CN211048892U - Sofa support and have sofa of this support - Google Patents

Abstract

The utility model provides a sofa support and have sofa of this support, wherein the sofa support includes the backup pad, promote the subassembly, first drive assembly reaches and puts the foot subassembly, it is connected with first drive assembly to promote the subassembly, first drive assembly articulates in the backup pad, it articulates in first drive assembly to put the foot subassembly, it includes first connecting piece to put the foot subassembly, the second connecting piece, third connecting piece and first elastic component, the first end of first connecting piece articulates in first drive assembly, the second end of first connecting piece articulates in the first end of second connecting piece, the second end of second connecting piece articulates in the third connecting piece, first connecting piece and third connecting piece are connected respectively to the both ends of first elastic component. The utility model discloses a sofa support elastic component can play the cushioning effect, supplies the mistake person of touching to have sufficient time to receive the hand or receive the foot, and then prevents to press from both sides and hinder, improves sofa support's application safety factor.

Description

Sofa support and have sofa of this support

Technical Field

The utility model belongs to the technical field of mechanical device, in particular to sofa support and have sofa of this support.

Background

A sofa is a very popular piece of furniture. The existing part of the sofa can usually realize the angle adjustment of the leg position through the sofa support inside so as to improve the comfort level of the user; however, when the angle of the leg position of the existing sofa is adjusted, the situations of clamping hands and feet and the like may exist, and potential safety hazards exist.

SUMMERY OF THE UTILITY MODEL

In view of the above, there is a need for a sofa support and a sofa with the same, which aims to increase the safety factor of the sofa.

The utility model provides a sofa support, which comprises a support plate, a pushing component, a first transmission component and a foot placing component, wherein the pushing component is connected with the first transmission component, the first transmission component is hinged with the support plate, the foot placing component is hinged with the first transmission component,

the foot placing assembly comprises a first connecting piece, a second connecting piece, a third connecting piece and a first elastic piece, wherein the first end of the first connecting piece is hinged to the first transmission assembly, the second end of the first connecting piece is hinged to the first end of the second connecting piece, the second end of the second connecting piece is hinged to the third connecting piece, and two ends of the first elastic piece are respectively connected with the first connecting piece and the third connecting piece;

the pushing assembly can drive the first transmission assembly to rotate relative to the supporting plate, and the first transmission assembly can drive the first connecting piece to rotate to realize extension or contraction of the foot placing assembly.

In the sofa support provided by the utility model, the first connecting piece and the second connecting piece of the foot placing component can rotate relatively, and the second connecting piece and the third connecting piece can rotate relatively; put the foot subassembly shrink in sofa support to when dangerous condition such as tong or double-layered foot appear, the third connecting piece receives the outside to block, because first connecting piece and third connecting piece are connected to first elastic component, the third connecting piece can rotate relative to first connecting piece, promote the subassembly and continue to drive and put the foot subassembly shrink, first elastic component can be stretched earlier, thereby play the cushioning effect, it has sufficient time to receive the hand or receive the foot to supply the mistake to touch, and then prevent to press from both sides and hinder, improve sofa support's factor of safety in utilization.

Several alternatives are provided below, but not as an additional limitation to the above general solution, but merely as a further addition or preference, each alternative being combinable individually for the above general solution or among several alternatives without technical or logical contradictions.

In one embodiment, the first connecting piece is provided with a limiting part, the second connecting piece is provided with a guide groove, and the limiting part is arranged in the guide groove and can slide along the guide groove.

In one embodiment, the first transmission assembly includes a first transmission member, a second transmission member, a third transmission member and a fourth transmission member,

the first transmission piece is arranged on one side of the supporting plate, the first transmission piece is hinged to the first end of the second transmission piece, the second end of the second transmission piece is hinged to the first connecting piece,

the third transmission piece is arranged on the other side of the supporting plate, the first end of the third transmission piece is hinged to the supporting plate, the second end of the third transmission piece is hinged to the first end of the fourth transmission piece, the second transmission piece is hinged to the third transmission piece, and the second end of the fourth transmission piece is hinged to the first connecting piece.

In one embodiment, the pushing assembly includes a screw rod, a screw nut and a driving member, the screw rod is connected to the first driving member, the screw nut is screwed to the screw rod, an output end of the driving member is fixedly connected to the screw nut, and the driving member can drive the screw nut to rotate and drive the screw rod to extend and retract.

In one embodiment, the sofa support further comprises a second transmission assembly, a third transmission assembly and a backrest assembly;

the second transmission assembly is hinged to the first transmission assembly and the supporting plate, the third transmission assembly is hinged to the second transmission assembly, the backrest assembly is hinged to the third transmission assembly and the supporting plate, the pushing assembly can drive the second transmission assembly and the third transmission assembly to rotate through the first transmission assembly, and the backrest assembly is driven to rotate relative to the supporting plate.

In one embodiment, the second transmission assembly includes a fifth transmission member, a sixth transmission member, a seventh transmission member and an eighth transmission member, and the fifth transmission member, the seventh transmission member and the eighth transmission member are all disposed on the same side of the sixth transmission member;

the first end of the fifth transmission member is hinged to the first transmission member, the second end of the fifth transmission member is hinged to the sixth transmission member, the first end of the seventh transmission member is hinged to the support plate, the second end of the seventh transmission member is hinged to the first end of the sixth transmission member, the first end of the eighth transmission member is hinged to the support plate, and the second end of the eighth transmission member is hinged to the second end of the sixth transmission member.

In one embodiment, the third transmission assembly is disposed on the other side of the sixth transmission member, and the third transmission assembly includes a ninth transmission member, a tenth transmission member, an eleventh transmission member, a twelfth transmission member, a thirteenth transmission member and a fourteenth transmission member;

the first end of the ninth transmission member is hinged to the first end of the sixth transmission member, the second end of the ninth transmission member is hinged to the tenth transmission member,

one end of the eleventh transmission member is hinged to the second end of the sixth transmission member, the second end of the eleventh transmission member is hinged to the twelfth transmission member,

the first end of the tenth transmission member is hinged to the first end of the thirteenth transmission member, the first end of the twelfth transmission member is hinged to the second end of the thirteenth transmission member, two ends of the fourteenth transmission member are respectively hinged to the eleventh transmission member and the thirteenth transmission member, and the second end of the tenth transmission member and the second end of the twelfth transmission member are both hinged to the backrest component.

In one embodiment, the backrest assembly includes a fifteenth transmission member, a sixteenth transmission member, a seventeenth transmission member, an eighteenth transmission member and a backrest member,

the fifteenth transmission member is hinged to the tenth transmission member and the twelfth transmission member, the first end of the sixteenth transmission member is hinged to the first end of the fifteenth transmission member, the second end of the sixteenth transmission member is hinged to the first end of the seventeenth transmission member, the eighteenth transmission member is fixedly connected to the supporting plate, the second end of the seventeenth transmission member is hinged to the eighteenth transmission member, and the backrest member is hinged to the seventeenth transmission member and the eighteenth transmission member.

In one embodiment, the sofa support further includes a second first elastic member, and two ends of the second first elastic member are respectively connected to the sixth transmission member and the sixteenth transmission member.

A sofa comprises a sofa support, wherein the sofa support is described above.

The utility model provides a sofa can improve sofa's application safety factor through setting up foretell sofa support.

Drawings

Fig. 1 is a schematic view of a sofa support according to an embodiment of the present invention;

FIG. 2 is a schematic view of the extended footrest assembly of the sofa support shown in FIG. 1;

FIG. 3 is a schematic view of a pushing assembly of the sofa support of FIG. 1;

FIG. 4 is a schematic view of a first drive assembly of the sofa support of FIG. 1;

FIG. 5 is a schematic view of the foot rest assembly of the sofa support of FIG. 1;

FIG. 6 is a schematic view of the foot assembly shown in FIG. 5 without the resilient member;

FIG. 7 is a schematic illustration of a second drive assembly of the sofa support of FIG. 1;

FIG. 8 is a schematic illustration of a third drive assembly of the sofa support of FIG. 1;

fig. 9 is a schematic view of the backrest assembly of the sofa support of fig. 1.

