CN211431802U

CN211431802U - Base capable of swinging, chair framework and chair with chair framework

Info

Publication number: CN211431802U
Application number: CN201922281476.8U
Authority: CN
Inventors: 周根富; 夏咸庆; 张永永
Original assignee: Zhejiang Baizhijia Furniture Co Ltd
Current assignee: Zhejiang Baizhijia Furniture Co Ltd
Priority date: 2019-12-18
Filing date: 2019-12-18
Publication date: 2020-09-08
Anticipated expiration: 2029-12-18

Abstract

The utility model relates to a chair technical field, concretely relates to base, chair skeleton and chair that can sway, include: a support member; the swinging assembly is connected to the support piece and comprises a fixed plate and a movable plate, the fixed plate and the movable plate are rotatably connected to form a containing cavity, and an elastic piece is arranged in the containing cavity; the connecting support is connected to the swinging assembly, so that the stable chair with the swinging function is realized.

Description

Base capable of swinging, chair framework and chair with chair framework

Technical Field

The utility model relates to a chair technical field, concretely relates to base, chair skeleton and chair that can sway.

Background

The existing chair comprises a seat part of the chair and an underframe fixedly connected to the lower part of the chair through a support column, so the chair cannot be swung, the service life of the chair is damaged if the chair is forcibly swung, but if the chair is fixed, a person sits on the chair for a long time, the body of the person is sore and stiff, and the body is not good for health; in addition, utility model patent that publication number is CN201798301U discloses an universal chair that sways, and the seat support is connected with the footing through supporting spring, realizes the universal function of swaing through supporting spring, nevertheless so design also has certain defect, because this embodiment does not produce through the extrusion spring and sways, but when swaing for certain crooked deformation has taken place for the spring, and such mode makes the in-process poor stability of rocking of chair, has certain safe risk.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a base, chair skeleton and chair that stability is good, can sway.

To achieve the above object, the main technical solution of the present invention is a base for swinging a chair, comprising:

the swinging assembly is connected to the support piece and comprises a fixed plate and a movable plate, the fixed plate and the movable plate are rotatably connected to form a containing cavity, and an elastic piece is arranged in the containing cavity;

the supporting piece is connected to the fixing plate;

the connecting bracket is connected to the movable plate.

In some examples, both sides of the fixed plate are provided with protruding rotating shafts, the movable plate is provided with through holes for the rotating shafts to penetrate, the rotating shafts are used as reference lines, and the accommodating cavities at both sides of the rotating shafts are respectively provided with an elastic piece.

In some examples, the supporting member is used as a reference line, and a pair of elastic members are respectively arranged in the cavities at two sides of the supporting member.

In some examples, the movable panel includes a longitudinal portion and a transverse portion connected perpendicular to the longitudinal portion; one end of the elastic part is connected to the bottom surface of the fixing plate, and the other end of the elastic part is connected to the transverse part; the transverse part of the movable plate is provided with a bound edge used for limiting the lower end of the elastic part, and the fixed plate, the movable plate and the connecting beam form a surrounding edge used for limiting the upper end of the elastic part.

In some examples, the connecting bracket comprises a connecting beam, a beam body of the connecting beam is arranged on the movable plate positioned at two sides of the fixed plate, and two ends of the beam body extend and are connected with a mounting plate for mounting the chair bearing part in an upward bending mode.

In some examples, the connecting bracket further comprises a swing arm, one end of the swing arm acts on the connecting beam, and the chair swings back and forth by pulling the swing arm.

In some examples, the support comprises a support shaft and a fixed seat fixedly connected with the support shaft, and the projection of the connecting bracket falls into the area formed by the fixed seat.

In some examples, the cavity is a semi-closed cavity, and an elastic member is respectively arranged at the front end and the rear end in each semi-closed cavity; when the chair swings forwards, the elastic piece at the front end is in a stretching state, and the elastic piece at the rear end is in a compressing state; when the chair swings backwards, the elastic part at the front end is in a compressed state, and the elastic part at the rear end is in a stretched state.

