CN211722497U

CN211722497U - Folding sofa bed

Info

Publication number: CN211722497U
Application number: CN202020288845.6U
Authority: CN
Inventors: 孟凡荣
Original assignee: Hangzhou Guangxin Import & Export Co ltd
Current assignee: Hangzhou Guangxin Import & Export Co ltd
Priority date: 2020-03-10
Filing date: 2020-03-10
Publication date: 2020-10-23
Anticipated expiration: 2030-03-10

Abstract

The utility model relates to a folding sofa bed, including base, head of a bed frame, lathe bed frame, tailstock frame, mattress, the base includes base frame, foot, be provided with the truckle under the tailstock frame, be provided with the head of a bed lower locating piece on the base, be provided with the locating piece on the head of a bed under the headstock frame, head of a bed frame, lathe bed frame, tailstock frame pass through long hinged joint, be provided with the head of a bed hinge between head of a bed frame and the base, tailstock frame, lathe bed frame comprise frame, bed board and bed board installation cover, the bed board is located the bed board installation cover, bed board installation cover evenly distributed is on tailstock frame, lathe bed frame and headstock frame, be provided with two tailstock positioning channel groove on the tailstock frame, the truckle links to each other with the tailstock frame is fixed. The utility model is simple in operation, the sofa bed that need not remove the mattress, mattress thickness is enough moreover, the degree of inclination of the adjustable back of sofa state after folding, it is very convenient to use.

Description

Folding sofa bed

Technical Field

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

Background

With the increase of furniture, the available space in the home is smaller and smaller. Divans were then born, and the commercial divan constructions consisted of a frame hinged laterally in two or three sections, which allowed its rear and lower parts to be stored in enclosed drawers providing the structure of the divan, by means of complex mechanisms assisted by springs or the like. This construction has the disadvantage of mechanical complexity, because it requires removal of the most voluminous cushions or pillows of the seat and finding a place for them when the sofa bed is in the bed configuration, and because the mattress is usually very thin and uncomfortable, because it must be folded in the sofa configuration. The existing folding sofa bed with the caster wheels has the defects that the frame is flatly unfolded when unfolded, the frame needs to be pushed to the place with force when folded, the frame cannot be completely locked, and the use is not very humanized.

SUMMERY OF THE UTILITY MODEL

In view of the not enough of background art existence, the utility model relates to a folding sofa bed, according to the above-mentioned problem, designed an easy operation, need not remove the sofa bed of mattress, mattress thickness is enough moreover, the degree of inclination of the adjustable back of sofa state after folding, it is very convenient to use.

The utility model relates to a folding sofa bed, which comprises a base, a bed head frame, a bed body frame, a bed tail frame and a mattress, wherein the base comprises a base frame and four bed legs, a left caster combination and a right caster combination are arranged below the bed tail frame, the bed head frame is provided with the mattress A, the bed body frame is provided with the mattress B, the bed tail frame is provided with the mattress C, a bed head lower positioning block is arranged on the base, a bed head upper positioning block is arranged below the bed head frame, the bed body frame and the bed tail frame are connected through a long hinge, a bed head hinge is arranged between the bed head frame and the base, the bed tail frame, the bed body frame and the bed head frame comprise a frame body, a bed board and a bed board mounting sleeve, the bed board is positioned in the bed board mounting sleeve, the bed board mounting sleeve is evenly distributed on the bed tail frame, the bed body frame and the bed head frame, two bed tail positioning clamping grooves are arranged on the bed, the left caster wheel assembly and the right caster wheel assembly are fixedly connected with the bed tail frame;

when folding: the bed tail positioning clamping groove is clamped on the tube of the base, two front caster wheels in the four caster wheels of the left caster wheel combination and the right caster wheel combination are separated from the ground, the bed head frame and the bed body frame are folded together to be used as a backrest, and the angle between the backrest and the bed tail frame is controlled through the bed head hinge;

when the device is unfolded: the bed head upper positioning block is pressed in the bed head lower positioning block, and at the moment, the left caster combination and the right caster combination are in contact with the ground.

Through adopting above-mentioned scheme for three frame attach is inseparable, and is rotatory nimble, laborsaving during folding, and is very firm after folding, through the different design of base head of a bed hinge and the front and back position adjustment of locating piece under the overhead locating piece of bed and the head of a bed, can acquire different back angles and expansion angle, it is more humanized.

Furthermore, the section of the mattress C is rectangular, the sections of the mattress A and the mattress B are right trapezoid, and the long hinge enables the bed head frame and the bed body frame to form an angle.

By adopting the scheme, when the three mattresses are used as the flat cushions with the same thickness, the bed head frame, the bed body frame and the bed tail frame can be unfolded into a plane, so that the three flat cushions are flat.

Furthermore, the distance between the bed foot of the base frame and the edge of the base is greater than the distance between the left caster combination and the right caster combination of the bed tail frame and the edge of the bed tail frame.

By adopting the scheme, the bed tail frame and the base frame do not interfere with each other when the bed tail frame is translated into the base frame.

Furthermore, tensioning springs are arranged on the bed head frame and the bed body frame, when the folding bed is to be folded, the bed body frame is lifted upwards, and the bed tail frame is translated into the base under the action of the tensioning springs.

By adopting the scheme, the stress during operation can be saved by tensioning the spring, and the folding is convenient.

Further, left side truckle combination, right truckle combination comprise truckle mounting bracket, 3 cun directional wheels, left side truckle combination, right truckle combination pass through screw and tailstock frame fixed connection as an organic whole.

By adopting the scheme, the structure facilitates the movement of the bed tail frame, so that the state change of the sofa bed is simpler and more convenient.

Further, when the bed frame needs to be unfolded, the caster mounting rack is lifted, so that the bed tail positioning clamping groove is separated from the tube of the base, and the bed tail frame is pulled out from the base frame in a translation mode to be unfolded.

By adopting the scheme, the bed tail positioning clamping groove ensures the stability of the folding sofa bed when the sofa bed is in a folding state, and the folding sofa bed can not be pulled out and unfolded when the bed tail frame is not lifted.

Further, the rotation angle of the bed head hinge is 0-180 degrees.

By adopting the scheme, the base is connected with the bedside frame through the base bedside hinge, and the angle of the backrest is accurately controlled during folding.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a schematic view of a folded state three-dimensional structure according to an embodiment of the present invention.

Fig. 2 is a schematic view of the folded front structure of the embodiment of the present invention.

Fig. 3 is a schematic side view of the folded state according to the embodiment of the present invention.

Fig. 4 is a schematic side view of the expanded state of the embodiment of the present invention.

Fig. 5 is an enlargement of the area of fig. 1A according to an embodiment of the invention.

Reference numeral, 1-base; 2-bed head hinge; 3-a bedside frame; 31-mattress a; 4-positioning blocks on the bed head; 5-a lower bed head positioning block; 6-a lathe bed frame; 61-mattress B; 7-a bed tail frame; 71-mattress C; 8-bed tail positioning clamping groove; 9-tensioning the spring; 10-bed board; 11-bed board mounting sleeve; 12-left caster combination; 13-right caster combination; 14-a long hinge; 15-base frame; 16-a bed leg; 17-a caster mount; 18-3 inch directional wheel.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described and discussed below with reference to the accompanying drawings of the present invention, and it is obvious that only some examples, not all examples, of the present invention are described herein, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

For the convenience of understanding the embodiments of the present invention, the following detailed description will be given by way of example with reference to the accompanying drawings, and the embodiments are not limited to the embodiments of the present invention.

The embodiment 1 of the utility model refers to fig. 1, fig. 2, fig. 3, fig. 4 and shows, including head of a bed frame 3, lathe bed frame 6, tailstock frame 7, head of a bed frame 3, lathe bed frame 6, tailstock frame 7 link to each other through long hinge 14, and rotatory folding is convenient. Be provided with base frame 15 under the head of a bed frame 3, base frame 15 below is provided with 4 feet of a bed 16, base frame 15 top is provided with locating piece 5 under the head of a bed, 3 below of head of a bed frame are provided with locating piece 4 on the head of a bed, 7 below of tailstock frame are provided with truckle mounting bracket 17, be provided with 3 cun directional wheels 18 on the truckle mounting bracket 17, the size of directional wheel is not fixed, can change according to actual conditions. The bedside frame 3 is connected to the base 1 through the bedside hinge 2 of the base, and the angle of the backrest is accurately controlled during folding. Bed board installation cover 11 and straining spring 9 that distribute evenly are provided with on headstock frame 3, lathe bed frame 6, the tailstock frame 7, the cover has bed board 10 in the bed board installation cover 11, install mattress A31, mattress B61, mattress C71 on the bed board 10 of headstock frame 3, lathe bed frame 6, tailstock frame 7 respectively, tailstock positioning groove 8 is provided with to the bed board 10 below of tailstock frame 7.

When the sofa is folded, the sofa functions, at the moment, the two bed tail positioning clamping grooves 8 on the bed tail frame 7 are clamped on the pipe of the base 1, and the front two 3-inch directional wheels 18 are separated from the ground, so that the folding sofa bed is very stable. The bed frame 3 and the bed frame 6 can be designed into a required angle according to the requirements of users and used as a backrest. The bed tail positioning clamping groove 8 ensures the stability of the folding sofa bed, namely the folding sofa bed can not be pulled out and unfolded when the bed tail frame 7 is not lifted.

When the sofa needs to be unfolded, the bed tail frame 7 can be slightly lifted (can be pulled through a handle) and pulled outwards, when the positioning block 4 on the bed head presses the positioning block 5 under the bed head, the unfolding is finished, the sofa becomes a bed, at the moment, 4 3 inch directional wheels 18 are all in contact with the ground, the bed head frame 3 and the bed body frame 6 form an angle, and the size of the angle can be determined according to the shape of the mattress.

When the folding bed is required, the bed body frame 6 only needs to be lifted slightly, the bed head frame 3 and the bed body 6 are pulled up and folded to a set angle under the action of the bed head tensioning spring 9, the bed tail frame 7 is pulled back simultaneously, and the bed tail positioning clamping groove 8 is clamped on the base pipe.

When the multifunctional bed is in an unfolded state, the function is that the bed is used, the bed head upper positioning block 4 is pressed in the bed head lower positioning block 5, the long hinge 14 extends, and the bed head frame 3, the bed body frame 6 and the mattress A31, the mattress B61 and the mattress C71 on the bed tail frame 7 are positioned on the same level, so that the three flat cushions are flat.

Finally, it should be noted that: the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the technical solution of the present invention, and the protection scope of the present invention is not limited thereto, although the present invention is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: those skilled in the art can still modify or easily conceive of changes in the technical solutions described in the foregoing embodiments or make equivalent substitutions for some technical features within the technical scope of the present disclosure; such modifications, changes or substitutions do not substantially depart from the spirit and scope of the embodiments of the present invention, and are intended to be included within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a folding sofa bed, includes base (1), head of a bed frame (3), lathe bed frame (6), tailstock frame (7), mattress, base (1) includes base frame (15), four footbeds (16), tailstock frame (7) below is provided with left truckle combination (12), right truckle combination (13), be provided with mattress A (31) on head of a bed frame (3), lathe bed frame (6) are provided with mattress B (61), tailstock frame (7) are provided with mattress C (71), its characterized in that: a lower bed head positioning block (5) is arranged on the base (1), an upper bed head positioning block (4) is arranged below the bed head frame (3), the bed head frame (3), the bed body frame (6) and the bed tail frame (7) are connected through a long hinge (14), a bedside hinge (2) is arranged between the bedside frame (3) and the base (1), the bed tail frame (7), the bed body frame (6) and the bed head frame (3) comprise a frame body, a bed board (10) and a bed board mounting sleeve (11), the bed board (10) is positioned in the bed board mounting sleeve (11), the bed board mounting sleeve (11) is uniformly distributed on the bed tail frame (7), the bed body frame (6) and the bed head frame (3), two bed tail positioning clamping grooves (8) are formed in the bed tail frame (7), and the left caster combination (12) and the right caster combination (13) are fixedly connected with the bed tail frame (7);

when folding: the bed tail positioning clamping groove (8) is clamped on a pipe of the base (1), two front caster wheels of four caster wheels of the left caster wheel combination (12) and the right caster wheel combination (13) are separated from the ground, the bed head frame (3) and the bed body frame (6) are folded together to serve as a backrest, and the angle between the backrest and the bed tail frame (7) is controlled through the bed head hinge (2);

when the device is unfolded: the bed head upper positioning block (4) is pressed in the bed head lower positioning block (5), and at the moment, the left caster combination (12) and the right caster combination (13) are in contact with the ground.

2. A folding sofa bed according to claim 1, wherein: the section of the mattress C (71) is rectangular, the section of the mattress A (31) and the section of the mattress B (61) are right trapezoid, and the long hinge (14) enables the bed frame (3) and the bed frame (6) to form an angle.

3. A folding sofa bed according to claim 2, wherein: the distance between the bed foot (16) of the base frame (15) and the edge of the base is greater than the distance between the left caster combination (12) and the right caster combination (13) of the bed tail frame (7) and the edge of the bed tail frame (7).

4. A folding sofa bed according to claim 3, wherein: tensioning springs (9) are arranged on the lathe head frame (3) and the lathe bed frame (6), when the folding lathe is required, the lathe bed frame (6) is lifted upwards, and under the action of the tensioning springs (9), the lathe tail frame (7) is translated into the base (1).

5. A folding sofa bed according to claim 1, wherein: left side truckle combination (12), right side truckle combination (13) comprise truckle mounting bracket (17), 3 cun directional wheels (18), left side truckle combination (12), right side truckle combination (13) are as an organic whole through screw and tailstock (7) fixed connection.

6. A folding sofa bed according to claim 5, wherein: when the bed tail frame needs to be unfolded, the caster mounting rack (17) is lifted, so that the bed tail positioning clamping groove (8) is separated from the tube of the base (1), and the bed tail frame (7) is horizontally pulled out from the base frame (15) to be unfolded.

7. A folding sofa bed according to claim 1 or 4 or 6, characterised in that: the rotation angle of the bed head hinge (2) is 0-180 degrees.