Lifting guardrail for medical sickbed

Abstract

A medical sickbed lifting guardrail comprises a guardrail assembly, a guiding assembly and an adjusting assembly, the guiding assembly comprises four stand columns, and guardrail sliding grooves are formed in the stand columns in the vertical direction; the two transverse ends of the guardrail assembly are connected to the stand columns in the direction of the guardrail sliding grooves in a liftable mode. The adjusting assembly comprises a locking piece and a switch piece, the locking piece comprises a pair of oppositely-arranged positioning tongues, the positioning tongues are connected to the guardrail assembly and arranged in the guardrail sliding groove, the stand column is provided with a plurality of limiting grooves for clamping the positioning tongues in the vertical direction, and the switch piece is used for controlling locking and unlocking of the positioning tongues. When the positioning tongue is locked, the positioning tongue is clamped through the limiting groove, the height of the guardrail assembly on the stand column is locked, the positioning tongue is controlled to be unlocked through the switch piece, and the height of the guardrail assembly can be freely adjusted by separating the positioning tongue from the limiting groove. The height of the guardrail can be adjusted according to actual conditions whether the guardrail is operated by a medical worker or an accompanying person or a child stands on a sickbed, and the safety of the guardrail in the using process is improved.

Description

Technical Field

[0001] The present application relates to the field of medical equipment, and in particular to a medical bed lifting guardrail. Background Art

[0002] Hospital beds are medical equipment frequently used in hospitals. Guardrails are installed on both sides of the beds. Their main purpose is to prevent patients from falling off the bed. Most existing bed guardrails are composed of two parallel horizontal bars and a vertical bar in the middle. The guardrails can only be intercepted on both sides of the bed, or flipped down as a whole and then flipped up when in use. There is also a type in which the vertical bar in the middle can be tilted as a whole, so that the upper and lower horizontal bars overlap, making the guardrail lower.

[0003] The existing bed guardrails on the market are in one piece. For some patients who are not able to move themselves or children, they must either be fully erected, which is inconvenient for family members or medical staff to operate, or fully lowered, which poses certain safety hazards and is likely to cause a fall accident. Children are especially young, active, have poor cognitive abilities, and lack the ability to identify dangerous environments. If parents are not there to accompany them, they are prone to falling out of bed. Utility Model Content

[0004] The present application provides a medical bed lifting guardrail, which can adjust the height of the guardrail according to actual conditions and improve the safety of the guardrail during use.

[0005] According to the present application, an embodiment provides a medical bed lifting guardrail for installation on a bed body, including a guardrail assembly, a guide assembly and an adjustment assembly.

[0006] The guide assembly includes four groups of columns arranged at the corners of the bed body, and guardrail slide grooves are provided on the columns in the vertical direction, and the guardrail slide grooves are used to install the guardrail assembly;

[0007] The guardrail components are distributed on both sides of the bed body, and the two transverse ends of the guardrail components are liftably connected to the columns along the direction of the guardrail slide groove;

[0008] The adjustment component includes a locking piece and a switch piece. The locking piece includes a pair of relatively arranged positioning tongues. The positioning tongues are connected to the guardrail component and arranged in the guardrail slide groove. The column is provided with a plurality of limiting grooves for clamping the positioning tongues along the vertical direction. The positioning tongue includes a locked state and an unlocked state. In the locked state, the positioning tongue is clamped in the limiting groove. In the unlocked state, the positioning tongue is disengaged from the limiting groove. The switch piece is used to control the positioning tongue to switch between the locked state and the unlocked state.

[0009] In another embodiment, the positioning tongue includes a clamping portion, a hinged portion and a limiting portion in sequence, and the hinged portion is provided with an elastic member that causes the clamping portion to tend to clamp; the switch member includes a guide rod and a guide block and a pull block respectively arranged at both ends of the guide rod, the guide rod is installed on the guardrail assembly along a transverse sliding manner, the guide block extends between the clamping portions, and the pull block is used to pull the guide rod to slide so that the limiting portions approach each other and disengage from the limiting groove.

[0010] In another embodiment, the switch component also includes a guardrail switch and a rotating component arranged at the top of the guardrail assembly, the guardrail switch and the pull block are close to each other, and a sliding inclined surface is provided on the side of the guardrail switch close to the pull block, the rotating component is arranged on the side of the pull block close to the guardrail switch and fits with the sliding inclined surface, the rotating component is used to reduce the friction between the rotating component and the sliding inclined surface, and the guardrail switch pushes the pull block to pull the guide rod through the sliding inclined surface.

[0011] In another embodiment, the guardrail switch is provided with a guide rail along the trajectory direction of the rotating part.

[0012] In another embodiment, a reset member is provided on the guide rod, and the reset member is used to drive the guide rod and the guide block to slide and reset.

[0013] In another embodiment, the adjustment assembly also includes an elastic member, which includes a coil spring, and the coil spring is arranged in the guardrail slide groove. The curled tail end of the coil spring is used to connect the guardrail assembly to generate an upward pulling force and make the guardrail assembly always have an upward trend.

[0014] In another embodiment, the guardrail assembly includes a horizontally arranged top rod, a bottom rod, and a plurality of support rods connected to the top rod and the bottom rod, and the support rods are configured as telescopic rods movable in a vertical direction.

[0015] In another embodiment, the guide assembly includes a connecting plate arranged on both sides of the plurality of support rods, the two ends of the connecting plate are respectively used to connect the top rod and the bottom rod, and the connecting plate is slidably connected in the guardrail slide groove and guides the guardrail assembly.

[0016] In another embodiment, the connecting plate includes a first slide plate and a second slide plate distributed along the vertical direction, and the first slide plate and the second slide plate are staggered so that the first slide plate and the second slide plate can slide relative to each other in the vertical direction.

[0017] In another embodiment, a slot for the second slide to be inserted and slide is provided on one side of the first slide, and a limit plate is provided on the top of the second slide, and the limit plate is used to limit the first slide from being separated from the second slide.

[0018] According to the lifting guardrail of the above embodiment, a positioning tongue connected to the guardrail assembly is provided, and the positioning tongue includes a locked state and an unlocked state. In the locked state, the positioning tongue is positioned through a limit groove provided in the guardrail slide groove of the column to lock the height of the guardrail assembly on the column. The positioning tongue is controlled to switch between the locked state and the unlocked state through a switch. When in the unlocked state, the positioning tongue is disengaged from the limit groove to freely adjust the height of the guardrail assembly; no matter whether medical staff or accompanying persons are operating, or children are standing on the bed, the height of the guardrail can be adjusted according to actual conditions to improve the safety of the guardrail during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the overall structure of a medical bed lifting guardrail;

[0020] Figure 2 A schematic structural diagram of a guardrail assembly according to an embodiment;

[0021] Figure 3 A schematic diagram of the internal structure of a column according to an embodiment;

[0022] Figure 4 A schematic diagram of the structure of a connecting plate according to an embodiment;

[0023] Figure 5 A schematic diagram of the installation structure of a positioning tongue according to an embodiment;

[0024] Figure 6 A schematic diagram of the structure of an adjustment component according to an embodiment;

[0025] Figure 7 The figure is a schematic diagram of the internal structure of a guardrail switch according to an embodiment.

[0026] 1. Guardrail assembly; 11. Top rod; 12. Bottom rod; 13. Support rod; 14. Connecting cover; 15. Guide groove; 16. Mounting seat; 2. Guide assembly; 21. Post; 22. Guardrail slide groove; 23. Limiting groove; 24. Connecting plate; 241. First slide plate; 242. Second slide plate; 243. Slot; 244. Limiting plate; 3. Adjustment assembly; 31. Positioning tongue; 311. Clamping part; 312. Hinge part; 313. Limiting part; 314. Adjustment boss; 32. Guardrail switch; 321. Switch seat; 322. Pressing part; 323. Embedding groove; 324. Sliding inclined surface; 325. Guide rail; 33. Guide rod; 34. Guide block; 35. Pull block; 36. Bearing; 37. Return spring; 38. Coil spring; 4. Bed body. DETAILED DESCRIPTION

[0027] The present application is further described in detail below by specific embodiments in conjunction with the accompanying drawings. Wherein similar elements in different embodiments adopt associated similar element numbers. In the following embodiments, many detailed descriptions are intended to enable the present application to be better understood. However, those skilled in the art can easily recognize that some of the features can be omitted in different situations, or can be replaced by other elements, materials, and methods. In some cases, some operations related to the present application are not shown or described in the specification, in order to avoid the core part of the present application being overwhelmed by too much description, and for those skilled in the art, it is not necessary to describe these related operations in detail, and they can fully understand the related operations based on the description in the specification and the general technical knowledge in the art.