Still provide a chair framework that can sway, including back of the chair skeleton, seat support skeleton and above-mentioned base, back of the chair skeleton is connected in the one end of seat support skeleton, the seat support skeleton is connected with linking bridge.

The chair capable of swinging comprises the chair framework, and flexible filler is filled outside the chair framework.

The utility model adopts the technical proposal that the movable plate is connected with the fixed plate in a relative rotation way, when the movable plate rotates, the elastic parts at the front end and the rear end in the containing cavity are in different deformation states, when the movable plate swings forwards, the elastic part at the front end is stretched, and the elastic part at the rear end is compressed; conversely, when swinging backwards, the elastic element at the front end is compressed, and the elastic element at the rear end is stretched; to perform the rocking function of the chair and to enhance the stability thereof with respect to the separately provided support springs of the prior art.

Drawings

Figure 1 is a schematic structural view of an embodiment of the present invention,

figure 2 is a schematic perspective view of the embodiment of figure 1 without rocking,

figure 3 is a schematic cross-sectional view of the embodiment of figure 1 in a forward swing configuration,

figure 4 is a schematic perspective view of the embodiment of figure 1 swinging forward,

figure 5 is a schematic cross-sectional view of the embodiment of figure 1 in a back swing configuration,

figure 6 is a schematic perspective view of the embodiment of figure 1 swinging backwards,

in the figure: the supporting shaft 1, the fixed plate 2, the movable plate 3, the longitudinal part 31, the transverse part 32, the elastic part 4, the connecting beam 5, the fixed seat 6, the swing arm 7 and the mounting plate 8.

Detailed Description

The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art. The basic principles of the invention, as defined in the following description, may be applied to other embodiments, variations, modifications, equivalents and other technical solutions without departing from the spirit and scope of the invention.

It will be understood by those skilled in the art that in the present disclosure, the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in a generic and descriptive sense only and not for purposes of limitation, as the terms are used in the description to indicate that the referenced device or element must have the specified orientation, be constructed and operated in the specified orientation, and not for the purpose of limitation.

It is to be understood that the terms "a" and "an" are to be interpreted as meaning that a number of one element may be one in one embodiment or multiple in another embodiment, and the terms "a" and "an" are not to be interpreted as limiting the number.

The first embodiment is as follows:

referring to fig. 1 to 6 of the drawings attached to the present specification, according to the present invention, a base capable of swinging is illustrated, the base includes a support member, a swing assembly and a connection bracket, the support member is connected to the swing assembly, the connection bracket is connected to the swing assembly, the swing assembly includes a fixed plate 2 and a movable plate 3 rotatably connected to the fixed plate 2, the fixed plate 2 is connected to the support member, and the movable plate 3 is connected to the connection bracket.

Specifically, the first scheme is as follows: the fixed plate 2 is a top plate, and the movable plate 3 is a side plate; the top plate is fixedly arranged at the top of the supporting shaft 1, the side plates and the top plate form a semi-closed containing cavity, an elastic part 4 is arranged in the containing cavity, the elastic part 4 is implemented as a pressure spring, the side plates are L-shaped and comprise longitudinal parts 31 and transverse parts 32 vertically connected with the longitudinal parts 31, two sides of the top plate are respectively provided with a raised rotating shaft, the longitudinal parts 31 of the side plates are provided with through holes convenient for the rotating shafts to penetrate, so that the side plates can be rotatably connected to one side of the top plate, and two sides of the top plate are respectively rotatably connected with the side plates; further, in some embodiments, the side plate is connected to one side of the top plate by a pin; one end of the pressure spring is connected to the bottom surface of the top plate, and the other end of the pressure spring is connected to the transverse part 32, wherein the transverse part 32 is provided with a wrapping edge which is used for limiting the lower end of the pressure spring to deviate; in this embodiment, if the rotating shaft is used as the reference line, a pair of compression springs are respectively disposed in the cavities located on the left and right sides of the rotating shaft, and if the supporting shaft 1 is used as the reference line, a total of four compression springs are disposed in the cavities located on the left and right sides of the supporting shaft 1.

