Comfortable chair with multiple usage postures

Abstract

A comfortable chair with multiple usage postures has multiple usage postures. A flipable table plate (42) is further provided on the backrest of the chair, wherein the angle of the table plate (42) can be fixed by means of a table plate adjustment mechanism (6) and the support force of the table plate (42) can be strengthened; the chair is provided with flipable armrests (3), wherein the angle of the armrests (3) can be adjusted by means of armrest angle adjustment mechanisms (31) to provide a user with multiple usage postures such as forward sitting, backward sitting, side sitting, and lying down. The use method is flexible and highly practical. An embedded armrest (7) is further provide on each armrest (3), and the embedded armrests (7) can be fitted with the corresponding table plate (42), so that the user can work in a forward-sitting posture, and the embedded armrests (7) can undergo position adjustments in four directions, i.e., up, down, forward, and backward, by means of embedded armrest adjustment mechanisms (8), thereby adapting to users of different body sizes and heights.

Description

Comfortable seats with various postures Technical Field

[0001] The utility model relates to the technical field of seats, in particular to a comfortable seat with multiple usage postures. Background Art

[0002] In daily life, there are many things that people need to come into contact with frequently. Among them, chairs are items that everyone needs to use. They are used by people of all ages. Most of the time, people sit on chairs to work or study. At this time, people usually have requirements for the comfort and practicality of chairs. Especially for some people who work from home or often work temporarily, chairs are an important office auxiliary tool.

[0003] In the prior art, most chairs only have the function of adjusting the seat height, and users can only sit on the seats in a conventional manner. The seats do not have multiple usage modes. For example, the handles of the expanded seats are foldable, and the armrests can be folded to a horizontal state, forming a reclining posture with the seat, or the armrests on one side can be folded separately to provide a side-sitting posture, or a folding table can be set on the backrest of the seat, so that users can sit back on the seat and use the folding table to work. Therefore, in view of the shortcomings of the above-mentioned prior art, there is an urgent need for a chair that can provide multiple usage postures. Technical issues

[0004] In view of the above-mentioned deficiency in the prior art that seats do not have multiple usage postures, the utility model provides a comfortable seat with multiple usage postures. Technical Solutions

[0005] To achieve the above-mentioned object, the present invention provides a comfortable chair with multiple usage postures, which is characterized by comprising:

[0006] A seat and a chair leg, wherein a pneumatic rod is provided between the seat and the chair leg, and the seat and the chair leg are connected by the pneumatic rod;

[0007] Two seat armrests, the seat armrests are symmetrically arranged on both sides of the seat;

[0008] A seat back, wherein a side of the seat back away from the seat is provided with a backrest frame and a backrest bracket, a table board is provided in the backrest frame, the seat back is connected to the seat via the backrest bracket, and the table board is flip-connected to the backrest frame;

[0009] A table top adjustment mechanism, at least one of which is arranged on the surface of the backrest frame, the table top adjustment mechanism comprising a strip-shaped slide groove, a sliding limit block and a flip shaft, the sliding limit block slidingly cooperates with the strip-shaped slide groove, the groove wall of the strip-shaped slide groove is provided with at least one first limit card groove, one side of the sliding limit block is provided with a limit protrusion which can be embedded in the first limit card groove; both ends of the flip shaft are respectively connected to the sliding limit block and the table top flip;

[0010] The flipping of the table top drives the flip shaft to make the sliding limit block slide in the strip-shaped slide groove, and the limit protrusion is snapped into the first limit slot to keep the table top at a fixed angle.

[0011] As an improved solution of the present invention, both ends of the bottom of the seat back are recessed toward the center of the seat back to form a groove portion; and an installation groove for installing fabric is provided on the edge of the back frame.

[0012] As an improved solution of the present invention, the chair armrest is provided with an embedded armrest, an embedded armrest adjustment mechanism and an outer shell at the end away from the seat. The embedded armrest adjustment mechanism is arranged in the outer shell, and the outer shell is arranged in the chair armrest. The embedded armrest can move relative to the chair armrest through the embedded armrest adjustment mechanism.

