CN208610245U - A kind of adjustable backrest of rotary chair - Google Patents
A kind of adjustable backrest of rotary chair Download PDFInfo
- Publication number
- CN208610245U CN208610245U CN201720972521.2U CN201720972521U CN208610245U CN 208610245 U CN208610245 U CN 208610245U CN 201720972521 U CN201720972521 U CN 201720972521U CN 208610245 U CN208610245 U CN 208610245U
- Authority
- CN
- China
- Prior art keywords
- backrest
- seat plate
- head rest
- mounting base
- back bracket
- 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.)
- Expired - Fee Related
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- Chair Legs, Seat Parts, And Backrests (AREA)
Abstract
The utility model relates to a kind of adjustable backrest of rotary chair.The utility model includes backrest, seat plate and head rest.Backrest is connect with seat plate by connection component, and backrest and seat plate can be rotated along connection component, and head rest is arranged at the top of backrest, is fixedly connected with backrest.Backrest includes back bracket.Seat plate includes seat plate bracket and seat plate reinforcement block.Back bracket is connected with seat plate bracket by connecting rod.Head rest position is corresponded in back bracket is provided with rack gear.It is provided with head rest sliding slot on the inside of back bracket, head rest can move along the chute.The utility model uses fixed knob regulative mode, need to only remove fixed knob before adjusting and after adjusting when adjusting, so that it may the adjusting of seat plate and backrest is completed using the gravity of itself, it is simple, convenient.And the utility model structure is simple, it is easy to process.The position that head rest can be adjusted simultaneously adjusts the position of head rest, neck is in more comfortable state to user in use according to the height of user.
Description
Technical field
The utility model belongs to swivel chair technical field, is related to a kind of adjustable backrest of rotary chair.
Background technique
Currently, much using swivel chair in office furniture, because its movement is flexibly, sense is sat comfortably by the parent of office worker
It looks at.Existing swivel chair can only largely be adjusted seat in vertical direction, and user can only adjust the height component of chair；
And the swivel chair that can adjust head rest is not common.The swivel chair of usual adjustable backrest changes swivel chair by the principle of compressed spring
The adjustable range of the stress of backrest, the backrest of rotary chair elevation angle is very limited, and the adjusting pressure needed when compressed spring compared with
Greatly, manufacturing cost is high；The adjusting that user needs to spend biggish strength that could complete backrest when rotating regulation handle, is not inconsistent
Close that swivel chair is comfortable and the demand of hommization development.Therefore one kind is devised, can be with easy adjustment backrest of rotary chair, and can adjust
The swivel chair of head rest.
Summary of the invention
The purpose of this utility model is just to provide a kind of adjustable backrest of rotary chair.
The utility model includes backrest, seat plate and head rest.The backrest is connect with seat plate by connection component, backrest with
Seat plate can be rotated along connection component, and head rest is arranged at the top of backrest, be fixedly connected with backrest.
The backrest includes back bracket.Seat plate includes seat plate bracket and seat plate reinforcement block.Back bracket and seat plate branch
Frame is connected by connecting rod.Back bracket and seat plate rack outer surface are surrounded by rubber or plastics.Head rest position is corresponded in back bracket
It installs and is equipped with rack gear.It is provided with head rest sliding slot on the inside of back bracket, head rest can move along the chute.The backrest bottom is provided with
Backrest mounting base, seat plate top are provided with seat plate mounting base.Backrest mounting base is identical as seat plate installation holder structure, for internal setting
Threaded hollow rod-type structure, backrest mounting base and seat plate mounting base are arranged in connecting rod by screw thread；Connecting rod
Both ends are provided with fixed knob.The inner face of fixed knob is provided with fixed link, and the both ends of connecting rod are provided with lower fixed link peace
Tankage.Be correspondingly connected with inside backrest mounting base and seat plate mounting base bar both ends be provided with lower fixed link installation groove location be provided with it is upper solid
Fixed pole mounting groove；The fixed link being arranged on fixed knob is mounted on lower fixed link mounting groove and upper fixed link mounting groove cooperatively forms
Fixed link mounting groove in.
The head rest includes adjusting knob, headrest and connecting shaft.Headrest is connect by connecting shaft with back bracket.Connection
One end of axis is fixed in headrest, and the other end of connecting shaft is connect by pin with gear.Adjusting knob one end and gear
The outside of backrest is arranged in center connection, the other end of adjusting knob.
The backrest and backrest mounting base is integrally formed.
The seat plate and seat plate mounting base is integrally formed.
The utility model uses fixed knob regulative mode, need to only take fixed knob before adjusting and after adjusting when adjusting
Under, so that it may the adjusting of seat plate and backrest is completed using the gravity of itself, it is simple, convenient.And the utility model structure is simple,
It is easy to process.The position that head rest can be adjusted simultaneously adjusts the position of head rest according to the height of user, and user is using
Neck is in more comfortable state in the process.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is the structural schematic diagram of backrest and seat plate in Fig. 1；
Fig. 3 is the structural schematic diagram of head rest in Fig. 1；
Fig. 4 is the attachment structure schematic diagram one of backrest and seat plate；
Fig. 5 is the attachment structure schematic diagram two of backrest and seat plate；
Fig. 6 is the attachment structure schematic diagram three of backrest and seat plate.
Specific embodiment
As shown in Figure 1, a kind of adjustable backrest of rotary chair, including backrest 1, seat plate 2 and head rest 3.Backrest 1 passes through with seat plate 2
Connection component connection, backrest 1 and seat plate 2 can be rotated along connection component, and the setting of head rest 3 is fixed at 1 top of backrest with backrest 1
Connection.
