CN112089242A - Chair with back rest - Google Patents
Chair with back rest Download PDFInfo
- Publication number
- CN112089242A CN112089242A CN201910536121.0A CN201910536121A CN112089242A CN 112089242 A CN112089242 A CN 112089242A CN 201910536121 A CN201910536121 A CN 201910536121A CN 112089242 A CN112089242 A CN 112089242A
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- CN
- China
- Prior art keywords
- block
- angle
- spring
- chair
- base
- 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.)
- Pending
Links
- 230000008602 contraction Effects 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 7
- 230000006978 adaptation Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Images
Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C1/00—Chairs adapted for special purposes
- A47C1/02—Reclining or easy chairs
- A47C1/022—Reclining or easy chairs having independently-adjustable supporting parts
- A47C1/024—Reclining or easy chairs having independently-adjustable supporting parts the parts, being the back-rest, or the back-rest and seat unit, having adjustable and lockable inclination
- A47C1/0248—Reclining or easy chairs having independently-adjustable supporting parts the parts, being the back-rest, or the back-rest and seat unit, having adjustable and lockable inclination by chains, ropes or belts
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/002—Chair or stool bases
- A47C7/004—Chair or stool bases for chairs or stools with central column, e.g. office chairs
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/002—Chair or stool bases
- A47C7/006—Chair or stool bases with castors
Landscapes
- Health & Medical Sciences (AREA)
- Dentistry (AREA)
- General Health & Medical Sciences (AREA)
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
Abstract
The present invention provides a back rest chair, comprising: base, back and the angle fixing device of setting in the base inside, this angle fixing device includes: handle, terminal box, act as go-between, angle spring, play piece, go up bullet piece, knot piece and knot piece fixed plate down. The technical scheme provided by the invention has the advantage of high user experience.
Description
Technical Field
The invention relates to the field of machinery and furniture, in particular to a backrest chair.
Background
The back rest chair is produced in the north-south direction, and is more commonly used in the later generations. The chair surface is generally square, and is provided with a backrest and an arch-shaped head. The shape of the backrest chair is characterized in that the backrest has no armrest, and the backrest does not protrude. The back rest of such chairs come in different forms, and are known as "one-piece" chairs. The other is called a lamp hanging chair, and the cross beam of the lamp hanging chair is provided with two columns which are slightly tilted upwards just like a lamp post of a flip lamp, so the name is obtained.
The backrest angle of the backrest chair can be adjusted, but the angle of the existing backrest chair cannot be fixed after being adjusted, which is not suitable for some special conditions and affects the customer experience.
Disclosure of Invention
The invention aims to provide a backrest chair, which mainly solves the problem that the backrest angle in the prior art cannot be fixed.
In order to solve the above technical problem, the present invention provides a back rest chair, comprising: base, back and the angle fixing device of setting in the base is inside, and this angle fixing device includes: the pull handle, the pull wire box, the pull wire, the angle spring, the lower elastic block, the upper elastic block, the buckle block and the buckle block fixing plate; wherein the content of the first and second substances,
the handle is connected with one end of a pull line box through a pull line, the other end of the pull line box is connected with one end of another pull line, the other end of the another pull line is connected with one end of a lower elastic block, the buckling block is arranged between the upper elastic block and the lower elastic block, the upper elastic block is fixed with a top plate in the base, the lower elastic block is fixed with a bottom plate in the base, one end of the buckling block is fixed with one end of an angle spring, the other end of the buckling block is provided with a fixing groove matched with one end of a buckling block fixing plate, and the other end of the buckling block fixing plate is fixed with the top plate in the base;
the handle is used for controlling the tightness states of one stay wire and the other stay wire; the lower elastic block is provided with a spring linked with another pull wire, and the contraction state of the spring is controlled by the tightness state of the pull wire;
the handle is used for controlling the tightness state of the stay wire;
the lower elastic block is provided with a spring linked with the stay wire, and the contraction state of the spring is controlled by the tightness state of the stay wire.
Optionally, the bottom of the back rest chair is provided with a rotating disc.
Optionally, the backrest chair is further provided with a pulley
The technical scheme provided by the invention has the advantages of fixed angle and high user experience.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1a is a schematic view of a first state of a back rest chair provided by the application.
Fig. 1b is a schematic diagram of a second state of a back rest chair provided by the application.
Fig. 1c is a schematic view of a third state of a back rest chair provided by the present application.
Fig. 1d is a schematic diagram of a fourth state of the back rest chair provided by the application.
Fig. 2 is a schematic structural diagram of a back rest chair provided by the application.
Fig. 2a is a schematic structural diagram of the junction box provided by the present application.
Fig. 2b is a schematic view of the angle spring structure provided in the present application.
Fig. 2c is another schematic structural diagram of the junction box provided by the present application.
Fig. 2d is another schematic structural diagram of the angle spring provided in the present application.
Fig. 2e is a rear perspective view provided herein.
Fig. 3a is a schematic structural view of the angle fixing apparatus of the present application.
Fig. 3b is a schematic structural view of the cartridge of the present application.
Fig. 3c is a schematic structural view of the outer cylinder of the present application.
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 a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.
In the description of the embodiments of the present invention, it should be understood that the terms "thickness", "left", "right", "upper", "lower", and the like indicate orientations and positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not imply or indicate that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
Referring to fig. 1a, fig. 1a is a schematic structural diagram of a back rest chair, as shown in fig. 1a, the back rest is at a right angle, i.e. 0 °, as shown in fig. 1b, fig. 1c, and fig. 1d, which corresponds to a plurality of angles, but the existing angle cannot be fixed, i.e. the angle of the back rest cannot be fixed at a certain value or the back rest chair always maintains the state, so a special structure is required to fix the angle state of the back rest.
Referring to fig. 2, fig. 2a, fig. 2b, fig. 2c, fig. 2d, fig. 2 e; fig. 2 provides a back rest chair comprising: a base 10, a backrest 11 and an angle fixing device 30 provided inside the base 10, the angle fixing device 30 comprising: the pull handle 31, the pull box 32, the pull wire 33, the angle spring 34, the lower spring block 35, the upper spring block 36, the buckle block 37 and the buckle block fixing plate 38; wherein the content of the first and second substances,
the handle 31 is connected with one end of a pull wire box 32 through a pull wire 33, the other end of the pull wire box 32 is connected with one end of another pull wire 33, the other end of another pull wire 33 is connected with one end of a lower spring block 35, the buckle block 37 is arranged between an upper spring block 36 and the lower spring block 35, the upper spring block 36 is fixed with a top plate in the base 10, the lower spring block 35 is fixed with a bottom plate in the base 10, one end of the buckle block 37 is fixed with one end of an angle spring 34, the other end of the buckle block 37 is provided with a fixing groove 371 matched with one end of a buckle block fixing plate 38, and the other end of the buckle block fixing plate 38 is fixed with the top plate in the base 10;
the handle 31 is used for controlling the tightness state of one pull wire 33 or the other pull wire;
the lower spring block 35 is provided with a spring 351 which is interlocked with the wire 33, and the contraction state of the spring 351 is controlled by the tightness state of the wire 33.
Referring to fig. 2a, fig. 2a is a schematic view of the interior of the pull box, fig. 2b is another schematic view of the interior of the pull box, as shown in fig. 2a, when the pull handle 31 is pulled up, the pull wire 33 is loosened, at this time, the pull wire 33 is in a loosened state, the spring 351 linked with the pull wire 33 is released, the lower spring block 35 jacks up the buckle block 37, the other end of the buckle block 37 is fixed with the fixing groove at one end of the buckle block fixing plate (fig. 2b), such angle spring is limited, the angle of the backrest is fixed, when the pull handle 31 is pulled up again, the pull wire is in a tightened state (fig. 2c), the spring 351 linked with the pull wire 33 is tightened, the lower spring block is tightened, the upper spring block is released, the upper spring block pushes down against the buckle block 37, the buckle block fixing plate falls off, and the angle spring is released. (see fig. 2d), a state round is achieved.
Optionally, the bottom of the back rest chair is provided with a rotating disc 50.
Optionally, the back rest chair is further provided with a pulley 51.
Fig. 3a is a schematic view of the angle fixing device 30 as a whole, fig. 3b is a schematic view of a structure of a take-up reel of the terminal block, fig. 3c is a schematic view of an outer reel 325, and fig. 3c is a schematic view of the take-up reel 325.
A fixed shell 322, a movable shell 323, a tightening cylinder 324 and an outer cylinder 325 are arranged in the pull box 32, wherein the tightening cylinder 324 is fixed with the movable shell 323, two ends of the movable shell 323 are provided with pull wire holes 3231 connected with pull wires 33, the outer cylinder 325 is fixedly connected with the fixed shell 322, the movable shell 323 can move along the fixed shell 322 along with the pull wires, the outer cylinder 325 is provided with two clamping pieces 3251, each clamping piece 3251 has different height, the tightening cylinder 324 is sleeved with the outer cylinder 325, and one side of the tightening cylinder 324 is provided with a convex part 3241 matched with the two clamping pieces 3251.
Therefore, when the stay wire moves, the movable shell is driven to move, then the elastic cylinder is driven to be converted in two clamping pieces of the outer cylinder, and the tightness of the stay wire 33 is different due to different heights, so that the change of the buckle block fixing plate 38 is realized.
The foregoing is illustrative of embodiments of the present invention, and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the embodiments of the present invention and are intended to be within the scope of the present invention.
Claims (3)
1. A back rest chair, comprising: base, back and the angle fixing device of setting in the base inside, this angle fixing device includes: the device comprises a handle, a pull wire box, a pull wire, an angle spring, a lower elastic block, an upper elastic block, a buckling block and a buckling block fixing plate; wherein the content of the first and second substances,
the handle is connected with one end of a pull line box through a pull line, the other end of the pull line box is connected with one end of another pull line, the other end of the another pull line is connected with one end of a lower elastic block, the buckling block is arranged between the upper elastic block and the lower elastic block, the upper elastic block is fixed with a top plate in the base, the lower elastic block is fixed with a bottom plate in the base, one end of the buckling block is fixed with one end of an angle spring, the other end of the buckling block is provided with a fixing groove matched with one end of a buckling block fixing plate, and the other end of the buckling block fixing plate is fixed with the top plate in the base;
the handle is used for controlling the tightness states of one stay wire and the other stay wire; the lower elastic block is provided with a spring linked with the other stay wire, and the contraction state of the spring is controlled by the tightness state of the stay wire.
2. A back chair according to claim 1, wherein the bottom of the back chair is provided with a rotating disc.
3. A back chair according to claim 1 or 2, wherein the back chair is further provided with a pulley.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910536121.0A CN112089242A (en) | 2019-06-18 | 2019-06-18 | Chair with back rest |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910536121.0A CN112089242A (en) | 2019-06-18 | 2019-06-18 | Chair with back rest |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112089242A true CN112089242A (en) | 2020-12-18 |
Family
ID=73748406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910536121.0A Pending CN112089242A (en) | 2019-06-18 | 2019-06-18 | Chair with back rest |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112089242A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201077388Y (en) * | 2007-07-16 | 2008-06-25 | 杭州市汽车内饰件有限公司 | Angle modulation device used for middle row commercial matters vehicular |
| CN201577834U (en) * | 2009-12-30 | 2010-09-15 | 韩汝辉 | Chair capable of positioning angle of inclination of backrest |
| CN201602400U (en) * | 2009-12-30 | 2010-10-13 | 韩汝辉 | Chair capable of limiting inclined angle of backrest |
| CN202716756U (en) * | 2012-06-26 | 2013-02-06 | 张开宇 | Adjusting mechanism of backrest of seat |
| CN103042957A (en) * | 2012-12-31 | 2013-04-17 | 刘基农 | Serial seating-sleeping dual-purpose transporting tools and pneumatic seating-sleeping dual-purpose seat thereof |
| CN206525817U (en) * | 2016-10-28 | 2017-09-29 | 中威控股集团有限公司 | A kind of line traffic control Chair underframe |
-
2019
- 2019-06-18 CN CN201910536121.0A patent/CN112089242A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201077388Y (en) * | 2007-07-16 | 2008-06-25 | 杭州市汽车内饰件有限公司 | Angle modulation device used for middle row commercial matters vehicular |
| CN201577834U (en) * | 2009-12-30 | 2010-09-15 | 韩汝辉 | Chair capable of positioning angle of inclination of backrest |
| CN201602400U (en) * | 2009-12-30 | 2010-10-13 | 韩汝辉 | Chair capable of limiting inclined angle of backrest |
| CN202716756U (en) * | 2012-06-26 | 2013-02-06 | 张开宇 | Adjusting mechanism of backrest of seat |
| CN103042957A (en) * | 2012-12-31 | 2013-04-17 | 刘基农 | Serial seating-sleeping dual-purpose transporting tools and pneumatic seating-sleeping dual-purpose seat thereof |
| CN206525817U (en) * | 2016-10-28 | 2017-09-29 | 中威控股集团有限公司 | A kind of line traffic control Chair underframe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20201218 |
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| RJ01 | Rejection of invention patent application after publication |