CN220705460U - Hinge device capable of automatically closing door and door structure - Google Patents
Hinge device capable of automatically closing door and door structure Download PDFInfo
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- CN220705460U CN220705460U CN202322072561.XU CN202322072561U CN220705460U CN 220705460 U CN220705460 U CN 220705460U CN 202322072561 U CN202322072561 U CN 202322072561U CN 220705460 U CN220705460 U CN 220705460U
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- 238000005452 bending Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 description 4
- 230000001681 protective effect Effects 0.000 description 4
- 230000005484 gravity Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model provides an automatic door closing hinge device and a door structure, which comprise an upper hinge plate and a lower hinge plate, wherein the upper hinge plate is hinged with the lower hinge plate through a vertical hinge shaft, the lower hinge plate comprises a first fixed end fixed on a door frame and a first hinge end for the hinge shaft to penetrate, the upper hinge plate comprises a second fixed end fixed on a door body and a second hinge end for the hinge shaft to penetrate, the second hinge end is positioned above the first hinge end, a first inclined surface is arranged at the top of the lower hinge plate, the top surface of the first fixed end is higher than the top surface of the first hinge end, the top surface of the first fixed end is connected with the top surface of the first hinge end through the first inclined surface, the top of the upper hinge plate is provided with a second inclined surface, the bottom surface of the second hinge end is higher than the bottom surface of the second fixed end, and the bottom surface of the second hinge end is connected with the second hinge end through the second inclined surface.
Description
Technical Field
The utility model relates to the technical field of automatic door closing structure design in the laser processing industry, in particular to an automatic door closing hinge device and a door structure.
Background
The protective fence door and the stair door of the factory equipment can often keep off the road or occupy space after being opened, so that the factory often requires the protective fence door or the stair door to be automatically closed after being opened, thus potential safety hazards can be reduced, and the factory equipment management is facilitated.
It is therefore necessary to design a hinge device for automatically closing the door in order to overcome the above-mentioned problems.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art, and provides a hinge device capable of automatically closing a door and a door structure.
The utility model is realized in the following way:
the utility model provides an automatic door closing hinge device, which comprises an upper hinge plate and a lower hinge plate, wherein the upper hinge plate is hinged with the lower hinge plate through a vertical hinge shaft, the lower hinge plate comprises a first fixed end fixed on a door frame and a first hinge end for the hinge shaft to penetrate, the upper hinge plate comprises a second fixed end fixed on a door body and a second hinge end for the hinge shaft to penetrate, the second hinge end is positioned above the first hinge end, a first inclined surface is arranged at the top of the lower hinge plate, the top surface of the first fixed end is higher than the top surface of the first hinge end, the top surface of the first fixed end is connected with the top surface of the first hinge end through the first inclined surface, a second inclined surface is arranged at the top of the upper hinge plate, the bottom surface of the second hinge end is higher than the bottom surface of the second fixed end, and the bottom surface of the second hinge end is connected with the second hinge end through the second inclined surface.
Further, the hinge hole of the first hinge end is formed by bending one end of the lower hinge plate, and the hinge hole of the second hinge end is formed by bending one end of the upper hinge plate.
Further, the hinge shaft adopts a pin shaft, an anti-falling split pin is arranged at the bottom of the pin shaft, and the split pin is positioned below the lower hinge plate.
Further, the hinge device for automatically closing the door further comprises a first fixing plate, the first fixing plate is fixed on the door frame, and the first fixing end of the lower hinge plate is fixed on the first fixing plate through a screw.
Further, the hinge device for automatically closing the door further comprises a second fixing plate, the second fixing plate is fixed on the door body, and the second fixing end of the upper hinge plate is fixed on the second fixing plate through a screw.
The utility model also provides a door structure capable of automatically closing the door, which comprises a door body and a door frame, and further comprises the hinge device capable of automatically closing the door, wherein the upper hinge plate is fixed on the door body, and the lower hinge plate is fixed on the door frame.
The utility model has the following beneficial effects:
1. the utility model provides an automatic door closing hinge device, wherein a first inclined plane is arranged at the top of a lower hinge plate, when a door is opened, an upper hinge plate is outwards opened, the upper hinge plate is jacked up by the first inclined plane, and after a human hand is released, the upper hinge plate slides back to an initial position under the action of gravity and the first inclined plane, so that the automatic door closing effect is realized.
2. The hinge device capable of automatically closing the door is suitable for protective fence doors, stair doors and the like of factories, and has the advantages of simple structure, convenience in installation, no operation and difficult failure.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is an exploded view of an automatic door closing hinge provided by an embodiment of the present utility model;
FIG. 2 is an assembled view of an automatic door closing hinge according to an embodiment of the present utility model;
fig. 3 is a diagram showing the effect of the hinge after closing the door according to the embodiment of the present utility model;
FIG. 4 is an enlarged view of a portion of FIG. 3 provided in an embodiment of the present utility model;
fig. 5 is a diagram showing the effect of the automatic door closing hinge after door opening according to the embodiment of the present utility model;
fig. 6 is an enlarged view of a portion of fig. 5 provided in an embodiment of the present utility model.
In the figure: the hinge comprises a pin shaft 1, an upper hinge plate 2, a lower hinge plate 3, a first fixing plate 4, screws 5, cotter pins 6 and a second fixing plate 7.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
The terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature.
Referring to fig. 1-6, a first embodiment of the present utility model provides a hinge device for automatically closing a door, including an upper hinge plate 2 and a lower hinge plate 3, wherein the upper hinge plate 2 and the lower hinge plate 3 are hinged by a vertical hinge shaft, the lower hinge plate 3 includes a first fixed end fixed on a door frame and a first hinge end through which the hinge shaft passes, the upper hinge plate 3 includes a second fixed end fixed on a door body and a second hinge end through which the hinge shaft passes, the second hinge end is located above the first hinge end, a first inclined surface is provided at a top of the lower hinge plate, a top surface of the first fixed end is higher than a top surface of the first hinge end, and a top surface of the first fixed end is connected with a top surface of the first hinge end by the first inclined surface; the top of the upper hinge plate is provided with a second inclined plane, the bottom surface of the second hinge end is higher than the bottom surface of the second fixed end, and the bottom surface of the second hinge end is connected with the bottom surface of the second fixed end through the second inclined plane. When the door is opened, the upper hinge plate is outwards opened, the upper hinge plate is jacked up by the first inclined surface, and after the upper hinge plate is loosened by hands, the upper hinge plate slides back to the initial position under the action of gravity and the first inclined surface, so that the effect of automatically closing the door is realized. In this embodiment, the hinge shaft adopts a pin 1.
In this embodiment, the hinge device for automatically closing the door further includes a first fixing plate 4, the first fixing plate 4 is fixed on the door frame, and the first fixing end of the lower hinge plate 3 is fixed on the first fixing plate 4 through a screw 5. The hinge device for automatically closing the door further comprises a second fixing plate 7, wherein the second fixing plate 7 is fixed on the door body, and the second fixing end of the upper hinge plate 2 is fixed on the second fixing plate 7 through a screw 5. In optimizing the above embodiment, the first fixing plate 4 is welded to the door frame, and the second fixing plate 7 is welded to the door body.
As shown in fig. 1, the hinge hole of the first hinge end is formed by bending one end of the lower hinge plate 3; the size of the other end of the lower hinge plate 3 is matched with that of the first fixing plate 4, and the lower hinge plate 3 is fixedly connected with the first fixing plate 4 through two screws 5 which are arranged at intervals up and down. As shown in fig. 1, the hinge hole of the second hinge end is formed by bending one end of the upper hinge plate 2; the size of the other end of the upper hinge plate 2 is matched with that of the second fixing plate 7, and the upper hinge plate 2 is fixedly connected with the second fixing plate 7 through two screws 5 which are arranged at intervals up and down. Simple structure, convenient manufacture and low cost. The top of the lower hinge plate 3 may be further provided with a chamfer surface to facilitate the rotation of the upper hinge plate 2.
In this embodiment, the pin 1 penetrates through the hinge hole of the second hinge end and the hinge hole of the first hinge end, a cotter pin 6 is disposed at the bottom of the pin 1, and the cotter pin 6 is located below the lower hinge plate 3. The cotter pin 6 penetrates through the bottom end of the pin shaft 1 along the horizontal direction, the caliber of the hinge hole of the first hinge end is smaller than the length of the cotter pin 6, and the cotter pin 6 can prevent the pin shaft 1 from falling off. The pin shaft 1 connects the upper hinge plate 2 and the lower hinge plate 3 in series, so that the upper hinge plate 2 can rotate around the pin shaft 1.
The second embodiment of the utility model provides a door structure capable of automatically closing a door, which comprises a door body and a door frame, and further comprises the hinge device capable of automatically closing the door, wherein the upper hinge plate 2 is fixed on the door body, and the lower hinge plate 3 is fixed on the door frame.
In this embodiment, the upper hinge plate 2 and the lower hinge plate 3 are designed to have oblique angles, and when the door is opened, the door always rotates towards the direction of overlapping oblique angles under the influence of gravity and the oblique angles until the door is closed. The hinge device capable of automatically closing the door is suitable for protective fence doors, stair doors and the like of factories. The advantage is simple structure, simple to operate, exempts from the operation, is difficult for inefficacy.
What is not described in detail in this specification is prior art known to those skilled in the art.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (6)
1. A hinge device for automatically closing a door, comprising: including last hinge plate and lower hinge plate, it links to each other through vertical hinge shaft to go up hinge plate and lower hinge plate, lower hinge plate is including fixing the first stiff end on the door frame and confession the first hinge end that the hinge shaft runs through, go up the hinge plate including fixing the second stiff end on the door body and confession the second hinge end that the hinge shaft runs through, the second hinge end is located the top of first hinge end, lower hinge plate top is equipped with first inclined plane, the top surface of first stiff end is higher than the top surface of first hinge end, the top surface of first stiff end pass through first inclined plane with the top surface of first hinge end links to each other, it is equipped with the second inclined plane to go up the hinge plate top, the bottom surface of second hinge end is higher than the bottom surface of second stiff end, the bottom surface of second hinge end pass through the second inclined plane with the bottom surface of second stiff end links to each other.
2. The hinge device for automatically closing a door as claimed in claim 1, wherein: the hinge hole of the first hinge end is formed by bending one end of the lower hinge plate, and the hinge hole of the second hinge end is formed by bending one end of the upper hinge plate.
3. The hinge device for automatically closing a door as claimed in claim 1, wherein: the hinge shaft adopts a pin shaft, an anti-falling cotter pin is arranged at the bottom of the pin shaft, and the cotter pin is positioned below the lower hinge plate.
4. The hinge device for automatically closing a door as claimed in claim 1, wherein: the door frame is characterized by further comprising a first fixing plate, wherein the first fixing plate is fixed on the door frame, and the first fixing end of the lower hinge plate is fixed on the first fixing plate through a screw.
5. The hinge apparatus for automatically closing door as claimed in claim 4, wherein: the door further comprises a second fixing plate, the second fixing plate is fixed on the door body, and the second fixing end of the upper hinge plate is fixed on the second fixing plate through a screw.
6. The utility model provides an automatic door structure of closing door, includes door body and door frame, its characterized in that: further comprising a hinge device for automatically closing a door according to any one of claims 1 to 5, wherein the upper hinge plate is fixed to the door body and the lower hinge plate is fixed to the door frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322072561.XU CN220705460U (en) | 2023-08-01 | 2023-08-01 | Hinge device capable of automatically closing door and door structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322072561.XU CN220705460U (en) | 2023-08-01 | 2023-08-01 | Hinge device capable of automatically closing door and door structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220705460U true CN220705460U (en) | 2024-04-02 |
Family
ID=90441691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322072561.XU Active CN220705460U (en) | 2023-08-01 | 2023-08-01 | Hinge device capable of automatically closing door and door structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220705460U (en) |
-
2023
- 2023-08-01 CN CN202322072561.XU patent/CN220705460U/en active Active
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