CN212380585U - Grounding structure of terminal equipment - Google Patents

Grounding structure of terminal equipment Download PDF

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Publication number
CN212380585U
CN212380585U CN202021206251.2U CN202021206251U CN212380585U CN 212380585 U CN212380585 U CN 212380585U CN 202021206251 U CN202021206251 U CN 202021206251U CN 212380585 U CN212380585 U CN 212380585U
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China
Prior art keywords
display screen
metal substrate
metal
grounding structure
elastic
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CN202021206251.2U
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Chinese (zh)
Inventor
张爱平
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Wuxi Wentai Information Technology Co ltd
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Wuxi Wentai Information Technology Co ltd
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Priority to CN202021206251.2U priority Critical patent/CN212380585U/en
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Abstract

The utility model discloses a grounding structure of terminal equipment, which comprises a front shell, a display screen and a cover plate, wherein the display screen is arranged at the inner side of the cover plate, the front shell comprises a plastic outer frame and a metal substrate fixed on the plastic outer frame, and the edge of the cover plate is fixedly connected on the plastic outer frame; the metal conduction piece is arranged between the display screen and the metal substrate and comprises a fixing part fixedly connected to the metal substrate and an elastic part connected to the fixing part and abutted against the display screen, the fixing part is electrically conducted with the metal substrate, and the elastic part is electrically conducted with the display screen. The utility model discloses set up the elastic metal between display screen and preceding shell and switch on the piece, make the display screen can be stable with terminal equipment complete machine ground connection, can not disturb the radio frequency sensitivity of display module assembly, keep the capacitance value of display module assembly stable to can not disturb terminal equipment's radio frequency sensitivity when lightening the display module assembly.

Description

Grounding structure of terminal equipment
Technical Field
The utility model relates to the field of electronic technology, concretely relates to terminal equipment's ground structure.
Background
The display screen modules of the existing terminals such as mobile phones and pads are usually provided with steel sheets and chip devices, and when the display screen works, the steel sheets and the chip devices can greatly interfere with the radio frequency sensitivity of terminal equipment, so that the interference is avoided by grounding the whole display screen.
Conventional display screen module is mostly through electrically conductive sponge and terminal equipment complete machine ground connection, and the effect of its ground connection often receives electrically conductive sponge thickness dimensional tolerance's influence, that is to say, its ground connection effect often is not stable enough, and like this, the constantly changing condition can appear in the capacitance value of display screen to influence the normal use of screen, the concrete expression is in, produces the jumping point easily during operation display screen, perhaps display screen automatic triggering when not pressing.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a terminal equipment's ground structure, its radio frequency sensitivity that can not disturb display module assembly keeps display module assembly's capacitance value stable.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the grounding structure of the terminal equipment comprises a front shell, a display screen and a cover plate, wherein the display screen is arranged on the inner side of the cover plate, the front shell comprises a plastic outer frame and a metal substrate fixed on the plastic outer frame, and the edge of the cover plate is fixedly connected to the plastic outer frame; the display screen comprises a display screen body and is characterized in that a metal conduction piece is arranged between the display screen body and the metal substrate, the metal conduction piece comprises a fixed part fixedly connected to the metal substrate and an elastic part connected to the fixed part and abutted against the display screen body, the fixed part is electrically conducted with the metal substrate, and the elastic part is electrically conducted with the display screen body.
Preferably, the fixing portion is a plate-shaped base, and the base is attached to the metal substrate and fixed to the metal substrate by welding.
Preferably, the elastic part is a spring plate, one end of the spring plate is connected to the base, and the other end of the spring plate forms a contact part which is abutted to the display screen.
Preferably, the other end of the elastic sheet is provided with a bending part, and the contact part is a contact protrusion arranged on the bending part.
Preferably, the bending part is connected with a supporting piece arranged opposite to the elastic piece, the base is provided with a through groove, and one end of the supporting piece, far away from the bending part, penetrates through the through groove and then abuts against the metal substrate.
Preferably, the metal substrate is provided with a mounting groove, and the base is arranged in the mounting groove.
Preferably, a plurality of metal conducting pieces are distributed between the display screen and the metal substrate.
The utility model discloses set up the elastic metal between display screen and preceding shell and switch on the piece, make the display screen can be stable with terminal equipment complete machine ground connection, can not disturb the radio frequency sensitivity of display module assembly, keep the capacitance value of display module assembly stable to can not disturb terminal equipment's radio frequency sensitivity when lightening the display module assembly.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a cross-sectional view of the present invention;
fig. 3 is a schematic structural diagram of the metal via in fig. 1.
The reference numbers illustrate:
reference numerals Name (R) Reference numerals Name (R)
10 Display screen 411 Through groove
20 Cover plate 42 Spring plate
30 Plastic outer frame 43 A bent part
31 Metal substrate 431 Contact bump
40 Metal conducting part 44 Support sheet
41 Base seat
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
As shown in fig. 1 and 2, the grounding structure of a terminal device of the present invention, and more particularly to a grounding structure of a mobile phone display screen, which includes a front casing, a display screen 10, a cover plate 20 and a plurality of metal conduction members 40, wherein the front casing includes a plastic frame 30 and a metal substrate 31 fixed to the plastic frame 30, the display screen 10 is located on the inner surface of the cover plate 20 and is attached to the cover plate 20 to form a module, the edge portion of the cover plate 20 is fixedly connected to the plastic frame 30, the plurality of metal conduction members 40 are distributed between the display screen 10 and the metal substrate 31, the metal conduction members 40 include a fixed portion fixedly connected to the metal substrate 31 and an elastic portion abutting against the display screen 10, the elastic portion is connected to the fixed portion, the fixed portion is electrically connected to the metal substrate 31, the elastic portion is electrically connected to the display screen 10, and thus, the display screen 10 is electrically connected to the metal substrate 31 by the metal conduction members 40, thereby achieving the purpose of grounding the display screen 10.
Referring to fig. 3, in a preferred embodiment, the fixing portion of the metal conductive member 40 of the present invention is a plate-shaped base 41, and the base 41 is attached to the metal substrate 31 and fixed on the metal substrate 31 by welding, so as to fix the base 41 and the metal substrate 31 and electrically connect them; the elastic portion is a spring 42, one end of the spring 42 is formed by bending one end of the base 41 upwards, and the other end of the spring extends upwards in an inclined manner to form a contact portion, and the contact portion abuts against the display screen 10, presses the display screen 10 and is electrically connected with the display screen 10.
In order to make the contact portion maintain a better contact with the display screen 10, the other end of the elastic sheet 42 is provided with a bending portion 43, and the contact portion is a contact protrusion 431 formed on the bending portion 43 by a process such as stamping.
In addition, the bending portion 43 is further connected with a supporting piece 44, the supporting piece 44 is disposed opposite to the elastic sheet 42, that is, after the elastic sheet 42 is bent and formed from one end of the base 41, the bending portion 43 is bent and formed on the elastic sheet 42, so as to form the supporting piece 44, the supporting piece 44 extends obliquely downward, the base 41 is provided with a through slot 411, and a lower end (i.e., an end far from the bending portion 43) of the supporting piece 44 extends downward through the through slot 411 and abuts against the metal substrate 31, so that after the elastic sheet 42 is subjected to a downward pressure of the display screen 10, the elastic sheet 42 is bent and deformed, and then, the supporting piece 44 is pressed downward, so as to press the metal substrate 31 downward and electrically communicate with the metal substrate 31, thereby further improving the conductivity between the display screen 10 and the.
In another preferred embodiment, the present invention provides the mounting groove 311 on the metal substrate 31, the base 41 is disposed in the mounting groove 311, and the base 41 is welded on the bottom wall of the mounting groove 311, so as to reduce the mounting height of the base 41, that is, the mounting height of the metal conduction piece 40 is reduced, so that the occupation of the metal conduction piece 40 to the internal space of the mobile phone can be reduced, and meanwhile, the elastic piece 42 and the support piece 44 on the metal conduction piece 40 have sufficient lengths, so that the elastic piece 42 and the support piece 44 have sufficient elastic deformation when being pressed by the display screen 10 and the metal substrate 31, thereby ensuring better conduction.
The utility model discloses in, can be as above-mentioned, set up a plurality of metals between display screen 10 and metal substrate 31 and switch on a 40, a plurality of metals switch on a 40 as far as possible and are set up in the position department by display screen 10 both sides edge. Of course, in other embodiments, only one metal conduction member 40 may be disposed between the display panel 10 and the metal substrate 31, as long as the display panel is electrically connected to the metal substrate 31.
In addition, it should be pointed out that the utility model discloses metal conducting piece 40 is not only limited to adopting above-mentioned structure, and it can also be other structures, for example, install the metal spring on a fixed part that welds in metal substrate 31, utilizes this metal spring roof pressure to press on display screen 10, realizes that display screen 10 and metal substrate 31's electrical property switches on. Of course, the above description is only for the mobile phone, and the above-mentioned ground structure of the present invention is also applicable to other terminal devices such as pad and notebook computer.
Compared with the prior art, the utility model discloses set up the elastic metal between display screen and preceding shell and switch on the piece, make the display screen can be stable with terminal equipment complete machine ground connection, can not disturb display module assembly's radio frequency sensitivity, keep display module assembly's capacitance value stable to can not disturb terminal equipment's radio frequency sensitivity when lighting display module assembly.
The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.

Claims (7)

1. The grounding structure of the terminal equipment is characterized by comprising a front shell, a display screen and a cover plate, wherein the display screen is arranged on the inner side of the cover plate; the display screen comprises a display screen body and is characterized in that a metal conduction piece is arranged between the display screen body and the metal substrate, the metal conduction piece comprises a fixed part fixedly connected to the metal substrate and an elastic part connected to the fixed part and abutted against the display screen body, the fixed part is electrically conducted with the metal substrate, and the elastic part is electrically conducted with the display screen body.
2. The grounding structure of the terminal device according to claim 1, wherein the fixing portion is a plate-shaped base attached to the metal substrate and fixed to the metal substrate by soldering.
3. The grounding structure of the terminal device according to claim 2, wherein the elastic portion is a spring, one end of the spring is connected to the base, and the other end of the spring forms a contact portion abutting against the display screen.
4. The grounding structure of a terminal device according to claim 3, wherein the other end of the resilient piece is provided with a bent portion, and the contact portion is a contact protrusion disposed on the bent portion.
5. The grounding structure of a terminal device according to claim 4, wherein the bent portion is connected to a supporting piece disposed opposite to the elastic piece, the base is provided with a through slot, and an end of the supporting piece away from the bent portion passes through the through slot and abuts against the metal substrate.
6. The grounding structure of a terminal device according to claim 2, wherein a mounting groove is provided on the metal substrate, and the base is placed in the mounting groove.
7. The grounding structure of the terminal device according to claim 1, wherein a plurality of the metal conductive members are distributed between the display screen and the metal substrate.
CN202021206251.2U 2020-06-24 2020-06-24 Grounding structure of terminal equipment Active CN212380585U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021206251.2U CN212380585U (en) 2020-06-24 2020-06-24 Grounding structure of terminal equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021206251.2U CN212380585U (en) 2020-06-24 2020-06-24 Grounding structure of terminal equipment

Publications (1)

Publication Number Publication Date
CN212380585U true CN212380585U (en) 2021-01-19

Family

ID=74163443

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021206251.2U Active CN212380585U (en) 2020-06-24 2020-06-24 Grounding structure of terminal equipment

Country Status (1)

Country Link
CN (1) CN212380585U (en)

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