KR102540144B1 - The bath chair with easy-to-adjust backrest angle - Google Patents

Abstract

The present invention relates to a bath chair whose backrest angle can be easily adjusted, and relates to a seat, a leg formed of a front leg and a rear leg and installed at a lower end of the seat, a back support provided at the rear of the seat, and the back support. A backrest supported by and a pair of angle adjusters, one end of which is connected to the leg and the backrest support, and accommodates and guides a guide bar to adjust the angle of the backrest, wherein the angle adjusters A leg connecting part having a first aligning part and a leg connecting frame, a backrest connecting part having a second aligning part aligned with the first aligning part and a backrest connecting frame, and the first aligning part and the second aligning part. The first aligning part and the second aligning part are fixed to each other by mutual accommodating coupling with the second aligning unit, and the mutual coupling between the first aligning unit and the second aligning unit is released by releasing the accommodating coupling with the second aligning unit. Includes a fixed gear portion having a fixed gear and an operating frame that accommodates the guide bar slidably inside in a state coupled to one end of the fixed gear and accommodates and releases the second alignment portion of the fixed gear do.

Description

The bath chair with easy-to-adjust backrest angle}

The present invention relates to a bath chair with an easily adjustable backrest angle, and more particularly, to a bath chair with an easily adjustable backrest angle, in which the angle of the backrest can be easily adjusted through a simple operation of an angle adjusting unit.

In general, in order to bathe the disabled or the elderly, a bath chair in the form of a chair that can be wet has been used. As one of the prior art related to such a bath chair, there is a "folding bath chair" of Korean Patent Registration No. 10-1767170 invented by one of the present inventors.

In the prior art, as shown in FIGS. 1 to 3 of the Registered Patent Publication, the angle of the backrest portion can be adjusted by employing the angle adjusting portion 50, and the upper portion of the front leg portion 21 and the backrest support portion 30 The lower part is inserted and connected, and a plurality of angle adjusting holes 51 formed in a fan-shaped arc shape are formed so that the angle adjusting protrusion 33 provided on the backrest support 30 is attached to one of the angle adjusting holes 51. It is to adjust the tilt angle of the back support part 30 by allowing it to protrude.

However, the foldable bath chair contracts and separates the angle adjusting protrusion 33 from the angle adjusting hole 51 using a person's hand, a tool with a pointed end, or a string, etc. 33) into the changed angle adjustment hole 51 so that it protrudes, it is not easy for the elderly as well as the general public such as guardians to use it, and there is a risk of injury to the body such as the hand. there was

KR 10-1767170 B1

Therefore, the problem to be solved by the present invention is to solve the above problems to provide a bath chair that is easy to adjust the angle of the backrest that can be used by safely and easily changing the angle of the backrest of the bath chair not only to the general public such as guardians, but also to the elderly and patients. is to do

In order to solve the above problem, the bath chair with easy backrest angle adjustment according to the present invention includes a seat, a front leg, and a rear leg, and includes a leg installed at the lower end of the seat, and a backrest support installed at the rear of the seat. , a backrest supported by the backrest support, and a pair of angle adjusters each having one end connected to the leg and the backrest support and accommodating and guiding a guide bar to adjust the angle of the backrest, The angle adjuster includes a leg connecting part having a first aligning part and a leg connecting frame, a backrest connecting part having a second aligning part aligned with the first aligning part and a backrest connecting frame, and the first aligning part and The first aligning part and the second arranging part are fixed to each other by mutual acceptance and engagement with the second aligning part, and the first aligning part and the second aligning part are mutually fixed by receiving and releasing the second aligning part. Having a fixed gear for disengaging and an operating frame for accommodating and disengaging the second alignment unit of the fixed gear by accommodating the guide bar so as to slide therein while being coupled to one end of the fixed gear It includes a fixed gear part.

The first aligning part has a second aligning part accommodating groove opened at one end, an angle changing groove formed on a part of the side wall, and the other end protruding into the inner part at a predetermined distance from the side wall, and a plurality of first saw blade parts. A receiving groove includes a first saw blade coupling member formed toward an inner diameter at a predetermined interval, and the second aligning unit accommodates the first saw blade coupling member through the second aligning unit receiving groove. It is accommodated and coupled in the first aligning part, has a first saw blade coupling member accommodating groove opened at one end, and a plurality of second saw blade portions provided with shapes and sizes corresponding to the first saw blade accommodating groove at the other end. It may include a second saw blade coupling member in which receiving grooves are formed toward the inner diameter at predetermined intervals.

The fixed gear includes a gear frame and a saw blade member composed of a plurality of saw blade parts protruding at predetermined intervals toward an outer diameter at one end of the gear frame, and the saw blade unit includes the first saw blade receiving groove and the second saw blade member. It is accommodated and coupled to the saw blade receiving groove, respectively, or can be accommodated and released from the second saw blade receiving groove.

The bath chair, which is easy to adjust the angle of the backrest according to the present invention for solving the above problems, may further include a cover having an inner cover having a fixed gear passage hole formed therein, and an outer cover interlockingly coupled with the inner cover, , The fixed gear has one end supported by the saw blade member and the other end supported by the inner cover of the gear, and may further include an elastic member.

As described above, according to the bath chair with easy adjustment of the angle of the backrest according to the present invention, the angle of the backrest portion can be easily adjusted by the easy operation of the angle adjusting portion, so that not only the general public such as guardians but also the elderly or patients can easily use it by themselves. It works.

1 is a perspective view of a bath chair for which the angle of the backrest is easily adjustable according to the present invention;
2 is an enlarged view of an angle adjusting unit, which is a part of a bath chair for easy backrest angle adjustment according to the present invention shown in 'A' region of FIG. 1;
Figure 3 is a perspective view of the opening of the cover of the angle adjuster shown in Figure 2;
4 and 5 are an exploded perspective view and an exploded front view of the angle adjuster shown in FIG. 2, respectively;
6 is a state diagram for explaining a method of fixing the fixed gear unit with the leg connection unit and the backrest connection unit;
7 is a perspective view of a leg connecting part, which is a part of an angle adjusting part;
8 is a perspective view of the backrest connecting part, which is another part of the angle adjusting part;
9 is a perspective view of a fixed gear of a fixed gear part, which is another part of the angle adjusting part;
10 is an exploded perspective view of an angle adjusting unit showing an elastic member that is a part of a fixed gear interposed between a fixed gear unit and an inner cover;
11 is a state diagram showing a state in which the fixed gear unit is coupled to and fixed to the leg connection unit and the backrest connection unit, and
12 is a state diagram illustrating a state in which the coupling of the fixed gear unit with the backrest connection unit is released and the angle adjustment of the backrest connection unit and the leg connection unit is possible.

Specific details relating to embodiments of the present invention are included in the detailed description and drawings.

Advantages and features of the present invention, and methods of achieving them, will become clear with reference to the detailed description of the following embodiments taken in conjunction with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but will be implemented in various different forms, only these embodiments make the disclosure of the present invention complete, and common knowledge in the art to which the present invention belongs. It is provided to fully inform the holder of the scope of the invention, and the present invention is only defined by the scope of the claims.

Like reference numbers designate like elements throughout the specification. The embodiments described in this specification will be described with reference to an ideal exploded perspective view and a state perspective view of the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a bath chair for which an angle of a backrest is easily adjustable according to the present invention will be described in detail with reference to the accompanying drawings.

First, with reference to drawings 1 to 10, a bath chair for which the angle of the backrest can be easily adjusted according to the present invention will be described in detail.

