JP2010146753A - Relay connector - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a relay connector to simply connect one wire to the other wire. <P>SOLUTION: This connector 100 is to connect a first contact 11 for connecting the terminal of one wire 1w to a second contact 12 for connecting the terminal of the other wire 2w. The connector 100 is provided with a rod-shaped first housing 21. The first housing 21 has a first housing chamber 211 and a second housing chamber 212. The first housing chamber 211 houses the first contact 11 with one end face opened. The second housing chamber 212 houses the second contact 12 with the other end face opened. In the first housing 21, the first storage chamber 211 is in communication with the second storage chamber 212, and the first contact 11 is engaged with the second contact 12 in its inside. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a relay connector. In particular, the present invention relates to a structure of a relay connector that connects electric wires without being fixed to a board, a panel, a frame or the like.

  Generally, the relay connector is configured such that the first connector and the second connector are fitted to each other. The first connector may include a first housing that holds a first contact that connects the terminal of one electric wire, and the second connector includes a second housing that holds a second contact that connects the terminal of the other electric wire. The first contact and the second contact, and the first housing and the second housing may be fitted to each other to electrically connect one electric wire and the other electric wire.

  As the above-described relay connector, there is disclosed a connector fitting structure that eliminates the backlash at the time of fitting between the female connector and the male connector and can clearly detect the completion of the fitting (for example, Patent Document 1).

  The relay connector according to Patent Document 1 is provided in the first housing by fitting a female connector having a connector terminal in the first housing and a male connector having a connector terminal in the second housing. The connector is configured such that the locking portion for locking is locked in a fitting lock hole provided in the second housing.

A boss projecting from the side wall of the first housing constituting the female connector is provided, and when the mating male connector is fitted to the female connector, the fitting provided on the second housing constituting the male connector is provided. The joint portion is elastically deformed by the boss portion, thereby eliminating a gap between the first housing and the second housing and obtaining a sense of moderation when fitted.
JP-A-9-306592

  In general, not only the relay connector disclosed in Patent Document 1, but also a relay connector electrically connects one electric wire and the other electric wire by fitting a pair of housings to each other. Also, a general relay connector is provided with a lock mechanism so that a pair of housings are not easily separated.

  Here, if the relay connector is configured to share a pair of housings, it is not necessary to provide a lock mechanism. If the relay connector is configured to share a set of housings, the work of attaching the contacts to each housing can be omitted. That is, a new relay connector that can easily connect one electric wire and the other electric wire is desired. The above can be said to be the subject of the present invention.

  The present invention has been made in view of such problems, and is a relay connector that electrically connects one electric wire and the other electric wire, and can easily connect one electric wire and the other electric wire. An object is to provide a relay connector.

  The present inventor has found that the above problem can be solved by adopting a configuration in which a set of contacts that can be fitted to a relay connector can be attached to a rod-shaped housing. Invented a new relay connector as described above.

  (1) A relay connector for connecting a first contact for connecting the terminal of one electric wire and a second contact for connecting the terminal of the other electric wire, wherein one end surface is opened to accommodate the first contact A first housing chamber having a rod-shaped first housing having an opening at the other end and a second housing chamber for housing the second contact, wherein the first housing includes the first housing chamber and the second housing chamber. A relay connector that communicates with the storage chamber and is internally fitted with the first contact and the second contact.

  The relay connector according to the invention of (1) connects the first contact and the second contact. The 1st contact has connected the terminal of one electric wire. Moreover, the 2nd contact has connected the terminal of the other electric wire.

  The relay connector according to the invention of (1) includes a rod-shaped first housing. The first housing has a first storage chamber and a second storage chamber. The first storage chamber opens one end surface of the first housing and stores the first contact. The second storage chamber opens the other end surface of the first housing and stores the second contact.

  The first housing communicates with the first storage chamber and the second storage chamber. The first contact and the second contact are fitted inside.

  Here, the electric wire may be composed of a conducting wire through which an electric current flows and a coating that insulates the conducting wire so that it does not come into contact with a human body. Either one of the combined “strands” can be included. Further, the electric wire may include a double wire (cable) that covers the pair of conductive wires so as not to short-circuit each other. One electric wire and the other electric wire may be different in type or the same type.

  Connecting the end of the electric wire may include an aspect in which the end of the electric wire is connected by crimping, and may include an aspect in which the end of the electric wire is connected by pressure welding. That is, the first and second contacts can include either a crimp contact or a pressure contact.

  The first contact and the second contact may both be a crimp contact, both may be a pressure contact, and either one may be a crimp contact or a pressure contact, any combination being within the scope of the present invention. included.

  The crimp contact may be provided with an insulation grip at its terminal end for holding the wire coating by crimping, and a conductor barrel for holding the wire conductor by crimping. The insulation grip and the conductor barrel can include either an open crimp barrel that is U-shaped before crimping or a closed crimp barrel that is closed before crimping.

  For example, the first contact may be a male contact that enters into the female contact and makes an electrical connection on its outer surface, and the male contact may include either a pin contact or a tab contact.

  On the other hand, the second contact may be a female contact that accepts a male contact and makes an electrical connection on its inner surface, and the female contact is connected to a cylindrical socket contact or tab contact that fits with the pin contact. Either one of the box-shaped receptacle contacts can be included.

  Note that the first contact and the second contact are distinguished for convenience, and the first contact may be a female contact, and the second contact may be a male contact. The first contact and the second contact may be a combination of a male contact and a female contact, and are not specified for the sake of convenience.

  The first and second contacts have conductivity. For example, the tab contact or the receptacle contact can be obtained by punching or bending a conductive metal plate to obtain a conductive contact having a desired shape. it can. For example, a copper alloy is preferably used as the contact in consideration of easiness of processing and conductivity, but the contact is not limited to the copper alloy.

  The first housing has an insulating property. The insulating housing may be a housing made of a non-conductive material, and a synthetic resin can be molded to obtain an insulating housing having a desired shape.

  The rod-shaped first housing can include a round bar-like shape, can include a square bar-like shape, and includes a mixed bar-like shape in which both ends are round bar-like and the central part is square-bar-like. be able to. The 1st housing can contain all what is the shape of a rod which forms the both end surfaces which go to the direction which is almost perpendicular to the extension direction and opposite.

  In the first storage chamber, one end surface of the first housing is opened, and the first contact is inserted into the opening to receive the first contact. Similarly, in the second storage chamber, the other end surface of the first housing is opened, and the second contact is inserted into this opening to receive the second contact.

  The first storage chamber or the second storage chamber may be a space including a place for holding or storing the first contact or the second contact, and includes a space formed inside the first housing. In the first storage chamber or the second storage chamber, all of the first contact or the second contact and a part of the electric wire are arranged by insertion, holding, storage, etc., and there is an appropriate storage space corresponding to the shape of the contact. Preferably it is formed.

  Storing the contact in the storage chamber can include a mode in which the contact is easily stored in the storage chamber, and it is easy to insert and fix the contact into the storage chamber, but the contact is removed from the storage chamber. It is possible to include a so-called “fitting-killing” mode, which is difficult to achieve, and to include a mode in which either the contact or the housing is provided with a lance to receive the contact in the receiving chamber.

  By storing the first contact or the second contact in the first storage chamber or the second storage chamber, the first and second contacts are physically and visually shielded so as not to contact a human body or the like. Alternatively, it is possible to insulate the first and second contacts so that they do not short-circuit with the metal member.

  The communication between the first storage chamber and the second storage chamber includes a mode in which the first storage chamber and the second storage chamber all communicate with each other without providing a partition that separates the first storage chamber and the second storage chamber. It is possible to include a mode in which an opening is provided in the partition wall that separates the first storage chamber and the second storage chamber, and a part of the first storage chamber and the second storage chamber communicate with each other.

  The first contact and the second contact being fitted inside includes, for example, a mode in which the tip end portion of the pin contact goes beyond the opening provided in the partition wall and is fitted into the socket contact accommodated in the counterpart accommodation chamber. It is possible to include a mode in which the tip end portion of the tab contact extends beyond the opening provided in the partition wall and fits into the receptacle contact accommodated in the counterpart accommodation chamber.

  When connecting one electric wire and the other electric wire in the conventional relay connector, one electric wire is incorporated in one housing, the other electric wire is incorporated in the other housing, and both connectors are connected.

  On the other hand, since the relay connector according to the invention of (1) is configured so as to share a set of housings, it is possible to at least halve the work of attaching contacts to the housings. Further, since the relay connector according to the invention of (1) is configured to share a set of housings, it is not necessary to provide a lock mechanism.

  Thus, the relay connector according to the invention of (1) is a relay connector that electrically connects one electric wire and the other electric wire, and can easily connect one electric wire and the other electric wire.

  (2) The first housing locks the first housing lance for locking the first contact housed in the first housing chamber and the second contact for housing the second contact housed in the second housing chamber. The relay connector according to (1), comprising two housing lances.

  The housing lance is a hook-shaped protrusion provided on the housing, and can fix the contact to the housing. For example, the first and second housing lances have a hook piece at the tip of an inclined piece inclined in a cantilever manner inside the first and second storage chambers, and are provided on the first and second contacts. The first and second contacts can be fixed to the first and second storage chambers by locking the collar piece in the hole or the locking piece. Instead of the housing lance, contact lances may be provided on the first and second contacts. For example, the first and second contacts can be fixed to the housing by locking the contact lances in locking holes provided in the housing. .

  The first and second contacts can be released from the first housing by deforming the first and second housing lances using a suitable tool. The housing lance can be quickly inserted into the contact and locked to prevent the contact from falling off.

  (3) The relay connector according to (1) or (2), wherein the first housing is continuously provided.

  In the relay connector according to the invention of (3), the first housings may be connected in a row, and the first housings may be connected in two rows so that the insertion directions of the first and second contacts are substantially parallel. The first housing may be arranged vertically and horizontally. In order to provide the housing lance and release the first and second contacts from the first housing, it is preferable to connect the first housing in a row or in two rows so that the housing lance becomes an outer wall.

  (4) A relay connector for connecting a third contact for connecting the end of one electric wire and a fourth contact for connecting the end of the other electric wire, and opening the one end face to accommodate the third contact A second housing having a third housing chamber, a rod-shaped second housing having a fourth housing chamber that opens the other end face and houses the fourth contact, and a partition that separates the third housing chamber from the fourth housing chamber And having one end projecting into the third housing chamber and connecting to the third contact, and the other end projecting into the fourth housing chamber and connecting to the fourth contact. Relay connector.

  The relay connector according to the invention of (4) connects the third contact and the fourth contact. The third contact connects the end of one electric wire. Moreover, the 4th contact has connected the terminal of the other electric wire.

  The relay connector according to the invention of (4) includes a rod-shaped second housing and a relay terminal. The second housing has a third storage chamber and a fourth storage chamber. The third storage chamber opens one end surface of the second housing and stores the third contact. The fourth storage chamber opens the other end surface of the second housing and stores the fourth contact.

  The relay terminal is disposed on a partition wall that separates the third storage chamber and the fourth storage chamber. Then, one end of the relay terminal protrudes into the third storage chamber and can be connected to the third contact. The other end of the relay terminal protrudes into the fourth storage chamber and can be connected to the fourth contact.

  In the relay connector according to the invention of (4), the first contact and the second contact are specified as the combination of the male contact and the female contact, whereas the combination of the contacts of both the third contact and the fourth contact There is a difference that is specified.

  For example, the third and fourth contacts can include either a cylindrical socket contact or a box-shaped receptacle contact. The third contact and the fourth contact may be socket contacts having different shapes, or may be socket contacts having the same shape. The third contact and the fourth contact may be receptacle contacts having different shapes, or may be receptacle contacts having the same shape.

  Further, one of the third contact and the fourth contact may be a socket contact and the other may be a receptacle contact. All the relay connectors comprising a combination of contacts that are female contacts are included in the invention of (3).

  For example, when both the third contact and the fourth contact are socket contacts, the relay terminal may have a pin shape or a post shape. The pin-shaped relay terminal may be press-fitted and fixed (arranged) into a partition wall separating the third storage chamber and the fourth storage chamber, and one end of the pin-shaped relay terminal protrudes into the third storage chamber, Can be connected to the third contact. Further, the other end of the pin-shaped relay terminal protrudes into the fourth storage chamber and can be connected to the fourth contact.

  On the other hand, when both the third contact and the fourth contact are receptacle contacts, the relay terminal may have a flat plate shape or a blade shape. The flat relay terminal may be press-fitted and fixed (arranged) into a partition wall separating the third storage chamber and the fourth storage chamber, and one end of the blade-shaped relay terminal protrudes into the third storage chamber, Can be connected to the third contact. Further, the other end of the blade-like relay terminal protrudes into the fourth storage chamber and can be connected to the fourth contact.

  Since the relay connector according to the invention of (4) is configured to share a set of housings, the work of attaching the contacts to the housing can be at least halved. In addition, the relay connector according to the invention of (4) is configured to share a set of housings, so that it is not necessary to provide a lock mechanism.

  Thus, the relay connector according to the invention of (4) is a relay connector that electrically connects one electric wire and the other electric wire, and can easily connect one electric wire and the other electric wire.

  (5) The second housing locks the third housing lance for locking the third contact housed in the third housing chamber and the fourth contact housed in the fourth housing chamber. The relay connector according to (4), further comprising: 4 housing lances.

  (6) The relay connector according to (4) or (5), wherein the second housing is continuously provided.

  In the relay connector according to the invention of (6), the second housing may be connected in a row, and the second housing may be connected in two rows so that the insertion directions of the third and fourth contacts are substantially parallel. The second housing may be arranged vertically and horizontally. In order to provide the housing lance and release the third and fourth contacts from the second housing, it is preferable to connect the second housing in a row or in a row so that the housing lance becomes an outer wall.

  (7) It further includes a cylindrical first waterproof case that accommodates the first housing, and the first waterproof case has a first opening in which one end surface is opened and the first contact can be inserted, and one end portion A first male screw portion provided on the outer periphery, a second opening in which the other end surface is opened and the second contact can be inserted, and a second male screw portion provided on the outer periphery of the other end portion, and the one electric wire is A first seal ring that seals the covering of the one electric wire and seals the first opening, and a first screw that is screwed into the first male screw portion to closely contact the first seal ring with the first opening. A cap, and the other electric wire is screwed into the second male screw portion and the second seal ring that seals the covering of the other electric wire and seals the second opening. A second cap for closely attaching the seal ring to the second opening; With (1) or (2) relay connector according.

  The relay connector according to the invention of (7) further includes a cylindrical first waterproof case that houses the first housing. The first waterproof case has a first opening and a first male screw portion. The first waterproof case has a second opening and a second male screw portion.

  In the first opening, one end surface of the first waterproof case is opened so that the first contact can be inserted. The first male screw portion is provided on the outer periphery of one end portion of the first waterproof case. In the second opening, the other end surface of the first waterproof case is opened so that the second contact can be inserted. The second male screw portion is provided on the outer periphery of the other end portion of the first waterproof case.

  In the relay connector according to the invention of (7), one electric wire has a first seal ring and a first cap. The first seal ring seals the covering of one electric wire and seals the first opening. The first cap is threadedly engaged with the first male threaded portion to bring the first seal ring into close contact with the first opening.

  Furthermore, in the relay connector according to the invention of (7), the other electric wire has a second seal ring and a second cap. The second seal ring seals the coating of the other electric wire and seals the second opening. The second cap is threadedly engaged with the second male screw portion to closely contact the second seal ring with the second opening.

  In the relay connector according to the invention of (7), the relay connector according to the invention of (1) or (2) can be a waterproof connector.

  (8) The one electric wire is a first clamp ring that is attached to the first seal ring and has a plurality of slits on the outer periphery, and the inner periphery when the first cap is screwed onto the first male screw portion. And a first clamp ring for tightly attaching the first seal ring to the covering of the one electric wire, and the other electric wire is attached to the second seal ring and has a plurality of slits on the outer periphery. A second clamp ring, wherein when the second cap is screwed into the second male threaded portion, the inner circumference is reduced and the second seal ring is brought into close contact with the coating of the other electric wire. The relay connector according to (7), further comprising:

  (9) It further includes a cylindrical second waterproof case that accommodates the second housing, and the second waterproof case has a third opening in which one end surface is opened and the third contact can be inserted, and one end portion A third male screw portion provided on the outer periphery, a fourth opening in which the other end surface is opened and the fourth contact can be inserted, and a fourth male screw portion provided on the outer periphery of the other end portion, and the one electric wire is A third seal ring that seals the covering of the one electric wire and seals the third opening; and a third seal ring that is screwed into the third male screw portion to bring the third seal ring into close contact with the third opening. A cap, and the other electric wire is screwed into the fourth male screw portion and a fourth seal ring that seals the covering of the other electric wire and seals the fourth opening. A fourth cap for bringing a seal ring into close contact with the fourth opening; With (4) or (5) a relay connector according.

  The relay connector according to the invention of (9) further includes a cylindrical second waterproof case that houses the second housing. The second waterproof case has a third opening and a third male screw portion. The second waterproof case has a fourth opening and a fourth male screw portion.

  In the third opening, one end surface of the second waterproof case is opened, and the third contact can be inserted. The third male screw portion is provided on the outer periphery of one end portion of the second waterproof case. In the fourth opening, the other end surface of the second waterproof case is opened, and the fourth contact can be inserted. The fourth male screw portion is provided on the outer periphery of the other end portion of the second waterproof case.

  In the relay connector according to the invention of (9), one electric wire has a third seal ring and a fourth cap. The third seal ring seals the coating of one electric wire and seals the third opening. The third cap is screwed into the third male screw portion to bring the third seal ring into close contact with the third opening.

  Furthermore, in the relay connector according to the invention of (9), the other electric wire has a fourth seal ring and a fourth cap. The fourth seal ring seals the coating of the other electric wire and seals the fourth opening. The fourth cap is threadedly engaged with the fourth male screw portion to bring the fourth seal ring into close contact with the fourth opening.

  In the relay connector according to the invention of (9), the relay connector according to the invention of (4) or (5) can be a waterproof connector.

  Since the relay connector according to the present invention is configured to share a set of housings, it is possible to at least halve the work of attaching the contacts to the housings. Moreover, since the relay connector according to the present invention is configured to share a set of housings, it is not necessary to provide a lock mechanism.

  Thus, the relay connector according to the present invention is a relay connector that electrically connects one electric wire and the other electric wire, and can easily connect one electric wire and the other electric wire.

  The best mode for carrying out the present invention will be described below with reference to the drawings.

  FIG. 1 is an exploded perspective view showing a first embodiment of a relay connector (hereinafter abbreviated as a connector) according to the present invention. FIG. 2 is a longitudinal sectional view of the connector according to the first embodiment. FIG. 3 is an exploded perspective view showing a second embodiment of the connector according to the present invention. FIG. 4 is a perspective view showing an appearance of the connector according to the second embodiment. FIG. 5 is an exploded perspective view showing a third embodiment of the connector according to the present invention. FIG. 6 is a perspective view showing an appearance of the connector according to the third embodiment.

[First Embodiment]
Initially, the structure of the connector by 1st Embodiment of this invention is demonstrated. Referring to FIG. 1 or FIG. 2, the connector 100 according to the first embodiment can connect the first contact 11 and the second contact 12. The 1st contact 11 has connected the terminal of one electric wire 1w. The second contact 12 connects the terminal of the other electric wire 2w.

  With reference to FIG. 1 or FIG. 2, the connector 100 includes a rod-shaped first housing 21. The first housing 21 has a first storage chamber 211 and a second storage chamber 212. The first storage chamber 211 opens one end surface of the first housing 21 and can store the first contact 11. The second storage chamber 212 opens the other end surface of the first housing 21 and stores the second contact 12.

  Referring to FIG. 2, the first housing 21 is provided with a partition wall 213 that separates the first storage chamber 211 and the second storage chamber 212. An opening 210 is provided in the partition wall 213, and the opening 210 communicates the first storage chamber 211 and the second storage chamber 212. The first contact 11 and the second contact 12 are fitted inside the first housing 21.

  Referring to FIG. 1 or FIG. 2, the first contact 11 is a male contact that enters the female contact and makes an electrical connection on the outer surface thereof, and is a tab contact having a blade-like tab 11a at the tip. ing. The first contact 11 is a crimp contact in which a conductor barrel 11b for holding the conductor of the electric wire 1w by crimping is provided at the terminal end.

  Also, referring to FIG. 1 or FIG. 2, the second contact 12 may be a contact that accepts a male contact and makes an electrical connection on the inner surface thereof, and has a box-shaped connection portion 12a connected to the tab 11a. The receptacle contact is provided. The second contact 12 is a crimp contact in which a conductor barrel 12b for holding the conductor of the electric wire 2w by crimping is provided at the terminal end.

  Referring to FIG. 1 or FIG. 2, the first housing 21 has a first housing lance 21a and a second housing lance 22a. The first housing lance 21 a can lock the first contact 11 housed in the first housing chamber 211. The second housing lance 22a can lock the second contact 12 housed in the second housing chamber 212.

  Referring to FIG. 1 or FIG. 2, the first housing lance 21 a has a hook piece at the tip of an inclined piece inclined in a cantilever manner inside the first storage chamber 211. When the first contact 11 is inserted into the first storage chamber 211, the hook piece is locked to the locking piece 11 c provided on the first contact 11, and the first contact 11 can be held in the first storage chamber 211.

  Referring to FIG. 1 or FIG. 2, the second housing lance 22 a has a hook piece at the tip end portion of the inclined piece inclined in a cantilever manner inside the second storage chamber 212. When the second contact 12 is inserted into the second storage chamber 212, the collar piece is locked in the locking hole 12 c provided in the connecting portion 12 a, and the second contact 12 can be held in the second storage chamber 212.

  Next, the operation of the connector according to the first embodiment of the present invention will be described.

  Referring to FIG. 1 or 2, the first contact 11 accommodated in the first accommodation chamber 211 is connected to the connection portion 12 a accommodated in the second accommodation chamber 212 through the opening 210 provided in the partition wall 213 by the tab 11 a. It is mated.

  Referring to FIG. 1 or FIG. 2, the connector 100 according to the first embodiment of the present invention physically accommodates the first contact 11 and the second contact 12 in the first accommodation chamber 211 and the second accommodation chamber 212. In addition, the first contact 11 and the second contact 12 are shielded visually. And the connector 100 has the original function of the connector which insulates a contact so that it may not contact a human body etc., or it may contact a metal member and may not short-circuit.

  Since the connector 100 according to the first embodiment of the present invention is configured to share a set of housings, it is possible to at least halve the work of mounting contacts on the housings. Further, since the connector 100 according to the first embodiment of the present invention is configured to share a pair of housings, it is not necessary to provide a lock mechanism unlike a conventional relay connector.

  Thus, the connector 100 according to the first embodiment of the present invention is a relay connector that electrically connects one electric wire and the other electric wire, and can easily connect one electric wire and the other electric wire.

[Second Embodiment]
Next, the configuration of the connector according to the second embodiment of the present invention will be described. In the following description, components having the same reference numerals as those used in the description of the first embodiment have the same operation, and thus the description thereof may be omitted.

  Referring to FIG. 3 or 4, the connector 200 according to the second embodiment can connect the first contact 11 and the second contact 12. The 1st contact 11 has connected the terminal of one electric wire 1w. The second contact 12 connects the terminal of the other electric wire 2w.

  Referring to FIG. 3 or FIG. 4, the connector 200 includes a rod-shaped first housing 21. The connector 200 also includes a cylindrical first waterproof case 31 that houses the first housing 21.

  Referring to FIG. 3 or FIG. 4, the first waterproof case 31 has a first opening 31a and a first male screw portion 31b. The first waterproof case 31 has a second opening 32a and a second male screw portion 32b.

  Referring to FIG. 3 or FIG. 4, the first opening 31 a is configured such that one end surface of the first waterproof case 31 is opened and the first contact 11 can be inserted. The first male screw portion 31 b is provided on the outer periphery of one end portion of the first waterproof case 31. The second opening 32 a is opened at the other end surface of the first waterproof case 31 so that the second contact 12 can be inserted. The second male screw portion 32 b is provided on the outer periphery of the other end portion of the first waterproof case 31.

  Referring to FIG. 3 or FIG. 4, one electric wire 1 w has a first seal ring 41 and a first cap 51. The first seal ring 41 seals the covering of one electric wire 1w and seals the first opening 31a. The first cap 51 is screwed into the first male screw portion 31b to bring the first seal ring 41 into close contact with the first opening 31a.

  Referring to FIG. 3 or FIG. 4, the other electric wire 2 w has a second seal ring 42 and a second cap 52. The second seal ring 42 seals the covering of the other electric wire 2w and seals the second opening 32a. The second cap 52 is screwed into the second male screw portion 32b to bring the second seal ring 42 into close contact with the second opening 32a.

  Referring to FIG. 3, one electric wire 1 w has a first clamp ring 61. The first clamp ring 61 is provided with a plurality of slits 61a on the outer periphery. The first clamp ring 61 is attached to the first seal ring 41.

  In FIG. 3, when the first cap 51 is screwed into the first male screw portion 31b, the inner diameter of the first clamp ring 61 is reduced, and the first seal ring 41 is brought into close contact with the covering of one of the electric wires 1w. it can.

  Referring to FIG. 3, the other electric wire 2 w has a second clamp ring 62. The second clamp ring 62 is provided with a plurality of slits 62a on the outer periphery. The second clamp ring 62 is attached to the second seal ring 42.

  In FIG. 3, when the second cap 52 is screwed into the second male threaded portion 32b, the inner diameter of the second clamp ring 62 is reduced, and the second seal ring 42 is brought into close contact with the coating of the other electric wire 2w. it can.

  Next, the operation of the connector according to the second embodiment of the present invention will be described.

  The first waterproof case 31 shown in FIGS. 3 and 4 is formed in a cylindrical shape at the center, and the inside penetrates the first opening 31a and the second opening 32a. The first waterproof case 31 holds the first housing 21 so that the first housing 21 does not rotate in the circumferential direction and the first housing 21 does not easily move in the axial direction.

  In FIG. 3, the first contact 11 and the second contact 12 can be fitted inside by accommodating the first contact 11 and the second contact 12 in the first accommodation chamber 211 and the second accommodation chamber 212.

  In FIG. 3, when the first cap 51 is fastened to the first male screw portion 31b, the first seal ring 41 seals the first opening 31a and is in close contact with the covering of the one electric wire 1w. Further, when the second cap 52 is fastened to the second male screw portion 32b, the second seal ring 42 seals the second opening 32a and is in close contact with the other wire 2w.

  As described above, the connector 200 according to the second embodiment of the present invention uses the connector 100 as a waterproof connector that is difficult for liquid to enter.

[Third Embodiment]
Next, the configuration of the connector according to the third embodiment of the present invention will be described. In the following description, components having the same reference numerals as those used in the description of the first embodiment have the same operation, and thus the description thereof may be omitted.

  Referring to FIG. 5 or FIG. 6, the connector 300 according to the third embodiment can connect the third contact 13 and the fourth contact 14. The 3rd contact 13 has connected the terminal of one electric wire 1w. The fourth contact 14 connects the terminal of the other electric wire 2w. In addition, although the 3rd contact 13 and the 4th contact 14 are the same, the code | symbol is changed and distinguished for convenience of explanation.

  Referring to FIG. 5, the connector 300 includes a rod-shaped second housing 71 and a blade-shaped relay terminal 8. The second housing 71 has a third storage chamber 713 and a fourth storage chamber 714. The third storage chamber 713 opens one end surface of the second housing 71 and stores the third contact 13. The fourth storage chamber 714 opens the other end surface of the second housing 71 and stores the fourth contact 14.

  In FIG. 5, the outer appearance of the second housing 71 is shown in the upper stage, and the second housing 71 having a vertical cross section is shown in the lower stage. This is to make the structure of the second housing 71 easier to understand. The housing 71 is not composed of two.

  Referring to FIG. 5, the second housing 71 includes a partition wall 715 that separates the third storage chamber 713 and the fourth storage chamber 714. The relay terminal 8 is press-fitted into the partition 715 and fixed. One end 81 of the relay terminal 8 protrudes into the third storage chamber 713 and can be connected to the third contact 13. The other end 82 of the relay terminal 8 protrudes into the fourth storage chamber 714 and can be connected to the fourth contact 14.

  Referring to FIG. 5, the third contact 13 may be a contact that accepts a male contact and makes an electrical connection on the inner surface thereof. The third contact 13 is a box-shaped connection portion that is connected to one end portion 81 of the relay terminal 8. It is a receptacle contact provided with 13a. The third contact 13 is a crimp contact in which a conductor barrel 13b for holding the conductor of the electric wire 1w by crimping is provided at the terminal end.

  Referring to FIG. 5, the fourth contact 14 may be a contact that accepts a male contact and makes an electrical connection on the inner surface thereof, and is a box-shaped connection portion that is connected to the other end portion 82 of the relay terminal 8. It is a receptacle contact provided with 14a. The fourth contact 14 is a crimp contact in which a conductor barrel 14b for holding the conductor of the electric wire 2w by crimping is provided at the terminal end.

  Referring to FIG. 5, the second housing 71 has a third housing lance 73a and a fourth housing lance 74a. The third housing lance 73a can lock the third contact 13 housed in the third housing chamber 713. The fourth housing lance 74 a can lock the fourth contact 14 accommodated in the fourth accommodation chamber 714.

  Referring to FIG. 5, the third housing lance 73 a has a hook piece at the tip of an inclined piece inclined in a cantilever manner inside the third storage chamber 713. When the third contact 13 is inserted into the third storage chamber 713, the collar contact is locked in the locking hole 13 c provided in the third contact 13, and the third contact 13 can be held in the third storage chamber 713.

  Referring to FIG. 5, the fourth housing lance 74 a has a hook piece at the tip of an inclined piece inclined in a cantilever manner inside the fourth storage chamber 714. When the fourth contact 14 is inserted into the fourth storage chamber 714, the collar contact is locked in the locking hole 14 c provided in the fourth contact 14, and the fourth contact 14 can be held in the fourth storage chamber 714.

  Next, the operation of the connector according to the third embodiment of the present invention will be described.

  Referring to FIG. 5, the third contact 13 accommodated in the third accommodation chamber 713 can be fitted with the connecting portion 13 a to one end portion 81 of the relay terminal 8 protruding from the partition wall 715. On the other hand, in the fourth contact 14 accommodated in the fourth accommodation chamber 714, the connection portion 14 a can be fitted to the other end 82 of the relay terminal 8 protruding from the partition wall 715.

  The connector 300 according to the third embodiment of the present invention is specified as a combination of the male contact and the female contact of the first contact 11 and the second contact 12 by the connectors 100 and 200 according to the first and second embodiments. There is a difference that both the third contact 13 and the fourth contact 14 are specified as a combination of contacts.

  Referring to FIG. 5, the connector 300 according to the third embodiment of the present invention is physically and visually recognized by accommodating the third contact 13 and the fourth contact 14 in the third accommodation chamber 713 and the fourth accommodation chamber 714. In particular, the third contact 13 and the fourth contact 14 are shielded. And the connector 300 has the original function of the connector which insulates a contact so that it may not contact a human body etc., or it may contact a metal member and may not short-circuit.

  Since the connector 300 according to the third embodiment of the present invention is configured to share a set of housings, it is possible to at least halve the work of attaching the contacts to the housings. Further, since the connector 300 according to the third embodiment of the present invention is configured so as to share a set of housings, it is not necessary to provide a lock mechanism unlike a conventional relay connector.

  Thus, the connector 300 according to the third embodiment of the present invention is a relay connector that electrically connects one electric wire and the other electric wire, and can easily connect one electric wire and the other electric wire.

  Next, the configuration of the connector according to the third embodiment of the present invention will be further described. Referring to FIG. 5 or FIG. 6, the connector 300 includes a cylindrical second waterproof case 91 that houses the second housing 71. The second waterproof case 91 has a third opening 93a and a third male screw portion 93b. The second waterproof case 91 has a fourth opening 94a and a fourth male screw portion 94b.

  Referring to FIG. 5, one end surface of the second waterproof case 91 is opened in the third opening 93a so that the third contact 13 can be inserted. The third male screw portion 93 b is provided on the outer periphery of one end portion of the second waterproof case 91. The fourth opening 94a is opened at the other end surface of the second waterproof case 91 so that the fourth contact 14 can be inserted. The fourth male screw portion 94 b is provided on the outer periphery of the other end portion of the second waterproof case 91.

  Referring to FIG. 5 or FIG. 6, one electric wire 1 w has a third seal ring 43 and a third cap 53. The third seal ring 43 seals the covering of the one electric wire 1w and seals the third opening 93a. The third cap 53 is screwed into the third male screw portion 93b to bring the third seal ring 43 into close contact with the third opening 93a.

  Next, the operation of the connector according to the third embodiment of the present invention will be further described.

  The second waterproof case 91 shown in FIGS. 5 and 6 is formed in a cylindrical shape, and the inside thereof penetrates the third opening and the fourth opening 94a. The second waterproof case 91 holds the second housing 71 so that the second housing 71 does not rotate in the circumferential direction and the second housing 71 does not easily move in the axial direction.

  In FIG. 5, the third contact 13 and the fourth contact 14 are housed in the third housing chamber 713 and the fourth housing chamber 714, so that the third contact 13 and the fourth contact 14 are internally connected via the relay terminal 8. it can.

  In FIG. 5, when the third cap 53 is fastened to the third male screw portion 93b, the third seal ring 43 seals the third opening 93a. In addition, the 3rd seal ring 43 is always closely_contact | adhered to the coating | cover of one electric wire 1w. When the fourth cap 54 is fastened to the fourth male screw portion 94b, the fourth seal ring 44 seals the fourth opening 94a. In addition, the 3rd seal ring 43 is always closely_contact | adhered to the coating | cover of the other electric wire 2w.

  As described above, the connector 300 according to the third embodiment of the present invention is a waterproof connector in which liquid is difficult to enter the second housing 71.

1 is an exploded perspective view showing a first embodiment of a relay connector according to the present invention. It is a longitudinal cross-sectional view of the relay connector according to the first embodiment. It is a perspective exploded view which shows 2nd Embodiment of the connector for relay by this invention. It is a perspective view which shows the external appearance of the connector for relay by the said 2nd Embodiment. It is a perspective exploded view showing a third embodiment of a relay connector according to the present invention. It is a perspective view which shows the external appearance of the connector for relay by the said 3rd Embodiment.

Explanation of symbols

1w electric wire (one electric wire)
2w electric wire (the other electric wire)
11 First contact 12 Second contact 21 First housing 100 Connector (connector connector)
211 First storage room 212 Second storage room

Claims (9)

A relay connector for connecting a first contact for connecting the terminal of one electric wire and a second contact for connecting the terminal of the other electric wire,
A rod-shaped first housing having a first housing chamber that opens one end surface and houses the first contact, and a second housing chamber that opens the other end surface and houses the second contact;
The first housing is a relay connector in which the first storage chamber and the second storage chamber communicate with each other, and the first contact and the second contact are fitted inside.   The first housing includes a first housing lance that locks the first contact housed in the first housing chamber, and a second housing lance that latches the second contact housed in the second housing chamber. The relay connector according to claim 1, further comprising:   The relay connector according to claim 1, wherein the first housing is continuously provided. A relay connector for connecting a third contact for connecting the terminal of one electric wire and a fourth contact for connecting the terminal of the other electric wire,
A rod-like second housing having a third housing chamber that opens one end surface and houses the third contact, and a fourth housing chamber that opens the other end surface and houses the fourth contact;
The first storage chamber is disposed in a partition wall that separates the third storage chamber from the fourth storage chamber. One end of the third storage chamber protrudes into the third storage chamber and is connected to the third contact, and the other end is the fourth storage chamber. And a relay terminal that protrudes to connect to the fourth contact.   The second housing includes a third housing lance that locks the third contact housed in the third housing chamber, and a fourth housing lance that latches the fourth contact housed in the fourth housing chamber. The relay connector according to claim 4.   The relay connector according to claim 4 or 5, wherein the second housing is continuously provided. A cylindrical first waterproof case that houses the first housing;
The first waterproof case has a first opening in which one end surface is opened and the first contact can be inserted; a first male screw portion provided on an outer periphery of the one end; and the second contact in which the other end surface is opened. A second opening that is possible, and a second male screw provided on the outer periphery of the other end,
The one electric wire is
A first seal ring that seals the covering of the one electric wire and seals the first opening;
A first cap threadedly engaged with the first male threaded portion to bring the first seal ring into close contact with the first opening;
The other electric wire is
A second seal ring that seals the covering of the other electric wire and seals the second opening;
The relay connector according to claim 1, further comprising: a second cap that is screwed into the second male screw portion and causes the second seal ring to be in close contact with the second opening. The one electric wire is
A first clamp ring that is attached to the first seal ring and has a plurality of slits on the outer periphery thereof, and when the first cap is screwed into the first male screw portion, the inner periphery is reduced in diameter, and the first seal A first clamp ring for closely attaching the ring to the covering of the one electric wire;
The other electric wire is
A second clamp ring mounted on the second seal ring and provided with a plurality of slits on the outer periphery thereof, wherein when the second cap is screwed onto the second male screw portion, the inner periphery is reduced in diameter and the second seal The relay connector according to claim 7, further comprising a second clamp ring that closely attaches the ring to the covering of the other electric wire. A cylindrical second waterproof case for accommodating the second housing;
The second waterproof case has a third opening in which one end surface is opened and the third contact can be inserted; a third male screw portion provided on the outer periphery of the one end; and the fourth contact in which the other end surface is opened. A possible fourth opening, and a fourth male screw portion provided on the outer periphery of the other end,
The one electric wire is
A third seal ring that seals the covering of the one electric wire and seals the third opening;
A third cap that is screwed into the third male thread portion to bring the third seal ring into close contact with the third opening;
The other electric wire is
A fourth seal ring for sealing the covering of the other electric wire and sealing the fourth opening;
6. The relay connector according to claim 4, further comprising: a fourth cap that is screwed into the fourth male screw portion to closely contact the fourth seal ring with the fourth opening.

Images