Hospital bed lifting angle measuring device
By designing a bed lifting angle measuring device, and utilizing the angle indicator, the scale lines of the measuring device, and the reference plate, the subjectivity and error problems of bed head angle adjustment are solved, achieving precise adjustment and simplified operation.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-12-23
- Publication Date
- 2026-03-24
AI Technical Summary
The current method of adjusting the head of hospital beds relies on manual visual estimation, which is highly subjective and prone to error. Furthermore, existing auxiliary tools are cumbersome to operate, costly, and difficult to deploy on a large scale.
A bed lifting angle measuring device was designed, including an angle indicator and a measuring instrument. Through the cooperation of scale lines and a reference plate, the bed board angle can be accurately positioned, simplifying the operation process and reducing errors.
It enables precise adjustment of the bed board angle, simplifies the operation process, reduces errors, saves nursing time, and adapts to different nursing scenarios.
Smart Images

Figure CN121720344A_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of medical device technology, and in particular to a device for measuring the lifting angle of a hospital bed. Background Technology
[0002] With the advancement of medical and nursing care, the quality of basic nursing care for critically ill patients has become a core aspect of medical safety management. In clinical settings such as neurosurgery, respiratory medicine, and cardiology, elevating the head of the bed to 15°-30° is a nursing measure to prevent ventilator-associated pneumonia, reduce intracranial pressure, and decrease reflux and aspiration.
[0003] Currently, traditional mechanical hospital beds widely used in hospitals at all levels in China rely on manual crank operation for bed board raising and lowering, and are not equipped with dedicated headboard angle measurement and visual indication functions. This results in the current method of angle judgment being manual estimation, which depends entirely on the experience of medical staff, is highly subjective, and prone to large fluctuations in error. Problems often arise such as angles that are too low to achieve therapeutic effects, or angles that are too high causing patient discomfort. Some hospitals have attempted to use general-purpose measuring tools such as traditional angle indicators, electronic inclinometers, or smartphone apps to assist in judgment, but these methods have drawbacks: the operation process is cumbersome, requiring additional time for retrieval, calibration, and reading, and angles are easily misaligned; furthermore, the high cost and management difficulty make large-scale deployment across all hospital beds uneconomical. Summary of the Invention
[0004] The technical problem to be solved by the present invention is to overcome the shortcomings of the prior art and provide a device for measuring the lifting angle of a hospital bed.
[0005] To achieve the above objectives, the present invention adopts the following technical solution: a bed lifting angle measuring device, comprising: an angle indicator, disposed on the headboard frame of the bed, having a scale line of 0°-90° on its surface, wherein the scale line is calibrated with the horizontal plane as the 0° reference; a measuring device, comprising a measuring ruler and an indicator block, wherein the measuring ruler is fixedly connected to the indicator block, and the indicator block is sleeved on the angle indicator and can slide along its circumference; the measuring ruler comprises a ruler body and a ruler strip, wherein the ruler body is fixedly connected to the indicator block, one end of the ruler strip is wound around a coil spring inside the ruler body, and the other end of the ruler strip is provided with a reference plate, the reference plate abutting against the bottom surface of the bed board.
[0006] Optionally, the measuring device further includes a strap, with a connecting ear on the outside of the angle indicator, one end of the strap being detachably connected to the connecting ear, and the other end of the strap being provided with Velcro or an elastic buckle.
[0007] Optionally, the unit of the scale line is 1°, and a fluorescent mark is provided next to the scale line.
[0008] Optionally, the angle indicator is in the form of a quarter-circle structure.
[0009] Optionally, the angle indicator is also provided with a U-shaped fixing piece, which is engaged with the bed frame.
[0010] Optionally, the measuring ruler further includes a brake button and a brake pad. The brake button is disposed on the outer surface of the ruler body, and the brake pad is fixedly connected to the brake button and located inside the ruler body.
[0011] Optionally, the measuring tape is made of spring steel.
[0012] Optionally, the indicator block includes a block body and a fixing bolt. The block body is fitted onto the angle indicator and can slide along its circumference. The block body has a threaded hole and an indicator line. The fixing bolt is threadedly connected to the threaded hole and abuts against the angle indicator.