1 is a perspective view of a bath chair for which the angle of the backrest is easily adjustable according to the present invention, and FIG. 2 is an enlarged view of an angle adjusting unit, which is a part of the bath chair for which the angle of the backrest is easily adjusted according to the present invention shown in area 'A' in FIG. 3 is an open perspective view of the cover of the angle adjusting unit shown in FIG. 2, FIGS. 4 and 5 are an exploded perspective view and an exploded front view of the angle adjusting unit shown in FIG. 2, respectively. A state diagram for explaining the fixing method with the backrest connection part, Figure 7 is a perspective view of the leg connection part, which is one part of the angle adjusting part, Figure 8 is a perspective view of the backrest connection part, which is another part of the angle adjusting part, Figure 9 is another part of the angle adjusting part. A perspective view of a fixed gear of the female fixed gear unit, and FIG. 10 is an exploded perspective view of an angle adjusting unit showing an elastic member that is an integral part of the fixed gear interposed between the fixed gear unit and the inner cover.

As shown in FIGS. 1 to 10, the bath chair, which is easy to adjust the angle of the backrest according to the present invention, includes a seat part 10, a leg part 20, a backrest support part 30, a backrest part 31, and an armrest part. (40), an angle adjusting unit (50) and a guide bar (60).

The seat portion 10 is formed in a horseshoe shape, and is installed horizontally so that the open portion goes forward. The open portion allows the user to drain water well when taking a bath.

A pair of left and right leg portions 20 are formed of a front leg portion 21 and a rear leg portion 22, respectively. A rubber cap 24 is installed at the lower end of the leg part 20 . Due to the rubber cap 24, the leg part 10 is in close contact with the ground and slipping is prevented. A height adjusting unit (not shown) is additionally installed in the leg unit 20 to adjust the height of the leg unit 20 as needed.

The backrest support part 30 is formed as a '∩' shaped frame, and both ends of the frame are connected to a pair of legs 20 at the rear of the seat part 10 at one end of a pair of angles to be described later. It is connected to the other end of the control unit 50.

The backrest part 31 is installed on the inner upper part of the backrest support part 30 . The back portion 31 is provided with a handle hole 32 inside. The backrest part 31 can be easily lifted using the handle hole 32 .

As shown in FIG. 1, the armrest portion 40 is formed of a horizontal frame 41 on which arms are mounted and a vertical frame 42 connected to one end of the horizontal frame 41, and the horizontal frame 41 and The vertical frame 42 is rotatably coupled. In this embodiment, the vertical frame 42 is integrally formed as a frame corresponding to both ends of the backrest support part 30 described above, but unlike this embodiment, it may be provided separately.

In order to easily adjust the angle of the backrest portion 31 by changing the angle of the backrest support portion 30 through a simple operation, the angle adjusting portion 50 is positioned at corresponding positions on both sides of the back of the seat portion 100 to each other. A pair is provided to face each other. The angle adjuster 50 has one end coupled to the upper part of the front leg part 21 of the pair of leg parts 20, and the other end coupled to the lower frame of the backrest support part 30, respectively, and each other. The other end facing each other accommodates and couples the guide bar 60 inserted in the middle.

To this end, the angle adjustment unit 50 includes a leg connection unit 100, a backrest connection unit 200, a fixed gear unit 300, and a cover unit 400.

The leg connection unit 100 includes a first alignment unit 110 and a leg connection frame 120 .

The first alignment unit 110 accommodates and aligns one end of the backrest connection unit 200 and one end of the fixed gear unit 300, respectively. The first aligning unit 110 has a cylindrical shape and has a second aligning unit accommodating groove 111 opened at one end, and has a rotational angle of the backrest connection frame 220 accommodated in a part of the side wall. An angle change groove 112 is formed to enable change, and the other end protrudes into a part of the inside at a predetermined distance from the side wall, and a plurality of first saw blade receiving grooves 114 are formed toward the inner diameter at predetermined intervals. A first saw blade part coupling member 113 is provided.

One end of the leg connecting frame 120 is connected to the first aligning part 110, and the other end has a leg coupling groove 122 formed therein, so that the front leg 21 is accommodated, and the coupling hole 125 ) is mutually coupled with the front leg portion 21 by coupling a known predetermined coupling member (not shown) such as a bolt or nut. In this embodiment, although the leg coupling groove 122 accommodates and couples the front leg portion 21, it can be changed to accommodate and couple the rear leg portion 22, of course. In addition, the leg connection frame 120 may be changed to be accommodated and coupled in a state inserted into the front leg portion 21 .

As shown in FIG. 8 , the backrest connection unit 200 includes a second alignment unit 210 and a backrest connection frame 220 .

The second aligning part 210 is accommodated and coupled into the first aligning part 110 in a state where the first saw blade coupling member 113 is accommodated through the second aligning part accommodating groove 111 . The first alignment unit 110 has a cylindrical shape, has a first saw blade coupling member receiving groove 212 opened at one end, and protrudes from the side wall in the inner diameter direction at the other end, and the first saw blade. A second saw blade coupling member 213 is provided in which a plurality of second saw blade receiving grooves 214 formed in a shape and size corresponding to the portion receiving groove 114 are formed toward the inner diameter at predetermined intervals.

In the backrest connection frame 220, one end of the body part 222 is connected to the second alignment part 210, and the other end of the body part 222 is connected to the backrest support part insertion bar 223 and the backrest support part accommodating groove 224. ) is formed to accommodate the vertical frame 42, which is the lower frame of the back support 30, by coupling a predetermined coupling member (not shown) such as a bolt or nut to the coupling hole 225 to accommodate the back support 30 ) and are interconnected. Unlike the present embodiment, the backrest connecting frame 220 may be changed to be accommodated and coupled in a state inserted into the vertical frame 42 .

The fixed gear unit 300 includes a fixed gear 310 and a control frame 320 accommodating a guide bar 60 so as to slide therein while being coupled to one end of the fixed gear 310 .

The fixed gear 310 includes a thin cylindrical gear frame 311 and a saw blade member 313 consisting of a plurality of saw blade parts protruding at predetermined intervals toward an outer diameter at one end of the gear frame 311. The saw blade portion 314 of the saw blade member 313 is provided in a shape and size that can be accommodated and coupled to the first saw blade portion accommodating groove 114 and the second saw blade portion accommodating groove 214, respectively, in this embodiment. A total of 13 saw blade parts 314 are provided, and an angle between adjacent saw blade parts 314 is provided at about 27.7 degrees.

The operation frame 320 is a part of the gear frame 311 by using a known predetermined coupling member (not shown) such as a bolt nut to the coupling hole 325 in a state where one end of the gear frame 311 is received inside. It includes a gear frame coupling bar 321 and a gripping portion 327 formed at the other end of the coupling bar 321 of the gear frame. As shown in FIG. 1, a pair of gripping parts 327 are disposed adjacent to the guide bar 60 positioned in the middle, and are provided to reduce the distance between each other using the thumb and forefinger with one hand.

On the other hand, as shown in FIG. 10, an elastic member 330 composed of a coil spring is located on a portion of the circumference of the fixed gear 310, one end of which is supported by a saw blade member 313 and the other end of which is a cover portion 400 to be described later. ) is supported on the inner cover 410. Therefore, when the distance between the gripping parts 327 is reduced using the thumb and forefinger, that is, when the fixed gear 310 moves in the direction of the guide bar 60, the position of the guide bar 60 on the fixed gear 310 It provides elastic restoring force in the opposite direction.

The cover part 400 rotates for changing the angle of the backrest connection part 200 with respect to the inner cover 410 and the leg part connection part 100 in which the fixed gear passage hole 412 is formed, and the rotation and rotation of the fixed gear 310 It consists of an outer cover 420 engaged with the inner cover 410 so as not to interfere with linear reciprocating movement.

Hereinafter, a method of coupling mutual components of the angle adjuster 50 of a bath chair, which can easily adjust the angle of the backrest according to the present invention, will be described with reference to FIGS. 1 to 6. As shown in FIG.

