CN219460713U - Back cushion - Google Patents

Abstract

The application provides a back rest, which comprises a waist back supporting part and a back hip supporting part, wherein the waist back supporting part comprises a central concave area and an annular supporting area surrounding the central concave area, and the annular supporting area can be used for supporting latissimus dorsi muscles and trapezius muscles of a user; the back hip supporting part is connected with the waist back supporting part, and the outer edge line of the side edge of the back hip supporting part connected with the waist back supporting part is a curve concave inwards towards the central line direction of the headrest; the rear hip supporting part comprises a first side wing and a second side wing, the first side wing and the second side wing are symmetrically arranged, and the outer edge line of the side edge connected with the first side wing and the second side wing is a concave curve. The back cushion can support the latissimus dorsi and trapezius of a human body, can wrap the back muscles of a user, and relieves muscle soreness; the back buttock supporting part can play a supporting role on buttock muscles of a user, design of unnecessary supporting parts is removed, the whole size of the headrest is reduced, and the headrest is small and convenient.

Description

Back cushion

Technical Field

The application relates to the technical field of back rests, in particular to a back rest.

Background

Based on the increase of the sedentary time of modern people, most people are deeply influenced by patients caused by bad sitting postures, especially in computer workers, most computer workers are prone to generating waist fatigue after long-term sedentary before sitting on a computer, and based on the fact, various back rests appear on the market to help users correct sitting postures and relieve waist fatigue.

The prior art can refer to the Chinese patent with the application number of CN208550617U, and provides a back cushion, which comprises a back cushion body, wherein the front side of the back cushion body is provided with a vertical lumbar support arc protrusion, and the lumbar support arc protrusion is provided with a lumbar support surface which is matched with the radian of the lumbar of a human body; the back cushion body is provided with a transverse supporting cambered surface at the rear side, and a neck supporting concave part for the neck of a human body to be adapted and clamped in is arranged on the transverse supporting cambered surface. The lumbar support arc is arranged in the middle of the back cushion body, and vertical support lateral edges are respectively arranged on the left side and the right side of the lumbar support arc at the front side of the back cushion body.

In the above patent, the cushion body is basically rectangular, however, according to the drawing of the specification, the cushion body is larger, when a user uses the cushion, the vertical support side edges can support lumbar muscles at two sides of lumbar vertebra, then the cushion occupies larger space, the cushion is inconvenient to use on a small-space seat, only the vertical support side edges only support lumbar muscles at two sides of lumbar vertebra of the user, the support is too single, the direction of the back muscle of the human body is not simple vertical, the back muscle of the human body also comprises latissimus dorsi, trapezius and the like, the trapezius comprises an upper part, a middle part and a lower part, the trapezius is in an inverted triangle, and the lower part of the trapezius is positioned between two shoulder blades of the back of the human body; the latissimus dorsi is also positioned at two sides of the lower part of the trapezius, and the outline between the latissimus dorsi on the left and right sides is in an inverted V shape at the back, which means that the latissimus dorsi is not in a straight line at two sides of the lumbar vertebra; the long-time sitting can cause aching pain and strain on the lower parts of the trapezius muscles and the trapezius muscles, and the vertical support side edges of the headrest can not have a good supporting effect on the lower parts of the trapezius muscles and the trapezius muscles, so that the fatigue of the trapezius muscles can not be relieved.

Disclosure of Invention

To above-mentioned technical problem, this application provides a back rest, and it has set up back supporting part and is used for supporting the back on the basis of the structure of human back trapezius and latissimus dorsi, can play comparatively accurate support to latissimus dorsi and the well lower part of trapezius, helps the user to alleviate the muscle soreness on back to the maximize.

The application provides a headrest, the headrest includes:

a lumbar support portion comprising a central concave region and an annular support region surrounding the central concave region, the annular support region being operable to support latissimus dorsi, trapezius muscles of a user;

the back hip support part is connected with the waist back support part, and the outer edge line of the side edge of the connection between the back hip support part and the waist back support part is a curve concave inwards towards the central line direction of the headrest;

the rear hip supporting part comprises a first side wing and a second side wing, the first side wing and the second side wing are symmetrically arranged, and the outer edge line of the side edge connected with the first side wing and the second side wing is a concave curve.

