CN220384718U - Novel function frame of integration sofa slip extension - Google Patents

Abstract

The utility model provides a novel integrated sofa sliding and stretching functional frame, which relates to the field of sofa seats and comprises a seat frame base and a movable frame body, wherein the movable frame body comprises a cushion mounting rod, a pedal assembly and a backrest assembly; the movable frame body is assembled on the chair frame base in a sliding way; the movable frame body slides relative to the chair frame base to form an extension or contraction shape. The chair has the beneficial effects that the chair frame base is arranged, the movable frame body is connected to the chair frame base in a sliding way, the cushion mounting rod is arranged on the movable frame body, and the cushion of the sofa chair is connected to the cushion mounting rod, so that the cushion of the sofa chair can slide relatively along with the chair frame base, and the cushion moves relative to the chair frame base, so that the lower half part of the whole chair frame cannot vibrate in the whole adjusting process, and the whole chair frame is more durable.

Description

Novel function frame of integration sofa slip extension

Technical Field

The utility model relates to the field of sofa seats, in particular to a novel function frame for sliding and stretching an integrated sofa.

Background

Along with the improvement of living standard, the comfort level requirement of people on sofa seats is higher and higher, the sofa seats on the market at present have more functions such as pedals and backrests besides meeting basic seat functions, and in order to save space, the pedals and backrests can be retracted or extended, but most of the sofa seats on the market are unfolded by the pedals and the backrests, the cushion can not slide relative to the seat base, and the people lie on the sofa seats, the back is lowered along with the lifting of feet, the buttocks can also correspondingly move, but under the condition that most of the cushions on the market are motionless, the people sitting on the cushion can adjust the posture by themselves when the pedals and the backrests are lowered, so that the people sitting on the cushion are not friendly enough.

The Chinese patent document (application number: 201620126706.7, patent name: a leisure chair with pedal and cushion linked) discloses the following technical contents: the utility model relates to the technical field of leisure chairs, in particular to a leisure chair with pedals and a cushion in linkage. The utility model provides a leisure chaise longue of step and cushion linkage, includes back, cushion, support and base, the bottom of back rotates with the rear end of cushion to be connected, the support top is located to the cushion, the support is established on the base, wherein, be equipped with the step between cushion and the support, be fixed with cushion drive arrangement on the support, the bottom of cushion is connected to the cushion drive arrangement, when cushion drive arrangement drives cushion backward motion, the cushion can promote the step and stretch out forward, when cushion drive arrangement drives cushion forward motion, the cushion can drive the step and pack up backward. The utility model has simple structure and convenient use, and when a user adjusts the cushion of the leisure chair, the pedal can be linked with the cushion without independent adjustment.

According to the embodiment, when the cushion of the leisure chair is driven by the driving device to move, the pedals extend or retract, and the schematic diagram of the scheme shows that the cushion is directly connected with the support of the chair to move, when the cushion moves, the support of the whole chair needs to move together, larger stress is generated on the support of the chair, and when the angle of the chair is adjusted, larger vibration is generated on the whole chair, so that the comfort of a human body is reduced.

Disclosure of Invention

The utility model provides a novel function frame for sliding and stretching an integrated sofa, which can overcome the defects of the prior art in the background art.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

compared with the prior art, the utility model has the beneficial effects that:

the integrated sofa sliding and stretching novel functional frame comprises a chair frame base and a movable frame body, wherein the movable frame body comprises a cushion mounting rod, a pedal assembly and a backrest assembly;

the movable frame body is assembled on the chair frame base in a sliding way;

the movable frame body slides relative to the chair frame base to form an extension or contraction shape.

Further, moving frame bodies are arranged on two sides above the chair frame base, the moving frame bodies on two sides above the chair frame base are connected through a central shaft, the chair frame base is connected with a power assembly, a push-out rod of the power assembly is connected with the central shaft, the central shaft can be driven to be unfolded by the pedal assembly when being pushed by the power assembly towards the pedal assembly, and the backrest assembly can be driven to be extended away from the mounting rod when being pushed by the power assembly towards the pedal assembly; a reinforcing rod is connected between the mounting rods at two sides;

when the center shaft is pulled back towards the pedal assembly by the power assembly, the pedal assembly is driven to shrink, and meanwhile the backrest assembly is driven to retract towards the mounting rod.

Further, two sides of the chair frame base are provided with base side frame bodies, and the base side frame bodies at two sides of the chair frame base are connected by a base first connecting rod, a base second connecting rod and a base third connecting rod;

the side frame body of the base is provided with a guide groove, and the movable frame body is connected with the guide groove in a sliding manner;

or, the side frame body of the base is provided with a downward inclined guide groove and an upward inclined guide groove; the movable frame body is in sliding connection with the downward inclined guide groove and the upward inclined guide groove.

Still further, the downward inclined guide groove is a first sliding rail, the upward inclined guide groove comprises a second sliding rail and a third sliding rail, and the gradient of the second sliding rail is smaller than that of the third sliding rail.

Still further, chair frame base and rotatory basic pole are slided and are connected, the centre of rotatory basic pole is provided with the rotation hole, the both ends of rotatory basic pole are provided with pedestal connection hole and back connecting hole respectively, rotate on the pedestal connection hole and be connected with rotatory sliding block, rotatory sliding block and rotatory sliding groove sliding connection, back connecting hole and back subassembly rotate and are connected.

Still further, the backrest assembly includes a first backrest connector, a second backrest connector, a third backrest connector, and a fourth backrest connector, wherein the first backrest connector, the second backrest connector, the third backrest connector, and the fourth backrest connector are connected to each other to form a closed loop.

Still further, the first backrest connecting piece includes backrest sliding hole, backrest first pivot hole and backrest second pivot hole, the backrest sliding hole with cushion installation pole rotates to be connected, the backrest sliding hole with seat frame base sliding connection, the backrest first pivot hole with fourth backrest connecting piece rotates to be connected, the backrest second pivot hole with second backrest connecting piece rotates to be connected.

Still further, the second backrest connecting piece includes back third pivot hole, back fourth pivot hole and back fifth pivot hole, back third pivot hole with back second pivot hole rotates to be connected, back fourth pivot hole with the one end of third backrest connecting piece rotates to be connected, the other end of third backrest connecting piece with fourth backrest connecting piece rotates to be connected, fourth backrest connecting piece includes back sixth pivot hole, back seventh pivot hole and back eighth pivot hole, back seventh pivot hole sets up the middle end of fourth backrest connecting piece, back sixth pivot hole with back eighth pivot hole sets up respectively the both ends of fourth backrest connecting piece, back sixth pivot hole with back first pivot hole rotates to be connected, back eighth pivot hole circumscribes the back.

Further, the pedal assembly comprises a first telescopic rod, a second telescopic rod, a third telescopic rod, a fourth telescopic rod, a fifth telescopic rod, a sixth telescopic rod and a first pedal supporting rod which are connected together in a staggered and rotating manner; the middle end position of the first telescopic rod is connected with a middle shaft connecting block, the middle shaft connecting block comprises a middle shaft connecting surface, and the middle shaft connecting surface is connected with the middle shaft.

Still further, cushion installation pole includes flexible first connecting hole, flexible second connecting hole and spring holder mounting hole, flexible first connecting hole with the one end rotation of third telescopic link is connected, first telescopic link includes first telescopic link pivot, first telescopic link pivot with flexible second connecting hole rotates to be connected, the one end of first telescopic link is connected with first spring coupling nail, the second spring coupling nail is connected to the spring holder mounting hole, and extension spring's one end is connected first spring coupling nail, extension spring's the other end is connected second spring coupling nail, first telescopic link's one end with the one end rotation of second telescopic link is connected, the middle-end of second telescopic link with the third telescopic link rotates to be connected, the other end of second telescopic link with the fifth telescopic link rotates to be connected, the middle-end of fifth telescopic link with the fourth telescopic link rotates to be connected, the other end of fifth telescopic link with sixth telescopic link rotates to be connected, the other end of sixth telescopic link with the fourth pedal is connected with the other end rotation of fourth pedal rod.

The utility model provides an integrated sofa sliding and stretching novel functional frame, which is provided with a chair frame base, wherein a movable frame body is connected to the chair frame base in a sliding way, a cushion mounting rod is arranged on the movable frame body, and the cushion of the sofa chair is connected to the cushion mounting rod, so that the cushion of the sofa chair can slide relatively along with the chair frame base, one end of the cushion mounting rod is connected with a pedal assembly, the other end of the cushion mounting rod is connected with a backrest assembly, the pedal assembly and the cushion mounting rod are connected through springs, when the pedal is required to be stretched out, the power assembly 4 pushes the pedal to stretch out first, at the moment, the cushion is still motionless due to the pressure of the gravity of a human body, and after the pedal stretches out, the thrust of the power assembly 4 can push the cushion to move forward, so that the human body can start moving after the foot is lifted, the buttocks of the sofa chair does not appear abrupt, the whole adjusting process is soft, and the cushion moves relatively to the chair frame base, so that the lower half part of the whole chair frame does not vibrate in the whole adjusting process, and the whole frame is more durable.

Drawings

FIG. 1 is a first general schematic view of a sofa frame;

FIG. 2 is a second general schematic view of the sofa frame;

FIG. 3 is an exploded view of the couch rack;

FIG. 4 is a top view of the couch rack;

FIG. 5 is a first embodiment shrink view;

FIG. 6 is an expanded view of the first embodiment;

FIG. 7 is a second embodiment shrink view;

FIG. 8 is an expanded view of the second embodiment;

FIG. 9 is a schematic view of a mobile carriage;

FIG. 10 is an exploded view of the mobile frame;

fig. 11 is a schematic view of another construction of the couch frame.

In the figure: 1. moving the frame body; 101. a telescopic base; 1010. a reinforcing rod; 1011. a fixing hole; 1012. a base rotating hole; 102. rotating the base rod; 1021. a base connection hole; 1022. a rotation hole; 1023. a backrest connecting hole; 1024. rotating the sliding block; 104. a backrest assembly; 1041. a first backrest link; 10411. a backrest sliding hole; 10412. a backrest first pivot hole; 10413. a backrest second pivot hole; 1042. a second backrest link; 10421. a third backrest pivot hole; 10422. a backrest fourth pivot hole; 10423. a fifth backrest rotation hole; 1043. a third backrest link; 1044. a fourth backrest link; 10441. a back rest sixth rotation hole; 10442. a seventh backrest rotation hole; 10443. a backrest eighth rotation hole; 105. a cushion mounting rod; 1051. a slip joint surface; 10511. a backrest assembly connection hole; 10512. a first sliding hole; 10513. a second sliding hole; 10514. a telescopic rod rotating hole; 10515. telescoping the first connecting hole; 10516. telescoping the second connecting hole; 10517. a spring seat mounting hole; 1052. a seat cushion mounting surface; 106. a pedal assembly; 1061. a first telescopic rod; 10611. a first telescopic rod rotating hole; 1062. a second telescopic rod; 1063. a third telescopic rod; 1064. a fourth telescopic rod; 1065. a fifth telescopic rod; 1066. a sixth telescopic rod; 1067. a first pedal support rod; 10671. a first foot support surface; 1068. a middle shaft connecting block; 10681. a center shaft connecting surface; 1069. a second pedal support rod; 10691. a second foot support surface; 10610. a seventh telescopic rod; 107. a first spring connecting pin; 108. a second spring connecting pin; 109. a tension spring; 2. a chair frame base; 201. a base side frame; 2011. a first slip rail; 2012. a second slip rail; 2013. a third slip rail; 2014. a rotary sliding groove; 202. a base first link; 203. a base second link; 204. a base third link; 205. a guide groove; 3. a center shaft; 4. a power assembly.

Detailed Description

The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present utility model only, and are not intended to limit the present utility model.

As shown in fig. 1 to 6, 9 and 10, in the first embodiment, the integrated sofa slidably extends the novel functional rack, including a seat frame base 2 and a movable rack body 1, and the movable rack body 1 includes a seat cushion mounting rod 105, a pedal assembly 106 and a backrest assembly 104; the movable frame body 1 is slidably assembled on the chair frame base 2; the movable frame body 1 slides relative to the chair frame base 2 to form an extension or contraction shape. The cushion of sofa chair can take place relative slip along with chair frame foundation 2, and pedal subassembly 106 is connected to cushion installation pole 105's one end, back subassembly 104 is connected to the other end, and still be connected through extension spring 109 between pedal subassembly 106 and the cushion installation pole 105, when needs stretch out the pedal, power pack 4 promotes and makes pedal subassembly 106 stretch out earlier, the cushion is still motionless because of the pressure of human gravity this moment, extension spring 109 is stretched, wait until pedal subassembly 106 stretches out the completion after, power pack 4's thrust just can make the cushion also push forward and take place to remove, the cushion removes then back subassembly 104 also can be along with the leveling, form the position of sitting of first kind of semi-lying. The adjustment mode enables the buttocks to start moving after the feet are lifted, the whole adjustment process is quite soft, when the movable frame body 1 is contracted, the power assembly 4 enables the pedal assembly 106 to be retracted first, then the cushion is slowly moved back to the original position, and when the cushion is moved back, the backrest assembly 104 is straightened along with the sitting posture, so that the second sitting posture is formed. The cushion moves relative to the seat base 2, so that the lower half of the whole seat frame cannot vibrate in the whole adjusting process, and the whole seat frame is more durable.

The two sides above the chair frame base 2 are respectively provided with a movable frame body 1, the movable frame bodies 1 on the two sides above the chair frame base 2 are connected through a central shaft 3, the chair frame base 2 is connected with a power component 4, a push-out rod of the power component 4 is connected with the central shaft 3, the central shaft 3 can drive the pedal component 106 to be unfolded when being pushed by the power component 4 towards the pedal component 106, and the central shaft 3 can drive the backrest component 104 to extend towards a direction away from the mounting rod 105 when being pushed by the power component 4 towards the pedal component 106; a reinforcing rod 1010 is connected between the mounting rods 105 on both sides, and the reinforcing rod 1010 has a reinforcing structure function.

When the middle shaft 3 is pulled back by the power component 4 towards the pedal component 106, the pedal component 106 is driven to shrink, and when the middle shaft 3 is pulled back by the power component 4 towards the pedal component 106, the backrest component 104 is driven to retract towards the mounting rod 105. The two sides of the chair frame base 2 are provided with base side frame bodies 201, the base side frame bodies 201 on the two sides of the chair frame base 2 are connected by a base first connecting rod 202, a base second connecting rod 203 and a base third connecting rod 204, and the base side frame bodies 201 are provided with downward inclined guide grooves and upward inclined guide grooves; the movable frame 1 is slidably connected to the downward inclined guide groove and the upward inclined guide groove. The downward inclined guide groove is a first sliding rail 2011, the upward inclined guide groove includes a second sliding rail 2012 and a third sliding rail 2013, and the gradient of the second sliding rail 2012 is smaller than that of the third sliding rail 2013. The power assembly 4 here may be an electric cylinder or a cylinder driving member.

The two sides of the chair frame base 2 are provided with base side frame bodies 201, the base side frame bodies 201 on the two sides of the chair frame base 2 are connected by base first connecting rods 202, base second connecting rods 203 and base third connecting rods 204, and the base side frame bodies 201 are provided with first sliding rails 2011, second sliding rails 2012 and third sliding rail rails 2013.

The cushion mounting rod 105 includes a sliding connection surface 1051 and a cushion mounting surface 1052, the cushion mounting surface 1052 is externally connected with a cushion, the lower end of the sliding connection surface 1051 includes a backrest component connection hole 10511, a first sliding hole 10512, a second sliding hole 10513 and a telescopic rod rotating hole 10514, the backrest component connection hole 10511 is slidably connected with a first sliding rail 2011, the first sliding hole 10512 is slidably connected with a second sliding rail 2012, and the second sliding hole 10513 is slidably connected with a third sliding rail 2013. Therefore, when the power assembly 4 pushes the middle shaft 3, the cushion can slide relative to the whole seat frame base 2, the whole adjusting process is relatively eased, and the existence of the seat frame base 2 separates the extending and contracting actions of the movable frame body 1 above the seat frame base from the whole seat frame below the seat frame base 2, so that the two parts cannot influence each other, and the whole chair is more stable.

When the power assembly 4 pushes the chair frame base 2 open, the backrest assembly connecting hole 10511 moves along the first sliding rail 2011 in the downward slope direction, the second sliding hole 10513 slides along the third sliding rail 2013 in the upward slope direction, the buttocks of the person sitting thereon move downward, the legs are lifted by the outer side of the chair frame base 2, the pedal assembly 106 is unfolded and the backrest assembly 104 is unfolded and spread backward, and the person sitting thereon forms a lying posture.

When the power unit 4 pulls back the seat frame base 2, the backrest unit connection hole 10511 moves along the first sliding rail 2011 in the upward slope direction, the second sliding hole 10513 slides along the third sliding rail 2013 in the downward slope direction, the buttocks of the person sitting thereon move upward, the legs are flattened by the outer side of the seat frame base 2, the foot rest unit 106 is retracted and the backrest unit 104 is straightened forward, and the person sitting thereon forms a sitting posture.

The linkage mode enables the whole couch frame to have assistance when the posture of a person sitting on the couch frame is changed, so that the sofa is very convenient to use.

One end of the base side frame 201 is provided with a rotary sliding groove 2014, the rotary sliding groove 2014 is fixedly connected with a telescopic base 101 on the base second connecting rod 203, the telescopic base 101 comprises a fixed hole 1011 and a base rotating hole 1012, the fixed hole 1011 is fixedly inserted with the base second connecting rod 203, and the base rotating hole 1012 is rotationally connected with the rotary base rod 102.

The middle of the rotary base rod 102 is provided with a rotary hole 1022, two ends of the rotary base rod 102 are respectively provided with a base connecting hole 1021 and a backrest connecting hole 1023, a rotary sliding block 1024 is rotationally connected to the base connecting hole 1021, the rotary sliding block 1024 is slidingly connected with the rotary sliding groove 2014, and the backrest connecting hole 1023 is rotationally connected with the backrest component 104.

The backrest assembly 104 includes a first backrest connector 1041, a second backrest connector 1042, a third backrest connector 1043, and a fourth backrest connector 1044, with the first backrest connector 1041, the second backrest connector 1042, the third backrest connector 1043, and the fourth backrest connector 1044 being interconnected to form a closed loop. The first backrest connecting means 1041 includes a backrest sliding hole 10411, a backrest first rotation hole 10412, and a backrest second rotation hole 10413, the backrest sliding hole 10411 is rotatably connected to the seat cushion mounting rod 105, the backrest sliding hole 10411 is slidably connected to the seat frame base 2, the backrest first rotation hole 10412 is rotatably connected to the fourth backrest connecting means 1044, and the backrest second rotation hole 10413 is rotatably connected to the second backrest connecting means 1042. The second backrest connecting member 1042 includes a third backrest rotation hole 10421, a fourth backrest rotation hole 10422, and a fifth backrest rotation hole 10423, the third backrest rotation hole 10421 is rotatably connected to the second backrest rotation hole 10413, the fourth backrest rotation hole 10422 is rotatably connected to one end of the third backrest connecting member 1043, the other end of the third backrest connecting member 1043 is rotatably connected to the fourth backrest connecting member 1044, the fourth backrest connecting member 1044 includes a sixth backrest rotation hole 10441, a seventh backrest rotation hole 10442, and an eighth backrest rotation hole 10443, the seventh backrest rotation hole 10442 is disposed at a middle end of the fourth backrest connecting member 1044, the sixth backrest rotation hole 10441 and the eighth backrest rotation hole 10443 are disposed at two ends of the fourth backrest connecting member 1044, respectively, the sixth backrest rotation hole 10441 is rotatably connected to the first backrest rotation hole 10412, and the eighth backrest rotation hole 10443 is externally connected to the backrest 1044. When the seat cushion mounting bar 105 is pushed, the first backrest connecting member 1041 connected to the seat cushion mounting bar 105 slides along the first sliding rail 2011 as well as the seat cushion mounting bar 105, and the fourth backrest connecting member 1044 rotatably connected to the first backrest connecting member 1041 rotates correspondingly during the sliding process, but since the second backrest connecting member 1042 is also connected to the rotating base bar 102, the sixth backrest rotating hole 10441 is defined, when sliding to both ends of the first sliding rail 2011, the state of the backrest is respectively straight up and flat.

The footrest assembly 106 includes a first telescoping rod 1061, a second telescoping rod 1062, a third telescoping rod 1063, a fourth telescoping rod 1064, a fifth telescoping rod 1065, a sixth telescoping rod 1066, and a first footrest support rod 1067 coupled together in a staggered rotational motion. The cushion mounting rod 105 includes flexible first connecting hole 10515, flexible second connecting hole 10516 and spring holder mounting hole 10517, flexible first connecting hole 10515 rotates with the one end of third telescopic link 1063 to be connected, first telescopic link 1061 includes first telescopic link pivot 10611, first telescopic link pivot 10611 rotates with flexible second connecting hole 10516 to be connected, the one end of first telescopic link 1061 is connected with first spring coupling nail 107, spring holder mounting hole 10517 connects second spring coupling nail 108, first spring coupling nail 107 is connected to the one end of extension spring 109, second spring coupling nail 108 is connected to the other end of extension spring 109. The middle end of the first telescopic rod 1061 is connected with a middle shaft connecting block 1068, the middle shaft connecting block 1068 includes a middle shaft connecting surface 10681, and the middle shaft connecting surface 10681 is connected with the middle shaft 3. One end of the first telescopic rod 1061 is rotationally connected with one end of the second telescopic rod 1062, the middle end of the second telescopic rod 1062 is rotationally connected with the third telescopic rod 1063, the other end of the second telescopic rod 1062 is rotationally connected with the fifth telescopic rod 1065, the middle end of the fifth telescopic rod 1065 is rotationally connected with the fourth telescopic rod 1064, the other end of the fifth telescopic rod 1065 is rotationally connected with the sixth telescopic rod 1066, the other end of the sixth telescopic rod 1066 is rotationally connected with the first pedal support rod 1067, the other end of the first pedal support rod 1067 is rotationally connected with the fourth telescopic rod 1064, and the other end of the fourth telescopic rod 1064 is rotationally connected with the third telescopic rod 1063. Therefore, the first telescopic rod 1061, the second telescopic rod 1062, the third telescopic rod 1063, the fourth telescopic rod 1064, the fifth telescopic rod 1065, the sixth telescopic rod 1066 and the first pedal supporting rod 1067 form a linkage relationship, when the middle shaft 3 is pushed, the middle shaft 3 drives the first telescopic rod 1061 to swing, and the first telescopic rod 1061 spreads power so as to expand or contract the pedal assembly.

As shown in fig. 1 to 4 and 7 to 10, the second embodiment is different from the first embodiment in that a second foot support rod 1069 and a seventh telescopic rod 10610 are added in the second embodiment, one end of the seventh telescopic rod 10610 is connected to the first foot support rod 1067, the other end of the seventh telescopic rod 10610 is connected to the sixth telescopic rod 1066, the connecting rod end point on one side of the second foot support rod 1069 is rotatably connected to the first foot support rod 1067 and the sixth telescopic rod 1066, respectively, the first foot support rod 1067 includes a first foot support surface 10671, the second foot support rod 1069 includes a second foot support surface 10691, and when the foot assembly 106 is extended, the first foot support surface 10671 and the second foot support surface 10691 are on the same plane, and compared with the first embodiment, the foot assembly 106 of the second embodiment is extended to support more positions of feet, so that a user can lie more comfortably.

Fig. 11 is a schematic view of another structural manner of the couch frame, and the difference between the structure and the structure illustrated in fig. 1 to 10 is that the guiding groove 205 is provided on the base side frame 201 (i.e. the first sliding rail 2011, the second sliding rail 2012, and the third sliding rail 2013 in the above structure are completely communicated), and the moving frame 1 is slidably connected with the guiding groove 205, so that the structure is simplified, and the installation difficulty is reduced.

The traditional structural mode is that a wooden frame is firstly made, and then the sofa frame (accessories such as a chair frame base, a backrest component and the like) is fixedly connected in the wooden frame for use, but the mode can lead the structure to be heavy and the manufacturing cost to be high; at present, a wooden frame is not required to be adopted, an integrated frame with a linkage function is manufactured, the structure is light, the cost is low, the cushion and the backrest are directly arranged on the corresponding seat frame base and backrest components, the modularized assembly production of the sofa is realized, the labor is saved, and the production efficiency is high; and the chair frame base is compactly connected with the movable frame body, and the two travel links to operate, so that the chair frame is stable and does not shake when opened.

Finally, it should be noted that: although the present utility model has been described in detail with reference to the embodiments, it should be understood that the utility model is not limited to the preferred embodiments, but is capable of modification and equivalents to some of the features described in the foregoing embodiments, but is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims (10)

1. The novel function frame is characterized by comprising a chair frame base (2) and a movable frame body (1), wherein the movable frame body (1) comprises a cushion mounting rod (105), a pedal assembly (106) and a backrest assembly (104);

the movable frame body (1) is slidably assembled on the chair frame base (2);

the movable frame body (1) slides relative to the chair frame base (2) to form an extension or contraction shape.

2. The integrated sofa sliding and stretching novel functional rack according to claim 1, wherein the movable rack bodies (1) are arranged on two sides above the chair rack base (2), the movable rack bodies (1) on two sides above the chair rack base (2) are connected through the central shaft (3), the chair rack base (2) is connected with the power assembly (4), the push-out rod of the power assembly (4) is connected with the central shaft (3), the central shaft (3) can be driven to be unfolded by the pedal assembly (106) when being pushed by the power assembly (4) in the direction of the pedal assembly (106), and the central shaft (3) can be driven to be extended by the back assembly (104) in the direction away from the mounting rod (105) when being pushed by the power assembly (4) in the direction of the pedal assembly (106); a reinforcing rod (1010) is connected between the mounting rods (105) at two sides;

when the middle shaft (3) is pulled back towards the pedal assembly (106) by the power assembly (4), the pedal assembly (106) is driven to shrink, and meanwhile the backrest assembly (104) is driven to retract towards the mounting rod (105).

3. The integrated sofa sliding and stretching novel functional frame according to claim 2, wherein two sides of the chair frame base (2) are provided with base side frame bodies (201), and the base side frame bodies (201) at two sides of the chair frame base (2) are connected by a base first connecting rod (202), a base second connecting rod (203) and a base third connecting rod (204);

a guide groove (205) is formed in the side frame body (201) of the base, and the movable frame body (1) is connected with the guide groove (205) in a sliding mode;

or, the side frame body (201) of the base is provided with a downward inclined guide groove and an upward inclined guide groove; the movable frame body (1) is in sliding connection with the downward inclined guide groove and the upward inclined guide groove.

4. The integrated sofa slide-extension new-type functional rack of claim 3, characterized in that said downward-inclined guide groove is a first slide rail (2011), said upward-inclined guide groove comprises a second slide rail (2012) and a third slide rail (2013), and the gradient of said second slide rail (2012) is smaller than that of said third slide rail (2013).

5. The novel integrated sofa sliding and stretching functional rack of claim 4, wherein the chair frame base (2) is connected with the rotary base rod (102) in a sliding manner, a rotary hole (1022) is formed in the middle of the rotary base rod (102), base connecting holes (1021) and backrest connecting holes (1023) are formed in two ends of the rotary base rod (102) respectively, a rotary sliding block (1024) is rotatably connected to the base connecting holes (1021), the rotary sliding block (1024) is slidably connected with the rotary sliding groove (2014), and the backrest connecting holes (1023) are rotatably connected with the backrest assembly (104).

6. The integrated sofa sliding and stretching novel functional rack according to any one of claims 1 to 5, wherein the backrest assembly (104) comprises a first backrest connecting member (1041), a second backrest connecting member (1042), a third backrest connecting member (1043) and a fourth backrest connecting member (1044), wherein the first backrest connecting member (1041), the second backrest connecting member (1042), the third backrest connecting member (1043) and the fourth backrest connecting member (1044) are connected to each other to form a closed loop.

7. The integrated sofa sliding and stretching novel functional rack according to claim 6, wherein the first backrest connecting piece (1041) comprises a backrest sliding hole (10411), a backrest first rotating hole (10412) and a backrest second rotating hole (10413), the backrest sliding hole (10411) is rotationally connected with the cushion mounting rod (105), the backrest sliding hole (10411) is slidingly connected with the seat frame base (2), the backrest first rotating hole (10412) is rotationally connected with the fourth backrest connecting piece (1044), and the backrest second rotating hole (10413) is rotationally connected with the second backrest connecting piece (1042).

8. The integrated sofa sliding and stretching novel functional rack according to claim 7, wherein the second backrest connecting piece (1042) comprises a backrest third rotating hole (10421), a backrest fourth rotating hole (10422) and a backrest fifth rotating hole (10423), the backrest third rotating hole (10421) is rotationally connected with the backrest second rotating hole (10413), the backrest fourth rotating hole (10422) is rotationally connected with one end of the third backrest connecting piece (1043), the other end of the third backrest connecting piece (1043) is rotationally connected with the fourth backrest connecting piece (1044), the fourth backrest connecting piece (1044) comprises a backrest sixth rotating hole (10441), a backrest seventh rotating hole (10442) and a backrest eighth rotating hole (10443), the backrest seventh rotating hole (10442) is arranged at the middle end of the fourth backrest connecting piece (1044), the backrest sixth rotating hole (10441) and the backrest eighth rotating hole (10443) are respectively connected with the two ends of the backrest (10441) and the backrest (10443).

9. The integrated sofa slide-and-extend novel functional rack according to any one of claims 1 to 5, characterized in that said footrest assembly (106) comprises a first telescopic rod (1061), a second telescopic rod (1062), a third telescopic rod (1063), a fourth telescopic rod (1064), a fifth telescopic rod (1065), a sixth telescopic rod (1066) and a first footrest bar (1067) connected together in a staggered rotation; the middle end position of the first telescopic rod (1061) is connected with a middle shaft connecting block (1068), the middle shaft connecting block (1068) comprises a middle shaft connecting surface (10681), and the middle shaft connecting surface (10681) is connected with the middle shaft (3).

10. The integrated sofa sliding and stretching novel functional rack according to claim 9, wherein the seat cushion mounting rod (105) comprises a telescopic first connecting hole (10515), a telescopic second connecting hole (10516) and a spring seat mounting hole (10517), the telescopic first connecting hole (10515) is rotationally connected with one end of the third telescopic rod (1063), the first telescopic rod (1061) comprises a first telescopic rod rotating hole (10611), the first telescopic rod rotating hole (10611) is rotationally connected with the telescopic second connecting hole (10516), one end of the first telescopic rod (1061) is connected with a first spring connecting nail (107), the spring seat mounting hole (10517) is connected with a second spring connecting nail (108), one end of a stretching spring (109) is connected with the first spring connecting nail (107), the other end of the stretching spring (109) is connected with the second spring connecting nail (108), one end of the first telescopic rod (1061) is rotationally connected with one end of the second telescopic rod (2), one end of the second telescopic rod (1062) is rotationally connected with the other end of the fifth telescopic rod (1065), the other end of the sixth telescopic rod (1066) is rotationally connected with the first pedal supporting rod (1067), the other end of the first pedal supporting rod (1067) is rotationally connected with the fourth telescopic rod (1064), and the other end of the fourth telescopic rod (1064) is rotationally connected with the third telescopic rod (1063).