GB2392322A - Pin type terminal for printed circuit board - Google Patents
Pin type terminal for printed circuit board Download PDFInfo
- Publication number
- GB2392322A GB2392322A GB0315338A GB0315338A GB2392322A GB 2392322 A GB2392322 A GB 2392322A GB 0315338 A GB0315338 A GB 0315338A GB 0315338 A GB0315338 A GB 0315338A GB 2392322 A GB2392322 A GB 2392322A
- Authority
- GB
- United Kingdom
- Prior art keywords
- tubular portion
- circuit board
- printed circuit
- connection
- pin type
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
- H01R13/22—Contacts for co-operating by abutting
- H01R13/24—Contacts for co-operating by abutting resilient; resiliently-mounted
- H01R13/2407—Contacts for co-operating by abutting resilient; resiliently-mounted characterized by the resilient means
- H01R13/2421—Contacts for co-operating by abutting resilient; resiliently-mounted characterized by the resilient means using coil springs
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
- H01R13/15—Pins, blades or sockets having separate spring member for producing or increasing contact pressure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/70—Coupling devices
- H01R12/71—Coupling devices for rigid printing circuits or like structures
- H01R12/72—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures
- H01R12/721—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures cooperating directly with the edge of the rigid printed circuits
Landscapes
- Coupling Device And Connection With Printed Circuit (AREA)
- Multi-Conductor Connections (AREA)
Abstract
A pin type terminal 20 for a printed circuit board has a tubular portion 3 made of a conductive material, a spring 4 stored in the tubular portion 3, a contact pin 5 supported slidably and in a conductive state in the tubular portion 3 and urged by the spring 4 to have a tip end protruded from one end of the tubular portion 3, and a connection portion 22 electrically connecting the tubular portion 3 to a contact terminal on a printed circuit board. The connection portion 22 includes a plurality of connection protrusions 23a, 23b arranged in the lengthwise direction of the tubular portion 3, and the end on the protruding side of the connection protrusion 23a, 23b forms a connection plane 24 for parallel positioning that can be connected to the contact terminal, of the printed circuit board, through solder. The pin type terminal may alternatively be mounted on the printed circuit board by the rear surface 25 so that the pin type terminal 20 can be positioned upright with respect to the printed circuit board. A connector housing may further be used to house one or more pin type terminal 20.
Description
1 2392322
PIN TYPE TERMINAL FOR PRINTED CIRCUIT BOARD AND PRESSING TYPE
CONNECTOR USING SUCH PIN TYPE TERMINAL
The present invention relates to a pin type terminal for 5 a printed circuit board mainly used for connection with a battery or the like in a cellular phone, and a pressing type connector using such a pin type terminal.
Conventionally, cellular phones or other portable 10 electrical devices each have a built-in battery pack as a main power source to activate them, and electrical connection between the battery peck end the device mainbodyis mace through a connector mounted on the printed circuit board of the device main body. A pressing type connector with pin type terminals 15 as shown in Figs. 10 and 11 is known as this type of connector.
The pin type terminal 2 for use in the pressing type connector 1 includes a tubular portion 3 made of a conductive material, a spring 4 stored in the tubular portion 3, a contact pin 5, and a connection portion. The contact pin 5 is held 20 slidably and in a conductive state in the tubular portion 3 and urged by the spring 4 to have a tip end protruded from one end of the tubular portion 3. The connection portion is made of a terminal member 6 connected to the other end of the tubular portion 3 for example by caulking. The contact portion of the 25 terminal member 6 is connected to a contact terminal 7a provided on a printed circuit board 7 with solder or the like, so that the contact portion of the terminal member 6 is electrically
connected with a circuit on the printed circuit board 7.
In the pressing type connector 1, the pin type terminals 2 are stored and supported in a rectangular parallelepiped connector housing 8 made of a synthetic resin material so that 5 their contact pins 5 are arranged side by side and protrude from one side of the connector housing 8.
This pressing type connector 1 has its contact pins 5 protruded from the side of the connector housing 8 and pressed against the electrodes 9 of a battery pack, for example, on the 10 opposing side, so that the battery pack and the printed circuit board 7 are electrically connected.
Note that fixing terminal members 10 are used to attach the connector housing 8 to the printed circuit board 7. These fixing terminal members 10 are fixed to an attachment pattern 15 7a on the printed circuit board by soldering with no electrical connection, so that the connector housing 8 is fixed to the printed circuit board 7.
The conventional structure described above, however, precludes the pin type terminals from being attached on the 20 printed circuit board on their own so that the lengthwise direction of the tubular portion is parallel to the printed circuit board. Other than the pin type terminals, a connector housing supporting the pin type terminals, a fixing terminal member for fixing the connector housing to the printed circuit 25 board, a terminal member for electrically connecting the tubular portion to a circuit on the printed circuit board and the like are necessary. Therefore, this pressing type
connector includes a large number of components, which increases the number of steps necessary for assembling the connector and the cost accordingly. Meanwhile, the fixing terminal member and the terminal member occupy an extra space, 5 which prevents the size of the connector as a whole from being reduced. The present invention is in view of the disadvantages associated with the conventional technique. It is an object 10 of the present invention to provide a pin type terminal for a printed circuit board that has a reduced number of components and a reduced size as a whole and can be used on its own and a pressing type connector using the pin type terminal.
15 In order to solve the above described disadvantages associated with the conventional technique and achieve the object, the present invention provides a pin type terminal for a printed circuit board including a tubular portion made of a conductive material, a spring stored in the tubular portion, 20 a contact pin supported slidably and in a conductive state in the tubular portion and urged by the spring to have a tip end protruded from one end of the tubular portion, and a connection portion electrically connecting the tubular portion to a contact terminal provided on a printed circuit board. In the 25 pin type terminal, the connection portion includes at the outer periphery of the tubular portion a plurality of connection protrusions arranged side by side in a lengthwise direction of
the tubular portion and protruding in the same direction crossing the lengthwise direction of the tubular portion, and the protruding end of the connection protrusion forms a connection plane for parallel positioning that can be connected 5 to the contact terminal through solder.
In this way, the tubular portion is supported by the connection protrusions, and the pin type terminal can be attached to the printed circuit board on its own. Unlike the conventional example, a terminal member is not necessary, and 10 therefore work involved in attaching such a member is not necessary. This improves the work efficiency and reduces the cost, and the pin type terminal can be reduced in size for the terminal member.
According to a further aspect of the invention, in 15 addition to the above configuration, the end of the connection protrusion formed at the end of the tubular portion opposite to the protruding side of the contact pin has a connection plane for upright positioning crossing the connection plane for parallel positioning and in the same plane as the end of the 20 tubular portion, and both this plane and the end of the tubular portion can be connected to the contact terminal of the printed circuit board through solder.
In this way, the pintypeterminalcanbe connected upright to the printed circuit board. In other words, the pin type 25 terminal can be selectively provided depending upon applications such that the lengthwise direction of the tubular portion is either parallel or upright to the printed circuit
board. According to a further aspect of the invention, in addition to the above configurations, the tubular portion has a plane for suction in a position symmetric to the connection 5 portion for parallel positioning of the connection protrusion.
In this way, the pin type terminal for the printed circuit board can be transported as it is held by suction, the process of attaching the pin type terminal to the printed circuit board can easily be automated, which improves the work efficiency.
10 The invention further provides a pressing type connector comprising: a pin type terminal for a printed circuit board including: a tubular portion made of a conductive material; a spring stored in the tubular portion; a contact pin supported slidably and in a conductive state in the tubular portion and 15 urged by the spring to have a tip end protruded from one end of the tubular portion; and a plurality of connection protrusions arranged in the lengthwise direction of the tubular portion and protruding in the same direction crossing the lengthwise direction at the outer periphery of the tubular 20 portion, the pin type terminal having the end at the protruding side of the connection protrusion as a connection plane for parallel positioning that can be connected to the contact terminal through solder; and connector housing made of a synthetic resin material for storing the pin type terminal such 25 that the connection plane for parallel positioning is exposed at the bottom, and the contact pin is protruded from one surface of the connector housing.
In this way, the fixing terminal member that would otherwise be necessary for attaching the connector housing to the printed circuit board by the conventional technique is not necessary, so that the number of components can be reduced, 5 which can reduce the size of the connector as a whole. In addition, the plurality of pin type terminals can be handled together, which improves the work efficiency.
According to a further aspect of the invention, in addition to the configuration above, the connector housing 10 includes a suction plane at its upper surface.
In this way, the connector can be transported as it is held by suction, which makes automation easier and improves the work efficiency in the process of attaching the connector to the printed circuit board.
A preferred embodiment of the invention will be described with reference to the accompanying drawing in which: FIGURE l is a side view of an example of how a pin type terminal for a printed circuit board according to the invention 20 is used; FIGURE 2 is a longitudinal sectional view of the pin type terminal for the printed circuit board shown in Fig. l; FIGURE 3 is a plan view of the pin type terminal; FIGURE 4 is a side view of another example of how the pin 25 type terminal for the printed circuit board is used; FIGURE 5 is a side view of a pressing type connector according to the invention;
FIGURE 6 is a plan view of the pressing type connector; FIGURE 7 is a front view of the pressing type connector) FIGURE 8 is a bottom view of the pressing type connector; FIGURE 9 is a sectional view taken along the line A-A in 5 Fig. 6; FIGURE lo is a plan view of a pressing type connector with conventional pin type terminals; and FIGURE 11 is a sectional view taken along the line B-B in Fig. lo.
Now, an embodiment of the invention will be described in conjunction with the accompanying drawings, in which the elements the same es those of the conventional example described above are denoted by the same reference numerals and not 15 described.
Fig. 1 shows an example of how a pin type terminal 20 for a printed circuit board 21 according to the invention is used.
The pin type terminal 20 for the printed circuit board is electrically and mechanically connected to the printed 20 circuit board 21. The electrode portion 9 of an electrical device such as a battery pack is pressed against the contact pin of the pin type terminal 20, so that the electrical device such as the battery pack on the opposing side and an electrical circuit on the printed circuit board are electrically 25 connected.
The pin type terminal 20 includes a tubular portion 3 made of a conductive materiel such es a copper alloy, a spring portion
4 stored in the tubular portion 3, and a contact pin 5 similarly to the conventional pin type terminal as shown in Fig. 11. The contact pin 5 is supported slidably and in a conductive state in the tubular portion 3 and urged by the spring 4 to protrude 5 from one end of the tubular portion 3. Instead of the terminal member shownin Figs.lOandll, the pin type terminal20 includes a connection portion 22 to allow the tubular portion 3 to be electrically connected to the contact terminal 21a of the printed circuit board 21.
10 In order to form the tubular portion 3, the conductive material such as a copper alloy is worked into a tubular shape having one end closed and the other end opened, and the diameter of the opening is smaller than the inner diameter of the tubular portion. 15 The contact pin 5 has a stopper 5a that is provided continuously with the bar-shaped main body of the pin and has a diameter substantially equal to the inner diameter of the tubular portion. The bar-shaped pin main body has a Hemispherical tip end. When the end of the stopper 5a on the 20 pin main body side is abutted against the edge of the opening of the tubular portion 3, the contact pin 5 is prevented from being pulled through the tubular portion. The end of the stopper 5a opposite to the pin main body is inclined. As the spring 4 presses the end, the contact pin 5 is urged in its 25 protruding direction and the radial direction, so that the outer circumferential surface of the stopper 5a is pressed against the inner side surface of the tubular portion and a conductive
state is attained.
The connection portion 22 includes at the outer periphery of the tubular portion 3 a plurality of integrally formed connection protrusions 23a and 23b arranged side by side in the 5 lengthwise direction of the tubular portion and protruding in the same direction crossing the lengthwise direction of the tubular portion.
The protruding ends of the connection protrusions 23a and 23b each form a connection plane 24 for parallel positioning 10 connected to the contact terminal 21a of the printed circuit board 21 with solder. In this way, the pin type terminal 20 for the printed circuit board can be disposed so that the lengthwise direction of the tubular portion 3 is parallel to the printed circuit board 21.
15 The end of the connection protrusion 23b in the lengthwise direction of the tubular portion formed at the end opposite to the protruding side of the contact pin of the tubular portion 3 is in the same plane as the end of the tubular portion 3, and this plane and the end of the tubular portion form a connection 20 plane 25 for upright positioning.
There is a suction portion 26 having a plane for suction at the outer periphery of the tubular portion 3 in a position opposite to the connection protrusion.
The pin type terminal 20 is placed on the contact terminal 25 21a of the printed circuit board through cream solder as the connection plane 24 for parallel positioning is opposed to the contact terminal 21a, and these are heated at appropriate
temperatures in a reflow furnace. The pin type terminal 20 is thus attached.
In this way, the connection plane for parallel positioning is rigidly fixed to the contact terminal 21a through 5 the solder, so that the pin type terminal 20 is electrically connected to the printed circuit board 21 and stably supported by both connection protrusions 23a and 23b.
As the connection plane 25 for upright positioning serves as a connection portion as shown in Fig. 4, the pin type terminal 10 for the printed circuit board can be connected to the contact terminal 27a of a printed circuit board 27 through solder in such a manner that the lengthwise direction of the tubular portion is upright to the printed circuit board.
Note that in the above embodiment, there are the two IS connection protrusions 23a and 23b, while the number of protrusions may be more than two depending upon conditions such as the length of the tubular portion.
In the embodiment, the protruding length of the connection protrusions 23a and 23b, in other words, how much 20 to protrude them is equal, so that the contact pin 5 slides parallel to the printed circuit board 21. Meanwhile, the connection protrusions 23a and 23b may have different protruding lengths, so that the contact pin 5 may slide in a direction angled with respect to the printed circuit board 21, 25 in other words, may slide obliquely. In this case, the connection plane 24 for parallel positioning may be angled with respect to the lengthwise direction of the tubular portion 3
so that the plane is parallel to the printed circuit board 21.
Now, a pressing type connector 30 with the pin type terminal 20 for the printed circuit board as described above will be described in conjunction with Figs. 5 to 9.
5 In the pressing type connector 30, the electrode portion 9of the opposing side such as a battery pack is pressed against the contact pin 5 protruding at a front, so that the electrical device such es the battery peck on the opposing side end a circuit on the printed circuit board can be electrically connected.
10 The pressing type connector 30 includes a plurality of pin type terminals 20 for a printed circuit board, and a connector housing 31 to store the pin type terminals 20 in a parallel arrangement.
The connector housing 31 is made of a synthetic resin 15 material and has a rectangular parallelepiped shape and its backside end bottom are opened. The housing has storing grooves 32 to store the pin type terminals 20.
The depth Hin the verticaldirectionof the storing groove 32 in the figureis such that the connection plane 5 for parallel 20 positioning of the pin type terminal20 is exposed et the bottom, and slightly smaller than the height of the pin type terminals 20 when they are positioned parallel.
There are protrusion holes 33 formed at the front of the connector housing 31 in communication with the storing grooves 25 32, so that the tip ends of the contact pins 5 protrude from the protrusion holes 33.
There is a positioning recess 34 formed at the lower part
of the connector housing 31, so that the pressing type connector 30 is suitably positioned at the edge of the printed circuit board 21. The upper surface of the connector housing 31 forms a flat suction plane 35 that allows the connector to be transport 5 by air suction.
As shown in Fig. 8, the pressing type connector 30 stores the pin type terminals 20 for the printed circuit board in the storing grooves 32 as the tip ends of the contact pins 5 are protruded from the front surface. In this state, the hatched 10 part in the Fig. 8 is thermally caulked to fix the pin type terminals 20 to the connector housing 31.
Consequently, the connection portion 3 for parallel positioning of the pin type terminals 20 stored in the connector housing 31 is connected to the contact terminals 21a of the 15 printed circuit board through solder. In this way, the pressing type connector 30 can be fixed to the printed circuit board 21 in a stable manner.
As described above, the pin type terminal for the printed circuit board according to the invention is supported in a 20 stable state with a plurality of connection protrusions, and therefore it can be positioned parallel to the printed circuit board on its own. A connector housing or other components are not necessary, in other words, the number of components can be reduced, so that the cost can be reduced. Such a single 25 component can be positioned either in a parallel or upright direction to a printed circuit board.
Furthermore, the pressing type connector according to the
invention can be fixed to a printed circuit board in a stable manner without a fixing member such as a conventional fixing terminal member. In addition, this provides an efficient arrangement because a plurality of pin type terminals can be 5 handled at a time. Since the number of necessary components is reduced, the connector can be manufactured less costly. The space that would otherwise be necessary for the fixing terminal member and the terminal member in the conventional example can be saved, and therefore the size of the connector as a whole 10 can be reduced.
Claims (7)
1. A pin type terminal for a primed circuit board, comprising: a tubular portion made of a conductive material; 5 a spring stored in the tubular portion; a contact pin supported slidablyandina conductive state in the tubular portion and urged by the spring to have a tip end protruded from one end of the tubular portion; and a connection portion electrically connecting the tubular 10 portion to a contact terminal provided on a printed circuit board, the connection portion including at the outer periphery of the tubular portion a plurality of connection protrusions arranged side by side in a lengthwise direction of the tubular 15 portion and protruding in the same direction crossing the lengthwise direction of the tubular portion, the protruding side end of the connection protrusion forming a connection plane for parallel positioning that can be connected to the contact terminal through solder.
2. A pin type terminal according to Claim 1, wherein the end
of the connection protrusion in the lengthwise direction of the tubular portion formed at the end opposite to the protruding side of the contact pin of the tubular portion is in the same 25 plane as the end of the tubular portion, and this plane and the end of the tubular portion form a connection plane for upright positioning that can be connected to the contact terminal of
the printed circuit board through solder.
3. A pin type terminal according to Claim 1 or 2, wherein the tubular portion comprises a suction portion having a plane for 5 suction in a position opposite to a connection protrusion at the outer periphery of the tubular portion.
4. A pressing type connector, comprising a pin type terminal for a primed circuit boardlncluding: 10 a tubular portion made of a conductive material) a spring stored in the tubular portion; a contact pin supported slidably end in a conductive state in the tubular portion and urged by the spring to have a tip end protruded from one end of the tubular portion; and 15 a plurality of connection protrusions arranged in the lengthwise direction of the tubular portion and protruding in the same direction crossing the lengthwise direction at the outer periphery of the tubular portion, the pin type terminal having the end at the protruding side of the 20 connection protrusion as a connection plane for parallel positioning that can be connected to the contact terminal through solder, and connector housing made of a synthetic resin material for storing the pin type terminal such that the connection plane 25 for parallel positioning is exposed at the bottom, and the contact pin is protruded from one surface of the connector housing.
5. A pressing type connector according to Claim 4, wherein the connector housing comprises a suction plane at its upper surface.
6. A pin type terminal for a printed circuit board, substantially as herein described above and illustrated in the accompanying drawings.
10
7. A pressing type connector, substantially as herein described above and illustrated in the accompanying drawings.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002209117A JP2004055243A (en) | 2002-07-18 | 2002-07-18 | Pin type terminal for use in printed circuit board and pressing connector using it |
Publications (4)
| Publication Number | Publication Date |
|---|---|
| GB0315338D0 GB0315338D0 (en) | 2003-08-06 |
| GB2392322A true GB2392322A (en) | 2004-02-25 |
| GB2392322B GB2392322B (en) | 2005-07-27 |
| GB2392322B8 GB2392322B8 (en) | 2005-10-05 |
Family
ID=27678613
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB0315338A Expired - Fee Related GB2392322B8 (en) | 2002-07-18 | 2003-07-01 | Pin type terminal for printed circuit board and resilient butting connector using such pin type terminal |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2004055243A (en) |
| GB (1) | GB2392322B8 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2012393A1 (en) | 2007-07-06 | 2009-01-07 | Kitagawa Industries Co., Ltd. | Surface mount contact member |
| US8821198B2 (en) | 2009-09-14 | 2014-09-02 | Tyco Electronics Japan G.K. | Surface mounted electrical contact |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009016159A (en) * | 2007-07-04 | 2009-01-22 | Shin Etsu Polymer Co Ltd | Insulation displacement connector and its connection structure of electronic equipment |
| JP4968796B2 (en) * | 2007-11-09 | 2012-07-04 | 北川工業株式会社 | Surface mount contact |
| US7435109B1 (en) | 2007-11-26 | 2008-10-14 | Yokowo Co., Ltd. | Spring connector |
| JP5493920B2 (en) * | 2010-01-29 | 2014-05-14 | オムロン株式会社 | Mounting component, electronic device and mounting method |
| JP6501717B2 (en) * | 2016-02-18 | 2019-04-17 | ヒロセ電機株式会社 | Connecting terminal |
-
2002
- 2002-07-18 JP JP2002209117A patent/JP2004055243A/en active Pending
-
2003
- 2003-07-01 GB GB0315338A patent/GB2392322B8/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2012393A1 (en) | 2007-07-06 | 2009-01-07 | Kitagawa Industries Co., Ltd. | Surface mount contact member |
| US7503774B2 (en) | 2007-07-06 | 2009-03-17 | Kitagawa Industries Co., Ltd | Surface mount contact member |
| US8821198B2 (en) | 2009-09-14 | 2014-09-02 | Tyco Electronics Japan G.K. | Surface mounted electrical contact |
Also Published As
| Publication number | Publication date |
|---|---|
| GB2392322B (en) | 2005-07-27 |
| GB0315338D0 (en) | 2003-08-06 |
| JP2004055243A (en) | 2004-02-19 |
| GB2392322B8 (en) | 2005-10-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20070701 |