CN114532784A - High-stability functional sofa support - Google Patents

Abstract

The invention discloses a functional sofa support with high stability, which belongs to the technical field of intelligent home furnishing, and comprises two symmetrically arranged extension supports, wherein extension support parts are connected through a front driving rod, a rear driving rod, a first support pipe and a second support pipe; the transmission assembly comprises a fixed plate, a telescopic linkage device for connecting the telescopic assembly and the seat cushion mounting plate, and a backrest linkage device for connecting the backrest assembly and the seat cushion mounting plate; the telescopic linkage device and the backrest linkage device are respectively arranged on two sides of the corresponding fixed plates, and the two supporting tubes for enhancing the connection stability are additionally arranged between the two fixed plates, so that the positions of the supporting tubes are unchanged in the transmission process, the structural shaking caused by unstable structural connection during integral driving is avoided, and the structural stability of the backrest linkage device is enhanced.

Description

A functional sofa bracket with high stability

technical field

The invention relates to the technical field of smart home, in particular to a functional sofa support with high stability.

Background technique

In people's daily life, the sofa has become a very common furniture, among which the adjustable functional sofa can realize its own inclination adjustment through the internal sofa support structure. However, the internal sofa support structure of the adjustable functional sofa involves many parts, and the sofa support structure has poor stability during the change of the support, which is easy to cause shaking and unsynchronized transformation.

SUMMARY OF THE INVENTION

The purpose of the present invention is to overcome the deficiencies in the prior art and provide a functional sofa support with high stability.

The technical scheme of the present invention is: a functional sofa bracket with high stability, comprising two symmetrically arranged stretch brackets, the two stretch brackets are connected by a linkage mechanism, and the stretch bracket comprises a seat cushion mounting plate, which is arranged on the seat cushion mounting plate The lower transmission assembly, the backrest assembly disposed above one end of the seat cushion installation plate, and the telescopic assembly disposed under the other end of the seat cushion installation plate; the transmission assembly includes a fixed plate, and one side of the fixed plate is provided with a connection between the telescopic assembly and the seat cushion installation The telescopic linkage device of the plate, and the other side is provided with a backrest linkage device connecting the backrest assembly and the seat cushion mounting plate; the linkage mechanism includes a front drive rod, a rear drive rod, a first support tube, and a second support tube. between the two telescopic assemblies, the rear drive rod is arranged between the two transmission assemblies, and the front drive rod and the rear drive rod are driven by a drive motor to generate relative displacement to drive the telescopic assembly and the backrest assembly to expand or contract; A support tube and a second support tube are arranged between the two fixing plates.

In a further technical solution, the telescopic assembly includes a transmission arm, a driving arm, a large foot plate and a small foot plate, the transmission arm includes a first transmission arm and a second transmission arm, and the driving arm includes a first driving arm and a second driving arm. arm, the front ends of the first drive arm and the second drive arm are both connected to the seat cushion mounting plate, one end of the first drive arm is connected to the foot plate, and the other end is connected to the end of the first drive arm; one end of the second drive arm is simultaneously It is connected with the big foot board and the small foot board, and the small foot board and the big foot board are connected by the foot board connecting piece, and the other end of the second transmission arm is connected with the end of the second driving arm; Connected via the front drive rod.

In a further technical solution, the backrest assembly includes an L-shaped backrest support, a support connecting piece and a backrest linkage piece, the backrest linking piece is provided with a first connecting end, a second connecting end and a third connecting end, and the backrest linking piece is connected with the third connecting end through the third connecting end. The seat cushion mounting plate is connected, the second connecting end is connected with the bottom end of the L-shaped backrest support, the first connecting end is connected with the middle of the L-shaped backrest support through the support connecting piece, and the first connecting end is simultaneously connected with the backrest linkage device .

Beneficial effects of the present invention:

In the present invention, the telescopic linkage device and the backrest linkage device are respectively arranged on both sides of the corresponding fixed plate, and two support pipes for strengthening the connection stability are added between the two fixed plates at the same time, so as to avoid the problems caused by the overall driving. For the structural shaking caused by the unstable structural connection, the front driving rod is set between the two telescopic components, and the rear driving rod is set between the two transmission components, which avoids the phenomenon that the transformation of the two stretching brackets is not synchronized; , the present invention enhances the strength of the product through the above arrangement, makes the stability of the functional sofa better, and further improves the comfort of the product.

Description of drawings

Fig. 1 is the front view structure schematic diagram of the present invention;

FIG. 2 is a schematic plan view of the structure of FIG. 1 .

Among them, 1. seat cushion mounting plate, 2. fixing plate, 3. backrest linkage, 4. telescopic linkage, 41, first telescopic rod, 42, second telescopic rod, 5. linkage mechanism, 51, front drive rod, 52, first support tube, 53, second support tube, 54, rear drive rod, 6, backrest assembly, 61, backrest bracket, 62, bracket connecting piece, 63, backrest linkage piece, 7, telescopic assembly, 71 , The first drive arm, 72, the first drive arm, 73, the second drive arm, 74, the second drive arm, 75, the big foot, 76, the small foot.

Detailed ways

The present invention is further illustrated and understood by the following non-limiting examples.

As shown in Figures 1-2, the present invention is a functional sofa support with high stability, including two symmetrically arranged stretch supports, the two stretch supports are connected by a linkage mechanism 5, and the stretch support includes a seat cushion mounting plate 1, The transmission assembly arranged under the seat cushion mounting plate 1, the backrest assembly 6 disposed above one end of the seat cushion mounting plate 1, the telescopic assembly 7 disposed under the other end of the seat cushion mounting plate 1;

The transmission assembly includes a fixed plate 2, one side of the fixed plate 2 is provided with a telescopic linkage 4 connecting the telescopic assembly 7 and the seat cushion mounting plate 1, and the other side is provided with a backrest linkage connecting the backrest assembly 6 and the seat cushion mounting plate 1 3;

The telescopic assembly 7 includes a transmission arm, a driving arm, a large foot plate 75 and a small foot plate 76 . The transmission arm includes a first transmission arm 71 and a second transmission arm 73 . The driving arm 72 and the second driving arm 74, one end of the first transmission arm 71 is connected with the large foot plate 75, and the other end is connected with the end of the first driving arm 72; one end of the second transmission arm 73 is connected with the large foot plate 75 and the small foot plate 76 at the same time. The small foot plate 76 and the big foot plate 75 are connected by the foot plate connecting piece, and the other end of the second transmission arm 73 is connected with the end of the second driving arm 74; 51 connection;

The backrest assembly 6 includes an L-shaped backrest bracket 61, a bracket connecting piece 62 and a backrest linking piece 63. The backrest linking piece 63 is provided with a first connecting end, a second connecting end and a third connecting end, and the backrest linking piece 63 passes through the third connecting end. Connected with the seat cushion mounting plate 1, the second connecting end is connected with the bottom end of the L-shaped backrest bracket 61, the first connecting end is connected with the middle of the L-shaped backrest bracket 61 through the bracket connecting piece 62, and the first connecting end is at the same time. Connect with the backrest linkage 3;

The telescopic linkage 4 includes an L-shaped first telescopic rod 41 and a linear second telescopic rod 42 . The ends are rotatably connected, the other end of the first telescopic rod 41 is rotatably connected with the fixing plate 2, and the middle part of the first telescopic rod 41 is rotatably connected with the seat cushion mounting plate 1;

The linkage mechanism 5 includes a front drive rod 51, a rear drive rod 54, a first support tube 52, and a second support tube 53. The front drive rod 51 is arranged between the two telescopic assemblies 7, and the rear drive rod 54 is arranged between the two transmissions. Between the components, the middle of the front driving rod 51 and the rear driving rod 54 is provided with a connecting piece for connecting with the driving motor (not shown in the figure). Under the action of the driving motor, the front driving rod 51 and the rear driving rod 54 The relative displacement is generated by the drive of the driving motor, so as to drive the telescopic assembly 7 and the backrest assembly 6 at both ends of the seat cushion mounting plate 1 to expand or contract. The first support tube 52 and the second support tube 53 are arranged between the two fixed plates 2. .

To sum up, in the present invention, the telescopic linkage device 4 and the backrest linkage device 3 are respectively arranged on both sides of the corresponding fixed plate 2, and at the same time, a first connection to strengthen the connection stability is installed between the two fixed plates 2. The support tube 52, the second support tube 53, the telescopic linkage 4 on both sides of the fixed plate 2 and the backrest linkage 3 do not interfere with the positions of the first support tube 52 and the second support tube 53 during the movement process, avoiding the overall Due to the structural shaking caused by the unstable structural connection during driving, the front driving rod 51 is arranged between the two telescopic components 7, and the rear driving rod 54 is arranged between the two transmission components, so as to avoid the asynchronous transformation of the two expansion brackets. phenomenon; the present invention enhances the strength of the product through the above arrangement, makes the stability of the functional sofa better, and further improves the comfort of the product.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims (3)

1. A functional sofa bracket with high stability, comprising two stretch brackets arranged symmetrically, the two stretch brackets are connected by a linkage mechanism, and the stretch bracket comprises a seat cushion mounting plate, a transmission arranged under the seat cushion mounting plate assembly, a backrest assembly disposed above one end of the seat cushion mounting plate, and a telescopic assembly disposed below the other end of the seat cushion mounting plate; characterized in that: the transmission assembly includes a fixed plate, and one side of the fixed plate is provided with a connecting telescopic assembly and The telescopic linkage device of the seat cushion mounting plate, the other side is provided with a backrest linkage device connecting the backrest assembly and the seat cushion mounting plate; the linkage mechanism includes a front driving rod, a rear driving rod, a first support tube, and a second support tube , the front drive rod is arranged between the two telescopic assemblies, the rear drive rod is arranged between the two transmission assemblies, and the relative displacement between the front drive rod and the rear drive rod is driven by the drive motor to drive the telescopic assembly, The backrest assembly is extended or retracted; the first support tube and the second support tube are arranged between the two fixing plates. 2 . The functional sofa support with high stability according to claim 1 , wherein the telescopic assembly comprises a transmission arm, a driving arm, a large foot board and a small foot board, and the transmission arm comprises a first transmission arm, The second transmission arm, the driving arm includes a first driving arm and a second driving arm, the front ends of the first driving arm and the second driving arm are both connected to the seat cushion mounting plate, and one end of the first transmission arm is connected to the big foot plate , the other end is connected with the end of the first drive arm; one end of the second drive arm is connected with the large foot plate and the small foot plate at the same time, and the small foot plate and the large foot plate are connected by the foot plate connecting piece, and the other end of the second transmission arm is connected with the second drive arm The ends of the two extension brackets are connected through the front drive rod. 3. A functional sofa support with high stability according to claim 1, wherein the backrest assembly comprises an L-shaped backrest support, a support connecting piece and a backrest linkage piece, and the backrest linking piece is provided with a first connecting end , the second connecting end and the third connecting end, the backrest linkage piece is connected with the seat cushion mounting plate through the third connecting end, the second connecting end is connected with the bottom end of the L-shaped backrest bracket, and the first connecting end is connected through the bracket connecting piece It is connected with the middle part of the L-shaped backrest bracket, and the first connection end is connected with the backrest linkage device at the same time.

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