CN214855569U - Office chair back with lifting adjusting device - Google Patents
Office chair back with lifting adjusting device Download PDFInfo
- Publication number
- CN214855569U CN214855569U CN202120165966.6U CN202120165966U CN214855569U CN 214855569 U CN214855569 U CN 214855569U CN 202120165966 U CN202120165966 U CN 202120165966U CN 214855569 U CN214855569 U CN 214855569U
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- office chair
- adjusting device
- chair back
- lifting adjusting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Special Chairs (AREA)
Abstract
The utility model relates to an office chair back technical field just discloses a take lifting adjusting device's office chair back, which comprises a fixing plate and i, fixed plate upper end fixedly connected with backup pad, the movable groove has been seted up to the symmetry on the lateral wall of backup pad, sliding connection has the movable block in the movable groove, the screw hole has been seted up in the movable block, it is connected with the threaded rod to rotate jointly through two bearings on the cell wall that the movable groove is in opposite directions, movable block threaded connection is on the threaded rod, two the common fixedly connected with back frame of one end of movable block syntropy, the work groove has been seted up on the backup pad lateral wall, the threaded rod bottom is passed the bearing and is extended to the work inslot, and fixed the cup joint has the sprocket, two on its pole wall the sprocket passes through chain drive and connects. The utility model discloses make the height of headrest can change, can adjust the height of the back of the chair, can adapt to the user of different heights and use, satisfy user's adaptation demand.
Description
Technical Field
The utility model relates to an office chair back technical field especially relates to a take lifting adjusting device's office chair back.
Background
With the continuous progress of human society and different requirements on different jobs, modern office places are generally in offices, and office furniture is needed to assist in work when the modern office places work. The office chair is important office furniture and mainly comprises a backrest, a seat board and a chair frame. However, the existing office chair back does not have the lifting adjusting function, can not adjust the height of the chair back and can not adapt to users with different heights.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that the office chair back does not have the lifting adjusting function in the prior art, can not adjust the height of the chair back, can not adapt to the use of the users with different heights, and the office chair back with the lifting adjusting device.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an office chair back with a lifting adjusting device comprises a fixed plate, wherein a supporting plate is fixedly connected to the upper end of the fixed plate, movable grooves are symmetrically formed in the side wall of the supporting plate, movable blocks are connected with the movable blocks in the movable grooves in a sliding mode, threaded holes are formed in the movable blocks, threaded rods are connected to opposite groove walls of the movable grooves in a rotating mode through two bearings, the movable blocks are connected to the threaded rods in a threaded mode through threads, a back frame is fixedly connected to the same ends of the movable blocks in the same direction, working grooves are formed in the side wall of the supporting plate, the bottom ends of the threaded rods penetrate through the bearings and extend into the working grooves, chain wheels are fixedly connected to the rod walls of the threaded rods in a sleeved mode, the two chain wheels are connected through chain transmission, the upper ends of the two threaded rods penetrate through the corresponding bearings and extend outwards, a rotating handle is fixedly connected to the fixed plate, and supporting rods are symmetrically and fixedly connected to the upper ends of the back frame, the upper ends of the two support rods are fixedly connected with a headrest together, and the side wall of the backrest frame is fixedly connected with a frame-shaped elastic frame.
Preferably, the both sides fixedly connected with curb plate of fixed plate, the fixed orifices has been seted up to the symmetry on the curb plate, the equal fixedly connected with mounting panel in both sides of backup pad, a plurality of mounting hole has been seted up on the mounting panel.
Preferably, a reinforcing plate is fixedly connected between the fixing plate and the supporting plate and is vertically arranged.
Preferably, a breathable net is arranged on the supporting plate positioned on one side of the opening of the backrest frame.
Preferably, a clamping seat is fixedly connected to the supporting plate on one side of the working groove, and an arc-shaped surface is arranged on the clamping seat.
Preferably, a reinforcing rib is fixedly connected between the reinforcing plate and the fixing plate, and the cross section of the reinforcing rib is a right-angled triangle.
Compared with the prior art, the utility model provides a take lift adjustment device's office chair back possesses following beneficial effect:
this take lifting adjusting device's office chair back, through setting up the fixed plate, a supporting plate, the activity groove, the movable block, the threaded rod, the back frame, the work groove, the sprocket, rotatory handle, the bracing piece, headrest and elasticity frame, when the user that needs adaptation different heights used, corotation or one of them rotatory handle of reversal, it rotates to drive the threaded rod, two movable blocks are upwards or downstream, drive the back frame and make progress or downstream, make the height of headrest change, can adjust the height of the back of the chair, the user that can adapt to different heights uses, satisfy user's adaptation demand.
The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses make the height of headrest can change, can adjust the height of the back of the chair, can adapt to the user use of different heights, satisfy user's adaptation demand.
Drawings
Fig. 1 is a schematic structural view of an office chair back with a lifting adjusting device according to the present invention;
fig. 2 is a side view of an office chair back with a lifting adjusting device according to the present invention.
In the figure: the device comprises a fixing plate 1, a supporting plate 2, a movable groove 3, a movable block 4, a threaded rod 5, a backrest frame 6, a working groove 7, a chain wheel 8, a rotary handle 9, a supporting rod 10, a headrest 11, an elastic frame 12, a side plate 13, a mounting plate 14, a reinforcing plate 15, a breathable net 16, a clamping seat 17 and reinforcing ribs 18.
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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to fig. 1-2, an office chair back with a lifting adjusting device comprises a fixed plate 1, wherein the upper end of the fixed plate 1 is fixedly connected with a supporting plate 2, the side wall of the supporting plate 2 is symmetrically provided with movable grooves 3, the movable grooves 3 are slidably connected with movable blocks 4, the movable blocks 4 are internally provided with threaded holes, the opposite groove walls of the movable grooves 3 are jointly and rotatably connected with threaded rods 5 through two bearings, the movable blocks 4 are in threaded connection with the threaded rods 5, the same-direction ends of the two movable blocks 4 are jointly and fixedly connected with a back frame 6, the side wall of the supporting plate 2 is provided with working grooves 7, the bottom ends of the threaded rods 5 penetrate through the bearings and extend into the working grooves 7, the rod walls are fixedly connected with chain wheels 8, the two chain wheels 8 are connected through chain transmission, the upper ends of the two threaded rods 5 penetrate through the corresponding bearings and extend outwards, a rotating handle 9 is fixedly connected, and the upper ends of the back frame 6 are symmetrically and fixedly connected with supporting rods 10, two common fixedly connected with headrests 11 in bracing piece 10 upper ends, elastic frame 12 of fixedly connected with frame type on the lateral wall of back frame 6, when the user that needs to adapt to different heights used, corotation or one of them rotatory handle 9 of reversal, drive threaded rod 5 and rotate, because the transmission of two sprocket 8 and chains, make two threaded rod 5 do the syntropy and rotate simultaneously, two movable block 4 are upwards or downstream, drive back frame 6 upwards or downstream, make the height of headrest 11 change, can adjust the height of the back of the chair, can adapt to the user of different heights and use, satisfy user's adaptation demand.
Both sides fixedly connected with curb plate 13 of fixed plate 1, the fixed orifices has been seted up to the symmetry on curb plate 13, and the equal fixedly connected with mounting panel 14 in both sides of backup pad 2 has seted up a plurality of mounting hole on the mounting panel 14, makes things convenient for curb plate 13 and mounting panel 14 to pass through bolt and nut and chair frame and bedplate fixed mounting.
Fixedly connected with gusset plate 15 between fixed plate 1 and the backup pad 2, gusset plate 15 is vertical setting, can increase the joint strength of fixed plate 1 and backup pad 2, prevents fixed plate 1 and backup pad 2 fracture separation.
The air permeable net 16 is installed on the support plate 2 at the opening side of the back frame 6, so that the air permeability of the back of the user is better.
Fixedly connected with cassette 17 is equipped with the arcwall face on the backup pad 2 that is located work groove 7 one side on the cassette 17 for cassette 17 is located the bedplate top, blocks the bedplate between mounting panel 1 and cassette 17.
Reinforcing ribs 18 are fixedly connected between the reinforcing plate 15 and the fixing plate 1, and the cross sections of the reinforcing ribs 18 are right-angled triangles, so that the connecting strength of the reinforcing plate 15 and the fixing plate 1 is increased.
