CN220403529U - Swivel chair chassis with angle adjusting function - Google Patents

Abstract

The utility model relates to the technical field of swivel chair accessories, in particular to a swivel chair chassis with an angle adjusting function, which comprises a chassis main body, an adjusting mechanism and a locking mechanism, wherein the adjusting mechanism is connected with the chassis main body and a chair seat; the locking mechanism is arranged on the mounting seat, can limit the swing of the adjusting pair, realizes the rapid and efficient adjustment of the angle of the seat, and improves the comfort level of the swivel chair.

Description

Swivel chair chassis with angle adjusting function

Technical Field

The utility model relates to the field of swivel chair accessories, in particular to a swivel chair chassis with an angle adjusting function.

Background

With the progress and development of society, swivel chairs play an increasingly important role in the production and life of people, the demands of people for using swivel chairs are different, and the most comfortable feeling is different when the swivel chairs are used, so that most of the swivel chairs sold in the prior art are multifunctional swivel chairs, but the swivel chairs with adjustable chair surface angles sold in the prior art are expensive.

The utility model patent of China patent application number 202320043796.3 discloses a swivel chair chassis with angle adjusting function, including swivel chair chassis main part, the landing leg is evenly installed to swivel chair chassis main part's bottom, and the gyro wheel is all installed to the bottom of landing leg, swivel chair chassis main part's inside is provided with the buffer tank, and the internally mounted in buffer tank has the second buffer seat, the regulating plate is installed on the top of second buffer seat, and the top of regulating plate evenly installs articulated seat, the mounting panel is installed on the top of articulated seat. According to the utility model, when a user sits, the rotary chair cushion presses down the first buffer seat and the second buffer seat, so that the first buffer seat extrudes the elastic buffer piece, and the second buffer seat and the buffer sleeve drive the first buffer spring and the second buffer spring to stretch so as to play a role of buffering when the user sits down, namely, the collision impact generated by rigid contact between the rotary chair cushion and the rotary chair chassis main body is reduced, the service life of the rotary chair cushion is prolonged, and meanwhile, the comfort level of the user sitting is effectively improved. However, in the use process of the swivel chair, after the angle adjustment is completed, the angle locking mechanism is contacted with the explosion-proof air rod, and in the use process of the swivel chair, the explosion-proof air rod is subjected to torsion force, so that the fixing mode is easy to influence the service life of the explosion-proof air cylinder.

However, the adjustment mechanism of the swivel chair adjusts the degree of inclination of the seat by motor driving, the adjustment process is slow, and the adjustment angle is not well controlled.

Disclosure of Invention

According to the swivel chair chassis with the angle adjusting function, the seat is connected with the rotating piece in the adjusting pair, the rotating piece is rotatably arranged in the spherical installation cavity, the rotating piece rotates in the installation cavity to adjust the inclination angle of the seat, and after the adjustment is completed, the locking mechanism is abutted against the rotating piece, so that the rotating piece and the seat are fixed, the rapid and efficient adjustment of the angle of the seat is realized, and the comfort level of the swivel chair in use is improved.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

swivel chair chassis with angle modulation function, including the chassis main part, still include:

the adjusting mechanism is connected with the chassis main body and the chair seat and comprises an installation seat and an adjusting pair, the installation seat is arranged on the chassis main body, the adjusting pair is connected with the chair seat and can be arranged on the installation seat in a swinging manner so that the chair seat can incline towards any direction;

and the locking mechanism is arranged on the mounting seat and can limit the swing of the adjusting pair.

As an improvement, the adjusting pair comprises:

the mounting part is arranged on the mounting seat;

the gland is detachably arranged on the mounting seat and forms a spherical mounting cavity with the mounting part;

the rotating piece is spherical and can be rotatably arranged in the mounting cavity;

the connecting rod is fixedly arranged on the rotating piece; and

the connecting plate is arranged at the other end of the connecting rod relative to the rotating piece, and the connecting plate is connected with the chair seat.

As an improvement, the mounting portion is provided in a hemispherical shape.

As an improvement, a round hole is formed above the gland, and the rotating piece and the connecting rod protrude out of the gland.

