Adjusting frame and sofa with same

Abstract

When the adjusting frame and the sofa with the adjusting frame are installed, a connecting rod and a driving end of a driving mechanism are connected with the bottom of a sofa cushion, so that the sofa cushion and a base frame are movably assembled, and the adjustable function of the sofa cushion is realized; the linkage frame is connected with the sofa backrest, so that the adjustable function of the sofa backrest is realized, a user can adjust the sofa cushion by himself according to the sitting posture requirement, and the sofa backrest is correspondingly and automatically adjusted along with the sofa cushion. When in use, the sofa is matched with a control system, such as sound control, remote control or switch control, especially the sound control system, so that the sofa is more intelligent, meets the requirements of the society for smart home, is practical, contributed and valuable to the society and consumers, and effectively meets the intelligent requirements of hundreds of millions of consumers for furniture. The whole structure is simple, the stability of the roller structure matched with the connecting rod is high, the sofa backrest is adjusted in a linkage manner without additional adjustment, and the whole sofa backrest is formed by detachably assembling various parts and is convenient to transport and maintain.

Description

Technical Field

[0001] This utility model relates to the field of furniture, and in particular to an adjustable frame and a sofa having the same. Background Technology

[0002] Sofas are a common piece of furniture in people's daily lives, whether at home or in the office. As living standards improve, people have more and more functional needs for sofas. For example, people need sofas with adjustable seating posture.

[0003] Most existing sofas are fixed installations, and the fixed posture can easily cause back pain for users after a long time. At the same time, when adjusting the posture, users often have nowhere to put their feet, or if they put them on ordinary footrests, the footrests will move, affecting the user's experience.

[0004] Therefore, the applicant believes there is an urgent need to develop an adjustable frame that allows users to easily adjust their sitting posture, and a sofa that incorporates this feature. Utility Model Content

[0005] The main purpose of this utility model is to provide an adjustable frame and a sofa with it, which is designed to make it easier for users to adjust their sitting posture.

[0006] To achieve the above objectives, this utility model proposes an adjustment frame, comprising:

[0007] Base frame;

[0008] A movable frame for connecting to a sofa cushion, the movable frame being movably mounted on the base frame and capable of reciprocating back and forth relative to the base frame, thereby realizing the reciprocating back and forth movement of the sofa cushion;

[0009] A linkage frame for connecting to a sofa backrest, the linkage frame includes a first connecting arm and a second connecting arm that are hinged together. The free end of the first connecting arm is pivotally connected to the base frame, and the free end of the second connecting arm is pivotally connected to the movable frame. The included angle formed between the first connecting arm and the second connecting arm can expand or shrink as the movable frame reciprocates back and forth.

[0010] A drive mechanism, located on the base frame, is used to drive the sofa cushion to perform the back-and-forth reciprocating motion.

[0011] Preferably, the base frame is provided with a first support plate for pivoting the free end of the first connecting arm. The first support plate is provided with a first limiting member at a position above the free end of the first connecting arm. The first connecting arm can swing relative to the base frame between positions that are against and away from the first limiting member.

[0012] Preferably, the movable frame is provided with a second support plate for pivoting the free end of the second connecting arm. The second support plate is provided with a second limiting member at a position below the free end of the second connecting arm. The second connecting arm can swing relative to the movable frame between positions that abut against and move away from the second limiting member.

[0013] Preferably, the driving mechanism includes a motor and a lead screw structure. The rotating end of the motor is connected to the lead screw structure and can drive the moving block of the lead screw structure to perform linear reciprocating motion through the rotation of the rotating end. The moving block is used to be fixedly connected to the moving frame or sofa cushion.

[0014] Preferably, the base frame is provided with a roller structure, the movable frame includes a pair of spaced-apart connecting rods, the connecting rods are movably sleeved on the roller structure, the roller structure has multiple sets, distributed at intervals along the movement direction of the connecting rods, the roller structure includes a pivotable upper wheel and a lower wheel, the connecting rod has a hollow structure with a C-shaped cross section, the upper wheel is located inside the connecting rod and rolls with the inner wall of the connecting rod, and the lower wheel rolls with the outer bottom wall of the connecting rod.

[0015] Preferably, the opening on the side of the connecting rod is bent to form a limiting part to prevent the upper wheel from disengaging from the inside of the connecting rod through the side opening.

[0016] Preferably, the connecting rod is open at both ends, and the upper wheel enters the connecting rod through the end opening of the connecting rod.

[0017] Preferably, the drive end and connecting rod of the drive mechanism are directly fixedly connected to the sofa cushion, or the drive end and connecting rod of the drive mechanism are jointly connected to a connector for fixed connection with the sofa cushion.

[0018] Preferably, the base frame is a frame structure formed by connecting multiple strip components and detachably fixing them with screws or buckles, and the drive mechanism is located inside the frame structure.

[0019] This utility model also proposes a sofa, including an adjustment frame, wherein the adjustment frame is the aforementioned adjustment frame.

[0020] This utility model mainly includes a drive mechanism, a base frame, a movable frame, and a linkage frame that works in conjunction with the movable frame. The movable frame includes a pair of spaced-apart connecting rods. A roller structure is provided on the base frame, and the connecting rods are movably mounted on the base frame via the roller structure, allowing them to reciprocate back and forth relative to the base frame via the drive mechanism. The linkage frame includes a first connecting arm and a second connecting arm hinged together. The free end of the first connecting arm is pivotally connected to the base frame, and the free end of the second connecting arm is pivotally connected to the movable frame. The free ends of both arms can swing between near and far positions as the movable frame moves. During installation, the connecting rods and the drive end of the drive mechanism can be directly or indirectly connected to the bottom of the sofa cushion, enabling the movable assembly of the sofa cushion and the base frame, thus achieving the adjustable function of the sofa cushion. Connecting the linkage frame to the sofa backrest enables the adjustable function of the sofa backrest. Users can adjust the sofa cushion according to their sitting posture, and the sofa backrest will automatically adjust accordingly. When used with a control system, such as voice control, remote control, or switch control, especially the voice control system, the sofa becomes more intelligent, meeting society's demand for smart homes. It is practical, valuable, and contributes to society and consumers, effectively satisfying the intelligent furniture needs of millions of consumers. The overall structure is simple, with a roller structure and connecting rods providing high stability. The sofa backrest adjusts in tandem, eliminating the need for separate adjustments. The entire unit is composed of multiple detachable and assembleable parts, facilitating transportation and maintenance. Attached Figure Description

[0021] Figure 1 A 3D view of the adjustment frame;

[0022] Figure 2 This is a schematic diagram of the moving frame after it has moved.

[0023] Figure 3 Exploded view of the adjustment frame;

[0024] Figure 4 This is a diagram illustrating the adjustment effects of the sofa. Detailed Implementation

[0025] The technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. Based on the embodiments of this utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of this utility model.

[0026] It should be noted that if any directional indication (such as up, down, left, right, front, back, top, bottom, inside, outside, vertical, horizontal, longitudinal, counterclockwise, clockwise, circumferential, radial, axial, etc.) is involved in the embodiments of this utility model, the directional indication is only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indication will also change accordingly.

[0027] Furthermore, if the embodiments of this utility model involve descriptions such as "first" or "second," such descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, features defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or impossible to implement, such a combination of technical solutions should be considered non-existent and not within the scope of protection claimed by this utility model.

[0028] This utility model proposes an adjustment frame.

[0029] In this embodiment of the utility model, such as Figures 1 to 3 As shown, the adjustment bracket includes:

[0030] Base frame;

[0031] A movable frame for connecting to a sofa cushion, the movable frame being mounted on the base frame and capable of reciprocating back and forth relative to the base frame, thereby enabling the sofa cushion to reciprocate back and forth.

[0032] A linkage frame for connecting to a sofa backrest, the linkage frame includes a first connecting arm 01 and a second connecting arm 02 hinged together. The free end of the first connecting arm 01 is pivotally connected to the base frame, and the free end of the second connecting arm 02 is pivotally connected to the movable frame. The included angle formed between the first connecting arm 01 and the second connecting arm 02 can expand or shrink as the movable frame reciprocates back and forth.

[0033] A drive mechanism, located on the base frame, is used to drive the sofa cushion to perform the back-and-forth reciprocating motion.

[0034] Specifically, the base frame is provided with a first support plate 03 for pivoting the free end of the first connecting arm 01. The first support plate 03 is provided with a first limiting member 04 at a position above the free end of the first connecting arm 01. The first connecting arm 01 can swing relative to the base frame between positions that abut against and away from the first limiting member 04.

[0035] Specifically, the movable frame is provided with a second support plate 05 for pivoting the free end of the second connecting arm 02. The second support plate 05 is provided with a second limiting member 06 at a position below the free end of the second connecting arm 02. The second connecting arm 02 can swing relative to the movable frame between positions that abut against and move away from the second limiting member 06.

