Double-motor sofa bed

By designing a dual-motor sofa bed, the frame is rotated by using the lifting drive parts to achieve the transition between the sofa state and the bed state, the problem of single function is solved, meeting the diverse needs of users and providing back support.

CN223158111UActive Publication Date: 2025-07-29HUZHOU GLORY HOME FURNISHINGS TECH CO LTD
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Patent Information

Application Number
CN202422143791.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-02
Publication Date
2025-07-29
Estimated Expiration
2034-09-02

AI Technical Summary

Technical Problem

The existing dual-motor sofa bed has a single function and cannot meet the market's diverse needs.

Method used

A dual-motor sofa bed is designed, and the first and second lifting frames are driven to rotate through the first lifting drive member and the second lifting drive member to realize the transition between the sofa state and the bed state, and provide back support in the sofa state.

Benefits of technology

It realizes flexible conversion between sofa state and bed state, meets the diverse needs of users, and provides back support function in sofa state.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a dual-motor sofa bed which comprises a first bearing frame, a second bearing frame, a first lifting assembly, a first bearing plate, a second bearing plate, a linkage frame, a third bearing plate, a second lifting assembly and a fourth bearing plate. One side of the second bearing frame is connected with one side of the first bearing frame. The first lifting assembly comprises a first lifting frame and a first lifting driving piece. The first lifting driving piece is connected with the first lifting frame. The first bearing plate is arranged on the first lifting frame. The second bearing plate is arranged on the second bearing frame. One side of the linkage frame is pivoted to the side, close to the second bearing plate, of the second bearing frame. The third bearing plate is arranged on the linkage frame. The second lifting assembly comprises a second lifting frame and a second lifting driving piece. And the second lifting driving piece is connected with the second lifting frame. The fourth bearing plate is arranged on the second lifting frame. According to the utility model, the sofa state and the bed state can be switched, and the diversified requirements of users can be met.
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Description

Technical Field

[0001] This application relates to the technical field of bedding, and particularly to a double-motor sofa bed. Background Art

[0002] With the improvement of people's living standards, electric beds have been widely used; generally, the bed board of an electric bed is composed of multiple hinged bed boards, and a bed frame is provided on the bottom surface of the bed board. By setting motors to drive the bed board to rise and fall, the need for a person to change positions while lying in bed can be met. However, most of the double-motor sofa beds on the market currently have relatively single functions and cannot meet the diverse needs of the market. Summary of the Utility Model

[0003] In order to solve the above technical problems, the embodiments of this application provide a double-motor sofa bed. The specific technical solutions are as follows:

[0004] A double-motor sofa bed is provided, which includes a first bearing frame, a second bearing frame, a first lifting assembly, a first bearing plate, a second bearing plate, a linkage frame, a third bearing plate, a second lifting assembly, and a fourth bearing plate. One side of the second bearing frame is connected to one side of the first bearing frame. The first lifting assembly includes a first lifting frame and a first lifting driving member. The first lifting frame is disposed within the first bearing frame. One side of the first lifting frame is pivotally connected to the side of the first bearing frame close to the second bearing frame. The first lifting driving member is connected to the first lifting frame. The first lifting driving member is configured to drive the first lifting frame to rotate upward around its pivotal end. The first bearing plate is disposed on the first lifting frame. The second bearing plate is disposed on the second bearing frame and is located on the side close to the first bearing frame. The second bearing plate is adjacent to the first bearing plate. One side of the linkage frame is pivotally connected to the side of the second bearing frame close to the second bearing plate, and the other side of the linkage frame extends out of the second bearing frame. The third bearing plate is disposed on the linkage frame. The third bearing plate is adjacent to the second bearing plate. The second lifting assembly includes a second lifting frame and a second lifting driving member. The second lifting frame is disposed on the side of the second bearing frame away from the first bearing frame. One side of the second lifting frame is pivotally connected to the other side of the linkage frame. The second lifting driving member is connected to the second lifting frame. The second lifting driving member is configured to drive the second lifting frame to rotate downward around its pivotal end. The fourth bearing plate is disposed on the second lifting frame. The fourth bearing plate is adjacent to the third bearing plate.

