CN204071223U - A kind of folding soft chair with back - Google Patents
A kind of folding soft chair with back Download PDFInfo
- Publication number
- CN204071223U CN204071223U CN201420491242.0U CN201420491242U CN204071223U CN 204071223 U CN204071223 U CN 204071223U CN 201420491242 U CN201420491242 U CN 201420491242U CN 204071223 U CN204071223 U CN 204071223U
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- China
- Prior art keywords
- shaped
- chair
- mobile jib
- headrest
- angle
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- Withdrawn - After Issue
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Abstract
The utility model relates to field of sanitary equipment, and a kind of folding soft chair with back, comprises the integral type overcoat in outside, and be coated on the filling core body in integral type overcoat, and be coated on the chair framework of filling in core body; Chair framework comprises chair seat frame hinged successively from bottom to up, chair back rack and pillow, the adjustment of angle of back-rest and the adjustment of headrest angle can be carried out according to user demand, not only can be applicable to multi-angle to take, can also by the chair back and on headrest overlay on seat support after folding, be convenient to storage.And simultaneously, front U-shaped bar is inclined at U-shaped mobile jib front end, promote the intensity on front side of support chair mounting; Rear U-shaped bar is fastened on the rear side of U-shaped mobile jib and is connected by support bar between U-shaped bar and the bend free end of U-shaped mobile jib afterwards, improves the intensity on rear side of chair seat frame; Thus, the whole chair seat frame structure soft chair with back is steady, support strength is high, and the center of gravity of soft chair with back is forward, not easily turns over afterwards, falls down when taking.
Description
Technical field
The utility model relates to field of sanitary equipment, particularly relates to a kind of folding soft chair with back.
Background technology
Existing Domestic soft material furniture mainly comprises sofa and the soft chair with back of legless, and the inside that existing sofa is many adopts fixing skeleton, and only have fixing using state, can not regulate sofa backrest angle, adaptability is not high, uses inconvenience.And the soft chair with back of existing legless mainly to be turned down by its inner skeleton by folding cushion and forms, can reach by adjusting angle of back-rest the function that multi-angle takes, dosses and receive during use, more for convenience; But the inner skeleton structure of the soft chair with back of this kind of legless is simple, make the crank of soft chair with back at the bottom of support strength, when taking easily after turn over, fall down.
Therefore, market is badly in need of a steady, the easy to use and collapsible soft chair with back that support strength is high.
Summary of the invention
In order to solve the problem, the purpose of this utility model is to provide a kind of steady, easy to use and collapsible soft chair with back that support strength is high.
In order to realize above-mentioned object, the utility model have employed following technical scheme:
A kind of folding soft chair with back, comprises the integral type overcoat in outside, and is coated on the filling core body in integral type overcoat, and be coated on the chair framework of filling in core body; Chair framework comprises the chair seat frame, chair back rack and the pillow that set gradually from bottom to up;
Described chair seat frame comprises U-shaped mobile jib, front U-shaped bar, rear U-shaped bar, seat support reinforcement link rod and two support bars; Backwards, the rear portion of two U-shaped arms of U-shaped mobile jib is bent upwards the U-shaped opening of U-shaped mobile jib; Described front U-shaped bar is inclined on U-shaped mobile jib, and two free ends of front U-shaped bar are fastened on two U-shaped arm leading sections of U-shaped mobile jib respectively; Described seat support is strengthened link rod and is horizontally installed between the bend of U-shaped mobile jib, and the both ends that seat support strengthens link rod are all fastened on the bend free end of U-shaped mobile jib; Forward, two free ends of rear U-shaped bar are fastened on two U-shaped facies medialis brachiis of U-shaped mobile jib the U-shaped opening of described rear U-shaped bar respectively, and before junction is in the bend of U-shaped mobile jib; The bottom of described two support bars is fastened in two U-shaped arm rearward end of rear U-shaped bar respectively, and upper end is separately fixed on the bend free end of U-shaped mobile jib; Described chair back rack comprises two chair back side levers be arranged in parallel, and the bottom of chair back side lever is hinged on the bend free end of U-shaped mobile jib by angle of back-rest adjuster, and the upper end of chair back side lever bends backward; Described pillow comprises U-shaped push rod and link rod strengthened by headrest, and two free ends of U-shaped push rod are hinged on the upper end of two chair back side levers by headrest angle demodulator respectively; Headrest is strengthened link rod and is horizontally installed between two head pillow angle demodulators, and the both ends that link rod strengthened by headrest are fastened on the medial surface of headrest angle demodulator respectively;
Described angle of back-rest adjuster is identical with the structure of headrest angle demodulator, and include the first connector and the second connector, the first connector is hinged by bearing pin a and the second connector;
The first Access Division that first connector comprises the first socket part and is connected with the first socket part one; First Access Division is hinged with ratchet by bearing pin b, and ratchet is provided with for the torsional spring slot for placing torsion spring, is provided with torsion spring in torsional spring slot, and the middle part of torsion spring is set on bearing pin b, and two free ends of torsion spring are stuck on the inner end of the first socket part respectively;
The second Access Division that second connector comprises the second socket part and is connected with the second socket part one; Second Access Division is provided with the block and multiple unidirectional gear teeth that are connected as a single entity with it, multiple unidirectional gear teeth are arranged along the inner end edges rule of the second Access Division, and forming the wheel flank of tooth each other, the wheel flank of tooth that the inner end of ratchet and the unidirectional gear teeth are formed offsets formation ratchet wheel positioning mechanism; Second Access Division is also coaxially arranged with spacer along bearing pin a, and described spacer comprises outside cambered surface diameter and is greater than the location division that the reset portion of the wheel flank of tooth and outside cambered surface diameter be less than the wheel flank of tooth, and location division is provided with locating aperture, and block is in locating aperture; When spacer rotates along bearing pin a, reset portion and ratchet offset, are rotatably assorted, and locating aperture and block are rotatably assorted.
The utility model adopts technique scheme, this soft chair with back has the advantage of two aspects: on the one hand, soft chair with back inner skeleton be made up of chair seat frame hinged successively from bottom to up, chair back rack and pillow, the adjustment of angle of back-rest and the adjustment of headrest angle can be carried out according to user demand, not only can be applicable to multi-angle to take, can also by the chair back and on headrest overlay on seat support after folding, be convenient to storage; On the other hand, the rear portion of two U-shaped arms of U-shaped mobile jib is bent upwards, and chair back rack is hinged on the bend free end of U-shaped mobile jib, when use is taken, the chair back and saddle can tightly be fitted human body back, can not there is the situation that human body back lower end and the chair back exist space; And simultaneously, front U-shaped bar is inclined at U-shaped mobile jib front end, promote the intensity on front side of support chair mounting; Rear U-shaped bar is fastened on the rear side of U-shaped mobile jib and is connected by support bar between U-shaped bar and the bend free end of U-shaped mobile jib afterwards, improves the intensity on rear side of chair seat frame; Thus, the whole chair seat frame structure soft chair with back is steady, support strength is high, and the center of gravity of soft chair with back is forward, not easily turns over afterwards, falls down when taking.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is seat framing structure schematic diagram of the present utility model.
Fig. 3 is the structural representation of angle of back-rest adjuster or headrest angle demodulator.
Detailed description of the invention
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in further detail.
One as shown in Figure 1 and Figure 2 folds soft chair with back, comprises the integral type overcoat 1 in outside, and is coated on the filling core body 2 in integral type overcoat 1, and is coated on the chair framework of filling in core body 2; Chair framework comprises the chair seat frame 5, chair back rack 6 and the pillow 7 that set gradually from bottom to up.
Chair seat frame 5 comprises U-shaped mobile jib 51, front U-shaped bar 52, rear U-shaped bar 53, seat support reinforcement link rod 54 and two support bars 55.Backwards, the rear portion of two U-shaped arms of U-shaped mobile jib 51 is bent upwards the U-shaped opening of U-shaped mobile jib 51.Front U-shaped bar 52 is inclined on U-shaped mobile jib 51, and two free ends of front U-shaped bar 52 are fastened on two U-shaped arm leading sections of U-shaped mobile jib 51 respectively.Seat support is strengthened link rod 54 and is horizontally installed between the bend 51a of U-shaped mobile jib 51, and the both ends that seat support strengthens link rod 54 are all fastened on the bend 51a free end of U-shaped mobile jib 51.Forward, two free ends of rear U-shaped bar 53 are all fastened on two U-shaped facies medialis brachiis of U-shaped mobile jib 51 the U-shaped opening of rear U-shaped bar 53, and before junction is in the bend 51a of U-shaped mobile jib 51.The bottom of two support bars 55 is fastened in two U-shaped arm rearward end of rear U-shaped bar 53 respectively, and upper end is separately fixed on the bend 51a free end of U-shaped mobile jib 51.Chair back rack 6 comprises two chair back side levers 61 be arranged in parallel, and the bottom of chair back side lever 61 is hinged on the bend 51a free end of U-shaped mobile jib 51 by angle of back-rest adjuster 3, and the upper end of chair back side lever 61 bends backward.Pillow 7 comprises U-shaped push rod 71 and link rod 72 strengthened by headrest, and two free ends of U-shaped push rod 71 are hinged on the upper end of two chair back side levers 61 respectively by headrest angle demodulator 4.Headrest is strengthened link rod 72 and is horizontally installed between two head pillow angle demodulators 4, and the both ends that link rod 72 strengthened by headrest are fastened on the medial surface of headrest angle demodulator 4 respectively.
As shown in Fig. 2 ~ 3, angle of back-rest adjuster 3 is identical with the structure of headrest angle demodulator 4, includes the first connector 31 and the second connector 32, first connector 31 is hinged by bearing pin a and the second connector 32.The first Access Division 312 that first connector 31 comprises the first socket part 311 and is connected with the first socket part 311 one.First Access Division 312 is hinged with ratchet 33 by bearing pin b, ratchet 33 is provided with for the torsional spring slot 331 for placing torsion spring, be provided with torsion spring 34 in torsional spring slot, the middle part of torsion spring 34 is set on bearing pin b, and two free ends of torsion spring 34 are stuck on the inner end of the first socket part 311 respectively.The second Access Division 322 that second connector 32 comprises the second socket part 321 and is connected with the second socket part 321 one.Second Access Division 322 is provided with the block 35 and multiple unidirectional gear teeth 36 that are connected as a single entity with it, multiple unidirectional gear teeth 36 are arranged along the inner end edges rule of the second Access Division 322, and forming the wheel flank of tooth each other, the wheel flank of tooth that the inner end of ratchet 33 and the unidirectional gear teeth 36 are formed offsets formation ratchet wheel positioning mechanism.Second Access Division 322 is also coaxially arranged with spacer 37 along bearing pin a, described spacer 37 comprises outside cambered surface diameter and is greater than the location division that the reset portion 371 of the wheel flank of tooth and outside cambered surface diameter be less than the wheel flank of tooth, location division is provided with locating aperture 372, and block 35 is in locating aperture 372.When spacer 37 rotates along bearing pin a, reset portion 371 and ratchet 33 offset, are rotatably assorted, and locating aperture 372 and block 35 are rotatably assorted.
The angle of back-rest regulative mode of this soft chair with back: the first socket part of angle of back-rest adjuster is socketed on the bend free end of U-shaped mobile jib, and the second socket part is socketed on the bottom of chair back side lever; The ratchet wheel positioning mechanism formed due to inner end and the unidirectional gear teeth 36 of ratchet 33 can only the clockwise one-directional rotation of the chair back, therefore the angle [alpha] between seat support and the chair back is turned down, can regulate step by step according to the unidirectional gear teeth 36, be taken to user by adjusting back.And the angle [alpha] between seat support and the chair back is when being less than certain angle, block 35 on second connector 32 promotes locating aperture 372 right side wall of spacer 37, spacer 37 is rotated clockwise along bearing pin a, the reset portion 371 of spacer 37 offsets with the inner end of ratchet 33, extrudes, because the outside cambered surface diameter of reset portion 371 is greater than the wheel flank of tooth, therefore, while reset portion 371 and ratchet 33 offset, ratchet 33 and engaging between the unidirectional gear teeth 36 is removed; Now, the chair back can be able to be overlayed on seat support on the one hand, convenient for collecting; Angle [alpha] between seat support and the chair back can be tuned up on the other hand, because the reset portion of spacer 37 371 and ratchet 33 offset, remove ratchet 33 and engaging between the unidirectional gear teeth 36; When second connector 32 and upper fixed stop 35 thereof are rotated counterclockwise, spacer 37 and ratchet 33 offset and thus do not rotate, until after block 35 and the left side wall on spacer 37 offset, block 35 promotes spacer 37 and rotates counterclockwise until spacer 37 departs from ratchet 33, ratchet 33 the inner is engaged with the unidirectional gear teeth 36 again, and α is maximum for chair back expanded angle.
The headrest angular adjustment of this soft chair with back: the first socket part of headrest angle demodulator is socketed in the upper end of chair back side lever, and the second socket part is socketed in two free ends of U-shaped push rod; The structure of headrest angle demodulator is identical with angle of back-rest adjuster, and its occupation mode is also with reference to the occupation mode of above-mentioned angle of back-rest adjuster.
Claims (1)
1. a folding soft chair with back, is characterized in that: the integral type overcoat comprising outside, and is coated on the filling core body in integral type overcoat, and be coated on the chair framework of filling in core body; Chair framework comprises the chair seat frame, chair back rack and the pillow that set gradually from bottom to up;
Described chair seat frame comprises U-shaped mobile jib, front U-shaped bar, rear U-shaped bar, seat support reinforcement link rod and two support bars; Backwards, the rear portion of two U-shaped arms of U-shaped mobile jib is bent upwards the U-shaped opening of U-shaped mobile jib; Described front U-shaped bar is inclined on U-shaped mobile jib, and two free ends of front U-shaped bar are fastened on two U-shaped arm leading sections of U-shaped mobile jib respectively; Described seat support is strengthened link rod and is horizontally installed between the bend of U-shaped mobile jib, and the both ends that seat support strengthens link rod are all fastened on the bend free end of U-shaped mobile jib; Forward, two free ends of rear U-shaped bar are fastened on two U-shaped facies medialis brachiis of U-shaped mobile jib the U-shaped opening of described rear U-shaped bar respectively, and before junction is in the bend of U-shaped mobile jib; The bottom of described two support bars is fastened in two U-shaped arm rearward end of rear U-shaped bar respectively, and upper end is separately fixed on the bend free end of U-shaped mobile jib; Described chair back rack comprises two chair back side levers be arranged in parallel, and the bottom of chair back side lever is hinged on the bend free end of U-shaped mobile jib by angle of back-rest adjuster, and the upper end of chair back side lever bends backward; Described pillow comprises U-shaped push rod and link rod strengthened by headrest, and two free ends of U-shaped push rod are hinged on the upper end of two chair back side levers by headrest angle demodulator respectively; Headrest is strengthened link rod and is horizontally installed between two head pillow angle demodulators, and the both ends that link rod strengthened by headrest are fastened on the medial surface of headrest angle demodulator respectively;
Described angle of back-rest adjuster is identical with the structure of headrest angle demodulator, and include the first connector and the second connector, the first connector is hinged by bearing pin a and the second connector;
The first Access Division that first connector comprises the first socket part and is connected with the first socket part one; First Access Division is hinged with ratchet by bearing pin b, and ratchet is provided with for the torsional spring slot for placing torsion spring, is provided with torsion spring in torsional spring slot, and the middle part of torsion spring is set on bearing pin b, and two free ends of torsion spring are stuck on the inner end of the first socket part respectively;
The second Access Division that second connector comprises the second socket part and is connected with the second socket part one; Second Access Division is provided with the block and multiple unidirectional gear teeth that are connected as a single entity with it, multiple unidirectional gear teeth are arranged along the inner end edges rule of the second Access Division, and forming the wheel flank of tooth each other, the wheel flank of tooth that the inner end of ratchet and the unidirectional gear teeth are formed offsets formation ratchet wheel positioning mechanism; Second Access Division is also coaxially arranged with spacer along bearing pin a, and described spacer comprises outside cambered surface diameter and is greater than the location division that the reset portion of the wheel flank of tooth and outside cambered surface diameter be less than the wheel flank of tooth, and location division is provided with locating aperture, and block is in locating aperture; When spacer rotates along bearing pin a, reset portion and ratchet offset, are rotatably assorted, and locating aperture and block are rotatably assorted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420491242.0U CN204071223U (en) | 2014-08-28 | 2014-08-28 | A kind of folding soft chair with back |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420491242.0U CN204071223U (en) | 2014-08-28 | 2014-08-28 | A kind of folding soft chair with back |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204071223U true CN204071223U (en) | 2015-01-07 |
Family
ID=52164005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420491242.0U Withdrawn - After Issue CN204071223U (en) | 2014-08-28 | 2014-08-28 | A kind of folding soft chair with back |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204071223U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104172763A (en) * | 2014-08-28 | 2014-12-03 | 浙江凯帝家具有限公司 | Folding soft back chair |
-
2014
- 2014-08-28 CN CN201420491242.0U patent/CN204071223U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104172763A (en) * | 2014-08-28 | 2014-12-03 | 浙江凯帝家具有限公司 | Folding soft back chair |
| CN104172763B (en) * | 2014-08-28 | 2016-09-28 | 浙江凯帝家具有限公司 | The soft chair with back of a kind of folding |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150107 Effective date of abandoning: 20160928 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |