CN209058452U - A kind of novel office chair - Google Patents

Abstract

The utility model discloses a kind of novel office chairs, including cabinet, rectangular aperture is offered at the center of the cabinet inner roof wall, lifting column is provided at the center of the box house, the top of the lifting column extends to outside cabinet through rectangular aperture and is connected with seat, fixed mechanism corresponding with lifting top end is provided on the seat, the two sides that the box house is located at lifting column are provided with threaded rod, the top and bottom end of the threaded rod are rotatablely connected with the inner roof wall of cabinet and inner bottom wall respectively, are threaded with movable block on the threaded rod.Existing pneumatic or hydraulic regulation seat height mode is changed to following regulative mode by the utility model, the height of seat is adjusted by starting driving motor, the direction that wherein seat moves up and down depends on the direction of driving motor driving end rotation, for pneumatic or hydraulic regulative mode, the phenomenon that being not in explosion, is worth promoting.

Description

A kind of novel office chair

Technical field

The utility model relates to office chair technical field more particularly to a kind of novel office chairs.

Background technique

Office chair is also known as chair lift, nowadays either in office or in the study in our family, in addition to sand Except hair, we can see the figure of chair lift, as being just better able to see the presence of chair lift, chair lift in barber shop It has been used in many corners in our lives.

Chair lift is a kind of common swivel chair that cushion lifting is controlled by atmospheric pressure pole.Seat divides cushion, atmospheric pressure pole and turns Take turns three parts.There is a cylinder inside atmospheric pressure pole, the piston rod in cylinder, which moves up and down, dominates swivel chair lifting.It is filling in atmospheric pressure pole It is nitrogen.The principle of air pressure chair just as one also be less than explosion critical point balloon, when being squeezed inside pressure accumulation be increased by, when It may explode when postcritical.

Part producing producer can use inferior materials and turn out substandard goods at present, the chair lift produced can explosive incident frequent occurrence, safety Can not be high, and seat on most of chair lift is all non-dismountable gets off, and it is inconvenient to carry.

Utility model content

Purpose of the utility model is to solve current part producing producers to use inferior materials and turn out substandard goods, the chair lift produced Can explosive incident frequent occurrence, security performance is not high, and the seat on most of chair lift is all non-dismountable gets off, and carries not Convenient problem, and a kind of novel office chair proposed.

To achieve the goals above, the utility model adopts the technical scheme that

A kind of novel office chair, including cabinet offer rectangular aperture, the cabinet at the center of the cabinet inner roof wall Lifting column is provided at internal center, the top of the lifting column extends to outside cabinet through rectangular aperture and is connected with chair , fixed mechanism corresponding with lifting top end is provided on the seat, the two sides that the box house is located at lifting column are equal It is provided with threaded rod, the top and bottom end of the threaded rod are rotatablely connected with the inner roof wall of cabinet and inner bottom wall respectively, the spiral shell It is threaded with movable block on rasp bar, is welded with connecting rod between the movable block and lifting column；

The upper end of the threaded rod is welded with first bevel gear, and the upper end of cabinet two sides inner wall offers and first The corresponding through hole in bevel gear position, the outer wall of the cabinet have been bolted driving motor corresponding with hole site is run through, institute It states and is inserted with drive shaft in through hole, one end of the drive shaft extends into cabinet through through hole and is welded with the second cone tooth Wheel, the second bevel gear engage connection with first bevel gear, and the drive shaft runs through far from one end of second bevel gear The driving end of Kong Bingyu driving motor connects, and for the lower loop of the cabinet lateral wall around multiple chair legs are welded with, the chair leg is remote From being equipped with castor below cabinet one end.

Preferably, the fixed mechanism includes the mounting groove being provided at seat bottom center, the top of the lifting column Be arranged with sleeve, and the inner sidewall of lifting column and sleeve is rotatablely connected, the sleeve be located at mounting groove it is interior and in mounting groove Side walls connection, the two sides inner wall of the mounting groove offer rectangle sliding slot, slidably connect cunning in the rectangle sliding slot Lever, the outer wall of the sleeve offer limiting slot corresponding with sliding boom end, the inner bottom wall and lifting of the rectangle sliding slot Reset spring is connected between column, the downside inner wall of the rectangle sliding slot offers sliding mouth, and outer wall is close on the downside of the sliding bar One end of reset spring is welded with the poke rod being vertical setting with it, and one end of the poke rod is run through sliding mouth and slided to rectangle Extend outside slot.

Preferably, the top of lifting column two sides outer wall is welded with fixed link, and the inner sidewall of the sleeve offers Annular groove corresponding with fixed link.

Preferably, the inner sidewall of the lifting column and rectangular aperture sealing is slidably connected.

Preferably, the drive shaft is rotatablely connected by the inner sidewall of bearing and through hole.

Preferably, the one end of the connecting rod far from movable block and the bottom end of lifting column lateral wall are welded.

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

1, existing pneumatic or hydraulic regulation seat height mode is changed to following regulative mode, passes through starting driving electricity Machine adjusts the height of seat, and the direction that wherein seat moves up and down depends on the direction of driving motor driving end rotation, relatively For pneumatic or hydraulic regulative mode, the phenomenon that being not in explosion, it is worth promoting；

2, sliding mouth is pushed toward the side far from sleeve, so that the limiting slot opened up on sleeve is left in the end of sliding bar It is interior, seat can be disassembled, disassembly mode is relatively simple, disassembles seat facilitate carrying in the handling process, real It is stronger with property, it is worth promoting.

Detailed description of the invention

Fig. 1 be the utility model proposes a kind of novel office chair structural schematic diagram；

Fig. 2 is the enlarged drawing in Fig. 1 at A；

Fig. 3 is the enlarged drawing in Fig. 1 at B；

Fig. 4 is the enlarged drawing in Fig. 1 at C.

In figure: 1 lifting column, 2 seats, 3 cabinets, 4 threaded rods, 5 movable blocks, 6 connecting rods, 7 chair legs, 8 castors, 9 mounting grooves, 10 annular grooves, 11 sliding bars, 12 rectangle sliding slots, 13 reset springs, 14 sliding mouths, 15 poke rods, 16 limiting slots, 17 fixed links, 18 sleeves, 19 rectangular apertures, 20 first bevel gears, 21 second bevel gears, 22 through holes, 23 driving motors, 24 drive shafts.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.

In the description of the present invention, it should be understood that term " on ", "lower", "front", "rear", "left", "right", The orientation or positional relationship of the instructions such as "top", "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.

Referring to Fig.1-4, a kind of novel office chair, including cabinet 3 offer rectangular aperture at the center of 3 inner roof wall of cabinet 19, lifting column 1 is provided at the center inside cabinet 3, and the top of lifting column 1 extends simultaneously through rectangular aperture 19 to outside cabinet 3 It is connected with seat 2, fixed mechanism corresponding with 1 top of lifting column is provided on seat 2, cabinet 3 is internally located at the two of lifting column 1 Side is provided with threaded rod 4, and the top and bottom end of threaded rod 4 are rotatablely connected with the inner roof wall of cabinet 3 and inner bottom wall respectively, screw thread It is threaded with movable block 5 on bar 4, connecting rod 6 is welded between movable block 5 and lifting column 1；

The upper end of threaded rod 4 is welded with first bevel gear 20, and the upper end of 3 two sides inner wall of cabinet offers and the first cone tooth The corresponding through hole 22 in 20 positions is taken turns, the outer wall of cabinet 3 has been bolted driving motor 23 corresponding with 22 position of through hole, has passed through Drive shaft 24 is inserted in perforation 22, one end of drive shaft 24 extends into cabinet 3 through through hole 22 and is welded with the second cone Gear 21, second bevel gear 21 engage connection with first bevel gear 20, and drive shaft 24 runs through far from one end of second bevel gear 21 Through hole 22 is simultaneously connect with the driving end of driving motor 23, and the lower loop of 3 lateral wall of cabinet is around being welded with multiple chair legs 7, chair leg 7 Castor 8 is installed below separate 3 one end of cabinet.

In the utility model, fixed mechanism includes the mounting groove 9 for being provided with 2 bottom center of seat, the top of lifting column 1 Be arranged with sleeve 18, and the inner sidewall of lifting column 1 and sleeve 18 is rotatablely connected, sleeve 18 be located at mounting groove 9 it is interior and with mounting groove 9 Inner sidewall be slidably connected, the two sides inner wall of mounting groove 9 offers rectangle sliding slot 12, slidably connects cunning in rectangle sliding slot 12 Lever 11, the outer wall of sleeve 18 offer limiting slot 16 corresponding with 11 end of sliding bar, the inner bottom wall and liter of rectangle sliding slot 12 It is connected with reset spring 13 between drop column 1, the downside inner wall of rectangle sliding slot 12 offers sliding mouth 14, and 11 downside outer wall of sliding bar leans on One end of nearly reset spring 13 is welded with the poke rod 15 being vertical setting with it, one end of poke rod 15 run through sliding mouth 14 and to Extend outside rectangle sliding slot 12, seat 2 is disassembled, carrying is facilitated, the top of 1 two sides outer wall of lifting column is welded with fixed link 17, the inner sidewall of sleeve 18 offers annular groove 10 corresponding with fixed link 17 so that seat 2 in the same old way can normal rotation, rise Drop column 1 and the inner sidewall sealing of rectangular aperture 19 are slidably connected, and lifting column 1 is limited by rectangular aperture 19 and can not be rotated, and And lifting column 1 and connecting rod 6 are welded, and connecting rod 6 can limit movable block 5, and drive movable block 5 to rotate when preventing threaded rod 4 from rotating, Drive shaft 24 is rotatablely connected by the inner sidewall of bearing and through hole 22, shaking when preventing drive shaft 24 from rotating, and connecting rod 6 is separate One end of movable block 5 and the bottom end of 1 lateral wall of lifting column are welded, and the amplitude of accommodation of 2 height of seat is increased.

