CN214755829U

CN214755829U - Magnetic element positioning spacer, lens drive, image pickup device, and electronic apparatus

Info

Publication number: CN214755829U
Application number: CN202121329255.4U
Authority: CN
Inventors: 袁斌; 罗来玉; 吴攀德
Original assignee: New Shicoh Motor Co Ltd
Current assignee: New Shicoh Motor Co Ltd
Priority date: 2021-06-15
Filing date: 2021-06-15
Publication date: 2021-11-16
Anticipated expiration: 2031-06-15

Abstract

The utility model belongs to the technical field of the motor of making a video recording, especially, relate to a magnetic element location gasket, lens drive, camera device and electronic equipment. The magnetic element positioning device solves the technical problems that the existing magnetic element is inaccurate in positioning and the like. The magnetic element positioning gasket comprises a gasket body; the gasket body is provided with at least two positioning columns; the magnetic element positioning groove is formed by two positioning columns which are positioned on the same side edge of the gasket body, and the magnetic element is limited in the magnetic element positioning groove. The utility model has the advantages that: utilize the reference column to carry out the position of tip face to magnetic element and prescribe a limit to, promptly, play benchmark location effect for magnetic element can accurate positioning, and improve the packaging efficiency, has reduced the disability rate in the assembling process by a wide margin, and can ensure magnetic thrust of magnetic element, prevent to lead to the less phenomenon of magnetic force with the coil dislocation.

Description

Magnetic element positioning spacer, lens drive, image pickup device, and electronic apparatus

Technical Field

The utility model belongs to the technical field of the motor of making a video recording, especially, relate to a magnetic element location gasket, lens drive, camera device and electronic equipment.

Background

In the camera module, a focusing motor is used for focusing.

And the focusing motor moves the lens carrier along the optical axis by utilizing the Lorentz force generated by the cooperation of the magnet and the coil.

The existing magnet is generally directly fixed on the corresponding inner wall surface of the magnetic conduction shell, although the structure is simplified, the structure is difficult to accurately position the magnet, so that reworking or deviation of the fixed position of the magnet is caused to influence the final magnetic thrust.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the above-mentioned problem, provide a magnetic element location gasket, lens drive, 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:

the magnetic element positioning gasket comprises a gasket body; the gasket body is of a square frame structure.

The gasket body is provided with at least two positioning columns;

the magnetic element positioning groove is formed by two positioning columns which are positioned on the same side edge of the gasket body, and the magnetic element is limited in the magnetic element positioning groove.

In the magnetic element positioning gasket, four positioning columns are provided, and two positioning columns are respectively arranged on each of two opposite side edges of the gasket body.

In the above-mentioned magnetic element positioning spacer, an axial length of the positioning post is equal to or less than an axial height of the magnetic element along the optical axis.

In the above-mentioned magnetic element positioning gasket, the positioning post has an inner flush surface flush with the inner wall surface of the gasket body.

In the above-mentioned magnetic element positioning gasket, the positioning post has an outer vertical surface located inside the outer wall surface of the gasket body.

In the above-mentioned magnetic element positioning gasket, a chamfer is provided at a point of each positioning post away from the gasket body.

In the magnetic element positioning gasket, the opposite inner side surfaces of the two positioning columns on the same side are contact flat surfaces so as to be matched with the end surfaces of the two ends of the magnetic element in an inosculating manner, and positioning is realized.

The gasket body and the positioning column are connected into an integral structure.

The utility model discloses further provide a lens drive arrangement, it has magnetic element location gasket.

The utility model discloses further provide a camera device, it has lens drive arrangement.

The utility model further provides an electronic equipment, it has camera device.

Compared with the prior art, the utility model has the advantages of:

utilize the reference column to carry out the position of tip face to magnetic element and prescribe a limit to, promptly, play benchmark location effect for magnetic element can accurate positioning, and improve the packaging efficiency, has reduced the disability rate in the assembling process by a wide margin, and can ensure magnetic thrust of magnetic element, prevent to lead to the less phenomenon of magnetic force with the coil dislocation.

Drawings

Fig. 1 is a schematic view of a longitudinal section structure of a gasket provided by the present invention.

Fig. 2 is an enlarged schematic view of a portion a in fig. 1.

Fig. 3 is an enlarged schematic view of B in fig. 4.

Fig. 4 is a schematic view of a gasket in a top view.

Fig. 5 is a schematic view illustrating a state in which the magnetic element is mounted in the gasket according to the present invention.

Fig. 6 is a schematic structural view of the gasket provided with the retaining wall.

Fig. 7 is a schematic view of the state in which fig. 5 is mounted in the housing.

Fig. 8 is a schematic structural diagram of a lens driving device provided by the present invention.

Fig. 9 is a schematic structural diagram of the image pickup apparatus provided by the present invention.

Fig. 10 is a schematic structural diagram of an electronic device provided by the present invention.

In the figure, a magnetic element positioning groove d0, a gasket body d1, an inner flush plane d10, an outer vertical surface d11, a chamfer d12, a contact flat surface d13 and a positioning column d 2.

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.

Example one

As shown in fig. 3, the magnetic element positioning spacer includes a spacer body d1, the spacer body d1 has a square frame structure and is manufactured by injection molding.

Next, a metal reinforcement is embedded inside the gasket body d1 to ensure the structural strength of the positioning gasket.

Further, the upper end face of the gasket body d1 is an upper plane, the lower end face of the gasket body d1 is a lower plane, the upper plane and the lower plane are parallel to each other, and when the gasket body d1 is installed, the upper end face of the gasket body d1 is attached to the inner top face of the housing.

As shown in fig. 1 to 5, the gasket further includes positioning pillars d2, which are at least two and are disposed on the gasket body d 1; utilize reference column d2 to carry out the position of end face to magnetic element and prescribe a limit to, promptly, play the benchmark location effect for magnetic element can accurate positioning, and improve the packaging efficiency, reduced the disability rate in the assembling process by a wide margin, and can ensure magnetic thrust of magnetic element, prevent to misplace with the coil and lead to the phenomenon that magnetic force is less.

The magnetic element is a bar-shaped block magnet.

The magnetic element positioning slot d0 is formed by two positioning posts d2 located on the same side of the gasket body d1, and the magnetic element is confined in the magnetic element positioning slot d 0. Furthermore, two ends of the magnetic element are respectively matched with the respective positioning posts d2 to play a positioning role.

Preferably, two positioning posts d2 on the same side have their facing inner side surfaces as contact flat surfaces so as to match with the end surfaces of the two ends of the magnetic element for positioning.

As shown in fig. 6, retaining walls d3 protruding to one side of the positioning column are respectively arranged on the other two sides to reinforce the structure and limit the movement of the carrier.

Preferably, as shown in fig. 1-4, there are four positioning posts d2 of the present embodiment, and two positioning posts d2 are respectively disposed on each of two opposite side edges of the gasket body d 1. Of course, the number of the positioning posts d2 can be set according to the number of the actual magnetic elements, for example, when there are three magnetic elements, the number of the positioning posts d2 is six, and when there are four magnetic elements, the number of the positioning posts d2 is eight, and when there are more than four positioning posts, the retaining wall d3 is correspondingly eliminated.

Preferably, the axial length of the positioning pillar d2 of the present embodiment is equal to or less than the height of the magnetic element along the axial direction of the optical axis. The height does not exceed the height of the magnetic element along the axial direction of the optical axis, which can facilitate the assembly of the magnetic element and prevent the positioning post d2 from being too high to cause unnecessary contact and even interference.

Preferably, each locating post d2 has an inner flush surface d10 flush with the inner wall surface of the gasket body d 1. So as to facilitate processing and manufacturing, and simultaneously, can also avoid the interference phenomenon.

Secondly, each positioning post d2 has an outer vertical surface d11 located inside the outer wall surface of the gasket body d1, that is, the outer vertical surface d11 of the positioning post d2 and the inner wall surface of the housing form a glue storage space, so as to further improve the fixing stability of the gasket.

In addition, the inner side surfaces of the two positioning columns d2 on the same side are contact flat surfaces d13, so that the two positioning columns d2 are matched with the end surfaces of the two ends of the magnetic element conveniently to realize positioning. The contact flat surface d13 enlarges the contact surface with the magnetic element, and when in assembly, the magnetic element can be accurately assembled in place by the surface-to-surface matching mode

In addition, a chamfer d12 is arranged at a point of each positioning post d2 far away from the gasket body d 1. The chamfer is any one of a bevel chamfer and a circular arc chamfer, which can facilitate the magnetic element to be clamped into the magnetic element positioning groove d0, and plays a guiding role.

In addition, in order to further enable the gasket to be more stably fixed to the housing, a dispensing notch is formed in the circumferential outer wall surface of the gasket body d 1.

In the present embodiment

The gasket body d1 is first fixed to the inner top outer edge of the housing and the top side of the inner wall surface thereof by using an adhesive or the like.

Then, two ends of the magnetic element are respectively faced to the respective positioning posts d2, and then the magnetic element is clamped in the magnetic element positioning slot d0, and for reinforcement, a glue layer is arranged between the outer surface of the magnetic element and the inner wall surface of the shell to fix the magnetic element.

Example two

According to the first embodiment, as shown in fig. 7 to 8, the present embodiment provides a lens driving device, which includes a housing, a base, a carrier disposed in a cavity formed by the housing and the base, and an electromagnetic driving mechanism for driving the carrier to move in an axial direction of an optical axis, wherein the electromagnetic driving mechanism includes a magnetic element and a coil, a magnetic element positioning pad described in the first embodiment is disposed at a bottom portion of the housing, and a magnet is fixed on the magnetic element positioning pad and conforms to an inner wall surface of the housing.

EXAMPLE III

Based on the second embodiment, as shown in fig. 9, the present embodiment provides an image pickup apparatus having the lens driving apparatus described in the second embodiment. Such as a module with a lens, etc.

Example four

Based on the third embodiment, as shown in fig. 10, the present embodiment provides an electronic apparatus having the image pickup device described in the third embodiment. Such as a cell phone or 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

1. Magnetic element positioning spacer, including the spacer body (d1), its characterized in that, this spacer still includes:

at least two positioning posts (d2) are arranged on the gasket body (d 1);

the magnetic element positioning slot (d0) is formed by two positioning posts (d2) located on the same side of the gasket body (d1), and the magnetic element is limited in the magnetic element positioning slot (d 0).

2. The magnetic component positioning spacer of claim 1, wherein there are four positioning posts (d2), and two positioning posts (d2) are disposed on each of two opposite sides of the spacer body (d 1).

3. The magnetic element positioning spacer as claimed in claim 1 or 2, wherein the positioning post (d2) has an axial length equal to or less than the height of the magnetic element along the axial direction of the optical axis.

4. The magnetic element positioning washer according to claim 1 or 2, characterized in that the positioning post (d2) has an inner flush plane (d10) flush with the inner wall surface of the washer body (d 1).

5. The magnetic component positioning spacer of claim 4 wherein the positioning post (d2) has an outer vertical surface (d11) located inside the outer wall surface of the spacer body (d 1).

6. The magnetic element positioning spacer of claim 1, wherein a chamfer (d12) is provided at a point of each positioning post (d2) away from the spacer body (d 1).

7. The magnetic element positioning spacer as claimed in claim 1 or 2, wherein two positioning posts (d2) on the same side have their facing inner side surfaces being contact flat surfaces (d13) so as to match with the end surfaces of the two ends of the magnetic element for positioning.

8. Lens driving device, characterized in that it has a magnetic element positioning pad according to any of claims 1 to 7.

9. An image pickup apparatus comprising the lens driving apparatus according to claim 8.

10. An electronic apparatus comprising the imaging device according to claim 9.