Footrest telescopic assembly and electric sofa

Abstract

The utility model relates to a footrest telescopic assembly which comprises a pair of vertical rods arranged in a left-right spaced mode, a connecting rod mechanism is arranged on the vertical rods, a connecting rod is arranged between the tops of the vertical rods, a linear module is movably connected to the connecting rod, and a driving rod is movably connected to the rear side of a sliding block of the linear module. The two ends of the driving rod are connected with the connecting rod mechanisms on the left side and the right side respectively. During use, the motor of the linear module drives the sliding block to slide so as to drive the connecting rod mechanisms on the left side and the right side to synchronously stretch or retract; the foot rest telescopic assembly has the advantages of being good in bearing capacity and good in structural stability.

Description

Technical Field

[0001] The utility model relates to the technical field of household appliances, in particular to a footrest telescopic component and an electric sofa. Background Art

[0002] Electric sofas are essential furniture for homes. In the patent document with patent application publication number CN221129344U and patent name "A seat frame and an electric sofa using the seat frame", the seat frame includes a telescopic footrest assembly, and the seat frame drives a rotating plate to rotate through a second electric push rod, thereby driving the telescopic footrest assembly to extend or contract; the telescopic footrest assembly can lift the user's legs and feet when extended, and can drop the user's legs and feet when contracted; the telescopic footrest assembly has poor load-bearing capacity and poor structural stability. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a telescopic footrest assembly, which has the characteristics of good bearing capacity and good structural stability.

[0004] In order to solve the above technical problems, the utility model provides a footrest telescopic assembly, including a pair of vertical rods arranged at intervals on the left and right, a connecting rod mechanism is provided on the vertical rods, a connecting rod is provided between the tops of the pair of vertical rods, a linear module is movably connected to the connecting rod, a driving rod is movably connected to the rear side of a slider of the linear module, the connecting rod mechanism includes a linkage plate vertically arranged on the front side of the vertical rod, a lower rocker is movably connected to the bottom of the linkage plate, the other end of the lower rocker is movably connected to the bottom of the vertical rod, and the driving rod is arranged between the lower rockers on the left and right sides. The rear end of the linkage plate is movably connected with an upper rocker, the other end of the upper rocker is movably connected to the middle of the vertical rod, the top of the linkage plate is movably connected with a connecting rod, the other end of the connecting rod is rotatably provided with a rocker rod, one end of the rocker rod is movably connected to the bottom of the vertical rod, the other end of the rocker rod is movably connected to a pull rod, the front end of the linkage plate is movably connected with a front support rod and a rear support rod, the other end of the pull rod is movably connected to the rear support rod, the top of the rear support rod is movably connected to a foot support rod, and the other end of the foot support rod is movably connected to the top of the front support rod.

[0005] Further preferably, the linear module is a ball screw type linear module, and the linear module can also be a synchronous belt type linear module or a linear motor type linear module.

[0006] Further preferably, the left and right sides of the slider of the linear module are movably connected with ear plates respectively, and one end of the ear plate away from the slider is fixed on the driving rod.

[0007] Further preferably, the lower rocker arm includes a first rod segment movably connected to the bottom of the vertical rod and extending forward, the first rod segment is provided with a second rod segment extending obliquely upward at one end away from the vertical rod, the first rod segment is provided with a fixing plate extending upward, and the driving rod is arranged between the tops of the left and right fixing plates.

[0008] Further preferably, a footrest is provided between the left and right side foot support rods.

[0009] An electric sofa comprises the footrest telescopic assembly.

[0010] The beneficial effects of the utility model are as follows: when in use, the motor of the linear module drives the slider to slide, thereby driving the left and right connecting rod mechanisms to extend or contract synchronously; when the connecting rod mechanism is in an extended state, the user's legs and feet can be lifted; when the connecting rod mechanism is in a contracted state, the user's legs and feet can be dropped; the new footrest telescopic assembly has the characteristics of good load-bearing capacity and good structural stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] In order to clearly illustrate the innovative principle of the utility model and its advantages over the existing footrest extension assembly, possible embodiments are described below by non-limiting examples of applying the principle with the aid of the accompanying drawings. In the drawings:

[0012] Figure 1 It is a three-dimensional diagram of the telescopic assembly of the footrest of the utility model;

[0013] Figure 2 A three-dimensional diagram of the connecting rod mechanism being installed on a vertical rod;

[0014] Figure 3 is a schematic diagram of the connecting rod mechanism in an extended state;

[0015] Figure 4 It is a schematic diagram of the connecting rod mechanism in a contracted state. DETAILED DESCRIPTION

[0016] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0017] Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative work shall fall within the scope of protection of the present invention.

[0018] It should be noted that all directional indications in the present embodiment (such as up, down, left, right, front, back...) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0019] In the present invention, unless otherwise clearly specified and limited, the terms "connection", "fixation", etc. should be understood in a broad sense. For example, "fixation" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; 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. Example

[0020] like Figure 1-3 A footrest telescopic assembly comprises a pair of vertical rods 1 arranged at intervals on the left and right, a connecting rod mechanism is arranged on the vertical rod 1, a connecting rod 2 is arranged between the tops of the pair of vertical rods 1, a linear module 3 is movably connected to the connecting rod 2, and a driving rod 5 is movably connected to the rear side of a slider 4 of the linear module 3, the connecting rod mechanism comprises a linkage plate 6 vertically arranged on the front side of the vertical rod 1, a lower rocker 7 is movably connected to the bottom of the linkage plate 6, and the other end of the lower rocker 7 is movably connected to the bottom of the vertical rod 1, the driving rod 5 is arranged between the lower rockers 7 on the left and right sides, and the rear end of the linkage plate 6 is movably connected to the upper rocker Rod 8, the other end of the upper rocker 8 is movably connected to the middle part of the vertical rod 1, the top of the linkage plate 6 is movably connected with a connecting rod 9, the other end of the connecting rod 9 is rotatably provided with a rocker rod 10, one end of the rocker rod 10 is movably connected to the bottom of the vertical rod 1, the other end of the rocker rod 10 is movably connected to a pull rod 11, the front end of the linkage plate 6 is movably connected to a front support rod 12 and a rear support rod 13, the other end of the pull rod 11 is movably connected to the rear support rod 13, the top of the rear support rod 13 is movably connected to a foot support rod 14, and the other end of the foot support rod 14 is movably connected to the top of the front support rod 12.

[0021] Preferably, the linear module 3 is a ball screw type linear module, and the linear module 3 can also be a synchronous belt type linear module or a linear motor type linear module.

[0022] Preferably, the left and right sides of the slider 4 of the linear module 3 are movably connected with ear plates 15 , respectively, and one end of the ear plate 15 away from the slider 4 is fixed on the driving rod 5 .

[0023] Preferably, the lower rocker arm 7 includes a first rod segment 16 movably connected to the bottom of the vertical rod 1 and extending forward, the first rod segment 16 is provided with a second rod segment 17 extending obliquely upward at one end away from the vertical rod 1, the first rod segment 16 is provided with an upwardly extending fixing plate 18, and the driving rod 5 is arranged between the tops of the left and right fixing plates 18.

[0024] Preferably, a footrest is provided between the left and right side foot support rods 14 .

[0025] When in use, the motor of the linear module 3 drives the slider 4 to slide, driving the left and right connecting rod mechanisms to extend or contract synchronously; Figure 1 and Figure 3 When the connecting rod mechanism is in the extended state, the user's legs and feet can be lifted; Figure 4 When the connecting rod mechanism is in a retracted state, the user's legs and feet can be dropped down; the footrest telescopic assembly of this embodiment has the characteristics of good load-bearing capacity and good structural stability. Example

[0026] An electric sofa comprises the footrest telescopic assembly described in embodiment 1.

[0027] The above is a preferred embodiment of the present invention. It should be pointed out that, for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A footrest telescopic assembly, characterized in that: The invention comprises a pair of vertical rods (1) arranged at intervals on the left and right, a connecting rod mechanism is arranged on the vertical rods (1), a connecting rod (2) is arranged between the tops of the pair of vertical rods (1), a linear module (3) is movably connected to the connecting rod (2), a driving rod (5) is movably connected to the rear side of a slider (4) of the linear module (3), the connecting rod mechanism comprises a linkage plate (6) arranged vertically on the front side of the vertical rod (1), a lower rocker (7) is movably connected to the bottom of the linkage plate (6), the other end of the lower rocker (7) is movably connected to the bottom of the vertical rod (1), the driving rod (5) is arranged between the lower rockers (7) on the left and right sides, the rear end of the linkage plate (6) is movably connected to an upper rocker (8), the upper The other end of the rocker (8) is movably connected to the middle of the vertical rod (1), the top of the linkage plate (6) is movably connected to a connecting rod (9), the other end of the connecting rod (9) is rotatably provided with a rocker rod (10), one end of the rocker rod (10) is movably connected to the bottom of the vertical rod (1), the other end of the rocker rod (10) is movably connected to a pull rod (11), the front end of the linkage plate (6) is movably connected to a front support rod (12) and a rear support rod (13), the other end of the pull rod (11) is movably connected to the rear support rod (13), the top of the rear support rod (13) is movably connected to a foot support rod (14), and the other end of the foot support rod (14) is movably connected to the top of the front support rod (12).

2. The footrest telescopic assembly according to claim 1, characterized in that: The left and right sides of the slider (4) of the linear module (3) are movably connected with ear plates (15), respectively, and one end of the ear plate (15) away from the slider (4) is fixed on the driving rod (5).

3. The footrest telescopic assembly according to claim 1, characterized in that: The lower rocker (7) comprises a first rod section (16) movably connected to the bottom of the vertical rod (1) and extending forward, a second rod section (17) extending obliquely upward is provided at one end of the first rod section (16) away from the vertical rod (1), a fixing plate (18) extending upward is provided on the first rod section (16), and the driving rod (5) is arranged between the tops of the left and right fixing plates (18).

4. The footrest telescopic assembly according to claim 1, characterized in that: A footrest is provided between the left and right foot support rods (14).

5. An electric sofa, characterized in that: The electric sofa comprises the footrest telescopic assembly according to any one of claims 1 to 4.

Images