The support piece comprises a support shaft 1 and a fixed seat 6 fixedly connected to the bottom end of the support shaft 1, in the embodiment, the fixed seat 6 is disc-shaped, the projections of the swinging assembly and the connecting support fall into the area of the disc, in some embodiments, the fixed seat 6 can also be provided with a plurality of supporting legs with outward scattering circle centers, and the bottoms of the supporting legs can also be provided with rollers.

The connecting bracket comprises a connecting beam 5, the beam body of the connecting beam 5 is transversely and fixedly connected to the side plates at two sides, in the embodiment, the front end and the rear end of the side plates at two sides are respectively provided with a connecting beam 5, two ends of the connecting beam 5 extend and bend upwards, two ends of the connecting beam are respectively provided with a mounting plate 8 for being connected with the chair seat framework, in the embodiment, two ends of the mounting plate 8 are respectively connected with the connecting beams 5 at the front end and the rear end, in addition, the connecting bracket also comprises a swing arm 7, one end of the swing arm 7 is connected to the beam body of the connecting beam 5 at the rear end, the swing arm 7 is stretched or pushed, so that the side plates rotate relative to the top plate, further the front end pressure spring and the rear end pressure spring in the accommodating cavity are subjected to different deformation quantities, and the specific deformation state of the front end pressure spring and the rear end, in the present specification, the definition of the front and rear ends specifically means that the rotation axis is a reference line, the front end is located on the left side of the rotation axis, and the rear end is located on the right side of the rotation axis, taking the example of fig. 1 as an example.

The fixed plate 2, the movable plate 3 and the connecting beams 5 at the front end and the rear end form a surrounding edge for limiting the deviation of the upper end of the pressure spring.

In addition, a second scheme is basically the same as the first scheme, and the difference is that the fixed plate 2 is a side plate, and the movable plate 3 is a top plate; the transverse parts 32 of the top plates on the two sides are fixedly connected with the supporting shaft 1, the connecting cross beams 5 at the front end and the rear end are respectively connected with the front end and the rear end of the top plates, and the base swings by swinging the top plates.

Example two:

the utility model also provides a chair skeleton that can sway (the figure is slightly), the chair skeleton includes the base that back of the chair skeleton, seat support skeleton and embodiment one were elucidated, and the bottom of back of the chair skeleton is connected in the one end of seat support skeleton, and in some embodiments, back of the chair skeleton can rotate relative seat support skeleton, and seat support skeleton both sides are connected with embodiment one respectively mounting panel 8 to make the base be connected with the seat support skeleton, in some embodiments, the chair skeleton still includes leg support skeleton, and leg support skeleton realizes placing of leg and accomodating of chair through articulating in the other end of seat support skeleton.

Example three:

the utility model also provides a chair that can sway (the figure is slightly drawn), the chair is including bearing portion and back portion, its bearing portion is by embodiment two the seat support skeleton and fill flexible fillers such as sponge, plastic foam on the seat support skeleton and form, and on the same reason, the back portion is by embodiment two the back of the chair skeleton and fill flexible fillers such as sponge, plastic foam on the back of the chair skeleton and form, its bearing portion down the end connection have embodiment one the base to form a complete chair that can sway, in addition, in some embodiments, its chair still includes leg support portion, its leg support portion is by embodiment two leg support skeleton and fill flexible fillers such as sponge, plastic foam on leg support skeleton and form, leg support portion can extend or draw in, realizes placing of leg and accomodating of chair.