[0005] In one embodiment, it further includes: a first linkage rod, one end of which is provided with a first long hole; a first linkage plate is arranged below the linkage frame and a second long hole is arranged on the first linkage plate; one end of the first linkage rod is connected to the linkage frame through a connecting shaft passing through the first long hole and the second long hole; a second linkage plate corresponding to the first linkage plate is arranged below the second lifting frame; the other end of the first linkage rod is pivotally connected to the first linkage plate; the second lifting driving member drives the second lifting frame to rotate downward around its pivot end, thereby driving the relative movement of the first long hole and the second long hole.

[0006] In one embodiment, it further includes: a second linkage rod, one end of which is pivotally connected to the side of the second bearing frame away from the first bearing frame and is located on both sides of the second lifting frame; the other end of the second linkage rod is provided with a roller; sliding grooves extending along the length direction of the second lifting frame are arranged on both sides of the second lifting frame; the roller is located in the sliding groove.

[0007] In one embodiment, the first lifting driving member has a first telescopic rod and a first cylinder body; the first telescopic rod is pivotally connected to the side of the first bearing frame close to the second bearing frame; the first cylinder body is pivotally connected to the side of the first lifting frame away from the second bearing frame; the first lifting driving member drives the first lifting frame to rotate upward around its pivot end by driving the first telescopic rod to extend out of the first cylinder body.

[0008] In one embodiment, the first lifting driving member further has a first driving motor, and the first driving motor is arranged on the first cylinder body.

[0009] In one embodiment, the second lifting driving member has a second telescopic rod and a second cylinder body; the second telescopic rod is pivotally connected to the side of the second lifting frame close to the second bearing frame; the second cylinder body is arranged on the side of the second bearing frame close to the first bearing frame; the second lifting driving member drives the second lifting frame to rotate downward around its pivot end by driving the second telescopic rod to retract into the second cylinder body.

[0010] In one embodiment, the second lifting driving member further has a second driving motor, and the second driving motor is arranged on the second cylinder body.

[0011] In one embodiment, the upward rotation angle of the first lifting frame is between 0 - 90 degrees, and the downward rotation angle of the second lifting frame is between 0 - 90 degrees.

[0012] In one embodiment, it further includes: a plurality of leg support columns, which are arranged at the bottoms of the first bearing frame and the second bearing frame.

[0013] In one embodiment, it further includes: a plurality of enclosing frames, which are correspondingly arranged around the first bearing plate, the second bearing plate, the third bearing plate and the fourth bearing plate.

[0014] In the embodiment of the present application, the first lifting driving member drives the first lifting frame to rotate upward around its pivot end, thereby driving the first bearing plate to rise. The second lifting driving member drives the second lifting frame to rotate downward around its pivot end, causing one side of the fourth bearing plate to descend. In this way, the double-motor sofa bed is converted from the bed state to the sofa state. At the same time, there is a certain supporting angle between the first bearing plate and the second bearing plate, which provides a supporting function for the user's back. Conversely, the first lifting driving member drives the first lifting frame to rotate downward around its pivot end, driving the first bearing plate to descend. The second lifting driving member drives the second lifting frame to rotate upward around its pivot end, causing one side of the fourth bearing plate to rise. In this way, the double-motor sofa bed is converted from the sofa state to the bed state. The double-motor sofa bed of the present application realizes the conversion between the sofa state and the bed state by driving with the first lifting driving member and the second lifting driving member, which can meet the diverse needs of users. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The schematic embodiments and descriptions thereof of the present application are used to explain the present application and do not constitute an improper limitation to the present application. In the drawings:

[0016] Figure 1 is a perspective view of the bed state of the double-motor sofa bed of the present application;

[0017] Figure 2 is a perspective view of the bed state of the double-motor sofa bed of the present application;

[0018] Figure 3 is a perspective view of the bed state of the iron frame of the double-motor sofa bed of the present application;

[0019] Figure 4 is a perspective view of the sofa state of the double-motor sofa bed of the present application;

[0020] Figure 5 is a perspective view of the sofa state of the double-motor sofa bed of the present application. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0021] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are some, but not all, of the embodiments of the present application. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present application without creative efforts shall fall within the protection scope of the present application.

