Seat bracket and combined bracket

Abstract

The present invention discloses a seat support and a combined support, including a base, an armrest assembly and two extension assemblies arranged relatively on the base, the leg mechanism of each extension assembly includes a connecting rod assembly and a main footrest, the connecting rod assembly is used to extend or retract the main footrest relative to the seat mounting plate, and the main footrest is used to connect with the main footrest; the armrest assembly includes a mounting frame, an armrest frame and an armrest foot, the armrest frame is connected to the base through the mounting frame, the armrest frame is supported on the ground through the armrest foot, and when the leg mechanism is retracted to the extreme position, the height of the lower edge of the main footrest from the ground is the same as the height of the armrest foot. The connecting rod assembly of the leg mechanism of the present invention is a six-link telescopic structure, so that the main footrest and the auxiliary footrest can be extended to a higher height, and the armrest and the seat have a modern appearance.

Description

Technical Field

[0001] The invention relates to the technical field of functional sofa manufacturing, and in particular to a seat bracket and a combined bracket. Background Art

[0002] Functional sofas are multifunctional sofas that can adjust the seat angle and headrest angle to meet the different needs of the body at different times. They are more user-friendly than sofas without functional positions. Some rocking sofas can even rock back and forth, which is very comfortable. At the same time, there are also sofas or seats with massage, zero gravity and other functions that are extremely beneficial to physical health.

[0003] At present, sofas or chairs whose seat frame brackets are directly supported on the ground generally have a high seat height, and are limited by the problem that the footrest easily rubs against the ground during the extension process, and the length and height of the leg mechanism extension are also limited, thereby reducing the comfort of using the seat. Summary of the invention

[0004] The invention aims to make the armrest of the chair grounded by the armrest support foot, the armrest support foot and the main footrest board have the same height from the ground, and the style is modern. At the same time, the leg extension height of the seat bracket is guaranteed under the condition of reducing the seat height, so as to improve the seat comfort.

[0005] In order to achieve the above object, the present invention provides a seat support, comprising a base, an armrest assembly and two extension assemblies arranged relatively on the base, each of the extension assemblies comprising a connected linkage mechanism, a seat mounting plate and a leg mechanism, the seat mounting plate being connected to the base through a linkage mechanism;

[0006] The leg mechanism includes a connecting rod assembly and a main footrest, wherein the connecting rod assembly is used to extend or retract the main footrest relative to the seat mounting plate, and the main footrest is used to connect with the main footrest;

[0007] The armrest assembly includes a mounting frame, an armrest frame and an armrest support foot. The armrest frame is connected to the base through the mounting frame, and the armrest frame is supported on the ground through the armrest support foot. When the leg mechanism is retracted to the extreme position, the height of the lower edge of the main footrest from the ground is the same as the height of the armrest support foot.

[0008] Furthermore, the main footrest is fixed on the main footrest member, the width of the main footrest is less than 12 cm, and when the leg mechanism is retracted to the extreme position, the height of the lower edge of the main footrest from the ground is 11-15 cm.

[0009] Furthermore, the height of the armrest support foot is 11-15 cm.

[0010] Further, the connecting rod assembly includes a first connecting rod, a second connecting rod, a third connecting rod, a fourth connecting rod, a fifth connecting rod and a sixth connecting rod, the first connecting rod is connected to the second connecting rod, and the third connecting rod, the fourth connecting rod, the fifth connecting rod and the sixth connecting rod are connected in sequence, wherein the first connecting rod and the third connecting rod are respectively connected to the seat mounting plate, the middle parts of the first connecting rod and the second connecting rod are cross-connected with the middle parts of the fourth connecting rod and the fifth connecting rod respectively, and the second connecting rod and the sixth connecting rod are connected to the main footrest.

[0011] Furthermore, a first connection point, a second connection point and a third connection point are provided on the main footrest, the main footrest is connected to the second connecting rod via the first connection point, and the main footrest is connected to the sixth connecting rod via the second connection point.

