CN218324647U - Sealing mechanism for civil air defense double-leaf door - Google Patents
Sealing mechanism for civil air defense double-leaf door Download PDFInfo
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- CN218324647U CN218324647U CN202221858448.3U CN202221858448U CN218324647U CN 218324647 U CN218324647 U CN 218324647U CN 202221858448 U CN202221858448 U CN 202221858448U CN 218324647 U CN218324647 U CN 218324647U
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- air defense
- turnover plate
- plate
- civil air
- door
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Abstract
The utility model discloses a sealing mechanism for a civil air defense double-leaf door, which comprises a turnover plate, a support rod and a support base; the turnover plate can turn upwards along a horizontal axis, and the upper surface of the turnover plate is in contact seal with the lower end of the rear surface of the door panel; the back of the turnover plate is provided with a limiting groove or a limiting bulge which is supported by the top of the supporting rod in an abutting mode; the bottom of the supporting rod is rotatably installed with the supporting base, when the turnover plate is turned to be in a vertical state, the supporting rod can rotate to be integrally overlapped with a vertical surface, and the top of the supporting rod can be supported by the limiting groove or the limiting protrusion on the back of the turnover plate in an abutting mode; this civil air defense double-leaf door is with sealing mechanism passes through the upset of returning face plate, and the back is closed when the civil air defense door, can follow the bottom and upturn, plays the sealed efficiency in single-leaf civil air defense door frame bottom, when the state is opened to the civil air defense door, can turn over down to the state of flushing with ground, does not lead to the fact the influence to the current capacity in this door opening.
Description
Technical Field
The utility model relates to a people's air defense safety equipment technical field specifically is a sealing mechanism for people's air defense double-leaf door.
Background
In civil air defense engineering, such as special areas of civil air defense tunnels, ground depots and the like, a civil air defense door needs to be additionally arranged to meet the requirements of special scenes, in common civil air defense doors, single-opening or double-opening civil air defense doors are mainly used, and the single-opening civil air defense door is taken as an example, the civil air defense door has a smaller door opening, is mainly used for personnel to pass through, is provided with a special door frame, and has better sealing performance on the upper edge, the lower edge, the left edge, the right edge and the edge of the closed civil air defense door;
but to two people's air defense doors of opening, its use scene is big door opening, except possessing personnel's current ability, still need possess vehicle current ability, consequently its door frame bottom can't seal, top and both sides can effectively be sealed after people's air defense closes promptly, and the bottom is for reducing the friction between people's air defense door and the ground, certain gap has, after closing, there is the gap its bottom, ponding, smog all can see through the bottom gap entering, consequently, should develop a be used for assisting two equipment of opening people's air defense door bottom sealings, in normal time quantum, do not influence the current ability in people's air defense door opening, in special period, can play supplementary sealed effect.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome current defect, provide a sealing mechanism for people's air defense double leaf door, through the upset of returning face plate, after people's air defense door closed, can follow the bottom and turn over, play the sealed efficiency in single fan people's air defense door frame bottom, when people's air defense door open the state, can turn over down to flushing the state with ground, do not cause the influence to the current capacity of this door opening, can effectively solve the problem in the background art.
In order to achieve the above object, the utility model provides a following technical scheme: a sealing mechanism for a civil air defense double-leaf door comprises a turnover plate, a supporting rod and a supporting base;
the turnover plate can turn upwards along a horizontal axis, and the upper surface of the turnover plate is in contact seal with the lower end of the rear surface of the door panel; the back of the turnover plate is provided with a limiting groove or a limiting bulge which is supported by the top of the supporting rod in an abutting mode;
the bottom of the supporting rod is rotatably installed with the supporting base, when the turnover plate is turned to be in a vertical state, the supporting rod can rotate to be integrally overlapped with a vertical surface, and the top of the supporting rod can be supported in a butting manner with the limiting groove or the limiting protrusion on the back of the turnover plate; when the roll-over plate overturns to the horizontality, the supporting rod can rotate to wholly accomodate in the below of roll-over plate.
As a preferred technical scheme of the utility model, the door panel also comprises a sealing strip arranged below the back surface of the door panel, when the turnover plate is turned over to be vertical, the turnover plate can extrude the sealing strip to form sealing;
during the use, transversely attach the sealing strip at the door plant back of people's air defense door, can not cause any influence to the current capacity in door opening, when people's air defense door was closed, the upset board upwards overturns the back, can extrude the sealing strip to make its surface of deformation laminating upset board, form good sealed between the two, thereby further solve the not enough problem of people's air defense door bottom gap leakproofness.
As a preferred technical scheme of the utility model, the utility model also comprises a fixed plate, the turnover plate is hinged with the fixed plate through a horizontal axis, and a driving shaft fixed with the turnover plate is arranged at the axis of relative rotation, and the end part of the driving shaft is provided with a power input mechanism for driving the driving shaft to rotate;
through placing of fixed plate, for the returning face plate provides the base of upset, and power input adopts worm gear reduction gears to drive, adopts motor or manual drive worm to rotate, drives the worm wheel of arranging with the drive shaft is coaxial, and the two has great reduction ratio, and has the effect of anti-lock, effectively prevents promptly that the returning face plate from receiving the reverse upset of door plant extrusion.
As a preferred technical scheme of the utility model, the upper surfaces of the fixed plate and the turnover plate are both independently and fixedly provided with wear-resistant surface plates, and a gap between the two sets of wear-resistant surface plates is provided with a flexible sealing plate;
in practical application, fixed plate and returning face plate all can adopt materials such as reinforced concrete board, cast iron board to make, and its surface wear resistance exists not enoughly, consequently can adopt the high wear-resisting metal sheet of alloy material preparation to cover, and regularly maintain or change, when guaranteeing to use, returning face plate and door plant back have better sealing performance, and increase flexible sealing plate, can be along with the bending when returning face plate upset, guarantee the leakproofness of fixed plate and returning face plate articulated shaft position.
As a preferred technical solution of the present invention, the supporting base is provided with an inclined supporting surface, the supporting rod can swing in the supporting surface, and a driving mechanism for driving the supporting rod to swing is arranged in the supporting base;
the inclined plane of 45-60 degrees is designed, the supporting rod can swing in the inclined plane, when the supporting rod swings downwards, the downward overturning of the overturning plate is not influenced, the overturning plate can be overturned to be in a horizontal state, and therefore the passing of vehicles is not influenced.
As a preferred technical scheme of the utility model, the driving mechanism comprises a worm wheel which is coaxially and fixedly arranged with the rotating axis of the supporting rod, worms which are synchronously meshed with the worm wheels in all the supporting rods, and a power input mechanism which drives the worms to rotate;
the high reduction ratio and the back locking function of the worm gear and worm speed reducing mechanism are utilized to ensure the stability of the supporting rod, the worm input at the position can be linked with the worm input at the turnover plate during design, and the synchronous motion of the worm gear and worm speed reducing mechanism and the turnover plate is realized by regulating and controlling the transmission ratio of power transmission between the worm gear and worm speed reducing mechanism and the turnover plate.
As a preferred technical solution of the present invention, the driving mechanism includes a gear fixedly disposed coaxially with the rotation axis of the support rod, a rack engaged with the gears in all the support rods, and a power input mechanism driving the rack to move axially;
the rack is driven by small pulling force to move axially by using elements such as a lever and the like and by expanding the force arm, so that the support rod is driven to swing.
Compared with the prior art, the beneficial effects of the utility model are that: this civil air defense double-leaf door is with sealing mechanism adopts the upset board design that can overturn, when the upset board overturns downwards, can keep level with ground, does not influence the trafficability characteristic, when the upset board upwards overturns, can support the civil air defense door back after closing, seals up the bottom gap of civil air defense door, and the back design is used for the bracing piece that supports, promotes the stability of upset board, and when accomodating, the bracing piece is hidden in the upset board below, can not cause the influence to the trafficability characteristic of door opening equally.
Drawings
FIG. 1 is a schematic structural view of the closed state of the civil air defense system of the present invention;
FIG. 2 is a schematic view of the closed state of the civil air defense system of the present invention;
FIG. 3 is a schematic structural view of the civil air defense door of the utility model in an open state;
FIG. 4 is a schematic view of the civil air defense door of the utility model in an open state;
fig. 5 is a schematic view of the supporting base of the present invention.
In the figure: 1. a turnover plate; 2. a support bar; 3. a support base; 4. a sealing strip; 5. a rack; 6. a fixing plate; 7. a flexible sealing plate; 8. a wear-resistant surface plate; 9. a drive shaft.
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.
Referring to fig. 1-5, the present invention provides a technical solution: a sealing mechanism for a civil air defense double-leaf door comprises a turnover plate 1, a support rod 2 and a support base 3;
the turnover plate 1 can be turned upwards along a horizontal axis, and the upper surface of the turnover plate and the lower end of the rear surface of the door panel form contact sealing; the back of the turnover plate 1 is provided with a limiting groove or a limiting bulge which is supported by the top of the supporting rod 2 in an abutting mode;
the bottom of the supporting rod 2 is rotatably installed with the supporting base 3, when the turnover plate 1 is turned to be in a vertical state, the supporting rod 2 can rotate to be integrally overlapped with a vertical surface, and the top of the supporting rod 2 can be supported in a mode of abutting against a limiting groove or a limiting bulge on the back of the turnover plate 1; when the roll-over plate 1 overturns to the horizontal state, the support rod 2 can rotate to be wholly accommodated below the roll-over plate 1.
Referring to fig. 2, the door panel further comprises a sealing strip 4 arranged below the back of the door panel, and when the turnover panel 1 is turned over to be vertical, the turnover panel 1 can extrude the sealing strip 4 to form sealing;
during the use, transversely attach sealing strip 4 at the door plant back of people's air defense door, can not cause any influence to the current capacity in door opening, when people's air defense door was closed, upset board 1 upwards after, can extrude sealing strip 4 to make its surface of deformation laminating upset board 1, form good sealed between the two, thereby further solve the not enough problem of people's air defense door bottom gap leakproofness.
Referring to fig. 1-4, the turnover device further comprises a fixed plate 6, the turnover plate 1 is hinged to the fixed plate 6 through a horizontal axis, a driving shaft 9 fixed to the turnover plate 1 is arranged at the position of the axis of relative rotation, and a power input mechanism for driving the driving shaft 9 to rotate is arranged at the end of the driving shaft 9;
through placing of fixed plate 6, for returning face plate 1 provides the base of upset, and power input adopts worm gear reduction mechanism to drive, adopts motor or manual drive worm to rotate, drives the worm wheel of arranging with the 9 coaxial of drive shaft, and the two has great reduction ratio, and has the effect of anti-lock, effectively prevents returning face plate 1 to receive the reverse upset of door plant extrusion promptly.
Referring to fig. 2 and 4, the upper surfaces of the fixed plate 6 and the turnover plate 1 are respectively and independently fixedly provided with a wear-resistant surface plate 8, and a gap between the two sets of wear-resistant surface plates 8 is provided with a flexible sealing plate 7;
in practical application, the fixed plate 6 and the turnover plate 1 can be made of materials such as reinforced concrete plates and cast iron plates, and the surface wear resistance of the fixed plate and the turnover plate is insufficient, so that the fixed plate and the turnover plate can be covered by high-wear-resistance metal plates made of alloy materials and can be maintained or replaced regularly, and when the turnover plate is used, the turnover plate 1 and the back of the door plate have good sealing performance, the flexible sealing plate 7 is additionally arranged, the turnover plate can be bent along with the turnover plate 1, and the sealing performance of the hinge shaft position of the fixed plate 6 and the turnover plate 1 is ensured.
Referring to fig. 5, the supporting base 3 is provided with an inclined supporting surface, the supporting rod 2 can swing in the supporting surface, and the supporting base 3 is internally provided with a driving mechanism for driving the supporting rod 2 to swing;
the inclined plane of 45-60 degrees is designed, the supporting rod 2 can swing in the inclined plane, when the supporting rod 2 swings downwards, the downward overturning of the overturning plate 1 cannot be influenced, the overturning plate 1 can be overturned to be in a horizontal state, and therefore the passing of vehicles cannot be influenced.
The driving mechanism comprises worm wheels which are coaxially and fixedly arranged with the rotating axes of the supporting rods 2, worms which are synchronously meshed with the worm wheels in all the supporting rods 2, and a power input mechanism for driving the worms to rotate;
the stability of the supporting rod 2 is ensured by utilizing the high reduction ratio and the back locking function of the worm and gear speed reducing mechanism, the worm input at the position can be linked with the worm input at the position of the turnover plate 1 during design, and the synchronous motion of the worm and gear speed reducing mechanism and the turnover plate is realized by regulating and controlling the transmission ratio of power transmission between the worm and gear speed reducing mechanism and the turnover plate.
Referring to fig. 5, the driving mechanism includes a gear fixedly arranged coaxially with the rotation axis of the support rod 2, a rack 5 engaged with the gears in all the support rods 2, and a power input mechanism driving the rack to move axially;
by utilizing elements such as a lever and the like and by means of expanding the force arm, the rack 5 is driven by small pulling force to move axially, so that the support rod 2 is driven to swing.
When in use: digging Shi Gongcao below the door opening of the civil air defense door, fixing the fixing plate 6 at the bottom of the groove through anchor bolts, and paving a wear-resistant surface plate 8 above the fixing plate, wherein the height of the wear-resistant surface plate is equal to the ground; the supporting base 3 is fixed with the bottom of the groove through foundation bolts, the construction groove is a stepped groove, when the turnover plate 1 is in a horizontal state, two ends of the turnover plate are positioned on the stepped surface of the construction groove to support the turnover plate, and the supporting rod 2 is hidden in the groove body below the turnover plate 1; and the back of the civil air defense door is horizontally and transversely stuck, and the sticking height is not higher than the turning radius of the turnover plate 1.
During operation, when the civil air defense door is completely closed, the external power input drives the driving shaft 9 to rotate until the turnover plate 1 is completely turned over to be in contact with the sealing strip 4 for sealing; the bracing piece 2 is synchronous or lagged to rotate, and the top risees gradually, and is spacing groove or spacing arch until supporting 1 back of returning face plate, and at this moment, returning face plate 1, ground and bracing piece 2 form stable triangular structure, have stronger stability.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a people's air defense double-leaf door is with sealing mechanism, includes roll-over plate (1), bracing piece (2) and support base (3), its characterized in that:
the turnover plate (1) can be turned upwards along a horizontal axis, and the upper surface of the turnover plate and the lower end of the rear surface of the door panel form contact sealing; the back of the turnover plate (1) is provided with a limiting groove or a limiting bulge which is supported by the top of the supporting rod (2) in an abutting mode;
the bottom of the supporting rod (2) is rotatably installed with the supporting base (3), when the turnover plate (1) is turned to be in a vertical state, the supporting rod (2) can be rotated to be integrally overlapped with a vertical surface, and the top of the supporting rod (2) can be abutted against and supported by a limiting groove or a limiting bulge on the back of the turnover plate (1); when the turnover plate (1) is turned to be in a horizontal state, the support rod (2) can be rotated to be integrally stored below the turnover plate (1).
2. The sealing mechanism for the civil air defense double-leaf door according to claim 1, characterized in that: the door panel is characterized by further comprising a sealing strip (4) installed below the back face of the door panel, and when the turnover plate (1) is turned to be in a vertical state, the turnover plate (1) can extrude the sealing strip (4) to form sealing.
3. The sealing mechanism for the civil air defense double-leaf door according to claim 1, characterized in that: still include fixed plate (6), returning face plate (1) is articulated through horizontal axis with fixed plate (6), and relative pivoted axis department is provided with drive shaft (9) fixed with returning face plate (1), drive shaft (9) tip is provided with its pivoted power input mechanism of drive.
4. The sealing mechanism for the civil air defense double-leaf door according to claim 3, characterized in that: the upper surfaces of the fixed plate (6) and the turnover plate (1) are respectively and independently fixedly provided with a wear-resistant surface plate (8), and a gap between the two sets of wear-resistant surface plates (8) is provided with a flexible sealing plate (7).
5. The sealing mechanism for the civil air defense double-leaf door as claimed in claim 1, wherein: the supporting base (3) is provided with an inclined supporting surface, the supporting rod (2) can swing in the supporting surface, and a driving mechanism for driving the supporting rod (2) to swing is arranged in the supporting base (3).
6. The sealing mechanism for the civil air defense double-leaf door as claimed in claim 5, wherein: the driving mechanism comprises worm wheels which are coaxially and fixedly arranged with the rotating axes of the supporting rods (2), worms which are synchronously meshed with the worm wheels in all the supporting rods (2), and a power input mechanism for driving the worms to rotate.
7. The sealing mechanism for the civil air defense double-leaf door as claimed in claim 5, wherein: the driving mechanism comprises gears which are coaxially and fixedly arranged with the rotating axes of the supporting rods (2), racks (5) which are meshed with the gears in all the supporting rods (2), and a power input mechanism which drives the racks to move axially.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221858448.3U CN218324647U (en) | 2022-07-19 | 2022-07-19 | Sealing mechanism for civil air defense double-leaf door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221858448.3U CN218324647U (en) | 2022-07-19 | 2022-07-19 | Sealing mechanism for civil air defense double-leaf door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218324647U true CN218324647U (en) | 2023-01-17 |
Family
ID=84870877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221858448.3U Active CN218324647U (en) | 2022-07-19 | 2022-07-19 | Sealing mechanism for civil air defense double-leaf door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218324647U (en) |
-
2022
- 2022-07-19 CN CN202221858448.3U patent/CN218324647U/en active Active
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