CN208447029U - A kind of chair - Google Patents
A kind of chair Download PDFInfo
- Publication number
- CN208447029U CN208447029U CN201820329125.2U CN201820329125U CN208447029U CN 208447029 U CN208447029 U CN 208447029U CN 201820329125 U CN201820329125 U CN 201820329125U CN 208447029 U CN208447029 U CN 208447029U
- Authority
- CN
- China
- Prior art keywords
- backrest
- clutch teeth
- lead screw
- steel ball
- hand thread
- 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
Links
Abstract
The utility model discloses a kind of chairs, this bed chair includes bed chair bracket, cushion, backrest, positive left-hand thread lead screw, clutch, armrest, folding backrest stabilizer blade, the cushion has the axle sleeve of spline to connect with backrest by both ends, clutch is connected by positive left-hand thread lead screw again, rotary screw rod drive two sides internal clutch teeth and external clutch teeth point or from, spline axis connection internal clutch teeth and external clutch teeth, positive left-hand thread lead screw passes through splined shaft, handrail is equipped with the spring steel hole of bead, armrest support is equipped with steel ball location hole, lift handrail, steel ball in the spring steel hole of bead is caught in steel ball location hole, steel ball locks bracket and handrail under the action of the spring, when folding backrest feet collapse, it is fixed by the card slot by back with backrest, when backrest stabilizer blade is unfolded, it is fixed by fastening bolt and backrest.This bed chair simple structure, it is easy to use.When chair use when office, it can be used when simple bed after expansion, working people is suitble to use.
Description
The utility model relates to office seatings for technical field, and in particular to a kind of chair.
The office space of the present people of background technique is very small, most of staff's noon because far away, in addition
Dinner hour is short, cannot all go home, so office is both the place of work, and the place to take a break.In order to protect
Card staff has abundant energy work, now studies a kind of chair, and when chair uses when office, simple bed can be worked as after expansion
It uses.
For summary of the invention the utility model discloses a kind of chair, simple structure is easy to use.Work as chair when office to use,
It can be used when simple bed after expansion, working people is suitble to use.
The technical solution of the utility model is as follows:
A kind of chair includes bed chair bracket, cushion, backrest, positive left-hand thread lead screw, clutch, armrest, folding backrest branch
Foot, the cushion have the axle sleeve of spline to connect with backrest by both ends, then connect clutch, lead screw positioning by positive left-hand thread lead screw
Bolt passes through hub splines and is positioned lead screw and hub splines by the annular slot among lead screw, and the clutch includes clutch
Device internal tooth, external clutch teeth, positive left-hand thread lead screw both ends be equipped with positive and negative button screw thread, rotational lead screw drive two sides internal clutch teeth with
External clutch teeth point closes, and when internal clutch teeth is separated with external tooth, backrest is movable, internal clutch teeth and external clutch teeth conjunction
When upper, backrest be it is fixed, hub splines connects internal clutch teeth and external clutch teeth, and positive left-hand thread lead screw passes through hub splines,
Armrest is made of handrail, armrest support, and handrail is equipped with the spring steel hole of bead, is equipped with steel ball and spring in the spring steel hole of bead,
Spring one end is bolt, and the other end is steel ball, and armrest support is equipped with steel ball location hole, lifts handrail, will be in the spring steel hole of bead
Steel ball be caught in steel ball location hole, steel ball locks bracket and handrail under the action of the spring, when folding backrest feet collapse, passes through
Card slot by back is fixed with backrest, when backrest stabilizer blade is unfolded, is fixed by fastening bolt and backrest.
The armrest and ground contact jaw are stifled equipped with plastic pipe.
Utility model has the advantages that 1, two kinds of functions may be implemented, occupied space is few, investment reduction；2, Ke Yisui
When for people provide rest, back can adjust any angle；3, easy to use, folding and expanding is simple and fast；4, bed chair is light-weight,
Convenient in carrying.
Detailed description of the invention Fig. 1 is the front view of bed chair；
Fig. 2 is the side view of bed chair；
Fig. 3 is the cross-sectional view of side armrest；
Fig. 4 is the rearview of bed chair；
Fig. 5 is lead screw cross-sectional view；
Fig. 6 is that clutch merges schematic diagram；
Fig. 7 is structural schematic diagram after the expansion of bed chair；
1, positive left-hand thread lead screw；2, right-handed thread；3, left-hand thread screw thread；4, internal clutch teeth；5, external clutch teeth；6, splined shaft
Set；7, right-hand thread nut；8, left-hand thread nut；9, the spring steel hole of bead；10, steel ball location hole；11, card slot；12, cushion, 13；Backrest；
14, folding backrest stabilizer blade；15, fastening bolt；16, bed chair bracket；17, plastic pipe is stifled；18, lead screw positioning bolt.
