KR200284287Y1 - Battery contactor for a mobile phone - Google Patents

Abstract

Disclosed is a battery connection terminal of a mobile phone which can simplify the structure and improve the assemblability and durability. The battery connection terminal of the mobile phone is provided with a plurality of contact housings in a casing formed of a plastic material, and slides a contact in contact with the terminals of the battery in the contact housing so as to be movable, and the lower part of the contact is made of a conductor. The return spring is supported to seal the lower end of the contact housing with a base cover member made of a conductor so that the contact elastically contacts the terminal of the battery coupled to the mobile phone body, and the base cover member coupled to the bottom of the casing is connected to the By soldering to the PCB, the battery power is passed through the contacts, return springs, and base cover members in turn to supply various electronic components on the PCB.

Description

Battery connection terminal for mobile phone {BATTERY CONTACTOR FOR A MOBILE PHONE}

The present invention relates to a connection terminal of a mobile phone battery, and more particularly to a connection terminal provided in the main body of the mobile phone and in contact with the connection terminal of the battery.

The battery connection terminal 140 of the conventional mobile phone, as shown in Figure 7, the fixing piece 142 is inserted and fixed to the interface connector body 141 installed inside the lower end of the mobile phone body, and the fixing piece 142 The elastic contact piece 143, which is integrally extended at one end of the front end and bent to form an acute angle with respect to the fixing piece, and is formed to be bent upwardly in the center portion thereof, passes through the interface connector body 141 to the outside of the mobile phone casing. Assembled to protrude.

The conventional battery connection terminal is formed by bending a strip of thin plate, so that the elastic contact piece 143 loses the restoring force on the fixing piece 142 when it receives a repeated load for a long time, thereby causing contact failure with the battery terminal. there was.

In addition, the conventional battery connection terminal has a problem that the assembly productivity is low because it is difficult to assemble to the interface connector body because the formed strip of thin plate is formed into a complicated shape.

In order to solve this problem, the battery connection terminal of the mobile phone filed by the applicant of the Utility Model Registration Application No. 2001-38505 (Dec. 13, 2001) by the present applicant has a simple structure and can be improved assemblability to significantly improve the productivity . However, while the battery connection terminal of such a mobile phone has structural simplicity and assembling improvement, since the casing is penetrated, flux is introduced into the connection terminal due to poor contact between the hole and the contact surface and the spring. There was a disadvantage in that the operation of the poor performance.

Accordingly, an object of the present invention is to devise a solution to solve the conventional problems as described above, and has a simple structure, improves assembly and improves productivity, as well as improves durability, thereby providing a long life battery connection terminal of a mobile phone. To provide.

Another object of the present invention is to provide a battery connection terminal of a mobile phone that can prevent the flow of flux into the connection terminal casing.

1 is a perspective view of a battery separated from the mobile phone body to show the battery connection terminal of the present invention.

2 is a perspective view of a battery connection terminal of the present invention.

3 is a partial cross-sectional perspective view of a portion of the battery connection terminal of FIG. 2;

4 is an exploded perspective view of the battery connection terminal of FIG. 2.

5 is a partial cross-sectional perspective view of a portion of the battery connection terminal of FIG. 4;

Figure 6a is a perspective view showing another embodiment of the base cover member in the battery connection terminal according to the present invention.

Figure 6b is a perspective view showing another embodiment of the base cover member in the battery connection terminal according to the present invention.

7 is an assembled cross-sectional view of a conventional battery connection terminal.

<Description of the symbols for the main parts of the drawings>

10: mobile phone body 20: battery

21: battery terminal 30: battery connection terminal

31 casing 33 cover coupling portion

35: coupling portion 37: housing

37a: hole 37b: first accommodating part

37c: 2nd accommodating part 40: contact

41: annular protrusion 43: main body

45: inlet 50: return spring

60, 160, 260: base cover member 61: flange

63: bottom portion 65: insertion portion

65a, 165a, 265a: first annular rib 65b, 165b, 265b: second annular rib

65c, 165c, 265c: third annular rib 65d, 165d, 265d: fourth annular rib

In order to achieve the above object, the battery connection terminal of the mobile phone of the present invention is provided with a casing, a plurality of contacts, a plurality of return springs and a plurality of base cover members formed with a plurality of housings so as to contact the battery terminals when the battery is coupled. A battery connection terminal of a cellular phone installed in a cellular phone main body, wherein the casing is formed in a sealed side wall; The contact has a cylindrical main body portion and an annular protrusion formed at the bottom of the body portion, the inside of which is formed hollow through the entire length of the contact, and the inside of the annular protrusion has an inclined inlet portion formed at a lower end thereof; The housing into which the contact is inserted is formed in the upper surface of the casing to guide the body portion of the contact portion, formed integrally connected to the lower end of the hole portion and having a diameter larger than the diameter of the hole portion to receive the annular protrusion of the contact A first accommodating part, and a second accommodating part integrally formed at a lower end of the first accommodating part, the second accommodating part having a diameter larger than a diameter of the first accommodating part and accommodating the base cover member; The base cover member is formed to have an insertion portion and a bottom portion which is forcibly fitted into the second accommodation portion of the housing; The return spring is installed throughout the hollow interior of the contact and the entire hollow interior of the base cover member.

Insertion portion of the base cover member according to an embodiment of the present invention, the first annular rib extending downward in a straight line; A second annular rib having a larger diameter than the first annular rib and integrally formed downwardly from the second annular rib; A third annular rib extending downward from the second annular rib to be integrally formed and tapered so as to decrease in diameter downwardly; And a fourth annular rib formed integrally extending in a straight line from the third annular rib.

Insertion portion of the base cover member according to another embodiment of the present invention, the first annular rib extending downward in a straight line; A second annular rib which extends downward from the first annular rib and is integrally formed and tapered to increase in diameter as it goes downward; A third annular rib having a smaller diameter than the second annular rib and integrally formed downwardly extending in a straight line from the second annular rib; And a fourth annular rib having a larger diameter than the third annular rib and extending downwardly from the third annular rib.

At this time, the bottom portion of the base cover member is characterized in that a pair of flange portions protruding to both sides.

Hereinafter, with reference to the accompanying drawings will be described in detail the battery connection terminal of the mobile phone according to the present invention.

As shown in FIG. 1, reference numeral 10 denotes a mobile phone body, and 20 denotes a battery detachably coupled to the mobile phone body. The battery connection terminal 30 according to the present invention is installed at the lower end of the battery coupling part of the mobile phone main body 10 and contacts the terminals 21 of the battery 20. The number of battery connection terminals 30 according to the present invention may vary depending on the type of mobile phone, but the following description will be made of three.

As shown in FIGS. 2 to 5, the battery connection terminal 30 according to the present invention has a casing 31, a contact 40, a return spring 50, and a base cover having a large number of contact housings 37. The member 60 is comprised.

In more detail, a plurality of contact housings 37 are formed inside the casing 31, and coupling recesses 35 are formed below the casing 31 so that the base cover member 60 may be mounted. To be able. In addition, a plurality of cover coupling portions 33 are formed on both sides of the upper end of the casing 31, and although not shown, a cover for preventing the inflow of foreign substances during storage and movement of the product may be mounted.

Moreover, the contact 40 is comprised from the cylindrical elongate main-body part 43 and the annular protrusion 41 formed in the lower part of the main-body part 43, The inside is formed hollow through the full length of a contact. In addition, an inlet portion 45 inclined toward the lower end is formed inside the annular protrusion 41 to facilitate insertion when the return spring 50 is mounted.

The contact housing 37 into which the contact 40 is inserted is formed on the upper surface of the casing 31 to guide the main body 43 of the contact 40, and the lower end of the hole 37a. A first accommodating part 37b formed integrally connected to the first accommodating part and having a diameter larger than the diameter of the hole part 37a and accommodating the annular protrusion 41 of the contact 40, and a lower end of the first accommodating part 37b. It is formed integrally with the second receiving portion (37c) having a diameter larger than the diameter of the first receiving portion (37b) and the base cover member 60 is accommodated.

In addition, the base cover member 60 is formed of a copper alloy material, and provided with an insertion portion 65 and a bottom portion 63 that are forcibly fitted into the second accommodation portion 37c of the housing 37. Is formed. A pair of flange portions 61 protrude from both sides of the bottom portion 63 of the base cover member.

Insertion portion 65 of the base cover member 60 is composed of four annular ribs in detail, the first annular rib (65a), the second annular rib in order from the top to the bottom portion 65 65b, the third annular rib 65c and the fourth annular rib 65d. More specifically, the first annular rib 65a extends downward in a straight line, and the second annular rib 65b has a larger diameter than the first annular rib 65a in a straight line downward therefrom. It extends and is formed integrally with the first annular rib (65a). The third annular rib 65c extends downward from the second annular rib 65b and is integrally formed, and is tapered to increase in diameter as it goes downward, and the fourth annular rib 65d is formed. It extends in a straight line downward from the third annular rib 65c and is integrally formed with the third annular rib 65c.

In this case, the return spring 50 is installed throughout the hollow interior of the contact 40 and the entire hollow interior of the base cover member 60.

In addition, as shown in Figure 6a and 6b, the base cover member may have a variety of shapes as necessary, the base cover member 160 from which the flange portion 61 is removed from the base cover member 60 can be used. 6a, a base cover member 260 having no flange portion and having annular ribs of different shapes may be used (FIG. 6b).

Looking at the shape of the annular ribs of the insert portion of the base cover member 260 shown in Figure 6b, the first annular rib 265a is formed extending in a straight line, the second annular rib 265b is the first annular rib It extends downward from 265a and is integrally formed, and tapered so that the diameter becomes larger as it goes downward. Further, the third annular rib 265c has a smaller diameter than the second annular rib 265b and extends in a straight line downward from the second annular rib 265b to be integrally formed with the second annular rib 265b, and the fourth annular rib 265d. ) Includes a fourth annular rib 265d having a larger diameter than the third annular rib 265c and extending in a straight line therefrom and integrally formed with the third annular rib 265c.

Since the contact 40, the return spring 50 and the base cover member 60 are made of a copper alloy material, the return spring 50 energizes the contact 40 and the base cover member 60, It also serves to push the contact 40 upwards.

When the battery 20 is coupled in this state, the battery terminal 21 pushes the contact 40 downward, and the contact 40 descends downward by the length of the insertion portion 65 of the base cover member 60. Done.

Assemble the battery connection terminal of the present invention configured as described above to the PCB board of the mobile phone as follows.

When a plurality of contacts 40 are inserted into each of the contact housings 37 formed in the casing 31, the main body portion 43 is inserted into the hole portion 37a and the annular protrusion 41 is the first accommodating portion 37b. Is inserted into Thereafter, the return spring 50 is inserted into the hollow of the contact 40, and the base cover member 60 is inserted into the second accommodating portion 37c through the coupling recess 35 to be press-fitted.

The casing 31 to which the base cover member 60 is coupled is bonded to the PCB substrate of the mobile phone by soldering. Thus, when the PCB board with the battery connection terminal of the present invention is installed in the mobile phone main body 10, the upper end of the contact 40 is projected to the outside through the terminal hole of the mobile phone main body 10 is exposed.

As mentioned above, the mobile phone battery connection terminal according to the present invention is composed of a spring contact method, so durability is improved, and in particular, since the casing is manufactured in a hermetic type and the base cover member is assembled in a press-fitting manner, the assembly is simple and easy to assemble. Not only can this be improved, but the flux can be prevented from entering the inside, thereby extending the life of the spring.

On the other hand, while the above has been described with reference to the preferred embodiments of the present invention, those of ordinary skill in the art various inventions within the scope without departing from the spirit and scope of the present invention described in the claims below It will be understood that modifications and changes can be made.

Claims (4)

In the battery connection terminal of the mobile phone provided with a casing having a plurality of housings, a plurality of contacts, a plurality of return springs and a plurality of base cover members installed in the mobile phone body to contact the battery terminals when the battery is coupled, The casing has side walls formed in a hermetic type; The contact 40 has a cylindrical elongated body portion 43 and an annular protrusion 41 formed on the lower portion of the body portion 43, the inside of which is formed hollow through the entire length of the contact and the annular protrusion 41 An inlet portion 45 inclined to the lower end is formed in the interior thereof; The housing 37 into which the contact 40 is inserted is formed at an upper surface of the casing 31 and is formed at a lower portion of the hole 37a for guiding the main body 43 of the contact 40 and at the lower end of the hole 37a. It is integrally formed and has a diameter larger than the diameter of the hole portion (37a) and the first accommodating portion (37b) for accommodating the annular protrusion 41 of the contact 40, and the lower end of the first accommodating portion (37b) A second accommodating portion 37c integrally formed and having a diameter larger than that of the first accommodating portion 37b and in which the base cover member 60 is accommodated; The base cover member (60) is formed with an insertion portion (65) and a bottom portion (63) forcibly fitted into the second accommodation portion (37c) of the housing (37); The return spring (50) is a battery connection terminal of the mobile phone, characterized in that installed throughout the hollow interior of the contact and the hollow interior of the base cover member (60). The method of claim 1, wherein the insertion portion 65 of the base cover member 60, First annular ribs 65a extending downward in a straight line; A second annular rib (65b) having a diameter larger than that of the first annular rib (65a) and extending in a straight line downward from the first annular rib (65a); A third annular rib (65c) tapered to extend downward from the second annular rib (65b) to be integrally formed and to increase in diameter as it goes downward; And And a fourth annular rib (65d) integrally extending downwardly from the third annular rib (65c) and integrally formed. The method of claim 1, wherein the insertion portion of the base cover member 260, A first annular rib 265a extending downward in a straight line; A second annular rib 265b extending downward from the first annular rib 265a so as to be integrally formed and tapered so as to decrease in diameter downward; A third annular rib 265c having a diameter smaller than that of the second annular rib 265b and extending in a straight line downward from the second annular rib 265b; And And a fourth annular rib (265d) having a diameter larger than that of the third annular rib (265c) and extending in a straight line therefrom and integrally formed therein. The battery connection terminal according to any one of claims 1 to 3, wherein a pair of flange portions protrude from both sides of the bottom portion of the base cover member.