[0022] In addition, the terms "first", "second", etc. used in this text do not particularly refer to the order or sequence, nor are they used to limit this application. They are merely used to distinguish components or operations described with the same technical terms.

[0023] Please refer to Figures 1 to 3 , Figure 1 and Figure 2 which are the three-dimensional views of the bed state of the double-motor sofa bed of this application, Figure 3 and which are the three-dimensional views of the bed state of the iron frame of the double-motor sofa bed, where Figure 2 is Figure 1 the rear view; as shown in the figure, the double-motor sofa bed 1 of this embodiment includes a first bearing frame 2, a second bearing frame 3, a first lifting assembly 4, a first bearing plate 5, a second bearing plate 6, a linkage frame 7, a third bearing plate 8, a second lifting assembly 9, and a fourth bearing plate 10. One side of the second bearing frame 3 is connected to one side of the first bearing frame 2. In this embodiment, both the first bearing frame 2 and the second bearing frame 3 are rectangular frames, and the right side of the first bearing frame 2 is connected to the left side of the second bearing frame 3. The first lifting assembly 4 includes a first lifting frame 41 and a first lifting driving member 42. The first lifting frame 41 is disposed within the first bearing frame 2. One side of the first lifting frame 41 is pivotally connected to the side of the first bearing frame 2 close to the second bearing frame 3. As Figure 3 shown, the right side of the first lifting frame 41 is pivotally connected to the right side of the first bearing frame 2. The first lifting driving member 42 is connected to the first lifting frame 41. The first lifting driving member 42 is configured to drive the first lifting frame 41 to rotate upward about its pivotal end. In this embodiment, the upward rotation angle of the first lifting frame 41 is between 0 - 90 degrees. The first bearing plate 5 is disposed on the first lifting frame 41. The first bearing plate 5 can be fixed to the first lifting frame 41 by screws.

[0024] Please refer to Figure 4 and Figure 5 which are the three-dimensional views of the sofa state of the double-motor sofa bed of this application, where Figure 5 is Figure 4 the rear view; as shown in the figure, when the first lifting frame 41 rotates upward about its pivotal end, the first lifting frame 41 will drive one side of the first bearing plate 5 to rise, making the first bearing plate 5 have a certain support angle, forming the back support structure of the sofa, and being able to support the back of the user. The second bearing plate 6 is disposed on the second bearing frame 3. The second bearing plate 6 can be fixed to the second bearing frame 3 by screws. The second bearing plate 6 is located on the side close to the first bearing frame 2, and the second bearing plate 6 is adjacent to the first bearing plate 5, as Figure 1As shown, the second bearing plate 6 is located on the right side of the first bearing plate 5. One side of the linkage frame 7 is pivotally connected to one side of the second bearing frame 3 close to the second bearing plate 6, and the other side of the linkage frame 7 extends out of the second bearing frame 3, as Figure 3 shown, the right side of the first lifting frame 41 is pivotally connected to the right side of the first bearing frame 2. The third bearing plate 8 is arranged on the linkage frame 7. The third bearing plate 8 can be fixed to the linkage frame 7 by screws. The third bearing plate 8 is adjacent to the second bearing plate 6, as Figure 1 shown, the third bearing plate 8 is located on the right side of the second bearing plate 6.

[0025] Refer back to Figure 2 and Figure 5 shown, the second lifting assembly 9 includes a second lifting frame 91 and a second lifting driving member 92. The second lifting frame 91 is arranged on the side of the second bearing frame 3 away from the first bearing frame 2. One side of the second lifting frame 91 is pivotally connected to the other side of the linkage frame 7, as Figure 2 shown, the second lifting frame 91 is located on the right side of the second bearing frame 3, and the left side of the second lifting frame 91 is pivotally connected to the right side of the second bearing frame 3. The second lifting driving member 92 is connected to the second lifting frame 91. The second lifting driving member 92 is configured to drive the second lifting frame 91 to rotate downward around its pivotal end. In this embodiment, the downward rotation angle of the second lifting frame 91 is between 0 - 90 degrees. The fourth bearing plate 10 is arranged on the second lifting frame 91. The fourth bearing plate 10 can be fixed to the second lifting frame 91 by screws. The fourth bearing plate 10 is adjacent to the third bearing plate 8. When the second lifting frame 91 rotates downward around its pivotal end, the second lifting frame 91 will drive one side of the first bearing plate 5 to descend, forming the front structure of the sofa.

