TWI575822B - Connector - Google Patents

Description

Connector

The present invention relates to a connector having a base connector and a receptacle connector engageable with the base connector.

Patent Document 1 describes a connector that can be fitted to a target-side connector that is fixed to a substrate, the connector has a fixed-side housing that is fixed to another substrate, and is assembled so as to be slidable in the X direction. a movable side outer casing on the fixed side outer casing; a plurality of fixed side contact members fixed to the fixed side outer casing; and a plurality of movable side contact members respectively engageable with the fixed side contact members housed in the movable side outer casing. In the fitting state of the connector and the object side connector, there is a gap between the movable side casing and the object side casing of the object side connector in the Y direction (direction orthogonal to the X direction). Therefore, when the connector is fitted to the object side connector, even if the connector and the object side connector are slightly offset in the X and Y directions, the X direction shift is transmitted through the movable side housing in the X direction with respect to the fixed side housing. It is absorbed by sliding and the shift in the Y direction is absorbed by the gap described above. Thereby, the connector can be fitted to the target side connector.

Prior technical literature Patent literature

Patent Document 1 Japanese Patent Laid-Open Publication No. 2012-195299

In the connector described in Patent Document 1, the movable side casing is configured to be slidable in the X direction with respect to the fixed side casing, and the movable side contact member is configured to be rotatable about the coupling portion to absorb the X direction with the object side contact member. Offset. However, the fixed side casing and the movable side casing are disposed along the fitting direction of the connector and the object side connector, and the size of the connector in the fitting direction becomes large.

Further, in the connector described in Patent Document 1, when the cable is connected to the fixed-side contact, the cable is usually led out in the extending direction of the fixed-side contact (that is, the fitting direction). When the connector is attached to the device, in order to draw the cable from the connector, it is necessary to leave a space in the direction in which it is led out. Therefore, if the fitting direction is the same as the direction in which the cable is taken out, in addition to the size of the connector, The space for taking out the cable is ensured, so that the device having the connector itself is also enlarged in the fitting direction.

Accordingly, it is an object of the present invention to provide a connector capable of facilitating miniaturization of a device for mounting the connector in a fitting direction while miniaturizing the connector in the fitting direction.

The connector of the present invention is provided with a base connector and a receptacle connector. The base connector includes an insulating first base housing having a recess opened in a first direction, and a first mounting portion for mounting the first base housing on a first mounting surface facing the first direction; An insulating second base housing; a second mounting portion for mounting the second base housing on a second mounting surface perpendicular to the first mounting surface; and assembling the first base housing and the second base housing Chengneng An assembly portion that moves in a second direction perpendicular to the second mounting surface; and a connecting portion that protrudes into the recessed portion along the second direction and a connecting portion that is connected to a cable that is led out in the second direction, And a conductive base contact that is housed in the second base housing. The socket connector includes: an insulating socket housing engageable with the first base housing; and a conductive plug contact received in the socket housing, wherein the conductive plug contact is in the socket When the outer casing is fitted to the first base outer casing, it can come into contact with the contact portion. Further, the first attachment portion is configured to move the first base housing at least in the third direction and in a third direction orthogonal to the first and second directions with respect to the first attachment surface. At least one of the second mounting portion and the assembly portion is configured to move the second base housing in the third direction with respect to the second mounting surface and the first base housing.

According to this, the base connector is configured as a first base housing that can be fitted into the socket housing, and a second base that is configured to be able to lead the cable in the second direction orthogonal to the fitting direction (first direction) The base housing can reduce the size of the base connector in the fitting direction, and can also contribute to miniaturization of the device in which the base connector is mounted in the fitting direction. In addition, the first base housing is configured to be movable in the second and third directions through at least one of the first mounting portion and the second mounting portion and the assembly portion, so that the base connector and the base connector are When the socket connector is fitted, the socket housing is easily fitted to the first base housing. In this way, it is possible to miniaturize the connector in the fitting direction while achieving good fitting of the base connector and the socket connector, and also contribute to miniaturization of the device in which the connector is mounted in the fitting direction. .

In the invention, it is preferable that the assembly portion is constituted by a guide plate and a hole portion, and the guide plate extends from an end surface of the base housing of the first base housing and the second base housing opposite to the other base housing The second direction protrudes; the hole portion is formed in the other base housing, and the guide plate is inserted when the two base housings are assembled, and the guide plate and the inner peripheral wall surface of the hole portion are formed in the third direction. There is a gap between them. Thereby, the structure in which the first base case can be moved in the second and third directions with respect to the second base case can be easily realized by the guide plate and the hole portion. Further, since the first base housing is movable in the second and third directions with respect to the second base housing, the first base housing is easily inclined with respect to the second base housing. Therefore, the socket housing is more easily fitted to the first base housing.

Further, in the second aspect of the invention, it is preferable that the second base housing has a support portion that protrudes from the end surface facing the first base housing in the second direction and supports the base contact, and the first base housing has a The hole portion that communicates with the recessed portion and is inserted into the support portion when the first and second base housings are assembled is provided between the support portion and the inner peripheral wall surface of the hole portion The first elastic sealing member of the gap. Thereby, it is possible to prevent foreign matter such as liquid from penetrating into the concave portion from between the support portion of the second base casing and the inner peripheral wall surface of the hole portion of the first base casing.

Further, in the invention, it is preferable that the second attachment portion is configured to move the second base housing at least in the third direction with respect to the second attachment surface. Thereby, the structure in which the first base housing can be moved in the third direction can be easily realized. In addition, the base is in contact The member can also move in the third direction together with the second base housing, and the base contact member can be smoothly electrically connected to the plug contact member.

Further, in the invention, it is preferable that an end surface of the second base casing facing the second mounting surface is provided with an annular second elastic portion that fills a gap between the end surface and the second mounting surface. In the sealing member, the second elastic sealing member is disposed so as to be able to enclose the connecting portion of the base contact. Thereby, it is possible to suppress the foreign matter such as a liquid from entering between the second mounting surface and the end surface of the second base housing and adhering to the connection portion of the base contact.

Further, in the invention, it is preferable that the plug contact has a contact portion that contacts the contact portion from the third direction when the socket housing is fitted to the first base housing. Thereby, even when the socket housing and the first base housing are fitted, even if the contact portion of the base contact and the contact portion of the plug contact are displaced in the second direction, good contact can be made without a buffer.

