Detachable multipurpose waist support device

Abstract

The invention discloses a detachable multipurpose waist protecting device which comprises a waistband body, a second supporting structure is arranged in the center of one side of the waistband body, first supporting structures are symmetrically arranged on the two sides of the waistband body, and each first supporting structure comprises a hook-and-loop fastener arranged at the two ends of the waistband body. Flexible supporting sheets are symmetrically arranged on the waistband body between the two hook-and-loop fasteners; the second supporting structure comprises three long arc plates arranged on one side of the waistband body, short arc plates are symmetrically arranged on the two sides of the three long arc plates, long fixing plates are arranged at the positions, matched with the long arc plates, in the waistband body, and short fixing plates are arranged at the positions, matched with the short arc plates, in the waistband body. The device is structurally provided with the long arc plate and the short arc plate, optimal waist support can be provided, the waist of a patient can be better supported, and the device is provided with the completely adjustable strap and the fixing elastic band, so that the device can better fix and support the waist on the electric vehicle.

Description

Technical Field

[0001] This invention relates to the field of lumbar support technology, specifically a detachable multi-purpose lumbar support device. Background Technology

[0002] With the development of society, people often need to sit for long periods of time. Prolonged sitting and poor posture have become one of the main causes of lower back pain. Therefore, people usually choose to wear protective gear, such as lumbar support belts, to provide lumbar support and relieve lower back pain. According to an existing type of waist support belt, there is a waist belt body, a vertical support component in the middle of the waist belt body, and an elastic band assembly on the support component, which is fixed in conjunction with the support component; the support component includes an inner support strip, a middle support strip and an outer support strip fixedly arranged in sequence, the elastic band assembly includes an upper elastic band and a lower elastic band, both ends of the upper elastic band are detachably fixed to the inner support strip or the outer support strip, the lower support band includes a first elastic strip and a second elastic strip, one end of the first elastic strip and the second elastic strip are respectively fixed to the middle support strip, and the other end is detachably fixed to the front of the waist belt body during use.

[0003] Although the belt can provide some support for the waist, the external support strips will gradually deform with use, causing it to lose its original function. Therefore, a detachable multi-purpose waist support device is designed to solve the above problems. Summary of the Invention

[0004] To achieve the above objectives, the present invention provides the following technical solution: A detachable multi-purpose waist support device includes a waist belt body. A second support structure is provided at the center of one side of the waist belt body. First support structures are symmetrically provided on both sides of the waist belt body. The first support structure includes hook and loop fasteners at both ends of the waist belt body. Flexible support pieces are symmetrically provided between the two hook and loop fasteners on the waist belt body. A set of cross elastic bands is symmetrically provided between the two flexible support pieces. A fixed back strap is provided at the upper end of the waist belt body. Fixed elastic bands are symmetrically provided at the lower end of the waist belt body. The second support structure includes three elongated arc plates on one side of the waist belt body, short arc plates symmetrically arranged on both sides of the three elongated arc plates, an elongated fixing plate inside the waist belt body that matches the elongated arc plates, and a short fixing plate inside the waist belt body that matches the short arc plates. Both the two short fixing plates and the elongated fixing plates are hollow inside and open at the top. Springs are installed inside the two short fixing plates and the elongated fixing plates at the top of the base plate. A second pull plate is installed inside the two short fixing plates at the top of the springs, and a first pull plate is installed inside the three elongated fixing plates at the top of the springs.

[0005] Secondly, a first back plate is provided on the side of the three long arc plates near the waist belt body. The outer walls at both ends of the three long arc plates are in contact with and fused to the outer wall of one side of the first back plate. A second back plate is provided on the side of the two short arc plates near the waist belt body. The outer walls at both ends of the two short arc plates are in contact with and fused to the outer wall of one side of the second back plate. A first movable slot is provided at the center of the outer wall of the three long fixing plates near the first back plate. A connecting slot is provided at the position on the inner wall of the waist belt body that matches the first movable slot.

[0006] Then, each set of cross elastic bands includes two cross elastic bands, and each cross elastic band has a movable fixing block in the middle. The inner wall of each movable fixing block is in contact with the outer wall of the cross elastic band and is movably connected. One side of the outer wall of each movable fixing block is in contact with one side of the outer wall of the waist belt body and is sewn together. One side of the outer wall of each set of cross elastic bands is in contact with one side of the outer wall of the waist belt body and is movably connected. The side of the two sets of cross elastic bands away from each other is in contact with one side of the outer wall of the flexible support piece and is sewn together. The other side of the two sets of cross elastic bands is in contact with one side of the outer wall of the waist belt body and is sewn together.

