Bottom telescopic adjusting frame of electric sofa

Abstract

The utility model discloses a bottom telescopic adjusting frame of an electric sofa, and relates to the field of furniture. The bottom telescopic adjusting frame of the electric sofa comprises a fixed frame and a sliding carrier which is arranged in the fixed frame in a sliding manner, the utility model relates to a silent chair with a sliding base, a rotary backrest and a silent sliding strip. When the bottom telescopic adjusting frame of the electric sofa is stretched, the top end of the auxiliary supporting rod rotates on the back face of the rotary backrest and moves along with the rotary backrest, and meanwhile, the bottom end of the auxiliary supporting rod rotates on the fixed frame, so that the rotary backrest is kept stable during overturning, and meanwhile, when the rotary backrest rotates to the top, the auxiliary supporting rod can move along with the rotary backrest. The auxiliary supporting rod abuts against the back face of the fixed frame for supporting, so that the rotary backrest is effectively supported, and the situation that the rotary backrest deforms and is broken off is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of furniture, in particular to a bottom telescopic adjustment frame of an electric sofa. Background Art

[0002] An electric sofa is a deformable sofa driven by a motor. It usually includes a fixed base and a movable base. The movable base is driven by the motor to move, thereby extending the bottom area of ​​the sofa. By placing sofa cushions, it can be used as a sofa bed. It is a multifunctional furniture.

[0003] When using an electric sofa nowadays, the backrest is usually laid down after the lower base is moved forward, and the backrest is used as a part of the sofa bed for lying down. However, in actual use, the backrest and the base are installed in a hinged manner. When the backrest is raised, the two lack effective support, which makes the backrest loose and deformed or even the connection part broken during long-term use, affecting subsequent use. For this purpose, a bottom telescopic adjustment frame of an electric sofa is specially provided to solve the above problem. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a bottom telescopic adjustment frame for an electric sofa, which solves the problem that the backrest and the base are installed in a hinged manner, and the two lack effective support when the backrest is raised, which causes the backrest to loosen and deform or even break at the connection during long-term use, affecting subsequent use.

[0005] To achieve the above purpose, the utility model is implemented through the following technical solutions: a bottom telescopic adjustment frame of an electric sofa, comprising a fixed frame and a sliding carrier slidably arranged inside the fixed frame, the sliding carrier comprising;

[0006] A sliding base is slidably arranged inside the fixed frame;

[0007] A swivel backrest, which is pivotally connected to the back of the sliding base;

[0008] An auxiliary support rod, which is movably hinged on the back of the rotating backrest, and the other end of the auxiliary support rod is movably hinged to the fixed frame;

[0009] A silent slide bar, which is fixedly arranged on the lower surface of the sliding base;

[0010] The inner top of the fixed frame is rotatably provided with multiple rows of rubber silent rollers, and the silent slide bar is slidably connected to the top of the rubber silent rollers.

[0011] Preferably, a driving motor is fixedly mounted on the inner bottom of the fixed frame, an adjusting screw is fixedly mounted on the output end of the driving motor, and the adjusting screw is threadedly connected to the sliding base.

[0012] Preferably, a connecting seat is fixedly welded to the bottom of the sliding base, the adjusting screw is threadedly connected to the inside of the connecting seat, a plurality of L-shaped support strips are fixedly installed inside the fixed frame, and the end of the adjusting screw is rotatably connected to the inner wall of the L-shaped support strip.

[0013] Preferably, a slide groove is provided at the top of the L-shaped support strip, the rubber silent roller is rotatably connected to the inner bottom of the slide groove, and the silent slide strip is slidably connected to the inner top of the slide groove.

[0014] Preferably, the bottom end of the auxiliary support rod is movably hinged to the top of the L-shaped support bar, and a horizontal axis is fixedly connected between multiple groups of the L-shaped support bars.

[0015] Preferably, both sides of the fixed frame are provided with limiting grooves, both sides of the sliding base are fixedly connected with limiting strips, and the limiting strips are slidably connected inside the limiting grooves.

[0016] Preferably, a front baffle is fixedly connected to the front side of the sliding base, and the front baffle is movably plugged into the front side of the fixed frame.

[0017] The utility model discloses a bottom telescopic adjustment frame of an electric sofa, which has the following beneficial effects: an auxiliary support rod is arranged between a rotating backrest and an L-shaped support strip on a fixed frame, when the rotating backrest is extended, the top end of the auxiliary support rod rotates on the back of the rotating backrest and moves with the rotating backrest, and at the same time, the bottom end of the auxiliary support rod rotates on the fixed frame, so that the rotating backrest remains stable when flipped over, and when the rotating backrest rotates to the top, the auxiliary support rod abuts against the back of the fixed frame for support, thereby effectively supporting the rotating backrest and avoiding deformation and breakage thereof. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 This is a schematic diagram of the overall bottom structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the outer surface structure of the sliding carrier of the utility model;

[0021] Figure 3 This is a schematic diagram of the fixed frame structure of the utility model.

[0022] In the figure: 1. Fixed frame; 12. L-shaped support bar; 13. Horizontal axis; 14. Slide groove; 15. Rubber silent roller; 16. Limiting groove; 2. Sliding carrier; 21. Sliding base; 22. Rotating backrest; 23. Auxiliary support rod; 24. Silent slide bar; 25. Connecting seat; 26. Limiting bar; 27. Front baffle; 3. Driving motor; 4. Adjusting screw. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solution and advantages of the embodiments of the utility model clearer, the technical solution in the embodiments of the utility model is described clearly and completely. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] The embodiment of the present application provides a bottom telescopic adjustment frame for an electric sofa, which solves the problem that the backrest and the base are installed in a hinged manner, and the two lack effective support when the backrest is raised, which causes the backrest to loosen and deform or even break at the connection during long-term use, thereby affecting subsequent use.

[0025] In order to better understand the above technical solution, the above technical solution will be described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0026] The utility model embodiment discloses a bottom telescopic adjustment frame of an electric sofa.

[0027] According to the attached Figure 1-3 As shown, it includes a fixed frame 1 and a sliding carrier 2 slidably arranged inside the fixed frame 1, the sliding carrier 2 includes a sliding base 21, a rotating backrest 22, an auxiliary support rod 23 and a silent slide bar 24, the sliding base 21 is slidably arranged inside the fixed frame 1; the rotating backrest 22 is rotatably connected to the back of the sliding base 21; the auxiliary support rod 23 is movably hinged to the back of the rotating backrest 22, and the other end of the auxiliary support rod 23 is movably hinged to the fixed frame 1; the silent slide bar 24 is fixedly arranged on the lower surface of the sliding base 21, and a plurality of L-shaped support strips 12 are fixedly installed inside the fixed frame 1, and the end of the adjusting screw rod 4 is rotatably connected to the inner side wall of the L-shaped support strip 12;

[0028] By setting an auxiliary support rod 23 between the rotating backrest 22 and the L-shaped support bar 12 on the fixed frame 1, when extended, the top end of the auxiliary support rod 23 rotates on the back of the rotating backrest 22 and moves with the rotating backrest 22, and at the same time, the bottom end of the auxiliary support rod 23 rotates on the fixed frame 1, so that the rotating backrest 22 remains stable when flipped over. At the same time, when the rotating backrest 22 rotates to the top, the auxiliary support rod 23 is supported against the back of the fixed frame 1, thereby effectively supporting the rotating backrest 22 and preventing it from deformation and breakage.

[0029] The inner top of the fixed frame 1 is rotatably provided with multiple rows of rubber silent rollers 15, and the silent slide bar 24 is slidably connected to the top of the rubber silent roller 15. A slide groove 14 is opened at the top of the L-shaped support bar 12, and the rubber silent roller 15 is rotatably connected to the inner bottom of the slide groove 14, and the silent slide bar 24 is slidably connected to the inner top of the slide groove 14. When the sliding base 21 slides, the silent slide bar 24 slides on the rubber silent roller 15. At this time, the rubber silent roller 15 rotates, thereby reducing friction and achieving a silent effect.

