Sealing ring, shaft sealing assembly, ship propeller and ship

Abstract

The utility model discloses a sealing ring, a shaft sealing assembly, a ship propeller and a ship. The sealing ring comprises an outer ring body and an inner ring body. The inner ring body is located on the inner side of the outer ring body, the inner ring body is connected to the outer ring body, an annular cavity is formed between the inner ring body and the outer ring body, a threaded spiral rib is arranged on the inner ring face of the inner ring body, and the threaded spiral rib extends in the length direction of a center groove of the inner ring body and in the circumferential direction of the center groove. The inner ring body of the sealing ring is in close contact with the transmission shaft of the ship propeller, in the rotating process of the transmission shaft, the threaded spiral rib is extruded, a gap between the threaded spiral rib and the transmission shaft is compressed, liquid permeating between the transmission shaft and the sealing ring is pushed and discharged, and the liquid is prevented from entering a cabin.

Description

Technical Field

[0001] The utility model relates to the technical field of ships, in particular to a sealing ring, a shaft sealing component, a ship propeller and a ship. Background Art

[0002] The toy boat is equipped with a propeller, which rotates and acts on the water, generating power to drive the boat forward. The boat is usually equipped with a motor and a transmission shaft. The boat is provided with a shaft slot for the transmission shaft, and the transmission shaft rotatably passes through the shaft slot. The propeller is connected to the transmission shaft, and the motor is connected to the transmission shaft. There is a gap between the transmission shaft and the shaft slot. When the boat is on the water for a long time, there is a problem that water will penetrate into the gap and eventually into the boat, affecting the normal operation of each module in the boat, and there are certain hidden dangers.

[0003] In view of this, the present utility model is proposed. Utility Model Content

[0004] The utility model provides a sealing ring, a shaft sealing component, a ship propeller and a ship.

[0005] This application provides the following technical solutions:

[0006] The first object of the present application is to provide a sealing ring, comprising:

[0007] Exosome;

[0008] An inner ring body, wherein the inner ring body is located on the inner side of the outer ring body and is connected to the outer ring body, wherein an annular cavity is provided between the inner ring body and the outer ring body, and threaded ribs are provided on the inner ring surface of the inner ring body, wherein the threaded ribs extend along the length direction and the circumference direction of the center groove of the inner ring body.

[0009] Optionally, the sealing ring includes a tightening member;

[0010] The tightening member is located in the annular cavity, and the tightening member is sleeved on the inner ring body.

[0011] Optionally, the tightening member is an annular elastic member.

[0012] Optionally, a side of the inner ring body facing the outer ring body is provided with an annular groove;

[0013] The tightening member is embedded in the annular groove.

[0014] Optionally, the inner ring body and the outer ring body are connected via a connecting ring, and the annular cavity is formed between the outer ring body, the inner ring body and the connecting ring;

[0015] The annular groove is located on a side of the inner ring body away from the connecting ring.

[0016] The second object of the present application is to provide a shaft sealing assembly, comprising:

[0017] A sleeve having a cavity and two ports communicating with the cavity;

[0018] A bearing, wherein the bearing is disposed in the cavity, and an outer ring of the bearing is fitted to an inner wall of the sleeve;

[0019] The sealing ring mentioned above is located in the cavity, and the outer ring body of the sealing ring is in contact with the inner wall of the sleeve.

[0020] Optionally, the shaft sealing assembly includes two sealing rings, and the two sealing rings are arranged at an interval;

[0021] The bearing is located between the two sealing rings.

[0022] Optionally, an oil filling port connected to the cavity is provided on the sleeve.

[0023] Optionally, the sleeve has a middle cavity and end cavities located on both sides of the middle cavity;

[0024] The inner diameter of the middle cavity is smaller than the inner diameter of the end cavity, and an annular step surface is formed between the middle cavity and the end cavity;

[0025] A bearing and a sealing ring are arranged in each end cavity, and the bearing is located between the sealing ring and the annular step surface.

[0026] The third object of the present application is to provide a ship propeller, comprising:

[0027] A propeller body, the propeller body having an axle-through groove, a mounting groove and a mouth, the axle-through groove and the mounting groove are connected, the mouth is located on a side of the mounting groove away from the axle-through groove, and the mouth is connected to the mounting groove;

[0028] The shaft seal assembly mentioned above, wherein the shaft seal assembly is embedded in the mounting groove;

[0029] A stopper, the stopper being detachably connected to the propeller body, the stopper sealing a portion of the mouth, the stopper being limited to one end of the shaft seal assembly;

[0030] A transmission shaft, the transmission shaft passes through the shaft groove, the shaft seal assembly and the mouth, and the transmission shaft is connected to a propeller;

[0031] A main drive assembly is arranged on the propeller body and is transmission-connected to the transmission shaft.

[0032] The fourth object of the present application is to provide a ship, comprising:

[0033] main body of the ship;

[0034] The above-mentioned ship propulsion device, wherein the propulsion device body of the ship propulsion device is connected to the ship body.

[0035] By adopting the above technical solution, the present application has the following beneficial effects:

[0036] The inner ring body of the sealing ring provided in the embodiment of the present application is in close contact with the drive shaft of the ship propeller. During the rotation of the drive shaft, the threaded ribs are squeezed, the gap between the threaded ribs and the drive shaft is compressed, and the liquid that has seeped between the drive shaft and the sealing ring is pushed out to prevent the liquid from entering the cabin. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] The accompanying drawings are part of this application and are used to provide a further understanding of the utility model. The schematic embodiments of the utility model and their descriptions are used to explain the utility model, but do not constitute an improper limitation of the utility model. Obviously, the drawings described below are only some embodiments. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0038] Figure 1 A schematic diagram of the structure of a ship propeller provided by an embodiment of the utility model;

[0039] Figure 2 for Figure 1 Another perspective of the picture;

[0040] Figure 3 A cross-sectional view of a ship propeller provided by an embodiment of the utility model;

[0041] Figure 4 A schematic structural diagram of a retrograde regulating member of a ship propeller provided in an embodiment of the utility model;

[0042] Figure 5 A schematic diagram of the structure of a shaft seal assembly provided by an embodiment of the utility model and arranged on a ship propeller;

[0043] Figure 6 A schematic diagram of the structure of a sealing ring provided in an embodiment of the utility model;

[0044] Figure 7 A cross-sectional view of a sealing ring provided in an embodiment of the utility model.

[0045] In the figure: 1. sealing ring; 11. outer ring body; 12. inner ring body; 121. threaded spiral rib; 122. annular groove; 13. connecting ring; 14. tightening piece; 2. sleeve; 21. oil filling port; 3. bearing; 4. propeller body; 41. mounting groove; 42. first water flow channel; 43. water inlet; 44. support plate; 5. block; 6. transmission shaft; 61. propeller; 7. main drive assembly; 8. direction adjustment member; 81. second water flow channel; 82. drain outlet; 83. connecting seat; 9. reverse adjustment member; 91. reverse flow channel; 92. diverter rib; 93. water inlet; 10. first servo; 20. first connecting rod assembly; 30. second servo; 40. second connecting rod assembly; a. shaft sealing assembly; b. plug body. DETAILED DESCRIPTION

[0046] In order to make the purpose, technical solutions and advantages of the embodiments of the utility model clearer, the technical solutions in the embodiments will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. The following embodiments are used to illustrate the utility model but are not used to limit the scope of the utility model.

[0047] In the description of the present invention, it should be noted that the terms "upper", "lower", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention.

[0048] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation" and "connection" 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 an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0049] See also Figure 6 and Figure 7As shown, the embodiment of the present application provides a sealing ring 1, comprising: an outer ring body 11 and an inner ring body 12, wherein the inner ring body 12 is located on the inner side of the outer ring body 11, and the inner ring body 12 is connected to the outer ring body 11, and an annular cavity is provided between the inner ring body 12 and the outer ring body 11, and a threaded rib 121 is provided on the inner ring surface of the inner ring body 12, and the threaded rib 121 extends along the length direction of the center groove of the inner ring body 12 and the circumferential direction of the center groove. The sealing ring 1 provided by the embodiment of the present application can be used on a toy ship, and the inner ring body 12 can be in close contact with the transmission shaft 6 of the ship propeller. During the rotation of the transmission shaft 6, the threaded rib 121 is squeezed, and the gap between the threaded rib 121 and the transmission shaft 6 is compressed, and the liquid that penetrates between the transmission shaft 6 and the sealing ring 1 is pushed out in the reverse direction to prevent the liquid from entering the cabin.

[0050] Specifically, the outer ring body 11 can be a hard structure or a semi-hard structure, which is convenient for interference fit with the inner wall of the sleeve 2 on the shaft seal assembly a. The inner ring body 12 is a flexible material or a semi-hard structure, which can be in close contact with the ship's transmission shaft 6 to play a sealing role. The inner ring body 12 is provided with a spiral thread rib 121 on the side facing the transmission shaft 6. The thread rib 121 is a whole convex rib. The rotation direction of the thread rib 121 is consistent with the rotation direction of the transmission shaft 6. A spiral channel is formed between the thread rib 121 and the transmission shaft 6. During the rotation of the transmission shaft 6, the spiral channel can be compressed to squeeze out the liquid that has penetrated into the channel in the opposite direction, thereby preventing the liquid from penetrating into the interior of the hull.

[0051] In some possible embodiments, the sealing ring 1 includes a tightening piece 14, which is located in the annular cavity. The tightening piece 14 is sleeved on the inner ring body 12. Under the action of the tightening force of the tightening piece 14, the inner ring surface of the inner ring body 12 tightly fits the outer surface of the transmission shaft 6.

[0052] In some possible implementations, the tightening member 14 is an annular elastic member, for example, the tightening rib may be a rubber band, an annular spring, a rubber ring, etc., which can continuously and effectively apply tightening force to the inner ring body 12 .

[0053] In some possible implementations, the inner ring body 12 is provided with an annular groove 122 on one side facing the outer ring body 11, and the tightening member 14 is embedded in the annular groove 122. The annular groove 122 serves to position the tightening member 14 and prevent the tightening member 14 from falling off.

[0054] In some possible implementations, the inner ring body 12 and the outer ring body 11 are connected by a connecting ring 13, the annular cavity is formed between the outer ring body 11, the inner ring body 12 and the connecting ring 13, and the annular groove 122 is located on the side of the inner ring body 12 away from the connecting ring 13. The connecting ring 13 is located at one end of the inner ring body 12, and the other end of the inner ring body 12 is suspended and more easily deformed. By arranging a tightening member 14 at this end, the inner ring body 12 and the transmission shaft 6 can be in close contact.

[0055] See also Figure 5 As shown, the embodiment of the present application also provides a shaft seal assembly a, including: a sleeve 2, a bearing 3 and the above-mentioned sealing ring 1. The sleeve 2 has a cavity and two ports connected to the cavity, the bearing 3 is arranged in the cavity, the outer ring of the bearing 3 is attached to the inner wall of the sleeve 2, the sealing ring 1 is located in the cavity, and the outer ring body 11 of the sealing ring 1 is attached to the inner wall of the sleeve 2. The outer ring body 11 of the sealing ring 1 can be a hard structure, and the outer ring body 11 and the inner wall of the sleeve 2 can be in close contact, for example, the outer ring body 11 is arranged in the cavity with an interference fit.

[0056] In some possible implementation schemes, the shaft sealing assembly a includes two sealing rings 1 , the two sealing rings 1 are arranged at an interval, and the bearing 3 is located between the two sealing rings 1 .

[0057] In this embodiment, two sealing rings 1 are located at both ends of the sleeve 2, and double-layer sealing has a better waterproof effect. Sealing oil can be set in the space formed between the two layers of sealing rings 1 to further play a sealing role. The sealing oil can be contained between the two sealing rings 1, and the setting of the sealing ring 1 prevents the sealing oil from leaking.

[0058] In some possible implementation schemes, an oil filling port 21 communicating with the cavity is provided on the sleeve 2 , and sealing oil can be added into the interior of the sleeve 2 through the oil filling port 21 .

[0059] In some possible implementations, the sleeve 2 has a middle cavity and end cavities located on both sides of the middle cavity, the inner diameter of the middle cavity is smaller than the inner diameter of the end cavities, an annular step surface is formed between the middle cavity and the end cavities, a bearing 3 and a sealing ring 1 are arranged in each of the end cavities, and the bearing 3 is located between the sealing ring 1 and the annular step surface. The oil filling port 21 can be located between the two bearings 3. A bypass port is provided on the thruster body 4 corresponding to the oil filling port 21 of the sleeve 2, and the bypass port can be detachably provided with a plug body b for sealing or opening the bypass port to facilitate oil filling.

[0060] See also Figures 1 to 5As shown, the embodiment of the present disclosure provides a ship propeller, including: a propeller body 4, a shaft sealing assembly a, a stopper 5, a transmission shaft 6 and a main drive assembly 7. The propeller body 4 has a shaft through groove, a mounting groove 41 and a mouth, the shaft through groove and the mounting groove 41 are connected, the mouth is located on the side of the mounting groove 41 away from the shaft through groove, and the mouth is connected to the mounting groove 41. The shaft sealing assembly a is embedded in the mounting groove 41, the stopper 5 is detachably connected to the propeller body 4, the stopper 5 closes part of the mouth, and the stopper 5 is limited to one end of the shaft sealing assembly a. The transmission shaft 6 runs through the shaft through groove, the shaft sealing assembly a and the mouth, the transmission shaft 6 is connected to a propeller 61, the main drive assembly 7 is arranged on the propeller body 4, and the main drive assembly 7 is transmission-connected to the transmission shaft 6. The main drive assembly 7 can be a motor.

[0061] In some possible embodiments, a ship propeller includes: a propeller body 4, a direction adjusting member 8, a reverse flow adjusting member 9, a driving mechanism, a propeller 61 and a main driving assembly 7. The propeller body 4 has a first water flow channel 42 and a water inlet 43 connected to the first water flow channel 42. The direction adjusting member 8 is movably connected to the propeller body, and the direction adjusting member 8 has a second water flow channel 81 and a drain 82, and the second water flow channel 81 is connected to the first water flow channel 42. The reverse flow adjusting member 9 is movably connected to the propeller body 4, and the reverse flow adjusting member 9 has a reverse flow channel 91 and a water inlet 93 at the middle position connected to the reverse flow channel 91, and the two ends of the reverse flow channel 91 are respectively bent to extend to one side of the propeller body 4. The driving mechanism is arranged on the propeller body 4, and is respectively connected to the direction adjusting member 8 and the reverse flow adjusting member 9 in transmission connection. The propeller 61 is arranged in the first water flow channel 42, the main drive assembly 7 is arranged in the propeller body 4, and the main drive assembly 7 is connected to the propeller 61 by transmission. The ship propeller has a forward running state and a reverse running state. In the forward running state, the driving mechanism drives the reverse adjustment member 9 to shift, so that the water inlet 93 and the drain 82 are misaligned, and the driving mechanism can control the direction adjustment member 8 to swing and adjust the left and right position of the drain 82, thereby achieving the control of the left and right movement of the ship. In the reverse running state, the driving mechanism drives the reverse adjustment member 9 to shift, so that the water inlet 93 faces the drain 82. The water discharged from the drain 82 directly enters the water inlet 93, and is discharged after the reverse adjustment member 9 changes the flow direction by approximately 180 degrees, thereby achieving the purpose of driving the ship to move in the reverse direction.

[0062] In some possible implementations, the direction adjusting member 8 and the reverse adjusting member 9 are both rotatably connected to the propeller body 4, and the rotation direction of the direction adjusting member 8 is perpendicular to the rotation direction of the reverse adjusting member 9. The driving mechanism drives the direction adjusting member 8 to rotate to adjust the travel direction, and the driving mechanism drives the reverse adjusting member 9 to swing to switch the forward running state or the reverse running state. The rotation direction of the direction adjusting member 8 is perpendicular to the rotation direction of the reverse adjusting member 9, and the position of the reverse adjusting member 9 can be easily changed, so that the water inlet 93 of the reverse adjusting member 9 is staggered or opposite to the water outlet 82 of the direction adjusting member 8.

[0063] In some possible embodiments, the driving mechanism includes a first servo engine 10 and a first connecting rod assembly 20, wherein the first servo engine 10 is disposed on the thruster body 4, one end of the first connecting rod assembly 20 is connected to the first servo engine 10, and the other end of the first connecting rod assembly 20 is connected to the retrograde adjusting member 9.

[0064] The driving mechanism includes a second steering gear 30 and a second connecting rod assembly 40 . The second steering gear 30 is disposed on the propeller body 4 . One end of the second connecting rod assembly 40 is connected to the second steering gear 30 , and the other end of the second connecting rod assembly 40 is connected to the direction adjusting member 8 .

[0065] The first steering gear 10 and the second steering gear 30 are respectively arranged on both sides of the propeller body 4 along the width direction.

[0066] In some possible implementation schemes, a support plate 44 is provided on the propeller body 4 , and the first connecting rod assembly 20 and the second connecting rod assembly 40 are respectively slidably passed through the support plate 44 .

[0067] The support plate 44 is provided with through holes, and one connecting rod of the first connecting rod assembly 20 can slide through the corresponding through hole, and another connecting rod of the second connecting rod assembly 40 can slide through the corresponding through hole.

[0068] In some possible implementations, a connecting seat 83 is provided on the direction adjusting member 8, and the connecting seat 83 has an extension plate, which extends along the width direction of the propeller body 4, and the end of the second connecting rod assembly 40 is hinged to the extension plate.

[0069] Driven by the second steering gear 30, the second connecting rod assembly 40 telescopically moves, driving the extension plate to rotate, thereby adjusting the angle of the direction adjustment member 8. The first connecting rod assembly and the second connecting rod may include three connecting rods, and adjacent connecting rods are hinged.

[0070] In some possible implementations, the retrograde adjustment member 9 has two fixed connecting rods, which are respectively located on both sides of the direction adjustment member 8. The connecting rods are hinged to the propeller body 4, and the two connecting rods can swing up and down.

[0071] The inner wall of the turning channel is provided with a diverter rib 92 , which protrudes toward the water inlet 93 . After the water flow sprayed from the second water flow channel 81 enters the water inlet 93 , it is evenly diverted by the diverter rib 92 and flows to the two ends of the reverse flow channel 91 .

[0072] The disclosed embodiment also provides a ship, including: a ship body and the above-mentioned ship propeller, wherein the propeller body 4 of the ship propeller is connected to the ship body.

[0073] The preferred embodiments of the present application disclosed above are only used to help explain the present application. The preferred embodiments do not describe all the details in detail, nor do they limit the present application to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present application, so that those skilled in the art can understand and use the present application well. The present application is limited only by the claims and their full scope and equivalents.

Claims

1. A sealing ring, characterized in that: include: Exosome; An inner ring body, wherein the inner ring body is located on the inner side of the outer ring body and is connected to the outer ring body, wherein an annular cavity is provided between the inner ring body and the outer ring body, and threaded ribs are provided on the inner ring surface of the inner ring body, wherein the threaded ribs extend along the length direction and the circumference direction of the center groove of the inner ring body.

2. The sealing ring according to claim 1, characterized in that: Including tightening piece; The tightening member is located in the annular cavity, and the tightening member is sleeved on the inner ring body.

3. The sealing ring according to claim 2, characterized in that: The tightening member is an annular elastic member.

4. The sealing ring according to claim 3, characterized in that: The inner ring body is provided with an annular groove on one side facing the outer ring body; The tightening member is embedded in the annular groove.

5. The sealing ring according to claim 4, characterized in that: The inner ring body and the outer ring body are connected by a connecting ring, and the annular cavity is formed between the outer ring body, the inner ring body and the connecting ring; The annular groove is located on a side of the inner ring body away from the connecting ring.

6. A shaft seal assembly, characterized in that: include: A sleeve having a cavity and two ports communicating with the cavity; A bearing, wherein the bearing is disposed in the cavity, and an outer ring of the bearing is fitted to an inner wall of the sleeve; The sealing ring as described in any one of claims 1 to 5, wherein the sealing ring is located in the cavity, and the outer ring body of the sealing ring is in contact with the inner wall of the sleeve.

7. The shaft seal assembly according to claim 6, characterized in that It comprises two sealing rings, and the two sealing rings are arranged at intervals; The bearing is located between the two sealing rings.

8. The shaft seal assembly according to claim 6, characterized in that The sleeve is provided with an oil filling port connected with the cavity.

9. The shaft seal assembly according to claim 6, characterized in that The sleeve has a middle cavity and end cavities located on both sides of the middle cavity; The inner diameter of the middle cavity is smaller than the inner diameter of the end cavity, and an annular step surface is formed between the middle cavity and the end cavity; A bearing and a sealing ring are arranged in each end cavity, and the bearing is located between the sealing ring and the annular step surface.

10. A ship propeller, characterized in that: include: A propeller body, the propeller body having an axle-through groove, a mounting groove and a mouth, the axle-through groove and the mounting groove are connected, the mouth is located on a side of the mounting groove away from the axle-through groove, and the mouth is connected to the mounting groove; The shaft seal assembly according to any one of claims 6 to 9, wherein the shaft seal assembly is embedded in the mounting groove; A stopper, the stopper being detachably connected to the propeller body, the stopper sealing a portion of the mouth, the stopper being limited to one end of the shaft seal assembly; A transmission shaft, the transmission shaft passes through the shaft groove, the shaft seal assembly and the mouth, and the transmission shaft is connected to a propeller; A main drive assembly is arranged on the propeller body and is transmission-connected to the transmission shaft.

11. A ship, characterized in that: include: main body of the ship; The ship propulsion device according to claim 10, wherein the propulsion device body is connected to the ship body.

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