[0028] In addition, the features, operations or characteristics described in the specification can be combined in any appropriate manner to form various implementations, and the operation steps involved in each embodiment can also be replaced or adjusted in a sequence in a manner that is obvious to those skilled in the art. Therefore, the specification and drawings are only for the purpose of clearly describing a certain embodiment and do not mean that the composition and / or sequence are necessary.

[0029] The serial numbers of the components in this document, such as "first", "second", etc., are only used to distinguish the objects described and do not have any order or technical meaning. The "connection" and "coupling" mentioned in this application, unless otherwise specified, include direct and indirect connections (couplings).

[0030] Most of the existing bed guardrails are composed of two parallel horizontal bars and a vertically arranged vertical bar in the middle. The guardrails can only be intercepted on both sides of the bed, or flipped down as a whole and then flipped up when in use. There is also a type in which the middle vertical bar can be tilted as a whole, so that the upper and lower horizontal bars overlap, making the guardrail lower. The bed guardrails currently available on the market are in one piece. For some patients with insufficient self-control or children, they must either be fully raised, which is inconvenient for family members or medical staff to operate, or completely lowered, which poses certain safety hazards and is likely to cause a fall accident. Especially for children who are young, lively and active, have poor cognitive abilities, and lack the ability to identify dangerous environments, they are prone to falling out of bed when their parents are not in place to accompany them.

[0031] The present application provides a medical bed lifting guardrail, which can adjust the height of the guardrail according to actual conditions and improve the safety of the guardrail during use.

[0032] According to this application, please refer to Figure 1 and Figure 2In one embodiment, a medical bed lifting guardrail is provided, which is used to be installed on a bed body 4, including a guardrail assembly 1, a guide assembly 2 and an adjustment assembly 3. The guide assembly 2 includes four groups of columns 21 arranged at the corners of the bed body 4. The columns 21 are provided with guardrail slide grooves 22 in the vertical direction. The guardrail slide grooves 22 are used to install the guardrail assembly 1; the guardrail assembly 1 is distributed on both sides of the bed body 4, and the two ends of the guardrail assembly 1 can be lifted and connected to the columns 21 along the direction of the guardrail slide grooves 22; the adjustment assembly 3 includes four groups of columns 21 arranged at the corners of the bed body 4, and the guardrail slide grooves 22 are provided on the columns 21 in the vertical direction. Component 3 includes a locking component and a switch component. The locking component includes a pair of relatively arranged positioning tongues 31. The positioning tongues 31 are connected to the guardrail assembly 1 and are arranged in the guardrail slide groove 22. The column 21 is provided with a plurality of limiting grooves 23 for locking the positioning tongues 31 in the vertical direction. The positioning tongue 31 includes a locked state and an unlocked state. In the locked state, the positioning tongue 31 is locked in the limiting groove 23. In the unlocked state, the positioning tongue 31 is disengaged from the limiting groove 23. The switch component is used to control the positioning tongue 31 to switch between the locked state and the unlocked state.

[0033] In this embodiment, when the positioning tongue 31 is in the locked state, the positioning tongue 31 is positioned through the limit groove 23 set in the guardrail slide groove 22 of the column 21, thereby locking the height of the guardrail assembly 1 on the column 21. The positioning tongue 31 is controlled by the switch to switch between the locked state and the unlocked state. In the unlocked state, the positioning tongue 31 is disengaged from the limit groove 23 to freely adjust the height of the guardrail assembly 1; regardless of whether medical staff or accompanying persons are operating, or children are standing on the bed, the height of the guardrail can be adjusted according to actual conditions to improve the safety of the guardrail during use.

