CN209586179U

CN209586179U - Security protection door and security system

Info

Publication number: CN209586179U
Application number: CN201821741868.7U
Authority: CN
Inventors: 唐飞; 邝尔华; 唐跃
Original assignee: Sichuan Hongfan Special Equipment Engineering Co Ltd
Current assignee: Sichuan Hongfan Special Equipment Engineering Co Ltd
Priority date: 2018-10-26
Filing date: 2018-10-26
Publication date: 2019-11-05
Anticipated expiration: 2028-10-26

Abstract

The utility model discloses a kind of security protection door and security systems, belong to people's air defense field, including door main body, doorframe, movable sill and easily push away component, movable sill is arranged below door main body, door main body is mounted on doorframe by easily pushing away component, is pushed away component easily as two and is easily pushed away unit；The sealing reinforced device includes including fixation member, slide unit and locking receiving member, and fixation member is connected on door main body, locking receiving member be mounted on doorframe or or wall on；Fixation member and slide unit form two channels, which is first passage and second channel, and slide unit slides between first passage and second channel.The utility model makes the power for only using very little, so that it may door be pushed open or be shut, and sealing effect is good.

Description

Security protection door and security system

Technical field

The utility model relates to a kind of security protection door and security systems.

Background technique

The one kind of armored concrete movable sill protective door as people's air defense measure is mounted on building or towards basement Safeguard is mainly used for that shock wave and isolation is stopped to have poison gas, and airtight blast door can be closed by encountering burst accident or war Protective action support personnel's safety can be played.The threshold mechanism of airtight blast door is divided into door main body sill, movable sill, landing-type door Sill.Door main body sill cost is lower, but inconvenient personnel or vehicles while passing；Movable sill can be installed when needed, play protection And sealing function.

201720985293.2 disclosing a kind of movable sill protection airtight door, the airtight blast door of the structure reduces peace Difficulty is filled, improves the installation effectiveness of movable sill to the utmost, still, on the one hand, due to security needs, common closed guard gate In order to keep door heavier, armored concrete is used, so that closing up very inconvenient, needs biggish power that could close, In In emergency circumstances, it also be easy to cause closing to extend, reduces life security coefficient.On the other hand, there are close for the airtight blast door Sealing property it is poor and close after be easily opened open defect, cannot sufficiently resist Outer risks.

The utility model is cited in full text for 201720985293.2.

Utility model content

In view of the above shortcomings, one of the purpose of this utility model, which is that, provides a kind of security protection door and security system, The security protection door and security system make the power for only using very little, so that it may door be pushed open or be shut, and sealing effect is good.

Technical solution is: a kind of security protection door and security system, including door main body, doorframe and movable sill, and movable sill setting exists Below door main body, the security protection door and security system further include easily pushing away component and sealing reinforced device, and door main body is by easily pushing away component It is mounted on doorframe, pushes away component easily as two and easily push away unit, it is that the first easy unit and second that pushes away easily pushes away list that this two, which easily push away units, Member, first, which easily pushes away unit, includes the fixed device of the first torque tube, the first torsion device and first, and second, which easily pushes away unit, includes second The fixed device of torque tube, the second torsion device and second, the first torsion device and the second torsion device structure are identical, symmetrically set It sets；First torque tube intersects with the second torque tube, and the second torque tube is pressed on the first torque tube；First fixed device and second Fixed device easily pushes away unit and second positioned at first and easily pushes away between unit, and the second fixed device closes on first and easily pushes away unit；First Torsion device is connected on door main body and doorframe, and the second torsion device is connected on door main body and doorframe；The sealing Stiffening device includes being connected on door main body including fixation member, slide unit and locking receiving member, fixation member, and locking accommodates Part be mounted on doorframe or or wall on；Fixation member and slide unit form two channels, which is first passage and second Channel, slide unit slide between first passage and second channel

Preferably, the two ends of first torque tube are respectively the first torque tube front end and the first torque rod rear end Head, the two ends of the second torque tube are respectively the second torque tube front end and the second torque tube follower head, the first torque tube front end Head rotation is connected on the first torsion device, and the first torque tube follower head is fixedly connected on the first fixed device, the second torque The rotation of rod rear end head is connected on the second torsion device, and the second torque tube front end is fixedly connected on the second torsion device.

Preferably, the cross section of the described first fixed device is U-shaped winged, the cross section of the second fixed device is band The U-shaped of the wing, the first torque tube follower head and the first torque tube body normal, the second torque tube front end and the second torque tube hang down Directly.The U-shaped of first fixed device is matched with the first torque tube follower head, before the U-shaped and the second torque tube of the second fixed device End matches.

Preferably, first torsion device include first axle a, first axle b, the first bolt, the first nut and First bearing component, first axle a are formed by two parallel-plates spaced apart, which is respectively the first plate a and the first plate b, First axle a and first axle b is in the hinge joint articulated connection formed by the first bolt and the first nut；Second torsion device Including second hinge a, second hinge b, the second bolt, the second nut and second bearing component, second hinge a is spaced apart by two Parallel-plate formed, which is respectively the second plate a and the second plate b, second hinge a and second hinge b by the second bolt and It is articulated and connected at the hinge joint that second nut is formed.First plate a, the first plate b, the second plate a and the second plate b are welded on doorframe, One end of first axle b and second hinge b is welded on door main body, and the other end of first axle b is matched with the first bolt, in Between section matched with first bearing component；The other end of second hinge b is matched with the second bolt, interlude and second bearing structure Part matches.

Preferably, the multistage circular ring shape and two ends of each free bent intermediate of the first axle b and second hinge b are straight Linear composition, the external of the multistage circular ring shape of bent intermediate form the cam gear with cam face.

Preferably, the first torque tube front end bends to " u "-shaped, " u "-shaped one end and the first torque tube main body connect Connect, the other end passes through the first hole a and the first hole b of spaced apart the first plate a and the first plate b, thus formed the first torque tube around Its pivotal point rotated；Second torque tube follower head bends to " u "-shaped, and " u "-shaped one end is connect with the second torque tube main body, another The the second hole a and the second hole b across the second plate a and the second plate b spaced apart are held, to form what the second torque tube rotated about Pivotal point.

Preferably, the first bearing component includes the first main part and the first supporting surface parts, the first bearing The external of surface portion forms the first supporting surface；Second bearing component includes the second main part and the second supporting surface portion Point, the external of the second supporting surface parts forms the second supporting surface.

Preferably, the fixation member includes door connector, the first web and fixed link, door connector is by the first connection Plate, the second connecting plate and third connecting plate composition, the second one end of the connection board is vertical with third connecting plate to be connect, the other end and first Connecting plate vertically connects, the first connecting plate, the second connecting plate and third connecting plate respectively with before door main body, below and side It fits；First web is protruded outward from the edge of third connecting plate, and is extended internally and vertical elongated along the edge, fixed Bar is connect with the end of the first web or one, so that the first web is spaced apart with third connecting plate, and also connects along third The whole length of plate extends；First web, third connecting plate form the first passage between fixed link；Slide unit includes Sliding part, the second web, inserted link and fastener, sliding part cover outside fixed link, and first through hole is provided on sliding part, and first is logical For receiving fastener, the second web is protruded outward from the rear side surface of sliding part in hole, and is extended along the length of sliding part, inserted link It is connected to the second web and the parallel relation positioning to be spaced apart with sliding part；Inserted link is provided with keyed end, and keyed end is outside It protrudes and more than the end edge of the second web and sliding part；Locking receiving member includes locking receiving member main body, and locking accommodates The second through-hole is provided in part main body；Second web, inserted link form the second channel between sliding part.

Preferably, the thickness of first web is greater than the thickness of door connector, the second web thickness and the first web Thickness is identical.

The two of the purpose of this utility model, which are that, provides a kind of security system.

Technical solution is: a kind of security system, including safe space, security protection door and security system, air-lock space, NBC mistake Filter, exhaust valve and excess pressure valve, NBC filter are mounted in safe space, and excess pressure valve is mounted on beside the import in air-lock space, Exhaust valve is mounted on beside the outlet in air-lock space, and the security protection door and security system are above-mentioned security protection door and security system.

Compared with prior art, the utility model has the beneficial effects that:

On the one hand the utility model passes through two settings for easily pushing away unit, especially by each double-strand chain for easily pushing away unit Setting and Curved hinge and bearing components cooperation so that only use very little power, so that it may door is pushed open or is shut. On the other hand, by the setting of sealing reinforced device, above door main body to the combination of door main body and wall carried out reinforce and Sealing, therefore sealing effect is good, it is unusually strong firm.

Detailed description of the invention

It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also To obtain other relevant attached drawings according to these attached drawings.

Fig. 1 is the overall structure diagram of the utility model security protection door；

Fig. 2 is that the utility model easily pushes away module position schematic diagram；

Fig. 3 is Fig. 2A-A to schematic diagram；

Fig. 4 is Fig. 3 along section B-B schematic diagram；

Fig. 5 is bearing components perspective view；

Fig. 6 the utility model sealing reinforced device connect permeable diagram with door main body and is intended to；

Fig. 7 is Fig. 6 horizontal direction cross-sectional view schematic diagram；

Fig. 8 is the utility model safe space overall structure diagram.

It is shown in solid in fully open position state, dotted line is fully closed position state in Fig. 3.

Specific embodiment

It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here in attached drawing description and The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.

Therefore, requirement is not intended to limit to the detailed description of the embodiments of the present invention provided in the accompanying drawings below The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all Belong to the range of the utility model protection.

It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.

It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, or The utility model product using when the orientation or positional relationship usually put, be merely for convenience of description the utility model and letter Change description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation construct and Operation, therefore should not be understood as limiting the present invention.In addition, term " first ", " second ", " third " etc. are only used for area Divide description, is not understood to indicate or imply relative importance.

In addition, the terms such as term "horizontal", "vertical", " pendency " are not offered as requiring component abswolute level or pendency, and It is that can be slightly tilted.It is not to indicate the structure if "horizontal" only refers to that its direction is more horizontal with respect to for "vertical" It has to fully horizontally, but can be slightly tilted.

In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set Set ", " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, Or it is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, intermediary can also be passed through It is indirectly connected, can be the connection inside two elements.For the ordinary skill in the art, it can be managed with concrete condition Solve the concrete meaning of above-mentioned term in the present invention.

In addition, the utility model does not write out the structure being specifically related to especially such as, connects it is noted that in the utility model Connect relationship, positional relationship, power resources relationship etc., then the utility model relates to structure, connection relationship, positional relationship, power Source relationship etc. be those skilled in the art on the basis of existing technology, can be learnt without creative work 's.

As shown in figures 1-8, a kind of security protection door and security system, including door main body 3, doorframe 2 and movable sill 4, door main body 3 are logical It crosses and easily pushes away component 5 and be mounted on doorframe 2, movable sill 4 is arranged below door main body 3, and doorframe 2 is mounted in wall 1, movable sill 4 It is arranged in wall.When encountering burst accident or war needs to close closed guard gate, movable sill 4 rise after with 3 bottom of door main body It is in contact.The armored concrete movable sill airtight blast door is additionally provided with sealing reinforced device 6, the sealing reinforced device 6 one Part is arranged on door main body 3, and another part is arranged on doorframe 2 or wall 1.

It easily pushes away component 5 and easily pushes away unit for two, it is that the first easy unit 51 and second that pushes away easily pushes away unit that this two, which easily push away units, 52, first, which easily pushes away unit 51, includes the first torque tube 53, the first torsion device 54 and the first fixed device 55, and second easily pushes away unit 52 include the second torque tube 56, the second torsion device 57 and the second fixed device 58, the first torsion device 54 and the second torsion dress It is identical to set 57 structures, is symmetrical arranged；First torque tube 53 intersects with the second torque tube 56, and the second torque tube 56 is pressed in the first torsion On square bar 53；First fixed device 55 and the second fixed device 58 be located at first easily push away unit 51 with second it is easy push away unit 52 it Between, the second fixed device 58 closes on first and easily pushes away unit 51；First torsion device 54 is connected on door main body 3 and doorframe 2, Second torsion device 57 is connected on door main body 3 and doorframe 2.

Sealing reinforced device 6 includes fixation member 61, slide unit 62 and locking receiving member 63, and locking receiving member 63 is installed On doorframe 2 or wall 1.

Fixation member 61 includes door connector 611, the first web 612 and fixed link 613, and fixed link 613 is elongate cylinder Shape.Door connector 611 is made of the first connecting plate 6111, the second connecting plate 6112 and third connecting plate 6113, the second connecting plate 6112 one end are vertical with third connecting plate 6113 to be connect, and the other end is vertical with the first connecting plate 6111 to be connect, the first connecting plate 6111, the second connecting plate 6112 and third connecting plate 6113 fit with before door main body 3, below with side respectively, from door The side of main body 3 is closely caught by door main body 3.

First web 612 is protruded outward from the edge of third connecting plate 6113, and is extended internally simultaneously vertically along the edge Elongation, the effect of the first web 612 are for resisting bending, and the thickness of the first web 612 is greater than the thickness of door connector 611. Fixed link 613 is connect with the end of the first web 612 or one, so that the first web 612 is spaced apart with third connecting plate 6113, And also extend along the whole length of third connecting plate 6113.First web 612, third connecting plate 6113, between fixed link 613 Form first passage.

Slide unit 62 includes sliding part 621, the second web 623, inserted link 622 and fastener 624, the second web 623 Effect is also for resisting bending, and 623 thickness of the second web is identical as 612 thickness of the first web, and 621 sets of sliding part in fixed link Outside 613, be provided with first through hole 625 on sliding part 621, first through hole 625 for receiving fastener 624, the second web 623 from The rear side surface of sliding part 621 protrudes outward, and extends along the length of sliding part 621, and inserted link 622 is connected to the second web 623 And with the parallel relation positioning being spaced apart with sliding part 621.Inserted link 622 is provided with keyed end 6221, and keyed end 6221 is outside It protrudes and more than the end edge of the second web 623 and sliding part 621.Second web 623, inserted link 622, sliding part 621 it Between form second channel.

By the setting of the first web 612, the second web 623, first passage and second channel, so that

Locking receiving member 63 includes locking receiving member main body 632, locks and is provided with the second through-hole 631 in receiving member main body 632, It is sized and shaped for the end for receiving locking bar 6221, and locking receiving member 63 is strongly attached on doorframe 2 or wall 1. Second through-hole, 631 depth should be deep enough, guarantees that normal vibration and displacement cannot will receive locking bar 6221 and move from the second through-hole 631 Out.

Slide unit 62 can unclamp (by backing out fastener 624) from fixation member 61 and accommodate to corresponding locking Keyed end 6221 is located in the second through-hole 631 by part 63 (upward).Once be in the position, can with tightening fastener parts 624 with Slide unit 62 is secured in position.Once slide unit 62 is releasably locked in the second through-hole 631, to be tightened in structure It is close to be fixed on wall or doorframe, the leakproofness of whole system is strengthened, meanwhile, keyed end 6221 is not extracted, door cannot be strong Row is opened.

It further illustrates, in one embodiment of the utility model, the two ends of the first torque tube 53 are respectively the One torque tube front end 59 and the first torque tube follower head 70, the two ends of the second torque tube 56 are respectively the second torque tube front end First 71 and the second torque tube follower head 72, the rotation of the first torque tube front end 59 is connected on the first torsion device 54, first turns round Square rod rear end head 70 is fixedly connected on the first fixed device 55, and the rotation of the second torque tube follower head 72 is connected to the second torsion dress It sets on 57, the second torque tube front end 71 is fixedly connected on the second torsion device 57.

It further illustrates, in one embodiment of the utility model, the cross section of the first fixed device 55 is winged U-shaped, the cross section of the second fixed device 58 is U-shaped winged, and the first torque tube follower head 70 and the first torque tube main body are vertical Directly, the second torque tube front end 71 is vertical with the second torque tube.The U-shaped and the first torque tube follower head 70 of first fixed device 55 It matches, the U-shaped of the second fixed device 58 is matched with the second torque tube front end 71.It is turned round by the first torque tube 53 and second Square bar 56 intersects and the mode fixed with opposite direction, prevents the second torque tube front end 71 or the first torque tube follower head 70 from existing It falls off from the first fixed device 55 or the second fixed device 58 during the normal use of door.Since the second torque tube 56 is intersecting The main body that the first torque tube 53 is crossed at point, applies downward power for the second torque tube front end 71 and is firmly held in second In fixed device 58.On the contrary, the first torque tube follower head 70 of the first torque tube 53 is bent upwards, and by being applied to intersection The upward reaction force of the first torque tube 53 at point is held it in its first fixed device 55.

Further illustrate, in one embodiment of the utility model, the first torsion device 54 include first axle a, First axle b, the first bolt, the first nut and first bearing component, first axle a are formed by two parallel-plates spaced apart, Two plate is respectively the first plate a and the first plate b, and first axle a and first axle b are being formed by the first bolt and the first nut It is articulated and connected at hinge joint；Second torsion device 57 includes second hinge a, second hinge b 75, the second bolt 76, the second nut 77 and second bearing component 80, second hinge a formed by two parallel-plates spaced apart, which is respectively 73 He of the second plate a Second plate b 74, second hinge a and second hinge b 75 are in the hinge joint hinge formed by the second bolt 76 and the second nut 77 It connects in succession.First plate a, the first plate b, the second plate a 73 and the second plate b 74 are welded on doorframe 2, the hinge of first axle b and second One end of chain b 75 is welded on door main body 3, and the other end of first axle b is matched with the first bolt, interlude and first axle Bearing member matches；The other end of second hinge b 75 is matched with the second bolt 76, interlude and 80 phase of second bearing component Cooperation.

It further illustrates, in one embodiment of the utility model, first axle b and each freedom of second hinge b 75 The multistage circular ring shape and two ends linear of bent intermediate form, and external formed of the multistage circular ring shape of bent intermediate has cam The cam gear on surface 90.

It further illustrates, in one embodiment of the utility model, the first torque tube front end 59 bends to " U " Shape, " u "-shaped one end are connect with the first torque tube main body, and the other end passes through the first hole a of the first plate a and the first plate b spaced apart With the first hole b, to form the pivotal point that rotates about of the first torque tube 51；Second torque tube follower head 72 bends to " u "-shaped, " u "-shaped one end is connect with the second torque tube main body, and the other end passes through the second of the second plate a 73 and the second plate b 74 spaced apart Hole a 78 and the second hole b 79, to form the pivotal point that the second torque tube 52 rotates about.Entire " u "-shaped, including " u "-shaped Bottom, forms lever arm assembly, and one end is rotated around pivotal point.

It further illustrates, in one embodiment of the utility model, first bearing component includes the first main part With the first supporting surface parts, the external of the first supporting surface parts forms the first supporting surface；Second bearing component 80 includes Second main part 81 and the second supporting surface parts 82, the external of the second supporting surface parts 82 form the second supporting surface 83." u "-shaped bending prevent first bearing component or second bearing component 80 from sliding in one direction, and first axle a or Second hinge a prevents it from moving in the other directions.First supporting surface or the second supporting surface 83 are maintained at lever arm Between torque tube and cam face at one end, and further prevent the position of first bearing component or second bearing component 80 84 lift from torque tube.

It further illustrates, in one embodiment of the utility model, the first plate a, the first plate b, the second plate a 73, the Two plate b 74 use steel plate, and first axle b, second hinge b are formed from steel.

It further illustrates, in one embodiment of the utility model, sealing reinforced device 6 is formed by stainless steel.

It further illustrates, in one embodiment of the utility model, snap ring 615 is provided in fixed link 613, when close Envelope stiffening device 6 does not need in use, snap ring 615 blocks the sliding part 621 of slide unit 62, so as not to sliding part 621 due to Gravity drops out.

It further illustrates, in one embodiment of the utility model, is provided with Decorative screw on the second connecting plate 6112 Fixation member 61 is mounted on door main body by mounting hole 6114, Decorative screw by the hole.

It further illustrates, in one embodiment of the utility model, fastener 624 uses thumb screw.

It further illustrates, in one embodiment of the utility model, to enhance leakproofness, doorframe 2 is closing on second Connecting plate 6112 is correspondingly provided with the groove (being not drawn into figure) matched with the second connecting plate 6112 on one side.

It further illustrates, in one embodiment of the utility model, security protection door and security system are mounted on a peace System-wide import, the security system include safe space 92, security protection door and security system 94, air-lock space 95, NBC filter 91, exhaust valve 93 and excess pressure valve 96, NBC filter 91 are mounted in safe space 92, and security protection door and security system 94 have two fans, It is separately positioned on import and the exit in air-lock space 95, excess pressure valve 96 is mounted on beside the import in air-lock space 95, exhaust valve 93 are mounted on beside the outlet in air-lock space 95.When encountering burst accident or war needs to close the closed guard gate, on movable sill It rising, it is only necessary to the power of very little can push door open, and door can rest on and want to stop the position just stopped, and good seal performance, It ensure that the safety of people's property.

In the utility model, by taking the operation of the second torsion device 57 as an example, the second torque tube 56 is in its non-twisted configuration, So that the second supporting surface 83 is lightly maintained on cam face 90 by it at contact point 85.When door main body 3 is towards closing When position is mobile, second hinge b 75 rotates around hinge joint and forces cam face 90 against the second supporting surface 83.When this When generation, the beginning of initial contact point 85 is moved along cam face 90, and the second torque tube 56 and lever arm start to revolve around turning point Turn, until door main body 3 reaches fully closed position shown in dotted line and moves on to terminal contact point 86 from initial contact point 85.

Present specification describes the example of the embodiments of the present invention, it is not meant to that these embodiments illustrate and describe All possible forms of the utility model.It should be understood that the embodiment in specification can be implemented with a variety of alternative forms.Attached drawing without It needs drawn to scale；Some features can be zoomed in or out to show the details of particular elements.Disclosed specific structure and function are thin Section is not taken by way of limitation explanation, and those skilled in the art is only instructed to implement the representative base of the utility model in a variety of forms Plinth.It will be understood to one skilled in the art that can be with one or more with reference to multiple features that either figure illustrates and describes The feature combination illustrated in other attached drawings is to form the embodiment for not yet explicitly illustrating or describing.The assemblage characteristic offer of explanation is used for The representative embodiment of typical case.However, can root with the multiple combinations of the consistent feature of introduction of the utility model and modification According to needing for specific application or implementation.

The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.

Finally, in the utility model, term, connection relationship or positional relationship if not otherwise specified etc. are this The prior art known to those skilled in the art.

Claims

1. a kind of security protection door, including door main body, doorframe and movable sill, movable sill is arranged below door main body, it is characterised in that: should Security protection door and security system further include easily pushing away component and sealing reinforced device, and door main body is mounted on doorframe by easily pushing away component, It easily pushes away component and is two and easily push away unit, it is first easily to push away unit and second and easily push away unit that this two, which easily push away units, and first easy pushes away list Member includes the first torque tube, the first torsion device and the first fixed device, and second easily pushes away unit turns round including the second torque tube, second Rotary device and the second fixed device, the first torsion device and the second torsion device structure are identical, are symmetrical arranged；First torque tube with Second torque tube intersects, and the second torque tube is pressed on the first torque tube；First fixed device and the second fixed device are located at the One, which easily pushes away unit and second, easily pushes away between unit, and the second fixed device closes on first and easily pushes away unit；First torsion device connects respectively It connects on door main body and doorframe, the second torsion device is connected on door main body and doorframe；The sealing reinforced device includes solid Determine component, slide unit and locking receiving member, fixation member to be connected on door main body, locking receiving member is mounted on doorframe or or wall On body；Fixation member and slide unit form two channels, which is first passage and second channel, and slide unit is first It is slided between channel and second channel.

2. security protection door according to claim 1, it is characterised in that: the two ends of first torque tube are respectively the first torsion Square bar front end and the first torque tube follower head, the two ends of the second torque tube are respectively that the second torque tube front end and second are turned round Square rod rear end head, the rotation of the first torque tube front end are connected on the first torsion device, and the first torque tube follower head is fixedly connected On the first fixed device, the rotation of the second torque tube follower head is connected on the second torsion device, and the second torque tube front end is solid Surely it is connected on the second torsion device.

3. security protection door according to claim 2, it is characterised in that: the cross section of the described first fixed device is U winged Shape, the cross section of the second fixed device are U-shaped winged, the first torque tube follower head and the first torque tube body normal, second Torque tube front end is vertical with the second torque tube；The U-shaped of first fixed device is matched with the first torque tube follower head, and second is solid The U-shaped for determining device is matched with the second torque tube front end.

4. security protection door according to claim 3, it is characterised in that: first torsion device includes first axle a, first Hinge b, the first bolt, the first nut and first bearing component, first axle a are formed by two parallel-plates spaced apart, this two Plate is respectively the first plate a and the first plate b, first axle a and first axle b formed by the first bolt and the first nut it is hinged It is articulated and connected at point；Second torsion device includes second hinge a, second hinge b, the second bolt, the second nut and second bearing Component, second hinge a are formed by two parallel-plates spaced apart, which is respectively the second plate a and the second plate b, second hinge a With second hinge b in the hinge joint articulated connection formed by the second bolt and the second nut；First plate a, the first plate b, second Plate a and the second plate b are welded on doorframe, and one end of first axle b and second hinge b are welded on door main body, first axle b's The other end is matched with the first bolt, and interlude is matched with first bearing component；The other end of second hinge b and the second bolt It matches, interlude is matched with second bearing component.

5. security protection door according to claim 4, it is characterised in that: the first axle b and second hinge b is each freely intermediate External formed of curved multistage circular ring shape and two ends linear composition, the multistage circular ring shape of bent intermediate has cam face Cam gear.

6. security protection door according to claim 5, it is characterised in that: the first torque tube front end bends to " u "-shaped, " u "-shaped one end is connect with the first torque tube main body, and the other end passes through the first hole a and the of spaced apart the first plate a and the first plate b One hole b, to form the pivotal point that the first torque tube rotates about；Second torque tube follower head bends to " u "-shaped, " u "-shaped one End is connect with the second torque tube main body, and the other end passes through the second hole a and the second hole b of the second plate a and the second plate b spaced apart, To form the pivotal point that the second torque tube rotates about.

7. security protection door according to claim 6, it is characterised in that: the first bearing component include the first main part and First supporting surface parts, the external of the first supporting surface parts form the first supporting surface；Second bearing component includes second Main part and the second supporting surface parts, the external of the second supporting surface parts form the second supporting surface.

8. -7 any security protection door according to claim 1, it is characterised in that: the fixation member includes door connector, the One web and fixed link, door connector are made of the first connecting plate, the second connecting plate and third connecting plate, the second one end of the connection board Vertical with third connecting plate to connect, the other end is vertical with the first connecting plate to be connect, and the first connecting plate, the second connecting plate and third connect Fishplate bar fits with before door main body, below with side respectively；First web is protruded outward from the edge of third connecting plate, and Extend internally and vertical elongated along the edge, fixed link connect or integrated with the end of the first web so that the first web and Third connecting plate is spaced apart, and is also extended along the whole length of third connecting plate；First web, third connecting plate, fixed link Between form the first passage；Slide unit includes that sliding part, the second web, inserted link and fastener, sliding part are covered in fixation Outside bar, first through hole is provided on sliding part, first through hole is for receiving fastener, rear side surface of second web from sliding part It protrudes outward, and extends along the length of sliding part, inserted link is connected to the second web and the parallel pass to be spaced apart with sliding part System's positioning；Inserted link is provided with keyed end, and keyed end protrudes outward and more than the end edge of the second web and sliding part；Locking Receiving member includes locking receiving member main body, locks and is provided with the second through-hole in receiving member main body；Second web, inserted link, sliding part it Between form the second channel.

9. security protection door according to claim 8, it is characterised in that: the thickness of first web is greater than the thickness of door connector Degree, the second web thickness are identical as the first web thickness.

10. a kind of security system, including safe space, security protection door and security system, air-lock space, NBC filter, exhaust valve and Excess pressure valve, NBC filter are mounted in safe space, and excess pressure valve is mounted on beside the import in air-lock space, and exhaust valve is mounted on Beside the outlet in air-lock space, it is characterised in that: the security protection door and security system are any security protection door of 1-7 and safety system System.