Further, in the invention, it is preferable that the socket housing is provided with a ring-shaped portion in which a gap between the socket housing and an inner peripheral wall surface of the recess portion is filled when the socket housing is fitted to the first base housing. 3 elastic sealing members. Thereby, in the fitting state of the socket housing and the first base housing, it is possible to prevent foreign matter such as liquid from entering between the socket housing and the inner peripheral wall surface of the recess and adhering to the contact portion.

According to the connector of the present invention, the base connector is configured as a first base housing that can be fitted to the socket housing, and is configured to be able to be led out in a second direction orthogonal to the fitting direction (first direction). The second base housing of the cable, thus enabling the base connector to be embedded The combination is miniaturized, and it is also possible to contribute to miniaturization of the device in which the base connector is mounted in the fitting direction. In addition, the first base housing is configured to be movable in the second and third directions through at least one of the first mounting portion and the second mounting portion and the assembly portion, so that the base connector and the base connector are When the socket connector is fitted, the socket housing is easily fitted to the first base housing. In this way, it is possible to miniaturize the connector in the fitting direction while achieving good fitting of the base connector and the socket connector, and also contribute to miniaturization of the device in which the connector is mounted in the fitting direction. .

10‧‧‧Socket connector

100‧‧‧Connector

11‧‧‧Socket housing

12‧‧‧Base section

13‧‧‧Mate

13a‧‧‧ slot

13b‧‧‧3rd elastic sealing member

13c‧‧‧Guidance

13d‧‧‧The fall

14‧‧‧Protruding

15, 16‧‧ ‧ recess

15a, 16a‧‧‧ openings

17, 18 ‧ ‧ slit

19‧‧‧Installation Department

19a‧‧‧Protruding

19b‧‧‧Protruding

19c‧‧‧Floating bushing

200‧‧‧ battery unit

201‧‧‧Handle

202‧‧‧Back wall

203‧‧‧cut section

21, 25‧‧‧ plug contacts

21a‧‧‧Connecting Department

21a1‧‧‧Connecting piece

21a2‧‧ hole

22‧‧‧ Nuts

21b‧‧‧Contacts

21b1‧‧‧Contacts

25a, 25b‧‧‧ fixture

25c‧‧‧Contacts

25c1‧‧‧Contacts

26‧‧‧ signal line

30‧‧‧Base connector

300‧‧‧Installation Department

301‧‧‧Support board

301a‧‧‧Top (1st mounting surface)

302‧‧‧ side wall

303‧‧‧Installation board

303a‧‧‧ front (2nd mounting surface)

304‧‧‧Fixed Department

305‧‧‧ long hole

306‧‧‧ hole

31‧‧‧1st base housing

31a‧‧‧上壁

31b‧‧‧Back wall

31b1‧‧‧ Hole Department

31b2‧‧‧ points

31c‧‧‧ left wall

31d‧‧‧ right wall

31c1, 31d1‧‧‧ slots

31f‧‧‧The lower wall

31f1‧‧‧The fall

31f2‧‧‧Guide Department

32‧‧‧2nd base housing

32a‧‧‧Base section

32a1‧‧‧ front wall

32a2‧‧‧ rear wall

32a3‧‧‧ slot

32a4‧‧‧2nd elastic sealing member

32b‧‧‧Front protrusion

32b1‧‧‧ base

32b2‧‧‧Support

32b3‧‧‧ Guide plate

32b4‧‧‧Guideboard

32b4a‧‧‧ hook

32b5‧‧‧ front wall

32b6‧‧‧ slot

32b8‧‧‧ Hole Department

32b9‧‧‧ slot

32b11‧‧‧ front wall

32b12‧‧‧ hole

32b13‧‧ hole

32c‧‧‧ Rear projection

32c1‧‧‧ rear wall

32d‧‧‧ recess

32d1‧‧‧ openings

32e‧‧‧ recess

32e1‧‧‧ openings

33‧‧‧First Installation Department

33a, 33b‧‧‧ highlights

33c‧‧‧Floating bushing

34‧‧‧Second Installation Department

34a, 34b‧‧‧ protruding parts

34c‧‧‧Floating bushing

35‧‧‧Assembly Department

35a‧‧‧ gap

36‧‧‧ recess

36a‧‧‧ Opening

36b‧‧‧ inner wall

36b1‧‧‧ front wall

36b7‧‧‧1st elastic sealing member

41, 45‧‧‧ base contacts

41a, 41b‧‧‧ fixture

41c1‧‧‧Contact film

44‧‧‧ Cable

45a‧‧‧Connecting Department

45b1‧‧‧Contact film

Fig. 1 is a perspective view of a battery unit and a mounting portion to which a connector according to an embodiment of the present invention is attached.

Fig. 2 is a perspective view of the connector shown in Fig. 1.

Fig. 3 is a view showing the receptacle connector shown in Fig. 2, Fig. 3(a) is a front view showing the receptacle connector from the front, and Fig. 3(b) is a cross-sectional view taken along line IIIb-IIIb shown in Fig. 3(a). .

Fig. 4 shows a plug contact inserted in the receptacle connector, Fig. 4(a) is a perspective view of the power plug contact, and Fig. 4(b) is a perspective view of the signal plug contact.

Fig. 5 is a perspective view of the base connector as seen obliquely from the front.

Fig. 6 is a perspective view of the base connector as seen obliquely from the rear.

Figure 7 is a longitudinal sectional view of the base connector shown in Figure 2;

Figure 8 is a cross-sectional view of the base connector shown in Figure 2 .

Fig. 9 is a side view of the base connector shown in Fig. 2 as seen from the left side, Fig. 9(a) shows a state in which the first base housing is in the first position, and Fig. 9(b) shows a first base housing in the first position. The situation at 2 positions.

Fig. 10 shows a base contact inserted into the base connector, Fig. 10(a) is a perspective view of the power base contact, and Fig. 10(b) is a perspective view of the signal base contact.

Suitable embodiments of the present invention are described below with reference to the accompanying drawings.

As shown in FIG. 1, the connector 100 according to the present embodiment is composed of a receptacle connector 10 and a base connector 30, the receptacle connector 10 is mounted to the battery unit 200, and the base connector 30 is mounted to the power supply for mounting the battery unit 200. Mounting portion 300 of the device.

Here, the definition of the direction in the present embodiment will be described. As shown in FIG. 1, a direction (first direction) perpendicular to the upper surface 301a (first mounting surface) of the support plate 301 of the mounting portion 300, that is, a direction from the support plate 301 toward the connector 100 and an opposite direction thereof are defined, respectively. The direction (the second direction) perpendicular to the front surface 303a (the second mounting surface) of the mounting plate 303 of the mounting portion 300, that is, the direction in which the power cable 44 is drawn from the base connector 30 and the opposite direction thereof are respectively above and below. It is defined as the rear and the front, and the direction (the third direction) orthogonal to the up-and-down direction and the front-back direction is defined as the right side and the left side.

As shown in FIG. 1, the battery unit 200 has a substantially rectangular parallelepiped shape and has, for example, a lithium ion secondary battery inside. Further, as the storage battery, for example, a lead storage battery, a nickel cadmium storage battery, a nickel hydrogen storage battery or the like may be provided instead of the lithium ion secondary battery. The rear wall 202 of the battery unit 200 is provided with useful The user holds the handle 201 of the battery unit 200. A cutout portion 203 is formed at the center in the width direction of the lower end of the rear wall 202. The receptacle connector 10 is disposed so as to protrude downward in the cutout portion 203.

The mounting portion 300 in the present embodiment is mounted in a power feeding device such as an electric vehicle, and has a support plate 301, a side wall 302, and a mounting plate 303. The support plate 301 has a rectangular planar shape. The side wall 302 is erected in a U-shape at the front end portion of the support plate 301, and an end portion of the battery unit 200 opposite to the handle 201 is placed in a region surrounded by the side wall 302. A pair of fixing portions 304 that are disposed apart from each other in the left-right direction are formed at the rear end portion of the support plate 301. The mounting plate 303 is vertically erected with respect to the support plate 301 in a state where both ends in the left-right direction are fixed to the pair of fixing portions 304. The mounting plate 303 is formed with a long hole 305 that penetrates in the front-rear direction and that is elongated in the left-right direction, and a pair of holes 306 that penetrate in the front-rear direction. The pair of holes 306 are disposed at positions where the long holes 305 are sandwiched in the left-right direction. The base connector 30 is mounted on the upper surface 301a of the support plate 301 and the front surface 303a of the mounting plate 303.

When the battery unit 200 is attached to the mounting portion 300, first, the user holds the battery unit 200 by the handle 201, and the end portion of the battery unit 200 opposite to the handle 201 is disposed in a region surrounded by the side wall 302. Then, in FIG. 1, the user rotates the battery unit 200 downward by using the pull-down handle 201 with the front lower portion of the battery unit 200 (that is, the contact point of the battery unit 200 and the support plate 301) as a fulcrum. At this time, the receptacle connector 10 and the base connector 30 are disposed at positions facing each other in the vertical direction on the battery unit 200 and the mounting portion 300, respectively. Therefore, the socket connector 10 is fitted into the base connector 30 and disposed at the socket. The plug contacts 21, 25 (refer to FIGS. 3 and 4) in the connector 10 are in contact with the base contacts 41, 45 (refer to FIGS. 5 and 10) provided in the base connector 30 such that the two connectors 10 30 electrical connections. This makes it possible to supply a current from the power supply device to the power unit of the electric vehicle.

Next, the receptacle connector 10 will be described with reference to Figs. 2 to 4 . The socket connector 10 has a socket housing 11, a pair of plug contacts 21 for current supply, and three plug contacts 25 for signals. The socket housing 11 is formed of an insulating resin, and internally houses a pair of plug contacts 21 and three plug contacts 25.

As shown in FIGS. 2 and 3, the socket housing 11 has a base portion 12, a fitting portion 13 that protrudes downward from the base portion 12, and a protruding portion 14 that protrudes upward from the base portion 12. The base portion 12, the fitting portion 13, and the protruding portion 14 are formed in a substantially rectangular parallelepiped shape although they are different in size from each other. Further, the socket housing 11 has two recesses 15 that open upward and three recesses 16 that are disposed between the two recesses 15 and open upward. These recesses 15 and 16 are arranged side by side in the left-right direction. An opening 15a of the recess 15 and an opening 16a of the recess 16 are formed on the upper surface of the protrusion 14. These recesses 15 and 16 extend in the up and down direction and straddle the protruding portion 14, the base portion 12, and the fitting portion 13. The plug contact 21 is inserted into each recess 15 from the opening 15a. In addition, the plug contact 25 is inserted into each recess 16 from the opening 16a.

A recessed portion 13d is formed in the front end portion of the fitting portion 13 as shown in Fig. 3(a). The depressed portion 13d is formed at the center in the left-right direction of the fitting portion 13, and is formed in a long shape in the left-right direction. As shown in FIG. 3, the front end portion of the fitting portion 13 is formed so as to be disposed with the sink portion 13d interposed therebetween in the left-right direction. Two slits 17 at the location and three slits 18 disposed between the slits 17. The two slits 17 extend in the front-rear direction and the up-and-down direction, and are respectively connected to the concave portion 15. Therefore, a part (contact portion 21b) of the insertion contact 21 inserted into the recess 15 is exposed to the outside via the slit 17. The three slits 18 also extend in the front and rear and up and down directions, and are respectively connected to the recesses 16. Therefore, a part (contact portion 25c) of the insertion contact 25 inserted into the recess 16 is exposed to the outside via the slit 18. In addition, three slits 18 are disposed at the bottom of the trap portion 13d. Therefore, the contact portion 25c of the plug contact 25 exposed to the outside via the slit 18 is located above the contact portion 21b of the plug contact 21.

An annular groove 13a is formed on the outer peripheral wall surface of the fitting portion 13. An annular third elastic sealing member 13b is disposed in the groove 13a. The third elastic sealing member 13b in the present embodiment is made of rubber. However, if the fitting portion 13 and the inner peripheral wall surface 36b of the recessed portion 36 (see FIG. 7) can be sealed, the elasticity other than rubber may be used. Material composition. As shown in FIG. 2 and FIG. 3(b), a pair of guide portions 13c projecting forward and extending in the vertical direction are formed on the front wall surface of the outer peripheral wall surface of the fitting portion 13. As shown in FIG. 3(b), the pair of guide portions 13c are inclined such that the amount of protrusion toward the front gradually increases as the front end of the fitting portion 13 approaches the base portion 12. Further, the guide portion 13c is divided by the above-described groove 13a, and the third elastic sealing member 13b is disposed in the divided portion.

