JP2014203774A - Waterproof connector - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a waterproof connector in which a seal member and a holder are jointed without a complicated structure.SOLUTION: A waterproof connector comprises: a housing 10; a seal member 60 arranged so as to be in contact with a front surface of the housing 10; and a front holder 40 arranged so as to be in contact with a front surface of the seal member 60. The front holder 40 is in contact with the seal member 60 at a contacting face 52 provided with a rib 53 extending along a face direction. The rib 53 is provided with a slip off preventive protrusion 54 at a position away from the contacting face 52, protruding in an intersectional direction to a direction of the rib 53 projecting. A surface of the seal member 60 is provided with a rib receiver 63 into which the rib 53 is inserted. The rib receiver 63 is provided with a slip off prevention receiver 64 at a position away from the surface of the seal member 60, having a concaved shape in an intersectional direction to an insertion direction of the rib 53 so that the slip off prevention protrusion 54 is inserted into the slip off prevention receiver 64 to be prevented from slipped off.

Description

  The present invention relates to a waterproof connector.

  The waterproof connector disclosed in Patent Document 1 includes a block-shaped female housing having a cavity, and a cap-shaped holder that is attached to the female housing and integrated with a seal member by insert molding. When the holder is mounted on the female housing, the seal member is pressed against the front surface of the female housing, and the seal member is sandwiched between the holder and the female housing. A terminal fitting is inserted into the cavity of the housing from the rear, and the terminal fitting is electrically connected to the male terminal attached to the male housing as the female housing is fitted to the mating male housing from the front. . Further, in a state where the female housing is fitted with the male housing, a seal projection provided on the male housing is inserted into a through hole (seal hole) of the seal member in a liquid-tight manner.

JP 2003-297479 A

  In the above case, since the seal member and the holder are integrated by insert molding, in addition to requiring a complicated mold for insert molding, the equipment becomes large and the cost is high. is there. On the other hand, without performing insert molding, a convex portion is provided on one of the holder and the seal member, a concave portion is provided on the other, and the convex portion and the concave portion are fitted into the concave and convex portions, so that the holder and the sealing member Can also be assembled. However, in this case, when a convex portion and a concave portion are newly provided, the configuration becomes complicated accordingly, which is not preferable.

  The present invention has been completed based on the above circumstances, and an object thereof is to assemble a seal member and a holder without causing complication of the configuration.

  The present invention has a cavity that extends in the front-rear direction and opens on both front and rear surfaces, and is disposed in contact with one of the housing in which the terminal fitting is inserted into the cavity and the front and rear surfaces of the housing, A seal member having a seal hole extending in the front-rear direction at a position communicating with the cavity and opening on both front and rear surfaces; and abutting on one of the front and rear surfaces of the seal member; A holder that sandwiches a seal member, and a contact surface that contacts the one surface of the seal member in the holder is provided with a rib extending along a surface direction. A retaining protrusion that protrudes in a direction intersecting the protruding direction of the rib from the contact surface at a position spaced from the contact surface is provided, and the one of the seal members Is provided with a rib receiving portion into which the rib is inserted, and the rib receiving portion is recessed in a direction intersecting the insertion direction of the rib at a position separated from the one surface of the seal member. It is characterized in that a retainer receiving portion into which the retainer protrusion is inserted in a state of retaining is provided.

  By inserting the rib of the holder into the rib receiving portion of the seal member and inserting the retaining protrusion into the retaining member in a retaining state, the seal member is assembled to the holder without performing insert molding. In this case, since the retaining protrusion is provided on the rib and the rib extends along the surface direction of the contact surface of the holder, the holder is reinforced by the rib. Therefore, the retaining structure in which the seal member is retained by the holder and the reinforcing structure of the holder are shared by the ribs, and the structure is simplified compared to the case where both structures are provided separately. Is done.

It is sectional drawing of the waterproof connector which concerns on Example 1 of this invention. It is sectional drawing which shows the state by which the housing was normally fitted with the other party housing. It is a front view of a front holder. It is a rear view of a front holder. It is a top view of a front holder. It is a side view of a front holder. It is sectional drawing of the front holder with which the sealing member was assembled | attached. It is a front view of a sealing member. It is a front view of a housing. It is a top view of a housing. It is a bottom view of a housing. It is a disassembled perspective view of a waterproof connector.

Preferred embodiments of the present invention are shown below.
The holder is configured as a front holder that abuts against the front surface of the housing and prevents the seal member from slipping forward, and the rib and the retaining protrusion are provided on the front holder. As a result, the front holder is reinforced by the ribs, and the seal member is retained by the front holder.

