CN206040991U - Casing means , connection structure and terminal equipment - Google Patents

Abstract

The utility model provides a casing means, including casing and connection structure. The casing includes the electric connection district. Connection structure includes pear -Shaped spring, first spring card and second spring card, second spring card has a plurality of bellyings. The pear -Shaped spring passes through first spring card is fixed in on the PCB board, the pear -Shaped spring passes through a plurality of bellyings of second spring card with the casing electricity is connected. The utility model provides a connection structure and terminal equipment. According to the utility model discloses a casing means, connection structure and terminal equipment can effectually avoid the wearing and tearing of casing internal surface.

Description

Casing device, attachment structure and terminal unit

Technical field

This utility model is related to terminal unit, more particularly to a kind of casing device, attachment structure and terminal unit.

Background technology

At present, metal shell due to quality sense it is high, it is durable the advantages of, increasingly get consumer reception, also more and more The terminal units such as mobile phone adopt metal shell.In order to reach the requirement of some functions or maintain the performance of terminal unit, generally Metal elastic can be set in the PCB (Printed circuit board, printed circuit board (PCB)) inside terminal unit between plate and housing Piece.

For example, the signal of the antenna in terminal unit is significantly weakened or asking of shielding to solve metal shell The first end of metal clips is fixed on the PCB inside terminal unit (Printed circuit board, printed circuit by topic Plate) on plate, and electrically connect with the antenna being installed on pcb board, the second end of metal clips is contradicted with the inner surface of metal shell Electrical contact.This connected mode by metal clips, when terminal unit occurs to shake due to external force, the second of metal clips End can occur relative movement with the inner surface of metal shell and produce friction.When friction often, metal shell inner surface Metal material (such as aluminum alloy materials) can wear and tear and cause metal material occur oxidation produce oxide, affect metal clips , is there is loose contact and affects the performance of terminal unit in the reliability contacted with metal shell inner surface, for example, affect day linear Energy.

Utility model content

In view of this, this utility model provides a kind of casing device, attachment structure and terminal unit, effectively can avoid The abrasion of shell inner surface.

This utility model provides a kind of casing device, including housing and attachment structure.Wherein, the attachment structure includes calabash Reed shape spring, the first spring card and second spring card, the second spring card have some lobe；The Pear-Shaped Spring is fixed on a pcb board by first spring card, the Pear-Shaped spring by the second spring card Some lobe electrically connect with the housing, wherein, the spring ring diameter of the Pear-Shaped spring from one end to precalculated position by It is decrescence little, and gradually increase from the precalculated position to the other end.

Wherein, the casing device also includes the function element being installed on pcb board, and the housing includes being electrically connected with Area, the Pear-Shaped spring be fixed on pcb board by first spring card after with the function being installed on pcb board Element is electrically connected, and some lobe by the second spring card are electrically connected with the electric connection area of the housing.

Wherein, the function element is antenna modules, the electric connection Qu Jian of the Pear-Shaped spring and the housing Loaded on the antenna modules electrical connection on the pcb board, the housing is electrically connected with into area as the spoke of antenna modules Beam.

Wherein, the Pear-Shaped spring includes first end and the second end, and the first end is fixed by the first spring card Electrically connect in the pcb board and with the function element, some lobe and shell of second end by second spring card The inner surface electrical connection in the electric connection area of body.

Wherein, the first end is a fat end of the Pear-Shaped spring, and second end is the Pear-Shaped bullet Another fat end of spring, the position for being located substantially at middle part of the spring ring diameter of the Pear-Shaped spring from first end to Pear-Shaped spring Put and be gradually reduced, and gradually increase to the second end from the position for being located substantially at middle part.

Wherein, first spring card includes the first base plate, and first base plate includes the first relative face and Two faces, first base plate the first face is just to pcb board and is fixed on pcb board, the first end of the Pear-Shaped spring is fixed On the second face of first base plate.

Wherein, the side of the first base plate of first spring card is extended with the kink of multiple inverted L-shapeds, inverted L-shaped Kink is collectively forming one first accepting groove with second face, and the first end of the Pear-Shaped spring is contained in described first and receives In tank, and the Pear-Shaped spring is fixed on first spring card, and then is fixed on the pcb board.

Wherein, three sides of first spring card towards the direction away from pcb board be extended with inverted L-shaped it is first curved Folding part, another side openings, the first end of Pear-Shaped spring slide into from the side of the opening and are defined in the first Spring Card In some first accepting grooves of piece.

