CN102650187B - Side-opening double-leaf two-way opening and closing steel fireproof door and manufacturing method thereof - Google Patents
Side-opening double-leaf two-way opening and closing steel fireproof door and manufacturing method thereof Download PDFInfo
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- CN102650187B CN102650187B CN201210168140.0A CN201210168140A CN102650187B CN 102650187 B CN102650187 B CN 102650187B CN 201210168140 A CN201210168140 A CN 201210168140A CN 102650187 B CN102650187 B CN 102650187B
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Abstract
The invention discloses a side-opening double-leaf two-way opening and closing steel fireproof door and a manufacturing method thereof. The fireproof door comprises a steel doorframe and steel door leaves. When the door is used, the steel doorframe is fixedly connected to the wall of a tunnel and forms the external boundary of the fireproof door. The door leaves include a first door leaf and a second door leaf which are connected to the doorframe through a steel sleeve hinge structure in a rotary manner; the steel sleeve hinge structure comprises a steel frame sleeve hinge sleeve fixedly connected to the doorframe, a steel leaf sleeve hinge sleeve fixedly connected to the door leaves and a steel sleeve hinge cylinder which penetrates through the frame sleeve hinge sleeve and the leaf sleeve hinge sleeve; and two ends of the sleeve hinge cylinder are fixedly connected to the doorframe. The fireproof door not only ensures driving safety in the tunnel but also ensures enough evacuation capability. The doorframe and the door leaves are connected with each other in a rotary manner through the sleeve hinge structure, and through the sleeve hinge structure, the requirements of side opening and opening and closing in two ways are reached; when the door leaves rotate around the sleeve hinge cylinder, the rotation angle is bigger than or equal to 180 degrees; and in such way, the evacuation requirement in the bidirectional tunnel can be satisfied.
Description
Technical field
The present invention relates to the biparting two-way keying steel-made fire-retardant door of a kind of flat opening used in bidirectional tunnel.
Background technology
Along with the development of civilization of human society, people have built various building, structure, and correspondingly develop various fireproofing technique, the one of labeled door namely for this reason in fireproofing technique.Labeled door refers to the door that can meet fire stability, integrality and thermal insulation within a certain period of time and require.Can be divided into by opening ways labeled door flat to open, push-and-pull, roller shutter etc.Single fan, biparting and multiple leaf door generally can be divided into by door leaf quantity.Wherein flat opening list fan, double door is simple to operation, uses wider.Flat opening labeled door is made up of doorframe, door leaf and hinge for fireproof, Fire-proof lock etc. Hardware fitting of preventing fires, with hinge be axle perpendicular to ground, this axle can rotate labeled door to open or to close door leaf along clockwise or counterclockwise single direction.
The arranging to have because of the inherent feature of bidirectional tunnel and certain lay particular stress on a little of labeled door in bidirectional tunnel, first, tunnel is two-way, and labeled door is located at mid-board, and labeled door should possess the function that any side is evacuated to opposite side; Secondly, labeled door should reach a super simple instructions for use pushing away namely to open in so relatively airtight tunnel; Finally, be in driving states in opposite side tunnel when considering the personnel amount of evacuating in tunnel and evacuate, for the sake of security, door leaf should not be too roomy, after preventing from opening, bring adverse effect to the normal driving in opposite side tunnel; Certain labeled door also will ensure enough evacuation capacities.
Common flat opening labeled door can only close certain side rotation of position, place to door leaf, door leaf slewing area can not be expanded to the both sides that door leaf closes position, place, consider that the opening direction of labeled door must be evacuate direction, so common flat opening labeled door cannot meet the instructions for use (namely not possessing the function of two-way evacuation) under bidirectional tunnel condition in emergency situations.Although labeled door also can play evacuation effect after the rightabout evacuating direction is opened, this is ideal state; When after tunnel, side generation emergency (as fire etc.), unordered situation about fighting for can be there is in the crowd in tunnel in panic situation, if labeled door opens against evacuation direction, then door opener may cannot pull open labeled door backward because of crowded by rear; Even if labeled door has been opened, the reset function of labeled door has made again labeled door have the tendency of closedown constantly, needs the pulling force that evacuee keeps fireproof door leaf, and when this just causes evacuation, crowd can not the smooth and easy phenomenon by labeled door.If labeled door can bidirectional opening, then Evacuation only need march forward, and can push labeled door open by nature, avoids labeled door not open or Evacuation can not the smooth and easy phenomenon by labeled door.
As well known to those skilled in the art, two-way open/close door leaf cannot stitch plate by mounting cover, thus cannot realize sealing, fire-proof smoke-proof effect can not be played.Consider that rear pyrotechnics on fire has rise effect, therefore need the upper end of door leaf and removable side (the fixing side relative to connection rotating shaft) to be designed to hermetically-sealed construction, need when namely door leaf cuts out to form hermetically-sealed construction, to play the effect of fire-proof smoke-proof.This present situation prevents existing two-way open/close door leaf to apply to labeled door technical field, even if be used as fire-proof door leaf, also cannot ensure sealing effectiveness.
At present, market does not have can bidirectional opening, tunnel traffic safety can be ensured, the steel-made fire-retardant door of enough evacuation capacities can be ensured again, certainly more not have simultaneously can ensure the biparting two-way keying steel-made fire-retardant door of the flat opening of sealing effectiveness.
Summary of the invention
The object of the present invention is to provide the biparting two-way keying steel-made fire-retardant door of a kind of flat opening.
The present invention also aims to the preparation method that the biparting two-way keying steel-made fire-retardant door of a kind of above-mentioned flat opening is provided.
The present invention also aims to the preparation method that the biparting two-way keying steel-made fire-retardant door of another kind of above-mentioned flat opening is provided.
For realizing the first goal of the invention above-mentioned, the biparting two-way keying steel-made fire-retardant door of flat opening of the present invention comprises steel doorframe and steel door leaf, during use, steel door frame to be fixedly connected on tunnel body of wall and to form labeled door outer boundary, described door leaf comprises the first door leaf and the second door leaf, and the first door leaf and the second door leaf are rotatably connected on described doorframe by steel sleeve hinge structure; Steel sleeve hinge structure comprises the steel frame sleeve hinge cover be connected on doorframe, is connected in the steel fan sleeve hinge cover on door leaf and is located in the steel sleeve hinge pin in described frame sleeve hinge cover and fan sleeve hinge cover, and the two ends of sleeve hinge pin are connected on doorframe.
Described frame sleeve hinge cover and fan sleeve hinge cover to be arranged alternately and the two merging length equals the length of door leaf side along the length direction of sleeve hinge pin; Described frame sleeve hinge cover is identical with the internal diameter of fan sleeve hinge cover, and the external diameter of described sleeve hinge pin and frame sleeve cut with scissors and overlap and fan sleeve to cut with scissors the internal diameter overlapped suitable.
The opposite flank of described first door leaf and described second door leaf is the free side away from sleeve hinge pin, and free side is provided with touching column formula hermetically-sealed construction, realizes sealing when door leaf cuts out between the first door leaf and the second door leaf by touching column formula hermetically-sealed construction; Described touching column formula hermetically-sealed construction comprises and is arranged on touching groove structure and being arranged on the touching column structure in the second door leaf or the first door leaf free side in the first door leaf or the second door leaf free side; The elongated slot that the middle part that described touching column structure is included in door leaf free side is arranged along this side length direction, the side that described elongated slot closes on described sleeve hinge is provided with 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; On backup plate, uniform intervals is provided with horizontally disposed steel cylinder along its length, is provided with brute spring in steel cylinder; Door leaf is respectively equipped with baffle plate in the notch both sides of elongated slot, forms touching column and protrude mouth between two side shields; Steel semi-cylindrical touching column is provided with along its length in elongated slot, the diameter of touching column is greater than the width that described touching column protrudes mouth, the side of touching column is arc surface and its opposite side is plane, the plane of touching column is interval with the circular hole corresponding with described steel cylinder along its length, and the arc surface of touching column protrudes mouth near described touching column; The internal diameter of described circular hole is greater than the external diameter of described steel cylinder, and described brute spring one end is pressed on backup plate and its other end stretches into described circular hole and forces together with touching column top; The described semicircle touching column groove touching middle part that groove structure is included in door leaf free side and arrange along this side length direction, the arc surface of this touching column groove and described touching column is suitable, and the surface of described touching column groove is provided with fire proof seal adhesive tape along its length.
Be provided with steel tank along crossbeam length direction in described doorframe upper beam, described steel tank is provided with steel tank opening in crossbeam bottom surface along crossbeam length direction; Be provided with cylindrical steel column in steel tank, the diameter of steel column is greater than the width of steel tank opening; Described door leaf end face is provided with the steel column groove suitable with described steel column along the width of door leaf, and the bottom of steel column groove is provided with fire proof seal adhesive tape along groove length direction.
Two sides of the first door leaf and the second door leaf are all provided with door leaf extension spring firmware, when first door leaf and the second door leaf are positioned at full open position, the tunnel body of wall corresponding with each door leaf extension spring firmware is provided with body of wall extension spring firmware, is connected with extension spring between each door leaf extension spring firmware body of wall extension spring firmware corresponding thereto.
Described 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 door leaf side; Described each extension spring is all provided with turnbuckle.
Described door leaf is the hollow body made by steel plate, and fire-proof heat-insulating material filler is filled in door leaf inside.
for realizing above-mentioned the second goal of the invention, the preparation method of the biparting two-way keying steel-made fire-retardant door of flat opening of the present invention is carried out successively according to the following steps:
1, side is provided with touching column steel door frame with frame sleeve hinge cover and top rail is made; 2, make the first door leaf with fan sleeve hinge cover and the second door leaf, make steel column groove in the upper surface of the first door leaf and the second door leaf, at steel column bottom portion of groove, fire proof seal adhesive tape is set along groove length direction; Make respectively in the free side of the first door leaf and the second door leaf and touch groove structure and touching column structure, comprise installation backup plate, make semi-cylindrical touching column and also in the plane of touching column, bore circular hole along touching column length direction interval; Touching column is arranged in the elongated slot of door leaf free side; Make and the suitable steel cylinder of described circular hole and the brute spring suitable with described steel cylinder, steel cylinder is connected on backup plate, brute spring is located in steel cylinder, brute spring one end is pressed on backup plate and other end press-in touching column circular hole; 3, sleeve hinge pin is made; 4, sleeve hinge pin is penetrated frame sleeve hinge cover and fan sleeve hinge cover, thus connect door leaf and doorframe; 5, fix overall for labeled door with tunnel body of wall; 6, door leaf extension spring firmware is set on two sides of each door leaf, the tunnel body of wall corresponding with each door leaf extension spring firmware arranges body of wall extension spring firmware; Between each door leaf extension spring firmware and corresponding body of wall extension spring firmware, connect extension spring, and adjust the pretightning force of extension spring.
for realizing the third goal of the invention above-mentioned, the preparation method of the biparting two-way keying steel-made fire-retardant door of flat opening of the present invention is carried out successively according to the following steps:
1, make the steel door frame that top rail is provided with touching column, doorframe and tunnel body of wall are fixed; 2, make frame sleeve hinge cover, fan sleeve hinge cover and sleeve hinge pin, and frame sleeve gum cover and fan sleeve hinge cover are alternately enclosed within sleeve hinge pin; 3, the two ends up and down of sleeve hinge pin are fixed on doorframe, and frame sleeve hinge cover is connected with doorframe; 4, make door leaf, comprise the first door leaf and the second door leaf, make steel column groove in the upper surface of the first door leaf and the second door leaf, at steel column bottom portion of groove, fire proof seal adhesive tape is set along groove length direction; Make respectively in the free side of the first door leaf and the second door leaf and touch groove structure and touching column structure, comprise installation backup plate, make semi-cylindrical touching column and also in the plane of touching column, bore circular hole along touching column length direction interval; Touching column is arranged in the elongated slot of door leaf free side; Make and the suitable steel cylinder of described circular hole and the brute spring suitable with described steel cylinder, steel cylinder is connected on backup plate, brute spring is located in steel cylinder, brute spring one end is pressed on backup plate and other end press-in touching column circular hole; 5, door leaf is cut with scissors to overlap be connected with fan sleeve.6, door leaf extension spring firmware is set on two sides of each door leaf, the tunnel body of wall corresponding with each door leaf extension spring firmware arranges body of wall extension spring firmware; Between each door leaf extension spring firmware and corresponding body of wall extension spring firmware, connect extension spring, and adjust the pretightning force of extension spring.
The present invention has following advantage:
1. bidirectional tunnel labeled door is single door in the past, the traffic safety that wide words can affect opposite side tunnel (singly fans labeled door when ensureing percent of pass, door leaf is wider, suddenly likely collide with the traffick in opposite side tunnel after all opening or paroxysmal bad psychological impact is produced to the driver in driving), narrow, enough evacuation capacities can not be ensured, current safety and evacuation capacity can not be taken into account.Present employing double door, when just starting to evacuate, the Yishanmen that the people of runner first opens wherein passes through, and does not therefore have the phenomenon that a large amount of personnel pour in suddenly opposite side tunnel.When evacuation personnel concentrate on labeled door place in a large number by time, two fan doors all will inevitably be opened again, thus ensure enough evacuation capacities; Now because the personnel in advance by labeled door form early warning effect in opposite side tunnel, the vehicle passed through in this side has been noted that evacuation phenomenon, therefore also can not cause Exploration on Train Operation Safety.Meanwhile, when door opening size is identical, double door door leaf width is the half of single door door leaf width, therefore under the prerequisite ensureing evacuation capacity, even if two door leafs throw open simultaneously also can not have an impact to tunnel driving.
So both ensure that tunnel traffic safety, in turn ensure that enough evacuation capacities.Be rotatably connected by sleeve hinge structure between doorframe and door leaf, sleeve is utilized to cut with scissors the requirement reaching Ping Kai and two-way keying, when door leaf is rotated centered by sleeve hinge pin, its rotational angle is only limited to tunnel body of wall (tunnel Zhong Qiang), rotational angle can be more than or equal to 180 degree, ensure that its opening direction has two-way feature, can be pushed open to opposite side channel direction by tunnel either side passage, thus meet the evacuation requirement under bidirectional tunnel condition.Labeled door can play the effect of fire prevention stifled cigarette when closing, what stop pyrotechnics spreads diffusion.
2. frame sleeve hinge cover and fan sleeve hinge cover to be arranged alternately and the two merging length equals the length of door leaf side along the length direction of sleeve hinge pin, doorframe, door leaf and sleeve are cut with scissors stressed more even, increase the service life; Overlap identical with door leaf with the length of fan sleeve hinge cover with time-frame sleeve hinge, this also avoids door leaf side has the expose portion be exposed to outside sleeve hinge, thus avoids cigarette, fire etc. to fall apart in opposite side tunnel passage by expose portion is excessive.
