Wheelchair protective belt
By integrating a pressure sensing module and locking mechanism into the wheelchair safety belt, the tension can be monitored and dynamically adjusted in real time, solving the problem of real-time monitoring in existing technologies and improving safety and care efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-11
- Publication Date
- 2026-03-24
AI Technical Summary
Existing wheelchair safety harnesses cannot monitor restraint tension in real time, resulting in users experiencing excessively tight or loose harnesses, increasing safety hazards and making it difficult to quantify and assess fit, thus increasing the difficulty of care management.
A pressure sensing module is integrated into the strap to monitor tension in real time and send signals to the backend server via Bluetooth. Combined with the locking mechanism, the length is dynamically adjusted to achieve real-time tension feedback and dynamic adjustment.
It improves the safety of wheelchair safety belts, reduces user safety risks, and enhances nursing efficiency and management convenience.
Smart Images
Figure CN224023793U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of protective belt, specifically relates to a wheelchair protective belt. BACKGROUND
[0002] At present, the protective belt device commonly equipped with wheelchair generally is composed of fixed band, buckle and length adjusting mechanism, is mainly used for fixing user torso, prevents from falling.
[0003] However, the existing protective belt design has significant technical limitations: its fixed band adopts low-cost woven material, although it meets the basic restraint requirement, but lacks real-time sensing and monitoring function to restraint tension. Specifically, in the use process, the protective belt may appear too tight or too loose state due to the user body position change or external force, and the conventional fixed band cannot adjust the restraint strength through tension data feedback, which easily leads to the safety hazards such as blood circulation obstruction, skin pressure ulcer caused by improper restraint of the user, or falling risk caused by restraint failure. In addition, nursing staff also cannot quantitatively evaluate the adaptive state of the protective belt, which increases the management difficulty in the group nursing scene. Therefore, there is an urgent need for a wheelchair protective belt capable of real-time monitoring of restraint tension and dynamic adjustment to improve the safety and nursing efficiency of wheelchair use. SUMMARY
[0004] In view of the deficiencies in the prior art, the utility model provides a wheelchair protective belt capable of real-time monitoring of restraint tension and dynamic adjustment to improve the safety and nursing efficiency of wheelchair use.
[0005] A wheelchair protective belt, comprising a protective belt, a first fixed band and a second fixed band sewn on the left and right ends of the protective belt, the ends of the first fixed band and the second fixed band are respectively provided with a female buckle and a male buckle, the protective belt is of a waist-shaped structure, the protective belt is sewn from two pieces of cotton sandwiching cloth, three mounting cavities and two storage cavities are left between the two pieces of cotton sandwiching cloth, a pressure sensing module is placed in each of the three mounting cavities, and spices are filled in the two storage cavities, a baffle that can shield the mounting cavities and the storage cavities is sewn on the upper end of the front surface of the protective belt, a strip-shaped magic tape velvet surface is sewn on the upper end of the back surface of the protective belt, and a hook surface matched with the velvet surface is arranged on the baffle.
[0006] Further, a plurality of through holes communicating with the storage cavities are formed in the front surface of the protective belt. Such a structure design enables the spices to be smoothly diffused outward through the through holes, which has a soothing effect on the user.
[0007] Further, the second fixing belt comprises a fixed section, a movable section and a containing cylinder arranged between the fixed section and the movable section, an opening is arranged on the containing cylinder, the containing cylinder is fixedly connected with the end of the fixed section, one end of the movable section is fixedly connected with the male buckle, and the other end is wound in the containing cylinder through the opening.
[0008] Further, the containing cylinder is internally rotatably provided with a winding cylinder, a fixed column is fixedly arranged in the containing cylinder, and a winding spring is fixedly arranged between the fixed column and the winding cylinder.
[0009] Further, the containing cylinder is internally rotatably provided with a winding cylinder, a fixed column is fixedly arranged in the containing cylinder, and a winding spring is fixedly arranged between the fixed column and the winding cylinder.
