CN112319754A

CN112319754A - Small-size pleasure-boat underwater propulsor

Info

Publication number: CN112319754A
Application number: CN202011283563.8A
Authority: CN
Inventors: 廖代云
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-17
Filing date: 2020-11-17
Publication date: 2021-02-05

Abstract

The invention relates to the technical field of underwater thrusters and discloses a small pleasure boat underwater thruster which comprises a water inlet, wherein one side of the water inlet is fixedly connected with a tubular piston device, the other side of the tubular piston device is fixedly connected with a jet orifice, the middle of the tubular piston device is movably connected with a propelling device, the middle of the propelling device is movably provided with a rudder stock, a deflection channel is communicated between the jet orifices, and two ports of the deflection channel are movably provided with deflection rods. The central wheel is driven to rotate by the rudder stock to drive the central wheel to rotate so as to drive the connecting shaft to rotate, the push rod arm can rotate around the center of the planet wheel so that the connecting shaft and the pipe clamp group do repeated movement in the horizontal direction after being connected, and then the water flow of the water inlet is compressed and pushed into the jet orifice by the matching of the valve mounting shaft and the hinge valve, so that the problem of back cavitation of the spiral impeller caused by the water flow pushed by the spiral impeller is solved.

Description

Small-size pleasure-boat underwater propulsor

Technical Field

The invention relates to the technical field of underwater propellers, in particular to an underwater propeller of a small pleasure boat.

Background

The small-sized pleasure-boat underwater propeller is a device for driving a boat to advance by using reaction force generated by water jet, generally comprises a water inlet, a jet orifice, a propeller pump and the like, and the existing underwater propeller has some problems: firstly, a propulsion pump consists of a spiral impeller, fine vacuoles can be generated on the back of the impeller when the spiral impeller rotates at a high speed, and when the vacuoles are gathered to be larger, the pressure of water can instantly break the vacuoles to generate cavitation erosion on the impeller, so that the spiral impeller is damaged; and secondly, when the pleasure boat turns, the jet orifice deflects for a certain angle, the turning radius is large, and the turning in a large area in a lake in a mountainous area needs to be adjusted for multiple times, so that the turning is difficult.

Disclosure of Invention

Aiming at the defects of the existing underwater propeller in the background technology in the using process, the invention provides a small pleasure boat underwater propeller which has the advantages of no cavitation of a spiral impeller and small turning radius and solves the technical problems in the background technology.

The invention provides the following technical scheme: the utility model provides a small-size pleasure-boat underwater propulsor, includes the water inlet, one side fixedly connected with tubular piston device of water inlet, the opposite side fixedly connected with jet of tubular piston device, the middle swing joint of tubular piston device has advancing device, advancing device's middle movable mounting has the rudderstock, the intercommunication has the passageway that deflects between the jet, the both ends mouth movable mounting who deflects the passageway has the deflection pole.

Preferably, pipe clamp group has been cup jointed in the outside activity of tubular piston device, the port fixed mounting of tubular piston device one side has valve installation axle, valve installation axle outside movable mounting has the hinge valve, one side swing joint of pipe clamp group has the connecting axle, the opposite side fixedly connected with push-rod arm of connecting axle, push-rod arm's opposite side swing joint has the planet wheel, the outside meshing of planet wheel has the foreign steamer, the inboard meshing of planet wheel has the centre wheel, the centre wheel is fixed in by the planet carrier the center of foreign steamer, the center movable mounting of centre wheel has the center pin, vertical gear has been cup jointed in the one end outside regulation of center pin, push-rod arm's length is the radius length of foreign steamer, the radius of centre wheel is greater than the radius of planet wheel.

Preferably, the fixed horizontal gear that has cup jointed in the outside of rudderstock, the bottom fixedly connected with of rudderstock is inclined to one side to rotate the seat, the front surface fixedly connected with deflection pipe of inclined to one side seat and alternate in the passageway that deflects, the one end of deflection pole has magnet for arc pole and end, the other end of deflection pole is the straight-bar, the cassette has been seted up to inner wall one side of jet, the end fixedly connected with haulage rope of straight-bar just passes through deflection pipe cross connection is in inclined to one side seat.

Preferably, the movable angle of the planet wheel in the propelling device is always 180 degrees.

The invention has the following beneficial effects:

1. the central wheel is driven to rotate by the rudder stock to drive the central wheel to rotate so as to drive the connecting shaft to rotate, the push rod arm can rotate around the center of the planet wheel so that the connecting shaft and the pipe clamp group do repeated movement in the horizontal direction after being connected, and then the water flow of the water inlet is compressed and pushed into the jet orifice by the matching of the valve mounting shaft and the hinge valve, so that the problem of back cavitation of the spiral impeller caused by the water flow pushed by the spiral impeller is solved.

2. According to the invention, the steering of the rudder stock drives the bottom deflection seat to rotate, so that the deflection pipe is changed left and right, the traction rope pulls the right straight rod, so that right water flow impacts the right arc-shaped rod to abut against the right clamping seat, and thus the right water flow flows out from the left jet orifice through the deflection channel, the turning taking the right nozzle as a turning center and the ship width as a turning radius is realized, and the problem of difficult turning caused by the fact that the turning radius of a pleasure boat is large and needs to be adjusted for multiple times is solved.

Drawings

FIG. 1 is a schematic top view of the overall structure of the present invention;

FIG. 2 is an enlarged schematic view of the tubular piston assembly of the present invention;

FIG. 3 is an enlarged view of the propulsion device of the present invention;

FIG. 4 is a schematic cross-sectional view of the structure of FIG. 1 taken along line A-A.

In the figure: 1. a water inlet; 2. a tubular piston device; 201. a tube clamp group; 202. a valve mounting shaft; 203. a hinge valve; 3. an ejection port; 4. a propulsion device; 401. a central shaft; 402. a vertical gear; 403. a center wheel; 404. a planet carrier; 405. an outer wheel; 406. a planet wheel; 407. a pusher arm; 408. a connecting shaft; 5. a tiller; 501. a horizontal gear; 502. a deflection seat; 503. a deflection pipe; 6. a deflection channel; 7. a deflection bar; 701. an arcuate bar; 702. a straight rod; 703. a card holder; 704. and (6) pulling the rope.

Detailed Description

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, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, a small-sized pleasure boat underwater propeller comprises a water inlet 1, a tubular piston device 2 is fixedly connected to one side of the water inlet 1, a jet orifice 3 is fixedly connected to the other side of the tubular piston device 2, a propulsion device 4 is movably connected to the middle of the tubular piston device 2, a rudder stock 5 is movably mounted in the middle of the propulsion device 4, a deflection channel 6 is communicated between the jet orifices 3, deflection rods 7 are movably mounted at two ports of the deflection channel 6, the propulsion device 4 is driven to rotate through the rudder stock 5 so as to drive the tubular piston device 2 to reciprocate, water in the water inlet 1 is pushed to the jet orifice 3 in a reciprocating mode, and the problem that a spiral impeller is damaged due to cavitation erosion generated by rotary propulsion of the rotary impeller is solved.

Wherein, the outer side of the tubular piston device 2 is movably sleeved with the pipe clamp group 201, the port at one side of the tubular piston device 2 is fixedly provided with the valve mounting shaft 202, the outer side of the valve mounting shaft 202 is movably provided with the hinge valve 203, one side of the pipe clamp group 201 is movably connected with the connecting shaft 408, the other side of the connecting shaft 408 is fixedly connected with the push rod arm 407, the other side of the push rod arm 407 is movably connected with the planet wheel 406, the outer side of the planet wheel 406 is engaged with the outer wheel 405, the inner side of the planet wheel 406 is engaged with the center wheel 403, the center wheel 403 is fixed at the center of the outer wheel 405 by the planet carrier 404, the center of the center wheel 403 is movably provided with the center shaft 401, the outer side of one end of the center shaft 401 is provided with the vertical gear 402 in a sleeved mode, the center wheel 403 is driven by, the water flow in the water inlet 1 is compressed and pushed into the jet orifice 3 to be jetted out, the problem that the spiral impeller is damaged due to cavitation generated on the pushing back of the spiral impeller is solved, the length of the pushing rod arm 407 is equal to the radius length of the outer wheel 405, the connecting shaft 408 can reciprocate in the horizontal direction, the practicability of the device is improved, the radius of the central wheel 403 is larger than that of the planetary wheel 406, the planetary wheel 406 is enabled to do speed-increasing circular motion, and the practicability of the device is improved.

Wherein, the outer side of the rudder stock 5 is fixedly sleeved with a horizontal gear 501, the bottom end of the rudder stock 5 is fixedly connected with a deflection seat 502, the front surface of the deflection seat 502 is fixedly connected with a deflection pipe 503 and is inserted into the deflection channel 6, one end of the deflection rod 7 is an arc rod 701 and the end is provided with a magnet, the other end of the deflection rod 7 is a straight rod 702, one side of the inner wall of the jet orifice 3 is provided with a clamping seat 703, the end of the straight rod 702 is fixedly connected with a traction rope 704 and is cross-connected with the deflection seat 502 through the deflection pipe 503, through the rightward steering of the rudder stock 5, the traction rope 704 pulls the right straight rod 702 to enable water flow to impact the right arc-shaped rod 701 to abut against the right clamping seat 703, so that the right water flow is ejected to the left ejection opening 3 through the deflection channel 6 to enable the ship to turn rightward by taking the width of the ship as the turning radius with the right ejection opening 3 as the turning circle center, and the problem that the turning difficulty is caused by the large turning radius of the pleasure-boat on the surface of a lake in a mountainous area is solved.

Wherein, the planet wheel 406 activity angle of the inside of advancing device 4 is 180 degrees all the time, is 180 degrees through two planet wheels 406, has realized that pipe clamp group 201 can be continuous propulsion rivers in reciprocating motion process, improves the practicality of device.

The using method of the invention has the following working principle:

the outer cylinder of the rudder stock 5 rotates to enable the horizontal gear 501 and the vertical gear 402 to be meshed so that the central shaft 401 rotates to drive the central wheel 403 to rotate, the planet wheel 406 rotates to drive the push rod arm 407 to do circular motion, the connecting shaft 408 is connected with the pipe clamp group 201 to enable the pipe clamp group 201 to do reciprocating motion in the horizontal direction, the pipe clamp group 202 and the hinge valve 203 are matched to push the pipe piston to compress and push water flow in the water inlet 1 into the jet port 3, the rudder stock 5 turns to enable the deflection seat 502 connected with the inner cylinder to deflect, the traction rope 704 in the deflection pipe 503 pulls the right straight rod 702 to enable the right water flow to impact the right clamping seat 703 to abut against the right clamping seat 703, the right water flow impacts the left straight rod 702 through the deflection channel 6 to enable the magnet of the left arc-shaped rod 701 to attract, and.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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

Claims

1. The utility model provides a small-size pleasure-boat underwater propulsor, includes water inlet (1), its characterized in that: the water inlet device is characterized in that a tubular piston device (2) is fixedly connected to one side of the water inlet (1), a jet orifice (3) is fixedly connected to the other side of the tubular piston device (2), a propelling device (4) is movably connected to the middle of the tubular piston device (2), a rudder stock (5) is movably mounted in the middle of the propelling device (4), a deflection channel (6) is communicated between the jet orifices (3), and deflection rods (7) are movably mounted at two end ports of the deflection channel (6).

2. A small pleasure boat underwater propeller as claimed in claim 1, wherein: the outer side of the tubular piston device (2) is movably sleeved with a pipe clamp group (201), a valve installation shaft (202) is fixedly installed at a port on one side of the tubular piston device (2), a hinge valve (203) is movably installed at the outer side of the valve installation shaft (202), a connecting shaft (408) is movably connected to one side of the pipe clamp group (201), a push rod arm (407) is fixedly connected to the other side of the connecting shaft (408), a planet wheel (406) is movably connected to the other side of the push rod arm (407), an outer wheel (405) is meshed to the outer side of the planet wheel (406), a center wheel (403) is meshed to the inner side of the planet wheel (406), the center wheel (403) is fixed to the center of the outer wheel (405) through a planet carrier (404), a center shaft (401) is movably installed at the center of the center wheel (403), and a vertical gear (402) is sleeved to the, the length of the push rod arm (407) is the length of the radius of the outer wheel (405), and the radius of the central wheel (403) is larger than that of the planet wheel (406).

3. A small pleasure boat underwater propeller as claimed in claim 1, wherein: the fixed horizontal gear (501) that has cup jointed in the outside of rudderstock (5), the bottom fixedly connected with eccentric seat (502) of rudderstock (5), the front surface fixedly connected with deflection pipe (503) of eccentric seat (502) and alternate in deflection passageway (6), the one end of deflection pole (7) has magnet for arc pole (701) and end, the other end of deflection pole (7) is straight-bar (702), cassette (703) have been seted up to inner wall one side of jet orifice (3), the end fixedly connected with haulage rope (704) of straight-bar (702) and pass through deflection pipe (503) cross connection is in eccentric seat (502).

4. A small pleasure boat underwater propeller as claimed in claim 2, wherein: the movable angle of the planet wheel (406) in the propelling device (4) is always 180 degrees.