Electric sofa iron stand structure

Abstract

The utility model discloses an electric sofa iron stand structure and relates to the field of sofa frames. The electric sofa iron stand structure comprises a base plate, a front blocking piece and a backrest plate, the front blocking piece and the backrest plate are movably hinged to the front side and the rear side of the base plate, a driving hydraulic cylinder is fixedly installed at the bottom of the base plate, and a driving mechanism is arranged at the output end of the driving hydraulic cylinder. According to the electric sofa iron stand structure, a driving hydraulic cylinder is started, so that the output end of the driving hydraulic cylinder drives a front push shaft to move forwards through a connecting seat, the front push shaft drives a barrier strip to turn upwards through a transmission connecting part, at the moment, the front push shaft slides in the transmission connecting part, and meanwhile, the front push shaft pulls a connecting push rod to slide forwards; the tail end of the connecting push rod pulls the traction shaft to slide forwards, the backrest plate is pulled by the traction part to overturn backwards, the traction shaft slides in the traction part at the moment, the backrest plate and the front blocking piece rotate synchronously, the structure is simple, and the equipment cost is saved.

Description

Technical Field

[0001] The utility model relates to the technical field of sofa frames, in particular to an electric sofa iron frame structure. Background Art

[0002] An electric sofa is a high-tech sofa that is driven by electric components to change its external shape or internal function. The mainstream electric sofas on the market now use hydraulic cylinders to drive the backrest and the bottom stopper to flip over, so that the backrest angle can be adjusted, and the bottom stopper can be flipped up and used as a leg rest.

[0003] In actual use, the functional parts of the front and rear are generally designed separately, which requires not only the use of many connecting parts, but also the need to set up separate driving parts for each group of functional items, resulting in excessively high costs. In actual use, it is found that when reclining, it is necessary to support the legs. Therefore, an electric sofa iron frame structure 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 an electric sofa iron frame structure, which solves the problem that in actual use, the front and rear functional parts are generally designed separately, which requires not only the use of many connecting parts, but also the need to set up separate driving parts for each group of functional items, resulting in excessively high costs.

[0005] To achieve the above purpose, the utility model is implemented through the following technical solutions: an electric sofa iron frame structure, including a base plate and a front stopper and a backrest plate movably hinged on the front and rear sides of the base plate, a driving hydraulic cylinder is fixedly installed at the bottom of the base plate, and a driving mechanism is provided at the output end of the driving hydraulic cylinder, and the driving mechanism includes;

[0006] A forward thrust shaft, which is installed at the output end of the driving hydraulic cylinder, and is used to push the front stopper to flip;

[0007] A connecting push rod has one end rotatably arranged on the outer surface of the front push shaft, and the other end of the connecting push rod is connected to the backrest plate for pushing the backrest plate to flip.

[0008] Preferably, the front stopper comprises:

[0009] A stop bar, which is rotatably arranged at the front end of the base plate;

[0010] A connecting shaft, which is fixedly installed between the plurality of baffle bars;

[0011] The transmission connection part is fixedly arranged on the inner sides of the left and right groups of baffle bars.

[0012] Preferably, both ends of the forward thrust shaft are slidably arranged inside the transmission connection part, and anti-dropout sleeves are fixedly installed on the outer surfaces of both ends of the forward thrust shaft by bolts, and the anti-dropout sleeves are placed in the middle of the transmission connection part.

[0013] Preferably, a connecting seat is fixedly mounted on the output end of the driving hydraulic cylinder, and the forward thrust shaft is rotatably disposed inside the connecting seat.

[0014] Preferably, an anti-slip slider is fixedly provided on the top of the connecting push rod, and the anti-slip slider is slidably connected to the inner bottom of the base plate.

[0015] Preferably, a traction portion is integrally formed at the bottom end of the backrest plate, a traction shaft is slidably connected inside the traction portion, and the end of the connecting push rod is rotatably connected to the outer surface of the traction shaft.

[0016] Preferably, support legs are fixedly welded to the bottom of the base plate, and armrests are fixedly installed on both sides of the base plate.

[0017] The utility model discloses an iron frame structure of an electric sofa, which has the following beneficial effects: by starting a driving hydraulic cylinder, the output end of the driving hydraulic cylinder drives the front push shaft to move forward through a connecting seat, and the front push shaft drives the baffle bar to flip upward through a transmission connecting part. At this time, the front push shaft slides inside the transmission connecting part, and at the same time, the front push shaft pulls the connecting push rod to slide forward, and the end of the connecting push rod pulls the traction shaft to slide forward, and the backrest plate is flipped backward through the traction part. At this time, the traction shaft slides in the traction part, thereby realizing the synchronous rotation of the backrest plate and the front baffle member, the structure is simple, and equipment cost is saved. 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 outer surface structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the bottom structure of the base plate of the utility model;

[0021] Figure 3 This is a schematic diagram of the outer surface structure of the front stopper of the utility model;

[0022] Figure 4 This is a schematic diagram of the structure of the backrest plate and the driving mechanism of the utility model.

[0023] In the figure: 1. base plate; 2. armrest; 3. support leg; 4. backrest plate; 5. front stopper; 51. stop bar; 52. connecting shaft; 53. transmission connection part; 6. driving hydraulic cylinder; 7. driving mechanism; 71. connecting seat; 72. front push shaft; 73. connecting push rod; 74. anti-dropping slider; 75. anti-dropping sleeve; 76. traction shaft; 8. traction part. DETAILED DESCRIPTION

[0024] 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.

[0025] The embodiment of the present application provides an electric sofa iron frame structure, which solves the problem that in actual use, the front and rear functional parts are generally designed separately, which requires not only the use of many connecting parts for the front and rear, but also the need to set up separate driving parts for each group of functional items, resulting in excessively high costs.

[0026] 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.

[0027] The utility model embodiment discloses an iron frame structure of an electric sofa.

[0028] According to the attached Figure 1-4 As shown, it includes a base plate 1 and a front stopper 5 and a backrest plate 4 movably hinged on the front and rear sides of the base plate 1. A driving hydraulic cylinder 6 is fixedly installed at the bottom of the base plate 1. A driving mechanism 7 is provided at the output end of the driving hydraulic cylinder 6. The driving mechanism 7 includes;

[0029] A forward thrust shaft 72, which is mounted on the output end of the driving hydraulic cylinder 6, and is used to push the front stopper 5 to flip;

[0030] A connecting push rod 73 has one end rotatably disposed on the outer surface of the front push shaft 72 , and the other end of the connecting push rod 73 is connected to the backrest board 4 for pushing the backrest board 4 to flip.

[0031] The front stopper 5 comprises:

[0032] A stop bar 51 is rotatably disposed at the front end of the base plate 1;

[0033] A connecting shaft 52, which is fixedly installed between the plurality of baffle bars 51;

[0034] The transmission connection part 53 is fixedly disposed on the inner sides of the left and right groups of baffle bars 51 .

[0035] Both ends of the forward thrust shaft 72 are slidably arranged inside the transmission connection part 53, and the outer surfaces of both ends of the forward thrust shaft 72 are fixed with anti-drop sleeves 75 by bolts. The anti-drop sleeves 75 are placed in the middle of the transmission connection part 53 to prevent the forward thrust shaft 72 from falling off from the transmission connection part 53.

[0036] The output end of the driving hydraulic cylinder 6 is fixedly installed with a connecting seat 71, and the forward thrust shaft 72 is rotatably arranged inside the connecting seat 71. The driving hydraulic cylinder 6 is driven so that the output end of the driving hydraulic cylinder 6 drives the forward thrust shaft 72 to move forward through the connecting seat 71, and the forward thrust shaft 72 drives the baffle 51 to flip upward through the transmission connection part 53.

[0037] An anti-dropout slider 74 is fixedly provided on the top of the connecting push rod 73 , and the anti-dropout slider 74 is slidably connected to the inner bottom of the base plate 1 to prevent the connecting push rod 73 from falling off and sliding deflection.