As an improvement, the adjusting pair further comprises:

the six groups of springs are arranged at the bottom of the connecting plate in a circumferential array mode and can be in abutting arrangement with the mounting seat.

As an improvement, the locking mechanism includes:

the accommodating cavity is arranged in the mounting part;

the abutting piece is arranged in the accommodating cavity and can be abutted against the rotating piece;

the rotating rod is rotatably arranged on the side surface of the mounting seat through threads; and

and one end of the connecting rod is coaxially and rotatably connected with the rotating rod, and the other end of the connecting rod is fixedly connected with the abutting piece.

As an improvement, the rotating lever includes:

the thread section is rotatably arranged on the mounting seat through threads; and

the holding section is arranged on the outer side of the mounting seat.

The utility model has the beneficial effects that:

(1) The utility model can adjust the angle of the rotary chair cushion, thereby meeting different use requirements of users and improving the comfort level of the users when sitting; the chair seat is fixed through the interference of the interference piece and the rotating piece, so that different use requirements of a user can be met, and the comfort level of the user in sitting is improved;

(2) The rotating piece is spherical, and the angle adjustment of the rotating piece can rotate towards any angle when the chair seat rotates along with the rotating piece, so that universal adjustment is realized, and different use requirements of users are further met;

(3) The spring provides feedback force in the adjusting process of the rotating piece and the chair seat, so that the whole adjusting process is smoother, the adjusting angle is more accurate, and the adjusting efficiency is further improved.

In conclusion, the utility model has the advantages of simple structure, convenient maintenance, convenient use and the like, and is particularly suitable for the technical field of swivel chairs.

Drawings

FIG. 1 is a cross-sectional view of the overall structure of a swivel chair;

FIG. 2 is an enlarged view of FIG. 1 at A;

FIG. 3 is a schematic view of a guide sleeve structure;

fig. 4 is a schematic view of the adjusting pair structure.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

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

Examples:

as shown in fig. 1 and 2, a swivel chair chassis with an angle adjusting function includes a chassis main body 1, and further includes:

the adjusting mechanism 2 is connected with the chassis main body 1 and the seat 3, the adjusting mechanism 2 comprises a mounting seat 21 and an adjusting pair 22, the mounting seat 21 is arranged on the chassis main body 1, the adjusting pair 22 is connected with the seat 3, and the adjusting pair can be arranged on the mounting seat 21 in a swinging way so that the seat 3 can incline towards any direction;

a locking mechanism 4, wherein the locking mechanism 4 is mounted on the mounting seat 21, and can limit the swing of the adjusting pair 22.

Further, the adjusting pair 22 includes:

a mounting portion 221, wherein the mounting portion 221 is opened on the mounting base 21;

a pressing cover 222, wherein the pressing cover 222 is detachably mounted on the mounting seat 21 and forms a spherical mounting chamber 223 with the mounting part 221;

a rotation member 224, the rotation member 224 being provided in a spherical shape and rotatably provided inside the installation chamber 223;

a connecting rod 225, wherein the connecting rod 225 is fixedly installed on the rotating member 224; and

a connection plate 226, the connection plate 226 is disposed at the other end of the connection rod 225 with respect to the rotating member 224, and the connection plate 226 is connected with the seat 3.

In order to reduce the thickness of the entire chassis, the pressing cover 222 is embedded in the mounting seat 21.

Further, the mounting portion 221 is provided in a hemispherical shape.

Further, a round hole 2221 is provided above the gland 222, and the rotating member 224 and the connecting rod 225 are protruded from the gland 222.

It should be noted that the rotating member 224 is configured to be spherical and is matched with the spherical mounting chamber 223 to realize universal adjustment.

It should be further noted that the rotating member 224 and the connecting rod 225 are protruded from the pressing cover 222, so as to increase the inclination angle of the seat 3.

Further, the adjusting pair 22 further includes:

the springs 227, six sets of the springs 227 are circumferentially arranged at the bottom of the connecting plate 226 and may be arranged in a collision manner with the mounting base 21.

