CN218325071U - Control mechanism in starter - Google Patents
Control mechanism in starter Download PDFInfo
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- CN218325071U CN218325071U CN202222336189.4U CN202222336189U CN218325071U CN 218325071 U CN218325071 U CN 218325071U CN 202222336189 U CN202222336189 U CN 202222336189U CN 218325071 U CN218325071 U CN 218325071U
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Abstract
A control mechanism in a starter comprises a rotary control switch, wherein a telescopic control shaft is arranged on the rotary control switch, and a spiral through groove is formed in the control shaft. The control shaft is sleeved with a control gear, a connecting piece is arranged on the control gear, and the connecting piece is located in the spiral through groove. The connecting piece includes the connecting roller of symmetry setting, leave the space between the connecting roller. Compared with the prior art, the telescopic motion of control shaft can be converted into the rotary motion of the specific angle of control gear to this application, can cooperate corresponding rotation meshing mechanism structure to make meshing gear and engine flywheel mesh, and simple structure is reliable, has avoided traditional telescopic electromagnetic switch's the uneven problem of atress.
Description
Technical Field
The utility model belongs to the technical field of automobile starter control switch, concretely relates to control mechanism in starter.
Background
The vehicle starter is a key component of the vehicle starting system. The working principle is as follows: the electric energy of the storage battery is converted into mechanical energy, the mechanical energy is transmitted to a gear ring of an engine flywheel through a meshing gear of the transmission mechanism, the resistance moment of the engine is overcome, and the engine in a static state is started to enable the automobile to run normally. Wherein, the key of the transmission is to mesh the meshing gear with the flywheel. In the traditional technology, the process is realized by controlling the on-off of a circuit of a starter and the engagement and disengagement of an engaged gear and a flywheel by a control mechanism, and the process mainly comprises the engagement modes of forced engagement, flexible engagement and the like.
In the prior art, the starters adopting two meshing modes both adopt telescopic electromagnetic switches, and a clutch assembled with a meshing gear is shifted by a shifting fork under the control of the electromagnetic switches so that the meshing gear moves forwards to be meshed with an engine flywheel. In the process that the shifting clutch moves forwards along the axial direction, the component force of the shifting force can generate acting force on the meshing gear shaft, so that the clutch is stressed unevenly and is blocked, and the shifting fork is easy to damage and misplace or a pull rod hook for pulling the shifting fork falls off after a long time.
Accordingly, the present application is directed to further designs and improvements based on certain of the above-identified circumstances in the prior art.
SUMMERY OF THE UTILITY MODEL
To not enough among the above prior art, the utility model provides a control mechanism in starter can turn into the concertina movement of control shaft the rotary motion of the specific angle of control gear, can cooperate corresponding rotation meshing mechanism structure to make meshing gear and engine flywheel mesh, and simple structure is reliable, has avoided the uneven problem of atress of traditional telescopic electromagnetic switch.
In order to solve the above technical problem, the present invention solves the above technical problems.
A control mechanism in a starter comprises a rotary control switch, wherein a telescopic control shaft is arranged on the rotary control switch, and a spiral through groove is formed in the control shaft. The control shaft is sleeved with a control gear, a connecting piece is arranged on the control gear, and the connecting piece is located in the spiral through groove. The design can convert the telescopic motion of the control shaft into the rotary motion of the control gear, and the structural strength required by corresponding torque is achieved.
The connecting piece includes the connecting roller of symmetry setting, leave the space between the connecting roller. The connecting rollers are in rolling contact with the side walls of the spiral through grooves, and the connecting rollers are not in contact with each other, so that abrasion can be greatly reduced.
In a preferred embodiment, the control gear comprises a first half wheel and a second half wheel, the first half wheel is provided with an assembly step, and the connecting piece is arranged on the assembly step. And the second half wheel is provided with an assembling groove matched with the assembling step. The processing difficulty of the control gear is reduced, and the assembly of the connecting piece is simpler and more convenient.
In a preferred embodiment, a limiting groove is formed in one side end face of the second half wheel, a limiting part is arranged in the limiting groove, and the limiting part is connected with the rotation control switch. The control gear is prevented from shifting when the control shaft moves.
In a preferred embodiment, the difference of the rotation angles of the two ends of the spiral through groove is 30-90 °. The control gear can rotate smoothly, and the phenomenon that the rotation angle difference is overlarge to cause jamming is avoided.
Compared with the prior art, the method has the following beneficial effects: the control mechanism in the starter can convert the telescopic motion of the control shaft into the rotary motion of the control gear at a specific angle, can be matched with a corresponding rotating meshing mechanism structure to enable the meshing gear to be meshed with an engine flywheel, is simple and reliable in structure, and avoids the problem that the traditional telescopic electromagnetic switch is uneven in stress.
Drawings
Fig. 1 is a first perspective view of an embodiment.
Fig. 2 is a perspective view of the second embodiment.
FIG. 3 is a schematic plan view of a main body portion of an embodiment of a transmission structure.
Fig. 4 is a perspective view of the rotation control assembly.
Fig. 5 is a perspective view of the engagement disengagement switch.
Fig. 6 is a perspective view of the first half wheel.
Fig. 7 is a schematic structural view of the second half wheel.
Fig. 8 is a schematic structural diagram of the rotation control switch.
The following are the reference signs in the drawings of the specification:
1. an assembly frame; 11. a drive bit; 12. rotating; 13. a working position; 14. a chute;
2. an electric motor; 21. a motor shaft;
3. a rotation control switch; 31. a control shaft; 32. a spiral through groove; 33. a limiting member;
4. engaging a disconnect switch; 41. a connecting seat; 42. a top rod;
5. a rotation control assembly; 51. a connecting rod; 52. a rotating shaft; 53. a sliding assembly seat; 54. A sliding base; 55. a restoring elastic member;
6. a meshing gear;
7. a control gear; 71. a first half wheel; 711. assembling steps; 72. a second half-wheel; 721. assembling a groove; 722. a limiting groove; 73. a connecting roller;
8. a drive gear;
9. the gear is rotated.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
In the following embodiments, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout, and the embodiments described below by referring to the drawings are exemplary only for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the term: the center, vertically, transversely, length, width, thickness, upper and lower, preceding, back, left and right, vertical, level, top, end, inside and outside, clockwise, anticlockwise etc. indicate position or positional relationship for based on the position or positional relationship that the figure shows, just for the convenience of description the utility model discloses and the simplified description, consequently can not be understood as the restriction of the utility model. Furthermore, the terms: first, second, etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features shown. In the description of the present invention, unless explicitly stated or limited otherwise, the terms: mounting, connecting, etc. should be understood broadly, and those skilled in the art will understand the specific meaning of the terms in this application as they pertain to the particular situation.
Referring to fig. 1 to 8, the rotating mesh type starter comprises a mounting bracket 1, wherein a driving position 11, a rotating position 12 and a working position 13 are arranged on the mounting bracket 1.
In this embodiment, the driving position 11 is provided with an electric motor 2, and a motor shaft 21 of the electric motor 2 is provided with a driving gear 8.
In this embodiment, the rotation position 12 is provided with a rotation control switch 3, and the rotation control switch 3 is connected with a rotation control assembly 5. The rotation control assembly 5 comprises a rotation shaft 52, a sliding assembly seat 53 capable of moving along the shaft is arranged on the rotation shaft 52, a rotatable meshing gear 6 meshed with the driving gear 8 is arranged on the sliding assembly seat 53, and the rotation control switch 3 can control the rotation shaft 52 to rotate around the motor shaft 21 to the position of the working position 13. The sliding stroke of the sliding assembly seat 53 is smaller than the tooth width of the driving gear 8, and the meshing gear 6 is always meshed with the driving gear 8 to transmit the power of the motor 2 to the flywheel of the engine. So that the meshing gear 6 is always meshed with the driving gear 8, and the phenomenon of tooth jacking is avoided. The rotation control switch 3 is used to rotate the meshing gear 6 to the position of the working position 13 to mesh with the flywheel of the engine.
Specifically, the rotation control assembly 5 further comprises a connecting rod 51, one end of the connecting rod 51 is connected with the rotating shaft 52, the other end of the connecting rod 51 is provided with a rotating gear 9, and the rotating gear 9 is rotatably mounted on the motor shaft 21. So that the rotation of the control gear 7 is converted into rotation of the rotation control assembly 5 so that the meshing gear 6 can be meshed with or disengaged from the engine flywheel.
In this embodiment, the rotation control switch 3 is provided with a telescopic control shaft 31, and the control shaft 31 is provided with a spiral through groove 32. The control shaft 31 is sleeved with a control gear 7, and the rotating gear 9 is meshed with the control gear 7. The control gear 7 is provided with a connecting piece which is positioned in the spiral through groove 32. The design can convert the telescopic motion of the control shaft 31 into the rotary motion of the control gear 7, and has structural strength corresponding to the torque requirement. Specifically, the control gear 7 includes a first half wheel 71 and a second half wheel 72, the first half wheel 71 is provided with a fitting step 711, and the connecting member is fitted on the fitting step 711. The second half wheel 72 is provided with a fitting groove 721 corresponding to the fitting step 711. The processing difficulty of the control gear 7 is reduced, and the assembly of the connecting piece is simpler and more convenient.
Particularly, a limiting groove 722 is formed in one side end face of the second half wheel 72, a limiting piece 33 is installed in the limiting groove 722, and the limiting piece 33 is connected with the rotation control switch 3. The control gear 7 is prevented from shifting when the control shaft 31 is moved. The connecting piece comprises connecting rollers 73 which are symmetrically arranged, and a gap is reserved between the connecting rollers 73. The connecting rollers 73 are in rolling contact with the side walls of the spiral through grooves 32, and the connecting rollers 73 are not in contact with each other, so that abrasion can be greatly reduced. The difference of the rotation angles of the two ends of the spiral through groove 32 is 30-90 degrees. So that the control gear 7 can rotate smoothly, and the occurrence of jamming due to overlarge difference of the rotation angle is avoided.
In this embodiment, the working position 13 is provided with an engaging and disengaging switch 4, and the engaging and disengaging switch 4 is connected with a jacking member. The jacking piece comprises a connecting seat 41, and a jacking rod 42 is annularly arranged on the connecting seat 41. So that the end face of the sliding assembly seat 53 is stressed uniformly, and the sliding assembly seat 53 is ensured to slide smoothly. When the rotating shaft 52 rotates to the position of the working position 13, the jacking piece faces the end face of one side of the sliding assembly seat 53. The other side of the sliding assembly seat 53 is provided with a reset component. The reset assembly comprises a sliding base 54, wherein a reset elastic piece 55 is arranged on the sliding base 54, and the other end of the reset elastic piece 55 is abutted against the end face of the sliding assembly seat 53; the assembly frame 1 is provided with a sliding groove 14, and the sliding base 54 is arranged in the sliding groove 14. The reset component is used for resetting the meshed gear 6 after being disengaged. The jack-up member is used for pushing the meshing gear 6 away to be disengaged from the flywheel, and the reset assembly is used for resetting the meshing gear 6.
The working principle is as follows:
meshing: the rotation control switch 3 is started, the rotating shaft 52 extends out, the control gear 7 rotates to drive the rotating gear 9 to rotate, the rotating shaft 52 drives the meshing gear 6 to rotate around the motor shaft 21 towards the working position 13, the meshing with the engine flywheel is gradually carried out in the period, and the meshing is completed when the rotating shaft 52 completely rotates to the working position 13. During the meshing, if the teeth of the meshing gear 6 just enter the tooth grooves of the flywheel, the meshing is smooth. If the gear teeth of the meshing gear 6 are abutted to the gear teeth of the flywheel, the motor 2 is started, the meshing gear 6 moves downwards continuously and starts to rotate, and when the meshing gear rotates for a certain angle, the gear teeth of the meshing gear 6 slide into the gear grooves of the flywheel.
Separation: after the engine is started, the meshing disengagement switch 4 is started, and the ejector rod 42 pushes the meshing gear 6 to disengage from the meshing of the flywheel. The rotation control switch 3 is turned off, the rotating shaft 52 retracts, and the control gear 7 rotates reversely to drive the connecting rod 51 to rotate. The mesh release switch 4 is turned off, the jack-up member is retracted, and the meshing gear 6 is returned to the original position by the reset assembly.
Compared with the prior art, the rotary meshing type engine in the embodiment meshes the meshing gear 6 with the engine flywheel through rotation, so that the tooth jacking phenomenon is greatly reduced, the tooth milling fault is effectively avoided, the abrasion of the driving gear 8 and the engine flywheel is reduced, and the service life of the starter is greatly prolonged.
The protection scope of the present invention includes but is not limited to the above embodiments, the protection scope of the present invention is subject to the claims, and any replacement, deformation, and improvement that can be easily conceived by those skilled in the art made by the present technology all fall into the protection scope of the present invention.
Claims (4)
1. A control mechanism in a starter is characterized by comprising a rotary control switch (3), wherein a telescopic control shaft (31) is arranged on the rotary control switch (3), and a spiral through groove (32) is arranged on the control shaft (31); the control shaft (31) is sleeved with a control gear (7), a connecting piece is arranged on the control gear (7), and the connecting piece is positioned in the spiral through groove (32);
the connecting piece comprises connecting rollers (73) which are symmetrically arranged, and a gap is reserved between the connecting rollers (73).
2. The control mechanism in a starter according to claim 1, wherein the control gear (7) includes a first half wheel (71) and a second half wheel (72), the first half wheel (71) is provided with an assembling step (711), and the connecting member is mounted on the assembling step (711); and the second half wheel (72) is provided with an assembling groove (721) matched with the assembling step (711).
3. The control mechanism in a starter according to claim 2, wherein a limit groove (722) is formed on one side end surface of the second half wheel (72), a limit piece (33) is arranged in the limit groove (722), and the limit piece (33) is connected with the rotation control switch (3).
4. Control mechanism in a starter according to claim 3, characterized in that the angular difference between the two ends of the helical through slot (32) is 30 ° -90 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222336189.4U CN218325071U (en) | 2022-09-02 | 2022-09-02 | Control mechanism in starter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222336189.4U CN218325071U (en) | 2022-09-02 | 2022-09-02 | Control mechanism in starter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218325071U true CN218325071U (en) | 2023-01-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222336189.4U Active CN218325071U (en) | 2022-09-02 | 2022-09-02 | Control mechanism in starter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218325071U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115234421A (en) * | 2022-09-02 | 2022-10-25 | 宁波市镇海金腾电器有限公司 | Rotating meshing type starter |
-
2022
- 2022-09-02 CN CN202222336189.4U patent/CN218325071U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115234421A (en) * | 2022-09-02 | 2022-10-25 | 宁波市镇海金腾电器有限公司 | Rotating meshing type starter |
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