JP6499819B2 - Back pain prevention device - Google Patents

Description

  The present invention relates to a lumbago prevention device used by being placed on a seat or chair having a seat portion and a back portion.

  Conventionally, as a back pain treatment chair that treats back pain, a pair of armrests that can be adjusted up and down and can be opened and closed left and right, a waist rest that is attached to this armrest via a joint, and the waist rest is the lower part of the patient's rib There is known a device provided with a tightening device that is fastened and fixed in the vicinity and an adjustment cylinder that adjusts the height of the seat (see Patent Document 1). This back pain treatment chair supports a patient with a back support, lowers the seat, floats in the air, and forces the spine straightly by its own weight.

JP-A-11-212257

  However, the conventional low back pain treatment chair cannot be carried anywhere, for example, when sitting on a seat and driving a vehicle for a long time or sitting on a chair and working for a long time, resulting in low back pain. You must go to the facility or place where the treatment chair is located. During that time, there is a problem that you have to endure back pain. For this reason, to prevent back pain in advance when driving the vehicle for a long time or sitting on a chair for a long time, avoid long driving and work, take rest and exercise to prevent back pain. There is a problem that work efficiency is poor.

  The present invention has been made to solve the above-mentioned problems, and can be carried anywhere with a simple structure, prevents the occurrence of low back pain, sits on a chair for a long time, or performs a long time. The object is to provide a low back pain prevention device that does not easily cause low back pain when driving.

The lower back pain prevention device according to claim 1 of the present invention is a lower back pain prevention device used by being placed on a seat or chair having a seat portion and a back portion, and the seat side portion placed on the seat portion and the seat. A side part and a back side part that is connected to the back part through the swing part and slidably displaces the seat side part and the back side part, and the seat side part and the back side part was formed into a flat plate-like rigid, have a friction material for slip relative to the seat of the seat or chair and characterized in that affixed to the back surface of the seat side.

The lower back pain prevention device according to claim 1 of the present invention is a lower back pain prevention device that is used by being placed on a seat or chair having a seat portion and a back portion, and the seat side portion placed on the seat portion and the seat. A side part and a back side part that is connected to the back part through the swing part and slidably displaces the seat side part and the back side part, and the seat side part and the back side part was formed into a flat plate-like rigid, since the friction material to slip relative to the seat base or chair was stuck to the back surface of the seat side, until the seat or chair plan to use the back pain preventer Carry, place the seat side on this seat or the seat of the chair, place the back side against the back, and when the user sits on the seat side, the user sits on the seat side where the buttocks are hard Sit down and sit down with your back hitting the hard back. For this reason, a user's buttocks always hits a hard seat side, and the back also does not sink by hitting the hard back side supported by the back. Therefore, the person sits with his / her spine upright physiologically, the burden on the lower back is reduced, and lower back pain is less likely to occur.

  The lower back pain prevention device according to claim 2 of the present invention is characterized in that the seat side portion and the back side portion are formed of separate plates, and the seat side plate and the back side plate are connected by an opening / closing means. Yes.

According to a fourth aspect of the present invention, there is provided a low back pain prevention device comprising a bag body that covers and wraps at least one of a seat side portion and a back side portion.

A back pain prevention device according to the present invention is a back pain prevention device used by being placed on a seat or chair having a seat portion and a back portion, the seat side portion placed on the seat portion, and the seat side portion and the swinging portion. A back side portion that is connected via a moving portion and is applied to the back portion.The seat side portion and the back side portion are slidably displaced, and the seat side portion and the back side portion are rigidly flattened. It is easy to carry to the seat or chair that the user wants to use by sticking a friction material on the back of the seat side to make it difficult to slip against the seat of the seat or chair. In addition, because it can sit naturally with the spine straight, it has the effect of preventing back pain and making back pain less likely.

FIG. 1 is a perspective view showing a lumbago prevention device according to a first embodiment of the present invention. Example 1 FIG. 2 is a plan view showing a state in which the lumbago prevention device according to the first embodiment is opened. FIG. 3 is a cross-sectional view taken along the line III-III in FIG. 2 and is a cross-sectional view showing a state in which the back pain prevention device according to the first embodiment is folded. 4A and 4B are a perspective view of a vehicle seat using the lumbago prevention device according to the first embodiment and a partially cutaway perspective view of the seat, respectively. FIG. 5 is a use state explanatory diagram showing a state in which the back pain prevention device according to the first embodiment is placed on a vehicle seat and used. FIG. 6 is a fragmentary sectional view showing a modification of the plate of the lower back pain prevention device according to the first embodiment. FIG. 7 is an explanatory view showing a low back pain prevention device according to the second embodiment of the present invention. (Example 2) FIGS. 8A and 8B are explanatory views showing modifications of the lumbago prevention device according to the first and second embodiments, respectively.

  A back pain prevention device that can be easily carried and used to be placed on a seat or chair having a seat and a back for the purpose of preventing back pain and preventing back pain. A seat-side plate placed on the seat, a back-side plate applied to the back, and a hinge that connects the two plates and swings the plates open and close, and these plates are made of a hard material. Realized by.

  Hereinafter, the present invention will be described with reference to embodiments shown in the drawings. FIG. 1 is a perspective view showing a lumbago prevention device according to a first embodiment of the present invention. As shown in FIG. 1, the back pain prevention device 2 according to the present embodiment connects a seat side plate (seat side portion) 3, a back side plate (back side portion) 4, and both the plates 3, 4 to each other. And a hinge (opening / closing means) 5 that opens and closes 4 in a swingable manner. The hinge 5 functions as a swinging part that swings both the plates 3 and 4. Each of the seat side plate 3 and the back side plate 4 is made of a hard wooden plate material formed in a rectangular shape. The longitudinal outer ends 3A, 3B of the seat side plate 3 and the longitudinal outer ends 4A, 4B of the back plate are each formed in an arc shape. The seat side plate 3 is placed on the seat portion 7 of the seat (or chair) 6 (see FIGS. 4A and 4B), and the back side plate 4 is applied to the back portion 8 of the seat (or chair) 6. It has become.

  As for the dimensions of the seat side plate 3, the left and right width dimension W1 is 30 cm, the depth length dimension L1 is 40 to 45 cm, the left and right width dimension W2 of the back side plate 4 is 30 cm, and the upper and lower height dimension L2 is 45 to 50 cm. It is preferable. The thickness of each plate is preferably 3 to 10 mm. Needless to say, these dimensions may be appropriately changed according to the dimensions of the seats of vehicles sold in the country. That is, in general, as shown in FIGS. 4A and 4B, the seat 6 of the vehicle fits the user's buttocks on the seat 7 and the user's back on the back 8. Concave portions 7A and 8A are formed to make shifting difficult. Since these recesses 7A and 8A are generally about 30 cm in width, it is difficult for the seat side plate 3 and the back plate 4 to move when the recesses 7A and 8A are fitted into the recesses 7A and 8A, respectively.

  Next, the effect | action of the back pain prevention tool 2 which concerns on a present Example is demonstrated. When the back pain prevention tool 2 according to the present embodiment is not used, the seat side plate 3 and the back side plate 4 are folded and stored in a storage place (see FIG. 3). When used, it is carried to the seat (or chair for work) 6 of the vehicle to be used. Since the back pain prevention device 2 is substantially composed of two plates, a seat side plate 3 and a back side plate 4, it can be easily carried. In use, the seat side plate 3 is placed on the seat portion 7 of the seat 6, the back side plate 4 is placed against the back portion 8, the back pain prevention device 2 is placed on the seat 6 in an open state, and the user sits down. It sits on the side plate 3 (see FIG. 5). Even if the seat 6 is a reclining seat in which the back portion 8 is tiltable, the back side plate 4 can be applied to the back portion 8 in accordance with the inclination of the reclining seat. Since the lumbago prevention device 2 according to the present embodiment is used in this manner, the user sits with the buttocks resting on the hard seat side plate 3 and the back hitting the hard back side plate 4. For this reason, the user's buttocks always hit the hard seat side plate 3, and the back does not sink against the hard back side plate 4 supported by the back portion 8. Therefore, the person sits with his / her spine upright physiologically, the burden on the lower back is reduced, and lower back pain is less likely to occur. For this reason, it has the effect of preventing the occurrence of low back pain.

  In the first embodiment, each of the seat side plate 3 and the back side plate 4 is made of a wood plate. However, the present invention is not limited to this, and any hard material may be used, such as a synthetic resin (for example, Or an acrylic plate) or a metal plate. Further, as shown in FIG. 6, these plates may be laminated by laminating a plurality of thin synthetic resins or plates with an adhesive to improve the rigidity. Furthermore, in the said Example, although the hinge which connects between the seat side board 3 and the back side board 4 and opens and closes both the boards 3 and 4 is comprised as an opening-and-closing means, it is not restricted to this, A flexible material such as cloth or rubber, a flexible material made of a metal flake that freely displaces the back side plate 4 with respect to the seat side plate 3, or a flexible material made of a synthetic resin thin piece is used. The flexible material may be formed in a strip shape, and both ends of the strip-shaped soft material or the flexible material may be connected to the plates 3 and 4.