As shown in FIG. 2 and FIG. 3(a), the base portion 12 is provided with a mounting portion 19. The mounting portion 19 has a protruding portion 19a that protrudes from the left wall surface of the base portion 12 in the left direction and a right protruding portion from the right wall surface of the base portion 12. Projection portion 19b. Holes (not shown) penetrating in the vertical direction are formed in each of the protruding portions 19a and 19b. A well-known floating bush 19c is provided in the hole of each of the projections 19a and 19b. The floating bush 19c has a cylindrical portion disposed in a hole of the protruding portions 19a and 19b, and a pair of convex portions formed at both ends of the cylindrical portion and disposed at positions sandwiching the protruding portions 19a and 19b from the up-and-down direction. Edge. The flange portion has an outer diameter larger than an inner diameter of the hole. The outer diameter of the cylindrical portion is such a size as to cause a gap between the outer peripheral wall surface of the cylindrical portion and the inner peripheral wall surface of the hole. The receptacle connector 10 is attached to the battery unit 200 by a screw (not shown) that passes through the floating bush 19c from below and a nut (not shown) for mounting the screw. By adopting such a configuration of the mounting portion 19, when the receptacle connector 10 is fitted into the base connector 30, the receptacle connector 10 can be moved back and forth and left and right with respect to the battery unit 200.

As shown in FIG. 4(a), the plug contact 21 is manufactured by punching and bending a conductive metal plate, and has a connecting portion 21a and a contact portion 21b. The connecting portion 21a has a connecting piece 21a1 that is erected in the front-rear direction by bending. The connecting piece 21a1 is formed with a hole 21a2 penetrating in the vertical direction. As shown in FIG. 3(b), the connecting piece 21a1 can be inserted into the recess 15 by the insertion contact 21, and can also serve as a fall-off preventing member of the nut 22 disposed in the recess 15. Further, in a state in which the current supply terminal (not shown) of the battery unit 200 and the connecting piece 21a1 are interposed between the nut 22 and the nut 22, a mounting screw (not shown) is screwed into the nut 22 to be inserted. The contact 21 is electrically connected to the current supply terminal. Thereby, the electric power of the battery unit 200 can be supplied via the plug contact 21 . The contact portion 21b has a pair of contact pieces 21b1 opposed to each other in the left-right direction. This docking As shown in FIG. 3(a), the contact piece 21b1 is exposed to the outside from the slit 17, and when the receptacle connector 10 is fitted to the base connector 30, it comes into contact with the contact piece 41c1 of the base contact 41 to be described later. The pair of contact pieces 21b1 are separated from each other at the front end (lower end) at intervals larger than the thickness of the contact piece 41c1 of the base contact piece 41 with respect to the left-right direction, and are thicker than the contact piece 41c1 of the base contact piece 41 at the upper portion than the front end portion. Small intervals are separated from each other. Further, the pair of contact pieces 21b1 constitute a cantilever shape in which the front end is a free end. Therefore, when the contact piece 41c1 is inserted between the contact pieces 21b1, the contact piece 41c1 is elastically held. Thereby, the electrical connection between the contact pieces 21b1, 41c1 is achieved.

As shown in FIG. 4(b), the plug contact 25 is manufactured by punching and bending a conductive metal plate, and is connected to the signal line 26, respectively. Further, the signal line 26 is connected to a controller (not shown) of the battery unit 200. Specifically, the plug contact 25 has two pairs of jigs 25a and 25b, and the clamps 25a and 25b are crimped and fixed to the signal line 26 by caulking in the covered region and the core region of the signal line 26, respectively. Further, a contact portion 25c is formed by bending at a position below the two pairs of jigs 25a and 25b. The contact portion 25c has a pair of contact pieces 25c1 opposed to each other in the left-right direction. As shown in FIG. 3(a), the pair of contact pieces 25c1 are exposed to the outside from the slits 18. When the receptacle connector 10 is fitted into the base connector 30, the pair of contact pieces 25c1 are in contact with the contact piece 45b1 of the base contact 45 to be described later. The pair of contact pieces 25c1 are separated from each other at an interval larger than the thickness of the contact piece 45b1 of the base contact 45 at the front end in the left-right direction, and are spaced apart from the front end portion by a thickness smaller than the thickness of the contact piece 45b1 of the base contact 45. Separated from each other. In addition, a pair of contact pieces 25c1 constitute a suspension whose front end is a free end Arm shape. Therefore, when the contact piece 45b1 is inserted between the contact pieces 25c1, the contact piece 45b1 is elastically held. Thereby, electrical connection between the contact pieces 25c1, 45b1 is achieved.

Next, the base connector 30 will be described with reference to FIGS. 2 and 5 to 10. The base connector 30 includes a first base housing 31, a second base housing 32, a first mounting portion 33, a second mounting portion 34, an assembly portion 35, a pair of base contacts 41, and three base contacts 45. Further, the base connector 30 is configured to be divided into a first base housing 31 and a second base housing 32 so that the current supply cable 44 can be drawn rearward from the base connector 30. The first base case 31 is formed of an insulating resin and has a substantially rectangular parallelepiped shape as shown in FIGS. 5 and 6 . Further, the first base housing 31 has a recess 36 that opens upward.

The opening 36a of the recess 36 is formed in the upper wall 31a of the first base housing 31. The recessed portion 36 extends in the left-right direction and has a size that can be fitted into the fitting portion 13 of the socket housing 11. As shown in FIG. 7, the front wall surface 36b1 of the inner peripheral wall surface 36b of the recessed portion 36 is inclined slightly forward as it goes upward. The socket connector 10 and the base connector 30 are fitted by the rotation operation of the battery unit 200 with respect to the mounting portion 300 as described above. At this time, when the fitting portion 13 of the socket housing 11 is fitted into the recess 36 of the first base housing 31, the front wall surface 36b1 is inclined forward, so that the fitting portion 13 easily enters the recess 36. Further, the fitting portion 13 is formed with a pair of guiding portions 13c inclined in correspondence with the front wall surface 36b1, and the front wall surface 36b1 is in contact with the pair of guiding portions 13c so that the position of the socket housing 11 and the first base housing 31 are related. Position in the front and rear direction at the specified position.

