Leg support for zero-gravity seat

Abstract

The utility model belongs to the technical field of seat leg supports, particularly relates to a leg support for a zero-gravity seat, and aims to solve the problems that an existing traditional leg support is complex in design, strenuous in manual driving, inconvenient to operate, limited in adjusting precision and the like. The top of the mounting plate is provided with a telescopic support, the telescopic support is composed of a movable part and a fixed part, the movable part and the fixed part are connected in a sliding mode, and the bottom of the fixed part of the telescopic support is fixedly connected with the top of the mounting plate. According to the leg support for the zero-gravity seat, the mounting plate, the telescopic bracket and the dual-motor driving assembly are hinged, so that the operation convenience is remarkably improved; the movable part and the fixed part of the telescopic bracket are in sliding connection, so that accurate adjustment of the leg support is realized; the double motors respectively drive the mounting plate to rotate and lift and the leg supporting plate to horizontally push out, the structure is simple, the driving force is strong, and stable and comprehensive leg supporting is provided for a user.

Description

TECHNICAL FIELD

[0001] The utility model relates to chair leg support technical field especially uses the leg support for zero gravity chair. BACKGROUND

[0002] In modern furniture design, especially for the people who work or rest for a long time, the design of zero gravity chair is paid more and more attention. Zero gravity chair provides more comfortable and healthy sitting experience for users by simulating zero gravity state. Among them, the leg support as an important part of the zero gravity chair plays an important role in improving the comfort and health benefits of users.

[0003] Traditional leg support design is often complex, inconvenient to operate, and difficult to achieve precise adjustment and support. Some leg supports can only realize simple lifting or flipping function, and cannot meet the needs of users for full range of leg support. In addition, some leg supports use manual operation in driving mode, which is not only laborious, but also limited in adjustment accuracy.

[0004] In view of the above problems, the utility model file puts forward the leg support for zero gravity chair. INVENTION CONTENTS

[0005] The utility model aims at solving the shortcomings of traditional leg support design, such as complexity, laborious manual driving, inconvenience and limited adjustment accuracy, and provides a leg support for zero gravity chair.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] The leg support for zero gravity chair comprises:

[0008] The mounting frame is hinged at one end with a mounting plate, the top of the mounting plate is provided with a telescopic support, the telescopic support is composed of a movable part and a fixed part, the movable part and the fixed part are connected by sliding, the bottom of the fixed part of the telescopic support is fixedly connected with the top of the mounting plate, the top of the movable part of the telescopic support is fixedly installed with a leg support plate, and the leg support plate is used to provide support for the legs of the user.

[0009] It also comprises a driving assembly, which is used to realize the horizontal pushing out of the mounting plate and the leg support plate.

[0010] In a possible design, the mounting frame is composed of a support frame, a rotating shaft and a rotating frame, the rotating shaft is arranged at one end of the support frame, the rotating shaft penetrates the support frame, one end of the support frame is provided with two rotating frames, the two rotating frames are rotatably connected with one side of the support frame respectively, the two rotating frames are fixedly connected with the rotating shaft, the other end of the two rotating frames is hingedly connected with the bottom of the mounting plate, and the mounting plate is used to realize the storage and lifting.

[0011] In a possible design, the driving assembly comprises a fixed frame fixedly installed on the inner wall of one side of the support frame, a first motor fixedly installed in the fixed frame, a first screw rod lifter fixedly installed at one end of the first motor, and an output shaft of the first motor fixedly connected with an input shaft of the first screw rod lifter, the first motor being configured to push out and retract a screw rod in the first screw rod lifter; and a connecting convex shaft fixedly sleeved on the outer wall of the rotating shaft, one end of the screw rod of the first screw rod lifter being rotationally connected with a protruding portion of the connecting convex shaft, the connecting convex shaft being configured to drive the rotating frame to rotate.

[0012] In a possible design, the driving assembly further comprises a second motor fixedly installed on the bottom of the mounting plate, a second screw rod lifter fixedly installed at one end of the second motor, and an output shaft of the second motor fixedly connected with an input shaft of the second screw rod lifter, the second motor being configured to push out and retract a screw rod in the second screw rod lifter; and the screw rod of the second screw rod lifter being fixedly connected with the bottom of the movable portion of the telescopic support, the telescopic support being configured to push out and retract the leg support plate.

[0013] In the application, the mounting frame can be fixedly installed on the front side of the seat body when in use; when the user needs to open the leg rest, the user can start the first motor, the first motor can control the screw rod of the first screw rod lifter to push out, and the screw rod of the first screw rod lifter can drive the rotating shaft to rotate through the connecting convex shaft when moving, thereby driving the rotating frame to flip the mounting plate, completing the rotation and lifting of the mounting plate, and at this time, the leg support plate can provide support for the user's legs; when the user needs to adjust the range of support, the user only needs to start the second motor, the second motor can control the screw rod of the second screw rod lifter to extend and push the leg support plate to move outward, so as to increase the area of the support provided for the user's legs, thereby facilitating the use requirements of users of different sizes; when the leg rest is not needed, the user can again rotate the mounting plate back through the driving assembly, and the movable portion of the telescopic support can also be slid back into the fixed portion, so as to realize the compact storage of the leg rest, save space, and facilitate the normal use of the seat by the user.

[0014] Beneficial effects: in the application, the zero-gravity seat leg rest comprises a hinged mounting plate, a telescopic support and a driving assembly, and the leg rest is convenient to operate; the user only needs to drive the mounting plate to rotate and lift and horizontally push out the leg support plate through the driving assembly, without the need for complex manual operation, thereby greatly improving the use convenience.

[0015] The utility model discloses a leg support for zero gravity seat, wherein the telescopic support is composed of a movable part and a fixed part, and the movable part and the fixed part are connected by sliding, which can be accurately adjusted according to the leg length and sitting posture requirement of the user; the leg support plate is used to provide stable and comprehensive support for the user's leg, effectively relieving leg fatigue and improving sitting posture comfort.

[0016] In the utility model, the leg support for zero gravity seat, drive assembly includes first motor and second motor, is used for driving the rotation of mounting plate and the horizontal push of leg support plate respectively;The first motor is matched with the first screw rod elevator, realizes the push and retraction of corresponding screw rod, and then drives the rotation of the rotating frame;The second motor is also matched with the second screw rod elevator, and the push and retraction of leg support plate can be realized;This design not only has simple structure, but also has strong driving force and high adjustment accuracy.

[0017] In the utility model, the leg support for zero gravity seat is provided with a hinged mounting plate, a telescopic support and a double-motor drive assembly, which significantly improves the operation convenience;The movable part and the fixed part of the telescopic support are connected by sliding, which realizes the accurate adjustment of leg support;The double-motor drives the rotation of the mounting plate and the horizontal push of the leg support plate, respectively, which has simple structure, strong driving force and high adjustment accuracy, provides stable and comprehensive leg support for the user, and greatly improves the sitting posture comfort and experience. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 The utility model provides a three-dimensional structure schematic diagram under the opening state of the leg support for zero gravity seat;

[0019] Figure 2 The utility model provides a three-dimensional structure schematic diagram under the closing state of the leg support for zero gravity seat;

[0020] Figure 3 The utility model provides a split structure schematic diagram of the leg support for zero gravity seat;

[0021] Figure 4 The utility model provides a movable state display structure schematic diagram of the leg support for zero gravity seat.

[0022] In the figure: 1, mounting frame;2, mounting plate;3, telescopic support;4, leg support plate;5, support frame;6, fixed frame;7, rotating shaft;8, connecting convex shaft;9, rotating frame;10, first motor;11, first screw rod elevator;12, second motor;13, second screw rod elevator. DETAILED DESCRIPTION

[0023] Clearly, the described embodiments are merely a part of the embodiments of the present application, but not all the embodiments.

[0024] Embodiment 1: Refer to Figures 1-4 A leg support, comprising: a mounting frame 1, a mounting plate 2, a telescopic support 3 and a leg support plate 4 and the like components.

[0025] One end of the mounting frame 1 is hingedly connected with the mounting plate 2, and the top of the mounting plate 2 is provided with the telescopic support 3. The telescopic support 3 is composed of a movable part and a fixed part, and the movable part and the fixed part are slidingly connected. The fixed part of the telescopic support 3 is fixedly connected with the top of the mounting plate 2. The movable part of the telescopic support 3 is fixedly provided with the leg support plate 4, and the leg support plate 4 is used to provide support for the user's legs.

[0026] In this embodiment, the mounting frame 1 is composed of a support frame 5, a rotating shaft 7 and a rotating frame 9. The rotating shaft 7 is arranged at one end of the support frame 5 and rotates through the support frame 5. One end of the support frame 5 is provided with two rotating frames 9, and the two rotating frames 9 are respectively rotatably connected with one side of the support frame 5 and fixedly connected with the rotating shaft 7. The other end of the two rotating frames 9 is hingedly connected with the bottom of the mounting plate 2, so as to realize the storage and lifting of the mounting plate 2.

[0027] In addition, the mechanism further comprises a driving assembly for realizing the rotating lifting of the mounting plate 2 and the horizontal pushing out of the leg support plate 4.

[0028] The present application can be used in the field of seat leg support technology, and can also be used in other fields applicable to the present application.

[0029] Embodiment 2: Refer to Figure 3 On the basis of embodiment 1, the improvement is a leg support for zero-gravity seat, which is applied to the field of seat leg support technology.

[0030] Further, in this embodiment, the driving assembly comprises a fixed frame 6 fixedly installed on one side of the inner wall of the support frame 5, and a first motor 10 fixedly installed in the inside of the fixed frame 6. One end of the first motor 10 is fixedly provided with a first screw rod lifter 11, and the output shaft of the first motor 10 is fixedly connected with the input shaft of the first screw rod lifter 11. The first motor 10 is used to realize the pushing out and retraction of the screw rod in the first screw rod lifter 11. The outer wall of the rotating shaft 7 is fixedly provided with a connecting convex shaft 8, and one end of the screw rod of the first screw rod lifter 11 is rotatably connected with the protruding part of the connecting convex shaft 8, so as to drive the rotating frame 9 to rotate.

[0031] In addition to the first motor 10 and the first screw rod lifter 11, in the embodiment, the driving assembly further comprises a second motor 12 fixedly installed at the bottom of the mounting plate 2. One end of the second motor 12 is fixedly installed with a second screw rod lifter 13, and the output shaft of the second motor 12 is fixedly connected with the input shaft of the second screw rod lifter 13. The second motor 12 is used to realize the extension and retraction of the screw rod in the second screw rod lifter 13. One end of the screw rod of the second screw rod lifter 13 is fixedly connected with the bottom of the movable part of the telescopic support 3, so as to drive the extension and retraction of the leg support plate 4.

[0032] However, as known by those skilled in the art, the working principles and wiring methods of the first motor 10 and the second motor 12 are common, which belong to conventional means or common general knowledge, and will not be described here. Those skilled in the art can make any selection or arrangement according to their needs or convenience.

[0033] The working principle and use process of the technical solution are as follows: when in use, the user can install and fix the mounting frame 1 on the front side of the seat body; when the user needs to open the leg support, the user can start the first motor 10, the first motor 10 can control the extension of the screw rod of the first screw rod lifter 11, the screw rod of the first screw rod lifter 11 can drive the rotation of the rotating shaft 7 through the connection of the convex shaft 8, and then drive the rotating frame 9 to rotate the mounting plate 2, complete the rotation of the mounting plate 2, and at this time, the leg support plate 4 can provide support for the user's legs; when the user needs to adjust the range of support, only the second motor 12 needs to be started, the second motor 12 can control the extension of the screw rod of the second screw rod lifter 13 and push the leg support plate 4 to move outward, so as to increase the area of the support provided for the user's legs, and conveniently meet the use needs of users of different sizes; when the leg support is not needed, the user can again rotate the mounting plate 2 back by the driving assembly, and the movable part of the telescopic support 3 can also be slid back to the fixed part, so as to realize the compact storage of the leg support, save space, and facilitate the normal use of the seat by the user.

[0034] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto. Any person skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. Leg rest for a zero gravity seat, characterized in that The utility model relates to a kind of installation frame and drive assembly, including: Mounting frame (1), one end of the mounting frame (1) is hinged with mounting plate (2), the top of the mounting plate (2) is provided with telescopic support (3), the telescopic support (3) is composed of movable part and fixed part, the movable part is slidably connected between the fixed part, the fixed part bottom of the telescopic support (3) is fixedly connected with the top of mounting plate (2), the movable part top of the telescopic support (3) is fixedly installed with leg support plate (4), and the leg support plate (4) is used to provide support to the legs of user; It further includes drive assembly, which is used to realize the rotation lifting of mounting plate (2) and the horizontal pushing out of leg support plate (4).

2. The leg rest for a zero gravity seat of claim 1, wherein The mounting frame (1) is composed of support frame (5), rotating shaft (7) and rotating frame (9), the rotating shaft (7) is arranged at one end of the support frame (5), the rotating shaft (7) rotates through the support frame (5), one end of the support frame (5) is provided with two rotating frames (9), two rotating frames (9) are rotatably connected with one side of the support frame (5) respectively, two rotating frames (9) are fixedly connected with the rotating shaft (7), and the other ends of two rotating frames (9) are hingedly connected with the bottom of the mounting plate (2), for realizing the storage and lifting of the mounting plate (2).

3. The leg rest for a zero gravity seat of claim 2, wherein, The drive assembly includes a fixed frame (6) fixedly installed on one side of the inner wall of the support frame (5), a first motor (10) is fixedly installed in the fixed frame (6), a first screw rod elevator (11) is fixedly installed at one end of the first motor (10), the output shaft of the first motor (10) is fixedly connected with the input shaft of the first screw rod elevator (11), and the first motor (10) is used to realize the pushing out and retraction of the screw rod in the first screw rod elevator (11);The outer wall of the rotating shaft (7) is fixedly provided with a connecting convex shaft (8), and one end of the screw rod of the first screw rod elevator (11) is rotatably connected with the protruding part of the connecting convex shaft (8), for driving the rotating frame (9) to rotate.

4. The leg rest for a zero gravity seat of claim 3, wherein, The drive assembly further includes a second motor (12) fixedly installed on the bottom of the mounting plate (2), a second screw rod elevator (13) is fixedly installed at one end of the second motor (12), the output shaft of the second motor (12) is fixedly connected with the input shaft of the second screw rod elevator (13), and the second motor (12) is used to realize the pushing out and retraction of the screw rod in the second screw rod elevator (13);The bottom of the movable part of the telescopic support (3) is fixedly connected with one end of the screw rod of the second screw rod elevator (13), for realizing the pushing out and retraction of the leg support plate (4).

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