[0010] The utility model has the advantages that:
[0011] The utility model discloses a plurality of pressure sensing modules are added on the protective belt, the tension of the wheelchair protective belt can be monitored in real time, and the monitoring result is sent out through Bluetooth, the signal sent is received through the Bluetooth gateway, and is sent to the back end server, when the wheelchair protective belt is too tight, and the alarm information can be displayed on the centralized monitoring of the mechanism or the mobile phone of the nurse, and the security risk is reduced. DRAWINGS
[0012] In order to more clearly illustrate the specific embodiment of the utility model, the drawings needed in the specific embodiment will be briefly introduced below. In all the drawings, the elements or parts are not necessarily drawn according to the actual proportion.
[0013] Figure 1 It is a structural schematic diagram of the wheelchair protective belt of the utility model;
[0014] Figure 2 It is another angle structural schematic diagram of the wheelchair protective belt of the utility model;
[0015] Figure 3 It is a structural schematic diagram of the second fixing belt part of the wheelchair protective belt of the utility model;
[0016] Figure 4 It is Figure 3 It is an enlarged structural schematic diagram of A in the utility model;
[0017] Figure 5 Figure 1 is a schematic view of a cross section structure of a containing cavity part of a wheelchair protective belt according to the present application.
[0018] Reference signs:
[0019] 1, protective belt; 11, mounting cavity; 12, storage cavity;
[0020] 2, first fixing belt; 21, female buckle;
[0021] 3, second fixing belt; 31, male buckle; 32, fixed section; 33, movable section;
[0022] 34, containing cylinder; 341, winding cylinder; 342, fixed column; 343, coil spring;
[0023] 4, blocking strip; 5, locking bolt. DETAILED DESCRIPTION
[0024] The embodiments of the technical scheme of the present application will be described in detail below with reference to the drawings. The following embodiments are only used to more clearly illustrate the technical scheme of the present application, and therefore only serve as examples, and cannot limit the protection scope of the present application.
[0025] As shown in Figures 1-5 , the present application is a kind of wheelchair protective belt, including protective belt 1, first fixing belt 2 and second fixing belt 3 sewn in the left and right ends of protective belt 1, the end of first fixing belt 2 and second fixing belt 3 is respectively provided with female buckle 21 and male buckle 31 of plug buckle, protective belt 1 is waist-shaped structure, protective belt 1 is sewn by two pieces of cotton sandwich cloth, three mounting cavities 11 and two storage cavities 12 are left between two pieces of cotton sandwich cloth, pressure sensing module is placed in three mounting cavities 11, pressure sensing module includes pressure sensor, control panel integrated with Bluetooth module and storage battery, pressure sensor is on the protective belt, for real-time monitoring the tightness of wheelchair protective belt, pressure sensor monitors the tension of wheelchair protective belt every second, and sends the monitoring result through Bluetooth, Bluetooth gateway concentrates the received signal, and sends to the back-end server, when the tightness of wheelchair protective belt is too large and lasts for a certain time, alarm can be displayed on the centralized monitoring of mechanism or the mobile phone of nurse, reduce the security risk, two storage cavities 12 are filled with spices, the front of protective belt 1 is provided with a plurality of through holes communicated with storage cavity 12, the through hole is provided to make the fragrance of spices escape smoothly, the front upper end of belt 1 is sewn with blocking strip 4 that can shield mounting cavity 11 and storage cavity 12, the back upper end of protective belt 1 is sewn with strip magic tape pile surface, the hook surface matched with pile surface is arranged on blocking strip 4, by setting magic tape between blocking strip 4 and protective belt 1, blocking strip 4 is conveniently opened, so as to replace or maintain the spices bag or pressure sensing module in storage cavity 12 or mounting cavity 11.
[0026] The second fixing belt 3 comprises a fixed section 32, a movable section 33 and a containing cylinder 34 arranged between the fixed section 32 and the movable section 33, the containing cylinder 34 is provided with an opening on the cylinder body, the containing cylinder 34 is fixedly connected with the end of the fixed section 32, one end of the movable section 33 is fixedly connected with the male buckle 31, and the other end is wound in the containing cylinder 34 through the opening.
