CN212837417U - Anti-impact civil air defense door convenient for fixing door leaf - Google Patents
Anti-impact civil air defense door convenient for fixing door leaf Download PDFInfo
- Publication number
- CN212837417U CN212837417U CN202020764876.4U CN202020764876U CN212837417U CN 212837417 U CN212837417 U CN 212837417U CN 202020764876 U CN202020764876 U CN 202020764876U CN 212837417 U CN212837417 U CN 212837417U
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- China
- Prior art keywords
- air defense
- door leaf
- guide rail
- defense door
- shaped guide
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Abstract
The utility model discloses an impact-proof civil air defense door convenient for fixing a door leaf, which comprises a ground, a wall body, a door hole and a civil air defense door leaf, wherein the ground is provided with the wall body, the door hole is arranged on the wall body, one side of the wall body, which is positioned at the door hole, is fixedly provided with a concave seat through a fixing bolt, the inside of the concave seat is rotatably connected with a rotating shaft, the civil air defense door leaf is welded on the rotating shaft, and an upper arc-shaped guide rail is embedded above the door hole on the wall body; the utility model discloses a be provided with arc guide and lower arc guide, and be provided with the last gyro wheel and the bottom roller that cooperate upper arc guide and lower arc guide used on the people's air defense door leaf, the gravity that sets up people's air defense door leaf does not need whole to be applyed on connection structure, the weight of people's air defense door leaf can be applyed in arc guide under through the bottom roller, the stability of people's air defense door leaf connection structure has been improved, secondly, the setting of gyro wheel and bottom roller is gone up in the adoption for the opening and closing of people's air defense door leaf are all comparatively laborsaving.
Description
Technical Field
The utility model relates to a people's air defense door technical field especially relates to a protecting against shock people's air defense door convenient to fixed door leaf.
Background
The civil air defense door is a door of an entrance and an exit of civil protection engineering, the classification of the civil air defense door is more distinct, and the civil air defense door comprises various civil air defense devices such as a common single-leaf protective airtight door, a common double-leaf protective airtight door and an airtight door, a movable threshold single-leaf protective airtight door, a common double-leaf protective airtight door and an airtight door, and the door is shaped earliest and is widely selected. The entrance and exit device has the characteristics of simple structure, reliable operation and convenient maintenance, and is suitable for the entrances and exits of various civil air defense projects. However, because of the threshold, the movable threshold door or the falling type door with the same size and load grade is changed to be used for projects with frequent access of personnel and vehicles, such as underground shopping malls combined with peacetime and wartime and the like.
At present current people's air defense door is fixed on the wall body through connection structure, and the weight of general people's air defense door is all applyed on connection structure, and secondly people's air defense door can produce the impact force when opening and closing, easily leads to connection structure's damage to warp, so can not satisfy user's demand.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing an impact-proof civil air defense door convenient for fixing a door leaf.
In order to achieve the above purpose, the utility model adopts the following technical scheme: an anti-impact civil air defense door convenient for fixing a door leaf comprises a ground, a wall body, a door hole and a civil air defense door leaf;
the ground is provided with a wall body, the wall body is provided with a door hole, one side of the wall body, which is positioned at the door hole, is fixedly provided with a concave seat through a fixing bolt, the inside of the concave seat is rotatably connected with a rotating shaft, and a civil air defense door leaf is welded on the rotating shaft;
an upper arc-shaped guide rail is embedded above the door hole on the wall body, and an upper roller used in cooperation with the upper arc-shaped guide rail is fixed on the top of the civil air defense door leaf through a bolt;
the civil air defense door is characterized in that a lower arc-shaped guide rail is embedded and installed on the ground, and a lower roller matched with the lower arc-shaped guide rail is fixed at the bottom of the civil air defense door leaf through a bolt.
Preferably, go up the inside first buffer board that is provided with along length both ends of arc guide rail, and first buffer board passes through first slider and goes up the first spout sliding connection who offers on the arc guide rail interior table wall, and the inside of going up the arc guide rail is located one side of first buffer board and inlays to be established and be fixed with first spring, and first spring and first buffer board welded fastening.
Preferably, the second buffer plates are arranged at two ends of the length of the inner portion of the lower arc-shaped guide rail, the second buffer plates are connected with the second sliding grooves formed in the inner surface wall of the lower arc-shaped guide rail in a sliding mode through second sliding blocks, a second spring is fixedly embedded in one side, located on the second buffer plate, of the inner portion of the lower arc-shaped guide rail, and the second spring and the second buffer plates are fixedly welded.
Preferably, the welding has spacing seat down on the outer table wall of arc guide rail, the welding has the third spring on the inside bottom plate of spacing seat, the welding has spacing post on the third spring, and the one end of spacing post runs through down the arc guide rail and extends to inside, the welding has the third slider on the spacing post, and the third spout sliding connection who sets up on third slider and the spacing seat interior table wall.
Preferably, the upper and lower arc-shaped guide rails are symmetrical to each other with respect to the civil air defense door leaf.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses in, this protecting against shock people's air defense door convenient to fixed door leaf, be provided with arc guide and lower arc guide, and be provided with the last gyro wheel and the lower gyro wheel that arc guide and lower arc guide used in the cooperation on the people's air defense door leaf, the gravity of people's air defense door leaf does not need whole applys on connection structure, the weight of people's air defense door leaf can be applyed in arc guide under through the lower gyro wheel, the stability of people's air defense door leaf connection structure has been improved, secondly, adopt the setting of gyro wheel and lower gyro wheel, make opening and closing of people's air defense door leaf all comparatively laborsaving.
2. In the utility model, the upper arc-shaped guide rail and the lower arc-shaped guide rail are respectively provided with the first buffer board and the second buffer board, when the civil air defense door leaf is opened and closed, through the arrangement of the first buffer plate and the second buffer plate, the impact force of the civil air defense door leaf can be reduced, the stress of the civil air defense door leaf connecting piece is reduced, the civil air defense door leaf is prevented from deforming and damaging, the limit column is arranged, when the civil air defense door leaf is opened, the limit column can be pushed to move, the third spring contracts at the moment to move the limit column into the limit seat, after the civil air defense door leaf is opened, the pushing limiting limit can be loosened, the limiting column can be pushed into the lower arc-shaped guide rail under the action of the third spring, the lower idler wheel positioned in the lower arc-shaped guide rail is limited, so that the civil air defense door leaf can be limited, and a user can conveniently enter and exit the civil air defense door leaf.
Drawings
Fig. 1 is a schematic structural view of an impact-proof civil air defense door convenient for fixing a door leaf according to the present invention;
fig. 2 is a schematic structural view of an arc-shaped guide rail under the anti-impact civil air defense door convenient for fixing a door leaf of the utility model;
fig. 3 is a schematic structural view of an upper arc-shaped guide rail of an anti-impact civil air defense door convenient for fixing a door leaf of the utility model;
fig. 4 is the utility model provides a structural schematic diagram of people's air defense door leaf of protecting against shock people's air defense door convenient to fixed door leaf.
Illustration of the drawings:
1. a ground surface; 2. a wall body; 3. a door opening; 4. an upper arc-shaped guide rail; 41. a first buffer plate; 42. A first spring; 43. a first slider; 44. a first slider; 5. a concave seat; 6. a rotating shaft; 7. A civil air defense door leaf; 71. an upper roller; 72. a lower roller; 8. a lower arc-shaped guide rail; 81. a second buffer plate; 82. a second spring; 83. a second chute; 84. a second slider; 85. a third slider; 86. a third chute; 87. a third spring; 88. a limiting seat; 89. a limiting column.
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.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-4, an anti-impact civil air defense door convenient for fixing a door leaf comprises a ground 1, a wall body 2, a door hole 3 and a civil air defense door leaf 7;
a wall body 2 is arranged on the ground 1, a door hole 3 is formed in the wall body 2, a concave seat 5 is fixedly installed on one side, located at the door hole 3, of the wall body 2 through a fixing bolt, a rotating shaft 6 is rotatably connected inside the concave seat 5, and a civil air defense door leaf 7 is welded on the rotating shaft 6;
an upper arc-shaped guide rail 4 is embedded above the door hole 3 on the wall body 2, and an upper roller 71 matched with the upper arc-shaped guide rail 4 is fixed on the top of the civil air defense door leaf 7 through a bolt;
the ground 1 is embedded with a lower arc-shaped guide rail 8, and the bottom of the civil air defense door leaf 7 is fixed with a lower roller 72 matched with the lower arc-shaped guide rail 8.
Go up the inside first buffer board 41 that is provided with along length both ends of arc guide rail 4, and first buffer board 41 passes through first slider 44 and goes up the first spout 43 sliding connection who offers on the interior table wall of arc guide rail 4, and the inside of going up arc guide rail 4 is located one side of first buffer board 41 and inlays to be equipped with first spring 42, and first spring 42 and first buffer board 41 welded fastening.
The inside second buffer board 81 that is provided with along length both ends of lower arc guide rail 8, and second spout 83 sliding connection who offers on second buffer board 81 through second slider 84 and the interior table wall of lower arc guide rail 8, and the inside of lower arc guide rail 8 is located one side of second buffer board 81 and inlays to be equipped with second spring 82, and second spring 82 and second buffer board 81 welded fastening.
The welding has spacing seat 88 on the outer table wall of arc guide rail 8 down, and the welding has third spring 87 on the inside bottom plate of spacing seat 88, and the welding has spacing post 89 on the third spring 87, and the one end of spacing post 89 runs through down arc guide rail 8 and extends to inside, and the welding has third slider 85 on the spacing post 89, and third spout 86 sliding connection who sets up on the table wall in third slider 85 and spacing seat 88.
The upper arc-shaped guide rail 4 and the lower arc-shaped guide rail 8 are symmetrical with each other about the civil air defense door leaf 7.
The working principle of the embodiment is as follows: when the civil air defense door 7 is opened, the upper roller 71 and the lower roller 72 respectively slide in the upper arc-shaped guide rail 4 and the lower arc-shaped guide rail 8 at the moment, then the limiting column 89 can be pushed to move, at the moment, the third spring 87 contracts to move the limiting column 89 into the limiting seat 88, after the civil air defense door 7 is opened, the limiting column 89 can be loosened, under the action of the third spring 87, the limiting column 89 can be pushed into the lower arc-shaped guide rail 8 to limit the lower roller 72 positioned in the lower arc-shaped guide rail 8, so that the civil air defense door 7 can be limited, a user can conveniently go in and out, secondly, the first buffer plate 41 and the second buffer plate 81 are arranged, when the first buffer plate 41 and the second buffer plate 81 are impacted by the upper roller 71 and the lower roller 72 arranged on the civil air defense door 7 in the using process of the civil air defense door 7, at the moment, through the elastic expansion and contraction of the first spring 42 and the second spring 82, can cushion people's air defense door leaf 7, reduce the impact force when people's air defense door leaf 7 opens and closes.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (5)
1. An anti-impact civil air defense door convenient for fixing a door leaf is characterized by comprising a ground (1), a wall body (2), a door hole (3) and a civil air defense door leaf (7);
a wall body (2) is arranged on the ground (1), a door hole (3) is formed in the wall body (2), a concave seat (5) is fixedly installed on one side, located in the door hole (3), of the wall body (2) through a fixing bolt, a rotating shaft (6) is rotatably connected inside the concave seat (5), and a civil air defense door leaf (7) is welded on the rotating shaft (6);
an upper arc-shaped guide rail (4) is embedded above the door hole (3) on the wall body (2), and an upper roller (71) matched with the upper arc-shaped guide rail (4) for use is fixed on the top of the civil air defense door leaf (7) through a bolt;
the ground (1) is embedded with a lower arc-shaped guide rail (8), and a lower roller (72) matched with the lower arc-shaped guide rail (8) for use is fixed at the bottom of the civil air defense door leaf (7) through a bolt.
2. The anti-impact civil air defense door convenient for fixing the door leaf as claimed in claim 1, wherein the inner part of the upper arc-shaped guide rail (4) is provided with first buffer plates (41) along both ends of the length, the first buffer plates (41) are slidably connected with first sliding grooves (43) formed on the inner surface wall of the upper arc-shaped guide rail (4) through first sliding blocks (44), a first spring (42) is embedded and fixed on one side of the first buffer plates (41) in the inner part of the upper arc-shaped guide rail (4), and the first spring (42) and the first buffer plates (41) are welded and fixed.
3. The anti-impact civil air defense door convenient for fixing the door leaf as claimed in claim 1, wherein the lower arc-shaped guide rail (8) is internally provided with second buffer plates (81) along both ends of the length, the second buffer plates (81) are slidably connected with second sliding grooves (83) formed on the inner surface wall of the lower arc-shaped guide rail (8) through second sliding blocks (84), a second spring (82) is embedded and fixed at one side of the second buffer plates (81) in the lower arc-shaped guide rail (8), and the second spring (82) is fixedly welded with the second buffer plates (81).
4. The anti-impact civil air defense door convenient for fixing the door leaf as claimed in claim 1, characterized in that a limiting seat (88) is welded on the outer surface wall of the lower arc-shaped guide rail (8), a third spring (87) is welded on the inner bottom plate of the limiting seat (88), a limiting column (89) is welded on the third spring (87), one end of the limiting column (89) penetrates through the lower arc-shaped guide rail (8) and extends to the inside, a third sliding block (85) is welded on the limiting column (89), and the third sliding block (85) is connected with a third sliding groove (86) formed in the inner surface wall of the limiting seat (88) in a sliding manner.
5. An impact-proof civil air-defense door facilitating the fixing of the door leaf according to claim 1, characterized in that the upper arc-shaped guide (4) and the lower arc-shaped guide (8) are symmetrical to each other with respect to the civil air-defense door leaf (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020764876.4U CN212837417U (en) | 2020-05-11 | 2020-05-11 | Anti-impact civil air defense door convenient for fixing door leaf |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020764876.4U CN212837417U (en) | 2020-05-11 | 2020-05-11 | Anti-impact civil air defense door convenient for fixing door leaf |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212837417U true CN212837417U (en) | 2021-03-30 |
Family
ID=75159877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020764876.4U Expired - Fee Related CN212837417U (en) | 2020-05-11 | 2020-05-11 | Anti-impact civil air defense door convenient for fixing door leaf |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212837417U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114396221A (en) * | 2022-01-18 | 2022-04-26 | 浙江天元门业有限公司 | Pre-buried formula frame prevents fire door with supporting role |
-
2020
- 2020-05-11 CN CN202020764876.4U patent/CN212837417U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114396221A (en) * | 2022-01-18 | 2022-04-26 | 浙江天元门业有限公司 | Pre-buried formula frame prevents fire door with supporting role |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210330 |