CN203248025U - Threshold-free civil air defense door for entrance and exit - Google Patents
Threshold-free civil air defense door for entrance and exit Download PDFInfo
- Publication number
- CN203248025U CN203248025U CN 201320279073 CN201320279073U CN203248025U CN 203248025 U CN203248025 U CN 203248025U CN 201320279073 CN201320279073 CN 201320279073 CN 201320279073 U CN201320279073 U CN 201320279073U CN 203248025 U CN203248025 U CN 203248025U
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- door leaf
- door
- sealed beam
- sealing
- transmission shaft
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Abstract
A threshold-free civil air defense door for an entrance and exit comprises a door leaf, a door frame, a door lock and hinges, and a sealing beam a and a sealing beam lifting mechanism are arranged on the lower portion of the door leaf. The sealing beam is a turnover type sealing beam and comprises a hinged support, a rocking bar, a turnover beam, a ground sealing element and a door leaf sealing element, wherein the hinged support is fixedly connected to the back face of the door leaf, the rocking bar is hinged to the hinged support, the turnover beam is fixedly connected to the rocking bar, the ground sealing element is fixed on the turnover beam and is matched with the ground, and the door leaf sealing element is fixed on the turnover beam and is matched with the door leaf. The sealing beam lifting mechanism comprises an inverted L-shaped vertical connecting rod, a crank, a shaft seat, a bearing, a sealing beam lifting mechanism transmission shaft, a reversing speed changer and a sealing beam lifting handle. The civil air defense door is provided with no threshold which protrudes from the ground, people can enter and exit conveniently in peace time, the civil air defense door can be closed quickly at war, the functions of defense and sealing are achieved, the threshold-free civil air defense door is suitable for defending and sealing the entrance and exit for civil air defense engineers and vehicles, and the civil air defense door has the advantages of being reasonable in structure, convenient to use, easy to operate, flexible in opening and closing, economical, practical and convenient to maintain.
Description
Technical field
The utility model relates to a kind of closed guard gate who is applied in place, civil air defense constructions and installations access.
Background technology
Civil air defense constructions and installations generally all is the manufacturing products for both peacetime and wartime us engineering, has at ordinary times a large amount of personnel and equipment to come in and go out, and the closed guard gate of access is closed in wartime requirement, prevents that shock wave and poison gas from entering civil air defense constructions and installations inside.For the closed guard gate who guarantees the access can keep out the effect of shock wave in wartime, the closed guard gate generally will arrange the threshold on an outstanding ground, is used for bearing the shock wave pressure on the door leaf, but this threshold brings very large inconvenience at ordinary times personnel and vehicle discrepancy.
For ease of the at ordinary times discrepancy of a large amount of personnel and vehicle, existing solution has two kinds: 1, some closed guard gate does not establish threshold, but a groove is set before doorframe, ditch groove upper cap upper steel plate at ordinary times is after door leaf closed and put in place wartime, door leaf is dropped in this groove first, with the door leaf locking, realize closed guard gate's protection and sealing function again, but this overhead door is because door leaf weight is larger, the lifting door leaf is wasted time and energy, and the door leaf switch is very inconvenient; 2, some closed guard gate adopts the structural shape of movable sill, and movable sill does not fill at ordinary times, is convenient to pass through, and install movable sill wartime again, but the weight of movable sill is larger, and difficulty is installed, and flat battle achievement energy is long conversion time, and movable sill is preserved inconvenience at ordinary times in addition, loses easily.
The utility model content
The purpose of this utility model provides a kind of access without the threshold closed guard gate, solve existing closed guard gate and can bring the technical problem of very large inconvenience to personnel and vehicle discrepancy at ordinary times.
For achieving the above object, the utility model adopts following technical scheme: a kind of access is without the threshold closed guard gate, be arranged on place, civil air defense constructions and installations access, include door leaf, doorframe, locking and hinge page, and be provided with seal between door leaf and the doorframe, it is characterized in that: the bottom of door leaf is provided with sealed beam and sealed beam elevating mechanism.
