CN214510403U - Adjustable sofa bed skeleton folding mechanism - Google Patents

Adjustable sofa bed skeleton folding mechanism Download PDF

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Publication number
CN214510403U
CN214510403U CN202120605470.6U CN202120605470U CN214510403U CN 214510403 U CN214510403 U CN 214510403U CN 202120605470 U CN202120605470 U CN 202120605470U CN 214510403 U CN214510403 U CN 214510403U
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CN
China
Prior art keywords
sofa bed
fixed frame
rotating shaft
movable plate
folding
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Application number
CN202120605470.6U
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Chinese (zh)
Inventor
欧昌辉
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Dongguan Wanxin Furniture Co ltd
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Dongguan Wanxin Furniture Co ltd
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Priority to CN202120605470.6U priority Critical patent/CN214510403U/en
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Abstract

The utility model provides an adjustable sofa bed framework folding mechanism, which belongs to the technical field of sofa beds and comprises a fixed frame, wherein the bottom of the fixed frame is fixedly connected with a supporting leg, the fixed frame is fixedly connected with a movable plate through a hinge, the bottom of the movable plate is provided with a containing groove, through the arrangement of the movable plate, a first rotating shaft, a supporting rod, a fixing bolt, a clamping plate, a positioning pin, a second rotating shaft, a connecting block, a backrest, a positioning hole and an L-shaped sliding rod, a user turns the movable plate outwards around a hinge, takes the supporting rod out of the containing groove, supports the movable plate, pulls the positioning pin out of the positioning hole, rotates the clamping plate around the fixing bolt, when the positioning pin is positioned below the fixed frame, turns the backrest to one side around the second rotating shaft, pulls out the L-shaped sliding rod from the sliding sleeve, and supports the backrest, therefore, the unfolding operation of the sofa bed is completed, otherwise, the sofa bed can be folded, and the sofa bed is simple to operate, time-saving and labor-saving.

Description

Adjustable sofa bed skeleton folding mechanism
Technical Field
The utility model belongs to the technical field of the sofa bed, concretely relates to adjustable sofa bed skeleton folding mechanism.
Background
Along with the urban living space becoming smaller and smaller, the limitation of living space is more and more obvious, only some necessary furniture such as sofas, beds, desks and the like are crowded, the sofa is used as the necessary furniture for people and occupies larger space, so the dual-purpose sofa with the dual functions of sitting and lying is popular with people, the sofa can be folded and folded at ordinary times to be used as the sofa, and guests can be converted into the bed for use when staying at night, thereby the expenditure is saved, the space occupation is reduced, the space utilization rate is increased, and the practicability is high.
The sofa bed in the prior art is complex in structure, complex in operation process when being opened or folded, time and labor are wasted, and the supporting component is exposed outside after being folded, so that the attractiveness and the practicability of the sofa bed are affected.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an adjustable sofa bed skeleton folding mechanism, it is comparatively complicated to aim at solving among the prior art sofa bed structure, and the operation process is loaded down with trivial details when opening or folding, wastes time and energy, and after folding partial supporting component expose outside, influences sofa bed's pleasing to the eye and the problem of practicality.
In order to achieve the above object, the utility model provides a following technical scheme: an adjustable sofa bed framework folding mechanism comprises a fixed frame, wherein the bottom of the fixed frame is fixedly connected with a supporting leg, the fixed frame is fixedly connected with a movable plate through a hinge, the bottom of the movable plate is provided with a holding groove, the interior of the holding tank is movably connected with a first rotating shaft, the outer surface of the first rotating shaft is fixedly connected with a supporting rod, the other side of the fixed frame is provided with a fixed bolt and a groove in sequence from inside to outside, the outer surface of the fixed bolt is movably connected with a clamping plate, the inside of the clamping plate is movably connected with a positioning pin, the inside of the groove is movably connected with a second rotating shaft, the outer surface of the second rotating shaft is fixedly connected with a connecting block, the top of the connecting block is fixedly connected with a backrest, the positioning structure is characterized in that one side of the backrest is provided with a positioning hole, the bottom of the fixing frame is fixedly connected with a sliding sleeve, and an L-shaped sliding rod is movably connected inside the sliding sleeve.
In order to make this adjustable sofa bed skeleton folding mechanism reach the effect that prevents the user and fall, conduct the utility model relates to an it is preferred, the front of fixed frame and the equal fixedly connected with handrail in the back.
In order to make this adjustable sofa bed skeleton folding mechanism reach and prevent the gliding effect of sofa bed, as the utility model relates to an it is preferred, the bottom fixedly connected with slipmat of supporting leg.
In order to make this adjustable sofa bed skeleton folding mechanism reach the effect of being convenient for push-and-pull L shape slide bar, conduct the utility model relates to an it is preferred, the bottom fixedly connected with pulley of L shape slide bar.
In order to make this adjustable sofa bed skeleton folding mechanism reach the effect that increases fixed frame stability, conduct the utility model relates to an it is preferred, the inside fixedly connected with horizontal pole of fixed frame.
In order to make this adjustable sofa bed skeleton folding mechanism reach the effect that prevents the locating pin slippage from the locating hole, conduct the utility model relates to an it is preferred, fixedly connected with reset spring between locating pin and the cardboard.
Compared with the prior art, the beneficial effects of the utility model are that:
1. this adjustable sofa bed skeleton folding mechanism, through the fly leaf, first pivot, the bracing piece, fixing bolt, the cardboard, the locating pin, the second pivot, the connecting block, the back, the setting of locating hole and L shape slide bar, when sofa bed need expand, the user outwards overturns the fly leaf around the hinge, take out the bracing piece from holding the inslot around first pivot, support the fly leaf, pull out the locating pin from the locating hole, rotate the cardboard around fixing bolt, when the locating pin is in the below of fixed frame, overturn back and connecting block around the second pivot to one side, and pull out L shape slide bar in the sliding sleeve, support the back, thereby accomplish the operation of expanding to sofa bed, otherwise then can fold sofa bed, and is easy operation, time saving and labor saving.
2. This adjustable sofa bed skeleton folding mechanism through the setting of holding tank, first pivot, bracing piece, sliding sleeve, L shape slide bar and pulley, when sofa bed is folded up, with inside the bracing piece goes into the holding tank around first pivot, through inside the pulley draws L shape slide bar into the sliding sleeve, realizes that each supporting component all hides at the inside purpose of sofa bed, improves sofa bed's aesthetic property and practicality.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic view of an axial measurement structure of the present invention;
fig. 2 is a schematic diagram of the right-side view structure of the present invention;
fig. 3 is a schematic bottom view of the present invention;
fig. 4 is a schematic front view of the cross-sectional structure of the present invention;
fig. 5 is an enlarged schematic view of a portion a of fig. 3 according to the present invention;
fig. 6 is an enlarged schematic view of the structure of fig. 3B according to the present invention;
fig. 7 is an enlarged schematic view of the structure at C in fig. 4 according to the present invention.
In the figure: 1. a fixing frame; 2. supporting legs; 3. a movable plate; 4. accommodating grooves; 5. a first rotating shaft; 6. a support bar; 7. fixing the bolt; 8. a groove; 9. clamping a plate; 10. positioning pins; 11. a second rotating shaft; 12. connecting blocks; 13. a backrest; 14. positioning holes; 15. a sliding sleeve; 16. an L-shaped sliding rod; 17. a handrail; 18. a non-slip mat; 19. a pulley; 20. a cross bar; 21. a return spring.
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.
Examples
Referring to fig. 1-7, the present invention provides the following technical solutions: the utility model provides an adjustable sofa bed skeleton folding mechanism, including fixed frame 1, the bottom fixedly connected with supporting leg 2 of fixed frame 1, fixed frame 1 is through hinge fixedly connected with fly leaf 3, holding tank 4 has been seted up to the bottom of fly leaf 3, the inside swing joint of holding tank 4 has first pivot 5, the external surface fixedly connected with bracing piece 6 of first pivot 5, fixing bolt 7 and recess 8 have set gradually from inside to outside to fixed frame 1's opposite side, fixing bolt 7's surface swing joint has cardboard 9, cardboard 9's inside swing joint has locating pin 10, recess 8's inside swing joint has second pivot 11, the external surface fixedly connected with connecting block 12 of second pivot 11, the top fixedly connected with back 13 of connecting block 12, locating hole 14 has been seted up to one side of back 13, fixed frame 1's bottom fixedly connected with sliding sleeve 15, sliding sleeve 15's inside swing joint has L shape slide bar 16.
In the embodiment of the present invention, through the setting of the movable plate 3, the first rotating shaft 5, the supporting rod 6, the fixing bolt 7, the clamping plate 9, the positioning pin 10, the second rotating shaft 11, the connecting block 12, the backrest 13, the positioning hole 14 and the L-shaped sliding rod 16, when the sofa bed needs to be unfolded, the user turns the movable plate 3 outwards around the hinge, take the supporting rod 6 out of the accommodating groove 4 around the first rotating shaft 5, support the movable plate 3, pull the positioning pin 10 out of the positioning hole 14, rotate the clamping plate 9 around the fixing bolt 7, when the positioning pin 10 is located under the fixing frame 1, turn the backrest 13 and the connecting block 12 to one side around the second rotating shaft 11, pull the L-shaped sliding rod 16 out of the sliding sleeve 15, support the backrest 13, thereby complete the unfolding operation of the sofa bed, otherwise, the sofa bed can be folded, the operation is simple, time and labor are saved, the sofa bed can be folded through the accommodating groove 4, First pivot 5, bracing piece 6, sliding sleeve 15, L shape slide bar 16 and pulley 19's setting, when the sofa bed was folded up, change over to the holding tank 4 inside around first pivot 5 with bracing piece 6, draw into sliding sleeve 15 inside with L shape slide bar 16 through pulley 19, realize that each supporting component all hides the purpose inside the sofa bed, improve the aesthetic property and the practicality of sofa bed.
Specifically, the front and back of the fixed frame 1 are both fixedly connected with handrails 17.
In this embodiment: the effect of preventing the user from falling is achieved by arranging the handrail 17.
Specifically, the bottom of the supporting leg 2 is fixedly connected with a non-slip mat 18.
In this embodiment: the effect of preventing the sofa bed from sliding is achieved by arranging the non-slip mat 18.
Specifically, a pulley 19 is fixedly connected to the bottom of the L-shaped sliding rod 16.
In this embodiment: the pulley 19 is arranged to achieve the effect of facilitating the pushing and pulling of the L-shaped sliding rod 16.
Specifically, a cross bar 20 is fixedly connected to the inside of the fixed frame 1.
In this embodiment: the effect of increasing the stability of the fixing frame 1 is achieved by providing the cross bar 20.
Specifically, a return spring 21 is fixedly connected between the positioning pin 10 and the clamping plate 9.
In this embodiment: the effect of preventing the positioning pin 10 from slipping out of the positioning hole 14 is achieved by providing the return spring 21.
The utility model discloses a theory of operation and use flow: when the adjustable sofa bed framework folding mechanism is used, if the sofa bed is required to be unfolded, a user turns the movable plate 3 outwards around the hinge, the support rod 6 is taken out of the accommodating groove 4 around the first rotating shaft 5 to support the movable plate 3, the positioning pin 10 is pulled out of the positioning hole 14, the clamping plate 9 is rotated around the fixing bolt 7, when the positioning pin 10 is positioned below the fixing frame 1, the backrest 13 and the connecting block 12 are turned to one side around the second rotating shaft 11, the L-shaped sliding rod 16 is pulled out of the sliding sleeve 15 to support the backrest 13, so that the unfolding operation of the sofa bed is finished, otherwise, the sofa bed can be folded, the operation is simple, time and labor are saved, when the sofa bed is folded, the support rod 6 is turned into the accommodating groove 4 around the first rotating shaft 5, the L-shaped sliding rod 16 is drawn into the sliding sleeve 15 through the pulley 19, and the purpose that each support component is hidden in the sofa bed is realized, the aesthetic property and the practicability of the sofa bed are improved.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. The utility model provides an adjustable sofa bed skeleton folding mechanism, includes fixed frame (1), its characterized in that: the bottom of the fixed frame (1) is fixedly connected with supporting legs (2), the fixed frame (1) is fixedly connected with a movable plate (3) through a hinge, the bottom of the movable plate (3) is provided with a holding tank (4), the inside of the holding tank (4) is movably connected with a first rotating shaft (5), the outside of the first rotating shaft (5) is fixedly connected with a supporting rod (6), the other side of the fixed frame (1) is sequentially provided with a fixing bolt (7) and a groove (8) from inside to outside, the outside of the fixing bolt (7) is movably connected with a clamping plate (9), the inside of the clamping plate (9) is movably connected with a positioning pin (10), the inside of the groove (8) is movably connected with a second rotating shaft (11), the outside of the second rotating shaft (11) is fixedly connected with a connecting block (12), and the top of the connecting block (12) is fixedly connected with a backrest (13), locating hole (14) have been seted up to one side of back (13), the bottom fixedly connected with sliding sleeve (15) of fixed frame (1), the inside swing joint of sliding sleeve (15) has L shape slide bar (16).
2. The adjustable sofa bed frame folding mechanism of claim 1, wherein: the front and the back of the fixed frame (1) are fixedly connected with handrails (17).
3. The adjustable sofa bed frame folding mechanism of claim 1, wherein: the bottom of the supporting leg (2) is fixedly connected with an anti-skid pad (18).
4. The adjustable sofa bed frame folding mechanism of claim 1, wherein: the bottom of the L-shaped sliding rod (16) is fixedly connected with a pulley (19).
5. The adjustable sofa bed frame folding mechanism of claim 1, wherein: the inside fixedly connected with horizontal pole (20) of fixed frame (1).
6. The adjustable sofa bed frame folding mechanism of claim 1, wherein: and a return spring (21) is fixedly connected between the positioning pin (10) and the clamping plate (9).
CN202120605470.6U 2021-03-25 2021-03-25 Adjustable sofa bed skeleton folding mechanism Active CN214510403U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120605470.6U CN214510403U (en) 2021-03-25 2021-03-25 Adjustable sofa bed skeleton folding mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120605470.6U CN214510403U (en) 2021-03-25 2021-03-25 Adjustable sofa bed skeleton folding mechanism

Publications (1)

Publication Number Publication Date
CN214510403U true CN214510403U (en) 2021-10-29

Family

ID=78265437

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120605470.6U Active CN214510403U (en) 2021-03-25 2021-03-25 Adjustable sofa bed skeleton folding mechanism

Country Status (1)

Country Link
CN (1) CN214510403U (en)

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