CN216961947U

CN216961947U - Seat with back-tracing function

Info

Publication number: CN216961947U
Application number: CN202220587110.2U
Authority: CN
Inventors: 冯小薇
Original assignee: Hangzhou Learning Time Technology Co ltd
Current assignee: Hangzhou Learning Time Technology Co ltd
Priority date: 2022-03-17
Filing date: 2022-03-17
Publication date: 2022-07-15
Anticipated expiration: 2032-03-17

Abstract

The utility model provides a seat with a back-tracing function, which comprises a seat cushion structure, a press switch, a gas spring, a long connecting rod, a short connecting rod, a backrest mounting assembly, an upper backrest pad, a lower backrest pad and a steel wire rope, wherein the press switch is mounted on a lower rotating shaft of the seat cushion structure, the end part of the press switch is connected with the side part of the gas spring switch through the steel wire rope, and one end of the gas spring is connected with the lower end of the long connecting rod through the rotating shaft. The utility model relates to a chair with a back-tracing function, which has the advantages that through a formed parallelogram mechanism, under the action of an air spring, the backrest has the function of front-back adjustment, the back-tracing effect is achieved, the operation of a user is simple and convenient, the comfort level is met, the user is given a high-quality experience feeling, the lifting of the backrest is facilitated, the users with different bodies are met, the bodies of the users can be relaxed better, and the market popularization and the application are facilitated.

Description

Seat with back-tracing function

Technical Field

The utility model belongs to the technical field of seats, and particularly relates to a seat with a back-tracing function.

Background

The seat is a seat with a backrest, is widely applied, can be used for office work, automobiles, home furnishing and the like, and is added with an adjusting function on an original seat in order to meet the original intention of individuation and protection of the original seat, thereby achieving the purpose of enjoying comfortable living necessities.

Chinese patent publication is CN 203468073U, and utility model's name is a seat with adjustable back of the chair, including back of the chair, seat support and base, the back of the chair is fixed at the seat support rear side, and the seat support setting is on the base, and the seat support includes seat support casing and seat lid, and the seat support lid covers on the seat support casing, and the rear end of seat support casing is equipped with the spread groove. But current seat has the function that can't have the front and back regulation to the back, can't reach the effect of following after, has not satisfied the comfort level, can't give the user high-quality experience and feel to can not carry out simple convenient lift to the back, can't satisfy the user's of different health problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a seat with a back-tracing function, and solves the problems mentioned in the background technology.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

the utility model relates to a chair with a back-tracing function, which comprises a cushion structure, a press switch, a gas spring, a long connecting rod, a short connecting rod, a backrest mounting component, an upper backrest pad, a lower backrest pad and a steel wire rope, wherein the press switch is mounted on a lower rotating shaft of the cushion structure, the end part of the press switch is connected with the side part of the gas spring switch through the steel wire rope, one end of the gas spring is connected with the lower end of the long connecting rod through the rotating shaft, the other end of the gas spring is in threaded connection with the gas spring switch, the end part of the gas spring switch is connected with the cushion structure through the rotating shaft, the long connecting rod and the short connecting rod are connected with the rotating shaft above the side part of the cushion structure, the long connecting rod is positioned inside the short connecting rod, the long connecting rod and the short connecting rod are arranged in parallel, and the upper ends of the long connecting rod and the short connecting rod are connected with the backrest mounting component through the rotating shaft, the upper backrest cushions are fixed above the front part of the backrest mounting assembly through bolts, the number of the upper backrest cushions is two, and the lower backrest cushions are fixed below the front part of the backrest mounting assembly through bolts.

Further, back installation component includes back crane, lift release switch, compression spring, unblock pole, groove connector and back mount, lift release switch passes through clearance fit and sets up on the upper portion of back crane, and this lift release switch's both ends are equipped with groove connector, and groove connector and lift release switch structure as an organic whole.

Furthermore, the innermost side of the backrest fixing frame is in clearance fit with the backrest lifting frame, 10 to 20 teeth are arranged on two sides of the middle of the backrest fixing frame at equal intervals in a symmetrical mode, and the backrest fixing frame is connected with the long connecting rod and the short connecting rod through rotating shafts.

Furthermore, the middle part of the unlocking rod is connected with the backrest lifting frame through a rotating shaft, one end of the unlocking rod is spherical and is positioned in the groove connector, and the other end of the unlocking rod is in an independent tooth shape and is meshed with the side teeth of the backrest fixing frame.