[0013] Compared with the prior art, the beneficial effects of the present invention are as follows: This application provides a bed lifting angle measuring device, including an angle indicator and a measuring device. When the bed board needs to be adjusted to a fixed angle, the angle indicator is fixed to the headboard frame of the bed. The indicator block fitted on the angle indicator is adjusted to the corresponding fixed angle. The measuring tape is then pulled out, so that the reference plate on the tape fits against the bottom of the bed board. By comparing the angle between the reference plate and the bottom of the bed board, it is confirmed whether the bed board has been adjusted to the required angle. This device uses the indicator block to accurately position itself on the angle indicator and compares the angle between the bed board and the reference plate, replacing the traditional method of manually estimating the angle. This solves the problems of strong subjectivity and large error fluctuations in manual estimation. At the same time, the device is placed on the bed itself, eliminating the need for additional external tools such as traditional angle rulers and electronic inclinometers to be retrieved and calibrated. Medical staff only need to operate a rocker arm and pull out the reference plate to complete the measurement, simplifying the operation process and saving nursing time. Attached Figure Description
[0014] To more clearly illustrate the technical solutions in the embodiments of the present invention, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0015] Legend: Figure 1 This is a front view of the present invention. Figure 2 This is a schematic diagram of the rear structure of the present invention; Figure 3A schematic diagram of the measuring instrument without the mounting bolts; Figure 4 A schematic diagram of the structure for assembling the measuring instrument with fixing bolts; In the diagram: 1. Angle indicator; 11. Connecting ear; 12. U-shaped fixing piece; 2. Measuring instrument; 21. Measuring ruler; 211. Ruler body; 212. Ruler strap; 213. Brake button; 22. Indicator block; 221. Block body; 222. Fixing bolt; 3. Strap; 4. Reference plate. Detailed Implementation
[0016] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.
[0017] It will be understood that although the terms “first,” “second,” “third,” “fourth,” etc., may be used here to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another.
[0018] Combination Figures 1-4 As shown, an embodiment of the present invention provides a bed lifting angle measuring device, comprising: an angle indicator 1, which is installed on the headboard frame of the bed and has a scale line of 0°-90° on its surface, with the scale line calibrated with the horizontal plane as the 0° reference; a measuring device 2, comprising a measuring ruler 21 and an indicator block 22, wherein the measuring ruler 21 is fixedly connected to the indicator block 22, and the indicator block 22 is sleeved on the angle indicator 1 and can slide along its circumference; the measuring ruler 21 comprises a ruler body 211 and a ruler strip 212, wherein the ruler body 211 is fixedly connected to the indicator block 22, one end of the ruler strip 212 is wound around a coil spring inside the ruler body 211, and the other end of the ruler strip 212 is provided with a reference plate 4, which abuts against the bottom surface of the bed board.
[0019] Specifically, this application provides a bed lifting angle measuring device, including an angle indicator 1 and a measuring device 2. When the bed board needs to be adjusted to a fixed angle, the angle indicator 1 is fixed to the headboard frame of the bed, and the indicator block 22 fitted on the angle indicator 1 is adjusted to the corresponding fixed angle. The ruler strip 212 of the measuring ruler 21 is pulled out, so that the reference plate 4 on the ruler strip 212 fits against the bottom of the bed board. By comparing the angle between the reference plate 4 and the bottom of the bed board, it is confirmed whether the bed board has been adjusted to the required angle. This device uses the indicator block 22 to accurately position the bed board on the angle indicator 1 and compares the angle between the bed board and the reference plate 4, replacing the traditional method of manually estimating the angle. This solves the problems of strong subjectivity and large error fluctuations in manual estimation. At the same time, the device is placed on the bed itself, eliminating the need to use and calibrate external tools such as traditional angle rulers and electronic inclinometers. Medical staff only need to operate the rocker arm and pull out the reference plate 4 to complete the measurement, simplifying the operation process and saving nursing time.
[0020] In some possible implementations, the measuring device also includes a strap 3, with a connecting ear 11 on the outside of the angle indicator 1. One end of the strap 3 is detachably connected to the connecting ear 11, and the other end of the strap 3 is provided with Velcro or elastic buckle.
[0021] Specifically, connecting ears 11 are symmetrically arranged on both sides of the angle indicator 1, and one end of the strap 3 is detachably connected to the connecting ears 11 via a hook and a hanging hole. The strap 3 is adaptable to headboard frames of different thicknesses, and its Velcro design allows for length adjustment, while the elastic buckle is quickly secured by pressing to open and close. During installation, the angle indicator 1 is placed against the headboard frame, and the strap 3 is wrapped around the bed frame and secured by Velcro or buckles. During disassembly, the Velcro is simply torn off or the buckles are pressed to separate the strap, ensuring the stability of the angle indicator 1.
[0022] In some possible implementations, the scale line is in units of 1°, and a fluorescent label is placed next to the scale line.
[0023] Specifically, the scale lines are evenly distributed from 0° to 90°, with 1° as the smallest division. The fluorescent markers use photoluminescent materials that can continuously glow in the dark after absorbing natural light or artificial light for 5 minutes. This solves the problem of difficult reading in clinical nighttime care or low-light scenarios, eliminating the need for medical staff to turn on additional lighting equipment.
[0024] In some possible implementations, the angle indicator 1 has a quarter-circle structure and is also provided with a U-shaped fixing piece 12, which is engaged with the bed frame.
[0025] Specifically, the angle indicator 1 adopts a quarter-circle structure with an arc corresponding to a 90° angle, saving installation space and avoiding interference with other components of the hospital bed. The U-shaped fixing plate 12 has an anti-slip rubber pad on its inner side. During installation, the U-shaped fixing plate 12 is directly snapped onto the crossbar of the headboard frame of the hospital bed. The rubber pad increases friction, and the elastic structure automatically clamps the frame, making the installation process simple, convenient, and easy to operate.
[0026] In some possible implementations, the measuring ruler 21 also includes a brake button 213 and a brake pad. The brake button 213 is disposed on the outer surface of the ruler body 211, and the brake pad is fixedly connected to the brake button 213 and located inside the ruler body 211.
[0027] Specifically, the brake button 213 is a cylindrical protrusion with anti-slip textured surface for easy operation by medical staff. The brake pad is made of rubber with anti-slip textured surface in contact with the measuring tape 212. When the bed is adjusted to the target angle, pressing the brake button 213 causes the brake pad to press down on the measuring tape 212 under the action of the connecting rod, locking the length of the measuring tape 212 using friction to prevent the measuring tape 212 from contracting or loosening due to spring rebound. When the angle needs to be adjusted, releasing the brake button 213 causes the brake pad to automatically reset, allowing the measuring tape 212 to extend and retract freely. This solves the problem of the measuring tape 212 easily loosening and causing the indicator block 22 to shift, ensuring that the length of the measuring tape 212 is fixed during measurement and guaranteeing measurement accuracy.
[0028] In some possible implementations, the ruler 212 is made of spring steel.
[0029] Specifically, the spring steel tape 212 can withstand repeated stretching without bending or breaking, and also has a certain rigidity to provide support for the reference plate 4. When stretched, it can also fit tightly against the bottom of the bed board, preventing the tape 212 from sagging due to gravity, not fitting properly, or distorting the angle transmission due to its softness.
[0030] In some possible implementations, the indicator block 22 includes a block body 221 and a fixing bolt 222. The block body 221 is fitted onto the angle indicator 1 and can slide along its circumference. The block body 221 has a threaded hole and an indicator line. The fixing bolt 222 is threadedly connected to the threaded hole and abuts against the angle indicator 1.
