CN216709601U

CN216709601U - Easy-to-install vortex-eliminating fin

Info

Publication number: CN216709601U
Application number: CN202123098611.9U
Authority: CN
Inventors: 熊新红; 何峰林
Original assignee: ZHENJIANG JINYE PROPELLER CO Ltd
Current assignee: ZHENJIANG JINYE PROPELLER CO Ltd
Priority date: 2021-12-10
Filing date: 2021-12-10
Publication date: 2022-06-10
Anticipated expiration: 2031-12-10

Abstract

The utility model discloses an easy-to-install vortex-eliminating fin, which comprises a main body and vortex-eliminating fins, wherein the vortex-eliminating fins are installed on the outer side of the main body, and a connecting structure which is convenient for the main body to be connected with an external propeller is arranged in the main body; the connecting structure comprises a hexagonal slot, a hexagonal bolt and a screw rod, the hexagonal slot is arranged in the main body, bolt limiting grooves and a screw sleeve groove are respectively arranged at two ends of the hexagonal slot, and the hexagonal bolt is inserted into the hexagonal slot. According to the utility model, the connecting structure is arranged, the hexagonal bolt in the connecting structure is matched with the hexagonal slot in the main body for use, the main body can be quickly connected with the propeller, the disassembly is convenient, the hexagonal bolt and the hexagonal slot can be quickly positioned when matched and connected, the connecting efficiency is improved, the main body can be quickly fixed by matching the internal fixing threaded sleeve outside the screw rod with the internal connecting thread, the integral connection is convenient, and the use is convenient.

Description

Easy-to-install vortex-eliminating fin

Technical Field

The utility model relates to the technical field of eddy-eliminating fin processing, in particular to an easy-to-install eddy-eliminating fin.

Background

In order to reduce the operation cost and save fuel, many ships are provided with energy-saving devices, and typical energy-saving devices comprise energy-saving guide pipes, vortex-eliminating fins, rudder balls and the like. Among them, the vortex elimination fin installed right behind the propeller is a device similar to a small propeller, which rotates together with the propeller. The vortex-eliminating fin can absorb the wake vortex generated by the propeller in the rotating process, the wake field is improved, the propeller propulsion efficiency is favorably improved, and the purpose of energy conservation is achieved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a vortex elimination fin easy to install, and aims to solve the problems that the existing vortex elimination fin is inconvenient to operate and use during installation, and the existing vortex elimination fin is easy to shake between the vortex elimination fin and a connecting bolt after installation, so that the use is affected.

In order to solve the technical problems, the utility model provides the following technical scheme: an easy-to-install vortex-eliminating fin comprises a main body and vortex-eliminating fins, wherein the vortex-eliminating fins are installed on the outer side of the main body, and a connecting structure which is convenient for the main body to be connected with an external propeller is arranged in the main body;

the connecting structure comprises a hexagonal slot, a hexagonal bolt and a screw rod, the hexagonal slot is arranged inside the main body, a bolt limiting groove and a screw sleeve groove are respectively arranged at two ends of the hexagonal slot, the hexagonal slot is inserted with the hexagonal bolt, one end of the hexagonal bolt is provided with a limiting ring, the limiting ring is sleeved inside the bolt limiting groove, the other end of the hexagonal bolt is provided with the screw rod, two ends of the screw rod are respectively provided with an external connecting thread and an internal connecting thread, the screw rod is connected inside the hexagonal bolt through the internal connecting thread, the external side of the internal connecting thread is in threaded connection with an internal fixing screw sleeve, and the internal fixing screw sleeve is installed inside the screw sleeve groove.

Preferably, the inside fastening components who is used for reducing hexagonal bolt and rocks that is provided with of hexagonal slot, fastening components includes inside groove, fastening spring and splint, the inside groove has been seted up in the middle of two faces that hexagonal slot is inside to oppose, inside groove internal connection has fastening spring, the fastening spring top is connected with splint, just the splint laminating is in the hexagonal bolt outside, through being provided with fastening components, when hexagonal bolt and hexagonal slot connection, the inside fastening spring of fastening components ejecting splint, splint and hexagonal bolt laminating, fastening spring constantly acts on simultaneously, fixes hexagonal bolt, prevents to appear becoming flexible, has improved stability.

Preferably, the seal groove has been seted up to bolt spacing inslot portion, the spacing ring outside is provided with the sealing ring, just the sealing ring is connected the seal groove through being provided with the seal groove, and the seal groove cooperation sealing ring uses, seals the hexagonal slot after connecting the completion, prevents inside intake, reduces the rusty condition, has improved life.

Preferably, the number of the vortex-eliminating fins is a plurality, and different vortex-eliminating fins are suitable for propellers with different blades, so that the applicability is stronger.

Preferably, the number of fastening springs is a plurality of, and a plurality of fastening springs have better fastening effect and are more stable.

Preferably, the length of hexagonal bolt with the length of hexagonal slot is the same, and the length of hexagonal bolt is the same with hexagonal slot has guaranteed that the internal fixation swivel nut can be fixed the hexagonal bolt, has guaranteed simultaneously that the internal fixation swivel nut can enter into the swivel nut inslot portion, connects more stability.

Preferably, the threads of the external and internal connection threads are of different sizes.

1. According to the utility model, the connecting structure is arranged, the hexagonal bolt in the connecting structure is matched with the hexagonal slot in the main body for use, the main body can be quickly connected with the propeller, the disassembly is convenient, meanwhile, the hexagonal bolt and the hexagonal slot are matched for connection, the positioning can be quickly realized during connection, the connection efficiency is improved, meanwhile, the internal fixing screw sleeve outside the screw rod is matched with the internal connecting thread to quickly fix the main body, the integral connection is convenient, and the use is convenient.

2. According to the utility model, the fastening assembly is arranged, when the hexagonal plug is connected with the hexagonal slot, the clamping plate is ejected out of the fastening spring in the fastening assembly, the clamping plate is attached to the hexagonal plug, and meanwhile, the fastening spring constantly acts to fix the hexagonal plug, so that looseness is prevented, and the stability is improved.

Drawings

FIG. 1 is a schematic overall structure diagram of an embodiment of the present invention;

FIG. 2 is a schematic view of the inner groove and the fastening spring according to the embodiment of the present invention;

FIG. 3 is a schematic structural view of a splint according to an embodiment of the present invention;

FIG. 4 is a schematic structural diagram of a hexagonal socket according to an embodiment of the present invention;

fig. 5 is a schematic structural view of a plug pin limiting groove and a sealing groove according to an embodiment of the present invention.

In the figure: 1. a main body; 2. vortex-eliminating fins; 301. an inner tank; 302. a fastening spring; 303. a splint;

401. a hexagonal slot; 402. a hexagonal bolt; 403. external connecting threads; 404. an internal connection thread; 405. a limiting ring; 406. an internal fixed threaded sleeve; 407. a screw; 408. a bolt limiting groove; 409. a screw sleeve groove; 5. a sealing groove; 6. and (4) a sealing ring.

Detailed Description

In order to solve the problems that the conventional vortex elimination fin is inconvenient to operate and use when being installed, and the conventional vortex elimination fin is easy to shake between the vortex elimination fin and the connecting bolt after being installed, so that the use is influenced, the technical scheme in the embodiment of the utility model is clearly and completely described, and obviously, the described embodiment is only a part of the embodiment of the utility model, but not the whole embodiment. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1-5, the present embodiment provides an easy-to-install vortex elimination fin, which includes a main body 1 and vortex elimination fins 2, the vortex elimination fins 2 are installed outside the main body 1, and a connection structure for facilitating connection between the main body 1 and an external propeller is disposed inside the main body 1;

connection structure includes hexagonal slot 401, hexagonal bolt 402 and

screw rod

407, 1 inside hexagonal slot 401 that is provided with of main part, hexagonal slot 401 both ends are provided with bolt spacing groove 408 and swivel nut groove 409 respectively, hexagonal slot 401 is pegged graft and is had hexagonal bolt 402, hexagonal bolt 402 one end is provided with spacing ring 405, and spacing ring 405 cup joints inside bolt spacing groove 408, the hexagonal bolt 402 other end is provided with screw rod 407, the screw rod 407 both ends are provided with external connection screw thread 403 and internal connection screw thread 404 respectively, and screw rod 407 connects inside hexagonal bolt 402 through internal connection screw thread 404, internal connection screw thread 404 outside threaded connection has internal fixation swivel nut 406, and internal fixation swivel nut 406 installs inside swivel nut groove 409.

In this embodiment, during installation, firstly, the hexagonal socket 402 is inserted into the hexagonal socket 401 inside the main body 1, the outer side of the hexagonal socket 402 is attached inside the hexagonal socket 401 and is simultaneously abutted against the clamping plate 303 inside the fastening component, the clamping plate 303 drives the fastening spring 302 inside the inner groove 301 to contract and accumulate force, the fastening spring 302 is simultaneously abutted against the clamping plate 303, the clamping plate 303 fixes the hexagonal socket 402, then the hexagonal socket 402 is integrally inserted into the hexagonal socket 1, the limiting ring 405 is inserted into the socket limiting groove 408, and the sealing ring 6 is driven into the sealing groove 5, at this time, the inner fixing thread insert 406 and the inner connecting thread 404 are fixed, the inner fixing thread insert 406 is fixed inside the thread insert groove 409, and then, the outer connecting thread 403 outside the screw rod 407 is connected and fixed with an external propeller, and installation is completed.

Example 2

Referring to fig. 1-5, a further improvement is made on the basis of embodiment 1: the hexagonal socket 401 is internally provided with a fastening assembly for reducing the shaking of the hexagonal bolt 402, the fastening assembly comprises an inner groove 301, a fastening spring 302 and a clamping plate 303, the inner groove 301 is formed between two opposite surfaces in the hexagonal socket 401, the fastening spring 302 is connected in the inner groove 301, the clamping plate 303 is connected above the fastening spring 302 and is attached to the outer side of the hexagonal bolt 402, the fastening assembly effectively reduces the shaking of the hexagonal bolt 402, the connection stability is improved, a sealing groove 5 is formed in the bolt limiting groove 408, a sealing ring 6 is arranged on the outer side of the limiting ring 405, the sealing ring 6 is connected to the sealing groove 5, the sealing ring 6 is matched with the sealing groove 5 for use, the inner part of the hexagonal socket 401 can be sealed, the internal corrosion condition is effectively reduced, the service life is prolonged, the number of the vortex-eliminating fins 2 is several, and the number of the fastening springs 302 is several, the tightening effect of the tightening springs 302 is better, the length of the hexagonal socket 402 is the same as that of the hexagonal socket 401, and the sizes of the external connection thread 403 and the internal connection thread 404 are different.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An easy-to-install vortex-eliminating fin, comprising a main body (1) and vortex-eliminating fins (2), characterized in that: vortex-eliminating fins (2) are arranged on the outer side of the main body (1), and a connecting structure which is convenient for the main body (1) to be connected with an external propeller is arranged in the main body (1);

the connecting structure comprises a hexagonal socket (401), a hexagonal bolt (402) and a screw rod (407), the hexagonal socket (401) is arranged in the main body (1), a bolt limiting groove (408) and a thread sleeve groove (409) are respectively arranged at two ends of the hexagonal socket (401), the hexagonal bolt (402) is inserted in the hexagonal socket (401), a limiting ring (405) is arranged at one end of the hexagonal bolt (402), the limiting ring (405) is sleeved in the bolt limiting groove (408), the screw rod (407) is arranged at the other end of the hexagonal bolt (402), an external connecting thread (403) and an internal connecting thread (404) are respectively arranged at two ends of the screw rod (407), the screw rod (407) is connected in the hexagonal bolt (402) through the internal connecting thread (404), and an internal fixing thread sleeve (406) is in threaded connection with the external side of the internal connecting thread (404), and the internal fixing thread insert (406) is installed inside the thread insert groove (409).

2. An easy to install vortex reducing fin according to claim 1, wherein: hexagonal slot (401) inside be provided with be used for reducing the fastening components that hexagonal bolt (402) rocked, fastening components includes inside groove (301), fastening spring (302) and splint (303), inside groove (301) have been seted up in the middle of two inside opposite faces of hexagonal slot (401), inside groove (301) internal connection has fastening spring (302), fastening spring (302) top is connected with splint (303), just splint (303) laminating is in the hexagonal bolt (402) outside.

3. An easy to install vortex reducing fin according to claim 1, wherein: seal groove (5) have been seted up to bolt spacing groove (408) inside, spacing ring (405) outside is provided with sealing ring (6), just sealing ring (6) are connected seal groove (5).

4. An easy to install vortex reducing fin according to claim 1, wherein: the number of the vortex-eliminating fins (2) is several.

5. An easy to install vortex reducing fin according to claim 2, wherein: the number of the fastening springs (302) is several.

6. An easy to install vortex reducing fin according to claim 1, wherein: the length of the hexagonal bolt (402) is the same as that of the hexagonal socket (401).

7. An easy to install vortex reducing fin according to claim 1, wherein: the external connection thread (403) and the internal connection thread (404) have different thread sizes.