Wherein, one first block, the first end of the Pear-Shaped spring is additionally provided with the outer rim of the side of the opening Side from opening is slipped into, until the inner side of the first block contradicts the outer rim of the first end of Pear-Shaped spring, the first gear Block is coordinated with the plurality of first accepting groove and Pear-Shaped spring is fixed on the first base plate of the first spring card.

Wherein, the second spring card includes the second base plate, and second base plate includes the 3rd relative face and On four sides, some lobe are arranged on the 3rd face and are made electrical contact with the electric connection area of housing, and the of the spring Two ends are fixed on the fourth face of second base plate.

Wherein, the side of the second base plate of the second spring card is extended with the second kink of multiple inverted L-shapeds, each Second kink of inverted L-shaped is collectively forming one second accepting groove with second face, and the second end of the Pear-Shaped spring houses In second accepting groove.

Wherein, three sides of the second spring card towards the direction away from housing be extended with inverted L-shaped it is second curved Folding part, another side openings, second end of Pear-Shaped spring T1 slide into from the side of the opening and are defined in second spring In some second accepting grooves of card.

Wherein, one second block, the second end of the Pear-Shaped spring is additionally provided with the outer rim of the side of the opening Side from opening is slipped into, until the inner side of the second block contradicts the outer rim at the second end of Pear-Shaped spring, the second gear Block is coordinated with the plurality of second accepting groove and Pear-Shaped spring is fixed on the second base plate of second spring card.

Wherein, some lobe are towards the raised some convex cylindricals in the direction of housing or convex semicircle from the 3rd face Ball.

Wherein, the material of the Pear-Shaped spring and the housing is metal material.

Wherein, the surface of the Pear-Shaped spring is coated with gold and/or nickel material.

Wherein, first spring card is fixed on pcb board by way of being welded to connect, the second spring card Contradict with housing by way of elasticity is contradicted.

Wherein, first spring card is integrally formed with pcb board, and/or the second spring card and housing one Molding.

Wherein, the antenna modules include RF transmit-receive circuit and match circuit；The match circuit is electrically connected to described Between RF transmit-receive circuit and the attachment structure, electrically connected with housing by the attachment structure.

This utility model also provides a kind of attachment structure, and for connecting the pcb board and housing of a terminal unit, its feature exists In the attachment structure includes Pear-Shaped spring, the first spring card and second spring card, and the second spring card has Some lobe, the Pear-Shaped spring are used for being fixed on the pcb board, the Pear-Shaped by first spring card Spring is fixedly connected with the second spring card, and for some lobe by the second spring card and the shell Body is electrically connected, and wherein, the spring ring diameter of the Pear-Shaped spring is gradually reduced from one end to precalculated position, and from the pre-determined bit Put the other end gradually to increase.

Wherein, the housing includes being electrically connected with area, is provided with function element, the Pear-Shaped spring on the pcb board For electrically connecting with the function element being installed on pcb board after being fixed on pcb board by first spring card, and Electrically connected with the electric connection area of the housing by some lobe of the second spring card.

Wherein, the function element is antenna modules, and the Pear-Shaped spring is used for solid by first spring card Electrically connect with the antenna modules being installed on pcb board after on the pcb board, and by some of the second spring card Lobe is electrically connected with the electric connection area of the housing, using the housing be electrically connected with area as antenna modules radiation Body.

Wherein, the Pear-Shaped spring includes first end and the second end, and the first end is fixed by the first spring card Electrically connect in the pcb board and with antenna modules, second end is electrically connected with the inner surface of housing by second spring card.

Wherein, first spring card of stating includes the first base plate, and first base plate includes the first relative face and Two faces, first face are fixed on the pcb board, and some sides in the second face of first spring card are towards away from PCB The direction of plate is extended with the first kink of inverted L-shaped, and each inverted L-shaped kink forms one first with second face and houses Groove, the first end of the Pear-Shaped spring are contained in some first accepting grooves, and the Pear-Shaped spring is fixed on On first spring card, and then it is fixed on the pcb board.

Wherein, three sides of the spring card are extended with the first bending of inverted L-shaped towards the direction away from pcb board Portion, another side openings, if the first end of Pear-Shaped spring is slided into from the side of the opening and is defined in spring card In dry first accepting groove.