  The contact surface of the holder is a substantially rectangular surface having four corners, and the retaining protrusion is disposed at a position corresponding to a center side region and a four corner side region of the contact surface. ing. Accordingly, the seal member is prevented from being displaced in the surface direction with respect to the contact surface of the holder, and the sealing performance of the seal member is kept stable.

  The rib receiving portion and the retaining member are not open on the other surface of the seal member opposite to the one surface. This prevents the sealing performance of the sealing member from being deteriorated due to the formation of the rib receiving portion and the retaining member.

  The holder has a substantially rectangular outer shape having four sides, and each of the four sides of the holder is provided with a lock portion that can be engaged with a corresponding lock receiving portion of the housing. Thereby, a sealing member is stably hold | maintained between a holder and a housing.

<Example 1>
A first embodiment of the present invention will be described with reference to FIGS. The waterproof connector according to the first embodiment includes a housing 10, a front holder 40 (holder) attached to the housing 10, and a seal member 60 that is assembled to the front holder 40 and contacts the front surface (one surface) of the housing 10. I have. The housing 10 can be fitted into a mating housing 80 on the mating side. In the following description, in the front-rear direction, the fitting surface side of each of the housings 10 and 80 is the front.

  The mating housing 80 is made of a synthetic resin and is configured as a male housing. As shown in FIG. 2, a substantially rectangular tube-shaped hood portion 81 that opens to the front, and a mounting that is disposed at the lower rear end of the hood portion 81. Plate 82. In the present embodiment, the mating housing 80 is attached to the printed circuit board 90.

A plurality of male terminals 84 are mounted on the back wall 83 of the hood portion 81 by insert molding. Each male terminal 84 is substantially L-shaped, and a horizontal portion on the front end side is disposed so as to protrude into the hood portion 81, and a vertical portion on the rear end side penetrates the mounting plate 82 in a positioned state to the printed circuit board 90. Soldered and connected.
A lock projection 85 is provided at a position near the front end of the upper surface of the hood portion 81. A plurality of seal projections 86 are provided on the rear end surface of the hood portion 81 (the front surface of the rear wall 83). Each seal projection 86 is formed in a cylindrical shape surrounding the base end side of each male terminal 84 in the protruding direction into the hood 81, and is provided for each male terminal 84.

  The housing 10 is made of a synthetic resin and is configured as a female housing, and has a block shape that can be fitted into the hood portion 81 of the mating housing 80. Specifically, as shown in FIG. 9, the housing 10 includes an upper surface 11 and a lower surface 12 that extend long in the width direction (left-right direction in FIG. 9), and a pair of side surfaces that extend short in the height direction (up-down direction in FIG. 9). 13 is a substantially rectangular shape in front view with the outer surface partitioned. A plurality of cavities 14 are provided in the housing 10. As shown in FIG. 1, each cavity 14 is configured to extend in the front-rear direction and open on both front-rear surfaces of the housing 10. A lance 15 projects from the lower surface of the inner wall of each cavity 14. The lance 15 can be bent and deformed toward the lower bending space 16. A terminal fitting 17 is inserted into each cavity 14 of the housing 10 from the rear, and the normally inserted terminal fitting 17 is elastically locked to the lance 15 so as to be prevented from falling into the cavity 14. Yes. Further, an insertion port 18 into which a locking release jig can be inserted is provided in front of the bending space 16 on the front surface of the housing 10.

  The terminal fitting 17 is configured as a female terminal, and is formed into a shape that is elongated in the front-rear direction by bending a conductive metal plate or the like. As shown in FIG. 1, the terminal fitting 17 includes a cylindrical box portion 19 and an open barrel-shaped barrel portion 21 that continues to the rear of the box portion 19. As shown in FIG. 2, the mating male terminal 84 is inserted into the box portion 19 when the housings 10 and 80 are fitted together. A lance receiving portion 22 that is locked by the lance 15 is provided on the lower wall of the box portion 19. The barrel part 21 is connected to the terminal part of the electric wire 70 by crimping.

  As shown in FIG. 2, a mounting recess 23 is provided at the rear of the housing 10 so as to open rearward. The rear end surface of the mounting recess 23 is the rear surface of the housing 10, and the rear end of each cavity 14 is opened here. A batch rubber plug 24 is inserted into the mounting recess 23 of the housing 10 from the rear, and then a rear holder 25 is inserted and accommodated.

