CN217013319U

CN217013319U - Sofa bed with retractable backrest seat

Info

Publication number: CN217013319U
Application number: CN202123407660.6U
Authority: CN
Inventors: 殷志勇; 刘琴波; 刘涛
Original assignee: Nantong Daiobi Intelligent Technology Co ltd
Current assignee: Nantong Daiobi Intelligent Technology Co ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-07-22
Anticipated expiration: 2031-12-31

Abstract

The utility model discloses a sofa bed with a retractable backrest seat, which comprises a first sofa cushion, wherein one end of two sides of the first sofa cushion is fixedly provided with a fixed plate, two ends of one side of one fixed plate are fixedly provided with a first fixed block, one side of one first fixed block is fixedly provided with a servo motor, the sofa bed is provided with a servo motor, a lead screw, a first movable block, a support rod, a support shaft, a first connecting piece, a second connecting piece and a second sofa cushion, the elastic piece is pressed inwards to move the second connecting piece upwards until the elastic piece is inserted into and connected with a second clamping hole, then a servo motor switch is controlled, the servo motor works to drive the lead screw to rotate, the lead screw rotates to electrically drive the first movable block to move leftwards so as to drive the second sofa cushion to rotate leftwards until the support rod rotates to a horizontal position, and the sofa with the mode can be automatically overturned, and the sofa does not need to be moved, the whole process is time-saving and labor-saving, and the safety is high.

Description

Sofa bed with retractable backrest seat

Technical Field

The utility model relates to the field of sofa beds, in particular to a sofa bed with a retractable backrest seat.

Background

The sofa bed is dual-purpose furniture capable of being used as a sofa and a bed, under the common condition, the sofa bed can be placed in a living room or a study room and serves as a seat, a guest can unfold the sofa bed at night, and a bed is formed by laying bedding, so that the sofa bed is more and more popular with people due to the advantages of being small in occupied space, easy to carry, multipurpose and the like.

In the current life, when some traditional sofa bed back seats shrink and turn into the bed form, because the flip angle of back seat is great, if the sofa leans on the wall to set up, then need move the sofa bed to apart from the certain distance of wall, then support the back seat through the staff and overturn, whole upset development process is wasted time and energy, and has certain danger, consequently needs a collapsible sofa bed of back seat

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a sofa sleeper with a retractable backrest to solve the above problems.

In order to achieve the purpose, the utility model provides the following technical scheme: a sofa bed with a retractable backrest seat comprises a first sofa cushion, wherein one end of both sides of the first sofa cushion is fixedly provided with a fixing plate, two ends of one side of one of the fixing plates are fixedly provided with a first fixing block, one side of one of the first fixing blocks is fixedly provided with a servo motor, a screw rod is fixedly arranged at the output end of the servo motor, one end of the screw rod is rotatably arranged at one side of the other first fixed block, a first moving block is inserted into the outer wall of the screw rod, the outer wall of the screw rod is in threaded connection with the inner wall of the first moving block, one side of the first moving block is rotatably provided with a support rod, one end of one side of the supporting rod is fixedly provided with a supporting shaft, one end of the supporting shaft is rotatably arranged on one side of the first connecting piece, the top end of the first connecting piece is inserted with a second connecting piece, and one side of the second connecting piece is fixedly arranged on one side of the second sofa cushion.

Preferably, the other side of the second sofa cushion is symmetrically provided with a first connecting piece and a supporting rod connecting device, the other end of one side of the supporting rod is rotatably arranged on one side of a second moving block, one side of the second moving block is inserted into one side of the outer wall of a sliding rod, a spring is sleeved on the other side of the outer wall of the sliding rod, two ends of the sliding rod are respectively fixedly arranged on one side of two second fixed blocks, and one side of each of the two second fixed blocks is respectively fixedly arranged on two ends of one side of the other fixed plate.

Preferably, the other sides of the first moving block and the second moving block are both fixedly provided with sliding blocks, the outer walls of the two sliding blocks are respectively arranged on the inner walls of the two sliding grooves in a sliding manner, and the two sliding grooves are respectively arranged in the middle of one side of the two fixed plates.

Preferably, two one side of second connecting piece all is fixed and is equipped with the elastic component, two the outer wall of elastic component alternates respectively and sets up the inner wall in two card holes, two the card hole is seted up respectively in a avris of two first connecting pieces.

Preferably, one end of the spring is fixedly connected with one side of the second moving block, and the other end of the spring is fixedly connected with one side of one of the second fixed blocks.

Preferably, one of them the opposite side of first fixed block is fixed and is equipped with control panel, control panel's fixed surface is equipped with the servo motor switch, servo motor passes through servo motor switch and external power supply electric connection.

The utility model has the technical effects and advantages that:

(1) this sofa bed that back seat is collapsible, through being equipped with servo motor, the lead screw, first movable block, the bracing piece, the back shaft, first connecting piece, the second sofa pad, press down the elastic component inwards with second connecting piece rebound, it is connected to alternate with second card hole to the elastic component, then control servo motor switch, servo motor work drives the lead screw and rotates, the lead screw rotates electronic first movable block and removes left, and then drive second sofa pad and rotate left, rotate to horizontal position to the bracing piece, can overturn second sofa pad automatically through this kind of mode, and need not to move the sofa, whole process labour saving and time saving, and the security is high.

(2) This collapsible sofa bed of back seat through being equipped with second movable block, spring, can drive the second movable block and move left at second sofa pad upset in-process left, and the second movable block moves left and stretches the spring, cushions second sofa pad under the elastic deformation of spring, prevents that it from descending suddenly and colliding with ground to protect second sofa pad.

Drawings

FIG. 1 is a schematic view of the structure of the present invention.

FIG. 2 is a schematic view of the turnover mechanism of the present invention.

FIG. 3 is a schematic view of the inner wall connection structure of the second connecting member of the present invention.

In the figure: 1. a first sofa cushion; 2. a fixing plate; 3. a first fixed block; 4. a servo motor; 5. a lead screw; 6. a first moving block; 7. a support bar; 8. a support shaft; 9. a first connecting member; 10. a second connecting member; 11. a second sofa cushion; 12. an elastic member; 13. a second moving block; 14. a slide bar; 15. a spring; 16. a second fixed block; 17. a slide block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

The utility model provides a sofa bed with a retractable backrest seat as shown in figures 1-3, which comprises a first sofa cushion 1, wherein fixed plates 2 are fixedly arranged at one ends of two sides of the first sofa cushion 1, a first fixed block 3 is fixedly arranged at two ends of one side of one fixed plate 2, a servo motor 4 is fixedly arranged at one side of one first fixed block 3, a lead screw 5 is fixedly arranged at the output end of the servo motor 4, one end of the lead screw 5 is rotatably arranged at one side of the other first fixed block 3, a first moving block 6 is inserted into the outer wall of the lead screw 5, the outer wall of the lead screw 5 is in threaded connection with the inner wall of the first moving block 6, a support rod 7 is rotatably arranged at one side of the first moving block 6, a support shaft 8 is fixedly arranged at one end of one side of the support rod 7, one end of the support shaft 8 is rotatably arranged at one side of a first connecting piece 9, the bottom end of the other side of the first connecting piece 9 is rotatably connected with the other end of one side of the first sofa cushion 1, the top end of the first connecting piece 9 is inserted with a second connecting piece 10, one side of the second connecting piece 10 is fixedly arranged at one side of a second sofa cushion 11, the other side of the second sofa cushion 11 is symmetrically provided with a first connecting piece and supporting rod 7 connecting device, one end of one side of another supporting rod 7 is rotatably arranged at one side of a second moving block 13, one side of the second moving block 13 is inserted at one side of the outer wall of a sliding rod 14, the other side of the outer wall of the sliding rod 14 is sleeved with a spring 15, two ends of the sliding rod 14 are respectively fixedly arranged at one side of two second fixed blocks 16, one side of each of the two second fixed blocks 16 is respectively fixedly arranged at two ends of one side of another fixed plate 2, the other sides of the first moving block 6 and the second moving block 13 are both fixedly provided with a sliding block 17, the outer walls of the two sliding blocks 17 are respectively slidably arranged at the inner walls of the two sliding grooves, the two sliding grooves are respectively arranged at the middle part of one side of the two fixed plates 2, one end of the spring 15 is fixedly connected with one side of the second moving block 13, the other end of the spring 15 is fixedly connected with one side of one of the second fixing blocks 16, the other side of one of the first fixing blocks 3 is fixedly provided with a control panel, a servo motor switch is fixedly arranged on the surface of the control panel, and the servo motor 4 is electrically connected with an external power supply through the servo motor switch.

The utility model provides a sofa bed with a retractable backrest seat, as shown in fig. 3, wherein elastic pieces 12 are fixedly arranged on one sides of two second connecting pieces 10, the outer walls of the two elastic pieces 12 are respectively inserted into the inner walls of two clamping holes, the two clamping holes are respectively formed in one side of each of two first connecting pieces 9, and two clamping holes are formed in one side of each of the first connecting pieces 9.

The working principle of the utility model is as follows: when the second sofa cushion 11 is turned over, firstly, the two elastic pieces 12 are pressed inwards to separate the outer walls of the elastic pieces 12 from the clamping holes on one side of the first connecting piece 9, then the second sofa cushion 11 is moved upwards, the second sofa cushion 11 is moved upwards to respectively drive the two second connecting pieces 10 to move upwards until the elastic pieces 12 are inserted into the second clamping holes, then a servo motor switch is opened in the control panel, a servo motor 4 works to drive a lead screw 5 to rotate, the lead screw 5 rotates to drive a first movable block 6 to move leftwards, the first movable block 6 moves leftwards to drive a support rod 7 to rotate downwards, the support rod 7 rotates downwards to drive the first connecting piece 9 to rotate leftwards through a support shaft 8, then the second sofa cushion 11 is driven to rotate leftwards through the second connecting piece 10 until the support rod 7 rotates to the horizontal position, at the moment, one side of the second sofa cushion 11 is contacted with the ground, and the second sofa cushion 11 can be automatically turned over in this way, and need not to move the sofa, whole process labour saving and time saving, the security is high, secondly, at the in-process that second sofa cushion 11 overturns, drive another bracing piece 7 through the connecting piece and rotate downwards, another bracing piece 7 rotates downwards and drives second movable block 13 and move left, and then stretch spring 15, cushions second sofa cushion 11 under spring 15's elastic deformation, prevents that it from descending suddenly and colliding with ground to protect second sofa cushion 11.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "secured" are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts thereof; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The standard parts used by the utility model can be purchased from the market, and the special-shaped parts can be customized according to the description and the description of the attached drawings.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments 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

1. A sofa bed with a retractable backrest seat comprises a first sofa cushion (1) and is characterized in that fixed plates (2) are fixedly arranged at one ends of two sides of the first sofa cushion (1), a first fixed block (3) is fixedly arranged at each end of one side of one of the fixed plates (2), a servo motor (4) is fixedly arranged at one side of one of the first fixed blocks (3), a lead screw (5) is fixedly arranged at the output end of the servo motor (4), one end of the lead screw (5) is rotatably arranged at one side of the other first fixed block (3), a first moving block (6) is arranged on the outer wall of the lead screw (5) in an inserting mode, the outer wall of the lead screw (5) is in threaded connection with the inner wall of the first moving block (6), a support rod (7) is rotatably arranged at one side of the first moving block (6), a support shaft (8) is fixedly arranged at one end of one side of the support rod (7), one end of the supporting shaft (8) is rotatably arranged on one side of the first connecting piece (9), the top end of the first connecting piece (9) is inserted with the second connecting piece (10), and one side of the second connecting piece (10) is fixedly arranged on one side of the second sofa cushion (11).

2. The sofa bed with the retractable backrest seat as claimed in claim 1, wherein the other side of the second sofa cushion (11) is symmetrically provided with a connecting device of a first connecting piece and a supporting rod (7), one end of one side of the other supporting rod (7) is rotatably arranged on one side of a second moving block (13), one side of the second moving block (13) is inserted and arranged on one side of the outer wall of a sliding rod (14), the other side of the outer wall of the sliding rod (14) is sleeved with a spring (15), two ends of the sliding rod (14) are respectively and fixedly arranged on one side of two second fixing blocks (16), and one side of each of the two second fixing blocks (16) is respectively and fixedly arranged on two ends of one side of the other fixing plate (2).

3. The sofa bed with the retractable backrest seat as claimed in claim 2, wherein the other side of the first moving block (6) and the other side of the second moving block (13) are both fixedly provided with a sliding block (17), the outer walls of the two sliding blocks (17) are respectively slidably arranged on the inner walls of two sliding grooves, and the two sliding grooves are respectively arranged in the middle of one side of the two fixing plates (2).

4. The sofa bed with the retractable backrest seat as claimed in claim 1, wherein the elastic member (12) is fixed on one side of each of the two second connecting members (10), the outer wall of each of the two elastic members (12) is inserted into the inner wall of each of the two locking holes, and the two locking holes are opened on one side of each of the two first connecting members (9).

5. The sofa bed with the retractable backrest seat as claimed in claim 2, wherein one end of the spring (15) is fixedly connected with one side of the second moving block (13), and the other end of the spring (15) is fixedly connected with one side of one of the second fixed blocks (16).

6. The sofa bed with the retractable backrest seat as claimed in claim 1, wherein a control panel is fixed on the other side of one of the first fixing blocks (3), a servo motor switch is fixed on the surface of the control panel, and the servo motor (4) is electrically connected with an external power supply through the servo motor switch.