JP2012089299A - Waterproof connector - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve the assembling workability of a rubber ring.SOLUTION: A waterproof connector 10 which can be fitted with a counterpart connector, comprises an outer housing 40, and an inner housing 30 assembled to the outer housing 40 from a front side. On an outer peripheral surface of the inner housing 30, a projecting portion 36 projecting out from the outer peripheral surface to the outside is provided, and a rubber ring 70 is fitted on the outer peripheral surface. The rubber ring 70 comprises a generally cylindrical seal portion 71 which can be fitted on a front side rather than the projecting portion 36 on the outer peripheral surface of the inner housing 30, and a rubber ring locking portion 72 extended from the seal portion 71 toward the projecting portion 36. In a process of assembling the inner housing 30 to the outer housing 40, the rubber ring locking portion 72 locks to the projecting portion 36 in a fitting direction, thereby holding the seal portion 71 in the inner housing 30 in a temporary locking state.

Description

  The present invention relates to a waterproof connector that can be fitted with a mating connector.

  As this type of waterproof connector, for example, the one described in Patent Document 1 is known. This waterproof connector has a housing made of synthetic resin, and this housing is composed of an inner housing in which terminal fittings are held, and an outer housing arranged at a predetermined interval on the outer periphery of the inner housing. Yes. On the other hand, the mating connector has a hood portion that opens forward, and the hood portion is fitted between the inner housing and the outer housing along with the fitting with the waterproof connector.

  An annular rubber ring is fitted on the outer surface of the inner housing. The rubber ring is provided with a rubber ring locking portion protruding rearward. The rubber ring locking portion can be inserted into a through hole provided in the inner wall of the housing. The rubber ring locking portion enters the through hole while being elastically deformed, and when it reaches the normal insertion position, the rubber ring locking portion is elastically restored and locked to the opening edge of the through hole from the rear. Thereby, the rubber ring is fixed to the housing.

JP 2006-156081 A

  However, when mounting the above-described rubber ring on the inner housing, it is necessary to push the rubber ring locking portion toward the inner wall of the housing using an assembling jig or the like, and the assembling workability is not good. For this reason, the variation of the assembly work by the operator increases, for example, when the pushing operation by the assembly jig is stopped in a state where the rubber ring locking part does not completely penetrate the through hole, the locked state is incomplete. Thus, the holding force of the rubber ring may be reduced.

  The present invention has been completed based on the above circumstances, and an object thereof is to improve the workability of assembling a rubber ring.

  The present invention is a waterproof connector that can be mated with a mating connector, and includes an outer housing, and an inner housing assembled to the outer housing from the front side in the mating direction with the mating connector. The outer peripheral surface is provided with a protrusion that protrudes outward from the outer peripheral surface, and a rubber ring is fitted on the outer peripheral surface, and the rubber ring is more fitted than the protrusion on the outer peripheral surface of the inner housing. In the course of assembling the inner housing to the outer housing, the seal portion has a substantially cylindrical shape that can be fitted to the front side in the direction, and a rubber ring locking portion that extends from the seal portion toward the protrusion. The rubber ring locking portion is locked in the fitting direction with respect to the protrusion, whereby the seal portion is held in a temporarily locked state with respect to the inner housing. Having the features the time.

  According to such a configuration, the rubber ring can be assembled to the inner housing without using an assembling jig or the like. In addition, when the rubber ring is assembled to the inner housing, the rubber ring locking portion is fitted to the protrusion and locked in the fitting direction with the mating connector. It can be held in a temporarily locked state. For this reason, it is not necessary to hold the rubber ring on the inner housing in the course of assembling the inner housing to the outer housing, and the inner housing can be assembled to the outer housing as it is. Therefore, the workability of assembling the rubber ring can be improved.

The following configuration is preferable as an embodiment of the present invention.
In the state where the inner housing is assembled to the outer housing, the rubber ring locking portion is sandwiched between the protrusion and the outer housing, so that the seal portion is held in the main locking state with respect to the inner housing. Good.
According to such a configuration, the rubber ring locking portion is sandwiched between the protrusion and the outer housing as the inner housing is assembled to the outer housing, and the seal portion is held in the main locking state in the inner housing. Can do. That is, by adopting a structure in which the rubber rings are sandwiched between the two housings, a sufficient holding force can be obtained for holding the seal portion in the inner housing in the fully engaged state.

