CN221450281U - Sofa with height-adjustable armrests - Google Patents

Abstract

The utility model discloses a sofa with an adjustable armrest height, which particularly relates to the technical field of sofas, and comprises a sofa backrest, wherein a sofa seat is arranged at the bottom of the sofa backrest, sofa supports are arranged at two sides of the sofa seat, a chute is formed in the sofa support, a vertical plate is movably arranged at one side of the chute, two gear plates are symmetrically distributed at one side of the vertical plate, a rolling structure is arranged at the outer side of the gear plate, armrests are arranged at the top of the gear plate, and two bases are uniformly distributed at the bottom of the sofa support.

Description

Sofa with height-adjustable armrests

Technical Field

The utility model relates to the technical field of sofas, in particular to a sofa with an adjustable armrest height.

Background

The sofa is common furniture in people's daily life, and its structural reliability, durability are the main points that people focus on in the long term in the past, and ordinary sofa structure function is too single, can not give the user fine travelling comfort and experience sense, and moreover, the sofa can not fine fixed a certain position, appears sliding easily, and people sit on the sofa for a long time simultaneously, hopefully increases health care and therapeutic purpose. In summary, sofas with multiple functions are becoming increasingly popular.

The utility model of patent application number CN202121968178.7 provides a sofa with adjustable armrests, comprising: the sofa comprises a seat plate, a sofa backrest, a sofa base, a lifting handrail structure, a handrail supporting seat, a support, a bottom plate, a magnet, a sofa cushion, a sleeve, a connecting rod, a first rubber gasket and a second rubber gasket; the technical proposal provided by the utility model not only can adjust the height of the sofa armrest according to the user, but also has the health care effect on the user

However, in the structure, the screw is rotated by rotating the rotating handle to drive the guide plate to move up and down to adjust the height of the handrail, and when the guide plate is adjusted from the lowest position to the highest position of the screw, the height of the guide plate cannot be quickly adjusted due to the time adjustment required by the rotation of the screw, so that the efficiency of adjusting the height of the guide plate is reduced.

Disclosure of utility model

In order to overcome the above-mentioned drawbacks of the prior art, the present utility model provides a sofa with an adjustable armrest height, so as to solve the above-mentioned problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the sofa with the height adjustable armrests comprises a sofa backrest, wherein a sofa seat is arranged at the bottom of the sofa backrest, sofa supports are arranged on two 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 distributed on one side of the vertical plate, a rolling structure is arranged on the outer side of each gear plate, armrests are arranged at the tops of the gear plates, and two bases are uniformly distributed at the bottoms of the sofa supports; the rolling structure comprises a rotating rod fixedly arranged in the sliding groove, two ends of the rotating rod are movably connected with two sides of the sliding groove, two fixing rings are symmetrically distributed on the outer side of the rotating rod, the bottoms of the two fixing rings are fixedly connected with the surface of the rotating rod, and gears are fixedly arranged on the outer sides of the two fixing rings; the surfaces of the gear plate and the gears are in a zigzag shape, and the gears are attached to the two gear plates through the zigzag shape arranged on the surfaces;

through above-mentioned technical scheme, through seting up the spout in sofa support inside for thereby the handrail can be at the function of the high height-adjusting of sofa support inside height-adjusting realization handrail, through set up rolling structure in the gear plate outside, be favorable to when need adjusting the height of handrail, only need translate about the handrail, the riser outside that the handrail bottom set up contacts the gear and drives its rotation, thereby can realize the function of the high of quick adjustment handrail.

As a further description of the above technical solution: the armrests penetrate through the top surface of the sofa support and are provided with armrest cushions;

by the technical scheme, people can feel comfortable when leaning against the surface of the handrail.

As a further description of the above technical solution: one end of the rotating rod passes through one side of the sofa support to be fixedly provided with a fixed block, one side of the sofa support is provided with a groove, and the fixed block is movably arranged in the groove;

Through above-mentioned technical scheme for when adjusting the handrail to suitable height, the fixed block can reach its quick adjustment height of cooperation along with the meshing rotation of gear plate and gear.

As a further description of the above technical solution: four handles are uniformly distributed on the outer side of the fixed block; the surfaces of the four handles are provided with fixing bolts, the fixing bolts penetrate through the handles and the grooves, and the handles are movably connected with the grooves through the fixing bolts;

through above-mentioned technical scheme for when fixed bolt and handle and recess are connected, can fix the height of handrail, prevent its vertical displacement.

The utility model has the technical effects and advantages that:

1. Through setting up the rolling structure in the gear plate outside, when needing to adjust the height of handrail, only need with the handrail lightly pulling translation from top to bottom, the riser outside that the handrail bottom set up contacts the gear and meshes and drives the gear rotation with it to can realize the function of the high adjustment handrail, compare with prior art, the high of adjustment handrail that can be quick high-efficient;

2. Through setting up fixed bolt, when adjusting the handrail to suitable height, the fixed block can reach its quick adjustment height of cooperation along with the meshing rotation of gear plate and gear, makes fixed bolt and handle and groove connection afterwards, can fix the height of handrail, compares with prior art, can effectually fix its height after having adjusted the height of handrail, prevents its vertical displacement.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the present utility model.

Fig. 2 is a schematic side view of the sofa support of the present utility model.

Fig. 3 is a schematic cross-sectional elevation view of the sofa support of the present utility model.

Fig. 4 is a schematic view of a partial structure of a sofa support of the present utility model.

