CN202596507U - Flat-opening double-sash bidirectional opening-closing steel fireproof door - Google Patents
Flat-opening double-sash bidirectional opening-closing steel fireproof door Download PDFInfo
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- CN202596507U CN202596507U CN 201220242629 CN201220242629U CN202596507U CN 202596507 U CN202596507 U CN 202596507U CN 201220242629 CN201220242629 CN 201220242629 CN 201220242629 U CN201220242629 U CN 201220242629U CN 202596507 U CN202596507 U CN 202596507U
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Abstract
The utility model discloses a flat-opening double-sash bidirectional opening-closing steel fireproof door which comprises a steel door frame and a steel door sash. When the fireproof door is used, the steel door frame is fixedly connected on a tunnel wall body to form an external boundary of the fireproof door. The door sash comprises a first sash and a second sash, wherein the first sash and the second sash are rotatably connected on the door frame through a steel sleeve hinge structure. The steel sleeve hinge structure comprises a steel frame sleeve hinge jacket fixedly connected on the door frame, a steel sash sleeve hinge jacket fixedly connected on the door sash and a steel sleeve hinge core penetrating through the frame sleeve hinge jacket and the sash sleeve hinge jacket, wherein two ends of the sleeve hinge core are fixedly connected on the door frame. The fireproof door guarantees tunnel driving safety and evacuation capacity. The door frame is rotatably connected with the door sash through the sleeve hinge structure, and the flat-opening bidirectional opening-closing requirement can be met through sleeve hinges. When the sash rotates with the sleeve hinge core as the center, the rotation angle is larger than or equal to 180 degrees, and accordingly the evacuation requirements on the bidirectional tunnel condition are met.
Description
Technical field
The utility model relates to the biparting two-way keying steel labeled door of a kind of flat opening that in bidirectional tunnel, uses.
Background technology
Along with the development of civilization of human society, people have built various buildings, structure, and have correspondingly developed various fireproofing techniques, and labeled door i.e. a kind of in the fireproofing technique for this reason.Labeled door is meant can satisfy the door that fire stability, integrality and thermal insulation require within a certain period of time.Can be divided into by the opening ways labeled door flat open, push-and-pull, roller shutter etc.Generally can be divided into single fan, biparting and multiple leaf door by door leaf quantity.Wherein flat opening list fan, double door are simple to operation, use wider.The flat opening labeled door is made up of doorframe, door leaf and fire prevention Hardware fittings such as fire prevention hinge, Fire-proof lock, with the hinge be axle perpendicular to ground, this can be along the rotation of clockwise or counterclockwise single direction to open or to close the labeled door of door leaf.
The inherent feature that is provided with because of bidirectional tunnel of labeled door has certain laying particular stress on a little in the bidirectional tunnel, and at first, the tunnel is two-way, and labeled door is located at mid-board, and labeled door should possess the function that any side direction opposite side is evacuated; Secondly, labeled door should reach one and push away the ultra simple instructions for use of promptly opening in so airtight relatively tunnel; At last, consider the personnel amount of evacuating in the tunnel and be in driving states in the opposite side tunnel when evacuating that for the sake of security, door leaf should not be too roomy, to prevent to open the normal driving deleterious impact that the opposite side tunnel is given in the back; Certainly labeled door also will guarantee enough evacuation capacities.
Common flat opening labeled door can only rotate to a certain side of position, the closed place of door leaf; Can not the door leaf slewing area be expanded to the both sides of position, the closed place of door leaf; The opening direction of considering labeled door must be to evacuate direction, so common flat opening labeled door can't satisfy the instructions for use (function that does not promptly possess two-way evacuation) under the bidirectional tunnel condition under the state of emergency.Though labeled door also can be brought into play the evacuation effect after the rightabout of evacuating direction is opened, this is an ideal state; After a side tunnel generation emergency (like fire etc.); Unordered situation about fighting for can take place in the crowd in the tunnel under panic situation; If labeled door is to open against evacuating direction, then the door opener may be because of being drawn back labeled door by the rear is crowded backward; Even if labeled door has been drawn back, the reset function of labeled door makes labeled door have the tendency of closing constantly again, needs the evacuee to keep the pulling force to fireproof door leaf, and this has just caused, and the crowd can not smooth and easy phenomenon through labeled door when evacuating.If labeled door can bidirectional opening, then evacuate the crowd and only need march forward, can push labeled door open by nature, avoid labeled door not open or the evacuation crowd can not smooth and easy phenomenon through labeled door.