[0034] Please refer to Figure 1 and Figure 2 The guardrail assembly 1 includes a horizontally arranged top rod 11, a bottom rod 12, and a plurality of support rods 13 arranged to connect the top rod 11 and the bottom rod 12. The support rod 13 is configured as a telescopic rod that can move in the vertical direction. In this embodiment, the guardrail assembly 1 adopts an up and down telescopic design. When the guardrail assembly 1 is in a fully lowered state, the height is only half of the original height after contraction. The fully lowered guardrail assembly 1 does not exceed the height of the bed, which can meet the requirements that when the bed surface is in an ultra-low position, it will not affect the patient's normal getting on and off the bed after it is lowered, and it can protect the patient when sitting after it is raised, thereby reducing safety hazards. The lifting and telescopic structure of the guardrail assembly 1 can further increase the height adjustment range of the guardrail assembly 1, which is more applicable and safer.

[0035] Please refer to Figure 3 The guardrail slide groove 22 is closed, and connecting covers 14 are provided at both ends of the top rod 11 and the bottom rod 12. A vertical guide groove 15 is opened on the connecting cover 14, and the connecting cover 14 extends into the inner cavity of the column 21. The notch of the guardrail slide groove 22 is inserted into the guide groove 15 and slides along the guide of the guide groove 15, thereby ensuring the stability of the guardrail assembly 1 during the lifting process.

[0036] Please refer to Figure 2 and Figure 4 The guide assembly 2 includes a connecting plate 24 disposed on both sides of the plurality of support rods 13. The connecting plate 24 includes a first slide plate 241 and a second slide plate 242 distributed in the vertical direction. The upper end of the first slide plate 241 is connected to the top rod 11, and the lower end of the second slide plate 242 is connected to the bottom rod 12. The first slide plate 241 and the second slide plate 242 are staggered so that the first slide plate 241 and the second slide plate 242 slide relative to each other in the vertical direction. The connecting plate 24 is slidably connected in the guardrail chute 22 and guides the guardrail assembly 1.

[0037] For details, please refer to Figure 4 A slot 243 for the second slide 242 to be inserted and slide is provided on one side of the first slide 241, and a limit plate 244 is provided on the top of the second slide 242. The limit plate 244 is used to limit the first slide 241 from being separated from the second slide 242. Since the guardrail assembly 1 is designed as an upper and lower split type, it can meet the height of the guardrail after rising, avoid the safety hazard of the patient during sitting, and at the same time meet the requirements of not affecting the patient's normal getting on and off the bed after falling. The limit plate 244 can ensure that the first slide 241 and the second slide 242 will not fall off during the extension and lifting process, and strengthen the integrity of the upper and lower extension parts of the guardrail assembly 1.

[0038] For further information, please refer to Figure 3 and Figure 5 The inner cavity of the guardrail slide groove 22 is provided with a mounting seat 16, and the positioning tongue 31 is installed on the mounting seat 16. For details, please refer to Figure 1 A pair of positioning tongues 31 are arranged opposite to each other. The positioning tongues 31 are similar to the structure of a commonly used clip, and include a clamping portion 311, a hinge portion 312 and a limiting portion 313 in sequence. The hinge axes of the two hinge portions 312 are parallel but do not overlap. The hinge axes of the hinge portions 312 are rotatably connected to the mounting seat 16, the first slide plate 241 and the connecting cover 14 to achieve connection with the guardrail assembly 1; the hinge axis is horizontal and parallel to the length direction of the guardrail, and the hinge portion 312 is provided with an elastic member that makes the clamping portion 311 tend to clamp. In this embodiment, the elastic member adopts a torsion spring; the clamping portions 311 are approached to each other through the torsion spring and always tend to fit together, and the limiting portions 313 tend to move away from each other accordingly.

[0039] For further information, please refer to Figure 2 and Figure 6Any column 21 is provided with a pair of positioning tongues 31 and corresponding switch parts; the switch parts include a guardrail switch 32, a guide rod 33, and a guide block 34 and a pull block 35 respectively arranged at both ends of the guide rod 33, the guide rod 33 is installed on the guardrail assembly 1 along the lateral sliding direction, and the length direction and sliding direction of the guide rod 33 are parallel to the length direction of the guardrail assembly 1; a support seat supporting the sliding of the guide rod 33 is provided in the top rod 11, the guide block 34 is used to extend between the clamping parts 311, and the pull block 35 is used to pull the guide rod 33 to slide, so that the limiting parts 313 are close to each other and disengage from the limiting groove 23.

[0040] Please refer to Figure 7 The guardrail switch 32 is arranged at the top of the guardrail assembly 1, and includes a switch seat 321, a rotating member, and a pressing portion 322 slidably mounted on the switch seat 321. The switch seat 321 is fixed between any two supporting columns. The pressing portion 322 slides in the vertical direction and is embedded in the switch seat 321. The upper end of the pressing switch extends into the top rod 11, and the upper end of the pressing switch is provided with an embedding groove 323 for the sliding of the pull block 35, and the bottom wall of the embedding groove 323 is provided with a sliding inclined surface 324; the rotating member is arranged on the side of the pull block 35 close to the bottom wall of the embedding groove 323. In this embodiment, the rotating member adopts a bearing 36, which is mounted on the pull block 35, and the axis of the bearing 36 is horizontal and perpendicular to the length direction of the guardrail assembly 1. The friction between the two sliding inclined surfaces 324 is reduced by the bearing 36, and the pressing switch is pushed up, so that the pull block 35 is pushed by the sliding inclined surface 324 to pull the guide rod 33 to move along the length direction. The bottom wall of the embedding groove 323 is provided with a guide rail 325 along the track direction of the bearing 36.

[0041] For details, please refer to Figure 6 , an adjustment boss 314 is provided on the side where the clamping parts 311 are close to each other, and the side where the adjustment boss 314 is close to each other is set as an inclined surface, that is, when the guide rod 33 drives the guide block 34 to move on the clamping part 311, the side wall of the guide block 34 undergoes a process of climbing and descending the slope. When the guide block 34 is at the highest slope position, the distance between the two clamping parts 311 is the largest, and the distance between the limiting parts 313 is the smallest, that is, the clamping parts 311 are separated from the limiting groove 23, and the positioning tongue 31 is in an unlocked state. When the guide block 34 is at the lowest slope position, the distance between the two clamping parts 311 is the smallest, and the distance between the limiting parts 313 is the largest, that is, the clamping part 311 is stuck in the limiting groove 23, and the positioning tongue 31 is in a locked state. In the embodiment of the present application, the adjustment boss 314 is set as a double inclined surface structure with a high middle and low sides.

[0042] For further information, please refer to Figure 6The guide rod 33 is provided with a reset member. After the guardrail switch 32 switches the positioning tongue 31 to the unlocked state for adjustment, the reset member is used to drive the guide rod 33 to slide and reset, so that the positioning tongue 31 is switched to the locked state again. The reset member of this embodiment is a reset spring 37, which is sleeved on the guide rod 33, and one end of the reset spring 37 is fixed to the connecting cover 14, and the other end is fixed to the guide rod 33. The reset spring 37 makes the guide rod 33 drive the positioning tongue 31 to always have a tendency to switch to the locked state.

[0043] Please refer to Figure 5 The adjustment component 3 also includes an elastic member. In this embodiment, the elastic member is a coil spring 38, which is arranged in the guardrail slide groove 22. The end of the coil spring 38 is hung on the column 21. The curled part of the tail end of the coil spring 38 is used to connect the guardrail component 1. The coil spring 38 is used to generate an upward pulling force and make the guardrail component 1 always have an upward trend. When the guardrail component 1 descends, the coil spring 38 is driven to fall and open, which is used to balance the stability of the guardrail component 1 when it rises. When the guardrail component 1 rises, the coil spring 38 resets the curling assistance, generates an upward pulling force to assist the rise.

[0044] The above specific examples are used to illustrate the present invention, which are only used to help understand the present invention and are not intended to limit the present invention. For those skilled in the art of the present invention, some simple deductions, deformations or substitutions can be made based on the idea of ​​the present invention.

Claims

1. A medical bed lifting guardrail, used for installation on a bed body (4), characterized in that: It comprises a guardrail component (1), a guide component (2) and an adjustment component (3), The guide assembly (2) comprises four groups of columns (21) arranged at the corners of the bed body (4), and guardrail slide grooves (22) are provided on the columns (21) in the vertical direction, and the guardrail slide grooves (22) are used to install the guardrail assembly (1); The guardrail assembly (1) is distributed on both sides of the bed body (4), and the two lateral ends of the guardrail assembly (1) are connected to the upright column (21) in a manner that they can be raised and lowered along the direction of the guardrail slide groove (22); The adjustment assembly (3) comprises a locking member and a switch member, wherein the locking member comprises a pair of positioning tongues (31) arranged opposite to each other, wherein the positioning tongues (31) are connected to the guardrail assembly (1) and arranged in the guardrail slide groove (22), and the column (21) is provided with a plurality of limiting grooves (23) for clamping the positioning tongues (31) in the vertical direction, and the positioning tongues (31) comprise a locking state and an unlocking state, wherein in the locking state, the positioning tongues (31) are clamped in the limiting grooves (23), and in the unlocking state, the positioning tongues (31) are separated from the limiting grooves (23); the switch member is used for controlling the positioning tongues (31) to switch between the locking state and the unlocking state.

2. The medical bed lifting guardrail according to claim 1, characterized in that: The positioning tongue (31) comprises a clamping portion (311), a hinged portion (312) and a limiting portion (313) in sequence, wherein the hinged portion (312) causes the clamping portions (311) to tend to clamp each other; the switch member comprises a guide rod (33) and a guide block (34) and a pull block (35) respectively arranged at two ends of the guide rod (33); the guide rod (33) is installed on the guardrail assembly (1) in a lateral sliding manner, the guide block (34) extends between the clamping portions (311), and the pull block (35) is used to pull the guide rod (33) to slide, so that the limiting portions (313) are close to each other and separated from the limiting groove (23).

3. The medical bed lifting guardrail according to claim 2, characterized in that: The switch component also includes a guardrail switch (32) and a rotating component arranged at the top of the guardrail assembly (1); the guardrail switch (32) and the pull block (35) are close to each other, and a sliding inclined surface (324) is arranged on the side of the guardrail switch (32) close to the pull block (35); the rotating component is arranged on the side of the pull block (35) close to the guardrail switch (32) and is in contact with the sliding inclined surface (324); the rotating component is used to reduce the friction between the rotating component and the sliding inclined surface (324); the guardrail switch (32) pushes the pull block (35) to pull the guide rod (33) through the sliding inclined surface (324).

4. The medical bed lifting guardrail according to claim 3, characterized in that: The guardrail switch (32) is provided with a guide rail (325) along the track direction of the rotating member.

5. The medical bed lifting guardrail according to claim 3, characterized in that: The guide rod (33) is provided with a reset member, and the reset member is used to drive the guide rod (33) and the guide block (34) to slide and reset.

6. The medical bed lifting guardrail according to claim 1, characterized in that: The adjustment assembly (3) also includes an elastic member, which includes a coil spring (38). The coil spring (38) is arranged in the guardrail slide groove (22). The curled portion of the tail end of the coil spring (38) is used to connect to the guardrail assembly (1) to generate an upward pulling force and enable the guardrail assembly (1) to always have an upward trend.

7. The medical bed lifting guardrail according to any one of claims 1 to 6, characterized in that: The guardrail assembly (1) comprises a horizontally arranged top rod (11), a bottom rod (12), and a plurality of support rods (13) arranged to connect the top rod (11) and the bottom rod (12), wherein the support rods (13) are arranged as telescopic rods movable in a vertical direction.

8. The medical bed lifting guardrail according to claim 7, characterized in that: The guide assembly (2) comprises a connecting plate (24) arranged on both sides of the plurality of support rods (13), the two ends of the connecting plate (24) being respectively used to connect the top rod (11) and the bottom rod (12), and the connecting plate (24) is slidably connected in the guardrail slide groove (22) and guides the guardrail assembly (1).

9. The medical bed lifting guardrail according to claim 8, characterized in that: The connecting plate (24) comprises a first slide plate (241) and a second slide plate (242) distributed in a vertical direction, wherein the first slide plate (241) and the second slide plate (242) are arranged alternately so that the first slide plate (241) and the second slide plate (242) can slide relative to each other in the vertical direction.

10. The medical bed lifting guardrail according to claim 9, characterized in that: A slot (243) for the second slide plate (242) to be inserted and slide is provided on one side of the first slide plate (241), and a limit plate (244) is provided on the top of the second slide plate (242), and the limit plate (244) is used to limit the first slide plate (241) from detaching from the second slide plate (242).

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