CN2736511Y

CN2736511Y - Steel anti-knocking door

Info

Publication number: CN2736511Y
Application number: CN 200420090943
Authority: CN
Inventors: 凌惠明; 尹新伯; 范祖良
Original assignee: SHANGHAI SENLIN SPECIAL TYPE STEEL DOOR CO Ltd
Current assignee: SHANGHAI SENLIN SPECIAL TYPE STEEL DOOR CO Ltd
Priority date: 2004-10-12
Filing date: 2004-10-12
Publication date: 2005-10-26
Anticipated expiration: 2014-10-12

Abstract

The utility model relates to a steel anti-knocking door, particularly an architectural externally used door, and the utility model solves the technical problem that a steel door which can bear the pressure of explosive shock wave is provided. The utility model is composed of a door frame, a door leaf, a door hinge, a handle lock and a three-way linkage latch lock. The utility model is characterized in that the door stop on the inner side of the door frame is provided with a groove, and a sealing rubber strip is inlaid into the groove; the middle of the door frame at the same side of the hinge is provided with a counter-force stopping block; the door leaf frame adopts cube-corner pipe materials as a leaf frame and rectangular pipes as leaf ribs to be welded and form the door leaf, the cavity in the frame sash is filled with flame retardant materials, the thickness of the door leaf faceplate is 3 mm, the thickness of the door leaf inner plate is 2 mm, and four side edges of the door leaf are pasted with anti-smoke strips; a centre-regulating ball bearing is arranged in an upper hinge base, and a centre-regulating ball bearing and a thrust ball bearing are arranged in a lower hinge base; an upper latch component of the three-way linkage latch lock of the door leaf is provided with a self-closing hook, and the door stop corresponding to the self-closing hook is matched with a self-closing hook spacing bump block. The utility model is suitable for the anti-knocking door which can bear the pressure of explosive shock wave of 50 Kpa and below 50 Kpa.

Description

The steel blast-resistant door

Technical field

The utility model relates to the external application door of resisting the building that may blast in the external world.

Background technology

Resist the building external door that to blast in the external world at present and comprise that single open-door, double door, composite door all adopt common steel door.

Common steel door mainly is made up of doorframe, door leaf, door hinge, door closer, hand holding lock, three-dimensional interlock latch lock.The doorframe inner peripheral has a shelves, stile's fixed block in the upper and lower crossbeam of double door doorframe also has, and middle stile is detachable, and middle stile upper/lower terminal usefulness connector is connected with fixed block on the crossbeam, and the dual-side of middle stile also has a shelves; Door leaf is made by fan frame, fan rib, door face board, the welding of door back veneer, side of door leaf and doorframe hinge assemblies, and door leaf upper end dress door closer is equipped with hand holding lock on the door leaf and the latch upper and lower, that the side three-dimensional links is locked; Two fan door sheets of double door are all adorned three-dimensional interlock latch lock; Female door dress three-dimensional interlock latch lock of composite door, cervical orifice of uterus is not adorned lock, only adorns fixation clip.

Need the extraneous building that may have explosion danger of prevention, as use common steel door under the effect of explosion wave, to be difficult to keep out the pressure of explosion wave, can produce permanent deformation, even damage the door leaf structure, can't ensure when blasting in the building the intact of equipment in staff's the safety and building.

The utility model content

The utility model need solve the use limitation that common steel door is difficult to resist the blast impulse wave pressure and ask Questions, a kind of antiknock is provided, anti-ly penetrates, the blast-resistant door of fire prevention, good leak tightness.

The technical solution of the utility model is made up of doorframe, door leaf, door hinge, hand holding lock and three-dimensional interlock latch lock, it is characterized in that the door shelves of doorframe inner peripheral are shaped on groove, and door shelves groove is embedded in rubber weather strip; With the doorframe middle dress counter-force block of upper and lower hinge with side; Door leaf skeleton adopts the tubing of corner to constitute for the welding of fan rib for fan frame, rectangular tube, fills fire proofing in the cavity that the skeleton sash forms, and 3 millimeters of door skin thickness, 2 millimeters of door leaf back veneer thickness, four sides of door leaf are pasted with anti-plume; Self-aligning ball bearing is housed in the upper hinge seat, in the hinge seat self-aligning ball bearing and thrust ball bearing is housed down; The last latch assembly of the three-dimensional interlock latch lock of door leaf is equipped with self-closing hook, and the door shelves relative with self-closing hook are gone up the spacing Impactor of equipped self-closing hook.

Door leaf of the present utility model is a frame with square tube or rectangular tube, rectangular tube is a rib, the steel plate that thickness is 3 millimeters is a panel, the steel plate that thickness is 2 millimeters is that back veneer is welded, the intensity of door leaf and rigidity can be born the percussion of the reflected pressure of the pressure of the following explosion wave of 50Kpa and stack, can resist the penetration of concentration of local load, simultaneously, the cavity of skeleton sash fills up fire proofing and guarantees the fire integrity of blast-resistant door in one and a half hours, and the side of door leaf is pasted with anti-plume, when fire, anti-plume is heated, and the back is rapid expands, slit around the shutoff door leaf, intercepted flame and smog passes through from crack between a door and its frame, have the effect that intercepts fire spread, at closing time, door leaf back veneer concora crush is on the weather strip of door shelves recess-mounted, sealing has seal around forming.Be applicable to antiknock, anti-penetrate, the sealed door of fire protection requirement.

Description of drawings

Fig. 1. expression be singly to open blast-resistant door front sketch.

Fig. 2. expression be singly to open blast-resistant door the inside sketch.

Fig. 3. expression be two blast-resistant door front sketches of opening.

Fig. 4. expression be two blast-resistant door the inside sketches of opening.

Fig. 5. expression be primary and secondary blast-resistant door the inside sketch.

Fig. 6. expression be primary and secondary blast-resistant door front sketch.

Fig. 7. expression be the three-dimensional view of doorframe.

Fig. 8. expression be the drawings in side sectional elevation of a shelves at the shoulder hole place of erection bolt.

Fig. 9. expression be the view of door leaf.

Figure 10. expression be three-dimensional interlock latch lock.

Figure 11. expression be the self-closing hook of going up latch.

Figure 12. expression be detachable in stile.

The specific embodiment

Implement best way of the present utility model below in conjunction with description of drawings:

Fig. 1 and Fig. 2 represent that the utility model is by doorframe 1, door leaf 2, upper hinge 3, hinge 5, counter-force block 4, door closer 6, hand holding lock and three-dimensional interlock latch lock are formed down, the doorframe inner peripheral is installed the door shelves 7 that are shaped on groove 17 (Fig. 8) with hexagon socket head cap screw, door shelves 7 have the shoulder hole 16 (Fig. 8) of erection bolt, the door shelves adopt 30 * 30 millimeters square steel, wide 11.5 millimeters, dark 4 millimeters of door shelves groove, groove is embedded in rubber weather strip; Be equipped with self-aligning ball bearing and thrust ball bearing in equipped self-aligning ball bearing, the following hinge seat in the upper hinge seat; With the middle counter-force block 4 that is equipped with of the doorframe of upper and lower hinge homonymy, the counter-force block is that end face becomes rectangle that the uniform section body of a longitudinal edge chamfering is also arranged therein substantially, and the counter-force block is shaped on the shoulder hole that soket head cap screw is installed; The counter-force block preferably adopts 100 * 37 * 20 millimeters rectangle steel part, 5 * 45 ° of vertical rib chamferings, the shoulder hole of uniform three M10 hexagon socket head cap screws in 100 mm lengths;

Fig. 9 represents that door leaf is that Door leaf frame 20, rectangular tube serve as that fan rib 21 is welded into skeleton with square tube or rectangular tube, fill the rock wool fire proofing in the cavity of skeleton sash, 3 millimeters of door skin 18 thickness, 2 millimeters of door leaf back veneer 19 thickness, four sides of door leaf are pasted anti-plume 22;

See Figure 11, the last latch assembly of the three-dimensional interlock latch lock of door leaf is equipped with the self-closing hook 31 of bottom buckle tooth, and the door shelves relative with self-closing hook are gone up the spacing Impactor of equipped self-closing hook; When implementing to close under the effect of door at door closer, self-closing hook 31 is run into the Impactor stop screw 29 that is installed on the shelves can compress self-closing hook spring 30, make the hook end break away from the notch of going up latch 8, compression springback at three-dimensional interlock latch lock is tried hard to recommend down moving, latches upper and lower, three directions of side stretch out door leaf simultaneously and insert pin-and-hole, automatically door lock is lived, make blast-resistant door have self-closing function;

The hand holding lock 26 that Figure 10 represents to be contained on the door face board is linked to each other by square cotter axle 25 with latch lock 27 on being contained in a back veneer, handling hand holding lock or latch lock like this can both make push rod 23 drive latch 8, the latch contraction of latch 28,24 3 directions of side latch down simultaneously, self-closing hook colludes in the groove of latch 8, the latch of three directions all is locked in the door leaf, reaches the purpose of the escape of opening the door rapidly;

Fig. 3, Fig. 4 are the double doors that left-hand door fan 9 and right door leaf 10 are formed, Fig. 5, Fig. 6 are that female door leaf 14 is fanned 15 composite door of forming with cervical orifice of uterus, the doorframe of double door and composite door is equipped with middle stile 11, Figure 12 is detachable middle stile, middle stile upper/lower terminal is a middle stile connector 32, be connected with the fixed block 12 (Fig. 7) on the upper and lower crossbeam of interior hexagonal cylinder head bolt 33 and doorframe, middle stile dual-side is equipped with a shelves, form two complete frameworks with the door shelves on the channel-section steel doorframe, to bear the suffered blast pressure of door leaf.

The utility model has solved the use limitation that steel door is resisted blast pressure, not only has anti-knock properties, penetration-resistant, fire integrity, seal, and has escape and self-closing function.

Claims

1, the steel blast-resistant door is made up of doorframe, door leaf, door hinge, hand holding lock and three-dimensional interlock latch lock, it is characterized in that the door shelves of doorframe inner peripheral are shaped on groove, and door shelves groove is embedded in rubber weather strip; With the doorframe middle dress counter-force block of upper and lower hinge with side; Door leaf skeleton adopts the tubing of corner to constitute for the welding of fan rib for fan frame, rectangular tube, fills fire proofing in the cavity that the skeleton sash forms, and 3 millimeters of door skin thickness, 2 millimeters of door leaf back veneer thickness, four sides of door leaf are pasted with anti-plume; Self-aligning ball bearing is housed in the upper hinge seat, in the hinge seat self-aligning ball bearing and thrust ball bearing is housed down; The last latch assembly of the three-dimensional interlock latch lock of door leaf is equipped with self-closing hook, and the door shelves relative with self-closing hook are gone up the spacing Impactor of equipped self-closing hook.

2, steel blast-resistant door according to claim 1 is characterized in that a shelves adopts 30 * 30 millimeters square steel, wide 11.5 millimeters, dark 4 millimeters of door shelves groove.

3, steel blast-resistant door according to claim 2 is characterized in that the counter-force block adopts 100 * 37 * 20 millimeters rectangle steel parts, and a vertical rib chamfering is 5 * 45 °.