As well known to those skilled in the art, can't stitch plate by mounting cover on the two-way folding door leaf, thereby can't realize sealing, can not play the fire-proof smoke-proof effect.Consider that back on fire pyrotechnics has rise effect, therefore need the upper end of door leaf be designed to hermetically-sealed construction with removable side (with respect to the fixedly side that is connected rotating shaft), need form hermetically-sealed construction when promptly door leaf cuts out, to play the effect of fire-proof smoke-proof.This present situation has stoped existing two-way folding door leaf to apply to the labeled door technical field, even if be used as fire-proof door leaf, also can't guarantee sealing effectiveness.
At present, not having on the market can bidirectional opening, can guarantee the tunnel traffic safety, can guarantee the steel labeled door of enough evacuation capacities again, more not have the while can guarantee the biparting two-way keying steel labeled door of flat opening of sealing effectiveness certainly.
Summary of the invention
The purpose of the utility model is to provide a kind of flat opening biparting two-way keying steel labeled door.
For realizing the foregoing invention purpose; The biparting two-way keying steel labeled door of the flat opening of the utility model comprises steel doorframe and steel door leaf; Steel door frame is fixedly connected on the tunnel body of wall and forms the labeled door outer boundary during use; Said door leaf comprises first door leaf and second door leaf, and first door leaf and second door leaf are rotatably connected on the said doorframe through steel sleeve hinge structure; Steel sleeve hinge structure comprise the steel frame sleeve hinge cover that is connected on the doorframe, be connected in the steel fan sleeve hinge cover on the door leaf and be located in said frame sleeve hinge cover and fan sleeve hinge cover in steel sleeve hinge core, the two ends of sleeve hinge core are connected on the doorframe.
Said frame sleeve hinge cover and fan sleeve hinge cover are arranged alternately and the two merging length equals the length of door leaf side along the length direction of sleeve hinge core; Said frame sleeve hinge cover is identical with the internal diameter of fan sleeve hinge cover, and the internal diameter of the external diameter of said sleeve hinge core and frame sleeve hinge cover and fan sleeve hinge cover is suitable.
The opposite flank of said first door leaf and said second door leaf is that free side is provided with touching column formula hermetically-sealed construction away from the free side of sleeve hinge core, realizes sealing through touching column formula hermetically-sealed construction between first door leaf and second door leaf when door leaf cuts out; Said touching column formula hermetically-sealed construction comprise be arranged on first door leaf or the second door leaf free side bump the groove structure and be arranged on second door leaf or the first door leaf free side on the touching column structure; Said touching column structure is included in the elongated slot of the middle part of door leaf free side along this side length direction setting; The side that said elongated slot closes on said sleeve hinge is provided with the steel backup plate along the length direction of elongated slot; Backup plate is as the bottom land of elongated slot, and the opposite side of backup plate is the notch of elongated slot; Its length direction of backup plate upper edge evenly is interval with horizontally disposed steel cylinder, is provided with brute spring in the steel cylinder; Door leaf is respectively equipped with baffle plate in the notch both sides of elongated slot, forms touching column protrusion mouth between two side shields; Be provided with the half-cylindrical touching column of steel along its length direction in the elongated slot; The diameter of touching column is greater than the width of said touching column protrusion mouth; One side of touching column is that arc surface and its opposite side are the plane; Its length direction of upper edge, plane of touching column is interval with and the corresponding circular hole of said steel cylinder, and the arc surface of touching column is near said touching column protrusion mouth; The internal diameter of said circular hole is greater than the external diameter of said steel cylinder, said brute spring one end is pressed on the backup plate and its other end stretch into said circular hole and with the touching column roof pressure together; Saidly bump the semicircle touching column groove that middle part that the groove structure is included in the door leaf free side is provided with along this side length direction, the arc surface of this touching column groove and said touching column is suitable, and the surface of said touching column groove is provided with the fire proof seal adhesive tape along its length direction.
