CN216411690U - Camera module - Google Patents

Abstract

The embodiment of the utility model provides a camera module, which comprises a shell, a lens and a sleeve, wherein one end of the lens is assembled in the shell, the lens comprises a lens body and a connecting column which are coaxially arranged and correspondingly connected into a whole, the lens body is arranged outside the shell, the connecting column is correspondingly inserted into the shell, a stopping step is formed on the outer side surface of the connecting column, the sleeve is sleeved outside the connecting column, two ends of the sleeve are respectively abutted against the stopping step and the outer surface of the shell, and the contact part of the sleeve and the stopping step and the contact part of the sleeve and the shell are respectively connected into a whole through sealing welding by a laser welding process. According to the embodiment of the utility model, the sleeve is arranged, so that two ends of the sleeve are respectively abutted against the stop step on the lens and the outer surface of the shell, and the contact part of the sleeve and the lens and the sleeve and the shell is welded by laser, so that the sealing performance of a welding seam is good, the connection is stable, the waterproof and dustproof effects can be well realized, meanwhile, the deformation of the welding joint is small, the assembly precision is favorably ensured, and the accurate focusing of the lens is realized.

Description

Camera module

Technical Field

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

Background

The common camera module comprises a shell, a lens and a photosensitive assembly, wherein a mounting hole is formed in one end of the shell, the lens is assembled at the mounting hole on the shell, the photosensitive assembly is fixedly assembled in the shell and is opposite to the lens, the lens is assembled at the mounting hole of the shell in a gluing or screwing mode, and then the joint of the lens and the shell is sealed by adopting sealing glue, hot edge covering and other sealing modes, but the sealing glue and the hot edge covering are easily washed by high-pressure water or shed by high-temperature sunlight, so that the weather resistance is poor, and the normal work of an internal module is difficult to ensure; the modes of assembling and fixing the lens and the shell by gluing, screwing and the like have poor stability, are easy to age and loosen, cause the lens to be out of focus, and lead the shot picture to be fuzzy.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the embodiments of the present invention is to provide a camera module, which can realize stable and sealed connection between a lens and a housing.

In order to solve the above technical problem, an embodiment of the present invention provides the following technical solutions: a camera module comprises a shell with a mounting hole formed in one side and a lens with one end assembled in the mounting hole of the shell, wherein the lens comprises a lens body and a connecting column which are coaxially arranged and correspondingly connected into a whole, the lens body is arranged outside the shell, the connecting column is correspondingly inserted into the mounting hole, a convex stopping step is formed on the outer side face of one end, close to the lens body, of the connecting column, the camera module further comprises a sleeve, the sleeve is sleeved outside the connecting column, two ends of the sleeve are respectively abutted against the stopping step and the outer surface of the shell, and the contact part of the sleeve and the stopping step and the contact part of the sleeve and the shell are respectively connected into a whole through laser welding in a sealing mode.

Further, the casing is including having the drain pan that holds the chamber and certainly a side of drain pan is outside protruding stretch of an organic whole and the hole with the connecting pipe that holds the chamber and be linked together of drain pan, the hole of connecting pipe constitutes the mounting hole, the lateral surface of connecting pipe is equipped with first external screw thread, telescopic inner wall is equipped with first internal thread, the sleeve with the help of first internal thread with the first external screw thread of connecting pipe lateral surface corresponds the spiro union and corresponds and even as an organic whole through the sealed welding of laser welding technology.

Further, the connecting pipe comprises a connecting section connected with the bottom shell and a threaded section extending from the tail end of the connecting section towards the direction far away from the bottom shell, the outer diameter of the connecting section is larger than that of the threaded section, and the first external thread is formed in the threaded section; the sleeve includes that the inner wall corresponds the shaping to have first internal screw thread spiro union section and connect in the section of cup jointing of spiro union section one end, the external diameter of linkage segment is in the internal diameter of spiro union section with cup joint between the internal diameter of section, the spiro union section with the screw thread section corresponds the spiro union, and cup joint the section correspond the cover in the outside of linkage segment, the inner wall of cup joint the section with the outer wall of linkage segment still corresponds to be connected as an organic whole through the sealed welding of laser welding technology.

Furthermore, the stop step is abutted against the outer end face of the connecting pipe and is correspondingly connected with the outer end face of the connecting pipe into a whole through the laser welding process in a sealing and welding mode.

Furthermore, a second external thread is formed on the outer wall of the connecting column, a second internal thread is correspondingly formed on the inner wall of the connecting tube, and the connecting column is in threaded connection with the connecting tube through the matching of the second external thread and the second internal thread.

Furthermore, the stopping step is a convex ring formed at the root of the connecting column, and an annular groove is correspondingly formed between the stopping step and the lens body at a preset distance.

Furthermore, the connecting column is a hollow column, and an opening is formed in the end face of one end, far away from the lens body.

After the technical scheme is adopted, the embodiment of the utility model at least has the following beneficial effects: according to the embodiment of the utility model, the lens is assembled in the mounting hole formed in the shell to form the camera module, the lens comprises the lens body and the connecting column which are coaxially arranged and correspondingly connected into a whole, the outer side surface of the connecting column close to one end of the lens body is provided with the convex stopping step, the sleeve is arranged at the outer side of the connecting column, two ends of the sleeve are respectively abutted against the stopping step and the outer surface of the shell, the contact part of the sleeve and the stopping step and the contact part of the sleeve and the shell are respectively welded into a whole in a sealing manner by using a laser welding process, the welding seam has good sealing performance and is stably connected, the waterproof and dustproof effects can be well realized, meanwhile, the deformation of the welding joint is small, the assembly precision is favorably ensured, and the accurate focusing of the lens is realized.

Drawings

Fig. 1 is a schematic view of a camera module according to an alternative embodiment of the present invention in a disassembled state.

Fig. 2 is a perspective view of an alternative embodiment of the camera module according to the present invention.

Fig. 3 is a sectional view of an alternative embodiment of the camera module of the present invention taken along the axial direction of the connecting cylinder after assembly.

Fig. 4 is a schematic diagram of a disassembled state of the camera module according to another alternative embodiment of the utility model.

Fig. 5 is a sectional view of another alternative embodiment of the camera module of the present invention taken along the axial direction of the connecting cylinder after assembly.

Detailed Description

The present application will now be described in further detail with reference to the accompanying drawings and specific examples. It should be understood that the following illustrative embodiments and description are only intended to explain the present invention, and are not intended to limit the present invention, and features of the embodiments and examples in the present application may be combined with each other without conflict.

As shown in fig. 1 to 5, an alternative embodiment of the present invention provides a camera module, which includes a housing 1 having a mounting hole 10 formed at one side thereof and a lens 2 having one end thereof assembled in the mounting hole 10 of the housing 1, the lens 2 comprises a lens body 21 and a connecting column 23 which are coaxially arranged and correspondingly connected into a whole, the lens body 21 is arranged outside the shell 1 and the connecting column 23 is correspondingly inserted into the mounting hole 10, the outer side surface of one end of the connecting column 23 close to the lens body 21 is formed with a convex stopping step 25, the camera module further comprises a sleeve 3, the sleeve 3 is sleeved outside the connecting column 23, two ends of the sleeve 3 are respectively abutted against the stopping step 25 and the outer surface of the shell 1, the contact part of the sleeve 3 and the stop step 25 and the contact part of the sleeve 3 and the shell 1 are respectively connected into a whole through the laser welding process in a sealing and welding way.

In the embodiment, the lens 2 is assembled in the mounting hole 10 formed in the housing 1 to form the camera module, the lens 2 includes the lens body 21 and the connecting column 23 which are coaxially arranged and correspondingly connected into a whole, the outer side surface of the connecting column 23 near one end of the lens body 21 is formed with the convex stopping step 25, the sleeve 3 is arranged at the outer side of the connecting column 23, and two ends of the sleeve 3 are respectively abutted against the stopping step 25 and the outer surface of the housing 1, then the contact part of the sleeve 3 and the stopping step 25 and the contact part of the sleeve 3 and the housing 1 are respectively welded into a whole in a sealing manner by using a laser welding process, the sealing performance of the weld joint is good, the connection is stable, the waterproof and dustproof effects can be well realized, the deformation of the weld joint is small, the assembling precision is favorably ensured, and the accurate focusing of the lens 2 is realized.

During specific assembly, the connecting column 23 of the lens 2 correspondingly penetrates through the sleeve 3 and is inserted into the mounting hole 10, the length of the connecting column 23 extending into the mounting hole 10 is adjusted to determine a focal length, then the sleeve 3 is moved to enable two ends of the sleeve 3 to respectively abut against the stopping step 25 and the outer surface of the shell 1, and finally, the contact part of the sleeve 3 and the stopping step 25 and the contact part of the sleeve 3 and the shell 1 are respectively welded and connected into a whole in a sealing mode through a laser welding process, and therefore the assembly of the camera module is completed.

In another alternative embodiment of the present invention, as shown in fig. 1-3, the housing 1 includes a bottom shell 12 having a receiving cavity 121, and a connection tube 14 integrally protruding outward from one side of the bottom shell 12 and having an inner hole communicated with the receiving cavity 121 of the bottom shell 1, the inner hole of the connection tube 14 forms the mounting hole 10, the outer side of the connection tube 14 is provided with a first external thread 1450, the inner wall of the sleeve 3 is provided with a first internal thread 301, and the sleeve 3 is correspondingly screwed with the first external thread 1450 on the outer side of the connection tube 14 by means of the first internal thread 301 and is correspondingly welded and connected into a whole by a laser welding process.

In this embodiment, a connecting pipe 14 is integrally protruded from one side of the bottom case 12, the inner hole of the connecting pipe 14 forms the mounting hole 10, the sleeve 3 is sleeved outside the connecting pipe 14 and is screwed with the connecting pipe 14, so that the sleeve 3 and the connecting pipe 14 can be stably connected in the assembling process, the axial position of the sleeve 3 can be conveniently adjusted with high precision, that is, the axial position of the lens 2 abutted to the sleeve 3 is adjusted to stop the step 25, thereby ensuring the focal length precision, and the screwed part is sealed and welded by a laser welding process when the position is adjusted to the proper position, so that the sleeve 3 and the connecting pipe 14 are better connected into a whole, and the connecting part has good stability.

In another alternative embodiment of the present invention, as shown in fig. 1, 3, 4 and 5, the connection tube 14 includes a connection section 143 connected to the bottom case 12 and a threaded section 145 extending from an end of the connection section 143 in a direction away from the bottom case 12, an outer diameter of the connection section 134 is larger than an outer diameter of the threaded section 145, and the first external thread 1450 is formed on the threaded section 145; the sleeve 3 comprises a bolt connection section 30 with a first internal thread 301 and a socket connection section 32 connected to one end of the bolt connection section 30, wherein the inner wall of the socket connection section 32 is correspondingly formed, the outer diameter of the connection section 143 is between the inner diameter of the bolt connection section 30 and the inner diameter of the socket connection section 32, the bolt connection section 30 is correspondingly connected with the thread section 145 in a bolt connection mode, the socket connection section 32 is correspondingly sleeved outside the connection section 143, and the inner wall of the socket connection section 32 is connected with the outer wall of the connection section 143 in a sealing and welding mode through a laser welding process.

In this embodiment, the connection pipe 14 is divided into the connection section 143 and the threaded section 145, the sleeve 3 is correspondingly divided into the screwing section 30 and the sleeving section 32, the outer diameter of the connection section 143 is between the inner diameter of the screwing section 30 and the inner diameter of the sleeving section 32, the screwing section 30 is correspondingly screwed with the first external thread 1450 on the threaded section 145 through the first internal thread 301 thereon, and the sleeving section 32 is correspondingly sleeved outside the connection section 143 and integrally connects the sleeve 3 and the housing 1 by laser welding the inner wall of the sleeving section 32 and the outer wall of the connection section 143, so as to further improve the sealing performance of the connection part between the sleeve 3 and the connection pipe 14.

In another alternative embodiment of the present invention, as shown in fig. 3 and 5, the stop step 25 is also abutted against the outer end surface of the connection pipe 14 and is hermetically welded and integrated by a corresponding laser welding process. In this embodiment, the abutting stop step 25 and the outer end surface of the connecting pipe 14 are subjected to laser welding, so as to further improve the sealing performance of the assembly of the camera module, and ensure that the lens 2 is connected with the housing 1 more stably and is not easy to generate relative displacement.

In another alternative embodiment of the present invention, as shown in fig. 4 and 5, the outer wall of the connecting column 23 is further formed with a second external thread 230, the inner wall of the connecting tube 14 is further correspondingly formed with a second internal thread 147, and the connecting column 23 is screwed with the connecting tube 14 by the matching of the second external thread 230 and the second internal thread 147. In the embodiment, the connecting column 23 inserted into the inner hole of the connecting tube 14 is connected with the connecting tube 14 in a threaded fit manner, so that the connecting column 23 is conveniently positioned and the axial position of the connecting column 23 is adjusted in the assembling process, and the assembling is convenient.

In another alternative embodiment of the present invention, as shown in fig. 1-5, the stopping step 25 is a convex ring formed at the root of the connecting column 23, and an annular groove 26 is correspondingly formed between the stopping step 25 and the lens body 21 at a predetermined distance. In the embodiment, the stopping step 25 is a convex ring formed at the root of the connecting column 23, the convex ring is completely abutted against the sleeve 3 one circle, the sealing performance of the connecting part is improved after laser welding is performed, and the annular groove 26 is formed, so that the convex ring serving as the stopping step 25 is relatively independently protruded, and when laser welding is performed, the possible micro deformation of the convex ring cannot be transmitted to the lens body 21, and the optical performance of the lens body 21 is not affected.

In another alternative embodiment of the present invention, as shown in fig. 3, the connecting column 23 is a hollow column and has an opening 232 at an end surface far from the lens body 21. This embodiment is through establishing spliced pole 23 into hollow post to establish opening 232 in the one end of keeping away from the lenticle 21, the material consumption when can reducing the lens 2 shaping, saves the cost, and, hollow design also can make and pass the light that the lenticle 21 penetrated can directly penetrate the sensitization subassembly of corresponding equipment in casing 1, and avoids spliced pole 14 to the influence of light transmission.

While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the utility model as defined in the appended claims.

Claims (7)

1. A camera module comprises a shell with a mounting hole formed in one side and a lens with one end assembled in the mounting hole of the shell, wherein the lens comprises a lens body and a connecting column which are coaxially arranged and correspondingly connected into a whole, the lens body is arranged outside the shell, and the connecting column is correspondingly inserted into the mounting hole.

2. The camera module according to claim 1, wherein the housing includes a bottom case having a receiving cavity, and a connecting pipe protruding integrally outward from a side surface of the bottom case and having an inner hole communicating with the receiving cavity of the bottom case, the inner hole of the connecting pipe forms the mounting hole, the outer side surface of the connecting pipe is provided with a first external thread, the inner wall of the sleeve is provided with a first internal thread, and the sleeve is connected with the first external thread on the outer side surface of the connecting pipe by the first internal thread in a corresponding threaded manner and in a corresponding sealed manner by a laser welding process.

3. The camera module of claim 2, wherein the connecting tube includes a connecting section connected to the bottom case and a threaded section extending from a distal end of the connecting section in a direction away from the bottom case, an outer diameter of the connecting section is greater than an outer diameter of the threaded section, and the first external thread is formed in the threaded section; the sleeve includes that the inner wall corresponds the shaping to have first internal screw thread spiro union section and connect in the section of cup jointing of spiro union section one end, the external diameter of linkage segment is in the internal diameter of spiro union section with cup joint between the internal diameter of section, the spiro union section with the screw thread section corresponds the spiro union, and cup joint the section correspond the cover in the outside of linkage segment, the inner wall of cup joint the section with the outer wall of linkage segment still corresponds to be connected as an organic whole through the sealed welding of laser welding technology.

4. The camera module of claim 2, wherein the stop step is further abutted against the outer end face of the connecting tube and is hermetically welded and connected into a whole by a laser welding process.

5. The camera module of claim 2, wherein the outer wall of the connecting column further forms a second external thread, the inner wall of the connecting tube further forms a second internal thread, and the connecting column is in threaded connection with the connecting tube by the second external thread matching with the second internal thread.

6. The camera module of claim 1, wherein the stopping step is a convex ring formed at the root of the connecting post, and a circular groove is correspondingly formed between the stopping step and the lens body at a predetermined distance.

7. The camera module of claim 1, wherein the connecting posts are hollow posts and have openings at an end surface thereof remote from the lens body.

Images