JPH0436685Y2 - - Google Patents

Description

[Detailed description of the invention] (Field of industrial application) This invention is based on a backrest in which the clamping rods protruding from the left and right sides of the base are formed to be openable and closable, and there is no wainscot part inside the rods. This relates to a backrest that forms a space.

(Prior art) In order to make the body comfortable when sitting, conventional backrests have a back support plate fixed on a base, and the seat plate and base are fixed in an L shape, so that the left and right side Currently, an armrest is fixed to the seat plate, and a cushion is placed directly or indirectly on the seat plate to sit down. Some of the members used in this case are made of metal or wood.

(Problem that the invention seeks to solve) However, with such conventional backrests, it is difficult for caregivers of people with physical disabilities, such as cripples, bedridden patients, and the elderly, to simply lift their upper bodies. It is hard work and quite painful, and even if one were to lift the upper body and place the lower back on the wainscot, there was a problem in that the next time the person had to pull up from the wainscot to take it out, the body weight would be considerable and it would not be possible to remove it easily.

(Means for solving the problem) This invention was made by focusing on the problems of the conventional method, and it is a method in which the tips of the clamping rods are opened from the left and right sides of the base and protrude forward. There is no waist plate in the space between the clamping rods, and the tips of the clamping rods are simply opened to the left and right, so while the waist is being held in this space, the ends surrounded by the left and right clamping rods are placed between the thighs. The purpose is to solve the above-mentioned problems by inserting the device at the bottom and allowing the back to rest against the back support plate.

This invention will be explained in detail below with reference to the drawings.

1 to 3 are diagrams showing the basic concept of this invention. Reference numeral 1 denotes a base, which may have any shape, but may be made of metal, synthetic resin, or wood. Reference numeral 2 denotes a support rod, and the rod 2 is attached to a cross-sectional metal plate 12 fixed to the left and right side edges of the base 1.
Pivotally connect the lower end of the. Two racks 13 are fixed to the grooves of the metal plate 12, and the racks 13 are fixed to the grooves of the metal plate 12.
A movable rack is interposed between the rack 13 and the lower end of the locking pawl 14 on the rack 13 in relation to the inclination angle of the support rod 2 so that the rack 13 can be locked at any position. The locking claw 14
A spring is wound around the shaft attachment portion of the support rod 2.
Reference numeral 3 denotes a back support plate, which is fixedly supported at the upper ends of both support rods 2. Reference numeral 4 denotes an opening, which opens at the left and right side corners of the base 1. Reference numeral 5 denotes a support shaft, which pivotally supports the left and right support rods 7, 7' inserted into the base from the opening 4 at the mouth ends of the openings 4, 4;
The pivot support is used as a fulcrum, and the support rods 7, 7'
grooves 8 and 8' are provided at the base end of the grooves 8 and 8', and the grooves 8 and 8' are overlapped from the left and right sides, and a pin 9 is inserted into the grooves 8 and 8' for pivotal connection. The pin 9 of the base 1
The proximal end portions of the clamping rods 7, 7' are moved back and forth by fitting into and sliding into the sliding grooves 10 provided inside the clamping rods 7, 7' to open and close the tip portions of the rods 7, 7'. 1
Reference numeral 1 denotes a bulge, which is optionally formed at the tip of the clamping rod 7, 7'.

Next, the effect will be explained.

It is intended to be applied to people with physical disabilities, and the tip of the right and left armrests 7, 7' are spread appropriately with the hands, the upper body is lifted up, and the waist is inserted from behind into the space 6. Then, as shown in FIG. 5, the back rests against the back support plate 3 and in a stable position, the locking claws 14 of the support rods 2 lock against the rack 13 according to the angle of inclination, and both rods 7, 7'
Insert the tip of the tube into the underside of your thigh. Then,
Although the weight of the upper body is applied to the back support plate 3, the bulging portions 11 of the clamping rods 7, 7' are pressed down against the thighs or the bases of the thighs, and the position of the base 1 is stable without retreating.

Next, when removing the patient's back support, support the patient's upper body with your hands, and then pull out the ends of the clamping rods 7, 7' from the left and right from the thighs, and the clamping rods 7, 7' will spread out to the left and right. From there, the back support plate and base 1 can be taken out from behind, and the patient can lie in that position.

Embodiment FIG. 4 is a block diagram showing an embodiment of this invention.

In FIG. 4, reference numeral 15 denotes a back support plate, which is attached to the upper ends of the left and right support rods 16, 16, and its lower end is fixed to the base plate 17. Reference numeral 18 denotes a clamping rod. Grooves 21 and 22 are provided in bent portions A where the rear ends of the left and right clamping rods 18 and 18 are bent inward, so that they overlap each other from the left and right sides, and the tips thereof are directed inward. It twists and turns.
Reference numeral 19 denotes a pivoting portion, in which both ends of the substrate 17 are placed on the upper surfaces of the clamping rods 18, 18, and are pivoted 19, and are opened and closed using the pivoting portion 19 as a fulcrum. Reference numeral 20 indicates grooves on the substrate, and grooves 21 and 22 at the bent portion A.
and the grooves 20 are superposed to form each groove 20, 2.
1 and 22 are connected by a pin 23. Reference numeral 24 is a space formed between the clamping rods 18 and 18, and there is no platform on which to sit.