[0030] A driving motor 3 is fixedly installed on the inner bottom of the fixed frame 1, and an adjusting screw 4 is fixedly installed on the output end of the driving motor 3. The adjusting screw 4 is threadedly connected to the sliding base 21. A connecting seat 25 is fixedly welded on the bottom of the sliding base 21. The adjusting screw 4 is threadedly connected to the inside of the connecting seat 25. By driving the driving motor 3, it drives the adjusting screw 4 to rotate. At this time, the adjusting screw 4 drives the sliding base 21 to slide back and forth through the connecting seat 25.

[0031] The bottom end of the auxiliary support rod 23 is movably hinged to the top of the L-shaped support bar 12, and a transverse axis 13 is fixedly connected between multiple groups of L-shaped support bars 12. The transverse axis 13 allows multiple L-shaped support bars 12 to support each other to prevent lateral deformation.

[0032] Limiting grooves 16 are provided on both sides of the fixed frame 1, and limiting strips 26 are fixedly connected on both sides of the sliding base 21. The limiting strips 26 are slidably connected to the inside of the limiting grooves 16, which further limit the sliding of the sliding base 21 and prevent the sliding from being stuck due to deflection during sliding.

[0033] A front baffle 27 is fixedly connected to the front side of the sliding base 21, and the front baffle 27 is movably plugged into the front side of the fixed frame 1 to cover the front end of the L-shaped support bar 12 when stored, which is more beautiful. At the same time, rollers are provided at the bottom of both sides of the front baffle 27, which can provide a rolling support effect when moving.

[0034] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A bottom telescopic adjustment frame of an electric sofa, comprising a fixed frame (1) and a sliding carrier (2) slidably arranged inside the fixed frame (1), characterized in that: The sliding carrier (2) comprises: A sliding base (21) is slidably arranged inside the fixed frame (1); A rotatable backrest (22) rotatably connected to the back of the sliding base (21); An auxiliary support rod (23) is movably hinged on the back of the rotating backrest (22), and the other end of the auxiliary support rod (23) is movably hinged to the fixed frame (1); A silent slide bar (24) fixedly arranged on the lower surface of the sliding base (21); The inner top of the fixed frame (1) is rotatably provided with multiple rows of rubber silent rollers (15), and the silent sliding strips (24) are slidably connected to the tops of the rubber silent rollers (15).

2. The bottom telescopic adjustment frame of an electric sofa according to claim 1, characterized in that: A driving motor (3) is fixedly mounted on the inner bottom of the fixed frame (1), an adjusting screw rod (4) is fixedly mounted on the output end of the driving motor (3), and the adjusting screw rod (4) is threadedly connected to the sliding base (21).

3. The bottom telescopic adjustment frame of an electric sofa according to claim 2, characterized in that: A connecting seat (25) is fixedly welded to the bottom of the sliding base (21), the adjusting screw rod (4) is threadedly connected to the inside of the connecting seat (25), a plurality of L-shaped support bars (12) are fixedly installed inside the fixed frame (1), and the end of the adjusting screw rod (4) is rotatably connected to the inner wall of the L-shaped support bar (12).

4. The bottom telescopic adjustment frame of an electric sofa according to claim 3, characterized in that: A slide groove (14) is provided at the top of the L-shaped support strip (12), the rubber silent roller (15) is rotatably connected to the inner bottom of the slide groove (14), and the silent slide strip (24) is slidably connected to the inner top of the slide groove (14).

5. The bottom telescopic adjustment frame of an electric sofa according to claim 3, characterized in that: The bottom end of the auxiliary support rod (23) is movably hinged to the top of the L-shaped support bar (12), and a transverse axis (13) is fixedly connected between multiple groups of the L-shaped support bars (12).

6. The bottom telescopic adjustment frame of an electric sofa according to claim 1, characterized in that: Limiting grooves (16) are provided on both sides of the fixed frame (1), and limiting strips (26) are fixedly connected to both sides of the sliding base (21), and the limiting strips (26) are slidably connected inside the limiting grooves (16).

7. The bottom telescopic adjustment frame of an electric sofa according to claim 1, characterized in that: The front side of the sliding base (21) is fixedly connected to a front baffle (27), and the front baffle (27) is movably plugged into the front side of the fixed frame (1).

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