JP2011060426A - Connector - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a connector capable of achieving miniaturization by securing sufficient holding force without providing a terminal lance and a housing lance. <P>SOLUTION: The connector has an inner housing 4 in which a terminal 5 is contained in a terminal containing chamber 40, and an outer housing in which the inner housing 4 is contained. An opening part 42 for inserting the terminal which is opened perpendicularly to the longitudinal direction of the terminal 5 is provided in the terminal containing chamber 40, and a projecting part 54 and recessed part 43 to be mutually locked are provided on the terminal 5 and the inner surface 41 of the terminal containing chamber 40. The terminal 5 is inserted in the terminal containing chamber 40 perpendicularly to the longitudinal direction of the terminal 5 in such a manner to expand the opening part 42, the projecting part 54 and the recessed part 43 are mutually locked, and the inner housing 4 is inserted in the outer housing along the longitudinal direction of the terminal 5 to assemble the connector. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a connector used for connection between electronic devices.

  Various electronic devices are mounted on automobiles. Conventionally, wire harnesses have been used to connect these electronic devices. The wire harness is composed of an electric wire and a connector attached to the end of the electric wire. And the electronic device is connected by connecting the connector of this wire harness to the connector fixed to the case etc. of the electronic device.

  FIG. 32 is a cross-sectional view showing a conventional connector. As shown in FIG. 32, the connector 201 has a terminal 205 connected to the end of the electric wire 220 and a housing 204 in which the terminal 205 is accommodated. The electric wire 220 is a covered electric wire in which a core wire 220a is covered with an insulating coating 220b. Further, in the connector 201, a terminal lance 250 that is locked to the housing 204 is provided on the terminal 205 in order to fix the terminal 205 to the housing 204 (see Patent Document 1).

  In addition, as another connector, there is a connector in which a housing lance for locking the terminal to the terminal is provided in order to fix the terminal to the housing (see Patent Document 2). Furthermore, in connectors using small terminals, double locking is performed using a separate member such as a retainer provided separately from the terminal lance and the housing lance to prevent the terminals from coming out of the housing. Yes.

Japanese Patent Laid-Open No. 10-247543 JP 11-8008 A

  However, the conventional connector described above has the following problems. That is, the above-described terminal lance and housing lance need to have a certain length in order to have a spring property, and this has a problem that hinders connector miniaturization. In addition, the terminal lance has a certain degree to prevent permanent deformation in a direction in which the spring property is weakened by sliding on the inner surface of the housing when inserted into the housing along the longitudinal direction of the terminal. There is a problem that this is a factor that hinders connector miniaturization. Moreover, although the holding force of a terminal can be increased by performing double locking using another member such as the retainer described above, the provision of another member such as a retainer is a factor that hinders connector miniaturization. There was a problem.

  Accordingly, the present invention focuses on the above-described problems, and an object thereof is to provide a connector that can secure a sufficient terminal holding force without providing a terminal lance or a housing lance and can be miniaturized. To do.

  In order to achieve the above object, the invention described in claim 1 is a connector in which a terminal is accommodated in a terminal accommodating chamber of an inner housing, and the inner housing is accommodated in an outer housing. An opening for inserting a terminal opened in a direction intersecting with the longitudinal direction of the terminal is provided, and the terminal and the inner surface of the terminal accommodating chamber are provided with a convex portion and a concave portion that are locked to each other, The terminal is inserted into the terminal accommodating chamber in a direction that extends the opening and intersects with the longitudinal direction of the terminal, the protrusion and the recess are locked to each other, and the inner housing is connected to the terminal. The connector is assembled by being inserted into the outer housing along the longitudinal direction.

  The invention described in claim 2 is the invention described in claim 1, wherein the terminal is formed in a cylindrical shape, and the dimension in the width direction of the opening of the terminal accommodating chamber is the width direction of the terminal. It is characterized by being formed smaller than the dimension.

  According to a third aspect of the present invention, in the first or second aspect of the present invention, an electric wire connected to the terminal is pulled out from the terminal accommodating chamber and the outer housing along the longitudinal direction of the terminal. And having a pair of holders that are attached to the outer housing while sandwiching the electric wire therebetween in a direction intersecting with the longitudinal direction of the terminal.

  The invention described in claim 4 is applied to the entire outer surface of the pair of holders, the outer housing adjacent to the pair of holders, and the outer surfaces of the electric wires in the invention described in claim 3. It has a mold part formed by curing an uncured synthetic resin material.

  According to the first aspect of the present invention, the terminal receiving chamber is provided with an opening for inserting a terminal that opens in a direction intersecting the longitudinal direction of the terminal, and the inner surface of the terminal and the terminal receiving chamber. Are provided with a convex portion and a concave portion that are engaged with each other, and the terminal is inserted into the terminal accommodating chamber in a direction that intersects the longitudinal direction of the terminal so as to push the opening, and the convex portion Since the inner housing is inserted into the outer housing along the longitudinal direction of the terminal and assembled, the convex portion or the concave portion provided on the terminal is not deformed. This terminal can be inserted into the terminal accommodating chamber, and the positioning of the terminal and the retaining along the longitudinal direction of the terminal can be performed by the convex portion and the concave portion. Further, the structure in which the terminal is pushed into the terminal accommodating chamber can prevent the terminal from dropping out of the terminal accommodating chamber from the opening of the terminal accommodating chamber. Furthermore, since the outer housing covers the opening of the terminal accommodating chamber, it is possible to prevent the terminal from dropping out of the terminal accommodating chamber from the opening of the terminal accommodating chamber, and to reduce rattling of the terminal. Therefore, it is possible to provide a connector that can secure a sufficient terminal holding force and can be miniaturized without providing a terminal lance or a housing lance.

  According to the invention described in claim 2, the terminal is formed in a cylindrical shape, and the dimension in the width direction of the opening of the terminal accommodating chamber is smaller than the dimension in the width direction of the terminal. Therefore, with a simple structure, it is possible to prevent the terminal from dropping out of the terminal accommodating chamber from the opening of the terminal accommodating chamber after the terminal is inserted into the terminal accommodating chamber.

  According to the invention described in claim 3, the electric wire connected to the terminal is drawn out from the terminal accommodating chamber and the outer housing along the longitudinal direction of the terminal, and intersects the longitudinal direction of the terminal. Since the electric wire is sandwiched between each other in the direction and the holder is attached to the outer housing, the electric wire is fixed by the pair of holders to prevent the terminal from dropping out of the terminal accommodating chamber. it can.

  According to the invention described in claim 4, the uncured synthetic resin material applied to the entire outer surface of the pair of holders, the outer housing adjacent to the pair of holders, and the outer surfaces of the electric wires. Since it has the mold part formed by hardening, it is possible to reliably prevent the terminal from dropping out of the terminal accommodating chamber. Furthermore, the waterproofness of the terminal accommodating chamber can be improved.

It is a perspective view which shows the connector which concerns on one embodiment of this invention. FIG. 2 is a perspective view of an outer housing of the connector shown in FIG. 1. FIG. 3 is a plan view of the outer housing illustrated in FIG. 2. FIG. 2 is a perspective view of a shielded cable to which the connector shown in FIG. 1 is attached. It is a perspective view of the inner housing of the connector shown by FIG. It is sectional drawing along the AA line in FIG. It is a perspective view of the terminal of the connector shown by FIG. FIG. 8 is a plan view of the terminal shown in FIG. 7. It is explanatory drawing explaining the dimensional relationship of the inner housing and terminal which were shown by FIG. FIG. 10 is a plan view illustrating a state where the terminals illustrated in FIG. 9 are accommodated in the inner housing. It is a perspective view which shows the holder of the connector shown by FIG. It is the perspective view which looked at the holder shown by FIG. 11 from another angle. It is sectional drawing along the BB line in FIG. It is sectional drawing along CC line in FIG. It is explanatory drawing explaining the assembly method of the connector shown by FIG. 1, and is a figure which shows the state by which the sheath and metal foil of the shielded cable were stripped. FIG. 16 is an explanatory diagram for explaining a method of assembling the connector shown in FIG. 1 and showing a state in which a heat-shrinkable tube is put on the drain wire of the shielded cable shown in FIG. 15. It is explanatory drawing explaining the assembly method of the connector shown by FIG. 1, and is a figure which shows the state by which the terminal was attached to the covered electric wire and drain wire which were shown by FIG. It is explanatory drawing explaining the assembly method of the connector shown by FIG. 1, and is a figure explaining a mode that the terminal shown by FIG. 17 is inserted in the terminal storage chamber of an inner housing. FIG. 19 is a cross-sectional view of the terminal and the inner housing illustrated in FIG. 18. It is explanatory drawing explaining the assembly method of the connector shown by FIG. 1, and is a figure which shows the state by which the terminal shown by FIG. 18 was inserted in the terminal storage chamber of an inner housing. FIG. 21 is a cross-sectional view of the terminal and the inner housing illustrated in FIG. 20. It is explanatory drawing explaining the assembly method of the connector shown by FIG. 1, and is a figure explaining a mode that the inner housing shown by FIG. 20 is inserted in an outer housing. FIG. 23 is an explanatory diagram for explaining a method of assembling the connector shown in FIG. 1, and shows a state in which the inner housing shown in FIG. 22 is accommodated in the outer housing. It is explanatory drawing explaining the assembly method of the connector shown by FIG. 1, and is a figure which shows the state by which the covered electric wire and drain wire which were shown by FIG. 23 were pushed in the outer housing. It is explanatory drawing explaining the assembly method of the connector shown by FIG. 1, and is a figure explaining a mode that a pair of holder is attached to the outer housing and shield cable shown by FIG. FIG. 26 is an explanatory diagram for explaining a method of assembling the connector shown in FIG. 1 and showing a state in which a pair of holders are attached to the outer housing and the shield cable shown in FIG. 25. FIG. 27 is a cross-sectional view of an outer housing, an inner housing, a terminal, a shielded cable, and a pair of holders shown in FIG. 26. It is explanatory drawing explaining the assembly method of the connector shown by FIG. 1, the pair of holder shown by FIG. 27 and the vicinity of the said pair of holder are molded by the synthetic resin material, and also packing is attached to an outer housing It is a figure explaining a mode that it is made. It is explanatory drawing explaining the assembly method of the connector shown by FIG. 1, and is a figure which shows the connector assembled by attaching packing to the outer housing shown by FIG. FIG. 30 is a cross-sectional view of the connector shown in FIG. 29. It is explanatory drawing explaining the dimensional difference of the connector shown by FIG. 1, and the conventional connector. It is sectional drawing which shows the conventional connector.

  A connector according to an embodiment of the present invention will be described below with reference to FIGS.

  The connector 1 of the present invention is attached to the end of a shielded cable 2 as shown in FIG. As shown in FIG. 4, the shielded cable 2 includes a plurality of covered electric wires 20 and drain wires 21 as “electric wires”, a metal foil 22 that wraps the covered electric wires 20 and the drain wires 21, and the metal foil 22. And an insulating sheath 23 covering the outer periphery. The covered electric wire 20 is obtained by covering a core wire 20a with an insulating coating 20b. Further, the metal foil 22 shields electromagnetic waves such as noise and shields the covered electric wire 20 and the drain wire 21.

  The connector 1 is provided with a terminal 5 shown in FIGS. 7 and 8 to which the core wire 20a and the drain wire 21 of the covered electric wire 20 are connected, and a terminal accommodating chamber 40 in which the terminal 5 is accommodated. 2, the outer housing 3 in which the inner housing 4 is accommodated, the packing 8, the terminal housing chamber 40, and the covered electric wire 20 and the drain wire 21 drawn from the outer housing 3. That is, the pair of holders 6 shown in FIG. 11 to FIG. 13 that are sandwiched between the shield cables 2 and attached to the outer housing 3, the pair of holders 6, and the mold formed in the vicinity of the pair of holders 6. Part 7.

  The terminal 5 is obtained by pressing a metal plate or the like. As shown in FIGS. 7 and 8, the electrical connection portion 50 electrically connected to the terminal of the mating connector, and the covered wire 20 The wire connection part 51 connected to the core wire 20a and the drain wire 21 is integrally provided. Moreover, the electrical connection part 50 is formed in the cylindrical shape in which the rod-shaped terminal of the other party connector is inserted. In addition, the electric wire connecting portion 51 is connected to the electric connecting portion 50, and is erected from the bottom plate 52 that positions the core wire 20a and the drain wire 21 on the surface, and both ends in the width direction of the bottom plate 52, and the core wire 20a and the drain wire. A pair of crimping pieces 53 to be crimped to 21. In addition, ribs 53a are provided on the inner surfaces of the pair of crimping pieces 53 to prevent the core wire 20a and the drain wire 21 from coming off and to improve connection reliability. Further, a convex portion 54 that is convex toward the outside of the electrical connection portion 50 is provided on the bottom portion adjacent to the bottom plate 52 of the electrical connection portion 50. The convex portion 54 is formed by cutting and raising a part of the electrical connection portion 50. The terminal 5 in which the pair of crimping pieces 53 are crimped to the core wire 20a and the drain wire 21 has a cylindrical shape as a whole.

  Moreover, the arrow Z shown in FIG.1, FIG.7, FIG.8 etc. has shown the arrangement direction of the electrical connection part 50 and the electric wire connection part 51, and the longitudinal direction of the terminal 5. FIG. An arrow X is a direction orthogonal to the arrow Z and indicates the width direction of the terminal 5. An arrow Y is a direction orthogonal to the arrow Z and the arrow X, and indicates the height direction of the terminal 5.

  As shown in FIGS. 5 and 6, the inner housing 4 is formed in a block shape with an insulating synthetic resin, and is provided with a plurality of terminal accommodating chambers 40 in which the terminals 5 are accommodated. This terminal accommodating chamber 40 is opened in one direction of the terminal 5 in the longitudinal direction, that is, the arrow Z direction, and the terminal insertion opening 42 that opens in the direction intersecting the longitudinal direction of the terminal 5, that is, the arrow Y direction. Formed into a groove shape opened in three directions: an opening into which the terminal of the mating connector is inserted, and an opening from which the covered electric wire 20 and the drain wire 21 are opened in the opposite direction to the one direction. . The inner surface 41 of the terminal accommodating chamber 40 is formed in a curved shape along the outer surface of the terminal 5 formed in a cylindrical shape. Furthermore, the bottom of the inner surface 41 of each terminal accommodating chamber 40, that is, the bottom facing the opening 42, is provided with a recess 43 that is recessed from the inner surface 41 and engages with the protrusion 54 of the terminal 5. . Further, in the present embodiment, the terminal housing chamber 40 is provided in the inner housing 4 along the arrow X direction, and two stages are provided along the arrow Y direction.

  Further, as shown in FIGS. 9 and 10, the terminal accommodating chamber 40 is formed such that the dimension N in the width direction of the terminal insertion opening 42 is smaller than the dimension M in the width direction of the terminal 5. Further, the “dimension M in the width direction of the terminal 5” is a dimension along the arrow X direction at the center of the electric connecting portion 50 in the arrow Y direction. The portion with the largest width of the terminal accommodating chamber 40 is the central portion of the terminal accommodating chamber 40 in the arrow Y direction, and the dimension along the arrow X direction of this portion is larger than the dimension M in the width direction of the terminal 5. Slightly larger. Therefore, the terminal 5 is inserted into the terminal accommodating chamber 40 in the direction of the arrow Y in such a manner as to expand the terminal insertion opening 42. Further, since the terminal 5 is accommodated in the terminal accommodating chamber 40, the convex portion 54 of the terminal 5 is engaged with the concave portion 43 of the terminal accommodating chamber 40, and the terminal 5 is positioned. Further, the terminal 5 is prevented from coming out of the opening into which the terminal of the mating connector described above is inserted and the opening from which the covered wire 20 and the drain wire 21 are drawn out. That is, the terminal 5 is prevented from coming off along the longitudinal direction.

  Thus, in the present invention, the terminal 5 is formed in a cylindrical shape, and the dimension N in the width direction of the terminal insertion opening 42 of the terminal accommodating chamber 40 is smaller than the dimension M in the width direction of the terminal 5. Therefore, the terminal 5 can be prevented from dropping out of the terminal accommodating chamber 40 from the opening 42 of the terminal accommodating chamber 40 after the terminal 5 is inserted into the terminal accommodating chamber 40 with a simple structure. Further, the terminal 5 can be inserted into the terminal accommodating chamber 40 without deforming the convex portion 54 provided on the terminal 5. It is possible to prevent the terminal 5 from coming off along the longitudinal direction. Further, as shown in FIG. 27 and the like, the outer housing 3 covers the opening 42 of the terminal accommodating chamber 40, thereby preventing the terminal 5 from dropping out of the terminal accommodating chamber 40 from the opening 42 of the terminal accommodating chamber 40. At the same time, rattling of the terminal 5 can be reduced. Therefore, it is possible to obtain a connector 1 that can secure a sufficient holding force of the terminal 5 and can be reduced in size without providing a terminal lance or a housing lance.

  The outer housing 3 is made of an insulating synthetic resin. As shown in FIGS. 2, 3, and 14, the outer housing main body 30 in which the inner housing 4 is accommodated, and the outer housing main body 30 outside. And a hood part 31 provided in the unit.

  As shown in FIG. 14, the outer housing main body 30 extends in a cylindrical shape in the direction of arrow Z from the front surface of the connector 1, that is, a plate-like front plate 30a located on the mating connector side, and the outer edge of the front plate 30a. A cylindrical portion 30c, a projecting portion 30d extending in an arrow-like or annular manner in the directions of arrows X and Y from the end portion of the cylindrical portion 30c away from the front plate 30a, and a terminal accommodating chamber 40 provided on the front plate 30a. And a hole 30b communicating therewith. This hole 30 b is a hole through which the terminal of the mating connector passes through the terminal accommodating chamber 40. Further, the cylindrical portion 30c prevents the terminal 5 from dropping out of the terminal accommodating chamber 40 from the opening 42 of the terminal accommodating chamber 40 by covering the opening 42 of the terminal accommodating chamber 40 as described above, and the terminal 30c. Reduce the rattling of 5. A pair of holders 6 to be described later is attached to the projecting portion 30d.

  As shown in FIG. 14, the hood portion 31 includes a standing wall 31a that is erected in the form of a bowl or annulus in the directions of arrows X and Y from the cylindrical portion 30c, and an outer edge of the standing wall 31a toward the front plate 30a. And an outer cylindrical portion 31b extending in a cylindrical shape. The standing wall 31a is disposed at a position facing the protruding portion 30d along the arrow Z direction. Further, the housing of the mating connector is positioned between the outer cylinder portion 31b and the cylinder portion 30c.

  The inner housing 4 is inserted into the outer housing main body 30 along the arrow Z direction from the opening on the protruding portion 30d side. Further, the covered electric wire 20 and the drain wire 21 connected to the terminal 5 accommodated in the terminal accommodating chamber 40 are drawn out from the terminal accommodating chamber 40 and the outer housing main body 30 along the arrow Z direction.

  The packing 8 is formed in an annular shape by elastically deformable rubber or the like, and is attached to the outer peripheral surface of the cylindrical portion 30c. This packing 8 keeps the space between the outer peripheral surface of the cylindrical portion 30c and the inner peripheral surface of the housing of the mating connector waterproof, and waterproofs the inside of the cylindrical portion 30c and the housing of the mating connector.

  The pair of holders 6 are made of synthetic resin and are formed in the same shape. As shown in FIGS. 11 to 14, each holder 6 is connected to the outer peripheral surface contact portion 60 that contacts the outer peripheral surface of the protrusion 30d, and the outer peripheral surface contact portion 60, and the front portion 30a side of the protrusion 30d. A second contact portion 61 that contacts the surface of the inner surface of the inner housing 4, and a third contact portion that contacts the end surface of the inner housing 4 while contacting the surface of the protrusion 30d away from the front plate 30a. 62, a fourth contact portion 63 that is connected to the third contact portion 62, contacts the outer surface of the shielded cable 2, that is, the sheath 23, and protrudes in a rib shape from the inner surface of the fourth contact portion 63, A retaining rib 64 that bites into the sheath 23 to prevent the shielded cable 2 from coming off, a lock 66 (see FIG. 12) provided at one end of the outer peripheral surface contact portion 60, and the outer peripheral surface contact portion 60. Provided on the other end and provided on the other holder 6 The lock beak 65 to be engaged with the click 66, the integrally has. Further, three retaining ribs 64 are provided at intervals in the arrow Z direction. In addition, the outer peripheral surface contact portion 60, the second contact portion 61, and the third contact portion 62 described above are referred to as “projecting portion accommodating portions” in the present invention, and denoted by reference numeral 67. The protruding portion accommodating portion 67 positions the protruding portion 30d on the inner side.

  The pair of holders 6 are brought close to each other along the arrow Y direction, so that each lock beak 65 is locked to each lock 66 and fixed to each other. The pair of holders 6 sandwich the sheath 23 of the shielded cable 2 between the pair of fourth contact portions 63 in the direction of the arrow Y, and position the protruding portion 30d on the inner side of the protruding portion accommodating portion 67 so that the outer housing 3 Attached to. Further, the pair of third abutting portions 62 abuts against the end surface of the inner housing 4 to prevent the inner housing 4 from coming off from the cylindrical portion 30c.

  Thus, in the present invention, since the shield cable 2 is sandwiched between each other in the arrow Y direction and the holder 6 is attached to the outer housing 3, the shield cable 2 is attached by the pair of holders 6. By fixing, the terminal 5 can be prevented from dropping out of the terminal accommodating chamber 40. Further, it is possible to prevent the inner housing 4 from coming off from the cylindrical portion 30c. Therefore, it is possible to obtain a connector 1 that can secure a sufficient holding force of the terminal 5 and can be reduced in size without providing a terminal lance or a housing lance.

  Further, in the present invention, the pair of holders 6 are provided with the “projecting portion accommodating portion 67” that positions the outer peripheral surface of the outer housing 3, that is, the projecting portion 30d that projects in a direction intersecting the arrow Z direction from the cylindrical portion 30c. Therefore, the pair of holders 6 can be prevented from coming off in the arrow Z direction and coming off the outer housing 3.

  The mold part 7 is formed of hot melt resin as “synthetic resin material”. Further, the mold part 7 is formed by inserting the connector 1 and the end of the shielded cable 2 into a mold (not shown), pouring a molten hot melt resin into the mold, and curing the hot melt resin. Is formed. As shown in FIG. 1, FIG. 14, etc., the mold portion 7 includes a whole outer surface of the pair of holders 6, an outer surface of the outer housing 3 adjacent to the pair of holders 6, and a sheath adjacent to the pair of holders 6. 23 all around. Moreover, the mold part 7 is formed in such a shape as to fill a gap between the protruding part accommodating part 67 and the standing wall 31a. The outer housing 3, the pair of holders 6, and the shield cable 2 are fixed by the mold portion 7.

  As described above, in the present invention, the pair of holders 6 and the vicinity of the pair of holders 6 are molded by the mold part 7 and the outer housing 3, the pair of holders 6, and the shield cable 2 are fixed. The cable 2 can be fixed, and the terminal 5 can be reliably prevented from dropping out of the terminal accommodating chamber 40. Moreover, such a mold part 7 reinforces the fixing of the shield cable 2 by the pair of holders 6 and does not require a large bonding area, so that the connector 1 is not enlarged. Furthermore, the mold part 7 can prevent liquid such as water from entering the cylindrical part 30c from between the cylindrical part 30c and the pair of holders 6 and between the pair of holders 6 and the shielded cable 2, and the terminal accommodating chamber. The waterproofness of 40 can be improved.

  Further, in the present invention, since the mold part 7 is formed so as to fill the gap between the protruding part accommodating part 67 and the standing wall 31a, that is, the mold part 7 has the protruding part accommodating part 67 and the standing wall. Since it is formed so as to be caught in the gap between 31a, the adhesive strength between the outer housing 3 and the pair of holders 6 of the mold part 7 can be improved.

  In the present invention, since the three retaining ribs 64 provided on the holder 6 bite into the sheath 23 of the shielded cable 2, the shielded cable 2 can be securely fixed, and the mold portion 7 can be fixed. It is possible to prevent molten hot melt resin from flowing between the pair of holders 6 and the shield cable 2 when forming.

  Moreover, in this invention, since the mold part 7 is formed using hot-melt resin, the formation operation | work of the mold part 7 mentioned above, ie, a molding operation | work, can be performed easily.

  Next, a method for assembling the connector 1 will be described with reference to FIGS.

  First, the shielded cable 2, the terminal 5, the inner housing 4, the outer housing 3, the packing 8, and the pair of holders 6 are separately manufactured.

  Then, as shown in FIG. 15, a predetermined amount of the sheath 23 and the metal foil 22 at the end of the shielded cable 2 is peeled to expose the covered electric wire 20 and the drain wire 21. Subsequently, as shown in FIG. 16, the exposed portion of the drain wire 21 is covered with a heat shrinkable tube 24. Thereafter, a predetermined amount of the insulation coating 20b at the tip of the covered electric wire 20 is peeled to expose the core wire 20a. Similarly, a predetermined amount of the heat shrinkable tube 24 at the tip of the drain wire 21 is peeled to expose the conductor portion of the drain wire 21. Then, as shown in FIG. 17, the terminal 5 is crimped to the exposed conductor portions of the core wire 20 a and the drain wire 21.

  Then, as shown in FIGS. 18 to 21, the terminal 5 connected to the covered wire 20 and the drain wire 21 is inserted into the terminal accommodating chamber 40 in the direction of the arrow Y in such a manner as to push the opening 42 for inserting the terminal. Then, the convex portion 54 of the terminal 5 is locked to the concave portion 43 of the terminal accommodating chamber 40.

  Then, as shown in FIGS. 22 and 23, the inner housing 4 is inserted into the outer housing main body 30 along the arrow Z direction from the opening on the protruding portion 30d side. Subsequently, as shown in FIG. 24, the metal foil 22 and the sheath 23 are pushed into the outer housing body 30.

  Then, as shown in FIGS. 25 to 27, the pair of holders 6 are brought close to each other along the arrow Y direction so that the protruding portion 30 d and the shield cable 2 are sandwiched therebetween, and each lock beak 65 is connected to each lock 66. Are fixed to each other and attached to the outer housing 3. In this way, the shield cable 2 is held between the pair of holders 6.

  Then, the terminal of the connector 1 and the shield cable 2 to which the pair of holders 6 are attached in the state shown in FIG. 26 is inserted into the mold for forming the mold part, and the pair of holders 6 and the pair of holders are formed by hot melt resin. A mold part 7 is formed in the vicinity of 6.

  Finally, as shown in FIGS. 28 to 30, the packing 8 is attached to the outer peripheral surface of the cylindrical portion 30c, and the assembly of the connector 1 is completed.

  Further, as shown in FIG. 31, when comparing the dimensions of the connector 1 of the present invention and the conventional connector 201, the connector 1 of the present invention is a terminal without providing a terminal lance, a housing lance, a retainer or the like as described above. 5 is held by the inner housing 4, the dimension along the arrow Z direction can be made significantly smaller than the conventional connector 201 (see the dimension difference l in FIG. 31). Further, reference numeral 202 in FIG. 31 is a shielded cable composed of a plurality of electric wires 220 and sheaths, reference numeral 203 is an outer housing that houses a housing 204 (see FIG. 32), and reference numeral 206 is a shielded cable 202. It is the holder which clamped. Reference numeral 301 denotes a mating connector.

  In the above-described embodiment, the terminal 5 is provided with the convex portion 54 and the terminal accommodating chamber 40 is provided with the concave portion 43. However, in the present invention, the terminal is provided with the concave portion, and the terminal accommodating chamber is provided with the concave portion 43. The structure provided with the convex part may be sufficient.

  In the above-described embodiment, the mold part 7 is formed of a hot melt resin. However, in the present invention, a synthetic resin material other than the hot melt resin, for example, a thermosetting resin material is used. A mold part may be formed.

  Further, the above-described embodiments are merely representative forms of the present invention, and the present invention is not limited to the embodiments. That is, various modifications can be made without departing from the scope of the present invention.

1 Connector 3 Outer Housing 4 Inner Housing 5 Terminal 6 Holder 7 Molded Part 20 Covered Wire (Wire)
21 Drain wire (electric wire)
40 Terminal accommodating chamber 41 Inner surface 42 Opening portion 43 Concave portion 54 Convex portion

Claims (4)

In the connector in which the terminal is accommodated in the terminal accommodating chamber of the inner housing, and the inner housing is accommodated in the outer housing,
The terminal accommodating chamber is provided with an opening for inserting a terminal opened in a direction intersecting with the longitudinal direction of the terminal,
The terminal and the inner surface of the terminal accommodating chamber are provided with a convex portion and a concave portion that are locked to each other,
The terminal is inserted into the terminal accommodating chamber in a direction crossing the longitudinal direction of the terminal so as to expand the opening, and the convex part and the concave part are locked to each other, and the inner housing is connected to the terminal The connector is assembled by being inserted into the outer housing along the longitudinal direction of the connector.   2. The connector according to claim 1, wherein the terminal is formed in a cylindrical shape, and the dimension in the width direction of the opening of the terminal accommodating chamber is smaller than the dimension in the width direction of the terminal. .   An electric wire connected to the terminal is drawn out from the terminal accommodating chamber and the outer housing along the longitudinal direction of the terminal, and the electric wire is sandwiched between each other in a direction crossing the longitudinal direction of the terminal. The connector according to claim 1, further comprising a pair of holders attached to the outer housing.   A mold part formed by curing an uncured synthetic resin material applied to the entire outer surface of the pair of holders, the outer housing adjacent to the pair of holders, and the outer surface of the electric wire; The connector according to claim 3.

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