The outer housing is provided with a rear wall disposed on the rear side in the fitting direction with respect to the protrusion. In the main locking state, a portion of the rubber ring locking portion on the rear side in the fitting direction with respect to the protrusion. It is good also as a structure by which it was inserted | pinched from the fitting direction between the protrusion and the rear wall.
According to such a configuration, a portion of the rubber ring locking portion on the rear side in the fitting direction with respect to the protruding portion can be sandwiched between the protruding portion and the rear wall from the fitting direction. Thereby, a seal | sticker part can be hold | maintained in an inner housing in this latching state.

The rubber ring locking portion may have a fitting recess that can be fitted to the protrusion from a direction crossing the fitting direction.
According to such a structure, a seal part can be hold | maintained with respect to an inner housing by fitting a fitting recessed part with the protrusion from the direction which cross | intersects the fitting direction with the other party connector.

The rubber ring locking portion may be configured such that at least one pair is provided at a position where the inner housing is sandwiched from the direction intersecting the fitting direction.
According to such a configuration, since the inner housing can be held so as to be sandwiched from at least a pair of rubber ring locking portions from a direction intersecting the fitting direction, the holding force by the rubber ring locking portions can be improved. it can.

  According to the present invention, the workability of assembling the rubber ring can be improved.

Front view of waterproof connector in embodiment AA line sectional view in FIG. Front view of outer housing Front view of inner housing A diagram showing how the rubber ring is attached to the inner housing from the front side

<Embodiment>
An embodiment of the present invention will be described with reference to the drawings of FIGS. As shown in FIG. 1, the waterproof connector 10 according to the present embodiment includes an inner housing 30 that houses the terminal fitting 20 therein, an outer housing 40 that is disposed on the outer peripheral side so as to surround the inner housing 30, and A slide lever 50 serving as a booster mechanism that assists the fitting operation and the disengaging operation with a mating connector (not shown) is provided. In the following description, the front-rear direction will be described with reference to the direction orthogonal to the paper surface in FIG. 1 as the front side of the mating surface with the mating connector, and the vertical and horizontal directions will be described with reference to FIG.

  As shown in FIG. 2, the terminal fitting 20 has a connection portion 21 having a rectangular tube shape, and a wire barrel portion 22 and an insulation barrel portion 23 are arranged in this order behind the connection portion 21. . The terminal fitting 20 is connected to a terminal portion of the electric wire W, and a rubber plug 60 is attached to the outer peripheral surface of the electric wire W at a position continuous to the rear of the terminal fitting 20.

  The connection part 21 has a form penetrating in the front-rear direction, and has an elastic contact piece 24 formed by folding back from the front edge thereof. This elastic contact piece 24 is provided so that it can bend. The male mating terminal fitting provided on the mating connector enters the inside from the front end opening of the connecting portion 21 as the two connectors 10 are fitted, and elastically contacts the elastic contact piece 24. Thereby, the terminal metal fitting 20 and the other party terminal metal fitting are connected so that conduction | electrical_connection is possible.

  The wire barrel portion 22 has a pair of caulking pieces for caulking the core wire exposed by peeling off the insulating coating at the end of the electric wire W. By crimping the core wire of the electric wire W by both the caulking pieces, the terminal fitting 20 and the electric wire W are connected so as to be conductive.

  The insulation barrel portion 23 has a pair of holding pieces for holding the insulation coating of the electric wire W from both sides together with the rubber plug 60. The rubber plug 60 and the insulation coating of the electric wire W are pressed together by both holding pieces, so that the rubber plug 60 is fixed to the terminal fitting 20.

  The inner housing 30 is made of a synthetic resin and has a horizontally long block shape as shown in FIGS. 1 and 2. A plurality of cavities 31 having a shape penetrating in the front-rear direction are formed in the inner housing 30. As shown in FIG. 4, the cavities 31 include a plurality of small cavities that accommodate the small terminal fittings 20 and a plurality of large cavities that accommodate the large terminal fittings 20. A pair of large cavities are respectively disposed on the left and right sides.

  As shown in FIG. 2, a lance 32 is formed on the inner wall of the cavity 31 to prevent the terminal fitting 20 from coming off backward. The lance 32 is shaped like a cantilever projecting forward from the inner wall of the cavity 31. Specifically, the internal structure of the cavity 31 includes a front housing portion that houses the connection portion 21 and a rear housing portion that houses the rubber plug 60 and the barrel portions 22 and 23, and the rear housing portion is the front side. It is set larger than the accommodating part.

  A predetermined clearance is provided between the inner wall of the front housing portion and the connection portion 21. This clearance is set to be smaller than the locking allowance between the connecting portion 21 and the lance 32. Therefore, the connecting portion 21 can be easily inserted into the front housing portion, and the locking state between the connecting portion 21 and the lance 32 is not released by the backlash of the connecting portion 21.

  The rear housing portion is sized to accommodate the rubber plug 60 in a compressed state. Thereby, in a state where the rubber plug 60 is housed in the rear housing portion, the rubber plug 60 is in close contact with the outer peripheral surface of the electric wire W and the inner peripheral surface of the rear housing portion, and from the rear of the cavity 31 to the inside. It can regulate the ingress of water.

  As shown in FIG. 5, a pair of locking pieces 33 are provided on both sides in the width direction on the outer surface of the inner housing 30. Both the locking pieces 33 can be locked in the front-rear direction with respect to the locked portions 41 provided on both sides in the width direction on the inner surface of the outer housing 40. When the inner housing 30 is assembled to the outer housing 40 from the front side in the fitting direction, both the locking pieces 33 are locked to the both locked portions 41 so that the inner housing 30 is prevented from being detached from the outer housing 40. Retained.

  A retainer 34 is mounted inside the inner housing 30. The retainer 34 has a lattice shape, and is movable between a temporary locking position that allows the terminal fitting 20 to enter the cavity 31 and a final locking position that prevents the terminal fitting 20 from coming off together with the lance 32. ing. The retainer 34 includes a pair of mounting leg portions 34A for holding the retainer 34 in the final locking position, and both mounting leg portions 34A are opposed to a retainer locking portion 34B provided in the inner housing 30. It can be locked in the vertical direction.

  As shown in FIG. 4, a back wall 35 is provided around the outer peripheral surface of the inner housing 30. As shown in FIG. 1, the rear wall 35 constitutes a rear end portion of a space S formed between the inner housing 30 and the outer housing 40. A hood portion (not shown) provided in the mating connector can enter the space S. Further, the rear wall 35 is disposed near the rear end of the inner housing 30.

  A pair of protrusions 36 are respectively provided on the upper and lower surfaces of the inner housing 30. Both protrusions 36 are arranged near both ends in the left-right direction. Further, as shown in FIG. 5, each protrusion 36 is formed by cutting out a part of the back wall 35, and is disposed at a position corresponding to both the locking pieces 33 in the left-right direction.

  As shown in detail in FIG. 4, each protrusion 36 is configured in two steps, upper and lower, from the upper and lower surfaces of the inner housing 30, and its base end side 36 </ b> A is connected to the inner wall 35. The distal end side 36 </ b> B is formed so as to protrude vertically from the proximal end side 36 </ b> A within a height range that is not in contact with the inner wall 35 and does not exceed the protruding end of the inner wall 35.

  As shown in FIG. 3, the outer housing 40 has a substantially rectangular outer shape that is long in the left-right direction, and has a rectangular tube shape that penetrates in the front-rear direction. That is, a housing mounting hole 42 having a long hole shape extending in the left-right direction is formed inside the outer housing 40, and the inner housing 30 can be mounted inside the housing mounting hole 42. The pair of locked portions 41 described above are provided on both the left and right sides of the inner wall of the housing mounting hole 42, respectively. Therefore, the inner housing 30 is held inside the housing mounting hole 42 by the locking piece 33 of the inner housing 30 being locked in the front-rear direction with respect to the locked portion 41 of the outer housing 40.

  A pair of lever accommodating portions 43 are provided on both upper and lower sides of the outer housing 40. Here, the configuration of the slide lever 50 will be briefly described. The slide lever 50 is configured by raising a pair of cam plates 52 from both ends of the operation unit 51 in an opposed state, and has a substantially portal shape as a whole. . As shown in FIG. 1, the operation unit 51 is arranged along the outer surface of the outer housing 40 when the slide lever 50 is completely pushed into the outer housing 40. On the other hand, as shown in FIG. 2, both cam plates 52 are respectively housed in both lever housing portions 43.

  In the cam plate 52, a cam groove (not shown) that can accommodate a cam pin (not shown) provided in the mating connector is formed in an arc shape, and the cam pin 52 is connected to the cam groove. The two connectors 10 are fitted and detached by a cam action based on the fit. Also, the cam plate 52 is provided with a holding groove (not shown) that can accommodate a pair of holding pins 37 provided on the upper and lower surfaces of the inner housing 30 in a straight line. The inner housing 30 is restricted from moving in the front-rear direction with respect to the outer housing 40 when the connector 10 is fitted or detached.

  In addition, a portion of the inner wall of the housing mounting hole 42 of the outer housing 40 that faces the protrusion 36 is an opposing wall 44. The facing wall 44 constitutes a part of the lever housing portion 43. The opposing walls 44 are disposed at two locations, upper and lower, corresponding to both lever housing portions 43. A guide groove 45 extending in the front-rear direction by being cut out in the front-rear direction is recessed in a part of the facing wall 44. Four guide grooves 45 are provided in total. As shown in FIG. 3, the guide grooves 45 are arranged at two left and right positions on the upper side of the housing mounting hole 42 and two left and right positions on the lower side. These guide grooves 45 are configured to open to the housing mounting hole 42 side and the front side. On the other hand, the rear end position of the guide groove 45 is set to the front side of the protrusion 36 as shown in FIG. That is, the guide groove 45 is formed in front of the facing wall 44 while leaving the facing wall 44 at a position facing the protrusion 36.

  Furthermore, a rear wall 46 is provided at the rear end of the opposing wall 44 so as to project toward the inner housing 30 so as to go around the protrusion 36. As shown in FIG. 3, the rear wall 46 extends in the circumferential direction along the inner surface of the housing mounting hole 42 of the outer housing 40, and is separated into four portions corresponding to the four corners of the outer housing 40. Has been.

  Now, as shown in FIG. 2, in this embodiment, a rubber ring 70 is attached to the outer peripheral surface of the inner housing 30, so that the rubber ring 70 can be held in a temporarily locked state with respect to the inner housing 30. It has become. The rubber ring 70 includes a seal portion 71 fitted on the outer peripheral surface of the inner housing 30, and a rubber ring engagement portion 72 capable of holding the seal portion 71 by engaging with the protrusion 36 and engaging in the front-rear direction. Are integrally provided.

  The seal portion 71 has a substantially cylindrical shape and is disposed on the front side of the protrusion 36. The seal portion 71 has a plurality of lips, and these lips are in close contact with the outer peripheral surface of the inner housing 30 and the inner peripheral surface of the hood portion of the mating connector when both the connectors 10 are fitted. . As a result, the space between the two connectors 10 is waterproof, and water intrusion into the inner housing 30 is regulated.

  The rubber ring locking portions 72 are arranged at four locations corresponding to the protrusions 36. Moreover, the rubber ring latching | locking part 72 is provided in the form extended toward back (from the protrusion 36) from the rear end of the seal | sticker part 71, as shown in FIG. Specifically, as shown in FIG. 2, the rubber ring locking portion 72 has a fitting recess 73 that can be fitted to the protrusion 36 from above and below, and in the fitted state, the fitting recess 73. The seal portion 71 is held in a temporarily locked state with respect to the inner housing 30 by locking the protrusion portion 36 in the front-rear direction and the width direction.

  Moreover, the rubber ring latching | locking part 72 is arrange | positioned at the up-and-down both sides of the inner housing 30, and is assembled | attached so that the inner housing 30 may be inserted | pinched from the up-down direction. Therefore, the holding force by the rubber ring locking portion 72 in the temporarily locked state can be increased. The holding force by the rubber ring locking portion 72 in the temporarily locked state is set to such an extent that the rubber ring 70 is not detached from the inner housing 30 when the inner housing 30 is mounted on the outer housing 40 from the front side. . For this reason, the assembly of the rubber ring 70 can be completed simply by assembling the inner housing 30 to the outer housing 40 as it is. In other words, after the inner housing 30 is assembled to the outer housing 40, it is not necessary to assemble the rubber ring 70 to the inner housing 30 using an assembling jig or the like, and the assembling workability of the rubber ring 70 can be remarkably improved. .

