Sofa with height-adjustable armrests

Abstract

The utility model relates to the technical field of sofas, and provides an armrest height adjustable sofa which comprises a base, side plates are fixed on two sides of the top end of the base, adjusting structures are arranged at the tops of the side plates, a back plate is fixed on one side of the base, and a lifting structure is arranged on one side, close to the base, of the back plate. The lifting structure comprises a lifting groove formed in one side of the interior of the back plate, and moving blocks are evenly arranged in the lifting groove. By arranging the lifting structure, the movable block can be driven by the lead screw to move up and down in the lifting groove under the driving action of the servo motor, so that the connecting plate can be conveniently driven to move up and down, and the height of the backrest during use can be conveniently adjusted through the connecting plate; according to the sofa with the adjustable armrest height, the function of conveniently adjusting the use height of the backrest is realized, and the convenience and comfort of the sofa with the adjustable armrest height during use are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of sofa, especially handrail height adjustable sofa. BACKGROUND

[0002] As an important household item, sofa plays an important role in rest and relaxation in daily life. With the improvement of living standards and people's pursuit of comfortable life, the traditional fixed handrail sofa has been unable to meet the diversified needs of consumers, and the design of adjustable handrail height can meet the needs of users of different heights, body shapes and sitting habits, so that users can find the most suitable sitting posture, thereby effectively reducing the body burden and improving the comfort and satisfaction of sitting and lying, therefore, it is necessary to design a handrail height adjustable sofa.

[0003] Therefore, the patent with publication number CN221450281U discloses a sofa with adjustable handrail height, specifically in the technical field of sofa, which comprises a sofa backrest, a sofa seat is arranged at the bottom of the sofa backrest, sofa supports are arranged on both sides of the sofa seat, a sliding groove is formed in the sofa support, a vertical plate is movably arranged on one side of the sliding groove, two gear plates are symmetrically arranged on one side of the vertical plate, a rolling structure is arranged on the outer side of the gear plate, a handrail is arranged on the top of the gear plate, two bases are uniformly arranged at the bottom of the sofa support, the utility model can quickly and efficiently adjust the height of the handrail by arranging the rolling structure on the outer side of the gear plate, and when the height of the handrail needs to be adjusted, the handrail can be gently pulled up and down to realize the function of quickly adjusting the height of the handrail.

[0004] Although the sofa with adjustable handrail height in the above can conveniently adjust the height of the sofa handrail during use, it is inconvenient to adjust the height of the sofa backrest according to the height of the user, and therefore a handrail height adjustable sofa needs to be designed. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a handrail height adjustable sofa, which solves the defect that the existing handrail height adjustable sofa is inconvenient to adjust the height of the sofa backrest according to the height of the user.

[0006] In order to solve the above technical problems, the utility model provides the following technical scheme: a handrail height adjustable sofa, which comprises a base;

[0007] Both sides of the top end of the base are fixedly provided with side plates, and the top of each side plate is provided with an adjusting structure;

[0008] One side of the base is fixed with a back plate, the back plate is close to the side of the base and is provided with a lifting structure, the lifting structure comprises a lifting groove opened in the inside of the back plate, the inside of the lifting groove is uniformly provided with a moving block, the inside of the moving block is uniformly screwed with a lead screw, one side of the moving block is fixed with a connecting plate, the lifting structure further comprises a servo motor, the servo motor is installed on the inner wall of the bottom of the back plate.

[0009] One side of the connecting plate is fixed with a backrest.

[0010] Further, the top end of the base is provided with a cushion, and the corner positions of the bottom end of the cushion are fixed with connecting structures.

[0011] Further, the adjusting structure comprises a mounting groove, an electric push rod, a handrail body and a guide rod, the mounting groove is opened at the middle position of the top of the side plate, the inside of the mounting groove is fixedly installed with an electric push rod, the top end of the electric push rod is fixed with a handrail body, and the two sides of the electric push rod are provided with guide rods.

[0012] Further, the top end of the guide rod and the inner wall of the handrail body are fixedly connected, the guide rods are symmetrically distributed on the two sides of the electric push rod, and the guide rods and the side plate are slidingly connected.

[0013] Further, the moving blocks are symmetrically distributed on the two sides of the connecting plate, and the bottom end of the lead screw is fixedly connected with the output end of the servo motor.

