Backrest device for old people lying in bed

Abstract

The utility model discloses a backrest device for old people lying in bed, which comprises a bottom frame and an overturning frame, and the bottom frame is a rectangular frame body; the turnover frame comprises a left side connecting rod part and a right side connecting rod part, the two side connecting rod parts are located on the left side and the right side of the bottom frame, an upper horizontal bent rod part is formed between the upper ends of the two side connecting rod parts, and the left portion and the right portion of the elastic backrest piece are fixed to the two side connecting rod parts. An extension part is formed between the opposite wall surfaces of the bottoms of the two side connecting rod parts, and the extension part is movably connected to the front part of the side rod part at the left part or the right part of the bottom frame; the bottom frame is a rectangular frame body, the four corners of the bottom frame are arc-shaped bent parts, so that the bottom frame is not prone to abutting against the human body, the uncomfortable depth is greatly reduced when the human body leans against the bottom frame, the elastic backrest piece is installed in a clamping mode, installation and disassembly are convenient, and the bottom frame can be cleaned only by being disassembled during cleaning, and is very convenient to use.

Description

Technical field:

[0001] The utility model relates to the technical field of nursing, and more specifically to a bed backrest device for the elderly. Background technology:

[0002] The elderly or patients usually lie in bed more often, and when awake, they usually need to lean on the backrest at the head of the bed. However, the backrest at the head of the bed is usually vertical or slightly curved. This structure is usually not comfortable when leaning back, and the effect is poor.

[0003] Therefore, a device with adjustable backrest angle is needed for the elderly or patients;

[0004] For example, a backrest bracket for bedridden patients with Chinese patent application number 202120551032.6 can adjust the angle of the backrest, but the two ends of the front part of the base extend out. When the user is not leaning against the backrest, the front end is easy to hit the body, which affects the use and makes the user uncomfortable.

[0005] At the same time, the existing backrest sheet is generally sewn on the flip frame by fine thread, so that when it is cleaned, the entire device needs to be cleaned, and the structure of the base and the flip frame is generally made of iron material, which is easy to rust after repeated washing, affecting the use;

[0006] Moreover, after the backrest piece is damaged, it is necessary to remove the sewing line, then replace it, and then sew it again, which is very troublesome and the replacement efficiency is low. Utility model content:

[0007] The purpose of the utility model is to overcome the deficiencies of the prior art and to provide a bed backrest device for the elderly. Its bottom frame is a rectangular frame with four corners formed as arc-shaped bent parts, so that it is not easy to press against the human body and the discomfort depth is greatly reduced when the human body leans on it. Moreover, its elastic backrest piece is installed by clamping, which is convenient for installation and disassembly. When cleaning, it only needs to be disassembled for cleaning, which is very convenient.

[0008] The solution of the utility model to solve the technical problem is:

[0009] A bed backrest device for the elderly, comprising a bottom frame and a turning frame, wherein the bottom frame is a rectangular frame;

[0010] The flip frame comprises two left and right side connecting rods, the two side connecting rods are located at the left and right sides of the bottom frame, an upper horizontal bending rod is formed between the upper ends of the two side connecting rods, and the left and right parts of the elastic backrest sheet are fixed on the two side connecting rods; an extension part is formed between the opposite wall surfaces at the bottom of the two side connecting rods, and the extension part is movably connected to the front part of the side rod part of the left or right part of the bottom frame;

[0011] The middle parts of the two side connecting rod parts are movably connected with the oblique support rods through hinge shafts, and a bottom transverse rod extending left and right is formed between the bottom ends of the two oblique support rods. Plastic support blocks are fixed on the top surfaces from the middle to the rear of the two front and rear extending side rod parts of the left and right parts of the bottom frame, and a plurality of positioning grooves arranged front and back are formed on the top surfaces of the plastic support blocks, and the bottom transverse rod is clamped in the corresponding two positioning grooves.

[0012] The four corners of the bottom frame are all formed with arc-shaped bending parts;

[0013] The forming part between the upper ends of the two side connecting rods of the turnover frame and the upper horizontal bending rod is an arc-shaped bending part.

[0014] An arc-shaped transition section is formed between the extension portions of the two side connecting rod portions and the bottom portions of the side connecting rod portions.

[0015] The upper and lower parts of the left and right parts of the elastic backrest sheet are both fixed with connecting elastic pieces with C-shaped cross-sections, and the side connecting rod parts are clamped in the corresponding connecting elastic pieces.

