Household chair with adjustable armrests

Abstract

The utility model discloses a household chair with adjustable armrests, which comprises a seat plate, four corners of the bottom of the seat plate are fixedly connected with supporting legs, and two sides of the seat plate are symmetrically provided with adjustable armrest components; the adjustable handrail assembly comprises an outer shell, an adjusting groove is formed in the outer shell, a rotating shaft is rotationally inserted into the adjusting groove, a warping plate is connected to the shaft wall of the rotating shaft in a sleeving mode, and a spring in the adjustable handrail assembly can push a stirring disc on a fixing sleeve to drive meshing teeth on a pressing disc to be meshed with a meshing groove. When adjustment is needed, a shifting disc can be conveniently driven through a warping plate in a labor-saving mode to apply pressure to a spring so that meshing teeth can be separated from meshing grooves, and therefore the outer shell of the handrail can be rotationally adjusted with the fixing rod as the axis; and the armrests can be adjusted and used by different users, so that the comfort of the household chair during use can be effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of household chairs, and specifically relates to a household chair with adjustable armrests. Background Art

[0002] A seat is a household item in every family, which is composed of legs, a base and armrests.

[0003] However, most of the existing armrests of household chairs are fixed and non-adjustable, resulting in different experiences for different users when using them, and some users will feel uncomfortable.

[0004] An adjustable household seat with the publication (announcement) number of CN216907360U discloses an adjustable household seat, including a backrest, a limit hole column, a support rod, a support frame and a cushion plate. A cushion plate is installed at the top end of the support frame, and the bottom end of the cushion plate is fixedly connected to the support frame. A support column is installed at the center position of the bottom end of the support frame, and the top end of the support column is fixedly connected to the support frame. A threaded column is installed at the bottom end of the support column, and the top end of the threaded column is fixedly connected to the support column. A threaded sleeve is sleeved at the bottom end of the threaded column, a nut sleeve is sleeved on the surface of the threaded column above the threaded sleeve, a base is installed at the bottom end of the threaded sleeve, and the top end of the base is fixedly connected to the threaded sleeve. The utility model not only realizes the adjustment of the height of the household seat, facilitates the convenient use of people, but also improves the comfort of the household seat when in use. When in use, first, the base and the threaded sleeve are installed together, the nut sleeve is sleeved on the surface of the threaded column, the bottom end of the threaded column enters the inside of the threaded sleeve, and the threaded column and the threaded sleeve are connected by threads. Rotate the nut sleeve, and fix the threaded column and the threaded sleeve with the cooperation of the nut sleeve. Install the cushion plate and the support frame together, the support column supports the support frame, and the relative length of the threaded column and the threaded sleeve is used to adjust the height of the cushion plate. Then, install the support rod and the support frame together, install the cushion block and the support sleeve together, the support sleeve is sleeved on the surface of the support rod, and the pin is inserted into the inside of the support sleeve and the limit hole column. The pin fixes the support sleeve and the support rod, and the cushion block is convenient for the user to place the arm. Then, install the bracket and the support frame together, install the backrest and the bracket together, and the backrest is convenient for the user to lean on. Install the walking wheel and the base together, and the walking wheel is convenient for the movement of the position of the household seat to complete the use work of the seat;

[0005] Although it can adjust the armrest of the household chair, when adjusting, it is necessary to separate the pin from the limit hole column opened on the support rod and then press the armrest downward, which requires the cooperation of both hands at the same time, and its operation is relatively troublesome and not convenient for operation and adjustment. Content of the Utility Model

[0006] The purpose of the present utility model is to provide a household chair with an adjustable armrest, so as to solve the problem that most of the armrests of household chairs in the above-mentioned background technology are fixed and non-adjustable, resulting in different usage experiences for different users, and some users will feel discomfort. And some household chairs can adjust the height or tilt angle of the armrest, but when adjusting, it is necessary to separate the pin from the limit hole column opened on the support rod and then press the armrest downward, which requires the cooperation of both hands at the same time. It is more troublesome to operate and not convenient to operate and adjust. Therefore, a household chair with an adjustable armrest is provided. The spring inside the adjustable armrest assembly can push the dial on the fixed sleeve to drive the meshing teeth on the pressure plate to engage with the meshing groove, so as to lock the outer shell of the armrest. When adjustment is needed, the dial can be conveniently and labor-savingly driven by the rocker to apply pressure to the spring, so that the meshing teeth are separated from the meshing groove, so that the outer shell of the armrest can rotate and adjust around the fixed rod as the axis, so that the armrest can be adjusted and used by different users, and the comfort of the household chair during use can be effectively improved.

