CN203280091U - Chair - Google Patents
Chair Download PDFInfo
- Publication number
- CN203280091U CN203280091U CN2013202732611U CN201320273261U CN203280091U CN 203280091 U CN203280091 U CN 203280091U CN 2013202732611 U CN2013202732611 U CN 2013202732611U CN 201320273261 U CN201320273261 U CN 201320273261U CN 203280091 U CN203280091 U CN 203280091U
- Authority
- CN
- China
- Prior art keywords
- chair
- seat surface
- backrest
- support
- bar
- 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 discloses a chair, which comprises a seat surface and a backrest, wherein a notch and a through hole are formed in the seat surface; the backrest comprises a support rod and a support frame, the support rod penetrates through the through hole of the seat surface, the support frame comprises a vertical rod and at least two cross rods, one ends of the cross rods are fixedly connected with the vertical rod in a perpendicular manner, and a bayonet is formed between the two adjacent cross rods; the bayonet is clamped with the notch of the seat surface, and the cross rods are butted with the support rod, so that the backrest of the chair is formed. According to the chair, the height of the backrest of the chair can be adjusted so as to satisfy the individual need of every user; and the chair is convenient to adjust, simple in structure and low in cost, and has a broad market prospect.
Description
Technical field
The utility model relates to furniture, is specifically related to a kind of chair.
Background technology
Along with the continuous increase of universal and people's workload of computer, the crowd who works on chair and the office hours that is seated thereof significantly increase, the focus that the reasonability of chair designs has become everybody to pay close attention to.The backrest of conventional chair is to be fixed on seat surface, it is highly also fixed, yet, user's height differs, requirement to backrest height is also different, and conventional chair can not meet user's individual requirement, and the backrest that is not suitable for human body causes easily that the user is tired, posture is bad, what is more, cause cervical spondylopathy and lumbar vertebra disease.Therefore, be badly in need of improving prior art, develop a kind of chair of adjustable backrest height.
The utility model content
Technical problem to be solved in the utility model is, overcomes the deficiencies in the prior art, and a kind of chair is provided, and its backrest tool is regulated the function of height.
The utility model solves this technical problem the technical scheme that adopts: a kind of chair comprises a seat surface and a backrest, this seat surface tool one breach and a through hole; This backrest comprises a support bar and a support, and this support bar runs through the through hole of this seat surface, and this support comprises a montant and at least two cross bars, and an end of this cross bar is vertical affixed with this montant, forms card interface between adjacent two these cross bars; By the breach clamping of this card interface and this seat surface, and this cross bar docks with support bar.
Further, this cross bar and this support bar are joggle.
Particularly, the free end of the cross bar of this support is a cylindricality tenon, has the cylindricality tongue-and-groove on this support bar, thereby realizes the joggle between this cross bar and support bar.
Particularly, the form fit of the cross section of this montant and this breach.
Compared with prior art, have following good effect: 1, the backrest height of the utility model adjustable chair, to meet each user's individual demand; 2, it is easy to adjust, and is simple in structure, with low cost, the tool market prospects.
The utility model is described in further detail below in conjunction with drawings and Examples.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is block surface structure schematic diagram of the present utility model.
Fig. 3 is backrest structure schematic diagram of the present utility model.
The specific embodiment
Please consult simultaneously Fig. 1, Fig. 2 and Fig. 3, chair of the present utility model, comprise seat surface 01, chair pin 02 and backrest 03.This seat surface 01 is a uniform panel of thickness, this seat surface 01 tool one through hole 011 and breach 012, this breach 012 be located at this seat surface 01 on one side on, and with this through hole 011 in a straight line.This backrest 03 comprises a support bar 031 and a support 032, and support bar 031 vertically runs through the through hole 011 of this seat surface 01, breach 012 clamping of this support 032 and this seat surface 01, and with this support bar 031, mutually dock, form the backrest of chair.This chair pin 02 is fixed in the lower surface of seat surface 01, plays a supportive role.
Particularly, this support bar 031 runs through this through hole 011, and can be up and down; This support bar 031 tool cylindricality tongue-and-groove 0310.This support 032 comprises a montant and at least two cross bars, the form fit of the cross section of this montant and this breach 012; One end of this cross bar is vertical with montant affixed, and the other end is unsettled, forms a card interface 033 between adjacent two cross bars, this card interface 033 can with breach 012 clamping of this seat surface 01; This free end is a cylindricality tenon 0320.Dock with tongue-and-groove 0310 coupling of support bar 031 by this tenon 0320, thereby realize that this support 032 docks mutually with support bar 031.
In operation, according to required backrest 03 height, selection is arranged on the support bar 031 of seat surface 01 top and the height of support 032, then with breach 012 clamping of the card interface of correspondence 033 with this seat surface 01, and with this support 032 and support bar 031 joggle one by one, thereby reach the purpose of adjusting as required backrest 03 height.
The utility model is not limited to above-mentioned embodiment, if various changes of the present utility model or modification are not broken away from spirit and scope of the present utility model, if within these changes and modification belonged to claim of the present utility model and equivalent technologies scope, the utility model also was intended to comprise these changes and modification.
Claims (4)
1. a chair, is characterized in that: comprise a seat surface and a backrest, this seat surface tool one breach and a through hole; This backrest comprises a support bar and a support, and this support bar runs through the through hole of this seat surface, and this support comprises a montant and at least two cross bars, and an end of this cross bar is vertical affixed with this montant, forms card interface between adjacent two these cross bars; By the breach clamping of this card interface and this seat surface, and this cross bar docks with support bar.
2. chair as claimed in claim 1, it is characterized in that: this rack cross-bar and this support bar are joggle.
3. chair as claimed in claim 2, it is characterized in that: the free end of the cross bar of this support is a cylindricality tenon, has the cylindricality tongue-and-groove on this support bar, thereby realizes the joggle between this cross bar and support bar.
4. chair as claimed in claim 1, is characterized in that: the cross section of this montant and the form fit of this breach.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202732611U CN203280091U (en) | 2013-05-17 | 2013-05-17 | Chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202732611U CN203280091U (en) | 2013-05-17 | 2013-05-17 | Chair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203280091U true CN203280091U (en) | 2013-11-13 |
Family
ID=49536477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013202732611U Expired - Fee Related CN203280091U (en) | 2013-05-17 | 2013-05-17 | Chair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203280091U (en) |
-
2013
- 2013-05-17 CN CN2013202732611U patent/CN203280091U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131113 Termination date: 20140517 |