As shown in FIG. 6, a hole portion 31b1 is formed in the rear wall 31b of the first base housing 31 (the end surface facing the second base housing 32 in the front-rear direction). The hole portion 31b1 extends in the front-rear direction and communicates with the recess 36. Further, four hole portions 31b2 extending in the front-rear direction are formed in the rear wall 31b. These hole portions 31b2 are respectively disposed in two in the left-right direction with the hole portion 31b1 interposed therebetween. Further, the two hole portions 31b2 disposed on the left side and the right side are arranged side by side in the vertical direction.

As shown in FIG. 5, two grooves 31c1, 31d1 are formed in the left wall 31c and the right wall 31d of the first base housing 31, respectively. The two grooves 31c1 and the two grooves 31d1 are arranged side by side in the vertical direction. The four grooves 31c1, 31d1 extend in the front-rear direction, and the rear portions communicate with the hole portions 31b2, respectively. That is, the front portion of each of the hole portions 31b2 communicates with the outside via the grooves 31c1, 31d1.

As shown in FIG. 5, a recessed portion 31f1 is formed in the lower wall 31f of the first base housing 31. The depressed portion 31f1 is formed on substantially the entire lower wall 31f. At the bottom of the trap portion 31f1, three guide portions 31f2 projecting downward and extending in the front-rear direction are formed. The three guide portions 31f2 are disposed so as to be spaced apart from each other by substantially equal intervals in the left-right direction.

The first attachment portion 33 has a protruding portion 33a that protrudes in the left direction from the lower end of the left wall 31c of the first base housing 31, and a protruding portion 33b that protrudes rightward from the lower end of the right wall 31d of the first base housing 31. A hole (not shown) penetrating in the vertical direction is formed in each of the protruding portions 33a and 33b. A well-known floating bush 33c having the same structure as the above-described floating bush 19c is provided in the hole of each of the protruding portions 33a and 33b. That is, the floating bush 33c also has holes disposed in the projections 33a, 33b. The cylindrical portion and the pair of flange portions formed at the both ends of the cylindrical portion are disposed at positions sandwiching the protruding portions 33a and 33b from the vertical direction. The flange portion has an outer diameter larger than an inner diameter of the hole. The outer diameter of the cylindrical portion is such a size as to cause a gap between the outer peripheral wall surface of the cylindrical portion and the inner peripheral wall surface of the hole. The first base housing 31 is attached to the support plate 301 of the mounting portion 300 by a screw (not shown) that passes through the floating bush 33c from above and a nut (not shown) for mounting the screw. By adopting such a configuration of the first attachment portion 33, the first base housing 31 can be moved forward and backward and left and right with respect to the upper surface 301a of the support plate 301. Further, as long as the first base housing 31 can move at least in the front-rear direction and the right and left direction with respect to the upper surface 301a, a constituent member other than the floating bush 33c may be employed.

The second base case 32 is made of an insulating resin, and has a base portion 32a, a front protruding portion 32b, a rear protruding portion 32c, two recessed portions 32d that are open rearward, and two recessed portions as shown in Figs. 5 and 6 . A recess 32e between 32d and open to the rear. The base portion 32a is a plate-like member having a rectangular planar shape elongated in the left-right direction. As shown in FIGS. 6 to 8, an annular groove 32a3 surrounding the rear protruding portion 32c is formed on the rear wall surface 32a2 of the base portion 32a. An annular second elastic sealing member 32a4 is disposed in the groove 32a3. Since the second elastic sealing member 32a4 is disposed in the groove 32a3, the second elastic sealing member 32a4 is not easily displaced in the vertical direction and the horizontal direction. In addition, the second elastic sealing member 32a4 has a thickness capable of filling a gap between the rear wall surface 32a2 and the front surface 303a of the mounting plate 303 in a state where the second base housing 32 is attached to the mounting plate 303. The second elastic sealing member 32a4 in the present embodiment is made of rubber, but only the rear wall surface 32a2 can be used. If it is sealed with the front surface 303a, it may be made of an elastic material other than rubber. Further, when the second elastic sealing member 32a4 is viewed from the rear, the recessed portions 32d and 32e are enclosed.

As shown in FIG. 5, the front protruding portion 32b has a base portion 32b that protrudes forward from the front wall surface 32a1 of the base portion 32a, a support portion 32b2 that supports the base contact members 41, 45, and a guide plate 32b3 and four guide sheets 32b4. The base portion 32b1 has a substantially rectangular parallelepiped shape that is elongated in the left-right direction. The support portion 32b2 protrudes forward from the center of the front wall surface 32b5 of the base portion 32b1. Further, the support portion 32b2 is formed to have a long shape in the left-right direction and has a shape that can be inserted into the hole portion 31b1. An annular groove 32b6 is formed on the outer peripheral wall surface of the support portion 32b2 (see Fig. 7). An annular first elastic sealing member 36b7 is disposed in the groove 32b6. Since the first elastic sealing member 36b7 is disposed in the groove 32b6, the first elastic sealing member 36b7 is not easily displaced in the front-rear direction. In addition, the first elastic sealing member 36b7 has a thickness capable of filling a gap between the outer peripheral wall surface of the support portion 32b2 and the inner peripheral wall surface of the hole portion 31b1 in a state in which the support portion 32b2 is inserted into the hole portion 31b1. The first elastic sealing member 36b7 in the present embodiment is made of rubber. However, the outer circumferential wall surface of the support portion 32b2 and the inner circumferential side wall of the hole portion 31b1 may be sealed with an elastic material other than rubber. Further, as shown in FIG. 5, the front wall surface 32b11 of the support portion 32b2 is formed with two holes 32b12 and three holes 32b13. The two holes 32b12 are disposed at positions facing the concave portion 32d in the front-rear direction, and communicate with the concave portions 32d, respectively. The three holes 32b13 are disposed at positions facing the concave portion 32e in the front-rear direction, and communicate with the concave portions 32e, respectively.