  However, when an excessive force is applied to the rubber ring 70 in the front-rear direction in the temporarily locked state, the rubber ring locking portion 72 is bent and deformed so as to open in the vertical direction, and the fitting recess 73 is protruded from the protrusion 36. Will leave. For this reason, in order to hold the rubber ring 70 in the fully locked state, it is necessary to regulate the displacement of the rubber ring locking portion 72 in the opening direction.

  Therefore, in the present embodiment, the opposing wall 44 is disposed in the bending region of the rubber ring locking portion 72 in a state where the inner housing 30 shown in FIG. 2 is assembled to the outer housing 40, and the opposing wall 44 and the projecting portion 36 are arranged. The rubber ring locking portion 72 is sandwiched from above and below. Further, a portion of the rubber ring locking portion 72 on the rear side of the protrusion 36 is sandwiched between the protrusion 36 and the rear wall 46 from the front-rear direction. That is, by disposing the opposing wall 44 and the rear wall 46 in the bending region of the rubber ring locking portion 72, it is possible to reliably restrict the fitting recess 73 of the rubber ring locking portion 72 from being separated from the protrusion 36. It is like that.

  In addition to this, the holding pin 37 of the inner housing 30 is fitted in the holding groove of the cam plate 52, and the position of the inner housing 30 in the front-rear direction is fixed. There is no possibility that the inner housing 30 is displaced forward to a position where 73 can be detached from the protrusion 36.

  The present embodiment is configured as described above, and its operation will be described subsequently. First, the rubber ring 70 is fitted to the outer peripheral surface of the inner housing 30, and the fitting recess 73 of the rubber ring locking portion 72 is fitted to the protrusion 36. Thereby, the rubber ring 70 is held in a temporarily locked state with respect to the inner housing 30. In this state, there is no possibility that the rubber ring 70 is displaced in the course of assembling the inner housing 30 to the outer housing 40, and the assembling work of the inner housing 30 can be performed smoothly. Therefore, the assembly of the rubber ring 70 is completed by simply assembling the inner housing 30 to the outer housing 40, and the assembly workability of the rubber ring 70 can be improved because it is not necessary to use an assembly jig or the like.

  When the assembly of the inner housing 30 is completed, the rubber ring locking portion 72 is sandwiched between the protrusion 36 and the opposing wall 44 from the vertical direction, and the rubber ring locking portion 72 is behind the protrusion 36. This part is sandwiched between the protrusion 36 and the rear wall 46 from the front-rear direction. In this state, since the rubber ring 70 is held in the final locking state with respect to the inner housing 30, the rubber ring 70 is pushed backward by the hood portion of the mating connector when the both connectors 10 are fitted, Alternatively, it is possible to restrict the rubber ring 70 from being brought back together with the hood portion at the time of separation.

  Next, both the cam plates 52 of the slide lever 50 are inserted into the both lever accommodating portions 43 of the outer housing 40, and the slide lever 50 is set to the initial position. In this state, the cam groove of the cam plate 52 is disposed at a position where the cam pin can be received. When the two connectors 10 are shallowly fitted, the cam pin of the mating connector enters the inlet of the cam groove. Then, when the slide lever 50 is pushed from the initial position to the mating position, the cam pin moves along the cam groove to the terminal end side, and the mating connector is pulled toward the waterproof connector 10 along with this, so that both connectors 10 leads to regular fitting. During this time, since the holding pin 37 is fitted in the holding groove, the inner housing 30 can be held at a fixed position, and the rubber ring 70 can be held at a fixed position.

  As described above, in the present embodiment, the fitting recess 73 of the rubber ring locking portion 72 is fitted to the protrusion 36 in the vertical direction, and the rubber ring locking portion 72 is moved in the front-rear direction with respect to the protrusion 36. Since the locking is performed, the seal portion 71 can be held in a temporarily locked state before the inner housing 30 is mounted on the outer housing 40. As a result, it is not necessary to push the rubber ring 70 into the inner housing 30 with an assembling jig after the inner housing 30 is assembled to the outer housing 40, and the rubber ring 70 is simply assembled to the outer housing 40. Assembling work can be completed. Therefore, the workability of assembling the rubber ring 70 can be improved.

  Further, in a state where the inner housing 30 is assembled to the outer housing 40, the rubber ring locking portion 72 is sandwiched between the protrusion 36 and the opposing wall 44 from the vertical direction, and the rubber ring locking portion 72 is more than the protrusion 36. In addition, since the rear portion is sandwiched between the protrusion 36 and the rear wall 46 from the front-rear direction, the seal portion 71 can be held in the fully locked state. Therefore, the rubber ring 70 is pushed backward by the hood portion of the mating connector while the both connectors 10 are fitted together, or the rubber ring 70 is brought back together with the hood portion of the mating connector while the both connectors 10 are detached. There is no fear.

  Further, since the rubber ring locking portions 72 are arranged on both the upper and lower sides of the inner housing 30, both the protrusions 36 can be sandwiched by the rubber ring locking portions 72 from both the upper and lower sides. The holding force by 72 can be improved.

<Other embodiments>
The present invention is not limited to the embodiments described with reference to the above description and drawings. For example, the following embodiments are also included in the technical scope of the present invention.
(1) In the above embodiment, the rubber ring locking portion 72 is sandwiched between the protrusion 36 and the opposing wall 44 in a state where both the connectors 10 are fitted, whereby the seal portion 71 is held in the fully locked state. However, according to the present invention, the locking portion for performing the final locking of the seal portion 71 may be provided separately from the rubber ring locking portion 72.

  (2) Although the above embodiment employs a locking method in which the rubber ring locking portion 72 is sandwiched between the protrusion 36 of the inner housing 30 and the outer housing 40, according to the present invention, the rubber ring locking portion It is not always necessary to sandwich 72, and other locking methods may be adopted as long as the structure can be locked to the inner housing 30 in the front-rear direction.

  (3) Although the fitting recess 73 that fits into the protrusion 36 is provided in the rubber ring locking portion 72 in the above embodiment, according to the present invention, the through-hole penetrating the protrusion 36 is used as the rubber ring locking portion. It may be provided.

  (4) Although the rubber ring locking portions 72 are provided on the upper and lower sides of the inner housing 30 in the above embodiment, the rubber ring locking portions may be provided only on the upper side of the inner housing 30 according to the present invention.

  (5) In the above embodiment, the slide lever 50 is used as a booster mechanism for fitting and detaching the connectors 10, but according to the present invention, a rotary lever may be used as the booster mechanism. . Or you may apply this invention to the connector in which the booster mechanism is not provided.

DESCRIPTION OF SYMBOLS 10 ... Waterproof connector 30 ... Inner housing 36 ... Protrusion 40 ... Outer housing 44 ... Opposite wall 46 ... Rear wall 70 ... Rubber ring 71 ... Seal part 72 ... Rubber ring latching part 73 ... Mating recessed part

Claims (5)

A waterproof connector that can be mated with the mating connector,
An outer housing, and an inner housing assembled to the outer housing from the front side in the fitting direction with the mating connector,
A protrusion projecting outward from the outer peripheral surface is provided on the outer peripheral surface of the inner housing, and a rubber ring is fitted on the outer peripheral surface, and the rubber ring is formed on the outer peripheral surface of the inner housing. A seal portion having a substantially cylindrical shape that can be fitted to the front side in the fitting direction from the protrusion, and a rubber ring locking portion that extends from the seal portion toward the protrusion, and is configured.
In the course of assembling the inner housing to the outer housing, the rubber ring locking portion is locked in the fitting direction with respect to the protrusion, whereby the seal portion is temporarily locked with respect to the inner housing. Waterproof connector characterized by being held by.   In a state where the inner housing is assembled to the outer housing, the rubber ring locking portion is sandwiched between the protrusion and the outer housing, so that the seal portion is in a main locking state with respect to the inner housing. The waterproof connector according to claim 1, wherein the waterproof connector is held.   The outer housing is provided with a rear wall disposed on the rear side in the fitting direction with respect to the protrusion, and in the main locking state, the rubber ring locking portion is more than the protrusion. The waterproof connector according to claim 2, wherein a portion on the rear side in the fitting direction is sandwiched between the protrusion and the rear wall from the fitting direction.   The said rubber ring latching | locking part has the fitting recessed part which can be fitted from the direction which cross | intersects the said fitting direction with respect to the said protrusion. The waterproof connector according to one item.   The said rubber ring latching | locking part is provided in the position which pinches | interposes the said inner housing from the direction which cross | intersects the said fitting direction, At least one pair is provided, The Claim 1 thru | or 4 characterized by the above-mentioned. Waterproof connector.

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