CN219101142U - Explosion-proof civil air defense door - Google Patents
Explosion-proof civil air defense door Download PDFInfo
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- CN219101142U CN219101142U CN202221824434.XU CN202221824434U CN219101142U CN 219101142 U CN219101142 U CN 219101142U CN 202221824434 U CN202221824434 U CN 202221824434U CN 219101142 U CN219101142 U CN 219101142U
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- door
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- guide block
- air defense
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Abstract
The application discloses explosion-proof people's air defense door includes: the door frame is fixed on the inner wall of the opening of the wall body; a door plate and a door frame are hinged; the lock rod is arranged on the door plate in a sliding manner, and a locking hole for the lock rod to be inserted is formed in the door frame; the driving device is arranged on the door frame and drives the lock rod to be inserted into the lock rod so as to fix the door plate and the door frame; the driving device at least comprises: the second guide block forms a power output end of the driving device, and the lock rod is connected with the second guide block through an elastic piece; the application is through letting link to each other through the elastic component between locking lever and the second guide block, so be not between the rigid connection that links to each other between locking lever and the drive arrangement, when the door plant receives the impact, the impact force of transmitting to the locking lever can not all transmit to the second guide block on, has avoided so causing the influence to drive arrangement.
Description
Technical Field
The application relates to the technical field of civil air defense doors, in particular to an explosion-proof civil air defense door.
Background
The civil air defense door is important civil air defense equipment in civil air defense engineering, and the civil air defense door is usually required to have good explosion-proof capacity; the structure of the civil air defense door can refer to a technical scheme disclosed in the Chinese patent document CN 113356723A; in the technical scheme, the door frame and the door plate are hinged with each other; moreover, the lock rod for locking the door plate and the door frame is driven by the driving device, the driving device is usually accurate and has a threaded transmission structure, so that the shock resistance of the driving device is insufficient, and after the civil air defense door is subjected to explosion impact, the impact force received by the lock rod is transmitted to the driving device, so that the threaded transmission structure of the driving device is damaged.
There is no explosion protection door that reduces the transmission of vibrations to the drive.
Disclosure of Invention
The content of the present application is intended to introduce concepts in a simplified form that are further described below in the detailed description. The section of this application is not intended to identify key features or essential features of the claimed subject matter, nor is it intended to be used to limit the scope of the claimed subject matter.
To solve the technical problems mentioned in the background section above, some embodiments of the present application provide an explosion-proof civil air defense door, including:
the door frame is fixed on the inner wall of the opening of the wall body;
a door plate and a door frame are hinged;
the lock rod is arranged on the door plate in a sliding manner, and a locking hole for the lock rod to be inserted is formed in the door frame;
the driving device is arranged on the door frame and drives the lock rod to be inserted into the lock rod so as to fix the door plate and the door frame;
the driving device at least comprises:
the second guide block forms a power output end of the driving device, and the lock rod is connected with the second guide block through an elastic piece;
the extending and contracting direction of the elastic piece is the same as the moving direction of the lock rod inserted into the locking hole.
The application is through letting link to each other through the elastic component between locking lever and the second guide block, so be not between the rigid connection that links to each other between locking lever and the drive arrangement, when the door plant receives the impact, the impact force of transmitting to the locking lever can not all transmit to the second guide block on, has avoided so causing the influence to drive arrangement.
Further, a guide hole is formed in the lock rod, a guide rod is arranged on the second guide block, and the guide rod is inserted into the guide hole.
Further, one end of the elastic piece is connected with the inner wall of the bottom end of the guide hole, and the other end of the elastic piece is connected with the end part of the guide rod.
Further, a damping pad is sleeved on the outer wall of the guide rod, and the damping pad is attached to the inner wall of the guide hole.
Further, the driving device further comprises a main shaft arranged on the door plate in a rotating mode and a second driving rod in transmission connection with the main shaft, threads are arranged at the end portion of the second driving rod, a second screw hole is formed in the second guide block, the second driving rod is inserted into the second screw hole, and the second guide block is in rotary connection with the door plate.
Further, the main shaft is connected with a main bevel gear through an upper key, the second driving rod is connected with a second auxiliary bevel gear through an upper key, and the main bevel gear is meshed with the second auxiliary bevel gear.
Further, the driving device further comprises a first driving rod rotatably arranged on the door plate and a first guide block in threaded connection with the first driving rod; the first driving rod and the main shaft are connected in a rotating way, the first guide block is connected with the door plate in a rotating way, and the first guide block is provided with a lock rod.
Further, the arrangement directions of the first driving rod and the second driving rod are perpendicular to each other.
Further, a rotating wheel is arranged on the main shaft.
Further, a second baffle is arranged on the inner wall of the chassis cavity, and the second guide block is connected with the second baffle through a second spring.
The beneficial effects of this application lie in: an explosion-proof air-defense door for reducing vibration transmitted to a driving device is provided.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the application and to provide a further understanding of the application with regard to the other features, objects and advantages of the application. The drawings of the illustrative embodiments of the present application and their descriptions are for the purpose of illustrating the present application and are not to be construed as unduly limiting the present application.
In addition, the same or similar reference numerals denote the same or similar elements throughout the drawings. It should be understood that the figures are schematic and that elements and components are not necessarily drawn to scale.
In the drawings:
FIG. 1 is an overall schematic diagram according to an embodiment of the present application;
fig. 2 is a perspective view of a door frame according to an embodiment of the present application;
FIG. 3 is a perspective view of a door panel according to an embodiment of the present application;
FIG. 4 is a cross-sectional view according to an embodiment of the present application;
FIG. 5 is an enlarged view at A in FIG. 4;
FIG. 6 is an enlarged view at B in FIG. 5;
reference numerals:
1. a door frame; 11. a fixed port; 12. a locking hole; 111. a threshold;
2. a door panel; 21. a chassis cavity; 22. a first baffle; 221. a first through hole; 23. a second baffle; 231. a second through hole;
3. a lock lever; 31. a guide hole;
4. a driving device; 41. a main shaft; 411. a rotating wheel;
42. a bevel gear set; 421. a main bevel gear; 422. a first secondary bevel gear; 423. a second secondary bevel gear;
43. a first driving lever; 44. a second driving lever; 45. a first guide block; 450. a first screw hole; 46. a second guide block; 460. a second screw hole; 461. a guide rod; 462. an elastic member; 463. a damping pad;
Detailed Description
Embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While certain embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete. It should be understood that the drawings and embodiments of the present disclosure are for illustration purposes only and are not intended to limit the scope of the present disclosure.
It should be noted that, for convenience of description, only the portions related to the present utility model are shown in the drawings. Embodiments of the present disclosure and features of embodiments may be combined with each other without conflict.
It should be noted that the terms "first," "second," and the like in this disclosure are merely used to distinguish between different devices, modules, or units and are not used to define an order or interdependence of functions performed by the devices, modules, or units.
It should be noted that references to "one", "a plurality" and "a plurality" in this disclosure are intended to be illustrative rather than limiting, and those of ordinary skill in the art will appreciate that "one or more" is intended to be understood as "one or more" unless the context clearly indicates otherwise.
The present disclosure will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Referring to fig. 1 to 3, the explosion-proof air-defense door includes: a door frame 1, a door plate 2, a lock rod 3 and a driving device 4; the door frame 1 is fixedly connected to the wall, and an opening for installing the civil air defense door is usually formed in the wall, so that the door frame 1 is fixedly connected to the inner wall of the opening.
Referring to fig. 2, a fixing hole 11 is provided in the door frame 1, the fixing hole 11 is formed at a middle position of the door frame 1, and the fixing hole 11 penetrates the door frame 1, so that the door frame 1 can form a frame-shaped structure; wherein, the door plate 2 is arranged in the fixed port 11, the door plate 2 is matched with the fixed port 11, one side of the door plate 2 is hinged with the inner wall of one side of the fixed port 11, thus the hinged side of the fixed port 11 and the door plate 2 is defined as a hinged side, and the other side surfaces of the fixed port 11 are provided with locking holes 12; the lock rod 3 is arranged on the door plate 2, and the driving device 4 is used for driving the lock rod 3 to move so as to insert the lock rod 3 into the locking hole 12, thereby playing a role in fixing the door plate 2 and the door frame 1. Through setting up the scheme above, this application sets up the structure that combines each other at door frame 1 and door plant 2, can let have better adhesion between door plant 2 and the door frame 1, increases the sealing performance of people's air defense door to fixed mouthful 11 forms the intermediate position at door frame 1, can let the lower extreme inner wall of fixed mouthful 11 form threshold 111, in order to play the effect of manger plate.
With reference to fig. 4, the structure of the driving device 4 and the lock lever 3 will be further described below; the driving device 4 includes a main shaft 41, a bevel gear set 42, a first driving lever 43, a second driving lever 44, a first guide block 45, and a second guide block 46. The door panel 2 is provided with a housing 21, and the driving device 4 is disposed in the housing 21.
The main shaft 41 is arranged on the door plate 2 in a penetrating way, the main shaft 41 is rotationally connected with the door plate 2, and the main shaft 41 penetrates through the machine box cavity 21; the bevel gear set 42 comprises a main bevel gear 421, a first auxiliary bevel gear 422 and a second auxiliary bevel gear 423, wherein the main bevel gear 421 is connected to the main shaft 41 in a key way, the first auxiliary bevel gear 442 is connected to the first driving rod 43 in a key way, and the main bevel gear 421 and the first auxiliary bevel gear 442 are meshed with each other;
the first baffle 22 is fixed on the chassis cavity 21, a first through hole 221 is formed in the first baffle 22, the first driving rod 43 penetrates through the first through hole 221 and is rotationally connected with the first through hole 221, the first guide block 45 is arranged at the tail end of the first driving rod 43, a first screw hole 450 is formed in the first guide block 45, and the first driving rod 43 is inserted into the first screw hole 450; the cross section of the first guide block 45 is square, and the first guide block 45 is in rotary fit with the inner wall of the chassis cavity 21.
Thus, after the main bevel gear 421 rotates, the first driving rod 43 can be driven to rotate, and the first guide block 45 can be pushed out from the center of the door panel 2 because the first guide block 45 cannot rotate;
referring to fig. 4 and 5, the second driving lever 44 is disposed in the housing cavity 21, the second driving lever 44 and the first driving lever 43 are disposed in a direction perpendicular to each other, the second sub bevel gear 423 is keyed to the second driving lever 44, and the second sub bevel gear 423 and the main bevel gear 421 are engaged with each other;
a second baffle plate 23 is also fixed on the chassis cavity 21, a second through hole 231 is arranged on the second baffle plate 23, a second driving rod 44 passes through the second through hole 231, and a second guide block 46 is arranged at the tail end of the second driving rod 44; the second guide block 46 is provided with a second screw hole 460, the second driving rod 44 is inserted into the second screw hole 460, the section of the second guide block 46 is square, and the second guide block 46 is in rotary fit with the inner wall of the chassis cavity 21.
Thus, after the main bevel gear 421 rotates, the second driving rod 44 can be driven to rotate, and the second guide block 46 cannot rotate, so that the second guide block 46 can be pushed out from the center of the door panel 2;
in this way, by the above arrangement, the first guide block 45 and the second guide block 46 can be made to penetrate from different directions on the door panel 2 by means of the rotation main shaft 41.
Further, the first guide block 45 and the second guide block 46 are provided with the lock rod 3, so that the driving device 4 can drive the lock rod 3 to be inserted into the locking hole 12; wherein, the upper end face and the lower end face of the fixed opening 11 of the door frame 1 and the side face of one end of the fixed opening are provided with locking openings 12; thus, the lock bar connected to the first guide block 45 is inserted into the side locking hole 12; the lock lever 3 connected to the second guide block 46 is inserted into the lock hole 12 of the upper end surface or the lower end surface.
The first guide block 45 and the second guide block 46 are identical to the previously described fixing solution of the locking bar 3, here only the mating solution between the second guide block 46 and the locking bar 3 is connected.
Referring to fig. 2 and 5, specifically, a through hole communicating with the chassis cavity 21 is formed in the door panel 2, the second guide block 46 is penetrated out from the through hole, one end of the second guide block 46 is provided with a second screw hole 460, the other end is fixedly connected with a guide rod 461, a guide hole 31 is formed in the lock rod 3, the guide rod 461 is inserted into the guide hole 31, and an elastic piece 462 is connected between the top end inner wall of the guide rod 461 and the bottom end inner wall of the guide hole 31; the elastic member 462 is a spring, and the expansion and contraction direction of the elastic member 462 is the same as the moving direction of the lock lever 3 inserted into the locking hole 12.
When the civil air defense door is subjected to blasting impact, the door plate 2 and the door frame 1 are not connected together, so that the lock rod 3 is easy to receive larger impact, and impact force can be transmitted to the driving device 4.
Referring to fig. 6, further, a damping pad 463 is sleeved on the inner wall of the guide rod 461, and the damping pad 463 and the inner wall of the guide hole 31 are abutted against each other, so that the impact force can be reduced by means of the damping pad 463.
Further, the first guide block 45 is connected with the first baffle 22 through a first spring (not shown), and the second guide block 46 is connected with the second baffle 23 through a second spring 222;
further, the two ends of the main shaft 41 are both connected with a rotating wheel 411, so that the main shaft 41 can be conveniently rotated by the rotating wheel 411.
The foregoing description is only of the preferred embodiments of the present disclosure and description of the principles of the technology being employed. It will be appreciated by those skilled in the art that the scope of the utility model in the embodiments of the present disclosure is not limited to the specific combination of the above technical features, but encompasses other technical features formed by any combination of the above technical features or their equivalents without departing from the spirit of the utility model. Such as the above-described features, are mutually substituted with (but not limited to) the features having similar functions disclosed in the embodiments of the present disclosure.
Claims (10)
1. An explosion proof air defense door comprising:
the door frame is fixed on the inner wall of the opening of the wall body;
the door plate is hinged with the door frame;
the lock rod is arranged on the door plate in a sliding manner, and a locking hole for the lock rod to be inserted is formed in the door frame;
the driving device is arranged on the door frame and drives the lock rod to be inserted into the lock rod so as to fix the door plate and the door frame;
the method is characterized in that:
the driving device at least comprises:
the second guide block forms a power output end of the driving device, and the lock rod is connected with the second guide block through an elastic piece;
the extending and contracting direction of the elastic piece is the same as the moving direction of the lock rod inserted into the locking hole.
2. The explosion proof air defense door of claim 1 wherein: the locking rod is provided with a guide hole, the second guide block is provided with a guide rod, and the guide rod is inserted into the guide hole.
3. The explosion proof air defense door of claim 2 wherein: one end of the elastic piece is connected with the inner wall of the bottom end of the guide hole, and the other end of the elastic piece is connected with the end part of the guide rod.
4. The explosion proof air defense door of claim 3 wherein: the outer wall of the guide rod is sleeved with a damping pad, and the damping pad is mutually attached to the inner wall of the guide hole.
5. The explosion proof air defense door according to any one of claims 1-4 wherein: the driving device further comprises a main shaft arranged on the door plate in a rotating mode and a second driving rod in transmission connection with the main shaft, threads are arranged at the end portion of the second driving rod, a second screw hole is formed in the second guide block, the second driving rod is inserted into the second screw hole, and the second guide block is in rotary connection with the door plate.
6. The explosion proof air defense door of claim 5 wherein: the main shaft upper key is connected with a main bevel gear, the second driving rod upper key is connected with a second auxiliary bevel gear, and the main bevel gear is meshed with the second auxiliary bevel gear.
7. The explosion proof air defense door of claim 5 wherein: the driving device further comprises a first driving rod rotatably arranged on the door plate and a first guide block in threaded connection with the first driving rod; the first driving rod and the main shaft are connected in a rotating mode, the first guide block is connected with the door plate in a rotating mode, and the locking rod is arranged on the first guide block.
8. The explosion proof air defense door of claim 7 wherein: the arrangement directions of the first driving rod and the second driving rod are perpendicular to each other.
9. The explosion proof air defense door of claim 6 wherein: the main shaft is provided with a rotating wheel.
10. The explosion proof air defense door of claim 6 wherein: the door plate is provided with a case cavity, a second baffle is arranged on the inner wall of the case cavity, and the second guide block is connected with the second baffle through a second spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221824434.XU CN219101142U (en) | 2022-07-14 | 2022-07-14 | Explosion-proof civil air defense door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221824434.XU CN219101142U (en) | 2022-07-14 | 2022-07-14 | Explosion-proof civil air defense door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219101142U true CN219101142U (en) | 2023-05-30 |
Family
ID=86467419
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221824434.XU Active CN219101142U (en) | 2022-07-14 | 2022-07-14 | Explosion-proof civil air defense door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219101142U (en) |
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2022
- 2022-07-14 CN CN202221824434.XU patent/CN219101142U/en active Active
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