CN210478952U

CN210478952U - Marine manhole cover locked from inside of cabin

Info

Publication number: CN210478952U
Application number: CN201921520349.2U
Authority: CN
Inventors: 赵习顺
Original assignee: Nanjing Shuntao Marine Equipment Co Ltd
Current assignee: Nanjing Shuntao Marine Equipment Co Ltd
Priority date: 2019-09-12
Filing date: 2019-09-12
Publication date: 2020-05-08
Anticipated expiration: 2029-09-12

Abstract

The utility model belongs to the shipbuilding field, especially, from marine manhole cover of inside locking in cabin, to the lower problem of the stealthy nature of current manhole cover and security performance, the following scheme is put forward at present, it includes the lid, the front side welding of lid has a plurality of bolts, and the front side welding of lid has two the first in command, has seted up on the lid and has put the chamber, has all seted up the first groove on putting the top inner wall in chamber and the bottom inner wall, and the primary shaft is installed to the first inslot internal rotation, puts intracavity slidable mounting and has two displacement plates, and the thread groove has all been seted up to one side that two displacement plates kept away from each other, and the external screw thread has been seted up in the outside of primary shaft, and primary shaft's external screw thread and thread connection, the fixed cover in the outside of primary shaft is equipped with first gear, and the. The utility model discloses the practicality is good, can fix the lid in the cabin, and secret nature and security performance are all better.

Description

Marine manhole cover locked from inside of cabin

Technical Field

The utility model relates to a shipbuilding technical field especially relates to a ship manhole cover of locking from cabin inside.

Background

In the current ships, especially in sea areas where pirates such as the gulf of the martin often live out, the ship is usually provided with an evasive place for the shippers to successfully board the ship in view of safety of the goods, the shipmen and the ships.

If the locking device is opened and closed from the outside of the cabin, when a crew enters the cabin, the operation of opening and closing cannot be carried out from the inside of the cabin, and the operation of personnel outside the cabin is needed; if the manhole cover is reversely installed, namely the opening and closing operation is carried out from the interior of the cabin, people can be distinguished from entering the cabin from the observation from the exterior of the cabin, so that the secrecy and the safety of the safety cabin are greatly reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that has privacy and security performance lower among the prior art, and the marine manhole cover of locking from cabin inside that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a ship manhole cover locked from the inside of a cabin comprises a cover body, wherein a plurality of bolts are welded on the front side of the cover body, two first handles are welded on the front side of the cover body, a placing cavity is formed in the cover body, first grooves are formed in the inner wall of the top part and the inner wall of the bottom part of the placing cavity, a first shaft is rotatably installed in the first grooves, two displacement plates are slidably installed in the placing cavity, screw grooves are formed in the sides, far away from each other, of the two displacement plates, external threads are formed in the outer side of the first shaft and are in threaded connection with the screw grooves, a first gear is fixedly sleeved on the outer side of the first shaft, two fixing plates are welded on the rear side of the cover body, second grooves are formed in the sides, close to each other, of the two fixing plates, the same second shaft is rotatably installed in the two second grooves, two second gears are fixedly sleeved on the outer side, a transverse cavity is formed in the cover body, a traction plate is installed in the transverse cavity in a sliding sealing mode, and a plurality of clamping plates are welded on one side of the traction plate.

Preferably, the placing cavity and the transverse cavity are provided with a through hole, the inner wall of one side of the transverse cavity far away from the placing cavity is provided with a plurality of traction holes, and the clamping plate is slidably mounted in the corresponding traction holes.

Preferably, two jacks are formed in the inner wall of the rear side of the placing cavity, and the first gear penetrates through the corresponding jacks.

Preferably, the placing cavity, the transverse cavity and the through hole are filled with hydraulic oil positioned between the displacement plate and the traction plate.

Preferably, a second handle is welded to the rear side of the cover.

Preferably, the number of the bolts is at least twenty, the screwing directions of the external threads on the two first shafts are opposite, and the screwing directions of the threads in the two screw grooves are opposite, so that the two displacement plates can move towards each other.

The utility model discloses in, a from marine manhole cover of the inside locking in cabin, close the lid, rotate the secondary shaft, the secondary shaft drives the second gear and rotates, first gear drives the primary shaft and rotates, the epaxial external screw thread of primary shaft and spiral shell groove threaded connection, it removes to the direction that is close to each other to drive two displacement boards, displacement board extrusion hydraulic oil drives the traction plate and removes, the traction plate drives the cardboard and removes, make in the cardboard card goes into the draw-in groove on the manhole apron hole, fix the lid inside, and easy operation, secret nature and security performance are all better.

The utility model discloses the practicality is good, can fix the lid in the cabin, and secret nature and security performance are all better.

Drawings

Fig. 1 is a schematic structural view of a marine manhole cover locked from the inside of a cabin according to the present invention;

fig. 2 is a schematic rear sectional view of a manhole cover for a ship locked from the inside of a cabin according to the present invention;

fig. 3 is a schematic side view of a manhole cover for a ship locked from inside a cabin according to the present invention;

fig. 4 is a schematic rear view of the manhole cover for a ship locked from the inside of the cabin according to the present invention.

In the figure: 1. a cover body; 2. a bolt; 3. a first handle; 4. a placing cavity; 5. a first shaft; 6. a displacement plate; 7. a screw groove; 8. a first gear; 9. a fixing plate; 10. a second shaft; 11. a second gear; 12. a traction plate; 13. clamping a plate; 14. a second handle.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, a manhole cover for a ship locked from the inside of a cabin comprises a cover body 1, a plurality of bolts are welded on the front side of the cover body 1, two first handles 3 are welded on the front side of the cover body 1, a placing cavity 4 is formed on the cover body 1, first grooves are formed on the inner wall of the top and the inner wall of the bottom of the placing cavity 4, a first shaft 5 is rotatably installed in the first grooves, two displacement plates 6 are slidably installed in the placing cavity 4, spiral grooves 7 are formed on the sides, far away from each other, of the two displacement plates 6, external threads are formed on the outer side of the first shaft 5, the external threads on the first shaft 5 are in threaded connection with the spiral grooves, a first gear 8 is fixedly sleeved on the outer side of the first shaft 5, two fixing plates 9 are welded on the rear side of the cover body 1, second grooves are formed on the sides, near to each other, of the two fixing plates 9, a same second shaft, the first gear 8 is meshed with the corresponding second gear 11, a transverse cavity is formed in the cover body 1, a traction plate 12 is installed in the transverse cavity in a sliding sealing mode, and a plurality of clamping plates 13 are welded on one side of the traction plate 12.

In this embodiment, place and seted up same through-hole between chamber 4 and the horizontal chamber, horizontal chamber is kept away from and is seted up a plurality of traction holes on the one side inner wall of placing chamber 4, and cardboard 13 slidable mounting is in corresponding traction hole.

In this embodiment, two insertion holes are formed in the inner wall of the rear side of the placing cavity 4, and the first gear 8 penetrates through the corresponding insertion holes.

In this embodiment, the placing cavity 4, the transverse cavity and the through hole are filled with hydraulic oil between the displacement plate 6 and the traction plate 12.

In the present embodiment, the second handle 14 is welded to the rear side of the lid body 1.

In this embodiment, the number of the bolts 2 is at least twenty, the thread directions of the external threads on the two first shafts 5 are opposite, and the thread directions of the internal threads of the two thread grooves 7 are opposite, so that the two displacement plates 6 can move towards each other.

The utility model discloses in, during the use, lid 1 is installed downthehole at the manhole cover, be provided with a plurality ofly on one side inner wall of manhole cover, when lid 1 is closed to needs inside, close lid 1, rotate secondary shaft 10, secondary shaft 10 drives second gear 11 and rotates, second gear 11 drives first gear 8 and rotates, first gear 8 drives primary shaft 5 and rotates, the last external screw thread of

primary shaft

5 and 7 threaded connection of spiral groove, it removes to the direction that is close to each other to drive two

displacement plates

6, 6 extrusion hydraulic oil of displacement plate drive towing plate 12 and remove, towing plate 12 drives cardboard 13 and removes, make cardboard 13 card go into in the draw-in groove on the manhole cover, fix lid 1 inside, and the operation is thus simple, secret nature and security performance are all better.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A ship manhole cover locked from the inside of a cabin comprises a cover body (1) and is characterized in that a plurality of bolts are welded on the front side of the cover body (1), two first handles (3) are welded on the front side of the cover body (1), a placing cavity (4) is formed in the cover body (1), first grooves are formed in the inner wall of the top and the inner wall of the bottom of the placing cavity (4), a first shaft (5) is rotatably installed in the first grooves, two displacement plates (6) are slidably installed in the placing cavity (4), spiral grooves (7) are formed in the sides, far away from each other, of the two displacement plates (6), external threads are formed in the outer side of the first shaft (5), the external threads are connected with the spiral grooves in a threaded manner, a first gear (8) is fixedly sleeved on the outer side of the first shaft (5), two fixing plates (9) are welded on the rear side of the cover body (1), second grooves are formed in the sides, close to the two fixing plates (, same second shaft (10) is installed to two second inslot rotations, and the outside fixed cover of second shaft (10) is equipped with two second gears (11), and first gear (8) mesh with corresponding second gear (11) mutually, has seted up horizontal chamber on lid (1), and sliding seal installs towing plate (12) in horizontal chamber, and one side welding of towing plate (12) has a plurality of cardboard (13).

2. A manhole cover for ships, which is locked from the inside of a cabin, according to claim 1, wherein the same through hole is formed between the placing cavity (4) and the transverse cavity, the inner wall of the transverse cavity on the side far away from the placing cavity (4) is provided with a plurality of traction holes, and the clamping plate (13) is slidably mounted in the corresponding traction holes.

3. A manhole cover for ships, which is locked from the inside of a cabin, according to claim 1, wherein two insertion holes are opened on the inner wall of the rear side of the placing cavity (4), and the first gear (8) penetrates through the corresponding insertion holes.

4. A manhole cover for ships, locked from the inside of a cabin, according to claim 1, wherein the placing chamber (4), the transverse chamber and the through hole are filled with hydraulic oil between the displacement plate (6) and the traction plate (12).

5. A manhole cover for ships, locked from the inside of a cabin, according to claim 1, wherein the second handle (14) is welded to the rear side of the cover (1).

6. A manhole cover for ships, locked from the inside of a cabin, according to claim 1, wherein the number of bolts (2) is at least twenty, the external threads on the two first shafts (5) having opposite directions of rotation, and the threads in the two grooves (7) having opposite directions of rotation.