Accompanying chair convenient to fold and store

Abstract

The utility model relates to an accompanying chair convenient to fold and store, and aims to solve the problems that when an existing accompanying chair is unfolded for sleeping, guardrails are not arranged on the two sides of an unfolded part, so that a quilt is easy to fall off from the accompanying chair when an accompanying person sleeps, the falling quilt is easy to be stained, and the accompanying chair is inconvenient to fold and store. The nursing bed comprises inverted-U-shaped supporting frames, the number of the inverted-U-shaped supporting frames is two, two supporting blocks are installed at the opposite ends of the two inverted-U-shaped supporting frames, a first rectangular frame is rotationally connected between the two supporting blocks on one side through a rotating shaft, and a second rectangular frame is rotationally connected between the two supporting blocks on the other side through a rotating shaft. According to the accompanying chair, the inverted-U-shaped guardrails are limited on the two sides of the cushion, so that a quilt is prevented from falling off when an accompanying person sleeps in the accompanying chair, pollution caused by falling off of the quilt is avoided, the situation that the accompanying person catches a cold due to falling off of the quilt when sleeping is avoided, and when the accompanying chair is folded, the inverted-U-shaped guardrails can be stored on the inner side of the rectangular frame, so that the accompanying chair is convenient to use. Therefore, the folding of the accompanying chair is not influenced.

Description

Technical Field

[0001] The utility model relates to the field of accompanying chairs, in particular to an accompanying chair which is convenient for folding and storing. Background Technique

[0002] An accompanying chair can also be called a companion bed, a patient companion chair, an accompanying bed, etc. It belongs to Class I medical devices in the classification of medical devices and is generally made of carbon steel with plastic spraying and stainless steel.

[0003] When the traditional accompanying chair is unfolded for sleeping, there are no guardrails on both sides of the unfolded part. As a result, the quilt is likely to fall off the accompanying chair when the accompanying personnel are sleeping. This not only easily makes the fallen quilt stained, but also the accompanying personnel are likely to catch a cold when sleeping. Therefore, new technical solutions need to be designed to solve this problem. Content of the Utility Model

[0004] The purpose of the utility model is to overcome the deficiencies of the prior art, adapt to the actual needs, and provide an accompanying chair which is convenient for folding and storing, so as to solve the technical problem that when the current accompanying chair is unfolded for sleeping, there are no guardrails on both sides of the unfolded part, resulting in the quilt of the accompanying personnel being likely to fall off the accompanying chair, which not only easily makes the fallen quilt stained, but also the accompanying personnel are likely to catch a cold when sleeping.

[0005] In order to achieve the purpose of the utility model, the technical solution adopted by the utility model is as follows: design an accompanying chair which is convenient for folding and storing, including an inverted U-shaped support frame. The number of the inverted U-shaped support frames is two. Two support blocks are installed at the relative ends between the two inverted U-shaped support frames. A first rectangular frame is rotatably connected between two support blocks on one side through a rotating shaft. One end of the first rectangular frame is provided with a second rectangular frame, and one end of the second rectangular frame is provided with a third rectangular frame. Hinges are installed on both sides of the bottom of the second rectangular frame. The second rectangular frame is respectively hinged to the first rectangular frame and the third rectangular frame through the hinges. Cushions are installed on the tops of the first rectangular frame, the second rectangular frame and the third rectangular frame. L-shaped support frames are fixedly connected to both sides of the bottom of the third rectangular frame; notches are respectively opened in the middle of both sides of the second rectangular frame and the third rectangular frame. Connecting shafts are rotatably connected to both sides of the inner cavity of the same-side notches. Connecting blocks are fixedly connected to the same-side connecting shafts. An inverted U-shaped guardrail is installed on the same-side connecting blocks. Insertion holes are respectively opened on the second rectangular frame and the third rectangular frame on both sides of the connecting shaft. A limiting groove is opened at the front end of the connecting block. An adjusting groove is opened at the bottom end of the inner cavity of the limiting groove. An adjusting block is slidably connected in the adjusting groove. A spring is installed between the adjusting block and the inner wall of the adjusting groove. One end of the adjusting block away from the spring is provided with an insertion rod, and the insertion rod passes through the connecting block and corresponds to the insertion hole.

