Posture correcting chair with lever principle

Abstract

The utility model relates to the technical field of posture correcting chairs, and discloses a posture correcting chair with a lever principle, which comprises a chair body, a fulcrum is arranged on the outer surface of the chair body, and the fulcrum is arc-shaped; a plurality of groups of reinforcing ribs are arranged in the seat body, and the four groups of reinforcing ribs are symmetrically arranged on the two sides. According to the utility model, through the matching of the reinforcing ribs and the arc-shaped fulcrums, when a user sits down the seat body, the back plate of the seat body is driven through the force of the reinforcing ribs due to the pressure on the seat plate of the seat body, so that lever thrust is realized on the back of the user, and the user can be helped to correct the sitting posture; and when the user backwards leans against the back plate of the seat body, the seat plate can be pulled by the reinforcing ribs, so that the front end part of the seat plate and the legs of the user generate an extrusion effect, and a certain massage effect is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of posture correction chairs, in particular to a posture correction chair with a lever principle. Background Art

[0002] The incidence of waist pain among workers with sitting postures is increasing year by year. Lumbar pain, back pain, lumbar disc herniation, hip and shoulder muscle pain have become common diseases among those who sit for work. The culprit of this phenomenon is the bad sitting posture that we have followed for thousands of years. Therefore, how to solve the sitting posture problem has always been a very challenging and innovative design topic. For a long time, the medical community, chair designers and ergonomics researchers at home and abroad have been committed to the design and research of new chairs. The sitting posture correction chair is specially designed for people who sit for a long time, providing the best sitting environment for office workers and students. With the design concept of "letting the spine stand upright independently", users can maintain the correct spinal posture when sitting.

[0003] However, the current posture correction chairs do not have a certain auxiliary effect during use. Users are prone to back muscle soreness after sitting for a long time. They cannot provide back support and do some stretching exercises. Therefore, the traditional middle connection part is relatively thin and will break if too much force is applied. Utility Model Content

[0004] The purpose of the utility model is to provide a posture correction chair with a lever principle to solve the problem that the current posture correction chairs in the above background do not have a certain auxiliary effect, the user is prone to back muscle soreness after sitting for a long time, and cannot provide back support function.

[0005] The purpose of the utility model can be achieved through the following technical solutions:

[0006] A posture correction chair with a lever principle comprises a seat body, wherein the outer surface of the seat body is provided with a fulcrum, and the fulcrum is arranged in an arc shape; a plurality of groups of reinforcing ribs are arranged inside the seat body, and the reinforcing ribs are arranged in four groups and are arranged symmetrically on both sides.

[0007] As a further solution of the utility model: the outer surface of the seat body is provided with two groups of symmetrically arranged through holes.

[0008] As a further solution of the utility model: a seat cushion and a back cushion are fixedly connected to the outer surface of the seat body, and two groups of the seat cushion and the back cushion are provided.

[0009] As a further solution of the utility model: the internal filling material of the seat cushion and the back cushion is configured as rebound cotton.

[0010] As a further solution of the utility model: a plurality of groups of massage rods arranged at equal intervals are arranged inside the back cushion, and a plurality of groups of protrusions are arranged on the outer surfaces of the massage rods.

[0011] As a further solution of the utility model: a titanium alloy material layer is arranged inside the multiple groups of reinforcing ribs, and the shape of the titanium alloy is compatible with the shape of the multiple groups of reinforcing ribs.

[0012] As a further solution of the utility model: arc-shaped edges are arranged on the outer sides of the multiple groups of reinforcing ribs on both sides, and titanium alloy material layers are arranged inside the arc-shaped edges, so that the tensile structure is strengthened by the titanium alloy material layer.

[0013] Beneficial effects of the utility model:

[0014] (1) The utility model provides a reinforcing rib and an arc-shaped fulcrum. When a user sits down on the seat body, the seat plate of the seat body is subjected to pressure. The force of the reinforcing rib drives the back plate of the seat body at the same time, thereby realizing a lever thrust on the user's back, which can help the user correct his sitting posture. When the user leans back against the back plate of the seat body, the seat plate is pulled by the reinforcing rib, thereby causing the front end of the seat plate to squeeze the user's legs, thereby having a certain massage effect.