The reference numerals are: 1. a sofa backrest; 2. a sofa seat; 3. a sofa support; 4. an armrest cushion; 5. fixing the bolt; 6. a groove; 7. an armrest; 8. a base; 9. a gear plate; 10. a riser; 11. a rotating rod; 13. a gear; 14. a fixing ring; 15. a fixed block; 16. a handle; 17. and a sliding groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The sofa with the height-adjustable armrests shown in the attached drawings 1-4 comprises a sofa backrest 1, a sofa seat 2 is arranged at the bottom of the sofa backrest 1, sofa supports 3 are arranged at two sides of the sofa seat 2, sliding grooves 17 are formed in the sofa supports 3, so that the armrests 7 can be adjusted in height in the sofa supports 3, the height-adjustable armrests 7 can be adjusted, a vertical plate 10 is movably arranged at one side of each sliding groove 17, two gear plates 9 are symmetrically distributed at one side of each vertical plate 10, rolling structures are arranged at the outer sides of the gear plates 9, armrests 7 are arranged at the tops of the gear plates 9, and two bases 8 are uniformly distributed at the bottom of the sofa supports 3; the rolling structure comprises a rotating rod 11 fixedly arranged in a sliding groove 17, two ends of the rotating rod 11 are movably connected with two sides of the sliding groove 17, two fixed rings 14 are symmetrically arranged on the outer side of the rotating rod 11, the bottoms of the two fixed rings 14 are fixedly connected with the surface of the rotating rod 11, and gears 13 are fixedly arranged on the outer sides of the two fixed rings 14; the gear plate 9 all sets up to the cockscomb structure with the gear 13 surface, and gear 13 laminates mutually with the sawtooth shape that two gear plates 9 set up through the surface, is favorable to when needs adjusting the height of handrail 7, only need translate handrail 7 from top to bottom, and the riser 10 outside that handrail 7 bottom set up contacts gear 13 and drives it and rotate to can realize the function of quick adjustment handrail 7's height.

In some embodiments, the surface of the armrest 7 is provided with an armrest cushion 4, as shown in fig. 1, which is advantageous for a person to feel comfortable when resting against the surface of the armrest 7.

In some embodiments, according to the illustration in fig. 2, a fixed block 15 is fixedly arranged at one end of the rotating rod 11 penetrating through one side of the sofa support 3, a groove 6 is arranged at one side of the sofa support 3, and the fixed block 15 is movably arranged inside the groove 6, so that when the armrest 7 is adjusted to a proper height, the fixed block 15 can rotate along with the meshing rotation of the gear plate 9 and the gear 13 to achieve the matching of the rapid adjustment height.

In some embodiments, according to the illustration in fig. 4, four handles 16 are uniformly distributed on the outer side of the fixed block 15; the fixed bolts 5 are arranged on the surfaces of the four handles 16, the fixed bolts 5 penetrate through the handles 16 and the grooves 6, and the handles 16 are movably connected with the grooves 6 through the fixed bolts 5, so that the height of the handrail 7 can be fixed and prevented from being displaced up and down when the fixed bolts 5 are connected with the handles 16 and the grooves 6.

The working principle of the utility model is as follows: when the device is used, a user firstly lightly pulls the armrest 7 to enable the armrest 7 to translate up and down, and the outer side of the vertical plate 10 arranged at the bottom of the armrest 7 contacts with the gear 13 and is meshed with the gear 13 to drive the gear 13 to rotate, so that the function of quickly adjusting the height of the armrest 7 can be realized; when adjusting handrail 7 to suitable height, fixed block 15 can reach its quick adjustment height of cooperation along with the meshing rotation of gear plate 9 and gear 13, is connected fixed bolt 5 and handle 16 and recess 6 afterwards to can avoid fixed block 15 to drive gear 13 and rotate, can effectually fix its height after having adjusted handrail 7's height, prevent its vertical displacement.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims (3)

1. Sofa with adjustable armrest height, comprising a sofa backrest (1), characterized in that: the sofa is characterized in that a sofa seat (2) is arranged at the bottom of the sofa backrest (1), sofa supports (3) are arranged on two sides of the sofa seat (2), sliding grooves (17) are formed in the sofa supports (3), vertical plates (10) are movably arranged on one sides of the sliding grooves (17), two gear plates (9) are symmetrically distributed on one sides of the vertical plates (10), rolling structures are arranged on the outer sides of the gear plates (9), handrails (7) are arranged at the tops of the gear plates (9), and two bases (8) are uniformly distributed at the bottoms of the sofa supports (3);

The rolling structure comprises a rotating rod (11) fixedly arranged in a sliding groove (17), two ends of the rotating rod (11) are movably connected with two sides of the sliding groove (17), two fixing rings (14) are symmetrically distributed on the outer side of the rotating rod (11), the bottoms of the two fixing rings (14) are fixedly connected with the surface of the rotating rod (11), and gears (13) are fixedly arranged on the outer sides of the two fixing rings (14);

One end of the rotating rod (11) penetrates through one side of the sofa support (3) to be fixedly provided with a fixed block (15), one side of the sofa support (3) is provided with a groove (6), and the fixed block (15) is movably arranged in the groove (6);

Four handles (16) are uniformly distributed on the outer side of the fixed block (15);

The four handles (16) are provided with fixing bolts (5) on the surfaces, the fixing bolts (5) penetrate through the handles (16) and the grooves (6), and the handles (16) are movably connected with the grooves (6) through the fixing bolts (5).

2. The sofa of claim 1 wherein the height of the armrests is adjustable, wherein: the surfaces of the gear plates (9) and the gears (13) are all in a zigzag shape, and the gears (13) are attached to the two gear plates (9) through the zigzag shape arranged on the surfaces.

3. The sofa of claim 1 wherein the height of the armrests is adjustable, wherein: the surface of the armrest (7) is provided with an armrest cushion (4).