CN219835396U

CN219835396U - Lifting and overturning seat structure

Info

Publication number: CN219835396U
Application number: CN202321202385.0U
Authority: CN
Inventors: 孙贡华
Original assignee: Foshan Chengmin Furniture Co ltd
Current assignee: Foshan Chengmin Furniture Co ltd
Priority date: 2023-05-17
Filing date: 2023-05-17
Publication date: 2023-10-17
Anticipated expiration: 2033-05-17

Abstract

The utility model provides a lift seat structure of upset, includes chair frame, seat support, back of the chair and rotation seat, the bottom at the seat support is fixed to the rotation seat, the back of the chair is fixed at the rear side of seat support, the seat support is installed on the seat frame through rotating the seat, be equipped with the horizontal pole that is used for supporting the seat support on the seat frame, through setting up stop gear in rotating the seat, and stop gear has included stopper and spacing chamber, insert the stopper slip in spacing intracavity, it supports the locking of realizing the seat in spacing intracavity through the stopper to rotate the seat and fix, the stopper is for having the cubic structure of certain thickness and stopper perpendicular setting in the horizontal pole top, this kind of stop gear can bear the stress through stopper and spacing chamber chucking cooperation, improve the stability of this structure, avoided appearing because part or structure appear deformation and lead to unable fixed seat's condition.

Description

Lifting and overturning seat structure

Technical Field

The utility model relates to the technical field of seats, in particular to a lifting and overturning seat structure.

Background

In most occasions, the seat is indispensable, such as large-scale public occasions of people like training rooms, meeting rooms or halls, the use amount of the seat is multiplied, and therefore, how to carry the seat becomes a great problem. The designer can increase the gyro wheel in the bottom of seat in order to conveniently promote, still can design into the form of upset folding with the seat in order to make things convenient for more seats of disposable transport some.

The training chair disclosed in China patent No. CN202021822794.7 comprises a supporting unit, a first tubular piece and a second tubular piece, wherein the supporting unit comprises a chair leg unit and a first tubular piece connected with the chair leg unit; a seat surface connected to the first tubular member; two armrest units connected to both ends of the first tubular member by rotation units, respectively, such that the armrest units rotate around the first tubular member on a plane perpendicular to the seating surface; the chair back unit is connected with the two handrail units so as to be positioned between the two handrail units; the first tubular member is arranged on the supporting seat surface, so that the supporting seat surface can rotate around the first tubular member, the fixing structure is positioned and fixed through the L-shaped connecting rod, the fixing structure is too fragile, and the L-shaped connecting rod is easy to deform to cause the incapability of fixing the seat surface.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model provides a lifting and overturning seat structure.

The technical scheme adopted for solving the technical problems is as follows:

the utility model provides a lift seat structure of upset, includes chair frame, seat support, back of the chair and rotates the seat, rotate the seat and fix the bottom at the seat support, the back of the chair is fixed at the rear side of seat support, the seat support is installed on the seat frame through rotating the seat, be equipped with the horizontal pole that is used for supporting the seat support on the seat frame, be equipped with the travel hole that is used for the suit on the horizontal pole on rotating the seat, travel hole and horizontal pole sliding fit, still be equipped with stop gear in the rotation seat, stop gear is including setting up the stopper on the horizontal pole and setting up the spacing chamber in rotating the seat, the stopper slip inserts spacing intracavity and makes the rotation seat locking fixed.

Further, the limiting cavity comprises a locking part and a movable part, one end of the movable part is communicated below the locking part, a guide column used for guiding the limiting block into the movable part from the locking part is further arranged on the limiting block, the rotating seat is limited to rotate when the limiting block is positioned on the locking part and can only move up and down relative to the cross rod, and the rotating seat can rotate relative to the cross rod when the limiting block enters the movable part.

Further, the other end of the movable part faces to the rear of the seat, and the movable part is used for limiting the rotating seat to only rotate forwards relative to the cross rod.

Furthermore, the limiting cavity is internally provided with a guide groove for sliding of the guide post, the guide groove is communicated with the limiting cavity, and the guide post slides in the guide groove when the rotating seat rotates relative to the cross rod.

In the utility model, the travel hole is vertically arranged and limits the cross rod in the up-and-down sliding direction relative to the rotating seat, and the moving direction of the cross rod relative to the travel hole is the same as the moving direction of the guide post relative to the limiting cavity.

Furthermore, two sliding sleeves which are arranged in an up-down matching way are embedded in the travel hole, and sliding holes for the limiting block to pass through and slide are arranged on the sliding sleeve above the travel hole.

Further, the rotating seat comprises a base and a seat cover, the base is fixed at the bottom of the seat, the seat cover is fixed at the bottom of the base, arc grooves are formed in the middle of the base and the seat cover, and the two arc grooves are embedded and matched to form the travel hole.

Further, the base and the base cover clamp and fix the sliding sleeve in the travel hole.

Further, the rotating seats are provided with two groups, and the two groups of rotating seats are arranged at intervals and in the same direction at the bottom of the chair seat.

