WO2022168881A1 - Connector - Google Patents

Abstract

A connector (20) is provided with a housing (21), a first terminal (22A) accommodated in the housing (21), an electric cable (23) electrically connected to the first terminal (22A), a temperature sensor (24), and a holder (25). The temperature sensor (24) includes a sensor body (24a) attached to a surface of the electric cable (23), and a lead wire (24b) extending from the sensor body (24a). The holder (25) includes an enclosing portion (71) which collectively covers the electric cable (23) and the sensor body (24a). The housing (21) has an insertion hole (53) through which the electric cable (23) is inserted. The enclosing portion (71) is inserted into the insertion hole (53). Furthermore, the enclosing portion (71) is interposed between an inner peripheral surface of the insertion hole (53) and the electric cable (23), and between the inner peripheral surface of the insertion hole (53) and the sensor body (24a).

Description

connector

The present disclosure relates to connectors.

For example, Patent Document 1 discloses a connector used in a wire harness mounted on a vehicle. This connector includes a housing, terminals housed in the housing, and wires electrically connected to the terminals. The housing has a housing body and a retainer attached to the housing body. The retainer has an insertion hole through which the electric wire is inserted. The connector also has a temperature sensor attached to the surface of the wire. The temperature sensor is a sensor for acquiring the temperature of the electric wire, and is assembled between the surface of the electric wire and the inner peripheral surface of the insertion hole of the retainer. The connector also has a retainer member for preventing the temperature sensor from coming out of the insertion hole.

JP 2017-220355 A

In the above connector, if the setting of the wire diameter is changed, it is necessary to change the shape of the retainer including the insertion hole through which the wire is inserted. As a result, it becomes necessary to change the mold for molding the retainer, resulting in a large increase in manufacturing cost.

An object of the present disclosure is to provide a connector that eliminates the need to change the shape of the housing even if the wire diameter is changed.

A connector of the present disclosure includes a housing, terminals housed in the housing, electric wires electrically connected to the terminals, a sensor body attached to the surface of the electric wires, and lead wires extending from the sensor body. and a holder having an enclosing portion that collectively covers the electric wire and the sensor body, the housing has an insertion hole through which the electric wire is inserted, and the enclosing portion includes the It is inserted into the insertion hole, and the surrounding portion is interposed between the inner peripheral surface of the insertion hole and the electric wire, and between the inner peripheral surface of the insertion hole and the sensor main body.

According to the present disclosure, it is possible to provide a connector that eliminates the need to change the shape of the housing even if the wire diameter is changed.

FIG. 1 is a schematic diagram showing a vehicle equipped with a connector according to an embodiment. FIG. 2 is a side view of a connector of the same form. FIG. 3 is a front view of a connector of the same form. FIG. 4 is a perspective view of a connector of the same form. FIG. 5 is an exploded perspective view of a connector of the same form. FIG. 6 is a rear view of the connector of the same form. 7 is a cross-sectional view taken along the line AA in FIG. 6. FIG. FIG. 8 is a front view showing part of the retainer of the same form. 9 is a cross-sectional view taken along the line BB in FIG. 8. FIG. 10 is an enlarged view of a main part in the cross-sectional view of FIG. 9. FIG. FIG. 11 is a perspective view showing a first terminal holding portion and first terminals in the connector of the same configuration. FIG. 12 is a perspective view showing a second terminal holding portion and second terminals in the connector of the same configuration. FIG. 13 is an exploded perspective view of terminals, electric wires, a temperature sensor and a holder in the connector of the same configuration. FIG. 14 is a side view of a temperature sensor and a holder attached to electric wires in the connector of the same configuration. 15 is a cross-sectional view taken along the line CC in FIG. 14. FIG. FIG. 16 is an exploded perspective view of a holder in the connector of the same configuration.

[Description of Embodiments of the Present Disclosure]
First, the embodiments of the present disclosure are listed and described.
The connector of the present disclosure is
[1] A temperature sensor comprising a housing, a terminal housed in the housing, an electric wire electrically connected to the terminal, a sensor main body attached to the surface of the electric wire, and a lead wire extending from the sensor main body. a sensor; and a holder having an enclosing portion that collectively covers the electric wire and the sensor body, the housing having an insertion hole through which the electric wire is inserted, and the enclosing portion being inserted into the insertion hole. The surrounding portion is interposed between the inner peripheral surface of the insertion hole and the electric wire, and between the inner peripheral surface of the insertion hole and the sensor main body.

According to this configuration, if there is a design change in the diameter of the wire, it is possible to change the shape of the holder by changing the radial thickness of the enclosing portion while keeping the shape of the insertion hole of the housing as it is. . Therefore, even if there is a design change in wire diameter, it is possible to eliminate the need to change the shape of the housing. Since the holder can be configured to be smaller in size than the housing, it is possible to suppress an increase in cost by changing the molding die of the holder compared to changing the molding die on the housing side. .

[2] The surrounding portion is provided inside the insertion hole so as to press the sensor main body against the surface of the electric wire.
According to this configuration, since the sensor body is pressed against the surface of the wire by the surrounding portion, a gap is less likely to occur between the sensor body and the surface of the wire. This makes it possible to improve the accuracy of the temperature detection of the electric wire by the sensor main body.

[3] The surrounding part has a first divided body and a second divided body. It sandwiches the electric wire and the sensor main body. According to this configuration, by sandwiching the electric wire and the sensor main body between the first divided body and the second divided body, the sensor main body can be pressed against the surface of the electric wire.

[4] The first divided body has a first locking portion, the second divided body has a second locking portion, and the first locking portion engages the second locking portion. By stopping, the first split body and the second split body are assembled with each other.

According to this configuration, in a state in which the wires and the sensor main body are collectively covered by the first divided body and the second divided body, the first divided body and the second divided body are separated by the first locking portion and the second locking portion. It becomes possible to assemble the divided bodies with each other.

[5] The enclosing part is configured to be able to change the distance between the first split body and the second split body in a state where it is not inserted into the insertion hole.
According to this configuration, the distance between the first divided body and the second divided body is set so that the distance between the first divided body and the second divided body is larger than the sum of the diameter of the electric wire and the thickness of the sensor main body before the enclosing part is assembled in the insertion hole. It is possible to have As a result, the first divided body, the second divided body, and the temperature sensor assembled to the electric wire can be easily moved in the length direction of the electric wire. Further, in a state where the enclosing part is assembled in the insertion hole, the first divided body and the second divided body are brought closer to each other, so that the electric wire and the sensor main body are sandwiched between the first divided body and the second divided body, It becomes possible to press the sensor main body against the surface of the electric wire.

[6] The enclosing part has a holding part that holds the sensor main body, and the holding part prevents the sensor main body from coming off from the enclosing part when the enclosing part is not inserted into the insertion hole. Holds like

According to this configuration, the holder can be attached to the electric wire while the sensor main body is held by the holding portion of the enclosing portion. This makes it possible to improve the workability of assembling the temperature sensor and the holder.

[7] The enclosing part has a first divided body and a second divided body, and the first divided body and the second divided body are arranged in a direction in which the electric wire and the sensor main body overlap, The electric wire and the sensor main body are sandwiched between the first divided body and the holding portion. The sensor body maintains the state in which it is attached to the first divided body.

According to this configuration, it is possible to assemble the first divided body and the second divided body to the wires while the sensor main body is held by the holding portion of the first divided body. As a result, it is possible to improve the assembling workability of the temperature sensor, the first divided body, and the second divided body.

[8] A plurality of the electric wires are provided, a plurality of the temperature sensors are provided corresponding to the plurality of electric wires, a plurality of the insertion holes are provided respectively corresponding to the plurality of electric wires, and the enclosing portion are provided corresponding to the plurality of electric wires and the plurality of temperature sensors, and the holder has a connecting portion that connects the plurality of surrounding portions to each other.

According to this configuration, since the plurality of surrounding portions are connected to each other by the connecting portion, it is possible to reduce the number of parts compared to the case where each of the plurality of surrounding portions is made an individual part.

[9] The enclosing portion has a third engaging portion, the insertion hole has a fourth engaging portion, and the third engaging portion is arranged in a direction in which the enclosing portion comes out of the insertion hole. , and the fourth locking portion.

According to this configuration, it is possible to prevent the enclosing part from slipping out of the insertion hole due to the engagement between the third engaging part and the fourth engaging part. In addition, since the enclosing part can be retained by the third locking part of the enclosing part, it is not necessary to retain the enclosing part with a retainer member separate from the holder, and it is possible to suppress an increase in the number of parts. becomes.