[0006] Preferably, I-shaped reinforcing bars are installed inside both the second rectangular frame and the third rectangular frame, and the distance between both sides of the I-shaped reinforcing bar is adapted to the length of the notch.

[0007] Preferably, one end of the second rectangular frame close to the first rectangular frame is fixedly connected with an annular pulling belt. Universal wheels are installed at the bottoms of both L-shaped support frames, and the universal wheels have a braking function.

[0008] Preferably, an anti-slip sleeve is sleeved outside the bottom of the inverted U-shaped support frame.

[0009] Preferably, a toggle plate is slidably connected in the limiting groove, and the toggle plate is fixedly connected with the adjusting block.

[0010] Preferably, a headrest is installed on one side of the cushion on the first rectangular frame.

[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0012] Through the combination of structures such as the adjusting block, connecting block, spring, inserting rod, inserting hole, limiting groove, adjusting groove, adjusting block, connecting shaft and inverted U-shaped guardrail, when the accompanying chair is unfolded for sleeping, by moving the adjusting block to compress the spring while making the inserting rod disengage from the inserting hole on one side, the inverted U-shaped guardrail can rotate around the connecting shaft and be placed vertically. Then, release the adjusting block by hand and cooperate with the elastic force of the spring to push the inserting rod into another inserting hole, thereby limiting the inverted U-shaped guardrail on both sides of the cushion, thus preventing the quilt from falling off when the accompanying personnel sleep on the accompanying chair. This not only avoids the pollution caused by the quilt falling off, but also prevents the accompanying personnel from getting cold due to the quilt falling off when sleeping. When the accompanying chair is folded, by moving the adjusting block to compress the spring while making the inserting rod disengage from the inserting hole, and then rotating the inverted U-shaped guardrail by 270° to store the inverted U-shaped guardrail inside the rectangular frame, which does not affect the folding of the accompanying chair. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 is the overall front unfolded structural schematic diagram of the present utility model;

[0014] Figure 2 is the enlarged view at A of the present utility model;

[0015] Figure 3 is the overall bottom unfolded structural schematic diagram of the present utility model;

[0016] Figure 4 is the structural schematic diagram of the bottom of the second rectangular frame of the present utility model;

[0017] Figure 5 is the structural schematic diagram of the connection between the connecting block and the inserting rod of the present utility model;

[0018] Figure 6 This is an enlarged view of part B of the present utility model.

[0019] In the figure: 1. Inverted U-shaped support frame; 11. First rectangular frame; 12. Headrest; 13. Anti-slip sleeve; 14. Support block; 2. Seat cushion; 3. Ring-shaped pulling belt; 4. Inverted U-shaped guardrail; 41. Connecting block; 42. Limit groove; 43. Adjustment groove; 44. Dialing plate; 45. Plug rod; 46. Jack; 47. Adjustment block; 48. Spring; 5. Second rectangular frame; 51. Notch; 52. Connecting shaft; 6. Third rectangular frame; 61. L-shaped support frame; 62. Universal wheel; 7. I-shaped reinforcing bar; 8. Hinge. Specific embodiments

[0020] The present utility model will be further described below in conjunction with the accompanying drawings and embodiments:

[0021] Embodiment 1: A nursing chair convenient for folding and storage, see Figures 1 to 6 , including an inverted U-shaped support frame 1. The number of the inverted U-shaped support frames 1 is two. Two support blocks 14 are installed at the relative ends between the two inverted U-shaped support frames 1. A first rectangular frame 11 is rotatably connected between the two support blocks 14 on one side through a rotating shaft. One end of the first rectangular frame 11 is provided with a second rectangular frame 5. One end of the second rectangular frame 5 is provided with a third rectangular frame 6. Hinges 8 are installed on both sides of the bottom of the second rectangular frame 5. The second rectangular frame 5 is respectively hinged to the first rectangular frame 11 and the third rectangular frame 6 through the hinges 8. Seat cushions 2 are installed on the tops of the first rectangular frame 11, the second rectangular frame 5 and the third rectangular frame 6. L-shaped support frames 61 are fixedly connected to both sides of the bottom of the third rectangular frame 6;

