CN112674546A

CN112674546A - Sofa

Info

Publication number: CN112674546A
Application number: CN202011454871.2A
Authority: CN
Inventors: 杨蕊芬
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-09
Filing date: 2020-12-09
Publication date: 2021-04-20

Abstract

The invention relates to the technical field of sofas, in particular to a sofa.A linear actuator is arranged on the bottom surface of a sofa body, a moving rod is arranged on the linear actuator, and the bottom end of the moving rod is rotatably connected with a connecting rod; one end of the connecting rod is fixedly connected with a mandril, and a baffle is connected below the mandril; the two ends of the baffle are respectively provided with a mounting groove, a support rod is mounted in the mounting groove, two ends of the ejector rod are respectively provided with a mounting seat, a first mounting cavity is arranged in the mounting seat, the support rod extends into the first mounting cavity, the top end of the support rod is connected with a spring, and the top end of the spring is connected with the top surface of the first mounting cavity; the bottom surface of the baffle is provided with a spongy cushion; a first accommodating cavity is arranged in the backrest, a roller is arranged in the first accommodating cavity, and cover cloth is wound on the roller; an exit hole is arranged on the front side of the first containing cavity, a vertical rod is arranged at the bottom of the second containing cavity, one end of the cover cloth is fixedly connected to the roller, and the other end of the cover cloth is sleeved on the vertical rod after passing through the exit hole. The sofa cushion can clean the bottom of the sofa and improve the stability of the cushion.

Description

Sofa

Technical Field

The invention relates to the technical field of sofas, in particular to a sofa.

Background

The sofa is common soft furniture in daily life, is basically one of the necessary furniture in living room, and the main purpose is to facilitate people to have a rest, and with the continuous progress of science and technology, the appearance of the intelligent sofa provides people with better enjoyment, but the prior sofa has the following defects:

1 when a child plays on the sofa, the toy articles are easy to fall to the bottom of the sofa and are difficult to take out; the bottom of the sofa is easy to collect dust and is difficult to clean;

2, after the sofa cushion is made for a long time, the sofa cushion is unstable and can easily move forwards, so that a large gap exists between the sofa cushion and the backrest, and articles can easily fall off from the gap;

3 when the sofa is not used, the dust is easy to accumulate and is difficult to remove.

Disclosure of Invention

It is an object of the present invention to provide a sofa that overcomes some or all of the deficiencies of the prior art.

The sofa comprises a sofa body, wherein a linear actuator is arranged on the bottom surface of the sofa body, a moving rod capable of moving left and right is arranged on the linear actuator, the bottom end of the moving rod is rotatably connected with a connecting rod, and the connecting rod is driven and controlled by a first motor; one end of the connecting rod is fixedly connected with a mandril, and a baffle is connected below the mandril; the two ends of the baffle are respectively provided with a mounting groove, a support rod is mounted in the mounting groove, two ends of the ejector rod are respectively provided with a mounting seat, a first mounting cavity with a downward opening is arranged in the mounting seat, the support rod extends into the first mounting cavity, the top end of the support rod is connected with a spring, and the top end of the spring is connected with the top surface of the first mounting cavity; a snap ring is arranged at the cavity opening of the first mounting cavity, a ring groove is arranged on the support rod, and the snap ring can be clamped at the top of the ring groove; the bottom surface of the baffle is provided with a spongy cushion;

the top of the sofa body is provided with a backrest and armrests, and a plurality of cushion cushions are arranged between the backrest and the armrests; a first accommodating cavity is arranged in the backrest, a roller is arranged in the first accommodating cavity, and cover cloth is wound on the roller; one end of the roller is provided with a first round shaft which is rotatably inserted into a cylinder, and the cylinder is fixedly arranged on the left cavity wall of the first accommodating cavity; the other end of the roller is provided with a second round shaft, a plug cylinder is fixedly sleeved on the second round shaft and can be rotatably plugged into a round hole, and the round hole is positioned on the right cavity wall of the first accommodating cavity;

the front side of the first accommodating cavity is provided with a through hole, the front side of the sofa body is provided with a second accommodating cavity with a forward opening, the bottom of the second accommodating cavity is provided with a vertical rod, the top of the vertical rod is provided with a third accommodating cavity with an upward opening, the bottom of the third accommodating cavity is connected with a telescopic spring, the top end of the telescopic spring is connected with a telescopic block, the bottom of the telescopic block is inserted into the third accommodating cavity, and the top of the telescopic block abuts against the top of the second accommodating cavity;

one end of the cover cloth is fixedly connected to the roller, the other end of the cover cloth penetrates through the penetrating hole and then is sleeved on the upright post, and the cover cloth can press the plurality of cushions.

The moving rod is controlled to move left and right through the linear actuator, so that the baffle can move left and right, articles at the bottom of the sofa can be pushed out, and the articles can be taken out conveniently. The connecting rod is rotationally connected with the moving rod and is driven by the first motor to rotate, so that the baffle can be controlled by the first motor to rotate, the baffle can rotate to a horizontal state, which is equivalent to the retraction of the baffle, and the baffle is separated from the ground in the retraction state, so that articles at the bottom of the sofa cannot be pushed; the baffle also can rotate to vertical state, is equivalent to the baffle and releases, and the baffle can promote the article on ground under the state of releasing, and when sofa bottom article can not once only be released, the baffle just can promote once the back, returns initial position and releases many times under the state of withdrawing to make the article of sofa bottom can all be released. The spongy cushion is used for cleaning the ground at the bottom of the sofa, when the baffle pushes out articles repeatedly, dust on the ground can be cleaned, and the dust cannot be brought back when the baffle is in a retracting state. The cooperation between the mount pad at bracing piece and ejector pin both ends in the mounting groove of baffle both ends for the foam-rubber cushion of baffle bottom surface can press subaerial when the baffle rotates to vertical state, and clean effect is better like this, specifically does, is connected with the spring between bracing piece top and the first installation cavity top surface, and elasticity that produces after compressing through the spring makes the foam-rubber cushion press subaerial. The snap ring can block at the annular top, like this, when the baffle is withdrawed, the bracing piece can not drop first installation cavity, and the baffle can not drop the ejector pin promptly, has ensured the stability of baffle, and after the spring compression, the snap ring can slide on the annular.

The cover cloth one end fixed connection on the roller is on the roller, and the cover cloth other end passes and overlaps behind the exit hole and the cover cloth can push down in the pole setting a plurality of cushions, like this, the cover cloth can be wrapped the cushion and compress tightly, and the position of cushion is very stable, and difficult skew is difficult for the back-and-forth movement promptly, can not appear very big space between cushion and the back, and in addition, the cushion has also obtained the protection, and when there is the dust on the cushion, the elasticity cover cloth can be clear away.

The first circular shaft at one end of the roller can rotate in the cylinder, the second circular shaft at the other end of the roller is fixedly sleeved with the plug cylinder, the plug cylinder can be rotatably plugged into a circular hole, so that the rotation of the roller is realized, and the roller can be conveniently installed in the first accommodating cavity by the aid of the structure.

The telescopic spring top is connected with flexible piece, and flexible piece bottom inserts the third holding intracavity, and flexible piece top is supported on second holding chamber top, and when the drop cloth other end need overlap in the pole setting, the flexible piece messenger telescopic spring shrink pushes down, appears the gap between flexible piece and the second holding chamber top, and the drop cloth other end just can overlap in the pole setting, then flexible piece top is supported on second holding chamber top, and the drop cloth other end just is difficult for droing from the pole setting, and is very convenient.

Preferably, the linear actuator comprises a body, a second installation cavity is arranged in the body, a rotatable lead screw is connected between the left and right cavity walls of the second installation cavity, a lead screw nut is sleeved on the lead screw in a matched mode, and one end of the lead screw is connected with a second motor; a long hole is formed below the second mounting cavity; the screw rod nut is connected with the moving rod, and the moving rod can be clamped in the long hole in a left-right movable mode.

The second motor drives the screw rod to rotate, the screw rod enables the screw rod nut to have a rotating trend, but the moving rod fixedly connected with the screw rod nut is clamped by the long hole, and therefore the screw rod nut and the moving rod move left and right.

Preferably, the bottom end of the moving rod is provided with a groove, a rotatable rotating rod is connected between two groove walls corresponding to the groove, the other end of the connecting rod is fixedly sleeved on the rotating rod, one end of the rotating rod is connected with a first motor, and the first motor is installed on the moving rod.

The first motor drives the rotating rod to rotate, and the connecting rod fixedly sleeved with the rotating rod rotates along with the rotating rod, so that the rotation adjustment of the baffle is realized.

Preferably, a gap is arranged between the ejector rod and the baffle plate, and the width of the gap is larger than the initial length of the spring.

The gap is set to enable the ejector rod and the baffle plate to be compressed, so that the compression of the spring is not hindered.

Preferably, the bottom surface of the sofa body is provided with four support legs, the ejector rod and the baffle plate can be attached to the two support legs at one end of the sofa body, and the second motor is positioned between the two support legs at one end of the sofa body.

Because the sofa body has the landing leg, the landing leg can hinder the removal of baffle, so paste ejector pin and baffle on two landing legs of sofa body one end.

The connecting rod not only can make the baffle rotate, the effect of adjusting the baffle position in addition, because, the second motor is located in the middle of two landing legs of sofa body one end, so, the connecting rod can make the baffle paste on corresponding the landing leg.

Preferably, the mounting seat comprises a top seat and a base, the top seat and the base are fixedly connected through screws, and the first mounting cavity is located in the base; the bottom of the supporting rod is provided with a bottom plate which is fixedly arranged on the bottom surface of the mounting groove.

The installation between mount pad and the bracing piece is very convenient for being connected between footstock and the base, and the setting up of bottom plate makes installing on the mounting groove bottom surface that the bracing piece can be stable.

Preferably, the right end of the plug cylinder is provided with a limit plate, and the limit plate can be attached to the backrest; the limiting plate is provided with a detachable rotating handle.

The limiting plate has a limiting effect and can control the plugging length of the rollers, so that the covering cloth can be aligned to the through hole. The roller can be conveniently rotated by arranging the rotating handle.

Preferably, the height of the through hole is not higher than the height of the plurality of seat cushions.

The height of the exit hole is not higher than the heights of the cushions, so that the cover cloth can press the cushions, and the stability of the cushions is guaranteed.

Preferably, the other end of the cover cloth is provided with a metal strip, the metal strip is provided with a through hole, and the through hole is sleeved on the vertical rod.

The through hole on the metal strip can make the more convenient cover of the drop cloth other end on the pole setting.

Preferably, the top of the telescopic block is in a circular truncated cone shape, and the diameter of the top of the telescopic block is gradually reduced from bottom to top.

The top of the telescopic block is in a round table shape, so that the metal strip extrudes the top of the telescopic block to realize the contraction of the telescopic block, and the telescopic block is very convenient.

Drawings

FIG. 1 is a schematic view showing a sofa according to example 1, in which the bottom articles are easily taken out;

FIG. 2 is an enlarged view of the coupling structure of the coupling rod in embodiment 1;

FIG. 3 is a schematic view showing a connecting structure of a jack and a baffle in example 1;

FIG. 4 is an enlarged view of a coupling structure of a support rod and a mount in embodiment 1;

FIG. 5 is a schematic structural view of a top chassis and a bottom chassis in embodiment 1;

FIG. 6 is a schematic view showing the structure of a rotary shaft in embodiment 1;

FIG. 7 is a schematic view showing a sofa according to embodiment 2 for improving the stability of a seat cushion;

FIG. 8 is a right side view of the sofa of embodiment 2 with improved cushion stability;

FIG. 9 is a schematic view showing the structure of a roller in embodiment 2;

FIG. 10 is a schematic structural view of an upright rod in example 2;

FIG. 11 is a schematic structural view of a dustproof sofa in embodiment 3;

FIG. 12 is a schematic structural view of a dust-proof cloth according to embodiment 3;

FIG. 13 is a schematic structural view of a mounting box in embodiment 3;

fig. 14 is a schematic structural view of a card slot in embodiment 3.

Detailed Description

For a further understanding of the invention, reference should be made to the following detailed description taken in conjunction with the accompanying drawings and examples. It is to be understood that the examples are illustrative of the invention and not limiting.

Example 1

As shown in fig. 1-6, the present embodiment provides a sofa convenient for taking out bottom articles, which includes a sofa body 100, a linear actuator 110 is disposed on the bottom surface of the sofa body 100, a moving rod 120 capable of moving left and right is disposed on the linear actuator 110, a connecting rod 130 is rotatably connected to the bottom end of the moving rod 120, and the connecting rod 130 is driven and controlled by a first motor 131; one end of the connecting rod 130 is fixedly connected with a top rod 140, and a baffle 150 is connected below the top rod 140; two ends of the baffle 150 are respectively provided with a mounting groove 151, a support rod 161 is mounted in the mounting groove 151, two ends of the ejector rod 140 are respectively provided with a mounting seat 162, a first mounting cavity 163 with a downward opening is formed in the mounting seat 162, the support rod 161 extends into the first mounting cavity 163, the top end of the support rod 161 is connected with a spring 164, and the top end of the spring 164 is connected with the top surface of the first mounting cavity 163; a snap ring 165 is arranged at the opening of the first mounting cavity 163, a ring groove 166 is arranged on the support rod 161, and the snap ring 165 can be clamped at the top of the ring groove 166; the bottom surface of the baffle 150 is provided with a sponge pad 170.

The linear actuator 110 controls the moving rod 120 to move left and right, so that the baffle 150 can move left and right, and the articles at the bottom of the sofa can be pushed out, and the articles can be conveniently taken out. Since the connecting rod 130 and the moving rod 120 are rotatably connected and driven by the first motor 131 to rotate, so that the baffle 150 can be controlled by the first motor 131 to rotate, the baffle 150 can rotate to a horizontal state, which is equivalent to the situation that the baffle 150 is retracted, and the baffle 150 is separated from the ground in the retracted state, so that the sofa bottom article cannot be pushed; the baffle 150 can also rotate to the vertical state, which is equivalent to the release of the baffle 150, the baffle 150 can push the articles on the ground in the released state, when the articles at the bottom of the sofa can not be pushed out at one time, the baffle 150 can push the articles once, and then the articles are pushed out for many times in the retracted state and return to the initial position, so that the articles at the bottom of the sofa can be pushed out completely. The sponge pad 170 is used to clean the floor at the bottom of the sofa, and can clean dust on the floor while the barrier 150 is repeatedly pushed out and back, and the dust is not brought back when the barrier 150 is in the retracted state. The cooperation between the bracing piece 161 in the baffle 150 both ends mounting groove 151 and the mount pad 162 at ejector pin 140 both ends for the foam-rubber cushion 170 of baffle 150 bottom surface can press subaerial when baffle 150 rotates to vertical state, and cleaning performance is better like this, specifically does, is connected with spring 164 between bracing piece 161 top and the first installation cavity 163 top surface, and the elasticity that produces after compressing through spring 164 makes foam-rubber cushion 170 press subaerial. The snap ring 165 can be snapped on top of the ring groove 166, so that when the baffle 150 is retracted, the support rod 161 cannot fall off the first installation cavity 163, i.e. the baffle 150 cannot fall off the top bar 140, ensuring the stability of the baffle 150, and when the spring 164 is compressed, the snap ring 165 can slide on the ring groove 166.

In this embodiment, the linear actuator 110 includes a body 111, a second mounting cavity 112 is provided in the body 111, a rotatable lead screw 113 is connected between the left and right cavity walls of the second mounting cavity 112, a lead screw nut 114 is fittingly sleeved on the lead screw 113, and one end of the lead screw 113 is connected with a second motor 115; a long hole 116 is arranged below the second mounting cavity 112; the feed screw nut 114 is connected with a moving rod 120, and the moving rod 120 can be movably clamped in the long hole 116 from left to right.

The second motor 115 drives the lead screw 113 to rotate, the lead screw 113 makes the lead screw nut 114 have a tendency to rotate, but the moving rod 120 fixedly connected with the lead screw nut 114 is clamped by the long hole 116, so the lead screw nut 114 and the moving rod 120 move left and right.

In this embodiment, a groove 121 is formed at the bottom end of the moving rod 120, a rotatable rotating rod 122 is connected between two corresponding groove walls of the groove 121, the other end of the connecting rod 130 is fixedly sleeved on the rotating rod 122, one end of the rotating rod 122 is connected with a first motor 131, and the first motor 131 is installed on the moving rod 120.

The first motor 131 drives the rotating rod 122 to rotate, and the connecting rod 130 fixedly sleeved with the rotating rod 122 rotates along with the rotating rod, so that the rotation adjustment of the baffle 150 is realized.

In this embodiment, the length of the lift pins 140 is equal to the length of the baffle 150.

In this embodiment, a gap 141 is provided between the rod 140 and the baffle 150, and the width of the gap 141 is greater than the initial length of the spring 164.

The gap 141 is provided to allow compression between the stem 140 and the baffle 150 so as not to impede compression of the spring 164.

In this embodiment, the connecting rod 130 is vertically connected to the top bar 140.

In this embodiment, the bottom surface of the sofa body 100 is provided with four legs 101, the top bar 140 and the baffle 150 can be attached to two legs 101 at one end of the sofa body 100, and the second motor 115 is located between the two legs 101 at one end of the sofa body 100.

Since the sofa body 100 has the legs 101, the legs 101 may obstruct the movement of the baffle 150, so the top bar 140 and the baffle 150 are attached to the two legs 101 at one end of the sofa body 100.

The connecting rod 130 not only can rotate the baffle 150, but also can adjust the position of the baffle 150, and since the second motor 115 is located between the two legs 101 at one end of the sofa body 100, the connecting rod 130 can enable the baffle 150 to be attached to the corresponding leg 101.

In this embodiment, the mounting seat 162 includes a top seat 1621 and a bottom seat 1622, the top seat 1621 and the bottom seat 1622 are fixedly connected by screws, and the first mounting cavity 163 is located in the bottom seat 1622; the bottom of the supporting rod 161 is provided with a bottom plate 1611, and the bottom plate 1611 is fixedly installed on the bottom surface of the installation groove 151.

The connection between the top seat 1621 and the bottom seat 1622 makes the installation between the installation seat 162 and the support rod 161 very convenient, and the bottom plate 1611 is arranged to make the support rod 161 stably installed on the bottom surface of the installation groove 151.

The embodiment also provides a using method of the sofa convenient for taking out the bottom articles, which adopts the sofa convenient for taking out the bottom articles, and comprises the following steps:

firstly, the moving rod 120 is controlled by the linear actuator 110, so that the baffle 150 is positioned at the leftmost end; the connecting rod 130 is controlled by the first motor 131 to rotate, so that the baffle 150 is in a vertical state, in the process, the sponge cushion 170 below the baffle 150 is squeezed by the ground, the spring 164 on the baffle 150 contracts, and the sponge cushion 170 is tightly pressed by the elasticity of the spring 164;

secondly, the moving rod 120 is controlled to move rightwards by the linear actuator 110, the baffle 150 moves rightwards immediately, and the articles on the bottom surface of the sofa body 100 are brought to the right end;

thirdly, the first motor 131 controls the connecting rod 130 to rotate, so that the baffle 150 is retracted, namely the baffle 150 is in a horizontal state;

fourthly, the moving rod 120 is controlled by the linear actuator 110 to move leftwards, the baffle 150 is reset, and the process is repeated for a plurality of times, so that all the articles on the bottom surface of the sofa body 100 are brought to the right end.

The use method can push out the articles at the bottom of the sofa for multiple times, and can clean the ground at the bottom of the sofa for multiple times, and the sponge pad 170 is pressed on the ground during cleaning, so that the cleaning effect is better; upon returning to the initial position, the shield 150 is stowed so that the shield 150 does not carry back the missing dust.

Example 2

As shown in fig. 7-10, the present embodiment provides a sofa capable of improving the stability of a seat cushion, which includes a sofa body 100, a backrest 102 and armrests 103 are disposed on the top of the sofa body 100, and a plurality of seat cushions 104 are disposed between the backrest 102 and the armrests 103; a first accommodating cavity 1021 is arranged in the backrest 102, a roller 210 is arranged in the first accommodating cavity 1021, and a cover cloth 220 is wound on the roller 210; one end of the roller 210 is provided with a first round shaft 231, the first round shaft 231 is rotatably inserted into a cylinder 240, and the cylinder 240 is fixedly arranged on the left cavity wall of the first accommodating cavity 1021; the other end of the roller 210 is provided with a second round shaft 232, the second round shaft 232 is fixedly sleeved with a plug cylinder 250, the plug cylinder 250 can be rotatably plugged into a round hole 260, and the round hole 260 is positioned on the right cavity wall of the first accommodating cavity 1021;

an outlet 270 is arranged at the front side of the first accommodating cavity 1021, a second accommodating cavity 280 with a forward opening is arranged at the front side of the sofa body 100, a vertical rod 281 is arranged at the cavity bottom of the second accommodating cavity 280, a third accommodating cavity 282 with an upward opening is arranged at the top of the vertical rod 281, an extension spring 283 is connected at the cavity bottom of the third accommodating cavity 282, an extension block 284 is connected at the top end of the extension spring 283, the bottom of the extension block 284 is inserted into the third accommodating cavity 282, and the top of the extension block 284 abuts against the cavity top of the second accommodating cavity 280;

one end of the cover cloth 220 is fixedly connected to the roller 210, the other end of the cover cloth 220 is sleeved on the upright 281 after passing through the exit hole 270, and the cover cloth 220 can press the plurality of cushion pads 104.

One end of a cover cloth 220 on the roller 210 is fixedly connected to the roller 210, the other end of the cover cloth 220 penetrates through the outlet hole 270 and then is sleeved on the upright post 281, and the cover cloth 220 can press the plurality of seat cushions 104, so that the cover cloth 220 can wrap and press the seat cushion 104, the position of the seat cushion 104 is very stable and not easy to shift, i.e., the seat cushion 104 and the backrest 102 cannot move back and forth, a large gap cannot be formed between the seat cushion 104 and the backrest 102, in addition, the seat cushion 104 is also protected, and when dust exists on the seat cushion 104, the cover cloth 220 can be.

The first round shaft 231 at one end of the roller 210 can rotate in the cylinder 240, the second round shaft 232 at the other end of the roller 210 is fixedly sleeved with the plug cylinder 250, and the plug cylinder 250 can be rotatably plugged into a round hole 260, so that the roller 210 can rotate, and the roller 210 can be conveniently installed in the first accommodating cavity 1021 due to the structure.

The top end of the telescopic spring 283 is connected with a telescopic block 284, the bottom of the telescopic block 284 is inserted into the third accommodating cavity 282, the top of the telescopic block 284 abuts against the top of the second accommodating cavity 280, when the other end of the cover cloth 220 needs to be sleeved on the vertical rod 281, the telescopic block 284 is pressed downwards to enable the telescopic spring 283 to contract, a gap appears between the telescopic block 284 and the top of the second accommodating cavity 280, the other end of the cover cloth 220 can be sleeved on the vertical rod 281, then the top of the telescopic block 284 abuts against the top of the second accommodating cavity 280, the other end of the cover cloth 220 is not easy to fall off from the vertical rod 281, and the cover.

In this embodiment, the plug 250 has a diameter greater than the diameter of the cylinder into which the drape 220 is wound.

The plug 250 has a diameter larger than the diameter of the wound cylinder of the drape 220, so that the wound cylinder of the drape 220 can be easily inserted into the first receiving chamber 1021 from the plug 250.

In this embodiment, the right end of the plug cylinder 250 is provided with a limit plate 251, and the limit plate 251 can be attached to the backrest 102; the limiting plate 251 is provided with a detachable rotating handle 252.

The stopper plate 251 has a stopper function to control the insertion length of the rollers 210 so that the drape 220 can be aligned with the exit hole 270. The handle 252 is provided to facilitate rotation of the roller 210.

In this embodiment, the height of the through hole 270 is not higher than the height of the plurality of seat cushions 104.

The height of the exit aperture 270 is no greater than the height of the plurality of cushions 104 so that the drape 220 can press against the cushions 104 to ensure stability of the cushions 104.

In this embodiment, the other end of the cover cloth 220 is provided with a metal strip 221, and the metal strip 221 is provided with a through hole, which is sleeved on the vertical rod 281.

The through holes in the metal strips 221 allow the other end of the drape 220 to fit over the post 281 more easily.

In this embodiment, the top of the telescopic block 284 is in a circular truncated cone shape, and the diameter of the top of the telescopic block 284 gradually decreases from bottom to top.

The top of the telescopic block 284 is in a circular truncated cone shape, so that the metal strip 221 extrudes the top of the telescopic block 281 to realize the contraction of the telescopic block 284, which is very convenient.

In this embodiment, four legs 101 are disposed on the bottom surface of the sofa body 100.

In this embodiment, the length of the through hole 270 is equal to the sum of the lengths of the plurality of seat cushions 104; the width of the drape 220 is equal to the length of the exit aperture 270.

The embodiment also provides an installation method of the sofa capable of improving the stability of the cushion, which adopts the sofa capable of improving the stability of the cushion and comprises the following steps:

firstly, winding the cleaned cover cloth 220 on the roller 210, then erecting the roller 210 on the round hole 260, sending the roller 210 into the first accommodating cavity 1021 for half, pulling out a part of the cover cloth 220 and leading the other end of the cover cloth 220 to pass through the outlet hole 270;

secondly, the roller 210 is continuously fed into the first accommodating cavity 1021, so that the first round shaft 231 is plugged into the cylinder 240, and then the plug cylinder 250 is plugged into the round hole 260;

and thirdly, pulling out the other end of the cover cloth 220 from the outlet 270, and sleeving the other end of the cover cloth 220 on the upright 281 after bypassing the plurality of cushion pads 104.

The installation method can conveniently send the roller 210 into the first accommodating cavity 1021, can conveniently unfold the cover cloth 220 and stably press the cushion 104, has a good dustproof effect on the cushion 104, and is very convenient to detach and clean the roller 210.

Example 3

As shown in fig. 11-14, the present embodiment provides a dustproof sofa, which includes a sofa body 100, a backrest 102 and a handrail 103 are disposed on the top of the sofa body 100, a mounting box 310 is disposed on the left side of the sofa body 100, a rotatable round bar 320 is disposed in the mounting box 310, a dustproof cloth 330 is wound on the round bar 320, one end of the dustproof cloth 330 is fixedly connected to the round bar 320, and an iron bar 333 is disposed at the other end of the dustproof cloth 330; the magnetic strip 340 is arranged on the right side of the sofa body 100, and the iron strip 333 is matched with the magnetic strip 340 after the dustproof cloth 330 bypasses the handrail 103;

the top of the dustproof cloth 330 is provided with a first cavity 331 with a backward opening, a cavity at the rear end of the first cavity 331 is sewed with a first movable cloth 341 for blocking the front side of the backrest 102, the rear end of the first movable cloth 341 is sewed with a second movable cloth 342 for blocking the rear side of the backrest 102, and the first movable cloth 341 and the second movable cloth 342 can be folded into a whole and then are plugged into the first cavity 331; the bottom of the dustproof cloth 330 is provided with a second cavity 332 with a forward opening, a third movable cloth 343 for blocking the front side of the sofa body 100 is sewn at the cavity at the front end of the second cavity 332, and the third movable cloth 343 can be plugged into the second cavity 332.

Dustproof cloth 330 one end fixed connection is on round bar 320, and the dustproof cloth 330 other end is fixed through the cooperation of ironbar 333 with magnetic stripe 340, and dustproof cloth 330 both ends are all fixed, and dustproof cloth 330 can be the fender dirt of preferred, and dustproof cloth 330 can be withdrawed better moreover, and is very convenient. The first movable cloth 341 in the first cavity 331 can be taken out and block the front side of the backrest 102, the second movable cloth 342 sewn at the rear end of the first movable cloth 341 can block the rear side of the backrest 102, and the third movable cloth 343 in the second cavity 332 can be taken out and block the front side of the sofa body 100, so that the whole sofa can be completely covered, and the dustproof effect is better. The first movable cloth 341 and the second movable cloth 342 can be folded into a whole and then plugged into the first cavity 331, and the third movable cloth 343 can be plugged into the second cavity 332, so that the first movable cloth 341, the second movable cloth 342 and the third movable cloth 343 can be plugged into the dustproof cloth 330, and the dustproof cloth can be conveniently wound on the round bar 320.

This embodiment can be preferred for dust protection of the sofa when the sofa is not in use.

In this embodiment, the width of the dust cloth 330 is equal to the width of the handrail 103.

The width of the dust cloth 330 is equal to the width of the handrail 103, so that the dust cloth 330 can better block the handrail 103.

In this embodiment, the front end and the rear end of the mounting box 310 are respectively provided with a supporting seat 311, and the top surface of the supporting seat 311 is provided with a semicircular clamping groove 312; the two ends of the round bar 320 are respectively located in the corresponding slots 312.

The two ends of the round rod 320 are respectively erected in the corresponding slots 312, so that the round rod 320 can be conveniently placed in the mounting box 310 and taken out of the mounting box 310.

In this embodiment, a cover 313 is disposed on the top surface of the mounting case 310.

When the dust cloth 330 is not used, the round bar 320 wound with the dust cloth 330 is stored in the mounting case 310, and then the case cover 313 is closed for the next use.

In this embodiment, two ends of the round bar 320 are respectively provided with a retaining ring 314, and the dustproof cloth 330 is wound between the two retaining rings 314.

The stop ring 314 has a limiting function, so that the round rod 320 can be conveniently placed in the corresponding clamping groove 312.

In this embodiment, the mounting box 310 and the magnetic stripe 340 are respectively located at the bottom ends of the left and right sides of the sofa body 100.

The mounting box 310 and the magnetic strip 340 are respectively located at the bottom ends of the left and right sides of the sofa body 100, so that the dust cloth 330 can better block the sofa body 100.

In this embodiment, the first, second and third

movable cloths

341, 342 and 343 have the same thickness, and the second cavity 332 has a thickness twice that of the first cavity 331. Thus facilitating the production.

The embodiment also provides a use method of the dustproof sofa, which adopts the dustproof sofa and comprises the following steps:

firstly, mounting and winding the cleaned dustproof cloth 330 on a round rod 320, and then putting the round rod into a mounting box 310;

secondly, the dustproof cloth 330 is pulled out and bypasses the handrail 103, and then the iron bar 333 is absorbed on the magnetic bar 340;

thirdly, the first movable cloth 341 and the second movable cloth 342 are pulled out from the first cavity 331 and unfolded to cover the front and rear sides of the backrest 102 respectively;

and fourthly, pulling the third movable cloth 343 out of the second cavity 332 and covering the front side of the sofa body 100.

The above method can preferably cover the whole sofa to prevent the sofa from being soiled when the sofa is not in use, and the sofa can be stored in the mounting box 310 after the dustproof cloth 330 is cleaned when the sofa is in use.

Example 4

The embodiment provides a sofa, which comprises a sofa body 100, wherein a linear actuator 110 is arranged on the bottom surface of the sofa body 100, a moving rod 120 capable of moving left and right is arranged on the linear actuator 110, the bottom end of the moving rod 120 is rotatably connected with a connecting rod 130, and the connecting rod 130 is driven and controlled by a first motor 131; one end of the connecting rod 130 is fixedly connected with a top rod 140, and a baffle 150 is connected below the top rod 140; two ends of the baffle 150 are respectively provided with a mounting groove 151, a support rod 161 is mounted in the mounting groove 151, two ends of the ejector rod 140 are respectively provided with a mounting seat 162, a first mounting cavity 163 with a downward opening is formed in the mounting seat 162, the support rod 161 extends into the first mounting cavity 163, the top end of the support rod 161 is connected with a spring 164, and the top end of the spring 164 is connected with the top surface of the first mounting cavity 163; a snap ring 165 is arranged at the opening of the first mounting cavity 163, a ring groove 166 is arranged on the support rod 161, and the snap ring 165 can be clamped at the top of the ring groove 166; the sponge pad 170 is arranged on the bottom surface of the baffle 150;

the top of the sofa body 100 is provided with a backrest 102 and armrests 103, and a plurality of seat cushions 104 are arranged between the backrest 102 and the armrests 103; a first accommodating cavity 1021 is arranged in the backrest 102, a roller 210 is arranged in the first accommodating cavity 1021, and a cover cloth 220 is wound on the roller 210; one end of the roller 210 is provided with a first round shaft 231, the first round shaft 231 is rotatably inserted into a cylinder 240, and the cylinder 240 is fixedly arranged on the left cavity wall of the first accommodating cavity 1021; the other end of the roller 210 is provided with a second round shaft 232, the second round shaft 232 is fixedly sleeved with a plug cylinder 250, the plug cylinder 250 can be rotatably plugged into a round hole 260, and the round hole 260 is positioned on the right cavity wall of the first accommodating cavity 1021;

Example 5

The embodiment provides a dustproof sofa, which comprises a sofa body 100, wherein the top of the sofa body 100 is provided with a backrest 102 and armrests 103, and a plurality of seat cushions 104 are arranged between the backrest 102 and the armrests 103; a first accommodating cavity 1021 is arranged in the backrest 102, a roller 210 is arranged in the first accommodating cavity 1021, and a cover cloth 220 is wound on the roller 210; one end of the roller 210 is provided with a first round shaft 231, the first round shaft 231 is rotatably inserted into a cylinder 240, and the cylinder 240 is fixedly arranged on the left cavity wall of the first accommodating cavity 1021; the other end of the roller 210 is provided with a second round shaft 232, the second round shaft 232 is fixedly sleeved with a plug cylinder 250, the plug cylinder 250 can be rotatably plugged into a round hole 260, and the round hole 260 is positioned on the right cavity wall of the first accommodating cavity 1021;

one end of the cover cloth 220 is fixedly connected to the roller 210, the other end of the cover cloth 220 passes through the outlet hole 270 and then is sleeved on the upright 281, and the cover cloth 220 can press the plurality of cushion pads 104;

the left side of the sofa body 100 is provided with a mounting box 310, a rotatable round bar 320 is arranged in the mounting box 310, dustproof cloth 330 is wound on the round bar 320, one end of the dustproof cloth 330 is fixedly connected to the round bar 320, and the other end of the dustproof cloth 330 is provided with an iron strip 333; the magnetic strip 340 is arranged on the right side of the sofa body 100, and the iron strip 333 is matched with the magnetic strip 340 after the dustproof cloth 330 bypasses the handrail 103;

thirdly, the other end of the cover cloth 220 is pulled out from the outlet 270, and the other end of the cover cloth 220 is sleeved on the upright 281 after bypassing the plurality of cushion pads 104;

fourthly, the cleaned dustproof cloth 330 is installed and wound on the round rod 320 and then is placed in the installation box 310;

fifthly, the dustproof cloth 330 is pulled out, and the iron bar 333 is attracted to the magnetic bar 340 after bypassing the handrail 103;

sixthly, the first movable cloth 341 and the second movable cloth 342 are pulled out from the first cavity 331 and unfolded to cover the front side and the rear side of the backrest 102 respectively;

and seventhly, pulling the third movable cloth 343 out of the second cavity 332 and covering the front side of the sofa body 100.

The above method can conveniently unfold the cover cloth 220 and stably press the cushion 104, can preferably cover the whole sofa to prevent the sofa from being soiled, and can store the cleaned dustproof cloth 330 in the mounting box 310 when the sofa is in use.

Example 6

This embodiment includes all the structures in embodiments 1, 2 and 3, and those skilled in the art can arbitrarily delete or combine the structures in embodiments 1 to 3 according to actual requirements.

The present invention and its embodiments have been described above schematically, without limitation, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching, without departing from the spirit of the invention, the person skilled in the art shall not inventively design the similar structural modes and embodiments to the technical solution, but shall fall within the scope of the invention.

Claims

1. A sofa, which is characterized in that: the sofa comprises a sofa body (100), wherein a linear actuator (110) is arranged on the bottom surface of the sofa body (100), a moving rod (120) capable of moving left and right is arranged on the linear actuator (110), the bottom end of the moving rod (120) is rotatably connected with a connecting rod (130), and the connecting rod (130) is driven and controlled by a first motor (131); one end of the connecting rod (130) is fixedly connected with a top rod (140), and a baffle plate (150) is connected below the top rod (140); two ends of the baffle (150) are respectively provided with a mounting groove (151), a support rod (161) is mounted in the mounting groove (151), two ends of the ejector rod (140) are respectively provided with a mounting seat (162), a first mounting cavity (163) with a downward opening is formed in the mounting seat (162), the support rod (161) extends into the first mounting cavity (163), the top end of the support rod (161) is connected with a spring (164), and the top end of the spring (164) is connected with the top surface of the first mounting cavity (163); a snap ring (165) is arranged at the cavity opening of the first mounting cavity (163), a ring groove (166) is arranged on the support rod (161), and the snap ring (165) can be clamped at the top of the ring groove (166); the bottom surface of the baffle (150) is provided with a spongy cushion (170);

the top of the sofa body (100) is provided with a backrest (102) and armrests (103), and a plurality of cushion cushions (104) are arranged between the backrest (102) and the armrests (103); a first accommodating cavity (1021) is arranged in the backrest (102), a roller (210) is arranged in the first accommodating cavity (1021), and a cover cloth (220) is wound on the roller (210); one end of the roller (210) is provided with a first round shaft (231), the first round shaft (231) is rotatably inserted into a cylinder (240), and the cylinder (240) is fixedly arranged on the left cavity wall of the first accommodating cavity (1021); a second round shaft (232) is arranged at the other end of the roller (210), a plug cylinder (250) is fixedly sleeved on the second round shaft (232), the plug cylinder (250) can be rotatably plugged into a round hole (260), and the round hole (260) is positioned on the right cavity wall of the first accommodating cavity (1021);

an outlet hole (270) is formed in the front side of the first accommodating cavity (1021), a second accommodating cavity (280) with a forward opening is formed in the front side of the sofa body (100), a vertical rod (281) is arranged at the cavity bottom of the second accommodating cavity (280), a third accommodating cavity (282) with an upward opening is formed in the top of the vertical rod (281), a telescopic spring (283) is connected to the cavity bottom of the third accommodating cavity (282), a telescopic block (284) is connected to the top end of the telescopic spring (283), the bottom of the telescopic block (284) is inserted into the third accommodating cavity (282), and the top of the telescopic block (284) abuts against the cavity top of the second accommodating cavity (280);

one end of the cover cloth (220) is fixedly connected to the roller (210), the other end of the cover cloth (220) penetrates through the penetrating hole (270) and then is sleeved on the upright post (281), and the cover cloth (220) can press the plurality of cushion pads (104).

2. The sofa of claim 1, wherein: the linear actuator (110) comprises a body (111), a second mounting cavity (112) is arranged in the body (111), a rotatable lead screw (113) is connected between the left and right cavity walls of the second mounting cavity (112), a lead screw nut (114) is sleeved on the lead screw (113) in a matched mode, and one end of the lead screw (113) is connected with a second motor (115); a long hole (116) is arranged below the second mounting cavity (112); the feed screw nut (114) is connected with the moving rod (120), and the moving rod (120) can be clamped in the long hole (116) in a left-right movable mode.

3. A sofa according to claim 2, wherein: the bottom end of the moving rod (120) is provided with a groove (121), the groove (121) is connected with a rotatable rotating rod (122) between two corresponding groove walls, the other end of the connecting rod (130) is fixedly sleeved on the rotating rod (122), one end of the rotating rod (122) is connected with a first motor (131), and the first motor (131) is installed on the moving rod (120).

4. A sofa according to claim 3, wherein: a gap (141) is arranged between the ejector rod (140) and the baffle (150), and the width of the gap (141) is larger than the initial length of the spring (164).

5. The sofa of claim 4, wherein: four supporting legs (101) are arranged on the bottom surface of the sofa body (100), the ejector rod (140) and the baffle (150) can be attached to the two supporting legs (101) at one end of the sofa body (100), and the second motor (115) is located between the two supporting legs (101) at one end of the sofa body (100).

6. The sofa of claim 5, wherein: the mounting seat (162) comprises a top seat (1621) and a base (1622), the top seat (1621) is fixedly connected with the base (1622) through a screw, and the first mounting cavity (163) is positioned in the base (1622); the bottom of the supporting rod (161) is provided with a bottom plate (1611), and the bottom plate (1611) is fixedly arranged on the bottom surface of the mounting groove (151).

7. The sofa of claim 6, wherein: a limit plate (251) is arranged at the right end of the plug cylinder (250), and the limit plate (251) can be attached to the backrest (102); the limiting plate (251) is provided with a detachable rotating handle (252).

8. The sofa of claim 7, wherein: the height of the outlet hole (270) is not higher than the height of the plurality of seat cushions (104).

9. The sofa of claim 8, wherein: the other end of the cover cloth (220) is provided with a metal strip (221), the metal strip (221) is provided with a through hole, and the through hole is sleeved on the vertical rod (281).

10. The sofa of claim 9, wherein: the top of the telescopic block (284) is in a circular truncated cone shape, and the diameter of the top of the telescopic block (284) is gradually reduced from bottom to top.