  The collective rubber plug 24 is made of rubber such as silicon rubber and has a mat shape as a whole (see FIG. 12), and has a plurality of through holes 26 that can communicate with the cavities 14. A plurality of outer peripheral lips 27 are provided around the outer peripheral surface of the collective rubber plug 24. A plurality of outer peripheral lips 27 are arranged side by side in the front-rear direction. When the collective rubber plug 24 is accommodated in the mounting recess 23, each outer peripheral lip 27 is elastically brought into close contact with the inner peripheral surface of the mounting recess 23, and the seal in the mounting recess 23 is taken. In addition, after passing through the terminal fitting 17, the electric wire 70 connected to the terminal fitting 17 is inserted into each through hole 26 in a liquid-tight manner.

  The rear holder 25 is in the form of a block that can be accommodated in the mounting recess 23 and has a plurality of loose insertion holes 28 that can communicate with the through holes 26 as shown in FIG. An electric wire 70 is inserted in each loose insertion hole 28 in a loosely fitted state. A plurality of locking projections 29 are formed on the upper and lower surfaces of the rear holder 25. When the rear holder 25 is inserted into the mounting recess 23, the respective locking projections 29 are elastically fitted into the projection receiving portions 31 penetrating the peripheral wall of the mounting recess 23, whereby the rear holder 25 is held in the mounting recess 23. At the same time, the collective rubber plug 24 is prevented from coming off in the mounting recess 23.

Further, the housing 10 has a step 32 immediately before the mounting recess 23, and the front side of the housing 10 is slightly smaller than the rear side through the step 32 (see FIG. 12). .
As shown in FIG. 1, a lock arm 33 extending in the front-rear direction is provided on the upper surface 11 of the housing 10. The lock arm 33 is tiltable and displaceable in a seesaw shape (can be elastically displaceable) around a fulcrum part 34 continuous with the step 32. And the front part side of the housing 10 is fitted in the hood part 81 together with the front holder 40, and the tip of the hood part 81 of the mating housing 80 is disposed close to the step 32 of the housing 10 at the time of regular fitting. In addition, the lock arm 33 elastically locks the lock protrusion 85 of the mating housing 80, so that the detachment of both the housings 10, 80 is restricted.

  As shown in FIG. 9, a plurality of lock receiving portions 35 are provided on the outer surface of the front side of the housing 10. Each lock receiving portion 35 is provided on each of the upper surface 11, the lower surface 12, and both side surfaces 13 of the housing 10. Specifically, four are provided on the upper surface 11, three are provided on the lower surface 12, and one is provided on each side surface 13. Yes. In the case of this embodiment, as shown in FIGS. 10 and 11, each lock receiving portion 35 is integrally formed with a protrusion 36 extending in the front-rear direction along the outer surface of the housing 10. The rear end of the ridge 36 is projected in a claw shape (see FIG. 1), and the lower surface 12 and both side surfaces 13 of the housing 10 are recessed in the claw shape at the front end of the ridge 36 (see FIG. 1). 10). In addition, a pair of guide ribs 37 extending in the front-rear direction are provided on the upper and lower surfaces 11, 12 on the front side of the housing 10, on both sides outwardly with the protrusions 36 interposed therebetween.

  As shown in FIG. 9, a small protrusion 38 having a lattice shape in front view is provided on the front surface of the housing 10 so as to surround the front end of each cavity 14 and each insertion port 18. When the seal member 60 comes into contact with the front surface of the housing 10, the small protrusion 38 bites into the rear surface of the seal member 60, and a seal around each cavity 14 is taken.

  The seal member 60 is made of rubber such as silicon rubber, and has a substantially rectangular mat shape that is long in the width direction when viewed from the front, as shown in FIGS. 6 and 12. As shown in FIG. 1, the seal member 60 is provided with a plurality of seal holes 61 that can communicate with the cavities 14. Each seal hole 61 is configured to extend in the front-rear direction and open to both front-rear surfaces of the seal member 60. A single inner peripheral lip 62 is provided on the inner peripheral surface of each seal hole 61. As shown in FIG. 1, the formation positions of the respective inner peripheral lips 62 are sequentially shifted rearward from the lower stage toward the upper stage. On the other hand, the outer peripheral surface of the seal member 60 has a flat shape that is continuous in the front-rear direction with almost no unevenness.

  In addition, a rib receiving portion 63 extending along the surface direction is provided on the front surface of the seal member 60. As shown in FIG. 8, the rib receiving portion 63 is provided between the upper seal holes 61 and the middle seal holes 61 on the front surface of the seal member 60 and between the middle seal holes 61 and the lower seal holes 61. In between, it is made into the groove | channel of the 2 stripes extended in the width direction and opened on the both sides | surfaces of the sealing member 60. FIG. Further, as shown in FIG. 1, each rib receiving portion 63 is a bottomed groove that does not open on the rear surface (the other surface) of the seal member 60, and the rear end (the tip in the depth direction) of each rib receiving portion 63. ) Corresponds to a position approximately half of the thickness of the seal member 60 in the front-rear direction.

  Further, as shown in FIGS. 7 and 8, the seal member 60 has a rear end (the seal member 60 of the seal member 60) at an intermediate position in the width direction (extension direction) of each rib receiver 63. A plurality of retainer receiving portions 64 are provided which are recessed in the vertical direction from a position separated from the front surface. Each retaining member 64 has a substantially T shape (see FIG. 7) in a side sectional view (cross section viewed from a side view) between the rib receiving portion 63 and the upper and lower sides sandwiching the rib receiving portion 63. It has a circular cross section (cross section viewed from the front view direction) that is circular on both sides (see FIG. 7).

  In the case of the present embodiment, each retaining member 64 is provided at four positions on the diagonal line in the central portion of the seal member 60, as shown in FIG. Further, the retainer receiving portions 64 are also provided in four corner regions (specifically, positions close to the four corners) on the upper and lower surfaces of the seal member 60, respectively. Each retainer receiving portion 64 provided in each of the four corner regions is configured as a recess that does not communicate with each rib receiving portion 63 and opens only on the upper and lower surfaces of the seal member 60, and has a semicircular arc shape in a front sectional view. Yes.

  Next, the front holder 40 will be described. The front holder 40 is made of synthetic resin, has a cap shape that can be attached to the front side of the housing 10, and includes a front plate 41 and side plates 42. As shown in FIG. 3, the front plate 41 has an outer edge defined by upper and lower edges that extend long in the width direction and a pair of side edges that extend short in the height direction. The front plate 41 is provided with a plurality of insertion holes 43 that can communicate with the seal holes 61 in the front-rear direction.

  The side plate 42 has a plate-like form protruding rearward from both upper and lower edges and both side edges of the front plate 41, and as shown in FIG. 4, an upper plate 44 and a lower plate 45 along the width direction, It consists of a pair of side plates 46 along the vertical direction. The upper plate 44, the lower plate 45, and the side plates 46 constitute four sides of the front holder 40. As shown in FIG. 7, an accommodation space 47 that can accommodate the seal member 60 is formed inside the front portion of the side plate 42 and behind the front plate 41. A lock portion 48 that can be locked to each lock receiving portion 35 of the housing 10 is provided behind the accommodation space 47 in the side plate 42.

  As shown in FIG. 4, the lock portions 48 are provided on the upper plate 44, the lower plate 45, and the both side plates 46, respectively. Specifically, four on the upper plate 44, three on the lower plate 45, and on both side plates 46. One by one. As shown in FIGS. 5 and 6, each lock portion 48 can be bent and deformed between the slits 49 placed on both sides thereof, and is formed in a thick portion that bulges outside the side plate 42 in the front-rear direction. It has a lock hole 51 that extends and opens at the front end.

  Here, in the process of attaching the front holder 40 to the housing 10, the guide ribs 37 enter the slits 49 of the upper plate 44 and the slits 49 of the lower plate 45, respectively. In this state, each lock portion 48 interferes with the corresponding lock receiving portion 35 and is bent and deformed outward. Thereafter, when the front holder 40 is properly mounted, the lock portions 48 are elastically restored, and the lock receiving portions 35 are elastically fitted into the lock holes 51 of the lock portions 48, as shown in FIG. A lock receiving portion 35 is disposed at the rear edge of the lock hole 51 so as to be latched. Thereby, the front holder 40 is held by the housing 10 so as not to be detached. As shown in FIG. 7, the upper plate 44 protrudes far behind the lower plate 45 and the both side plates 46, and the rear ends of the lock holes 51 of the upper plate 44 are the lower plate 45 and the both side plates 46. Are located behind the rear end of each lock hole 51.