Be provided with steel tank along the crossbeam length direction in the said doorframe upper beam, said steel tank is provided with the steel tank opening in the crossbeam bottom surface along the crossbeam length direction; Be provided with cylindrical steel column in the steel tank, the diameter of steel column is greater than the width of steel tank opening; The width of said door leaf end face upper edge door leaf is provided with the steel column groove suitable with said steel column, and the bottom of steel column groove is provided with the fire proof seal adhesive tape along the groove length direction.
Two sides of first door leaf and second door leaf all are provided with door leaf extension spring firmware; When first door leaf and second door leaf are positioned at full open position; Be provided with body of wall extension spring firmware with each the corresponding tunnel of door leaf extension spring firmware body of wall, be connected with extension spring between each door leaf extension spring firmware and its corresponding body of wall extension spring firmware.
Said each door leaf extension spring firmware is arranged on the top of door leaf side and is positioned at 1/3 place that body of wall is closed in the door leaf side; All be provided with turnbuckle in said each extension spring.
Said door leaf is the hollow body of being made by steel plate, the inner fire-proof heat-insulating material filler of filling of door leaf.
The utlity model has following advantage:
1. the bidirectional tunnel labeled door is a single door in the past; Wide words can influence the traffic safety in opposite side tunnel and (singly fan labeled door under the situation that guarantees percent of pass; The door leaf broad; Suddenly might bump with the traffick in the opposite side tunnel after all opening or the driver in driving is produced paroxysmal bad psychological impact), narrowly then can not guarantee enough evacuation capacities, can not take into account pass through safety and evacuation capacity.Adopt double door now, when just beginning to evacuate, the Yishanmen that runner's people opens earlier wherein passes through, and does not therefore have the phenomenon that a large amount of personnel pour in the opposite side tunnel suddenly.When the evacuation personnel concentrate on the labeled door place in a large number through the time, will inevitably two fan doors all be opened again, thereby guarantee enough evacuation capacities; Opposite side tunnel in formed early warning effect owing to pass through the personnel of labeled door in advance this moment, and the vehicle that this side is current has been noted that the evacuation phenomenon, therefore also can not cause the traffic safety problem.Simultaneously, under the identical situation of door opening size, double door door leaf width is the half the of single door door leaf width, therefore under the prerequisite that guarantees evacuation capacity, even if two door leafs throw open also simultaneously can not exert an influence to the tunnel driving.
So both guarantee the tunnel traffic safety, guaranteed enough evacuation capacities again.Be rotatably connected through sleeve hinge structure between doorframe and the door leaf; Utilize sleeve to cut with scissors to reach the requirement of Ping Kai and two-way keying, making door leaf is center when rotating with sleeve hinge core, and its rotational angle only is subject to tunnel body of wall (tunnel Zhong Qiang); Rotational angle can be more than or equal to 180 degree; Guarantee that its opening direction has two-way characteristics, can push open to the opposite side channel direction, thereby satisfy the evacuation requirement under the bidirectional tunnel condition by tunnel either side passage.Can play the effect of the stifled cigarette of fire prevention when labeled door is closed, stop the diffusion that spreads of pyrotechnics.
2. frame sleeve hinge cover and fan sleeve hinge cover are arranged alternately and the two merging length equals the length of door leaf side along the length direction of sleeve hinge core, make doorframe, door leaf and sleeve hinge stressed more even, increase the service life; Identical with door leaf with the length of fan sleeve hinge cover with time-frame sleeve hinge cover, this has also been avoided the door leaf side to have and has been exposed to the outer expose portion of sleeve hinge, looses in opposite side tunnel passage thereby avoid cigarette, fire etc. to be overflow by expose portion.
