CN111887652B

CN111887652B - Multifunctional sofa

Info

Publication number: CN111887652B
Application number: CN202010706732.8A
Authority: CN
Inventors: 张崇卫
Original assignee: Jiaxing Jiujiulong Smart Home Technology Co ltd
Current assignee: Jiaxing Jiujiulong Smart Home Technology Co ltd
Priority date: 2020-07-22
Filing date: 2020-07-22
Publication date: 2022-02-11
Anticipated expiration: 2040-07-22
Also published as: CN111887652A

Abstract

The invention discloses a multifunctional sofa, which comprises a sofa underframe, sofa handrails arranged on two sides of the sofa underframe, a sofa seat and a sofa backrest arranged above the sofa underframe, wherein a movable frame is arranged below the sofa underframe, two sides of the movable frame are connected to the inner wall of the sofa underframe in a sliding manner, a screw rod mechanism for driving the movable frame to move is arranged below the sofa underframe, a mattress is arranged at the upper end of the movable frame, two front support assemblies and two rear support assemblies are respectively arranged at the front and rear positions between the movable frame and the mattress, an electric push rod for driving the mattress to ascend and descend is arranged at the middle position of the rear side of the movable frame, the upper end of the rear support assembly and the upper end of the electric push rod are respectively connected with the lower surface of the mattress in a rotating manner, and a front baffle assembly is arranged at the front side of the movable frame.

Description

Multifunctional sofa

Technical Field

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

Background

The sofa is one of the essential intelligent furniture in modern home life, and the sofa is mainly used for providing a place for people to sit and have a rest, and the common sofa can be placed in a living room, so that convenience is provided for leisure and entertainment of owners and guests.

The sofa in the prior art has a single function, and sometimes people need to put legs after sitting on the sofa, but most sofas do not have the function, so that people sitting on the sofa cannot experience good comfort. In addition, sometimes people need to lie on the sofa for a while to have a rest, but most sofas cannot have a good rest due to the small area when lying down for a rest, do not have the comfort of a bed, and have poor user experience.

Disclosure of Invention

The invention aims to provide a multifunctional sofa which can provide more functions and better experience for users, a movable mattress is hidden under a sofa seat, and the mattress is contained under the sofa in normal use, so that the floor area of the sofa is reduced. People need to put legs or lie down to shift out the mattress from the sofa below to use when having a rest, and the inclination angle of the mattress can be adjusted, so that the user is more comfortable when putting legs or lying down to have a rest.

The technical purpose of the invention is realized by the following technical scheme: the utility model provides a multifunctional sofa, includes the sofa chassis, set up in the sofa handrail of sofa chassis both sides, set up in sofa seat and the sofa back of sofa chassis top, the below of sofa chassis is provided with removes the frame, the both sides sliding connection that remove the frame in the inner wall of sofa chassis, the below of sofa chassis is provided with the drive remove the screw rod mechanism that the frame removed, the upper end of removing the frame is provided with the mattress, the front and back position between removing frame and the mattress is provided with two preceding supporting component and two back supporting component respectively, the intermediate position of removing the frame rear side is provided with the drive the electric putter that the mattress goes up and down, the upper end of back supporting component and electric putter's upper end respectively with the lower surface of mattress rotates to be connected, the front side of removing the frame is provided with the forestock subassembly.

Through above-mentioned technical scheme, can shift out and immigration sofa base by automatic control through screw rod mechanism, electric putter can make its and sofa seat parallel and level with the rear side jack-up of mattress, the user and can change the inclination that highly adjusts the mattress of mattress front side, make its function scene that is applicable to better.

The invention is further configured to: the sofa comprises a sofa chassis and is characterized in that a cross rod is arranged below the front side of the sofa chassis, the two ends of the cross rod are fixed on the inner wall of the sofa chassis, an installation block is arranged in the middle of the rear side of the sofa chassis, an installation plate is arranged between the cross rod and the installation block, and a screw rod mechanism is installed at the upper end of the installation plate.

Through the technical scheme, the force generated by the screw rod mechanism to the movable frame can act on the middle position of the movable frame, so that the movable frame can be better moved.

The invention is further configured to: the screw rod mechanism comprises a front screw rod, a rear screw rod, a servo motor and a moving block, wherein first bearing seats are arranged at the front end and the rear end of the mounting plate, the front end and the rear end of the front screw rod and the rear end of the rear screw rod are respectively connected with bearings in the first bearing seats, a track is arranged on the upper surface of the mounting plate, the moving block is in threaded connection with the front screw rod and the rear screw rod, and the lower end of the moving block is in sliding connection with the upper end of the track.

Through the technical scheme, the servo motor can drive the movable block to move on the track when the front and rear screw rods rotate, and the moving direction of the movable block can be changed by changing the rotating direction of the output shaft of the servo motor.

The invention is further configured to: the upper end of the moving block is provided with a mounting groove, the rear end of the moving frame is embedded in the mounting groove, the front inner wall and the rear inner wall of the mounting groove are respectively provided with a buffer groove, and a buffer assembly is arranged in the buffer groove.

Through above-mentioned technical scheme, when the carriage moved forward or backward under screw mechanism drive, the buffering subassembly can play the cushioning effect to the back connecting rod, prevents that it from striking mounting groove inner wall and causing destruction to it.

The invention is further configured to: the buffer assembly comprises a buffer block and an elastic piece, wherein the buffer block is close to one end of the buffer groove and is arranged inside the buffer groove, the outer wall of the buffer block is connected with the inner wall of the buffer groove in a sliding mode, the elastic piece is located in the buffer groove and is connected between the buffer groove and the buffer block, and the buffer block is far away from the side wall of the buffer groove and is provided with a rubber pad.

Through above-mentioned technical scheme, the power to the mounting groove inner wall that the back connecting rod produced can act on the buffer block to cushion through compression elastic component, prevent that it from directly producing great impact to the inner wall of mounting groove.

The invention is further configured to: the back supporting component comprises a folding frame, a second bearing seat and a locking unit, the lower end of the folding frame is fixed at the upper end of the moving frame, the second bearing seat is arranged at the upper end of the folding frame, a rotating connecting rod is arranged at the rear side of the lower end of the mattress, two ends of the rotating connecting rod are fixed in a bearing of the second bearing seat, and the locking unit is arranged at the middle position of the folding frame.

Through above-mentioned technical scheme, the mattress can use the rotation connecting rod to rotate as the center pin to adjust the inclination of mattress upper surface, make the user use the mattress better. The locking unit can play the locking effect to the folding frame, and after electric putter was with mattress jack-up, the locking unit was locked the folding frame, made the folding frame keep this telescopic state to play the supporting role to the mattress.

The invention is further configured to: the locking unit includes locking arm and locking post, the folding leg includes a plurality of vaulting poles of folding each other, the one end swivelling joint in of locking arm in the connection position of two vaulting poles, the locking post set up in with the connection position of two other vaulting poles of the same horizontally of locking arm fixed position, the draw-in groove has been seted up to the lower surface of keeping away from its fixed position one end of locking arm.

Through above-mentioned technical scheme, the length of locking arm is fixed, and electric putter makes its be in the horizontality with the complete jack-up back of rear side of mattress, the upper surface parallel and level of mattress rear side position and the upper surface of sofa seat, rotates the locking arm, and the locking post just in time card is located in the draw-in groove this moment to make the folding leg can't upwards or stretch out and draw back downwards again.

The invention is further configured to: the front supporting assembly is a telescopic rod, the lower end of the front supporting assembly is fixedly connected to the upper end of the movable frame, and the upper end of the front supporting assembly is hinged to the lower surface of the mattress.

Through above-mentioned technical scheme, the telescopic link can play certain supporting role to the front side of mattress, and when the people was simultaneously for changing the height of mattress front side, the telescopic link can stretch out and draw back and carry out corresponding regulation.

The invention is further configured to: the front baffle assembly comprises a baffle plate and a plurality of fixing rods, the lower end of the baffle plate is hinged to the upper surface of the movable frame, the fixing rods are arranged on the side wall, close to the mattress, of the baffle plate at intervals in the height direction of the baffle plate, a plurality of hooks are arranged at the middle height position, close to the baffle plate, of the side wall of the mattress, and a handle is arranged on the mattress.

Through above-mentioned technical scheme, the rear side of mattress is by electric putter jack-up back, and the user rotates the baffle forward to mention certain height through the handle with the front side of mattress, make the upper surface of mattress be in the inclination of needs, later with the baffle playback make it be in vertical state, the couple of mattress front side just in time hangs on the dead lever of the corresponding height of baffle this moment, thereby makes the mattress keep this height.

The invention is further configured to: the mattress is characterized in that a first rotating limiting block and a second rotating limiting block are arranged on the moving frame, the first rotating limiting block and the second rotating limiting block are respectively located on the front side and the rear side of the baffle, and the first rotating limiting block and the second rotating limiting block limit the baffle to rotate 30 degrees in the direction away from the mattress.

Through the technical scheme, the baffle can only rotate within a small range, and a user can conveniently control the baffle.

Drawings

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

FIG. 2 is a second schematic structural view of the present invention;

FIG. 3 is a top view of the present invention;

FIG. 4 is a cross-sectional view taken along line C of FIG. 3 in accordance with the present invention;

FIG. 5 is an enlarged view of the portion A of FIG. 4 according to the present invention;

FIG. 6 is an enlarged view of the portion B in FIG. 1 according to the present invention.

The reference numbers in the figures mean: 1. a sofa underframe; 2. a sofa armrest; 3. a sofa seat; 4. a sofa backrest; 5. a movable frame; 6. a screw mechanism; 7. a mattress; 8. a front support assembly; 9. a rear support assembly; 10. an electric push rod; 11. a front fender assembly; 12. a cross bar; 13. mounting blocks; 14. mounting a plate; 15. front and rear screw rods; 16. a servo motor; 17. a moving block; 18. a first bearing seat; 19. a track; 20. mounting grooves; 21. a buffer tank; 22. a buffer assembly; 23. a buffer block; 24. an elastic member; 25. a rubber pad; 26. a folding frame; 27. a second bearing seat; 28. a locking unit; 29. a locking arm; 30. a locking post; 31. a stay bar; 32. a card slot; 33. a baffle plate; 34. fixing the rod; 35. hooking; 36. a handle; 37. rotating the first limiting block; 38. rotating a second limiting block; 39. a front connecting rod; 40. a rear connecting rod; 41. a side connecting rod; 42. rolling a side wheel; 43. the bottom wheel rolls.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

The present invention is explained below with reference to fig. 1 to 6.

A multifunctional sofa comprises a sofa underframe 1, sofa handrails 2 arranged on two sides of the upper end of the sofa underframe 1, a sofa seat 3 arranged above the sofa underframe 1 and a sofa backrest 4, wherein the sofa seat 3 is positioned between the sofa handrails 2 on two sides. A movable frame 5 is arranged below the sofa underframe 1, and the movable frame 5 comprises a front connecting rod 39, a rear connecting rod 40 and side connecting rods 41 positioned at two sides. The two sides of the movable frame 5 are slidably connected to the inner wall of the sofa bottom frame 1, slide rails are arranged on the inner walls of the two sides of the sofa bottom frame 1, and slide grooves along the length direction of the slide rails are formed in the side walls, close to the movable frame 5, of the slide rails. A plurality of side rollers 42 are arranged at intervals along the length direction of the outer side of the side connecting rod 41, the side rollers are horizontally arranged and embedded in the sliding grooves, and the side rollers can roll in the sliding grooves when the moving frame 5 moves. The lower ends of the side link rods 41 are provided with bottom roller wheels 43 at front and rear sides thereof, and the bottom roller wheels 43 enable the moving frame 5 to be moved on the ground better.

A cross rod 12 is arranged below the front side of the sofa underframe 1, and two ends of the cross rod 12 are fixed on the inner wall of the sofa underframe 1 through screws. The middle position of the rear side of the sofa underframe 1 is provided with a mounting block 13, and the upper end of the mounting block 13 is fixedly connected to the lower surface of the sofa underframe 1 through screws. An installation plate 14 is arranged between the cross rod 12 and the installation block 13, the installation plate 14 is horizontally arranged, and two ends of the installation plate 14 are respectively fixed at the middle position of the cross rod 12 and the lower end position of the installation block 13 through screws. The upper end of the mounting plate 14 is provided with a screw mechanism 6 for driving the moving frame 5 to move, and the screw mechanism 6 can move the moving frame 5 from the lower side of the sofa base to the front side of the sofa or move and store the moving frame 5 below the sofa base frame 1 when the mattress 7 is not needed to be used. The screw mechanism 6 comprises a front screw rod 15, a rear screw rod 15, a servo motor 16 and a moving block 17, wherein bearing seats 18 are arranged at the front end and the rear end of the mounting plate 14, the front end and the rear end of the front screw rod 15 and the rear end of the rear screw rod 15 are respectively connected with bearings in the bearing seats 18, the servo motor 16 is arranged on the rear side of the front screw rod 15 and the rear end of the front screw rod 15 and the rear screw rod 15 are fixedly connected with each other through an output shaft of the servo motor 16. The upper surface of the mounting plate 14 is provided with a rail 19, the rail 19 is positioned below the front and rear screw rods 15, and the rail 19 is arranged along the length direction of the mounting plate 14 and is fixedly connected to the upper surface of the mounting plate 14 through screws. The moving block 17 is sleeved on the front and rear lead screws 15, the moving block 17 is in threaded connection with the front and rear lead screws 15, and the lower end of the moving block 17 is slidably connected to the upper end of the track 19.

The upper end of the moving block 17 is provided with an installation groove 20, and the installation groove 20 is arranged along the length direction of the cross bar 12. The middle part of the rear connecting rod 40 is embedded in the mounting groove 20. The top of mounting groove 20 is provided with the apron, and the both ends of apron are passed through the screw fixation and are in the upper surface of movable block 17, and the apron can be with the spacing in mounting groove 20 of back connecting rod 40, prevents that it from shifting out from mounting groove 20. Buffer slot 21 has been seted up respectively to the front and back inner wall of mounting groove 20, is provided with buffering subassembly 22 in the buffer slot 21, and when removing frame 5 and moving forward or backward under the drive of screw mechanism 6, buffering subassembly 22 can play the cushioning effect to back connecting rod 40, prevents that it from striking mounting groove 20 inner wall and causing the destruction to it. Buffer component 22 includes buffer block 23 and elastic component 24, and the one end that buffer block 23 is close to buffer slot 21 sets up inside buffer slot 21, and the inner wall of buffer block 23's outer wall sliding connection buffer slot 21. The elastic member 24 is a spring, the elastic member 24 is located in the buffer slot 21 and connected between the buffer slot 21 and the buffer block 23, and a rubber pad 25 is disposed on a side wall of the buffer block 23 away from the buffer slot 21. The force of the rear connecting rod 40 to the inner wall of the mounting groove 20 acts on the buffer block 23 and is buffered by compressing the elastic member 24, preventing it from directly generating a large impact force to the inner wall of the mounting groove 20.

The upper end of the moving frame 5 is provided with a mattress 7, the front and back positions between the moving frame 5 and the mattress 7 are respectively provided with two front supporting assemblies 8 and two rear supporting assemblies 9, the middle position of the rear side of the moving frame 5 is provided with an electric push rod 10 for driving the mattress 7 to ascend and descend, and the upper end of the rear supporting assembly 9 and the upper end of the electric push rod 10 are respectively connected with the lower surface of the mattress 7 in a rotating mode. The front supporting component 8 is a telescopic rod, the lower end of the front supporting component 8 is fixedly connected to the upper end of the movable frame 5, and the upper end of the front supporting component 8 is hinged to the lower surface of the mattress 7. The rear support assembly 9 includes a folding leg 26, a second bearing block 27 and a locking unit 28. The folding leg 26 comprises a top plate, a bottom plate and a plurality of struts 31 folded with each other, the struts 31 being connected between the top plate and the bottom plate to cross each other. The bottom plate is fixed at the upper end of the movable frame 5 through screws, and the second bearing block 27 is fixed on the upper surface of the top plate. The rear side of the lower end of the mattress 7 is provided with a rotating connecting rod, and the two ends of the rotating connecting rod are fixed in the bearings of the second bearing seat 27. The top end of the electric push rod 10 is provided with a third bearing seat, and the middle of the rotating connecting rod is fixed in a bearing of the third bearing seat. The mattress 7 can rotate by taking the rotating connecting rod as a central shaft, so that the inclination angle of the upper surface of the mattress 7 is adjusted, and a user can better use the mattress 7.

The locking unit 28 is provided at an intermediate position of the folding leg 26, the locking unit 28 can lock the folding leg 26, and after the electric push rod 10 pushes up the mattress 7, the locking unit 28 locks the folding leg 26 to keep the folding leg 26 in the expanded state, thereby supporting the mattress 7. The locking unit 28 includes a locking arm 29 and a locking post 30, one end of the locking arm 29 is rotatably connected to a connection portion of two stays 31, the locking post 30 is disposed at a connection portion of another two stays 31 at the same level as a fixed position of the locking arm 29, and a catching groove 32 is opened on a lower surface of one end of the locking arm 29 away from the fixed position. The length of the locking arm 29 is fixed, after the electric push rod 10 completely jacks up the rear side of the mattress 7, the upper surface of the rear side of the mattress 7 is flush with the upper surface of the sofa seat 3, the locking arm 29 is rotated to be in a horizontal state, and the locking column 30 is just clamped in the clamping groove 32 at the moment, so that the folding frame 26 cannot stretch upwards or downwards any more.

The front side of the moving frame 5 is provided with a front baffle assembly 11, and the front baffle assembly 11 comprises a baffle 33 and a plurality of fixing rods 34. The baffle 33 is vertically arranged at the upper end of the front connecting rod 39, and the lower end of the baffle 33 is hinged on the upper surface of the front connecting rod 39. The length of the baffle 33 is the same as that of the sofa seat 3, and when the baffle 33 is in the vertical state, the top end of the baffle 33 is flush with the upper surface of the sofa seat 3. The moving frame 5 is provided with a first rotating limiting block 37 and a second rotating limiting block 38, and the first rotating limiting block 37 and the second rotating limiting block 38 are respectively positioned at the front side and the rear side of the baffle 33. The first rotation limiting block 37 and the second rotation limiting block 38 limit the baffle 33 to rotate only 30 degrees in the direction away from the mattress 7. The side wall of the first rotation limiting block 37 close to the baffle 33 is provided with a cushion, the side wall of the second rotation limiting block 38 close to the baffle 33 is embedded with a first magnetic block, and the corresponding position of the rear side wall of the baffle 33 is embedded with a second magnetic block. Under the normal state, the first magnetic block and the second magnetic block are mutually attracted together, so that the baffle 33 is kept in the vertical state, and the sofa is protected. The fixing rods 34 are arranged on the side wall of the baffle plate 33 close to the mattress 7 at intervals along the height direction of the baffle plate 33, and the fixing rods 34 are horizontally arranged. The mattress 7 is provided with a plurality of hooks 35 along the length direction at the middle height position of the side wall of the baffle plate 33, and the mattress 7 is provided with a handle 36. After the rear side of the mattress 7 is jacked up by the electric push rod 10, the baffle plate 33 is rotated forwards by a user, so that the baffle plate is placed on the first rotation limiting block 37. The front side of the mattress 7 is lifted to a certain height through the handle 36, so that the upper surface of the mattress 7 is at a required inclination angle, then the baffle plate 33 is returned to be in a vertical state, and the hook 35 at the front side of the mattress 7 is just hung on the fixing rod 34 at the corresponding height of the baffle plate 33, so that the mattress 7 can keep the height.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and those modifications and variations assumed in the above are also considered to be within the protective scope of the present invention.

Claims

1. The utility model provides a multifunctional sofa, includes sofa chassis (1), sets up in sofa handrail (2) of sofa chassis (1) both sides, sets up in sofa seat (3) and sofa back (4) of sofa chassis (1) top, its characterized in that: a movable frame (5) is arranged below the sofa underframe (1), two sides of the movable frame (5) are connected to the inner wall of the sofa underframe (1) in a sliding manner, a screw rod mechanism (6) for driving the movable frame (5) to move is arranged below the sofa underframe (1), a mattress (7) is arranged at the upper end of the movable frame (5), two front supporting assemblies (8) and two rear supporting assemblies (9) are respectively arranged at the front and the rear positions between the movable frame (5) and the mattress (7), an electric push rod (10) for driving the mattress (7) to lift is arranged at the middle position of the rear side of the movable frame (5), the upper end of the rear supporting assembly (9) and the upper end of the electric push rod (10) are respectively connected with the lower surface of the mattress (7) in a rotating manner, a front baffle assembly (11) is arranged at the front side of the movable frame (5), the front baffle assembly (11) comprises a baffle (33) and a plurality of fixing rods (34), the lower end of the baffle (33) is hinged to the upper surface of the movable frame (5), the fixing rods (34) are arranged on the side wall, close to the mattress (7), of the baffle (33) at intervals in the height direction of the baffle (33), a plurality of hooks (35) are arranged at the middle height position of the side wall, close to the baffle (33), of the mattress (7), a lifting handle (36) is arranged on the front side of the upper portion of the mattress (7), a first rotating limiting block (37) and a second rotating limiting block (38) are arranged on the movable frame (5), the first rotating limiting block (37) and the second rotating limiting block (38) are respectively arranged on the front side and the rear side of the baffle (33), the first rotating limiting block (37) and the second rotating limiting block (38) limit the baffle (33) to rotate 30 degrees in the direction far away from the mattress (7), back supporting component (9) are including folding leg (26), bearing frame two (27) and locking unit (28), the lower extreme of folding leg (26) is fixed in the upper end of removal frame (5), bearing frame two (27) set up in the upper end of folding leg (26), the rear side of mattress (7) lower extreme is provided with the rotation connecting rod, the both ends of rotating the connecting rod are fixed in the bearing of bearing frame two (27), locking unit (28) set up in the intermediate position of folding leg (26), preceding supporting component (8) are the telescopic link, the lower extreme fixed connection of preceding supporting component (8) in remove frame (5) upper end, the upper end of preceding supporting component (8) articulate in the lower surface of mattress (7).

2. The multi-purpose sofa of claim 1, wherein: the sofa is characterized in that a cross rod (12) is arranged below the front side of the sofa chassis (1), two ends of the cross rod (12) are fixed on the inner wall of the sofa chassis (1), an installation block (13) is arranged in the middle of the rear side of the sofa chassis (1), an installation plate (14) is arranged between the cross rod (12) and the installation block (13), and a screw rod mechanism (6) is arranged at the upper end of the installation plate (14).

3. The multi-purpose sofa of claim 2, wherein: the screw rod mechanism (6) comprises a front screw rod, a rear screw rod (15), a servo motor (16) and a moving block (17), bearing seats I (18) are arranged at the front end and the rear end of the mounting plate (14), the front end and the rear end of the front screw rod and the rear end of the rear screw rod (15) are respectively connected to bearings in the bearing seats I (18), a track (19) is arranged on the upper surface of the mounting plate (14), the moving block (17) is in threaded connection with the front screw rod and the rear screw rod (15), and the lower end of the moving block (17) is in sliding connection with the upper end of the track (19).

4. The multi-purpose sofa of claim 3, wherein: the upper end of the moving block (17) is provided with a mounting groove (20), the middle part of a rear connecting rod (40) at the rear end of the moving frame (5) is embedded in the mounting groove (20), the front inner wall and the rear inner wall of the mounting groove (20) are respectively provided with a buffer groove (21), and a buffer component (22) is arranged in the buffer groove (21).

5. The multi-purpose sofa of claim 4, wherein: buffer unit (22) include buffer block (23) and elastic component (24), buffer block (23) are close to the one end of buffer slot (21) set up in inside buffer slot (21), just the outer wall sliding connection of buffer block (23) the inner wall of buffer slot (21), elastic component (24) are located in buffer slot (21) and connect in buffer slot (21) with between buffer block (23), buffer block (23) are kept away from the lateral wall of buffer slot (21) is provided with rubber pad (25).

6. The multi-purpose sofa of claim 1, wherein: locking unit (28) include locking arm (29) and locking post (30), folding leg (26) include a plurality of mutual folding vaulting poles (31), the one end swivelling joint in two of locking arm (29) the connection position of vaulting pole (31), locking post (30) set up in with the connection position of the other two vaulting poles (31) of the same level in fixed position of locking arm (29), draw-in groove (32) have been seted up to the lower surface of keeping away from its fixed position one end of locking arm (29).