JP3057132U - Backrest mat - Google Patents

Abstract

(57) [Summary] [PROBLEMS] To reliably hold the waist in conformity with the shape of the user's waist, to prevent or reduce back pain and back pain, to be surely positioned on a seat or the like, and to allow the user to hold his / her body. To provide a backrest mat that does not shift even when moved, and is easily folded and stored or carried when not in use. SOLUTION: This is a flat hollow body made of a flexible member, and is expanded by releasing air inside by opening an air supply and exhaust valve (10) by a pressure pump (9) driven manually or by a power source. The air cushion (7), which can be contracted freely, is attached to the back surface (Ma) side of the mat substrate (1) made of a flexible member and at least the back surface (Ma) side of the mat substrate (1). The air cushion (7) is provided with a mounting means which is held by holding means between the mat and the mat cover (2) which is covered with the cloth, and which is attached to a predetermined position of a backrest such as a seat. The protrusion of the surface (Mb) is restrained by the mat substrate (1).

Description

[Detailed description of the invention]

[0001]

[Technical field to which the invention belongs]

 The present invention is used by fixing to a backrest of a vehicle seat, an office chair, a seating chair, etc. (hereinafter referred to as a “seat, etc.”), and holding the user's waist and back to prevent back pain and back. The present invention relates to a backrest mat for preventing or reducing pain.

[0002]

[Prior art]

 The driver of a car or the like is restrained by a seat or the like by using a safety seat belt, and therefore, keeps driving in the same position for a long time, and in desk work, there is an opportunity to sit in a seat or the like for a long time due to the spread of office equipment. In many cases, there is a gap between the backrest, such as a seat, and the waist and back, and this gap creates tension in the hip muscles, causing back pain and back pain. I have.

[0003] Conventionally, air or an elastic member is installed in a gap formed between the seat or the like and the waist or back to prevent or reduce back pain or back pain by holding the user's waist. Cushions are used.

[0004]

[Problems to be solved by the invention]

 However, the cushion provided with elasticity by injecting or sealing the air has a curved surface that bulges out on both sides, so that it is difficult to conform not only to the shape of the user's waist and back, but also to the shape of the backrest. Therefore, a short sitting posture provides a comfortable feeling, but a long period of time adversely affects the lower back, and if the user moves unsteadily on a seat, etc. In addition, there has been a problem in that the position of the cushion is displaced, the waist and back of the user cannot be sufficiently held, and back pain and back pain cannot be prevented or reduced.

[0005] Also, a cushion in which an elastic member such as urethane foam is accommodated can be freely formed in a cross-sectional shape, but the body shape of the user is not uniform and the shape of the back is also various. Nevertheless, it is not only difficult to completely fit the product because it is a fixed type, but also because it cannot be made thin, it is bulky and it is not easy to store and carry it.

[0006] Therefore, the present invention is intended to be able to conform to the shape of the waist according to the body shape of the user, to securely hold the waist, to prevent or reduce back pain and back pain, and to improve the seat and the like. The shape is adapted to the backrest, and it is securely positioned on the seat etc. by the mounting means, so that it does not shift even if the user moves the body, and when not in use, it is folded thin to facilitate storage and carrying It is intended to provide a backrest mat.

[0007]

[Means for Solving the Problems]

 The present invention has been made to solve the above-mentioned problem, and is a flat hollow body made of a flexible member, which opens and closes an air supply and exhaust valve by a pressurized pump driven manually or by a power source. A mat cover that covers the back surface side of a mat substrate made of a flexible member and at least the back surface side of the mat substrate with a stretchable fabric. When the air cushion is inflated, the protrusion of the mounting surface is restrained by the mat substrate, and these are set to be adjustable to a predetermined position of a backrest such as a seat. The backrest mat is basically provided with mounting means for performing the operation.

[0008] Further, a bag for storing and holding the air cushion may be mounted between the mat substrate and the mat cover as the means for holding the air cushion.

Further, the air cushion is divided into a plurality of air chambers, and a groove is formed on the surface of the air cushion when the air cushion is inflated, or grooves and irregularities are formed on the surface by the plurality of air cushions. May be.

[0010]

[Effects of the Invention] According to the above invention, the air cushion (7) is a flat hollow body made of a flexible member, and the air supply and exhaust valves of the pressurized pump (9) driven manually or by a power source. Since the air can be freely expanded and contracted by releasing the internal air when (10) is opened, the back surface (Ma) of the backrest mat can be set to the desired rigidity to fit the shape of the user's waist and back. It can be inflated into a shape.

