CN103434613A - Manhole device with inspection hole - Google Patents

Abstract

The invention discloses a manhole device with an inspection hole. The manhole device comprises a seat retainer (1) and a cover plate (2), wherein the seat retainer (1) is welded to a boat body, the cover plate (2) is fixed to the seat retainer (1) through a nut, the center of the cover plate (2) is provided with an inspection hole device, the inspection hole device comprises an inspection hole seat retainer (4) and an inspection hole cover plate (5), and the inspection hole cover plate (5) is fixed to the inspection hole seat retainer (4) through a nut. According to the manhole device with the inspection hole, the inspection hole is additionally formed in the manhole device, and after the inspection hole is easily detached, a worker can enter a cabin to clean.

Description

A kind of manhole device with sighthole

Technical field

The present invention relates to a kind of manhole device with sighthole.

Background technology

As everyone knows, boats and ships can guarantee enough endurance, be unable to do without working of various device reliable and stablely, also be unable to do without the supply of various goods and materials, comprising the required oil plant of the normal operation of equipment, the fresh water that staff's daily life is required, required ballast water etc. during ship in ballast, this just needs big and small various cabins store these materials, in order to guarantee the stable of boats and ships center of gravity, so be provided with some cabins on the shell of ship deck bottom, be used for storing various materials.

In ship building, enter the cabin construction for ease of staff's carrying implement, offered the manhole device on bulkhead, but also larger, yet after boats and ships are paid normal the use, cabin needs the periodic cleaning cleaning, want to enter wherein must the upper dozens of nut of dismounting manhole device can, bring certain trouble to the staff, so when ship building, also have and separately establish a small-sized sighthole on bulkhead, however this hole set up the compressive resistance that certainly will reduce cabin.

Summary of the invention

In order to address the above problem, the invention provides a kind of manhole device with sighthole, set up a sighthole on the manhole device, after the easy removal sighthole, the staff can enter cabin interior and clean cleaning.

The present invention has adopted following technical scheme: a kind of manhole device with sighthole, it comprises seat ring and cover plate, seat ring is welded on hull, cover plate is fixed on seat ring by nut, the center position of described cover plate is provided with the sighthole device, described sighthole device is comprised of sighthole seat ring and access plate, and access plate is fixed on the sighthole seat ring by nut.

Be provided with the sighthole packing ring between described access plate and sighthole seat ring; Be provided with the cover plate for sealing pad between described cover plate and seat ring; A handle is respectively established in the both sides of described cover plate.

The present invention has following beneficial effect: the present invention sets up a sighthole device on the manhole device, without separately offer a sighthole on the bulkhead in cabin, has effectively increased the compressive resistance of bulkhead; Simultaneously, sighthole only has a small amount of stud nut, has avoided the staff entering cabin when maintenance, dismantle a large amount of nuts loaded down with trivial details work.

The accompanying drawing explanation

Fig. 1 is structural representation of the present invention.

Fig. 2 is birds-eye view of the present invention.

The specific embodiment

As depicted in figs. 1 and 2, the present invention is a kind of manhole device with sighthole, it is characterized in that it comprises seat ring 1 and cover plate 2, seat ring 1 is welded on hull, the endoporus of seat ring 1 and hull openings be size on an equal basis, and cover plate 2 is fixed on seat ring 1 by some nuts, and the center position of described cover plate 2 is provided with the sighthole device, described sighthole device is comprised of sighthole seat ring 4 and access plate 5, and access plate 5 is fixed on sighthole seat ring 4 by some nuts; Be provided with the sighthole packing ring between described access plate 5 and sighthole seat ring 4, guarantee watertight; Be provided with the cover plate for sealing pad between described cover plate 2 and seat ring 1, guarantee watertight; A handle 3 handles are respectively established for movable in the both sides of described cover plate 2, can, around handle axle Rotate 180 °, be convenient to installation, dismounting and lifting.

Claims (4)

1. the manhole device with sighthole, it is characterized in that it comprises seat ring (1) and cover plate (2), seat ring (1) is welded on hull, cover plate (2) is fixed on seat ring (1) by nut, the center position of described cover plate (2) is provided with the sighthole device, described sighthole device is comprised of sighthole seat ring (4) and access plate (5), and access plate (5) is fixed on sighthole seat ring (4) by nut.

2. a kind of manhole device with sighthole according to claim 1, is characterized in that being provided with the sighthole packing ring between described access plate (5) and sighthole seat ring (4).

3. a kind of manhole device with sighthole according to claim 1, is characterized in that being provided with the cover plate for sealing pad between described cover plate (2) and seat ring (1).

4. a kind of manhole device with sighthole according to claim 1, is characterized in that a handle (3) is respectively established in the both sides of described cover plate (2).

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