[0007] Then, each of the three first back plates has a connecting block on one side of the outer wall near the long fixed plate and at a position that matches the first movable slot. One end of the outer wall of each of the three connecting blocks is in contact with one side of the outer wall of the first back plate and is fixedly connected. The other end of each of the three connecting blocks has a buckle block. One side of the outer wall of each of the three buckle blocks is in contact with one end of the outer wall of the connecting block and is fixedly connected. The two short fixed plates have a second movable slot at the center of the outer wall near the short arc plate. The lower end of the fixed shoulder strap is in contact with the upper outer wall of the waist belt body and is connected by stitch. One end of each of the two fixed elastic bands is in contact with the lower outer wall of the waist belt body.

[0008] Subsequently, connecting plates are provided at the ends of the two fixed elastic bands away from the waist belt body, and fixed shaft blocks are fixedly connected to the opposite sides of the two connecting plates. A stop block is provided at the end of the outer wall of the two fixed shaft blocks near the connecting plates. A hook and loop fastener is in contact with the side of the waist belt body away from the flexible support piece and is connected by stitch. A hook and loop fastener is in contact with the side of the waist belt body near the flexible support piece and is connected by stitch. A first elastic band is provided between the two flexible support pieces located between the hook and loop fasteners. The ends of the two first elastic bands away from the opposite sides are in contact with the outer wall of the hook and loop fastener and are connected by stitch. The ends of the two first elastic bands away from the hook and loop fasteners are in contact with the outer wall of the flexible support piece and are connected by stitch.

[0009] Furthermore, the upper ends of both connecting plates are in contact with the lower ends of the fixed elastic bands and are connected by stitches. One side of the outer wall of each of the two first elastic bands is in contact with one side of the outer wall of the waist belt body and is movably connected. The waist belt body is provided with second elastic bands at both the upper and lower ends of the flexible support piece. The ends of the four second elastic bands away from each other are in contact with one side of the outer wall of the hook and loop fastener and are connected by stitches. The other ends of the four second elastic bands are in contact with the outer wall of the flexible support piece and are connected by stitches. The inner walls of the two abutments are in contact with the outer walls of the fixed shaft blocks. Slide rails are symmetrically provided on the opposite sides of the two fixed shaft blocks.

[0010] Furthermore, both slide rails are internally connected with rollers, the inner walls of both rollers are in contact with the outer wall of the fixed shaft block, and a fixing nut is provided on the side of each roller near the slide rail. The outer wall of one side of each fixing nut is in contact with the outer wall of one side of each roller, and the outer wall of each fixing nut is in contact with the inner wall of the slide rail. Threaded grooves are provided through the outer wall of each connecting plate away from the opposite side and matching the fixed shaft block. Both threaded grooves penetrate one side of the outer wall of the fixed shaft block, and threaded rods are provided inside each threaded groove. The outer walls of both threaded rods are in contact with the inner wall of the threaded groove and are threadedly connected. A screw block is fixedly connected to the end of each threaded rod away from the fixed shaft block, and the outer wall of the end of each threaded rod away from the screw block is in contact with the inner wall of the threaded groove and is threadedly connected.

[0011] Furthermore, a connecting groove is provided on the inner wall of the belt body near the short arc plate, at the position that matches the second movable groove. A connecting block is provided on the side of the two second back plates near the short fixed plate, at the position that matches the connecting groove. One end of the two connecting blocks is in contact with the center of the outer wall of one side of the second back plate and is fixedly connected. One side of the outer wall of the two buckle blocks is in contact with the outer wall of one side of the connecting block and is fixedly connected.

[0012] Furthermore, the upper ends of both springs are in contact with and hooked to the lower ends of the second pull plates, and the ends of the two second pull plates away from the springs extend into the upper openings of the short fixed plates. The upper ends of all three springs are in contact with and hooked to the lower ends of the first pull plates, and the ends of the three first pull plates away from the springs extend into the upper openings of the long fixed plates.

[0013] Furthermore, a fixing groove is provided through the outer wall of one side of each of the three first pull plates at the position that matches the first movable slot, and a fixing groove is provided through the outer wall of one side of each of the two second pull plates at the position that matches the second movable slot. The outer wall of each connecting block and buckle block is in contact with the connecting slot, the first movable slot and the inner wall of the long fixed plate and is movably connected. The waist belt body is sewn with partition lines on both sides of the long fixed plate and the short fixed plate.

[0014] In summary, the present invention has the following main beneficial effects: 1. This device features a long and short curved plate structure, designed based on ergonomic principles to provide optimal lumbar support and better support for the patient's lower back. The elastic structure is divided into two parts for a better fit to the patient's waist. The long and short curved plates are detachable, allowing for replacement even if they deform with use, facilitating patient use. It also includes a fully adjustable back strap to prevent slippage or movement during use. Furthermore, this medical lumbar support device can be used in various situations, such as while riding an electric vehicle. Its fixed elastic band design makes it suitable for different models of electric vehicles, providing lumbar support without affecting normal driving. 2. First, the patient holds the long fixing plate with one hand, using their thumb and forefinger to push the exposed part of the first pull plate so that the fixing groove overlaps with the first movable groove. Next, the patient aligns the buckle block on the long arc plate with the fixing groove and inserts it. The short arc plate works on the same principle. Then, the patient holds both ends of the waist belt body and aligns the second support structure with their lower back and sides, applying force away from the waist belt body. At this time, the cross elastic band, the first elastic band, and the second elastic band are gradually stretched apart as the patient applies force. Then, the patient overlaps the two hook and loop fasteners together. Under the action of the two hook and loop fasteners, the waist belt body is firmly fixed to the patient's waist, providing support for the patient's waist. Next, the patient holds the connecting plate at the lower end of the fixing elastic band with one hand and inserts the fixing axle block into the roller axle. Then, the patient holds the current position and twists the screw block to rotate the threaded rod into the fixing nut. The other side is the same. Attached Figure Description

[0015] Figure 1 This is a plan view of the overall appearance of the invention; Figure 2 This is a schematic diagram of the disassembled second support structure of the present invention; Figure 3 This is an isometric view of the long arc plate structure of this invention; Figure 4 This is an isometric view of the relevant structure of the short arc plate of the present invention; Figure 5 This is an isometric view of the snap-fit ​​block of the present invention; Figure 6 This is a perspective view of the spring-related plan view of the present invention; Figure 7 This is an exploded view of the connecting plate structure of the present invention.

[0016] Figure Descriptions: 100, Waistband body; 200, First support structure; 211, Hook and loop fastener; 212, First elastic band; 213, Second elastic band; 221, Flexible support piece; 222, Cross elastic band; 223, Movable fixing block; 300, Second support structure; 311, Long curved plate; 312, First back plate; 313, Long fixing plate; 314, First movable slot; 315, First pull plate; 321, Short curved plate; 322, Second back plate; 323 324. Short fixed plate; 325. Second movable slot; 326. Second pull plate; 327. Fixed slot; 328. Spring; 339. Connecting block; 330. Buckle block; 331. Connecting slot; 322. Connecting slot; 333. Partition line; 400. Fixed shoulder strap; 500. Fixed elastic band; 511. Connecting plate; 512. Fixed shaft block; 513. Abutment block; 514. Tightening block; 515. Threaded rod; 516. Roller; 517. Slide rail; 518. Fixed nut; 519. Threaded slot. Implementation

