CN101369694B

CN101369694B - Contact pin

Info

Publication number: CN101369694B
Application number: CN2008101259291A
Authority: CN
Inventors: 宫田致良; 明神智志; 野口刚
Original assignee: Mikaku Electronic Industry Co Ltd (jp) Tokyo Japan
Current assignee: Mikaku Electronic Industry Co Ltd (jp) Tokyo Japan; Mik Electronic Corp
Priority date: 2007-06-14
Filing date: 2008-06-11
Publication date: 2012-07-11
Anticipated expiration: 2028-06-11
Also published as: JP4365877B2; JP2009021206A; CN101369694A; TW200913395A; KR101310740B1; TWI434463B; KR20080110513A

Abstract

The invention relates to a contact pin which is not easy to generate bad contact and is suitable for a thin type of a portable telephone and other electronic appliances. The contact pin (1) is mounted on a battery of a battery storage part of the electronic appliance as a free mounting or dismounting mode and connected to a built-in circuit board of the electronic appliance. The contact pin (1) comprises a case (2) configured at the side direction of the battery storage part and a pin body (3) mounted on the case (2). The pin body (3) is made by bending a plate spring material into an M shape or a W shape. The pin body (3) comprises an elastic part (30) capable of bending and extending in the transverse direction relative to the bottom surface of the battery storage part; a joint part (31) contacted with an electrode part C1 of the battery arranged at one side of the elastic part (30); and a connection part (32) connected to a power line E of the built-in circuit board arranged on the other side of the elastic part (30).

Description

Contact plug

Technical field

The present invention relates to a kind of contact plug; This contact plug makes the battery pack and the power line conducting that is built in the substrate of this electronic equipment that is installed on the battery container portion of pocket telephone and other electronic equipment with mounting or dismounting mode freely, particularly relates to the contact plug of the slimming that can realize these electronic equipments.

Background technology

The pocket telephone of market sale; Its basic structure is following; Have the built-in circuit substrate that is installed on the battery pack of battery container portion and utilizes the electric power of this battery pack to carry out work with freely mode of mounting or dismounting, the electrode of battery pack is connected through contact plug with the power line of built-in circuit substrate.

Constantly carrying out the exploitation that turns to purpose with slim in the pocket telephone field.In recent years; Because slimmings such as LCD backlight unit and battery pack etc., for example, developing thickness has only the slim pocket telephone about 11mm; And offering market; But, because the slimming of pocket telephone can be further accelerated in the inputs of full color OLED display etc. from now on.In addition, can imagine easily with pocket telephone equally with the slim PAD that turns to purpose and develop or notebook personal computer and other electronic equipment too to the slimming accelerated development.In order to tackle the slimming of this electronic equipment, the task of top priority is to make the also slimming of described contact plug.

As the employed contact plug of electronic equipment, for example, open in patent documentation 1.Like its Fig. 1, shown in Figure 2, the contact plug of the document has S shape spring portion (9) and is arranged at the contact portion (7) of its front end.And, through push the contact (1a) of contact portion (7) front end from its front, make S shape spring portion (9) carry out strain with the mode of shrinking, contact portion (7) integral body is pressed in the housing (2).

But, the contact plug of patent documentation 1, its contact portion (7) forms the structure (with reference to Figure 10 of patent documentation 1) that erects to oblique upper, and in addition, S shape spring portion (9) is the structure that erects the short transverse fabric width in its contact portion (7).Therefore; Because the height of the contact plug of patent documentation 1 is limited by the extension width that erects height and S shape spring portion (9) of contact portion (7); Therefore; Can't obtain erecting height and the thin contact plug of extension width, therefore, can't tackle desired from now on slim pocket telephone and other electronic equipment than it.

In addition; The contact plug of patent documentation 1 is the structure that contact portion (7) slides in pilot hole (unmarked), therefore, because dust falls into this sliding part; Can make contact portion (7) be absorbed in pilot hole and can't outwards give prominence to, therefore have the problem that the loose contact of contact portion (7) takes place easily.

Patent documentation 1: (Japan) spy opens the 2004-22406 communique

Summary of the invention

The present invention develops for solving said problem, and its purpose is to provide a kind of contact plug, and it is difficult for producing loose contact, is applicable to the slimming of pocket telephone and other electronic equipment.

