Hidden leg lifting mechanism

Abstract

The utility model discloses a hidden leg lifting mechanism which comprises a seat frame assembly, a leg frame assembly and a foot frame assembly. The seat frame assembly is rotationally connected with a driving motor through a seat frame motor support, the output end of the driving motor is rotationally connected with a leg frame motor support, and the leg frame motor support is fixedly connected with the leg frame assembly. Connecting rod assemblies are arranged on the two sides of the leg frame assembly respectively and comprise upper connecting rods, lower connecting rods, upper connecting rod supports and lower connecting rod supports, the bottom ends of the upper connecting rods and the bottom ends of the lower connecting rods are rotationally connected with the lower connecting rod supports respectively, and the lower connecting rod supports are fixedly connected with the seat frame. The upper ends of the upper connecting rod and the lower connecting rod are rotationally connected with the upper connecting rod support which is fixedly connected with the foot frame assembly. Through the structural design of the seat frame assembly, the leg frame assembly, the foot frame assembly, the driving motor, the connecting rod assembly and the like, the hidden leg lifting function of the sofa bed is achieved, and the overall attractiveness and the space utilization rate of a sofa are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to sofa bed technical field, concretely relates to a hidden type leg lifting mechanism. BACKGROUND

[0002] With the continuous development of science and technology, people's pursuit of science and technology and the pursuit of fashion are also constantly improving, and the life taste requirements of more and more people are also changing day by day, due to the continuous development of modern society, people are more and more tired, and now the people are more willing to lie on the sofa after work to watch a favorite movie or variety show, but the traditional sofa often cannot meet people's requirements for comfort, at this time, a sofa that can be adjusted according to people's own needs is needed to meet people's requirements for comfort, so the sofa bed is born.

[0003] The leg lifting mechanism of the traditional sofa bed mostly adopts a relatively simple structure, which is not smooth enough during unfolding and folding, and is prone to jamming, affecting the user's experience. Moreover, the sofa bed foot frame on the market often uses a connecting rod support, which exposes the connecting rod when raised, making the product safety and aesthetics cannot be guaranteed.

[0004] Based on the above situation, the utility model provides a hidden type leg lifting mechanism, which can effectively solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model overcomes the above defects in the prior art and provides a hidden type leg lifting mechanism.

[0006] The utility model realizes the following technical scheme:

[0007] A hidden type leg lifting mechanism, comprising a seat frame assembly, a leg frame assembly and a foot frame assembly, the seat frame assembly is rotatably connected with a drive motor through a seat frame motor support, the output end of the drive motor is rotatably connected with a leg frame motor support, the leg frame motor support is fixedly connected with the leg frame assembly, two sides of the leg frame assembly are respectively provided with a connecting rod assembly, the connecting rod assembly comprises an upper connecting rod, a lower connecting rod, an upper connecting rod support and a lower connecting rod support, the bottom end of the upper connecting rod and the lower connecting rod is rotatably connected with the lower connecting rod support, the lower connecting rod support is fixedly connected with the seat frame assembly, the upper end of the upper connecting rod and the lower connecting rod is rotatably connected with the upper connecting rod support, and the upper connecting rod support is fixedly connected with the foot frame assembly.

[0008] According to the above technical scheme, as a further preferred technical scheme of the above technical scheme, the seat frame assembly is fixedly connected with two first horizontal rods, and a first fixed support is fixedly connected to the first horizontal rod away from the leg frame assembly side of the seat frame assembly; a first vertical rod is fixedly connected between the two first horizontal rods, and a second horizontal rod is fixedly connected to one side of the seat frame assembly and the first vertical rod, and the seat frame motor support is fixedly connected with the second horizontal rod; a third horizontal rod is fixedly connected to the other side of the seat frame assembly and the first vertical rod, and a second fixed support is fixedly connected to the third horizontal rod.

[0009] According to the above technical scheme, as a further preferred technical scheme of the above technical scheme, the leg frame assembly is fixedly connected with two fourth horizontal rods, and the two ends of the two fourth horizontal rods are respectively fixedly connected with the upper connecting rod; a second vertical rod is fixedly connected between the two fourth horizontal rods; and the fourth horizontal rod close to the seat frame assembly side of the leg frame assembly is fixedly connected with the leg frame motor support.

[0010] According to the above technical scheme, as a further preferred technical scheme of the above technical scheme, the leg frame assembly is fixedly connected with two fourth horizontal rods, and the two ends of the two fourth horizontal rods are respectively fixedly connected with the upper connecting rod; a second vertical rod is fixedly connected between the two fourth horizontal rods; and the fourth horizontal rod close to the seat frame assembly side of the leg frame assembly is fixedly connected with the leg frame motor support.

[0011] Compared with the prior art, the utility model has the following advantages and beneficial effects:

[0012] The hidden type leg lifting mechanism provided by the utility model realizes the hidden type leg lifting function of the sofa bed through the structure design of the seat frame assembly, the leg frame assembly, the foot frame assembly, the driving motor and the connecting rod assembly, etc. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is an overall structure schematic view when the utility model is in an unfolded state.

[0014] Figure 2 It is an overall structure schematic view when the utility model is in a folded state. DETAILED DESCRIPTION

[0015] In order to make the technical scheme of the utility model better understood by the skilled in the art, the preferred embodiment of the utility model is described below in conjunction with specific embodiments, but it should be understood that the drawings are only for illustrative description, and cannot be understood as limiting the patent; in order to better illustrate the embodiment, some components in the drawings may be omitted, enlarged or reduced, and do not represent the size of the actual product; for those skilled in the art, it is understandable that some well-known structures and their descriptions in the drawings may be omitted. The positional relationship described in the drawings is only for illustrative description, and cannot be understood as limiting the patent.

[0016] A hidden leg lifting mechanism, comprising a seat frame assembly 1, a leg frame assembly 2 and a foot frame assembly 3; the seat frame assembly 1 is rotatably connected with a drive motor 5 through a seat frame motor support 4, the output end of the drive motor 5 is rotatably connected with a leg frame motor support 6, and the leg frame motor support 6 is fixedly connected with the leg frame assembly 2; both sides of the leg frame assembly 2 are respectively provided with a connecting rod assembly 7, the connecting rod assembly 7 comprises an upper connecting rod 71, a lower connecting rod 72, an upper connecting rod support 73 and a lower connecting rod support 74, the bottom ends of the upper connecting rod 71 and the lower connecting rod 72 are respectively rotatably connected with the lower connecting rod support 74, and the lower connecting rod support 74 is fixedly connected with the seat frame assembly 1; the upper ends of the upper connecting rod 71 and the lower connecting rod 72 are respectively rotatably connected with the upper connecting rod support 73, and the upper connecting rod support 73 is fixedly connected with the foot frame assembly 3.

[0017] The seat frame assembly 1, the leg frame assembly 2, the foot frame assembly 3 and the drive motor 5, the connecting rod assembly 7 and other structure designs are used, so that the sofa bed hidden leg lifting function is realized; and the rotation of the drive motor 5 can drive the leg frame assembly 2 to rotate, and the connecting rod assembly 7 plays a connecting and transmission role between the leg frame assembly 2 and the foot frame assembly 3, so that the foot frame assembly 3 can be adjusted accordingly with the action of the leg frame assembly 2, the needs of different postures of users when using the sofa are met, and the hidden design also improves the overall appearance and space utilization of the sofa.

[0018] Further, in another embodiment, the seat frame assembly 1 is fixedly connected with two first horizontal rods 11, a first fixed support 12 is fixedly connected on the first horizontal rod 11 away from the leg frame assembly 2 side of the seat frame assembly 1; a first vertical rod 13 is fixedly connected between the two first horizontal rods 11, a second horizontal rod 14 is fixedly connected with one side of the seat frame assembly 1, and the seat frame motor support 4 is fixedly connected with the second horizontal rod 14; a third horizontal rod 15 is fixedly connected with the other side of the seat frame assembly 1, and a second fixed support 16 is fixedly connected on the third horizontal rod 15.

[0019] The first horizontal rod 11, the first vertical rod 13, the second horizontal rod 14 and the third horizontal rod 15 cooperate with each other to provide reliable mounting positions for the seat frame motor bracket 4, the driving motor 5 and other components, guarantee the stability of the entire lifting mechanism during operation, so that the sofa bed does not shake, displace and other problems during use, and the user experience and safety are improved.

[0020] Further, in another embodiment, the leg frame assembly 2 is fixedly connected with two fourth horizontal rods 21, the two ends of the two fourth horizontal rods 21 are fixedly connected with the upper connecting rod 71 respectively, the second vertical rod 22 is fixedly connected between the two fourth horizontal rods 21, and the fourth horizontal rod 21 close to the seat frame side of the leg frame assembly 2 is fixedly connected with the leg frame motor bracket 6.

[0021] By arranging the fourth horizontal rod 21 and the second vertical rod 22, the structural strength of the leg frame assembly 2 itself is enhanced, meanwhile, the fourth horizontal rod 21 is fixedly connected with the leg frame motor bracket 6, so as to guarantee the stability of the driving motor driving the leg frame assembly 2 and ensure the smoothness and accuracy of the sofa bed during angle adjustment.

[0022] Further, in another embodiment, the leg frame assembly 2 is fixedly connected with two fourth horizontal rods 21, the two ends of the two fourth horizontal rods 21 are fixedly connected with the upper connecting rod 71 respectively, the second vertical rod 22 is fixedly connected between the two fourth horizontal rods 21, and the fourth horizontal rod 21 close to the seat frame side of the leg frame assembly 2 is fixedly connected with the leg frame motor bracket 6.

[0023] By arranging the fifth horizontal rod 31 and the third vertical rod 32, the structural stability of the foot frame assembly 3 is enhanced, and stable and reliable support can be provided for the legs of the user when the sofa bed is in leg lifting, so as to improve the comfort of the user during use.

[0024] According to the description and drawings of the utility model, a person skilled in the art can easily manufacture or use the utility model, and the positive effects described in the utility model can be achieved.

[0025] Unless otherwise specified, in the utility model, if there are terms such as 'length', 'width', 'upper', 'lower', 'front','rear', 'left', 'right','vertical', 'horizontal', 'top', 'bottom', 'inner', 'outer', 'clockwise', 'counterclockwise', 'axial', 'radial', 'circumferential', the orientation or positional relationship indicated by the terms is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore the terms describing the orientation or positional relationship in the utility model are only used for exemplary description, and cannot be understood as a limitation on the patent, and for ordinary skilled persons in the art, the specific meanings of the above terms can be understood in combination with the drawings and according to specific circumstances.

[0026] Unless clearly and specifically defined and limited, in the present application, the terms "set", "connected", and "connection" should be understood broadly, for example, can be fixedly connected, can be detachably connected, or integrally connected; can be directly connected, or indirectly connected through an intermediate medium; can be internal communication of two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0027] The above is only the preferred embodiment of the present application, and does not limit the present application in any form. Any simple modification or equivalent change made according to the technical essence of the present application to the above embodiments falls within the scope of protection of the present application.

Claims

1. A concealed leg lift mechanism characterized by: The application relates to a seat frame assembly (1), a leg frame assembly (2) and a foot frame assembly (3); the seat frame assembly (1) is rotationally connected with a driving motor (5) through a seat frame motor support (4), the output end of the driving motor (5) is rotationally connected with a leg frame motor support (6), and the leg frame motor support (6) is fixedly connected with the leg frame assembly (2); two sides of the leg frame assembly (2) are respectively provided with a connecting rod assembly (7), the connecting rod assembly (7) comprises an upper connecting rod (71), a lower connecting rod (72), an upper connecting rod support (73) and a lower connecting rod support (74), the bottom ends of the upper connecting rod (71) and the lower connecting rod (72) are respectively rotationally connected with the lower connecting rod support (74), and the lower connecting rod support (74) is fixedly connected with the seat frame assembly (1); the upper ends of the upper connecting rod (71) and the lower connecting rod (72) are respectively rotationally connected with the upper connecting rod support (73), and the upper connecting rod support (73) is fixedly connected with the foot frame assembly (3).

2. A concealed leg lift mechanism according to claim 1, wherein: The seat frame assembly (1) is fixedly connected with two first horizontal rods (11), a first fixing support (12) is fixedly connected on the first horizontal rod (11) away from the leg frame assembly (2) on one side of the seat frame assembly (1); a first vertical rod (13) is fixedly connected between the two first horizontal rods (11), a second horizontal rod (14) is fixedly connected with one side of the seat frame assembly (1) and the seat frame motor support (4); a third horizontal rod (15) is fixedly connected with the other side of the seat frame assembly (1) and the seat frame motor support (4), and a second fixing support (16) is fixedly connected on the third horizontal rod (15).

3. A concealed leg lift mechanism as claimed in claim 1, wherein: The leg frame assembly (2) is fixedly connected with two fourth horizontal rods (21), the two ends of the two fourth horizontal rods (21) are respectively fixedly connected with the upper connecting rod (71); a second vertical rod (22) is fixedly connected between the two fourth horizontal rods (21); the fourth horizontal rod (21) close to the seat frame on one side of the leg frame assembly (2) is fixedly connected with the leg frame motor support (6).

4. A concealed leg lift mechanism as claimed in claim 1, wherein: The foot frame assembly (3) is fixedly connected with two fifth horizontal rods (31), and a third vertical rod (32) is fixedly connected between the fifth horizontal rods (31).

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