[0013] As an improved solution of the present invention, the embedded armrest adjustment mechanism includes a sliding block, a height adjustment handle, a lifting rod and a lifting cylinder. The embedded armrest is provided with a strip slot on the side close to the seat armrest, one end of at least one sliding block is arranged in the strip slot, and the other end is fixedly connected to the shell; the height adjustment handle is arranged on the side of the shell away from the seat, the height adjustment handle and the lifting rod are integrated, the lifting rod is arranged in the lifting cylinder cavity, a limit block is provided on the lifting rod, and at least one height fixing hole is provided on the cavity surface of the lifting cylinder close to the limit block, and the limit block can be engaged with the height fixing hole.

[0014] As an improved solution of the present invention, it also includes an armrest angle adjustment mechanism, the chair armrest is movably connected to the chair seat through the armrest angle adjustment mechanism, the armrest angle adjustment structure includes a rotating rod, a fixed rod and a rotating wheel, one end of the rotating rod is fixedly connected to the chair armrest, and the other end is rotatably connected to the rotating wheel, and the two ends of the fixed rod are respectively fixedly connected to the rotating wheel and the chair seat; the adjustment range of the angle between the chair armrest and the chair seat is within the range of acute angle to superior angle.

[0015] As an improved solution of the present invention, a limiting through hole is provided on the surface of the chair back bracket close to one end of the seat back, the chair back bracket is sleeved with a sliding limiting block, the fixed block is fixed on the seat back, and at least one second limiting slot is provided in the limiting through hole, and the fixed block can be inserted into the second limiting slot; the seat back slides on the chair back bracket through the fixed block to adjust the longitudinal height. Beneficial effects

[0016] The beneficial effects of the present invention are as follows: compared with the prior art, the present invention provides a comfortable chair with multiple usage postures, comprising a seat, chair legs, two seat armrests, a table board adjustment mechanism and a seat backrest; a pneumatic rod is provided between the seat and the chair legs, and the seat and the chair legs are connected by the pneumatic rod; the seat armrests are symmetrically arranged on both sides of the seat; a backrest frame is provided on the side of the seat back away from the seat, a table board is provided in the backrest frame, the seat back is connected to the seat through the seat back bracket, and the table board is connected to the seat The backrest frame is flip-connected; at least one table board adjustment mechanism is fixedly arranged on the surface of the backrest frame, and the table board adjustment mechanism includes a strip slide, a sliding limit block and a flip shaft, the sliding limit block slides in cooperation with the strip slide, the groove wall of the strip slide is provided with at least one limit card groove, one side of the sliding limit block is provided with a limit protrusion that can be embedded in the limit card groove; the two ends of the flip shaft are respectively connected to the sliding limit block and the table board for flipping; the utility model has a variety of usage postures, and the seat back is provided with a plurality of The reversible table top has a fixed angle via a table top adjustment mechanism, allowing users to work, write, or watch movies on it. The armrests on the chair can be flipped using the armrest angle adjustment mechanism, and the angle between the armrests and the seat after flipping is between an acute angle and a superior angle. When the user wants to lie down and rest, the armrests on both sides can be adjusted to a horizontal position, forming a bed-like posture with the seat. The armrests can also be fully adjusted to a vertical downward position, making it more convenient for users to use the table top and avoiding the inconvenience caused by the armrests when sitting backward to use the table top. Users can also adjust the angle of one armrest separately for side sitting. The reversible setting of the table top eliminates the need to retract it when changing from sitting to lying down after use, improving the user experience and convenience. An embedded armrest is also installed above the seat armrest, which can be inserted into the table top. This embedded armrest can be slid forward and backward and adjusted in height up and down through the embedded armrest adjustment mechanism, ensuring comfort for users of different body shapes and heights. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a schematic diagram of the table top adjustment mechanism of the present invention;

[0018] Figure 2 is a front view of the present invention in working state;

[0019] Figure 3 is a three-dimensional diagram of the working state of the utility model;

