Clinical nursing anti-falling device

Abstract

The invention discloses a clinical nursing anti-falling device, and belongs to the technical field of medical instruments. The clinical nursing anti-falling device comprises a rotating shaft, a locking assembly and a control assembly, the rotating shaft is rotationally connected to the edge of one side of a sickbed, the locking assembly is used for enabling the rotating shaft to stop rotating, the control assembly comprises a magnetic core, a conductor sleeve, a first winding drum, a tension spring and a tension sensor, and the magnetic core is slidably connected to the sickbed in the vertical direction; the conductor sleeve is fixedly connected to the bed frame and arranged outside the middle of the sliding track of the magnetic core in a sleeving mode, the first winding drum is coaxially and fixedly connected to the rotating shaft, the two ends of the tension spring are connected with the magnetic core and a first pull rope which is fixed and wound around the first winding drum respectively, and the tension sensor is used for detecting the tension of the tension spring. According to the clinical nursing anti-falling device, the problem that a traditional guardrail cannot protect the safety of a patient and bring convenience to the patient to get out of bed at the same time is solved.

Description

Technical Field

[0001] The present invention relates to the technical field of medical devices, and in particular to a clinical nursing anti-fall device. Background Art

[0002] Clinical nursing refers to the daily work content of nursing staff in clinical practice, including routine nursing and nursing management. In addition to providing medical services to patients, clinical nursing work also needs to ensure that patients do not suffer new injuries during the recovery process. In order to prevent patients from falling off the bed, both sides of the bed are usually equipped with liftable or foldable guardrails to prevent patients from rolling off. However, when the traditional guardrails are locked for protection, their positions are often fixed. When the patient needs to get out of bed, the patient or other people need to operate and find the locking switch of the guardrail. The patient can get out of bed only after the guardrail is unlocked. For patients with weak bodies, getting out of bed is very inconvenient. However, if the guardrails are often unlocked for the convenience of patients getting out of bed, the guardrails lose their protective function and easily cause patients to accidentally fall off the bed, which is not worth the loss. Summary of the invention

[0003] The purpose of the present invention is to overcome the problems in the prior art and to provide a clinical nursing anti-fall device that overcomes the problem that traditional guardrails cannot take into account both protecting patient safety and facilitating patients getting out of bed.

[0004] The clinical nursing anti-fall device provided by the present invention comprises:

[0005] A rotating shaft, used for rotationally connecting with one side of the bed, the rotating shaft being provided with a guardrail arranged along the edge of the bed;

[0006] A locking assembly, used to stop the rotating shaft from rotating; and

[0007] Control components, including:

[0008] A guide member, arranged at a corner of the bed;

[0009] a magnetic core connected to the guide member so as to slide in a vertical direction;

[0010] A conductor sleeve, which is sleeved outside the guide member and located in the middle of the guide member, and the conductor sleeve is fixedly connected to the bed;

[0011] A tension spring, one end of which is connected to the top end of the magnetic core;

[0012] A tension sensor is provided on the tension spring and is used to detect the tension of the tension spring. The tension sensor and the locking assembly are both connected to a controller signal so that when the tension value detected by the tension sensor is greater than a set value, the controller controls the locking assembly to stop the rotation of the rotating shaft;

[0013] A first drum is coaxially fixedly connected to the rotating shaft, a first pull rope is fixedly connected to the first drum, and a free end of the first pull rope is connected to the other end of the tension spring;

[0014] In this way, it is convenient for patients to get in and out of bed at any time, and at the same time, it can timely prevent patients from accidentally falling from the bed. Moreover, since the guardrail on the rotating shaft only needs to be flipped up or down, there will be no situation where people are pinched and injured.

[0015] Preferably, the locking assembly comprises:

[0016] A locking wheel is coaxially fixedly connected to the rotating shaft, and a plurality of locking grooves are evenly arranged around the circumference of the locking wheel;

[0017] A locking block is slidably connected to the bed, and the sliding direction is to enter or leave any of the locking grooves;

[0018] A locking spring connected between the locking block and the bed to prevent the locking block from moving away from the locking groove;

[0019] A stopper is slidably connected to the bed, and the sliding direction is to enter or leave between the locking block and the locking groove. The stopper is connected to a sliding drive assembly, and the sliding drive assembly and the tension sensor are both connected to the controller signal;

[0020] In this way, by arranging the locking wheel, the locking block, the locking spring and the stopper in the locking assembly, a faster reaction speed can be achieved to lock the rotating shaft in time.

