CN115209619A

CN115209619A - Electronic equipment

Info

Publication number: CN115209619A
Application number: CN202211092787.XA
Authority: CN
Inventors: 苏杨; 刘正衡; 饶夏雨; 田世宏; 叶远东; 程黎辉; 关亚东
Original assignee: Longcheer Electronics Huizhou Co Ltd
Current assignee: Longcheer Electronics Huizhou Co Ltd
Priority date: 2022-09-08
Filing date: 2022-09-08
Publication date: 2022-10-18
Anticipated expiration: 2042-09-08
Also published as: CN115209619B

Abstract

The present invention provides an electronic device, including: the shell comprises a front shell and a rear shell buckled with the front shell; the main control board is arranged in the shell and comprises a board body and electronic elements, and the electronic elements are all arranged on one surface of the board body facing the rear shell; the side key assembly, the side key assembly includes decoration, side key and flexible electric connector, the through-hole has been seted up to the lateral wall face of preceding shell, the activity of side key sets up in the through-hole, the decoration sets up in the casing, and part the decoration is located the main control board with between the side key, the side key with decoration swing joint, flexible electric connector's first end electricity is connected with the switch spare, the switch spare extends to between the side key and the decoration, flexible electric connector's second end with the main control board electricity is connected. The invention provides an electronic device, which achieves the purpose of reducing the thickness of the electronic device.

Description

Electronic equipment

Technical Field

The invention relates to the technical field of electronic product manufacturing, in particular to electronic equipment.

Background

In recent years, electronic devices are being miniaturized and thinned, and particularly mobile phones, tablet computers and the like are used for meeting the use requirements of users for entertainment, work, learning and the like and bringing lighter, thinner and more portable mobile experiences for users.

At present, in electronic equipment such as a tablet computer, function keys are generally arranged on the side edge to save the front space, and a plate body of a main control plate inside the electronic equipment and the function keys are located in the same thickness direction.

Therefore, how to reduce the thickness of the electronic device is an urgent technical problem to be solved in the industry.

Disclosure of Invention

The invention provides an electronic device, which achieves the purpose of reducing the thickness of the electronic device.

In order to achieve the above object, the present invention provides an electronic device comprising:

the shell comprises a front shell and a rear shell buckled with the front shell;

the main control board is arranged in the shell and comprises a board body and electronic elements, and the electronic elements are all arranged on one surface of the board body facing the rear shell;

the side key assembly, the side key assembly includes decoration, side key and flexible electric connector, the through-hole has been seted up to the side wall face of preceding shell, the activity of side key sets up in the through-hole, the decoration sets up in the casing, and part the decoration is located the main control board with between the side key, the side key with decoration swing joint, flexible electric connector's first end electricity is connected with the switch spare, the switch spare extends to the side key with between the decoration, flexible electric connector's second end with the main control board is electric to be connected, the side key under the exogenic action butt in the switch spare, so that the switch spare with the main control board electrical property switches on.

According to the electronic equipment provided by the invention, the main control board is not provided with electronic elements on two sides, the electronic elements are arranged on one surface of the board body facing the rear shell, the thickness of the main control board can be effectively reduced, so that the overall thickness of the electronic equipment is favorably reduced, the side keys are movably connected with the decorating parts, and the side keys are electrically connected with the switch part and the main control board through the flexible electric connecting pieces, so that the installation of the side keys is realized, and the use of the side keys is not influenced.

In a possible implementation manner, the side key includes a force application portion and a connecting arm, the connecting arm is connected to a surface of the force application portion facing the decoration, a limiting groove is formed in the connecting arm, a fixing column is arranged on a side of the decoration facing the force application portion, the fixing column is movably arranged in the limiting groove, and when the side key is in a pressed state and a released state, the fixing column abuts against inner walls of two opposite sides of the limiting groove respectively.

In a possible implementation manner, there are two connecting arms, the limiting groove is located on one side of each of the two connecting arms, the fixing column includes a first section and a second section that are connected to each other, the first section is connected to the decoration, the second section extends into the limiting groove, and a central axis of the second section is perpendicular to a plane where the decoration is located.

In a possible implementation manner, two avoiding grooves are formed in one surface, facing the main control board, of the decorating part, and the two connecting arms extend into the two avoiding grooves respectively.

In a possible implementation manner, the front shell includes a frame and a display module embedded in the frame, one surface of the board facing the display module is provided with a grounding elastic sheet, and the grounding elastic sheet abuts against the display module and is electrically connected with the display module.

In a possible implementation manner, the force application part protrudes from the outer surface of the frame, a contact is arranged on one surface of the force application part, which faces the decoration part, the contact is located between the two connecting arms, and the contact abuts against the switch piece.

In a possible implementation manner, the flexible electrical connector includes a flexible board, a first connecting board and a second connecting board, the first connecting board and the second connecting board are electrically connected to two ends of the flexible board respectively, the first connecting board and the second connecting board are both connected to the decoration, a connecting elastic sheet is disposed on a surface of the board body facing the rear shell, the first connecting board is electrically connected to the connecting elastic sheet, and the switch is electrically connected to the second connecting board.

In a possible implementation manner, the first surface of the first connecting plate is electrically connected with the connecting elastic piece, and the second surface of the first connecting plate is connected with the decorating piece; the first surface of the second connecting plate is connected with the decorating part, the switch part is electrically connected to the second surface of the second connecting plate, and an included angle is formed between the plane where the first connecting plate is located and the plane where the second connecting plate is located.

In a possible embodiment, the angle between the plane of the first connecting plate and the plane of the second connecting plate is 90 °.

In a possible implementation manner, the decoration part includes a support part and a decoration part connected with the support part, a gap is provided between the support part and the decoration part, at least a part of the electronic element is located in the gap, the support part is located between the main control board and the rear shell, the decoration part extends to between the main control board and the frame, and the side key is movably connected with the decoration part.

In a possible implementation manner, one surface of the support portion, which faces the main control board, is provided with a first mounting post, a first mounting hole is formed in the first connecting plate, and the first mounting hole is sleeved on the outer peripheral surface of the first mounting post;

and one surface of the decoration part facing the side key is provided with a second mounting column, a second mounting hole is formed in the second connecting plate, and the second mounting hole is sleeved on the peripheral surface of the second mounting column.

In a possible implementation manner, a groove is further formed in one surface of the decoration portion, which faces the main control board, and the flexible board is located in the groove.

In one possible implementation, the electronic device is a tablet computer or a mobile phone.

According to the electronic equipment provided by the invention, the integrated design of the decorating part, the side key and the flexible electric connecting piece is realized, the electronic equipment can be assembled in advance, the assembly procedures of an electronic equipment assembly factory are reduced, the assembly efficiency is improved, and poor indexes are controlled more easily.

In the electronic equipment provided by the invention, one surface of the main control board facing the front shell is provided with the grounding elastic sheet, no electronic element is arranged, and the electronic elements are distributed on the surface of the main control board facing the rear shell.

According to the electronic equipment provided by the invention, the structure of the side key assembly is improved, so that the connecting elastic sheet of the main control board to be communicated with the side key is arranged on the surface of the main control board facing the rear shell, the side key is also communicated and installed, the limiting effect can be realized without a metal elastic sheet, the use effect is ensured, and the cost is saved.

In addition to the technical problems solved by the embodiments of the present invention, the technical features constituting the technical solutions, and the advantages brought by the technical features of the technical solutions described above, other technical problems that can be solved by an electronic device provided by the embodiments of the present invention, other technical features included in the technical solutions, and advantages brought by the technical features will be further described in detail in the detailed description.

Drawings

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

Fig. 1 is a schematic view of a connection structure of a side key of an electronic device in the related art;

fig. 2 is a schematic perspective view of a spring of an electronic device in the related art;

fig. 3 is a schematic perspective view of a spring plate of an electronic device according to the related art;

fig. 4 is a schematic diagram of a partial explosion structure of an electronic device according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a side key assembly of an electronic device according to an embodiment of the present invention;

fig. 6 is a schematic perspective view of a side key assembly of an electronic device according to an embodiment of the present invention;

FIG. 7 is a partial longitudinal cross-sectional view of an electronic device provided by an embodiment of the invention;

fig. 8 is a schematic view of a side key installation structure of an electronic device according to an embodiment of the present invention;

FIG. 9 is a schematic structural diagram of a side key of an electronic device according to an embodiment of the present invention

Fig. 10 is a schematic top view of a decoration of an electronic device according to an embodiment of the present invention;

fig. 11 is a schematic bottom view of a decoration of an electronic device according to an embodiment of the present invention;

FIG. 12 is an enlarged view of the structure of FIG. 10 at A;

FIG. 13 is a schematic view of the structure of FIG. 12 in the direction B;

fig. 14 is a schematic top view of a main control board of an electronic device according to an embodiment of the present invention;

fig. 15 is a schematic bottom view of a main control board of an electronic device according to an embodiment of the present invention;

FIG. 16 is a schematic structural diagram of a flexible electrical connector for an electronic device according to an embodiment of the present invention;

FIG. 17 is a schematic view of yet another configuration of a flexible electrical connector for an electronic device according to an embodiment of the present invention;

fig. 18 is a comparison graph of thickness effects of the electronic device provided by the embodiment of the present invention and the conventional electronic device.

Description of the reference numerals:

10-a housing;

11-a front shell;

111-a via;

112-a border;

113-a display module;

114-accommodating grooves;

12-a rear shell;

20-a main control board;

21-a plate body;

211-a grounding spring;

212-connecting spring plate;

22-an electronic component;

30-side key assembly;

31-a decorative piece;

311-a support;

312-a decorative portion;

313-fixed column;

3131 — first section;

3132 — a second segment;

314-a first mounting post;

315-a second mounting post;

316-notch;

317-avoidance groove;

318-grooves;

a 32-side bond;

321-a force application part;

322-a connecting arm;

3221-a spacing groove;

323-contact;

324-an elastic sleeve;

33-a flexible electrical connection;

331-a flexible plate;

332-a first connection plate;

3321-first mounting hole;

333-a second connection plate;

3331-second mounting hole;

34-a switch member;

35-a bonding member;

40-a metal dome;

41-connecting groove;

42-bumps;

43-Back glue.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. 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 invention.

In electronic equipment such as a tablet personal computer and the like, when the side key is installed, the side key is fixed on the side wall of a front shell, a pad golden finger part of a Flexible Printed Circuit (FPC for short) is fixed in the front shell through back glue, and then a main control board is locked above the pad golden finger, so that the pad is contacted with a connecting elastic sheet of the main control board, and finally Circuit connection of a key is realized.

In the related art, the overall thickness of the electronic device is large, and the side key is usually fixed by interference fit, as shown in fig. 1, the side key may also be fixed by a metal elastic sheet 40, as shown in fig. 2 and 3, a connecting groove 41 is formed in the metal elastic sheet 40, and is connected with the side key 32 through the connecting groove 41, and as the metal elastic sheet 40 is made of a metal material, the metal elastic sheet is in contact with the side key 32 to achieve circuit conduction. Holding tank 114 has been seted up to the lateral wall of preceding shell, refer to fig. 1 and fig. 2, metal shrapnel 40 is located holding tank 114, and the one side of metal shrapnel 40 sets up gum 43, and the another side sets up bump 42, and metal shrapnel 40 comes one side internal face fixed connection with holding tank 114 through gum 43, and metal shrapnel 40 passes through bump 42 butt in the opposite side internal face of holding tank, guarantees that electronic equipment is falling the in-process, and side key 32 is stable fixed. After the side keys 32 are assembled, the metal elastic sheet 40 is assembled from top to bottom, so that the assembly is inconvenient, the cost is high, the occupied space is large, the overall thickness of the electronic equipment is large, the size of the electronic equipment is difficult to reduce, and the electronic equipment is inconvenient to carry.

With the structure, in the process of developing the ultrathin flat plate, it is found that the electronic elements of the main control board are all distributed on the upper surface of the main control board, the electronic elements are not distributed on the lower surface of the main control board, the main control board is put into the shell, but if the electronic elements are all distributed on the upper surface of the main control board, the elastic sheet which is in contact with the side keys to realize circuit conduction is also arranged on the upper surface of the main control board, and the assembly is inconvenient.

In view of this, in the electronic device provided by the invention, the main control board is not provided with electronic elements arranged on both sides, and the electronic elements are all arranged on the surface of the board body facing the rear shell, so that the thickness of the main control board can be effectively reduced, thereby being beneficial to reducing the overall thickness of the electronic device.

An electronic apparatus provided by an embodiment of the present invention is described below with reference to the drawings.

Referring to fig. 4 and 5, an embodiment of the present invention provides an electronic device, including: the key assembly comprises a shell 10, a main control board 20 and a side key assembly 30, wherein the shell 10 comprises a front shell 11 and a rear shell 12 buckled with the front shell 11; the main control board 20 is disposed in the casing 10, and the main control board 20 includes a board body 21 and electronic components 22, and the electronic components 22 are all arranged on a surface of the board body 21 facing the rear case 12.

The side key assembly 30 includes a decoration 31, a side key 32 and a flexible electric connector 33, a through hole 111 is opened on a side wall surface of the front housing 11, the side key 32 is movably disposed in the through hole 111, the decoration 31 is disposed in the housing 10, and a part of the decoration 31 is disposed between the main control panel 20 and the side key 32, the side key 32 is movably connected with the decoration 31, a first end of the flexible electric connector 33 is electrically connected with a switch 34, the switch 34 extends between the side key electric connector 32 and the decoration 31, a second end of the flexible electric connector 33 is electrically connected with the main control panel 20, the side key 32 abuts against the switch 34 under an external force, so that the switch 34 is electrically conducted with the main control panel 20.

According to the electronic equipment provided by the invention, the main control board 20 is not provided with the electronic elements 22 on the two sides, the thickness of the main control board 20 can be effectively reduced by arranging the electronic elements 22 on the surface of the board body 21 facing the rear shell 12, so that the overall thickness of the electronic equipment is favorably reduced, the side keys 32 are movably connected with the decorating part 31 and are electrically connected with the switch part 34 and the main control board 20 through the flexible electric connecting parts 33, the installation of the side keys 32 is realized, and the use of the side keys 32 is not influenced.

It is easy to understand that if the electronic component 22 is disposed on the surface of the board body 21 facing the front shell 11, in order to avoid short circuit caused by contact due to too small distance between the electronic component 22 and the metal parts of the front shell 11, it is necessary to ensure that there is a sufficiently large safety distance between the main control board 20 and the front shell 11, which increases the thickness of the whole machine, so the electronic components 22 are all arranged on the surface of the board body 21 facing the rear shell 12, which can effectively reduce the thickness of the main control board 20.

In a possible implementation manner, referring to fig. 8 and 9, the side key 32 includes a force application portion 321 and a connecting arm 322, the connecting arm 322 is connected to a surface of the force application portion 321 facing the decoration 31, a limiting groove 3221 is formed in the connecting arm 322, a fixing post 313 is arranged on a side of the decoration 31 facing the force application portion 321, the fixing post 313 is movably arranged in the limiting groove 3221, and when the side key 32 is in a pressed state and a released state, the fixing post 313 abuts against two opposite side inner walls of the limiting groove 3221 respectively, so that a moving distance of the side key 32 is limited. The limiting effect on the side key 32 is achieved through the decorating part 31, the electronic equipment is prevented from falling off and loosening and is stably mounted in the falling process.

In a possible implementation manner, the force application portion 321 and the connecting arm 322 may be integrally formed, one end of the connecting arm 322 is connected to the force application portion 321, and the other end of the connecting arm 322 extends toward the direction approaching the decoration 31. The fixing column 313 moves in the limiting groove 3221 through the movement of the side key 32.

In one possible embodiment, in order to facilitate the application of force to the force application portion 321, a surface of the force application portion 321 facing away from the garnish 31 may be provided with anti-slip patterns, abrasive particles, or the like.

In a possible implementation manner, the fixing post 313 may be integrally formed with the decoration 31, so as to improve the structural strength of the fixing post 313, and the fixing post 313 includes, but is not limited to, a circular post, a rectangular post, and the like.

In a possible implementation manner, the surfaces of the fixing column 313 and the inner wall of the limiting groove 3221, which are abutted against each other, are both planes, and the plane directly block the effect, so that the limiting effect is improved.

In a possible embodiment, as shown in fig. 6 and 8, the connecting arms 322 have two, the retaining grooves 3221 are located on the sides of the two connecting arms 322 facing away from each other, and the fixing post 313 includes a first section 3131 and a second section 3132 connected to each other, the first section 3131 is connected to the decorative element 31, the second section 3132 extends into the retaining groove 3221, and a central axis of the second section 3132 is perpendicular to a plane in which the decorative element 31 is located. The two connecting arms 322 are beneficial to improving the balance when the side key 32 is pressed, avoiding the problems of inclination and the like of the side key 32 and improving the use effect.

The electronic equipment provided by the invention omits a hardware limiting steel sheet required by the existing externally-mounted side key fixing, achieves the same limiting effect, and has firm installation and high reliability of the side key 32.

In a possible embodiment, the first section 3131 and the second section 3132 are perpendicular to each other, and the first section 3131 is connected to the decoration 31, so that the distance between the second section 3132 and the decoration 31 can be increased, and the problem that the length of the connecting arm 322 is too long and affects the structural strength of the connecting arm 322 is avoided.

In a possible implementation manner, the limiting groove 3221 may be an open groove recessed into the connecting arm 322, or may be a through groove penetrating through two sides of the connecting arm 322.

In a possible embodiment, referring to fig. 6, 10 and 12, two avoiding grooves 317 are opened on a surface of the decoration 31 facing the main control board 20, and two connecting arms 322 respectively extend into the two avoiding grooves 317. With the structure, the side key 32 and the decoration piece 31 can be prevented from interfering with each other, so that the space is saved, and the thickness of the electronic device is reduced.

In a possible implementation manner, the avoiding groove 317 is a structure recessed into the decoration 31, and the connecting arm 322 extends into the avoiding groove 317, so that the thickness of the decoration 31 and the side key 32 after assembly can be effectively reduced, space saving is facilitated, and the thickness of the electronic device is reduced.

Referring to fig. 4 and 9, the length L1 of the force application portion 321 is greater than the distance L2 between the two surfaces of the two connecting arms 322 facing away from each other, so that the two connecting arms 322 can be directly installed into the housing 10 from the through hole 111 to be connected with the garnish 31, and the installation is convenient.

Referring to fig. 5 and 6, according to the present invention, the side key 32 and the decoration 31 may be assembled, and then the flexible electrical connector 33 is assembled, such that the main control board 20 and the switch 34 are in contact conduction through the flexible electrical connector 33, the switch 34 corresponds to the side key 32, and finally the side key assembly 30 is assembled into the housing 10, so that the side key assembly may be delivered to an assembly plant as a whole, which may reduce assembly processes, improve assembly efficiency, and facilitate quality control.

In a possible implementation manner, referring to fig. 4 and 15, the front shell 11 includes a frame 112 and a display module 113 embedded in the frame 112, a grounding elastic sheet 211 is disposed on a surface of the plate body 21 facing the display module 113, and the grounding elastic sheet 211 abuts against the display module 113 and is electrically connected to the display module 113. The display module 113 comprises a screen, and the grounding elastic sheet 211 of the plate body 21 is abutted to the display module 113, so that the electrostatic grounding of the screen is realized, and the use safety is improved.

The rear shell 12 is connected to the frame 112, and the rear shell 12 and the frame 112 may be made of metal, which is beneficial to improving the heat dissipation effect. The grounding elastic pieces 211 may be a plurality of pieces, and are spaced from each other and distributed on one surface of the plate 21 facing the display module 113.

In one possible embodiment, referring to fig. 6, the force application portion 321 protrudes from the outer surface of the frame 112, a contact 323 is disposed on a surface of the force application portion 321 facing the decoration 31, the contact 323 is located between the two connecting arms 322, and the contact 323 correspondingly abuts against the switch 34. The urging portion 321 is pressed for urging, and the urging portion 321 presses the switch element 34 via the contact 323, thereby operating the switch element 34.

In a possible implementation manner, referring to fig. 6 and 9, the side key 32 further includes an elastic sleeve 324, a convex pillar is disposed on a surface of the force application portion 321 facing the decoration 31, the elastic sleeve 324 is sleeved on the convex pillar, the elastic sleeve 324 is in interference fit with the convex pillar, the convex pillar may be a circular pillar or a cross-shaped pillar, and a contact 323 is formed on a surface of the elastic sleeve 324 facing the decoration 31. Not only is the fixation of the elastic sleeve 324 realized, but also the switch member 34 can be prevented from being damaged due to rigid touch on the switch member 34.

In a possible implementation manner, the side key 32 may also be formed by two-color injection molding, and may also be a volume adjustment key for implementing a volume adjustment function of the electronic device.

In a possible embodiment, when the side key 32 is used to implement the power on/off function of the electronic device, the number of the switch members 34 is one, and the number of the contacts 323 is the same as the number of the switch members 34.

In a possible implementation manner, when the side key 32 is used for implementing a volume adjustment function of the electronic device, the number of the switch members 34 may be two, the two elastic sleeves 324 are connected with each other, and the number of the contacts 323 is the same as that of the switch members 34. Of course, in other possible ways, the switch member 34 may be plural.

In one possible embodiment, the switch member 34 is a push switch.

In a possible implementation manner, as shown in fig. 6 and 16, the flexible electrical connector 33 includes a flexible plate 331, a first connecting plate 332 and a second connecting plate 333, the first connecting plate 332 and the second connecting plate 333 are electrically connected to two ends of the flexible plate 331 respectively, the first connecting plate 332 and the second connecting plate 333 are both connected to the decoration 31, as shown in fig. 6 and 14, a connecting elastic sheet 212 is disposed on a surface of the plate body 21 facing the rear shell 12, the first connecting plate 332 is electrically connected to the connecting elastic sheet 212, and the switch 34 is electrically connected to the second connecting plate 333.

In a possible embodiment, the first connecting plate 332 and the second connecting plate 333 may be integrally connected with the flexible plate 331, and the connection is reliable.

In a possible embodiment, as shown in fig. 6 and 17, the connecting elastic piece 212 may be fixed on a surface of the plate body 21 facing the rear case 12. The first connecting plate 332 and the second connecting plate 333 may be connected to the decoration 31 by an adhesive 35 or by screws.

In one possible embodiment, the first surface of the first connecting plate 332 is electrically connected to the connecting spring 212, and the second surface of the first connecting plate 332 is connected to the decoration 31; the second surface of the first connecting plate 332 and the decoration 31 can be connected through the adhesive member 35, the adhesive member 35 can be, for example, a double-sided tape or a glue, the fixing connection is convenient, the assembly cost is low, and the first connecting plate 332 and the decoration 31 are pressed, so that the first connecting plate 332 and the decoration 31 are stably connected through the adhesive member 35.

In one possible embodiment, as shown in fig. 6 and 17, a first face of the second connecting plate 333 is connected to the garnish 31, and the switch member 34 is electrically connected to a second face of the second connecting plate 333. The first surface of the second connecting plate 333 and the decoration 31 can be connected by the adhesive member 35, and the adhesive member 35 can be a double-sided tape or a glue, which is convenient for fixing and connecting and has low assembly cost.

It will be readily appreciated that the first face of the first connection plate 332 opposes the second face of the first connection plate 332 and the first face of the second connection plate 333 opposes the second face of the second connection plate 333.

The plane of the first connecting plate 332 and the plane of the second connecting plate 333 form an included angle. The simple structure realizes the contact conduction between the side key 32 located on the side surface of the casing 10 and the connecting elastic sheet 212 inside the casing 10, so that the contact conduction between the side key 32 and the connecting elastic sheet 212 in different thickness directions of the electronic device is realized.

In one possible embodiment, the angle between the plane of the first connecting plate 332 and the plane of the second connecting plate 333 is 90 °.

In a possible implementation manner, referring to fig. 7 and 11, the decoration member 31 includes a support portion 311 and a decoration portion 312 connected to the support portion 311, a gap 316 is provided between the support portion 311 and the decoration portion 312, at least a part of the electronic component 22 is located in the gap 316, the support portion 311 is located between the main control panel 20 and the rear case 12, the decoration portion 312 extends between the main control panel 20 and the bezel 112, and the side key 32 is movably connected to the decoration portion 312. The supporting portion 311 is located between the main control board 20 and the rear case 12, so that a certain safety distance is provided between the main control board 20 and the rear case 12, and the rear case 12 is prevented from being electrified due to the contact between the electronic element 22 of the main control board 20 and the rear case 12, thereby improving the safety of use.

In one possible embodiment, as shown in fig. 7 and 10, the support portion 311 and the decorative portion 312 are connected in a right-angled shape. The notch 316 is located between the supporting portion 311 and the decoration portion 312, and at least a part of the electronic component 22 is located in the notch 316, so that the space occupied by the main control board 20 and the decoration 31 in the overlapping direction of the thickness of the electronic device can be effectively reduced, and the thickness of the electronic device can be reduced.

In a possible embodiment, referring to fig. 6 and 16, one surface of the supporting portion 311 facing the main control board 20 has a first mounting post 314, the first connecting plate 332 has a first mounting hole 3321 therein, and the first mounting hole 3321 is sleeved on an outer peripheral surface of the first mounting post 314. With the structure, the first connecting plate 332 is limited, and the stability of the electrical connection between the first connecting plate 332 and the connecting spring piece 212 is ensured.

In order to improve the stability of installation, the number of the first mounting posts 314 may be two, and the first mounting holes 3321 are spaced from each other, and the number of the first mounting posts 314 is the same, so that the installation and positioning of the first connecting plate 332 are realized. The first mounting post 314 is located at an edge of a side of the supporting portion 311 facing the main control board 20, thereby being beneficial to reducing the length of the flexible board 331 and saving space.

The first connecting plate 332 and the decoration 31 are positioned through the cooperation of the first mounting post 314 and the first mounting hole 3321, and then the first connecting plate 332 and the decoration 31 are stably bonded and fixed through the bonding piece 35.

Referring to fig. 6 and 17, a second mounting post 315 is disposed on a surface of the decorative portion 312 facing the side key 32, a second mounting hole 3331 is formed in the second connecting plate 333, and the second mounting hole 3331 is fitted on an outer circumferential surface of the second mounting post 315.

Referring to fig. 6 and 13, in order to improve the stability of the installation, the number of the second mounting posts 315 may be two and spaced apart from each other, and the number of the second mounting holes 3331 is the same as the number of the second mounting posts 315. Thereby achieving the mounting positioning of the second connection plate 333.

The second connecting plate 333 and the decoration 31 are positioned through the cooperation of the second mounting post 315 and the second mounting hole 3331, and then the second connecting plate 333 and the decoration 31 are stably bonded and fixed through the bonding member 35.

In a possible implementation manner, referring to fig. 6 and 12, a groove 318 is further formed in a surface of the decorative portion 312 facing the main control board 20, the flexible board 331 is located in the groove 318, the groove 318 is used for defining an extending direction of the flexible board 331, and the influence of the flexible board 331 protruding out of the decorative portion 312 on the overall thickness is also avoided.

In one possible embodiment, the depth of recess 318 is greater than the thickness of flexible board 331, and the width of recess 318 is greater than the width of flexible board 331, so as to facilitate accommodating flexible board 331 in recess 318.

In one possible implementation, the electronic device provided by the invention is a tablet computer or a mobile phone.

When the user presses the biasing portion 321, the side key 32 is pressed, and the entire side key 32 moves in a direction toward the garnish 31, the fixing post 313 abuts against one inner wall of the stopper groove 3221 in the longitudinal direction, and the contact 323 abuts against the switch 34, thereby achieving contact conduction. When the user releases the side key 32, under the action of the elastic force of the switch member 34, the contact 323 is pushed to move the side key 32 in a direction away from the decoration 31 until the fixing post 313 abuts against the inner wall of the other side of the limiting groove 3221 in the length direction, and the side key 32 returns to the position before being pressed.

According to the electronic equipment provided by the invention, the integrated design of the decorating part 31, the side key 32 and the flexible electric connector 33 is realized, the electronic equipment can be assembled in advance, the assembly procedures of an electronic equipment assembly factory are reduced, and poor indexes are controlled more easily.

In the electronic device provided by the invention, the surface of the main control board 20 facing the front shell 11 is provided with the grounding elastic sheet 211, the electronic elements 22 are not arranged, the electronic elements 22 are distributed on the surface of the main control board 20 facing the rear shell 12, and the electronic elements 22 are arranged on one surface of the main control board 20, so that the main control board 20 can be directly installed in the shell 10 for assembly, and the thickness of the main control board 20 can be reduced.

Referring to fig. 18, in the electronic device on the left side, the electronic components 22 are disposed on both sides of the main control board 20, and in the electronic device on the right side, the electronic components 22 are distributed on the side of the main control board 20 facing the rear case 12, so that the thickness H of the electronic device is reduced by 18% to 23%, which has a significant effect on reducing the thickness of the electronic device.

According to the electronic equipment provided by the invention, through improving the structure of the side key assembly 30, even if the connecting elastic sheet 212 of the main control board 20 to be communicated with the side key 32 is arranged on the surface of the main control board 20 facing the rear shell 12, the conduction and installation of the side key 32 are also realized, the limiting function of the side key 32 can be realized without a metal elastic sheet, the stability of the side key 32 is ensured, the cost of the metal elastic sheet and the occupied space in the shell 10 are saved, the miniaturization development of the electronic equipment is facilitated, and the carrying of the electronic equipment is facilitated.

In the description of the present invention, it is to be understood that the terms "center", "length", "width", "thickness", "top", "bottom", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "inner", "outer", "axial", "circumferential", and the like, are used to indicate an orientation or positional relationship based on that shown in the drawings, merely to facilitate the description of the invention and to simplify the description, and do not indicate or imply that the position or element referred to must have a particular orientation, be of particular construction and operation, and thus, are not to be construed as limiting the invention.

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

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integral; may be mechanically coupled, may be electrically coupled or may be in communication with each other; either directly or indirectly through intervening media, such as through internal communication or through an interaction between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the 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 invention.

Claims

1. An electronic device, comprising:

the shell (10), the said shell (10) includes the front shell (11) and rear shell (12) buckled with said front shell (11) each other;

the main control board (20) is arranged in the shell (10), the main control board (20) comprises a board body (21) and electronic elements (22), and the electronic elements (22) are all arranged on one surface, facing the rear shell (12), of the board body (21);

side key assembly (30), side key assembly (30) are including decoration (31), side key (32) and flexible electric connector (33), through-hole (111) have been seted up to the side wall face of preceding shell (11), side key (32) activity sets up in through-hole (111), decoration (31) set up in casing (10), and part decoration (31) are located main control board (20) with between side key (32), side key (32) with decoration (31) swing joint, the first end electricity of flexible electric connector (33) is connected with switch (34), switch (34) extend to side key (32) with between decoration (31), the second end of flexible electric connector (33) with main control board (20) electricity is connected, side key (32) under the exogenic action butt in switch (34), so that switch (34) with main control board (20) electrical property switches on.

2. The electronic device according to claim 1, wherein the side key (32) comprises a force application portion (321) and a connecting arm (322), the connecting arm (322) is connected to a surface of the force application portion (321) facing the decoration (31), a limiting groove (3221) is formed in the connecting arm (322), a fixing post (313) is arranged on a side of the decoration (31) facing the force application portion (321), the fixing post (313) is movably arranged in the limiting groove (3221), and when the side key (32) is in a pressed state and a released state, the fixing post (313) abuts against two opposite side inner walls of the limiting groove (3221), respectively.

3. An electronic device according to claim 2, characterized in that there are two of the connecting arms (322), the stopper groove (3221) is located on the side of the two connecting arms (322) facing away from each other, the fixing post (313) comprises a first section (3131) and a second section (3132) connected to each other, the first section (3131) is connected to the decorative element (31), the second section (3132) extends into the stopper groove (3221), and a central axis of the second section (3132) is perpendicular to a plane in which the decorative element (31) is located.

4. The electronic device of claim 3, wherein two avoiding grooves (317) are formed in a surface of the decoration (31) facing the main control board (20), and the two connecting arms (322) extend into the two avoiding grooves (317), respectively.

5. The electronic device according to any one of claims 2 to 4, wherein the front housing (11) includes a frame (112) and a display module (113) embedded in the frame (112), a grounding elastic sheet (211) is disposed on a surface of the board body (21) facing the display module (113), and the grounding elastic sheet (211) abuts against the display module (113) and is electrically connected to the display module (113).

6. The electronic device according to claim 5, wherein the force application portion (321) protrudes from an outer surface of the rim (112), a contact (323) is disposed on a surface of the force application portion (321) facing the decoration (31), the contact (323) is located between the two connecting arms (322), and the contact (323) correspondingly abuts against the switch member (34).

7. The electronic device according to claim 5, characterized in that the flexible electrical connector (33) comprises a flexible plate (331), a first connecting plate (332) and a second connecting plate (333), the first connecting plate (332) and the second connecting plate (333) are electrically connected to two ends of the flexible plate (331), the first connecting plate (332) and the second connecting plate (333) are both connected to the decoration (31), a connecting spring (212) is arranged on a surface of the plate body (21) facing the rear housing (12), the first connecting plate (332) is electrically connected to the connecting spring (212), and the switch element (34) is electrically connected to the second connecting plate (333).

8. The electronic device of claim 7, wherein a first face of the first connecting plate (332) is electrically connected with the connecting spring piece (212), and a second face of the first connecting plate (332) is connected with the decoration piece (31); the first face of the second connecting plate (333) is connected with the decoration piece (31), the switch piece (34) is electrically connected with the second face of the second connecting plate (333), and an included angle is formed between the plane of the first connecting plate (332) and the plane of the second connecting plate (333).

9. An electronic device according to claim 8, characterized in that the angle between the plane of the first connection plate (332) and the plane of the second connection plate (333) is 90 °.

10. The electronic device according to claim 8, wherein the decoration member (31) comprises a support portion (311) and a decoration portion (312) connected to the support portion (311), a gap (316) is formed between the support portion (311) and the decoration portion (312), at least a part of the electronic component (22) is located in the gap (316), the support portion (311) is located between the main control panel (20) and the rear case (12), the decoration portion (312) extends between the main control panel (20) and the rim (112), and the side key (32) is movably connected to the decoration portion (312).

11. The electronic device according to claim 10, wherein a surface of the supporting portion (311) facing the main control board (20) has a first mounting post (314), a first mounting hole (3321) is formed in the first connecting plate (332), and the first mounting hole (3321) is sleeved on an outer peripheral surface of the first mounting post (314);

one surface of the decoration part (312) facing the side key (32) is provided with a second mounting column (315), a second mounting hole (3331) is formed in the second connecting plate (333), and the outer peripheral surface of the second mounting column (315) is sleeved with the second mounting hole (3331).

12. The electronic device of claim 10, wherein a surface of the decorative portion (312) facing the main control board (20) is further formed with a groove (318), and the flexible board (331) is located in the groove (318).

13. The electronic device of any of claims 1-4, wherein the electronic device is a tablet computer or a mobile phone.