CN220024575U

CN220024575U - Folding supporting structure and multifunctional noon break office chair

Info

Publication number: CN220024575U
Application number: CN202321641949.0U
Authority: CN
Inventors: 罗创能; 罗加勤; 陈继清; 刘双福; 刘田保; 陆亚卜; 谭文丽; 潘淑美
Original assignee: Guangdong Green Office Furniture Co ltd
Current assignee: Guangdong Green Office Furniture Co ltd
Priority date: 2023-06-26
Filing date: 2023-06-26
Publication date: 2023-11-17
Anticipated expiration: 2033-06-26

Abstract

The utility model relates to the technical field of office chairs, in particular to a folding supporting structure and a multifunctional noon break office chair, which comprises the following components: a support base plate and a support frame; through having cup jointed the connecting block at the fixed surface of support frame for the support frame can rotate along with the dwang, through having cup jointed driven gear at the fixed surface of dwang, when the rotation handle makes ratchet rotate clockwise, make the support frame anticlockwise rotate along with the dwang, through setting up the pull bottom plate in the bottom of supporting baseplate, can take out the pull bottom plate, be convenient for support user's shank when noon break, through being equipped with the holding pawl at the upper end surface of ratchet, can prevent that the ratchet from rotating clockwise under abnormal operation, improve the steadiness that the support frame was adjusted, when the turned angle of need adjusting the support frame, can manually dial the holding pawl, the turning handle carries out angle adjustment, the limited problem of angle regulation has been solved, can satisfy user's more demands, application scope is great.

Description

Folding supporting structure and multifunctional noon break office chair

Technical Field

The utility model relates to the technical field of office chairs, in particular to a folding supporting structure and a multifunctional noon break office chair.

Background

Office chairs refer to various chairs equipped for convenience in daily work and social activities, including folding noon break chairs, middle office chairs, guest chairs, staff chairs, conference chairs, guest chairs, training chairs, and the like.

In the prior art, when people work for noon break, a folding noon break office chair is generally needed, so that people can rest on the noon break chair after working to relieve fatigue, and the working efficiency of afternoon work is ensured.

However, some noon break office chairs use locating pins and locating holes to adjust the inclination angle of the chair back, so that the adjustment angle of the chair back is limited, the basic requirement of daily use can be met, and the application range is small.

Disclosure of Invention

The utility model aims to provide a folding supporting structure and a multifunctional noon break office chair, which are used for solving the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a folding support structure comprising: the device comprises a supporting bottom plate and a supporting frame, wherein a connecting block is fixedly sleeved on one end surface of the supporting frame, and a rotating rod is fixedly connected to one end of the connecting block;

one end of the rotating rod is rotatably arranged on the side wall of one end of the supporting bottom plate, the other end of the rotating rod is inserted into the supporting bottom plate and is provided with a driven gear, the surface of the driven gear is connected with a driving gear in a meshed manner, one end of the driving gear is connected with a ratchet wheel, and the upper end of the ratchet wheel is provided with a stop pawl;

a cross rod is fixedly arranged in the support frame, first mounting blocks are symmetrically arranged on the surface of the cross rod, and a first support piece is rotatably arranged between the two first mounting blocks;

the bottom of the supporting bottom plate is provided with a drawing bottom plate, second installation blocks are symmetrically and fixedly installed at the bottom of the drawing bottom plate, second supporting pieces are rotatably installed between the two second installation blocks, sliding rails are symmetrically installed at two sides of the drawing bottom plate, and a plurality of balls are rotatably installed at the inner bottom walls of the two sliding rails.

Preferably, the pivoted lever is located the surface symmetry of connecting block both sides and rotates and cup joints the supporting shoe, and the one end of two supporting shoes is all fixed mounting on supporting baseplate.

Preferably, one end of the rotating rod inserted into the supporting bottom plate is rotatably connected with the inner wall of the supporting bottom plate, and the driven gear is fixedly sleeved on the surface of the end of the rotating rod.

Preferably, one end of the rotating shaft of the driving gear is rotationally connected with the inner side wall of the supporting bottom plate, and the other end of the rotating shaft of the driving gear penetrates through the side wall of the supporting bottom plate and is fixedly connected with the ratchet wheel.

Preferably, one end of the ratchet wheel is fixedly provided with a handle, the upper end surface of the ratchet wheel is clamped with a locking claw, and a rotating shaft of the locking claw is rotatably arranged on the outer side wall of the supporting bottom plate.

Preferably, the inside of support frame evenly installs a plurality of horizontal pole, and the fixed surface of keeping away from a horizontal pole of dwang has cup jointed first installation piece.

Preferably, the upper ends of the two sliding rails are fixedly arranged at the bottom end of the supporting bottom plate, and the opening directions of the two sliding rails are opposite.

Preferably, the drawing bottom plate is T-shaped, and two sides of the drawing bottom plate are respectively and slidably arranged in the two sliding rails.

A multifunctional noon break office chair comprises the folding supporting structure.

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

according to the utility model, the connecting block is fixedly sleeved on the surface of the support frame, so that the support frame can rotate along with the rotating rod, the driven gear is fixedly sleeved on the surface of the rotating rod, when the ratchet wheel rotates clockwise by the rotating handle, the support frame rotates anticlockwise along with the rotating rod, the drawing bottom plate is arranged at the bottom end of the supporting bottom plate, the drawing bottom plate can be drawn out, the legs of a user can be conveniently supported in noon break, the locking claw is arranged on the upper end surface of the ratchet wheel, the ratchet wheel can be prevented from rotating clockwise under abnormal operation, the adjusting stability of the support frame is improved, the locking claw can be manually pulled out when the rotating angle of the support frame is required to be adjusted, the problem that the adjusting angle is limited is solved, more requirements of the user can be met, and the application range is larger.

Drawings

FIG. 1 is a perspective view of the overall structure of the present utility model;

FIG. 2 is a schematic perspective view of the expanded structure of the present utility model;

FIG. 3 is a schematic top view of the overall structure of the present utility model;

FIG. 4 is an exploded view of the ratchet mechanism of the present utility model;

fig. 5 is an exploded view of a partial structure of the present utility model.

In the figure: 1. a support base plate; 2. a support frame; 3. a cross bar; 4. a connecting block; 5. a rotating lever; 6. a support block; 7. a driven gear; 8. a drive gear; 9. a ratchet wheel; 10. a locking claw; 11. a first support; 12. a first mounting block; 13. drawing the bottom plate; 14. a slide rail; 15. a ball; 16. a second support; 17. a second mounting block; 18. a handle.

Detailed Description

In order to make the objects, technical solutions, and advantages of the present utility model more apparent, the embodiments of the present utility model will be further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are some, but not all, embodiments of the present utility model, are intended to be illustrative only and not limiting of the embodiments of the present utility model, and that all other embodiments obtained by persons of ordinary skill in the art without making any inventive effort are within the scope of the present utility model.

In the description of the present utility model, it should be noted that the terms "center," "middle," "upper," "lower," "left," "right," "inner," "outer," "top," "bottom," "side," "vertical," "horizontal," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the devices 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 "a," an, "" the first, "" the second, "" the third, "" the fourth, "" the fifth, "and the sixth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

For purposes of brevity and description, the principles of the embodiments are described primarily by reference to examples. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the embodiments. It will be apparent, however, to one of ordinary skill in the art that the embodiments may be practiced without limitation to these specific details. In some instances, well-known methods and structures have not been described in detail so as not to unnecessarily obscure the embodiments. In addition, all embodiments may be used in combination with each other.

