CN204436666U - A kind of one-way clutch of automobile starting motor - Google Patents
A kind of one-way clutch of automobile starting motor Download PDFInfo
- Publication number
- CN204436666U CN204436666U CN201520080040.1U CN201520080040U CN204436666U CN 204436666 U CN204436666 U CN 204436666U CN 201520080040 U CN201520080040 U CN 201520080040U CN 204436666 U CN204436666 U CN 204436666U
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- star
- wheel
- roller
- assembly department
- shift fork
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Abstract
The utility model discloses a kind of one-way clutch of automobile starting motor, comprise driving star-wheel, actuation gear and shifting fork mechanism, star-wheel is driven to comprise star-wheel assembly department and star-wheel joint, shifting fork mechanism comprises the spring cup be sheathed on respectively on star-wheel joint, Returnning spring, shift fork catch, jump ring and jump ring position limit socket, one end of spring cup is provided with annular flanging, the other end is provided with annular in-flanges, Returnning spring one end is resisted against the inwall of annular in-flanges, the other end is resisted against star-wheel assembly department, shift fork catch is resisted against the outer wall of the annular in-flanges of spring cup, shift fork circular groove is formed between the annular flanging of spring cup and shift fork catch, star-wheel joint is provided with limited ring groove away from one end of star-wheel assembly department, jump ring to be arranged in limited ring groove by jump ring position limit socket and to be resisted against one end that shift fork catch deviates from spring cup.The utility model is rational in infrastructure, accurately easy for installation, can be good at avoiding shifting fork mechanism to depart from one-way element, substantially increases usability, is conducive to increasing the service life.
Description
Technical field
The utility model relates to starter motor technical field, is specifically related to a kind of one-way clutch of automobile starting motor.
Background technique
Automobile starter is that mechanical energy is to drive engine flywheel to rotate thus to realize the machine of engine start by electric energy conversion, and one-way element is the transmission device moment of torsion that motor produces being passed to by automobile starter flywheel, can be good at playing ensureing that automobile balance is started to walk, realizes smooth-going gear shift, prevented the effects such as transmission system overload.Existing one way device for ignitor generally includes driving star-wheel, actuation gear and shifting fork mechanism, when engine shift fork stirs shifting fork mechanism, thus make driving star-wheel drive actuation gear to engage with the flywheel ring gear of motor, just the effect of starting is played when actuation gear flywheel driven rotates, and shifting fork mechanism can comprise two shift fork covers usually, Returnning spring and banking stop, two shift fork covers are connected as a single entity by welding and form shift fork space, Returnning spring can reduce the rigid impulse that one-way element is subject to, but, the accurate of installation is unfavorable for by two shift fork covers of welding, and both both scrapped when a shift fork cover damages, and due to banking stop restraint limited, the phenomenon that shifting fork mechanism easily occurs filling out banking stop and departs from one-way element after repeatedly moving for a long time, moreover, drive the structure existing defects of roller mounting groove in star-wheel, usually the job insecurity of roller in roller mounting groove can be made, the more important thing is that roller stage clip easily ejects roller mounting groove, greatly affect the usability of one-way element, make automobile storage in potential safety hazard simultaneously.
Model utility content
The technical problems to be solved in the utility model is to provide a kind of one-way clutch of automobile starting motor, and the shifting fork mechanism structure of this overrunning clutch is more reasonable, accurately easy for installation, can be good at avoiding departing from list
To the phenomenon of device, roller stage clip can be avoided simultaneously to eject the phenomenon of roller mounting groove, substantially increase usability, be conducive to increasing the service life.
In order to solve the problem existing for background technique, the utility model have employed following technological scheme: a kind of one-way clutch of automobile starting motor, comprise driving star-wheel, actuation gear and shifting fork mechanism, described driving star-wheel comprises star-wheel assembly department and star-wheel joint, described star-wheel assembly department axially middle part is provided with roller room, described roller indoor are evenly provided with some roller mounting grooves, roller and roller stage clip is provided with in described roller mounting groove, described actuation gear comprises gear meshing portions and gear assembly department, described gear assembly department is axially fixed at roller indoor and relatively rotates with roller, described shifting fork mechanism is installed on star-wheel joint, described shifting fork mechanism comprises the spring cup be sheathed on respectively on star-wheel joint, Returnning spring, shift fork catch, jump ring and jump ring position limit socket, one end of described spring cup is provided with annular flanging, the other end is provided with annular in-flanges, described Returnning spring one end is resisted against the inwall of annular in-flanges, the other end is resisted against star-wheel assembly department, described shift fork catch is resisted against the outer wall of the annular in-flanges of spring cup, shift fork circular groove is formed between the annular flanging of described spring cup and shift fork catch, described star-wheel joint is provided with limited ring groove away from one end of star-wheel assembly department, described jump ring to be arranged in limited ring groove by jump ring position limit socket and to be resisted against one end that shift fork catch deviates from spring cup.
By this setting, this one-way clutch of automobile starting motor structure is more reasonable, by the improvement to shifting fork mechanism, make it accurately easy for installation, be easy to change parts, when magnetic switch is connected, engine shift fork snaps fit onto in the shift fork circular groove between spring cup and shift fork catch, thus whole shifting fork mechanism can be stirred, force transmission is given and is driven star-wheel by shifting fork mechanism, star-wheel is driven to pass to actuation gear, to drive whole one-way element, and the setting of jump ring and jump ring position limit socket better can limit the reset of whole shifting fork mechanism, with the phenomenon avoiding whole shifting fork mechanism to depart from one-way element, substantially increase usability, be conducive to increasing the service life.
Further setting of the present utility model: described roller mounting groove comprises the first supporting surface, the first curved working face, the second curved working face and the second supporting surface that connect successively, described roller is installed on the first curved working face, the two ends of described roller stage clip press on roller and the second supporting surface respectively, described first curved working face is greater than the distance of the second curved working face to roller room axial centre to the distance of roller room axial centre, and described second supporting surface slopes inwardly away from one end of the second curved working face and forms spacing chimb.
By this setting, thus after driving star-wheel is connected with actuation gear, the work of roller in roller mounting groove is more stable, and spacing chimb can be good at the position limiting roller stage clip, roller mounting groove is ejected to avoid roller stage clip, be conducive to the usability improving one-way element, better avoid potential safety hazard simultaneously.
Further setting of the present utility model: described star-wheel joint axially middle part is provided with the driving attachment hole be connected with roller room, and the inwall of described driving attachment hole is provided with internal thread spline, and the spiral angle of described internal thread spline is set to 60 degree.
By this setting, the setting of internal thread spline can make driving star-wheel better connection with the live axle in starter motor coordinate, to make the rotation of driving star-wheel more stable, and by the spiral angle of internal thread spline is set to 60 degree, make its helical pitch short, with make driving star-wheel depart from live axle time more convenient.
Further setting of the present utility model: the length of described internal thread spline is less than the length driving attachment hole, and described internal thread spline is arranged by the opening end driving attachment hole.
By this setting, thus the live axle of starter motor can be facilitated better to be installed in driving attachment hole, improve live axle further and drive the connection degree of adaptability between star-wheel, with the rotation making live axle better drive one-way element.
Further setting of the present utility model: the arranged outside of described star-wheel assembly department has outer cover, described outer cover and star-wheel assembly department are provided with the semicircle gasket seal of two symmetries between the end face of actuation gear side.
By this setting; the setting of outer cover can play the effect of protection star-wheel assembly department; and the setting of two semicircular gasket seal can improve the sealing of roller room in star-wheel assembly department, to avoid lubricant oil to be thrown out of in one-way element rotation process, and affect usability.
Further setting of the present utility model: between described star-wheel joint and star-wheel assembly department joint outer wall on be provided with draw-in groove, one end that described Returnning spring is resisted against star-wheel assembly department is arranged in draw-in groove, and the edge of the bi-side of described star-wheel assembly department is provided with rounding.
By this setting, it is more steady when the setting of draw-in groove can make Returnning spring compress and reset, to avoid producing off normal, and play better buffer function, the setting of rounding can make outer cover be installed on star-wheel assembly department more closely, can avoid producing between the edge of star-wheel assembly department and other parts of starter motor scratching simultaneously.
Further setting of the present utility model: be provided with a wear-resistant plastic dividing plate between described spring cup and shift fork catch, described wear-resistant plastic dividing plate is identical with the size of shift fork catch and overlap.
By this setting, the setting of wear-resistant plastic dividing plate can be good at avoiding spring cup and shift fork catch mutually to wear and tear, and is conducive to the shift fork validity keeping shifting fork mechanism, can extends its working life simultaneously.
Further setting of the present utility model: the inner diameter size of described spring cup reduces to the one end near annular in-flanges gradually by near one end of annular flanging.
By this setting, thus Returnning spring can be made more easily to extend into be resisted against the inwall of annular in-flanges in spring cup, mutually scratch when Returnning spring and spring cup can be avoided to install simultaneously.
The beneficial effects of the utility model are: the structure of one-way clutch of automobile starting motor of the present utility model is more reasonable, shifting fork mechanism is by improving, install accurately more convenient, can be good at the phenomenon of avoiding departing from one-way element, the roller mounting groove of roller indoor is improved simultaneously, roller stage clip can be avoided to eject the phenomenon of roller mounting groove, substantially increase usability, be conducive to increasing the service life.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of one-way clutch of automobile starting motor of the present utility model;
Fig. 2 is the schematic diagram of the driving star-wheel of a kind of one-way clutch of automobile starting motor of the present utility model.
Embodiment
In order to make content of the present utility model more clear, below in conjunction with embodiment, the utility model is described in further detail.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
As Fig. 1, shown in Fig. 2, a kind of one-way clutch of automobile starting motor of the utility model embodiment, comprise and drive star-wheel 1, actuation gear 2 and shifting fork mechanism 3, star-wheel 1 is driven to comprise star-wheel assembly department 11 and star-wheel joint 12, star-wheel assembly department 11 axially middle part is provided with roller room 111, some roller mounting grooves 112 are evenly provided with in roller room 111, roller 4 and roller stage clip 5 is provided with in roller mounting groove 112, actuation gear 2 comprises gear meshing portions 21 and gear assembly department 22, gear assembly department 22 to be axially fixed in roller room 111 and to relatively rotate with roller 4, shifting fork mechanism 3 is installed on star-wheel joint 12, wherein, shifting fork mechanism 3 comprises the spring cup 31 be sheathed on respectively on star-wheel joint 12, Returnning spring 32, shift fork catch 33, jump ring 34 and jump ring position limit socket 35, one end of spring cup 31 is provided with annular flanging 311, the other end is provided with annular in-flanges 312, Returnning spring 32 one end is resisted against the inwall of annular in-flanges 312, the other end is resisted against star-wheel assembly department 11, shift fork catch 33 is resisted against the outer wall of the annular in-flanges 312 of spring cup 31, shift fork circular groove 36 is formed between the annular flanging 311 of spring cup 31 and shift fork catch 33, star-wheel joint 12 is provided with limited ring groove 121 away from one end of star-wheel assembly department 11, jump ring 34 to be arranged in limited ring groove 121 by jump ring position limit socket 35 and to be resisted against one end that shift fork catch 33 deviates from spring cup 31, this one-way clutch of automobile starting motor structure is more reasonable, by the improvement to shifting fork mechanism 3, make it accurately easy for installation, be easy to change parts, when magnetic switch is connected, engine shift fork snaps fit onto in the shift fork circular groove 36 between spring cup 31 and shift fork catch 33, thus whole shifting fork mechanism 3 can be stirred, force transmission is given and is driven star-wheel 1 by shifting fork mechanism 3, drive star-wheel 1 will pass to actuation gear 2, to drive whole one-way element, the setting of jump ring 34 and jump ring position limit socket 35 better can limit the reset of whole shifting fork mechanism 3, the phenomenon of one-way element is departed to avoid whole shifting fork mechanism 3, substantially increase usability, be conducive to increasing the service life.
In the present embodiment, roller mounting groove 112 comprises the first supporting surface 1121 connected successively, first curved working face 1122, second curved working face 1123 and the second supporting surface 1124, roller 4 is installed on the first curved working face 1122, the two ends of roller stage clip 5 press on roller 4 and the second supporting surface 1124 respectively, wherein, first curved working face 1122 is greater than the distance of the second curved working face 1123 to roller room 111 axial centre to the distance of roller room 111 axial centre, second supporting surface 1124 slopes inwardly away from one end of the second curved working face 1123 and forms spacing chimb 6, thus after driving star-wheel 1 is connected with actuation gear 2, the work of roller 4 in roller mounting groove 112 is more stable, and spacing chimb 6 can be good at the position limiting roller stage clip 5, roller mounting groove 112 is ejected to avoid roller stage clip 5, be conducive to the usability improving one-way element, better avoid potential safety hazard simultaneously.
In the present embodiment, star-wheel joint 12 axially middle part is provided with the driving attachment hole 122 be connected with roller room 111, drive on the inwall of attachment hole 122 and be provided with internal thread spline 123, and the spiral angle of internal thread spline 123 is set to 60 degree, the setting of internal thread spline 123 can make driving star-wheel 1 better connection with the live axle in starter motor coordinate, to make the rotation of driving star-wheel 1 more stable, and by the spiral angle of internal thread spline 123 is set to 60 degree, make its helical pitch short, more convenient when departing from live axle to make driving star-wheel 1.
In the present embodiment, the length of internal thread spline 123 is less than the length driving attachment hole 122, and internal thread spline 123 is arranged by driving the opening end of attachment hole 122, thus the live axle of starter motor can be facilitated better to be installed in driving attachment hole 122, connection degree of adaptability between further raising live axle and driving star-wheel 1, with the rotation making live axle better drive one-way element.
In the present embodiment; the arranged outside of star-wheel assembly department 11 has outer cover 7; outer cover 7 and star-wheel assembly department 11 are provided with the semicircle gasket seal 8 of two symmetries between the end face of actuation gear 2 side; the setting of outer cover 7 can play the effect of protection star-wheel assembly department 11; and the setting of two semicircular gasket seal 8 can improve the sealing of roller room 111 in star-wheel assembly department 11; to avoid lubricant oil to be thrown out of in one-way element rotation process, and affect usability.
In the present embodiment, between star-wheel joint 12 and star-wheel assembly department 11 joint outer wall on be provided with draw-in groove 113, one end that Returnning spring 32 is resisted against star-wheel assembly department 11 is arranged in draw-in groove 113, the edge of the bi-side of star-wheel assembly department 11 is provided with rounding 114, it is more steady when the setting of draw-in groove 113 can make Returnning spring 32 compress and reset, to avoid producing off normal, and play better buffer function, the setting of rounding 114 can make outer cover 7 be installed on star-wheel assembly department 11 more closely, can avoid producing between the edge of star-wheel assembly department 11 and other parts of starter motor scratching simultaneously.
In the present embodiment, a wear-resistant plastic dividing plate 37 is provided with between spring cup 31 and shift fork catch 33, wear-resistant plastic dividing plate 37 is identical with the size of shift fork catch 33 and overlap, the setting of wear-resistant plastic dividing plate 37 can be good at avoiding spring cup 31 and shift fork catch 33 mutually to wear and tear, be conducive to the shift fork validity keeping shifting fork mechanism 3, its working life can be extended simultaneously.
In the present embodiment, the inner diameter size of spring cup 31 reduces to the one end near annular in-flanges 312 gradually by near one end of annular flanging 311, thus Returnning spring 32 can be made more easily to extend into be resisted against the inwall of annular in-flanges 312 in spring cup 31, mutually scratch when Returnning spring 32 and spring cup 31 can be avoided to install simultaneously.
Claims (8)
1. an one-way clutch of automobile starting motor, comprise driving star-wheel, actuation gear and shifting fork mechanism, described driving star-wheel comprises star-wheel assembly department and star-wheel joint, described star-wheel assembly department axially middle part is provided with roller room, described roller indoor are evenly provided with some roller mounting grooves, roller and roller stage clip is provided with in described roller mounting groove, described actuation gear comprises gear meshing portions and gear assembly department, described gear assembly department is axially fixed at roller indoor and relatively rotates with roller, described shifting fork mechanism is installed on star-wheel joint, it is characterized in that: described shifting fork mechanism comprises the spring cup be sheathed on respectively on star-wheel joint, Returnning spring, shift fork catch, jump ring and jump ring position limit socket, one end of described spring cup is provided with annular flanging, the other end is provided with annular in-flanges, described Returnning spring one end is resisted against the inwall of annular in-flanges, the other end is resisted against star-wheel assembly department, described shift fork catch is resisted against the outer wall of the annular in-flanges of spring cup, shift fork circular groove is formed between the annular flanging of described spring cup and shift fork catch, described star-wheel joint is provided with limited ring groove away from one end of star-wheel assembly department, described jump ring to be arranged in limited ring groove by jump ring position limit socket and to be resisted against one end that shift fork catch deviates from spring cup.
2. a kind of one-way clutch of automobile starting motor according to claim 1, it is characterized in that: described roller mounting groove comprises the first supporting surface connected successively, first curved working face, second curved working face and the second supporting surface, described roller is installed on the first curved working face, the two ends of described roller stage clip press on roller and the second supporting surface respectively, described first curved working face is greater than the distance of the second curved working face to roller room axial centre to the distance of roller room axial centre, described second supporting surface slopes inwardly away from one end of the second curved working face and forms spacing chimb.
3. a kind of one-way clutch of automobile starting motor according to claim 1, it is characterized in that: described star-wheel joint axially middle part is provided with the driving attachment hole be connected with roller room, the inwall of described driving attachment hole is provided with internal thread spline, and the spiral angle of described internal thread spline is set to 66 degree.
4. a kind of one-way clutch of automobile starting motor according to claim 3, is characterized in that: the length of described internal thread spline is less than the length driving attachment hole, and described internal thread spline is arranged by the opening end driving attachment hole.
5. a kind of one-way clutch of automobile starting motor according to claim 1, it is characterized in that: the arranged outside of described star-wheel assembly department has outer cover, described outer cover and star-wheel assembly department are provided with the semicircle gasket seal of two symmetries between the end face of actuation gear side.
6. a kind of one-way clutch of automobile starting motor according to claim 1, it is characterized in that: between described star-wheel joint and star-wheel assembly department joint outer wall on be provided with draw-in groove, one end that described Returnning spring is resisted against star-wheel assembly department is arranged in draw-in groove, and the edge of the bi-side of described star-wheel assembly department is provided with rounding.
7. a kind of one-way clutch of automobile starting motor according to claim 1, is characterized in that: be provided with a wear-resistant plastic dividing plate between described spring cup and shift fork catch, and described wear-resistant plastic dividing plate is identical with the size of shift fork catch and overlap.
8. a kind of one-way clutch of automobile starting motor according to claim 1, is characterized in that: the inner diameter size of described spring cup reduces to the one end near annular in-flanges gradually by near one end of annular flanging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520080040.1U CN204436666U (en) | 2015-02-05 | 2015-02-05 | A kind of one-way clutch of automobile starting motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520080040.1U CN204436666U (en) | 2015-02-05 | 2015-02-05 | A kind of one-way clutch of automobile starting motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204436666U true CN204436666U (en) | 2015-07-01 |
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ID=53604540
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520080040.1U Expired - Fee Related CN204436666U (en) | 2015-02-05 | 2015-02-05 | A kind of one-way clutch of automobile starting motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204436666U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104653378A (en) * | 2015-02-05 | 2015-05-27 | 瑞安市万江汽车零部件有限公司 | One-way clutch of automobile engine |
| CN108979330A (en) * | 2018-07-12 | 2018-12-11 | 浙江伊牟科技有限公司 | clutch structure and fingerprint lock |
-
2015
- 2015-02-05 CN CN201520080040.1U patent/CN204436666U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104653378A (en) * | 2015-02-05 | 2015-05-27 | 瑞安市万江汽车零部件有限公司 | One-way clutch of automobile engine |
| CN104653378B (en) * | 2015-02-05 | 2017-10-31 | 瑞安市万江汽车零部件有限公司 | A kind of one-way clutch of automobile starting motor |
| CN108979330A (en) * | 2018-07-12 | 2018-12-11 | 浙江伊牟科技有限公司 | clutch structure and fingerprint lock |
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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: 20150701 Termination date: 20160205 |