[0014] Further, the connecting structure comprises a bottom connecting block, a connecting layer, an adhesive layer and a top connecting block, the bottom connecting block is fixed at the corner positions of the top end of the base, the top end of the bottom connecting block is fixed with a connecting layer, and the top connecting block is fixed at the corner positions of the bottom end of the cushion, the bottom end of the top connecting block is fixed with an adhesive layer.

[0015] Further, the connecting layer is a magic raw wool, and the adhesive layer is a magic thorn wool.

[0016] The handrail height adjustable sofa has the advantages that:

[0017] The lifting structure is provided, and under the driving action of the servo motor, the moving block can be driven to move up and down in the lifting groove through the lead screw, so that the connecting plate can be driven to move up and down, so that the height of the backrest during use can be adjusted through the connecting plate, the device has the function of adjusting the use height of the backrest, and the convenience and comfort of the handrail height adjustable sofa during use are improved.

[0018] By setting the adjusting structure, the handrail body can be lifted or lowered under the telescopic action of the electric push rod, the use height of the handrail body is adjusted, and the stability of the handrail body during lifting is improved under the sliding connection between the guide rod and the side plate, so that the device has the function of conveniently adjusting the use height of the handrail body, and the convenience of the height-adjustable sofa during use is improved.

[0019] By setting the connecting structure, the bottom connecting block and the top connecting block are fixedly connected under the interweaving connection of the connecting layer and the adhesive layer, so that the cushion can be stably fixed on the top end of the base, sliding and deviation of the cushion on the top end of the base are avoided, the device has the functions of conveniently fixing and installing the cushion, and the convenience of the height-adjustable sofa during use is improved. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a whole three-dimensional structure schematic diagram of the utility model;

[0021] Figure 2 It is a front view cross-sectional structure schematic diagram of the utility model;

[0022] Figure 3 It is a Figure 2 It is an enlarged structure schematic diagram of A in the middle;

[0023] Figure 4 It is a side view cross-sectional structure schematic diagram of the utility model;

[0024] Figure 5 It is a side view cross-sectional structure schematic diagram of the utility model;

[0025] Figure 6 It is a top view cross-sectional three-dimensional structure schematic diagram of the utility model.

[0026] The reference signs in the drawing are explained as follows: 1, base; 2, side plate; 3, adjusting structure; 31, mounting groove; 32, electric push rod; 33, handrail body; 34, guide rod; 4, back plate; 5, lifting structure; 51, lifting groove; 52, lead screw; 53, moving block; 54, connecting plate; 55, servo motor; 6, backrest; 7, cushion; 8, connecting structure; 81, bottom connecting block; 82, connecting layer; 83, adhesive layer; 84, top connecting block. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0028] Please refer to Figures 1-6 The utility model provides a height adjustable sofa of handrail, including base 1.

[0029] Refer to Figure 1 , Figure 2 and Figures 4-6 , the both sides of base 1 top are fixed with side plate 2, the top of side plate 2 is provided with adjusting structure 3, adjusting structure 3 includes installation groove 31, electric push rod 32, handrail body 33 and guide rod 34, installation groove 31 is set up at the intermediate position of side plate 2 top, the inside fixed mounting of installation groove 31 has electric push rod 32, the top of electric push rod 32 is fixed with handrail body 33, the both sides of electric push rod 32 are provided with guide rod 34, the top of guide rod 34 and the inner wall of handrail body 33 are fixedly connected, guide rod 34 is distributed symmetrically on the both sides of electric push rod 32, guide rod 34 and side plate 2 are slidingly connected.

[0030] External power supply, start electric push rod 32, electric push rod 32 lifting will drive handrail body 33 to lift, handrail body 33 will drive both sides guide rod 34 to lift together when lifting, guide rod 34 and side plate 2 slidingly connected, can guarantee the stability of guide rod 34 when lifting.

[0031] Refer to Figure 1 , Figure 2 , Figure 5 and Figure 6 , one side of base 1 is fixed with back plate 4, back plate 4 is close to the one side of base 1 and is provided with lifting structure 5, lifting structure 5 includes lifting groove 51 set up in the inside one side of back plate 4, lifting groove 51 is evenly provided with moving block 53 in the inside, the inside of moving block 53 is screw-connected with lead screw 52, one side of moving block 53 is fixed with connecting plate 54, lifting structure 5 further includes servo motor 55, servo motor 55 is installed on the inner wall of back plate 4 bottom, moving block 53 is distributed symmetrically on the both sides of connecting plate 54, the bottom end of lead screw 52 and the output end of servo motor 55 are fixedly connected, one side of connecting plate 54 is fixed with backrest 6.