[0012] Further, the leg mechanism also includes an auxiliary footrest assembly, and the auxiliary footrest assembly includes a connecting rod and an auxiliary footrest member;

[0013] The auxiliary footrest is connected to the main footrest through a third connection point, one end of the connecting rod is connected to the sixth connecting rod, and the other end of the connecting rod is connected to the auxiliary footrest, and the auxiliary footrest is used to connect to the auxiliary footrest board.

[0014] Furthermore, when the leg mechanism is retracted to the extreme position, the height of the auxiliary footrest from the ground is greater than 7 cm;

[0015] When the leg mechanism is extended to the extreme position, the height of the auxiliary footrest from the ground is greater than 40 cm.

[0016] Furthermore, the extension assembly also includes a backrest mechanism and a seat frame assembly, and the leg mechanism is used to drive the backrest mechanism, the linkage mechanism and the seat mounting plate to adjust the seat support between a sitting position, an extended position and a lying position; the seat frame assembly is connected to the seat mounting plate, and when the leg mechanism is retracted to the extreme position, the height from the highest point of the seat frame assembly to the ground is less than 28 cm.

[0017] The present invention also provides a seat assembly bracket, comprising at least two seat brackets and at least one splicing assembly, wherein the splicing assembly is fixed on the base, and at least two seat brackets are connected via the splicing assembly.

[0018] Further, the splicing assembly includes a first splicing plate and a second splicing plate;

[0019] The first splicing plate is connected to the base of one of the seat brackets, and the second splicing plate is connected to the base of another of the seat brackets;

[0020] The first splicing plate is provided with at least one hook-shaped slot, and the second splicing plate is provided with at least one engaging hole, and the at least one slot is connected to the engaging hole via a fastening nail.

[0021] Compared with the prior art, the present invention has the following beneficial effects:

[0022] (1) The connecting rod assembly of the leg mechanism of the present invention is a six-link telescopic structure, so that the main footrest and the auxiliary footrest can be extended to a higher height. After being retracted, the distance from the ground is larger and there will be no rubbing against the ground. Therefore, the seat height of the seat bracket can be reduced.

[0023] (2) The armrest frame of the seat bracket of the present invention is set on the ground through the armrest support feet. When the armrest support feet are retracted to the extreme position, the height of the armrest support feet and the main footrest board from the ground is the same, and the appearance of the seat is modern.

[0024] (3) The base of the seat bracket of the present invention can be assembled into multiple seat brackets by splicing components to form a combined bracket, so as to produce a row of seats with the function of adjusting the legs and backrest. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the embodiments of the present invention or the technical methods in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0026] Figure 1 This is a schematic structural diagram of a seat bracket according to Embodiment 1 of the present invention;

[0027] Figure 2 It is a front view of the seat support of embodiment 1 of the present invention;

[0028] Figure 3 This is a structural view of a secondary footrest assembly according to embodiment 1 of the present invention;

[0029] Figure 4 This is a structural view of the linkage mechanism of Example 1 of the present invention;

[0030] Figure 5 This is an axonometric view of a seat bracket according to Embodiment 1 of the present invention;

[0031] Figure 6 This is a view of the seat support in an extended position according to Embodiment 1 of the present invention;

[0032] Figure 7 This is a lying view of the seat support of embodiment 1 of the present invention;

[0033] Figure 8This is a structural view of a seat bracket and a splicing assembly according to Embodiment 2 of the present invention;

[0034] Fig. 9 This is a structural view of a splicing assembly according to Embodiment 2 of the present invention;

[0035] Fig.10 This is a structural view of the combined bracket of Example 2 of the present invention.