A mat cover that covers at least the back surface (Ma) side of the mat substrate (1) made of a flexible member and at least the back surface (Ma) side of the mat substrate (1) with an elastic material. Since the air cushion (7) is held between the air cushion (7) and the air cushion (7) by inflating the air cushion (7), the protrusion of the mounting surface (Mb) is restrained by the mat substrate (1). The backrest mat conforms to the shape of the backrest of the seat and the like, and the backrest mat is stabilized on the seat and the like, and the mounting means can be adjusted to the predetermined position of the backrest of the seat and the like, so that the user can rest on the body. Even if it moves, the position of the air cushion (7) does not shift, and the waist of the user can be securely held.

Since the air cushion (7) can be freely expanded and contracted, the cross-sectional shape of the backrest mat can be adjusted to the shape of the user's waist and back by adjusting the amount of air injected into the air cushion (7). Not only can it be easily maintained, but when not in use, it can be deflated and thinned, and the flexible mat substrate (1) can be folded, making it easy to store and carry.

As a means for holding the air cushion, a bag portion for housing and holding the air cushion (7) is mounted between the mat substrate (1) and the mat cover (2). Can be performed only by the sewing means, and the manufacturing equipment can be simplified and the manufacturing equipment can be simplified, so that the manufacturing cost can be reduced and the backrest mat can be provided at low cost.

Further, when the air cushion (7) is inflated, the air cushion (7) is divided into a plurality of air chambers so as to form a groove on the surface thereof, or a groove and irregularities are formed on the surface by the plurality of air cushions (7), Since the air permeability on the back surface (Ma) side is improved, the user can comfortably use the waist and back without stuffiness even if the user is leaning for a long time.

As described above, it is possible to adapt to the shape of the waist according to the body shape of the user and to securely hold the waist, and to allow the worker to be in a long sitting posture, such as driving a car or working at a desk. Able to prevent or reduce the degree of fatigue and back pain and back pain that occur, and when the user moves the body while being securely positioned on the seat etc. by a shape and mounting means that also fits the backrest of the seat etc. However, it is possible to provide a backrest mat which is not displaced and is easily folded and stored and easily carried when not used.

[0016]

DESCRIPTION OF THE PREFERRED EMBODIMENTS AND

【Example】

 (Embodiment 1) The backrest mat (M) according to the first embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a front view of the backrest mat (M) viewed from the back surface (Ma) side, and FIG. FIG. 3 is a rear view as viewed from the mounting surface (Mb) of the backrest mat (M), FIG. 3 is a sectional view taken along the line AA in FIG. 1, and FIG. It consists of an air cushion (7) that can be expanded and contracted by operating the pressure pump (9) and the exhaust valve (10), a mat substrate (1), and a mat cover (2). It has a rectangular outline shape of about 2cm, and the thickness other than the part where the air cushion (7) is mounted is about 2cm, and the part where the air cushion (7) is mounted is about 8cm thick when inflated.

The air cushion (7) is a bag-like body in which two thin vinyl sheets of 34 cm in width and 16 cm in length are stacked and welded to each other, and an air passage is formed on a side portion of the air cushion (7). One end of a vinyl pipe (8) is welded so as to communicate with the inside of the air cushion (7), and the other end of the vinyl pipe (8) is connected to an exhaust valve (10) used for a sphygmomanometer and the like. ) Is formed so as to communicate with a rubber pressure pump (9) integrated with the pressure pump.

Next, as shown in FIGS. 1 to 3, the mat substrate (1) serving as a core material of the backrest mat (M) has a flexibility of 50 cm in length, 35 cm in width, and 3 mm in thickness. A slightly hard rubber plate member that can be folded in half, and short hairs are planted in piles on the back surface (Ma) side, so that the rubber surface does not adhere to the user's back due to the short hairs. And air permeability is ensured.

Next, the mat cover (2) covering the mat substrate (1) is sewn with a fabric having excellent elasticity and air permeability on both the reclining surface (Ma) side and the mounting surface (Mb) side. It is formed in a bag shape of 50 cm and 35 cm in width. The mat substrate (1) is taken out at the lower end edge when the mat cover (2) is washed or repaired. An opening (4) equipped with a slide zipper, and slightly below the center line in the width direction on the inner surface on the back surface (Ma) side, around the same cloth 17 cm long and 35 cm wide. The bag (3) is formed by sewing, and the air cushion (7) is previously inserted before completely sewing around the bag (3). Hold the cushion (7).