  As shown in FIG. 7, the rear surface of the front plate 41 is a contact surface 52 that contacts the front surface of the seal member 60 accommodated in the accommodation space 47 in a close contact state. The contact surface 52 of the front plate 41 is provided with ribs 53 extending along the surface direction. As shown in FIG. 4, the ribs 53 are formed between the upper insertion holes 43 and the middle insertion holes 43 on the contact surface 52 of the front plate 41, and between the middle insertion holes 43 and the lower insertion holes 43. The two protrusions extend in the width direction and reach both side edges of the contact surface 52. By providing each rib 53 over the entire width at the contact surface 52 of the front plate 41 that is long in the width direction, the front plate 41 is sufficiently reinforced.

  Further, as shown in FIGS. 4 and 7, a plurality of gaps are formed in the middle of the width direction (extending direction) of each rib 53 so as to protrude from the rear end (position away from the contact surface 52) in both the upper and lower directions. A stop projection 54 is provided. Each retaining projection 54 is substantially T-shaped (see FIG. 7) in a side sectional view (cross section viewed from a side view) between the ribs 53 and is aligned on both upper and lower sides with the rib 53 interposed therebetween. It has a circular arc shape when viewed from the rear (see FIG. 4).

  In the case of the present embodiment, each retaining protrusion 54 is provided at a position corresponding to four positions on the diagonal line in the central portion of the contact surface 52 of the front plate 41. Further, the retaining protrusions 54 are also provided at positions corresponding to the four corner portions 56 (specifically, positions closer to the four corners) on both upper and lower edges of the contact surface 52 of the front plate 41. The retaining protrusions 54 provided at positions corresponding to the four corners 56 are not provided on the ribs 53, and are provided on the inner surfaces of the upper plate 44 and the lower plate 45, respectively. As shown in FIG. 3, a mold for molding the front surface of each retaining protrusion 54 passes through the front surface of the front plate 41 at a position where each retaining protrusion 54 is projected forward. A substantially semicircular die-cutting hole 55 is provided so as to open.

Next, the operation of this embodiment will be described.
When the seal member 60 is inserted into the accommodating space 47 of the front holder 40, each rib 53 of the front holder 40 is elastically inserted in a fitted state into each rib receiving portion 63 of the seal member 60 as shown in FIG. In addition, each retaining protrusion 54 of the front holder 40 is elastically inserted into each retaining member 64 of the seal member 60 in a fitted state. Each retaining projection 54 is inserted into each retaining member 64 and the front surface of each retaining projection 54 is hooked and locked to each retaining member 64, so that the front holder 40 of the seal member 60 is removed. Escaping is regulated. Thereby, the seal member 60 is assembled in a state in which the seal member 60 is prevented from being detached from the front holder 40.

  Further, terminal fittings 17 are inserted into the respective cavities 14 of the housing 10 from the rear, and the terminal fittings 17 are prevented from being detached by the lances 15. In this state, the front holder 40 assembled with the seal member 60 is put on the housing 10. When the front holder 40 is attached to the housing 10 by the lock portions 48 engaging the lock receiving portions 35, the rear surface of the seal member 60 is pressed against the front surface of the housing 10, and the front plate 41 of the front holder 40 is attached. The seal member 60 is compressed between the housing 10 and the housing 10.

  Subsequently, the housing 10 on which the front holder 40 is mounted is fitted into the hood portion 81 of the mating housing 80. In the process of fitting the two housings 10, 80, the seal protrusions 86 of the mating housing 80 pass through the insertion holes 43 of the front holder 40 and crush the inner peripheral lip 62 of the seal member 60. Enter.

  When the front plate 41 of the front holder 40 reaches a position where it can come into contact with the rear end surface of the hood 81, the lock arm 33 elastically locks the lock projection 85 as shown in FIG. 10 and 80 are held in the fitted state, and the terminal fitting 17 is properly connected to the male terminal 84. When both the housings 10 and 80 are properly fitted, the seal protrusion 86 passes through both the holes 43 and 61 so as to straddle the insertion hole 43 and the seal hole 61, and the inner peripheral lip 62 of the seal hole 61. Is in close contact with the outer peripheral surface of the seal projection 86 along the circumferential direction, and the seal in the seal hole 61 is taken.

As described above, according to this embodiment, the following effects can be obtained.
The rib 53 of the front holder 40 is inserted into the rib receiving portion 63 of the seal member 60, and the retaining protrusion 54 is inserted into the retaining member 64 in a retaining state, so that the sealing member is not subjected to insert molding. 60 is assembled to the front holder 40. In this case, the retaining protrusion 54 is provided on the rib 53, and the rib 53 extends along the contact surface 52 of the front holder 40, so that the front holder 40 is reinforced by the rib 53. Therefore, the retaining structure in which the seal member 60 is retained by the front holder 40 and the reinforcing structure of the front holder 40 are shared through the rib 53, and both structures are provided separately. Compared with the case where it is possible, the whole structure is simplified.