The guide plate 32b3 has a rectangular planar shape and protrudes forward from the lower end of the front wall 32b5 of the base portion 32b1. As shown in FIG. 5, the guide plate 32b3 is formed with a hole portion 32b8 penetrating in the thickness direction (vertical direction). The hole portion 32b8 is formed from the center in the front-rear direction of the guide plate 32b3 to the rear end. Three grooves 32b9 are formed in the front portion of the guide plate 32b3. The three grooves 32b9 are configured such that when the first base housing 31 and the second base housing 32 are assembled, the guide portion 31f2 is disposed in the groove 32b9. Further, the groove 32b9 extends in the front-rear direction, and the width in the left-right direction is formed to be slightly larger than the guide portion 31f2. By adopting the configuration of the guide plate 32b3 and the guide portion 31f2, the first base housing 31 and the second base housing 32 are assembled, and the first base housing 31 is easily moved in the front-rear direction with respect to the second base housing 32. .

As shown in FIG. 5, each of the guide sheets 32b4 protrudes forward from the left and right end portions of the front wall surface 32b5 of the base portion 32b1. The two guide sheets 32b4 disposed on the left and right sides, respectively, are arranged side by side in the up and down direction. When the first base housing 31 and the second base housing 32 are assembled, the four guide sheets 32b4 are inserted into the corresponding hole portions 31b2. Thereby, the first base housing 31 can be moved in the front-rear direction with respect to the second base housing 32. Further, at the distal end of each of the guide sheets 32b4, a hook 32b4a for preventing the fall-out is formed, and the guide sheet 32b4 is hard to fall off from the hole portion 31b2. The assembly portion 35 for assembling the first base housing 31 and the second base housing 32 is constituted by the guide plate 32b4 and the hole portion 31b2. By the assembly portion 35 and the first attachment portion 33, the first base housing 31 can be opposed from the first position shown in FIG. 9(a) to the second position shown in FIG. 9(b). The second base housing 32 is moved in the front-rear direction. First The first position is a position at which the rear wall 31b of the first base housing 31 is in contact with the base portion 32b1 of the second base housing 32, and the second position is that the rear wall 31b of the first base housing 31 is separated from the base portion 32b1 of the second base housing 32 and hooked. The position where 32b4a is in contact with the rear wall surface of the grooves 31c1, 31d1.

Further, as shown in FIG. 8, a gap 35a is formed between the guide plate 32b4 and the hole portion 31b2 in the left-right direction. By forming the gap 35a in this way, the first base housing 31 can move the distance of the gap 35a in the left-right direction with respect to the second base housing 32. Further, since the first base housing 31 is movable in the front-rear direction and the left-right direction, it is easy to incline in the left-right direction with respect to the second base housing. Therefore, it is easy to fit the fitting portion 13 of the receptacle connector 10 by the recess 36 of the base connector 30.

As shown in FIG. 6, the rear protruding portion 32c is formed to protrude rearward from the rear wall surface 32a2 of the base portion 32a. The rear protruding portion 32c has a substantially rectangular parallelepiped shape that is long in the left-right direction. Further, as shown in FIG. 1, the rear protruding portion 32c has a size slightly smaller than the long hole 305 of the mounting plate 303, and is configured to be insertable into the long hole 305. The opening 32d1 of the recess 32d and the opening 32e1 of the recess 32e are formed on the rear wall surface 32c1 of the rear projection 32c as shown in Fig. 6 . These recessed portions 32d and 32e extend in the front-rear direction and extend across the rear protruding portion 32c, the base portion 32a, and the front protruding portion 32b. As shown in FIGS. 6 and 7, the base contact 41 is inserted into each recess 32d from the opening 32d1, and a part (contact piece 41c1) of the contact portion 41c of the base contact 41 is exposed from the hole 32b12 to the outside of the second base housing 32. Further, the hole 32b12 is formed to be in contact with the contact piece 41c1 exposed from the hole 32b12 when the socket connector 10 is fitted to the base connector 30. The contact pieces 21b1 of the plug contact 21 oppose each other in the up and down direction. The three base contacts 45 are inserted into the recess 32e from the opening 32e1, and a part (contact piece 45b1) of the contact portion 45b of the base contact 45 is exposed from the hole 32b13 to the outside of the second base housing 32. Further, the hole 32b13 is formed such that when the receptacle connector 10 and the base connector 30 are fitted, the contact piece 45b1 exposed from the hole 32b13 and the contact piece 25c1 of the plug contact 25 oppose each other in the vertical direction. Further, the base contact 45 and the connector 50 connected to the signal line 49 shown in FIG. 6 are electrically connected. Further, the connecting portions 45a of the jigs 41a and 41b and the base contact 45 that are inserted into the base contact 41 fixed to the second base housing 32 are enclosed by the second elastic sealing member 32a4.

The second attachment portion 34 has a protruding portion 34a that protrudes in the left direction from the left wall surface of the base portion 32a, and a protruding portion 34b that protrudes rightward from the right wall surface of the base portion 32a. These protruding portions 34a and 34b project integrally from the left wall surface and the right wall surface of the base portion 32a, and are integrally formed with the base portion 32a. Holes (not shown) penetrating in the front-rear direction are formed in each of the protruding portions 34a and 34b. A well-known floating bush 34c having the same configuration as the above-described floating bush 33c is provided in the hole of each of the protruding portions 34a and 34b. In other words, the floating bush 34c also has a cylindrical portion disposed in the hole of the protruding portion 34a, 34b, and is formed at both ends of the cylindrical portion, and is disposed at a position sandwiching the protruding portions 34a, 34b from the front-rear direction. A pair of flange portions. The flange portion has an outer diameter larger than an inner diameter of the hole. The outer diameter of the cylindrical portion is such a size as to cause a gap between the outer peripheral wall surface of the cylindrical portion and the inner peripheral wall surface of the hole. The second base housing 32 is attached to the anchor by a screw (not shown) that passes through the floating bush 34c from the front and a nut (not shown) for mounting the screw. Plate 303. At this time, the second base housing 32 is attached to the mounting plate 303 in a state where the rear protruding portion 32c passes through the long hole 305 and the screw passes through the hole 306 of the mounting plate 303. By adopting such a configuration of the second attachment portion 34, it is possible to easily realize a configuration in which the second base housing 32 can be moved up and down and left and right with respect to the front surface 303a of the attachment plate 303. Further, as long as the second base housing 32 can be moved at least up and down and left and right with respect to the front surface 303a, a constituent member other than the floating bush 34c may be employed.