3. touching column formula hermetically-sealed construction is provided with simply, can when door leaf cuts out, guarantee the sealing effectiveness at this place, is convenient to simultaneously make.Touching column protrudes the notch of elongated slot during use under the effect of brute spring.When door leaf cut out, no matter door leaf by which direction cut out, and touching column all can move in elongated slot when two door leafs collide each other, each brute spring is compressed, and two door leafs can cut out; After the dead in line of two door leafs (door leaf cut out and put in place this moment); Touching column circular arc top is outstanding forward under the elastic force of each brute spring; Snap in the touching column groove on another door leaf; And push down the fire proof seal adhesive tape at this place, thus form hermetically-sealed construction at this place, play good fire-proof smoke-proof effect.The diameter of touching column is greater than the width of said touching column protrusion mouth, and touching column can not break away from door leaf when having guaranteed the door leaf unlatching under the thrust of brute spring.
4. when door leaf cut out, steel column fell into the steel column groove in the effect of self gravitation, and was pressed on the fire proof seal adhesive tape at this place, thereby played the effect of good fire-proof smoke-proof.This structure makes two-way folding door leaf also can form good sealing effectiveness without mounting cover seam plate, has solved the technical problem that can't seal when two-way in the past folding door leaf cuts out.When the door leaf of the utility model was opened, because the diameter of steel column is greater than the width of steel tank opening, so steel column can be stuck in the steel tank opening part and can not drop from the doorframe crossbeam.
5. after evacuating personnel finishes, under the effect of tension spring tension, door leaf will automatically reset to fastening position, thereby play the effect of automatic fire prevention Smoke prevention.Owing to all be provided with extension spring in the both sides of each door leaf, no matter be to evacuate therefore to which direction, evacuate finish can extension spring effect under the self-closing doors fan.
6. each door leaf extension spring firmware is arranged on the top of door leaf side and is positioned at 1/3 place that body of wall is closed in the door leaf side, can either accomplish the task of the door leaf that automatically resets, and can when evacuating, not hinder passing through of personnel again.The setting of turnbuckle is convenient to regulate the pretightning force of each extension spring.
7. the inner fire-proof heat-insulating material filler of filling of door leaf, in a side tunnel passage on fire after, can make the temperature of labeled door opposite side door leaf side can be too not high, make the utility model in use have more safety.
Description of drawings
Fig. 1 is the structural representation that removes the utility model after the extension spring under the door leaf closure state;
Fig. 2 is the structural representation of sleeve hinge core;
Fig. 3 is the structural representation of doorframe;
Fig. 4 is the structural representation under the door leaf closure state;
Fig. 5 is the A-A sectional view of Fig. 1;
Fig. 6 is the enlarged drawing at A place among Fig. 5;
Fig. 7 is the B-B sectional view of Fig. 1;
Fig. 8 is the B-B sectional view of Fig. 1 during door leaf is opened or in the closure time;
Fig. 9 is the enlarged drawing at B place among Fig. 8;
Figure 10 is the horizontal sectional view of the utility model and tunnel body of wall under the door leaf half-open position;
Figure 11 is the structure for amplifying sketch map at C place among Figure 10;
Figure 12 is door leaf is opened back the utility model and a horizontal sectional view from tunnel body of wall a to side;
Figure 13 is door leaf is opened back the utility model and a horizontal sectional view from tunnel body of wall to opposite side.
The specific embodiment
Embodiment one
Extremely shown in Figure 10 like Fig. 1; The biparting two-way keying steel labeled door of the flat opening of the utility model comprises steel doorframe 1 and steel door leaf; Steel door frame 1 is fixedly connected on the tunnel body of wall 4 and forms the labeled door outer boundary during use; Said door leaf comprises that first door leaf 2 and second door leaf, 3, the first door leafs 2 and second door leaf 3 are rotatably connected on the said doorframe 1 through steel sleeve hinge structure.All be provided with handle 5 on two sides on first door leaf 2 and second door leaf 3.
Extremely shown in Figure 4 like Fig. 1; Steel sleeve hinge structure comprise the steel frame sleeve hinge cover 6 that is connected on the doorframe 1, be connected in the steel fan sleeve hinge cover 7 on the door leaf and be located in said frame sleeve hinge cover 6 and fan sleeve hinge cover 7 in steel sleeves hinge core 8, the two ends of sleeve hinge core 8 are connected on the doorframe 1.
