CN205779412U - A kind of starter one-way element for automobile - Google Patents
A kind of starter one-way element for automobile Download PDFInfo
- Publication number
- CN205779412U CN205779412U CN201620682113.9U CN201620682113U CN205779412U CN 205779412 U CN205779412 U CN 205779412U CN 201620682113 U CN201620682113 U CN 201620682113U CN 205779412 U CN205779412 U CN 205779412U
- Authority
- CN
- China
- Prior art keywords
- stopper slot
- axle portion
- little
- starter
- spring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Gears, Cams (AREA)
Abstract
A kind of starter one-way element for automobile, including Step Shaft, the little gear being set with on Step Shaft, apical tooth spring and the elastic spring for spacing little gear；Described Step Shaft includes big axle portion, little axle portion, and big axle portion is provided with the installing hole being connected with planet carrier, little axle portion is provided with interior half stopper slot；It is stepped hole in the middle part of described little gear, coordinates the aperture portion of assembling including macropore portion with little axle portion；Apical tooth spring is placed in macropore portion, and apical tooth spring one end offsets bottom macropore portion, and the apical tooth spring other end offsets with big axle portion；End, aperture portion is provided with the outer half stopper slot corresponding with interior half stopper slot；Described elastic spring is placed in the complete stopper slot of interior half stopper slot, outer half stopper slot composition.This utility model eliminates the spacing collar that general starter uses, and directly uses elastic spring, makes the apical tooth of starter disconnect away from increasing more than 2mm, can be prevented effectively from the little gear of one way device for ignitor and collapse tooth fault.
Description
Technical field
This utility model relates to a kind of starter one-way element for automobile.
Background technology
In prior art, automobile slowdown type starter clutch gear engages with engine flywheel gear ring, is by electricity
Magnetic switch switching electricity controls.Whole engagement process is:
Guan Bi on and off switch, solenoid winding energising produces electromagnetic attraction makes iron core move, and drives shift fork to rotate, dials
Isolator and little gear is driven to move axially outward when fork rotates, after little gear with engine flywheel gear ring end contact,
The electric current being entered starter stator and rotor by switch coil makes rotor low speed rotation, and makes little gear the most right with flywheel ring gear
Starting engagement after standard, after being engaged to certain length L1, electromagnetic switch main contacts is connected, and switch coil is shorted, and big electric current is straight
Tapping into and start inside starter to drive engine rotation, the least gear is increased up further with flywheel ring gear length of action
Maximum L2.
Wherein, before electromagnetic switch main contacts is just switched on, when the length of action of little gear and flywheel ring gear is L1, the least
Gear face is defined as to distance S2 of ring flange installed surface: apical tooth disconnect away from.
If starter apical tooth is disconnected away from S2 less than normal, it is meant that when electromagnetic switch main contacts is connected, i.e. movable contact with
During the gap S1=0 of stationary contact, gear length of action L1 is less than normal, and the loading moment of electromotor is bigger.If now switched
Main contacts is connected, and starter is delivered to the loading moment of electromotor and is all applied on a bit of tooth of geared end, gear end
Portion easily causes collapse tooth fault because bearing the biggest load.Therefore, starter apical tooth need to be improved as far as possible to disconnect
Away from S2, before electromagnetic switch main contacts is connected, make gear length of action L1 increase, be prevented effectively from and collapse tooth fault.
Summary of the invention
This utility model purpose is that improving starter apical tooth disconnects distance, so that gear length of action L1 increases,
Little gear is avoided to collapse tooth fault.
The technical solution of the utility model is: include Step Shaft, the little gear that is set with on Step Shaft, apical tooth spring
With the elastic spring for spacing little gear；Described Step Shaft includes big axle portion, little axle portion, and big axle portion is provided with and is connected with planet carrier
Installing hole, little axle portion be provided with interior half stopper slot；It is stepped hole in the middle part of described little gear, joins with little axle portion including macropore portion
Attach together the aperture portion joined；Apical tooth spring is placed in macropore portion, and apical tooth spring one end offsets bottom macropore portion, apical tooth spring another
End offsets with big axle portion；End, aperture portion is provided with the outer half stopper slot corresponding with interior half stopper slot；Described elastic spring is placed in
In the complete stopper slot that interior half stopper slot, outer half stopper slot form.
Chamfering inside described outer half stopper slot, it is simple to it is spacing that elastic spring slips into little axle portion under assembly force effect smoothly
Groove.
Described little axle portion end-beveling, it is simple to the special tooling of assembling elastic spring docks in this, and special tool is equipped with necessarily
Tapering, elastic spring draws close along special tapering frock toward little axle portion under assembling pressure effect and internal diameter is stretched, gradually by
It is set on little axle.
Described little axle portion includes spline position, optical axis position.Apical tooth spring is loaded on optical axis position, does not interferes with apical tooth spring
Compression campaign back and forth.
This utility model is mainly used in car deceleration formula without nose formula starter, relates to a kind of starter one-way element for automobile
The position limiting structure mode of gearhead.The factor affecting length of action has: be designed with being out of the line of about 2mm at electromagnetic switch contact
Journey, has the power-off gap of about 3mm at shift fork two ends, and the spacing collar at little gear must leave the fit-up gap etc. of 3mm, cause
Gear length of action L1 only accounts for about the 50% of total length of action.This utility model can position on isolator in a straightforward manner
Little gear, specially this utility model by cancel starter spacing collar, directly use elastic spring structure, reduction steel wire
Back-up ring fit-up gap more than 2mm, thus starter apical tooth is disconnected away from increasing more than 2mm, is prevented effectively from starter unidirectional
Device gear collapses tooth fault.In this utility model designs one on isolator Step Shaft, half stopper slot is used for assembling steel wire gear
Circle, little bore is designed with the chamfering of certain angle and facilitates elastic spring to load.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of Step Shaft.
Fig. 3 is the structural representation of little gear.
Detailed description of the invention
In Fig. 1, this utility model includes Step Shaft 1, little gear 3, apical tooth spring 2 and the use being set with on Step Shaft
Elastic spring 4 in spacing little gear.Step Shaft 1 includes big axle portion, little axle portion, and big axle portion is provided with the installation being connected with planet carrier
Hole, little axle portion are provided with interior half stopper slot 6.It is stepped hole in the middle part of little gear 3, coordinates assembling with little axle portion including macropore portion
Aperture portion.Apical tooth spring 2 is placed in macropore portion, and apical tooth spring 2 one end offsets bottom macropore portion, apical tooth spring 2 other end with
Big axle portion offsets.End, aperture portion is provided with the outer half stopper slot 8 corresponding with interior half stopper slot.In elastic spring 4 is placed in, half limits
In the complete stopper slot that position groove 6, outer half stopper slot 8 form.This utility model directly uses the starter of elastic spring 4 structure,
Cancel spacing collar, use elastic spring 4.In little gear 3, bore ends increase chamfering facilitates elastic spring 4 to assemble, and increases at chamfering
Adding counterbore (i.e. outer half stopper slot), counter bore hole diameters is slightly larger than the external diameter of elastic spring 4, and the degree of depth of counterbore is 1mm.
During assembling, Step Shaft 1 first fills apical tooth spring 2, overlap little gear 3, then with special tooling by elastic spring 4
Install on Step Shaft 1 after footpath support is big, finally press little gear 3 to move backward, expose the stopper slot on Step Shaft 1, by elastic spring 4
Push stopper slot.After unclamping little gear 3, little gear 3 is moved along under the elastic force effect of apical tooth spring 2, counterbore step
The half of elastic spring can be covered, prevent elastic spring from deviating from.Assembling gap F only has 1mm, more originally fills the dress of spacing collar
Join the little 2mm in gap, thus indirectly make apical tooth disconnect away from increasing 2mm.Assembling, dismounting elastic spring are both needed to special frock folder
Tool.After this utility model is implemented, starter apical tooth is disconnected away from increasing 2mm.
In Fig. 2,6 is Step Shaft stopper slot.
In Fig. 3,7 is the chamfered section of outer half stopper slot, and 8 is outer half stopper slot.
Claims (4)
1. a starter one-way element for automobile, it is characterised in that: including Step Shaft (1), be set with on Step Shaft is little
Gear (3), apical tooth spring (2) and the elastic spring (4) for spacing little gear；
Described Step Shaft (1) includes big axle portion, little axle portion, and big axle portion is provided with in the installing hole being connected with planet carrier, little axle portion and sets
There is interior half stopper slot (6)；
Described little gear (3) middle part is stepped hole, coordinates the aperture portion of assembling with little axle portion including macropore portion；Apical tooth spring (2)
Being placed in macropore portion, apical tooth spring (2) one end offsets bottom macropore portion, and apical tooth spring (2) other end offsets with big axle portion；Little
End, hole portion is provided with the outer half stopper slot (8) corresponding with interior half stopper slot；
In the complete stopper slot that described elastic spring (4) is placed in interior half stopper slot (6), outer half stopper slot (8) forms.
Starter one-way element for automobile the most according to claim 1, it is characterised in that: described outer half stopper slot (8) inner side
Chamfering.
Starter one-way element for automobile the most according to claim 1, it is characterised in that: described little axle portion end-beveling.
Starter one-way element for automobile the most according to claim 1, it is characterised in that: described little axle portion includes spline part
Position, optical axis position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620682113.9U CN205779412U (en) | 2016-07-01 | 2016-07-01 | A kind of starter one-way element for automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620682113.9U CN205779412U (en) | 2016-07-01 | 2016-07-01 | A kind of starter one-way element for automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205779412U true CN205779412U (en) | 2016-12-07 |
Family
ID=58125622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620682113.9U Expired - Fee Related CN205779412U (en) | 2016-07-01 | 2016-07-01 | A kind of starter one-way element for automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205779412U (en) |
-
2016
- 2016-07-01 CN CN201620682113.9U patent/CN205779412U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161207 Termination date: 20200701 |