Chair back capable of relieving fatigue
By incorporating D-shaped seat cushions, trapezoidal seat cushions, E-shaped backrests, and breathable structures, combined with an S-shaped streamlined structure, the design solves the problems of single backrest support points and poor breathability, achieving three-level pressure cushioning and three-dimensional heat dissipation, thus improving the comfort of the seat.
Patent Information
- Application Number
- CN202520786219.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-24
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-04-24
AI Technical Summary
Existing chairs have a single backrest support point and poor breathability, which leads to obstructed blood circulation, muscle fatigue, and localized heat and dampness during prolonged use, resulting in poor comfort, especially in office settings.
It adopts a D-shaped seat cushion, trapezoidal seat cushion, E-shaped back cushion and breathable structure design, combined with S-shaped streamline structure to form a three-level pressure buffer system, and forms a three-dimensional ventilation system through vents and concave openings to achieve three-dimensional heat dissipation.
It effectively relieves fatigue from prolonged sitting, improves comfort, avoids localized damp heat, and enhances the heat dissipation efficiency of the chair back and the surface in contact with the human body.
Smart Images
Figure CN223845284U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a chair back, especially a chair back relieving fatigue. BACKGROUND
[0002] In the existing seat design, the traditional chair back often has problems such as single support point, poor air permeability, and inability to adapt to the human body curve. And the conventional seat is easy to cause thigh root compression, waist suspension and hip pressure concentration after long time use, resulting in blood circulation obstruction and muscle fatigue. Especially for the scene of office chair needing to maintain sitting posture for a long time, due to the lack of partition buffer design of the rigid structure of the existing chair back, and the heat dissipation structure is mostly planar opening, it is difficult to form effective three-dimensional heat dissipation air circulation, and then the local hot and humid situation appears between the contact surface of human body and seat, and the comfort is poor.
[0003] In view of this, a chair back relieving fatigue with light structure and strong adaptability is proposed. SUMMARY
[0004] In order to overcome the relatively poor comfort of the existing seat chair back riding, and the local hot and humid caused by long time riding, the technical problem of the utility model is to provide a chair back relieving fatigue with light structure and strong adaptability.
[0005] The technical implementation scheme of the utility model is: a chair back relieving fatigue, comprising a chair back body, a D-shaped seat pad, a trapezoidal seat pad, an E-shaped back pad and a ventilation structure, the D-shaped seat pad is symmetrically distributed on both sides of the seat surface of the chair back, the trapezoidal seat pad is arranged in the middle of the seat surface of the chair back, and the trapezoidal seat pad is located between the two D-shaped seat pads, the chair back is symmetrically distributed with the E-shaped back pad on the back surface, and the chair back is also distributed with the ventilation structure, the ventilation structure is composed of ventilation holes one, ventilation holes two and a concave opening, the ventilation holes one are respectively arranged in the middle of the D-shaped seat pad and penetrate the seat surface of the chair back, the ventilation holes two are arranged at the rear of the trapezoidal seat pad and penetrate the back surface of the chair back, the concave opening is arranged in the middle of the back surface of the chair back, and the concave opening is located between the two E-shaped back pads.
[0006] As a further improvement of the above technical scheme, the chair back is designed in S-shaped streamline structure, the front side forms a seat surface, and the rear side forms a back surface.
[0007] As a further improvement of the above technical scheme, it further comprises an arc-shaped back plate, and the back side of the chair back is symmetrically provided with the arc-shaped back plate.
[0008] As a further improvement of the above technical scheme, it further comprises a pillow plate, and the pillow plate is connected between the upper ends of the two arc-shaped back plates.
[0009] As a further improvement of the above technical scheme, it further comprises an air cushion, and the air cushion is arranged in the middle of the pillow plate.
[0010] As a further improvement of the above technical solution, the two arc-shaped backrest plates are spaced apart by reinforcing rods.
[0011] The chair back of the utility model has the advantages that: the chair back adopts an integrated lightweight structure design, and can be adapted to existing seats; through the distributed structure design of the D-shaped seat pad and the trapezoidal seat pad, and in combination with the double-point lifting support of the waist by the E-shaped back pad, a three-stage pressure buffering system of the thighs, the hips and the waist is formed, fatigue of the human body during long sitting can be effectively relieved, and the comfort of sitting is improved; and through the longitudinal airflow channel formed between the seat surface air hole one and the backrest air hole two, and the transverse air diffusion of the middle concave opening, three-dimensional convection heat dissipation of the sitting contact surface is realized, local hot and humid conditions of the human body contact surface are avoided, and the comfort of sitting is further improved. BRIEF DESCRIPTION OF DRAWINGS
[0012] Fig. 1 The utility model discloses a three-dimensional structure schematic diagram.
[0013] Fig. 2 The utility model discloses a top view.
[0014] Fig. 3 The utility model discloses a right view.
[0015] Fig. 4 The utility model discloses a rear view.
[0016] The meaning of the reference numeral in the drawing: 1: chair back, 2: D-shaped seat pad, 3: trapezoidal seat pad, 4: air hole one, 5: E-shaped back pad, 6: air hole two, 7: concave opening, 8: arc-shaped backrest plate, 9: pillow plate, 10: air cushion, 11: reinforcing rod. DETAILED DESCRIPTION
[0017] The embodiments of the utility model will be described below with reference to the drawings.
[0018] Embodiment one: the utility model provides a chair back for relieving fatigue, as shown in Figs. 1 to 4The chair back 1 is an integrated structure, which is convenient to place on the existing seat for use, has light overall quality and is flexible to use. When a user sits on the chair back 1, the distributed structure design of the D-shaped seat cushion 2 and the trapezoidal seat cushion 3 can effectively disperse the pressure at the thigh root and stably support the hip; and in combination with the E-shaped back cushion 5 for double-point lifting and supporting the waist, a three-level pressure buffering system from the thigh, the hip and the waist is formed, thereby effectively relieving the fatigue of the human body caused by long sitting. In addition, the vertical air duct is formed between the air holes one 4 penetrating through the seat surface and the air holes two 6 penetrating through the back surface of the chair back 1, and in combination with the transverse flow guide design of the concave mouth 7 in the middle, three-way air convection in the sitting state can be realized, the heat dissipation efficiency can be significantly improved, the situation of local heat caused by the lack of ventilation at the contact surface between the human body and the chair back 1 can be avoided, thereby relieving fatigue and improving the comfort of sitting.
[0019] The chair back 1 is an integrated structure, which is convenient to place on the existing seat for use, has light overall quality and is flexible to use. When a user sits on the chair back 1, the distributed structure design of the D-shaped seat cushion 2 and the trapezoidal seat cushion 3 can effectively disperse the pressure at the thigh root and stably support the hip; and in combination with the E-shaped back cushion 5 for double-point lifting and supporting the waist, a three-level pressure buffering system from the thigh, the hip and the waist is formed, thereby effectively relieving the fatigue of the human body caused by long sitting. In addition, the vertical air duct is formed between the air holes one 4 penetrating through the seat surface and the air holes two 6 penetrating through the back surface of the chair back 1, and in combination with the transverse flow guide design of the concave mouth 7 in the middle, three-way air convection in the sitting state can be realized, the heat dissipation efficiency can be significantly improved, the situation of local heat caused by the lack of ventilation at the contact surface between the human body and the chair back 1 can be avoided, thereby relieving fatigue and improving the comfort of sitting.
[0020] Embodiment two: on the basis of embodiment one, as Figs. 1 to 4 The chair back 1 is an integrated structure, which is convenient to place on the existing seat for use, has light overall quality and is flexible to use. When a user sits on the chair back 1, the distributed structure design of the D-shaped seat cushion 2 and the trapezoidal seat cushion 3 can effectively disperse the pressure at the thigh root and stably support the hip; and in combination with the E-shaped back cushion 5 for double-point lifting and supporting the waist, a three-level pressure buffering system from the thigh, the hip and the waist is formed, thereby effectively relieving the fatigue of the human body caused by long sitting. In addition, the vertical air duct is formed between the air holes one 4 penetrating through the seat surface and the air holes two 6 penetrating through the back surface of the chair back 1, and in combination with the transverse flow guide design of the concave mouth 7 in the middle, three-way air convection in the sitting state can be realized, the heat dissipation efficiency can be significantly improved, the situation of local heat caused by the lack of ventilation at the contact surface between the human body and the chair back 1 can be avoided, thereby relieving fatigue and improving the comfort of sitting.
[0021] The S-shaped streamline chair back 1 matches the physiological curvature of the spine, and the arc-shaped backrest 8 and the arc-shaped headrest form a wrapped support for the back of the human body; the air cushion 10 is beneficial to lifting support for the neck of the human body, is beneficial to further improving comfort, and thus achieves the purpose of relieving fatigue.
[0022] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing detailed description of the present application has been made with reference to the foregoing embodiments, for those skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.
Claims
1. A chair back for alleviating fatigue, comprising a chair back (1) body, characterized in that: It also includes D-shaped seat cushion (2), trapezoidal seat cushion (3), E-shaped back cushion (5) and breathable structure, the D-shaped seat cushion (2) is symmetrically distributed on both sides of the seat surface of the backrest (1), the trapezoidal seat cushion (3) is arranged in the middle of the seat surface of the backrest (1), and the trapezoidal seat cushion (3) is located between the two D-shaped seat cushions (2), the backrest (1) is symmetrically distributed with E-shaped back cushion (5) on the backrest surface, the backrest (1) is also distributed with breathable structure, the breathable structure is composed of breathable hole one (4), breathable hole two (6) and concave mouth (7), the breathable hole one (4) is respectively arranged in the middle of the D-shaped seat cushion (2) and penetrates the seat surface of the backrest (1), the breathable hole two (6) is arranged in the rear of the trapezoidal seat cushion (3) and penetrates the backrest surface of the backrest (1), the concave mouth (7) is arranged in the middle of the backrest surface of the backrest (1), and the concave mouth (7) is located between the two E-shaped back cushions (5).
2. A chair back for alleviating fatigue according to claim 1, wherein: The backrest (1) is designed in S-shaped streamline structure, the front side forms a seat surface, and the rear side forms a backrest surface.
3. A chair back for alleviating fatigue according to claim 2, wherein: It also includes arc-shaped back plate (8), the backrest (1) is symmetrically provided with arc-shaped back plate (8) on the rear side.
4. A chair back for alleviating fatigue according to claim 3, wherein: It also includes pillow plate (9), the pillow plate (9) is connected between the upper ends of the two arc-shaped back plates (8).
5. A chair back for alleviating fatigue according to claim 4, wherein: It also includes air cushion (10), the air cushion (10) is arranged in the middle of the pillow plate (9).
6. The fatigue-relieving chair back of claim 3, wherein: It also includes reinforcing rod (11), the reinforcing rod (11) is distributed between the two arc-shaped back plates (8) with interval. It also includes reinforcing rod (11), the reinforcing rod (11) is distributed between the two arc-shaped back plates (8) with interval.