Wherein, the second spring card includes the second base plate, and second base plate includes relative the 3rd face and the 4th Face, some lobe are arranged on the 3rd face and are electrically connected with the inner surface of housing, the second spring card Some sides of fourth face are extended with the second kink of inverted L-shaped, the second kink of each inverted L-shaped towards the direction away from housing One second accepting groove is formed with the fourth face；Second end of the Pear-Shaped spring is the spring coil that a circle is not closed, and is contained in In some second accepting grooves, and the second end of the Pear-Shaped spring is fixed on the second spring card, and then With the electric connection area inner surface electrical contact of the housing.

Wherein, three sides of the second spring card are extended with inverted L-shaped side wall towards the direction away from housing, another Individual side openings, the second end of Pear-Shaped spring are slided into from the side of the opening and are defined in some the of second spring card In two accepting grooves.

Wherein, the material of the Pear-Shaped spring and the housing is metal material.

Wherein, the surface of the Pear-Shaped spring is coated with gold and/or nickel material.

A kind of terminal unit is provided also, including pcb board and aforesaid casing device.

This utility model is connected between pcb board and housing by the Pear-Shaped spring, can effectively avoid shell The abrasion on surface in vivo.

Description of the drawings

In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment Or accompanying drawing to be used is briefly described needed for description of the prior art, it should be apparent that, drawings in the following description are only It is some embodiments of the present utility model, for those of ordinary skill in the art, in the premise for not paying creative work Under, can be with according to these other accompanying drawings of accompanying drawings acquisition.

Fig. 1 is the schematic diagram of the casing device in this utility model first embodiment.

Fig. 2 is the floor map of the housing in one embodiment of this utility model.

Fig. 3 is the decomposition of the attachment structure in one embodiment of this utility model and assembling schematic diagram.

Fig. 4 is the inversion schematic diagram of the second spring card in the attachment structure in one embodiment of this utility model.

Fig. 5 is the schematic diagram of the casing device in this utility model second embodiment.

Fig. 6 is the block diagram of the antenna modules in the casing device in one embodiment of this utility model.

Fig. 7 is the block diagram of the terminal unit in one embodiment of this utility model.

Specific embodiment

Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out Clearly and completely describe, it is clear that described embodiment is only this utility model a part of embodiment, rather than whole Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment for being obtained, belongs to the scope of this utility model protection.

It is the signal of the casing device 100 in first embodiment of the present utility model please with reference to Fig. 1 and Fig. 2, Fig. 1 Figure.The casing device 100 includes housing 20 and attachment structure 30.The attachment structure 30 include Pear-Shaped spring T1, One spring card K1 and second spring card K2, the second spring card have some lobe E1.The Pear-Shaped spring T1 is fixed on a PCB (Printed circuit board, printed circuit board (PCB)) plate 40 by the first spring card K1, The Pear-Shaped spring T1 is fixedly connected with the second spring card K2, and by some lobe of second spring card K2 E1 is electrically connected with the housing 201.Wherein, the spring ring diameter of the Pear-Shaped spring T1 gradually subtracts from one end to precalculated position It is little, and gradually increase from the precalculated position to the other end.

The housing 20 includes electric connection area 21 as shown in Figure 2, and the casing device 100 also includes being installed on PCB Function element 101 on plate 40, the Pear-Shaped spring 30 by the first spring card K1 be fixed on pcb board 40 after with The function element 101 being installed on pcb board 40 is electrically connected, and by some lobe E1 of the second spring card K2 Electrically connect with the electric connection area 21 of the housing 20.

In one embodiment, the function element 101 be antenna modules 10, the Pear-Shaped spring T1 pass through described first Spring card K1 is electrically connected with the antenna modules 10 being installed on pcb board 40 after being fixed on pcb board 40, and described second Spring card K2 is electrically connected with the electric connection area 21 of the housing 20, so as to set up electrically connecting for antenna modules 10 and housing 20 Connect the electrical connection in area 21, and the housing 20 is electrically connected with into area 21 as the radiant body of antenna modules 10.Wherein, the shell The area 21 that is electrically connected with of body 20 can be the subregion of the alternatively housing 20 of whole housing 20.The electric connection area 21 is housing During 20 subregion, the centre position of housing 20 is can be located at, two side positions, shape can be square, circular, triangle etc..

Wherein, the pcb board 40 can be used only for installing and carrying the antenna circuit board of antenna modules 10 for one.It is described Pcb board 40 is alternatively the mainboard of a terminal unit, in addition to being provided with the antenna modules 10, is also equipped with other Functional Units Part, such as processor, memorizer etc..In certain embodiments, the pcb board 40 can also be one of the antenna modules 10 Point.In further embodiments, with the other functions being installed on pcb board 40 after the spring T1 is fixed on pcb board 40 Element is electrically connected and is electrically connected with the electric connection area 21 of housing 20.For example, with the power circuit being installed on pcb board 40 etc. Ground connection, and using the electric connection area 21 of housing 20 as publicly, or with the memorizer, process being installed on pcb board 40 Device, display chip etc. connect, using the electric connection area 21 of housing 20 as Electro-static Driven Comb ground.Below with function element 101 as day Illustrate as a example by line module 10.

Specifically, in one embodiment, the Pear-Shaped spring T1 includes first end 31 and the second end 32, the first end 31 are fixed on the pcb board 40 by the first spring card K1 and are electrically connected with antenna modules 10, and second end 32 is by the Two spring card K2 are electrically connected with the inner surface in the electric connection area 21 of housing 20.In one embodiment, it is by second spring Card K2 contradicts the inner surface in the electric connection area 21 of housing 20 and electrically connects.Wherein, the first end 31 is the Pear-Shaped One fat end of spring T1, another the fat end of second end 32 for the Pear-Shaped spring T1.The Pear-Shaped bullet Spring T1 is spiral Pear-Shaped spring, the spring ring diameter of the Pear-Shaped spring T1 from first end 31 to Pear-Shaped spring T1 substantially Position positioned at middle part is gradually reduced, and gradually increases from the position for being located substantially at middle part to the second end 32, i.e. described pre- Positioning is set to the position for being located substantially at middle part.Wherein, the first end 31 can be identical with the diameter at the second end 32 Can be different.Specifically, Pear-Shaped spring T1 is made up of the elastic spring coil of multiple spiral extensions, the first end 31 of Pear-Shaped spring T1 And second end 32 include the tilting section of horizontal segment and the extension that is inclined upwardly from horizontal segment, and form the spring coil do not closed.

Wherein, the pcb board 40 is almost parallel with the inner surface of housing 20, and the telescopic direction of the Pear-Shaped spring T1 is big Cause is the orientation along first end 31 and the second end 32, i.e., perpendicular to the direction of 20 inner surface of the pcb board 40 or housing.

So as to producing power relative to pcb board 40 and be acted on when housing 20 is acted on by external force, due to Pear-Shaped spring T1 Scalable motion, it is also possible to distort towards other directions different from telescopic direction so that 20 relative pcb board 40 of housing occurs slightly When mobile, Pear-Shaped spring T1 can follow housing 20 with second spring card K2 together with move, and keep Pear-Shaped spring T1's Second end 32 and second spring card K2 are constant with the contact position of housing 20.Therefore, it is to avoid attachment structure 30 and housing 20 Generation rubs, and is not result in the loose contact that the abrasion of 20 inner surface of housing causes.

Fig. 3 is seen also, is decomposition and the assembling schematic diagram of attachment structure 30.The first spring card K1 includes bottom Plate D1, the base plate D1 include the first relative face F1 (as shown in Figure 1) and the second face F2.The first face F1 of the base plate D1 Just to pcb board 40 and it is fixed on pcb board 40.The first end 31 of the spring T1 is fixed on the second face F2 of the base plate D1 On.

Further, the side B1 of base plate D1 is extended with multiple kink C1, and the kink is to engage with spring T1. Specifically, the side B1 of the first spring card K1 is extended with kink C1 towards the direction away from pcb board 40.The bending Portion C1 can be inverted L-shaped.The kink C1 of each inverted L-shaped is collectively forming one first accepting groove S1 with the second face F2.Wherein, institute State and can be connected with each other between multiple kink C1, or interval setting as shown in Figure 3, i.e. multiple kinks The side wall of C1 is mutually linked or spaced.So as to, accordingly, the plurality of first accepting groove S1 can be it is separate and It is separating, or being interconnected.

The coil of the first end 31 of the Pear-Shaped spring T1 is contained in the accepting groove S1, and by the Pear-Shaped bullet Spring T1 is fixed on the first spring card K1, and then is fixed on the pcb board 40.

As shown in figure 3, three side B1 of the first spring card K1 be extended with towards the direction away from pcb board 40 it is curved Folding part C1, another side B1 are open, can slide into from the side B1 of the opening so as to the first end 31 of Pear-Shaped spring T1 and It is defined in some first accepting groove S1 of the first spring card K1.The first end 31 of the Pear-Shaped spring T1 passes through the first bullet After spring card K1 is fixed on pcb board 40, also make electrical contact with the antenna modules 10.

Wherein, one first block N1 is additionally provided with the outer rim of the side B1 of the opening, it is preferred that the first block N1 is used Elastomeric material is made, and during installation, the side B1 of the first end 31 of Pear-Shaped spring T1 from opening is slipped into, until the first block N1 Inner side contradict Pear-Shaped spring T1 first end 31 outer rim.During installation, the first block N1 can be compressed, and Pear-Shaped spring After T1 enters, the first block N1 upsprings, with the plurality of first accepting groove S1 coordinate and by the first end of Pear-Shaped spring T1 31 are fixed on the base plate D1 of the first spring card K1.Obviously, in certain embodiments, the first block N1 can not be elasticity Material, and the elasticity having on the spring ring diameter direction of Pear-Shaped spring T1 first ends 31 is utilized, along the side B1 at opening Slide into.When the inner side for sliding into the first block N1 contradicts the outer rim of first end 31, the spring coil of the first end 31 recovers shape, and The side wall of the first block N1 and multiple accepting groove S1 is contradicted, so as to the first block N1 is matched somebody with somebody with the plurality of first accepting groove S1 Close and Pear-Shaped spring T1 is fixed on the base plate D1 of the first spring card K1.The first end 31 of the Pear-Shaped spring T1 is led to Cross after the first spring card K1 is fixed on pcb board 40, also make electrical contact with the antenna modules 10.

See also Fig. 4, schematic diagrams of the Fig. 3 for the inversion visual angle of second spring card K2.The second spring card K2 includes that base plate D2, the base plate D2 include the 3rd relative face F3 and fourth face F4, and some lobe E1 are arranged at Electrically connect on three face F3 and with the inner surface in the electric connection area 21 of housing 20, described in second end 32 of the spring T1 is fixed on On fourth face F4.In one embodiment, some lobe E1 of second spring card K2 contradict the electric connection area 21 of housing 20 Inner surface and electrical connection, so as to some lobe E1 and housing of second end 32 by the second spring card K2 20 electric connection area 21 electrically connects.As shown in figure 4, the quantity of some lobe E1 is 3, it is clear that the lobe The quantity of E1 can be 2, any appropriate values such as four.

Likewise, the side B1 of base plate D2 is extended with multiple kink C2, the kink C2 to Pear-Shaped spring Second end 32 of T1 engages.Specifically, the side B2 of the second spring card K2 is extended with towards the direction away from housing 20 Kink C2.The kink C2 can be inverted L-shaped.Each inverted L-shaped kink C2 is collectively forming one second with the fourth face F4 Accepting groove S2.Wherein, can be connected with each other between the plurality of kink C2, or interval as shown in Figure 4 sets Put, i.e. the side wall of multiple kink C2 is mutually linked or spaced.So as to, accordingly, the plurality of second accepting groove S2 Can it is separate and separate, or be interconnected.

As shown in figure 4, three side B2 of the second spring card K2 be extended with towards the direction away from housing 20 it is curved Folding part C2, another side B2 are open, can slide into from the side B2 of the opening so as to second end 32 of Pear-Shaped spring T1 and It is defined in some second accepting groove S2 of second spring card K2, so as to be fixed on the second spring card K2.The calabash After second spring card K2 is fixed at second end 32 of reed shape spring T1, also by second spring card K2 and its lobe E1 with The electric connection area 21 of the housing 20 makes electrical contact with.Wherein, the second spring card K2 be metal material, the Pear-Shaped bullet Spring T1 is made electrical contact with the electric connection area 21 of the housing 20 by the spring card K2 and its lobe E1.

One second block N2 is additionally provided with the outer rim of the side B2 of the opening of the second spring card K2, it is preferred that Second block N2 is made with elastomeric material, and during installation, the side B2 of the second end 32 of second spring T1 from opening is slipped into, until The inner side of the second block N2 contradicts the outer rim at second end 32 of Pear-Shaped spring T1.During installation, the second block N2 can be compressed, and After Pear-Shaped spring T1 enters, the second block N2 upsprings, with the plurality of second accepting groove S2 coordinate and by Pear-Shaped spring Second end 32 of T1 is fixed on the base plate D2 of second spring card K2.Equally, in certain embodiments, the second block N2 Can not be elastomeric material, and utilize elasticity in the diametric(al) of the spring coil at second end 32 of Pear-Shaped spring T1, and along opening The side B2 at place is slided into.When the inner side for sliding into the second block N2 contradicts the outer rim of first end 31, the spring coil at second end 31 Recover shape, and contradict the side wall of the second block N2 and multiple second accepting groove S2, so as to the second block N2 is more with described Individual second accepting groove S2 coordinates and Pear-Shaped spring T1 is fixed on the base plate D2 of second spring card K2.

Wherein, some lobe E1 be from the 3rd face F3 towards the raised some convex cylindricals in the direction of housing 20 or Convex semi-round ball.

Wherein, the material of the Pear-Shaped spring T1 is metal material.In certain embodiments, the Pear-Shaped spring T1 Surface be also coated with the materials such as gold, nickel.

The housing 20 is metal shell, for example, housing of aluminum alloy material, and the housing 20 is back cover (after battery Lid), the second spring card K2 is contradicted with the inner surface of housing 20 and is electrically connected.

In one embodiment, the first spring card K1 is fixed on pcb board 40 by way of being welded to connect, i.e. First face of the first spring card K1 is fixed on pcb board 40 by way of being welded to connect.

Fig. 5 is referred to, is the schematic diagram of the casing device 200 in another embodiment.The structure of the casing device 200 with Casing device 100 shown in Fig. 1 is roughly the same, the area of the structure of the casing device 200 and the casing device 100 shown in Fig. 1 It is not：In another embodiment, the first spring card K1 can be integrally formed with pcb board 40, the second spring Card K2 and its including lobe E1 can also be integrally formed with housing 20.That is, described first spring card K1 and pcb board 40 are integrally formed, and/or second spring card K2 and its including lobe E1 be integrally formed with housing 20.

Fig. 6 is referred to, the antenna modules 10 include RF transmit-receive circuit 11 and match circuit 12.The match circuit 12 It is electrically connected between the RF transmit-receive circuit 11 and the attachment structure 30, is electrically connected with housing 20 by the attachment structure 30 Connect.

The RF transmit-receive circuit 11 is used for receiving or launching the aerial signal of special frequency channel.The match circuit 12 be Impedance matching is carried out between RF transmit-receive circuit 101 and housing 20 and balance is matched, so as to maintain the normal work of antenna modules 10 Make.Wherein, the aerial signal that RF transmit-receive circuit 11 is launched by the match circuit 12 is transmitted to housing by attachment structure 30 20, and radiate by the housing 20 as radiant body.

In the RF transmit-receive circuit 11 for GSM (global system for mobile communications, entirely Ball mobile communication) antenna rf transmission circuit, CDMA (Code Division MultipleAccess；CDMA) antenna penetrates Frequency transmission circuit, Bluetooth antenna RF transmit-receive circuit, WIFI antenna rf transmission circuits, NFC (Near filed Communication, near-field communication) one kind in antenna rf transmission circuit.

In certain embodiments, the antenna modules 10 may also include the pcb board 40, can be provided with the pcb board 40 Gap, the RF transmit-receive circuit 11 are coupled and formation slot antenna with the gap on pcb board 40 by match circuit 12, and are led to The electrical connection of foregoing 30/ Pear-Shaped spring T1 of attachment structure and housing 20 is crossed, and using housing 20 as slot antenna Radiant body.

Fig. 7 is referred to, is the block diagram of the terminal unit 1 in one embodiment of this utility model, the terminal unit 1 includes Aforesaid casing device 100 or casing device 200 and pcb board 40.Obviously, terminal unit 1 may also include processor, storage The other elements such as device, display screen, due to unrelated with this utility model improvement, therefore are not shown, and also here is not repeated.

As it was previously stated, the pcb board 40 can be used only for installing and carrying the antenna mould in casing device 100,200 for one The antenna circuit board of group 10.The pcb board 40 is alternatively the mainboard of the terminal unit 1, except being provided with the antenna modules Outside 10, other function element, such as processor, memorizer etc. are also equipped with.

Terminal unit 1 can be mobile phone, panel computer, personal digital assistant PDA, point-of-sale terminal POS or vehicle-mounted computer etc. Deng.

Above disclosed is only this utility model preferred embodiment, can not limit this utility model with this certainly Interest field, one of ordinary skill in the art will appreciate that realize all or part of flow process of above-described embodiment, and according to this reality The equivalent variations made with new claim, still fall within the scope covered by utility model.

Claims (30)

1. a kind of casing device, it is characterised in that the casing device includes：

Housing；And

Attachment structure；

Wherein, the attachment structure includes Pear-Shaped spring, the first spring card and second spring card, the second spring card Piece has some lobe；The Pear-Shaped spring is fixed on a pcb board by first spring card, the Pear-Shaped The spring some lobe by the second spring card are electrically connected with the housing, wherein, the Pear-Shaped spring Spring ring diameter is gradually reduced from one end to precalculated position, and is gradually increased from the precalculated position to the other end.

2. casing device as claimed in claim 1, it is characterised in that the casing device also includes being installed on pcb board Function element, the housing include being electrically connected with area, and the Pear-Shaped spring is fixed on pcb board by first spring card Electrically connect with the function element being installed on pcb board after upper, and some lobe by the second spring card and The electric connection area electrical connection of the housing.

3. casing device as claimed in claim 2, it is characterised in that the function element is antenna modules, the Pear-Shaped Spring is electrically connected with the antenna modules for being electrically connected with area and being installed on the pcb board of the housing, by the shell Radiant body of the electric connection area of body as antenna modules.

4. casing device as claimed in claim 2 or claim 3, it is characterised in that the Pear-Shaped spring includes first end and second End, the first end are fixed on the pcb board by the first spring card and are electrically connected with the function element, second end Electrically connected with the inner surface in the electric connection area of housing by some lobe of second spring card.

5. casing device as claimed in claim 4, it is characterised in that the first end is of the Pear-Shaped spring fat End, second end are another fat end of the Pear-Shaped spring, and the spring ring diameter of the Pear-Shaped spring is from first end The position positioned at middle part to Pear-Shaped spring is gradually reduced, and gradually increases from the position positioned at middle part to the second end.

6. casing device as claimed in claim 4, it is characterised in that first spring card includes the first base plate, described First base plate includes the first relative face and the second face, first base plate the first face is just to pcb board and is fixed on pcb board On, the first end of the Pear-Shaped spring is fixed on the second face of first base plate.

7. casing device as claimed in claim 6, it is characterised in that the side of the first base plate of first spring card The kink of multiple inverted L-shapeds is extended with, the kink of inverted L-shaped is collectively forming one first accepting groove, the calabash with second face The first end of reed shape spring is contained in first accepting groove, and the Pear-Shaped spring is fixed on first Spring Card On piece, and then it is fixed on the pcb board.

8. casing device as claimed in claim 7, it is characterised in that three sides of first spring card towards away from The direction of pcb board is extended with the first kink of inverted L-shaped, another side openings, and the first end of Pear-Shaped spring is from described The side of opening slides into and is defined in some first accepting grooves of the first spring card.

9. casing device as claimed in claim 8, it is characterised in that be additionally provided with one at the outer rim of the side of the opening One block, the side of the first end of the Pear-Shaped spring from opening are slipped into, until the inner side of the first block contradicts Pear-Shaped The outer rim of the first end of spring, first block are coordinated with the plurality of first accepting groove and Pear-Shaped spring are fixed on On first base plate of one spring card.

10. casing device as claimed in claim 4, it is characterised in that the second spring card includes the second base plate, described Second base plate includes the 3rd relative face and fourth face, some lobe be arranged on the 3rd face and with housing Area's electrical contact is electrically connected with, the second end of the spring is fixed on the fourth face of second base plate.

11. casing devices as claimed in claim 10, it is characterised in that the side of the second base plate of the second spring card The second kink of multiple inverted L-shapeds is extended with, the second kink and the fourth face of each inverted L-shaped are collectively forming one second receipts Tank, the second end of the Pear-Shaped spring are contained in second accepting groove.

12. casing devices as claimed in claim 11, it is characterised in that three sides of the second spring card towards away from The direction of housing is extended with the second kink of inverted L-shaped, another side openings, and second end of Pear-Shaped spring T1 is from described The side of opening slides into and is defined in some second accepting grooves of second spring card.

13. casing devices as claimed in claim 12, it is characterised in that be additionally provided with one at the outer rim of the side of the opening Second block, the side of the second end of the Pear-Shaped spring from opening are slipped into, until the inner side of the second block contradicts calabash The outer rim at the second end of shape spring, second block are coordinated with the plurality of second accepting groove and are fixed on Pear-Shaped spring On second base plate of second spring card.

14. casing devices as claimed in claim 2, it is characterised in that some lobe are towards shell from the 3rd face The raised some convex cylindricals in the direction of body or convex semi-round ball.

15. casing devices as claimed in claim 1, it is characterised in that the material of the Pear-Shaped spring and the housing is Metal material.

16. casing devices as claimed in claim 15, it is characterised in that the surface of the Pear-Shaped spring be coated with gold and/or Nickel material.

17. casing devices as described in any one of claim 1-3, it is characterised in that first spring card is by welding The mode of connection is fixed on pcb board, and the second spring card is contradicted with housing by way of elasticity is contradicted.

18. casing devices as described in any one of claim 1-3, it is characterised in that first spring card and pcb board one It is body formed, and/or the second spring card is integrally formed with housing.

19. casing devices as claimed in claim 3, it is characterised in that the antenna modules include RF transmit-receive circuit and With circuit；The match circuit is electrically connected between the RF transmit-receive circuit and the attachment structure, is tied by the connection Structure is electrically connected with housing.

A kind of 20. attachment structures, for connecting the pcb board and housing of a terminal unit, it is characterised in that the attachment structure bag Pear-Shaped spring, the first spring card and second spring card is included, the second spring card has some lobe, the calabash Reed shape spring is used for being fixed on the pcb board, the Pear-Shaped spring and second bullet by first spring card Spring card is fixedly connected, and for being electrically connected with the housing by some lobe of the second spring card, wherein, institute The spring ring diameter for stating Pear-Shaped spring is gradually reduced from one end to precalculated position, and is gradually increased from the precalculated position to the other end Greatly.

21. attachment structures as claimed in claim 20, it is characterised in that the housing includes being electrically connected with area, the pcb board On function element is installed, the Pear-Shaped spring be used for being fixed on pcb board by first spring card after with it is described The function element electrical connection being installed on pcb board, and some lobe by the second spring card and the housing It is electrically connected with area's electrical connection.

22. attachment structures as claimed in claim 21, it is characterised in that the function element be antenna modules, the calabash Shape spring is electric with the antenna modules being installed on pcb board after being used for being fixed on pcb board by first spring card Connect, and some lobe by the second spring card are electrically connected with the electric connection area of the housing, will be described Radiant body of the electric connection area of housing as antenna modules.

23. attachment structures as described in claim 21 or 22, it is characterised in that the Pear-Shaped spring includes first end and Two ends, the first end are fixed on the pcb board by the first spring card and are electrically connected with antenna modules, and second end leads to Cross second spring card to electrically connect with the inner surface of housing.

24. attachment structures as claimed in claim 23, it is characterised in that first spring card includes the first base plate, institute Stating the first base plate includes the first relative face and the second face, and first face is fixed on the pcb board, first spring Some sides in the second face of card are extended with the first kink of inverted L-shaped towards the direction away from pcb board, and each inverted L-shaped is curved Folding part forms one first accepting groove with second face, and the first end of the Pear-Shaped spring is contained in described some first and houses In groove, and the Pear-Shaped spring is fixed on first spring card, and then is fixed on the pcb board.

25. attachment structures as claimed in claim 24, it is characterised in that three sides of the spring card are towards away from PCB The direction of plate is extended with the first kink of inverted L-shaped, another side openings, and the first end of Pear-Shaped spring is from the opening Side slide into and be defined in some first accepting grooves of spring card.

26. attachment structures as claimed in claim 23, it is characterised in that the second spring card includes the second base plate, institute Stating the second base plate includes the 3rd relative face and fourth face, some lobe be arranged on the 3rd face and with housing Inner surface is electrically connected, and some sides of the fourth face of the second spring card are extended with inverted L-shaped towards the direction away from housing The second kink, the second kink of each inverted L-shaped and the fourth face form one second accepting groove；The Pear-Shaped spring Second end is the spring coil that a circle is not closed, and is contained in some second accepting grooves, and by the second of the Pear-Shaped spring End is fixed on the second spring card, and then the electric connection area inner surface electrical contact with the housing.

27. attachment structures as claimed in claim 26, it is characterised in that three sides of the second spring card towards away from The direction of housing is extended with inverted L-shaped side wall, another side openings, and the second end of Pear-Shaped spring is from the side of the opening Slide into and be defined in some second accepting grooves of second spring card.

28. attachment structures as claimed in claim 20, it is characterised in that the material of the Pear-Shaped spring and the housing is Metal material.

29. attachment structures as claimed in claim 28, it is characterised in that the surface of the Pear-Shaped spring be coated with gold and/or Nickel material.

30. a kind of terminal units, it is characterised in that including pcb board and the dress of the housing as described in any one of claim 1-19 Put.