Waterproof jet pump type outboard motor
By introducing a pressure-resistant housing and protective mechanism into the jet pump type outboard motor, effective heat dissipation of the engine and buoyancy protection of the device are achieved, solving the problem of loss of the jet pump type outboard motor in the event of accidental fall into the water, and improving the portability and operability of the equipment.
Patent Information
- Application Number
- CN202510040344.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-10
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2045-01-10
AI Technical Summary
Existing jet pump type outboard motors are easily damaged or sunk to the bottom of the water when lost or accidentally fallen into the water, resulting in equipment loss. In particular, the economic loss of high-performance outboard motors is relatively large, and existing equipment lacks waterproof design.
A waterproof spray pump type outboard motor was designed, which includes a pressure-resistant housing and a protective mechanism. The engine is cooled through a vent and a water pump, and in the event of accidental fall into the water, the device is floated by a piston plate and a solenoid valve system to prevent it from sinking and being lost.
It effectively prevents equipment from sinking to the bottom and getting lost, ensures normal engine cooling, improves the portability and ease of operation of the equipment, and adapts to rapid deployment and flexible operation in extreme environments.
Smart Images

Figure CN119503106B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the field of outboard motor, in particular to a waterproof jet pump type outboard motor. BACKGROUND
[0002] The outboard motor is a kind of detachable power device suspended on the stern plate of boat, which can push the boat to sail, also known as outboard motor, boat engine, hanging machine, mainly composed of engine and transmission, operation, suspension device and propeller.
[0003] At present, the jet pump type outboard motor in the prior art does not have the design of anti-loss and anti-damage in the process of use, and the equipment will be damaged or lost when it sinks to the bottom of the water beyond the pressure limit, and once the water depth exceeds the pressure limit, the internal parts will be damaged, and for some high-performance jet pump type outboard motor, the cost is not cheap, once lost or damaged, this situation not only makes the equipment lose its original use value, but also brings unnecessary economic loss to the ship owner, therefore, the present application provides a waterproof jet pump type outboard motor. SUMMARY
[0004] The main purpose of the present application is to provide a waterproof jet pump type outboard motor, which can solve the problems in the background art.
[0005] In order to achieve the above purpose, the waterproof jet pump type outboard motor provided by the present application comprises an outboard motor assembly and a pressure-resistant shell one, the top of the pressure-resistant shell one is provided with a protection mechanism, the lower side of the protection mechanism is provided with a pull handle, and the lower side of the protection mechanism is provided with a water pump, and the protection mechanism comprises:
[0006] A pressure-resistant shell two is fixedly connected to the top of the pressure-resistant shell one, a cavity is formed in the inside of the pressure-resistant shell two, the pull handle is hinged to the bottom of the pressure-resistant shell two, and the water pump is fixedly installed on the bottom of the pressure-resistant shell two.
[0007] A heat conduction plate is fixedly connected to the inner wall of the pressure-resistant shell two, a gas inlet one is formed on the outer wall of the heat conduction plate, an engine is fixedly installed in the pressure-resistant shell two, and a gas inlet two is formed on the outer wall of the pressure-resistant shell two.
[0008] And an anti-damage assembly is arranged in the inside of the pressure-resistant shell two, through the use of the gas inlet one and the gas inlet two, the inside of the pressure-resistant shell two can circulate air when the engine of the device is working, so that the engine can be normally cooled, and through the use of the water pump, water can be sucked into the cavity and also can be discharged from the cavity, so that the heat conduction plate can be water-cooled, and the cooling effect of the engine is improved.
[0009] Preferably, the air inlet one and the air inlet two are provided with a switch valve.
[0010] Preferably, the output end of the engine is fixedly connected with a rotating shaft, and the bottom end of the rotating shaft is fixedly connected with a driving bevel gear.
[0011] Preferably, the anti-damage assembly comprises a piston plate which is slidingly connected to the surface of the heat-conducting plate and the pressure-resistant shell two, the inner wall of the pressure-resistant shell two is fixedly connected with an elastic telescopic rod, and the telescopic end of the elastic telescopic rod is connected with the piston plate.
[0012] Preferably, the inner wall of the pressure-resistant shell two is fixedly connected with a compression chamber, the outer wall of the compression chamber is fixedly connected with a through pipe, the outer wall of the through pipe is sleeved with a sleeve pipe, and the sleeve pipe is connected with the piston plate.
[0013] Preferably, the outer wall of the piston plate is provided with a through hole which is connected with the sleeve pipe, the through hole of the piston plate is elastically connected with a baffle through a button spring, the through pipe is provided with an electromagnetic valve, the outer wall of the sleeve pipe is fixedly connected with an abutting block, the lower side of the compression chamber is fixedly connected with a contact switch, and the compression chamber contains compressed gas. In the process of accidental falling of the device into water, if the switch valve of the air inlet two fails to close in time, too much water flows into the cavity, the device gradually sinks, water continues to flow into the cavity, the piston plate slides upward, the sleeve pipe moves upward, the abutting block abuts against the contact switch, the contact switch controls the electromagnetic valve to open, the compressed air in the compression chamber is sprayed out, the gas in the cavity is squeezed out, the device can float, and the device will not sink to the bottom, thereby preventing the loss of the device.
[0014] Preferably, the outer machine assembly comprises a shell, the inner surface of the shell is fixedly connected with a limiting sleeve, the inner surface of the limiting sleeve is rotatably connected with an impeller, the impeller is fixedly connected with a connecting shaft, and the end of the connecting shaft away from the impeller is fixedly connected with a driven bevel gear.
[0015] Preferably, the driven bevel gear is engaged with the driving bevel gear, the inner surface of the shell is fixedly connected with a protective sleeve, and the driven bevel gear and the driving bevel gear are arranged in the protective sleeve. Through the rotation of the output shaft of the engine, the rotating shaft is driven to rotate, the driving bevel gear is driven to rotate, the impeller is driven to rotate under the transmission of the driven bevel gear, and the propulsion of the device is completed, and the protective sleeve can protect the driving bevel gear and the driven bevel gear during work.
[0016] Preferably, the rotating shaft penetrates through the shell and is rotatably connected with the shell, and the connecting shaft penetrates through the protective sleeve and is rotatably connected with the protective sleeve.
[0017] Preferably, the outer wall of the shell is rotatably connected with a speed reducer, the speed reducer is composed of a U-shaped connecting piece, an arc-shaped plate and a fixed shell, the U-shaped connecting piece is fixedly connected with the output shaft of the stepping motor, rotates through the output shaft of the stepping motor, drives the U-shaped connecting piece to rotate, and makes the speed reducer rotate, the output shaft of the stepping motor is started to rotate to drive the U-shaped connecting piece to rotate, and the speed reducer rotates, when the speed reducer is parallel to the shell, water flow impacts the shell, and the water flow is separated from the two groups of arc-shaped plates, and a large resistance is generated.
[0018] The application provides a waterproof jet pump type outboard motor.
[0019] (1) The waterproof jet pump type outboard motor uses the protection mechanism, when the device accidentally falls into water and the switch valve of the second air inlet is not closed in time, the piston plate slides upward and drives the sleeve to move, so that the abutting block abuts against the contact switch. At this time, the contact switch controls the electromagnetic valve to open, the compressed gas in the compression chamber is sprayed out, the gas in the cavity is squeezed out, so that the device can float and avoid sinking and losing.
[0020] (2) The waterproof jet pump type outboard motor is provided with the first air inlet and the second air inlet, so that the inside of the pressure-resistant shell two can circulate air when the engine is working, and the heat dissipation of the engine is ensured. At the same time, the use of the water pump can suck water into the cavity and cool the heat-conducting plate through water cooling, further improving the heat dissipation effect of the engine.
[0021] (3) The waterproof jet pump type outboard motor greatly optimizes the lightweight design of the equipment through the innovative column-free structure, so that the overall weight of the machine is relatively light, which meets the demand of two people operating at the same time. At the same time, the column-free structure also optimizes the control of the carrying gravity center, improves the convenience of two people operating at the side of the ship, and the lightweight design not only improves the portability and operability of the equipment, but also helps to improve the overall performance and response speed of the equipment, so that it is more suitable for rapid deployment and flexible operation in extreme environments. BRIEF DESCRIPTION OF DRAWINGS
[0022] In order to more clearly illustrate the technical solutions in the embodiments of the application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description are only some embodiments of the application, and for those skilled in the art, other drawings can also be obtained from the structures shown in the drawings without creative labor.
[0023] Figure 1 The overall three-dimensional structure of the application is shown in the following figure Figure 1 ;
[0024] Figure 2 for the whole structure of the present application Figure 2 ;
[0025] Figure 3 for the whole structure of the present application
[0026] Figure 4 for the whole structure of the present application Figure 3 for the whole structure of the present application
[0027] Figure 5 for the whole structure of the present application
[0028] Figure 6 for the whole structure of the present application Figure 5 for the whole structure of the present application
[0029] Figure 7 for the whole structure of the present application
[0030] Figure 8 for the whole structure of the present application
[0031] Brief Description of the Drawings
[0032] 1, the outer machine assembly; 2, the pressure shell; 3, the protection mechanism; 4, the pull handle; 5, the water pump; 101, the shell; 102, the limiting sleeve; 103, the impeller; 104, the connecting shaft; 105, the driven bevel gear; 106, the speed reducer; 107, the protective sleeve; 1061, the U-shaped connecting piece; 1062, the arc plate; 1063, the fixed shell; 31, the pressure shell; 32, the cavity; 33, the heat conduction plate; 34, the engine; 35, the anti-damage assembly; 36, the air vent; 37, the air vent; 341, the rotating shaft; 342, the driving bevel gear; 351, the piston plate; 352, the elastic telescopic rod; 353, the compression chamber; 354, the pipe; 355, the sleeve; 356, the baffle; 357, the abutting block; 358, the contact switch.
[0033] The implementation, functional features and advantages of the present application will be further described with reference to the embodiments and the accompanying drawings. DETAILED DESCRIPTION
[0034] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the present application.
[0035] Please refer to Figures 1-8The application discloses a waterproof spray pump type outboard engine, which comprises an engine assembly 1 and a pressure-resistant shell 2.
[0036] In the embodiment of the application, in order to enable the device to have good protection effect during use, specifically, the protection mechanism 3 comprises a pressure-resistant shell 2, a heat conduction plate 33 and a loss prevention assembly 35, the pressure-resistant shell 2 is fixedly connected to the top of the pressure-resistant shell 1, the pressure-resistant shell 2 is internally provided with a cavity 32, the pulling handle 4 is hingedly connected to the bottom of the pressure-resistant shell 2, the water pump 5 is fixedly installed at the bottom of the pressure-resistant shell 2, the heat conduction plate 33 is fixedly connected to the inner wall of the pressure-resistant shell 2, the outer wall of the heat conduction plate 33 is provided with a first air vent 36, the engine 34 is fixedly installed in the pressure-resistant shell 2, the outer wall of the pressure-resistant shell 2 is provided with a second air vent 37, the first air vent 36 and the second air vent 37 are both provided with a switch valve, the loss prevention assembly 35 is arranged in the pressure-resistant shell 2, the pressure-resistant shell 2 and the pressure-resistant shell 1 have high pressure resistance, so that the device can well protect the parts in water during use, meanwhile, the use of the first air vent 36 and the second air vent 37 enables the inside of the pressure-resistant shell 2 to circulate air during the operation of the engine 34, so that the engine 34 can be normally cooled, the use of the water pump 5 can suck water into the cavity 32 and discharge water in the cavity 32, so that the heat conduction plate 33 can be water-cooled, and the cooling effect of the engine 34 is improved.
[0037] Further, in order to prevent the device from falling into the water accidentally and causing loss, specifically, the anti-damage assembly 35 includes a piston plate 351 which is slidingly connected to the surface of the heat-conducting plate 33 and the pressure-resistant shell 2, an elastic telescopic rod 352 is fixedly connected to the inner wall of the pressure-resistant shell 2, and the telescopic end of the elastic telescopic rod 352 is connected to the piston plate 351, a compression chamber 353 is fixedly connected to the inner wall of the pressure-resistant shell 2, a through pipe 354 is fixedly connected to the outer wall of the compression chamber 353, a sleeve 355 is sleeved on the outer wall of the through pipe 354, the sleeve 355 is connected to the piston plate 351, a through hole is formed in the outer wall of the piston plate 351 and is connected to the sleeve 355, a baffle 356 is elastically connected to the through hole of the piston plate 351 through a button spring, an electromagnetic valve is arranged on the through pipe 354, an abutting block 357 is fixedly connected to the outer wall of the sleeve 355, a contact switch 358 is fixedly connected to the lower side of the compression chamber 353, the whole machine has a 110% positive buoyancy feature, which ensures that the equipment will not sink to the bottom of the water beyond the pressure limit to cause the loss or damage of the device in the case of losing from the platform, and when the device accidentally falls into the water and the switch valve of the air vent 2 37 is not closed in time, as the water continues to flow into the cavity 32, the water in the cavity 32 will gradually squeeze the piston plate 351 to slide upward, and the sleeve 355 will be moved to make the abutting block 357 abut against the contact switch 358, at this time, the contact switch 358 controls the electromagnetic valve to open, and the compressed gas in the compression chamber 353 is sprayed out to squeeze and discharge the gas in the cavity 32, so that the device can float, further avoiding the sinking loss of the device.
[0038] In the embodiment of the present application, the outer machine assembly 1 comprises a shell 101, the inner surface of the shell 101 is fixedly connected with a limiting sleeve 102, the inner surface of the limiting sleeve 102 is rotatably connected with an impeller 103, the impeller 103 is fixedly connected with a connecting shaft 104, the end of the connecting shaft 104 away from the impeller 103 is fixedly connected with a driven bevel gear 105, the output end of the engine 34 is fixedly connected with a rotating shaft 341, the bottom end of the rotating shaft 341 is fixedly connected with a driving bevel gear 342, the driven bevel gear 105 is meshed with the driving bevel gear 342, the inner surface of the shell 101 is fixedly connected with a protective sleeve 107, and the driven bevel gear 105 and the driving bevel gear 342 are arranged in the protective sleeve 107, the rotating shaft 341 penetrates through the shell 101 and is rotatably connected with the shell 101, the connecting shaft 104 penetrates through the protective sleeve 107 and is rotatably connected with the protective sleeve 107, by rotating the output shaft of the engine 34, the rotating shaft 341 is driven to rotate, and then the driving bevel gear 342 is driven to rotate, under the transmission action of the driven bevel gear 105, the impeller 103 is driven to rotate, and then the propulsion of the device is completed, and the protective sleeve 107 can protect the driving bevel gear 342 and the driven bevel gear 105 during work.
[0039] Further, in order to realize the rapid deceleration of the device, specifically, the outer wall of the shell 101 is rotationally connected with a deceleration device 106, which is composed of a U-shaped connecting piece 1061, an arc-shaped plate 1062 and a fixed shell 1063, the U-shaped connecting piece 1061 is fixedly connected with the output shaft of the stepping motor, and rotates through the output shaft of the stepping motor to drive the U-shaped connecting piece 1061 to rotate, so that the deceleration device 106 rotates, the output shaft of the stepping motor is started to rotate to drive the U-shaped connecting piece 1061 to rotate, so that the deceleration device 106 rotates, when the deceleration device 106 is parallel to the shell 101, the water flow impacts the shell 101, the water flow is separated from the two groups of arc-shaped plates 1062, a large resistance is generated, and the rapid deceleration of the device is realized.
[0040] It should be noted that the above-mentioned electrical components are all products of the prior art, which are selected, installed and debugged by those skilled in the art according to the needs of use, to ensure that each electrical appliance can work normally, and the components are all general standard components or components known to those skilled in the art, the structure and principle of which can be known by technical personnel through technical manual or through conventional experimental method, and the applicant does not make specific limitation here.
[0041] In use, the device is first installed on the use platform, and then the engine 34 is started, the output shaft of the engine 34 rotates to drive the rotating shaft 341 to rotate, and then the driving bevel gear 342 is driven to rotate, the impeller 103 is driven to rotate under the driving of the driven bevel gear 105, and the propulsion of the device is completed, when deceleration is needed, the output shaft of the stepping motor is started to rotate to drive the U-shaped connecting piece 1061 to rotate, so that the deceleration device 106 rotates, when the deceleration device 106 is parallel to the shell 101, the water flow impacts the shell 101, the water flow is separated from the two groups of arc-shaped plates 1062, a large resistance is generated, and the rapid deceleration of the device is realized.
[0042] At the same time, through the use of the air vents one 36 and two 37, the interior of the pressure-resistant shell two 31 can circulate air when the engine 34 of the device is working, so that the engine 34 can be normally cooled, through the use of the water pump 5, water can be sucked into the cavity 32, and the water in the cavity 32 can also be discharged, the heat-conducting plate 33 is water-cooled, and the engine 34 is further cooled;
[0043] Meanwhile, when the device falls into water accidentally and the switch valve of the air vent 37 does not close in time, as water continues to flow into the cavity 32, the water in the cavity 32 gradually rises to squeeze the piston plate 351 to slide upward, and the sleeve 355 is driven to move to make the abutting block 357 abut against the contact switch 358. At this time, the contact switch 358 controls the electromagnetic valve to open, and the compressed gas in the compression chamber 353 is sprayed out to squeeze and discharge the gas in the cavity 32, so as to realize the floating operation of the device.
[0044] The above is only the preferred embodiment of the present application, and does not limit the patent scope of the present application. Any equivalent structural transformation, direct / indirect application in other related technical fields, or the like made under the inventive concept of the present application, and by using the content of the present application specification and drawings, are included in the patent protection scope of the present application.
Claims
1. A waterproof jet-pump outboard motor comprising an outboard motor assembly (1) and a pressure hull (2), characterized in that: The top of the pressure-resistant shell one (2) is provided with a protection mechanism (3), the lower side of the protection mechanism (3) is provided with a pull handle (4), the lower side of the protection mechanism (3) is provided with a water pump (5), the protection mechanism (3) comprises: The pressure-resistant shell two (31) is fixedly connected at the top of the pressure-resistant shell one (2), a cavity (32) is formed in the pressure-resistant shell two (31), the pull handle (4) is hingedly connected to the bottom of the pressure-resistant shell two (31), and the water pump (5) is fixedly installed at the bottom of the pressure-resistant shell two (31). A heat-conducting plate (33) is fixedly connected to the inner wall of the pressure-resistant shell two (31), an air vent one (36) is formed in the outer wall of the heat-conducting plate (33), an engine (34) is fixedly installed in the pressure-resistant shell two (31), and an air vent two (37) is formed in the outer wall of the pressure-resistant shell two (31). And a loss-prevention assembly (35) is arranged in the pressure-resistant shell two (31). The loss-prevention assembly (35) comprises a piston plate (351) which is slidingly connected to the surfaces of the pressure-resistant shell two (31) and the heat-conducting plate (33), and an elastic telescopic rod (352) is fixedly connected to the inner wall of the pressure-resistant shell two (31) and connected to the piston plate (351) at the telescopic end. A compression chamber (353) is fixedly connected to the inner wall of the pressure-resistant shell two (31), a through pipe (354) is fixedly connected to the outer wall of the compression chamber (353), a sleeve pipe (355) is sleeved on the outer wall of the through pipe (354), and the sleeve pipe (355) is connected to the piston plate (351). An opening is formed in the outer wall of the piston plate (351) and communicates with the sleeve pipe (355), a baffle (356) is elastically connected to the opening of the piston plate (351) by means of a button spring, an electromagnetic valve is arranged on the through pipe (354), an abutting block (357) is fixedly connected to the outer wall of the sleeve pipe (355), and a contact switch (358) is fixedly connected to the lower side of the compression chamber (353).
2. A waterproof jet pump type outboard motor according to claim 1, characterized in that: Switch valves are arranged on the air vent one (36) and the air vent two (37).
3. A waterproof jet pump type outboard motor according to claim 1, characterized in that: A rotating shaft (341) is fixedly connected to the output end of the engine (34), and a driving bevel gear (342) is fixedly connected to the bottom end of the rotating shaft (341).
4. A waterproof jet pump type outboard motor according to claim 3, characterized in that: The outer machine assembly (1) comprises a shell (101), a limiting sleeve (102) is fixedly connected to the inner surface of the shell (101), an impeller (103) is rotatably connected to the inner surface of the limiting sleeve (102), the impeller (103) is fixedly connected with a connecting shaft (104), and a driven bevel gear (105) is fixedly connected to the end, away from the impeller (103), of the connecting shaft (104).
5. A waterproof jet pump type outboard motor according to claim 4, characterized in that: The driven bevel gear (105) is engaged with the driving bevel gear (342), a protective sleeve (107) is fixedly connected to the inner surface of the shell (101), and the driven bevel gear (105) and the driving bevel gear (342) are arranged in the protective sleeve (107).
6. A waterproof jet pump outboard engine according to claim 5, characterized in that: The rotating shaft (341) penetrates the shell (101) and is rotationally connected with the shell (101), and the connecting shaft (104) penetrates the protective sleeve (107) and is rotationally connected with the protective sleeve (107).
7. A waterproof jet pump type outboard motor according to claim 4, characterized in that: The outer wall of the shell (101) is rotationally connected with a deceleration device (106), which is composed of a U-shaped connecting piece (1061), an arc-shaped plate (1062) and a fixed shell (1063). The U-shaped connecting piece (1061) is fixedly connected with the output shaft of the stepping motor and rotates through the output shaft of the stepping motor to drive the U-shaped connecting piece (1061) to rotate, so that the deceleration device (106) rotates.
Citation Information
Patent Citations
Water spraying propelling outboard motor
CN1796228A
Jet pushing type outboard motor
CN2761524Y