[10] The connector includes a first seal member interposed between the electric wire and the insertion hole, the terminal has a first connecting portion to which the electric wire is connected, and the first seal A member is provided between the first connection portion and the holder, the terminal has a fixing portion for fixing the first seal member to the outer peripheral surface of the electric wire, and the first seal member A member is provided at a distance from the holder.

According to this configuration, since the first sealing member is fixed to the outer peripheral surface of the electric wire by the fixing portion of the terminal, there is no need for a separate member for pressing and fixing the first sealing member from the rear side. As a result, it becomes possible to suppress an increase in the number of parts. Note that the holder is provided apart from the first seal member, and the holder is not a member for fixing the first seal member.

[11] The connector includes a second sealing member that covers a portion of the electric wire connected to the first connecting portion.
According to this configuration, it is possible to prevent the first connection portion from being exposed to water by the second seal member that covers the first connection portion. Moreover, according to this configuration, it is not necessary to provide a rubber plug or the like on the front side of the first connection portion of the terminal, so it is possible to suppress an increase in the number of parts.

[12] The housing has a housing body and a holding member attached to the housing body, and the holding member has a terminal holding portion for holding the terminal and the insertion hole. ing. With this configuration, the terminals can be held by the holding member attached to the housing body.

[13] The terminal is provided between a first connection portion to which the electric wire is connected, a second connection portion to be connected to a mating terminal, and between the first connection portion and the second connection portion. and a fifth locking portion that engages with the terminal holding portion, and the terminal holding portion has a sixth locking portion that locks to the fifth locking portion. According to this configuration, the terminal can be stably held on the holding member by the sixth engaging portion of the holding member.

[14] The terminal can be attached to the insertion hole from the rear side to the front side of the holding member.
According to this configuration, after attaching the terminal to the electric wire, the terminal with the electric wire can be attached to the holding member from the rear side. Therefore, it is not necessary to assemble the electric wire and the terminal while the electric wire is passed through the holding member, and the assembling work can be improved.

[15] The sixth locking portion includes a rear side locking portion that restricts movement of the terminal to the rear side of the holding member, and a front side locking portion that restricts movement of the terminal to the front side of the holding member. and a locking portion.

According to this configuration, it is possible to restrict the movement of the terminal to the rear side and the front side of the holding member by the rear side locking portion and the front side locking portion. As a result, the terminal can be more stably held by the holding member.

[16] The fifth locking portion is formed in the shape of a flange protruding from the terminal, and the rear side locking portion is capable of contacting a rear side surface of the fifth locking portion. The locking portion is capable of contacting the front side surface of the fifth locking portion. According to this configuration, the movement of the terminal toward the rear side and the front side of the holding member can be restricted by the locking of the rear side locking portion, the front side locking portion, and the flange-shaped fifth locking portion. It becomes possible.

[Details of the embodiment of the present disclosure]
A specific example of the connector of the present disclosure will be described below with reference to the drawings. In each drawing, part of the configuration may be exaggerated or simplified for convenience of explanation. Also, the dimensional ratio of each part may differ in each drawing. In addition, the term “perpendicular” in the present specification includes not only strictly orthogonal cases, but also approximately orthogonal cases within the range in which the actions and effects of the present embodiment are achieved.

It should be noted that the “cylindrical” used in the description of this specification is not limited to those in which a peripheral wall is continuously formed over the entire circumferential direction, but also those in which a plurality of parts are combined to form a tubular shape, a C-shaped It also includes those having a notch or the like in a part of the circumferential direction like a shape. "Cylindrical" shapes also include circles, ovals, and polygons with pointed or rounded corners. Also, as used in the description herein, the term "annular" refers to any structure forming a loop or continuous shape without ends, as well as generally loop shapes with gaps, such as C-shapes. Sometimes refers to the structure of It should be noted that "annular" shapes include, but are not limited to, circles, ovals, and polygons with pointed or rounded corners.

In addition, the term “opposing” in this specification means that the surfaces or members are in front of each other, and not only when they are completely in front of each other, including when in In addition, the term "opposing" in this specification means both the case where a member different from the two parts is interposed between the two parts and the case where nothing is interposed between the two parts. including.

A vehicle 10 shown in FIG. 1 is, for example, an electric vehicle or a plug-in hybrid vehicle. Vehicle 10 includes a charging inlet 11 , a charger 12 , a battery 13 and a power control unit 14 .

The charging inlet 11 can be connected to an external connector connected to an external power supply (not shown). Charger 12 is connected to charging inlet 11 and battery 13 . The charger 12 , for example, converts AC power supplied from the charging inlet 11 into DC power and supplies the DC power to the battery 13 . The battery 13 is, for example, a secondary battery such as a lithium ion battery. Power control unit 14 includes an inverter and a converter. The power control unit 14 controls, for example, a motor generator (not shown) for driving the wheels.

(Configuration of connector 20)
Charging inlet 11 includes connector 20 shown in FIGS. The connector 20 includes a housing 21 , a terminal group 22 housed in the housing 21 , and electric wires 23 electrically connected to each terminal of the terminal group 22 . 6, the connector 20 includes a temperature sensor 24 in contact with the electric wire 23 and a holder 25 holding the temperature sensor 24. As shown in FIG.

As shown in FIG. 2 , the housing 21 has a housing body 26 and a retainer 27 attached to the housing body 26 .
As shown in FIG. 5, the housing body 26 has an opening 26a. The retainer 27 is fixed to the housing body 26 so as to close the opening 26a. In the following description, the side of the retainer 27 facing the housing body 26 is the front side, and the opposite side is the rear side.

The housing body 26 has an attachment portion 26b attached to the vehicle body of the vehicle 10. Further, the housing main body 26 has a drainage portion 26c. The drain portion 26c communicates the inside of the housing body 26 with the outside of the housing body 26 . The water that has entered the interior of the housing body 26 is discharged to the outside of the housing body 26 through the drainage portion 26c.

The terminal group 22 has a plurality of terminals. A plurality of electric wires 23 are provided corresponding to the plurality of terminals of the terminal group 22, respectively. Terminal group 22 includes a plurality of first terminals 22A, a plurality of second terminals 22B, and a third terminal 22C. As shown in FIG. 15, the electric wire 23 includes a core wire 23a and an insulating coating 23b covering the core wire 23a. The core wire 23a is, for example, a twisted wire formed by twisting a plurality of strands.

As shown in FIGS. 3 and 5, two first terminals 22A are provided, for example. The first terminal 22A is, for example, a terminal compatible with a high-voltage power supply. 22 A of 1st terminals are comprised by the diameter thicker than the 2nd terminal 22B. One of the two first terminals 22A is a plus side terminal and the other is a minus side terminal. When the external connector is connected to charging inlet 11, each first terminal 22A is electrically connected to the external power supply. A current is supplied from the external power source to the first terminal 22A.

For example, two second terminals 22B are provided. The second terminal 22B is a terminal for signal lines. For example, one third terminal 22C is provided. The third terminal 22C is a ground wire terminal.

(Configuration of first terminal 22A)
As shown in FIG. 7 , the first terminal 22A has a metal portion 31 formed by bending a metal plate and a resin portion 32 integrally provided with the metal portion 31 . The resin portion 32 is formed, for example, by insert molding using the metal portion 31 as an insert.

The first terminal 22A has a first connection portion 33, a second connection portion 34, and a first terminal side locking portion 35. The first connection portion 33 and the second connection portion 34 are provided on the metal portion 31 . The electric wire 23 is connected to the first connection portion 33 . The first connecting portion 33 is connected to the electric wire 23 by, for example, crimping by caulking or ultrasonic welding.

The second connection portion 34 is connected to the mating terminal T1. The mating terminal T1 is, for example, a terminal of the external connector. By connecting the external connector to charging inlet 11 , mating terminal T<b>1 is connected to second connection portion 34 . The metal portion 31 of the second connection portion 34 is formed, for example, in a hollow rod shape by bending a metal plate.

