CN107483677A - Cover assembly, camera module and mobile terminal - Google Patents

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 assembly, camera module and mobile terminal

technical field

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

Background technique

The camera lens of the existing mobile phone is pasted on the back cover of the mobile phone with double-sided adhesive tape. If the camera lens is subjected to an external force, the external force will push the camera lens away from the back cover of the mobile phone, and the double-sided adhesive tape will easily fail or be torn, resulting in The camera lens falls off from the back cover of the mobile phone, so the camera lens has poor compression resistance.

Contents of the invention

The purpose of the present invention is to provide a cover assembly, a camera module and a mobile terminal with strong pressure resistance.

In order to achieve the above object, the embodiment of the present invention adopts the following technical solutions:

On the one hand, a cover plate assembly is provided, which is used to cover the camera head. The cover plate assembly includes a camera lens, a cover plate and a casing stacked, the cover plate has a first light-transmitting hole, and the shell The body has a first through hole, the first through hole and the first light-transmitting hole face the camera to transmit the light entering the camera, and the camera lens is embedded in the first light-transmitting hole and resists Hold the housing.

On the other hand, a camera module is also provided, including a camera and the above-mentioned cover assembly.

In yet another aspect, a mobile terminal is also provided, including a casing and the above-mentioned camera module, and the camera module is accommodated inside the casing.

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

Since the cover plate and the housing are stacked, the camera lens is inserted into the first light transmission hole and is pressed against the housing, so the housing provides bearing capacity for the camera lens. When an external force acts on the camera lens, the external force presses the camera lens on the housing, and the front of the housing bears the external force, so the camera lens will not break away from the housing , and because the housing fixed inside the mobile terminal has a strong bearing capacity, the camera lens can withstand a relatively large external force, the cover assembly, the camera module and the mobile terminal Strong ability to resist pressure.

Description of drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following will briefly introduce the drawings that need to be used in the implementation. Obviously, the drawings in the following description are some implementations of the present invention, which are common to those skilled in the art. As far as the skilled person is concerned, other drawings can also be obtained based on these drawings on the premise of not paying creative work.

FIG. 1 is a schematic structural diagram of a mobile terminal provided by an embodiment of the present invention;

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

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

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

Fig. 5 is a schematic structural view of an embodiment of the structure at A in Fig. 2;

Fig. 6 is a schematic structural view 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 following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

In addition, the following descriptions of the various embodiments refer to the attached drawings to illustrate specific embodiments in which the present invention can be implemented. The directional terms mentioned in the present invention, for example, "upper", "lower", "front", "rear", "left", "right", "inner", "outer", "side", etc., only is to refer to the direction of the attached drawings. Therefore, the direction terms used are for better and more clearly explaining and understanding the present invention, rather than indicating or implying that the device or element referred to must have a specific orientation, use a specific orientation construction and operation, therefore, should not be construed as limiting the invention.

In the description of the present invention, it should be noted that, unless otherwise specified and limited, the terms "installation", "connection", "connection", and "set on..." should be understood in a broad sense, for example, it can be A fixed connection can also be a detachable connection or an integral connection; it can be a mechanical connection; it can be a direct connection or an indirect connection through an intermediary, and it can be an internal communication between two elements. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention in specific situations.

In addition, in the description of the present invention, unless otherwise specified, "plurality" means two or more. If the term "process" appears in this specification, it not only refers to an independent process, but also includes in this term as long as it can realize the expected function of the process when it cannot be clearly distinguished from other processes. In addition, the numerical range indicated by "~" in this specification means the range which includes the numerical value described before and after "~" as a minimum value and a maximum value, respectively. In the drawings, units with similar or identical structures are denoted by the same reference numerals.

Referring to FIG. 1 , an embodiment of the present invention provides a mobile terminal 100 . The mobile terminal 100 can be any device with communication and storage functions, such as: tablet computer, mobile phone, e-reader, remote controller, personal computer (Personal Computer, PC), notebook computer, vehicle-mounted equipment, network TV, wearable devices and other smart devices with network functions.

Please refer to FIG. 1 to FIG. 3 in conjunction, 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 back cover, and the camera module 300 is located inside the back cover. The housing 200 may further include a frame. The camera module 300 includes a camera 1 and a cover assembly. The cover assembly is used to cover the camera head 1 . The cover plate assembly includes a camera lens 2 , a cover plate 3 and a casing 4 arranged in layers. 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-transmitting hole 31 face the camera 1 so as to transmit light entering the camera 1 . The camera lens 2 is embedded in the first light-transmitting hole 31 and abuts against the casing 4 . The housing 200 has a mounting hole, and the housing 200 is covered by the mounting hole on the peripheral side of the cover plate 3 .

In this embodiment, since the cover plate 3 and the casing 4 are stacked, the camera lens 2 is embedded in the first light-transmitting hole 31 and abuts against the casing 4, so the casing 4 Provide bearing capacity for the camera lens 2 . When an external force acts on the camera lens 2, the external force will press the camera lens 2 on the housing 4, and the front of the housing 4 bears the external force, so the camera lens 2 will not Separated from the housing 4, and because the housing 4 fixed inside the mobile terminal 100 has a strong bearing capacity, the camera lens 2 can withstand a relatively large external force, the cover plate assembly, the The camera module 300 and the mobile terminal 100 have strong pressure resistance.

Optionally, the material hardness of the camera lens 2 is greater than that of the cover plate 3 . The material of the camera lens 2 can be sapphire glass, which has better hardness and is not easy to be worn, so as to improve the reliability of the cover assembly, the camera module 300 and the mobile terminal 100 .

In one embodiment, please refer to FIG. 2 and FIG. 3 , the first through hole 41 is coaxially arranged with the first light-transmitting hole 31 , and the cross-sectional area of the first through hole 41 is smaller than that of the first through hole 41 . The cross-sectional area of the first light-transmitting hole 31 . The outer peripheral side of the camera lens 2 is opposed to the inner peripheral side of the first light-transmitting hole 31 . Since the cross-sectional area of the first through hole 41 is smaller than that of the first light-transmitting hole 31 , the peripheral edge of the camera lens 2 directly abuts against the casing 4 . When an external force acts on the camera lens 2 , the casing 4 can support the camera lens 2 and prevent the camera lens 2 from pressing the camera 1 , thereby protecting the camera 1 .

In another embodiment, please refer to FIG. 4 , the housing 4 has a boss 42 disposed around the first through hole 41 . The boss 42 protrudes into the first light-transmitting hole 31 and abuts against the camera lens 2 . The boss 42 protrudes into the first light-transmitting hole 31, which can realize the mutual positioning between the housing 4 and the cover plate 3, so that the assembly accuracy of the housing 4 and the cover plate 3 At the same time, it can prevent the housing 4 and the cover 3 from being displaced during the use of the cover assembly, the camera module 300 and the mobile terminal 100 . Furthermore, the boss 42 is against the camera lens 2 and can stably support the camera lens 2 . When an external force acts on the camera lens 2 , the boss 42 can support the camera lens 2 and prevent the camera lens 2 from pressing the camera 1 , thereby protecting the camera 1 .

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

Optionally, please refer to FIG. 2 to FIG. 4 , the cover plate assembly further includes a gasket 21 , and the gasket 21 adheres the camera lens 2 to the casing 4 . At the same time, the washer 21 has a certain thickness, and the washer 21 also plays a buffering role.

As an optional embodiment, please refer to FIG. 2 and FIG. 3 in conjunction, the camera module 300 further includes a flashlight 5 . The cover assembly is also used to cover the flashlight 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 are facing the flashlight 5 for the light of the flashlight 5 to pass through. The cover assembly further includes a flashlight lens 6 , and the flashlight lens 6 is embedded in the second light-transmitting hole 32 . The light incident surface of the flash lens 6 facing the flash 5 is provided with Fresnel corrugations, so that the flash lens 6 is a Fresnel lens. The light emitted by the flashlight 5 enters through the light-incident surface and exits through the light-emitting surface of the flashlight lens 6 to form a focused beam, so as to realize light concentration and achieve the supplementary light effect.

In this embodiment, since the camera lens 2 and the flash lens 6 are fixed on the cover plate 3, and the camera lens 2 and the flash lens 6 are adjacently arranged, a dual-camera vision can be formed. effect, improve user experience, and only need to assemble once to complete the assembly of the camera lens 2 and the flash lens 6, saving time for assembly.

In one embodiment, please refer to FIG. 2 , FIG. 3 and FIG. 5 in conjunction, the hole wall of the second through hole 43 has a limiting step 44 , and the flash lens 6 is against the limiting step 44 . When an external force acts on the flash lens 6 , the limiting step 44 can support the flash lens 6 and prevent the flash lens 6 from squeezing the flash 5 , thereby protecting the flash 5 .

Further, the flash lens 6 has a limiting portion 61 , and the limiting portion 61 is limited between the limiting step 44 and the cover plate 3 . At this time, the cover plate 3 and the casing 4 jointly limit the limit portion 61 , which can prevent the flash lens 6 from falling off.

In another embodiment, please refer to FIG. 6 , the hole wall 33 of the second light-transmitting hole 32 is inclined away from the flashlight 5 to support 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 to prevent the flash lens 6 from pressing the flash 5, thereby protecting the Describe the function of flashlight 5. Certainly, the connection area between the hole wall 33 of the inclined second light transmission hole 32 and the flash lens 6 is larger, which can also increase the connection strength between the flash lens 6 and the cover plate 3 , The risk of the flash lens 6 detaching from the cover plate 3 due to accidental impact or the like is reduced.

Further, the second through hole 43 is arranged coaxially with the second light transmission hole 32 , and the cross-sectional area of the second through hole 43 is smaller than that of the second light transmission hole 32 . At this time, the flash lens 6 can also be pressed against the casing 4 at the same time, so that the casing 4 and the cover plate 3 support the flash lens 6 at the same time, thereby improving the compression resistance of the flash lens 6 ability.

As an optional embodiment, please refer to FIG. 2 , FIG. 3 and FIG. 7 in conjunction, the camera module 300 further includes a circuit board 7 . The cover assembly is also used to cover the circuit board 7 . The circuit board 7 has a hollow escape area 71 . The flashlight 5 is fixed on the circuit board 7 . The cover assembly also includes a decorative ring 8 . The decoration ring 8 is sleeved on the outside of the cover plate 3 and electrically connected to the ground terminal 72 of the circuit board 7 . The decorative ring 8 is matched with the mounting hole, and the decorative ring 8 extends from the inside of the casing 200 through the mounting hole to the outside of the casing 200 (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 quickly guide the static electricity around the camera module 300 into the ground of the circuit board 7. In the end 72, so as to achieve anti-static, the camera module 300 and the mobile terminal 100 have anti-static performance.

Optionally, the avoidance area 71 may be completely open or semi-enclosed. The camera 1 is located in the avoidance area 71 , so that the assembly height of the camera 1 in the camera module 300 and the mobile terminal 100 and the assembly height of the flashlight 5 can be adjusted to achieve matching.

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 disposed on the carrying portion 45 . The mounting portion 46 has a limiting groove 461 disposed around the carrying portion 45 . The limiting slot 461 opens toward a direction away from the circuit board 7 . An inner wall of the limiting groove 461 is coplanar with an outer surface of the bearing portion 45 . The decorative ring 8 is sleeved on the outer side of the bearing portion 45 and snapped into the limiting groove 461 . The inner surface of the decorative ring 8 is against the outer surface of the bearing portion 45 and the inner groove wall of the limiting groove 461 .

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

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 is against the bottom wall of the limiting groove 461 . In other words, the flange 82 is formed on the end of the ring body 81 facing the limiting groove 461 . Since the flange 82 is against the bottom wall of the limiting groove 461, the connection 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 There is a risk of deformation of the ring body 81 under the action of external force.

Optionally, the decorative ring 8 is made of metal material to have higher strength and thinner 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 connection hole 821 . The installation portion 46 defines a second connecting hole 462 communicating with the first connecting hole 821 . The second connecting hole 462 communicates with the limiting groove 461 . The mounting portion 46 is against the circuit board 7 . The cover assembly also includes an electrical connector 9 . The electrical connector 9 passes through the first connection hole 821 and the second connection hole 462 and abuts against the ground terminal 72 . At this moment, the decoration ring 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 ground terminals 72 disposed opposite to the flange 82 and spaced apart from each other. The number of the first connecting hole 821, the second connecting hole 462, and the electrical connector 9 is the same as the number of the grounding terminal 72, so that the decorative ring 8 can achieve multi-point grounding, so as to better achieve Antistatic effect.

Optionally, the second connection hole 462 is coaxially arranged with the first connection hole 821 . The electrical 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 connecting hole 462 is greater than or equal to the cross-sectional area of the first connecting hole 821 . The electrical connecting member 9 can enter the second connecting hole 462 through the first connecting hole 821 smoothly and abut against the ground terminal 72 .

Optionally, the electrical connector 9 is solder or a fastener made of conductive material. When assembling, first position the cover plate 3 and the decorative ring 8 on the circuit board 7, and then weld the first connection hole 821, the second connection hole 462 and the ground terminal by welding 72, to form solder connecting the first connection hole 821, the second connection hole 462 and the ground terminal 72, the solder realizes the electrical connection between the decorative ring 8 and the ground terminal 72; Or pass through the first connection hole 821 and the second connection hole 462 in sequence through fasteners and abut against the ground end 72, so as to lock the decorative ring 8 and the cover plate 3 to the circuit plate 7, and realize the electrical connection between the decorative ring 8 and the ground terminal 72.

As an optional embodiment, please refer to FIG. 2 , FIG. 3 and FIG. 7 in conjunction, the cover assembly further includes a seal 10 . The sealing member 10 is sleeved on the outer side of the decoration ring 8 and abuts against the flange 82 . The sealing member 10 is used to seal the gap between the housing 200 and the decoration ring 8 .

In this embodiment, when the camera module 300 is assembled with the housing 200 of the mobile terminal 100, the seal 10 sleeved on the outside of the decorative ring 8 is pressed by the housing 200, thereby sealing The gap between the shell 200 of the mobile terminal 100 and the decorative ring 8 , the seal 10 can prevent external water vapor from entering the interior of the mobile terminal 100 through the gap between the shell 200 and the decorative ring 8 , so that the mobile terminal 100 to which the camera module 300 is applied has good airtightness and high reliability. At the same time, the sealing member 10 is 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 the pressing force to the flange 82, so that the flange 82 is pressed against the mounting portion 46, thereby improving the The reliability and tightness of the connection between the decorative ring 8 and the cover plate 3 .

It can be understood that the sealing member 10 can be a sealing ring. The sealing member 10 is tightly sleeved on the outside of the decorative ring 8 , and there is no gap between the sealing member 10 and the outer peripheral side of the decorative ring 8 . When the sealing member 10 is squeezed by the housing 200, the size of the sealing member 10 in the direction parallel to the outer peripheral side of the decorative ring 8 is compressed, and in the direction perpendicular to the outer peripheral side of the decorative ring 8 The upper dimension is increased to better seal the gap between the casing 200 of the mobile terminal 100 and the decorative ring 8 .

Optionally, the flange 82 has a resisting surface 822 resisting the sealing member 10 . The electrical connector 9 has a top surface 91 away 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 electrical connector 9 completely fills the first connection hole 821 , thereby increasing the connection area between the decorative ring 8 and the electrical connector 9 , thereby improving the reliability of the electrical connection.

The sealing member 10 is made of elastic material, and the sealing member 10 covers the top surface 91 . The sealing member 10 has better sealing performance after being compressed. The seal 10 covers the top surface 91 . The sealing member 10 can absorb the bumps or unevenness caused by the electrical connector 9 , so that the camera module 300 can be stably held against the housing 200 , thus ensuring the reliability of assembly.

As an optional embodiment, please refer to FIG. 2 , FIG. 3 and FIG. 7 , the side of the carrying portion 45 facing the circuit board 7 has a plurality of positioning protrusions 47 . The plurality of positioning protrusions 47 are spaced apart from each other and snapped into the circuit board 7 . A plurality of positioning protrusions 47 are arranged at intervals to improve the positioning effect. When the positioning protrusion 47 snaps into the circuit board 7, the positioning between the cover plate 3 and the circuit board 7 can be realized, so that the camera 1 is aligned with the camera lens 2, and the The flashlight 5 is aligned with the flashlight lens 6 , the camera module 300 and the mobile terminal 100 are assembled with high precision and high product yield.

The embodiments of the present invention have been described in detail above, and specific examples have been used in this paper to illustrate the principles and implementation methods of the present invention. The descriptions of the above embodiments are only used to help understand the method and core idea of the present invention; at the same time, for Those skilled in the art will have changes in the specific implementation and scope of application according to the idea of the present invention. In summary, the contents of this specification should not be construed as limiting the present invention.

Claims (20)

1. a kind of cover plate assembly, camera is located at for covering, it is characterised in that the cover plate assembly include camera eyeglass and The cover plate and housing being stacked, the cover plate have the first loophole, and the housing has first through hole, the first through hole With camera described in the first loophole face with through the light for entering the camera, the camera eyeglass insertion institute State the first loophole and support the housing.

2. cover plate assembly as claimed in claim 1, it is characterised in that the first through hole is coaxially set with first loophole Put, the cross-sectional area of the first through hole is less than the cross-sectional area of first loophole.

3. cover plate assembly as claimed in claim 1, it is characterised in that the housing has what is set around the first through hole Boss, the boss stretch into first loophole and support the camera eyeglass.

4. cover plate assembly as claimed in claim 2 or claim 3, it is characterised in that the cover plate assembly also includes packing ring, the packing ring The camera eyeglass is bonded to the housing.

5. the cover plate assembly as described in any one of claim 1 ￣ 3, it is characterised in that the cover plate assembly is additionally operable to lid and is located at On flash lamp, the cover plate has the second loophole, and the housing has the second through hole, second through hole and described second saturating Flash lamp described in unthreaded hole face passes through for the light of the flash lamp, and the cover plate assembly also includes flashing lamp lens, described Flashing lamp lens are embedded in second loophole.

6. cover plate assembly as claimed in claim 5, it is characterised in that there is limited step on the hole wall of second through hole, The flashing lamp lens support the limited step.

7. cover plate assembly as claimed in claim 6, it is characterised in that the flashing lamp lens have limiting section, described spacing Portion is limited between the limited step and the cover plate.

8. cover plate assembly as claimed in claim 5, it is characterised in that the hole wall of second loophole is towards away from the flash of light The direction of lamp tilts, to support the flashing lamp lens.

9. cover plate assembly as claimed in claim 8, it is characterised in that second through hole is coaxially set with second loophole Put, the cross-sectional area of second through hole is less than the cross-sectional area of second loophole.

10. the cover plate assembly as described in any one of claim 1 ￣ 3, it is characterised in that the cover plate assembly is additionally operable to lid and is located at On circuit board, the circuit board has the avoidance area of hollow out, and the camera is located at the avoidance area, and the flash lamp is fixed on On the circuit board, the cover plate assembly also includes case ring, and the case ring is set on the outside of the cover plate and electrically connects institute State the earth terminal of circuit board.

11. cover plate assembly as claimed in claim 10, it is characterised in that the housing includes supporting part and around the carrying The installation portion that portion is set, the installation portion have the stopper slot set around the supporting part, and the case ring is set in described Supporting part outside is simultaneously caught in the stopper slot.

12. cover plate assembly as claimed in claim 11, it is characterised in that the case ring includes circle body and from the circle body one The flange extended is held, the flange supports the bottom wall of the stopper slot.

13. cover plate assembly as claimed in claim 12, it is characterised in that the flange sets the first connecting hole, the installation portion If the second connecting hole of connection first connecting hole, the installation portion support the circuit board, the cover plate assembly also includes Electrical connector, the electrical connector are located in first connecting hole and second connecting hole and support the earth terminal.

14. cover plate assembly as claimed in claim 13, it is characterised in that second connecting hole and first connecting hole are same Axle is set, and the cross-sectional area of second connecting hole is more than or equal to the cross-sectional area of first connecting hole.

15. cover plate assembly as claimed in claim 12, it is characterised in that the cover plate assembly also includes seal, described close Sealing is set on the outside of the case ring and supports the flange.

16. cover plate assembly as claimed in claim 15, it is characterised in that the flange, which has, supports supporting for the seal Face, the electrical connector have the top surface away from the circuit board, and the top surface protrudes from the supporting surface or supported with described Face is concordant.

17. cover plate assembly as claimed in claim 16, it is characterised in that the seal uses elastomeric material, the sealing Part covers the top surface.

18. the cover plate assembly as described in any one of claim 11 ￣ 17, it is characterised in that the supporting part is towards the circuit The side of plate has multiple positioning convex, and the multiple positioning convex is intervally installed and is caught in the circuit board.

A kind of 19. camera module, it is characterised in that the cover plate including camera and as described in any one of claim 1 ￣ 18 Component.

20. a kind of mobile terminal, it is characterised in that described to take the photograph including shell and camera module as claimed in claim 19 As head mould group is housed in the enclosure.