CN200996348Y - Starter for vehicle - Google Patents
Starter for vehicle Download PDFInfo
- Publication number
- CN200996348Y CN200996348Y CN 200720002683 CN200720002683U CN200996348Y CN 200996348 Y CN200996348 Y CN 200996348Y CN 200720002683 CN200720002683 CN 200720002683 CN 200720002683 U CN200720002683 U CN 200720002683U CN 200996348 Y CN200996348 Y CN 200996348Y
- Authority
- CN
- China
- Prior art keywords
- live axle
- magnetic switch
- push rod
- direct current
- starter
- 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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- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
An automobile starter, including a shell, a front cover of starter, a driving shaft and a direct current motor, is characterized in that the starter also includes a push-rod type magnetic switch and a ratchet type one-way clutch, the front end of driving shaft is provided with a spiral spline; the ratchet type one-way clutch is provided in the front end of driving shaft, the push-rod type magnetic switch is provided in the middle section of driving shaft, and the back end of driving shaft is connected with the driving shaft of direct current motor.
Description
Technical field
The utility model relates to mechanical transmission, particularly a kind of automobile starter.
Background technique
Present motor car engine all is to start in advance and work by starter motor, and starter motor mainly comprises direct current motor, magnetic switch and overrunning clutch.The magnetic switch task: the one, the instruction of sending according to ignition switch promotes overrunning clutch along the driving axial front slide, and with the big trochal disc engagement of motor, the 2nd, be switched on or switched off the power supply that connects direct current motor.The task of one-way clutch: the one, the big trochal disc of the transmission of power of direct current motor to motor, the 2nd, after motor was launched, direct current motor was passed in the power backspace of blocking-up motor.
Present existing magnetic switch is the cymbals fork structure, must release the big trochal disc engagement of overrunning clutch and motor during this kind arrangement works earlier, connects the power supply of direct current motor afterwards again; Otherwise can occur beating tooth, this just requires the closing time of switch must lag behind the time that overrunning clutch is pushed out; The time of switch on the apical tooth phenomenon can occur when too lagging behind.The relative harsh control accuracy with requirement of the reverse linking mechanism of obvious this complexity causes starter motor work to be free in normal and abnormal threshold state.
Existing overrunning clutch roughly is divided into roller type, torsional spring type and friction disk type, and wherein roller type is suitable malfunctioning, the torsional spring type volume too big and be in from state the time poor effect, but friction chip superior performance volume is big, structure is very complicated, costs an arm and a leg.Starter motor of the prior art in a word exists complex structure, problem that rate of fault is high.
Summary of the invention
The purpose of this utility model is the defective at above-mentioned prior art, and a kind of have simple structure, reasonable in design, superior performance and the low a kind of automobile starter of cost are provided.
The technological scheme taked of the utility model is to achieve these goals:
A kind of starter motor, comprise housing, starting machine front end cover, live axle and direct current motor, also comprise push rod magnetic switch and Ratcheting one-way clutch, the front end of described live axle is provided with helical spline, described Ratcheting one-way clutch runs through the front end that is arranged on described live axle, described push rod magnetic switch runs through the stage casing that is arranged on described live axle, and the rear end of described live axle links to each other with the live axle of described direct current motor.
Described Ratcheting one-way clutch comprises that inside contains the unidirectional drive wheel of helical spline and be installed in the actuation gear of unidirectional drive wheel front end, the helical spline of described unidirectional drive wheel and described live axle helical spline match, and are respectively equipped with left ratchet and right ratchet on the junction plane of described unidirectional drive wheel and actuation gear.
Described push rod magnetic switch comprises the magnetic switch shell and is located at the electromagnetic coil and the armature of magnetic switch enclosure, described armature is parallel to described live axle, the one end stretches into the magnetic switch enclosure, the other end is fixed on the interior supporting plate of starting machine front end cover, described magnetic switch enclosure is near interval on the circumferential surface of live axle, be laid with a plurality of switch return push rod and buffering push rods that contain spring, the front end of described damper push rod is provided with the overrunning clutch push rod, and described push rod magnetic switch is provided with movable contact near an end of described direct current motor, be provided with the fixed contact that matches with it in the corresponding described starter motor.
Described live axle helical spline front end is provided with the jump ring groove, is provided with clutch retraction springs between described jump ring groove and the described axle shaft gear.
The beneficial effects of the utility model are: the starter motor compared to existing technology, the utility model has adopted and has comprised housing, starting machine front end cover, live axle and direct current motor, also comprise push rod magnetic switch and Ratcheting one-way clutch, the front end of described live axle is provided with helical spline, described Ratcheting one-way clutch runs through the front end that is arranged on described live axle, described push rod magnetic switch runs through the stage casing that is arranged on described live axle, the structure that the rear end of described live axle links to each other with the live axle of described direct current motor, can efficiently solve and get the high problem of starter motor complex structure rate of fault in the prior art, therefore have simple structure, reasonable in design, superior performance, and the advantage that cost is low.
Description of drawings
The utility model is described in further detail below in conjunction with the drawings and specific embodiments, but not as to qualification of the present utility model.
Fig. 1 is the structure diagram of a kind of automobile starter of the utility model.
Among the figure: 1 housing, 2 direct current motors, 3 push rod magnetic switchs, 4 fixed contacts, 5 starting machine front end covers, 6 Ratcheting one-way clutch, 7 live axles, 8 supporting plates, 31 magnetic switch shells, 32 electromagnetic coils, 33 armature, 34 switch return push rods, 35 springs, 36 damper push rods, 37 movable contacts, 38 overrunning clutch push rods, 61 unidirectional drive wheels, 62 actuation gears, 71 helical splines, 72 jump ring grooves, 73 clutch retraction springs.
Embodiment
A kind of starter motor as shown in Figure 1, comprise housing 1, starting machine front end cover 5, live axle 7 and direct current motor 2, also comprise push rod magnetic switch 3 and Ratcheting one-way clutch 6, the front end of described live axle 7 is provided with helical spline 71, described Ratcheting one-way clutch 6 runs through the front end that is arranged on described live axle 7, described push rod magnetic switch 3 runs through the stage casing that is arranged on described live axle 7, and the rear end of described live axle 7 links to each other with the live axle 7 of described direct current motor 2.
Described Ratcheting one-way clutch 6 comprises that inside contains the unidirectional drive wheel 61 of helical spline and be installed in the actuation gear 62 of unidirectional drive wheel 61 front ends, the helical spline of described unidirectional drive wheel 61 and described live axle 7 helical splines 71 match, and are respectively equipped with left ratchet and right ratchet on the junction plane of described unidirectional drive wheel 61 and actuation gear 62.
Described push rod magnetic switch 3 comprises magnetic switch shell 31 and is located at the electromagnetic coil 32 and the armature 33 of magnetic switch shell 31 inside, described armature 33 is parallel to described live axle 7, its 33 1 end stretches into magnetic switch shell 31 inside, the other end is fixed on the supporting plate 8 in the starting machine front end cover 5, interval on the described magnetic switch shell 31 inner close circumferential surfacies of live axle 7, be laid with a plurality of switch return push rod 34 and buffering push rods 36 that contain spring 35, the front end of described damper push rod 36 is provided with overrunning clutch push rod 38, and described push rod magnetic switch 3 is provided with movable contact 37 near an end of described direct current motor 2, be provided with the fixed contact 4 that matches with it in the corresponding described starter motor.
Described live axle 7 helical splines 71 front ends are provided with jump ring groove 72, are provided with clutch retraction springs 73 between described jump ring groove 72 and described live axle 7 gears.
Working principle of the present utility model: when the twisting ignition lock key door starts up the car, electromagnetic coil 32 is connected power supply, making magnetic switch shell 31 and armature 33 produce magnetic attracts each other, push rod magnetic switch 3 is under the effect of magnetic force, overcome the elastic force effect of spring 35, overrunning clutch push rod 38 and Ratcheting one-way clutch 6 and movable contact 37 are moved to the right, Ratcheting one-way clutch 6 is pushed out the big trochal disc engagement with motor, movable contact 37 and fixed contact 4 are closed thereupon simultaneously, direct current motor 2 is connected power supply and is begun to rotate, and power passes to motor by direct current motor 2 rotors through live axle 7 and Ratcheting one-way clutch 6.During the situation that can't mesh if take place the tooth of the tooth of actuation gear 62 of Ratcheting one-way clutch 6 and motor big trochal disc to clash mutually therebetween, Ratcheting one-way clutch 6 and overrunning clutch push rod 38, damper push rod 36 are out of service, this moment, magnetic switch shell 31 was by pressure spring 35, drive movable contact 37 and continue operation to the right, until with fixed contact 4 closures, make direct current motor 2 connect power supply and begin to rotate, continue to finish starting to work of motor.Because the state that the work of the left and right ratchet of Ratcheting one-way clutch 6 " closes " in order to it is passed to motor with the power of direct current motor 2, after motor is started, powerful power is given the actuation gear of starter motor through the big trochal disc anti-pass, because the effect of the left and right ratchet of overrunning clutch, again with it " from " state, blocked the destruction that the power of motor might cause starter motor.
Unclamp the ignition switch key door after the motor proper functioning, electromagnetic coil 32 outage magnetic force disappear, magnetic switch shell 31 is under the acting in conjunction of switch return push rod 34 and spring 35 elastic force, drive movable contact 37 and be moved to the left also return, direct current motor 2 outages stop operating, damper push rod 36 and Ratcheting one-way clutch 6 are also retracted the position in the effect bottom left of clutch retraction springs 73 simultaneously, for starting is next time prepared.
This shows, the utility model can efficiently solve in the prior art the high problem of starter motor complex structure rate of fault, therefore have simple structure, reasonable in design, superior performance and the low advantage of cost.
Above-described embodiment, the utility model embodiment a kind of more preferably just, the common variation that those skilled in the art carries out in the technical solutions of the utility model scope and replacing all should be included in the protection domain of the present utility model.
Claims (4)
1. automobile starter, comprise housing, starting machine front end cover, live axle and direct current motor, it is characterized in that: also comprise push rod magnetic switch and Ratcheting one-way clutch, the front end of described live axle is provided with helical spline, described Ratcheting one-way clutch runs through the front end that is arranged on described live axle, described push rod magnetic switch runs through the stage casing that is arranged on described live axle, and the rear end of described live axle links to each other with the live axle of described direct current motor.
2. by the described a kind of automobile starter of claim 1, it is characterized in that: described Ratcheting one-way clutch comprises that inside contains the unidirectional drive wheel of helical spline and be installed in the actuation gear of unidirectional drive wheel front end, the helical spline of described unidirectional drive wheel and described live axle helical spline match, and are respectively equipped with left ratchet and right ratchet on the junction plane of described unidirectional drive wheel and actuation gear.
3. by the described a kind of automobile starter of claim 2, it is characterized in that: described push rod magnetic switch comprises the magnetic switch shell and is located at the electromagnetic coil and the armature of magnetic switch enclosure, described armature is parallel to described live axle, the one end stretches into the magnetic switch enclosure, the other end is fixed on the interior supporting plate of starting machine front end cover, described magnetic switch enclosure is near interval on the circumferential surface of live axle, be laid with a plurality of switch return push rod and buffering push rods that contain spring, the front end of described damper push rod is provided with the overrunning clutch push rod, and described magnetic switch is provided with movable contact near an end of described direct current motor, be provided with the fixed contact that matches with it in the corresponding described starter motor.
4. by claim 2 or 3 described a kind of automobile starters, it is characterized in that: described live axle helical spline front end is provided with the jump ring groove, is provided with clutch retraction springs between described jump ring groove and the described axle shaft gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200720002683 CN200996348Y (en) | 2007-01-26 | 2007-01-26 | Starter for vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200720002683 CN200996348Y (en) | 2007-01-26 | 2007-01-26 | Starter for vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200996348Y true CN200996348Y (en) | 2007-12-26 |
Family
ID=38994778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200720002683 Expired - Fee Related CN200996348Y (en) | 2007-01-26 | 2007-01-26 | Starter for vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200996348Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101881248A (en) * | 2010-06-28 | 2010-11-10 | 贺富军 | Novel non-magnetic switch starting engine |
| CN102019538A (en) * | 2010-11-01 | 2011-04-20 | 金云康 | Method for manufacturing housing of automobile starter |
-
2007
- 2007-01-26 CN CN 200720002683 patent/CN200996348Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101881248A (en) * | 2010-06-28 | 2010-11-10 | 贺富军 | Novel non-magnetic switch starting engine |
| CN101881248B (en) * | 2010-06-28 | 2011-12-28 | 贺富军 | Novel non-magnetic switch starting engine |
| CN102019538A (en) * | 2010-11-01 | 2011-04-20 | 金云康 | Method for manufacturing housing of automobile starter |
| CN102019538B (en) * | 2010-11-01 | 2012-02-22 | 金云康 | Method for manufacturing housing of automobile starter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: CO-PATENTEE TO: PANG YUQIANG ^ |
|
| CU01 | Correction of utility model patent |
Correction item: Co-patentee Correct: Pang Yuqiang Number: 52 Page: The title page Volume: 23 |
|
| CU03 | Correction of utility model patent gazette |
Correction item: Co-patentee Correct: Pang Yuqiang Number: 52 Volume: 23 |
|
| ERR | Gazette correction |
Free format text: CORRECT: CO-PATENTEE; FROM: NONE ^ TO: PANG YUQIANG ^ |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071226 Termination date: 20120126 |