Connector

By using fastening screws in the connector to screw the internal threaded part of the metal shell, the fixation between the metal bracket and the metal shell is simplified, solving the problems of complex structure and many components of the existing connector, and achieving a simpler and more reliable connection.

CN120345138APending Publication Date: 2025-07-18SUMITOMO WIRING SYSTEMS LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202380085005.6
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Priority Date
2022-12-19
Filing Date
2023-12-01
Publication Date
2025-07-18

AI Technical Summary

Technical Problem

The existing connectors have complex structures, large number of components, and the nut maintenance structure is complex.

Method used

The fastening screw is screwed with the internal threaded part of the metal shell through the fastening hole through the metal bracket, which simplifies the fixing method between the metal bracket and the metal shell and reduces the number of parts.

Benefits of technology

The structure of the connector is simplified, the number of parts is reduced, the complexity of the nut retaining structure is avoided, and the reliability of the connection is improved.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN120345138A_ABST
    Figure CN120345138A_ABST
Patent Text Reader

Abstract

The invention provides a connector capable of simplifying the structure. A connector (11) according to one aspect of the present invention is fixed to a plurality of electric wires (12) having a core wire and an insulating coating (12b). A connector (11) is provided with: a terminal (21) connected to a core wire; a resin housing (22) covering the core wire and the terminal (21); a metal case (23) that covers the resin case (22) and is fixed to the metal case; and a metal bracket (26) connected to the main shield member (29) covering the insulating coating portion (12b) and connected to the metal case (23). The metal shell (23) is provided with a female thread part (23 g), and the metal support (26) is provided with a fastening hole (26e). The connector (11) is provided with a fastening screw (30), and the fastening screw (30) penetrates through the fastening hole (26e) and is screwed with the female thread part (23 g), so that the metal support (26) is fixed to the metal shell (23).
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The present invention relates to a connector. Background Art

[0002] Conventionally, as a connector fixed to the ends of a plurality of electric wires, there has been provided: terminals connected to the core wires of the electric wires; a resin housing that partitions and covers the terminals; and a metal shell that covers the resin housing and has an electromagnetic shielding function (for example, refer to Patent Document 1 (FIG. 21, etc.)). Further, this connector includes a metal bracket that connects a braided member covering an insulating coating portion and is connected to the metal shell. Also, the metal shell is fixed to a metal outer shell or the like that serves as an external ground member. In this connector, the braided member is electrically connected to the external ground member via the metal bracket and the metal shell. Prior Art Documents Patent Documents

[0003] Patent Document 1: International Publication (WO) No. 2012 / 124801 Summary of the Invention Problems to be Solved by the Invention

[0004] However, in a connector as described above, the metal shell and the metal bracket are fastened by bolts passing through them and nuts held by the resin housing. Therefore, the number of components increases, and the structure for holding the nuts by the resin housing is complicated.

[0005] An object of the present invention is to provide a connector that can simplify the structure. Means for Solving the Problems

[0006] The connector of the present invention is fixed to a plurality of electric wires having core wires and insulating coating portions, and the connector includes: terminals connected to the core wires; a resin housing that covers the core wires and the terminals; a metal shell that covers the resin housing and is fixed to an external ground member; and a metal bracket that connects a shielding member covering the insulating coating portion and is connected to the metal shell. The metal shell has an internal threaded portion, the metal bracket has a fastening hole, and a fastening screw is provided. The fastening screw fixes the metal bracket to the metal shell by passing through the fastening hole and screwing with the internal threaded portion. Advantages of the Invention

[0007] According to the connector of the present invention, the structure can be simplified. Brief Description of the Drawings

[0008] Figure 1 It is a perspective view of a connector and a mating connector in one embodiment. Figure 2 It is an exploded perspective view of a connector in one embodiment. Figure 3Exploded perspective view of the connector in one embodiment. Figure 4 Side view of the connector in one embodiment. Figure 5 Is along Figure 4 Cross-sectional view taken along line 5-5 in Figure 6 Is along Figure 5 Cross-sectional view taken along line 6-6 in Figure 7 Partial exploded front view of the connector in one embodiment. Figure 8 Partial front view of the connector in one embodiment. Detailed implementation mode

[0009] [Description of the embodiments of the present invention] First, the embodiments of the present invention will be listed and described. The connector of the present invention, [1] Fixed to a plurality of electric wires having core wires and insulating coating portions, the connector includes: terminals connected to the core wires; a resin housing covering the core wires and the terminals; a metal shell covering the resin housing and fixed to an external grounding member; and a metal bracket connecting a shielding member covering the insulating coating portions and connected to the metal shell. The metal shell has an internal thread portion, the metal bracket has a fastening hole, and includes a fastening screw. The fastening screw is fixed to the metal shell by passing through the fastening hole and screwing with the internal thread portion.

[0010] According to this structure, a fastening screw is provided. The fastening screw is fixed to the metal shell by passing through the fastening hole of the metal bracket and screwing with the internal thread portion of the metal shell. Therefore, compared with a structure fastened with nuts and bolts, for example, the structure can be simplified. That is, for example, in a structure in which a nut is held on the resin housing and the metal bracket and the metal shell are fastened with nuts and bolts, the number of components increases corresponding to the amount of nuts, and the structure for holding the nuts becomes complicated, but these can be avoided.

[0011] [2] In the above [1], it may be that the shielding member is a cylindrical total shielding member that collectively covers a plurality of the insulating coating portions. The metal bracket has a cylindrical portion and a fastening portion. The cylindrical portion connects the entire circumference of the total shielding member, and the fastening portion extends from a part of the circumferential direction of the cylindrical portion and is provided with the fastening hole.

[0012] According to this structure, the shielding member is a cylindrical total shielding member that collectively covers a plurality of insulating coating portions, and the metal bracket has a cylindrical portion. The entire circumference of the total shielding member is connected to the cylindrical portion. Therefore, the total shielding member can be well connected to the metal bracket.

[0013] [3] In the above [2], it may also be that the metal bracket has a circumferential engaging portion on the side opposite to the fastening portion in the circumferential direction of the cylindrical portion, and the metal shell has a circumferentially engaged portion engaged with the circumferential engaging portion.

[0014] According to this structure, the metal bracket has a circumferential engaging portion on the side opposite to the fastening portion in the circumferential direction of the cylindrical portion, and the metal shell has a circumferentially engaged portion engaged with the circumferential engaging portion. Therefore, the shaking relative to the metal shell can be well suppressed. That is, since the circumferential shaking of the two opposite sides of the cylindrical portion in the circumferential direction relative to the metal shell is suppressed, the shaking of the metal bracket relative to the metal shell is well suppressed.

[0015] [4] In the above [3], it may also be that the metal bracket has an extending portion extending axially from the cylindrical portion, the circumferential engaging portion is a slit extending axially along the cylindrical portion from the top end of the extending portion, and the circumferentially engaged portion is a rib protruding from the metal shell and extending axially along the cylindrical portion and embedded in the slit.

[0016] According to this structure, the circumferential engaging portion is a slit extending axially along the cylindrical portion from the top end of the extending portion, and the circumferentially engaged portion is a rib protruding from the metal shell and extending axially along the cylindrical portion. Therefore, the shaking relative to the metal shell can be firmly suppressed. That is, since the slit and the rib are engaged in a relatively long range along the axial direction of the cylindrical portion, the shaking of the metal bracket relative to the metal shell is firmly suppressed.

[0017] [5] In the above [4], it may also be that the metal shell has a positioning wall in contact with the top end of the extending portion. According to this structure, the metal shell has a positioning wall in contact with the top end of the extending portion. Therefore, the positioning of the metal bracket along the axial direction of the cylindrical portion can be well performed.

[0018] [6] In any one of the above [2] to the above [5], it may also be provided with: a rubber plug for preventing liquid from infiltrating along the insulating coating portion; and a stopper for being stuck to the metal shell to prevent the rubber plug from falling off. The stopper has a contact cylindrical portion that protrudes from the metal shell to the outside and contacts the outer circumference of the insulating coating portion, and the cylindrical portion is arranged so as to cover the contact cylindrical portion.

[0019] According to this structure, the stopper has a contact cylindrical portion that protrudes from the metal shell to the outside and contacts the outer circumference of the insulating coating portion. Therefore, for example, even if the wire vibrates outside the connector, the vibration can be suppressed from being transmitted to the terminals inside the connector. Therefore, for example, friction of the terminals can be suppressed. And the cylindrical portion is arranged so as to cover the contact cylindrical portion. Therefore, the contact cylindrical portion is also well shielded.

[0020] [Details of Embodiments of the Present Invention] A specific example of the connector of the present invention will be described below with reference to the accompanying drawings. In each of the drawings, for convenience of explanation, a part of the structure may be shown enlarged or simplified. In addition, the dimensional ratios of the respective parts may be different in each of the drawings. In this specification, "parallel", "orthogonal", and "perfect circle" include not only cases that are strictly parallel, orthogonal, and perfect circle, but also cases that are approximately parallel, orthogonal, and perfect circle within the range where the effects of the present embodiment are achieved. In addition, the present invention is not limited to these examples, but is shown by the claims and is intended to include all modifications within the meaning equivalent to the claims and the scope thereof.

[0021] [Structure of Connector 11] As Figure 1 and Figure 4 shown, the connector 11 is fixed to the ends of a plurality of electric wires 12, is fitted with a mating connector 13 on the opposite side, and is fixed to a metal housing 14 that serves as an external ground member. In addition, the connector 11 of the present embodiment is fixed to the ends of two electric wires 12.

[0022] In addition, a first axis X, a second axis Y orthogonal to the first axis X, and a third axis Z orthogonal to both the first axis X and the second axis Y are shown in the figure. In the present embodiment, the direction along the first axis X will be described as the width direction, the direction along the second axis Y will be described as the front-rear direction, and the direction along the third axis Z will be described as the axial direction.

[0023] As Figure 2 and Figure 3 shown, the connector 11 includes terminals 21, a resin housing 22, a metal shell 23, rubber plugs 24, a stopper 25, a metal bracket 26, and a tightening ring 27. Two terminals 21, resin housings 22, and rubber plugs 24 are provided according to the number of electric wires 12.

[0024] (Structure of Terminal 21) As Figure 5 shown, the electric wire 12 has a core wire 12a and an insulating coating portion 12b. The terminal 21 is connected to the end of the core wire 12a exposed from the insulating coating portion 12b.

[0025] Specifically, the core wire 12a has a flat connection portion 12c that protrudes from the insulating coating portion 12b and has a shape that is flatter than the inside of the insulating coating portion 12b. That is, the flat connection portion 12c is smaller in diameter than the core wire 12a inside the insulating coating portion 12b in the thin-wall direction, which is the flat direction. A plurality of wires 12 are arranged such that the thin-wall direction of the flat connection portion 12c is along the width direction of the direction in which the plurality of wires 12 are arranged side by side. The terminal 21 has a terminal fitting portion 21a and a plate-like terminal connection portion 21b that is connected to the flat connection portion 12c. The mating terminal 13a of the mating connector 13 (see Figure 1 ) can be fitted into the terminal fitting portion 21a. In addition, the terminal 21 is formed by bending a metal plate, but in the drawings, the details thereof are not shown and are schematically illustrated. The terminal connection portion 21b of the terminal 21 overlaps the flat connection portion 12c in the plate thickness direction and is fixed by welding. In addition, in the present embodiment, the flat connection portion 12c is formed into a flat shape by being flattened while in contact with the terminal connection portion 21b, and resistance welding is performed with the terminal connection portion 21b in this state.

[0026] (Structure of the resin housing 22) As shown in Figure 2 , Figure 3 and Figure 5 , the resin housing 22 is formed in a cylindrical shape so as to cover the exposed core wire 12a, that is, the flat connection portion 12c and the terminal 21. As shown in Figure 3 , the resin housing 22 has a terminal opening 22a at a position corresponding to the terminal fitting portion 21a. The terminal opening 22a opens forward, and the mating terminal 13a (see Figure 1 ) can be inserted through the terminal opening 22a.

[0027] In addition, as shown in Figure 5 , the resin housing 22 has a pair of narrowing wall portions 22b at positions that sandwich the flat connection portion 12c in the width direction. The widthwise interval of the pair of narrowing wall portions 22b gradually decreases as it approaches the tip direction along the axial direction and the tip direction of the core wire 12a.

[0028] In addition, the resin housing 22 has a pair of terminal covering wall portions 22c at positions that sandwich the terminal 21 in the width direction, and the interval between the inner surfaces of the pair of terminal covering wall portions 22c is set to be smaller than the diameter of the insulating coating portion 12b. That is, the resin housing 22 has a pair of narrowing wall portions 22b and a pair of terminal covering wall portions 22c to reduce the useless space inside according to the diameter of the insulating coating portion 12b, the width of the flat connection portion 12c, and the width of the terminal 21.

[0029] (Structure of the metal case 23) As shown inFigure 5 As shown, the metal shell 23 is formed so as to cover the resin shell 22. The metal shell 23 has an opening 23a at the base end portion in the axial direction, and has a shell accommodating portion 23b extending in the tip direction in the axial direction. The shell accommodating portion 23b is formed into a shape that can accommodate the resin shell 22 with substantially no gap according to the shape of the resin shell 22. Two shell accommodating portions 23b are arranged side by side in the width direction according to the number of resin shells 22. In addition, as Figure 6 shown, the metal shell 23 has a communication hole 23c, and the communication hole 23c opens forward so as to communicate with the tip side of the shell accommodating portion 23b.

[0030] In addition, as Figure 5 shown, the metal shell 23 has a partition wall 23d between the two shell accommodating portions 23b. The partition wall 23d is formed throughout the axial direction of the metal shell 23. And, as Figure 5 and Figure 6 shown, a fixing hole 23e penetrating in the front-rear direction is provided in the partition wall 23d of the metal shell 23. That is, the fixing hole 23e is provided between the plurality of electric wires 12 in the width direction in which the plurality of electric wires 12 are arranged side by side. In other words, the fixing hole 23e is provided at a width direction position between the width direction position where one electric wire 12 is arranged and the width direction position where the other electric wire 12 is arranged. As Figure 5 shown, the fixing hole 23e is provided between the flat connection portions 12c. In other words, the fixing hole 23e is provided at an axial position overlapping the axial position where the flat connection portion 12c is arranged. As Figure 1 and Figure 6 shown, the metal shell 23 can be fixed to the metal outer shell 14 by a bolt 28 passing through the fixing hole 23e and screwing with the female thread 14a of the metal outer shell 14.

[0031] (Structure of the rubber plug 24) As Figure 5 shown, the rubber plug 24 is formed to prevent liquid from entering the connector 11 along the insulating coating portion 12b. Specifically, the rubber plug 24 is formed into a cylindrical shape interposed between the insulating coating portion 12b and the opening 23a of the metal shell 23. The rubber plug 24 prevents liquid from entering the connector 11 by being in close contact with the insulating coating portion 12b and the opening 23a of the metal shell 23.

[0032] (Structure of the stopper 25) As Figure 2 、 Figure 3 and Figure 5As shown, the stopper body 25 is configured to be stuck to the metal case 23 to prevent the rubber plug 24 from falling off. Specifically, the stopper body 25 is made of resin. The stopper body 25 has two contact cylinder portions 25a. The two contact cylinder portions 25a protrude from the metal case 23 to the outside and contact the outer periphery of the insulating coating portion 12b.

[0033] In addition, as Figure 2 and Figure 3 shown, the stopper body 25 has a flange portion 25b and a locking piece 25c. The flange portion 25b connects the axial end portions of the two contact cylinder portions 25a to each other and extends outward. The locking piece 25c bends and extends from the flange portion 25b. Four locking pieces 25c are provided. The locking pieces 25c are respectively provided at positions in the front-rear direction of the contact cylinder portion 25a. The locking piece 25c is engaged with a locking projection 23f provided on the outer surface of the metal case 23, so that the stopper body 25 is stuck to the metal case 23. And, by arranging the flange portion 25b so as to close the opening portion 23a, the stopper body 25 prevents the rubber plug 24 from falling off from the opening portion 23a. In addition, the stopper body 25 of the present embodiment is composed of two components assembled along the front-rear direction in such a manner as to sandwich the insulating coating portion 12b from the front and rear directions.

[0034] (Structure of the metal bracket 26) As Figure 6 shown, the metal bracket 26 is connected to the total shielding member 29 which is a shielding member covering the insulating coating portion 12b, and is connected to the metal case 23. Specifically, the shielding member of the present embodiment is a cylindrical total shielding member 29 that collectively covers a plurality of insulating coating portions 12b. In addition, the total shielding member 29 of the present embodiment is a braided member formed by braiding conductive wires such as copper alloy and aluminum alloy into a cylindrical shape.

[0035] The metal bracket 26 has a cylinder portion 26a and a fastening portion 26b. The cylinder portion 26a is connected to the entire circumference of the total shielding member 29. The fastening portion 26b extends from a part of the circumferential direction of the cylinder portion 26a. As Figure 2 shown, the cylinder portion 26a is formed in a shape capable of covering the two contact cylinder portions 25a of the stopper body 25. Specifically, the cylinder portion 26a has a pair of parallel portions 26c and a pair of arc portions 26d that connect the pair of parallel portions 26c to each other in a semi-circular arc shape. And, in a state where the total shielding member 29 is disposed on the outer peripheral surface of the cylinder portion 26a, it is tightened and fixed from the outside by a tightening ring 27, so that the total shielding member 29 is connected to the cylinder portion 26a.

[0036] The fastening portion 26b extends rearward from the end portion of one of the parallel portions 26c and bends and extends in the axial direction. And, a fastening hole 26e is provided in the fastening portion 26b. In addition, the metal case 23 has an internal thread portion 23g. The internal thread portion 23g is provided on the outer surface of the rear portion of the metal case 23. And, as Figure 6As shown, the metal bracket 26 is fixed to the metal case 23 by a fastening screw 30 that passes through the fastening hole 26e and is screwed into the internal thread portion 23g.

[0037] In addition, as Figure 3 , Figure 7 and Figure 8 shown, the metal bracket 26 has a slit 26f on the side opposite to the fastening portion 26b in the circumferential direction of the cylindrical portion 26a, which serves as a circumferential engaging portion that can be engaged in the circumferential direction. The metal case 23 has a rib 23h that serves as a circumferentially engaged portion engaged with the slit 26f. Specifically, the metal bracket 26 has an extended portion 26g that extends along the axial direction from the cylindrical portion 26a. And the slit 26f extends along the axial direction of the cylindrical portion 26a from the center in the width direction at the top end of the extended portion 26g. In addition, the rib 23h is formed to protrude from the metal case 23 and extends along the axial direction of the cylindrical portion 26a and is inserted into the slit 26f.

[0038] In addition, as Figure 7 and Figure 8 shown, the metal case 23 has a positioning wall 23j that abuts against the top end of the extended portion 26g of the metal bracket 26. The positioning wall 23j is provided to be connected to the rib 23h and extends in both width directions from the rib 23h. The positioning wall 23j is set to abut against the axial top end of the extended portion 26g in a state where the rib 23h is inserted into the slit 26f.

[0039] Next, the operation of the connector 11 configured as described above will be described. The total shielding member 29 is electrically connected to the metal outer shell 14 via the metal bracket 26, the metal case 23, and the bolt 28 and grounded. Therefore, electromagnetic noise radiated from the electric wire 12 and the terminal 21 covered by the total shielding member 29, the metal bracket 26, and the metal case 23 can be suppressed well. In addition, the opening portion 23a of the metal case 23 is filled with a rubber plug 24. Therefore, liquid is prevented from entering the connector 11 along the insulating coating portion 12b.

[0040] Next, the effects of the above-described embodiment will be described below. (1) It is provided with a fastening screw 30. The fastening screw 30 fixes the metal bracket 26 to the metal case 23 by passing through the fastening hole 26e of the metal bracket 26 and screwing into the internal thread portion 23g of the metal case 23. Therefore, compared with a structure fastened with a nut and a bolt, for example, the structure can be simplified. That is, for example, in a structure in which a nut is held by a resin case and a metal bracket and a metal case are fastened with a nut and a bolt, the number of components increases corresponding to the amount of nuts, and the structure for holding the nuts becomes complicated, but these can be avoided.

[0041] (2) The shielding member covering the insulating coating portion 12b is a cylindrical total shielding member 29 that collectively covers a plurality of insulating coating portions 12b. The metal bracket 26 has a cylindrical portion 26a, and the entire circumference of the total shielding member 29 is connected to the cylindrical portion 26a. Therefore, the total shielding member 29 can be well connected to the metal bracket 26.

[0042] (3) The metal bracket 26 has a slit 26f as a circumferential engaging portion that can be engaged in the circumferential direction on the side opposite to the fastening portion 26b in the circumferential direction of the cylindrical portion 26a. The metal case 23 has a rib 23h as a circumferentially engaged portion that engages with the slit 26f. Therefore, the shaking of the metal bracket 26 relative to the metal case 23 can be well suppressed. That is, the circumferential shaking of the cylindrical portion 26a at two positions on opposite sides in the circumferential direction relative to the metal case 23 is suppressed, so the shaking of the metal bracket 26 relative to the metal case 23 is well suppressed.

[0043] (4) The circumferential engaging portion is a slit 26f that extends along the axial direction of the cylindrical portion 26a from the tip of the extending portion 26g, and the circumferentially engaged portion is a rib 23h that protrudes from the metal case 23 and extends along the axial direction of the cylindrical portion 26a. Therefore, the shaking of the metal bracket 26 relative to the metal case 23 is firmly suppressed. That is, since the slit 26f and the rib 23h are engaged in a relatively long range along the axial direction of the cylindrical portion 26a, the shaking of the metal bracket 26 relative to the metal case 23 is firmly suppressed.

[0044] (5) The metal case 23 has a positioning wall 23j that abuts against the tip of the extending portion 26g, so that the positioning of the metal bracket 26 along the axial direction of the cylindrical portion 26a can be well performed.

[0045] (6) The stopper 25 that prevents the rubber plug 24 from falling off has a contact cylindrical portion 25a. The contact cylindrical portion 25a protrudes from the metal case 23 to the outside and contacts the outer circumference of the insulating coating portion 12b. Therefore, for example, even if the electric wire 12 vibrates outside the connector 11, the vibration can be suppressed from being transmitted to the terminal 21 inside the connector 11. Therefore, for example, friction of the terminal 21 can be suppressed. In addition, the cylindrical portion 26a of the metal bracket 26 is arranged so as to cover the contact cylindrical portion 25a, so the contact cylindrical portion 25a is also well shielded.

[0046] This embodiment can be implemented with the following modifications. This embodiment and the following modification examples can be implemented in combination with each other within a range where there is no technical contradiction. ■ In the above embodiment, the metal bracket 26 has a cylindrical portion 26a that connects the entire circumference of the total shielding member 29, but it is not limited thereto. For example, it can also be changed to a metal bracket that connects the total shielding member 29 without having a cylindrical portion 26a.

[0047] ■In the above-described embodiment, the shielding member covering the insulating coating portion 12b is a cylindrical overall shielding member 29 that collectively covers a plurality of insulating coating portions 12b. However, it is not limited thereto, and it may be changed to a shielding member that individually covers the insulating coating portion 12b. In addition, in this case, it is necessary to change the shape of the metal bracket 26 and the like, and change the connection structure between the metal bracket 26 and the shielding member.

[0048] ■In the above-described embodiment, the metal bracket 26 has a slit 26f as a circumferential engaging portion that can be engaged in the circumferential direction on the side opposite to the fastening portion 26b in the circumferential direction of the cylindrical portion 26a. However, it is not limited thereto, and for example, it may be changed to a circumferential engaging portion other than the slit 26f.

[0049] In addition, for example, the metal bracket 26 may also have a circumferential engaging portion that can be engaged in the circumferential direction at a position other than the side opposite to the fastening portion 26b in the circumferential direction of the cylindrical portion 26a. In addition, for example, the metal bracket 26 may also have circumferential engaging portions that can be engaged in the circumferential direction at multiple locations in the circumferential direction of the cylindrical portion 26a.

[0050] In addition, for example, the metal bracket 26 may not have a circumferential engaging portion. In addition, in these cases, the circumferentially engaged portion, that is, the rib 23h, in the metal shell 23 may also be changed according to the circumferential engaging portion.

[0051] ■In the above-described embodiment, the metal shell 23 has a positioning wall 23j that abuts against the tip of the extending portion 26g. However, it is not limited thereto, and for example, it may not have a positioning wall 23j.

[0052] ■In the above-described embodiment, the cylindrical portion 26a of the metal bracket 26 is arranged so as to cover the contact cylindrical portion 25a of the stopper 25. However, it is not limited thereto, and for example, it may be arranged so as not to cover the contact cylindrical portion 25a.

[0053] ■In the above-described embodiment, the stopper 25 that prevents the rubber plug 24 from falling off has a contact cylindrical portion 25a that protrudes from the metal shell 23 to the outside and contacts the outer periphery of the insulating coating portion 12b. However, it is not limited thereto, and for example, it may not have a contact cylindrical portion 25a. For example, the stopper 25 may also be housed in the metal shell 23.

[0054] ■In the above-described embodiment, the rubber plug 24 is interposed between the insulating coating portion 12b and the metal shell 23. However, it is not limited thereto, and for example, it may be interposed between the insulating coating portion and the resin housing.

[0055] ■In the above-described embodiment, the fixing holes 23e are provided between the plurality of electric wires 12 in the width direction. However, it is not limited thereto, and they may also be provided at other positions. For example, the fixing holes 23e may also be provided in a fixing portion that protrudes outward in the axial direction or the width direction of the metal shell 23.

[0056] ■In the above-described embodiment, the core wire 12a has a flat connection portion 12c, and is arranged such that the thin-wall direction of the flat connection portion 12c is along the width direction of the connector 11. However, it is not limited thereto, and other structures can also be adopted. For example, the core wire 12a may not have the flat connection portion 12c.

[0057] ●In the above-described embodiment, the fixing holes 23e are provided between the flat connection portions 12c. However, it is not limited thereto, and they can also be provided at positions axially offset from between the flat connection portions 12c. For example, the fixing holes 23e can also be provided at positions axially offset from between the flat connection portions 12c and between the terminals 21. In addition, for example, a plurality of fixing holes 23e can also be provided at the same position in the width direction of the connector 11 and at axially offset positions.

[0058] ●In the above-described embodiment, the terminal 21 has a plate-shaped terminal connection portion 21b and is fixed to the flat connection portion 12c by welding. However, it is not limited thereto, and other structures can also be adopted. For example, the terminal 21 may not have the plate-shaped terminal connection portion 21b, but may be fixed to the core wire 12a by crimping or the like.

[0059] ●In the above-described embodiment, the resin housing 22 has a pair of narrowing wall portions 22b with gradually decreasing intervals in the width direction at the positions where the flat connection portions 12c are clamped. However, it is not limited thereto, and it can also be configured not to have the pair of narrowing wall portions 22b. For example, the resin housing 22 can also be configured to have a pair of wall portions with a constant interval in the width direction at the positions where the flat connection portions 12c are clamped.

[0060] ●In the above-described embodiment, the interval between the inner surfaces of the pair of terminal covering wall portions 22c provided at the positions where the terminals 21 are clamped in the width direction is smaller than the diameter of the insulating covering portion 12b. However, it is not limited thereto. For example, it can also be larger than the diameter of the insulating covering portion 12b. That is, the interval between the inner surfaces of the pair of terminal covering wall portions 22c can be the size of a portion that can also accommodate the insulating covering portion 12b.

[0061] ●In the above-described embodiment, the connector 11 is fixed to the ends of two electric wires 12. However, it is not limited thereto. For example, it can also be fixed to the ends of three or more electric wires. In addition, in this case, the number of terminals 21, the resin housing 22, and the rubber plug 24 needs to be changed according to the number of electric wires 12. In addition, in this case, the fixing holes 23e can be provided between all adjacent electric wires 12 in the width direction in which the plurality of electric wires 12 are arranged side by side, or can be provided only at one place.

[0062] ●In the above-described embodiment, the external grounding member is the metal housing 14, but it is not limited thereto, and it may be changed to other external grounding members. For example, the metal housing 14 may also be the vehicle body.

[0063] ■In the above-described embodiment, as Figure 5 shown, each resin housing 22 may also be an elongated tubular member, and may be arranged to cover the end of the insulating coating portion 12b of a wire 12, the core wire 12a exposed from the end of the insulating coating portion 12b, and the terminal 21 connected to the core wire 12a.

[0064] ■In the above-described embodiment, as Figure 5 shown, the metal shell 23 may also be configured to accommodate the entire plurality of resin housings 22. The metal shell 23 may also have a plurality of openings 23a respectively connected to the plurality of housing accommodating portions 23b in the axial direction, and each opening 23a may be configured to accommodate the rubber plug 24.

[0065] ■As Figure 6 shown, the internal thread portion 23g of the metal shell 23 may be located on the side opposite to the communication hole 23c of the metal shell 23 in the circumferential direction, or may be provided between the plurality of wires 12 in such a manner that the fixing holes 23e of the metal shell 23 are arranged along the axial direction.

[0066] ■As in the illustrated embodiment, the terminal 21 may also be an elongated member extending along the third axis Z, i.e., the axial direction, inside the connector 11. As in the illustrated embodiment, the terminal 21 may be coaxially connected to the wire 12 at the tip of the wire 12.

[0067] ■In the illustrated embodiment, since the wire 12 is led out from the connector 11 in the third axis Z, i.e., the axial direction, the third axis Z, i.e., the axial direction, is sometimes referred to as the lead-out direction of the wire from the connector. In the illustrated embodiment, the second axis Y, i.e., the front-rear direction, is sometimes referred to as the mounting direction of the connector 11 relative to the mating connector 13 and / or the tightening direction of the bolt 28 relative to the mating connector 13. As in the illustrated embodiment, the lead-out direction of the wire 12 from the connector 11 and the mounting direction of the connector 11 relative to the mating connector 13 may be orthogonal. The connector 11 in the illustrated embodiment is sometimes referred to as a vehicle L-shaped connector and / or a vehicle flat L-shaped connector. Reference Numeral Explanation

[0068] 11 Connector 12 Wire 12a Core Wire 12b Insulating Coating Portion 12c Flat Connection Portion 13 Mating Connector 13a Opposite-side terminal 14 Metal housing 14a Female thread 21 Terminal 21a Terminal fitting portion 21b Terminal connection portion 22 Resin housing 22a Opening for terminal 22b Narrowing wall portion 22c Terminal covering wall portion 23 Metal shell 23a Opening portion 23b Housing receiving portion 23c Communication hole 23d Partition wall 23e Fixing hole 23f Locking projection 23g Internal thread portion 23h Rib 23j Positioning wall 24 Rubber plug 25 Stopper 25a Contact cylinder portion 25b Flange portion 25c Locking piece 26 Metal bracket 26a Cylinder portion 26b Fastening portion 26c Parallel portion 26d Arc portion 26e Fastening hole 26f Slit 26g Extended portion 27 Ring 28 Bolt 29 Total shielding member 30 Fastening screw X First axis Y Second axis Z Third axis

Claims

1. A connector is fixed to a plurality of electric wires having core wires and insulating coating portions, and the connector includes: Terminals connected to the core wires; A resin housing covering the core wires and the terminals; A metal shell covering the resin housing and fixed to an external grounding member; and A metal bracket connecting a shielding member covering the insulating coating portion and connected to the metal shell, The metal shell has an internal threaded portion, The metal bracket has a fastening hole, The connector includes a fastening screw that fixes the metal bracket to the metal shell by passing through the fastening hole and screwing with the internal threaded portion.

2. The connector according to claim 1, wherein The shielding member is a cylindrical total shielding member that collectively covers a plurality of the insulating coating portions, The metal bracket has a cylindrical portion and a fastening portion. The cylindrical portion connects the entire circumference of the total shielding member, and the fastening portion extends from a part of the circumferential direction of the cylindrical portion and is provided with the fastening hole.

3. The connector according to claim 2, wherein The metal bracket has a circumferential engaging portion on the side opposite to the fastening portion in the circumferential direction of the cylindrical portion, which can be engaged in the circumferential direction, The metal shell has a circumferentially engaged portion that engages with the circumferential engaging portion.

4. The connector according to claim 3, wherein The metal bracket has an extending portion extending along the axial direction from the cylindrical portion, The circumferential engaging portion is a slit extending along the axial direction of the cylindrical portion from the tip of the extending portion, The circumferentially engaged portion is a rib protruding from the metal shell and extending along the axial direction of the cylindrical portion and inserted into the slit.

5. The connector according to claim 4, wherein The metal shell has a positioning wall that abuts against the tip of the extending portion.

6. The connector according to any one of claims 2 to 5, wherein The connector includes: A rubber plug that prevents liquid from infiltrating along the insulating coating portion; and A stopper that is engaged with the metal shell to prevent the rubber plug from falling off, The stopper has a contact cylindrical portion that protrudes from the metal shell to the outside and contacts the outer circumference of the insulating coating portion, The cylindrical portion is arranged so as to cover the contact cylindrical portion.

Citation Information

Patent Citations

  • Connector

    WO2012124801A1