The chair is used in a swinging mode as follows:

the first method is as follows: under the condition that the swing arm 7 is not arranged, when the gravity center deviates to the rear end through the self gravity of a human body, the pressure spring at the rear end is in an extension shape, and the pressure spring at the front end is in a compression shape; when the center of gravity shifts towards the front end, the compression spring at the rear end is in a compressed state, and the compression spring at the front end is in an extended state.

The second method comprises the following steps: under the condition that the swing arm 7 is arranged, when the swing arm 7 pushes the beam body connected with the cross beam 5 downwards, the pressure spring at the rear end is in an extension shape, and the pressure spring at the front end is in a compression shape, and at the moment, the bearing part of the chair is in a sinking state, so that the gravity center of a user is deviated to the rear end; when the swing arm 7 gives upward pulling force to the beam body, the compression spring at the rear end is in a compressed state, the compression spring at the front end is in an extended state, and the bearing part of the chair is in a raised state, so that the gravity center of a user is deviated to the front end.

It will be understood by those skilled in the art that the embodiments of the present invention as described above and shown in the drawings are given by way of example only and are not limiting of the present invention.

The objects of the present invention have been fully and effectively accomplished. The functional and structural principles of the present invention have been shown and described in the embodiments without departing from the principles, embodiments of the present invention may have any deformation or modification.

Claims

1. A rocking base, comprising:

the swinging assembly is connected to the support and comprises a fixed plate (2) and a movable plate (3), the fixed plate (2) and the movable plate (3) are rotatably connected to form a containing cavity, and an elastic part (4) is arranged in the containing cavity;

a support member connected to the fixing plate (2);

the connecting bracket is connected to the movable plate (3).

2. The rocking base of claim 1, wherein the fixed plate (2) is provided with protruding shafts on both sides, the movable plate (3) is provided with through holes for the shafts to pass through, and the cavities on both sides of the shafts are provided with elastic members (4) respectively by using the shafts as reference lines.

3. The rocking base of claim 1, wherein the support member is used as a reference line, and a pair of resilient members (4) are respectively disposed in the cavities at both sides of the support member.

4. The swingable base according to claim 1, wherein the movable plate (3) comprises a longitudinal portion (31) and a transverse portion (32) perpendicularly connected to the longitudinal portion (31); one end of the elastic piece (4) is connected to the bottom surface of the fixed plate (2), and the other end is connected to the transverse part (32); the horizontal part (32) of the movable plate (3) is provided with a covered edge used for limiting the lower end of the elastic part (4), and the fixed plate (2), the movable plate (3) and the connecting beam (5) form a surrounding edge used for limiting the upper end of the elastic part (4).

5. The rocking base of claim 1, wherein the connecting bracket comprises a connecting beam (5), the beam of the connecting beam (5) being arranged on the movable plate (3) on both sides of the fixed plate (2), the two ends of the beam extending and being bent upwards to connect with a mounting plate (8) for mounting the seat of the chair.

6. The rocking base of claim 5, wherein the connecting bracket further comprises a swing arm (7), one end of the swing arm (7) acting on the connecting beam (5) and the chair being swung back and forth by lifting the swing arm (7).

7. The rocking base of claim 1, wherein the support comprises a support shaft (1) and a holder (6) fixedly connected to the support shaft (1), the projection of the connecting bracket falling within the area of the holder (6).

8. The rocking base according to claim 2, wherein the cavity is a semi-enclosed cavity, with an elastic member (4) being provided at each of the front and rear ends of the semi-enclosed cavity; when the chair swings forwards, the elastic part (4) at the front end is in a stretching state, and the elastic part (4) at the rear end is in a compressing state; when the chair swings backwards, the elastic element (4) at the front end is in a compressed state, and the elastic element (4) at the rear end is in a stretched state.

9. A rocking chair frame comprising a chair back frame, a chair seat frame and a base as claimed in any one of claims 1 to 8, the chair back frame being connected to one end of the chair seat frame, the chair seat frame being connected to a connecting bracket.

10. A rocking chair, comprising the chair frame of claim 9, wherein the chair frame is externally filled with a flexible filler.