[0020] FIG4 is an exploded view of the built-in armrest and the built-in armrest adjustment mechanism of the present invention;

[0021] Figure 5 is a schematic diagram of the cooperation between the sliding block and the built-in handrail of the present invention;

[0022] FIG6 is an exploded view of the built-in armrest adjustment mechanism of the present invention;

[0023] FIG7 is a schematic diagram of the cooperation between the built-in armrest and the built-in armrest adjustment mechanism of the present invention;

[0024] Figure 8 is a schematic diagram of the cooperation between the fixing rod and the seat of the present invention;

[0025] Figure 9 is a schematic diagram of the armrest angle adjustment mechanism of the present invention;

[0026] Figure 10 is a schematic diagram of the backrest frame of the present invention;

[0027] FIG11 is a schematic diagram of the combination of the chimeric armrest and the small table top of the present invention;

[0028] FIG12 is a bottom view of the small table top and the embedded armrest of the present invention.

[0029] The main component symbols are as follows: 1. Seat 1; 2. Chair legs; 3. Seat armrests; 31. Armrest angle adjustment mechanism; 311. Rotating rod; 312. Fixed rod; 313. Rotating wheel; 4. Seat backrest; 41. Backrest frame; 42. Table top; 411. Mounting slot; 5. Housing; 6. Table top adjustment mechanism; 61. Strip slide; 611. First limit slot; 62. Sliding limit block; 621. Limiting protrusion; 63. Flip axis ;7. Embedded armrest;71. Strip slot;8. Embedded armrest adjustment mechanism;81. Sliding block;82. Height adjustment handle;83. Lifting rod;831. Limiting card fast;84. Lifting cylinder;841. Height fixing hole;9. Groove part;10. Chair back bracket;100. Limiting through hole;101. Second limiting card slot;11. Fixing block;12. Pneumatic rod;13. Small table top;131. First mounting cylinder;132. Second mounting cylinder. Best Mode for Carrying Out the Invention

[0030] In order to more clearly illustrate the present invention, the present invention will be further described below with reference to the accompanying drawings.

[0031] 1 to 10 , the comfortable chair with multiple usage postures of the present invention comprises a seat 1, a chair leg 2, two armrests 3, a seat back 4 and a table adjustment mechanism 6. A pneumatic rod is provided between the seat 1 and the chair leg 2, and the seat 1 and the chair leg 2 are connected by the pneumatic rod; the armrests 3 are symmetrically arranged on both sides of the seat 1; a backrest frame 41 is provided on the side of the seat back 4 away from the seat 1, a table 42 and a backrest bracket 10 are provided in the backrest frame 41, the seat back 1 is connected to the seat 1 through the backrest bracket 10, and the table 42 is flip-connected to the backrest frame 41; at least one table adjustment mechanism 6 is provided on the surface of the backrest frame 41, and the table adjustment mechanism 6 comprises a strip slide 61, a sliding limit block 62 and a flip shaft 63, and the sliding limit block 62 and the strip slide 61 are flip-connected. Sliding fit, the groove wall of the strip slide 61 is provided with at least one first limit slot 611, and one side of the sliding limit block 62 is provided with a limit protrusion 621 that can be embedded in the first limit slot 611; the two ends of the flip shaft 63 are respectively connected to the sliding limit block 62 and the table top 42 for flipping; the table top 42 can be flipped to a horizontal state through the table top adjustment mechanism 6, and the table top 42 is supported by the flip shaft 63. The strip slide 61 set in the backrest frame 41 is slidably matched with the sliding limit block 62, and the limit protrusion 621 set on the side of the sliding limit block 62 can be stuck in the first limit slot 611 to complete the fixation of the angle of the table top 42. Slide the sliding limit block 62 to the limit position, and the limit protrusion 621 is disengaged from the first limit slot 611, and the table top 42 can be folded and reset. Modes for Carrying Out the Invention

[0032] The working principle of this utility model is:

