CN219088785U - Hinge structure for drawer type sofa bed - Google Patents
Hinge structure for drawer type sofa bed Download PDFInfo
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- CN219088785U CN219088785U CN202222963196.7U CN202222963196U CN219088785U CN 219088785 U CN219088785 U CN 219088785U CN 202222963196 U CN202222963196 U CN 202222963196U CN 219088785 U CN219088785 U CN 219088785U
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- connecting rod
- frame
- hinged
- metal movable
- hinge structure
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Abstract
The utility model discloses a hinge structure for a drawer type sofa bed, which comprises a metal movable frame, an upper supporting frame, a first connecting rod and a second connecting rod which are hinged to one side of the metal movable frame and one side of the upper supporting frame, a third connecting rod which is hinged to the other side of the metal movable frame and the other side of the upper supporting frame, a supporting piece which is hinged between the middle parts of the metal movable frame and the second connecting rod, and a locking structure which is arranged on the metal movable frame and is used for being inlaid and positioned with the first connecting rod, wherein casters are arranged on two sides of the lower end of the metal movable frame, and the first connecting rod and the second connecting rod are hinged. The first connecting rod is locked through the locking structure on the metal moving frame, so that the first connecting rod can not move any more, and the supporting piece supports and positions the first connecting rod at the moment, so that the whole hinge structure can not move any more to form a supporting structure, and the movable plate is stably supported. The utility model adopts the metal movable frame as the supporting structure of the movable seat, has more stable structure, higher strength and longer service life, can reduce wood use, and is energy-saving and environment-friendly.
Description
Technical Field
The utility model relates to the technical field of furniture products, in particular to a hinge structure for a drawer type sofa bed.
Background
With the development of society, people living space is gradually increased, living rooms of many families and offices of many companies can purchase sofa beds, the sofa beds are furniture capable of being used as sofas and beds, in small family rooms, in order to meet occasional living needs of visitors, one sofa bed is necessary, and in general, the sofa beds can be placed in the living rooms or the study rooms to serve as seats; the sofa bed is unfolded at night when a guest comes, and the bed is just a bed after the sleeping bed is laid. In a common house like a three-room two-hall, the sofa bed can also be outside the guest sleeping bed to help the host cope with occasional visiting of a plurality of guests.
Referring to fig. 1, a prior art drawer type sofa bed includes: the base 101 is arranged on the ground, and a cavity is formed in the base; a movable base 102 disposed in the cavity inside the base 101, the movable base 102 having a caster 103 mounted on a bottom surface thereof, the caster being movable relative to the base 101 between a retracted position retracted in the cavity inside the base 101 and an extended position extended to the outside of the base 101, wherein the movable base 102 further has a movable plate 105 movably connected to the movable base 102 through a hinge structure 104; when the movable seat 102 is contracted in the contracted position, the movable plate 105 can be contracted in the cavity inside the base 101, so that the drawer-type sofa bed can be used as a sofa; when the movable seat 102 is extended to the extended position, the movable plate 105 may be unfolded and supported on the front baffle 106 of the movable seat 102 by the hinge structure 104, so that the drawer-type sofa bed is used as a bed.
However, the existing movable seat 102 and hinge structure 104 of the drawer-type sofa bed are separately designed, the hinge structure 104 made of metal is mounted on the movable seat 102 made of wood through a plurality of screws, the strength of the whole assembly structure is insufficient, and the hinge structure 104 only plays a role of driving the movable plate 105 to move up and down, but cannot play a role of fixedly supporting the movable plate 105, and the movable plate 105 still needs to be fixedly supported by being supported on the front baffle of the movable seat 102. When excessive pressure/gravity is applied, misalignment between the movable plate 105 and the front baffle 106 is easily caused, so that collapse is caused, and potential safety hazards exist.
In view of this, the present inventors have proposed the following means.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provides a hinge structure for a drawer type sofa bed.
In order to solve the technical problems, the utility model adopts the following technical scheme: the hinge structure for the drawer type sofa bed comprises a metal moving frame, an upper supporting frame, a first connecting rod and a second connecting rod hinged on one side of the metal moving frame and one side of the upper supporting frame, a third connecting rod hinged on the other side of the metal moving frame and the other side of the upper supporting frame, a supporting piece hinged between the metal moving frame and the middle part of the second connecting rod, and a locking structure which is arranged on the metal moving frame and used for being inlaid and positioned with the first connecting rod, wherein casters are arranged on two sides of the lower end of the metal moving frame, and the first connecting rod and the second connecting rod are hinged.
Furthermore, in the above technical solution, the locking structure is a locking shaft disposed at a side surface of the metal moving frame; the first connecting rod is connected to the side face of the metal movable frame, and a locking groove matched with the locking shaft is formed in the side edge of the first connecting rod.
Furthermore, in the above technical scheme, the outer side surface of the metal moving frame is provided with a guide wheel.
Furthermore, in the above technical scheme, the two ends of the metal moving frame are also fixed with a first connecting piece and a second connecting piece which extend upwards.
Furthermore, in the above technical solution, the cross sections of the first connecting piece and the second connecting piece are all right-angled.
Furthermore, in the above technical scheme, the upper supporting frame comprises a main body part with a right angle-shaped longitudinal section, and a first connecting part and a second connecting part which are integrally formed at two ends of the main body part and distributed in a splayed shape, wherein the tail end of the first connecting part is hinged with the upper end of the second connecting rod, and the tail end of the second connecting part is hinged with the upper end of the third connecting rod.
In the above technical scheme, when the upper supporting frame is unfolded to be in a horizontal state through the first connecting rod, the second connecting rod and the third connecting rod, the supporting piece is in a vertical state.
By adopting the technical scheme, compared with the prior art, the utility model has the following beneficial effects: when the movable seat is used, the front baffle plate is arranged on the metal movable frame and then is used as the movable seat, and the movable seat can move between a contracted position contracted inside the base and an extended position extended outside the base relative to the base through the truckles. The upper support frame is provided with a movable plate which is horizontally distributed, and the movable plate is supported on the front baffle plate in a lifting way through the whole hinge structure and is in butt joint with the upper end face of the base, or is lowered and retracted into the movable seat. When the hinge structure is opened and the movable plate is jacked up to the upper end face of the base to be in butt joint, the first connecting rod is locked through the locking structure on the metal moving frame, so that the first connecting rod can not move any more, the supporting piece supports and positions the first connecting rod, the whole hinge structure can not move any more to form a supporting structure, the movable plate is supported through the supporting structure, meanwhile, the movable plate is also supported by the front baffle, collapse caused by dislocation between the movable plate and the front baffle can be effectively prevented, and the movable plate is safer and more reliable to use. In addition, the metal movable frame is adopted as the supporting structure of the movable seat, so that the movable seat has the advantages of more stable structure, higher strength and longer service life, can reduce wood use, and is more energy-saving and environment-friendly.
Drawings
FIG. 1 is a schematic view of a prior art drawer-type sofa sleeper;
FIG. 2 is a perspective view of the present utility model;
FIG. 3 is a perspective view of another view of the present utility model;
fig. 4 is a schematic structural view of a drawer-type sofa bed made in accordance with the present utility model.
Description of the embodiments
The utility model will be further described with reference to specific examples and figures.
Referring to fig. 2 to 4, a hinge structure for a drawer type sofa bed is shown, which comprises a metal moving frame 1, an upper supporting frame 2, a first connecting rod 3 and a second connecting rod 4 hinged on one side of the metal moving frame and one side of the upper supporting frame 2, a third connecting rod 5 hinged on the other side of the metal moving frame 1 and the other side of the upper supporting frame 2, a supporting sheet 7 hinged between the middle parts of the metal moving frame 1 and the second connecting rod 4, and a locking structure arranged on the metal moving frame 1 and used for embedding and positioning with the first connecting rod 3, wherein casters 15 are arranged on two sides of the lower end of the metal moving frame 1, and the first connecting rod 3 and the second connecting rod 4 are hinged. The utility model adopts the first connecting rod 3 and the second connecting rod 4 to be hinged on the same side of the metal movable frame and the upper supporting frame 2, and adopts the third connecting rod 5 to be hinged on the other same side of the metal movable frame 1 and the upper supporting frame 2, so that the structure can ensure that the upper supporting frame 2 can be in a horizontal state all the time in the process of ascending or descending again, and the upper supporting frame 2 can be attached on the upper end surface of the metal movable frame when the upper supporting frame descends to the lowest position so as to meet the use requirement. In use, the front baffle 82 is mounted on the metal moving frame 1 and then serves as a movable seat which can be moved by the caster 15 relative to the base 81 between a retracted position retracted inside the base 81 and an extended position (i.e., the position shown in fig. 4) extended outside the base 101. The upper supporting frame 2 is provided with a movable plate 83 which is horizontally distributed, and the movable plate 83 is supported to the front baffle 82 in a lifting way through the whole hinge structure and is in butt joint with the upper end face of the base 81, or is lowered and retracted into the movable seat. When the hinge structure is opened and the movable plate 83 is jacked up to the upper end face of the base 81 for butt joint, the first connecting rod 3 is locked through the locking structure on the metal moving frame 1, so that the first connecting rod 3 can not move any more, the supporting piece 7 supports and positions the first connecting rod 4 at the moment, the whole hinge structure can not move any more to form a supporting structure, the movable plate 83 is supported through the supporting structure, meanwhile, the movable plate 83 is also supported by the front baffle 82, collapse phenomenon caused by dislocation between the movable plate 83 and the front baffle 82 can be effectively prevented, and the movable plate is safer and more reliable to use. In addition, the metal movable frame 1 is adopted as a supporting structure of the movable seat, so that the movable seat is more stable in structure, higher in strength and longer in service life, wood can be reduced, and the movable seat is more energy-saving and environment-friendly.
The locking structure is a locking shaft 11 arranged on the side surface of the metal movable frame 1; the first connecting rod 3 is connected to the side surface of the metal moving frame 1, and a locking groove 31 adapted to the locking shaft 11 is formed on the side edge of the first connecting rod 3. When the locking is required, the first connecting rod 3 rotates to the locking groove 31 at the side edge of the first connecting rod 3 to be sleeved on the periphery of the lock shaft 11, and meanwhile, the supporting piece 7 supports and positions the first connecting rod 4, so that the locking is realized, and the whole hinge structure is in an immovable state at the moment, so that an immovable supporting structure is formed, and the movable plate 83 is stably supported.
The guide wheel 12 is arranged on the outer side surface of the metal moving frame 1, so that when the metal moving frame 1 moves relative to the base 81, the guide wheel 12 contacts with the inner wall of the base 81, smoothness of movement is guaranteed, the moving track of the metal moving frame 1 relative to the base 81 is a linear track, after the metal moving frame 1 moves out, the movable plate 83 arranged on the hinge structure is in the same line with the base 81, and therefore the later movable plate 83 is abutted with the upper end surface of the base 81 after being jacked up, position adjustment is not needed again in the later stage, and the use is more convenient.
The metal movable frame 1 is fixed with a first connecting piece 13 and a second connecting piece 14 which extend upwards at two ends, the first connecting piece 13 and the second connecting piece 14 are used for installing a front baffle and a side plate, the assembly structure is more stable, and the service life is longer. The cross sections of the first connecting sheet 13 and the second connecting sheet 14 are in right angles, and the baffle and the side plates are more convenient to assemble.
The upper support frame 2 comprises a main body portion 21 with a right angle-shaped longitudinal section, and a first connecting portion 22 and a second connecting portion 23 which are integrally formed at two ends of the main body portion 21 and distributed in a splayed shape, wherein the tail end of the first connecting portion 22 is hinged with the upper end of the second connecting rod 4, and the tail end of the second connecting portion 23 is hinged with the upper end of the third connecting rod 5, so that better hinged assembly can be realized.
The upper supporting frame 2 is supported and unfolded to be in a horizontal state through the first connecting rod 3, the second connecting rod 4 and the third connecting rod 5, and the supporting piece 7 is in a vertical state.
In summary, in the present utility model, when in use, the front baffle 82 is mounted on the metal moving frame 1 and then serves as a movable seat, and the movable seat can move between a retracted position retracted inside the base 81 and an extended position extended outside the base 101 relative to the base 81 by the caster 15. The upper supporting frame 2 is provided with a movable plate 83 which is horizontally distributed, and the movable plate 83 is supported to the front baffle 82 in a lifting way through the whole hinge structure and is in butt joint with the upper end face of the base 81, or is lowered and retracted into the movable seat. When the hinge structure is opened and the movable plate 83 is jacked up to the upper end face of the base 81 for butt joint, the first connecting rod 3 is locked through the locking structure on the metal moving frame 1, so that the first connecting rod 3 can not move any more, the supporting piece 7 supports and positions the first connecting rod 4 at the moment, the whole hinge structure can not move any more to form a supporting structure, the movable plate 83 is supported through the supporting structure, meanwhile, the movable plate 83 is also supported by the front baffle 82, collapse phenomenon caused by dislocation between the movable plate 83 and the front baffle 82 can be effectively prevented, and the movable plate is safer and more reliable to use. In addition, the metal movable frame 1 is adopted as a supporting structure of the movable seat, so that the movable seat is more stable in structure, higher in strength and longer in service life, wood can be reduced, and the movable seat is more energy-saving and environment-friendly.
It is understood that the foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, but rather is to be accorded the full scope of all such modifications and equivalent structures, features and principles as set forth herein.
Claims (7)
1. A hinge structure for a drawer-type sofa bed, characterized in that: the novel metal movable support comprises a metal movable support (1), an upper support frame (2), a first connecting rod (3) and a second connecting rod (4) hinged to one side of the metal movable support and one side of the upper support frame (2), a third connecting rod (5) hinged to the other side of the metal movable support (1) and the other side of the upper support frame (2), a supporting sheet (7) hinged to the middle of the metal movable support (1) and the middle of the second connecting rod (4), and a locking structure which is arranged on the metal movable support (1) and used for being inlaid and positioned with the first connecting rod (3), wherein casters (15) are arranged on two sides of the lower end of the metal movable support (1), and the first connecting rod (3) and the second connecting rod (4) are hinged.
2. A hinge structure for a drawer-type sofa bed according to claim 1, characterized in that: the locking structure is a locking shaft (11) arranged on the side surface of the metal movable frame (1); the first connecting rod (3) is connected to the side face of the metal movable frame (1), and a locking groove (31) matched with the locking shaft (11) is formed in the side edge of the first connecting rod (3).
3. A hinge structure for a drawer-type sofa bed according to claim 2, characterized in that: the outer side surface of the metal moving frame (1) is provided with a guide wheel (12).
4. A hinge structure for a drawer-type sofa bed according to any one of claims 1-3, characterized in that: the two ends of the metal movable frame (1) are also fixed with a first connecting sheet (13) and a second connecting sheet (14) which extend upwards.
5. The hinge structure for a drawer-type sofa bed according to claim 4, wherein: the cross sections of the first connecting sheet (13) and the second connecting sheet (14) are right-angle.
6. A hinge structure for a drawer-type sofa bed according to any one of claims 1-3, characterized in that: the upper support frame (2) comprises a main body part (21) with a right angle-shaped longitudinal section, and a first connecting part (22) and a second connecting part (23) which are integrally formed at two ends of the main body part (21) and distributed in a splayed shape, wherein the tail end of the first connecting part (22) is hinged with the upper end of the second connecting rod (4), and the tail end of the second connecting part (23) is hinged with the upper end of the third connecting rod (5).
7. The hinge structure for a drawer-type sofa bed according to claim 6, wherein: when the upper supporting frame (2) is supported and unfolded to be in a horizontal state through the first connecting rod (3), the second connecting rod (4) and the third connecting rod (5), the supporting piece (7) is in a vertical state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222963196.7U CN219088785U (en) | 2022-11-07 | 2022-11-07 | Hinge structure for drawer type sofa bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222963196.7U CN219088785U (en) | 2022-11-07 | 2022-11-07 | Hinge structure for drawer type sofa bed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219088785U true CN219088785U (en) | 2023-05-30 |
Family
ID=86455016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222963196.7U Active CN219088785U (en) | 2022-11-07 | 2022-11-07 | Hinge structure for drawer type sofa bed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219088785U (en) |
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2022
- 2022-11-07 CN CN202222963196.7U patent/CN219088785U/en active Active
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