CN106246019B - Multi-point fastening formula locking system and the explosion proof door for having used the Multi-point fastening formula locking system - Google Patents

Abstract

A kind of Multi-point fastening formula locking system and the explosion proof door for having used the Multi-point fastening formula locking system, at multiple positions of the side of the rotating side of door, the locking component (2) being made of rigid body is set, the carrier (5) being made of rigid body is correspondingly set in framework side, locking bar (3) are driven using the operation of lever (4), rotate the hook plate (22) of each locking component (2), to which the hook portion (222) of hook plate (22) is inserted into the hook holding section (52) of each carrier (5), make the face that is locked and fastened (R1) of hook portion (222) be engaged face (R2) with the locking of hook holding section (52) to engage in the height and position docking roughly the same with work fulcrum (225) of hook plate (22).

Description

Multi-point fastening formula locking system and the anti-of the Multi-point fastening formula locking system is used Quick-fried door

Technical field

The present invention relates to a kind of Multi-point fastening formula locking system and the explosion-proof of the Multi-point fastening formula locking system is used Door, the Multi-point fastening formula locking system due to be used in the rising of the pressure inside framework such as explosion proof door with biggish pressure contact Door and wish to be securely held in the door of framework.

Background technique

In general, when the framework inner cut-out high voltage (short circuit) in high-tension distribution box etc., high-tension distribution box etc. The aggregation of electric energy moment, releases electric arc, and the electric arc released is in the state as explosion, becomes high pressure, door in framework Sometimes it bursts.The door of this framework uses blast resistance construction, rises come internal pressure when above-mentioned short circuiting arc being guarded against to generate.If Method be damaged door will not because of internal explosion, influence setting for periphery by hinge and the method for sticking department etc. of reinforcing explosion proof door Standby and periphery people.

Such as this explosion proof door is illustrated in Japan Patent JP-3034496-U etc..The explosion proof door of the document is by hinge The connection of one side of component and framework utilizes above-mentioned hinge structure in the other side of framework configured with locking devices such as locking accessories Part and locking device fasten door and framework in a manner of being in close contact, and blast when short circuiting arc generates will not make in framework The impaired object in portion disperses to outside framework.

Hinge member and another party but in the fastening structure of the doors such as previous explosion proof door, using the side of a side The locking accessory of side etc. make door in conjunction with framework, it is only that few a part of the complete cycle of door is fixed, therefore, when because in framework Inside generates short circuiting arc etc. and increase the pressure inside framework, and in the case that a few tons of pressure is applied to door, utilization is locking The locking devices such as accessory cannot bear the internal pressure completely, there are problems that not being able to maintain.

Summary of the invention

The invention solves above-mentioned this conventional problems, and it is an object of the present invention to provide a kind of Multi-point fastening formula locking system and The explosion proof door of the Multi-point fastening formula locking system is used, above-mentioned Multi-point fastening formula locking system utilizes locking in multiple locked points Engaging of the component with carrier comes the side of the rotating side of fixed door, in particular, can make locking component and the undertaking of each locked point The engaging in portion is resisted enough along the power acted on from the direction that the interior of framework releases door, such as even if when in framework Inside in the case that a few tons of pressure is applied to door, can also be tieed up because the generation etc. of short circuiting arc rises the pressure inside framework The engaging for holding each component of each locked point, reliably keeps door.

In order to achieve the above object, idea of the invention is that a kind of Multi-point fastening formula locking system is provided, in the back of door Face is configured with locking component in multiple installation positions along the side of rotating side, passes through the operation with the positive lever for being mounted on door The side advance and retreat at the back side of the locking bar that connect with above-mentioned each locking component of driving along door in linkage, come make above-mentioned each locking component and The carrier of framework side engages or is detached from above-mentioned carrier, and above-mentioned each locking component includes: mounting seat, above-mentioned mounting seat by Rigid material with higher is constituted, and the fixed installation on the above-mentioned installation position at the back side including being fixedly mounted on door Portion, and extend and have the supporting part of the perforative axis through-Penetration portion between two sides from above-mentioned fixed installation portion；And hook plate, on It states hook plate to be made of rigid material with higher, including rotating fulcrum portion, hook portion and work fulcrum, above-mentioned rotation branch Point portion is formed in the base end side of above-mentioned hook plate, and has the axis through-Penetration portion being connected to the axis through-Penetration portion of above-mentioned mounting seat, above-mentioned Hook portion is formed as side cross-sectional in shape generally L-shaped from the front end side of above-mentioned rotating fulcrum portion towards above-mentioned hook plate, and will The face towards above-mentioned rotating fulcrum portion side in the shape generally L-shaped is shaped generally as linearity as the face of being locked and fastened Flat surface, above-mentioned work fulcrum is adjacent with above-mentioned rotating fulcrum portion between above-mentioned rotating fulcrum portion and above-mentioned hook portion, and And be formed as opposite in substantially V-shaped or the slot of substantially U-shaped and the above-mentioned portion that is locked and fastened of above-mentioned hook portion across side cross-sectional, Above-mentioned work fulcrum has the axis through-Penetration portion parallel with the above-mentioned axis through-Penetration portion in above-mentioned rotating fulcrum portion, above-mentioned each mounting seat Above-mentioned fixed installation portion be fixedly mounted on door the back side above-mentioned each installation position, the back side of above-mentioned supporting part and door is at substantially It is squarely prominent towards the rear of door, axis through-Penetration portion and above-mentioned each mounting seat of the above-mentioned each hook plate in above-mentioned rotating fulcrum portion It covers in connecting shaft and is mounted on being able to rotate in above-mentioned each mounting seat between axis through-Penetration portion, and make to be provided projectingly above-mentioned Axis on locking bar passes through the axis through-Penetration portion of above-mentioned each work fulcrum and connect above-mentioned each hook plate with above-mentioned locking bar and work, Above-mentioned carrier is made of rigid material with higher, including fixed part and hook holding section, fixation portions are fixed on In framework, above-mentioned hook holding section is prolonged with top view cross section in the shape of shape or substantially U-shaped generally L-shaped from fixation portions Stretch, and using parallel with framework in the shape generally L-shaped or the shape of substantially U-shaped and towards the face of framework side as lock Surely it is engaged face and is shaped generally as linear flat surface, the fixation portions of above-mentioned each carrier is fixed in the front of framework In position corresponding with above-mentioned each locking component at the back side of door, the frontoparallel of above-mentioned hook holding section and framework is configured, and is utilized The operation of above-mentioned lever drives above-mentioned locking bar, makes the above-mentioned work fulcrum of above-mentioned each hook plate with above-mentioned turn of above-mentioned each hook plate Activity supporting point portion is that center of rotation is rotated, so that the above-mentioned hook portion of above-mentioned each hook plate to be inserted into the above-mentioned hook of above-mentioned carrier In holding section, make the above-mentioned locking of above-mentioned be locked and fastened face and the above-mentioned hook holding section of above-mentioned each hook portion be engaged face with it is above-mentioned The roughly the same height and position of the above-mentioned work fulcrum of hook plate docks engaging.

The Multi-point fastening formula locking system is further specific as so following.

(1) locking component includes the lower part side lock for configuring the installation position of the lower side in multiple installation positions of door Component, and configuration is in the upper side locking component of the installation position of upper side, the hook of the hook plate of above-mentioned lower side locking component The front end in portion is mounted on the installation position of lower side downward, and the work fulcrum shaft of the hook plate of above-mentioned lower side locking component is supported on The front end of the locking bar of lower side, the above-mentioned hook portion of the above-mentioned hook plate of above-mentioned upper side locking component is mounted on the peace of upper side upward Fill position, the work fulcrum of the above-mentioned hook plate of above-mentioned upper side locking component is pivotally supported the locking bar in upper side, door just The position being equivalent between above-mentioned lower side locking component and above-mentioned upper side locking component in face, is equipped with above-mentioned lower part side chain Determine the lever that component and above-mentioned upper side locking component share, above-mentioned lever is connect with each locking bar of above-mentioned lower side and upper side And it works.

(2) lever is mounted on to be formed in and be equivalent between lower side locking component and upper side locking component in the front of door Position construction opening on, lever include lever pedestal, handle-holding rod, first connection connecting rod, lower side working beam, second connect Connective pole, the working beam of upper side and reversing spring, above-mentioned lever pedestal has in upper side to be connected to above-mentioned construction opening Opening portion and from the two sides of the opening portion pass through back side working beam mounting portion outstanding from above-mentioned construction opening to door, on State handle-holding rod by the first fixed pivot axi of the frontoparallel with door be rotatably installed in the upper side of above-mentioned lever pedestal from And can rise and fall and be rotatably mounted on above-mentioned lever pedestal, above-mentioned handle-holding rod upper side have can across above-mentioned construction opening to The back side working arm outstanding of door, the upper end of above-mentioned first connection connecting rod is by parallel with above-mentioned first fixed pivot axi first Moveable pivot is rotatably installed in the jag of the above-mentioned working arm of above-mentioned handle-holding rod, and above-mentioned first connects connecting rod from upper end court It is configured to substantially inverted L-shaped to lower end, the upper end of the working beam of above-mentioned lower side is by parallel with above-mentioned first fixed pivot axi Second moveable pivot is rotatably installed in the lower end of above-mentioned first connection connecting rod, and the working beam of above-mentioned lower side has from upper end The work fulcrum extended downwardly and the work department positioned at the lower end of the work fulcrum, one end of above-mentioned work department by with it is upper The above-mentioned working beam mounting portion that the second parallel fixed pivot axi of the first fixed pivot axi is rotatably installed in above-mentioned lever pedestal is stated, And the other end extends towards the rear of door towards obliquely downward, and pivot is fixed by with above-mentioned first in the lower end of above-mentioned second connection connecting rod The parallel third moveable pivot of axis be rotatably installed in it is above-mentioned first connection connecting rod middle part, it is above-mentioned second connection connecting rod from Lower end is configured to substantially linear shape towards upper end, and the lower end of the working beam of above-mentioned upper side is fixed by with above-mentioned first 4th moveable pivot of pivot axis parallel is rotatably installed in the upper end of above-mentioned second connection connecting rod, the working beam of above-mentioned upper side Work department with the work fulcrum upwardly extended from lower end and positioned at the upper end of the work fulcrum, above-mentioned work department One end is rotatably installed in the above-mentioned of above-mentioned lever pedestal by the third fixed pivot axi parallel with above-mentioned first fixed pivot axi Working beam mounting portion, and the other end obliquely extends towards the rear of door, and it is solid that above-mentioned reversing spring is installed in above-mentioned first Determine between pivot and above-mentioned second fixed pivot axi, keep the above-mentioned handle-holding rod of the state erected from above-mentioned lever pedestal, and keeps It lodges in the above-mentioned handle-holding rod of the state of above-mentioned lever pedestal, the working beam of above-mentioned lower side is connect with the locking bar of above-mentioned lower side And work, the working beam of above-mentioned upper side connect with the locking bar of above-mentioned upper side and is worked, using making above-mentioned lever The rotation operation of above-mentioned handle-holding rod of the bar lodging on above-mentioned lever pedestal, makes each working beam of above-mentioned lower side and upper side be in Substantially splayed carries out opening action, drives the working beam of lower side downwards, drives up the working beam of above-mentioned upper side, above-mentioned The locking component of lower side makes above-mentioned hook plate rotate down and engage above-mentioned hook portion with the above-mentioned hook of above-mentioned carrier from top Portion engaging, the locking component of above-mentioned upper side be rotated up above-mentioned hook plate and make above-mentioned hook portion from below with above-mentioned carrier Above-mentioned hook holding section engaging, is operated using the rotation for the above-mentioned lever for erecting above-mentioned handle-holding rod on above-mentioned lever pedestal, is made Each working beam of above-mentioned lower side and upper side carries out closed action in substantially herringbone, drives up the work of lower side Bar, drives downwards the working beam of above-mentioned upper side, and the locking component of above-mentioned lower side makes above-mentioned hook plate be rotated up and make above-mentioned Hook portion is detached from the above-mentioned hook holding section of above-mentioned carrier, and the locking component of above-mentioned upper side makes above-mentioned hook plate rotate down and make State the above-mentioned hook holding section that hook portion is detached from above-mentioned carrier.

(3) lever further includes bar catcher and tapered end unit, and above-mentioned bar catcher includes hook and hook carrier, above-mentioned Hook is mounted on the positive lower side of lever pedestal in a manner of it can rotate along the vertical direction by the axis of the frontoparallel with door, and And under normal conditions, rotation urging is carried out by spring and is supported to positive substantially at right angles, the above-mentioned hook with above-mentioned lever pedestal There is claw towards front front end side outstanding, above-mentioned hook carrier is in the lower backside side of handle-holding rod towards above-mentioned lever The rear of bar is prominent, and having in the rear end of above-mentioned hook carrier rearward outstanding can engage with the above-mentioned claw of above-mentioned hook Carrier, by making the lodging of above-mentioned handle-holding rod on above-mentioned lever pedestal, make above-mentioned hook and above-mentioned hook carrier elastic engaging and Limit the rotation of above-mentioned handle-holding rod, so that above-mentioned handle-holding rod is maintained on above-mentioned lever pedestal, above-mentioned tapered end unit release by The limitation for the rotation to the above-mentioned handle-holding rod on above-mentioned lever pedestal that above-mentioned bar catcher carries out, including cylinder head and sliding Plate, above-mentioned cylinder head are mounted on above-mentioned lever pedestal in such a way that the adjacent and keyhole with above-mentioned bar catcher is towards front, Above-mentioned sliding panel is configured in a manner of it can slide along the up and down direction of above-mentioned lever pedestal in the above-mentioned of the rotating cylinder with above-mentioned cylinder head The rear end portion side of keyhole opposite side, above-mentioned sliding panel connect with the rotating cylinder of above-mentioned cylinder head by sliding guide and carry out work Make, using above-mentioned cylinder head key operate, so that above-mentioned rotating cylinder is gone to latched position, thus drive above-mentioned sliding panel slide into not with The position of the above-mentioned hook engaging of above-mentioned bar catcher, keeps the engaging of above-mentioned hook with above-mentioned hook carrier, by making above-mentioned rotating cylinder Go to latch-release position, above-mentioned sliding panel driven to slide into the position engaged with the above-mentioned hook of above-mentioned bar catcher, overcome on It pushes above-mentioned hook rotation with stating the force of spring, releases the engaging of above-mentioned hook with above-mentioned hook carrier.

In addition, idea of the invention is that, explosion proof door is connected to frame with being able to rotate by hinge member with the side of a side The side of one side of body, the side of another party are anchored on the form of framework by locking device, what resistance generated inside framework Biggish pressure, above-mentioned explosion proof door have used above-mentioned Multi-point fastening formula locking system in above-mentioned locking device.

