CN220913415U - Camera module - Google Patents

Abstract

The utility model provides a camera module, comprising: the optical imaging lens comprises a lens barrel, an annular flange and a matching structure are arranged on the outer wall surface of the lens barrel, the annular flange extends out from the outer wall surface of the lens barrel in the direction away from the optical axis of the optical imaging lens, and the matching structure is located on the object side or the image side of the annular flange; the annular seat body is coaxially connected outside the lens cone, the inner annular surface of the annular seat body is connected with the matching structure, one side surface of the annular seat body, which faces the annular flange, is adhered to the annular flange, and the seat body is used for being connected with a motor or a fixer. The utility model solves the problem of low yield of the camera module in the prior art.

Description

Camera module

Technical Field

The utility model relates to the technical field of imaging equipment, in particular to a camera module.

Background

With the development of technology and the increasingly expanded application range of imaging equipment, the camera module is increasingly widely applied. The module dispensing is an important ring in the camera module manufacturing process, and is used for bearing the turning from the single optical imaging lens to the camera module, in the process, the base body for connecting the motor or the fixer for supporting or focusing is required to be bonded with the optical imaging lens by glue, but after the glue is solidified and contracted, the radial pulling action is generated on the outer wall of the lens barrel of the optical imaging lens, so that the lens barrel deforms to different degrees, the variation of an internal optical system is invalid, and the module yield is reduced.

That is, the camera module in the prior art has the problem of low yield.

Disclosure of utility model

The utility model mainly aims to provide a camera module to solve the problem of low yield of the camera module in the prior art.

In order to achieve the above object, the present utility model provides an image capturing module, including: the optical imaging lens comprises a lens barrel, an annular flange and a matching structure are arranged on the outer wall surface of the lens barrel, the annular flange extends out from the outer wall surface of the lens barrel in the direction away from the optical axis of the optical imaging lens, and the matching structure is located on the object side or the image side of the annular flange; the annular seat body is coaxially connected outside the lens cone, the inner annular surface of the annular seat body is connected with the matching structure, one side surface of the annular seat body, which faces the annular flange, is adhered to the annular flange, and the seat body is used for being connected with a motor or a fixer.

Further, the camera shooting module further comprises a dispensing part, the dispensing part is arranged on one side surface of the annular base body facing the annular flange or one side surface of the annular flange facing the annular base body, the dispensing part is provided with a first annular groove, a dispensing surface and a second annular groove which are sequentially connected, and the first annular groove is close to the matching structure relative to the second annular groove.

Further, the groove depth H1 of the first annular groove and the groove depth H2 of the second annular groove meet the following conditions: h2 Not less than 1.25H1.

Further, the groove width W1 of the first ring groove and the groove width W2 of the second ring groove satisfy the following conditions: w2 is more than or equal to 1.25W1.

Further, the groove depth H1 of the first annular groove and the groove width W1 of the first annular groove satisfy the following conditions: h1 And is more than or equal to W1.

Further, the groove depth H2 of the second annular groove and the groove width W2 of the second annular groove meet the following conditions: h2 And is more than or equal to W2.

Further, the annular flange and the matching structure are arranged at intervals, the annular flange and the matching structure are connected through the connecting surface, and the groove width W1 of the first annular groove, the groove width W2 of the second annular groove and the distance W0 between the outer annular surface of the annular flange and the connecting surface are as follows: W1+W2 is not more than 0.25W0.

Further, annular flange and cooperation structure interval set up, and annular flange and cooperation structure pass through the junction surface and connect, and the cooperation structure is external screw thread structure, satisfies between the pitch P of length L1, external screw thread structure of junction surface: p/2 is less than or equal to L1 and less than or equal to 2P.

Further, the inner ring surface of the annular seat body is provided with an inner thread structure in threaded connection with the outer thread structure, and the number of threads T2 of the inner thread structure and the number of threads T1 of the outer thread structure meet the following conditions: T2-T1 is more than or equal to 0.5 and less than or equal to 2.

Further, the groove width W1 of the first ring groove, the groove width W2 of the second ring groove, the pitch P of the external thread structure, the distance W0 between the outer ring surface of the annular flange and the connecting surface, and the length Δd of the dispensing surface satisfy: W1+W2+P+Δd is not less than W0.

Further, the cooperation structure is groove structure, and the inner ring face of annular pedestal has the cooperation arch that stretches out to groove structure, cooperation arch and groove bottom interference fit of groove structure, cooperation arch and groove structure's cell wall face interval setting.

Further, annular flange and cooperation structure interval set up, and annular flange and cooperation structure pass through the junction surface and connect, satisfy between the protruding boss height H of length L1, the cooperation of junction surface: l1 is more than or equal to 2.5H and less than or equal to 10H.

Further, annular flange and cooperation structure interval set up, and annular flange and cooperation structure pass through the junction surface and connect, satisfy between the protruding height H of groove width W1 of first annular, second annular, the outer loop face of annular flange and the distance W0 of junction surface, the length Δd of some glue surfaces: W1+W2+5H+Δd is not less than W0.

Further, the groove structure and the mating protrusion are both annular structures centered on the optical axis.

Further, the groove structure comprises a plurality of groove parts which are arranged at intervals, the groove parts are positioned on the same circumference taking the optical axis as the center of a circle, the matched protrusions comprise a plurality of protruding parts which are arranged at intervals, and the protruding parts are arranged in one-to-one correspondence with the groove parts.

Further, the dispensing part is positioned on one side surface of the annular base body facing the annular flange, the annular base body is further provided with an annular shielding part, the annular shielding part is arranged far away from the optical axis relative to the second annular groove, the inner annular surface of the annular shielding part extends from the groove wall surface of the second annular groove to the direction far away from the annular base body, and at least one part of the inner annular surface of the annular shielding part is positioned on the object side of one side surface of the annular flange close to the annular base body.

Further, the distance W3 between the inner annular surface of the annular shielding part and the annular flange and the groove width W2 of the second annular groove satisfy the following conditions: w3 is more than or equal to 1.25W2.

Further, annular flange and cooperation structure interval set up, and annular flange and cooperation structure pass through the junction surface and connect, satisfy between the outer ring face of annular flange and the distance W0 of junction surface, the height L of lens cone: w0 is less than or equal to L/8 and less than or equal to L/4.

Further, the connection mode of the inner annular surface of the annular seat body and the matching structure comprises one of threaded connection, snap connection or abutting connection.

By applying the technical scheme of the utility model, the camera module comprises an optical imaging lens and an annular base body, the optical imaging lens comprises a lens barrel, an annular flange and a matching structure are arranged on the outer wall surface of the lens barrel, the annular flange extends out from the outer wall surface of the lens barrel in the direction away from the optical axis of the optical imaging lens, and the matching structure is positioned on the object side or the image side of the annular flange; the annular seat body is coaxially connected outside the lens cone, the inner annular surface of the annular seat body is connected with the matching structure, one side surface of the annular seat body, which faces the annular flange, is adhered to the annular flange, and the annular seat body is used for being connected with a motor or a fixer.

Through set up the cooperation structure at the outer wall of lens cone, annular pedestal is connected with the cooperation structure simultaneously, replace the outer wall of current lens cone directly with the annular pedestal between the point gum bonding's connected mode, shift the bonding face to the annular flange with the perpendicular face of optical axis on from the outer wall of the lens cone parallel with the optical axis, avoid glue shrink to cause radial pulling to the lens cone, improved the axiality between optical imaging lens and lens cone, the annular pedestal, greatly reduced the risk of equipment slope, thereby avoid reducing the module yield. Meanwhile, the annular flange extends out of the outer wall surface of the lens barrel and is adhered to the surface of one side of the annular base body, which faces the annular flange, so that the connecting stability of the lens barrel and the annular base body is improved, and meanwhile, the lens barrel cannot be pulled in the radial direction. In addition, the matching structure can be positioned at the object side or the image side of the annular flange, that is, the annular base body can be assembled by the object side or the image side of the lens barrel so as to flexibly adapt to the installation requirements of different camera modules.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

fig. 1 is a sectional view showing a part of the structure of an image pickup module according to a first embodiment of the present utility model;

FIG. 2 shows an enlarged schematic view of portion A of FIG. 1;

FIG. 3 shows a partial size schematic of FIG. 1;

fig. 4 is a sectional view showing a part of the structure of an image capturing module according to a second embodiment of the present utility model;

FIG. 5 shows an enlarged schematic view of portion B of FIG. 4;

fig. 6 is a sectional view showing a part of the structure of an image pickup module according to a fourth embodiment of the present utility model;

FIG. 7 shows an enlarged schematic view of portion C of FIG. 6;

fig. 8 is a sectional view showing a part of the structure of an image pickup module according to a fifth embodiment of the present utility model;

Fig. 9 shows an enlarged schematic view of portion D of fig. 8;

FIG. 10 shows a schematic view of an angle of the lens barrel of FIG. 8;

fig. 11 shows a schematic view of an angle of the annular seat of fig. 8.

Wherein the above figures include the following reference numerals:

10. An optical imaging lens; 11. a lens barrel; 12. an annular flange; 13. a mating structure; 131. a groove structure; 14. a connection surface; 20. an annular seat body; 21. fitting the protrusion; 22. an annular shielding part; 30. dispensing part; 31. a first ring groove; 32. dispensing a glue surface; 33. and a second ring groove.

Detailed Description

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.

It is noted that 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 application belongs unless otherwise indicated.

In the present utility model, unless otherwise indicated, terms of orientation such as "upper, lower, top, bottom" are used generally with respect to the orientation shown in the drawings or with respect to the component itself in the vertical, upright or gravitational direction; also, for ease of understanding and description, "inner and outer" refers to inner and outer relative to the profile of each component itself, but the above-mentioned orientation terms are not intended to limit the present utility model.

The utility model provides a camera module for solving the problem of low yield of the camera module in the prior art.

As shown in fig. 1 to 11, the image pickup module comprises an optical imaging lens 10 and an annular base 20, the optical imaging lens 10 comprises a lens barrel 11, an annular flange 12 and a matching structure 13 are arranged on the outer wall surface of the lens barrel 11, the annular flange 12 extends from the outer wall surface of the lens barrel 11 to the direction far away from the optical axis of the optical imaging lens 10, and the matching structure 13 is positioned on the object side or the image side of the annular flange 12; the annular base 20 is coaxially connected to the outside of the lens barrel 11, the inner ring surface of the annular base 20 is connected to the matching structure 13, one side surface of the annular base 20 facing the annular flange 12 is adhered to the annular flange 12, and the annular base 20 is used for connecting a motor or a fixer.

Through setting up cooperation structure 13 at the outer wall surface of lens cone 11, annular pedestal 20 is connected with cooperation structure 13 simultaneously, replace the direct and some adhesive bonding's of point between the annular pedestal 20 of outer wall surface of current lens cone 11 connected mode, shift the bonding face from the outer wall surface of lens cone 11 parallel with the optical axis to on annular flange 12 and the perpendicular face of optical axis, avoid glue shrink to cause radial pulling to lens cone 11, the axiality between optical imaging lens 10 and lens cone 11, the annular pedestal 20 has been improved, greatly reduced the risk of equipment slope, thereby avoid reducing the module yield. Meanwhile, the annular flange 12 extends out of the outer wall surface of the lens barrel 11 and is adhered to the surface of the annular base 20, which faces the annular flange 12, so that the connection stability of the lens barrel 11 and the annular base 20 is improved, and meanwhile, the lens barrel 11 is not pulled in the radial direction. In addition, the matching structure 13 can be located at the object side or the image side of the annular flange 12, that is, the annular base 20 can be assembled at the object side or the image side of the lens barrel 11, so as to flexibly adapt to the installation requirements of different camera modules.

As shown in fig. 2 and 3, the camera module further includes a dispensing portion 30, where the dispensing portion 30 is located on a side surface of the annular base 20 facing the annular flange 12 or a side surface of the annular flange 12 facing the annular base 20, the dispensing portion 30 has a first annular groove 31, a dispensing surface 32, and a second annular groove 33 that are sequentially connected, and the first annular groove 31 is disposed close to the mating structure 13 relative to the second annular groove 33. The annular flange 12 and the annular base 20 are bonded together by the dispensing part 30, so that the connection stability of the lens barrel 11 and the annular base 20 is improved, and meanwhile, the first annular groove 31 and the second annular groove 33 on the dispensing part 30 can accommodate more glue so that the excessive glue at the dispensing surface 32 flows to the first annular groove 31 and the second annular groove 33. By arranging the two ring grooves, the glue on the glue stop surface 32 can be effectively prevented from penetrating into the matching structure 13, and meanwhile, the glue is prevented from overflowing between the outer ring surface of the annular flange 12 and the annular seat body 20, so that the radial pulling action of the curing shrinkage of the glue on the lens barrel 11 is reduced.

Specifically, the groove depth H1 of the first ring groove 31 and the groove depth H2 of the second ring groove 33 satisfy: h2 Not less than 1.25H1. The arrangement can store the excessive glue on the outer side as far as possible, and keep away from the matching structure 13 as far as possible, so that the lens barrel 11 is prevented from being pulled radially.

Specifically, the groove widths W1 and W2 of the first and second annular grooves 31 and 33 satisfy the following conditions: w2 is more than or equal to 1.25W1. The arrangement can store the excessive glue on the outer side as far as possible, and keep away from the matching structure 13 as far as possible, so that the lens barrel 11 is prevented from being pulled radially.

Specifically, the groove depth H1 of the first annular groove 31 and the groove width W1 of the first annular groove 31 satisfy: h1 And is more than or equal to W1. The requirements of the required quantity and width of dispensing can be guaranteed through the arrangement, and the bonding strength is guaranteed as much as possible under the condition that the assembly is not affected.

Specifically, the groove depth H2 of the second annular groove 33 and the groove width W2 of the second annular groove 33 satisfy: h2 And is more than or equal to W2. The requirements of the required quantity and width of dispensing can be guaranteed through the arrangement, and the bonding strength is guaranteed as much as possible under the condition that the assembly is not affected.

Specifically, the annular flange 12 and the mating structure 13 are disposed at intervals, and the annular flange 12 and the mating structure 13 are connected by the connection surface 14, and the slot width W1 of the first ring slot 31, the slot width W2 of the second ring slot 33, and the distance W0 between the outer ring surface of the annular flange 12 and the connection surface 14 satisfy: W1+W2 is not more than 0.25W0. The requirements of the required quantity and width of dispensing can be guaranteed through the arrangement, and the bonding strength is guaranteed as much as possible under the condition that the assembly is not affected.

Optionally, the connection manner between the inner ring surface of the annular base 20 and the mating structure 13 is one of a threaded connection, a snap connection or an abutment, so as to axially position the annular base 20 and the lens barrel 11.

Example 1

As shown in fig. 1 to 3, the mating structure 13 is located on the image side of the annular flange 12.

As shown in fig. 2 and 3, the annular flange 12 and the mating structure 13 are disposed at intervals, and the annular flange 12 and the mating structure 13 are connected by a connection surface 14, and the mating structure 13 is an external thread structure, that is, the connection mode between the inner annular surface of the annular seat body 20 and the mating structure 13 is threaded connection, and the length L1 of the connection surface 14 and the pitch P of the external thread structure satisfy: p/2 is less than or equal to L1 and less than or equal to 2P. The axial positioning between the lens cone 11 and the annular base body 20 can be adjusted through the screw thread screwing length, the dispensing space between the lens cone 11 and the annular base body 20 is further adjusted, the consistency of the module dispensing quantity kept close to the design value is facilitated, and the yield in the module mass production process is improved.

As shown in fig. 2 and 3, the inner ring surface of the annular seat body 20 has an internal thread structure in threaded connection with an external thread structure, and the number of thread turns T2 of the internal thread structure and the number of thread turns T1 of the external thread structure satisfy: T2-T1 is more than or equal to 0.5 and less than or equal to 2. The arrangement can ensure that the screwing length of the screw thread can be flexibly adjusted, and further the dispensing space between the lens barrel 11 and the annular base body 20 is adjusted.

As shown in fig. 2 and 3, the groove width W1 of the first ring groove 31, the groove width W2 of the second ring groove 33, the pitch P of the male screw structure, the distance W0 between the outer annular surface of the annular flange 12 and the connection surface 14, and the length Δd of the dispensing surface 32 satisfy: W1+W2+P+Δd is not less than W0. The arrangement can ensure that the screwing length of the screw thread can be flexibly adjusted, and further the dispensing space between the lens barrel 11 and the annular base body 20 is adjusted.

As shown in fig. 2 and 3, the dispensing portion 30 is located on a side surface of the annular base 20 facing the annular flange 12, the annular base 20 further has an annular shielding portion 22, the annular shielding portion 22 is disposed away from the optical axis relative to the second annular groove 33, an inner annular surface of the annular shielding portion 22 extends from a groove wall of the second annular groove 33 toward a direction away from the annular base 20, and at least a portion of the inner annular surface of the annular shielding portion 22 is located on an object side of the side surface of the annular flange 12 close to the annular base 20. That is, the height of the annular shielding portion 22 is greater than the thickness of the dispensing portion 30, so as to avoid overflow of the excessive glue, and facilitate assembly and positioning, and improve assembly coaxiality.

As shown in fig. 2 and 3, the distance W3 between the inner annular surface of the annular shielding portion 22 and the annular flange 12 and the groove width W2 of the second annular groove 33 satisfy: w3 is more than or equal to 1.25W2. The setting can guarantee sufficient screw thread and close the position like this, avoids annular shielding part and cyclic annular flange to interfere, and the inner ring face of annular shielding part 22 still can be used to glue solidification extrusion gaseous passageway when flowing simultaneously with the distance of cyclic annular flange 12, avoids bubble not to arrange cleanly in the glue, appears the glue cavity, reduces bonding strength, can also the furthest utilize the space of some glued parts 30.

As shown in fig. 2 and 3, the distance W0 between the outer annular surface of the annular flange 12 and the connection surface 14, and the height L of the lens barrel 11 satisfy: w0 is less than or equal to L/8 and less than or equal to L/4. The bonding strength is guaranteed, and the module can pass through a mechanical reliability test. On the other hand, the radial stress change of the lens barrel 11 caused by excessive glue quantity due to the excessive glue dispensing surface 32 can be avoided, so that the module yield is ensured.

It should be noted that, when the dispensing surface 32 is located on the annular base 20, a whole circle of glue is drawn on the dispensing surface 32 during assembly, and then the optical imaging lens is screwed in from the object side of the annular base 20 through screw fit, and the thickness of the glue is adjusted through screw fit length.

Example two

As shown in fig. 4 and 5, the difference from the first embodiment is that the inner ring surface of the annular seat 20 is connected to the mating structure 13 in a different manner.

As shown in fig. 5, the mating structure 13 is a groove structure 131, the inner ring surface of the annular seat body 20 is provided with a mating protrusion 21 extending toward the groove structure 131, the mating protrusion 21 is in interference fit with the bottom surface of the groove structure 131, and the mating protrusion 21 is arranged at intervals with the groove wall surface of the groove structure 131. That is, the inner ring surface of the annular seat body 20 is connected with the matching structure 13 by a buckle, so that the processing difficulty can be reduced while the positioning accuracy is ensured, and the installation is convenient.

As shown in fig. 5, the annular flange 12 and the mating structure 13 are disposed at intervals, and the annular flange 12 and the mating structure 13 are connected by the connection surface 14, and the length L1 of the connection surface 14 and the protrusion height H of the mating protrusion 21 satisfy: l1 is more than or equal to 2.5H and less than or equal to 10H. The axial positioning between the lens cone 11 and the annular base 20 can be adjusted through the buckling position, the dispensing space between the lens cone 11 and the annular base 20 is further adjusted, the uniformity of the module dispensing quantity kept close to the design value is facilitated, and the yield in the module mass production process is improved.

As shown in fig. 5, the groove width W1 of the first ring groove 31, the groove width W2 of the second ring groove 33, the projection height H of the fitting projection 21, the distance W0 between the outer annular surface of the annular flange 12 and the connection surface 14, and the length Δd of the dispensing surface 32 satisfy: W1+W2+5H+Δd is not less than W0. The arrangement can ensure that the buckling position can be flexibly adjusted, and further the dispensing space between the lens barrel 11 and the annular base body 20 is adjusted.

Specifically, the groove structure 131 and the mating protrusion 21 are both ring structures centered on the optical axis, and the coaxiality of assembly is higher.

It should be noted that, the dispensing surface 32 is located on the annular base 20, when assembling, a whole circle of glue is drawn on the dispensing surface 32, then the optical imaging lens is clamped in from the object side of the annular base 20 through snap fit, and the thickness of the glue is adjusted by adjusting the fastening position through external force.

Example III

In a specific embodiment, not shown, the difference from the second embodiment is the structure of the groove structure 131.

Specifically, the groove structure 131 includes a plurality of groove portions disposed at intervals, the plurality of groove portions are located on the same circumference with the optical axis as the center, and the mating protrusion 21 includes a plurality of protruding portions disposed at intervals, and the protruding portions are disposed in one-to-one correspondence with the groove portions. The setting is in guaranteeing connection stability like this, still is favorable to the installation location, reduces the risk that circumference rocked.

Example IV

As shown in fig. 6 and 7, the difference from the first embodiment is that the fitting structure 13 is located on the object side of the annular flange 12.

It should be noted that, when the dispensing surface 32 is located on the annular flange 12, a whole circle of glue is drawn on the dispensing surface 32 during assembly, and then the annular base 20 is screwed in from the object side of the optical imaging lens 10 through screw fit, and the thickness of the glue is adjusted through the screw fit length.

Example five

As shown in fig. 8 to 11, the difference from the second embodiment is that the fitting structure 13 is located on the object side of the annular flange 12.

As shown in fig. 10 and 11, the dispensing surface 32 is located on the annular flange 12, and when assembling, a whole circle of glue is drawn on the dispensing surface 32, then the annular base 20 is clamped from the object side of the optical imaging lens 10 by snap fit, and the thickness of the glue is adjusted by adjusting the fastening position by external force.

From the above description, it can be seen that the above embodiments of the present utility model achieve the following technical effects:

1. Through setting up cooperation structure 13 at the outer wall surface of lens cone 11, annular pedestal 20 is connected with cooperation structure 13 simultaneously, replace the direct and some adhesive bonding's of point between the annular pedestal 20 of outer wall surface of current lens cone 11 connected mode, shift the bonding face from the outer wall surface of lens cone 11 parallel with the optical axis to on annular flange 12 and the perpendicular face of optical axis, avoid glue shrink to cause radial pulling to lens cone 11, the axiality between optical imaging lens 10 and lens cone 11, the annular pedestal 20 has been improved, greatly reduced the risk of equipment slope, thereby avoid reducing the module yield.

2. The annular flange 12 is extended on the outer wall surface of the lens barrel 11 and is adhered to the surface of the annular base 20 facing the annular flange 12, so that the connection stability of the lens barrel 11 and the annular base 20 is improved, and the lens barrel 11 is not pulled in the radial direction.

3. The matching structure 13 can be located at the object side or the image side of the annular flange 12, that is, the annular base 20 can be assembled from the object side or the image side of the lens barrel 11, so as to flexibly adapt to the installation requirements of different camera modules.

It will be apparent that the embodiments described above are merely some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and the claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the application described herein may be implemented in sequences other than those illustrated or otherwise described herein.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (19)

1. The utility model provides a module of making a video recording, its characterized in that, the module of making a video recording includes:

An optical imaging lens (10), wherein the optical imaging lens (10) comprises a lens barrel (11), an annular flange (12) and a matching structure (13) are arranged on the outer wall surface of the lens barrel (11), the annular flange (12) extends out from the outer wall surface of the lens barrel (11) in the direction away from the optical axis of the optical imaging lens (10), and the matching structure (13) is positioned on the object side or the image side of the annular flange (12);

The annular base body (20), annular base body (20) coaxial coupling is in outside lens cone (11), the interior ring face of annular base body (20) with cooperation structure (13) are connected, annular base body (20) orientation annular flange (12) one side surface with annular flange (12) bonding, annular base body (20) are used for connecting motor or fixer.

2. The camera module according to claim 1, further comprising a dispensing portion (30), wherein the dispensing portion (30) is located on a side surface of the annular base (20) facing the annular flange (12) or a side surface of the annular flange (12) facing the annular base (20), the dispensing portion (30) has a first annular groove (31), a dispensing surface (32) and a second annular groove (33) sequentially connected, and the first annular groove (31) is disposed close to the mating structure (13) relative to the second annular groove (33).

3. Camera module according to claim 2, characterized in that the groove depth H1 of the first ring groove (31) and the groove depth H2 of the second ring groove (33) satisfy: h2 Not less than 1.25H1.

4. The camera module according to claim 2, wherein a groove width W1 of the first ring groove (31) and a groove width W2 of the second ring groove (33) satisfy: w2 is more than or equal to 1.25W1.

5. The camera module according to claim 2, wherein a groove depth H1 of the first ring groove (31) and a groove width W1 of the first ring groove (31) satisfy: h1 And is more than or equal to W1.

6. The camera module according to claim 2, wherein a groove depth H2 of the second ring groove (33) and a groove width W2 of the second ring groove (33) satisfy: h2 And is more than or equal to W2.

7. The camera module according to claim 2, wherein the annular flange (12) and the mating structure (13) are disposed at intervals, and the annular flange (12) and the mating structure (13) are connected by a connection surface (14), and a groove width W1 of the first ring groove (31), a groove width W2 of the second ring groove (33), and a distance W0 between an outer ring surface of the annular flange (12) and the connection surface (14) are as follows: W1+W2 is not more than 0.25W0.

8. The camera module according to claim 2, wherein the annular flange (12) and the mating structure (13) are arranged at intervals, and the annular flange (12) and the mating structure (13) are connected through a connecting surface (14), the mating structure (13) is an external thread structure, and the length L1 of the connecting surface (14) and the pitch P of the external thread structure satisfy: p/2 is less than or equal to L1 and less than or equal to 2P.

9. The camera module according to claim 8, wherein the inner annular surface of the annular base body (20) has an inner thread structure in threaded connection with the outer thread structure, and the number of thread turns T2 of the inner thread structure and the number of thread turns T1 of the outer thread structure satisfy: T2-T1 is more than or equal to 0.5 and less than or equal to 2.

10. The camera module according to claim 8, wherein a groove width W1 of the first ring groove (31), a groove width W2 of the second ring groove (33), a pitch P of the external thread structure, a distance W0 between an outer ring surface of the annular flange (12) and the connection surface (14), and a length Δd of the dispensing surface (32) satisfy: W1+W2+P+Δd is not less than W0.

11. The camera module according to claim 2, wherein the matching structure (13) is a groove structure (131), the inner annular surface of the annular base body (20) is provided with a matching protrusion (21) protruding towards the groove structure (131), the matching protrusion (21) is in interference fit with the groove bottom surface of the groove structure (131), and the matching protrusion (21) is arranged with the groove wall surface of the groove structure (131) at intervals.

12. Camera module according to claim 11, characterized in that the annular flange (12) and the mating structure (13) are arranged at intervals, and the annular flange (12) and the mating structure (13) are connected by a connecting surface (14), and the length L1 of the connecting surface (14) and the protrusion height H of the mating protrusion (21) satisfy: l1 is more than or equal to 2.5H and less than or equal to 10H.

13. The camera module according to claim 11, wherein the annular flange (12) and the mating structure (13) are disposed at intervals, and the annular flange (12) and the mating structure (13) are connected by a connecting surface (14), and the groove width W1 of the first ring groove (31), the groove width W2 of the second ring groove (33), the protrusion height H of the mating protrusion (21), the distance W0 between the outer ring surface of the annular flange (12) and the connecting surface (14), and the length Δd of the dispensing surface (32) are as follows: W1+W2+5H+Δd is not less than W0.

14. Camera module according to claim 11, characterized in that the groove structure (131) and the mating protrusion (21) are both ring-shaped structures centred on the optical axis.

15. The camera module according to claim 14, wherein the groove structure (131) includes a plurality of groove portions arranged at intervals, a plurality of the groove portions are located on the same circumference with the optical axis as a center of a circle, and the mating protrusion (21) includes a plurality of protruding portions arranged at intervals, the protruding portions being arranged in one-to-one correspondence with the groove portions.

16. The camera module according to claim 2, wherein the dispensing portion (30) is located on a side surface of the annular base body (20) facing the annular flange (12), the annular base body (20) further has an annular shielding portion (22), the annular shielding portion (22) is disposed away from the optical axis with respect to the second annular groove (33), an inner annular surface of the annular shielding portion (22) extends from a groove wall surface of the second annular groove (33) facing a direction away from the annular base body (20), and at least a portion of the inner annular surface of the annular shielding portion (22) is located on an object side of the annular flange (12) near a side surface of the annular base body (20).

17. The camera module according to claim 16, wherein a distance W3 between an inner annular surface of the annular shielding portion (22) and the annular flange (12) and a groove width W2 of the second annular groove (33) satisfy: w3 is more than or equal to 1.25W2.

18. Camera module according to any of claims 1 to 17, characterized in that the annular flange (12) and the mating structure (13) are arranged at intervals, and the annular flange (12) and the mating structure (13) are connected by a connection surface (14), the distance W0 between the outer annular surface of the annular flange (12) and the connection surface (14), the height L of the lens barrel (11) being: w0 is less than or equal to L/8 and less than or equal to L/4.

19. The camera module according to any one of claims 1 to 17, wherein the connection between the inner annular surface of the annular seat (20) and the mating structure (13) comprises one of a threaded connection, a snap connection or an abutment.