CN209489744U

CN209489744U - A kind of office's office chair

Info

Publication number: CN209489744U
Application number: CN201820821620.5U
Authority: CN
Inventors: 卜军
Original assignee: Angie Millan Furniture Co Ltd
Current assignee: Angie Millan Furniture Co Ltd
Priority date: 2018-05-23
Filing date: 2018-05-23
Publication date: 2019-10-15
Anticipated expiration: 2028-05-23

Abstract

The utility model discloses a kind of office's office chairs, including seat cushion, backrest, headrest, supporting block, mounting groove, bottom plate, support base, cavity, screw rod, lifting device, the left end central interior of connecting plate offers horizontally disposed jack, bracket is inserted in jack, the left side of backrest, which is located on seat cushion, is additionally provided with waist pillow, the right upper portion of the backrest is equipped with fixed frame, is rotatably equipped with bracket on fixed frame.The utility model is simple and reasonable, using efficient and convenient, the setting of supporting block can be convenient seat cushion and carry out height adjustment, adapts to different personnel and uses, telescopic bracket is set below seat cushion, when needing to lie down, bracket is pulled out, waist pillow is placed on bracket, backrest was fallen backward by self-latching hinge, it pulls open the bracket being located above backrest and resists ground supports backrest, just form a simple bed for rest of lying down, staff is facilitated to carry out lunch break.

Description

A kind of office's office chair

Technical field

The utility model relates to a kind of chair, specifically a kind of office's office chair.

Background technique

Office is that a long-time be seated the place of office because the sitting for a long time of people can also generate it is tired Labor is rested on desk so most people can all lie prone after lunch, although rest can provide in this way for staff Slow down the effect of fatigue, single to rest on all fours very uncomfortable, and it is unsmooth to will also result in systemic blood circulation, causes the short time Arms and legs portion paralysis, and existing many office chairs cannot also all carry out height adjustment, therefore existing office well There are also very big rooms for improvement for chair.

Utility model content

The purpose of this utility model is to provide a kind of office's office chairs, to solve to propose in above-mentioned background technique The problem of.

To achieve the above object, the utility model provides the following technical solutions:

A kind of office's office chair, including seat cushion, the right end of the seat cushion are connected with backrest by self-latching hinge, lean on Headrest is installed at the top of back, the lower end of the seat cushion is mounted in supporting block, and the lower end center of supporting block offers mounting groove, Supporting block is arranged right below bottom plate, and the upper end of bottom plate is equipped with support base, and support base is set to the underface of mounting groove, the branch The inside of support seat offers cavity, and cavity is arranged along the length direction of support base, the both ends of the inside of cavity along its length Screw rod is equipped with by bearing block, screw rod is arranged in a mutually vertical manner with support base, and the top of screw rod is pierced by cavity inside, and silk The top installation of bar is connected with lifting device, and the lower end of lifting device is mounted on support base, and the lifting device includes fixing Sleeve, the lower end of fixes sleeve are fixedly mounted on the upper end of support base, and the inner upper end of fixes sleeve is inserted with support rod, support The top of bar is fixed on the top of mounting groove, and threaded hole is offered inside the lower end of support rod, and the upper end of screw rod is inserted in solid To determine in sleeve, and the threaded upper ends of screw rod are mounted in threaded hole, the lateral wall lower end of the support rod is symmetrically installed with sliding block, Sliding slot is symmetrically offered on the inner sidewall of fixes sleeve, sliding slot is parallel with screw rod, and sliding block sliding is set in sliding slot, the seat cushion Connecting plate is additionally provided between supporting block, the left end central interior of connecting plate offers horizontally disposed jack, plugs in jack There is a bracket, the left side of backrest, which is located on seat cushion, is additionally provided with waist pillow, and the right upper portion of the backrest is equipped with fixed frame, on fixed frame It is rotatably equipped with bracket.

As a further solution of the present invention: the upper end of the bottom plate is also equipped with annular cage plate, annular cage plate is set Outside the lower end of supporting block.

First bevel gear, first bevel gear are also equipped on the screw rod as a further solution of the present invention, Set on cavity inside, second bevel gear is engaged on the opposite place's one side of two first bevel gears, two second bevel gears are logical Connecting shaft is crossed to be connected.

Fixed block, connecting shaft are also equipped on the cavity inside bottom wall as a further solution of the present invention, It is arranged across fixed block.

There are two the fixed block is set as a further solution of the present invention, two fixed blocks are along cavity center It is symmetrical arranged, fixed block is connected with connecting shaft by bearing.

The center of the connecting shaft is equipped with third hand tap gear, third cone as a further solution of the present invention, The lower end of gear is engaged with the 4th bevel gear, and the 4th bevel gear is mounted on the top of drive shaft, and the lower end of drive shaft is connected with electricity Machine.

Screw mandrel is offered on the support base as a further solution of the present invention, and drive shaft passes through Through-hole, through-hole is connected to outside cavity and support base.

Compared with prior art, the utility model has the beneficial effects that the utility model is simple and reasonable, using quick Convenient, the setting of supporting block can be convenient seat cushion and carry out height adjustment, adapts to different personnel and uses, being arranged below seat cushion can draw Bracket out when needing to lie down, pulls out bracket, and waist pillow is placed on bracket, and backrest was fallen backward by self-latching hinge, is drawn Bracket of the open position above backrest resists ground supports backrest, just forms a simple bed for rest of lying down, facilitates work people Member carries out lunch break.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of office's office chair.

Fig. 2 is the structural schematic diagram of lifting device in office's office chair.

Fig. 3 is in Fig. 2 along the direction A-A sectional view.

In figure: 1- seat cushion, 2- backrest, 3- headrest, 4- supporting block, 5- mounting groove, 6- bottom plate, 7- support base, 71- cavity, 8- bearing block, 9- screw rod, 10- lifting device, 101- fixes sleeve, 102- support rod, 103- threaded hole, 104- sliding block, 105- Sliding slot, 11- annular cage plate, 12- first bevel gear, 13- second bevel gear, 14- connecting shaft, 15- fixed block, 16- triconodont Wheel, the 4th bevel gear of 17-, 18- drive shaft, 19- motor, 20- through-hole, 21- connecting plate, 22- jack, 23- bracket, 24- are self-locking Hinge, 25- waist pillow, 26- fixed frame, 27- bracket.

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.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Please refer to Fig. 1~3, in the utility model embodiment, a kind of office's office chair, including seat cushion 1, the seat The right end of pad 1 is connected with backrest 2 by self-latching hinge 24, and the top of backrest 2 is equipped with headrest 3, the lower end installation of the seat cushion 1 In supporting block 4, the lower end center of supporting block 4 offers mounting groove 5, and supporting block 4 is arranged right below bottom plate 6, bottom plate 6 it is upper End is equipped with support base 7, and support base 7 is set to the underface of mounting groove 5, and the inside of the support base 7 offers cavity 71, cavity 71 along support base 7 length direction be arranged, the both ends of the inside of cavity 71 along its length pass through bearing block 8 and are equipped with silk Bar 9, screw rod 9 are arranged in a mutually vertical manner with support base 7, and the top of screw rod 9 is pierced by inside cavity 71, and the top installation of screw rod 9 It is connected with lifting device 10, the lower end of lifting device 10 is mounted on support base 7, and the lifting device 10 includes fixes sleeve 101, the lower end of fixes sleeve 101 is fixedly mounted on the upper end of support base 7, and the inner upper end of fixes sleeve 101 is inserted with support Bar 102, the top of support rod 102 are fixed on the top of mounting groove 5, offer threaded hole inside the lower end of support rod 102 103, the upper end of screw rod 9 is inserted in fixes sleeve 101, and the threaded upper ends of screw rod 9 are mounted in threaded hole 103, the branch The lateral wall lower end of strut 102 is symmetrically installed with sliding block 104, symmetrically offers sliding slot 105 on the inner sidewall of fixes sleeve 101, Sliding slot 105 is parallel with screw rod 9, and the sliding of sliding block 104 is set in sliding slot 105, can pass through threaded hole by rotary screw rod 9 103 drive support rod 102 to realize that lifting, the lifting of support rod 102 can drive mounting groove 5 to go up and down, and then realize supporting block 4 The height adjustment for driving seat cushion 1, is suitble to the staff of different heights to use.

The upper end of the bottom plate 6 is also equipped with annular cage plate 11, and annular cage plate 11 is set to outside the lower end of supporting block 4.

First bevel gear 12 is also equipped on the screw rod 9, first bevel gear 12 is set to inside cavity 71, two first cones It is engaged with second bevel gear 13 on the opposite place's one side of gear 12, two second bevel gears 13 are connected by connecting shaft 14, Such structure design, may be implemented the synchronous rotation of two screw rods 9, when connecting shaft 14 rotates, can drive two respectively The second bevel gear 13 at end rotates, and two second bevel gears 13 drive the first bevel gear 12 being meshed therewith to rotate respectively again, When first bevel gear 12 rotates, screw rod 9 can be driven to rotate, then realize the synchronous adjustment of two screw rods 9, realized to two The synchronous adjustment of lifting device 10, it is ensured that horizontal stable when seat cushion 1 rises.

Fixed block 15 is also equipped in 71 interior bottom wall of cavity, connecting shaft 14 is arranged across fixed block 15.

There are two the fixed block 15 is set, two fixed blocks 15 along 71 center symmetric setting of cavity, fixed block 15 with connect Axis 14 is connected by bearing.

The center of the connecting shaft 14 is equipped with third hand tap gear 16, and the lower end of third hand tap gear 16 is engaged with the 4th cone tooth Wheel 17, the 4th bevel gear 17 is mounted on the top of drive shaft 18, and the lower end of drive shaft 18 is connected with motor 19, can by motor 19 To drive the rotation of the 4th bevel gear 17, the 4th bevel gear 17 drives connecting shaft 14 by the third hand tap gear 16 being meshed therewith again The rotation of connecting shaft 14 is realized in rotation.

