A kind of audible-visual annunciator waterproof base
Technical field
The utility model relates to a kind of audible-visual annunciator waterproof base, and particularly a kind of expressway LED weight metering charging takes the audible-visual annunciator waterproof base of volume display device.
Background technique
Freeway Development plays important impetus to national economy, but some electromechanical equipments rainproof problem out of doors never is well solved, and cause short circuit after the water inlet of report equipment is always often arranged, or the thing that equipment gets rusty takes place.Take in the audible-visual annunciator of volume display device at expressway LED weight metering charging, the rainy day occurs through regular meeting, the situation of rainwater in circuit enters cabinet gently then makes equipment get rusty, and in the brief life-span, heavy then directly cause line short, equipment is paralysed, and influences very big.
The model utility content
The purpose of this utility model is, a kind of audible-visual annunciator waterproof base is provided, and it can intercept the rainwater access arrangement in the rainy day, prevents fault and corrosion.
The technical solution of the utility model: a kind of audible-visual annunciator waterproof base, it is characterized in that: comprise pallet, the periphery of pallet is provided with peripheral projection, and the pallet center is provided with cable-through hole, the cable-through hole periphery also is provided with inner ring water proof projection, and the tray bottom also is provided with osculum and fixing bolt via hole.
In the aforesaid audible-visual annunciator waterproof base, also be provided with rubber sheet gasket under the described pallet.
In the aforesaid audible-visual annunciator waterproof base, described pallet is located at the audible-visual annunciator bottom, and peripheral projection hoop is outside audible-visual annunciator, and pallet, audible-visual annunciator and rubber sheet gasket are fixed on the cabinet by the fixing bolt that is located in the fixing bolt via hole.
In the aforesaid audible-visual annunciator waterproof base, described fixing bolt both sides are equipped with pad, and are provided with rubber column at pallet with top, are provided with compression spring at cabinet with the bottom, can make the fixing bolt via hole arrive good waterproof effect.
In the aforesaid audible-visual annunciator waterproof base, described rubber sheet gasket is a triangle, and does not cover osculum on the position.
Compared with prior art, the utility model is by being provided with projection and osculum on pallet, and the reasonable Arrangement position, makes audible-visual annunciator after being fixed on the cabinet, can avoid rainwater to enter cabinet.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is a sectional view of the present utility model;
Fig. 3 is an installation exploded view of the present utility model;
Fig. 4 is a scheme of installation of the present utility model.
Being labeled as in the accompanying drawing: 1-pallet, the peripheral projection of 2-, 3-cable-through hole, 4-inner ring water proof projection, 5-osculum, 6-fixing bolt via hole, 7-rubber sheet gasket, 8-fixing bolt, 9-cabinet, 10-pad, 11-rubber column, 12-compression spring, 13-audible-visual annunciator.
Embodiment
Below in conjunction with drawings and Examples the utility model is further described, but not as the foundation to the utility model restriction.
Embodiment.A kind of audible-visual annunciator (the yellow sudden strain of a muscle) waterproof base as shown in Figures 1 to 4, comprises pallet 1, the periphery of pallet 1 is provided with peripheral projection 2, pallet 1 center is provided with cable-through hole 3, and cable-through hole 3 peripheries also are provided with inner ring water proof projection 4, and pallet 1 bottom also is provided with osculum 5 and fixing bolt via hole 6.Described pallet also is provided with rubber sheet gasket 71 time.Described pallet 1 is located at audible-visual annunciator 13 bottoms, and peripheral projection 2 hoops are outside audible-visual annunciator 13, and pallet 1, audible-visual annunciator 13 and rubber sheet gasket 7 are fixed on the cabinet 9 by the fixing bolt 8 that is located in fixing bolt via hole 6.Described fixing bolt 8 both sides are equipped with pad 10, and are provided with rubber column 11 at pallet 1 with top, are provided with compression spring 12 at cabinet 9 with the bottom.Described rubber sheet gasket 7 is a triangle, and does not cover osculum 5 on the position.