[0027] The containing cylinder 34 is rotatably provided with a winding cylinder 341, the inside of the containing cylinder 34 is fixedly provided with a fixed column 342, and the fixed column 342 is fixedly provided with a coil spring 343 between the winding cylinder 341, when the movable section 33 is stretched outward, the winding cylinder 341 rotates, and the coil spring 343 contracts, when the action force of the end of the movable section 33 is removed, the coil spring 343 restores the deformation, and the winding cylinder 341 drives the movable section 33 to be re-contracted on the winding cylinder 341, so that the movable section 33 is conveniently stored.
[0028] The containing cylinder 34 is provided with a threaded hole, the threaded hole is threadedly connected with a locking bolt 5, the lower end of the locking bolt 5 extends into the containing cylinder 34, when the locking bolt 5 is moved to the lowermost position, the end of the locking bolt 5 abuts against the winding cylinder 341.
[0029] The use method of the utility model is as follows:
[0030] After a user sits on the wheelchair, the wheelchair protection belt is taken and the side of the protection belt 1 is close to the abdomen of the user, then the first fixing belt 2 and the second fixing belt 3 are pushed to the rear of the wheelchair, and the male buckle 31 and the female buckle 21 are inserted and connected;
[0031] When the male buckle 31 and the female buckle 21 are connected, the movable section 33 of the second fixing belt 3 is pulled out of the containing cylinder 34, at this time, the winding cylinder 341 rotates, and the coil spring 343 contracts, when the coil spring 343 contracts, an action force is generated on the movable section 33, so that the second fixing belt 3 is in a tightened state, when the male buckle 31 and the female buckle 21 are inserted and connected, the locking bolt 5 is rotated, the end of the locking bolt 5 abuts against the winding cylinder 341, so that the winding cylinder 341 is in a locked state, that is, the wearing of the wheelchair protection belt is completed, the coil spring 343 and the winding cylinder 341 are used to tighten the fixing belt, the structure is simple, the use is convenient, and the wearing efficiency is improved.
[0032] The above embodiments are only used to illustrate the technical solutions of the utility model, rather than limit them; although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can be modified, or part or all of the technical features can be replaced equivalently; the modification or replacement does not make the essence of the corresponding technical solution deviate from the scope of the technical solutions of the embodiments of the utility model, and all should be covered in the scope of the claims and the description of the utility model.
Claims
1. A wheelchair protective belt, comprising a protective belt (1), a first fixing strap (2) and a second fixing strap (3) sewn to the left and right ends of the protective belt (1), wherein the ends of the first fixing strap (2) and the second fixing strap (3) are respectively provided with a female buckle (21) and a male buckle (31), characterized in that: The protective belt (1) has a waist-shaped structure and is made of two pieces of quilted fabric sewn together. There are three installation cavities (11) and two storage cavities (12) between the two pieces of quilted fabric. Each of the three installation cavities (11) contains a pressure sensing module, and the two storage cavities (12) are filled with fragrance. The upper front of the protective belt (1) is sewn with a baffle strip (4) that can cover the installation cavities (11) and the storage cavities (12). The upper back of the protective belt (1) is sewn with a strip of Velcro fleece. The baffle strip (4) has a hook surface that matches the fleece surface.
2. The wheelchair safety belt according to claim 1, characterized in that, The protective strap (1) has several through holes on its front side that communicate with the storage cavity (12).
3. The wheelchair safety belt according to claim 1, characterized in that, The second fixing band (3) includes a fixed section (32), a movable section (33), and a receiving tube (34) disposed between the fixed section (32) and the movable section (33). The receiving tube (34) has an opening on its body. The receiving tube (34) is fixedly connected to the end of the fixed section (32). One end of the movable section (33) is fixedly connected to the male buckle (31), and the other end passes through the opening and is wound into the receiving tube (34).
4. The wheelchair safety belt according to claim 3, characterized in that, A take-up drum (341) is rotatably installed inside the receiving cylinder (34), and a fixing column (342) is fixedly installed inside the receiving cylinder (34). A coil spring (343) is fixedly installed between the fixing column (342) and the take-up drum (341).
5. The wheelchair safety belt according to claim 4, characterized in that, The receiving cylinder (34) is provided with a threaded hole, and a locking bolt (5) is threadedly connected in the threaded hole. The lower end of the locking bolt (5) extends into the receiving cylinder (34). When the locking bolt (5) moves to the lowest position, the end of the locking bolt (5) abuts against the winding cylinder (341).