CN111955992A - Articulated formula sofa bed with locking structure - Google Patents
Articulated formula sofa bed with locking structure Download PDFInfo
- Publication number
- CN111955992A CN111955992A CN202010850365.9A CN202010850365A CN111955992A CN 111955992 A CN111955992 A CN 111955992A CN 202010850365 A CN202010850365 A CN 202010850365A CN 111955992 A CN111955992 A CN 111955992A
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- Prior art keywords
- sofa
- seat
- cushion
- driving
- foot
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C17/00—Sofas; Couches; Beds
- A47C17/04—Seating furniture, e.g. sofas, couches, settees, or the like, with movable parts changeable to beds; Chair beds
- A47C17/16—Seating furniture changeable to beds by tilting or pivoting the back-rest
- A47C17/162—Seating furniture changeable to beds by tilting or pivoting the back-rest with adjustable back-rest
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C17/00—Sofas; Couches; Beds
- A47C17/04—Seating furniture, e.g. sofas, couches, settees, or the like, with movable parts changeable to beds; Chair beds
- A47C17/16—Seating furniture changeable to beds by tilting or pivoting the back-rest
- A47C17/163—Seating furniture changeable to beds by tilting or pivoting the back-rest and a foot-rest
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C17/00—Sofas; Couches; Beds
- A47C17/86—Parts or details for beds, sofas or couches only not fully covered in a single one of the sub-groups A47C17/02, A47C17/04, A47C17/38, A47C17/52, A47C17/64, or A47C17/84; Drawers in or under beds
Abstract
The invention belongs to the field of sofa beds and discloses a hinged sofa bed with a locking structure, which comprises a sofa cushion and a back cushion hinged at one end of the sofa cushion, wherein a hinged foot lap is arranged at the lower end of a sofa frame seat, a frame seat is fixedly arranged at the back side of the foot lap, a back cushion seat driving assembly comprises a back cushion seat driving source and a driving rod provided with external threads, the driving rod is independently arranged, one end of the driving rod is sleeved with a threaded sleeve, wherein the thread sleeve is connected with the driving rod in a thread matching way, the cushion seat driving source is used for driving the turntable to rotate, when the foot access board rotates to a horizontal state, the foot access board is used for foot lap joint or is convenient for children to get off the bed at the same time, so that the cushion seat driving source and the thread sleeve are in a relatively independent state, when the cushion seat driving source is touched by mistake, the relative position between the sofa frame seat and the back cushion seat is kept fixed, so that the integral safety of the hinged sofa bed is ensured.
Description
Technical Field
The invention belongs to the field of sofa beds, and particularly relates to a hinged sofa bed with a locking structure.
Background
The sofa bed comprises a seat frame and a back frame, the two ends of the adjacent sides of the seat frame and the back frame are connected by movable joints, in a sofa state, the seat frame is turned up, the back frame rotates together with the seat frame, and in the actual use process, the sofa bed is easy to be operated by children intentionally or unintentionally, the conversion between the sofa and the bed is caused, so that the children can be clamped by the back of the sofa to cause injury.
Disclosure of Invention
In view of the shortcomings of the prior art, the present invention provides an articulated sofa bed with a locking structure, which solves the technical problems of the prior art.
The purpose of the invention can be realized by the following technical scheme:
a hinged sofa bed with a locking structure comprises a sofa cushion and a back cushion hinged to one end of the sofa cushion, wherein the lower end of the sofa cushion is provided with a sofa frame seat for fixing, the lower end of the back cushion is provided with a back cushion seat for supporting, one side of the back cushion seat close to the sofa frame seat is fixedly provided with a lap joint seat, the lap joint seat extends into the sofa frame seat, and the lower end of the sofa frame seat is provided with a hinged foot lap plate;
a frame seat is fixedly arranged on the back side of the foot lapping plate, wherein two first driving shafts which are rotatably connected are arranged in the frame seat, first bevel gears are arranged on the first driving shafts, second bevel gears are meshed and connected on the first bevel gears, the second bevel gears are connected through a second driving shaft, and the second driving shaft is rotatably arranged on the frame seat;
the first driving shafts are fixedly provided with turntables, the turntables are fixedly provided with clamping keys distributed circumferentially, and the turntables are rotatably arranged on the frame seat through turntable seats;
the hinged sofa bed further comprises a cushion seat driving assembly, wherein the cushion seat driving assembly comprises cushion seat driving sources and a driving rod, the cushion seat driving sources are independently arranged, the driving rod is provided with external threads, one end of the driving rod is fixedly installed on the cushion seat, the other end of the driving rod is sleeved with a threaded sleeve, the threaded sleeve is in threaded fit connection with the driving rod, when the foot access board is in a vertical state, the cushion seat driving sources are clamped with the clamping keys of any turntable in a clamping key mode, the threaded sleeve is clamped with the clamping keys of the other turntable in a clamping key mode, and when the cushion seat driving sources are clamped with the clamping keys of the turntables, the cushion seat driving sources are used for driving the turntables to rotate;
the cushion seat driving source is fixedly arranged on the sofa frame seat, and the threaded sleeve is rotatably arranged on the sofa frame seat.
Furthermore, the cushion seat driving source comprises a driving motor and a driving shaft fixedly arranged on the output end of the driving motor, wherein one end of the driving shaft is provided with a clamping groove matched with the clamping key;
meanwhile, one end of the threaded sleeve is provided with a clamping groove matched with the clamping key;
when the foot access board is in a vertical state, the clamping groove of the driving shaft is clamped on the clamping key of the corresponding rotary table, and the clamping groove of the threaded sleeve is clamped on the clamping key of the corresponding rotary table.
Furthermore, the back side of the foot access board is provided with a sliding groove, wherein the sliding groove is provided with a foot access board driving mechanism for driving the foot access board to rotate;
wherein foot strap actuating mechanism includes electric jar, support frame and articulated joint, and wherein electric jar fixed mounting is on sofa frame seat, and the shrink pole top fixed mounting of electric jar has the support frame, and support frame one end fixed mounting has the articulated joint, and wherein the articulated joint is installed in the spout, and the articulated joint slides along the spout.
Furthermore, the foot butt strap is hinged at the lower end of the sofa frame seat by using a rotating shaft, wherein one end of the rotating shaft extends out of the sofa frame seat, and a first straight gear is fixedly arranged at one end of the rotating shaft positioned outside the sofa frame seat;
a third driving shaft in rotary connection is arranged on the sofa frame seat positioned at the rotary position between the threaded sleeve and the sofa frame seat, and a third bevel gear is fixedly connected to the third driving shaft;
the third bevel gear and the first straight gear are in motion transmission through the transmission assembly;
a second straight gear is fixedly arranged on the third driving shaft, one side of the second straight gear is meshed with a third straight gear, a coaxial extrusion column is fixedly arranged on the third straight gear, and an external thread is arranged on the extrusion column;
and meanwhile, a mounting hole is formed in the sofa frame seat positioned at the rotating position between the threaded sleeve and the sofa frame seat, the mounting hole penetrates through the outer side of the threaded sleeve, and the extrusion column is connected with the mounting hole in a threaded fit mode.
Further, the use method of the hinged sofa bed comprises the following steps:
when the back cushion and the sofa cushion are required to be integrally formed into the sofa bed, the foot lap plate driving mechanism drives the foot lap plate to rotate, so that the foot lap plate rotates to be in a vertical state, the back cushion seat driving source and the threaded sleeve are respectively clamped with the corresponding rotating discs, at the moment, the rotating discs are driven to rotate by the cushion seat driving source, the relative position between the sofa frame seat and the back cushion seat is adjusted, the back cushion is gradually lapped on the lapping seat until the back cushion is completely lapped on the lapping seat, at the moment, the upper end face of the back cushion and the upper end face of the sofa cushion are positioned on the same horizontal plane, namely, the sofa bed is formed between the back cushion and the sofa cushion;
when the cushion and the sofa cushion are integrally formed into the sofa, the foot access board driving mechanism drives the foot access board to rotate, so that the foot access board rotates to be in a horizontal state, the cushion seat driving source and the threaded sleeve are respectively separated from the corresponding turntables, and the cushion is lapped on the cushion seat to form the sofa between the cushion and the sofa cushion.
The invention has the beneficial effects that:
when the foot access plate rotates to the horizontal state, the foot access plate is used for foot lapping or is convenient for a child to get off the bed, the cushion seat driving source and the threaded sleeve are in a relatively independent state, and when the switch of the cushion seat driving source is touched by mistake, the relative position between the sofa frame seat and the cushion seat is kept fixed, so that the integral safety of the hinged sofa bed is ensured.
Drawings
In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present invention;
FIG. 2 is a schematic diagram of a structure with different viewing angles according to an embodiment of the present invention;
FIG. 3 is a partially exploded view of an embodiment of the present invention;
fig. 4 is an enlarged schematic structural diagram at a in fig. 3 according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 4, an articulated sofa bed with a locking structure comprises a sofa cushion 10 and a back cushion 11 articulated at one end of the sofa cushion 10, wherein the lower end of the sofa cushion 10 is provided with a sofa frame seat 2 for fixing, the lower end of the back cushion 11 is provided with a back cushion seat 3 for supporting, one side of the back cushion seat 3 close to the sofa frame seat 2 is fixedly provided with a lap joint seat 31, and the lap joint seat 31 extends into the sofa frame seat 2.
When the sofa is used, the sofa frame seat 2 and the cushion seat 3 slide relatively, in the process, the cushion 11 is used for self gravity, so that the cushion 11 is gradually lapped on the lapping seat 31 until the cushion 11 is completely lapped on the lapping seat 31, at the moment, the upper end surface of the cushion 11 and the upper end surface of the sofa cushion 10 are positioned on the same horizontal plane, namely, a sofa bed is formed between the cushion 11 and the sofa cushion 10, then the sofa frame seat 2 and the cushion seat 3 are relatively close, and the cushion 11 is lapped on the cushion seat 3, so that a sofa is formed between the cushion 11 and the sofa cushion 10.
The lower end of the sofa frame seat 2 is provided with a hinged foot lap board 4;
as shown in fig. 3 and 4, the frame base 41 is fixedly mounted on the back side of the foot strap 4, wherein the frame base 41 is internally mounted with two rotatably connected first driving shafts 50, each first driving shaft 50 is provided with a first bevel gear 51, each first bevel gear 51 is in meshing connection with a second bevel gear 52, wherein the second bevel gears 52 are connected with each other through a second driving shaft 53, and the second driving shaft 53 is rotatably mounted on the frame base 41;
the first driving shafts 50 are fixedly provided with rotary discs 54, the rotary discs 54 are fixedly provided with circumferentially distributed clamping keys 55, and the rotary discs 54 are rotatably arranged on the frame bases 41 through rotary disc bases 56.
As shown in fig. 2, the articulated sofa bed further includes a cushion seat driving assembly, wherein the cushion seat driving assembly includes a cushion seat driving source 61 and a driving rod 62 provided with external threads, which are independently arranged, one end of the driving rod 62 is fixedly installed on the cushion seat 3, and the other end is sleeved with a threaded sleeve 63, wherein the threaded sleeve 63 is in threaded fit connection with the driving rod 62, when the foot access board 4 is in a vertical state, the cushion seat driving source 61 is engaged with the engagement key 55 of any turntable 54 in the form of the engagement key 55, and the threaded sleeve 63 is engaged with the engagement key 55 of another turntable 54 in the form of the engagement key 55, wherein when the cushion seat driving source 61 is engaged with the engagement key 55 of the turntable 54, the cushion seat driving source 61 is used for driving the turntable 54 to rotate;
wherein the cushion seat driving source 61 is fixedly arranged on the sofa frame seat 2, and the thread sleeve 63 is rotatably arranged on the sofa frame seat 2.
When in use, when the foot lapping plate 4 rotates to the horizontal state and the whole hinged sofa bed is in the sofa state, the foot lapping plate 4 is used for lapping the feet; when the whole hinged sofa bed is in the sofa bed state, the foot butt strap 4 is convenient for children to get off the bed.
When the foot access board 4 rotates to the vertical state, the cushion seat driving source 61 and the thread sleeve 63 are respectively clamped with the corresponding rotating disc 54, at this time, the cushion seat driving source 61 drives the rotating disc 54 to rotate, the first driving shaft 50 rotates, and the motion transmission is performed through the first bevel gear 51, the second bevel gear 52 and the second driving shaft 53, so that the other rotating disc 54 rotates, the rotating disc 54 drives the thread sleeve 63 to rotate, and the relative position between the sofa frame seat 2 and the cushion seat 3 is adjusted.
Through such design, when foot access board 4 rotated to the horizontality, this moment foot access board 4 was used for the foot overlap joint or be convenient for child to get off the bed simultaneously for be in relatively independent state between cushion seat driving source 61 and the thread bush 63, when the mistake touched the switch that leans on cushion seat driving source 61 this moment, relative position also kept fixed between sofa frame seat 2 and the cushion seat 3, had guaranteed the holistic security of articulated sofa bed.
In this embodiment, the back cushion seat driving source 61 includes a driving motor 611 and a driving shaft 612 fixedly installed on the output end of the driving motor 611, wherein one end of the driving shaft 612 is provided with a slot matched with the locking key 55;
meanwhile, one end of the threaded sleeve 63 is provided with a clamping groove matched with the clamping key 55;
when the foot access board 4 is in the vertical state, the clamping groove of the driving shaft 612 is clamped on the clamping key 55 of the corresponding rotary disc 54, and the clamping groove of the threaded sleeve 63 is clamped on the clamping key 55 of the corresponding rotary disc 54.
When the device is used, the driving motor 611 is used for driving the driving shaft 612 to rotate, and the key groove is used for clamping, so that the motion transmission is realized.
In this embodiment, the back side of the foot access board 4 is provided with a sliding slot 411, wherein the sliding slot 411 is provided with a foot access board driving mechanism 42 for driving the foot access board 4 to rotate;
wherein the foot strap driving mechanism 42 comprises an electric cylinder 421, a supporting frame 422 and a hinge joint 423, wherein the electric cylinder 421 is fixedly mounted on the sofa frame seat 2, the supporting frame 422 is fixedly mounted at the top end of a contraction rod of the electric cylinder 421, the hinge joint 423 is fixedly mounted at one end of the supporting frame 422, the hinge joint 423 is mounted in the sliding groove 411, and the hinge joint 423 slides along the sliding groove 411.
During the use, the shrink pole of electric cylinder 421 drives support frame 422 and moves, and hinge 423 slides along spout 411 this moment, and during this period, support frame 422 supports foot access board 4, makes foot access board 4 rotate simultaneously.
In the embodiment, the foot strap 4 is hinged at the lower end of the sofa frame base 2 by using a rotating shaft 43, wherein one end of the rotating shaft 43 extends out of the sofa frame base 2, and a first straight gear 431 is fixedly arranged at one end of the rotating shaft 43 positioned outside the sofa frame base 2;
a third driving shaft 70 in rotary connection is arranged on the sofa frame seat 2 positioned at the rotary position between the threaded sleeve 63 and the sofa frame seat 2, and a third bevel gear 71 is fixedly connected to the third driving shaft 70;
wherein the third bevel gear 71 and the first straight gear 431 are in motion transmission through a transmission component;
a second spur gear 72 is fixedly mounted on the third driving shaft 70, a third spur gear 73 is meshed with one side of the second spur gear 72, a coaxial extrusion column 74 is fixedly mounted on the third spur gear 73, and an external thread is formed on the extrusion column 74;
meanwhile, the sofa frame base 2 positioned at the rotating position between the threaded sleeve 63 and the sofa frame base 2 is provided with a mounting hole 21, the mounting hole 21 penetrates through the outer side of the threaded sleeve 63, and the extrusion column 74 is connected with the mounting hole 21 in a threaded fit manner.
When the extrusion device is used, the foot access board driving mechanism 42 drives the foot access board 4 to rotate, meanwhile, the rotating shaft 43 of the foot access board 4 rotates, the rotating shaft 43 rotates to drive the first straight gear 431 to rotate, and then the third bevel gear 71 rotates through the motion transmission of the transmission assembly, the third bevel gear 71 drives the third driving shaft 70 to rotate, the rotating third driving shaft 70 drives the extrusion column 74 to rotate, so that the extrusion column 74 rotates inwards or outwards, when the extrusion column 74 rotates inwards, the extrusion column 74 approaches the threaded sleeve 63 until the threaded sleeve 63 is extruded;
in practical application, the extrusion column 74 extrudes the threaded sleeve 63, and the threaded sleeve 63 is prevented from rotating in a natural state; secondly, during foot access board actuating mechanism 42 drive foot access board 4 rotates the in-process, the support frame 422 of foot access board actuating mechanism 42 constantly deviates from to foot access board 4 and leans on the cushion 3 motion, when pivoted foot access board 4 is close to when being in the horizontality, the extrusion post 74 extrudees thread bush 63 this moment for foot access board 4 can't continue upwards to rotate, can be in order to prescribe a limit to foot access board 4 angle, also avoid support frame 422 to stretch out the one end that foot access board 4 deviates from and leans on cushion 3 simultaneously.
The using method comprises the following steps:
when the back cushion 11 and the sofa cushion 10 are required to be integrally formed into a sofa bed, the foot lap driving mechanism 42 drives the foot lap 4 to rotate, so that the foot lap 4 rotates to be in a vertical state, the back cushion seat driving source 61 and the thread sleeve 63 are respectively clamped with the corresponding rotating discs 54, at the moment, the rotating discs 54 are driven to rotate by the cushion seat driving source 61, the relative position between the sofa frame seat 2 and the back cushion seat 3 is adjusted, the back cushion 11 is gradually lapped on the lapping seat 31 until the back cushion 11 is completely lapped on the lapping seat 31, and at the moment, the upper end surface of the back cushion 11 and the upper end surface of the sofa cushion 10 are positioned on the same horizontal plane, namely, the sofa bed is formed between the back cushion 11 and the sofa cushion 10;
when the back cushion 11 and the sofa cushion 10 are integrally formed into a sofa, the foot strap driving mechanism 42 drives the foot strap 4 to rotate, so that the foot strap 4 rotates to be in a horizontal state, the back cushion seat driving source 61 and the thread sleeve 63 are respectively separated from the corresponding turntables 54, and the back cushion 11 is lapped on the back cushion seat 3, so that the sofa is formed between the back cushion 11 and the sofa cushion 10.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.
Claims (5)
1. A hinged sofa bed with a locking structure comprises a sofa cushion (10) and a back cushion (11) which is hinged and installed at one end of the sofa cushion (10), wherein the lower end of the sofa cushion (10) is provided with a sofa frame seat (2) for fixing, the lower end of the back cushion (11) is provided with a back cushion seat (3) for supporting, one side of the back cushion seat (3) close to the sofa frame seat (2) is fixedly provided with a lapping seat (31), the lapping seat (31) extends into the sofa frame seat (2), the hinged sofa bed is characterized in that,
the lower end of the sofa frame seat (2) is provided with a hinged foot lap board (4);
the back side of the foot lapping plate (4) is fixedly provided with a frame seat (41), wherein the frame seat (41) is internally provided with two first driving shafts (50) which are connected in a rotating way, the first driving shafts (50) are respectively provided with a first helical gear (51), the first helical gears (51) are respectively connected with a second helical gear (52) in a meshing way, the second helical gears (52) are connected through a second driving shaft (53), and the second driving shaft (53) is rotatably arranged on the frame seat (41);
the first driving shafts (50) are fixedly provided with turntables (54), the turntables (54) are fixedly provided with clamping keys (55) distributed in the circumferential direction, and the turntables (54) are rotatably arranged on the frame base (41) through turntable bases (56);
the articulated sofa bed also comprises a cushion seat driving component, wherein the cushion seat driving component comprises a cushion seat driving source (61) and a driving rod (62) which are independently arranged and are provided with external threads, wherein one end of the driving rod (62) is fixedly arranged on the cushion seat (3), the other end is sleeved with a threaded sleeve (63), wherein the thread sleeve (63) is in thread fit connection with the driving rod (62), when the foot access board (4) is in a vertical state, the cushion seat driving source (61) is clamped with a clamping key (55) of any rotating disc (54) in a clamping key (55) mode, the thread sleeve (63) is clamped with a clamping key (55) of another rotating disc (54) in a clamping key (55) mode, when the cushion seat driving source (61) is clamped with the clamping key (55) of the rotary disc (54), the cushion seat driving source (61) is used for driving the rotary disc (54) to rotate;
the cushion seat driving source (61) is fixedly arranged on the sofa frame seat (2), and the thread sleeve (63) is rotatably arranged on the sofa frame seat (2).
2. The articulated sofa bed with locking structure as claimed in claim 1, wherein the cushion seat driving source (61) comprises a driving motor (611) and a driving shaft (612) fixedly installed on the output end of the driving motor (611), wherein one end of the driving shaft (612) is opened with a slot for engaging with the locking key (55);
meanwhile, one end of the threaded sleeve (63) is provided with a clamping groove matched with the clamping key (55);
when the foot access board (4) is in a vertical state, the clamping groove of the driving shaft (612) is clamped on the clamping key (55) of the corresponding rotary table (54), and the clamping groove of the threaded sleeve (63) is clamped on the clamping key (55) of the corresponding rotary table (54).
3. The hinged sofa bed with locking structure as claimed in claim 2, wherein the foot access board (4) is provided with a sliding slot (411) at the back side, wherein the sliding slot (411) is provided with a foot access board driving mechanism (42) for driving the foot access board (4) to rotate;
wherein foot strap actuating mechanism (42) includes electric jar (421), support frame (422) and articulated joint (423), wherein electric jar (421) fixed mounting is on sofa frame seat (2), the shrink pole top fixed mounting of electric jar (421) has support frame (422), support frame (422) one end fixed mounting has articulated joint (423), wherein articulated joint (423) are installed in spout (411), articulated joint (423) slide along spout (411).
4. The hinged sofa bed with locking structure as claimed in claim 3, wherein the foot board (4) is hinged at the lower end of the sofa frame base (2) by a rotating shaft (43), wherein one end of the rotating shaft (43) extends out of the sofa frame base (2), and a first straight gear (431) is fixedly installed at one end of the rotating shaft (43) positioned outside the sofa frame base (2);
a third driving shaft (70) in rotary connection is arranged on the sofa frame seat (2) positioned at the rotary position between the threaded sleeve (63) and the sofa frame seat (2), and a third bevel gear (71) is fixedly connected to the third driving shaft (70);
the third bevel gear (71) and the first straight gear (431) are in motion transmission through a transmission assembly;
a second straight gear (72) is fixedly mounted on the third driving shaft (70), a third straight gear (73) is meshed with one side of the second straight gear (72), a coaxial extrusion column (74) is fixedly mounted on the third straight gear (73), and an external thread is formed in the extrusion column (74);
meanwhile, a mounting hole (21) is formed in the sofa frame seat (2) located at the rotating position between the threaded sleeve (63) and the sofa frame seat (2), the mounting hole (21) penetrates through the outer side of the threaded sleeve (63), and the extrusion column (74) is connected with the mounting hole (21) in a threaded fit mode.
5. The articulating sofa bed with locking structure of claim 4, wherein the method of using the articulating sofa bed is:
when the back cushion (11) and the sofa cushion (10) are required to be integrally formed into the sofa bed, the foot lap plate driving mechanism (42) drives the foot lap plate (4) to rotate, so that the foot lap plate (4) rotates to be in a vertical state, the back cushion seat driving source (61) and the threaded sleeve (63) are respectively clamped with the corresponding rotary disc (54), at the moment, the back cushion seat driving source (61) drives the rotary disc (54) to rotate, the relative position between the sofa frame seat (2) and the cushion seat (3) is adjusted, so that the back cushion (11) is gradually lapped on the lapping seat (31) until the back cushion (11) is completely lapped on the lapping seat (31), at the moment, the upper end face of the back cushion (11) and the upper end face of the sofa cushion (10) are positioned on the same horizontal plane, and the sofa bed is formed between the back cushion (11) and the sofa cushion (10);
when the back cushion (11) and the sofa cushion (10) are integrally formed into the sofa, the foot lap plate driving mechanism (42) drives the foot lap plates (4) to rotate, so that the foot lap plates (4) rotate to be in a horizontal state, the back cushion seat driving source (61) and the threaded sleeves (63) are respectively separated from the corresponding turntables (54), and the back cushion (11) is lapped on the back cushion seat (3), so that the sofa is formed between the back cushion (11) and the sofa cushion (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010850365.9A CN111955992B (en) | 2020-08-21 | 2020-08-21 | Articulated formula sofa bed with locking structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010850365.9A CN111955992B (en) | 2020-08-21 | 2020-08-21 | Articulated formula sofa bed with locking structure |
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| CN111955992A true CN111955992A (en) | 2020-11-20 |
| CN111955992B CN111955992B (en) | 2022-02-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115088979A (en) * | 2022-05-21 | 2022-09-23 | 嘉善沣德家具有限公司 | Multi-connecting-rod angle adjusting sofa bed |
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| DE3033980A1 (en) * | 1980-03-01 | 1982-04-22 | Stanzwerk Peitz & Co, 5802 Wetter | Sofa bed with automatically extending back and foot rest - has rigid support on slide carriage to fix foot part in extended position |
| WO2000057755A1 (en) * | 1999-03-26 | 2000-10-05 | Hookway Consultancy Limited | Convertible sofa |
| CN107224133A (en) * | 2017-07-25 | 2017-10-03 | 锐迈机械科技（吴江）有限公司 | Disassembling sofa double-motor driving structure |
| CN208388242U (en) * | 2017-10-31 | 2019-01-18 | 深圳市美华居实业有限公司 | A kind of function sofa of Dual-motors Driving |
| CN107928910A (en) * | 2017-11-17 | 2018-04-20 | 杨少辉 | Wheelchair and wheelchair combination cot |
| CN107960780A (en) * | 2017-12-11 | 2018-04-27 | 宁波大学科学技术学院 | A kind of adjustable divan of multi link formula |
| CN210842330U (en) * | 2019-07-09 | 2020-06-26 | 安吉居然雅竹家居用品有限公司 | Formula sofa is opened to helping hand |
| CN111345628A (en) * | 2019-12-10 | 2020-06-30 | 锐迈机械科技（吴江）有限公司 | A rotation locking aggregate unit and gesture adjustable sofa for furniture unit |
| CN111493577A (en) * | 2020-05-21 | 2020-08-07 | 海宁高点家具有限公司 | Folding sofa bed |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115088979A (en) * | 2022-05-21 | 2022-09-23 | 嘉善沣德家具有限公司 | Multi-connecting-rod angle adjusting sofa bed |
| CN115088979B (en) * | 2022-05-21 | 2023-04-28 | 嘉善沣德家具有限公司 | Multi-connecting-rod angle-adjusting sofa bed |
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| CN111955992B (en) | 2022-02-22 |
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