As shown in FIG. 3, on the mounting surface (Mb) side of the mat cover (2), a backrest mat (M) is set at a predetermined position of a backrest such as a seat so as to be adjustable. As a mounting means, a fixing portion (5) formed by sewing a synthetic resin cloth belt is formed such that a belt attaching portion (5a) through which the fixing belt (6) is inserted is formed at an edge of each side. I have.

Next, a method of using the backrest mat (M) according to the first embodiment described above will be described. As shown in FIG. 4, first, as shown in FIG. The fixed belt (6) inserted so that the back surface (Ma) of (M) faces up and the air cushion (7) part is at the waist of the user, and is inserted through the belt mounting part (5a) Attach to a backrest such as a seat.

Next, air is sent to the air cushion (7) by operating the pressure pump (9) to inflate the air cushion (7). In this case, since the air cushion (7) is fixed to the back surface (Ma) side of the mat substrate (1), only the back surface (Ma) of the backrest mat (M) swells and the mounting surface (Mb) is Since the mat cover (2) does not swell and the mat cover (2) has elasticity, the mat surface (Ma) expands and contracts in accordance with the expansion of the air cushion (7) from a flat state, and does not generate wrinkles or looseness. The appearance of the backrest mat (M) can be maintained.

Then, the user sits on a seat or the like and confirms that the air cushion (7) portion is in contact with the waist or back, and furthermore, if the swelling is insufficient, the pressurizing pump (9) ) To inflate the air cushion (7). If the air cushion (7) is too inflated, operate the exhaust valve (10) to adjust to an appropriate hardness.

During use of the backrest mat (M), since the mat cover (2) and the mat substrate (1) have air permeability, even when used for a long time, the waist and the back hardly get stuffy. When the air cushion (7) is repeatedly inflated and contracted by operating the pressurizing pump (9) and the exhaust valve (10), the waist and back are stretched while sitting and the It can also exert a non-surge effect.

After use, the backrest mat (M) is removed from the seat or the like, if necessary, and the exhaust valve (10) is operated to completely bleed the air from the air cushion (7) to make it thin. However, since the backrest mat (M) can be made compact by folding it in half, a space is not required for storage or storage.

Second Embodiment A backrest mat (M) according to a second embodiment of the present invention will be described with reference to the drawings. FIG. 5 shows a backrest mat (M) of the backrest mat (M) according to the second embodiment. FIG. 6 is a sectional view taken along the line BB of FIG. 5, and the backrest mat (M) is expanded by a pressure pump (9) and an exhaust valve (10) driven by a power source. It consists of a contractible air cushion (7), a mat board (1) and a mat cover (2) .It has a rectangular outline of 60 cm in length and 40 cm in width. The thickness is about 2cm and the air cushion (7) is about 8cm thick when inflated.

Each of the air cushions (7) is a vinyl bag having a length of 6 cm and a width of 39 cm, and one end of a vinyl pipe (8) is welded to a side of each air cushion (7). The other end of the vinyl pipe (8) is connected to the inside of the cushion (7), and the other end of the vinyl pipe (8) is connected to a pressure pump (9) incorporating a dry battery and an electric pump driven by a motor. ) And the exhaust valve (10).

The mat substrate (1) and the mat cover (2) are made of the same material as that of the first embodiment. The mat substrate (1) is a rectangle having a length of 60 cm, a width of 40 cm, and a thickness of 3 mm. 2) is formed in a bag shape of 60 cm in length and 40 cm in width, and the mat substrate (1) is used when the mat substrate (1) is put in the lower edge or when the mat cover (2) is washed or repaired. The mat cover (2) has an opening (4) with a slide fastener used for taking out the mat cover (2). As a mounting means for setting, a synthetic resin cloth belt is sewn so that a belt attaching portion (5a) through which the fixing belt (6) can be inserted is formed at an edge of each side. (5) is formed.

On the inner surface of the mat cover (2) on the back surface (Ma) side, slightly below the center line in the width direction, three cloths of the same material as the mat cover (2) having a length of 7 cm and a width of 40 cm are sewn. To form a bag portion (3), and before completely sewing the periphery of the bag portion (3), the air cushion (7) is put in advance, and the bag (3) is used for air cushioning. Hold (7).

Next, a method of using the backrest mat (M) according to the second embodiment described above will be described. Although not shown, the backrest mat (M) is first placed on a backrest such as a seat to be seated by the user. (M) so that the reclining surface (Ma) is facing up and the air cushion (7) is at the waist position of the user, and the fixed belt (6) inserted through the belt attaching portion (5a) is ) To secure it to the backrest such as a seat.

