CN203476581U - Starter for lawn mower - Google Patents
Starter for lawn mower Download PDFInfo
- Publication number
- CN203476581U CN203476581U CN201320576869.1U CN201320576869U CN203476581U CN 203476581 U CN203476581 U CN 203476581U CN 201320576869 U CN201320576869 U CN 201320576869U CN 203476581 U CN203476581 U CN 203476581U
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- China
- Prior art keywords
- cavity
- output shaft
- gear
- driving terminal
- motor body
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Abstract
A starter for a lawn mower comprises a motor body, an output shaft, a drive gear and a drive end cap. The rear end of the drive end cap is provided with a first concave cavity, the front end of the drive end cap is provided with a fixing column, a gear cavity is arranged in the fixing column, the lower wall of the gear cavity is provided with a notch, the front end of the gear cavity is provided with a supporting blind hole, the two sides of the lower end of the drive end cap extend downwards to form an installation support, the upper end of one side of the drive end cap is provided with a grounded support, the other side of the drive end cap extends to form a protruding portion, the rear end of the protruding portion is provided with an electromagnetic switch, the rear end face of the protruding portion is provided with a second cavity and a communication cavity, the tail end of a movable iron core of the electromagnetic switch is arranged in the second cavity, a shift fork is installed in the communication cavity, one end of the shift fork is arranged in the first concavity cavity and pokes the drive gear, and the other end of the shift fork is arranged in the second concave cavity and hinged to he movable iron core. Due to the structure, parts can be prevented from being damaged, service life of the starter is long, and meanwhile the drive end cap is reasonable in structural design, convenient to install and low in cost.
Description
Technical field
The utility model relates to a kind of starter motor, relates in particular to a kind of mowing machine starter motor.
Background technique
Mowing machine starter motor of the prior art, comprise motor body, on the output shaft of this motor body, be set with the actuation gear that can slide and can rotate with this output shaft on this output shaft, on described output shaft, be set with the Flexible Connector being connected between described actuation gear and motor body, also comprise that one is positioned at the place ahead of described motor body and covers at the lid outside described actuation gear, on this lid, arrange and be installed to the mounting hole on mowing machine.In use, starting electrical machinery body, motor body drives output shaft rotation, output shaft drives actuation gear to rotate, due to actuation gear output shaft slip relatively, thereby actuation gear is thrown out of flywheel on the motor with mowing machine under the effect of centrifugal force, thereby the flywheel driven that is meshed rotates, thereby flywheel drives engine operation; After engine start, disable motor body, output shaft and actuation gear stop operating, and actuation gear is return under the effect of the restoring force of Flexible Connector.The shortcoming that this mowing machine also exists with starter motor is: 1, because actuation gear is meshed with flywheel by throwing away power, make like this actuation gear and flywheel because of collision easily damaged.2, output the tip of the axis is generally unsettled, when output shaft rotation, thereby because actuation gear is installed on it, output shaft is easily swung, and further accelerates the damage between actuation gear and flywheel, and meanwhile, thereby output shaft easily breaks because of bearing radial force.
Summary of the invention
In order to overcome the mowing machine starter motor that exists above-mentioned deficiency, the utility model that a kind of simple in structure, not fragile, long service life is provided in prior art.
The technical scheme in the invention for solving the technical problem is: a kind of mowing machine starter motor, comprise motor body, on the output shaft of this motor body, be set with the actuation gear that can slide and can rotate with this output shaft on this output shaft, also comprise that one is positioned at the place ahead of described motor body and covers at the Driving terminal outside described actuation gear, on the ear end face of described Driving terminal, be concaved with one day to the first cavity of described motor body opening, the middle part of the front-end face of described Driving terminal is extended with forward supporting post, in this supporting post, offering one can be for before described actuation gear, the gear cavity of rear movement, the rear end of this gear cavity is connected with described the first cavity, on the lower wall of this gear cavity, offer and can hold the breach that described actuation gear partly stretches out, the front end of this gear cavity is provided with the support blind hole that supports described output shaft,
The both sides of the lower end of described Driving terminal are extended with mounting bracket downwards, on this mounting bracket, offer mounting hole, described Driving terminal is provided with at least two the first fixed holes that run through from front to back, in this first fixed hole, be provided with and run through screw, this runs through screw and is fixed on described motor body through after described the first fixed hole, the upper end of one side of described Driving terminal has extended upward a grounded bracket, the upper surface of this grounded bracket is plane, on the upper surface of this grounded bracket, offer ground connection tapped hole, this ground connection tapped hole is for client's ground wire;
The opposite side of described Driving terminal is outward extended with a convex portion, the magnetic switch paralleling with described motor body is installed on the rear end of this convex portion, on the ear end face of this convex portion, be concaved with the second cavity towards magnetic switch opening, between this second cavity and described the first cavity, be communicated with ditch cavity, described convex portion is provided with at least two the second fixed holes that run through from front to back, in this second fixed hole, switch screw is installed, this switch screw is fixed in described magnetic switch through after described the second fixed hole;
The end of the movable core of described magnetic switch is placed in described the second cavity, in described ditch cavity, a shift fork is installed, one end of this shift fork is placed in described the first cavity and can forward and backwardly stirs described actuation gear, and the other end of this shift fork is placed in described the second cavity and is hinged with the end of described movable core.
Further, the front end of described supporting post is provided with taper guide portion, and when mounted, supporting post is to be placed in the housing of mowing machine, and taper guide portion plays leading role when supporting post inserts in the housing of mowing machine.
Further, the top that is positioned at described mounting hole on described Driving terminal is provided with dodges groove, screw is installed in mounting hole, screw is fixed on the housing of mowing machine through after mounting hole, the setting of dodging groove is convenient to turn screw, install more conveniently, also saved the material of Driving terminal simultaneously, reduce costs.
Further, in described support blind hole, be provided with axle sleeve, this axle sleeve is sleeved on described output shaft, and this axle sleeve can be oil-containing copper sheathing, can be also bearing, thereby make output shaft rotation smooth and easy, and cost of production is low.
The utility model when mounted, motor body is fixed on Driving terminal, magnetic switch is fixed on convex portion, then the supporting post on Driving terminal inserts in the housing of mowing machine, and by the mounting hole on the mounting bracket of Driving terminal, be fixed on the housing of mowing machine, now, breach on supporting post is relative with the flywheel of the motor of mowing machine, the end support of output shaft is in the support blind hole of supporting post, thereby guarantee that output shaft is difficult for rocking in rotation process, avoid actuation gear and flywheel damaged, and guarantee that output shaft is not easily broken and fall.
The utility model in use, first make magnetic switch energising, sucking coil in magnetic switch and Bao Weixianquan switch on simultaneously and produce electromagnetic force, thereby the electromagnetic force adhesive movable core of sucking coil is regained movable core, thereby movable core drives shift fork to rotate, thereby thereby shift fork drives actuation gear to stretch out the flywheel positively engaging with the motor of mowing machine along output shaft slippage and from breach; Simultaneously, contact member in magnetic switch moves and is connected with the wiring terminal in magnetic switch under the effect of the electromagnetic force of sucking coil, and then the power supply of connection motor body, thereby large electric current is by motor body starting electrical machinery body, motor body drives output shaft rotation, output shaft drives actuation gear to rotate, thereby actuation gear flywheel driven rotates, thereby flywheel drives engine operation; In the time of motor body energising, sucking coil is by short circuit, even if after this just make movable core keep attracting state actuation gear and flywheel to keep engagement by Bao Weixianquan.After engine start, make magnetic switch power-off, thereby the guarantor position coil blackout in magnetic switch loses electromagnetic force, movable core return under the effect of return spring, thereby and drive shift fork revolution that actuation gear and flywheel are disconnected mutually, simultaneously, contact member in magnetic switch is return disconnecting and being connected of wiring terminal under the effect of return spring also, and then the power supply of cut-out motor body, thereby disable motor body shuts down output shaft and actuation gear.
The beneficial effects of the utility model are: on motor body, set up a magnetic switch, thereby actuation gear is stablized to be stretched out, and the end support of output shaft is in the support blind hole of supporting post, make the two ends of output shaft have support, thereby guarantee that output shaft is difficult for rocking in rotation process, thereby while preventing actuation gear and flywheel engagement driving, be damaged, also guaranteed that output shaft can not break, and has extended working life; Meanwhile, the reasonable in design of Driving terminal, had both been convenient to the installation of motor body and magnetic switch, simple in structure small and exquisite again, had greatly saved the material of Driving terminal, had reduced cost of the present utility model.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the front schematic view of Driving terminal of the present utility model.
Fig. 3 is the schematic rear view of Driving terminal of the present utility model.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
With reference to Fig. 1 ~ Fig. 3, a kind of mowing machine starter motor, comprise motor body 1, on the output shaft of this motor body 1, be set with the actuation gear 2 that can slide and can rotate with this output shaft on this output shaft, also comprise that one is positioned at the place ahead of described motor body 1 and covers at the Driving terminal 3 outside described actuation gear 2, on the ear end face of described Driving terminal 3, be concaved with one day to the first cavity 4 of described motor body 1 opening, the middle part of the front-end face of described Driving terminal 3 is extended with forward supporting post 5, in this supporting post 5, offering one can be for before described actuation gear 2, the gear cavity 6 of rear movement, the rear end of this gear cavity 6 is connected with described the first cavity 4, on the lower wall of this gear cavity 6, offer and can hold the breach 7 that described actuation gear 2 parts are stretched out, the front end of this gear cavity 6 is provided with the support blind hole 8 that supports described output shaft,
The both sides of the lower end of described Driving terminal 3 are extended with mounting bracket 9 downwards, on this mounting bracket 9, offer mounting hole 10, described Driving terminal 3 is provided with at least two the first fixed holes 11 that run through from front to back, in this first fixed hole 11, be provided with and run through screw, this runs through screw and is fixed on described motor body 1 through after described the first fixed hole 11, the upper end of one side of described Driving terminal 3 has extended upward a grounded bracket 12, the upper surface of this grounded bracket 12 is plane, on the upper surface of this grounded bracket 12, offer ground connection tapped hole 13, this ground connection tapped hole 13 is for client's ground wire,
The opposite side of described Driving terminal 3 is outward extended with a convex portion 14, the magnetic switch 15 paralleling with described motor body 1 is installed on the rear end of this convex portion 14, on the ear end face of this convex portion 14, be concaved with the second cavity 16 towards magnetic switch 15 openings, between this second cavity 16 and described the first cavity 4, be communicated with ditch cavity 17, described convex portion 14 is provided with at least two the second fixed holes 18 that run through from front to back, in this second fixed hole 18, switch screw 19 is installed, this switch screw 19 is fixed in described magnetic switch 15 through after described the second fixed hole 18,
The end of the movable core of described magnetic switch 15 is placed in described the second cavity 16, in described ditch cavity 17, a shift fork is installed, one end of this shift fork is placed in described the first cavity 4 and can forward and backwardly stirs described actuation gear 2, and the other end of this shift fork is placed in described the second cavity 16 and is hinged with the end of described movable core.
The front end of described supporting post 5 is provided with taper guide portion 20, and when mounted, supporting post 5 is to be placed in the housing of mowing machine, and taper guide portion 20 plays leading role when supporting post 5 inserts in the housing of mowing machines.
The top that is positioned at described mounting hole 10 on described Driving terminal 3 is provided with dodges groove 21, in mounting hole 10, screw is installed, screw is fixed on the housing of mowing machine through after mounting hole 10, the setting of dodging groove 21 is convenient to turn screw, install more convenient, also the material of having saved Driving terminal 3, reduces costs simultaneously.
In described support blind hole 8, be provided with axle sleeve, this axle sleeve is sleeved on described output shaft, and this axle sleeve can be oil-containing copper sheathing, can be also bearing, thereby make output shaft rotation smooth and easy, and cost of production is low.
The utility model when mounted, motor body 1 is fixed on Driving terminal 3, magnetic switch 15 is fixed on convex portion 14, then the supporting post on Driving terminal 34 inserts in the housing of mowing machine, and be fixed on the housing of mowing machine by the mounting hole 10 on the mounting bracket 9 of Driving terminal 3, now, breach 7 on supporting post 5 is relative with the flywheel of the motor of mowing machine, the end support of output shaft is in the support blind hole 8 of supporting post 5, thereby guarantee that output shaft is difficult for rocking in rotation process, avoid actuation gear and flywheel damaged, and guarantee that output shaft is not easily broken and fall.
The utility model in use, first make magnetic switch 15 energisings, sucking coil in magnetic switch 15 and guarantor's position coil electricity also produce electromagnetic force, thereby the electromagnetic force adhesive movable core of sucking coil is regained movable core, thereby movable core drives shift fork to rotate, thereby thereby shift fork drives actuation gear 2 to stretch out the flywheel positively engaging with the motor of mowing machine along output shaft slippage and from breach 7; Simultaneously, contact member in magnetic switch 15 moves and is connected with the wiring terminal in magnetic switch under the effect of the electromagnetic force of sucking coil, and then the power supply of connection motor body, thereby large electric current is by motor body starting electrical machinery body 1, motor body 1 drives output shaft rotation, output shaft drives actuation gear 2 to rotate, thereby actuation gear 2 flywheel drivens rotate, thereby flywheel drives engine operation; In the time of motor body energising, sucking coil is by short circuit, even if after this just make movable core keep attracting state actuation gear and flywheel to keep engagement by Bao Weixianquan.After engine start, make magnetic switch 15 power-off, thereby the guarantor position coil blackout in magnetic switch 15 loses electromagnetic force, movable core return under the effect of return spring, thereby and drive shift fork revolution that actuation gear 2 and flywheel are disconnected mutually, simultaneously, contact member in magnetic switch 15 is return disconnecting and being connected of wiring terminal under the effect of return spring also, and then the power supply of cut-out motor body, thereby disable motor body 1 shuts down output shaft and actuation gear 2.
On motor body 1, set up a magnetic switch 15, thereby actuation gear 2 is stablized to be stretched out, and the end support of output shaft is in the support blind hole 8 of supporting post 5, make the two ends of output shaft have support, thereby guarantee that output shaft is difficult for rocking in rotation process, thereby while preventing actuation gear 2 with flywheel engagement driving, be damaged, also guaranteed that output shaft can not break, and has extended working life; Meanwhile, the reasonable in design of Driving terminal 3, had both been convenient to the installation of motor body 1 and magnetic switch 15, simple in structure small and exquisite again, had greatly saved the material of Driving terminal 3, had reduced cost of the present utility model.
Claims (4)
1. a mowing machine starter motor, comprise motor body, on the output shaft of this motor body, be set with the actuation gear that can slide and can rotate with this output shaft on this output shaft, also comprise that one is positioned at the place ahead of described motor body and covers at the Driving terminal outside described actuation gear, it is characterized in that: on the ear end face of described Driving terminal, be concaved with one day to the first cavity of described motor body opening, the middle part of the front-end face of described Driving terminal is extended with forward supporting post, in this supporting post, offering one can be for before described actuation gear, the gear cavity of rear movement, the rear end of this gear cavity is connected with described the first cavity, on the lower wall of this gear cavity, offer and can hold the breach that described actuation gear partly stretches out, the front end of this gear cavity is provided with the support blind hole that supports described output shaft,
The both sides of the lower end of described Driving terminal are extended with mounting bracket downwards, on this mounting bracket, offer mounting hole, described Driving terminal is provided with at least two the first fixed holes that run through from front to back, in this first fixed hole, be provided with and run through screw, this runs through screw and is fixed on described motor body through after described the first fixed hole, the upper end of one side of described Driving terminal has extended upward a grounded bracket, the upper surface of this grounded bracket is plane, offers ground connection tapped hole on the upper surface of this grounded bracket;
The opposite side of described Driving terminal is outward extended with a convex portion, the magnetic switch paralleling with described motor body is installed on the rear end of this convex portion, on the ear end face of this convex portion, be concaved with the second cavity towards magnetic switch opening, between this second cavity and described the first cavity, be communicated with ditch cavity, described convex portion is provided with at least two the second fixed holes that run through from front to back, in this second fixed hole, switch screw is installed, this switch screw is fixed in described magnetic switch through after described the second fixed hole;
The end of the movable core of described magnetic switch is placed in described the second cavity, in described ditch cavity, a shift fork is installed, one end of this shift fork is placed in described the first cavity and can forward and backwardly stirs described actuation gear, and the other end of this shift fork is placed in described the second cavity and is hinged with the end of described movable core.
2. according to mowing machine starter motor claimed in claim 1, it is characterized in that: the front end of described supporting post is provided with taper guide portion.
3. according to the mowing machine starter motor described in claim 1 or 2, it is characterized in that: the top that is positioned at described mounting hole on described Driving terminal is provided with dodges groove.
4. according to the mowing machine starter motor described in claim 1 or 2, it is characterized in that: in described support blind hole, be provided with axle sleeve, this axle sleeve is sleeved on described output shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320576869.1U CN203476581U (en) | 2013-09-18 | 2013-09-18 | Starter for lawn mower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320576869.1U CN203476581U (en) | 2013-09-18 | 2013-09-18 | Starter for lawn mower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203476581U true CN203476581U (en) | 2014-03-12 |
Family
ID=50224921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320576869.1U Expired - Fee Related CN203476581U (en) | 2013-09-18 | 2013-09-18 | Starter for lawn mower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203476581U (en) |
-
2013
- 2013-09-18 CN CN201320576869.1U patent/CN203476581U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140312 Termination date: 20140918 |
|
| EXPY | Termination of patent right or utility model |