CN2207121Y

CN2207121Y - Multifunctional sofa base frame

Info

Publication number: CN2207121Y
Application number: CN 94222406
Authority: CN
Inventors: 关铁铮
Original assignee: Individual
Current assignee: Individual
Priority date: 1994-09-29
Filing date: 1994-09-29
Publication date: 1995-09-13
Anticipated expiration: 2004-09-29

Abstract

The utility model discloses a multifunctional sofa bottom frame, which is composed of a receiving-releasing mechanism, a rocking mechanism and a rotary mechanism. The receiving-releasing mechanism is a hinge link mechanism, and the receiving-releasing mechanism is composed of a seat back part and a foot-rest plate part; the expansion and the shrinkage of the receiving-releasing mechanism can be adjusted through a handle. The rocking mechanism is composed of a wooden frame structure and a tension spring. The rotary mechanism is composed of balls, an upper tray and a lower tray; the upper tray and the lower tray are used for limiting the roll of the balls. The multifunctional sofa bottom frame has the functions of sitting, lying, rocking, rotation, etc.; each functional component can move freely, and the utility model is convenient in use.

Description

Multifunctional sofa base frame

The utility model relates to the thing to sit in the daily living article, specifically a kind of sofa underframe that multiple regulatory function is arranged.

Sofa has become a kind of comfortable thing to sit on that generally uses, and people make leg, waist and neck be had a rest fully in order to be sitting on the sofa, at present, designs the sofa underframe with regulatory function.Notification number is CN2078567, name is called the Chinese patent of " multifunction sofa ", has proposed a kind ofly to adjust the angle of backrest and the sofa underframe of foot-rest plate height by handle, drives the folding and unfolding of foot-rest plate and the rotation of backrest respectively by two four-bar linkages, have and sit the advantage such as comfortable of lying, its weak point is: rocking bar is few, and length is long, and is easily loosening, in addition, the function of this underframe is few, and foot-rest plate and backrest be deployable, pack up, lock, but can not shake and rotate.

The purpose of this utility model is to provide a kind of and can regulates the expansion of foot-rest plate and backrest and pack up, also the multifunction sofa underframe that can horizontally rotate and/or rock back and forth.

For reaching this purpose, multifunction sofa underframe of the present utility model is made up of jack, rotating mechanism and/or head motion.Jack is a hinge link mechanism, it is made up of by part and foot-rest plate portion seat, the angle that can lean on by the handle adjustment seat and the height of foot-rest plate, head motion is made up of yoke structure and the extension spring that can shake, rotating mechanism is made up of the upper and lower square plate of ball and its rolling of qualification, and head motion and rotating mechanism can rock back and forth and horizontally rotate respectively under external force.

Fig. 1 is the utility model multifunction sofa underframe jack structural representation.

Fig. 2 is a jack deployed condition schematic diagram shown in Figure 1.

Fig. 3 is that the backrest of jack deployed condition shown in Figure 2 is subjected to full expand view after the external force.

Fig. 4 is a jack collapsed state schematic diagram shown in Figure 1.

Fig. 5 is head motion and the rotating mechanism front elevational schematic of the utility model multifunction sofa underframe first embodiment.

Fig. 6 is the head motion front elevational schematic of the utility model multifunction sofa underframe second embodiment.

Fig. 7 packs up the shape schematic diagram with the sofa profile that the utility model multifunction sofa underframe is made.

Fig. 8 launches the shape schematic diagram with the sofa profile that the utility model multifunction sofa underframe is made.

Below in conjunction with drawings and Examples the utility model is further described:

The utility model multifunction sofa underframe first embodiment is by jack, rotating mechanism and head motion are formed, its jack as shown in Figure 1, jack is a steel frame construction, its seat is by bar 1 by part, bar 2, bar 3, bar 4, bar 5, bar 6, bar 7, bar 8, bar 9, bar 10, bar 11, the hinge linkage mechanism that bar 12 and extension spring 22 constitute, bar 2, one end of bar 3 respectively with occipitalia bar 1 on two point articulated, one point articulated on the other end of bar 2 and the bar 4, bar 4 two ends respectively with bar 7 on a bit, one is point articulated on the bar 3, one point articulated a bit and on the bar 5 on the bar 4, two ends are hinged with bar 6 one ends and bar 8 one ends respectively on the bar 5, the other end of bar 6 and bar 10 1 ends are hinged, the bottom of the other end of bar 8 and bar 12, bar 9 one ends are hinged, the top of bar 12 and rotating shaft 42 are connected, bar 11 two ends respectively with bar 7 on a bit, one is point articulated on the bar 3, have two holes 24 on the bar 10,25, the two ends of extension spring 22 respectively with bar 7 on a bit, a bit connect on the bar 10, the foot-rest plate portion of jack is by bar 14, bar 15, bar 16, bar 17, bar 18, bar 19, bar 20, the hinged link mechanism that foot-rest plate 21 and extension spring 23 constitute, the other end of bar 10 and bar 14 1 ends, the other end of bar 7 is hinged, have bar-shaped trough 41 on the bar 14, bar-shaped trough 41 on the other end of bar 9 and the bar 14 is hinged, can in bar-shaped trough 41, slide, bar 15 two ends respectively with bar 3 on a bit, bar 16 1 ends are hinged, one point articulated a bit and on the bar 17 on the bar 16, bar 17 two ends respectively with the other end of bar 3, bar 18 1 ends are hinged, one point articulated a bit and on the bar 19 on the bar 18, bar 19 two ends respectively with the other end of bar 16, one end of bar 20 is hinged, the other end of bar 18, the other end of bar 20 respectively with foot-rest plate 21 on two point articulated, the two ends of extension spring 23 respectively with bar 3 on a bit, a bit connect on the bar 9, handle 13 1 ends are socketed in the rotating shaft 42, can drive rotating shaft 42 and rotate.

Jack of the present utility model in use, at first, to counter-clockwise direction turning handle 13, drive bar 8 by bar 12, bar 9 moves to the front lower place, bar 8 drives bar 5 inhours and rotates, after forwarding certain angle to, bar 7, bar 4, bar 3, bar 2 and bar 1 are in relaxation state, so, by bar 1, the backrest that bar 2 and bar 3 constitute is angled to layback, when handle 13 counterclockwise rotations during to extreme position, the elevation angle is the elevation angle, maximum back under this situation behind the backrest, the 9 drive bars 14 of bar that move simultaneously with bar 8, bar 15 travels forward, thereby drives bar 16, bar 17, bar 18, bar 19 and bar 20 move to deployed condition, foot-rest plate 21 is rotated to horizontal direction, when handle 13 counterclockwise rotations during to extreme position, bar 17 and bar 18, bar 16 and bar 19, bar 19 and bar 20 are all almost in alignment, the approximate level that is in of foot-rest plate, the seat of jack is in deployed condition by part and foot-rest plate portion, as shown in Figure 2.If at this moment backrest is subjected to the effect of external force F, promptly when the power of lying is added on backrest behind the human body, as shown in Figure 3, bar 1 moves to the back lower place, driving bar 2, bar 3, bar 4, bar 5, bar 6, bar 7, bar 8, bar 9, bar 15, bar 16, bar 17, bar 18, bar 19, bar 20 and foot-rest plate 21 integral body moves to the front upper place, the elevation angle is strengthened behind the backrest, 21 liters of De Genggao of foot-rest plate, when an end of bar 9 when an end of bar 14 bar-shaped troughs 41 slides to the other end, foot-rest plate portion and seat all are in maximum deployed condition by part, make human body be approximated to horizontal rest.In fact, in the jack expansion process, when handle 13 inhours are rotated certain angle, drive bar 12, make it pass through " dead point ", under the effect of extension spring 22, seat just can launch automatically by part and foot-rest plate portion, needn't exert oneself just can forward handle 13 to extreme position.In the time of need packing up, clockwise rotate handle 13, drive bar 8, bar 9 to back lower place motion by bar 12, just the opposite with expansion process, each bar is driven successively, seat is packed up by part and foot-rest plate portion, when handle 13 forwarded extreme position to clockwise, jack was in whole collapsed state, and extension spring 23 makes the foot-rest plate portion of packing up can receive extreme position, and receive firmly, as shown in Figure 4.In fact, pack up in the process, impose to posteroinferior power for the foot-rest plate, can make jack become collapsed state by pin at jack.

The head motion of the utility model first embodiment and rotating mechanism are as shown in Figure 5, its head motion is by cambered surface yoke 30, horizontal yoke 31, extension spring 26, extension spring 27, brandreth 28 and brandreth 29 are formed, four terminations of extension spring 26 and extension spring 27 are connected in cambered surface yoke 30 by brandreth 28 and brandreth 29 respectively, the side of horizontal yoke 31, extension spring 26 and extension spring 27 are parallel to the vertical symmetry axis of yoke, symmetric arrays, under the effect of extension spring 26 and extension spring 27, horizontal yoke 31 is implemented to shake the cambered surface summit that basal plane cambered surface yoke 30 is provided for cambered surface yoke 30 and is close on the plane of horizontal yoke 31, have on the cambered surface yoke 30 with bar 10 on hole 24, the hole of matching in hole 25 38, hole 39, jack and head motion are by hole 24 and hole 39, hole 25 and hole 38 usefulness bolts are connected and couple together.Rotating mechanism is made up of ball 32, last square plate 33, following square plate 34 and bolt, last square plate 33 and following square plate 34 are provided with the groove that adapts with ball 32, coil up 33 and following square plate 34 between be pressed with the ball 32 of sufficient amount in the space that constitutes of two corresponding grooves, the axle 35 of last square plate 33 by the middle part is connected with following square plate 34, be connected by bolt 43, bolt 44 and horizontal yoke 31 again, following square plate 34 is connected by bolt 36, bolt 37 and base 40.Head motion of the present utility model in use, drive cambered surface yoke 30 by the bar on the steelframe 10 and apply the power that leans forward, 27 of extension springs are stretched, extension spring 26 is an original state, and cambered surface yoke 30 leans forward behind the certain angle, and the effect that is subjected to extension spring 27 is again to layback, be subjected to the effect of extension spring 26 again, turn forward, so under the extension spring effect, drive the front and back damping of sofa do and shake.Rotating mechanism imposes level to revolving force to sofa in use, because the effect of ball 32, steelframe is by the yoke structure, and last square plate 33 can horizontally rotate motion around axle 35, and square plate 34, base 40 still maintain the original state motionless down.The utility model multifunction sofa underframe can horizontally rotate and rock back and forth, and when deployed condition, can horizontally rotate when collapsed state simultaneously, does not have the function of shaking.

The utility model second embodiment is made up of stow mechanism and head motion, the feature of the architectural feature of its jack and the first embodiment jack is identical, below jack, be provided with head motion, the architectural feature of head motion is identical with the feature of the first embodiment head motion, as shown in Figure 6, distinguishing the horizontal yoke 31 that only is this head motion and both implement to have shaken basal plane is provided for cambered surface yoke 30, is again sofa base.

Fig. 7 and Fig. 8 illustrate the sofa profile of utilizing the utility model multifunction sofa underframe to be made into, and Fig. 7 is a profile schematic diagram of packing up shape, and Fig. 8 is for launching the profile schematic diagram of shape.

Compared with prior art, the advantage of the utility model multifunction sofa underframe is: (1) function is many, not only can launch as required and pack up, and also can left and rightly horizontally rotate freely, rocks back and forth, and human body is fully had a rest; (2) pack up convenience, laborsaving, only need during expansion handle 13 is turned to certain angle, steelframe can launch automatically, when packing up, gives the foot-rest plate with downward rear power with pin, and it is packed up; When (3) packing up, under the effect of extension spring 23, make the foot-rest plate portion receive firmly, thereby whole mechanism is tightened together, profile is good.

Claims

1, a kind of multifunction sofa underframe comprises the jack that is made of hinge linkage mechanism, and jack is a steel frame construction, it is characterized in that:

(a) described jack is made up of by part and foot-rest plate portion seat, seat leans on part by bar (1), bar (2), bar (3), bar (4), bar (5), bar (6), bar (7), bar (8), bar (9), bar (10), bar (11), bar (12) and extension spring (22) constitute, bar (2), one end of bar (3) is point articulated with occipitalia bar (1) last two respectively, one point articulated on the other end of bar (2) and the bar (4), bar (4) two ends respectively and on the bar (7) a bit, bar (3) last one is point articulated, bar (4) is a bit last and bar (5) last is point articulated, bar (5) go up two ends respectively and bar (6) one ends and bar (8) one ends hinged, the other end of bar (6) and bar (10) one ends are hinged, the bottom of the other end of bar (8) and bar (12), bar (9) one ends are hinged, the top of bar (12) and rotating shaft (42) are connected, bar (11) two ends respectively and on the bar (7) a bit, bar (3) last one is point articulated, have two holes (24) on the bar (10), (25), the two ends of extension spring (22) respectively and on the bar (7) a bit, bar 1 (10) is gone up a bit and is connected, the foot-rest plate portion is by bar (14), bar (15), bar (16), bar (17), bar (18), bar (19), bar (20), foot-rest plate 21 (21) and extension spring (23) constitute, the other end of bar (10) and bar (14) one ends, the other end of bar (7) is hinged, have bar-shaped trough (41) on the bar (14), bar-shaped trough (41) on the other end of bar (9) and the bar (14) is hinged, can in bar-shaped trough (41), slide, bar (15) two ends respectively and on the bar (3) a bit, bar (16) one ends are hinged, bar (16) is a bit last and bar (17) last is point articulated, bar (17) two ends respectively and the other end of bar (3), bar (18) one ends are hinged, bar (18) is a bit last and bar (19) last is point articulated, bar (19) two ends respectively and the other end of bar (16), one end of bar (20) is hinged, the other end of bar (18), the other end of bar (20) is point articulated with foot-rest plate (21) last two respectively, the two ends of extension spring (23) respectively and on the bar (3) a bit, bar (9) is gone up a bit and is connected, and is socketed with in the rotating shaft (42) and can drives the handle (13) that rotating shaft is rotated;

(b) below jack, be provided with head motion, head motion is by cambered surface yoke (30), horizontal yoke (31), extension spring (26), extension spring (27), brandreth (28) and brandreth (29) are formed, four terminations of extension spring (26) and extension spring (27) are connected in cambered surface yoke (30) by brandreth (28) and brandreth (29) respectively, the side of horizontal yoke (31), extension spring (26) and extension spring (27) are parallel to the vertical symmetry axis of yoke, symmetric arrays, under the effect of extension spring (26) and extension spring (27), the cambered surface summit of cambered surface yoke (30) is close to cambered surface yoke (30) and implements to shake on the plane that the horizontal yoke of basal plane (31) is provided, have on the cambered surface yoke (30) with bar (10) on hole (24), the hole of matching in hole (25) (38), hole (39), jack and head motion are by hole (24) and hole (39), hole (25) and hole (38) are connected with bolt and couple together:

(c) below head motion, be provided with rotating mechanism, rotating mechanism is by ball (32), last square plate (33), following square plate (34) and bolt are formed, last square plate (33) and following square plate (34) are provided with the groove that adapts with ball (32), be pressed with the ball (32) of sufficient amount up in the space that two corresponding grooves constitute between dish (33) and the following square plate (34), last square plate (33) is connected with following square plate (34) by the axle (35) at middle part, again by bolt (43), bolt (44) and horizontal yoke (31) are connected, and following square plate (34) is by bolt (36), bolt (37) and base (40) are connected.

2, a kind of multifunction sofa underframe comprises the jack that is made of hinge linkage mechanism, and jack is a steel frame construction, it is characterized in that:

(a) architectural feature of described jack and claim 1(a) feature identical;

(b) below jack, be provided with head motion, head motion is by cambered surface yoke (30), horizontal yoke (31), extension spring (26), extension spring (27), brandreth (28) and brandreth (29) are formed, four terminations of extension spring (26) and extension spring (27) are connected in cambered surface yoke (30) by brandreth (28) and brandreth (29) respectively, the side of horizontal yoke (31), extension spring (26) and extension spring (27) are parallel to the vertical symmetry axis of yoke, symmetric arrays, under the effect of extension spring (26) and extension spring (27), the cambered surface summit of cambered surface yoke (30) is close to implement to shake for cambered surface yoke (30) and provides on basal plane and the plane as the horizontal yoke (31) of sofa base, have on the cambered surface yoke (30) with bar (10) on hole (24), the hole of matching in hole (25) (38), hole (39), jack and head motion are by hole (24) and hole (39), hole (25) and hole (38) are connected with bolt and couple together.