CN221060139U - Folding sofa - Google Patents

Abstract

The utility model discloses a folding sofa, which comprises a main support frame, wherein the top of the main support frame is fixedly connected with a cushion, the top of the main support frame is fixedly connected with a back cushion, one side of the back cushion is sleeved with a 匚 type cushion in a sliding way, and the main support frame is provided with an extension mechanism; the utility model relates to the technical field of furniture and sofa, and discloses an extension mechanism, which comprises an extension frame, wherein the extension frame is connected to one side of a support main frame in a sliding and penetrating manner, an extension pad is fixedly connected to one side of the extension frame, and two threaded rods are rotatably connected to the inner wall of one side of the support main frame; this folding sofa can remove the extension frame outside supporting the body frame through the extending mechanism that sets up to can expand the space of cushion, and can take off 匚 type cushion on the cushion and put into on the extension frame, thereby make it can keep the parallel and level with the cushion, improve user's travelling comfort.

Description

Folding sofa

Technical Field

The utility model relates to the technical field of furniture sofas, in particular to a folding sofa.

Background

Along with the continuous improvement of living standard of people, the modern living room arrangement is advocated and concise, and multifunctional furniture becomes more and more a choice for the public, so that the sofa is one. In small-sized living rooms, a sofa is indispensable for meeting occasional living needs of visitors, and in general, the sofa can be placed in a living room or a study room to serve as a seat, and it is attractive to select a proper sofa, and the sofa bed is required to be firm and durable for meeting sitting and lying functions, and meanwhile, the placing space can be saved.

The publication number CN 219845777U discloses a folding sofa, which comprises a side plate I, a side plate II, a cushion connected between the side plate I and the side plate II and a cushion rotationally connected to the side surface of the cushion; also comprises an adjusting and supporting component for adjusting the back cushion, the adjusting support assembly comprises two bases connected to the same side face of the seat cushion, ball screws connected to the inner side face of each base port, sliding support cylinders connected to each ball screw, support rods rotatably connected to each sliding support cylinder and rotatably connected to the other end of each sliding support cylinder and the back face of the back cushion, and a rotating wheel sleeved at the end of each ball screw rod and connected with the side face of the base through a belt, and a servo motor connected with the rotating wheel in a butt joint mode. In the utility model, the stable adjustment of the angle of the back cushion can be realized by adjusting the design of the supporting component, so that the requirements of different users are met; meanwhile, the functions of the sofa and the bed can be conveniently interchanged, and the sofa and the bed have the characteristics of reasonable structural design, convenient assembly, high comfort level and strong practicability.

However, the folding sofa has the following defects that the sofa can realize the conversion effect of the sofa and the bed by putting the back cushion flat when in use, but the sofa occupies a large amount of ground space in actual use, regardless of the form of the sofa or the form of the bed, and the space requirement in daily use is affected.

To this end, the present utility model provides a folding sofa to solve the above-mentioned problems.

Disclosure of utility model

Aiming at the defects of the prior art, the utility model provides a folding sofa, which solves the problems.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the foldable sofa comprises a main support frame, wherein a cushion is fixedly connected to the top of the main support frame, a 匚 type cushion is sleeved on one side of the cushion in a sliding manner, and an extension mechanism is arranged on the main support frame;

The extension mechanism comprises an extension frame which is connected to one side of the support main frame in a sliding penetrating mode, an extension pad is fixedly connected to one side of the extension frame, two threaded rods are connected to one side inner wall of the support main frame in a rotating mode, one ends of the threaded rods extend into the extension frame, a movable plate is sleeved on each threaded rod in a threaded mode, two connecting rods are fixedly connected to one side of each movable plate, and one ends of the connecting rods are connected with one side of the extension pad.

Preferably, two all fixed cover is equipped with driven bevel gear on the threaded rod, one side inner wall fixedly connected with of supporting the body frame two fixed plates, two rotate on the fixed plate and run through and be connected with same transmission shaft, the equal fixedly connected with transmission bevel gear in both ends of transmission shaft, transmission bevel gear meshes with corresponding driven bevel gear mutually, and driven bevel gear, fixed plate, transmission shaft and transmission bevel gear collocation through setting up use can conveniently control two threaded rod synchronous rotations to the messenger extends the frame and can steady removal.

Preferably, a servo motor is fixedly connected to one side inner wall of the supporting main frame, a driving bevel gear is fixedly connected to an output shaft of the servo motor, the driving bevel gear is meshed with a corresponding driven bevel gear, and the driven bevel gear can be conveniently controlled to rotate through the matched use of the set servo motor and the driving bevel gear.

Preferably, the inner wall fixedly connected with two symmetric distribution's of extension frame locating plate, one side inner wall fixedly connected with two slide bars of supporting the body frame, two the slide bar slides respectively and runs through the locating plate that corresponds, fixed cover is equipped with two limit baffle on the slide bar, and locating plate, slide bar and limit baffle collocation through setting up use can make the extension board steadily remove, prevent its travel distance too big simultaneously and support the body frame and drop.

Preferably, a plurality of first adaptation grooves have been seted up to one side of cushion, one side fixedly connected with of 匚 type cushion a plurality of semicircle strips, one side slip of semicircle strip extends to corresponding first adaptation inslot, a plurality of second adaptation grooves have been seted up at the top of extending the frame, and through the first adaptation groove, semicircle strip and the second adaptation groove collocation use that set up can be convenient with 匚 type cushion steady place on cushion or extension frame.

Preferably, the top fixedly connected with of supporting the body frame two symmetrically distributed's handrail, one side fixedly connected with of handrail accomodates the bag, can improve user's travelling comfort through the handrail that sets up, can support 匚 type cushion simultaneously and tightly on the cushion, prevent its slope.

Preferably, the bottom fixedly connected with of supporting the body frame is a plurality of first pillars, the bottom fixedly connected with of stretching the pad is two second pillars, and the first pillar that through setting up and second pillar collocation use can conveniently support the body frame with stretching the pad, makes things convenient for its steady placing.

Preferably, the one side inner wall fixedly connected with battery of support body frame, one side outer wall fixedly connected with control panel of support body frame, the battery and the control panel collocation through setting up use can conveniently control servo motor, and convenience of customers uses.

Advantageous effects

The utility model provides a folding sofa. Compared with the prior art, the method has the following beneficial effects:

(1) This folding sofa can remove the extension frame outside supporting the body frame through the extending mechanism that sets up to can expand the space of cushion, and can take off 匚 type cushion on the cushion and put into on the extension frame, thereby make it can keep the parallel and level with the cushion, improve user's travelling comfort.

(2) This folding sofa can drive single threaded rod through the servo motor that sets up and rotate to drive another threaded rod through the transmission shaft that sets up and carry out synchronous rotation, thereby make two movable plates can synchronous movement, conveniently extend the steady removal of frame.

Drawings

FIG. 1 is a perspective view of the external structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of the extension frame of the present utility model as it extends from the support frame;

FIG. 3 is a schematic view of the structure of the extension frame of the present utility model;

fig. 4 is an assembly view of a 匚 -type cushion of the present utility model placed on an extension frame.

In the figure: 1. a support main; 2. a cushion; 3. a back cushion; 4.匚 type soft pad; 5. an extension frame; 6. an extension pad; 7. a threaded rod; 8. a moving plate; 9. a connecting rod; 10. a driven bevel gear; 11. a fixing plate; 12. a transmission shaft; 13. a drive bevel gear; 14. a servo motor; 15. driving a bevel gear; 16. a positioning plate; 17. a slide bar; 18. a limit baffle; 19. a first fitting groove; 20. a semicircular strip; 21. a second fitting groove; 22. an armrest; 23. a storage bag; 24. a first support column; 25. a second support; 26. a storage battery; 27. and a control panel.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Embodiment one:

Referring to fig. 1 and 2, a foldable sofa comprises a main support frame 1, wherein a cushion 2 is fixedly connected to the top of the main support frame 1, a cushion 3 is fixedly connected to the top of the main support frame 1, a 匚 type cushion 4 is sleeved on one side of the cushion 3 in a sliding manner, and an extension mechanism is arranged on the main support frame 1;

the stretching mechanism comprises an extending frame 5 which is connected to one side of the supporting main frame 1 in a sliding and penetrating manner, one side of the extending frame 5 is fixedly connected with a stretching pad 6, one side inner wall of the supporting main frame 1 is rotatably connected with two threaded rods 7, one ends of the two threaded rods 7 extend into the extending frame 5, moving plates 8 are sleeved on the two threaded rods 7 in a threaded manner, one side of the moving plates 8 is fixedly connected with two connecting rods 9, and one ends of the connecting rods 9 are connected with one side of the stretching pad 6; two symmetrically distributed armrests 22 are fixedly connected to the top of the supporting main frame 1, and a storage bag 23 is fixedly connected to one side of each armrest 22; the bottom of the supporting main frame 1 is fixedly connected with a plurality of first struts 24, and the bottom of the stretching pad 6 is fixedly connected with two second struts 25.

Embodiment two:

Referring to fig. 1 to 4, the present embodiment provides a technical solution based on the first embodiment: the two threaded rods 7 are fixedly sleeved with driven bevel gears 10, two fixing plates 11 are fixedly connected to the inner wall of one side of the supporting main frame 1, the two fixing plates 11 are rotatably and penetratingly connected with the same transmission shaft 12, two ends of the transmission shaft 12 are fixedly connected with transmission bevel gears 13, and the transmission bevel gears 13 are meshed with the corresponding driven bevel gears 10; a servo motor 14 is fixedly connected to the inner wall of one side of the supporting main frame 1, a driving bevel gear 15 is fixedly connected to an output shaft of the servo motor 14, and the driving bevel gear 15 is meshed with the corresponding driven bevel gear 10; the inner wall of the extension frame 5 is fixedly connected with two symmetrically distributed positioning plates 16, the inner wall of one side of the support main frame 1 is fixedly connected with two sliding rods 17, the two sliding rods 17 respectively penetrate through the corresponding positioning plates 16 in a sliding way, two limit baffles 18 are fixedly sleeved on the sliding rods 17, and the limit baffles 18 are made of wear-resistant plastic materials; a plurality of first adapting grooves 19 are formed in one side of the back cushion 3, a plurality of semicircular strips 20 are fixedly connected to one side of the 匚 type cushion 4, one side of each semicircular strip 20 slides and extends into the corresponding first adapting groove 19, and a plurality of second adapting grooves 21 are formed in the top of the extending frame 5; the inner wall of one side of the supporting main frame 1 is fixedly connected with a storage battery 26, the outer wall of one side of the supporting main frame 1 is fixedly connected with a control panel 27, and the storage battery 26, the control panel 27 and the servo motor 14 are all electrically connected.

And all that is not described in detail in this specification is well known to those skilled in the art.

When the folded extension frame 5 needs to be unfolded, a user only needs to press the control panel 27 supporting the side surface of the main frame 1, the control panel 27 controls the servo motor 14 to start, the servo motor 14 drives the driven bevel gear 10 meshed with the servo motor to rotate through the driving bevel gear 15, the driven bevel gear 10 drives the transmission bevel gear 13 meshed with the driven bevel gear to rotate, the transmission bevel gear 13 drives the other transmission bevel gear 13 to rotate through the transmission shaft 12, the other transmission bevel gear 13 drives the other driven bevel gear 10 to rotate, at the moment, the two threaded rods 7 keep synchronous reverse rotation, the threaded rods 7 drive the movable plate 8 in threaded connection with the threaded rods to move, the movable plate 8 drives the extension cushion 6 to move through the connecting rods 9, then the 匚 type cushion 4 is pulled out of the cushion 3, and the cushion is placed above the extension frame 5 to keep flush with the cushion 2.

It is noted that relational terms such as first and second, and the like are 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. Moreover, 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.

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

Claims (8)

1. The utility model provides a foldable sofa, includes support body frame (1), its characterized in that: the cushion is characterized in that the top of the supporting main frame (1) is fixedly connected with a cushion (2), the top of the supporting main frame (1) is fixedly connected with a cushion (3), one side of the cushion (3) is sleeved with a 匚 type cushion (4) in a sliding manner, and the supporting main frame (1) is provided with an extending mechanism;

The extension mechanism comprises an extension frame (5) which is connected to one side of a supporting main frame (1) in a sliding penetrating mode, an extension pad (6) is fixedly connected to one side of the extension frame (5), two threaded rods (7) are rotatably connected to one side inner wall of the supporting main frame (1), one ends of the threaded rods (7) are all extended into the extension frame (5), a movable plate (8) is sleeved on each threaded rod (7) in a threaded mode, two connecting rods (9) are fixedly connected to one side of the movable plate (8), and one ends of the connecting rods (9) are connected with one side of the extension pad (6).

2. A folding sofa according to claim 1, characterized in that: two all fixed cover is equipped with driven bevel gear (10) on threaded rod (7), one side inner wall fixedly connected with two fixed plates (11) of supporting body frame (1), two rotate on fixed plate (11) and run through and be connected with same transmission shaft (12), the equal fixedly connected with transmission bevel gear (13) in both ends of transmission shaft (12), transmission bevel gear (13) meshes with driven bevel gear (10) that correspond mutually.

3. A folding sofa according to claim 2, characterized in that: one side inner wall of the supporting main frame (1) is fixedly connected with a servo motor (14), an output shaft of the servo motor (14) is fixedly connected with a driving bevel gear (15), and the driving bevel gear (15) is meshed with a corresponding driven bevel gear (10).

4. A folding sofa according to claim 1, characterized in that: the inner wall fixedly connected with two symmetrically distributed locating plates (16) of extension frame (5), the one side inner wall fixedly connected with two slide bars (17) of support body frame (1), two slide bars (17) slip respectively runs through corresponding locating plate (16), fixed cover is equipped with two limit baffle (18) on slide bar (17).

5. A folding sofa according to claim 1, characterized in that: a plurality of first adaptation grooves (19) have been seted up to one side of cushion (3), one side fixedly connected with a plurality of semicircle strips (20) of 匚 cushion (4), one side slip of semicircle strip (20) extends to in corresponding first adaptation groove (19), a plurality of second adaptation grooves (21) have been seted up at the top of extension frame (5).

6. A folding sofa according to claim 1, characterized in that: the top of the supporting main frame (1) is fixedly connected with two symmetrically distributed armrests (22), and one side of each armrest (22) is fixedly connected with a storage bag (23).

7. A folding sofa according to claim 1, characterized in that: the bottom of the supporting main frame (1) is fixedly connected with a plurality of first struts (24), and the bottom of the stretching pad (6) is fixedly connected with two second struts (25).

8. A folding sofa according to claim 1, characterized in that: the storage battery (26) is fixedly connected to the inner wall of one side of the supporting main frame (1), and the control panel (27) is fixedly connected to the outer wall of one side of the supporting main frame (1).