Connector

Abstract

The purpose of the present invention is to further miniaturize a connector capable of primary locking and secondary locking of a terminal. The connector holds a terminal having a mating terminal connection portion and a crimp portion crimped to an end portion of an electric wire, and is provided with: a housing in which a cavity capable of accommodating the terminal is formed; and a terminal holding member which can be attached to the housing at a primary locking position and a secondary locking position. The terminal holding member is provided with: a lance-shaped part which can be temporarily locked with the terminal in the cavity at the primary locking position; and a locking protruding part which can be locked with the terminal in the cavity at the second-stage locking position. The lance-shaped part is provided with a protruding part for retreating, the protruding part for retreating is provided with a contact surface for retreating, and the contact surface for retreating is formed at a position in which the contact surface for retreating is contacted with the crimping part to enable the lance-shaped part to be elastically deformed in the direction away from the terminal when the terminal holding member moves from the primary clamping position to the secondary clamping position.

Description

Technical Field

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

[0002] Patent document 1 discloses the following: a lance-shaped portion for securing a terminal component extends obliquely forward approximately in the center of the lower surface of the terminal receiving chamber of the housing body, and the top end side of the lance-shaped portion is formed to be elastically deformable downward and elastically engageable with a lance-shaped portion hole provided in the terminal component. Prior art literature Patent Literature

[0003] Patent Document 1: Japanese Patent Application Laid-Open No. 2001-345139 Summary of the Invention Problems to be solved by the invention

[0004] Here, it is desired to further reduce the size of a connector that can perform primary locking and secondary locking of a terminal.

[0005] Therefore, an object of the present invention is to further reduce the size of a connector capable of performing primary locking and secondary locking of terminals. Solutions to Problems

[0006] The connector of the present invention holds a terminal, the terminal having a terminal connecting portion on the opposite side and a crimping portion that is crimped to an end portion of the wire, the connector comprising: a housing formed with a cavity that can accommodate the terminal; and a terminal holding member that can be mounted on the housing in a primary locking position and a secondary locking position, the terminal holding member comprising: a lance that can temporarily lock with the terminal in the cavity in the primary locking position; and a locking protrusion that can lock with the terminal in the cavity in the secondary locking position, the lance having a retraction protrusion, the retraction protrusion having a retraction contact surface, the retraction contact surface being formed in such a position that, by movement of the terminal holding member from the primary locking position to the secondary locking position, the retraction contact surface contacts the crimping portion, causing the lance to elastically deform in a direction away from the terminal. Effects of the Invention

[0007] According to the present invention, the connector capable of performing primary locking and secondary locking of terminals can be further miniaturized. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] Figure 1 It is a perspective view showing a connector according to the embodiment. Figure 2 It is an exploded perspective view showing the connector. Figure 3 It is an exploded perspective view showing the connector. Figure 4 yes Figure 1 Partial cross-sectional view along line IV-IV. Figure 5 It is a perspective view showing a connector. Figure 6 yes Figure 5 VI-VI line cross-sectional view. Figure 7 yes Figure 6 VII-VII line cross-sectional view. Figure 8 yes Figure 6 Cross-sectional view along line VIII-VIII. Figure 9 It is a perspective view showing the positional relationship between the lance and the terminal. DETAILED DESCRIPTION

[0009] [Description of Embodiments of the Invention] First, embodiments of the present invention will be described below.

[0010] The connector of the present invention is as follows.

[0011] The cam is adapted to engage said terminal with said retaining member so that said retaining member can be engaged with said terminal in said cavity and so that said retaining member can be engaged with said terminal in said cavity.

[0012] According to this connector, the terminal holding member is provided with a lance-shaped portion for temporarily locking with the terminal. Therefore, the housing does not need to be provided with a lance-shaped portion, and the housing can be miniaturized. As a result, the connector capable of temporarily locking the terminal can be further miniaturized.

[0013] Furthermore, the terminal retaining member can be moved from the primary locking position to the secondary locking position while the retracted contact surface of the lance contacts the crimping portion, elastically deforming the lance in a direction away from the terminal. At this time, since the retracted contact surface contacts the crimping portion, the generation of scraping caused by the lance contacting the terminal can be suppressed.

[0014] (2) In the connector of (1), the terminal may have a recessed portion recessed between the terminal connecting portion on the other side and the crimping portion, and when the terminal retaining member is located at the primary retaining position, the lance-shaped portion is primarily retained by the recessed portion, and when the terminal retaining member is located at the secondary retaining position, the retaining protrusion is secondarily retained by the recessed portion.

[0015] In this case, the lance and the locking protrusion can be locked in the same recess. Therefore, there is no need to form separate areas on the terminal for the lance's primary locking and the locking protrusion's secondary locking. This allows for simplification and miniaturization of the terminal, which also contributes to the miniaturization of the connector.

[0016] (3) In the connector of (1) or (2), the lance-shaped portion may have an anti-slip protrusion located closer to the terminal connection portion of the other side than the retraction protrusion, and when the terminal retaining member is located in the primary locking position, the anti-slip protrusion is anti-slip locked with the terminal connection portion of the other side from the crimping portion side, and the retraction protrusion protrudes more toward the terminal side than the anti-slip protrusion.

[0017] In this case, since the escape protrusion protrudes further toward the terminal than the retaining protrusion, the escape protrusion can be easily brought into contact with the terminal while avoiding contact between the retaining protrusion and the terminal.

[0018] (4) In the connector of (3), the retraction protrusion may protrude more than the anti-detachment protrusion in the direction of movement of the terminal holding member from the primary locking position to the secondary locking position and in the terminal side orthogonal to the movement direction.

[0019] In this case, the retraction protrusion easily contacts the crimping portion before the retaining protrusion, which more reliably avoids contact between the retaining protrusion and the pair of side walls, and more reliably suppresses the generation of scraping caused by the lance contacting the terminal.

[0020] (5) In the connector of (3) or (4), the terminal may have a connecting portion, which connects the terminal connecting portion on the other side and the crimping portion, and the connecting portion has a bottom and a pair of side walls rising from both side edges of the bottom. When the terminal retaining member moves from the primary locking position to the secondary locking position, the retraction contact surface contacts the crimping portion to avoid contact between the anti-slip protrusion and the pair of side walls.

[0021] This prevents contact between the anti-detachment protrusion and the pair of side walls, and suppresses generation of scraping caused by contact between the lance and the terminal.

[0022] (6) In any one of the connectors described in (1) to (5), the lance-shaped portion may have a terminal insertion guide protrusion, the terminal insertion guide protrusion may be located on the opposite side of the terminal connection portion of the other side relative to the retraction protrusion, and the terminal insertion guide protrusion may have a terminal insertion guide surface, and the terminal insertion guide surface may be directed away from the terminal as it moves toward the opposite side of the terminal connection portion in the extension direction of the cavity.

[0023] In this case, with the terminal retaining member mounted on the housing in the primary locking position, when the terminal is inserted into the cavity, the terminal contacts the terminal insertion guide surface. This allows the lance to elastically deform away from the terminal, making it easier to insert the terminal into the cavity.

[0024] (7) In any one of the connectors of (1) to (6), when the terminal retaining member is mounted on the housing at the secondary locking position, at least a portion of the lance portion may be positioned so as to be in contact with the terminal in the cavity.

[0025] Thus, when the terminal holding member is located at the secondary locking position, at least a portion of the lance can support the terminal in the cavity, and the terminal is stabilized in the cavity.

[0026] (8) In any one of the connectors from (1) to (7), the shell may have a secondary locking opening and a primary locking opening, and the terminal retaining member may have: a terminal retaining body mounted on the secondary locking opening; and a pair of locking wall portions extending from both sides of the terminal retaining body along both sides of the shell, the locking protrusion being formed so as to protrude from the terminal retaining body toward the cavity, and the lance-shaped portion being projected from the terminal retaining body in the same direction as the pair of locking wall portions so as to be configured in the primary locking opening, and being elastically deformed in a direction intersecting the extension direction of the cavity.

[0027] In this case, the lance is formed so as to protrude from the terminal retaining body in the same direction as the retaining wall, allowing it to be positioned within the primary retaining opening. It is also elastically deformable in a direction intersecting the extension of the cavity. Consequently, compared to a case where the lance is positioned along the extension of the cavity, the structure for forming the lance can be reduced. This allows the connector to be miniaturized in its front-to-back dimensions.

[0028] (9) In the connector of (8), the housing may have an inner cavity located closer to the terminal holding body than the cavity, and the lance portion may extend in a manner to avoid being locked with a terminal arranged in the inner cavity among the plurality of terminals.

[0029] In this case, after the terminal is inserted into the cavity and the lance is initially engaged with the terminal, the terminal is inserted into the inner cavity. Then, if the terminal retaining member is moved from the primary engaging position to the secondary engaging position, the terminal in the inner cavity can be prevented from falling out. Therefore, the structure for initially engaging the terminal in the inner cavity is no longer necessary, and the connector can be further simplified and miniaturized.

[0030] (10) In the connector of (8) or (9), the locking protrusion may protrude from the terminal holding body at a position separated from the lance.

[0031] In this case, since the locking projection protrudes from the terminal holding body at a position separated from the lance, the lance can be easily elastically deformed.

[0032] (11) In any one of the connectors from (8) to (10), the pair of locking wall portions may respectively have mounting locking protrusions, and the mounting locking protrusions may be engaged with the secondary locking on both sides of the shell at positions on both outsides of the primary locking opening along the extension direction of the cavity.

[0033] In this case, the pair of locking walls are secondarily locked with both sides of the housing at positions outside the primary locking opening along the extending direction of the cavity, so that the terminal holding member can be firmly attached to the housing.

[0034] [Details of Embodiments of the Invention] Specific examples of the connector of the present invention will be described below with reference to the accompanying drawings. The present invention is not limited to these examples, but is defined by the claims, and is intended to encompass all modifications within the meaning and scope of the claims.

[0035] [Implementation Method] Hereinafter, a connector according to an embodiment will be described. Figure 1 It is a perspective view showing the connector 20 . Figure 2 and Figure 3 It is an exploded perspective view showing the connector 20 . Figure 4 yes Figure 1 Partial cross-sectional view of line IV-IV. Figure 4 In FIG, the terminal holding member 80 is indicated by a two-dot chain line. Figures 1 to 4 In the embodiment, the terminal holding member 80 is located at the secondary locking position. Figure 5 2 is a perspective view showing the connector 20. Figure 5 In FIG. 1 , the terminals 10 inserted into the cavities 34 and 44 are indicated by two-dot chain lines. Figure 6 yes Figure 5 VI-VI line cross-sectional view. Figure 7 yes Figure 6 The VII-VII line cross-sectional view, Figure 8 yes Figure 6 The VIII-VIII line cross-sectional view. Figures 5 to 8 In the embodiment, the terminal holding member 80 is located at the primary locking position.

[0036] <Overall structure of the connector> The overall structure of the connector 20 will be described. The connector 20 is connected to a mating connector while holding the terminals 10 .

[0037] The terminal 10 is formed by stamping a metal plate. The terminal 10 includes a mating terminal connection portion 12 and crimping portions 14 and 15 (see FIG. Figure 2 ). The other-side terminal connection portion 12 is a portion connected to the other-side terminal, and is formed into, for example, a cylindrical shape, more specifically a square cylindrical shape. The crimping portions 14 and 15 are portions that are crimped to the ends of the electric wire W. In this embodiment, the terminal 10 has a core wire crimping portion 14 and a sheath crimping portion 15. The core wire crimping portion 14 is a portion that is crimped to the core wire portion Wa exposed at the end of the electric wire W (see Figure 6 The covering crimping portion 15 is a portion that is crimped to the covering portion of the end portion of the electric wire W.

[0038] The mating terminal connection portion 12, the core wire crimping portion 14, and the covering crimping portion 15 are arranged linearly in this order. The thickness of the mating terminal connection portion 12 and the covering crimping portion 15 is greater than that of the core wire crimping portion 14. Therefore, when the terminal 10 is viewed from the side, a recessed portion 11 is formed on the core wire crimping portion 14, between the mating terminal connection portion 12 and the covering crimping portion 15, in the direction in which the terminal 10 extends.

[0039] The core wire crimping portion 14 includes a pair of gripping tabs 14p that are crimped against the core wire Wa. The gripping tabs 14p are curved to form a curved surface that bulges outward relative to the core wire Wa. Consequently, the upper portions of both sides of the core wire crimping portion 14 form outwardly bulging curved surfaces. Similar to the core wire crimping portion 14, the sheath crimping portion 15 also includes a pair of gripping tabs that are crimped against the sheath.

[0040] A connecting portion 13 is interposed between the mating terminal connection portion 12 and the core wire crimping portion 14. The connecting portion 13 connects the mating terminal connection portion 12 and the core wire crimping portion 14. The connecting portion 13 has a bottom portion 13a and a pair of side walls 13b rising from both side edges of the bottom portion 13a.

[0041] The bottom portion 13a is connected to the bottom plate of the mating terminal connection portion 12 and the bottom plate of the core wire crimping portion 14. The pair of side walls 13b are connected to the bottom portions of the pair of side walls of the mating terminal connection portion 12 and the base ends of the pair of clamping tabs 14p. The coupling portion 13 having the bottom portion 13a and the pair of side walls 13b facilitates maintaining a straight line between the mating terminal connection portion 12 and the core wire crimping portion 14.

[0042] In this embodiment, the connector 20 holds a plurality of terminals 10. More specifically, the plurality of (e.g., two) terminals 10 are divided into a plurality of layers (e.g., two layers) and held. In each layer, the plurality of terminals 10 are arranged in a row in a parallel state. In addition, the plurality of terminals 10 can be terminals of the same size and raw materials, or terminals of different sizes or raw materials. In addition, the number of terminals 10 held by the connector 20 is arbitrary.

[0043] The connector 20 includes a housing 30 and a terminal holding member 80. The terminal holding member 80 holds at least one layer of multiple terminals 10 so as not to fall out of the housing 30. In this embodiment, the terminal holding member 80 holds multiple layers of terminals 10. The terminal holding member 80 may also be referred to as a holding body.

[0044] In the following description, in the extending direction of the terminal 10, the side of the mating terminal connecting portion 12 is sometimes referred to as the front side, and the side of the crimping portions 14 and 15 is sometimes referred to as the rear side. Furthermore, with respect to the housing 30, the side of the terminal retaining member 80 is sometimes referred to as the upper side, and the opposite side is sometimes referred to as the lower side. Furthermore, reference to the left-right direction is sometimes made based on the aforementioned front-back and top-bottom directions.

[0045] The housing 30 is formed by resin or the like and includes terminal receiving portions 32 and 42. In the present embodiment, the housing 30 includes a lower terminal receiving portion 32 and an upper terminal receiving portion 42. The lower terminal receiving portion 32 includes a cavity 34 for receiving the terminal 10. In the present embodiment, the lower terminal receiving portion 32 includes a plurality of (here two) cavities 34 arranged in parallel. The upper terminal receiving portion 42 includes an inner cavity 44 for receiving the terminal 10. In the present embodiment, the upper terminal receiving portion 42 includes a plurality of (here two) inner cavities 44 arranged in parallel. The inner cavity 44 is located on the terminal holding body 82 side of the terminal holding member 80 closer to the cavity 34.

[0046] The terminal holding member 80 is configured to be attachable to the housing 30 at a primary locking position and a secondary locking position.

[0047] The so-called secondary locking means that when the connector 20 is inserted or removed from the mating connector, the terminal retaining member 80 is locked with the terminal 10 with a force sufficient to prevent the terminal 10 from being removed from the housing 30. The secondary locking position is a position where the terminal retaining member 80 can be locked with the terminal 10 in the cavity 34 and the terminal 10 in the inner cavity 44.

[0048] The so-called primary locking refers to the state in which the terminal retaining member 80 and the terminal 10 are temporarily locked before the terminal retaining member 80 and the terminal 10 are primary locked. The so-called primary locking position is the position where the terminal retaining member 80 can be initially locked with the terminal 10 in the cavity 34. The holding force of the primary locking on the terminal 10 only needs to be sufficient to prevent the terminal 10 from falling off during the operation of inserting the terminal 10 relative to the inner cavity 44 and moving the terminal retaining member 80 to the secondary locking position. The holding force of the primary locking on the terminal 10 may also be smaller than the holding force of the secondary locking on the terminal 10.

[0049] When the terminal 10 is inserted into the cavity 34 with the terminal retaining member 80 mounted on the housing 30 in the primary locking position, the terminal retaining member 80 and the terminal 10 are initially locked. This prevents the terminal 10 from falling out of the cavity 34. In this state, the terminal 10 can be easily inserted into the inner cavity 44. Then, when the terminal retaining member 80 is moved from the primary locking position to the secondary locking position, the terminal retaining member 80 can be locked with the terminal 10 in the cavity 34 and the terminal 10 in the inner cavity 44 in a secondary manner.

[0050] In this embodiment, the housing 30 does not necessarily need to include the inner cavity 44. That is, the connector 20 may also have a structure having a single cavity.

[0051] <Regarding the Terminal Holding Structure of the Terminal Holding Member> As described above, the multiple inner cavities 44 and the multiple cavities 34 of the shell 30 are arranged in upper and lower layers. A front plate portion 31F extending in a direction perpendicular to the front-to-back direction is provided at the front edge of the shell 30. The front plate portion 31F is located at the front end of the cavities 34 and 44. The terminals 10 arranged in the cavities 34 and 44 are restricted from moving forward by contact with the front plate portion 31F. A connecting hole 31Fa is formed in the front plate portion 31F, and the terminal on the other side (for example, a male terminal having a slender plate portion or a pin-shaped portion) can be inserted into the connecting hole 31Fa. The terminal on the other side can be connected to the terminal 10 in the cavity 34 and 44 through the connecting hole 31Fa.

[0052] The cavities 34 and 44 are open to the rear, and the terminals 10 are inserted into the cavities 34 and 44 through the rear openings.

[0053] The housing 30 has a secondary locking opening 52 and a primary locking opening 50 .

[0054] The secondary locking opening 52 is an opening for enabling the terminal retaining member 80 to be locked to the terminal 10 at a secondary level. In the present embodiment, the secondary locking opening 52 is an opening for opening the middle area of ​​the extension direction of the cavities 34 and 44 upward. The secondary locking opening 52 is an opening from the opening formed on the upper side of the inner cavity 44 to the opening of the partition formed between the inner cavity 44 and the cavity 34. The recess 11 of the terminal 10 arranged in the cavities 34 and 44 can be exposed upward through the secondary locking opening 52. The inner locking protrusion 83a and the locking protrusion 83b of the terminal retaining member 80 described later are arranged at a position where they can be locked to the terminals 10 in the cavities 34 and 44 at a secondary level through the secondary locking opening 52.

[0055] The primary locking opening 50 is an opening for primary locking of the terminal retaining member 80 and the terminal 10. In the present embodiment, the primary locking opening 50 is formed in the middle area of ​​the extension direction of the cavities 34 and 44. The primary locking opening 50 extends in the up-down direction at both outer sides of the cavities 34 and 44 and opens upward. The recess 11 of the terminal 10 arranged in the cavities 34 and 44 can be exposed to the side through the primary locking opening 50. The lance 90 of the terminal retaining member 80 described later is arranged in the primary locking opening 50 from above and can be primary locked with the terminal 10 in the cavity 34.

[0056] A pair of latching recesses 56 are formed on both sides of the housing 30. The latching recesses 56 are partially recessed in the middle region of the extending direction of the cavities 34 and 44. In this embodiment, the latching recesses 56 are formed in the region corresponding to the rear of the mating terminal connection portion 12 of the terminal 10 within the cavities 34 and 44. The latching wall portion 84 of the terminal retaining member 80 is disposed in each of the pair of latching recesses 56. The latching recesses 56 extend rearward of the primary latching opening 50 and the secondary latching opening 52, but this structure is not required.

[0057] A primary locking protrusion 65 and a secondary locking protrusion 66 are formed in the locking recess 56 .

[0058] The primary locking protrusion 65 is a portion that is locked with the locking wall portion 84 of the terminal retaining member 80 when the terminal retaining member 80 is in the primary locking position. The primary locking protrusion 65 protrudes outward from the bottom surface of the locking recess 56. The primary locking protrusion 65 is a slender protrusion extending along the extension direction of the cavity 34. The primary locking protrusion 65 extends outward in the front-to-back direction of the primary locking opening 50 in the extension direction of the cavity 34. Therefore, the locking wall portion 84 can be locked with the primary locking protrusion 65 at both outer positions in the front-to-back direction of the primary locking opening 50 along the extension direction of the cavity 34.

[0059] In this embodiment, the primary locking protrusion 65 passes outside the primary locking opening 50 along the extending direction of the cavity 34. Therefore, the front and rear portions of the primary locking opening 50 and the secondary locking opening 52 in the housing 30 are connected by the primary locking protrusion 65. Alternatively, the primary locking protrusion outside the primary locking opening 50 may be omitted.

[0060] The upper portion of the primary locking protrusion 65 is formed so that its protruding dimension gradually decreases upward. This allows the locking wall 84 to easily pass over the primary locking protrusion 65. The lower portion of the primary locking protrusion 65 can be formed so that its protruding dimension gradually decreases downward, or it can be formed perpendicular to the bottom surface of the locking recess 56.

[0061] The secondary locking protrusion 66 is the portion that locks with the locking wall portion 84 of the terminal retaining member 80 when the terminal retaining member 80 is in the secondary locking position. The secondary locking protrusion 66 protrudes outward from the bottom surface of the locking recess 56. The secondary locking protrusion 66 is a slender protrusion extending along the extension direction of the cavity 34. The secondary locking protrusion 66 extends outward in the front-to-back direction of the primary locking opening 50 in the extension direction of the cavity 34. Therefore, the locking wall portion 84 can lock with the secondary locking protrusion 66 at both positions outward in the front-to-back direction of the primary locking opening 50 along the extension direction of the cavity 34.

[0062] In this embodiment, the secondary locking protrusion 66 is omitted outside the primary locking opening 50. This makes it easier to ensure space for the lance 90, described later, to move outward in the left-right direction. The secondary locking protrusion 66 can also pass outside the primary locking opening 50.

[0063] The upper portion of the secondary locking protrusion 66 is formed so that its protrusion dimension gradually decreases upward. This allows the locking wall portion 84 to easily pass over the secondary locking protrusion 66. The lower portion of the secondary locking protrusion 66 can be formed so that its protrusion dimension gradually decreases downward, or it can be formed perpendicular to the bottom surface of the locking recess 56. In this embodiment, the lower portion of the secondary locking protrusion 66 is formed perpendicular to the bottom surface of the locking recess 56, more specifically, perpendicular to the placement direction of the terminal retaining member 80.

[0064] The primary locking protrusion 65 is located upward relative to the secondary locking protrusion 66. In this embodiment, the primary locking protrusion 65 is located upward relative to the portion separating the cavities 34 and 44, while the secondary locking protrusion 66 is located laterally outside the cavity 34. The locking wall 84, which is inserted downward from the top in the vertical direction, can achieve secondary locking with the secondary locking protrusion 66 after primary locking with the primary locking protrusion 65.

[0065] The terminal holding member 80 includes a terminal holding body 82 and a pair of locking wall portions 84 .

[0066] The terminal retaining body 82 is mounted in the upper recessed portion of the secondary latching opening 52. The terminal retaining body 82 is formed into a plate-like shape that is expanded to a size sufficient to block the upper recessed portions of the secondary latching opening 52 corresponding to the multiple inner cavities 44. When the terminal retaining body 82 is positioned within the upper recessed portion of the secondary latching opening 52, the front and rear ends of the terminal retaining body 82 contact the end surface of the housing's top wall facing the upper recessed portion. This position of the terminal retaining member 80 in the front-to-back direction is thereby achieved.

[0067] The terminal holding body 82 is formed with inner locking protrusions 83 a and 83 b that protrude toward the cavities 34 and 44 .

[0068] The inner locking protrusion 83a is the portion that provides a secondary locking engagement with the recess 11 of the terminal 10 within the inner cavity 44. More specifically, the inner locking protrusion 83a protrudes from the inward portion of the terminal retaining body 82 toward each inner cavity 44. When the terminal retaining member 80 is in the primary locking position, the inner locking protrusion 83a is located inside the inner cavity 44, allowing the terminal 10 to be inserted into the inner cavity 44. When the terminal retaining member 80 is in the secondary locking position, the inner locking protrusion 83a partially enters the inner cavity 44 and is positioned within the recess 11 of the terminal 10. Thus, the inner locking protrusion 83a is positioned so that it can contact the mating terminal connection portion 12 from the rear, preventing the terminal 10 from being dislodged rearward. The rear portion of the inner locking protrusion 83a can also be formed so that the protrusion gradually decreases toward the rear. Thus, when the terminal 10 is inserted into the inner cavity 44, even if the terminal 10 contacts the inner retaining projection 83a, the terminal 10 contacts the rear portion of the inner retaining projection 83a, thereby lifting the terminal holding member 80 upward. Thus, while avoiding interference between the terminal 10 and the inner retaining projection 83a, the terminal 10 can be easily inserted into the inner cavity 44.

[0069] The locking protrusion 83b is a portion that is locked in two stages with the recess 11 of the terminal 10 in the cavity 34. More specifically, the locking protrusion 83b includes an intermediate wall portion 83b1 and a retaining portion 83b2.

[0070] The intermediate wall portion 83b1 projects downward from the widthwise intermediate portion of the terminal holding body 82. The intermediate wall portion 83b1 is formed at a position corresponding to the partitions between the plurality of inner cavities 44. Therefore, the intermediate wall portion 83b1 can pass between the plurality of inner cavities 44 and toward the cavity 34.

[0071] The retaining portion 83b2 protrudes horizontally from the lower end of the intermediate wall portion 83b1. The vertical thickness of the retaining portion 83b2 is less than the thickness of the partition between the cavity 34 and the inner cavity 44. When the terminal retaining member 80 is in the primary locking position, the retaining portion 83b2 is located between the cavity 34 and the inner cavity 44, and does not interfere with the insertion of the terminal 10 into each of the cavities 34 and 44. When the terminal retaining member 80 is in the secondary locking position, the retaining portion 83b2 can enter the cavity 34 and the recess 11 of the terminal 10 within the cavity 34. Thus, the retaining portion 83b2 of the retaining protrusion 83b is positioned so that it can contact the mating terminal connection portion 12 from behind, preventing the terminal 10 from being disengaged from the rear. The rear portion of the lower portion of the retaining portion 83b2 can also be formed to gradually tilt upwards toward the rear. Thus, when the terminal 10 is inserted into the cavity 34, even if the terminal 10 contacts the anti-slip portion 83b2, the terminal 10 contacts the lower rear portion of the anti-slip portion 83b2, thereby lifting the terminal holding member 80 upward. Thus, the terminal 10 can be easily inserted into the cavity 34 while avoiding interference between the terminal 10 and the locking protrusion 83b.

[0072] The pair of retaining walls 84 are formed into a plate shape extending from both sides of the terminal holding body 82 along both sides of the housing 30. A mounting retaining protrusion 85 is formed near the top of the inner surface of the pair of retaining walls 84. The mounting retaining protrusion 85 is a protrusion protruding from the inner surface of the retaining wall 84. The lower portion of the mounting retaining protrusion 85 is formed to include a portion whose protrusion size gradually decreases toward the top side of the retaining wall 84. The pair of retaining walls 84 can selectively retain with the pair of primary retaining protrusions 65 and the pair of secondary retaining protrusions 66.

[0073] The mounting locking protrusion 85 may also have a convex shape that is elongated along the extending direction of the cavity 34. In this embodiment, the mounting locking protrusion 85 is formed at a position that avoids the primary locking opening 50, that is, at various positions before and after the primary locking opening 50. Therefore, the mounting locking protrusion 85 can stably lock with the primary locking protrusion 65 or the secondary locking protrusion 66 at various positions before and after the primary locking opening 50.

[0074] A retraction recess 84g is formed in the locking wall portion 84 in an area outside the cavity 34 and outside the primary locking opening 50. The retraction recess 84g is located outside the tip of a lance 90, described later. Therefore, the lance 90 can be displaced in a direction away from the cavity 34 while partially entering the retraction recess 84g.

[0075] The terminal holding member 80 has a pair of lances 90 that can temporarily lock with the terminal 10 in the cavity 34 at the primary locking position. The right lance 90 temporarily locks the terminal 10 in the right cavity 34, and the left lance 90 temporarily locks the terminal in the left cavity 34.

[0076] The lance 90 has a retraction projection 94, which has a retraction contact surface 94f. When the terminal retaining member 80 moves from the primary locking position to the secondary locking position, the retraction contact surface 94f contacts the core wire crimping portion 14. This allows the lance 90 to elastically deform away from the terminal 10, specifically, outward in the left-right direction.

[0077] In this embodiment, the lance 90 protrudes from the terminal holding body 82 in the same direction as the locking wall 84, allowing it to be positioned within the primary locking opening 50. Furthermore, when the terminal holding body 82 is positioned within the upper recessed portion of the secondary locking opening 52, the lance 90 passes through the secondary locking opening 52 and is positioned toward the cavity 34. In this position, the lance 90 is positioned outside the cavity 34, intersecting the cavity 34, in this case, perpendicular to the cavity 34. The lance 90 is elastically deformable in a direction intersecting the extension direction of the cavity 34, i.e., in the left-right direction.

[0078] More specifically, the lance 90 includes an elastic piece 91 and a temporary locking protrusion 92 .

[0079] The elastic piece 91 is formed so as to protrude in the same direction as the locking wall portion 84 at a middle position in the extending direction of the terminal holding body 82 so as to be arranged in the primary locking opening 50. The elastic piece 91 is formed at a position relative to the terminal holding body 82 so as to be arranged in the primary locking opening 50, that is, at a position passing outside the cavities 34, 44.

[0080] Regardless of whether the terminal holding member 80 is in the primary locking position or the secondary locking position, the elastic piece 91 is arranged at a position away from the outside of the cavities 34 and 44, and the temporary locking protrusion 92 is arranged below the inner cavity 44. Therefore, the lance 90 extends so as to avoid being locked with the terminal 10 arranged in the inner cavity 44.

[0081] The front-to-back length of the elastic piece 91 is sufficient to fit between the front and rear ends of the primary locking opening 50 and is shorter than the front-to-back length of the locking wall portion 84. The elastic piece 91 protrudes downward from the locking wall portion 84. The elastic piece 91 is elastically deformable in the left-right direction within the primary locking opening 50, centered about its base end.

[0082] The elastic piece 91 protrudes from the terminal holding body 82 at a position separated from the locking protrusion 83b. Therefore, the elastic deformation region of the elastic piece 91 can be increased compared to a case where the locking protrusion is integrated with the side of the base end of the elastic piece.

[0083] The temporary retaining protrusion 92 protrudes in the front-to-back direction at the top end of the elastic piece 91. The temporary retaining protrusion 92 protrudes inward relative to the elastic piece 91. When the terminal retaining member 80 is in the primary retaining position, the temporary retaining protrusion 92 enters the cavity 34 from the inner surface of the elastic piece 91. As a result, the temporary retaining protrusion 92 can be initially retained with the recess 11 of the terminal 10 in the cavity 34. When the terminal retaining member 80 is in the secondary retaining position, the temporary retaining protrusion 92 moves downwardly toward the cavity 34, releasing the primary retaining relative to the recess 11 of the terminal 10.

[0084] When the temporary retaining protrusion 92 moves from the recess 11 of the terminal 10 toward the bottom of the terminal 10, the temporary retaining protrusion 92 presses against the terminal 10, and the elastic piece 91 temporarily elastically deforms toward the outside of the cavity 34. By pressing the temporary retaining protrusion 92 against the curved surface of the core wire crimping portion 14, the elastic piece 91 is not easily scraped, thereby suppressing the generation of scraping debris.

[0085] More specifically, the temporary locking protrusion 92 includes the aforementioned evacuation protrusion 94 and the anti-detachment protrusion 93 (see Figure 3 、 Figure 6 The anti-dropout protrusion 93 is located closer to the other-side terminal connecting portion 12 than the retreat protrusion 94, that is, on the front side.

[0086] The escaping protrusion 94 is formed in a region in contact with the core wire crimping portion 14 in the extending direction of the cavity 34 , and more preferably, is located in a region between the front and rear ends of the core wire crimping portion 14 .

[0087] The anti-slip protrusion 93 is continuous with the front side of the retracting protrusion 94. When the terminal retaining member 80 is in the primary locking position, the anti-slip protrusion 93 is positioned to prevent slipping from the core wire crimping portion 14 and the mating terminal connecting portion 12. In this position, the retracting protrusion 94 is located outside the core wire crimping portion 14. The retracting protrusion 94 may contact the core wire crimping portion 14 to an extent that does not cause elastic deformation of the elastic piece 91.

[0088] The escape protrusion 94 protrudes further toward the terminal 10 than the retaining protrusion 93 (see FIG. Figure 3 、 Figure 7 and Figure 8 That is, the retraction protrusion 94 protrudes further than the anti-detachment protrusion 93 so that when the terminal holding member 80 is moved from the primary locking position to the secondary locking position, the retraction protrusion 94 first contacts the core wire crimping portion 14 and elastically deforms the elastic piece 91.

[0089] For example, the retraction protrusion 94 protrudes further than the retaining protrusion 93 in the direction of movement from the primary locking position to the secondary locking position of the terminal holding member 80. Furthermore, for example, the retraction protrusion 94 protrudes further than the retaining protrusion 93 toward the terminal 10, which is perpendicular to the direction of movement. Thus, the retraction protrusion 94 can contact the core wire crimping portion 14 before the retaining protrusion 93.

[0090] If the retracting protrusion 94 protrudes further than the retaining protrusion 93 in both the moving direction and the terminal 10 direction perpendicular to the moving direction, the retracting protrusion 94 can more reliably contact the core wire crimping portion 14 first.

[0091] The degree of protrusion of the retraction protrusion 94 is preferably such that contact between the anti-slip protrusion 93 and the side wall 13b is avoided when the terminal holding member 80 moves from the primary locking position to the secondary locking position. This degree of protrusion is set in consideration of the spacing of the connecting portion 13, the position of the upper edge of the side wall 13b, the size of the core wire crimping portion 14, etc.

[0092] The retracting protrusion 94 includes a retracting contact surface 94f facing the core wire crimping portion 14. The retracting contact surface 94f is preferably shaped so that its inward protrusion length gradually decreases as the terminal retaining member 80 moves from the primary locking position to the secondary locking position. This allows the elastic piece 91 to smoothly and elastically deform outward by pressing the retracting contact surface 94f against the core wire crimping portion 14.

[0093] Like the aforementioned retraction contact surface 94f, the retaining projection 93 may have a surface whose protruding length decreases inwardly toward the moving direction of the terminal holding member 80. This makes it easier to avoid contact between the retaining projection 93 and the side wall 13b.

[0094] Furthermore, the retaining projection 93 includes a terminal insertion guide projection 95 located on the opposite side to the mating terminal connecting portion 12 , that is, on the rear side, relative to the retraction projection 94 .

[0095] The inward surface of the terminal insertion guide protrusion 95 is formed as a terminal insertion guide surface 95f, and the terminal insertion guide surface 95f is directed away from the terminal 10 as it moves toward the side opposite to the other terminal connecting portion 12 (i.e., the rear side) in the extending direction of the cavity 34 (refer to FIG. Figure 6 ).

[0096] Therefore, when the terminal retaining member 80 is in the primary locking position, when the terminal 10 is inserted into the cavity 34, the top end of the terminal 10 contacts the terminal insertion guide surface 95f. As a result, the elastic sheet 91 elastically deforms outward in the left and right directions, and the temporary locking protrusion 92 retreats outward from the cavity 34. When the terminal connection portion 12 on the other side of the terminal 10 passes over the temporary locking protrusion 92, the elastic sheet 91 returns to its original shape, and the temporary locking protrusion 92 enters the cavity 34. As a result, the anti-detachment protrusion 93 of the temporary locking protrusion 92 becomes in a state where it can contact the rear end of the terminal connection portion 12 on the other side.

[0097] When the terminal retaining member 80 is mounted on the housing 30 at the secondary locking position, at least a portion of the temporary locking protrusion 92 may be arranged at a position where it can contact the terminal in the cavity 34. In this embodiment, the upward surface of the temporary locking protrusion 92 is arranged at a position that supports the terminal in the cavity 34 from below. For example, the upward surface 92f of the temporary locking protrusion 92 is arranged on the extension of the bottom surface of the portion of the cavity 34 that accommodates the other terminal connecting portion 12 (see FIG. Figure 4 ). Thus, the terminal 10 is stably supported in the cavity 34.

[0098] <About Terminal Holding Operation> An example of the holding operation of the terminal 10 will be described.

[0099] For example, a member is prepared in which the terminal holding member 80 is mounted on the housing 30 at the primary locking position (see Figure 5 In this state, the inner locking protrusions 83a and 83b do not protrude into the cavities 34 and 44. In addition, the temporary locking protrusion 92 enters the cavity 34.

[0100] Then, the terminal 10 is inserted into the cavity 34. During the insertion of the terminal 10, the tip of the terminal 10 contacts the terminal insertion guide surface 95f (see Figure 6 As the terminal 10 is further inserted, the tip of the terminal 10 moves forward while contacting the terminal insertion guide surface 95f, pushing the temporary retaining protrusion 92 outward to the right or left. As a result, the temporary retaining protrusion 92 retreats outward from the cavity 34, allowing the terminal 10 to be inserted deeper into the cavity 34.

[0101] When the other terminal connection portion 12 passes over the temporary locking protrusion 92 to the front side, the elastic force of the elastic piece 91 to restore the original shape causes the temporary locking protrusion 92 to resume its protruding state into the cavity 34. As a result, the temporary locking protrusion 92 is initially locked with the recess 11 of the terminal 10. More specifically, the anti-slip protrusion 93 is in a state of being anti-slipped and locked with the other terminal connection portion 12 from the rear (see FIG. Figures 6 to 8 ).

[0102] The terminal 10 is also inserted into the inner cavity 44 (see Figure 5 At this time, since the terminal 10 is initially locked in the cavity 34, the terminal 10 will not fall out of the cavity 34 without being noticed, and the insertion operation of the terminal 10 can be carried out.

[0103] When the insertion operation of the terminal 10 relative to the inner cavity 44 is completed, the terminal holding member 80 moves from the primary locking position to the secondary locking position. Then, the retreat contact surface 94f of the retreat protrusion 94 contacts the curved surface of the core wire crimping portion 14 (refer to Figure 9 When the terminal retaining member 80 is further pressed, the retraction protrusion 94 is pushed back toward the outside of the core wire crimping portion 14. When the retraction protrusion 94 moves downward over the core wire crimping portion 14, the elastic force of the elastic piece 91, which attempts to restore the original shape, causes the lance 90 to return to its original shape. The upward surface of the retraction protrusion 94 is exposed within the cavity 34 and is positioned to support the terminal 10 from below.

[0104] The terminal 10 in the cavity 34 can be moved toward the secondary locking position without worrying about it falling out.

[0105] When the terminal holding member 80 moves to the secondary locking position, the inner locking protrusion 83a enters the inner cavity 44 and locks with the recess 11 of the terminal 10 in the inner cavity 44, and the locking protrusion 83b enters the cavity 34 and locks with the recess 11 of the terminal 10 in the cavity 34. As a result, the terminal 10 is prevented from falling out of the cavities 34 and 44 to the rear.

[0106] <Effects, etc.> According to the connector 20 constructed as described above, the terminal holding member 80 is provided with the lance 90 for temporarily locking the terminal 10. Therefore, the housing 30 does not need to be provided with the lance, and the housing 30 can be miniaturized. As a result, the connector 20 capable of temporarily locking the terminal 10 can be further miniaturized.

[0107] Furthermore, the terminal retaining member 80 can be moved from the primary locking position to the secondary locking position while the lance 90 is elastically deformed in a direction away from the terminal 10 by bringing the lance's retracting contact surface 94f into contact with the core wire crimping portion 14. At this time, since the retracting contact surface 94f is in contact with the core wire crimping portion 14, the generation of scraping debris caused by the lance 90 contacting the terminal 10 can be suppressed.

[0108] Furthermore, the temporary locking protrusion 92 of the lance 90 and the locking protrusion 83b can be locked with the same recess 11 in the terminal 10. Therefore, it is not necessary to form separate areas for the primary locking of the lance 90 and the secondary locking of the locking protrusion 83b in the terminal 10. This allows the terminal 10 to be simplified and miniaturized, which also contributes to the miniaturization of the connector 20.

[0109] In addition, the lance 90 has a retaining projection 93 located closer to the mating terminal connecting portion 12 than the retraction projection 94, and the retraction projection 94 protrudes further toward the terminal 10 than the retaining projection 93. Therefore, while avoiding contact between the retaining projection 93 and the terminal 10, it is easy to bring the retaining projection 94 into contact with the terminal 10.

[0110] If the retraction protrusion 94 protrudes more than the anti-slip protrusion 93 in the direction of movement of the terminal holding member 80 to the secondary locking position and in the terminal 10 side perpendicular to the movement direction, the retraction protrusion 94 is more likely to contact the core wire crimping portion 14 before the anti-slip protrusion 93. This can more reliably avoid contact between the anti-slip protrusion 93 and the side wall 13b, and suppress the generation of scraping debris due to contact between the lance 90 and the terminal 10.

[0111] When the terminal holding member 80 moves to the secondary locking position, the retraction contact surface 94f contacts the core wire crimping portion 14 to avoid contact between the anti-slip protrusion 93 and the pair of side walls 13b, thereby effectively suppressing the generation of scraping caused by the contact between the lance 90 and the terminal 10.

[0112] Furthermore, the temporary retaining protrusion 92 of the lance 90 includes a terminal insertion guide protrusion 95, which includes the aforementioned terminal insertion guide surface 95f. Therefore, when the terminal 10 is inserted into the cavity 34 with the terminal retaining member 80 mounted in the housing 30 in the primary retaining position, the terminal 10 contacts the terminal insertion guide surface 95f. This allows the lance 90 to elastically deform away from the terminal 10, making it easier to insert the terminal 10 into the cavity 34.

[0113] Furthermore, when the terminal retaining member 80 is mounted on the housing 30 in the secondary locking position, at least a portion of the temporary locking projection 92 of the lance 90 is positioned so as to contact the terminal 10 in the cavity 34. Although a recess for the temporary locking projection 92 to pass through is formed around the cavity 34, the temporary locking projection 92 can enter this recess and support the terminal 10 in the cavity 34. Therefore, compared to a case where the recess for the temporary locking projection 92 to pass through is previously provided as an empty space, the terminal 10 is more stable in the cavity 34.

[0114] The lance 90 is formed so as to protrude from the terminal retaining body 82 in the same direction as the retaining wall 84 so as to be positioned within the primary retaining opening 50 and to elastically deform in a left-right direction intersecting the direction in which the cavity 34 extends. Consequently, the structure for forming the lance 90 can be reduced compared to a case where the lance 90 is positioned along the direction in which the cavity 34 extends. Consequently, the front-to-back dimensions of the connector 20 can be miniaturized. Furthermore, the lance can also be formed to be elongated along the direction in which the cavity 34 extends.

[0115] Furthermore, the lance 90 extends so as to avoid engagement with the terminal 10 disposed within the inner cavity 44. Therefore, after the terminal 10 is inserted into the cavity 34 and the lance 90 is preliminarily engaged with the terminal 10, the terminal 10 is inserted into the inner cavity 44. Subsequently, if the terminal retaining member 80 is moved from the preliminarily engaged position to the preliminarily engaged position, the terminal 10 within the inner cavity 44 is prevented from falling out. Consequently, the structure for preliminarily engaging the terminal 10 within the inner cavity 44 is eliminated, allowing the connector 20 to be further simplified and miniaturized.

[0116] Since the temporary locking protrusion 92 temporarily locks the terminal 10 in the cavity 34 away from the terminal holding body 82, it is easy to elastically deform it to a greater extent than a structure that temporarily locks the terminal 10 in the inner cavity 44 close to the terminal holding body 82. As a result, it is easy to move the terminal holding member 80 toward the secondary locking position.

[0117] Furthermore, since the locking projection 83 b projects from the terminal holding body 82 at a position separated from the lance 90 , the lance 90 can be easily elastically deformed.

[0118] Furthermore, the pair of locking walls 84 are locked to the secondary locking protrusions 66 of the housing 30 at positions on the front and rear outer sides of the primary locking opening 50 along the extending direction of the cavity 34 , thereby securely mounting the terminal holding member 80 on the housing 30 .

[0119] [Modification] In the present embodiment, the retraction contact surface 94 f of the retraction protrusion 94 may be in contact with the covering portion crimping portion 15 .

[0120] In this embodiment, the temporary locking protrusion 92 and the locking protrusion 83b are locked to the same recess 11 in the terminal 10. The lance for primary locking and the locking protrusion for secondary locking may be locked to different positions relative to the terminal.

[0121] In this embodiment, a temporary locking protrusion capable of temporarily locking with the terminal in the inner cavity may be provided at an inward portion of a middle portion in the extending direction of the lance.

[0122] Furthermore, the configurations described in the above-mentioned embodiment and the various modifications can be appropriately combined as long as they do not contradict each other. Description of Reference Numerals

[0123] 10 terminals 11 recess 12 Terminal connection section on the other side 13. Connection 13a bottom 13b Sidewall 14 Core wire crimping part (crimping part) 14p tightening tablets 15 Covering part crimping part 20 connectors 30 Shell 31F front panel 31Fa connection hole 32, 42 terminal storage area 34 cavities 44 medial cavity 50 Primary locking opening 52 Secondary locking opening 56 Recessed portion for locking 65 Primary locking protrusion 66 Secondary locking protrusion 80 Terminal retaining member 82 Terminal retaining body 83a Inner locking protrusion 83b locking protrusion 83b1 Intermediate wall 83b2 Anti-slip part 84 locking wall 84g recess for escape 85 Mounting locking protrusion 90 Spear 91 elastic sheet 92 Temporary stop protrusion 92f upward surface 93 Anti-slip part 94 Retraction protrusion 94f Retraction contact surface 95 Terminal insertion guide protrusion 95f terminal insertion guide surface W Wire Wa core wire

Claims

1. A connector holding a terminal having a mating terminal connecting portion and a crimping portion to be crimped to an end portion of an electric wire, The connector has: a housing having a cavity for receiving the terminal; and The terminal holding member can be mounted on the housing in a primary locking position and a secondary locking position, The terminal holding member comprises: a lance portion capable of temporarily locking with the terminal in the cavity at the primary locking position; and a locking protrusion capable of locking with the terminal in the cavity at the secondary locking position, The lance has a retraction protrusion, and the retraction protrusion has a retraction contact surface. The retraction contact surface is formed at a position where, when the terminal holding member moves from the primary locking position to the secondary locking position, the retraction contact surface contacts the crimping portion to elastically deform the lance in a direction away from the terminal.

2. The connector according to claim 1, wherein The terminal has a recessed portion between the mating terminal connecting portion and the crimping portion. When the terminal holding member is located at the primary locking position, the lance is primarily locked with the recess. When the terminal holding member is located at the secondary locking position, the locking protrusion is locked with the recess in a secondary manner.

3. The connector according to claim 1 or claim 2, wherein: The lance has a retaining projection located closer to the mating terminal connecting portion than the retraction projection. When the terminal holding member is located at the primary locking position, the anti-detachment protrusion is locked with the other terminal connecting portion from the crimping portion side. The escape protrusion protrudes toward the terminal to a greater extent than the retaining protrusion.

4. The connector according to claim 3, wherein The retraction protrusion protrudes larger than the disengagement prevention protrusion in a movement direction of the terminal holding member from the primary locking position to the secondary locking position and in a terminal side perpendicular to the movement direction.

5. The connector according to claim 3, wherein The terminal has a connecting portion that connects the other terminal connecting portion and the crimping portion. The connecting portion has a bottom and a pair of side walls rising from both side edges of the bottom. When the terminal holding member moves from the primary locking position to the secondary locking position, the retraction contact surface contacts the crimping portion to avoid contact between the retaining projection and the pair of side walls.

6. The connector according to claim 1 or claim 2, wherein: The lance has a terminal insertion guide protrusion, and the terminal insertion guide protrusion is located on the opposite side of the mating terminal connecting portion relative to the retraction protrusion. The terminal insertion guide projection includes a terminal insertion guide surface that faces in a direction away from the terminal as it faces toward a side opposite to the mating terminal connecting portion in an extending direction of the cavity.

7. The connector according to claim 1 or claim 2, wherein: When the terminal holding member is mounted on the housing at the secondary locking position, at least a portion of the lance is disposed at a position capable of contacting the terminal in the cavity.

8. The connector according to claim 1 or claim 2, wherein: The housing has a secondary latching opening and a primary latching opening. The terminal holding member comprises: a terminal holding body mounted on the secondary locking opening; and a pair of locking walls extending from both sides of the terminal holding body along both sides of the housing. The locking protrusion is formed in a manner of protruding from the terminal holding body toward the cavity. The lance protrudes from the terminal holding body in the same direction as the pair of locking walls so as to be arrangeable in the primary locking opening, and is elastically deformable in a direction intersecting the extending direction of the cavity.

9. The connector according to claim 8, wherein The housing has an inner cavity located closer to the terminal holding body than the cavity. The lance extends so as to avoid being caught by a terminal disposed in the inner cavity among the plurality of terminals.

10. The connector according to claim 8, wherein The locking protrusion protrudes from the terminal holding body at a position separated from the lance.

11. The connector according to claim 8, wherein The pair of locking walls respectively have mounting locking protrusions, and the mounting locking protrusions are engaged with the secondary sides of the housing at positions on both outer sides of the primary locking opening along the extending direction of the cavity.

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