[0036] Among them, the figure numbers are: 100-seat bracket, 1-base, 11-rear frame, 12-side frame, 2-armrest assembly, 21-mounting frame, 22-armrest frame, 23-armrest support foot, 3-extension assembly, 4-linkage mechanism, 41-front support member, 42-first bracket, 43-bracket connecting rod, 44-second bracket, 45-first connecting rod, 46-rotating connecting rod, 47-second connecting rod, 48-rear support member, 5-leg mechanism, 51-connecting rod assembly, 52-main footrest, 521-first connection point, 522-second connection point, 523-third connection point, 53-main rest Footboard, 511-first connecting rod, 512-second connecting rod, 513-third connecting rod, 514-fourth connecting rod, 515-fifth connecting rod, 516-sixth connecting rod, 54-auxiliary footrest assembly, 541-connecting rod, 542-auxiliary footrest, 543-auxiliary footrest, 6-seat mounting plate, 7-backrest mechanism, 71-back mounting part, 72-back connecting rod, 8-seat frame assembly, 9-splicing assembly, 91-first splicing plate, 92-second splicing plate, 911-card slot, 921-card hole, 10-driving mechanism, 101-driving connecting rod, 102-motor push rod, 103-motor. DETAILED DESCRIPTION

[0037] In order to make the purpose, technical solution and advantages of the present invention more clear, the present invention is further described in detail below in combination with specific implementation methods and with reference to the accompanying drawings. It should be understood that these descriptions are only exemplary and are not intended to limit the scope of the present invention.

[0038] In the description of the present invention, it should be understood that the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features.

[0039] In addition, in the present invention, unless otherwise clearly specified and limited, the terms "installation", "connection" and the like should be understood in a broad sense, for example, it 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 it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0040] Example 1

[0041] like Figure 1-7 As shown, embodiment 1 of the present invention provides a seat support, comprising a base 1, an armrest assembly 2, and two extension assemblies 3 arranged relatively on the base 1, each of the extension assemblies 3 comprising a connected linkage mechanism 4, a seat mounting plate 6, and a leg mechanism 5, and the seat mounting plate 6 is connected to the base 1 through the linkage mechanism 4;

[0042] The leg mechanism 5 includes a connecting rod assembly 51 and a main footrest 52, wherein the first connecting rod 511 of the connecting rod assembly 51 is connected to the second connecting rod 512, and the third connecting rod 513, the fourth connecting rod 514, the fifth connecting rod 515 and the sixth connecting rod 516 of the connecting rod assembly 51 are connected in sequence, wherein the first connecting rod 511 and the third connecting rod 513 are respectively connected to the seat mounting plate 6, the middle parts of the first connecting rod 511 and the second connecting rod 512 are respectively cross-connected with the middle parts of the fourth connecting rod 514 and the fifth connecting rod 515, the second connecting rod 512 and the sixth connecting rod 516 are connected to the main footrest 52, the connecting rod assembly 51 is used to extend or contract the main footrest 52 relative to the seat mounting plate 6, and the main footrest 52 is used to connect to the main footrest 53;

[0043] The armrest assembly 2 includes a mounting frame 21, an armrest frame 22 and an armrest foot 23. The armrest frame 22 is connected to the base 1 through the mounting frame 21. The armrest frame 22 is supported on the ground through the armrest foot 23. When the leg mechanism 5 is retracted to the limit position, the height of the armrest foot is the same as the height of the lower edge of the main footrest 53 from the ground when the leg mechanism 5 is retracted to the limit position, that is, the mounting surface where the armrest frame 22 is connected to the armrest foot 23 is on the same horizontal plane as the lower edge of the main footrest 53. Figure 2 The lower edge of the main footrest is the long side of the main footrest that is closer to the ground after the leg mechanism is retracted. Preferably, the armrest support foot is a tripod structure.

[0044] Specifically, the height of the armrest foot 23 is 11-15 cm. The main footrest 53 is fixed on the main footrest 52, and the width of the main footrest 53 is less than 12 cm. When the leg mechanism 5 is retracted to the extreme position, the height of the lower edge of the main footrest 53 from the ground is 11-15 cm. In some embodiments, the height of the armrest foot can be 11 cm, 12 cm, 13 cm or 15 cm, and the width of the main footrest can be 8 cm, 9 cm, 10 cm or 12 cm. When the leg mechanism 5 is retracted to the extreme position, the height of the lower edge of the main footrest 53 from the ground can be 11 cm, 12 cm, 13 cm or 15 cm. Preferably, in the embodiment of the present invention, the height of the armrest foot is 13 cm, the width of the main footrest is 9 cm, and when the leg mechanism 5 is retracted to the extreme position, the height of the lower edge of the main footrest 53 from the ground is the same as the height of the armrest foot, which is 13 cm.

[0045] Specifically, a first connection point 521, a second connection point 522 and a third connection point 523 are provided on the main footrest 52. The main footrest 52 is connected to the second connecting rod 512 via the first connection point 521, and the main footrest 52 is connected to the sixth connecting rod 516 via the second connection point 522.

[0046] Specifically, the leg mechanism 5 also includes an auxiliary footrest assembly 54, which includes a connecting rod 541 and an auxiliary footrest member 542; the auxiliary footrest member 542 is connected to the main footrest member 52 via a third connection point 523, one end of the connecting rod 541 is connected to the sixth connecting rod 516, and the other end of the connecting rod 541 is connected to the auxiliary footrest member 542, and the auxiliary footrest member 542 is used to connect to the auxiliary footrest board 543.

[0047] Specifically, when the leg mechanism 5 is retracted to the extreme position, the height of the auxiliary footrest 543 from the ground is greater than 7 cm, preferably, 8-10 cm. In an embodiment of the present invention, when the leg mechanism 5 is retracted to the extreme position, the auxiliary footrest and the auxiliary footrest 543 are completely folded under the leg mechanism 5, and the auxiliary footrest 543 and the main footrest 53 are in a substantially vertical state. When the leg mechanism 5 is extended to the extreme position, the height of the auxiliary footrest 543 from the ground is greater than 40 cm. In some embodiments, when the leg mechanism 5 is extended to the extreme position, the height of the auxiliary footrest 543 from the ground can be 40 cm, 43 cm, 46 cm, 50 cm or 55 cm. Preferably, in this embodiment, after extension, the height of the auxiliary footrest 543 from the ground is 46 cm, and the heights of the main footrest and the auxiliary footrest from the ground are substantially the same.

[0048] Specifically, in some implementations, the seat support further includes a seat frame assembly 8, which is connected to the seat mounting plate 6, and is used to support and fix the seat soft bag, and the seat frame assembly may include a support structure and an elastic cushion. In an embodiment of the present invention, when the leg mechanism is retracted to the extreme position, the height from the highest point of the seat frame assembly 8 to the ground is less than 28 cm, preferably, the distance from the seat frame assembly to the ground is 26 cm, and the seat height after the soft bag can reach a comfortable 43 cm, and when the leg mechanism 5 is extended to the extreme position, the height of the main footrest and the auxiliary footrest from the ground is greater than the seat height after extension.

[0049] The seat support of the present invention also includes a driving mechanism 10, which includes a driving connecting rod 101, a motor push rod 102 and a motor 103. The two ends of the driving connecting rod 101 are respectively connected to the middle part of the first connecting rod 511, and the motor push rod 102 is connected to the driving connecting rod 101. The motor 103 is used to drive the motor push rod 102 and the driving connecting rod 101 to drive the leg mechanism 5 to extend and contract.

[0050] Specifically, the base 1 includes a rear frame 11 and two oppositely arranged side frames 12, and the motor is connected to the middle of the rear frame through a motor mounting member. In this embodiment, a bracket foot can be arranged under the base, and the bracket foot and the armrest foot are supported on the ground together. Generally, the ground is a horizontal support surface for placing the seat.

[0051] Specifically, Figure 4 As shown, the linkage mechanism 4 includes a front support 41, a first bracket 42, a bracket connecting rod 43, a second bracket 44, a first connecting rod 45, a rotating connecting rod 46, a second connecting rod 47 and a rear support 48; the front support 41 is rotatably connected to the front end of the side frame 12, one end of the first bracket 42 is connected to the front support 41, and the other end of the first bracket 42 is connected to the seat mounting plate 6, one end of the bracket connecting rod 43 is connected to the middle part of the first bracket 42, and the other end is connected to the second bracket 44, one end of the first connecting rod 45 is connected to the middle part of the front support 41, and the other end is connected to the rotating connecting rod 46, the rotating connecting rod 46 is connected to the second connecting rod 47, the second connecting rod 47 is connected to the second connecting rod 512, one end of the rear support 48 is rotatably connected to the front end of the side frame 12, and the other end of the rear support 48 is connected to the second bracket 44.