The first terminal 22A has a fixing portion 36, for example. The fixing portion 36 is provided on the metal portion 31, for example. The fixing portion 36 fixes a first seal member 64 a described later to the outer peripheral surface of the electric wire 23 connected to the first connection portion 33 . For example, the second connecting portion 34 is provided on one end side of the first terminal 22A, and the fixing portion 36 is provided on the other end side of the first terminal 22A. In the following description, in the first terminal 22A, the second connecting portion 34 side is defined as the distal end side, and the fixing portion 36 side is defined as the proximal end side. The first connection portion 33 is provided between the second connection portion 34 and the fixed portion 36 .

The first terminal side locking portion 35 is provided on the resin portion 32 . The first terminal-side locking portion 35 is provided, for example, adjacent to the base end portion of the second connection portion 34 . The first terminal-side locking portion 35 has, for example, a flange shape that protrudes outward from the outer peripheral surface of the second connection portion 34 . The first terminal side locking portion 35 is located between the first connection portion 33 and the second connection portion 34 .

The resin portion 32 has a tip protection portion 37, for example. The tip protection portion 37 suppresses external contact with the tip portion of the second connection portion 34 . In the resin portion 32 , the tip protection portion 37 and the first terminal side locking portion 35 are integrally connected through the inside of the metal portion 31 in the second connection portion 34 .

(Configuration of second terminal 22B)
As shown in FIGS. 9 and 12, the second terminal 22B has a metal portion 41 formed by bending a metal plate. As shown in FIG. 9 , the second terminal 22B has a first connection portion 43 and a second connection portion 44 . The first connection portion 43 and the second connection portion 44 are provided on the metal portion 41 . The electric wire 23 is connected to the first connection portion 43 . The first connecting portion 43 is connected to the electric wire 23 by crimping by crimping, ultrasonic welding, or the like, for example.

The second connection portion 44 is connected to the mating terminal T2. The mating terminal T2 is, for example, a terminal of the external connector. By connecting the external connector to charging inlet 11 , mating terminal T<b>2 is connected to second connection portion 44 . The second connecting portion 44 is formed, for example, in a hollow rod shape by bending a metal plate.

　As shown in FIGS. 9 and 10, the second terminal 22B has a fixing part 46, for example. The fixing portion 46 is provided on the metal portion 41 . The fixing portion 46 fixes a first seal member 64 b described later to the outer peripheral surface of the electric wire 23 connected to the first connection portion 43 . For example, the second connection portion 44 is provided on one end side of the second terminal 22B, and the fixing portion 46 is provided on the other end side of the second terminal 22B. In the following description, in the second terminal 22B, the second connecting portion 44 side is defined as the distal end side, and the fixing portion 46 side is defined as the proximal end side. The first connection portion 43 is provided between the second connection portion 44 and the fixed portion 46 .

As shown in FIG. 10, the second terminal 22B has a projecting wall 47, for example. The projecting wall 47 is provided between the first connecting portion 43 and the second connecting portion 44 in the metal portion 41 . The protruding wall 47 protrudes, for example, in a direction perpendicular to the length direction of the second connecting portion 44 . Also, in the second terminal 22B, for example, two projecting walls 47 are provided so as to face each other. The second terminal 22B has a second terminal side locking portion 45 . The second terminal side locking portion 45 is provided on each projecting wall 47 . The second terminal-side locking portion 45 is, for example, a hole passing through the projecting wall 47 .

The third terminal 22C is connected to a mating terminal of the external connector, for example. By connecting the external connector to charging inlet 11, the mating terminal is connected to third terminal 22C.

(Configuration of retainer 27)
As shown in FIG. 8, the retainer 27 has a base portion 50, a first terminal holding portion 51 holding the first terminals 22A, and a second terminal holding portion 52 holding the second terminals 22B. . The base 50 closes the opening 26a of the housing body 26 shown in FIG. As shown in FIG. 8 , each of the first terminal holding portion 51 and the second terminal holding portion 52 extends forward from the retainer 27 . A plurality of first terminal holding portions 51 are provided corresponding to the plurality of first terminals 22A, respectively. A plurality of second terminal holding portions 52 are provided corresponding to each of the plurality of second terminals 22B. Moreover, as shown in FIGS. 11 and 12, the first terminal holding portion 51 and the second terminal holding portion 52 are, for example, cylindrical.

As shown in FIG. 5, the retainer 27 has an insertion hole 53 through which the electric wire 23 is inserted. A plurality of insertion holes 53 are provided corresponding to the plurality of electric wires 23 respectively. Some insertion holes 53 are connected to each first terminal holding portion 51 . Also, some of the insertion holes 53 are connected to the respective second terminal holding portions 52 . In addition, the retainer 27 has a plurality of cylindrical portions 54 extending from the base portion 50 to the rear side of the retainer 27 . Each tubular portion 54 is provided on the rear side of the first terminal holding portion 51 and the second terminal holding portion 52 . The insertion hole 53 is a hollow portion of the tubular portion 54 . The insertion hole 53 extends from the rear side to the front side of the base portion 50 and is formed from the cylindrical portion 54 to the first terminal holding portion 51 . The insertion hole 53 extends from the rear side to the front side of the base portion 50 and is formed from the cylindrical portion 54 to the second terminal holding portion 52 .

(Configuration of first terminal holding portion 51)
As shown in FIG. 7 , the first terminal holding portion 51 has a first retainer side locking portion 55 . Each first retainer-side locking portion 55 includes a rear-side locking portion 56 that locks to the first terminal-side locking portion 35 and a front-side locking portion 57 that locks to the first terminal-side locking portion 35 . including.

The rear locking portion 56 can contact the rear side surface of the first terminal locking portion 35 . Thereby, the rear locking portion 56 can restrict the movement of the first terminal 22</b>A to the rear side of the retainer 27 . Further, the rear locking portion 56 can bend in the radial direction of the first terminal holding portion 51 . The front locking portion 57 can contact the front side surface of the first terminal locking portion 35 . Thereby, the front locking portion 57 can restrict the forward movement of the first terminal 22</b>A of the retainer 27 . The first terminal side locking portion 35 is sandwiched between the rear side locking portion 56 and the front side locking portion 57 in the length direction of the second connection portion 34 .

The first terminal holding portion 51 has a guide portion 58 on the rear side of the rear locking portion 56 . The guide portion 58 is, for example, an inclined surface that is displaced to the inner diameter side of the first terminal holding portion 51 toward the front side of the retainer 27 . The guide portion 58 guides the first terminal side locking portion 35 to the rear side locking portion 56 when the first terminal 22A is inserted from the insertion hole 53 into the first terminal holding portion 51 .

Before the retainer 27 is attached to the housing main body 26, the first terminals 22A are attached to the insertion holes 53 and the first terminal holding portions 51 from the rear side to the front side of the retainer 27. As shown in FIG. When the first terminal 22A is inserted into the first terminal holding portion 51, the first terminal side locking portion 35 contacts the guide portion 58, so that the rear side locking portion 56 is bent radially outward. .

As shown in FIGS. 8 and 11, a plurality of rear side locking portions 56 are provided, for example. Three rear side locking portions 56 are provided in this embodiment. The number of the front locking portions 57 is the same as that of the rear locking portions 56, for example. That is, three front side locking portions 57 are provided in this embodiment. The plurality of rear locking portions 56 are provided at regular intervals in the circumferential direction of the first terminal holding portion 51 . In the circumferential direction of the first terminal holding portion 51 , the plurality of front locking portions 57 are provided at positions opposite to the plurality of rear locking portions 56 by 180 degrees.

As shown in FIG. 7, the housing body 26 has a fitting portion 26d into which the first terminal holding portion 51 is fitted. The fitting portion 26 d is in contact with the rear surface of the rear locking portion 56 . The rear surface of the rear locking portion 56 is a side surface of the rear locking portion 56 opposite to the side facing the first terminal 22A. The fitting portion 26d restricts movement of the rear locking portion 56 in the direction in which the rear locking portion 56 separates from the first terminal 22A. That is, the fitting portion 26 d maintains the state in which the rear side locking portion 56 is locked to the first terminal side locking portion 35 .

(Configuration of second terminal holding portion 52)
As shown in FIGS. 8 and 10 , the second terminal holding portion 52 has elastic pieces 61 and second retainer-side locking portions 62 . The elastic pieces 61 correspond to the projecting walls 47 of the second terminals 22B, respectively, and are provided in the same number as the projecting walls 47 . That is, there are two elastic pieces 61 in this embodiment. The two elastic pieces 61 are provided, for example, at positions facing each other. Also, the two elastic pieces 61 have, for example, the same shape. The elastic piece 61 faces the projecting wall 47 . In addition, the elastic piece 61 can be bent in the direction of contacting and separating from the projecting wall 47 .