[0017] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Example

[0018] Please refer to Figure 1 , Figure 2 and Figure 7 A detachable multi-purpose waist support device includes a waist belt body 100 made of high-quality fabric and polymer, characterized by durability and long lifespan. A second support structure 300 is located at the center of one side of the waist belt body 100, and first support structures 200 are symmetrically arranged on both sides of the waist belt body 100. Each first support structure 200 includes hook and loop fasteners 211 at both ends of the waist belt body 100. These hook and loop fasteners 211 employ existing technology, with a female hook and loop fastener 211 and a female hook and loop fastener 211 respectively located on both sides of the waist belt body 100. One hook and loop fastener 211 is in contact with the side of the waist belt body 100 furthest from the flexible support piece 221 and is connected by stitching. Another hook and loop fastener 211 is close to the waist belt body 100. The flexible support piece 221 is in contact with each other on one side and is connected by sutures. It mainly serves as a connector. The waist belt body 100 is symmetrically provided with the flexible support piece 221 between the two hook and loop fasteners 211. The flexible support piece 221 adopts the existing technology to support the front of the patient's waist. The two flexible support pieces 221 are provided with a first elastic band 212 between the hook and loop fasteners 211. The ends of the two first elastic bands 212 away from each other are in contact with the outer wall of one side of the hook and loop fasteners 211 and are connected by sutures. The ends of the two first elastic bands 212 away from the hook and loop fasteners 211 are in contact with the outer wall of one side of the flexible support piece 221 and are connected by sutures. The outer wall of one side of the two first elastic bands 212 is in contact with the outer wall of one side of the waist belt body 100 and is movably connected. The waist belt body 100 has second elastic bands 213 at both the upper and lower ends of the flexible support piece 221. The ends of the four second elastic bands 213 away from each other are in contact with the outer wall of one side of the hook and loop fastener 211 and are connected by stitches. The other ends of the four second elastic bands 213 are in contact with the outer wall of the flexible support piece 221 and are connected by stitches. A set of cross elastic bands 222 are symmetrically arranged between the two flexible support pieces 221. Each set of cross elastic bands 222 includes two cross elastic bands 222. A movable fixing block 223 is provided in the middle of each cross elastic band 222. The inner wall of each movable fixing block 223 is in contact with the outer wall of the cross elastic band 222 and is movably connected. One side of the outer wall of each movable fixing block 223 is in contact with one side of the outer wall of the waist belt body 100 and is connected by stitches. One side of the outer wall of each set of cross elastic bands 222 is in contact with one side of the outer wall of the waist belt body 100 and is movably connected. The side of the two sets of cross elastic bands 222 away from each other is in contact with one side of the outer wall of the flexible support piece 221 and is connected by stitches. The other side of the two sets of cross elastic bands 222 is in contact with one side of the outer wall of the waist belt body 100 and is connected by stitches. The two sets of cross elastic bands 222 and the first elastic band 212 divide the tension into two segments, which allows the waist belt body 100 to better fit the patient's waist. The upper end of the waist belt body 100 is provided with a fixed back strap 400. The lower end of the fixed back strap 400 is in contact with the outer wall of the upper end of the waist belt body 100 and is connected by stitch. The lower end of the waist belt body 100 is symmetrically provided with fixed elastic bands 500. One end of each of the two fixed elastic bands 500 is in contact with the outer wall of the lower end of the waist belt body 100 and is detachably connected. The ends of the two fixed elastic bands 500 away from the waist belt body 100 are provided with connecting plates 511. The upper ends of the two connecting plates 511 are in contact with the lower ends of the fixed elastic bands 500 and are connected by stitch. The opposite sides of the two connecting plates 511 are fixedly connected with fixed shaft blocks 512. Each of the two fixed shaft blocks 512 has a stop block 513 at one end of its outer wall near the connecting plate 511. The inner walls of the two stop blocks 513 are in contact with and fixedly connected to the outer walls of the fixed shaft blocks 512. Slide rails 517 are symmetrically arranged on opposite sides of the two fixed shaft blocks 512. The outer wall of the slide rails 517 away from the fixed shaft blocks 512 is in contact with the underside of the electric vehicle seat. Generally, the slide rails 517 can be fixed to the outer wall of the electric vehicle by screwing in bolts inside one side of the slide rails 517. Rollers 516 are connected inside the two slide rails 517. The inner walls of the two rollers 516 are in contact with and rotatably connected to the outer walls of the fixed shaft blocks 512. Fixing nuts 518 are provided on the side of the two rollers 516 near the slide rails 517. The outer wall of one side of the fixing nuts 518 is in contact with and fixedly connected to the outer wall of one side of the rollers 516, and their axes are aligned. The outer walls of both fixing nuts 518 are in contact with the inner wall of slide rail 517. The outer walls of both connecting plates 511, which are away from each other and match the fixing shaft block 512, are provided with threaded grooves 519. The two threaded grooves 519 penetrate one outer wall of the fixing shaft block 512. The two threaded grooves 519 are provided with threaded rods 515 inside. The outer walls of the two threaded rods 515 are in contact with the inner walls of the threaded grooves 519 and are threaded. The ends of the two threaded rods 515 away from the fixing shaft block 512 are fixedly connected to screw blocks 514. The outer walls of the ends of the two threaded rods 515 away from the screw blocks 514 are in contact with the inner walls of the threaded grooves 519 and are threaded.

[0019] When this lumbar support device is needed: First, the patient connects the second support structure 300 to the waist belt body 100; Next, the patient holds both ends of the waist belt body 100 and aligns the second support structure 300 with their lower back and both sides of the waist. Next, the patient exerts force with both hands toward the sides away from the waist belt body 100. At this time, the cross elastic band 222, the first elastic band 212, and the second elastic band 213 are gradually stretched as the patient exerts force.

[0020] Then, the patient overlaps the two hook and loop fasteners 211 together. Under the action of the two hook and loop fasteners 211, the waist belt body 100 is firmly fixed to the patient's waist, providing support for the patient's waist.

[0021] When a patient uses this lumbar support device while riding an electric vehicle: First, the patient fixes the two slide rails 517 to both sides of the outer wall of the electric vehicle and puts on the waist belt body 100. Next, the patient holds the connecting plate 511 at the lower end of the fixed elastic band 500 with one hand and inserts the fixed shaft block 512 on one side of the connecting plate 511 into the center of the roller 516. Next, the patient remains in the current position and turns the screw block 514 to rotate the threaded rod 515 into the fixing nut 518, and the same applies to the other side.

[0022] The device is equipped with two-stage elastic support, which allows the waist belt body 100 to be better fixed on the patient's waist. The design of its connecting plate 511 makes it suitable for different models of electric vehicles, while also providing better positioning and support for the waist.

[0023] Please refer to Figures 1-6 The second support structure 300 includes three elongated arc plates 311 disposed on one side of the waist belt body 100. The elongated arc plates 311 and the short arc plates 321 are integrally formed of elastic plastic, and their pre-formed curvature provides better support for the patient's waist. Simultaneously, high-density polyurethane foam can be adhered to the outer wall of the side of the short arc plate 321 and the elongated arc plate 311 closest to the patient's waist to improve patient comfort. The three elongated arc plates 311 are positioned on the side closest to the waist belt body 100... The belt has a first back plate 312. The outer walls of both ends of the three long arc plates 311 are in contact with and welded to one side of the outer wall of the first back plate 312. Short arc plates 321 are symmetrically arranged on both sides of the three long arc plates 311. A second back plate 322 is arranged on the side of the two short arc plates 321 near the waist belt body 100. The outer walls of both ends of the two short arc plates 321 are in contact with and welded to one side of the outer wall of the second back plate 322. The two short fixing plates 323 and the long fixing plates 313 are hollow inside and open at the top. The waist belt body 100 has an elongated fixing plate 313 located inside and matching the elongated arc plate 311. Each of the three elongated fixing plates 313 has a first movable slot 314 at the center of the outer wall of one side near the first back plate 312. Each of the three inner walls of the waist belt body 100 has a connecting slot 333 located at the position matching the first movable slot 314. Each of the three first back plates 312 has a connecting block 331 located at the position matching the first movable slot 314 on the outer wall of one side near the elongated fixing plate 313. One end of the outer wall of each of the three connecting blocks 331 is in contact with and fixedly connected to one side of the outer wall of the first back plate 312. The other end of each of the three connecting blocks 331 has a buckle block 332 located at the other end. One side of the outer wall of each of the three buckle blocks 332 is in contact with and fixedly connected to one side of the outer wall of the connecting block 331. A short fixing plate 323 is provided inside the waist belt body 100 at a position that matches the short arc plate 321. A second movable slot 324 is provided at the center of the outer wall of the two short fixing plates 323 near the short arc plate 321. A connecting slot 333 is provided at a position that matches the second movable slot 324 on the inner wall of the waist belt body 100 near the short arc plate 321. A connecting block 331 is provided at a position that matches the connecting slot 333 on the side of the two second back plates 322 near the short fixing plate 323. One end of the two connecting blocks 331 is in contact with the center of the outer wall of the second back plate 322 and is fixedly connected. A buckle block 332 is provided at the other end of the two connecting blocks 331. One outer wall of the two buckle blocks 332 is in contact with the outer wall of the connecting block 331 and is fixedly connected. Both the two short fixing plates 323 and the long fixing plate 313 have springs 327 installed inside at the upper end of the base plate. These springs 327 ensure that the short fixing plates 323 and the long fixing plate 313 remain inside the long fixing plate 313 and the short fixing plate 323 respectively, without external force, thus restricting the latching block 332. Each of the two short fixing plates 323 has a second pull plate 325 installed inside at the upper end of the springs 327. The two springs 327... The upper ends of the two springs 325 are in contact with and hooked to the lower ends of the two springs 325. The ends of the two springs 325 away from the springs 327 extend out of the upper opening of the short fixing plate 323. The three long fixing plates 313 are each provided with a first pull plate 315 at the upper end of the springs 327. The upper ends of the three springs 327 are in contact with and hooked to the lower ends of the first pull plates 315. The ends of the three first pull plates 315 away from the springs 327 extend out of the upper opening of the long fixing plate 313. Each of the three first pull plates 315 has a fixed groove 326 through which it is aligned with the first movable slot 314. The three long fixed plates 313 and the two short fixed plates 323 are equipped with blocks to limit the stretching length of the second pull plate 325 and the first back plate 312. When the first movable slot 314 or the second movable slot 324 overlaps with the fixed groove 326, it can no longer be pulled outward, making it more convenient for the patient to use. Each of the two second pull plates 325 has a fixed groove 326 through which it is aligned with the second movable slot 324. The outer walls of each connecting block 331 and the buckle block 332 are in contact with the inner walls of the connecting slot 333, the first movable slot 314 and the long fixed plate 313 and are movably connected. The waist belt body 100 has partition lines 334 sewn on both sides of the long fixed plate 313 and the short fixed plate 323.

