Ergonomic office chair

Abstract

The utility model relates to the technical field of office chairs, and discloses an ergonomic office chair, which comprises a backrest and a cushion, a waist rest mechanism is arranged at the position of the backrest corresponding to the waist of a human body, and the waist rest mechanism can be adaptively adjusted according to the figures of different users; a storable supporting mechanism is mounted at the bottom of one end, far away from the backrest, of the cushion and is used for supporting legs of a user. The waist rest mechanism is additionally arranged at the position, corresponding to the waist of the human body, of the backrest, the waist of the human body is used for extruding the back cushion, so that the back cushion elastically deforms in the track to extrude the elastic piece, and self-adaptive buffering on the back of a user is achieved through elastic deformation of the elastic piece; therefore, self-adaptive adjustment is carried out according to the figures of different users, the actual sitting comfort can be improved, discomfort caused by long-time leaning of the users on the fixed waist rest is avoided, the effect of preventing lumbar vertebra deformity is achieved to a certain degree, and body health of the users is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of office chairs, in particular to an ergonomic office chair. Background Art

[0002] Office chairs are widely used in daily work and social activities, providing a comfortable environment for social personnel to work. For office workers who work long hours, a suitable office chair can improve work comfort, which is conducive to improving work efficiency.

[0003] Most of the current office chairs are designed with traditional structures. The chair back part lacks a lumbar support structure, or directly adopts a fixed lumbar support. It is difficult to adjust according to the body shape and leaning position of different users, which makes the user feel uncomfortable and may hit the waist. Sitting for a long time may also cause lumbar deformity, which is not good for health. Utility Model Content

[0004] In order to solve the technical problems existing in the background technology, the utility model provides an ergonomic office chair.

[0005] The utility model provides an ergonomic office chair, comprising a backrest and a seat cushion, wherein a waist support mechanism is installed at a position of the backrest corresponding to the waist of a human body, and the waist support mechanism can be adaptively adjusted according to the body shapes of different users;

[0006] A foldable support mechanism is installed at the bottom of one end of the seat cushion away from the backrest, which is used to support the user's legs.

[0007] As a further optimized solution of the utility model, the lumbar support mechanism includes an elastic member and a cushion. A groove is provided in the backrest corresponding to the position of the human waist. The elastic member is embedded in one end of the groove, and the cushion is installed at the other end of the groove and abuts against the elastic member. The part of the cushion protruding out of the groove abuts against the user's waist, causing the cushion to undergo elastic deformation, thereby prompting the elastic member to undergo elastic deformation.

[0008] As a further optimized solution of the utility model, the groove is a vertical groove, and the groove is arranged at the middle position of the backrest corresponding to the waist of the human body.

[0009] As a further optimized solution of the utility model, a track is embedded and installed inside the groove, the elastic member is fixedly installed inside the upper end of the track, and the cushion is installed inside the lower end of the track.

[0010] As a further optimized solution of the utility model, the support mechanism includes a telescopic rod and a pad, the rear end of the telescopic rod is fixedly installed on the bottom of the seat cushion, and the front end of the telescopic rod extends to the front of the seat cushion and is connected to the pad.

[0011] As a further optimized solution of the utility model, the number of pads is three and they are respectively arranged as the first pad, the second pad and the third pad. The first pad is fixedly installed at the front end of the telescopic rod, the second pad and the third pad are symmetrically distributed on both sides of the first pad, and the two sides of the first pad are hinged to the second pad and the third pad by hinges respectively.

[0012] As a further optimized solution of the utility model, the upper end surfaces of the first pad, the second pad and the third pad are flush with each other, and the second pad and the third pad can be flipped upward by 0-180°.

[0013] As a further optimized solution of the utility model, the angle between the backrest and the seat cushion is 110°.

