JP3103630U - Chair back cushion device - Google Patents

Abstract

An object of the present invention is to provide a backrest cushion device for a chair that conforms to ergonomics and provides the user with a comfortable feeling of use.
A chair back cushion device provided with a cushion cover (10) and a main cushion (20), a main cover (11) for accommodating the main cushion in the cushion cover, and a fixed portion for attaching the back cushion device to the chair back. The cushion is made of integrally formed low resilience memory cotton, a first arc-shaped convex portion 21 is provided at a position corresponding to the human neck at the upper end of the outer surface, and an arc-shaped concave portion 22 is provided at a position corresponding to the human back. A second arcuate projection 23 is provided at a position corresponding to the waist of the human body, and the height of the second arcuate projection is greater than that of the first arcuate projection. Thus, a back cushion device conforming to ergonomics is constituted.
[Selection diagram] Fig. 1

Description

  The present invention relates to a backrest cushion device for a chair, and more particularly, to a backrest cushion device for a chair that allows a user to comfortably recline.

  Generally, an automobile chair, especially a driver's seat, has a large covering area between itself and a human body in order to enhance the supporting action on the human body, and the entire chair structure includes a frame as a main supporting structure and a frame as a main supporting structure. Elastic cushions made of elastic foam material are provided to increase the comfort when the user sits, and the outer layer of the whole chair is covered with a cover, so that the structure of the whole chair is more integrated It is said to have an aesthetic appearance.

  Accordingly, when the user sits on the chair, it is easy to form a situation where the user is not comfortable when sitting due to the difference in the elastic coefficient of the elastic cushion. In addition, some users always lean backwards, creating a space between their lower back and the chair, causing back pain when sitting for a long time, and even worse scoliosis due to poor sitting posture. Symptoms may occur.

  The present invention provides a kind of chair back cushion device. The present invention comprises a cushion cover and a main cushion, wherein the cushion cover is provided with a main cover and a fixing portion, and the main cushion is formed of a memory foam having low resilience and is fitted into the main cover. In the device, the main cushion is made of integrally formed low resilience memory cotton, a first arc projection is provided at a position corresponding to the human neck at the upper end of the outer surface, and an arc recess is provided at a position corresponding to the back of the human body. A second cushion convex portion is provided at a position corresponding to a human waist, and is formed so as to conform to ergonomics.

  An object of the present invention is to arrange a first arc-shaped convex portion, an arc-shaped concave portion, and a second arc-shaped convex portion in order from the top to the bottom, and when a user sits on a chair, the neck, the back, and the waist are completely supported by the backrest cushion device. An object of the present invention is to provide a backrest cushion device of a chair which can be abutted and thereby comfortably sunk the user.

  Another object of the present invention is to form the main cushion from low-rebound memory cotton so that it has the function of anti-vibration, low-rebound, breathability and 100% automatic recovery, as well as by external factors. An object of the present invention is to provide a backrest cushion device for a chair which has a function of reducing formed internal pressure and is more comfortable for the user to use.

  Still another object of the present invention is to provide wings on both sides of the main cover, install wing cushions in each of the two wings, form the wing cushions with low-rebound memory cotton, and use the wings as chairs. The main cover can be completely folded and unfolded according to the size of the chair, and the main cover can be completely held on the chair.

  Still another object of the present invention is to provide a seat cushion and a head cushion that can be used in combination with a backrest cushion device, a low-elasticity cushion is housed inside the seat cushion and the head cushion, and the user can completely rest on a chair. The purpose is to be able to stalk.

