Seat framework and electric sofa using same

Abstract

The utility model relates to a seat framework and an electric sofa applying the seat framework, the seat framework comprises a framework body, the left side and the right side of the framework body are respectively provided with a footrest telescopic assembly, the front ends of the footrest telescopic assemblies are connected with supporting rods, a footrest is arranged between the supporting rods on the left side and the right side, and the footrest telescopic assemblies are connected with the supporting rods on the right side. A connecting rod mechanism is arranged on the supporting rod and comprises a front rocker and a rear rocker which are connected to the lower portion of the front side of the supporting rod, the other end of the rear rocker is movably connected with a supporting arm, the other end of the front rocker is movably connected to the middle of the supporting arm, and a small foot plate is arranged between the supporting arm on the left side and the supporting arm on the right side. The end, away from the supporting arm, of the rear rocker extends out of a driving arm, a connecting rod is movably connected to the driving arm, and the other end of the connecting rod is movably connected with a swing rod and a driving rod. The width of the small foot plate of the seat framework can be designed to be large, and the proportion is more harmonious and attractive.

Description

Technical Field

[0001] The utility model relates to the technical field of seat accessories, in particular to a seat frame and an electric sofa using the seat frame. Background Art

[0002] like Figure 6-7 The seat frame of the prior art includes a frame body 21, and the left and right sides of the frame body 21 are respectively provided with footrest telescopic assemblies 22, and the footrest telescopic assembly 22 includes a top support rod 23, and a rotating plate 24 is arranged below the top support rod 23. A driving device 25 for driving the rotating plates 24 on the left and right sides to rotate synchronously is provided on the frame body 21, and a front swing rod 26 and a rear swing rod 27 are movably connected to the front side of the top support rod 23, and a driving rod 28 is movably connected to the middle part of the rear swing rod 27, and the other end of the driving rod 28 is movably connected to the front end of the rotating plate 24, and the other end of the rear swing rod 27 is movably connected to a rear support rod 29, and the end of the rear support rod 29 away from the rear swing rod 27 is movably connected to a support rod 30, and the front swing rod 26 and the rear swing rod 27 are movably connected. The other end of the front support rod 31 is movably connected to the front support rod 31, and the end of the front support rod 31 away from the front swing rod 26 is movably connected to the middle part of the support rod 30, and a footrest 32 is provided between the left and right support rods 30, and a connecting rod mechanism is provided on the support rod 30, and the connecting rod mechanism includes a front rocking rod 33 and a rear rocking rod 34 movably connected to the front lower side of the support rod 30, and the other end of the rear rocking rod 34 is movably connected to a support arm 35, and the other end of the front rocking rod 33 is movably connected to the middle part of the support arm 35, and a small foot plate 36 is provided between the tops of the left and right support arms 35, and a driving arm 37 is extended from the end of the rear rocking rod 34 away from the support arm 35, and a connecting rod 38 is movably connected to the driving arm 37, and the other end of the connecting rod 38 is movably connected to the rear support rod 29.

[0003] The seat frame of the prior art has the following problems: the width B of the footrest 36 can only be designed to be narrow, and the width and thickness ratio of the footrest 36 is not coordinated. If the width B of the footrest 36 is designed to be wider, the footrest telescopic assembly 22 will drive the footrest 36 to hit the ground during the contraction process, resulting in the inability to successfully complete the contraction of the footrest telescopic assembly 22. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide a seat frame and an electric sofa using the seat frame. The width of the footboard of the seat frame can be designed to be wider, and the proportion is more coordinated and beautiful.

[0005] To solve the above technical problems, the utility model provides a seat frame, including a frame body, the left and right sides of the frame body are respectively provided with footrest telescopic assemblies, the front end of the footrest telescopic assembly is connected to a support rod, a footrest is provided between the left and right support rods, a connecting rod mechanism is provided on the support rod, the connecting rod mechanism includes a front rocker and a rear rocker movably connected at the lower front side of the support rod, the other end of the rear rocker is movably connected to a support arm, the other end of the front rocker is movably connected to the middle part of the support arm, a small footboard is provided between the tops of the left and right support arms, a driving arm extends from one end of the rear rocker away from the support arm, a connecting rod is movably connected to the driving arm, the other end of the connecting rod is movably connected to a rocker rod and a driving rod, the other end of the rocker rod is movably connected to the rear end of an adjacent support rod, and the other end of the driving rod is connected to the telescopic assembly of the footrest.

[0006] The yoke is provided with a plurality of cams, each of which is provided with a plurality of camshafts, each of which is provided with a plurality of camshafts, each of which is provided with a plurality of camshafts, each of which is provided with a plurality of camshafts, each of which is provided with a plurality of camshafts, each of which is provided with a plurality of camshafts, each of which is provided with a plurality of camshafts, each of which is provided with a plurality of camshafts, each of which is provided with a plurality of camshafts, each of which is provided with a plurality of camshafts, each of which is provided with a plurality of camshafts, each of which is provided with a plurality of camshafts, each of which is provided with a plurality of camshafts,

[0007] An electric sofa comprises the seat frame.

[0008] The beneficial effects of the utility model are as follows: when the telescopic assembly of the footrest is in the extended state, the small footboard is located at the front side of the footrest, and the small footboard and the footrest are arranged in a straight line; during the contraction process, the telescopic assembly of the footrest drives the connecting rod mechanism to move, and the small footboard gradually moves to the rear side of the footrest; when the telescopic assembly of the footrest is in the contracted state, the small footboard is located at the rear side of the footrest, and the small footboard and the footrest are both vertically arranged; since the telescopic assembly of the footrest can drive the connecting rod mechanism to move quickly during the contraction process, so that the small footboard is quickly moved to the rear side of the footrest, even if the width of the small footboard is designed to be relatively wide, the small footboard will not hit the ground when it moves to the lowest point, and the width of the small footboard is designed to be wider, so that the width and thickness ratio of the small footboard can be more coordinated and beautiful; therefore, the width of the small footboard of the seat frame using the present invention can be designed to be wider, and the proportion is more coordinated and beautiful. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] In order to clearly illustrate the innovative principle of the utility model and its advantages over existing seat frames, possible embodiments are described below by non-limiting examples of applying the principle with the aid of the accompanying drawings. In the drawings:

[0010] Figure 1 A three-dimensional diagram of the seat frame of the present utility model;

[0011] Figure 2 is a schematic diagram of the footrest telescopic assembly and the connecting rod mechanism;

[0012] Figure 3 is a schematic diagram of the footrest telescopic assembly in an extended state;

[0013] Figure 4 It is a schematic diagram of the footrest telescopic assembly driving the footrest to move to the lowest point during the contraction process;

[0014] Figure 5 is a schematic diagram of the footrest telescopic assembly in a retracted state;

[0015] Figure 6 A three-dimensional diagram of a seat frame of the prior art;

[0016] Figure 7 The present invention is a schematic diagram of a footrest telescopic assembly and a connecting rod mechanism of a seat frame in the prior art. DETAILED DESCRIPTION

[0017] 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.

[0018] 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.

[0019] 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.

[0020] 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

[0021] like Figure 1-2 A seat frame comprises a frame body 1, and a footrest telescopic assembly 2 is respectively arranged on the left and right sides of the frame body 1, the front end of the footrest telescopic assembly 2 is connected with a support rod 3, a footrest 4 is arranged between the left and right support rods 3, a connecting rod mechanism is arranged on the support rod 3, and the connecting rod mechanism comprises a front rocker 5 and a rear rocker 6 movably connected at the front lower side of the support rod 3, the other end of the rear rocker 6 is movably connected with a supporting arm 7, the other end of the front rocker 5 is movably connected with the middle part of the supporting arm 7, a small footboard 8 is arranged between the tops of the left and right support arms 7, a driving arm 9 extends from one end of the rear rocker 6 away from the supporting arm 7, a connecting rod 10 is movably connected to the driving arm 9, the other end of the connecting rod 10 is movably connected with a rocker rod 11 and a driving rod 12, the other end of the rocker rod 11 is movably connected to the rear end of the adjacent support rod 3, and the other end of the driving rod 12 is connected to the telescopic assembly 2 of the footrest.

[0022] Preferably, the footrest telescopic assembly 2 includes a top support rod 13, a rotating plate 14 is arranged below the top support rod 13, a driving device 17 for driving the left and right rotating plates 14 to rotate synchronously is arranged on the skeleton body 1, a front swing rod 15 and a rear swing rod 16 are movably connected to the front side of the top support rod 13, a driving connecting rod 18 is movably connected to the middle part of the rear swing rod 16, the other end of the driving connecting rod 18 is movably connected to the front end of the rotating plate 14, the other end of the rear swing rod 16 is movably connected to the rear support rod 19, and the rear support rod 19 is movably connected to the end away from the rear swing rod 16 Connected to the rear end of the support rod 3, the end of the driving rod 12 away from the connecting rod 10 is movably connected to the rear support rod 19, the other end of the front swing rod 15 is movably connected to the front support rod 20, and the end of the front support rod 20 away from the front swing rod 15 is movably connected to the middle part of the support rod 3; when working, the driving device 17 drives the left and right rotating plates 14 to rotate synchronously, so that the footrest telescopic assembly 2 switches between the extended state and the retracted state; the footrest telescopic assembly 2 can lift the user's legs and feet when it is extended, and can drop the user's legs and feet when it is retracted. Example

[0023] An electric sofa comprises the seat frame described in Example 1.

[0024] When working, Figure 3 When the footrest telescopic assembly 2 is in the extended state, the small footrest 8 is located in front of the footrest 4, and the small footrest 8 and the footrest 4 are arranged in a line; Figure 4 , the footrest telescopic assembly 2 during the contraction process, drives the connecting rod mechanism to move, the small foot plate 8 gradually moves to the rear side of the footrest 4; Figure 5 When the footrest telescopic assembly 2 is in the retracted state, the small footboard 8 is located at the rear side of the footrest 4, and the small footboard 8 and the footrest 4 are both arranged vertically; because the footrest telescopic assembly 2 can drive the connecting rod mechanism to move quickly during the retraction process, so that the small footboard 8 is quickly displaced to the rear side of the footrest 4, even if the width A of the small footboard 8 is designed to be relatively wide, the small footboard 8 will not hit the ground when it is displaced to the lowest point. Designing the width A of the small footboard 8 to be wider can make the width and thickness ratio of the small footboard 8 more coordinated and beautiful; therefore, the width of the small footboard of the seat frame of this embodiment can be designed to be wider, and the proportion is more coordinated and beautiful.

[0025] 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 seat frame, characterized in that: The invention comprises a skeleton body (1), wherein the left and right sides of the skeleton body (1) are respectively provided with footrest telescopic assemblies (2), the front end of the footrest telescopic assembly (2) is connected with a support rod (3), a footrest (4) is provided between the left and right support rods (3), a connecting rod mechanism is provided on the support rod (3), and the connecting rod mechanism comprises a front rocker (5) and a rear rocker (6) movably connected to the front lower side of the support rod (3), the other end of the rear rocker (6) is movably connected to a support arm (7), and the other end of the front rocker (5) is movably connected to the support arm (7). A footrest (8) is movably connected to the middle of the support arm (7), and a small footrest (8) is provided between the tops of the left and right support arms (7). A driving arm (9) extends from one end of the rear rocker (6) away from the support arm (7). A connecting rod (10) is movably connected to the driving arm (9). The other end of the connecting rod (10) is movably connected to a swing rod (11) and a driving rod (12). The other end of the swing rod (11) is movably connected to the rear end of the adjacent support rod (3), and the other end of the driving rod (12) is connected to the footrest telescopic assembly (2).

2. The seat frame according to claim 1, characterized in that: The footrest telescopic assembly (2) comprises a top support rod (13), a rotating plate (14) is arranged below the top support rod (13), a driving device (17) for driving the left and right rotating plates (14) to rotate synchronously is arranged on the skeleton body (1), a front swing rod (15) and a rear swing rod (16) are movably connected to the front side of the top support rod (13), a driving connecting rod (18) is movably connected to the middle part of the rear swing rod (16), and the other end of the driving connecting rod (18) is movably connected to the rotating plate The front end of the rear swing rod (14) is movably connected to the rear support rod (19) at the other end of the rear swing rod (16), and one end of the rear support rod (19) away from the rear swing rod (16) is movably connected to the rear end of the support rod (3); one end of the driving rod (12) away from the connecting rod (10) is movably connected to the rear support rod (19); the other end of the front swing rod (15) is movably connected to the front support rod (20), and one end of the front support rod (20) away from the front swing rod (15) is movably connected to the middle part of the support rod (3).

3. An electric sofa, characterized in that: The electric sofa comprises the seat frame according to any one of claims 1-2.

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