Insulation connector

Abstract

Reduce the number of manufacturing steps. [Solution] The crimp connector A comprises a housing 10 having a terminal housing chamber 12, and a terminal fitting 30 inserted into the terminal housing chamber 12 from the rear of the housing 10. The terminal fitting 30 has an insertion hole 40 through which an insulated wire 50 is inserted in a direction intersecting the insertion direction of the terminal fitting 12 into the terminal housing chamber 12, and a crimp groove 41 that constitutes a crimp blade 42 extending rearward from the insertion hole 40. The rear surface 10R of the housing 10 has a movement restricting portion 15 that contacts the insulated wire 50 to restrict the forward movement of the insulated wire 50.

Description

Technical Field

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

Background Art

[0002] Patent Document 1 discloses a crimp connector including a terminal to which an electric wire is connected and a housing that houses the terminal. When manufacturing the crimp connector, the terminal is housed in the housing, and then the electric wire is crimped to the terminal.

Prior Art Documents

Patent Documents

[0003]

Patent Document 1

[0007] According to this disclosure, the number of manufacturing steps can be reduced. [Brief explanation of the drawing]

[0008] [Figure 1] Figure 1 is a perspective view showing the state in which an insulated wire is crimped to the crimp connector of Example 1. [Figure 2] Figure 2 is a perspective view of the housing. [Figure 3] Figure 3 is a perspective view of the terminal fittings, seen from diagonally above and behind. [Figure 4] Figure 4 is a perspective view of the terminal fittings, seen from diagonally downwards and in front. [Figure 5] Figure 5 is a perspective view of the retainer. [Figure 6] Figure 6 is a perspective view showing the terminal fittings attached to the housing in their preset positions. [Figure 7] Figure 7 is a plan cross-sectional view showing the terminal fittings held in a preset position and the insulated wire inserted through the insertion hole. [Figure 8] Figure 8 is a plan cross-sectional view showing the state in which the terminal fitting has been properly inserted into the terminal housing chamber and the insulated wire has been crimped to the terminal fitting. [Modes for carrying out the invention]

[0009] [Description of Embodiments in this Disclosure] First, embodiments of this disclosure will be listed and described. Any combination of the following embodiments, in a manner that does not create a contradiction, is also included as a form for carrying out the invention.

[0010] The crimp connector disclosed herein is (1) The device comprises a housing having a terminal housing chamber and a terminal fitting inserted into the terminal housing chamber from the rear of the housing, wherein the terminal fitting has an insertion hole for inserting an insulated wire in a direction intersecting the direction in which the terminal fitting is inserted into the terminal housing chamber, and a pressure contact groove that forms a pressure contact blade extending rearward from the insertion hole, and the rear surface of the housing has a movement restricting portion that contacts the insulated wire to restrict the forward movement of the insulated wire.

[0011] When manufacturing the crimp connector of this disclosure, the insulated wire inserted through the insertion hole is positioned facing the movement restricting portion from the rear, and the terminal fitting is inserted into the terminal housing chamber. During the insertion process of the terminal fitting, the insulated wire, which is in contact with the movement restricting portion, is displaced relatively backward within the crimp groove, causing the insulation coating of the insulated wire to be cut by the crimping blades, and the conductor of the insulated wire to be connected to the crimping blades. With the crimp connector of this disclosure, the process of inserting the terminal fitting into the terminal housing chamber and the process of crimping the terminal fitting and the insulated wire can be performed in a single action, thus reducing the number of manufacturing steps.

[0012] (2) In (1), it is preferable that the terminal fitting is movable relative to the housing between a preset position in which the insertion hole is positioned outside the housing and a completed position in which it is properly inserted into the terminal housing chamber and the crimping with the insulated wire is completed, and the housing is provided with a holding part for holding the terminal fitting in the preset position. With this configuration, for example, when performing maintenance by hand, the stroke of the insulated wire from the position in which it is inserted into the insertion hole to the position in which it completes crimping with the crimping blade can be controlled to be a constant dimension.

[0013] (3)(2) In this case, the housing includes a terminal accommodating member in which the terminal accommodating chamber is formed, and a retainer that is attached to the terminal accommodating member to prevent the terminal fitting in the terminal accommodating chamber from coming off. It is preferable that the holding portion is formed on the retainer. According to this configuration, since the retainer for preventing the terminal fitting from coming off also has the function of holding the terminal fitting at the preset position, the number of parts can be reduced compared to the form in which a dedicated part having a holding portion is provided.

[0014] (4) In (1) to (3), it is preferable that a stopper for closing the rear end of the pressure contact groove is formed on the terminal fitting. According to this configuration, it is possible to prevent the covered electric wire that has been pressure contacted from detaching rearward from the pressure contact groove.

[0015] (5) In (4), in a state where the terminal fitting is properly inserted and the pressure contact between the terminal fitting and the covered electric wire is completed, it is preferable that the conductor of the covered electric wire abuts against the stopper or faces the stopper in proximity. According to this configuration, the displacement of the covered electric wire in the front-rear direction after the pressure contact is completed can be prevented or suppressed by the stopper and the movement restricting portion.

[0016] (6) In (5), in the axial direction view when the terminal fitting is viewed in the axial direction of the covered electric wire, it is preferable that the stopper has an arc shape along the outer peripheral surface of the conductor. According to this configuration, when the covered electric wire is pulled backward, the deformation of the conductor can be suppressed.

[0017] [Details of Embodiments of the Present Disclosure] [Example 1] The press-connection connector A of Example 1 embodying the present disclosure will be described with reference to FIGS. 1 to 8. The present invention is not limited to these examples, but is shown by the claims, and includes all changes within the meaning and scope equivalent to the claims. In the present Example 1, regarding the front-back direction, the F direction in FIGS. 1 to 8 is defined as the front. Regarding the up-down direction, the H direction in FIGS. 1 to 6 is defined as the up. Regarding the left-right direction, the R direction in FIGS. 1 to 8 is defined as the right. In the following description, the left-right direction and the width direction are synonymous. The axial direction of the covered electric wire 50 and the up-down direction are synonymous. The plan view of the press-connection connector A as viewed from above and the axial direction view as viewed in the axial direction of the covered electric wire 50 are synonymous.

[0018] The press-connection connector A of the present Example 1 is configured by assembling a housing 10 and a plurality of terminal fittings 30. A plurality of covered electric wires 50 are to be press-connected to the press-connection connector A. The covered electric wire 50 is an electric conduction path in a well-known form in which a conductor 51 is surrounded by an insulating coating 52. In a cross-section obtained by cutting the covered electric wire 50 at right angles to its length direction, the conductor 51 has a circular shape, and the outer peripheral surface of the insulating coating 52 has a circular shape concentric with the conductor 51. The covered electric wire 50 is to be press-connected to the terminal fitting 30 in a state where its axis is oriented in the up-down direction.

[0019] The housing 10 is configured by assembling a terminal accommodating member 11 made of synthetic resin and a retainer 20 made of synthetic resin. Inside the terminal accommodating member 11, a plurality of terminal accommodating chambers 12 for accommodating the terminal fittings 30 are formed (see FIGS. 7 and 8). The plurality of terminal accommodating chambers 12 are, for example, divided into upper and lower two stages, and are arranged side by side in the left-right direction in each stage. The terminal accommodating chamber 12 is a longitudinally elongated space in the front-back direction. On the inner wall surface of the terminal accommodating chamber 12, a stepped primary locking portion 13 is formed. The rear end of the terminal accommodating chamber 12 opens as a terminal insertion port 14 on the rear surface 10R of the housing 10 (terminal accommodating member 11).

[0020] Multiple movement restricting portions 15 are formed on the rear surface 10R of the terminal housing member 11. The movement restricting portions 15 are arranged, for example, near the upper and lower positions of each terminal insertion opening 14. That is, when viewed from the rear, the movement restricting portions 15 are arranged on both sides in the vertical direction of each terminal insertion opening 14. When viewed from the rear, the movement restricting portions 15 have portions that are provided along the opening edge of the terminal housing chamber 12 near the opening edge of the terminal housing chamber 12 on the rear surface 10R. The movement restricting portions 15 are, for example, plate-shaped with their thickness direction oriented vertically and protruding rearward from the rear surface 10R of the terminal housing member 11. The movement restricting portions 15 have a pressure-receiving surface 16 formed at their rear end face, which is recessed. In plan view, the pressure-receiving surface 16 has a semi-circular arc shape. The radius of curvature of the pressure-receiving surface 16 is set to be the same as, or slightly larger than, the radius of curvature of the outer surface of the insulated wire 50 (insulating coating 52).

[0021] The terminal housing member 11 has mounting holes 17 for attaching the retainer 20. The mounting holes 17 open in a vertically elongated slit shape on the side surface of the terminal housing member 11. The mounting holes 17 communicate with a plurality of terminal housing chambers 12 at a position rearward from the primary locking portion 13.

[0022] As shown in Figure 5, the retainer 20 is a single component having a rectangular frame portion 21 and a pair of upper and lower locking arms 22. The retainer 20 is inserted into the mounting hole 17. The retainer 20 is held in a temporary locking position (see Figure 7) and a permanent locking position (see Figure 8) with respect to the terminal housing member 11 within the mounting hole 17 by engaging the locking arms 22 with locking portions (not shown) within the mounting hole 17. Multiple secondary locking portions 25 are formed on the upper edge portion 23 and lower edge portion 24 that constitute the frame portion 21, and they protrude upward. A holding portion 26 is formed on the side surface of each secondary locking portion 25. The holding portion 26 has a cantilevered shape that protrudes diagonally forward and is elastically deformable in the left-right direction.

[0023] The terminal fitting 30 is a single, elongated component in the front-to-back direction. The terminal fitting 30 has a rectangular tubular terminal body portion 31, a connecting portion 32, and a rectangular tubular pressure contact portion 33. The terminal body portion 31 constitutes the front end portion of the terminal fitting 30, and the pressure contact portion 33 constitutes the rear end portion of the terminal fitting 30. The connecting portion 32 is the portion that connects the rear end of the terminal body portion 31 and the front end of the pressure contact portion 33.

[0024] The terminal body portion 31 has a plate-shaped lance 34 that extends diagonally backward from the outer surface of the terminal body portion 31 in a cantilevered manner. The lance 34 is elastically deformable in the left-right direction. On the outer surface of the terminal body portion 31 opposite to the lance 34, a preset locking portion 35 with a stepped recessed shape is formed. At the boundary between the front end of the pressure contact portion 33 and the connecting portion 32, a retaining locking portion 36 with a stepped recessed shape is formed.

[0025] The upper plate portion 37 and the lower plate portion 38 that constitute the pressure contact portion 33 each have through holes 40 formed therein. The through holes 40 are used to insert the insulated wire 50 in a direction intersecting the direction in which the terminal fitting 30 is inserted into the terminal housing chamber 12. The through holes 40 penetrate the upper plate portion 37 and the lower plate portion 38 in the vertical direction. In a plan view, the shape, size, and arrangement of the through holes 40 formed in the upper plate portion 37 are the same as those formed in the lower plate portion 38. The plan view shape of the through holes 40 is circular. The inner diameter of the through holes 40 is the same as, or slightly larger than, the outer diameter of the insulated wire 50.

[0026] The upper plate portion 37 and the lower plate portion 38 each have a pressure contact groove 41 extending rearward from the insertion hole 40. The pressure contact groove 41 penetrates the upper plate portion 37 and the lower plate portion 38 in the vertical direction. In a plan view, the shape, size, and arrangement of the pressure contact groove 41 formed in the upper plate portion 37 are the same as those formed in the lower plate portion 38. In plan view, the shape of the pressure contact groove 41 is, for example, a constant width and elongated in the front-to-back direction. The left and right opening edges of the pressure contact groove 41 function as a pair of pressure contact blades 42. The groove width of the pressure contact groove 41 (the distance between the opposing pairs of pressure contact blades 42) is set to be smaller than the insertion hole 40 and slightly smaller than the outer diameter of the conductor 51 of the insulated wire 50.

[0027] A stopper 43 is formed on the upper plate portion 37 and the lower plate portion 38, respectively. The stopper 43 is the part that closes the rear end of the pressure contact groove 41. The plan view shape of the stopper 43 is, for example, a semicircle. The stopper 43 has an arc shape that follows the outer surface of the conductor 51. The stopper 43 is connected tangentially to the rear end of the pressure contact blade 42. Therefore, the radius of curvature of the stopper 43 is set to a dimension slightly smaller than the radius in the cross-section of the conductor 51.

[0028] Next, the assembly procedure for the crimp connector A will be described. First, the retainer 20 is inserted into the mounting hole 17 of the terminal housing member 11, and the retainer 20 is held in a temporary locking position relative to the terminal housing member 11. When the retainer 20 is in the temporary locking position, as shown in Figure 7, the secondary locking portion 25 is located outside the terminal housing chamber 12, and the extended end of the holding portion 26 is extended into the terminal housing chamber 12. Next, the terminal fitting 30 is inserted into the terminal housing chamber 12 from the rear of the housing 10. During the insertion of the terminal fitting 30, the holding portion 26 is elastically deformed due to interference with the outer surface of the terminal body portion 31, and the extended end of the holding portion 26 slides against the outer surface of the terminal body portion 31. Similarly, during the insertion of the terminal fitting 30, the lance 34 slides against the inner wall surface of the terminal housing chamber 12 in an elastically deformed state.

[0029] When the terminal fitting 30 reaches the preset position, the holding portion 26 elastically returns to its original position, and the extended end of the holding portion 26 engages with the preset locking portion 35. This engagement holds the terminal fitting 30 in the preset position. When the terminal fitting 30 is in the preset position, as shown in Figures 6 and 7, the pressure contact portion 33 of the terminal fitting 30 protrudes outward from the rear of the terminal housing chamber 12, and the insertion hole 40 and the pressure contact groove 41 are located behind the rear surface 10R of the housing 10. As shown in Figure 7, in a plan view, the circular insertion hole 40 and the semicircular pressure receiving surface 16 of the movement restricting portion 15 are arranged concentrically.

[0030] With the terminal fitting 30 temporarily held in a preset position, each insulated wire 50 is inserted through the pair of upper and lower insertion holes 40. After inserting the insulated wires 50 through the insertion holes 40, the terminal fitting 30 is pushed forward to advance its insertion into the terminal housing chamber 12. During the insertion of the terminal fitting 30, the insulated wires 50 are in contact with the pair of upper and lower movement restricting parts 15 (pressure receiving surfaces 16) from behind, so even if the terminal fitting 30 moves forward, the insulated wires 50 do not move forward, and the insulated wires 50 move backward relative to the terminal fitting 30. Therefore, as the insertion of the terminal fitting 30 progresses, the insulated wires 50 move from the insertion holes 40 into the pair of upper and lower pressure contact grooves 41, and as they move within the pressure contact grooves 41, the insulating coating 52 is cut by the two pairs of upper and lower pressure contact blades 42, and the conductor 51 comes into contact with the pressure contact blades 42.

[0031] When the terminal fitting 30 reaches the insertion completion position, the lance 34 elastically returns and engages with the primary locking portion 13. The engagement between the lance 34 and the primary locking portion 13 prevents the terminal fitting 30 from coming loose. After all the terminal fittings 30 are held in the insertion completion position, the retainer 20, which is in the temporary locking position, is pushed to the permanent locking position. When the retainer 20 reaches the permanent locking position, the secondary locking portion 25 of the retainer 20 engages with the anti-dislodgement locking portion 36 of the terminal fitting 30. As a result, the terminal fitting 30 is prevented from moving relative to the terminal housing member 11 in the front-rear direction by the retainer 20. The primary locking action by the engagement between the lance 34 and the primary locking portion 13, and the secondary locking action by the anti-dislodgement locking portion 36 and the secondary locking portion 25, hold the terminal fitting 30 in a state where it cannot come loose at the insertion completion position.

[0032] When the terminal fitting 30 reaches the insertion completion position, the conductor 51 of the insulated wire 50 reaches the rear end of the crimping groove 41 (crimping blade 42), and the crimping of the insulated wire 50 to the terminal fitting 30 is completed. Once the crimping is complete, the conductor 51 is in a state where it is approaching the pair of upper and lower stoppers 43 from the front, or in a state where it is in contact with the pair of upper and lower stoppers 43 from the front. Above and below the stoppers 43, the insulating coating 52 of the insulated wire 50 is maintained in a state where it is in contact with the pair of upper and lower movement restricting parts 15 (pressure receiving surface 16) from the rear. Therefore, one insulated wire 50 is held in a state where it is sandwiched in the front-rear direction between the pair of movement restricting parts 15 and the pair of stoppers 43. As a result, the process of inserting the terminal fitting 30 into the housing 10 and the process of crimping the insulated wire 50 to the terminal fitting 30 are completed simultaneously.

[0033] The crimp connector A of this embodiment 1 comprises a housing 10 having a terminal housing chamber 12, and a terminal fitting 30 inserted into the terminal housing chamber 12 from the rear of the housing 10. The terminal fitting 30 has an insertion hole 40 and a crimp groove 41. The insulated wire 50 is inserted through the insertion hole 40 in a vertical direction intersecting the direction in which the terminal fitting 30 is inserted into the terminal housing chamber 12. The insertion hole 40 is positioned to be connected to the front end of the crimp groove 41. The crimp groove 41 is a part that constitutes a pair of crimp blades 42 extending rearward from the insertion hole 40. A movement restricting portion 15 is formed on the rear surface 10R of the housing 10, which restricts the forward movement of the insulated wire 50 by contacting the insulated wire 50.

[0034] When manufacturing the crimp connector A, the insulated wire 50 inserted through the insertion hole 40 is positioned facing the movement restricting portion 15 from the rear, and the terminal fitting 30 is inserted into the terminal housing chamber 12. During the insertion process of the terminal fitting 30, the insulated wire 50, which is in contact with the movement restricting portion 15, is displaced relatively backward within the crimp groove 41, causing the insulating coating 52 of the insulated wire 50 to be cut by the crimp blade 42, and the conductor 51 of the insulated wire 50 to be connected to the crimp blade 42. According to the crimp connector A of this embodiment 1, the process of inserting the terminal fitting 30 into the terminal housing chamber 12 and the process of crimping the terminal fitting 30 and the insulated wire 50 can be performed in a single action, thus reducing the number of manufacturing steps.

[0035] The terminal fitting 30 is movable relative to the housing 10 between a preset position in which the insertion hole 40 is positioned outside the housing 10 and a completed crimping position in which it is properly inserted into the terminal housing chamber 12 and crimping with the insulated wire 50 is completed. Preferably, the housing 10 is provided with a holding part 26 for holding the terminal fitting 30 in the preset position. With this configuration, when performing manual maintenance, the stroke of the insulated wire 50 from the position in which it is inserted into the insertion hole 40 to the position in which crimping with the crimping blade 42 is completed can be controlled to be a constant dimension.

[0036] The housing 10 comprises a terminal housing member 11 having a terminal housing chamber 12 and a retainer 20. The retainer 20 is a component that prevents the terminal fitting 30 from being removed from the terminal housing chamber 12 by being attached to the terminal housing member 11. A holding portion 26 is formed on the retainer 20. With this configuration, the retainer 20 for preventing the terminal fitting 30 from being removed also has the function of holding the terminal fitting 30 in a preset position, so the number of parts can be reduced compared to a configuration in which a dedicated part with a holding portion 26 is provided. In addition, because the terminal fitting 30 can be held in a preset position by the holding portion 26 of the retainer 20, it is easy to insert the insulated wire 50 into the insertion hole 40.

[0037] The crimp connector A of this embodiment 1 comprises a terminal fitting 30 having an insertion hole 40 and a crimp groove 41 that communicate with each other, and a movement restricting part 15 to which a covered wire 50 can abut. The covered wire 50 is inserted through the insertion hole 40. The crimp groove 41 has a crimping blade 42 that extends from the edge of the insertion hole 40 and cuts the insulating coating 52 of the covered wire 50. The covered wire 50 is crimped to the terminal fitting 30 by moving within the crimp groove 41 starting from the insertion hole 40. When the crimping of the covered wire 50 to the terminal fitting 30 is completed, the covered wire 50 is restricted from moving toward the insertion hole 40 by abutting against the movement restricting part 15. With this configuration, it is possible to prevent the crimped covered wire 50 from moving toward the insertion hole 40, thus stabilizing the connection between the terminal fitting 30 and the covered wire 50. As described above, the movement restriction section 15 not only has the function of performing the insertion of the terminal fitting 30 into the terminal housing chamber 12 and the crimping of the insulated wire 50 onto the terminal fitting 30 in a single action, but also has the function of preventing the crimped insulated wire 50 from moving into the insertion hole 40.

[0038] The pressure-fit connector A includes a housing 10 into which a terminal fitting 30 is inserted. The movement restricting portion 15 is integrally formed with the housing 10. This configuration reduces the number of parts compared to when the movement restricting portion 15 is formed as a separate part from the housing 10. The movement restricting portion 15 has an arc-shaped pressure-receiving surface 16 that is aligned with the outer surface of the insulated wire 50 (insulating coating 52). This configuration suppresses displacement of the insulated wire 50 in the width direction intersecting the insertion direction of the terminal fitting 30 into the terminal housing chamber 12.

[0039] The terminal fitting 30 has a stopper 43 that closes the rear end of the crimping groove 41. This configuration prevents the crimped insulated wire 50 from detaching from the crimping groove 41 to the rear. When the terminal fitting 30 reaches the insertion completion position in the terminal housing chamber 12 and is properly inserted, and the crimping between the terminal fitting 30 and the insulated wire 50 is completed, the conductor 51 of the insulated wire 50 is in contact with or close to the stopper 43. This configuration prevents or suppresses displacement of the crimped insulated wire 50 in the front-rear direction by the stopper 43 and the movement restricting part 15. In an axial view of the terminal fitting 30 in the axial direction of the insulated wire 50, the stopper 43 has an arc shape along the outer surface of the conductor 51. This configuration suppresses deformation of the conductor 51 when the insulated wire 50 is pulled to the rear.

[0040] [Other examples] The present invention is not limited to the embodiments described above and in the drawings, but is shown in the claims. The present invention includes the meaning of equivalents of the claims and all modifications within the claims, and also includes the following embodiments. The housing may be configured without a retaining portion for holding the terminal fittings in a preset position. The retaining portion may be formed integrally with the terminal housing member. The retaining portion may be formed as a separate component from the housing and retainer. The housing may be in a form that does not have a retainer. The rear end of the crimping groove may be open to the rear of the terminal fitting. In an axial view, the shape of the stopper may be other than a semicircle. The terminal fitting may be in a form that does not have a stopper. The pressure-receiving surface of the movement restriction section may be a flat surface, a triangle, or the like. [Explanation of symbols]

[0041] A... Insulation connector 10… Housing 10R…Rear of the housing 11…Terminal housing member 12…Terminal housing room 13... Primary locking part 14…Terminal insertion slot 15…Movement Restriction Department 16…Pressure-receiving surface 17…Mounting holes 20…Retainer 21...frame section 22... Lock Arm 23…Upper edge 24...Lower edge 25...Secondary locking part 26...Holding part 30…Terminal fittings 31...Terminal body 32...Connection part 33...Pressure-welded section 34... Lance 35…Preset locking part 36... Locking mechanism to prevent accidental removal 37…Upper plate section 38…Lower plate part 40…Through hole 41...Pressure welding groove 42... Press-fit blade 43... Stopper 50...Insulated wire 51...Conductor 52...Insulating coating

Claims

1. A housing having a terminal housing chamber, The housing comprises a terminal fitting inserted into the terminal housing chamber from the rear, The terminal fitting has an insertion hole for inserting an insulated wire in a direction intersecting the insertion direction of the terminal fitting into the terminal housing chamber, and a pressure contact groove that forms a pressure contact blade extending rearward from the insertion hole. A crimp connector having a movement restricting portion formed on the rear surface of the housing that contacts the insulated wire to restrict the forward movement of the insulated wire.

2. The terminal fitting is movable relative to the housing between a preset position in which the insertion hole is positioned outside the housing and a completed position in which it is properly inserted into the terminal housing chamber and the crimping with the insulated wire is completed. The press-fit connector according to claim 1, wherein the housing is provided with a holding portion for holding the terminal fitting in the preset position.

3. The aforementioned housing is A terminal housing member having the aforementioned terminal housing chamber formed therein, The device comprises a retainer that is attached to the terminal housing member to prevent the terminal fitting from being removed from the terminal housing chamber, The press-fit connector according to claim 2, wherein the retainer has the holding portion formed thereon.

4. The pressure-fitting connector according to any one of claims 1 to 3, wherein the terminal fitting has a stopper formed therein that closes the rear end of the pressure-fitting groove.

5. The crimp connector according to claim 4, wherein when the terminal fitting is properly inserted and the crimp contact between the terminal fitting and the insulated wire is completed, the conductor of the insulated wire abuts against the stopper or is in close proximity to and facing the stopper.

6. The crimp connector according to claim 5, wherein, in an axial view of the terminal fitting viewed in the axial direction of the insulated wire, the stopper has an arc shape along the outer surface of the conductor.

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