[0021] Preferably, one side of the locking groove or one side of the locking block entering the locking groove is set as an inclined surface, so that when the guardrail rotates upward, the locking wheel and the locking block abut against each other through the inclined surface and squeeze the locking block out of the locking groove;

[0022] In this way, the guardrail and the locking block can be reset upward respectively, and when the guardrail flips upward, the first pull rope can gradually detach from the first drum, so that the magnetic core falls back to the bottom of the conductor sleeve under gravity, so that the guardrail can protect the patient again.

[0023] Preferably, the locking assembly further comprises a second drum, the second drum is coaxially fixedly connected to the rotating shaft, the locking block is connected to a second pull rope wound around and fixedly connected to the second drum, so that when the guardrail rotates upward, the locking block is pulled by the second pull rope to slide to a side away from the locking groove until the locking block slides to a side of the stop block away from the locking groove;

[0024] In this way, the blocking block can be easily driven to block between the locking block and the locking groove through the sliding drive assembly, and the locking block can slide into the locking groove promptly and quickly after the blocking block leaves between the locking block and the locking groove.

[0025] Preferably, the stopper is at least partially made of ferromagnetic material, and the sliding drive assembly comprises:

[0026] A return spring connected between the stopper and the bed to prevent the stopper from leaving between the locking block and the locking groove;

[0027] An electromagnet is connected to the bed and is disposed on a side of the block away from the locking block and the locking groove. The electromagnet and the tension sensor are both connected to the controller signal. When the tension of the tension spring is greater than a set value, the controller controls the power supply to energize the electromagnet.

[0028] In this way, the block can quickly leave the space between the locking block and the locking groove, making it easier for the locking block to slide into the locking groove. In addition, when the first pull rope gradually detaches from the first drum and the magnetic core falls back under the conductor sleeve by gravity, the magnetic core gradually falls back under the conductor sleeve by gravity, and a magnetic field that hinders the movement of the magnetic core is generated in the conductor sleeve, slowing down the falling speed of the magnetic core. On the one hand, it can avoid damage to the magnetic core, and on the other hand, the tension of the tension spring will only be less than the set value, and the electromagnet is always in a power-off state. After the locking block slides to the side of the block away from the locking groove, the return spring can quickly push the block to block between the locking groove and the locking block.

[0029] Preferably, the locking block is slidably connected to the bed in a vertical direction and is located directly above the locking wheel. In this way, the locking block enters the locking wheel at a faster speed and reacts quickly, thereby improving the response speed and locking the locking wheel and the rotating shaft in time through the locking block.

[0030] Preferably, the bed is also provided with a magnetic block, which is arranged directly below the magnetic core and is used to attract the magnetic core. In this way, the guardrail can be kept perpendicular to the bed board of the bed, preventing the guardrail from flipping downward due to tilt and gravity, thereby further improving the safety of the present invention.

[0031] Preferably, one end of the first pull rope is fixed and wound around the first drum, and the other end is wound around a pulley and connected to the tension spring; one end of the second pull rope is fixed and wound around the second drum, and the other end is wound around a pulley group or a second pulley and connected to the locking block. In this way, the first pull rope and the second pull rope can be protected by the pulley and the pulley group to avoid wear of the first pull rope and the second pull rope, which can increase the service life of the present invention.

[0032] Preferably, the guardrail is U-shaped, with both ends of the guardrail fixedly connected to the rotating shaft, and a plurality of elastic protective belts are connected between the guardrail and the rotating shaft, each elastic protective belt is evenly arranged along the longitudinal direction of the rotating shaft, and both ends of each elastic protective belt are respectively fixedly connected to the rotating shaft and the guardrail. In this way, when a patient falls, the patient can be blocked by the elastic protective belts on the guardrail, avoiding collision with the patient when the guardrail of the present invention stops rotating, thereby playing a buffering role.