[0024] When it is necessary to disassemble the long arc plate 311 and the short arc plate 321: First, the patient holds the long fixation plate 313 with one hand and pulls the exposed part of the first pull plate 315 with the other hand; Next, the patient uses the hand that is holding the first pull plate 315 to pull it out to the side away from the long fixation plate 313; At this time, the fixed groove 326 moves along with the first pull plate 315, and its position gradually overlaps with the first movable groove 314; Next, the patient can shake the long arc plate 311 down with the long arc plate 311 facing down. The disassembly of the short arc plate 321 and the installation of the long arc plate 311 and the short arc plate 321 are based on the same principle.

[0025] The device is equipped with a long arc plate 311 and a short arc plate 321 to provide better support for the waist. At the same time, the detachable design makes it easy to replace and disassemble.

[0026] The working principle of this invention is as follows: When this lumbar support device is needed: First, the patient holds the long fixation plate 313 with one hand, and pushes the exposed part of the first pull plate 315 with the thumb and index finger, so that the fixation groove 326 moves with the first pull plate 315 and its position gradually overlaps with the first movable groove 314. Next, the patient aligns the buckle block 332 on the long arc plate 311 with the fixing groove 326 and inserts it. The short arc plate 321 works on the same principle. Next, the patient holds both ends of the waist belt body 100 and aligns the second support structure 300 with their lower back and both sides of the waist. Next, the patient exerts force with both hands toward the sides away from the waist belt body 100. At this time, the cross elastic band 222, the first elastic band 212, and the second elastic band 213 are gradually stretched as the patient exerts force.

[0027] Then, the patient overlaps the two hook and loop fasteners 211 together. Under the action of the two hook and loop fasteners 211, the waist belt body 100 is firmly fixed to the patient's waist, providing support for the patient's waist.

[0028] When it is necessary to disassemble the long arc plate 311 and the short arc plate 321: First, the patient holds the long fixation plate 313 with one hand and pulls the exposed part of the first pull plate 315 with the other hand; Next, the patient uses the hand that is holding the first pull plate 315 to pull it out to the side away from the long fixation plate 313; At this time, the fixed groove 326 moves along with the first pull plate 315, and its position gradually overlaps with the first movable groove 314; Next, the patient can shake the long arc plate 311 down with the long arc plate 311 facing down. The disassembly of the short arc plate 321 and the installation of the long arc plate 311 and the short arc plate 321 are based on the same principle.

[0029] When a patient uses this lumbar support device while riding an electric vehicle: First, the patient fixes the two slide rails 517 to both sides of the outer wall of the electric vehicle and puts on the waist belt body 100. Next, the patient holds the connecting plate 511 at the lower end of the fixed elastic band 500 with one hand and inserts the fixed shaft block 512 on one side of the connecting plate 511 into the center of the roller 516. Next, the patient remains in the current position and turns the screw block 514 to rotate the threaded rod 515 into the fixing nut 518, and the same applies to the other side.

[0030] Embodiments of the present invention have been shown and described, but these specific embodiments are merely explanations of the invention and are not intended to limit it. The specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. After reading this specification, those skilled in the art may make modifications, substitutions, and variations to the embodiments as needed without departing from the principles and spirit of the invention, but such modifications, substitutions, and variations are protected by patent law as long as they are within the scope of the claims of the present invention.

Claims

1. A detachable multi-purpose waist support device, comprising a waist belt body (100), characterized in that, A second support structure (300) is provided at the center of one side of the waist belt body (100), and a first support structure (200) is symmetrically provided on both sides of the waist belt body (100). The first support structure (200) includes hook and loop fasteners (211) provided at both ends of the waist belt body (100). A flexible support piece (221) is symmetrically provided between the two hook and loop fasteners (211) of the waist belt body (100). A set of cross elastic bands (222) is symmetrically provided between the two flexible support pieces (221). A fixed back strap (400) is provided at the upper end of the waist belt body (100), and a fixed elastic band (500) is symmetrically provided at the lower end of the waist belt body (100). The second support structure (300) includes three elongated arc plates (311) disposed on one side of the belt body (100), with short arc plates (321) symmetrically disposed on both sides of the three elongated arc plates (311). An elongated fixing plate (313) is disposed inside the belt body (100) at a position matching the elongated arc plates (311), and a short fixing plate (323) is disposed inside the belt body (100) at a position matching the short arc plates (321). Both the short fixing plate (323) and the long fixing plate (313) are hollow inside and open at the top. Both of the short fixing plates (323) and the long fixing plate (313) are provided with springs (327) at the top of the bottom plate. Both of the short fixing plates (323) are provided with second pull plates (325) at the top of the springs (327). Both of the long fixing plates (313) are provided with first pull plates (315) at the top of the springs (327).

2. The detachable multi-purpose lumbar support device according to claim 1, characterized in that, The three elongated arc plates (311) are provided with a first back plate (312) on one side near the waist belt body (100). The outer walls at both ends of the three elongated arc plates (311) are in contact with and fused to one side of the outer wall of the first back plate (312). The two short arc plates (321) are provided with a second back plate (322) on one side near the waist belt body (100). The outer walls at both ends of the two short arc plates (321) are in contact with and fused to one side of the outer wall of the second back plate (322). The three elongated fixing plates (313) are provided with a first movable slot (314) at the center of the outer wall on one side near the first back plate (312). The inner wall on one side of the waist belt body (100) is provided with a connecting slot (333) at the position that matches the first movable slot (314).

3. The detachable multi-purpose lumbar support device according to claim 1, characterized in that, Each set of the cross elastic bands (222) includes two cross elastic bands (222). Each cross elastic band (222) has a movable fixing block (223) in the middle. The inner wall of each movable fixing block (223) is in contact with the outer wall of the cross elastic band (222) and is movably connected. One side of the outer wall of each movable fixing block (223) is in contact with one side of the outer wall of the waist belt body (100) and is sewn together. One side of the outer wall of each set of cross elastic bands (222) is in contact with one side of the outer wall of the waist belt body (100) and is movably connected. The side of the two sets of cross elastic bands (222) away from each other is in contact with one side of the outer wall of the flexible support piece (221) and is sewn together. The other side of the two sets of cross elastic bands (222) is in contact with one side of the outer wall of the waist belt body (100) and is sewn together.

4. The detachable multi-purpose lumbar support device according to claim 2, characterized in that, Each of the three first back plates (312) has a connecting block (331) at a position on the outer wall of one side of the long fixed plate (313) that matches the first movable slot (314). One end of the outer wall of each of the three connecting blocks (331) is in contact with the outer wall of one side of the first back plate (312) and is fixedly connected. The other end of each of the three connecting blocks (331) has a buckle block (332). One side of the outer wall of each of the three buckle blocks (332) is in contact with the outer wall of one end of the connecting block (331) and is fixedly connected. The two short fixed plates (323) have a second movable slot (324) at the center of the outer wall of one side of the short arc plate (321). The lower end of the fixed back strap (400) is in contact with the upper outer wall of the waist belt body (100) and is connected by stitch. One end of each of the two fixed elastic bands (500) is in contact with the lower outer wall of the waist belt body (100).

