Seat frame direct-push functional metal frame having improved structure

Abstract

A seat frame direct-push functional metal frame having an improved structure, comprising a metal frame body (33). The metal frame body (33) comprises a seat frame (1), a rear connecting member (2), a front connecting member (3), two mechanical reclining mechanisms (4), and an electric slide rail (6). The seat frame (1) is mounted on the two mechanical reclining mechanisms (4). The rear connecting member (2) is fixed to the rear end of the bottom of the seat frame (1), and the rear connecting member (2) is fixedly connected to the electric slide rail (6). The front connecting member (3) is fixed to the front end of the bottom of the seat frame (1), the front connecting member (3) is connected to an output end of the electric slide rail (6), and the front connecting member (3) is connected between the two mechanical reclining mechanisms (4). The present invention reduces the number of mounted components, thereby shortening assembly time and saving costs.

Description

A seat frame with improved structure for direct push function Technical Field

[0001] This utility model relates to the field of sofa technology, specifically to a seat frame with an improved structure and a direct-push function. Background Technology

[0002] As people's living standards improve, functional sofas and chairs are becoming increasingly common in daily life. With the widespread use of functional sofas, the demand for comfort in sofas and chairs is also increasing. Functional chairs are generally equipped with mechanical extension devices, allowing the chair to be adjusted between sitting, relaxing, and reclining positions.

[0003] However, existing electromechanical extension devices involve numerous and cumbersome pipe installations, resulting in lengthy assembly times and high costs. Therefore, a direct-push functional iron frame is proposed. Utility Model Content

[0004] The purpose of this utility model is to provide a seat frame with an improved structure that allows for direct push functionality, in order to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a seat frame with an improved direct-push function, comprising a main body, the main body including a seat frame, a rear connector, a front connector, two mechanical extension mechanisms, and an electric slide rail. The seat frame is mounted on the two mechanical extension mechanisms. The rear connector is fixed to the rear end of the bottom of the seat frame and is fixedly connected to the electric slide rail. The front connector is fixed to the front end of the bottom of the seat frame and is connected to the output end of the electric slide rail. The front connector is connected between the two mechanical extension mechanisms. The seat frame with direct-push function is applicable to ordinary mechanical extension mechanisms and zero-gravity posture seat extension devices. It belongs to a general mechanical extension mechanism. When the installation distance of the electric slide rail is at its minimum, the mechanical extension mechanism is in a sitting posture. When the electric slide rail starts to move, the mechanical extension mechanism is in a relaxed posture. When the electric slide rail continues to move, the mechanical extension mechanism is in a reclining posture.

[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 is a perspective view of the main body of the iron frame of this utility model in a lying position;

[0016] Figure 2 is a perspective view of the main body of the iron frame of this utility model in a sitting posture;

[0017] Figure 3 is a schematic diagram of the mechanical extension mechanism of this utility model in a lying position from the outside.

[0018] Figure 4 is a schematic diagram of the inner side of the mechanical extension mechanism of this utility model in a lying position;

[0019] Figure 5 is a schematic diagram of the outer side of the main body of the iron frame of this utility model in a sitting posture;

[0020] Figure 6 is a schematic diagram of the inner side of the main body of the iron frame of this utility model in a sitting position.

[0021] In the diagram: 1. Seat frame; 2. Rear connector; 3. Front connector; 4. Mechanical extension mechanism; 5. Support rod; 6. Electric slide rail; 7. Tension spring; 8. Foot rest; 9. Foot rod six; 10. Foot rod five; 11. Foot rod one; 12. Small foot rest; 13. Foot rod three; 14. Foot rod two; 15. Foot rod four; 16. Linkage five; 17. Front support; 18. Base; 19. Linkage two; 20. Slide rail component; 21. Metal slide rail bushing; 22. Rear support; 23. Linkage one; 24. Backrest component; 25. Seat frame mounting protection component; 26. Linkage three; 27. Rear linkage component; 28. Rotating connector; 29. ​​Linkage four; 30. Linkage component; 31. Front linkage; 32. Side plate; 33. Iron frame main body. Detailed Implementation

[0022] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.

