JP2012234635A - Connector - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a connector for exerting a good contact holding force with a simple constitution.SOLUTION: A connector 100 comprises a contact 110, a housing 120, a first restraining mechanism for restraining movement in a direction opposite to an insertion direction of the contact 110, a second restraining mechanism for restraining movement in the insertion direction of the contact 110, and a rotation restraining mechanism for restraining rotation mainly in the insertion direction of the contact 110. The first restraining mechanism comprises a housing engagement part 128, and a contact engagement part 115 engaged with the housing engagement part 128 by rotating the inserted contact 110.

Description

  The present invention relates to a connector.

  Conventionally, as shown in FIG. 12, the connection terminal 510 and the housing 520 that holds the connection terminal 510 are configured, and the connection terminal 510 has an axial positioning portion 515 that is a recess formed on the outer peripheral surface. The housing 520 includes a terminal receiving hole 522 for receiving the connection terminal 510, and a flexible axial engaging portion 528 that is formed in the terminal receiving hole 522 so as to be able to project and retract and engage with the axial positioning portion 515. 500 is known (for example, refer to Patent Document 1).

  In this conventional connector 500, when the connection terminal 510 is inserted into the terminal accommodation hole 522, the flexible axial engagement portion 528 is elastically deformed and elastically restored by being pressed by the insertion of the connection terminal 510. The axial positioning portion 515 and the axial engagement portion 528 are engaged with each other, and the movement of the connection terminal 510 with respect to the housing 520 toward the front side (right side in FIG. 12) is restricted.

JP 2010-114057 A

  However, in the conventional connector 500, since the movement restriction of the connection terminal 510 toward the front side in the insertion direction is performed by the flexible axial engagement portion 528, there is a problem that the holding force of the connection terminal 510 by the housing 520 is weak. there were.

  Therefore, the present invention solves the conventional problems, that is, an object of the present invention is to provide a connector that exhibits a good contact holding force with a simple configuration.

  The connector of the present invention has a housing having a housing portion, a contact inserted from the outside into the housing portion and held by the housing, and a movement in a direction opposite to the insertion direction of the contact housed in the housing. A first regulating mechanism for regulating, a second regulating mechanism for regulating movement of the contact accommodated in the housing in the insertion direction, and rotation about the insertion direction of the contact accommodated in the housing. A rotation restricting mechanism for restricting, and the first restricting mechanism includes a housing engaging portion formed on the housing, and the contact formed on the contact and rotating the contact inserted into the housing. The above-described problem is made up of the contact engaging portion that engages with the housing engaging portion. Resolve those were.

  The rotation restricting mechanism may function as the second restricting mechanism.

  The rotation restricting mechanism may include a caulking receiving portion formed in the housing and a caulking portion formed in the contact and received in the caulking receiving portion.

  The second restricting mechanism may include a flange receiving portion in which the crimp receiving portion is formed and a flange portion in which the crimping portion is formed.

  Further, the contact has a contact main body portion, the contact engaging portion is a protruding portion protruding outward from the contact main body portion, and the housing engaging portion is formed on a side surface facing the accommodating portion. A stepped portion formed and displaced from the inner side to the outer side of the housing portion from the near side to the far side of the housing in the insertion direction may be used.

  The contact has a contact main body, the contact engagement portion is a protrusion protruding outward from the contact main body, and the housing has a housing main body, and the housing engagement The part may be an end face located on the back side of the housing main body in the insertion direction.

  The housing includes a housing main body portion having an inner peripheral wall defining the housing portion, and a guide groove recessed in the inner peripheral wall of the housing main body portion along the insertion direction. The joining portion may be formed at a position displaced toward the circumferential direction of the housing portion at the back end portion of the guide groove in the insertion direction.

  The rotation restricting mechanism includes a caulking receiving portion formed in the housing and a caulking portion formed in the contact and received in the caulking receiving portion, and a front side end of the guide groove in the insertion direction. The part may be the caulking receiving part.

  In the present invention, there is provided a rotation restricting mechanism configured to engage the housing engaging portion and the contact engaging portion with each other by rotating the contact inserted into the housing, and to restrict the rotation of the contact. By having it, it is not necessary to give elasticity and flexibility to the housing engaging part and the contact engaging part, realizing a strong engagement between the housing engaging part and the contact engaging part, With a simple configuration, good contact holding force can be exhibited.

It is a perspective view which shows the connector which is 1st Example of this invention. It is explanatory drawing which shows a contact and a housing in sectional view. It is the top view which shows a contact, and sectional drawing of the contact seen in the arrow direction in the AA line position, the BB line position, and the CC line position. It is a partial sectional view showing the housing, and a sectional view of the housing viewed in the direction of the arrow at the DD line position, EE line position, and FF line position. It is explanatory drawing which shows the state in the middle of insertion of the contact with respect to a housing. It is explanatory drawing which shows the state which inserted the contact to the back side of the insertion direction with respect to the housing. It is explanatory drawing which shows the state which rotated the contact with respect to the housing from the state of FIG. It is a perspective view which shows the contact and housing which comprise the connector which is 2nd Example of this invention. It is a perspective view which shows the state which inserted the contact to the back side of the insertion direction with respect to the housing. FIG. 10 is a perspective view showing a state in which the contact is rotated with respect to the housing from the state of FIG. 9. FIG. 11 is a perspective view of a contact and a housing showing the state shown in FIG. 10 when viewed from different angles. It is sectional drawing which shows the conventional connector.

  Hereinafter, a plurality of embodiments of the connector of the present invention will be described with reference to the drawings.

  The “insertion direction” used in the following description means the direction in which the contact is inserted into the housing, and the “front side in the insertion direction” means the right side of the drawings shown in FIGS. Meaning, “back side in the insertion direction” means the left side of the drawings shown in FIGS. 2 to 11, and “radial direction” means the radial direction of the housing portion of the housing that houses the contacts, The “circumferential direction” means the circumferential direction of the housing portion of the housing that houses the contacts.

  First, the connector 100 which is 1st Example of this invention is demonstrated based on FIG. 1 thru | or FIG.

  The connector 100 is a socket connector fitted to a mating connector (not shown) configured as a plug connector, and as shown in FIG. 1, a conductive contact 110 and an insulating housing that holds the contact 110. 120 and a case 130 that encloses the contact 110 and the housing 120.

  The contact 110 is a socket contact for a power supply made of a copper alloy. As shown in FIG. 2, the contact main body 111, the socket 112, the insertion opening 113, the wire opening 114, and the contact engagement. It has a part 115, a flange part 116, and a crimping part 117.

  As shown in FIGS. 2 and 3, the contact main body 111 is formed in a cylindrical shape and has an outer peripheral surface having a circular cross section.

  As shown in FIG. 2, the socket part 112 is formed inside the contact main body part 111, and mating contact (not shown) configured as a plug contact when the connector 100 and the mating connector (not shown) are fitted together. ), And a spring member (not shown) or the like is accommodated, and this spring member (not shown) contacts and is connected to a counterpart contact (not shown).

  As shown in FIG. 2, the insertion opening 113 is an opening that is formed on the front side in the insertion direction of the socket part 112 and allows a mating contact (not shown) to be inserted therethrough.

  As shown in FIG. 2, the wire opening 114 is formed on the rear side in the insertion direction of the socket portion 112 and is an opening through which an electric wire (not shown) connected to the contact 110 is inserted. ) Are fixedly connected to the contacts 110 by soldering or screws.

  As shown in FIG. 2, the contact engaging portion 115 is formed so as to protrude radially outward from the outer peripheral surface of the contact main body portion 111 at the front end portion in the insertion direction of the contact main body portion 111. This is a portion that engages with the housing engaging portion 128 on the back side in the insertion direction with the contact 110 attached. As shown in FIG. 3, the contact engaging portions 115 are formed in two places at symmetrical positions on the outer periphery of the contact main body portion 111.

  As shown in FIG. 2, the flange portion 116 is formed on the rear side in the insertion direction of the contact main body portion 111.

  As shown in FIGS. 2 and 3, the caulking portion 117 is formed to protrude from the flange portion 116 outward in the radial direction.

  The housing 120 is molded from an insulating resin, and is integrally molded with the case 130 in this embodiment. The housing 120 and the case 130 may be formed separately and the housing 120 may be attached to the case 130.

  As shown in FIG. 2, the housing 120 includes a housing main body 121, a receiving portion 122, a contact insertion opening 123, a guide protrusion 124, an opening 125, a guide groove 126, and a caulking receiving portion 126a. , A movement allowing portion 127, a housing engaging portion 128, and a flange receiving portion 129.

  As shown in FIG. 2, the housing main body 121 is formed in a cylindrical shape. The inner peripheral wall of the housing main body 121 defines a housing portion 122 that houses the contact 110. The accommodating part 122 is formed in a circular cross section.

  As shown in FIG. 2, the contact insertion opening 123 is an opening that is formed on the front side of the accommodating portion 122 in the insertion direction and allows the contact 110 to be inserted therethrough.

  As shown in FIG. 2, the guide protrusion 124 protrudes radially inward from the inner peripheral wall of the housing main body 121 at the back end in the insertion direction of the housing main body 121. When mating with (not shown), it functions as an invitation part for guiding the mating contact (not shown) into the socket part 112. As shown in FIG. 4, a total of four guide protrusions 124 are formed every 90 ° in the circumferential direction. The opening size of the opening 125 for the counterpart contact (not shown) defined by the four guide protrusions 124 is set to a size that does not allow the contact 110 to be inserted.

  As shown in FIG. 2, the guide groove 126 is recessed in the inner peripheral wall of the housing main body 121 along the insertion direction, and guides the contact engaging portion 115 along the insertion direction when the contact 110 is attached to the housing 120. It is a part to do. As shown in FIG. 4, a total of two guide grooves 126 are formed at symmetrical positions on the inner peripheral wall of the housing main body 121. The front end of the guide groove 126 in the insertion direction functions as a caulking receiving portion 126a that receives the caulking portion 117 of the contact 110.

  As shown in FIG. 2, the movement allowing portion 127 is continuously provided from the back end portion in the insertion direction of the guide groove 126 toward the circumferential direction, and the contact engaging portion 115 is connected to the back end portion in the insertion direction of the guide groove 126. This is a part that allows movement in the circumferential direction. As shown in FIG. 4, each movement allowance portion 127 extends from the rear end portion in the insertion direction of the guide groove 126 toward both sides in the circumferential direction over the same angular range.

  The housing engaging portion 128 is a portion that engages with the contact engaging portion 115 in a state in which the contact 110 is attached to the housing 120, and the contact 110 moves in a direction opposite to the insertion direction. Is to regulate. In this embodiment, as shown in FIG. 2, the inner peripheral wall of the housing main body 121 is displaced from the inner side to the outer side in the radial direction from the near side to the far side in the insertion direction as a result of forming the movement allowance portion 127 described above. The step portion functions as the housing engaging portion 128.

  As shown in FIG. 2, the flange receiving portion 129 is recessed in the inner peripheral wall of the housing main body 121 at the front end in the insertion direction of the housing main body 121, and the flange portion is attached in a state where the contact 110 is attached to the housing 120. It is a part that receives a part of 116.

  The case 130 is molded from an insulating resin and is integrally molded with the housing 120. As shown in FIG. 1, the case 130 has a signal contact accommodating portion 131 that accommodates a signal contact (not shown) provided separately from the power supply contact 110.

  Next, a method for attaching the contact 110 to the housing 120 will be described with reference to FIGS.

  First, as shown in FIGS. 5 and 6, the contact 110 is inserted into the housing 120 to the back in the insertion direction in a state where the contact engaging portion 115 is disposed in the guide groove 126 and the contact 110 is guided in the insertion direction. To do.

  Here, in the state shown in FIG. 6, the flange portion 116 comes into contact with the flange receiving portion 129, and the front end portion in the insertion direction of the contact 110 does not come into contact with the guide protrusion portion 124 and the housing 120. Each part is dimensioned.

  Next, as shown in FIG. 7, the contact 110 is rotated in the circumferential direction with respect to the housing 120 so that the positions of the caulking portion 117 and the caulking receiving portion 126 a which is a part of the guide groove 126 coincide with each other in the circumferential direction. Let In this embodiment, a part of the guide groove 126 is used as the caulking receiving portion 126 a, but the caulking receiving portion 126 a may be provided at a position different from the guide groove 126.

  Here, in this embodiment, in the state shown in FIG. 7, the dimension of the movement allowance portion 127 in the circumferential direction is set so that the contact engaging portion 115 does not contact the circumferential side surface of the movement allowance portion 127. . However, in the state shown in FIG. 7, the contact engaging portion 115 is configured to abut on the circumferential side surface of the movement allowing portion 127, so that the position of the crimping portion 117 and the position of the crimping receiving portion 126 a in the circumferential direction are set. The rotation of the contact 110 may be restricted so as to match.

  Finally, the caulking part 117 is received in the caulking receiving part 126a by caulking the caulking part 117 from the near side to the back side in the insertion direction. That is, when the contact 110 is rotated by tilting the crimping portion 117 obliquely, the side surface of the crimping portion 117 comes into contact with the side wall of the crimping receiving portion 126a to prevent rotation.

  As described above, in this embodiment, the first restricting mechanism that restricts the movement of the contact 110 accommodated in the housing 120 in the direction opposite to the insertion direction is based on the housing engaging portion 128 and the contact engaging portion 115. The second restricting mechanism configured to restrict the movement of the contact 110 accommodated in the housing 120 in the insertion direction is composed of the flange portion 116 and the flange receiving portion 129, and the contact accommodated in the housing 120 A rotation restricting mechanism that restricts the rotation of 110 includes a caulking portion 117 and a caulking receiving portion 126a.

  In the connector 100 of the present embodiment obtained in this way, the housing engaging portion 128 and the contact engaging portion 115 are engaged with each other by rotating the contact 110 inserted into the housing 120. By being configured, it is not necessary to provide the housing engaging portion 128 and the contact engaging portion 115 with elasticity or flexibility, and strong engagement between the housing engaging portion 128 and the contact engaging portion 115 is achieved. With a simple configuration, good contact holding force can be exhibited.

  Further, in this embodiment, not only the housing engaging portion 128 and the contact engaging portion 115 constituting the first restricting mechanism described above, but also the flange portion 116 and the flange receiving portion 129 constituting the second restricting mechanism, Since the caulking portion 117 and the caulking receiving portion 126a constituting the mechanism do not need to have elasticity or flexibility, a good contact holding force can be obtained.

  Further, in the connector 100 according to the present embodiment, when the contact 110 is attached to the housing 120, an additional member such as an attachment member is not required, so that an increase in the number of parts can be avoided.

  Further, the attachment of the contact 110 to the housing 120 is achieved by a simple procedure including three steps of inserting the contact 110 into the housing 120, rotating the contact 110 with respect to the housing 120, and caulking the caulking portion 117 into the caulking receiving portion 126a. Therefore, the attachment of the contact 110 to the housing 120 can be achieved easily and simply.

In this embodiment, the mating part side (opening part 125 side) with the mating connector (not shown).
Since the contact 110 is inserted into the housing 120 from other locations (contact insertion opening 123), the contact 110 is inserted into the housing 120 from the fitting side (opening 125 side). It can be applied to a connector having a so-called closed entry structure that cannot be performed.

  Further, by using the front end portion of the guide groove 126 in the insertion direction as the caulking receiving portion 126a, it is possible to avoid the complexity of the structure of the housing 120 and reduce the manufacturing burden of the housing 120.

  Next, a connector 200 according to a second embodiment of the present invention will be described with reference to FIGS. In the description of the second embodiment, only differences from the first embodiment will be described.

  The connector 200 is a plug connector that is fitted to a mating connector (not shown) configured as a socket connector. As shown in FIG. 8, the conductive contact 210 and an insulating housing that holds the contact 210. 220, and a case (not shown) for housing the contact 210 and the housing 220. The specific form of the case (not shown) in the second embodiment is the same as that of the case 130 in the first embodiment shown in FIG.

  The contact 210 is a plug contact for power supply made of a copper alloy. As shown in FIGS. 8 to 11, the contact main body 211, the wire opening 214, the contact engaging portion 215, the flange portion 216, and the like. , And a caulking portion 217 and a plug portion 218.

  As shown in FIG. 8, the contact main body 211 has an outer peripheral surface having a circular cross section.

  As shown in FIG. 11, the wire opening 214 is formed on the rear side of the contact main body 211 in the insertion direction, and is an opening through which a wire (not shown) connected to the contact 210 is inserted. It has the same function as the opening 114.

  As shown in FIGS. 8 to 10, the contact engaging portion 215 is formed so as to protrude radially outward from the outer peripheral surface of the contact main body portion 211, and in a state where the contact 210 is attached to the housing 220. This is the part that engages with the mating part 228 on the back side in the insertion direction. The contact engaging portions 215 are formed in two places at symmetrical positions on the outer periphery of the contact main body portion 111.

  As shown in FIGS. 8 and 11, the flange portion 216 is formed on the rear side in the insertion direction of the contact main body portion 211.

  As shown in FIGS. 8 and 11, the caulking portion 217 is formed so as to protrude from the flange portion 216 outward in the radial direction.

  As shown in FIGS. 8 to 11, the plug portion 218 is further formed to protrude from the front end portion in the insertion direction of the contact body portion 211 toward the front side in the insertion direction.

  The housing 220 is molded from an insulating resin, and is integrally molded with a case (not shown) in this embodiment. The housing 220 and the case (not shown) may be formed separately and the housing 220 may be attached to the case (not shown).

  As shown in FIG. 8, the housing 220 includes a housing main body portion 221, a housing portion 222, a contact insertion opening (not shown), a guide groove 226, a caulking receiving portion (not shown), and a housing engaging portion. 228 and a flange receiving portion (not shown).

  As shown in FIGS. 8 to 11, the housing body 221 is formed in a cylindrical shape. The inner peripheral wall of the housing body 221 defines a housing portion 222 that houses the contact 210. The accommodating part 222 is formed in a circular cross section.

  The contact insertion opening (not shown) is an opening that is formed on the front side of the housing portion 222 in the insertion direction and allows the contact 210 to be inserted therethrough.

  As shown in FIG. 8, the guide groove 226 is recessed along the insertion direction in the inner peripheral wall of the housing main body 221, and guides the contact engagement portion 215 along the insertion direction when the contact 210 is attached to the housing 220. It is a part to do. Two guide grooves 226 are formed at symmetrical positions on the inner peripheral wall of the housing main body 221. The front end of the guide groove 226 in the insertion direction functions as a caulking receiving portion (not shown) that receives the caulking portion 217 of the contact 210.

  The housing engaging portion 228 is a portion that engages with the contact engaging portion 215 in a state where the contact 210 is attached to the housing 220. In the present embodiment, as shown in FIGS. 8 to 10, the rear end surface in the insertion direction of the housing body 221 functions as the housing engaging portion 228.

  A flange receiving portion (not shown) is recessed in the inner peripheral wall of the housing main body portion 221 at the front end in the insertion direction of the housing main body portion 221, and a part of the flange portion 216 is attached in a state where the contact 210 is attached to the housing 220. It is a site that accepts.

  The case (not shown) is formed from an insulating resin and is integrally formed with the housing 220. The case (not shown) has a signal contact accommodating portion (not shown) for accommodating a signal contact (not shown) provided separately from the power supply contact 210.

  Next, a method for attaching the contact 210 to the housing 220 will be described with reference to FIGS. 9 and 10.

  First, in a state where the contact engaging portion 215 is disposed in the guide groove 226 and the contact 210 is guided in the insertion direction, the contact 210 is inserted to the rear side in the insertion direction with respect to the housing 220 as shown in FIG.

  Here, in this embodiment, the flange portion 216 is configured to abut on a flange receiving portion (not shown) in the state shown in FIG.

  Next, as shown in FIG. 10, the contact 210 is rotated in the circumferential direction with respect to the housing 220 so that the positions of the crimping portion 217 and the crimping receiving portion (not shown) in the circumferential direction are matched.

  Finally, the caulking part 217 is received in the caulking receiving part (not shown) by caulking the caulking part 217 from the rear side to the front side in the insertion direction.

  As described above, in this embodiment, the first restricting mechanism that restricts the movement of the contact 210 accommodated in the housing 220 in the direction opposite to the insertion direction is based on the housing engaging portion 228 and the contact engaging portion 215. A second restricting mechanism configured to restrict the movement of the contact 210 accommodated in the housing 220 in the insertion direction is composed of a flange portion 216 and a flange receiving portion (not shown), and is accommodated in the housing 220. The rotation restricting mechanism for restricting the rotation of the contact 210 is composed of a crimping portion 217 and a crimping receiving portion (not shown).

  In the connector 200 of the present embodiment obtained in this way, the housing engaging portion 228 and the contact engaging portion 215 are engaged with each other by rotating the contact 210 inserted into the housing 220. By being configured, it is not necessary to provide the housing engaging portion 228 and the contact engaging portion 215 with elasticity or flexibility, and strong engagement between the housing engaging portion 228 and the contact engaging portion 215 is achieved. With a simple configuration, good contact holding force can be exhibited.

  Further, in this embodiment, not only the housing engagement portion 228 and the contact engagement portion 215 constituting the first restriction mechanism described above, but also a flange portion 216 and a flange receiving portion (not shown) constituting the second restriction mechanism. Also, with respect to the caulking portion 217 and the caulking receiving portion (not shown) constituting the rotation restricting mechanism, it is not necessary to provide elasticity and flexibility, so that a good contact holding force can be obtained.

  Further, in the connector 200 of the present embodiment, when the contact 210 is attached to the housing 220, an additional member such as an attachment member is not required, so that an increase in the number of parts can be avoided.

  Further, the attachment of the contact 210 to the housing 220 is simple by three steps of inserting the contact 210 into the housing 220, rotating the contact 210 with respect to the housing 220, and caulking the caulking portion 217 into the caulking receiving portion (not shown). Since this is achieved by the procedure, the attachment of the contact 210 to the housing 220 can be achieved easily and simply.

  In addition, by using the front end portion in the insertion direction of the guide groove 226 as a caulking receiving portion (not shown), the structure of the housing 220 can be avoided from being complicated, and the manufacturing burden of the housing 220 can be reduced.

  In the above-described embodiments, the number of contact engaging portions is two. However, the number of contact engaging portions is not limited and may be one or more. Further, the number of guide grooves may be set according to the number of contact engaging portions.

  In the above-described embodiments, the first restricting mechanism is described as being configured by the protruding contact engaging portion and the stepped contact engaging portion, but the specific aspect of the first restricting mechanism is the insertion. Any contact can be used as long as the contact inserted into the housing is rotated to the back side in the direction so that a part of the contact engages with a part of the housing. You may comprise a 1st control mechanism with the formed recessed part extended in the circumferential direction, and the projection part formed in the inner peripheral wall of a housing main-body part.

  In the above-described embodiment, the second restricting mechanism is described as being configured by a flange portion formed on the rear side in the contact insertion direction and a flange receiving portion formed on the front side in the housing insertion direction. The specific form of the second restricting mechanism may be any as long as a part of the contact engages with a part of the housing. For example, the front end of the contact in the insertion direction and one of the housings You may comprise a 2nd control mechanism with a part (guide protrusion part etc. in 1st Example).

  In the above-described embodiments, the rotation restricting mechanism has been described as being composed of a crimping portion formed on the contact and a crimping receiving portion formed on the housing. However, the specific aspect of the rotation restricting mechanism is not limited to the housing. Any device that regulates the rotation of the contact may be used. For example, the rotation of the contact with respect to the housing may be regulated using a stopper formed separately from the contact and the housing.

  In the above-described embodiments, the guide groove formed in the housing has been described as having an end on the front side in the insertion direction functioning as a caulking receiving portion, but the caulking receiving portion is formed in the housing separately from the guide groove. Also good.

  Further, in the above-described embodiment, the guide mechanism in the insertion direction between the housing and the contact has been described as being configured by the guide groove formed in the housing and the contact engaging portion formed in the contact. The specific mode of the guide mechanism is not limited to this. For example, the guide mechanism includes a groove formed on the outer peripheral surface of the contact main body along the insertion direction and a protrusion formed on the inner peripheral wall of the housing main body. A guide mechanism may be configured.

100, 200 ... Connector 110, 210 ... Contact 111, 211 ... Contact main body 112 ... Socket part 113 ... Insertion opening 114, 214 ... Electric wire opening 115, 215 .... Contact engaging parts 116, 216 ... Flange parts 117, 217 ... Caulking parts
218 ... Plug part 120, 220 ... Housing 121, 221 ... Housing body part 122, 222 ... Housing part 123 ... Contact insertion opening 124 ... Guide protrusion 125 ... Opening Numerals 126, 226 ... guide groove 126a ... caulking receiving part 127 ... movement allowing part 128, 228 ... housing engaging part 129 ... flange receiving part 130 ... case 131 ... signal Contact housing

Claims (9)

A housing having a housing portion, a contact inserted from the outside into the housing portion and held by the housing, and a first restriction mechanism for restricting movement of the contact housed in the housing in a direction opposite to the insertion direction A second restriction mechanism for restricting movement of the contact accommodated in the housing in the insertion direction; and a rotation restriction mechanism for restricting rotation of the contact accommodated in the housing around the insertion direction. With
The first restricting mechanism is engaged with the housing engaging portion by rotating the housing engaging portion formed on the housing and the contact formed on the contact and inserted into the housing. And a contact engaging portion.   The connector according to claim 1, wherein the rotation restricting mechanism functions as the second restricting mechanism.   3. The connector according to claim 2, wherein the rotation restricting mechanism includes a caulking receiving portion formed in the housing and a caulking portion formed in the contact and received in the caulking receiving portion. .   The connector according to claim 3, wherein the second restriction mechanism includes a flange receiving portion in which the caulking receiving portion is formed and a flange portion in which the caulking portion is formed. The contact has a contact body portion;
The contact engaging portion is a protrusion protruding outward from the contact main body portion,
The housing engaging portion is formed on a side surface facing the housing portion, and is a stepped portion that is displaced from the inside to the outside of the housing portion from the front side to the back side of the housing in the insertion direction. The connector according to any one of claims 1 to 4. The contact has a contact body portion;
The contact engaging portion is a protrusion protruding outward from the contact main body portion,
The housing has a housing body,
The connector according to any one of claims 1 to 4, wherein the housing engaging portion is an end surface located on a back side of the housing main body portion in the insertion direction. The housing includes a housing main body having an inner peripheral wall that defines the accommodating portion, and a guide groove recessed in the inner peripheral wall of the housing main body along the insertion direction.
The said housing engaging part is formed in the position displaced toward the circumferential direction of the said accommodating part in the back side edge part of the said guide groove in the said insertion direction. Connector described in. The rotation restricting mechanism includes a crimping receiving portion formed in the housing, and a crimping portion formed in the contact and received in the crimping receiving portion,
The connector according to claim 7, wherein a front side end portion of the guide groove in the insertion direction is the caulking receiving portion.   The connector according to claim 8, wherein the second restriction mechanism includes a flange receiving portion in which the caulking receiving portion is formed and a flange portion in which the caulking portion is formed.

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