The utility model has the following advantages and beneficial effects: through setting up stop gear in rotating the seat, and stop gear has included stopper and spacing chamber, with stopper slip insert spacing intracavity, rotate the seat and support the locking fixed that realizes the seat in spacing intracavity through the stopper, the stopper is for having the cubic structure of certain thickness and the stopper sets up perpendicularly in the horizontal pole top, this kind of stop gear can be through stopper and spacing chamber chucking cooperation as bearing structure, do not need certain spare part alone to bear the stress, improve the stability of this structure, avoided appearing because part or structure appear deforming and lead to unable fixed seat's condition.

Drawings

The utility model is further described below with reference to the drawings and embodiments:

FIG. 1 is a schematic view of a seat in the present embodiment;

FIG. 2 is a schematic view of a chair frame according to the present embodiment;

FIG. 3 is a schematic view of a rotating seat in the present embodiment;

FIG. 4 is a disassembled view of the rotating base of the present embodiment;

FIG. 5 is a cross-sectional view of the swivel base of the present embodiment;

fig. 6 is a schematic view of the seat according to the present embodiment after being turned over.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and the present utility model is not limited to the following embodiments.

As shown in fig. 1 to 6, the embodiment discloses a seat structure capable of being lifted and turned upwards, which comprises a seat frame 1, a seat 2, a seat back 3 and a rotating seat 4, wherein the rotating seat 4 is fixed at the bottom of the seat 2, the seat back 3 is fixed at the rear side of the seat 2, the seat frame 1 comprises two sets of side frames 11 which are symmetrically arranged and a cross bar 12 which is connected between the side frames 11 and is used for supporting the seat 2, the rotating seat 4 is provided with a travel hole 43 which is used for being sleeved on the cross bar 12, the travel hole 43 is in sliding fit with the cross bar 12, the rotating seat 4 is also internally provided with a limiting mechanism 5, the limiting mechanism 5 comprises a limiting block 51 which is arranged on the cross bar 12 and a limiting cavity 52 which is arranged in the rotating seat 4, the limiting block 51 is of a block structure with a certain thickness, and the limiting block 51 is vertically arranged right above the cross bar 12, and the limiting block 51 is slidingly inserted into the limiting cavity 52 so as to enable the rotating seat 4 to be locked and fixed.

Further, the limiting cavity 52 includes a locking portion 521 and a movable portion 522, where the movable portion 522 is arc-shaped and one end of the movable portion 522 is connected below the locking portion 521, and the locking portion 521 is vertically elongated, the limiting block 51 is provided with an installation opening 511, a guide post 53 for guiding the limiting block 51 from the locking portion 521 into the movable portion 522 is further provided in the installation opening 511, a middle part of the guide post 53 is installed in the installation opening 511, two ends of the guide post 53 extend out of two sides of the limiting cavity 52 respectively, the guide post 53 is parallel to the cross rod 12, when the limiting block 51 is located in the locking portion 521, the rotating seat 4 is limited to rotate, and can only move up and down relative to the cross rod 12, and when a person sits on the seat 2, the limiting block 51 is pushed to the top end of the locking portion 521 due to gravity, and at this time the seat 2 is completely locked; when the seat 2 is lifted, the limiting block 51 enters the movable part 522, the rotating seat 4 can rotate relative to the cross bar 12, at this time, the seat 2 is unlocked, the rotating seat 4 can rotate relative to the cross bar 12, the rotating seat 4 drives the seat 2 to rotate so as to realize the overturning function of the seat, and preferably, the handle 31 for conveniently lifting the seat is arranged at the rear part of the seat back 3.

Preferably, the other end of the movable portion 522 faces the rear of the seat, the movable portion 522 is configured to limit the rotating seat 4 to only rotate forward relative to the cross bar 12, and when the guide post 53 moves in a direction away from the locking portion 521, the rotating seat 4 turns forward relative to the cross bar 12, and the rotating seat 4 drives the seat 2 to turn over, so that the seat after turning forward can achieve the folding and stacking functions.

In this embodiment, the limiting cavity 52 is further provided with a guiding groove 44 for sliding the guiding post 53, the guiding groove 44 is communicated with the limiting cavity 52, the guiding groove 44 is located in the middle of the limiting cavity 52, when the rotating seat 4 rotates relative to the cross rod 12, the guiding post 53 slides in the guiding groove 44, and the guiding groove 44 is further used for limiting the limiting block 51 at a certain proper angle to prevent the seat 2 from being overturned excessively.

In this embodiment, the travel hole 43 is a vertically arranged elongated hole for the cross bar 12 to slide up and down relative to the rotating seat 4, and the moving direction of the cross bar 12 relative to the travel hole 43 is the same as the moving direction of the guide post 53 relative to the limiting cavity 52; normally, the cross bar 12 will be located at the top end of the travel hole 43 due to the weight of the seat 2, and the guide post 53 is also limited at the top end of the locking portion 521, so that the seat 2 is locked and fixed; when the seat 2 is lifted, the cross bar 12 is moved by the weight of the side frame 11 to the lower end along the travel hole 43, and the guide post 53 is also moved downward by its own weight along the locking portion 521 until it enters the movable portion 522, thereby unlocking the seat 2.