As shown in Fig. 2, backrest 1 includes back bracket 1-1.Seat plate 2 includes seat plate bracket 2-1 and seat plate reinforcement block 2-2.It leans on
Back braces 1-1 and seat plate bracket 2-1 is connected by connecting rod 4.Back bracket 1-1 and the outer surface seat plate bracket 2-1 are surrounded by rubber
Or plastics.3 position of head rest is corresponded in back bracket 1-1 is provided with rack gear.Head rest sliding slot, head rest 3 are provided on the inside of back bracket 1-1
It can move along the chute.
As shown in figure 3, head rest 3 includes adjusting knob 3-1, headrest 3-2 and connecting shaft 3-3.The 3-2 that rests the head on passes through connecting shaft 3-
3 connect with back bracket 1-1.One end of connecting shaft 3-3 is fixed in headrest 3-2, and the other end of connecting shaft 3-3 passes through pin
Nail is connect with gear.The one end adjusting knob 3-1 is connect with gear centre, for controlling gear along racks turn, drives 3 edge of head rest
Back bracket 1-1 is vertically moved；The outside of backrest 1 is arranged in the other end of adjusting knob 3-1.
As shown in figure 4,1 bottom of backrest is provided with backrest mounting base 1-2, backrest 1 and backrest mounting base 1-2 are integrally formed；
Seat plate mounting base 2-3 is provided at the top of seat plate 2, seat plate 2 and seat plate mounting base 2-3 are integrally formed.Backrest mounting base 1-3 and seat plate
Mounting base 2-3 structure is identical, for the hollow rod-type structure for being internally provided with screw thread, backrest mounting base 1-3 and seat plate mounting base 2-3
It is arranged in connecting rod 4 by screw thread, accounts for 1/2 connecting rod respectively.The both ends of connecting rod 4 are provided with fixed knob 5, fixed
Knob 5 is for fixing backrest 1 and seat plate 2.As shown in figure 5, the inner face of fixed knob 5 is provided with fixed link 5-1, connecting rod 4
Both ends be provided with lower fixed link mounting groove 4-1.Connect as shown in fig. 6, backrest mounting base 1-3 is corresponding with inside seat plate mounting base 2-3
The both ends of extension bar 4 are provided with the lower position fixed link mounting groove 4-1 and are provided with fixed link mounting groove 4-2；What is be arranged on fixed knob 5 consolidates
Fixed pole 5-1 is mounted in the fixed link mounting groove that lower fixed link mounting groove 4-1 and upper fixed link mounting groove 4-2 are cooperatively formed, and is risen
To fixed function.
When needing to adjust head rest, adjusting knob is rotated, is stopped rotating when rotation is to desired height.Rotation adjusts backrest
When, fixed knob is taken out, is leaned on backward, the gravity having using human body adjusts backrest backward, when being adjusted to required angle, will consolidate
Determine knob to install to fixed in fixed link mounting groove.Same method can also be used for adjustable seat panel.
Claims (3)
1. a kind of adjustable backrest of rotary chair, including backrest, seat plate and head rest；It is characterized by: the backrest passes through with seat plate
Connection component connection, backrest and seat plate can be rotated along connection component, and head rest is arranged at the top of backrest, be fixedly connected with backrest；
The backrest includes back bracket；Seat plate includes seat plate bracket and seat plate reinforcement block；Back bracket and seat plate bracket are logical
Cross connecting rod connection；Back bracket and seat plate rack outer surface are surrounded by rubber or plastics；Head rest position is corresponded in back bracket to set
It is equipped with rack gear；It is provided with head rest sliding slot on the inside of back bracket, head rest can move along the chute；The backrest bottom is provided with backrest
Mounting base, seat plate top are provided with seat plate mounting base；Backrest mounting base is identical as seat plate installation holder structure, to be internally provided with spiral shell
The hollow rod-type structure of line, backrest mounting base and seat plate mounting base are arranged in connecting rod by screw thread；The both ends of connecting rod
It is provided with fixed knob；The inner face of fixed knob is provided with fixed link, and the both ends of connecting rod are provided with lower fixed link mounting groove；
The both ends that bar is correspondingly connected with inside backrest mounting base and seat plate mounting base are provided with lower fixed link installation groove location and are provided with fixed link
Mounting groove；The fixed link being arranged on fixed knob is mounted on lower fixed link mounting groove and what upper fixed link mounting groove cooperatively formed consolidates
In fixed pole mounting groove；
The head rest includes adjusting knob, headrest and connecting shaft；Headrest is connect by connecting shaft with back bracket；Connecting shaft
One end is fixed in headrest, and the other end of connecting shaft is connect by pin with gear；Adjusting knob one end and gear centre
The outside of backrest is arranged in connection, the other end of adjusting knob.
2. a kind of adjustable backrest of rotary chair as described in claim 1, it is characterised in that: the backrest and backrest mounting base one
It is body formed.
3. a kind of adjustable backrest of rotary chair as described in claim 1, it is characterised in that: the seat plate and seat plate mounting base one
It is body formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720972521.2U CN208610245U (en) | 2017-08-02 | 2017-08-02 | A kind of adjustable backrest of rotary chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720972521.2U CN208610245U (en) | 2017-08-02 | 2017-08-02 | A kind of adjustable backrest of rotary chair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208610245U true CN208610245U (en) | 2019-03-19 |
Family
ID=65688505
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720972521.2U Expired - Fee Related CN208610245U (en) | 2017-08-02 | 2017-08-02 | A kind of adjustable backrest of rotary chair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208610245U (en) |
-
2017
- 2017-08-02 CN CN201720972521.2U patent/CN208610245U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190319 Termination date: 20200802 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |