CN213720902U - Bendable backrest chair - Google Patents

Bendable backrest chair Download PDF

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Publication number
CN213720902U
CN213720902U CN202022863516.2U CN202022863516U CN213720902U CN 213720902 U CN213720902 U CN 213720902U CN 202022863516 U CN202022863516 U CN 202022863516U CN 213720902 U CN213720902 U CN 213720902U
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CN
China
Prior art keywords
chair
telescopic
pipe sleeve
flexible
chair according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN202022863516.2U
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Chinese (zh)
Inventor
王语嫣
于娜
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sunon Technology Co Ltd
Original Assignee
Nanjing Forestry University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nanjing Forestry University filed Critical Nanjing Forestry University
Priority to CN202022863516.2U priority Critical patent/CN213720902U/en
Application granted granted Critical
Publication of CN213720902U publication Critical patent/CN213720902U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a flexible back chair relates to furniture technical field, including the back of the chair, can dismantle on the back of the chair and be equipped with the elasticity cushion, articulated top is leaned on (7) on the back of the chair, the back of the chair can be dismantled with bedplate (8) and be connected, bedplate (8) both sides can be dismantled and are equipped with handrail (10), be equipped with 4 chair legs (9) on bedplate (8) bottom four corners respectively, bedplate (8) rear side is equipped with telescopic link (12), telescopic link (12) opposite side with the connection can be dismantled to the back of the chair. An object of the utility model is to provide a flexible back chair to solve current seat simple function, the not enough problem of comfort level can change back radian according to the change of human posture, simple and practical, economical and convenient.

Description

Bendable backrest chair
Technical Field
The utility model relates to the technical field of furniture, in particular to a bendable backrest chair.
Background
The chair is a daily-life furniture, a seat with a backrest and armrests. The chair mainly supports a human body for people to sit for work and rest. Can accomodate simple and easy chair in the market today, most functions are simple, and the comfort level lacks.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a flexible back chair to solve current seat simple function, the not enough problem of comfort level can change back radian according to the change of human posture, simple and practical, economical and convenient.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a flexible back chair, includes the back of the chair, can dismantle on the back of the chair and be equipped with the elasticity cushion, articulated top is leaned on the back of the chair, the back of the chair can dismantle with the bedplate and be connected, the bedplate both sides can be dismantled and be equipped with the handrail, be equipped with 4 chair legs on the bedplate bottom four corners respectively, the bedplate rear side is equipped with the telescopic link, the telescopic link opposite side with the connection can be dismantled to the back of the chair.
The telescopic rod comprises a telescopic inner rod, the bottom end of the telescopic inner rod is sleeved in a telescopic pipe sleeve, a telescopic spring is fixedly arranged in the telescopic pipe sleeve, the other end of the telescopic spring is fixedly connected with the bottom end of the telescopic inner rod, the bottom of the telescopic pipe sleeve is fixedly connected with a supporting rod, and the other side of the supporting rod is connected with the seat plate.
The telescopic inner rod is an equilateral trapezoid column with a base edge removed, and the telescopic pipe sleeve comprises a left trapezoid pipe sleeve and a right trapezoid pipe sleeve which are consistent with the side edges of the equilateral trapezoid column in shape.
The area of the trapezoid pipe sleeve is 1.05-1.15 times of the area of the side edge of the equilateral trapezoid column.
The outer side of the telescopic pipe sleeve is fixedly provided with a trapezoidal fixing sleeve, and the top of the trapezoidal fixing sleeve is provided with two holes for accommodating the side edges of the equilateral trapezoidal column.
The back of the chair includes triangular upper left portion and left lower part, trapezoidal well lower part and well upper portion, triangular upper right portion and right lower part, upper left portion and upper right portion, the lower left portion with the size of lower right portion equals respectively, well upper portion height is higher than the height of well lower part, upper left portion the lower left portion well lower part the right side lower part upper right portion with well upper portion meets in order.
The middle lower part is detachably connected with the seat board, an included angle between the middle lower part and the seat board is 10-30 degrees, the middle upper part is hinged with the middle lower part, the maximum hinge angle is 80-100 degrees, the left upper part and the right upper part are hinged with the middle upper part, and the maximum hinge angle is 90-120 degrees.
The handrail is provided with a strip-shaped groove for placing a mobile phone.
The handrail is provided with a handrail pad.
The armrest pad is in a hill shape with a high middle and four low sides.
Compared with the prior art, the invention has the following beneficial effects:
an object of the utility model is to provide a flexible back chair to solve the problem that current seat base is not convenient for transport, avoided the user dismouting chair leg by oneself, through the use that reduces tiny part, avoid the part to lose and omit, inside this armchair chassis can take in the chassis with the chair leg, can realize dull and stereotyped packing, practice thrift resources for transportation, simple and practical, economical and convenient.
Drawings
Fig. 1 is a front view of the present invention;
FIG. 2 is a schematic view of the chair back in a non-squeezed state according to the present invention;
FIG. 3 is a schematic view of the retractable bar of the present invention in a non-squeezing state;
FIG. 4 is a schematic view of the chair back in a compressed state according to the present invention;
fig. 5 is a schematic view of the telescopic rod of the present invention in a state where the chair back is squeezed.
In the figure: 1-left upper part, 2-left lower part, 3-middle lower part, 4-middle upper part, 5-right upper part, 6-right lower part, 7-top rest, 8-seat board, 9-chair leg, 10-armrest, 11-armrest pad, 12-telescopic rod, 121-telescopic inner rod, 122-telescopic pipe sleeve, 123-support rod, 124-telescopic spring and 125-trapezoidal fixed sleeve.
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.
Example 1
As shown in fig. 1-2, a bendable backrest chair comprises a chair back, wherein an elastic back cushion is detachably arranged on the chair back, a plurality of protrusions are arranged on the back cushion, the protrusions are clamped with grooves formed in the chair back, the chair back is hinged with a top backrest 7, the maximum angle of the hinging is 90-120 degrees, the chair back is connected with a seat board 8 through a plurality of screws, handrails 10 are detachably arranged on two sides of the seat board 8, grooves are formed in two sides of the seat board 8, the handrails 10 are clamped with the seat board 8, 4 chair legs 9 are respectively arranged at four corners of the bottom of the seat board 8, a telescopic rod 12 is arranged on the rear side of the seat board 8, and the other side of the telescopic rod 12 is in threaded connection with the chair back.
Example 2
As shown in fig. 2 to 5, example 2 differs from example 1 only in that: a telescopic rod structure is provided.
The telescopic rod 12 comprises a telescopic inner rod 121, the bottom end of the telescopic inner rod 121 is sleeved in a telescopic pipe sleeve 122, a telescopic spring 124 is fixedly arranged in the telescopic pipe sleeve 122, the other end of the telescopic spring 124 is fixedly connected with the bottom end of the telescopic inner rod 121, the bottom of the telescopic pipe sleeve 122 is fixedly connected with a support rod 123, and the other side of the support rod 123 is in threaded connection with the seat plate 8.
The telescopic inner rod 121 is an equilateral trapezoid column with a base removed, and the telescopic pipe sleeve 122 comprises a left trapezoid pipe sleeve and a right trapezoid pipe sleeve which are consistent with the side edges of the equilateral trapezoid column in shape.
The area of the trapezoid pipe sleeve is 1.05-1.15 times of the area of the side edge of the equilateral trapezoid column.
A trapezoidal fixing sleeve 125 is fixedly arranged on the outer side of the telescopic pipe sleeve 122, 2 trapezoidal pipe sleeves are fixedly arranged in the trapezoidal fixing sleeve 125, and two holes for accommodating the side edges of the equilateral trapezoidal column are formed in the top of the trapezoidal fixing sleeve 125.
As shown in fig. 2 to fig. 3, an overall structure diagram of the chair back in a non-squeezing state and a schematic diagram of the telescopic rod are shown, in the non-squeezing state, the telescopic spring 124 is in a natural telescopic state, and only a small portion of the telescopic inner rod 121 is in the telescopic tube 122.
As shown in fig. 4-5, showing the whole structure diagram of the backrest squeezing state and the schematic diagram of the telescopic rod, when a person wants to lie on the chair in the squeezing state, the telescopic spring 124 is in the compressed state, and most of the telescopic inner rod 121 extends into the telescopic tube 122.
Example 3
Example 3 differs from example 1 only in that: the specific structure of the chair back is increased.
The back of the chair includes triangle-shaped upper left portion 1 and left lower part 2, trapezoidal well lower part 3 and well upper portion 4, triangle-shaped upper right portion 5 and right lower part 6, upper left portion 1 and upper right portion 5, lower left portion 2 with the size of lower right part 6 equals respectively, well upper portion 4 highly is higher than the height of well lower part 3, upper left portion 1 the lower left portion 2 well lower part 3 right lower part 6 upper right portion 5 with well upper portion 4 meets in order.
The middle-lower part 3 is detachably connected with the seat board 8, an included angle between the middle-lower part 3 and the seat board 8 is 10-30 degrees, the middle-upper part 4 is hinged to the middle-lower part 3, the maximum hinge angle is 80-100 degrees, the left-upper part 1 and the right-upper part 5 are hinged to the middle-upper part 4, and the maximum hinge angle is 90-120 degrees.
Example 4
Example 4 differs from example 1 only in that: the function of placing the mobile phone and the armrest pad of the armrest is added.
A strip-shaped groove for placing a mobile phone is arranged on the armrest 10.
Further, a handrail pad is disposed on the handrail 10. The armrest pad is in a hill shape with a high middle and four low sides.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (10)

1. A bendable backrest chair is characterized in that: the foldable chair comprises a chair back, wherein an elastic back cushion is detachably arranged on the chair back, the chair back is hinged to a top rest (7), the maximum angle of the hinge is 90-120 degrees, the chair back is detachably connected with a chair plate (8), handrails (10) are detachably arranged on two sides of the chair plate (8), 4 chair legs (9) are respectively arranged at four corners of the bottom of the chair plate (8), a telescopic rod (12) is arranged on the rear side of the chair plate (8), and the other side of the telescopic rod (12) is detachably connected with the chair back.
2. The flexible chair according to claim 1, wherein: the telescopic rod (12) comprises a telescopic inner rod (121), the bottom end of the telescopic inner rod (121) is sleeved in a telescopic pipe sleeve (122), a telescopic spring (124) is fixedly arranged in the telescopic pipe sleeve (122), the other end of the telescopic spring (124) is fixedly connected with the bottom end of the telescopic inner rod (121), the bottom of the telescopic pipe sleeve (122) is fixedly connected with a supporting rod (123), and the other side of the supporting rod (123) is connected with the seat plate (8).
3. The flexible chair according to claim 2, wherein: the telescopic inner rod (121) is an equilateral trapezoid column with a base edge removed, and the telescopic pipe sleeve (122) comprises a left trapezoid pipe sleeve and a right trapezoid pipe sleeve which are consistent with the side edges of the equilateral trapezoid column in shape.
4. The flexible chair according to claim 3, wherein: the area of the trapezoid pipe sleeve is 1.05-1.15 times of the area of the side edge of the equilateral trapezoid column.
5. The flexible chair according to claim 3, wherein: the outer side of the telescopic pipe sleeve (122) is fixedly provided with a trapezoidal fixing sleeve (125), and the top of the trapezoidal fixing sleeve (125) is provided with two holes for accommodating the side edges of the equilateral trapezoidal column.
6. The flexible chair according to claim 1, wherein: the back of the chair includes triangle-shaped upper left portion (1) and left lower part (2), trapezoidal well lower part (3) and well upper portion (4), triangle-shaped upper right portion (5) and right lower part (6), upper left portion (1) and upper right portion (5), a left side lower part (2) with the size of right lower part (6) equals respectively, well upper portion (4) height is higher than the height of well lower part (3), upper left portion (1) a left side lower part (2) well lower part (3) right lower part (6) upper right portion (5) with well upper portion (4) meet in order.
7. The flexible chair according to claim 6, wherein: the middle-lower part (3) is detachably connected with the seat board (8), an included angle between the middle-lower part (3) and the seat board (8) is 10-30 degrees, the middle-upper part (4) is hinged with the middle-lower part (3), the maximum hinge angle is 80-100 degrees, the left-upper part (1) and the right-upper part (5) are hinged with the middle-upper part (4), and the maximum hinge angle is 90-120 degrees.
8. The flexible chair according to claim 1, wherein: a strip-shaped groove for placing a mobile phone is arranged on the armrest (10).
9. The flexible chair according to claim 1, wherein: the handrail (10) is provided with a handrail pad.
10. The flexible chair according to claim 9, wherein: the armrest pad is in a hill shape with a high middle and four low sides.
CN202022863516.2U 2020-11-30 2020-11-30 Bendable backrest chair Expired - Fee Related CN213720902U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022863516.2U CN213720902U (en) 2020-11-30 2020-11-30 Bendable backrest chair

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022863516.2U CN213720902U (en) 2020-11-30 2020-11-30 Bendable backrest chair

Publications (1)

Publication Number Publication Date
CN213720902U true CN213720902U (en) 2021-07-20

Family

ID=76832501

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022863516.2U Expired - Fee Related CN213720902U (en) 2020-11-30 2020-11-30 Bendable backrest chair

Country Status (1)

Country Link
CN (1) CN213720902U (en)

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GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20211229

Address after: 311215 No. 35, Ningdong Road, Xiaoshan Economic and Technological Development Zone, Hangzhou, Zhejiang

Patentee after: Shengao Technology Co.,Ltd.

Address before: Nanjing City, Jiangsu province 210037 Longpan Road No. 159

Patentee before: NANJING FORESTRY University

TR01 Transfer of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20210720

CF01 Termination of patent right due to non-payment of annual fee