Next, the effect will be explained.

First, open the ends of the left and right armrests 18, 18.
Bent parts A and A at the rear ends of the rods 18 and 18 are pins 23
At the same time, the tip portions open as they mutually slide inward around the center. Next, after lifting the patient's upper body lying on the bed with his hands and making him stand up, he inserts the open ends of the clamping rods 18, 18 from behind the body and holds the patient's lower back.
When the tips RO and RO are inserted by the nurse's hands into the lower part of the thigh or the base of the thigh, the tips RO and RO are fixed by the downward pressure of the thigh. Then, he slowly leans his upper body against the back support plate 15.

Next, when removing the backrest, the patient's upper body should be supported by the patient's hands while the patient pulls out the backrest, and then the patient's upper body is laid down on the bed, and the operation of the backrest is completed.

Further, FIG. 6 has the same function as the conventional embodiment shown in FIGS. 1 to 4, in which a sliding groove 10 is provided in the center of the base 1, and the sliding groove 10 is provided on the left and right sides with the groove 10 as the center. The bases of the clamping rods 7, 7' are pivotally supported, the outer ends of the respective connecting rods 25, 25' are pivotally connected to the bases of the clamping rods 7, 7', and the inner ends are overlapped. A shaft support 9 is provided so that both ends can slide in a sliding groove 10.
It is configured to move back and forth by inserting the shaft and widening or narrowing the clamping rods 7, 7'.

FIG. 7 shows a clamping rod 7 in the sliding groove 10 of the base 1.
7' is inserted, and the outer ends of the connecting rods 25, 25' are pivotally connected to the rods 7, 7' between the clamping rods 7, 7', and the inner ends thereof are overlapped to form a Insert the shaft of the shaft support 26 into the sliding groove 10,
In connection with widening or narrowing the clamping rods 7, 7', both shaft supports 9 and 26 are configured to slide apart or away from each other within the groove 10.

FIG. 8 shows that the base ends of the clamping rods 7, 7' are crossed on the sliding groove 10 of the base 1, and the ends are pivotally connected to the base 1, and the base ends of the clamping rods 7, 7' are Grooves 8 and 8' are provided in a part of the end, and a pin 9 is inserted into the grooves 8 and 8', and the pin 9 moves back and forth in relation to the widening and narrowing movement of the clamping rods 7 and 7' within the sliding groove 10 and the grooves 8 and 8'. It is configured to work.

FIG. 9 shows a sliding groove 10 provided in the center of the base 1.
A shaft support 9 in which the bases of the clamping rods 7, 7' are overlapped is inserted, grooves 8, 8' are provided in a part of the base ends of the rods 7, 7', and pins 27, 27' are inserted into the grooves. 27' is inserted and attached to the base 1, and the sliding groove 10 and the grooves 8, 8' are reciprocated by expanding or narrowing the clamping rods 7, 7'. It is configured like this.

(Effects of the invention) As mentioned above, this invention is structured so that the tips of the left and right gripping rods can be opened and closed around the base of the backrest, so the user can attach and detach them while sitting on the floor. It is extremely easy to use, and can be easily used as a backrest without the heavy labor required in the past.

[Brief explanation of drawings]

Figure 1 is a perspective view of the backrest of the present invention, viewed from the front.
Figure 2 is a cross-sectional view of the base of the invention, Figure 3 is a partially cutaway side view of the backrest of the invention, Figure 4 is a perspective view showing an embodiment of the product of the invention, and Figure 5 is the state of use of the product of the invention. 6 to 9 are diagrams showing various mechanisms for expanding or narrowing the clamping rod to which the present invention is applied. 1...Base, 2...Support rod, 3...Back plate, 4
... opening, 6 ... space, 7, 7' ... clamping rod,
8, 8'... groove, 9... pin, 10... sliding groove,
11...bulge.

Claims (1)

[Claims for Utility Model Registration] 1. In a back support stand configured such that the inclination angle of a support rod 2 having a back support plate attached to the base stand 1 can be adjusted, openings are formed in the left and right sides of the base stand 1. Part 4
A space 6 without a wainscot is formed between left and right clamping rods 7 and 7' which are pivotally supported at the mouth ends of the clamping rods 7 and 7' and protrude from the front. , 8', a pin 9 is inserted into the backrest, and the backrest is configured to be able to slide in a sliding groove 10 in conjunction with opening and closing of the clamping rods 7, 7'. 2. There are bulges 11 at the tips of the left and right clamping rods 7, 7'.
11.