The invention of claim 1 is a chair back cushion device provided with a cushion cover and a main cushion, a main cover for housing the main cushion in the cushion cover, and a fixing portion for attaching the back cushion device to the back of the chair.
The main cushion is formed of integrally formed low resilience memory cotton, a first arc convex portion is provided at a position corresponding to the human neck at the upper end of the outer surface, and an arc concave portion is provided at a position corresponding to the human back. A second arc-shaped projection is provided at a position corresponding to the waist, and the height of the second arc-shaped projection is greater than that of the first arc-shaped projection. The backrest cushion device according to the present invention is characterized by a backrest cushion device conforming to engineering.
According to a second aspect of the present invention, there is provided the chair cushion device according to the first aspect, wherein wings are provided on both sides of the cushion cover, the wing cushions are provided in the wings, and the wing cushions have low rebound memory. A chair back cushion device characterized by being formed of cotton.
According to a third aspect of the present invention, in the backrest cushion device for a chair according to the second aspect, the wings on both sides of the cushion cover are provided on both sides of the main cover of the cushion cover so as to be foldable. It is a cushion device.
According to a fourth aspect of the present invention, in the backrest cushion device for a chair according to the first aspect, the fixing portion is a cover formed of cloth, a fitting hole is formed in the cover, and the backrest cushion device is attached to the chair by the cover. A chair backrest cushion device characterized by being fixed.
According to a fifth aspect of the present invention, there is provided the chair back cushion device according to the first aspect, wherein the fixing portion is a stop band.
According to a sixth aspect of the present invention, there is provided a back cushion device for a chair according to the first aspect, wherein a seat cushion and a head cushion combined with the chair are further combined with the back cushion device. .
According to a seventh aspect of the present invention, there is provided the backrest cushion device for a chair according to the sixth aspect, wherein a low-rebound memory cotton is provided in the seat cushion and the head cushion, the seat cushion is provided in a seat portion of the chair, and the head cushion is provided in the chair. The seat back cushion device is characterized by being installed on a headrest of a chair.
The invention according to claim 8 is the chair back cushion device according to claim 6, characterized in that the seat cushion and the head cushion are provided with adhesive bands.
According to a ninth aspect of the present invention, there is provided the chair back cushion device according to the sixth aspect, wherein a fastening band is provided on the seat cushion and the head cushion.

  According to the present invention, a back cushion device includes a cushion cover and a main cushion, and a main cover for accommodating the main cushion in the cushion cover, and a back cushion device for a chair provided with a fixing portion for attaching the back cushion device to the back of the chair. , The main cushion is made of integrally formed low resilience memory cotton, a first arc convex portion is provided at a position corresponding to the human neck at the upper end of the outer surface, and an arc concave portion is provided at a position corresponding to the human back. A second arc-shaped projection is provided at a position corresponding to the human waist, and the height of the second arc-shaped projection is greater than that of the first arc-shaped projection; the first arc-shaped projection, the arc-shaped depression, and the second arc-shaped projection This provides the effect of conforming to ergonomics and allowing the back to rest comfortably.

  As shown in FIGS. 1 to 3, the back cushion device for a chair according to the present invention includes a cushion cover 10 and a main cushion 20.

  The cushion cover 10 includes a main cover 11 and a fixing portion 12, and has an opening end at a position of the main cover 11 of the cushion cover 10, a slide fastener 13 is provided at the opening end, and an opening end is formed by the slide fastener 13. It can be opened and closed, and the fixing portion 12 is used for installing the cushion cover 10 on the chair 30.

  The main cushion 20 is formed of low rebound memory cotton, and is installed in the main cover 11. A first arc-shaped convex portion 21 is provided at a position corresponding to a human neck at the upper end of the outer surface of the main cushion 20. An arcuate recess 22 is provided at a position corresponding to the back, a second arcuate protrusion 23 is provided at a position corresponding to the human waist, and the protruding height of the second arcuate protrusion 23 is greater than that of the first arcuate protrusion 21, Thereby, the main cushion 20 conforming to ergonomics is constituted.

  Thus, the entire backrest cushion device 1 is installed on the backrest 32 of the chair 30 by using the fixing part 12, and the neck, the back and the waist are completely when the user sits down by the main cushion 20 conforming to ergonomics. The main cushion 20 itself, which is in contact with the first arc-shaped convex portion 21, the arc-shaped concave portion 22, and the second arc-shaped convex portion 23 and made of low-resilient memory cotton, has a vibration-proofing property, a low resilience property, air permeability, and 100% recovery. It provides comfort to the user due to its gender and the ability to reduce the internal pressure created by external factors.

  As shown in FIGS. 1 to 4, in the present invention, wing portions 14 are provided on both sides of the cushion cover 10, and wing portion cushions 40 are provided in the two wing portions 14, respectively. The wing portion 14 is made of a low-elasticity memory cotton, and the wing portion 14 can be folded and unfolded on the cushion cover 10, whereby the entire backrest cushion device 1 can be adjusted according to the size of the chair 30. The cover 11 is completely set on the chair 30 so that the user can comfortably recline.

