CN212002833U - Movable doorsill of civil air defense door - Google Patents
Movable doorsill of civil air defense door Download PDFInfo
- Publication number
- CN212002833U CN212002833U CN202020389756.0U CN202020389756U CN212002833U CN 212002833 U CN212002833 U CN 212002833U CN 202020389756 U CN202020389756 U CN 202020389756U CN 212002833 U CN212002833 U CN 212002833U
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- threshold
- door frame
- air defense
- backing plate
- plate
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Abstract
The utility model discloses a people's air defense door threshold that lives, including door frame, first threshold body and bolt hole, the bottom of door frame is provided with the bottom plate, and the top of bottom plate is connected with the backing plate through the elasticity spring, the inside of backing plate is seted up flutedly, both sides all are provided with the fixed plate around the backing plate, the spacing groove has all been seted up to the inside of second threshold body and fixture block, and the internal connection of spacing groove has the check lock lever, the inside of fixed plate, first threshold body and second threshold body is seted up in the bolt hole. This people's air defense door threshold that lives, the bottom of door frame set up to hollow form, and the bottom of door frame is provided with the bottom plate to the bottom plate passes through elastic spring and backing plate constitution extending structure, when the backing plate receives the extrusion pressure degree of decline, can cushion the vibrations dynamics of bottom plate through elastic spring like this, thereby slows down the vibrations to whole door frame, effectively reduces the damage to the door frame, guarantees the availability factor of door frame.
Description
Technical Field
The utility model relates to a relevant technical field of people's air defense specifically is a people's air defense door threshold that lives.
Background
In civil air defense engineering, a civil air defense door is indispensable and belongs to civil air defense protective equipment, a movable threshold and a fixed threshold are often arranged in the civil air defense door, the fixed threshold is directly higher than the formed ground when concrete is poured, the movable threshold is not provided with the threshold at ordinary times, the ground is smooth, personnel and vehicles convenient to pass through, and the movable threshold is installed once in use and is more flexible.
But present threshold of living still has some weak points in the use, for example when the installation causes the impact to people's air defense door frame easily, do not have the bradyseism device, cause the damage to people's air defense door frame easily when reciprocating use like this, influence the use of whole people's air defense door, and present threshold of living is mostly monolithic structure in addition, be difficult for the installation, especially more inconvenient when using to the people's air defense door of broad, bring inconvenience for staff's operation, thereby the practicality to the threshold of living has been reduced, so we have provided a people's air defense door threshold of living, so that solve the problem that proposes in the aforesaid.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a people's air defense door threshold, in order to solve the people's air defense door threshold on the present market that the above-mentioned background art provided and cause the impact to the people's air defense door frame easily when the installation, there is not the bradyseism device, cause the damage to the people's air defense door frame easily when reciprocating use like this, influence the use of whole people's air defense door, and current threshold is mostly monolithic structure, be difficult for the installation, especially more inconvenient when using to the people's air defense door of broad, bring inconvenience for staff's operation, thereby the problem of the practicality to the threshold has been reduced.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a people's air defense door threshold that lives, includes door frame, first threshold body and bolt hole, the bottom of door frame is provided with the bottom plate, and the top of bottom plate is connected with the backing plate through the elasticity spring, the inside of backing plate is seted up flutedly, both sides all are provided with the fixed plate around the backing plate, first threshold body is installed in the inside of recess, and the right-hand member of first threshold body is provided with the fixture block to the right side of fixture block is provided with second threshold body, the spacing groove has all been seted up to the inside of second threshold body and fixture block, and the internal connection of spacing groove has the check lock lever, the bolt hole is seted up in the inside of fixed plate, first threshold body and second threshold body, be provided with the connecting block on the outer wall of.
Preferably, the bottom plate and the door frame are connected by welding, and the bottom of the door frame is hollow.
Preferably, the backing plate and the bottom plate form a telescopic structure through an elastic spring, and the thickness of the backing plate is larger than the depth of the groove.
Preferably, the number of the fixing plates is 2, and the fixing plates are connected with the door frame in a rotating mode.
Preferably, the fixture block and the first threshold body are of an integrated structure, the sizes of the first threshold body and the second threshold body are identical to the size of the groove, the limiting grooves in the second threshold body and the fixture block are in threaded connection with the locking rod, and the left end of the second threshold body is concave.
Preferably, the connection mode of connecting block and backing plate is for bonding, and the connecting block is the rubber material to the connection mode of connecting block and door frame is the laminating connection.
Compared with the prior art, the beneficial effects of the utility model are that: the movable threshold of the civil air defense door is provided with a movable threshold,
(1) the bottom of the door frame is hollow, the bottom of the door frame is provided with the bottom plate, and the bottom plate and the base plate form a telescopic structure through the elastic spring, so that when the base plate is subjected to reduced extrusion pressure, the vibration force of the bottom plate can be buffered through the elastic spring, the vibration of the whole door frame is reduced, the damage to the door frame is effectively reduced, and the use efficiency of the door frame is ensured;
(2) the first threshold body and the second threshold body are connected through the clamping block, the clamping block and the second threshold body are internally provided with the limiting grooves, and the limiting grooves are in threaded connection with the locking rod, so that the second threshold body and the first threshold body can be separately installed, and convenience is brought to operation of workers;
(3) establish to rotating between fixed plate and the door frame and be connected, when not using like this, can rotate the fixed plate of front and back both sides and turn down, make the fixed plate be the slope form, the vehicle of being convenient for like this and pedestrian pass through, have increased the flexibility of whole people's air defense door.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the overall structure of the present invention;
FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2 according to the present invention;
fig. 4 is the utility model discloses a bottom plate and backing plate are connected and are cut open the structure schematic diagram on a left side.
In the figure: 1. a door frame; 2. a base plate; 3. an elastic spring; 4. a base plate; 5. a groove; 6. a fixing plate; 7. a first threshold body; 8. a clamping block; 9. a second threshold body; 10. a limiting groove; 11. a locking lever; 12. bolt holes; 13. and (4) connecting the blocks.
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. 1-4, the present invention provides a technical solution: a civil air defense door threshold that moves, including the door frame 1, the bottom plate 2, the spring force 3, the backing plate 4, the recess 5, the fixed plate 6, the first threshold body 7, the fixture block 8, the second threshold body 9, the spacing groove 10, the lock lever 11, the bolt hole 12 and the joint block 13, the bottom of the door frame 1 has the bottom plate 2, and the top of the bottom plate 2 is connected with the backing plate 4 through the spring force 3, the recess 5 is opened in the inside of the backing plate 4, the fixed plate 6 is both arranged on the front and back sides of the backing plate 4, the first threshold body 7 is installed in the recess 5, and the right end of the first threshold body 7 is provided with the fixture block 8, and the right side of the fixture block 8 is provided with the second threshold body 9, the spacing groove 10 is opened in the inside of the second threshold body 9 and the fixture block 8, and the inside of the spacing groove 10 is connected with the lock lever 11, the bolt hole 12 is opened in, the left side and the right side of the backing plate 4 are both provided with connecting blocks 13;
the bottom plate 2 and the door frame 1 are connected in a welding mode, and the bottom of the door frame 1 is hollow, so that the connection stability between the bottom plate 2 and the door frame 1 is ensured, and the phenomenon of falling off in the using process is effectively prevented;
the backing plate 4 and the bottom plate 2 form a telescopic structure through the elastic spring 3, and the thickness of the backing plate 4 is larger than the depth of the groove 5, so that when the first threshold body 7 and the second threshold body 9 are installed, the positioning is convenient, the vibration force during the installation can be relieved through the elastic spring 3, the vibration amplitude of the door frame 1 is reduced, and the damage probability of the door frame 1 is effectively reduced;
2 fixing plates 6 are arranged, and the fixing plates 6 are connected with the door frame 1 in a rotating mode, so that the fixing plates 6 can be rotated and turned conveniently, vehicles and pedestrians can pass conveniently when the door is not used, and the flexibility of the movable door sill is improved;
The connection mode of connecting block 13 and backing plate 4 is for bonding, and connecting block 13 is the rubber material to the connection mode of connecting block 13 and door frame 1 is for the laminating connection, can make backing plate 4 better at the leakproofness that removes the in-process, has further guaranteed the availability factor of this threshold that lives.
The working principle is as follows: when the civil air defense door loose threshold is used, as shown in figure 1, firstly, a worker installs the door frame 1 of the civil air defense door at a corresponding position, when the civil air defense door loose threshold needs to be installed, as shown in figure 2-4, the worker firstly clamps the second threshold body 9 into the groove 5 in the backing plate 4, the left end of the second threshold body 9 is concave, then the worker clamps the fixture block 8 at the right end of the first threshold body 7 into the second threshold body 9, and simultaneously the first threshold body 7 is installed into the groove 5, so that the civil air defense door loose threshold can be installed in sections, and compared with a traditional integral structure, the civil air defense door loose threshold is more flexible and convenient;
as shown in fig. 4, since the elastic spring 3 is disposed below the backing plate 4, the backing plate 4 forms a telescopic structure with the bottom plate 2 through the elastic spring 3, the connecting block 13 made of rubber is bonded on the outer wall of the backing plate 4, and the connecting block 13 is in fit connection with the door frame 1, when the first door sill body 7 and the second door sill body 9 are installed, the vibration force to the door frame 1 can be effectively reduced, so that the damage probability to the door frame 1 is reduced, the service time of the door frame 1 is prolonged, after the first door sill body 7 and the second door sill body 9 are installed, a worker rotates the locking rod 11 into the limiting grooves 10 inside the first door sill body 7 and the second door sill body 9, fixes the first door sill body 7 and the second door sill body 9, and then rotates and turns over 2 fixing plates 6, so that the fixing plates 6 are fit with the first door sill body 7 and the second door sill body 9, therefore, the fixing plate 6 is aligned with the bolt holes 12 inside the first threshold body 7 and the second threshold body 9, and then the prepared bolt is rotated into the bolt holes 12 to complete the fixing, which is very convenient, and the above is the working process of the whole device, and the content which is not described in detail in the specification belongs to the prior art which is well known to those skilled in the art.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (6)
1. The utility model provides a people's air defense door threshold that lives, includes door frame (1), first threshold body (7) and bolt hole (12), its characterized in that: the bottom of the door frame (1) is provided with a bottom plate (2), the upper part of the bottom plate (2) is connected with a backing plate (4) through an elastic spring (3), a groove (5) is arranged in the backing plate (4), fixing plates (6) are arranged on the front side and the rear side of the backing plate (4), the first doorsill body (7) is arranged in the groove (5), a clamping block (8) is arranged at the right end of the first doorsill body (7), a second threshold body (9) is arranged on the right side of the clamping block (8), limiting grooves (10) are formed in the second threshold body (9) and the clamping block (8), and the internally connected of spacing groove (10) has check lock lever (11), the inside of fixed plate (6), first threshold body (7) and second threshold body (9) is seted up in bolt hole (12), be provided with connecting block (13) on the outer wall of backing plate (4).
2. The people's air defense door threshold of claim 1, wherein: the bottom plate (2) and the door frame (1) are connected in a welding mode, and the bottom of the door frame (1) is hollow.
3. The people's air defense door threshold of claim 1, wherein: the backing plate (4) and the bottom plate (2) form a telescopic structure through the elastic spring (3), and the thickness of the backing plate (4) is larger than the depth of the groove (5).
4. The people's air defense door threshold of claim 1, wherein: the fixed plate (6) is provided with 2, and the connection mode of the fixed plate (6) and the door frame (1) is rotation connection.
5. The people's air defense door threshold of claim 1, wherein: the clamping block (8) and the first threshold body (7) are of an integral structure, the sizes of the first threshold body (7) and the second threshold body (9) are matched with the size of the groove (5), the limiting groove (10) in the second threshold body (9) and the clamping block (8) is in threaded connection with the locking rod (11), and the left end of the second threshold body (9) is concave.
6. The people's air defense door threshold of claim 1, wherein: the connecting mode of connecting block (13) and backing plate (4) is for bonding, and connecting block (13) are the rubber material to the connecting mode of connecting block (13) and door frame (1) is for laminating the connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020389756.0U CN212002833U (en) | 2020-03-25 | 2020-03-25 | Movable doorsill of civil air defense door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020389756.0U CN212002833U (en) | 2020-03-25 | 2020-03-25 | Movable doorsill of civil air defense door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212002833U true CN212002833U (en) | 2020-11-24 |
Family
ID=73430026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020389756.0U Active CN212002833U (en) | 2020-03-25 | 2020-03-25 | Movable doorsill of civil air defense door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212002833U (en) |
-
2020
- 2020-03-25 CN CN202020389756.0U patent/CN212002833U/en active Active
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