To shown in Figure 4, said frame sleeve hinge cover 6 and fan sleeve hinge cover 7 are arranged alternately and the two merging length equals the length of door leaf side along the length directions of sleeve hinge core 8 like Fig. 1; Said frame sleeve hinge cover 6 is identical with the internal diameter of fan sleeve hinge cover 7, and the internal diameter of the external diameter of said sleeve hinge core 8 and frame sleeve hinge cover 6 and fan sleeve hinge cover 7 is suitable, and the external diameter of sleeve hinge core 8 is slightly less than the internal diameter of frame sleeve hinge cover 6.
Extremely shown in Figure 4 like Fig. 5, Fig. 6 and Fig. 1; The opposite flank of said first door leaf 2 and said second door leaf 3 is the free side away from sleeve hinge core 8; Free side is provided with touching column formula hermetically-sealed construction, realizes sealing through touching column formula hermetically-sealed construction between first door leaf 2 and second door leaf 3 when door leaf cuts out.
Said touching column formula hermetically-sealed construction comprise be arranged on first door leaf 2 or second door leaf, 3 free side bump the groove structure and be arranged on second door leaf 3 or first door leaf, 2 free side on the touching column structure.
Extremely shown in Figure 4 like Fig. 5, Fig. 6 and Fig. 1; The middle part that said touching column structure is included in the door leaf free side is along the elongated slot 9 of this side length direction vertical direction of ground (promptly vertical with) setting; The side that said elongated slot 9 closes on said sleeve hinge is provided with steel backup plate 11 along the length direction of elongated slot 9; Backup plate 11 is as the bottom land of elongated slot 9, and the opposite side of backup plate 11 is the notch of elongated slot 9; Its length direction of backup plate 11 upper edges evenly is interval with horizontally disposed steel cylinder 12, is provided with brute spring 13 in the steel cylinder 12; Door leaf is respectively equipped with in the notch both sides of elongated slot 9 and forms touching column protrusion mouth 15 between baffle plate 14, two side shields 14; Be provided with the half-cylindrical touching column 16 of steel along its length direction in the elongated slot 9; The diameter of touching column 16 is greater than the width of said touching column protrusion mouth 15; One side of touching column 16 is that arc surface and its opposite side are the plane; Its length direction of upper edge, plane of touching column 16 evenly is interval with and said steel cylinder 12 corresponding circular holes 17, and the arc surface of touching column 16 is near said touching column protrusion mouth 15; The internal diameter of said circular hole 17 is slightly larger than the external diameter (when door leaf cuts out, steel cylinder 12 can insert in the circular hole 17 during touching column 16 retraction) of said steel cylinder 12, said brute spring 13 1 ends are pressed on the backup plate 11 and its other end stretch into said circular hole 17 and with touching column 16 roof pressures together; Spring 13 length are as the criterion to guarantee that touching column 16 can normally eject and bounce back.
Extremely shown in Figure 5 like Fig. 6 and Fig. 1; Saidly bump the semicircle touching column groove 18 that middle part that the groove structure is included in the door leaf free side is provided with along this side length direction; This touching column groove 18 is suitable with the arc surface of said touching column 16, and the middle part, surface of said touching column groove 18 is provided with fire proof seal adhesive tape 19 along its length direction.
Like Fig. 7, Fig. 8, Fig. 9 and shown in Figure 1, be provided with steel tank 21 along the crossbeam length direction in the said doorframe upper beam 1A, said steel tank 21 is provided with steel tank opening 22 in the crossbeam bottom surface along the crossbeam length direction; Be provided with cylindrical steel column 23 in the steel tank 21, the diameter of steel column 23 is greater than the width of steel tank opening 22.
The width of said door leaf (comprising first door leaf 2 and second door leaf 3) end face upper edge door leaf is provided with the steel column groove 24 suitable with said steel column 23, and the bottom of steel column groove 24 is provided with fire proof seal adhesive tape 19 along the groove length direction.
Like Figure 10, shown in Figure 11; Two sides of first door leaf 2 and second door leaf 3 all are provided with door leaf extension spring firmware 25; When first door leaf 2 and second door leaf 3 are positioned at full open position; Be provided with body of wall extension spring firmware 26 with each door leaf extension spring firmware 25 corresponding tunnel body of wall 4, be connected with extension spring 27 between each door leaf extension spring firmware 25 and its corresponding body of wall extension spring firmware 26.Said each door leaf extension spring firmware 25 is arranged on the top of door leaf side and is positioned at 1/3 place that body of wall is closed in the door leaf side; All be provided with turnbuckle 28 in said each extension spring 27.
Wherein, like Fig. 5 and shown in Figure 1, said door leaf is the hollow body of being made by steel plate, the inner fire-proof heat-insulating material filler 29 of filling of door leaf, and filler 29 need meet the requirement of " GB 12955-2008 " concerned countries standards such as (labeled doors).
During evacuation; Like Figure 12 and (direction of arrow is depicted as and evacuates direction among Figure 12 and Figure 13) shown in Figure 13; The door leaf of the utility model (comprising first door leaf 2 and second door leaf 3) but bidirectional opening; When just beginning to evacuate, the Yishanmen that runner's people opens earlier wherein passes through, and does not therefore have the phenomenon that a large amount of personnel pour in the opposite side tunnel suddenly.When the evacuation personnel concentrate on the labeled door place in a large number through the time, will inevitably two fan doors all be opened again, thereby guarantee enough evacuation capacities; Opposite side tunnel in formed early warning effect owing to pass through the personnel of labeled door in advance this moment, and the vehicle that this side is current has been noted that the evacuation phenomenon, therefore also can not cause the traffic safety problem.So both guarantee the tunnel traffic safety, guaranteed enough evacuation capacities again.The utility model utilizes sleeve hinge structure to reach the requirement of Ping Kai and two-way keying; When making door leaf be the center rotation with sleeve hinge core 8; Its rotational angle only is subject to tunnel body of wall 4 (tunnel Zhong Qiang), and the maximum rotation angle guarantees that more than or equal to 180 degree its opening direction has two-way characteristics; Can push open to the opposite side channel direction by tunnel either side passage, thereby satisfy the evacuation requirement under the bidirectional tunnel condition.
Present embodiment also provides the preparation method of the biparting two-way keying steel labeled door of a kind of above-mentioned flat opening, and this method is carried out successively according to the following steps:
1, makes side and have the steel door frame 1 that frame sleeve hinge cover 6 and top rail are provided with touching column 16;
2, make first door leaf 2 and second door leaf 3 that has fan sleeve hinge cover 7, make the steel column groove, along the groove length direction fire proof seal adhesive tape 19 is set at the steel column bottom portion of groove in the upper surface of first door leaf 2 and second door leaf 3; Free side (opposite flank of fan sleeve hinge cover 7) at first door leaf 2 and second door leaf 3 is made respectively and is bumped groove structure and touching column 16 structures; Comprise backup plate 11 is installed, make half-cylindrical touching column 16 and touching column 16 length directions get out circular hole 17 at interval in the upper edge, plane of touching column 16; Touching column 16 is installed in the elongated slot 9 of door leaf free side; Make with the suitable steel cylinder 12 of said circular hole 17 and with the suitable brute spring 13 of said steel cylinder 12; Steel cylinder 12 is connected on the backup plate 11; Brute spring 13 is located in the steel cylinder 12, makes brute spring 13 1 ends be pressed on the backup plate 11 and the other end is pressed into touching column circular hole 17;
3, make sleeve hinge core 8;
4, sleeve is cut with scissors core 8 and penetrate frame sleeve hinge cover 6 and fan sleeve hinge cover 7, thereby connect door leaf and doorframe 1;
5, labeled door is whole fixing with tunnel body of wall 4;
6, on two sides of each door leaf, door leaf extension spring firmware 25 is set, with each door leaf extension spring firmware 25 corresponding tunnel body of wall 4 on body of wall extension spring firmware 26 is set; Between each door leaf extension spring firmware 25 and corresponding body of wall extension spring firmware 26, be connected extension spring 27, and the pretightning force of adjustment extension spring 27.
