Seat structure with multiple adjusting postures

Abstract

The utility model discloses a multi-adjustment posture seat structure which comprises a support, a first human body bearing assembly is arranged at the top of the support, a second human body bearing assembly is arranged at one end of the first human body bearing assembly, and a third human body bearing assembly is arranged at the end, away from the first human body bearing assembly, of the second human body bearing assembly. A plurality of angle adjusting hinges are hinged between the first human body bearing assembly and the second human body bearing assembly and between the third human body bearing assembly and the second human body bearing assembly, the angle adjusting hinges are hinged to all the human body bearing assemblies at the same time, the angles of the angle adjusting hinges can be adjusted, and stabilizing structures are arranged on the angle adjusting hinges. And the stabilizing structure is used for improving the stability of the seat during posture adjustment. According to the utility model, the stability of the seat is conveniently improved when the posture of the seat is adjusted.

Description

Technical Field

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

[0002] A seat is a seating tool with a backrest and some also have armrests. Due to various different needs of people for seats, many auxiliary support frames are designed according to people's needs, such as headrests, backrests, footrests, etc., to meet people's needs in different usage scenarios, such as lying, sitting, kneeling, etc.

[0003] Common seats usually include a chair frame and an adjustment frame. The adjustment frame is rotatably connected to the chair frame, and the chair can be adjusted to a corresponding posture by rotating the adjustment frame. However, for existing seats with the ability to adjust postures, the expansion of their structures has limitations, mainly due to the limitations of the structure itself. If there are too many variable states of the structure, the entire structure is prone to falling apart. Summary of the Utility Model

[0004] This application provides a seat structure with multiple adjustable postures, which is convenient for improving the stability of the seat when adjusting the seat posture.

[0005] The seat structure with multiple adjustable postures provided by this application adopts the following technical solutions:

[0006] A seat structure with multiple adjustable postures includes a bracket. A first human body bearing component is arranged at the top of the bracket. One end of the first human body bearing component is provided with a second human body bearing component. One end of the second human body bearing component away from the first human body bearing component is provided with a third human body bearing component. A plurality of angle adjustment hinges are hinged between the first human body bearing component and the second human body bearing component, and between the third human body bearing component and the second human body bearing component. The angle adjustment hinges are simultaneously hinged to each human body bearing component, and their angles can be adjusted. A stability structure is arranged on each of the plurality of angle adjustment hinges, and the stability structure is used to improve the stability of the seat when adjusting the posture.

[0007] By adopting the above technical solutions, a seat structure with multiple adjustable postures designed by the utility model, when in use, supports the first human body bearing component, the second human body bearing component and the third human body bearing component through a bracket. The first human body bearing component, the second human body bearing component and the third human body bearing component are hinged to each other through an angle adjustment hinge. The angle adjustment hinge can adjust the angles of the first human body bearing component and the third human body bearing component, and can be adjusted according to different postures of people. In order to prevent the first human body bearing component and the third human body bearing component from being unstable during the adjustment process, a stable structure is arranged on the angle adjustment hinge to help the first human body bearing component and the third human body bearing component adjust the angles. Therefore, a seat structure with multiple adjustable postures designed by the utility model improves the stability of the seat when adjusting the seat posture.

[0008] Preferably, the stable structure includes a first fixing member and a second fixing member arranged outside the angle adjustment hinge. One ends of the first fixing member and the second fixing member away from each other are welded to the angle adjustment hinge, and one ends of the first fixing member and the second fixing member close to each other are slidably and cooperatively connected. A gasket is arranged between the first fixing member and the second fixing member.

[0009] By adopting the above technical solutions, the arranged first fixing member and second fixing member facilitate the realization of the stability of the angle adjustment hinge when adjusting the angle through the mutual cooperation of the first fixing member and the second fixing member; the arranged gasket facilitates buffering the first fixing member and the second fixing member.

[0010] Preferably, through holes are arranged in the middle of the first fixing member and the second fixing member, and locking members are arranged in the through holes.

[0011] By adopting the above technical solutions, the arranged through holes facilitate the locking members to pass through.

[0012] Preferably, a shrapnel structure is arranged on one side of the locking member close to the first fixing member, and the shrapnel structure abuts against the locking member.

[0013] By adopting the above technical solutions, the arranged shrapnel structure facilitates reducing the virtual position generated by the two fixing members when the first fixing member and the second fixing member want to move in the opposite directions.

[0014] Preferably, connection blocks are arranged on the first fixing member and the second fixing member. The connection blocks connect the parts of the first fixing member and the second fixing member welded to the angle adjustment hinge and the parts of the first fixing member and the second fixing member that are mutually attached. Spaces for arranging the locking members are formed on one sides of the two connection blocks close to the angle adjustment hinge.

[0015] By adopting the above technical solution, a connecting block is set. Since the end of the fixing piece is welded to the angle adjustment hinge, in order to prevent the first fixing piece and the second fixing piece from being worn near the angle adjustment hinge due to the joint, a connecting block is set to form a part of the space, and this part of the space is also used to set the locking piece.

[0016] Preferably, a groove is provided on the first fixing member, and the groove is used to accommodate an end of the second fixing member close to the first human body supporting component.

[0017] By adopting the above technical solution, the groove is provided, and since the human body bearing assembly will rotate when adjusting the angle, the provided groove can accommodate the end of the second fixing member for adjustment.

[0018] Preferably, the locking member comprises a disk disposed on a side away from the first fixing member, a locking rod is fixedly connected to the disk, the locking rod passes through the through hole, and one end of the locking rod away from the disk abuts against the angle adjustment hinge.

[0019] By adopting the above technical solution, the provided disc facilitates the fixing of the locking member and the fixing member to each other; the provided locking rod facilitates the locking of the distance between the fixing member and the angle adjustment hinge, thereby preventing the human body bearing component from shaking in the lateral direction when adjusting the angle.

[0020] Preferably, the bracket is provided with a first threaded hole, the second human body supporting component is provided with a second threaded hole, the first threaded hole is threadedly connected with a fastening bolt, and the second human body supporting component is detachably connected to the bracket via the fastening bolt.

[0021] By adopting the above technical solution, the first threaded hole and the second threaded hole are provided, so as to facilitate simultaneous threaded connection of the fastening bolts; the fastening bolts are provided, so as to facilitate detachable connection of the bracket with the second human body bearing component.

[0022] Preferably, a plurality of support rods are provided on the second human body supporting assembly, and the support rods include square support rods and arc-shaped support rods.

[0023] By adopting the above technical solution, the support rod is provided to facilitate supporting the human body and connecting various rod parts; the arc-shaped support rod is provided to facilitate improving the bearing capacity of the support rod.

[0024] In summary, this application has the following beneficial effects:

[0025] 1. This structure is convenient for adjusting the lifting angles of the first human body bearing component and the third human body bearing component by hingedly connecting the angle adjustment hinges between the first human body bearing component, the second human body bearing component and the third human body bearing component, so as to realize different postures of the seat;

[0026] 2. This structure is provided with a stabilizing structure on the angle-adjustable hinge, which makes the angle-adjustable hinge more stable when adjusting the angle through the stabilizing structure;

[0027] 3. By setting the arc-shaped support rod and the square support rod, this structure facilitates the support of the human body and improves the load-bearing capacity of the structure at the same time. Description of the Drawings

[0028] Figure 1 is a schematic structural diagram of the embodiment;

[0029] Figure 2 is an enlarged schematic diagram showing the stabilizing structure in the embodiment;

[0030] Figure 3 is a cross-sectional view showing the fastening bolt in the embodiment;

[0031] Figures 4 to 8 is a schematic structural diagram showing different postures in the embodiment;

[0032] Description of the Reference Numerals: 1, bracket; 2, first human body bearing assembly; 3, second human body bearing assembly; 4, third human body bearing assembly; 5, angle-adjustable hinge; 6, stabilizing structure; 61, first fixing member; 62, second fixing member; 63, connecting block; 64, gasket; 65, elastic sheet structure; 7, through hole; 8, locking member; 81, disc; 82, locking rod; 9, groove; 10, first threaded hole; 11, second threaded hole; 12, fastening bolt; 13, support rod; 131, square support rod; 132, arc-shaped support rod. Detailed Description of the Embodiment

[0033] The following further describes the present utility model in detail with reference to the drawings. The same components are denoted by the same reference numerals. It should be noted that the terms "front", "rear", "left", "right", "up", "down", "bottom surface" and "top surface" used in the following description refer to the directions in the drawings, and the terms "inner" and "outer" refer to the directions towards or away from the geometric center of a specific component respectively.

[0034] Embodiment 1:

[0035] The present utility model discloses a multi-adjustable posture seat structure, as Figures 1 to 3As shown in the figure, it includes a bracket 1. At the top of the bracket 1, there is a first human body bearing component 2. One end of the first human body bearing component 2 is provided with a second human body bearing component 3. At the end of the second human body bearing component 3 away from the first human body bearing component 2, there is a third human body bearing component 4. A plurality of angle adjustment hinges 5 are hinged between the first human body bearing component 2 and the second human body bearing component 3, and between the third human body bearing component 4 and the second human body bearing component 3. The angle adjustment hinge 5 is simultaneously hinged to each human body bearing component, and its angle can be adjusted. The angle adjustment hinge 5 is a prior art, so no description is given. The first human body bearing component 2 and the second human body bearing component 3, and the third human body bearing component 4 and the second human body bearing component 3 are all hinged through a plurality of angle adjustment hinges 5, enabling the seat to flexibly adjust its posture in multiple directions. A stabilizing structure 6 is provided on each of the plurality of angle adjustment hinges 5. The stabilizing structure 6 is used to enhance the stability of the seat when adjusting its posture. The stabilizing structure 6 includes a first fixing member 61 and a second fixing member 62 arranged outside the angle adjustment hinge 5. The ends of the first fixing member 61 and the second fixing member 62 away from each other are welded to the angle adjustment hinge 5. The ends of the first fixing member 61 and the second fixing member 62 close to each other are slidably fitted and connected. A gasket 64 is provided between the first fixing member and the second fixing member.

[0036] Through holes 7 are provided in the middle of the first fixing member 61 and the second fixing member 62. The center of the through hole 7 is on the same horizontal line as the central axis of the angle adjustment hinge 5. A locking member 8 is arranged in the through hole 7. The locking member 8 includes a disc 81 arranged on the side of the first fixing member 61 away from each other. The diameter of the disc 81 is larger than that of the through hole 7. A locking rod 82 is fixedly connected to the disc 81. The locking rod 82 passes through the through hole 7. The end of the locking rod 82 away from the disc 81 abuts against the angle adjustment hinge 5. The first fixing member 61 and the second fixing member 62 are tightly locked on the angle adjustment hinge 5 through the locking member 8, effectively preventing the seat from shaking that may occur when adjusting its posture. A shrapnel structure 65 is provided on the side of the locking member 8 close to the first fixing member 61, and the shrapnel structure 65 abuts against the locking member 8.

[0037] The first fixing member 61 and the second fixing member 62 are provided with connecting blocks 63. The connecting blocks 63 are L-shaped. The connecting blocks 63 connect the part of the welding angle adjustment hinge 5 between the first fixing member 61 and the second fixing member 62 and the part where the first fixing member 61 and the second fixing member 62 are mutually attached. A space for setting the locking member 8 is formed on one side of the two connecting blocks 63 close to the angle adjustment hinge 5. The connecting blocks 63 are made of wear-resistant materials. This material has excellent wear resistance and can resist friction loss during long-term use, thus significantly increasing the service life of the connecting blocks 63 and reducing the maintenance cost. A groove 9 is provided on the first fixing member 61. The groove 9 is used to accommodate one end of the second fixing member 62 close to the first human body bearing component 2. The cross-sectional shape of the groove 9 matches the cross-sectional shape of one end of the second fixing member 62 close to the first human body bearing component 2 to ensure that the second fixing member 62 can be stably accommodated in the groove 9.

[0038] The bracket 1 is provided with a first threaded hole 10, and the second human body bearing component 3 is provided with a second threaded hole 11. A fastening bolt 12 is threadedly connected to the first threaded hole 10, and the second human body bearing component 3 is detachably connected to the bracket 1 through the fastening bolt 12. The second human body bearing component 3 is provided with a plurality of support rods 13. The support rods 13 include a square support rod 131 and an arc support rod 132.

[0039] Working principle: A multi-adjustable posture seat structure designed by the present utility model mainly connects the first human body bearing component 2, the second human body bearing component 3, and the third human body bearing component 4 through the angle adjustment hinge 5. The angle adjustment hinge 5 can adjust different angles and be fixed at the same time. During the adjustment process, the rods in the first human body bearing component 2 and the third human body bearing component 4 will lift or lower along the angle adjustment hinge 5. However, since both sides of the part where the rod is hinged to the angle adjustment hinge 5 may be hollow, it is prone to instability in the horizontal direction. The stable structure 6 is composed of the first fixing member 61 and the second fixing member 62 welded at both ends of the angle adjustment hinge 5. The two fixing members are slidably connected to each other, and a locking rod 82 is fixedly connected in the middle. The locking rod 82 is used to maintain the stability between the angle adjustment hinge 5 and the fixing member, so that the rods in the human body bearing component can be stable when moving. Therefore, a multi-adjustable posture seat structure designed by the present utility model is convenient for improving the stability of the seat when adjusting the seat posture.

[0040] Embodiment 2:

[0041] Since the seat designed with this structure is an adjustable seat, it can be adjusted to different postures under different circumstances:

[0042] Such as Figure 4As shown, in this usage state, a person can sit on the second human body bearing component 3, lean against the first human body bearing component 2, place items such as a laptop on the third human body bearing component 4, or cooperate with yoga poses (including kneeling poses, with hands supporting the third human body bearing component 4).

[0043] As Figure 5 shown, this structure can be in a state of folding, storage placement, and transportation, or in a kneeling position with hands supporting the third human body bearing component 4 at a higher point, having a yoga function (such as stretching the back, stretching the waist, etc., as an auxiliary support), and can also be used for kneeling and reading while supporting the third human body bearing component 4.

[0044] As Figure 6 shown, both the first human body bearing component 2 and the third human body bearing component 4 are facing upwards, and the whole person is in a U shape, which can be used in cooperation with yoga poses, with the head leaning against the first human body bearing component 2, lying on the second human body bearing component 3, and the feet placed on the third human body bearing component 4.

[0045] As Figure 1 、 Figure 7 and Figure 8 shown, a person can lie down, lean against the second human body bearing component 3, and then raise the feet and place them on the third human body bearing component 4, or cooperate with some yoga poses (for example, with the head facing the third human body bearing component 4, anti-back or top-waist actions can be done, or lying down with the head facing the first human body bearing component 2 and the feet being raised by the third human body bearing component 4), so the angle is not restricted.

[0046] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereby. Therefore, all equivalent changes made according to the structure, shape, and principle of the present application shall be covered within the protection scope of the present application.

Claims

1. A seat structure with multiple adjustable postures, characterized in that: It includes a bracket (1), a first human body bearing component (2) is arranged at the top of the bracket (1), a second human body bearing component (3) is arranged at one end of the first human body bearing component (2), a third human body bearing component (4) is arranged at the end of the second human body bearing component (3) far away from the first human body bearing component (2), and a plurality of angle adjustment hinges (5) are hinged between the first human body bearing component (2) and the second human body bearing component (3), and between the third human body bearing component (4) and the second human body bearing component (3). The angle adjustment hinge (5) is simultaneously hinged to each human body bearing component and its angle can be adjusted. A stability structure (6) is arranged on each of the plurality of angle adjustment hinges (5), and the stability structure (6) is used to improve the stability when the seat adjusts its posture.

2. The multi-adjustable posture seat structure according to claim 1, wherein: The stability structure (6) includes a first fixing member (61) and a second fixing member (62) arranged outside the angle adjustment hinge (5). One ends of the first fixing member (61) and the second fixing member (62) away from each other are welded to the angle adjustment hinge (5), and one ends of the first fixing member (61) and the second fixing member (62) close to each other are slidably connected. A gasket (64) is arranged between the first fixing member (61) and the second fixing member (62).

3. The multi-adjustable posture seat structure according to claim 2, characterized in that: Through holes (7) are arranged in the middle of the first fixing member (61) and the second fixing member (62), and a locking member (8) is arranged in the through hole (7).

4. A multi-adjustable posture seat structure according to claim 3, characterized in that: A shrapnel structure (65) is arranged on one side of the locking member (8) close to the first fixing member (61), and the shrapnel structure (65) abuts against the locking member (8).

5. The seat structure with multiple attitude adjustments according to claim 2, characterized in that: Connecting blocks (63) are arranged on the first fixing member (61) and the second fixing member (62). The connecting blocks (63) connect the parts of the first fixing member (61) and the second fixing member (62) welded to the angle adjustment hinge (5) and the parts of the first fixing member (61) and the second fixing member (62) that are in contact with each other. Spaces for arranging the locking member (8) are formed on one side of the two connecting blocks (63) close to the angle adjustment hinge (5).

6. The multi-adjustable posture seat structure according to claim 2, characterized in that: A groove (9) is arranged on the first fixing member (61), and the groove (9) is used to accommodate one end of the second fixing member (62) close to the first human body bearing component (2).

7. The multi-adjustable attitude seat structure according to claim 3, characterized in that: The locking member (8) includes a disc (81) arranged on one side of the first fixing member (61) away from each other. A locking rod (82) is fixedly connected to the disc (81). The locking rod (82) penetrates through the through hole (7), and one end of the locking rod (82) away from the disc (81) abuts against the angle adjustment hinge (5).

8. A multi-adjustable posture seat structure according to claim 1, characterized in that: A first threaded hole (10) is arranged on the bracket (1), a second threaded hole (11) is arranged on the second human body bearing component (3), and a fastening bolt (12) is threadedly connected to the first threaded hole (10). The second human body bearing component (3) is detachably connected to the bracket (1) through the fastening bolt (12).

9. A multi-adjustable posture seat structure according to claim 1, characterized in that: A plurality of support rods (13) are provided on the second human body bearing component (3), and the support rods (13) include a square support rod (131) and an arc support rod (132).

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