JP2012133980A - Connector - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a connector which improves earthquake resistance between connectors due to vibration.SOLUTION: A connector 1 comprises: a female connector 12 having a hood part 23 in which female terminals 11 of the electric wire terminals are housed; and a male connector 14 having male terminals of the electric wire terminals housed therein which are fitted into the hood part (overcoat hood part) 23 of the female connector 12 to connect the female terminals 11 and the male terminals. In the hood part 23 of the female connector 12, a guide slope 28 is formed which expands the hood part 23 by coming the female connector 12 into face contact with the outer periphery of the male connector 14 to the depth of the fitting direction of the male connector 14.

Description

  The present invention relates to a connector for connecting terminals of an electric wire terminal.

  Conventionally, as a connector for electrically connecting a female terminal and a male terminal of an electric wire terminal, for example, a connector described in JP-A-2002-198127 (Patent Document 1) has been proposed.

  Such a connector makes it possible to connect a female terminal and a male terminal by fitting a connector housing containing a female connector and a connector housing containing a male connector.

  FIG. 5A to FIG. 5C are diagrams showing the configuration of the connector described in Patent Document 1. FIG. As shown in FIGS. 5 (a) to 5 (c), the connector 100 is substantially constituted by a female connector 102 in which a female terminal is accommodated and a male connector 104 in which a male terminal is accommodated.

  As shown in FIGS. 5A and 5B, the female connector 102 includes a female connector housing 121 formed in a cylindrical shape and a connector main body 123 provided with a terminal accommodating chamber 122 in which a female terminal is accommodated. And a guide groove 124 into which a guide rib 144 (to be described later) can enter, and a regulation protrusion 125 provided inside the connector main body 123.

  As shown in FIGS. 5A and 5C, the male connector 104 includes a male connector housing 141 formed in a cylindrical shape, a male terminal accommodating chamber 142 that accommodates male terminals, and the interior of the female connector 102. And a guide rib 144 that extends forward and backward over the entire length of the fitting hood portion 143 and can enter the guide groove 124.

  Then, by inserting the guide rib 144 into the guide groove 124, the female connector 102 and the male connector 104 are fitted. At this time, the restricting protrusion 125 provided at the diagonal position inside the connector main body 123 abuts on the fitting hood 143, thereby holding the fitting state between the female connector 102 and the male connector 104.

JP 2002-198127 A

  However, in the conventional connector 100 described above, the connector main body 123 is elastically expanded, and the restricting protrusion 125 abuts on the fitting hood portion 143 by point contact in the expanding direction, and the female connector 102 and the male connector 104 Is restricted.

  For this reason, the clearance generated between the female connector 102 and the male connector 104 reduces the force for restricting the rotation of the female connector 102 and the male connector 104 when the vehicle or the like vibrates, and the earthquake resistance between the connectors 100 is low. Problem arises.

  Therefore, the present invention has been made to solve such a conventional problem, and an object of the present invention is to provide a connector that improves vibration resistance between connectors due to vibration.

  In order to achieve the above object, the connector of the present invention described in claim 1 includes a female connector in which a female terminal of an electric wire terminal is accommodated and a hood portion, and a male terminal of the electric wire terminal in which a female terminal of the electric wire terminal is accommodated. A female connector and a male connector to which the female terminal and the male terminal are connected, and the hood portion of the female connector is connected to the male connector at the back in the fitting direction of the female connector and the male connector. A guide slope that expands the hood portion by contact with the outer periphery is formed.

  The connector of the present invention described in claim 2 is the connector according to claim 1, wherein the female connector is a female connector housing, a connector main body provided with a terminal accommodating chamber, and an outer hood portion covering the connector main body. The guide slope is formed on the inner wall of the outer hood portion.

  A connector according to a third aspect of the present invention is the connector according to the second aspect, wherein the male connector is between the connector main body and the outer hood portion when the male connector housing and the female connector are fitted. A surface contact portion that is in surface contact with the guide slope is formed on the outer periphery of the opening edge portion of the engagement hood portion.

  According to the connector of the present invention as set forth in claim 1, the hood portion of the female connector is formed with a guide slope that causes the outer periphery of the male connector to come into surface contact and expand the hood portion. By reducing the number, the regulating force between the connectors due to vibration can be improved.

  In addition, since the hood portion of the female connector contacts the outer periphery of the male connector by surface contact, compared with the case of contacting the outer periphery of the male connector by point contact, by reducing the gap between the connectors, The movement between the connectors can be further suppressed.

  Therefore, it is possible to provide a connector that improves the vibration resistance between connectors due to vibration.

  According to the connector of the present invention described in claim 2, since the guide slope is formed on the inner wall of the outer hood portion, when the female connector and the male connector are fitted, the female connector and the male connector rotate. Suppress.

  According to the connector of the present invention described in claim 3, the surface contact portion that is in surface contact with the guide slope is formed on the outer periphery of the opening edge portion of the fitting hood portion, thereby reducing the gap between the connectors. It is possible to improve the regulating force between the connectors.

  Further, since the guide inclined surface and the surface contact portion of the outer hood portion of the female connector are in contact with each other by surface contact, the gap between the connectors can be reduced as compared with the case of contact by point contact. Therefore, the movement between the connectors during vibration can be further suppressed.

It is a perspective view which shows the female connector and male connector which concern on embodiment of this invention. It is a perspective view which shows the connector which concerns on embodiment of this invention. It is a figure which shows sectional drawing of the female connector which concerns on embodiment of this invention. It is a figure which shows sectional drawing of the connector which concerns on embodiment of this invention. It is a figure which shows the connector in the past.

  Hereinafter, a connector according to an embodiment of the present invention will be described with reference to the drawings. First, a connector according to an embodiment of the present invention will be described with reference to FIGS. 1 and 2. FIG. 1 is a perspective view showing a female connector and a male connector according to an embodiment of the present invention. FIG. 2 is a perspective view showing the connector according to the embodiment of the present invention.

  The connector which concerns on embodiment of this invention is a connector for electrically connecting the female terminal and male terminal of an electric wire terminal (terminal used for wiring of the electric equipment etc. which are mounted in a vehicle or a vehicle).

  As shown in FIGS. 1 and 2, the connector 1 includes a female connector 12 in which a female terminal 11 is accommodated, and a male connector that fits the female connector 12 and connects the male terminal (not shown) and the female terminal 11. 14.

  The female connector 12 includes a female connector housing 21 formed in a cylindrical shape with a material such as synthetic resin, a connector main body 22 that accommodates the female terminals 11, and an outer hood portion 23 that covers the connector main body 22.

  The connector body 22 includes a terminal housing chamber 24 in which the female terminals 11 are housed in a cylindrical shape, and a waterproof plug 25 (packing, which is bent and deformed inside the connector body 22 when the male connector 14 is fitted into the female connector 12. And a waterproof plug housing chamber 26 for housing the housing (see FIG. 2).

  The waterproof plug 25 is formed in a ring shape with a substantially central portion passing therethrough. When the waterproof plug 25 is fitted into the male connector 14 and the female connector 12 in a state of being accommodated in the waterproof plug accommodating chamber 26, the male connector 14 and It elastically expands and adheres to the inner wall of the female connector 12. For this reason, water can be prevented from entering the connector 1 from the male connector 14 side.

  The outer hood portion 23 includes a guide groove 27 provided on the inner wall, and a guide slope 28 provided at the back in the fitting direction of the female connector and the male connector.

  A pair of guide grooves 27 are provided at positions facing the inner wall of the outer hood portion 23 (one side is omitted). The guide groove 27 holds the female connector 12 and the male connector 14 in a proper fitting position by inserting a guide rib 43 of the male connector 14 to be described later, and between the female connector 12 and the male connector 14. Regulates rotation.

  As will be described later with reference to FIGS. 3 and 4, the guide slope 28 is inclined at a predetermined angle with respect to the outer peripheral surface of the male connector 14, and the outer periphery of the male connector 14 comes into surface contact with the outer hood portion. 23 is expanded.

  As described above, the outer hood portion 23 of the female connector 12 is formed with the guide slope 28 where the outer periphery of the male connector 14 is in surface contact. The power can be improved.

  Further, since the outer jacket hood portion 23 is expanded by the guide slope 28, the rotation between the female connector 12 and the male connector 14 is restricted, and the insertion force when the male connector 14 is fitted can be reduced. it can.

  The female connector 12 includes a front holder 30 that contacts the inner wall (inside the ring) of the waterproof plug 25 and fits with a male tab 44 of the male connector 14 described later.

  The male connector 14 is a fitting hood portion that is inserted between the connector main body 22 and the outer hood portion 23 when the male connector housing 41 formed into a cylindrical shape with a material such as synthetic resin and the female connector 12 is fitted. 42.

  The fitting hood portion 42 includes a pair of guide ribs 43 formed in the lateral direction of both side wall surfaces (the fitting direction to the female connector 12). The male connector 14 also includes a male tab 44 (see FIG. 2) that fits with the front holder 30 of the female connector 12.

  The guide ribs 43 integrally formed on both side walls of the fitting hood portion 42 are accommodated in the guide grooves 27 provided in the female connector 12 when the female connector 12 and the male connector 14 are fitted.

  The guide ribs 43 are formed on both side walls of the longer one of the vertical length and the horizontal length of the fitting hood portion 42 (in the horizontal direction in the embodiment of the present invention).

  Thus, by forming a pair of guide ribs 43 on both side walls of the fitting hood portion 42, the female connector 12 and the male connector 14 can be held in the proper fitting position. In addition, the holding force can be improved by inserting the guide rib 43 into the guide groove 27.

  Further, by forming the guide ribs 43 on both side walls of the longer one of the longitudinal length and the lateral length of the fitting hood portion 42 (in the lateral direction in the embodiment of the present invention), the female connector 12 and the male connector 14 are formed. And rotation can be suppressed.

  As will be described later with reference to FIGS. 3 and 4, a surface contact portion 46 that is in surface contact with the guide inclined surface 28 of the female connector 12 is formed on the outer periphery of the opening edge portion 45 of the fitting hood portion 42.

  As shown in FIG. 2, the female terminal 11 includes a connection portion 71 connected to a terminal (not shown) of a male terminal, a terminal waterproof plug (packing) 72 that is in close contact with the terminal accommodating chamber 24 of the female connector 12, a vehicle, And an electric wire 73 connected to an electric device or the like mounted on the vehicle.

  Since the terminal waterproof plug 72 is elastically expanded and adhered to the inner wall of the terminal accommodating chamber 24 of the female connector 12, water can be prevented from entering the connector 1 from the terminal accommodating chamber 24 side.

  Next, with reference to FIG. 3 and FIG. 4, the guide slope 28 provided on the female connector 12 and the surface contact portion 46 provided on the male connector 14 will be described in detail.

  Fig.3 (a) is sectional drawing of the female connector which concerns on embodiment of this invention. FIG.3 (b) is an enlarged view of the guide slope of the female connector which concerns on embodiment of this invention. FIG. 4A is a cross-sectional view of the connector according to the embodiment of the present invention. FIG.4 (b) is an enlarged view of the surface contact part of the male connector which concerns on embodiment of this invention.

  As shown in FIGS. 3A and 3B, the outer hood portion 23 of the female connector 12 has a guide slope 28 where the outer periphery of the female connector 12 and the male connector 14 are in surface contact with the inner wall of the outer hood portion 23. Is formed.

  When the female connector 12 and the male connector 14 (see FIG. 2) are fitted, the guide inclined surface 28 comes into surface contact with the opening edge 45 (see FIGS. 4A and 4B) of the male connector 14. Thus, it is provided in the vicinity of the terminal accommodating chamber 24.

  A hood contact portion 29 that contacts the male connector 14 is formed on the inner wall of the outer hood portion 23, and the outer hood portion 23 expands from the hood contact portion 29 toward the opening side of the outer hood portion 23. Open.

  That is, when the female connector 12 and the male connector 14 (see FIG. 2) are fitted, the guide inclined surface 28 is inclined at a predetermined angle with respect to the outer peripheral surface of the male connector 14. The outer hood portion 23 then expands from the hood contact portion 29 toward the opening side.

  In this manner, the outer hood portion 23 of the female connector 12 is formed with the guide slope 28 that causes the outer periphery of the male connector 14 to come into surface contact and expands the outer hood portion 23, thereby reducing the gap between the connectors 1. Thus, it is possible to improve the regulating force between the connectors 1 due to vibration.

  Further, since the outer hood portion 23 of the female connector 12 contacts the outer periphery of the male connector 14 by surface contact, the gap between the connectors 1 is reduced as compared with the case of contacting the outer periphery of the male connector 14 by point contact. Thereby, the movement between the connectors 1 at the time of vibration can be suppressed more.

  Further, the guide slope 28 is formed on the inner wall of the outer hood portion 23, so that when the female connector 12 and the male connector 14 are fitted, the rotation of the female connector 12 and the male connector 14 can be suppressed. it can.

  As shown in FIGS. 4A and 4B, a surface contact portion 46 that is in surface contact with the guide slope 28 is formed on the outer periphery of the opening edge 45 of the fitting hood portion 42.

  For this reason, as shown in FIGS. 3 and 4, the female connector 12 and the male connector 14 (see FIG. 2) are fitted in the proper fitting positions (positions shown in FIGS. 4 (a) and 4 (b)). When they are combined, the outer surface hood portion 23 expands from the hood contact portion 29 toward the opening side due to the surface contact portion 46 being in surface contact with the guide slope 28.

  Thus, by forming the surface contact portion 46 in surface contact with the guide slope 28 on the outer periphery of the opening edge portion 45 of the fitting hood portion 42, the clearance between the connectors 1 is reduced by reducing the gap between the connectors 1. Regulatory power can be improved.

  In addition, since the guide slope 28 and the surface contact portion 46 of the outer hood portion 23 of the female connector 12 are in contact with each other by surface contact, the gap between the connectors 1 can be reduced as compared with the case of contact by point contact. For this reason, the movement between the connectors 1 at the time of vibration can be suppressed more.

  Next, a case where the female connector 12 and the male connector 14 are fitted will be described with reference to FIGS. 1 to 4.

  As shown in FIGS. 1 to 4, when the female connector housing 21 and the male connector housing 41 are fitted, the fitting hood portion 42 is inserted between the connector main body 22 and the outer hood portion 23.

  When the female connector housing 21 and the male connector housing 41 are fitted, the guide rib 43 slides in the guide groove 27, whereby the female connector 12 and the male connector 14 are guided to the proper fitting position.

  At this time, the female terminal 11 is accommodated in the terminal accommodating chamber 24 of the connector main body 22, and when the female connector housing 21 and the male connector housing 41 are fitted, the connection portion 71 of the female terminal 11 becomes the connection portion of the male terminal. (Not shown).

  Further, the waterproof plug 25 is accommodated in the waterproof plug accommodation chamber 26 of the connector body 22 (see FIG. 2). When the front holder 30 contacts the inner wall (inside the ring) of the waterproof plug 25, one side of the front holder 30 is held by the waterproof plug 25.

  The male tab 44 provided inside the male connector housing 41 is fitted to the other side of the front holder 30 (the side facing the waterproof plug 25) at the approximate center in the fitting direction of the female connector 12 and the male connector 14. (See FIG. 2).

  The end of the lock connector 31 provided on the female connector housing 21 on the male connector 14 side rides on the upper part of the lock projection 47 provided on the male connector housing 41, and the lock arm 31 is bent upward and deformed. .

  When the female connector 12 and the male connector 14 are fitted to the proper fitting position, the lock protrusion 47 is inserted into the lock hole (not shown), and the bending deformation of the lock arm 31 is restored.

  At this time, since the end of the lock projection 47 on the male connector 14 side contacts with the female terminal 11 side of the lock arm 31, the female connector 12 and the male connector 14 cannot be detached from the fitted state. Retained.

  Further, the surface contact portion 46 formed on the fitting hood portion 42 comes into surface contact with the guide slope 28 formed on the outer hood portion 23, so that the outer hood portion 23 is directed from the hood contact portion 29 toward the opening. Expand.

  In this manner, the outer hood portion 23 of the female connector 12 is formed with the guide slope 28 that causes the outer periphery of the male connector 14 to come into surface contact and expands the outer hood portion 23, thereby reducing the gap between the connectors 1. Thus, it is possible to improve the regulating force between the connectors 1 due to vibration.

  Therefore, the connector 1 which improves the earthquake resistance between the connectors 1 by vibration can be provided.

  In this way, the connector 1 according to the embodiment of the present invention includes a female connector 12 in which the female terminal 11 of the electric wire terminal is accommodated and having the hood portion 23, and a male terminal of the electric wire terminal in which the female terminal 11 is accommodated. The connector 1 includes a male connector 14 that is fitted in a portion (outer hood portion) 23 and is connected to the female terminal 11 and the male terminal. The hood portion 23 of the female connector 12 includes the female connector 12 and the male connector 14. A guide slope 28 is formed in the back of the fitting direction of the connector 14 so that the outer periphery of the male connector 14 is in surface contact and the hood portion 23 is expanded.

  In the connector 1 according to the embodiment of the present invention, the female connector 12 is formed of a female connector housing 21, a connector main body 22 provided with a terminal accommodating chamber 24, and an outer hood portion 23 covering the connector main body 22, A guide slope 28 is formed on the inner wall of the outer hood portion 23.

  Furthermore, in the connector 1 according to the embodiment of the present invention, when the male connector 14 is fitted between the male connector housing 41 and the female connector 12, the fitting hood portion is inserted between the connector main body 22 and the outer hood portion 23. A surface contact portion 46 that is in surface contact with the guide slope 28 is formed on the outer periphery of the opening edge 45 of the fitting hood portion 42.

  According to the connector 1 according to the embodiment of the present invention, the outer hood portion 23 of the female connector 12 is formed with the guide slope 28 that causes the outer periphery of the male connector 14 to come into surface contact and expands the outer hood portion 23. Therefore, reducing the gap between the connectors 1 can improve the regulating force between the connectors 1 due to vibration.

  Further, since the outer hood portion 23 of the female connector 12 contacts the outer periphery of the male connector 14 by surface contact, the gap between the connectors 1 is reduced as compared with the case of contacting the outer periphery of the male connector 14 by point contact. Thereby, the movement between the connectors 1 at the time of vibration can be suppressed more.

  Therefore, the connector 1 which improves the earthquake resistance between the connectors 1 by vibration can be provided.

  Moreover, according to the connector 1 which concerns on embodiment of this invention, when the female connector 12 and the male connector 14 are fitted by the guide slope 28 being formed in the inner wall of the mantle hood part 23, the female connector 12 is fitted. And the male connector 14 can be prevented from rotating.

  Furthermore, according to the connector 1 according to the embodiment of the present invention, the gap between the connectors 1 is formed by forming the surface contact portion 46 in surface contact with the guide slope 28 on the outer periphery of the opening edge portion 45 of the fitting hood portion 42. It is possible to improve the regulating force between the connectors 1 due to vibration.

  In addition, since the guide slope 28 and the surface contact portion 46 of the outer hood portion 23 of the female connector 12 are in contact with each other by surface contact, the gap between the connectors 1 can be reduced as compared with the case of contact by point contact. For this reason, the movement between the connectors 1 at the time of vibration can be suppressed more.

  The connector according to the present invention has been described based on the illustrated embodiment. However, the present invention is not limited to this, and the configuration of each part can be replaced with any configuration having the same function. .

  For example, in the above-described embodiment of the present invention, the case where the guide rib 43 is formed in the lateral direction of the fitting hood portion 42 has been described. Of the longitudinal length and the lateral length of the fitting hood portion 42, When the length in the vertical direction is longer, it may be formed in the vertical direction.

  The present invention is extremely useful in providing a connector that improves seismic resistance between connectors due to vibration.

DESCRIPTION OF SYMBOLS 1 Connector 11 Female terminal 12 Female connector 14 Male connector 21 Female connector housing 22 Connector main body 23 Outer hood part 24 Terminal accommodation room 25 Waterproof stopper 26 Waterproof stopper accommodation room 27 Guide groove 28 Guide slope 29 Hood contact part 30 Front holder 31 Lock arm 41 male connector housing 42 fitting hood 43 guide rib 44 male tab 45 opening edge 46 surface contact portion 47 lock protrusion 71 connection portion 72 terminal waterproof plug 73 electric wire

Claims (3)

A female connector in which the female terminal of the electric wire terminal is accommodated and having a hood part; and a male connector in which the male terminal of the electric wire terminal is accommodated and fitted into the hood part of the female connector to connect the female terminal and the male terminal; A connector comprising:
The hood portion of the female connector is characterized in that a guide inclined surface is formed in the back in the fitting direction of the female connector and the male connector so that the outer periphery of the male connector is in surface contact and expands the hood portion. The connector according to claim 1,
The female connector is formed of a female connector housing, a connector main body provided with a terminal accommodating chamber, and an outer hood portion covering the connector main body, and the guide slope is formed on an inner wall of the outer hood portion. Connector. The connector according to claim 2,
The male connector is formed by a male connector housing and a fitting hood portion that is inserted between the connector main body and the outer hood portion when fitting with the female connector, and an opening edge portion of the fitting hood portion is formed. A connector having a surface contact portion in surface contact with the guide slope.

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