[0033] Compared with the prior art, the present invention has at least the following advantages:

[0034] The clinical nursing anti-fall device of the present invention is provided with a rotating shaft, a locking assembly and a control assembly, and a guardrail is provided on the rotating shaft. When the patient wants to get out of bed, the guardrail is pushed or pulled at a relatively gentle speed, so that the speed difference between the magnetic core in the control assembly and the end of the first pull rope will not be too large, and the tension spring will not be pulled too long, and the tension value detected by the tension detector will not exceed the set value, and the controller will not control the locking assembly to lock the rotating shaft. In this way, it is not only convenient for the patient to get out of bed at any time, but also when the patient accidentally pushes against the guardrail on the bed, causing the guardrail to rotate at a higher speed, and there is a risk of the patient falling off, the control assembly will control the locking assembly to lock the rotating shaft, so that the guardrail stops rotating, and the patient is prevented from accidentally falling off the bed in time. The present invention overcomes the problem that the traditional guardrail cannot take into account both protecting the safety of the patient and facilitating the patient to get out of bed. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0036] Figure 2 It is a schematic diagram of the cutaway structure of the control assembly of the present invention;

[0037] Figure 3 It is a schematic diagram of the connection structure of the control assembly when the magnetic core of the present invention is at the lowest position;

[0038] Figure 4 It is a schematic diagram of the connection structure of the control assembly when the magnetic core of the present invention moves;

[0039] Figure 5 It is a schematic diagram of the overall structure of the locking assembly of the present invention;

[0040] Figure 6 It is a schematic diagram of the connection structure of the locking assembly when the locking block of the present invention enters the locking groove;

[0041] Figure 7 It is a schematic diagram of the connection structure of the locking assembly when the stopper of the present invention is blocked between the locking block and the locking groove;

[0042] Figure 8The present invention is a schematic diagram of the overall structure of a clinical nursing anti-fall device provided on both sides of a bed board.

[0043] Description of reference numerals:

[0044] 1. Hospital bed, 11. Guide, 2. Rotating shaft, 21. Guardrail, 22. Elastic protective belt, 23. Rotating sleeve, 31. Magnetic core, 32. Conductor sleeve, 33. First reel, 34. Tension spring, 35. First pull rope, 41. Locking wheel, 411. Locking groove, 42. Locking wheel, 43. Locking spring, 44. Stopper, 45. Second reel, 451. Second pull rope, 46. Reset spring, 47. Electromagnet, 5. Magnetic block, 61. Pulley, 62. Pulley block. DETAILED DESCRIPTION

[0045] The following is combined with Figures 1 to 8 , the specific implementation of the present invention is described in detail, but it should be understood that the protection scope of the present invention is not limited by the specific implementation. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0046] The clinical nursing anti-fall device provided by the present invention can be set with two on each bed. The bed 1 includes a bed board and a bed frame. The bed board is installed on the bed frame. The two anti-fall devices of the present invention both include a rotating shaft 2, a locking assembly and a control assembly. The rotating shaft 2 is rotatably connected to one side edge of the bed 1. Specifically, both side edges of the bed board are provided with a plurality of rotating sleeves 23. The rotating shaft 2 is respectively penetrated into each rotating sleeve 23 on one side of the bed board. The rotating shaft 2 is provided with a guardrail 21 arranged along the edge of the bed board. The locking assembly is used to stop the rotation of the rotating shaft 2. The control assembly includes a magnetic core 31, a conductor sleeve 32, a first reel 33, a tension spring 34 and a tension sensor. The magnetic core 31 is slidably connected to the bed 1 in a vertical direction. The conductor sleeve 32 is fixedly connected to the bed frame and is sleeved outside the middle part of the sliding track of the magnetic core 31. Specifically, the guide member 11 is two guide rods vertically fixed at a corner of the bed frame. The two guide rods both penetrate the magnetic core 31 so that the magnetic core 31 is between the two guide rods. The conductor sleeve 32 is sleeved outside the two guide rods and is located in the middle of the guide rods. Initially, the magnetic core 31 is located below the conductor sleeve 32, and the axis of the conductor sleeve 32 is vertically arranged. The first drum 33 is coaxially fixedly connected to the rotating shaft 2. The two ends of the tension spring 34 are respectively connected to the magnetic core 31 and a first pull rope 35 fixed and wound around the first drum 33, so that when the guardrail 21 rotates downward, the magnetic core 31 is pulled upward to pass through the conductor sleeve 32. Specifically, one end of the first pull rope 35 is fixedly connected to the first drum 33, the bottom end of the tension spring 34 is fixedly connected to the magnetic core 31, and the top end is fixedly connected to the other end of the first pull rope 35. The tension sensor is used to detect the tension of the tension spring 34. The tension sensor and the locking assembly are both connected to the controller signal, so that when the tension value detected by the tension sensor is greater than the set value, the controller controls the locking assembly to stop the rotation of the rotating shaft 2.

