CN203925856U - Start-stop motor front end cover seal arrangement - Google Patents
Start-stop motor front end cover seal arrangement Download PDFInfo
- Publication number
- CN203925856U CN203925856U CN201420338408.5U CN201420338408U CN203925856U CN 203925856 U CN203925856 U CN 203925856U CN 201420338408 U CN201420338408 U CN 201420338408U CN 203925856 U CN203925856 U CN 203925856U
- Authority
- CN
- China
- Prior art keywords
- live axle
- taper bush
- described driving
- driving lid
- lid
- 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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- Sealing Of Bearings (AREA)
Abstract
The utility model relates to starter motor technical field, relates in particular to start-stop motor front end cover seal arrangement.Described driving lid left end is provided with step; In described driving lid, be provided with needle bearing, this needle bearing left end sealing, and the boss of the outwardly formation of closed end is corresponding with step position; Described driving lid right-hand member is provided with annular groove, and this annular groove cross section is tapered; On described live axle, be arranged with taper bush, this taper bush inwall is provided with the draw-in groove with its coaxial line; Between described live axle and draw-in groove, be provided with " O " RunddichtringO; Described taper bush cross section is tapered, and taper bush is arranged with conical seal ring outward; Realize start and stop motor and can prevent from driving and cover leakage of oil, strengthen live axle working life, reduce lubricant oil and waste.
Description
Technical field
The utility model relates to starter motor technical field, relates in particular to start-stop motor front end cover seal arrangement.
Background technique
Starter motor, for electric energy is transformed into mechanical energy, drives crankshaft rotating, pilots engine.Starter motor is by magnetic switch, contact, battery terminal, movable contact, front cover, brush spring “A”, commutator, brush, casing, magnetic pole, armature, magnetic field winding, guide ring, thrust ring, overrunning clutch, armature shaft, actuation gear, driving mechanism, brake disc, engage spring, shift fork, moving core, Returnning spring, the component compositions such as magnetic switch; Wherein front cover is connected with live axle, for supporting other component.
But also there is following shortcoming in starting machine front end cover at present: 1) because driving lid and the gap, joint, live axle two ends of front cover below are larger, lubricant oil easily flows out from gap, finally cause live axle low working life, 2) there is no Fuel Tanking Unit owing to driving in lid, easily cause the waste of lubricant oil, 3) drive lid and live axle joint easily to produce wearing and tearing, and drive the manufacture cost of lid higher.
Model utility content
The purpose of this utility model is to provide one and prevents from driving and cover leakage of oil, strengthens live axle working life, reduces the start-stop motor front end cover seal arrangement that lubricant oil is wasted.
The technical solution of the utility model is as follows:
Start-stop motor front end cover seal arrangement, comprises front cover body; Described front cover comprises the switch cover that is positioned at front cover top, and is positioned at the driving lid of front cover below; In described driving lid, rotating live axle is installed; Described driving lid left end is provided with step; In described driving lid, be provided with needle bearing, this needle bearing left end sealing, and the boss of the outwardly formation of closed end is corresponding with step position; Described driving lid right-hand member is provided with annular groove, and this annular groove cross section is tapered; On described live axle, be arranged with taper bush, this taper bush inwall is provided with the draw-in groove with its coaxial line; Between described live axle and draw-in groove, be provided with " O " RunddichtringO; Described taper bush cross section is tapered, and taper bush is arranged with conical seal ring outward.
Described driving lid adopts aluminium alloy ingots material.Aluminium alloy ingots material is taking fine aluminium and reclaims aluminium as raw material, strengthened and driven the intensity of lid, and reduced manufacture cost.
Described driving lid left end is provided with spacing back-up ring.Further needle bearing is fixed on and drives in lid by spacing back-up ring.
The beneficial effects of the utility model are: driving is covered left end and sealed by needle bearing, and driving is covered right-hand member and sealed by the taper bush, the conical seal ring that are set on live axle; Cover two ends and all seal owing to driving, can effectively prevent that lubricant oil from covering two ends outflow from driving; Can also prevent that the foreign matters such as outside dust from covering two ends from driving and entering in driving lid, thereby cause live axle to get rusty, the problems such as Starter internal short-circuit; Because the boss of the outwardly formation of needle bearing closed end is corresponding with step position; Not only convenient needle bearing is arranged on and is driven in lid, and the outwardly boss inside of closed end can deposit lubricant oil, avoid the waste of lubricant oil.
Brief description of the drawings
By the detailed description below in conjunction with accompanying drawing, the utility model is aforesaid will be become apparent with other object, feature and advantage.
Wherein: Fig. 1 is the utility model the first mode of execution structural representation;
Fig. 2 is the utility model the first mode of execution I portion enlarged view;
Fig. 3 is the utility model the second mode of execution I portion enlarged view;
Fig. 4 is the third mode of execution of the utility model I portion enlarged view;
In accompanying drawing, 1 for driving lid, and 2 is rear end cover, 3 is housing, and 4 is switch cover, and 5 is front cover, 7 is live axle, and 8 is step, and 9 is needle bearing, 10 is boss, and 11 is annular groove, and 12 is taper bush, 13 is draw-in groove, and 14 is " O " RunddichtringO, and 15 is conical seal ring, 16 is spacing back-up ring, and 17 is annular groove, and 18 is elastic washer.
Embodiment
Shown in Fig. 1-Fig. 2, start-stop motor front end cover seal arrangement, comprises front cover body; Described front cover comprises the switch cover 4 that is positioned at front cover top, and is positioned at the driving lid 1 of front cover below; In described driving lid 1, be provided with rotating live axle 7 (described drive shaft axle is arranged in starter motor driving mechanism, the engaging-in flywheel ring gear of small gear when engine start on live axle, by the transmission of torque of starter motor to engine crankshaft; After engine start, can make again starter pinion and flywheel ring gear automatically throw off); Described driving is covered 7 left ends and is provided with step 8; In described driving lid, be provided with needle bearing 9, this needle bearing left end sealing, and the boss 10 of the outwardly formation of closed end is corresponding with step 9 positions; Described driving is covered 1 right-hand member and is provided with annular groove 11, and this annular groove cross section is tapered; On described live axle, be arranged with taper bush 12, these taper bush 12 inwalls are provided with the draw-in groove coaxial with it 13; Between described live axle and draw-in groove 13, be provided with " O " RunddichtringO 14; Described taper bush cross section is tapered, and taper bush is arranged with conical seal ring outward.
In covering by driving, be provided with drawn cup needle roller bearing, this drawn cup needle roller bearing left end sealing, realizes the sealing of needle bearing left end, thereby ensures that lubricant oil cannot cover left end outflow from driving; Can also prevent that the foreign matters such as outside dust from entering and driving in lid from needle bearing left end, and cause live axle to get rusty, the problems such as Starter internal short-circuit.Wherein drive between lid and live axle and realized and being connected by needle bearing, and the friction factor of rolling bearing is less than sliding bearing, transmission efficiency is high; And each needle roller is independent in a lining, even if there is one, two needle roller to damage, other needle roller still can continue to use, and driving is covered be not easy wearing and tearing between live axle, has also increased the working life that drives lid and live axle; Again because the boss of the outwardly formation of needle bearing closed end is corresponding with step position; Not only convenient needle bearing is arranged on and is driven in lid, and the outwardly boss inside of closed end can deposit lubricant oil, avoid the waste of lubricant oil.Cover right-hand member by driving and be provided with annular groove; On described live axle, be arranged with taper bush, realize and drive the sealing of covering right-hand member, in order to ensure that lubricant oil cannot cover right-hand member outflow from driving, and prevent that the foreign matters such as outside dust from entering and driving in lid from right-hand member; Wherein in taper bush, be provided with draw-in groove; Between described live axle and draw-in groove, be provided with " O " RunddichtringO, increase the frictional force between taper bush and live axle, indirectly increase join strength, can also avoid flowing out the gap of lubricant oil between taper bush and live axle; Further because described taper bush cross section is tapered, and taper bush is arranged with conical seal ring outward, can effectively prevent taper bush wearing and tearing after long-time use, and cause sealability to weaken.
Because front cover manufacture cost is higher, for the problems referred to above, preferred, described driving lid 1 adopts aluminium alloy ingots material.Because aluminium alloy ingots material is taking fine aluminium and reclaims aluminium as raw material, add other elements according to international standard or particular/special requirement, as: silicon (Si), copper (Cu), magnesium (Mg), iron (Fe), improve fine aluminium in castability, chemistry and the physical redeployed alloy of deficiency; Not only strengthen and driven the intensity of lid, and reduced manufacture cost.
Due to the step that driving covers, long-time use after wearing and tearing, the easy landing of needle bearing; For the problems referred to above, the utility model the second mode of execution, shown in Figure 3; Described driving lid left end is provided with spacing back-up ring 16.Further needle bearing is fixed on and drives in lid by spacing back-up ring.
After the long-time wearing and tearing of conical seal ring, easily cause sealing effect malfunctioning; For the problems referred to above, the third mode of execution of the utility model, shown in Figure 4, described conical seal ring offers at least one annular groove 17 coaxial with conical seal ring outward, is provided with elastic washer 18 in this annular groove; By elastic washer is set, elastic washer is worn and torn prior to elastic washer, increase the working life of conical seal ring.
The utility model is not limited to described embodiment; those skilled in the art is not departing from spirit of the present utility model openly in scope; still can do some corrections or change, therefore the scope that rights protection scope of the present utility model limits with claims is as the criterion.
Claims (3)
1. start-stop motor front end cover seal arrangement, comprises front cover body; Described front cover comprises the switch cover that is positioned at front cover top, and is positioned at the driving lid of front cover below; In described driving lid, live axle is installed; It is characterized in that, described driving lid left end is provided with step; In described driving lid, be provided with needle bearing, this needle bearing left end sealing, and the boss of the outwardly formation of closed end is corresponding with step position; Described driving lid right-hand member is provided with annular groove, and this annular groove cross section is tapered; On described live axle, be arranged with taper bush, this taper bush inwall is provided with the draw-in groove with its coaxial line; Between described live axle and draw-in groove, be provided with " O " RunddichtringO; Described taper bush cross section is tapered, and taper bush is arranged with conical seal ring outward.
2. start-stop motor front end cover seal arrangement according to claim 1, is characterized in that, described driving lid adopts aluminium alloy ingots material.
3. start-stop motor front end cover seal arrangement according to claim 1, is characterized in that, described driving lid left end is provided with spacing back-up ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420338408.5U CN203925856U (en) | 2014-06-23 | 2014-06-23 | Start-stop motor front end cover seal arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420338408.5U CN203925856U (en) | 2014-06-23 | 2014-06-23 | Start-stop motor front end cover seal arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203925856U true CN203925856U (en) | 2014-11-05 |
Family
ID=51821677
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420338408.5U Expired - Fee Related CN203925856U (en) | 2014-06-23 | 2014-06-23 | Start-stop motor front end cover seal arrangement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203925856U (en) |
-
2014
- 2014-06-23 CN CN201420338408.5U patent/CN203925856U/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: 20141105 Termination date: 20170623 |