5. The detachable multi-purpose lumbar support device according to claim 1, characterized in that, Each of the two fixed elastic bands (500) has a connecting plate (511) at one end away from the waistband body (100). A fixed shaft block (512) is fixedly connected to the opposite side of each of the two connecting plates (511). A stop block (513) is provided at one end of the outer wall of each of the two fixed shaft blocks (512) near the connecting plate (511). One hook-and-loop fastener (211) is in contact with the side of the waistband body (100) away from the flexible support piece (221) and is connected by a stitch. One hook-and-loop fastener (211) and... The waist belt body (100) is in contact with the side of the flexible support piece (221) and is connected by stitches. The two flexible support pieces (221) are provided with a first elastic band (212) between the hook and loop fastener (211). The ends of the two first elastic bands (212) away from each other are in contact with the outer wall of one side of the hook and loop fastener (211) and are connected by stitches. The ends of the two first elastic bands (212) away from the hook and loop fastener (211) are in contact with the outer wall of one side of the flexible support piece (221) and are connected by stitches.

6. The detachable multi-purpose lumbar support device according to claim 5, characterized in that, The upper ends of the two connecting plates (511) are in contact with the lower ends of the fixed elastic band (500) and are connected by stitches. The outer walls of one side of the two first elastic bands (212) are in contact with the outer wall of one side of the waist belt body (100) and are movably connected. The waist belt body (100) is provided with second elastic bands (213) at both the upper and lower ends of the flexible support piece (221). The ends of the four second elastic bands (213) away from each other are in contact with the outer wall of one side of the hook and loop fastener (211) and are connected by stitches. The other ends of the four second elastic bands (213) are in contact with the outer wall of the flexible support piece (221) and are connected by stitches. The inner walls of the two abutments (513) are in contact with the outer walls of the fixed shaft blocks (512). The two fixed shaft blocks (512) are symmetrically provided with slide rails (517) on the opposite side.

7. The detachable multi-purpose lumbar support device according to claim 6, characterized in that, Both slide rails (517) are internally connected with rollers (516). The inner walls of both rollers (516) are in contact with the outer wall of the fixed shaft block (512). A fixing nut (518) is provided on the side of each roller (516) closest to the slide rail (517). The outer wall of one side of each fixing nut (518) is in contact with the outer wall of one side of each roller (516). The outer wall of both fixing nuts (518) is in contact with the inner wall of the slide rail (517). The two connecting plates (511) are located away from the opposite outer wall and are matched with the fixed shaft block (512). Both of the positions are provided with threaded grooves (519), and both threaded grooves (519) penetrate one side of the outer wall of the fixed shaft block (512). Both threaded grooves (519) are provided with threaded rods (515) inside. The outer walls of both threaded rods (515) are in contact with the inner wall of the threaded grooves (519) and are threaded. The ends of both threaded rods (515) away from the fixed shaft block (512) are fixedly connected to screw blocks (514). The outer walls of the ends of both threaded rods (515) away from the screw blocks (514) are in contact with the inner wall of the threaded grooves (519) and are threaded.

8. The detachable multi-purpose lumbar support device according to claim 4, characterized in that, The inner wall of the belt body (100) near the short arc plate (321) is provided with a connecting groove (333) at the position that matches the second movable groove (324). The two second back plates (322) are provided with a connecting block (331) at the position that matches the connecting groove (333) near the short fixed plate (323). One end of the two connecting blocks (331) is in contact with the center of the outer wall of one side of the second back plate (322) and is fixedly connected. The outer wall of one side of the two buckle blocks (332) is in contact with the outer wall of one side of the connecting block (331) and is fixedly connected.

9. The detachable multi-purpose lumbar support device according to claim 5, characterized in that, The upper ends of both springs (327) are in contact with and hooked to the lower ends of the second pull plate (325). The ends of the two second pull plates (325) away from the springs (327) extend out of the upper opening of the short fixing plate (323). The upper ends of all three springs (327) are in contact with and hooked to the lower ends of the first pull plate (315). The ends of the three first pull plates (315) away from the springs (327) extend out of the upper opening of the long fixing plate (313).

10. The detachable multi-purpose lumbar support device according to claim 4, characterized in that, A fixing groove (326) is provided through one side of the outer wall of the three first pull plates (315) at the position that matches the first movable slot (314). A fixing groove (326) is provided through one side of the outer wall of the two second pull plates (325) at the position that matches the second movable slot (324). The outer wall of each connecting block (331) and buckle block (332) is in contact with the inner wall of the connecting slot (333), the first movable slot (314) and the long fixing plate (313) and is movably connected. The waist belt body (100) is sewn with partition lines (334) on both sides of the long fixing plate (313) and the short fixing plate (323).

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