CN112324599A

CN112324599A - Electric starting device for general gasoline engine

Info

Publication number: CN112324599A
Application number: CN201910717525.XA
Authority: CN
Inventors: 徐春初
Original assignee: Zhejiang Aoshifu Electromechanical Co ltd
Current assignee: Zhejiang Dazhou Garden Machinery Co ltd
Priority date: 2019-08-05
Filing date: 2019-08-05
Publication date: 2021-02-05
Anticipated expiration: 2039-08-05
Also published as: CN112324599B

Abstract

The invention belongs to the technical field of gasoline engines, and particularly relates to an electric starting device for a general gasoline engine. The universal gasoline engine electric starting device provided by the invention has the advantages that the connecting seat capable of replacing the original manual starting device of the engine is arranged, and the shell of the built-in motor is assembled on the connecting seat, so that other original structures of the engine are not required to be changed, and the universality of the starting device is enhanced.

Description

Electric starting device for general gasoline engine

Technical Field

The invention belongs to the technical field of gasoline engines, and particularly relates to an electric starting device for a general gasoline engine.

Background

The traditional small gasoline engine starting device is started by hand power, and the physical power is consumed. At present, electric starting devices exist, but the devices have obvious defects, the existing electric starting devices can not replace the conventional manual starting pull disc, only can be used for a special gasoline engine specially matched with the electric starting devices, and are not suitable for other conventional general gasoline engines, so the applicability of the device is poor.

The existing electric starting machine is also very inconvenient to use, and because the electric starting machine is not detachable, the electric starting machine needs to be randomly moved to a place with a power supply for charging, so that great inconvenience is brought.

Disclosure of Invention

The invention aims to provide an electric starting device of a general gasoline engine, which can replace a connecting seat of an original manual starting device of the engine by arranging, and then assemble a shell with a built-in motor on the connecting seat, does not need to change other original structures of the engine, and enhances the universality of the starting device.

The purpose of the invention is realized as follows: the utility model provides a general petrol engine electromechanical starting device, includes the connecting seat of being connected with the petrol engine, with the shell of connecting seat joint complex, the shell embeds there is the motor, and the motor is connected with reduction gears, and reduction gears output end installs the declutch shift dish that cooperates the engine start shift fork.

Furthermore, the connecting seat rear end sets up the joint interface, joint interface circumference distribution joint groove, the joint piece in shell front end circumference distribution adaptation joint groove, the joint piece inserts the joint groove to rotatory to joint interface internal surface realizes the rotatory lock of connecting seat and shell.

Furthermore, reduction gears includes a plurality of reduction gear sets that mesh in proper order and form, is provided with the torsional spring between reduction gear set's output gear and the shift fork dish, the both ends of torsional spring respectively with shift fork dish and output gear link to each other.

Furthermore, the front surface of the shifting fork disc is provided with a clamping groove matched with a starting shifting fork, the back surface of the shifting fork disc is provided with a first annular groove for mounting a torsion spring, the output gear is relatively provided with a second annular groove, the torsion spring is embedded between the two annular grooves, and the two annular grooves are respectively provided with a bayonet for clamping two ends of the torsion spring.

Further, the connecting seat is connected with the shell in a sealing mode.

Further, the shell includes first shell and lower half shell, sets up the slot that extends along the profile on the first shell fitting surface, sets up the sand grip that extends along the profile on the lower half shell fitting surface.

Furthermore, the reduction gear set comprises an input gear, a transition gear and an output gear, wherein the input gear is arranged on an output shaft of the motor, and the transition gear is a stepped gear and is externally meshed with the output gear and internally meshed with the output gear.

Furthermore, the shell is internally provided with a battery and a circuit board, the circuit board is at least provided with a liquid crystal display screen, a charging port and a control port, the shell is correspondingly provided with a corresponding function window, and the function window is provided with a waterproof structure.

Furthermore, a delay circuit is arranged on a circuit board in the shell, and after the device is started for a set time, the delay circuit controls the electronic component cut-off circuit.

Furthermore, a microswitch is arranged on the circuit board, the circuit board is connected with a waterproof switch through a lead, and the waterproof switch and the microswitch are connected in an electrical series mode.

Compared with the prior art, the invention has the outstanding and beneficial technical effects that:

firstly, the quick assembling and disassembling connector is used, so that the shell can be very conveniently disassembled from the connecting seat; the connecting seat can replace a manual starting device of the engine, the original mechanism of the engine is not required to be changed, and the universality of the starting device is greatly improved.

The two half shell socket structures of the shell, the sealing connection of the connecting seat and the shell, the arrangement of the waterproof switch and the waterproof sealing sticker can safely carry out outdoor operation and effectively prevent rainwater and the like from entering the device.

And thirdly, the liquid crystal display screen for displaying the electric quantity and the charging port are arranged, so that a user can conveniently supplement the power supply.

And fourthly, the starting of the device is divided into two different switch actions of a waterproof switch and a microswitch, so that the false starting of the machine is effectively prevented, and the safety performance is improved.

Drawings

FIG. 1 is an outline view of an electromechanical starting device for a gasoline engine in an embodiment of the present invention;

fig. 2 is a sectional view of an electromechanical starting apparatus for gasoline in an embodiment of the present invention;

fig. 3 is a first exploded view of the electromechanical starter of gasoline engine in the embodiment of the present invention;

FIG. 4 is a second exploded view of the electromechanical starter of gasoline engine in the embodiment of the present invention;

FIG. 5 is a mating view of a support bracket and a transition gear in an embodiment of the present invention;

FIG. 6 is an external view of the gasoline engine of the embodiment of the present invention with the manual starting apparatus removed;

fig. 7 is an external view of the gasoline engine set after the electric starting device in the embodiment of the invention.

Reference numerals: 1. a housing; 1a, an upper half shell; 1a1, slot; 1b, a lower half shell; 1b1, convex strips; 1c, a clamping block; 2. a connecting seat; 2a, mounting holes; 2b, a card interface; 2c, a clamping groove; 2d, a guide slope; 2e, a limiting block; 3. a fork disc; 3a, a clamping groove; 3b, a first annular groove; 4. a torsion spring; 5. a motor; 6. a battery; 7. a circuit board; 8. a liquid crystal display screen; 9. waterproof seal stickers; 10. a waterproof switch; 11. a charging port; 12. an input gear; 13. a transition gear; 13a, a step gearwheel; 13b, a stepped pinion; 14. an output gear; 14a, a bayonet; 14b, a second annular groove; 15. a support frame; 15a, a support shaft; 15b, a first supporting plate; 15c, a second support plate; 16. a gasoline engine; 17. and (5) sealing rings.

Detailed Description

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

A general gasoline engine electric starting device combines with a figure 1 and a figure 2, and comprises a shell 1 and a connecting seat 2, wherein a battery 6, a motor 5 and a speed reducing mechanism are arranged in the shell 1, the battery 6 supplies power for the motor 5, and the motor 5 outputs through the speed reducing mechanism; the output end of the speed reducing mechanism is provided with a shifting fork disc 3. As can be seen from fig. 6 and 7, the connecting seat 2 is fixed on the gasoline engine 16 through a mounting hole 2a formed thereon, and the shifting fork plate 3 is matched with a starting shifting fork of the engine through the connecting seat 2.

Referring to fig. 3 and 4, since the connection holder 2 is fixed to the gasoline engine 16, the connection holder 2 and the housing 1 are snap-fitted to each other in order to facilitate quick assembly and separation of the connection holder 2. Wherein, 2 rear ends of connecting seat set up joint interface 2b, joint interface 2b circumference distribution

joint groove

2c, 1 front end circumference of shell distributes the joint piece 1c in adaptation joint groove 2c, and joint piece 1c inserts joint groove 2c to rotatory to joint interface 2b internal surface, realize the rotatory lock of connecting seat 2 and shell 1. Specifically, referring to the enlarged portion of fig. 4, a guiding inclined surface 2d is arranged on the inner side of the card interface 2b, the guiding inclined surface 2d faces the card slot 2c, so that the card block 1c can be conveniently screwed in, and the inner walls of the card block 1c and the card interface 2b are tightly abutted to each other after being screwed in. A limiting block 2e is further arranged at the rear part of the guide inclined plane 2d to ensure that the shell 1 rotates in place.

Referring to fig. 2, 3 and 5, the reduction mechanism is mounted on the support frame 15 and is composed of a plurality of reduction gears, namely an input gear 12, a transition gear 13 and an output gear 14. The input gear 12 is connected with the output shaft of the motor 5, the transition gear 13 is a step gear, a step large gear 13a thereof is externally meshed with the input gear 12, and a step small gear 13b thereof is internally meshed with the output gear 14. So set up, overall structure is compact.

The supporting frame 15 comprises a supporting shaft 15a, a first supporting plate 15b and a second supporting plate 15c, the second supporting plate 15c is fixed on the motor 5 or the shell 1, the input gear 12 and the transition gear 13 are installed between the first supporting plate 15b and the second supporting plate 15c, the output gear 14 and the shifting fork disc 3 are respectively sleeved on the supporting shaft 15a, and a limiting screw is installed on the end face of the supporting shaft 15a to limit the axial position of the shifting fork disc 3.

Referring to fig. 2-4, the front surface of the fork disc 3 is provided with a clamping groove 3a matched with a starting fork, the back surface of the fork disc 3 is provided with a first annular groove 3b for mounting a torsion spring 4, the output gear 14 is oppositely provided with a second annular groove 14b, the torsion spring 4 is embedded between the two annular grooves, and the two annular grooves are respectively provided with bayonets 14a for clamping two ends of the torsion spring 4. The fork disc 3 is provided with torque by the output gear 14, and a torsion spring 4 for transmitting the torque is arranged between the output gear and the fork disc, so that a buffering effect can be achieved.

Wherein, the inside circuit board 7 that still is provided with of shell 1, is provided with liquid crystal display 8, charging port 11, control port and micro-gap switch at least on the circuit board 7, corresponds the functional window that sets up on the shell 1 to make things convenient for corresponding port and display screen to expose. In order to operate the safety, the circuit board 7 is also connected with a waterproof switch 10 through a lead, the waterproof switch 10 and the microswitch are connected in an electrical series connection mode, and only after the waterproof switch and the microswitch are pressed simultaneously, the device can be started to ensure the safety. Referring to fig. 4, the lower housing half 1b at the rear of the housing 1 is provided with two side-by-side openings for mounting the water-tight switch 10 and the micro-switch.

A circuit board in the shell is provided with a delay circuit, and after the device is started for a set time, the delay circuit controls an electronic component (such as an MOS tube or an IGBT tube) to cut off a circuit, so that the device is protected better.

In order to meet the waterproof requirement of outdoor operation, a sealing ring 17 is arranged on the matching surface between the connecting seat 2 and the shell 1. The housing 1 includes an upper half case 1a and a lower half case 1b, wherein a mating surface of the upper half case 1a is provided with a slot 1a1 extending along a contour, and a mating surface of the lower half case 1b is provided with a protruding strip 1b1 extending along the contour. Bolt holes are arranged at the bottom of the lower half shell 1b, and bolts penetrate upwards from the bottom and are connected with the upper half shell 1 b. The shell of the socket structure can effectively prevent rainwater from falling into the shell. Furthermore, waterproof seal stickers 9 (such as transparent plastic film paper) are arranged on the liquid crystal display screen 8 window and the microswitch window of the shell 1, and plugs are arranged on the charging ports 11, so that rainwater is prevented from permeating into the shell from the corresponding function windows of the shell 1.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.

Claims

1. An electric starting device for a general gasoline engine is characterized in that: the engine starting device comprises a connecting seat connected with the gasoline engine and a shell clamped and matched with the connecting seat, wherein a motor is arranged in the shell, the motor is connected with a speed reducing mechanism, and a shifting fork disc matched with an engine starting shifting fork is arranged at the output end of the speed reducing mechanism.

2. The electric starting device for a general gasoline engine according to claim 1, wherein: the connecting seat rear end sets up the joint interface, joint interface circumference distribution joint groove, the joint piece in shell front end circumference distribution adaptation joint groove, joint piece inserts the joint groove to it is rotatory to joint interface internal surface, realizes the rotatory lock of connecting seat and shell.

3. The electric starting device for a general gasoline engine according to claim 1, wherein: the speed reducing mechanism comprises a plurality of speed reducing gear sets which are sequentially meshed, a torsion spring is arranged between an output gear of the speed reducing gear set and the shifting fork disc, and two ends of the torsion spring are respectively connected with the shifting fork disc and the output gear.

4. The electric starting device for a general gasoline engine according to claim 3, wherein: the front surface of the shifting fork disc is provided with a clamping groove matched with a starting shifting fork, the back surface of the shifting fork disc is provided with a first annular groove for mounting a torsion spring, the output gear is relatively provided with a second annular groove, the torsion spring is embedded between the two annular grooves, and the two annular grooves are respectively provided with a bayonet for clamping two ends of the torsion spring.

5. The electric starting device for a general gasoline engine according to claim 1, wherein: the connecting seat is connected with the shell in a sealing mode.

6. The electric starting device for a general gasoline engine according to claim 1, wherein: the shell includes first shell and lower half shell, sets up the slot that extends along the profile on the first shell fitting surface, sets up the sand grip that extends along the profile on the lower half shell fitting surface.

7. The electric starting device for a general gasoline engine according to claim 3, wherein: the speed reducing gear set comprises an input gear, a transition gear and an output gear, wherein the input gear is arranged on an output shaft of the motor, and the transition gear is a stepped gear and is externally meshed with the output gear and internally meshed with the output gear.

8. The electric starting device for a general gasoline engine according to claim 1, wherein: the shell is built-in to have battery and circuit board, is provided with liquid crystal display, charging port, control port on the circuit board at least, corresponds on the shell and sets up corresponding function window, sets up waterproof construction on the function window.

9. The electric starting device for a general gasoline engine according to claim 1, wherein: and a circuit board in the shell is provided with a delay circuit, and after the device is started for a set time, the delay circuit controls the cut-off circuit of the electronic component.

10. The universal gasoline engine electromechanical starting device according to claim 8, characterized in that: the circuit board is provided with a microswitch, the circuit board is connected with a waterproof switch through a lead, and the waterproof switch and the microswitch are connected in an electrical series mode.