First, the first saw blade coupling member 113 is inserted into the first saw blade coupling member accommodating portion 212 of the second alignment portion 210 through the second alignment portion accommodating groove 111 of the leg connecting portion 100. The backrest connection part 200 is accommodated and coupled to be accommodated. At this time, the backrest connection part 200 allows the body part 222 to rotate within the angle change groove 112, and in this embodiment, the rotation angle is about 27.7 degrees. When the body part 222 is caught on one end of the angle change groove 112 through rotation in the angle change groove 112, the first aligning part 110 and the second aligning part 210 form the first saw blade receiving groove. (114) and the second saw blade receiving groove 214 are easily aligned so that they pass through each other in a straight line.

Then, after passing the fixed gear 310 to which the elastic member 330 is coupled, from the inside of the inner cover 410 to the outside so that one end of the elastic member 330 is supported on the inner portion of the inner cover 410 and then operated. After combining with the frame 320, the guide bar 60 is accommodated at one end. Then, the saw blade 314 of the saw blade member 313 of the fixed gear 310 is accommodated in the first saw blade receiving groove 114 and the second saw blade receiving groove 214, respectively, and then the inner cover 410 and When the outer cover 420 is coupled to each other, assembly between the mutual components of the angle adjuster 50 is completed.

Hereinafter, a method for adjusting the angle of a bath chair in which the angle of the backrest is easily adjustable according to the present invention will be described with reference to FIGS. 11 and 12 in addition to the previous drawings.

11 is a state diagram showing a state in which the fixed gear unit is engaged with the leg connection unit and the backrest connection unit and is fixed, and FIG. 12 is a state diagram showing a state in which the fixed gear unit is disconnected from the backrest connection unit to adjust the angle of the backrest connection unit and the leg connection unit. It is a state diagram showing this possible state.

First, as shown in FIG. 11, in the bath chair for which the angle of the backrest is easily adjustable according to the present invention, the fixed gear unit 300 is normally fixed at a specific angle by being combined with the leg connection unit 100 and the backrest connection unit 200, respectively. be in a state of being That is, the first saw blade receiving groove of the first saw blade coupling member 113 so that the end of the saw blade 314 of the saw blade member 313 of the fixed gear 310 is at the 'B1' position as shown in FIG. 114 and the second saw blade coupling member 213 are accommodated in the second saw blade accommodating groove 214, so that the bath chair is kept fixed at a specific angle.

Then, if you want to change the angle so that the fixed state of the bath chair is slightly more straight in the vertical direction or lying more horizontally, use the thumb and forefinger of one hand to hold the pair of facing gripping parts of the fixed gear unit 300 When the 327 is mutually pulled, the fixed gear 310 moves mutually contracted in the horizontal direction so that the end of the saw blade 314 of the saw blade member 313 of the fixed gear 310 is at the 'B2' position as shown in FIG. As it moves to the first saw blade portion accommodating groove 114 of the first saw blade portion coupling member 113, there is no change, but in the second saw blade portion accommodating groove 214 of the second saw blade portion coupling member 213 As a result, the fixation between the leg connection part 100 and the backrest connection part 200 is released. Then, hold the backrest 31 or the backrest support part 30 with the other hand, rotate the backrest connection part 200 to change the angle, and release the gripping state of the gripping part 327. The restoring force of the elastic member 330 As a result, the state of FIG. 11 is returned, and the fixed state of the bath chair is maintained at the changed angle.

In this embodiment, the change angle of the bath chair is limited to about 27.7 degrees in the first step, because if the change angle is excessive, the center of gravity of the elderly or the patient may lean backward and fall along with the bath chair. However, it goes without saying that the changing angle of the bath chair can be modified in multiple steps and limited angles as needed.

As described above, according to the bath chair for which the angle of the backrest can be easily adjusted according to the present invention, by using the angle adjusting unit 50, not only ordinary people such as guardians, but also the elderly and patients can adjust the backrest part 31 of the bath chair by themselves. There is an advantageous effect of using the bath chair by changing the angle safely and easily.

Although the preferred embodiments of the present invention have been described in detail above, the scope of the present invention is not limited thereto, and various modifications and improvements of those skilled in the art using the basic concept of the present invention defined in the following claims are also made according to the present invention. falls within the scope of the rights of

10: seat part 20: leg part
21: front leg 22: rear leg
24: rubber cap
30: back support 31: back support
32: handle hole 40: armrest
41: horizontal frame 42: vertical frame
50: angle adjusting unit 60: guide bar
100: leg connection part 110: first alignment part
111: second alignment unit accommodating groove 112: angle changing groove
113: first saw blade coupling member 114: first saw blade receiving groove
120: leg connection frame 122: leg coupling groove
125, 225, 325: coupling hole
200: backrest connection part 210: second alignment part
212: first saw blade coupling member accommodating portion 213: second saw blade coupling member
214: second saw blade receiving groove 220: backrest connecting frame
222: body part
223: back support insertion bar 224: back support receiving groove
300: fixed gear unit 310: fixed gear
311: gear frame 313: saw blade member
314: saw blade part 320: operation frame
321: gear frame coupling bar 327: gripping part
330: elastic member
400: cover part 410: inner cover
412: fixed gear through hole 420: outer cover

Claims (4)

seat part,
A leg portion formed of a front leg portion and a rear leg portion and installed at the lower end of the seat portion;
A back support portion installed at the rear of the seat portion;
A backrest supported by the backrest support, and
A pair of angle adjusters having one end connected to the leg part and the backrest support part, respectively, and accommodating and guiding a guide bar to adjust the angle of the backrest part.
Including,
The angle adjuster
A leg connecting portion having a first alignment portion and a leg connecting frame;
A backrest connecting part having a second aligning part aligned with the first aligning part and a backrest connecting frame, and
The first aligning part and the second aligning part are fixed to each other by mutually receiving and engaging the first aligning part and the second aligning part, and the first aligning part and the second aligning part are released by receiving and disengaging from the second aligning part. A fixed gear for releasing mutual coupling between the second alignment parts and the guide bar slidably accommodated inside in a state of being coupled to one end of the fixed gear, so that the fixed gear is accommodated and engaged with the second alignment unit. Fixed gear unit with operating frame to release
containing
A bath chair with an adjustable backrest angle. In paragraph 1,
The first alignment part
A second alignment unit accommodating groove opened at one end is formed,
An angle change groove is formed on a part of the side wall,
At the other end, the first saw blade coupling member protrudes into a part of the interior at a predetermined interval from the side wall and has a plurality of first saw blade receiving grooves formed toward the inner diameter at predetermined intervals.
Including,
The second alignment unit
Accommodating and coupled to the first aligning unit in a state in which the first saw blade coupling member is received through the second aligning unit accommodating groove;
A first saw blade coupling member accommodating groove opened at one end is formed,
At the other end, a second saw blade coupling member having a plurality of second saw blade accommodating grooves provided in a shape and size corresponding to the first saw blade accommodating groove and formed toward the inner diameter at predetermined intervals.
containing
A bath chair with an adjustable backrest angle. In paragraph 2,
the fixed gear
gear frame, and
A saw blade member composed of a plurality of protruding saw blade parts at predetermined intervals toward the outer diameter at one end of the gear frame.
Including,
The saw blade can be accommodated and coupled to the first saw blade receiving groove and the second saw blade receiving groove, respectively, or accommodated and released from the second saw blade receiving groove.
A bath chair with an adjustable backrest angle. In paragraph 3,
An inner cover in which a fixed gear through hole is formed, and
Having an outer cover engaged with the inner cover
cover
Including more,
the fixed gear
One end is supported by the saw blade member and the other end is supported by the elastic member on the inner cover.
further comprising
A bath chair with an adjustable backrest angle.

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