CN110266857B

CN110266857B - Electronic terminal and camera assembling method thereof

Info

Publication number: CN110266857B
Application number: CN201910582757.9A
Authority: CN
Inventors: 李昌志
Original assignee: Oppo Chongqing Intelligent Technology Co Ltd
Current assignee: Oppo Chongqing Intelligent Technology Co Ltd
Priority date: 2019-06-28
Filing date: 2019-06-28
Publication date: 2021-04-06
Anticipated expiration: 2039-06-28
Also published as: CN110266857A

Abstract

The application discloses electronic terminal, including center and camera subassembly, the center includes bottom plate and side frame, the side frame certainly the one end of bottom plate extends perpendicularly and forms, the side frame have with the mounting plane of the parallel extension in surface of bottom plate, mounting plane is used for installing the battery cover, mounting plane is along parallel the direction of bottom plate certainly the protruding portion of following that forms of side frame makes form the portion of acceping of indent between protruding portion of following, side frame and the bottom plate, the camera subassembly includes the camera, the camera is fixed the bottom plate orientation partly accept on one side of side frame in the portion of acceping. The application also provides a camera assembling method. This application makes mounting surface reserve sufficient width in order to paste the battery cover to make the camera easily assemble.

Description

Electronic terminal and camera assembling method thereof

Technical Field

The present application relates to the field of camera technologies of electronic terminals, and in particular, to an electronic terminal and a camera assembling method thereof.

Background

The existing assembly of the front camera is to insert the camera into the corresponding position of the middle frame from back to front, and the assembly is simple and easy to operate. However, the adhesion width of the middle frame reserved for the battery cover is too small at the side of the middle frame close to the battery cover, resulting in poor waterproofing effect.

Disclosure of Invention

In view of the above, the present application provides an electronic terminal and a camera assembling method thereof to solve the above technical problems.

The electronic terminal that this application embodiment provided, including center and camera subassembly, the center includes bottom plate and side frame, the side frame certainly the one end of bottom plate is extended perpendicularly and is formed, the side frame have with the mounting plane of the parallel extension in surface of bottom plate, mounting plane is used for installing the battery cover, mounting plane is along parallel the direction of bottom plate certainly the protruding portion that forms of protruding edge of portion of stretching of side frame makes form the portion of acceping of indent between protruding edge portion, side frame and the bottom plate, the camera subassembly includes the camera, the camera is fixed the bottom plate orientation partly accept on one side of side frame in the portion of acceping. The camera assembling method provided by the embodiment of the application comprises the following steps: providing a middle frame and a camera, wherein the middle frame comprises a bottom plate and a side frame, the side frame is formed by vertically extending from one end of the bottom plate, an installation position is arranged on the bottom plate, and the installation position comprises a first step part, a second step part and a lens hole, the diameters of the first step part, the second step part and the lens hole are sequentially decreased in a descending manner; the camera comprises a first step, a second step and a lens, wherein the diameters of the first step, the second step and the lens are sequentially decreased; horizontally pushing the camera along the surface of the bottom plate towards the side frame until the camera abuts against a convex edge part, wherein the convex edge part is formed by protruding from the side frame along a direction parallel to the bottom plate from the mounting plane; pressing the camera downwards to enable a convex shoulder of a lens of the camera to abut against the horizontal plane of the first step part; continuing to horizontally push the camera towards the side frame along the surface of the bottom plate of the middle frame until the side wall of the first step of the camera abuts against the side wall of the first step of the installation position; continuing to press the camera downwards, enabling the shoulder part of the lens of the camera to abut against the horizontal plane of the second step part, and enabling the lens to penetrate through the lens hole; and providing a camera support, and installing the camera support on the limiting part of the bottom plate, so that the camera support fixes the camera.