A kind of chair of specific embodiment include bed chair bracket 16, cushion 12, backrest 13, positive left-hand thread lead screw 1, clutch,
Armrest, folding backrest stabilizer blade 14, the cushion 12 has the hub splines 6 of spline to connect with backrest by both ends, then passes through
Positive left-hand thread lead screw 1 connects clutch, and lead screw positioning bolt 18 passes through the annular slot among lead screw for lead screw across hub splines 6
Positioned with hub splines 6, the clutch includes internal clutch teeth 4, external clutch teeth 5, positive 1 both ends of left-hand thread lead screw be equipped with just,
Left-hand thread screw thread, rotational lead screw drive two sides internal clutch teeth 4 to divide or close with external clutch teeth 5, and internal clutch teeth is separated with external tooth
When, backrest 13 be it is movable, when internal clutch teeth 4 and external clutch teeth 5 close, backrest 13 be it is fixed, hub splines 6 connects
Internal clutch teeth 4 and external clutch teeth 5, positive left-hand thread lead screw 1 pass through hub splines 6, and armrest is by handrail, armrest support group
At handrail is equipped with the spring steel hole of bead 9, is equipped with steel ball and spring in the spring steel hole of bead 9, spring one end is bolt, and the other end is
Steel ball, armrest support are equipped with steel ball location hole 10, lift handrail, the steel ball in the spring steel hole of bead 9 is caught in steel ball location hole
10, steel ball locks bracket and handrail under the action of the spring, when folding backrest stabilizer blade 14 folds, by card slot on backrest 13 with
Backrest 13 is fixed, when folding backrest stabilizer blade 14 is unfolded, is fixed by fastening bolt 15 with backrest.The armrest connects with ground
Contravention is equipped with plastic pipe stifled 17.When seat in use, by rotating positive left-hand thread lead screw 1, it is only necessary to backrest 13 be erected, cushion
12 turn back.When bed in use, only needing backrest 13 to be laid flat by positive left-hand thread lead screw 1, put down folding backrest stabilizer blade 14,
Cushion 12 is unfolded and puts down folding backrest stabilizer blade 14.
Claims (2)
1. a kind of chair, it is characterised in that: including bed chair bracket (16), cushion (12), backrest (13), positive left-hand thread lead screw (1), from
Clutch, armrest, folding backrest stabilizer blade (14), the cushion (12) and backrest have the hub splines (6) of spline by both ends
Connection, then clutch is connected by positive left-hand thread lead screw, lead screw positioning bolt (18) passes through hub splines and passes through the ring among lead screw
Shape card slot positions lead screw and hub splines, and the clutch includes internal clutch teeth (4), external clutch teeth (5), positive left-hand thread silk
Screw thread is buckled equipped with positive and negative in thick stick both ends, and rotational lead screw drives two sides internal clutch teeth and external clutch teeth point or closes, internal clutch teeth
When being separated with external tooth, backrest be it is movable, when internal clutch teeth and external clutch teeth close, backrest is fixed, hub splines
Internal clutch teeth and external clutch teeth are connected, positive left-hand thread lead screw passes through hub splines, and armrest is by handrail, armrest support group
At handrail is equipped with the spring steel hole of bead (9), steel ball and spring is equipped in the spring steel hole of bead, spring one end is bolt, and the other end is
Steel ball, armrest support are equipped with steel ball location hole (10), lift handrail, and it is fixed that the steel ball in the spring steel hole of bead (9) is caught in steel ball
Position hole, steel ball lock bracket and handrail under the action of the spring, when folding backrest feet collapse, by the card slot by back and lean on
Back is fixed, and when folding backrest stabilizer blade is unfolded, is fixed by fastening bolt (15) with backrest.
2. according to claim 1 chair, it is characterised in that: the armrest and ground contact jaw are equipped with plastic pipe
Stifled (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820329125.2U CN208447029U (en) | 2018-03-12 | 2018-03-12 | A kind of chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820329125.2U CN208447029U (en) | 2018-03-12 | 2018-03-12 | A kind of chair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208447029U true CN208447029U (en) | 2019-02-01 |
Family
ID=65156594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820329125.2U Expired - Fee Related CN208447029U (en) | 2018-03-12 | 2018-03-12 | A kind of chair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208447029U (en) |
-
2018
- 2018-03-12 CN CN201820329125.2U patent/CN208447029U/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: 20190201 Termination date: 20200312 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |