CN201888541U - Sofa with rotatable backrest - Google Patents
Sofa with rotatable backrest Download PDFInfo
- Publication number
- CN201888541U CN201888541U CN2010205594304U CN201020559430U CN201888541U CN 201888541 U CN201888541 U CN 201888541U CN 2010205594304 U CN2010205594304 U CN 2010205594304U CN 201020559430 U CN201020559430 U CN 201020559430U CN 201888541 U CN201888541 U CN 201888541U
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- China
- Prior art keywords
- backrest
- fixed disk
- rotating shaft
- ball
- handrail
- 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 - Lifetime
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Abstract
The utility model relates to the technical field of furniture, in particular to a sofa with a rotatable backrest, which comprises a cushion, two armrests and a backrest arranged between the two armrests. A rotary shaft is arranged in the middle of the backrest in a plugged manner, a fixed disk is arranged on the inside of one of the armrests corresponding to the rotary shaft and connected with the rotary shaft in a sleeved mode, the fixed disk is provided with a rotary retaining device which is positioned inside the armrest and connected with the fixed disk, and a switch device is arranged on the outside of the armrest corresponding to the rotary retaining device. When the sofa with the rotatable backrest is used, the connection state of the rotary shaft and the fixed disk is controlled by the rotary retaining device which is controlled by the switch device. Due to the control effect of the rotary retaining device, rotating of the backrest around the rotary shaft can be realized, and backrest positioning can be further achieved. Accordingly, the sofa with the rotatable backrest is versatile, fine in adjustment and high in comfortableness.
Description
Technical field
The utility model relates to the furniture technical field, relates in particular to the rotatable sofa of a kind of backrest.
Background technology
In daily life, sofa has become a kind of very general furniture, relative Wooden chair, and sofa can provide more comfort to the people.Along with people's living standard constantly improves, people are also more and more higher to the requirement of furniture, and are common and sofa function singleness will little by little be given up by people.
Traditional sofa mainly comprises backrest, cushion and handrail, handrail is positioned at the both sides of cushion, backrest is between two handrails, handrail is fixed in cushion, backrest is connected with cushion with handrail respectively, and backrest all relatively cushion fix, will cause a problem like this, the user is merely able to deacclimatize passively the state of sofa, can not adjust the sofa backrest at any time so that oneself reach a more comfortable state according to the needs of oneself.Therefore, existing sofa ubiquity function singleness, adjustability are poor, the defective that comfort is not strong.
Summary of the invention
The purpose of this utility model be to provide at the deficiencies in the prior art a kind of multi-functional, adjustability good, the rotatable sofa of the backrest that comfort is strong.
For achieving the above object, the utility model is achieved through the following technical solutions.
The rotatable sofa of a kind of backrest, include cushion, two handrails and be located at two backrests between the handrail, the centre position of backrest is inserted with rotating shaft, the inboard corresponding rotating shaft of one of them handrail is provided with fixed disk, fixed disk and rotating shaft socket, fixed disk is equiped with the rotation positioner, and the rotation positioner is arranged at the inside of handrail and is connected with fixed disk, and the outside corresponding rotation positioner of handrail is provided with switching device.
Wherein, described rotation positioner includes abutment sleeve, activity screens cover, spring and interlock the drag-line that connects with the activity screens, abutment sleeve be connected in described fixed disk and with described rotating shaft socket, abutment sleeve offers resettlement groove, the activity screens is nested and is loaded in the resettlement groove, the sheathed through hole that is equipped with of activity screens, through hole and described rotating shaft socket, the periphery wall of activity screens cover is provided with the first screens piece, the corresponding first screens piece of abutment sleeve is provided with first retaining groove, the internal perisporium of activity screens cover is provided with the second screens piece, and the corresponding second screens piece of rotating shaft offers second retaining groove, an end of spring and activity screens cover butt.
Wherein, described rotation positioner also includes pilot sleeve and base, the corresponding described first screens piece of pilot sleeve offers gathering sill, the periphery wall and the pilot sleeve socket of described activity screens cover, the first screens piece is flush-mounted in the gathering sill, and an end of pilot sleeve is connected with described abutment sleeve, and the other end of pilot sleeve is connected with base, described drag-line runs through base and is connected the other end of described spring and base butt with described switching device.
Wherein, the corresponding described fixed disk of described backrest is provided with movable disk, and movable disk and fixed disk be arranged in parallel, movable disk and described rotating shaft socket, and movable disk is positioned at the end of backrest.
Wherein, be equiped with ball between described fixed disk and the described movable disk, the corresponding ball of fixed disk and movable disk offers the ball groove respectively.
Wherein, also be equiped with the ball collar between described fixed disk and the described movable disk, the corresponding described ball of ball collar offers the ball draw-in groove, and ball is flush-mounted in the ball draw-in groove.
Wherein, be provided with auxiliary whirligig between described backrest and another handrail, auxiliary whirligig is connected with described rotating shaft.
Wherein, described auxiliary whirligig includes auxiliary fixed disk and special operations dish, and auxiliary fixed disk is connected with described handrail, and the special operations dish is connected with described backrest, auxiliary fixed disk and special operations dish respectively with described rotating shaft socket, be equiped with ball between auxiliary fixed disk and the special operations dish.
Wherein, the housing that described switching device includes pulling-on piece and forms containing cavity, housing is connected with described handrail, and pulling-on piece is installed in the containing cavity of housing and is hinged with housing, described drag-line and pulling-on piece clamping.
Wherein, described fixed disk and described handrail are spirally connected.
The beneficial effects of the utility model are: the rotatable sofa of a kind of backrest described in the utility model, include cushion, two handrails and be located at two backrests between the handrail, the centre position of backrest is inserted with rotating shaft, the inboard corresponding rotating shaft of one of them handrail is provided with fixed disk, fixed disk and rotating shaft socket, fixed disk is equiped with the rotation positioner, and the rotation positioner is arranged at the inside of handrail and is connected with fixed disk, and the outside corresponding rotation positioner of handrail is provided with switching device.In use of the present utility model, switching device control rotation positioner, the connection status of control rotating shaft of rotation positioner and fixed disk; By the control action of rotation positioner, the utility model can realize that backrest rotates around the shaft, also can realize backrest location, therefore, the utlity model has diverse in function, adjustability is good, comfort is strong advantage.
Description of drawings
Utilize accompanying drawing to come the utility model is further described below, but the embodiment in the accompanying drawing does not constitute any restriction of the present utility model.
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the structural representation at another visual angle of the utility model.
Fig. 3 is the structural representation of the utility model internal control device.
Fig. 4 is the generalized section of the utility model internal control device.
Fig. 5 is the enlarged diagram of A shown in Figure 4 position.
Fig. 6 is the generalized section of the utility model switching device.
Fig. 7 is the generalized section of the auxiliary whirligig of the utility model.
In Fig. 1 to Fig. 7, include:
1---cushion 2---handrail 3---backrest
31---rotating shaft 311---second retaining groove 4---fixed disks
5---rotation positioner 51---abutment sleeve 511---first retaining grooves
52---activity screens covers 521---, the first screens piece
522---the second screens piece 53---spring 54---drag-lines
55---pilot sleeve 551---gathering sill 56---bases
6---movable disk 70---ball 71---ball grooves
72---the auxiliary fixed disks of ball collar 8---auxiliary whirligig 81---
82---special operations dish 9---switching device 91---pulling-on pieces
92---housing.
The specific embodiment
Come the utility model is further described below in conjunction with embodiment.
Extremely shown in Figure 7 as Fig. 1, the rotatable sofa of a kind of backrest, include cushion 1, two handrails 2 and be located at two backrests 3 between the handrail 2, the centre position of backrest 3 is inserted with rotating shaft 31, the inboard corresponding rotating shaft 31 of one of them handrail 2 is provided with fixed disk 4, and fixed disk 4 and rotating shaft 31 sockets, fixed disk 4 are equiped with rotation positioner 5, rotation positioner 5 is arranged at the inside of handrail 2 and is connected with fixed disk 4, and the outside corresponding rotation positioner 5 of handrail 2 is provided with switching device 9.Rotating shaft 31 is installed on the centre position of backrest 3, and rotating shaft 31 is fixed together with backrest 3; Fixed disk 4 is installed in the inboard of handrail 2, and fixed disk 4 offers through hole, and rotating shaft 31 setting-ins are to this through hole, and when rotating backrest 3, rotating shaft 31 relative fixed dishes 4 rotate, and backrest 3 rotates with rotating shaft 31.In use of the present utility model, switching device 9 control rotation positioners 5, the connection status of 5 control rotating shafts 31 of rotation positioner and fixed disk 4; By the control action of rotation positioner 5, the utility model can be realized backrest 3 31 rotations around the shaft, also can realize backrest 3 location, and in addition, fixed disk 4 can be fixed in the inboard of handrail 2 by the mode that is spirally connected.Therefore, the utlity model has diverse in function, adjustability is good, the advantage that comfort is strong.
Further, described rotation positioner 5 includes abutment sleeve 51, activity screens cover 52, spring 53 and with activity screens cover 52 drag-lines that are connected 54, abutment sleeve 51 be connected in described fixed disk 4 and with described rotating shaft 31 sockets, abutment sleeve 51 offers resettlement groove, activity screens cover 52 is flush-mounted in the resettlement groove, activity screens cover 52 is provided with through hole, through hole and described rotating shaft 31 sockets, the periphery wall of activity screens cover 52 is provided with the first screens piece 521, the abutment sleeve 51 corresponding first screens pieces 521 are provided with first retaining groove 511, the internal perisporium of activity screens cover 52 is provided with the second screens piece 522, the rotating shaft 31 corresponding second screens pieces 522 offer second retaining groove 311, and 52 butts are overlapped in an end and the activity screens of spring 53.Abutment sleeve 51 is fixed in a side of movable disk 6, and abutment sleeve 51 can be by being spirally connected or riveted way is connected with fixed disk 4, but above-mentioned connected mode does not constitute any restriction to the utility model.The second screens piece 522 is flush-mounted in second retaining groove 311 of rotating shaft 31, and when rotating shaft 31 was rotated, by the matching relationship of the second screens piece 522 and second retaining groove 311, activity screens cover 52 rotated with rotating shaft 31.The first screens piece 521 and second groove fit, when in the first screens piece, 521 setting-in to the first retaining grooves 511, activity screens cover 52 can not rotate by relative positioning sleeve 51, and at this moment, rotating shaft 31 can not be rotated by relative fixed dish 4, and backrest 3 is positioned; When the first screens piece 521 withdrawed from first retaining groove 511, because the elastic force effect of spring 53, the first screens piece 521 contacted with the end face of abutment sleeve 51, when rotating shaft 31, activity screens cover 52 can rotate by relative positioning sleeve 51, and at this moment, backrest 3 can rotate relative to handrail 2.When the user need rotate 3 to comfortable positions of backrest, the user is Drawing switch device 9 at first, under the driving effect of switching device 9, drag-line 54 is pulled out the first screens piece 521 of activity screens cover 52 in first retaining groove 511 of abutment sleeve 51, at this moment, the user can adjust backrest 3 to comfortable position; When rotation backrest 3 to first screens pieces 521 and first retaining groove, 511 centerings, in setting-in to the first retaining groove 511, at this moment, backrest 3 is positioned the first screens piece 521 again again.
Further, described rotation positioner 5 also includes pilot sleeve 55 and base 56, the pilot sleeve 55 corresponding described first screens pieces 521 offer gathering sill 551, the periphery wall and pilot sleeve 55 sockets of described activity screens cover 52, the first screens piece 521 is flush-mounted in the gathering sill 551, one end of pilot sleeve 55 is connected with described abutment sleeve 51, the other end of pilot sleeve 55 is connected with base 56, described drag-line 54 runs through base 56 and is connected the other end of described spring 53 and base 56 butts with described switching device 9.The bottom of base 56 offers the through hole that is used for interspersed drag-line 54, pilot sleeve 55 is with base 56 combinations and form a cavity, spring 53 is placed in this cavity, and an end of spring 53 and activity screens are overlapped 52 butts, the inner side end butt of the other end and base 56.Activity screens cover 52 can be provided with one first screens piece 521 at its periphery wall, and at this moment, backrest 3 needs to rotate a Zhou Caike and reorientates; Activity screens cover 52 also can be symmetrical arranged two first screens pieces 521,3 on backrest needs to rotate half cycle and just can reorientate, at this moment, two anchor points that backrest 3 can corresponding backrest 3 are provided with 3 on different backrest, and 3 on this backrest can use under different states for the user.
As preferred embodiment, described backrest 3 corresponding described fixed disks 4 are provided with movable disk 6, and movable disk 6 be arranged in parallel with fixed disk 4, movable disk 6 and described rotating shaft 31 sockets, and movable disk 6 is positioned at the end of backrest 3.The end of backrest 3 is provided with movable disk 6, and movable disk 6 is used with fixed disk 4.Fixed disk 4 can be fixed in the periphery wall of rotating shaft 31, also can be fixed in the end of backrest 3.By cooperating of movable disk 6 and fixed disk 4, the end of backrest 3 does not directly contact with handrail 2, the friction that produces in the time of so just can avoiding backrest 3 to rotate with handrail 2 effectively and cause backrest 3 and handrail 2 wearing and tearing.
Further, be equiped with ball 70 between described fixed disk 4 and the described movable disk 6, fixed disk 4 and movable disk 6 corresponding balls 70 offer ball groove 71 respectively.The ball groove 71 of fixed disk 4 and the ball groove of movable disk 6 71 cooperate, and ball 70 is placed between the two ball grooves 71.By installing ball 70 between fixed disk 4 and movable disk 6, become rolling friction by sliding friction between fixed disk 4 and the movable disk 6, frictional force diminishes, and this makes that rotation is more convenient between backrest 3 and the handrail 2.
Further, also be equiped with ball collar 72 between described fixed disk 4 and the described movable disk 6, ball collar 72 corresponding described balls 70 offer the ball draw-in groove, and ball 70 is flush-mounted in the ball draw-in groove.The ball draw-in groove blocks ball 70, and when backrest 3 rotated, movable disk 6 relative fixed dishes 4 rotated, ball 70 rolls in resettlement groove, by the ball draw-in groove is set, can make things convenient for ball 70 to install on the one hand, on the other hand can so that ball 70 in ball groove 71, evenly arrange along the ball draw-in groove.
As preferred embodiment, be provided with auxiliary whirligig 8 between described backrest 3 and another handrail 2, auxiliary whirligig 8 is connected with described rotating shaft 31; Should include auxiliary fixed disk 81 and special operations dish 82 by auxiliary whirligig 8, auxiliary fixed disk 81 is connected with described handrail 2, special operations dish 82 is connected with described backrest 3, auxiliary fixed disk 81 and special operations dish 82 respectively with described rotating shaft 31 sockets, be equiped with ball 70 between auxiliary fixed disk 81 and the special operations dish 82.Should assist the auxiliary fixed disk 81 of whirligig 8 the same with said fixing dish 4, special operations dish 82 is the same with above-mentioned movable disk 6, rotating shaft 31 respectively with auxiliary fixed disk 81 and 82 sockets of special operations dish, between auxiliary fixed disk 81 and the special operations dish 82 ball 70 is installed.By set up auxiliary whirligig 8 at backrest 3, this makes backrest 3 stressed more balanced when rotating, and it is more smooth and easy to make that also backrest 3 rotates.
As preferred embodiment, the housing 92 that described switching device 9 includes pulling-on piece 91 and forms containing cavity, housing 92 is connected with described handrail 2, and pulling-on piece 91 is installed in the containing cavity of housing 92 and is hinged with housing 92, described drag-line 54 and pulling-on piece 91 clampings.Pulling-on piece 91 is hinged with housing 92, drag-line 54 and pulling-on piece 91 clampings, when the user need rotate backrest 3, along handrail 2 lateral direction pulling pulling-on piece 91, pulling-on piece 91 is formed a leverage with its pin joint, and drag-line 54 spurs active card position cover 52 under the tension effect of pulling-on piece 91, at this moment, the first screens piece 521 withdraws from first retaining groove 511, and backrest 3 becomes rotatable state by positioning states.In addition, housing 92 can be fixed in the outside of handrail 2 by the mode that is spirally connected.
Above content only is preferred embodiment of the present utility model, for those of ordinary skill in the art, according to thought of the present utility model, the part that all can change in specific embodiments and applications, this description should not be construed as restriction of the present utility model.
Claims (10)
1. rotatable sofa of backrest, include cushion (1), two handrails (2) and be located at backrest (3) between two handrails (2), it is characterized in that: the centre position of backrest (3) is inserted with rotating shaft (31), the inboard corresponding rotating shaft (31) of one of them handrail (2) is provided with fixed disk (4), fixed disk (4) and rotating shaft (31) socket, fixed disk (4) is equiped with rotation positioner (5), rotation positioner (5) is arranged at the inside of handrail (2) and is connected with fixed disk (4), and the outside corresponding rotation positioner (5) of handrail (2) is provided with switching device (9).
2. the rotatable sofa of a kind of backrest according to claim 1, it is characterized in that: described rotation positioner (5) includes abutment sleeve (51), activity screens cover (52), spring (53) and the drag-line (54) that is connected with activity screens cover (52), abutment sleeve (51) be connected in described fixed disk (4) and with described rotating shaft (31) socket, abutment sleeve (51) offers resettlement groove, activity screens cover (52) is flush-mounted in the resettlement groove, activity screens cover (52) is provided with through hole, through hole and described rotating shaft (31) socket, the periphery wall of activity screens cover (52) is provided with the first screens piece (521), the corresponding first screens piece (521) of abutment sleeve (51) is provided with first retaining groove (511), the internal perisporium of activity screens cover (52) is provided with the second screens piece (522), the corresponding second screens piece (522) of rotating shaft (31) offers second retaining groove (311), an end of spring (53) and activity screens cover (52) butt.
3. the rotatable sofa of a kind of backrest according to claim 2, it is characterized in that: described rotation positioner (5) also includes pilot sleeve (55) and base (56), the corresponding described first screens piece (521) of pilot sleeve (55) offers gathering sill (551), the periphery wall of described activity screens cover (52) and pilot sleeve (55) socket, the first screens piece (521) is flush-mounted in the gathering sill (551), one end of pilot sleeve (55) is connected with described abutment sleeve (51), the other end of pilot sleeve (55) is connected with base (56), described drag-line (54) runs through base (56) and is connected with described switching device (9), the other end of described spring (53) and base (56) butt.
4. the rotatable sofa of a kind of backrest according to claim 1, it is characterized in that: the corresponding described fixed disk of described backrest (3) (4) is provided with movable disk (6), movable disk (6) be arranged in parallel with fixed disk (4), movable disk (6) and described rotating shaft (31) socket, movable disk (6) is positioned at the end of backrest (3).
5. the rotatable sofa of a kind of backrest according to claim 4, it is characterized in that: be equiped with ball (70) between described fixed disk (4) and the described movable disk (6), fixed disk (4) and the corresponding ball of movable disk (6) (70) offer ball groove (71) respectively.
6. the rotatable sofa of a kind of backrest according to claim 5, it is characterized in that: also be equiped with ball collar (72) between described fixed disk (4) and the described movable disk (6), the corresponding described ball of ball collar (72) (70) offers the ball draw-in groove, and ball (70) is flush-mounted in the ball draw-in groove.
7. the rotatable sofa of a kind of backrest according to claim 1 is characterized in that: be provided with auxiliary whirligig (8) between described backrest (3) and another handrail (2), auxiliary whirligig (8) is connected with described rotating shaft (31).
8. the rotatable sofa of a kind of backrest according to claim 7, it is characterized in that: described auxiliary whirligig (8) includes auxiliary fixed disk (81) and special operations dish (82), auxiliary fixed disk (81) is connected with described handrail (2), special operations dish (82) is connected with described backrest (3), auxiliary fixed disk (81) and special operations dish (82) respectively with described rotating shaft (31) socket, assist between fixed disk (81) and the special operations dish (82) and be equiped with ball (70).
9. the rotatable sofa of a kind of backrest according to claim 2, it is characterized in that: the housing (92) that described switching device (9) includes pulling-on piece (91) and forms containing cavity, housing (92) is connected with described handrail (2), pulling-on piece (91) is installed in the containing cavity of housing (92) and is hinged with housing (92), described drag-line (54) and pulling-on piece (91) clamping.
10. according to any rotatable sofa of described a kind of backrest of claim 1 to 9, it is characterized in that: described fixed disk (4) is spirally connected with described handrail (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205594304U CN201888541U (en) | 2010-10-13 | 2010-10-13 | Sofa with rotatable backrest |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205594304U CN201888541U (en) | 2010-10-13 | 2010-10-13 | Sofa with rotatable backrest |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201888541U true CN201888541U (en) | 2011-07-06 |
Family
ID=44218017
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205594304U Expired - Lifetime CN201888541U (en) | 2010-10-13 | 2010-10-13 | Sofa with rotatable backrest |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201888541U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109157046A (en) * | 2018-10-16 | 2019-01-08 | 惠州市海洋居品家具有限公司 | A kind of compact-sized Multifunctional combined sofa |
-
2010
- 2010-10-13 CN CN2010205594304U patent/CN201888541U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109157046A (en) * | 2018-10-16 | 2019-01-08 | 惠州市海洋居品家具有限公司 | A kind of compact-sized Multifunctional combined sofa |
| CN109157046B (en) * | 2018-10-16 | 2021-01-26 | 惠州市海洋居品家具有限公司 | Multifunctional combined sofa with compact structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110706 |