CN207538960U - A kind of non-reversing device for starting - Google Patents
A kind of non-reversing device for starting Download PDFInfo
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- CN207538960U CN207538960U CN201721432486.1U CN201721432486U CN207538960U CN 207538960 U CN207538960 U CN 207538960U CN 201721432486 U CN201721432486 U CN 201721432486U CN 207538960 U CN207538960 U CN 207538960U
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Abstract
The utility model provides a kind of non-reversing device for starting, belong to technical field of automobile accessories, including gear, shell, roller and pocket-wheel, gear is mounted on through roller in the centre bore of pocket-wheel one end, shell is set on pocket-wheel, shell and pocket-wheel are equipped with retainer ring and trim ring successively between the side of gear, the end of retainer ring and trim ring is equipped with axial cross section as step-like step locating ring, and shell is equipped with and the matched positioning protrusion ring of step locating ring, and the side of retainer ring is equipped with zigzag positioning groove, shell is equipped with and the matched zigzag positioning protrusion of zigzag positioning groove, the utility model is simple in structure, it is easy for installation, it can not only realize and facilitate positioning during assembling, and sealing effect is more preferable.
Description
Technical field
The utility model belongs to technical field of automobile accessories, and in particular to a kind of non-reversing device for starting.
Background technology
Starter is a key components and parts on automobile, is that the electric energy of accumulator is converted into mechanical energy to drive to start
Machine flywheel rotates the machine so as to fulfill engine start, and non-reversing device for starting is to produce motor on automobile starter
Torque pass to the transmission device of flywheel.Different starters has a different isolators, common isolator have roller,
Four kinds of friction disk type, spring and ratchet-type.Existing roller type one way device is mainly by gear, pocket-wheel, retainer ring, roller etc. zero
Component is formed, and suitable grease is usually coated at roller and plays lubricating action.But gear is high during the operating of existing isolator
Speed rotation, grease are easily thrown away with high-speed rotation, cause the grease in roller thinning, starter reduced performance；And gear
When high speed rotation, gear easily drives retainer ring to rotate, and leads to roller, flat spring and retainer ring friction, causes roller wear, flat
Spring fails, and easily generates skidding, causes automobile that can not start, and goes down to seriously affect the service life of isolator for a long time and using effect
Fruit.
A kind of non-reversing device for starting (notification number CN202228243U) of patent includes outer cover, geared parts and star
Wheel, geared parts include gear and the output shaft being connect with gear, and pocket-wheel is axially arranged with ladder left large and right small
Hole, the geared parts and pocket-wheel axial limiting and can circumferentially rotating are connect, the output shaft inner end and pocket-wheel macropore
Between multiple rollers and flat spring cooperation rotation are installed, the aperture inner face of the pocket-wheel radially extends to form a baffle ring.Energy
To pocket-wheel aperture inner end sealing, it is dust-proof and slow down grease overflow while and more compact structure, reduce production cost, still
Due to the high speed rotation of gear, gear easily drives retainer ring to rotate, and leads to roller, flat spring and retainer ring friction, cause roller wear,
Flat spring fails, and easily generates skidding, causes automobile that can not start, go down to seriously affect service life and the use of isolator for a long time
Effect.
Therefore it is simple in structure to be badly in need of one kind, it is easy for installation, it can not only realize and facilitate positioning during assembling, and sealing effect is more
Good non-reversing device for starting.
Utility model content
The purpose of this utility model is to provide a kind of non-reversing device for starting, simple in structure, easy for installation, not only can be with
Facilitate positioning, and sealing effect is more preferable when realizing assembling.
The utility model provides following technical solution：
A kind of non-reversing device for starting, including gear, shell, roller and pocket-wheel, gear is mounted on star through roller
In the centre bore for taking turns one end, shell is set on pocket-wheel, and shell and pocket-wheel are equipped with card successively between the side of gear
The end of circle and trim ring, retainer ring and trim ring is equipped with axial cross section as step-like step locating ring, and shell is equipped with and platform
The matched positioning protrusion ring of rank locating ring, and the side of retainer ring is equipped with zigzag positioning groove, shell is equipped with and zigzag
The matched zigzag positioning protrusion of positioning groove.
Preferably, the sealing element that axial cross section is L-shaped, one end of sealing element and institute are equipped between trim ring and retainer ring and gear
It states trim ring integration to be connected, the inner ring abutting of retainer ring is fastened on the right angle of sealing element, so as to enhance trim ring and gear, star
Sealing between shape wheel, so as to avoid in high speed rotation, the loss of grease.
Preferably, sealing element is the sealing element that axial cross section made of rubber material is L-shaped, can enhance sealing effect.
Preferably, a seal washer is equipped between step locating ring and each matched step of positioning protrusion ring,
So as to enhance sealing effect.
The beneficial effects of the utility model are：It is step-like by the way that the end set of retainer ring and trim ring is had axial cross section
Step locating ring, and step locating ring is matched into engaging with the positioning protrusion ring of shell, so as to not only so that shell, retainer ring,
Positioning when being assembled between trim ring is more accurate, and can also increase contact area therebetween, so as to enhance the card between it
Leakproofness is closed, and zigzag and the zigzag Dong Wei grooves and zigzag convex that are mutually clamped are set between shell and retainer ring
Rise so that the fixation between shell and retainer ring is even closer, and can cause retainer ring, trim ring, shell and pocket-wheel it
Between the relatively-stationary stability of holding it is more preferable.
Description of the drawings
Attached drawing is used to provide a further understanding of the present invention, and a part for constitution instruction, with this practicality
Novel embodiment for explaining the utility model, does not form the limitation to the utility model together.In the accompanying drawings：
Fig. 1 is the structure sectional view of the utility model；
Fig. 2 is the partial enlarged view of part A in Fig. 1；
Label in figure：1 is step locating ring, and 2 be positioning protrusion ring, and 3 be zigzag positioning groove, and 4 determine for zigzag
Position protrusion, 5 be sealing element, and 6 be seal washer, and 10 be gear, and 20 be shell, and 30 be roller, and 40 be pocket-wheel, and 50 be retainer ring,
60 be trim ring.
Specific embodiment
With reference to a kind of Fig. 1 to non-reversing device for starting shown in Fig. 2, in the present embodiment, including gear 10, shell
20th, roller 30 and pocket-wheel 40, gear 10 are mounted on through roller 30 in the centre bore of 40 one end of pocket-wheel, and shell 20 is set in star
On shape wheel 40, shell 20 and pocket-wheel 40 are equipped with retainer ring 50 and trim ring 60,50 He of retainer ring successively between the side of gear 10
The end of trim ring 60 is equipped with axial cross section as step-like step locating ring 1, and shell 20 is equipped with and 1 phase of step locating ring
The positioning protrusion ring 2 of cooperation, and the side of retainer ring 50 is equipped with zigzag positioning groove 3, shell 20 is equipped with to be positioned with zigzag
3 matched zigzag positioning protrusion 4 of groove is equipped with axial cross section as the close of L-shaped between trim ring 60 and retainer ring 50 and gear 10
Sealing 5, one end of sealing element 5 is integrated with trim ring 60 to be connected, and the inner ring abutting of retainer ring 50 is fastened on the right angle of sealing element 5,
So as to enhance the sealing between trim ring and gear, pocket-wheel, so as to avoid in high speed rotation, the loss of grease, sealing
Part 5 be rubber material made of axial cross section be L-shaped sealing element, each of step locating ring 1 and positioning protrusion ring 2 match
Step between be equipped with a seal washer 6.
The operation principle of the utility model:Pass through the mutual card between zigzag positioning groove 3 and zigzag positioning protrusion 4
It closes and fixes, and coordinate being mutually clamped for step locating ring 1 and positioning protrusion ring 2, so that in retainer ring 50, trim ring 60, shell
20 and pocket-wheel 40 in high speed rotation, can not only so that the stability of mutual remains stationary is more preferable, and cause phase
Better tightness between mutually, so as to prevent the leakage of grease.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, although ginseng
The utility model is described in detail according to previous embodiment, it for those skilled in the art, still can be with
It modifies to the technical solution recorded in foregoing embodiments or equivalent replacement is carried out to which part technical characteristic.It is all
Within the spirit and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in this practicality
Within novel protection domain.
Claims (4)
1. a kind of non-reversing device for starting, including gear, shell, roller and pocket-wheel, the gear is installed through the roller
In the centre bore of described pocket-wheel one end, the shell is set on the pocket-wheel, and the shell is leaned on the pocket-wheel
It is equipped with retainer ring and trim ring successively between the side of the nearly gear, which is characterized in that the end of the retainer ring and the trim ring is equal
It is step-like step locating ring equipped with axial cross section, and the shell is equipped with and the matched positioning of step locating ring
Protruding ring, and the side of the retainer ring is equipped with zigzag positioning groove, the shell is equipped with and the zigzag positioning groove
Matched zigzag positioning protrusion.
2. a kind of non-reversing device for starting according to claim 1, which is characterized in that the trim ring and the retainer ring with
The sealing element that axial cross section is L-shaped is equipped between the gear, one end of the sealing element is integrated with the trim ring to be connected, institute
The inner ring abutting for stating retainer ring is fastened on the right angle that the sealing element axial cross section is L-type.
3. a kind of non-reversing device for starting according to claim 2, which is characterized in that the sealing element is rubber material
Manufactured axial cross section is the sealing element of L-shaped.
4. a kind of non-reversing device for starting according to claim 1, which is characterized in that the step locating ring with it is described
A seal washer is equipped between each matched step of positioning protrusion ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721432486.1U CN207538960U (en) | 2017-10-31 | 2017-10-31 | A kind of non-reversing device for starting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721432486.1U CN207538960U (en) | 2017-10-31 | 2017-10-31 | A kind of non-reversing device for starting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207538960U true CN207538960U (en) | 2018-06-26 |
Family
ID=62611733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721432486.1U Active CN207538960U (en) | 2017-10-31 | 2017-10-31 | A kind of non-reversing device for starting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207538960U (en) |
-
2017
- 2017-10-31 CN CN201721432486.1U patent/CN207538960U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |