JP2015100508A - Lower backache prevention cushion - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a lower backache prevention cushion for facilitating attachment/detachment to/from not only a car seat and an office chair but also variously designed chairs.SOLUTION: A lower backache prevention cushion includes a back support body 1 and a lower back cushion body 2. The upper end of the back support body 1 includes a first engagement part 3 forming a ring shape structure by engageable engagement pieces. The lower end of the back support body 1 includes a lock part 6 for locking the rear surface part of the lower end to the rear surface part of the back support body 1. The lower back cushion body 2 includes a connection part 6 for enabling the movement of the lower back cushion body 2 in the back support body 1 and connecting the lower back cushion body 2 to the back support body 1.

Description

  The present invention relates to a back pain prevention cushion that can be attached to and detached from a chair.

  It is known that long-time desk work or driving a car with an inappropriate posture can cause back pain. For this reason, many cushions for preventing back pain and lumbar support have been developed so far by supporting the seat on the waist of the seated person to assist in maintaining an appropriate posture.

  As a cushion that can be attached to a car seat, a cushion for preventing back pain laid on a seat (Patent Document 1) and a seat cover including a lumbar support that can be adjusted up and down are known (Patent Document 2). Further, a cushion attached by hanging a string from a headrest of a car seat (Patent Document 3), a cushion attached to a gap between a seat portion and a back portion of the seat, and the like are also known (Patent Document 4).

  In addition to car seats, chairs and the like to which a lumbar support is integrally attached have been disclosed so far (Patent Documents 5 and 6).

Japanese Patent No. 4559711 JP 2002-325651 A Utility Model Registration No. 3070909 Utility Model Registration No. 3177316 JP 2006-204802 A Japanese Patent No. 5105504

  However, conventional back pain prevention cushions and lumbar supports are often installed on a specific chair such as a car seat or are structurally integrated with a chair, and have a drawback of lacking versatility. In recent years, the design of chairs has also diversified, and it can be flexibly applied to chairs of various shapes, and even when the seated person is different, cushions for preventing back pain can be appropriately placed on the waist. Is required.

  In view of the above-described problems and objects, an object of the present invention is to provide a cushion for preventing low back pain that can be easily attached to and detached from chairs of various designs such as car seats and office chairs.

  The back pain prevention cushion according to the present invention is a back pain prevention cushion having a back support body and a back cushion body, and the upper end portion of the back support body forms a first ring structure by an engaging and disengaging engagement piece. An engagement portion, and a lower end portion of the back support body includes an engaging portion that engages a back surface portion of the lower end portion with a back surface portion of the back support body, and the waist cushion body is provided in the back support body. It is possible to move the lumbar cushion body and to have a connecting portion for connecting the lumbar cushion body to the back support.

  The back support is fixed by attaching an annular structure (loop-like structure) formed by the first engaging part to a headrest such as a chair or a protruding structure. Therefore, it can be easily attached and detached without being affected by the width of the chair and the shape of the left and right.

  In addition, the waist cushion body can be fixed by adjusting the support body to an appropriate length according to the length of the backrest of the chair by the engaging portion provided at the lower end portion of the back support body. And the position of a cushion body can be adjusted so that it may contact a seated person's waist | hip | lumbar part appropriately by the connection part with which a waist | hip | lumbar part cushion body is equipped.

The back pain prevention cushion according to the present invention is the back pain prevention cushion, wherein the lower end portion of the back support includes a second engagement portion having a detachable engagement piece. An annular structure is formed by engaging with an engaging piece of one engaging portion.
The engagement piece of the first engagement portion provided at the upper end of the back support and the engagement piece of the second engagement portion provided at the lower end of the back support are engaged to form an annular structure. By doing so, it is possible to attach the back support even for a chair without a headrest or a chair without a backrest on the waist.

The back pain prevention cushion according to the present invention is a hook-and-loop fastener provided in the insertion hole for inserting the back support or the back support and the surface of the back cushion body in the back pain prevention cushion. It is characterized by that.
Thereby, attachment of a back part support body and a waist cushion body is stabilized, and the height adjustment of a waist cushion body becomes easy simultaneously.

The back pain prevention cushion according to the present invention is characterized in that, in the back pain prevention cushion, the engaging piece and / or the engaging portion is a hook-and-loop fastener.
By using the engagement piece and / or the locking portion as a hook-and-loop fastener, the back support can be easily attached to and removed from the chair and the height can be adjusted.