As shown in FIG. 10 , the second retainer-side locking portion 62 is provided on the elastic piece 61 . The second retainer-side locking portion 62 is a convex portion that protrudes from the elastic piece 61 . The second retainer side locking portion 62 is inserted into the second terminal side locking portion 45 which is a hole formed in the projecting wall 47 . That is, the second retainer side locking portion 62 is locked to the second terminal side locking portion 45 . Thereby, the second retainer-side locking portion 62 can restrict the movement of the second terminal 22</b>B toward the front side and the rear side of the retainer 27 .

The elastic piece 61 has a guide portion 63 on the rear side of the second retainer side locking portion 62 . The guide portion 63 is, for example, an inclined surface that is displaced to the inner diameter side of the second terminal holding portion 52 toward the front side of the retainer 27 . The guide portion 63 guides the second terminal side locking portion 45 to the second retainer side locking portion 62 when the second terminal 22B is inserted from the insertion hole 53 into the second terminal holding portion 52 .

Before the retainer 27 is attached to the housing body 26, the second terminals 22B are attached to the insertion holes 53 and the second terminal holding portions 52 from the rear side to the front side of the retainer 27. As shown in FIG. When the second terminal 22</b>B is inserted into the second terminal holding portion 52 , the second terminal-side locking portion 45 contacts the guide portion 63 , so that the elastic piece 61 bends away from the projecting wall 47 . .

The housing body 26 has a fitting portion 26e into which the second terminal holding portion 52 is fitted. The fitting portion 26 e is in contact with the rear surface of each elastic piece 61 . The back surface of the elastic piece 61 is the side surface of the elastic piece 61 opposite to the side facing the second terminal 22B. The fitting portion 26e restricts the movement of the elastic piece 61 in the direction away from the second terminal 22B. That is, the fitting portion 26 e maintains the state in which the second retainer side locking portion 62 is locked to the second terminal side locking portion 45 .

(Structure of first sealing members 64a and 64b)
The connector 20 includes first seal members 64 a and 64 b interposed between the wire 23 and the insertion hole 53 .

As shown in FIG. 7, the first sealing member 64a is provided in the insertion hole 53 connected to the first terminal holding portion 51. As shown in FIG. The first sealing member 64a is, for example, a rubber plug. The first seal member 64 a is provided closer to the proximal end than the first connecting portion 33 . The first seal member 64 a is, for example, annular and attached to the surface of the electric wire 23 . The outer peripheral surface of the first seal member 64 a is in close contact with the inner peripheral surface of the insertion hole 53 . The first seal member 64 a prevents water from entering the insertion hole 53 and the first terminal holding portion 51 from the rear side of the retainer 27 . The fixing portion 36 of the first terminal 22A fixes the first sealing member 64a to the surface of the wire 23. As shown in FIG. The fixed portion 36 sandwiches a portion of the first seal member 64 a with the surface of the electric wire 23 , for example.

As shown in FIG. 9, the first sealing member 64b is provided in the insertion hole 53 connected to the second terminal holding portion 52. As shown in FIG. The first sealing member 64b is, for example, a rubber plug. The first seal member 64b is provided closer to the proximal end than the first connection portion 43 is. The first seal member 64b has, for example, a ring shape and is attached to the surface of the electric wire 23 . The outer peripheral surface of the first seal member 64 b is in close contact with the inner peripheral surface of the insertion hole 53 . The first seal member 64 b prevents water from entering the insertion hole 53 and the second terminal holding portion 52 from the rear side of the retainer 27 . The fixing portion 46 of the second terminal 22B fixes the first sealing member 64b to the surface of the wire 23. As shown in FIG. The fixed portion 46 sandwiches a portion of the first seal member 64b with the surface of the electric wire 23, for example.

(Configuration of second seal members 65a and 65b)
The connector 20 includes, for example, second seal members 65a and 65b. As shown in FIG. 7, the second sealing member 65a covers the portion of the electric wire 23 connected to the first connecting portion 33 of the first terminal 22A. As shown in FIG. 10, the second sealing member 65b covers the portion of the electric wire 23 connected to the first connecting portion 43 of the second terminal 22B.

In the electric wire 23, the end of the core wire 23a is exposed from the insulating coating 23b. An end portion of the core wire 23 a is connected to the first connection portion 33 . The second sealing members 65a and 65b cover the ends of the core wire 23a. The second seal members 65a and 65b are made of silicone resin, for example, and are provided at the ends of the core wire 23a by dripping or coating. The second sealing members 65a and 65b water-stop the ends of the core wire 23a. That is, the second sealing members 65a and 65b are inserted between the plurality of strands at the ends of the core wire 23a.

(Configuration of temperature sensor 24)
As shown in FIG. 7, the temperature sensor 24 has a sensor body 24a and lead wires 24b extending from the sensor body 24a. The sensor main body 24a is attached to the surface of the electric wire 23 connected to the first terminal 22A. For example, a plurality of temperature sensors 24 are provided corresponding to the plurality of first terminals 22A. That is, there are two temperature sensors 24 in this embodiment.

As the temperature sensor 24, for example, an NTC thermistor, a PTC thermistor, a PT sensor, or the like can be used. The sensor main body 24a is configured such that a sensor element (not shown) connected to the lead wire 24b is accommodated in, for example, a resin housing. The sensor main body 24a has, for example, a substantially rectangular parallelepiped shape. The sensor element outputs a signal corresponding to temperature change via the lead wire 24b. The lead wire 24b is electrically connected to a control section (not shown) that controls charging of the battery 13 based on the signal from the sensor element.

(Configuration of holder 25)
The holder 25 is attached to the retainer 27 . The holder 25 holds the sensor main body 24 a in contact with the electric wire 23 .

The holder 25 has an enclosing portion 71 that holds the sensor main body 24a. For example, a plurality of surrounding portions 71 are provided corresponding to each of the plurality of first terminals 22A. That is, there are two surrounding portions 71 in this embodiment. Moreover, the holder 25 has, for example, a connecting portion 72 that connects the plurality of surrounding portions 71 to each other. The holder 25 is, for example, an injection molded product made of synthetic resin.

As shown in FIG. 7, the enclosing part 71 collectively covers the electric wire 23 and the sensor main body 24a in contact with the surface of the electric wire 23. The enclosing portion 71 is inserted into the insertion hole 53 connected to the first terminal holding portion 51 . A portion of the surrounding portion 71 in the circumferential direction is interposed between the inner peripheral surface of the insertion hole 53 and the sensor main body 24a. A part of the surrounding portion 71 in the circumferential direction is interposed between the inner peripheral surface of the insertion hole 53 and the electric wire 23 . In addition, the enclosing part 71 is provided apart from the first sealing member 64a in the length direction of the electric wire 23 .

As shown in FIGS. 13 and 14, the enclosing part 71 has a first split body 73 and a second split body 74. As shown in FIGS. The first divided body 73 and the second divided body 74 sandwich the electric wire 23 and the sensor main body 24a in the direction in which the electric wire 23 and the sensor main body 24a overlap.

The first split body 73 has a first locking portion 75 . Each of the plurality of first divided bodies 73 has, for example, a pair of first locking portions 75 . The second split body 74 has a second locking portion 76 . Each of the plurality of second split bodies 74 has, for example, a pair of second locking portions 76 . By engaging the first engaging portion 75 with the second engaging portion 76, the first divided body 73 and the second divided body 74 are assembled with each other. Further, when the first divided body 73 and the second divided body 74 are assembled together, the first divided body 73 and the second divided body 74 collectively cover the electric wire 23 and the sensor main body 24a.

As shown in FIGS. 14 and 15, the enclosing part 71 is configured such that the distance between the first split body 73 and the second split body 74 can be changed in a state where it is not inserted into the insertion hole 53. . Specifically, a gap S is set between the first locking portion 75 and the second locking portion 76 when the first divided body 73 and the second divided body 74 are in contact with each other. The distance between the first divided body 73 and the second divided body 74 can be changed by the dimension of the gap S.

The enclosing part 71 has, for example, a sensor holding part 81 that holds the sensor main body 24a. The sensor holding portion 81 is formed in the first divided body 73, for example. The sensor holding portion 81 holds the state in which the sensor main body 24 a is attached to the first split body 73 when the first split body 73 is not attached to the second split body 74 . The sensor holding portion 81 has, for example, a pair of claw portions 82 capable of supporting the lower surface of the sensor main body 24a. In a state in which the first divided body 73 is not assembled to the second divided body 74 , each claw portion 82 prevents the sensor main body 24 a from falling off from the first divided body 73 . As shown in FIGS. 15 and 16, the second divided body 74 has, for example, a press contact protrusion 74a. The press-contact convex portion 74 a is provided at a position facing the sensor holding portion 81 of the first divided body 73 . The press-contact convex portion 74 a is press-contacted with the insulating coating 23 b of the electric wire 23 .

As shown in FIG. 16 , the connecting portion 72 has a first split connecting portion 83 and a second split connecting portion 84 . The first split connecting portion 83 connects the pair of first split bodies 73 to each other. Each of the first split bodies 73 and the first split connecting portions 83 is composed of, for example, one component. The second split connecting portion 84 connects the pair of second split bodies 74 to each other. Each of the second split bodies 74 and the second split connecting portions 84 is composed of, for example, one component.

The first split connecting portion 83 has a positioning convex portion 83a. The positioning convex portion 83a is fitted into the positioning concave portion 84a of the second split connecting portion 84. As shown in FIG. In addition, the second split connecting portion 84 has a positioning convex portion 84b. The positioning convex portion 84b is fitted into the positioning concave portion 83b of the first split connecting portion 83. As shown in FIG.

As shown in FIG. 13, the first split connecting portion 83 has a first wire holding portion 83c. The second split connecting portion 84 has a second wire holding portion 84c. The first wire holding portion 83c and the second wire holding portion 84c face each other. As shown in FIG. 6, the first wire holding portion 83c and the second wire holding portion 84c surround the wire 23 connected to the third terminal 22C. Thereby, the first wire holding portion 83c and the second wire holding portion 84c hold the wire 23 connected to the third terminal 22C.

As shown in FIG. 7, the surrounding portion 71 is inserted into the insertion hole 53. The surrounding portion 71 has a third locking portion 85 . The third locking portion 85 is, for example, a convex portion that protrudes from the outer peripheral surface of the surrounding portion 71 . The third locking portion 85 is provided, for example, on each of the first divided body 73 and the second divided body 74 . On the other hand, the insertion hole 53 has a fourth locking portion 53a. A plurality of fourth locking portions 53 a are provided corresponding to each of the third locking portions 85 of the first divided body 73 and the third locking portions 85 of the second divided body 74 . The fourth locking portion 53a is, for example, a concave portion into which the third locking portion 85, which is a convex portion, is inserted. Each third locking portion 85 can be locked to each fourth locking portion 53 a in the direction in which the surrounding portion 71 is removed from the insertion hole 53 .

A description will be given of how the connector 20 of this embodiment is assembled and how it works.
First, the electric wire 23 is connected to the terminal group 22 including the first terminal 22A, the second terminal 22B and the third terminal 22C. At this time, the electric wire 23 is attached with the first sealing members 64a and 64b. In the first terminal 22A, the end portion of the core wire 23a of the electric wire 23 is crimped to the first connecting portion 33, for example. Also, the first connecting portion 33 is provided with a second sealing member 65a for water stoppage between the electric wires 23, for example. Also, the first seal member 64a is fixed to the wire 23 by crimping the fixing portion 36 . In the second terminal 22B, the end portion of the core wire 23a of the electric wire 23 is crimped to the first connection portion 43, for example. Further, the first connecting portion 43 is provided with a water stoppage between the electric wires 23 by the second sealing member 65b, for example. Also, the first seal member 64b is fixed to the electric wire 23 by crimping the fixing portion 46 .

Next, the first terminal 22A, the second terminal 22B and the third terminal 22C are assembled to the retainer 27. At this time, each of the first terminal 22A and the second terminal 22B is inserted into the insertion hole 53 from the rear side of the retainer 27 toward the front side. Thereby, the first terminal 22A is attached to the first terminal holding portion 51, and the second terminal 22B is attached to the second terminal holding portion 52. As shown in FIG.

Next, the holder 25 and the temperature sensor 24 are assembled to the electric wire 23 . Here, first, the sensor main body 24a is assembled to the sensor holding portion 81 of the first divided body 73. As shown in FIG. Next, the first divided body 73 and the second divided body 74 are assembled together while sandwiching the electric wire 23 connected to the first terminal 22A. In this state, the distance between the first split body 73 and the second split body 74 can be changed.

Next, the holder 25 and the temperature sensor 24 attached to the wire 23 are attached to the retainer 27 . At this time, the enclosing portion 71 and the sensor main body 24a held inside the enclosing portion 71 are moved along the electric wire 23 toward the insertion hole 53 side. By providing a sufficient distance between the first divided body 73 and the second divided body 74, the surrounding portion 71 and the sensor main body 24a can be easily moved. Moreover, at this time, since the holder 25 and the temperature sensor 24 are moved integrally, it is possible to prevent the lead wire 24b from being caught between the holder 25 and the electric wire 23 . Then, the enclosing portion 71 is inserted into the insertion hole 53 , and the third engaging portion 85 of the enclosing portion 71 is engaged with the fourth engaging portion 53 a of the insertion hole 53 . When the enclosing portion 71 is inserted into the insertion hole 53, the outer peripheral surface of the enclosing portion 71 and the inner peripheral surface of the insertion hole 53 are in contact with each other. come into contact with each other. The wire 23 and the sensor main body 24a are sandwiched between the first divided body 73 and the second divided body 74. As shown in FIG. As a result, the sensor main body 24 a is pressed against the surface of the electric wire 23 .

Next, the retainer 27 is assembled to the housing body 26. At this time, the first terminal holding portion 51 is fitted into the fitting portion 26 d of the housing body 26 , and the second terminal holding portion 52 is fitted into the fitting portion 26 e of the housing body 26 .

Effects of the present embodiment will be described.
(1) The surrounding portion 71 of the holder 25 is interposed between the inner peripheral surface of the insertion hole 53 and the wire 23 and between the inner peripheral surface of the insertion hole 53 and the sensor body 24a. According to this configuration, when there is a design change in the diameter of the wire 23, the shape of the holder 25 side such as changing the radial thickness of the surrounding portion 71 is changed while the shape of the insertion hole 53 of the housing 21 remains unchanged. It can be dealt with by modification. Therefore, even if there is a design change in the diameter of the wire 23, it is possible to eliminate the need to change the shape of the housing 21 side. Since the holder 25 can be configured to be smaller in size than the housing 21, changing the molding die for the holder 25 suppresses an increase in cost compared to changing the molding die for the housing 21 side. becomes possible.

(2) The enclosing part 71 is provided inside the insertion hole 53 so as to press the sensor main body 24a against the surface of the electric wire 23 . With this configuration, the sensor main body 24a is pressed against the surface of the electric wire 23 by the enclosing portion 71, so that a gap is less likely to occur between the sensor main body 24a and the surface of the electric wire 23. FIG. This makes it possible to improve the accuracy of temperature detection of the electric wire 23 by the sensor main body 24a.

(3) The enclosing part 71 has a first divided body 73 and a second divided body 74 . The first divided body 73 and the second divided body 74 sandwich the electric wire 23 and the sensor main body 24a in the direction in which the electric wire 23 and the sensor main body 24a overlap. According to this configuration, the wire 23 and the sensor main body 24 a are sandwiched between the first split body 73 and the second split body 74 , so that the sensor main body 24 a can be pressed against the surface of the wire 23 .

(4) The first split body 73 has a first locking portion 75 . The second split body 74 has a second locking portion 76 . By engaging the first engaging portion 75 with the second engaging portion 76, the first divided body 73 and the second divided body 74 are assembled with each other. According to this configuration, in a state in which the electric wire 23 and the sensor main body 24a are collectively covered by the first divided body 73 and the second divided body 74, the first engaging portion 75 and the second engaging portion 76 engage the first engaging portion 75 and the second engaging portion 76, respectively. It becomes possible to assemble the first split body 73 and the second split body 74 together.

