CN210062830U - Clutch assembly and driving mechanism of rearview mirror adjusting device - Google Patents
Clutch assembly and driving mechanism of rearview mirror adjusting device Download PDFInfo
- Publication number
- CN210062830U CN210062830U CN201920796612.4U CN201920796612U CN210062830U CN 210062830 U CN210062830 U CN 210062830U CN 201920796612 U CN201920796612 U CN 201920796612U CN 210062830 U CN210062830 U CN 210062830U
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- gear
- clutch assembly
- central hole
- ring
- free ends
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Abstract
An embodiment of the utility model provides a clutch assembly and rear-view mirror adjusting device's actuating mechanism, clutch assembly includes: the outer gear ring is used for being meshed with the reduction gear; the gear shaft penetrates through the central hole of the outer gear ring in the middle section; the C-shaped clamp spring is tightly clamped at the middle section of the gear shaft and is arranged in the central hole of the outer gear ring; the hole wall of the central hole of the outer gear ring is also provided with a bulge protruding towards the inside of the central hole, and the bulge extends into the space between the two free ends of the C-shaped clamp spring and is respectively abutted against the two free ends. The embodiment of the utility model provides a through setting up the chucking and place the C shape jump ring in the centre bore of outer ring gear in gear shaft middle section in, and be equipped with on the centre bore pore wall to the inside convex arch of centre bore stretch into between two free ends of C shape jump ring and respectively with two free ends looks butts, C shape jump ring simple structure need not to process the spring of two kinds of not equidirectionals, does not need discernment to distinguish the spring during the equipment moreover, conveniently makes and assembles, reduces and makes and the assembly cost.
Description
Technical Field
The embodiment of the utility model provides a relate to drive arrangement technical field, especially relate to a clutch assembly and rear-view mirror adjusting device's actuating mechanism.
Background
In the conventional vehicle, the angle of the mirror is usually adjusted electrically or manually by a motor, which involves a driving mechanism of an adjusting device provided in the mirror, and a clutch assembly is usually provided in the conventional driving mechanism to adjust the angle of the mirror. The clutch assembly generally includes an outer ring gear engaged to the end of the reduction gear; insert with the middle section and arrange in gear shaft in the centre bore of outer ring gear, the one end of gear shaft still is formed with the wheel tooth portion with inscription gear engagement, the gear shaft middle section still overlaps and is equipped with the helical spring, and a terminal radial inflection of the spring line of helical spring forms the arch, corresponds on the centre bore pore wall of outer ring gear to be equipped with the constant head tank confession the arch is inserted to make the rotatory synchronous revolution of outer ring gear drive gear shaft. For convenient manufacturing and equipment, the spiral spring can only form protruding and realize the transmission of power with the outer ring gear butt in one end, for guaranteeing the equilibrium, can establish two spiral springs at gear shaft middle section cover usually, and two spiral springs are packed into the centre bore from the both ends of centre bore respectively, and every spiral spring forms protruding the constant head tank that gets up and centre bore inner wall and corresponds the cooperation and transmit power symmetrically at the one end that leans on the centre bore drill way. However, this design requires two types of helical springs to be manufactured, and the helical springs need to be identified and distinguished during assembly to be assembled correctly, which results in high manufacturing and assembly costs.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a technical problem who solves provides a clutch assembly, can conveniently make and assemble.
The embodiment of the utility model provides a technical problem who further solves lies in, provides a rear-view mirror adjusting device's actuating mechanism, can conveniently make and assemble.
In order to solve the technical problem, the embodiment of the utility model provides an adopt following technical scheme: a clutch assembly provided between a reduction gear connected to a drive motor and an internal gear connected to an adapter, the clutch assembly comprising: an outer ring gear for meshing with the reduction gear;
the middle section of the gear shaft penetrates through the central hole of the outer gear ring, and one end of the gear shaft is provided with a gear tooth part meshed with the inner gear;
the C-shaped clamp spring is tightly clamped at the middle section of the gear shaft and is arranged in the central hole of the outer gear ring;
the hole wall of the central hole of the outer gear ring is also provided with a bulge protruding towards the inside of the central hole, and the bulge extends into the space between the two free ends of the C-shaped clamp spring and is respectively abutted against the two free ends.
Furthermore, an end hole of the central hole, which is far away from the gear tooth part, is also radially retracted to form a first stopping part, and one side surface of the C-shaped clamp spring abuts against the first stopping part.
Furthermore, a second stopping part protruding in the radial direction is formed at the position, close to the gear tooth part, of the gear shaft, and the other side face of the C-shaped clamp spring abuts against the second stopping part.
Further, the second blocking portion is also inserted into the central hole correspondingly.
Further, a side separating part used for abutting against the outer gear ring is further arranged between the gear tooth part and the second stopping part.
Further, the C-shaped clamp springs are provided with at least two and are arranged side by side in sequence in an abutting mode.
For solving the above-mentioned technical problem that further solve, the embodiment of the utility model discloses still adopt following technical scheme: a drive mechanism for a rearview mirror adjustment device, the drive mechanism comprising: a drive motor, a first worm provided on a shaft of the drive motor, a reduction gear meshing with the first worm, a second worm formed on the same axis as the reduction gear, a clutch assembly meshing with the second worm, and an internal gear meshing with the clutch assembly, wherein the clutch assembly is the clutch assembly of the drive mechanism of the mirror adjustment device according to any one of the above aspects.
Adopt above-mentioned technical scheme, the embodiment of the utility model provides a following beneficial effect has at least: the embodiment of the utility model provides a through setting up the chucking at the gear shaft middle section and place the C shape jump ring in the centre bore of outer ring gear, and be equipped with the arch to the inside bulge of centre bore on the centre bore pore wall of outer ring gear, the arch stretches into between two free ends of C shape jump ring and respectively with two free end looks butt, C shape jump ring simple structure need not to process the spring of two kinds of different directions, and need not discernment during the equipment and distinguish the spring, conveniently makes and assembles, reduces manufacturing and assembly cost; the clutch force is finely adjusted to disperse the frictional force to the entire surface and prolong the service life of the clutch in the field of driving devices which have a rotating shaft and require a clutch function, such as a driving mechanism of a rearview mirror adjusting device or an air conditioner air door driving device.
Drawings
Fig. 1 is a schematic perspective view of an alternative embodiment of a driving mechanism of a rearview mirror adjusting device of the present invention.
Fig. 2 is an exploded view of an alternative embodiment of the clutch assembly of the present invention.
Figure 3 is a longitudinal cross-sectional view of an alternative embodiment of the clutch assembly of the present invention.
Figure 4 is a transverse cross-sectional view of an alternative embodiment of the clutch assembly of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. It is to be understood that the following illustrative embodiments and description are only intended to illustrate the present invention, and are not intended as a limitation of the present invention, and that features of the embodiments and examples may be combined with each other without conflict.
As shown in fig. 1 to 4, an alternative embodiment of the present invention provides a clutch assembly 10, which is applied to the field of driving devices that have a rotating shaft and require a clutch function, such as a driving mechanism 1 of a rearview mirror adjusting device or an air conditioner door driving device. The clutch assembly 10 is disposed between a reduction gear 14 connected to a driving motor 12 and an internal gear 16 connected to an adaptor (not shown), and the clutch assembly 10 includes:
an outer ring gear 101 for meshing with the reduction gear 14;
a gear shaft 103, which is inserted into the central hole 1010 of the outer ring gear 101 through a middle section 1030, and a gear tooth part 1032 is formed at one end of the gear shaft 103;
the C-shaped clamp spring 105 is tightly clamped at the middle section 1030 of the gear shaft 103 and is arranged in the central hole 1010 of the outer gear ring 101;
the hole wall of the central hole 1010 of the outer gear ring 101 is further provided with a protrusion 1010a protruding towards the inside of the central hole 1010, and the protrusion 1010a extends into the space between the two free ends 1050 of the C-shaped clamp spring 105 and is respectively abutted against the two free ends 1050.
In the embodiment, the C-shaped clamp spring is tightly clamped at the middle section 1030 of the gear shaft 103 and is arranged in the central hole 1010 of the outer gear ring 101, the hole wall of the central hole 1010 of the outer gear ring 101 is provided with the protrusion 1010a protruding towards the inside of the central hole, the protrusion 1010a extends into the space between the two free ends 1050 of the C-shaped clamp spring 105 and is respectively abutted against the two free ends 1050, the C-shaped clamp spring 105 is simple in structure, two springs in different directions do not need to be processed, and the springs do not need to be identified and distinguished during assembly, so that the manufacturing and assembly are convenient, and the manufacturing and assembly; the clutch force is finely adjusted to disperse the frictional force to the entire surface and prolong the service life of the clutch, by applying to the field of driving devices which have a rotating shaft and require a clutch function, such as a driving mechanism 1 of a rearview mirror adjusting device or an air conditioner damper driving device.
In another optional embodiment of the present invention, an opening of one end of the central hole 1010 far away from the toothed portion 1030 is further radially retracted to form a first stop portion 1010b, and a side of the C-shaped clamp spring 105 abuts against the first stop portion 1010 b. In the embodiment, the first stop portion 1010b is formed by radially inwardly contracting an end opening of the central hole 1010 far from the gear tooth portion 1030, so that the C-shaped clamp spring 105 is prevented from being disengaged from the central hole of the fixing groove.
In another optional embodiment of the present invention, the gear shaft 103 is further formed with a second blocking portion 1034 protruding radially at a position close to the gear tooth portion 1032, and the other side surface of the C-shaped clamp spring 105 abuts against the second blocking portion 1034. In the embodiment, the gear shaft 103 is provided with the radial protrusion 1034 at a position close to the tooth portion 1032, when the middle section 1030 of the gear shaft 103 is inserted into the central hole 1010, the side surfaces of the C-shaped clamp spring 105 respectively abut against the first stopping portion 1010b and the second stopping portion 1034, and the first stopping portion 1010b and the second stopping portion 1034 cooperate to stop the C-shaped clamp spring 105, so that the C-shaped clamp spring 105 is prevented from being disengaged from the central hole 1010 of the outer gear ring 101.
In another alternative embodiment of the present invention, the second stopping portion 1034 is also inserted into the central hole 1010. In this embodiment, when the middle section 1030 of the gear shaft 103 is inserted into the central hole 1010, the second stopping portion 1034 is correspondingly inserted into the central hole 1010, and the side surfaces of the C-shaped clamp spring 105 abut against the first stopping portion 1010b and the second stopping portion 1034, respectively, so that the assembly structure is simple and requires a small space, and a compact exterior mirror assembly can be realized.
In yet another alternative embodiment of the present invention, a side partition 1036 for abutting against the outer ring gear is further disposed between the gear tooth portion 1032 and the second blocking portion 1034. The present embodiment is configured by providing a partition 1036 between the gear tooth portion 1030 and the second stopper 1034 for abutting against one side surface of the outer ring gear 101.
In another alternative embodiment of the present invention, the C-shaped clamp springs 105 are disposed at least two and abut against each other side by side in sequence. This embodiment is provided with at least two through with C shape jump ring 105, carries out the fine adjustment of clutch power, and is whole with frictional force dispersion to the surface, prolongs the life of clutch, and C shape jump ring 105 row leans on the setting in proper order moreover, and the simple less space of needs of package assembly, consequently can realize compact outside rear-view mirror assembly.
On the other hand, as shown in fig. 1, the embodiment of the present invention further provides a driving mechanism 1 of a rearview mirror adjusting device, where the driving mechanism 1 includes: a drive motor 12, a first worm 13 provided on a shaft of the drive motor 12, a reduction gear 14 engaged with the first worm 13, a second worm 15 formed on the same axis as the reduction gear 14, a clutch assembly 10 engaged with the second worm 15, and an internal gear 16 engaged with the clutch assembly 10; the clutch assembly 10 is the clutch assembly 10 of the drive mechanism 1 of the mirror adjustment device according to any one of the above-described embodiments.
This embodiment is through setting up the chucking at gear shaft 103 middle section 1030 and placing the C shape jump ring in outer ring gear 101's centre bore 1010, and be equipped with on outer ring gear 101's the centre bore 1010 pore wall to the inside convex protruding 1010a of centre bore, protruding 1010a stretches into between two free ends 1050 of C shape jump ring 105 and respectively with two free ends 1050 looks butt, C shape jump ring 105 simple structure need not to process the helical spring of two kinds of directions, need not discernment during the equipment moreover and distinguishes helical spring, conveniently makes and assembles, reduces manufacturing and assembly cost.
The embodiments of the present invention have been described with reference to the accompanying drawings, but the present invention is not limited to the above-mentioned embodiments, which are only illustrative and not restrictive, and those skilled in the art can make many forms without departing from the spirit and scope of the present invention, and these forms are within the scope of the present invention.
Claims (7)
1. A clutch assembly provided between a reduction gear connected to a drive motor and an internal gear connected to an adapter, the clutch assembly comprising:
an outer ring gear for meshing with the reduction gear;
the middle section of the gear shaft penetrates through the central hole of the outer gear ring, and one end of the gear shaft is provided with a gear tooth part meshed with the inner gear;
the clutch assembly is characterized by further comprising a C-shaped clamp spring which is clamped at the middle section of the gear shaft and is arranged in a central hole of the outer gear ring; the hole wall of the central hole of the outer gear ring is also provided with a bulge protruding towards the inside of the central hole, and the bulge extends into the space between the two free ends of the C-shaped clamp spring and is respectively abutted against the two free ends.
2. The clutch assembly of claim 1, wherein an end of the central bore that is distal from the gear teeth is further radially inwardly tapered to form a first stop, and a side of the C-shaped circlip abuts against the first stop.
3. The clutch assembly as claimed in claim 2, wherein the gear shaft is further formed with a second stopper portion protruding in a radial direction at a position close to the gear tooth portion, and the other side surface of the C-shaped clip abuts against the second stopper portion.
4. The clutch assembly of claim 3, wherein said second stop portion is also inserted into said central bore.
5. The clutch assembly of claim 1, wherein a spacer for abutting against one side surface of the outer ring gear is further provided between the gear teeth portion and the second stopper portion.
6. A clutch assembly according to any one of claims 1 to 5, characterised in that the C-shaped circlips are at least two and abut one another side by side.
7. A drive mechanism for a rearview mirror adjustment device, the drive mechanism comprising: a drive motor, a first worm provided on a shaft of the drive motor, a reduction gear engaged with the first worm, a second worm formed on the same axis as the reduction gear, a clutch assembly engaged with the second worm, and an internal gear engaged with the clutch assembly; wherein the clutch assembly is as defined in any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920796612.4U CN210062830U (en) | 2019-05-29 | 2019-05-29 | Clutch assembly and driving mechanism of rearview mirror adjusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920796612.4U CN210062830U (en) | 2019-05-29 | 2019-05-29 | Clutch assembly and driving mechanism of rearview mirror adjusting device |
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| Publication Number | Publication Date |
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| CN210062830U true CN210062830U (en) | 2020-02-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920796612.4U Active CN210062830U (en) | 2019-05-29 | 2019-05-29 | Clutch assembly and driving mechanism of rearview mirror adjusting device |
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| CN (1) | CN210062830U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110126739A (en) * | 2019-05-29 | 2019-08-16 | 东莞皓永汽车配件有限公司 | The driving mechanism of clutch assembly and rearview mirror adjustment device |
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2019
- 2019-05-29 CN CN201920796612.4U patent/CN210062830U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110126739A (en) * | 2019-05-29 | 2019-08-16 | 东莞皓永汽车配件有限公司 | The driving mechanism of clutch assembly and rearview mirror adjustment device |
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