JP2005078841A - Connector - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a connector which is electrically and mechanically engaged with two kinds of counterpart connectors having engagement parts with different dimensions, and prevents short-circuiting between the contact electrodes to which the counterpart connector is not connected from being caused. <P>SOLUTION: Engagement parts 11, 12 which are individually engaged with two kinds of counterpart connectors having engagement parts with different dimensions are formed on both sides of a connector housing 1. A slide member 6 moving toward the other engagement part 12 side or 11 side by being pushed by the counterpart connector when the counterpart connector is connected to the engagement part 11 or 12 is provided in the connector housing 1, and the electrode part of the contact electrode 2 or 3 to which the counterpart connector is not connected is covered by the moved slide member 6. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a connector that can connect two types of connectors having different mating connector dimensions, and more particularly to a connector suitable for wiring connection of a vehicle-mounted speaker device.

  Conventionally, in an in-vehicle speaker device, the connector mounted on the vehicle side differs depending on the car manufacturer. Therefore, all connectors that meet the specifications of each car manufacturer are prepared and included as an accessory part of the in-vehicle speaker device. It was.

  As described above, since all the connectors corresponding to the respective car manufacturers are attached, there is a problem that the number of parts increases and the cost increases accordingly.

  Conventionally, as a connector used for a line for transmitting a video signal, a connector having a structure in which the mating connectors having different fitting dimensions as described above can be fitted and connected and the compatibility is improved is proposed. ing. (For example, see Patent Document 1)

Based on the technique disclosed in the connector used for the line for transmitting the video signal, for example, as shown in FIG. 7, it is conceivable to configure a connector that can be used for wiring of a vehicle-mounted speaker device. The connector shown in FIG. 7 is integrally formed by arranging two connector parts 7 and 8 having different fitting part sizes on the left and right sides so that two types of mating connectors having different fitting dimensions can be connected. The lead-side lead wires 9 and 10 for connecting to the vehicle-mounted speaker device are provided on the back side, so that two types of mating connectors with different fitting dimensions can be fitted and connected. It can comprise so that it may have.
JP 2003-17165 A (page 2-4, FIG. 1)

  In the connector shown in FIG. 7, the contact electrode of the other connector part 7 or 8 that is not connected to the other side (vehicle side) connector of the two types of connector parts 7 and 8 is used in an exposed state. Therefore, if dust or the like enters between the contact electrodes that are exposed, there is a problem that a short circuit may occur and a fire may be caused.

  The present invention makes it possible to fit and connect two types of mating connectors whose dimensions of the fitting portion are different, and to prevent occurrence of a short circuit between the contact electrodes arranged in the fitting portion which is not in use. The object is to provide a connector that can be used.

  In order to achieve the above object, in the connector of the present invention, a connector housing having mating portions formed on both sides for mating and connecting two types of mating connectors with different mating portion dimensions, and the mating connector A plurality of contact electrodes arranged in parallel in the connector housing in accordance with the mating direction of the connector, and lead terminal portions formed so as to protrude in a direction different from the connection direction of the mating connector at an intermediate position of the contact electrodes. When the mating connector is fitted to one fitting part, a slide member that is pushed by the mating mating connector and moves to the other fitting part side is provided in the connector housing, The moving slide member covers the contact electrode to which the mating connector is not fitted and connected.

  Further, it is effective that the slide member is configured to move in the connector housing using the contact electrode as a guide.

  Further, the slide member is moved within the connector housing by inserting a first guide hole for moving in the connector housing using the contact electrode arranged in the connector housing as a guide and a lead terminal portion formed in the contact electrode. It is preferable that the structure is provided with a second guide hole for regulating the range and preventing the connector housing from falling off.

  The connector of the present invention can electrically and mechanically connect two types of mating connectors with different fitting part dimensions, and can reduce the number of connectors included as accessory parts. And the associated cost can be reduced. Further, it is possible to prevent occurrence of a short circuit between the contact electrodes on which the mating connector is not fitted and connected.

  Fitting portions capable of individually fitting two types of mating connectors having different fitting portion dimensions are formed on both sides of the connector housing. Furthermore, when a mating connector is connected to one fitting part, a slide member that is pushed by the mating connector and moves to the other fitting part side is provided in the connector housing, and the mating slide member moves The contact electrode that is not fitted and connected to the side connector is covered to prevent a short circuit between the contact electrodes.

A first embodiment of a connector according to the present invention will be described with reference to FIGS. 1 to 6A.
The connector according to the first embodiment can electrically and mechanically connect two types of mating connectors, the specifications of the car manufacturer A and the car manufacturer B, which have different contact electrode spacing and connector housing dimensions. It is configured as follows.

  FIG. 1A is a perspective view showing a connector in a state where a mating connector (not shown) specified by a car manufacturer A is fitted and connected, and FIG. 1B is a mating connector (not shown) specified by a car manufacturer B. 2) is a perspective view showing the connector in a state where the connector is fitted and connected, FIG. 2A is a cross-sectional view showing the connector in a state where the mating connector A specified by the car manufacturer A is fitted and connected, and FIG. FIG. 3A is a perspective view showing a slide member, and FIG. 3B is a bottom view showing a state in which the slide member is separated. 4 (a) is a bottom view of the slide member, FIG. 4 (b) is a front view of the slide member, FIG. 5 (a) is a perspective view of the contact electrode, and FIG. 5 (b) is a contact electrode as the slide member. FIG. 6A is a bottom view showing the mounted state, and FIG. It is a schematic diagram showing the location.

As shown in FIGS. 1 and 2, the connector according to the first embodiment comprises the following four main components.
The first structural main part is a connector housing 1. The connector housing 1 is formed with two fitting portions 11 and 12 on both sides for individually fitting and connecting mating connectors A and B having different dimensions of the portion to be fitted and connected.

  The second main component is the two contact electrodes 2 and 3 on the plus side and the minus side. The two contact electrodes 2 and 3 are securely and electrically connected when the mating connector A is fitted to the fitting portion 11 or when the mating connector B is fitted to the fitting portion 12. In order to be able to do so, they are arranged in parallel in the connector housing 1.

  The third main component is lead terminals 21 and 31 connected to the vehicle-mounted speaker device side. Both the lead terminals 21 and 31 are formed so as to protrude downward at each intermediate position of the contact electrodes 2 and 3. In addition, lead wires 4 and 5 with terminals for connecting to the in-vehicle speaker device are connected to both the lead terminals 21 and 31 by soldering or the like.

  The fourth main component is a slide member 6 that is movably provided in the connector housing 1. When the mating connector A is fitted and connected to one of the two fitting portions 11 and 12, for example, as shown in FIG. The electrode portions 23 and 33 of the contact electrodes 2 and 3 that are pushed by the tip end portion of the mating connector A and moved to the other fitting portion 12 side and the mating connector B is not fitted and connected. The part is completely covered.

  In contrast to the above case, when the mating connector B is fitted and connected to the fitting portion 12, as shown in FIG. 2 (b), the slide member 6 is inserted into the tip end portion into which the mating connector B is inserted. And is moved to the other fitting part 11 side, and is configured to completely cover the electrode parts 22 and 32 of the contact electrodes 2 and 3 on which the mating connector A is not fitted and connected. Yes.

Furthermore, the structure of each of the components will be described in detail.
First, the connector housing 1 is formed so that the inner dimension of the opening 111 in the fitting portion 11 is a height c and a width d so that the mating connector A specified by the car manufacturer A can be fitted and connected. Yes. In addition, the inner dimension of the opening 121 in the other fitting part 12 is formed with a height a and a width b, and the size of the housing part is different from that of the fitting part 11. The mating connector B of the specification is configured to be fitted and connected.
In the connector of the first embodiment, there are two types in the case where the outer peripheral dimension of the mating connector B specified by the car manufacturer B is smaller than the outer dimension of the mating connector A specified by the car manufacturer A. It is configured to be compatible.

  Further, as shown in FIG. 5A, the two contact electrodes 2 and 3 form electrode portions 22 and 32 to which the mating connector A of the car manufacturer A company specification is connected at one end, The other end portions are formed with electrode portions 23 and 33 to which the mating connector B specified by the car manufacturer B company is connected. Further, the two contact electrodes 2 and 3 are respectively formed with lead terminal portions 21 and 31 formed so as to protrude downward substantially at the center thereof. As shown in FIGS. 1 and 2, lead terminals 4 and 5 with terminals for electrical connection to the in-vehicle speaker device are attached to the lead terminal parts 21 and 31, respectively, by soldering or the like. Further, the lead terminal portions 21 and 31 are inserted and fixed to the attachment portion 13 formed at the bottom side center portion of the connector housing 1 so that the contact electrodes 2 and 3 do not fall out of the opening portion 111 or 121 of the connector housing 1. It is composed.

  Further, as shown in FIGS. 3A and 3B and FIGS. 4A and 4B, the slide member 6 is movably loaded into the connector housing 1 so that both ends of the slide member 6 are disposed. The dimensions of the surface are formed in a prismatic shape in accordance with the inner dimensions (height a, width b) of the opening 121 provided in the fitting portion 12 for fitting and connecting the mating connector B of the manufacturer B company specification. .

  Further, as shown in FIG. 3B, the slide member 6 is configured to be divided into two in the left-right direction. The first guide formed on the slide member 6 as shown in FIG. 5B by making the contact electrodes 2 and 3 configured as shown in FIG. The contact electrodes 2 and 3 and the lead terminal portions 21 and 31 can be easily fitted into the holes 61 and 62 and the second guide holes 63 and 64 communicating with the first guide holes 61 and 62. ing. After the contact electrodes 2 and 3 and the lead terminal portions 21 and 31 are fitted, the locking claw portion 65 is locked to the engagement groove portion 66 by using the elasticity of the material constituting the slide member 6. As shown to 3 (a), it connects integrally.

  The first guide holes 61, 62 of the slide member 6 are formed so as to penetrate in parallel between both ends of the slide member 6, and guide the contact electrodes 2, 3 fitted into the first guide holes 61, 62. The slide member 6 can be moved in the connector housing 1.

  Further, as shown in FIGS. 4A and 4B, the distance e between the insides of the first guide holes 61 and 62 is equal to the electrode portions 23 of the contact electrodes 2 and 3 shown in FIG. It is made to correspond with the space | interval e between 33 insides. Further, the interval f between the outer sides of the first guide holes 61 and 62 is made to coincide with the interval f between the outer sides of the electrode portions 22 and 32 of the connector electrodes 2 and 3. Further, the height g of the first guide holes 61 and 62 is made to coincide with the height g of the electrode portions 22 and 32 for fitting and connecting the mating connector A having a large size, and the first guide holes 61 and 62. As shown in FIG. 6A, the width i is formed to coincide with the distance i between the electrodes 22 and 23 formed on the contact electrode 2 and the electrode portions 32 and 33 formed on the contact electrode 3.

  Therefore, the positional relationship when the contact electrodes 2 and 3 are fitted into the first guide holes 61 and 62 of the slide member 6 is as shown in FIG. The portion facing the outside of 32 contacts the wall surface facing the outside of the first guide holes 61 and 62. Moreover, it is comprised so that the part facing the inner side of the electrode parts 23 and 33 may contact with the wall surface facing the inner side of the 1st guide holes 61 and 62. As shown in FIG. As a result, the slide member 6 can move in the direction of the fitting portion 11 or 12 without rattling when moving using the contact electrodes 2 and 3 as a guide.

  Further, as shown in FIG. 3A, second guide holes 63 and 64 communicating with the first guide holes 61 and 62 are formed on the bottom surface side of the slide member 6. As shown in FIGS. 2A and 2B, lead terminal portions 21 and 31 are movably inserted into the second guide holes 63 and 64, respectively. As shown in FIGS. 2 (a) and 2 (b), the second guide holes 63 and 64 are connected to the sliding member 6 along with the mating connection of the mating connector A or B to the mating portion 11 or 12. Is prevented from falling out of the connector housing 1 when it is moved by being pushed by the distal end of the mating connector A or B on the insertion side.

  That is, by inserting the lead terminal portions 21 and 31 into the second guide holes 63 and 64 respectively, the second guide holes are formed on the side surfaces of the lead terminal portions 21 and 31 when the slide member 6 moves. The end portions 63 and 64 are hit to restrict the movement of the slide member 6 and prevent the slide member 6 from falling off. At this time, the terminal portions of the second guide holes 63 and 64 located on the fitting portion 12 side are formed so as to be located at the dimension h from the opening 111 of the fitting portion 11.

  The first embodiment of the connector according to the present invention is configured as described above. Therefore, as shown in FIG. When the mating connection is made, the slide member 6 is pushed by the mating connector A and moves in the direction of the mating portion 12, and the mating connector B specified by the vehicle manufacturer B company is not connected by the moved slide member 6. The electrode parts 23 and 33 on the other side can be completely covered.

  Further, as shown in FIG. 2B, when the mating connector B of the car manufacturer B company specification is fitted and connected to the fitting portion 12, the slide member 6 is pushed by the mating connector B and is fitted to the fitting portion 11. The electrode member 22, 31 to which the counterpart connector A specified by the car manufacturer A company is not connected can be completely covered by the moved slide member 6.

  As described above, the connector of the first embodiment can electrically and mechanically connect two types of mating connectors A or B with different dimensions of the fitting portion. Since the number can be reduced, it is possible to reduce the number of parts and the associated cost. Further, it is possible to prevent occurrence of a short circuit between the electrode portions 22 and 23 and 23 and 33 of the contact electrodes 2 and 3 on which the counterpart connector A or B is not fitted.

FIG. 6B is a schematic view of a contact electrode showing a second embodiment of the connector according to the present invention.
According to the second embodiment, the structure similar to that of the first embodiment described above is adopted, and the size of the slide member 6 is adjusted to the size of the contact electrode, whereby the electrode portion shown in FIG. It is possible to cope with the case where the arrangement of the electrode parts or the plate thickness of the electrode parts is different, such as 24, 25 and 34, 35, or even if one of them is a T-type connector. Similar effects can be obtained.

It is a perspective view which shows the connector of the 1st Example of this invention. It is sectional drawing which shows the connector of the 1st Example of this invention. It is the perspective view and bottom view of a slide member used for the connector of the 1st Example of the present invention. It is the bottom view and front view of a slide member which are used for the connector of the 1st example of the present invention. It is a perspective view of a contact electrode used for the connector of the 1st example of the present invention, and a bottom view of a slide member equipped with this contact electrode. It is the schematic diagram which shows the space | interval of the contact electrode used for the connector of the 1st Example of this invention, and the space | interval of the contact electrode used for the connector of a 2nd Example. It is a perspective view of the conventional connector.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Connector housing 11 Fitting part 12 Fitting part 111 Opening part 121 Opening part 2 Contact electrode 21 Lead terminal part 22 Electrode part 23 Electrode part 3 Contact electrode 31 Lead terminal part 32 Electrode part 33 Electrode part 4 Lead wire with terminal 5 Terminal Attached lead wire 6 Slide member 61 First guide hole 62 First guide hole 63 Second guide hole 64 Second guide hole

Claims (3)

A connector housing formed on both sides with fitting parts for individually fitting and connecting two types of mating connectors with different dimensions of the fitting parts;
A plurality of contact electrodes arranged in parallel in the connector housing according to the mating direction of the mating connector;
A connector provided with a lead terminal portion formed by projecting in a direction different from the connection direction of the mating connector at an intermediate position of the contact electrode,
When the mating connector is fitted to one fitting portion, a slide member that is pushed by the mating mating connector and moves to the other fitting portion side is provided in the connector housing. A connector configured to cover a contact electrode to which a mating connector is not fitted and connected.   The connector according to claim 1, wherein the slide member is configured to move in the connector housing using the contact electrode as a guide.   The slide member has a first guide hole for moving in the connector housing with the contact electrode arranged in the connector housing as a guide, and a lead terminal portion formed in the contact electrode to insert a moving range in the connector housing. The connector according to claim 1 or 2, further comprising a second guide hole for regulating and preventing falling off from the connector housing.

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