Description of reference numerals:

100. a sofa support; 10. a support plate; 20. a pushing assembly; 21. a lead screw; 22. a drive member; 23. a first connecting rod; 24. a second connecting rod; 30. a first transmission assembly; 31. a first transmission member; 32. a second transmission member; 33. a third transmission member; 34. a fourth transmission member; 40. a foot placement component; 41. a first connecting member; 42. a second connecting member; 421. a guide groove; 43. a third connecting member; 44. a first elastic member; 50. a second transmission assembly; 51. a fifth transmission member; 52. a sixth transmission member; 521. a first connection portion; 53. a seventh transmission member; 54. an eighth transmission member; 60. a third transmission assembly; 61. a ninth transmission member; 62. a tenth transmission member; 63. an eleventh transmission member; 64. a twelfth transmission member; 65. a thirteenth transmission member; 66. a fourteenth transmission member; 70. a backrest assembly; 71. a fifteenth transmission member; 72. a sixteenth driving member; 721. a second connecting portion; 73. a seventeenth transmission member; 74. an eighteenth transmission member; 75. a back-rest element; 80. a second elastic member.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It will be understood that when an element is referred to as being "mounted on" another element, it can be directly mounted on the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. When an element is referred to as being "secured to" another element, it can be directly secured to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "or/and" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 and 2, fig. 1 is a schematic structural view of a sofa support 100 according to an embodiment of the present invention; fig. 2 is a schematic view of the extended footrest assembly 40 of the sofa support 100 shown in fig. 1. The utility model provides a sofa support 100 is applied to in the sofa for realize the angle modulation of sofa shank position and back position, thereby improve the comfort level that the user used.

The sofa support 100 comprises a support plate 10, a pushing component 20, a first transmission component 30 and a foot placing component 40, wherein the pushing component 20 is connected with the first transmission component 30, the first transmission component 30 is connected with the support plate 10, and the foot placing component 40 is connected with the first transmission component 30; the supporting plate 10 is fixedly connected with an external sofa plate and used for supporting the sofa support 100, the pushing component 20 provides driving force for the angle adjustment of the sofa support 100, the first transmission component 30 is used for driving the foot placing component 40 to rotate, and the foot placing component 40 can realize the angle adjustment of the leg position of the sofa support 100 through extension or contraction.

Referring to fig. 3, fig. 3 is a schematic structural view of the pushing assembly 20 in the sofa support 100 shown in fig. 1. The pushing assembly 20 comprises a screw 21, a screw nut (not shown) and a driving member 22, the screw nut is screwed on the screw 21, the screw nut is connected with the output end of the driving member 22, and the screw 21 is hinged to the first transmission assembly 30; the driving member 22 can drive the screw nut to rotate relative to the screw 21, so that the screw 21 can be screwed in or out relative to the screw nut, and the pushing assembly 20 drives the first transmission assembly 30 to rotate through the screw 21, and corresponding transmission is realized.

In this embodiment, the driving member 22 is selected as a pushing motor, the pushing motor has a smaller volume, and is suitable for use in a smaller space on the sofa support, and the pushing motor is stably driven, which is beneficial to stably adjusting the angle of the sofa support 100; it is understood that in other embodiments, the driving member 22 may be another type of motor, or another type of driving member such as an air cylinder, as long as the driving member 22 can drive the first transmission assembly 30 to rotate through the lead screw 21.

The connection between the driving member 22 and the lead screw nut may be direct connection or indirect connection, as long as the purpose of driving the lead screw nut to rotate is achieved.

