JP5002481B2 - connector - Google Patents

Description

  The present invention relates to a connector having a vibration-resistant structure.

  A wide variety of electronic devices are mounted on automobiles as moving bodies. For this reason, the said automobile has wired the wire harness in order to transmit electric power, a control signal, etc. to the said electronic device. The wire harness includes a plurality of electric wires and a connector. The electric wire is a so-called covered electric wire including a conductive core wire and an insulating covering portion that covers the core wire. And these electronic devices and a wire harness are connected when the connector with which each was equipped fits.

  As the above-described connector, for example, a connector including a terminal fitting, a connector housing that accommodates the terminal fitting, and a seal member is used (see, for example, Patent Document 1). The terminal fitting is made of a conductive sheet metal and is electrically connected to the core wire of the electric wire.

  The connector housing is made of an insulating synthetic resin and has a box-shaped main body portion that accommodates terminal fittings, a cylindrical portion that is provided outside the main body portion and spaced from the main body portion, these main body portions, and And a wall portion that connects end portions on the distal side in the intrusion direction of the mating connector housing of the cylindrical portion.

  The seal member is made of an elastic material such as rubber and protrudes in the outer peripheral direction from the seal main body portion formed in a cylindrical shape along the outer periphery of the main body portion described above and one end portion on the wall side of the seal main body portion described above. And an annular contact portion. This seal member is attached to the outer periphery of the main body of the connector housing.

In the connector described above, the mating connector housing enters between the connector housing main body and the cylinder, and the sealing member is connected to the outer peripheral surface of the connector housing main body and the inner peripheral surface of the mating connector housing. The connector housing and the mating connector housing are fitted to each other. The seal member is pressed against the wall of the connector housing against the distal end of the mating connector housing, and the outer peripheral surface of the main body of the connector housing and the inner circumferential surface of the mating connector housing. Keep water tight.
JP 2006-59569 A

  However, in the connector disclosed in Patent Document 1 described above, the seal member is positioned between the outside of the main body of the connector housing and the inside of the mating connector housing. For this reason, when a clearance (meaning a gap) is set in advance between the tubular portion of the connector housing and the mating connector housing in consideration of workability problems and manufacturing dimensional tolerances, the connector housing There has been a problem that rattling occurs between the cylindrical portion of the connector and the mating connector housing.

  In particular, when the cylindrical portion of the connector housing and the mating connector housing are formed in a rectangular tube shape, the clearance (gap) between the cylindrical portion of the connector housing and the four corner portions of the mating connector housing is large. As a result, there was a problem that the amount of backlash was increased accordingly. The rattling may cause the contact of the terminal fitting to wear and cause conduction failure. In the worst case, the terminal fitting may be damaged.

  Accordingly, an object of the present invention is to provide a connector that can prevent backlash between the terminal metal fittings by preventing rattling between the connector housing and the mating connector housing with a simple structure.

  In order to solve the above-described problems and achieve the object, the invention described in claim 1 includes a cylindrical portion that is formed in a rectangular tube shape and into which a mating connector housing of a rectangular tube shape enters, and in the cylindrical portion. A box-shaped main body portion that accommodates the terminal fitting, and a connecting portion that connects ends of the cylindrical portion and the main body portion at the front end side of the mating connector housing. In a connector comprising: a connector housing; and a seal member that is made of an elastic material and is attached to the main body portion and keeps a watertight space between the outer peripheral surface of the main body portion and the inner peripheral surface of the mating connector housing. The seal member is formed in a rectangular tube shape that is formed in a rectangular tube shape along the outer periphery of the main body portion, and is formed in a square ring shape that protrudes in an outer peripheral direction from one end portion of the seal body on the connection portion side, and the counterpart side Connector C And a protrusion that protrudes from a surface of the flange opposite to the connecting portion, at least one corner of the flange. It is a connector characterized by being provided in.

  The invention described in claim 2 is characterized in that, in the invention described in claim 1, the protrusion is formed on an outer peripheral portion of the flange portion.

  According to the invention described in claim 1, the seal member is a rectangular tube-shaped seal main body along the outer periphery of the main body portion, and an angular ring shape protruding in the outer peripheral direction from one end portion on the coupling portion side of the seal main body, and And a protrusion that protrudes from a surface facing the connecting portion of the flange portion at at least one corner of the flange portion. Therefore, when the connector housing is mated with the mating connector housing and the tip of the mating connector housing presses the buttocks of the seal member, the protrusion is the connecting portion between the buttocks and the connector housing. And is elastically deformed so as to extend in the outer peripheral direction of the flange. For this reason, the gap generated between the corner of the cylindrical portion of the connector housing and the corner of the flange portion of the seal member can be filled by the protrusion.

