CN211603804U - Lens module and camera device - Google Patents
Lens module and camera device Download PDFInfo
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- CN211603804U CN211603804U CN201922326402.1U CN201922326402U CN211603804U CN 211603804 U CN211603804 U CN 211603804U CN 201922326402 U CN201922326402 U CN 201922326402U CN 211603804 U CN211603804 U CN 211603804U
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Abstract
The application provides a lens module and a camera device. The lens module comprises a lens barrel, a first lens, a shading group and a second lens, wherein the first lens, the shading group and the second lens are sequentially arranged in the lens barrel along the optical axis direction. The first lens and the second lens are both non-circular lenses. The first lens comprises a first optical area and a first fixing area, the first lens is provided with a first limiting part in the first fixing area, the second lens comprises a second optical area and a second fixing area, and the second lens is provided with a second limiting part in the second fixing area. The shading group comprises at least two shading pieces which are arranged in a split mode. The first matching part and the second matching part are arranged on the shading piece, the first matching part is connected with the first limiting part in a clamping mode, and the second matching part is connected with the second limiting part in a clamping mode, so that the connection stability between the shading piece and the first lens and the connection stability between the shading piece and the second lens are improved, and the imaging quality of the lens module is improved.
Description
Technical Field
The application relates to the technical field of camera shooting, in particular to a lens module and a camera shooting device.
Background
A lens module in an image capturing device generally includes a lens and a light shielding member. The shading part is used for shading redundant light rays and reducing the influence of stray light on imaging. A common assembling structure of a lens module is to provide a receiving structure or a positioning boss on a lens barrel for positioning and assembling a lens. The light blocking part is generally directly stacked on the lens and is limited by matching the outer diameter of the light blocking part with the inner diameter of the lens barrel. Therefore, the precision of the shading part in the assembly of the lens module is not high, and the imaging quality of the lens module is affected.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the embodiments of the present application is to provide a lens module capable of improving assembling precision and imaging quality.
In order to achieve the purpose, the implementation mode of the application adopts the following technical scheme:
in a first aspect, an implementation manner of the present application provides a lens module, which includes a lens barrel, a first lens, a light shielding group, and a second lens, wherein the first lens, the light shielding group, and the second lens are sequentially disposed in the lens barrel along an optical axis direction, the first lens and the second lens are non-circular lenses, the first lens includes a first optical area and a first fixing area disposed around the first optical area, the first lens is disposed in the first fixing area and provided with a first limiting portion, the second lens includes a second optical area and a second fixing area disposed around the second optical area, the second lens is disposed in the second fixing area and provided with a second limiting portion, the light shielding group includes at least two light shielding members disposed in a split manner, the light shielding members are sandwiched between the first fixing area and the second fixing area, the light shielding members are provided with a first matching portion and a second matching portion, the first matching part is connected with the first limiting part in a clamping manner, and the second matching part is connected with the second limiting part in a clamping manner.
The non-circular shape of the lens increases the difficulty of assembling the lens and the shading part. The lens module that this application implementation mode provided, shading group includes the anti-dazzling screen that two at least components of a whole that can function independently set up, realizes that the anti-dazzling screen of shading group divides regional equipment in the lens module. The shading piece is connected with the first limiting part in a clamping mode through the first matching part and connected with the second limiting part in a clamping mode through the second matching part, the first limiting part and the second limiting part can guide the shading piece to be assembled on the lens module, the assembling precision of the lens module with the non-circular lens is improved, and the imaging quality of the lens module is improved. In addition, the first limiting part and the second limiting part limit the light shading piece, so that the stability and the reliability between the light shading piece and the first lens and the stability and the reliability between the light shading piece and the second lens are improved.
In a possible implementation manner, the first position-limiting portion includes a recess, the first engaging portion includes a protrusion disposed toward the first lens, the protrusion of the first engaging portion is received in the recess of the first position-limiting portion, and/or the first position-limiting portion includes a protrusion disposed toward the light-shielding member, and the first engaging portion includes a recess receiving the protrusion of the first position-limiting portion.
The first limiting part and the first matching part form a clamping matching structure through the recess and the protrusion, so that the structure of the first lens and the shading piece is simplified, and the first lens and the shading piece are convenient to prepare.
In a possible implementation manner, the first lens further includes a first engaging portion, the first engaging portion is disposed on the side wall of the first limiting portion, the light-shielding member further includes a first fastening portion, the first fastening portion is disposed on the side wall of the first matching portion, the first engaging portion is clamped and connected with the first fastening portion, the possibility of looseness between the first lens and the light-shielding member is reduced, and the connection stability between the first lens and the light-shielding member is further improved.
In a possible implementation manner, the second position-limiting portion includes a recess, the second engaging portion includes a protrusion disposed toward the second lens, the protrusion of the second engaging portion is received in the second position-limiting portion, and/or the second position-limiting portion includes a protrusion disposed toward the light-shielding member, and the second engaging portion includes a recess receiving the protrusion of the second position-limiting portion.
The second limiting part and the second matching part form a clamping connection structure through the recess and the protrusion, so that the structure of the second lens and the shading piece is simplified, and the second lens and the shading piece are convenient to prepare.
In a possible implementation manner, the second lens further includes a second engaging portion, the second engaging portion is disposed on the side wall of the second limiting portion, the light-shielding member further includes a second fastening portion, the second fastening portion is disposed on the side wall of the second matching portion, the second engaging portion is clamped by the second fastening portion to be connected, so that the possibility of looseness between the second lens and the light-shielding member is reduced, and the connection stability between the second lens and the light-shielding member is further improved.
In a possible implementation manner, the first fixing area includes at least two first sub-fixing areas arranged at intervals along the edge of the first optical area, the first sub-fixing areas are provided with the first limiting portion, each light shielding member is arranged corresponding to one first sub-fixing area, and two adjacent light shielding members are arranged at intervals, that is, the first lens is matched with the light shielding member in a sub-area manner, so that the connection stability between the first lens and the light shielding member is further improved.
In a possible implementation manner, a boundary between the first optical region and the first sub-fixing region includes a first arc-shaped boundary, a center of the first arc-shaped boundary is located on the optical axis, and the first limiting portion and the first matching portion extend along the first arc-shaped boundary, or the first limiting portion and the first matching portion extend along a radial direction of a circle where the first arc-shaped boundary is located. The first limiting part and the first matching part extend along the first arc-shaped boundary to increase the contact surface of the first lens and the shading part, so that the connection stability of the first lens and the shading part is improved; the first limiting portion and the first matching portion extend along the radial direction of the circle where the first arc-shaped boundary is located. The first limiting portion and the first matching portion extend along the radial direction of the circle where the arc-shaped boundary is located, and the possibility that the light shading piece and the first lens are loosened in the radial direction is reduced.
In a possible implementation manner, the second fixing area includes at least two second sub-fixing areas arranged at intervals along the edge of the second optical area, the second sub-fixing areas are provided with the second limiting portion, each light shielding piece is arranged corresponding to one second sub-fixing area, two adjacent light shielding pieces are arranged at intervals, namely, the second lens is matched with the light shielding pieces in a sub-area mode, and the connection stability between the second lens and the light shielding pieces is further improved.
In a possible implementation manner, a boundary between the second optical region and the second sub-fixing region includes a second arc-shaped boundary, a center of the second arc-shaped boundary is located on the optical axis, the second limiting portion and the second matching portion extend along the second arc-shaped boundary, or the second limiting portion and the second matching portion extend along a radial direction of a circle where the second arc-shaped boundary is located. The second limiting part and the second matching part extend along the second arc-shaped boundary, so that the contact surface between the second lens and the shading piece is increased, and the connection stability of the second lens and the shading piece is improved; the second limiting part and the second matching part extend along the radial direction of the circle of the second arc-shaped boundary, and the possibility that the shading piece and the second lens are loosened in the radial direction is reduced.
In a second aspect, the present application further provides a camera device, which includes a device body and the lens module as described above, wherein the lens module is mounted on the device body.
The camera device that this application implementation provided, because first lens meets through the block with the piece that shades, the second lens meets through the block with the piece that shades, made things convenient for the equipment of the piece that shades in the camera lens module. In addition, first lens, second lens, the light-shading spare are injectd respective position each other, and difficult not hard up is favorable to improving the imaging quality of camera lens module, improves camera device's the quality of making a video recording.
Drawings
Fig. 1 is a schematic perspective view of an image pickup apparatus according to a first embodiment of the present application;
fig. 2 is a cross-sectional view of the lens module shown in fig. 1;
FIG. 3 is a schematic plan view of the first lens shown in FIG. 2;
FIG. 4 is a schematic plan view of the second lens shown in FIG. 2;
FIG. 5 is a schematic plan view of the shutter set shown in FIG. 2;
fig. 6 is an exploded schematic view of a lens module without a lens barrel according to a second embodiment of the present disclosure;
fig. 7 is a schematic view illustrating a first limiting portion of the first lens and a first matching portion of the light shielding member are in a square structure;
fig. 8 is a schematic view of the first limiting portion of the first lens and the first matching portion of the light shielding member being V-shaped;
fig. 9 is a schematic view of the first limiting portion of the first lens and the first matching portion of the light shielding member being arc-shaped;
FIG. 10 is an exploded view of the first lens and the light blocking member;
fig. 11 is an exploded view of a lens module according to a third embodiment with a lens barrel removed;
FIG. 12 is a schematic plan view of the first lens shown in FIG. 11;
FIG. 13 is a schematic plan view of the shutter set shown in FIG. 11;
fig. 14 is a cross-sectional view of a lens module according to a fourth embodiment of the present application.
Detailed Description
First embodiment
Referring to fig. 1, fig. 1 is a schematic perspective view of an image capturing device according to a first embodiment of the present disclosure. The imaging device 100 includes a device body 101 and a lens module 10 mounted on the device body 101. In this embodiment, the image capturing apparatus 100 is an electronic device with image capturing function, such as a smart phone, a smart watch, a tablet computer, a Personal Digital Assistant (PDA), a notebook computer, and an unmanned aerial vehicle.
Referring to fig. 2, fig. 2 is a cross-sectional view of the lens module shown in fig. 1. A lens module 10 includes a lens barrel 11, a first lens 13, a second lens 15 and a light shielding set 17, wherein the first lens 13, the light shielding set 17 and the second lens 15 are sequentially disposed in the lens barrel 11 along an optical axis direction.
More specifically, the lens barrel 11 is substantially cylindrical, and the lens barrel 11 is provided with a light transmitting region 111. In the present embodiment, the light-transmitting region 111 is a through hole.
The first lens 13 and the second lens 15 are both non-circular lenses. The first lens piece 13 includes a first optical area 131 and a first fixing area 133 disposed around the first optical area 131. The first optical region 131 is disposed corresponding to the light transmission region 111, and transmits light incident from the light transmission region 111. The first lens 13 has a first position-limiting portion 1335 in the first fixing area 133.
The second optic 15 includes a second optical area 151 and a second securing area 153 disposed about the second optical area 151. The optical axes of the first lens 13 and the second lens 15 are coaxial. The second optical region 151 is disposed corresponding to the light transmission region 111, and transmits light incident through the first optical region 131. The second lens element 15 has a second position-limiting portion 1535 in the second fixing region 153.
The light shielding set 17 is disposed between the first lens 13 and the second lens 15 for shielding the excessive light and reducing the influence of the stray light on the imaging of the lens module 10. The light shielding group 17 includes two light shielding members 171 which are separately provided. Each light shielding member 171 is sandwiched between the first fixing area 133 of the first lens 13 and the second fixing area 153 of the second lens 15. Each shading member 171 is provided with a first matching portion 1711 and a second matching portion 1713, the first matching portion 1711 is connected with the first limiting portion 1335 in a clamping way, and the second matching portion 1713 is connected with the second limiting portion 1535 in a clamping way. In this embodiment, the light shielding member 171 may be made of plastic material, and is easy to be injection molded, batch-wise implemented, and low in cost. It is to be understood that the material of the light shielding member 171 is not limited.
The first position-limiting portion 1335 is a recess, the first engaging portion 1711 is a protrusion protruding from the light-shielding member 171 toward the first lens 13, and the first engaging portion 1711 is received in the first position-limiting portion 1335. The first lens 13 and the light shielding member 171 form a limiting structure by the recess and the protrusion, so that the first lens 13 and the light shielding member 171 are mutually limited, and the structures of the first lens 13 and the light shielding member 171 are also simplified, thereby facilitating the preparation of the first lens 13 and the light shielding member 171.
The second position-limiting portion 1535 is a protrusion protruding toward the light-shielding member 171, the light-shielding member 171 of the second engaging portion 1713 is a recess, and the second position-limiting portion 1535 is accommodated in the second engaging portion 1713. The second lens 15 and the light shielding member 171 form a limiting structure by the recess and the protrusion, so that the second lens 15 and the light shielding member 171 are mutually limited, and the structures of the second lens 15 and the light shielding member 171 are also simplified, thereby facilitating the preparation of the second lens 15 and the light shielding member 171.
Referring to fig. 3, fig. 3 is a schematic plan view of the first lens shown in fig. 2. First fastening region 133 includes two first sub-fastening regions 1331 spaced along an edge of first optical region 131. In this embodiment, two first sub-fixing regions 1331 are respectively located at two sides of the first optical region 131 and are disposed oppositely, and each first sub-fixing region 1331 is provided with a first limiting portion 1335. The two first sub-fixing regions 1331 of the first fixing region 133 are not connected to each other.
The edge of the first sub-fixing region 1331 away from the first optical region 131 is an arc-shaped edge. The boundary between the first optical area 131 and the first sub-fixing area 1331 includes a first arc boundary 1333, the center of the first arc boundary 1333 is located on the optical axis of the first lens 13, and the first limiting portion 1335 and the first matching portion 1711 extend along the first arc boundary 1333, so as to increase the contact surface between the first lens 13 and the light shielding member 171, and improve the connection stability between the first lens 13 and the light shielding member 171.
Referring to fig. 4, fig. 4 is a schematic plan view of the second lens shown in fig. 2. The second fixing region 153 includes two second sub-fixing regions 1531 disposed at intervals along the edge of the second optical region 151. In this embodiment, two second sub-fixing regions 1531 are respectively located at two sides of the second optical region 151 and are disposed oppositely, and each second sub-fixing region 1531 is disposed corresponding to one first sub-fixing region 1331. The second sub-fixing region 1531 has a second position-limiting portion 1535. The two first sub-fixing regions 1531 of the second fixing region 153 are not connected to each other.
Similarly, the edge of the second sub-fixing region 1531 away from the second optical region 151 is an arc-shaped edge. The boundary between the second optical region 151 and the second sub-fixing region 1531 includes a second arc-shaped boundary 1533, and the center of the second arc-shaped boundary 1533 is located on the optical axis of the first lens 13. The second position-limiting portion 1535 and the second engaging portion 1713 extend along the second arc-shaped boundary 1533, so as to increase the contact surface between the second lens 15 and the light shielding member 17, and improve the connection stability between the second lens 15 and the light shielding member 171.
Referring to fig. 5, fig. 5 is a schematic plan view of the light shielding assembly shown in fig. 2. Each light shielding member 171 is sandwiched between one first sub-fixing region 1331 and one second sub-fixing region 1531, so that two light shielding members 171 of the light shielding group 17 are not in contact with each other, and adjacent light shielding members 171 are spaced apart from each other, that is, the light shielding group 17 is of a discontinuous structure. In this embodiment, the light shielding member 171 conforms to the shapes of the first fixing sub-region 1331 and the second sub-fixing region 1531, so as to be attached to the first lens 13 and the second lens 15, thereby achieving a good light shielding effect. It is understood that the shape and structure of the light shielding member 171 are not limited, and the first lens 13 and the second lens 15 may be spaced apart from each other to have a certain light shielding effect.
The non-circular shape of the lens increases the difficulty of assembling the lens and the shading part in the lens barrel. In the imaging device 100 and the lens module 10 thereof according to the embodiment of the present application, the light shielding set 17 is a discontinuous structure, that is, the light shielding set 17 includes at least two light shielding members 171 independent from each other, so that the light shielding members 171 of the light shielding set 17 are assembled in the lens module 10 in different areas, thereby facilitating the assembly of the first non-circular lens 13, the second non-circular lens 15 and the light shielding members 171. The light shielding member 171 is engaged with the first position-limiting portion 1335 through the first engaging portion 1711, and engaged with the second position-limiting portion 1535 through the second engaging portion 1713, and the first position-limiting portion 1335 and the second position-limiting portion 1535 can guide the assembly of the light shielding member 171 on the lens module 10, thereby improving the assembly precision of the lens module 10 with the non-circular lens and improving the imaging quality of the lens module 10. In addition, the first lens 13 limits the position of the light shielding member 171 through the first limiting portion 1335, so that the connection stability and reliability between the light shielding member 171 and the first lens 13 are improved; the second lens 15 is limited by the second limiting portion 1535, so that the connection stability and reliability between the light shielding member 171 and the second lens 15 are improved, the imaging quality of the lens module 10 is improved, and the shooting quality of the camera device 100 is improved.
It is to be understood that the number of the first sub-fixing regions 1331 in the first fixing region 133 is not limited, and the number of the first sub-fixing regions 1331 may be 2 or more; the first fixing area 133 may be a continuous area provided along the edge of the first optical area 131, the light blocking member 171 of the light blocking group 17 may be provided separately, and the first lens 13 may have a non-circular shape.
It is understood that the number of the second sub-fixing regions 1531 in the second fixing region 153 is not limited, and the number of the second sub-fixing regions 1531 may be 2 or more; the second fixing area 153 may be a continuous area provided along the edge of the second optical area 151, the light blocking member 171 of the light blocking group 17 may be provided separately, and the second lens 15 may have a non-circular shape.
It is understood that the lens module 10 may further include other lenses, such as a third lens, a fourth lens, and so on, and the lens module 10 further includes other light shielding groups, and so on, and one light shielding group is sandwiched between two adjacent lenses.
Second embodiment
Referring to fig. 6, a lens module 20 according to a second embodiment of the present application has substantially the same structure as the lens module 10 according to the first embodiment, but the first limiting portion 2335 of the first lens 23 is a protrusion, and the first engaging portion 2711 is a recess; the second position-limiting portion 2535 is a recess, and the second engaging portion 2713 is a protrusion formed by the light-shielding member 271 protruding toward the second lens 25.
It is understood that the cross-sectional structure of the first limiting portion 2335 is not limited, and the cross-sectional structure of the first mating portion 2711 is not limited, for example, the first limiting portion 2335 may be a square groove (as shown in fig. 7), and the first mating portion 2711 may be a square protrusion (as shown in fig. 7) received in the square groove; alternatively, the first limiting portion 2335 can be a V-shaped groove (as shown in fig. 8), and the first engaging portion 2711 can be a V-shaped protrusion (as shown in fig. 8) received in the V-shaped groove; alternatively, the first limiting portion 2335 can be an arc-shaped groove (as shown in fig. 9), and the first matching portion 1711 can be an arc-shaped protrusion (as shown in fig. 9) accommodated in the arc-shaped groove; alternatively, the first limiting portion 2335 includes a recess 2336 and a protrusion 2337, the first engaging portion 2711 includes a protrusion 2715 and a recess 2716, the protrusion 2715 of the first engaging portion 2711 is received in the recess 2336 of the first limiting portion 2335, the protrusion 2337 of the first engaging portion 2711 is received in the recess 1336 of the first limiting portion 2335, and so on. It should be noted that fig. 7-10 only exemplarily show a part of the structure of the first lens 23 and a part of the structure of the light shielding member 271, the rest of the structure of the first lens 23 is hidden, and the rest of the structure of the light shielding member 171 is hidden.
It is understood that the structure of the second position-limiting portion 2535 and the structure of the second engaging portion 2713 are not limited, for example, the second position-limiting portion 2535 may be a square groove, and the second engaging portion 2713 may be a square protrusion received in the square groove; alternatively, the second position-limiting portion 2535 may be a V-shaped groove, and the second engaging portion 2713 may be a V-shaped protrusion received in the V-shaped groove; alternatively, the second position-limiting portion 2535 may be an arc-shaped groove, or the second engaging portion 2713 may be an arc-shaped protrusion received in the arc-shaped groove; still alternatively, the second stopper portion 2535; alternatively, the second position-limiting portion 2535 includes a recess and a protrusion, the second engaging portion 2713 includes a protrusion and a recess, the protrusion of the second engaging portion 2713 is received in the recess of the second position-limiting portion 2535, the protrusion of the second position-limiting portion 2535 is received in the recess of the second engaging portion 2713, and so on.
Third embodiment
The lens module provided in the third embodiment of the present application has substantially the same structure as the lens module 10 provided in the first embodiment, please refer to fig. 11, fig. 11 is an exploded schematic view of the lens module provided in the third embodiment with the lens barrel removed, which is different in that a first spacing portion 3335 is disposed at an interval on the first fixing area 333 on a side of the first lens 33 facing the light shielding element 371, a second spacing portion 3535 is disposed at an interval on the second fixing area 353 on a side of the second lens 35 facing the light shielding element 371, a first mating portion 3711 is disposed at an interval on a side of the light shielding element 371 facing the first lens 33, a second mating portion 3713 is disposed at an interval on a side of the light shielding element 371 facing the second lens 35, the first spacing portion 3335 and the second spacing portion 3535 are both grooves, and the first mating portion 3711 and the second mating portion 3713 are both protrusions.
Referring to fig. 12, fig. 12 is a schematic plan view of the first lens shown in fig. 11, the number of the first position-limiting portions 3335 on the first lens 33 is two, the two first position-limiting portions 3335 are spaced apart from the edge of the first optical area 331 along the first fixing sub-area 3331, and each first position-limiting portion 3335 extends along the radial direction of the circle where the first arc-shaped boundary 3333 is located, so as to improve the engagement degree of the light-shielding member 371 and the first lens 33 in the radial direction, so that the light-shielding member 371 is not easy to loosen in the radial direction. The light shielding member 37 has a first engaging portion 371 corresponding to the first position-limiting portion 3335, and the first engaging portion 3711 extends along the radial direction of the circle of the first arc-shaped boundary 3333.
Referring to fig. 13, fig. 13 is a schematic plan view of the light shielding assembly shown in fig. 11. The light blocking member shown in fig. 13 is illustrated on the side of the first engagement portion 3711, and the first engagement portion 3711 extends in a direction substantially parallel to the radial direction of the circle on which the first arc-shaped boundary 3333 is located.
It is to be understood that the number of the first position-limiting portions 3335 is not limited, and the number of the first fitting portions 3711 is not limited.
The second lens 35 has a similar structure to the first lens 33, the second fitting portion 3713 of the light-shielding member 371 has a similar structure to the first fitting portion 3711, the number of the second position-limiting portions 3535 on the second lens 35 is two, the two second position-limiting portions 3535 are spaced apart from the edge of the second optical area 351 along the second fixing sub-area (not shown), and each second position-limiting portion 3535 extends along the radial direction of the circle where the second arc-shaped boundary (not shown) is located, so that the fitting degree of the light-shielding member 371 and the second lens 35 in the radial direction is improved, and the light-shielding member 371 is not easy to loosen in the radial direction.
Fourth embodiment
Referring to fig. 14, fig. 14 is a cross-sectional view of a lens module according to a fourth embodiment of the present disclosure, in which a lens module 50 according to the fourth embodiment of the present disclosure has substantially the same structure as the lens module 10 according to the first embodiment, but the first lens 53 further includes a first engaging portion 5337, and the first engaging portion 5337 is disposed on a side wall of the first position-limiting portion 5335; the light shielding sheet 57 further includes a first fastening portion 5717, the first fastening portion 5717 is disposed on the sidewall of the first matching portion 571, and the first fastening portion 5337 is fastened to the first fastening portion 5717, so as to further improve the connection accuracy and connection stability between the first lens 53 and the light shielding member 57. In this embodiment, the first position-limiting portion 5335 is a recess, the first engaging portion 5337 is a protrusion protruding from a sidewall of the first position-limiting portion 5335, and the first fastening portion 5717 is a recess disposed on a sidewall of the first engaging portion 571.
It can be understood that the first engaging portion 5337 can be a recess disposed on a sidewall of the first position-limiting portion 5335, and the first fastening portion 5717 can be a protrusion disposed on a sidewall of the first mating portion 571; or, the first engaging portion 5337 includes a recess and a protrusion disposed on the side wall of the first position-limiting portion 5335, the first fastening portion 5717 includes a protrusion and a recess disposed on the side wall of the first matching portion 571, the recess of the first engaging portion 5337 is engaged with the protrusion of the first fastening portion 5717, and the protrusion of the first engaging portion 5337 is engaged with the recess of the first fastening portion 5717.
The second lens 55 further includes a second engaging portion 5537, and the second engaging portion 5537 is disposed on a sidewall of the second position-limiting portion 5535; the light shielding sheet 57 further includes a second fastening portion 5719, the second fastening portion 5719 is disposed on the sidewall of the second matching portion 577, and the second fastening portion 5537 is fastened to the second fastening portion 5719, so as to further improve the connection accuracy and connection stability between the second lens 55 and the light shielding member 57. In this embodiment, the second stopper portion 5535 is a recess, the second engagement portion 5537 is a projection projected from the second stopper portion 5535, and the second engagement portion 5719 is a recess formed in a side wall of the second engagement portion 573.
It is understood that the second engaging portion 5537 can be a recess formed on a sidewall of the second position-limiting portion 5535, and the second fastening portion 5719 can be a protrusion formed on a sidewall of the second mating portion 577; alternatively, the second engaging portion 5537 includes a recess and a protrusion disposed on a side wall of the second limiting portion 5535, the second fastening portion 5719 includes a protrusion and a recess disposed on a side wall of the second engaging portion 573, the recess of the second engaging portion 5537 is engaged with the protrusion of the second fastening portion 5719, and the protrusion of the second engaging portion 5537 is engaged with the recess of the second fastening portion 5719.
Claims (10)
1. A lens module is characterized by comprising a lens barrel, a first lens, a shading group and a second lens, wherein the first lens, the shading group and the second lens are sequentially arranged in the lens barrel along an optical axis direction, the lens barrel is provided with a light transmission area, the first lens and the second lens are non-circular lenses, the first lens comprises a first optical area and a first fixed area which are arranged in a connecting manner, the first lens is provided with a first limiting part in the first fixed area, the second lens comprises a second optical area and a second fixed area which are arranged in a connecting manner, the second lens is provided with a second limiting part in the second fixed area, the first optical area and the second optical area are arranged corresponding to the light transmission area, the shading group comprises at least two shading pieces which are arranged in a split manner, and the shading pieces are clamped between the first fixed area and the second fixed area, the light shading piece is provided with a first matching part and a second matching part, the first matching part is connected with the first limiting part in a clamping mode, and the second matching part is connected with the second limiting part in a clamping mode.
2. The lens module as claimed in claim 1, wherein the first position-limiting portion includes a recess, the first engaging portion includes a protrusion disposed toward the first lens, the protrusion of the first engaging portion is received in the recess of the first position-limiting portion, and/or the first position-limiting portion includes a protrusion disposed toward the light-shielding member, and the first engaging portion includes a recess receiving the protrusion of the first position-limiting portion.
3. The lens module as recited in claim 2, wherein the first lens further comprises a first engaging portion disposed on a sidewall of the first position-limiting portion, the light-shielding member further comprises a first engaging portion disposed on a sidewall of the first engaging portion, and the first engaging portion is engaged with the first engaging portion.
4. The lens module as claimed in claim 1, wherein the second position-limiting portion includes a recess, the second engaging portion includes a protrusion disposed toward the second lens, the protrusion of the second engaging portion is received in the second position-limiting portion, and/or the second position-limiting portion includes a protrusion disposed toward the light-shielding member, and the second engaging portion includes a recess receiving the protrusion of the second position-limiting portion.
5. The lens module as recited in claim 4, wherein the second lens further comprises a second engaging portion disposed on a sidewall of the second limiting portion, the light-shielding member further comprises a second engaging portion disposed on a sidewall of the second engaging portion, and the second engaging portion is engaged with the second engaging portion.
6. The lens module as claimed in claim 1, wherein the first fixing region includes at least two first sub-fixing regions spaced apart from each other along the edge of the first optical region, the first sub-fixing regions include the first limiting portion, each of the light-shielding members is disposed corresponding to one of the first sub-fixing regions, and two adjacent light-shielding members are spaced apart from each other.
7. The lens module as recited in claim 6, wherein a boundary between the first optical area and the first sub-fixing area comprises a first arc-shaped boundary, a center of the first arc-shaped boundary is located on the optical axis, and the first position-limiting portion and the first engaging portion extend along the first arc-shaped boundary, or the first position-limiting portion and the first engaging portion extend along a radial direction of a circle on which the first arc-shaped boundary is located.
8. The lens module as claimed in claim 1, wherein the second fixing region includes at least two second sub-fixing regions spaced apart from each other along the edge of the second optical region, the second sub-fixing regions include the second limiting portion, each of the light-shielding members is disposed corresponding to one of the second sub-fixing regions, and two adjacent light-shielding members are spaced apart from each other.
9. The lens module as recited in claim 8, wherein a boundary between the second optical region and the second sub-fixing region comprises a second arc-shaped boundary, a center of the second arc-shaped boundary is located on the optical axis, and the second position-limiting portion and the second engaging portion extend along the second arc-shaped boundary, or the second position-limiting portion and the second engaging portion extend along a radial direction of a circle on which the second arc-shaped boundary is located.
10. A camera device, characterized in that the camera device comprises a device body and the lens module according to any one of claims 1 to 9, wherein the lens module is mounted on the device body.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922326402.1U CN211603804U (en) | 2019-12-19 | 2019-12-19 | Lens module and camera device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201922326402.1U CN211603804U (en) | 2019-12-19 | 2019-12-19 | Lens module and camera device |
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| CN211603804U true CN211603804U (en) | 2020-09-29 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI731822B (en) * | 2020-12-11 | 2021-06-21 | 大立光電股份有限公司 | Imaging lens system having retaining element and electronic device |
| WO2023116944A3 (en) * | 2021-12-24 | 2023-08-10 | 宁波舜宇车载光学技术有限公司 | Image projection device, and method for manufacturing image projection device |
-
2019
- 2019-12-19 CN CN201922326402.1U patent/CN211603804U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI731822B (en) * | 2020-12-11 | 2021-06-21 | 大立光電股份有限公司 | Imaging lens system having retaining element and electronic device |
| WO2023116944A3 (en) * | 2021-12-24 | 2023-08-10 | 宁波舜宇车载光学技术有限公司 | Image projection device, and method for manufacturing image projection device |
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