CN212233792U

CN212233792U - Adjustable back cushion

Info

Publication number: CN212233792U
Application number: CN202020990031.7U
Authority: CN
Inventors: 雷晨光
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-02
Filing date: 2020-06-02
Publication date: 2020-12-29
Anticipated expiration: 2030-06-02

Abstract

The utility model discloses an adjustable back cushion, which comprises a first surface, wherein the first surface is arranged in the horizontal plane direction; the lower end of the second surface is connected with the right end of the first surface and is vertical to the first surface; the two ends of the third surface are respectively connected with the left end of the first surface and the upper end of the second surface, and the third surface is a convex cambered surface and serves as a backrest surface; the headrest is connected with the top of the second surface through a telescopic rod; the left armrest is rotatably connected with the upper part of the left end of the second surface through a first fastener; and the right armrest is rotatably connected with the upper part of the right end of the second surface through a second fastening piece. The utility model discloses can prevent cervical spondylopathy and lumbar vertebrae disease when guaranteeing human comfortable.

Description

Adjustable back cushion

Technical Field

The utility model relates to a household articles technical field, in particular to adjustable cushion.

Background

With the development of social economy, the requirements of people on living quality are higher, and the back cushion is gradually an indispensable article in life. The back cushion is used for adjusting contact points between a human body and a seat, a bed and the like to obtain a more comfortable angle to relieve fatigue and prevent cervical spondylosis and lumbar spondylosis to a certain extent. The existing back cushions on the market are mainly classified into fabric product back cushions and mechanical structure back cushions, wherein the fabric product back cushions have the advantages of comfort and attractiveness in use, but have the defect of no arm support, the mechanical structure back cushions are mostly applied to automobiles and the like, and the household mechanical structure back cushions are few.

SUMMERY OF THE UTILITY MODEL

To the above problem, the utility model aims at providing a domestic adjustable cushion.

The technical scheme of the utility model as follows:

an adjustable back cushion comprises a first face, wherein the first face is arranged in the horizontal plane direction;

the lower end of the second surface is connected with the right end of the first surface and is vertical to the first surface;

the two ends of the third surface are respectively connected with the left end of the first surface and the upper end of the second surface, and the third surface is a convex cambered surface and serves as a backrest surface;

the headrest is connected with the top of the second surface through a telescopic rod;

the left armrest is rotatably connected with the upper part of the left end of the second surface through a first fastener;

and the right armrest is rotatably connected with the upper part of the right end of the second surface through a second fastening piece.

Preferably, the left armrest and the right armrest are identical in structure, and the first fastening piece and the second fastening piece are identical in structure.

Preferably, the first fastener and the second fastener are bolts or screws, through holes are formed in the tops of the left armrest and the right armrest, and screw rods of the bolts or screws penetrate through the through holes to be in threaded connection with the second surface.

Preferably, the first fastener consists of a first part, a second part, a third part and a fourth part which are sequentially connected and have the same straight line central axes, the first part and the third part have the same structure and are both in a regular prism shape, the second part and the fourth part are both in a cylindrical shape, the radius of the second part is smaller than or equal to the radius of an inscribed circle of the regular prism, and the radius of the fourth part is larger than the radius of a circumscribed circle of the regular prism; the top of the left armrest is provided with a through hole with the same shape as the first part, the top of the second surface is provided with a groove with the same shape as the first part, one end of the first part and one end of the second part are located in the groove, the other end of the second part and the third part are located in the through hole, and the fourth part is located outside the through hole.

Preferably, the number of sides of the regular prism base is 6 or more.

Preferably, the left armrest comprises an arm supporting part and a palm supporting part, and the palm supporting part is connected with the arm supporting part through a damping rotating shaft or a memory alloy.

Preferably, one side of the second surface, which is close to the third surface, is provided with a protruding surface, a cavity is arranged in the protruding surface, and the bottom end of the telescopic rod is arranged in the cavity.

Preferably, the seat further comprises a fourth surface arranged in the horizontal plane direction, and the fourth surface is connected with the left end of the first surface to serve as a seat cushion.

Preferably, the pillow comprises a back cushion cover, the back cushion cover consists of a headrest cover, a back rest sleeve and a handrail sleeve which are separated, and the headrest cover, the back rest sleeve and the handrail sleeve are respectively sleeved on the headrest, the third surface and the handrail.

The utility model has the advantages that:

the height of the headrest can be adjusted by connecting the headrest with the top of the second surface through the telescopic rod, so that the utility model is suitable for people with different heights, and the application range is enlarged; through setting up left handrail pass through fastener one with the left end upper portion of second face is rotated and is connected, right handrail pass through fastener two with the right-hand member upper portion of second face is rotated and is connected, and the user can adjust the angle of handrail according to self demand, improves comfort.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

FIG. 1 is a schematic view of the adjustable back cushion of the present invention;

fig. 2 is a schematic side view of an embodiment of the adjustable back cushion of the present invention;

fig. 3 is a schematic structural view of an embodiment of the second adjustable cushion fastener of the present invention;

fig. 4 is a schematic structural view of an embodiment of the adjustable back cushion telescopic rod of the present invention.

Reference numbers in the figures:

1-a first face, 2-a second face, 3-a third face, 4-a headrest, 5-a telescopic rod, 501-a first threaded rod, 502-a threaded pipe, 503-a second threaded rod, 6-a left armrest, 601-an arm support component, 602-a palm support component, 603-a damping rotating shaft, 7-a fastener II, 701-a first component, 702-a second component, 703-a third component, 704-a fourth component, 8-a right armrest, 9-a convex face, 10-a cavity and 11-a fourth face.

Detailed Description

The present invention will be further explained with reference to the drawings and examples.

It should be noted that, in the present application, the embodiments and the technical features of the embodiments may be combined with each other without conflict.

It is noted that, unless otherwise indicated, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

In the present application, the terms "first", "second", and the like are used for distinguishing similar objects, and not for describing a particular order or sequence order, unless otherwise specified. It is to be understood that the terms so used; the terms "upper", "lower", "left", "right", and the like are used generally with respect to the orientation shown in the drawings, or with respect to the component itself in a vertical, or gravitational orientation; likewise, "inner", "outer", and the like refer to the inner and outer relative to the contours of the components themselves for ease of understanding and description. The above directional terms are not intended to limit the present invention.

As shown in fig. 1-4, an adjustable back cushion comprises a first face 1, wherein the first face 1 is arranged in the horizontal plane direction;

the lower end of the second surface 2 is connected with the right end of the first surface 1, and the second surface 2 is perpendicular to the first surface 1;

the two ends of the third surface 3 are respectively connected with the left end of the first surface 1 and the upper end of the second surface 2, and the third surface 3 is a convex cambered surface and serves as a backrest surface;

the headrest 4 is connected with the top of the second surface 2 through a telescopic rod 5;

the left handrail 6 is rotatably connected with the upper left end of the second face 2 through a first fastener (not shown);

and the right armrest 8 is rotatably connected with the upper part of the right end of the second surface 2 through a second fastener 7.

The left handrail 6 and the right handrail 8 are identical in structure, and the first fastening piece and the second fastening piece 7 are identical in structure.

In a specific embodiment, the first fastening member and the second fastening member 7 are bolts or screws, the top parts of the left handrail 6 and the right handrail 8 are provided with through holes, and the screw shaft parts of the bolts or screws penetrate through the through holes to be in threaded connection with the second surface 2. When the inclination angle of the handrail needs to be adjusted, the bolt or the screw is loosened, the handrail is rotated to a desired angle, and then the bolt or the screw is tightened for fixing.

In another specific embodiment, the second fastener 7 is composed of a first part 701, a second part 702, a third part 703 and a fourth part 704 which are connected in sequence, wherein the central axes of the first part 701 and the third part 703 are collinear, the first part 701 and the third part 703 are in the same structure and are in a regular prism shape, the second part 702 and the fourth part 704 are in a cylindrical shape, the radius of the second part 702 is less than or equal to that of an inscribed circle of the regular prism, and the radius of the fourth part 704 is greater than that of an circumscribed circle of the regular prism; the top of the right armrest 8 is provided with a through hole having the same shape as the first member 701, the top of the second surface 2 is provided with a groove having the same shape as the first member 701, one end of the first member 701 and one end of the second member 702 are located in the groove, the other end of the second member 702 and the third member 703 are located in the through hole, and the fourth member 704 is located outside the through hole. Optionally, the end of the fourth part 704 remote from the third part 703 is provided with a pull ring (not shown) to facilitate the extraction of the second fastener 7.

In the above embodiment, the second member 702 is rotated to the desired angle by pulling out a small section of the second fastener 7 to complete the portion of the second member in the through hole, and then the second fastener 7 is pushed in to position the third member 703 in the through hole, thus fixing the handrail to the desired angle of the user.

Optionally, the regular prism bottom surface is any one of a regular hexagon, a regular octagon, a regular decagon and a regular dodecagon.

In order to improve the comfort of placing the hand, optionally, the left and right armrests both comprise an arm supporting part 601 and a palm supporting part 602, the palm supporting part 602 is connected with the arm supporting part 601 through a damping rotating shaft 603 or a memory alloy, the damping rotating shaft is the prior art, the specific structure is not repeated here, and optionally, the left and right armrests can be connected through other materials such as plastics and carbon steel for a lazy mobile phone support. The arm and the palm are in a comfortable position by adjusting the included angle between the palm support part 602 and the arm support part 601.

In order to minimize the distance between the headrest 4 and the second surface 2, optionally, a protruding surface 9 is disposed on one side of the second surface 2 close to the third surface 3, a cavity 10 is disposed in the protruding surface 9, and the bottom end of the telescopic rod 5 is disposed in the cavity 10. The telescopic rod 5 in this embodiment can adopt similar principles such as a telescopic rod for a trunk and a telescopic rod for an umbrella, and the specific structure is the prior art and is not described herein again.

In another specific embodiment, the telescopic rod 5 comprises a first threaded rod 501, a threaded pipe 502 and a second threaded rod 503 which are connected in sequence, the thread rotating directions of the first threaded rod 501 and the second threaded rod 503 are opposite, and the length of the telescopic rod 5 is adjusted by rotating the threaded pipe 502.

In order to make the utility model discloses can use on the furniture such as only the bench, adjustable cushion still includes and sets up the fourth face 11 on the horizontal plane direction as the cushion, the thickness less than or equal to of fourth face 11 the thickness of first face 1, fourth face 11 with the left end of first face 1 links to each other, just the bottom of fourth face 11 with the bottom of first face 1 is in on the same horizontal plane.

In order to improve the travelling comfort, the adjustable cushion still includes the back cushion cover (not shown in the figure), the back cushion cover comprises detached headrest cover, leans against the cover and holds up the gloves, headrest cover, lean against cover, handrail cover are established respectively on headrest, third and handrail. The back cushion cover is made of sponge, breathable cotton pad, flannelette and the like.

The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above embodiments, and although the present invention has been disclosed with the preferred embodiments, it is not limited to the present invention, and any skilled person in the art can make some modifications or equivalent embodiments without departing from the scope of the present invention, but all the technical matters of the present invention are within the scope of the present invention.

Claims

1. An adjustable back cushion is characterized by comprising a first surface, wherein the first surface is arranged in the horizontal plane direction;

2. The adjustable back cushion of claim 1, wherein the left armrest and the right armrest are identical in construction, and the first fastener and the second fastener are identical in construction.

3. The adjustable cushion according to claim 2, wherein the first and second fasteners are bolts or screws, the top portions of the left and right armrests are provided with through holes, and the screw portions of the bolts or screws penetrate through the through holes to be in threaded connection with the second surface.

4. The adjustable cushion according to claim 2, wherein the first fastening member is composed of a first member, a second member, a third member and a fourth member which are connected in sequence and have the same central axis, the first member and the third member are in the same structure and are in a regular prism shape, the second member and the fourth member are in a cylindrical shape, the radius of the second member is smaller than or equal to the radius of an inscribed circle of the regular prism, and the radius of the fourth member is larger than the radius of a circumscribed circle of the regular prism; the top of the left armrest is provided with a through hole with the same shape as the first part, the top of the second surface is provided with a groove with the same shape as the first part, one end of the first part and one end of the second part are located in the groove, the other end of the second part and the third part are located in the through hole, and the fourth part is located outside the through hole.

5. The adjustable cushion of claim 4, wherein the number of sides of the regular prism bottom surface is greater than or equal to 6.

6. The adjustable back cushion of claim 2, wherein the left armrest comprises an arm support member and a palm support member, and the palm support member and the arm support member are connected through a damping shaft or a memory alloy.

7. The adjustable back cushion of claim 1, wherein a side of the second face adjacent to the third face is provided with a protruding face, a cavity is provided in the protruding face, and a bottom end of the telescoping rod is provided in the cavity.

8. The adjustable cushion of claim 1, further comprising a fourth surface disposed in a horizontal plane, the fourth surface being connected to a left end of the first surface as a seat cushion.

9. The adjustable back cushion according to any one of claims 1-8, further comprising a back cushion cover, the back cushion cover is composed of a headrest cover, a back rest cover, and armrests cover, which are separately fitted over the headrest cover, the back rest cover, and the armrests cover, respectively.