The through-hole 20 that screw mandrel 9 and drive shaft 18 pass through is offered on the support base 7, through-hole 20 is connected to cavity 71 Outside support base 7.

Connecting plate 21 is additionally provided between the seat cushion 1 and supporting block 4, the left end central interior of connecting plate 21 offers level The jack 22 of setting is inserted with bracket 23 in jack 22, and the left side of backrest 2, which is located on seat cushion 1, is additionally provided with waist pillow 25, the backrest 2 right upper portion is equipped with fixed frame 26, and bracket 27 is rotatably equipped on fixed frame 26, when needing rest, backrest 2 along self-locking Hinge 24 rotates backward to the position parallel or slightly higher with seat cushion 1, pulls down out bracket 27 from 2 rear of backrest, makes 27 edge of bracket Fixed frame 26 rotates, until bracket 27 arrives to ground supports and lives backrest 2, then bracket 23 is extracted out out of jack 22, one for the noon The simple bed slept is formed, and waist can also be rested the head on 25 and is put on bracket 23 or use as headrest.

It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting Related claim.

In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art The other embodiments being understood that.

Claims

1. the right end of a kind of office's office chair, including seat cushion (1), the seat cushion (1) is connected by self-latching hinge (24) Have backrest (2), headrest (3) are installed at the top of backrest (2), which is characterized in that the lower end of the seat cushion (1) is mounted on supporting block (4) on, the lower end center of supporting block (4) is offered mounting groove (5), and supporting block (4) is arranged right below bottom plate (6), bottom plate (6) Upper end be equipped with support base (7), support base (7) be set to mounting groove (5) underface, the inside of the support base (7) opens up Have cavity (71), cavity (71) is arranged along the length direction of support base (7), the both ends of the inside of cavity (71) along its length It is equipped with screw rod (9) by bearing block (8), screw rod (9) is arranged in a mutually vertical manner with support base (7), and the top of screw rod (9) is worn Cavity (71) is internal out, and the top installation of screw rod (9) is connected with lifting device (10), and the lower end of lifting device (10) is mounted on On support base (7), the lifting device (10) includes fixes sleeve (101), and the lower end of fixes sleeve (101) is fixedly mounted on branch The upper end of seat (7) is supportted, the inner upper end of fixes sleeve (101) is inserted with support rod (102), and the top of support rod (102) is fixed It on the top of mounting groove (5), is offered inside the lower end of support rod (102) threaded hole (103), the upper end of screw rod (9) plugs In fixes sleeve (101), and the threaded upper ends of screw rod (9) are mounted in threaded hole (103), outside the support rod (102) Side wall lower ends are symmetrically installed with sliding block (104), and sliding slot (105), sliding slot are symmetrically offered on the inner sidewall of fixes sleeve (101) (105) parallel with screw rod (9), sliding block (104) sliding is set in sliding slot (105), between the seat cushion (1) and supporting block (4) It is additionally provided with connecting plate (21), the left end central interior of connecting plate (21) offers horizontally disposed jack (22), in jack (22) It is inserted with bracket (23), the left side of backrest (2), which is located on seat cushion (1), is additionally provided with waist pillow (25), the right upper portion of the backrest (2) It is equipped with fixed frame (26), bracket (27) is rotatably equipped on fixed frame (26).

2. office's office chair according to claim 1, which is characterized in that also install the upper end of the bottom plate (6) Have annular cage plate (11), annular cage plate (11) is set to outside the lower end of supporting block (4).

3. office's office chair according to claim 2, which is characterized in that be also equipped on the screw rod (9) One bevel gear (12), first bevel gear (12) are set to cavity (71) inside, and two first bevel gears (12) are opposite to be located on one side It is engaged with second bevel gear (13), two second bevel gears (13) are connected by connecting shaft (14).

4. office's office chair according to claim 3, which is characterized in that in cavity (71) interior bottom wall also It is equipped with fixed block (15), connecting shaft (14) is arranged across fixed block (15).

5. office's office chair according to claim 4, which is characterized in that there are two the fixed block (15) sets, Two fixed blocks (15) are connected with connecting shaft (14) by bearing along cavity (71) center symmetric setting, fixed block (15).

6. office's office chair according to claim 5, which is characterized in that install at the center of the connecting shaft (14) Have third hand tap gear (16), the lower end of third hand tap gear (16) is engaged with the 4th bevel gear (17), the installation of the 4th bevel gear (17) On the top of drive shaft (18), the lower end of drive shaft (18) is connected with motor (19).

7. office's office chair according to claim 6, which is characterized in that offered on the support base (7) The through-hole (20) that screw mandrel (9) and drive shaft (18) pass through, it is external that through-hole (20) is connected to cavity (71) and support base (7).