CN218716392U

CN218716392U - Protective airtight shielding door

Info

Publication number: CN218716392U
Application number: CN202221545880.7U
Authority: CN
Inventors: 张毕雨
Original assignee: Xi'an Yanliang Guoan Civil Air Defense Engineering Co ltd
Current assignee: Xi'an Yanliang Guoan Civil Air Defense Engineering Co ltd
Priority date: 2022-06-20
Filing date: 2022-06-20
Publication date: 2023-03-24
Anticipated expiration: 2032-06-20

Abstract

The utility model discloses a protect airtight shield door relates to underground works protective apparatus technical field, improves some current airtight shield doors of protection and when needing to close the vent, can only cover in vent department through personnel's control, and the operation process is wasted time and energy, and can't carry out the problem of long-range closing, including the vent of protection door body with set up on the protection door body, the inside fixed mounting of protection door body has the fixed block, the inside of fixed block is rotated and is connected with the two-way threaded rod, the one end and the protection door body of two-way threaded rod rotate and be connected, the one end that the two-way threaded rod is close to the fixed block is connected with actuating mechanism. The utility model discloses when needs are closed the vent, the staff only need control actuating mechanism, and the steerable screw thread piece of actuating mechanism removes, and the screw thread piece can drive the lifter plate rebound under the cooperation of bracing piece to carry out the quick closure to the vent.

Description

Protective airtight shielding door

Technical Field

The utility model belongs to the technical field of the underground works protective apparatus and specifically relates to a protect airtight shield door is related to.

Background

The door leaf of the airtight door is formed by assembling and welding a flat steel plate, a # -shaped rib plate, a ring beam and the like. The door frame is a channel steel and I-steel combined frame structure. The tensioning device is wedged by a wedge-shaped sliding block. The door pivot is supported by a rolling bearing. The airtight door is a door capable of increasing air tightness.

In realizing the utility model discloses in-process, the inventor discovers that there is following problem at least in this technique, and some current protection airtight shield doors can only cover in vent department through personnel's control when needing to close the vent, and the operation process is wasted time and energy, and can't carry out long-range closing, consequently, provide a protection airtight shield door now.

SUMMERY OF THE UTILITY MODEL

When need closing the vent in order to improve some current airtight shield doors of protection, can only cover in vent department through personnel's control, the operation process is wasted time and energy, and can't carry out the problem of long-range closing, the utility model provides a protect airtight shield door.

The utility model provides a protect airtight shield door adopts following technical scheme:

a protective airtight shield door comprises a protective door body and a vent arranged on the protective door body, wherein a fixed block is fixedly arranged inside the protective door body, a bidirectional threaded rod is rotatably connected inside the fixed block, one end of the bidirectional threaded rod is rotatably connected with the protective door body, and one end of the bidirectional threaded rod, which is close to the fixed block, is connected with a driving mechanism;

the equal threaded connection in surface both ends of two-way threaded rod has the screw thread piece, the bottom of screw thread piece is provided with slide mechanism, the top of screw thread piece articulates there is the bracing piece, the bracing piece is kept away from the one end of screw thread piece and is articulated to have the lifter plate.

Through adopting above-mentioned technical scheme, when needs are closed the vent, the staff only need control actuating mechanism, and the steerable screw thread piece of actuating mechanism removes, and the screw thread piece can drive the lifter plate rebound under the cooperation of bracing piece to close the vent fast.

Optionally, a clamping block is fixedly mounted at the top of the lifting plate, and a clamping groove matched with the clamping block is formed in the protective door body.

Through adopting above-mentioned technical scheme, the area of contact between fixture block and the multiplicable lifter plate of draw-in groove and the guard gate body to make being connected between lifter plate and the guard gate body more firm.

Optionally, the outer surface of the protective door body is provided with an anticorrosive coating.

Through adopting above-mentioned technical scheme, the anticorrosive coating can increase the corrosion resisting property of guard gate body.

Optionally, the sliding mechanism includes a first slider, one side of the first slider is fixedly connected to the threaded block, and a first sliding groove adapted to the first slider is formed in the protective door body.

Through adopting above-mentioned technical scheme, first slider and first spout can restrict the displacement range of screw thread piece.

Optionally, a fireproof layer is arranged inside the protective door body.

Through adopting above-mentioned technical scheme, the fire behavior of protective door body can be multiplicable to the flame retardant coating.

Optionally, the driving mechanism comprises a motor, the motor is fixedly connected with the protective door body, a first bevel gear is fixedly mounted at the output end of the motor, a second bevel gear is meshed with the first bevel gear, and the second bevel gear is fixedly connected with the bidirectional threaded rod.

Through adopting above-mentioned technical scheme, the motor can drive first bevel gear and rotate, and first bevel gear can drive second bevel gear and rotate, and second bevel gear can drive two-way threaded rod and rotate, and then is favorable to improving two-way threaded rod pivoted stability.

Optionally, the inner wall that guard gate body surface lies in the vent is fixed mounting with the filter screen.

Through adopting above-mentioned technical scheme, the reducible external impurity article of filter screen enters into the inside of guard gate body.

Optionally, the two opposite sides of the lifting plate are fixedly provided with second sliding blocks, and second sliding grooves matched with the second sliding blocks are formed in the protective door body.

Through adopting above-mentioned technical scheme, second slider and second spout can make more steady that the lifter plate removed.

To sum up, the utility model discloses following beneficial effect has:

the utility model discloses when needs are closed the vent, the staff only need control actuating mechanism, and the steerable screw thread piece of actuating mechanism removes, and the screw thread piece can drive the lifter plate rebound under the cooperation of bracing piece to carry out the quick closure to the vent, this structure easy operation, convenient to use is favorable to the popularization and the use of scope nature.

Drawings

Fig. 1 is a schematic view of the front cross-sectional structure of the present invention.

Fig. 2 is a schematic side view of the cross-sectional structure of the present invention.

Fig. 3 is a schematic front view of the present invention.

Description of the reference numerals:

1. a protective door body; 2. a fixed block; 3. a bidirectional threaded rod; 4. a drive mechanism; 401. a motor; 402. a first bevel gear; 403. a second bevel gear; 5. a thread block; 6. a sliding mechanism; 601. a first slider; 602. a first chute; 7. a support bar; 8. a lifting plate; 9. a clamping block; 10. an anticorrosive layer; 11. a fire barrier layer; 12. a filter screen; 13. a second slider; 14. a second runner.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

Referring to fig. 1 and 2, a protective airtight shielded gate includes a protective gate body 1 and a vent arranged on the protective gate body 1, an anticorrosive coating 10 is arranged on the outer surface of the protective gate body 1, the anticorrosive coating 10 is an epoxy phenolic paint layer, and the epoxy phenolic paint has good adhesive force, flexibility, wear resistance and excellent anticorrosive performance. The fireproof layer 11 is arranged inside the protective door body 1, the fireproof layer 11 is composed of asbestos meshes, and asbestos has high fire resistance, electrical insulation and heat insulation and is an important fireproof, insulating and heat-insulating material.

Referring to fig. 1 and 3, a filter screen 12 is fixedly installed on the inner wall of the ventilation opening on the outer surface of the protective door body 1, and the filter screen 12 can reduce the foreign objects from entering the protective door body 1.

Referring to fig. 1, a fixing block 2 is fixedly installed inside a protective door body 1, a bidirectional threaded rod 3 is rotatably connected inside the fixing block 2, and threads with opposite rotation directions are arranged on two sides of the bidirectional threaded rod 3. The one end and the guard gate body 1 of two-way threaded rod 3 rotate to be connected, the one end that two-way threaded rod 3 is close to fixed block 2 is connected with actuating mechanism 4, actuating mechanism 4 includes motor 401, motor 401 and guard gate body 1 fixed connection, and the output fixed mounting of motor 401 has first bevel gear 402, and first bevel gear 402 meshing is connected with second bevel gear 403, second bevel gear 403 and 3 fixed connection of two-way threaded rod. Wherein the motor 401 is controlled by a remote controller.

Referring to fig. 1, both ends of the outer surface of the bidirectional threaded rod 3 are connected with a threaded block 5 through threads, a sliding mechanism 6 is disposed at the bottom of the threaded block 5, the sliding mechanism 6 includes a first slider 601, one side of the first slider 601 is fixedly connected with the threaded block 5, a first sliding groove 602 matched with the first slider 601 is disposed inside the protective door body 1, and the first slider 601 and the first sliding groove 602 can limit the moving range of the threaded block 5.

Referring to fig. 1, a supporting rod 7 is hinged to the top of the threaded block 5, a lifting plate 8 is hinged to one end of the supporting rod 7, which is far away from the threaded block 5, and the lifting plate 8 is located below a vent on the outer surface of the protective door body 1. The equal fixed mounting in the relative both sides of lifter plate 8 has second slider 13, and the inside of guard gate body 1 is seted up with the second spout 14 of 13 looks adaptations of second slider, and second slider 13 and second spout 14 can make more steady that lifter plate 8 removed.

Referring to fig. 1, a fixture block 9 is fixedly mounted at the top of the lifting plate 8, a clamping groove matched with the fixture block 9 is formed in the protective door body 1, and the fixture block 9 and the clamping groove can increase the contact area between the lifting plate 8 and the protective door body 1, so that the connection between the lifting plate 8 and the protective door body 1 is more stable.

The utility model discloses an implement the principle and do: when the vent needs to be closed, a worker can remotely start the motor 401, the motor 401 can drive the first bevel gear 402 to rotate, the first bevel gear 402 can drive the second bevel gear 403 to rotate, the second bevel gear 403 can drive the bidirectional threaded rod 3 to rotate, the bidirectional threaded rod 3 can drive the threaded block 5 to rotate under the matching of the first sliding block 601 and the first sliding groove 602, and the threaded block 5 can drive the lifting plate 8 to move upwards under the matching of the supporting rod 7, so that the vent is quickly closed.

Above is the preferred embodiment of the utility model, not limit according to this the utility model discloses a protection scope, the event: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a protect airtight shield door, includes guard gate body (1) and the vent of setting on guard gate body (1), its characterized in that: a fixed block (2) is fixedly arranged inside the protective door body (1), a bidirectional threaded rod (3) is rotatably connected inside the fixed block (2), one end of the bidirectional threaded rod (3) is rotatably connected with the protective door body (1), and one end, close to the fixed block (2), of the bidirectional threaded rod (3) is connected with a driving mechanism (4);

the equal threaded connection in surface both ends of two-way threaded rod (3) has screw thread piece (5), the bottom of screw thread piece (5) is provided with slide mechanism (6), the top of screw thread piece (5) articulates there is bracing piece (7), the one end that screw thread piece (5) were kept away from in bracing piece (7) articulates there is lifter plate (8).

2. A protective and hermetic screen door according to claim 1, characterized in that: the top fixed mounting of lifter plate (8) has fixture block (9), the inside of guard gate body (1) seted up with the draw-in groove of fixture block (9) looks adaptation.

3. A protective and airtight shielded door as claimed in claim 1, wherein: the outer surface of the protective door body (1) is provided with an anticorrosive coating (10).

4. A protective and airtight shielded door as claimed in claim 1, wherein: the sliding mechanism (6) comprises a first sliding block (601), one side of the first sliding block (601) is fixedly connected with the thread block (5), and a first sliding groove (602) matched with the first sliding block (601) is formed in the protective door body (1).

5. A protective and hermetic screen door according to claim 1, characterized in that: the inside of guard gate body (1) is provided with flame retardant coating (11).

6. A protective and airtight shielded door as claimed in claim 1, wherein: the driving mechanism (4) comprises a motor (401), the motor (401) is fixedly connected with the protective door body (1), a first bevel gear (402) is fixedly mounted at the output end of the motor (401), the first bevel gear (402) is meshed with a second bevel gear (403), and the second bevel gear (403) is fixedly connected with the bidirectional threaded rod (3).

7. A protective and airtight shielded door as claimed in claim 1, wherein: a filter screen (12) is fixedly arranged on the inner wall of the ventilation opening on the outer surface of the protective door body (1).

8. A protective and airtight shielded door as claimed in claim 1, wherein: the equal fixed mounting in the relative both sides of lifter plate (8) has second slider (13), guard gate body (1) inside seted up with second spout (14) of second slider (13) looks adaptation.