3. touching column formula hermetically-sealed construction arranges simply, can ensure the sealing effectiveness at this place when door leaf cuts out, and is convenient to manufacture simultaneously.During use, touching column protrudes the notch of elongated slot under the effect of brute spring.When door leaf cuts out, no matter door leaf by which direction cuts out, and touching column all can move when two door leafs collide mutually, be compressed by each brute spring in elongated slot, and two door leafs cut out; After the dead in line of two door leafs (now door leaf cuts out and puts in place), touching column circular arc top is given prominence to 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 that described touching column protrudes mouth, and when ensure that door leaf is opened, touching column can not depart from door leaf under the thrust of brute spring.
4. when door leaf cuts out, steel column falls into steel column groove in the effect of self gravitation, and is pressed in the fire proof seal adhesive tape at this place, thus plays the effect of good fire-proof smoke-proof.This structure makes two-way open/close door leaf also can form good sealing effectiveness without mounting cover seam plate, solves the technical problem that cannot seal when two-way open/close door leaf is closed in the past.When door leaf of the present invention is opened, the diameter due to steel column is greater than the width of steel tank opening, and therefore steel column can be stuck in steel tank opening part and can not drop from doorframe crossbeam.
5. after evacuating personnel, under the effect of tension spring tension, door leaf will automatically reset to fastening position, thus play the effect of automatic fire prevention Smoke prevention.Owing to being all provided with extension spring in the both sides of each door leaf, no matter be therefore to which direction evacuate, evacuate complete can extension spring effect under 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 door leaf side, can either complete the task of the door leaf that automatically resets, and can not hinder passing through of personnel again when evacuating.The pretightning force regulating each extension spring is convenient in the setting of turnbuckle.
7. fire-proof heat-insulating material filler is filled in door leaf inside, after on fire in tunnel, side passage, can make the temperature of labeled door opposite side door leaf side can not be too high, make the present invention in use have more safety.
8. preparation method of the present invention is simple and convenient, and efficiency is higher.Two kinds of preparation methods improve flexibility during making, can select preparation method preferably according to actual conditions.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention after removing extension spring under door leaf closure state;
Fig. 2 is the structural representation of sleeve hinge pin;
Fig. 3 is the structural representation of doorframe;
Fig. 4 is the structural representation under door leaf closure state;
Fig. 5 is the A-A sectional view of Fig. 1;
Fig. 6 is the enlarged drawing at A place in Fig. 5;
Fig. 7 is the B-B sectional view of Fig. 1;
Fig. 8 be during door leaf is opened or closed in time Fig. 1 B-B sectional view;
Fig. 9 is the enlarged drawing at B place in Fig. 8;
Figure 10 is the horizontal sectional view of the present invention and tunnel body of wall under door leaf half-open position;
Figure 11 is the structure for amplifying schematic diagram at C place in Figure 10;
Figure 12 is the horizontal sectional view of the present invention and tunnel body of wall after door leaf is opened to side;
Figure 13 is the horizontal sectional view of the present invention and tunnel body of wall after door leaf is opened to opposite side.
Detailed description of the invention
Embodiment one
As shown in Figures 1 to 10, the biparting two-way keying steel-made fire-retardant door of flat opening of the present invention comprises steel doorframe 1 and steel door leaf, during use, steel door frame 1 to be fixedly connected on tunnel body of wall 4 and to form labeled door outer boundary, described door leaf is comprised the first door leaf 2 and the second door leaf 3, first door leaf 2 and the second door leaf 3 and is rotatably connected on described doorframe 1 by steel sleeve hinge structure.Two sides on first door leaf 2 and the second door leaf 3 are all provided with handle 5.
As shown in Figures 1 to 4, steel sleeve hinge structure comprises the steel frame sleeve hinge cover 6 be connected on doorframe 1, is connected in the steel fan sleeve hinge cover 7 on door leaf and is located in the steel sleeve hinge pin 8 in described frame sleeve hinge cover 6 and fan sleeve hinge cover 7, and the two ends of sleeve hinge pin 8 are connected on doorframe 1.
As shown in Figures 1 to 4, described frame sleeve hinge cover 6 and fan sleeve hinge cover 7 to be arranged alternately and the two merging length equals the length of door leaf side along the length direction of sleeve hinge pin 8; The internal diameter of described frame sleeve hinge cover 6 and fan sleeve hinge cover 7 is identical, and the external diameter of described sleeve hinge pin 8 and frame sleeve cut with scissors cover 6 and fan sleeve that to cut with scissors the internal diameter of cover 7 suitable, and the external diameter of sleeve hinge pin 8 is slightly less than the internal diameter that frame sleeve cuts with scissors cover 6.
As shown in Fig. 5, Fig. 6 and Fig. 1 to Fig. 4, the opposite flank of described first door leaf 2 and described second door leaf 3 is the free side away from sleeve hinge pin 8, free side is provided with touching column formula hermetically-sealed construction, realizes sealing when door leaf cuts out between the first door leaf 2 and the second door leaf 3 by touching column formula hermetically-sealed construction.
Described touching column formula hermetically-sealed construction comprises and is arranged on touching groove structure and being arranged on the touching column structure in the second door leaf 3 or the first door leaf 2 free side in the first door leaf 2 or the second door leaf 3 free side.
As shown in Fig. 5, Fig. 6 and Fig. 1 to Fig. 4, the elongated slot 9 that the middle part that described touching column structure is included in door leaf free side is arranged along this side length direction (i.e. the vertical direction on vertical and ground), the side that described elongated slot 9 closes on described 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; On backup plate 11, uniform intervals is provided with horizontally disposed steel cylinder 12 along its length, is provided with brute spring 13 in steel cylinder 12; Door leaf is respectively equipped with baffle plate 14 in the notch both sides of elongated slot 9, forms touching column and protrude mouth 15 between two side shields 14; Steel semi-cylindrical touching column 16 is provided with along its length in elongated slot 9, the diameter of touching column 16 is greater than the width that described touching column protrudes mouth 15, the side of touching column 16 is arc surface and its opposite side is plane, in the plane of touching column 16, uniform intervals is provided with the circular hole 17 corresponding with described steel cylinder 12 along its length, and the arc surface of touching column 16 protrudes mouth 15 near described touching column; The internal diameter of described circular hole 17 slightly larger than described steel cylinder 12 external diameter (when door leaf close, touching column 16 bounce back time steel cylinder 12 can insert in circular hole 17), described brute spring 13 one end is pressed on backup plate 11 and its other end stretches into described circular hole 17 and pushes up with touching column 16 and forces together; Spring 13 length is as the criterion to ensure that touching column 16 can normally eject and bounce back.
As shown in Fig. 6 and Fig. 1 to Fig. 5, the described semicircle touching column groove 18 touching middle part that groove structure is included in door leaf free side and arrange along this side length direction, this touching column groove 18 is suitable with the arc surface of described touching column 16, and the surface middle part of described touching column groove 18 is provided with fire proof seal adhesive tape 19 along its length.
As shown in Fig. 7, Fig. 8, Fig. 9 and Fig. 1, be provided with steel tank 21 along crossbeam length direction in described doorframe upper beam 1A, described steel tank 21 is provided with steel tank opening 22 in crossbeam bottom surface along crossbeam length direction; Be provided with cylindrical steel column 23 in steel tank 21, the diameter of steel column 23 is greater than the width of steel tank opening 22.
Width along door leaf on described door leaf (comprising the first door leaf 2 and the second door leaf 3) end face is provided with the steel column groove 24 suitable with described steel column 23, and the bottom of steel column groove 24 is provided with fire proof seal adhesive tape 19 along groove length direction.
As shown in Figure 10, Figure 11, two sides of the first door leaf 2 and the second door leaf 3 are all provided with door leaf extension spring firmware 25, when first door leaf 2 and the second door leaf 3 are positioned at full open position, the tunnel body of wall 4 corresponding with each door leaf extension spring firmware 25 is provided with body of wall extension spring firmware 26, is connected with extension spring 27 between each door leaf extension spring firmware 25 body of wall extension spring firmware 26 corresponding thereto.Described 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 door leaf side; Described each extension spring 27 is all provided with turnbuckle 28.
Wherein, as shown in Fig. 5 and Fig. 1, described door leaf is the hollow body made by steel plate, and fire-proof heat-insulating material filler 29 is filled in door leaf inside, and filler 29 needs the requirement meeting the concerned countries standards such as " GB 12955-2008 " (labeled door).
During evacuation, as shown in Figure 12 and Figure 13 (in Figure 12 and Figure 13, the direction of arrow is depicted as and evacuates direction), door leaf of the present invention (comprising the first door leaf 2 and the second door leaf 3) can bidirectional opening, when just starting to evacuate, the Yishanmen that the people of runner first opens wherein passes through, and does not therefore have the phenomenon that a large amount of personnel pour in suddenly opposite side tunnel.When evacuation personnel concentrate on labeled door place in a large number by time, two fan doors all will inevitably be opened again, thus ensure enough evacuation capacities; Now because the personnel in advance by labeled door form early warning effect in opposite side tunnel, the vehicle passed through in this side has been noted that evacuation phenomenon, therefore also can not cause Exploration on Train Operation Safety.So both ensure that tunnel traffic safety, in turn ensure that enough evacuation capacities.The present invention utilizes sleeve to cut with scissors structure to reach the requirement of Ping Kai and two-way keying, when door leaf is rotated centered by sleeve hinge pin 8, its rotational angle is only limited to body of wall 4(tunnel, tunnel Zhong Qiang), maximum rotation angle is more than or equal to 180 degree, ensure that its opening direction has two-way feature, can be pushed open to opposite side channel direction by tunnel either side passage, thus meet the evacuation requirement under bidirectional tunnel condition.
The present embodiment additionally provides the preparation method of the biparting two-way keying steel-made fire-retardant door of a kind of above-mentioned flat opening, and the method is carried out successively according to the following steps:
1, side is provided with touching column 16 steel door frame 1 with frame sleeve hinge cover 6 and top rail is made;
2, make the first door leaf 2 and the second door leaf 3 with fan sleeve hinge cover 7, make steel column groove in the upper surface of the first door leaf 2 and the second door leaf 3, at steel column bottom portion of groove, fire proof seal adhesive tape 19 is set along groove length direction; Make respectively touch groove structure and touching column 16 structure in the free side (opposite flank of fan sleeve hinge cover 7) of the first door leaf 2 and the second door leaf 3, comprise and backup plate 11 is installed, make semi-cylindrical touching column 16 and get out circular hole 17 along touching column 16 length direction interval in the plane of touching column 16; Touching column 16 is arranged in the elongated slot 9 of door leaf free side; Make the steel cylinder 12 suitable with described circular hole 17 and the brute spring 13 suitable with described steel cylinder 12, steel cylinder 12 is connected on backup plate 11, brute spring 13 is located in steel cylinder 12, brute spring 13 one end is pressed on backup plate 11 and other end press-in touching column circular hole 17;
3, sleeve hinge pin 8 is made;
4, sleeve hinge pin 8 is penetrated frame sleeve hinge cover 6 and fan sleeve hinge cover 7, thus connect door leaf and doorframe 1;
5, fix overall for labeled door with tunnel body of wall 4;
6, door leaf extension spring firmware 25 is set on two sides of each door leaf, the tunnel body of wall 4 corresponding with each door leaf extension spring firmware 25 arranges body of wall extension spring firmware 26; Between each door leaf extension spring firmware 25 and corresponding body of wall extension spring firmware 26, connect extension spring 27, and adjust the pretightning force of extension spring 27.
Embodiment two
The present embodiment and the difference of embodiment one are that the preparation method of the biparting two-way keying steel-made fire-retardant door of described flat opening is different, and the preparation method of the 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 and tunnel body of wall 4 are fixed;
2, make frame sleeve hinge cover 6, fan sleeve hinge cover 7 and sleeve hinge pin 8, and frame sleeve gum cover and fan sleeve hinge cover 7 are alternately enclosed within sleeve hinge pin 8;
3, the two ends up and down of sleeve hinge pin 8 are fixed on doorframe 1, and frame sleeve hinge cover 6 is connected with doorframe 1;
4, make door leaf, comprise the first door leaf 2 and the second door leaf 3, make steel column groove in the upper surface of the first door leaf 2 and the second door leaf 3, at steel column bottom portion of groove, fire proof seal adhesive tape 19 is set along groove length direction; Make respectively touch groove structure and touching column 16 structure in the free side (opposite flank of fan sleeve hinge cover 7) of the first door leaf 2 and the second door leaf 3, comprise and backup plate 11 is installed, make semi-cylindrical touching column 16 and get out circular hole 17 along touching column 16 length direction interval in the plane of touching column 16; Touching column 16 is arranged in the elongated slot 9 of door leaf free side; Make the steel cylinder 12 suitable with described circular hole 17 and the brute spring 13 suitable with described steel cylinder 12, steel cylinder 12 is connected on backup plate 11, brute spring 13 is located in steel cylinder 12, brute spring 13 one end is pressed on backup plate 11 and other end press-in touching column circular hole 17;
5, door leaf is cut with scissors cover 7 with fan sleeve to be connected.
6, door leaf extension spring firmware 25 is set on two sides of each door leaf, the tunnel body of wall 4 corresponding with each door leaf extension spring firmware 25 arranges body of wall extension spring firmware 26; Between each door leaf extension spring firmware 25 and corresponding body of wall extension spring firmware 26, connect extension spring 27, and adjust the pretightning force of extension spring 27.
Claims (8)
1. the biparting two-way keying steel-made fire-retardant door of flat opening, it is characterized in that: comprise steel doorframe and steel door leaf, during use, steel door frame to be fixedly connected on tunnel body of wall and to form labeled door outer boundary, described door leaf comprises the first door leaf and the second door leaf, and the first door leaf and the second door leaf are rotatably connected on described doorframe by steel sleeve hinge structure;
Steel sleeve hinge structure comprises the steel frame sleeve hinge cover be connected on doorframe, is connected in the steel fan sleeve hinge cover on door leaf and is located in the steel sleeve hinge pin in described frame sleeve hinge cover and fan sleeve hinge cover, and the two ends of sleeve hinge pin are connected on doorframe;
Described frame sleeve hinge cover and fan sleeve hinge cover to be arranged alternately and the two merging length equals the length of door leaf side along the length direction of sleeve hinge pin; Described frame sleeve hinge cover is identical with the internal diameter of fan sleeve hinge cover, and the external diameter of described sleeve hinge pin and frame sleeve cut with scissors and overlap and fan sleeve to cut with scissors the internal diameter overlapped suitable.
2. the biparting two-way keying steel-made fire-retardant door of flat opening according to claim 1, is characterized in that:
The opposite flank of described first door leaf and described second door leaf is the free side away from sleeve hinge pin, and free side is provided with touching column formula hermetically-sealed construction, realizes sealing when door leaf cuts out between the first door leaf and the second door leaf by touching column formula hermetically-sealed construction;
Described touching column formula hermetically-sealed construction comprises and is arranged on touching groove structure and being arranged on the touching column structure in the second door leaf or the first door leaf free side in the first door leaf or the second door leaf free side;
The elongated slot that the middle part that described touching column structure is included in door leaf free side is arranged along this side length direction, the side that described elongated slot closes on described sleeve hinge is provided with 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; On backup plate, uniform intervals is provided with horizontally disposed steel cylinder along its length, is provided with brute spring in steel cylinder; Door leaf is respectively equipped with baffle plate in the notch both sides of elongated slot, forms touching column and protrude mouth between two side shields; Steel semi-cylindrical touching column is provided with along its length in elongated slot, the diameter of touching column is greater than the width that described touching column protrudes mouth, the side of touching column is arc surface and its opposite side is plane, the plane of touching column is interval with the circular hole corresponding with described steel cylinder along its length, and the arc surface of touching column protrudes mouth near described touching column; The internal diameter of described circular hole is greater than the external diameter of described steel cylinder, and described brute spring one end is pressed on backup plate and its other end stretches into described circular hole and forces together with touching column top;
The described semicircle touching column groove touching middle part that groove structure is included in door leaf free side and arrange along this side length direction, the arc surface of this touching column groove and described touching column is suitable, and the surface of described touching column groove is provided with fire proof seal adhesive tape along its length.
3. the biparting two-way keying steel-made fire-retardant door of flat opening according to any one of claim 1 to 2, is characterized in that:
Be provided with steel tank along crossbeam length direction in described doorframe upper beam, described steel tank is provided with steel tank opening in crossbeam bottom surface along crossbeam length direction; Be provided with cylindrical steel column in steel tank, the diameter of steel column is greater than the width of steel tank opening;
Described door leaf end face is provided with the steel column groove suitable with described steel column along the width of door leaf, and the bottom of steel column groove is provided with fire proof seal adhesive tape along groove length direction.
4. the biparting two-way keying steel-made fire-retardant door of flat opening according to claim 3, is characterized in that:
Two sides of the first door leaf and the second door leaf are all provided with door leaf extension spring firmware, when first door leaf and the second door leaf are positioned at full open position, the tunnel body of wall corresponding with each door leaf extension spring firmware is provided with body of wall extension spring firmware, is connected with extension spring between each door leaf extension spring firmware body of wall extension spring firmware corresponding thereto.
5. the biparting two-way keying steel-made fire-retardant door of flat opening according to claim 4, is characterized in that:
Described 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 door leaf side; Described each extension spring is all provided with turnbuckle.
6. the biparting two-way keying steel-made fire-retardant door of flat opening according to any one of claim 1 to 2, is characterized in that:
Described door leaf is the hollow body made by steel plate, and fire-proof heat-insulating material filler is filled in door leaf inside.
7. the preparation method of the biparting two-way keying steel-made fire-retardant door of flat opening described in claim 4, is characterized in that carrying out according to the following steps successively:
1, side is provided with touching column steel door frame with frame sleeve hinge cover and top rail is made;
2, make the first door leaf with fan sleeve hinge cover and the second door leaf, make steel column groove in the upper surface of the first door leaf and the second door leaf, at steel column bottom portion of groove, fire proof seal adhesive tape is set along groove length direction; Make respectively in the free side of the first door leaf and the second door leaf and touch groove structure and touching column structure, comprise installation backup plate, make semi-cylindrical touching column and also in the plane of touching column, bore circular hole along touching column length direction interval; Touching column is arranged in the elongated slot of door leaf free side; Make and the suitable steel cylinder of described circular hole and the brute spring suitable with described steel cylinder, steel cylinder is connected on backup plate, brute spring is located in steel cylinder, brute spring one end is pressed on backup plate and other end press-in touching column circular hole;
3, sleeve hinge pin is made;
4, sleeve hinge pin is penetrated frame sleeve hinge cover and fan sleeve hinge cover, thus connect door leaf and doorframe;
5, fix overall for labeled door with tunnel body of wall;
6, door leaf extension spring firmware is set on two sides of each door leaf, the tunnel body of wall corresponding with each door leaf extension spring firmware arranges body of wall extension spring firmware; Between each door leaf extension spring firmware and corresponding body of wall extension spring firmware, connect extension spring, and adjust the pretightning force of extension spring.