Described sealed beam is convertible sealed beam, comprises the free bearing that is fixedly connected on the door leaf back side, the rocking bar on free bearing of being articulated and connected, is fixedly connected on flip beam on the rocking bar, is fixed on the ground face seal that cooperates with ground on the flip beam and is fixed on the door leaf seal that cooperates with door leaf on the flip beam.
Described sealed beam elevating mechanism comprises the inverted L-shaped vertical link, crank, axle bed, bearing, sealed beam elevating mechanism power transmission shaft, reversing speed variator and sealed beam lifting handle, described sealed beam lifting handle is connected on the input of reversing speed variator, the output of reversing speed variator is connected with sealed beam elevating mechanism power transmission shaft, sealed beam elevating mechanism power transmission shaft is connected on the door leaf by axle bed and bearing, sealed beam elevating mechanism power transmission shaft also is connected with an end coaxial rotation of crank, the other end of crank is articulated and connected with the upper end of inverted L-shaped vertical link again, and the lower end of inverted L-shaped vertical link is articulated and connected with rocking bar again.
Described locking comprises the reducer of turbodrill that is arranged in the door leaf abdominal cavity, the locking power transmission shaft, conic reducer, the upper driving screw mandrel, the underdrive screw mandrel, upper ejector pin, lower push rod, upper tapered end, lower lock head and transverse link, be arranged on the door leaf steel facing outside, and pass the locking handwheel that the door leaf steel facing is connected with the input of the reducer of turbodrill that is arranged in the door leaf abdominal cavity, and be arranged on the upper lock corresponding with upper tapered end on the doorframe and be arranged on the ground lower lock corresponding with lower lock head, described reducer of turbodrill each side be provided with an output, and reducer of turbodrill is connected with an end of the locking power transmission shaft of the horizontally set that is distributed in the reducer of turbodrill left and right sides by the output of the left and right sides, the other end of locking power transmission shaft drives by conic reducer again and connects upper driving screw mandrel and underdrive screw mandrel, the upper driving screw mandrel is connected with upper tapered end by upper ejector pin, the underdrive screw mandrel is connected with transverse link by lower push rod, and described lower lock head again horizontal interval is arranged on the transverse link.
Described hinge page comprises hinge page seat, main shaft, loading arm, lower hinge page seat, bearing pin and flap, the upper end of described main shaft is connected by bearing and upper hinge page seat, the lower end of main shaft is connected by bearing and lower hinge page seat, the interlude of main shaft is connected with door leaf by loading arm, and the interlude of main shaft also is connected with door leaf with flap by bearing pin.
Described door leaf can be the double door structure.
Compared with prior art the utlity model has following characteristics and beneficial effect: the utility model be a kind of both not outstanding ground threshold, be convenient to pass through at ordinary times, can put in place in the quick closedown in wartime again, realize protecting and the closed guard gate of sealing function.
The utility model is convenient to pass through at ordinary times without threshold, is applicable to the protection of civil air defense constructions and installations personnel and vehicle in and out port and airtight, is particularly useful for the Large Underground civil air defense constructions and installations of passing through at ordinary times busy.
The utility model has been realized withstand shocks ripple and the sealing function without threshold double-leaf vertical-revolving closed guard gate, have rational in infrastructure, application is convenient, simple to operate, switch is flexible, economical and practical, the characteristics being convenient to safeguard.
Various seal approach in the utility model are reliable, and airtight performance is good.
Sealed beam elevating mechanism in the utility model is easy and simple to handle, can realize fast that flat battle achievement can change.
Locking in the utility model can be synchronous with the sealed beam action, and stressed even, opens and closes flexibly.
Hinge page in the utility model adopts two hinge hinge pages, and is both rotatable, but again translation, movable position all is provided with rolling bearing, and the door leaf switch is laborsaving flexibly.
Description of drawings
The utility model is described in more detail below in conjunction with accompanying drawing.
Fig. 1 is main TV structure schematic diagram of the present utility model.
Fig. 2 is the schematic diagram of A-A section among Fig. 1.
Fig. 3 is the schematic diagram of B-B section among Fig. 1.
Fig. 4 is sealed beam and the sealed beam elevating mechanism schematic diagram when closing.
Fig. 5 is the schematic diagram of C-C section among Fig. 4.
Fig. 6 is sealed beam and the sealed beam elevating mechanism schematic diagram when opening.
Fig. 7 is the schematic diagram of locking.
Fig. 8 is the schematic diagram of D-D section among Fig. 7.
Fig. 9 is the schematic diagram of hinge page.
Figure 10 is the schematic diagram of E-E section among Fig. 9.
Figure 11 is the schematic diagram of F-F section among Fig. 9.
Reference numeral: 1-door leaf, the 2-doorframe, the 3-locking, the 4-hinge page, the 5-sealed beam, 6-sealed beam elevating mechanism, 7-sealed beam elevating mechanism power transmission shaft, the 8-reversing speed variator, 9-sealed beam lifting handle, the 10-free bearing, the 11-rocking bar, the 12-flip beam, 13-ground face seal, 14-door leaf seal, 15-inverted L-shaped vertical link, the 16-crank, the 17-axle bed, the 18-bearing, 19-locking handwheel, the 20-reducer of turbodrill, 21-locking power transmission shaft, the 22-conic reducer, 23-upper driving screw mandrel, 24-underdrive screw mandrel, the 25-upper ejector pin, the 26-lower push rod, the upper tapered end of 27-, the 28-lower lock head, the upper lock of 29-, lock under the 30-, the 31-transverse link, the upper hinge page seat of 32-, the 33-main shaft, the 34-loading arm, hinge page seat under the 35-, the 36-bearing pin, the 37-flap, 38-door leaf abdominal cavity.
The specific embodiment
Embodiment is referring to shown in Fig. 1-3, and this access is arranged on place, civil air defense constructions and installations access without the threshold closed guard gate, includes door leaf 1, doorframe 2, locking 3, hinge page 4, sealed beam 5 and sealed beam elevating mechanism 6, and is provided with seal between door leaf 1 and the doorframe 2.In the present embodiment, door leaf 1 is the double door structure, door leaf comprise front steel plate, back side steel plate and be clipped in the front steel plate and back side steel plate between type steel skeleton, and be door leaf abdominal cavity 38 between front steel plate and the back side steel plate.
Referring to Fig. 4-6, described sealed beam 5 is convertible sealed beam, comprises the free bearing 10 that is fixedly connected on the door leaf back side, the rocking bar 11 on free bearing of being articulated and connected, is fixedly connected on flip beam 12 on the rocking bar, is fixed on the ground face seal 13 that cooperates with ground on the flip beam and is fixed on the door leaf seal 14 that cooperates with door leaf on the flip beam; Described ground face seal 13 is used for the sealing on flip beam 12 and ground, and described door leaf seal 14 is used for the sealing of flip beam 12 and door leaf.
Described sealed beam elevating mechanism 6 comprises inverted L-shaped vertical link 15, crank 16, axle bed 17, bearing 18, sealed beam elevating mechanism power transmission shaft 7, reversing speed variator 8 and sealed beam lifting handle 9, described sealed beam lifting handle 9 is connected on the input of reversing speed variator 8, the output of reversing speed variator 8 is connected with sealed beam elevating mechanism power transmission shaft 7, sealed beam elevating mechanism power transmission shaft 7 is connected on the door leaf by axle bed 17 and bearing 18, sealed beam elevating mechanism power transmission shaft also is connected with an end coaxial rotation of crank 16, the other end of crank 16 is articulated and connected with the upper end of inverted L-shaped vertical link 15 again, and the lower end of inverted L-shaped vertical link 15 is articulated and connected with rocking bar 11 again.
Described convertible sealed beam is the sealing that realizes door leaf and passage ground, the rotary movement of the flip beam 12 in the convertible sealed beam is (sealed beam elevating mechanism 6 drive rocking bars 11 that the drive of dependence sealed beam elevating mechanism 6 realizes, rocking bar 11 drives again flip beam 12 and rotates), and when the ground face seal 13 on flip beam 12 and the bounce of door leaf seal 14 are maximum, the coaxial rotation tie point of sealed beam elevating mechanism power transmission shaft 7 and crank 16, the pin joint of crank 16 and inverted L-shaped vertical link 15, and the pin joint of inverted L-shaped vertical link 15 and rocking bar 11 will to be on the same straight line (be the A among Fig. 5, B, C three names a person for a particular job and is on the same straight line), the moment of resistance of this moment is zero, so simple operation is laborsaving, be conducive to realize sealing.
Referring to Fig. 7, Fig. 8, described locking 3 comprises the reducer of turbodrill 20 that is arranged in the door leaf abdominal cavity 38, locking power transmission shaft 21, conic reducer 22, upper driving screw mandrel 23, underdrive screw mandrel 24, upper ejector pin 25, lower push rod 26, upper tapered end 27, lower lock head 28 and transverse link 31, be arranged on door leaf steel facing (being front steel plate and the back side steel plate) outside, and pass the locking handwheel 19 that the door leaf steel facing is connected with the input of the reducer of turbodrill 20 that is arranged in door leaf abdominal cavity 38, and be arranged on the upper lock 29 corresponding with upper tapered end 27 on the doorframe and be arranged on the corresponding lower lock 30 of ground and lower lock head 28, described reducer of turbodrill 20 each side be provided with an output, and reducer of turbodrill 20 is connected with an end of the locking power transmission shaft 21 of the horizontally set that is distributed in the reducer of turbodrill left and right sides by the output of the left and right sides, the other end of locking power transmission shaft 21 drives by conic reducer 22 again and connects upper driving screw mandrel 23 and underdrive screw mandrel 24, upper driving screw mandrel 23 is connected with upper tapered end 27 by upper ejector pin 25, underdrive screw mandrel 24 is connected with transverse link 31 by lower push rod 26, and described lower lock head 28 again horizontal interval is arranged on the transverse link 31.
The overwhelming majority of described locking all is arranged in the door leaf abdominal cavity, in door leaf surface sealed beam being set and elevating mechanism provides installing space.
Locking drives tapered end by worm reducer, conic reducer and drive lead screw, and tapered end is inserted in the obturator hernia of the lock on the doorframe, fixes thus door leaf.The tapered end of locking is arranged up and down (the up and down two ends that tapered end is arranged in door leaf), is used for bearing the Dynamic load of nuclear blast of door leaf.
Door leaf in the utility model ripple load that can withstand shocks, and the threshold without outstanding ground, door leaf, doorframe are by the locking ripple load that withstands shocks: when shock wave, upper, left and right three limits at door leaf, door leaf is directly passed to door frame wall with shock wave pressure, in the bottom of door leaf, door leaf passes to door frame wall by transverse link and lower lock head with shock wave pressure.
The weather strip at upper, left and right three limits of door leaf and the middle crack between a door and its frame place of double door all adopts the trapezoidal sponge adhesive tape of standard airtight.Locking when locking, the trapezoidal sponge adhesive tape at middle the crack between a door and its frame place of upper, left and right three limits of door leaf and double door is compressed.
Referring to Fig. 9-11, described hinge page 4 comprises hinge page seat 32, main shaft 33, loading arm 34, lower hinge page seat 35, bearing pin 36 and flap 37, the upper end of described main shaft 33 is connected by bearing and upper hinge page seat 32, the lower end of main shaft 33 is connected by bearing and lower hinge page seat 35, the interlude of main shaft 33 is connected with door leaf by loading arm 34, and the interlude of main shaft 33 also passes through bearing pin 36 is connected with flap and is connected with door leaf.Described hinge page adopts two hinges designs, can rotate and can translation (rotate in fixed axis during the door leaf switch, then do translational motion during the compression adhesive tape).
Operating principle of the present utility model: adopt Manual vertical to turn opening/shutting mode, its core action is first the door leaf pass to be put in place, then close-lock, door leaf is fixed, and then drive convertible sealed beam by sealed beam elevating mechanism 6, realize under the door leaf along with the sealing on ground, whole convenient to operation.
The course of work of the present utility model is as follows.
At closing time, close first right door leaf: after right door leaf closes and puts in place, rotate the locking handwheel along " pass " direction, the tapered end of locking this moment stretches out in the door leaf abdominal cavity, insert respectively in the obturator hernia on upper door frame and ground (upper tapered end 27 inserts in the obturator hernia in the upper lock 29, lower lock head 28 insert in the obturator hernia in the lower lock 30), and compress weather strip between right door leaf and the doorframe, and right door leaf is fixed; Then the sealed beam lifting handle on the right door leaf is rotated 90 ° along " pass " direction, the sealed beam on half section on the right side is fallen the gap between hermetic door leaf and the ground.Rear pass left-hand door fan: rotate the locking handwheel along " pass " direction, compress between left-hand door fan and the doorframe and the weather strip between left-hand door fan and the right door leaf, and the left-hand door fan is fixing, then the sealed beam lifting handle on the left-hand door fan is rotated 90 ° along " pass " direction, the sealed beam on half section on a left side is fallen, thereby realized whole sealing function.
When opening the door, operating process is moved on the contrary with closing the door, and first the sealed beam lifting handle on the left-hand door fan is rotated 90 ° along " opening " direction, with the sealed beam rise on half section on a left side, rotate the locking handwheel that left-hand door is fanned along " opening " direction again, locking is opened, open the left-hand door fan, then the sealed beam lifting handle on the right door leaf is rotated 90 ° along " opening " direction, the sealed beam on half section on the right side is risen, edge " opening " direction is rotated the locking handwheel on the right door leaf again, and locking is opened, and can open right door leaf.
Claims (4)
1. an access is without the threshold closed guard gate, be arranged on place, civil air defense constructions and installations access, include door leaf (1), doorframe (2), locking (3) and hinge page (4), and be provided with seal between door leaf and the doorframe, it is characterized in that: the bottom of door leaf is provided with sealed beam (5) and sealed beam elevating mechanism (6);
Described sealed beam (5) is convertible sealed beam, comprises the free bearing (10) that is fixedly connected on the door leaf back side, the rocking bar (11) on free bearing of being articulated and connected, is fixedly connected on flip beam (12) on the rocking bar, is fixed on the ground face seal (13) that cooperates with ground on the flip beam and is fixed on the door leaf seal (14) that cooperates with door leaf on the flip beam;
Described sealed beam elevating mechanism (6) comprises inverted L-shaped vertical link (15), crank (16), axle bed (17), bearing (18), sealed beam elevating mechanism power transmission shaft (7), reversing speed variator (8) and sealed beam lifting handle (9), described sealed beam lifting handle (9) is connected on the input of reversing speed variator (8), the output of reversing speed variator (8) is connected with sealed beam elevating mechanism power transmission shaft (7), sealed beam elevating mechanism power transmission shaft (7) is connected on the door leaf by axle bed (17) and bearing (18), sealed beam elevating mechanism power transmission shaft also is connected with an end coaxial rotation of crank (16), the other end of crank (16) is articulated and connected with the upper end of inverted L-shaped vertical link (15) again, and the lower end of inverted L-shaped vertical link (15) is articulated and connected with rocking bar (11) again.
2. access according to claim 1 is without the threshold closed guard gate, it is characterized in that: described locking (3) comprises the reducer of turbodrill (20) that is arranged in the door leaf abdominal cavity (38), locking power transmission shaft (21), conic reducer (22), upper driving screw mandrel (23), underdrive screw mandrel (24), upper ejector pin (25), lower push rod (26), upper tapered end (27), lower lock head (28) and transverse link (31), be arranged on the door leaf steel facing outside, and pass the locking handwheel (19) that the door leaf steel facing is connected with the input of the reducer of turbodrill that is arranged in door leaf abdominal cavity (38) (20), and be arranged on the upper lock (29) corresponding with upper tapered end on the doorframe and be arranged on the ground lower lock (30) corresponding with lower lock head, described reducer of turbodrill (20) each side be provided with an output, and reducer of turbodrill (20) is connected with an end of the locking power transmission shaft (21) of the horizontally set that is distributed in the reducer of turbodrill left and right sides by the output of the left and right sides, the other end of locking power transmission shaft (21) drives by conic reducer (22) again and connects upper driving screw mandrel (23) and underdrive screw mandrel (24), upper driving screw mandrel (23) is connected with upper tapered end (27) by upper ejector pin (25), underdrive screw mandrel (24) is connected with transverse link (31) by lower push rod (26), and described lower lock head (28) again horizontal interval is arranged on the transverse link (31).
3. access according to claim 1 is without the threshold closed guard gate, it is characterized in that: described hinge page (4) comprises hinge page seat (32), main shaft (33), loading arm (34), lower hinge page seat (35), bearing pin (36) and flap (37), the upper end of described main shaft (33) is connected by bearing and upper hinge page seat (32), the lower end of main shaft (33) is connected by bearing and lower hinge page seat (35), the interlude of main shaft (33) is connected with door leaf by loading arm (34), and the interlude of main shaft (33) also is connected 37 by bearing pin (36) with flap) be connected with door leaf.
4. access according to claim 1 is characterized in that without the threshold closed guard gate: described door leaf (1) is the double door structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320279073 CN203248025U (en) | 2013-05-21 | 2013-05-21 | Threshold-free civil air defense door for entrance and exit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320279073 CN203248025U (en) | 2013-05-21 | 2013-05-21 | Threshold-free civil air defense door for entrance and exit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203248025U true CN203248025U (en) | 2013-10-23 |
Family
ID=49374471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320279073 Expired - Lifetime CN203248025U (en) | 2013-05-21 | 2013-05-21 | Threshold-free civil air defense door for entrance and exit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203248025U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103266838A (en) * | 2013-05-21 | 2013-08-28 | 中国人民解放军总参谋部工程兵第四设计研究院 | Threshold-free civil defense door of doorway |
| CN104129475A (en) * | 2014-08-14 | 2014-11-05 | 无锡市海联舰船附件有限公司 | Steel weather tight door without threshold |
| CN107060500A (en) * | 2017-06-13 | 2017-08-18 | 中国人民解放军总参谋部工程兵第四设计研究院 | The two-way built-in lock mechanism and its installation method of locking in a kind of control closed guard gate |
| CN110616994A (en) * | 2019-07-23 | 2019-12-27 | 中国核工业华兴建设有限公司 | Fireproof watertight door |
-
2013
- 2013-05-21 CN CN 201320279073 patent/CN203248025U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103266838A (en) * | 2013-05-21 | 2013-08-28 | 中国人民解放军总参谋部工程兵第四设计研究院 | Threshold-free civil defense door of doorway |
| CN104129475A (en) * | 2014-08-14 | 2014-11-05 | 无锡市海联舰船附件有限公司 | Steel weather tight door without threshold |
| CN107060500A (en) * | 2017-06-13 | 2017-08-18 | 中国人民解放军总参谋部工程兵第四设计研究院 | The two-way built-in lock mechanism and its installation method of locking in a kind of control closed guard gate |
| CN107060500B (en) * | 2017-06-13 | 2022-04-22 | 中国人民解放军总参谋部工程兵第四设计研究院 | Bidirectional built-in lock mechanism for controlling locking in civil air defense door and installation method thereof |
| CN110616994A (en) * | 2019-07-23 | 2019-12-27 | 中国核工业华兴建设有限公司 | Fireproof watertight door |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131023 |
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| CX01 | Expiry of patent term |