CN211524518U - Lifting closed threshold mechanism of civil air defense door - Google Patents
Lifting closed threshold mechanism of civil air defense door Download PDFInfo
- Publication number
- CN211524518U CN211524518U CN201922267905.6U CN201922267905U CN211524518U CN 211524518 U CN211524518 U CN 211524518U CN 201922267905 U CN201922267905 U CN 201922267905U CN 211524518 U CN211524518 U CN 211524518U
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- door frame
- air defense
- door
- bearing
- threshold
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- 230000007123 defense Effects 0.000 title claims abstract description 30
- 230000007246 mechanism Effects 0.000 title claims abstract description 12
- 239000000463 material Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 230000007423 decrease Effects 0.000 abstract description 2
- 230000004044 response Effects 0.000 abstract description 2
- 230000000630 rising effect Effects 0.000 abstract description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
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- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
Abstract
The utility model belongs to the technical field of the people's air defense door, especially for airtight threshold mechanism of people's air defense door lift, including the door frame, the side of door frame is provided with the hinge, the door frame has the people's air defense door through hinge swing joint, the inner wall both sides of door frame all are provided with the spout, the bottom of door frame is provided with the threshold, the both sides of threshold are provided with the slider, the slider sliding connection is in the spout, the bottom of door frame is provided with first bearing, the pivot is worn to be equipped with in the first bearing activity, the top of pivot is provided with the lead screw, the bottom of door frame is provided with the; the utility model discloses, through setting up slider and spout, can make steady rising and decline of threshold, through setting up lead screw and first hand wheel, it is rotatory to drive the lead screw through first hand wheel that can be quick, makes the threshold rise, and is simple to use, can the emergency of quick response, can drop the threshold at ordinary times, the daily use of being convenient for.
Description
Technical Field
The utility model belongs to the technical field of the people's air defense door, concretely relates to airtight threshold mechanism of people's air defense door lift.
Background
The civil air defense door is protective equipment in civil air defense engineering, is a door of an access & exit of the civil air defense engineering, has simple structure, reliable operation and convenient maintenance, but has a threshold, thereby bringing certain inconvenience to places where people and vehicles come in and go out frequently, and the existing movable threshold is complex to use and cannot be quickly lifted.
SUMMERY OF THE UTILITY MODEL
To solve the problems set forth in the background art described above. The utility model provides an airtight threshold mechanism of people's air defense door lift has the characteristics of lift simple, stable in structure.
In order to achieve the above object, the utility model provides a following technical scheme: a civil air defense door lifting closed threshold mechanism comprises a door frame, wherein a hinge is arranged on the side surface of the door frame, the door frame is movably connected with a civil air defense door through the hinge, sliding grooves are formed in two sides of the inner wall of the door frame, a threshold is arranged at the bottom of the door frame, sliding blocks are arranged on two sides of the threshold and are connected in the sliding grooves in a sliding mode, a first bearing is arranged at the bottom of the door frame, a rotating shaft is movably arranged in the first bearing in a penetrating mode, a lead screw is arranged at the top of the rotating shaft, a support is arranged at the bottom of the door frame, a second bearing is arranged at the top of the support, a rotating shaft is movably arranged in the second bearing in a penetrating mode, the bottom of the rotating shaft in the second bearing is fixedly connected with the top of the lead screw, a first hand wheel is arranged at the top, the top of the threshold is provided with a clamping groove.
Preferably, the top of threshold is provided with sealed the pad, the material of sealed pad is the rubber material.
Preferably, the bottom of draw-in groove is provided with the fixed pin, the bottom of people's air defense door is provided with the fixed orifices, the fixed pin is pegged graft in the fixed orifices.
Preferably, one side of door frame is provided with the slot, the inside of people's air defense door is provided with the bolt, the bottom of bolt is provided with the rack, the bottom of bolt is provided with the gear, gear and rack intermeshing, the one end fixedly connected with second hand wheel of gear.
Preferably, the first bearing, the second bearing, the rotating shaft, the screw rod, the nut and the first handwheel are coaxial, and a cover plate is arranged at the top of one side of the door frame.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses, through setting up slider and spout, can make steady rising and decline of threshold, through setting up lead screw and first hand wheel, it is rotatory to drive the lead screw through first hand wheel that can be quick, makes the threshold rise, and is simple to use, can the emergency of quick response, can drop the threshold at ordinary times, the daily use of being convenient for.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic front view of the present invention;
fig. 2 is a schematic sectional structure of the present invention;
fig. 3 is a schematic top view of the present invention;
FIG. 4 is a schematic diagram of the enlarged structure of the A position of the present invention
Fig. 5 is a schematic side view of the present invention;
in the figure: 1. a door frame; 2. a slot; 3. a bolt; 4. a gear; 5. a chute; 6. a slider; 7. a threshold; 8. a first bearing; 9. a second bearing; 10. a rotating shaft; 11. a screw rod; 12. a nut; 13. a first hand wheel; 14. a support; 15. a fixing pin; 16. a gasket; 17. a card slot; 18. a civil air defense door; 19. a hinge; 20. a second hand wheel; 21. and (7) fixing holes.
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.
Examples
Referring to fig. 1-5, the present invention provides the following technical solutions: the airtight threshold mechanism of people's air defense door lift, including the door frame 1, the side of door frame 1 is provided with the hinge 19, door frame 1 has people's air defense door 18 through hinge 19 swing joint, the inner wall both sides of door frame 1 all are provided with spout 5, the bottom of door frame 1 is provided with threshold 7, the both sides of threshold 7 are provided with slider 6, slider 6 sliding connection is in spout 5, the bottom of door frame 1 is provided with first bearing 8, pivot 10 is worn to be equipped with in the first bearing 8 activity, the top of pivot 10 is provided with lead screw 11, the bottom of door frame 1 is provided with support 14, the top of support 14 is provided with second bearing 9, pivot 10 is worn to be equipped with in the second bearing 9 activity, pivot 10 bottom and the top fixed connection of lead screw 11 in the second bearing 9, pivot 10 top in the second bearing 9 is provided with first hand wheel 13, the surface of the screw rod 11 is in threaded connection with a nut 12, one side of the nut 12 is fixedly connected with one side of the threshold 7, and the top of the threshold 7 is provided with a clamping groove 17.
Specifically, the top of the threshold 7 is provided with a sealing gasket 16, and the sealing gasket 16 is made of rubber.
Specifically, the bottom of draw-in groove 17 is provided with fixed pin 15, the bottom of people's air defense door 18 is provided with fixed orifices 21, fixed pin 15 pegs graft in fixed orifices 21.
Specifically, one side of door frame 1 is provided with slot 2, the inside of people's air defense door 18 is provided with bolt 3, the bottom of bolt 3 is provided with the rack, the bottom of bolt 3 is provided with gear 4, gear 4 and rack intermeshing, the one end fixedly connected with second hand wheel 20 of gear 4.
Specifically, the first bearing 8, the second bearing 9, the rotating shaft 10, the lead screw 11, the nut 12 and the first hand wheel 13 are coaxial, and a cover plate is arranged at the top of one side of the door frame 1.
The utility model discloses a theory of operation and use flow: the utility model discloses, during the use, when needing to rise threshold 7, uncover the apron, rotatory first hand wheel 13, the rotatory nut 12 that drives of lead screw 11 risees, and nut 12 raises threshold 7, and draw-in groove 17 can block the bottom of people's air defense door 18, and fixed pin 15 can insert the fixed orifices 21 in the while, reaches the purpose of consolidating people's air defense door 18.
Finally, it should be noted that: 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 described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. Airtight threshold mechanism of people's air defense door lift, including door frame (1), its characterized in that: the side of the door frame (1) is provided with a hinge (19), the door frame (1) is movably connected with a civil air defense door (18) through the hinge (19), the two sides of the inner wall of the door frame (1) are respectively provided with a chute (5), the bottom of the door frame (1) is provided with a doorsill (7), the two sides of the doorsill (7) are provided with a sliding block (6), the sliding block (6) is slidably connected in the chutes (5), the bottom of the door frame (1) is provided with a first bearing (8), a rotating shaft (10) is movably arranged in the first bearing (8), the top of the rotating shaft (10) is provided with a screw rod (11), the bottom of the door frame (1) is provided with a bracket (14), the top of the bracket (14) is provided with a second bearing (9), the rotating shaft (10) is movably arranged in the second bearing (9), the bottom of the rotating shaft (10) in the second bearing (9) is, the improved structure of the door sill is characterized in that a first hand wheel (13) is arranged at the top of a rotating shaft (10) in the second bearing (9), a nut (12) is connected to the surface of the screw rod (11) in a threaded mode, one side of the nut (12) is fixedly connected with one side of the door sill (7), and a clamping groove (17) is formed in the top of the door sill (7).
2. The civil air defense door lifting closed threshold mechanism as claimed in claim 1, wherein: the top of threshold (7) is provided with sealed pad (16), the material of sealed pad (16) is the rubber material.
3. The civil air defense door lifting closed threshold mechanism as claimed in claim 1, wherein: the bottom of draw-in groove (17) is provided with fixed pin (15), the bottom of people's air defense door (18) is provided with fixed orifices (21), fixed pin (15) are pegged graft in fixed orifices (21).
4. The civil air defense door lifting closed threshold mechanism as claimed in claim 1, wherein: one side of door frame (1) is provided with slot (2), the inside of people's air defense door (18) is provided with bolt (3), the bottom of bolt (3) is provided with the rack, the bottom of bolt (3) is provided with gear (4), gear (4) and rack intermeshing, the one end fixedly connected with second hand wheel (20) of gear (4).
5. The civil air defense door lifting closed threshold mechanism as claimed in claim 1, wherein: the first bearing (8), the second bearing (9), the rotating shaft (10), the screw rod (11), the nut (12) and the first hand wheel (13) are coaxial, and a cover plate is arranged at the top of one side of the door frame (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922267905.6U CN211524518U (en) | 2019-12-17 | 2019-12-17 | Lifting closed threshold mechanism of civil air defense door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922267905.6U CN211524518U (en) | 2019-12-17 | 2019-12-17 | Lifting closed threshold mechanism of civil air defense door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211524518U true CN211524518U (en) | 2020-09-18 |
Family
ID=72445824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922267905.6U Active CN211524518U (en) | 2019-12-17 | 2019-12-17 | Lifting closed threshold mechanism of civil air defense door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211524518U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112814527A (en) * | 2021-03-17 | 2021-05-18 | 宁波市世纪防护设备厂 | Lifting doorsill |
-
2019
- 2019-12-17 CN CN201922267905.6U patent/CN211524518U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112814527A (en) * | 2021-03-17 | 2021-05-18 | 宁波市世纪防护设备厂 | Lifting doorsill |
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