Massage office chair

Abstract

The utility model provides a massage office chair. A leg support assembly of the massage office chair comprises a supporting plate hinged to a backrest frame, a leg support arranged on the supporting plate in a sliding mode and a connecting rod connected to the supporting plate and the leg support. A guide rail is arranged on the supporting plate, a first sliding block is arranged on the guide rail in a sliding mode, and the first sliding block is hinged to the backrest frame. The middle of the connecting rod is rotatably connected to the supporting plate, one end is movably connected to the first sliding block, and the other end is movably connected to the leg support; due to the arrangement of the connecting rod, when the supporting plate is driven to turn outwards, the first sliding block drives one end of the connecting rod to move inwards, so that the other end of the connecting rod drives the leg support to move outwards in the direction of the guide rail; on the contrary, when the leg support is turned over inwards, the leg support is driven by the connecting rod to retract inwards; therefore, no matter whether the leg support is in an initial state that the leg support is not turned up or in a state that the leg support is turned up outwards, the leather sheath can be in a tight state, and wrinkles are prevented from appearing to affect attractiveness.

Description

Technical Field

[0001] The utility model relates to the technical field of massage devices, in particular to a massage office chair. Background Art

[0002] Leisure massage office chairs usually include a backrest frame, a leg support assembly, a leather cover connected to the backrest frame and the leg support assembly, and a drive that can control the backrest frame and the leg support assembly to move to form a lying position.

[0003] For massage office chairs with a single complete leather cover on the backrest and leg support components, such as Figure 1 and Figure 2 As shown in A, when the leg rest assembly push rod is initially retracted, the leather covers of the leg rest and the seat are stretched, the arc length of the connecting leather covers is relatively long, and they are in a stretched and flat state; but after the leg rest assembly is flipped and lifted, the distance between the leg rest assembly and the backrest frame is shortened, and the originally stretched leather covers will have wrinkles between the leg rest assembly and the backrest frame, affecting the appearance. Utility Model Content

[0004] In view of this, the purpose of the present invention is to provide a massage office chair to solve the above problems.

[0005] The utility model adopts the following scheme:

[0006] The present application provides a massage office chair, comprising a backrest frame, a leg rest assembly reversibly connected to the backrest frame, the leg rest assembly comprising a support plate hinged to the backrest frame, a leg rest slidably disposed on the support plate, and a connecting rod connected to the support plate and the leg rest; the support plate is provided with a guide rail, a first slider slidably disposed on the guide rail, and the first slider is hingedly connected to the backrest frame; the middle portion of the connecting rod is rotatably connected to the support plate, one end is movably connected to the first slider, and the other end is movably connected to the leg rest;

[0007] The connecting rod is configured as follows: when the support plate is driven to flip outward, the first slider drives one end of the connecting rod to move inward, so that the other end of the connecting rod drives the leg rest to move outward along the direction of the guide rail; conversely, when the support plate flips inward, it drives the leg rest to retract inward.

[0008] Furthermore, one end of the connecting rod is provided with a first waist-shaped hole along its length direction, and is movably connected to the first slider through the first waist-shaped hole; a second waist-shaped hole perpendicular to the guide rail is provided on the leg support, and the other end of the connecting rod is movably connected to the leg support through the second waist-shaped hole.

[0009] Furthermore, a sliding groove is provided on the leg support at the rotation axis in the middle of the connecting rod along the direction of the guide rail; and a second sliding block that can slide on the sliding groove is connected to the rotation axis in the middle of the connecting rod.

[0010] Furthermore, the first waist-shaped hole is connected to the first slider via a first rotating shaft; the second waist-shaped hole is connected to the other end of the connecting rod via a second rotating shaft; and the middle part of the connecting rod is connected to the supporting plate via a third rotating shaft.

[0011] Furthermore, the upper sleeves of the first waist-shaped hole and the second waist-shaped hole are provided with wear-resistant pads.

[0012] Furthermore, there are two connecting rods, which are symmetrically arranged.

[0013] Furthermore, it also includes a base, and the backrest frame is movably connected to the base.

[0014] By adopting the above technical solution, the utility model can achieve the following technical effects:

[0015] The utility model provides a massage office chair, wherein the leg rest assembly comprises a support plate hinged to a backrest frame, a leg rest slidably arranged on the support plate, and a connecting rod connected to the support plate and the leg rest; a guide rail is provided on the support plate, a first slider is slidably arranged on the guide rail, and the first slider is hinged to the backrest frame; the middle part of the connecting rod is rotatably connected to the support plate, one end is movably connected to the first slider, and the other end is movably connected to the leg rest; the connection rod is arranged so that when the support plate is driven to flip outward, the first slider drives one end of the connecting rod to move inward, so that the other end of the connecting rod drives the leg rest to move outward along the direction of the guide rail; on the contrary, when the leg rest flips inward, the leg rest is driven inward to retract by the connecting rod; so that no matter whether the leg rest is in an initial state that is not flipped up or in a state that the leg rest is flipped outward, the leather cover can be in a tight state, thereby avoiding the occurrence of wrinkles that affect the appearance. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following is a brief introduction to the drawings required for use in the embodiments. It should be understood that the following drawings only show certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without creative work.

[0017] Figure 1 It is a structural diagram of a massage office chair in a sitting position in the prior art;

[0018] Figure 2 It is a structural diagram of a massage office chair in a lying position in the prior art;

[0019] Figure 3 This is a schematic diagram of the exploded structure of a massage office chair according to an embodiment of the present utility model;

[0020] Figure 4 This is a schematic diagram of the bottom structure of a massage office chair in accordance with the present utility model.

[0021] Figure 5 This is a schematic diagram of the exploded structure of a leg support assembly of a massage office chair according to an embodiment of the present utility model;

[0022] Figure 6 This is a structural schematic diagram of a massage office chair in a sitting position according to an embodiment of the present utility model;

[0023] Figure 7 yes Figure 6 A structural diagram of the leg support assembly in a sitting position;

[0024] Figure 8 This is a structural schematic diagram of a massage office chair in a lying position according to an embodiment of the present utility model;

[0025] Figure 9 yes Figure 8 A structural diagram of the leg support assembly in a lying position;

[0026] Icons: backrest frame 1, leg support assembly 2, first electric push rod 3, second electric push rod 4, base 5, support plate 6, leg support upper cover 7, connecting rod 8, guide rail 9, first slider 10, first adapter 11, second adapter 12, push rod fixing part 13, first waist-shaped hole 14, first rotating shaft 15, second waist-shaped hole 16, second rotating shaft 17, third rotating shaft 18, slide groove 19, lower slider 20, upper slider 21, leg support lower cover 22, leather cover 23. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention. Therefore, the following detailed description of the embodiments of the present invention provided in the drawings is not intended to limit the scope of the utility model for which protection is sought, but merely represents the selected embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0028] Example

[0029] Combine Figures 3 to 9 As shown, this embodiment provides a massage office chair, comprising a backrest frame 1, a leg rest assembly 2 flippably connected to the backrest frame 1, the leg rest assembly 2 comprising a support plate 6 hinged to the backrest frame 1, a leg rest slidably disposed on the support plate 6, and a connecting rod 8 connected to the support plate 6 and the leg rest; a guide rail 9 is provided on the support plate 6, a first slider 10 is slidably disposed on the guide rail 9, and the first slider 10 is hinged to the backrest frame 1; the middle portion of the connecting rod 8 is rotatably connected to the support plate 6, one end is movably connected to the first slider 10, and the other end is movably connected to the leg rest;

[0030] Specifically, in this embodiment, Figure 4 and Figure 5 As shown, both sides of the support plate 6 are hingedly connected to the backrest frame 1. A guide rail 9 is positioned in the center, on which a first slider 10 is mounted. A first adapter 11 is mounted on the first slider 10, and a second adapter 12 is hingedly connected to the first adapter 11. The other end of the second adapter 12 is hingedly connected to the backrest frame 1. A push rod fixing member 13 is positioned at the bottom of the support plate 6, which is hingedly connected to a first electric push rod 3. The first electric push rod 3 is used to drive the support plate 6 to flip. When the first electric push rod 3 drives the support plate 6 to flip outward, the first slider 10 moves on the guide rail 9 from the side away from the hinge axis connecting the support plate 6 to the backrest frame 1 to the side closer to the hinge axis. Conversely, when the first electric push rod 3 drives the support plate 6 to flip inward back to its original position, the first slider 10 moves on the guide rail 9 from the side closer to the hinge axis connecting the support plate 6 to the backrest frame 1 to the side away from the hinge axis.

[0031] In this embodiment, two connecting rods 8 are symmetrically arranged. One end of each connecting rod 8 is provided with a first waist-shaped hole 14 along its length, connected to the first adapter 11 via a first rotation axis 15. The leg support is provided with a second waist-shaped hole 16 perpendicular to the guide rail 9, connected to the other end of the connecting rod 8 via a second rotation axis 17. The middle portion of the connecting rod 8 is connected to the support plate 6 via a third rotation axis 18. The leg support includes an upper cover 7 and a lower cover 22. A slide 19 is provided on the upper cover 7, along the axis of the third rotation axis 18, along the guide rail 9. The slide 19 has a stepped surface. A second slider is connected to the middle portion of the connecting rod 8, along the axis of the third rotation axis 18, capable of sliding on the slide 19. The second slider includes a lower slider 20 connected to the third rotation axis 18 and an upper slider 21 connected to the lower slider 20 and positioned on the stepped surface.

[0032] like Figures 6 to 9 As shown, when the support plate 6 is driven by the first electric push rod 3 to flip outward, the first slider 10 drives one end of the connecting rod 8 to move inward, that is, to the side of the hinge connecting the support plate 6 and the backrest frame 1, so that the connecting rod 8 rotates along the third rotation axis 18, thereby causing the other end of the connecting rod 8 to drive the leg rest to move outward along the guide rail 9; conversely, when the support plate 6 flips inward, the leg rest is driven inward by the connecting rod 8. In this way, whether the leg rest is in the initial state of not flipping up or in the state of flipping outward, the leather cover 23 can be kept taut, avoiding wrinkles that affect the appearance.

[0033] In this embodiment, wear-resistant pads are provided above the first and second waist-shaped holes 14, 16. A base 5 is movably connected to the backrest frame 1. A second electric push rod 4 is also provided on the base 5 to drive the backrest frame 1 to switch between a reclining position and a sitting position. This is prior art and will not be further elaborated on here.

[0034] The above are only preferred implementations of the present invention. The protection scope of the present invention is not limited to the above embodiments. All technical solutions under the concept of the present invention fall within the protection scope of the present invention.

[0035] In the description of the present invention, 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" and the like to 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 device or element referred to 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.

[0036] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature specified as "first" or "second" may explicitly or implicitly include one or more of such features. In the description of this utility model, "plurality" means two or more, unless otherwise specifically defined.

[0037] In this utility model, unless otherwise specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection; direct connection, indirect connection through an intermediate medium, internal communication between two components, or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances.

[0038] In the present invention, unless otherwise expressly specified or limited, a first feature being "above" or "below" a second feature may include the first and second features being in direct contact, or may include the first and second features being in contact not directly but through another feature between them. Moreover, a first feature being "above," "above," and "above" a second feature may include the first feature being directly above or obliquely above the second feature, or may simply mean that the first feature is higher in level than the second feature. A first feature being "below," "below," and "below" a second feature may include the first feature being directly below or obliquely below the second feature, or may simply mean that the first feature is lower in level than the second feature.

Claims

1. A massage office chair, comprising a backrest frame, a leg support assembly reversibly connected to the backrest frame, characterized in that: The leg rest assembly includes a support plate hinged to the backrest frame, a leg rest slidably disposed on the support plate, and a connecting rod connected to the support plate and the leg rest; a guide rail is provided on the support plate, a first slider is slidably disposed on the guide rail, and the first slider is hinged to the backrest frame; the middle portion of the connecting rod is rotatably connected to the support plate, one end is movably connected to the first slider, and the other end is movably connected to the leg rest; The connecting rod is configured as follows: when the support plate is driven to flip outward, the first slider drives one end of the connecting rod to move inward, so that the other end of the connecting rod drives the leg rest to move outward along the direction of the guide rail; conversely, when the support plate flips inward, it drives the leg rest to retract inward.

2. The massage office chair according to claim 1, characterized in that: One end of the connecting rod is provided with a first waist-shaped hole along its length direction, and is movably connected to the first slider through the first waist-shaped hole; a second waist-shaped hole perpendicular to the guide rail is provided on the leg support, and the other end of the connecting rod is movably connected to the leg support through the second waist-shaped hole.

3. The massage office chair according to claim 2, characterized in that: A sliding groove is provided on the leg support at the rotation axis in the middle of the connecting rod along the direction of the guide rail; a second sliding block that can slide on the sliding groove is connected to the rotation axis in the middle of the connecting rod.

4. The massage office chair according to claim 3, characterized in that: The first waist-shaped hole is connected to the first slider via a first rotating shaft; the second waist-shaped hole is connected to the other end of the connecting rod via a second rotating shaft; and the middle portion of the connecting rod is connected to the supporting plate via a third rotating shaft.

5. The massage office chair according to claim 2, characterized in that: The upper sleeves of the first waist-shaped hole and the second waist-shaped hole are provided with wear-resistant pads.

6. The massage office chair according to any one of claims 1 to 5, characterized in that: The invention comprises two connecting rods, which are symmetrically arranged.

7. The massage office chair according to claim 6, characterized in that: It also includes a base, and the backrest frame is movably connected to the base.

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