CN2873985Y

CN2873985Y - Steel door

Info

Publication number: CN2873985Y
Application number: CN 200520147353
Authority: CN
Inventors: 焦平
Original assignee: Individual
Current assignee: Swiss-Chinese Tianming (beijing) Industry Ltd Company
Priority date: 2005-12-31
Filing date: 2005-12-31
Publication date: 2007-02-28
Anticipated expiration: 2015-12-31

Abstract

The utility model relates to a steel door comprising a door frame, a door leaf, a door lock and a hinge. The inner panel and the outer panel of the door leaf are connected in recess shape at side of the door leaf. The bending points of the recess are of smooth transition. In the recess, hollow decorative strips are inserted. In the door leaf, fireproof core can be filled. In the hollow decorative strips, fireproof expansion strips are provided. The four corners of the door leaf are provided with enhanced angles. The steel door is of graceful appearance as a whole, high strength, sturdy and durable, high fire resistance, and much better performance over a conventional steel door.

Description

Steel door

Technical field

The utility model relates to a kind of steel door, refers to a kind of good looking appearance, the steel door that structure is firm especially.

Background technology

General steel door is made up of doorframe, steel door leaf, hinge etc., and the steel door leaf is by being welded behind steel panel and the steel backboard cold roll forming.In the door leaf of steel door, fill fire prevention core, door leaf side installation fire prevention expansion bar, door leaf installation Fire-proof lock, promptly make fire resistance steel door.The subject matter of steel door existence at present is that because steel door is by the steel plate welding or is spliced that so profile is attractive in appearance inadequately, the door leaf framework is firm inadequately simultaneously, particularly four of door leaf angles are the lower positions of door leaf intensity, deform easily.Concerning some fire resistance steel doors, in case breaking out of fire, because doorframe and door leaf are roasted by big fire, easier deforming, cause fire prevention expansion bar to come off, produce the slit between door leaf and the doorframe, flame, dense smoke were scurried from the slit of distortion, stretched, reduced fire hazard, recover to speedily carry out rescue work etc. and bring difficulty stopping the intensity of a fire.

The utility model content

The purpose of this utility model is to solve the problems referred to above that existing steel door exists, and a kind of novel steel door handsome in appearance, robust is provided.

Steel door provided by the utility model is made of doorframe, door leaf, door lock, hinge etc., door leaf comprises door leaf wainscot, door leaf outer panels and door core, the door leaf wainscot is connected in the door leaf side with the door leaf outer panels, inside and outside panel connection in the door leaf side is the groove shape, be inlaid with the cavity ornamental strip in the groove, the cavity ornamental strip is fixedlyed connected with bottom portion of groove.

The joint of door leaf wainscot of the present utility model and door leaf outer panels joins for folded assembly and fixes by rivet, and each bending place of groove is a rounding off.

The groove of door leaf side can be located at arbitrary side of door leaf, for example, can be located at the and arranged on left and right sides of door leaf, also can be located at the upside and the and arranged on left and right sides of door leaf, perhaps is located at each side, upper and lower, left and right of door leaf.

Door core in the steel door leaf can be the fire prevention core, and installing fire prevention expansion bar is promptly made the fire prevention steel door in the cavity ornamental strip.

Be equiped with respectively in four jiaos of door leaf and strengthen the angle, strengthening the angle is a L shaped steel plate, and each L shaped steel plate is fixed in modes such as welding or riveted joints with door leaf wainscot top, both sides, bottom respectively, becomes to have the steel door of strengthening the angle.

Strengthen being welded with round steel on the angles at two of door leaf hinge one side upper and lower part, round steel is two pairs, respectively establishes a pair ofly in the above and below of hinge, and is located at respectively in the space of groove inner surface that the inside and outside panel of door leaf is connected and L shaped steel plate.L shaped steel plate uses as the fixed head of hinge simultaneously, becomes the more robust steel door that has special reinforcement angle.

The beneficial effects of the utility model are, at the cavity ornamental strip that inlay the side of steel door, the joint of the inside and outside panel of door leaf are decorated, and make the moulded more attractive in appearance of steel door; The angle is strengthened in four jiaos of installings at door leaf, has improved the intensity of steel door; Load fire prevention expansion bar in the cavity ornamental strip, the expansion bar of both can having avoided preventing fires comes off, and has improved the fire line of steel door again, in case the condition of a fire of meeting can delay the steel door distortion, stops that the intensity of a fire stretches.

Description of drawings

Below in conjunction with drawings and Examples, the utility model is described in further detail.

Fig. 1 is the structural representation of the utility model embodiment one.

Fig. 2 is the structural representation of the utility model embodiment two.

Fig. 3 is the structural representation of the utility model embodiment three.

Fig. 4 is the structural representation of the utility model embodiment four.

Fig. 5 is the enlarged drawing of the utility model cavity ornamental strip.

Fig. 6 is a structural representation of strengthening the angle in the utility model.

Fig. 7 is the lateral view of Fig. 6.

Fig. 8 is the vertical view of Fig. 6.

Fig. 9 is an embodiment who strengthens the installation site, angle.

Among the figure, 1. door leaf wainscot, 2. groove, a 3. core, 4. cavity ornamental strip, 5. door leaf outer panels, 6. fire prevention expansion bar, 7. two-sided tape is 8. strengthened the angle, 9. round steel, 10. hinge, 11. spaces.

The specific embodiment

Embodiment one: as shown in Figure 1, the door leaf wainscot 1 of steel door is connected with the side of door leaf outer panels 5 at door leaf, its connected mode is respectively inside and outside panel to be become bending through cold moudling earlier, folded again assembly is joined and is fixed by rivet, the joint forms groove 2, and each bending place of groove is a rounding off.Groove 2 can be located at the and arranged on left and right sides face of door leaf, also can be located at the upper side and the two sides of door leaf, can also be equipped with groove in four sides of door leaf; Be inlaid with cavity ornamental strip 4 in the groove, the cavity ornamental strip is made by PVC moulding bar, cavity ornamental strip 4 is fixedly connected on the bottom of groove 2 by two-sided tape 7.

Embodiment two: as shown in Figure 2, fire prevention expansion bar 6 (see figure 5)s are housed in cavity ornamental strip 4, are fixed in the chamber by shutoff.Core 3 in the steel door leaf is the fire prevention core, and this embodiment is a kind of fire prevention steel door.

Embodiment three: as shown in Figure 3, in four jiaos of steel door leaf, be equiped with respectively and strengthen angle 8, strengthening the angle is a L shaped steel plate (referring to Fig. 6-8), and L shaped steel plate is fixed in modes such as welding or riveted joints with door leaf wainscot top, both sides, bottom respectively, becomes to have the steel door of strengthening the angle.

Embodiment four: as Fig. 4, shown in Figure 9, strengthen being welded with round steel 9 on the angles 8 for two of the upper and lower that hinge 10 1 sides are installed at door leaf, round steel is two pairs, above and below at hinge 10 is respectively established a pair of, and be located at respectively in the groove inner surface and the formed space 11 of L shaped steel plate of the inside and outside panel of door leaf, simultaneously, L shaped steel plate uses as the fixed head of hinge 10 simultaneously, becomes the more robust steel door that has special reinforcement angle.

Cavity ornamental strip 4 in the utility model steel door becomes a plane with the door leaf side, and is handsome in appearance; Fire prevention expansion bar 6 is loaded in the cavity of cavity ornamental strip, is not easy to come off; Strengthen angle 8 and make a body sturdy and durable, its performance is better than traditional steel door greatly.

Claims

1, a kind of steel door, constitute by doorframe, door leaf, door lock, hinge etc., door leaf comprises door leaf wainscot, door leaf outer panels and door core, the door leaf wainscot is connected in the door leaf side with the door leaf outer panels, it is characterized in that: the inside and outside panel joint in the door leaf side is the groove shape, be inlaid with the cavity ornamental strip in the groove, the cavity ornamental strip is fixedlyed connected with bottom portion of groove.

2, steel door according to claim 1 is characterized in that: the joint of door leaf wainscot and door leaf outer panels joins for folded assembly and fixes by rivet, and each bending place of groove is a rounding off.

3, steel door according to claim 1 is characterized in that: described door core is the fire prevention core, is equiped with fire prevention expansion bar in the cavity ornamental strip.

4, according to claim 1 or 3 described steel doors, it is characterized in that: be equiped with respectively in four jiaos of described door leaf and strengthen the angle, strengthening the angle is a L shaped steel plate, and each L shaped steel plate is fixedlyed connected with top, both sides, the bottom of door leaf wainscot respectively.

5, steel door according to claim 4, it is characterized in that: described door leaf is equipped with two of the upper and lower of hinge one side and strengthens being welded with round steel on the angles, round steel is two pairs, respectively establish a pair ofly in the above and below of hinge, and be located at respectively in the groove inner surface and the formed space of L shaped steel plate that the inside and outside panel of door leaf is connected.