  According to the second aspect of the present invention, since the protrusion is formed on the outer peripheral portion of the flange portion, the connector housing and the mating connector housing are fitted, and the tip of the mating connector housing When the portion presses the flange portion of the seal member, the protrusion can be easily elastically deformed so as to extend in the outer peripheral direction of the flange portion.

  As described above, when the connector housing and the mating connector housing are fitted together and the tip of the mating connector housing presses the flange of the seal member, In addition, the protrusion is crushed between the flange and the connecting portion of the connector housing, and is elastically deformed so as to extend in the outer peripheral direction of the flange. A gap formed between the corners of the flange portion of the seal member can be filled.

  For this reason, it is possible to suppress the backlash between the seal member and the connector housing, and thus it is possible to suppress the back end of the mating connector housing from rattling between the cylindrical portion and the main body portion of the connector housing. Therefore, the backlash between the connector housing and the mating connector housing can be suppressed with a simple structure, and conduction failure due to wear of the terminal fittings can be prevented.

  According to the second aspect of the present invention, when the connector housing and the mating connector housing are fitted, and the tip of the mating connector housing presses the collar of the seal member, It is possible to facilitate elastic deformation so as to extend in the outer peripheral direction of the portion.

  For this reason, it is possible to reliably suppress the backlash between the seal member and the connector housing, and thus it is possible to reliably prevent the front end portion of the mating connector housing from rattling between the cylindrical portion and the main body portion of the connector housing. be able to. Therefore, rattling between the connector housing and the mating connector housing can be reliably suppressed.

  A connector according to a first embodiment of the present invention will be described below with reference to FIGS. The connector 1 according to the first embodiment of the present invention is fitted with a mating connector 2 shown in FIG. 4 to constitute a wire harness routed in an automobile or the like.

  The mating connector 2 includes a plurality of male terminals 3 as male terminal fittings indicated by dotted lines in FIG. 4 and a male connector housing (hereinafter referred to as a male housing) 4.

  Each of the plurality of male terminals 3 is made of a conductive sheet metal or the like, and integrally includes an electric wire connecting portion (not shown) connected to an electric wire (not shown) and a male tab 3a. The male tab 3a is formed in a rod shape extending linearly. When the male housing 4 and a female housing 5 to be described later are fitted, the male tab 3 a enters the terminal accommodating chamber 22 from the hole 23 of the main body 13 of the female housing 5 and enters the terminal accommodating chamber 22. Electrically and mechanically connected to the female terminal.

  The male housing 4 is made of an insulating synthetic resin and includes a plurality of outer walls 10 and is formed in a rectangular tube shape. The male housing 4 accommodates the male terminal 3. The male housing 4 is provided with a lock projection (not shown) and a plurality of guide ribs 11 (shown in FIG. 6).

  The lock protrusion is formed so as to protrude from the outer wall 10 of the male housing 4 to the outside of the male housing 4. The lock protrusion engages with a through hole 18 a of a lock arm 16 provided in a cylinder portion 12 described later of the female housing 5, thereby maintaining the fitting between the male housing 4 and the female housing 5.

  As shown in FIG. 6, the plurality of guide ribs 11 are formed so as to protrude from the outer wall 10 of the male housing 4 to the outer direction of the male housing 4, and the fitting direction of the male housing 4 and the female housing 5. It extends along K (shown in FIG. 4). The plurality of guide ribs 11 are arranged in parallel to each other. The plurality of guide ribs 11 penetrates into a guide recess 19 of a cylindrical portion 12 (described later) of the female housing 5 to fit the male housing 4 and the female housing 5 in the correct orientation.

  The above-described arrow K (shown in FIG. 4) indicates a direction in which the female housing 5 and the male housing 4 are close to each other and the direction in which they are fitted to each other. And the male housing 4 of the structure mentioned above is corresponded to the other party connector housing as described in a claim.

  As shown in FIG. 1, the connector 1 includes a female terminal fitting (not shown) (hereinafter referred to as a female terminal), a female connector housing (hereinafter referred to as a female housing) 5, and a seal member 6. I have.

  The female terminal is made of conductive sheet metal or the like, and integrally includes an electric wire connecting portion connected to the electric wire and an electric contact portion connected to the male tab 3a of the male terminal 3 described above. The female terminal is electrically connected to the male terminal 3 of the male housing 4 when the male housing 4 and the female housing 5 described above are fitted. This female terminal corresponds to the terminal fitting described in the claims.

  The female housing 5 is formed of an insulating synthetic resin or the like, and as shown in FIG. 1, a cylindrical portion 12 formed in a cylindrical shape on the outside, and a main body portion 13 accommodated in the cylindrical portion 12. The connecting portion 14 for connecting the cylindrical portion 12 and the main body portion 13 is provided. The female housing 5 corresponds to the connector housing described in the claims.

  As shown in FIG. 1 or FIG. 4, the tube portion 12 includes a peripheral wall 15 and is formed in a rectangular tube shape. The cylindrical portion 12 has an end portion 15 a on the side facing the male housing 4 of the peripheral wall 15 that opens to the outer surface of the cylindrical portion 12, that is, the female housing 5. The cylindrical portion 12 accommodates the main body portion 13 therein, and an inner peripheral surface 15 c of the peripheral wall 15 is arranged with a space from an outer peripheral surface 21 a described later of the main body portion 13. The cylinder portion 12 is provided with a lock arm 16 and a guide recess 19.

  As shown in FIG. 1 and FIG. 4, the lock arm 16 includes an upright portion 17 erected from the other end portion 15 b of the peripheral wall 15 of the cylindrical portion 12 on the side away from the male housing 4, and the upright portion 17. The arm portion 18 is provided integrally with an end portion on the side away from the peripheral wall 15 and extending in the direction from the other end portion 15b of the cylindrical portion 15 toward the one end portion 15a. The arm portion 18 is provided with a through hole 18a. The lock arm 16 holds the fitting between the male housing 4 and the female housing 5 by engaging the lock projection of the male housing described above with the through hole 18 a of the arm portion 18.

  As shown in FIG. 1 or FIG. 6, the guide concave portion 19 is formed in a concave shape from the inner peripheral surface 15 c of the peripheral wall 15 of the cylindrical portion 12. The guide recess 19 extends along the fitting direction K between the male housing 4 and the female housing 5. The guide rib 11 of the male housing 4 described above enters the guide recess 19 to fit the male housing 4 and the female housing 5 in the correct orientation.

  As shown in FIG. 1 or FIG. 4, the main body 13 has a relative wall 20 provided with a plurality of holes 23 through which the male tabs 3 a of the male terminals 3 of the male housing 4 described above are provided and an outer edge of the relative wall 20. It is formed in a substantially rectangular box shape having a peripheral wall 21 provided. The main body 13 is provided with a plurality of terminal accommodating chambers 22 therein. The main body 13 accommodates the female terminal described above in each terminal accommodating chamber 22.

  Each of the plurality of terminal accommodating chambers 22 is a linear space provided in the main body 13, and the longitudinal direction is formed in parallel with the fitting direction K between the male and female housings 4, 5. Each of the plurality of terminal accommodating chambers 22 has an opening in the longitudinal direction on the outer surface of the main body 13, that is, the female housing 5. The plurality of terminal accommodating chambers 22 are arranged in parallel to each other. A locking lance (not shown) that is flexible and can be locked to the female terminal is provided on the inner surface of the terminal accommodating chamber 22. The locking lance is locked to the female terminal and restricts the female terminal from coming out of the terminal accommodating chamber 22.

  As shown in FIG. 4, the connecting portion 14 is formed in a flat plate shape having a substantially rectangular plane, and is provided on the side away from the male housing 4 of the cylindrical portion 12 and the main body portion 13. The connecting portion 14 connects the other end portion 15 b of the peripheral wall 15 of the cylindrical portion 12 and an end portion 21 b on the side away from the relative wall 20 of the peripheral wall 21 of the main body portion 13.

  In the female housing having the above-described configuration, a space S is formed between the cylinder portion 12 in which the end portions 15b and 21b are connected by the connecting portion 14 and the main body portion 13 as shown in FIG. In this space S, the distal end portion 10 a of the outer wall 10 of the male housing 4 enters in parallel with the peripheral wall 15 of the cylindrical portion 12 and the peripheral wall 21 of the main body portion 13.

