CN209963280U

CN209963280U - Grounding elastic sheet assembly and electronic device

Info

Publication number: CN209963280U
Application number: CN201920726802.9U
Authority: CN
Inventors: 周意保
Original assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Current assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority date: 2019-05-20
Filing date: 2019-05-20
Publication date: 2020-01-17
Anticipated expiration: 2029-05-20

Abstract

The application discloses ground connection shell fragment subassembly includes: the first conductor and the second conductor are arranged at intervals; the conductive elastic sheet is arranged between the first conductor and the second conductor and comprises an elastic sheet main body, at least one first elastic contact pin and at least one second elastic contact pin, the first elastic contact pin is connected with the elastic sheet main body and bends and extends towards the first conductor, and the second elastic contact pin is connected with the elastic sheet main body and bends and extends towards the second conductor and elastically contacts with the second conductor; the support is arranged between the conductive elastic sheet and the first conductor, a first avoidance notch corresponding to the first elastic contact foot is arranged on the support, and the first elastic contact foot penetrates through the first avoidance notch and is in elastic contact with the first conductor. The application also discloses an electronic device. By the above manner, reliable grounding and electrostatic transmission between the first conductor and the second conductor can be realized.

Description

Grounding elastic sheet assembly and electronic device

Technical Field

The utility model relates to an electronic equipment technical field especially relates to a ground connection shell fragment subassembly and electron device.

Background

At present, electronic devices such as smart phones are becoming necessities of life of people.

Mobile devices, especially handheld electronic devices (such as smart phones), have strict requirements for static electricity prevention to protect internal electronic devices from static electricity, which requires stable and reliable grounding between metal parts in the handheld electronic devices to meet the requirements for static electricity prevention.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application adopts a technical scheme that: there is provided a grounding spring assembly, comprising: the first conductor and the second conductor are arranged at intervals; the conductive elastic sheet is arranged between the first conductor and the second conductor and comprises an elastic sheet main body, at least one first elastic contact pin and at least one second elastic contact pin, the first elastic contact pin is connected with the elastic sheet main body and bends and extends towards the first conductor, and the second elastic contact pin is connected with the elastic sheet main body and bends and extends towards the second conductor and elastically contacts with the second conductor; the support is arranged between the conductive elastic sheet and the first conductor, a first avoidance notch corresponding to the first elastic contact foot is arranged on the support, and the first elastic contact foot penetrates through the first avoidance notch and is in elastic contact with the first conductor.

Another technical scheme adopted by the embodiment of the application is as follows: an electronic device is provided, which comprises a device main body and the grounding elastic sheet component.

The grounding elastic sheet assembly comprises a first conductor and a second conductor, and the first conductor and the second conductor are arranged at intervals; the conductive elastic sheet is arranged between the first conductor and the second conductor and comprises an elastic sheet main body, at least one first elastic contact pin and at least one second elastic contact pin, the first elastic contact pin is connected with the elastic sheet main body and bends and extends towards the first conductor, and the second elastic contact pin is connected with the elastic sheet main body and bends and extends towards the second conductor and elastically contacts with the second conductor; the support sets up between electrically conductive shell fragment and first electric conductor, and is provided with the first breach of dodging that corresponds with first elastic contact foot on the support, and first elastic contact foot passes and with first electric conductor elastic contact from the first breach of dodging, can realize reliable ground connection and electrostatic transmission between first electric conductor and the second electric conductor.

Drawings

Fig. 1 is a schematic view of a split structure of a first view angle of a grounding spring assembly according to an embodiment of the present disclosure;

fig. 2 is a schematic diagram of a split structure of a second view angle of the grounding spring assembly according to the embodiment of the present application;

fig. 3 is a schematic perspective view of a grounding spring assembly according to an embodiment of the present application.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the specific embodiments described herein are merely illustrative of the application and are not limiting of the application. It should be further noted that, for the convenience of description, only some of the structures related to the present application are shown in the drawings, not all of the structures. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.

Referring to fig. 1 to 3, fig. 1 is a schematic view of a split structure of a first view angle of a grounding elastic sheet assembly according to an embodiment of the present application. Fig. 2 is a schematic view of a second view angle of the grounding spring assembly according to the embodiment of the present application in a split structure. Fig. 3 is a schematic perspective view of a grounding spring assembly according to an embodiment of the present application.

In this embodiment, the grounding elastic piece assembly may include: the device comprises a first conductor 11, a second conductor 12, a conductive elastic sheet 13, a bracket 14 and a threaded fastener 15.

The first conductive body 11 is a conductive material, such as a metal material, and the first conductive body 11 can be a battery cover decorative ring of the electronic device.

The second conductive body 12 is also a conductive material, such as a metal material, and the second conductive body can be a bezel of the electronic device.

The electronic device can be a smart phone, a tablet computer, a wearable smart device, and the like.

The conductive elastic sheet 13 is used for being in elastic contact with the first conductor 11 and the second conductor 12 respectively, so that electrostatic transmission between the first conductor 11 and the second conductor 12 is realized, and grounding of the first conductor 11 is realized.

It should be understood that in other embodiments, the first conductor 11 and the second conductor 12 may be made of other conductive materials, the first conductor 11 may be other parts of the electronic device, not limited to the battery cover bezel of the electronic device, and the second conductor 12 may be other parts of the electronic device, not limited to the middle frame of the electronic device.

The first conductor 11 and the second conductor 12 are disposed at an interval. The opposing surfaces of the first conductor 11 and the second conductor 12 may be parallel to each other.

The conductive elastic piece 13 is arranged between the first conductor 11 and the second conductor 12.

In the present embodiment, the conductive elastic piece 13 includes an elastic piece main body 131, a first elastic contact pin 132 and two second elastic contact pins 133. The first elastic contact pin 132 is connected to the elastic sheet main body 131 and extends toward the first conductor 11. The second elastic contact pin 133 is connected to the elastic sheet main body 131, bends and extends toward the second conductor 12, and elastically contacts the second conductor 12. The first elastic contact pin 132 and the second elastic contact pin 133 are integrally formed with the elastic sheet main body 131.

The material of the conductive elastic sheet 13 may be metal.

It should be understood that, in other embodiments, the number of the first elastic contact pins 132 and the second elastic contact pins 133 may be other numbers, which is not limited in the embodiments of the present application. For example, the number of the first and second

elastic contact pins

132 and 133 may be two each.

The support 14 is disposed between the conductive elastic sheet 13 and the first conductor 11, and the support 14 is provided with a first avoidance gap Q1 corresponding to the first elastic contact pin 132, and the first elastic contact pin 132 passes through the first avoidance gap Q1 and is in elastic contact with the first conductor 11.

Through setting up support 14 for ground connection shell fragment subassembly can be applicable to the great situation of interval between first electric conductor 11 and the second electric conductor 12, and makes first elastic contact pin 132 can pass and with first electric conductor 11 elastic contact from first dodge breach Q1 through set up first dodge breach Q1 on support 14, makes first elastic contact pin 132 be unlikely to be pressed flat, thereby makes the elasticity of the elastic contact pin of electrically conductive shell fragment 13 be unlikely to disappear, the reuse of electrically conductive shell fragment 13 of being convenient for.

Optionally, the cradle 14 includes a cradle body portion 141 and a raised portion 142 that is raised toward the second electrical conductor 12. The spring main body 131 is sandwiched between the protrusion 142 and the second conductor 12. The projection 142 is integrally formed with the second conductor 12.

Specifically, the holder 14 may be fixedly provided with the second conductor 12 so as to sandwich the spring main body 131 between the protrusion 142 and the second conductor 12. In this way, the arrangement of the protruding portion can make the grounding elastic sheet assembly more suitable for the situation that the distance between the first conductor 11 and the second conductor 12 is larger, and can ensure the stability of the bracket 14.

Optionally, the bracket 14 and the second electrical conductor 12 are fixedly connected by a threaded fastener 15. For example, the threaded fastener 15 is provided with external threads. The bracket 14 is provided with a first screw hole L1. The second conductor 12 is provided with a second screw hole L2. The resilient piece main body 131 is provided with a second escape notch Q2. The threaded fastener 15 is threadably engaged with the first threaded hole L1 and further threadably engaged with the second threaded hole L2 through the second relief notch Q2 to secure the bracket 14 to the second electrical conductor 12. And the spring main body 131 is held between the holder 14 and the second conductor 12.

In other embodiments, a through hole with a smooth inner wall may be provided on the bracket 14, instead of providing the first threaded hole L1, and the threaded fastener 15 passes through the through hole on the bracket 14 and the second relief notch Q2 on the dome body 131 and is in threaded engagement with the second threaded hole L2 to fix the bracket 14 to the second conductor 12.

Alternatively, the first threaded hole or through hole provided in the bracket 14 may be a stepped hole, which includes a first hole section near the first conductor 11 and a second hole section near the second conductor 12. The first bore section has an inner diameter greater than an inner diameter of the second bore section. The threaded fastener 15 may include a tool action portion 151 and a stud 152 having an outer diameter smaller than the tool action portion 151, the tool action portion 151 disposed in a first bore section and the stud 152 disposed in a second bore section. External threads are provided on the stud 152.

Optionally, the conductive dome 13 further includes at least one positioning portion 134. The positioning portion 134 is connected to the spring main body 131. The positioning portion 134 is provided with a positioning hole k. The bracket 14 further includes a positioning boss 143 disposed corresponding to the positioning hole k, the positioning boss 143 protrudes toward the second conductor 12, and the positioning boss 143 is disposed through the positioning hole k. The positioning portion 134 is integrally formed with the leaf spring main body 131.

Through setting up location convex column 143 can be before adopting threaded fastener 15 to fix support 14 and second electric conductor 12, wear to locate corresponding locating hole k earlier with location convex column 143, the accurate location of being convenient for to realize support 14 and the preliminary fixed of electrically conductive shell fragment 13.

The conductive elastic sheet 13 may further include a connecting portion 135 disposed corresponding to the positioning portion 134, the connecting portion 135 is connected to the elastic sheet main body 131 in a bending manner, so as to form an accommodating space between the connecting portion 135 and the elastic sheet main body 131, the positioning portion 134 is connected to the connecting portion 135 in a bending manner, the positioning portion 134 is folded toward the outside of the accommodating space with respect to the accommodating space, and the protruding portion 142 is accommodated in the accommodating space. The positioning portion 134, the connecting portion 135, and the spring main body 131 are integrally formed.

The number of the positioning portions 134 is two and is the first positioning portion 134(a) and the second positioning portion 134(b), and the number of the corresponding connecting portions 135 is also two and is the first connecting portion 135(a) and the second connecting portion 135(b), respectively. The first connection portion 135(a) corresponds to the first positioning portion 134(a), and the second connection portion 135(b) corresponds to the first positioning portion 134 (b).

The first connecting portion 135(a) and the second connecting portion 135(b) are respectively located on two opposite sides of the spring main body 131 and enclose the accommodating space with the spring main body 131.

Alternatively, the spacing between the first connection portion 135(a) and the second connection portion 135(b) is equal to the width of the protrusion 142.

Alternatively, the protrusion 142 may be connected to the accommodating space in a snap-fit manner. For example, a first engaging groove is formed on a side wall of the protruding portion 142 close to the first connecting portion 135(a), and a first engaging protrusion is formed on the first connecting portion 135 (a); the side wall of the protruding portion 142 close to the second connecting portion 135(b) is provided with a second engaging groove, and the second connecting portion 135(b) is provided with a second engaging protrusion. The first clamping protrusion is clamped in the first clamping groove, and the second clamping protrusion is clamped in the second clamping groove.

It should be understood that the positions of the first engaging protrusion and the first engaging groove may be changed, and similarly, the positions of the second engaging protrusion and the second engaging groove may be changed, that is, the engaging groove is provided on the connecting portion 135 and the engaging protrusion is provided on the protruding portion 142.

Through the mode, the stability of the grounding elastic sheet assembly can be further improved, and poor contact of the elastic contact pins caused by loosening of the threaded fastener 15 is avoided.

Alternatively, the positioning hole k1 on the first positioning portion 135(a) is a circular hole, and the positioning hole k2 on the second positioning portion 135(b) is a kidney-shaped hole. The fine adjustment of the relative position relationship between the conductive elastic sheet 13 and the bracket 14 when the positioning convex column 143 is positioned in the positioning hole k can be facilitated through the above manner.

Alternatively, the two second elastic contact pins 133 are located on different sides of the threaded fastener 15, respectively. For example, two second elastic contact pins 133 are respectively located at two opposite sides of the threaded fastener 15, as shown in the figure, specifically, for example, two second elastic contact pins 133 are respectively located at the left and right sides of the threaded fastener 15. Two second elastic contact pins 133 are arranged on different sides of the threaded fastener 15 in the above manner, and when the threaded fastener 15 is loosened and one of the second elastic contact pins 133 is in poor contact with the second conductor, the other second elastic contact pin 133 can be in normal elastic contact.

The electronic device of the embodiment of the application comprises a device main body and the grounding elastic piece assembly described in any one of the embodiments. The electronic device may be a smartphone. The device body may include a display screen, a front case, a circuit board, a battery, and the like. The first conductor 11 may be a battery cover decorative ring of the electronic device, and the second conductor 12 may be a middle frame of the electronic device. The middle frame, the front shell and the battery cover jointly enclose an accommodating space, the battery, the circuit board and the like are located in the accommodating space, and the battery cover decorating ring is arranged at a gap between the middle frame and the battery cover.

In this embodiment, the electronic device may be a communication terminal, as used herein a "communication terminal" (or simply "terminal") includes, but is not limited to, a device configured to receive/transmit communication signals via a wireline connection, such as via a Public Switched Telephone Network (PSTN), a Digital Subscriber Line (DSL), a digital cable, a direct cable connection, and/or another data connection/network, and/or via a wireless interface (e.g., for a cellular network, a Wireless Local Area Network (WLAN), a digital television network such as a DVB-H network, a satellite network, an AM-FM broadcast transmitter, and/or another communication terminal). A communication terminal arranged to communicate over a wireless interface may be referred to as a "wireless communication terminal", "wireless terminal" or "mobile terminal". Examples of mobile terminals include, but are not limited to, satellite or cellular telephones; a Personal Communications System (PCS) terminal that may combine a cellular radiotelephone with data processing, facsimile and data communications capabilities; PDAs that may include radiotelephones, pagers, internet/intranet access, Web browsers, notepads, calendars, and/or Global Positioning System (GPS) receivers; and conventional laptop and/or palmtop receivers or other electronic devices that include a radiotelephone transceiver. The mobile phone is a mobile terminal equipped with a cellular communication module.

The above description is only for the purpose of illustrating embodiments of the present application and is not intended to limit the scope of the present application, and all modifications of equivalent structures and equivalent processes, which are made by the contents of the specification and the drawings of the present application or are directly or indirectly applied to other related technical fields, are also included in the scope of the present application.

Claims

1. A grounding spring assembly, comprising:

the first conductor and the second conductor are arranged at intervals;

the conductive elastic sheet is arranged between the first conductor and the second conductor and comprises an elastic sheet main body, at least one first elastic contact pin and at least one second elastic contact pin, the first elastic contact pin is connected with the elastic sheet main body and bends and extends towards the first conductor, and the second elastic contact pin is connected with the elastic sheet main body and bends and extends towards the second conductor and elastically contacts with the second conductor;

the support is arranged between the conductive elastic sheet and the first conductor, a first avoidance notch corresponding to the first elastic contact pin is arranged on the support, and the first elastic contact pin penetrates through the first avoidance notch and is in elastic contact with the first conductor.

2. The grounding spring assembly of claim 1, wherein the bracket includes a bracket body portion and a protrusion protruding toward the second electrical conductor, the spring body being sandwiched between the protrusion and the second electrical conductor.

3. The grounding spring assembly according to claim 2, further comprising a threaded fastener, wherein the threaded fastener is provided with external threads, the bracket is provided with a first threaded hole, the second conductor is provided with a second threaded hole, the spring body is provided with a second avoiding notch, and the threaded fastener is in threaded engagement with the first threaded hole and penetrates through the second avoiding notch to be further in threaded engagement with the second threaded hole, so as to fix the bracket and the second conductor.

4. The grounding spring piece assembly according to claim 2, wherein the conductive spring piece further includes at least one positioning portion, the positioning portion is connected to the spring piece main body, the positioning portion is provided with a positioning hole, the bracket further includes a positioning boss disposed corresponding to the positioning hole, the positioning boss protrudes toward the second conductive body, and the positioning boss is disposed through the positioning hole.

5. The grounding shrapnel assembly of claim 4, wherein the conductive shrapnel further comprises a connecting part corresponding to the positioning part, the connecting part is connected with the shrapnel main body in a bending way so as to form an accommodating space between the connecting part and the shrapnel main body, the positioning part is connected with the connecting part in a bending way, the positioning part is turned over towards the outside of the accommodating space relative to the accommodating space, and the bulge part is accommodated in the accommodating space.

6. The grounding spring piece assembly according to claim 5, wherein the number of the positioning portions is two and is respectively a first positioning portion and a second positioning portion, the number of the corresponding connecting portions is also two and is respectively a first connecting portion and a second connecting portion, and the first connecting portion and the second connecting portion are respectively located on two opposite sides of the spring piece main body and jointly enclose the accommodating space with the spring piece main body.

7. The grounding spring piece assembly as claimed in claim 6, wherein the positioning hole of the first positioning portion is a circular hole, and the positioning hole of the second positioning portion is a kidney-shaped hole.

8. The grounding spring assembly of claim 6, wherein a spacing between the first connection portion and the second connection portion is equal to a width of the protrusion.

9. The grounding spring assembly of claim 3, wherein the number of the second elastic contact pins is two and the two second elastic contact pins are respectively located on different sides of the threaded fastener.

10. An electronic device, comprising a device body and the grounding spring assembly of any one of claims 1-9.

11. The electronic device of claim 10, wherein the first electrical conductor is a battery cover bezel of the electronic device and the second electrical conductor is a bezel of the electronic device.