[0015] (2) The utility model sets the inner filling of the seat cushion and the back cushion as rebound cotton. Since the rebound cotton has good supporting force, it can provide appropriate support according to the human body curve, reduce pressure, and make the body fully relaxed;

[0016] (3) The utility model provides a plurality of groups of equally spaced massage sticks on the side of the cushion close to the human body's skin, so that when the user's back leans against the cushion, the protrusions on the massage sticks can enhance the massage effect on the user's back;

[0017] (4) In the utility model, a titanium alloy material layer is arranged inside the multiple groups of reinforcing ribs, and the shape of the titanium alloy is adapted to the shape of the multiple groups of reinforcing ribs. The outer sides of the multiple groups of reinforcing ribs on both sides are provided with arc-shaped edges, and the inner sides of the arc-shaped edges are provided with a titanium alloy material layer. The tensile structure is strengthened by the titanium alloy material layer, and the reinforcing ribs will synchronously drive the back plate. The back plate has a lever thrust on the user's back, which has a certain supporting effect on the user's back. At the same time, the titanium alloy material layer is arranged inside, which can effectively increase the back support force and avoid breakage when doing some stretching exercises. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The utility model is further described below in conjunction with the accompanying drawings.

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 It is a side view schematic diagram of the overall structure of the utility model;

[0021] Figure 3 It is a front view schematic diagram of the overall structure of the utility model;

[0022] Figure 4 It is a schematic diagram of the cross-sectional structure of the cushion in the utility model;

[0023] Figure 5 This is a partial cross-sectional diagram of the side view structure of the utility model. Figure 1 ;

[0024] Figure 6 This is a partial cross-sectional diagram of the side view structure of the utility model. Figure 2 .

[0025] In the figure: 1. seat body; 11. through hole; 2. fulcrum; 3. reinforcing ribs; 4. seat cushion; 5. back cushion; 6. rebound cotton; 7. massage stick. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Example

[0027] See also Figure 1-Figure 3 As shown, the utility model is a posture correction chair with a lever principle, comprising a seat body 1, the outer surface of the seat body 1 is provided with a fulcrum 2, and the fulcrum 2 is arranged in an arc shape; a plurality of groups of reinforcing ribs 3 are arranged inside the seat body 1, and the reinforcing ribs 3 are provided in four groups and are arranged symmetrically on both sides, that is, two reinforcing ribs 3 are respectively arranged on the left and right sides of the seat body 1;

[0028] The reinforcing rib 3 can be made of carbon fiber material, which has low density, good elasticity and good corrosion resistance, and is elastic and will not be plastically deformed;

[0029] The reinforcement ribs 3 and the arc-shaped fulcrum 2 are arranged to cooperate. When the user sits down on the seat body 1, the seat plate of the seat body 1 is subjected to pressure, and the back plate of the seat body 1 is driven by the force of the reinforcement ribs 3 at the same time, so as to realize a lever thrust on the back of the user. This thrust can help the user to correct the sitting posture after sitting for a long time, and reduce the situation of sitting posture deformation caused by the back pain of the user after sitting for a long time.

[0030] When the user leans back against the backboard of the seat body 1, the seat board of the seat body 1 is pulled by the reinforcing ribs 3, so that the front end of the seat board and the user's legs have a certain squeezing effect, thereby having a certain massage effect on the user's legs;

[0031] The outer surface of the seat body 1 is provided with two groups of symmetrically arranged through holes 11, and the two through holes 11 are provided to increase the shape of the seat body 1;

[0032] Furthermore, the two through holes 11 can disperse the load when the user leans back against the backrest of the seat body 1, thereby increasing the force-bearing area, increasing the bearing capacity of the backrest, and increasing the service life. Example

[0033] See also Figure 1-Figure 4 The utility model is a posture correction chair with a lever principle, comprising a seat body 1, a fulcrum 2 is arranged on the outer surface of the seat body 1, and the fulcrum 2 is arranged in an arc shape; a plurality of groups of reinforcing ribs 3 are arranged inside the seat body 1, and the reinforcing ribs 3 are arranged in four groups and are arranged symmetrically on both sides; a seat cushion 4 and a back cushion 5 are fixedly connected to the outer surface of the seat body 1, and the seat cushion 4 and the back cushion 5 are each arranged in two groups;

[0034] The inner filling material of the seat cushion 4 and the back cushion 5 is set as a rebound cotton 6;

[0035] The rebound cotton 6 is a kind of elastic cotton material, which is made of polyurethane foam particles through a special process, has excellent support, can provide comfortable support according to the human body curve, can assist in supporting the user's back after sitting for a long time, and reduce the back pain to a certain extent. At the same time, the rebound cotton 6 has excellent resilience and can quickly restore the original shape to avoid deformation of the back cushion 5 and the seat cushion 4. The porous structure of the rebound cotton 6 has good air permeability, which helps to wick sweat, keep the seat cushion 4 and the back cushion 5 dry, and reduce the accumulation of sweat after sitting for a long time.

[0036] The interior of the back cushion 5 is provided with a plurality of groups of massage rods 7 arranged at equal distances, and the outer surface of the massage rods 7 is provided with a plurality of groups of protrusions;

[0037] The massage stick 7 and the protrusions can enhance the massage effect on the back of the user after sitting for a long time, and can relieve the back pain after sitting for a long time to a certain extent;

[0038] like Figure 4 As shown, the massage stick 7 is arranged on the side close to the user's back, which is closer to the user and has a better massage effect. The massage stick 7 is installed on the rebound cotton 6, which is more reasonable.

[0039] In this embodiment, the internal filling of the seat cushion 4 and the back cushion 5 is made of rebound cotton 6. Since the rebound cotton 6 has good supporting force, it can provide appropriate support according to the human body curve, reduce pressure, and make the body fully relaxed; by arranging multiple groups of equidistantly arranged massage rods 7 on the side close to the human skin inside the back cushion 5, when the user's back leans against the back cushion 5, the protrusions on the massage rods 7 can strengthen the effect of the massage rods 7 on the back of the user. Example

[0040] Reference Figure 5-Figure 6 As shown, based on the above embodiment, in order to increase the stability of the posture correction chair and avoid breakage of the posture correction chair when force is applied, a titanium alloy material layer is arranged inside the multiple groups of reinforcing ribs 3, and the shape of the titanium alloy is adapted to the shape of the multiple groups of reinforcing ribs 3.

[0041] At the same time, arc-shaped edges 12 are arranged on the outer sides of the multiple groups of reinforcing ribs 3 on both sides, and a titanium alloy material layer is arranged inside the arc-shaped edge 12. The tensile structure is strengthened by the titanium alloy material layer, and the reinforcing ribs 3 will synchronously drive the back plate. The back plate has a lever thrust on the user's back and has a certain supporting effect on the user's back. At the same time, a titanium alloy material layer is arranged inside, which can effectively increase the back supporting force and avoid breakage when doing some stretching exercises.

[0042] The working principle of the utility model is as follows: when the user sits on the seat board of the chair body 1, the seat board is subjected to a certain pressure, and the reinforcing ribs 3 will synchronously drive the back board, and the back board has a lever thrust on the user's back, which has a certain supporting effect on the user's back;

[0043] When the user leans against the backrest of the seat body 1, there is a certain pressure on the backrest, and the seat plate will be pulled by the reinforcing ribs 3 at the same time. When the seat plate is subjected to force, it squeezes the user's legs to form a certain massage effect.

[0044] The above is a detailed description of an embodiment of the utility model, but the content is only a preferred embodiment of the utility model and cannot be considered to limit the scope of implementation of the utility model. All equivalent changes and improvements made within the scope of application of the utility model should still fall within the scope of the patent coverage of the utility model.

Claims

1. A posture correction chair with a lever principle, comprising a seat body (1), characterized in that: The outer surface of the seat body (1) is provided with a fulcrum (2), and the fulcrum (2) is arranged in an arc shape; A plurality of groups of reinforcing ribs (3) are arranged inside the seat body (1), and the reinforcing ribs (3) are provided in four groups and are arranged symmetrically on both sides.

2. A posture correction chair with lever principle according to claim 1, characterized in that: The outer surface of the seat body (1) is provided with two groups of symmetrically arranged through holes (11).

3. A posture correction chair with lever principle according to claim 1, characterized in that: A seat cushion (4) and a back cushion (5) are fixedly connected to the outer surface of the seat body (1), and two sets of the seat cushion (4) and the back cushion (5) are provided.

4. A posture correction chair with lever principle according to claim 3, characterized in that: The internal filling material of the seat cushion (4) and the back cushion (5) is configured as resilient cotton (6).

5. A posture correction chair with lever principle according to claim 4, characterized in that: The back cushion (5) is provided with a plurality of groups of massage rods (7) arranged at equal distances inside, and the outer surfaces of the massage rods (7) are provided with a plurality of groups of protrusions.

6. The posture correction chair with lever principle according to claim 1, characterized in that: A titanium alloy material layer is provided inside the multiple groups of reinforcing ribs (3), and the shape of the titanium alloy is compatible with the shape of the multiple groups of reinforcing ribs (3).

7. A posture correction chair with lever principle according to claim 6, characterized in that: The outer sides of the multiple groups of reinforcing ribs (3) on both sides are provided with arc-shaped edges (12), and the inner sides of the arc-shaped edges (12) are provided with titanium alloy material layers, and the tensile structure is strengthened by the titanium alloy material layers.

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