[0022] Both the middle parts on both sides of the second rectangular frame 5 and the third rectangular frame 6 are provided with notches 51. On both sides of the inner cavity of the notches 51 on the same side, connecting shafts 52 are rotatably connected. Connecting blocks 41 are fixedly connected to the connecting shafts 52 on the same side. An inverted U-shaped guardrail 4 is installed on the connecting blocks 41 on the same side. Jack holes 46 are provided on the second rectangular frame 5 and the third rectangular frame 6 on both sides of the connecting shaft 52. A limiting groove 42 is provided at the front end of the connecting block 41. An adjusting groove 43 is provided at the bottom end of the inner cavity of the limiting groove 42. An adjusting block 47 is slidably connected in the adjusting groove 43. A spring 48 is installed between the adjusting block 47 and the inner wall of the adjusting groove 43. A plug rod 45 is installed at one end of the adjusting block 47 away from the spring 48, and the plug rod 45 penetrates through the connecting block 41 and corresponds to the jack hole 46. During operation, when the accompanying chair is unfolded for sleeping use, while compressing the spring 48 by moving the adjusting block 47, the plug rod 45 is disengaged from the jack hole 46 on one side, so that the inverted U-shaped guardrail 4 can rotate around the connecting shaft 52 and be placed vertically. Then, when the hand releases the adjusting block 47, the elastic force of the spring 48 is used to push the plug rod 45 into another jack hole 46, so as to limit the inverted U-shaped guardrail 4 on both sides of the seat cushion 2, thus preventing the quilt from falling off when the accompanying person sleeps on the accompanying chair. This not only avoids the pollution caused by the quilt falling off, but also avoids the accompanying person getting cold due to the quilt falling off when sleeping. When the accompanying chair is folded, while compressing the spring 48 by moving the adjusting block 47, the plug rod 45 is disengaged from the jack hole 46, and then the inverted U-shaped guardrail 4 is rotated 270° to be stored inside the rectangular frame, thus not affecting the folding of the accompanying chair.

[0023] Specifically, refer to Figure 3 , I-shaped reinforcing bars 7 are installed on the inner sides of the second rectangular frame 5 and the third rectangular frame 6, and the distance between both sides of the I-shaped reinforcing bar 7 is adapted to the length of the notch 51. Through the setting of the I-shaped reinforcing bar 7, the strength of the second rectangular frame 5 and the third rectangular frame 6 can be increased, and thus the overall strength of the accompanying chair can be increased.

[0024] Furthermore, refer to Figure 1 , An annular pulling belt 3 is fixedly connected to one end of the second rectangular frame 5 close to the first rectangular frame 11. Universal wheels 62 are installed at the bottoms of the two L-shaped support frames 61, and the universal wheels 62 have a braking function. Through the setting of the annular pulling belt 3, it is convenient for personnel to hold and pull the second rectangular frame 5, and cooperate with the hinge 8 and the universal wheels 62 to easily rotate and fold the first rectangular frame 11 and the second rectangular frame 5 into a seat for use.

[0025] It should be noted that, refer to Figure 1 , An anti-slip sleeve 13 is sleeved on the outer side of the bottom of the inverted U-shaped support frame 1, which is used to increase the contact friction between the inverted U-shaped support frame 1 and the support surface, and thus improve the stability of the accompanying chair during use.

[0026] It should be noted that, refer to Figure 2, a toggle plate 44 is slidably connected in the limiting groove 42, and the toggle plate 44 is fixedly connected to the adjusting block 47. Through the arrangement of the toggle plate 44, it is convenient for personnel to hold by hand, and thus it is convenient for personnel to manually adjust the inverted U-shaped guardrail 4.

[0027] It is worth introducing that, referring to Figure 1 , a headrest 12 is installed on one side of the cushion 2 on the first rectangular frame 11. When the escort chair is unfolded, the headrest 12 can be used as a pillow.

[0028] In addition, the components designed in the present utility model are all common standard components or components known to those skilled in the art. Their structures and principles can all be known by those skilled in the art through technical manuals or obtained through conventional experimental methods. Those skilled in the art can fully implement them without further elaboration. The content protected by the present utility model does not involve improvements to the internal structure and method either.

[0029] The embodiments disclosed in the present utility model are preferred embodiments, but not limited thereto. Those of ordinary skill in the art can easily understand the spirit of the present utility model according to the above embodiments and make different extensions and changes. However, as long as they do not depart from the spirit of the present utility model, they are all within the protection scope of the present utility model.

Claims

1. A nursing chair that is convenient for folding and storage, including an inverted U-shaped support frame (1), characterized in that, The number of the inverted U-shaped support frames (1) is two, and two support blocks (14) are installed at opposite ends between the two inverted U-shaped support frames (1). A first rectangular frame (11) is rotatably connected between the two support blocks (14) on one side via a rotating shaft. A second rectangular frame (5) is arranged at one end of the first rectangular frame (11), and a third rectangular frame (6) is arranged at one end of the second rectangular frame (5). Hinges (8) are installed on both sides of the bottom of the second rectangular frame (5). The second rectangular frame (5) is hingedly connected to the first rectangular frame (11) and the third rectangular frame (6) via the hinges (8). Cushions (2) are installed on the tops of the first rectangular frame (11), the second rectangular frame (5) and the third rectangular frame (6), and L-shaped support frames (61) are fixedly connected to both sides of the bottom of the third rectangular frame (6). Notches (51) are provided in the middle of both sides of the second rectangular frame (5) and the third rectangular frame (6); both sides of the inner cavity of the notch (51) on the same side are rotatably connected to connecting shafts (52); a connecting block (41) is fixedly connected to the connecting shaft (52) on the same side; an inverted U-shaped guardrail (4) is installed on the connecting block (41) on the same side; and plug holes (46) are provided on the second rectangular frame (5) and the third rectangular frame (6) on both sides of the connecting shaft (52). A limiting groove (42) is provided at the front end of the connecting block (41), an adjusting groove (43) is provided at the bottom end of the inner cavity of the limiting groove (42), an adjusting block (47) is slidably connected in the adjusting groove (43), a spring (48) is installed between the adjusting block (47) and the inner wall of the adjusting groove (43), an insert rod (45) is installed at one end of the adjusting block (47) away from the spring (48), and the insert rod (45) passes through the connecting block (41) and corresponds to the plug hole (46).

2. The portable folding and storage escort chair according to claim 1, wherein An I-shaped reinforcing rod (7) is installed on the inner sides of the second rectangular frame (5) and the third rectangular frame (6), and the distance between the two sides of the I-shaped reinforcing rod (7) is adapted to the length of the notch (51).

3. The portable folding and storage escort chair according to claim 1, wherein An annular pulling belt (3) is fixedly connected to one end of the second rectangular frame (5) close to the first rectangular frame (11), and universal wheels (62) are installed at the bottom of the two L-shaped support frames (61), and the universal wheels (62) have a braking function.

4. The folding nursing chair as claimed in claim 1, wherein, The bottom outer side of the inverted U-shaped support frame (1) is provided with an anti-slip sleeve (13).

5. The portable folding escort chair according to claim 1, wherein, A toggle plate (44) is slidably connected in the limiting groove (42), and the toggle plate (44) is fixedly connected to the adjustment block (47).

6. The folding nursing chair as claimed in claim 1, wherein A headrest (12) is installed on one side of the seat cushion (2) on the first rectangular frame (11).

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