CN108989506B

CN108989506B - Mobile terminal

Info

Publication number: CN108989506B
Application number: CN201810866963.8A
Authority: CN
Inventors: 邱康; 陈耀权; 范奇文; 杨璟; 张志坚; 邱泽朔
Original assignee: Oppo Chongqing Intelligent Technology Co Ltd
Current assignee: Oppo Chongqing Intelligent Technology Co Ltd
Priority date: 2018-08-01
Filing date: 2018-08-01
Publication date: 2020-06-05
Anticipated expiration: 2038-08-01
Also published as: CN108989506A

Abstract

The application provides a mobile terminal, which comprises a middle frame and a camera module; the camera module comprises a lens part and a light sensing part which are of an integral structure; the middle frame is provided with a positioning groove, the bottom of the positioning groove is provided with a first through hole, the light sensing part of the camera module is arranged in the positioning groove, and the lens part is inserted in the first through hole; the light sensing part is smaller than the assembly gap of the inner wall of the positioning groove, the lens part is smaller than the assembly gap between the first through holes, and then the camera module is positioned by matching the light sensing part with the positioning groove. The application provides a mobile terminal coordinates the location through utilizing between the sensitization portion of center constant head tank and camera module, can avoid taking place the condition emergence of damaging because of the camera module that leads to utilizes camera module lens portion location easily, can play fine guard action to camera module.

Description

Mobile terminal

Technical Field

The invention relates to the technical field of electronic equipment structures, in particular to a mobile terminal device.

Background

Smart electronic devices such as mobile phones and tablet computers are generally equipped with a front camera module. However, many of the fixing methods of the front camera module are to use the upper cover plate and the circular lens area of the front camera for positioning. This kind of location structure falls when receiving the striking at the cell-phone, the upper cover plate takes place to warp because receiving the impact force very easily, because utilize the upper cover plate to carry out the structural style of fixing a position with the circular lens district of camera (being the camera lens region), the camera lens region of consequently camera can receive very big impact force, will lead to the camera lens region of preceding camera to take place the distortion, thereby influence the analytic power (the shooting effect) of camera, seriously can make the camera module take place irreversible physical damage even.

Disclosure of Invention

The embodiment of the application provides a mobile terminal, which comprises a middle frame and a camera module; the camera module comprises a lens part and a light sensing part which are of an integral structure; the middle frame is provided with a positioning groove, the bottom of the positioning groove is provided with a first through hole, the light sensing part of the camera module is arranged in the positioning groove, and the lens part is inserted in the first through hole; the light sensing part is smaller than the assembly gap of the inner wall of the positioning groove, the lens part is smaller than the assembly gap between the first through holes, and then the camera module is positioned by matching the light sensing part with the positioning groove.

The mobile terminal provided by the embodiment of the application is matched and positioned between the light sensing parts by utilizing the middle frame positioning groove and the camera module, so that the situation that the camera module is easy to damage due to positioning of the lens part of the camera module can be avoided, and the camera module can be well protected.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only 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 partial structure diagram of an embodiment of a mobile terminal according to the present application;

fig. 2 is a schematic diagram of a split structure of the mobile terminal in the embodiment of fig. 1;

FIG. 3 is a schematic structural diagram of the camera module in the embodiment of FIG. 1;

FIG. 4 is a schematic cross-sectional view taken along line A-A of the mobile terminal in the embodiment of FIG. 1;

FIG. 5 is a schematic partial structure diagram of another embodiment of a mobile terminal according to the present application;

fig. 6 is a schematic diagram of a split structure of the mobile terminal in the embodiment of fig. 5;

FIG. 7 is a schematic cross-sectional view taken at B-B of FIG. 5;

FIG. 8 is a schematic structural diagram of another embodiment of a middle frame;

FIG. 9 is a schematic diagram of another view of the mobile terminal in the embodiment of FIG. 5;

fig. 10 is a schematic structural diagram of a further embodiment of the middle frame.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be noted that the following examples are only illustrative of the present invention, and do not limit the scope of the present invention. Likewise, the following examples are only some but not all examples of the present invention, and all other examples obtained by those skilled in the art without any inventive step are within the scope of the present invention.

As used herein, a "communication terminal" (or simply "terminal") includes, but is not limited to, a device that is configured to receive/transmit communication signals via a wireline connection, such as via a Public Switched Telephone Network (PSTN), a Digital Subscriber Line (DSL), a digital cable, a direct cable connection, and/or another data connection/network, and/or via a wireless interface (e.g., for a cellular network, a Wireless Local Area Network (WLAN), a digital television network such as a DVB-H network, a satellite network, an AM-FM broadcast transmitter, and/or another communication terminal). A communication terminal arranged to communicate over a wireless interface may be referred to as a "wireless communication terminal", "wireless terminal" or "mobile terminal". Examples of mobile terminals include, but are not limited to, satellite or cellular telephones; a Personal Communications System (PCS) terminal that may combine a cellular radiotelephone with data processing, facsimile and data communications capabilities; PDAs that may include radiotelephones, pagers, internet/intranet access, Web browsers, notepads, calendars, and/or Global Positioning System (GPS) receivers; and conventional laptop and/or palmtop receivers or other electronic devices that include a radiotelephone transceiver. The mobile phone is a mobile terminal equipped with a cellular communication module.

Referring to fig. 1 and fig. 2 together, fig. 1 is a schematic partial structure diagram of an embodiment of a mobile terminal of the present application, and fig. 2 is a schematic split structure diagram of the mobile terminal in the embodiment of fig. 1; it should be noted that, the mobile terminal in the present application may include an electronic device with a camera module, such as a mobile phone, a tablet computer, a notebook computer, and a wearable device. The mobile terminal in this embodiment includes a middle frame 100, a camera module 200, and a control circuit board 300. It is noted that the terms "comprises" and "comprising," as well as any variations thereof, are intended to cover non-exclusive inclusions.

Specifically, referring to fig. 3, fig. 3 is a schematic structural diagram of the camera module in the embodiment of fig. 1, and the camera module 200 includes a flexible circuit board 230, and a lens portion 210 and a light sensing portion 220 which are integrally formed. The lens portion 210 is mainly provided with devices such as a lens, and the light sensing portion 220 includes a light sensing chip; the camera module 200 is connected to the control circuit board 300 through the flexible circuit board 230, and the reference numeral 240 is a BTB connector.

Referring to fig. 2 and 4, fig. 4 is a schematic cross-sectional view taken along a-a of the mobile terminal in the embodiment of fig. 1, in which a positioning groove 110 is disposed on the middle frame 100, a first through hole 120 is disposed at a bottom of the positioning groove 110, a light sensing portion 220 of the camera module 200 is disposed in the positioning groove 110, and the lens portion 210 is inserted into the first through hole 120. The assembly gap G1 between the light sensing portion 220 and the inner wall of the positioning groove 110 is smaller than the assembly gap G2 between the lens portion 210 and the first through hole 120, and the camera module 200 is positioned by the cooperation of the light sensing portion 220 and the positioning groove 110.

Alternatively, the fitting gap G1 between the light sensing portion 220 and the inner wall of the positioning groove 110 may be set to 0.01mm-0.1mm, and specific values may be 0.01mm, 0.02mm, 0.04mm, 0.05mm, 0.08mm, 0.1mm, and the like; the fitting gap G2 between the lens portion 210 and the first through hole 120 may be set to 0.12-0.5mm, and the specific value may be 0.12mm, 0.15mm, 0.20mm, 0.30mm, 0.40mm, 0.50mm, etc.; the specific values of the assembly gap between the light sensing portion 220 and the inner wall of the positioning groove 110 and the assembly gap between the lens portion 210 and the first through hole 120 are not particularly limited in this embodiment, as long as the assembly gap between the light sensing portion 220 and the inner wall of the positioning groove 110 is smaller than the assembly gap between the lens portion 210 and the first through hole 120.

Referring to fig. 3 and fig. 4, optionally, in the present embodiment, the light sensing portion 220 further includes a first light sensing section 221 and a second light sensing section 222, and two ends of the first light sensing section 221 are respectively connected to the lens portion 210 and the second light sensing section 222; correspondingly, the positioning slot 110 includes a first slot segment 111 and a second slot segment 112, the first slot segment 111 and the second slot segment 112 are stacked in a depth direction (Z direction in the figure), wherein the first slot segment 111 is located between the first through hole 120 and the second slot segment 112; the first through hole 120 is coaxially disposed and communicated with the first groove section 111 and the second groove section 112.

It should be noted that the terms "first", "second" and "third" in the present invention are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first," "second," or "third" may explicitly or implicitly include at least one of the feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

Alternatively, the cross-sectional shape of the first groove segment 111 in the depth direction is adapted to the circumferential profile of the first photosensitive segment 221, and the cross-sectional shape of the second groove segment 112 in the depth direction is adapted to the circumferential profile of the second photosensitive segment 222. The first photosensitive section 221 is disposed in the first groove section 111, and the second photosensitive section 222 is disposed in the second groove section 112. Further, the cross sections of the first groove section 111 and the second groove section 112 in the depth direction are both rounded rectangles, and the cross sectional area of the second groove section 112 is larger than that of the first groove section 111; correspondingly, the first photosensitive section 221 is a rectangular parallelepiped structure, and the outer peripheral profile of the first photosensitive section 221 is adapted to the shape of the first groove section 111; the second photosensitive section 222 is also a rectangular parallelepiped structure, and the outer peripheral contour of the second photosensitive section 222 is adapted to the shape of the second groove section 112. The first through hole 120 is a circular hole, and correspondingly, the lens portion 210 of the camera module 200 is a cylindrical structure.

Wherein a fitting gap G1 between the first photosensitive section 221 and the first groove section 111 is smaller than a fitting gap G2 between the lens part 210 and the first through hole 120; therefore, the camera module 200 can be positioned by the cooperation of the light sensing portion 220 (specifically, the first light sensing section 221) and the positioning groove 110 (specifically, the first groove section 111). Further, in order to improve the positioning strength, the assembling gap G2 between the second photosensitive section 222 and the second groove section 112 may be set to be also smaller than the assembling gap G2 between the lens portion 210 and the first through hole 120. The assembly gap G1 between the light sensing part 220 and the inner wall of the positioning groove 110 includes an assembly gap G1 between the first light sensing section 221 and the first groove section 111, and an assembly gap G2 between the second groove section 112.

Alternatively, the size g1 of the fitting gap between the first photosensitive section 221 and the first slot section 111 and the size g2 of the fitting gap between the second photosensitive section 222 and the second slot section 112 may be set to be the same. Optionally, the assembly gap g1 between the first photosensitive section 221 and the first slot section 111 and the assembly gap g2 between the second photosensitive section 222 and the second slot section 112 may be set in the range of 0.01mm-0.1 mm; the fitting gap G2 between the lens portion 210 and the first through hole 120 may be set within a range of 0.12-0.5mm, and the specific value is not limited.

The control circuit board 300 is disposed on a side of the positioning groove of the middle frame 100 close to the second groove section 112. Optionally, the control circuit board 300 is provided with an avoiding area 310, and the avoiding area 310 is arranged corresponding to the positioning groove 110 and is used for avoiding the camera module 200.

The mobile terminal that this embodiment provided, through utilizing coordinating the location between the sensitization portion of center constant head tank and camera module, can avoid taking place the condition emergence of damaging because of utilizing the camera module lens portion location and the camera module that leads to easily, can play fine guard action to camera module.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the invention. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.

Referring to fig. 5 and fig. 6 together, fig. 5 is a schematic partial structure diagram of another embodiment of a mobile terminal of the present application, and fig. 6 is a schematic split structure diagram of the mobile terminal in the embodiment of fig. 5; the mobile terminal in this embodiment includes a middle frame 100, a camera module 200, a control circuit board 300, an upper cover plate 400, and a pressing plate 500.

The camera module 200 also includes a flexible circuit board 230, and a lens portion 210 and a light sensing portion 220 which are integrally formed. The camera module 200 is connected to the control circuit board 300 through the flexible circuit board 230 (see fig. 3 for details).

The middle frame 100 is provided with a positioning groove 110, and optionally, the positioning groove 110 is disposed near the edge of the middle frame. The bottom of the positioning groove 110 is provided with a first through hole 120, the light sensing portion 220 of the camera module 200 is disposed in the positioning groove 110, and the lens portion 210 is inserted into the first through hole 120.

Referring to fig. 7, fig. 7 is a schematic cross-sectional view taken along line B-B in fig. 5, wherein an assembly gap G1 between the light sensing portion 220 and the inner wall of the positioning groove 110 is smaller than an assembly gap G2 between the lens portion 210 and the first through hole 120, and the camera module 200 is positioned by the cooperation between the light sensing portion 220 and the positioning groove 110.

Alternatively, the fitting gap G1 between the light sensing portion 220 and the inner wall of the positioning groove 110 may be set to 0.01mm-0.1 mm; the fitting gap G2 between the lens part 210 and the first through hole 120 may be set to 0.12-0.5 mm; the specific values of the assembly gap G1 between the light sensing part 220 and the inner wall of the positioning groove 110 and the assembly gap G2 between the lens part 210 and the first through hole 120 are not particularly limited in this embodiment.

Similarly, the light sensing section 220 in this embodiment also includes a first light sensing section 221 and a second light sensing section 222, and both ends of the first light sensing section 221 are respectively connected to the lens section 210 and the second light sensing section 222; correspondingly, the positioning groove 110 includes a first groove section 111 and a second groove section 112, the first groove section 111 and the second groove section 112 are stacked in the depth direction, wherein the first groove section 111 is located between the first through hole 120 and the second groove section 112; the first through hole 120 is coaxially disposed and communicated with the first groove section 111 and the second groove section 112.

Optionally, with continued reference to fig. 6, the first slot segment 111 has a buffer gap 55 between a side wall 1111 near one side of the edge of the middle frame 100 and a side wall 101 at the edge of the middle frame 100 for enclosing the second slot segment, and since the positioning slot 110 is disposed near the edge of the middle frame, the buffer gap 55 can reduce the impact of the impact on the middle frame positioning slot 110 when the side wall 101 receives the impact. When the side wall 101 is subjected to an impact force, the side wall 101 may deform and bend into the buffer gap 55 due to the buffer gap 55, and the buffer gap 55 may serve as a receiving space for the deformation of the side wall 101, thereby reducing the influence of the external impact force on the frame positioning groove 110. All directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present invention are only used to explain the relative positional relationship between the components, the movement, and the like in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

Further, please refer to fig. 8, fig. 8 is a schematic structural diagram of another embodiment of the middle frame, in this embodiment, a notch 66 is disposed at a middle position of the side wall 1111 of the first slot section near one side of the edge of the middle frame, the notch 66 is disposed corresponding to the buffer gap 55 and is communicated with the buffer gap 55, optionally, the notch 66 may be disposed at a middle position of the side wall 1111, because when the side wall 101 is deformed by a force, a deformation amount of the middle position is the largest, and the notch 66 is disposed at the middle position, so that a deformation accommodation space of the side wall 101 can be further increased.

Likewise, in the present embodiment, the cross-sectional shape of the first groove segment 111 in the depth direction is adapted to the circumferential profile of the first photosensitive segment 221, and the cross-sectional shape of the second groove segment 112 in the depth direction is adapted to the circumferential profile of the second photosensitive segment 222. The first photosensitive section 221 is disposed in the first groove section 111, and the second photosensitive section 222 is disposed in the second groove section 112. Further, the cross sections of the first groove section 111 and the second groove section 112 in the depth direction are both rounded rectangles, and the cross sectional area of the second groove section 112 is larger than that of the first groove section 111; correspondingly, the first photosensitive section 221 is a rectangular parallelepiped structure, and the outer peripheral profile of the first photosensitive section 221 is adapted to the shape of the first groove section 111; the second photosensitive section 222 is also a rectangular parallelepiped structure, and the outer peripheral contour of the second photosensitive section 222 is adapted to the shape of the second groove section 112. The first through hole 120 is a circular hole, and correspondingly, the lens portion 210 of the camera module 200 is a cylindrical structure.

With reference to fig. 7, the assembly gap G1 between the first light-sensing section 221 and the first groove section 111 is smaller than the assembly gap G2 between the lens portion 210 and the first through hole 120; therefore, the camera module 200 can be positioned by the cooperation of the light sensing portion 220 (specifically, the first light sensing section 221) and the positioning groove 110 (specifically, the first groove section 111). Further, in order to improve the positioning strength, the assembling gap G2 between the second photosensitive section 222 and the second groove section 112 may be set to be also smaller than the assembling gap G2 between the lens portion 210 and the first through hole 120. It should be noted that the assembly gap herein refers to a gap between an outer side wall of the light-sensing section 220 (specifically including the first light-sensing section 221 and the second light-sensing section 222) and an inner side wall of the positioning groove 110 (specifically including the first groove section 111 and the second groove section 112), and a gap between an outer side wall of the lens section 210 and an inner wall of the first through hole 120.

Also alternatively, the size of the mounting gap g1 between the first photosensitive section 221 and the first slot section 111 and the size of the mounting gap g2 between the second photosensitive section 222 and the second slot section 112 may be set to be the same. Optionally, the assembly gap g1 between the first photosensitive section 221 and the first slot section 111 and the assembly gap g2 between the second photosensitive section 222 and the second slot section 112 can be both set in the range of 0.01mm-0.1 mm; and the fitting gap G2 between the lens part 210 and the first through-hole 120 may be set in the range of 0.12-0.5 mm.

The control circuit board 300 is disposed on a side of the positioning groove of the middle frame 100 close to the second groove section 112. Specifically, the control circuit board 300 and the upper cover plate 400 are disposed at opposite sides of the middle frame 100. Optionally, the control circuit board 300 is provided with an avoiding area 310, and the avoiding area 310 is arranged corresponding to the positioning groove 110 and is used for avoiding the camera module 200.

Referring to fig. 7 and 9, fig. 9 is a schematic structural diagram of another view angle of the mobile terminal in the embodiment of fig. 5, in which an upper cover plate 400 is disposed on a side of the middle frame 100 where the first through hole 120 is opened, a second through hole 410 is disposed on the upper cover plate 400, and an end of the lens portion 210 of the camera module 200, which is far away from the first photosensitive section 221, is disposed through the first through hole 120 of the middle frame and the second through hole 410 of the upper cover plate 400.

Optionally, a fitting gap G3 between the lens part 210 and the second through hole 410 is larger than a fitting gap G1 between the first photosensitive section 221 and the first groove section 111. Further optionally, the assembling gap G3 between the lens part 210 and the second through hole 410 is also set to be larger than the assembling gap G2 between the second photosensitive section 222 and the second groove section 112. This structure ensures that the camera module 200 is positioned by the light-sensing portion 220 and the positioning groove 110 of the middle frame 100, rather than by the lens portion 210, and prevents the lens portion 210 from interfering with other positions (the inner wall of the first through hole 120 and the inner wall of the second through hole 410).

Referring to fig. 5 and fig. 6, the pressing plate 500 and the middle frame 100 are respectively disposed on two sides of the control circuit board 300, and cover the control circuit board 300 and the positioning groove 110 (including the camera module 200 disposed in the positioning groove 110), and the pressing plate 500 plays a role of fixing the camera module 200, the control circuit board 300 and the middle frame 100 to each other. The pressing plate 500 is fixedly connected to at least one of the middle frame 100 and the control circuit board 300, in this embodiment, the pressing plate 500 is fixedly connected to the middle frame 100 and the control circuit board 300 at the same time, and the specific connection manner may be by using a screw 77. With respect to the detailed structural features of the platen 500, it is within the understanding of those skilled in the art and will not be described in detail herein.

Referring to fig. 10, fig. 10 is a schematic structural diagram of a further embodiment of a middle frame, the middle frame 100 in the present embodiment includes a first loading area 140 and a second loading area 150, the first loading area 140 is disposed near an edge position; specifically, the first carrier region 140 may be disposed around the second carrier region 150. The first bearing area 140 may be made of metal, specifically, aluminum alloy, magnesium alloy, or stainless steel; the material of the second loading area 150 is plastic, such as TPU, PC, etc.; the first bearing region 140 and the second bearing region 150 may be formed by integral injection molding. The integrally molded connection regions can be engaged with each other by the dovetail structures 1045 to improve the bonding strength of the first bearing region 140 and the second bearing region 150.

Optionally, the positioning slot 110 in this embodiment is located at a connection position of the first carrying region 140 and the second carrying region 150, that is, the positioning slot 110 is partially located in the first carrying region 140, and another portion is located in the second carrying region 150. This kind of structural design can improve the holistic intensity of center 100, and compare in the center that overall structure is the metal material, can also practice thrift the cost.

According to the mobile terminal provided by the embodiment, the middle frame positioning groove is matched and positioned with the light sensing part of the camera module, so that the situation that the camera module is easy to damage due to positioning of the lens part of the camera module can be avoided, and the camera module can be well protected; in addition, the middle frame is provided with the buffer gap, so that the influence of external impact on the camera module in the middle frame positioning groove can be reduced.

The above description is only a part of the embodiments of the present invention, and not intended to limit the scope of the present invention, and all equivalent devices or equivalent processes performed by the present invention through the contents of the specification and the drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. A mobile terminal is characterized by comprising a middle frame and a camera module; the camera module comprises a lens part and a light sensing part which are of an integral structure; the middle frame is provided with a positioning groove, the bottom of the positioning groove is provided with a first through hole, the light sensing part of the camera module is arranged in the positioning groove, and the lens part is inserted in the first through hole; the assembly clearance between the light sensing part and the inner wall of the positioning groove is smaller than the assembly clearance between the lens part and the first through hole, and the camera module is positioned by matching the light sensing part and the positioning groove; the light sensing part comprises a first light sensing section and a second light sensing section, and two ends of the first light sensing section are respectively connected with the lens part and the second light sensing section; the positioning groove comprises a first groove section and a second groove section, the first groove section and the second groove section are arranged in a stacking mode in the depth direction, and the first groove section is located between the first through hole and the second groove section; the first photosensitive section is arranged in the first groove section, and the second photosensitive section is arranged in the second groove section; the assembly gap between the first photosensitive section and the first groove section is smaller than the assembly gap between the lens part and the first through hole.

2. The mobile terminal of claim 1, wherein the positioning groove is disposed near an edge of the middle frame, and a buffer gap is disposed between a side wall of the first groove section near one side of the edge of the middle frame and a side wall of the middle frame for enclosing the second groove section.

3. The mobile terminal of claim 2, wherein a notch is formed in a middle portion of a side wall of the first slot segment on a side close to the edge of the middle frame.

4. The mobile terminal according to claim 1, further comprising an upper cover plate, wherein the upper cover plate is covered on one side of the middle frame, where the first through hole is formed, the upper cover plate is formed with a second through hole, and one end of the lens portion of the camera module, which is far away from the first photosensitive section, is arranged to penetrate through the first through hole and the second through hole; wherein an assembly gap between the lens portion and the second through hole is larger than an assembly gap between the first photosensitive section and the first groove section.

5. The mobile terminal of any of claims 1-4, wherein the first and second slot segments are each rounded rectangular in cross-section in the depth direction, and the cross-sectional area of the second slot segment is greater than the cross-sectional area of the first slot segment; the lens part is of a cylindrical structure.

6. The mobile terminal of claim 1, wherein the middle frame comprises a first bearer area and a second bearer area, and the first bearer area is disposed near an edge position; the first bearing area is made of metal, the second bearing area is made of plastic, and the first bearing area and the second bearing area are integrally formed in an injection molding mode.

7. The mobile terminal of claim 6, wherein the positioning slot is located at a connection position of the first bearer region and the second bearer region, and the positioning slot is partially located in the first bearer region and partially located in the second bearer region.

8. The mobile terminal according to claim 4, wherein the mobile terminal comprises a control circuit board, the control circuit board and the upper cover plate are arranged on two opposite sides of the middle frame, and the camera module is connected with the control circuit board through a flexible circuit board; the control circuit board is provided with an avoidance area, and the avoidance area corresponds to the positioning groove and is used for avoiding the camera module.

9. The mobile terminal according to claim 8, further comprising a pressing plate, wherein the pressing plate and the middle frame are respectively disposed on two sides of the control circuit board and cover the control circuit board and the positioning slot, and the pressing plate is fixedly connected to at least one of the middle frame and the control circuit board.