[0032] The external power supply is started, the servo motor 55 is started, the servo motor 55 rotates to drive the screw rod 52 to rotate, the screw rod 52 rotates to drive the moving block 53 to move up and down in the lifting groove 51, the moving block 53 drives the connecting plate 54 to move up and down when moving, the connecting plate 54 drives the backrest 6 to move up and down, so that the use height of the backrest 6 is adjusted according to users with different heights.

[0033] With reference to Figure 2 , Figure 3 and Figure 5 , the top end of the base 1 is provided with a seat cushion 7, and the corner positions at the bottom end of the seat cushion 7 are all fixed with connecting structures 8, the connecting structures 8 include bottom connecting blocks 81, connecting layers 82, adhesive layers 83 and top connecting blocks 84, the bottom connecting blocks 81 are fixed at the corner positions at the top end of the base 1, the top ends of the bottom connecting blocks 81 are all fixed with the connecting layers 82, the top connecting blocks 84 are fixed at the corner positions at the bottom end of the seat cushion 7, and the bottom ends of the top connecting blocks 84 are all fixed with the adhesive layers 83, the connecting layers 82 are magic raw wool, and the adhesive layers 83 are magic bristles.

[0034] Under the interweaving connection of the connecting layers 82 and the adhesive layers 83, the bottom connecting blocks 81 and the top connecting blocks 84 can be fixedly connected, so that the seat cushion 7 can be stably fixed at the top end of the base 1, and sliding and deviation of the seat cushion 7 at the top end of the base 1 are avoided.

[0035] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. An armrest height-adjustable sofa, comprising a base (1); Its characterized in that: The top of the base (1) is fixed with side plates (2) on both sides, and the top of the side plate (2) is provided with an adjusting structure (3); One side of the base (1) is fixed with a back plate (4), and the back plate (4) is provided with a lifting structure (5) near one side of the base (1), the lifting structure (5) comprises a lifting groove (51) opened on one side of the inside of the back plate (4), and the inside of the lifting groove (51) is uniformly provided with a moving block (53), the inside of the moving block (53) is threadedly connected with a lead screw (52), and one side of the moving block (53) is fixed with a connecting plate (54), the lifting structure (5) further comprises a servo motor (55), and the servo motor (55) is installed on the inner wall of the bottom of the back plate (4); One side of the connecting plate (54) is fixed with a backrest (6).

2. A height adjustable armrest sofa according to claim 1, characterized in that: The top of the base (1) is provided with a seat cushion (7), and the corner positions of the bottom of the seat cushion (7) are fixed with a connecting structure (8).

3. The height adjustable armrest sofa of claim 1, wherein: The adjusting structure (3) comprises a mounting groove (31), an electric push rod (32), an armrest body (33) and a guide rod (34), the mounting groove (31) is opened at the middle position of the top of the side plate (2), the inside of the mounting groove (31) is fixedly installed with the electric push rod (32), the top of the electric push rod (32) is fixed with the armrest body (33), and the two sides of the electric push rod (32) are provided with the guide rod (34).

4. A height adjustable arm rest sofa as claimed in claim 3, wherein: The top of the guide rod (34) and the inner wall of the armrest body (33) are fixedly connected, the guide rods (34) are symmetrically distributed on the two sides of the electric push rod (32), and the guide rods (34) and the side plate (2) are slidingly connected.

5. The height adjustable armrest sofa of claim 1, wherein: The moving blocks (53) are symmetrically distributed on the two sides of the connecting plate (54), and the bottom of the lead screw (52) and the output end of the servo motor (55) are fixedly connected.

6. The height adjustable armrest sofa of claim 2, wherein: The connecting structure (8) comprises a bottom connecting block (81), a connecting layer (82), an adhesive layer (83) and a top connecting block (84), the bottom connecting block (81) is fixed at the corner position of the top of the base (1), the top of the bottom connecting block (81) is fixed with the connecting layer (82), the top connecting block (84) is fixed at the corner position of the bottom of the seat cushion (7), and the bottom of the top connecting block (84) is fixed with the adhesive layer (83).

7. A height adjustable arm rest sofa as claimed in claim 6, wherein: The connecting layer (82) is a magic raw wool, and the adhesive layer (83) is a magic thorn wool.

Images