A chair with lumbar support

Abstract

The utility model discloses a chair with waist support, including chair body, support leg, support mechanism and mounting mechanism, be provided with backrest on chair body, and support leg is installed in the bottom of chair body, and support mechanism is used for supporting the waist of chair body user, and support mechanism includes bearing assembly, support board and fixed column, and bearing assembly is located on the backrest, and support board is located in the side of bearing assembly, and fixed column is fixedly connected in the side of support board, and mounting mechanism is located in the side of support board, the utility model discloses the mutual cooperation of support board, bearing assembly, mounting mechanism and guide piece, and support board supports the waist of user, and mounting frame supports support board, and the height of support board is adjusted, and mounting mechanism installs and dismantles support board and mounting frame, and chair body is favorable for providing waist support for user, and it is more comfortable for user to sit on chair body.

Description

Technical Field

[0001] This utility model relates to the field of chairs, and in particular to a chair with lumbar support. Background Technology

[0002] Chairs are a common piece of everyday furniture, primarily used for sitting and resting. There are various types of chairs.

[0003] Chairs in the prior art typically include a chair body, support legs, a backrest, and armrests. The backrest is located on the chair body, and the armrests are located on the sides of the chair body. The support legs are located at the bottom of the chair body and support the chair body. Then, the user sits on the chair body with their back against the backrest.

[0004] However, when a user leans back, their lower back is usually unsupported, which can lead to lower back fatigue. Therefore, it is necessary for the chair to provide support for the user's lower back. Utility Model Content

[0005] The purpose of this invention is to provide a chair with lumbar support to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a chair with lumbar support, comprising: A chair body, on which a backrest is provided; Support legs, which are mounted on the bottom of the chair body; A support mechanism, located on the side of the backrest, is used to support the lumbar region of the user in the main body of the chair. The support mechanism includes: A support assembly located on the backrest; Support plate, the support plate being located on the side of the load-bearing component; A fixed column is fixedly connected to the side of the support plate; The mounting mechanism is located on the side of the support plate and is used to fix the support plate to the load-bearing component.

[0007] Preferably, the support mechanism further includes: An assembly plate, which is fixedly connected to the side of a fixed column; Mounting bracket, which is located on the side of the assembly plate; A guide member, located on the support assembly, is used to vertically guide the sliding of the mounting bracket.

[0008] Preferably, the carrier component includes: A support plate, which is fixedly connected to the side of the backrest; A movable plate is fixedly connected to the side of the inner wall of the mounting frame. A first through groove is provided on the side of the bearing plate, and a groove is provided on the side of the inner wall of the first through groove. The movable plate is slidably inserted into the inner cavity of the first through groove and the groove. An adjusting screw is rotatably connected inside a groove, and the outer wall of the adjusting screw is threadedly connected to a movable plate.

[0009] Preferably, the guide includes: A guide plate, which is fixedly connected to the side of the support plate; An auxiliary plate, which is fixedly connected to the side of the guide plate; The guide groove is formed on the side of the inner wall of the mounting frame, and the auxiliary plate is slidably inserted into the inner cavity of the guide groove.

[0010] Preferably, the mounting mechanism includes: An assembly column, which is fixedly connected to the side of the assembly plate; The mounting slot is located on the side of the mounting frame, and the assembly column is slidably inserted into the inner cavity of the mounting slot.

[0011] Preferably, the mounting mechanism further includes: Mounting plate, the assembly column has a slot that matches the mounting plate; The first slide groove is formed on the side of the inner wall of the mounting groove, and the mounting plate is slidably inserted into the inner cavity of the first slide groove. A traction frame, which is fixedly connected to the end of the mounting plate; An auxiliary component, located on the side of the mounting plate.

[0012] Preferably, the auxiliary component includes: A connecting plate, which is fixedly connected to the mounting plate; The second slide groove is formed on the side of the inner wall of the first slide groove, and the connecting plate is slidably inserted into the inner cavity of the second slide groove. A tension spring, one end of which is fixedly connected to a connecting plate, and the other end of which is fixedly connected to the side of the inner wall of the second slide groove; A positioning block is fixedly connected to the side of the inner wall of the second slide groove, and the positioning block is located at the bottom of the connecting plate.

[0013] Preferably, the auxiliary component further includes: An auxiliary rod, the end of which is fixedly connected to a connecting plate; An auxiliary seat is fixedly connected to the inside of the second sliding groove, and the auxiliary rod is slidably inserted into the inner cavity of the auxiliary seat.

[0014] The technical effects and advantages of this utility model are as follows: This invention utilizes the cooperation of a support plate, a load-bearing component, a mounting frame, a mounting mechanism, and guide components. The support plate supports the user's waist, the load-bearing component supports the mounting frame, the mounting frame supports the support plate and adjusts the height of the support plate, and the mounting mechanism installs and removes the support plate and mounting frame. As a result, the chair body provides lumbar support for the user, making it more comfortable for the user to sit on the chair body. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0016] Figure 2 This is a schematic diagram of the side structure of the support plate of this utility model.

[0017] Figure 3 This is a schematic diagram of the side structure of the bearing plate of this utility model.

[0018] Figure 4 This is a side sectional view of the bearing plate of this utility model.

[0019] Figure 5 This is a side sectional view of the mounting bracket of this utility model.

[0020] In the diagram: 1. Chair body; 2. Backrest; 3. Support legs; 4. Support mechanism; 41. Load-bearing plate; 42. Support plate; 43. Fixed column; 44. Assembly plate; 45. Mounting bracket; 46. Moving plate; 47. Adjusting screw; 48. Guide plate; 49. Auxiliary plate; 5. Mounting mechanism; 51. Assembly column; 52. Mounting plate; 53. Connecting plate; 54. Tension spring; 55. Auxiliary rod; 56. Auxiliary seat; 57. Positioning block. Detailed Implementation

[0021] 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.

[0022] This utility model provides, for example Figure 1-5 The chair shown is a chair with lumbar support.

[0023] Example 1: The chair includes a main body 1, support legs 3, a support mechanism 4, and a mounting mechanism 5. The support legs 3 provide support for the bottom of the main body 1. The main body 1 has a backrest 2. The support legs 3 are mounted on the bottom of the main body 1. The support mechanism 4 is located on the side of the backrest 2 and is used to support the user's waist. The support mechanism 4 includes a load-bearing component, a support plate 42, and a fixing post 43. The support plate 42 is made of high-elastic sponge material, which is easy to fit the user's waist, thus providing support and preventing waist fatigue. The fixing post 43 is made of rubber, which provides a range of motion for the support plate 42, thus providing a range of motion when the user leans back. The load-bearing component is located on the backrest 2, the support plate 42 is located on the side of the load-bearing component, and the fixing post 43 is fixedly connected to the side of the support plate 42. The mounting mechanism 5 is located on the side of the support plate 42 and is used to fix the support plate 42 to the load-bearing component.

[0024] Furthermore, the support mechanism 4 also includes an assembly plate 44, a mounting frame 45, and a guide. The assembly plate 44 is conducive to supporting the fixed column 43 and facilitating the installation of the support plate 42. The mounting frame 45 is U-shaped and is conducive to connecting with the assembly plate 44, while also facilitating the up-and-down movement of the support plate 42. The assembly plate 44 is fixedly connected to the side of the fixed column 43, the mounting frame 45 is located on the side of the assembly plate 44, and the guide is located on the load-bearing component. The guide is used to vertically guide the sliding of the mounting frame 45.

[0025] Furthermore, the supporting components include a support plate 41, a movable plate 46, and an adjusting screw 47. The support plate 41 facilitates the rotation of the adjusting screw 47, providing support for the adjusting screw 47. The movable plate 46 facilitates the up-and-down movement of the mounting frame 45, allowing for adjustment of the height of the support plate 42 to accommodate different users' lumbar support positions. The support plate 41 is fixedly connected to the side of the backrest 2, and the movable plate 46 is fixedly connected to the side of the inner wall of the mounting frame 45. A first through groove is formed on the side of the support plate 41, and a groove is formed on the side of the inner wall of the first through groove. The movable plate 46 is slidably inserted into the inner cavity of both the first through groove and the groove. The adjusting screw 47 is rotatably connected to the inside of the groove, and the outer wall of the adjusting screw 47 is threadedly inserted into the movable plate 46.

[0026] Specifically, the guide components include a guide plate 48, an auxiliary plate 49, and a guide groove. The guide plate 48 and the auxiliary plate 49 facilitate vertical guidance of the up-and-down movement of the mounting frame 45, thereby increasing the stability of the movement of the mounting frame 45. The guide plate 48 is fixedly connected to the side of the bearing plate 41, and the auxiliary plate 49 is fixedly connected to the side of the guide plate 48. The guide groove is opened on the side of the inner wall of the mounting frame 45, and the auxiliary plate 49 is slidably inserted into the inner cavity of the guide groove.

[0027] Furthermore, the installation mechanism 5 includes an assembly column 51 and an installation groove. The assembly column 51 facilitates the connection between the assembly plate 44 and the mounting frame 45 to position the installation of the assembly plate 44. The assembly column 51 is fixedly connected to the side of the assembly plate 44, and the installation groove is opened on the side of the mounting frame 45. The assembly column 51 and the inner cavity of the installation groove are slidably interlocked.

[0028] Furthermore, the installation mechanism 5 also includes an installation plate 52, a first sliding groove, a traction frame, and auxiliary components. The installation plate 52 helps to define the relative positions of the installation frame 45 and the assembly column 51, facilitating the installation and disassembly of the assembly plate 44 to remove and replace the support plate 42. The traction frame is U-shaped, which facilitates the pulling operation of the installation plate 52. The assembly column 51 has a slot that cooperates with the installation plate 52. The first sliding groove is opened on the side of the inner wall of the installation groove. The installation plate 52 is slidably inserted into the inner cavity of the first sliding groove. The traction frame is fixedly connected to the end of the installation plate 52. The auxiliary components are located on the side of the installation plate 52.

[0029] Specifically, the auxiliary components include a connecting plate 53, a second slide groove, a tension spring 54, and a positioning block 57. The connecting plate 53 facilitates the movement of the mounting plate 52, enabling driving operations on the mounting plate 52. The tension of the tension spring 54 facilitates the movement of the connecting plate 53, allowing the mounting plate 52 to return to its original position after movement, facilitating repeated operations on the mounting plate 52. The positioning block 57 helps to limit the movement position of the connecting plate 53 and ensures that the tension spring 54 has a certain tension in its initial position. The connecting plate 53 is fixedly connected to the mounting plate 52. The second slide groove is formed on the side of the inner wall of the first slide groove. The connecting plate 53 is slidably inserted into the inner cavity of the second slide groove. One end of the tension spring 54 is fixedly connected to the connecting plate 53, and the other end of the tension spring 54 is fixedly connected to the side of the inner wall of the second slide groove. The positioning block 57 is fixedly connected to the side of the inner wall of the second slide groove and is located at the bottom of the connecting plate 53.

[0030] Example 2: Based on Example 1, the auxiliary component further includes an auxiliary rod 55 and an auxiliary seat 56. The auxiliary rod 55 and the auxiliary seat 56 facilitate vertical guidance of the movement of the connecting plate 53 to increase the stability of the movement of the connecting plate 53. The end of the auxiliary rod 55 is fixedly connected to the connecting plate 53, and the auxiliary seat 56 is fixedly connected to the inside of the second slide groove. The auxiliary rod 55 and the inner cavity of the auxiliary seat 56 are slidably interlocked.

[0031] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., 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 with lumbar support, characterized in that, include: The chair body (1) is provided with a backrest (2); Support leg (3), said support leg (3) is installed at the bottom of the chair body (1); A support mechanism (4) is located on the side of the backrest (2) and is used to support the waist of the user of the chair body (1). The support mechanism (4) includes: A support component, which is located on the backrest (2); Support plate (42), the support plate (42) is located on the side of the load-bearing component; Fixed column (43), the fixed column (43) is fixedly connected to the side of the support plate (42); The mounting mechanism (5) is located on the side of the support plate (42) and is used to fix the support plate (42) to the load-bearing component.

2. A chair with lumbar support according to claim 1, characterized in that, The support mechanism (4) also includes: Assembly plate (44), said assembly plate (44) is fixedly connected to the side of the fixed column (43); Mounting bracket (45), which is located on the side of the assembly plate (44); A guide member, located on the support assembly, is used to vertically guide the sliding of the mounting bracket (45).

3. A chair with lumbar support according to claim 2, characterized in that, The carrier component includes: The support plate (41) is fixedly connected to the side of the backrest (2); The movable plate (46) is fixedly connected to the side of the inner wall of the mounting frame (45). The side of the bearing plate (41) is provided with a first through groove, and the side of the inner wall of the first through groove is provided with a groove. The movable plate (46) is slidably inserted into the inner cavity of the first through groove and the groove. An adjusting screw (47) is rotatably connected to the inside of a groove, and the outer wall of the adjusting screw (47) is threadedly connected to the movable plate (46).

4. A chair with lumbar support according to claim 3, characterized in that, The guide component includes: Guide plate (48), the guide plate (48) is fixedly connected to the side of the bearing plate (41); An auxiliary plate (49) is fixedly connected to the side of a guide plate (48); The guide groove is located on the side of the inner wall of the mounting bracket (45), and the auxiliary plate (49) is slidably inserted into the inner cavity of the guide groove.

5. A chair with lumbar support according to claim 4, characterized in that, The installation mechanism (5) includes: Assembly column (51), the assembly column (51) is fixedly connected to the side of the assembly plate (44); The mounting slot is located on the side of the mounting frame (45), and the assembly column (51) is slidably inserted into the inner cavity of the mounting slot.

6. A chair with lumbar support according to claim 5, characterized in that, The installation mechanism (5) also includes: Mounting plate (52), the assembly column (51) is provided with a slot that matches the mounting plate (52); The first slide groove is formed on the side of the inner wall of the mounting groove, and the mounting plate (52) is slidably inserted into the inner cavity of the first slide groove. A traction frame, which is fixedly connected to the end of the mounting plate (52); An auxiliary component located on the side of the mounting plate (52).

7. A chair with lumbar support according to claim 6, characterized in that, The auxiliary components include: A connecting plate (53) is fixedly connected to the mounting plate (52); The second slide groove is opened on the side of the inner wall of the first slide groove, and the connecting plate (53) is slidably inserted into the inner cavity of the second slide groove. A tension spring (54), one end of which is fixedly connected to a connecting plate (53), and the other end of which is fixedly connected to the side of the inner wall of the second groove; Positioning block (57) is fixedly connected to the side of the inner wall of the second slide groove, and the positioning block (57) is located at the bottom of the connecting plate (53).

8. A chair with lumbar support according to claim 7, characterized in that, The auxiliary components also include: An auxiliary rod (55) is fixedly connected at its end to a connecting plate (53); The auxiliary seat (56) is fixedly connected to the inside of the second slide groove, and the auxiliary rod (55) is slidably inserted into the inner cavity of the auxiliary seat (56).

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