JP6506819B2 - Backache prevention device - Google Patents

Description

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

  Conventionally, as a back pain treatment chair for treating back pain, a pair of arm rests whose position can be adjusted up and down and which can be opened and closed right and left, a waist rest attached to this arm through a joint, and a waist rest below the patient's ribs There is known one provided with a fastening device for fastening and fixing from both sides in the vicinity and an adjusting cylinder for adjusting the height of the seat (see Patent Document 1). The back pain chair supports the patient with a backrest, lowers the seat and floats in the air, and treats the patient by forcing the spine straight with his own weight.

JP-A-11-221257

  However, the above-mentioned conventional back pain treatment chair can not be carried anywhere, for example, when a user sits in a seat and drives a vehicle for a long time, sits on a chair and works for a long time, etc. You must go to the facility or place where you have a treatment chair. In the meantime, there is a problem of having to endure low back pain. For this reason, when driving a vehicle for a long time or sitting on a chair and working for a long time, to prevent low back pain in advance, avoid long driving and work and take rest many times or exercise for preventing low back pain There is a problem that work efficiency is bad.

  The present invention has been made to solve the above problems, and can be carried anywhere with a simple configuration, prevents occurrence of low back pain, and performs work while sitting in a chair for a long time or for a long time An object of the present invention is to provide a back pain prevention device that causes less back pain even when driven.

  A back pain prevention tool according to claim 1 of the present invention is a back pain prevention tool which is used by being placed on a seat or chair having a seat portion and a back portion in which a recessed portion is formed, and is placed on the seat portion A seat side, the seat side, and a back side connected via a swinging portion and applied to the back, wherein the seat side and the back side are pivotally displaced, and the seat sides It is characterized in that the portion and the back side are formed in a hard plate shape, and the seat side is fitted into a recessed portion of the seat to make it difficult to move.

  The back pain prevention tool according to claim 1 of the present invention is a back pain prevention tool which is used by being placed on a seat or chair having a seat portion and a back portion in which a recessed portion is formed, which is placed on the seat portion A seat side, the seat side, and a back side connected via a swinging portion and applied to the back, wherein the seat side and the back side are pivotally displaced, and the seat sides The head and back side are formed into a rigid plate, and the seat side is inserted into the recess of the seat to make it difficult to move, so carry it to the seat or chair where the back pain prevention device is to be used, The seat side is placed on the seat of this seat or chair and the back side is placed on the back, and when the user sits on the seat side, the user places the buttocks on the hard seat side, You will sit with your back against the hard back. For this reason, the user's buttocks always hit the hard seat side and do not sink on the hard back side supported on the back as well. Therefore, it becomes possible to sit by straightening the spine physiologically, reducing the burden on the lower back, making it difficult to cause back pain.

  In the back pain prevention tool according to claim 2 of the present invention, the seat side and the back side are respectively constituted by separate flat plates, and the seat side plate and the back side plate are connected by the opening / closing means. It is characterized.

  A back pain prevention tool according to a third aspect of the present invention is characterized in that a friction material for making the seat or the seat portion of the seat not slippery is attached to the back of the seat side.

  A back pain prevention tool according to a fourth aspect of the present invention is characterized in that the seat side plate and the back side plate are formed by laminating a plurality of synthetic resins or metals.

  According to a fifth aspect of the present invention, there is provided a back pain prevention device which is used by being mounted on a seat or chair having a seat portion and a back portion having a recessed portion and a seat side portion placed on the seat portion and the seat portion. A back pain prevention device having a side portion and a back side connected via a swinging portion and applied to a back, wherein the seat side and the back side are pivotably displaced, the seat side The rocking portion and the back side portion are made of a single plate made of synthetic resin, and the seat side portion is fitted into a recessed portion of the seat portion to make it difficult to move.

  According to a sixth aspect of the present invention, there is provided a back pain prevention device comprising a bag body which covers at least one of a seat side and a back side.

  A back pain prevention tool according to a seventh aspect of the present invention is characterized in that the swinging portion is constituted by a thin portion formed thin, and a reinforcing material is attached to the thin portion.

  The back pain prevention tool according to the present invention is a back pain prevention tool which is used by being placed on a seat or chair having a seat portion and a back portion in which a recessed portion is formed, and the seat side portion placed on the seat portion The seat side and the back side connected via the swinging portion and applied to the back, the seat side and the back side are pivotally displaced, and the seat side and the back side The seat can be easily carried to the seat or chair that the user wants to use, by forming the seat into a rigid plate and fitting the seat side into the recess of the seat and making it difficult to move. In addition, in terms of menstruation, the spine can be naturally straightened, which prevents the occurrence of back pain and has the effect of making back pain difficult.

FIG. 1 is a perspective view showing a back pain 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 low back pain 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. FIGS. 4A and 4B are respectively a perspective view of a seat of a vehicle using the back pain prevention gear according to the first embodiment and a partially broken perspective view of the seat. FIG. 5 is a use state explanatory view showing a state in which the back pain prevention gear according to the first embodiment is mounted on a seat of a vehicle and used. FIG. 6 is a fragmentary cross-sectional view showing a modification of the plate of the lower back pain prevention gear according to the first embodiment. FIG. 7 is an explanatory view showing a back pain prevention tool according to a second embodiment of the present invention. (Example 2) (A) of FIG. 8, (B) is explanatory drawing which each shows the modification of the back pain prevention tool which concerns on 1st 2nd each Example.

  It is a back pain prevention device that is used by being placed on a seat or chair having a seat portion and a back, for the purpose of obtaining a back pain prevention device that can be easily carried, prevent the occurrence of back pain, and is less likely to cause back pain. , A seat side plate placed on the seat portion, a back side plate applied to the back, and a hinge for connecting the two plates and pivoting the plates open and closed, wherein the two plates are made of a hard material Realized by

  The invention will now be described by way of example shown in the drawings. FIG. 1 is a perspective view showing a back pain prevention device according to a first embodiment of the present invention. As shown in FIG. 1, the back pain prevention tool 2 according to the present embodiment connects the seat side plate (seat side portion) 3 and the back side plate (back side portion) 4 with the both plates 3 and 4 to form both plates 3. , 4 swingably open and close (opening / closing means) 5. The hinge 5 functions as a swinging portion for swinging the plates 3 and 4. The seat side plate 3 and the back side plate 4 are each formed of a hard wood plate material formed in a rectangular shape. The longitudinal outer end portions 3A and 3B of the seat-side plate 3 and the longitudinal outer end portions 4A and 4B of the back plate are respectively 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 placed on the back 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. Is preferred. The thickness of each plate is preferably 3 to 10 mm. It goes without saying that these dimensions may be suitably changed according to the dimensions of the seats of vehicles sold domestically. That is, in general, as shown in FIGS. 4A and 4B, the seat 6 of the vehicle has the buttocks of the user in the seat 7 and the back of the user in the back 8, respectively. In order to make it difficult to shift, recessed portions 7A and 8A are formed. Since the width of the recessed portions 7A and 8A is generally about 30 cm, when the seat side plate 3 and the back side plate 4 are respectively fitted into the recessed portions 7A and 8A, the recessed portions 7A and 8A do not move easily.

  Next, the operation of the back pain prevention tool 2 according to the present embodiment will be described. When the back pain prevention tool 2 which concerns on a present Example is not used, the seat side board 3 and the back side board 4 are folded, and it stores in a storage place (refer FIG. 3). When used, it is carried to the seat (or work chair) 6 of the vehicle used. The back pain prevention device 2 is substantially comprised of two plates of the seat side plate 3 and the back side plate 4 and therefore can be carried easily. In use, the seat side plate 3 is placed on the seat 7 of the seat 6, the back side plate 4 is placed upright on the back 8, the back pain prevention device 2 is placed in an open state on the seat 6, and the user sits It sits on the side plate 3 (see FIG. 5). Even if the seat 6 is a reclining seat whose back 8 is tiltable, the back side plate 4 can be applied to the back 8 according to the inclination of the reclining seat. Since the back pain prevention tool 2 according to the present embodiment is used in this manner, the user sits down with his buttocks resting on the hard seat plate 3 and his back against the hard back plate 4. For this reason, the user's buttocks always hit the hard seat plate 3 and do not sink on the hard back plate 4 supported by the back 8 as well. Therefore, it becomes possible to sit by straightening the spine physiologically, reducing the burden on the lower back, making it difficult to cause back pain. For this reason, it is effective in preventing the occurrence of low back pain.

  In the first embodiment, the seat side plate 3 and the back side plate 4 are respectively made of wood plates. However, the present invention is not limited to this, and any hard material may be used. , Acrylic, etc.) or metal plates. Further, as shown in FIG. 6, these plates may be laminated by bonding a plurality of thin synthetic resins or plates with an adhesive, to improve rigidity. Furthermore, in the above embodiment, the hinges connecting the seat side plate 3 and the back side plate 4 and swinging open and close both plates 3 and 4 are configured as the opening and closing means, but the invention is not limited thereto. A flexible material such as cloth or rubber, a flexible material made of metal flakes for freely displacing the back side plate 4 with respect to the seat side plate 3, or a flexible material made of synthetic resin flakes can be used. The flexible member may be formed in a strip shape, and both ends of the strip-shaped flexible member or flexible member may be connected to the respective plates 3 and 4.

  FIG. 7 shows a back pain prevention tool according to a second embodiment of the present invention, wherein the back pain prevention tool 2 according to the first embodiment comprises the seat side plate 3 and the back side plate 4 as separate plates. However, they are different from each other in that they are constructed of an integral synthetic resin single plate. The low back pain prevention tool 12 according to the present embodiment is applied to the seat side portion 13 mounted on the seat portion 7 of the seat 6, the seat side portion 13 and the back portion 8 connected via the thin portion (swinging portion) 15 The seat side 13 and the back side 14 are pivotably displaced, and the seat side 13 and the back side 14 are formed in a rigid plate shape. Configured The thin portion 15 has a substantially central back surface separating the seat side portion 13 and the back side portion 14 from the thin portion, and is configured to be bendable about the thin portion 15. A reinforcing material may be attached to the thin portion 15 so as to withstand repeated bending operations. In the low back pain prevention tool 12 according to the present embodiment, since it is configured from a single plate made of synthetic resin, integral molding is possible, and cost reduction can be achieved. In use, as in the first embodiment, the seat side 13 is placed on the seat 7 of the seat 6, the back side 14 is erected on the back 8, and the back pain prevention device 12 is placed on the seat 6. In the open state, and the user sits on the seat side 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, the back pain prevention device is mounted on the seat 6 of the vehicle and used. However, 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 for the purpose. In each of the above embodiments, the seat side plate 3, the back side plate 4, the seat side portion 13 and the back side portion 14 are formed in a plate shape, but as shown in (A) and (B) of FIG. A through hole 16 may be 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 may be formed to allow air to pass through to prevent stickiness due to sweat. Good. Furthermore, a hard air-permeable material may be attached to the surface sides of the seat side plate 3 (seat side portion 13) and the back side plate 4 (back side portion 14) to prevent stickiness due to sweat. The (seat side portion 13) and the back side plate 4 (back side portion 14) may be formed of a rigid and porous ventilation structure. In addition, a thin lens group or a cushion may be detachably provided on the upper surface of the seat side plate 3 (seat side portion 13) so as to be able to sit for a long time. Even in that case, it is preferable to have a thickness or flexibility to the extent that the feeling that the buttocks hit the seat side plate 3 (seat side portion 13) can be obtained. Furthermore, on the back surface of the seat side plate 3 (seat side portion 13), a friction material that does not slip against the seat of the seat or chair may be attached. Also, the entire seat side plate 3 (seat side portion 13) and back side plate 4 (back side portion 14) may be covered and wrapped with a cloth bag. With such a configuration, it becomes difficult to slip, and the appearance of the bag can provide a variety of design. 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), and the seat side plate 3 (seat side portion 13) and back side plate 4 (back) It may be configured to wrap any one of the side portions 14).

2 back pain prevention equipment 3 seat side board (seat side)
4 dorsal side (back side)
5 Hinges (swaying part, opening and closing means)
6 seats 7 seats 8 back

Claims (3)

A back pain prevention device mounted on a seat or chair having a seat portion and a back portion having a recessed portion, the seat side portion placed on the seat portion, the seat side portion, and the swing portion It has a back side connected via the back and is applied to the back, and the seat side and the back side are pivotally displaced, and the seat side and the back side are separate rigid bodies, respectively. It is a back pain prevention tool which consists of one wood board material , and the width of this seat side is a width according to the width of the recess formed in the seat,
A back pain prevention device characterized in that the entire exposed surface against which the buttocks of the seat side abut is flat, and the entire exposed surface against which the back of the back side abuts.   The back pain prevention device according to claim 1, characterized in that a friction material for making the seat or the seat of the chair non-slip is affixed to the back of the seat side. The back pain prevention device according to claim 1, further comprising a bag covering the seat side and / or the back side.

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