  As shown in FIGS. 1 to 3, the seal member 6 is made of an elastic material such as rubber, and is located on the side away from the relative wall 20 of the peripheral wall 21 of the main body 13, that is, the end 21 b on the connecting portion 14 side. (It is provided at the end portion on the side away from the male housing 4 to be fitted). The seal member 6 integrally includes a seal main body 25 provided so as to cover the outer periphery of the peripheral wall 21 of the main body portion 13 and a flange portion 26 protruding in the outer peripheral direction from one end portion 25a of the seal main body 25 on the connecting portion 14 side. In preparation.

  The seal main body 25 is formed in a rectangular tube shape along the outer periphery of the peripheral wall 21 of the main body portion 13. The seal main body 25 passes through the main body portion 13 inside. That is, the seal body 25 is attached to the outer peripheral surface 21 a of the peripheral wall 21 over the entire periphery of the peripheral wall 21 of the main body portion 13.

  The other end portion 25 b of the main body 13 of the seal body 25 on the side of the relative wall 20 has a plurality of annular protrusions extending along the axial direction of the seal body 25 from the outer peripheral surface and the inner peripheral surface of the seal main body 25. It is formed to do. The other end portion 25b of the seal body 25 is connected to the peripheral wall of the main body portion 13 when the seal main body 25 of the seal member 6 is positioned between the peripheral wall 21 of the main body portion 13 and the outer wall 10 of the male housing 4 described above. The outer peripheral surface 21a of the male housing 21 and the inner peripheral surface 10b of the outer wall 10 of the male housing 4 are in close contact with each other, and the space between the outer peripheral surface 21a and the inner peripheral surface 10b is kept watertight.

  The flange portion 26 is formed in a rectangular ring shape projecting from the one end portion 25a on the coupling portion 14 side of the seal body 25 in the outer circumferential direction. When the male and female housings 4 and 5 are fitted to each other, the flange portion 26 is pressed against the distal end portion 10a of the outer wall 10 of the male housing 4 so that the gap between the outer wall 10 of the male housing 4 and the connecting portion 14 is increased. Sandwiched between. Further, the flange portion 26 is provided with a protrusion 30 that is formed so as to protrude from a surface 26 a facing the connecting portion 14 of the flange portion 26.

  The protrusion 30 has a substantially circular plane and a circular cross section. A plurality of protrusions 30 (four in the illustrated example) are provided. The plurality of protrusions 30 are respectively arranged at the four corners of the surface 26 a facing the connecting portion 14 of the flange portion 26, that is, the four corners 27. The plurality of protrusions 30 are formed on the outer peripheral portion 26 b of the surface 26 a of the flange portion 26.

  As shown in FIG. 5, when the male and female housings 4 and 5 are fitted to each other, the seal body 25 is configured so that the seal main body 25 is the outer wall 10 of the male housing 4 and the peripheral wall 21 of the main body 13 of the female housing 5. The other end portion 25b of the seal body 25 is closely attached to both the inner peripheral surface 10b of the outer wall 10 of the male housing 4 and the outer peripheral surface 21a of the main body portion 13 of the female housing 5, The inner peripheral surface 10b and the outer peripheral surface 21a are kept watertight.

  Further, as shown in FIG. 7, the flange part 26 of the seal member 6 is pressed against the distal end part 10 a of the outer wall 10 of the male housing 4 toward the connecting part 14 of the female housing 5, and a plurality of the flange parts 26 are arranged. The protrusion 30 is crushed between the flange 26 and the connecting portion 14 of the female housing 5.

  Then, as shown in FIG. 8, the plurality of protrusions 30 are elastically deformed so as to extend in the outer circumferential direction of the flange portion 26, and the corners of the cylindrical portion 12 of the female housing 5 and the corners of the flange portion 26 of the seal member 6. The gap C is entered into the gap C to fill the gap C. Thus, the protrusion 30 of the flange portion 26 fills the gap C, thereby preventing the front end portion 10a of the outer wall 10 of the male housing 4 from rattling between the cylindrical portion 12 and the main body portion 13 of the female housing 4.

  When the female housing 5 of the connector 1 configured as described above and the male housing 4 of the mating connector 2 are fitted, first, as shown in FIG. 4, before the female housing 5 and the male housing 4 are fitted. In addition, the seal member 6 is inserted into the space S between the cylindrical portion 12 and the main body portion 13 of the female housing 4 in advance, and the seal member 6 is attached to the outer periphery of the peripheral wall 21 of the main body portion 13.

  Next, as shown in FIG. 4, the female housing 5 of the connector 1 is opposed to the male housing 4 of the mating connector 2. Then, the outer wall 10 of the male housing 4 is inserted into the space S between the cylindrical portion 12 and the main body portion 13 of the female housing 5. Then, the arm portion 18 of the lock arm 16 provided on the cylindrical portion 12 of the female housing 5 comes into contact with the lock protrusion of the male housing 4, and the arm portion 18 is elastically deformed and pushed up by the lock protrusion.

  When the male housing 4 and the female housing 5 are further brought closer to each other, as shown in FIG. 5, the distal end portion 10 a of the outer wall 10 of the male housing 4 is located between the peripheral wall 15 of the cylindrical portion 12 and the seal body 25 of the seal member 6. The distal end portion 10 a comes into contact with the flange portion 26 of the seal member 6, and the arm portion 18 of the lock arm 16 is further pushed up by the lock protrusion of the male housing 4.

  Then, the arm portion 18 of the lock arm 16 gets over the lock projection, and the lock projection enters and engages with the through hole 18a of the arm portion 18. At this time, as shown in FIG. 7, the distal end portion 10 a of the outer wall 10 of the male housing 4 presses the flange portion 26 of the seal member 6 toward the connecting portion 14 of the female housing 5.

  Then, as shown in FIG. 8, the plurality of protrusions 30 of the collar part 26 are crushed between the collar part 26 and the connecting part 14 of the female housing 5 so as to extend in the outer peripheral direction of the collar part 26. The outer wall 10 of the male housing 4 is elastically deformed and enters the gap C between the corner of the cylindrical portion 12 of the female housing 5 and the corner 27 of the flange portion 26 of the seal member 6 to fill the gap C. The front end portion 10 a is prevented from rattling between the cylindrical portion 12 and the main body portion 13 of the female housing 4.

  Thus, the female housing 5 of the connector 1 and the male housing 4 of the mating connector 2 are fitted.

  According to the present embodiment, the seal member 6 is a rectangular tube-shaped seal body 25 extending along the outer periphery of the main body 13 and an angular ring shape protruding in the outer peripheral direction from the one end 25 a on the connecting portion 14 side of the seal body 25. And a flange portion 26 that is pressed against the distal end portion 10 a of the outer wall 10 of the male housing 4, and protrudes from each face 27 of the flange portion 26 from a surface 26 a facing the connecting portion 14 of the flange portion 26. The protruding portion 30 is provided.

  For this reason, when the female housing 5 and the male housing 4 are fitted and the front end portion 10 a of the outer wall 10 of the male housing 4 presses the flange portion 26 of the seal member 6, the protrusion of each corner of the flange portion 26 is projected. Since the portion 30 is crushed between the flange portion 26 and the connecting portion 14 of the female housing 5 and elastically deforms so as to extend in the outer peripheral direction of the flange portion 26, the female housing 5 is supported by the plurality of protrusions 30. The gap C formed between the corner of the cylindrical portion 12 and the corner 27 of the flange portion 26 of the seal member 6 can be filled.

  Therefore, rattling between the seal member 6 and the female housing 5 can be suppressed, and rattling of the distal end portion 10a of the outer wall 10 of the male housing 4 between the cylindrical portion 12 and the main body portion 13 of the female housing 5 can be suppressed. be able to. Therefore, rattling between the female housing 5 and the male housing 4 can be suppressed with a simple structure, and conduction failure due to wear of the female terminals and the male terminals 3 can be prevented.

  Further, since the protrusion 30 is formed on the outer peripheral portion 26 b of the flange portion 26, the female housing 5 and the male housing 4 are fitted, and the distal end portion 10 a of the outer wall 10 of the male housing 4 is the seal member 6. When the flange portion 26 is pressed, the plurality of protrusions 30 of the flange portion 26 can be easily elastically deformed so as to extend in the outer peripheral direction of the flange portion 26.

  For this reason, rattling between the seal member 6 and the female housing 5 can be reliably suppressed, and the distal end portion 10 a of the outer wall 10 of the male housing 4 is rattled between the cylindrical portion 12 and the main body portion 13 of the female housing 5. This can be reliably suppressed. Therefore, rattling between the female housing 5 and the male housing 4 can be reliably suppressed.