Preferably, in order to make the sliding of the cross rod 12 in the travel hole 43 smoother, two sliding sleeves 45 which are matched up and down are embedded in the travel hole 43, the two sliding sleeves 45 are semi-circular and just embedded on the inner contour of the travel hole 43, a sliding hole 451 through which the limiting block 51 passes and slides is arranged on the sliding sleeve 45 positioned above, and when the cross rod 12 rotates relative to the travel hole 43, the limiting block 51 slides in the sliding hole 451.

Preferably, in order to facilitate the installation of the rotary seat 4, the rotary seat 4 includes a base 41 and a seat cover 42, the base 41 is fixed at the bottom of the seat 2 by a bolt, the seat cover 42 is fixed at the bottom of the base 41 by a bolt, the middle part of the joint of the base 41 and the seat cover 42 is provided with an arc groove 43a, and the upper and lower groups of arc grooves 43a form the travel hole 43 by embedding and matching.

Preferably, the sliding sleeve 45 is installed in the arc groove 43a and the sliding sleeve 45 is clamped and fixed in the travel hole 43 by the base 41 and the seat cover 42.

Preferably, the rotating seats 4 are provided with two groups, the two groups of rotating seats 4 are arranged at intervals and in the same direction at the bottom of the seat 2, and the structure of the seat is more stable and safer by arranging the two groups of rotating seats 4.

The above description is merely illustrative of the utility model and those skilled in the art may make various modifications and additions to the described embodiments or substitutions in a similar manner without departing from the scope of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.

Claims

1. The utility model provides a seat structure of upset is carried in lift, includes seat frame (1), seat support (2), back of the chair (3) and rotates seat (4), rotate seat (4) and fix the bottom at seat support (2), back of the chair (3) are fixed in the rear side of seat support (2), seat support (2) are installed on seat frame (1) through rotating seat (4), be equipped with on seat frame (1) horizontal pole (12) that are used for supporting seat support (2), its characterized in that: the novel rotary seat is characterized in that a travel hole (43) used for being sleeved on the cross rod (12) is formed in the rotary seat (4), the travel hole (43) is in sliding fit with the cross rod (12), a limiting mechanism (5) is further arranged in the rotary seat (4), the limiting mechanism (5) comprises a limiting block (51) arranged on the cross rod (12) and a limiting cavity (52) arranged in the rotary seat (4), and the limiting block (51) is inserted into the limiting cavity (52) in a sliding mode to lock and fix the rotary seat (4).

2. A lift-flip seat structure as defined in claim 1, wherein: the limiting cavity (52) comprises a locking part (521) and a movable part (522), one end of the movable part (522) is communicated below the locking part (521), a guide post (53) used for guiding the limiting block (51) into the movable part (522) from the locking part (521) is further arranged on the limiting block (51), when the limiting block (51) is located at the locking part (521), the rotating seat (4) is limited to rotate and can only move up and down relative to the cross rod (12), and when the limiting block (51) enters the movable part (522), the rotating seat (4) can rotate relative to the cross rod (12).

3. A lift-flip seat structure as defined in claim 2, wherein: the other end of the movable part (522) faces to the rear of the seat, and the movable part (522) is used for limiting the rotation seat (4) to rotate forwards only relative to the cross rod (12).

4. A lift and flip seat structure as defined in claim 3 wherein: the limiting cavity (52) is internally provided with a guide groove (44) for sliding the guide post (53), the guide groove (44) is communicated with the limiting cavity (52), and the guide post (53) slides in the guide groove (44) when the rotating seat (4) rotates relative to the cross rod (12).

5. A lift-flip seat structure as defined in claim 2, wherein: the travel hole (43) is vertically arranged and limits the cross rod (12) in the direction of sliding up and down relative to the rotating seat (4), and the moving direction of the cross rod (12) relative to the travel hole (43) is the same as the moving direction of the guide post (53) relative to the limiting cavity (52).

6. The lift-up flip-over seating structure of claim 5, wherein: two sliding sleeves (45) which are arranged in an up-down matching way are embedded in the travel hole (43), and sliding holes (451) through which the limiting blocks (51) pass and slide are formed in the sliding sleeves (45) above the travel hole.

7. The lift-up flip-over seating structure of claim 6, wherein: the rotating seat (4) comprises a base (41) and a seat cover (42), the base (41) is fixed at the bottom of the seat (2), the seat cover (42) is fixed at the bottom of the base (41), arc grooves (43 a) are formed in the middle of the base (41) and the middle of the seat cover (42), and the two arc grooves (43 a) are embedded and matched to form the travel hole (43).

8. The lift-up flip-over seating structure of claim 7, wherein: the base (41) and the base cover (42) clamp and fix the sliding sleeve (45) in the travel hole (43).

9. The lift-up flip-over seating structure of claim 8, wherein: the rotating seats (4) are provided with two groups, and the two groups of rotating seats (4) are arranged at intervals and in the same direction at the bottom of the chair seat (2).