As shown in Fig. 10 (a), the base contact 41 is manufactured by punching and bending a conductive metal plate, and the cable 44 is connected to each other. Specifically, the base contact 41 has two pairs of jigs 41a and 41b (connecting portions), and the jigs 41a and 41b are crimped and fixed to the cable 44 by caulking in the covered region and the core region of the cable 44, respectively. The cable 44 is led rearward from the base contact 41. In other words, the current supply cable 44 is drawn in a direction orthogonal to the fitting direction (up-and-down direction) of the fitting portion 13 of the socket housing 11 and the recess 36 of the first base housing 31. Further, a contact portion 41c is formed by bending at a position forward of the pair of jigs 41a and 41b. The contact portion 41c has a contact piece 41c1 extending in the front-rear direction. The contact piece 41c1 is folded into a plate shape, and as shown in FIG. 5, it is exposed to the outside from the hole 32b12 in a state of being vertically erected. Thereby, when the fitting portion 13 is fitted into the recessed portion 36, the contact piece 41c1 of the base contact 41 projecting into the recessed portion 36 is sandwiched by the contact piece 21b1 of the plug contact 21, so that the two contact pieces 21b1, 41c1 are mutually connected Electrical connection between them.

As shown in FIG. 10(b), the base contact 45 is manufactured by punching and bending a conductive metal plate, and has a connecting portion 45a and a contact portion 45b. The connecting portion 45a is formed to extend in the front-rear direction and is erected in the left-right direction. When the connector 50 described above is mounted in the recess 32e, the connecting portion 45a is electrically connected to each contact (not shown) of the connector 50. At this time, the signal line 49 of the connector 50 is also led out from the connector 50. The contact portion 45b is connected to the connection portion 45a, and has a plate-shaped contact piece 45b1 extending in the front-rear direction. As shown in FIG. 5, the contact piece 45b1 is exposed to the outside from the hole 32b13 in a state of being vertically erected. Thereby, when the fitting portion 13 is fitted into the recess 36, the contact piece 45b1 of the base contact 45 projecting into the recess 36 is sandwiched by the contact piece 25c1 of the plug contact 25, so that the two contact pieces 25c1, 45b1 are mutually Electrical connection between them. Further, the upper ends of the contact pieces 41c1, 45b1 of the base contacts 41, 45 are located at substantially the same position in the vertical direction. Therefore, when the receptacle connector 10 is fitted into the base connector 30, the plug contact 21 and the base contact 41 are electrically connected first than the plug contact 25 and the base contact 45.

The operation of the first base housing 31 and the second base housing 32 when the socket connector 10 (the fitting portion 13) is fitted to the base connector 30 (the recess 36) will be described. The first base housing 31 is attached to the support plate 301 so as to be movable in the front-rear direction by the first attachment portion 33, and the first base housing 31 is configured to be movable in the front-rear direction with respect to the second base housing 32. Therefore, at the time of fitting of the two connectors 10, 30, even if the fitting portion 13 of the receptacle connector 10 is slightly offset in the front-rear direction with respect to the recess 36 of the base connector 30, the first base housing 31 also follows the fitting portion 13 in the front-rear direction so that the fitting portion 13 is fitted into the recess portion 36.

Further, a gap 35a is formed between the guide plate 32b4 and the hole portion 31b2, respectively. Therefore, even if the fitting portion 13 of the receptacle connector 10 is slightly displaced in the left-right direction with respect to the recessed portion 36, or the fitting portion 13 is slightly rotated about the axis extending in the up-and-down direction through the center of the fitting portion 13, the first The base housing 31 also moves along the fitting portion 13 with respect to the second base housing 32 such that the fitting portion 13 is fitted into the recess 36.

Further, the first base housing 31 is attached to the support plate 301 so as to be movable in the left-right direction by the first attachment portion 33, and the second base housing 32 is movable in the left-right direction by the second attachment portion 34. It is mounted on the mounting board 303. Therefore, even if the fitting portion 13 of the receptacle connector 10 is slightly displaced in the left-right direction with respect to the recessed portion 36, the second base housing 32 moves along the first base housing 31 along the fitting portion 13 in the left-right direction, so that the fitting is performed. The portion 13 is fitted to the recess 36. Further, since the first base housing 31 is movable in the left-right direction with respect to the second base housing 32, the base contacts 41, 45 are slightly displaced even if the insertion contacts 21, 25 and the base contacts 41, 45 are slightly displaced in the left-right direction. The plug contacts 21, 25 are also moved in the left-right direction together with the second base housing 32 so that the two contacts are in contact with each other. As a result, the base contacts 41, 45 and the plug contacts 21, 25 can be electrically connected smoothly.

As described above, according to the connector 100 described above, the base connector 30 is divided into the first base housing 31 and the second base housing 32, and the first base housing 31 can be connected to the socket housing 11 (fitting portion 13). The second base case 32 is configured such that the current supply cable 44 can be drawn in the front-rear direction orthogonal to the fitting direction (vertical direction). Therefore, the base connector 30 is not formed too long in the fitting direction, and can be downsized in the fitting direction. Further, since the cable 44 is taken out from the base connector 30 in the front-rear direction, it is also possible to contribute to miniaturization of the fitting direction of the power supply device to which the base connector 30 is attached. Further, since the first base housing 31 is configured to be movable in the front-rear direction and the left-right direction by the first attachment portion 33, the second attachment portion 34, and the assembly portion 35, when the base connector 30 is fitted to the receptacle connector 10, The socket housing 11 (the fitting portion 13) is easily fitted into the recess 36 of the first base housing 31. Thus, the connector 100 can be miniaturized in the fitting direction while achieving good fitting of the base connector 30 and the receptacle connector 10, and the size of the fitting direction of the device in which the connector 100 is mounted can be made small. Contribute.

Further, the assembly portion 35 is composed of a guide plate 32b4 and a hole portion 31b2, and a gap 35a exists between the guide plate 32b4 and the hole portion 31b2. Thereby, it is possible to easily realize a configuration in which the first base housing 31 can be moved in the front-rear direction and the left-right direction with respect to the second base housing 32. As a modification, the guide plate 32b4 may be formed in the first base case 31, and the hole portion 31b2 may be formed in the second base case 32. That is, the assembly portion 35 can be configured by the guide sheets 32b4 and the hole portions 31b2 which are replaced with each other.