Referring to fig. 4, fig. 4 is a schematic structural view of the first transmission assembly 30 in the sofa support 100 shown in fig. 1. The first transmission assembly 30 includes a first transmission member 31, a second transmission member 32, a third transmission member 33 and a fourth transmission member 34, each of which has a first end and a second end disposed opposite to each other; the first transmission piece 31 and the third transmission piece 33 are respectively positioned at two sides of the supporting plate 10, the first transmission piece 31 is connected with the screw rod 21, the first transmission piece 31 is hinged at a first end of the second transmission piece 32, a second end of the second transmission piece 32 is hinged at the foot placing component 40, a first end of the third transmission piece 33 is hinged at the supporting plate 10, a second end of the third transmission piece 33 is hinged at a first end of the fourth transmission piece 34, the second transmission piece 32 is simultaneously and rotatably connected with the third transmission piece 33, and a second end of the fourth transmission piece 34 is hinged at the foot placing component 40.

When the pushing assembly 20 drives the screw 21 to move, the screw 21 can rotate relative to the supporting plate 10 through the first transmission member 31, the first transmission member 31 drives the foot placing assembly 40 to rotate through the second transmission member 32, because the second transmission member 32 is hinged to the third transmission member 33, the second transmission member 32 can simultaneously drive the third transmission member 33 to rotate relative to the supporting plate 10, and the third transmission member 33 can drive the foot placing assembly to rotate through the fourth transmission member 34; therefore, the first transmission component 30 drives the foot placing component 40 to rotate together through the second transmission component 32 and the fourth transmission component 34, so that the transmission stability can be improved, and the stable work of the sofa support 100 is facilitated.

It should be noted that "each driving member has a first end and a second end that are disposed oppositely" does not limit the driving member to be a straight shape, the driving member may be a bent shape, and other shapes, the first end and the second end are only relative concepts of the end portion of the driving member, and do not limit the specific shape of the driving member, and the first end and the second end are similar to describe the following driving member.

Referring to fig. 5 and fig. 6 together, fig. 5 is a schematic structural view of the foot placing assembly 40 in the sofa support 100 shown in fig. 1, and fig. 6 is a schematic structural view of the foot placing assembly 40 shown in fig. 5 without the elastic member. The foot placing component 40 comprises a first connecting piece 41, a second connecting piece 42, a third connecting piece 43 and a first elastic piece 44, wherein the first end of the first connecting piece 41 is hinged to the second transmission piece 32 and the fourth transmission piece 34, the second end of the first connecting piece 41 is hinged to the first end of the second connecting piece 42, the second end of the second connecting piece 42 is hinged to the third connecting piece 43, two ends of the first elastic piece 44 are respectively connected with the third connecting piece 43 and the first connecting piece 41, and the third connecting piece 43 is fixedly connected to an external sofa plate; therefore, the second transmission member 32 and the fourth transmission member 34 can drive the first connection member 41 to rotate, due to the arrangement of the first elastic member 44, the first connection member 41, the second connection member 42 and the third connection member 43 are folded together, and the first connection member 41, the second connection member 42 and the third connection member 43 rotate together relative to the first transmission assembly 30, so that the foot placing assembly 40 can be extended or contracted.

When dangerous situations such as clamping hands or clamping feet occur when the foot placing assembly 40 is adjusted on the sofa support 100, which is equivalent to that the external sofa plate fixedly connected with the third connecting piece 43 is blocked, and then the third connecting piece 43 is blocked, when the pushing assembly 20 continues to drive the foot placing assembly 40 to shrink, due to the existence of the first elastic piece 44, the third connecting piece 43 rotates relative to the first connecting piece 41, the first elastic piece 44 can be stretched, and then the first elastic piece 44 plays a certain buffering role, so that the pushing assembly 20 is prevented from directly driving the external sofa plate on the third connecting piece 43 to shrink rapidly, the force of the external sofa plate acting on the hands or the feet is gradually increased from small to small, and therefore, a person who is touched by mistake can take in sufficient time to take in the hands or the feet, the clamping injuries are prevented, and the safety coefficient of the sofa support 100 is improved.

In the present embodiment, the first elastic member 44 is a spring, which has the advantages of convenient material selection and good elastic performance; it is understood that in other embodiments, the first elastic member 44 may be selected from other elastic elements such as rubber strips, as long as the above-mentioned functions can be achieved.

In the embodiment, the range of the elastic coefficient of the spring is 0.015N/mm, the value of which is 0.025N/mm, and the elastic coefficient is set in the range, so that a user who makes a mistake can be ensured to have sufficient time to avoid clamping injury, and meanwhile, the first connecting piece 41, the second connecting piece 42 and the third connecting piece 43 can be effectively connected, thereby being beneficial to the use of the sofa support 100; it will be appreciated that in other embodiments, the spring constant of the spring can be selected to be within other ranges depending on the driving member 22 and the driving member, as long as the above-mentioned objectives are achieved.

A limiting part (not shown) is arranged on the first connecting piece 41, a guide groove 421 is arranged on the second connecting piece 42, and the limiting part is arranged in the guide groove 421 when the first connecting piece 41 is hinged with the second connecting piece 42; when dangerous situations such as clamping hands or clamping feet occur, due to the arrangement of the first elastic piece 44, the third connecting piece 43 abuts against the second connecting piece 42, the third connecting piece 43 and the second connecting piece 42 rotate relative to the first connecting piece 41, the limiting part slides in the guide groove 421, and then the limiting part is used for a person who is touched by mistake to take in hands or feet in a time period from one end of the guide groove 421 to the other end, so that clamping injuries are avoided; the limiting part and the guide groove 421 are arranged to ensure that the sofa support 100 can prevent the clamping injury function, and meanwhile, the effective connection between the foot placing components 40 is ensured, which is beneficial to the normal use of the sofa support 100.

The sofa support 100 further comprises a second transmission component 50, a third transmission component 60 and a backrest component 70, wherein the second transmission component 50 is hinged to the first transmission component 30 and the support plate 10, the third transmission component 60 is hinged to the second transmission component 50, and the backrest component 70 is hinged to the third transmission component 60 and the support plate 10; the second transmission assembly 50 and the third transmission assembly 60 are used for transmitting the backrest assembly 70, and the backrest assembly 70 is used for realizing the angle adjustment of the sofa support 100.

Referring to fig. 7, fig. 7 is a schematic structural diagram of the second transmission assembly 50 in the sofa support 100 shown in fig. 1. The second transmission component 50 comprises a fifth transmission piece 51, a sixth transmission piece 52, a seventh transmission piece 53 and an eighth transmission piece 54, the fifth transmission piece 51, the seventh transmission piece 53 and the eighth transmission piece 54 are all arranged on the same side of the sixth transmission piece 52, the first end of the fifth transmission piece 51 is hinged to the first end of the first transmission piece 31, the second end of the fifth transmission piece 51 is hinged to the sixth transmission piece 52, two ends of the seventh transmission piece 53 are respectively connected with the support plate 10 and the sixth transmission piece 52, two ends of the eighth transmission piece 54 are respectively connected with the support plate 10 and the sixth transmission piece 52, and the seventh transmission piece 53 and the eighth transmission piece 54 are respectively connected with two ends of the sixth transmission piece 52; when the pushing assembly 20 drives the first transmission member 31 to rotate, the first transmission member 31 can push the sixth transmission member 52, and the sixth transmission member 52 rotates relative to the supporting plate 10 through the seventh transmission member 53 and the eighth transmission member 54, so as to realize the basic rotational movement of the second transmission assembly 50.

Referring to fig. 8, fig. 8 is a schematic structural view of the third transmission assembly 60 in the sofa support 100 shown in fig. 1. The third transmission assembly 60 comprises a ninth transmission member 61, a tenth transmission member 62, an eleventh transmission member 63, a twelfth transmission member 64, a thirteenth transmission member 65 and a fourteenth transmission member 66, wherein the ninth transmission member 61, the tenth transmission member 62, the eleventh transmission member 63, the twelfth transmission member 64, the thirteenth transmission member 65 and the fourteenth transmission member 66 are all arranged at the other side of the sixth transmission member 52, a first end of the ninth transmission member 61 is hinged at a first end of the sixth transmission member 52, a second end of the ninth transmission member 61 is hinged at the tenth transmission member 62, a first end of the eleventh transmission member 63 is hinged at a second end of the sixth transmission member 52, a second end of the eleventh transmission member 63 is hinged at the twelfth transmission member 64, a first end of the tenth transmission member 62 is hinged at a first end of the thirteenth transmission member 65, and a first end of the twelfth transmission member 64 is hinged at a second end of the thirteenth transmission member, the two ends of the fourteenth transmission member 66 are hinged to the eleventh transmission member 63 and the thirteenth transmission member 65, respectively, and the second end of the tenth transmission member 62 and the second end of the twelfth transmission member 64 are hinged to the backrest assembly 70; when the sixth transmission member 52 rotates relative to the supporting plate 10, the sixth transmission member 52 can drive the ninth transmission member 61 and the eleventh transmission member 63 to rotate, and drive the tenth transmission member 62 and the twelfth transmission member 64 to rotate together through the fourteenth transmission member 66 and the thirteenth transmission member 65.

Referring to fig. 9, fig. 9 is a schematic structural view of the backrest assembly 70 of the sofa support 100 shown in fig. 1. The backrest assembly 70 comprises a fifteenth transmission member 71, a sixteenth transmission member 72, a seventeenth transmission member 73, an eighteenth transmission member 74 and a backrest member 75, the fifteenth transmission member 71 is hinged to the tenth transmission member 62 and the twelfth transmission member 64, a first end of the sixteenth transmission member 72 is hinged to the fifteenth transmission member 71, a second end of the sixteenth transmission member 72 is hinged to a first end of the seventeenth transmission member 73, the eighteenth transmission member 74 is fixedly connected to the support plate 10, a second end of the seventeenth transmission member 73 is hinged to the eighteenth transmission member 74, and the backrest member 75 is hinged to the seventeenth transmission member 73 and the eighteenth transmission member 74; the tenth transmission member 62 and the twelfth transmission member 64 can drive the fifteenth transmission member 71 to rotate together, the fifteenth transmission member 71 rotates to drive the sixteenth transmission member 72 to rotate, and the sixteenth transmission member 72 can drive the backrest member 75 to rotate around the eighteenth transmission member 74 through the seventeenth transmission member 73, so that the angle adjustment of the backrest assembly 70 is realized, and the comfort level for the user can be improved.

The sofa support 100 further includes a second elastic member 80, a first connecting portion 521 is disposed on the sixth transmission member 52, a second connecting portion 721 is disposed on the sixteenth transmission member 72, and two ends of the second elastic member 80 are respectively connected to the first connecting portion 521 and the second connecting portion 721.

When the pushing assembly 20 pushes the foot placing assembly 40 to extend, due to the existence of the second elastic member 80, the second elastic member 80 retracts the sixth transmission member 52, the first transmission assembly 30 drives the foot placing assembly 40 to extend first, and along with the continuous pushing of the pushing assembly 20, the first transmission assembly 30 drives the sixth transmission member 52 to overcome the elastic force of the spring, so as to drive the backrest assembly 70 to realize angle adjustment relative to the supporting plate through the second transmission assembly 50 and the third transmission assembly 60.

When the pushing assembly 20 drives the foot placing assembly 40 to contract, due to the existence of the second elastic member 80, the second elastic member 80 will firstly pull the sixth transmission member 52, and then the second transmission assembly 50 and the third transmission assembly 60 drive the backrest assembly 70 to realize angle rotation, the screw 21 in the pushing assembly 20 continues to contract, and the screw 21 drives the foot placing assembly 40 to fold through the first transmission assembly 30, thereby realizing the contraction of the foot placing assembly 40.

In the present embodiment, the second elastic member 80 is also provided as a spring; it is understood that, in other embodiments, the second elastic member 80 may also be provided as other elastic elements such as a rubber strip, and is not limited in particular.

It should be noted that each of the above-mentioned components is a side component of the sofa support 100, the sofa support 100 is a double-side structure, the sofa support 100 further includes a first connecting rod 23 and a second connecting rod 24, the driving member 22 is hinged to the first connecting rod 23, the screw 21 is hinged to the second connecting rod 24, two ends of the first connecting rod 23 are respectively and fixedly connected to the fifteenth driving members 71 at two sides, two ends of the second connecting rod 24 are respectively and fixedly connected to the first connecting rod 23, thereby forming an integral frame of the sofa support 100.

In the sofa support 100 of the present invention, the first connecting member 41 and the second connecting member 42 of the foot placing assembly 40 can rotate relatively, and the second connecting member 42 and the third connecting member 43 can rotate relatively; when the foot placing component 40 in the sofa support 100 contracts and dangerous situations such as clamping hands or clamping feet occur, the third connecting piece 43 is blocked by the outside, because the first elastic piece 44 is connected with the first connecting piece 41 and the third connecting piece 43, the third connecting piece 43 can rotate relative to the first connecting piece 41, the pushing component 20 continues to drive the foot placing component 40 to contract, the first elastic piece 44 can be stretched firstly, thereby playing a buffering role, allowing a person who is touched by mistake to have sufficient time to receive hands or feet, further preventing clamping injuries, and improving the safety factor of the sofa support 100.

The utility model also provides a sofa, including foretell sofa support 100.

The utility model provides a sofa, through setting up foretell sofa support 100 can improve sofa's application safety factor.

It should be noted that the above descriptions regarding directionality are based on the drawings and are only for convenience of describing the present solution and simplifying the description, but not for indicating or implying that the indicated components or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

It will be appreciated by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be taken as limiting the present invention, and that suitable modifications and variations of the above embodiments are within the scope of the invention as claimed.

Claims (10)

1. A sofa support (100) comprises a support plate (10), a pushing component (20), a first transmission component (30) and a foot placing component (40), wherein the pushing component (20) is connected with the first transmission component (30), the first transmission component (30) is hinged to the support plate (10), the foot placing component (40) is hinged to the first transmission component (30),

the foot placing assembly (40) comprises a first connecting piece (41), a second connecting piece (42), a third connecting piece (43) and a first elastic piece (44), wherein the first end of the first connecting piece (41) is hinged to the first transmission assembly (30), the second end of the first connecting piece (41) is hinged to the first end of the second connecting piece (42), the second end of the second connecting piece (42) is hinged to the third connecting piece (43), and two ends of the first elastic piece (44) are respectively connected with the first connecting piece (41) and the third connecting piece (43);

the pushing assembly (20) can drive the first transmission assembly (30) to rotate relative to the supporting plate (10), and the first transmission assembly (30) can drive the first connecting piece (41) to rotate to realize extension or contraction of the foot placing assembly (40).

2. The sofa support (100) according to claim 1, wherein the first connecting member (41) is provided with a position-limiting portion, the second connecting member (42) is provided with a guide slot (421), and the position-limiting portion is disposed in the guide slot (421) and can slide along the guide slot (421).

3. The sofa support (100) according to claim 1, wherein the first transmission assembly (30) comprises a first transmission member (31), a second transmission member (32), a third transmission member (33) and a fourth transmission member (34),

the first transmission piece (31) is arranged on one side of the supporting plate (10), the first transmission piece (31) is hinged to a first end of the second transmission piece (32), a second end of the second transmission piece (32) is hinged to the first connecting piece (41),

the third transmission piece (33) is arranged on the other side of the supporting plate (10), the first end of the third transmission piece (33) is hinged to the supporting plate (10), the second end of the third transmission piece (33) is hinged to the first end of the fourth transmission piece (34), the second transmission piece (32) is hinged to the third transmission piece (33), and the second end of the fourth transmission piece (34) is hinged to the first connecting piece (41).