For realizing said purpose; The present invention provides a kind of contact plug; It makes the power line conducting of built-in circuit substrate of battery pack and this electronic equipment that is installed on the battery container portion of electronic equipment with freely mode of mounting or dismounting; It is characterized in that said contact plug comprises: the housing that is disposed at the side direction of said battery container portion; And the pin main body that is installed on said housing; Said pin main body comprises: elastic portion; It is that the leaf spring material is processed with the mode bending forming with plural at least zigzag part, and along the direction of the bottom surface of said battery container portion can the crooked mode that stretches disposing; Contact portion, it is arranged at the distolateral of said elastic portion, contacts with the electrode part of said battery pack; And connecting portion, it is distolateral that it is arranged at another of said elastic portion, is connected with the power line of said built-in circuit substrate; When from the electrode part of said battery pack during to the front end effect pressing force of said contact portion, this contact portion is pressed into the mode of drawing circular arc along transverse direction with respect to the bottom surface of said battery container portion, slides on the surface of said electrode part.For guaranteeing the spring recuperability of pin main body, need have two these zigzag parts at least, still, because the pin main body is installed on housing, the quantity of therefore setting is the quantity that can keep the spring recuperability and can be contained in degree in the housing.

Said contact portion also can bend to inverted U-shaped, and is provided with inside bend portion at its leading section.

The width of said contact portion also can be shaped as the width than the narrow width of said elastic portion.

Said leaf spring material can bending forming be M shape or W shape also.

Also can adopt following structure,, embed the binding post of the metallic plate system that is shaped when being arranged on this housing and carrying out ester moulding at the bottom surface side of said housing.

Also can adopt following structure; Bottom surface side at said housing is provided with the groove that is used to insert said pin main body; Said pin main body has installation portion; Said installation portion is used for being connected with the side of the other end of said elastic portion, and said pin main body is pressed into be installed on said housing through inserting from said groove, and said connecting portion is connected with said installation portion.

In said the present invention, said " electronic equipment " also can be pocket telephone.In addition, " electronic equipment " comprising: the portable slim electronic equipment of PDA or notebook personal computer etc.

Contact plug of the present invention, the concrete structure of its pin main body is employed in along the flexible structure that stretches ground configuration elastic portion of the direction of battery container portion bottom surface.Therefore; This pin main body is not stretched at longitudinal direction with respect to the bottom surface of battery container portion; At the width that the expanding-contracting action of longitudinal direction needs, can realize the slimming of pocket telephone and other electronic equipment so need not guarantee it at the longitudinal direction of battery container portion.

In addition; Contact plug of the present invention adopts following structure; When from the front end effect pressing force of the electrode part docking point portion of battery pack, this contact portion is pressed into the mode of drawing circular arc along transverse direction with respect to the bottom surface of battery container portion, and slides on the surface of electrode part.Therefore, because contact portion slides on the surface of electrode, so the dust between contact portion and the electrode and other foreign matter be discharged from, and is difficult for coming in contact bad, can obtain the excellent contact state all the time.

Description of drawings

Fig. 1 (a)-(b) is the outside drawing of pocket telephone of using the contact plug of an embodiment of the present invention, and Fig. 1 (a) is the back view of pocket telephone, and Fig. 1 (b) is the profile of its side;

Fig. 2 (a)-(c) is the profile of contact plug, and Fig. 2 (a) is the front elevation of contact plug, and Fig. 2 (b) schemes above it, and Fig. 2 (c) is its side view;

Fig. 3 (a)-(f) is the key diagram of housing, and Fig. 3 (a) is the front elevation of housing, and Fig. 3 (b) schemes above it, and Fig. 3 (c) is its side view, and Fig. 3 (d) is its ground plan, and Fig. 3 (e) is an A-A line profile, and Fig. 3 (f) is a B-B line profile;

Fig. 4 (a)-(d) is the key diagram of pin main body, and Fig. 4 (a) is the front elevation of pin main body, and Fig. 4 (b) is its right hand view, and Fig. 4 (c) is its left surface figure, and Fig. 4 (d) is its ground plan;

Fig. 5 (a)-(f) is the key diagram of lid, and Fig. 5 (a) is the front elevation of lid, and Fig. 5 (b) schemes above it, and Fig. 5 (c) is its side view, and Fig. 5 (d) schemes below it, and Fig. 5 (e) is an A-A line profile, and Fig. 5 (f) is a B-B line profile;

Fig. 6 (a)-(b) is the action specification figure of contact plug, and Fig. 6 (a) is the key diagram during docking point portion effect pressing force not, and Fig. 6 (b) is the key diagram of docking point portion when applying pressing force;

Fig. 7 (a)-(f) is the key diagram of the housing of second execution mode of the present invention, and Fig. 7 (a) is the front elevation of housing, and Fig. 7 (b) is top figure, and Fig. 7 (c) is a side view, and Fig. 7 (d) is a ground plan, and Fig. 7 (e) is an A-A line profile, and Fig. 7 (f) is a back view;

Fig. 8 (a)-(d) is the key diagram of the pin main body of second execution mode of the present invention, and Fig. 8 (a) is the front elevation of pin main body, and Fig. 8 (b) is a right hand view, and Fig. 8 (c) is left surface figure, and Fig. 8 (d) is a ground plan;

Fig. 9 (a)-(b) is the figure of installation method of the pin main body of explanation second execution mode of the present invention, and Fig. 9 (a) is the profile that initial condition is installed in expression, and Fig. 9 (b) is the profile of the state after expression is installed;

Figure 10 (a)-(c) is the action specification figure of the contact plug of second embodiment of the invention; Figure 10 (a) is the profile of the state when representing the effect pressing force of docking point portion not; Figure 10 (b) is the profile of the state of beginning docking point portion when applying pressing force, and Figure 10 (c) is the profile that further docking point portion applies the state of pressing force.

Description of symbols

1, contact plug

2, housing

3, pin main body

4, lid

5, installing hole

One end of 5A, installing hole

The other end of 5B, installing hole

5C, stage portion

5D, stage portion

5E, groove

5F, inwall

6, pawl

7, binding post

30, elastic portion

One end of 30A, elastic portion

The other end of 30B, elastic portion

The shoulder of 30C, elastic portion

30D, 30E, 30F, zigzag part

31, contact portion

The front end of 31A, contact portion

31B, inside bend portion

32, connecting portion

33, installation portion

33A, pawl

40, the base plate of lid

41, the side plate of lid

42, connecting hole

A, pocket telephone

B, battery container portion

The bottom surface of B1, battery container portion

C, battery pack

C1, electrode

D, built-in circuit substrate

E, power line

Embodiment

Below, with reference to accompanying drawing the best mode that is used for embodiment of the present invention is elaborated.

(first execution mode)

Fig. 1 (a)-(b) is the outside drawing of pocket telephone of using the contact plug of an embodiment of the present invention, and Fig. 2 (a)-(c) is the profile of contact plug, and Fig. 6 (a)-(b) is the action specification figure of contact plug.

Shown in Fig. 1 (a)-(b), this contact plug 1 is the device of power line E conducting of built-in circuit substrate D of battery pack C and pocket telephone A that is installed on the B of battery container portion of pocket telephone A with freely mode of mounting or dismounting as making.

Shown in Fig. 2 (a)-(c), this contact plug 1 comprises: be configured in the side direction of the B of battery container portion (with reference to Fig. 1 (a) and (b)) resinous housing 2, be installed on the metallic plate system of housing 2 pin main body 3, be installed on the resinous lid 4 of housing 2.

Fig. 3 is the key diagram of housing 2.Shown in Fig. 3 (b), (d), (f); Be provided with three installing holes 5 at housing 2; It all is 5A, 5B opening and the shape that is provided with stage portion 5c in one of which end 5A inboard at two ends that these installing holes 5 form, and can pin main body 3 be inserted from other end 5B side be set in the installing hole 5 (with reference to Fig. 6 (a)).In addition, outstanding formation is useful on the pawl 6 that lid 4 is installed in the two sides of housing 2.

And then, the binding post 7 of the metallic plate system that embedding is shaped when the bottom surface side of this housing 2 is provided with at this housing 2 ester mouldings.Binding post 7 is outstanding to foreign side from the two sides of housing 2, and is fixed in the built-in circuit substrate D of pocket telephone A through scolder welding etc., with this contact plug 1 positioning and fixing at certain position.

Said binding post 7 only has the function as the mechanism of this contact plug of positioning and fixing 1, owing to be and pin main body 3 various parts, therefore need be with not processing with pin main body 3 identical high-valency metals, and can process with the metallic plate of cheapness.

Fig. 4 (a)-(d) is the key diagram of pin main body 3.Pin main body 3 comprises elastic portion 30, contact portion 31 and the connecting portion 32 that is formed by a metallic plate punching press.Shown in Fig. 4 (a), said elastic portion 30 is the leaf spring material bending is configured as M shape with three

zigzag part

30D, 30E, 30F or W shape and processes.The elastic portion 30 flexible directions (direction shown in the arrow G among Fig. 6 (b)) that are configured in along the bottom surface B1 of the B of battery container portion with stretching.Said contact portion 31 is arranged at an end 30A side of said elastic portion 30, contacts with the electrode part C1 of battery pack C.Said connecting portion 32 is arranged at the other end 30B side of said elastic portion 30, is connected with the power line E of said built-in circuit substrate D.

Shown in Fig. 6 (a), when the elastic portion 30 of said pin main body 3 is inserted the installing hole 5 of housing 2, the shoulder 30C of its M shape or W shape and the stage portion 5C butt of this installing hole 5.Thus, this stage portion 5C becomes block piece, and pin main body 3 integral body can outwards not deviate from from an end 5A of installing hole 5.

Shown in Fig. 2 (a), the contact portion 31 of said pin main body 3 from housing 2 look sideways bend to inverted U-shaped, outstanding with the mode of exposing to the outside from an end 5A of installing hole 5, can contact with the electrode part C1 of battery pack C.

The connecting portion 32 of said pin main body 3 forms from the rectangular shape of lateral curvature of the other end 30B of elastic portion 30, and is welded on the power line E of built-in circuit substrate D by scolder.

Fig. 5 (a)-(f) is the key diagram of lid 4.Lid 4 possesses the side plate 41 of elastically deformable in the both sides of base plate 40, offer connecting hole 42 at this each side plate 41.Pawl 6 insertions through said housing 2 sides are fastened in these connecting holes 42, and this lid 4 just can be mounted on housing 2 through pushing once thus, and the other end 5B side of each installing hole 5 is stopped up by this lid 4.

In addition, the base plate 40 of this lid 4 elastic portion 30 that insertion is arranged on the pin main body 3 in the installing hole 5 is pressed into the stage portion 5C of this installing hole 5.Thus, under the state of elastic portion 30 in being located in installing hole 5 of pin main body 3, can be to the interior side direction contraction distortion of this M shape or W shape.

Below, according to Fig. 1 (a)-(b), Fig. 6 (a)-(b), the action example when this contact plug 1 with said formation is applied to pocket telephone is described.

Shown in Fig. 1 (a)-(b), this contact plug 1 is disposed at the side direction of the B of battery container portion.When the B of battery container portion accommodated battery pack C, B inserted battery pack C obliquely to battery container portion, the front end (with reference to the arrow P of Fig. 6 (b)) of the contact portion 31 of the electrode part C1 face contact pin 1 of this battery pack of usefulness C.

Thus; The elastic portion 30 of contact plug 1 is shunk with the crooked stretching (with reference to the arrow G of Fig. 6 (a)) along the bottom surface B1 of the B of battery container portion; According to its amount of contraction, the contact portion 31 of contact plug 1 is pressed into installing hole 5 with respect to the bottom surface B 1 of the B of battery container portion with the mode of drawing circular arc (with reference to the arrow F of Fig. 6 (a)) along transverse direction.Thus, obtain the contact condition of the electrode part C1 of contact portion 31 and battery pack C.

Circular arc through drawing said that kind be pressed into action, contact portion 31 slides on the surface of electrode part C1, therefore, can get rid of dust and other foreign matters between contact portion 31 and the electrode part C1, obtains the excellent contact state.

When the B of battery container portion unloads battery pack C; The pressing force that acts on the contact portion 31 of contact plug 1 disappears; Therefore, the elastic portion 30 of contact plug 1 stretches because of its spring recuperability, according to span; The contact portion 31 of contact plug ejects outside installing hole 5, returns to the initial condition before battery pack is accommodated.

As above illustrated, the contact plug 1 of this execution mode as the concrete structure of its pin main body 3, adopts that elastic portion 30 is flexible to be configured in along the structure of the direction of the bottom surface B1 of the B of battery container portion with stretching.Therefore; This pin main body 3 is not carried out the bending stretching, extension with respect to the bottom surface B 1 of the B of battery container portion at longitudinal direction; So, need not guarantee the width that the crooked stretching of its longitudinal direction needs, thereby help realizing the slimming of pocket telephone A at the longitudinal direction of battery container portion.The height of this contact plug 1 is the gauge that on the basis of the width dimensions of elastic portion 30, adds upper shell 2.

In addition; The contact plug 1 of this execution mode adopts following structure, that is, and and from the front end effect pressing force of the electrode part C1 of battery pack C docking point portion 31 time; This contact portion 31 is pressed into the mode of drawing circular arc along transverse direction with respect to the bottom surface B1 of the B of battery container portion, slides on the surface of electrode part C1.Therefore, because contact portion 31 slides on the surface of electrode part C1, so the dust between contact portion 31 and the electrode part C1 and other foreign matters be discharged from, and is difficult for coming in contact bad, can purchase and obtain the excellent contact state all the time.

In addition, in said execution mode, be example with pocket telephone A, the example that has used contact plug 1 of the present invention is illustrated, still, contact plug 1 of the present invention also goes for the slim electronic equipment outside the pocket telephone A.In addition, the pin main body 3 quantity be not limited to three, more than this or following can.

(second execution mode)

Below, second execution mode of contact plug of the present invention is described.

Fig. 7 (a)-(f) is the key diagram of housing, is and the corresponding figure of said Fig. 3, and Fig. 7 (a) is the front elevation of housing, and Fig. 7 (b) is top figure, and Fig. 7 (c) is a side view, and Fig. 7 (d) is a ground plan, and Fig. 7 (e) is an A-A line profile, and Fig. 7 (f) is a back view.Fig. 8 (a)-(d) is the key diagram of pin main body, is and the corresponding figure of said Fig. 4, and Fig. 8 (a) is the front elevation of pin main body, and Fig. 8 (b) is a right hand view, and Fig. 8 (c) is left surface figure, and Fig. 8 (d) is a ground plan.Fig. 9 (a)-(b) is the figure of the installation method of explanation pin main body, and Fig. 9 (a) is the profile that initial condition is installed in expression, and Fig. 9 (b) is the profile of the state after expression is installed.Figure 10 (a)-(c) is the action specification figure of contact plug; Be the figure corresponding with said Fig. 6; Figure 10 (a) representes the not state of docking point portion effect pressing force; Figure 10 (b) is the state of beginning docking point portion when applying pressing force, and Figure 10 (c) is the profile that further docking point portion applies the state of pressing force.In addition, Fig. 9 (a)-(b) comprises the B-B line profile of Fig. 7 (b), and Figure 10 (a)-(c) is illustrated in the state that the housing internal fixation has the pin main body, and this B-B line profile is omitted part expression.

In addition; Among explanation below and Fig. 7 (a)-(f)～Figure 10 (a)-(c); For having only the different and additional prosign of part that have a same function of shape to describe with the structure shown in said first execution mode; Only explanation and the said first execution mode different portions, detailed explanation is because with said same, so in this detailed.

The contact plug 1 of this execution mode has with the main difference point of the contact plug 1 of said first execution mode: the structure of pin main body 3 differs widely, does not have lid 4 and on housing 2, has groove 5E.

The housing 2 of this execution mode is such shown in Fig. 7 (a)-(f) to be constituted.Different with said first execution mode, there is not

binding post

7,8, replace this rear side to have

lug boss

8,8 at housing 2.At the contact plug 1 of the built-in circuit substrate D of pocket telephone A the position is set and is provided with the lug boss hole (not shown) corresponding with this

lug boss

8,8, through making this

lug boss

8,8 and lug boss hole chimeric, contact plug 1 is fixed on the built-in substrate circuit D.In addition, roughly same for internal structure with said first execution mode, still, shown in Fig. 9 (a), have the stage portion 5D that engages with the 31B of inside bend portion in an end 5A side of installing hole 5.On the other hand, in the other end 5B of installing hole 5 side, the

groove

5E, 5E that is used for 3 intercalations of pin main body are connected in housing 2 from the other end 5B of installing hole 5 to the direction of insertion X1 of pin main body 3 with the specific length setting.

The pin main body 3 of this execution mode to have the mode bending forming of two

zigzag part

30D, 30E, has elastic portion 30, contact portion 31, connecting portion 32 and installation portion 33 with plate spring component.In addition, this pin main body 3 usefulness metallic plate is through enforcement punch process, bending machining and integrally formed.

Elastic portion 30 is not M shape or W shape, but N shape or S shape.That is, shown in Fig. 8 (a), it comprises two

zigzag part

30D, 30E, compares with said first execution mode, few zigzag part.In addition, the other end 30B of elastic portion 30 is different with said first execution mode, and its length direction along pin main body 3 extends.

Under the state that the shape of contact portion 31 is seen from the front, roughly identical, but different with said first execution mode with said first execution mode, be provided with the 31B of inside bend portion that bending forming to the inside forms in the front end 31A of contact portion 31 side.The 31B of this inside bend portion under the operate condition of contact plug 1, as after work as block piece stating.On the other hand, different with said first execution mode under the state of seeing from the side, in this execution mode, before elastic portion 30 beginning deflections, the mode deflection (with reference to Figure 10 (a)) that contact portion 31 is forwards reversed with the end 30A from elastic portion.Therefore, the width L1 of contact portion 31 sets the width narrower than the width L2 of elastic portion 30 for.Through this formation, can keep the spring recuperability of pin main body 3, and; Compare with said first execution mode, can discharge other foreign matters such as dust between contact portion 31 and the electrode part C1 easily, and; Be difficult for producing loose contact, thereby can obtain the excellent contact state all the time.

Connecting portion 32 is same by power line E this point and said first execution mode that scolder is welded on the built-in circuit substrate D, still, shown in Fig. 8 (a)-(d), this connecting portion 32 through after the installation portion 33 stated be connected with elastic portion 30.

Installation portion 33 fronts are seen as roughly H shape, therein centre portion, be that two recesses of H shape are connected with connecting

portion

32,32 respectively, and, corresponding and be provided with

pawl

33A, 33A at groove 5E, the 5E of both sides and housing 2.Through constituting in this wise, make pin main body 3 be difficult for extracting from housing 2.State in detail.

Below, with reference to the installation method of Fig. 9 (a)-(b) explanation pin main body.

At first, shown in Fig. 9 (a), when will sell the other end 5B of the installing hole that main body 3 inserts housings 2 from contact portion 31 time, the pawl 33A of installation portion 33, the 33A other end 5B from installing hole in the groove 5E of

housing

2,5E moves to an end 5A.And then; When continuing when arrow X1 direction is inserted, the depth of

groove

5E, 5E has arrived the end, and

inwall

5F, 5F through housing 2

make pawl

33A, 33A be limited in the inboard respectively; From the outstanding state of an end 5A of installing hole, pin main body 3 is pressed into and is fixed in the housing 2 in contact portion 31.At this moment, the 31B of inside bend portion is engaged by stage portion 5D.Like this, be pressed in the housing 2,, also can prevent it and extract from housing 2 even pin main body 3 is born pressure from the outside through selling main body 3.

Below, with reference to Figure 10 (a)-(c) action of contact plug is described.

In this execution mode, same with said first execution mode in the following areas, promptly; Push the front end of contact portion 31 by the electrode C1 of battery pack C, thus, carry out under the state of the application of force in 3 deflections of pin main body and 3 couples of electrode part C1 of pin main body; B accommodates battery pack C in battery container portion, in addition, and when pulling down battery pack C; The pressing force that acts on contact portion 31 disappears, and sells main body 3 owing to its spring recuperability is restored, and; Elastic portion 30 adopts along the flexible structure that stretches the ground configuration of the direction of the bottom surface B1 of the B of battery container portion, therefore, difference only is described below.

At first, shown in Figure 10 (a), the contact plug 1 of this execution mode is under the initial actuating state, and contact portion 31 mode that (arrow Y1 direction) reversed with forwards is from an end 30A deflection (with reference to Figure 10 (a) dotted line part) of elastic portion.At this moment, the 31B of inside bend portion moves with the mode that the internal face in an end 5A side of the installing hole of housing 2 slides.And then when pin main body 3 was pressed, the shoulder 30C butt of 31B of inside bend portion and elastic portion can suppress the deflection from an end 30A of elastic portion.In this execution mode, like said explanation, because the width L1 of contact portion 31 sets the width narrower than the width L2 of elastic portion 30 for; And, be provided with the 31B of inside bend portion, therefore; Before elastic portion 30 beginning deflections, carry out the said deflection of contact portion 31 earlier.Like this, the dust or the foreign matter that are attached to electrode part C1 or contact portion 31 can be removed as soon as possible, and also operability can be improved.

In addition, when pressing pad main body 3, to the state shown in Figure 10 (c), an end 30A side of elastic portion is slided on the inwall 5F of housing 2, and moves to arrow X2 direction from the state exchange shown in Figure 10 (b), and contact portion rearward (arrow Y2 direction) move.When this moves, with the crooked mode integral body of

zigzag part

30D, 30E deflection appears with elastic portion 30 downwards.And, under the state of the electrode part C application of force of 31 couples of battery pack C of contact portion, in the B of battery container portion, accommodate battery pack C.

In sum, in this second execution mode, set the width L1 of contact portion 31 for the width narrower, be provided with the 31B of inside bend portion at the front end 31A of contact portion 31 than the width L2 of elastic portion 30.Thus, before elastic portion 30 beginning deflections, carry out the said deflection of contact portion 31 earlier, thus, can remove the dust or the foreign matter that are attached to electrode part C1 or contact portion 31 as soon as possible, and operability improves also.

Claims

1. contact plug, it makes the power line conducting of built-in circuit substrate of battery pack and this electronic equipment that is installed on the battery container portion of electronic equipment with mounting or dismounting mode freely, it is characterized in that,

Said contact plug comprises:

Be disposed at the housing of the side direction of said battery container portion; And

Be installed on the pin main body of said housing,

Said pin main body comprises:

Elastic portion, it is that the leaf spring material is processed with the mode bending forming with plural at least zigzag part, and along the direction of the bottom surface of said battery container portion can the crooked mode that stretches disposing;

Contact portion, it is arranged at the distolateral of said elastic portion, contacts with the electrode part of said battery pack; And

Connecting portion, it is distolateral that it is arranged at another of said elastic portion, be connected with the power line of said built-in circuit substrate,

When from the electrode part of said battery pack during to the front end effect pressing force of said contact portion, this contact portion is pressed into the mode of drawing circular arc along transverse direction with respect to the bottom surface of said battery container portion, slides on the surface of said electrode part.

2. contact plug as claimed in claim 1 is characterized in that,

Said contact portion bends to inverted U-shaped, is provided with inside bend portion at its leading section.

3. contact plug as claimed in claim 1 is characterized in that,

The width of said contact portion is configured as the width than the narrow width of said elastic portion.

4. contact plug as claimed in claim 1 is characterized in that,

Said leaf spring material bending is configured as M shape or W shape.

5. contact plug as claimed in claim 1 is characterized in that,

Bottom surface side at said housing is provided with the binding post that when this housing carries out ester moulding, is embedded into the metallic plate system of shaping.

6. contact plug as claimed in claim 1 is characterized in that,

Bottom surface side at said housing is provided with the groove that is used to insert said pin main body,

Said pin main body has installation portion, and said installation portion is used for being connected with the side of the other end of said elastic portion, and said pin main body is pressed into be installed on said housing through inserting from said groove,

Said connecting portion is connected with said installation portion.

7. contact plug as claimed in claim 1 is characterized in that,

Said electronic equipment is a pocket telephone.