CN211666563U

CN211666563U - Building civil air defense door

Info

Publication number: CN211666563U
Application number: CN202020057150.7U
Authority: CN
Inventors: 严荣林; 郑钱; 宣丽静; 王勇
Original assignee: ZHEJIANG XINCHENG CONSTRUCTION CO LTD
Current assignee: ZHEJIANG XINCHENG CONSTRUCTION CO LTD
Priority date: 2020-01-11
Filing date: 2020-01-11
Publication date: 2020-10-13
Anticipated expiration: 2030-01-11

Abstract

The utility model relates to a building people's air defense door relates to the technical field of people's air defense equipment, rotate including installing door frame and one side on the wall body and install door body on the door frame, be provided with the fixing device who is used for locking the door in the door body, the last runner that is provided with of fixing device, the runner is located the door body outside just passes the door body is connected with the fixing device in the door body, it is provided with laborsaving pole to rotate on the runner, it is provided with the vaulting pole to rotate to take turns to and fix on, just be provided with the stopper on the vaulting pole, be provided with on the laborsaving pole with lug matched with spacing groove. The utility model discloses when rotating the runner, with the spacing groove on the laborsaving pole and the stopper cooperation of pegging graft on the vaulting pole, rotate laborsaving pole, the vaulting pole can utilize lever principle to the supporting force that laborsaving pole gave the direction, can easily rotate the runner and open the lock.

Description

Building civil air defense door

Technical Field

The utility model belongs to the technical field of the technique of people's air defense equipment and specifically relates to a building people's air defense door is related to.

Background

The building civil air defense is a general name of building engineering which takes civil air defense engineering as essential auxiliary engineering. The underground garage is mainly embodied, and the civil air defense door, the plugging door, the lighting, the ventilation, the water supply and drainage, the communication network and other hardware required by the war time shelter are arranged in the underground garage.

People's air defense is also called civil defense, which is an activity that governments and organizes the masses, takes measures of preventing air attack, resisting disaster and relieving disaster, implements rescue action, and prevents and lightens the harm of the disaster. And the civil defense door is the door of the entrance and exit of the civil protection project.

At present, patent with publication number CN203271497U discloses a clean ventilation protection sealing door for rail transit, including steel door leaf, steel door frame, steel shutting, steel hinge page and door leaf fixing device (at ordinary times the door leaf is in the open mode, door leaf fixing device withstands ground, bear door leaf dead weight and fixed door leaf), open the lockhole on lower angle steel and the last angle steel of steel door frame, so as to be convenient for the insertion of the locking head in the shutting, the shutting is including manual mechanism (including hand wheel and reduction gear), the connecting rod, the transverse connecting rod, the rocking arm, the longitudinal connecting rod, uide bushing and locking head, wherein the longitudinal connecting rod sets up the upper and lower both sides at the both ends of transverse connecting rod, and the one end of longitudinal connecting rod passes through the rocking arm and the connecting rod links to each other with the transverse connecting rod, the other end is connected with. When the locking head is used, the manual mechanism drives the transverse connecting rod to move left and right along the guide sleeve, the two ends of the transverse connecting rod drive the rotating arms to rotate through the connecting rod, the rotating arms drive the longitudinal connecting rod, and the longitudinal connecting rod drives the locking head to slide up and down along the guide sleeve so that the locking head is inserted into or withdrawn from the lock hole in the steel door frame.

The technical scheme has the following defects: the sealing door mainly adopts the connecting rod transmission to change the transmission direction of force, but the connecting rod transmission needs to give larger thrust force because the stress direction is different from the movement direction of the connecting rod, so the sealing door is harder to use.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a building people's air defense door, through laborsaving pole and utilize lever principle, reach laborsaving effect when rotating the runner to prior art exists not enough.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides a building people's air defense door, rotates including installing door frame and one side on the wall body and installs the door body on the door frame, be provided with the fixing device who is used for locking the door in the door body, the last runner that is provided with of fixing device, the runner is located the door body outside just passes the door body is connected with the fixing device in the door body, it is provided with the laborsaving pole to rotate on the runner, the fixed vaulting pole that is provided with on the runner, just be provided with the stopper on the vaulting pole, be provided with on the laborsaving pole with lug matched with spacing groove.

Through adopting above-mentioned technical scheme, when rotating the runner, with the spacing groove on the laborsaving pole with the stopper grafting cooperation on the vaulting pole, rotate the laborsaving pole, the vaulting pole can give the holding power of direction to the laborsaving pole, utilizes lever principle, can easily rotate the runner and open the lock.

The utility model discloses can further configure to in a preferred example, set up a plurality of connecting holes that set up along runner diametric direction interval on the runner, the connecting hole is provided with the internal thread, vaulting pole one end be provided with internal thread matched with external screw thread, just the vaulting pole with connecting hole threaded connection.

Through adopting above-mentioned technical scheme, vaulting pole demountable installation changes the strong point through the position that changes the vaulting pole on the connecting hole of difference, under the condition of same power, can change the size of runner atress to adapt to the user's of various strength differences demand.

The utility model discloses can further configure to in a preferred example, fixed mounting has the hinge bar on the runner, just the hinge bar includes thread end and hinged end, laborsaving pole articulates hinged end is last, just threaded connection has fixation nut on the thread end.

Through adopting above-mentioned technical scheme, laborsaving pole rotates and installs on the hinge bar to consolidate through fixation nut, when needs dismantle laborsaving pole, with fixing bolt screw thread end of back-screwing out can.

The utility model discloses can further configure to in a preferred example, laborsaving pole includes outer pole and interior pole, the guide way has been seted up to outer pole inside, interior pole slides and installs in the guide way, just be provided with the lug that the pole breaks away from in preventing on the guide way.

By adopting the technical scheme, the inner rod can slide in the outer rod, and the telescopic inner rod is convenient to store; the projection can prevent the inner rod from separating from the outer rod.

The utility model discloses can further configure to in a preferred example, be provided with spring plunger on the interior pole, spring plunger includes connecting rod, location pearl and spring, connecting rod fixed mounting be in interior pole stretches into on the one end tip of guide way, just the inside spacing groove of having seted up of connecting rod, the location pearl is installed spacing notch department, spring one end with the spacing groove tank bottom links to each other, the other end with the location pearl links to each other, the outer pole along length direction seted up a plurality of with location pearl matched with lock position hole, just the location pearl can inlay in lock position hole.

Through adopting above-mentioned technical scheme, adjust the length of laborsaving pole according to different users' needs, under the condition of same power, can change the size of runner atress. Through the cooperation in location pearl and lock position hole, the relative position of pole and outer pole in the fixed to the length of adjusting the laborsaving pole, it is also comparatively convenient when needing the shrink simultaneously.

The utility model discloses can further configure to in a preferred example, the installation cavity has been seted up in the door body, fixing device is including installing just be located in the installation cavity lifter, two at both ends are seted up respectively about the door body both ends just supply two respectively about the door frame both ends just supply two lifter male dead lock hole, fixed mounting are in just supply the stop collar that the lifter passed and install in the installation cavity just be used for driving two lifter embeddings driving piece in the dead lock hole.

Through adopting above-mentioned technical scheme, utilize the lifter in the driving piece drive stop collar for the lifter pierces through the shutting hole on the door frame, and the lifter can be with the better fixing of the door body on the door frame this moment, finally can make the door body close and have better stability, and when the door body after closing received great impact force, the door body of closing was difficult to be opened by force.

The utility model can be further configured in a preferred example, the driving piece comprises a cam rotatably mounted on the mounting cavity, a speed reducer fixedly mounted on the door body and having an output end connected with the cam, two lifting rods are rotatably provided with rollers which are inconsistent with the outer wall of the cam on the end part close to one end of the cam, and a rotating wheel is fixedly connected on an input shaft of the speed reducer;

one end of the lifting rod, which is close to the locking hole, is provided with a restoring piece, and the restoring piece comprises a fixed block fixedly arranged on the lifting rod and a restoring spring sleeved on the lifting rod.

By adopting the technical scheme, the rotating wheel drives the cam to rotate through the speed reducer, the lifting rod rolls on the outer wall of the cam through the roller wheel, so that lifting is realized, and finally the lifting rod penetrates into the locking hole; the speed reducer has a self-locking function, so that the probability of the reversal of the cam can be reduced; the return spring is used for providing a restoring force to the lifting rod when the door is opened so that the lifting rod is separated from the locking hole.

The utility model discloses can further configure to in a preferred example, the week side of door frame all is fixed with the reinforcing plate that is used for imbedding in the wall body, the reinforcing plate with be provided with the strengthening rib between the door frame.

Through adopting above-mentioned technical scheme, the reinforcing plate is used for the embedding in the wall body, and the joint strength between reinforcing rib multiplicable reinforcing plate and the door frame simultaneously for the door frame is difficult for droing from the wall body.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the door lock can be opened by easily rotating the rotating wheel through the action of the labor-saving rod and the support rod and by utilizing the lever principle;

2. the support handle rod is detachably arranged on different connecting holes, the supporting point is changed by changing the position of the support handle rod, and the stress of the rotating wheel can be changed under the condition of the same force, so that the requirements of users with different strength are met;

3. the inner rod of the labor-saving rod can slide in the outer rod, the length of the labor-saving rod can be adjusted as required, the labor-saving rod is fixed through the spring plunger, and the labor-saving rod is convenient to retract when required.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic structural view of the installation cavity of the present invention;

FIG. 3 is an enlarged schematic view of portion A of FIG. 2;

fig. 4 is a cross-sectional schematic view of the power saving lever.

Reference numerals: 1. a door frame; 2. a reinforcing plate; 21. reinforcing ribs; 3. a door body; 4. a mounting cavity; 51. a lifting rod; 511. a roller; 512. a fixed block; 513. a return spring; 52. a limiting sleeve; 53. a cam; 54. A speed reducer; 55. a rotating wheel; 551. fixing a nut; 552. a brace bar; 553. connecting holes; 6. a labor-saving rod; 61. an outer rod; 611. a guide groove; 612. a bump; 613. a lock position hole; 62. an inner rod; 621. a protrusion; 622. A positioning bead; 623. a spring.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, a building civil air defense door, including installing door frame 1 on the wall body, the week side homogeneous body of door frame 1 is provided with reinforcing plate 2, and reinforcing plate 2 is used for the embedding in the wall body, and the welding has strengthening rib 21 between reinforcing plate 2 and the door frame 1 simultaneously, and strengthening rib 21 multiplicable reinforcing plate 2 and the joint strength between the door frame 1 for door frame 1 is difficult for droing from the wall body. Be connected with a body 3 on the door frame 1, door body 3 one side articulates on door frame 1, has seted up installation cavity 4 in the body 3, and is provided with two sets of fixing device in the installation cavity 4, and two sets of fixing device along 3 width direction intervals settings of the body.

Referring to fig. 2 and 3, each set of fixtures includes two lift rods 51, a latching hole, a stop collar 52, and a driving member, which in turn includes a cam 53 and a reducer 54. The cam 53 is rotatably mounted in the mounting chamber 4; the speed reducer 54 is fixedly installed on the door body 3 and located in the installation cavity 4, an output end of the speed reducer 54 is fixedly connected with the cam 53, and an output shaft of the speed reducer 54 penetrates out of the door body 3 and is fixedly connected with the rotating wheel 55. The two lifting rods 51 are respectively installed at the upper end and the lower end of the installation cavity 4 in a sliding manner, and the end part of one end of each lifting rod 51 close to the cam 53 is arranged on the roller 511, and the roller 511 is abutted to the outer wall of the cam 53. The locking holes are respectively formed at the upper end and the lower end of the door body 3, the limiting sleeve 52 is fixedly arranged in the installation cavity 4, and the two lifting rods 51 penetrate through the limiting sleeve 52 and the end parts of the two lifting rods can be inserted into the locking holes.

A restoring piece is arranged at one end, close to the locking hole, of the lifting rod 51, the restoring piece comprises a fixing block 512 and a restoring spring 513, the fixing block 512 is fixedly installed on the lifting rod 51, and the distance between the fixing block 512 and the locking hole is smaller than the distance between the limiting sleeve 52 and the locking hole; the return spring 513 is sleeved on the lifting rod 51, and when the civil air defense door is locked, one end of the return spring 513 is tightly abutted with the door body 3, and the other end is tightly abutted with the fixing block 512. The rotating wheel 55 drives the cam 53 to rotate through the speed reducer 54, the lifting rod 51 rolls on the outer wall of the cam 53 through the roller 511, so that lifting is realized, and finally the lifting rod 51 penetrates into the locking hole; the speed reducer 54 has a self-locking function, so that the probability of the reversal of the cam 53 can be reduced; when the door is opened, the return spring 513 supplies a restoring force to the lift lever 51 so that the lift lever 51 is disengaged from the latching hole.

The rotating wheel 55 is rotatably connected with a labor-saving rod 6, a hinge rod is fixedly arranged on the rotating wheel 55, a hinge end is arranged at one end of the hinge rod close to the rotating wheel 55, and the labor-saving rod 6 is rotatably arranged on the hinge end; the one end that runner 55 was kept away from to articulated pole is provided with the screw thread end, and fixed nut 551 is served to fixed mounting, and fixed nut 551 can carry on spacingly to the articulated department of laborsaving pole 6, also convenient to detach laborsaving pole 6 simultaneously. The rotating wheel 55 is provided with three connecting holes 553, the connecting holes 553 are arranged at intervals along the diameter direction of the rotating wheel 55, and internal threads are arranged in the connecting holes 553; a support rod 552 is arranged on the rotating wheel 55, an external thread matched with the internal thread is arranged at one end of the support rod 552, and the support rod 552 is in threaded connection with any connecting hole 553. The integrated stopper that is provided with on vaulting pole 552, and be provided with on laborsaving pole 6 with stopper matched with spacing groove, laborsaving pole 6 passes through stopper and spacing groove inlay card on vaulting pole 552. The power saving lever 6 uses the lever principle to realize the rotation of the runner 55 by using the stay rod 552 as a supporting point.

The supporting rod 552 is detachably mounted on different connecting holes 553, the supporting point is changed by changing the position of the supporting rod 552, and the force applied to the rotating wheel 55 can be changed under the condition of the same force, so that the requirements of users with different strength can be met.

Referring to fig. 3 and 4, the labor-saving rod 6 includes an inner rod 62 and an outer rod 61, a guide groove 611 is formed inside the outer rod 61, and the inner rod 62 is slidably mounted in the guide groove 611, so that a telescopic function is realized. The end of the guide groove 611 far away from the rotary table is fixedly provided with a projection 612 for preventing the inner rod 62 from disengaging, the end of the inner rod 62 near the guide groove 611 is fixedly provided with a projection 621, and the projection 621 and the projection 612 are positioned on the same side of the guide groove 611. The length of the force-saving rod 6 can be adjusted according to the requirements of different users, and the force-bearing size of the rotary disc can be changed under the condition of the same force.

A spring plunger is arranged on the bump 612 and comprises a connecting rod, a positioning ball 622 and a spring 623, the connecting rod is fixedly arranged on the bulge 621, and a limiting groove is formed in the connecting rod; the positioning ball 622 is arranged at the notch of the limiting groove; one end of the spring 623 is fixedly connected with the bottom of the limiting groove, and the other end of the spring 623 is connected with the positioning ball 622. Spacing notch department still is provided with the throat that the diameter is less than location ball 622, and the connecting rod is close to the one end of throat and has radially seted up the tool groove along the connecting rod, and the tool groove can be used to use when installing spring plunger. The outer rod 61 is provided with a plurality of locking holes 613 matched with the positioning beads 622 along the length direction, and the positioning beads 622 can be embedded in the locking holes 613. The method of using the spring plunger is prior art and will not be described herein.

The working principle of the embodiment is as follows:

the support rod 552 is detachably mounted on different connecting holes 553, the supporting point is changed by changing the position of the support rod 552 or the length of the telescopic labor-saving rod 6 is changed, and the force applied to the rotating wheel 55 can be changed under the condition of the same force, so that the requirements of users with different strength can be met. The inner rod 62 is fixed by a spring plunger, and by rotating the labor-saving rod 6, the turntable is driven to rotate by utilizing the lever principle, so that the speed reducer 54 is driven to rotate, the cam 53 on the output shaft of the speed reducer 54 also starts to rotate, so that the two lifting rods 51 are lifted, and when the lifting rods 51 are inserted into the locking holes, the door body 3 can be locked; the turning wheel 55 is reversed, and the lift lever 51 is disengaged from the latching hole by the urging force of the return spring 513 to the lift lever 51.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: 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 building people's air defense door, rotates including door frame (1) and one side of installing on the wall body and installs door body (3) on door frame (1), its characterized in that: be provided with the fixing device who is used for locking the door in the door body (3), the last runner (55) that is provided with of fixing device, runner (55) are located the door body (3) outside just passes the door body (3) and be connected with the fixing device in the door body (3), it is provided with laborsaving pole (6) to rotate on runner (55), fixed vaulting pole (552) that are provided with on runner (55), just be provided with the stopper on vaulting pole (552), be provided with on laborsaving pole (6) with stopper matched with spacing groove.

2. A building air defense door as claimed in claim 1, wherein: the rotating wheel (55) is provided with a plurality of connecting holes (553) which are arranged at intervals along the diameter direction of the rotating wheel (55), the connecting holes (553) are provided with internal threads, one end of the support handle rod (552) is provided with external threads matched with the internal threads, and the support handle rod (552) is in threaded connection with the connecting holes (553).

3. A building air defense door as claimed in claim 1, wherein: the rotating wheel (55) is fixedly provided with a hinged rod, the hinged rod comprises a threaded end and a hinged end, the labor-saving rod (6) is hinged to the hinged end, and the threaded end is connected with a fixing nut (551) in a threaded mode.

4. A building air defense door as claimed in claim 1, wherein: the labor-saving rod (6) comprises an outer rod (61) and an inner rod (62), a guide groove (611) is formed in the outer rod (61), the inner rod (62) is installed in the guide groove (611) in a sliding mode, and a protruding block (612) for preventing the inner rod (62) from being separated is arranged on the guide groove (611).

5. A building civil air defense door according to claim 4, characterized in that: be provided with spring plunger on interior pole (62), spring plunger includes connecting rod, location pearl (622) and spring (623), the connecting rod fixed mounting be in interior pole (62) stretch into on the one end tip of guide way (611), just the inside spacing groove of having seted up of connecting rod, location pearl (622) are installed spacing notch department, spring (623) one end with spacing groove tank bottom links to each other, the other end with location pearl (622) link to each other, outer pole (61) along length direction seted up a plurality of with location pearl (622) matched with is locked hole (613), just location pearl (622) can inlay in lock hole (613).

6. A building air defense door as claimed in claim 1, wherein: the utility model discloses a door body, including the door body (3), fixing device has seted up installation cavity (4), fixing device is including installing in installation cavity (4) and be located lifter (51), two of both ends are seted up respectively about the door body (3) both ends just supply two respectively about door frame (1) lifter (51) male blocking hole, fixed mounting just supply stop collar (52) that lifter (51) passed and install in installation cavity (4) and be used for driving two lifter (51) embedding driving piece in the blocking hole.

7. A building civil air defense door according to claim 6, characterized in that: the driving piece comprises a cam (53) rotatably mounted on the mounting cavity (4) and a speed reducer (54) fixedly mounted on the door body (3) and the output end of the speed reducer is connected with the cam (53), rollers (511) which are abutted against the outer wall of the cam (53) are rotatably arranged on the end parts of one ends, close to the cam (53), of the two lifting rods (51), and a rotating wheel (55) is fixedly connected to an input shaft of the speed reducer (54);

one end of the lifting rod (51) close to the locking hole is provided with a restoring piece, and the restoring piece comprises a fixed block (512) fixedly installed on the lifting rod (51) and a restoring spring (513) sleeved on the lifting rod (51).

8. A building air defense door as claimed in claim 1, wherein: all be fixed with on the week side of door frame (1) and be used for embedding reinforcing plate (2) in the wall body, reinforcing plate (2) with be provided with between door frame (1) strengthening rib (21).