[0047] Working principle:

[0048] The rotating shaft 2 is rotated to make the guardrail 21 flip downward, and the first reel 33 in the control component can rotate with the rotating shaft 2, and the first pull rope 35 is hand-wound on the first reel 33. Then, the first pull rope 35 can pull the tension spring 34 and the magnetic core 31 to slide upward, and make the magnetic core 31 pass through the conductor sleeve 32. According to Lenz's law, due to the change in the position between the magnetic core 31 and the conductor sleeve 32, the magnetic flux passing through the conductor sleeve 32 will change, thereby generating a magnetic field in the conductor sleeve 32 that hinders the movement of the magnetic core 31. In this way, the faster the first pull rope 35 pulls the tension spring 34 and the magnetic core 31, the greater the resistance to the magnetic core 31, the longer the length of the tension spring 34, the greater the tension of the tension spring 34, and the tension sensor detects The greater the pulling force value, the greater the pulling force value obtained. When the patient wants to get on and off the bed 1 normally, he will push or pull the guardrail 21 at a relatively slow speed. The magnetic core 31 is subject to less resistance and the length of the tension spring 34 is shorter. Therefore, the pulling force value detected by the tension sensor will not exceed the set value. The patient can flip the guardrail 21 to get out of bed at any time. If the patient accidentally pushes against the guardrail 21, causing the guardrail 21 to rotate at a higher speed, there is a risk of the patient falling off, and the pulling force value detected by the tension sensor exceeds the set value, at this time, the controller can quickly control the locking assembly to lock the rotating shaft 2, so that the guardrail 21 stops rotating, thereby preventing the patient from accidentally falling off the bed 1 in time, thereby overcoming the problem that traditional guardrails cannot take into account both protecting the patient's safety and facilitating the patient to get out of bed.

[0049] As a preferred embodiment, the locking assembly includes a locking wheel 41, a locking block 42, a locking spring 43 and a stopper 44. The locking wheel 41 is coaxially fixedly connected to the rotating shaft 2. A plurality of locking grooves 411 are evenly arranged on the circumference of the locking wheel 41. The locking block 42 is slidably connected to the bed 1, and the sliding direction is to enter or leave any of the locking grooves 411. The locking spring 43 is connected between the locking block 42 and the bed 1 to prevent the locking block 42 from moving away from the locking groove 411. The stopper 44 is slidably connected to the bed 1, and the sliding direction is to enter or leave between the locking block 42 and the locking groove 411. A sliding drive assembly is connected to the stopper 44. The sliding drive assembly and the tension sensor are both connected to the controller signal. By adopting the above technical solution, the locking wheel 41 can rotate together with the rotating shaft 2. When the tension value detected by the tension sensor is less than or equal to the set value, the controller does not need any instructions, and the locking block 42 is blocked by the driving block 44 and cannot enter between the locking block 42 and the locking groove 411. When the tension value detected by the tension sensor is greater than the set value, the controller controls the sliding driving assembly to drive the block 44 to slide, so that the block 44 leaves the locking block 42 and the locking groove 411. Therefore, the locking spring 43 can quickly push the locking block 42 to slide into the locking groove 411 on the locking wheel 41, thereby stopping the locking wheel 41 and the rotating shaft 2 from rotating. In this way, the locking assembly of the present invention can have a higher reaction speed to lock the rotating shaft 2 in time, so that the guardrail 21 will not flip down again.