[0038] A traction portion 8 is integrally formed at the bottom end of the backrest plate 4, and a traction shaft 76 is slidably connected inside the traction portion 8. The end of the connecting push rod 73 is rotatably connected to the outer surface of the traction shaft 76. The front push shaft 72 pulls the connecting push rod 73 to slide forward, and the end of the connecting push rod 73 pulls the traction shaft 76 to slide forward, and the backrest plate 4 is flipped backward by pulling the traction portion 8.

[0039] A support leg 3 is fixedly welded to the bottom of the base plate 1 , and handrails 2 are fixedly installed on both sides of the base plate 1 .

[0040] In summary, compared with the prior art, the present invention has the following beneficial effects:

[0041] When the device is in use, the driving hydraulic cylinder 6 is started, so that the output end of the driving hydraulic cylinder 6 drives the front push shaft 72 to move forward through the connecting seat 71, and the front push shaft 72 drives the baffle 51 to flip upward through the transmission connection part 53. At this time, the front push shaft 72 slides inside the transmission connection part 53, and at the same time, the front push shaft 72 pulls the connecting push rod 73 to slide forward, and the end of the connecting push rod 73 pulls the traction shaft 76 to slide forward, and pulls the backrest board 4 to flip backward through the traction part 8. At this time, the traction shaft 76 slides in the traction part 8, thereby realizing the synchronous rotation of the backrest board 4 and the front baffle 5. The structure is simple and equipment cost is saved.

[0042] 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. An electric sofa iron frame structure, comprising a base plate (1) and a front stopper (5) and a backrest plate (4) movably hinged to the front and rear sides of the base plate (1), characterized in that: A driving hydraulic cylinder (6) is fixedly mounted on the bottom of the base plate (1), and a driving mechanism (7) is provided at the output end of the driving hydraulic cylinder (6), wherein the driving mechanism (7) comprises: A forward thrust shaft (72) mounted on the output end of the driving hydraulic cylinder (6), the forward thrust shaft (72) being used to push the front stopper (5) to flip over; A connecting push rod (73) has one end rotatably disposed on the outer surface of the front push shaft (72), and the other end of the connecting push rod (73) is connected to the backrest plate (4) for pushing the backrest plate (4) to flip.

2. The electric sofa iron frame structure according to claim 1, characterized in that: The front stopper (5) comprises: A stop bar (51) rotatably disposed at the front end of the base plate (1); A connecting shaft (52) fixedly mounted between the plurality of baffle bars (51); The transmission connection part (53) is fixedly arranged on the inner sides of the left and right groups of baffle bars (51).

3. The electric sofa iron frame structure according to claim 2, characterized in that: Both ends of the forward thrust shaft (72) are slidably arranged inside the transmission connection part (53), and anti-drop sleeves (75) are fixedly installed on the outer surfaces of both ends of the forward thrust shaft (72) by bolts, and the anti-drop sleeves (75) are placed in the middle of the transmission connection part (53).

4. The electric sofa iron frame structure according to claim 3, characterized in that: A connecting seat (71) is fixedly mounted on the output end of the driving hydraulic cylinder (6), and the forward thrust shaft (72) is rotatably disposed inside the connecting seat (71).

5. The electric sofa iron frame structure according to claim 1, characterized in that: An anti-slip slider (74) is fixedly provided on the top of the connecting push rod (73), and the anti-slip slider (74) is slidably connected to the inner bottom of the base plate (1).

6. The electric sofa iron frame structure according to claim 1, characterized in that: A traction portion (8) is integrally formed at the bottom end of the backrest plate (4), a traction shaft (76) is slidably connected inside the traction portion (8), and an end of the connecting push rod (73) is rotatably connected to the outer surface of the traction shaft (76).

7. The electric sofa iron frame structure according to claim 1, characterized in that: Support legs (3) are fixedly welded to the bottom of the base plate (1), and armrests (2) are fixedly mounted on both sides of the base plate (1).

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