CN107483677B

CN107483677B - Cover plate assembly, camera module and mobile terminal

Info

Publication number: CN107483677B
Application number: CN201710887217.2A
Authority: CN
Inventors: 邱泽朔; 姜宇; 彭运辉; 冉可
Original assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Current assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority date: 2017-09-26
Filing date: 2017-09-26
Publication date: 2020-07-17
Anticipated expiration: 2037-09-26
Also published as: CN107483677A

Abstract

The invention provides a cover plate assembly which is used for covering a camera and comprises a camera lens, a cover plate and a shell, wherein the cover plate and the shell are arranged in a stacked mode, the cover plate is provided with a first light-transmitting hole, the shell is provided with a first through hole, the first through hole and the first light-transmitting hole are opposite to the camera so as to transmit light entering the camera, and the camera lens is embedded into the first light-transmitting hole and abuts against the shell. The cover plate assembly has high pressure resistance. The invention also discloses a camera module and a mobile terminal.

Description

Cover plate assembly, camera module and mobile terminal

Technical Field

The invention relates to the field of electronic equipment, in particular to a cover plate assembly, a camera module and a mobile terminal.

Background

The camera lens of current cell-phone covers behind the cell-phone through double faced adhesive tape subsides, if the camera lens receives the exogenic action, and the exogenic force is pushed the camera lens to the direction of keeping away from lid behind the cell-phone, and the double faced adhesive tape is inefficacy easily or is torn, leads to the camera lens to break away from lid behind the cell-phone and drop, therefore the compressive capacity of camera lens is poor.

Disclosure of Invention

The invention aims to provide a cover plate assembly with high pressure resistance, a camera module and a mobile terminal.

In order to achieve the above purpose, the embodiment of the invention adopts the following technical scheme:

on the one hand, the cover plate assembly is used for covering a camera and is arranged on the camera, the cover plate assembly comprises a camera lens, a cover plate and a shell, the cover plate is arranged in a stacked mode and is provided with a first light transmitting hole, the shell is provided with a first through hole, the first through hole and the first light transmitting hole are right opposite to the camera so as to penetrate into light of the camera, and the camera lens is embedded into the first light transmitting hole and is abutted to the shell.

On the other hand, still provide a camera module, including camera and above-mentioned apron subassembly.

In another aspect, a mobile terminal is further provided, which includes a housing and the above camera module, where the camera module is accommodated inside the housing.

Compared with the prior art, the invention has the following beneficial effects:

because the cover plate and the shell are arranged in a stacked mode, the camera lens is embedded into the first light-transmitting hole and abuts against the shell, and therefore the shell provides bearing capacity for the camera lens. When external force is acted on the camera lens, the camera lens is pressed tightly by the external force on the shell, the shell is positively supported by the external force, so that the camera lens cannot be separated from the shell, and the camera lens can bear larger external force due to the fact that the camera lens is fixed inside the mobile terminal and the bearing capacity of the shell is stronger, and the cover plate assembly, the camera module and the mobile terminal are stronger in pressure resistance.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a mobile terminal according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of a configuration of one embodiment of a camera of the mobile terminal shown in FIG. 1;

FIG. 3 is an exploded view of the camera head shown in FIG. 2;

FIG. 4 is a schematic diagram of another embodiment of a camera of the mobile terminal shown in FIG. 1;

FIG. 5 is a schematic diagram of one embodiment of the structure at A in FIG. 2;

FIG. 6 is a schematic diagram of another embodiment of the structure at A in FIG. 2;

fig. 7 is an enlarged schematic view of the structure at B in fig. 2.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.

Furthermore, the following description of the various embodiments refers to the accompanying drawings, which illustrate specific embodiments in which the invention may be practiced. Directional phrases used in this disclosure, such as, for example, "upper," "lower," "front," "rear," "left," "right," "inner," "outer," "side," and the like, refer only to the orientation of the appended drawings and are, therefore, used herein for better and clearer illustration and understanding of the invention, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed at … …" are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; may be a mechanical connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified. In the present specification, the term "step" is used to mean not only an independent step but also an independent step unless clearly distinguished from other steps, as long as the intended function of the step is achieved. In the present specification, the numerical ranges indicated by "are ranges including the numerical values recited before and after" are respectively the minimum value and the maximum value. In the drawings, elements having similar or identical structures are denoted by the same reference numerals.

Referring to fig. 1, an embodiment of the invention provides a mobile terminal 100. The mobile terminal 100 may be any device with communication and storage functions, such as: the system comprises intelligent equipment with a network function, such as a tablet computer, a mobile phone, an electronic reader, a remote controller, a Personal Computer (PC), a notebook computer, vehicle-mounted equipment, a network television, wearable equipment and the like.

Referring to fig. 1 to 3, the mobile terminal 100 includes a housing 200 and a camera module 300. The camera module 300 is accommodated inside the housing 200. The housing 200 includes a rear cover, and the camera module 300 is located at an inner side of the rear cover. The housing 200 may also include a bezel. The camera module 300 includes a camera 1 and a cover plate assembly. The cover plate assembly is used for covering the camera 1. The cover plate assembly comprises a camera lens 2, a cover plate 3 and a shell 4 which are arranged in a stacked mode. The cover plate 3 has a first light-transmitting hole 31. The housing 4 has a first through hole 41. The first through hole 41 and the first light transmission hole 31 face the camera 1 to transmit light entering the camera 1. The camera lens 2 is embedded in the first light-transmitting hole 31 and abuts against the shell 4. The housing 200 has a mounting hole through which the housing 200 is fitted around the cover plate 3.

In this embodiment, since the cover plate 3 and the housing 4 are stacked, the camera lens 2 is embedded into the first light-transmitting hole 31 and abuts against the housing 4, and thus the housing 4 provides a bearing capacity for the camera lens 2. When external force is acted on the camera lens 2, the external force compresses the camera lens 2 on the shell 4, the shell 4 bears the external force in the front, so the camera lens 2 cannot be separated from the shell 4, and the bearing capacity of the shell 4 is stronger because the shell is fixed in the mobile terminal 100, so the camera lens 2 can bear larger external force, and the cover plate assembly, the camera module 300 and the mobile terminal 100 have stronger pressure resistance.

Optionally, the hardness of the material of the camera lens 2 is greater than that of the material of the cover plate 3. The camera lens 2 may be made of sapphire glass, and has a good hardness and is not easily worn, so that the reliability of the cover plate assembly, the camera module 300 and the mobile terminal 100 is improved.

In an embodiment, referring to fig. 2 and fig. 3, the first through hole 41 is disposed coaxially with the first light-transmitting hole 31, and a cross-sectional area of the first through hole 41 is smaller than a cross-sectional area of the first light-transmitting hole 31. The outer peripheral side surface of the camera lens 2 abuts against the inner peripheral side surface of the first light-transmitting hole 31. Since the cross-sectional area of the first through hole 41 is smaller than the cross-sectional area of the first light transmitting hole 31, the periphery of the camera lens 2 directly abuts against the housing 4. When external force is acted on the camera lens 2, the shell 4 can support the camera lens 2, so that the camera lens 2 is prevented from extruding the camera 1, and the camera 1 is protected.

In another embodiment, referring to fig. 4, the housing 4 has a boss 42 surrounding the first through hole 41. The boss 42 extends into the first light-transmitting hole 31 and abuts against the camera lens 2. The boss 42 extends into the first light hole 31, so that the housing 4 and the cover plate 3 can be positioned with each other, the housing 4 and the cover plate 3 are assembled with high precision, and the displacement of the cover plate assembly, the camera module 300 and the mobile terminal 100 during the use process of the housing 4 and the cover plate 3 can be avoided. Moreover, the boss 42 abuts against the camera lens 2, and can stably support the camera lens 2. When external force is acted on the camera lens 2, the boss 42 can support the camera lens 2, so that the camera lens 2 is prevented from extruding the camera 1, and the camera 1 is protected.

Wherein the boss 42 may be a continuous annular boss. The boss 42 may also be a plurality of protrusions arranged at intervals, and the plurality of protrusions are arranged around the first through hole 41.

Optionally, referring to fig. 2 to 4, the cover plate assembly further includes a gasket 21, and the gasket 21 adheres the camera lens 2 to the housing 4. Meanwhile, the gasket 21 has a certain thickness, and the gasket 21 also plays a role in buffering.

As an alternative embodiment, referring to fig. 2 and fig. 3, the camera module 300 further includes a flash 5. The cover plate assembly is also used for covering the flash lamp 5. The cover plate 3 has a second light-transmitting hole 32. The housing 4 has a second through hole 43. The second through hole 43 and the second light-transmitting hole 32 face the flash 5 so that light of the flash 5 can pass through. The cover plate assembly further comprises a flash lens 6, and the flash lens 6 is embedded in the second light-transmitting hole 32. The flash lamp lens 6 is provided with Fresnel ripples towards the light incident surface of the flash lamp 5, so that the flash lamp lens 6 is a Fresnel lens. The light emitted by the flash lamp 5 enters through the light inlet surface and exits through the light outlet surface of the flash lamp lens 6 to form a light-gathering beam, so that light gathering is realized, and a light supplementing effect is achieved.

In this embodiment, because camera lens 2 with flash light lens 6 is all fixed on the apron 3, camera lens 2 with flash light lens 6 adjacent setting, consequently can form the visual effect of two cameras, improves user experience to only need the assembly once to accomplish camera lens 2 with flash light lens 6's assembly, the assembly is saved time.

In an embodiment, referring to fig. 2, fig. 3 and fig. 5, a hole wall of the second through hole 43 has a limit step 44, and the flash lens 6 abuts against the limit step 44. When an external force acts on the flash lens 6, the limit step 44 can support the flash lens 6, prevent the flash lens 6 from pressing the flash 5, and thus protect the flash 5.

Further, the strobe light lens 6 has a stopper portion 61, and the stopper portion 61 is stopped between the stopper step 44 and the cover plate 3. At this time, the cover plate 3 and the housing 4 together limit the limit portion 61, and the strobe light lens 6 can be prevented from falling off.

In another embodiment, referring to fig. 6, the hole wall 33 of the second light hole 32 is inclined away from the flashlight 5 for supporting the flashlight lens 6. When an external force acts on the flash lens 6, the hole wall 33 of the second light transmission hole 32 can support the flash lens 6, so that the flash lens 6 is prevented from pressing the flash 5, and the flash 5 is protected. Of course, the inclined hole wall 33 of the second light-transmitting hole 32 and the connection area between the flash lamp lenses 6 are large, so that the connection strength between the flash lamp lenses 6 and the cover plate 3 can be increased, and the risk that the flash lamp lenses 6 are separated from the cover plate 3 due to accidental impact and the like is reduced.

Further, the second through hole 43 is coaxially disposed with the second light-transmitting hole 32, and the cross-sectional area of the second through hole 43 is smaller than that of the second light-transmitting hole 32. At this time, the flash lens 6 can also simultaneously abut against the shell 4, so that the shell 4 and the cover plate 3 simultaneously support the flash lens 6, thereby improving the pressure resistance of the flash lens 6.

As an alternative embodiment, referring to fig. 2, fig. 3 and fig. 7, the camera module 300 further includes a circuit board 7. The cover plate assembly is also used to cover the circuit board 7. The circuit board 7 has a hollow escape area 71. The flash lamp 5 is fixed on the circuit board 7. The cover assembly further comprises a decorative ring 8. The decorative ring 8 is sleeved on the outer side of the cover plate 3 and is electrically connected with the grounding end 72 of the circuit board 7. The decorative ring 8 is fitted into the mounting hole, and the decorative ring 8 extends from the inside of the housing 200 to the outside of the housing 200 through the mounting hole (as shown in fig. 1).

In this embodiment, since the decorative ring 8 is electrically connected to the ground terminal 72 of the circuit board 7, the decorative ring 8 can rapidly guide static electricity around the camera module 300 into the ground terminal 72 of the circuit board 7, so as to achieve static electricity resistance, and the camera module 300 and the mobile terminal 100 have static electricity resistance.

Alternatively, the escape area 71 may be completely open or may be semi-enclosed. The camera 1 is located in the avoidance area 71, so that the assembly height of the camera 1 and the assembly height of the flash lamp 5 in the camera module 300 and the mobile terminal 100 can be adjusted to realize adaptation.

Optionally, the housing 4 includes a bearing portion 45 and a mounting portion 46 disposed around the bearing portion 45. The first through hole 41 and the second through hole 43 are provided in the bearing portion 45. The mounting portion 46 has a limiting groove 461 disposed around the bearing portion 45. The limiting groove 461 opens in a direction away from the circuit board 7. The inner groove wall of the limiting groove 461 is coplanar with the outer side surface of the bearing part 45. The decorative ring 8 is sleeved on the outer side of the bearing part 45 and clamped into the limiting groove 461. The inner side surface of the decorative ring 8 abuts against the outer side surface of the bearing part 45 and the inner side groove wall of the limiting groove 461.

In this embodiment, the mounting portion 46 bears the decorative ring 8 through the limiting groove 461, so that the decorative ring 8 has a certain bearing force, thereby improving the reliability of the camera module 300 and the mobile terminal 100.

Optionally, the decorative ring 8 includes a ring body 81 and a flange 82 extending from one end of the ring body 81. The flange 82 abuts against the bottom wall of the limiting groove 461. In other words, the flange 82 is formed at an end of the ring body 81 facing the stopper groove 461. Because the flange 82 abuts against the bottom wall of the limiting groove 461, the connecting area between the decorative ring 8 and the limiting groove 461 can be increased, the stability of the decorative ring 8 can be increased, and the risk that the ring body 81 deforms under the action of external force can be reduced.

Optionally, the decorative ring 8 is made of a metal material so as to have high strength and thin thickness. The decorative ring 8 is integrally formed, and the ring body 81 and the flange 82 can be formed by stamping and/or bending.

Optionally, the flange 82 is provided with a first coupling aperture 821. The mounting portion 46 is provided with a second connection hole 462 communicating with the first connection hole 821. The second connection hole 462 communicates with the limiting groove 461. The mounting portion 46 abuts against the circuit board 7. The cover plate assembly further comprises an electrical connector 9. The electrical connector 9 is inserted into the first connection hole 821 and the second connection hole 462 and abuts against the ground terminal 72. At this time, the bezel 8 is electrically connected to the ground terminal 72 of the circuit board 7 through the electrical connector 9.

Optionally, the circuit board 7 has a plurality of the ground terminals 72 disposed opposite to the flange 82 and spaced apart from each other. The number of the first connection holes 821, the second connection holes 462 and the electrical connection members 9 is the same as that of the grounding terminals 72, so that the decoration ring 8 can be grounded at multiple points, thereby better achieving an antistatic effect.

Alternatively, the second connection hole 462 is coaxially disposed with the first connection hole 821. The electric connector 9 can be smoothly inserted or formed in the first connection hole 821 and the first connection hole 821. The cross-sectional area of the second connection hole 462 is equal to or greater than the cross-sectional area of the first connection hole 821. The electrical connector 9 can smoothly enter the second connection hole 462 through the first connection hole 821 and abut against the ground terminal 72.

Optionally, the electrical connector 9 is solder or a fastener made of conductive material. During assembly, the cover plate 3 and the decorative ring 8 are positioned on the circuit board 7, and then the first connection hole 821, the second connection hole 462 and the ground terminal 72 are soldered to form a solder for connecting the first connection hole 821, the second connection hole 462 and the ground terminal 72, wherein the solder realizes the electrical connection between the decorative ring 8 and the ground terminal 72; or a fastener sequentially passes through the first connection hole 821 and the second connection hole 462 and abuts against the ground terminal 72, so as to lock the decoration ring 8, the cover plate 3 to the circuit board 7 and realize the electrical connection between the decoration ring 8 and the ground terminal 72.

As an alternative embodiment, referring to fig. 2, 3 and 7, the cover plate assembly further includes a sealing member 10. The sealing element 10 is sleeved on the outer side of the decorative ring 8 and abuts against the flange 82. The sealing member 10 is used to seal the gap between the housing 200 and the bezel 8.

In this embodiment, the camera module 300 and the mobile terminal 100 when the housing 200 is assembled, the sealing member 10 outside the decorative ring 8 is pressed by the housing 200, so as to seal the housing 200 of the mobile terminal 100 and the gap between the decorative rings 8, the sealing member 10 can prevent external water vapor from passing through the housing 200 and the gap between the decorative rings 8 enters the inside of the mobile terminal 100, so that the camera module 300 is applied to the mobile terminal 100, and the sealing performance is good and the reliability is high. Meanwhile, the sealing member 10 abuts against the flange 82, and the sealing member 10 can press the flange 82 against the bottom wall of the limiting groove 461. When the housing 200 presses the sealing member 10, the sealing member 10 transmits a pressing force to the flange 82, so that the flange 82 is pressed against the mounting portion 46, thereby improving the reliability and tightness of the connection between the bezel 8 and the cover plate 3.

It will be appreciated that the seal 10 may be a gasket. The sealing element 10 is tightly sleeved on the outer side of the decorative ring 8, and no gap exists between the sealing element 10 and the peripheral side face of the decorative ring 8. When the sealing member 10 is pressed by the housing 200, the sealing member 10 is compressed in a direction parallel to the outer circumferential side of the bezel 8 and is increased in a direction perpendicular to the outer circumferential side of the bezel 8 to better seal a gap between the housing 200 of the mobile terminal 100 and the bezel 8.

Optionally, the flange 82 has an abutment surface 822 that abuts the seal 10. The electrical connection 9 has a top surface 91 remote from the circuit board 7. The top surface 91 protrudes from the abutting surface 822 or is flush with the abutting surface 822. At this time, the electric connector 9 completely fills the first connection hole 821, thereby increasing a connection area of the bezel 8 and the electric connector 9, thereby improving reliability of electric connection.

The sealing element 10 is made of an elastic material, and the sealing element 10 covers the top surface 91. The seal 10 has better sealing properties when compressed. The seal 10 covers the top surface 91. The sealing member 10 can absorb the protrusion or unevenness caused by the electrical connector 9, so that the camera module 300 can stably abut against the housing 200, thereby ensuring the reliability of assembly.

As an alternative embodiment, please refer to fig. 2, fig. 3 and fig. 7, a side of the carrier 45 facing the circuit board 7 has a plurality of positioning protrusions 47. The positioning projections 47 are spaced apart from each other and are snapped into the circuit board 7. The positioning protrusions 47 are spaced apart from each other to improve the positioning effect. When the positioning protrusion 47 is clamped into the circuit board 7, the cover plate 3 and the circuit board 7 can be positioned, so that the camera 1 and the camera lens 2 are aligned, the flash lamp 5 and the flash lamp lens 6 are aligned, the camera module 300 and the mobile terminal 100 are high in assembly precision, and the product yield is high.

The above embodiments of the present invention are described in detail, and the principle and the implementation of the present invention are explained by applying specific embodiments, and the above description of the embodiments is only used to help understanding the method of the present invention and the core idea thereof; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.

Claims

1. The utility model provides a apron subassembly for the lid is established on the camera, its characterized in that, the apron subassembly includes camera lens and range upon range of apron and casing that sets up, the apron has first light trap, the casing has first through-hole, first through-hole with first light trap is just right the camera is in order to see through the entering the light of camera, first through-hole with the coaxial setting of first light trap, the cross-sectional area of first through-hole is less than the cross-sectional area of first light trap, the embedding of camera lens first light trap supports and holds the casing, and fixedly connect in on the casing, the camera lens with the casing reaches the camera encloses jointly and establishes and forms spacing space.

2. The cover assembly of claim 1, wherein the housing has a boss disposed around the first through hole, the boss extending into the first light hole and abutting the camera lens.

3. The cover assembly of claim 1 or 2, further comprising a gasket, the gasket bonding the camera lens to the housing.

4. The cover plate assembly of any one of claims 1-2, wherein the cover plate assembly is further configured to cover a flash lamp, the cover plate has a second light hole, the housing has a second through hole, the second through hole and the second light hole face the flash lamp to allow light of the flash lamp to pass through, and the cover plate assembly further comprises a flash lamp lens, and the flash lamp lens is embedded in the second light hole.

5. The cover plate assembly as claimed in claim 4, wherein the second through hole has a limiting step on the hole wall, and the flash lens abuts against the limiting step.

6. The cover plate assembly of claim 5, wherein the flash lens has a stop portion that is stopped between the stop step and the cover plate.

7. The cover assembly of claim 4, wherein the wall of the second light-transmitting aperture is angled away from the flash to support the flash lens.

8. The cover assembly of claim 7, wherein the second through hole is coaxially disposed with the second light-transmitting hole, and the second through hole has a cross-sectional area smaller than that of the second light-transmitting hole.

9. The cover plate assembly according to any one of claims 1 to 2, wherein the cover plate assembly is further configured to cover a circuit board, the circuit board has a hollow avoidance area, the camera is disposed in the avoidance area, the flash lamp is fixed on the circuit board, and the cover plate assembly further includes a decoration ring, the decoration ring is sleeved on an outer side of the cover plate and electrically connected to a ground terminal of the circuit board.

10. The cover plate assembly of claim 9, wherein the housing includes a bearing portion and an installation portion disposed around the bearing portion, the installation portion having a limiting groove disposed around the bearing portion, the decorative collar being disposed outside the bearing portion and being snapped into the limiting groove.

11. The decking assembly defined in claim 10 wherein the decorative ring includes a ring body and a flange extending from one end of the ring body, the flange bearing against the bottom wall of the retaining groove.

12. The cover plate assembly of claim 11, wherein the flange has a first connection hole, the mounting portion has a second connection hole communicating with the first connection hole, the mounting portion abuts against the circuit board, and the cover plate assembly further comprises an electrical connector inserted into the first connection hole and the second connection hole and abutting against the ground terminal.

13. The cover plate assembly of claim 12, wherein the second connection hole is coaxially disposed with the first connection hole, and a cross-sectional area of the second connection hole is equal to or greater than a cross-sectional area of the first connection hole.

14. The decking assembly defined in claim 13 further comprising a seal that fits over the outer side of the trim ring and abuts the flange.

15. The cover assembly of claim 14, wherein the flange has an abutment surface that abuts the seal, and the electrical connector has a top surface remote from the circuit board that is raised above or flush with the abutment surface.

16. The cover assembly of claim 15, wherein the sealing member is an elastomeric material, the sealing member covering the top surface.

17. The cover plate assembly according to claim 10, wherein the side of the carrier part facing the circuit board has a plurality of positioning projections which are arranged at a distance from one another and which engage into the circuit board.

18. A camera module comprising a camera and a cover plate assembly as claimed in any one of claims 1 to 17.

19. A mobile terminal comprising a housing and the camera module of claim 18, the camera module being housed within the housing.