[0016] The outer wall at the front part of the side rod part of the left or right part of the bottom frame is formed with a through hole extending laterally inward, the rubber protective sleeve is inserted into the through hole, the outer wall of the rubber protective sleeve is tightly against the inner wall of the through hole, the outer wall of the outer end of the rubber protective sleeve is formed with a radially extending edge, the inner wall surface of the radially extending edge is tightly against the outer wall surface of the corresponding side rod part of the bottom frame, and the outer inner wall of the radially extending edge is formed with an annular groove;

[0017] The end of the arc-shaped transition section formed on the inner side of the bottom of the side connecting rod is inserted into the annular groove, the end face of the end of the arc-shaped transition section is close to the end face of the annular groove, the outer side wall of the end of the arc-shaped transition section is close to the inner side wall of the annular groove, an extension portion is formed in the middle of the inner end face of the arc-shaped transition section, the extension portion is inserted in the rubber protective sleeve, an inner end connecting piece is pressed against the opposite wall surface of the side rod portion of the left or right part of the bottom frame at the inner end of the through hole, and the inner end connecting piece is fixedly connected to the end face of the extension portion by bolts.

[0018] The beneficial effects of the utility model are:

[0019] Its bottom frame is a rectangular frame with arc-shaped bends at its four corners, which makes it not easy to hit the human body. When the human body leans on it, the discomfort depth is greatly reduced. Moreover, its elastic backrest piece is installed by card installation, which is convenient for installation and disassembly. When cleaning, you only need to disassemble it for cleaning, which is very convenient. Description of the drawings:

[0020] Figure 1 It is a partial structural schematic diagram of the utility model;

[0021] Figure 2 It is a partial top view of the utility model;

[0022] Figure 3 It is a partial structural schematic diagram of the bottom frame of the utility model. Specific implementation method:

[0023] For example, see Figures 1 to 3 As shown, a bed backrest device for the elderly includes a bottom frame 10 and a flip frame 20, wherein the bottom frame 10 is a rectangular frame; arc-shaped bending parts are formed at the four corners of the bottom frame 10; so that the bottom frame 10 has no sharp parts, and when a human body accidentally leans against the bottom frame 10 during use, it will not be too uncomfortable.

[0024] Furthermore, the flip frame 20 includes two left and right side connecting rods 21, and the two side connecting rods 21 are located at the left and right sides of the bottom frame 10. An upper horizontal bending rod 22 is formed between the upper ends of the two side connecting rods 21. The formed part between the upper ends of the two side connecting rods 21 and the upper horizontal bending rod 22 is an arc-shaped bending part, which also makes the flip frame 20 have no sharp parts. When using, if the human body accidentally leans against the flip frame 20, it will not be too uncomfortable.

[0025] Furthermore, the left and right parts of the elastic backrest sheet 23 are fixed on the two side connecting rods 21; the upper and lower parts of the left and right parts of the elastic backrest sheet 23 are fixed with connecting elastic members 231 with a C-shaped cross section, and the side connecting rods 21 are clamped in the corresponding connecting elastic members 231. This structure allows the embodiment to be separated from the side connecting rods 21 by only pulling the connecting elastic members 231 outwards when not in use. Similarly, when installing, only the connecting elastic members 231 need to be clamped onto the side connecting rods 21 to complete the installation. This makes it very convenient to replace the elastic backrest sheet 23, and when it needs to be cleaned, only the elastic backrest sheet 23 needs to be disassembled for cleaning, without the need to clean the entire backrest sheet, which greatly facilitates cleaning and replacement.

[0026] An extension portion 211 is formed between the opposite wall surfaces at the bottom of the two side connecting rod portions 21, and the extension portion 211 is movably connected to the front portion of the side rod portion 11 of the left or right portion of the bottom frame 10; an arc-shaped transition section is formed between the extension portion 211 of the two side connecting rod portions 21 and the bottom of the side connecting rod portion 21; the arc-shaped transition section ensures that there is no sharp part at the connection between the flip frame 20 and the bottom frame 10, so that when a human body accidentally leans against it, it will not be too uncomfortable.

[0027] The outer wall of the front part of the side rod 11 of the left or right part of the bottom frame 10 is formed with a through hole extending laterally inward, the rubber protective sleeve 1 is inserted into the through hole, the outer wall of the rubber protective sleeve 1 is tightly against the inner wall of the through hole, the outer wall of the outer end of the rubber protective sleeve 1 is formed with a radial extension edge 2, the inner wall surface of the radial extension edge 2 is tightly against the outer wall surface of the corresponding side rod 11 of the bottom frame 10, and the outer inner wall of the radial extension edge 2 is formed with an annular groove; the inner side of the bottom of the side connecting rod 21 is formed with an arc The end of the transition section is inserted into the annular groove, the end face of the end of the arc-shaped transition section is close to the end face of the annular groove, the outer wall of the end of the arc-shaped transition section is close to the inner wall of the annular groove, and an extension portion 211 is formed in the middle of the inner end face of the arc-shaped transition section. The extension portion 211 is inserted into the rubber protective sleeve 1, and an inner end connecting piece 3 is pressed against the opposite wall surface of the side rod portion 11 of the left or right part of the bottom frame 10 at the inner end of the through hole, and the inner end connecting piece 3 is fixedly connected to the end face of the extension portion 211 by bolts.

[0028] The rubber protective cover 1 is used to facilitate the rotation of the connection between the flip frame 20 and the bottom frame 10 .

[0029] Furthermore, the middle parts of the two side connecting rods 21 are movably connected with the oblique support rods 30 through the hinge shaft, and a bottom transverse rod 31 extending left and right is formed between the bottom ends of the two oblique support rods 30. A plastic support block 12 is fixed on the top surface of the middle part to the rear part of the two side rods 11 extending forward and backward on the left and right parts of the bottom frame 10. A plurality of positioning grooves 121 arranged forward and backward are formed on the top surface of the plastic support block 12, and the bottom transverse rod 31 is clamped in the corresponding two positioning grooves 121. When using it, the bottom transverse rod 31 can be removed from the original positioning groove 121 and inserted into another corresponding positioning groove 121, thereby changing the rotation angle of the bottom flip frame 20 and the tilt angle of the elastic backrest sheet 23, so as to meet the needs of users for using it at different tilt angles.

[0030] Furthermore, an upper clamping elastic block 40 with a C-shaped cross-section is clamped on the upper horizontal bending rod portion 22 of the flip frame 20, and an elastic pillow portion 41 is fixed to the lower part of the front wall surface of the upper clamping elastic block 40, and the elastic pillow portion 41 rests on the upper front wall surface of the elastic backrest piece 23.

[0031] This structure makes it very convenient to simply pull out the upper clamping elastic block 40 from the upper horizontal bending rod 22 when the elastic block 40 needs to be cleaned or replaced. During installation, it is only necessary to press the upper clamping elastic block 40 onto the upper horizontal bending rod 22 to achieve clamping. The installation is also very convenient and has good use effect.

[0032] Furthermore, arc-shaped transition sections are formed between the two ends of the bottom transverse rod 31 and the bottom ends of the two oblique support rods 30. This arc-shaped transition section makes it possible for there to be no sharp portion between the bottom transverse rod 31 and the two oblique support rods 30.

[0033] The above structure shows that the present embodiment has high safety and greatly improved comfort in use.

Claims

1. A bed backrest device for the elderly, comprising a bottom frame (10) and a turning frame (20), characterized in that: The bottom frame (10) is a rectangular frame; The flip frame (20) comprises two left and right side connecting rods (21), the two side connecting rods (21) are located on the left and right sides of the bottom frame (10), an upper horizontal bending rod (22) is formed between the upper ends of the two side connecting rods (21), and the left and right parts of the elastic backrest sheet (23) are fixed on the two side connecting rods (21); an extension part (211) is formed between the opposite wall surfaces at the bottom of the two side connecting rods (21), and the extension part (211) is movably connected to the front part of the side rod (11) on the left or right side of the bottom frame (10); The middle parts of the two side connecting rod parts (21) are movably connected to the oblique support rod (30) through a hinge shaft, and a bottom transverse rod (31) extending left and right is formed between the bottom ends of the two oblique support rods (30). Plastic support blocks (12) are fixed on the top surfaces from the middle to the rear of the two side rod parts (11) extending forward and backward on the left and right parts of the bottom frame (10), and a plurality of positioning grooves (121) arranged forward and backward are formed on the top surfaces of the plastic support blocks (12), and the bottom transverse rod (31) is clamped in the corresponding two positioning grooves (121).

2. The bed backrest device for the elderly according to claim 1, characterized in that: The four corners of the bottom frame (10) are all formed with arc-shaped bending parts; The formed portion between the upper ends of the two side connecting rods (21) of the turning frame (20) and the upper horizontal bending rod (22) is an arc-shaped bending portion.

3. The bed backrest device for the elderly according to claim 1, characterized in that: An arc-shaped transition section is formed between the extension portions (211) of the two side connecting rod portions (21) and the bottoms of the side connecting rod portions (21).

4. The bed backrest device for the elderly according to claim 1, characterized in that: The upper and lower parts of the left and right parts of the elastic backrest sheet (23) are both fixed with connecting elastic pieces (231) with a C-shaped cross section, and the side connecting rod part (21) is clamped in the corresponding connecting elastic piece (231).

5. The bed backrest device for the elderly according to claim 1, characterized in that: An upper clamping elastic block (40) with a C-shaped cross section is clamped on the upper horizontal bending rod (22) of the turnover frame (20), an elastic pillow portion (41) is fixed to the lower part of the front wall surface of the upper clamping elastic block (40), and the elastic pillow portion (41) rests on the upper front wall surface of the elastic backrest sheet (23).

6. The bed backrest device for the elderly according to claim 1, characterized in that: Arc-shaped transition sections are formed between the two ends of the bottom transverse rod (31) and the bottom ends of the two oblique support rods (30).

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