  FIG. 7 shows a back pain prevention device according to the second embodiment of the present invention, and the back pain prevention device 2 according to the first embodiment comprises a seat side plate 3 and a back side plate 4 as separate plates. However, it is different in that it is made of a single plate made of an integral synthetic resin. The back pain prevention device 12 according to the present embodiment is connected to a seat side portion 13 placed on the seat portion 7 of the seat 6 via the seat side portion 13 and a thin wall portion (swinging portion) 15 and is applied to the back portion 8. The seat side portion 13 and the back side portion 14 are slidably displaced, and the seat side portion 13 and the back side portion 14 are formed in a rigid plate shape. Composed. The thin-walled portion 15 is configured by forming a substantially central back surface that separates the seat side portion 13 and the back-side portion 14 into a thin wall, and is configured to be foldable around the thin-walled portion 15. A reinforcing material may be attached to the thin portion 15 so as to withstand repeated bending operations. Since the back pain prevention tool 12 according to the present embodiment is composed of a single synthetic resin plate, it can be integrally molded, and the cost can be reduced. In use, as in the first embodiment, the seat side portion 13 is placed on the seat portion 7 of the seat 6, the back side portion 14 is placed against the back portion 8, and the back pain prevention device 12 is placed on the seat 6. Is placed in an open state so that the user can sit on the seat side portion 13. When stored, it can be stored in an open state or in a folded state according to the storage location.

  In each of the above embodiments, an example in which the back pain prevention device is mounted on the vehicle seat 6 is shown, but the present invention is not limited to this, and an office chair or work having a seat portion and a back portion. Needless to say, it may be used for a chair. Moreover, in each said Example, although the seat side board 3, the back side board 4, the seat side part 13, and the back side part 14 are formed in plate shape, as shown to (A) and (B) of FIG. A through-hole 16 is formed in the seat side plate 3 (seat side portion 13) and the back side plate 4 (back side portion 14), or a narrow groove 17 is formed to allow air to pass therethrough to avoid stickiness due to sweat. Good. Further, a hard ventilation material may be attached to the surface side of the seat side plate 3 (seat side portion 13) and the back side plate 4 (back side portion 14) in order to prevent stickiness due to sweat, or the seat side plate 3 The (seat side portion 13) and the back side plate 4 (back side portion 14) may be configured by a hard and porous ventilation structure. Further, a thin basket or cushion may be detachably provided on the upper surface of the seat side plate 3 (seat side portion 13) so that the user can continue sitting for a long time. Even in that case, it is preferable to have a thickness or flexibility so that a sensation that the buttock hits the seat side plate 3 (seat side portion 13) is obtained. Furthermore, you may make it stick the friction material which is not slippery with respect to the seat of a seat or a chair on the back surface of the seat side board 3 (seat side part 13). Further, the seat side plate 3 (seat side portion 13) and the back side plate 4 (back side portion 14) may be entirely covered with a cloth bag and wrapped. By adopting such a configuration, it becomes difficult to slip, and design diversity is obtained by the appearance of the bag. The bag body is not limited to wrapping the entire seat side plate 3 (seat side portion 13) and back side plate 4 (back side portion 14), but the seat side plate 3 (seat side portion 13) and the back side plate 4 (back side). You may comprise so that any one of the side parts 14) may be wrapped.

2 Back pain prevention device 3 Seat side plate (seat side)
4 back plate (back side)
5 Hinge (oscillating part, opening / closing means)
6 seats 7 seats 8 back

Claims (2)

A seat side part used for being placed on a seat or chair having a seat part and a back part, and a seat side part placed on the seat part, and a back side part connected to the seat side part via the swing part and applied to the back part A back pain prevention device that swingably displaces the seat side portion and the back side portion, and the seat side portion, the swing portion, and the back side portion are made from a single plate made of synthetic resin. A back pain prevention device comprising a single plate with no swinging portion formed on a flat surface with the single plate open . The back pain prevention device according to claim 1, further comprising a bag body covering and covering the seat side portion and the back side portion.

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