[0033] The user can flip the table board 42 and sit on the chair seat 1 to work. The bottom sides of the seat back 4 are recessed inward to form grooves 9. The grooves 9 provide space for the user to make room for his legs. The flip shaft 63 of the table board adjustment mechanism 6 is driven by the flip of the table board 42, so that the sliding limit block 62 slides in the strip slide 61. The side wall of the strip slide 61 is provided with a limit groove 611. The limit protrusion 621 on the side of the sliding limit block 62 can be snapped into the limit groove 611 to lock the flip angle of the table board 42. In order to allow the user to work comfortably and conveniently while sitting back on the chair seat 1, the seat armrest 3 can also be adjusted in angle by the armrest angle adjustment mechanism 31. The angle adjustment range is the clamping range between the seat armrest 3 and the chair seat 1. The seat armrest 3 can be adjusted from an acute angle to a superior angle to a horizontal state, at which time the user can lie flat on the seat to rest, or it can be adjusted to a vertical downward state to avoid interference from the seat armrest 3 to the user, so that the user can sit backward on the chair seat 1 in a comfortable posture to work. The angle of the seat armrest 3 on one side can also be adjusted separately, and the user can sit on the chair seat 1 in a side-sitting posture; when the user does not want to sit backward on the chair seat 1 and uses the table top 42 to work, an embedded armrest 7 is also provided on the seat armrest 3, and the embedded armrest 7 is movably connected to the seat armrest 3 through an embedded armrest adjustment mechanism 71. The embedded armrest adjustment mechanism 71 can make the embedded armrest 7 slide in the front and rear directions and adjust the height of the up and down directions, so that the position of the table top is suitable for users of different body shapes and heights.

[0034] In another embodiment, all the technical features of the above embodiments are included. In order to improve the user experience, please refer to Figures 2-3 and 8-9. The utility model is provided with an armrest angle adjustment mechanism 31. The armrest angle adjustment mechanism 3 includes a rotating rod 311, a fixed rod 312 and a rotating wheel 313. One end of the rotating rod 311 is fixedly connected to the seat armrest 3, and the other end is rotatably connected to the rotating wheel 313. The two ends of the fixed rod 312 are respectively fixedly connected to the rotating wheel 313 and the seat 1; the rotating rod 311 is rotatably connected to the rotating wheel 313. When the user adjusts the angle of the seat armrest 3, the adjustment range of the angle between the seat armrest 3 and the seat 1 is within the range of acute angle to superior angle, according to the user's needs. It can be adjusted to multiple usage angles and can cooperate with the table board 42 to adjust the seat armrest 3 to a vertical downward position. At this time, the user will not be disturbed by the seat armrest 3 when sitting back or standing up from sitting back, which is convenient for the user to sit directly from the side, or sit directly from the front with legs spread out; the seat armrest 3 can also be adjusted to a horizontal position, at the same angle as the seat 1, at this time the user can lie down on the seat to rest, or meditate on the seat; the user can also adjust the seat armrest 3 on one side separately, either flat or vertically downward. The adjustment of the seat armrest 3 enables the seat to have a variety of adjustable usage postures, which greatly improves the practicality of the present invention and improves the user experience.

[0035] In another embodiment, all the technical features of the above embodiments are included. In order to improve the user experience, please refer to Figures 1-2 and 9. Recesses 9 are provided on both sides of the bottom of the seat back 4. The recesses 9 can provide sufficient space to avoid the problem of uncomfortable sitting posture due to the obstruction of the seat back 4 on the legs. When the user sits back, there is enough space for the user to place his thighs, and the user can work in a comfortable posture.

[0036] In another embodiment, all the technical features of the above embodiments are included. Please refer to Figures 2-7 and 11. The end of the chair armrest 3 away from the seat 1 is provided with an embedded armrest 7, an embedded armrest adjustment mechanism 8 and a shell 5 on the top of the chair armrest 3. The embedded armrest adjustment mechanism 8 is arranged in the shell 5. The embedded armrest 7 is movably connected to the chair armrest 3 through the embedded armrest adjustment mechanism 8; the embedded armrest adjustment mechanism 8 includes a sliding block 81, a height adjustment handle 82, a lifting rod 83 and a lifting cylinder 84. A strip slot 71 is provided on the side of the embedded armrest 7 close to the seat armrest 3, one end of at least one sliding block 81 is set in the strip slot 71, and the other end is fixedly connected to the shell 5; a height adjustment handle 82 is set on the side of the shell 5 away from the seat 1, the height adjustment handle 82 is integrated with the lifting rod 83, the lifting rod 83 is set in the cavity of the lifting cylinder 84, the lifting rod 83 is provided with a limit block 831, and at least one height fixing hole 841 is provided on the wall surface of the lifting cylinder 84 near the limit block 831; the embedded armrest 7 can be A matching small table is provided, and the user can work in front of the seat, and the embedded armrest 7 can slide forward and backward and adjust the height up and down through the embedded armrest adjustment mechanism 8. The sliding block 81 can slide in the strip slot 71 of the embedded armrest 7, and the position of the embedded armrest 7 in the forward and backward direction can be adjusted by sliding the embedded armrest 7; the lifting rod 83 is arranged in the lifting cylinder 84, and the lifting rod 83 is provided with a limit block 831, which is adapted to a plurality of height fixing holes 841 provided in the cavity wall of the lifting cylinder 84, and the user can adjust the height of the lifting cylinder 84 by lifting the lifting rod 83; Lift the height adjustment handle 82, and the limit block 831 on the lifting rod 83 moves away from the height fixing hole 841 and buckles out of the height fixing hole 841. At this time, the embedded armrest 7 can be manually adjusted in the up and down directions. When it is adjusted to an appropriate height, the height adjustment handle 82 is released, and the limit block 831 is buckled into the height fixing hole 841. The height adjustment of the embedded armrest 7 can be completed. The embedded armrest adjustment mechanism 8 enables users of different heights and body shapes to have the most suitable usage position for themselves, and flexible adjustment improves the user experience.

[0037] Further, please refer to Figures 11-12. The bottom surface of the small table 13 is provided with a first mounting tube 131 and a second mounting tube 132 that can be inserted into the outside of the embedded armrest 7. The small table is fixed to the embedded armrest 7 through the first mounting tube 131 and the second mounting tube 132. When the user sits upright, he can use the small table 13 for office work and study, and switch between upright sitting and reverse sitting at will. In conjunction with the embedded armrest adjustment mechanism 8, the height and distance of the small table 13 can be adjusted within a certain range.

[0038] In another embodiment, all the technical features of the above-mentioned embodiment are included, please refer to Figure 10. The edge of the seat back 4 is provided with a mounting groove 411 for installing fabric. By providing the mounting groove 411, it is only necessary to sew fabric and fill sponge on the contact surface of the seat back 4 with the user. Sewing the fabric in the mounting groove also makes it less likely to fall off, and fabric and sponge are only provided on the contact surface, which greatly saves costs.

[0039] In another embodiment, all the technical features of the above embodiments are included, please refer to Figures 1 and 3, a limiting through hole 100 is provided on the surface of the seat back bracket 10 near one end of the seat back 4, and the seat back bracket 10 is sleeved with a fixing block 11, which is fixed on the seat back 4, and at least one second limiting slot 101 is provided in the limiting through hole 100, and the fixing block 11 can be snapped into the second limiting slot 101; the seat back 4 slides on the seat back bracket 10 through the fixing block to adjust the longitudinal height; the height is fixed by snapping the fixing block 11 on the seat back 4 with the second limiting slot 101 in the limiting through hole 101, and a plurality of second limiting slots 101 are provided in the limiting through hole 101, which can adjust to different heights. In conjunction with the table board 42, the user can adaptively adjust to a suitable height. Industrial Applicability

[0040] The advantages of this utility model are:

[0041] 1) The seat has multiple usage postures, including lying flat, sitting backward, sitting sideways and sitting upright, to meet the user's various usage needs.

