CN215650105U

CN215650105U - Back cushion

Info

Publication number: CN215650105U
Application number: CN202121567770.6U
Authority: CN
Inventors: 陈文楠
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-07-12
Filing date: 2021-07-12
Publication date: 2022-01-28
Anticipated expiration: 2031-07-12

Abstract

A back cushion. Mainly solves the problem that the improper sitting posture has bad influence on the spine when people sit on a chair to study or work at present. The method is characterized in that: the seat body is used for being placed on a seat, the cushion body comprises a shell (21), a connecting portion (22) used for being connected with a backrest is arranged on the back of the shell, a backing plate (23) is arranged on the front end face of the shell, a power source (24) used for pushing the backing plate to move forward to be in contact with a human body is arranged in the shell, a pressure-sensitive switch (11) is arranged in the cushion body, and the pressure-sensitive switch is electrically connected with the power source.

Description

Back cushion

Technical Field

The utility model relates to the field of articles for daily use, in particular to a back cushion.

Background

In daily life, people often lean on the back when sitting on a chair to study or work, which has a bad influence on the spine.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the background art, the utility model provides a back cushion which mainly solves the problem that the improper sitting posture has bad influence on the spine when people sit on a chair for study or work at present.

The technical scheme adopted by the utility model is as follows:

a back cushion comprises a cushion body and a seat body, wherein the seat body is used for being placed on a seat, the cushion body comprises a shell, a connecting portion used for being connected with a backrest is arranged at the back of the shell, a cushion plate is arranged on the front end face of the shell, a power source used for pushing the cushion plate to move forward to be in contact with a human body is arranged in the shell, a pressure-sensitive switch is arranged in the cushion body, and the pressure-sensitive switch is electrically connected with the power source.

The power source comprises a power source and a driving piece, and the driving piece is used for pushing the base plate to move.

The driving part is an air cylinder, the air cylinder comprises a driving rod, a through hole used for extending the driving rod is formed in the shell, and one end of the driving rod is connected with the base plate.

The outer wall of the shell is provided with a groove, and the base plate is arranged in the groove when the driving rod contracts.

The base plate is provided with a spongy cushion used for contacting with the back of a human body.

The contact surface of the backing plate and the human body is an arc surface.

The connecting part is an adhesive tape.

The connecting part is an elastic positioning ring.

The utility model has the beneficial effects that: the utility model provides a back cushion which can adjust sitting postures and reduce the influence caused by incorrect sitting postures.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a partial structural diagram of an embodiment of the present invention.

Fig. 3 is a partial structural diagram of an embodiment of the present invention.

Detailed Description

The utility model will be further described with reference to the accompanying drawings in which: as shown in the figure, the back cushion comprises a cushion body 2 and a cushion body 1, wherein the cushion body is used for being placed on a seat, the cushion body comprises a shell 21, a connecting part 22 used for being connected with a backrest is arranged at the back of the shell, a backing plate 23 is arranged on the front end face of the shell, a power source 24 used for pushing the backing plate to move forward to be in contact with a human body is arranged in the shell, a pressure-sensitive switch 11 is arranged in the cushion body, and the pressure-sensitive switch is electrically connected with the power source. When a person sits on the seat body, the pressure sensitive switch is triggered, so that the power source works, the cushion body is pushed out along with the power source to be contacted with the back of the person, and the user is driven to straighten the back.

In the present invention, as shown in the figure, the power source includes a power source 241 and a driving member 242 for driving the pad to move. The power source may be a battery or a general battery, and the driving member may be a cylinder or a hydraulic cylinder.

In the present invention, as shown in the figure, the driving member is an air cylinder, the air cylinder includes a driving rod 243, a through hole for extending the driving rod is provided on the housing, and one end of the driving rod is connected to the backing plate. The driving rod and the backing plate can be connected through screws.

In the utility model, as shown in the figure, the outer wall of the shell is provided with a groove 211, and the backing plate is arranged in the groove when the driving rod is contracted. The whole structure is compact and the storage is convenient.

In the present invention, as shown in the drawings, a sponge pad 232 for contacting the back of the human body is provided on the pad plate. The human body is more comfortable when contacting, and the discomfort is reduced.

In the utility model, as shown in the figure, the contact surface of the backing plate and the human body is an arc surface.

In the present invention, the connecting portion is an adhesive tape. The adhesive tape can be directly adhered with the chair back of the chair.

In the present invention, as shown in the figure, the connecting portion is a positioning ring with elasticity. The positioning ring can be sleeved on the chair back of the chair to realize fixation.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

The embodiments described with reference to the drawings are illustrative and are intended to be illustrative of the utility model and should not be construed as limiting the utility model. The examples should not be construed as limiting the present invention, but any modifications made based on the spirit of the present invention should be within the scope of protection of the present invention.

Claims

1. The utility model provides a back cushion, includes pad body (2) and pedestal (1), its characterized in that: the seat body is used for being placed on a seat, the cushion body comprises a shell (21), a connecting portion (22) used for being connected with a backrest is arranged on the back of the shell, a backing plate (23) is arranged on the front end face of the shell, a power source (24) used for pushing the backing plate to move forward to be in contact with a human body is arranged in the shell, a pressure-sensitive switch (11) is arranged in the cushion body, and the pressure-sensitive switch is electrically connected with the power source.

2. A back pad according to claim 1, wherein: the power source comprises a power source (241) and a driving piece (242), and the driving piece is used for pushing the base plate to move.

3. A back pad according to claim 2, further comprising: the driving piece is an air cylinder, the air cylinder comprises a driving rod (243), a through hole used for extending the driving rod is formed in the shell, and one end of the driving rod is connected with the base plate.

4. A back pad according to claim 3, wherein: the outer wall of the shell is provided with a groove (211), and the base plate is arranged in the groove when the driving rod contracts.

5. A back pad according to claim 4, further comprising: the backing plate is provided with a spongy cushion (232) which is used for contacting with the back of a human body.

6. A back pad according to claim 5, wherein: the contact surface of the backing plate and the human body is an arc surface.

7. A back pad according to claim 6, further comprising: the connecting part is an adhesive tape.

8. A back pad according to claim 6, further comprising: the connecting part is an elastic positioning ring.