[0014] The ergonomic office chair proposed by the utility model has the following beneficial effects:

[0015] (1) By adding a lumbar support mechanism to the position of the backrest corresponding to the human waist, the human waist is used to squeeze the cushion, so that the cushion undergoes elastic deformation in the track and squeezes the elastic member. The elastic deformation of the elastic member is used to achieve adaptive buffering of the user's back, thereby performing adaptive adjustment according to the body shape of different users, which is conducive to improving the actual sitting comfort, avoiding the discomfort caused by the user leaning on the fixed lumbar support for a long time, and to a certain extent preventing lumbar deformity, which is beneficial to the user's health;

[0016] (ii) By adding a support mechanism to the bottom of the seat cushion, the user's legs can be supported to improve the sitting comfort. When the support mechanism is not in use, the pad can be extended and retracted through the telescopic rod and stored under the seat cushion, making full use of the lower space of the chair. The overall structural design is reasonable, taking into account ergonomics and space utilization, giving the user a better sitting experience.

[0017] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0019] Figure 2 It is a structural schematic diagram of the support mechanism of the utility model;

[0020] Figure 3 It is a structural schematic diagram of the lumbar support mechanism of the utility model.

[0021] Description of the accompanying drawings: 1. Headrest; 2. Backrest; 3. Elastic part; 4. Track; 5. Cushion; 6. Armrest; 7. Seat cushion; 8. Telescopic rod; 9. Pad; 10. Hinge; 11. Chair leg. DETAILED DESCRIPTION

[0022] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar symbols throughout represent the same or similar elements or elements with the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0023] It should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0024] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present utility model, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0025] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection, an electrical connection, or communication with each other; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0026] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0027] See also Figure 1-Figure 3 An ergonomic office chair comprises a backrest 2 and a seat cushion 7. A waist support mechanism is installed at the backrest 2 corresponding to the waist of a human body. The waist support mechanism can be adaptively adjusted according to the body shape of different users.

[0028] A retractable support mechanism is installed at the bottom of one end of the seat cushion 7 away from the backrest 2 to support the user's legs;

[0029] The bottom end of the backrest 2 is fixedly connected to the rear end of the seat cushion 7, and the angle between the backrest 2 and the seat cushion 7 is 110°, which is more ergonomically designed and helps to improve the sitting comfort;

[0030] The bottom end of the seat cushion 7 is provided with a chair leg 11, and both sides of the seat cushion 7 are provided with an armrest 6;

[0031] A headrest 1 is installed at the top of the backrest 2 corresponding to the head position;

[0032] Specifically, the lumbar support mechanism includes an elastic member 3 and a cushion 5. The backrest 2 is provided with a groove corresponding to the waist of the human body. The elastic member 3 is embedded and installed inside one end of the groove. The cushion 5 is installed at the other end of the groove and abuts against the elastic member 3. The portion of the cushion 5 protruding from the groove abuts against the waist of the user, so that the cushion 5 is elastically deformed, which causes the elastic member 3 to be elastically deformed, so as to adapt to the angle change according to the different body shapes of the user and improve the sitting comfort.

[0033] Furthermore, the back cushion 5 is made of a material with elasticity and toughness, and can undergo a certain degree of elastic deformation while ensuring strength and compression resistance;

[0034] Furthermore, the groove is a vertical groove, and the groove is arranged at the middle position of the backrest 2 corresponding to the waist of the human body, so that the cushion 5 can press the elastic member 3 upward after elastic deformation occurs, thereby causing the elastic member 3 to undergo elastic deformation;

[0035] Furthermore, a track 4 is embedded in the groove, the elastic member 3 is fixedly installed inside the upper end of the track 4, and the cushion 5 is installed inside the lower end of the track 4, which can improve the stability of the cushion 5 when it is deformed and squeezed upward;

[0036] Specifically, the support mechanism includes a telescopic rod 8 and a pad 9. The rear end of the telescopic rod 8 is fixedly mounted on the bottom of the seat cushion 7. The front end of the telescopic rod 8 extends to the front of the seat cushion 7 and is connected to the pad 9. The telescopic rod 8 is a two-section telescopic rod, with the fixed end being the rear end and the movable end being the front end. By contracting the telescopic rod 8, the pad 9 can be moved to the bottom of the seat cushion 7, thereby realizing the storage of the pad 9.

[0037] Further, the number of pads 9 is three and they are respectively arranged as a first pad, a second pad and a third pad, the first pad is fixedly mounted on the front end of the telescopic rod 8, the second pad and the third pad are symmetrically distributed on both sides of the first pad, and the two sides of the first pad are respectively hinged to the second pad and the third pad by hinges 10, through the combined design of the first pad, the second pad and the third pad, it is convenient to unfold the second pad and the third pad, thereby increasing the overall support area and improving the leg support comfort;

[0038] Furthermore, the upper end surfaces of the first pad, the second pad and the third pad are flush, and the second pad and the third pad can be turned upward by 0-180 degrees, which is convenient for folding and storing the second pad and the third pad after turning upward, reducing the volume and improving space utilization;

[0039] In summary, the ergonomic office chair proposed by the utility model, by adding a lumbar support mechanism at the position of the backrest 2 corresponding to the human waist, uses the human waist to squeeze the cushion 5, so that the cushion 5 undergoes elastic deformation in the track 4 and squeezes the elastic member 3, and utilizes the elastic deformation of the elastic member 3 to achieve adaptive buffering of the user's back, thereby performing adaptive adjustment according to the body shape of different users, which is beneficial to improving the actual sitting comfort, avoiding the discomfort caused by the user leaning on the fixed lumbar support for a long time, and to a certain extent plays a role in preventing lumbar deformity, which is beneficial to the user's health; by adding a supporting mechanism at the bottom of the seat cushion 7, the user's legs can be supported to improve the sitting comfort, and when the supporting mechanism is not in use, the pad 9 can be driven to be extended and retracted by the telescopic rod 8, and the pad 9 can be stored under the seat cushion 7, making full use of the lower space of the chair, and the overall structural design is reasonable, taking into account ergonomics and space utilization, giving the user a better sitting experience.

[0040] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An ergonomic office chair, comprising a backrest (2) and a seat cushion (7), characterized in that: A waist support mechanism is installed at the backrest (2) at a position corresponding to the waist of the human body, and the waist support mechanism can be adaptively adjusted according to the body shapes of different users; A retractable support mechanism is installed at the bottom of one end of the seat cushion (7) away from the backrest (2) for supporting the legs of the user; The lumbar support mechanism comprises an elastic member (3) and a cushion (5); a groove is provided on the backrest (2) at a position corresponding to the waist of a human body; the elastic member (3) is embedded and installed inside one end of the groove; the cushion (5) is installed at the other end of the groove and abuts against the elastic member (3); a portion of the cushion (5) protruding from the groove abuts against the waist of a user, causing the cushion (5) to undergo elastic deformation, thereby causing the elastic member (3) to undergo elastic deformation.

2. The ergonomic office chair according to claim 1, characterized in that: The groove is a vertical groove, and the groove is arranged at the middle position of the backrest (2) corresponding to the waist of the human body.

3. The ergonomic office chair according to claim 1, characterized in that: A track (4) is embedded and installed inside the groove, the elastic member (3) is fixedly installed inside the upper end of the track (4), and the cushion (5) is installed inside the lower end of the track (4).

4. The ergonomic office chair according to claim 1, characterized in that: The supporting mechanism comprises a telescopic rod (8) and a pad (9), wherein the rear end of the telescopic rod (8) is fixedly mounted on the bottom of the seat cushion (7), and the front end of the telescopic rod (8) extends to the front of the seat cushion (7) and is connected to the pad (9).

5. The ergonomic office chair according to claim 4, characterized in that: The number of pads (9) is three and they are respectively arranged as a first pad, a second pad and a third pad. The first pad is fixedly mounted on the front end of the telescopic rod (8), the second pad and the third pad are symmetrically distributed on both sides of the first pad, and the two sides of the first pad are respectively hinged to the second pad and the third pad via hinges (10).

6. The ergonomic office chair according to claim 5, characterized in that: The upper end surfaces of the first pad, the second pad and the third pad are flush with each other, and the second pad and the third pad can be turned upward by 0-180 degrees.

7. An ergonomic office chair according to any one of claims 1 to 6, characterized in that: The angle between the backrest (2) and the seat cushion (7) is 110°.

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