CN210235293U - Propeller hub connecting shaft structure of propeller - Google Patents
Propeller hub connecting shaft structure of propeller Download PDFInfo
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- CN210235293U CN210235293U CN201921231316.6U CN201921231316U CN210235293U CN 210235293 U CN210235293 U CN 210235293U CN 201921231316 U CN201921231316 U CN 201921231316U CN 210235293 U CN210235293 U CN 210235293U
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- propeller
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- propeller hub
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Abstract
The utility model provides a propeller hub connecting axle structure relates to propeller technical field, including connecting the outer axle, connect the outer external fixed surface of axle and be connected with the fixed block, the outer fixed surface of fixed block is connected with coupling mechanism, coupling mechanism's surface is provided with the propeller shell, it is provided with the blade connecting piece to connect the one end of outer axle, one side surface of blade connecting piece is provided with the propeller tail, connect the outer other end external fixed surface of axle and be connected with the disk connecting block. Propeller hub connecting axle structure, be equipped with coupling mechanism and sealing mechanism, can make fixed block propeller hub connecting axle and be connected outer shaft coupling more firm to can avoid water to enter into the inside of connecting the outer axle through the junction, then enter into the inside of propeller hub, prevent inside lubricating oil leakage and the water entering propeller in the propeller hub, bring better use prospect.
Description
Technical Field
The utility model relates to a propeller field, in particular to propeller hub connecting axle structure.
Background
The propeller is arranged at an accelerating device at the tail part of a steamship, a propeller hub is a position where each blade is installed and combined, is positioned at the tail end of the propeller, is mostly in a cone shape or a circular truncated cone shape, is mutually attached to a stern shaft, is provided with a key groove at the back and is embedded with a key, and the stern shaft drives the propeller to rotate.
The existing propeller hub connecting shaft structure of the propeller has certain defects when in use, firstly, the connecting shaft is not firmly connected with a propeller shell, secondly, the connecting shaft and a stern shaft are conical, the joint is not sealed, lubricating oil leakage is easily caused, water enters the propeller, certain influence is brought to the using process of people, and therefore the propeller hub connecting shaft structure of the propeller is provided.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a main aim at provides propeller hub connecting axle structure can effectively solve the problem among the background art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
propeller hub connecting axle structure, including connecting outer axle, the outer external fixed surface of axle is connected and is connected the fixed block, the external fixed surface of fixed block is connected with coupling mechanism, coupling mechanism's surface is provided with the propeller shell, the one end of connecting outer axle is provided with the blade connecting piece, one side surface of blade connecting piece is provided with the propeller tail, connect the outer other end external fixed surface of axle and be connected with the disk connecting block, the surface of disk connecting block is provided with sealing mechanism, the internal surface of connecting outer axle is provided with interior axle.
Preferably, coupling mechanism includes threaded rod, outer hexagon nut and built-in retainer plate, the outer fixed surface of fixed block is connected with built-in retainer plate, the one side surface of built-in retainer plate is run through to the one end surface of threaded rod, and the pitch of screw thread is 2mm, the other end outer fixed surface of built-in retainer plate is connected with outer hexagon nut.
Preferably, the sealing mechanism comprises a sealing ring, a steel ring, a connecting hole and an inner hexagonal screw, the sealing ring is arranged on the outer surface of the disc-shaped connecting block, the steel ring is arranged on the outer surface of the sealing ring, the connecting hole is formed in the outer surface of the steel ring, and the inner hexagonal screw is arranged on the outer surface of the connecting hole.
Preferably, the outer surface of the threaded rod is fixedly connected with the outer surface of one side of the built-in fixing ring through threads, and the outer surface of the fixing block is fixedly connected with the outer surface of the middle of the built-in fixing ring through a welding iron.
Preferably, the inner diameter of the sealing ring is equal to the outer diameter of the disc-shaped connecting block, and the outer surface of one end of the inner hexagonal screw penetrates through the outer surface of the sealing ring after passing through the connecting hole.
Preferably, the outer surface of the disc-shaped connecting block is provided with a fixing hole, and the inner surface of the fixing hole is provided with a fixing thread.
Preferably, the outer surface of one end of the propeller tail is fixedly connected with the outer surface of one side of the blade connecting piece, and the propeller tail is conical.
Advantageous effects
Compared with the prior art, the utility model provides a propeller hub connecting axle structure possesses following beneficial effect:
1. this screw propeller hub connecting axle structure, through the coupling mechanism who sets up, insert the threaded rod in the propeller shell to make the threaded rod rotate through rotating outer hexagon nut, make the threaded rod run through built-in retainer plate and be connected with the propeller shell through the screw thread, thereby make firm in connection between built-in retainer plate and the propeller shell, fixed block and built-in retainer plate fixed connection, fixed connection between outer axle and the fixed block of connection, thereby can make and be connected between outer axle and the propeller shell and stabilize more.
2. This screw propeller hub connecting axle structure, sealing mechanism through setting up, change the connecting axle into the disc with stern junction, overlap the sealing washer on disc connecting block surface during the connection, then overlap the steel ring on the sealing washer surface, and make the connecting hole align with the pore on sealing washer surface, pass connecting hole and sealing washer with interior hexagonal screw, insert in the fixed orifices on disc connecting block surface, screw up through the fixed thread, fix stern with the principle, thereby can avoid water to enter into the inside of connecting the outer axle through the junction, then enter into the inside of propeller hub, prevent inside lubricating oil leakage and the water entering propeller in the propeller hub, the messenger is favorable to people to use, whole screw propeller hub connecting axle simple structure, and convenient for operation, the effect of use is better for traditional mode.
Drawings
Fig. 1 is a schematic overall structure diagram of a propeller hub connecting shaft structure of the propeller of the present invention;
fig. 2 is a schematic structural diagram of a connecting mechanism in a propeller hub connecting shaft structure of the propeller of the present invention;
fig. 3 is a schematic structural diagram of a sealing mechanism in a propeller hub connecting shaft structure of the present invention.
In the figure: 1. connecting an outer shaft; 2. an inner shaft; 3. a fixed block; 4. a propeller housing; 5. a blade attachment; 6. a propeller tail; 7. a connecting mechanism; 71. a threaded rod; 72. an outer hexagonal nut; 73. a fixed ring is arranged inside; 8. a disk-shaped connecting block; 9. a sealing mechanism; 91. a seal ring; 92. steel rings; 93. connecting holes; 94. a hexagon socket head cap screw.
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 fig. 1-3, the propeller hub connecting shaft structure of the propeller includes a connecting outer shaft 1, a fixing block 3 is fixedly connected to the outer surface of the connecting outer shaft 1, a connecting mechanism 7 is fixedly connected to the outer surface of the fixing block 3, a propeller outer shell 4 is arranged on the outer surface of the connecting mechanism 7, a blade connecting piece 5 is arranged at one end of the connecting outer shaft 1, a propeller tail 6 is arranged on the outer surface of one side of the blade connecting piece 5, a disc-shaped connecting block 8 is fixedly connected to the outer surface of the other end of the connecting outer shaft 1, a sealing mechanism 9 is arranged on the outer surface of the disc.
Further, coupling mechanism 7 includes threaded rod 71, outer hexagon nut 72 and built-in retainer plate 73, the outer fixed surface of fixed block 3 is connected with built-in retainer plate 73, the one side surface that built-in retainer plate 73 was run through to the one end surface of threaded rod 71, the pitch of screw thread is 2mm, the other end outer fixed surface of built-in retainer plate 73 is connected with outer hexagon nut 72, insert threaded rod 71 in propeller shell 4, and make threaded rod 71 rotate through rotating outer hexagon nut 72, make threaded rod 71 run through built-in retainer plate 73 and be connected with propeller shell 4 through the screw thread, thereby make firm in connection between built-in retainer plate 73 and the propeller shell 4, fixed block 3 and built-in retainer plate 73 fixed connection, connect fixed connection between outer axle 1 and the fixed block 3, thereby can make and be connected more firmly between outer axle 1 and the propeller shell 4 of being connected.
Further, the sealing mechanism 9 comprises a sealing ring 91, a steel ring 92, a connecting hole 93 and an inner hexagonal screw 94, the outer surface of the disc-shaped connecting block 8 is provided with the sealing ring 91, the outer surface of the sealing ring 91 is provided with the steel ring 92, the outer surface of the steel ring 92 is provided with the connecting hole 93, the outer surface of the connecting hole 93 is provided with the inner hexagonal screw 94, the connecting position of the connecting shaft and the stern is changed into a disc shape, the sealing ring 91 is sleeved on the surface of the disc-shaped connecting block 8 during connection, then the steel ring 92 is sleeved on the surface of the sealing ring 91, the connecting hole 93 is aligned with the hole on the surface of the sealing ring 91, the inner hexagonal screw 94 penetrates through the connecting hole 93 and the sealing ring 91 and is inserted into the fixing hole on the surface of the disc-shaped connecting block 8, the fixing is carried out through fixing threads, and the, preventing the lubricant in the hub from leaking and water from entering the interior of the propeller.
The utility model discloses theory of operation and use flow: when the blade connecting piece is used, the sealing mechanism 9 is sleeved on the surface of the disc-shaped connecting block 8, the disc-shaped connecting block 8 is connected with a stern connecting part, the sealing mechanism 9 is fixed by using the inner hexagonal screw 94, the sealing performance of the connecting part is enhanced, the threaded rod 71 is inserted into the propeller shell 4, the threaded rod 71 is rotated by rotating the outer hexagonal nut 72, the threaded rod 71 penetrates through the built-in fixing ring 73 through threads and is connected with the propeller shell 4, and finally the blades are installed on the blade connecting piece 5.
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 (7)
1. Propeller hub connecting shaft structure, including connecting outer axle (1), its characterized in that: the outer fixed surface who connects outer axle (1) is connected with fixed block (3), the outer fixed surface of fixed block (3) is connected with coupling mechanism (7), the surface of coupling mechanism (7) is provided with propeller shell (4), the one end of connecting outer axle (1) is provided with blade connecting piece (5), one side surface of blade connecting piece (5) is provided with propeller tail (6), the other end outer fixed surface who connects outer axle (1) is connected with disk connecting block (8), the surface of disk connecting block (8) is provided with sealing mechanism (9), the internal surface of connecting outer axle (1) is provided with interior axle (2).
2. A propeller hub connection shaft structure according to claim 1, wherein: coupling mechanism (7) include threaded rod (71), outer hexagon nut (72) and built-in retainer plate (73), the external fixed surface of fixed block (3) is connected with built-in retainer plate (73), the one side surface of built-in retainer plate (73) is run through to the one end surface of threaded rod (71), and the pitch of screw thread is 2mm, the other end external fixed surface of built-in retainer plate (73) is connected with outer hexagon nut (72).
3. A propeller hub connection shaft structure according to claim 1, wherein: the sealing mechanism (9) comprises a sealing ring (91), a steel ring (92), a connecting hole (93) and an inner hexagonal screw (94), the sealing ring (91) is arranged on the outer surface of the disc-shaped connecting block (8), the steel ring (92) is arranged on the outer surface of the sealing ring (91), the connecting hole (93) is formed in the outer surface of the steel ring (92), and the inner hexagonal screw (94) is arranged on the outer surface of the connecting hole (93).
4. A propeller hub connection shaft structure according to claim 2, wherein: the outer surface of the threaded rod (71) is fixedly connected with the outer surface of one side of the built-in fixing ring (73) through threads, and the outer surface of the fixing block (3) is fixedly connected with the outer surface of the middle of the built-in fixing ring (73) through a soldering iron.
5. A propeller hub connection shaft structure according to claim 3, wherein: the inner diameter of the sealing ring (91) is equal to the outer diameter of the disc-shaped connecting block (8), and the outer surface of one end of the inner hexagonal screw (94) penetrates through the outer surface of the sealing ring (91) after passing through the connecting hole (93).
6. A propeller hub connection shaft structure according to claim 1, wherein: the outer surface of the disc-shaped connecting block (8) is provided with a fixing hole, and the inner surface of the fixing hole is provided with a fixing thread.
7. A propeller hub connection shaft structure according to claim 1, wherein: the outer surface of one end of the propeller tail (6) is fixedly connected with the outer surface of one side of the blade connecting piece (5), and the propeller tail (6) is conical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921231316.6U CN210235293U (en) | 2019-08-01 | 2019-08-01 | Propeller hub connecting shaft structure of propeller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921231316.6U CN210235293U (en) | 2019-08-01 | 2019-08-01 | Propeller hub connecting shaft structure of propeller |
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| Publication Number | Publication Date |
|---|---|
| CN210235293U true CN210235293U (en) | 2020-04-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921231316.6U Active CN210235293U (en) | 2019-08-01 | 2019-08-01 | Propeller hub connecting shaft structure of propeller |
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| CN (1) | CN210235293U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112319751A (en) * | 2020-10-13 | 2021-02-05 | 北京航天控制仪器研究所 | Split type propeller hub installation and seal structure of underwater vehicle screw propeller |
-
2019
- 2019-08-01 CN CN201921231316.6U patent/CN210235293U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112319751A (en) * | 2020-10-13 | 2021-02-05 | 北京航天控制仪器研究所 | Split type propeller hub installation and seal structure of underwater vehicle screw propeller |
| CN112319751B (en) * | 2020-10-13 | 2021-10-01 | 北京航天控制仪器研究所 | Split type propeller hub installation and seal structure of underwater vehicle screw propeller |
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