Seat frame straight pushing function iron stand with improved structure

Abstract

The utility model discloses a seat frame straight pushing function iron stand with an improved structure, which comprises an iron stand main body, the iron stand main body comprises a seat frame, a rear connecting piece, a front connecting piece, two mechanical stretching mechanisms and an electric sliding rail, the seat frame is arranged on the two mechanical stretching mechanisms, the rear connecting piece is fixed at the rear end of the bottom of the seat frame, and the front connecting piece is fixed at the rear end of the bottom of the seat frame. The rear connecting piece is fixedly connected with the electric sliding rail, the front connecting piece is fixed at the front end of the bottom of the seat frame, the front connecting piece is connected with the output end of the electric sliding rail, and the front connecting piece is connected between the two mechanical stretching mechanisms. And the cost is saved.

Description

TECHNICAL FIELD

[0001] The utility model relates to sofa technical field, concretely is a seat frame straight push function iron stand with improved structure. BACKGROUND

[0002] With the improvement of people's living standards, functional sofas and chairs are more and more common in life. With the wide application of functional sofas, the comfort requirement of sofa chairs is also higher and higher. Functional chairs are generally provided with mechanical stretching devices, so that the chair can be adjusted between sitting, leisure and lying positions.

[0003] However, the existing electric mechanical stretching device has more pipe fittings, which is complicated, has a long assembly time and high cost. Therefore, a seat frame straight push function iron stand is provided. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at providing a seat frame straight push function iron stand with improved structure to solve the problems in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme: a seat frame straight push function iron stand with improved structure, which comprises an iron stand body, the iron stand body comprises a seat frame, a rear connecting piece, a front connecting piece, two mechanical stretching mechanisms and an electric sliding rail, the seat frame is installed on the two mechanical stretching mechanisms, the rear connecting piece is fixed at the rear end of the bottom of the seat frame, the rear connecting piece is fixedly connected with the electric sliding rail, the front connecting piece is fixed at the front end of the bottom of the seat frame, the front connecting piece is connected with the output end of the electric sliding rail, and the front connecting piece is connected between the two mechanical stretching mechanisms; the seat frame straight push function iron stand is suitable for ordinary mechanical stretching mechanisms and zero-gravity posture chair stretching devices and belongs to a general mechanical stretching mechanism; when the installation distance of the electric sliding rail is the smallest, the mechanical stretching mechanism is in a sitting position; when the electric sliding rail starts to move, the mechanical stretching mechanism is in a leisure position; and when the electric sliding rail continues to move, the mechanical stretching mechanism is in a lying position.

[0006] Preferably, both of the mechanical extension mechanisms include a base, a side plate, a linkage component, a front linkage component, a rear linkage component, a connecting rod 1, a connecting rod 2, a connecting rod 3, a connecting rod 4, a connecting rod 5, a sliding groove component, and a metal sliding groove bushing. The two ends of the base are respectively connected to a front support and a rear support. The top of the rear support is connected to one side of the linkage component, the other side of the linkage component is connected to one end of the connecting rod 4, the other end of the connecting rod 4 is connected to one side of the front linkage component, the top and the other side of the front linkage component are respectively connected to the side plate and the front support, the middle of the front support is connected to one end of the connecting rod 3, the other end of the connecting rod 3 is connected to one end of the rear linkage component, the other end of the rear linkage component is connected to one end of the connecting rod 5, the bottom of the linkage component is connected to one end of the connecting rod 1, the connecting rod 5 is connected to the connecting rod 2, the connecting rod 2 is connected to the sliding groove component, the sliding groove component is connected to the linkage component, and a metal sliding groove bushing is connected to the side plate, with the metal sliding groove bushing slidably connected to the sliding groove component.

[0007] Preferably, a foot rod four is connected to the bottom of the other end of the side plate, the other end of the connecting rod five is connected to the foot rod four, the foot rod four is connected to the foot rod two, the top of the other end of the side plate is connected to the foot rod three, the foot rod three is connected to the foot rod one, a foot rest is connected to one end between the foot rod one and the foot rod two, a small foot rest is connected to the middle between the foot rod one and the foot rod two, the foot rod one is connected to the foot rod five, the foot rod two is connected to the foot rod six, and the foot rod five is connected to the foot rod six.

[0008] Preferably, a tension spring is connected between the connecting rod five and the side plate, and the tension spring assists in retracting the leg.

[0009] Preferably, a rotating connector is fixedly connected to the middle of each of the two base feet, and the two rotating connectors are respectively connected to the two ends of the front connector.

[0010] Preferably, the other end of the connecting rod is connected to a backrest, and the top of one end of the side plate is connected to the top of one side of the backrest.

[0011] Preferably, a support rod is fixedly connected between the two connecting rods.

[0012] Preferably, both side plates are connected to a seat frame mounting protective component, both seat frame mounting protective components are connected to the seat frame, and both side plates are connected to the seat frame.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] The direct-push function iron frame of this seat reduces the number of installation parts, shortens assembly time, and saves costs. Attached Figure Description

[0015] Figure 1 This is a three-dimensional view of the main body of the iron frame of this utility model in a lying position;

[0016] Figure 2 It is the perspective view of the iron stand main body in the sitting posture of the utility model;

[0017] Figure 3 It is the outside schematic view of the mechanical stretching mechanism in the lying posture of the utility model;

[0018] Figure 4 It is the inside schematic view of the mechanical stretching mechanism in the lying posture of the utility model;

[0019] Figure 5 It is the outside schematic view of the iron stand main body in the sitting posture of the utility model;

[0020] Figure 6 It is the inside schematic view of the iron stand main body in the sitting posture of the utility model.

[0021] In the drawing: 1, seat frame; 2, rear connecting piece; 3, front connecting piece; 4, mechanical stretching mechanism; 5, support rod; 6, electric sliding rail; 7, tension spring; 8, footrest plate; 9, foot rod six; 10, foot rod five; 11, foot rod one; 12, small footrest plate; 13, foot rod three; 14, foot rod two; 15, foot rod four; 16, connecting rod five; 17, front support; 18, bottom foot; 19, connecting rod two; 20, sliding groove piece; 21, metal sliding groove bushing; 22, rear support; 23, connecting rod one; 24, backrest piece; 25, seat frame installation protection piece; 26, connecting rod three; 27, rear linkage piece; 28, rotary connecting piece; 29, connecting rod four; 30, linkage piece; 31, front linkage; 32, side plate; 33, iron stand main body. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described in combination with the drawings in the embodiments of the utility model.

[0023] Please refer to Figures 1-6 The utility model provides a seat frame straight push function iron stand with improved structure, including iron stand main body 33, iron stand main body 33 includes seat frame 1, rear connecting piece 2, front connecting piece 3, two mechanical stretching mechanisms 4 and electric sliding rail 6, seat frame 1 is installed on two mechanical stretching mechanisms 4, rear connecting piece 2 is fixed in the rear end of seat frame 1 bottom, rear connecting piece 2 is fixedly connected with electric sliding rail 6, front connecting piece 3 is fixed in the front end of seat frame 1 bottom, and the output end of front connecting piece 3 is connected with electric sliding rail 6, and front connecting piece 3 is connected between two mechanical stretching mechanisms 4;Seat frame 1 straight push function iron stand is suitable for ordinary mechanical stretching mechanism and zero gravity posture seat stretching device, belongs to general mechanical stretching mechanism 4, when the installation distance of electric sliding rail 6 is the minimum, mechanical stretching mechanism 4 is in the sitting posture, when electric sliding rail 6 starts to move, mechanical stretching mechanism 4 is in the leisure posture, and electric sliding rail 6 continues to move, and mechanical stretching mechanism 4 is in the lying posture.

[0024] Two mechanical stretching mechanisms 4 each include a foot 18, a side plate 32, a linkage 30, a front linkage 31, a rear linkage 27, a link one 23, a link two 19, a link three 26, a link four 29, a link five 16, a sliding groove piece 20, and a metal sliding groove bushing 21. Two ends of the foot 18 are respectively connected with a front support 17 and a rear support 22. A top end of the rear support 22 is connected with one side of the linkage 30. The other side of the linkage 30 is connected with one end of the link four 29. The other end of the link four 29 is connected with one side of the front linkage 31. A top and the other side of the front linkage 31 are respectively connected with the side plate 32 and the front support 17. A middle part of the front support 17 is connected with one end of the link three 26. The other end of the link three 26 is connected with one end of the rear linkage 27. The other end of the rear linkage 27 is connected with one end of the link five 16. A bottom of the linkage 30 is connected with one end of the link one 23. The link five 16 is connected with the link two 19. The link two 19 is connected with the sliding groove piece 20. The sliding groove piece 20 is connected with the linkage 30. The side plate 32 is connected with the metal sliding groove bushing 21. The metal sliding groove bushing 21 is slidingly connected with the sliding groove piece 20. A bottom of the other end of the side plate 32 is connected with a foot bar four 15. The other end of the link five 16 is connected with the foot bar four 15. The foot bar four 15 is connected with a foot bar two 14. A top of the other end of the side plate 32 is connected with a foot bar three 13. The foot bar three 13 is connected with a foot bar one 11. One end between the foot bar one 11 and the foot bar two 14 is connected with a foot rest plate 8. A middle part between the foot bar one 11 and the foot bar two 14 is connected with a small foot rest plate 12. The foot bar one 11 is connected with a foot bar five 10. The foot bar two 14 is connected with a foot bar six 9. The foot bar five 10 is connected with the foot bar six 9. A tension spring 7 is connected between the link five 16 and the side plate 32. Middle parts of the two feet 18 are fixedly connected with rotating connecting pieces 28. The two rotating connecting pieces 28 are respectively connected with two ends of the front connecting piece 3. The other end of the link one 23 is connected with a back rest piece 24. A top of one end of the side plate 32 is connected with a top of one side of the back rest piece 24. Two link ones 23 are fixedly connected with a support bar 5. Two side plates 32 are each connected with a seat frame mounting protection piece 25. The two seat frame mounting protection pieces 25 are each connected with the seat frame 1. The two side plates 32 are each connected with the seat frame 1.

[0025] In use, the seat frame 1 partly constitutes a back, six foot rods and the foot rest 8 and the small foot rest 12 constitute legs; when the installation distance of the electric slide rail 6 is the shortest, the mechanical stretching mechanism 4 is in a sitting position, when the electric slide rail 6 starts to move, the seat frame 1 is pushed to move, the seat frame 1 drives the side plate 32 to move, since the side plate 32 is rotationally connected with the legs, the side plate 32 is connected with the rear linkage 27, the rear linkage 27 is connected with the connecting rod five 16, the connecting rod five 16 is connected with the foot rod four 15, the foot rod four 15 is connected with the foot rod two 14, the foot rod two 14 is connected with the foot rod three 13, the foot rod three 13 is connected with the foot rod one 11, the foot rod one 11 and the foot rod two 14 are both connected with the foot rod five 10, the foot rod five 10 is connected with the foot rod six 9, the foot rod six 9 is connected with the foot rest 8, so that the legs are completely opened, at this time, the mechanical stretching mechanism 4 is in a leisure position; the electric slide rail 6 continues to move, the back of the mechanical stretching mechanism 4 is opened, when the back is completely opened, at this time, the mechanical stretching mechanism 4 is in a lying position.

[0026] In use, the seat frame 1 straightly pushes the iron frame, when the installation distance of the electric slide rail 6 is the shortest, the mechanical stretching mechanism 4 is in a sitting position, when the electric slide rail 6 starts to move, the seat frame 1 is pushed to move, the seat frame 1 drives the side plate 32 to move, since the side plate 32 is rotationally connected with the legs, so that the legs are completely opened, at this time, the mechanical stretching mechanism 4 is in a leisure position; the electric slide rail 6 continues to move, the back of the mechanical stretching mechanism 4 is opened, when the back is completely opened, at this time, the mechanical stretching mechanism 4 is in a lying position; when the electric slide rail 6 is retracted, the tension spring 7 assists to retract the legs.

[0027] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A seat frame with an improved structure for direct push function, comprising a main body (33) of the frame, characterized in that: The main body (33) of the iron frame includes a seat frame (1), a rear connector (2), a front connector (3), two mechanical extension mechanisms (4) and an electric slide rail (6). The seat frame (1) is mounted on the two mechanical extension mechanisms (4). The rear connector (2) is fixed to the rear end of the bottom of the seat frame (1). The rear connector (2) is fixedly connected to the electric slide rail (6). The front connector (3) is fixed to the front end of the bottom of the seat frame (1). The front connector (3) is connected to the output end of the electric slide rail (6). The front connector (3) is connected between the two mechanical extension mechanisms (4).

2. The seat frame with improved structure for direct push function according to claim 1, characterized in that: Both of the aforementioned mechanical extension mechanisms (4) include a base (18), a side plate (32), a linkage (30), a front linkage (31), a rear linkage (27), a first linkage (23), a second linkage (19), a third linkage (26), a fourth linkage (29), a fifth linkage (16), a slide rail (20), and a metal slide rail bushing (21). The two ends of the base (18) are respectively connected to a front support (17) and a rear support (22). The top of the rear support (22) is connected to one side of the linkage (30), and the other side of the linkage (30) is connected to one end of the fourth linkage (29). The other end of the fourth linkage (29) is connected to one side of the front linkage (31). The top of the front linkage (31) and the other side of the linkage (31) are connected to the other side of the linkage (31). One side is connected to the side plate (32) and the front support (17) respectively. The middle part of the front support (17) is connected to one end of the connecting rod three (26). The other end of the connecting rod three (26) is connected to one end of the rear linkage (27). The other end of the rear linkage (27) is connected to one end of the connecting rod five (16). The bottom of the linkage (30) is connected to one end of the connecting rod one (23). The connecting rod five (16) is connected to the connecting rod two (19). The connecting rod two (19) is connected to the sliding groove (20). The sliding groove (20) is connected to the linkage (30). A metal sliding groove bushing (21) is connected to the side plate (32). The metal sliding groove bushing (21) is slidably connected to the sliding groove (20).

3. A seat frame with an improved structure for direct pushing function as described in claim 2, characterized in that: The bottom of the other end of the side plate (32) is connected to the fourth foot rod (15), the other end of the fifth connecting rod (16) is connected to the fourth foot rod (15), the fourth foot rod (15) is connected to the second foot rod (14), the top of the other end of the side plate (32) is connected to the third foot rod (13), the third foot rod (13) is connected to the first foot rod (11), one end between the first foot rod (11) and the second foot rod (14) is connected to the foot rest (8), the middle part between the first foot rod (11) and the second foot rod (14) is connected to the small foot rest (12), the first foot rod (11) is connected to the fifth foot rod (10), the second foot rod (14) is connected to the sixth foot rod (9), and the fifth foot rod (10) is connected to the sixth foot rod (9).

4. A seat frame with an improved structure for direct pushing function according to claim 2, characterized in that: A tension spring (7) is connected between the fifth link (16) and the side plate (32).

5. A seat frame with an improved structure for direct pushing function as described in claim 2, characterized in that: Rotary connectors (28) are fixedly connected to the middle of the two bases (18), and the two rotary connectors (28) are respectively connected to the two ends of the front connector (3).

6. A seat frame with an improved structure for direct pushing function according to claim 2, characterized in that: The other end of the connecting rod (23) is connected to a backrest (24), and the top of one end of the side plate (32) is connected to the top of one side of the backrest (24).

7. A seat frame with an improved structure for direct pushing function according to claim 2, characterized in that: A support rod (5) is fixedly connected between the two connecting rods (23).

8. A seat frame with an improved structure for direct pushing function according to claim 2, characterized in that: Both side plates (32) are connected to a seat frame mounting protective component (25), both seat frame mounting protective components (25) are connected to the seat frame (1), and both side plates (32) are connected to the seat frame (1).

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