CN217156904U - Shell fragment and shell coupling mechanism, lens drive, camera device and electronic equipment - Google Patents
Shell fragment and shell coupling mechanism, lens drive, camera device and electronic equipment Download PDFInfo
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- CN217156904U CN217156904U CN202121179276.2U CN202121179276U CN217156904U CN 217156904 U CN217156904 U CN 217156904U CN 202121179276 U CN202121179276 U CN 202121179276U CN 217156904 U CN217156904 U CN 217156904U
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Abstract
The utility model belongs to the technical field of make a video recording, especially, relate to a shell fragment and shell coupling mechanism, lens drive arrangement, camera device and electronic equipment. It has solved the technical problem of current focusing motor's shell easy output dust. The shell fragment and shell connecting mechanism comprises a shell, which is sleeved outside a carrier; the upper elastic sheet is used for connecting the carrier and the shell; the concave-convex circumferential limiting structure of the second is connected to the shell and the upper elastic sheet so as to prevent the upper elastic sheet from rotating around the optical axis relative to the shell. The utility model has the advantages that: the elastic sheet can be prevented from rotating to influence the quality of the final product.
Description
Technical Field
The utility model belongs to the technical field of make a video recording, especially, relate to a shell fragment and shell coupling mechanism, lens drive arrangement, camera device and electronic equipment.
Background
In the VCM trade at present, the connection of shell and last shell fragment adopts the connected mode of a plurality of heavy platforms, and it can't make shell and the accurate equipment in last shell fragment position when going up shell fragment and shell equipment, leads to the packaging efficiency lower, influences the productivity.
Secondly, although some of the shells are square, the shells and the outer side of the upper spring plate have certain mutual rotation hidden danger (before the glue between the shells is not cured), and the quality of the final product is affected.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the above-mentioned problem, provide a shell fragment and shell coupling mechanism, lens drive arrangement, camera device and electronic equipment that can solve above-mentioned technical problem.
In order to achieve the above purpose, the utility model adopts the following technical proposal:
this shell fragment and shell coupling mechanism includes:
the outer shell is sleeved outside the carrier;
the upper elastic sheet is used for connecting the carrier and the shell;
the concave-convex circumferential limiting structure of the second is connected to the shell and the upper elastic sheet so as to prevent the upper elastic sheet from rotating around the optical axis relative to the shell.
In the above connecting mechanism for the elastic sheet and the shell, the shell is a circular shell.
In the above connecting mechanism for the elastic sheet and the housing, the second concave-convex circumferential limiting structure comprises at least one second lower protrusion arranged at the top in the housing, and second limiting grooves for the second lower protrusions to be clamped into are formed in the outer ring of the upper elastic sheet.
In the above connecting mechanism for the elastic sheet and the housing, the second lower protrusions are two and are symmetrically distributed with respect to the optical axis.
In the above connecting mechanism for the shrapnel and the shell, the second lower bulge is arranged on the edge of the top in the shell, and the second limit groove is arranged on the outer edge of the carrier.
In the above connecting mechanism for the elastic sheet and the housing, a second lower groove corresponding to the second lower protrusion is formed at the edge of the outer top of the housing.
In the above connecting mechanism for the elastic sheet and the shell, the outer edge of the inner top of the shell is further provided with a third lower protrusion, and the outer ring of the upper elastic sheet is fixed on the third lower protrusion, so that a space is formed between the upper elastic sheet and the inner top surface of the shell.
In the above connecting mechanism for the elastic sheet and the housing, the edge of the top of the housing is provided with third lower grooves corresponding to the third lower protrusions, the outer edge of each third lower groove is provided with a second lower groove, and the outer edge of each third lower protrusion is provided with a second lower protrusion.
In the above connecting mechanism for the spring plate and the housing, the bottom of the second limiting groove is a straight-side groove bottom, and the second lower protrusion has a straight-side surface matched with the straight-side groove bottom. That is, the engagement of the straight-side sides with the straight-side groove bottoms can achieve circumferential locking.
The lens driving device comprises a base;
a housing fastened to the base;
the carrier is used for carrying the lens and is arranged in a cavity formed by the base and the shell in a surrounding way through the upper elastic sheet and the lower elastic sheet;
the driving component drives the carrier to move along the optical axis;
the unsmooth circumference limit structure of second, thereby it connects in shell and last shell fragment and prevents to go up the shell fragment and rotate around the optical axis relatively.
In the lens driving device, the driving assembly includes a plurality of driving magnets fixed on the inner side wall of the housing, the driving magnets are located below the third lower protrusion, the outer ring of the upper elastic sheet is fixed between the driving magnets and the third lower protrusion, the carrier is sleeved with the driving coil, and the driving magnets are distributed on the outer side of the driving coil.
In the lens driving device, a third concave-convex circumferential limiting structure is arranged between the base and the shell and used for preventing the base and the shell from rotating circumferentially.
In the lens driving device, the base is a circular base.
In the lens driving device, the third concave-convex circumferential limiting structure includes at least one third upper concave limiting groove disposed on the lower end surface of the side portion of the housing, third upper limiting protrusions corresponding to the third upper concave limiting grooves one to one are disposed on the outer wall of the base, and the third upper limiting protrusions are clamped in the third upper concave limiting grooves.
In the lens driving device, the outer wall of the base is further provided with a plurality of glue storage grooves distributed circumferentially, glue is added into the glue storage grooves, and the glue is fixedly connected with the inner side wall of the shell.
The application provides an image pickup device, which is provided with the lens driving device.
The application provides an electronic device with the camera device.
Compared with the prior art, the utility model has the advantages of:
first unsmooth circumference limit structure utilizes unsmooth complex large tracts of land contact mode to realize that both circumference prevents the rotation purpose to ensure shell and carrier circumference fixed stability, with further going to improve the definition of making a video recording, thereby can prevent to produce the dust.
Utilize the unsmooth circumference of second limit structure to realize the circumference locking between shell and the last shell fragment to further stabilize the circumference fixed stability between the two.
Utilize first unsmooth circumference limit structure and the unsmooth circumference limit structure's of second mutual synergism, can realize the accurate positioning of shell and carrier to reach the fixed purpose in accurate location, still improved the production productivity simultaneously.
Drawings
Fig. 1 is a schematic perspective view of a lens driving device according to the present invention.
Fig. 2 is an exploded schematic view of the lens driving device provided by the present invention.
Fig. 3 is a schematic top view of the lens driving device according to the present invention.
Fig. 4 is an enlarged schematic view of a-a in fig. 3 taken along the line.
Fig. 5 is an enlarged schematic view of the structure along the line C-C in fig. 3.
Fig. 6 is a schematic view of a three-dimensional structure of the housing provided by the present invention.
Fig. 7 is a schematic diagram of a third structure according to the present invention.
Fig. 8 is a schematic structural diagram of the fourth embodiment of the present invention.
In the figure, a carrier 1, a first limit groove 10, a housing 2, a first lower protrusion 20, a first lower groove 21, a second lower protrusion 22, a second lower groove 23, a third lower protrusion 24, a third lower groove 25, a third upper concave limit groove 26, an upper elastic sheet 3, an outer ring 30, a second limit groove 31, a base 4, a third limit upper protrusion 40, a glue storage groove 41, a lower elastic sheet 5, a driving assembly 6, a driving magnet 60, a driving coil 61 and an optical axis a.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
As shown in fig. 1-3, the connecting mechanism for the elastic sheet and the housing comprises:
the shell 2 is sleeved outside the carrier 1;
the upper elastic sheet 3 is used for connecting the carrier 1 and the shell 2; that is, the upper spring 3 connects the upper end surface of the carrier 1 and the inner top surface of the housing 2 for supporting the movement of the carrier 1.
In order to achieve the purpose of preventing circumferential rotation, the embodiment is realized by the following scheme:
the first concave-convex circumferential limiting structure is connected to the carrier 1 and the shell 2 so as to prevent the carrier 1 from rotating around the optical axis a relative to the shell 2; the first concave-convex circumferential limiting structure realizes the purpose of preventing rotation and rotation in the circumferential direction of the first concave-convex circumferential limiting structure and the second concave-convex circumferential limiting structure by utilizing a concave-convex matched large-area contact mode, so that the circumferential fixing stability of the shell and the carrier is ensured, the image pick-up definition is further improved, and dust can be prevented from being generated.
The optical axis a is the Z-axis.
And the second concave-convex circumferential limiting structure is connected with the shell 2 and the upper elastic sheet 3 so as to prevent the upper elastic sheet 3 from rotating around the optical axis a relative to the shell 2. Because last shell fragment 3 plays the linking effect of connecting carrier and shell, in the structure of this linking, utilize the unsmooth circumference limit structure of second to realize the circumference locking between shell 2 and last shell fragment 3 to further stabilize the circumference fixed stability between the two.
Utilize first unsmooth circumference limit structure and the unsmooth circumference limit structure's of second mutual synergism, can realize the accurate positioning of shell and carrier to reach the fixed purpose in accurate location, still improved the production productivity simultaneously.
Preferably, the housing 2 of the present embodiment is a circular ring-shaped housing. The housing 2 is made of a magnetically conductive material.
Specifically, as shown in fig. 2 and fig. 4 to 6, the first concave-convex circumferential limiting structure of the present embodiment includes at least one first lower protrusion 20 disposed at the inner top of the housing 2, and the carrier 1 is provided with first limiting grooves 10 into which the first lower protrusions 20 are respectively inserted.
The first lower protrusion 20 is clamped in the first limiting groove 10 to realize circumferential locking.
The first lower protrusions 20 are two in number and symmetrically distributed about the optical axis a. The two first lower protrusions 20 are distributed along the Y-axis.
Next, the first lower protrusion 20 is provided at the inner top edge of the housing 2, and the first limiting recess 10 is provided at the outer edge of the carrier 1.
Also, a first lower groove 21 is formed at the outer top edge of the housing 2 to correspond to the first lower protrusion 20. Preferably, the first lower protrusion 20, the first lower groove 21 and the housing 2 are integrally formed, for example, by molding or the like.
Besides the circumferential locking function of the first lower protrusion 20, the circumferential structural strength of the housing 2 can be enhanced, and the first lower groove 21 can facilitate the machining and forming of the first lower protrusion 20.
Of course, the first concave-convex circumferential limiting structure can also be the reverse arrangement of the above structure, i.e. the positions of the first lower protrusion 20 and the first limiting groove 10 are reversed.
Specifically, as shown in fig. 2 and fig. 4 to 6, the second concave-convex circumferential limiting structure of the present embodiment includes at least one second lower protrusion 22 disposed at the inner top of the housing 2, and a second limiting groove 31 for the second lower protrusions 22 to be clamped into is disposed on the outer ring 30 of the upper elastic sheet 3. Of course, the structure of the second concave-convex circumferential limiting structure can be the reverse of the structure, i.e. the positions of the second lower protrusion 22 and the second limiting groove 31 are reversed.
The second lower protrusion 22 and the second limiting groove 31 realize directional assembly and circumferential locking limiting.
Secondly, the groove bottom of the second limiting groove 31 is a straight-edge groove bottom, and the second lower protrusion 22 has a straight-edge side surface matched with the straight-edge groove bottom, so that the circumferential locking purpose can be achieved. The second stopper groove 31 has a groove width larger than the outer diameter of the second lower protrusion 22 to facilitate the assembly of the two.
The second lower protrusion 22 is clamped in the second limiting groove 31 to realize circumferential locking.
The second lower protrusions 22 are two and are symmetrically distributed about the optical axis a. The two second lower protrusions 22 are distributed along the X-axis, and can be offset from the first lower protrusion 20, so as to improve the manufacturing efficiency and the structural layout.
The second lower protrusion 22 is disposed at the top edge of the inside of the housing 2, and the second limiting groove 31 is disposed at the outer edge of the carrier 1. The second lower projection 22 may also provide structural reinforcement to the housing 2.
A second lower groove 23 corresponding to the second lower protrusion 22 is formed at the outer top edge of the housing 2. The second lower groove 23 is designed to facilitate the manufacture of the second lower projection 22 in a manner consistent with the first lower projection described above.
The outer edge of the inner top of the shell 2 is also provided with a third lower protrusion 24, and the outer ring 30 of the upper elastic sheet 3 is fixed on the third lower protrusion 24, so that a space is formed between the upper elastic sheet 3 and the inner top surface of the shell 2.
The housing 2, the second lower protrusion 22, and the third lower protrusion 24 are integrally formed to improve structural strength and production efficiency, as well as manufacturing accuracy.
The outer top edge of the housing 2 is provided with third lower grooves 25 corresponding to the third lower protrusions 24, the outer edge of each third lower groove 25 is provided with a second lower groove 23, the outer edge of each third lower protrusion 24 is provided with a second lower protrusion 22, and the third lower grooves 25 are designed to facilitate the processing and manufacturing of the third lower protrusions 24.
In the present embodiment
The outer ring 30 of the upper elastic sheet 3 is connected with the third lower bulge 24 at the top in the shell 2, and the inner ring of the upper elastic sheet 3 is connected with the upper end surface of the carrier 1 so as to support and fix the upper end of the carrier.
Example two
As shown in fig. 2 and fig. 4 to 6, the present embodiment provides a lens driving apparatus including a base 4; preferably, the base 4 of the present embodiment is a circular ring base so as to be matched with the housing 2 of the first embodiment.
A housing 2 fastened on the base 4;
the carrier 1 is used for carrying a lens, and the carrier 1 is arranged in a cavity formed by the base 4 and the shell 2 in a surrounding way through an upper elastic sheet 3 and a lower elastic sheet 5;
a driving component 6 for driving the carrier 1 to move along the optical axis a;
the first concave-convex circumferential limiting structure of the first embodiment is connected to the carrier 1 and the shell 2 so as to prevent the carrier 1 from rotating around the optical axis a relative to the shell 2;
the second concave-convex circumferential limiting structure according to the first embodiment is connected to the housing 2 and the upper elastic sheet 3 so as to prevent the upper elastic sheet 3 from rotating around the optical axis a relative to the housing 2.
Specifically, the driving assembly 6 of this embodiment includes a plurality of driving magnets 60 fixed to the inner side wall of the housing 2, the driving magnets 60 are located below the third lower protrusion 24, the outer ring 30 of the upper spring plate 3 is fixed between the driving magnets 60 and the third lower protrusion 24, a driving coil 61 is sleeved on the carrier 1, and the driving magnets 60 are distributed outside the driving coil 61.
The outer race 30 is fixed between the drive magnet 60 and the third lower projection 24, and the fixing stability of the outer race 30 can be further improved.
Preferably, the driving magnets 60 of the present embodiment have four pieces and are in an arch shape, the four pieces of driving magnets 60 are distributed in a circle, and the driving magnets 60 and the driving coil 61 cooperate with the driving carrier to move along the optical axis a, so as to achieve the purpose of focusing.
Second, the coil of this embodiment supplies power after being conducted with the power supply through the lower elastic sheet.
In addition, a third concave-convex circumferential limiting structure is arranged between the base 4 and the shell 2 and used for preventing the base 4 and the shell 2 from rotating circumferentially mutually. Of course, for the purpose of axial positioning, an annular shoulder is provided at the lower end of the outer wall of the base 4, the housing 2 being fitted outside the base 4 and the lower end face being in contact with the annular shoulder.
Specifically, the third concave-convex circumferential limiting structure of the present embodiment includes at least one third upper concave limiting groove 26 disposed on the lower end surface of the side portion of the housing 2, a third upper limiting protrusion 40 corresponding to the third upper concave limiting groove 26 one to one is disposed on the outer wall of the base 4, and the third upper limiting protrusion 40 is clamped in the third upper concave limiting groove 26. Preferably, the number of the third upper concave limiting grooves 26 is two, the number of the third upper limiting protrusions 40 is two, and the third upper concave limiting grooves 26 and the third upper limiting protrusions 40 are matched one by one to realize circumferential locking, so that mutual rotation is prevented, and meanwhile, the design can play a role in accurate positioning, namely directional assembly.
In addition, still be equipped with a plurality of glue storage groove 41 that are the circumference and distribute at base 4 outer wall, glue storage groove 41 is vertical groove to glue storage groove 41's groove depth from the top down reduces gradually, and glue storage groove 41's upper end and external intercommunication, and glue storage groove 41's lower extreme extension to annular shoulder side top, glue storage groove 41 in add glue and this glue links firmly with the inside wall of shell 2. This design may further reinforce the strength of the connection between the base plate 4 and the housing.
In the present embodiment
The driving coil is electrified and then matched with the driving magnet, and the carrier is driven to move on the optical axis under the action of Lorentz force, so that the focusing purpose is achieved.
EXAMPLE III
Based on the second embodiment, as shown in fig. 7, this embodiment provides an image pickup apparatus having the lens driving apparatus described in the third embodiment and carrying a lens. The image pickup device is, for example, an image pickup module.
Example four
Based on the third embodiment, as shown in fig. 8, the present embodiment provides an electronic apparatus having the image pickup device described in the third embodiment. Electronic devices such as cell phones and the like.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (15)
1. Shell fragment and shell coupling mechanism includes:
the shell (2) is sleeved outside the carrier (1);
the upper elastic sheet (3) is used for connecting the carrier (1) and the shell (2); its characterized in that, this coupling mechanism still includes:
the concave-convex circumferential limiting structure of the second is connected to the shell (2) and the upper elastic sheet (3) so as to prevent the upper elastic sheet (3) from rotating around the optical axis (a) relative to the shell (2).
2. The shrapnel and shell connecting mechanism according to claim 1, wherein the second concave-convex circumferential limiting structure comprises at least one second lower protrusion (22) arranged at the inner top of the shell (2), and a second limiting groove (31) for the second lower protrusion (22) to be clamped in is arranged on the outer ring (30) of the upper shrapnel (3).
3. A resilient plate and housing connection according to claim 2, wherein the second lower projections (22) are two and symmetrically distributed about the optical axis (a).
4. The connecting mechanism of a resilient piece and a housing as claimed in claim 2, wherein the groove bottom of the second limiting groove (31) is a straight groove bottom, and the second lower protrusion (22) has a straight side surface matching with the straight groove bottom.
5. A spring and housing connection according to claim 4, wherein the second lower projection (22) is provided at the inner top edge of the housing (2), and the second limit groove (31) is provided at the outer edge of the carrier (1).
6. A resilient plate and housing connection according to claim 5, wherein the outer top edge of the housing (2) is provided with a second lower groove (23) corresponding to the second lower protrusion (22).
7. The shrapnel and shell connecting mechanism according to claim 6, characterized in that the outer edge of the inner top of the shell (2) is provided with a third lower protrusion (24), and the outer ring (30) of the upper shrapnel (3) is fixed on the third lower protrusion (24) so that the upper shrapnel (3) forms a space with the inner top surface of the shell (2).
8. A resilient plate and housing connection according to claim 7, wherein the housing (2) is provided at its outer top edge with third lower recesses (25) corresponding to the third lower projections (24), each third lower recess (25) being provided at its outer edge with a second lower recess (23), and each third lower projection (24) being provided at its outer edge with a second lower projection (22).
9. A lens driving device including a base (4);
a shell (2) buckled on the base (4);
the carrier (1) is used for carrying the lens, and the carrier (1) is arranged in a cavity formed by the base (4) and the shell (2) in a surrounding manner through the upper elastic sheet (3) and the lower elastic sheet (5);
a drive assembly (6) for driving the carrier (1) to move along an optical axis (a); it is characterized in that the device further comprises:
the second concave-convex circumferential limiting structure is connected to the shell (2) and the upper elastic sheet (3) so as to prevent the upper elastic sheet (3) from rotating around the optical axis (a) relative to the shell (2).
10. The lens driving device according to claim 9, wherein the driving assembly (6) includes a plurality of driving magnets (60) fixed on an inner side wall of the housing (2), the driving magnets (60) are located below the third lower protrusion (24), an outer ring (30) of the upper spring (3) is fixed between the driving magnets (60) and the third lower protrusion (24), a driving coil (61) is sleeved on the carrier (1), and the driving magnets (60) are distributed outside the driving coil (61).
11. The lens driving device as claimed in claim 10, wherein a third concave-convex circumferential limiting structure is disposed between the base (4) and the housing (2) for preventing the base (4) and the housing (2) from rotating circumferentially relative to each other.
12. The lens driving device as claimed in claim 11, wherein the third concave-convex circumferential limiting structure comprises at least one third upper concave limiting groove (26) disposed on the lower end surface of the side portion of the housing (2), and third upper limiting protrusions (40) corresponding to the third upper concave limiting grooves (26) are disposed on the outer wall of the base (4), and the third upper limiting protrusions (40) are engaged in the third upper concave limiting grooves (26).
13. The lens driving device according to claim 12, wherein the outer wall of the base (4) is further provided with a plurality of glue storage grooves (41) distributed circumferentially, and glue is added into the glue storage grooves (41) and is fixedly connected with the inner side wall of the housing (2).
14. An image pickup apparatus having the lens driving apparatus according to any one of claims 9 to 13.
15. An electronic apparatus having the imaging device according to claim 14.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121179276.2U CN217156904U (en) | 2021-05-29 | 2021-05-29 | Shell fragment and shell coupling mechanism, lens drive, camera device and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121179276.2U CN217156904U (en) | 2021-05-29 | 2021-05-29 | Shell fragment and shell coupling mechanism, lens drive, camera device and electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217156904U true CN217156904U (en) | 2022-08-09 |
Family
ID=82659230
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121179276.2U Active CN217156904U (en) | 2021-05-29 | 2021-05-29 | Shell fragment and shell coupling mechanism, lens drive, camera device and electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217156904U (en) |
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2021
- 2021-05-29 CN CN202121179276.2U patent/CN217156904U/en active Active
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