Sedentary decompression cushion office chair

Abstract

This invention provides a stress-relieving and cushioning office chair, including a base frame. A pivot is fixedly connected to one side of the top surface of the base frame. A support frame is rotatably connected to the top of the base frame via the pivot. A mounting plate is fixedly embedded inside the support frame, and a seat cushion is fixedly connected to the top of the mounting plate. An armrest is fixedly connected to the top of the support frame, and a backrest is fixedly connected to the top of the backrest. A hydraulic pipe is provided inside the base frame, and a hydraulic rod is slidably installed inside the hydraulic pipe. This invention utilizes the support frame's rotation under gravity to compress the hydraulic rod and hydraulic pipe, causing the hydraulic rod to slide and contract inside the hydraulic pipe. The pivot at one end of the hydraulic rod and hydraulic pipe automatically rotates to a suitable angle, providing a stress-relieving and cushioning effect for the user.

Description

Technical Field

[0001] This utility model relates to the field of office chair technology, and in particular to a cushioning office chair that reduces the pressure of prolonged sitting. Background Technology

[0002] Office chairs refer to various chairs provided for convenience in daily work and social activities. In a narrow sense, office chairs refer to backrest chairs used for desk work while seated. In a broad sense, office chairs refer to all chairs used in offices.

[0003] In the prior art, Chinese Patent No. CN203914122U discloses a pressure-relieving office chair, including a frame, which is connected to the seat via a rotating shaft. A spring is connected to the middle of the rotating shaft, and a support plate is welded at the connection between the frame and the rotating shaft. The seat and backrest are fixedly connected, and both the seat and backrest are fixedly connected to the armrests. This utility model connects the frame to the seat via a rotating shaft and welds a spring onto the rotating shaft. When feeling tired at work and needing a short rest, one can recline on the chair to release work pressure. The above application solves the problem of pressure relief in existing office chairs by welding a spring onto the rotating shaft. However, the spring design may be prone to metal fatigue with long-term use, leading to a reduced lifespan of the device. Moreover, the heat dissipation effect is not good enough, which affects the overall comfort to some extent. Utility Model Content

[0004] This invention proposes a stress-relieving and cushioning office chair for prolonged sitting, in order to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: A seated, pressure-relieving, and cushioning office chair includes a base frame. A pivot is fixedly connected to one side of the top surface of the base frame. A support frame is rotatably connected to the top of the base frame via the pivot. A mounting plate is fixedly embedded inside the support frame. A seat cushion is fixedly connected to the top of the mounting plate. An armrest is fixedly connected to the top of the support frame. A backrest is fixedly connected to the top surface of the support frame. A headrest is fixedly connected to the top of the backrest. A hydraulic pipe is provided inside the base frame, and a hydraulic rod is slidably installed inside the hydraulic pipe. The above components facilitate the adjustment of the chair's angle according to the user's posture and allow for easy resetting, thus improving the chair's adaptability.

[0006] Preferably, the bottom of the hydraulic pipe and the top of the hydraulic rod are both fixedly connected to one side of a rotating shaft. The hydraulic pipe is rotatably connected to the bottom frame through the rotating shaft, and the hydraulic rod is rotatably connected to the support frame through the rotating shaft. By setting the connection method between the hydraulic pipe, the hydraulic rod and the bottom frame and the support frame, the hydraulic pipe and the hydraulic rod can adapt to the change of angle between the bottom frame and the support frame.

[0007] Preferably, a limiting ring is fixedly connected to the bottom surface of the hydraulic pipe and the top surface of the hydraulic rod. A spring is sleeved on the surface of the hydraulic pipe and the hydraulic rod. Through the installation method of the limiting ring and the spring, the spring supports the limiting ring, so that the hydraulic pipe and the hydraulic rod have a supporting force that expands in opposite directions.

[0008] Preferably, the surfaces of the mounting plate and the seat cushion are provided with several ventilation holes, and the surfaces of the backrest and the pillow are fixedly connected with soft pads. The ventilation hole design improves the heat dissipation and ventilation effect of the device, and the soft pad design improves the user's comfort.

[0009] Furthermore, the plurality of ventilation holes are evenly distributed in multiple rows and columns on the surfaces of the mounting plate and the seat cushion. The number and distribution of the ventilation holes can be set based on empirical data to achieve better air circulation between the mounting plate and the seat cushion.

[0010] Preferably, a mounting bracket is fixedly connected to the rear side of the bottom frame. The mounting bracket is located on the rear side of the support frame. The positioning design of the mounting bracket improves the stability of the device when the user uses it.

[0011] Preferably, the number of handrails is set to two, and the sides of the handrails are fixedly connected to the backrest. By setting the number of handrails and the connection method, the stability of the backrest during installation is improved.

[0012] Compared with the prior art, the advantages and positive effects of this utility model are as follows: 1. This utility model utilizes the support frame to rotate backward under the action of gravity and squeeze the hydraulic rod and hydraulic pipe, causing the hydraulic rod to slide and contract inside the hydraulic pipe. The shaft at one end of the hydraulic rod and hydraulic pipe automatically rotates to a suitable angle, which has a pressure-reducing and buffering effect on the user and improves the comfort of the device. 2. This utility model improves the heat dissipation and ventilation effect of the device by providing several ventilation holes on the surface of both the mounting plate and the seat cushion, reducing the stuffiness of the user's buttocks and improving the user's comfort. Attached Figure Description

[0013] Figure 1 This utility model provides a front view perspective view of a seated pressure-reducing and cushioning office chair. Figure 2 This utility model provides an enlarged schematic diagram of the support frame connection structure in a seated pressure-reducing and cushioning office chair. Figure 3 This utility model provides an enlarged schematic diagram of the bottom frame connection structure of a seated pressure-reducing and cushioning office chair. Figure 4This invention provides an enlarged schematic diagram of the armrest connection structure in a seated, pressure-relieving, and cushioning office chair.

[0014] Legend: 1. Base frame; 2. Rotating shaft; 3. Support frame; 4. Mounting plate; 5. Seat cushion; 6. Vent hole; 7. Armrest; 8. Backrest; 9. Pillow board; 10. Soft cushion; 11. Hydraulic pipe; 12. Hydraulic rod; 13. Limiting ring; 14. Spring; 15. Mounting bracket. Detailed Implementation

[0015] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0016] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0017] Please see Figures 1-4 This utility model provides a seated pressure-relieving and cushioning office chair, including a base frame 1. A rotating shaft 2 is fixedly connected to one side of the top surface of the base frame 1. A support frame 3 is rotatably connected to the top of the base frame 1 via the rotating shaft 2. An installation plate 4 is fixedly embedded inside the support frame 3. A seat cushion 5 is fixedly connected to the top of the installation plate 4. An armrest 7 is fixedly connected to the top of the support frame 3. A backrest 8 is fixedly connected to the top surface of the support frame 3. A pillow board 9 is fixedly connected to the top of the backrest 8. A hydraulic pipe 11 is provided inside the base frame 1. A hydraulic rod 12 is slidably installed inside the hydraulic pipe 11. Through the above-mentioned components, the device can easily adjust its angle according to the user's posture and can easily reset itself, thus improving the adaptability of the device.

[0018] like Figure 2 As shown, the bottom of the hydraulic pipe 11 and the top of the hydraulic rod 12 are both fixedly connected to one side of the rotating shaft 2. The hydraulic pipe 11 is rotatably connected to the bottom frame 1 through the rotating shaft 2, and the hydraulic rod 12 is rotatably connected to the support frame 3 through the rotating shaft 2. By setting the connection method between the hydraulic pipe 11, the hydraulic rod 12 and the bottom frame 1 and the support frame 3, the hydraulic pipe 11 and the hydraulic rod 12 can adapt to the change of angle between the bottom frame 1 and the support frame 3.

[0019] like Figure 2As shown, limit rings 13 are fixedly connected to the bottom of the surface of the hydraulic pipe 11 and the top of the surface of the hydraulic rod 12. Springs 14 are sleeved on the surfaces of the hydraulic pipe 11 and the hydraulic rod 12. Through the installation method of the limit rings 13 and the springs 14, the springs 14 support the limit rings 13, so that the hydraulic pipe 11 and the hydraulic rod 12 have supporting forces that expand in opposite directions.

[0020] like Figure 2 As shown, both the mounting plate 4 and the seat cushion 5 have several ventilation holes 6 on their surfaces. The backrest 8 and the pillow board 9 are both fixedly connected to soft pads 10. The ventilation holes 6 improve the heat dissipation and ventilation of the device, while the soft pads 10 enhance user comfort. The ventilation holes 6 are evenly distributed in multiple rows and columns on the surfaces of the mounting plate 4 and the seat cushion 5. The number and distribution of ventilation holes 6 can be set based on empirical data to achieve better airflow between the mounting plate 4 and the seat cushion 5. For example, the even distribution of multiple rows and columns of ventilation holes 6 on the surfaces of the mounting plate 4 and the seat cushion 5, with equal spacing between adjacent ventilation holes 6, effectively enhances airflow while maintaining overall aesthetics.

[0021] like Figure 3 As shown, a mounting bracket 15 is fixedly connected to the rear side of the bottom frame 1. The mounting bracket 15 is located on the rear side of the support frame 3. The positioning design of the mounting bracket 15 improves the stability of the device when the user uses it.

[0022] like Figure 1 As shown, the number of handrails 7 is set to two, and the side of the handrail 7 is fixedly connected to the backrest 8. By setting the number of handrails 7 and the connection method, the stability of the backrest 8 during installation is improved.

[0023] The usage and working principle of this device are as follows: First, when working, the user generally leans forward to improve concentration. At this time, the center of the body is close to the pivot 2 at the connection between the bottom frame 1 and the support frame 3. The support frame 3 is subjected to gravity, rotates backward, and squeezes the hydraulic rod 12 and hydraulic pipe 11, causing the hydraulic rod 12 to slide and contract inside the hydraulic pipe 11. The pivot 2 at one end of the hydraulic rod 12 and hydraulic pipe 11 automatically rotates to a suitable angle, and the support frame 3 presses down slightly. When the user is tired from working for a long time, the head and back rest on the soft pads 10 on the surface of the pillow board 9 and the soft pads 10 on the surface of the backrest board 8, respectively. At this time, the support frame 3 presses down significantly to a suitable position, which has a pressure-relieving and buffering effect on the user. When the top surface of the support frame 3 is parallel to the bottom frame 1, the hydraulic rod 12 slides to its maximum distance inside the hydraulic pipe 11 and is restricted. Second, the design of the ventilation hole 6 improves the heat dissipation and ventilation effect of the device, reduces the stuffiness of the user's buttocks, and improves the user's comfort.

[0024] The parts used in this application are all common equipment commonly found in the market and are well known to those skilled in the art. In this application, the above-mentioned equipment is used in a conventional manner without any modification to its structure or function. As for their settings, installation, and electrical connection methods, those skilled in the art can perform debugging operations according to the corresponding product instruction manuals, so they will not be described in detail here.

[0025] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present utility model without departing from the technical solution of the present utility model shall still fall within the protection scope of the present utility model.

Claims

1. A sedentary decompression cushioned office chair, characterized in that, Includes a base frame (1), the top surface of which is fixedly connected to one side of a rotating shaft (2), the top of which is rotatably connected to a support frame (3) via the rotating shaft (2), the inside of which is fixedly embedded an installation plate (4), the top of which is fixedly connected to a seat cushion (5), the top of which is fixedly connected to an armrest (7), the top of which is fixedly connected to a backrest (8), the top of which is fixedly connected to a pillow board (9), the inside of which is provided with a hydraulic pipe (11), and the inside of which is slidably installed a hydraulic rod (12).

2. A sedentary decompression cushioned office chair according to claim 1, wherein: The bottom of the hydraulic pipe (11) and the top of the hydraulic rod (12) are both fixedly connected to one side of the rotating shaft (2). The hydraulic pipe (11) is rotatably connected to the bottom frame (1) through the rotating shaft (2), and the hydraulic rod (12) is rotatably connected to the support frame (3) through the rotating shaft (2).

3. A sedentary decompression cushioning office chair according to claim 1, wherein: Limiting rings (13) are fixedly connected to the bottom of the surface of the hydraulic pipe (11) and the top of the surface of the hydraulic rod (12). Springs (14) are sleeved on the surfaces of the hydraulic pipe (11) and the hydraulic rod (12).

4. A sedentary decompression cushioning office chair according to claim 1, wherein: The mounting plate (4) and the seat cushion (5) are provided with several ventilation holes (6), and the backrest (8) and the pillow board (9) are fixedly connected with soft pads (10).

5. A sedentary decompression cushioning office chair according to claim 4, wherein: The plurality of ventilation holes (6) are evenly distributed in multiple rows and columns on the surfaces of the mounting plate (4) and the seat cushion (5).

6. A sedentary decompression cushioning office chair according to claim 1, wherein: A mounting bracket (15) is fixedly connected to the rear side of the bottom frame (1), and the mounting bracket (15) is located on the rear side of the support frame (3).

7. A sedentary decompression cushioning office chair according to claim 1, wherein: The number of handrails (7) is set to two, and the side of the handrail (7) is fixedly connected to the backrest (8).

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