CN210770245U

CN210770245U - Ship stern shaft static ring

Info

Publication number: CN210770245U
Application number: CN201921882604.8U
Authority: CN
Inventors: 洪国来
Original assignee: Yangzhou Hongye Marine Equipment Co ltd
Current assignee: Yangzhou Hongye Marine Equipment Co ltd
Priority date: 2019-11-04
Filing date: 2019-11-04
Publication date: 2020-06-16
Anticipated expiration: 2029-11-04

Abstract

The utility model provides a boats and ships stern axle quiet ring, including quiet ring body and go-between, quiet ring body is located one side of go-between and with the go-between is mutually perpendicular, quiet ring body is including quiet seal ring, hexagon spanner end and first serration ring, quiet seal ring with first serration ring with hexagon spanner end sets up for the center pin symmetry, the go-between is including second serration ring, second serration ring is located the go-between casing is close to one side of quiet ring body and through the mould with the casing integrated into one piece of go-between, the central point of first serration ring is connected with the boss, the go-between passes through second serration ring with quiet ring body meshing is connected. The utility model discloses, through the cooperation of quiet ring body and welding at the epaxial go-between of boats and ships stern, can strengthen the relation of being connected of quiet ring body and boats and ships stern axle.

Description

Ship stern shaft static ring

Technical Field

The utility model mainly relates to a technical field of quiet ring, concretely relates to boats and ships stern axle quiet ring.

Background

In the use process of the ship, the working environment of the ship stern shaft is extremely bad due to the fact that the ship stern shaft is soaked in river sediment for a long time, so that a static ring is needed to seal the connection position of the stern shaft, and the service life of the stern shaft is prolonged.

According to the document provided by patent document CN 207093760U, although the product described in the document has the advantages of good sealing performance and long service life, it is difficult to ensure that the product will not be dislocated when being subjected to external pressure.

The static ring can not be fixed on the ship stern shaft all the time, so that the static ring is easy to separate from the initial installation position under the condition of external stimulation, and gaps are generated among components of the ship stern shaft.

SUMMERY OF THE UTILITY MODEL

The utility model mainly provides a boats and ships stern axle quiet ring is used for solving the technical problem who provides among the above-mentioned background art.

The utility model provides a technical scheme that above-mentioned technical problem adopted does:

a ship stern shaft static ring comprises a static ring body and a connecting ring, wherein the static ring body is positioned on one side of the connecting ring and is vertical to the connecting ring, the static ring body comprises a static seal ring, a hexagonal spanner end and a first sawtooth ring, the static seal ring and the first sawtooth ring are symmetrically arranged by taking the hexagonal spanner end as a central shaft, the static seal ring, the first sawtooth ring and the hexagonal spanner end are integrally formed through a die, the static seal ring, the first sawtooth ring and the hexagonal spanner end are provided with eccentric inner diameters, the connecting ring comprises a second sawtooth ring, the second sawtooth ring is positioned on one side, close to the static ring body, of a connecting ring shell and is integrally formed with the connecting ring shell through the die, a boss is connected with the center of the first sawtooth ring, and the connecting ring is meshed and connected with the static ring body through the second sawtooth ring, and the connecting ring is clamped with the static ring body through the lug boss.

Furthermore, the outer surface of the boss is provided with threads, and the inner walls of the static seal ring, the first sawtooth ring and the hexagonal wrench end are provided with threads matched with the threads.

Furthermore, the static seal ring, the first sawtooth ring and the hexagonal wrench end respectively comprise a first ring body and a second ring body, and the first ring body and the second ring body are rotatably connected through a rotating shaft.

Furthermore, the outer surfaces of the ends, far away from the rotating shaft, of the first ring body and the second ring body are respectively provided with connecting blocks, the two connecting blocks are integrally formed with the first ring body and the second ring body through dies respectively, and the two connecting blocks are connected through bolts.

Furthermore, an anti-slip layer is arranged on the outer surface of the hexagonal wrench end.

Furthermore, an anti-corrosion coating is arranged on the outer wall of the static ring body.

Compared with the prior art, the beneficial effects of the utility model are that:

one of them, the utility model discloses the difficult dislocation imagination that produces through quiet ring body and the cooperation of welding at the epaxial go-between of boats and ships stern, can strengthen the relation of connection of quiet ring body and boats and ships stern axle to make quiet ring can adapt to external pressure, avoid the dislocation phenomenon, prevent that boats and ships stern axle from producing the fracture because of the erosion of river silt.

Two, the utility model discloses have comparatively simple installation and the ability of dismantling, through the cooperation of boss and quiet ring inner wall, alright in order to accomplish the zonulae occludens between quiet ring and the go-between, when having improved the leakproofness of quiet ring, simplified the operation of quiet ring installation, through the cooperation of rotation axis and connecting block to when needs are dismantled, only need twist reverse the bolt alright break away from with making quiet ring body from boats and ships stern epaxial.

The present invention will be explained in detail with reference to the drawings and specific embodiments.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a top view of the stationary ring body of the present invention;

fig. 3 is a schematic view of a partial structure of the stationary ring body of the present invention;

fig. 4 is a schematic structural view of the boss of the present invention.

In the figure: 1. a stationary ring body; 11. a first serrated ring; 12. a static seal ring; 13. a hexagonal wrench end; 131. a first ring body; 132. a second ring body; 133. connecting blocks; 2. a connecting ring; 21. a second sawtooth ring; 22. and (4) a boss.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully with reference to the accompanying drawings, in which several embodiments of the present invention are shown, but the present invention can be implemented in different forms, and is not limited to the embodiments described in the text, but rather, these embodiments are provided to make the disclosure of the present invention more thorough and comprehensive.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the use of the term knowledge in the specification of the present invention is for the purpose of describing particular embodiments and is not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-4, a ship stern shaft stationary ring comprises a stationary ring body 1 and a connecting ring 2, wherein the stationary ring body 1 is located on one side of the connecting ring 2 and is perpendicular to the connecting ring 2, the stationary ring body 1 comprises a stationary seal ring 12, a hexagonal wrench end 13 and a first sawtooth ring 11, the stationary seal ring 12 and the first sawtooth ring 11 are symmetrically arranged with the hexagonal wrench end 13 as a central axis, the stationary seal ring 12, the first sawtooth ring 11 and the hexagonal wrench end 13 are integrally formed by a mold, the stationary seal ring 12, the first sawtooth ring 11 and the hexagonal wrench end 13 have eccentric inner diameters, the connecting ring 2 comprises a second sawtooth ring 21, the second sawtooth ring 21 is located on one side of the connecting ring 2 casing close to the stationary ring body 1 and is integrally formed with the casing of the connecting ring 2 by the mold, a boss 22 is connected to the center of the first sawtooth ring 11, the connecting ring 2 is meshed with the stationary ring body 1 through the second sawtooth ring 21, and the connecting ring 2 is clamped with the stationary ring body 1 through the lug boss 22.

Referring to fig. 2, an anti-slip layer is disposed on the outer surface of the hexagonal wrench end 13. In this embodiment, the provision of the anti-slip layer facilitates the rotation of the hexagonal wrench end 13.

Please refer to fig. 2, the outer wall of the stationary ring body 1 is provided with an anti-corrosion coating. In this embodiment, through the setting of anticorrosive coating to the corrosion resistance of quiet ring body 1 has been improved, the life of quiet ring body 1 has been prolonged.

Referring to fig. 3, the static seal ring 12, the first sawtooth ring 11 and the hexagonal wrench end 13 each include a first ring 131 and a second ring 132, and the first ring 131 and the second ring 132 are rotatably connected by a rotating shaft. In the present embodiment, since the first ring body 131 and the second ring body 132 are rotatably connected by the rotation shaft, the first ring body 131 and the second ring body 132 are angularly displaced with the rotation shaft as a rotation center.

Please refer to fig. 3, the outer surfaces of the ends of the first ring body 131 and the second ring body 132 away from the rotation axis are respectively provided with a connecting block 133, the two connecting blocks 133 are respectively formed integrally with the first ring body 131 and the second ring body 132 through a mold, and the two connecting blocks 133 are connected through bolts. In this embodiment, since the two connecting blocks 133 are connected by bolts, the first ring 131 and the second ring 132 are closed again into a ring.

Referring to fig. 4, the outer surface of the boss 22 is provided with threads, and the inner walls of the static seal ring 12, the first sawtooth ring 11 and the hexagonal wrench end 13 are provided with threads matched with the threads. In this embodiment, the inner walls of the static seal ring 12, the first serrated ring 11 and the hexagonal wrench end 13 are provided with threads matched with the threads, so that the static seal ring 12, the first serrated ring 11 and the hexagonal wrench end 13 are continuously drawn towards the boss 22 along the track defined by the threads.

The utility model discloses a concrete operation as follows:

when the stationary ring is installed, firstly, the bolts on the connecting block 133 are screwed, so that the rotation of the first ring body 131 and the second ring body 132 is limited, then the inner diameter of the stationary ring body 1 is aligned with the boss 22 on the connecting ring 2, the stationary seal ring 12, the first sawtooth ring 11 and the hexagonal wrench end 13 are continuously drawn to the boss 22 along the track specified by the threads through the threads, when the stationary seal ring 12, the first sawtooth ring 11 and the hexagonal wrench end 13 are screwed to a certain position along the threads, the stationary ring body 1 and the connecting ring 2 are locked through the sliding of the first sawtooth ring 11 on the second sawtooth ring 21, meanwhile, through the eccentric structure of the inner diameter of the stationary ring body 1, when the stationary ring body 1 and the connecting ring 2 are locked, the thrust is applied to the inner wall of the stationary ring body 1 through the boss 22, so that the inner wall of the stationary ring body 1 generates stress, thereby further strengthening the connecting relationship of the stationary ring body 1 and the connecting ring 2, similarly, when the stationary ring is removed, the bolts on the connecting block 133 are twisted to release the restriction on the rotation of the first ring member 131 and the second ring member 132, and then the first ring member 131 and the second ring member 132 are angularly displaced around the rotation axis, so that the stationary ring body 1 is separated from the connecting ring 2.

The above description of the present invention is made in conjunction with the accompanying drawings, and it is obvious that the present invention is not limited by the above embodiments, and the method and the technical solution of the present invention are not substantially improved or directly applied to other occasions without improvement, and are all within the protection scope of the present invention.

Claims

1. The ship stern shaft static ring comprises a static ring body (1) and a connecting ring (2), and is characterized in that the static ring body (1) is positioned on one side of the connecting ring (2) and is perpendicular to the connecting ring (2), the static ring body (1) comprises a static seal ring (12), a hexagonal spanner end (13) and a first sawtooth ring (11), the static seal ring (12) and the first sawtooth ring (11) are symmetrically arranged by taking the hexagonal spanner end (13) as a central axis, the static seal ring (12), the first sawtooth ring (11) and the hexagonal spanner end (13) are integrally formed through a mold, and the static seal ring (12), the first sawtooth ring (11) and the hexagonal spanner end (13) have eccentric inner diameters;

the connecting ring (2) comprises a second sawtooth ring (21), the second sawtooth ring (21) is positioned on one side, close to the static ring body (1), of the connecting ring (2) shell and is integrally formed with the shell of the connecting ring (2) through a mold, and a boss (22) is connected to the center of the first sawtooth ring (11);

the connecting ring (2) is meshed with the static ring body (1) through the second sawtooth ring (21), and the connecting ring (2) is clamped with the static ring body (1) through the lug boss (22).

2. The marine stern shaft static ring according to claim 1, wherein the outer surface of the boss (22) is provided with threads, and the inner walls of the static seal ring (12), the first sawtooth ring (11) and the hexagonal wrench end (13) are provided with threads matched with the threads.

3. The marine stern shaft static ring according to claim 1, wherein the static seal ring (12), the first sawtooth ring (11) and the hexagonal wrench end (13) comprise a first ring body (131) and a second ring body (132), and the first ring body (131) and the second ring body (132) are rotatably connected through a rotating shaft.

4. The stern shaft static ring as claimed in claim 3, wherein the first ring body (131) and the second ring body (132) are provided with connecting blocks (133) on the outer surfaces of the ends thereof away from the rotating shaft, the two connecting blocks (133) are respectively formed integrally with the first ring body (131) and the second ring body (132) through a mold, and the two connecting blocks (133) are connected through bolts.

5. The marine stern shaft stationary ring according to claim 1, wherein the outer surface of the hexagonal wrench end (13) is provided with an anti-slip layer.

6. The marine stern shaft static ring as claimed in claim 1, wherein the static ring body (1) is provided with an anti-corrosion coating on the outer wall.