The utility model discloses in, when the user of different heights of needs adaptation used, corotation or one of them rotatory handle 9 of reversal, drive threaded rod 5 and rotate, because the transmission of two sprocket 8 and chain, make two threaded rod 5 rotate simultaneously in the syntropy, two movable block 4 are upwards or the downstream, drive back frame 6 upwards or the downstream, make headrest 11 highly can change, can adjust the height of the back of the chair, the user that can adapt to different heights uses, satisfy user's adaptation demand.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a take lifting adjusting device's office chair back, includes fixed plate (1), its characterized in that, fixed plate (1) upper end fixedly connected with backup pad (2), movable groove (3) have been seted up to the symmetry on the lateral wall of backup pad (2), sliding connection has movable block (4) in movable groove (3), the screw hole has been seted up in movable block (4), it is connected with threaded rod (5) to rotate jointly through two bearings on the cell wall that movable groove (3) is in opposite directions, movable block (4) threaded connection is on threaded rod (5), two the common fixedly connected with back frame (6) of one end of movable block (4) syntropy, working groove (7) have been seted up on backup pad (2) lateral wall, threaded rod (5) bottom is passed the bearing and is extended to working groove (7), and fixed cover on its pole wall has been connected with sprocket (8), two sprocket (8) are connected, two through chain drive the bearing that corresponds and outside extension are all passed to threaded rod (5) upper end, and fixedly connected with rotating handle (9), symmetry fixedly connected with bracing piece (10), two on back frame (6) the common fixedly connected with headrest (11) in bracing piece (10) upper end, elastic frame (12) of fixedly connected with frame type on the lateral wall of back frame (6).
2. The office chair back with the lifting adjusting device as claimed in claim 1, wherein side plates (13) are fixedly connected to two sides of the fixing plate (1), the side plates (13) are symmetrically provided with fixing holes, two sides of the supporting plate (2) are fixedly connected with mounting plates (14), and the mounting plates (14) are provided with a plurality of mounting holes.
3. The office chair back with the lifting adjusting device as claimed in claim 1, wherein a reinforcing plate (15) is fixedly connected between the fixing plate (1) and the supporting plate (2), and the reinforcing plate (15) is vertically arranged.
4. The office chair back with the lifting adjusting device as claimed in claim 1, wherein a ventilation net (16) is installed on the supporting plate (2) at one side of the opening of the back frame (6).
5. The office chair back with the lifting adjusting device as claimed in claim 1, wherein a clamping seat (17) is fixedly connected to the supporting plate (2) at one side of the working groove (7), and an arc-shaped surface is arranged on the clamping seat (17).
6. An office chair back with a lifting adjusting device as claimed in claim 3, wherein a reinforcing rib (18) is fixedly connected between the reinforcing plate (15) and the fixing plate (1), and the cross section of the reinforcing rib (18) is a right triangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120165966.6U CN214855569U (en) | 2021-01-21 | 2021-01-21 | Office chair back with lifting adjusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120165966.6U CN214855569U (en) | 2021-01-21 | 2021-01-21 | Office chair back with lifting adjusting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214855569U true CN214855569U (en) | 2021-11-26 |
Family
ID=78862547
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120165966.6U Active CN214855569U (en) | 2021-01-21 | 2021-01-21 | Office chair back with lifting adjusting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214855569U (en) |
-
2021
- 2021-01-21 CN CN202120165966.6U patent/CN214855569U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN215564722U (en) | Lifting type supporting device for constructional engineering | |
| CN206822792U (en) | A kind of novel changable shape multifunctional electric wheelchair | |
| CN211396629U (en) | Connecting and locking device for building template | |
| CN214855569U (en) | Office chair back with lifting adjusting device | |
| CN209738870U (en) | Height-adjustable's engineering-vehicle seat | |
| CN112472453A (en) | Medical bed with side-turning function | |
| CN209808940U (en) | Patient nursing is with helping line mechanism | |
| CN201295013Y (en) | Multifunctional chair | |
| CN204744860U (en) | Install supplementary car of taking care of oneself of recovery of bedplate | |
| CN210082810U (en) | Novel can dismantle fine arts easel | |
| CN212995619U (en) | Bedstead convenient to installation | |
| CN218317041U (en) | Flexible portable bicycle seat | |
| KR200362853Y1 (en) | Multi-purpose chair | |
| CN206462699U (en) | A kind of Intelligent adjustment massage mattress | |
| CN211770050U (en) | Stroke adjusting mechanism of auxiliary assembly device | |
| CN219845712U (en) | Hand-operated lifting tablet chair | |
| CN211323945U (en) | Easy-to-adjust leisure chair | |
| CN204972143U (en) | Install supplementary car of taking care of oneself of recovery of bedplate | |
| CN216628959U (en) | Medical nursing bed convenient to dismantle | |
| CN214906333U (en) | Novel toilet chair | |
| CN219672576U (en) | House building construction foundation pile drilling equipment | |
| CN213651670U (en) | Adjustable wall-attached supporting device of building tower crane | |
| CN219270531U (en) | Office chair with adjustable back cushion | |
| CN217772698U (en) | Human fixing device in sitting and lying positions and medical bed capable of fixing body positions | |
| CN212547576U (en) | Adjustable limb support frame for anesthesia department |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |