CN217488114U

CN217488114U - Foldable sofa bed

Info

Publication number: CN217488114U
Application number: CN202220958212.0U
Authority: CN
Inventors: 张守一
Original assignee: Xinyang Hengda Home Furnishing Co ltd
Current assignee: Xinyang Hengda Home Furnishing Co ltd
Priority date: 2022-04-20
Filing date: 2022-04-20
Publication date: 2022-09-27
Anticipated expiration: 2032-04-20

Abstract

The utility model discloses a foldable sofa bed, which comprises a seat part and a backrest part, wherein the seat part is internally provided with a seat support, the backrest part is internally provided with a backrest support, an adjusting part is arranged between the backrest support and the seat support, and the backrest support and the seat support are rotationally connected through the arranged adjusting part; the top of the leaning part is provided with at least one head support, the bottom of the head support is connected with at least one inserted bar, the top of the leaning support is provided with an insertion hole, and the insertion hole is inserted in the inserted bar in a matching manner; the positions of the seat part, which are close to the two ends, are provided with supporting brackets, the upper surface of the seat support is provided with jacks, the bottom of each supporting bracket is connected with at least one insertion rod, and the supporting brackets are inserted into the jacks in a matching manner through the arranged insertion rods; a plurality of support legs are arranged below the seat part; the multi-angle range can be adjusted by arranging the adjusting piece, and the adjusting piece can be easily folded, so that the use convenience is improved.

Description

Foldable sofa bed

Technical Field

The utility model belongs to the field of furniture manufacture, especially, relate to a folding sofa bed.

Background

The sofa is a piece of furniture indispensable to each family, and is various, mostly gives priority to the travelling comfort, and present family sofa has many regulation functions, but hardly puts down all when having the regulation function to can only carry out the regulation of an angle when adjusting, or the angle interval of adjusting is great, causes the use inconvenience of certain degree.

Chinese patent application No. 201521014670.5 discloses a portable folding sofa, which comprises a sofa seat and a sofa backrest, wherein a rotation pin is fixed on the sofa backrest, two ends of the rotation pin are rotatably arranged on the sofa seat, a plurality of compression springs are sleeved on the rotation pin, one ends of the compression springs are fixed on the sofa backrest, and the other ends of the compression springs are fixed on the sofa seat; a first handrail and a second handrail are further fixed on two sides of the sofa seat, a foot pad is further arranged on the sofa seat, and a telescopic mechanism is further arranged between the sofa seat and the foot pad. Through setting up the rotation pin and rotating, realized rotating, but can not carry out regulation control to the turned angle, only can carry out simple directional adjustment, await improvement.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model aims to provide a foldable sofa bed, which solves the problems of the background technology, can realize the adjustment of 0-180 degrees by a ratchet wheel and a pawl when adjusting by arranging an adjusting piece, and can be easily folded to increase the use convenience; meanwhile, the guide wheel and the guide rail are arranged for guiding, so that the leaning part and the seat part are prevented from deviating, and the stability is improved.

The utility model provides a following technical scheme:

a foldable sofa bed comprises a seat part and a backrest part, wherein a seat support is arranged in the seat part, a backrest support is arranged in the backrest part, an adjusting piece is arranged between the backrest support and the seat support, and the backrest support and the seat support are rotatably connected through the adjusting piece;

the top of the leaning part is provided with at least one head support, the bottom of the head support is connected with at least one inserted bar, the top of the leaning support is provided with an insertion hole, and the insertion hole is inserted in the inserted bar in a matching manner; the positions, close to the two ends, of the seat part are provided with supporting supports, the upper surface of the seat support is provided with insertion holes, the bottom of each supporting support is connected with at least one insertion rod, and the supporting supports are inserted into the insertion holes in a matched mode through the insertion rods; a plurality of support legs are arranged below the seat part.

Preferably, the regulating part includes the base, base and seat support fixed connection, one side of base is connected with the fixed axle, the cover is equipped with the ratchet on the fixed axle, the outside cover of ratchet is equipped with the carousel, carousel and ratchet relative sliding connection, the outside of ratchet is connected with the connecting rod, the other end of connecting rod with lean on support fixed connection.

Preferably, the ratchet wheel is provided with a stop lever, the turntable is provided with a through groove, the through groove is of an arc-shaped structure, the stop lever is arranged in the through groove, and the stop lever can slide in the through groove; the ratchet wheel is characterized in that a pawl is arranged on the base and can be matched and clamped with the ratchet wheel, the pawl is provided with a rotating block and is rotatably connected with the base through the rotating block, one end, far away from the ratchet wheel, of the pawl is provided with a tension spring, the tension spring is connected with the base, and the tension spring provides continuous tension for the pawl.

Preferably, the base is provided with a first stop block and a second stop block, and the first stop block and the second stop block can stop the rotation of the ratchet wheel and the rotating disc in the plane of the base.

Preferably, the bottom of the support is connected with at least two guide rails, and the guide rails are of arc structures.

Preferably, the guide rail is provided with a guide wheel in a matching manner, the guide wheel and the guide rail can be connected in a sliding manner, and the guide wheel and the seat support are rotationally connected through a pin shaft.

Preferably, the seat support and the backrest support are both filled with sponge layers, and the seat support and the backrest support are wrapped with flexible layers.

Preferably, one end of the leaning part, which is far away from the seat part, is provided with a support leg, and the support leg is detachably connected with the leaning bracket through a screw.

Preferably, the flexible layer wrapped outside the support and the seat support is made of leather.

Preferably, the ratchet wheel is of a fan-shaped structure, the corresponding central angle is 60 degrees, the included angle between the first stop block and the second stop block is 120 degrees, and the connecting rod can be adjusted within the range of 0-180 degrees.

In addition, when the adjusting piece is adjusted, if the initial state leaning part and the seat part are in a folded state, the leaning part is pulled upwards, the ratchet wheel is driven to rotate through the connecting rod, and in the process that the ratchet wheel rotates downwards, the pawl is clamped with the ratchet wheel under the action of the tension spring, so that the leaning part can be fixedly adjusted at multiple angles. When the leaning part needs to be folded, the leaning part continues to be lifted, the ratchet wheel drives the rotary table to rotate through the arranged stop lever in the rotating process, the rotary table shields the rack of the ratchet wheel while rotating, when the rotary table touches the first stop block, the ratchet wheel is separated from the pawl, the leaning part reversely rotates at the moment, the ratchet wheel is driven to return to the original position, in the process that the ratchet wheel returns to the original position, firstly, the connecting rod drives the ratchet wheel to rotate, when the stop lever on the ratchet wheel slides to the other end of the through groove, the stop lever drives the rotary table to continue to rotate, when the rotary table touches the second stop block, the rack of the ratchet wheel is completely exposed, and the adjusting piece returns to the original position.

Compared with the prior art, the utility model discloses following beneficial effect has:

(1) the utility model relates to a folding sofa bed, not only can realize the regulation of 0-180 degrees scope through ratchet and pawl when adjusting through setting up the regulating part to can easily fold, increase the convenience of using.

(2) The utility model relates to a folding sofa bed leads through the guide pulley and the guide rail that set up, prevents to lean on portion and seat to take place the skew, increases the steadiness.

(3) The utility model relates to a folding sofa bed, the contained angle through setting up first dog and second dog is 120, and the ratchet is fan-shaped structure, and the central angle that corresponds is 60, realizes that the connecting rod drives the back and adjusts at 0-180 within ranges, can set level, and is more practical.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the flatting structure of the present invention.

Fig. 3 is a schematic structural diagram of the adjusting member of the present invention.

Fig. 4 is a schematic view of the structure of the guide rail and the guide wheel of the present invention.

In the figure: 1. a seat portion; 2. a rest portion; 3. an adjustment member; 4. supporting; 5. a head rest; 6. inserting a rod; 7. a jack; 8. a support leg; 9. a seat support; 10. a support frame; 11. a connecting rod; 12. a guide rail; 13. a guide wheel; 31. a base; 32. a fixed shaft; 33. a ratchet wheel; 34. a turntable; 35. a through groove; 36. a stop lever; 37. a pawl; 38. a tension spring; 39. a first stopper; 310. a second stop.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention will be combined to clearly and completely describe the technical solutions of the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example one

As shown in fig. 1-2, a foldable sofa bed comprises a seat part 1 and a backrest part 2, wherein a seat support 9 is arranged inside the seat part 1, a backrest support 10 is arranged inside the backrest part 2, an adjusting part 3 is arranged between the backrest support 10 and the seat support 9, and the backrest support 10 and the seat support 9 are rotatably connected through the adjusting part 3;

the top of the leaning part 2 is provided with at least one head support 5, the bottom of the head support 5 is connected with at least one inserted bar 6, the top of the leaning support 10 is provided with an insertion hole 7, and the insertion hole 7 is inserted with the inserted bar 6 in a matching manner; the positions, close to the two ends, of the seat part 1 are provided with supporting brackets 4, the upper surface of the seat support 9 is provided with a jack 7, the bottom of each supporting bracket 4 is connected with at least one inserting rod 6, and the supporting brackets 4 are inserted into the jacks 7 in a matching mode through the arranged inserting rods 6; a plurality of support legs 8 are provided below the seat 1.

Example two:

as shown in fig. 3-4, the difference from the first embodiment is that the adjusting member 3 includes a base 31, the base 31 is fixedly connected to the seat support 9, a fixed shaft 32 is connected to one side of the base 31, a ratchet 33 is sleeved on the fixed shaft 32, a rotating disc 34 is sleeved on an outer side of the ratchet 33, the rotating disc 34 is slidably connected to the ratchet 33, a connecting rod 11 is connected to an outer side of the ratchet 33, and another end of the connecting rod 11 is fixedly connected to the support 10.

A stop lever 36 is arranged on the ratchet wheel 33, a through groove 35 is formed in the rotary disc 34, the through groove 35 is of an arc-shaped structure, the stop lever 36 is arranged in the through groove 35, and the stop lever 36 can slide in the through groove 35; be equipped with pawl 37 on base 31, pawl 37 can match the joint with ratchet 33, pawl 37 is equipped with the turning block, rotates with base 31 through the turning block that sets up to be connected, the one end that ratchet 33 was kept away from to pawl 37 is equipped with extension spring 38, extension spring 38 is connected with base 31, and extension spring 38 provides lasting pulling force for pawl 37.

The base 31 is provided with a first stop 39 and a second stop 310, and the first stop 39 and the second stop 310 can stop the rotation of the ratchet wheel 33 and the turntable 34 in the plane of the base 31. The bottom of the support 10 is connected with at least two guide rails 12, and the guide rails 12 are arc-shaped structures.

The guide rail 12 is provided with a guide wheel 13 in a matching manner, the guide wheel 13 is connected with the guide rail 12 in a sliding manner, and the guide wheel 13 is rotationally connected with the seat support 9 through a pin shaft. The seat support 9 and the backrest support 10 are both filled with sponge layers, and the seat support 9 and the backrest support 10 are wrapped with flexible layers. One end of the leaning part 2, which is far away from the seat part 1, is provided with a support leg 8, and the support leg 8 is detachably connected with the leaning bracket 10 through a screw. The flexible layer wrapped outside the support 10 and the seat support 9 is made of leather. The ratchet wheel 33 is of a fan-shaped structure, the corresponding central angle is 60 degrees, the included angle between the first stop block 39 and the second stop block 310 is 120 degrees, and the connecting rod 11 can be adjusted within the range of 0-180 degrees.

When the adjusting member 3 is adjusting, if the initial state leaning part 2 and the seat part 1 are in a folded state, the leaning part 2 is pulled upwards, the connecting rod 11 drives the ratchet wheel 33 to rotate, and in the process that the ratchet wheel 33 rotates downwards, the pawl 37 is clamped with the ratchet wheel 33 under the action of the tension spring 38, so that the leaning part 2 can be fixedly adjusted at a plurality of angles. When the leaning part 2 needs to be folded, the leaning part 2 is continuously lifted, the ratchet wheel 33 drives the rotating disc 34 to rotate through the arranged stop lever 36 in the rotating process, the rotating disc 34 shields the rack of the ratchet wheel 33 while rotating, when the rotating disc 34 touches the first stop block 39, the ratchet wheel 33 is separated from the pawl 37, at the moment, the leaning part 2 is reversely rotated to drive the ratchet wheel 33 to return to the original position, in the process that the ratchet wheel 33 returns to the original position, firstly, the connecting rod 11 drives the ratchet wheel 33 to rotate, when the stop lever 36 on the ratchet wheel 33 slides to the other end of the through groove 35, the stop lever 36 drives the rotating disc 34 to continuously rotate, when the rotating disc 34 touches the second stop block 310, the rack of the ratchet wheel 33 is completely exposed, and the adjusting part 3 returns to the original position.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art; any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A foldable sofa bed is characterized in that: the chair comprises a seat part (1) and a backrest part (2), wherein a seat support (9) is arranged in the seat part (1), a backrest support (10) is arranged in the backrest part (2), an adjusting part (3) is arranged between the backrest support (10) and the seat support (9), and the backrest support (10) and the seat support (9) are rotatably connected through the adjusting part (3);

the top of the leaning part (2) is provided with at least one head support (5), the bottom of the head support (5) is connected with at least one inserted bar (6), the top of the leaning support (10) is provided with an insertion hole (7), and the insertion hole (7) is inserted with the inserted bar (6) in a matching manner; the positions, close to the two ends, of the seat part (1) are provided with supporting supports (4), the upper surface of the seat support (9) is provided with an insertion hole (7), the bottom of each supporting support (4) is connected with at least one insertion rod (6), and the supporting supports (4) are inserted into the insertion holes (7) in a matched mode through the insertion rods (6); a plurality of support legs (8) are arranged below the seat part (1).

2. The foldable sofa bed according to claim 1, wherein the adjusting member (3) comprises a base (31), the base (31) is fixedly connected with the seat support (9), a fixed shaft (32) is connected to one side of the base (31), a ratchet (33) is sleeved on the fixed shaft (32), a rotary plate (34) is sleeved on the outer side of the ratchet (33), the rotary plate (34) is slidably connected with the ratchet (33) relatively, a connecting rod (11) is connected to the outer side of the ratchet (33), and the other end of the connecting rod (11) is fixedly connected with the support (10).

3. The foldable sofa bed according to claim 2, wherein the ratchet wheel (33) is provided with a stop lever (36), the turntable (34) is provided with a through slot (35), the through slot (35) is in an arc shape, the stop lever (36) is arranged in the through slot (35), and the stop lever (36) can slide in the through slot (35); be equipped with pawl (37) on base (31), pawl (37) can match the joint with ratchet (33), pawl (37) are equipped with the turning block, rotate with base (31) through the turning block that sets up and are connected, the one end that ratchet (33) were kept away from in pawl (37) is equipped with extension spring (38), extension spring (38) are connected with base (31), and extension spring (38) provide lasting pulling force for pawl (37).

4. The foldable sofa bed according to claim 3, wherein the base (31) is provided with a first stop (39) and a second stop (310), the first stop (39) and the second stop (310) being capable of blocking the ratchet (33) and the turntable (34) from rotating in the plane of the base (31).

5. The foldable sofa bed according to claim 1, wherein at least two guide rails (12) are connected to the bottom of the backrest frame (10), said guide rails (12) having an arc-shaped structure.

6. The foldable sofa bed according to claim 5, wherein the guide rail (12) is provided with a guide wheel (13), the guide wheel (13) is slidably connected with the guide rail (12), and the guide wheel (13) is rotatably connected with the seat support (9) through a pin shaft.

7. The foldable sofa bed according to claim 1, wherein the seat support (9) and the backrest support (10) are filled with sponge layers, and the seat support (9) and the backrest support (10) are externally wrapped with flexible layers.