Embodiment two
Present embodiment is that with the difference of embodiment one preparation method of the biparting two-way keying steel labeled door of said flat opening is different, and the preparation method of present embodiment is carried out successively according to the following steps:
1, make the steel door frame 1 that top rail is provided with touching column 16, doorframe 1 is fixing with tunnel body of wall 4;
2, make frame sleeve hinge cover 6, fan sleeve hinge cover 7 and sleeve hinge core 8, and frame sleeve gum cover and fan sleeve hinge cover 7 alternately are enclosed within on the sleeve hinge core 8;
The two ends up and down of 3, sleeve being cut with scissors core 8 are fixed on the doorframe 1, and frame sleeve hinge cover 6 is linked to each other with doorframe 1;
4, make door leaf, comprise first door leaf 2 and second door leaf 3, make the steel column groove, along the groove length direction fire proof seal adhesive tape 19 is set at the steel column bottom portion of groove in the upper surface of first door leaf 2 and second door leaf 3; Free side (opposite flank of fan sleeve hinge cover 7) at first door leaf 2 and second door leaf 3 is made respectively and is bumped groove structure and touching column 16 structures; Comprise backup plate 11 is installed, make half-cylindrical touching column 16 and touching column 16 length directions get out circular hole 17 at interval in the upper edge, plane of touching column 16; Touching column 16 is installed in the elongated slot 9 of door leaf free side; Make with the suitable steel cylinder 12 of said circular hole 17 and with the suitable brute spring 13 of said steel cylinder 12; Steel cylinder 12 is connected on the backup plate 11; Brute spring 13 is located in the steel cylinder 12, makes brute spring 13 1 ends be pressed on the backup plate 11 and the other end is pressed into touching column circular hole 17;
5, door leaf is linked to each other with fan sleeve hinge cover 7.
6, on two sides of each door leaf, door leaf extension spring firmware 25 is set, with each door leaf extension spring firmware 25 corresponding tunnel body of wall 4 on body of wall extension spring firmware 26 is set; Between each door leaf extension spring firmware 25 and corresponding body of wall extension spring firmware 26, be connected extension spring 27, and the pretightning force of adjustment extension spring 27.
Preparation method in the utility model is simple and convenient, and efficient is higher.Two kinds of preparation methods have improved the flexibility when making, and can select preparation method preferably for use according to actual conditions.
Claims (7)
1. the biparting two-way keying steel labeled door of flat opening; It is characterized in that: comprise steel doorframe and steel door leaf; Steel door frame is fixedly connected on the tunnel body of wall and forms the labeled door outer boundary during use; Said door leaf comprises first door leaf and second door leaf, and first door leaf and second door leaf are rotatably connected on the said doorframe through steel sleeve hinge structure;
Steel sleeve hinge structure comprise the steel frame sleeve hinge cover that is connected on the doorframe, be connected in the steel fan sleeve hinge cover on the door leaf and be located in said frame sleeve hinge cover and fan sleeve hinge cover in steel sleeve hinge core, the two ends of sleeve hinge core are connected on the doorframe.
2. the biparting two-way keying steel labeled door of flat opening according to claim 1 is characterized in that:
Said frame sleeve hinge cover and fan sleeve hinge cover are arranged alternately and the two merging length equals the length of door leaf side along the length direction of sleeve hinge core; Said frame sleeve hinge cover is identical with the internal diameter of fan sleeve hinge cover, and the internal diameter of the external diameter of said sleeve hinge core and frame sleeve hinge cover and fan sleeve hinge cover is suitable.