  In the present embodiment described above, in the connector 1, the protrusions 30 provided at the respective corners 27 of the flange portion 26 of the sealing member 6 have a substantially circular plane and a circular cross section. However, in the present invention, as shown in FIGS. 9 and 10, the protrusions provided at the respective corners 27 of the flange portion 26 may be formed in a flat plate shape having a fan-like plane. 9 and 10, the same parts as those of the above-described embodiment are denoted by the same reference numerals and description thereof is omitted.

  7 to 10, the seal member 6 ′ of the connector 1 has a plurality of protrusions 30 ′ provided at each corner 27 of the surface 26 a facing the connecting portion 14 of the female housing 5 of the flange portion 26. The plane is formed in a fan-shaped flat plate shape. The plurality of protrusions 30 ′ are formed on the outer peripheral portion 26 b of the surface 26 a of the flange portion 26.

  As described above, according to the cases shown in FIGS. 7 to 10, the plurality of protrusions 30 ′ provided at each corner 27 of the surface 26 a facing the connecting portion 14 of the flange portion 26 of the seal member 6 ′ are planar. Since the female housing 5 and the male housing 4 are fitted and the tip 10a of the outer wall 10 of the male housing 4 presses the flange 26 of the seal member 6 because the fan-shaped flat plate is formed. The plurality of protrusions 30 of the flange portion 26 can be further elastically deformed so as to extend in the outer peripheral direction of the flange portion 26, and thus the rattling between the seal member 6 and the female housing 5 can be further reliably suppressed. be able to.

  In the above-described embodiment, the protrusions 30 and 30 ′ are provided at the four corners 27 of the flange portion 26 of the seal members 6 and 6 ′. However, in the present invention, it is needless to say that the protrusions 30 and 30 ′ are provided on at least one corner 27 of the flange portion 26 of the seal member 6 and 6 ′.

  In addition, embodiment mentioned above only showed the typical form of this invention, and this invention is not limited to embodiment. That is, various modifications can be made without departing from the scope of the present invention.

It is a disassembled perspective view which shows the connector concerning embodiment of this invention. It is a perspective view which shows the sealing member of the connector shown by FIG. FIG. 3 is a front view of the seal member shown in FIG. 2. It is sectional drawing which shows the state with which the connector housing of the connector shown by FIG. 1 and the other party connector housing were opposite. It is sectional drawing which shows the state which the connector housing shown by FIG. 4 and the other party connector housing fitted. It is sectional drawing which follows the VI-VI line in FIG. FIG. 7 is a partial cross-sectional view of the connector housing shown in FIG. 6 and a mating connector housing in the middle of fitting along the line XX. FIG. 5 is a partial cross-sectional view of the connector housing and the mating connector housing in the state shown in FIG. 4 taken along line XX. It is a perspective view which shows the modification of the protrusion of the sealing member shown by FIG. FIG. 10 is a front view of the seal member shown in FIG. 9.

Explanation of symbols

1 Connector 4 Male housing (mating connector housing)
5 Female housing (connector housing)
6 Seal member 6 'Seal member 10 Outer wall 10a Tip portion 10b Inner peripheral surface 12 Tube portion 13 Body portion 14 Connection portion 15b Other end portion (end portion)
21a outer peripheral surface 21b end portion 25 seal body 25a one end portion 26 flange portion 26a surface 26b outer peripheral portion 30 protruding portion 30 ′ protruding portion

Claims (2)

A cylindrical portion that is formed into a rectangular tube shape and into which a mating connector housing on the other side of the rectangular tube shape enters, a box-shaped main body portion that is accommodated in the cylindrical portion and accommodates a terminal fitting, and the cylindrical portion and the main body A connector housing comprising: a connecting portion that connects end portions in the intrusion direction tip side of the mating connector housing with a portion; and
In a connector comprising an elastic material and attached to the main body portion and maintaining a watertightness between the outer peripheral surface of the main body portion and the inner peripheral surface of the mating connector housing,
The seal member is formed in a rectangular tube shape that is formed in a rectangular tube shape along the outer periphery of the main body portion, and is formed in a rectangular ring shape that protrudes in an outer peripheral direction from one end portion on the coupling portion side of the seal main body, and And a flange that is pressed against the tip of the connector housing,
The connector according to claim 1, wherein a protrusion projecting from a surface of the flange portion facing the connecting portion is provided at at least one corner of the flange portion.   The connector according to claim 1, wherein the protrusion is formed on an outer peripheral portion of the flange portion.

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