(5) The enclosing part 71 is configured so that the distance between the first split body 73 and the second split body 74 can be changed in a state where it is not inserted into the insertion hole 53 . According to this configuration, the distance between the first divided body 73 and the second divided body 74 is the sum of the diameter of the electric wire 23 and the thickness of the sensor main body 24a before the surrounding portion 71 is assembled into the insertion hole 53. It is possible to have a margin for the dimensions. As a result, the first divided body 73 , the second divided body 74 and the temperature sensor 24 assembled to the electric wire 23 are easily moved in the length direction of the electric wire 23 . Further, in a state where the surrounding portion 71 is assembled in the insertion hole 53 , the first divided body 73 and the second divided body 74 are brought closer to each other, so that the electric wire 23 is formed by the first divided body 73 and the second divided body 74 . And it becomes possible to press the sensor body 24a against the surface of the electric wire 23 by sandwiching the sensor body 24a.

(6) The enclosing part 71 has a sensor holding part 81 that holds the sensor main body 24a. The sensor holding portion 81 holds the sensor main body 24 a so as not to come off from the enclosing portion 71 when the enclosing portion 71 is not inserted into the insertion hole 53 . According to this configuration, the holder 25 can be attached to the wire 23 while the sensor main body 24 a is held by the sensor holding portion 81 of the enclosing portion 71 . This makes it possible to improve the assembling workability of the temperature sensor 24 and the holder 25 .

(7) The sensor holding portion 81 is formed on the first divided body 73 . The sensor holding portion 81 holds the state in which the sensor main body 24 a is attached to the first split body 73 when the first split body 73 is not attached to the second split body 74 . According to this configuration, it is possible to assemble the first divided body 73 and the second divided body 74 to the electric wire 23 while the sensor main body 24 a is held by the sensor holding portion 81 of the first divided body 73 . . This makes it possible to improve the assembling workability of the temperature sensor 24 , the first divided body 73 and the second divided body 74 .

(8) A plurality of electric wires 23 are provided. A plurality of temperature sensors 24 are provided corresponding to the plurality of electric wires 23, respectively. A plurality of insertion holes 53 are provided corresponding to the plurality of electric wires 23 respectively. A plurality of surrounding portions 71 are provided corresponding to the plurality of electric wires 23 and the plurality of temperature sensors 24 . The holder 25 has connecting portions 72 that connect the plurality of surrounding portions 71 to each other. According to this configuration, since the plurality of enclosing portions 71 are connected to each other by the connecting portions 72, it is possible to reduce the number of parts as compared to the case where the plurality of enclosing portions 71 are individually formed. .

(9) The enclosing part 71 has a third locking part 85 . The insertion hole 53 has a fourth locking portion 53a. The third locking portion 85 can be locked to the fourth locking portion 53 a in the direction in which the surrounding portion 71 is removed from the insertion hole 53 . According to this configuration, it is possible to prevent the surrounding portion 71 from slipping out of the insertion hole 53 by locking the third locking portion 85 and the fourth locking portion 53a. Further, since the third locking portion 85 of the enclosing portion 71 can prevent the enclosing portion 71 from coming off, it is not necessary to use a retaining member separate from the holder 25 to prevent the enclosing portion 71 from coming off, resulting in an increase in the number of parts. can be suppressed.

(10) The connector 20 includes a first seal member 64a interposed between the wire 23 and the insertion hole 53. The first seal member 64 a is provided between the first connection portion 33 and the holder 25 . The first terminal 22</b>A has a fixing portion 36 that fixes the first sealing member 64 a to the outer peripheral surface of the electric wire 23 . The first sealing member 64a is provided apart from the holder 25. As shown in FIG. According to this configuration, the first sealing member 64a is fixed to the outer peripheral surface of the electric wire 23 by the fixing portion 36 of the first terminal 22A. No separate member is required. As a result, it becomes possible to suppress an increase in the number of parts. Note that the holder 25 is provided apart from the first seal member 64a, and the holder 25 is not a member for fixing the first seal member 64a. Further, by fixing the first seal member 64a to the first terminal 22A, positioning of the first seal member 64a in the length direction of the electric wire 23 becomes possible.

(11) The connector 20 includes a second sealing member 65a that covers the portion of the electric wire 23 connected to the first connecting portion 33 of the first terminal 22A. The connector 20 also includes a second sealing member 65b that covers the portion of the electric wire 23 connected to the first connecting portion 43 of the second terminal 22B. According to this configuration, it is possible to prevent the first connecting portions 33 and 43 from being exposed to water by the second sealing members 65a and 65b. Moreover, according to this configuration, it is not necessary to provide a rubber plug or the like on the front side of the first connecting portions 33 and 43, so it is possible to suppress an increase in the number of parts.

(12) The housing 21 has a housing body 26 and a retainer 27 attached to the housing body 26 . The retainer 27 has a first terminal holding portion 51 holding the first terminal 22A, a second terminal holding portion 52 holding the second terminal 22B, and an insertion hole 53 . According to this configuration, the retainer 27 attached to the housing body 26 can hold the first terminal 22A and the second terminal 22B.

(13) The first terminal 22A includes a first connection portion 33 to which the electric wire 23 is connected, a second connection portion 34 connected to the mating terminal T1, and a connection between the first connection portion 33 and the second connection portion 34. and a first terminal side locking portion 35 provided therebetween. The first terminal holding portion 51 has a first retainer-side engaging portion 55 that engages with the first terminal-side engaging portion 35 . According to this configuration, the first terminals 22A can be stably held by the retainer 27 by the first retainer-side locking portions 55 even before the retainer 27 is assembled to the housing body 26 .

The second terminal 22B includes a first connection portion 43 to which the electric wire 23 is connected, a second connection portion 44 connected to the mating terminal T2, and a connection between the first connection portion 43 and the second connection portion 44. and a second terminal side locking portion 45 provided in the . The second terminal holding portion 52 has a second retainer-side locking portion 62 that locks onto the second terminal-side locking portion 45 . According to this configuration, the second terminals 22B can be stably held on the retainer 27 by the second retainer-side locking portions 62 even before the retainer 27 is assembled to the housing body 26 .

(14) The terminal group 22 can be assembled in the insertion hole 53 from the rear side to the front side of the retainer 27 . According to this configuration, after the electric wire 23 is attached to the terminal group 22, the terminal group 22 with the electric wire 23 can be attached to the retainer 27 from the rear side. Therefore, it is not necessary to assemble the electric wire 23 and the terminal group 22 in a state where the electric wire 23 is passed through the retainer 27, and the assembling workability can be improved.

(15) The first retainer-side locking portion 55 includes a rear-side locking portion 56 that restricts movement of the first terminal 22A to the rear side of the retainer 27, and a movement of the first terminal 22A to the front side of the retainer 27. and a front side locking portion 57 that regulates the According to this configuration, it is possible to restrict movement of the first terminal 22</b>A to the rear side and the front side of the retainer 27 by the rear side locking portion 56 and the front side locking portion 57 . This allows the retainer 27 to more stably hold the first terminal 22A.

(16) The first terminal side locking portion 35 is formed in a flange shape protruding from the first terminal 22A. The rear locking portion 56 can contact the rear side surface of the first terminal locking portion 35 . The front locking portion 57 can contact the front side surface of the first terminal locking portion 35 . According to this configuration, the first terminal can be secured to the rear side and the front side of the retainer 27 by locking the rear side locking portion 56 and the front side locking portion 57 with the flange-shaped first terminal side locking portion 35 . 22A movement can be restricted.

(17) The first retainer side locking portion 55 restricts movement of the first terminal 22A to the front side and rear side of the retainer 27 by being locked with the first terminal side locking portion 35 . As a result, even before the retainer 27 is attached to the housing body 26, the first terminal 22A can be stably held by the retainer 27. As shown in FIG.

Further, the second retainer-side locking portion 62 restricts movement of the second terminal 22B to the front side and the rear side of the retainer 27 by locking with the second terminal-side locking portion 45 . As a result, the second terminals 22B can be stably held by the retainer 27 even before the retainer 27 is attached to the housing body 26 .

(18) The second terminal 22B has a metal portion 41 formed by bending a metal plate. The first connection portion 43 and the second connection portion 44 are provided on the metal portion 41 . The first terminal 22A also has a metal portion 31 formed by bending a metal plate. The first connection portion 33 and the second connection portion 34 are provided on the metal portion 31 . According to this configuration, the first terminal 22A and the second terminal 22B can be formed by bending the metal plate.

(19) The second terminal side locking portion 45 is provided on the metal portion 41 of the second terminal 22B. According to this configuration, the second terminal side locking portion 45 can be formed on the metal portion 41 of the second terminal 22B.

(20) The second terminal side locking portion 45 is a hole, and the second retainer side locking portion 62 is a convex portion inserted into the second terminal side locking portion 45 . According to this configuration, the engagement between the second terminal-side engaging portion 45 provided on the metal portion 41 of the second terminal 22B and the second retainer-side engaging portion 62, which is the convex portion of the retainer 27, causes the second terminal to engage. It becomes possible to preferably restrict the movement of the two terminals 22B.

(21) The second terminal 22B has a protruding wall 47 that protrudes in a direction crossing the length direction of the second connecting portion 44 . The second terminal-side locking portion 45 is a hole passing through the projecting wall 47 . According to this configuration, by locking the second terminal side locking portion 45 which is the hole provided in the projecting wall 47 and the second retainer side locking portion 62 which is the convex portion of the retainer 27, the second terminal side locking portion 45 is locked. It becomes possible to preferably restrict the movement of the terminal 22B.

(22) The first terminal 22A has a resin portion 32 integrally provided with the metal portion 31. The first terminal side locking portion 35 is provided on the resin portion 32 . According to this configuration, the first terminal side locking portion 35 can be formed in the resin portion 32 of the first terminal 22A.

(23) The first seal member 64b is provided closer to the base end than the first connection portion 43 when the second connection portion 44 side of the first connection portion 43 in the second terminal 22B is the distal end side. The second terminal 22B has a fixing portion 46 that fixes the first sealing member 64b to the outer peripheral surface of the electric wire 23. As shown in FIG. According to this configuration, the first sealing member 64b can be positioned in the length direction of the electric wire 23 by fixing the first sealing member 64b to the second terminal 22B.

(24) The retainer 27 has a guide portion 58 that guides the first terminal side locking portion 35 to the rear side locking portion 56 when the first terminal 22A is inserted into the insertion hole 53 . Further, the retainer 27 has a guide portion 63 that guides the second terminal side locking portion 45 to the second retainer side locking portion 62 when the second terminal 22B is inserted into the insertion hole 53 . According to this configuration, the guiding portions 58 and 63 can improve the assembling workability of the first terminal 22A and the second terminal 22B.

(25) The guide portions 58 and 63 are inclined surfaces that are displaced to the inner diameter side of the insertion hole 53 toward the front side of the retainer 27 . According to this configuration, the assembling workability of the first terminal 22A and the second terminal 22B can be more preferably improved by the guiding portions 58 and 63, which are inclined surfaces.

This embodiment can be implemented with the following modifications. This embodiment and the following modified examples can be implemented in combination with each other within a technically consistent range.
- The number of the first terminals 22A and the number of the second terminals 22B are not limited to the above-described embodiment, and can be changed as appropriate according to the configuration of the connector 20. FIG.

- In the first terminal 22A and the second terminal 22B, the metal portions 31 and 41 are formed by bending a metal plate, but the metal portions 31 and 41 may be formed by cutting. .

- In the first retainer side locking portion 55 of the above embodiment, the front side locking portion 57 may be omitted.
- The configuration such as the shape of the first terminal-side locking portion 35 is not limited to the above-described embodiment, and can be changed as appropriate. For example, although the first terminal side locking portion 35 is provided on the resin portion 32 , the first terminal side locking portion 35 may be provided on the metal portion 31 without being limited to this.

· The configuration such as the shape of the second terminal side locking portion 45 is not limited to the above embodiment, and can be changed as appropriate. For example, in the above-described embodiment, the second terminal side locking portion 45 is a hole, and the second retainer side locking portion 62 is a convex portion inserted into the second terminal side locking portion 45. , and the concave-convex relationship between the second terminal-side engaging portion 45 and the second retainer-side engaging portion 62 may be reversed. Further, the second terminal side locking portion 45 is not limited to a through hole, and may be a concave portion that does not penetrate. Moreover, the projecting direction of the projecting wall 47 is not limited to the direction perpendicular to the length direction of the second connection portion 44 , and the projecting direction of the projecting wall 47 is the direction intersecting the length direction of the second connection portion 44 . I wish I had.

- In the surrounding part 71 of the above embodiment, the first divided body 73 and the second divided body 74 are configured to be integrally connected via, for example, a hinge, and the first divided body 73 can rotate around the hinge. configuration.

- In the above-described embodiment, the enclosing part 71 is composed of two parts, the first divided body 73 and the second divided body 74. However, the enclosing part 71 may be composed of one part. .
- Although holder 25 of the above-mentioned embodiment is constituted so that holding of electric wire 23 connected to the 3rd terminal 22C is possible, it may be the composition which does not hold the electric wire 23 concerned not only in this.

- In the holder 25 of the above-described embodiment, the plurality of surrounding portions 71 are connected to each other by the connecting portion 72. However, the present invention is not limited to this. It is also possible to have a configuration in which the

- The claw portion 82 may be omitted from the sensor holding portion 81 of the above-described embodiment.
- In the surrounding part 71 of the above embodiment, the distance between the first divided body 73 and the second divided body 74 may be configured so as not to be changed when they are not inserted into the insertion hole 53 .

In the above-described embodiment, the third locking portion 85 and the fourth locking portion 53a are locked to each other. , and the concave-convex relationship between the third engaging portion 85 and the fourth engaging portion 53a may be reversed.

- Although the enclosing part 71 is provided away from the first sealing member 64a in the above-described embodiment, the enclosing part 71 may be in contact with the first sealing member 64a.
- Although the connector 20 of the above-described embodiment is used for the charging inlet 11 of the vehicle 10 , it is not limited to this, and can be used for devices other than the charging inlet 11 in the vehicle 10 .

· As shown in FIGS. 7 and 13, the enclosing part 71 may cover the entire sensor main body 24a. The enclosing part 71 may cover a lengthwise range of the electric wire 23 that is wider than the lengthwise range in which the sensor main body 24a is provided. The enclosing portion 71 may cover a portion of the lead wire 24b. That is, the enclosing part 71 may collectively cover the sensor main body 24a, the electric wire 23, and part of the lead wire 24b.

· As shown in FIG. 7 , the entire holder 25 may be accommodated in the insertion hole 53 . In other words, the holder 25 may be accommodated within the insertion hole 53 so that the holder 25 does not protrude from the housing 21 . The insertion hole 53 connected to the first terminal holding portion 51, that is, the insertion hole 53 into which the surrounding portion 71 of the holder 25 is inserted may be referred to as the first insertion hole. Also, the insertion hole 53 connected to the second terminal holding portion 52 may be referred to as a second insertion hole.

・As shown in FIGS. 7 and 13, the direction in which the first divided body 73 and the second divided body 74 are divided (in the example shown in FIGS. 7 and 13, the direction in which the electric wire 23 and the sensor body 24a overlap ), for example, the holder 25 may be perpendicular to the length direction of the wire 23 . As shown in FIGS. 13 to 15, the pair of first locking portions 75 has locking pieces projecting in the width direction, and the pair of second locking portions 76 are inserted with the locking pieces. You may have the locking frame which has a locking hole. The pair of second locking portions 76 has locking pieces projecting in the width direction, and the pair of first locking portions 75 has locking holes into which the locking pieces are inserted. may have The width direction may be a direction orthogonal to the division direction and the length direction of the electric wires 23, for example. As shown in FIGS. 14 and 15, when the first divided body 73 and the second divided body 74 are in contact with each other, the locking surface of the locking piece of the first locking portion 75 and the locking surface of the second locking portion 76 are separated from each other. A gap S in the dividing direction may be formed between the locking hole and the inner peripheral surface of the locking hole. Also, a gap S in the dividing direction may be formed between the locking surface of the locking piece of the second locking portion 76 and the inner peripheral surface of the locking hole of the first locking portion 75 . As a result, the enclosing part 71 can change the distance between the first divided body 73 and the second divided body 74 within a predetermined range in the dividing direction when not inserted into the insertion hole 53 . good too. The predetermined range is equal to the size of the gap S, for example.

- As shown in FIG. 16, a pair of nail|claw part 82 may have a shape which protrudes so that it may mutually adjoin along the width direction.
- As shown in FIG. 7, the first sealing member 64a may have a protrusion that protrudes toward the first terminal 22A, and the outer diameter of the protrusion may be smaller than the inner diameter of the insertion hole 53. good. That is, an annular space may be formed between the protruding portion and the inner peripheral surface of the insertion hole 53 . The fixing portion 36 of the first terminal 22</b>A may fix the first seal member 64 a by pressing the projecting portion against the outer peripheral surface of the electric wire 23 connected to the first connection portion 33 .

- As shown in FIGS. 9 and 10, the first seal member 64b may have a protrusion that protrudes toward the second terminal 22B, and the outer diameter of the protrusion is larger than the inner diameter of the insertion hole 53. It can be small. That is, an annular space may be formed between the protruding portion and the inner peripheral surface of the insertion hole 53 . The fixing portion 46 of the second terminal 22</b>A may fix the first sealing member 64 b by pressing the projecting portion against the outer peripheral surface of the electric wire 23 connected to the first connecting portion 43 .

· This disclosure includes the following implementation examples. Some components of the exemplary embodiments have been numbered as an aid to understanding and not for limitation. Some of the matters described in the implementation examples below may be omitted, and some of the matters described in the implementation examples may be selected or extracted and combined.

[Appendix 1] In one aspect of the present disclosure, the division direction in which the first divided body (73) and the second divided body (74) are divided and the direction orthogonal to the length direction of the electric wire (23) are in the width direction,
The first locking portion (75) has a locking piece projecting in the width direction,
The second locking portion (76) has a locking frame having a locking hole into which the locking piece is inserted,
When the first split body (73) and the second split body (74) are in contact with each other, the locking surface of the locking piece of the first locking part (75) and the second locking part (76) ) and the inner peripheral surface of the locking hole may be formed with a gap (S) in the dividing direction.

[Appendix 2] In one aspect of the present disclosure, the dividing direction in which the first divided body (73) and the second divided body (74) are divided and the direction orthogonal to the length direction of the electric wire (23) are in the width direction,
The second locking portion (76) has a locking piece projecting in the width direction,
The first locking portion (75) has a locking frame having a locking hole into which the locking piece is inserted,
When the first split body (73) and the second split body (74) are in contact with each other, the locking surface of the locking piece of the second locking part (76) and the first locking part (75) ) and the inner peripheral surface of the locking hole may be formed with a gap (S) in the dividing direction.

[Appendix 3] In one aspect of the present disclosure, the first sealing members (64a, 64b) have protrusions that protrude toward the terminals (22A, 22B),
The outer diameter of the protrusion is smaller than the inner diameter of the insertion hole (53),
The fixed portions (36, 46) press the protruding portions against the outer peripheral surface of the electric wire (23) connected to the first connection portions (33, 43), whereby the first seal members (64a, 64b) ) may be fixed.

· The embodiments and modifications disclosed this time are examples in all respects, and the present invention is not limited to these examples. That is, the scope of the present invention is indicated by the scope of claims, and is intended to include all changes within the meaning and scope of equivalence to the scope of claims.

REFERENCE SIGNS LIST 10 vehicle 11 charging inlet 12 charger 13 battery 14 power control unit 20 connector 21 housing 22 terminal group 22A first terminal 22B second terminal 22C third terminal 23 electric wire 23a core wire 23b insulation coating 24 temperature sensor 24a sensor body 24b lead wire 25 Holder 26 Housing main body 26a Opening 26b Mounting portion 26c Drainage portion 26d Fitting portion 26e Fitting portion 27 Retainer (holding member)
31 metal portion 32 resin portion 33 first connection portion 34 second connection portion 35 first terminal side locking portion (fifth locking portion)
36 fixing part 37 tip protection part 41 metal part 43 first connecting part 44 second connecting part 45 second terminal side locking part 46 fixing part 47 projecting wall 50 base 51 first terminal holding part (terminal holding part)
52 Second terminal holding portion 53 Insertion hole 53a Fourth locking portion 54 Cylindrical portion 55 First retainer side locking portion (sixth locking portion)
56 rear locking portion 57 front locking portion 58 guide portion 61 elastic piece 62 second retainer side locking portion 63 guide portion 64a first seal member 64b first seal member 65a second seal member 65b second seal member 71 Surrounding part 72 Connecting part 73 First divided body 74 Second divided body 74a Press contact convex part 75 First locking part 76 Second locking part 81 Sensor holding part 82 Claw part 83 First divided connecting part 83a Positioning convex part 83b Positioning Recess 83c First wire holding portion 84 Second split connecting portion 84a Positioning recess 84b Positioning projection 84c Second wire holding portion 85 Third locking portion S Gap T1 Mating terminal T2 Mating terminal

Claims (16)

1. a housing;
   terminals housed in the housing;
   a wire electrically connected to the terminal;
   a temperature sensor having a sensor body attached to the surface of the electric wire and lead wires extending from the sensor body;
   a holder having an enclosing portion that collectively covers the electric wire and the sensor body;
   The housing has an insertion hole through which the electric wire is inserted,
   The surrounding portion is inserted into the insertion hole,
   The surrounding portion is interposed between the inner peripheral surface of the insertion hole and the electric wire, and between the inner peripheral surface of the insertion hole and the sensor main body,
   connector.
2. The enclosing part is provided inside the insertion hole so as to press the sensor body against the surface of the electric wire,
   A connector according to claim 1 .
3. The enclosing part has a first divided body and a second divided body,
   The first divided body and the second divided body sandwich the electric wire and the sensor main body in a direction in which the electric wire and the sensor main body overlap,
   3. A connector according to claim 2.
4. The first divided body has a first locking portion,
   The second divided body has a second locking portion,
   By engaging the first locking portion with the second locking portion, the first divided body and the second divided body are assembled with each other,
   A connector according to claim 3.
5. The enclosing part is configured to be able to change the distance between the first divided body and the second divided body in a state where it is not inserted into the insertion hole.
   5. A connector according to claim 4.
6. The enclosing part has a sensor holding part holding the sensor main body,
   The sensor holding portion holds the sensor main body so as not to come off from the enclosing portion when the enclosing portion is not inserted into the insertion hole.
   A connector according to any one of claims 1 to 5.
7. The enclosing part has a first divided body and a second divided body,
   The first divided body and the second divided body sandwich the electric wire and the sensor main body in a direction in which the electric wire and the sensor main body overlap,
   The first divided body has the sensor holding portion,
   The sensor holding portion holds a state in which the sensor main body is assembled to the first divided body in a state in which the first divided body is not assembled to the second divided body.
   7. A connector according to claim 6.
8. A plurality of the electric wires are provided,
   a plurality of the temperature sensors are provided corresponding to each of the plurality of electric wires,
   A plurality of the insertion holes are provided corresponding to the plurality of electric wires,
   A plurality of the surrounding portions are provided corresponding to the plurality of electric wires and the plurality of temperature sensors,
   The holder has a connecting portion that connects the plurality of surrounding portions to each other,
   8. The connector according to any one of claims 1-7.
9. The surrounding portion has a third locking portion,
   The insertion hole has a fourth locking portion,
   The third locking portion can be locked to the fourth locking portion in a direction in which the enclosing portion is removed from the insertion hole,
   9. The connector according to any one of claims 1-8.
10. A first sealing member interposed between the electric wire and the insertion hole,
    The terminal has a first connection portion to which the electric wire is connected,
    The first sealing member is provided between the first connecting portion and the holder,
    The terminal has a fixing portion that fixes the first sealing member to the outer peripheral surface of the electric wire,
    The first sealing member is provided apart from the holder,
    10. A connector according to any one of claims 1-9.
11. A second sealing member that covers a portion of the electric wire connected to the first connection portion is provided,
    11. Connector according to claim 10.
12. The housing has a housing body and a holding member attached to the housing body,
    The holding member has a terminal holding portion that holds the terminal and the insertion hole,
    12. The connector of any one of claims 1-11.
13. The terminal includes a first connection portion to which the electric wire is connected, a second connection portion to be connected to a mating terminal, and a fifth connection portion provided between the first connection portion and the second connection portion. and a locking portion,
    The terminal holding portion has a sixth locking portion that locks to the fifth locking portion,
    13. A connector according to claim 12.
14. The terminal can be attached to the insertion hole from the rear side to the front side of the holding member,
    14. The connector of Claim 13.
15. The sixth locking portion includes a rear side locking portion that restricts movement of the terminal to the rear side of the holding member, and a front side locking portion that restricts movement of the terminal to the front side of the holding member. and containing
    15. The connector of Claim 14.
16. The fifth locking portion is formed in a flange shape protruding from the terminal,
    The rear locking portion is capable of contacting a rear side surface of the fifth locking portion,
    The front side locking portion is capable of contacting a front side surface of the fifth locking portion,
    16. A connector according to claim 15.

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