Next, air is sent to each air cushion (7) by operating the pressure pump (9) to inflate each air cushion (7). In this case, since each air cushion (7) is fixed to the back surface (Ma) of the mat base plate (1), the back surface (Ma) swells, but the mounting surface (Mb) does not bulge, A groove is formed between the air cushions (7) to form an uneven cross section, and the mat cover (2) has elasticity, so that the backrest follows the uneven shape of the air cushion (7). A horizontal groove is formed on the surface of the mat (M).

Then, the user sits on a seat or the like, confirms that the air cushion (7) portion is in contact with the waist portion, and furthermore, if swelling is insufficient, further pressurizes the pump (9). ) Can be used to inflate the air cushion (7). If the air cushion (7) is too inflated, the exhaust valve (10) can be operated to adjust the hardness appropriately.

As described above, in the case of the backrest mat (M) according to the second embodiment, since the grooves are formed between the air cushions (7), the backrest mat (M) is particularly excellent in air permeability, and is suitable for a long time user. Even if it leans, it does not cause stuffiness and can be used comfortably.

When the inflating and deflating of the air cushion (7) are repeated by operating the pressurizing pump (9) and the exhaust valve (10), the waist and back are stretched while sitting, and a moderate massage effect is exhibited. Since these are pressurized pumps (9) driven by driving force, these operations can be performed quickly and easily.

After use, remove the backrest mat (M) from the seat or the like, if necessary, operate the exhaust valve (10) to completely bleed air from the air cushion (7), and thinly However, by folding the backrest mat (M) in half, it is compact and does not take up space for storage or storage.

The backrest mat according to the present invention described above is not limited to the above embodiment, but can be arbitrarily changed according to the seat to be used, the physique of the user, and the like. Needless to say. The mat substrate (1) must be made of a material that has flexibility and air permeability, and has a hardness that does not cause the mounting surface (Mb) of the backrest mat (M) to swell even when the air cushion (7) is expanded. A groove may be formed on the surface of the mat substrate (1) to ensure air permeability.

As the material of the mat cover (2), various air permeable fabrics can be used, and the air cushion (7) can be made of rubber or other durable material in addition to vinyl. Can be used. As the pressurizing pump (9), various small and light pumps can be used.In addition, in the manufacturing process of the mat cover (2) and the like, the sewing means is replaced by heat welding means and high-frequency welding means. The number of operations can be reduced, and the manufacturing cost can be reduced.

[Brief description of the drawings]

FIG. 1 is a front view of a backrest mat according to a first embodiment of the present invention, as viewed from a reclining surface.

FIG. 2 is a rear view as viewed from a mounting surface of a backrest mat.

FIG. 3 is a sectional view taken along line AA of FIG. 1;

FIG. 4 is an explanatory diagram of a use state.

FIG. 5 is a front view of the backrest mat according to the second embodiment of the present invention as viewed from the back surface.

FIG. 6 is a sectional view taken along the line BB of FIG. 5;

[Explanation of symbols]

 (1) Mat board (2) Mat cover (3) Bag (4) Opening (5) Fixed part (5a) Belt attachment part (6) Fixed belt (7) Air cushion (8) Vinyl pipe (9) Pressure pump (10) Exhaust valve (M) Backrest mat (Ma) Rest surface (Mb) Mounting surface

Claims (3)

[Utility model registration claims] 1. A flat hollow body made of a flexible member, which is expanded by releasing internal air by opening an air supply and exhaust valve (10) by a pressure pump (9) driven manually or by a power source. The air cushion (7), which can be contracted freely, is attached to the back surface (Ma) side of the mat substrate (1) made of a flexible member and at least the back surface (Ma) side of the mat substrate (1). Holding by a holding means between a mat cover (2) covered with dough,
When the air cushion (7) is inflated, the mounting surface
The protrusion of (Mb) is restrained by the mat substrate (1),
A backrest mat comprising a mounting means for setting these at a predetermined position of a backrest such as a seat so as to be adjustable. 2. A bag unit mounted between a mat substrate (1) and a mat cover (2) by means for holding the air cushion (7).
The backrest mat according to claim 1, wherein the backrest mat is a means for storing the backrest mat in (3). 3. The air cushion (7) is divided into a plurality of air chambers so as to form a groove on the surface when the air cushion (7) is inflated, or a groove and irregularities are formed on the surface by the plurality of air cushions (7). The backrest mat according to claim 1 or 2, wherein air permeability on the back surface (Ma) side is improved.