Compared with the prior art, the back rest comprises the waist back supporting part and the back hip supporting part which are connected with each other, wherein the waist back supporting part is used for supporting the waist back part of a user, the waist back supporting part comprises the annular supporting area and the central concave area, the annular supporting area can support the latissimus dorsi and the trapezius of the human body based on the distribution and the shape of the latissimus dorsi and the trapezius of the human body, and is matched with the central concave area, a certain wrapping effect can be provided for the back muscles of the user, the effect of relieving ache is achieved for the back muscles of the user, compared with the vertical supporting side edges in the prior art, the annular supporting area is matched with the central concave area, the annular supporting area is provided with annular convex strips, and the annular convex strips of the annular supporting area can play a relatively targeted supporting effect for some muscles of the back; the back hip support part is used for supporting the waist and back support part, so that the waist and back support part can support trapezius muscles, latissimus dorsi muscles and the like of the waist and back, and the back hip support part can support hip muscles of a user, such as middle gluteus medius muscle, large gluteus muscle and lower dorsiflexus muscles near the buttocks; besides, the outer edge line of the side edge of the connection between the back hip supporting part and the waist back supporting part is a concave curve, so that the design of the back rest and unnecessary supporting parts is removed outside the accurate supporting of the back rest to the required supporting parts, the whole volume of the back rest is reduced, and the back rest is small and convenient, but is not too large.

Further, an included angle θ1 between the waist and back supporting portion and the outer edge of the side edge connected with the back and hip supporting portion is an obtuse angle.

Further, an included angle θ2 between the outer edges of the side edges where the first side wing and the second side wing are connected is an acute angle.

Further, a through hole is formed in the center of the central concave area.

Furthermore, the back hip support part is provided with an inclined groove, and the inclined groove is inclined to the center of the waist and back support part.

Further, the first side wing, the second side wing and the annular supporting region respectively comprise a maximum thickness region and a free end, and the thickness of the first side wing, the second side wing and the annular supporting region gradually decreases from each maximum thickness region towards the center direction of the lumbar support and the free end direction.

Further, the maximum thickness of the annular supporting area is L1, the maximum thickness of the rear hip supporting portion is L2, and the thickness of the bottom of the central concave area is L3, wherein L1> L2> L3.

Further, the side edge outer edge lines of the annular supporting area, the first side wing and the second side wing are smooth arc-shaped outer convex lines.

Further, the back cushion comprises a pillow core and a pillowcase, wherein the pillowcase is provided with an inner space, and the inner wall of the inner space is attached to the outer wall of the pillow core.

Further, the pillowcase is provided with a connecting piece, and the connecting piece is used for opening and closing the inner space.

The back cushion has the following effects:

the annular supporting area is matched with the central concave area, so that the latissimus dorsi and trapezius muscles of the back of a user can be supported and wrapped, and the pain relief of the back muscles is enhanced;

by arranging the first side wing and the second side wing, the device can play a supporting role on gluteus medius, gluteus maximus and lower dorsum muscle near the buttocks at two sides of the lumbar of a user;

through the arrangement of the through holes, the headrest has a ventilation effect, so that the user can reduce the stuffy feeling when using the headrest in hot weather;

by arranging the inclined grooves on the rear hip supporting parts, the first side wings and the second side wings can be more protruded, and the supporting effect is better;

the design of unnecessary support of the headrest can be reduced by arranging the side edge line connected with the back support part and the rear hip support part into a concave curve, so that the volume of the headrest is reduced, and the headrest can be suitable for a smaller seat space;

through setting up the pillowcase, then be convenient for maintain the back cushion and clean back cushion, the connecting piece can conveniently change the pillowcase.

Drawings

FIG. 1 is a schematic perspective view of a headrest according to an embodiment of the present application;

FIG. 2 is a schematic front view of a headrest of an embodiment of the present application;

FIG. 3 is a schematic side view of a headrest of an embodiment of the present application;

FIG. 4 is a second schematic side view of a headrest of an embodiment of the present application;

FIG. 5 is a schematic cross-sectional view of a headrest of an embodiment of the present application;

FIG. 6 is a schematic cross-sectional view of a headrest of an embodiment of the present application;

FIG. 7 is a schematic cross-sectional view of a headrest of an embodiment of the application.

Reference numerals: 1. a headrest; 11. a lumbar support portion; 111. an annular support region; 112. a central concave region; 12. a rear hip support portion; 121. a first side wing; 122. a second side wing; 123. an inclined groove; 13. and a through hole.

Detailed Description

In order to better understand the technical solutions of the present disclosure, the present disclosure will be described in detail, clearly and completely with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present disclosure.

In the description of the present application, the description of the first and second is only for the purpose of distinguishing technical features, and should not be construed as indicating or implying relative importance or implying the number of technical features indicated or the precedence of the technical features indicated.

It will be appreciated by those skilled in the art that in the disclosure of the present application, the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," etc. refer to an orientation or positional relationship based on that shown in the drawings, which is merely for convenience of description and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and therefore the above terms should not be construed as limiting the present application.

The present application will be described in further detail with reference to the accompanying drawings, see for example fig. 1 to 7.

As shown in fig. 1 and 2, the present application provides a headrest, wherein the headrest 1 includes a lumbar support portion 11 and a rear hip support portion 12 connected to each other, and when the user uses the headrest 1, the rear hip support portion 12 is used for supporting muscles such as gluteus maximus, gluteus medius, and lower dorsiflexus near the buttocks, and the lumbar support portion 11 is used for supporting muscles including latissimus dorsi, trapezius, and lower dorsiflexus:

as shown in fig. 1 and 2, the lumbar support portion 11 includes a central concave region 112 and an annular support region 111 surrounding the central concave region 112, the annular support region 111 is designed based on the latissimus dorsi structure and the trapezius structure of the back of a human body, and the annular support region 111 is matched with the central concave region 112, so that a wrapping effect can be achieved on muscles of the back of a user, a supporting effect on the muscles is enhanced, and pain relief of the muscles is enhanced.

As shown in fig. 1 and 2, the back support portion 12 supports the lumbar support portion 11, and the outer edge line of the side edge of the back support portion 12 connected with the lumbar support portion 11 is a curve concave inwards towards the central line direction of the headrest 1, so that the headrest 1 accurately supports the required support portion, and the design of the required support portion and the unnecessary support portion is removed, the overall volume of the headrest 1 is reduced, the headrest 1 is small and convenient, and the headrest cannot be too large;

as shown in fig. 1 and 2, based on the muscle distribution of the human body, the back hip supporting portion 12 includes a first side wing 121 and a second side wing 122, where the first side wing 121 and the second side wing 122 are symmetrically disposed, the first side wing 121 and the second side wing 122 can accurately support the muscles such as the lower dorsum muscle, the gluteus medius and the gluteus maximus on two sides of the lumbar vertebra of the user, and the outer edge line of the side edge where the first side wing 121 and the second side wing 122 are connected is a concave curve, so that the middle of the first side wing 121 and the second side wing 122 is provided with a groove, thereby the back hip supporting portion 12 is matched with the muscle of the back hip position of the human body, the user can more fit the buttocks and the back during use, and the whole volume of the headrest 1 can be reduced.

Preferably, the radian of the annular protruding strip of the annular supporting area 111 is greater than 180 degrees, and the annular protruding strip greater than 180 degrees can better support the lower part of the user's latissimus dorsi and trapezius.

Based on the above embodiment, in another embodiment of the present application, as shown in fig. 2, the included angle θ1 of the outer edge of the side edge where the lumbar support portion 11 and the rear hip support portion 12 are connected is an obtuse angle, and the included angle θ1 is set to be an obtuse angle based on the difference between the positions where the two support portions need to be emphasized and supported, so that the unnecessary support positions can be reduced more, the volume of the headrest 1 can be reduced, and the respective supports of the two support portions can be further concentrated, and the supporting effect is better.

Based on the above embodiment, in another embodiment of the present application, as shown in fig. 2, the included angle θ2 of the outer edge of the side edge where the first side wing 121 and the second side wing 122 are connected is an acute angle, and the included angle θ2 is set to be an acute angle, so that the first side wing 121 and the second side wing 122 of the headrest 1 can be attached to the hip and waist of the human body, and when the first side wing 121 and the second side wing 122 are used as supporting points, the stress is concentrated in the middle part, and the force is not easy to be skewed.

Based on the above embodiment, in another embodiment of the present application, as shown in fig. 1 and 2, the center of the central concave area 112 is provided with the through hole 13, and the through hole 13 is disposed at the center of the central concave area 112 and is also the opposite center of the lumbar support portion 11, so that the stress distribution of the headrest 1 is not affected, and the through hole 13 has ventilation effect, so that the user can reduce the stuffy feeling when using the headrest 1 in hot weather.

Based on the above embodiment, in another embodiment of the present application, as shown in fig. 1, 2 and 6, an oblique groove 123 is provided on the back hip supporting portion 12, the oblique groove 123 is inclined toward the center of the lumbar support portion 11, the oblique groove 123 is in a basic fan shape, the oblique groove 123 is set based on the physiological curved surface of the back hip of the human body, and the oblique groove 123 can be attached to the surface of the back hip of the user, so as to improve the fit feeling of the user, make the back hip supporting portion 12 have supporting and wrapping effects on the hip muscle of the user, and reduce the pressure of the hip muscle of the user, so as to further increase the fatigue relief on the hip muscle.

Based on the above embodiment, in another embodiment of the present application, as shown in fig. 1, 4 and 5, the first side wing 121, the second side wing 122 and the annular supporting region 111 respectively include a maximum thickness region and a free end, as shown in fig. 6 and 7, the thickness of the first side wing 121, the second side wing 122 and the annular supporting region 111 gradually decreases from each maximum thickness region toward the center direction of the lumbar support portion 11 and the free end direction, so that the maximum thickness region of the headrest 1 is protruded, the overall volume of the headrest 1 is reduced, as shown in fig. 1 and 5, the maximum thickness region of the annular supporting region 111 is also annular, the free end of the annular supporting region 111 is an outer edge end, as shown in fig. 1, the maximum thickness region of the first side wing 121 and the second side wing 122 is located at one end close to the respective free end, and the thickness of the respective free end is smaller than the thickness of the maximum thickness region, and the maximum thickness region is set, so that the supporting effect of the supporting point on muscles is better, and the fatigue relieving effect on muscles is more obvious.

Based on the above embodiment, in another embodiment of the present application, as shown in fig. 4 and 5, the maximum thickness of the annular supporting area 111 is L1, the maximum thickness of the rear hip supporting portion 12 is L2, and the thickness of the bottom of the central concave area 112 is L3, where L1> L2> L3, this arrangement has the advantage that the overall supporting curve of the side of the headrest 1 contacting the lumbar and back of the user is more consistent with the S curve of the lumbar and back of the user in the correct sitting posture, so as to assist the user in sitting in the correct sitting posture.

Based on the above embodiment, in another embodiment of the present application, as shown in fig. 4 and 5, the outer edge lines of the sides of the annular supporting area 111, the first side wing 121 and the second side wing 122 are smooth arc-shaped outer convex lines, so that the aesthetic property and the touch comfort of the headrest 1 can be improved.

Based on the above embodiment, in another embodiment of the present application, the headrest 1 includes a pillow core and a pillowcase, the pillowcase has an inner space, and an inner wall of the inner space is attached to an outer wall of the pillow core. The pillow core is made of a material with flexibility and low rebound resilience, such as memory cotton, which can provide a comfortable use feeling for users, and the pillow core is not easily damaged when the users stretch, compress and bend the pillow core in normal use; the pillowcase is provided with an inner space, the pillowcase is sleeved on the pillow core, the inner wall of the inner space is attached to the outer wall of the pillow core, and the pillowcase has certain flexibility and elasticity, so that the pillowcase can not be easily damaged when being stretched and folded in normal use of a user;

based on the above-mentioned embodiment, in another embodiment of the present application, the pillowcase has a connecting piece, and the connecting piece is used for opening and closing the interior space, and the setting of connecting piece can be convenient for the user to change the pillowcase, and the convenience is clean, maintain pillowcase, pillow to increase the life of headrest 1.

Furthermore, the connecting piece can be arranged on the outer edge line of the side edge of the headrest 1, so that the normal use of a user can not be influenced, and the division and combination of the pillowcase and the pillow core are convenient. The attachment means are exemplified by, but not limited to, a zipper, velcro, button, tie, etc.

In actual use, as shown in fig. 1, the headrest 1 is placed on the back of a user, the oblique groove 123 of the rear hip supporting part 12 is attached to the rear hip of the user, the rear hip supporting part 12 supports and wraps the gluteus maximus, the gluteus medius and the lower dorsiflexus near the buttocks of the user, the pressure of certain muscles of the buttocks of the user is relieved, and the fatigue of related muscles is relieved; the lumbar support portion 11 plays a role in supporting the lower back muscle, latissimus dorsi and trapezius muscle of the back of the user upwards, and the annular support region 111 on the lumbar support portion 11 can be based on the structures of the latissimus dorsi and trapezius muscle, so that the relevant back muscles are supported more accurately; the annular support region 111 cooperates with the central concave region 112 to wrap the back of the user to enhance fatigue relief to the back muscles of the user; and based on the thickness cooperation setting of each supporting area, assist the user to sit in the exact position of sitting.

The foregoing has outlined rather broadly the principles and embodiments of the present application in order that the detailed description of the utility model may be better understood, and in order that the present application may be better understood. It should be noted that it would be obvious to those skilled in the art that various improvements and modifications can be made to the present application without departing from the principles of the present application, and such improvements and modifications fall within the scope of the claims of the present application.

Claims (10)

1. A headrest, characterized in that the headrest (1) comprises:

a lumbar support (11), the lumbar support (11) comprising a central concave region (112) and an annular support region (111) surrounding the central concave region (112), the annular support region (111) being usable for supporting latissimus dorsi, trapezius muscles to a user;

the back hip support part (12), the back hip support part (12) is connected with the waist back support part (11), and the lateral edge line of the connection of the back hip support part (12) and the waist back support part (11) is a curve concave inwards towards the central line direction of the headrest (1);

the rear hip supporting part (12) comprises a first side wing (121) and a second side wing (122), the first side wing (121) and the second side wing (122) are symmetrically arranged, and the outer edge line of the side edge, connected with the first side wing (121) and the second side wing (122), is a concave curve.

2. A headrest as claimed in claim 1, wherein the angle θ1 between the side edges of the back support portion (11) and the rear hip support portion (12) is an obtuse angle.

3. A headrest as claimed in claim 1 wherein the angle θ2 between the outer edges of the sides of the first and second side wings (121, 122) is acute.

4. A headrest as claimed in claim 1 wherein the central recessed region (112) is centrally provided with a through hole (13).

5. A headrest according to claim 1, characterized in that the rear hip support (12) is provided with an inclined groove (123), the inclined groove (123) being inclined towards the centre of the lumbar support (11).

6. A headrest as claimed in claim 1 wherein the first (121), second (122) and annular support regions (111) comprise respective regions of maximum thickness and free ends, the thickness of the first (121), second (122) and annular support regions (111) decreasing from each region of maximum thickness in the direction of the central, free end of the lumbar support (11).

7. A headrest as claimed in claim 6 wherein the annular support region (111) has a maximum thickness L1, the rear hip support portion (12) has a maximum thickness L2, and the bottom of the central recessed region (112) has a thickness L3, wherein L1> L2> L3.

8. A headrest as claimed in claim 1 wherein the side edges of the annular support region (111), the first side wing (121) and the second side wing (122) are smooth arcuate outer convex lines.

9. A headrest as claimed in any one of claims 1 to 8 wherein the headrest (1) comprises a pillow core and a pillow cover, the pillow cover having an interior space, the interior wall of the interior space being in registry with the outer wall of the pillow core.

10. A headrest according to any of claim 9 wherein said pillowcase has a connector for opening and closing said interior space.