Furthermore, the rotating shafts between the cushion structure, the long connecting rod, the short connecting rod and the backrest mounting component are connected to form a parallelogram mechanism.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the seat with the back-tracing function, the formed parallelogram mechanism is used, under the action of the gas spring, the backrest has the function of adjusting back and forth, the back-tracing effect is achieved, the operation of a user is simple and convenient, the comfort level is met, and the user is provided with a high-quality experience feeling.

2. The chair with the back-tracing function is beneficial to lifting the backrest, meets the requirements of users with different bodies, is simple and convenient to adjust, and enables the bodies of the users to be relaxed better.

Drawings

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

Fig. 1 is a side view of the present invention.

Fig. 2 is a rear structural view of the present invention.

Fig. 3 is a schematic view of the back rest mounting assembly of the present invention.

In the figure:

1-cushion structure, 2-press type switch, 3-gas spring switch, 4-gas spring, 5-long connecting rod, 6-short connecting rod, 7-backrest mounting component, 71-backrest lifting frame, 72-lifting unlocking switch, 73-compression spring, 74-unlocking rod, 75-groove connector, 76-backrest fixing frame, 8-upper backrest cushion, 9-lower backrest cushion and 10-steel wire rope.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "middle", "outer", "inner", "around", and the like, indicate an orientation or positional relationship only for the convenience of description and simplicity of description, but do not indicate or imply that the referenced components or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

Referring to fig. 1-2, the present invention is a chair with a back-tracking function, which comprises a cushion structure 1, a push switch 2, a gas spring switch 3, a gas spring 4, a long connecting rod 5, a short connecting rod 6, a backrest mounting assembly 7, an upper backrest pad 8, a lower backrest pad 9 and a steel wire rope 10, wherein the push switch 2 is mounted on a lower rotating shaft of the cushion structure 1, an end of the push switch 2 is connected to a side portion of the gas spring switch 3 through the steel wire rope 10, one end of the gas spring 4 is connected to a lower end of the long connecting rod 5 through a rotating shaft, the other end of the gas spring 4 is connected to the gas spring switch 3 through a screw, an end of the gas spring switch 3 is connected to the cushion structure 1 through a rotating shaft, the long connecting rod 5 and the short connecting rod 6 are connected to a rotating shaft above the side portion of the cushion structure 1, and the long connecting rod 5 is located inside the short connecting rod 6, the long connecting rods 5 and the short connecting rods 6 are arranged in parallel, the upper ends of the long connecting rods 5 and the short connecting rods 6 are connected with a backrest mounting assembly 7 through rotating shafts, upper backrest cushions 8 are fixed above the front portion of the backrest mounting assembly 7 through bolts, the number of the upper backrest cushions 8 is two, and lower backrest cushions 9 are fixed below the front portion of the backrest mounting assembly 7 through bolts.

As shown in fig. 3, the backrest installation assembly 7 includes a backrest lifting frame 71, a lifting unlocking switch 72, a compression spring 73, an unlocking rod 74, a groove connector 75 and a backrest fixing frame 76, the lifting unlocking switch 72 is disposed on the upper portion of the backrest lifting frame 71 through clearance fit, the groove connector 75 is disposed at two ends of the lifting unlocking switch 72, and the groove connector 75 and the lifting unlocking switch 72 are integrated.

Wherein, the innermost side of the backrest fixing frame 76 is in clearance fit with the backrest lifting

frame

71, 10 to 20 teeth are symmetrically arranged on two sides of the middle part of the backrest fixing frame 76 at equal intervals, and the backrest fixing frame 76 is connected with the long connecting rod 5 and the short connecting rod 6 through rotating shafts.

The middle part of the unlocking rod 74 is connected with the backrest lifting frame 71 through a rotating shaft, one end of the unlocking rod 74 is spherical and is positioned in the groove connector 75, and the other end of the unlocking rod 74 is in an independent tooth shape and is meshed with the side teeth of the backrest fixing frame 76.

Wherein, the rotating shafts between the cushion structure 1, the long connecting rod 5, the short connecting rod 6 and the backrest installation component 7 are connected to form a parallelogram mechanism.

Referring to fig. 1-3, the present invention is a chair with a back-tracking function, and the working principle thereof is as follows: when a user presses the press type switch 2, the gas spring switch 3 is pulled under the action of the steel wire rope 10, and a parallelogram mechanism formed by connecting the cushion structure 1, the long connecting rod 5, the short connecting rod 6 and a rotating shaft between the backrest mounting assembly 7 is utilized, then a thrust is applied to the bottom ends of the long connecting rod 5 and the short connecting rod 6 through the gas spring 4, so that the upper ends of the four connecting rods move towards opposite directions, the backrest has the function of front-back adjustment, the effect of back tracing is achieved, the gas spring switch 3 is locked on the gas spring 4 when the press type switch 2 is released, the operation of the user is simple and convenient, the comfort level is met, and the user is provided with high-quality experience feeling; when the upper backrest cushion 8 and the lower backrest cushion 9 need to be lifted, a user grasps the backrest installation assembly 7 by hand, presses the lifting unlocking switch 72 upwards at the same time, pulls the unlocking rod 74 to rotate through the groove connector 75 under the action of the compression spring 73, so that the unlocking rod 74 is separated from the backrest fixing frame 76 with teeth, and pulls the backrest lifting frame 71 upwards to achieve the purpose of unlocking and lifting, users with different bodies are met, the adjustment is not only simple and convenient, but also the bodies of the users can be better relaxed.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the utility model disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the utility model to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a seat with chase after back function, includes cushion structure (1), push type switch (2), air spring switch (3), air spring (4), long connecting rod (5), short connecting rod (6), back installation component (7), upper portion back pad (8), lower part back pad (9) and wire rope (10), its characterized in that: the cushion structure is characterized in that a press switch (2) is installed on a rotating shaft at the lower part of the cushion structure (1), the end part of the press switch (2) is connected with the side part of the air spring switch (3) through a steel wire rope (10), one end of the air spring (4) is connected with the lower end of a long connecting rod (5) through a rotating shaft, the other end of the air spring (4) is in threaded connection with the air spring switch (3), the end part of the air spring switch (3) is connected with the cushion structure (1) through a rotating shaft, a long connecting rod (5) and a short connecting rod (6) are connected with the upper part of the side part of the cushion structure (1) through a rotating shaft, the long connecting rod (5) is positioned inside the short connecting rod (6), the long connecting rod (5) and the short connecting rod (6) are arranged in parallel, the upper ends of the long connecting rod (5) and the short connecting rod (6) are connected with a backrest installation component (7) through a rotating shaft, the backrest cushion comprises a backrest mounting assembly (7), an upper backrest cushion (8) and a lower backrest cushion (9), wherein the upper backrest cushion (8) is fixed above the front part of the backrest mounting assembly (7) through bolts, the number of the upper backrest cushions (8) is two, and the lower backrest cushion (9) is fixed below the front part of the backrest mounting assembly (7) through bolts.

2. A seat with a back-tracking function as claimed in claim 1, wherein: backrest installation component (7) include backrest crane (71), lift unblock switch (72), compression spring (73), unblock pole (74), groove connector (75) and back mount (76), lift unblock switch (72) sets up on the upper portion of backrest crane (71) through clearance fit, and the both ends of this lift unblock switch (72) are equipped with groove connector (75), and groove connector (75) and lift unblock switch (72) structure as an organic whole.

3. A seat with a back-tracking function as claimed in claim 2, wherein: the innermost side of the backrest fixing frame (76) is in clearance fit with the backrest lifting frame (71), 10 to 20 teeth are symmetrically arranged on two sides of the middle part of the backrest fixing frame (76) at equal intervals, and the backrest fixing frame (76), the long connecting rod (5) and the short connecting rod (6) are connected together through a rotating shaft.

4. A seat with a back-tracking function as claimed in claim 2, wherein: the middle part of the unlocking rod (74) is connected with the backrest lifting frame (71) through a rotating shaft, one end of the unlocking rod (74) is spherical and is positioned in the groove connector (75), and the other end of the unlocking rod (74) is in an independent tooth shape and is meshed with the side teeth of the backrest fixing frame (76).

5. A seat with a back-tracking function as claimed in claim 1, wherein: the rotating shafts between the cushion structure (1), the long connecting rod (5), the short connecting rod (6) and the backrest installation component (7) are connected to form a parallelogram mechanism.