It should be noted that the springs 227 are not limited to six groups.

It should be further noted that the spring 227 allows the adjustment of the rotating member 224 and the seat 3 to have a feedback force, thereby improving comfort and adjustment efficiency in use.

Further, as shown in fig. 3 and 4, the locking mechanism 4 includes:

a receiving chamber 41, wherein the receiving chamber 41 is opened in the mounting portion 221;

the abutting piece 42 is disposed in the accommodating cavity 41 and can abut against the rotating member 224;

a rotating rod 43, wherein the rotating rod 43 is rotatably installed on the side surface of the installation seat 21 through threads; and

and one end of the connecting rod 44 is coaxially and rotatably connected with the rotating rod, and the other end of the connecting rod 44 is fixedly connected with the abutting piece 42.

In the rotatable state of the rotating member 224, a gap exists between the abutting piece 42 and the rotating member 224.

It should be further noted that, in order to enhance the locking effect, the contact surface between the contact surface of the contact piece 42 and the rotating piece 224 may be knurled to increase the friction force.

Further, the rotating lever 43 includes:

a threaded section 431, wherein the threaded section 431 is rotatably mounted on the mounting seat 21 through threads; and

a holding section 432, wherein the holding section 432 is arranged outside the mounting seat 21.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims (7)

1. Swivel chair chassis with angle adjustment function, including chassis main part (1), characterized by still includes:

the adjusting mechanism (2) is connected with the chassis main body (1) and the chair seat (3), the adjusting mechanism (2) comprises a mounting seat (21) and an adjusting pair (22), the mounting seat (21) is arranged on the chassis main body (1), the adjusting pair (22) is connected with the chair seat (3), and the adjusting pair can be arranged on the mounting seat (21) in a swinging mode so that the chair seat (3) can incline towards any direction;

and the locking mechanism (4) is arranged on the mounting seat (21) and can limit the swing of the adjusting pair (22).

2. Swivel chair chassis with angle adjustment function according to claim 1, characterized in that the adjustment pair (22) comprises:

a mounting portion (221), wherein the mounting portion (221) is opened on the mounting seat (21);

a gland (222), wherein the gland (222) is detachably arranged on the mounting seat (21) and forms a spherical mounting chamber (223) with the mounting part (221);

a rotation member (224), the rotation member (224) being provided in a spherical shape and rotatably provided inside the mounting chamber (223);

a connecting rod (225), the connecting rod (225) being fixedly mounted on the rotating member (224); and

the connecting plate (226) is arranged at the other end of the connecting rod (225) relative to the rotating piece (224), and the connecting plate (226) is connected with the chair seat (3).

3. Swivel chair chassis with angle adjusting function according to claim 2, characterized in that the mounting part (221) is arranged as a hemisphere.

4. Swivel chair chassis with angle adjusting function according to claim 2, characterized in that a round hole (2221) is arranged above the gland (222), and the swivel (224) and the connecting rod (225) are arranged protruding the gland (222).

5. Swivel chair chassis with angle adjustment function according to claim 2, characterized in that the adjustment pair (22) further comprises:

the six groups of springs (227) are circumferentially arranged at the bottom of the connecting plate (226) and can be in interference arrangement with the mounting seat (21).

6. Swivel chair chassis with angle adjustment function according to claim 2, characterized in that the locking mechanism (4) comprises:

a containing cavity (41), wherein the containing cavity (41) is arranged in the mounting part (221);

the abutting piece (42) is arranged in the accommodating cavity (41) and can be abutted against the rotating piece (224);

the rotating rod (43) is rotatably arranged on the side surface of the mounting seat (21) through threads; and

and one end of the connecting rod (44) is coaxially and rotatably connected with the rotating rod, and the other end of the connecting rod (44) is fixedly connected with the abutting piece (42).

7. Swivel chair chassis with angle adjustment function according to claim 6, characterized in that the swivel lever (43) comprises:

a threaded section (431), the threaded section (431) being mounted on the mounting base (21) by threaded rotation; and

and a holding section (432), wherein the holding section (432) is arranged on the outer side of the mounting seat (21).