[0031] Specifically, the indicator line aligns with the corresponding graduations on the scale to ensure a clear reading reference. When the fixing bolt 222 is tightened, the bottom surface of the bolt head abuts against the outer surface of the angle indicator 1, fixing the position of the indicator block 22 through pressure. After loosening the bolt, the indicator block 22 can slide freely. When using the device, medical staff can first loosen the bolt, slide the indicator line to the target angle, tighten the bolt to lock the position, and then adjust the bed board so that the bottom surface of the bed board is in contact with the reference plate 4. At this time, the angle of the reference plate 4 is fixed, but the angle of the bottom surface of the bed board needs to be adjusted. If the reference plate 4 is tightly in contact with the bed board, it can be confirmed that the bed board has reached the target angle. There is also another way of using it. After the bed angle is adjusted, when it is necessary to measure the adjusted bed angle, the indicator block 22 is kept in a state where it can slide along the angle indicator 1. Pull the reference plate 4 and attach the reference plate 4 to the bottom surface of the bed board. At this time, the angle of the reference plate 4 can be adjusted, while the bed board is at a fixed angle. This device has the above two measurement methods. It can measure the fixed bed board angle and also provide a reference for adjusting the bed board that needs to be adjusted to a fixed angle, flexibly adapting to different clinical nursing scenarios.
[0032] Finally, it should be noted that the above embodiments are merely specific implementations of the present invention, used to illustrate the technical solutions of the present invention, and not to limit it. The scope of protection of the present invention is not limited thereto. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that any person skilled in the art can still modify or easily conceive of changes to the technical solutions described in the foregoing embodiments within the scope of the technology disclosed in the present invention, or make equivalent substitutions for some of the technical features; and these modifications, changes, or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention. All should be covered within the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be determined by the scope of the claims.
[0033] Although embodiments of the present invention have been disclosed above, they are not limited to the applications listed in the specification and embodiments. They can be applied to various fields suitable for the present invention. For those skilled in the art, other modifications can be easily made. Therefore, without departing from the general concept defined by the claims and their equivalents, the present invention is not limited to the specific details and illustrations shown and described herein.
Claims
1. A bed lifting angle measuring device, characterized by, The utility model relates to a kind of angle measuring device for sickbed, including: Angle indicator (1) is arranged in sickbed head frame, surface is equipped with 0 °-90 ° scale line, and the scale line is calibrated with horizontal plane as 0 ° reference mark; Measurer (2) includes measuring scale (21) and indicating block (22), the measuring scale (21) is fixedly connected on the indicating block (22), the indicating block (22) is set on the angle indicator (1) and can slide along its circumferential direction; The measuring scale (21) includes scale body (211) and scale band (212), the scale body (211) is fixedly connected on the indicating block (22), one end of the scale band (212) is wound on the inside of the scale body (211) on spring, the other end of the scale band (212) is equipped with reference plate (4), the reference plate (4) is abutted with the bottom surface of sickbed bedplate.
2. A bed lifting angle measuring device according to claim 1, characterised in that, The measuring device further includes bandage (3), the outside of the angle indicator (1) is equipped with connecting lug (11), one end of the bandage (3) is detachably connected with the connecting lug (11), the other end of the bandage (3) is equipped with magic tape or elastic buckle.
3. The bed lifting angle measuring device according to claim 1, wherein The unit of the scale line is 1 °, and fluorescent identification is provided beside the scale line.
4. The bed lift angle measuring device according to claim 1, wherein The angle indicator (1) is in the structure of a quarter of a ring.
5. The bed lift angle measuring device according to claim 1, wherein The angle indicator (1) is further equipped with U-shaped fixing sheet (12), and the U-shaped fixing sheet (12) is clamped with sickbed bedframe.
6. The bed lift angle measuring device according to claim 1, wherein The measuring scale (21) further includes brake button (213) and brake sheet, the brake button (213) is arranged on the outer surface of the scale body (211), and the brake sheet is fixedly connected with the brake button (213) and located in the inside of the scale body (211).
7. The bed lift angle measuring device according to claim 1, wherein The scale band (212) is made of spring steel material.
8. The bed lift angle measuring device according to claim 1, wherein The indicating block (22) includes block body (221) and fixing bolt (222), the block body (221) is set on the angle indicator (1) and can slide along its circumferential direction, the block body (221) is provided with screw hole and indicating line, and the fixing bolt (222) is threadedly connected with the screw hole and abuts the angle indicator (1).