JP3081302U - Mounting bolt structure of galvanized iron plate on building roof - Google Patents

Abstract

(57) [Summary] [Problem] To provide a bolt structure for mounting a galvanized iron plate on a building roof that enhances the assembling of the galvanized iron plate to the roof and increases the service life of the bolt. SOLUTION: A covering cover having a viscous gel material inside is penetrated by a bolt, and the viscous gel material is applied to the bolt and the covering cover due to the strong viscosity of the viscous gel material and the limitation of the covering cover. Only the gap between the lower drill holes is provided, and the gap between the bolt and the screw hole is adhered from the upper part, thereby securely strengthening the entire assembly and achieving the purpose of complete non-leakage. Closing the top opening of the cover prevents the bolt head from rusting when exposed to sun or rain, thereby increasing the service life of the bolt.

Description

[Detailed description of the invention]

[0001]

[Technical field to which the invention belongs]

 The present invention relates to a bolt structure for a galvanized steel plate on a building roof, and in particular, after assembling a corrugated galvanized steel plate, penetrates the viscous gel inside the covering cover into a gap between the lower hole and a screw hole and a bolt. The structure relates to a structure that diffuses into the gap between them and closes the opening at the top of the cover with an upper lid to reliably prevent water seepage and rust of bolts.

[0002]

[Prior art]

 The method of assembling a galvanized steel plate which is generally used at present is as shown in FIG. 1. After one washer 200 is put on the bolt 100, the galvanized steel plate 10 and the C-shaped steel 20 are screwed. The galvanized steel plate 10 is fixed on the C-shaped steel 20. Among them, the C-shaped steel 20 is assembled on the steel shelf of the rooftop of the building, and since the coating of the general galvanized steel sheet 10 is usually the roof of the building, it is exposed to sunlight or rainwater for a certain time. Then, the washer 200 deteriorates and is corroded, so that rainwater enters the gap 610 of the screw hole 60 along the gap of the corrosion during rainy weather, and drops into the room, causing a drawback that rain leaks. Therefore, at present, after the galvanized iron plate 10 is assembled, the screwed portion is always waterproofed to improve the defect of water leakage. However, this has the problem of secondary construction, which takes time and effort, and increases the inconvenience and danger of construction.

[0003]

[Problems to be solved by the invention]

 Therefore, the above-mentioned screw 100 for assembling a galvanized iron plate is not yet technically perfect, has drawbacks, and the present invention aims to improve it.

[0004]

[Means for Solving the Problems]

 According to the invention of claim 1, an outwardly extending annular convex edge is provided on the head of the bolt, a screw portion is extended downward at a central portion, and a tapping screw portion is provided at a bottom end of the screw portion. The screw portion penetrates the covering cover, viscous gel is placed in the covering cover, an opening having an inner diameter slightly larger than the outer diameter of the annular convex edge is provided at the top of the covering cover, and one opening is provided at the bottom. There is a drill hole, the screw part penetrates the drill hole, and the viscous gel flows out of the gap between the drill hole and the screw part. An architectural feature characterized in that an abutment ring that sticks at the upper part of the generated gap and protrudes downward at the bottom of one upper lid is tightly fitted into the opening of the covering cover, and the upper lid seals the opening downward. Mounting bolts on the roof of the object To have.

[0005]

[Embodiment of the invention]

 The bolt structure of the galvanized iron plate on the roof of the building of the present invention includes: That is, a bolt 3 is provided, an annular convex edge 32 extending outward is provided on the head 31, a central portion of the annular convex edge 32 extends downward, and a screw portion 33 is provided, and a screw portion 33 is provided. The bottom end of the bolt 33 is a tapping screw portion 34, the bolt 3 and the covering cover 4 are formed, have a hollow annular shape, and have an appropriate amount of viscous gel material 41 placed therein. An opening 42 having an inner diameter slightly larger than the outer diameter of the annular convex edge 32 is provided, and a lower perforation 43 is provided at the bottom, and the screw cover 33 passes through the lower perforation 43. And the upper lid 5, from which one protruding ring 51 protrudes downward at the bottom.

At the time of assembling, the screw portion 33 is inserted into the cover 4 through the opening 42 and passes through the lower hole 43 to form a gap 44 with the lower hole 43 (see FIG. 3). Further, when fixing the C-shaped steel 2 of the roof steel shelf and the galvanized steel plate 1 with the screw part 33, a tool, for example, an electric drill is put on the head 31 and rotated. The screw portion 33 has a screw hole formed in the C-shaped steel 2 and the galvanized steel plate 1 by a tapping screw portion 34 at the bottom end thereof, and the annular convex edge 32 presses the viscous gel material 41 downward, and The viscous gel material 41 is restricted by the coating cover 4, and the viscous gel material 41 flows through the gap 44 and the ring side of the annular convex edge 32 (see FIG. 4), and the viscous gel flowing out of the gap 44. Material 41 adheres to the upper part of the gap 61 between the screw portion 33 and the screw hole 6, and a part of the viscous gel material 41 flows between the covered cover 4 and the galvanized steel plate 1, and the viscous gel material 41 Due to the super-strong consistency, the adhesion between the upper portion of the gap 61 and the covering cover 4 and the galvanized steel plate 1 becomes stronger, and as a result, the entire assembly is further strengthened. Subsequently, the opening 42 of the covering cover 4 is closed and pressed with the upper lid 5 so that the protruding ring 51 and the opening 42 are fitted together and the upper lid 5 is tightly closed to the opening 42 (see FIGS. 4 and 5). ).

Therefore, in the present invention, the viscous gel material 41 is restricted by the covering cover 4 and the gap 44 and the annular side of the annular convex edge 32 are caused to flow, and the viscosity of the viscous gel material 41 Seal the upper part and perform the waterproofing work more securely.

When the head 31 is screwed into the covering cover 4, the opening 42 is finally closed by the top cover 5, so that the head 31 is completely covered and covered by the top cover 5, and is protected from sunlight and rain. , Oxidation and rust are prevented, and the service life of the bolt 3 is extended.

[0009]

[Effect of the invention]

 Taken together, the present invention reliably achieves the intended purpose and function, is more practical than known techniques, and similar articles having the same characteristics as the present invention are not found before filing the application. It has the requirements for utility model registration.

[Brief description of the drawings]

FIG. 1 is a sectional view of a combination of known techniques.

FIG. 2 is a sectional view showing a combination of the bolt and the cover according to the present invention;

FIG. 3 is a cross-sectional view in which the C-shaped steel and the galvanized steel plate are joined by the bolt of the present invention, and is not closed by the upper lid.

FIG. 4 is a cross-sectional view in which the C-shaped steel and the galvanized steel plate are joined by the bolt of the present invention, and is closed by the upper lid.

FIG. 5 is an embodiment of the present invention.

[Explanation of symbols]

100 bolt 200 washer 10
Tin plate 20 C-shaped steel 60 Screw hole 610
Gap 3 bolt 31 head 32
Annular protruding edge 33 Screw part 34 Tapping screw part 4 Coating cover 41 Viscous gel material 42 Opening 43 Lower perforation 44 Gap 5 Top lid 51 Ridge ring 1 Tin plate 2 C-shaped steel 6 Screw hole 61 Gap

Claims (1)

[Utility model registration claims] An annular convex edge extending outward is provided on a head of a bolt, a screw portion is extended downward at a central portion, and a tapping screw portion is provided at a bottom end of the screw portion. Part penetrates the covering cover, the viscous gel substance is placed in the covering cover, an opening having an inner diameter slightly larger than the outer diameter of the annular convex edge is provided at the top of the covering cover, and one bottom perforation is provided at the bottom. Yes, the screw part penetrates the lower hole, and the viscous gel flows out of the gap between the lower hole and the screw part, and the upper part of the gap generated in the galvanized steel plate and the C-shaped steel by the downward rotation of the tapping screw part A bottom ring of one of the upper lids is tightly fitted into the opening of the covering cover, and the upper lid seals the opening downward; Mounting bolt structure of the galvanized steel plate.