CN215181147U

CN215181147U - Drive module, camera device and electronic equipment

Info

Publication number: CN215181147U
Application number: CN202121464348.8U
Authority: CN
Inventors: 袁斌; 靖二勇
Original assignee: New Shicoh Motor Co Ltd
Current assignee: New Shicoh Motor Co Ltd
Priority date: 2021-06-29
Filing date: 2021-06-29
Publication date: 2021-12-14
Anticipated expiration: 2031-06-29

Abstract

The utility model provides a driving module, a camera device and an electronic device, wherein the driving module comprises a shell and a base connected with the shell, the upper end surface of the shell is provided with a central through hole, a carrier is arranged in the central through hole, and the driving module also comprises an upper elastic sheet arranged between the shell and the carrier; the upper elastic sheet comprises a supporting part and an elastic part elastically connected with the supporting part, the supporting part is provided with a positioning hole, and one side of the shell facing the upper elastic sheet is provided with a positioning structure corresponding to the positioning hole. Through increase the location structure who is used for spacing last shell fragment on the shell, realize going up the location between shell fragment and the shell, it is specific, through the locating hole that sets up on the last shell fragment supporting part and the accurate location structure who sets up on the shell pair, avoided going up between shell fragment and the shell because there is size tolerance and take place the drunkenness, it has size tolerance to have between the overall dimension of well shell fragment and the shell internal dimension among the prior art to have solved, lead to the shell fragment to put into the technical problem of the unable accurate location of back.

Description

Drive module, camera device and electronic equipment

Technical Field

The utility model relates to a camera technical field, in particular to drive module, camera device and electronic equipment.

Background

With the continuous development and progress of the technology level, the requirement of consumers for the imaging quality of portable digital products (such as smart phones and tablet computers) is higher and higher, and the voice coil motor is one of the important components.

The voice coil motor is used for realizing automatic zooming, mainly comprises a base, a shell and a carrier arranged in the shell, the carrier is connected with the shell through an upper elastic sheet and used for resetting the carrier after the carrier moves axially relative to the shell, the carrier is connected with the base through a lower elastic sheet, and the lower elastic sheet is connected with a power supply to drive the carrier to move axially.

In the prior art, when the upper elastic sheet is placed into the shell for fixation, in order to place the upper elastic sheet, the size tolerance exists between the external dimension of the upper elastic sheet and the internal dimension of the shell, and the upper elastic sheet cannot be accurately positioned after being placed.

SUMMERY OF THE UTILITY MODEL

Based on this, the utility model aims at providing a drive module, camera device and electronic equipment for there is size tolerance between the overall dimension of solving prior art middle and upper shell fragment and the shell internal dimension, leads to the shell fragment to put into the technical problem of the unable accurate location in back.

The application provides a driving module on one hand, which comprises a shell and a base connected with the shell, wherein a central through hole is formed in the upper end face of the shell, a carrier is arranged in the central through hole, and the driving module further comprises an upper elastic sheet arranged between the shell and the carrier;

the upper elastic sheet comprises a supporting part and an elastic part elastically connected to the supporting part, a positioning hole is formed in the supporting part, a positioning structure corresponding to the positioning hole is arranged on one side, facing the upper elastic sheet, of the shell, and the upper elastic sheet is connected to the shell through the positioning hole and the positioning structure in a matched mode.

Above-mentioned drive module, be used for spacing location structure who goes up the shell fragment through increasing on the shell, location between shell fragment and the shell is gone up in the realization, there is size tolerance in the last shell fragment of having replaced among the traditional drive module to install behind the shell, lead to the scheme that both can the drunkenness, it is concrete, location structure that sets up on locating hole and the shell through setting up on the shell fragment supporting part is accurate pairs, it takes place the drunkenness because there is size tolerance between shell fragment and the shell to have avoided going up, it has size tolerance to have between the overall dimension of middle and upper shell fragment in the prior art and the shell internal dimension to have solved, lead to the shell fragment to put into the technical problem of the unable accurate location after.

Further, in the above driving module, at least two of the supporting portions are disposed around the edge of the elastic portion.

Further, in the above driving module, the positioning structure is a limiting block, and the shape of the limiting block is consistent with the shape of the positioning hole.

Furthermore, in the above driving module, the limiting block is in a shape of a long strip.

Furthermore, in the above driving module, a protrusion extends from one end of the limiting block, which faces the center of the upper elastic sheet.

Further, in the above driving module, a plurality of bearing platforms are disposed in the housing.

Further, in the above driving module, the number of the bearing platforms is 4, and the 4 bearing platforms are respectively disposed at corner positions in the housing.

Further, in the above driving module, the supporting portion is connected to the supporting platform, and the elastic portion is connected to the top end of the carrier.

On the other hand, the application also provides a camera device, which comprises the driving module in the technical scheme.

Another aspect of the present application further provides an electronic device, including the image capturing apparatus in the foregoing technical solution.

Drawings

Fig. 1 is a schematic structural view of a driving module according to a first embodiment of the present invention;

fig. 2 is an exploded perspective view of a driving module according to a first embodiment of the present invention;

fig. 3 is an exploded view of the upper spring plate and the housing according to the first embodiment of the present invention;

FIG. 4 is a schematic structural view of a stopper according to a first embodiment of the present invention;

fig. 5 is an assembly view of the upper spring plate and the housing according to the first embodiment of the present invention;

FIG. 6 is an enlarged view of a portion of the portion A of FIG. 5;

fig. 7 is a schematic structural view of a limiting block in a second embodiment of the present invention;

description of the main element symbols:

outer casing	10	Bearing platform	11
				Limiting block	110	Projection	111
Base seat	20	Carrier	30
				Coil	31	Lower spring plate	41
Upper spring plate	42	Supporting part	421
				Elastic part	422	Locating hole	423

The following detailed description of the invention will be further described in conjunction with the above-identified drawings.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. Several embodiments of the invention are given in the accompanying drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Please refer to fig. 1 to 6, which are illustrations of a driving module according to a first embodiment of the present invention, in a three-dimensional XYZ rectangular coordinate system, the driving module includes a housing 10 and a base 20 connected to the housing 10, an upper end surface of the housing 10 is provided with a central through hole, a carrier 30 is disposed in the central through hole, and the driving module further includes an upper elastic sheet 42 disposed between the housing 10 and the carrier 30;

the upper elastic sheet 42 comprises a supporting portion 421 and an elastic portion 422 elastically connected to the supporting portion 421, the supporting portion 421 is connected to the elastic portion 422 through an elastic wire, a mounting hole for connecting the carrier 30 is formed in the middle of the elastic portion 422, a positioning hole 423 is formed in the supporting portion 421, a positioning structure corresponding to the positioning hole 423 is formed in one side, facing the upper elastic sheet 42, of the housing 10, and the upper elastic sheet 42 is combined with the positioning structure through the positioning hole 423 to be positioned on the housing 10.

Specifically, the supporting portions 421 are at least two and surround the edge of the elastic portion 422. In this embodiment, the upper elastic sheet 42 is composed of an elastic portion 422 and 4 supporting portions 421 surrounding the elastic portion 422, and the 4 supporting portions 421 are symmetric to each other on the upper elastic sheet 42, and are matched with the positioning structure on the housing 10 through the positioning holes 423 formed on the 4 supporting portions 421, so that the upper elastic sheet 42 and the housing 10 are stable and integrated, and the play caused by the dimension tolerance is avoided.

But not limited to this, the number of the supporting portions 421 may also be two, the centers of the elastic pieces 42 above the two supporting portions 421 are symmetrical, and the positioning holes 423 on the two supporting portions 421 are matched with the connecting positioning structures, so that the positioning effect is achieved, the material cost and the processing cost are also saved, and the assembly process of the upper elastic piece 42 is more convenient.

Referring to fig. 4, in the first embodiment of the present invention, the positioning structure is a stopper 110, and the shape of the positioning hole 423 is the same as the shape of the stopper 110. A protrusion 111 extends outwards from one end of the limiting block 110 facing the center of the upper resilient piece 42. Specifically, protruding 111 extends towards the one end of the centre of a circle of last shell fragment 42 towards both sides at stopper 110, protruding 111 perpendicular to stopper 110 for stopper 110 is "T" font, avoids between locating hole 423 and the stopper 110 because there is certain clearance because of processing reason, leads to going up shell fragment 42 and scurrying on the axis that the stopper 110 that two diagonal angles set up links to each other, has further strengthened the positioning strength between last shell fragment 42 and the shell 10.

Further, a plurality of bearing platforms 11 are arranged in the housing 10. The utility model discloses in the first embodiment, cushion cap 11 is 4, 4 cushion caps 11 are located respectively 4 diagonal departments in the shell 10, stopper 110 is located on the cushion cap 11, stopper 110 cooperation through setting up on the cushion cap 11 connects the locating hole 423 of going up shell fragment 42, borrows this design, can play the effect of support to the last shell fragment 42 of locating in the shell 10, has saved the support that is arranged in supporting shell fragment 42 in the special use of current voice coil motor, can reduce material cost, also can reduce the process, improves the whole assembly precision of product, and then promotes the yields.

Further, the support 421 is mounted on the platform 11, and the elastic 422 is mounted on the top end of the carrier 30. The bearing platforms 11 arranged at the 4 opposite corners of the inner cavity of the shell 10 enable the middle part of the inner cavity of the shell 10 to form a movable space for the carrier 30 to reciprocate. Specifically, the operating principle of the voice coil motor is as follows: the periphery of the carrier 30 is wound with a coil 31, a magnet is arranged in the shell 10 of the voice coil motor corresponding to the coil 31, when the lower elastic sheet 41 is connected with electricity to electrify the coil 31, the carrier 30 can generate a force moving in the moving space due to electromagnetic induction, so that zooming and focusing of the camera are realized; the specific moving distance is regulated and controlled according to the voltage, the upper end of the carrier 30 is positioned with the upper elastic sheet 42 for generating elasticity, when the coil 31 is electrified, the supporting plate of the upper elastic sheet 42 is limited by the bearing platform 11, the elastic part 422 is connected with the carrier 30 to move in the moving space, and it is ensured that when the coil 31 is not electrified, the carrier 30 can be restored to the initial horizontal position under the elastic action of the elastic part 422, and further, the positioning structure is adopted to enable the upper elastic sheet 42 to be more stable when resetting.

To sum up, the utility model discloses drive module in the middle of the above-mentioned embodiment, be used for spacing location structure of going up the shell fragment through increasing on the shell, realize going up the location between shell fragment and the shell, there is size tolerance in the shell after installing in having replaced last shell fragment among the traditional drive module, the scheme that leads to both can the drunkenness, it is concrete, the location structure who sets up on locating hole and the shell through going up the shell fragment supporting part is accurate pairs, avoided going up between shell fragment and the shell because there is size tolerance and take place the drunkenness, it has size tolerance to have between the overall dimension of the upper and lower shell fragment of prior art and the shell internal dimension to have solved, the technical problem that leads to the shell fragment to put into the unable accurate location of back.

Referring to fig. 7, a driving module according to a second embodiment of the present invention is different from the driving module according to the first embodiment in that: the limiting blocks 110 are in a long strip shape, the limiting blocks 110 face the center of the upper elastic sheet 42, and the included angles between the intersecting lines of the limiting blocks 110 arranged at 4 opposite angles and extending towards the center of the upper elastic sheet 42 are 90 degrees, so that the stability of the positioning structure is enhanced, and meanwhile, the manufacturing cost is simplified.

A third embodiment of the present invention provides a camera device, which includes the above technical solution.

A fourth embodiment of the present invention provides an electronic apparatus including the image pickup device according to the above-described aspect.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A drive module comprises a shell and a base connected with the shell, wherein the upper end surface of the shell is provided with a central through hole, and a carrier is arranged in the central through hole;

2. The driving module according to claim 1, wherein the number of the supporting portions is at least two, and the supporting portions surround an edge of the elastic portion.

3. The driving module according to claim 1, wherein the positioning structure is a stopper, and the shape of the stopper is identical to the shape of the positioning hole.

4. The drive module of claim 3, wherein the stop block is elongated.

5. The drive module as claimed in claim 3, wherein a protrusion extends from one end of the limiting block towards the center of the upper spring plate.

6. The drive module of claim 1, wherein a plurality of bearing platforms are disposed within the housing.

7. The drive module of claim 6, wherein the number of the bearing platforms is 4, and the 4 bearing platforms are respectively arranged at corner positions in the housing.

8. The drive module of claim 6, wherein the support portion is connected to the platform and the spring portion is connected to a top end of the carrier.

9. A camera device, characterized in that it comprises a drive module according to any one of claims 1 to 8.

10. An electronic apparatus characterized by comprising the image pickup device according to claim 9.