8. the preparation method of the biparting two-way keying steel-made fire-retardant door of flat opening described in claim 4, is characterized in that carrying out according to the following steps successively:
1, make the steel door frame that top rail is provided with touching column, doorframe and tunnel body of wall are fixed;
2, make frame sleeve hinge cover, fan sleeve hinge cover and sleeve hinge pin, and frame sleeve gum cover and fan sleeve hinge cover are alternately enclosed within sleeve hinge pin;
3, the two ends up and down of sleeve hinge pin are fixed on doorframe, and frame sleeve hinge cover is connected with doorframe;
4, make door leaf, comprise the first door leaf and the second door leaf, make steel column groove in the upper surface of the first door leaf and the second door leaf, at steel column bottom portion of groove, fire proof seal adhesive tape is set along groove length direction; Make respectively in the free side of the first door leaf and the second door leaf and touch groove structure and touching column structure, comprise installation backup plate, make semi-cylindrical touching column and also in the plane of touching column, bore circular hole along touching column length direction interval; Touching column is arranged in the elongated slot of door leaf free side; Make and the suitable steel cylinder of described circular hole and the brute spring suitable with described steel cylinder, steel cylinder is connected on backup plate, brute spring is located in steel cylinder, brute spring one end is pressed on backup plate and other end press-in touching column circular hole;
5, door leaf is cut with scissors to overlap be connected with fan sleeve;
6, door leaf extension spring firmware is set on two sides of each door leaf, the tunnel body of wall corresponding with each door leaf extension spring firmware arranges body of wall extension spring firmware; Between each door leaf extension spring firmware and corresponding body of wall extension spring firmware, connect extension spring, and adjust the pretightning force of extension spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210168140.0A CN102650187B (en) | 2012-05-28 | 2012-05-28 | Side-opening double-leaf two-way opening and closing steel fireproof door and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210168140.0A CN102650187B (en) | 2012-05-28 | 2012-05-28 | Side-opening double-leaf two-way opening and closing steel fireproof door and manufacturing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102650187A CN102650187A (en) | 2012-08-29 |
| CN102650187B true CN102650187B (en) | 2015-07-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210168140.0A Expired - Fee Related CN102650187B (en) | 2012-05-28 | 2012-05-28 | Side-opening double-leaf two-way opening and closing steel fireproof door and manufacturing method thereof |
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| Country | Link |
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| CN (1) | CN102650187B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2539135A (en) * | 2013-07-11 | 2016-12-07 | Kingsway Entpr (Uk) Ltd | Door safety hinge |
| CN107100487B (en) * | 2017-06-14 | 2022-09-20 | 浙江东方大港大河工程塑料有限公司 | Watertight window frame convenient to dismouting |
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| CN202596507U (en) * | 2012-05-28 | 2012-12-12 | 郑州市市政工程总公司 | Flat-opening double-sash bidirectional opening-closing steel fireproof door |
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|---|---|---|---|---|
| US4809402A (en) * | 1985-11-01 | 1989-03-07 | Rockwell International Corporation | Non-metallic composite piano hinge |
| CN2392892Y (en) * | 1999-11-09 | 2000-08-23 | 李永陵 | Concave-slot type sliding anti-theft door capable of internally and outernally opening |
| CN2440919Y (en) * | 2000-09-21 | 2001-08-01 | 陈周林 | Bidirectionaly opened security door |
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| Publication number | Publication date |
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| CN102650187A (en) | 2012-08-29 |
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Inventor after: Wu Jidong Inventor after: Wang Yujie Inventor after: Ren Zongwu Inventor after: Li Xiaolei Inventor after: Guo Weihong Inventor after: Liu Yong Inventor after: Chai Feng Inventor after: Tao Sixiao Inventor after: Zhang Zhiji Inventor after: Duan Yufu Inventor after: Xing Huijie Inventor after: Wang Baoding Inventor after: Zhang Baolei Inventor after: Yang Yongteng Inventor after: Shen Guochao Inventor after: Zhou Jieming Inventor after: Sun Baosheng Inventor after: Duo Huayong Inventor after: Wang Mingyuan Inventor after: Chen Bo Inventor after: Zhang Shuangmei Inventor after: Shang Ke Inventor after: Guo Wei Inventor after: Guang Junwei Inventor before: Wu Jidong Inventor before: Wang Yujie Inventor before: Ren Zongwu Inventor before: Li Xiaolei Inventor before: Guo Weihong Inventor before: Liu Yong Inventor before: Chai Feng Inventor before: Tao Sixiao Inventor before: Zhang Zhiji Inventor before: Duan Yufu Inventor before: Xing Huijie Inventor before: Wang Baoding Inventor before: Zhang Baolei Inventor before: Yang Yongteng Inventor before: Shen Guochao Inventor before: Zhou Jieming Inventor before: Sun Baosheng Inventor before: Duo Huayong Inventor before: Wang Mingyuan Inventor before: Chen Bo Inventor before: Zhang Shuangmei Inventor before: Shang Ke Inventor before: Guo Wei Inventor before: Guang Junwei |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150715 Termination date: 20210528 |