CN209862979U

CN209862979U - Movable backrest device on bed

Info

Publication number: CN209862979U
Application number: CN201920570095.9U
Authority: CN
Inventors: 邢冬冬
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-04-24
Filing date: 2019-04-24
Publication date: 2019-12-31
Anticipated expiration: 2029-04-24

Abstract

The utility model discloses a movable backrest device on a bed, which comprises a backrest, a fixed frame, a connecting rod and a telescopic rod; wherein the chair back is used for supporting the back of a user; the fixed frame is used for being fixed with the bed board; the upper end of the connecting rod is hinged with the chair back, and the lower end of the connecting rod is hinged with the fixed frame; the telescopic rod is used for adjusting the included angle between the chair back and the bed board, the length of the telescopic rod is adjustable, the upper end of the telescopic rod is hinged with the chair back, and the lower end of the telescopic rod is hinged with the connecting rod. When the movable backrest device on the bed is applied, a user can adjust the inclination angle of the backrest according to the posture requirement, the comfort of entertainment or work on the bed is improved, and the pressure of cervical vertebra and lumbar vertebra is reduced; in addition, the movable backrest device on the bed can be turned to be in an upright state after being used, the occupied space on the bed is small, and the normal use of the bed is not influenced.

Description

Movable backrest device on bed

Technical Field

The utility model relates to the technical field of articles for daily use, more specifically say, relate to a bed activity back device.

Background

At present, people can use the pillow or quilt as a backrest for body comfort when resting, reading books and reading newspapers on the bed. However, the pillow or quilt is unstable in shape, and is liable to tilt and slide during use, and it is impossible to ensure that the body of a person is kept in a correct posture for reading books and watching television in bed. Especially, when students, factory workers or construction workers in schools and the like lay in beds for playing mobile phones for a long time after work, the problems of cervical vertebrae and lumbar vertebrae of people are easy to occur.

In summary, how to improve the comfort of the user in bed entertainment and work is a problem to be solved urgently by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a movable backrest device in bed, the travelling comfort that the user used this movable backrest device in bed amusement or during operation is higher, is difficult for causing the oppression to cervical vertebra and lumbar vertebrae.

In order to achieve the above object, the present invention provides the following technical solutions:

a movable backrest device in bed, comprising:

a chair back used for supporting the back of a user and the lower end of which is used for abutting against the bed board;

a fixing frame used for fixing with the bed board;

the upper end of the connecting rod is hinged with the chair back, and the lower end of the connecting rod is hinged with the fixing frame;

the telescopic rod is used for adjusting an included angle between the chair back and the bed board, the upper end of the telescopic rod is hinged with the chair back, and the lower end of the telescopic rod is hinged with the connecting rod.

Preferably, one side of the connecting rod, which faces the upper end of the chair back, is provided with a cushion.

Preferably, the number of the connecting rods is two, the two connecting rods are symmetrically distributed on two sides of the telescopic rod, the lower ends of the two connecting rods are fixedly provided with lower cross rods, the rear side of the chair back is provided with an upper cross rod, the upper end of the telescopic rod is hinged to the upper cross rod, and the lower end of the telescopic rod is hinged to the lower cross rod.

Preferably, the rear side of the chair back is provided with a support rod, the upper end and the lower end of the support rod are respectively fixed with the upper part and the lower part of the chair back, and the middle part of the support rod is bent and hinged with the connecting rod.

Preferably, the bottom of the fixing frame is provided with a base which is convenient to fix with the bed board.

Preferably, the telescopic rod is a controllable air rod.

Preferably, the upper cross rod and the support rod are integrated structural members.

Preferably, the connecting rod be equipped with mount articulated first hinge hole, first hinge hole is the bar, the mount is equipped with open structure, open structure is used for the connecting rod is followed when the articulated shaft gliding of mount is fixed the connecting rod, in order to reduce the pressure of telescopic link.

Preferably, the fixing frame is provided with at least two second hinge holes for being hinged to the connecting rod, and the second hinge holes are distributed in sequence along the vertical direction to adjust the height of the lower end of the connecting rod.

Preferably, the middle part of the fixing frame is provided with a groove extending along the vertical direction, and the lower end of the connecting rod is arranged in the groove.

The utility model provides a movable backrest device on bed, which comprises a backrest, a fixed frame, a connecting rod and a telescopic rod; the chair back is placed on the bed board and used for supporting the back of a user; the upper end of the connecting rod is hinged with the chair back, and the lower end of the connecting rod is hinged with the fixed frame; the upper end of the telescopic rod is hinged with the chair back, and the lower end of the telescopic rod is hinged with the connecting rod; the fixed mount is used for being fixed with the bed board.

When using the bed activity back device that this application provided, firstly, the inclination of the back of the chair can change through the length of adjustment telescopic link, therefore the inclination of the back of the chair can adapt to user's gesture demand. Secondly, the telescopic rod, the connecting rod and the bed board can fix the position of the chair back, so that the chair back is kept stable; compared with a pillow or a quilt, the shape of the chair back is more stable, so that the chair back can stably support the waist of a user. In conclusion, the comfort of leaning on the chair back is higher, and the injury of the user to cervical vertebra and lumbar vertebra caused by entertainment or work on the bed is reduced.

In addition, when the movable backrest device on the bed is not needed, the chair back can be turned upwards to be in an upright state, so that the space on the bed occupied by the movable backrest device on the bed is reduced, and the normal use of the bed is ensured.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required 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 embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a side view of a movable backrest device on a bed provided by the present invention;

fig. 2 is a front view of the movable backrest device on bed provided by the present invention.

The reference numerals in fig. 1 to 2 are: 1-base, 2-second hinge hole, 3-opening structure, 4-fixing frame, 5-connecting rod, 6-telescopic rod, 7-soft pad, 8-chair back, 9-supporting rod, 10-lower cross bar and 11-upper cross bar.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The core of the utility model is to provide a movable backrest device on bed, which is applied by the user to ensure that the comfort of the user in bed entertainment or working is higher, and the user is not easy to oppress the cervical vertebra and the lumbar vertebra.

Fig. 1 is a side view of a movable backrest device on a bed provided by the present invention; fig. 2 is a front view of the movable backrest device on bed provided by the present invention.

The application provides a movable backrest device on a bed, which comprises a backrest 8, a fixed frame 4, a connecting rod 5 and a telescopic rod 6; wherein, the chair back 8 is used for supporting the back of the user, and the lower end is used for abutting against the bed board; the fixed mount 4 is used for fixing with the bed board; the upper end of the connecting rod 5 is hinged with the chair back 8, and the lower end is hinged with the fixed frame 4; the telescopic rod 6 is used for adjusting an included angle between the chair back 8 and the bed board, the length of the telescopic rod 6 is adjustable, the upper end of the telescopic rod is hinged with the chair back 8, and the lower end of the telescopic rod is hinged with the connecting rod 5.

Specifically, the mount 4 can be fixed on the bed board through modes such as bolt, card holder, welding, for convenient fixing, preferably sets up platelike base 1 in the bottom of mount 4, and the two welded fastening, mount 4 is fixed with the bed board through base 1.

The backrest 8 directly supports the user's back and is ergonomically designed and has a curved configuration. In addition, in order to improve the comfort of the seatback 8, a support pad is preferably provided on the front side of the seatback 8.

The connecting rod 5 is round steel or flat steel with certain strength. The telescopic rod 6 may be embodied as an adjustable length assembly such as a gas-controlled rod, a hydraulic rod, etc., which is generally provided with a control valve for controlling the length by which the user maintains the telescopic rod 6 at a desired length. In addition, the upper end of the telescopic rod 6 and the upper end of the connecting rod 5 are spaced at a certain distance in the vertical direction, namely, the projections of the telescopic rod 6 and the connecting rod 5 on the side part of the chair back 8 form an included angle.

When the movable backrest device on the bed is applied, the fixed frame 4 is fixed on the bed board in advance, a user opens the control valve of the telescopic rod 6 to adjust the length of the telescopic rod, and the control valve is closed after the backrest 8 is manually adjusted to a comfortable angle under the action of external force, so that the telescopic rod 6 is locked. After the use is finished, a user opens the control valve of the telescopic rod 6, the telescopic rod 6 can move freely, and the chair back 8 is manually turned to be in an upright state under the action of external force and is placed at the position of a bed head.

The application provides a bed activity back device can be according to the inclination of user's gesture demand adjustment back of the chair 8, can stabilize the support to the user simultaneously, has improved the travelling comfort of user amusement or during operation in bed, has reduced the pressure of cervical vertebra and lumbar vertebrae. Meanwhile, after the use, the movable backrest device on the bed can be erected at the bed head or the bedside, so that too much space on the bed is not occupied, and the normal use of the bed is not influenced.

Further, in order to optimize the using effect of the movable backrest device on the bed, in one embodiment provided by the application, the side of the connecting rod 5 facing the upper end of the backrest 8 is provided with a cushion 7. Specifically, the fixed cushion 7 of upper surface of connecting rod 5 stands upright near the head of a bed when the activity back device is idle in bed, and cushion 7 can prevent connecting rod 5 and the head of a bed or 8 rear sides of the back of the chair from taking place the rigidity collision to avoid head of a bed or connecting rod 5 to damage.

It is optional, in order to optimize the support effect of connecting rod 5 and telescopic link 6 to the back of the chair 8, the embodiment that this application provided, telescopic link 6 is located the middle part of the back of the chair 8, the quantity of connecting rod 5 is two, and the two symmetric distribution is in the both sides of telescopic link 6, two end fixing that connecting rod 5 is close to mount 4 have sheer pole 10, the rear side of the back of the chair 8 is equipped with horizontal pole 11, the upper end of telescopic link 6 is articulated with the middle part of last horizontal pole 11, the lower extreme is articulated with the middle part of sheer pole 10, thereby the guarantee supports the firm of the back of the chair 8.

Optionally, in an embodiment provided by the present application, a support frame is disposed at the rear side of the seat back 8, and the support frame is formed by connecting a plurality of diagonal rods, and specifically includes an upper cross rod 11 and a support rod 9; wherein, the upper end and the lower end of the support rod 9 are respectively fixed with the upper part and the lower part of the chair back 8, and the middle part of the support rod 9 is bent and hinged with the connecting rod 5. Specifically, bracing piece 9, connecting rod 5 one-to-one are articulated, and 9 both ends of bracing piece are fixed with the back of the chair 8 through bolt or other modes, and the middle part is bent to the direction of keeping away from the back of the chair 8, form the high triangle-shaped bearing structure of stability, and upper portion, connecting rod 5, the telescopic link 6 of bracing piece 9 also are triangular distribution simultaneously to the guarantee is to the firm support of the back of the chair 8.

Alternatively, the upper cross bar 11 may be fixed to the seat back 8, or may be transversely disposed on the upper portion of the support bar 9 and fixed to the support bar 9. In the process of processing and assembling, the upper cross bar 11 and the support bar 9 can be fixed by welding or bolting, and the two can also be directly processed into an integrated structural member.

Further, in order to optimize the use effect of the movable backrest device on the bed, on the basis of any one of the above embodiments, the connecting rod 5 is provided with a first hinge hole hinged to the fixing frame 4, the first hinge hole is in a bar shape, the fixing frame 4 is provided with an opening structure 3, and the opening structure 3 is used for fixing the connecting rod 5 when the connecting rod 5 slides downwards along the hinge shaft of the fixing frame 4 so as to reduce the pressure of the telescopic rod 6.

Specifically, connecting rod 5 sets up first hinge hole, and is corresponding, and mount 4 sets up second hinge hole 2, is provided with the articulated shaft in first hinge hole and the second hinge hole 2 to accomplish the articulated of the two. In the practical use process, the connecting rod 5 can be arranged outside the fixing frame 4, and in order to ensure that the connection between the fixing frame and the fixing frame is stable, a groove extending along the vertical direction is preferably arranged in the middle of the fixing frame 4, namely, the cross section of the fixing frame 4 is in a groove shape, the lower end of the connecting rod 5 extends into the groove to be hinged with the fixing frame 4, and at the moment, the second hinge hole 2 extends to the groove from the outer side wall of the fixing frame 4.

Mount 4 deviates from back of the chair 8's tank department and is provided with open structure 3, and first hinge hole is the slot hole of bar, when the back of the chair 8 receives great pressure, connecting rod 5 slides to the direction of keeping away from the user under the guide effect of slot hole, the lower extreme of connecting rod 5 can be fixed in open structure 3 of mount 4 this moment, connecting rod 5 is fixed back is better to the support effect of the back of the chair 8, thereby the pressure of telescopic link 6 has been reduced, prevent that telescopic link 6 from bearing the too big trouble such as pressure release rupture of taking place of pressure, and then improve the security of the activity back of the bed device, prolong its life.

Further, when considering actual use, the bed pad has usually been tiled on the bed board, bed clothes, and mount 4 is fixed with the bed board, the back of the chair 8 is placed at mattress and bed clothes upside, consequently in order to make the bed activity back device adapt to the mattress and the bed clothes of different thickness, every mount 4 sets up at least two and is used for 2 with the articulated second hinge hole of connecting rod 5, second hinge hole 2 distributes along vertical direction in proper order, adjust the interval of articulated shaft to 4 bottom surfaces of mount in the second hinge hole 2, make the highly be applicable to the bed clothes and the bed pad of different thickness of 5 lower extremes of connecting rod.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The above details are provided for the movable backrest device on bed provided by the utility model. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims

1. A movable backrest device for use in a bed, comprising:

a chair back (8) which is used for supporting the back of the user and the lower end of which is used for abutting against the bed board;

a fixing frame (4) used for fixing with the bed board;

the upper end of the connecting rod (5) is hinged with the chair back (8), and the lower end of the connecting rod (5) is hinged with the fixed frame (4);

the telescopic rod (6) is used for adjusting an included angle between the chair back (8) and the bed board, the upper end of the telescopic rod (6) is hinged with the chair back (8), and the lower end of the telescopic rod is hinged with the connecting rod (5).

2. A movable backrest device on bed as claimed in claim 1, characterized in that the side of the connecting rod (5) facing the upper end of the backrest (8) is provided with a cushion (7).

3. The movable backrest device on bed as claimed in claim 2, wherein the number of the connecting rods (5) is two, and the two are symmetrically distributed on both sides of the telescopic rod (6), a lower cross rod (10) is fixed on the lower ends of the two connecting rods (5), an upper cross rod (11) is arranged on the rear side of the chair back (8), the upper end of the telescopic rod (6) is hinged to the upper cross rod (11), and the lower end of the telescopic rod is hinged to the lower cross rod (10).

4. The movable backrest device on bed as claimed in claim 3, wherein a support rod (9) is provided at the rear side of the backrest (8), the upper and lower ends of the support rod (9) are fixed to the upper and lower parts of the backrest (8), respectively, and the middle part of the support rod (9) is bent and hinged to the connecting rod (5).

5. A movable backrest device on bed as claimed in claim 4, characterized in that the bottom of said fixed frame (4) is provided with a base (1) for fixing with the bed board conveniently.

6. A movable backrest device on bed as claimed in claim 5, characterized in that said telescopic rod (6) is a gas controllable rod.

7. A movable backrest device on bed as claimed in claim 6, characterized in that the upper cross bar (11) and the support bar (9) are an integral structural member.

8. A movable backrest device on bed as claimed in any one of claims 1 to 7, characterized in that said connecting rod (5) is provided with a first hinge hole in the shape of a bar hinged to said fixed frame (4), said fixed frame (4) being provided with an opening structure (3), said opening structure (3) being adapted to fix said connecting rod (5) when said connecting rod (5) slides down along the hinge axis of said fixed frame (4) to reduce the pressure of said telescopic rod (6).

9. A movable backrest device on bed as claimed in claim 8, characterized in that said fixed frame (4) is provided with at least two second hinge holes (2) for hinging with said connecting rod (5), said second hinge holes (2) being distributed in sequence in vertical direction for adjusting the height of the lower end of said connecting rod (5).

10. A movable backrest device on bed as claimed in claim 9, characterized in that the middle of the fixed frame (4) is provided with a groove extending in vertical direction, and the lower end of the connecting rod (5) is arranged in the groove.