CN218265588U - Steel construction protective airtight door - Google Patents
Steel construction protective airtight door Download PDFInfo
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- CN218265588U CN218265588U CN202221706702.8U CN202221706702U CN218265588U CN 218265588 U CN218265588 U CN 218265588U CN 202221706702 U CN202221706702 U CN 202221706702U CN 218265588 U CN218265588 U CN 218265588U
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Abstract
The utility model belongs to the technical field of the technique of people's air defense door and specifically relates to a steel construction protection airtight door is related to, including the door frame, it has two sides door leaf to articulate on the door frame, is left side fan and right side fan respectively, set up sealed chamber in the left side fan, sealed intracavity horizontal sliding connection has the closing plate, it is connected with the control handle to rotate on the left side fan, is equipped with the gliding control mechanism of control closing plate between control handle and the closing plate, the left side fan is towards the terminal surface of right side fan seted up with the sealed mouthful of intercommunication in chamber, the seal groove that is used for holding the closing plate is offered to the terminal surface of right side fan towards the left side fan. After the left fan and the right fan are closed, the sealing opening and the sealing groove are right, the control handle is rotated by an operator, the control mechanism drives the sealing plate to move towards the sealing opening until the sealing plate is inserted into the sealing groove, and the sealing plate shields the gap between the left fan and the right fan to block and block the gap, so that the sealing effect of the sealed door is improved.
Description
Technical Field
The application relates to the technical field of civil air defense doors, in particular to a steel structure protective airtight door.
Background
The protective airtight door is protective equipment arranged on a building, is mainly used for blocking shock waves and isolating toxic gas, and can play a role in protecting personnel safety when being closed in case of sudden accidents.
The related art can refer to chinese patent with publication number CN205370359U and disclose a steel structure movable threshold protective airtight door, including the door frame fixed on the building, the door leaf hinged on the door frame and the movable threshold detachable and fixedly connected with the door frame, its technical scheme main points are that the movable threshold is connected with the door leaf rotation, the fixed connection has the fixed subassembly on the door leaf, the movable threshold is fixed on the door leaf through the fixed subassembly.
According to the related technology, the door leaves are hinged to the door frame, when the two door leaves are closed, gaps are easily formed in the middles of the two door leaves, and accordingly the sealing effect is poor.
SUMMERY OF THE UTILITY MODEL
In order to improve sealed effect, this application provides a steel construction protective airtight door.
The application provides a steel construction protective airtight door adopts following technical scheme:
the utility model provides a steel construction protection airtight door, includes the door frame, articulated on the door frame have two sides door leaf, be left side fan and right side fan respectively, set up sealed chamber in the left side fan, sealed intracavity horizontal sliding connection has the closing plate, it is connected with the control handle to rotate on the left side fan, is equipped with the gliding control mechanism of control closing plate between control handle and the closing plate, the left side fan is towards the terminal surface of right side fan seted up with the sealed mouthful of chamber intercommunication, the seal groove that is used for holding the closing plate is offered towards the terminal surface of left side fan to the right side fan.
Through adopting above-mentioned technical scheme, the back is closed to left side fan right side fan, and sealing opening and seal groove are just right, and operating personnel rotates the control handle, and control mechanism drives the closing plate and removes to the sealing opening, until in the closing plate inserted the seal groove, the closing plate sheltered from the shutoff with the gap between left side fan and the right side fan to improve the sealed effect of airtight door.
Optionally, the control mechanism comprises a horizontally arranged control screw rod, the control screw rod is rotatably connected in the sealing cavity, a nut seat is arranged on the control screw rod, the nut seat is fixedly connected with the sealing plate, and the control handle is connected with the control screw rod.
Through adopting above-mentioned technical scheme, the control handle drives the control lead screw and rotates, and the control lead screw passes through the motion of nut seat drive closing plate, stable in structure.
Optionally, the number of the control screw rods is at least two, all the control screw rods are parallel to each other, a connecting rod is connected in the sealing cavity in a vertical rotating mode, the connecting rod is connected with all the control screw rods simultaneously, mutually meshed helical gears are arranged between the connecting rod and the control screw rods, the control handle is connected with the control screw rods through the connecting rod, and the control handle is connected with the connecting rod through a bevel gear pair.
Through adopting above-mentioned technical scheme, the control handle passes through the bevel gear pair and drives the connecting rod rotation, and the connecting rod drives all control lead screws through helical gear simultaneously and rotates, and many control lead screws promote the closing plate motion simultaneously, improve the stability of closing plate motion.
Optionally, the control screw rod is located on one side of the sealing cavity far away from the sealing opening, a mounting hole is formed in the end portion, facing the control screw rod, of the sealing plate, and the control screw rod is inserted into the mounting hole.
Through adopting above-mentioned technical scheme, control lead screw inserts the mounting hole, reduces the space and occupies.
Optionally, the end of the sealing plate facing the sealing groove is provided with a plurality of protrusions, and the bottom of the sealing groove is provided with a plurality of grooves corresponding to the protrusions.
By adopting the technical scheme, when the sealing plate is inserted into the sealing groove, the convex block is inserted into the groove, the contact area is large, and the sealing effect is good.
Optionally, the bottom of the sealing groove is provided with an elastic buffer block.
Through adopting above-mentioned technical scheme, the closing plate inserts and contradicts with the buffer block in the seal groove, and the buffer block protects the closing plate, prevents that the closing plate from damaging.
Optionally, the lower end of the sealing plate is provided with a roller, and the roller is abutted against the bottom of the sealing cavity.
By adopting the technical scheme, when the sealing plate slides in the sealing cavity, the roller supports the sealing plate, and the friction force between the sealing plate and the sealing cavity is reduced.
Optionally, a horizontal guide rod is arranged in the sealing cavity, a horizontal guide hole is formed in the sealing plate, and the guide rod is inserted into the guide hole.
Through adopting above-mentioned technical scheme, the guide bar carries out spacing direction to the motion of closing plate, prevents that the closing plate card from dying.
In summary, the present application includes at least one of the following beneficial technical effects:
1. through the setting of closing plate, left side fan and right side fan close the back, and the closing plate can be followed and worn out in the left fan and insert the right side fan to with the left side very right side of fan gap between shelter from, improve sealed effect.
Drawings
FIG. 1 is a schematic view of the overall structure of the embodiment;
fig. 2 is a schematic structural view of a door leaf in the embodiment.
Fig. 3 is a schematic diagram showing a connection relationship between the control screw and the connecting rod in the embodiment.
Description of reference numerals: 1. a door frame; 2. a door leaf; 3. a left fan; 31. sealing the cavity; 32. sealing the opening; 33. a guide bar; 4. a right fan; 41. a sealing groove; 42. a groove; 5. sealing plates; 51. mounting holes; 53. a roller; 54. a guide hole; 55. a moving groove; 56. a bump; 6. a control handle; 71. controlling the screw rod; 72. a nut seat; 73. a connecting rod; 8. a bevel gear pair; 9. a helical gear.
Detailed Description
The present application is described in further detail below with reference to all of the figures.
The embodiment of the application discloses steel construction protective airtight door, refers to figure 1, including door frame 1 and two sides door leaf 2, two door leaf 2 and door frame 1 are articulated to link to each other. Two-sided door leaf 2 divide into left side fan 3 and right side fan 4, and left side fan 3 keeps away from one side of right side fan 4 and is articulated with door frame 1, and right side fan 4 keeps away from one side of left side fan 3 and is articulated with door frame 1.
Referring to fig. 2, a sealing cavity 31 is formed in the left leaf 3, a sealing plate 5 is slidably connected in the sealing cavity 31, an inward concave moving groove 55 is formed in the bottom of the sealing plate 5, a roller 53 is arranged in the moving groove 55, and the roller 53 abuts against the bottom of the sealing cavity 31. One end of the left fan 3 facing the right fan 4 is provided with a sealing opening 32 communicated with the sealing cavity 31, one end of the right fan 4 facing the left fan 3 is provided with a sealing groove 41 for accommodating the sealing plate 5, and the bottom of the sealing groove 41 is provided with an elastic buffer block. After left side fan 3 and right side fan 4 closed, sealing opening 32 and seal groove 41 just right, and closing plate 5 slides in sealed chamber 31, stretches out from sealing opening 32 and inserts in seal groove 41 to shelter from the gap between left side fan 3 and the right side fan 4, improve sealed effect.
Referring to fig. 2, the end of the sealing plate 5 facing the sealing groove 41 is provided with a plurality of protrusions 56, the bottom of the sealing groove 41 is provided with a plurality of grooves 42 corresponding to the protrusions 56, and the sealing plate 5 and the sealing groove 41 have a large contact area and a good sealing effect.
Referring to fig. 2, the outer wall of the left fan 3 is vertically and rotatably connected with a control handle 6, a control mechanism is arranged in the sealing cavity 31, the control handle 6 is connected with the control mechanism, and the control handle 6 rotates the through hole control mechanism to drive the sealing plate 5 to move.
Referring to fig. 2, the control mechanism includes three horizontally disposed control screws 71 and a vertically disposed connecting rod 73. The three control screw rods 71 are rotatably connected in the sealing cavity 31 and located on one side of the sealing cavity 31 far away from the sealing port 32, and the three control screw rods are sequentially arranged from top to bottom. The end part, facing the control screw rod 71, of the sealing plate 5 is provided with mounting holes 51 corresponding to the control screw rod 71 one to one, the end part of the control screw rod 71 is inserted into the mounting holes 51, a nut seat 72 is arranged on the control screw rod 71, and the nut seat 72 is located in the mounting holes 51 and fixedly connected with the sealing plate 5. The screw rod is controlled to rotate, and the nut seat 72 drives the sealing plate 5 to slide along the direction of the control screw rod 71.