(1) Multi-point fastening formula locking system of the invention is used, the unique effect of the present invention as follows can be obtained, That is, rigid locking component with higher is arranged at multiple positions of the side of the rotating side of door, with this using above structure It is corresponding that in framework side, rigid carrier with higher is set, locking bar is driven using the operation of lever, makes each locking component The work fulcrum of hook plate is rotated using the rotating fulcrum portion of hook plate as center of rotation, so that the hook portion of hook plate is inserted into frame In the hook holding section of each carrier on side, make the locking of be locked and fastened face and the hook holding section of hook portion be engaged face with hook plate The roughly the same height and position of work fulcrum dock engaging, therefore, locking component and carrier can be utilized at multiple positions Engaging come fixed door rotating side side, in particular, using the locking component at each position and the high rigidity of carrier and The engaging form of the two, can be realized can sufficiently resist what edge was acted on from the direction that the interior of framework releases door The pressure-resistance structure of power, such as even if, because the generation etc. of short circuiting arc rises the pressure inside framework, counted when in the inside of framework In the case that the pressure of ton is applied to door, the engaging of each component of each locked point can be also maintained, door is reliably kept.

(2) explosion proof door of the invention is used, the unique effect of the present invention as follows can be obtained, that is, by using Above-mentioned Multi-point fastening formula locking system, can at multiple positions using the engaging of locking component and carrier come the rotating side of fixed door Side, in particular, using the engaging form of the locking component at each position and the high rigidity of carrier and the two, Neng Goushi The pressure-resistance structure along the power acted on from the direction that the interior of framework releases door now can be sufficiently resisted, such as even if is worked as In the inside of framework because the generation etc. of short circuiting arc rises the pressure inside framework, the case where a few tons of pressure is applied to Under, the engaging of each component of each locked point can be also maintained, door is reliably kept.

Detailed description of the invention

Fig. 1 (a) is to indicate the Multi-point fastening formula locking system of an embodiment of the present invention and used the Multi-point fastening The main view of the explosion proof door of formula locking system, Fig. 1 (b) are the sectional views of the Multi-point fastening formula locking system and explosion proof door.

Fig. 2 (a) is to indicate to apply above-mentioned Multi-point fastening formula locking system and above-mentioned Multi-point fastening formula has been used to lock The main view of the framework of the explosion proof door of system, Fig. 2 (b) are the side views of the framework.

Fig. 3 (a) is the rearview for indicating the door main body of above-mentioned explosion proof door, and Fig. 3 (b) is the sectional view of above-mentioned explosion proof door.

Fig. 4 (a) is the main view for indicating hinge member of the door main body by above-mentioned explosion proof door in conjunction with framework, and Fig. 4 (b) is The top view of the hinge member.

Fig. 5 is the figure for indicating the state after the door main body of above-mentioned explosion proof door and framework are combined by hinge member, Fig. 5 (a) It is the cross-sectional view of bowing for indicating the closed state of door main body, Fig. 5 (b) is the cross-sectional view of bowing for indicating the opening state of door main body.

Fig. 6 is to indicate that side view is omitted in the part of above-mentioned Multi-point fastening formula locking system.

Fig. 7 (a) is the main view for indicating locking component and carrier in above-mentioned Multi-point fastening formula locking system, Fig. 7 (b) is the side view of the locking component and carrier, and Fig. 7 (c) is the top view of the locking component and carrier.

Fig. 8 (a) is the especially mounting seat for the locking component for indicating to be used in above-mentioned Multi-point fastening formula locking system Top view, Fig. 8 (b) are the main views of the mounting seat, and Fig. 8 (c) is the side view of the mounting seat.

Fig. 9 is the side view of the especially hook plate for the locking component for indicating to be used in above-mentioned Multi-point fastening formula locking system.

Figure 10 be indicate be used in above-mentioned Multi-point fastening formula locking system in locking component especially mounting seat and The perspective view of the installation condition of hook plate.

Figure 11 (a) is the top view for indicating the carrier being used in above-mentioned Multi-point fastening formula locking system, and Figure 11 (b) is this The side view of carrier, Figure 11 (c) are the main views of the carrier.

Figure 12 (a) is the top view for indicating the lever being used in above-mentioned Multi-point fastening formula locking system, and Figure 12 (b) is that this is held The sectional view of handle.

Figure 13 is the rearview for indicating the lever being used in above-mentioned Multi-point fastening formula locking system.

Figure 14 is the figure for indicating the action example of above-mentioned Multi-point fastening formula locking system, and Figure 14 (a) indicates locking component The top view of state after hook plate and carrier engaging, Figure 14 (b) are after indicating that the hook plate of locking component and carrier engage The side view of state, Figure 14 (c) are the side view that engages state release after of the hook plate with carrier for indicating locking component.

(symbol description)

B ... framework；F1 ... upper frame；The left side f2 ... frame；The right side f3 ... frame；F4 ... lower frame；f5… Upper extension frame；F6 ... Zuo Yanshen frame；The right extension frame of f7 ...；F8 ... is lower to extend frame；D ... explosion proof door；D ... door main body； P1 ... front plate；P2 ... top panel；P3 ... Left-Hand Panel；P4 ... right panel；P5 ... lower panel；1 ... hinge member；11 ... peaces Fill pedestal；111 ... mounting portions；113 ... carriers；12 ... hinge bodies；121 ... mounting portions；122 ... middle parts；123 ... bearings Portion；124 ... joint pin through-Penetration portion；13 ... joint pins；14 ... split pins；S ... Multi-point fastening formula locking system；2 ... locking components； D2 ... lower side locking component；U2 ... upper side locking component；21 ... mounting seats；211 ... fixed installation portions；212 ... axis pass through Wear portion；213 ... supporting parts；22 ... hook plates；220 ... axis through-Penetration portion；221 ... rotating fulcrum portions；R1 ... is locked and fastened face；222… Hook portion；223 ... slots；224 ... axis through-Penetration portion；225 ... work fulcrums；23 ... connecting shafts；3 ... locking bars；The lock of D3 ... lower side Bar；The locking bar of U3 ... upper side；31 ... axis；4 ... levers；41 ... lever pedestals；410 ... opening portions；The installation of 411 ... working beams Portion；42 ... handle-holding rods；420 ... openings；421 ... working arms；431 ... first fixed pivot axis；432 ... second fixed pivot axis；433… Third fixed pivot axi；441 ... first moveable pivots；442 ... second moveable pivots；443 ... third moveable pivots；444 ... the 4th Moveable pivot；451 ... first connection connecting rods；452 ... second connection connecting rods；The working beam of 46 ... lower sides；461 ... work fulcrums Portion；462 ... work departments；The working beam of 47 ... upper sides；471 ... work fulcrums；472 ... work departments；48 ... reversing spring； 5 ... carriers；51 ... fixed parts；R2 ... locks engaged face；52 ... hook holding sections；6 ... bar catchers；61 ... hooks；611… Axis；612 ... springs；613 ... claws；62 ... hook carriers；621 ... carriers；7 ... tapered end units；70 ... mounting portions；71 ... cylinders Head；710 ... rotating cylinders；72 ... sliding panels；73 ... sliding guides；731 ... guide humps；732 ... guide holes；B1 ... installs spiral shell Bolt；B2 ... installs bolt；B3 ... installs bolt

Specific embodiment

Next, using Detailed description of the invention one embodiment of the present invention.

Multi-point fastening formula locking system is illustrated in Fig. 1 and has used the explosion-proof of the Multi-point fastening formula locking system Door.

As shown in Figure 1, explosion proof door D-shaped becomes the knot for resisting the larger pressure generated in the inside of framework B in the form of following Structure, that is, the door main body d of explosion proof door D by steel plate etc. there is the material of rigidity to constitute, and the side of a side of explosion proof door D is by multiple (being in this case four) hinge member 1 is connected to the side of a side of framework B in a manner of being able to rotate, explosion proof door D's The side of the rotating side of another party is anchored on framework B using the Multi-point fastening formula locking system S for being used as locking device.

In addition, in this case, framework B is as shown in Fig. 2, overall structure is erects long box-shaped, and front is by defined width Upper frame f1, the left and right sides portion frame f2, f3 and lower frame f4 constitute, out of above-mentioned each frame f1, f2, f3, f4 The extension frame that side edge part is equipped with specific length towards front (above extends frame f5, left and right extends frame f6, f7 and downward Stretch frame f8), and opening made of extended frame f5, f6, f7, f8 are surrounded is formed in the front of framework B.

As shown in figure 3, there is the material of rigidity using steel plate etc., can cover the front of framework B and can surround positive Door main body d is formed as whole perpendicular length, the slim box-shaped of back side opening, door main body by the mode for extending frame f5, f6, f7, f8 D has front plate p1, top panel p2, Left-Hand Panel p3, right panel p4 and lower panel p5.

As shown in figure 4, each hinge member 1 by steel etc. there is the material of rigidity to be formed, by a pair of of mounting seat 11, hinge Main body 12, joint pin 13 and a pair of openings pin 14 are constituted.

In this case, a pair of of mounting seat 11 is respectively by substantially rectangular mounting portion 111 and substantially half-oval shaped Carrier 113 constitute, above-mentioned mounting portion 111 is integrally formed into longitudinal section in shape generally L-shaped, has installation bolt Through-Penetration portion, above-mentioned carrier 113 is extended vertically from one end of mounting portion 111 with mounting portion 111, and is run through with joint pin Portion.Hinge body 12 is formed as cross section in the shape of substantially U-shaped, from one end successively by having installation bolt-through portion Perpendicular length rectangle mounting portion 121, erect the middle part 122 of long rectangle and erect the supporting part 123 of long rectangle and constitute, branch The end of bearing portion 123 is wound into general cylindrical shape and becomes joint pin through-Penetration portion 124.Joint pin 13 is by the hinge than hinge body 12 Smaller and more longer than the length of joint pin through-Penetration portion 124 pin of the diameter of chain pin through-Penetration portion 124 is constituted, at upper and lower each end Portion has split pin through-Penetration portion.A pair of openings pin 14 is respectively the pin of arc sections run-resistant.

Then, the mounting portion 121 of each hinge body 12 is fixedly mounted on front one side of framework B using installation bolt b1 Side is each installation position of positive right side frame f3 in this case, is configured with hinge in the front side of mounting portion 121 Sell through-Penetration portion 124.One side of the mounting seat 11 of each pair install carrier 113 will towards downside and using installation bolt b2 Portion 111 is fixedly mounted on the side of a side of door main body d, is each installation position top of right panel p4 in this case, It is configured with carrier 113 in the front side of mounting portion 111, another party of the mounting seat 11 of each pair makes carrier 113 towards upper Side and mounting portion 111 is fixedly mounted on using installation bolt b2 door main body d a side side, be right side in this case Each installation position lower part of panel p4 is configured with carrier 113 in the front side of mounting portion 111.Then, in each hinge of the side framework B Each joint pin of the upper and lower each mounting seat 11 for being equipped with the side door main body d of each joint pin through-Penetration portion 124 of chain main body 12 passes through Portion is worn, passes through joint pin 13 in above-mentioned joint pin through-Penetration portion, the upper and lower each split pin for making split pin 14 be through joint pin 13 is passed through It wears in portion, to be assembled into each hinge member 1.Door main body d is set to be connected to framework B just with being able to rotate by the hinge member 1 Face (referring to Fig. 5).

Multi-point fastening formula locking system S is as shown in fig. 6, be formed as following form, that is, at the back side of door main body d along another The side of the rotating side of side is configured with locking component 2 in multiple installation positions, by with the positive lever that is mounted on door main body d The side at the back side of the locking bar 3 connecting with each locking component 2 along door main body d is driven to retreat, 4 operations linkage to make each locking Component 2 engages with each carrier 5 of the side framework B or is detached from each carrier 5.

Each locking component 2 is as shown in fig. 7, comprises mounting seat 21 and hook plate 22.Mounting seat 21 is as shown in figure 8, utilize The rigid material with higher such as steel is formed as rigid body, the side of back side another party including being fixedly mounted on door main body d Installation position on fixed installation portion 211 and extend from the fixed installation portion 211 and have and run through between left and right sides Axis through-Penetration portion 212 supporting part 213.In this case, mounting seat 21 is formed as cross section in shape generally L-shaped Shape, by the substantially rectangular fixed installation portion 211 with installation bolt-through portion and with the substantially triangle of axis through-Penetration portion 212 The supporting part 213 of shape is constituted.Hook plate 22 wraps as shown in figure 9, be formed as rigid body using the rigid material with higher such as steel Rotating fulcrum portion 221, hook portion 222 and work fulcrum 225 are included, above-mentioned rotating fulcrum portion 221 is formed in the cardinal extremity of hook plate 22 Side, and there is the axis through-Penetration portion 220 for running through between left and right sides and being connected to the axis through-Penetration portion 212 of mounting seat 21, it is above-mentioned Hook portion 222 is formed as side cross-sectional in shape generally L-shaped from rotating fulcrum portion 221 towards the front end side of hook plate 22, and will The face towards 221 side of rotating fulcrum portion in the shape generally L-shaped is shaped generally as linearity as the face R1 that is locked and fastened Flat surface, above-mentioned work fulcrum 225 is adjacent with rotating fulcrum portion 221 between rotating fulcrum portion 221 and hook portion 222, and And be formed as opposite in substantially V-shaped or the slot 223 of substantially U-shaped and the portion R1 that is locked and fastened of hook portion 222 across side cross-sectional, Above-mentioned work fulcrum 225 has the axis through-Penetration portion 224 parallel with the axis through-Penetration portion 220 in rotating fulcrum portion 221.In such case Under, hook plate 22 as shown in figure 9, when by hook portion 222 with become mode generally L-shaped place in the horizontal plane when, hook portion 222 The face R1 that is locked and fastened extends along vertical direction, axis of the axis through-Penetration portion 224 for the fulcrum 225 that works relative to rotation fulcrum portion 221 Through-Penetration portion 220 is located at oblique upper, with the height and position roughly the same with the face R1 that is locked and fastened of hook portion 222 and the face R1 that is locked and fastened Relative configuration.

Then, as shown in Fig. 7 and Figure 10, the fixed installation portion 211 of each mounting seat 21 is fixedly mounted on the back of door main body d The side of face another party is each installation position of the side of back side another party of front plate p1, supporting part 213 in this case With the back side of door main body d it is substantially at right angles it is prominent towards the rear of door main body d, as shown in Fig. 7 and Figure 10, each hook plate 22 is turning It covers in connecting shaft 23 and is able to rotate between the axis through-Penetration portion 220 in activity supporting point portion 221 and the axis through-Penetration portion 212 of each mounting seat 21 Ground is mounted in each mounting seat 21, and the axis for making the axis being provided projectingly on locking bar 3 31 pass through each work fulcrum 225 passes through It wears portion 224 and connect each hook plate 22 with locking bar 3 and work.

Carrier 5 as shown in figure 11, is formed as rigid body, including fixed part using the rigid material with higher such as steel 51 and hook holding section 52, fixation portions 51 be fixed on framework B, above-mentioned hook holding section 52 is from one end of fixed part 51 to bow Extend depending on section in shape generally L-shaped, and by parallel with fixed part 51 in the shape generally L-shaped and (is installing When) towards the face of framework B (front) side linear flat surface is shaped generally as engaged face R2 is locked.In this feelings Under condition, carrier 5 is shaped generally as Z-shaped, planar portions formation installation bolt-through at one end by elongated rectangular steel plate Portion and constitute fixed part 51, the planar portions of the other end constitute hook holding section 52.

As shown in fig. 7, the fixed part 51 of each carrier 5 is in this case in the side of positive another party of framework B At positive left side frame f2, position corresponding with each locking component 2 at the back side of door main body d is fixed on using installation bolt b3 It sets, the frontoparallel of hook holding section 52 and framework B configure.

In this way, Multi-point fastening formula locking system S (referring to Fig. 6) drives locking bar 3 by the operation to lever 4, make each hook The work fulcrum 225 of plate 22 is that center of rotation is rotated with the rotating fulcrum portion 221 of each hook plate 22, thus by each hook plate 22 Hook portion 222 be inserted into the hook holding section 52 of each carrier 5, make be locked and fastened face R1 and the hook holding section 52 of hook portion 222 It locks engaged face R2 and docks engaging in the roughly the same height and position of the work fulcrum 225 with hook plate 22.

In addition, in Multi-point fastening formula locking system S, as shown in fig. 6, multiple locking components 2 include configuration in door master The lower side locking component D2 of the installation position of lower side in multiple installation positions of body d, and configuration is in the peace of upper side The upper side locking component U2 at position is filled, in addition, locking bar 3 includes the locking bar D3 of the lower side and locking bar U3 of upper side, lower part The front end of the hook portion 222 of the hook plate 22 of side lock component D2 is mounted on the installation position of lower side, lower side locking component downward The work fulcrum 225 of the hook plate 22 of D2 is pivotally supported the locking bar D3 in lower side, the hook of the hook plate 22 of upper side locking component U2 The front end in portion 222 is mounted on the installation position of upper side, the work fulcrum 225 of the hook plate 22 of upper side locking component U2 upward Be pivotally supported the locking bar U3 in upper side, door main body d it is positive, be equivalent to lower side locking component D2 and top side lock structure Position between part U2 is equipped with the shared lever 4 of lower side locking component D2 and upper side locking component U2, and lever 4 is under Each locking bar D3, U3 of portion side and upper side connection and work, lower side and upper side are driven by operation to the lever 4 Each locking bar D3, U3, make the work fulcrum 225 of each hook plate 22 of each locking component D2, U2 of lower side, upper side with each hook The rotating fulcrum portion 221 of plate 22 is that center of rotation is rotated, so that the hook portion 222 of each hook plate 22 is inserted into carrier 5 In hook holding section 52, make the engaged face R2 of the locking of be locked and fastened face R1 and the hook holding section 52 of hook portion 222 with hook plate 22 The roughly the same height and position of the fulcrum 225 that works docks engaging.

In this case, lever 4 as shown in figure 12, is mounted on to be formed in and is equivalent to lower side in the front of door main body d On the construction opening of position between locking component D2 and upper side locking component U2, lever 4 includes lever pedestal 41, handle-holding rod 42, the first connection connecting rod 451, the connection of working beam 46, second connecting rod 452 of lower side, the working beam 47 of upper side and reversion Spring 48, above-mentioned lever pedestal 41 in upper side have the opening portion 410 that is connected to construction opening and from the opening portions 410 The left and right sides pass through back side working beam mounting portion 411 outstanding from construction opening to door main body d, above-mentioned handle-holding rod 42 by with First fixed pivot axi 431 of the frontoparallel of door main body d is rotatably installed in the upper side of lever pedestal 41, so as to rise and fall Be rotatably mounted on lever pedestal 41, above-mentioned handle-holding rod 42 upper side have can pass through back of the construction opening to door main body d Surface side working arm 421 outstanding, the upper end of above-mentioned first connection connecting rod 451 is by parallel with the first fixed pivot axi 431 first Moveable pivot 441 is rotatably installed in the jag of the working arm 421 of handle-holding rod 42, and above-mentioned first connection connecting rod 451 is from upper End is configured to substantially inverted L-shaped towards lower end, and the upper end of the working beam 46 of above-mentioned lower side is by flat with the first fixed pivot axi 431 The second capable moveable pivot 442 is rotatably installed in the lower end of the first connection connecting rod 451, and the working beam 46 of above-mentioned lower side has There are the work fulcrum 461 extended downwardly from upper end and the work department 462 positioned at the lower end of the work fulcrum 461, it is above-mentioned One end of work department 462 is rotatably installed in lever bottom by second fixed pivot axi 432 parallel with the first fixed pivot axi 431 The working beam mounting portion 411 of seat 41, and the other end extends towards the rear of door main body d towards obliquely downward, and above-mentioned second connection connects The lower end of bar 452 is rotatably installed in the first connection by the third moveable pivot 443 parallel with the first fixed pivot axi 431 and connects The middle part of bar 451, above-mentioned second connection connecting rod 452 are configured to substantially linear shape from lower end towards upper end, it is above-mentioned on The lower end of the working beam 47 of portion side is rotatably installed in by the 4th moveable pivot 444 parallel with the first fixed pivot axi 431 The upper end of second connection connecting rod 452, the working beam 47 of above-mentioned upper side have the work fulcrum 471 that is upwardly extended from lower end with And the work department 472 positioned at the upper end of the work fulcrum 471, one end of above-mentioned work department 472 by with the first fixed pivot axi 431 parallel third fixed pivot axis 433 are rotatably installed in the working beam mounting portion 411 of lever pedestal 41, and the other end Obliquely extend towards the rear of door main body d, above-mentioned reversing spring 48 is installed in the first fixed pivot axi 431 and the second fixed pivot Between axis 432, the handle-holding rod 42 of state erected from lever pedestal 41 is kept, and keeps lodging in the state of lever pedestal 41 Handle-holding rod 42, the working beam 46 of lower side connect with the locking bar D3 of lower side and are worked, the working beam 47 of upper side with it is upper The locking bar U3 connection of portion side and work.

In addition, the lever 4 also includes bar catcher 6 and tapered end unit 7 together, the above-mentioned lodging of bar catcher 6 is in lever On pedestal 41, the rotation of the handle-holding rod 42 for the state being accommodated on lever pedestal 41 is limited, handle-holding rod 42 is maintained at On lever pedestal 41, above-mentioned tapered end unit 7 releases the holding to the state being accommodated on lever pedestal 41 carried out by bar catcher 6 The limitation of the rotation of shank 42 rotate the activity on lever pedestal 41 of handle-holding rod 42 (can) freely.

Bar catcher 6 includes hook 61 and hook carrier 62, and above-mentioned hook 61 is by the axis of the frontoparallel with door main body d 611 modes that can be rotated along the vertical direction are mounted on the positive lower side of lever pedestal 41, and under normal conditions, by spring 612 It is supported to along a direction rotation urging substantially at right angles with the front of lever pedestal 41, above-mentioned hook 61 is prominent towards front Front end side there is claw 613, above-mentioned hook carrier 62 is in the lower backside side of handle-holding rod 42 towards the rear of handle-holding rod 42 It is prominent, there is the carrier that can be engaged with the claw 613 of hook 61 in the rear end towards rear above-mentioned hook carrier 62 outstanding 621.In this case, the claw 613 of hook 61 is downwardly projected to be formed in the front end side of hook 61, and the rear surface towards rear is The lower surface of the snap-latch surface engaged with hook carrier 62, hook 61 is formed slopely downward from the front end of hook 61 and becomes and hook The engaging guide surface that carrier 62 engages.Spring 612 be folded in tapered end unit 7 (being the side of cylinder head 71 in this case) with Between hook 61 (being the part for leaning on front side than the center of rotation of hook 61 in this case), hook 61 is turned downward under normal conditions Direction is arranged with the front of lever pedestal 41 in dynamic force at a right angle.In addition, hook carrier 62 from the back side of handle-holding rod 42 backward Side is overlooked in extending generally L-shapedly, is formed with carrier 621, the direction of hook carrier 62 in the rear end of hook carrier 62 The front surface in front becomes the snap-latch surface engaged with hook 61.In this way, using keeping the lodging of handle-holding rod 42 dynamic on lever pedestal 41 Make, abut hook carrier 62 with hook 61 along the guide surface of hook 61, push hook 61 with overcoming the force of spring 612 and rotated, Make hook 61 and 62 elastic engaging of hook carrier, to limit the rotation of handle-holding rod 42, handle-holding rod 42 is maintained at lever pedestal 41 On.

Tapered end unit 7 includes cylinder head 71 and sliding panel 72, and above-mentioned cylinder head 71 is with the adjacent and keyhole with bar catcher 6 Be mounted on lever pedestal 41 towards the mode in front, above-mentioned sliding panel 72 with can along the up and down direction of lever pedestal 41 slide The rear end portion side with keyhole opposite side for the rotating cylinder 710 that mode configured in cylinder head 71, above-mentioned sliding panel 72 draw by sliding Guiding element 73 connect with the rotating cylinder 710 of cylinder head 71 and is worked, and is operated using the key of cylinder head 71, rotating cylinder 710 is made to go to locking Position and drive above-mentioned sliding panel 72 to slide into the going-back position not engaged with the hook 61 of bar catcher 6, retaining hook 61 is held with hook The engaging of socket part 62 drives above-mentioned sliding panel 72 to slide into and bar catcher 6 by making rotating cylinder 710 go to latch-release position Hook 61 engage progressive position, push with overcoming the force of spring 612 hook 61 rotation, release hook 61 and hook carrier 62 card It closes.In this case, sliding guide 73 is as shown in figure 13, including guide hump 731 and guide hole 732, above-mentioned guidance Protrusion 731 configures on the rear end face of the rotating cylinder 710 of cylinder head 71 in the rotation center eccentric position relative to rotating cylinder 710, energy It is rotated together with rotating cylinder 710, above-mentioned guide hole 732 is along the direction orthogonal with the glide direction of sliding panel 72 in the length of specific length In the poroid plate face for being penetratingly formed at sliding panel 72, sliding guide 73 makes the guide hump 731 of cylinder head 71 and sliding panel 72 Guide hole 732 engages.In this way, when the key operation using cylinder head 71 makes rotating cylinder 710 go to latched position and make guide hump 731 When being rotated around the axis of rotating cylinder 710, sliding panel 72 and the guide hump 731 slide into linkage not with bar catcher 6 The position that hook 61 engages, is 71 side of cylinder head in this case, and the hook 61 of holding rod catcher 6 and the engaging of hook carrier 62 are not Become, on the contrary, when making rotating cylinder 710 go to latch-release position and to rotate guide hump 731 around the axis of rotating cylinder 710, Sliding panel 72 slides into the position engaged with the hook 61 of bar catcher 6 with the guide hump 731 in linkage, utilizes the sliding panel 72 Overcome the force (being upward in this case) of spring 612 to push hook 61 to be rotated, releases hook 61 and hook carrier 62 Engaging, to release the limitation of the rotation to the handle-holding rod 42 on lever pedestal 41 carried out by bar catcher 6.

It is illustrated in Figure 14 by the tightening action of the Multi-point fastening formula locking system S door main body d carried out.

As shown in Figure 14 (a), (b), when (being operated using the rotation of handle-holding rod 42) makes handle-holding rod 42 lodge in lever pedestal When on 41, each working beam 46,47 of lower side and upper side carries out opening action in substantially splayed, drives lower side downwards Working beam 46, drives up the working beam 47 of upper side, and the locking component D2 of lower side makes hook plate 22 rotate down and make hook portion 222 engage from top with the hook holding section 52 of carrier 5 (referring to Fig. 6), and at the same time, the locking component U2 of upper side makes hook plate 22 are rotated up and engage hook portion 222 with the hook holding section 52 of carrier 5 from below, are grasped using the primary rotation of lever 4 Make, the side of the rotating side of door main body d is locked in framework B at multiple positions.Also, it is lodged using the limitation of bar catcher 6 It is accommodated in the rotation of the handle-holding rod 42 on lever pedestal 41, to keep the state (referring to Fig.1 2).In addition, working as from the state pair When handle-holding rod 42 carries out rotation operation, as described above, needing to make handle-holding rod 42 at lever bottom using the key operation of tapered end unit 7 Seat 41 on activity freely.

On the contrary, as shown in Figure 14 (b), when (being operated using the rotation of handle-holding rod 42) erects handle-holding rod 42, lower side And each working beam 46,47 of upper side carries out closed action in substantially herringbone, drives up the working beam 46 of lower side, to The working beam 47 of lower driving upper side, the locking component D2 of lower side are rotated up hook plate 22 and are detached from hook portion 222 and accept The hook holding section 52 (referring to Fig. 6) in portion 5, at the same time, the locking component U2 of upper side makes hook plate 22 rotate down and make hook portion 222 are detached from the hook holding section 52 of carrier 5, release door main body d and framework B more using the primary rotation operation of lever 4 The locking at a position.

Also, in Multi-point fastening formula locking system S, as shown in fig. 6, multiple positions using locking component 2 with hold Socket part 5 engages to fix the side of the rotating side of door main body d, in particular, the locking component 2 and carrier 5 at each position are by rigid Body is constituted, as shown in Figure 14 (b), by the engaged face R2 shape of locking of be locked and fastened the face R1 and hook holding section 52 of hook portion 222 As the engaging form engaged in the roughly the same height and position docking of the work fulcrum 225 with hook plate 22, therefore, this becomes The stronger pressure-resistance structure along the power acted on from the direction that the interior of framework B releases door main body d can be sufficiently resisted, Such as even if a few tons of pressure is applied when rising the pressure inside framework because of generation of short circuiting arc etc. in the inside of framework B In the case where being added on door main body d, the locking component 2 of each locked point and the fastening state of carrier 5 can be also maintained securely, reliably Ground keeps door main body d.

As described above, using Multi-point fastening formula locking system S, at multiple positions of the side of the rotating side of door main body d Provided with the locking component 2 being made of rigid body, it correspondingly is provided with the carrier 5 that is made of rigid body in the side framework B, using holding The operation of handle 4 drives locking bar 3, makes the work fulcrum 225 of the hook plate 22 of each locking component 2 with the rotating fulcrum portion of hook plate 22 221 are rotated for center of rotation, so that the hook portion 222 of hook plate 22 to be inserted into the hook holding section of each carrier 5 of the side framework B In 52, make the engaged face R2 of locking of be locked and fastened the face R1 and hook holding section 52 of hook portion 222 in the work fulcrum with hook plate 22 The roughly the same height and position in portion 225 docks engaging, therefore, can utilize the engaging of locking component 2 and carrier 5 at multiple positions Come fix door main body d rotating side side, in particular, using the locking component 2 at each position and the high rigidity of carrier 5 and The engaging form of the two can be realized the direction progress that can sufficiently resist along door main body d is released from the interior of framework B The pressure-resistance structure of the power of effect, such as even if when making because of the generation etc. of short circuiting arc the pressure inside framework B in the inside of framework B Rise, in the case that a few tons of pressure is applied to door main body d, can also maintain the engaging of each component 2,5 of each locked point, reliably Keep door main body d.

Thus, using explosion proof door D, by using Multi-point fastening formula locking system S, locking structure can be utilized at multiple positions The side of the rotating side of door main body d is fixed in the engaging of part 2 and carrier 5, in particular, using each position locking component 2 with The high rigidity of carrier 5 and the engaging form of the two, can be realized can sufficiently resist edge pushes away from the interior of framework B The pressure-resistance structure for the power that the direction of door main body d is acted on out, such as even if work as in the inside of framework B because of the generation of short circuiting arc Rise etc. the pressure made inside framework B, in the case that a few tons of pressure is applied to door main body d, can also maintain each of each locked point The engaging of component 2,5 reliably keeps door main body d.

In addition, in Multi-point fastening formula locking system S and having used the explosion proof door D of Multi-point fastening formula locking system S In, using lower side locking component D2, upper side locking component U2, the locking bar D3 of lower side, upper side locking bar U3 and under Each locking component D2, U2 of portion side and upper side shared lever 4 makes the working beam 46 of the lower side of lever 4 and lower side Locking bar D3 connection and work, connect the working beam 47 of upper side with the locking bar U3 of upper side and work, using making The rotation operation of handle-holding rod 42 of the lodging of handle-holding rod 42 on lever pedestal 41, makes each working beam 46,47 of lower side, upper side Opening action is carried out in substantially splayed, the working beam 46 of lower side is driven downwards, drives up the working beam 47 of upper side, make The hook plate 22 of the locking component D2 of lower side rotates down and engages hook portion 222 with the hook holding section 52 of carrier 5 from top, It is rotated up the hook plate 22 of the locking component U2 of upper side and blocks hook portion 222 with the hook holding section 52 of carrier 5 from below It closes, on the contrary, the rotation using the handle-holding rod 42 for erecting handle-holding rod 42 on lever pedestal 41 operates, makes lower side, upper side Each working beam 46,47 carry out closed action in substantially herringbone, the working beam 46 of lower side is driven up, downwards in driving The working beam 47 of portion side, be rotated up the hook plate 22 of the locking component D2 of lower side and make hook portion 222 be detached from carrier 5 hook Holding section 52, rotate down the hook plate 22 of the locking component U2 of upper side and make hook portion 222 be detached from carrier 5 hook holding section 52, therefore, Multi-point fastening formula locking system S can be encased in the longer side whole region for erecting the explosion proof door D of length, be easy Lever 4 is arranged in the up and down direction middle position for carrying out the door main body d of lever operation, also can be reliable even erecting long explosion proof door D Ground keeps door main body d, can also be easy to carry out lever operation.

In addition, the lever 4 also has the bar catcher 6 being made of hook 61 and hook carrier 62, above-mentioned hook 61 limits quilt It lodges the rotation of handle-holding rod 42 being accommodated on lever pedestal 41 and handle-holding rod 42 is maintained on lever pedestal 41, therefore, benefit With shirtsleeve operation of the lodging of handle-holding rod 42 on lever pedestal 41 is made, the hook 61 and hook carrier 62 of bar catcher 6 can be made Handle-holding rod 42 is reliably held on lever pedestal 41 by elastic engaging, securely maintaining each locking component 2 with each carrier 5 fastening state more reliably keeps the tightening state of door main body d.

Moreover, because be released with the tapered end unit 7 of cylinder head 71 has been used by the bar catcher 6 carry out to handle-holding rod The limitation of 42 rotation, therefore, handle-holding rod 42 are once incorporated on lever pedestal 41, are at lock state, the locking solution The operation removed only has the manager of the key of cylinder head 71 to be able to carry out, and limits unspecific in the safety managements such as explosion proof door permitted The opening and closing of more people is extremely effective for the door for needing to lock under normal conditions.

In addition, in the present embodiment, carrier includes that fixed part and hook holding section, fixation portions are fixed on framework On, above-mentioned hook holding section is extended with top view cross section in shape generally L-shaped from one end of fixed part, and this is generally L-shaped Shape in the face of parallel with fixed part and (during installation) towards framework (front) side formed as engaged face is locked It can also be in substantially with top view cross section from one end of fixed part for the hook holding section of substantially linear flat surface, but the carrier The shape of U-shaped extends, and by parallel with fixed part and (during installation) in this substantially shape of U-shaped towards framework ( Front) face of side is shaped generally as linear flat surface as engaged face is locked.In this way, carrier can also obtain with The same function and effect of above embodiment.

In addition, multiple locking components include the installation position for configuring the lower side in multiple installation positions of door main body Lower side locking component, and configuration is in the upper side locking component of the installation position of upper side, the hook of lower side locking component The front end of the hook portion of plate is mounted on the installation position of lower side downward, and the work fulcrum of the hook plate of lower side locking component is pivotally supported In the locking bar of lower side, the front end of the hook portion of the hook plate of upper side locking component is mounted on the installation position of upper side upward, on The work fulcrum of the hook plate of portion's side lock component is pivotally supported the locking bar in upper side, and positive in door is equivalent to lower part side chain Determine the position between component and upper side locking component, is equipped with what lower side locking component and upper side locking component shared Lever, lever connect with each locking bar of lower side and upper side and are worked, but multiple locking components can not also special shape As lower side locking component and upper side locking component, but the front end of the hook portion of hook plate is all installed downward or upward In each installation position, the work fulcrum of the hook plate of each locking component is pivotally supported in shared locking bar, in the positive phase of door When the lever for installing generally known existing Multi-point fastening in the position of one end of locking bar, make lever connect with locking bar and into Row work.In this way, can also obtain function and effect same as the above embodiment in terms of the holding of door main body.

Claims (5)

1. a kind of Multi-point fastening formula locking system is configured with locking in multiple installation positions along the side of rotating side at the back side of door Component, by driving the locking bar connecting with each locking component along door with the operations linkage for the positive lever for being mounted on door The back side side retreat, to make each locking component that the carrier is engaged or be detached from the carrier of framework side, spy Sign is,

Each locking component includes:

Mounting seat, the mounting seat is made of rigid material with higher, and the back side including being fixedly mounted on door The installation position on fixed installation portion, and extend from the fixed installation portion and there is the perforative axis between two sides The supporting part of through-Penetration portion；And

Hook plate, the hook plate are made of rigid material with higher, including rotating fulcrum portion, hook portion and work fulcrum Portion, the rotating fulcrum portion are formed in the base end side of the hook plate, and have and to be connected to the axis through-Penetration portion of the mounting seat Axis through-Penetration portion, the hook portion are formed as side cross-sectional in substantially L word from the front end side of rotating fulcrum portion towards the hook plate The shape of shape, and using the face towards rotating fulcrum portion side in the shape generally L-shaped as the face of being locked and fastened shape As substantially linear flat surface, the work fulcrum between the rotating fulcrum portion and the hook portion with the rotation Fulcrum is adjacent, and is formed as the lock across side cross-sectional in the slot and the hook portion of substantially V-shaped or substantially U-shaped Determine that holding section is opposite, the work fulcrum has the axis through-Penetration portion parallel with the axis through-Penetration portion in the rotating fulcrum portion,

The fixed installation portion of each mounting seat is fixedly mounted on each installation position at the back side of door, the bearing Portion and the back side of door it is substantially at right angles it is prominent towards the rear of door,

Each hook plate covered between the axis through-Penetration portion in the rotating fulcrum portion and the axis through-Penetration portion of each mounting seat with It is mounted on being able to rotate in each mounting seat in the parallel connecting shaft in the back side of door, and makes to be provided projectingly in the lock Axis on bar passes through the axis through-Penetration portion of each work fulcrum and connect each hook plate with the locking bar and work,

The carrier is made of rigid material with higher, including fixed part and hook holding section, and the fixed part is solid It is scheduled in framework, the hook holding section is from the fixed part with top view cross section in the shape of shape or substantially U-shaped generally L-shaped Shape extends, and by parallel with framework in the shape generally L-shaped or the shape of substantially U-shaped and towards the face of framework side work It is shaped generally as linear flat surface to lock engaged face,

The fixed part of each carrier is fixed on corresponding with each locking component at the back side of door in the front of framework Position, the frontoparallel of the hook holding section and framework configures,

The locking bar is driven using the operation of the lever, makes the work fulcrum of each hook plate with each hook plate The rotating fulcrum portion be center of rotation rotated, so that the hook portion of each hook plate is inserted into the carrier The hook holding section in, so that the locking of be locked and fastened face and the hook holding section of each hook portion is engaged face Engaging is docked in the height and position roughly the same with the work fulcrum of the hook plate.