[0023] Please refer to Figures 1-6. This utility model provides a seat frame with an improved structure and a direct-push function, including a main body 33. The main body 33 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 and 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 and 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. The seat frame 1 and the direct-push function are suitable for ordinary mechanical extension mechanisms and zero-gravity posture seat extension devices. It belongs to the general mechanical extension mechanism 4. When the installation distance of the electric slide rail 6 is at its minimum, the mechanical extension mechanism 4 is in a sitting posture. When the electric slide rail 6 starts to move, the mechanical extension mechanism 4 is in a leisure posture. When the electric slide rail 6 continues to move, the mechanical extension mechanism 4 is in a reclining posture.

[0024] Both 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 base 18 has a front support 17 and a rear support 22 connected to its two ends respectively. 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, and the top of the front linkage 31... The other 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 3 26. The other end of the connecting rod 3 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 5 16. The bottom of the linkage 30 is connected to one end of the connecting rod 1 23. The connecting rod 5 16 is connected to the connecting rod 2 19. The connecting rod 2 19 is connected to the slide rail 20. The slide rail 20 is connected to the linkage 30. A metal slide rail bushing 21 is connected to the side plate 32. The metal slide rail bushing 21 slides against the slide rail 20. The side plate 32 is connected to a movable connection. At the bottom of the other end, a foot rod 4 15 is connected to the side plate 32. The other end of a connecting rod 5 16 is connected to the foot rod 4 15. The foot rod 4 15 is connected to the foot rod 2 14. At the top of the other end of the side plate 32, a foot rod 3 13 is connected to the foot rod 3 13. The foot rod 3 13 is connected to the foot rod 1 11. A footrest 8 is connected to one end between the foot rod 1 11 and the foot rod 2 14. A small footrest 12 is connected to the middle between the foot rod 1 11 and the foot rod 2 14. The foot rod 11 is connected to the foot rod 5 10. The foot rod 2 14 is connected to the foot rod 6 9. The foot rod 5 10 and the foot rod 6 9 are connected. A tension spring 7 is connected between the connecting rod 5 16 and the side plate 32. Rotary connecting parts 28 are fixedly connected to the middle of the two base feet 18. The two rotating connecting parts 28 are respectively connected to the two ends of the front connecting part 3. The other end of the connecting rod 1 23 is connected to the backrest 24. The top of one end of the side plate 32 is connected to the top of one side of the backrest 24. A support rod 5 is fixedly connected between the two connecting rods 1 23. Seat frame mounting protective parts 25 are connected to the two side plates 32. The two seat frame mounting protective parts 25 are connected to the seat frame 1. The two side plates 32 are connected to the seat frame 1.

[0025] In use, the seat frame 1 forms the backrest, and the six footrests, footrests 8, and small footrests 12 form the legs. When the installation distance of the electric slide rail 6 is at its minimum, the mechanical extension mechanism 4 is in a seated position. When the electric slide rail 6 starts to move, it pushes the seat frame 1 to move, and the seat frame 1 drives the side plate 32 to move. Since the side plate 32 is rotatably connected to the legs, the side plate 32 is connected to the rear linkage 27, the rear linkage 27 is connected to the fifth link 16, the fifth link 16 is connected to the fourth footrest 15, and the footrests... 15 is connected to 14, 14 is connected to 13, 13 is connected to 11, 11 and 14 are both connected to 10, 10 is connected to 9, and 9 is connected to the footrest 8, thus fully opening the legs. At this time, the mechanical extension mechanism 4 is in a relaxed posture. The electric slide rail 6 continues to move, opening the back of the mechanical extension mechanism 4. When the back is fully open, the mechanical extension mechanism 4 is in a lying posture.

[0026] In this embodiment of the application, when in use: the seat frame 1 pushes the functional iron frame directly. When the installation distance of the electric slide rail 6 is at its minimum, the mechanical extension mechanism 4 is in a sitting position. When the electric slide rail 6 starts to move, it pushes the seat frame 1 to move. The seat frame 1 drives the side plate 32 to move. Since the side plate 32 is rotatably connected to the legs, the legs are fully opened. At this time, the mechanical extension mechanism 4 is in a leisure position. The electric slide rail 6 continues to move, opening the back of the mechanical extension mechanism 4. When the back is fully opened, the mechanical extension mechanism 4 is in a reclining position. When the electric slide rail 6 retracts, the tension spring 7 assists in retracting the legs.

[0027] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A stand with improved straight pushing function of the seat frame, comprising a stand main body (33), characterized in that: The iron stand body (33) comprises a seat frame (1), a rear connecting piece (2), a front connecting piece (3), two mechanical extension mechanisms (4) and an electric sliding rail (6), the seat frame (1) is installed on the two mechanical extension mechanisms (4), the rear connecting piece (2) is fixed at the rear end of the bottom of the seat frame (1), the rear connecting piece (2) is fixedly connected with the electric sliding rail (6), the front connecting piece (3) is fixed at the front end of the bottom of the seat frame (1), the front connecting piece (3) is connected with the output end of the electric sliding rail (6), and the front connecting piece (3) is connected between the two mechanical extension mechanisms (4).

2. The ironing stand with improved straight pushing function according to claim 1, characterized in that: The two mechanical extension mechanisms (4) each comprise a bottom foot (18), a side plate (32), a linkage (30), a front linkage (31), a rear linkage (27), a first connecting rod (23), a second connecting rod (19), a third connecting rod (26), a fourth connecting rod (29), a fifth connecting rod (16), a sliding groove piece (20) and a metal sliding groove bushing (21), the two ends of the bottom foot (18) are respectively connected with a front support (17) and a rear support (22), the 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 fourth connecting rod (29), the other end of the fourth connecting rod (29) is connected with one side of the front linkage (31), the top and the other side of the front linkage (31) are respectively connected with the side plate (32) and the front support (17), the middle part of the front support (17) is connected with one end of the third connecting rod (26), the other end of the third connecting rod (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 fifth connecting rod (16), the bottom of the linkage (30) is connected with one end of the first connecting rod (23), the fifth connecting rod (16) is connected with the second connecting rod (19), the second connecting rod (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), and the metal sliding groove bushing (21) is slidingly connected with the sliding groove piece (20).

3. The improved straight push function iron stand according to claim 2, characterized in that: The bottom of the other end of the side plate (32) is connected with a fourth foot rod (15), the other end of the fifth connecting rod (16) is connected with the fourth foot rod (15), the fourth foot rod (15) is connected with a second foot rod (14), the top of the other end of the side plate (32) is connected with a third foot rod (13), the third foot rod (13) is connected with a first foot rod (11), one end between the first foot rod (11) and the second foot rod (14) is connected with a foot rest plate (8), the middle part between the first foot rod (11) and the second foot rod (14) is connected with a small foot rest plate (12), the first foot rod (11) is connected with a fifth foot rod (10), the second foot rod (14) is connected with a sixth foot rod (9), and the fifth foot rod (10) is connected with the sixth foot rod (9).

4. The improved straight push function iron stand according to claim 2, characterized in that: The fifth connecting rod (16) and the side plate (32) are connected with a tension spring (7).

5. The improved straight push function iron stand according to claim 2, wherein: The middle parts of the two bottom feet (18) are fixedly connected with rotary connecting pieces (28), and the two rotary connecting pieces (28) are respectively connected with the two ends of the front connecting piece (3).

6. The improved straight push function iron stand 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. The improved straight push function iron stand according to claim 2, wherein: A support rod (5) is fixedly connected between the two connecting rods (23).

8. The improved straight push function iron stand according to claim 2, wherein: 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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