  ADVANTAGE OF THE INVENTION According to this invention, the cushion for a back pain prevention which can be easily attached or detached also to the chair of various designs can be provided.

It is a perspective view of the cushion for back pain prevention in this invention. It is a figure which shows the state (1st engaging part) which the engagement piece of the cushion for back pain prevention in this invention engaged. It is a rear view of the cushion for back pain prevention in this invention. It is a figure which shows the state which is using the cushion for back pain prevention in this invention for the chair which has a headrest from a side surface. It is a figure which shows the cushion for back pain prevention of this invention which used the hook_and_loop | surface fastener for the connection part. It is a figure which shows the state which is using the cushion for back pain prevention in this invention to the chair without a headrest from a side surface. It is a figure which shows the state which is using the cushion for back pain prevention in this invention to the chair without a headrest from a back surface.

  Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 is a perspective view of a back pain prevention cushion according to the present invention.
Since the back support 1 is disposed along the back of the seated person, it typically has a vertically long shape such as a rectangle. Moreover, the back | bag part support body 1 can be folded compactly at the time of accommodation by setting it as a sheet-like structure.
The length of the back support 1 is preferably 30 to 90 cm in length and 10 to 40 cm in width.

  As a material for the back support 1, a flexible material such as sponge, a plastic material, an air cushion, or the like can be used in addition to a low-resilience material such as low-resilience urethane or polytrimethylene terephthalate (PTT) fiber. Further, a mesh structure may be used to improve air permeability and the like.

  A waist cushion body 2 is attached to the back support 1 by a connecting portion 6. The waist cushion body 2 can use various shaped cushions for preventing back pain. For example, the lumbar cushion body 2 may be a semi-cylindrical horizontally long cushion as shown in FIGS. 1 and 5, or may be a hemispherical cushion as shown in FIG. 5. A plurality of cushions may be used in combination.

  As the cushion material of the lumbar cushion body 2, a flexible material such as sponge, a plastic material, an air cushion, etc. can be used in addition to a low resilience material such as low resilience urethane and polytrimethylene terephthalate (PTT) fiber. .

A first engagement portion 3 composed of one or more engagement pieces is provided at the upper end portion of the back support 1. The engagement pieces engage with other members or engage with each other to form an annular structure.
For example, the first engaging portion 3 can be a pair of engaging pieces. As shown in FIG. 2, the left engagement piece (upper left engagement piece 31) having a hook-and-loop fastener male part, and the right engagement piece (upper right engagement piece 32) having a female part of the hook-and-loop fastener To form an annular structure.

The annular structure formed by the first engaging portion 3 is attached to a headrest such as a chair or a protrusion, and fixes the back support 1 to the chair or the like.
Further, the engagement piece is engaged with the back support 1 so that the back support 1 can be easily attached and detached. The engagement piece that can be engaged and disengaged is preferably a hook-and-loop fastener, but may be formed of a hook or string. Moreover, the length of an engagement piece should just be attachment to a chair etc., Preferably it is 15 cm-45 cm.

FIG. 3 is a rear view of the cushion for preventing back pain according to the present invention.
The lower end of the back support 1 is provided with a locking portion 5 that locks the back surface of the lower end to the back surface of the back support 1 main body. For example, as shown in FIG. 3, the locking portion 5 can be a hook-and-loop fastener male portion, and the back surface portion of the back support 1 can be a hook-and-loop female portion or a back surface portion made of a similar material.

  As shown in FIG. 4, the back support 1 is fixed in a folded state by the back surface portion of the lower end portion being locked to the back surface portion of the main body by the lock portion 5. Therefore, the height of the back support 1 installed on the chair can be adjusted, and the present invention can be applied to chairs with different backrest heights.

  Further, as shown in FIG. 4, the position of the back surface portion of the back support 1 that the locking portion 5 contacts may be the back surface portion below the waist cushion body 2, but the position above the waist cushion body 2. It may be a back surface part. The locking portion is preferably a hook-and-loop fastener, but may be a fastener such as a button or a clip.

The waist cushion body 2 is provided with a connecting portion 6 for attaching the waist cushion body 2 to the back support body 1. The connecting portion 6 not only fixes the waist cushion body 2 and the back support body 1 but also allows the waist cushion body 2 to move (rearrange) on the back support body 1.
Moreover, the connection part 6 may connect the waist | hip | lumbar part cushion body 2 so that attachment or detachment from the back part support body 1 is possible.

  The connecting portion 6 provided in the waist cushion body 2 can be, for example, an insertion hole for inserting the back support body 1 and connecting the back support body 1 and the waist cushion body 2. The insertion hole may be an insertion hole integrated with the waist cushion body 2 as shown in FIGS.

  Further, the connecting portion 6 may be provided on the surface of the waist cushion body 2 and / or the back support body 1. For example, the connecting portion 6 provided on the surfaces of the waist cushion 2 and the back support 1 is a male and female hook-and-loop fastener provided on these surfaces. As shown in FIG. 5, the waist cushion body 2 is composed of a hook-and-loop fastener male part 61 provided on the contact surface of the waist cushion body 2 and a hook-and-loop fastener female part 62 provided on the entire surface of the back support 1. Attached to the back support 1.

  Even after the back pain prevention cushion of the present invention is attached to a chair or the like by the connecting portion 6, the position of the waist cushion body 2 can be adjusted without removing the back support 1.

  A second engagement portion 4 made of one or more engagement pieces is provided at the lower end portion of the back support 1. The engagement piece of the second engagement portion 4 engages with the engagement piece of the first engagement portion 3 to form an annular structure. Further, the engagement piece may form an annular structure by engaging with another member or engaging each other.

For example, as shown in FIGS. 6 and 7, the left engagement piece (lower left engagement piece 41) of the second engagement portion 4 and the left engagement piece (upper left engagement) of the first engagement portion 3. And the right engagement piece (lower end right engagement piece 42) of the second engagement portion and the right engagement piece (upper right engagement piece 32) of the first engagement portion. To form an annular structure.
In this way, the engagement piece of the first engagement portion 3 and the engagement piece of the second engagement portion 4 are engaged, so that the back support 1 is fixed even in a chair without a headrest or the like. can do.

  The engagement pieces of the first engagement portion 3 and the second engagement portion 4 are detachably engaged in order to facilitate attachment / detachment of the back support 1. The engagement piece that can be engaged and disengaged is preferably a hook-and-loop fastener, but may be formed of a hook or string. Moreover, the length of an engagement piece should just be attachment to a chair etc., Preferably it is 15 cm-45 cm.

  Further, as shown in FIG. 7, when the engaging piece is a hook-and-loop fastener, the male and female arrangements of the hook-and-loop fastener of the first engaging portion 3 and the hook-and-loop fastener of the second engaging portion 4 are reversed. The engagement between the engagement piece of the first engagement portion 3 and the engagement piece of the second engagement portion 4 is facilitated.

  As mentioned above, although embodiment of this invention was described, this invention is not limited to the said embodiment, In the range which does not deviate from the summary of this invention, it can be set as various embodiment.

For example, in the present invention, the back support 1 and / or the waist cushion 2 may have a three-dimensional shape that fits the back and / or waist of the seated person.
Further, the back support 1 may be configured by a rod-like or string-like structure instead of a sheet.

  Moreover, the 1st engaging part 3 and the 2nd engaging part 4 are comprised by the single engaging piece, and you may form an annular structure in one engaging piece.

  The present invention provides a cushion for preventing low back pain that can be easily attached and detached not only to car seats and office chairs but also to chairs of various designs.

DESCRIPTION OF SYMBOLS 1 Back support body 2 Lumbar cushion body 3 1st engagement part 4 2nd engagement part 5 Locking part 6 Connection part 31 Upper end left engagement piece 32 Upper end right engagement piece 41 Lower end left engagement piece 42 Lower end right engagement Piece 61 male surface fastener 62 female surface fastener female portion

Claims (4)

A back pain prevention cushion having a back support and a waist cushion body,
The upper end portion of the back support includes a first engagement portion that forms an annular structure with an engagement piece that can be engaged and disengaged,
The lower end of the back support includes a locking portion that locks the back surface of the lower support to the back surface of the back support,
The said lower back cushion body is a cushion for back pain prevention which comprises the connection part which enables the movement of the said lower back cushion body in the said back support body, and connects the said lower back cushion body to the said back support body.   The lower end portion of the back support includes a second engagement portion having an engagement piece that can be engaged and disengaged, and the engagement piece engages with the engagement piece of the first engagement portion to form an annular structure. The lower back pain prevention cushion according to claim 1.   The back pain prevention cushion according to claim 1 or 2, wherein the connecting portion is an insertion hole for inserting the back support, or a hook-and-loop fastener provided on the surfaces of the back support and the waist cushion. The cushion for back pain prevention as described in any one of Claims 1-3 whose engagement piece and / or latching | locking part are hook-and-loop fasteners.

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