2. Multi-point fastening formula locking system as described in claim 1, which is characterized in that

Locking component includes the lower side locking component for configuring the installation position of the lower side in multiple installation positions of door, with And configuration is in the upper side locking component of the installation position of upper side, the front end of the hook portion of the hook plate of the lower side locking component It is mounted on the installation position of lower side downward, the work fulcrum shaft of the hook plate of the lower side locking component is supported on lower side The front end of locking bar, the hook portion of the hook plate of the upper side locking component is mounted on the installation position of upper side upward, The work fulcrum of the hook plate of the upper side locking component is pivotally supported the locking bar in upper side, in the positive suitable of door Position between the lower side locking component and the upper side locking component, be equipped with the lower side locking component and The shared lever of the upper side locking component, the lever connect with each locking bar of the lower side and upper side and carry out work Make.

3. Multi-point fastening formula locking system as claimed in claim 2, which is characterized in that

Lever is mounted on construction opening, which is formed in the front of door and is equivalent to lower side locking component and top Position between side lock component, lever include lever pedestal, handle-holding rod, the first connection connecting rod, the working beam of lower side, second The working beam and reversing spring of connecting rod, upper side are connected, the lever pedestal has in upper side to be connected with the construction opening Logical opening portion and the back side working beam mounting portion outstanding that the construction opening to door are passed through from the two sides of the opening portion, The handle-holding rod is rotatably mounted on the upper side of the lever pedestal by the first fixed pivot axi of the frontoparallel with door, Be rotatably mounted on the lever pedestal so as to rise and fall, the handle-holding rod upper side have can pass through the construction opening To the back side working arm outstanding of door, the upper end of the first connection connecting rod is by parallel with first fixed pivot axi the One moveable pivot is rotatably mounted on the jag of the working arm of the handle-holding rod, and described first connects connecting rod from upper end It is configured to substantially inverted L-shaped towards lower end, the upper end of the working beam of the lower side is by parallel with first fixed pivot axi The second moveable pivot be rotatably mounted on the lower end of the first connection connecting rod, the working beam of the lower side has from upper Hold the work fulcrum that extends downwardly and the work department positioned at the lower end of the work fulcrum, one end of the work department by with The second parallel fixed pivot axi of first fixed pivot axi is rotatably mounted on the working beam installation of the lever pedestal Portion, and the other end extends towards the rear of door towards obliquely downward, and the lower end of the second connection connecting rod is consolidated by with described first The third moveable pivot for determining pivot axis parallel is rotatably mounted on the middle part of the first connection connecting rod, and second connection connects Bar is configured to substantially linear shape from lower end towards upper end, and the lower end of the working beam of the upper side is by with described first The 4th parallel moveable pivot of fixed pivot axi is rotatably mounted on the upper end of the second connection connecting rod, the work of the upper side Making bar has the work fulcrum upwardly extended from lower end and the work department positioned at the upper end of the work fulcrum, the work The one end in portion is rotatably mounted on the lever pedestal by the third fixed pivot axi parallel with first fixed pivot axi The working beam mounting portion, and the other end obliquely extends towards the rear of door, and the reversing spring is installed in described Between one fixed pivot axi and second fixed pivot axi, the handle-holding rod of the state erected from the lever pedestal is kept, and Keep lodging in the handle-holding rod of the state of the lever pedestal, the locking bar of the working beam of the lower side and the lower side It connects and works, the working beam of the upper side connect with the locking bar of the upper side and worked, described using making The rotation operation of the handle-holding rod of the handle-holding rod lodging on the lever pedestal, makes each work of the lower side and upper side Bar carries out opening action in substantially splayed, drives the working beam of lower side downwards, drives up the working beam of the upper side, The locking component of the lower side makes the hook plate rotate down and make the hook portion from the hook of top and the carrier Holding section engaging, the locking component of the upper side be rotated up the hook plate and make the hook portion from below with the undertaking The hook holding section in portion engages, and is grasped using the rotation for the lever for erecting the handle-holding rod on the lever pedestal Make, so that each working beam of the lower side and upper side is carried out closed action in substantially herringbone, drive up lower side Working beam, drives downwards the working beam of the upper side, and the locking component of the lower side makes the hook plate be rotated up and make The hook portion is detached from the hook holding section of the carrier, the locking component of the upper side make the hook plate rotate down and The hook portion is set to be detached from the hook holding section of the carrier.

4. Multi-point fastening formula locking system as claimed in claim 3, which is characterized in that

Lever further includes bar catcher and tapered end unit, and the bar catcher includes hook and hook carrier, and the hook is to borrow The mode that can be rotated along the vertical direction with the axis of the frontoparallel of door is helped to be mounted on the positive lower side of lever pedestal, and normal Under state, by spring carry out rotation urging and be supported to the lever pedestal front it is substantially at right angles, it is described to be hooked in direction Front front end side outstanding has claw, and the hook carrier is in the lower backside side of handle-holding rod towards after the handle-holding rod Side is prominent, has the undertaking that can be engaged with the claw of the hook in the rear end of the hook carrier rearward outstanding Portion makes the hook and the hook carrier elastic engaging and limits by making handle-holding rod lodging on the lever pedestal The rotation of the handle-holding rod, so that the handle-holding rod is maintained on the lever pedestal, the tapered end unit is released by described The limitation for the rotation to the handle-holding rod on the lever pedestal that bar catcher carries out, including cylinder head and sliding panel, institute It states cylinder head to be mounted on the lever pedestal in such a way that the adjacent and keyhole with the bar catcher is towards front, the cunning Movable plate by can along the up and down direction of the lever pedestal slide in a manner of configure in the cylinder head rotating cylinder with the keyhole The rear end portion side of opposite side, the sliding panel connect with the rotating cylinder of the cylinder head by sliding guide and are worked, benefit Operated with the key of the cylinder head, the rotating cylinder made to go to latched position, thus drive the sliding panel slide into not with it is described The position of the hook engaging of bar catcher, keeps the engaging of the hook with the hook carrier, by going to the rotating cylinder Latch-release position drives the sliding panel to slide into the position engaged with the hook of the bar catcher, overcomes the bullet The hook rotation is pushed to the force of spring, the engaging of the hook with the hook carrier is released.

5. a kind of explosion proof door is connected to the side of a side of framework with the side of a side with being able to rotate by hinge member, another The side of side is anchored on the form of framework by locking device, resists the biggish pressure generated inside framework, and feature exists In,

The locking device has used Multi-point fastening formula locking system described in any one of Claims 1-4.