CN209983834U

CN209983834U - Sofa convenient to adjust back angle

Info

Publication number: CN209983834U
Application number: CN201920801548.4U
Authority: CN
Inventors: 宋广花
Original assignee: Shuyang Xudong Wood Products Factory
Current assignee: Shuyang Xudong Wood Products Factory
Priority date: 2019-05-30
Filing date: 2019-05-30
Publication date: 2020-01-24
Anticipated expiration: 2029-05-30

Abstract

The utility model relates to the technical field of furniture, and a sofa convenient to adjust back angle is disclosed, including the containing box, the bottom fixedly connected with servo motor of containing box inner chamber, there is the dodge gate in the front of containing box through hinge swing joint, servo motor's output shaft fixedly connected with threaded rod, the stable piece of right side fixedly connected with of threaded rod surface, the bottom of stable piece and the bottom fixed connection of containing box inner chamber, the left side threaded connection of threaded rod surface has the connecting block, the left side fixedly connected with bearing frame of threaded rod, the left side of bearing frame and the left side fixed connection of containing box inner chamber. This sofa convenient to adjust back angle moves about through the bracing piece for the angle that the regulating plate can freely adjust and lean against, people only need open servo motor when using the sofa, just can realize the regulation of regulating plate angle, facilitates the use, and overall structure is simple, is applicable to various circumstances.

Description

Sofa convenient to adjust back angle

Technical Field

The utility model relates to the technical field of furniture, specifically be a sofa convenient to adjust back angle.

Background

The sofa is a multi-seat chair with soft cushion, the back rest chair is provided with springs or thick foam plastics and the like, the armrests are arranged on two sides, the sofa is one of soft furniture, the origin of the sofa can be traced back to about 2000 ancient Egypt before the first Junyuan, but the soft sofa with real meaning appears in the end of the sixteen century to the beginning of the seventeen century.

Sofas are already necessary for many families, sofas sold in the market generally comprise three types, namely a low-back sofa, a high-back sofa and a common sofa between the low-back sofa and the high-back sofa, and the sofas can be divided into a functional sofa, a fixed-back sofa, an electrodeless self-control sofa, a pneumatic sofa, an electric sofa, a sofa with a television and the like.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a sofa convenient to adjust back angle not enough to prior art, the utility model provides a possesses the regulation of being convenient for and leans on advantages such as angle, has solved the people and has sat when the sofa, is not convenient for adjust the angle of back, uses for a long time, makes the people feel uncomfortable problem.

(II) technical scheme

For the purpose of realizing the aforesaid be convenient for adjust the angle of leaning against, the utility model provides a following technical scheme: a sofa convenient for adjusting a backrest angle comprises a containing box, wherein the bottom of an inner cavity of the containing box is fixedly connected with a servo motor, the front of the containing box is movably connected with a movable door through a hinge, an output shaft of the servo motor is fixedly connected with a threaded rod, the right side of the outer surface of the threaded rod is fixedly connected with a stabilizing block, the bottom of the stabilizing block is fixedly connected with the bottom of the inner cavity of the containing box, the left side of the outer surface of the threaded rod is in threaded connection with a connecting block, the left side of the threaded rod is fixedly connected with a bearing seat, the left side of the bearing seat is fixedly connected with the left side of the inner cavity of the containing box, the bottom of the connecting block penetrates through and extends to the inner part of the bottom wall of the containing box and is fixedly connected with a sliding block, the left side wall and, the bottom of the connecting rod is fixedly connected with the top of the connecting block, one end of the top of the connecting rod is movably connected with a supporting rod, the supporting rod penetrates through and extends to the inside of the connecting rod, the left end and the right end of the internal thread of the supporting rod are connected with nuts, the left end and the right end of the supporting rod penetrate through and extend to the outside of the connecting rod, the right side of the top of the containing box is movably connected with a bottom plate, one end of the left end and the right end of the bottom plate are fixedly connected with a fixed block, one end of the fixed block penetrates through and extends to the top of the containing box, the left side of the bottom plate is movably connected with a cushion, the left side of the inner cavity of the regulating plate is movably connected with a movable block, the right side of the inner cavity of the regulating plate is fixedly connected with a, the left side of the outer surface of the adjusting plate is provided with a sliding groove.

Preferably, the bottom of the inner cavity of the containing box is provided with a moving groove, the moving groove is matched with the sliding block, the left side of the top of the containing box is provided with a moving hole, and the moving hole is matched with the connecting rod.

Preferably, the left side fixedly connected with screw thread of threaded rod surface, the thread groove has been seted up to the inside of connecting block, the thread groove is with the screw thread looks adaptation of threaded rod surface.

Preferably, the top of the connecting rod is provided with a fixing groove, and the front surface and the back surface of the fixing groove are respectively positioned in the same plane with the bottom of the front surface and the bottom of the back surface of the supporting rod.

Preferably, a movable hole is formed in the baffle, the movable hole is matched with the connecting rod, and the movable hole are located in the same vertical plane.

Preferably, the size of movable block is greater than the size around the spout, movable block and activity seat looks adaptation, the containing box is inside cavity and the front rectangle that lacks.

(III) advantageous effects

Compared with the prior art, the utility model provides a sofa convenient to adjust back angle possesses following beneficial effect:

1. the sofa convenient for adjusting the angle of the backrest comprises a servo motor, wherein the servo motor rotates forwards and backwards to drive a threaded rod to rotate forwards and backwards, a thread groove in a connecting block is in contact with threads on the left side of the outer surface of the threaded rod and generates dislocation, a sliding block, a containing box and a connecting rod limit the connecting block to do circular motion along with the threaded rod, so that the connecting block moves leftwards and rightwards, and further the supporting rod moves leftwards and rightwards, the right side of an adjusting plate is movably connected with the left side of a bottom plate, when the supporting rod moves leftwards or rightwards, the adjusting plate makes ninety-degree circular motion at the joint of the adjusting plate and the bottom plate, the adjusting plate moves more stably along with the supporting rod through a movable block, meanwhile, the adjusting plate cannot be separated from the supporting rod due to external force, the fixed, when a person uses the sofa, the angle of the adjusting plate can be adjusted only by starting the servo motor, the sofa is convenient to use, has a simple integral structure and is suitable for various conditions.

2. This sofa convenient to adjust back angle, through setting up the cushion, make more comfortable when the people sit on the sofa, when this sofa does not use or needs the transport, take out the nut from connecting rod and bracing piece, take off the cushion, remove the bracing piece from the fixed slot at connecting rod top, promote the regulating plate simultaneously, the right side that makes the regulating plate contacts with the top of bottom plate, the area that regulating plate and bottom plate placed has been reduced, move regulating plate and bottom plate simultaneously, make the fixed block take out from the containing box is inside, open the dodge gate, with the regulating plate, the top of baffle is put into to bottom plate and cushion, the device is whole easily to be moved and place, through with the regulating plate, the bottom plate is put into with the cushion and is placed incasement portion, the area of placing has been reduced, also convenient the removal simultaneously, easy to use.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an external view of the storage box, the support rod and the connecting rod of the present invention;

fig. 3 is a left side view of the adjusting plate of the present invention.

In the figure: the automatic lifting device comprises a storage box 1, a servo motor 2, a threaded rod 3, a stabilizing block 4, a sliding block 5, a bearing seat 6, a connecting block 7, a baffle 8, a connecting rod 9, a fixing block 10, a bottom plate 11, an adjusting plate 12, a supporting rod 13, a nut 14, a movable block 15, a soft cushion 16, a movable seat 17, a movable door 18 and a sliding groove 19.

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.

Referring to fig. 1-3, the present invention provides a technical solution: a sofa convenient for adjusting the angle of a backrest comprises a containing box 1, a servo motor 2 is fixedly connected to the bottom of the inner cavity of the containing box 1, the type of the servo motor 2 can be ECMA-C20604RS, the containing box 1 is a rectangle which is hollow inside and lacks in the front side, a moving groove is formed in the bottom of the inner cavity of the containing box 1 and is matched with a sliding block 5, a stabilizing hole is formed in the right side of the top of the containing box 1 and is matched with a fixed block 10, a moving hole is formed in the left side of the top of the containing box 1 and is matched with a connecting rod 9, a movable door 18 is movably connected to the front side of the containing box 1 through a hinge, a threaded rod 3 is fixedly connected to an output shaft of the servo motor 2, threads are fixedly connected to the left side of the outer surface of the threaded rod 3, thread grooves are formed in the inside of the connecting block 7 and are matched with threads, the inner part of the stabilizing block 4 is provided with a through hole which is matched with the threaded rod 3, the bottom of the stabilizing block 4 is fixedly connected with the bottom of the inner cavity of the containing box 1, the left side of the outer surface of the threaded rod 3 is connected with a connecting block 7 in a threaded manner, the left side of the threaded rod 3 is fixedly connected with a bearing seat 6, the left side of the bearing seat 6 is fixedly connected with the left side of the inner cavity of the containing box 1, the bottom of the connecting block 7 penetrates and extends to the inner part of the bottom wall of the containing box 1 and is fixedly connected with a slide block 5, the left side wall and the right side wall of the inner cavity of the box body 1 are fixedly connected with baffle plates 8, the inner part of each baffle plate 8 is movably connected with a connecting rod 9, the movable hole is matched with the connecting rod 9, the movable hole and the movable hole are positioned in the same vertical plane, the bottom of the connecting rod 9 is fixedly, the top of the connecting rod 9 is provided with a fixed groove, the front and the back of the fixed groove are respectively positioned in the same plane with the front bottom and the back bottom of the supporting rod 13, the inner thread of the supporting rod 13 is connected with a nut 14 with the left end and the right end both penetrating and extending to the outside of the connecting rod 9, the right side of the top of the containing box 1 is movably connected with a bottom plate 11, the left end and the right end of the bottom plate 11 are fixedly connected with a fixed block 10 with one end penetrating and extending to the top of the containing box 1, the left side of the bottom plate 11 is movably connected with an adjusting plate 12, the right side of the adjusting plate 12 and the top of the bottom plate 11 are movably connected with a soft cushion 16, the soft cushion 16 is made of emulsion foaming rubber, the emulsion foaming rubber is made of natural rubber emulsion through a foaming process, the emulsion foaming rubber can be processed into a hollow form with a, the right side of the inner cavity of the adjusting plate 12 is fixedly connected with a movable seat 17, the right side of a movable block 15 penetrates through and extends into the movable seat 17 and is movably connected with the movable seat 17, the left side of the movable block 15 is movably connected with the top of the supporting rod 13, the left side of the outer surface of the adjusting plate 12 is provided with a sliding groove 19, the size of the movable block 15 is larger than the front and back sizes of the sliding groove 19, the movable block 15 is matched with the movable seat 17, the servo motor 2 is started, the servo motor 2 rotates forwards and backwards to drive the threaded rod 3 to rotate forwards and backwards, a threaded groove in the connecting block 7 is contacted with threads on the left side of the outer surface of the threaded rod 3 and generates dislocation, the sliding block 5, the containing box 1 and the connecting rod 9 limit the connecting block 7 to do circular motion along with the threaded rod 3, so that the connecting block 7 moves leftwards, the adjusting plate 12 makes a ninety-degree circular motion at the joint of the adjusting plate 12 and the bottom plate 11, the movable block 15 enables the adjusting plate 12 to move more stably along with the supporting rod 13, meanwhile, the adjusting plate 12 cannot be separated from the supporting rod 13 due to external force, the fixed block 10 limits the movement of the bottom plate 11, thereby realizing the adjustment of the angle of the backrest, the device enables the adjusting plate 12 to freely adjust the angle of the backrest through the left-right movement of the supporting rod 13, when a person uses the sofa, only the servo motor 2 needs to be started, the adjustment of the angle of the adjusting plate 12 can be realized, the use is convenient, the whole structure is simple, the device is suitable for various conditions, the device enables the person to be more comfortable when sitting on the sofa by arranging the soft cushion 16, when the sofa is not used or needs to be carried, the nut 14 is taken out from the connecting rod 9 and the supporting rod 13, the, promote regulating plate 12 simultaneously, make the right side of regulating plate 12 and the top of bottom plate 11 contact, the area that regulating plate 12 and bottom plate 11 placed has been reduced, regulating plate 12 and bottom plate 11 are moved simultaneously, make fixed block 10 take out from containing box 1 is inside, open dodge gate 18, with regulating plate 12, bottom plate 11 and cushion 16 put into the top of baffle 8, the device is whole easily to be moved and place, through with regulating plate 12, bottom plate 11 and cushion 16 are put into and are placed inside box 1, the area of placing has been reduced, also convenient the removal simultaneously, easy to use.

When using, through setting up cushion 16, make people more comfortable when sitting on the sofa, when this sofa does not use or need carry, take out nut 14 from connecting rod 9 and bracing piece 13, take off cushion 16, remove bracing piece 13 from the fixed slot at connecting rod 9 top, promote regulating plate 12 simultaneously, make the right side of regulating plate 12 and the top of bottom plate 11 contact, the area that regulating plate 12 and bottom plate 11 placed has been reduced, move regulating plate 12 and bottom plate 11 simultaneously, make fixed block 10 take out from containing box 1 is inside, open dodge gate 18, put regulating plate 12, bottom plate 11 and cushion 16 into the top of baffle 8, the device is whole easily to be moved and place, through putting regulating plate 12, inside bottom plate 11 and cushion 16 into containing box 1, the area of placing has been reduced, simultaneously also convenient the removal, easy to use.

In conclusion, according to the sofa convenient for adjusting the backrest angle, the servo motor 2 is started, the servo motor 2 rotates forward and backward to drive the threaded rod 3 to rotate forward and backward, the thread groove in the connecting block 7 is contacted with the thread on the left side of the outer surface of the threaded rod 3 and generate dislocation, the sliding block 5, the containing box 1 and the connecting rod 9 limit the connecting block 7 to do circular motion along with the threaded rod 3, so that the connecting block 7 moves left and right, the supporting rod 13 moves left and right, the right side of the adjusting plate 12 is movably connected with the left side of the bottom plate 11, when the supporting rod 13 moves left or right, the adjusting plate 12 does ninety-degree circular motion along with the joint of the adjusting plate 12 and the bottom plate 11, the movable block 15 enables the adjusting plate 12 to move more stably along with the supporting rod 13, meanwhile, the adjusting plate 12 cannot be separated from the, the device enables the adjusting plate 12 to freely adjust the angle of the backrest through the left and right movement of the supporting rod 13, when a person uses the sofa, the adjustment of the angle of the adjusting plate 12 can be realized only by opening the servo motor 2, the sofa is convenient to use, has simple integral structure and is suitable for various conditions, the sofa is more comfortable when the person sits on the sofa through the arrangement of the soft cushion 16, when the sofa is not used or needs to be carried, the nut 14 is taken out from the connecting rod 9 and the supporting rod 13, the soft cushion 16 is taken down, the supporting rod 13 is moved out from the fixed groove at the top of the connecting rod 9, the adjusting plate 12 is pushed at the same time, the right side of the adjusting plate 12 is contacted with the top of the bottom plate 11, the placing areas of the adjusting plate 12 and the bottom plate 11 are reduced, the adjusting plate 12 and the bottom plate 11 are simultaneously moved, the fixed block 10 is taken out from the inside of the containing box 1, the device is whole easily to be moved and place, through putting into regulating plate 12, bottom plate 11 and cushion 16 and placing inside case 1, has reduced the area of placing, also convenient the removal simultaneously, and easy to use has solved the people and has sat when on the sofa, the angle of the back of being not convenient for adjust, uses for a long time, makes the people feel uncomfortable problem.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a sofa convenient to adjust back angle, includes containing box (1), its characterized in that: the bottom of the inner cavity of the containing box (1) is fixedly connected with a servo motor (2), the front of the containing box (1) is movably connected with a movable door (18) through a hinge, an output shaft of the servo motor (2) is fixedly connected with a threaded rod (3), the right side of the outer surface of the threaded rod (3) is fixedly connected with a stabilizing block (4), the bottom of the stabilizing block (4) is fixedly connected with the bottom of the inner cavity of the containing box (1), the left side of the outer surface of the threaded rod (3) is connected with a connecting block (7) through threads, the left side of the threaded rod (3) is fixedly connected with a bearing seat (6), the left side of the bearing seat (6) is fixedly connected with the left side of the inner cavity of the containing box (1), the bottom of the connecting block (7) penetrates through and extends to the inner part of the bottom wall of the containing box (1) and is fixedly connected with, the inside swing joint of baffle (8) has one end to run through and extend to connecting rod (9) of containing box (1) outside, the bottom of connecting rod (9) and the top fixed connection of connecting block (7), the top swing joint of connecting rod (9) has one end to run through and extend to bracing piece (13) inside connecting rod (9), the inside threaded connection of bracing piece (13) has both ends to run through and extend to nut (14) of connecting rod (9) outside about, the right side swing joint at containing box (1) top has bottom plate (11), both ends are all fixedly connected with one end to run through and extend to fixed block (10) at containing box (1) top about bottom plate (11), the left side swing joint of bottom plate (11) has regulating plate (12), the right side of regulating plate (12) and the equal swing joint in top of bottom plate (11) have cushion (16), the left side swing joint of regulating plate (12) inner chamber has movable block (15), the right side fixedly connected with sliding seat (17) of regulating plate (12) inner chamber, the right side of movable block (15) run through and extend to the inside of sliding seat (17) and with sliding seat (17) swing joint, the left side of movable block (15) and the top swing joint of bracing piece (13), spout (19) have been seted up in the left side of regulating plate (12) surface.

2. The sofa of claim 1, wherein the backrest angle is adjustable by: the bottom of the inner cavity of the containing box (1) is provided with a moving groove, the moving groove is matched with the sliding block (5), the left side of the top of the containing box (1) is provided with a moving hole, and the moving hole is matched with the connecting rod (9).

3. The sofa of claim 1, wherein the backrest angle is adjustable by: the left side fixedly connected with screw thread of threaded rod (3) surface, the thread groove has been seted up to the inside of connecting block (7), the thread groove is with the screw thread looks adaptation of threaded rod (3) surface.

4. The sofa of claim 1, wherein the backrest angle is adjustable by: the top of the connecting rod (9) is provided with a fixing groove, and the front surface and the back surface of the fixing groove are respectively positioned in the same plane with the bottom of the front surface and the bottom of the back surface of the supporting rod (13).

5. A sofa for facilitating adjustment of backrest angle according to claim 1 or 2, wherein: the baffle plate (8) is internally provided with a movable hole, the movable hole is matched with the connecting rod (9), and the movable hole are positioned in the same vertical plane.

6. The sofa of claim 1, wherein the backrest angle is adjustable by: the size of movable block (15) is greater than the size around spout (19), movable block (15) and sliding seat (17) looks adaptation, containing box (1) is inside cavity and the front rectangle that lacks.