CN212382364U

CN212382364U - Multifunctional office chair

Info

Publication number: CN212382364U
Application number: CN202020495343.0U
Authority: CN
Inventors: 许秀真
Original assignee: Foshan Tuer Furniture Co ltd
Current assignee: Foshan Tuer Furniture Co ltd
Priority date: 2020-04-08
Filing date: 2020-04-08
Publication date: 2021-01-22
Anticipated expiration: 2030-04-08

Abstract

The utility model discloses a multifunctional office chair, which comprises a seat cushion, wherein the top of the seat cushion is welded with a front handle and a rear handle which are inverted into an L shape, a rectangular backrest is arranged between the front handle and the rear handle, a cylindrical first fixed block is welded at the central position of the bottom of the seat cushion, a second groove for placing a bearing is arranged at the bottom of the first fixed block, a round hole for inserting an L-shaped positioning pin is arranged on the outer wall of the left side of the first fixed block, a first screw hole for screwing a screw rod is arranged at the top of the second groove, five support legs are welded at equal angles on the outer wall of the second fixed block, universal wheels are arranged at the bottom ends of the support legs, the utility model mainly comprises that when a stop block is positioned inside an outer ring of the bearing, the seat cushion can rotate horizontally through the bearing, when the stop block is positioned inside an inner ring of the bearing, the bearing can not, thereby achieving the purpose of adjusting the height of the seat cushion.

Description

Multifunctional office chair

Technical Field

The utility model relates to an office chair field specifically is a multi-functional office chair.

Background

The office chair is the most common chair in an office, because the volume of the chair is relatively small, the occupied space is small, a lot of office chairs can be placed in the office, and the office chair cannot occupy too large space, the office chairs on the market are various in variety, the common multifunctional office chair is a lifting chair, namely a swivel chair with the height of the chair surface adjustable up and down and the chair surface capable of horizontally rotating, and because the lifting device for adjusting the height is arranged below the chair surface of the chair, the chair surface can be lifted up and down; the lifting chair is divided into a pneumatic lifting chair and a hydraulic lifting chair, and the hydraulic lifting chair is expensive in cost, relatively complex in structure, inflexible in height adjustment, low in domestic market share, low in cost, simple in structure, flexible in operation and the like, and is popular with consumers, but the lifting structure of the pneumatic lifting chair is easy to damage, high in maintenance rate, and short of a multifunctional office chair with a lifting structure, which is not easy to damage, for use in offices, and the maintenance rate of the chair is reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multifunctional office chair through office chair's theory of operation, can solve the not fragile problem of elevation structure, effectively reduces office chair's maintenance rate.

In order to achieve the above object, the utility model provides a following technical scheme: a multifunctional office chair comprises a seat cushion, wherein a front handle and a rear handle which are inverted in an L shape are welded at the top of the seat cushion, a rectangular backrest is installed between the front handle and the rear handle, the bottom of the backrest is welded with the top of the seat cushion, a cylindrical first fixed block is welded at the central position of the bottom of the seat cushion, a second groove for placing a bearing is formed in the bottom of the first fixed block, a round hole for inserting an L-shaped positioning pin is formed in the outer wall of the left side of the first fixed block, a rectangular stop block is welded at the right end of the positioning pin, a round hole for penetrating the stop block is formed in the outer ring of the bearing, at least four third grooves for inserting the stop block are formed in the outer wall of the inner ring of the bearing at equal angles, a first screw hole for screwing a screw rod is formed in the top of the second groove, and, the fixed plate is fixed with the bottom of columniform second fixed block through first bolt, the confession has been seted up to the bottom of second fixed block the first recess that the fixed plate was placed, the confession has been seted up at the top of first recess the round hole that the screw rod passed, the equiangular welding of the outer wall of second fixed block has five landing legs, the universal wheel is installed to the bottom of landing leg.

Preferably, the outer wall of the screw is in threaded connection with the inner wall of the inner ring of the bearing, and the outer wall of the outer ring of the bearing is welded with the inner wall of the second groove.

Preferably, the top of the screw rod is integrally formed with a cylindrical bump, the outer wall of the bump is smoothly arranged, and the falling of the seat cushion caused by excessive rising of the screw rod is avoided.

Preferably, the bottom of the backrest is provided with an arc-shaped bulge, so that the waist can be supported conveniently, and the top of the backrest is arranged in an arc shape.

Preferably, the legs are arranged in an irregular inverted L shape.

Preferably, the corner of the handle is arc-shaped, and the left side wall of the seat cushion is arc-shaped, so that various parts of the body can be prevented from being scratched by sharp corners.

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

1. the utility model discloses mainly when the dog is located the inside of the outer loop of bearing, but the seatpad passes through the bearing horizontal direction and rotates, and when the dog was located the inside of the inner ring of bearing, the bearing can not rotate, and the seatpad is rotatory, and the screw thread that the screw rod passes through the inner ring inner wall of bearing risees or reduces to reach the height of adjusting the seatpad.

2. Through the utility model discloses the fixed plate, the screw rod that set up are can dismantle the setting, are convenient for accomodate and the maintenance in later stage.

Drawings

FIG. 1 is a sectional view of the multifunctional office chair of the present invention;

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

FIG. 3 is a schematic view of the screw rod of the multifunctional office chair of the present invention;

fig. 4 is a schematic view of the multifunctional office chair of the present invention.

In the figure: 1. a seat cushion; 2. a handle; 3. a backrest; 4. a protrusion; 5. a first fixed block; 6. a screw; 7. a second fixed block; 8. a support leg; 9. a universal wheel; 10. a fixing plate; 11. a first bolt; 12. a first groove; 13. a bearing; 14. positioning pins; 15. a stopper; 16. a second groove; 17. a third groove; 18. a bump; 19. a first screw hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The same reference numbers in different drawings identify the same or similar elements; it should be further understood that terms such as "first," "second," "third," "upper," "lower," "front," "rear," "inner," "outer," "end," "portion," "section," "width," "thickness," "zone," and the like, may be used solely for convenience in reference to the figures and to aid in describing the invention, and are not intended to limit the invention.

Referring to fig. 1-4, the present invention provides a technical solution: a multifunctional office chair comprises a seat cushion 1, wherein the top of the seat cushion 1 is welded with a front handle 2 and a rear handle 2 which are inverted L-shaped, the corners of the handles 2 are arranged in an arc shape, and the left side wall of the seat cushion 1 is arranged in an arc shape, so that the situation that various parts of a body are scratched due to sharp corners is avoided; a rectangular backrest 3 is arranged between the front handle 2 and the rear handle 2, the bottom of the backrest 3 is welded with the top of the seat cushion 1, an arc-shaped bulge 4 is arranged at the bottom of the backrest 3, so that the waist can be supported conveniently, and the top of the backrest 3 is arranged in an arc shape;

a first cylindrical fixing block 5 is welded at the center of the bottom of the seat cushion 1, a second groove 16 for placing a bearing 13 is formed in the bottom of the first fixing block 5, a round hole for inserting an L-shaped positioning pin 14 is formed in the outer wall of the left side of the first fixing block 5, a rectangular stop block 15 is welded at the right end of the positioning pin 14, a round hole for allowing the stop block 15 to penetrate through is formed in the outer ring of the bearing 13, at least four third grooves 17 for inserting the stop blocks 15 are formed in the outer wall of the inner ring of the bearing 13 at equal angles, a first screw hole 19 for screwing the screw rod 6 is formed in the top of the second groove 16, the outer wall of the screw rod 6 is screwed with the inner wall of the inner ring of the bearing 13, and the outer wall;

the top of the screw 6 is integrally formed with a cylindrical lug 18, and the outer wall of the lug 18 is smoothly arranged, so that the falling off of the seat cushion 1 caused by excessive rising of the screw 6 is avoided;

the welding of the bottom of screw rod 6 has circular shape fixed plate 10, and fixed plate 10 is fixed with the bottom of columniform second fixed block 7 through first bolt 11, and the first recess 12 that supplies fixed plate 10 to place is seted up to the bottom of second fixed block 7, and the round hole that supplies screw rod 6 to pass is seted up at the top of first recess 12, and the equal angle welding of the outer wall of second fixed block 7 has five landing legs 8, and landing leg 8 is the L shape setting of irregular inversion, and universal wheel 9 is installed to landing leg 8's bottom.

The working principle is as follows: the positioning pin 14 is held by a hand to be pulled to the left side, the stop block 15 is in contact with the first fixing block 5, the stop block 15 is located inside an outer ring of the bearing 13, the seat cushion 1 can rotate in the horizontal direction through rotation of an inner ring and the outer ring of the bearing 13, the positioning pin 14 is held by the hand to be pushed to the right side, the stop block 15 enters any one of the third grooves 17, the inner ring and the outer ring of the bearing 13 cannot rotate, the seat cushion 1 is rotated, the screw rod 6 rises or falls through threads on the inner wall of the inner ring of the bearing 13, and therefore the height of the seat cushion 1 is adjusted, and the screw rod 6 and the fixing plate 10.

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

Claims

1. A multifunctional office chair comprises a seat cushion (1), and is characterized in that: the top welding of seatpad (1) has around two handle (2) of invering L shape, two around install rectangle back (3) between handle (2), the bottom of back (3) with the top welding of seatpad (1), the central point of the bottom of seatpad (1) puts the welding and has columniform first fixed block (5), the second recess (16) that supply bearing (13) to place is seted up to the bottom of first fixed block (5), the round hole that supplies L shape locating pin (14) to insert is seted up to the left outer wall of first fixed block (5), the right-hand member welding of locating pin (14) has the dog (15) of rectangle, the round hole that supplies dog (15) to pass is seted up to the outer loop of bearing (13), the outer wall isogonism of the inner ring of bearing (13) has seted up four at least confession third recess (17) that dog (15) inserted, first screw (19) that supply screw rod (6) spiro union are seted up at the top of second recess (16), the bottom welding of screw rod (6) has circular shape fixed plate (10), fixed plate (10) are fixed with the bottom of columniform second fixed block (7) through first bolt (11), the confession has been seted up to the bottom of second fixed block (7) first recess (12) that fixed plate (10) were placed, the confession has been seted up at the top of first recess (12) the round hole that screw rod (6) passed, the angular welding such as the outer wall of second fixed block (7) has five landing legs (8), universal wheel (9) are installed to the bottom of landing leg (8).

2. A multifunctional office chair as claimed in claim 1, wherein: the outer wall of the screw (6) is in threaded connection with the inner wall of the inner ring of the bearing (13), and the outer wall of the outer ring of the bearing (13) is welded with the inner wall of the second groove (16).

3. A multi-function office chair as claimed in claim 2, wherein: the top of the screw rod (6) is integrally formed with a cylindrical bump (18), and the outer wall of the bump (18) is smoothly arranged.

4. A multifunctional office chair as claimed in claim 1, wherein: the bottom of the backrest (3) is provided with an arc-shaped bulge (4), and the top of the backrest (3) is arc-shaped.

5. A multifunctional office chair as claimed in claim 1, wherein: the supporting legs (8) are arranged in an irregular inverted L shape.

6. A multifunctional office chair as claimed in claim 1, wherein: the corner of the handle (2) is arc-shaped, and the left side wall of the seat cushion (1) is arc-shaped.