Comfortable seat with multiple use postures

Abstract

The utility model discloses a comfortable seat with multiple use postures, which has multiple use postures, a turnover table plate is further arranged on a backrest of the seat, the angle of the table plate can be fixed through a table plate adjusting mechanism, and the supporting force to the table plate can be enhanced. The seat is provided with the turnover seat armrest, the angle of the armrest is adjusted through the armrest angle adjusting mechanism, various using postures such as forward sitting, reverse sitting, side sitting and lying flat can be provided for a user, the using method is flexible, and practicability is high; the embedded armrest is further arranged on the seat armrest and can be sleeved with the corresponding table plate, a user can work in a sitting posture, the position of the embedded armrest can be adjusted in the upper direction, the lower direction, the front direction and the rear direction through the embedded armrest adjusting mechanism, and the multifunctional office chair is suitable for users of different body types and heights.

Description

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 touch frequently. Among them, chairs are items that everyone needs. 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 extended seats are foldable, and the armrests can be folded to a horizontal state, forming a reclining chair posture with the seat, or the armrests on one side can be folded separately to provide a side-sitting posture, or a folding table is provided on the backrest of the seat, so that users can sit backwards 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. Utility Model Content

[0004] Aiming at the disadvantage that the seats in the prior art do not have multiple usage postures, the utility model provides a comfortable seat with multiple usage postures.

[0005] To achieve the above object, the utility model provides a comfortable chair with multiple usage postures, which is characterized by comprising:

[0006] A seat and a chair leg, wherein a gas pressure rod is provided between the seat and the chair leg, and the seat and the chair leg are connected by the gas pressure 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 back frame and a back support, a table board is provided in the back frame, the seat back is connected to the seat through the back support, and the table board is flip-connected to the back 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 comprises a strip-shaped slide groove, a sliding limit block and a flip shaft, the sliding limit block is slidably matched 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; the two ends of the flip shaft are respectively connected with 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 inserted into the first limit slot to keep the table top at a fixed angle.

[0011] As an improved solution of the utility model, 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 improvement of the present invention, an 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, the outer shell is arranged in the chair armrest, and the embedded armrest can move relative to the chair armrest through the embedded armrest adjustment mechanism.

[0013] As an improved solution of the present utility model, 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 a surface 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 utility model, 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 utility model, a limiting through hole is provided on the surface of one end of the chair back bracket close to the seat back, the chair back bracket is sleeved with a sliding limiting block, the fixed block is fixed on the seat back, the fixed block is sleeved outside the chair back bracket, and at least one second limiting slot is provided in the limiting through hole, and the fixing block can be inserted into the second limiting slot; the seat back slides on the chair back bracket through the fixing block to adjust the longitudinal height.

[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, a chair leg, two seat armrests, a table board adjustment mechanism and a seat backrest; a gas pressure rod is arranged between the seat and the chair leg, and the seat and the chair leg are connected by the gas pressure rod; the seat armrests are symmetrically arranged on both sides of the seat; a backrest frame is arranged on the side of the seat back away from the seat, a table board is arranged 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-shaped slide groove, a sliding limit block and a flip shaft, the sliding limit block slides in cooperation with the strip-shaped slide groove, the groove wall of the strip-shaped slide groove is provided with at least one limit card groove, and 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 with 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 The table top can be flipped, and the flip angle of the table top can be fixed by the table top adjustment mechanism. Users can do office work or write and watch movies on the table top. The armrests on the seat can be flipped by the armrest angle adjustment mechanism. After flipping, the angle between the armrests and the seat is between the acute angle and the superior angle. When the user wants to lie down to rest, the armrests on both sides can be adjusted to a horizontal position to form a bed posture with the seat. The seat armrests can also be fully adjusted to a vertical downward state, which can make it more convenient for users to use the table top and avoid the inconvenience of users' activities due to the obstruction of the armrests when the user sits back on the seat and uses the table top for work. Users can also adjust the angle of the seat armrest on one side separately to sit sideways. The table top can be flipped, so that when the user wants to change the sitting or lying posture after use, it is not necessary to retract it and reset it, which increases the user's experience and convenience. An embedded armrest that can be inserted into the table top is also set above the seat armrest. The embedded armrest can slide in the front and back directions and adjust the height of the up and down directions through the embedded armrest adjustment mechanism, ensuring the comfort of users of different body shapes and heights. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the table top adjustment mechanism of the utility model;

[0018] Figure 2 This is the main view of the working state of the utility model;

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

[0020] Figure 4 It is an exploded view of the built-in handrail and the built-in handrail adjustment mechanism of the utility model;

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

[0022] Figure 6 This is an exploded view of the built-in armrest adjustment mechanism of the utility model;

[0023] Figure 7 It is a schematic diagram of the cooperation between the built-in armrest and the built-in armrest adjustment mechanism of the utility model;

[0024] Figure 8 This is a schematic diagram of the cooperation between the fixing rod and the seat of the utility model;

[0025] Fig. 9 This is a schematic diagram of the armrest angle adjustment mechanism of the utility model;

[0026] Fig.10 This is a schematic diagram of a backrest frame of the utility model;

[0027] Fig.11 It is a schematic diagram of the combination of the embedded armrest and the small table board of the utility model;

[0028] Fig.12 A bottom view of a small table top and an embedded armrest of the utility model;

[0029] Fig.13 It is a front view of the chair back support of the utility model.

