connector

By using a combination design of annular or cylindrical sealing components and abutment parts in the connector, the problem of axial misalignment between the housing and the mating side fitting space is solved, achieving proper alignment of the terminal fittings and high-quality electrical connection, avoiding overload and uneven sealing.

CN115995724BActive Publication Date: 2026-03-03YAZAKI CORP
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-10-19
Publication Date
2026-03-03

AI Technical Summary

Technical Problem

In connectors, if the axis between the housing and the mating insert is misaligned, the terminal fittings cannot be properly aligned, affecting the quality of the electrical connection and potentially causing overload.

Method used

The combination design of the sealing component and the abutment part in the ring or cylindrical shape ensures that the center of the mating wall is aligned with the mating space on the mating side, and the positional displacement of the housing relative to the inner circumferential surface of the mating space is suppressed by the combination of at least 3 sets of abutment parts and abutment parts.

Benefits of technology

Proper alignment of terminal fittings was achieved, improving electrical connection quality, preventing overload, and ensuring the uniformity of sealing function.

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Abstract

A connector that properly adjusts the core of a terminal fitting, comprising: a terminal fitting that connects with a counterpart terminal fitting of a counterpart fitting space; a housing that has a fitting wall that fits into the counterpart fitting space and a terminal housing portion that houses the terminal fitting and is inserted into the counterpart fitting space together with the fitting wall; and a ring-shaped or cylindrical seal member that is elastically deformable, fills a ring-shaped or cylindrical gap between an outer peripheral surface of the fitting wall and an inner peripheral surface of the counterpart fitting space in a fitting completion position in which the positions of the shaft centers of the fitting wall and the counterpart fitting space are aligned, and is provided at at least three positions with a pair of contacted portions that contact with a contact portion of the counterpart fitting space in the fitting completion position, and is formed so that the distance from the shaft center of the fitting wall to the contact position of the contact portion is the same as the distance from the shaft center of the counterpart fitting space to the contact position.
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Description

Technical Field

[0001] This invention relates to a connector. Background Technology

[0002] In connectors, if the terminal accessory is not positioned in the designed-specific position relative to the mating terminal accessory, the electrical connection quality between the terminal accessory and the mating terminal accessory may not be achieved, or overload may occur between the terminal accessory and the mating component. Therefore, conventional connectors are sometimes configured to allow adjustment of the physical positional relationship between the terminal accessory and the mating terminal accessory. For example, Patent Document 1 discloses a connector that has an alignment function for the terminal accessory by accommodating it in a state that allows relative movement with respect to the housing.

[0003] Existing technical documents

[0004] Patent documents

[0005] Patent Document 1: Japanese Patent Application Publication No. 2011-34825 Summary of the Invention

[0006] The technical problem that the invention aims to solve

[0007] However, in conventional connectors, if there is an axial offset between the housing and the mating part into which the housing is inserted, even if the terminal accessory can be aligned relative to the housing, it may not be possible to properly align the terminal accessory relative to the mating side terminal accessory.

[0008] Therefore, the object of the present invention is to provide a connector capable of properly adjusting the terminal fittings.

[0009] Technical means for solving problems

[0010] To achieve the above objectives, the present invention is characterized by comprising: a terminal fitting, which is physically and electrically connected to a mating-side terminal fitting disposed in a mating-side fitting space; a housing having a fitting wall that is inserted into the mating-side fitting space from an insertion port along the housing insertion direction, and a terminal receiving chamber that houses the terminal fitting and is inserted into the mating-side fitting space together with the fitting wall; and an annular or cylindrical elastically deformable sealing member, which, at the mating-side fitting space's mating completion position where the fitting walls are aligned with each other's axial centers, ... The sealing component circumferentially fills the annular or cylindrical gap between the outer peripheral surface of the mating wall and the inner peripheral surface of the mating space. The housing has an abutting portion that abuts against an abutting portion on the inner peripheral surface side of the mating space at the mating completion position. The abutting portion and the abutting portions paired with the abutting portion are disposed at at least three locations. The abutting portion is formed such that the distance from the axis of the mating wall to the contact point between the abutting portion and the abutting portion is the same as the distance from the axis of the mating space to the contact point.

[0011] Invention Effects

[0012] The connector of this invention, through a combination of at least three sets of abutting parts and abutting parts, enables the alignment of the axis of the mating wall with respect to the axis of the mating space in the fully engaged position, and suppresses positional displacement of the housing relative to the inner circumferential surface of the mating space in the fully engaged position. Therefore, this connector allows for proper alignment of the terminal fittings. Attached Figure Description

[0013] Figure 1 This is a perspective view of the connector in the embodiment.

[0014] Figure 2 This is a perspective view of the connector and mating side connector of the embodiment from another angle, showing their mating connection.

[0015] Figure 3 yes Figure 2 A magnified view of the cross section along line X1-X1.

[0016] Figure 4 This is a perspective view of the connector and mating side connector of the embodiment from another angle, showing them before their mating connection.

[0017] Figure 5 This is a top view of the connector housing and second sealing component of the embodiment pulled out and viewed from the wire outlet side.

[0018] Figure 6This is a top view of the connector according to the embodiment, viewed from the side of the terminal receiving portion.

[0019] Figure 7 This is an exploded perspective view of the connector in the embodiment.

[0020] Figure 8 yes Figure 6 A magnified view of the cross section along line X2-X2.

[0021] Figure 9 Is to make Figure 6 A magnified view of the YY line profile after rotating it 90 degrees.

[0022] Figure 10 yes Figure 6 A magnified view of the cross section along line X3-X3.

[0023] Figure 11 This is an exploded perspective view of the housing and the second sealing component.

[0024] Figure 12 This is an exploded perspective view of the terminal accessories and anti-detachment components.

[0025] Figure 13 This is a perspective view showing the terminal fittings and anti-disengagement components in a locked state.

[0026] Figure 14 This is an exploded perspective view of the terminal housing and the anti-detachment component.

[0027] Figure 15 It is a perspective view showing the terminal housing and anti-dislodgement component in a locked state inside, with a portion of the housing cut off.

[0028] Figure 16 This is a perspective view of the terminal housing and anti-dislodgement components in a locked state, viewed from another angle by removing a portion of the housing.

[0029] Symbol Explanation

[0030] 1 Connector

[0031] 10-terminal accessories

[0032] 14. Stuck part

[0033] 15 Anti-hair loss compartment

[0034] 20. Housing

[0035] 20a Terminal Reception Chamber

[0036] 21 chimeric wall

[0037] 21a Outer peripheral surface

[0038] 22 Terminal Receiving Section

[0039] 25 were received

[0040] 40 anti-slip components

[0041] 43-terminal locking part

[0042] 52 Second sealing component (sealing component)

[0043] 500b mating side fitting space

[0044] 500b1 inner circumferential surface

[0045] 500c Insertion Port

[0046] 500d cone

[0047] 500d1 landing section

[0048] 510 mating side terminal accessories

[0049] P axis

[0050] Pc contact location Detailed Implementation

[0051] Hereinafter, embodiments of the connector according to the present invention will be described in detail with reference to the accompanying drawings. However, the present invention is not limited to these embodiments.

[0052] [Implementation Method]

[0053] based on Figures 1 to 16 One embodiment of the connector involved in this invention will be described.

[0054] Figures 1 to 10 The symbol 1 indicates the connector of this embodiment. This connector 1 is mounted on the end of the wire We and is electrically connected to the target device (not shown) of the wire We. Furthermore, this connector 1 connects to the mating-side terminal fitting 510 of the mating-side device 500. Figure 3 and Figure 4 The mating-side terminal accessory 510 is disposed in the mating-side fitting space 500b of the housing 500a of the mating-side device 500, and is electrically connected to the connector 1 embedded in the mating-side fitting space 500b. For example, in this case, the target device of the wire We is the inverter of a vehicle, and the mating-side device 500 is the rotating mechanism of the vehicle.

[0055] The connector 1 includes terminal fittings 10, housing 20, shielding shell 30, and anti-disengagement component 40. Figure 6 as well as Figure 7 ).

[0056] Terminal fitting 10 is formed of a conductive material such as metal. For example, terminal fitting 10 is formed into a predetermined shape by stamping a metal sheet as a base material through bending, cutting, or other processes. Terminal fitting 10 is installed at the end of wire We for electrical connection. Furthermore, terminal fitting 10 is physically and electrically connected to mating-side terminal fitting 510 disposed in mating-side fitting space 500b. Therefore, terminal fitting 10 has: a terminal connection portion 11, which is physically and electrically connected to mating-side terminal fitting 510; and a wire connection portion 12, which is physically and electrically connected to the end of wire We. Figure 7 ).

[0057] The terminal connection portion 11 can be fitted into the mating-side terminal connection portion 511 of the mating-side terminal fitting 510, or it can be threadedly fixed to the mating-side terminal connection portion 511. In this embodiment, the terminal connection portion 11 is formed to fit into the mating-side terminal connection portion 511. Therefore, one of the terminal connection portion 11 and the mating-side terminal connection portion 511 is formed as a female terminal, and the other is formed as a male terminal.

[0058] The terminal connection portion 11 shown here is formed in the shape of a cylindrical female terminal, and the mating side terminal connection portion 511 is inserted into its inner side. Figure 3 The terminal connection portion 11 is inserted into the mating-side fitting space 500b along the housing 20 of the connector 1 in the housing insertion direction, and the mating-side terminal connection portion 511 is inserted in the opposite direction to the housing insertion direction. The terminal connection portion 11 is formed, for example, in a square or cylindrical shape. Here, the terminal connection portion 11 is formed in a square shape (…). Figure 7 Furthermore, the mating side terminal connection portion 511 shown here is formed in the shape of a sheet (so-called male connector shape) male terminal. Figure 3 and Figure 4 ).

[0059] Additionally, the terminal connection portion 11 shown here has an integral or separate elastic contact portion 13a on its inner side. Figure 10 The elastic contact portion 13a is a part that uses the elastic force accompanying elastic deformation to ensure the contact pressure between the contact and the mating terminal connection portion 511. Here, the contact component 13, which is separate from the terminal accessory 10, has the elastic contact portion 13a. In this connector 1, the elastic contact portion 13a is disposed inside the terminal connection portion 11 by assembling the contact component 13 inside the terminal connection portion 11. The elastic contact portion 13a contacts a plane of the sheet-like mating terminal connection portion 511 and applies an elastic force to that plane, for example, in an orthogonal direction.

[0060] The wire connector 12 is physically and electrically connected to the wire We, for example, by crimping or welding the core wire at the end of the wire We. The wire connector 12 shown here is crimped to the core wire by fastening two cylindrical plates to the exposed core wire.

[0061] In this example, the terminal fitting 10 is formed in a straight line shape, arranging the terminal connection portion 11 and the wire connection portion 12 on a straight line. Therefore, the wire We is led out from the wire connection portion 12 in the extending direction of the terminal fitting 10 along this straight line. However, the terminal fitting 10 may also have the terminal connection portion 11 and the wire connection portion 12 arranged orthogonally, or the terminal connection portion 11 and the wire connection portion 12 arranged crosswise.

[0062] The connector 1 shown here has a combination of 3 pairs of terminal accessories 10 and wires We.

[0063] The housing 20 is formed of an insulating material such as synthetic resin. The housing 20 accommodates the terminal fitting 10 and the wire We in an inner, fully accommodated position. Furthermore, within the housing 20, the terminal fitting 10 is held in the fully accommodated position, and the wire We is led out from the inside to the outside.

[0064] The housing 20 has a fitting wall 21, which is inserted from the insertion port 500c into the mating side fitting space 500b along the housing insertion direction. Figure 3 and Figure 4 The fitting wall 21 and the mating side fitting space 500b are formed such that the orthogonal cross-sectional shapes of the outer peripheral surface 21a of the fitting wall 21 and the inner peripheral surface 500b1 of the mating side fitting space 500b relative to their respective housing insertion directions are such that the axis P( Figure 5 The mating wall 21 is similar in shape to the mating side mating space 500b, and the positions of their axes P are aligned to fit the mating wall 21 into the mating side mating space 500b. The mating side mating space 500b shown here is formed as an elongated oval through hole. Therefore, the mating wall 21 shown here is formed with an elongated oval outer peripheral surface 21a having a shape similar to that of the mating side mating space 500b.

[0065] Additionally, the housing 20 has a terminal receiving portion 22, which allows the terminal fitting 10 to be received in the inner terminal receiving chamber 20a. Figure 1 , Figure 3 as well as Figures 6 to 10 Terminal fitting 10 is inserted from wire outlet 24a (described later) into terminal receiving chamber 20a along a terminal insertion direction that is the same as the housing insertion direction. Terminal receiving portion 22 protrudes further into the housing insertion direction than fitting wall 21 and is inserted together with fitting wall 21 from insertion port 500c into mating side fitting space 500b.

[0066] In this connector 1, to generate the appropriate contact pressure between the contact and the mating terminal connection portion 511 resulting from the elastic deformation of the elastic contact portion 13a, the terminal accessory 10 is housed in the terminal receiving chamber 20a as a component capable of relative movement relative to the mating terminal connection portion 511 in the direction of the contact pressure. That is, the connector 1 has a self-aligning function for the terminal accessory 10 along the direction of the contact pressure. Therefore, the terminal receiving chamber 20a is formed as an internal space capable of relative movement of the terminal accessory 10 in a self-aligning direction orthogonal to the terminal insertion direction. Therefore, the terminal receiving chamber 20a is formed such that the terminal accessory 10 can be arranged with a gap between it and the first wall 22a and the second wall 22b of the terminal receiving portion 22. Figure 8 and Figure 10 ).

[0067] The first wall 22a and the second wall 22b are walls that form the terminal receiving chamber 20a in the terminal receiving portion 22, and are arranged opposite each other at a distance in the adjusting direction. In addition, in the terminal receiving chamber 20a, the size of the gap between the first wall 22a and the terminal accessory 10 and the size of the gap between the second wall 22b and the terminal accessory 10 are set so as to ensure that the relative movement of the terminal accessory 10 relative to the mating terminal connection portion 511 is just right to generate the contact pressure between the contact of the elastic contact portion 13a and the mating terminal connection portion 511.

[0068] The terminal receiving portion 22 shown here is formed in a square cylindrical shape, and the terminal receiving chamber 20a inside it houses the square cylindrical terminal connecting portion 11. Furthermore, in the terminal receiving portion 22 shown here, one of the two pairs of walls arranged at intervals is a first wall 22a and a second wall 22b. In the terminal receiving chamber 20a, one wall of the terminal connecting portion 11 is arranged opposite the first wall 22a, and the other wall of the terminal connecting portion 11, which is arranged at intervals from that wall, is arranged opposite the second wall 22b. Additionally, in the terminal receiving portion 22 shown here, the mating-side terminal connecting portion 511 is inserted into the terminal receiving chamber 20a through an opening in the cylindrical axis direction, and the mating-side terminal connecting portion 511 is inserted into the terminal connecting portion 11 in the terminal receiving chamber 20a.

[0069] The housing 20 has a terminal receiving portion 22 for each terminal fitting 10. Furthermore, in the housing 20, the terminal receiving portions 22 are arranged at intervals in an orthogonal direction orthogonal to the terminal insertion direction and the adjusting direction. The housing 20 has a cylindrical cover portion 23 disposed on the housing insertion direction side of the fitting wall 21, and covers the protruding portions of each terminal receiving portion 22 that protrude from the fitting wall 21 at intervals from the outside. Figure 1 , Figure 3 as well as Figures 6 to 11 The cover 23 shown here is formed as an elongated cylindrical shape with an elongated outer peripheral surface having a shape similar to that of the mating side fitting space 500b. In the housing 20, the elongated cylindrical mating side terminal receiving portion 521 of the mating side housing 520 ( Figure 3 and Figure 4 The mating side housing 520 is embedded in the elongated annular gap between the cover 23 and each terminal receiving portion 22. Simultaneously, the mating side terminal connecting portions 511 inside the mating side terminal receiving portion 521 are inserted into each terminal receiving chamber 20a. The mating side housing 520 is fixed to the frame 500a of the mating side device 500 and disposed in the mating side fitting space 500b of the frame 500a. Figure 3 and Figure 4 ).

[0070] Additionally, within the housing 20, a cylindrical wire receiving portion 24 is provided for each wire We, which houses the wire We on the inside and extends outward. Figure 7 and Figure 11 A cylindrical sealing member (hereinafter referred to as "first sealing member") 51 is assembled inside the wire receiving portion 24. The cylindrical sealing member 51 fills a portion of the cylindrical gap between the inner peripheral surface of the wire receiving portion 24 and the outer peripheral surface of the wire We. Figure 7 The terminal fitting 10 installed at the end of the wire We extends from the wire outlet 24a of the wire receiving portion 24. Figure 7 and Figure 11 The connector 1 is inserted into the terminal receiving chamber 20a. The connector 1 has a rear support 60 that is fitted into the gap between the wire outlet 24a and the wire We of each wire receiving portion 24. Figure 1 , Figure 2 , Figure 4 as well as Figure 7 ).

[0071] However, in the connector 1 shown here, the cover 23 has an outer peripheral surface of a similar shape that is larger than the outer peripheral surface 21a of the mating wall 21. Furthermore, the connector 1 includes an annular or cylindrical elastically deformable sealing member (hereinafter referred to as the "second sealing member") 52. At the mating completion position where the mating walls 21 and the mating-side mating space 500b are aligned at their respective axial centers P, the second sealing member 52 circumferentially fills the annular or cylindrical gap between the outer peripheral surface 21a of the mating wall 21 and the inner peripheral surface 500b1 of the mating-side mating space 500b. Figure 1 , Figures 3 to 8 , Figure 10 as well as Figure 11The second sealing member 52 is a waterproof member having a plurality of annular lips (hereinafter referred to as "inner lip") 52a on the inner circumferential side and a plurality of annular lips (hereinafter referred to as "outer lip") 52b on the outer circumferential side. Figure 11 The second sealing member 52 is formed in an elongated oval ring or elongated cylindrical shape, similar in shape to the mating side fitting space 500b. The second sealing member 52 shown here is formed in an elongated cylindrical shape, similar in shape to the mating side fitting space 500b, and is assembled to the outer peripheral surface 21a of the fitting wall 21.

[0072] In the second sealing member 52, the inner peripheral lip 52a is flattened and tightly adheres to the outer peripheral surface 21a of the mating wall 21 in an elongated oval shape similar to that of the outer peripheral surface 21a of the mating wall 21. Furthermore, in the second sealing member 52, at the mating completion position, the outer peripheral lip 52b is flattened and tightly adheres to the inner peripheral surface 500b1 of the mating-side mating space 500b in an elongated oval shape similar to that of the inner peripheral surface 500b1 of the mating-side mating space 500b. Thus, the second sealing member 52 can provide uniform waterproofing at all circumferential positions. Furthermore, the second sealing member 52 can also align the positions of the axes P of the mating wall 21 and the mating-side mating space 500b, thereby allowing the terminal connection portion 11 of the terminal accessory 10 to be properly aligned relative to the mating-side terminal connection portion 511 of the mating-side terminal accessory 510.

[0073] However, in connector 1, tolerances are set for each component, allowing the positions of the components to deviate within these tolerances. Therefore, in connector 1, deviations occur in the flattening amount at various circumferential positions of the inner circumferential lip 52a and outer circumferential lip 52b at the mating completion position, potentially causing the position of the axis P of the mating wall 21 to deviate relative to the position of the axis P of the mating space 500b. That is, in this state, connector 1 may reduce the self-aligning function of the terminal fitting 10. Therefore, in connector 1, a housing 20 is formed as follows to suppress the reduction in the self-aligning function of the terminal fitting 10.

[0074] A contact portion 25 is provided in the housing 20, which abuts against the contact portion 500d1 on the inner peripheral surface 500b1 side of the mating side fitting space 500b when the mating is completed. Figure 1 , Figure 3 , Figure 5 as well as Figure 11The abutting portion 25 and the abutting portion 500d1 paired with the abutting portion 25 are provided at at least three locations. Furthermore, the abutting portion 25 protrudes beyond the outer peripheral surface 21a of the mating wall 21. Moreover, the abutting portion 25 is formed such that the distance from the axis P of the mating wall 21 to the contact position Pc between the abutting portion 25 and the abutting portion 500d1 is the same as the distance from the axis P of the mating space 500b to the contact position Pc. Figure 5 Therefore, the connector 1 can align the position of the axis P of the mating wall 21 with the position of the axis P of the mating space 500b in the mating position. Thus, the connector 1 can suppress the positional shift of the housing 20 relative to the inner circumferential surface 500b1 of the mating space 500b in the mating position, thereby allowing the terminal fitting 10 to be properly aligned. Furthermore, in this connector 1, deviations in the amount of flattening at various circumferential positions of the inner circumferential lip 52a and outer circumferential lip 52b in the mating position can be suppressed, thus enabling the second sealing member 52 to achieve equal waterproofing at various circumferential positions.

[0075] The abutment portion 500d1 shown here is provided on the annular conical surface 500d around the insertion port 500c of the mating side fitting space 500b. Figures 3 to 5 The conical surface 500d is an inclined surface that approaches the axis P of the mating side fitting space 500b from the insertion port 500c toward the housing insertion direction. Therefore, the abutting part 25 shown here protrudes from the outer peripheral surface 21a of the fitting wall 21 on the side closer to the wire receiving part 24 than the fitting wall 21, and abuts against the abutting part 500d1 of the conical surface 500d at the fitted position. The combination of the abutting part 25 and the abutting part 500d1 shown here is provided at 6 locations along the circumference of the outer peripheral surface 21a of the fitting wall 21 and the conical surface 500d. Figure 5 ).

[0076] The shielding shell 30 suppresses external noise from intruding into the inner wires We by covering each wire receiving portion 24 from the outside. Therefore, the shielding shell 30 is formed of a metallic material (e.g., aluminum or aluminum alloy).

[0077] The shielding shell 30 has an elongated cylindrical portion 31 that covers each wire receiving portion 24 from the outside. Figure 1 , Figure 2 , Figure 4 as well as Figure 7 In the housing 20, an elongated annular sealing member (hereinafter referred to as the "third sealing member") 53 is assembled on the elongated outer peripheral surface of the mating wall 21 and the abutting part 25 near the wire receiving part 24. Figure 7 as well as Figure 11The third sealing component 53 is a waterproof component that fills a portion of the elongated cylindrical gap between the elongated outer circumferential surface of the housing 20 and the inner circumferential surface of the cylindrical portion 31 of the shielding shell 30.

[0078] An elongated annular flange 32 is connected to the cylindrical portion 31. Figure 1 , Figure 2 , Figure 4 , Figure 6 as well as Figure 7 The shielding shell 30 is threadedly fastened to the internal thread N of the frame 500a of the mating device 500 by the fixing part 33 protruding from the flange 32 using the external threaded component B. Figure 4 ).

[0079] The anti-detachment component 40 is formed of an insulating material such as synthetic resin. This anti-detachment component 40 is assembled to the terminal receiving portion 22. In its assembled position, the anti-detachment component 40 suppresses the positional displacement of the terminal accessory 10 towards the wire outlet 24a and prevents the terminal accessory 10 from falling out of the wire outlet 24a. That is, in its assembled position, the anti-detachment component 40 stops the movement of the terminal accessory 10 relative to the terminal receiving portion 22 in the terminal withdrawal direction, opposite to the terminal insertion direction, thus holding the terminal accessory 10 within the terminal receiving chamber 20a. This anti-detachment component 40 can be provided for each terminal accessory 10, for multiple terminal accessories 10, or for all terminal accessories 10. The anti-detachment component 40 shown here is provided for each terminal accessory 10, with one component per terminal accessory 10.

[0080] The anti-detachment component 40 is held in the terminal receiving portion 22 in the assembled position relative to the terminal receiving portion 22. Therefore, the anti-detachment component 40 is provided with a held portion 41A that is held in the terminal receiving portion 22. Figure 8 , Figure 10 as well as Figures 12 to 15 Furthermore, the anti-detachment component 40 is provided with a locking portion (hereinafter referred to as the "first locking portion") 42A, which locks the movement of the terminal receiving portion 22 relative to the terminal pull-out direction against the terminal receiving portion 22. Figure 8 , Figure 10 as well as Figures 12 to 14 On the other hand, the terminal receiving portion 22 is provided with: an anti-disengagement insertion hole 22c, which allows the anti-disengagement member 40 to be inserted into the terminal receiving chamber 20a in an anti-disengagement insertion direction toward an adjusting direction; and an anti-disengagement holding portion 22d, which is disposed opposite to the held portion 41A of the anti-disengagement member 40 in the assembled position in an anti-disengagement pull-out direction opposite to the anti-disengagement insertion direction, and prevents the movement of the held portion 41A in the anti-disengagement pull-out direction. Figure 8 , Figure 10 as well as Figures 14 to 16Furthermore, an anti-disengagement locking part 22e is provided in the terminal receiving portion 22. This anti-disengagement locking part 22e is disposed opposite to the first locking part 42A of the anti-disengagement member 40 in the terminal pulling direction, and the first locking part 42A of the anti-disengagement member 40 is locked in the terminal pulling direction. Figure 8 and Figure 10 ).

[0081] In the terminal receiving portion 22 shown here, the first wall 22a has an anti-dislodgement insertion hole 22c. Figure 8 , Figure 10 , Figure 14 as well as Figure 16 The anti-detachment insertion hole 22c is a through hole through which the anti-detachment member 40 is inserted from the first wall 22a side toward the second wall 22b side. Furthermore, in the first wall 22a, the peripheral wall on the terminal pull-out direction side of the anti-detachment insertion hole 22c serves as an anti-detachment locking part 22e. Figure 8 as well as Figure 10 ).

[0082] Furthermore, the anti-detachment insertion hole 22c is covered from the outside by the cover portion 23. Therefore, in the housing 20, a through hole 23a is provided in the cover portion 23 at a location opposite to the anti-detachment insertion hole 22c, through which the anti-detachment member 40 is inserted into the anti-detachment insertion hole 22c. Figure 8 , Figure 10 as well as Figure 14 ).

[0083] Additionally, in the terminal receiving portion 22 shown here, the second wall 22b has an anti-disengagement insertion through hole 22f, which allows the held portion 41A of the anti-disengagement member 40 to be inserted from the terminal receiving chamber 20a to the outside. Figure 8 as well as Figure 15 The anti-disengagement through-hole 22f is a through-hole through which the retaining part 41A, which is inserted from the anti-disengagement insertion hole 22c into the terminal receiving chamber 20a, extends outward from the terminal receiving chamber 20a along the anti-disengagement insertion direction. Furthermore, in the second wall body 22b, the peripheral wall of the anti-disengagement through-hole 22f serves as the anti-disengagement retaining part 22d. Figure 8 as well as Figure 15 For the anti-detachment retaining portion 22d of the second wall 22b shown here, the peripheral wall on the terminal insertion direction side of the anti-detachment insertion hole 22f in the second wall 22b is utilized. Furthermore, for the retaining portion 41A shown here, a protrusion is formed that protrudes in the terminal insertion direction when the anti-detachment member 40 is in the assembled position and is disposed opposite to the peripheral wall on the terminal insertion direction side of the anti-detachment insertion hole 22f in the anti-detachment pull-out direction. Figure 8 Here, the retaining part 41A is formed in a claw shape.

[0084] Furthermore, in the connector 1 shown here, in addition to the combination of the retaining part 41A and the anti-detachment retaining part 22d, a combination of the retaining part 41B and the anti-detachment retaining part 22g is also provided. Figure 10 That is, the anti-detachment component 40 has another retaining portion 41B, which is separately disposed from the retaining portion 41A of the anti-detachment retaining portion 22d that is locked in the second wall 22b and is held in the terminal receiving portion 22. Furthermore, in addition to the anti-detachment retaining portion 22d disposed in the second wall 22b, the terminal receiving portion 22 also has another anti-detachment retaining portion 22g, which is disposed opposite to the other retaining portion 41B of the anti-detachment component 40 in the anti-detachment pull-out direction and locks the movement of the other retaining portion 41B in the anti-detachment pull-out direction. This other anti-detachment retaining portion 22g is disposed in the first wall 22a. For example, for the other anti-detachment retaining portion 22g of the first wall 22a shown here, the peripheral wall on the terminal pull-out direction side of the anti-detachment insertion hole 22c in the first wall 22a is utilized. Furthermore, the other retaining portion 41B shown here is formed as a protrusion that protrudes in the terminal pull-out direction when the anti-detachment member 40 is in the assembled position and is disposed opposite to the peripheral wall of the anti-detachment insertion hole 22c on the terminal pull-out direction side in the anti-detachment pull-out direction. Here, the other retaining portion 41B is formed in the shape of a claw.

[0085] Furthermore, in the connector 1 shown here, two sets of a combination of a retaining part 41A and an anti-detachment retaining part 22d are provided. Figure 15 ), and set up a combination of another retaining part 41B and anti-hair loss retaining part 22g ( Figure 10 Furthermore, in the connector 1 shown here, a combination of two sets of first locking portions 42A and anti-detachment locking portions 22e is provided. In the connector 1 shown here, the anti-detachment member 40 is held in the terminal receiving portion 22 in the assembled position relative to the terminal receiving portion 22 by the combination of one of the two sets of retaining portions 41A with the anti-detachment retaining portion 22d, the combination of the other set of retaining portions 41B with the anti-detachment retaining portion 22g, and the combination of the two sets of first locking portions 42A with the anti-detachment locking portions 22e.

[0086] Furthermore, the anti-detachment component 40, at the assembled position relative to the terminal receiving portion 22, prevents the terminal accessory 10 from moving relative to the terminal receiving portion 22 in the terminal pull-out direction. Therefore, the anti-detachment component 40 is provided with a terminal locking portion 43, which is disposed opposite the terminal accessory 10 in the terminal pull-out direction at the assembled position relative to the terminal receiving portion 22, thereby preventing the terminal accessory 10 from moving in the terminal pull-out direction. Figure 8 , Figure 9 as well as Figures 12 to 14On the other hand, a locking part 14 is provided in the terminal fitting 10. This locking part 14 is disposed opposite to the terminal locking part 43 of the anti-disengagement member 40 in the terminal insertion direction side, and the movement of the terminal locking part 43 in the terminal pull-out direction is blocked. Figure 8 , Figure 9 , Figure 12 as well as Figure 13 Furthermore, the terminal fitting 10 is provided with an anti-detachment receiving portion 15, which accommodates the terminal locking portion 43 of the anti-detachment component 40 in the assembled position, and allows the anti-detachment terminal fitting 10 to move relative to the terminal locking portion 43 in the alignment direction. Figures 8 to 10 , Figure 12 as well as Figure 13 ).

[0087] The anti-detachment receiving portion 15 shown here is formed by cutting the side walls 11a, 11b of the terminal connection portion 11 in an orthogonal direction to the terminal insertion direction and the adjusting direction. Figure 12 as well as Figure 13 Each anti-detachment receiving portion 15 is a space formed by cutting off a portion of each sidewall 11a, 11b in the self-aligning direction. Therefore, the anti-detachment member 40 is provided with a terminal locking portion 43 for each anti-detachment receiving portion 15. Each anti-detachment receiving portion 15 accommodates the terminal locking portion 43 when the anti-detachment member 40 is in the assembled position, so there is a wall of the terminal receiving portion 22 on the terminal insertion direction side of the terminal locking portion 43. Therefore, the peripheral wall on the terminal insertion direction side of each anti-detachment receiving portion 15 is used as the locking portion 14 of the terminal fitting 10 shown here.

[0088] Specifically, the anti-detachment component 40 shown here has a shaft-shaped first shaft portion 44A and a second shaft portion 44B, which are arranged opposite each other at a distance in the terminal insertion direction and extend in an orthogonal direction orthogonal to the terminal insertion direction and the adjusting direction. Figure 12 , Figure 14 as well as Figure 16 Furthermore, the anti-detachment member 40 shown here has: a sheet-like first sheet portion 45A, which connects one end of the first shaft portion 44A and the second shaft portion 44B to each other and extends from that end in the anti-detachment insertion direction; and a sheet-like second sheet portion 45B, which connects the other end of the first shaft portion 44A and the second shaft portion 44B to each other and extends from its end in the anti-detachment insertion direction. Figure 9 , Figure 12 as well as Figure 14 ).

[0089] Here, the first shaft portion 44A is positioned on the terminal insertion direction side, and the second shaft portion 44B is positioned on the terminal removal direction side. Furthermore, in this anti-detachment member 40, the second shaft portion 44B, supported at both ends by the first piece portion 45A and the second piece portion 45B, possesses flexibility, for example, allowing it to flex in both the terminal insertion and terminal removal directions. In this anti-detachment member 40, the first shaft portion 44A and the second shaft portion 44B are positioned in the anti-detachment insertion hole 22c at the assembled position relative to the terminal receiving portion 22. Therefore, the anti-detachment insertion hole 22c is shaped and sized to accommodate the first shaft portion 44A and the second shaft portion 44B.

[0090] Furthermore, in this anti-detachment component 40, the terminals of the first piece 45A and the second piece 45B on the terminal insertion direction side are used as terminal locking parts 43. Figure 12 and Figure 14 Therefore, in this anti-detachment component 40, when in the assembled position relative to the terminal receiving portion 22, the first piece 45A is received in one anti-detachment receiving portion 15, and the second piece 45B is received in another anti-detachment receiving portion 15. Furthermore, in this anti-detachment component 40, the terminal pull-out side ends of each of the first piece 45A and the second piece 45B are used as the first locking portion 42A. Figure 12 ).

[0091] Additionally, the anti-detachment component 40 shown here includes: a first flexible portion 46A with a flexible cantilever, which is axially oriented and extends from the first piece 45A along the anti-detachment insertion direction; and a second flexible portion 46B with a flexible cantilever, which is axially oriented and extends from the second piece 45B along the anti-detachment insertion direction. Figures 12 to 14 The first flexible portion 46A and the second flexible portion 46B are flexible enough to flex in both the terminal insertion direction and the terminal removal direction. Furthermore, a retaining portion 41A is provided at the free end of each of the first flexible portion 46A and the second flexible portion 46B.

[0092] Additionally, the anti-detachment component 40 shown here has a protrusion 47 that protrudes from the center of the second shaft portion 44B in the extending direction toward the anti-detachment pull-out direction. Figure 8 , Figure 10 , Figure 14 as well as Figure 16 The protrusion 47 shown here is formed in a cuboid shape, so that another retaining part 41B protrudes from the wall surface on the side of the protrusion 47 in the direction of terminal pull-out. Figure 10 ).

[0093] Additionally, the anti-disengagement component 40 shown here has a locking portion (hereinafter referred to as the "second locking portion") 42B, which locks against the terminal receiving portion 22 so that the anti-disengagement component 40 will not be pressed into the anti-disengagement insertion direction beyond the assembled position relative to the terminal receiving portion 22. Figure 8 , Figure 10 , Figures 12 to 14 as well as Figure 16 The second locking portion 42B protrudes from the center of the first shaft portion 44A in the extension direction toward the anti-pull-out direction and the terminal insertion direction, and is locked onto the second wall 22b of the terminal receiving portion 22.

[0094] As shown above, the connector 1 of this embodiment, through the combination of at least three sets of abutting portions 25 and abutting portions 500d1, can align the position of the axis P of the mating wall 21 with the position of the axis P of the mating side mating space 500b in the mating completed position, and suppress the positional displacement of the housing 20 relative to the inner peripheral surface 500b1 of the mating side mating space 500b in the mating completed position. Therefore, the connector 1 can properly align the terminal fitting 10. For example, the connector 1 of this embodiment holds the terminal fitting 10 in the housing 20 in a state that allows relative movement in the alignment direction by means of the anti-disengagement member 40, but through the positional displacement suppression effect of the housing 20 relative to the inner peripheral surface 500b1 of the mating side mating space 500b, the alignment function of the terminal fitting 10 in the alignment direction can be effectively utilized. Therefore, the connector 1 can obtain appropriate contact pressure between the terminal fitting 10 and the mating side terminal fitting 510. Therefore, the electrical connection quality between the terminal fitting 10 of the connector 1 and the mating side terminal fitting 510 becomes high, and in addition, it is able to suppress the generation of overload between the mating side components.

Claims

1. A connector, characterized in that, have: Terminal fittings, wherein the terminal fittings are physically and electrically connected to mating side terminal fittings disposed in mating side fitting spaces; A housing having: a fitting wall that is inserted into the mating-side fitting space from an insertion port along the housing insertion direction; and a terminal receiving chamber that accommodates the terminal fitting inside and is inserted into the mating-side fitting space together with the fitting wall; An annular or cylindrical elastically deformable sealing member, at the engagement completion position of the mating walls and the mating side mating space with their axial centers aligned, the sealing member circumferentially fills the annular or cylindrical gap between the outer circumferential surface of the mating walls and the inner circumferential surface of the mating side mating space; and An anti-detachment component is provided, which holds the terminal fitting in the terminal receiving portion in its assembled position relative to the terminal receiving portion, and holds the terminal fitting inserted into the terminal receiving chamber along the terminal insertion direction, which is the same as the housing insertion direction, within the terminal receiving chamber. The housing has an abutting portion, which abuts against the abutting portion on the inner circumferential surface side of the mating space in the fully engaged position, and The abutting portion and the abutting portion paired with the abutting portion are provided together at at least three locations, and the abutting portion is formed such that the distance from the axis of the mating wall to the contact point between the abutting portion and the abutting portion is the same as the distance from the axis of the mating space on the mating side to the contact point. The terminal receiving chamber is configured as an internal space capable of moving the terminal accessory relative to an adjusting direction orthogonal to the terminal insertion direction, wherein the adjusting direction is along the insertion / removal direction of the anti-disengagement component relative to the terminal receiving chamber. The anti-detachment component, at the assembled position, locks the terminal accessory relative to the terminal receiving portion in the terminal withdrawal direction, opposite to the terminal insertion direction. The anti-detachment component has a terminal locking portion, which, at the assembled position, is positioned opposite the locked portion of the terminal accessory on the terminal withdrawal direction side, thereby locking the movement of the locked portion in the terminal withdrawal direction. The terminal accessory has an anti-detachment receiving portion that accommodates the terminal locking portion of the anti-detachment component at the assembled position, and allows the terminal accessory to move relative to the terminal locking portion in the alignment direction.

2. The connector according to claim 1, characterized in that, The abutted portion protrudes beyond the outer peripheral surface of the fitting wall.

3. The connector according to claim 1 or 2, characterized in that, The mating space on the pairing side is an oblong through hole. The mating wall is formed with an outer peripheral surface that is elongated and has a shape similar to the mating space on the paired side. The sealing member is formed in an elongated oval ring or elongated cylindrical shape, similar in shape to the mating space on the mating side, and The abutting part abuts against the abutting part provided on the annular conical surface around the insertion port in the mating space at the mating completion position.

Citation Information

Patent Citations

  • Connector

    JP2011034825A

  • Waterproof structure between connector and casing

    JP2012114052A

  • Charging system for mobile device

    JP2020202741A