  The fixing portion 12 attaches the back cushion device 1 to the chair 30 by a fitting method. As shown in FIGS. 2 and 3, the fixing portion 12 is a cover made of a soft cloth, and a fitting opening 15 is provided in the fixing portion 12. 1 can be attached to the chair 30. In addition, the back cushion device 1 can be fixed to the chair 30 by using the stop band 16, so that the phenomenon that the back cushion device 1 slides down or falls off the chair 30 does not occur.

  As shown in FIG. 5, the seat cushion 50 and the head cushion 60 can be further combined with the back cushion device 1 on the chair 30. Referring also to FIG. 2, low rebound memory cotton is also provided inside the seat cushion 50 and the head cushion 60. The seat cushion 50 is installed on the seat portion 33 of the chair 30, and an adhesive band is provided on the bottom of the seat cushion 50. 51 is provided and attached to the sheet portion 33 by the adhesive band 51. The head cushion 60 is attached to the headrest 31 of the chair 30, and a fastening band 61 is also provided on the head cushion 60, and the head cushion 60 is attached to the headrest 31 by the fastening band 61. When the user sits on the chair 30, the back cushion device 1, the seat cushion 50, and the head cushion 60 provide an effect that the user can sit comfortably and have his back rested.

  In addition, the back cushion device 1 and the head cushion 60 can be attached to the chair 60 with the fastening bands 16 and 61, or can be attached to the chair 30 using an adhesive band. Further, the seat cushion 50 can also be attached to the seat portion 33 of the chair 30 by using a fastening band.

FIG. 2 is an exploded view of the present invention. It is a side view of the state where the present invention was installed in a chair. It is a rear view of the present invention. It is a display figure after folding of the present invention. FIG. 4 is another embodiment of the present invention.

Explanation of reference numerals

DESCRIPTION OF SYMBOLS 10 Cushion cover 11 Main cover 12 Fixed part 13 Slide fastener 14 Wing part 15 Fitting opening 16 Stopper band 20 Main cushion 21 First arc convex part 22 Arc concave part 23 Second arc convex part 30 Chair 32 Backrest 33 Seat part 31 Headrest 40 Wing cushion 50 Seat cushion 51 Adhesive band 61 Fastening band

Claims (9)

In the backrest cushion device of a chair provided with a cushion cover and a main cushion, a main cover for housing the main cushion in the cushion cover, and a fixing portion for attaching the back cushion device to the back of the chair,
The main cushion is formed of integrally formed low resilience memory cotton, a first arc convex portion is provided at a position corresponding to the human neck at the upper end of the outer surface, and an arc concave portion is provided at a position corresponding to the human back. A second arc-shaped projection is provided at a position corresponding to the waist, and the height of the second arc-shaped projection is greater than that of the first arc-shaped projection. A back cushion device for a chair, wherein the back cushion device conforms to engineering.   2. The backrest cushion device for a chair according to claim 1, wherein wings are provided on both sides of the cushion cover, the wing cushions are provided in the wings, and the wing cushions are formed of low-rebound memory cotton. Characterized by a chair back cushion device.   3. The backrest cushion device for a chair according to claim 2, wherein the wings on both sides of the cushion cover are on both sides of the main cover of the cushion cover and are foldable.   2. The backrest cushion device for a chair according to claim 1, wherein the fixing portion is a cover formed of cloth, a fitting opening is formed in the cover, and the backrest cushion device is fixed to the chair by the cover. The chair back cushion device.   The backrest cushion device for a chair according to claim 1, wherein the fixing portion is a stop band.   2. The back cushion device for a chair according to claim 1, wherein a seat cushion and a head cushion combined with the chair are further combined with the back cushion device.   7. The backrest cushion device for a chair according to claim 6, wherein a low-rebound memory cotton is provided in the seat cushion and the head cushion, the seat cushion is installed in a seat portion of the chair, and the head cushion is installed in a headrest of the chair. A backrest cushion device for a chair.   The backrest cushion device for a chair according to claim 6, wherein an adhesive band is provided on the seat cushion and the head cushion. The backrest cushion device for a chair according to claim 6, wherein a fastening band is provided on the seat cushion and the head cushion.

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