[0052] Specifically, the extension assembly 3 further includes a backrest mechanism 7, and the leg mechanism 5 is used to drive the backrest mechanism 7, the linkage mechanism 4 and the seat mounting plate 6 to adjust the seat support between the sitting position, the stretching position and the lying position. The backrest mechanism 7 includes a back mounting member 71 and a back linkage rod 72, one end of the back linkage rod 72 is connected to the back mounting member 71, and the other end of the back linkage rod 72 is rotatably connected to the second support 44; the back mounting member 71 is connected to the seat mounting plate 6 and the back linkage rod 72 respectively. The back mounting member 71 is used to be connected to the backrest frame of the seat.

[0053] The low-seat, high-leg chair support provided by the embodiment of the present invention can be adjusted between the positions of sitting, stretching and lying. The direction of leg mechanism extension is defined as forward, and the direction of contraction is defined as backward. In the sitting state, the leg mechanism 5 contracts to the limit position below the seat frame assembly 8, and the backrest mechanism 7 remains basically upright; when the seat support is adjusted from the sitting position to the stretching position, the driving mechanism drives the connecting rod assembly 51 to extend forward and upward relative to the seat frame assembly 8, and at the same time drives the linkage mechanism 4, the seat frame assembly 8 and the backrest mechanism 7 to move forward relative to the base 1, as shown in FIG. Figure 6 When the stretching position is adjusted to the lying position, the leg mechanism 5 continues to be lifted upward, so that the backrest mechanism 7 is rotated backward relative to the base 1 to achieve a lying position, such as Figure 7 In some embodiments, the seat support is adjusted from a sitting position to a lying position in a continuous process, wherein the leg mechanism is extended first, and then the backrest mechanism is rotated and adjusted to a lying position.

[0054] Example 2

[0055] like Figure 8-10 As shown, the present invention further provides a seat assembly bracket, comprising at least two seat brackets 100 and at least one splicing assembly 9 , wherein the splicing assembly 9 is fixed on the base 1 , and at least two seat brackets 100 are connected via the splicing assembly 9 .

[0056] The splicing assembly 9 includes a first splicing plate 91 and a second splicing plate 92; the first splicing plate 91 is connected to the base 1 of one seat bracket, and the second splicing plate 92 is connected to the base 1 of another seat bracket; the first splicing plate 91 is provided with at least one hook-shaped slot 911, and the second splicing plate 92 is provided with at least one snap-in hole 921, and at least one slot 911 is connected to the snap-in hole 921 by a fastening nail.

[0057] In the combined bracket, at least two seat brackets are installed side by side through the splicing assembly 9, wherein the armrest mounting frame and the armrest frame are only installed on two sides of the combined bracket to form a row of seats or a sofa.

[0058] It should be understood that the above specific embodiments of the present invention are only used to illustrate or explain the principles of the present invention, and do not constitute a limitation of the present invention. Therefore, any modification, equivalent substitution, improvement, etc. made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention.

