Slide rail electric chair frame mechanism

Abstract

The present invention discloses a slide rail type electric chair frame mechanism, including a fixed connecting rod and a seat frame, a main push motor is installed on the fixed connecting rod, a lifting connecting rod mechanism is hinged at one end of the seat frame, the lifting connecting rod mechanism is connected to the main push motor, the main push motor extends to drive the lifting connecting rod mechanism to rotate and push the seat frame to rotate and lift, a footrest board connecting rod mechanism is installed on the other end of the seat frame, an auxiliary push motor is connected to the footrest board connecting rod mechanism, and the other end of the auxiliary push motor is connected to the seat frame. The left and right sides of the seat frame are respectively connected to the side panels, and the lower parts of the front and rear ends of the side panels are respectively connected to the front connecting rod and the rear connecting rod, and the front connecting rod and the rear connecting rod are also provided with pulleys, and the pulleys of the front connecting rod and the rear connecting rod are respectively slidably connected to the front sliding bracket and the rear sliding bracket. In the above manner, the slide rail type electric chair frame mechanism of the present invention can realize the adjustment of various postures of the chair frame, thereby improving the comfort of the sofa.

Description

Technical Field

[0001] The invention relates to the field of electric furniture, in particular to a slide rail type electric chair frame mechanism. Background Art

[0002] With the development of science and technology and the improvement of living standards, electric furniture is increasingly entering our daily lives. Existing electric sofas generally have the functions of chair frame lifting and leg extension. The structure of electric sofas is often complex, the stability during lifting is not good, the lifting angle is also limited, the function is relatively single, and it cannot meet the use needs. Summary of the invention

[0003] The main technical problem solved by the present invention is to provide a slide rail type electric chair frame mechanism, which can realize the adjustment of the chair frame to various different postures and improve the comfort of the sofa.

[0004] To solve the above technical problems, a technical solution adopted by the present invention is: to provide a sliding rail type electric chair frame mechanism, including a fixed connecting rod and a seat frame, a main pushing motor is installed on the fixed connecting rod, one end of the seat frame is hinged with a lifting connecting rod mechanism, the lifting connecting rod mechanism is connected to the main pushing motor, the main pushing motor extends to drive the lifting connecting rod mechanism to rotate and push the seat frame to rotate and lift, the other end of the seat frame is installed with a footrest board connecting rod mechanism, the footrest board connecting rod mechanism is connected with an auxiliary pushing motor, the other end of the auxiliary pushing motor is connected to the seat frame, the left and right sides of the seat frame are respectively connected to the side panels, the lower parts of the front and rear ends of the side panels are respectively connected to the front connecting rod and the rear connecting rod, the front connecting rod and the rear connecting rod are also provided with pulleys, the pulleys of the front connecting rod and the rear connecting rod are respectively slidably connected to the front sliding bracket and the rear sliding bracket.

[0005] In a preferred embodiment of the present invention, the lifting link mechanism includes a transverse link hinged on the left and right sides of the seat frame, the middle part of the transverse link is connected to the main propulsion motor, the left and right sides of the transverse link are connected with link parts, and the lower end of the connecting rod is provided with a hook, and the transverse link is rotated to make the hook contact with the seat frame to limit the rotation angle of the transverse link.

[0006] In a preferred embodiment of the present invention, mounting plates are provided on the left and right sides of the seat frame, and the left and right ends of the transverse connecting rod are hinged on the mounting plates.

[0007] In a preferred embodiment of the present invention, the footrest connecting rod mechanism includes a footrest connecting rod connected to the auxiliary propulsion motor, the left and right ends of the footrest connecting rod are connected to a footrest telescopic assembly, and the upper end of the footrest telescopic assembly is fixedly connected to the seat frame.

[0008] In a preferred embodiment of the present invention, the footrest board telescopic assembly includes a connecting plate installed on the seat frame, the lower end of the connecting plate is hinged with a first connecting rod and a second connecting rod, the first connecting rod and the second connecting rod are respectively hinged with a third connecting rod and a fourth connecting rod, and the third connecting rod and the fourth connecting rod are connected to the footrest board.

[0009] In a preferred embodiment of the present invention, the right end of the auxiliary propulsion motor is connected to the bracket of the seat frame, and the left end is connected to the motor mounting seat of the footrest board connecting rod, and pushes the footrest board connecting rod to drive the footrest board telescopic assembly to open or retract.

[0010] In a preferred embodiment of the present invention, the front sliding bracket and the rear sliding bracket are provided with sliding grooves corresponding to the pulleys, the front sliding bracket is arranged obliquely, and the rear sliding bracket is arranged vertically.

[0011] In a preferred embodiment of the present invention, an auxiliary support plate is connected between the front sliding bracket and the rear sliding bracket, the auxiliary support plate is located on the inner side of the side plate, and the auxiliary support plate is provided with a balancing guide wheel that fits in the direction of the side plate, and both ends of the fixed connecting rod are connected to the auxiliary support plate.

[0012] In a preferred embodiment of the present invention, connecting blocks are provided on the left and right sides of the seat frame, and the side panels, the connecting blocks and the seat frame are fastened together by connecting pieces.

[0013] In a preferred embodiment of the present invention, the rear ends of the two side panels are connected via a support rod.

[0014] The beneficial effect of the present invention is that the slide rail type electric chair frame mechanism of the present invention can realize the adjustment of the chair frame to various different postures, thereby improving the comfort of the sofa. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative work, among which:

[0016] Figure 1 It is a structural schematic diagram of a preferred embodiment of the slide rail type electric chair frame mechanism of the present invention;

[0017] Figure 2 yes Figure 1 Schematic diagram of the local structure;

[0018] Figure 3 yes Figure 2 Schematic diagram of the rotation state of the lifting link mechanism in FIG.

[0019] Figure 4 yes Figure 2 Schematic diagram of the rotation state of the seat frame in FIG.

[0020] Figure 5 yes Figure 2 Schematic diagram of the opening state of the footrest connecting rod mechanism;

[0021] Figure 6 yes Figure 5 Schematic diagram of the local structure;

[0022] Figure 7 yes Figure 1 Schematic diagram of the local structure;

[0023] Figure 8 yes Figure 1 Schematic diagram of the local structure;

[0024] The markings of the components in the accompanying drawings are as follows: 1. fixed connecting rod, 11. main push motor, 2. seat frame, 21. mounting plate, 22. connecting block, 23. bracket, 3. lifting connecting rod mechanism, 31. transverse connecting rod, 32. connecting rod, 33. hook, 4. rest board connecting rod mechanism, 40. auxiliary push motor, 41. rest board connecting rod, 42. rest board telescopic assembly, 43. connecting plate, 44. first connecting rod, 45. second connecting rod, 46. third connecting rod, 47. fourth connecting rod, 48. rest board, 49. motor mounting seat, 5. side panel, 51. support rod, 6. front connecting rod, 61. pulley, 7. rear connecting rod, 8. front sliding bracket, 81. slide groove, 82. auxiliary support plate, 83. guide wheel, 9. rear sliding bracket. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present invention are described clearly and completely below. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0026] See also Figure 1 and Figure 2A slide rail type electric chair frame mechanism comprises a fixed link 1 and a seat frame 2, a main push motor 11 is installed on the fixed link 1, a lifting link mechanism 3 is hinged at one end of the seat frame 2, the lifting link mechanism 3 is connected to the main push motor 11, the main push motor 11 extends to drive the lifting link mechanism to rotate 3, and pushes the seat frame 2 to rotate and lift, a footrest board link mechanism 4 is installed at the other end of the seat frame 2, an auxiliary push motor 40 is connected to the footrest board link mechanism 4, and the other end of the auxiliary push motor 40 is connected to the seat frame 2. The left and right sides of the seat frame 2 are respectively connected to the side panels 5, and the lower parts of the front and rear ends of the side panels 5 are respectively connected to the front connecting rod 6 and the rear connecting rod 7, and the front connecting rod 6 and the rear connecting rod 7 are also provided with pulleys 61, and the pulleys 61 of the front connecting rod 6 and the rear connecting rod 7 are respectively slidably connected to the front sliding bracket 8 and the rear sliding bracket 9.

[0027] See also Figure 3 and Figure 4 In addition, the lifting link mechanism 3 includes a transverse link 31 hinged on the left and right sides of the seat frame 2, the middle part of the transverse link 31 is connected to the main push motor 11, the left and right sides of the transverse link 31 are connected with a link member 32, the lower end of the connecting rod 32 is provided with a hook 33, the transverse link 31 rotates so that the hook 33 contacts the seat frame 2 to limit the rotation angle of the transverse link 31. The left and right sides of the seat frame 32 are provided with a mounting plate 21, and the left and right ends of the transverse link 31 are hinged on the mounting plate 21. When the main pushing motor 11 is started, the main pushing motor 11 begins to push the lifting link mechanism 3 to rotate, and the maximum rotation angle of the lifting link mechanism 3 is 0-33°. When the transverse link 31 rotates to the maximum angle, the hook 33 contacts the seat frame 2 to limit the rotation of the transverse link 31. At this time, the motor continues to push the lifting link mechanism 3, and pushes the seat frame 2 to rotate and lift through the hook 33. The rotation and lifting angle of the seat frame 2 is 0-27°. When the seat frame 2 is lifted, the side panel 5 is also lifted synchronously. The side panel 5 slides in the front sliding bracket 8 and the rear sliding bracket 9 through the pulleys 61 of the front connecting rod 6 and the rear connecting rod 7, and moves synchronously with the seat frame 2. The lifting link mechanism 3 is used as a backrest component to lift the backrest position, which is more comfortable for users to use.

[0028] See also Figure 5 and Figure 6In addition, the footrest board link mechanism 4 includes a footrest board link 41 connected to the auxiliary push motor 40, and the left and right ends of the footrest board link 41 are connected to the footrest board telescopic assembly 42, and the upper end of the footrest board telescopic assembly 42 is fixedly connected to the seat frame 2. The footrest board telescopic assembly 42 includes a connecting piece 43 installed on the seat frame, and the lower end of the connecting piece 43 is hinged with a first connecting rod 44 and a second connecting rod 45, and the first connecting rod 44 and the second connecting rod 45 are respectively hinged with a third connecting rod 46 and a fourth connecting rod 47, and the third connecting rod 46 and the fourth connecting rod 47 are connected to the footrest board 48. The right end of the auxiliary push motor 40 is connected to the bracket 23 of the seat frame 2, and the left end is connected to the motor mounting seat 49 of the footrest board link 41, and pushes the footrest board link 4 to drive the footrest board link mechanism 4 to open or retract. The auxiliary push motor 40 is started, and the auxiliary push motor 40 pushes the footrest board connecting rod 41, which extends forward through the first connecting rod 44, the second connecting rod 45, the third connecting rod 46 and the fourth connecting rod 47, and drives the footrest board 48 to rotate 0-90 degrees to open the footrest board 48.

[0029] See also Figure 7 and Figure 8 In addition, the front sliding bracket 8 and the rear sliding bracket 9 are provided with a slide groove 81 corresponding to the pulley, the front sliding bracket 8 is inclined, and the rear sliding bracket 9 is vertically arranged. An auxiliary support plate 82 is connected between the front sliding bracket 8 and the rear sliding bracket 9, the auxiliary support plate 82 is located on the inner side of the side plate 5, and the auxiliary support plate 82 is provided with a balancing guide wheel 83 that is in contact with the side plate 5. The balancing guide wheel 83 can ensure that the side plate 5 slides smoothly in the process of following the rotation of the seat frame 2. Both ends of the fixed link 1 are connected to the auxiliary support plate 82.

[0030] In addition, connecting blocks 22 are provided on the left and right sides of the seat frame 2, and the side panels 5, the connecting blocks 22 and the seat frame 2 are fastened and connected by connecting pieces. The rear ends of the two side panels 5 are connected by a supporting rod 51.

[0031] Different from the prior art, the slide rail type electric chair frame mechanism of the present invention can adjust the chair frame to various postures, thereby improving the comfort of the sofa.

[0032] The above descriptions are merely embodiments of the present invention and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention specification, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A slide rail type electric chair frame mechanism, characterized in that: The present invention comprises a fixing connecting rod and a seat frame, wherein a main pushing motor is installed on the fixing connecting rod, and a lifting connecting rod mechanism is hinged at one end of the seat frame, and the lifting connecting rod mechanism is connected with the main pushing motor, and the main pushing motor is extended to drive the lifting connecting rod mechanism to rotate and push the seat frame to rotate and lift. A footrest board connecting rod mechanism is installed on the other end of the seat frame, and an auxiliary pushing motor is connected to the footrest board connecting rod mechanism, and the other end of the auxiliary pushing motor is connected to the seat frame. The left and right sides of the seat frame are respectively connected to the side plates, and the lower parts of the front and rear ends of the side plates are respectively connected to the front connecting rod and the rear connecting rod, and the front connecting rod and the rear connecting rod are also provided with pulleys, and the pulleys of the front connecting rod and the rear connecting rod are respectively slidably connected to the front sliding bracket and the rear sliding bracket; The lifting link mechanism includes a transverse link hinged on the left and right sides of the seat frame, the middle part of the transverse link is connected to the main pushing motor, the left and right sides of the transverse link are connected to the connecting rod parts, the lower end of the connecting rod is provided with a hook, and the transverse link rotates to make the hook contact with the seat frame to limit the rotation angle of the transverse link. The rest plate link mechanism includes a rest plate link connected to the auxiliary pushing motor, the left and right ends of the rest plate link are connected to the rest plate telescopic assembly, the upper end of the rest plate telescopic assembly is fixedly connected to the seat frame, the front sliding bracket and the rear sliding bracket are provided with sliding grooves corresponding to the pulley, the front sliding bracket is inclined, and the rear sliding bracket is vertically arranged, an auxiliary support plate is connected between the front sliding bracket and the rear sliding bracket, the auxiliary support plate is located on the inner side of the side plate, and the auxiliary support plate is provided with a balancing guide wheel that fits with the side plate in the right direction, and the two ends of the fixed link are connected to the auxiliary support plate; When the main push motor starts, the main push motor begins to push the lifting link mechanism to rotate, and the maximum rotation angle of the lifting link mechanism is 0-33°. When the transverse link rotates to the maximum angle, the hook contacts the seat frame to limit the rotation of the transverse link. At this time, the motor continues to push the lifting link mechanism, and pushes the seat frame to rotate and lift through the hook. The rotation and lifting angle of the seat frame is 0-27°. When the seat frame is lifted, the side panels are also lifted synchronously, and the side panels slide in the front sliding bracket and the rear sliding bracket through the pulleys of the front connecting rod and the rear connecting rod, and move synchronously with the seat frame. The lifting link mechanism serves as a backrest component, which is used to lift the position of the backrest.

2. The slide rail type electric chair frame mechanism according to claim 1, characterized in that: The left and right sides of the seat frame are provided with mounting plates, and the left and right ends of the transverse connecting rod are hinged on the mounting plates.

3. The slide rail type electric chair frame mechanism according to claim 1, characterized in that: The footrest board telescopic assembly includes a connecting piece installed on the seat frame, a first connecting rod and a second connecting rod are hinged at the lower end of the connecting piece, a third connecting rod and a fourth connecting rod are hinged on the first connecting rod and the second connecting rod respectively, and the third connecting rod and the fourth connecting rod are connected to the footrest board.

4. The slide rail type electric chair frame mechanism according to claim 3, characterized in that: The right end of the auxiliary propulsion motor is connected to the bracket of the seat frame, and the left end is connected to the motor mounting seat of the footrest board connecting rod, and pushes the footrest board connecting rod to drive the footrest board telescopic assembly to open or retract.

5. The slide rail type electric chair frame mechanism according to claim 1, characterized in that: The left and right sides of the seat frame are provided with connecting blocks, and the side panels, the connecting blocks and the seat frame are fastened and connected by connecting pieces.

6. The slide rail type electric chair frame mechanism according to claim 5, characterized in that: The rear ends of the two side panels are connected via a support rod.

Images