3. the biparting two-way keying steel labeled door of flat opening according to claim 2 is characterized in that:
The opposite flank of said first door leaf and said second door leaf is that free side is provided with touching column formula hermetically-sealed construction away from the free side of sleeve hinge core, realizes sealing through touching column formula hermetically-sealed construction between first door leaf and second door leaf when door leaf cuts out;
Said touching column formula hermetically-sealed construction comprise be arranged on first door leaf or the second door leaf free side bump the groove structure and be arranged on second door leaf or the first door leaf free side on the touching column structure;
Said touching column structure is included in the elongated slot of the middle part of door leaf free side along this side length direction setting; The side that said elongated slot closes on said sleeve hinge is provided with the steel backup plate along the length direction of elongated slot; Backup plate is as the bottom land of elongated slot, and the opposite side of backup plate is the notch of elongated slot; Its length direction of backup plate upper edge evenly is interval with horizontally disposed steel cylinder, is provided with brute spring in the steel cylinder; Door leaf is respectively equipped with baffle plate in the notch both sides of elongated slot, forms touching column protrusion mouth between two side shields; Be provided with the half-cylindrical touching column of steel along its length direction in the elongated slot; The diameter of touching column is greater than the width of said touching column protrusion mouth; One side of touching column is that arc surface and its opposite side are the plane; Its length direction of upper edge, plane of touching column is interval with and the corresponding circular hole of said steel cylinder, and the arc surface of touching column is near said touching column protrusion mouth; The internal diameter of said circular hole is greater than the external diameter of said steel cylinder, said brute spring one end is pressed on the backup plate and its other end stretch into said circular hole and with the touching column roof pressure together;
Saidly bump the semicircle touching column groove that middle part that the groove structure is included in the door leaf free side is provided with along this side length direction, the arc surface of this touching column groove and said touching column is suitable, and the surface of said touching column groove is provided with the fire proof seal adhesive tape along its length direction.
4. according to the biparting two-way keying steel labeled door of each described flat opening in the claim 1 to 3, it is characterized in that:
Be provided with steel tank along the crossbeam length direction in the said doorframe upper beam, said steel tank is provided with the steel tank opening in the crossbeam bottom surface along the crossbeam length direction; Be provided with cylindrical steel column in the steel tank, the diameter of steel column is greater than the width of steel tank opening;
The width of said door leaf end face upper edge door leaf is provided with the steel column groove suitable with said steel column, and the bottom of steel column groove is provided with the fire proof seal adhesive tape along the groove length direction.
5. the biparting two-way keying steel labeled door of flat opening according to claim 4 is characterized in that:
Two sides of first door leaf and second door leaf all are provided with door leaf extension spring firmware; When first door leaf and second door leaf are positioned at full open position; Be provided with body of wall extension spring firmware with each the corresponding tunnel of door leaf extension spring firmware body of wall, be connected with extension spring between each door leaf extension spring firmware and its corresponding body of wall extension spring firmware.
6. the biparting two-way keying steel labeled door of flat opening according to claim 5 is characterized in that:
Said each door leaf extension spring firmware is arranged on the top of door leaf side and is positioned at 1/3 place that body of wall is closed in the door leaf side; All be provided with turnbuckle in said each extension spring.
7. according to the biparting two-way keying steel labeled door of each described flat opening in the claim 1 to 3, it is characterized in that:
Said door leaf is the hollow body of being made by steel plate, the inner fire-proof heat-insulating material filler of filling of door leaf.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220242629 CN202596507U (en) | 2012-05-28 | 2012-05-28 | Flat-opening double-sash bidirectional opening-closing steel fireproof door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220242629 CN202596507U (en) | 2012-05-28 | 2012-05-28 | Flat-opening double-sash bidirectional opening-closing steel fireproof door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202596507U true CN202596507U (en) | 2012-12-12 |
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ID=47314054
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220242629 Withdrawn - After Issue CN202596507U (en) | 2012-05-28 | 2012-05-28 | Flat-opening double-sash bidirectional opening-closing steel fireproof door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202596507U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102650187A (en) * | 2012-05-28 | 2012-08-29 | 郑州市市政工程总公司 | Side-opening double-leaf two-way opening and closing steel fireproof door and manufacturing method thereof |
-
2012
- 2012-05-28 CN CN 201220242629 patent/CN202596507U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102650187A (en) * | 2012-05-28 | 2012-08-29 | 郑州市市政工程总公司 | Side-opening double-leaf two-way opening and closing steel fireproof door and manufacturing method thereof |
| CN102650187B (en) * | 2012-05-28 | 2015-07-15 | 郑州市市政工程总公司 | Side-opening double-leaf two-way opening and closing steel fireproof door and manufacturing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20121212 Effective date of abandoning: 20150715 |
|
| RGAV | Abandon patent right to avoid regrant |