CN218751336U

CN218751336U - Low-resistance ship propeller

Info

Publication number: CN218751336U
Application number: CN202223597712.5U
Authority: CN
Inventors: 陈淼; 夏鑫; 杨桥; 施琼琼
Original assignee: Jiangsu Borui Marine Engineering Co ltd
Current assignee: Jiangsu Borui Marine Engineering Co ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-03-28
Anticipated expiration: 2032-12-30

Abstract

The utility model discloses a low resistance boats and ships screw, including the bull stick, bull stick one end is connected with the connecting block, the connecting block is kept away from bull stick one end middle part and is connected with the fixed block, fixed block one end middle part is connected with the lug. According to the low-resistance ship propeller, the installation block, the fixing ring, the blocking ring, the connecting bolt and the flow guide hole are arranged to be matched with each other, so that when the blade is positioned in water to rotate, the water resistance of the blade can be blocked to a certain extent through the blocking ring, the blade is prevented from causing large resistance to the blade in the process that the blade moves along with a ship, and meanwhile, water can be in contact with the blade through the flow guide hole, so that the ship can be moved more conveniently; through mutually supporting of the solid fixed ring, the collar, fixing bolt and the paddle body that set up, can be convenient for directly change the paddle when the paddle causes the damage, and it is comparatively convenient to change, convenient operation, the steadiness is high.

Description

Low-resistance ship propeller

Technical Field

The utility model relates to a boats and ships screw field, in particular to low resistance boats and ships screw.

Background

The propeller is a device which rotates in the air or water by means of blades and converts the rotating power of an engine into propulsive force, and can be a propeller which has two or more blades connected with a hub, wherein the backward surface of each blade is a helicoid or is similar to the helicoid. The propellers are divided into a plurality of types and are widely applied, such as propellers of aircrafts and ships.

A ship is a man-made vehicle that operates primarily in geographic water. In addition, the civil ship is generally called as a ship, the military ship is called as a ship, the small ship is called as a boat or a boat, the small ship is generally called as a ship or a boat, the internal part of the small ship mainly comprises a containing space, a supporting structure and a drainage structure, the small ship is provided with a propulsion system utilizing external or self-contained energy, the external shape is generally favorable for overcoming the streamline envelope of the fluid resistance, the material is continuously updated along with the technological progress, the early material is natural materials such as wood, bamboo, hemp and the like, and the modern material is mostly steel, aluminum, glass fiber, acrylic and various composite materials.

The resistance of current screw in aquatic working process water is great, leads to the propulsion effect of ship not good, and the screw blade if appear damaging need change whole screw, changes inconveniently, leads to the screw practicality relatively poor.

Therefore, there is a need for a low drag marine propeller that solves the above problems.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a low resistance ship propeller, which can effectively solve the problems of the prior art.

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

the utility model provides a low resistance ship propeller, includes the bull stick, bull stick one end is connected with the connecting block, the connecting block is kept away from bull stick one end middle part and is connected with the fixed block, fixed block one end middle part is connected with the lug, connecting block outside cover is equipped with the installation component, the installation component outside all is connected with the paddle body, outside one side of bull stick is connected with the installation piece, outside one side of installation piece is connected with the support ring, the support ring outside is connected with the retaining ring, support ring one side is connected with the go-between, the go-between inner wall is connected with outside one side of installation piece, the go-between upper end all is connected with the installation piece through connecting bolt with the lower extreme.

Preferably, the installation component includes solid fixed ring, gu fixed ring both ends all are connected with the collar, the collar inner wall contacts with the outside both sides of connecting block, two collar upper ends all are connected with the connecting block through fixing bolt with the lower extreme.

Preferably, the number of the mounting rings is two.

Preferably, the inner diameter of the mounting ring is the same as the inner diameter of the fixing ring.

Preferably, the cross section shapes of the upper end and the lower end of the fixing block are both arranged in an inclined manner.

Preferably, one end of the projection is in an arc structure.

Preferably, the blocking ring is provided with flow guide holes at positions corresponding to the plurality of blade bodies.

Preferably, the inner diameter of the support ring is the same as the inner diameter of the connection ring.

Advantageous effects

Compared with the prior art, the utility model provides a low resistance ship propeller possesses following

Has the advantages that:

1. this low resistance boats and ships screw, through the installation piece that sets up, solid fixed ring, block the retaining ring, the go-between, mutually supporting in connecting bolt and water conservancy diversion hole, can conveniently be located the water internal rotation at the paddle when, can carry out certain the blockking to the water resistance of paddle through blocking the retaining ring, avoid the paddle to lead to the fact great resistance to the paddle along with the ship removes in-process water, make water can pass through water conservancy diversion hole and paddle contact through the water conservancy diversion hole simultaneously, be more convenient for remove the ship.

2. This low resistance boats and ships screw through mutually supporting of the solid fixed ring that sets up, collar, fixing bolt and paddle body, can be convenient for directly change the paddle when the paddle causes the damage, and it is comparatively convenient to change, convenient operation, the steadiness is high.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a cross-sectional view of the present invention;

fig. 3 is an enlarged schematic view of a of fig. 2 according to the present invention;

fig. 4 is an enlarged schematic structural view of B of fig. 2 according to the present invention.

In the figure: 1. a rotating rod; 2. connecting blocks; 3. a fixed block; 4. a bump; 5. a fixing ring; 6. a mounting ring; 7. fixing the bolt; 8. a blade body; 9. mounting a block; 10. a support ring; 11. a check ring; 12. a connecting ring; 13. a connecting bolt; 14. and (4) flow guide holes.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in figures 1-4, a low-resistance ship propeller comprises a rotating rod 1, wherein one end of the rotating rod 1 is connected with a connecting block 2, the middle part of the connecting block 2, which is far away from the rotating rod 1, is connected with a fixed block 3, the water resistance at the position of the fixed block 3 is reduced, the middle part of one end of the fixed block 3 is connected with a convex block 4, the outer side of the connecting block 2 is sleeved with a mounting assembly, the outer side of the mounting assembly is connected with a blade body 8, the blade body 8 is convenient to rotate, one side of the outer part of the rotating rod 1 is connected with a mounting block 9, a support ring 10 and a check ring 11 can be mounted, one side of the outer part of the mounting block 9 is connected with a support ring 10, one side of the support ring 10 is connected with a connecting ring 12, the inner wall of the connecting ring 12 is connected with one side of the outer part of the mounting block 9, the upper end and the lower end of the connecting ring 12 are connected with the mounting block 9 through connecting bolts 13, improve go-between 12's stability can, the installation component is including solid fixed ring 5, gu fixed ring 5 both ends all is connected with collar 6, collar 6 inner wall and the contact of 2 outside both sides of connecting block, two collar 6 upper ends all are connected with connecting block 2 through fixing bolt 7 with the lower extreme, better fix collar 6 and solid fixed ring 5, collar 6's quantity is two sets of, collar 6's internal diameter is the same with solid fixed ring 5's internal diameter, 3 upper ends of fixed block all are the slope form setting with the cross sectional shape of lower extreme, the shape of 4 one ends of lug is the arc structure setting, 11 one side of retaining ring corresponds a plurality of paddle body 8 departments and has evenly seted up water conservancy diversion hole 14, be convenient for water and paddle body 8 contact, the internal diameter of support ring 10 is the same with go-between 12's internal diameter.

It should be noted that, the utility model relates to a low resistance boats and ships screw, locate the installation piece 9 outside through covering support ring 10 during the use, fix retaining ring 11 through go-between 12 and connecting bolt 13, fix 5 both ends of solid fixed ring through collar 6, make and to fix paddle body 8, when bull stick 1 rotates and drives paddle body 8 and be located the rotation of water inside, it can carry out certain the blockking to the water resistance of paddle to block ring 11, water can pass through water conservancy diversion hole 14 and paddle contact simultaneously, be more convenient for remove the ship.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A low resistance ship propeller, includes bull stick (1), its characterized in that: rotating rod (1) one end is connected with connecting block (2), rotating rod (1) one end middle part is kept away from in connecting block (2) and is connected with fixed block (3), fixed block (3) one end middle part is connected with lug (4), connecting block (2) outside cover is equipped with the installation component, the installation component outside all is connected with paddle body (8), rotating rod (1) outside one side is connected with installation piece (9), installation piece (9) outside one side is connected with support ring (10), the support ring (10) outside is connected with and hinders retaining ring (11), support ring (10) one side is connected with go-between (12), go-between (12) inner wall is connected with installation piece (9) outside one side, go-between (12) upper end all is connected with installation piece (9) through connecting bolt (13) with the lower extreme.

2. A low drag marine propeller as claimed in claim 1, wherein: the mounting assembly comprises a fixing ring (5), both ends of the fixing ring (5) are connected with mounting rings (6), the inner wall of each mounting ring (6) is in contact with the outer sides of the connecting blocks (2), and the upper ends and the lower ends of the two mounting rings (6) are connected with the connecting blocks (2) through fixing bolts (7).

3. A low drag marine propeller as claimed in claim 2, wherein: the number of the mounting rings (6) is two.

4. A low drag marine propeller as claimed in claim 2, wherein: the inner diameter of the mounting ring (6) is the same as that of the fixing ring (5).

5. A low drag marine propeller as claimed in claim 1, wherein: the cross section shapes of the upper end and the lower end of the fixing block (3) are all arranged in an inclined manner.

6. A low drag marine propeller as claimed in claim 1, wherein: one end of the convex block (4) is in an arc structure.

7. A low drag marine propeller as claimed in claim 1, wherein: one side of the check ring (11) is provided with flow guide holes (14) corresponding to the plurality of blade bodies (8).

8. A low drag marine propeller as claimed in claim 1, wherein: the inner diameter of the support ring (10) is the same as the inner diameter of the connection ring (12).