework, and process it in batches with one click.

5. The method for generating a power-assisted flexible protective gear according to claim 4, characterized in that: Step 3 includes: Step 3.1, process the pre-processed shape data, and establish equidistant segmentation lines on both sides with the model space focus as the origin according to the size requirements, and generate segmentation surfaces to lay the foundation for reconstructing the surface. The segmentation parameters can be adjusted by the parameter slider according to specific needs; Step 3.2, according to the segmentation surface obtained above, the original shape data model is mapped and regressed, and the lofting function is used to fit the Nubrs curve and surface; Step 3.3, offset the thickness command of the obtained fitting surface to obtain the wearable protective gear matrix, and change the offset parameters according to the needs of different regions to achieve the purpose of changing the stiffness of the protective gear matrix in different regions; Step 3.4, based on the protective gear model and the human body shape, design and establish hip joint straps, knee joint straps, and ankle joint straps, and apply the binding capacity; Step 3.5, since the hip joint, knee joint and ankle joint mostly perform flexion, rotation and other movements in the sagittal plane, the hip joint support bar, knee joint support bar and ankle joint support bar are created in the sagittal plane. Similarly, based on the protective gear model and due to the human body shape, the size and shape of the hip joint support bar, knee joint support bar and ankle joint support bar are designed and adjusted. It has modular characteristics and the hip joint support bar, knee joint support bar and ankle joint support bar are replaceable.

6. The method for producing a power-assisted flexible protective gear according to claim 4, characterized in that: Step 5 includes: Step 5.1, enter the software, the first layer interface sets up three functional modules: "body scanning", "parameter preset" and "batch generation"; Step 5.2, first select the "body scanning" function module, use the "one-key scanning" function, cooperate with the 3D scanning hardware equipment to obtain the scan file and quickly generate the scan image. And for the original body scan file obtained, select the "quick processing" function to complete the preprocessing and obtain the model data that can be used later; Step 5.3, select the "Parameter Preset" function module to set all the parameters required for model processing in advance, which greatly reduces the steps of batch operation and improves design efficiency; Step 5.4, select the "Batch Generate" function module, select the required files, check the preset parameter values, select and set the "Save Path", "File Name", and "File Format" respectively, and select the "Generate" button to achieve rapid drawing.

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