  Further, the contact surface 52 of the front holder 40 is a substantially rectangular surface having four corners 56, and each retaining protrusion 54 corresponds to a region on the center side and a region on the four corners 56 side of the contact surface 52. Therefore, the sealing member 60 is prevented from being displaced in the surface direction with respect to the contact surface 52 of the front holder 40, and the sealing performance of the sealing member 60 is kept stable.

  Further, since the rib receiving portion 63 and the retaining member 64 are not opened on the rear surface of the seal member 60, the formation of the rib receiving member 63 and the retaining member 64 causes the sealing member 60 to A decrease in sealing performance is prevented.

  Furthermore, the front holder 40 has a substantially rectangular outer shape having four sides, and the lock receiving portions 35 of the housing 10 are respectively provided on the four sides of the front holder 40 (upper plate 44, lower plate 45, and both side plates 46). Since the lock portion 48 that can be locked is provided, the seal member 60 is stably held between the front holder 40 and the housing 10.

<Other embodiments>
The present invention is not limited to the embodiments described with reference to the above description and drawings. For example, the following aspects are also included in the technical scope of the present invention.
(1) Instead of the front holder, the rear holder may be provided with ribs and retaining protrusions, and the batch rubber stopper may be provided with rib receiving portions and retaining stoppers. Alternatively, both the front holder and the rear holder may be provided with ribs and retaining protrusions, and both the seal member and the batch rubber stopper may be provided with rib receiving portions and retaining stoppers.
(2) The retaining protrusion and the retaining receiver may each be substantially T-shaped or substantially cross-shaped in a side sectional view between the rib and the rib receiver.
(3) The rib and the rib receiving portion may be configured to extend in the height direction instead of the width direction in the front holder and the seal member, respectively. Or a rib and a rib receiving part may become a grid | lattice form as a whole by extending in the width direction and a height direction.

DESCRIPTION OF SYMBOLS 10 ... Housing 14 ... Cavity 17 ... Terminal metal fitting 35 ... Lock receiving part 40 ... Front holder 48 ... Locking part 52 ... Abutting surface 53 ... Rib 54 ... Retaining protrusion 56 ... Four corners 60 ... Seal member 61 ... Seal hole 63 ... Rib receiving part 64 ... Retaining stopper 80 ... Counterpart housing 81 ... Hood part

Claims (5)

A housing that extends in the front-rear direction and has openings that are open on both the front and rear sides;
A seal member disposed in contact with one of the front and rear surfaces of the housing, and having a seal hole extending in the front-rear direction at a position communicating with the cavity and opening in the front and rear surfaces;
A waterproof connector provided with a holder that is disposed in contact with one of the front and rear surfaces of the seal member and sandwiches the seal member with the housing,
A rib that extends along a surface direction is provided on the abutting surface that abuts on the one surface of the seal member in the holder, and the rib includes a rib that extends away from the abutting surface. A retaining protrusion that protrudes in a direction intersecting the protruding direction from the contact surface is provided,
A rib receiving portion into which the rib is inserted is provided on the one surface of the seal member, and the rib receiving portion is inserted in a direction away from the one surface of the seal member. A waterproof connector characterized in that it is provided with a retainer receiving portion that is recessed in a direction intersecting with the retainer and into which the retainer protrusion is inserted in a state of retaining.   The holder is configured as a front holder that abuts on the front surface of the housing and prevents the seal member from coming out forward, and the rib and the retaining protrusion are provided on the front holder. The waterproof connector according to claim 1.   The contact surface of the holder is a substantially rectangular surface having four corners, and the retaining protrusion is disposed at a position corresponding to a center side region and a four corner side region of the contact surface. The waterproof connector according to claim 1, wherein the waterproof connector is provided.   The said rib receiving part and the said retainer receiving part are made into the form which does not open to the other surface on the opposite side to the said one surface in the said sealing member, The any one of Claim 1 thru | or 3 characterized by the above-mentioned. Waterproof connector according to item.   The holder has a substantially rectangular outer shape having four sides, and each of the four sides of the holder is provided with a lock portion that can be engaged with a corresponding lock receiving portion of the housing. The waterproof connector according to any one of claims 1 to 4.

Images