CN212047847U

CN212047847U - Gear shifting structure of electric outboard engine

Info

Publication number: CN212047847U
Application number: CN202020614224.2U
Authority: CN
Inventors: 林毅良; 张�杰; 王承卓; 张大临; 罗波
Original assignee: Chongqing Jingsui Cruise Manufacturing Co ltd
Current assignee: Chongqing Jingsui Cruise Manufacturing Co ltd
Priority date: 2020-04-22
Filing date: 2020-04-22
Publication date: 2020-12-01
Anticipated expiration: 2030-04-22

Abstract

The utility model relates to an electric outboard engine shift structure, which comprises an engine body base, wherein the engine body base is connected with a bottom cover, a shift control mechanism is connected in the bottom cover, the shift control mechanism comprises a shift rotating rod, two ends of the shift rotating rod are connected in the bottom cover through a fixed seat, and a driving lever arm, a driven lever arm and a rotating rod positioning arm which extend along the radial direction are arranged on the shift rotating rod; the active lever arm is hinged with the gear shifting connecting rod; the driven lever arm is hinged with a gear switching rod, and the gear switching rod downwards passes through the bottom cover so as to drive the gear shifting actuating mechanism; three positioning groove has been seted up on the lateral surface of bull stick location arm, and three positioning groove just faces mutually along gear shifting bull stick circumference interval and arranges, and the end cover in-connection has a spring leaf, and the free end of spring leaf is equipped with the convex that corresponds with positioning groove, and the convex falls into in arbitrary positioning groove under the resilience force effect of spring leaf. The gear shifting structure is reliable in gear shifting and positioning, labor-saving in operation, obvious in operation feeling and in-place feeling during gear shifting, and capable of improving operation experience feeling.

Description

Gear shifting structure of electric outboard engine

Technical Field

The utility model belongs to the technical field of the advancing device or the steering device of boats and ships, concretely relates to electronic outboard engine gear shifting structure.

Background

The outboard engine is commonly used, an internal combustion engine is used as a power source, an electric motor is used as a power source, and the outboard engine taking the electric motor as the power source is correspondingly developed along with the improvement of the environmental protection requirement, for example, CN101353082A, CN205327382U, CN205239876U, CN206590091U and CN203348426U all disclose the structural characteristics of respective electric outboard engines, wherein CN101353082A also relates to the specific structural design of water cooling of the electric motor; the outboard engine related to CN205327382U can also shift gears and provide a specific structural design of three-gear shifting, but similar to the link-type gear shifting mechanism related to CN205327382U, in the using process, the problems of unreliable gear positioning and gear disengagement often occur, and there are some inconveniences in the operation of gear shifting and steering, and further optimization and improvement are needed.

Disclosure of Invention

The above-mentioned not enough to prior art, the to-be-solved technical problem of the utility model is to provide an electronic outboard engine gear shifting structure, avoid present electronic outboard engine gear shifting to keep off the insecure problem of position, gain the reliable location of gear shifting, convenient operation's effect.

In order to solve the technical problem, the utility model adopts the following technical scheme:

the shifting structure of the electric outboard engine comprises an engine body base, wherein an engine hood is connected to the engine body base and comprises a top hood and a bottom hood which are connected in a vertically buckled mode, the bottom hood is connected to the engine body base, and the top hood is connected to the bottom hood in a buckled mode; the inner side of the bottom wall of the bottom cover is connected with a gear shifting control mechanism, the gear shifting control mechanism comprises a horizontal gear shifting rotating rod, two ends of the gear shifting rotating rod are respectively connected to the inner side of the bottom wall of the bottom cover through a fixing seat, the gear shifting rotating rod is rotatably connected with the fixing seat, a driving lever arm, a driven lever arm and a rotating rod positioning arm which extend along the radial direction of the gear shifting rotating rod are arranged on the gear shifting rotating rod, and the driving lever arm, the rotating rod positioning arm and the driven lever arm are arranged at intervals along the axial direction of the gear shifting rotating rod; the driving lever arm extends vertically upwards, and the free end of the driving lever arm is hinged with the gear shifting connecting rod so as to drive the gear shifting rotating rod to rotate under the push-pull action of the gear shifting connecting rod; the driven lever arm extends horizontally, the free end of the driven lever arm is hinged with the gear switching rod, the gear switching rod is vertical, and the lower end of the gear switching rod penetrates through the bottom cover so as to correspondingly drive the gear switching rod to lift and drive the gear shifting actuating mechanism when the gear shifting rotating rod rotates; the utility model discloses a shift gear shifting device, including a bottom cover, a rotating rod, a shift gear shifting rotating rod, a bottom cover, a shift gear limiting spring piece, a convex shape, a rotation rod positioning arm, a shift gear limiting spring piece, a spring back force, a spring back.

The effect is as follows: the gear shifting structure of the electric outboard engine adopts a lever type structure, and is convenient and labor-saving to operate; through the design and use of the positioning grooves of the positioning arms of the rotating rod and the convex shapes of the gear shifting limiting spring pieces, in the gear shifting process, the convex shapes fall into the corresponding positioning grooves under the action of the resilience force of elastic deformation of the gear shifting limiting spring pieces on each gear, and at the moment, the prepressing force of the gear shifting limiting spring pieces needs to be overcome to enable the gear shifting limiting spring pieces to continuously deform to a larger working pressure when the gear shifting rotating rod is rotated, so that the rotating positioning of the gear shifting rotating rod is realized, and gear disengagement and gear skipping cannot occur in the use process; meanwhile, the gear shifting limiting spring piece works between the state switching of working pressure (during manual gear shifting) and pre-pressure (during gear shifting in place), so that the operation feeling and the in-place feeling during gear shifting are obvious, the operation experience feeling is improved, and the use is comfortable.

The gear shifting actuating mechanism driven by the ascending and descending of the gear switching rod and the related gear shifting action are the prior art and are not described again here.

Further perfecting the technical scheme, the machine body base is connected with the raising mechanism through a steering support, the steering support is T-shaped and comprises a vertical rotating cylinder serving as a rotating shaft, the upper end of the rotating cylinder respectively extends forwards and backwards to form a support arm and two support arms, the support arms are fixedly connected with the machine body base through the two support arms, and the free end of the support arm is connected with a steering handle through a steering bracket; the lifting mechanism comprises a left clamping bracket, a right clamping bracket and a rotating bracket, wherein the lifting bracket is rotatably connected between the left clamping bracket and the right clamping bracket and is provided with a connecting base cylinder; the rotating cylinder of the steering support can be rotatably arranged in the connecting base cylinder of the rotating bracket in a penetrating way; the lower end of the gear switching rod penetrates through the bottom cover and penetrates through the rotating cylinder body.

The effect is as follows: through the connection design of the steering support and the rotating bracket, the structural strength of the outboard engine can be improved, the assembly and installation of all components and the whole body are convenient, and the assembly and disassembly are convenient; the turning cylinder of the steering support is used as a turning shaft, and the steering can be conveniently and reliably steered through the steering handle connected with one arm of the steering support. The gear shifting rod drives the gear shifting actuating mechanism after the inner hole of the self-rotating cylinder body passes through the gear shifting actuating mechanism, so that the appearance design of a shell of a machine body part can be reduced, and the gear shifting rod is convenient to disassemble and maintain independently.

Furthermore, the steering bracket is a rectangular frame body and is connected to the free end of a support arm in a mode of continuously extending forwards, one long edge of the rectangular frame body is connected with the free end of the support arm through a screw, the other long edge of the rectangular frame body is formed into an auxiliary steering handle, and the steering handle is connected to the outer side face of one short edge of the rectangular frame body and extends forwards; the inner side surface of the short side can be connected with a gear shifting handle in a forward and backward swinging mode, and the gear shifting connecting rod penetrates through the side wall of the bottom cover and is hinged to the gear shifting handle so as to realize the pushing and pulling effect of the gear shifting connecting rod on the driving lever arm through the swinging of the gear shifting handle.

The effect is as follows: the steering force has a long arm, so that the steering is convenient; an auxiliary steering handle is arranged, so that the operation comfort is improved; meanwhile, the steering, the speed changing (in the prior art, the steering handle is rotated along the axis of the steering handle to realize the speed changing) and the gear shifting are relatively centralized, so that the outboard engine is convenient to operate, and the operation comfort is further improved.

Furthermore, a gear shifting rocker arm extending along the radial direction of the gear shifting rotating rod is further arranged on the gear shifting rotating rod, and the free end of the gear shifting rocker arm is provided with a gear pull rod hinged part so as to expand the front operation gear shifting function.

The effect is as follows: an interface is reserved, so that function expansion is facilitated; reserve the gear shift rocking arm that is used for electrically controlled gear shift to act as go-between to connect and keep off position pull rod articulated portion, can utilize the gear shift to act as go-between to realize the rotation of gear shift bull stick when leading electrically controlled operation, just no longer use (can dismantle) manual gear shift handle and gear shift connecting rod, the automatic transformation of later stage of being convenient for.

Drawings

FIG. 1 is a schematic structural diagram of an electric outboard engine shift structure according to an embodiment;

FIG. 2 is a rear view of FIG. 1;

FIG. 3 is a perspective view of an electric outboard engine shift structure according to an exemplary embodiment;

FIG. 4 is a schematic view of the base of FIG. 3 with parts (canopy, water craft) hidden;

FIG. 5 is an enlarged view of a portion of the interior of the bottom housing of FIG. 4;

FIG. 6 is a schematic view of the parts (left and right holding brackets, underwater housing) of FIG. 4 with parts left and right hidden;

FIG. 7 is a top view of FIG. 6;

FIG. 8 is a schematic illustration of parts of a steering support and rotation bracket in an exemplary embodiment;

FIG. 9 is a schematic diagram of a shift transmission and a power transmission of an electric outboard engine according to an embodiment;

FIG. 10 is an enlarged view of portion A of FIG. 9;

the hydraulic control device comprises a machine body base 1, a vertical driving shaft 11, an engine cover 2, a top cover 21, a bottom cover 22, an overwater shell 3, a damping mechanism 31, an underwater shell 4, an output shaft 41, a propeller 42, a double-hole damper 5, a steering support 6, a rotating cylinder 61, a support arm 62, a two support arm 63, a steering bracket 64, an auxiliary steering handle 641, a steering handle 65, a raising mechanism 7, a left clamping bracket 71, a right clamping bracket 72, a rotating bracket 73, a connecting base cylinder 732, a gear shifting control mechanism 8, a gear shifting rotating rod 81, a fixed seat 82, a driving lever arm 83, a driven lever arm 84, a rotating rod positioning arm 85, a positioning groove 851, a gear shifting limit spring piece 86, a convex 861, a gear shifting handle 87, a gear shifting connecting rod 871, a gear shifting rod 88, a gear shifting rocker arm 89, a gear shifting pull rod hinge portion 891 and a gear shifting execution mechanism 9.

Detailed Description

The following describes the present invention in further detail with reference to the accompanying drawings.

Referring to fig. 1 to 10, the shifting structure of the electric outboard engine of the embodiment includes an engine body base 1, a hood 2 is connected to the engine body base 1, and a motor (not shown) is disposed in the hood 2 and connected to an upper surface of the engine body base 1; the engine hood 2 comprises a top hood 21 and a bottom hood 22 which are buckled up and down, the bottom hood 22 is connected to the engine body base 1, and the top hood 21 is buckled and connected to the bottom hood 22; the lower surface of the machine body base 1 is connected with the water-surface shell 3, the lower surface of the water-surface shell 3 is connected with the underwater shell 4, an output shaft 41 is arranged in the underwater shell 4, and the free end of the output shaft 41 extends out of the underwater shell 4 and is synchronously connected with a propeller 42 in a rotating mode; the motor is connected with a vertical driving shaft 11 in a driving mode, and the vertical driving shaft 11 extends downwards through the machine body base 1 and the water shell 3 and is connected with the output shaft 41 in a transmission mode through the gear shifting executing mechanism 9 in the underwater shell 4.

Referring to fig. 8, the machine body base 1 is connected to the raising mechanism 7 through the steering support 6, the steering support 6 is T-shaped and includes a vertical rotating cylinder 61 serving as a rotating shaft, the upper end of the rotating cylinder 61 extends forward and backward to form a support arm 62 and two support arms 63, and is fixedly connected to the machine body base 1 through the two support arms 63, and the free end of the support arm 62 is connected to the steering handle 65 through the steering bracket 64; the lifting mechanism 7 comprises a left clamping bracket 71, a right clamping bracket 72 and a rotating bracket 73 which is rotatably connected between the left clamping bracket and the right clamping bracket in a lifting manner, and the rotating bracket 73 is provided with a connecting base cylinder 732; the rotating cylinder 61 of the steering support 6 can be rotatably inserted into the inner hole of the connecting base cylinder 732 of the rotating bracket 73, so that the left and right clamping brackets are clamped and fixed on the ship board, conventionally, the rotating bracket 73 and the left and right clamping brackets are fixed through bolts, the steering handle 65 exerts force to drive the machine body base 1 to rotate by taking the rotating cylinder 61 as a rotation center so as to achieve the purpose of turning, and the lower end of the rotating cylinder 61 penetrates through the connecting base cylinder 732 and is connected with the damping mechanism 31 connected to the outer side of the water shell 3; the lower end of the connection base cylinder 732 may be rotatably connected to the damper mechanism 31, or may naturally extend to the upper surface of the damper mechanism 31, so that the axial movement of the rotary cylinder 61 in the connection base cylinder 732 may be restricted.

The gear shifting control mechanism 8 is connected to the inner side of the bottom wall of the bottom cover 22, and a gear shifting rod 88 of the gear shifting control mechanism 8 vertically extends downwards to penetrate into the underwater shell 4 after extending through the bottom cover 22 and the inner hole of the rotating cylinder 61 so as to drive the gear shifting of the gear shifting actuating mechanism 9, namely, the lower end of the gear shifting rod 88 is connected with the gear shifting actuating mechanism 9 in the underwater shell 4 in a driving manner.

Referring to fig. 6 and 7, the steering bracket 64 is a rectangular frame body, and is connected to the free end of a support arm 62 in a manner of extending forward, one long side of the rectangular frame body is connected to the free end of the support arm 62 by a screw, the other long side of the rectangular frame body is formed as an auxiliary steering handle 641, and the steering handle 65 is connected to the outer side of one short side of the rectangular frame body and extends forward. The inner side surface of the short side can be connected with a gear shifting handle 87 in a back and forth swinging mode, the gear shifting handle 87 is connected with a gear shifting connecting rod 871, and the gear shifting connecting rod 871 penetrates through the side wall of the bottom cover 22 and is connected with the gear shifting control mechanism 8 in a driving mode.

Referring to fig. 9 and 10, the variation control mechanism includes a shift lever 81, two ends of the shift lever 81 are respectively connected to the inner side of the bottom wall of the bottom cover 22 through a fixing seat 82, the shift lever 81 is rotatably connected to the fixing seat 82, the shift lever 81 is provided with a driving lever arm 83, a driven lever arm 84 and a lever positioning arm 85 extending along the radial direction of the shift lever 81, and the driving lever arm 83, the lever positioning arm 85 and the driven lever arm 84 are arranged along the axial direction of the shift lever 81 at intervals; the active lever arm 83 extends vertically upwards to be connected with the shift connecting rod 871, and the free end of the active lever arm 83 is hinged with the shift connecting rod 871 so as to drive the shift rotating rod 81 to rotate under the pushing and pulling action of the shift connecting rod 871; the driven lever arm 84 extends horizontally to connect with a gear shift rod 88, and the free end of the driven lever arm 84 is hinged with the upper end of the gear shift rod 88 so as to correspondingly drive the gear shift rod 88 to lift and lower when the shift rod 81 rotates; three positioning grooves 851 are formed in the outer side surface of the rotating rod positioning arm 85 along the radial direction of the gear shifting rotating rod 81, the three positioning grooves 851 are arranged at intervals along the circumferential direction of the gear shifting rotating rod 81 and are adjacent to each other, a gear shifting limiting spring piece 86 is connected to the inner side of the bottom wall of the bottom cover 22, a convex shape 861 corresponding to the positioning grooves 851 is arranged at the free end of the gear shifting limiting spring piece 86, and the convex shape 861 falls into any one of the positioning grooves 851 under the action of the resilience force of elastic deformation of the gear shifting limiting spring piece 86 so as to realize the rotation positioning of the gear shifting rotating rod 81.

Referring to fig. 5, the shift lever 81 is further provided with a shift rocker 89 extending along a radial direction thereof, and a free end of the shift rocker 89 is provided with a shift lever hinge 891 so as to expand a front-operated shift function. During implementation, the two support arms 63 can be directly and fixedly connected to the side of the machine body base 1 or detachably connected to the machine body base 1, and the double-hole shock absorber 5 is adopted to be connected with the machine body base 1 in the embodiment.

Referring to fig. 9, the lower end of the gear shift lever 88 is connected to the shift actuator 9 through a top block with a three-stage step surface, the lower end of the vertical driving shaft 11 is connected to a driving bevel gear, the shift actuator 9 includes a first driven bevel gear and a second driven bevel gear that are sleeved on the output shaft 41, the first driven bevel gear and the second driven bevel gear are normally engaged with the driving bevel gear, a slider is disposed on the output shaft 41 between the first driven bevel gear and the second driven bevel gear, the slider rotates synchronously with the output shaft 41, and is connected to a top pin at the inner end of the output shaft 41, the top block at the lower end of the gear shift lever 88 is driven to act on the top pin, and the horizontal position of the slider is changed by lifting (a necessary return spring is required to continuously provide a leftward force to the slider. When the sliding block moves leftwards and is combined with the first driven bevel gear, the first driven bevel gear transmits power to output power outwards, when the sliding block moves rightwards and is combined with the second driven bevel gear, the second driven bevel gear outputs power outwards, if two forward and backward gears are determined, the sliding block is in a neutral gear when positioned between the first driven bevel gear and the second driven bevel gear, and at the moment, the middle step of the ejector block contacts the ejector pin.

The gear shifting structure of the electric outboard engine of the embodiment adopts a lever type structure, and is convenient and labor-saving to operate; through the design and use of the positioning groove 851 of the rotating rod positioning arm 85 and the convex shape 861 of the shift limiting spring piece 86, in the shifting process, on each gear, the convex shape 861 falls into the corresponding positioning groove 851 under the action of the resilience force of elastic deformation of the shift limiting spring piece 86, and at the moment, when the shift rotating rod 81 is to be rotated, the pre-pressure of the shift limiting spring piece 86 needs to be overcome, so that the shift limiting spring piece 86 continuously deforms to a larger working pressure, the rotation positioning of the shift rotating rod 81 is realized, and the shift and the skip cannot occur in the using process; meanwhile, the gear shifting limiting spring piece 86 works between the state switching of working pressure (during manual gear shifting) and pre-pressure (during gear shifting in place), so that the operation feeling and the in-place feeling during gear shifting are obvious, the operation experience feeling is improved, and the use is comfortable.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

1. The shifting structure of the electric outboard engine comprises an engine body base, wherein an engine hood is connected to the engine body base and comprises a top hood and a bottom hood which are connected in a vertically buckled mode, the bottom hood is connected to the engine body base, and the top hood is connected to the bottom hood in a buckled mode; the method is characterized in that: the inner side of the bottom wall of the bottom cover is connected with a gear shifting control mechanism, the gear shifting control mechanism comprises a horizontal gear shifting rotating rod, two ends of the gear shifting rotating rod are respectively connected to the inner side of the bottom wall of the bottom cover through a fixing seat, the gear shifting rotating rod is rotatably connected with the fixing seat, a driving lever arm, a driven lever arm and a rotating rod positioning arm which extend along the radial direction of the gear shifting rotating rod are arranged on the gear shifting rotating rod, and the driving lever arm, the rotating rod positioning arm and the driven lever arm are arranged at intervals along the axial direction of the gear shifting rotating rod; the driving lever arm extends vertically upwards, and the free end of the driving lever arm is hinged with the gear shifting connecting rod so as to drive the gear shifting rotating rod to rotate under the push-pull action of the gear shifting connecting rod; the driven lever arm extends horizontally, the free end of the driven lever arm is hinged with the gear switching rod, the gear switching rod is vertical, and the lower end of the gear switching rod penetrates through the bottom cover so as to correspondingly drive the gear switching rod to lift and drive the gear shifting actuating mechanism when the gear shifting rotating rod rotates; the utility model discloses a shift gear shifting device, including a bottom cover, a rotating rod, a shift gear shifting rotating rod, a bottom cover, a shift gear limiting spring piece, a convex shape, a rotation rod positioning arm, a shift gear limiting spring piece, a spring back force, a spring back.

2. The electric outboard engine shift structure according to claim 1, wherein: the machine body base is connected with the tilting mechanism through a steering support, the steering support is T-shaped and comprises a vertical rotating cylinder serving as a rotating shaft, the upper end of the rotating cylinder extends forwards and backwards to form a support arm and two support arms respectively, the support arms are fixedly connected with the machine body base through the two support arms, and the free end of the support arm is connected with a steering handle through a steering bracket; the lifting mechanism comprises a left clamping bracket, a right clamping bracket and a rotating bracket, wherein the lifting bracket is rotatably connected between the left clamping bracket and the right clamping bracket and is provided with a connecting base cylinder; the rotating cylinder of the steering support can be rotatably arranged in the connecting base cylinder of the rotating bracket in a penetrating way; the lower end of the gear switching rod penetrates through the bottom cover and penetrates through the rotating cylinder body.

3. The electric outboard engine shift structure according to claim 2, wherein: the steering bracket is a rectangular frame body and is connected to the free end of a support arm in a mode of continuously extending forwards, one long edge of the rectangular frame body is connected with the free end of the support arm through a screw, the other long edge of the rectangular frame body is formed into an auxiliary steering handle, and the steering handle is connected to the outer side face of one short edge of the rectangular frame body and extends forwards; the inner side surface of the short side can be connected with a gear shifting handle in a forward and backward swinging mode, and the gear shifting connecting rod penetrates through the side wall of the bottom cover and is hinged to the gear shifting handle so as to realize the pushing and pulling effect of the gear shifting connecting rod on the driving lever arm through the swinging of the gear shifting handle.

4. The electric outboard engine shift structure according to claim 1, wherein: the gear shifting rotating rod is also provided with a gear shifting rocker arm extending along the radial direction of the gear shifting rotating rod, and the free end of the gear shifting rocker arm is provided with a gear pull rod hinged part so as to expand the front operation gear shifting function.