[0042] 2) The seat back is equipped with a flip-up table. Users can adjust the seat armrests to be flat or lowered to work or perform other entertainment, viewing or study activities on the table.

[0043] 3) The table top can be connected to the built-in armrest, which can be adjusted in four directions: front, back, up, down, and up to provide a user experience suitable for users of different body shapes and heights.

[0044] 4) The height of the seat back can be adjusted to suit the height requirements of different users.

Claims

1. A comfortable seat with multiple use postures, characterized by: include: A seat and a chair leg, wherein a pneumatic rod is provided between the seat and the chair leg, and the seat and the chair leg are connected by the pneumatic rod; Two seat armrests, the seat armrests are symmetrically arranged on both sides of the seat; A seat back, wherein a side of the seat back away from the seat is provided with a backrest frame, a table top is provided in the backrest frame, and the table top is flip-connected to the backrest frame; a seat bracket is provided between the seat back and the seat, one end of the seat bracket is provided in the backrest frame, and the other end is connected to the seat; A table top adjustment mechanism, at least one of which is arranged on the surface of the backrest frame, the table top adjustment mechanism comprising a strip-shaped slide groove, a sliding limit block and a flip shaft, the sliding limit block slidingly cooperates with the strip-shaped slide groove, the groove wall of the strip-shaped slide groove is provided with at least one first limit card groove, one side of the sliding limit block is provided with a limit protrusion which can be embedded in the first limit card groove; both ends of the flip shaft are respectively connected to the sliding limit block and the table top flip; The flipping of the table top drives the flip shaft to flip so that the sliding limit block slides in the strip-shaped slide groove, and the limiting protrusion is snapped into the first limiting slot to keep the table top at a fixed angle.

2. The comfortable chair with multiple usage postures according to claim 1, characterized in that: The two ends of the bottom of the seat back are recessed toward the center of the seat back to form a groove portion; and the edge of the backrest frame is provided with an installation groove for installing fabric.

3. The comfortable chair with multiple usage postures according to claim 1, characterized in that: The end of the chair armrest away from the seat is provided with an embedded armrest, an embedded armrest adjustment mechanism and an outer shell, the embedded armrest adjustment mechanism is arranged in the outer shell, and the outer shell is arranged in the chair armrest. The embedded armrest can move relative to the chair armrest through the embedded armrest adjustment mechanism.

4. The comfortable chair with multiple usage postures according to claim 3, characterized in that: The built-in armrest adjustment mechanism includes a sliding block, a height adjustment handle, a lifting rod and a lifting cylinder. The built-in armrest is provided with a strip slot on the side close to the seat armrest, one end of at least one sliding block is arranged in the strip slot, and the other end is fixedly connected to the shell; the height adjustment handle is arranged on the side of the shell away from the seat, the height adjustment handle and the lifting rod are integrated, the lifting rod is arranged in the lifting cylinder cavity, a limiting block is provided on the lifting rod, and at least one height fixing hole is provided on the cavity surface of the lifting cylinder close to the limiting block, and the limiting block can be engaged with the height fixing hole.

5. The comfortable chair with multiple usage postures according to claim 1, characterized in that: It also includes an armrest angle adjustment mechanism, the chair armrest is movably connected to the chair seat through the armrest angle adjustment mechanism, the armrest angle adjustment structure includes a rotating rod, a fixed rod and a rotating wheel, one end of the rotating rod is fixedly connected to the chair armrest, and the other end is rotatably connected to the rotating wheel, and the two ends of the fixed rod are respectively fixedly connected to the rotating wheel and the chair seat; the adjustment range of the angle between the chair armrest and the chair seat is within the range of acute angle to superior angle.

6. The comfortable chair with multiple usage postures according to claim 1, characterized in that: A limiting through hole is provided on the surface of the seat back bracket close to one end of the seat back, and a sliding limiting block is provided on the seat back bracket. The fixed block is fixed to the seat back, and at least one second limiting slot is provided in the limiting through hole, and the fixed block can be inserted into the second limiting slot; the seat back slides on the seat back bracket through the fixed block to adjust the longitudinal height.

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