Further, a first elastic sealing member 36b7 is provided on the outer peripheral wall surface of the support portion 32b2. The first elastic sealing member 36b7 includes a jig 41a, 41b of the base contact 41 and a connecting portion 45a of the base contact 45. Thereby, it is possible to suppress foreign matter such as liquid from the rear wall surface 32a2 and the safety The front surface 303a of the mounting plate 303 penetrates and is attached to the jigs 41a and 41b of the base contact 41 and the connecting portion 45a of the base contact 45.

Further, the plug contact 21 has a pair of contact pieces 21b1 capable of sandwiching the contact piece 41c1 of the base contact 41 from the left-right direction when the receptacle connector 10 is fitted to the base connector 30. Thereby, even when the receptacle connector 10 is fitted into the base connector 30, the contact piece 41c1 (contact portion 41c) of the base contact 41 and the contact piece 21b1 (contact portion 21b) of the plug contact 21 are offset in the front-rear direction. Move, and also get good contact without buffer.

Further, a third elastic sealing member 13b is provided on the outer peripheral wall surface of the fitting portion 13 of the socket housing 11. With this configuration, it is possible to prevent foreign matter such as liquid from entering between the fitting portion 13 and the inner peripheral wall surface of the recess 36 while the fitting portion 13 (the socket housing 11) and the recess portion 36 (the first base housing 31) are fitted. In the contact portions 21b, 25c, 41c, 45b.

The preferred embodiments of the present invention have been described above, but the present invention is not limited to the above-described embodiments, and various modifications can be made without departing from the scope of the invention. For example, in the above-described embodiment, the second base housing 32 is attached so as to be movable in the left-right direction with respect to the front surface 303a of the mounting portion 303 by the second mounting portion 34, but the second base housing 32 may not be movable. The ground is fixed on the front face 303a. Further, the gap 35a may not be provided between the guide plate 32b4 and the hole portion 31b2 constituting the assembly portion 35, so that the first base housing 31 can be configured to move only in the front-rear direction with respect to the second base housing 32. By the second mounting portion 34 and the assembling portion 35, the second base housing 32 can be configured to be movable in the left-right direction with respect to the front surface 303a and the first base housing 31, respectively.

Further, the first to third elastic sealing members 36b7, 32a4, and 13b described above may not be provided. Further, when the socket connector 10 is fitted into the base connector 30, the plug contact 21 can come into contact with the contact portion 41c of the base contact 41, and the contact portion 41c may not be contacted from the left-right direction.

10‧‧‧Socket connector

100‧‧‧Connector

11‧‧‧Socket housing

12‧‧‧Base section

13‧‧‧Mate

13c‧‧‧Guidance

13d‧‧‧The fall

14‧‧‧Protruding

15, 16‧‧ ‧ recess

15a, 16a‧‧‧ openings

17, 18 ‧ ‧ slit

19‧‧‧Installation Department

19a‧‧‧Protruding

19b‧‧‧Protruding

19c‧‧‧Floating bushing

21‧‧‧ Plug contacts

26‧‧‧ signal line

30‧‧‧Base connector

301‧‧‧Support board

301a‧‧‧Top (1st mounting surface)

303‧‧‧Installation board

303a‧‧‧ front (2nd mounting surface)

31‧‧‧1st base housing

31a‧‧‧上壁

31f1‧‧‧The fall

31f2‧‧‧Guide Department

32‧‧‧2nd base housing

32a‧‧‧Base section

32b‧‧‧Front protrusion

32b3‧‧‧ Guide plate

33‧‧‧First Installation Department

33a, 33b‧‧‧ highlights

33c‧‧‧Floating bushing

34‧‧‧Second Installation Department

34a, 34b‧‧‧ protruding parts

34c‧‧‧Floating bushing

35‧‧‧Assembly Department

36‧‧‧ recess

36a‧‧‧ Opening

Claims (7)

A connector comprising: a base connector and a socket connector, wherein the base connector includes an insulative first base housing having a recess opened in a first direction; and a first mounting portion for facing The first base case is attached to the first mounting surface in the first direction; the second base case is insulated; and the second mounting portion is mounted on the second mounting surface that is perpendicular to the first mounting surface. a base housing; the assembly portion, the first base housing and the second base housing being assembled to be movable in a second direction perpendicular to the second mounting surface; and the conductive base contact having the second portion a direction protruding from the contact portion in the recess and a connection portion connected to the cable drawn in the second direction, and being housed in the second base housing, the socket connector comprising: an insulating socket housing capable of The first base housing is fitted; and the conductive plug contact is received in the socket housing, and the plug contact can be inserted into the socket housing and the first base housing The contact portion, the first mounting portion configured such that the first housing relative to the base mounting surface capable of at least a first direction and the second direction with respect to The third direction in which the first and second directions are orthogonal to each other, and at least one of the second mounting portion and the assembly portion is configured such that the second base housing is opposed to the second mounting surface and the first base housing It is possible to move in the aforementioned third direction. The connector of claim 1, wherein: the assembly portion is constituted by a guide plate and a hole portion, and the guide plate is opposed to the other base case from one of the first base case and the second base case The end surface protrudes in the second direction, and the hole portion is formed in the other base housing, and the guide plate is inserted when the two base housings are assembled, and the guide plate and the inner circumference of the hole portion are formed in the third direction. There is a gap between the walls. The connector of claim 1 or 2, wherein the second base housing has a support portion that protrudes from the end surface facing the first base housing in the second direction and supports the base contact, the first base housing a hole portion that communicates with the recessed portion and is inserted through the support portion when the first and second base housings are assembled, and an inner peripheral wall surface that fills the support portion and the hole portion is provided around the support portion The first elastic sealing member between the gaps. The connector of claim 1 or 2, wherein the second mounting portion is configured to move the second base housing at least in the third direction with respect to the second mounting surface. The connector of claim 4, wherein an annular second elastic portion is formed in an end surface of the second base casing facing the second mounting surface to fill a gap between the end surface and the second mounting surface. In the sealing member, the second elastic sealing member is disposed so as to be able to enclose the connecting portion of the base contact. The connector of claim 1 or 2, wherein the plug contact has a contact portion that contacts the contact portion from the third direction when the socket housing is fitted to the first base housing. The connector of claim 1 or 2, wherein the socket housing is provided with a ring shape for filling a gap between the socket housing and an inner peripheral wall surface of the recess when the socket housing is fitted to the first base housing The third elastic sealing member.