CN212958922U - Transmission system of electric starter - Google Patents
Transmission system of electric starter Download PDFInfo
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- CN212958922U CN212958922U CN202021436709.3U CN202021436709U CN212958922U CN 212958922 U CN212958922 U CN 212958922U CN 202021436709 U CN202021436709 U CN 202021436709U CN 212958922 U CN212958922 U CN 212958922U
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Abstract
The utility model provides a transmission system of electric starter, aim at solving among the prior art and have the comparatively complicated problem of electric starter transmission system structure of the equipment of electric start and manual start concurrently. The transmission system comprises an electric transmission assembly and a manual transmission assembly; the electric transmission assembly comprises a driving gear, a driven gear and a driven transmission shaft; the driven gear is meshed with the driving gear and is connected with the driven transmission shaft through a one-way bearing; the manual transmission assembly comprises a pull rope, a winding wheel, a one-way driving device and a resetting device; the pull rope is wound on the reel, the reel drives the driven transmission shaft through the one-way driving device, and the reset device is connected with the reel and used for resetting the reel; the pull rope drives the unidirectional driving device to drive the unidirectional rotation direction of the driven transmission shaft through the reel, and the unidirectional rotation direction of the driven transmission shaft driven by the driven gear through the unidirectional bearing is the same as the unidirectional rotation direction of the driven transmission shaft driven by the driven gear through the unidirectional bearing. The structure of the device is simplified, so that the device is more compact in overall structure and more suitable for miniaturized equipment.
Description
Technical Field
The disclosure belongs to the technical field of electric starters, and particularly relates to a transmission system of an electric starter.
Background
Many small machines, such as lawn mowers, are currently operated with either a single manual actuation or a single electrical actuation. The single manual starting is adopted, so that the operation is inconvenient; the single electric starting is adopted, and if the electric quantity is insufficient or the power supply is damaged after long-time use, the electric energy cannot be used. In addition, some devices are electrically and manually integrated at intervals, but the electric starter transmission system of the electrically and manually integrated device is complicated in structure.
SUMMERY OF THE UTILITY MODEL
The utility model provides a transmission system of electric starter, aim at solving among the prior art and have the comparatively complicated problem of electric starter transmission system structure of the equipment of electric start and manual start concurrently.
In order to solve the technical problem, the technical scheme adopted by the disclosure is as follows: a transmission system of an electric starter comprises an electric transmission assembly and a manual transmission assembly; the electric transmission assembly comprises a driving gear, a driven gear and a driven transmission shaft; the driven gear is meshed with the driving gear, and the driven gear is connected with the driven transmission shaft through a one-way bearing; the manual transmission assembly comprises a pull rope, a winding wheel, a one-way driving device and a resetting device; the pull rope is wound on the reel, the reel drives the driven transmission shaft through the one-way driving device, and the reset device is connected with the reel and used for resetting the reel; the pull rope drives the unidirectional driving device to drive the unidirectional rotation direction of the driven transmission shaft through the reel, and the unidirectional rotation direction of the driven transmission shaft driven by the driven gear through the unidirectional bearing is the same as the unidirectional rotation direction of the driven transmission shaft driven by the driven gear through the unidirectional bearing.
The further improved scheme is as follows: the unidirectional driving device is a ratchet wheel and pawl assembly, and the ratchet wheel and pawl assembly comprises a pawl arranged on the reel and a ratchet wheel fixed on the driven transmission shaft; the reel drives the ratchet wheel to drive the driven transmission shaft to rotate in a single direction through the pawl. When the pawl rotates in the positive direction, the ratchet wheel is driven to rotate in the positive direction, and the driven transmission shaft is driven to rotate in the positive direction by the ratchet wheel; when the pawl rotates reversely, the ratchet wheel cannot be driven to rotate.
The further improved scheme is as follows: the resetting device is a volute spiral spring with one end connected with the reel and the other end connected to the electric starter shell. After the reel is pulled through the pull rope, the reel can be reset through the volute spiral spring, and the pull rope is wound on the reel again.
The further improved scheme is as follows: the reset device and the one-way driving device are respectively arranged in the mounting grooves of the two end faces of the reel.
The further improved scheme is as follows: and a handle is arranged at the outer end part of the pull rope.
The further improved scheme is as follows: and the output end of the driven transmission shaft is provided with a buffer pusher dog assembly.
The further improved scheme is as follows: the buffer pusher dog assembly comprises a base fixed on the driven transmission shaft and a pusher dog rotationally connected with the base, and an elastic part used for buffering relative rotation between the pusher dog and the base is arranged between the pusher dog and the base.
The further improved scheme is as follows: the shifting claw comprises a base plate, the outer end face of the base plate is provided with meshing teeth, the inner end face of the base plate is provided with a shifting piece, a buffer groove is formed in the seat body, and the elastic piece is arranged in the buffer groove and located between the shifting piece and the seat body; the center of the seat body is provided with a rotating shaft, and the substrate is rotatably arranged on the rotating shaft.
The further improved scheme is as follows: the elastic piece is a compression spring, at least two buffer grooves are formed in the seat body through a ring groove and a partition plate, a compression spring and a shifting piece are arranged in each buffer groove, the front end of each compression spring is connected with the shifting piece, and the rear end of each compression spring is connected with the partition plate.
The further improved scheme is as follows: the elastic piece is volute spiral spring, is equipped with the installation cavity in the pedestal, and volute spiral spring sets up in the installation cavity, and volute spiral spring's one end links to each other and the other end links to each other with the pusher dog with the pedestal.
The further improved scheme is as follows: the pusher dog includes the base plate, and the outer terminal surface of base plate is equipped with the interlock tooth, and the inner terminal surface center of base plate is equipped with the sleeve pipe, the center of installation cavity is equipped with the pivot, and the sleeve pipe rotates to cup joint on the pivot, the outer end of volute spiral spring links to each other with the inner wall of installation cavity, the inner of volute spiral spring links to each other with the sleeve pipe on the base plate.
The beneficial effect of this disclosure does:
the transmission system of the electric starter in the disclosure comprises an electric transmission assembly and a manual transmission assembly, and can be started by electricity or manually when no electricity exists or the electric starter meets other conditions.
The electric transmission assembly comprises a driving gear, a driven gear and a driven transmission shaft; the driven gear is meshed with the driving gear, and the driven gear is connected with the driven transmission shaft through a one-way bearing; the driving gear drives the driven gear, then the driven transmission shaft is driven to rotate in sequence, and power is output through the driven transmission shaft, so that electric starting can be realized.
The manual transmission assembly comprises a pull rope, a winding wheel, a one-way driving device and a resetting device; the pull rope is wound on the reel, the reel drives the driven transmission shaft through the one-way driving device, and the reset device is connected with the reel and used for resetting the reel; the manual pulling stay cord, the stay cord drives the reel rotation, and the reel passes through one-way drive device drive driven transmission shaft rotation, through driven transmission shaft with power take off, can realize manual start.
The pull rope drives the unidirectional driving device to drive the unidirectional rotation direction of the driven transmission shaft through the reel, and the unidirectional rotation direction of the driven transmission shaft driven by the driven gear through the unidirectional bearing is the same as the unidirectional rotation direction of the driven transmission shaft driven by the driven gear through the unidirectional bearing; like this when driven gear passes through one-way bearing and drives driven transmission shaft rotatory, driven transmission shaft can not be backward to drive the reel rotation through one-way drive arrangement, when same line wheel passes through one-way drive arrangement drive driven transmission shaft rotatory, driven transmission shaft can not be backward to drive driven gear rotatory through one-way bearing, alright in order to make the public driven transmission shaft of electric drive assembly and manual drive assembly, the structure is simplified, weight has been reduced and make overall structure compacter, more be fit for miniaturized equipment.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present disclosure, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present disclosure and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings may be obtained from the drawings without inventive effort.
Fig. 1 is a schematic diagram of a rear view of an electric starter.
Fig. 2 is a schematic diagram of the front-side view of the electric starter with the front cover removed.
Fig. 3 is a schematic diagram of a rear side view of the electric starter with the rear end cap removed.
FIG. 4 is a schematic diagram of the rear view of the transmission system.
FIG. 5 is a schematic diagram of the front side view of the transmission system.
Fig. 6 is a schematic diagram of the structure of the electric drive assembly.
Fig. 7 is a schematic diagram of the front view of the manual transmission assembly.
Fig. 8 is a schematic diagram of a rear view of the manual transmission assembly.
FIG. 9 is a schematic view of the front view of the bumper finger assembly.
Fig. 10 is a schematic structural view from the front side of the pusher dog.
Fig. 11 is a schematic structural diagram of a front side view of the seat body in the first scheme.
Fig. 12 is a schematic structural view from the rear side of the pusher dog in the first embodiment.
Fig. 13 is a schematic structural diagram of a front side view of the seat body in the second scheme.
Fig. 14 is a structural diagram of a rear view of the finger in the second embodiment.
The reference numbers in the figures illustrate:
11-a drive gear; 12-a driven gear; 13-a driven transmission shaft; 14-one-way bearings; 21-a reel; 22-a volute spiral spring; 23-a pull rope; 24-a handle; 25-a pawl; 26-a ratchet wheel; 3-a buffer pusher dog assembly; 31-a seat body; 311-a buffer tank; 312-a separator; 313-a rotating shaft; 32-a pusher dog; 321-engaging teeth; 322-a substrate; 323-plectrum; 324-a central hole; 33-bolts; 34-a compression spring; 4-driving the motor; 5-rear end cap.
Detailed Description
The technical solution in the embodiments of the present disclosure will be clearly and completely described below with reference to the drawings in the embodiments of the present disclosure. It should be understood that the specific embodiments described herein are merely illustrative of the disclosure and are not intended to limit the disclosure. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the disclosure without inventive step, are within the scope of the disclosure.
Referring to fig. 1 to 8, a transmission system of an electric starter includes an electric transmission assembly and a manual transmission assembly; the electric transmission assembly comprises a driving gear 11, a driven gear 12 and a driven transmission shaft 13; the driven gear 12 is meshed with the driving gear 11, and the driven gear 12 is connected with the driven transmission shaft 13 through a one-way bearing 14; the manual transmission assembly comprises a pull rope 23, a reel 21, a one-way driving device and a resetting device; the pull rope 23 is wound on the reel 21, the reel 21 drives the driven transmission shaft 13 through a one-way driving device, and the resetting device is connected with the reel 21 and is used for resetting the reel 21; the one-way rotation direction of the pull rope 23 driving the driven transmission shaft 13 through the one-way driving device driven by the reel 21 is the same as the one-way rotation direction of the driven transmission shaft 13 driven by the driven gear 12 through the one-way bearing 14.
On the basis of the above scheme, the one-way driving device is within the scope of the present disclosure as long as the one-way driving device can realize one-way driving, and as a modified scheme, referring to fig. 6, the one-way driving device is a ratchet 26 and pawl 25 assembly, the ratchet 26 and pawl 25 assembly comprises a pawl 25 arranged on the reel 21 and a ratchet 26 fixed on the driven transmission shaft 13; the reel 21 drives the ratchet 26 to rotate the driven transmission shaft 13 in a unidirectional way through the pawl 25. When the pawl 25 rotates in the positive direction, the ratchet wheel 26 is driven to rotate in the positive direction, and the ratchet wheel 26 drives the driven transmission shaft 13 to rotate in the positive direction; when the pawl 25 rotates in the reverse direction, the ratchet 26 cannot be rotated.
In addition to the above-mentioned solutions, as long as the resetting device can achieve the resetting function of the reel 21, the present disclosure is within the scope of a modified solution, and referring to fig. 1, fig. 3, fig. 4, fig. 7 and fig. 8, in any of the above-mentioned solutions, the resetting device is a volute spring 22 having one end connected to the reel 21 and the other end connected to the electric starter housing (specifically, the rear end cap 5 of the electric starter). After the reel 21 is pulled by the pull rope 23, the reel 21 can be reset by the scroll spring 22, and the pull rope 23 is wound on the reel 21 again.
Referring to fig. 7 and 8, in addition to any of the above solutions, the return device and the one-way driving device are respectively disposed in the mounting grooves of the two end surfaces of the reel 21.
Referring to fig. 7 and 8, on the basis of any of the above solutions, a handle 24 is provided at the outer end of the pulling rope 23.
Referring to fig. 2 and 9, on the basis of any of the above solutions, the output end of the driven transmission shaft 13 is provided with a buffer pusher dog assembly 3. Specifically, the buffering pusher dog assembly 3 includes a seat body 31 fixed on the driven transmission shaft 13 and a pusher dog 32 rotatably connected to the seat body 31, and an elastic member for buffering relative rotation between the pusher dog 32 and the seat body 31 is disposed between the pusher dog 32 and the seat body 31.
Referring to fig. 9 to 12, on the basis of any of the above solutions, the finger 32 includes a base plate 322, an outer end surface of the base plate 322 is provided with engaging teeth 321, an inner end surface of the base plate 322 is provided with a finger 323, the seat body 31 is provided with a buffer slot 311, and the elastic element is disposed in the buffer slot 311 and located between the finger 323 and the seat body 31; a rotating shaft 313 is arranged in the center of the seat body 31, the substrate 322 is rotatably arranged on the rotating shaft 313, and the rotating shaft 313 penetrates through a central hole 324 of the substrate 322; the base plate 322 is limited on the seat body 31 by the bolt 33,
on the basis of any of the above solutions, it is within the scope of the present disclosure that the elastic member can realize the relative rotation between the buffer finger 32 and the seat body 31. Referring to fig. 11, as a first modified solution, the elastic element is a compression spring 34, the seat body 31 is divided into at least two buffer slots 311 by an annular groove through a partition 312, each buffer slot 311 is provided with a compression spring 34 and a shifting plate 323, the front end of each compression spring 34 is connected with the shifting plate 323, and the rear end is connected with the partition 312. Referring to fig. 9, 10, 13 and 14, another modified second scheme: the elastic element is a spiral spring 36, a mounting cavity is arranged in the seat body 31, the spiral spring 36 is arranged in the mounting cavity, one end of the spiral spring 36 is connected with the seat body 31, and the other end of the spiral spring is connected with the pusher dog 32. Specifically, the pusher dog 32 includes a base plate 322, an outer end surface of the base plate 322 is provided with a meshing tooth 321, an inner end surface center of the base plate 322 is provided with a sleeve 35, a center of the installation cavity is provided with a rotating shaft 313, the sleeve 32 is rotatably sleeved on the rotating shaft 313, an outer end of the spiral spring 36 is connected with an inner wall of the installation cavity, and an inner end of the spiral spring 36 is connected with the sleeve on the base plate.
The buffering pusher dog subassembly 3 is arranged, so that the power output of the driven transmission shaft 13 is gradually increased when the starting is carried out, and the damage caused by impact is avoided.
The disclosure is further illustrated below in conjunction with the working principle:
the transmission system of the electric starter in the disclosure comprises an electric transmission assembly and a manual transmission assembly, and can be started by electricity or manually when no electricity exists or the electric starter meets other conditions.
When the electric starter is started, a switch button is pressed down to start the driving motor 4, the output end of the driving motor 4 drives the driven gear 12 through the driving gear 11, then the driven transmission shaft 13 is driven to rotate in sequence, and power is output through the driven transmission shaft 13, so that the electric starter can be realized.
When the manual start is carried out, the pull rope 23 is pulled manually, the pull rope 23 drives the reel 21 to rotate, the reel 21 drives the driven transmission shaft 13 to rotate through the one-way driving device, and the manual start can be realized by outputting power through the driven transmission shaft 13.
The pull rope 23 drives the unidirectional driving device to drive the unidirectional rotation direction of the driven transmission shaft 13 through the reel 21, and the unidirectional rotation direction is the same as that of the driven transmission shaft 13 driven by the driven gear 12 through the unidirectional bearing 14; therefore, when the driven gear 12 drives the driven transmission shaft 13 to rotate through the one-way bearing 14, the driven transmission shaft 13 cannot reversely drive the reel 21 to rotate through the one-way driving device, and similarly, when the reel drives the driven transmission shaft 13 to rotate through the one-way driving device, the driven transmission shaft 13 cannot reversely drive the driven gear 12 to rotate through the one-way bearing 14.
The present disclosure is not limited to the above optional embodiments, and on the premise of no conflict, the schemes can be combined arbitrarily; any other products in various forms can be obtained in the light of the present disclosure, but any changes in shape or structure thereof fall within the scope of the present disclosure, which is defined by the claims.
Claims (10)
1. A transmission system for an electric starter, characterized in that: comprises an electric transmission assembly and a manual transmission assembly;
the electric transmission assembly comprises a driving gear, a driven gear and a driven transmission shaft; the driven gear is meshed with the driving gear, and the driven gear is connected with the driven transmission shaft through a one-way bearing;
the manual transmission assembly comprises a pull rope, a winding wheel, a one-way driving device and a resetting device; the pull rope is wound on the reel, the reel drives the driven transmission shaft through the one-way driving device, and the reset device is connected with the reel and used for resetting the reel;
the pull rope drives the unidirectional driving device to drive the unidirectional rotation direction of the driven transmission shaft through the reel, and the unidirectional rotation direction of the driven transmission shaft driven by the driven gear through the unidirectional bearing is the same as the unidirectional rotation direction of the driven transmission shaft driven by the driven gear through the unidirectional bearing.
2. A transmission system for an electric starter as claimed in claim 1, characterized in that: the unidirectional driving device is a ratchet wheel and pawl assembly, and the ratchet wheel and pawl assembly comprises a pawl arranged on the reel and a ratchet wheel fixed on the driven transmission shaft; the reel drives the ratchet wheel to drive the driven transmission shaft to rotate in a single direction through the pawl.
3. A transmission system for an electric starter as claimed in claim 1, characterized in that: the resetting device is a volute spiral spring with one end connected with the reel and the other end connected to the electric starter shell.
4. A transmission system of an electric starter according to any one of claims 1 to 3 wherein: the reset device and the one-way driving device are respectively arranged in the mounting grooves of the two end faces of the reel.
5. A transmission system for an electric starter as claimed in claim 1, characterized in that: and a handle is arranged at the outer end part of the pull rope.
6. A transmission system for an electric starter as claimed in claim 1, characterized in that: and the output end of the driven transmission shaft is provided with a buffer pusher dog assembly.
7. A transmission system for an electric starter as claimed in claim 6, wherein: the buffer pusher dog assembly comprises a base fixed on the driven transmission shaft and a pusher dog rotationally connected with the base, and an elastic part used for buffering relative rotation between the pusher dog and the base is arranged between the pusher dog and the base.
8. A transmission system for an electric starter as claimed in claim 7, wherein: the shifting claw comprises a base plate, the outer end face of the base plate is provided with meshing teeth, the inner end face of the base plate is provided with a shifting piece, a buffer groove is formed in the seat body, and the elastic piece is arranged in the buffer groove and located between the shifting piece and the seat body; the center of the seat body is provided with a rotating shaft, and the substrate is rotationally arranged on the rotating shaft; the elastic piece is a compression spring, at least two buffer grooves are formed in the seat body through a ring groove and a partition plate, a compression spring and a shifting piece are arranged in each buffer groove, the front end of each compression spring is connected with the shifting piece, and the rear end of each compression spring is connected with the partition plate.
9. A transmission system for an electric starter as claimed in claim 7, wherein: the elastic piece is volute spiral spring, is equipped with the installation cavity in the pedestal, and volute spiral spring sets up in the installation cavity, and volute spiral spring's one end links to each other and the other end links to each other with the pusher dog with the pedestal.
10. A transmission system for an electric starter as claimed in claim 9, wherein: the pusher dog includes the base plate, and the outer terminal surface of base plate is equipped with the interlock tooth, and the inner terminal surface center of base plate is equipped with the sleeve pipe, the center of installation cavity is equipped with the pivot, and the sleeve pipe rotates to cup joint on the pivot, the outer end of volute spiral spring links to each other with the inner wall of installation cavity, the inner of volute spiral spring links to each other with the sleeve pipe on the base plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021436709.3U CN212958922U (en) | 2020-07-20 | 2020-07-20 | Transmission system of electric starter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021436709.3U CN212958922U (en) | 2020-07-20 | 2020-07-20 | Transmission system of electric starter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212958922U true CN212958922U (en) | 2021-04-13 |
Family
ID=75394098
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021436709.3U Active CN212958922U (en) | 2020-07-20 | 2020-07-20 | Transmission system of electric starter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212958922U (en) |
-
2020
- 2020-07-20 CN CN202021436709.3U patent/CN212958922U/en active Active
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