Stainless steel ship propeller

By introducing telescopic sleeves, connecting rods and rotary table motor structures into marine thrusters, the problem that existing thrusters cannot adjust the immersion depth is solved, and flexible adjustment of the thruster height and orientation is achieved, improving the convenience and accuracy of use.

CN222769566UActive Publication Date: 2025-04-18SHANGHAI QIXIU MASCH EQUIP CO LTD
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Patent Information

Application Number
CN202420516763.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-18
Publication Date
2025-04-18
Estimated Expiration
2034-03-18

AI Technical Summary

Technical Problem

Existing marine thrusters cannot adjust the immersion depth during installation, the adjustment accuracy is low and it is inconvenient to use.

Method used

A stainless steel marine thruster is designed to adjust the height position of the thruster by telescopic and connecting rod, and to change the orientation of the thruster by rotating the motor in the rotating table.

Benefits of technology

It realizes flexible position and orientation adjustment of the thruster, meets different usage needs, and improves adjustment accuracy and convenience of use.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222769566U_ABST
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Abstract

The utility model relates to the technical field of ship propellers, and particularly discloses a stainless steel ship propeller which comprises a propeller body, a connecting rod, a sleeve, a fixing plate and a tail vane, the whole propeller body is of a cylindrical structure, and a driving motor is arranged in the propeller body; a rotating table is arranged on the cylindrical side face of the propeller body, a rotating motor is embedded in the rotating table, one end of the connecting rod is connected with the output end of the rotating motor, and the other end of the connecting rod is inserted into the sleeve and connected with an electric push rod in the sleeve; the upper portion of the sleeve is connected with a fixing plate through a vertical rod, and the fixing plate is transversely arranged. A driving shaft is arranged on the end face of the propeller body, the driving shaft is connected with the output end of a driving motor, and spiral blades are arranged on the driving shaft; the whole tail vane is of a C-shaped structure, and the spiral blade is located on the inner side of the C-shaped structure of the tail vane. According to the propeller, the position and the orientation of the propeller can be flexibly changed.
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Description

Technical Field

[0001] The utility model relates to the technical field of marine propellers, in particular to a stainless steel marine propeller. Background Art

[0002] A marine propeller is a tool that provides thrust on a ship. Its function is to convert the power generated by the engine into thrust for the ship to move forward, so as to overcome the resistance of the ship sailing in the water and thus propel the ship forward. When the existing propeller is installed on the hull, it is generally fixed and the immersion depth of the propeller cannot be adjusted as needed. If the immersion depth of the propeller is to be changed, the propeller can only be manually disassembled and raised or lowered, which not only has low adjustment accuracy, but also brings inconvenience to the user. Utility Model Content

[0003] The utility model aims to provide a stainless steel marine propeller to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a stainless steel marine propeller, comprising a propeller body, a connecting rod, a sleeve, a fixing plate and a stern rudder, the propeller body being in a cylindrical structure as a whole, and a driving motor being arranged inside the propeller body; a rotating table being arranged on the cylindrical side surface of the propeller body, and a rotating motor being embedded inside the rotating table, one end of the connecting rod being connected to the output end of the rotating motor, and the other end of the connecting rod being inserted into the sleeve and connected to the electric push rod in the sleeve; the upper part of the sleeve being connected to the fixing plate through a vertical rod, and the fixing plate being arranged horizontally; a driving shaft being arranged on the end face of the propeller body, and the driving shaft being connected to the output end of the driving motor, and a spiral blade being arranged on the driving shaft; the stern rudder being in a C-shaped structure as a whole, and the spiral blade being located on the inner side of the C-shaped structure of the stern rudder.

[0005] Preferably, the tail rudder is in a sheet-like structure as a whole, one end of the tail rudder is connected to the connecting rod through a fixing member, and the other end of the tail rudder is connected to a connecting plate at the lower part of the thruster body.

[0006] Preferably, the fixing piece is sleeved on the outside of the connecting rod through an annular structure, and the connecting piece is fixedly connected to the end of the tail rudder through screws.

[0007] Preferably, one end of the propeller body facing away from the spiral blade is arranged as a guide head, the guide head is arranged as a truncated cone structure, and the end of the guide head is arranged as a convex arc surface.

[0008] Preferably, a positioning pin is provided at the lower portion of the fixing plate, and the positioning pin is configured as a cylindrical structure.

[0009] Compared with the prior art, the beneficial effects of the utility model are as follows: the propeller provided by the utility model adjusts the height position of the entire propeller by the extension and contraction between the sleeve and the connecting rod, and changes its own orientation by the rotation of the motor in the rotating table; it can flexibly change its position and orientation to meet usage requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 The structure of the utility model is shown in FIG. Figure 1 ;

[0011] Figure 2 The structure of the utility model is shown in FIG. Figure 2 ;

[0012] Numbers in the figure: 1, propeller body; 2, connecting rod; 3, casing; 4, fixing plate; 5, tail rudder; 6, rotating table; 7, guide head; 8, driving shaft; 9, spiral blade; 10, fixing part; 11, connecting plate; 12, positioning pin. DETAILED DESCRIPTION

[0013] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0014] In the description of the present invention, it should be noted that the terms "vertical", "up", "down", "horizontal", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0015] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0016] See also Figure 1-2The utility model provides a technical solution: a stainless steel marine propeller, comprising a propeller body 1, a connecting rod 2, a sleeve 3, a fixing plate 4 and a stern rudder 5, wherein the propeller body 1 is in a cylindrical structure as a whole, and a driving motor is arranged inside the propeller body 1; a rotating platform 6 is arranged on the cylindrical side of the propeller body 1, and a rotating motor is embedded inside the rotating platform 6, one end of the connecting rod 2 is connected to the output end of the rotating motor, and the other end of the connecting rod 2 is inserted in the sleeve 3 and connected to the electric push rod in the sleeve 3; the upper part of the sleeve 3 is connected to the fixing plate 4 through a vertical rod, and the fixing plate 4 is arranged horizontally; a driving shaft 8 is arranged on the end face of the propeller body 1, and the driving shaft 8 is connected to the output end of the driving motor, and a spiral blade 9 is arranged on the driving shaft 8; the stern rudder 5 is in a C-shaped structure as a whole, and the spiral blade 9 is located on the inner side of the C-shaped structure of the stern rudder 5.

[0017] Furthermore, the tail rudder 5 is a sheet-like structure as a whole, one end of the tail rudder 5 is connected to the connecting rod 2 through a fixing member 10 , and the other end of the tail rudder 5 is connected to a connecting sheet 11 at the lower part of the thruster body 1 .

[0018] Furthermore, the fixing member 10 is sleeved on the outside of the connecting rod 2 through an annular structure, and the connecting piece 11 is fixedly connected to the end of the tail rudder 5 through screws.

[0019] Furthermore, one end of the propeller body 1 facing away from the spiral blade 9 is provided as a guide head 7, the guide head 7 is provided as a truncated cone structure, and the end of the guide head 7 is provided as a convex arc surface.

[0020] Furthermore, a positioning pin 12 is provided at the lower portion of the fixing plate 4 , and the positioning pin 12 is configured as a cylindrical structure.

[0021] Working principle: In actual use, the propeller body 1 is fixed by the upper fixing plate 4, and the fixing plate 4 is also provided with a positioning pin 12 to increase its stability after installation and ensure the stability of its structure; the electric push rod in the sleeve 3 can drive the connecting rod 2 to extend and retract in the sleeve 3, thereby changing the height position of the propeller body 1 at the bottom of the connecting rod 2, thereby changing the immersion depth of the propeller. The rotating motor in the rotating platform 6 can rotate with the connecting rod 2, and the connecting rod 2 itself is a fixed structure, so the operation of the rotating motor will drive the propeller body 1 to rotate itself, change its direction, and thus provide propulsion in different directions.

[0022] One end of the rudder 5 is fixedly connected to the connecting plate 11, and the other end is sleeved on the outside of the connecting rod 2 through the annular structure of the fixing member 10. The rudder 5 can rotate together with the propeller body 1; the guide head 7 is configured as a truncated cone structure, and the end face is configured as a convex arc surface. This structure can reduce the resistance encountered by the propeller itself during movement, making it easier to move.

[0023] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A stainless steel marine propeller, characterized in that: The invention comprises a propeller body (1), a connecting rod (2), a sleeve (3), a fixing plate (4) and a tail rudder (5), wherein the propeller body (1) is in an overall cylindrical structure, and a driving motor is arranged inside the propeller body (1); a rotating platform (6) is arranged on the cylindrical side surface of the propeller body (1), and a rotating motor is embedded inside the rotating platform (6); one end of the connecting rod (2) is connected to the output end of the rotating motor, and the other end of the connecting rod (2) is inserted into the sleeve (3) and connected to the electric push rod in the sleeve (3); the upper part of the sleeve (3) is connected to the fixing plate (4) through a vertical rod, and the fixing plate (4) is arranged horizontally; a driving shaft (8) is arranged on the end surface of the propeller body (1), and the driving shaft (8) is connected to the output end of the driving motor, and a spiral blade (9) is arranged on the driving shaft (8); the tail rudder (5) is in an overall C-shaped structure, and the spiral blade (9) is located inside the C-shaped structure of the tail rudder (5).

2. A stainless steel marine propeller according to claim 1, characterized in that: The tail rudder (5) is of a sheet-like structure as a whole, one end of the tail rudder (5) is connected to the connecting rod (2) via a fixing member (10), and the other end of the tail rudder (5) is connected to a connecting sheet (11) at the bottom of the propeller body (1).

3. A stainless steel marine propeller according to claim 2, characterized in that: The fixing member (10) is sleeved on the outside of the connecting rod (2) through an annular structure, and the connecting piece (11) is fixedly connected to the end of the rudder (5) through screws.

4. A stainless steel marine propeller according to claim 1, characterized in that: One end of the propeller body (1) facing away from the spiral blade (9) is arranged as a guide head (7), the guide head (7) is arranged as a truncated cone structure, and the end of the guide head (7) is arranged as a convex arc surface.

5. A stainless steel marine propeller according to claim 1, characterized in that: A positioning pin (12) is provided at the lower part of the fixing plate (4), and the positioning pin (12) is configured as a cylindrical structure.