CN102894711B - Four-side adjustable convertible sofa - Google Patents
Four-side adjustable convertible sofa Download PDFInfo
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- CN102894711B CN102894711B CN201210403094.8A CN201210403094A CN102894711B CN 102894711 B CN102894711 B CN 102894711B CN 201210403094 A CN201210403094 A CN 201210403094A CN 102894711 B CN102894711 B CN 102894711B
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- handrail
- sofa
- backrest
- sofa seat
- positioning pipe
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Abstract
The invention relates to the field of furniture, in particular to a four-side adjustable convertible sofa, which comprises a pedestal, a sofa seat, a right handrail, a left handrail and a backrest, wherein a swing block mechanism is formed by combining a sliding positioning tube, a supporting positioning tube and the pedestal and is used as a mechanism for supporting and angle adjustment of the sofa seat, the backrest and the handrails; independent adjustment of angle and height of the sofa seat, the backrest or the handrail on one side or the handrails on the two sides of the sofa is finished by using connection of a plurality of revolving pairs; thus the sofa can be randomly adjusted in a certain range, is fixedly arranged at a certain position, can meet the requirements for rest at various postures of different users and can effectively support the body of a person to protect the spine of the person so as to meet the requirement of enjoyment of the user to the greatest extent and have a certain protection effect on the children playing on the sofa; and in addition, the sofa has the advantages of adoption of a lower pair as a kinematic pair, surface contact for contact of all parts, simple structures and convenience in machining of constituent elements and reliable structure movement.
Description
Technical field
The invention belongs to furniture technical field, relate to a kind of all adjustable sofas of angle that make sofa seat, backrest and both sides handrail by frame for movement, make the use function of sofa more comfortable.
Background technology
Along with social development and the raising of living standards of the people, sofa has been come into almost each family in city as a kind of comparatively comfortable furniture.Present sofa, existing very large progress in style, material, function, its adaptability is also stronger.And sofa designers are also making great efforts the new sofa kind of continual exploitation, to adapt to different consumer groups' needs.
With regard to existing market sofa on sale, most armchair and the double or three-seater of a part are not flexible, have some backrests double or three-seater to adjust, and make it to turn over that to build up be that a berth uses.In existing immutable and variable sofa, the former function singleness, only limits to sitting posture; The latter is comparatively flexible, can be for sitting or sleeping two kinds of postures.But most variable sofas also only limit to the use of two kinds of postures, can not adapt to the use of other postures.For example we want to adopt lie on one's side or half sleeping posture on sofa when rest, present sofa is the function that can not provide more comfortable.
With regard to sofa seat, there is investigation to show, the user of many sofas once proposed, and when user's side is recumbent on a sofa while seeing TV, wished kind of the sensation being encased by sofa.Secondly,, when the child in manager plays on sofa, the head of a family also wishes that sofa can protect child, avoids being fallen on the ground in the time jumping.Therefore, if sofa seat front end can lift certain angle, can make the person of lying on one's side automatically rely on sofa backrest, the angle of the person's of lying on one's side sight line also can be inclined upwardly automatically, is convenient to watch TV, can make us more comfortable.And for the child who plays, while jumping, can automatically rely on sofa backrest on sofa on sofa, and be not easy, towards throwing above, can be blocked by sofa backrest backward, can avoid throwing from sofa because of carelessness.But the sofa seat of most sofa product cannot lift adjusting.
Summary of the invention
The object of the invention is to overcome above deficiency, a kind of Variable sofa that can regulate is on four sides provided, the handrail of sofa seat, backrest or the one or both sides of described sofa can regulate separately arbitrarily, make sofa shape, sofa seat, backrest and handrail angle and highly can have the change of various ways, make sofa can adapt to the needs of the multiple posture rest of user and can effectively hold people's health, protect people's vertebra, meet to greatest extent user's enjoyment demand; In addition, can play certain protective effect to the children that play on sofa.
For achieving the above object, the present invention has taked following technical scheme.
A kind of Variable sofa that can regulate on four sides, contain base, sofa seat, right handrail, backrest and left handrail, it is characterized in that, described base comprises base crossbeam, feet, left support post, right support post, rear support pin and rear support post, described base crossbeam and feet form sofa ground structure, the right and left affixed left support post and right support post longitudinally, that be inverted L-shaped structure on base crossbeam court, at the affixed rear support pin in centre of the facing backwards of base crossbeam, rear support pin towards above the affixed longitudinal rear support post in rear portion; The two ends, left and right of described base crossbeam and rear support pin rear and front end, described left support post and the outer end, top of right support post and the two ends, top of rear support post are syndeton end;
Described sofa seat is fixedly installed on the sofa seat back shaft and sofa seat connecting plate that is cross connection, the rear end of described sofa seat back shaft is hinged by a side of sofa seat the 3rd rotational pin and rear support capital end, formation revolute pair connects, the front end of described sofa seat back shaft is hinged by the upper end of sofa seat the first rotational pin and sofa seat slip positioning pipe, formation revolute pair connects, length direction in described sofa seat slip positioning pipe outside is provided with row's circular hole, the lower end of described sofa seat slip positioning pipe is socketed in a sofa seat supporting and location pipe, be provided with a locating hole boss in the outer upper of sofa seat supporting and location pipe, in described locating hole boss, be connected with sofa seat dog screw, described sofa seat slip positioning pipe and sofa seat supporting and location pipe are by described circular hole and the described locating hole alternative interlocking of sofa seat dog screw, the lower end of described sofa seat supporting and location pipe is hinged by the front end of sofa seat the second rotational pin and rear support pin, forms revolute pair and connects, and the both sides of described sofa seat lower end can be shelved on the inboard, top of described left support post and right support post,
Described backrest is fixedly installed on the carrier being made up of backrest support rods and backrest connecting plate, the lower end of described backrest support rods is hinged by the opposite side of backrest the 3rd rotational pin and rear support capital end, formation revolute pair connects, the upper end of described backrest support rods is hinged by the upper end of backrest the first rotational pin and backrest slip positioning pipe, formation revolute pair connects, length direction in described backrest slip positioning pipe outside is provided with row's circular hole, the lower end of described backrest slip positioning pipe is socketed in a back rest supports positioning pipe, be provided with a locating hole boss in the outer upper of back rest supports positioning pipe, in described locating hole boss, be connected with backrest dog screw, described backrest slip positioning pipe and back rest supports positioning pipe are by described circular hole and the described locating hole alternative interlocking of backrest dog screw, the lower end of described back rest supports positioning pipe is hinged by the rear end of backrest the second rotational pin and rear support pin, forms revolute pair and connects,
Described right handrail is fixedly installed on the carrier being made up of right handrail support bar and right handrail connecting plate, the lower end of described right handrail support bar is hinged by the outside of right handrail the 3rd rotational pin and right support capital end, formation revolute pair connects, the upper end of described right handrail support bar is hinged by the upper end of right handrail the first rotational pin and right handrail slip positioning pipe, formation revolute pair connects, length direction in described right handrail slip positioning pipe outside is provided with row's circular hole, the lower end of described right handrail slip positioning pipe is socketed in a right handrail supporting and location pipe, be provided with a locating hole boss in the outer upper of right handrail supporting and location pipe, in described locating hole boss, be connected with right handrail dog screw, described right handrail slip positioning pipe and right handrail supporting and location pipe are by right handrail dog screw alternative interlocking for described circular hole and described locating hole, the lower end of described right handrail supporting and location pipe is hinged by the right-hand member of right handrail the second rotational pin and base crossbeam, forms revolute pair and connects,
Described left handrail is fixedly installed on the carrier being made up of left handrail support bar and left handrail connecting plate, the lower end of described left handrail support bar is hinged by the outside of left handrail the 3rd rotational pin and left support capital end, formation revolute pair connects, the upper end of described left handrail support bar is hinged by the upper end of left handrail the first rotational pin and left handrail slip positioning pipe, formation revolute pair connects, length direction in described left handrail slip positioning pipe outside is provided with row's circular hole, the lower end of described left handrail slip positioning pipe is socketed in a left handrail supporting and location pipe, be provided with a locating hole boss in the outer upper of left handrail supporting and location pipe, in described locating hole boss, be connected with left handrail dog screw, described left handrail slip positioning pipe and left handrail supporting and location pipe are by left handrail dog screw alternative interlocking for described circular hole and described locating hole, the lower end of described left handrail supporting and location pipe is hinged by the left end of left handrail the second rotational pin and base crossbeam, forms revolute pair and connects.
Further, the outer end of the affixed feet of described and underframe sill is provided with roller devices.
Further, described roller devices is provided with brake structure.
Further, described each slip positioning pipe, supporting and location pipe are the structural member that pipe thickness equals to be greater than 5mm.
Further, the aperture of described each locating hole and described each circular hole in a row is 10mm.
Further, the aperture of described each locating hole is 10mm, has attacked screw thread at the inwall place of each locating hole, has attacked screw thread at the outer wall place of described each dog screw, described each dog screw is connected by helicitic texture with described each locating hole, and the aperture of described each circular hole in a row equals to be greater than 10mm.
Further, the side between the side between described backrest and right handrail and described backrest and left handrail is provided with Flexible Connector, and described Flexible Connector is spring or rubber band structural member.
Further, described sofa seat 2 is seat surface double or that three people are wide.
Further, left handrail the 3rd rotational pin of outer end, described left support column top and right handrail the 3rd rotational pin of outer end, right support column top are provided with level latch-up structure.
The good effect of a kind of Variable sofa that can regulate on four sides of the present invention is:
(1) angle of sofa seat of the present invention, backrest, left handrail or right handrail all can independently regulate, make the angle of four faces of sofa and highly can regulate arbitrarily within the specific limits and be fixed on a certain position, make sofa can adapt to the needs of the multiple posture rest of user and can effectively hold people's health, protect people's vertebra, meet to greatest extent user's enjoyment demand; In addition, also can play certain protective effect to the children that play on sofa.
(2) the present invention swings cranking block mechanism by the combination of slip positioning pipe, supporting and location pipe and base being combined into one, and using this mechanism as sofa seat, backrest, left handrail or right handrail supports and the mechanism of angular adjustment, utilize multiple revolute pairs to connect the angle of four faces of sofa and the adjusting of height, it is lower pair that this class formation has kinematic pair, each portion Contact is face contact, component parts is simple in structure, easy to process, the reliable advantage of structure motion.
(3) the present invention combines by swinging cranking block mechanism rational deployment by four groups, makes its adjustment that can control four faces of sofa, and the layout combination of this structure is rationally succinct, is one of core content of the present invention.
(4) added after roller devices, the fixing Variable sofa that can regulate on four sides that maybe can conveniently move can be provided, in sofa product, increased a kind of sofa style of novelty, can meet better social needs.
Brief description of the drawings
Fig. 1 is the structural representation of a kind of Variable sofa that can regulate on four sides of the present invention.
Fig. 2 is the structural representation of a kind of Variable sofa supporting and positioning mechanism that can regulate on four sides of the present invention.
Fig. 3 is the structural representation after a kind of Variable sofa sofa seat that can regulate on four sides of the present invention regulates.
Fig. 4 is the structural representation after a kind of Variable sofa four sides that can regulate on four sides of the present invention regulates.
Label in figure is respectively:
1, base; 101, base crossbeam; 102, feet; 103, left support post;
104, right support post; 105, rear support pin; 106, rear support post;
2, sofa seat; 201, sofa seat back shaft; 202, sofa seat connecting plate; 203, sofa seat the first rotational pin;
204, sofa seat slip positioning pipe; 205, sofa seat supporting and location pipe; 206, sofa seat dog screw;
207, sofa seat the second rotational pin; 208, sofa seat the 3rd rotational pin;
3, right handrail; 301, right handrail support bar; 302, right handrail connecting plate; 303, right handrail the first rotational pin;
304, right handrail slip positioning pipe; 305, right handrail supporting and location pipe; 306, right handrail dog screw;
307, right handrail the second rotational pin; 308, right handrail the 3rd rotational pin;
4, backrest; 401, backrest support rods; 402, backrest connecting plate; 403, backrest the first rotational pin;
404, backrest slip positioning pipe; 405, back rest supports positioning pipe; 406, backrest dog screw;
407, backrest the second rotational pin; 408, backrest the 3rd rotational pin;
5, left handrail; 501, left handrail support bar; 502, left handrail connecting plate; 503, left handrail the first rotational pin;
504, left handrail slip positioning pipe; 505, left handrail supporting and location pipe; 506, left handrail dog screw;
507, left handrail the second rotational pin; 508, left handrail the 3rd rotational pin.
Detailed description of the invention
Provide the detailed description of the invention of a kind of Variable sofa that can regulate of the present invention on four sides below in conjunction with accompanying drawing, still, enforcement of the present invention is not limited to following embodiment.
Referring to Fig. 1 and Fig. 2.The Variable sofa that can regulate on four sides, contains base 1, sofa seat 2, right handrail 3, backrest 4 and left handrail 5.Related sofa seat 2, right handrail 3, backrest 4 and left handrail 5 structural members own of the present invention can adopt prior art manufacture or adopt existing parts.Innovation part of the present invention is mainly the syndeton of being shown by Fig. 2 and swings cranking block mechanism.
Described base 1 comprises base crossbeam 101, feet 102, left support post 103, right support post 104, rear support pin 105 and rear support post 106, can adopt timber or rigidity aluminium alloy pipe equal strength better, the material manufacture of lighter weight.Described base crossbeam 101 and feet 102 form sofa ground structure (in enforcement, can roller devices be set in the outer end of described four feets 103, the roller devices of employing should be provided with brake structure, is convenient to movement, braking and the carrying of sofa).The right and left affixed left support post 103 and right support post 104 longitudinally, that be inverted L-shaped structure on base crossbeam 101 courts, at the base crossbeam 101 affixed rear support pin 105 in centre of one side backwards, be fixedly connected with longitudinal rear support post 106 in the rear portion of one side upward at rear support pin 105.The two ends, left and right of described base crossbeam 101 and rear support pin 105 rear and front ends, described left support post 103 and the outer end, top of right support post 104 and the two ends, top of rear support post 106 are syndeton end; Can be used for the connection of rotational pin structure.
By sofa seat 2 be fixedly installed on be cross connect sofa seat back shaft 201 and sofa seat connecting plate 202 on (referring to Fig. 2), the rear end of described sofa seat back shaft 201 is hinged with a side on rear support post 106 tops by sofa seat the 3rd rotational pin 208, forms revolute pair and connects; The front end of described sofa seat back shaft 201 is hinged with the upper end of sofa seat slip positioning pipe 204 by sofa seat the first rotational pin 203, forms revolute pair and connects; Length direction in described sofa seat slip positioning pipe 204 outsides is provided with row's circular hole, the lower end of described sofa seat slip positioning pipe 204 is socketed in a sofa seat supporting and location pipe 205, in the outer upper of sofa seat supporting and location pipe 205, a locating hole boss is set, in described locating hole boss, connects a sofa seat dog screw 206.Described sofa seat slip positioning pipe 204 passes through described circular hole and described locating hole sofa seat dog screw 206 alternative interlockings with sofa seat supporting and location pipe 205.The lower end of described sofa seat supporting and location pipe 205 is hinged with the front end of rear support pin 105 by sofa seat the second rotational pin 207, forms revolute pair and connects; , the adjustment of described sofa seat 2 height and angle completes (referring to Fig. 3 and 4) by three revolute pair syndetons.Described sofa seat 2 can be made seat surface double or that three people are wide.Consider from the angle of result of use or area occupied, adopt the double wide seat surface effect can be better.The both sides of sofa seat 2 lower ends can be shelved on the inboard, top (referring to Fig. 1) of described left support post 103 and right support post 104 in usual situation.
Backrest 4 is fixedly installed on the carrier being made up of backrest support rods 401 and backrest connecting plate 402: first at least two backrest connecting plates 402 are fixed on backrest 4 after, then, affixed backrest support rods 401 again on backrest connecting plate 402, makes backrest support rods 401 and backrest connecting plate 402 be combined into an entirety with backrest 4.Then, the lower end of described backrest support rods 401 is hinged with the opposite side on rear support post 106 tops by backrest the 3rd rotational pin 408, form revolute pair and connect; The upper end of described backrest support rods 401 is hinged with the upper end of backrest slip positioning pipe 404 by backrest the first rotational pin 403, forms revolute pair and connects; Length direction in described backrest slip positioning pipe 404 outsides is provided with row's circular hole, the lower end of described backrest slip positioning pipe 404 is socketed in a back rest supports positioning pipe 405, in the outer upper of back rest supports positioning pipe 405, a locating hole boss is set, in described locating hole boss, connects a backrest dog screw 406.Described backrest slip positioning pipe 404 passes through described circular hole and described locating hole backrest dog screw 406 alternative interlockings with back rest supports positioning pipe 405.The lower end of described back rest supports positioning pipe 405 is hinged with the rear end of rear support pin 105 by backrest the second rotational pin 407, forms revolute pair and connects; , the adjustment of described backrest 4 height and angle also completes by three revolute pair syndetons.
Right handrail 3 is fixedly installed on the carrier being made up of right handrail support bar 301 and right handrail connecting plate 302: first at least two right handrail connecting plates 302 are fixed on right handrail 3 after, then, affixed right handrail support bar 301 again on right handrail connecting plate 302, makes right handrail support bar 301 and right handrail connecting plate 302 be combined into an entirety with backrest 4.Then, the lower end of described right handrail support bar 301 is hinged with the outside on right support post 104 tops by right handrail the 3rd rotational pin 308, form revolute pair and connect; The upper end of described right handrail support bar 301 is hinged with the upper end of right handrail slip positioning pipe 304 by right handrail the first rotational pin 303, form revolute pair and connect; Length direction in described right handrail slip positioning pipe 304 outsides is provided with row's circular hole, the lower end of described right handrail slip positioning pipe 304 is socketed in a right handrail supporting and location pipe 305, be provided with a locating hole boss in the outer upper of right handrail supporting and location pipe 305, in described locating hole boss, connect a right handrail dog screw 306.Described right handrail slip positioning pipe 304 passes through described circular hole and the alternative interlocking of right handrail dog screw 306 for described locating hole with right handrail supporting and location pipe 305.The lower end of described right handrail supporting and location pipe 305 is hinged with the right-hand member of base crossbeam 101 by right handrail the second rotational pin 307, forms revolute pair and connects; , the adjustment of described right handrail 3 height and angle also completes by three revolute pair syndetons.
The setting of (referring to Fig. 3) described left handrail 5 and syndeton can be carried out with reference to the setting of described right handrail 3 and syndeton.Described left handrail 5 is fixedly installed on the carrier being formed by left handrail support bar 501 and left handrail connecting plate 502, then, the lower end of described left handrail support bar 501 is hinged with the outside on left support post 103 tops by left handrail the 3rd rotational pin 508, form revolute pair and connect; The upper end of described left handrail support bar 501 is hinged with the upper end of left handrail slip positioning pipe 504 by left handrail the first rotational pin 503, form revolute pair and connect; Length direction in described left handrail slip positioning pipe 504 outsides is provided with row's circular hole, the lower end of described left handrail slip positioning pipe 504 is socketed in a left handrail supporting and location pipe 505, be provided with a locating hole boss in the outer upper of left handrail supporting and location pipe 505, in described locating hole boss, connect a left handrail dog screw 506.Described left handrail slip positioning pipe 504 passes through described circular hole and the alternative interlocking of left handrail dog screw 506 for described locating hole with left handrail supporting and location pipe 505.The lower end of described left handrail supporting and location pipe 505 is hinged with the left end of base crossbeam 101 by left handrail the second rotational pin 507, forms revolute pair and connects; , the adjustment of described left handrail 5 height and angle also completes by three revolute pair syndetons.
In enforcement, it should be noted that above-mentioned each slip positioning pipe, each supporting and location pipe adopt pipe thickness to equal to be greater than the structural member of 5mm.The socket gap of each slip positioning pipe and each supporting and location pipe should be less than or equal to 3mm, can produce rocking by a relatively large margin to avoid being socketed rear primary structural component, makes people produce sense of discomfort.
The aperture of described each locating hole and described each circular hole in a row is 10mm.In enforcement, can be 10mm by the aperture design of described each locating hole, by the aperture design of described each circular hole in a row for equaling to be greater than 10mm; Inwall place at each locating hole arranges screw thread, outer wall place at each dog screw arranges screw thread, described each dog screw is connected by helicitic texture with described each locating hole, and described each dog screw can embed in a hole in circular hole in a row by described each locating hole, plays spacing effect.
(referring to accompanying drawing 4) should be noted in implementing, need on right handrail the 3rd rotational pin 308 of left handrail the 3rd rotational pin 508 of described left support post 103 outer ends, top and right support post 104 outer ends, top, level latch-up structure be set, to ensure carrying out the locking of level in the time that the right handrail 3 of sofa and left handrail 5 are horizontal, ensure that sofa of the present invention can be used as simple and easy single bed use.
If need, can Flexible Connector be set the side between the side between described backrest 4 and right handrail 3 and described backrest 4 and left handrail 5, to bear certain connection or protective effect.Described Flexible Connector can adopt spring or rubber band structural member.
A kind of Variable sofa that can regulate on four sides of the present invention is in the time that needs regulate, user's certain distance of the dog screw relating to first can being back-outed makes it to depart from circular hole, make the slip positioning pipe relating to lift restrictions and can in the supporting and location pipe relating to, move arbitrarily, when connecting by revolute pair when sofa seat 2 or backrest 4 or right handrail 3 or left handrail 5 are adjusted to desired location, lock again the link position of the slip positioning pipe relating to and the supporting and location pipe relating to by the locating hole that relates to and circular hole with the dog screw that relates to, tighten the dog screw relating to and get final product (referring to accompanying drawing 4).
When the sofa seat 2 of sofa is in level, backrest 4 and right handrail 3, left handrail 5 are in the time of plumbness, and the present invention can meet the instructions for use of general sitting posture.
When the right handrail 3 of sofa, left handrail 5(are by level latch-up structure) while being horizontal, the present invention can be used as easy single bed and uses.
In the time that four faces (sofa seat 2, backrest 4, right handrail 3 and left handrail 5) of sofa are horizontal, the present invention can be used as larger bed and uses.
When the right handrail 3 of sofa, left handrail 5 are in the time that other are arbitrarily angled, the present invention can meet the instructions for use of the postures such as user lies on one's side.
When the backrest 4 of sofa is in the time that other are arbitrarily angled, the present invention can meet the instructions for use of the postures such as user's semi-lying.
When sofa seat 2 front ends are in the time steeving angle, the present invention can meet user and lie on one's side and watch the demand of the postures such as TV, and can play certain protective effect to the children that play on sofa.
In addition, user can be adjusted to voluntarily individual by four faces of the present invention (sofa seat 2, backrest 4, right handrail 3 and left handrail 5) and feel that the most comfortable angle is used, because utilizing multiple revolute pairs, the present invention connects the adjusting of sofa primary structural component angle and height, operation is dexterous convenient, structure motion is reliable, so whole adjustment process is very easy to, and simple and convenient.
Claims (1)
1. the Variable sofa that can regulate on four sides, contain base (1), sofa seat (2), right handrail (3), backrest (4) and left handrail (5), it is characterized in that, described base (1) comprises base crossbeam (101), feet (102), left support post (103), right support post (104), rear support pin (105) and rear support post (106), described base crossbeam (101) and feet (102) form sofa ground structure, base crossbeam (101) towards above the right and left affixed longitudinal, be left support post (103) and the right support post (104) of inverted L-shaped structure, at the affixed rear support pin in centre (105) of the facing backwards of base crossbeam (101), the affixed longitudinal rear support post (106) in rear portion on rear support pin (105) court, the outer end, top of the two ends, left and right of described base crossbeam (101) and rear support pin (105) rear and front end, described left support post (103) and right support post (104) and the two ends, top of rear support post (106) are syndeton end,
Described sofa seat (2) is fixedly installed on the sofa seat back shaft (201) and sofa seat connecting plate (202) that is cross connection, the rear end of described sofa seat back shaft (201) is hinged with a side on rear support post (106) top by sofa seat the 3rd rotational pin (208), formation revolute pair connects, the front end of described sofa seat back shaft (201) is hinged with the upper end of sofa seat slip positioning pipe (204) by sofa seat the first rotational pin (203), formation revolute pair connects, length direction in described sofa seat slip positioning pipe (204) outside is provided with row's circular hole, the lower end of described sofa seat slip positioning pipe (204) is socketed in a sofa seat supporting and location pipe (205), be provided with a locating hole boss in the outer upper of sofa seat supporting and location pipe (205), in described locating hole boss, be connected with sofa seat dog screw (206), described sofa seat slip positioning pipe (204) passes through described circular hole and the alternative interlocking of described locating hole sofa seat dog screw (206) with sofa seat supporting and location pipe (205), the lower end of described sofa seat supporting and location pipe (205) is hinged with the front end of rear support pin (105) by sofa seat the second rotational pin (207), formation revolute pair connects, and the both sides of described sofa seat (2) lower end can be shelved on the inboard, top of described left support post (103) and right support post (104),
Described backrest (4) is fixedly installed on the carrier being made up of backrest support rods (401) and backrest connecting plate (402), the lower end of described backrest support rods (401) is hinged with the opposite side on rear support post (106) top by backrest the 3rd rotational pin (408), formation revolute pair connects, the upper end of described backrest support rods (401) is hinged with the upper end of backrest slip positioning pipe (404) by backrest the first rotational pin (403), formation revolute pair connects, length direction in described backrest slip positioning pipe (404) outside is provided with row's circular hole, the lower end of described backrest slip positioning pipe (404) is socketed in a back rest supports positioning pipe (405), be provided with a locating hole boss in the outer upper of back rest supports positioning pipe (405), in described locating hole boss, be connected with backrest dog screw (406), described backrest slip positioning pipe (404) passes through described circular hole and the alternative interlocking of described locating hole backrest dog screw (406) with back rest supports positioning pipe (405), the lower end of described back rest supports positioning pipe (405) is hinged with the rear end of rear support pin (105) by backrest the second rotational pin (407), forms revolute pair and connects,
Described right handrail (3) is fixedly installed on the carrier being made up of right handrail support bar (301) and right handrail connecting plate (302), the lower end of described right handrail support bar (301) is hinged with the outside on right support post (104) top by right handrail the 3rd rotational pin (308), formation revolute pair connects, the upper end of described right handrail support bar (301) is hinged with the upper end of right handrail slip positioning pipe (304) by right handrail the first rotational pin (303), formation revolute pair connects, length direction in described right handrail slip positioning pipe (304) outside is provided with row's circular hole, the lower end of described right handrail slip positioning pipe (304) is socketed in a right handrail supporting and location pipe (305), be provided with a locating hole boss in the outer upper of right handrail supporting and location pipe (305), in described locating hole boss, be connected with right handrail dog screw (306), described right handrail slip positioning pipe (304) passes through described circular hole and the alternative interlocking of right handrail dog screw (306) for described locating hole with right handrail supporting and location pipe (305), the lower end of described right handrail supporting and location pipe (305) is hinged with the right-hand member of base crossbeam (101) by right handrail the second rotational pin (307), forms revolute pair and connects,
Described left handrail (5) is fixedly installed on the carrier being made up of left handrail support bar (501) and left handrail connecting plate (502), the lower end of described left handrail support bar (501) is hinged with the outside on left support post (103) top by left handrail the 3rd rotational pin (508), formation revolute pair connects, the upper end of described left handrail support bar (501) is hinged with the upper end of left handrail slip positioning pipe (504) by left handrail the first rotational pin (503), formation revolute pair connects, length direction in described left handrail slip positioning pipe (504) outside is provided with row's circular hole, the lower end of described left handrail slip positioning pipe (504) is socketed in a left handrail supporting and location pipe (505), be provided with a locating hole boss in the outer upper of left handrail supporting and location pipe (505), in described locating hole boss, be connected with left handrail dog screw (506), described left handrail slip positioning pipe (504) passes through described circular hole and the alternative interlocking of left handrail dog screw (506) for described locating hole with left handrail supporting and location pipe (505), the lower end of described left handrail supporting and location pipe (505) is hinged with the left end of base crossbeam (101) by left handrail the second rotational pin (507), forms revolute pair and connects.
2. a kind of Variable sofa that can regulate on four sides according to claim 1, is characterized in that, the outer end of the affixed feet (102) of described and base crossbeam (101) is provided with roller devices.
3. a kind of Variable sofa that can regulate on four sides according to claim 2, is characterized in that, described roller devices is provided with brake structure.
4. a kind of Variable sofa that can regulate on four sides according to claim 1 and 2, is characterized in that, described each slip positioning pipe, supporting and location pipe are the structural member that pipe thickness equals to be greater than 5mm.
5. a kind of Variable sofa that can regulate on four sides according to claim 1 and 2, is characterized in that, the aperture of described each locating hole and described each circular hole in a row is 10mm.
6. a kind of Variable sofa that can regulate on four sides according to claim 1 and 2, it is characterized in that, the aperture of described each locating hole is 10mm, inwall place at each locating hole has attacked screw thread, outer wall place at described each dog screw has attacked screw thread, described each dog screw is connected by helicitic texture with described each locating hole, and the aperture of described each circular hole in a row equals to be greater than 10mm.
7. a kind of Variable sofa that can regulate on four sides according to claim 1 and 2, it is characterized in that, side between the side between described backrest (4) and right handrail (3) and described backrest (4) and left handrail (5) is provided with Flexible Connector, and described Flexible Connector is spring or rubber band structural member.
8. a kind of Variable sofa that can regulate on four sides according to claim 1 and 2, is characterized in that, described sofa seat (2) is seat surface double or that three people are wide.
9. a kind of Variable sofa that can regulate on four sides according to claim 1 and 2, it is characterized in that, left handrail the 3rd rotational pin (508) of described left support post (103) outer end, top and right handrail the 3rd rotational pin (308) of right support post (104) outer end, top are provided with level latch-up structure.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210403094.8A CN102894711B (en) | 2012-10-22 | 2012-10-22 | Four-side adjustable convertible sofa |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210403094.8A CN102894711B (en) | 2012-10-22 | 2012-10-22 | Four-side adjustable convertible sofa |
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| CN102894711A CN102894711A (en) | 2013-01-30 |
| CN102894711B true CN102894711B (en) | 2014-10-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210403094.8A Expired - Fee Related CN102894711B (en) | 2012-10-22 | 2012-10-22 | Four-side adjustable convertible sofa |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103799752B (en) * | 2014-01-15 | 2016-08-17 | 厦门新技术集成有限公司 | A kind of Foldable soft-bed |
| CN105815960A (en) * | 2016-06-02 | 2016-08-03 | 海宁海派家具有限公司 | Comfortable manual adjusting sofa |
| CN106667121B (en) * | 2017-02-28 | 2023-01-10 | 青岛大学 | Multifunctional sofa bed |
| CN107594988A (en) * | 2017-11-04 | 2018-01-19 | 江苏鑫欧越然家具有限公司 | A kind of two-berth can accommodation sofa |
| CN107960780B (en) * | 2017-12-11 | 2023-06-27 | 宁波大学科学技术学院 | Multi-connecting rod type adjustable sofa bed |
| CN108272270B (en) * | 2018-01-19 | 2023-06-27 | 宁波大学科学技术学院 | Multi-connecting rod angle adjusting sofa bed |
| CN109645742A (en) * | 2018-12-25 | 2019-04-19 | 昆山艾贝思凯家居有限公司 | A kind of Multifunctional combined sofa |
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| US4258445A (en) * | 1976-07-15 | 1981-03-31 | Zur Henry C | Beds and adjustable body supporting assemblies |
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| WO2005087052A1 (en) * | 2004-03-18 | 2005-09-22 | Gruppo Industriale Styling | Sofa-bed with innovative elements for assembly and position adjustment |
| CN201213612Y (en) * | 2008-07-02 | 2009-04-01 | 王会阳 | Leisure sofa |
| CN201591326U (en) * | 2009-12-02 | 2010-09-29 | 成都大学 | Leg-less foldable multifunctional bed chair |
| CN202035796U (en) * | 2011-05-20 | 2011-11-16 | 浙江金贸竹木家具有限公司 | Adjustable sofa |
| CN202375576U (en) * | 2011-12-13 | 2012-08-15 | 诸岗彪 | Lifting chair |
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|---|---|---|---|---|
| US3872523A (en) * | 1973-05-04 | 1975-03-25 | Larry R Garza | Sofa bed |
| US4258445A (en) * | 1976-07-15 | 1981-03-31 | Zur Henry C | Beds and adjustable body supporting assemblies |
| CN2151738Y (en) * | 1992-11-11 | 1994-01-05 | 甘联友 | Lifting folding dental portable chair |
| WO2005087052A1 (en) * | 2004-03-18 | 2005-09-22 | Gruppo Industriale Styling | Sofa-bed with innovative elements for assembly and position adjustment |
| CN201213612Y (en) * | 2008-07-02 | 2009-04-01 | 王会阳 | Leisure sofa |
| CN201591326U (en) * | 2009-12-02 | 2010-09-29 | 成都大学 | Leg-less foldable multifunctional bed chair |
| CN202035796U (en) * | 2011-05-20 | 2011-11-16 | 浙江金贸竹木家具有限公司 | Adjustable sofa |
| CN202375576U (en) * | 2011-12-13 | 2012-08-15 | 诸岗彪 | Lifting chair |
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| CN102894711A (en) | 2013-01-30 |
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