CN213664505U - Quick flattening sofa - Google Patents
Quick flattening sofa Download PDFInfo
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- CN213664505U CN213664505U CN202022586056.3U CN202022586056U CN213664505U CN 213664505 U CN213664505 U CN 213664505U CN 202022586056 U CN202022586056 U CN 202022586056U CN 213664505 U CN213664505 U CN 213664505U
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Abstract
The utility model discloses a fast-flattening sofa, which comprises a bottom support, wherein the bottom support comprises a sofa base and a sofa seat frame, the sofa seat frame is arranged on the sofa base in a sliding manner, the rear part of the sofa base is provided with two sets of backrest connecting rod mechanisms, the two sets of backrest connecting rod mechanisms are arranged just opposite to each other, the two sets of backrest connecting rod mechanisms are connected with the sofa base, the two sets of backrest connecting rod mechanisms are connected with the same sofa backrest, and the lower part of the sofa backrest is connected with the backrest connecting rod mechanisms; when the sofa seat frame slides forwards, the backrest is driven to rotate backwards through the backrest connecting rod mechanism. Adopt the utility model discloses a show the effect and be, through setting up back link mechanism, make sofa seat frame and sofa back linkage, shakeout the sofa fast.
Description
Technical Field
The utility model relates to a furniture, concretely relates to functional sofa.
Background
Functional sofas are increasingly popular with consumers because of their various leisure and body-soothing functions. The existing functional sofa generally has the following functions:
1. a swing chair function, which provides the user with a swing-like function;
2. a leg rest function for selectively supporting the legs of the user by opening or receiving the leg rest;
3. the lying function is that the user can lie on the back by turning the backrest of the sofa.
The functions are combined differently to form sofas with various configurations. And the related technology of the existing functional sofa is relatively mature.
But because the use space of the furniture product is relatively large; and when the existing sofa manufacturers define functional sofas, the sofa manufacturers generally think that the functional sofas should be made to be large so as to form visual impact on consumers and be sold better. Therefore, the integration level of the prior art for various functions of the sofa is not high, and the space utilization rate of the sofa framework structure needs to be improved.
When the functional sofa framework is integrated to a higher degree, on one hand, the combination mode among different functions needs to be adjusted or redesigned; on the other hand, a new design for adaptability to a part of the structural member is required.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a quick flattening formula sofa.
The technical scheme is as follows:
the utility model provides a quick shakeout formula sofa which the key lies in: the sofa backrest comprises a bottom support, wherein the bottom support comprises a sofa base and a sofa seat frame, the sofa seat frame is arranged on the sofa base in a sliding mode, two sets of backrest connecting rod mechanisms are arranged at the rear part of the sofa base and are arranged right opposite to each other, the two sets of backrest connecting rod mechanisms are connected with the sofa base, the two sets of backrest connecting rod mechanisms are connected with the same sofa backrest, and the lower part of the sofa backrest is connected with the backrest connecting rod mechanisms;
when the sofa seat frame slides forwards, the backrest is driven to rotate backwards through the backrest connecting rod mechanism.
The utility model has the advantages that: the sofa seat frame is linked with the sofa backrest through the backrest connecting rod mechanism, so that the sofa is quickly flattened.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the assembled relationship between the sofa base 5 and the sofa frame;
FIG. 3 is an enlarged view of portion f of FIG. 2;
FIG. 4 is a schematic view of the sofa frame at a first viewing angle;
FIG. 5 is a schematic view of a sofa frame at a second viewing angle;
FIG. 6 is an enlarged view of a portion a of FIG. 4;
FIG. 7 is an enlarged view of the portion b of FIG. 4;
FIG. 8 is an enlarged view of the portion c of FIG. 4;
FIG. 9 is an enlarged view of section d of FIG. 5;
FIG. 10 is a schematic view of the docking station 6;
fig. 11 is a view showing the arrangement of the docking mount 6 and the sofa mount 7 on the support strip 51;
FIG. 12 is a schematic view of the lower hitch plate 28 in a first viewing position;
FIG. 13 is a schematic view of the lower hitch plate 28 in a second viewing position;
fig. 14 is a schematic structural view of the hanging plate 28 at the third observation position;
FIG. 15 is a schematic structural view of rear cross tube 15;
fig. 16 is a schematic view of the structure of the lower panel 3 at a first angle;
fig. 17 is a schematic view of the structure of the lower plate 3 at a second angle;
FIG. 18 is a schematic structural view of a two-stage leg rest stretching mechanism;
fig. 19 is a schematic diagram showing the fitting relationship between the primary mount 1a and the secondary mount 1 b.
Detailed Description
The present invention will be further described with reference to the following examples and accompanying drawings.
As shown in fig. 1 to 19, a fast-flattening sofa comprises a bottom support, wherein the bottom support comprises a sofa base 5 and a sofa seat frame, the sofa seat frame is slidably arranged on the sofa base 5, two sets of backrest link mechanisms 4 are arranged at the rear part of the sofa base 5, the two sets of backrest link mechanisms 4 are arranged right opposite to each other, the two sets of backrest link mechanisms 4 are connected with the sofa base 5, the two sets of backrest link mechanisms 4 are connected with a same sofa backrest 9, and the lower part of the sofa backrest 9 is connected with the backrest link mechanisms 4; when the sofa seat frame slides forwards, the sofa backrest 9 is driven to rotate backwards through the backrest connecting rod mechanism 4; a sliding linear motor 56 is arranged between the sofa base 5 and the sofa seat frame, the shell of the sliding linear motor 56 is hinged with the sofa base 5, and the end part of the piston rod of the sliding linear motor 56 is hinged with the sofa seat frame.
The sofa base 5 comprises two parallel support edgings 51 which are arranged oppositely, and the rear parts of the two support edgings 51 are connected through a stable connecting strip 52;
the support edge strip 51 comprises a seat slide rail 51a and a rear extension groove plate 51b, the seat slide rail 51a and the rear extension groove plate 51b are positioned on the same straight line, the seat slide rail 51a comprises an upper slide rail and a lower slide rail which are matched with each other, and the rear end of the lower slide rail is fixedly connected with the front end of the rear extension groove plate 51 b;
the rear extension groove plate 51b is provided with a side groove along the length direction, the opening of the side groove faces upwards, the rear end of the lower sliding rail falls into the side groove, two inner groove walls of the side groove clamp two outer side walls of the lower sliding rail, and the lower sliding rail is connected with the groove bottom of the side groove through a bolt.
Stabilize connecting strip 52 with it is mutually perpendicular to support strake 51 the rear portion of supporting strake 51 corresponds stabilize connecting strip 52 and be equipped with the connecting strip jack, it is specific run through respectively on two cell walls in strake groove the connecting strip jack, the connecting strip jack is close to the rear end of back extension frid 51b, the tip of stabilizing connecting strip 52 is inserted and is established and be corresponded in the connecting strip jack, the connecting strip jack downwardly extending to the tank bottom in strake groove, the height of connecting strip jack equals the thickness of stabilizing connecting strip 52, the width of connecting strip jack equals the width of stabilizing connecting strip 52, the tip of stabilizing connecting strip 52 with support strake 51 fixed connection, it is specific, stabilize connecting strip 52 with the tank bottom fixed connection in strake groove.
The lower surface of the rear extension groove plate 51b is further provided with a swing connecting rod mounting seat 55, the swing connecting rod mounting seat 55 is close to the rear end of the rear extension groove plate 51b, and the swing connecting rod mounting seat 55 is located in front of the connecting strip jack.
The supporting edge strips 51 are provided with at least two butt joint mounting seats 6, each butt joint mounting seat 6 comprises a fixed base 62 and a butt joint clamping plate 63, each fixed base 62 is fixed on the lower surface of the corresponding supporting edge strip 51 and supports the corresponding supporting edge strip, each butt joint clamping plate 63 is vertically arranged, each butt joint clamping plate 63 is positioned on the outer side of the corresponding supporting edge strip 51 and arranged in a suspended mode, the edge of the lower portion of each butt joint clamping plate 63 is turned inwards and fixedly connected with the corresponding fixed base 62, and each butt joint clamping plate 63 is provided with a butt joint bayonet 61; the docking bayonet 61 comprises an oblique section 61a, a vertical section 61b and a flared section 61c, the lower part of the oblique section 61a is communicated with the upper part of the vertical section 61b, the lower part of the vertical section 61b is communicated with the upper part of the flared section 61c, the lower part of the flared section 61c gradually expands outwards and penetrates through the docking snap-gauge 63 downwards, and the oblique directions of the oblique sections 61a of all the docking installation seats 6 are the same.
In a specific embodiment, the seat slide rail 51a and the rear extension groove plate 51b are respectively provided with one docking installation seat 6.
The lower surface of support strake 51 still is equipped with two at least sofa fixing base 7, sofa fixing base 7 is including fixed horizontal bar board 71, and this fixed horizontal bar board 71 level sets up, and this fixed horizontal bar board 71 is located support strake 51's below, the both ends of fixed horizontal bar board 71 are fixed with vertical support slat 72 respectively, the lower extreme of vertical support slat 72 with the end fixed connection that fixed horizontal bar board 71 corresponds, the upper end of vertical support slat 72 with support strake 51's lower fixed surface is connected.
As a specific embodiment, a sofa fixing seat 7 is provided on each of the seat slide 51a and the rear extension groove plate 51 b.
The stable connecting strip 52 comprises a connecting strip body, two lateral edges of the connecting strip body are turned upwards, and the lower surface of the end part of the connecting strip body is attached to the bottom of the strip groove and fixedly connected through a bolt.
The same sofa seat frame is arranged above the two supporting edge strips 51 and fixed on the upper sliding rail.
Specifically, the method comprises the following steps:
the sofa seat frame comprises a seat frame and a secondary leg support stretching and contracting mechanism arranged at the front part of the seat frame, the seat frame comprises a hanging plate 28, a rear transverse pipe 15 and two side plates 3, the two side plates 3 are arranged oppositely, the front parts of the two side plates 3 are fixedly connected through the hanging plate, the rear parts of the two side plates 3 are fixedly connected through the rear transverse pipe 15, and the hanging plate and the rear transverse pipe 15 are arranged oppositely;
the side plates 3 comprise side plate bodies 30, the side plate bodies 30 are in a channel steel shape, the side plate bodies 30 are in a strip shape, openings of the side plate bodies 30 face the inner side of the seat frame, the two side plates 3 correspond to the two support edge strips 51 one by one, and the side plate bodies 30 are fixed with the corresponding upper slide rails of the seat slide rails 51 a; a sliding synchronous rod is further connected between the two side plates 3, two ends of the sliding synchronous rod respectively extend into the corresponding notches of the side plate bodies 30 and are fixedly connected with the groove walls of the side plate bodies, the sliding synchronous rod is positioned in front of the rear transverse tube 15, a shell of the sliding linear motor 56 is hinged with the stable connecting strip 52, and the end part of a piston rod of the sliding linear motor 56 is hinged with the sliding synchronous rod;
a front support piece 31 is arranged at the front end of the sideboard body 30, a rear support piece 33 is arranged at the rear end of the sideboard body 30, a middle support piece 32 is further arranged between the front support piece 31 and the rear support piece 33, the front support piece 31, the middle support piece 32 and the rear support piece 33 are all positioned in a notch of the sideboard body 30, and the front support piece 31, the middle support piece 32 and the rear support piece 33 are respectively and fixedly connected with the inner wall of the sideboard body 30;
both ends of the hitching side surface 20a are attached to and fixedly connected with the outer wall of the front part of the sideboard body 30, and both ends of the rear horizontal tube 15 respectively extend into and are fixedly connected with the rear supporting piece 33;
the front supporting piece 31 is of a U-shaped structure, the front supporting piece 31 comprises a front connecting plate and two front supporting plates, the two front supporting plates are parallel to each other and are arranged oppositely, the front connecting plate is respectively perpendicular to and connected with the two front supporting plates, the opening direction of the front supporting piece 31 is arranged oppositely to the notch of the sideboard body 30, the two front supporting plates are respectively attached to the inner wall of the sideboard body 30, and the front connecting plate is positioned outside the notch of the sideboard body 30;
the middle supporting piece 32 is of a U-shaped structure, the middle supporting piece 32 comprises a middle connecting plate and two middle supporting plates, the two middle supporting plates are parallel to each other and are arranged oppositely, the middle connecting plate is respectively perpendicular to and connected with the two middle supporting plates, the opening direction of the middle supporting piece 32 is arranged oppositely to the notch of the side plate body 30, the two middle supporting plates are respectively attached to the inner groove wall of the middle part of the side plate body 30, and the middle connecting plate is positioned outside the notch of the side plate body 30;
The hanging plate 28 comprises a hanging plate body, the hanging plate body is in a long strip shape, the connecting plate body is horizontally arranged, a bending line is arranged on the hanging plate body along the length direction of the hanging plate body, and the front part of the hanging plate body is bent downwards along the bending line to form an L-shaped structure;
the horizontal side surface of the hanging plate body is a hanging side surface 20a, the vertical side surface of the hanging plate body is a mounting side surface 20b, the middle part of the hanging side surface 20a is obliquely arranged to form a hanging inclined surface, and the lower edge of the hanging inclined surface faces the rear part of the hanging plate body;
the hanging inclined plane is characterized in that the upper surface of the hanging inclined plane is also provided with a plurality of hanging units 21, all the hanging units 21 are uniformly arranged along the length direction of the hanging plate body, each hanging unit 21 comprises a hanging sheet, the hanging sheet is arranged in an arc shape and is buckled on the upper surface of the hanging inclined plane, and a hanging hole is formed between each hanging sheet and the upper surface of the hanging inclined plane;
the upper surface of the rear transverse pipe 15 is also provided with a plurality of hooks, the hooks are uniformly arranged along the length direction of the rear transverse pipe 15, and the hooks are in one-to-one correspondence with and are arranged opposite to the hooking units 21;
the hook comprises a hook plate body 29, one end of the hook plate body 29 is fixed on the upper surface of the rear transverse tube 15, the other end of the hook plate body 29 extends forwards out of the upper surface of the rear transverse tube 15, and the extending end of the hook plate body 29 bends downwards to form an anti-falling inclined surface and then bends upwards to the position above the anti-falling inclined surface.
The two-stage leg support expansion and contraction mechanism comprises two seat frame connecting rod mechanisms and two leg support connecting rod mechanisms, the seat frame connecting rod mechanisms correspond to the leg support connecting rod mechanisms one by one, the seat frame connecting rod mechanisms correspond to the side plates 3 one by one, the seat frame connecting rod mechanisms are hinged to the front parts of the corresponding side plates 3, the leg support connecting rod mechanisms are hinged to the front parts of the corresponding seat frame connecting rod mechanisms, and the leg support connecting rod mechanisms are connected with mounting seats;
the seat frame connecting rod mechanism comprises two root connecting rods 11, wherein one root connecting rod is a first root connecting rod 111, and the other root connecting rod is a second root connecting rod 112;
the leg rest linkage comprises two extension links 18, one of which is a first extension link 181 and the other of which is a second extension link 182;
one end of the first root connecting rod 111 is hinged to the front connecting plate, the other end of the first root connecting rod 111 is hinged to one end of the first extending connecting rod 181, and one end of the first extending connecting rod 181 is hinged to the mounting seat;
one end of the second root link 112 is hinged to the front connection plate, the other end of the second root link 112 is hinged to one end of the second extension link 182, and the other end of the second extension link 182 is hinged to the mounting seat;
the second base link 112 is also hingedly connected to the first extension link 181.
A rocker arm synchronous rod 16 is further arranged between the two side plates 3, two ends of the rocker arm synchronous rod 16 respectively face the two side plates 3, and two ends of the rocker arm synchronous rod 16 are respectively provided with a driving mechanism corresponding to the seat frame connecting rod mechanism;
the driving mechanism comprises a driving connecting rod 12 and a reversing connecting rod 13, the same seat frame connecting rod mechanism is arranged on any one of the root connecting rods 11, the reversing connecting rod 13 is arranged on the corresponding middle connecting plate, one end of the driving connecting rod 12 is hinged to the corresponding middle connecting plate, the other end of the driving connecting rod 12 is hinged to one end of the corresponding reversing connecting rod 13, the other end of the reversing connecting rod 13 is hinged to the middle of the root connecting rod 11, and the hinge point of the driving connecting rod 12 and the side plate 3 is located behind the hinge point of the root connecting rod 11 and the side plate 3.
In order to facilitate the opposite driving, a rocker 14 is further fixed on the driving connecting rod 12, the rocker 14 is vertically arranged, the upper end of the rocker 14 is fixedly connected with the driving connecting rod 12, the rocker 14 is fixed at the end part of the driving connecting rod 12 hinged with the seat frame, and two ends of the rocker synchronizing rod 16 are respectively fixedly connected with the corresponding rocker 14;
the rear transverse pipe 15 is positioned behind the rocker arm synchronous rod 16, a propelling linear motor 17 is connected between the rear transverse pipe 15 and the rocker arm synchronous rod 16, a shell of the propelling linear motor 17 is hinged with the rear transverse pipe 15, and the end part of a piston rod of the propelling linear motor 17 is hinged with the rocker arm synchronous rod 16.
The mount pad includes one-level mount pad 1a and second grade mount pad 1b, and two free ends that stretch out connecting rod 18 are with same one-level mount pad 1a is articulated, the second free end that stretches out connecting rod 182 extends forward and forms a second grade installation department, is equipped with second grade mount pad 1b on this second grade installation department, this second grade mount pad 1b with the second grade installation department is articulated, still is connected with second grade promotion connecting rod 19 on one-level mount pad 1a, this second grade promote connecting rod 19 one end with one-level mount pad 1a is articulated, this second grade promote connecting rod 19's the other end with second grade mount pad 1b is articulated.
The secondary mounting seat 1b is located on the inner side of the primary mounting seat 1a, the secondary mounting seat comprises a secondary extension plate 18a and a secondary hinge plate 18b, the secondary extension plate 18a is perpendicular to the free end of the extending connecting rod 18 and is connected with the free end of the extending connecting rod, and the secondary hinge plate 18b is hinged to the secondary mounting seat 1 b.
The middle part of the second-stage pushing connecting rod 19 is bent, the front part of the second-stage pushing connecting rod 19 leans to the second-stage mounting seat 1b inwards and is hinged with the second-stage mounting seat, and the rear part of the second-stage pushing connecting rod 19 is close to the first-stage mounting seat 1a outwards and is hinged with the first-stage mounting seat.
A primary mounting lug 1c is arranged on the primary mounting seat 1a, and the primary mounting lug 1c extends towards the inner side of the primary mounting seat 1 a; and a second-stage mounting support lug 1d is arranged on the second-stage mounting seat 1b, and the second-stage mounting support lug 1d extends towards the inner side of the second-stage mounting seat 1 b.
The piston rod of the propulsion linear motor 17 extends back and forth to drive the driving connecting rod 12 to rotate forwards and backwards, and then the reversing connecting rod 13 drives the first root connecting rod 111 to rotate, so that the secondary leg support expanding and contracting mechanism is expanded or contracted, and the primary mounting seat 1a and the secondary mounting seat 1b are expanded or contracted.
Further, a first-stage leg support strip plate and a second-stage leg support strip plate (not shown in the figure) are arranged between the two side plates 3, two ends of the first-stage leg support strip plate are respectively fixed on the first-stage mounting support lug 1c, and two ends of the second-stage leg support strip plate are respectively fixed on the second-stage mounting support lug 1 d.
The backrest connecting rod mechanism 4 comprises a submerging connecting rod 41, a swinging connecting rod 42, a stabilizing connecting rod 43 and a backrest connecting rod 44, wherein one end of the submerging connecting rod 41 is hinged with the sofa seat frame, the other end of the submerging connecting rod 41 is hinged with one end of the stabilizing connecting rod 43, the other end of the stabilizing connecting rod 43 is hinged with the middle part of the backrest connecting rod 44, one end of the swinging connecting rod 42 is hinged with the swinging connecting rod mounting seat 55, the other end of the swinging connecting rod 42 is hinged with one end part of the backrest connecting rod 44, the submerging connecting rod 41 is further hinged with the middle part of the swinging connecting rod 42, and the lower part of the sofa backrest 9 is fixedly connected with the free end of the backrest connecting rod 44;
the submerging connecting rod 41 comprises a front submerging section 41a and a rear submerging section 41b, the front submerging section 41a and the rear submerging section 41b are both obliquely arranged, and the included angle between the front submerging section 41a and the horizontal plane is smaller than the included angle between the rear submerging section 41b and the horizontal plane;
the lower end of the front submerging section 41a extends to the front of the sofa base 5, the lower end of the front submerging section 41a is hinged with the sofa base frame, the upper end of the front submerging section 41a is fixedly connected with the lower end of the rear submerging section 41b, the upper end of the rear submerging section 41b extends to the rear of the sofa base 5, the upper end of the rear submerging section 41b is further connected with a submerging tail rod 41c, the front end of the submerging tail rod 41c is fixedly connected with the upper end of the rear submerging section 41b, the rear end of the submerging tail rod 41c is hinged with the end of the stabilizing connecting rod 43, the middle of the submerging tail rod 41c is hinged with the middle of the swinging connecting rod 42, and reinforcing convex strips are arranged on the front submerging section 41a and the rear submerging section 41b along the trend.
Finally, it should be noted that the above description is only a preferred embodiment of the present invention, and those skilled in the art can make various similar representations without departing from the spirit and the scope of the present invention.
Claims (10)
1. The utility model provides a quick shakeout formula sofa which characterized in that: the sofa comprises a bottom support, wherein the bottom support comprises a sofa base (5) and a sofa seat frame, the sofa seat frame is arranged on the sofa base (5) in a sliding manner, two backrest connecting rod mechanisms (4) are arranged at the rear part of the sofa base (5), the two backrest connecting rod mechanisms (4) are arranged right opposite to each other, the two backrest connecting rod mechanisms (4) are connected with the sofa base (5), the two backrest connecting rod mechanisms (4) are connected with the same sofa backrest (9), and the lower part of the sofa backrest (9) is connected with the backrest connecting rod mechanisms (4);
when the sofa seat frame slides forwards, the backrest (9) is driven to rotate backwards through the backrest connecting rod mechanism (4).
2. The quick-laying sofa of claim 1, wherein: backrest link mechanism (4) are including sneaking connecting rod (41), swing connecting rod (42), stabilizing connecting rod (43) and backrest connecting rod (44), wherein the one end of sneaking connecting rod (41) with the sofa seat frame is articulated, the other end of sneaking connecting rod (41) with stabilizing connecting rod (43)'s one end is articulated, stabilizing connecting rod (43)'s the other end with the middle part of backrest connecting rod (44) is articulated, the one end of swing connecting rod (42) with sofa base (5) are articulated, the other end of swing connecting rod (42) with an tip of backrest connecting rod (44) is articulated, sneak connecting rod (41) still with the middle part of swing connecting rod (42) is articulated, the lower part of sofa (9) with the free end fixed connection of backrest connecting rod (44).
3. The quick-flattening sofa of claim 2, wherein: a sliding linear motor (56) is arranged between the sofa base (5) and the sofa seat frame, the shell of the sliding linear motor (56) is hinged with the sofa base (5), and the end part of the piston rod of the sliding linear motor (56) is hinged with the sofa seat frame.
4. The quick-flattening sofa of claim 3, wherein: the sofa base (5) comprises two parallel support edgings (51) which are arranged oppositely, and the rear parts of the two support edgings (51) are connected through a stable connecting strip (52);
the stable connecting strip (52) is perpendicular to the supporting edge strip (51), a connecting strip inserting hole is formed in the rear portion of the supporting edge strip (51) corresponding to the stable connecting strip (52), the end portion of the stable connecting strip (52) is inserted into the corresponding connecting strip inserting hole, and the end portion of the stable connecting strip (52) is fixedly connected with the supporting edge strip (51);
the support edge strip (51) comprises a seat slide rail (51a) and a rear extension groove plate (51b), the seat slide rail (51a) and the rear extension groove plate (51b) are positioned on the same straight line, the seat slide rail (51a) comprises an upper slide rail and a lower slide rail which are matched with each other, and the rear end of the lower slide rail is fixedly connected with the front end of the rear extension groove plate (51 b);
a side strip groove is formed in the rear extension groove plate (51b) along the length direction of the rear extension groove plate, the opening of the side strip groove faces upwards, the rear end of the lower sliding rail falls into the side strip groove, the lower sliding rail is clamped by the inner walls of the two grooves of the side strip groove, and the lower sliding rail is fixed at the bottom of the side strip groove;
the two groove walls of the side groove are respectively penetrated with the connecting bar jacks, the connecting bar jacks downwards extend to the groove bottom of the side groove, the height of the connecting bar jacks is equal to the thickness of the stable connecting bar (52), and the width of the connecting bar jacks is equal to the width of the stable connecting bar (52);
the lower surface of the rear extension groove plate (51b) is also provided with a swinging connecting rod mounting seat (55), the swinging connecting rod mounting seat (55) is close to the rear end of the rear extension groove plate (51b), the swinging connecting rod mounting seat (55) is positioned in front of the connecting strip jack, and the swinging connecting rod (42) is hinged with the swinging connecting rod mounting seat (55);
the stable connecting strip (52) comprises a connecting strip body, two lateral edges of the connecting strip body are turned upwards, and the lower surface of the end part of the connecting strip body is attached to the bottom of the edge strip groove and fixedly connected through a bolt.
5. The quick-flattening sofa of claim 4, wherein: the supporting edge strips (51) are provided with at least two butt joint mounting seats (6), each butt joint mounting seat (6) comprises a fixed base (62) and a butt joint clamping plate (63), each fixed base (62) is fixed on the lower surface of the corresponding supporting edge strip (51) and plays a supporting role, each butt joint clamping plate (63) is vertically arranged, each butt joint clamping plate (63) is positioned on the outer side of the corresponding supporting edge strip (51) and arranged in a suspended mode, the edge of the lower portion of each butt joint clamping plate (63) is turned inwards and fixedly connected with the corresponding fixed base (62), and each butt joint clamping plate (63) is provided with a butt joint clamping opening (61);
the butt joint bayonet (61) comprises an oblique section (61a), a vertical section (61b) and an opening expanding section (61c), the lower portion of the oblique section (61a) is communicated with the upper portion of the vertical section (61b), the lower portion of the vertical section (61b) is communicated with the upper portion of the opening expanding section (61c), the lower portion of the opening expanding section (61c) gradually expands outwards and penetrates out of the butt joint clamping plate (63) downwards, and the oblique directions of the oblique sections (61a) of all the butt joint installation seats (6) are consistent.
6. The quick-flattening sofa of claim 4 or 5, wherein: the lower surface of support strake (51) still is equipped with two at least sofa fixing base (7), sofa fixing base (7) are including fixed horizontal bar board (71), and this fixed horizontal bar board (71) level sets up, and this fixed horizontal bar board (71) are located the below of support strake (51), the both ends of fixed horizontal bar board (71) are fixed with vertical support slat (72) respectively, the lower extreme of vertical support slat (72) with the tip fixed connection that fixed horizontal bar board (71) correspond, the upper end of vertical support slat (72) with the lower fixed surface of support strake (51) is connected.
7. The quick-flattening sofa of claim 4, wherein: the sofa seat frame comprises a seat frame and a secondary leg support stretching and contracting mechanism arranged at the front part of the seat frame, the seat frame comprises a hanging plate (28), a rear transverse pipe (15) and two side plates (3), the two side plates (3) are arranged oppositely, the front parts of the two side plates (3) are fixedly connected through the hanging plate, the rear parts of the two side plates (3) are fixedly connected through the rear transverse pipe (15), and the hanging plate is arranged oppositely to the rear transverse pipe (15);
the hanging plate (28) comprises a hanging plate body, the hanging plate body is in a long strip shape, the hanging plate body is horizontally arranged, a bending line is arranged on the hanging plate body along the length direction of the hanging plate body, and the front part of the hanging plate body is bent downwards along the bending line to form an L-shaped structure;
the horizontal side surface of the hanging plate body is a hanging side surface (20a), the vertical side surface of the hanging plate body is a mounting side surface (20b), the middle part of the hanging side surface (20a) is obliquely arranged to form a hanging inclined surface, and the lower edge of the hanging inclined surface faces the rear part of the hanging plate body;
the hanging inclined plane is characterized in that a plurality of hanging units (21) are further arranged on the upper surface of the hanging inclined plane, all the hanging units (21) are uniformly arranged along the length direction of the hanging plate body, each hanging unit (21) comprises a hanging sheet which is arranged in an arc shape and is buckled on the upper surface of the hanging inclined plane, and a hanging hole is formed between each hanging sheet and the upper surface of the hanging inclined plane;
the upper surface of the rear transverse pipe (15) is also provided with a plurality of hooks, the hooks are uniformly arranged along the length direction of the rear transverse pipe (15), and the hooks and the hooking units (21) are in one-to-one correspondence and are arranged oppositely;
the couple includes hook plate body (29), the one end of hook plate body (29) is fixed the upper surface of back violently pipe (15), the other end of hook plate body (29) stretches out forward the upper surface of back violently pipe (15), the end that stretches out of hook plate body (29) is after the downward bending forms the anticreep inclined plane kickup again arrive the top on anticreep inclined plane.
8. The quick-flattening sofa of claim 7, wherein: the side plates (3) comprise side plate bodies (30), the side plate bodies (30) are in a channel steel shape, the side plate bodies (30) are in a long strip shape, the openings of the side plate bodies (30) face the inner side of the seat frame, the two side plates (3) correspond to the two supporting edge strips (51) one by one, and the side plate bodies (30) are fixed with the upper slide rails of the corresponding seat slide rails (51 a); a sliding synchronous rod is further connected between the two side plates (3), two ends of the sliding synchronous rod respectively extend into the corresponding notches of the side plate bodies (30) and are fixedly connected with the groove walls of the side plate bodies, the sliding synchronous rod is positioned in front of the rear transverse pipe (15), a shell of the sliding linear motor (56) is hinged with the stable connecting strip (52), and the end part of a piston rod of the sliding linear motor (56) is hinged with the sliding synchronous rod;
a front supporting piece (31) is arranged at the front end of the sideboard body (30), a rear supporting piece (33) is arranged at the rear end of the sideboard body (30), a middle supporting piece (32) is arranged between the front supporting piece (31) and the rear supporting piece (33), the front supporting piece (31), the middle supporting piece (32) and the rear supporting piece (33) are all positioned in a notch of the sideboard body (30), and the front supporting piece (31), the middle supporting piece (32) and the rear supporting piece (33) are respectively and fixedly connected with the inner wall of the sideboard body (30);
two ends of the hanging side surface (20a) are attached to and fixedly connected with the outer wall of the front part of the sideboard body (30), and two ends of the rear transverse tube (15) respectively extend into the rear supporting piece (33) and are fixedly connected;
the front supporting piece (31) is of a U-shaped structure, the front supporting piece (31) comprises a front connecting plate and two front supporting plates, the two front supporting plates are parallel to each other and are arranged oppositely, the front connecting plate is respectively perpendicular to and connected with the two front supporting plates, the opening direction of the front supporting piece (31) is arranged oppositely to the notch of the sideboard body (30), the two front supporting plates are respectively attached to the inner groove wall of the sideboard body (30), and the front connecting plate is positioned outside the notch of the sideboard body (30);
the middle supporting piece (32) is of a U-shaped structure, the middle supporting piece (32) comprises a middle connecting plate and two middle supporting plates, the two middle supporting plates are parallel to each other and are arranged oppositely, the middle connecting plate is respectively perpendicular to and connected with the two middle supporting plates, the opening direction of the middle supporting piece (32) is arranged oppositely to the notch of the side plate body (30), the two middle supporting plates are respectively attached to the inner groove wall of the middle part of the side plate body (30), and the middle connecting plate is positioned outside the notch of the side plate body (30);
back support piece (33) are "U" type structure, back support piece (33) are including back connecting plate and two back backup pads, two back backup pad is parallel to each other and just to setting up, back connecting plate respectively with two back backup pad is perpendicular and connect, the opening direction orientation of back support piece (33) preceding support piece (31), two back backup pad respectively with the interior cell wall at sideboard body (30) rear portion supports tightly, back connecting plate with the tank bottom face of sideboard body (30) is perpendicular, the both ends of violently managing (15) after stretch into two respectively between the backup pad after, after violently manage (15) tip with back backup pad pastes tightly and fixed connection.
9. The rapid-flattening sofa of claim 8, wherein: the two-stage leg support expansion and contraction mechanism comprises two seat frame connecting rod mechanisms and two leg support connecting rod mechanisms, the seat frame connecting rod mechanisms correspond to the leg support connecting rod mechanisms one by one, the seat frame connecting rod mechanisms correspond to the side plates (3) one by one, the seat frame connecting rod mechanisms are hinged to the front parts of the corresponding side plates (3), and the leg support connecting rod mechanisms are hinged to the front parts of the corresponding seat frame connecting rod mechanisms;
the seat frame connecting rod mechanism comprises two root connecting rods (11), one end parts of the root connecting rods (11) are hinged with the front connecting plate, driving connecting rods (12) are hinged on the middle connecting plate, reversing connecting rods (13) are arranged on any one of the root connecting rods (11), one ends of the driving connecting rods (12) are hinged with the middle connecting plate, the other ends of the driving connecting rods (12) are hinged with one end parts of the reversing connecting rods (13), and the other end parts of the reversing connecting rods (13) are hinged with the middle parts of the corresponding root connecting rods (11);
a rocker arm (14) is further fixed on the driving connecting rod (12), the rocker arm (14) is vertically arranged, and the upper end of the rocker arm (14) is fixedly connected with the driving connecting rod (12);
the rocker arm (14) is fixed at the end part of the driving connecting rod (12) hinged with the middle connecting plate;
the hinge point of the driving connecting rod (12) and the seat frame is positioned behind the hinge point of all the root connecting rods (11) and the seat frame;
a rocker arm synchronous rod (16) is further arranged between the two side plate bodies (30), two ends of the rocker arm synchronous rod (16) respectively face the seat frame connecting rod mechanisms on the two side plate bodies (30), and two ends of the rocker arm synchronous rod (16) are respectively fixedly connected with the corresponding rocker arms (14);
the rear transverse pipe (15) is positioned behind the rocker synchronous rod (16), a propelling linear motor (17) is connected between the rear transverse pipe (15) and the rocker synchronous rod (16), a shell of the propelling linear motor (17) is hinged with the rear transverse pipe (15), and the end part of a piston rod of the propelling linear motor (17) is hinged with the rocker synchronous rod (16);
the leg support connecting rod mechanism comprises two extending connecting rods (18), the extending connecting rods (18) are hinged with the corresponding root connecting rods (11), the free ends of the two extending connecting rods (18) are hinged with the same one-level mounting seat (1a), the free end of any one of the extending connecting rods (18) extends forwards to form a second-level mounting part, a second-level mounting seat (1b) is arranged on the second-level mounting part, the second-level mounting seat (1b) is hinged with the second-level mounting part, a second-level pushing connecting rod (19) is further connected to the one-level mounting seat (1a), one end of the second-level pushing connecting rod (19) is hinged with the one-level mounting seat (1a), and the other end of the second-level pushing connecting rod (19) is hinged with the second-level mounting seat (1 b;
the secondary mounting seat (1b) is positioned on the inner side of the primary mounting seat (1a), the secondary mounting part comprises a secondary extension plate (18a) and a secondary hinge plate (18b), the secondary extension plate (18a) is perpendicular to the secondary hinge plate (18b), the secondary extension plate (18a) is perpendicular to and connected with the free end of the extending connecting rod (18), and the secondary hinge plate (18b) is hinged with the secondary mounting seat (1 b);
the middle part of the secondary pushing connecting rod (19) is bent, the front part of the secondary pushing connecting rod (19) leans to the secondary mounting seat (1b) inwards and is hinged with the secondary mounting seat, and the rear part of the secondary pushing connecting rod (19) is close to the primary mounting seat (1a) outwards and is hinged with the primary mounting seat;
a primary mounting support lug (1c) is arranged on the primary mounting seat (1a), and the primary mounting support lug (1c) extends towards the inner side of the primary mounting seat (1 a);
and a secondary mounting support lug (1d) is arranged on the secondary mounting seat (1b), and the secondary mounting support lug (1d) extends towards the inner side of the secondary mounting seat (1 b).
10. The rapid-flattening sofa of claim 8, wherein: the submerging connecting rod (41) comprises a front submerging section (41a) and a rear submerging section (41b), the front submerging section (41a) and the rear submerging section (41b) are both obliquely arranged, and the included angle between the front submerging section (41a) and the horizontal plane is smaller than the included angle between the rear submerging section (41b) and the horizontal plane;
the lower end of the forward submerging section (41a) extends forward of the sofa base (5), the lower end of the front submerging section (41a) is hinged with the sofa seat frame, the upper end of the front submerging section (41a) is fixedly connected with the lower end of the rear submerging section (41b), the upper end of the rear submerging section (41b) extends towards the back of the sofa base (5), the upper end of the rear submerging section (41b) is also connected with a submerging tail rod (41c), the front end of the submerging tail rod (41c) is fixedly connected with the upper end of the rear submerging section (41b), the rear end of the submerging tail rod (41c) is hinged with the end part of the stabilizing connecting rod (43), the middle part of the tail diving rod (41c) is hinged with the middle part of the swinging connecting rod (42), reinforcing ribs are arranged on the front submerged section (41a) and the rear submerged section (41b) along the trend of the front submerged section and the rear submerged section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022586056.3U CN213664505U (en) | 2020-11-10 | 2020-11-10 | Quick flattening sofa |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022586056.3U CN213664505U (en) | 2020-11-10 | 2020-11-10 | Quick flattening sofa |
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| Publication Number | Publication Date |
|---|---|
| CN213664505U true CN213664505U (en) | 2021-07-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022586056.3U Active CN213664505U (en) | 2020-11-10 | 2020-11-10 | Quick flattening sofa |
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| Country | Link |
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| CN (1) | CN213664505U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115606959A (en) * | 2022-08-23 | 2023-01-17 | 顾家家居股份有限公司 | Zero back rubbing compact sofa iron frame structure |
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2020
- 2020-11-10 CN CN202022586056.3U patent/CN213664505U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115606959A (en) * | 2022-08-23 | 2023-01-17 | 顾家家居股份有限公司 | Zero back rubbing compact sofa iron frame structure |
| CN115606959B (en) * | 2022-08-23 | 2024-05-24 | 顾家家居股份有限公司 | Zero back rubbing compact sofa iron frame structure |
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