JP2009117113A - Connector - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To downsize a connector equipped with a grounding terminal. <P>SOLUTION: The connector 10 is provided with terminal metal fittings 12 each connected with a coaxial cable W having a grounding wire, a housing 11 equipped with cavities 24 for the respective terminal fittings 12 to be inserted into from the rear, and a grounding terminal 13 capable of being press-fit from the rear into a grounding terminal mounting groove 29 fitted in the housing 11, and equipped with a terminal contact part 33 locking from the rear to and contacted with a stabilizer 17 in the terminal fitting 12 accompanying the press-fitting. The terminal contact part 33 of each grounding terminal 13 and the stabilizer 17 of each terminal fitting 12 are arranged back and forth in an axis direction of the terminal fitting 12. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a connector provided with a ground terminal.

Conventionally, what was described in following patent document 1 is known as an example of the connector provided with the earthing terminal for connecting the earthing wire contained in the electrical wiring of a motor vehicle to a body. As shown in FIG. 12, in this case, in the housing 1, two large terminals connected to the terminal of the shielded electric wire, one small terminal connected to the terminal of the covered electric wire, and both large terminals are provided. A ground terminal 2 that can be connected to a bracket fixed to the body is attached. In the housing 1, two large cavities 3 corresponding to the large terminals and one small cavity 4 corresponding to the small terminals are arranged side by side in the width direction, and below the large cavities 3. A ground terminal mounting groove 5 corresponding to the ground terminal 2 is arranged. Between each large cavity 3 and the ground terminal mounting groove 5, a terminal contact piece insertion groove 6 for inserting a terminal contact piece 2a capable of elastic contact with the large terminal of the ground terminal 2 is formed in communication with each other. ing.
JP 2000-21486 A

However, in the housing 1 described above, the large cavity 3 (large terminal), the terminal contact piece insertion groove 6 (terminal contact piece 2a), and the ground terminal mounting groove 5 (ground terminal 2) are vertically arranged, that is, the shaft of the large terminal. Since the structure is stacked in a direction perpendicular to the direction, the connector is enlarged in the same direction.
The present invention has been completed based on the above circumstances, and aims to reduce the size.

  The present invention includes a terminal fitting connected to an electric wire having a ground wire, a connector housing provided with a cavity into which the terminal fitting is inserted from the rear, and a ground terminal mounting groove provided in the connector housing from the rear. And a ground terminal having a terminal contact portion that is brought into contact with the contacted portion of the terminal fitting while being pressed from behind.

  In this way, when the ground terminal is press-fitted into the ground terminal mounting groove from behind while the terminal fitting is inserted into the cavity of the connector housing from the rear, the terminal contact portion from the rear with respect to the contacted portion of the terminal fitting. Contact while locking. Since the terminal contact part of the ground terminal and the contacted part of the terminal metal fitting are arranged side by side along the axial direction of the terminal metal fitting, the ground terminal is in the axial direction of the terminal metal fitting with respect to the terminal metal fitting as in the past. Compared with what becomes the positional relationship piled up about the orthogonal direction, it can keep small about the direction orthogonal to the said axial direction. Further, the ground terminal can be held by being press-fitted into the ground terminal mounting groove, so that the contact state with the terminal metal fitting can be kept good and the terminal metal fitting can be prevented from coming off.

The following configuration is preferable as an embodiment of the present invention.
(1) The cavities are at least two first cavities arranged side by side, at a position shifted in a direction perpendicular to the arrangement direction with respect to the first cavities, and at a position between both adjacent first cavities. A plurality of terminal contact portions corresponding to the first cavity and the second cavity, and the terminal contact portions are connected to each other by a connecting portion. It is assumed that they are connected. In this way, since the first cavity and the second cavity are arranged in a so-called staggered pattern, the portion of the ground terminal mounting groove in which the ground terminal is mounted is configured to accommodate the connecting portion in the first cavity and the second cavity. It can be installed using the installation space, and is suitable for downsizing.

(2) The first cavities and the second cavities are installed in directions opposite to each other in a direction orthogonal to the arrangement direction, and the terminal fittings inserted into the first cavities and the second cavities A configuration is adopted in which the contacted parts are arranged to face each other. If it does in this way, compared with the case where a 1st cavity and a 2nd cavity are installed in the same direction temporarily, the to-be-contacted part of the terminal metal fitting inserted in a 1st cavity, and the terminal metal fitting inserted in a 2nd cavity Since the distance to the contacted portion, that is, the connecting portion can be shortened, the ground terminal can be reduced in size.

(3) The terminal fitting is provided with a plate-like stabilizer that protrudes in a direction intersecting the axial direction thereof, the stabilizer being the contacted portion, and the terminal contact portion is a plate of the stabilizer. It is set as the form made into the form extended in the direction which cross | intersects a surface. In this way, the terminal contact portion can be brought into contact with the stabilizer while being reliably locked from the rear, and the retaining function and contact reliability can be improved.

(4) The grounding terminal is configured to be provided with a retaining piece that bites in while grounding the groove edge of the grounding terminal mounting groove with press-fitting. In this way, it is possible to improve the terminal metal fitting prevention function and the contact reliability.

  According to the present invention, downsizing can be achieved.

<Embodiment>
An embodiment of the present invention will be described with reference to FIGS. In this embodiment, the connector 10 attached to the bracket B fixed to the body (not shown) of a motor vehicle is shown. In the following, the insertion direction (right side in FIG. 4) of the terminal fitting 12 is the front, the reverse extraction direction (left side in FIG. 4) is the rear, and the vertical direction is based on FIG. 2 and FIG.

<Bracket>
First, the bracket B to which the connector 10 is attached will be described. The bracket B is made of a metal having conductivity, and has a horizontally long plate shape extending in a cantilevered manner from a place where it is fixed to the body, as shown in FIG. A lock hole Ba penetrating in the thickness direction is provided at a central position in the width direction near the tip of the bracket B. Further, the tip end of the bracket B is chamfered over the entire circumference in order to make the attachment of the connector 10 smooth.

<Outline of connector>
Next, the connector 10 will be described. As shown in FIGS. 2 and 4, the connector 10 includes a connector housing 11 (hereinafter simply referred to as the housing 11) and a plurality of connectors (this embodiment) attached to the housing 11 and connected to the end of the coaxial electric wire W (shielded wire). In this embodiment, three terminal fittings 12 and a ground terminal 13 that is attached to the housing 11 and electrically connects a part of the terminal fitting 12 and the bracket B are provided. The connector 10 is fitted and connected to a mating connector (not shown) while being attached to the bracket B.

<Coaxial wire>
The coaxial electric wire W to which the terminal fitting 12 is connected has a known structure including an inner conductor (core wire), an inner insulating layer, an outer conductor (braided wire), and an outer sheath concentrically in this order from the axial center side. Among these, the inner conductor constitutes a signal line of an electric circuit of the automobile, and the outer conductor constitutes a ground line of the electric circuit.

<Terminal fitting>
As shown in FIG. 1, the terminal fitting 12 has a substantially round shape (substantially circular shape) as viewed from the front (front), and is made of a conductive metal. As shown in FIG. 4, the terminal fitting 12 includes an inner conductor connecting portion (not shown) connected to the inner conductor of the coaxial cable W, and an outer conductor of the coaxial cable W arranged outside the inner conductor connecting portion. And an outer conductor connection portion 14 connected to the inner conductor connection portion 14 and an insulator (not shown) for interposing between the inner conductor connection portion and the outer conductor connection portion 14 to keep them in an insulated state. The outer conductor connecting portion 14 has a cylindrical shape and surrounds the main body portion 15 that surrounds the outer periphery of the inner conductor connecting portion over the entire circumference, and the wire connecting portion 16 that is crimped to the outer conductor exposed at the end of the coaxial cable W. It is assumed that it is connected to

  A pair of stabilizers 17 are provided at the rear end portion of the main body portion 15 in such a manner that the main body portion 15 is opened on the side opposite to the bottom plate 14 a side connected to the main body portion 15 and the wire connection portion 16. The stabilizers 17 are arranged in a pair of opposing positions at positions where the open portion at the rear end portion of the main body portion 15 is sandwiched, and project along the height direction (a direction perpendicular to the arrangement direction of the first cavities 24A described later). It is in the shape of a piece. The left-side stabilizer 17 shown in FIG. 1 is formed in a double shape by bending a plate piece while being folded back, and is wider than the other stabilizer 17. The distance (interval) between the outer surfaces of both stabilizers 17 is smaller than the outer diameter of the main body 15. A lance 25 of the housing 11, which will be described later, can enter the open portion of the main body portion 15. A lance locking portion 18 that can lock the lance 25 is provided at the front edge of the open portion of the main body portion 15, and this lance locking portion 18 is tapped so as to protrude radially outward from the main body portion 15. Has been issued. In addition, the inner conductor connecting portion is brought into conductive contact with a mating terminal on the mating connector (which constitutes a signal line of an automobile electric circuit) fitted to the connector 10. Moreover, the electric wire connection part 16 is equipped with the crimping piece one pair at the front and back.

<Housing>
The housing 11 is made of synthetic resin. As shown in FIG. 2, the housing 11 roughly includes a terminal accommodating portion 19 in which each terminal fitting 12 and the ground terminal 13 are accommodated, and a hood portion in which a mating connector (not shown) is fitted. 20 and a bracket attaching portion 21 to which the bracket B is attached. The hood portion 20 is formed in a substantially rectangular tube shape that protrudes forward from the terminal accommodating portion 19 and opens forward, and a fitting space in which the mating connector can be fitted from the front is secured. On the upper surface side of the terminal accommodating portion 19 and the hood portion 20, a lock arm 22 for holding the mating connector in a fitted state, and a lock arm 22 that is disposed opposite to both sides of the lock arm 22 and protects the lock arm 22. A pair of lock protectors 23 are provided.

<Terminal receiving part>
The terminal accommodating portion 19 is formed in a substantially block shape, and is provided with a cavity 24 in which the terminal fitting 12 can be inserted from the rear, and a ground terminal mounting groove 29 in which the ground terminal 13 can be press-fitted from the rear. Yes. Among these, the ground terminal mounting groove 29 will be described in detail later together with the ground terminal 13.

<Cavity>
The cavity 24 has a circular shape according to the outer shape of the main body 15 of the terminal fitting 12 and is formed in a hole shape penetrating the terminal accommodating portion 19 in the front-rear direction, so that the terminal fitting 12 can be inserted individually from the rear. ing. As shown in FIG. 4, a lance 25 is provided on the inner peripheral wall surface of the cavity 24 so that the lance 25 can be retained by being elastically locked to the lance locking portion 18 of the terminal fitting 12 to be inserted. It has been. The terminal fitting 12 secured by the lance 25 is held with the front portion of the main body portion 15 protruding into the fitting space (see FIG. 8).

<Lance>
The lance 25 is cantilevered and can be elastically deformed up and down along the height direction (direction perpendicular to the axial direction (insertion direction) of the terminal fitting 12). It is retracted in a bending space 26 formed at an adjacent position. At a position of the housing 11 facing the lance 25 with the bending space 26 therebetween, the lance 25 is engaged with the lance 25 at a stage before the lance 25 is excessively bent and deformed beyond the elastic limit. An excessive bending restricting portion 27 capable of restricting excessive bending is provided.

<Stabilizer insertion groove>
As shown in FIG. 2, a stabilizer insertion groove into which a stabilizer 17, which is a part partially protruding from the main body portion 15 of the terminal fitting 12, can be inserted at positions on both sides of the lance 25 on the inner peripheral wall surface of the cavity 24. 28 is formed in a form that opens in front and rear. Both the stabilizer insertion grooves 28 constitute a part of the cavity 24 and are arranged side by side in the width direction at a position sandwiching the lance 25. Both stabilizer insertion grooves 28 are arranged inward of the positions on both sides of the cavity 24, and the distance (interval) between the outer edges of the groove edges facing the lance 25 is smaller than the inner diameter dimension of the cavity 24. It has become. The stabilizer insertion groove 28 is configured to partially protrude from the circular cavity 24 toward the lance 25 along the height direction (a direction orthogonal to the arrangement direction of the first cavities 24A), and along the front-rear direction. It has an elongated groove shape that extends. Further, each stabilizer insertion groove 28 has a groove width adapted to the width dimension of the corresponding stabilizer 17.

<Cavity arrangement>
Two cavities 24 are arranged side by side in the width direction, and the height direction (vertical direction) with respect to the first cavity 24A, that is, the direction orthogonal to the axial direction and the alignment direction of the first cavities 24A. The second cavity 24B is arranged at a position shifted to the position. The first cavity 24 </ b> A is disposed on the upper stage side in the terminal accommodating portion 19, while the second cavity 24 </ b> B is disposed on the lower stage side in the terminal accommodating portion 19. The second cavity 24B is arranged at an intermediate position between the first cavities 24A adjacent in the width direction. Thereby, each cavity 24 is arrange | positioned in what is called a zigzag form, and the center position of each cavity 24 is located in the vertex of an equilateral triangle. Further, both the first cavities 24A and the second cavities 24B are arranged so as to partially overlap each other in the width direction (the arrangement direction of the first cavities 24A). The side ends on the second cavity 24B side and the both side ends of the second cavity 24B overlap each other in the width direction, in other words, are arranged vertically. When the cavity 24, the lance 25, and the stabilizer 17 are distinguished from each other on the first side (upper side) and the second side (lower side), the subscript A is added to the first side code, and the second side code is used. When the subscript B is added to the name and the collective name is given without distinction, the subscript is not added.

<Lance arrangement>
The first cavities 24A and the second cavities 24B described above are installed in directions opposite to each other in the height direction, so that each lance 25 has an inner wall surface of each cavity 24 as shown in FIG. It arrange | positions at the edge part by the side of the cavity 24 of an adjacent step. Specifically, the first lance 25A installed in the first cavity 24A on the upper stage side is located at the lower end position of the inner peripheral wall surface of the first cavity 24A, and the second lance 25B installed in the second cavity 24B on the lower stage side is The first lance 25 </ b> A and the second lance 25 </ b> B are arranged so as to face each other in the vertical direction. In other words, the first lance 25 </ b> A and the second lance 25 </ b> B are arranged so as to gather near the center of the terminal accommodating portion 19. In the first lance 25A and the second lance 25B, the bending direction is opposite, and the positional relationship is adjacent to the bending space 26 of the adjacent stage lance 25 in the width direction (overlapping in the vertical direction). is there. As a result, the arrangement efficiency of the lance 25 and the bending space 26 is improved, which is suitable for downsizing the housing 11.

<Arrangement of stabilizer insertion groove>
The stabilizer insertion groove 28 is disposed in the cavity 24 side portion of the adjacent step on the inner peripheral wall surface of the cavity 24 in the same manner as the lance 25 described above. Specifically, the first stabilizer insertion groove 28A installed in the first cavity 24A on the upper stage side is provided in the lower portion of the inner peripheral wall surface of the first cavity 24A, and the second stabilizer installed in the second cavity 24B on the lower stage side. The insertion grooves 28B are respectively arranged on the upper part of the inner peripheral wall surface of the second cavity 24B, and the first stabilizer insertion groove 28A and the second stabilizer insertion groove 28B are arranged to face each other in the vertical direction. In other words, the first stabilizer insertion groove 28 </ b> A and the second stabilizer insertion groove 28 </ b> B are arranged so as to gather closer to the center in the terminal accommodating portion 19. Of the pair of first stabilizer insertion grooves 28A, the first stabilizer insertion groove 28A near the second cavity 24B and the second stabilizer insertion groove 28B are arranged at positions shifted from each other in the width direction. Further, of the pair of first stabilizer insertion grooves 28 </ b> A, the left first stabilizer insertion groove 28 </ b> A shown in FIG. 2 and the right stabilizer insertion groove shown in FIG. 2 correspond to other stabilizers 17 corresponding to the wide stabilizer 17. It is formed wider than the insertion groove 28.

<Bracket mounting part>
As shown in FIGS. 3 and 5, the bracket mounting portion 21 is installed on a side surface in the height direction of the housing 11, and the bracket B mounted on the bracket mounting portion 21 is aligned with the plate surface in the vertical direction. It becomes the posture which was made to do. The bracket mounting portion 21 is formed in a bag shape that opens rearward, and its internal space is a bracket housing chamber 21a into which the bracket B can be inserted from the rear. The bracket mounting portion 21 is provided with a cantilevered bracket lock piece 21b that can be held in a locking state by being locked in the lock hole Ba of the bracket B to be inserted.

<Ground terminal>
Next, the ground terminal 13 and the ground terminal mounting groove 29 will be described sequentially. As shown in FIGS. 2, 6, and 7, the ground terminal 13 is formed in a predetermined shape by press-molding a conductive metal plate. The ground terminal 13 includes a body plate 30 having a terminal contact portion 33 that can contact the terminal fitting 12, a side plate 31 bent downward from an end portion of the body plate 30, and a bracket B extending backward from the side plate 31. And a bracket contact piece 32 that can come into contact with each other. The ground terminal 13 is press-fitted into the ground terminal mounting groove 29 from behind, and each terminal contact portion 33 of the main body 15 is in contact with the stabilizer 17 in each terminal fitting 12 while being locked from behind. It has come to be.

  The main body plate 30 includes a plurality (three in this embodiment) of terminal contact portions 33 that can be brought into contact with the terminal fittings 12 and a connecting portion 34 that connects the terminal contact portions 33 to each other. Each terminal contact portion 33 is configured to extend along the width direction when viewed from the rear, that is, along the direction in which the first cavities 24A are arranged (the direction perpendicular to the plate surface of the stabilizer 17). The connecting portions 34 are connected so as to extend along a direction orthogonal (crossing) to the arrangement direction of the first cavities 24A. Each terminal contact portion 33 is set so that the width dimension thereof is substantially the same as or slightly wider than the distance (interval) between the outer surfaces of both stabilizers 17 of the terminal fitting 12. Accordingly, each terminal contact portion 33 can be brought into contact with the stabilizers 17 of the corresponding terminal fitting 12 while being collectively locked. Each terminal contact portion 33 has an elongated plate shape extending in the front-rear direction (the axial direction of the terminal fitting 12), and its length dimension is the rear end position of the stabilizer 17 in a state where the terminal fitting 12 is inserted into the housing 11. And the distance (interval) between the rear end position of the housing 11 substantially coincides.

  The terminal contact portion 33 includes two first terminal contact portions 33A corresponding to the terminal fitting 12 inserted into the first cavity 24A, and one piece corresponding to the terminal fitting 12 inserted into the second cavity 24B. The first terminal contact portion 33A and the second terminal contact portion 33B are arranged so as to be shifted in the height direction. When the terminal contact portion 33 is distinguished between the first side and the second side, the subscript A is added to the first side code, and the subscript B is added to the second side code, without distinguishing them. When referring generically, no suffix will be added to the reference numerals.

  The first terminal contact portion 33A is disposed at both ends of the main body plate 30 in the width direction, whereas the second terminal contact portion 33B is a central position of the main body plate 30 at a position between the first terminal contact portions 33A. It is arranged in. Of the first terminal contact portions 33A, the end portion near the center of the main body plate 30 and the end portion of the second terminal contact piece are connected by a connecting portion 34, respectively. The first terminal contact portion 33A is disposed on the relatively upper side corresponding to the first stabilizer insertion groove 28A, while the second terminal contact portion 33B is relatively lower corresponding to the second stabilizer insertion groove 28B. It is arranged on the side.

  Further, the side plate 31 is formed in a form extending along the height direction by bending a plate piece protruding from the rear end portion at the side edge of the main body plate 30 at a substantially right angle. The side plate 31 has an elongated piece shape along the height direction, and a bracket contact piece 32 is provided to extend forward from its front edge. The bracket contact piece 32 is formed in a cantilever shape in which the rear end side is a base end and the front end side is a free end, and has a gentle substantially chevron shape having a vertex portion (contact point with the bracket B) in the middle. On the side plate 31, a retaining piece 35 protruding toward the main body plate 30 is formed by cutting and raising.

<Ground terminal mounting groove>
As shown in FIGS. 2, 4, and 5, the ground terminal mounting groove 29 is formed in a groove shape that opens rearward in the terminal accommodating portion 19, and has a shape that conforms to the outer shape of the ground terminal 13. The groove width is set to be substantially the same as or slightly smaller than the plate thickness of the ground terminal 13. The ground terminal mounting groove 29 has a configuration in which a main body plate housing portion 36 in which the main body plate 30 is housed and a side plate housing portion 37 that extends along the height direction and in which the side plate 31 is housed.

  The front end position of the main body plate accommodating portion 36 is set to be substantially the same as or slightly ahead of the rear end position of the stabilizer 17 in a state where the terminal fitting 12 is inserted into the housing 11. The main body plate accommodating portion 36 is configured such that a terminal contact portion accommodating portion 38 in which each terminal contact portion 33 is accommodated in the main body plate 30 and a connecting portion accommodating portion 39 in which each connecting portion 34 is accommodated. . The terminal contact portion accommodating portion 38 is formed so as to cross each stabilizer insertion groove 28 by cutting out the groove edge of each stabilizer insertion groove 28 along the width direction, and communicates with each stabilizer insertion groove 28. The terminal contact portion accommodating portion 38 is disposed at a position away from the groove bottom in each stabilizer insertion groove 28 in the height direction. Therefore, the terminal contact portion 33 accommodated in the terminal contact portion accommodating portion 38 can surely enter the stabilizer insertion groove 28 and be locked to the stabilizer 17 from the rear.

  On the other hand, the connection part accommodating part 39 is made into the form extended along a height direction while connecting the edge parts of each terminal contact part accommodating part 38. FIG. The connecting portion accommodating portion 39 is located between the first cavity 24A and the second cavity 24B in the height direction and the width direction, and is within the height and width dimensions of the first cavity 24A and the second cavity 24B. And does not protrude from the first cavity 24A and the second cavity 24B to the outside in the radial direction of the terminal accommodating portion 19. That is, it can be said that the connecting portion accommodating portion 39 is installed using the installation space of the first cavity 24A and the second cavity 24B in the terminal accommodating portion 19.

  Further, the side plate accommodating portion 37 is disposed at a position adjacent to the bracket accommodating chamber 21a and is partially formed to communicate with the bracket accommodating chamber 21a. The bracket contact piece 32 can enter the bracket accommodating chamber 21a through this communicating portion.

<Attaching work of terminal fitting>
This embodiment has the structure as described above, and the operation thereof will be described subsequently. When the terminal fittings 12 are inserted into the corresponding cavities 24 from the rear in the state shown in FIG. 4, the stabilizers 17 are inserted into the corresponding stabilizer insertion grooves 28, so that the insertion operation is guided and the operation is smooth. Proceed to. In addition, when the posture (circumferential direction) of each terminal fitting 12 is different from the normal posture, both stabilizers 17 do not align with both stabilizer insertion grooves 28, and the stabilizers 17 abut against the rear end surface of the housing 11. This prevents insertion in the wrong posture.

  While the terminal fitting 12 is being inserted, the lance 25 is temporarily elastically deformed while escaping into the bending space 26 by the external conductor connecting portion 14, and when the terminal fitting 12 reaches the normal depth, as shown in FIG. 25 is restored and locked to the lance locking portion 18. Thereby, the terminal metal fitting 12 is prevented from coming off. In this state, the rear end position of the stabilizer 17 is disposed at substantially the same position as the front end portion of the main body plate housing portion 36 of the ground terminal mounting groove 29 or a position behind it. Further, the lance 25 is sandwiched between both stabilizers 17.

<Ground terminal installation work>
When all the terminal fittings 12 have been inserted, the work of attaching the ground terminal 13 to the housing 11 is subsequently performed. When the ground terminal 13 is press-fitted into the ground terminal mounting groove 29 from the rear in the state shown in FIG. 8, each terminal contact portion 33 of the ground terminal 13 enters the corresponding stabilizer insertion groove 28 while crossing the corresponding stabilizer insertion groove 28. When the ground terminal 13 is pushed to a normal depth, the front end surfaces of the terminal contact portions 33 are substantially rearward with respect to the rear end surfaces of the stabilizers 17 of the corresponding terminal fittings 12 as shown in FIGS. It contacts while locking. Here, even if there is a slight clearance in the front-rear direction between the terminal fitting 12 and the cavity 24, the terminal contact portion 33 can be pushed further forward from the state in contact with the stabilizer 17. The clearance can be reduced, whereby the terminal contact portion 33 can be reliably brought into contact (close contact) with the stabilizer 17 without a gap. In this state, the terminal fitting 12 is double-stopped together with the lance 25 by the terminal contact portion 33. In this state, the stabilizer 17 and the terminal contact portion 33 are in a positional relationship lined up in the front and rear direction.

  When the ground terminal 13 is press-fitted into the ground terminal mounting groove 29, the side plate 31 enters the side plate housing portion 37 from the state shown in FIG. 5 and the side edge of the side plate housing portion 37 is scraped by the retaining piece 35. . Then, when press-fitted to the normal depth, as shown in FIG. 10, the retaining piece 35 bites into the side edge of the side plate accommodating portion 37, and the ground terminal 13 is held from the housing 11 in a retaining state. In this state, the bracket contact piece 32 enters the bracket accommodating chamber 21a.

<Mounting work to bracket>
Subsequently, an operation of attaching the connector 10 to the bracket B is performed. When the bracket B is inserted into the bracket housing chamber 21a in the bracket mounting portion 21 of the housing 11 from the rear and pushed into the normal depth, the bracket lock piece 21b is locked in the lock hole Ba as shown in FIG. The retaining is achieved. At this time, the bracket contact piece 32 of the ground terminal 13 waiting in the bracket housing chamber 21a is brought into elastic contact with the bracket B. As a result, as shown in FIG. 2, the outer conductor, which is a ground wire in the coaxial cable W, is electrically connected to the bracket B via the outer conductor connecting portion 14 and the ground terminal 13 of the terminal fitting 12, thereby having a ground. Can take.

  As described above, according to the present embodiment, the terminal fitting 12 connected to the coaxial cable W, the housing 11 provided with the cavity 24 into which the terminal fitting 12 is inserted from the rear, and the ground provided in the housing 11. It is possible to press-fit into the terminal mounting groove 29 from the rear, and includes the ground terminal 13 having the terminal contact portion 33 which is brought into contact with the stabilizer 17 in the terminal fitting 12 while being locked from the rear with the press-fitting. When the ground terminal 13 is press-fitted into the ground terminal mounting groove 29 from behind with the terminal fitting 12 inserted into the cavity 24 of the housing 11 from the rear, the terminal contact portion 33 is inserted into the stabilizer 17 of the terminal fitting 12 from the rear. Contact while locking. Since the terminal contact portion 33 of the ground terminal 13 and the stabilizer 17 of the terminal fitting 12 are arranged side by side along the axial direction of the terminal fitting 12, the ground terminal is connected to the terminal fitting in the conventional manner. Compared with a configuration in which the positions are stacked in a direction perpendicular to the axial direction, the direction perpendicular to the axial direction can be kept small. In addition, the ground terminal 13 is held by being press-fitted into the ground terminal mounting groove 29, so that the contact state with the terminal fitting 12 can be kept good and the terminal fitting 12 can be prevented from coming off.

  The two cavities 24 are arranged in a line between the first cavities 24A arranged side by side and the first cavities 24A that are shifted in a direction perpendicular to the arrangement direction of the first cavities 24A and between the adjacent first cavities 24A. The ground terminal 13 is provided with three terminal contact portions 33 corresponding to the first cavity 24A and the second cavity 24B, and each terminal contact portion 33 is provided with the second cavity 24B. The connecting portions 34 are connected to each other. In this way, since the first cavities 24A and the second cavities 24B are arranged in a so-called staggered manner, the connecting portion accommodating portion 39 for accommodating the connecting portion 34 in the earth terminal attaching groove 29 to which the earth terminal 13 is attached. Can be installed using the installation space of the first cavity 24A and the second cavity 24B. Therefore, if each cavity is arranged in a lattice shape, the size of the ground terminal mounting groove can be reduced as compared with the case where the connecting portion accommodating portion projects from the cavity to the outside in the radial direction of the terminal accommodating portion. Preferred.

  Further, the first cavity 24A and the second cavity 24B are installed in directions opposite to each other in the direction orthogonal to the arrangement direction of the first cavities 24A, and each terminal fitting inserted into the first cavity 24A and the second cavity 24B. Since the 12 stabilizers 17 are arranged to face each other, if compared with the case where the first cavity and the second cavity are installed in the same direction, the stabilizer 17 of the terminal fitting 12 inserted into the first cavity 24A and Since the distance between the terminal fitting 12 inserted into the second cavity 24B and the stabilizer 17, that is, the connecting portion 34 can be shortened, the ground terminal 13 can be reduced in size.

  Moreover, since the terminal contact part 33 is made into the form extended in the direction which cross | intersects the plate surface of the stabilizer 17, compared with the case where a terminal contact part is made into the form extended in parallel with the plate surface of the stabilizer 17, it is a terminal. The contact portion 33 can be brought into contact with the stabilizer 17 while being reliably latched from the rear, and the retaining function and contact reliability can be improved.

  Further, since the ground terminal 13 is provided with a retaining piece 35 that cuts in the groove of the ground terminal mounting groove 29 in accordance with press-fitting, the retaining function and contact reliability of the terminal fitting 12 can be improved. .

<Other embodiments>
The present invention is not limited to the embodiments described with reference to the above description and drawings. For example, the following embodiments are also included in the technical scope of the present invention.
(1) In the above-described embodiment, the terminal contact portion contacts and locks with the stabilizer in the terminal fitting (the stabilizer is the contacted portion). In the present invention, the terminal contact portion is in contact with and locked to a portion other than the stabilizer, such as a step portion formed in (a portion other than the stabilizer is a contacted portion). In that case, it is also possible to use a terminal fitting in which the stabilizer is omitted.

  (2) In the above-described embodiment, the terminal contact portion is configured to extend along the alignment direction of the first cavities, but the terminal contact portion is configured to extend in a direction orthogonal to the alignment direction of the first cavities. Are also included in the present invention.

  (3) In the above-described embodiment, the stabilizer protrudes in the direction orthogonal to the arrangement direction of the first cavities. However, the stabilizer protrudes along the arrangement direction of the first cavities in the present invention. included.

  (4) In the above-described embodiment, the terminal contact portion extends along the direction orthogonal to the stabilizer plate surface. However, the terminal contact portion extends obliquely with respect to the stabilizer plate surface. In addition, a configuration extending in parallel with the plate surface of the stabilizer is also included in the present invention.

  (5) In the above-described embodiment, the connection portion has a form extending in a direction orthogonal to the plate surface of the terminal contact portion. However, the connection portion extends obliquely with respect to the plate surface of the terminal contact portion. Are also included in the present invention.

  (6) In the above-described embodiment, the first cavities are arranged in the width direction. However, the first cavities are arranged in the height direction, and are also included in the present invention.

  (7) In the above-described embodiment, the cavities are arranged in a staggered manner. However, for example, the cavities arranged in a staggered manner such as those in which the cavities are arranged in a lattice shape are also included in the present invention. It is.

  (8) In the above-described embodiment, the ground terminal mounting groove communicates with the stabilizer insertion groove (cavity). However, the present invention includes a structure in which both are not in communication.

  (9) In the above-described embodiment, the cavities are arranged in two upper and lower tiers. However, the present invention can be applied to a single-stage type or a type stacked in three or more stages.

  (10) In the above-described embodiment, the terminal fitting having a pair of stabilizers has been exemplified, but the present invention is also applicable to a terminal fitting having only one stabilizer.

  (11) In the above-described embodiment, a connector in which three terminal fittings are accommodated is shown, but the present invention can be applied to one having one terminal fitting, two, or more than four. It is.

  (12) In the above-described embodiment, the case where the terminal fitting is connected to the end of the coaxial cable is shown. However, the terminal fitting connected to the end of the normal covered wire excluding the outer conductor and the outer coating is used. In addition, the present invention is applicable. In that case, what is necessary is just to make it the core wire of a covered electric wire comprise the earth wire of an electric circuit.

  (13) In the above-described embodiment, the case where the main body (cavity) in the external conductor terminal of the terminal fitting is circular is shown, but the main body may be box-shaped, for example.

  (14) In the above-described embodiment, the case where the connector is attached to the bracket has been described. However, the present invention can also be applied to a type of connector that is not attached to the bracket.

The front view of the terminal metal fitting which concerns on one Embodiment of this invention Rear view of housing with ground terminal Side view of housing and bracket XX sectional drawing of FIG. 2 which shows the state before inserting a terminal metal fitting in a housing 2 is a cross-sectional view taken along line YY of FIG. 2 showing a state before the ground terminal is press-fitted into the housing Top view of the ground terminal Side view of ground terminal 2 is a cross-sectional view taken along the line XX in FIG. 2 showing a state before inserting a ground terminal after inserting a terminal fitting into the housing. XX sectional view of FIG. 2 showing the state after press-fitting the ground terminal 2 is a cross-sectional view taken along line YY in FIG. 2 showing a state before the bracket is inserted after the ground terminal is inserted into the housing. 2 is a cross-sectional view taken along line YY in FIG. 2 showing a state after the bracket is inserted. Cross section of conventional example

Explanation of symbols

10 ... Connector 11 ... Housing (connector housing)
12 ... Terminal fitting 13 ... Ground terminal 17 ... Stabilizer (contacted part)
24 ... Cavity 24A ... 1st cavity 24B ... 2nd cavity 29 ... Grounding terminal installation groove 33 ... Terminal contact part 34 ... Connection part 35 ... Stopping piece W ... Electric wire

Claims (5)

A terminal fitting connected to an electric wire having a ground wire;
A connector housing provided with a cavity into which the terminal fitting is inserted from behind;
A ground terminal having a terminal contact portion that can be press-fitted into the ground terminal mounting groove provided in the connector housing from the rear and that is brought into contact with the contacted portion of the terminal metal fitting while being pressed from behind. And connector. The cavities are arranged at a position between the first cavities arranged adjacent to each other, at a position shifted in a direction orthogonal to the arrangement direction of the first cavities arranged at least two. A second cavity,
2. The connector according to claim 1, wherein the ground terminal is provided with a plurality of the terminal contact portions corresponding to the first cavity and the second cavity, and the terminal contact portions are connected to each other by a connecting portion. The first cavity and the second cavity are installed in directions opposite to each other in a direction orthogonal to the arrangement direction,
The connector according to claim 2, wherein the contacted portions of the terminal fittings inserted into the first cavity and the second cavity face each other. The terminal fitting is provided with a plate-like stabilizer protruding in a direction intersecting the axial direction thereof, and this stabilizer is the contacted portion,
4. The connector according to claim 1, wherein the terminal contact portion extends in a direction that intersects with a plate surface of the stabilizer. 5. The connector according to any one of claims 1 to 4, wherein the ground terminal is provided with a retaining piece that bites in while grounding a groove edge of the ground terminal mounting groove with press-fitting.

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