Claims

1. A seat bracket, characterized in that: The invention comprises a base (1), an armrest assembly (2) and two extension assemblies (3) arranged on the base (1) in a relative manner, each of the extension assemblies (3) comprising a connected linkage mechanism (4), a seat mounting plate (6) and a leg mechanism (5), and the seat mounting plate (6) is connected to the base (1) via the linkage mechanism (4); The leg mechanism (5) comprises a connecting rod assembly (51) and a main footrest member (52), wherein the connecting rod assembly (51) is used to extend or retract the main footrest member (52) relative to the seat mounting plate (6), and the main footrest member (52) is used to be connected to a main footrest plate (53); The connecting rod assembly (51) is a six-connecting rod telescopic structure, and the connecting rod assembly (51) comprises a first connecting rod (511), a second connecting rod (512), a third connecting rod (513), a fourth connecting rod (514), a fifth connecting rod (515) and a sixth connecting rod (516); The first connecting rod (511) is connected to the second connecting rod (512), and the third connecting rod (513), the fourth connecting rod (514), the fifth connecting rod (515) and the sixth connecting rod (516) are connected in sequence, wherein the first connecting rod (511) and the third connecting rod (513) are respectively connected to the seat mounting plate (6), the middle parts of the first connecting rod (511) and the second connecting rod (512) are respectively cross-connected with the middle parts of the fourth connecting rod (514) and the fifth connecting rod (515), and the second connecting rod (512) and the sixth connecting rod (516) are connected to the main footrest (52); The main footrest (52) is provided with a first connection point (521), a second connection point (522) and a third connection point (523); the main footrest (52) is connected to the second connecting rod (512) via the first connection point (521); and the main footrest (52) is connected to the sixth connecting rod (516) via the second connection point (522); The armrest assembly (2) comprises a mounting frame (21), an armrest frame (22) and an armrest support foot (23); the armrest frame (22) is connected to the base (1) via the mounting frame (21); the armrest frame (22) is supported on the ground via the armrest support foot (23); when the leg mechanism (5) is retracted to the limit position, the height of the lower edge of the main footrest (53) from the ground is the same as the height of the armrest support foot (23); The leg mechanism (5) further comprises an auxiliary footrest assembly (54), wherein the auxiliary footrest assembly (54) comprises a connecting rod (541) and an auxiliary footrest member (542); The auxiliary footrest (542) is connected to the main footrest (52) via a third connection point (523); one end of the connecting rod (541) is connected to the sixth connecting rod (516); the other end of the connecting rod (541) is connected to the auxiliary footrest (542); and the auxiliary footrest (542) is used to be connected to the auxiliary footrest board (543); When the leg mechanism (5) is extended to the extreme position, the height of the auxiliary footrest (543) from the ground is greater than 40 cm.

2. A seat support according to claim 1, characterized in that: The main footrest (53) is fixed on the main footrest member (52), the width of the main footrest (53) is less than 12 cm, and when the leg mechanism (5) is retracted to the extreme position, the height of the lower edge of the main footrest (53) from the ground is 11-15 cm.

3. A seat support according to claim 1, characterized in that: The height of the handrail support foot (23) is 11-15 cm.

4. A seat support according to claim 1, characterized in that: When the leg mechanism (5) is retracted to the extreme position, the height of the auxiliary footrest (543) from the ground is greater than 7 cm.

5. A seat support according to claim 1, characterized in that: The extension assembly (3) further comprises a backrest mechanism (7) and a seat frame assembly (8), and the leg mechanism (5) is used to drive the backrest mechanism (7), the linkage mechanism (4) and the seat mounting plate (6) to adjust the seat support between a sitting position, an extension position and a lying position; The seat frame assembly (8) is connected to the seat mounting plate (6), and when the leg mechanism (5) is retracted to the extreme position, the height from the highest point of the seat frame assembly (8) to the ground is less than 28 cm.

6. A seat assembly bracket, characterized in that: It comprises at least two seat supports (100) according to any one of claims 1 to 5 and at least one splicing assembly (9), wherein the splicing assembly (9) is fixed on the base (1), and at least two seat supports (100) are connected via the splicing assembly (9).

7. A seat assembly bracket according to claim 6, characterized in that: The splicing assembly (9) comprises a first splicing plate (91) and a second splicing plate (92); The first splicing plate (91) is connected to the base (1) of one seat support, and the second splicing plate (92) is connected to the base (1) of another seat support; The first splicing plate (91) is provided with at least one hook-shaped slot (911), and the second splicing plate (92) is provided with at least one snap-fit ​​hole (921), and the at least one slot (911) is connected to the snap-fit ​​hole (921) via a fastening nail.

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