CN111355030B - mobile terminal - Google Patents
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- CN111355030B CN111355030B CN202010159966.5A CN202010159966A CN111355030B CN 111355030 B CN111355030 B CN 111355030B CN 202010159966 A CN202010159966 A CN 202010159966A CN 111355030 B CN111355030 B CN 111355030B
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- elastic
- arm
- middle frame
- feed point
- main board
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- 238000009434 installation Methods 0.000 claims abstract 2
- 230000007704 transition Effects 0.000 claims description 16
- 239000010935 stainless steel Substances 0.000 claims description 5
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- IUYOGGFTLHZHEG-UHFFFAOYSA-N copper titanium Chemical compound [Ti].[Cu] IUYOGGFTLHZHEG-UHFFFAOYSA-N 0.000 claims description 2
- 230000008054 signal transmission Effects 0.000 abstract description 16
- 230000009471 action Effects 0.000 abstract description 7
- 238000005452 bending Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
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- Telephone Set Structure (AREA)
Abstract
本发明提供了一种移动终端，包括壳体、主板、中框以及连接组件。中框包括中框主体和天线馈，天线馈点上设有安装孔；连接组件包括弹片和紧固件；弹片包括弹脚和弹臂，弹脚上设有紧固孔，弹臂的表面凸设有触点；紧固件穿设于紧固孔和安装孔中，使得弹片固定在中框上，以使弹脚抵触主板，并使触点弹性抵接天线馈点，从而使主板与天线馈点馈电连接。弹臂与弹脚之间具有弹性活动空间，即使紧固件没有锁紧，在弹性活动空间的作用下，弹脚弹性抵接紧固件，弹臂则弹性抵接中框，使得天线馈点同时承受紧固件的下压力和弹臂的弹性压力，以使弹臂上的触点稳定地弹性抵接中框上的天线馈点，从而保证主板与天线馈点之间信号传输的稳定性，确保用户的正常使用。
The present invention provides a mobile terminal, comprising a casing, a main board, a middle frame and a connection assembly. The middle frame includes a middle frame body and an antenna feed, and the antenna feed point is provided with mounting holes; the connection components include shrapnel and fasteners; the shrapnel includes elastic feet and elastic arms, the elastic feet are provided with fastening holes, and the surface of the elastic arms is convex Contacts are provided; the fasteners are penetrated in the fastening holes and the installation holes, so that the elastic pieces are fixed on the middle frame, so that the elastic feet contact the main board, and the contacts elastically contact the antenna feed point, so that the main board and the antenna are connected Feed point feed connection. There is an elastic space between the elastic arm and the elastic foot. Even if the fastener is not locked, under the action of the elastic space, the elastic foot elastically contacts the fastener, and the elastic arm elastically contacts the middle frame, so that the antenna feed point At the same time, it bears the downward pressure of the fastener and the elastic pressure of the elastic arm, so that the contacts on the elastic arm can stably and elastically contact the antenna feed point on the middle frame, thereby ensuring the stability of signal transmission between the main board and the antenna feed point. , to ensure the normal use of the user.
Description
Technical Field
The invention relates to the technical field of terminal equipment, in particular to a mobile terminal.
Background
Within the interior of a mobile terminal, it is often necessary to conduct the antenna signal through a patch assembly to the motherboard of the mobile terminal. At present, an antenna gasket is fixed on a main board and is connected with an antenna through a screw, so that the main board is electrically contacted with the antenna, and signal transmission is realized.
However, in an actual assembly process, the screws in the gasket assembly are often installed loosely, so that the gasket cannot establish a stable feed connection with the antenna, which makes signal transmission of the mobile terminal unstable and affects normal use of a user.
Disclosure of Invention
The invention aims to solve the technical problems that in the mobile terminal in the prior art, the bolt in the gasket assembly is not tightly installed, so that the gasket cannot be stably connected with an antenna in a feeding way, the signal transmission of the mobile terminal is unstable, and the normal use of a user is influenced.
In order to solve the above technical problems, the present invention provides a mobile terminal, which includes a housing, a main board, a middle frame, and a connecting assembly, wherein the main board is disposed inside the housing; the middle frame comprises a middle frame main body and an antenna feed point arranged on the middle frame main body; the antenna feed point is arranged on one side of the mainboard and is provided with a mounting hole; the connecting assembly comprises an elastic sheet and a fastener; the elastic sheet comprises an elastic foot and an elastic arm, the elastic arm is connected to one end of the elastic foot in a bending mode, and an elastic moving space is formed between the elastic arm and the elastic foot; the elastic leg is provided with a fastening hole for the fastening piece to penetrate through, and the surface of the elastic arm, which is far away from the elastic leg, is convexly provided with a contact; the fastener penetrates through the fastening hole and the mounting hole, so that the elastic sheet is fixed on the middle frame, the elastic foot abuts against the main board, the contact on the elastic arm is elastically abutted against the antenna feed point, and the main board is connected with the antenna feed point in a feed mode.
According to the technical scheme, the beneficial effects of the invention are as follows:
in the mobile terminal, the elastic sheet can be fixed on the middle frame through the fastener, the elastic moving space is formed between the elastic arm and the elastic pin in the elastic sheet, even if the fastener is not locked, the elastic pin can still be elastically abutted against the fastener under the action of the elastic moving space, and the elastic arm can be elastically abutted against the middle frame, so that the antenna feed point can simultaneously bear the downward pressure of the fastener and the elastic pressure of the elastic arm, the contact on the elastic arm is stably and elastically abutted against the antenna feed point on the middle frame, the stability of signal transmission between the main board and the antenna feed point is ensured, and the normal use of a user is ensured.
Drawings
FIG. 1 is a schematic structural diagram of a mobile terminal according to an embodiment of the present invention;
fig. 2 is a schematic diagram of the internal structure of the mobile terminal shown in fig. 1;
FIG. 3 is a schematic diagram of another internal structure of the mobile terminal shown in FIG. 1;
fig. 4 is a schematic structural diagram of a spring plate in the mobile terminal shown in fig. 1;
FIG. 5 is a side view of the spring plate shown in FIG. 4;
fig. 6 is a rear view of the spring plate shown in fig. 4.
The reference numerals are explained below: 100. a mobile terminal; 10. a housing; 20. a main board; 21. a main board main body; 22. an extension portion; 23. connecting holes; 24. a fixing hole; 30. a middle frame; 31. a middle frame main body; 32. an antenna feed point; 33. mounting holes; 40. a connecting assembly; 41. a spring plate; 411. a spring foot; 4111. a main body portion; 4112. a connecting arm; 4112a, a first connection section; 4112b, a second connecting section; 4113. a fixed arm; 4113a, a first fixed segment; 4113b, a second fixed segment; 412. a spring arm; 4121. a transition section; 4122. a connecting portion; 413. a fastening hole; 414. a contact; 42. a fastener.
Detailed Description
Exemplary embodiments that embody features and advantages of the invention are described in detail below in the specification. It is to be understood that the invention is capable of other embodiments and that various changes in form and details may be made therein without departing from the scope of the invention and the description and drawings are to be regarded as illustrative in nature and not as restrictive.
For further explanation of the principles and construction of the present invention, reference will now be made in detail to the preferred embodiments of the present invention, which are illustrated in the accompanying drawings.
The mobile terminal related to the embodiment of the present application may be any terminal device having functions of communication, storage, display, and the like, such as: smart phones, tablet computers, notebook computers, electronic readers, vehicle-mounted devices, wearable devices, and the like.
Referring to fig. 1 to 4, an embodiment of the present invention provides a mobile terminal 100, where the mobile terminal 100 includes a housing 10, a main board 20, a middle frame 30 and a connecting component 40.
Wherein the main board 20 is disposed inside the case 10. The middle frame 30 includes a middle frame main body 31 and an antenna feed point 32 provided on the middle frame main body 31, the antenna feed point 32 being disposed on one side of the main board 20, the antenna feed point 32 being provided with a mounting hole 33.
The connecting assembly 40 includes a resilient tab 41 and a fastener 42. The elastic sheet 41 includes an elastic leg 411 and an elastic arm 412, the elastic arm 412 is bent and connected to one end of the elastic leg 411, and an elastic moving space is formed between the elastic leg 411 and the elastic arm 412. The spring leg 411 is provided with a fastening hole 413 for the fastening member 42 to penetrate through, and the surface of the spring arm 412 departing from the spring leg 411 is convexly provided with a contact 414.
The fastening member 42 is inserted into the fastening hole 413 and the mounting hole 33, so that the elastic sheet 41 is fixed on the middle frame 30, the elastic leg 411 abuts against the main board 20, and the contact 414 on the elastic arm 412 elastically abuts against the antenna feed point 32, so that the main board 20 is in feed connection with the antenna feed point 32, and signal transmission is realized.
In this embodiment, the housing 10 may include a front shell and a rear shell, which are fastened to form an accommodating space inside the housing 10. The accommodating space is provided with various components of the mobile terminal 100, and the housing 10 can be used for preventing dust, water vapor and the like from corroding the components and related structures inside the mobile terminal 100, so that the normal use of the mobile terminal 100 is ensured.
The main board 20 is disposed inside the housing 10, and is a circuit board designed with a circuit and integrated with electrical components. The main board 20 may be a printed circuit board, a flexible circuit board, a rigid-flex board, or the like. The main board 20 is electrically connected to relevant components inside the housing 10 to control the operation of the components, so that the mobile terminal 100 can perform corresponding functions.
In the present embodiment, the main board 20 includes a main board body 21 and extension portions 22 provided on both sides of the main board body 21. The main plate body 21 and the two extensions 22 may be integrally formed.
The end portions of the two extending portions 22 both extend outward beyond the end portion of the main board body 21, so that the main board body 21 and the two extending portions 22 form an accommodating area with an opening at a side edge at one side of the main board 20.
The middle frame 30 of the present embodiment is made of a metal material, such as an aluminum alloy, stainless steel, titanium alloy, or the like. The middle frame 30 includes a middle frame main body 31 and an antenna feed point 32 disposed on the middle frame main body 31, and the middle frame main body 31 and the antenna feed point 32 may be integrally formed.
In the present embodiment, the middle frame body 31 has a frame structure as a whole. The antenna feed point 32 is protruded on one side of the middle frame body 31 and located inside the middle frame body 31. The middle frame 30 is disposed on one side of the main board 20, the antenna feed point 32 of the middle frame 30 is accommodated in the accommodating area of the main board 20, and the middle frame main body 31 is located outside the main board main body 21 and the extending portion 22.
The antenna feed point 32 of the present embodiment is used for receiving and transmitting electromagnetic waves to realize signal transmission between the antenna feed point and the main board 20. The antenna feed point 32 is provided with a mounting hole 33 for the fastener 42 to pass through and fix, thereby realizing the locking of the fastener 42 and the middle frame 30.
Further, the antenna feed point 32 of the present embodiment is connected to the main board 20 through the connection component 40 for signal transmission.
In the present embodiment, the connecting assembly 40 includes a spring 41 and a fastener 42. The fastening member 42 is used to fix the elastic sheet 41 in the middle frame 30, so that the elastic sheet 41 abuts against the main board 20 on one side of the middle frame 30, and the elastic sheet 41 elastically abuts against the antenna feed point 32 on the middle frame 30, thereby establishing a feed connection between the main board 20 and the antenna feed point 32.
As shown in fig. 4 to 6, specifically, the elastic piece 41 includes an elastic leg 411 and an elastic arm 412. The elastic arm 412 is connected to one end of the elastic leg 411 in a bending manner, and an elastic moving space is formed between the elastic arm 412 and the elastic leg 411. The spring leg 411 is provided with a fastening hole 413 for the fastening member 42 to penetrate through, and the surface of the spring arm 412 departing from the spring leg 411 is convexly provided with a contact 414.
When the fastening member 42 simultaneously penetrates the fastening hole 413 of the elastic sheet 41 and the mounting hole 33 of the middle frame 30, the elastic sheet 41 can be fixed on the middle frame 30. At this time, because the elastic moving space is provided between the elastic arm 412 and the elastic leg 411, even if the fastening member 42 is not locked, the elastic leg 411 can still elastically abut against the fastening member 42 under the action of the elastic moving space, and the elastic arm 412 can elastically abut against the middle frame 30, so that the antenna feed point 32 simultaneously bears the downward pressure of the fastening member 42 and the elastic pressure of the elastic arm 412, so that the contact 414 on the elastic arm 412 stably elastically abuts against the antenna feed point 32 on the middle frame 30, thereby ensuring the stability of signal transmission between the main board 20 and the antenna feed point 32.
In the present embodiment, the spring 41 includes two spring arms 412. The two elastic arms 412 are respectively connected to the end of the elastic foot 411 in a bending manner, and an elastic moving space is formed between each elastic arm and the elastic foot 411. Two elastic arms 412 are respectively provided on both sides of the fastening hole 413 to avoid interference with the fastening member 42.
When the elastic sheet 41 is fixed on the middle frame 30 by the fastening member 42, under the action of the elastic moving space, the two elastic arms 412 can be elastically connected to the middle frame 30, so that the contacts 414 on the two elastic arms 412 can be stably connected to the antenna feed point 32 on the middle frame 30, and the stability of signal transmission between the main board 20 and the antenna feed point 32 is effectively ensured.
It should be noted that the number of the elastic arms 412 in the elastic sheet 41 is not limited to two as shown in this embodiment, and may be one or more than two, as long as it is ensured that the elastic arms 412 can be stably electrically connected with the middle frame 30, and the stability of signal transmission between the main board 20 and the antenna feed point 32 is ensured.
In the present embodiment, each spring arm 412 includes a transition portion 4121 and a connecting portion 4122. The transition portion 4121 is bent and connected to the end of the spring leg 411, and the connection portion 4122 is formed by extending the transition portion 4121 in a direction approaching the spring leg 411. The surface of the connecting portion 4122 facing away from the spring leg 411 is provided with a protruding contact 414.
The transition portion 4121 has an outer contour in the shape of an arc, one end of which is connected to the end of the spring leg 411 and is bent in a direction upward beyond the upper surface of the spring leg 411. After bending with a certain radian, the other end of the transition portion 4121, i.e. the free end of the transition portion 4121, is located below the spring leg 411.
The connecting portion 4122 is connected to the free end of the transition portion 4121, and the connecting portion 4122 may be integrally extended from the free end of the transition portion 4121. The transition portion 4121 is bent such that the connecting portion 4122 and the spring leg 411 have a space therebetween for elastic movement, i.e., the connecting portion 4122 and the spring leg 411 can be elastically moved toward or away from each other by the transition portion 4121.
When the resilient tab 41 is in the non-operating state, i.e. when not fixed to the middle frame 30 by the fastening member 42, the distance between the connecting portion 4122 and the resilient leg 411 tends to gradually increase along the direction from the connecting portion 4122 to the transition portion 4121 toward the free end of the connecting portion 4122. When the elastic sheet 41 is fixed on the middle frame 30 by the fastener 42, the connection portion 4122 and the elastic leg 411 are in a substantially parallel state under the action of the elastic moving space, so that the contact 414 on the connection portion 4122 abuts against the antenna feed point 32 on the middle frame 30.
In this embodiment, each of the connecting portions 4122 of the elastic arms 412 is provided with a contact 414 protruding therefrom. It should be noted that the number of the contacts 414 on each elastic arm 412 may be set to be plural, and a plurality of the contacts 414 are arranged on the elastic arm 412 at intervals. The plurality of contacts 414 are elastically abutted against the middle frame 30, so that the connection stability between the elastic sheet 41 and the feed point of the middle frame 30 can be enhanced, and the signal transmission strength between the main board 20 and the antenna feed point 32 can be more effectively improved.
Further, the pogo pin 411 of the present embodiment includes a main body portion 4111 and a connecting arm 4112. Wherein, seted up fastening hole 413 on the main part 4111, the one end of main part 4111 is bent and is connected with bullet arm 412, and connecting portion 4122 sets up and deviates from the other end of bullet arm 412 in main part 4111, and this connecting portion 4122 is used for mainboard 20 to contradict.
In this embodiment, the main body portion 4111 of the pogo pin 411 has a plate shape as a whole. The elastic arm 412 and the connecting arm 4112 are respectively located at two ends of the main body 4111, the contact 414 on the elastic arm 412 elastically abuts against the antenna feed point 32 of the middle frame 30, and the connecting arm 4112 abuts against the motherboard 20, so that the antenna feed point 32 establishes a feed connection with the motherboard 20 through the elastic piece 41, thereby realizing signal transmission.
The connecting arm 4112 of the present embodiment includes a first connecting section 4112a and a second connecting section 4112 b. The first connecting section 4112a is connected to an end of the main body portion 4111, and the second connecting section 4112b is connected to an end of the first connecting section 4112a, which faces away from the main body portion 4111. The first connecting section 4112a and the second connecting section 4112b are both L-shaped in outer contour to form a step-like structure at the junction.
In the present embodiment, the antenna feed point 32 of the middle frame 30 is accommodated in the accommodating area of the motherboard 20, and when the elastic sheet 41 is fixed on the middle frame 30, the connecting arm 4112 of the elastic sheet 41 corresponds to the motherboard main body 21 of the motherboard 20.
The main board body 21 of the embodiment has a connecting hole 23, and the second connecting segment 4112b is partially inserted into the connecting hole 23, so that the step-shaped structure of the connecting arm 4112 abuts against the surface of the main board body 21, so that the elastic leg 411 abuts against the main board 20, and the elastic piece 41 is electrically connected to the main board 20.
In addition, the elastic leg 411 further includes a pair of fixing arms 4113, two fixing arms 4113 are oppositely disposed on two sides of the main body portion 4111 of the elastic leg 411, and the fixing arms 4113 are located outside the elastic arm 412.
Each fixing arm 4113 of the present embodiment includes a first fixing section 4113a and a second fixing section 4113 b. The first fixing section 4113a is connected to a side of the main body 4111, and the second fixing section 4113b is connected to a free end of the first fixing section 4113 a. The outer contours of the first fixed section 4113a and the second fixed section 4113b are both L-shaped, so as to form a step-shaped structure at the junction between the two.
In the present embodiment, the antenna feed point 32 of the middle frame 30 is accommodated in the accommodating area of the main board 20, and when the elastic sheet 41 is fixed on the middle frame 30, the two fixing arms 4113 of the elastic sheet 41 correspond to the two extending portions 22 of the main board 20, respectively.
The extending portion 22 of this embodiment has a fixing hole 24, and the second fixing segment 4113b partially penetrates through the fixing hole 24, so that the step-shaped structure of the fixing arm 4113 abuts against the surface of the extending portion 22 of the motherboard 20, and the elastic leg 411 abuts against the motherboard 20, thereby electrically connecting the elastic piece 41 to the motherboard 20.
In the elastic sheet 41 of the present embodiment, when the elastic sheet 41 is fixed to the middle frame 30, the connecting arm 4112 at the end of the elastic leg 411 contacts with the main board body 21 of the main board 20, and the fixing arms 4113 at both sides of the elastic leg 411 contact with the extending portion 22 of the main board 20. The connecting arm 4112 of the spring leg 411 is matched with the fixing arm 4113, so that the spring leg 411 can be in abutting contact with the main board 20 at the end and the side, the stability of the electrical connection between the spring plate 41 and the main board 20 is ensured, and the stable signal transmission of the antenna feed point 32 on the main board 20 and the middle frame 30 is ensured.
In this embodiment, the fastening member 42 is a bolt, and the mounting hole 33 of the middle frame 30 is a screw hole adapted to the bolt. When the elastic sheet 41 is fixed on the middle frame 30 by the bolt, under the action of the elastic moving space of the elastic sheet 41, the elastic leg 411 can elastically abut against the nut of the bolt, and the elastic arm 412 can elastically abut against the middle frame 30, so that the antenna feed point 32 simultaneously bears the downward pressure of the bolt and the elastic pressure of the elastic arm 412, and even if the bolt is not locked, the stability of signal transmission between the main board 20 and the antenna feed point 32 can be ensured.
In addition, in the present embodiment, the material of the elastic piece 41 may be SUS301 stainless steel, SUS304 stainless steel, or titanium copper. The elastic sheet 41 made of the above materials can ensure the strength of the elastic sheet 41 itself, and also ensure the elastic movement space between the elastic leg 411 and the elastic arm 412, so that the elastic arm 412 can effectively and elastically abut against the antenna feed point 32 on the middle frame 30.
For the mobile terminal of the embodiment, the elastic sheet can be fixed on the middle frame through the fastener. The elastic moving space is arranged between the elastic arm and the elastic foot in the elastic sheet, even if the fastener is not locked, under the action of the elastic moving space, the elastic foot can still be elastically abutted to the fastener, the elastic arm can be elastically abutted to the middle frame, so that the antenna feed point can simultaneously bear the downward force of the fastener and the elastic pressure of the elastic arm, the antenna feed point on the middle frame is stably elastically abutted to the contact on the elastic arm, the stability of signal transmission between the main board and the antenna feed point is ensured, and the normal use of a user is ensured.
While the present invention has been described with reference to several exemplary embodiments, it is understood that the terminology used is intended to be in the nature of words of description and illustration, rather than of limitation. As the present invention may be embodied in several forms without departing from the spirit or essential characteristics thereof, it should also be understood that the above-described embodiments are not limited by any of the details of the foregoing description, but rather should be construed broadly within its spirit and scope as defined in the appended claims, and therefore all changes and modifications that fall within the meets and bounds of the claims, or equivalences of such meets and bounds are therefore intended to be embraced by the appended claims.
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010159966.5A CN111355030B (en) | 2020-03-10 | 2020-03-10 | mobile terminal |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010159966.5A CN111355030B (en) | 2020-03-10 | 2020-03-10 | mobile terminal |
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| Publication Number | Publication Date |
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| CN111355030A CN111355030A (en) | 2020-06-30 |
| CN111355030B true CN111355030B (en) | 2021-07-20 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112018505B (en) * | 2020-08-17 | 2023-06-30 | Oppo广东移动通信有限公司 | Antenna shrapnel, antenna components and electronics |
| CN114927862A (en) * | 2022-06-14 | 2022-08-19 | 苏州硕贝德通讯技术有限公司 | Be applied to punching press shell fragment high frequency antenna and intelligent wrist-watch of intelligent wrist-watch |
| CN116231287A (en) * | 2023-04-14 | 2023-06-06 | 维沃移动通信有限公司 | Spring plate structure, antenna assembly and electronic equipment |
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| CN111355030A (en) | 2020-06-30 |
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