[0007] To achieve the above object, the present utility model provides the following technical solution: A household chair with an adjustable armrest, including a seat board, and support feet are fixedly connected to the four corners of the bottom of the seat board, and adjustable armrest assemblies are symmetrically arranged on both sides of the seat board;

[0008] The adjustable armrest assembly includes an outer shell, an adjustment groove is opened inside the outer shell, a rotating shaft is rotatably inserted into the adjustment groove, a rocker is sleeved on the shaft wall of the rotating shaft, first and second grooves are respectively opened through both ends of the rocker, a pressure rod is movably inserted into the first groove, a fixed hoop is fixedly sleeved on the rod wall of the pressure rod, and the fixed hoop abuts against the outer wall of the rocker. A fixed rod is rotatably inserted into the outer wall of the outer shell close to the second groove, a limit rod is fixedly connected to the rod wall of the fixed rod located inside the adjustment groove, one end of the fixed rod passing through the outer shell is fixedly connected to the seat board, a sliding sleeve is slidably sleeved on the rod wall of one end of the fixed rod located inside the adjustment groove, and a pressure plate and a dial are fixedly sleeved on the outer cylinder wall of the sliding sleeve. Meshing teeth are arranged on the side wall of the pressure plate away from the dial, and a meshing groove adapted to the meshing teeth is opened on the inner wall of the adjustment groove inside the outer shell, and the meshing teeth are engaged in the meshing groove. One end of the rocker provided with the second groove is movably sleeved on the outer cylinder wall of the sliding sleeve between the pressure plate and the dial, and a spring is arranged on the side of the dial away from the pressure plate, and the spring is sleeved on the rod wall of the fixed rod.

[0009] Preferably, a reinforcing rib is fixedly connected between two adjacent support feet.

[0010] Preferably, a through groove is penetrated through the side wall of the top of the seat board.

[0011] Preferably, a cover plate is installed on the side of the outer shell away from the seat plate, the end of the pressure rod away from the fixing hoop slides through the cover plate, and the end of the spring away from the dial plate contacts the cover plate.

[0012] Preferably, one end of the pressure rod that movably passes through the cover plate is fixedly connected to a pressure block.

[0013] Compared with the prior art, the beneficial effect of the utility model is that the spring inside the adjustable armrest assembly can push the toggle plate on the fixed sleeve to drive the meshing teeth on the pressure plate to engage with the meshing groove, thereby locking the outer shell of the armrest. When adjustment is needed, the seesaw can be used to conveniently and labor-savingly drive the toggle plate to apply pressure to the spring to separate the meshing teeth from the meshing groove, so that the outer shell of the armrest can be rotated and adjusted with the fixed rod as the axis, so that the armrest can be adjusted and used for different users, which can effectively improve the comfort of the home chair when used. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 It is a cross-sectional view of the outer shell of the utility model;

[0016] Figure 3 It is a structural schematic diagram of the outer shell in the utility model;

[0017] Figure 4 The structure of the rocker in the utility model is shown in FIG. Figure 1 ;

[0018] Figure 5 The structure of the rocker in the utility model is shown in FIG. Figure 2 .

[0019] In the figure: 1. seat plate; 2. support foot; 3. reinforcing rib; 4. through groove; 5. adjustable armrest assembly; 51. outer shell; 52. cover plate; 53. adjustment groove; 54. rotating shaft; 55. rocker; 56. first groove; 57. second groove; 58. pressure rod; 59. fixing hoop; 510. pressure block; 511. fixing rod; 512. pressure plate; 513. meshing teeth; 514. meshing groove; 515. toggle plate; 516. limit rod; 517. spring. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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.

[0021] See also Figures 1-5 The utility model provides a technical solution: a home chair with adjustable armrests, comprising a seat board 1, four corners of the bottom of the seat board 1 are fixedly connected with support feet 2, and adjustable armrest components 5 are symmetrically arranged on both sides of the seat board 1;

[0022] The adjustable armrest assembly 5 includes an outer shell 51, an adjustment groove 53 is provided inside the outer shell 51, a rotating shaft 54 ​​is rotatably inserted inside the adjustment groove 53, a seesaw 55 is sleeved on the shaft wall of the rotating shaft 54, and a first groove 56 and a second groove 57 are respectively penetrated at both ends of the seesaw 55, a pressure rod 58 is movably inserted inside the first groove 56, a fixing hoop 59 is fixedly sleeved on the rod wall of the pressure rod 58, and the fixing hoop 59 abuts against the outer wall of the seesaw 55, a fixing rod 511 is rotatably inserted on the outer wall of the outer shell 51 on the side close to the second groove 57, the fixing rod 511 is located on the rod wall inside the adjustment groove 53 and is fixedly connected to a limiting rod 516, and the fixing rod 511 passes through one end of the outer shell 51 and is fixedly connected to the seat plate 1 The fixed rod 511 is slidably sleeved on the rod wall at one end of the adjusting groove 53, and a sliding sleeve is fixedly sleeved on the outer cylinder wall of the sliding sleeve, and a pressure plate 512 and a toggle plate 515 are fixedly sleeved on the outer cylinder wall of the sliding sleeve, and a meshing tooth 513 is provided on the side wall of the pressure plate 512 away from the toggle plate 515, and a matching meshing groove 514 is provided on the inner wall of the adjusting groove 53 inside the outer shell 51 corresponding to the meshing tooth 513, and the meshing tooth 513 is meshed in the meshing groove 514. One end of the rocker 55 with a second groove 57 is movably sleeved on the outer cylinder wall of the sliding sleeve between the pressure plate 512 and the toggle plate 515, and a spring 517 is provided on the side of the toggle plate 515 away from the pressure plate 512, and the spring 517 is sleeved on the rod wall of the fixed rod 511.

[0023] Preferably, a reinforcing rib 3 is fixedly connected between two adjacent supporting legs 2, and the provision of the reinforcing rib 3 can effectively make the supporting legs 2 more firm and stable.

[0024] Preferably, a through slot 4 is provided through the side wall at the top of the seat plate 1. The provision of the through slot 4 can effectively make the chair more convenient to take.

[0025] Preferably, a cover plate 52 is installed on the side of the outer housing 51 away from the seat board 1. One end of the pressure rod 58 away from the fixing hoop 59 slides through the cover plate 52, and one end of the spring 517 away from the dial 515 abuts against the cover plate 52. The setting of the cover plate 52 can effectively prevent dust from entering the inside of the adjustment groove 53.

[0026] Preferably, a pressure block 510 is fixedly connected to the end of the pressure rod 58 that movably passes through the cover plate 52. The setting of the pressure block 510 can effectively make the pressure rod 58 more force-bearing when pressing down.

[0027] Specifically, in the initial state, the elastic force of the spring 517 can push the dial 515 on the sliding sleeve to drive the engaging teeth 513 on the pressure plate 512 to engage with the engaging grooves 514 in the adjustment groove 53 inside the outer housing 51, thereby locking the outer housing 51 and preventing the outer housing 51 from rotating randomly;

[0028] When in use, the user can sit on the seat board 1 and support the elbows through the outer housing 51 of the adjustable armrest assembly 5 to act as an armrest;

[0029] When it is necessary to adjust the inclination angle of the armrest, press the pressure block 510 towards the outer housing 51. The pressure block 510 can drive the fixing hoop 59 through the pressure rod 58 to apply pressure to the longer end of the seesaw 55. The pressure is amplified by the lever principle of the seesaw 55 and drives the sliding sleeve and the pressure plate 512 to slide along the fixed rod 511 away from the seat board 1 through the dial 515. The engaging teeth 513 on the pressure plate 512 are separated from the engaging grooves 514, so that the outer housing 51 can rotate and adjust with the fixed rod 511 as the axis, enabling the armrest to be adjusted and used by different users, and effectively improving the comfort of the household chair during use.

[0030] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A home chair with adjustable armrests, comprising a seat plate (1), wherein four corners of the bottom of the seat plate (1) are fixedly connected to support feet (2), and adjustable armrest components (5) are symmetrically arranged on both sides of the seat plate (1); Features: The adjustable armrest assembly (5) comprises an outer shell (51), an adjusting groove (53) is provided inside the outer shell (51), a rotating shaft (54) is rotatably inserted inside the adjusting groove (53), a seesaw (55) is sleeved on the shaft wall of the rotating shaft (54), a first groove (56) and a second groove (57) are respectively penetrated at two ends of the seesaw (55), a pressure rod (58) is movably inserted inside the first groove (56), a fixing hoop (59) is fixedly sleeved on the rod wall of the pressure rod (58), the fixing hoop (59) contacts the outer wall of the seesaw (55), a fixing rod (511) is rotatably inserted on the outer wall of the outer shell (51) on the side close to the second groove (57), the fixing rod (511) is located on the rod wall inside the adjusting groove (53) and is fixedly connected to a limiting rod (516), the fixing rod (511) passes through one end of the outer shell (51) and is connected to the seat The fixing rod (511) is fixedly connected to the adjusting groove (53), a sliding sleeve is slidably sleeved on the rod wall at one end of the fixing rod (511) inside the adjusting groove (53), and a pressure plate (512) and a toggle plate (515) are fixedly sleeved on the outer wall of the sliding sleeve, a meshing tooth (513) is arranged on the side wall of the pressure plate (512) away from the toggle plate (515), and a corresponding meshing tooth (513) is arranged on the inner wall of the adjusting groove (53) inside the outer shell (51) An adapted meshing groove (514), the meshing teeth (513) meshing inside the meshing groove (514), one end of the rocker plate (55) having a second groove (57) movably sleeved on the outer cylinder wall of the sliding sleeve located between the pressure plate (512) and the shifting plate (515), a spring (517) being arranged on the side of the shifting plate (515) away from the pressure plate (512), and the spring (517) sleeved on the rod wall of the fixed rod (511).

2. A home chair with adjustable armrests according to claim 1, characterized in that: A reinforcing rib (3) is fixedly connected between two adjacent supporting legs (2).

3. The home chair with adjustable armrests according to claim 1, characterized in that: A through groove (4) is formed through the side wall at the top of the seat plate (1).

4. The home chair with adjustable armrests according to claim 1, characterized in that: A cover plate (52) is installed on the side of the outer shell (51) away from the seat plate (1), and one end of the pressure rod (58) away from the fixing hoop (59) slides through the cover plate (52), and one end of the spring (517) away from the dial (515) contacts the cover plate (52).

5. A home chair with adjustable armrests according to claim 4, characterized in that: One end of the pressure rod (58) that movably passes through the cover plate (52) is fixedly connected to a pressure block (510).

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