Nursing bed capable of realizing sofa sitting posture

Abstract

The utility model relates to the field of medical auxiliary instruments, and discloses a nursing bed capable of realizing a sofa sitting posture, which comprises a bottom frame, two guide plates are fixedly connected to the inner wall of the bottom frame, a mounting frame is slidably connected between the two guide plates, a seat plate is rotatably connected to the front part of the mounting frame, a backup plate is rotatably connected to one side of the seat plate, and a backrest is rotatably connected to the other side of the backup plate. The other end of the seat plate is rotationally connected with a supporting leg plate, a storage assembly and a conversion assembly are arranged on the inner wall of the mounting frame, the conversion assembly comprises a second electric push rod, the second electric push rod is rotationally connected to the mounting frame, and the output end of the second electric push rod is rotationally connected with a second connecting block. According to the chair, through the synergistic effect of the conversion assembly and the storage assembly, the second electric push rod drives the backup plate to rotate around the seat plate shaft, the angle of the backup plate is adjusted at will, a comfortable back support is provided, the connecting block is fixedly connected with the backup plate, and a convex plate of the connecting block drives the third connecting block to be in linkage with angle conversion of the seat plate.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of medical auxiliary instrument especially relates to a nursing bed that can realize sofa sitting posture. BACKGROUND

[0002] The nursing bed is a kind of medical auxiliary equipment, mainly used to provide comfortable resting place and convenient nursing condition for the patient needing special nursing such as long-term bedridden, inconvenient movement, postoperative rehabilitation or suffering from chronic diseases etc. Its design purpose is to reduce the work burden of nursing personnel, and improve the life quality and safety of patient. For example, for the paralytic patient, nursing personnel can conveniently turn over for it, and the occurrence of bedsore is prevented;For postoperative patient, suitable bed body angle adjustment is helpful to wound healing.

[0003] Traditional nursing bed usually only focuses on providing basic lying function, and its structure and function are relatively single, and it is difficult to meet the comprehensive needs of users in rehabilitation, leisure entertainment and daily communication etc. During the rehabilitation treatment, patient often needs to carry out the recovery training of body function in different postures, and traditional nursing bed cannot conveniently provide diversified sitting posture selection;In daily life, patient also expects to read, watch TV or interact with family comfortably like on ordinary sofa, but existing nursing bed is difficult to realize such scene conversion, and therefore a nursing bed that can realize sofa sitting posture is proposed. UTILITARY MODEL CONTENT

[0004] In order to make up for the above shortcomings, the utility model provides a nursing bed that can realize sofa sitting posture, aiming at improving the problem of relatively single structure and function of nursing bed in prior art.

[0005] In order to realize the above purpose, the utility model adopts the following technical scheme: a nursing bed that can realize sofa sitting posture, including the bottom frame, the inner wall of the bottom frame is fixedly connected with two guide plates, the installation frame is slidably connected between the two guide plates, the front part of the installation frame is rotatably connected with the sitting plate, one side of the sitting plate is rotatably connected with the back plate, the other end of the sitting plate is rotatably connected with the leg plate, the inner wall of the installation frame is provided with storage assembly and conversion assembly;

[0006] The conversion assembly includes the second electric push rod, the second electric push rod is rotatably connected on the installation frame, the output end of the second electric push rod is rotatably connected with the second connecting block, the side, away from the second electric push rod, of the second connecting block is fixedly connected on the back plate.

[0007] As further description of the above technical scheme:

[0008] The accommodation assembly comprises a first electric push rod, the first electric push rod is rotationally connected to the mounting frame, a first connecting block is rotationally connected to an output end of the first electric push rod, and the first connecting block is fixedly connected to the leg plate on a side away from the first electric push rod.

[0009] As a further description of the above technical solution:

[0010] The bottom frame is fixedly connected with supporting legs at four corners.

[0011] As a further description of the above technical solution:

[0012] The outer wall of the seat plate is fixedly connected with a protective fence.

[0013] As a further description of the above technical solution:

[0014] The outer wall of the seat plate is fixedly connected with a third connecting block, and the outer wall of the second connecting block is sleeved in the third connecting block.

[0015] As a further description of the above technical solution:

[0016] The mounting frame is fixedly connected with a limiting frame, and the outer wall of the first connecting block is slidingly connected in the limiting frame.

[0017] As a further description of the above technical solution:

[0018] The second connecting block is provided with a convex plate.

[0019] The utility model has the advantages of the following beneficial effects:

[0020] In the utility model, through the cooperative action of the conversion assembly and the accommodation assembly, the second electric push rod drives the backrest plate to rotate around the seat plate shaft, the angle of the backrest plate is adjusted at will, and comfortable back support is provided. The second connecting block is fixedly connected with the backrest plate, the convex plate drives the third connecting block, the angle of the seat plate is changed in linkage, and the sitting posture is natural. Under the guidance of the limiting frame, the first electric push rod stably rotates the leg plate to a suitable angle, and good support is provided to the legs. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 A nursing bed capable of realizing a sofa sitting posture is provided in the utility model;

[0022] Figure 2 A backrest plate of a nursing bed capable of realizing a sofa sitting posture is provided in the utility model;

[0023] Figure 3 For Figure 2 The enlarged view of A in the middle;

[0024] Figure 4A guide plate schematic diagram of the nursing bed capable of realizing sofa sitting posture is provided in the utility model.

[0025] Figure 5 For Figure 4 The enlarged view of B in the middle.

[0026] Legend:

[0027] 1, bottom bracket; 2, mounting bracket; 3, seat plate; 4, backrest; 5, support leg plate; 6, first electric push rod; 7, first connecting block; 8, limit frame; 9, guide plate; 10, second electric push rod; 11, second connecting block; 12, third connecting block; 13, guardrail; 14, support leg. Specific embodiments

[0028] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0029] Refer to Figures 1-3The utility model provides a kind of nursing bed of sofa sitting posture can be realized: a kind of nursing bed, including chassis 1, chassis 1 is as the basis support structure of entire nursing bed, to provide stable mounting platform for other components, two guide plates 9 are fixedly connected in the inner wall of chassis 1, two guide plates 9 are parallel with each other and fixed in the inner wall specific position of chassis 1, its surface has good flatness and low friction coefficient, to provide accurate and smooth guide path for the sliding of mounting rack 2, mounting rack 2 is slidably connected between two guide plates 9, pulley is installed on the outer wall of mounting rack 2, the inner wall of guide plate 9 is provided with the corresponding sliding slot, so that mounting rack 2 can slide on guide plate 9, in turn can be moved in front and back direction inside chassis 1, rotatingly connected with seat plate 3 in the front part of mounting rack 2, the rotating connection design of seat plate 3 and mounting rack 2 makes seat plate 3 can be angle rotated with specific shaft as center, provides comfortable sitting posture adjustment possibility for user, rotatingly connected with backrest 4 in one side of seat plate 3, the rotating connection of backrest 4 and seat plate 3 allows backrest 4 to angle adjustment relative to seat plate 3, user can adjust backrest 4 to suitable inclination angle according to own physical condition and comfortable demand, rotatingly connected with leg support plate 5 in the other end of seat plate 3, the rotating connection of leg support plate 5 and seat plate 3 makes leg support plate 5 can be rotated up and down relative to seat plate 3, when nursing bed is converted from lying state to sofa sitting posture, leg support plate 5 can be adjusted to suitable angle, provides natural comfortable support for the leg of user, storage assembly and conversion assembly are provided in the inner wall of mounting rack 2, storage assembly is mainly responsible for the storage or unfolding action of leg support plate 5 when nursing bed posture is converted, and conversion assembly focuses on controlling the angle transformation of backrest 4 and seat plate 3;

[0030] Referring to Figure 5 , conversion assembly includes second electric push rod 10, second electric push rod 10 is rotatably connected on mounting rack 2, the rotating connection mode of second electric push rod 10 and mounting rack 2 makes electric push rod 10 can automatically adjust its position and stress direction when working according to the rotation angle change of backrest 4, second electric push rod 10 output end is rotatably connected with second connecting block 11, the fixed connection of second connecting block 11 and backrest 4 ensures that the power of electric push rod 10 can be effectively transmitted to backrest 4, so that backrest 4 can be accurately angle adjusted under the drive of electric push rod 10, second connecting block 11 is fixedly connected on backrest 4 away from second electric push rod 10 side, the fixed connection of second connecting block 11 and backrest 4 ensures that the power of electric push rod 10 can be effectively transmitted to backrest 4, so that backrest 4 can be accurately angle adjusted under the drive of electric push rod 10.

[0031] Referring to Figure 3The accommodation assembly comprises a first electric push rod 6, which is rotationally connected to the mounting frame 2 and serves as a key driving element of the accommodation assembly, and has similar precise thrust control and stable working performance characteristics as the second electric push rod 10. During the function conversion of the nursing bed, the first electric push rod 6 is responsible for providing power support for the accommodation and unfolding actions of the leg plate 5. The output end of the first electric push rod 6 is rotationally connected to a first connecting block 7. When the electric push rod 6 is extended or retracted, the first connecting block 7 can flexibly adjust its angle and position according to the rotation requirements of the leg plate 5, ensuring the continuity and stability of power transmission. The side of the first connecting block 7 away from the first electric push rod 6 is fixedly connected to the leg plate 5. The fixed connection between the first connecting block 7 and the leg plate 5 ensures that the power of the first electric push rod 6 can be accurately transmitted to the leg plate 5, so that the leg plate 5 can rotate according to the predetermined trajectory and speed.

[0032] With reference to Figure 1 , Figure 2 and Figure 4 , the bottom frame 1 is fixedly connected with support legs 14 at the four corners of the bottom thereof, which mainly serves to support the nursing bed.

[0033] With reference to Figure 1 , Figure 2 and Figure 4 , the outer wall of the seat plate 3 is fixedly connected with a guardrail 13. When the user sits on the nursing bed, the guardrail 13 can be used as a handrail, which facilitates the user to get up, sit down or adjust the sitting posture, and reduces the risk of falling due to unstable body.

[0034] With reference to Figure 5 , the outer wall of the seat plate 3 is fixedly connected with a third connecting block 12. The fixed connection of the third connecting block 12 with the seat plate 3 enhances the structural strength and stability of the seat plate 3 at the connecting part with the backrest 4, and provides a reliable support basis for the rotation of the backrest 4. The outer wall of the second connecting block 11 is sleeved inside the third connecting block 12. When the backrest 4 is rotated to a certain extent, the second connecting block 11 can drive the third connecting block 12 to rotate, and further drive the seat plate 3 to rotate.

[0035] With reference to Figure 3 , the mounting frame 2 is fixedly connected with a limiting frame 8. The outer wall of the first connecting block 7 is slidingly connected inside the limiting frame 8. The limiting frame 8 precisely guides and limits the first connecting block 7, ensuring that the first connecting block 7 can move along the predetermined straight line track when the first electric push rod 6 drives the leg plate 5 to rotate, avoiding deviation of the first connecting block 7 from the normal movement path due to external interference or manufacturing errors, so as to ensure that the accommodation and unfolding actions of the leg plate 5 are accurate and smooth.

[0036] With reference to Figure 5The second connecting block 11 is internally provided with a protruding plate, which functions to drive the third connecting block 12 to rotate when the second connecting block 11 rotates to a certain angle, thereby realizing the rotation of the seat plate 4.

[0037] Working principle: when the nursing bed needs to be converted from a lying state to a sofa sitting position, the mounting frame 2 is slid on the base frame 1, and when the mounting frame 2 is slid to the position where the leg plate 5 is rotated, the second electric push rod 10 in the conversion assembly is started, and after receiving the control instruction, the second electric push rod 10 starts to stretch and retract, and the stretching and retracting movement of the second electric push rod 10 is converted into the rotation of the backrest 4 around the connecting shaft of the seat plate 3, thereby gradually adjusting the inclination angle of the backrest 4, and when the backrest 4 is adjusted to a certain position, the second electric push rod 10 continues to extend, at this time, the movement of the second connecting block 11 will drive the movement of the third connecting block 12, thereby realizing the conversion of the seat plate 3.

[0038] At the same time, the first electric push rod 6 of the storage assembly is also started. When the first electric push rod 6 stretches and retracts, the first connecting block 7 drives the leg plate 5 to rotate around the corresponding connecting point of the seat plate 3 under the guidance of the limiting frame 8, so that the leg plate 5 is lifted from the position in the lying state and adjusted to a suitable angle to provide support for the user's legs.

[0039] Finally, it should be pointed out that the above description is only a preferred embodiment of the present application and is not intended to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some technical features, and any modification, equivalent substitution, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A nursing bed that allows for a sofa-like sitting posture, comprising a base frame (1), characterized in that: The inner wall of the base frame (1) is fixedly connected to two guide plates (9), and a mounting frame (2) is slidably connected between the two guide plates (9). A seat plate (3) is rotatably connected to the front of the mounting frame (2), a backrest plate (4) is rotatably connected to one side of the seat plate (3), and a leg plate (5) is rotatably connected to the other end of the seat plate (3). The inner wall of the mounting frame (2) is provided with a storage component and a conversion component. The conversion assembly includes a second electric push rod (10), which is rotatably connected to the mounting bracket (2). The output end of the second electric push rod (10) is rotatably connected to a second connecting block (11), and the side of the second connecting block (11) away from the second electric push rod (10) is fixedly connected to the back plate (4).

2. The nursing bed that allows for a sofa-like sitting posture according to claim 1, characterized in that: The storage assembly includes a first electric push rod (6), which is rotatably connected to the mounting bracket (2). The output end of the first electric push rod (6) is rotatably connected to a first connecting block (7), and the side of the first connecting block (7) away from the first electric push rod (6) is fixedly connected to the support plate (5).

3. The nursing bed that allows for a sofa-like sitting posture according to claim 1, characterized in that: The base frame (1) has support legs (14) fixedly connected to the four corners of its bottom.

4. A nursing bed that allows for a sofa-like sitting posture according to claim 1, characterized in that: The outer wall of the seat (3) is fixedly connected to a guardrail (13).

5. A nursing bed that allows for a sofa-like sitting posture according to claim 1, characterized in that: The outer wall of the seat (3) is fixedly connected to a third connecting block (12), and the outer wall of the second connecting block (11) is sleeved inside the third connecting block (12).

6. A nursing bed that allows for a sofa-like sitting posture according to claim 2, characterized in that: The mounting bracket (2) is fixedly connected to the limiting bracket (8), and the outer wall of the first connecting block (7) is slidably connected to the limiting bracket (8).

7. A nursing bed that allows for a sofa-like sitting posture according to claim 1, characterized in that: The second connecting block (11) has a protruding plate inside.

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