[0026] Refer back to Figure 1 and Figure 2 shown, in the initial state / bed state of the double - motor sofa bed 1 of this embodiment, the upper surfaces of the first bearing plate 5, the second bearing plate 6, the third bearing plate 8 and the fourth bearing plate 10 are on the same surface. Please refer to Figure 4 and Figure 5As shown, when the double-motor sofa bed 1 is converted from the bed state to the sofa state, the first lifting driving member 42 drives the first lifting frame 41 to rotate upward around its pivoting end, driving the first bearing plate 5 to rise. At the same time, the second lifting driving member 92 drives the second lifting frame 91 to rotate downward around its pivoting end, causing one side of the fourth bearing plate 10 to descend. In this way, the conversion of the double-motor sofa bed 1 from the bed state to the sofa state is achieved. Conversely, the first lifting driving member 42 drives the first lifting frame 41 to rotate downward around its pivoting end, driving the first bearing plate 5 to descend, and the second lifting driving member 92 drives the second lifting frame 91 to rotate upward around its pivoting end, causing one side of the fourth bearing plate 10 to rise. In this way, the conversion of the double-motor sofa bed 1 from the sofa state to the bed state is achieved. The double-motor sofa bed 1 of this embodiment is driven by the first lifting driving member 42 and the second lifting driving member 92 to achieve the conversion between the sofa state and the bed state, which can meet the diverse needs of users.

[0027] Refer back to Figure 2 As shown, in this embodiment, the double-motor sofa bed 1 further includes a first linkage rod 11. One end of the first linkage rod 11 is provided with a first long hole 111. Below the linkage frame 7, a first linkage plate 71 and a second long hole 711 located on the first linkage plate 71 are provided. The first linkage plate 71 is parallel to the second bearing frame 3 and is perpendicularly connected to the linkage frame 7. One end of the first linkage rod 11 is connected to the linkage frame 7 through a connecting shaft (not shown in the figure) passing through the first long hole 111 and the second long hole 711. Below the second lifting frame 91, a second linkage plate 911 corresponding to the first linkage plate 71 is provided. The second linkage plate 911 is parallel to the second bearing frame 3 and is perpendicularly connected to the second lifting frame 91. The other end of the first linkage rod 11 is pivotally connected to the first linkage plate 71. The second lifting driving member 92 drives the second lifting frame 91 to rotate downward around its pivoting end, driving the relative movement of the first long hole 111 and the second long hole 711.

[0028] Refer back to Figure 2 and Figure 5As shown, in this embodiment, the dual-motor sofa bed 1 further includes a second linkage rod 12. One end of the second linkage rod 12 is pivotally connected to the side of the second bearing frame 3 away from the first bearing frame 2 and is located on both sides of the second lifting frame 91. The other end of the second linkage rod 12 is provided with a roller 121. Both sides of the second lifting frame 91 are provided with chutes 912 extending along the length direction of the second lifting frame 91. The roller 121 is located in the chute 912. When the dual-motor sofa bed 1 is in the bed state, the roller 121 at the other end of the second linkage rod 12 is located on the side of the chute 912 close to the second bearing frame 3, providing a certain supporting effect on the second lifting frame 91. When the dual-motor sofa bed 1 is converted from the bed state to the sofa state, the roller 121 at the other end of the second linkage rod 12 moves to the side of the chute 912 away from the second bearing frame 3 until it abuts against the end of the chute 912, playing a role in limiting the rotation angle of the second lifting frame 91.

[0029] Refer back to Figure 1 With Figure 2 As shown, in this embodiment, the dual-motor sofa bed 1 further includes a plurality of leg support columns 13. The plurality of leg support columns 13 are arranged at the bottoms of the first bearing frame 2 and the second bearing frame 3. The plurality of leg support columns 13 provide a supporting effect on the dual-motor sofa bed 1. The dual-motor sofa bed 1 further includes a plurality of enclosing frames 14. The plurality of enclosing frames 14 are correspondingly arranged around the first bearing plate 5, the second bearing plate 6, the third bearing plate 8, and the fourth bearing plate 10. The plurality of enclosing frames 14 are located outside the first bearing frame 2 and the second bearing frame 3, playing a role in shielding the connection structures of each part above the first bearing frame 2 and the second bearing frame 3.

[0030] The structures of the first lifting driving member 42 and the second lifting driving member 92 of this embodiment will be described in detail below. Refer back to Figure 2 With Figure 4 As shown, the first lifting driving member 42 has a first telescopic rod 421 and a first cylinder body 422. The first telescopic rod 421 is pivotally connected to the side of the first bearing frame 2 close to the second bearing frame 3. The first cylinder body 422 is pivotally connected to the side of the first lifting frame 41 away from the second bearing frame 3. The first lifting driving member 42 drives the first lifting frame 41 to rotate upward around its pivot end by driving the first telescopic rod 421 to extend out of the first cylinder body 422. The first lifting driving member 42 further has a first driving motor 423, and the first driving motor 423 is arranged on the first cylinder body 422. The first driving motor 423 drives the first telescopic rod 421 to extend or retract from the first cylinder body 422.

[0031] Refer back to Figure 2 With Figure 5As shown in the figure, the second lifting drive member 92 has a second telescopic rod 921 and a second cylinder block 922. The second telescopic rod 921 is pivotally connected to the side of the second lifting frame 91 close to the second bearing frame 3. The second cylinder block 922 is arranged on the side of the second bearing frame 3 close to the first bearing frame 2. The second lifting drive member 92 drives the second lifting frame 91 to rotate downward around its pivotal end by driving the second telescopic rod 921 to retract into the second cylinder block 922. The second lifting drive member 92 further has a second drive motor 923, and the second drive motor 923 is arranged on the second cylinder block 922. The second drive motor 923 drives the second telescopic rod 921 to extend or retract into the second cylinder block 922.

[0032] In summary, the present application provides a double-motor sofa bed. The first lifting drive member drives the first lifting frame to rotate upward around its pivotal end to drive the first bearing plate to rise, and the second lifting drive member drives the second lifting frame to rotate downward around its pivotal end to drive one side of the fourth bearing plate to descend. In this way, the double-motor sofa bed is converted from the bed state to the sofa state. At the same time, there is a certain support angle between the first bearing plate and the second bearing plate, which plays a supporting function for the user's back. On the contrary, the first lifting drive member drives the first lifting frame to rotate downward around its pivotal end to drive the first bearing plate to descend, and the second lifting drive member drives the second lifting frame to rotate upward around its pivotal end to drive one side of the fourth bearing plate to rise. In this way, the double-motor sofa bed is converted from the sofa state to the bed state. The double-motor sofa bed of the present application realizes the conversion between the sofa state and the bed state through the first lifting drive member and the second lifting drive member, and can meet the diverse needs of users.

[0033] It should be noted that in this article, the terms "include", "comprise" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements but also includes other elements not expressly listed, or further includes elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "including a..." does not exclude the existence of additional identical elements in the process, method, article or device including the element.

[0034] The embodiments of the present application have been described above in conjunction with the accompanying drawings. However, the present application is not limited to the above specific embodiments. The above specific embodiments are merely illustrative and not restrictive. Under the inspiration of the present application, those of ordinary skill in the art can also make many forms without departing from the purpose of the present application and the scope protected by the claims, and all of them belong to the protection scope of the present application.

Claims

1. A double-motor sofa bed, characterized in that, Comprising: A first bearing frame; A second bearing frame, one side of which is connected to one side of the first bearing frame; A first lifting assembly, including a first lifting frame and a first lifting driving member. The first lifting frame is arranged inside the first bearing frame. One side of the first lifting frame is pivotally connected to the side of the first bearing frame close to the second bearing frame. The first lifting driving member is connected to the first lifting frame, and the first lifting driving member is configured to drive the first lifting frame to rotate upward around its pivotal end; A first bearing plate, arranged on the first lifting frame; A second bearing plate, arranged on the second bearing frame and located on the side close to the first bearing frame. The second bearing plate is adjacent to the first bearing plate; A linkage frame, one side of which is pivotally connected to the side of the second bearing frame close to the second bearing plate, and the other side of the linkage frame extends out of the second bearing frame; A third bearing plate, arranged on the linkage frame. The third bearing plate is adjacent to the second bearing plate; A second lifting assembly, including a second lifting frame and a second lifting driving member. The second lifting frame is arranged on the side of the second bearing frame away from the first bearing frame. One side of the second lifting frame is pivotally connected to the other side of the linkage frame. The second lifting driving member is connected to the second lifting frame, and the second lifting driving member is configured to drive the second lifting frame to rotate downward around its pivotal end; A fourth bearing plate, arranged on the second lifting frame. The fourth bearing plate is adjacent to the third bearing plate.

2. The double-motor sofa bed according to claim 1, wherein, Further comprising: A first linkage rod, with a first long hole provided at one end. A first linkage plate and a second long hole located on the first linkage plate are provided below the linkage frame. One end of the first linkage rod is connected to the linkage frame by a connecting shaft passing through the first long hole and the second long hole. A second linkage plate corresponding to the first linkage plate is provided below the second lifting frame. The other end of the first linkage rod is pivotally connected to the first linkage plate. The second lifting driving member drives the second lifting frame to rotate downward around its pivotal end, thereby driving the relative movement of the first long hole and the second long hole.

3. The double-motor sofa bed according to claim 1, characterized in that, Further comprising: A second linkage rod, one end of which is pivotally connected to the side of the second bearing frame away from the first bearing frame and is located on both sides of the second lifting frame. The other end of the second linkage rod is provided with a roller. Slide grooves extending along the length direction of the second lifting frame are provided on both sides of the second lifting frame. The roller is located in the slide groove.

4. The double-motor sofa bed according to claim 1, characterized in that, The first lifting driving member has a first telescopic rod and a first cylinder body. The first telescopic rod is pivotally connected to the side of the first bearing frame close to the second bearing frame. The first cylinder body is pivotally connected to the side of the first lifting frame away from the second bearing frame. The first lifting driving member drives the first lifting frame to rotate upward around its pivotal end by driving the first telescopic rod to extend out of the first cylinder body.

5. The double-motor sofa bed according to claim 4, wherein, The first lifting drive member further has a first drive motor, and the first drive motor is disposed on the first cylinder block.

6. The double-motor sofa bed according to claim 1, wherein, The second lifting drive member has a second telescopic rod and a second cylinder block. The second telescopic rod is pivotally connected to a side of the second lifting frame close to the second bearing frame, and the second cylinder block is disposed on a side of the second bearing frame close to the first bearing frame. The second lifting drive member drives the second lifting frame to rotate downward around its pivot end by driving the second telescopic rod to retract into the second cylinder block.

7. The double-motor sofa bed according to claim 6, characterized in that, The second lifting drive member further has a second drive motor, and the second drive motor is disposed on the second cylinder block.

8. The double-motor sofa bed according to claim 1, characterized in that, The upward rotation angle of the first lifting frame is between 0 and 90 degrees, and the downward rotation angle of the second lifting frame is between 0 and 90 degrees.

9. The double-motor sofa bed according to claim 1, characterized in that, Further included are: A plurality of leg support columns, which are disposed at the bottoms of the first bearing frame and the second bearing frame.

10. The double-motor sofa bed according to claim 1, wherein Further included are: A plurality of enclosing frames, which are correspondingly disposed around the first bearing plate, the second bearing plate, the third bearing plate, and the fourth bearing plate.