4. The sofa support (100) according to claim 3, wherein the pushing assembly (20) comprises a lead screw (21), a lead screw nut and a driving member (22), the lead screw (21) is connected with the first transmission member (31), the lead screw nut is screwed to the lead screw (21), the output end of the driving member (22) is connected with the lead screw nut, and the driving member (22) can drive the lead screw nut to rotate and drive the lead screw (21) to extend and retract.

5. The sofa support (100) according to claim 3, wherein the sofa support (100) further comprises a second transmission assembly (50), a third transmission assembly (60), and a backrest assembly (70);

the second transmission assembly (50) is hinged to the first transmission assembly (30) and the supporting plate (10), the third transmission assembly (60) is hinged to the second transmission assembly (50), the backrest assembly (70) is hinged to the third transmission assembly (60) and the supporting plate (10), and the pushing assembly (20) can drive the second transmission assembly (50) and the third transmission assembly (60) to rotate through the first transmission assembly (30) and drive the backrest assembly (70) to rotate relative to the supporting plate (10).

6. The sofa support (100) according to claim 5, wherein the second transmission assembly (50) comprises a fifth transmission member (51), a sixth transmission member (52), a seventh transmission member (53), and an eighth transmission member (54), wherein the fifth transmission member (51), the seventh transmission member (53), and the eighth transmission member (54) are disposed on the same side of the sixth transmission member (52);

the first end of the fifth transmission piece (51) is hinged to the first transmission piece (31), the second end of the fifth transmission piece (51) is hinged to the sixth transmission piece (52), the first end of the seventh transmission piece (53) is hinged to the support plate (10), the second end of the seventh transmission piece (53) is hinged to the first end of the sixth transmission piece (52), the first end of the eighth transmission piece (54) is hinged to the support plate (10), and the second end of the eighth transmission piece (54) is hinged to the second end of the sixth transmission piece (52).

7. The sofa support (100) according to claim 6, wherein the third transmission assembly (60) is disposed on the other side of the sixth transmission member (52), and the third transmission assembly (60) comprises a ninth transmission member (61), a tenth transmission member (62), an eleventh transmission member (63), a twelfth transmission member (64), a thirteenth transmission member (65) and a fourteenth transmission member (66);

a first end of the ninth transmission piece (61) is hinged to a first end of the sixth transmission piece (52), a second end of the ninth transmission piece (61) is hinged to the tenth transmission piece (62),

a first end of the eleventh transmission piece (63) is hinged to a second end of the sixth transmission piece (52), a second end of the eleventh transmission piece (63) is hinged to the twelfth transmission piece (64),

the first end of the tenth transmission member (62) is hinged to the first end of the thirteenth transmission member (65), the first end of the twelfth transmission member (64) is hinged to the second end of the thirteenth transmission member (65), the two ends of the fourteenth transmission member (66) are respectively hinged to the eleventh transmission member (63) and the thirteenth transmission member (65), and the second end of the tenth transmission member (62) and the second end of the twelfth transmission member (64) are both hinged to the backrest component (70).

8. The sofa support (100) according to claim 7, wherein the backrest assembly (70) includes a fifteenth transmission (71), a sixteenth transmission (72), a seventeenth transmission (73), an eighteenth transmission (74) and a backrest (75),

the fifteenth transmission piece (71) is hinged to the tenth transmission piece (62) and the twelfth transmission piece (64), the first end of the sixteenth transmission piece (72) is hinged to the first end of the fifteenth transmission piece (71), the second end of the sixteenth transmission piece (72) is hinged to the first end of the seventeenth transmission piece (73), the eighteenth transmission piece (74) is fixedly connected to the support plate (10), the second end of the seventeenth transmission piece (73) is hinged to the eighteenth transmission piece (74), and the backrest piece (75) is hinged to the seventeenth transmission piece (73) and the eighteenth transmission piece (74).

9. The sofa support (100) according to claim 8, wherein the sofa support (100) further comprises a second elastic member (80), and the two ends of the second elastic member (80) are connected to the sixth transmission member (52) and the sixteenth transmission member (72), respectively.

10. A sofa comprising a sofa support, characterized in that the sofa support is a sofa support (100) according to any one of claims 1-9.

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