connector

By incorporating protrusions and flexures within the connector's housing, the stability of the ferrite core within the housing is resolved, ensuring stable retention of the ferrite core and smooth insertion of terminal components, thereby enhancing the overall stability and reliability of the connector.

CN115882260BActive Publication Date: 2026-01-23SUMITOMO WIRING SYSTEMS LTD
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Patent Information

Application Number
CN202211159940.6
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Priority Date
2021-09-29
Filing Date
2022-09-22
Publication Date
2026-01-23
Estimated Expiration
2042-09-22

AI Technical Summary

Technical Problem

In the prior art, the ferrite core is prone to falling off and shaking inside the connector housing, resulting in poor stability.

Method used

A protrusion is provided on at least one of the inner surface of the housing and the outer peripheral surface of the ferrite core to stably hold the ferrite core within the housing. The retaining force is enhanced by the elastic recovery force of the flexural portion, and misalignment is suppressed by the design of the opening and the fitting groove.

Benefits of technology

This design achieves a stable configuration of the ferrite core within the housing, reduces insertion friction, improves holding force, and allows for visual confirmation of the ferrite core's position, ensuring correct insertion and connection of terminal components.

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Abstract

The present invention relates to a connector in which a ferrite core is stably arranged in a housing. The connector (10) is provided with a ferrite core (12) and a housing (11) having a housing portion (20) in which the ferrite core (12) is housed. A protrusion (e.g., a first protrusion 21) that contacts the other of an inner side surface (23) of the housing portion (20) and an outer peripheral surface (12A) of the ferrite core (12) and holds the ferrite core (12) in the housing portion (20) is provided on at least one of the inner side surface (23) and the outer peripheral surface (12A).
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Description

TECHNICAL FIELD

[0001] The present disclosure relates to a connector. BACKGROUND

[0002] Patent Document 1 discloses a connector provided with a ferrite core (electrical component). The ferrite core is housed in a housing portion of a housing (connector housing). A through-hole is provided in the ferrite core, and a terminal member (receptacle contact) is inserted in the through-hole. Then, a cover is fastened to the housing, thereby preventing the ferrite core and the terminal member from falling backward. Further, a connector provided with a ferrite core is disclosed in Patent Document 2.

[0003] PRIOR ART DOCUMENTS

[0004] PATENT DOCUMENTS

[0005] Patent Document 1: Japanese Patent Application Publication No. 2005-44643

[0006] Patent Document 2: Japanese Patent Application Publication No. 2007-87681 SUMMARY

[0007] PROBLEMS TO BE SOLVED BY THE INVENTION

[0008] In the structure of Patent Document 1, because the ferrite core is held in the through-hole, there is a problem that the ferrite core is likely to fall backward at a stage before the cover is fastened to the housing. In addition, even after the cover is fastened, the ferrite core can be shaken in the through-hole.

[0009] Therefore, the present disclosure improves a technique capable of stably arranging a ferrite core in a housing.

[0010] MEANS FOR SOLVING THE PROBLEMS

[0011] The connector of the present disclosure is provided with: a ferrite core; and a housing having a housing portion that houses the ferrite core, a protrusion being provided in at least one of an inner side of the housing portion and an outer peripheral surface of the ferrite core to contact the other to hold the ferrite core in the housing portion.

[0012] EFFECT OF THE INVENTION

[0013] According to the present disclosure, it is possible to stably arrange a ferrite core in a housing. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 is a perspective view of a connector of Embodiment 1.

[0015] Figure 2 is an exploded perspective view of the connector of Embodiment 1.

[0016] Figure 3 is a rear view of the housing.

[0017] Figure 4 is a sectional view showing a state in which the ferrite core is housed halfway in the housing portion in a section cut by the A-A line of Figure 3 .

[0018] Figure 5 is a sectional view of the C-C line of Figure 4 .

[0019] Figure 6 is a sectional view showing a state in which the ferrite core is housed in the housing portion in a section cut by the A-A line of Figure 3 .

[0020] Figure 7 is a sectional view showing a state in which the terminal member is inserted halfway into the cavity composed of the first hole portion and the second hole portion in a section cut by the B-B line of Figure 3 .

[0021] Figure 8 is a sectional view of the D-D line of Figure 7 .

[0022] Figure 9 is a sectional view showing a state in which the terminal member is inserted into the cavity composed of the first hole portion and the second hole portion in a section cut by the B-B line of Figure 3 .

[0023] Figure 10 is a plan view of a state in which the ferrite core and the terminal member are assembled in the housing.

[0024] Figure 11 is a rear view of a state in which the ferrite core and the terminal member are assembled in the housing.

[0025] Figure 12 is a perspective view of a state in which the ferrite core, the terminal member, and the cover member are assembled in the housing.

[0026] Figure 13 is a sectional view showing a state in which the detection member is temporarily stopped in the housing in a section cut by the E-E line of Figure 11 .

[0027] Figure 14 is a side sectional view of a state in which the connector is fitted with the counterpart connector.

[0028] Figure 15 is a sectional view of the F-F line of Figure 14 .

[0029] Figure 16 is a sectional view of the G-G line of Figure 14 .

[0030] Figure 17 is Figure 14 a H-H line sectional view.

[0031] Figure 18 is a view corresponding to Figure 3 of other embodiments. DETAILED DESCRIPTION

[0032] [Explanation of Embodiments of the Present Disclosure]

[0033] First, an embodiment of the present disclosure will be explained.

[0034] The connector of the present disclosure,

[0035] (1) is provided with: a ferrite core; and a housing having a housing portion that houses the ferrite core, a protrusion being provided on at least one of an inner side surface of the housing portion and an outer peripheral surface of the ferrite core that contacts the other to hold the ferrite core inside the housing portion.

[0036] According to the above-described connector, the ferrite core can be stably disposed inside the housing portion of the housing.

[0037] (2) Preferably, the protrusion protrudes only from the inner side surface of the housing portion and the inner side surface of the housing portion among the outer peripheral surface of the ferrite core.

[0038] Since the protrusion does not have to be provided on the ferrite core, it is possible to avoid the structure of the ferrite core from being complicated.

[0039] (3) Preferably, the housing portion has a flexure portion that can be flexibly deformed to the outside, the flexure portion holding the ferrite core inside the housing portion in a manner of pressing the ferrite core in a state where the protrusion contacts the other.

[0040] According to the above-described connector, when the ferrite core is housed inside the housing portion, the flexure portion is flexed to the outside by the outer peripheral surface of the ferrite core pressing the protrusion, and it is possible to reduce the frictional force generated at the time of housing. Furthermore, the above-described connector can improve the holding force of holding the ferrite core by the elastic restoring force of the flexure portion.

[0041] (4) Preferably, the housing portion has an opening portion that exposes the outer peripheral surface of the ferrite core housed inside the housing portion to the outside of the housing.

[0042] According to the above-described connector, by the opening portion, it is possible to confirm from the outside whether or not the ferrite core is disposed in the housing portion.

[0043] (5) Preferably, the inner side surface of the housing has a first inner side surface and a second inner side surface that oppose each other, the ferrite core and the protrusion are disposed between the first inner side surface and the second inner side surface, the housing has an opening portion that opens the inside of the housing at a side different from the side at which the first inner side surface and the second inner side surface oppose each other, and at least one of the first inner side surface and the second inner side surface and a surface of the outer peripheral surface of the ferrite core that opposes the at least one surface have portions that are recessed and protruded to each other in a manner that restricts displacement of the ferrite core toward the opening portion.

[0044] According to the above-described connector, displacement of the ferrite core toward the opening portion can be suppressed, and the state in which the protrusion is in contact with the other surface can be maintained.

[0045] [Details of Embodiments of the Present Disclosure]

[0046] The specific examples of the present disclosure will be described below with reference to the drawings. Figure 1 Furthermore, the present disclosure is not limited to these examples, but is shown by the claims, and it is intended to include all modifications within the meaning and range equivalent to the claims.

[0047] [Embodiment 1]

[0048] Figure 1 The connector 10 of Embodiment 1 is disclosed. As shown in FIG. 1, the connector 10 is fitted with the counterpart connector 90. In the following description, the direction in which the connector 10 is fitted with the counterpart connector 90 is set as the front direction of the connector 10, and the opposite direction thereof is set as the rear direction of the connector 10. In addition, the upward and downward direction shown in FIG. 1 is set as the upward and downward direction of the connector 10 as it is. In addition, the leftward and rightward direction viewed from the front is set as the leftward and rightward direction of the connector 10. Figure 14 Figures 3-9 Figure 11 Figure 14

[0049] As shown in FIG. 1, the connector 10 includes a housing 11, a ferrite core 12, a terminal member 13, a cover member 14, and a detection member 15. Figure 2

[0050] [Terminal Member 13]

[0051] The terminal member 13 is made of metal, and is formed, for example, by bending processing of a metal plate. As shown in FIG. 2, the terminal member 13 has a base portion 13a, a pair of leg portions 13b, and a pair of contact portions 13c. Figure 2 Figure 14 ​​​​​​As shown, terminal part 13 is female. Terminal part 13 is L-shaped. Terminal part 13 has a cylindrical portion 70, a bent portion 71, and a wire connection portion 72. The cylindrical portion 70 is cylindrical (in this embodiment, it is square cylindrical) and extends in the front-to-back direction. The bent portion 71 is provided between the cylindrical portion 70 and the wire connection portion 72. The wire connection portion 72 extends in the vertical direction. The wire connection portion 72 is electrically connected to the conductor 74 covering the wire 73 by crimping or the like. Figure 11 As shown, multiple terminal parts 13 are provided (two in this embodiment), and they are arranged at intervals in the left-right direction.

[0052] <Ferrite Core 12>

[0053] like Figure 2 As shown, the ferrite core 12 has a first hole 80 and a fitting groove 81. The first hole 80 extends through the ferrite core 12 in the front-to-back direction. Multiple first holes 80 are provided at intervals in the left-to-right direction (two in this embodiment). Terminal parts 13 are inserted into the first holes 80 respectively. The fitting groove 81 is provided on the upper and lower sides of the outer peripheral surface 12A of the ferrite core 12. The fitting groove 81 extends along the front-to-back direction. The fitting groove 81 is formed covering the entire area of ​​the ferrite core 12 in the front-to-back direction.

[0054] <Shell 11>

[0055] The casing 11 is made of synthetic resin and has insulating properties. For example... Figure 3 As shown, the housing 11 has a storage portion 20, a first protrusion 21, and a fitting protrusion 22.

[0056] like Figure 4 As shown, the interior space of the storage section 20 is open at the rear. The ferrite core 12 is stored in the storage section 20 from the rear. Figure 4 and Figure 5 As shown, the storage section 20 has an inner surface 23 and an inner bottom surface 24. The inner surface 23 of the storage section 20 has a first inner surface 25 and a second inner surface 26. The first inner surface 25 is located on the upper side and faces downward. The second inner surface 26 is located on the lower side and faces upward. Multiple first inner surfaces 25 are spaced apart in the left-right direction (two in this embodiment). The second inner surface 26 is located in the left-right direction between the left end of the left first inner surface 25 and the right end of the right first inner surface 25. The internal space of the storage section 20 is open in the left-right direction. The housing 11 has openings 27 on both the left and right sides of the internal space of the storage section 20. Figure 13As shown, the opening portion 27 is a space that allows the second elastic locking portion 61 of the detection member 15 described later to enter between the left and right end faces of the outer peripheral surface 12A of the ferrite core 12 stored in the storage portion 20 and the first elastic locking portion 43 described later. A second hole portion 30 described later is formed on the inner bottom surface 24. A plurality (two in this embodiment) of the second hole portions 30 are provided at intervals in the left-right direction.

[0057] The first convex portion 21 corresponds to the "convex portion". As Figure 4 and Figure 5 shown, the first convex portion 21 protrudes from the first inner side surface 25. A plurality of the first convex portions 21 are provided at intervals in the left-right direction. The first convex portion 21 is disposed on the inner bottom surface 24 side of the storage portion 20. The first convex portion 21 extends along the front-rear direction. The front end of the first convex portion 21 is continuous with the inner bottom surface 24. The width dimension of the first convex portion 21 in the left-right direction is smaller than the width dimension of the first inner side surface 25 in the left-right direction. The first convex portion 21 has a first front convex portion 21A and a first rear convex portion 21B. The first front convex portion 21A is bent downward so as to protrude from the center in the left-right direction. The front end of the first front convex portion 21A is continuous with the inner bottom surface 24. The protruding dimension of the first front convex portion 21A is constant in the front-rear direction. The front end of the first rear convex portion 21B is continuous with the rear end of the first front convex portion 21A. The protruding dimension of the first rear convex portion 21B becomes smaller as it faces the rear. The first convex portion 21 is provided to the left of the leftmost second hole portion 30 and also to the right of the rightmost second hole portion 30. When the maximum dimension in the up-down direction of the outer peripheral surface 12A of the ferrite core 12 is set as X1, the interval in the up-down direction between the first inner side surface 25 and the second inner side surface 26 is set as X2, and the maximum protruding dimension of the first convex portion 21 (in other words, the protruding dimension of the first front convex portion 21A) is set as X3, the relationship of X2 - X3 < X1 holds.

[0058] The fitting convex portion 22 is provided on the second inner side surface 26. The fitting convex portion 22 extends along the front-rear direction. The fitting convex portion 22 is bent upward so as to protrude from the center in the left-right direction. The protruding dimension of the fitting convex portion 22 is constant in the front-rear direction. The fitting convex portion 22 is disposed between the two first convex portions 21 in the left-right direction and also between the two second hole portions 30.

[0059] As Figure 4 and Figure 5As shown, the storage section 20 has a first flexural section 28. The first flexural section 28 is equivalent to a "flexural part". The first flexural section 28 is formed into a two-end support shape with both front and rear ends supported, and can be flexed and deformed outward. The front end of the first flexural section 28 is connected to and supported by the wall portion constituting the inner bottom surface 24 of the storage section 20. The rear end of the first flexural section 28 is connected to and supported by the lower end of the mounting section 40, which will be described later. A plurality of first flexural sections 28 are provided at intervals in the left-right direction (two in this embodiment). The inner surface of the first flexural section 28 forms part of the inner surface 23 of the storage section 20. A first protrusion 21 is provided on the inner surface of each of the plurality of first flexural sections 28. The front-rear position of the front end of the first protrusion 21 is aligned with the front-rear position of the front end of the first flexural section 28. The front-rear position of the rear end of the first protrusion 21 is aligned with the front-rear position of the rear end of the first flexural section 28. Furthermore, the rear end of the first protrusion 21 may also be positioned forward of the rear end of the first flexural portion 28.

[0060] like Figure 5 and Figure 10 As shown, the receiving portion 20 has a first opening 29. The first opening 29 is equivalent to an "opening". The first opening 29 exposes the outer peripheral surface 12A of the ferrite core 12 received in the receiving portion 20 to the outside of the housing 11. The first opening 29 is provided between the two first flexural portions 28.

[0061] like Figure 7 and Figure 8 As shown, the housing 11 has a second hole 30, a second protrusion 31, a second flexure 32, a second opening 33, a front wall 34, and a through hole 35.

[0062] like Figure 7 As shown, the second hole 30 communicates with the internal space of the receiving portion 20 and extends forward from the internal space of the receiving portion 20. The second hole 30 is disposed in front of the first hole 80 of the ferrite core 12 housed in the receiving portion 20. The second hole 30 and the first hole 80 together form a cavity extending in the front-rear direction. The vertical dimension of the inner peripheral surface 30A of the second hole 30 is the same as the vertical dimension of the inner peripheral surface of the first hole 80, and the horizontal dimension of the inner peripheral surface 30A of the second hole 30 is the same as the horizontal dimension of the inner peripheral surface of the first hole 80. A terminal part 13 inserted from the rear of the first hole 80 is inserted into the second hole 30. A front wall 34 is provided on the front side of the second hole 30. The front wall 34 restricts the forward movement of the terminal part 13 disposed in the second hole 30. A through hole 35 penetrates the front wall 34 in the front-rear direction. The second hole 30 communicates with the through hole 35. The terminal part 13 disposed in the second hole 30 is electrically connected to the opposite terminal part 92 of the opposite connector 90 which is inserted from the outside through the insertion hole 35 (see reference). Figure 14). The inner peripheral surface 30A of the second hole portion 30 has a first surface 37 and a second surface 38. The first surface 37 is provided on the upper side and faces downward. The second surface 38 is provided on the lower side and faces upward. The first surface 37 and the second surface 38 face each other.

[0063] As shown in Figure 7 and Figure 8 , the second protrusion 31 protrudes from the first surface 37 of the second hole portion 30. The second protrusion 31 is disposed on the front end side of the second hole portion 30. The second protrusion 31 extends in the front-rear direction. The front end of the second protrusion 31 is continuous with the rear end of the front wall 34. The width dimension of the second protrusion 31 in the left-right direction is smaller than the width dimension of the first surface 37 in the left-right direction. The second protrusion 31 has a second front-side protrusion 31A and a second rear-side protrusion 31B. The second front-side protrusion 31A is curved downward in a manner that protrudes in the left-right direction. The front end of the second front-side protrusion 31A is continuous with the rear end of the front wall 34. The protrusion dimension of the second front-side protrusion 31A is constant in the front-rear direction. The front end of the second rear-side protrusion 31B is continuous with the rear end of the second front-side protrusion 31A. The protrusion dimension of the second rear-side protrusion 31B decreases as it faces the rear. In a case where the maximum dimension in the up-down direction of the barrel portion 70 in the terminal component 13 is set as Y1, the interval in the up-down direction of the first surface 37 and the second surface 38 is set as Y2, and the maximum protrusion dimension of the second protrusion 31 (in other words, the protrusion dimension of the second front-side protrusion 31A) is set as Y3, the relationship Y2-Y3<Y1 is satisfied.

[0064] As shown in Figure 7 , Figure 8 and Figure 10 , the second flexure portion 32 has a two-end support shape in which both ends are supported, and is capable of being deformed in flexure to the outside. The front end portion of the second flexure portion 32 is supported by the front wall 34, and the rear end portion of the second flexure portion 32 is supported by the wall portion of the inner bottom surface 24 that configures the housing portion 20. The inner side surface of the second flexure portion 32 configures a part of the inner peripheral surface 30A of the second hole portion 30. The second protrusion 31 is provided on the inner side surface of the second flexure portion 32. The position in the front-rear direction of the front end of the second protrusion 31 is aligned with the position in the front-rear direction of the front end of the second flexure portion 32. The rear end of the second protrusion 31 is disposed further to the front than the rear end of the second flexure portion 32. Further, it is also possible to align the position in the front-rear direction of the rear end of the second protrusion 31 with the position in the front-rear direction of the rear end of the second flexure portion 32.

[0065] As shown in Figure 8 and Figure 10 , the second opening portion 33 exposes the barrel portion 70 disposed inside the second hole portion 30 to the outside of the housing 11. The second opening portion 33 exposes the front end of the barrel portion 70 to the outside of the housing 11. The second opening portion 33 is provided on both sides of the second flexure portion 32.

[0066] AsFigure 12 As shown, the housing 11 has a mounting portion 40, a limiting portion 41, and a guiding portion 42. The mounting portion 40 connects the left and right sides of the upper end of the storage portion 20. The mounting portion 40 has: legs 40A extending upward from the left and right sides of the storage portion 20 respectively; a connecting portion 40B connecting the left and right legs 40A to each other; and an extension portion 40C extending outward from the left and right legs 40A. The limiting portion 41 is provided below the connecting portion 40B. The limiting portion 41 restricts the forward movement of the detection member 15. The guiding portion 42 is provided below the limiting portion 41. The guiding portion 42 guides the detection member 15 in such a way that the pair of locking arms 62 (described later) expand outward in the left and right directions.

[0067] like Figure 12 and Figure 13 As shown, the housing 11 has a first elastic locking portion 43. The first elastic locking portions 43 are provided in pairs at the ends of the left and right sides of the housing 11. The first elastic locking portions 43 are connected to the lower surfaces of the extension portions 40C on the left and right sides of the mounting portion 40, and extend forward in a cantilever shape. The first elastic locking portions 43 cover the left and right sides of the receiving portion 20. The first elastic locking portion 43 has a first elastic plate portion 43A, a first temporary locking portion 43B, and a first permanent locking portion 43C. The first elastic plate portion 43A extends forward in a cantilever shape from the mounting portion 40, forming a plate with thickness in the left-right direction. The first temporary locking portion 43B and the first permanent locking portion 43C are provided inside the first elastic plate portion 43A in the left-right direction. The first temporary locking portion 43B is positioned rearward than the first permanent locking portion 43C. The detection member 15 is locked to the first elastic locking portion 43.

[0068] like Figure 2 As shown, the housing 11 has a hanging portion 44. The hanging portion 44 hangs down from the rear end of the receiving portion 20. The hanging portion 44 is formed into a wall with thickness in the front-rear direction. The hanging portion 44 has a cover locking portion 44A.

[0069] <Cover Component 14>

[0070] like Figure 2 As shown, the cover member 14 has a cover body 50, a first through hole 51, a second through hole 52, and a cover side locking portion 53. The cover body 50 is formed into a wall shape with thickness in the front-rear direction. The first through hole 51 penetrates the cover body 50 in the front-rear direction. The first through holes 51 are provided in pairs on the left and right sides of the cover body 50. The second through holes 52 penetrate the cover body 50 in the front-rear direction. The second through holes 52 are provided in pairs on the left and right sides of the cover body 50. The paired second through holes 52 are located further inward in the left-right direction than the first through holes 51 on the left and right sides. The cover side locking portion 53 can be flexibly deformed and locked onto the cover locking portion 44A of the housing 11.

[0071] <Detection member 15>

[0072] As Figure 2 shown, the detection member 15 has a base portion 60, a second elastic locking portion 61, a lock arm 62, and an interference portion 63. The base portion 60 is formed in a plate shape having a thickness in the front-rear direction. The second elastic locking portion 61 extends in a cantilever shape from the base portion 60 toward the front. The second elastic locking portion 61 is provided in pairs in the left-right direction. As Figure 2 and Figure 13 shown, the second elastic locking portion 61 has a second elastic plate portion 61A, a second temporary locking portion 61B, and a second formal locking portion 61C. The second elastic plate portion 61A extends in a cantilever shape from the base portion 60 toward the front, and is formed in a plate shape having a thickness in the left-right direction. The second temporary locking portion 61B and the second formal locking portion 61C are provided on the outer sides of the second elastic plate portion 61A in the left-right direction. The second temporary locking portion 61B is disposed further toward the rear than the second formal locking portion 61C. The second temporary locking portion 61B is locked to the first temporary locking portion 43B of the housing 11. Thus, the detection member 15 is temporarily locked to the housing 11. The second formal locking portion 61C is locked to the first formal locking portion 43C of the housing 11. Thus, the detection member 15 is formally locked to the housing 11.

[0073] <Opposite-side connector 90>

[0074] As Figures 14-16 shown, the opposite-side connector 90 has an opposite-side housing 91, opposite-side terminal pieces 92, and a short-circuiting terminal 93. The opposite-side housing 91 has an outer housing 94 and an inner housing 95. The inner housing 95 has a lock receiving portion 96. The opposite-side terminal pieces 92 are provided in a plurality (two in the present embodiment). In a state before the opposite-side connector 90 is fitted to the connector 10, the short-circuiting terminal 93 is electrically connected to each of the two opposite-side terminal pieces 92.

[0075] <Assembly of connector 10>

[0076] As Figure 4As shown, the ferrite core 12 is received from the rear within the receiving portion 20 of the housing 11. At the initial stage of reception, the ferrite core 12 does not interfere with the first protrusion 21 within the receiving portion 20, thus the frictional resistance applied to the ferrite core 12 is small, allowing for smooth insertion. When the ferrite core 12 interferes with the first rear protrusion 21B, the frictional resistance applied to the ferrite core 12 gradually increases as it moves forward. At this time, the ferrite core 12 moves forward while flexing the first flexure portion 28 outward. As the ferrite core 12 moves further forward, it interferes with the first front protrusion 21A, and the flat upper surface of the outer peripheral surface 12A of the ferrite core 12 makes strong contact with the first front protrusion 21A. Because the front end of the first flexure portion 28 is fixed, the frictional resistance applied to the ferrite core 12 further increases as it moves forward. When the ferrite core 12 is moved to its proper storage location, such as Figure 6 As shown, the ferrite core 12 is held in a state where it is clamped by the first protrusion 21 and the second inner surface 26, thus restricting its movement. Therefore, the ferrite core 12 is housed within the housing 20. Figure 10 As shown, the ferrite core 12 housed in the housing 20 is exposed to the outside of the housing 11 through the first opening 29.

[0077] Additionally, when the ferrite core 12 is housed within the housing 20, such as Figure 11 As shown, the ferrite core 12 is housed by engaging the fitting groove 81 on the lower side with the fitting protrusion 22 of the housing portion 20. This suppresses misalignment of the ferrite core 12 in the left-right direction.

[0078] Next, as Figure 7 As shown, the cylindrical portion 70 of the terminal part 13 is inserted from the rear into the first hole 80 of the ferrite core 12 held within the receiving portion 20. No second protrusion 31 is provided within the first hole 80. Therefore, the frictional resistance applied to the cylindrical portion 70 is small before the front end of the cylindrical portion 70 disengages from the first hole 80, allowing for smooth insertion.

[0079] After the front end of the cylindrical part 70 disengages from the first hole part 80, as... Figure 9As shown, it is inserted into the second hole 30 positioned in front of the first hole 80. The vertical and horizontal dimensions of the second hole 30 are the same as those of the first hole 80. Therefore, when the position of the ferrite core 12 is not fixed, the cylindrical portion 70 may collide with the peripheral portion of the rear end of the second hole 30. In this respect, because the ferrite core 12 is held between the first protrusion 21 and the second inner side 26, the first hole 80 and the second hole 30 are easily aligned front to back. Therefore, the cylindrical portion 70 is less likely to collide with the peripheral portion of the rear end of the second hole 30 and can be easily and smoothly inserted into the second hole 30. When the cylindrical portion 70 is inserted into the second hole 30, it interferes with the second rear protrusion 31B from the middle. When the cylindrical portion 70 interferes with the second rear protrusion 31B, the frictional resistance applied to the cylindrical portion 70 gradually increases as it moves forward. At this time, the cylindrical portion 70 moves forward while flexing the second flexural portion 32 outward. As the cylindrical portion 70 moves further forward, it interferes with the second front protrusion 31A, and the flat upper surface of the outer peripheral surface 70A of the cylindrical portion 70 makes strong contact with the second front protrusion 31A. The front end of the second flexural portion 32 is fixed, therefore, as it moves forward, the frictional resistance applied to the cylindrical portion 70 further increases. When the cylindrical portion 70 moves to the correct insertion position, it is clamped by the second protrusion 31 and the second surface 38, and is held in a state where wobbling is restricted. Thus, the cylindrical portion 70 is configured to extend from the first hole 80 to the second hole 30. Figure 10 As shown, the cylindrical portion 70 disposed in the second hole portion 30 is exposed to the outside of the housing 11 through the second opening portion 33.

[0080] Next, as Figure 12 As shown, the cover member 14 is assembled to the housing 11, covering the rear of the terminal part 13. Furthermore, as... Figure 13 As shown, the detection member 15 is temporarily locked to the housing 11. When temporarily locked, a pair of second elastic locking portions 61 of the detection member 15 are respectively inserted into a pair of first through holes 51 of the cover member 14. A pair of locking arms 62 of the detection member 15 are respectively inserted into a pair of second through holes 52 of the cover member 14. A pair of second elastic locking portions 61 are disposed between the receiving portion 20 of the housing 11 and a pair of first elastic locking portions 43. Furthermore, as... Figure 17 As shown, after connector 10 is engaged with the other connector 90, the detection component 15 is properly locked relative to the housing 11. At this time, as... Figure 15 As shown, the locking arm 62 of the detection component 15 is engaged with the locked portion 96 of the opposite-side connector 90. Additionally, as... Figure 14 As shown, the locking arm 62 disconnects the electrical connection between the opposite-side terminal part 92 and the short-circuit terminal 93. Additionally, as... Figure 15 As shown, a pair of second elastic locking portions 61 fill the gap formed between the ferrite core 12 disposed in the storage portion 20 and a pair of first elastic locking portions 43.

[0081] Further, when the detection member 15 is intended to be moved from the temporary locking position to the formal locking position in a state where the connector 10 and the counterpart connector 90 are not regularly mated, the pair of locking arms 62 is spread to the left and right directions by the inducing portion 42, and then, instead of being maintained in the spread state by the locking portion 96, the pair of locking arms 62 is closed (see FIG. 7). As a result, the restricting portion 41 interferes with the interfering portion 63, and the movement of the detection member 15 to the front is restricted. That is, it is confirmed that the connector 10 is regularly mated with the counterpart connector 90, based on the detection member 15 being locked to the counterpart connector 90. Figure 16 and Figure 17 As a result, the restricting portion 41 interferes with the interfering portion 63, and the movement of the detection member 15 to the front is restricted. That is, it is confirmed that the connector 10 is regularly mated with the counterpart connector 90, based on the detection member 15 being locked to the counterpart connector 90.

[0082] <Effects of the connector 10>

[0083] According to the connector 10, the ferrite core 12 disposed in the housing 11 is held in a state of being sandwiched by the first protrusion 21 and the second inner side surface 26. In addition, by this, the ferrite core 12 is positioned, and thus, the insertion of the terminal member 13 into the first hole portion 80 of the ferrite core 12 becomes easy, and the insertion into the second hole portion 30 disposed in front of the first hole portion 80 also becomes easy. Further, the first protrusion 21 is provided only on the upper side in the accommodation portion 20, and thus, compared with a structure in which the first protrusion 21 is provided on both the upper and lower sides, the position in the up-down direction is easily stabilized.

[0084] Further, the first protrusion 21 is disposed on the inner bottom surface 24 side of the accommodation portion 20, and thus, the ferrite core 12 interferes with the first protrusion 21 only at the final stage of the insertion, and as a result, the reduction of the frictional force at the initial stage of the insertion is achieved.

[0085] Further, the first protrusion 21 protrudes from the inner side surface of the first flexure portion 28. Thus, when the ferrite core 12 is accommodated in the accommodation portion 20, the first flexure portion 28 is flexed outward by being pressed by the outer peripheral surface 12A of the ferrite core 12 via the first protrusion 21, and the frictional force generated at the time of the accommodation can be reduced. Further, the connector 10 can improve the holding force of the ferrite core 12 by the elastic restoring force of the first flexure portion 28.

[0086] Further, the outer peripheral surface 12A of the ferrite core 12 accommodated in the accommodation portion 20 is exposed to the outside of the housing 11 via the first opening portion 29. Thus, by the first opening portion 29, it is possible to confirm from the outside by visual inspection or the like whether or not the ferrite core 12 is disposed in the accommodation portion 20.

[0087] Further, a fitting groove 81 is provided on the outer circumferential surface 12A of the ferrite core 12, and a fitting protrusion 22 is provided on the second inner side surface 26 of the housing 20. Therefore, by fitting the fitting protrusion 22 and the fitting groove 81, displacement of the ferrite core 12 to the left and right directions (the opening 27) is suppressed, and the state in which the first protrusion 21 and the outer circumferential surface 12A of the ferrite core 12 are in contact is maintained.

[0088] Further, since the cylindrical portion 70 of the terminal member 13 is held in the second hole portion 30, the terminal member 13 disposed in the first hole portion 80 that penetrates the ferrite core 12 can be held. In addition, by this, the terminal member 13 is positioned, and thus connection with the counterpart terminal member 92 becomes easy. Further, the second protrusion 31 is provided only on the upper side of the second hole portion 30, and thus, compared with a structure in which the second protrusion 31 is provided on both the upper and lower sides, the position in the up and down directions is easily stabilized.

[0089] Further, the second protrusion 31 protrudes only from the inner circumferential surface 30A of the second hole portion 30 among the inner circumferential surface 30A of the second hole portion 30 and the outer circumferential surface 70A of the cylindrical portion 70. In the case where the second protrusion 31 protrudes from the outer circumferential surface 70A of the cylindrical portion 70, when the terminal member 13 is inserted into the first hole portion 80, it is possible that the second protrusion 31 scratches the inner circumferential surface of the ferrite core 12. However, according to the connector 10, since the second protrusion 31 is provided only on the housing 11 side, such a problem can be avoided. In addition, interference of the terminal member 13 and the second protrusion 31 does not occur in the first hole portion 80, and thus, when the terminal member 13 is inserted into the first hole portion 80, the frictional force applied to the terminal member 13 can be reduced.

[0090] Further, the second protrusion 31 protrudes from the second bent portion 32. Therefore, when the terminal member 13 is inserted into the second hole portion 30, the second bent portion 32 is bent outward by being pressed by the cylindrical portion 70 through the second protrusion 31, and the frictional force generated at the time of insertion can be reduced. Further, the connector 10 can improve the holding force of holding the terminal member 13 by the elastic force of the second bent portion 32.

[0091] Further, the cylindrical portion 70 is exposed to the outside of the housing 11 through the second opening portion 33. Therefore, by the second opening portion 33, it is possible to confirm from the outside by visual inspection or the like whether or not the cylindrical portion 70 is disposed in the second hole portion 30.

[0092] [Other Embodiments of the Present Disclosure]

[0093] It should be considered that the embodiments of the present disclosure are illustrative in all respects, not restrictive.

[0094] (1) In the above embodiment, the first protrusion is provided on the upper side of the inner side surface of the housing, but can be provided on the lower side, or on the left side, or on the right side. In addition, the first protrusion can be provided on both the upper and lower sides of the inner side surface of the housing, or on both the left and right sides, or on all of the upper, lower, left, and right sides.

[0095] (2) In the above embodiment, the second protrusion is provided on the upper side of the inner peripheral surface of the second hole portion, but can be provided on the lower side, or on the left side, or on the right side. In addition, the second protrusion can be provided on both the upper and lower sides of the inner peripheral surface of the second hole portion, or on both the left and right sides, or on all of the upper, lower, left, and right sides.

[0096] (3) In the above embodiment, the first protrusion is provided on the housing, but can be provided on the ferrite core, or on both the housing and the ferrite core.

[0097] (4) In the above embodiment, the second protrusion is provided on the housing, but can be provided on the terminal member, or on both the housing and the terminal member.

[0098] (5) In the above embodiment, the connector is provided with the first bent portion, but can be provided without the first bent portion.

[0099] (6) In the above embodiment, the connector is provided with the second bent portion, but can be provided without the second bent portion.

[0100] (7) In the above embodiment, the connector is provided with the first opening portion, but can be provided without the first opening portion.

[0101] (8) In the above embodiment, the connector is provided with the second opening portion, but can be provided without the second opening portion.

[0102] (9) In the above embodiment, the ferrite core is provided with the fitting groove, and the housing is provided with the fitting protrusion, but another structure can be employed. For example, the ferrite core can be provided with the fitting protrusion, and the housing can be provided with the fitting groove. In addition, the ferrite core can be provided with both the fitting groove and the fitting protrusion, and the housing can be provided with both the fitting groove and the fitting protrusion. In addition, the ferrite core can be provided with neither the fitting groove nor the fitting protrusion, and the housing can be provided with neither the fitting groove nor the fitting protrusion.

[0103] (10) In the above-described embodiment, the connector is a structure having the second protrusion, but can also be a structure as shown in FIG. 10 not having the second protrusion. Figure 18

[0104] Reference Signs

[0105] 10: Connector

[0106] 11: Housing

[0107] 12: Ferrite core

[0108] 12A: Outer circumferential surface of ferrite core

[0109] 13: Terminal member

[0110] 14: Cover member

[0111] 15: Detection member

[0112] 20: Accommodation portion

[0113] 21: First protrusion (protrusion)

[0114] 21A: First front-side protrusion

[0115] 21B: First rear-side protrusion

[0116] 22: Fitting protrusion

[0117] 23: Inner side surface of accommodation portion

[0118] 24: Inner bottom surface of accommodation portion

[0119] 25: First inner side surface

[0120] 26: Second inner side surface

[0121] 27: Open portion

[0122] 28: First flexure portion (flexure portion)

[0123] 29: First opening portion (opening portion)

[0124] 30: Second hole portion

[0125] 30A: Inner circumferential surface of second hole portion

[0126] 31: Second protrusion

[0127] 31A: Second front-side protrusion

[0128] 31B: Second rear-side protrusion

[0129] 32: Second flexure portion

[0130] 33: Second opening portion​

[0131] 34: front wall

[0132] 35: insertion hole

[0133] 37: first surface

[0134] 38: second surface

[0135] 40: mounting portion

[0136] 40A: leg portion

[0137] 40B: connecting portion

[0138] 40C: extension portion

[0139] 41: restricting portion

[0140] 42: inducing portion

[0141] 43: first elastic locking portion

[0142] 43A: first elastic plate portion

[0143] 43B: first temporary locking portion

[0144] 43C: first formal locking portion

[0145] 44: hanging portion

[0146] 44A: cover locking portion

[0147] 50: cover main body

[0148] 51: first through hole

[0149] 52: second through hole

[0150] 53: cover-side locking portion

[0151] 60: base portion

[0152] 61: second elastic locking portion

[0153] 61A: second elastic plate portion

[0154] 61B: second temporary locking portion

[0155] 61C: second formal locking portion

[0156] 62: lock arm

[0157] 63: interference portion

[0158] 70: cylindrical portion

[0159] 70A: outer circumferential surface of cylindrical portion

[0160] 71: bending portion

[0161] 72: electric wire connecting portion

[0162] 73: electric wire

[0163] 74: conductor

[0164] 80: 1st hole portion

[0165] 81: fitting groove

[0166] 90: counterpart connector

[0167] 91: counterpart housing

[0168] 92: counterpart terminal member

[0169] 93: short-circuiting terminal

[0170] 94: outer housing

[0171] 95: inner housing

[0172] 96: locked portion

[0173] X1: maximum dimension in the up-down direction of the outer circumferential surface of the ferrite core

[0174] X2: interval in the up-down direction of the 1st inner side surface and the 2nd inner side surface

[0175] X3: maximum protruding dimension of the 1st protruding portion

[0176] Y1: maximum dimension in the up-down direction of the cylindrical portion in the terminal member

[0177] Y2: interval in the up-down direction of the 1st surface and the 2nd surface

[0178] Y3: maximum protruding dimension of the 2nd protruding portion

Claims

1. A connector comprising: Ferrite core; and The housing has a receiving portion for receiving the ferrite core. At least one of the inner surface of the receiving portion and the outer peripheral surface of the ferrite core is provided with a protrusion that contacts the other and holds the ferrite core within the receiving portion. The ferrite core is housed within the receiving portion from the rear. The storage section has a flexible portion that can bend and deform outwards. The flexural portion forms a two-end support shape with both front and rear ends supported. The protrusion is provided on the inner side of the flexural portion. The flexural portion holds the ferrite core within the receiving portion by pressing it down while the protrusion is in contact with the other side.

2. The connector according to claim 1, wherein, The protrusion protrudes only from the inner side of the receiving part and the outer peripheral surface of the ferrite core.

3. The connector according to claim 1 or claim 2, wherein, The receiving portion has an opening that exposes the outer peripheral surface of the ferrite core received within the receiving portion to the outside of the housing.

4. The connector according to claim 1 or claim 2, wherein, The inner surface of the storage section has a first inner surface and a second inner surface that are opposite to each other. The ferrite core and the protrusion are disposed between the first inner surface and the second inner surface. The housing has an opening on a side opposite to the first inner surface and the second inner surface, allowing the storage portion to be opened. At least one of the first inner surface and the second inner surface, and the surface of the outer peripheral surface of the ferrite core opposite to the at least one, have portions that interlock with each other in a manner that restricts the displacement of the ferrite core toward the opening.

Citation Information

Patent Citations

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