CN205297813U - Idler suitable for starter - Google Patents
Idler suitable for starter Download PDFInfo
- Publication number
- CN205297813U CN205297813U CN201520990720.7U CN201520990720U CN205297813U CN 205297813 U CN205297813 U CN 205297813U CN 201520990720 U CN201520990720 U CN 201520990720U CN 205297813 U CN205297813 U CN 205297813U
- Authority
- CN
- China
- Prior art keywords
- elastic cylindrical
- cylindrical pin
- idler shaft
- starter
- cell body
- 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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Abstract
The utility model discloses an idler suitable for starter belongs to starter technical field, include the idler shaft and overlap at the epaxial front end housing of idler its characterized in that: still include the elasticity cylindric lock, it has the bar breach to open on the elasticity cylindric lock, the bar breach runs through the elasticity cylindric lock, it has the cell body to open on the idler shaft, it has spacing pinhole to open on the front end housing, the gomphosis of elasticity cylindric lock is in the cell body of idler shaft, and it is downthehole that the one end of elasticity cylindric lock is located the spacer pin, and the other end stretches out the cell body. The utility model discloses a with the gomphosis of elasticity cylindric lock in the idler shaft cell body, the starter during operation can prevent effectively that the idler shaft from rotating, avoids causing wearing and tearing to drive gear to the normal stable operation of guarantee starter.
Description
Technical field
This utility model relates to starter technical field, particularly relates to a kind of idle pulley suitable in starter.
Background technology
Starter is again motor, and the electric energy of accumulator is converted into mechanical energy by it, drives engine flywheel to rotate the startup realizing electromotor.
Starter is divided into unidirectional current starter, gas starter motor, air injection starter etc. according to operation principle. What mostly adopt on internal combustion engine is unidirectional current starter, be characterized in compact conformation, simple to operate and be easy to safeguard. Gas starter motor is a kind of miniature gasoline engine with clutch Yu gear, and power is big and is affected less by temperature, can starting large internal combustion engine, and suitable in severe cold areas. Air injection starter is divided into two classes, and one is that according to job order, compression air is squeezed into cylinder, and one is to use air motor to drive flywheel. The purposes of air injection starter, close to gas starter motor, is generally used for the starting of large combustion engines. Unidirectional current starter is made up of direct current series motor, operating mechanism and clutch. Unidirectional current starter starts electromotor, it is necessary to powerful torque, and the magnitude of current therefore passed through is very big, reaches hundreds of ampere.
Equipped with the starter of gear reduction unit between the armature shaft and driving gear of starter, it is called retarding starter. The gear reduction unit of retarding starter has external toothing formula, internal messing formula and planetary gear type etc. three kinds multi-form.
External toothing formula retarding starter, its reducing gear utilizes idle pulley to make intermediate transmission between armature shaft and starter driving gear, and electromagnetic switch iron core with drive gear concentric, push directly on driving gear and enter engagement, it is not necessary to shift fork. Therefore, the profile of starter and common starter have bigger difference. Idle pulley is the gear in the middle of two travelling gears not contacted with each other, and plays transmission effect; Meanwhile, idle pulley engages with the two gear, is used for changing the rotation direction of driven gear, so as to identical with driving gear.
Publication number is CN101968107A, and the Chinese patent literature that publication date is on 02 09th, 2011 discloses a kind of high leakproofness engine accessory gear train idler assembly, and it includes idle pulley body, mandrel and front dust cap;Idle pulley body by bearing and thereon the plastic wheel formed form; Mandrel and bearing inner race interference fit; Front dust cap covers on front side of bearing, is attached on bearing inner race by assembling idle pulley assembly to the nut on electromotor, and its front end with mandrel is at a distance of 0.12-0.3 millimeter; It is characterized in that: be additionally provided with rear dust cap, it covers on rear side of bearing, along being attached on bearing inner race by mandrel in it, remainder walks around the plastic boss of wheel at bearing outer ring place, and extend to above the reinforcement of wheel, cover bearing completely, and keep the gap of minimum 1 millimeter with bearing outer ring and wheel.
Idle pulley assembly disclosed in this patent documentation, owing to structural design is unreasonable, for starter, during starter work, the mandrel of idle pulley is susceptible to rotate, thus driving idle pulley active rotation, very easily to driving gear to cause abrasion, affect the operation of starter normal table.
Utility model content
This utility model is in order to overcome the defect of above-mentioned prior art, a kind of idle pulley suitable in starter is provided, this utility model by being entrenched in idler shaft cell body by elastic cylindrical pin, during starter work, can effectively prevent idler shaft from rotating, avoid driving gear to cause abrasion, thus ensureing the operation of starter normal table.
This utility model is achieved through the following technical solutions:
A kind of idle pulley suitable in starter, including idler shaft and the drive end bearing bracket being enclosed within idler shaft, it is characterized in that: also include elastic cylindrical pin, having bar v notch v on described elastic cylindrical pin, described bar v notch v runs through elastic cylindrical pin, and described idler shaft has cell body, described drive end bearing bracket has limit pin hole, described elastic cylindrical pin is entrenched in the cell body of idler shaft, and one end of elastic cylindrical pin is positioned at limit pin hole, and the other end stretches out cell body.
Described limit pin hole is positioned on the center axis of symmetry of drive end bearing bracket.
Described bar v notch v is embedded with the filler rod that cross section is T-shaped.
Described elastic cylindrical pin is cased with the first spacing ring and the second spacing ring, first spacing ring is positioned at the top of elastic cylindrical pin, second spacing ring is positioned at the bottom of elastic cylindrical pin, and the distance between the first spacing ring and the second spacing ring is suitable with the diameter of idler shaft.
Being connected to arc block plate on described drive end bearing bracket, arc block plate is positioned at above limit pin hole.
The beneficial effects of the utility model are mainly manifested in the following aspects:
One, this utility model, elastic cylindrical pin has bar v notch v, bar v notch v runs through elastic cylindrical pin, idler shaft has cell body, drive end bearing bracket has limit pin hole, elastic cylindrical pin is entrenched in the cell body of idler shaft, one end of elastic cylindrical pin is positioned at limit pin hole, the other end stretches out cell body, by elastic cylindrical pin being entrenched in idler shaft cell body, and one end of elastic cylindrical pin is limited in the limit pin hole of drive end bearing bracket, when starter works, elastic cylindrical pin can damping vibration, it is entrenched in cell body and the limit pin hole of idler shaft closely, thus effectively preventing idler shaft from rotating, avoid driving gear to cause abrasion, and then the operation of the long-term normal table of effective guarantee starter.
Two, this utility model, limit pin hole is positioned on the center axis of symmetry of drive end bearing bracket, it is possible to obtain better balance, it is prevented that elastic cylindrical pin vibrations are detached limit pin hole by the vibrations produced during starter work, and then can effectively prevent idler shaft from rotating.
Three, this utility model, bar v notch v is embedded with the filler rod that cross section is T-shaped, and the filler rod of " T " font can increase the chimeric tightness of elastic cylindrical pin and idler shaft cell body, thus preventing elastic cylindrical pin from coming off, is beneficial to guarantee starter stable operation.
Four, this utility model, elastic cylindrical pin is cased with the first spacing ring and the second spacing ring, first spacing ring is positioned at the top of elastic cylindrical pin, second spacing ring is positioned at the bottom of elastic cylindrical pin, distance between first spacing ring and the second spacing ring is suitable with the diameter of idler shaft, cooperation by the first spacing ring and the second spacing ring, elastic cylindrical pin can be made further firmly to be connected with idler shaft, avoid elastic cylindrical pin to skid off in the cell body of idler shaft, and then effectively prevent idler shaft from rotating further.
Five, this utility model, drive end bearing bracket is connected to arc block plate, arc block plate is positioned at above limit pin hole, utilize the elasticity of arc block plate, can not only elastic cylindrical pin be limited in limit pin hole, and elastic cylindrical pin is had barrier effect, it is possible to prevent elastic cylindrical pin from slipping in limit pin hole, ensure starter stable operation further.
Accompanying drawing explanation
Below in conjunction with specification drawings and specific embodiments, this utility model is described in further detail, wherein:
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of this utility model embodiment 3;
Fig. 3 is the sectional view of filler rod in Fig. 2;
Fig. 4 is the structural representation of this utility model embodiment 4;
Fig. 5 is the structural representation of this utility model embodiment 5;
Labelling in figure: 1, idler shaft, 2, drive end bearing bracket, 3, elastic cylindrical pin, 4, bar v notch v, 5, cell body, 6, limit pin hole, 7, filler rod, the 8, first spacing ring, the 9, second spacing ring, 10, arc block plate.
Detailed description of the invention
Embodiment 1
Referring to Fig. 1, a kind of idle pulley suitable in starter, including idler shaft 1 and the drive end bearing bracket 2 being enclosed within idler shaft 1, also include elastic cylindrical pin 3, described elastic cylindrical pin 3 has bar v notch v 4, described bar v notch v 4 runs through elastic cylindrical pin 3, having cell body 5 on described idler shaft 1, described drive end bearing bracket 2 has limit pin hole 6, described elastic cylindrical pin 3 is entrenched in the cell body 5 of idler shaft 1, one end of elastic cylindrical pin 3 is positioned at limit pin hole 6, and the other end stretches out cell body 5.
The present embodiment is most basic embodiment, elastic cylindrical pin has bar v notch v, bar v notch v runs through elastic cylindrical pin, idler shaft has cell body, drive end bearing bracket has limit pin hole, elastic cylindrical pin is entrenched in the cell body of idler shaft, one end of elastic cylindrical pin is positioned at limit pin hole, the other end stretches out cell body, by elastic cylindrical pin being entrenched in idler shaft cell body, and one end of elastic cylindrical pin is limited in the limit pin hole of drive end bearing bracket, when starter works, elastic cylindrical pin can damping vibration, it is entrenched in cell body and the limit pin hole of idler shaft closely, thus effectively preventing idler shaft from rotating, avoid driving gear to cause abrasion, and then the operation of the long-term normal table of effective guarantee starter.
Embodiment 2
Referring to Fig. 1, a kind of idle pulley suitable in starter, including idler shaft 1 and the drive end bearing bracket 2 being enclosed within idler shaft 1, also include elastic cylindrical pin 3, described elastic cylindrical pin 3 has bar v notch v 4, described bar v notch v 4 runs through elastic cylindrical pin 3, having cell body 5 on described idler shaft 1, described drive end bearing bracket 2 has limit pin hole 6, described elastic cylindrical pin 3 is entrenched in the cell body 5 of idler shaft 1, one end of elastic cylindrical pin 3 is positioned at limit pin hole 6, and the other end stretches out cell body 5.
Described limit pin hole 6 is positioned on the center axis of symmetry of drive end bearing bracket 2.
The present embodiment is a better embodiment, limit pin hole is positioned on the center axis of symmetry of drive end bearing bracket, better balance can be obtained, it is prevented that elastic cylindrical pin vibrations are detached limit pin hole by the vibrations produced during starter work, and then can effectively prevent idler shaft from rotating.
Embodiment 3
Referring to Fig. 1-Fig. 3, a kind of idle pulley suitable in starter, including idler shaft 1 and the drive end bearing bracket 2 being enclosed within idler shaft 1, also include elastic cylindrical pin 3, described elastic cylindrical pin 3 has bar v notch v 4, described bar v notch v 4 runs through elastic cylindrical pin 3, having cell body 5 on described idler shaft 1, described drive end bearing bracket 2 has limit pin hole 6, described elastic cylindrical pin 3 is entrenched in the cell body 5 of idler shaft 1, one end of elastic cylindrical pin 3 is positioned at limit pin hole 6, and the other end stretches out cell body 5.
Described limit pin hole 6 is positioned on the center axis of symmetry of drive end bearing bracket 2.
Described bar v notch v 4 is embedded with the T-shaped filler rod of cross section 7.
The present embodiment is another better embodiment, bar v notch v is embedded with the filler rod that cross section is T-shaped, the filler rod of " T " font can increase the chimeric tightness of elastic cylindrical pin and idler shaft cell body, thus preventing elastic cylindrical pin from coming off, is beneficial to guarantee starter stable operation.
Embodiment 4
Referring to Fig. 1, Fig. 3 and Fig. 4, a kind of idle pulley suitable in starter, including idler shaft 1 and the drive end bearing bracket 2 being enclosed within idler shaft 1, also include elastic cylindrical pin 3, described elastic cylindrical pin 3 has bar v notch v 4, described bar v notch v 4 runs through elastic cylindrical pin 3, having cell body 5 on described idler shaft 1, described drive end bearing bracket 2 has limit pin hole 6, described elastic cylindrical pin 3 is entrenched in the cell body 5 of idler shaft 1, one end of elastic cylindrical pin 3 is positioned at limit pin hole 6, and the other end stretches out cell body 5.
Described limit pin hole 6 is positioned on the center axis of symmetry of drive end bearing bracket 2.
Described bar v notch v 4 is embedded with the T-shaped filler rod of cross section 7.
Described elastic cylindrical pin 3 is cased with the first spacing ring 8 and the second spacing ring 9, first spacing ring 8 is positioned at the top of elastic cylindrical pin 3, second spacing ring 9 is positioned at the bottom of elastic cylindrical pin 3, and the distance between the first spacing ring 8 and the second spacing ring 9 is suitable with the diameter of idler shaft 1.
The present embodiment is another better embodiment, elastic cylindrical pin is cased with the first spacing ring and the second spacing ring, first spacing ring is positioned at the top of elastic cylindrical pin, second spacing ring is positioned at the bottom of elastic cylindrical pin, distance between first spacing ring and the second spacing ring is suitable with the diameter of idler shaft, cooperation by the first spacing ring and the second spacing ring, elastic cylindrical pin can be made further firmly to be connected with idler shaft, avoid elastic cylindrical pin to skid off in the cell body of idler shaft, and then effectively prevent idler shaft from rotating further.
Embodiment 5
Referring to Fig. 1, Fig. 3 and Fig. 5, a kind of idle pulley suitable in starter, including idler shaft 1 and the drive end bearing bracket 2 being enclosed within idler shaft 1, also include elastic cylindrical pin 3, described elastic cylindrical pin 3 has bar v notch v 4, described bar v notch v 4 runs through elastic cylindrical pin 3, having cell body 5 on described idler shaft 1, described drive end bearing bracket 2 has limit pin hole 6, described elastic cylindrical pin 3 is entrenched in the cell body 5 of idler shaft 1, one end of elastic cylindrical pin 3 is positioned at limit pin hole 6, and the other end stretches out cell body 5.
Described limit pin hole 6 is positioned on the center axis of symmetry of drive end bearing bracket 2.
Described bar v notch v 4 is embedded with the T-shaped filler rod of cross section 7.
Described elastic cylindrical pin 3 is cased with the first spacing ring 8 and the second spacing ring 9, first spacing ring 8 is positioned at the top of elastic cylindrical pin 3, second spacing ring 9 is positioned at the bottom of elastic cylindrical pin 3, and the distance between the first spacing ring 8 and the second spacing ring 9 is suitable with the diameter of idler shaft 1.
Being connected to arc block plate 10 on described drive end bearing bracket 2, arc block plate 10 is positioned at above limit pin hole 6.
The present embodiment is preferred forms, elastic cylindrical pin has bar v notch v, bar v notch v runs through elastic cylindrical pin, idler shaft has cell body, drive end bearing bracket has limit pin hole, elastic cylindrical pin is entrenched in the cell body of idler shaft, one end of elastic cylindrical pin is positioned at limit pin hole, the other end stretches out cell body, by elastic cylindrical pin being entrenched in idler shaft cell body, and one end of elastic cylindrical pin is limited in the limit pin hole of drive end bearing bracket, when starter works, elastic cylindrical pin can damping vibration, it is entrenched in cell body and the limit pin hole of idler shaft closely, thus effectively preventing idler shaft from rotating, avoid driving gear to cause abrasion, and then the operation of the long-term normal table of effective guarantee starter. drive end bearing bracket is connected to arc block plate, arc block plate is positioned at above limit pin hole, utilize the elasticity of arc block plate, can not only elastic cylindrical pin be limited in limit pin hole, and elastic cylindrical pin is had barrier effect, it is prevented from elastic cylindrical pin to slip in limit pin hole, ensures starter stable operation further.
Claims (5)
1. the idle pulley being applicable to starter, including idler shaft (1) and the drive end bearing bracket (2) that is enclosed within idler shaft (1), it is characterized in that: also include elastic cylindrical pin (3), described elastic cylindrical pin (3) has bar v notch v (4), described bar v notch v (4) runs through elastic cylindrical pin (3), described idler shaft (1) has cell body (5), described drive end bearing bracket (2) has limit pin hole (6), described elastic cylindrical pin (3) is entrenched in the cell body (5) of idler shaft (1), one end of elastic cylindrical pin (3) is positioned at limit pin hole (6), the other end stretches out cell body (5).
2. a kind of idle pulley suitable in starter according to claim 1, it is characterised in that: described limit pin hole (6) is positioned on the center axis of symmetry of drive end bearing bracket (2).
3. a kind of idle pulley suitable in starter according to claim 2, it is characterised in that: described bar v notch v (4) is embedded with the T-shaped filler rod of cross section (7).
4. a kind of idle pulley suitable in starter according to claim 3, it is characterized in that: described elastic cylindrical pin (3) is cased with the first spacing ring (8) and the second spacing ring (9), first spacing ring (8) is positioned at the top of elastic cylindrical pin (3), second spacing ring (9) is positioned at the bottom of elastic cylindrical pin (3), and the distance between the first spacing ring (8) and the second spacing ring (9) is suitable with the diameter of idler shaft (1).
5. a kind of idle pulley suitable in starter according to claim 4, it is characterised in that: being connected to arc block plate (10) on described drive end bearing bracket (2), arc block plate (10) is positioned at limit pin hole (6) top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520990720.7U CN205297813U (en) | 2015-12-03 | 2015-12-03 | Idler suitable for starter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520990720.7U CN205297813U (en) | 2015-12-03 | 2015-12-03 | Idler suitable for starter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205297813U true CN205297813U (en) | 2016-06-08 |
Family
ID=56435800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520990720.7U Expired - Fee Related CN205297813U (en) | 2015-12-03 | 2015-12-03 | Idler suitable for starter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205297813U (en) |
-
2015
- 2015-12-03 CN CN201520990720.7U patent/CN205297813U/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: 20160608 Termination date: 20191203 |