Hinge, foldable door structure and cabinet using same
Technical Field
The invention relates to the technical field of supporting mechanisms, in particular to a hinge, a foldable door structure and a cabinet using the door structure.
Background
The door can be used in the fields of burglary-resisting doors, window doors, cabinet doors and the like in the home. Due to the hinge structure and the connection relationship between the hinge and the door structure, the existing double door (i.e., the door with both sides openable) generally has an opening angle of less than 180 °. Thus, the existing door structure generally has the following defects:
1. The existing double door cannot be fully unfolded due to the influence of a hinge structure, namely, the opening angle is smaller than 180 degrees, so that the whole cabinet body cannot be exposed when the double door is applied to the cabinet door, and a user cannot conveniently arrange articles in the cabinet in order to provide enough space.
2. The door structure is influenced by a hinge structure, and after the existing door structure is unfolded, a large space is occupied, so that the application scene of the door structure (or a cabinet) is limited, the operation of a user is not facilitated, and the user is caused to arrange articles in the cabinet and is often interfered by the cabinet door, so that the efficiency is influenced.
Therefore, improvements are needed in existing hinges.
Disclosure of Invention
In order to overcome the shortcomings of the prior art, one of the purposes of the present invention is to provide a hinge that allows the door structure to be fully deployed, but also allows the door structure to be stowed, even if the door structure occupies a small space.
The second object of the present invention is to provide a door structure capable of folding.
It is a further object of the present invention to provide a cabinet.
One of the purposes of the invention is realized by adopting the following technical scheme:
The hinge comprises a fixed seat, a left rotating seat and a right rotating seat;
The fixing seat is provided with a containing groove, the fixing seat is provided with a first hinge post and a second hinge post, the first hinge post and the second hinge post are both positioned in the containing groove, and the first hinge post and the second hinge post are parallel to each other and are separated by a certain distance;
The first side of the left rotating seat is pivotally connected with the first hinge post, the second side of the left rotating seat is opposite to the first side of the left rotating seat, and the second side of the left rotating seat is positioned outside the accommodating groove;
the first side of the right rotating seat is pivotally connected with the second hinge post, the second side of the right rotating seat is opposite to the first side of the right rotating seat, and the second side of the right rotating seat is positioned outside the accommodating groove;
The second side of the left rotating seat and the second side of the right rotating seat can be close to each other or far away from each other;
the hinge also comprises a linkage assembly, wherein the linkage assembly comprises a first rotating rod, a second rotating rod and a third rotating rod;
The first end of the first rotating rod is pivotally connected with the fixed seat, the second end of the first rotating rod is pivotally connected with the second rotating rod, the first end of the second rotating rod is pivotally connected with the left rotating seat, the first end of the third rotating rod is pivotally connected with the right rotating seat, and the second end of the second rotating rod is pivotally connected with the second end of the third rotating rod.
Further, the hinge further comprises a first torsion spring and a second torsion spring, the first torsion spring is sleeved with the first hinge post, two ends of the first torsion spring are respectively fixed on the fixing seat and the left rotating seat, the second torsion spring is sleeved with the second hinge post, and two ends of the second torsion spring are respectively fixed on the fixing seat and the right rotating seat.
Further, the fixing seat is provided with a first hinge hole and a second hinge hole, and the first hinge hole and the second hinge hole are movably sleeved with the first hinge column and the second hinge column respectively.
Further, the fixing seat protrudes from the bottom wall of the accommodating groove into the accommodating groove to form a rib plate, and the first hinge hole and the second hinge hole are both arranged on the rib plate.
Further, the linkage assembly is located in the accommodating groove, the first rotating rod is pivotally connected with the first side wall of the accommodating groove, two linkage assemblies are arranged, the two linkage assemblies are located on two opposite sides of the left rotating seat respectively, and the first hinge hole and the second hinge hole are located between the two linkage assemblies.
Further, one of the left rotating seat and the second side wall of the accommodating groove is provided with a first abdication groove, the first abdication groove is used for accommodating the left rotating seat or the second side wall of the accommodating groove, one of the right rotating seat and the third side wall of the accommodating groove is provided with a second abdication groove, and the second abdication groove is used for accommodating the right rotating seat or the third side wall of the accommodating groove.
The second purpose of the invention is realized by adopting the following technical scheme:
the folding door structure comprises the hinge.
The foldable door structure further comprises a first door plate, a second door plate and a third door plate, wherein the second door plate is positioned between the first door plate and the third door plate, the fixed seat is fixedly connected with the second door plate, the second side of the left rotating seat and the second side of the right rotating seat are respectively and fixedly connected with the first door plate and the third door plate, when the second side of the left rotating seat and the second side of the right rotating seat are mutually closed, the first door plate and the third door plate are mutually closed by rotating relative to the second door plate, when the second side of the left rotating seat and the second side of the right rotating seat are mutually far away, the first door plate and the third door plate are mutually far away by rotating relative to the second door plate, and the first door plate, the second door plate and the third door plate are coplanar.
Further, the width of the first door plate is larger than that of the second door plate and is equal to that of the third door plate.
The third purpose of the invention is realized by adopting the following technical scheme:
The cabinet comprises the foldable door structure.
Compared with the prior art, the invention has the beneficial effects that:
1. The hinge is pivotally connected with the first hinge post through the first side of the left rotating seat, and the first side of the right rotating seat is pivotally connected with the second hinge post, so that the second side of the left rotating seat can do circular arc rotating motion around the first side of the left rotating seat, and the second side of the right rotating seat can do circular arc rotating motion around the first side of the right rotating seat, thereby realizing that the second side of the left rotating seat and the second side of the right rotating seat can be close to or far away from each other. When the door plate fixed with the left rotating seat and the door plate fixed with the right rotating seat are close to each other, the three door plates are close to each other, which is equivalent to occupying the space of only one door plate, so that the whole door structure occupies small space, the interference to the movable range of a user is small, and the use is more convenient. When the door structure is used for the cabinet door, the cabinet door is in a completely opened state, so that a user can conveniently tidy articles in the cabinet, and the window door and the cabinet door provided with the hinge are suitable for being used in more narrow spaces.
2. The first end of the first rotating rod is pivotally connected with the fixed seat, so that the first end of the first rotating rod is used as a supporting element for supporting the left rotating seat and the right rotating seat and a travel limiting element, and the moving range of the left rotating seat and the right rotating seat is limited. The second end of the first rotating rod rotates around the first end of the rotating rod in an arc mode, the first side of the left rotating seat is matched with the first hinge post in a pivoted mode, the first side of the right rotating seat is matched with the second hinge post in a pivoted mode, and the left rotating seat and the right rotating seat can be enabled to be in a repeated approaching or separating process.
3. Because the second end pivot of first dwang connects the second dwang, the first end pivot of second dwang connects the left rotation seat, and the first end pivot of third dwang connects the right rotation seat, the second end pivot of second dwang is connected with the second end pivot of third dwang. Therefore, the left rotating seat and the right rotating seat are in synchronous motion, namely, the right rotating seat naturally performs mirror image motion under the linkage effect only by pulling the left rotating seat, so that the use is very convenient.
Drawings
FIG. 1 is a schematic view of a hinge according to the present invention;
Fig. 2 is a schematic structural view of a foldable door structure (a first door panel and a third door panel are in a state of being far away from each other) according to the present invention;
fig. 3 is a schematic structural view of the foldable door structure shown in fig. 2 (the first door panel and the third door panel are switched between a mutually closed state and a mutually far state);
Fig. 4 is a schematic view showing a structure of the foldable door shown in fig. 2 (the first door panel and the third door panel are in a state of being close to each other).
In the figure, 1, a fixed seat, 11, a containing groove, 111, a first side wall of the containing groove, 112, a second side wall of the containing groove, 1121, a first abdication groove, 113, a third side wall of the containing groove, 1131, a second abdication groove, 12, a first hinge post, 13, a second hinge post, 14, a rib plate, 2, a left rotating seat, 3, a right rotating seat, 41, a first rotating rod, 42, a second rotating rod, 43, a third rotating rod, 51, a first torsion spring, 52, a second torsion spring, 61, a first door plate, 62, a second door plate, 63 and a third door plate are shown.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and detailed description, wherein it is to be understood that, on the premise of no conflict, the following embodiments or technical features may be arbitrarily combined to form new embodiments.
Fig. 1 shows a hinge of the present invention, comprising a fixed seat 1, a left rotary seat 2, a right rotary seat 3.
The holding tank 11 has been seted up to fixing base 1, and fixing base 1 is equipped with first articulated column 12 and second articulated column 13, and first articulated column 12 and second articulated column 13 all are located holding tank 11, and first articulated column 12 and second articulated column 13 are parallel to each other and the certain distance of interval. It will be appreciated that the first side of the left rotary seat 2 is located in the accommodating groove 11, and the first side of the right rotary seat 3 is located in the accommodating groove 11, so that the hinge structure is more compact, and the space occupied by the whole hinge is reduced. In addition, the accommodating groove 11 can protect the connection part between the first side of the left rotating seat 2 and the first hinge post 12, and in the same way, the accommodating groove 11 can protect the connection part between the first side of the right rotating seat 3 and the second hinge post 13.
The first side of the left rotary seat 2 is pivotally connected to the first hinge post 12, and the second side of the left rotary seat 2 is opposite to the first side of the left rotary seat 2, and the second side of the left rotary seat 2 is located outside the accommodating groove 11. It will be appreciated that by locating the second side of the left rotary seat 2 outside the receiving slot 11, it is ensured that the second side of the left rotary seat 2 is normally connected to the door structure.
The first side of the right rotating seat 3 is pivotally connected to the second hinge post 13, and the second side of the right rotating seat 3 is opposite to the first side of the right rotating seat 3, and the second side of the right rotating seat 3 is located outside the accommodating groove 11. It will be appreciated that by locating the second side of the right swivel mount 3 outside the receiving slot 11, it is ensured that the second side of the right swivel mount 3 is normally connected to the door structure.
Since the second side of the left rotary seat 2 can perform an arc rotary motion around the first side (or the first hinge post 12) of the left rotary seat 2, the second side of the right rotary seat 3 can perform an arc rotary motion around the first side (or the second hinge post 13) of the right rotary seat 3. Therefore, the second side of the left rotary seat 2 and the second side of the right rotary seat 3 can be moved toward each other or away from each other.
The hinge further comprises a linkage assembly comprising a first rotating rod 41, a second rotating rod 42 and a third rotating rod 43.
The first end of the first rotating lever 41 is pivotally connected to the fixing base 1, and the second end of the first rotating lever 41 is pivotally connected to the second rotating lever 42. The first end of the second rotating rod 42 is pivotally connected to the left rotating seat 2, the first end of the third rotating rod 43 is pivotally connected to the right rotating seat 3, and the second end of the second rotating rod 42 is pivotally connected to the second end of the third rotating rod 43. The pivot position of the first rotating lever 41 and the second rotating lever 42 may be located at any position of the second rotating lever 42, and in this embodiment, the pivot position of the first rotating lever 41 and the second rotating lever 42 is located between the first end of the second rotating lever 42 and the second end of the second rotating lever 42, and the distance between the first end of the second rotating lever 42 and the second end of the second rotating lever 42 is smaller than the distance between the first end of the second rotating lever and the second end of the second rotating lever 42. This arrangement is advantageous in that the three links of the first rotating lever 41, the second rotating lever 42, and the third rotating lever 43 can be more effectively linked.
The pivotal connection mode in this embodiment may be a connection through a pin, or a connection through a bolt and a nut (i.e. in an incompletely locked state), or one of the components may form a cylinder and be movably sleeved with a hole of the other component, and the pivotal connection mode is not enumerated, which is not repeated in this embodiment.
In order to facilitate understanding of the specific use manner of the hinge, referring to fig. 2-4, the left rotating seat 2, the fixing seat 1, the right rotating seat 3 and three door panels are respectively and fixedly connected, and when the second side of the left rotating seat 2 and the second side of the right rotating seat 3 can be mutually close to or far away from each other, the door panels fixed with the left rotating seat 2 and the door panels fixed with the right rotating seat 3 can be mutually close to or far away from each other. It can be understood that when the two door plates are in a mutually closed state, namely in a folded state, the cabinet door is in a completely opened state when the door plates are applied to the cabinet, so that the user can conveniently tidy articles in the cabinet. In addition, at the moment, the three door plates are mutually close, which is equivalent to occupying the space of only one door plate, thereby reducing the interference to the movable range of the user and being more convenient to use.
Obviously, in summary, the hinge of the present invention is pivotally connected to the first hinge post 12 through the first side of the left rotating seat 2, and the first side of the right rotating seat 3 is pivotally connected to the second hinge post 13, so that the second side of the left rotating seat 2 can perform an arc rotation motion around the first side of the left rotating seat 2, and the second side of the right rotating seat 3 can perform an arc rotation motion around the first side of the right rotating seat 3, thereby realizing that the second side of the left rotating seat 2 and the second side of the right rotating seat 3 can be close to each other or far from each other. When the door plates fixed with the left rotating seat 2 and the right rotating seat 3 are mutually close, the three door plates are mutually close, which is equivalent to the space occupied by only one door plate, so that the whole door structure occupies small space, the interference to the movable range of a user is small, and the use is more convenient. When the door structure is used for the cabinet door, the cabinet door is in a completely opened state, so that a user can conveniently tidy articles in the cabinet, and the window door and the cabinet door provided with the hinge are suitable for being used in more narrow spaces.
The first end of the first rotating lever 41 is pivotally connected to the fixing base 1, so that the first end of the first rotating lever 41 serves as a supporting element and a stroke limiting element for supporting the left rotating base 2 and the right rotating base 3, thereby limiting the movable ranges of the left rotating base 2 and the right rotating base 3. The second end of the first rotating rod 41 rotates around the first end of the rotating rod in an arc manner, and is matched with the first side of the left rotating seat 2 to be pivotally connected with the first hinge post 12, and the first side of the right rotating seat 3 to be pivotally connected with the second hinge post 13, so that the left rotating seat 2 and the right rotating seat 3 can be enabled to be in a process of approaching or separating from each other repeatedly.
Further, since the second end of the first rotating lever 41 is pivotally connected to the second rotating lever 42, the first end of the second rotating lever 42 is pivotally connected to the left rotating seat 2, the first end of the third rotating lever 43 is pivotally connected to the right rotating seat 3, and the second end of the second rotating lever 42 is pivotally connected to the second end of the third rotating lever 43. Therefore, the left rotating seat 2 and the right rotating seat 3 are in synchronous motion, that is, the right rotating seat 3 naturally performs mirror image motion under the linkage effect only by pulling the left rotating seat 2, so that the use is very convenient.
In this embodiment, the scheme is further optimized.
Preferably, the hinge further comprises a first torsion spring 51 and a second torsion spring 52, the first torsion spring 51 is sleeved on the first hinge post 12, and two ends of the first torsion spring 51 are respectively fixed on the fixing seat 1 and the left rotating seat 2. The second torsion spring 52 is sleeved with the second hinge post 13, and two ends of the second torsion spring 52 are respectively fixed on the fixed seat 1 and the right rotating seat 3. It will be appreciated that the impact force is buffered by the first torsion spring 51 and the second torsion spring 52, so that the second side of the left rotating seat 2 and the second side of the right rotating seat 3 are elastically buffered when they are close to each other, so as to prevent the left rotating seat 2 and the right rotating seat 3 from causing strong rigid impact to the fixing seat 1, and particularly prevent impact between door panels after being mounted to a door structure. Moreover, the first torsion spring 51 and the second torsion spring 52 can also provide elasticity to enable the second side of the left rotating seat 2 and the second side of the right rotating seat 3 to be more easily far away, so that when the hinge is applied to a door structure, the door panel is more convenient to pull to close.
Preferably, the fixing base 1 is provided with a first hinge hole (not shown in the figure) and a second hinge hole (not shown in the figure), the first hinge hole and the second hinge hole are respectively movably sleeved with the first hinge post 12 and the second hinge post 13, and the arrangement can enable the first hinge post 12 and the second hinge post 13 to rotate, so that the situation that the first torsion spring 51 or the second torsion spring 52 is damaged when the first torsion spring 51 and the first hinge post 12 are blocked or the second torsion spring 52 and the second hinge post 13 are blocked is avoided. And, the first hinge post 12 and the second hinge post 13 are rotated after long-term use, so that the parts are not excessively worn due to long-term main load. In addition to this arrangement, the first hinge post 12 and the second hinge post 13 may be fixed to the fixing base 1, for example, by welding, bonding, riveting, bolting, or the like.
More preferably, the fixing base 1 protrudes from the bottom wall of the accommodating groove 11 into the accommodating groove 11 to form a rib plate 14, and the first hinge hole and the second hinge hole are both arranged on the rib plate 14. It will be appreciated that both the first hinge hole and the second hinge hole are provided. Two first hinge holes are respectively inserted into two ends of the first hinge post 12, and two second hinge holes are respectively inserted into two ends of the second hinge post 13. The hinge is arranged in such a way that the side wall of the accommodating groove 11 is prevented from being used for supporting the first hinge post 12 and the second hinge post 13, so that more space is reserved in the accommodating groove 11 to accommodate other parts, the occupied space of the hinge is smaller, and more parts of the hinge are accommodated in the accommodating groove 11 to protect the side wall of the accommodating groove 11 and prevent scraping and damage.
Preferably, the linkage assembly is located in the accommodating groove 11, and the first rotating rod 41 is pivotally connected with the first side wall 111 of the accommodating groove, so that the connection between the first rotating rod 41 and the fixing base 1 is located at a hidden position, and the connection between the fixing base 1 and the first rotating member is also provided with a relatively high strength. Further, two linkage assemblies are provided, and the two linkage assemblies are respectively positioned at two sides of the left rotating seat 2 which are oppositely arranged. And the first hinge hole and the second hinge hole are both positioned between the two linkage assemblies. The setting like this is favorable to strengthening the support strength of fixing base 1 to left rotation seat 2 and right rotation seat 3, also makes the structure of this hinge compacter for the space utilization of holding tank 11 is more reasonable.
In order to make left rotation seat 2 and right rotation seat 3 when expanding completely (namely left rotation seat 2 and right rotation seat 3 when keeping away from each other), left rotation seat 2, fixing base 1, right rotation seat 3 all have an terminal surface all to lie in the coplanar to when guaranteeing to use this hinge to the cabinet door, can the parallel and level when each door plant is closed. Preferably, one of the left rotating seat 2 and the second side wall 112 of the accommodating groove is provided with a first yielding groove 1121, wherein the first yielding groove 1121 is used for accommodating the left rotating seat 2 or the second side wall 112 of the accommodating groove, namely, when the first yielding groove 1121 is provided on the left rotating seat 2, the first yielding groove 1121 is used for accommodating the second side wall 112 of the accommodating groove, and when the first yielding groove 1121 is provided on the second side wall 112 of the accommodating groove, the first yielding groove 1121 is used for accommodating the left rotating seat 2. One of the right rotating seat 3 and the third side wall 113 of the accommodating groove is provided with a second yielding groove 1131, and the second yielding groove 1131 is used for accommodating the right rotating seat 3 or the third side wall 113 of the accommodating groove. It is apparent that the second side wall 112 of the receiving groove is disposed opposite the third side wall 113 of the receiving groove. It should be noted that, in addition to this arrangement, the first relief groove 1121 may be omitted, and the structures of the left rotating seat 2 and the right rotating seat 3 may be bent by a certain angle to prevent interference with the second side wall 112 of the accommodating groove and the third side wall 113 of the accommodating groove, where no one end surface of the left rotating seat 2, the fixing seat 1 and the right rotating seat 3 is located in the same plane.
Referring to fig. 2-4, the invention also discloses a foldable door structure comprising a hinge.
Preferably, the foldable door structure further includes a first door panel 61, a second door panel 62, and a third door panel 63. The second door panel 62 is located between the first door panel 61 and the third door panel 63. The fixed seat 1 is fixedly connected with a second door plate 62, and the second side of the left rotating seat 2 and the second side of the right rotating seat 3 are respectively and fixedly connected with a first door plate 61 and a third door plate 63. When the second side of the left rotary seat 2 and the second side of the right rotary seat 3 are close to each other, the first door panel 61 and the third door panel 63 are both rotated to be close to each other (i.e., the first door panel 61 and the third door panel 63 are close to each other) by the second door panel 62. When the second side of the left rotating seat 2 and the second side of the right rotating seat 3 are away from each other, the first door panel 61 and the third door panel 63 are both rotated away from each other (i.e., the first door panel 61 and the third door panel 63 are away from each other) by the second door panel 62, and the first door panel 61, the second door panel 62, and the third door panel 63 are made coplanar. It can be understood that at this time, the second door panel 62 is provided with a groove, a blind hole or a through hole for embedding the fixing seat 1, or the thickness of the first door panel 61 is equal to that of the third door panel 63 and is larger than that of the second door panel 62, so that the thickness of the fixing seat 1 is counteracted to ensure that the first door panel 61, the second door panel 62 and the third door panel 63 are coplanar. Further, a handle (not shown) is attached to the outer side of the second door panel 62. More preferably, the width of the first door panel 61 is greater than the width of the second door panel 62 and is equal to the width of the third door panel 63. This has the advantage of, for example, facilitating the ability of the first door panel 61, the second door panel 62, and the third door panel 63 to cover the doorway of a cabinet of the same area while taking up minimal space when the cabinet door is open.
The cabinet comprises a foldable door structure. One side of the third door panel 63 is connected to the cabinet.
The above embodiments are only preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, but any insubstantial changes and substitutions made by those skilled in the art on the basis of the present invention are intended to be within the scope of the present invention as claimed.