CN218039986U - Middle frame part and terminal equipment - Google Patents

Abstract

The utility model discloses a center part and terminal equipment. The middle frame part comprises a metal middle frame, an electric connection assembly, a first sealing ring and a second sealing ring. The metal middle frame comprises a side plate body and a pressure bearing body adjacent to the side plate body, and the side plate body is provided with a shielding through hole. The electric connection assembly comprises a mounting piece and an electric plug, the mounting piece comprises a cavity and a mounting body fixedly arranged outside the cavity, the cavity is provided with a containing through cavity, and the mounting body is fixedly connected with the pressure bearing body; the electric plug is inserted into the accommodating through cavity and is partially inserted into the shielding through hole so as to form an electric interface on the metal middle frame. The first sealing ring is sleeved on the outer side of the cavity and clamped between the inner side surface of the side plate body and the mounting body to seal and shield the through hole. The second sealing washer cup joints in the outside of electric mortiser piece, and the second sealing washer is along with electric mortiser piece and is set up in holding logical intracavity to sealed holding leads to the chamber. The sealing performance of the middle frame component is good, and the waterproof performance of the terminal equipment is improved.

Description

Middle frame part and terminal equipment

Technical Field

The present disclosure relates to the field of electronic technologies, and in particular, to a middle frame component and a terminal device.

Background

At present, terminal devices such as mobile phones, tablet computers, wearable devices, distance measuring devices, scanning devices and shooting devices have become essential scientific and technological products in the life, study and entertainment processes of people. Generally, the terminal device is connected with other components through an electrical connection component (such as Type-a, type-B, type-C, USB, etc.) to realize at least one of power supply, communication, data transmission, etc.

In the related art, the thickness of the middle frame is getting smaller due to the requirement of the slim design of the terminal device. After traditional electric connection assembly imbeds the center, because the thickness of center is little, lead to the sealed effect of the two poor, be unfavorable for improving terminal equipment's waterproof performance.

SUMMERY OF THE UTILITY MODEL

The present disclosure provides a middle frame component and a terminal device. The middle frame component has good sealing performance and is beneficial to improving the waterproof performance of the terminal equipment.

The technical scheme is as follows:

according to a first aspect of the embodiments of the present disclosure, there is provided a middle frame component, including a metal middle frame, an electrical connection assembly, a first sealing ring, and a second sealing ring. The metal middle frame comprises a side plate body and a pressure-bearing body adjacent to the side plate body, and the side plate body is provided with a shielding through hole. The electric connection assembly comprises a mounting piece and an electric plug, the mounting piece comprises a cavity and a mounting body fixedly arranged outside the cavity, the cavity is provided with an accommodating through cavity, and the mounting body is fixedly connected with the pressure bearing body; the electric plug is inserted into the accommodating through cavity and comprises an insulating plate and a conductive terminal arranged on the insulating plate; and the part of the insulating plate and the part of the conductive terminal are exposed out of the cavity and inserted into the shielding through hole so as to form an electrical interface on the metal middle frame. The first sealing ring is sleeved on the outer side of the cavity and clamped between the inner side surface of the side plate body and the mounting body to seal and shield the through hole. The second sealing washer cup joints in the outside of electric mortiser piece, and the second sealing washer sets up in holding logical intracavity along with the electric mortiser piece to press from both sides and locate between the inside wall of cavity and the lateral wall of electric mortiser piece, with sealed holding logical chamber.

The technical scheme provided by the embodiment of the disclosure can have the following beneficial effects:

when the metal middle frame and the metal middle frame are assembled, the electric plug is inserted into the accommodating through cavity of the mounting piece and is fixedly connected with the mounting piece. And the part of the insulating plate and the part of the conductive terminal of the electric plug are exposed out of the cavity and inserted into the shielding through hole. The mounting body is fixedly connected with the pressure-bearing body, the electric connection assembly is fixed on the side plate body of the metal middle frame, and the electric plug is matched with the metal middle frame to form an electric interface. Utilize the sealed logical chamber that holds of second sealing washer, and first sealing washer is pressed from both sides and is located between the medial surface and the installation body of curb plate body, in order to seal the shielding through-hole, compare with traditional electric connection assembly, because the shielding through-hole of metal center reduces, electric connection assembly's the size of inserting the metal center has also reduced, make first sealing washer and inside wall and the contact surface area of propping the pressure surface can increase, make the sealed effectual of shielding through-hole of first sealing washer, can avoid outside dust or liquid to get into in the terminal equipment from the electrical interface. Therefore, the middle frame component is good in sealing performance and beneficial to improving the waterproof performance of the terminal equipment.

The technical scheme of the present disclosure is further explained as follows:

in one embodiment, the second sealing ring has an adhesive property, and the electric plug is fixedly adhered to the cavity through the second sealing ring.

In one embodiment, the electric plug is inserted into the accommodating through cavity and forms a mounting gap with the inner side wall of the cavity. The electric connection assembly comprises silica gel, the liquid silica gel is filled in the mounting gap, and a second sealing ring is formed after solidification.

In one embodiment, the mounting body comprises a pressing surface arranged around the outer side of the cavity, and the first sealing ring is clamped between the inner side surface of the side plate body and the pressing surface.

In one embodiment, the mounting part further comprises an elastic sheet, the metal middle frame is provided with a limiting convex part arranged at a distance from the side plate body, and the elastic sheet is arranged between the limiting convex part and the inner side surface of the side plate body to extrude the first sealing ring.

In one embodiment, the mounting body further comprises a matching surface which is attached to the bearing body, the matching surface is provided with connecting through holes which are arranged at two sides of the electric plug at intervals, and the bearing body is provided with internal thread holes which correspond to the connecting through holes one to one. The center part still includes fastening bolt, and fastening bolt passes connect the via hole and internal thread hole spiro union cooperation, is fixed in the metal center with the installed part.

In one embodiment, the mounting member further comprises a connecting body fixedly connected with the mounting body, the connecting body is provided with a mounting groove, and the insulating plate is partially arranged in the mounting groove and fixedly connected with the connecting body.

In one embodiment, the connector is further provided with a clamping groove arranged on the inner side wall of the mounting groove, and the insulating plate is provided with a clamping protrusion in snap fit with the clamping groove.

In one embodiment, the connecting body comprises at least two first positioning projections protruding out of the mounting groove.

And/or the insulating plate also comprises at least two second positioning bulges arranged in the bulge installation grooves.

And/or, at least one conductive terminal is partially protruded out of the mounting groove.

And/or the connecting body, the mounting body and the cavity are integrally formed.

In one embodiment, the shielding through hole comprises a first through hole arranged close to the mounting piece and a second through hole communicated with the first through hole and in a stepped hole shape, and the area of the first through hole is smaller than that of the second through hole; the cavity is in positioning fit with the accommodating through cavity, the part of the cavity is in positioning fit with the first through hole, and the part of the insulating plate and the part of the conductive terminal are inserted into the second through hole.

In one embodiment, a portion of the cavity is inserted into the second through-hole to form a stop within the electrical interface.

According to a second aspect of the embodiments of the present disclosure, there is also provided a terminal device, including a circuit board assembly and the middle frame member in any of the above embodiments, the circuit board assembly being electrically connected with an electrical plug.

The technical scheme provided by the embodiment of the disclosure can have the following beneficial effects:

this terminal equipment has used above-mentioned center part, and the sealed effectual of electrical interface can avoid outside dust or liquid to improve terminal equipment's waterproof performance in getting into terminal equipment from the electrical interface.

The technical solution of the present disclosure is further explained below:

in one embodiment, the mounting member further comprises a connecting body, the connecting body comprises at least two first positioning protrusions which are arranged in a protruding mode, and the circuit board assembly is provided with first positioning holes matched with the first positioning protrusions in a positioning mode.

And/or the insulating plate further comprises at least two second positioning bulges which are arranged in a protruding mode, and the circuit board assembly is provided with second positioning holes matched with the second positioning bulges in a positioning mode.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.

Drawings

Brief description of the drawingsthe accompanying drawings, which form a part of the disclosure, are included to provide a further understanding of the disclosure, and the exemplary embodiments and descriptions thereof are provided to explain the disclosure and not to limit the disclosure.

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

Fig. 1 is a schematic structural diagram of a terminal device shown in an embodiment.

Fig. 2 is a schematic partial structure diagram of the terminal device shown in fig. 1.

Fig. 3 is a schematic structural view of the electrical connection assembly shown in fig. 2.

Fig. 4 is an exploded view of the electrical connection assembly shown in fig. 3.

Fig. 5 is a schematic cross-sectional diagram of a terminal device shown in an embodiment.

Fig. 6 is a schematic diagram of a hardware configuration of the terminal device shown in fig. 1.

Description of reference numerals:

1. a terminal device; 11. a processing component; 12. a memory; 13. a power supply component; 14. a multimedia component; 15. an audio component; 16. an input/output interface; 17. a sensor assembly; 18. a communication component; 10. a circuit board assembly; 20. a middle frame member; 100. a metal middle frame; 101. an electrical interface; 110. a side plate body; 111. shielding the through hole; 102. a first through hole; 103. a second through hole; 120. a pressure-bearing body; 121. an internally threaded bore; 130. a limiting boss; 200. an electrical connection assembly; 210. a mounting member; 211. a cavity; 2111. an accommodating through cavity; 212. an installation body; 2121. a mating surface; 2122. a connecting through hole; 213. pressing the surface; 214. a spring plate; 215. a linker; 201. mounting grooves; 202. a card slot; 204. a first positioning projection; 220. an electrical plug-in; 221. an insulating plate; 203. clamping convex; 205. a second positioning projection; 222. a conductive terminal; 300. a first seal ring; 400. a second seal ring; 500. and (5) fastening the bolt.

Detailed Description

To make the objects, technical solutions and advantages of the present disclosure more clearly understood, the following detailed description of the present disclosure is made with reference to the accompanying drawings and the detailed description of the present disclosure. It should be understood that the detailed description and specific examples, while indicating the scope of the disclosure, are intended for purposes of illustration only and are not intended to limit the scope of the disclosure.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this disclosure belongs. The terminology used herein in the description of the disclosure is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure.

Terminal equipment such as cell-phones and panel computer, occupy important position in people's life, also bring a great deal of convenience and enjoyment for people's life. At present, the variety of terminal equipment is various, the brands are various, so that a plurality of terminal equipment products can be selected by consumers, the favor of the consumers can be obtained, and the product competitiveness is improved. Among terminal equipment products with similar functions or performances, the thinner and lighter the terminal equipment is, the more attractive the terminal equipment is to be purchased by consumers. Therefore, how to realize the lightness and thinness of the terminal equipment becomes a problem which is more and more emphasized by terminal equipment manufacturers.

The terminal device is usually connected to other components through an electrical connection component (such as Type-a, type-B, type-C, USB, etc.) to implement at least one of power supply, communication, data transmission, etc.

However, in the related art, after the conventional electrical connection component is embedded into the middle frame, the middle frame has a small thickness, which results in a poor sealing effect between the middle frame and the middle frame, and is not beneficial to improving the waterproof performance of the terminal device.

Based on this, this disclosure provides a sealing performance of this center part is good, is favorable to improving terminal equipment's waterproof performance.

For a better understanding of the middle frame part of the present disclosure, the following description is made in conjunction with a terminal device to which the middle frame part is applied.

As shown in fig. 1 to 3, in some embodiments of the present disclosure, there is provided a terminal device 1 including a circuit board assembly 10 and a middle frame member 20.

As shown in fig. 2 and 5, the middle frame member 20 includes a middle frame member 20, which includes a metal middle frame 100, an electrical connection assembly 200, a first sealing ring 300, and a second sealing ring 400. The metal middle frame 100 includes a side plate body 110 and a pressure receiving body 120 adjacent to the side plate body 110, and the side plate body 110 is provided with a shielding through hole 111. The electrical connection assembly 200 comprises a mounting member 210 and an electrical plug 220, the mounting member 210 comprises a cavity 211 and a mounting body 212 fixedly arranged outside the cavity 211, the cavity 211 is provided with a containing through cavity 2111, and the mounting body 212 is fixedly connected with the pressure-bearing body 120; the electrical plug 220 is inserted into the through-receiving cavity 2111, and the electrical plug 220 includes an insulating plate 221 and a conductive terminal 222 disposed on the insulating plate 221; and portions of the insulating plate 221 and the conductive terminals 222 are exposed out of the cavity 211 and inserted into the shielding through holes 111 to form the electrical interface 101 on the metal bezel 100. The first sealing ring 300 is sleeved outside the cavity 211, and the first sealing ring 300 is sandwiched between the inner surface of the side plate 110 and the mounting body 212 to seal the shielding through hole 111. The second sealing ring 400 is sleeved on the outer side of the electrical plug 220, and the second sealing ring 400 is disposed in the accommodating through cavity 2111 along with the electrical plug 220 and is clamped between the inner side wall of the cavity 211 and the outer side wall of the electrical plug 220 to seal the accommodating through cavity 2111. The circuit board assembly 10 is disposed inside the terminal device 1 and electrically connected with the electrical plug 220 to interact with an external device through the electrical interface 101.

When the metal middle frame 100 is assembled with the metal middle frame 100, the electrical plug 220 is inserted into the receiving cavity 2111 of the mounting member 210 and is fixedly connected with the mounting member 210. And the portions of the insulating plate 221 and the conductive terminals 222 of the electrical connector 220 are exposed out of the cavity 211 and inserted into the shielding through hole 111. The mounting body 212 is fixedly connected to the pressure bearing body 120 to fix the electrical connection assembly 200 to the side plate body 110 of the metal middle frame 100, and the electrical plug 220 is mated with the metal middle frame 100 to form the electrical interface 101. When the second sealing ring 400 is used to seal the accommodating through-cavity 2111, and the first sealing ring 300 is clamped between the inner side surface of the side plate 110 and the mounting body 212, so as to seal the shielding through-hole 111, compared with the conventional electrical connection assembly 200, because the shielding through-hole 111 of the metal middle frame 100 is reduced, the size of the electrical connection assembly 200 inserted into the metal middle frame 100 is also reduced, the contact surface area between the first sealing ring 300 and the inner side wall and the abutting surface 213 can be increased, the sealing effect of the first sealing ring 300 on the shielding through-hole 111 is good, and external dust or liquid can be prevented from entering the terminal device 1 from the electrical interface 101. Thus, the sealing performance of the middle frame member 20 is good, which is beneficial to improving the waterproof performance of the terminal device 1.

This terminal equipment 1 has used above-mentioned center part 20, and the sealed effectual of electrical interface 101 can avoid in outside dust or liquid gets into terminal equipment 1 from electrical interface 101, improves terminal equipment 1's waterproof performance.

In addition, the electrical connection component 200 omits a water inlet housing inserted into the metal middle frame 100, and reduces the thickness of the electrical connection component 200 inserted into the metal middle frame 100, so that the size of the shielding through hole 111 on the metal middle frame 100 is small, and the terminal device 1 can be designed and manufactured in a light and thin manner, so as to meet the requirements of consumers.

The terminal device 1 of the present disclosure may include a distance measuring device, a scanning device, a photographing device, a handheld device, a vehicle-mounted device, a wearable device, a monitoring device, a cellular phone (cellular phone), a smart phone (smart phone), a Personal Digital Assistant (PDA) computer, a tablet computer, a portable computer, a laptop computer (laptop computer), a video camera, a video recorder, a camera, a smart watch (smart watch), a smart band (smart band), a vehicle-mounted computer, and the like.

As can be appreciated, the application of the assembled circuit board assembly 10 of the present disclosure makes the terminal device 1 thinner and lighter, and can reduce the packaging material, thereby reducing the packaging cost; in addition, the smaller the volume is, the more the carrying difficulty can be reduced, and the user experience can be further improved; moreover, occupation space is little, under the equal storage space condition, can save more terminal equipment 1, reduces storage cost and cost of transportation, is favorable to reducing terminal equipment 1's operation cost, and then can improve this disclosed terminal equipment 1's product competitiveness.

Particularly, this terminal equipment 1 is cell-phone or panel computer, and the complete machine is more frivolous has better hand of holding, improves the travelling comfort that the user used terminal equipment 1, for the user brings better experience, more can obtain consumer favor, and then has improved this disclosed terminal equipment 1's product competitiveness.

It should be noted that the electrical connection assembly 200 can be implemented in various ways, including but not limited to at least one of a Type-a connector, a Type-B connector, a Type-C connector, and a USB connector.

Optionally, the electrical connection assembly 200 is a Type-C connector, the conductive terminals 222 are conductive terminals 222, the insulating plate 221 is an insulating plate 221, and at least 24 conductive terminals 222 are provided in an insulating manner.

It can be understood that the conventional sealing between the electrical connection assembly 200 and the middle frame is usually performed by a dispensing mode, which is easily caused by dispensing deformation failure or aging failure to cause the sealing effect, and further causes the terminal device 1 to be damaged by the short circuit of the internal electronic device due to the water entering the electrical interface 101. The first sealing ring 300 is used for active sealing, so that the terminal device 1 cannot easily fail and the sealing durability is improved.

On the basis of any of the above embodiments, as shown in fig. 2 to 5, in some embodiments, the mounting member 210 is provided with a groove, and the mounting body 212 is at least partially embedded in the groove, so that the abutting surface 213 is disposed in the groove; the first sealing ring 300 includes a first annular body nested and engaged with the groove, and a second annular body fixed on the first annular body, the second annular body protruding out of the groove. Thus, the abutting surface 213 is disposed in the groove, so that the contact area between the first seal ring 300 and the mounting member 210 can be increased, and the sealing performance can be improved. Meanwhile, the second annular body protrudes out of the first annular body, so that the extrusion deformation of the second annular body is larger, the sealing area of the inner side wall of the side plate body 110 is increased, and the sealing effect of the shielding through hole 111 is improved.

Optionally, the first annular body is also in sealing contact with the inner sidewall of the side plate body 110. Thus, the sealing effect of the shield through hole 111 can be further improved.

It should be noted that the first sealing ring 300 may be made of various materials, including but not limited to rubber, silicone, and other sealing members.

Optionally, in some embodiments, the first sealing ring 300 is a UV sealing ring.

It should be noted that the mounting member 210 can be fixedly connected to the pressure-bearing body 120 in various ways, including but not limited to, adhesive fixation, screw fixation, snap fixation, elastic fastening, and the like.

As shown in fig. 2 and 3, in some embodiments, the mounting body 212 further includes a mating surface 2121 attached to the pressure-bearing body 120, the mating surface 2121 is provided with connecting through holes 2122 spaced apart from each other on two sides of the electrical connector 220, and the pressure-bearing body 120 is provided with internal threaded holes 121 corresponding to the connecting through holes 2122. The middle frame member 20 further includes a fastening bolt 500, and the fastening bolt 500 is screwed into the internal threaded hole 121 through the connecting through hole 2122 to fix the mounting member 210 to the metal middle frame 100. So, directly utilize fastening bolt 500 to pass connect the through hole 2122 and the spiro union cooperation of internal thread hole 121, be fixed in metal center 100 with installed part 210, easy to carry out, and simple to operate can reduce the occupation to terminal equipment 1 inner space, is favorable to further improving terminal equipment 1's frivolousization.

In addition, after the fixing by the fastening bolt 500, the fixing device is convenient to disassemble when maintenance is needed in the later period.

In addition to any of the above embodiments, as shown in fig. 3 to 5, in some embodiments, the mounting body 212 includes a pressing surface 213 disposed around the outer side of the cavity 211, and the first sealing ring 300 is sandwiched between the inner side surface of the side plate 110 and the pressing surface 213. Thus, the pressing surface 213 can further press the first sealing ring 300, and the contact area between the first sealing ring 300 and the mounting member 210 can be increased, which is beneficial to improving the sealing effect of the sealing shielding through hole 111.

Further, as shown in fig. 2 to 4, in some embodiments, the mounting member 210 further includes an elastic sheet 214, the metal middle frame 100 is provided with a limit convex portion spaced apart from the side plate 110, and the elastic sheet 214 is disposed between the limit convex portion and an inner side surface of the side plate 110 to press the first sealing ring 300. Thus, by providing the elastic sheet 214, the elastic sheet 214 is installed between the limiting convex portion and the inner side surface of the side plate body 110 to extrude the first sealing ring 300, so that the first sealing member is reliably clamped between the inner side wall of the side plate body 110 and the abutting surface 213, and the sealing reliability is improved.

It should be noted that the second sealing ring 400 can be implemented in various forms, including but not limited to rubber, silicone, etc. External dust or liquid can be prevented from entering the terminal device 1 from the accommodating through cavity 2111, and the waterproof performance of the terminal device 1 is improved.

In addition to any of the above embodiments, in some embodiments, the second sealing ring 400 has an adhesive property, and the electrical plug 220 is adhesively fixed to the cavity 211 through the second sealing ring 400. In this way, the adhesion performance of the second sealing ring 400 can be used to improve the sealing performance and the fixing reliability between the electrical plug 220 and the mounting member 210.

Further, as shown in fig. 4-5, in some embodiments, the electrical connector 220 is inserted into the receiving through cavity 2111 and forms a mounting gap with the inner sidewall of the cavity 211. The electrical connection assembly 200 includes a silicone rubber, and the liquid silicone rubber is filled in the mounting gap and cured to form the second sealing ring 400. Thus, the liquid silicone gel is filled in the mounting gap, and the second sealing ring 400 is formed after curing, so that the second sealing ring 400 is tightly fitted with the electrical plug 220 and the inner side wall of the cavity 211. The adhesive property of the silica gel can be utilized to improve the sealing property and the fixing firmness degree of the electric plug 220 and the mounting part 210

It is understood that in some embodiments, the first sealing ring 300 and the second sealing ring 400 cooperate to improve the waterproof performance of the terminal device 1 to be above the waterproof performance of IPX 8.

On the basis of any of the above embodiments, as shown in fig. 3 and 4, in some embodiments, the mounting member 210 includes a connecting body 215, the connecting body 215 is provided with a mounting groove 201, and a part of the insulating plate 221 is disposed in the mounting groove 201 and is fixedly connected with the connecting body 215. In this way, the mounting groove 201 is inserted into and fitted with the insulating plate 221, and is fixedly connected with the connecting body 215, so that the electrical plug 220 can be conveniently fixed on the mounting member 210.

In addition, when the connector 215 is made of metal or coated with a metal layer, the insulating plate 221 is disposed in the mounting groove 201, so as to play a role of shielding, and reduce interference of the electrical connection assembly 200 on the electronic devices inside the terminal device 1.

It should be noted that, the specific implementation manner of the fixed connection between the insulating plate 221 and the connecting body 215 may be various, including but not limited to, adhesive fixation, screw fixation, snap fixation, and the like.

Optionally, as shown in fig. 3 and 4, in some embodiments, the connecting body 215 is further provided with a clamping groove 202 disposed on an inner side wall of the mounting groove 201, and the insulating plate 221 is provided with a clamping protrusion 203 snap-fitted with the clamping groove 202. So, utilize draw-in groove 202 and the protruding 203 cooperation of card, be convenient for fix the insulation board 221 on connector 215, easy dismounting.

In addition to any of the above embodiments, as shown in fig. 3, in some embodiments, the connecting body 215 includes at least two first positioning protrusions 204 protruding out of the mounting groove 201, and the circuit board assembly 10 is provided with first positioning holes for positioning and matching with the first positioning protrusions 204. Therefore, the first positioning protrusion 204 and the first positioning hole are matched in a positioning manner, so that the circuit board assembly 10 is conveniently pre-fixed on the electric connection assembly 200, the electric connection reliability of the circuit board assembly and the electric connection assembly is improved, and the circuit board assembly 10 can be supported by the electric connection assembly 200.

On the basis of any of the above embodiments, as shown in fig. 3, in some embodiments, the insulating plate 221 further includes at least two second positioning protrusions 205 protruding out of the mounting groove 201, and the circuit board assembly 10 is provided with second positioning holes for positioning and matching with the second positioning protrusions 205. Thus, the second positioning protrusion 205 and the second positioning hole are matched for positioning, so that the circuit board assembly 10 is pre-fixed on the electrical connection assembly 200, the reliability of electrical connection between the two is improved, and the electrical connection assembly 200 can be used for supporting the circuit board assembly 10.

On the basis of any of the above embodiments, as shown in fig. 3, in some embodiments, at least a portion of one conductive terminal 222 protrudes out of the mounting groove 201. Thus, the conductive matching with the electrical connection assembly 200 is facilitated, and the reliability of the electrical contact between the two is improved.

In addition to any of the embodiments described above, as shown in FIG. 5, in some embodiments, electrical connector 220 is positioned to mate with through cavity 2111. In this way, the electrical connector 220 is tightly fitted to the cavity 211, the cavity 211 is small in size, and the second sealing ring 400 has a better sealing effect for sealing the accommodation through cavity 2111.

Further, as shown in fig. 5, in some embodiments, the shielding through hole 111 includes a first through hole 102 disposed near the mounting member 210 and a second through hole 103 in a stepped hole shape communicating with the first through hole 102, and an area of the first through hole 102 is smaller than that of the second through hole 103. Part of the cavity 211 is positioned and matched with the first through hole 102, and part of the insulating plate 221 and part of the conductive terminal 222 are inserted into the second through hole 103. Thus, the small-sized cavity 211 is inserted into the first through hole 102 and is positioned and matched with the first through hole 102, so that the electrical connection assembly 200 is accurately fixed on the metal middle frame 100, the electrical interface 101 with precise assembly is formed on the metal middle frame 100, the electrical interface 101 is reliably matched with an external electrical connector, and the conductive terminals 222 are reliably electrically contacted with the external electrical connector.

With the first sealing ring 300, the first through hole 102 has a small size, which can further increase the contact area between the first sealing ring 300 and the inner sidewall of the side plate 110, thereby improving the sealing effect.

On the basis of the above embodiments, as shown in fig. 5, in some embodiments, a portion of the cavity 211 is inserted into the second through hole 103 to form a stopper in the electrical interface 101. Thus, the cavity 211 allows the inner length of the second through hole 103 to form a limiting portion, and prevents the external electrical connector from being damaged by over-insertion when the external electrical connector is inserted into the electrical interface 101 of the present disclosure. And the abrasion or damage caused by the frequent insertion of the external electric plug into the side wall of the metal middle frame 100 can be avoided.

Optionally, the connecting body 215, the mounting body 212 and the cavity 211 may be integrally formed and fixed by a metal powder forming process, so as to reduce the assembling process and improve the assembling efficiency of the electrical connection assembly 200.

Referring to fig. 6, in some embodiments, the terminal device 1 may further include one or more of the following components: processing components 11, memory 12, power supply components 13, multimedia components 14, audio components 15, interfaces for input/output 16, sensor components 17, and communication components 18.

The processing components typically control overall operation of the electronic device, such as operations associated with display, telephone calls, data communications, camera operations, and recording operations. The processing components may include one or more processors to execute instructions to perform all or a portion of the steps of the methods described above. Further, the processing component may include one or more modules that facilitate interaction between the processing component and other components. For example, the processing component may include a multimedia module to facilitate interaction between the multimedia component and the processing component.

The memory is configured to store various types of data to support operations at the electronic device. Examples of such data include instructions for any application or method configured to operate on the electronic device, contact data, phonebook data, messages, pictures, videos, and the like. The memory may be implemented by any type or combination of volatile and non-volatile memory devices, such as Static Random Access Memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic or optical disks.

The control mainboard comprises a processing component and a memory.

The power supply component provides power to various components of the electronic device. The power components may include a power management system, one or more power supplies, and other components associated with generating, managing, and distributing power for an electronic device.

The multimedia assembly comprises the display module, and man-machine interaction is facilitated. If the display module includes a touch panel, the display module may be implemented as a touch screen to receive an input signal from a user. The touch panel includes one or more touch sensors to sense touch, slide, and gestures on the touch panel. The touch sensor may not only sense the boundary of a touch or slide action, but also detect the duration and pressure associated with the touch or slide operation. In some embodiments, the multimedia component includes a front facing camera and/or a rear facing camera. The front camera and/or the rear camera may receive external multimedia data when the electronic device is in an operating mode, such as a shooting mode or a video mode. Each front camera and rear camera may be a fixed optical lens system or have a focal length and optical zoom capability.

The audio component is configured to output and/or input an audio signal. For example, the audio assembly includes a Microphone (MIC) configured to receive an external audio signal when the electronic device is in an operational mode, such as a call mode, a recording mode, and a voice recognition mode. The received audio signal may further be stored in a memory or transmitted via a communication component. In some embodiments, the audio assembly further comprises a speaker configured to output an audio signal.

The input/output interface provides an interface between the processing component and a peripheral interface module, which may be a keyboard, click wheel, buttons, etc. These buttons may include, but are not limited to: a home button, a volume button, a start button, and a lock button.

The sensor assembly includes one or more sensors configured to provide various aspects of state assessment for the electronic device. For example, the sensor assembly may detect an open/closed state of the electronic device, the relative positioning of the components, such as a display and keypad of the electronic device, the sensor assembly may also detect a change in position of the electronic device or a component of the electronic device, the presence or absence of user contact with the electronic device, orientation or acceleration/deceleration of the electronic device, and a change in temperature of the electronic device. The sensor assembly may include a proximity sensor configured to detect the presence of a nearby object in the absence of any physical contact. The sensor assembly may also include a light sensitive element, such as a CMOS or CCD image sensor, configured for use in imaging applications. In some embodiments, the sensor assembly may further include an acceleration sensor, a gyroscope sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.

The communication component is configured to facilitate wired or wireless communication between the electronic device and other devices. The electronic device may access a wireless network based on a communication standard, such as WiFi,2G, 3G, 4G, or 6G, or the like, or a combination thereof. In an exemplary embodiment, the communication component receives a broadcast signal or broadcast related information from an external broadcast management system via a broadcast channel. In one exemplary embodiment, the communication component further includes a Near Field Communication (NFC) module to facilitate short-range communications. For example, the NFC module may be implemented based on Radio Frequency Identification (RFID) technology, infrared data association (IrDA) technology, ultra Wideband (UWB) technology, bluetooth (BT) technology, and other technologies.

In the description of the present disclosure, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present disclosure and to simplify the description, but are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the present disclosure.

Furthermore, the terms "first", "second", etc. 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," "second," etc. may explicitly or implicitly include at least one of the feature. In the description of the present disclosure, "a plurality" means at least two, e.g., two, three, etc., unless explicitly specifically limited otherwise.

In the present disclosure, unless otherwise expressly stated 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; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present disclosure can be understood by those of ordinary skill in the art as appropriate.

In the present disclosure, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "above," and "over" a second feature may be directly on or obliquely above the second feature, or simply mean that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "fixed," "disposed," "secured" or "disposed" to another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. Further, when one component is considered to be "fixedly connected" to another component, the two components may be fixed by way of detachable connection, or may be fixed by way of non-detachable connection, such as socket connection, snap connection, integrally formed fixation, welding, etc., which can be realized in the conventional art, and is not cumbersome.

All possible combinations of the technical features in the above embodiments may not be described for the sake of brevity, but should be considered as being within the scope of the present disclosure as long as there is no contradiction between the combinations of the technical features.

The above examples only show several embodiments of the present disclosure, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that various changes and modifications can be made by one skilled in the art without departing from the spirit and scope of the disclosure.

Claims (13)

1. A center frame component, comprising:

the metal middle frame comprises a side plate body and a pressure-bearing body adjacent to the side plate body, and the side plate body is provided with a shielding through hole;

the electric connection assembly comprises a mounting piece and an electric plug piece, the mounting piece comprises a cavity and a mounting body fixedly arranged outside the cavity, the cavity is provided with a containing through cavity, and the mounting body is fixedly connected with the pressure bearing body; the electric plug is inserted into the accommodating through cavity and comprises an insulating plate and a conductive terminal arranged on the insulating plate; the insulating plate and the conductive terminal are exposed out of the cavity and inserted into the shielding through hole to form an electrical interface on the metal middle frame;

the first sealing ring is sleeved on the outer side of the cavity and clamped between the inner side surface of the side plate body and the mounting body so as to seal the shielding through hole; and

the second sealing ring is sleeved on the outer side of the electric plug, arranged in the accommodating through cavity along with the electric plug and clamped between the inner side wall of the cavity and the outer side wall of the electric plug to seal the accommodating through cavity.

2. The middle frame piece of claim 1, wherein the second seal ring has adhesive properties, and the electrical insert is adhesively secured to the cavity by the second seal ring.

3. The middle frame member of claim 2, wherein the electrical connector is inserted into the receiving cavity and forms a mounting gap with an inner sidewall of the cavity; the electric connection assembly comprises silica gel, the silica gel is in a liquid state, the silica gel is filled in the mounting gap, and the second sealing ring is formed after solidification.

4. The middle frame component according to claim 1, wherein the mounting body includes a pressing surface disposed around an outer side of the cavity, and the first seal ring is sandwiched between an inner side surface of the side plate body and the pressing surface.

5. The middle frame component according to claim 4, wherein the mounting member further comprises an elastic sheet, the metal middle frame is provided with a limit convex part arranged at an interval with the side plate body, and the elastic sheet is arranged between the limit convex part and the inner side surface of the side plate body to press the first sealing ring.

6. The middle frame member according to claim 4, wherein the mounting body further comprises a matching surface which is jointed with the bearing body, the matching surface is provided with connecting through holes which are arranged at two sides of the electric plug at intervals, and the bearing body is provided with internal thread holes which are in one-to-one correspondence with the connecting through holes; the middle frame component further comprises a fastening bolt, the fastening bolt penetrates through the connecting through hole and is in threaded connection with the internal threaded hole, and the mounting piece is fixed on the metal middle frame.

7. The middle frame component according to claim 1, wherein the mounting member further comprises a connector fixedly coupled to the mounting member, the connector having a mounting groove, and the insulating plate is partially disposed in the mounting groove and fixedly coupled to the connector.

8. The middle frame component according to claim 7, wherein the connecting body is further provided with a locking groove disposed on an inner side wall of the mounting groove, and the insulating plate is provided with a locking protrusion which is in snap fit with the locking groove.

9. The middle frame member as claimed in claim 7, wherein the connection body includes at least two first positioning protrusions provided to protrude from the mounting groove;

and/or the insulating plate further comprises at least two second positioning bulges which are arranged to protrude out of the mounting groove;

and/or, at least one part of the conductive terminal protrudes out of the mounting groove;

and/or the connecting body, the mounting body and the cavity are integrally formed.

10. The middle frame member according to any one of claims 1 to 9, wherein the shielding through-holes include a first through-hole provided near the mounting member and a second through-hole in a stepped hole shape communicating with the first through-hole, the first through-hole having an area smaller than that of the second through-hole; the cavity is matched with the accommodating through cavity in a positioning mode, part of the cavity is matched with the first through hole in a positioning mode, and part of the insulating plate and part of the conductive terminal are inserted into the second through hole.

11. The middle frame piece of claim 10, wherein portions of the cavity are inserted into the second through-hole to form a stop within the electrical interface.

12. A terminal device comprising a circuit board assembly and the middle frame member of any one of claims 1 to 11, the circuit board assembly being electrically connected to the electrical connectors.

13. The terminal device of claim 12, wherein the mounting member further comprises a connecting body, the connecting body comprises at least two first positioning protrusions which are convexly arranged, and the circuit board assembly is provided with first positioning holes which are in positioning fit with the first positioning protrusions;

and/or the insulating plate further comprises at least two second positioning bulges which are arranged in a protruding mode, and the circuit board assembly is provided with second positioning holes matched with the second positioning bulges in a positioning mode.

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