Chair

Abstract

According to the chair provided by the utility model, the legs, especially the shanks, of a user are supported by arranging the leg support part, the state of the leg support part is adjusted by the leg support adjusting mechanism so as to meet different use requirements, and the chair has a state locking function, is more stable to use, and is convenient to use. The backrest part is further arranged to support the back of the user, the rotating angle of the backrest part is adjusted through the backrest adjusting mechanism, the use requirement that the user sits uprightly or lies at different degrees can be met, the armrest parts are further arranged and can be adjusted in a lifting mode, and the use requirements of different users or different use scenes are met; the chair disclosed by the utility model is better in comfort and adaptability.

Description

Technical Field

[0001] This utility model relates to the field of furniture technology, and in particular to a chair. Background Technology

[0002] A chair refers to any type of chair provided for convenience in daily work and life, such as an office chair or a recliner.

[0003] However, chairs in existing technological solutions typically have the following drawbacks:

[0004] Its comfort and adaptability are limited. For example, it cannot support the legs, the backrest cannot be rotated or adjusted, and the armrests are fixed and cannot be raised or lowered. It is difficult to have all the functions at the same time, resulting in poor user comfort and making it difficult to meet various usage scenarios and needs. Utility Model Content

[0005] The purpose of this invention is to address the shortcomings of existing technologies by providing a chair that supports the user's legs, especially the calves, through a leg support section. The leg support adjustment mechanism allows for adjustment of the leg support's position to meet different usage needs and includes a locking function for enhanced stability. A backrest supports the user's back, and its rotation angle is adjustable via a backrest adjustment mechanism, accommodating users whether sitting upright or reclining at different depths. The armrests are height-adjustable to accommodate different users and usage scenarios. This invention provides a chair with superior comfort and adaptability.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] A chair includes a seat and a sitting part, the sitting part being fixedly mounted on the seat; it also includes a leg rest, the front part of which is rotatably connected; and a leg rest adjustment mechanism, which is connected between the sitting part and the leg rest, and the leg rest adjustment mechanism is rotated to adjust and lock the rotation position of the leg rest.

[0008] Preferably, the leg support adjustment mechanism includes a pivot seat, which is fixedly installed on the bottom surface of the seat, and a rotating shaft is rotatably mounted on the pivot seat; it also includes a first connecting rod and a second connecting rod, one end of the first connecting rod is fixedly connected to the rotating shaft, one end of the second connecting rod is rotatably connected to the leg support, and the other end of the first connecting rod is hinged to the other end of the second connecting rod. When the rotating shaft is rotated, the leg support is driven to rotate synchronously through the connecting rod structure, so that the leg support is flipped upward to the working state or flipped downward to the storage state.

[0009] Preferably, the first link rotates forward to abut against the bottom of the seat to lock the leg rest in the working state, and rotates backward to abut against the bottom of the seat to lock the leg rest in the stored state.

[0010] Preferably, one end of the rotating shaft extends to the outer side of the seat so that the operator can rotate it.

[0011] Preferably, the first connecting rod is a straight rod, and the second connecting rod is an L-shaped bent rod.

[0012] Preferably, the system also includes an elastic element, wherein the first link and the second link are hinged together by a pivot, and one end of the elastic element is connected to the bottom surface of the seat and the other end is connected to the pivot.

[0013] Preferably, the leg support adjustment mechanism is installed at the bottom of the seat and the leg support.

[0014] Preferably, the chair also includes armrests, with one armrest installed on each of the left and right sides of the seat, and the armrests are adjustable in height.

[0015] Preferably, the chair also includes a backrest and a backrest adjustment mechanism. The backrest is rotatably mounted on the seat and located behind the seat. The backrest adjustment mechanism is located on the bottom surface of the seat and connected between the seat and the backrest. The backrest adjustment mechanism drives the backrest to rotate around a pivot point to adjust between an upright position and a reclining position.

[0016] Preferably, the backrest adjustment mechanism includes: a first mounting part and a second mounting part, which are distributed front to back and fixedly installed on the bottom surface of the seat; a telescopic drive part, wherein the middle part of the telescopic drive part is fixedly installed on the second mounting part, the telescopic drive end of the front part is connected to the first mounting part, and the drive seat of the rear part is hinged to the bottom of the backrest.

[0017] The beneficial effects of this utility model are as follows:

[0018] (1) This utility model provides support for the user's legs, especially the calves, by setting a leg support, which is more comfortable. The leg support adjustment mechanism can adjust the state of the leg support, that is, the leg support can be rotated to the working state or the storage state to meet different usage needs. It also has a state locking function, which makes the use more stable.

[0019] (2) This utility model provides support for the user's back by setting a backrest, making it more comfortable. The backrest adjustment mechanism can adjust the rotation angle of the backrest to meet the user's needs for sitting upright or lying down at different degrees, making it more comfortable.

[0020] (3) The handrail in this utility model is adjustable in height to adapt to the needs of different users or different usage scenarios, and has better adaptability. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0022] Figure 2 This is a partial structural diagram of the present invention. Figure 1 ;

[0023] Figure 3 for Figure 2 Enlarged view of point A in the middle;

[0024] Figure 4 This diagram shows the leg support portion of the present invention in the adjustment process.

[0025] Figure 5 This is a schematic diagram of the leg support portion of this utility model locked in the working state;

[0026] Figure 6 This is a schematic diagram of the leg support portion of this utility model locked in the storage state;

[0027] Figure 7 This is a partial structural diagram of the present invention. Figure 2 . Detailed Implementation

[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0029] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0030] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0031] Example 1

[0032] like Figure 1-2 As shown, a chair includes a seat 1 and a sitting part 2, the sitting part 2 being fixedly installed on the seat 1; it also includes a leg rest 3, the front part of the sitting part 2 being rotatably connected to the leg rest 3; and a leg rest adjustment mechanism 4, the leg rest adjustment mechanism 4 being connected between the sitting part 2 and the leg rest 3, the leg rest adjustment mechanism 4 being rotated to adjust and lock the rotation position of the leg rest 3.

[0033] In this embodiment, the leg support 3 provides support for the user's legs, especially the calves, making it more comfortable. The leg support adjustment mechanism 4 adjusts the state of the leg support 3. When the calves need support, the leg support 3 is rotated to the working state, and when the calves do not need support, the leg support 3 is rotated to the storage state, meeting different usage needs. It also has a state locking function, making it more stable to use.

[0034] As a preferred option, such as Figure 3 As shown, the leg support adjustment mechanism 4 includes a pivot seat 41, which is fixedly installed on the bottom surface of the seat 2. A rotating shaft 42 is rotatably mounted on the pivot seat 41. It also includes a first connecting rod 43 and a second connecting rod 44. One end of the first connecting rod 43 is fixedly connected to the rotating shaft 42, one end of the second connecting rod 44 is rotatably connected to the leg support 3, and the other end of the first connecting rod 43 is hinged to the other end of the second connecting rod 44. When the rotating shaft 42 is rotated, the leg support 3 is driven to rotate synchronously through the connecting rod structure, so that the leg support 3 is flipped upward to the working state or flipped downward to the storage state.

[0035] As a preferred option, such as Figure 4 , 5 As shown, the first link 43 rotates forward until it abuts against the bottom of the seat 2 to lock the leg rest 3 in the working state, as... Figure 4 , 6 As shown, rotate it backward until it abuts against the bottom of the seat 2 to lock the leg rest 3 in the stored state.

[0036] As a preferred option, such as Figure 1 As shown, one end of the rotating shaft 42 extends to the outer side of the seat 1 for the operator to rotate.

[0037] As a preferred option, such as Figure 3 As shown, the first connecting rod 43 is configured as a straight rod, and the second connecting rod 44 is configured as an L-shaped bent rod.

[0038] Preferably, the system also includes an elastic element 45, wherein the first connecting rod 43 and the second connecting rod 44 are hinged together by a pivot 46, and one end of the elastic element 45 is connected to the bottom surface of the seat 2 and the other end is connected to the pivot 46.

[0039] In this embodiment, the elastic element 45 is provided to assist in rapid rotation and reset, which is more labor-saving.

[0040] Preferably, the leg support adjustment mechanism 4 is installed at the bottom of the seat 2 and the leg support 3.

[0041] Example 2

[0042] The components in this embodiment that are the same as or corresponding to those in the above embodiments are referred to by the same reference numerals as those in the above embodiments. For the sake of simplicity, only the differences between this embodiment and the above embodiments are described below. The difference between this embodiment and the above embodiments is that:

[0043] As a preferred option, such as Figure 1 As shown, it also includes armrests 5. Each armrest 5 is installed on the left and right sides of the seat 2, as shown in the figure. Figure 4 , 6 As shown, the armrest 5 is adjustable in height.

[0044] In this embodiment, the armrest 5 is height-adjustable to adapt to the needs of different users or different usage scenarios, thus providing better adaptability.

[0045] It should be noted that the lifting structure of the handrail 5 in this embodiment is existing technology. For example, the lifting structure in patent number CN202421235253.2, entitled "A Lifting Handrail Structure", can be used, and will not be described in detail here.

[0046] Example 3

[0047] The components in this embodiment that are the same as or corresponding to those in the above embodiments are referred to by the same reference numerals as those in the above embodiments. For the sake of simplicity, only the differences between this embodiment and the above embodiments are described below. The difference between this embodiment and the above embodiments is that:

[0048] As a preferred option, such as Figure 1-2As shown, it also includes a backrest 6 and a backrest adjustment mechanism 7. The backrest 6 is rotatably mounted on the seat 1 and located on the rear side of the seat 2. The backrest adjustment mechanism 7 is located on the bottom surface of the seat 2 and connected between the seat 2 and the backrest 6. The backrest adjustment mechanism 7 drives the backrest 6 to rotate around the rotation point 60 to adjust between the upright state and the reclining state.

[0049] In this embodiment, the backrest 6 provides support for the user's back, making it more comfortable. The backrest adjustment mechanism 7 adjusts the rotation angle of the backrest 6 to meet the user's needs for sitting upright or lying down at different degrees, making it more comfortable.

[0050] As a preferred option, such as Figure 7 As shown, the backrest adjustment mechanism 7 includes: a first mounting part 71 and a second mounting part 72, which are distributed front to back and fixedly installed on the bottom surface of the seat 2; and a telescopic drive part 73, the middle part of which is fixedly installed on the second mounting part 72, the front telescopic drive end of which is connected to the first mounting part 71, and the rear drive seat which is hinged to the bottom of the backrest 6.

[0051] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A chair, comprising a seat (1) and a sitting part (2), wherein the sitting part (2) is fixedly mounted on the seat (1); characterized in that Also includes: The leg support (3) is rotatably connected to the front of the seat (2); and Leg support adjustment mechanism (4) is provided between the seat (2) and the leg support (3). The leg support adjustment mechanism (4) is rotated to adjust and lock the rotation position of the leg support (3). The leg support adjustment mechanism (4) includes a pivot seat (41), which is fixedly installed on the bottom surface of the seat (2). A rotating shaft (42) is rotatably installed on the pivot seat (41). It also includes a first connecting rod (43) and a second connecting rod (44). One end of the first connecting rod (43) is fixedly connected to the rotating shaft (42), one end of the second connecting rod (44) is rotatably connected to the leg support (3), and the other end of the first connecting rod (43) is hinged to the other end of the second connecting rod (44). When the rotating shaft (42) is rotated, the leg support (3) is driven to rotate synchronously through the connecting rod structure so that the leg support (3) can be flipped upward to the working state or flipped downward to the storage state.

2. A chair according to claim 1, wherein The first link (43) rotates forward to contact the bottom of the seat (2) to lock the leg support (3) in the working state, and rotates backward to contact the bottom of the seat (2) to lock the leg support (3) in the stored state.

3. A chair according to claim 1, wherein, One end of the rotating shaft (42) extends to the outer side of the seat (1) for the operator to rotate.

4. A chair according to claim 1, wherein, The first link (43) is configured as a straight link, and the second link (44) is configured as an L-shaped bent link.

5. A chair according to claim 1, wherein, It also includes an elastic element (45), and the first connecting rod (43) and the second connecting rod (44) are hinged together by a pivot (46). One end of the elastic element (45) is connected to the bottom surface of the seat (2), and the other end is connected to the pivot (46).

6. A chair according to claim 1, wherein, The leg support adjustment mechanism (4) is installed at the bottom of the seat (2) and the leg support (3).

7. A chair according to claim 1, wherein, It also includes armrests (5), and an armrest (5) is installed on both the left and right sides of the seat (2) on the seat (1), and the armrests (5) are adjustable in height.

8. A chair according to claim 1, wherein, It also includes a backrest (6) and a backrest adjustment mechanism (7). The backrest (6) is rotatably mounted on the seat (1) and located on the rear side of the seat (2). The backrest adjustment mechanism (7) is located on the bottom surface of the seat (2) and connected between the seat (2) and the backrest (6). The backrest adjustment mechanism (7) drives the backrest (6) to rotate around the rotation point (60) to adjust between the upright state and the reclining state.

9. A chair according to claim 8, wherein, The backrest adjustment mechanism (7) includes: The first mounting part (71) and the second mounting part (72) are distributed front to back and fixedly installed on the bottom surface of the seat (2); A telescopic driving part (73) is fixedly installed on the second mounting part (72) at the middle part, the telescopic driving end at the front part is connected to the first mounting part (71), and the driving seat at the rear part is hingedly connected to the bottom of the backrest part (6).

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