Referring to fig. 1 to 5, the present utility model provides a technical solution: a folding support structure comprising: the support comprises a support bottom plate 1 and a support frame 2, wherein a connecting block 4 is fixedly sleeved on the surface of one end of the support frame 2, and a rotating rod 5 is fixedly connected to one end of the connecting block 4;

one end of the rotating rod 5 is rotatably arranged on the side wall of one end of the supporting bottom plate 1, the other end of the rotating rod 5 is inserted into the supporting bottom plate 1 and is provided with a driven gear 7, the surface of the driven gear 7 is connected with a driving gear 8 in a meshed manner, one end of the driving gear 8 is connected with a ratchet wheel 9, and the upper end of the ratchet wheel 9 is provided with a stop pawl 10; the swivelling levers 5 are located the surface symmetry of connecting block 4 both sides and rotate and cup joint supporting shoe 6, and the one end of two supporting shoes 6 is all fixed mounting on supporting baseplate 1. One end of the rotating rod 5 inserted into the supporting base plate 1 is rotatably connected with the inner wall of the supporting base plate 1, and the driven gear 7 is fixedly sleeved on the end surface of the rotating rod 5. One end of a rotating shaft of the driving gear 8 is rotationally connected with the inner side wall of the supporting bottom plate 1, and the other end of the rotating shaft of the driving gear 8 penetrates through the side wall of the supporting bottom plate 1 and is fixedly connected with the ratchet wheel 9. A handle 18 is fixedly arranged at one end of the ratchet wheel 9, a stop pawl 10 is clamped on the upper end surface of the ratchet wheel 9, and a rotating shaft of the stop pawl 10 is rotatably arranged on the outer side wall of the supporting bottom plate 1.

The inside of the support frame 2 is fixedly provided with a cross rod 3, the surface of the cross rod 3 is symmetrically provided with first installation blocks 12, and a first support piece 11 is rotatably installed between the two first installation blocks 12; a plurality of cross bars 3 are uniformly arranged in the support frame 2, and a first mounting block 12 is fixedly sleeved on the surface of one cross bar 3 far away from the rotating rod 5.

The bottom of the supporting baseplate 1 is provided with a drawing baseplate 13, the bottom of the drawing baseplate 13 is symmetrical and fixedly provided with second installation blocks 17, a second supporting piece 16 is rotatably installed between the two second installation blocks 17, sliding rails 14 are symmetrically installed on two sides of the drawing baseplate 13, and a plurality of balls 15 are rotatably installed on the inner bottom walls of the two sliding rails 14. The upper ends of the two slide rails 14 are fixedly arranged at the bottom end of the supporting bottom plate 1, and the opening directions of the two slide rails 14 are opposite. The drawing bottom plate 13 is T-shaped, and two sides of the drawing bottom plate 13 are respectively and slidably arranged in the two sliding rails 14.

When the device works, through fixedly sleeving a connecting block 4 on one end surface of a support frame 2 and fixedly sleeving the other end of the connecting block 4 on the surface of a rotating rod 5, when the rotating rod 5 rotates, the support frame 2 can rotate around the rotating rod 5, through fixedly sleeving a driven gear 7 on one end surface of the rotating rod 5 and meshing and connecting a driving gear 8 on the surface of the driven gear 7, when a rotating handle 18 makes a ratchet wheel 9 rotate clockwise, the driving gear 8 also rotates clockwise and drives the driven gear 7 to rotate anticlockwise, thereby realizing the function of the support frame 2 rotating anticlockwise along with the rotating rod 5, realizing the support of the support frame 2 by installing a first support piece 11 on a transverse rod 3 of the support frame 2 and rotating the first support piece 11 to be in contact with the ground, and by arranging a drawing bottom plate 13 at the bottom end of the support bottom plate 1, the drawing bottom plate 13 can be drawn out from the lower end of the support bottom plate 1, the second support piece 16 is convenient for supporting the leg of a user and is rotated to be in contact with the ground, the pulling bottom plate 13 is supported, the friction force between the sliding rail 14 and the pulling bottom plate 13 can be reduced by arranging the ball 15 on the inner bottom wall of the sliding rail 14, so that the pulling is smoother, the ratchet 9 can be prevented from rotating clockwise under abnormal operation by clamping the stop pawl 10 on the upper end surface of the ratchet 9, if the user sits on an office chair and leans against the support frame 2, the support frame 2 is stressed to not rotate anticlockwise, the adjusting stability of the support frame 2 can be improved, when the rotating angle of the support frame 2 needs to be adjusted, the stop pawl 10 can be manually pulled out, the handle 18 is rotated according to the use requirement to adjust the angle, the problem of limited adjusting angle is solved, more requirements of the user can be met, the application range is larger.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A folding support structure comprising: supporting baseplate (1) and support frame (2), its characterized in that: a connecting block (4) is fixedly sleeved on the surface of one end of the supporting frame (2), and a rotating rod (5) is fixedly connected with one end of the connecting block (4);