[0030] 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. Shell; 6. Table top adjustment mechanism; 61. Strip slide; 611. First limit slot; 62. Sliding limit block; 621. Limiting protrusion; 63. Flip axis ; 7. Built-in armrest; 71. Strip slot; 8. Built-in 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; 10. Chair back support; 100. Limiting through hole; 101. Second limiting card slot; 11. Fixing block; 12. Pneumatic rod; 13. Small table; 131. First mounting cylinder; 132. Second mounting cylinder. DETAILED DESCRIPTION

[0031] In order to more clearly illustrate the present invention, the present invention is further described below in conjunction with the accompanying drawings.

[0032] See also Figure 1-Figure 10 The utility model provides a comfortable chair with multiple usage postures, including a seat 1, a chair leg 2, two seat armrests 3, a seat back 4 and a table board adjustment mechanism 6, a gas pressure 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 gas pressure rod; the seat 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 board 42 and a seat back bracket 10 are provided in the backrest frame 41, the seat back 1 is connected to the seat 1 through the seat back bracket 10, and the table board 42 is flip-connected to the backrest frame 41; at least one table board adjustment mechanism 6 is provided on the surface of the backrest frame 41, and the table board adjustment mechanism 6 includes a strip slide 61, a sliding limit block 62 and a flip shaft 63, and the sliding limit block 62 slides in cooperation with the strip slide 61 The groove wall of the strip slide groove 61 is provided with at least one first limit groove 611, and one side of the sliding limit block 62 is provided with a limit protrusion 621 which can be embedded in the first limit groove 611; the two ends of the flip shaft 63 are respectively connected with the sliding limit block 62 and the table board 42 for flipping; the table board 42 can be flipped to a horizontal state through the table board adjustment mechanism 6, and the table board 42 is supported by the flip shaft 63. The strip slide groove 61 arranged in the backrest frame 41 is slidably matched with the sliding limit block 62, and the limit protrusion 621 arranged on the side of the sliding limit block 62 can be inserted into the first limit groove 611 to complete the fixing of the angle of the table board 42. When the sliding limit block 62 is slid to the limit position, the limit protrusion 621 is disengaged from the first limit groove 611, and the table board 42 can be folded and reset.

[0033] The working principle of the utility model is:

[0034] The user can flip the table board 42 and sit on the seat 1 backward to work. The two sides of the bottom end of the seat back 4 are recessed inward to form grooves 9. The grooves 9 allow the user to have space for the 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 inserted into the limit groove 611 to lock the flipping angle of the table board 42. In order to allow the user to work comfortably and conveniently while sitting backward on the seat 1, the seat armrest 3 can also be adjusted by the armrest angle adjustment mechanism 31. The angle adjustment range is the clamping range between the seat armrest 3 and the 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; it can also be adjusted to a vertical downward state to avoid interference from the seat armrest 3 to the user, so that the user can sit backwards on the seat 1 to work in a comfortable posture; the angle of the seat armrest 3 on one side can also be adjusted separately, and the user can sit on the seat 1 in a side-sitting posture; when the user does not want to sit backwards on the seat 1 but uses the table 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 enable the embedded armrest 7 to slide in the front and rear directions and adjust the height of the up and down directions, so that the position of the table can be adapted to users of different body shapes and heights.

[0035] In another embodiment, all the technical features of the above embodiments are included. In order to improve the user experience, please refer to Figure 2-3 and Figure 8-9The utility model is provided with an armrest angle adjustment mechanism 31, and 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 an acute angle to a superior angle. According to the needs of the user, multiple use angles can be adjusted, and the seat armrest 3 can be coordinated with the table board 42 to adjust the seat armrest 3. The hand 3 is adjusted to a vertical downward state. At this time, the user will not be disturbed by the seat armrest 3 when sitting back or getting 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 utility model and improves the user experience.

[0036] In another embodiment, all the technical features of the above embodiments are included. In order to improve the user experience, please refer to Figure 1-2 and Fig. 9 Recessed portions 9 are provided on both sides of the bottom of the seat back 4, which can provide sufficient space to avoid the problem of uncomfortable sitting posture caused by the obstruction of the seat back 4 for the legs. When the user sits backward, the user can have enough space to place his thighs, and the user can work in a comfortable posture.

[0037] In another embodiment, all technical features of the above embodiment are included, see Figure 2-7 and Fig.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 at the top of the chair armrest 3, the embedded armrest adjustment mechanism 8 is arranged in the shell 5, and 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, and a strip slot 71 is provided on the side of the embedded armrest 7 close to the chair armrest 3, one end of at least one sliding block 81 is arranged in the strip slot 71, and the other end is fixedly connected to the shell 5; the height adjustment handle 82 is arranged on the side of the shell 5 away from the seat 1, the height adjustment handle 82 and the lifting rod 83 are integrated, the lifting rod 83 is arranged in the cavity of the lifting cylinder 84, a limit block 831 is provided on the lifting rod 83, and at least one height fixing hole 841 is provided on the wall surface of the lifting cylinder 84 close to the limit block 831; the embedded armrest 7 can be set with a matching small table board, and the user can adjust the height of the seat in front of the seat The built-in armrest 7 can be used for office use, and the built-in armrest adjustment mechanism 8 can slide forward and backward and adjust the height up and down. The sliding block 81 can slide in the strip slot 71 of the built-in armrest 7, and the position in the front and rear direction can be adjusted by sliding the built-in armrest 7; the lifting rod 83 is arranged in the lifting cylinder 84, and the lifting rod 83 is provided with a limit card block 831, and the limit card block 831 is adapted to a plurality of height fixing holes 841 arranged in the cavity wall of the lifting cylinder 84. The user can lift the height adjustment handle 82, and the limit card block 831 on the lifting rod 83 is away from the height fixing hole 841 and buckled out of the height fixing hole 841. At this time, the built-in armrest 7 can be manually adjusted in the up and down direction. When it is adjusted to an appropriate height, the height adjustment handle 82 is released, and the limit card block 831 is buckled into the height fixing hole 841, and the height adjustment of the built-in armrest 7 can be completed; the built-in armrest adjustment mechanism 8 enables users of different heights and body shapes to have the most suitable use position for themselves, and flexible adjustment improves the user's use experience.

[0038] For further information, see Figure 11-12 The bottom surface of the small table 13 is provided with a first mounting tube 131 and a second mounting tube 132 which can be inserted into the outside of the embedded armrest 7. The small table 13 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 office and reverse office work 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.

[0039] In another embodiment, all technical features of the above embodiment are included, see Fig.10The edge of the seat back 4 is provided with a mounting groove 411 for installing fabric. By setting 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 difficult to fall off, and fabric and sponge are only set on the contact surface, which greatly saves costs.

[0040] In another embodiment, all technical features of the above embodiment are included, see Figure 1 , Figure 3 and Fig.13 A limiting through hole 100 is provided on the surface of one end of the seat back bracket 10 close to 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 sleeved outside the seat back bracket 10. At least one second limiting card slot 101 is provided in the limiting through hole 100, and the fixing block 11 can be inserted into the second limiting card 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 connecting the fixing block 11 on the seat back 4 with the second limiting card slot 101 in the limiting through hole 101, and a plurality of second limiting card slots 101 are provided in the limiting through hole 101, which can adjust different heights. In conjunction with the table board 42, the user can adaptively adjust the appropriate height.

[0041] The advantages of the utility model are:

[0042] 1) The seat has multiple usage postures, including lying flat, sitting backward, sitting sideways and sitting upright, meeting the user's various usage needs.

[0043] 2) The seat back is equipped with a flip-up table. Users can adjust the seat armrests to lie flat or lower them to work or perform other entertainment, movie-watching or study activities on the table.

[0044] 3) The table top can be connected to the built-in armrest, and the built-in armrest can be adjusted in four directions: front, back, up, down, and up, to provide a user experience for users of different body shapes and heights.

[0045] 4) The height of the seat back can be adjusted to meet the height requirements of different users.

[0046] The above disclosures are only several specific embodiments of the present invention, but the present invention is not limited thereto, and any changes that can be conceived by those skilled in the art should fall within the protection scope of the present invention.

Claims

1. Comfortable seats with various usage postures, It is characterized in that include: A seat and a chair leg, wherein a gas pressure rod is provided between the seat and the chair leg, and the seat and the chair leg are connected by the gas pressure 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 back frame, wherein a table board is provided in the back frame, and wherein the table board is flip-connected with the back frame; a seat back bracket is provided between the seat back and the seat, wherein one end of the seat back bracket is provided in the back frame, and the other end is connected with 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 comprises a strip-shaped slide groove, a sliding limit block and a flip shaft, the sliding limit block is slidably matched 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; the two ends of the flip shaft are respectively connected with the sliding limit block and the table top flip; The flipping of the table top drives the flipping shaft to flip so that the sliding limit block slides in the strip-shaped slide groove, and the limit protrusion is inserted into the first limit slot to keep the table top at a fixed angle.

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

3. The comfortable seat with multiple usage postures according to claim 1, It is characterized in that An 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, the outer shell is arranged in the chair armrest, and the embedded armrest can move relative to the chair armrest through the embedded armrest adjustment mechanism.

4. The comfortable seat with multiple usage postures according to claim 3, It is characterized in that The built-in armrest adjustment mechanism includes a sliding block, a height adjustment handle, a lifting rod and a lifting cylinder. A strip slot is provided on a surface of the built-in armrest 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.

5. The comfortable seat with multiple usage postures according to claim 1, It is characterized in that It also includes an armrest angle adjustment mechanism, the chair armrest is movably connected to the seat through the armrest angle adjustment mechanism, the armrest angle adjustment mechanism 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 seat; the adjustment range of the angle between the chair armrest and the seat is within the range of acute angle to superior angle.

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

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