Referring to fig. 2 and 3, the control handle 6 is connected with a connecting rod 73 through a bevel gear pair 8, the connecting rod 73 is vertically and rotatably connected in the sealed cavity 31, and is simultaneously connected with three control screw rods 71 through three pairs of mutually meshed spiral gears 9. The control handle 6 rotates, the connecting rod 73 is driven to rotate through the bevel gear 8 pair, and the connecting rod 73 drives the three control screw rods 71 to rotate simultaneously through the helical gear, so that the sealing plate 5 is driven to move.
Referring to fig. 2, a guide rod 33 parallel to the control screw 71 is fixed in the sealing cavity 31, a horizontal guide hole 54 is formed in the sealing plate 5, and the guide rod 33 passes through the guide hole 54 to limit and guide the sealing plate 5.
The implementation principle of the steel structure protective airtight door in the embodiment of the application is as follows: an operator rotates the left fan 3 and the right fan 4 to close the door leaf 2, rotates the control handle 6, and the sealing plate 5 extends out of the sealing opening 32 and is inserted into the sealing groove 41 for sealing.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a steel construction protective airtight door, includes door frame (1), and door frame (1) is gone up to articulate has two door leafs (2), is left fan (3) and right fan (4) respectively, its characterized in that: offer sealed chamber (31) in left side fan (3), the horizontal plane smooth motion is connected with closing plate (5) in sealed chamber (31), it is connected with control handle (6) to rotate on left side fan (3), is equipped with the gliding control mechanism of control closing plate (5) between control handle (6) and closing plate (5), left side fan (3) are towards the terminal surface of right side fan (4) and are offered sealed mouthful (32) with sealed chamber (31) intercommunication, right side fan (4) are towards the terminal surface of left side fan (3) and are offered seal groove (41) that are used for holding closing plate (5).
2. The steel structural protective containment door of claim 1, wherein: the control mechanism comprises a horizontally arranged control screw rod (71), the control screw rod (71) is rotatably connected into the sealing cavity (31), a screw base (72) is arranged on the control screw rod (71), the screw base (72) is fixedly connected with the sealing plate (5), and the control handle (6) is connected with the control screw rod (71).
3. The steel structural protective containment door of claim 2, wherein: control lead screw (71) are equipped with two at least, and all control lead screw (71) are parallel to each other, vertical rotation is connected with connecting rod (73) in sealed chamber (31), and connecting rod (73) link to each other with all control lead screw (71) simultaneously, is provided with intermeshing's helical gear (9) between connecting rod (73) and control lead screw (71), control handle (6) link to each other with control lead screw (71) through connecting rod (73), control handle (6) link to each other with connecting rod (73) through bevel gear pair (8).
4. The steel structure protective airtight door of claim 2, characterized in that: the control screw rod (71) is located on one side, away from the sealing opening (32), of the sealing cavity (31), an installation hole (51) is formed in the end portion, facing the control screw rod (71), of the sealing plate (5), and the control screw rod (71) is inserted into the installation hole (51).
5. The steel structure protective airtight door of claim 1, characterized in that: the end, facing the sealing groove (41), of the sealing plate (5) is provided with a plurality of protruding blocks (56), and the bottom of the sealing groove (41) is provided with a plurality of grooves (42) corresponding to the protruding blocks (56).
6. The steel structural protective containment door of claim 1, wherein: and the bottom of the sealing groove (41) is provided with an elastic buffer block.
7. The steel structural protective containment door of claim 1, wherein: the lower end of the sealing plate (5) is provided with a roller (53), and the roller (53) is abutted against the bottom of the sealing cavity (31).
8. The steel structural protective containment door of claim 1, wherein: a horizontal guide rod (33) is arranged in the sealing cavity (31), a horizontal guide hole (54) is formed in the sealing plate (5), and the guide rod (33) is inserted into the guide hole (54).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221706702.8U CN218265588U (en) | 2022-07-04 | 2022-07-04 | Steel construction protective airtight door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221706702.8U CN218265588U (en) | 2022-07-04 | 2022-07-04 | Steel construction protective airtight door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218265588U true CN218265588U (en) | 2023-01-10 |
Family
ID=84759936
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221706702.8U Active CN218265588U (en) | 2022-07-04 | 2022-07-04 | Steel construction protective airtight door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218265588U (en) |
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2022
- 2022-07-04 CN CN202221706702.8U patent/CN218265588U/en active Active
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