one end of the rotating rod (5) is rotatably arranged on one end side wall of the supporting bottom plate (1), the other end of the rotating rod (5) is inserted into the supporting bottom plate (1) and is provided with a driven gear (7), a driving gear (8) is connected to the surface of the driven gear (7) in a meshed mode, one end of the driving gear (8) is connected with a ratchet wheel (9), and a stop pawl (10) is arranged at the upper end of the ratchet wheel (9);

the inside of the support frame (2) is fixedly provided with a cross rod (3), the surface of the cross rod (3) is symmetrically provided with first installation blocks (12), and a first support piece (11) is rotatably arranged between the two first installation blocks (12);

the bottom of the supporting bottom plate (1) is provided with a drawing bottom plate (13), the bottom of the drawing bottom plate (13) is symmetrical and fixedly provided with second installation blocks (17), second supporting pieces (16) are rotatably installed between the two second installation blocks (17), sliding rails (14) are symmetrically installed on two sides of the drawing bottom plate (13), and a plurality of balls (15) are rotatably installed on the inner bottom walls of the two sliding rails (14).

2. A folding support structure according to claim 1, characterized in that: the surface symmetry that dwang (5) are located connecting block (4) both sides and rotate and cup joint supporting shoe (6), and the one end of two supporting shoes (6) is all fixed mounting on supporting baseplate (1).

3. A folding support structure according to claim 2, characterized in that: one end of the rotating rod (5) inserted into the supporting bottom plate (1) is rotatably connected with the inner wall of the supporting bottom plate (1), and the driven gear (7) is fixedly sleeved on the surface of the end of the rotating rod (5).

4. A folding support structure according to claim 3, characterized in that: one end of a rotating shaft of the driving gear (8) is rotationally connected with the inner side wall of the supporting bottom plate (1), and the other end of the rotating shaft of the driving gear (8) penetrates through the side wall of the supporting bottom plate (1) and is fixedly connected with the ratchet wheel (9).

5. A folding support structure according to claim 4, wherein: one end of the ratchet wheel (9) is fixedly provided with a handle (18), the upper end surface of the ratchet wheel (9) is clamped with a locking claw (10), and a rotating shaft of the locking claw (10) is rotatably arranged on the outer side wall of the supporting bottom plate (1).

6. A folding support structure according to claim 5, wherein: the inside of support frame (2) evenly installs a plurality of horizontal pole (3), and the fixed surface of keeping away from one horizontal pole (3) of dwang (5) has cup jointed first installation piece (12).

7. A folding support structure according to claim 6, wherein: the upper ends of the two sliding rails (14) are fixedly arranged at the bottom end of the supporting bottom plate (1), and the opening directions of the two sliding rails (14) are opposite.

8. A folding support structure according to claim 7, wherein: the drawing bottom plate (13) is T-shaped, and two sides of the drawing bottom plate (13) are respectively and slidably arranged in the two sliding rails (14).

9. A multifunctional noon break office chair is characterized in that: a folding support structure comprising any one of the preceding claims 1-8.