WO2022199175A1

WO2022199175A1 - Marine propeller fixing device and marine propeller using same

Info

Publication number: WO2022199175A1
Application number: PCT/CN2021/141345
Authority: WO
Inventors: 陶师正; 王海洋; 王强
Original assignee: 广东逸动科技有限公司
Priority date: 2021-03-23
Filing date: 2021-12-24
Publication date: 2022-09-29
Also published as: CN115107980B; CN115107980A

Abstract

A marine propeller fixing device and a marine propeller using same. The marine propeller fixing device comprises a clamping component (1), a clamp base (2), a gear clamping frame (3) and a gear drag hook (4), wherein the clamping component (1) is provided with a clamping portion; the clamp base (2) is rotationally connected to the clamping component (1) by means of a first rotating shaft (61); one end of the gear clamping frame (3) is rotationally connected to the clamp base (2), and a clamping connection portion (32) is arranged at the other end of the gear clamping frame and can be clamped to/separated from the clamping portion so as to enable the clamp base (2) to be fixedly connected or rotatable relative to the clamping component (1); and the gear drag hook (4) is rotationally connected to the clamp base (2) and is located between the gear clamping frame (3) and the clamp base (2), the end of the gear drag hook (4) close to the clamping connection portion is provided with a drag hook portion (42), and the clamping connection portion (32) is clamped to/separated from the drag hook portion (42) such that the marine propeller can be switched between a normal working mode and a beaching working mode. By means of the marine propeller fixing device, the propeller can be switched between the working mode and the beaching working mode more conveniently and faster.

Description

Marine propulsion fixture and marine propulsion using the same

This application claims the priority of the Chinese patent application with the application number 2021103102257 filed on March 23, 2021 and the invention title is "Marine Propeller Fixing Device and Marine Propeller Using the Same", which is fully incorporated herein by reference Application.

【Technical field】

The invention relates to the field of marine machinery, in particular to a marine propeller fixing device and a marine propeller using the same.

【Background technique】

With the increase of economic level and water utilization rate, people's demand and use of small and medium-sized ships are more common. In inland and offshore areas, people can use yachts, inflatable boats or assault boats for water leisure and entertainment competitions, fishing boats for marine operations and marine transportation, and even boats and boats for military reconnaissance and patrolling.

For the above-mentioned small and medium-sized ships, marine propellers are generally used as their power equipment. Marine propulsion mainly includes main engine, control device and power source. According to the power source, marine propulsion can be divided into electric type and fuel type. The main engine includes a fixed device and a propeller. When the marine propeller is used, the main engine is fixed on the ship through the fixed device, and the propeller is located underwater, and the propeller rotates to generate propulsion, thereby propelling the ship forward. The user changes the magnitude and direction of the thrust of the propeller through the manipulation device, and then steers the boat.

When moving in water, the marine propeller is fixed to the ship through a fixing device, and the propeller is placed underwater to push the ship forward. At this time, the marine propeller is in an underwater attitude; when the marine propeller stops working, the marine propeller needs to be moved. Lift up, so that the marine propeller is in the water attitude, so it is necessary to switch the water or underwater attitude frequently during the use of the marine propeller.

Marine propellers in the related art generally use pin-hole matching to adjust the gear position of the marine propeller or switch the water or underwater attitude, which is inconvenient to operate, especially for the marine propellers with large volume and size, it is time-consuming and laborious to adjust. . In addition, when the ship travels to the shallow water area or needs to dock, because the marine propeller is fixed on the ship, the marine propeller is prone to collide with obstacles in the water or underwater. If the boat travels at a high speed, the marine propeller will be damaged or damaged. capsize.

[Content of the invention]

The invention provides a marine propeller fixing device and a marine propeller using the same, so as to solve the problems that the marine propeller in the prior art is prone to collision and inconvenient to operate in shallow water.

In order to solve the above technical problems, an embodiment of the present invention provides a marine propeller fixing device, which includes a clamping part, a clamp base, a gear holder and a gear hook:

The clamping part is used to fix the marine propeller on the ship, and the clamping part is provided with a clamping part; the clamp base is rotatably connected to the clamping part through the first rotating shaft; one end of the gear clamp is rotatably connected to the clamp base , the other end is provided with a clamping part, the clamping part can be engaged with or separated from the clamping part, so that the clamp base is fixedly connected or rotatable relative to the clamping part; During the rotation, it moves to the clamping part; the gear hook is rotatably connected to the fixture base, and is located between the gear clamping frame and the fixture base, and one end of the gear hook close to the clamping part is provided with a pulling hook part, and the clamping part is connected to the clamping part. The engagement or disengagement of the hook portion can switch the marine thruster between the normal working mode and the flushing mode.

The latching portion includes a first latching position and a second latching position, and the gear position holder can move to the first latching position and the second latching position respectively during the rotation process of the clamp base relative to the clamping member; wherein, the gear position Under the force of the elastic piece, the pull hook is clamped to the gear holder located at the first latching position or the second latching position, so that the gear holder is fixed at the first latching position or the second latching position; the first latching position corresponds to The underwater attitude of the marine propeller, and the second clamping position corresponds to the water attitude of the marine propeller.

Wherein, the first card position includes a plurality of gear positions, and when the gear position card frame is engaged with different gear positions, the marine propeller has different inclination angles with respect to the vertical plane.

Wherein, the engaging portion is automatically engaged with the hook portion under the action of gravity of the marine propeller.

Wherein, the clamping part includes two clamping plates arranged opposite to each other and two clamping pieces corresponding to the clamping plates, and the adjustable clamping pieces make the marine propeller and the ship fixedly connected.

Wherein, the clamping part and the hook part are clamped, so that when the force for separating the clamping part and the hook part is greater than a preset threshold value, the clamping part and the hook part can be automatically separated.

Wherein, the gear hook includes a lever portion, and the lever portion can be toggled to engage/separate the engaging portion and the hook portion.

Wherein, the marine propeller fixing device further includes a locking mechanism, which is used for locking the gear hook, so that the gear hook and the gear holder are kept in a separated state.

Wherein, the locking mechanism includes a locking structure and a limiting structure, the limiting structure is fixedly arranged on the fixture base, and the locking structure is slidably arranged on the limiting structure; wherein, when the locking structure slides to the first position relative to the limiting structure, The gear hook is kept separated from the gear holder; when the locking structure slides to the second position relative to the limit structure, the gear hook can be latched on the gear holder under the action of the elastic member.

In order to solve the above technical problems, the present invention also provides a marine propeller, which includes the above-mentioned marine propeller fixing device.

The beneficial effects of the present invention are: different from the prior art, the marine propeller fixing device of the present invention includes a clamping part, a clamp base, a gear clamp frame and a gear pull hook, the clamping part is provided with a clamping part, and the gear clamp The frame can be moved to the locking portion during the rotation process of the clamp base relative to the clamping member, so that the gear locking frame is located at different locking portions. At the same time, the other end of the gear clip frame is provided with a latching portion; one end of the gear pull hook close to the latching portion is provided with a latching portion. The clamping part is engaged with the hook part, so that the marine propeller is in the normal working mode; the clamping part is separated from the hook part, which can switch the working mode of the marine propeller and the attitude on water and underwater; the clamping part and the hook part are kept separated to Puts the marine thrusters in flush mode. That is, the marine propeller can be switched between the normal working mode and the flushing mode through the engagement/separation of the above-mentioned engaging portion and the hook portion, which is more convenient to operate and prevents damage to the marine propeller.

【Description of drawings】

1 is a perspective view of a first state of a marine propeller fixing device according to an embodiment of the present invention;

Fig. 2 is the structural schematic diagram of the clamping member shown in Fig. 1;

Fig. 3 is the partial schematic diagram of the second state of the marine propeller fixing device shown in Fig. 2;

Figure 4 is a perspective view of the gear hook shown in Figure 1;

Figure 5 is a partial exploded view of the marine thruster fixture shown in Figure 1;

Fig. 6 is the structural representation of A shown in Fig. 5;

FIG. 7 is a schematic diagram of the locking structure shown in FIG. 6;

FIG. 8 is a schematic view of the structure of the marine propeller fixing device shown in FIG. 1 installed at the stern.

Reference numerals: 1, clamping part; 11, first clamping position; 12, second clamping position; 13, clamping plate; 131, clamping position track groove; 14, clamping piece; 141, screw rod; 142, handle ; 143, pressure plate; 2, fixture base; 3, gear rack; 31, gear horizontal axis; 32, snap part; 4, gear hook; 41, elastic part; 42, hook part; 43, dial Rod; 44. Rotating shaft; 5. Locking mechanism; 51. Locking structure; 511, Sliding plate; 5111, Limit slot; Limiting structure; 521, Limiting rod; 5211, Limiting protrusion; 522, Sliding groove; 523, Stabilizing column; 524, First limiting plate; 525, Second limiting plate; 61, First rotating shaft; 62. The second rotation axis.

【Detailed ways】

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

See Figure 1, Figure 2, and Figure 3. 1 is a perspective view of the first state of a marine propeller fixing device of the present invention (the clamping part 1 is hidden), that is, the clamping part 1 in the marine propeller fixing device is not shown in the perspective view of FIG. 1 , but The relative positions between the clamping part 1 and the clamp base 2, the gear holder 3 and the gear hook 4 can be seen in Figure 8 for details. In addition, the left and/or right side of the clamp base 2 may be provided with clamping Part 1. FIG. 2 is a schematic structural diagram of the clamping member shown in FIG. 1 ; FIG. 3 is a partial schematic diagram of the second state of the marine propeller fixing device shown in FIG. 2 .

This embodiment discloses a marine propeller fixing device. The marine propeller fixing device includes a clamping part 1, a clamp base 2, a gear bracket 3 and a gear pull hook 4. The clamping part 1 is used for clamping on the side of the ship. Or on the stern of the ship, wherein the clamping part 1 is provided with a clamping part, and the clamping part is used for clamping with the gear card frame 3 to adjust different gears. The clamp base 2 is used for fixing the marine propeller, and the clamp base 2 is rotatably connected with the clamping part 1 through the first rotating shaft 61 . Optionally, the fixture base 2 can be a hollow shell, and a drive shaft, an electrical cable, a cooling channel, etc. can be arranged in the interior of the housing.

The above-mentioned clamping part 1 and the clamp base 2 can be respectively manufactured by an integral molding process, which is convenient for manufacture and production. Specifically, the clamping part 1 and the clamp base 2 can be forged with metal materials such as iron, aluminum and other alloy materials, and have good strength.

One end of the gear holder 3 is rotatably connected to the fixture base 2 , and the other end of the gear holder 3 is provided with a clamping portion 32 , so that the gear holder 3 can rotate relative to the clamping part 1 during the rotation of the holder base 2 . It moves from the middle to the clamping parts at different positions, so as to realize the engagement between the gear clamping frame 3 and the clamping parts. Specifically, the engaging portion 32 on the gear bracket 3 can be engaged with the engaging portion, so that the clamp base 2 is fixedly connected with respect to the clamping member 1; the engaging portion 32 can be separated from the engaging portion, so that the clamp base 2 The seat 2 is rotated relative to the clamping part 1 to adjust different gears.

The gear pull hook 4 is rotatably connected to the clamp base 2 , and the gear pull hook 4 is located between the gear bracket 3 and the clamp base 2 . Meanwhile, a pull hook portion 42 is provided at one end of the gear pull hook 4 close to the engaging portion 32 . Optionally, the gear hook 4 is rotatably connected to the clamp base 2 through a rotating shaft.

When the engaging portion 32 and the hook portion 42 are in the engaging state, the engaging portion on the clamping member 1 is engaged with the gear bracket 3, so that the marine propeller is in the normal working mode. When the clamping part 32 and the hook part 42 are in the separated state, the marine propeller is in the flushing mode to prevent damage to the marine propeller; The frame 3 can still be in an engaged state, and the marine propeller can still generate forward propulsion to push the ship forward. Therefore, the marine propeller can be freely switched between the normal working mode and the flushing mode through the engagement/separation of the engagement portion and the hook portion, which not only has a simple structure, but also is more convenient to operate.

The normal working mode of the above-mentioned marine propulsion means that the marine propulsion moves forward or backward under the working state of normal propulsion. The main function of the scour mode is that the marine propeller can be freely warped when it is impacted by an external force. When the bottom of the marine propeller collides with a force opposite to the traveling direction of the boat, since the gear bracket 3 is in a free state, the marine propeller can be upturned accordingly when it is hit, thereby reducing or avoiding the clamp of the marine propeller or the marine propulsion. damage to the device.

Specifically, the latching portion includes a first latching position 11 and a second latching position 12, the first latching position 11 and the second latching position 12 are both disposed on the clamping member 1, wherein the first latching position 11 and the second latching position 12 12 are located at different positions of the clamping part 1 . The above-mentioned gear holder 3 can be moved to the first card position 11 and the second card position 12 respectively during the rotation of the clamp base 2 relative to the clamping part 1, so as to realize the gear holder 3 and the first card position 11 or the second card position 12 respectively. The second card position 12 is engaged.

The above-mentioned first detent 11 corresponds to the underwater posture of the marine propeller, that is, the marine propeller is positioned underwater to propel the ship forward. The second latching position 12 corresponds to the water attitude of the marine propeller. For example, when the marine propeller is in an idle state, the marine propeller can be lifted up and lifted off the water surface for protection. That is to say, the water attitude of the marine propeller can prevent it from being affected by corrosion or underwater organisms and microorganisms under water for a long time, thereby prolonging the life of the marine propeller.

Among them, the hook portion 42 of the gear hook 4 realizes the engagement/separation with the engaging portion 32 under the action of the elastic member 41 and the external force of overcoming the elastic member 41, so that the marine propeller is in the normal working mode and the flushing mode. In addition, it can also realize the gear switch of the marine propeller or the switch of the water and underwater attitude. For example, when the gear hook 4 is clamped to the gear holder 3 located at the first latching position 11 or the second latching position 12 under the force of the elastic member 41, the gear holder 3 is fixed on the first latching position 11 or the second latching position 12. The second latching position 12 , and then the gear hook 4 is rotated against the force of the elastic member 41 under the action of the external force and is released from the gear holder 3 , so that the gear holder 3 can rotate relative to the clamping member 1 , thereby Adjust to the target gear position after disengaging with the first card position 11 or the second card position 12 . Therefore, through the above method, it is possible to conveniently realize the gear switch of the marine propeller or the switch of the water and underwater attitude. The above-mentioned elastic member 41 can be a torsion spring or the like, which is not limited here.

Specifically, when the engaging portion 32 and the hook portion 42 are in the engaging state, the gear bracket 3 is in the engaging state with either the first engaging position 11 or the second engaging position 12, and the marine propeller is in the engaging state at this time. normal working mode. When the latching portion 32 and the hook portion 42 are in a state of being kept separated, the marine propeller is in the flushing mode at this time.

In one embodiment, after the engaging portion 32 and the hook portion 42 are separated, because the gear hook 4 is connected to the fixture base 2, in order to facilitate the engaging of the engaging portion 32 and the hook portion 42, the gravity of the marine propeller can be used. As a result, the engaging portion 32 and the hook portion 42 are automatically engaged with each other, which is convenient for the user to use and improves the engaging efficiency.

However, when the marine propeller is installed on the ship, the included angle between the long axis of the marine propeller and the vertical plane in the vertical plane can be called the inclination angle of the marine propeller, which will affect the inclination angle of the marine propeller. The maximum propulsion efficiency affects the maximum speed of the ship, and the inclination angle that can achieve the maximum propulsion efficiency when the same marine propulsion is matched with different ships is different. The same marine propulsion and the same ship can achieve the maximum propulsion efficiency in different wind and wave environments. The inclination angle is also different, so the marine propulsion also needs to easily adjust the inclination angle during use to be compatible with different ships or use environments.

Therefore, in this embodiment, the first latching position 11 includes a plurality of gear positions, and correspondingly a plurality of different gear positions will form the first latching position 11 . When the gear bracket 3 is engaged in different gears, it can also realize the adjustment of the underwater attitude of the marine propeller, so as to control the angle between the marine propeller and the clamping part 1 through multiple gear adjustment, so as to ensure the The propulsion direction of the propeller and other power devices in the water is basically kept horizontal, so as to ensure the propulsion efficiency and make the marine propeller have a better propulsion effect.

For example, there can be one, two or more gears, and the number can be determined according to the actual situation. In addition, the angle between the marine propeller and the clamping member 1 may be different, such as 0°, 5°, 20°, etc., which is not limited herein. For example, in this embodiment, the first clamping position 11 has four positions, such as positions a, b, c, and d, and the included angles between the marine propeller and the clamping part 1 are 0°, 5°, 10° and 15°. °.

Further, one end of the gear holder 3 is rotatably connected to the fixture base 2 through the second rotating shaft 62, so that the gear holder 3 can be engaged with the first card position 11 or the second card position 12, so as to realize The angle between the marine propeller and the clamping part 1 is adjusted. The gear holder 3 includes a gear horizontal shaft 31, and the gear holder 3 is connected with the first card position 11 or the second card position 12 of the clamping member 1 through the gear horizontal shaft 31, that is, the gear holder 3 passes through the gear position 11 or the second card position 12. The horizontal axis 31 rotates, and different gears can be switched through the horizontal axis 31 of the gear.

In one embodiment, the clamping member 1 includes two clamping plates 13 and two clamping members 14 , the two clamping plates 13 are disposed opposite to each other, and the two clamping members 14 are respectively disposed corresponding to the two clamping plates 13 , one of the clamping members is 14 and a corresponding one of the clamping plates 13 are used to clamp the side or the stern of the ship; another clamping piece 14 and the other corresponding clamping plate 13 are used to clamp the side or the stern of the ship. By adjusting the upper two clamping pieces 14, the clamping and unclamping operation of the ship's side or the transom is carried out. Optionally, the two clamping plates 13 are stably connected by connecting rods.

The above-mentioned clamping member 14 can be a tightening handle, and the clamping member 14 includes a screw rod 141, a handle 142 and a pressing plate 143, wherein the end of the clamp base 2 away from the marine propeller is provided with a screw hole, and the screw rod 141 is threadedly matched with the screw hole, The handle 142 and the pressing plate 143 are respectively connected to both ends of the screw rod 141 . In this embodiment, the clamping and loosening operation of the ship's side or the transom is achieved by tightening or loosening the handle 142. It is conceivable that in other embodiments, the pressing plate 143 can also be used to move freely in the sliding rod or the chute to Adjust the position of the pressing plate 143, and then use a snap ring or a latch to lock the pressing plate 143 at the position of the sliding rod or chute, so as to realize the clamping and loosening operations on the side or transom.

In addition, the clamp base 2 is located between the two clamping plates 13 , and the first clamping position 11 and the second clamping position 12 are respectively located at the opposite surface positions of the two clamping plates 13 , that is, the clamp base 2 and its upper The gear holder 3 can move to the first latching position 11 and the second latching position 12 respectively during the rotation process relative to the two clamping plates 13 .

Specifically, the opposite surfaces of the two clamping plates 13 are formed with a locking track groove 131 , and the first locking position 11 and the second locking position 12 are formed on the side walls of the locking track groove 131 . The above-mentioned shift card brackets 3 are respectively engaged with the side walls of the above-mentioned locking rail grooves 131 . For example, in this embodiment, the first latching position 11 is formed with four gear positions, and the four gear positions correspond to four corresponding latching position track grooves 131 , so that the clamp base 2 and the clamping part 1 have different included angles.

In addition, the above-mentioned second detent 12 is formed on the side wall of the detent track groove 131, wherein the second detent 12 can make the marine propeller lift out of the water surface, so that the marine propeller is in a water posture and is in a warped state, which is convenient When the ship is docked or when the marine thruster is not in use, the marine thruster can be lifted out of the water to prevent bottoming and corrosion, thereby prolonging the life and reliability of the marine thruster.

Please refer to FIG. 4 , which is a perspective view of the gear puller shown in FIG. 1 . In one embodiment, referring to FIGS. 1 to 3 , the rotating shaft 44 is disposed on the fixture base 2 , the gear hook 4 is penetrated on the rotating shaft 44 , and the gear hook 4 can rotate around the rotating shaft 44 . The above-mentioned elastic member 41 is disposed on the rotating shaft 44 . The gear hook 4 includes a lever portion 43 , the lever portion 43 is located on the other side of the rotation shaft 44 of the gear hook 4 , and the lever portion 43 is used to receive an external force. In this embodiment, the lever portion 43 is provided in a rod shape, and is located at the upper part of the side of the gear pull hook 4 close to the clamping base 2 . In other embodiments, the lever portion 43 may be provided in a button shape, a belt shape or other shapes, which are not limited herein.

The operation of adjusting the gear position through the above-mentioned lever portion 43 is as follows: when the gear hook 4 is in the normal working mode, the gear horizontal shaft 31 on the gear holder 3 is in a certain gear, and the gear hook 4 is connected to the gear card. Frame 3 snaps together. Toggle the lever portion 43 on the gear pull hook 4, under the action of the elastic member 41, the gear pull hook 4 and the gear rack 3 are engaged and separated, at this time, the marine propeller is lifted to make it around the first rotation axis 61 Rotate upward; when the gear horizontal shaft 31 moves to the target gear, release the marine propeller, and the gear horizontal shaft 31 falls into the target gear under the gravity of the marine propeller. Under the action of the elastic element 41, the gear hook 4 is automatically engaged with the gear holder 3, so as to realize the adjustment of different gears.

1 to 3 , in one embodiment, the marine propeller fixing device further includes a locking mechanism 5 , when the gear hook 4 rotates under the action of an external force to disengage the gear bracket 3 , the locking mechanism 5 It is used to lock the gear hook 4, so that the gear hook 4 and the gear holder 3 are kept in a separated state, so that the marine propeller is in the flushing mode. The above locking mechanism 5 can be of any structure, as long as it can lock the gear hook 4 so that the gear hook 4 and the gear holder 3 are kept in a separated state. Optionally, the locking mechanism 5 and the lever portion 43 are respectively located on both sides of the clamp base 2 to reduce interference between the two, facilitate simultaneous operation with both hands and have sufficient operating space to improve user experience.

Specifically, the locking mechanism 5 includes a locking structure 51 and a limiting structure 52 , the limiting structure 52 is fixedly arranged on the clamp base 2 , and the locking structure 51 is slidably arranged in the limiting structure 52 . Wherein, when the locking structure 51 slides to the first position relative to the limiting structure 52, the locking structure 51 acts on the gear hook 4 to overcome the force of the elastic member 41 to move the upper part of the gear hook 4 close to the clamp base 2, The pull hook portion 42 of the shift pull hook 4 is kept in a separated state from the engagement portion 32 of the shift bracket 3 . When the locking structure 51 slides to the second position relative to the limiting structure 52, the locking structure 51 disengages the gear hook 4, so that the upper half of the gear hook 4 can approach the clamp base 2 under the action of the elastic member 41, Under the action of gravity of the marine propeller, the hook portion 42 of the lower half of the gear hook 4 is engaged with the engaging portion 32 of the gear bracket 3 to realize the engagement between the two.

Therefore, the locking structure 51 and the limiting structure 52 cooperate with each other, which can facilitate switching between the working mode and the flushing mode. The above-mentioned locking structure 51 and limiting structure 52 may be any structure, and only need to be able to switch between the working mode and the flushing mode of the marine propeller.

Further, please refer to Figure 5, Figure 6 and Figure 7, Figure 5 is a partial exploded view of the marine propeller fixing device shown in Figure 1; Figure 6 is a schematic structural diagram of A shown in Figure 5; Figure 7 is shown in Figure 6 Schematic diagram of the locking structure. The locking structure 51 includes a sliding plate 511 and a locking protrusion 512 , the sliding plate 511 is connected with the locking protrusion 512 , and the locking protrusion 512 extends from the sliding plate 511 to the gear hook 4 . In addition, the locking structure 51 further includes a handle portion 513. The handle portion 513 is disposed at one end of the sliding plate 511 away from the locking protrusion 512, and is connected to the sliding plate 511. The handle portion 513 facilitates the user to move the entire card upward or downward. stop structure 51 .

At the same time, the limiting structure 52 includes two limiting rods 521 , and the two limiting rods 521 are disposed opposite to each other. A sliding groove 522 is formed between the two limiting rods 521 , and the sliding plate 511 is slidably disposed in the sliding groove 522 . Wherein, the sliding plate 511 is opposite to the side of the sliding slot 522, and the sliding plate 511 is formed with two limit slots 5111 relative to the first position and the second position along the sliding direction. Two opposite limiting protrusions 5211 are formed.

When the limiting protrusions 5211 are engaged in the limiting grooves 5111 at the second position, the locking protrusions 512 act on the gear hooks 4 to keep the gear hooks 4 separated from the gear brackets 3 . When the limiting protrusions 5211 are engaged in the limiting grooves 5111 at the first position, the locking protrusions 512 are disengaged from the gear hooks 4 , so that the gear hooks 4 are engaged with the gear brackets 3 . Through the sliding plate 511, the locking protrusion 512, the sliding groove 522, the limiting groove 5111 and the limiting protrusion 5211, the locking mechanism 5 is simplified, and it is convenient to realize the operation mode and the flushing mode of the marine propeller. switch.

The above-mentioned two limit rods 521 respectively form two sides of the first limit plate 524 , and the two limit protrusions 5211 respectively form two limit rods 521 on one side of the first limit plate 524 . A certain gap is formed between the rod 521 and the first limiting plate 524, so that the limiting protrusion 5211 can play a buffering role and is convenient to switch between the two limiting grooves 5111 in the first position and the second position. Meanwhile, the sliding groove 522 is formed on the first limiting plate 524 .

In the actual process, when the sliding plate 511 slides along the sliding groove 522, the limiting groove 5111 on the sliding plate 511 and the limiting protrusion 5211 on the limiting rod 521 cannot achieve good alignment. In the example, the bottom surface of the sliding plate 511 is provided with a stabilizing hole 5112, and the bottom surface of the sliding slot 522 is provided with a stabilizing column 523, wherein the stabilizing column 523 is penetrated in the stabilizing hole 5112, so that the stabilizing column 523 and the stabilizing hole 5112 cooperate with each other to form a limit . Here, the stabilization holes 5112 can also be provided on the side surface or other suitable positions, and are not limited to the bottom surface. Therefore, the above-mentioned stabilization holes 5112 can ensure the overall movement direction of the locking structure 51, which is also conducive to the cooperation of the limiting grooves 5111 and the limiting protrusions 5211, and prevents the locking structure 51 from shaking in the left and right directions. The above-mentioned stabilization holes 5112 may be elongated or oblong. The above-mentioned stabilizing column 523 may be a screw or a positioning pin, or the like.

Optionally, the locking structure 51 may further include a second limiting plate 525 , wherein the second limiting plate 525 is covered on the sliding plate 511 and connected with the first limiting plate 524 . The stabilizing column 523 is formed on the first limiting plate 524 and the stabilizing hole 5112 and is connected to the second limiting plate 525 . That is, the first limiting plate 524 and the second limiting plate 525 define the position of the stabilizing column 523 , so that the stabilizing hole 5112 moves with the movement of the sliding plate 511 .

Optionally, the first limiting plate 524 and the second limiting plate 525 in the aforementioned limiting structure 52 may be plastic parts, and the plastic parts have elasticity, which can be easily designed into the limiting protrusions 5211 and the limiting grooves 5111, etc. , and can also withstand weathering, abrasion, and salt spray. The above-mentioned locking structure 51 can preferably be made of stainless steel, wherein the locking protrusion 512 and the hand-held portion 513 are designed with plastic material, wherein the locking protrusion 512 is made of plastic material for easy wear resistance, and the hand-held portion 513 is made of plastic material. Design friction lines or folded edges to facilitate the user to operate the locking structure 51 and the like.

In addition, a catch portion 32 is provided at the bottom of the above-mentioned shift bracket 3 so that the pull hook portion 42 of the shift pull hook 4 can be engaged with the catch portion 32 . The marine propeller is not able to switch to the flushing state due to the impact. Since the hook part 42 on the gear hook 4 and the clipping part 32 of the gear bracket 3 are in a semi-open shape, when the marine propulsion When the impact force received by the catcher is large to a certain extent, that is, the force of separation between the latching portion 32 and the hook portion 42 is greater than the preset threshold value between the latching portion 32 and the hook portion 42, the gear hook 4 and the gear holder 3 is engaged and separated, so as to protect the marine propeller and the fixing device of the marine propeller.

The specific use steps of the above-mentioned marine propeller fixing device are as follows: Under normal conditions of the marine propeller fixing device, as shown in Figures 1 and 8, Figure 8 is a schematic structural diagram of the marine propeller fixing device shown in Figure 1 being installed at the stern of the ship. The gear hook 4 is engaged with the gear holder 3 , and the hook portion 42 of the gear hook 4 hooks the engaging portion 32 of the gear holder 3 . If the ship is about to dock, the marine propeller can be switched to the flushing mode in the following manner: toggle the lever part 43 to engage and separate the hook part 42 of the gear hook 4 from the engaging part 32 of the gear rack 3 , toggle the lever portion 43 to engage and separate the gear hook 4 and the gear holder 3 , and then pull down the handle portion 513 of the locking structure 51 to move the locking structure 51 downward along its stable hole 5112 . At this time, the locking protrusion 512 is located in the gap between the gear hook 4 and the clamp base 2, the locking protrusion 512 will abut on the upper half of the gear hook 4, release the lever portion 43, and in the locking structure The lower gear hook 4 of 51 will be kept separated from the gear holder 3, as shown in FIG. 3, the marine propeller is in the flushing mode.

When the bottom of the marine propeller collides with a force opposite to the running direction of the ship, since the engaging part 32 of the gear bracket 3 is in a free state that is not engaged with the hook part 42 of the gear hook 4, when it is hit, the marine The propeller can be upturned accordingly, which can effectively reduce the damage of the marine propeller or avoid the capsize.

If the marine propeller needs to end the flooding mode, lift the handle portion 513 upwards, so that the handle portion 513 moves upward along the stabilization hole 5112, and the engagement of the locking protrusion 512 on the upper half of the gear hook 4 can be released. At this time, the gear hook 4 rotates in the direction close to the clamp base 2 under the action of the elastic member 41, and under the action of the gravity of the marine propeller body, the gear hook 4 and the gear holder 3 are automatically re-engaged, then Switch from flushing mode back to normal working mode.

Different from the prior art, the marine propeller fixing device in this embodiment includes a clamping part, a clamp base, a gear holder and a gear hook, the clamping part is provided with a latching part, and the gear holder can During the rotation of the base relative to the clamping member, the base moves to the latching portion, so that the gear racks are located at different latching portions. At the same time, the other end of the gear clip frame is provided with a latching portion; one end of the gear pull hook close to the latching portion is provided with a latching portion. The clamping part is engaged with the hook part, so that the marine propeller is in the normal working mode; the clamping part is separated from the hook part, so that the marine propeller is in the flushing mode. That is, the marine propeller can be switched between the normal working mode and the flushing mode through the engagement/separation of the engagement portion and the hook portion, which is more convenient to operate.

This embodiment discloses a marine propeller, which includes a marine propeller fixing device, a propeller, a control device and a power source. The marine propeller fixing device is similar to the marine propeller fixing device described in the above-mentioned embodiments, and its structure will not be repeated.

When the marine propeller is in normal operation, the propeller is located underwater, and the propeller is rotated by the motor or engine to generate thrust to promote the movement of the boat.

The control device is used to control the magnitude or direction of the propulsion force, and the control device and the marine propeller can be wired or wirelessly connected; it is conceivable that the control device can also be realized by mechanical or electrical connection with the marine propeller. Control the propulsion force or the propulsion direction of the marine propeller.

The power source can be electric or fuel, usually an electric motor or an engine. In this embodiment, the power source is a motor, and the marine propeller further includes a battery, which is connected to the marine propeller to provide energy for it. Different from the prior art, the present invention provides a marine propeller, including a marine propeller fixing device, a propeller, a control device and a power source, and the marine propeller can conveniently realize the underwater attitude and The conversion of the water attitude, and the propeller can be in the state of flushing, which can alleviate the impact force when hitting the reef.

The above are only the embodiments of the present invention, and are not intended to limit the scope of the patent of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the description and drawings of the present invention, or directly or indirectly applied in other related technical fields, All are similarly included in the scope of patent protection of the present invention.

Claims

A marine propeller fixing device, characterized in that it includes:

a clamping part, the clamping part is used for fixing the marine propeller to the ship, and the clamping part is provided with a clamping part;

a clamp base, which is rotatably connected to the clamping member through a first rotation axis;

A gear holder, one end of the gear holder is rotatably connected to the clamp base, and the other end is provided with a clamping part, the clamping part can be engaged with or separated from the clamping part to make the clamp The base is fixedly connected or rotatable relative to the clamping part; the gear bracket can move to the clamping part during the rotation of the clamp base relative to the clamping part;

The gear pull hook is rotatably connected to the clamp base, and is located between the gear clamp frame and the clamp base, and one end of the gear pull hook close to the engaging portion is provided with a pull hook portion. The engaging or disengaging of the engaging portion and the hook portion can enable the marine propeller to be switched between a normal working mode and a flushing mode.
The fixing device for a marine propeller according to claim 1, wherein the latching portion includes a first latching position and a second latching position, and the gear latch can be opposite to the clip on the clamp base. During the rotation process of the holding part, it is moved to the first card position and the second card position respectively;

Wherein, the gear hook is clamped to the gear holder located at the first latching position or the second latching position under the force of the elastic member, so that the gear holder is fixed on the gear holder. the first card position or the second card position;

The first detent position corresponds to the underwater attitude of the marine propeller, and the second detent position corresponds to the water posture of the marine propeller.
The marine propeller fixing device according to claim 2, wherein the first locking position includes a plurality of gear positions, and when the gear position card bracket is engaged with different gear positions, the marine propeller have different inclination angles with respect to the vertical plane.
The marine propeller fixing device according to claim 1, wherein the engaging portion is automatically engaged with the hook portion under the action of gravity of the marine propeller.
The marine propeller fixing device according to claim 1, wherein the clamping part comprises two clamping plates arranged oppositely and two clamping parts corresponding to the clamping plates, and the clamping parts can be adjusted The marine propeller is fixedly connected to the watercraft.
The fixing device for a marine propeller according to claim 1, wherein the engaging portion is engaged with the retracting hook portion, so that a force for separating the engaging portion and the retracting hook portion is greater than a predetermined force. When the threshold value is set, the snap portion and the draw hook portion can be automatically separated.
The marine propeller fixing device according to claim 1, wherein the gear pull hook comprises a lever portion, and the lever portion can be toggled to engage/disengage the engaging portion and the pull hook portion .
The marine propeller fixing device according to claim 1, characterized in that, the marine propeller fixing device further comprises a locking mechanism for locking the gear pull hook, so that the gear pull hook is connected to the gear pull hook. The gear holder remains separated.
The marine propeller fixing device according to claim 8, wherein the locking mechanism comprises a locking structure and a limiting structure, the limiting structure is fixedly arranged on the fixture base, and the locking structure slidably arranged on the limiting structure;

Wherein, when the locking structure slides to the first position relative to the limiting structure, the gear hook remains separated from the gear bracket; the locking structure slides relative to the limiting structure to In the second position, the gear hook can be clamped on the gear holder under the action of the elastic member.
A marine propeller, characterized in that, the marine propeller comprises the marine propeller fixing device according to any one of claims 1 to 9.