[0036] Specifically, the first connecting arm 01 is also provided with a third limiting member 07. When there is no included angle between the first connecting arm 01 and the second connecting arm 02, the third limiting member 07 can abut against the second connecting arm 02 to prevent excessive movement.

[0037] Specifically, the drive mechanism includes a motor 31 and a lead screw structure. The rotating end of the motor 31 is connected to the lead screw structure and can drive the moving block 32 of the lead screw structure to perform linear reciprocating motion through the rotation of the rotating end. The moving block 32 is used to be fixedly connected to the moving frame or sofa cushion.

[0038] Specifically, the lead screw structure is existing technology, and its specific structural principle will not be elaborated here.

[0039] Specifically, the base frame is provided with a roller structure, and the movable frame includes a pair of spaced-apart connecting rods 1. The connecting rods 1 are movably sleeved on the roller structure. There are multiple sets of roller structures, which are spaced apart along the movement direction of the connecting rods 1. The roller structure includes a pivotable upper wheel 41 and a lower wheel 42. The connecting rod 1 has a hollow structure with a C-shaped cross-section. The upper wheel 41 is located inside the connecting rod 1 and rolls with the inner wall of the connecting rod 1. The lower wheel 42 rolls with the outer bottom wall of the connecting rod 1.

[0040] Specifically, the two connecting rods 1 can be set with a mirror-image interval or a non-mirror-image interval.

[0041] Specifically, the side opening of the connecting rod 1 is bent to form a limiting part 11 to prevent the upper wheel 41 from disengaging from the inside of the connecting rod 1 through the side opening of the connecting rod 1.

[0042] Specifically, there is a pair of limiting parts 11, with the two limiting parts 11 positioned vertically and facing each other.

[0043] Specifically, the base frame has multiple legs 21 that can be detachably fixed at its bottom by screws or clips.

[0044] Specifically, the connecting rod 1 is open at both ends, and the upper wheel enters the interior of the connecting rod 1 through the end opening of the connecting rod 1.

[0045] Specifically, the drive end of the drive mechanism and the connecting rod 1 are directly fixedly connected to the sofa cushion, or the drive end of the drive mechanism and the connecting rod 1 are jointly connected to a connector 5 for fixed connection with the sofa cushion.

[0046] Specifically, the base frame is a frame structure formed by connecting multiple strip-shaped components 22 and detachably fixing them with screws or buckles, and the drive mechanism is located inside the frame structure.

[0047] Specifically, there is a pair of linkage frames, spaced apart on the left and right, and a connecting rod 08 is provided. The two ends of the connecting rod 08 are respectively detachably fixed to the two first connecting arms 01 by screws or buckles.

[0048] Specifically, the two linkage frames can be set with a mirror-image interval or a non-mirror-image interval.

[0049] This utility model also proposes a sofa, including an adjustment frame. For the specific structure of the adjustment frame, please refer to the above embodiments. Since this sofa adopts all the technical solutions of all the above-mentioned adjustment frame embodiments, it has at least all the beneficial effects brought about by the technical solutions of the above-mentioned adjustment frame, which will not be described in detail here.

[0050] For specific details on the sofa's adjustment options, please refer to... Figure 4 As shown, it should be noted that the appearance and upholstery of the sofa need to be determined according to specific production requirements, therefore Figure 4 The sofa appearance shown is for reference only.

[0051] This utility model mainly includes a drive mechanism, a base frame, a movable frame, and a linkage frame that works in conjunction with the movable frame. The movable frame includes a pair of spaced-apart connecting rods. A roller structure is provided on the base frame, and the connecting rods are movably mounted on the base frame via the roller structure, allowing them to reciprocate back and forth relative to the base frame via the drive mechanism. The linkage frame includes a first connecting arm and a second connecting arm hinged together. The free end of the first connecting arm is pivotally connected to the base frame, and the free end of the second connecting arm is pivotally connected to the movable frame. The free ends of both arms can swing between near and far positions as the movable frame moves. During installation, the connecting rods and the drive end of the drive mechanism can be directly or indirectly connected to the bottom of the sofa cushion, enabling the movable assembly of the sofa cushion and the base frame, thus achieving the adjustable function of the sofa cushion. Connecting the linkage frame to the sofa backrest enables the adjustable function of the sofa backrest. Users can adjust the sofa cushion according to their sitting posture, and the sofa backrest will automatically adjust accordingly. When used with a control system, such as voice control, remote control, or switch control, especially the voice control system, the sofa becomes more intelligent, meeting society's demand for smart homes. It is practical, valuable, and contributes to society and consumers, effectively satisfying the intelligent furniture needs of millions of consumers. The overall structure is simple, with a roller structure and connecting rods providing high stability. The sofa backrest adjusts in tandem, eliminating the need for separate adjustments. The entire unit is composed of multiple detachable and assembleable parts, facilitating transportation and maintenance.

[0052] The above description is only a preferred embodiment of the present utility model and does not limit the patent scope of the present utility model. All equivalent structural transformations made under the inventive concept of the present utility model using the contents of the present utility model specification and drawings, or direct / indirect applications in other related technical fields, are included within the patent protection scope of the present utility model.

Claims

1. An adjustable stand, characterized in that, The adjusting frame comprises: a base frame; a moving frame for connecting with a sofa cushion, the moving frame being movably arranged on the base frame and capable of reciprocating forward and backward relative to the base frame to realize the reciprocating forward and backward movement of the sofa cushion; a linkage frame for connecting with a sofa backrest, the linkage frame comprising a first connecting arm (01) and a second connecting arm (02) hingedly connected with each other, a free end of the first connecting arm (01) being pivotally connected with the base frame, a free end of the second connecting arm (02) being pivotally connected with the moving frame, and an included angle between the first connecting arm (01) and the second connecting arm (02) being capable of being enlarged or reduced along with the reciprocating forward and backward movement of the moving frame; a driving mechanism arranged on the base frame and used for driving the sofa cushion to reciprocate forward and backward.

2. The adjustable cradle of claim 1, wherein: The base frame is provided with a first supporting plate (03) for pivotally connecting the free end of the first connecting arm (01), the first supporting plate (03) being provided with a first limiting member (04) corresponding to a position above the free end of the first connecting arm (01), and the first connecting arm (01) being capable of swinging between a position abutting against the first limiting member (04) and a position away from the first limiting member (04) relative to the base frame.

3. The adjustable cradle of claim 1, wherein: The moving frame is provided with a second supporting plate (05) for pivotally connecting the free end of the second connecting arm (02), the second supporting plate (05) being provided with a second limiting member (06) corresponding to a position below the free end of the second connecting arm (02), and the second connecting arm (02) being capable of swinging between a position abutting against the second limiting member (06) and a position away from the second limiting member (06) relative to the moving frame.

4. The adjustable cradle of claim 1, wherein: The driving mechanism comprises a motor (31) and a screw rod structure, a rotating end of the motor (31) being connected with the screw rod structure and capable of driving a moving block (32) of the screw rod structure to perform a linear reciprocating movement through a rotating action of the rotating end, and the moving block (32) being used for fixedly connecting with the moving frame or the sofa cushion.

5. The adjustable cradle of claim 1, wherein: The base frame is provided with a roller structure, the moving frame comprises a pair of spaced apart connecting rods (1), the connecting rods (1) being movably sleeved on the roller structure, the roller structure having a plurality of groups and being spaced apart along a movement direction of the connecting rods (1), and the roller structure comprising a pivotable upper roller (41) and a lower roller (42), the connecting rod (1) having a hollow structure with a C-shaped cross section, the upper roller (41) being located inside the connecting rod (1) and being in rolling cooperation with an inner wall of the connecting rod (1), and the lower roller (42) being in rolling cooperation with an outer bottom wall of the connecting rod (1).

6. The adjustable cradle of claim 5, wherein: A limiting portion (11) is formed by bending an opening on a side surface of the connecting rod (1) to limit the upper roller (41) from separating from the inside of the connecting rod (1) through the opening on the side surface of the connecting rod (1).

7. The adjustable cradle of claim 5, wherein: The connecting rod (1) is open at both ends, and the upper roller enters the inside of the connecting rod (1) through an opening at an end of the connecting rod (1).

8. The adjustable cradle of claim 5, wherein: A driving end of the driving mechanism and the connecting rod (1) are directly fixedly connected with the sofa cushion, or the driving end of the driving mechanism and the connecting rod (1) are jointly connected with a connecting member (5) used for fixedly connecting with the sofa cushion.

9. The adjustable cradle of claim 1, wherein: The base frame is a frame structure formed by a plurality of strip members (22) being connected through screws or a buckle structure and being detachably fixed, and the driving mechanism is located on an inner side of the frame structure.

10. A sofa characterized in that: The adjusting frame comprises any one of the adjusting frames according to claims 1 to 9.

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