WO2020082697A1

WO2020082697A1 - 180 degree flipping hidden sofa bunk bed

Info

Publication number: WO2020082697A1
Application number: PCT/CN2019/082872
Authority: WO
Inventors: 黄玉华
Original assignee: 汕头市华翔家具有限公司
Priority date: 2018-10-24
Filing date: 2019-04-16
Publication date: 2020-04-30
Also published as: CN109124154A

Abstract

The present invention relates to the technical field of multi-functional sofas, and specifically relates to a 180 degree flipping hidden sofa bunk bed, comprising an upper sofa base and a lower sofa base, wherein a mounting frame is arranged inside the lower sofa base, and a lower bed frame lifting connecting rod is fitted in the mounting frame, characterized in that an extendable lower bed frame is provided in the mounting frame; a flipping linkage is linked to the lower bed frame lifting linkage; and the extendable lower bed frame comprises a lower bed frame and an extendable bed frame, with the extendable bed frame being rectangular C-shaped, and slidably mounting rods at two sides of the extendable bed frame being mounted in sliding channels at front and rear ends of the lower bed frame. The present invention is advantageous in that the structure of a lower bed is improved, and an extendable telescopic mechanism is additionally provided, thereby increasing the area on which to lie flat of the unfolded lower bed, being safer and having a good protective performance. The sofa bunk bed is light in weight and easy to carry, and has a high strength and a long service life. By means of a simple pull-up and flipping operation, the sofa bunk bed can be transformed between a sofa and a bunk bed, thereby being simple in operation, saving on space, and being suitable for small-sized houses.

Description

180-degree flip invisible sofa bunk bed

Technical field

The invention relates to the technical field of multifunctional sofas, in particular to a 180-degree flip invisible sofa bunk bed.

Background technique

After the existing sofa bed is turned over, the lower bed is lifted up with the turning mechanism, but due to the fixed size of the lower bed, a large gap of 20-30 cm will be generated between the lower bed and the inner edge of the sofa after the lower bed is lifted. Moreover, the width of the lower bed is small, and the user is likely to fall into the gap when the bed is turned sideways, there are certain hidden safety risks, especially children and children are more likely to fall when using it, and accidents occur at the same time. When the parts are welded and connected, welding seams and burrs will appear at the welded joints. It is easy to break the bed sheets and covers during use. If the human body touches it, it may cause the user's skin to be scratched.

Summary of the invention

The purpose of the present invention is to provide a 180-degree flip invisible sofa bunk bed that can effectively solve the problems in the prior art.

The present invention is realized in the following ways:

A 180-degree flip invisible extension sofa bunk bed, which comprises an upper sofa seat and a lower sofa seat, the upper sofa seat and the lower sofa seat are connected by a flip link, the upper part of the upper sofa seat is provided with an upper bed frame, and the upper sofa seat A folding ladder is provided on the outside, and a mounting frame is provided in the lower sofa seat. The mounting frame is provided with a lower bed frame lifting link, which is characterized in that the mounting frame is provided with an extended lower bed frame, and the extended lower bed frame passes through the lower bed frame The lifting link is installed in the installation frame, and the flip link is linked with the lifting link of the lower bed frame. The extended lower bed frame includes a lower bed frame and an extended bed frame. The extended bed frame is a "匚" type, and the extended bed frame slides on both sides. The installation rod is installed in the sliding grooves at the front and rear ends of the lower bed frame, and the extended bed frame is connected and installed on the installation frame through the telescopic linkage mechanism of the lower bed frame. The telescopic linkage mechanism of the lower bed frame is composed of a chute and a sliding mechanism. In the installation frame, the rear end of the sliding mechanism is installed in the sliding hole in the middle of the sliding groove, and the rear end of the sliding mechanism is installed with a sliding bearing, and the sliding bearing There are two rows respectively installed at the front and back of the sliding wall of the chute, the sliding bearing is attached to the surface of the chute, the front end of the sliding mechanism is provided with a connecting rod, the front end of the connecting rod is provided with threads, and the front end of the connecting rod passes through the extended bed frame The through hole of the combination of the extended bed frame and the lower bed frame telescopic linkage mechanism through the limit nut.

Further, the extended bed frame is provided with a plurality of extended bed plates, one end of the extended bed plate is fixed on the frame of the extended bed frame, and the other end of the extended bed plate is inserted into the lower bed frame through the mounting hole on the frame on the side of the lower bed frame close to the extended bed frame.

Further, the welding points of the upper sofa seat and the lower sofa seat are provided with a scratch-proof protective sleeve.

Further, the step of the folding ladder is that both ends of the stainless steel pipe are installed in a plastic sleeve.

Further, the extended lower bed frame is provided with a folding mattress. The folding mattress is divided into a fixed portion and a folded portion, and the length and width of the fixed portion are equal to the length and width of the lower bed frame.

Further, the installation frame, the extended lower bed frame and the upper bed frame are stainless steel.

The advantages of a 180-degree flip invisible sofa bunk bed provided by the invention are:

1. The structure of the lower bed is improved, the extension and expansion mechanism is added, the lying area of the lower bed after expansion is increased, and the problem of leaving a gap after the conversion of the existing sofa bed is solved, which is safer and has better protection performance.

2 The entire sofa frame is made of all stainless steel, light weight, easy to carry, high strength, long service life and exquisite appearance.

3 Scratch protection sleeves are set at the welding points of the sofa frame, which improves safety performance.

4. Through simple pull-up and flip operation, it can realize the conversion between sofa and bunk bed. It is easy to operate, multi-purpose, save space, and is suitable for small-sized houses.

BRIEF DESCRIPTION

Figure 1 is a schematic diagram of the structure of the present invention;

2 is a schematic view of the side structure of the present invention;

3 is a schematic view of the structure of the extended lower bed frame of the present invention;

4 is an enlarged schematic view of the structure of the A site of the present invention;

5 is a schematic structural view of the telescopic linkage mechanism of the lower bed frame of the present invention;

FIG. 6 is a schematic diagram of the changing process of the extended lower bed frame of the present invention;

7 is a schematic diagram of the unfolded structure of the present invention;

FIG. 8 is a schematic diagram of the unfolded side view structure of the present invention;

9 is a schematic structural view of the folding mattress of the present invention.

detailed description

In order to enable the examination committee to have a better understanding of the purpose, features and functions of the present invention, the following is a further description of the present invention in conjunction with the drawings:

Please refer to FIGS. 1-9, which are schematic structural diagrams of the present invention. The present invention is a 180-degree flip invisible extension sofa bunk bed, which includes an upper sofa seat 1 and a lower sofa seat 2, and an upper sofa seat 1 and a lower The sofa seat 2 is connected by a flip link 3. The lower part of the upper sofa seat 1 is provided with an upper bed frame 10, a folding ladder 9 is provided outside the upper sofa seat 1, a mounting frame 21 is provided in the lower sofa seat 2, and the mounting frame 21 is provided The lower bed frame lifting link 5 is characterized in that, as shown in FIGS. 1-3, the installation frame 21 is provided with an extended lower bed frame 4 which is installed on the lower bed frame lifting link 5 at In the installation frame 21, the flip link 3 and the lower bed frame lifting link 5 are linked, and the extended lower bed frame 4 includes a lower bed frame 42 and an extended bed frame 41. The extended bed frame 41 is of a "匚" type and the extended bed frame 41 The sliding mounting rods 43 on both sides are installed in the sliding grooves 44 at the front and rear ends of the lower bed frame 42, and the extended bed frame 41 is connected and installed on the mounting frame 21 through the lower bed frame telescopic linkage mechanism 6, as shown in FIGS. The mechanism 6 is composed of a chute 61 and a sliding mechanism 62, the chute 61 Straightly installed in the mounting frame 21, the rear end of the sliding mechanism 62 is installed in the sliding hole 63 in the middle of the sliding groove 61, the rear end of the sliding mechanism 62 is installed with a sliding bearing 67, the sliding bearing 67 is provided with two rows respectively Mounted on the front and back of the sliding wall 66 of the sliding groove 61, the sliding bearing 67 is in contact with the surface of the sliding groove 61, a connecting rod 64 is provided at the front end of the sliding mechanism 62, a thread is provided at the front end of the connecting rod 64, and the front end of the connecting rod 64 The through-hole 45 passing through the extended bed frame 41 connects the extended bed frame 41 to the telescopic linkage mechanism 6 of the lower bed frame through a limit nut 65.

When changing from the sofa to the bunk bed form, the upper sofa base 1 is lifted up and turned over, and the extended lower bed frame 4 is driven to move through the flip link 3, and the extended lower bed frame 4 is extended upward through the lifting link 5 of the lower bed frame, and slides The mechanism 62 moves vertically upwards along the chute 61 fixed on the mounting frame 21, and simultaneously drives the extended bed frame 41 to move vertically upward, and the lower bed frame 42 moves forward under the drive of the lower bed frame lifting link 5, the extended lower bed frame 4 Slowly expand until the upper sofa base 1 is completely turned and locked, and the extended lower bed frame 4 is also completed. After expansion, the extended bed frame 41 fills the gap between the lower bed frame 42 and the mounting frame 21, increasing the lying area of the lower bed frame. The safety has been effectively improved, fully automatic deployment, no human assistance, and the operation is more convenient.

Further, as shown in FIG. 3, the extended bed frame 41 is provided with a plurality of extended bed plates 46, one end of the extended bed plate 46 is fixed on the frame of the extended bed frame 41, and the other end of the extended bed plate 46 passes through the lower bed frame 42 and approaches the extended bed frame 41 The mounting hole 49 on the side frame is inserted into the lower bed frame 42. There are several extended bed boards 46 in the extended bed frame 41, which can not only effectively ensure the bearing capacity of the lower bed frame, but also improve the sleeping comfort.

Further, as shown in Figs. 6-8, the upper sofa seat 1 and the lower sofa seat 2 are provided with anti-scratch protective sleeves 8 at the welding points. The anti-scratch protective sleeve 8 can play a better protective role.

Further, the step of the folding ladder 9 is that both ends of the stainless steel pipe 91 are installed in the plastic sleeve 92.

Further, as shown in FIG. 9, the extended lower bed frame 4 is provided with a folding mattress 7. The folding mattress 7 is divided into a fixed portion 71 and a folded portion 72. The length and width of the fixed portion 71 are The length and width of the lower bed frame 42 are equal. The additional folding mattress 7 can better match the structure of the extended lower bed frame 4, and it is more convenient to expand and store.

Further, the mounting frame 21, the extended lower bed frame 4, and the upper bed frame 10 are made of stainless steel, and stainless steel is used as the main material of the sofa bunk bed. On the one hand, the weight of the sofa bunk bed can be reduced, which is convenient for transportation and realization The shape of the sofa and the bunk bed are converted. On the other hand, stainless steel has a good load-bearing capacity, which can strengthen the support strength of the sofa bunk bed.

Of course, the above are only preferred embodiments of the present invention, and are not intended to limit the scope of application of the present invention. Therefore, any equivalent changes made on the principle of the present invention should be included in the protection scope of the present invention.

Claims

A 180-degree flip invisible extension sofa bunk bed, which includes an upper sofa seat (1) and a lower sofa seat (2), the upper sofa seat (1) and the lower sofa seat (2) are connected by a flip link (3), The upper sofa seat (1) is provided with an upper bed frame (10) at the lower part, a folding ladder (9) is arranged outside the upper sofa seat (1), and a mounting frame (21) is arranged in the lower sofa seat (2), and the mounting frame (21) The lower bed frame lifting link (5) is installed, and the flip link (3) is linked with the lower bed frame lifting link (5), and is characterized by:

The installation frame (21) is provided with an extended lower bed frame (4), and the extended lower bed frame (4) is installed in the installation frame (21) through the lower bed frame lifting link (5), and the extended type The bed frame (4) includes a lower bed frame (42) and an extended bed frame (41). The extended bed frame (41) is a "匚" type, and sliding mounting rods (43) on both sides of the extended bed frame (41) are installed on the lower bed frame (42) Inside the sliding grooves (44) at both ends,

The extended bed frame (41) is connected and installed on the installation frame (21) through a lower bed frame telescopic linkage mechanism (6), and the lower bed frame telescopic linkage mechanism (6) is composed of a chute (61) and a sliding mechanism (62). The chute (61) is installed vertically in the mounting frame (21),

The rear end of the sliding mechanism (62) is installed in the sliding hole (63) in the middle of the sliding groove (61). The rear end of the sliding mechanism (62) is installed with a sliding bearing (67). The sliding bearing (67) is provided with There are two rows installed on the front and back of the sliding wall (66) of the chute (61), the sliding bearing (67) is in surface contact with the sliding wall (66), and a connecting rod (64) is provided at the front end of the sliding mechanism (62) , The front end of the connecting rod (64) is provided with threads, and the front end of the connecting rod (64) passes through the through hole (45) of the extended bed frame (41), and the extended bed frame (41) is extended and contracted with the lower bed frame through a limit nut (65) The linkage mechanism (6) is combined.
The 180-degree flip invisible extension sofa bunk bed according to claim 1, characterized in that: the extension bed frame (41) is provided with an extension bed board (46), and one end of the extension bed board (46) is fixed on the extension bed frame (46) On the frame of 41), the other end of the extended bed plate (46) is inserted into the lower bed frame (42) through the mounting hole (49) on the frame on the side of the lower bed frame (42) close to the extended bed frame (41).
The 180-degree flip invisible extension sofa bunk bed according to claim 1, characterized in that: the welding points of the upper sofa seat (1) and the lower sofa seat (2) are provided with a scratch-proof protective cover ( 8).
The 180-degree flip invisible extension sofa bunk bed according to claim 1, characterized in that the step of the folding ladder (9) is a stainless steel tube (91) installed at both ends in a plastic sleeve (92).
A 180-degree flip invisible extended sofa bunk bed according to claim 1, characterized in that: the extended lower bed frame (4) is provided with a folding mattress (7), and the folding mattress (7) It is divided into a fixing portion (71) and a folding portion (72), the length and width of the fixing portion (71) are equal to the length and width of the lower bed frame (42).
The 180-degree flip invisible extended sofa bunk bed according to claim 1, characterized in that the mounting frame (21), the extended lower bed frame (4), and the upper bed frame (10) are stainless steel.