According to the electronic terminal and the camera assembling method thereof, the mounting plane is parallel to the direction of the bottom plate, and the side frame protrudes to form the protruding edge part, so that the battery cover has a wide enough pasting position, the waterproof effect is good, and the camera is easy to assemble.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

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

fig. 2 is a disassembled schematic view of the electronic terminal shown in fig. 1 according to an embodiment of the present application;

FIG. 3 is a disassembled view of the electronic terminal shown in FIG. 1 in another direction according to an embodiment of the present application;

fig. 4 is a schematic flowchart of a camera assembling method according to an embodiment of the present application;

FIG. 5 is a top view of the electronic terminal shown in FIG. 1 according to an embodiment of the present application;

FIG. 6 is a cross-sectional view taken at VI-VI of FIG. 5;

fig. 7-11 are schematic views illustrating a process of assembling a camera according to an embodiment of the present application;

FIG. 12 is a top view of the electronic terminal shown in FIG. 1 in an embodiment of the present application;

FIG. 13 is a cross-sectional view at XIII in FIG. 12;

FIG. 14 is a cross-sectional view at XIV of FIG. 12;

FIG. 15 is a top view of the electronic terminal shown in FIG. 1 in an embodiment of the present application;

FIG. 16 is a cross-sectional view at XVI of FIG. 15;

FIG. 17 is a cross-sectional view at XVII of FIG. 15;

fig. 18 is a side cross-sectional view of the electronic terminal shown in fig. 1.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions of the embodiments of the present application are clearly and completely described below with reference to the drawings of the embodiments of the present application. It is to be understood that the described embodiments are merely exemplary of some, and not all, of the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this application belongs. As used in this application, "first," "second," and the like are used to distinguish between different objects and not to describe a particular order, quantity, or importance. Similarly, the use of the terms "a," "an," or "the" do not denote a limitation of quantity, but rather are used to denote the presence of at least one. The word "comprising" or "comprises", and the like, means that the element or item preceding the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled," and the like, are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

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 application. 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. 1, fig. 1 is a schematic structural diagram of an electronic terminal 100 according to an embodiment of the present application. The electronic terminal 100 includes a middle frame 10 and a camera assembly 30. The camera assembly 30 is disposed on the middle frame 10. It will be appreciated that the camera assembly 30 may be a front-facing camera or a rear-facing camera. In this embodiment, the camera assembly 30 is a rear camera. In this embodiment, only a part of the related structure of the middle frame 10 is shown, and the other parts are not shown. It is understood that the electronic terminal 100 may further comprise other elements, such as a display, a back cover, a battery, a processor, a memory, etc., which are not described in detail since they are not relevant to the present application.

Specifically, the middle frame 10 includes a bottom plate 11 and side frames 13. The side frame 13 is formed to extend vertically from one end of the base plate 11. The side frame 13 has a mounting plane 131 extending parallel to the surface of the base plate 11. The mounting plane 131 is used to mount a battery cover (not shown). The mounting plane 131 protrudes from the side frame 13 along a direction parallel to the bottom plate 11 to form a convex edge portion 132, so that a concave receiving portion 133 is formed among the convex edge portion 132, the side frame 13 and the bottom plate 11. The camera assembly 30 includes a camera 31. The camera 31 is fixed on a side of the bottom plate 11 facing the side frame 13 and is partially accommodated in the accommodating portion 133.

Therefore, in the electronic terminal 100 of the present application, the mounting plane 131 protrudes from the side frame 13 along a direction parallel to the bottom plate 11 to form the protruding edge portion 132, so that the battery cover has a wide enough adhering position and a good waterproof effect.

It should be noted that, for convenience of description, the present application specifically defines three directions, including: a first direction 200, a second direction 300, and a third direction 400. The second direction 300 is a direction parallel to the extending direction of the long side of the side frame 13, and in one embodiment, the second direction 300 is a Y-axis direction; the first direction 200 is a direction that is located in the same horizontal plane as the second direction 300 and is perpendicular to the second direction 300, and in one embodiment, the first direction 200 is an X-axis direction; the third direction 400 is a direction perpendicular to both the second direction 300 and the first direction 200, and in one embodiment, the third direction 400 is a Z-axis direction.

Further, in one embodiment, the convex edge portion 132 extends along the first direction 200 for a predetermined distance and covers a portion of the camera 31, and a projection of the convex edge portion in the third direction 400 coincides with a projection of the camera 31 in the third direction 400.

Further, in one embodiment, a size of a projection of the mounting plane 131 and the camera 31 in the third direction 400 is about one tenth of a maximum outer diameter of the camera 31. Therefore, the mounting plane 131 is wide enough for mounting the battery cover, so that the waterproof performance between the mounting plane 131 and the battery cover is ensured, and the easy installation performance of the camera 31 is also ensured.

Specifically, referring to fig. 2, in one embodiment, the base plate 11 further includes a mounting position 17 for mounting the camera 31. The mounting portion 17 includes a first step portion 171, a second step portion 173 and a lens hole 175, which have successively decreasing diameters. Correspondingly, referring to fig. 3, the camera 31 includes a lens holder and a lens 315, the lens holder includes a first step 311 and a second step 313, the diameters of which decrease in sequence, the lens 315 is disposed on a side of the second step 313 away from the first step 311, and the diameter of the lens 315 is smaller than the diameter of the second step 313. The first step portion 171 is used for supporting the first step 311, the second step portion 173 is used for supporting the second step 313, and the lens hole 175 is used for supporting the lens 315.

Specifically, in one embodiment, one side of the first step 171 is semicircular and matches the shape of the first step 311 of the camera 31. The second step part 173 is formed in a circular shape and is formed by being sunk from the surface of the first step part 171, and the radius of the second step part 173 is reduced to be stepped compared with the radius of the semicircular side of the first step part 171. The lens hole 175 has a circular shape and is formed by sinking from the surface of the second stepped portion 173, and the radius of the lens hole 175 is reduced as compared with the radius of the second stepped portion 173 to form a stepped shape.

Therefore, the mounting position 17 is matched with the shape of the camera 31, and the camera 31 can be better supported and mounted.

Further, in one embodiment, referring to fig. 2 and 3, the camera head assembly 30 further includes a camera head bracket 33. The camera bracket 33 is located on one side of the bottom plate 11 facing the side frame 13, and is located on one side of the camera 31 away from the side frame 13. The bottom plate 11 is provided with a limiting member 15. The camera bracket 33 cooperates with the limiting member 15 to limit the movement of the camera 31.

Specifically, in one embodiment, the limiting member 15 includes a first limiting block 151 and a second limiting block 153. Referring to fig. 3, the camera bracket 33 is correspondingly provided with a first limiting portion 332 and a second limiting portion 334. The first stopper 151 cooperates with the first stopper portion 332 to define a forward limit position in the first direction 200. The second stopper 153 cooperates with the second stopper portion 334 to define a retreat limit position in the first direction 200.

Thus, the movement of the camera bracket 33 in the first direction 200 is completely limited by the first stopper 151 cooperating with the first stopper portion 332 and the second stopper 153 cooperating with the second stopper portion 334.

Further, in one embodiment, the limiting member 15 includes a third limiting member 155. Referring to fig. 3, the camera bracket 33 is correspondingly provided with a third position-limiting portion 336. The third stopper 155 cooperates with the third stopper portion 336 to limit the movement in the third direction 400.

Thus, the movement of the camera bracket 33 in the third direction 400 is completely limited by the third stopper 155 cooperating with the third stopper 336.

Further, in one embodiment, referring to fig. 2 again, the bottom plate 11 includes a positioning block 113. It is understood that, in one embodiment, the number of the limiting members 15 and the positioning blocks 113 is one. The positioning block 113 is disposed adjacent to the camera holder 33. The positioning block 113 has a side surface 1131. The side 1131 faces the camera support 33 and is parallel to the first direction 200. One end of the positioning block 113 close to the side frame 13 is connected to one end of the first step portion 171, and the side surface 1131 of the positioning block 113 is in tangential connection with the step surface of the first step portion 171. The first stopper 151 and the second stopper 153 are disposed adjacent to the side 1131 of the positioning block 113, and the third stopper 155 is disposed on the side 1131 of the positioning block 113. Specifically, in one embodiment, the first limiting block 151 protrudes from the surface of the bottom plate 11 and is spaced from the side surface 1131 of the positioning block 113 by a predetermined distance, the second limiting block 153 protrudes from the surface of the bottom plate 11 and is disposed adjacent to the positioning block 113, and the third limiting block 155 protrudes perpendicularly from the side surface 1131 of the positioning block 113 toward the side of the camera bracket 33.

Further, in one embodiment, the first limiting block 151 and the third limiting block 155 are partially arranged in a collinear manner in the second direction 300, the second limiting block 153 and the third limiting block 155 are partially arranged in a collinear manner in the first direction 200, and projections of the first limiting block 151, the second limiting block 153 and the third limiting block 155 in the third direction 400 do not overlap with each other.

Further, in one embodiment, the bottom plate 11 is hollowed at a position between the positioning block 113 and the first limiting block 151. Therefore, the first limiting block 151, the second limiting block 153 and the third limiting block 155 are conveniently formed during injection molding.

Referring again to fig. 3, the camera holder 33 includes a first plate 330 and a second plate 331. The first plate 330 is parallel to the mounting plane 131. The second plate 331 is perpendicular to the mounting plane 131. The first plate 330 is connected to the second plate 331 at a substantially central position on a side facing the side frame 13 to form a T-shaped bracket. The first limiting portion 332 is formed on the side of the first plate 330 facing the bottom plate 11 and the side of the second plate 331 facing the side frame 13. The second limiting portion 334 is formed on one side of the second plate 331, which is away from the side frame 13. The third position-limiting portion 336 is formed on the side of the first plate 330 facing away from the bottom plate 11 and the side of the second plate 331 facing the side frame 13.

Specifically, in one embodiment, the second position-limiting part 334 is a side of the second plate 331 facing away from the side frame 13; the first position-limiting portion 332 is formed by being recessed from a side of the first plate 330 close to the bottom plate 11; the third position-limiting portion 336 is formed by recessing the end portion of the first plate 330 from the surface away from the bottom plate 11 to the direction close to the bottom plate 11 by a preset distance; the projections of the first limiting portion 332, the second limiting portion 334, and the third limiting portion 336 in the third direction 400 are arranged in a staggered manner.

Specifically, in one embodiment, the dimension of the third limiting portion 336 in the second direction 300 is equal to the dimension of the third limiting block 155 in the second direction 300, and the distance from the surface of the third limiting portion 336 to the bottom plate 11 is equal to the distance from the lower surface of the third limiting block 155 to the bottom plate 11 in the third direction 400. Thus, when the third limiting portion 336 is engaged with the third limiting block 155, the third limiting block 155 limits the movement of the third limiting portion 336 in the third direction 400.

Further, in one embodiment, a wedge-shaped surface 3361 is disposed on a side of the third position-limiting portion 336 close to the side frame 13. When the camera bracket 33 is inserted into the limiting member 15, the wedge-shaped surface 3361 enables the third limiting portion 336 to be more easily inserted into the receiving space formed between the third limiting block 155 and the bottom plate 11.

Further, in one embodiment, a wedge portion 337 is disposed on a side of the first plate 330 facing the bottom plate 11. The wedge-shaped portion 337 and the third position-limiting portion 336 are disposed opposite to each other, and the projection portions of the wedge-shaped portion 337 and the third position-limiting portion 336 in the third direction 400 are overlapped. A step shape is formed between the wedge surface of the wedge portion 337 and the first limiting portion 332, the wedge surface is farther away from the side frame 13 than the first limiting portion 332, and when the camera bracket 33 is engaged with the limiting member 15, the wedge surface of the wedge portion 337 makes the second limiting block 153 more easily slide over the second plate 331 and then engage with the second limiting portion 334.

Further, in one embodiment, the camera holder 33 further includes an operating portion 338 protruding from a side of the second plate 331 away from the first plate 330, and a step portion 3381 facing the bottom plate 11 is provided at a distal end of the operating portion 338. When the camera bracket 33 is inserted into the limiting member 15, the operating portion 338 can be held by a hand to push the camera bracket 33 forward, so that the first limiting block 151 is engaged with the first limiting portion 332, the second limiting block 153 is engaged with the second limiting portion 334, and the third limiting block 155 is engaged with the third limiting portion 336, thereby facilitating the installation of the camera bracket 33.

Specifically, in one embodiment, a camera fitting portion 339 is disposed on a side of the first plate 330 facing the camera 31, and the camera fitting portion 339 is arc-shaped. When the camera bracket 33 is inserted into the limiting member 15, the camera fitting portion 339 of the camera bracket 33 fits with the camera 31.

Specifically, in this embodiment, the number of the positioning blocks 113 is two, two of the positioning blocks 113 are disposed oppositely, the opposite side surfaces 1131 of the two positioning blocks 113 are parallel to each other, and the distance between the two positioning blocks is equal to the width of the camera support 33. The camera holder 33 is accommodated between the two positioning blocks 113. The number of the limiting members 15 is two, and the two limiting members 15 are symmetrically disposed and respectively disposed adjacent to the two positioning blocks 113. The camera bracket 33 includes two sets of the first limiting portion 332, the second limiting portion 334, and the third limiting portion 336, which are symmetrically disposed, that is, one set of the first limiting portion 332, the second limiting portion 334, and the third limiting portion 336 are disposed on the left side of the camera bracket 33, the other set of the first limiting portion 332, the second limiting portion 334, and the third limiting portion 336 are disposed on the right side of the camera bracket 33, and each set of the first limiting portion 332, the second limiting portion 334, and the third limiting portion 336 is respectively matched with the first limiting block 151, the second limiting block 153, and the third limiting block 155 of the corresponding limiting member 15 to limit the movement of the camera bracket 33.

Because two first spacing portions 332 are symmetrically arranged on the left side and the right side of the camera support 33, and the two first spacing portions 332 are just positioned on the two sides of the operating portion 338, the two first limiting blocks 151 are respectively matched with the two first spacing portions 332, which is equivalent to that the two first limiting blocks 151 just clamp the operating portion 338, so that the movement of the camera support 33 in the second direction 300 is just limited by the two first limiting blocks 151.

Therefore, when the camera bracket 33 is matched with the two limiting members 15 of the base plate 11, the two limiting members 15 limit the movement of the camera bracket 33 in the first direction 200, the second direction 300 and the third direction 400, and further, the camera bracket 33 can stably limit the position of the camera 31.

Referring to fig. 4, fig. 4 is a flowchart illustrating a camera assembling method according to an embodiment of the present disclosure. The camera assembling method is not limited to the following order. The camera assembling method comprises the following steps:

in step 401, please refer to fig. 5 and fig. 6 together, a middle frame 10 and a camera 31 are provided. The middle frame 10 comprises a bottom plate 11 and a side frame 13, wherein the bottom plate 11 is provided with an installation position 17, and the installation position 17 comprises a first step part 171, a second step part 173 and a lens hole 175, wherein the diameters of the first step part 171, the second step part 173 and the lens hole 175 are sequentially decreased in a descending manner; the camera 31 comprises a first step 311, a second step 313 and a lens 315, wherein the diameters of the first step 311 and the second step 313 are sequentially decreased.

In step 402, the camera 31 is pushed horizontally along the surface of the bottom plate 11 of the middle frame 10 toward the side frame 13 until the lens of the camera 31 abuts against the convex edge 132. In other words, the maximum distance between the protruding edge portion 132 and the lens hole 175 is equal to the distance between the left side of the lens mount of the camera head 31 and the right side of the lens 315.

In step 403, referring to fig. 7, the camera 31 is pressed down, so that a shoulder of the lens 315 of the camera 31 abuts against a horizontal surface of the first step 171.

Step 404, referring to fig. 8, continuing to horizontally push the camera 31 along the surface of the bottom plate 11 of the middle frame 10 toward the side frame 13 until the side wall of the first step 311 of the camera 31 abuts against the side wall of the first step 171.

In step 405, referring to fig. 9, the camera 31 is further pressed down, so that the shoulder of the lens 315 of the camera 31 is substantially abutted on the horizontal plane of the second stepped portion 173, and the lens 315 passes through the lens hole 175.

Step 406, referring to fig. 10 and fig. 11, the camera bracket 33 is mounted on the limiting member 15 of the base plate 11, so that the camera 31 is fixed by the camera bracket 33.

Specifically, the camera bracket 33 is mounted on the limiting member 15 of the base plate 11, and includes:

referring to fig. 12 to 14, the camera bracket 33 is pushed along the surface of the bottom plate 11 of the middle frame 10 toward the side frame 13, referring to fig. 15 to 18, so that the first limiting portion 332 is engaged with the first limiting block 151, the second limiting portion 334 is engaged with the second limiting block 153, and the third limiting portion 336 is engaged with the third limiting block 155 to limit the movement of the camera bracket 33.

When the camera head bracket 33 needs to be detached, the user only needs to hold the operation portion 338 to detach the camera head bracket.

Therefore, according to the electronic terminal and the camera assembling method thereof of the present application, the mounting plane 131 protrudes from the side frame 13 along a direction parallel to the bottom plate 11 to form the protruding edge portion 132, so that the battery cover has a sufficiently wide adhering position and a good waterproof effect. The camera support 33 defines the movement of the camera 31 in the first direction 200, the second direction 300 and the third direction 400, and the camera support 33 is stably installed.

The above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present application.

Claims

1. An electronic terminal comprises a middle frame and a camera assembly, and is characterized in that the middle frame comprises a bottom plate and side frames, the side frames are formed by vertically extending from one end of the bottom plate, the side frames are provided with installation planes extending parallel to the surface of the bottom plate, the installation planes are used for installing battery covers, the installation planes protrude from the side frames along the direction parallel to the bottom plate to form convex edges, so that concave accommodating parts are formed among the convex edges, the side frames and the bottom plate, and the camera assembly comprises a camera which is fixed on one side of the bottom plate facing the side frames and is partially accommodated in the accommodating parts; the camera assembly further comprises a camera support, the camera support is located on one side, facing the side frame, of the bottom plate and located on one side, far away from the side frame, of the camera, the camera support comprises a first plate and a second plate, the first plate is parallel to the installation plane, the second plate is perpendicular to the installation plane, the first plate and the second plate are connected to form a T-shaped support, a first limiting portion is formed on one side, facing the bottom plate, of the first plate and one side, facing the side frame, of the second plate, and a second limiting portion is formed on one side, far away from the side frame, of the second plate; the camera comprises a bottom plate, and is characterized in that a limiting part is arranged on the bottom plate, the limiting part comprises a first limiting block and a second limiting block, the first limiting block is matched with the first limiting part to limit the forward limit position of the camera in the first direction, and the second limiting block is matched with the second limiting part to limit the backward limit position of the camera in the first direction.

2. The electronic terminal of claim 1, wherein the protruding edge portion protrudes a predetermined distance in a direction away from the side frame and covers a portion of the camera.

3. The electronic terminal according to claim 1, wherein the limiting member further comprises a third limiting member, a third limiting portion is correspondingly disposed on the camera bracket, and the third limiting member cooperates with the third limiting portion to limit the movement of the camera in a third direction.

4. The electronic terminal of claim 3, wherein the base plate includes a positioning block disposed adjacent to the camera holder, the first and second stoppers are disposed adjacent to a side of the positioning block, and the third stopper is disposed on a side of the positioning block; the third limiting part is formed on one side of the first plate, which is away from the bottom plate, and one side of the second plate, which faces the side frame.

5. The electronic terminal according to claim 4, wherein the first stopper and the third stopper are partially arranged in a collinear manner in the second direction, the second stopper and the third stopper are partially arranged in a collinear manner in the first direction, and projections of the first stopper, the second stopper and the third stopper in the third direction do not overlap with each other.

6. The electronic terminal of claim 4, wherein the second position-limiting portion is a side of the second board facing away from the side frame; the first limiting part is formed by sinking from one side of the first plate close to the bottom plate; the third limiting part is formed by sinking a preset distance from the end part of the first plate to the surface departing from the bottom plate to the direction close to the bottom plate; the projections of the first limiting part, the second limiting part and the third limiting part in the third direction are arranged in a staggered manner.

7. The electronic terminal according to claim 4, wherein a wedge portion is disposed on a side of the first board facing the bottom board, the wedge portion is disposed opposite to the third position-limiting portion, and when the camera holder is engaged with the position-limiting member, the wedge portion enables the second position-limiting member to more easily slide over the second board and then engage with the second position-limiting portion.

8. The electronic terminal according to claim 4, wherein the camera holder further comprises an operating portion protruding from a side of the second board facing away from the first board, and a tip of the operating portion is provided with a step portion facing the base plate.

9. The electronic terminal according to claim 4, wherein a side of the first board facing the camera is provided with a camera engaging portion, and the camera engaging portion is engaged with the camera.

10. The electronic terminal according to any one of claims 4 to 9, wherein the number of the positioning blocks is two, the two positioning blocks are disposed oppositely, opposite side surfaces of the two positioning blocks are parallel to each other, a distance between the two positioning blocks is equal to a width of the camera holder, and the camera holder is accommodated between the two positioning blocks.

11. The electronic terminal according to claim 10, wherein the number of the position-limiting members is two, two of the position-limiting members are symmetrically disposed and are respectively disposed adjacent to two positioning blocks, the camera holder includes two sets of the first position-limiting portion, the second position-limiting portion and the third position-limiting portion, and each set of the first position-limiting portion, the second position-limiting portion and the third position-limiting portion is respectively matched with the first position-limiting member, the second position-limiting member and the third position-limiting member of the corresponding position-limiting member to limit the movement of the camera holder.

12. A camera assembling method applied to the electronic terminal according to any one of claims 1 to 11, comprising the steps of:

providing a middle frame and a camera, wherein the middle frame comprises a bottom plate and a side frame, the side frame is formed by vertically extending from one end of the bottom plate, an installation position is arranged on the bottom plate, and the installation position comprises a first step part, a second step part and a lens hole, the diameters of the first step part, the second step part and the lens hole are sequentially decreased in a descending manner; the camera comprises a first step, a second step and a lens, wherein the diameters of the first step, the second step and the lens are sequentially decreased;

horizontally pushing the camera along the surface of the bottom plate towards the side frame until the camera abuts against a convex edge part, wherein the convex edge part is formed by protruding from the side frame along a direction parallel to the bottom plate from the mounting plane;

pressing the camera downwards to enable a convex shoulder of a lens of the camera to abut against the horizontal plane of the first step part;

continuing to horizontally push the camera towards the side frame along the surface of the bottom plate of the middle frame until the side wall of the first step of the camera abuts against the side wall of the first step of the installation position;

continuing to press the camera downwards, enabling the shoulder part of the lens of the camera to abut against the horizontal plane of the second step part, and enabling the lens to penetrate through the lens hole;

and providing a camera support, and installing the camera support on the limiting part of the bottom plate, so that the camera support fixes the camera.