[0050] As a preferred embodiment, one side of the locking groove 411 or one side of the locking block 42 entering the locking groove 411 is set as an inclined surface, so that when the guardrail 21 rotates upward, the locking wheel 41 and the locking block 42 are abutted against each other through the inclined surface, and the locking block 42 is squeezed outward from the locking groove 411. With the above technical solution, when the guardrail 21 rotates upward until it is perpendicular to the bed, the locking wheel 41 can squeeze the locking block 42 outward through the inclined surface, so that the guardrail 21 and the locking block 42 can be easily reset upward respectively, and in the process of the guardrail 21 flipping upward, the first pull rope 35 can gradually detach from the first reel 33, so that the magnetic core 31 falls back to the bottom of the conductor sleeve 32 by gravity, so that the guardrail 21 can protect the patient again.

[0051] As a preferred embodiment, the locking assembly further comprises a second reel 45, which is coaxially fixedly connected to the rotating shaft 2, and the locking block 42 is connected to a second pull rope 451 wound around and fixedly connected to the second reel 45, so that when the guardrail 21 rotates upward, the locking block 42 is pulled by the second pull rope 451 to slide to a side away from the locking groove 411 until the locking block 42 slides to a side of the stop block 44 away from the locking groove 411;

[0052] By adopting the above technical solution, the second reel 45 can rotate with the rotating shaft 2. When the rotating shaft 2 rotates to make the guardrail 21 rotate upward, the second pull rope 451 is gradually wound on the second reel 45, and the locking block 42 can be pulled to slide to the side away from the locking groove 411 until the locking block 42 slides to the side of the stopper 44 away from the locking groove 411. In this way, it is convenient to drive the stopper 44 to block between the locking block 42 and the locking groove 411 through the sliding drive assembly;

[0053] Specifically, when the guardrail 21 is rotated to be perpendicular to the bed board of the hospital bed 1, the locking block 42 slides to the side of the stopper 44 away from the locking groove 411. In this way, after the locking block 42 enters the locking groove 411, the operator can rotate the guardrail 21 to be perpendicular to the bed board of the hospital bed 1, and then the locking block 42 slides to the side of the stopper 44 away from the locking groove 411. The present invention returns to the initial state, unlocking the guardrail 21, and the patient can push or pull the guardrail 21 on the bed to facilitate getting out of bed or getting on bed. Otherwise, when the locking block 42 is in the locking groove 411, the guardrail 21 can only be rotated upward, but not downward.

[0054] And when the rotating shaft 2 rotates to make the guardrail 21 rotate downward, the second pull rope 451 gradually detaches from the second reel 45, so that the second pull rope 451 will not restrict the locking block 42. In this way, after the blocking block 44 leaves between the locking block 42 and the locking groove 411, the locking block 42 can slide into the locking groove 411 in time, and the guardrail 21 can always realize the protection function during the downward flipping process.

[0055] As a preferred embodiment, the block 44 is made of ferromagnetic material as a whole, and the sliding drive assembly includes a reset spring 46 and an electromagnet 47. The reset spring 46 is connected between the block 44 and the bed 1 to prevent the block 44 from leaving between the locking block 42 and the locking groove 411. The electromagnet 47 is connected to the bed 1, and the electromagnet 47 is electrically connected to a power supply. The electromagnet 47 is arranged on a side of the block 44 away from the locking block 42 and the locking groove 411. The electromagnet 47 is connected to the tension sensor through the controller signal. By adopting the above technical solution, when the tension value detected by the tension sensor is greater than the set value, the controller controls the electromagnet 47 to be energized, which can attract the block 44 and compress the reset spring 46. In this way, the block 44 can be quickly moved. Leaving between the locking block 42 and the locking groove 411, it is convenient for the locking block 42 to slide into the locking groove 411, and in the process that the first pull rope 35 gradually detaches from the first reel 33, allowing the magnetic core 31 to fall back under the conductor sleeve 32 by gravity, the magnetic core 31 gradually falls back under the conductor sleeve 32 by gravity, and a magnetic field that hinders the movement of the magnetic core 31 is generated in the conductor sleeve 32, so that the falling speed of the magnetic core 31 is slowed down. On the one hand, it can avoid damage to the magnetic core 31, and on the other hand, it can make the tension of the tension spring 34 only less than the set value. The electromagnet 47 is always in a power-off state. After the locking block 42 slides to the side of the block 44 away from the locking groove 411, the reset spring 46 can quickly push the block 44 to block between the locking groove 411 and the locking block 42.

[0056] As a preferred embodiment, the locking block 42 is slidably connected to the bed 1 in the vertical direction and is located directly above the locking wheel 41. By adopting the above technical solution, the locking block 42 enters the locking wheel 41 at a faster speed and reacts quickly, thereby improving the response speed and timely locking the locking wheel 41 and the rotating shaft 2 through the locking block 42.

[0057] As a preferred embodiment, the bed 1 is further provided with a magnetic block 5, which is arranged directly below the magnetic core 31 and is used to attract the magnetic core 31. Specifically, the setting value on the controller is equal to the sum of the value of the attraction of the magnetic block 5 on the magnetic core 31, the value of the gravity on the magnetic core 31 and an allowable value, which is the maximum resistance exerted on the magnetic core 31 by allowing the magnetic field generated in the conductor sleeve 32 to hinder the movement of the magnetic core 31 so that the locking assembly will not lock the rotating shaft 2;

[0058] By adopting the above technical solution, in the initial state, the magnetic core 31 can be adsorbed by the magnetic block 5, so that when the pulling force value is less than the sum of the attractive force of the magnetic block 5 on the magnetic core 31 and the gravity value of the magnetic core 31, the magnetic block 5 will not move. In this way, the tension spring 34 can pull the first pull rope 35, and drive the first reel 33 and the rotating shaft 2, so that the guardrail 21 remains perpendicular to the bed board of the hospital bed 1, avoiding the guardrail 21 from flipping downward due to tilt and gravity, thereby further improving the safety of the present invention. When the pulling force value is greater than or equal to the sum of the attractive force of the magnetic block 5 on the magnetic core 31 and the gravity value of the magnetic core 31 but less than the set value, the patient can push or pull the guardrail 21 to rotate, allowing the patient to get on and off the bed 1 freely.

[0059] As a preferred embodiment, one end of the first pull rope 35 is fixed and wound around the first drum 33, and the other end is connected to the tension spring 34 via a pulley 61; one end of the second pull rope 451 is fixed and wound around the second drum 45, and the other end is connected to the locking block 42 via a pulley group 62 or a second pulley. By adopting the above technical solution, the first pull rope 35 and the second pull rope 451 can be protected by the pulley 61 and the pulley group 62 to avoid wear of the first pull rope 35 and the second pull rope 451, thereby increasing the service life of the present invention.

[0060] As a preferred embodiment, the guardrail 21 is U-shaped, and both ends of the guardrail 21 are fixedly connected to the rotating shaft 2. A plurality of elastic protective belts 22 are connected between the guardrail 21 and the rotating shaft 2. Each elastic protective belt 22 is evenly arranged along the longitudinal direction of the rotating shaft 2, and both ends of each elastic protective belt 22 are fixedly connected to the rotating shaft 2 and the guardrail 21, respectively. By adopting the above technical scheme, when a patient falls, the patient can be blocked on the elastic protective belts 22 on the guardrail 21, so as to avoid collision with the patient when the guardrail 21 of the present invention stops rotating, thereby playing a buffering role. In addition, each elastic protective belt 22 can also be replaced with a whole piece of elastic protective cloth, which can also play a protective effect. The elastic protective belt 22 used in the present invention can be easily replaced when part of the elastic protective belt 22 is damaged, and it will not affect the function of other elastic protective belts 22. Local damage to the elastic protective cloth may make the entire belt unusable, which not only increases the replacement cost, but also may cause danger.

[0061] In the description of the present invention, it should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "including one..." do not exclude the existence of other identical elements in the process, method, article or device including the elements. In the description of the present invention, it should also be noted that, unless otherwise clearly specified and defined, the terms "set", "install", "connect" and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.

[0062] While the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that many changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the invention.

Claims

1. A clinical nursing anti-fall device, characterized in that: include: A rotating shaft (2) is used for being rotatably connected to one side of the hospital bed (1), and a guardrail (21) is provided on the rotating shaft (2) and arranged along the edge of the hospital bed (1); A locking assembly, used to stop the rotating shaft (2) from rotating; as well as Control components, including: A guide member (11) is arranged at a corner of the hospital bed (1); A magnetic core (31) connected to the guide member (11) so as to slide in a vertical direction; A conductor sleeve (32) is sleeved outside the guide member (11) and is located in the middle of the guide member (11); the conductor sleeve (32) is fixedly connected to the hospital bed (1); A tension spring (34), one end of which is connected to the top end of the magnetic core (31); a tension sensor, arranged on the tension spring (34) and used to detect the tension of the tension spring (34); the tension sensor and the locking assembly are both connected to a controller signal so that when the tension value detected by the tension sensor is greater than a set value, the controller controls the locking assembly to stop the rotation of the rotating shaft (2); The first reel (33) is coaxially fixedly connected to the rotating shaft (2), and a first pull rope (35) is fixedly connected to the first reel (33), and the free end of the first pull rope (35) is connected to the other end of the tension spring (34).

2. The clinical nursing anti-fall device according to claim 1, characterized in that: The locking assembly comprises: A locking wheel (41) is coaxially fixedly connected to the rotating shaft (2), and a plurality of locking grooves (411) are evenly arranged in the circumference of the locking wheel (41); A locking block (42) is slidably connected to the hospital bed (1), and the sliding direction is to enter or leave any of the locking grooves (411); A locking spring (43) connected between the locking block (42) and the hospital bed (1) to prevent the locking block (42) from moving away from the locking groove (411); A stopper (44) is slidably connected to the hospital bed (1), and the sliding direction is to enter or leave between the locking block (42) and the locking groove (411). A sliding drive component is connected to the stopper (44), and the sliding drive component and the tension sensor are both connected to the controller signal.

3. The clinical nursing anti-fall device according to claim 2, characterized in that: One side of the locking groove (411) or one side of the portion of the locking block (42) entering the locking groove (411) is set as an inclined surface.

4. The clinical nursing anti-fall device according to claim 3, characterized in that: The locking assembly further comprises a second reel (45), the second reel (45) being coaxially fixedly connected to the rotating shaft (2), and the locking block (42) being connected to a second pull rope (451) wound around and fixedly connected to the second reel (45).

5. The clinical nursing anti-fall device according to claim 4, characterized in that: The stopper (44) is at least partially made of ferromagnetic material, and the sliding drive assembly comprises: A return spring (46) connected between the stopper (44) and the hospital bed (1) to prevent the stopper (44) from leaving between the locking block (42) and the locking groove (411); An electromagnet (47) is connected to the hospital bed (1) and is arranged on a side of the stopper (44) away from the locking block (42) and the locking groove (411). The electromagnet (47) and the tension sensor are both connected to the controller signal. When the tension of the tension spring (34) is greater than a set value, the controller controls the power supply to energize the electromagnet (47).

6. The clinical nursing anti-fall device according to claim 2, characterized in that: The locking block (42) is slidably connected to the hospital bed (1) in a vertical direction and is located directly above the locking wheel (41).

7. The clinical nursing anti-fall device according to claim 6, characterized in that: The hospital bed (1) is also provided with a magnetic attraction block (5), which is arranged directly below the magnetic core (31) and is used to attract the magnetic core (31).

8. The clinical nursing anti-fall device according to claim 4, characterized in that: One end of the first pull rope (35) is fixed and wound around the first drum (33), and the other end is wound around a pulley (61) and connected to the tension spring (34); one end of the second pull rope (451) is fixed and wound around the second drum (45), and the other end is wound around a pulley group (62) or a second pulley and connected to the locking block (42).

9. The clinical nursing anti-fall device according to claim 1, characterized in that: The guardrail (21) is U-shaped, and both ends of the guardrail (21) are fixedly connected to the rotating shaft (2). A plurality of elastic protection belts (22) are connected between the guardrail (21) and the rotating shaft (2). Each elastic protection belt (22) is evenly arranged along the longitudinal direction of the rotating shaft (2), and both ends of each elastic protection belt (22) are fixedly connected to the rotating shaft (2) and the guardrail (21), respectively.

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