In the utility model, existing pneumatic or 2 height of hydraulic regulation seat mode is changed to following regulative mode: being opened The driving end of dynamic driving motor 23, driving motor 23 drives drive shaft 24 to rotate, during drive shaft 24 rotates, the second cone tooth Wheel 21 drive first bevel gears 20 rotate so that lifting column 1 rotate, lifting column 1 rotate during, movable block 5 by The limitation of connecting rod 6 can not rotate, and movable block 5 can only move up and down on threaded rod 4 at this time, and the mobile direction of movable block 5 takes The direction that end rotation is certainly driven in driving motor 23 can drive lifting column 1 to move up and down when movable block 5 is mobile by connecting rod 6, To be adjustable the height of seat 2, and during carrying seat 2, seat 2 can be dismantled from the top of lifting column 1 Get off, be more convenient so that carrying, disassembly mode is as follows: mouth 14 will be slided toward the side promotion far from sleeve 18, so that sliding bar 11 End leave in the limiting slot 16 opened up on sleeve 18, seat 2 can be disassembled.

The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model Within enclosing.

Claims (6)

1. a kind of novel office chair, including cabinet (3), which is characterized in that offer square at the center of cabinet (3) inner roof wall Shape is open (19), and the cabinet (3) is provided with lifting column (1) at internal center, and rectangle is run through on the top of the lifting column (1) Opening (19) extends outside to cabinet (3) and is connected with seat (2), is provided on the seat (2) corresponding with lifting column (1) top Fixed mechanism, the two sides that the cabinet (3) is internally located at lifting column (1) are provided with threaded rod (4), the threaded rod (4) Top and bottom end be rotatablely connected respectively with the inner roof wall of cabinet (3) and inner bottom wall, be threaded with shifting on the threaded rod (4) Motion block (5) is welded with connecting rod (6) between the movable block (5) and lifting column (1)；

The upper end of the threaded rod (4) is welded with first bevel gear (20), and the upper end of cabinet (3) two sides inner wall offers Through hole (22) corresponding with first bevel gear (20) position, the outer wall of the cabinet (3) have been bolted and through hole (22) The corresponding driving motor in position (23), the through hole (22) is interior to be inserted with drive shaft (24), one end of the drive shaft (24) Extend into cabinet (3) and be welded with second bevel gear (21), the second bevel gear (21) and first through through hole (22) Bevel gear (20) engagement connection, the drive shaft (24) far from second bevel gear (21) one end through through hole (22) and with drive The driving end connection of dynamic motor (23), the lower loop of cabinet (3) lateral wall is around being welded with multiple chair legs (7), the chair leg (7) castor (8) are installed below separate cabinet (3) one end.

2. a kind of novel office chair according to claim 1, which is characterized in that the fixed mechanism includes being provided with seat (2) top of the mounting groove (9) of bottom center, the lifting column (1) is arranged with sleeve (18), and lifting column (1) and sleeve (18) inner sidewall rotation connection, the sleeve (18) are located in mounting groove (9) and slide with the inner sidewall of mounting groove (9) and connect It connects, the two sides inner wall of the mounting groove (9) offers rectangle sliding slot (12), slidably connects cunning in the rectangle sliding slot (12) Lever (11), the outer wall of the sleeve (18) offer limiting slot (16) corresponding with sliding bar (11) end, and the rectangle is sliding It is connected with reset spring (13) between the inner bottom wall and lifting column (1) of slot (12), the downside inner wall of the rectangle sliding slot (12) is opened Equipped with sliding mouth (14), on the downside of the sliding bar (11), outer wall is welded with close to one end of reset spring (13) is vertical setting with it Poke rod (15), one end of the poke rod (15) is run through sliding mouth (14) and is extended outside to rectangle sliding slot (12).

3. a kind of novel office chair according to claim 2, which is characterized in that the top of lifting column (1) two sides outer wall End is welded with fixed link (17), and the inner sidewall of the sleeve (18) offers annular groove corresponding with fixed link (17) (10)。

4. a kind of novel office chair according to claim 1, which is characterized in that the lifting column (1) and rectangular aperture (19) inner sidewall sealing is slidably connected.

5. a kind of novel office chair according to claim 1, which is characterized in that the drive shaft (24) passes through bearing and passes through The inner sidewall rotation connection of perforation (22).

6. a kind of novel office chair according to claim 1, which is characterized in that the connecting rod (6) is far from movable block (5) One end and lifting column (1) lateral wall bottom end weld.