JP2010277955A - Waterproof connector - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To improve easiness of fitting for a cable in a waterproof connector of a simple structure of reduced numbers of parts. <P>SOLUTION: The waterproof connectors 2, 3 for cable connection are equipped with housings 11, 41 in which a retaining hole to house and retain the tip part of the cable is formed, a cylindrical elastic sealing member 12 in which one end side is pinched between the cable and the retaining hole, and a seal retaining member 13 that has an insertion hole 35 into which the cable is inserted and that is movably installed in the axial direction of the cable from a temporary fastening position of being temporarily fastened to the housing to a fixed position of being fixed to the housing. In the elastic sealing member, the other end side is pinched between the cable and the insertion hole accompanying movement of the seal retaining member. <P>COPYRIGHT: (C)2011,JPO&amp;INPIT

Description

  The present invention relates to a waterproof connector for cable connection.

  2. Description of the Related Art Conventionally, as connectors used for cable connection, waterproof connectors with improved water tightness have been widely used by interposing an elastic member made of rubber or the like between the connector housing and the cable. It is desirable that this type of waterproof connector can be attached to the cable on site by an operator in order to improve convenience when the cable is installed (for example, to enable adjustment of the cable length). Therefore, as a waterproof connector that can be easily attached to a cable, for example, a housing in which a terminal connected to the end of the cable is inserted and mounted, a waterproof tube that is mounted over the outer periphery of the housing and the outer periphery of the cable, and the waterproof tube on the outer peripheral side There is one provided with a half-clampable tightening cover that is tightened from (see Patent Document 1).

JP 2008-130462 A

  By the way, the waterproof connector described in the above-mentioned patent document 1 is watertight on the housing and the cable skin by fitting two waterproof covers that can be divided into half and pressing them in the fitting direction. It has the structure made to stick to. In this conventional waterproof connector, two fastening covers that can be divided in half are required, which increases the number of parts and increases the manufacturing cost. Further, in this conventional waterproof connector, there is a problem in that the load on the operator is large because the operation of fitting two halved fastening covers together is complicated.

  The present invention has been devised in view of such problems of the prior art, and an object of the present invention is to provide a waterproof connector with improved ease of attachment to a cable in a simple configuration with a reduced number of parts. And

  A first invention made to solve the above-mentioned problems is a waterproof connector for cable connection, a housing in which a holding hole for receiving and holding the tip of the cable is formed, the cable and the holding hole A cylindrical elastic seal member having one end sandwiched between and an insertion hole into which the cable is inserted, from a temporarily fixed position temporarily fixed to the housing to a fixed position fixed to the housing. A seal holding member movably provided in the axial direction of the cable, and the elastic seal member is sandwiched between the cable and the insertion hole at the other end side as the seal holding member moves. And

  As a second invention, the elastic seal member has an annular convex portion on at least one of an inner peripheral side and an outer peripheral side thereof, and the annular convex portion is sandwiched between the holding hole or the insertion hole. It can be set as the structure compressed at the time.

  As a third aspect of the invention, the elastic seal member has an annular portion extending in a radial direction from an outer peripheral surface thereof, and the annular portion is connected to the seal holding member along with the movement of the seal holding member. It can be set as the structure clamped between the said housings.

  According to a fourth aspect of the present invention, the seal holding member has a plurality of protrusions that protrude from the inner peripheral surface of the insertion hole and extend along the axial direction of the insertion hole. be able to.

  As a fifth aspect of the invention, the top of the protrusion may be configured such that the height from the inner peripheral surface of the insertion hole decreases as the seal holding member moves.

  As a sixth aspect of the invention, the seal holding member may include a main body portion inserted into the holding hole and a pair of locked pieces extending from the main body portion.

  According to a seventh aspect of the invention, the housing includes a first locking portion for locking the locked piece when the seal holding member is in the temporary fixing position, and the seal holding member in the fixed position. In some cases, a second locking portion for locking the locked piece may be provided.

  According to an eighth aspect of the invention, the locked piece has a locked claw locked to the housing, and the first locking portion and the second locking portion are respectively configured to hold the seal. It can be set as the structure which is the latching hole which is arranged in the moving direction of a member and latches the said to-be-latched claw.

According to the first aspect of the invention, when attaching the waterproof connector to the cable, the operator only moves the seal holding member at the temporary fastening position to the fixed position after inserting the cable tip into the holding hole of the housing. In a simple configuration using the elastic seal member and the seal holding member, an excellent effect is achieved that the ease of attachment to the cable can be improved.
In addition, according to the second aspect of the invention, since the adhesion of the elastic seal member to the cable and the housing is improved, it is possible to stably ensure watertightness in a structure that can be easily attached to the cable.
In addition, according to the third aspect of the present invention, since water can be effectively prevented from entering between the seal holding member and the housing in a structure that can be easily attached, water tightness can be further improved in a structure that can be easily attached to a cable. Can be made.
In addition, according to the fourth invention, when the elastic seal member is sandwiched between the cable and the insertion hole, the surplus part due to the deformation enters the groove formed between the protrusions, Abnormal deformation (wrinkles, uneven deformation, swelling, etc.) of the elastic seal member can be effectively prevented. Further, since the contact area between the inner peripheral surface of the insertion hole and the outer peripheral surface of the elastic seal member is reduced, it is possible to reduce the frictional resistance when the elastic seal member is sandwiched between the cable and the insertion hole.
Further, according to the fifth aspect, the elastic seal member can be more effectively prevented from abnormal deformation, and the frictional resistance when the elastic seal member is sandwiched between the cable and the insertion hole can be reduced. It can be reduced more effectively.
Further, according to the sixth aspect, the temporary holding of the seal holding member to the housing can be realized with a simple configuration.
Moreover, according to the said 7th invention, temporary attachment and fixation of a seal | sticker protection member are realizable with the simple structure using the same to-be-latched piece.
Moreover, according to the said 8th invention, temporary fixing and fixation of a seal | sticker protection member are realizable with the simple structure using a to-be-latched nail | claw and a latching hole.

The perspective view which shows the connector assembly of the connection state which concerns on 1st Embodiment. The perspective view which shows the connector assembly of the non-coupling state concerning a 1st embodiment. 1 is an exploded perspective view of a mail connector according to a first embodiment. The disassembled perspective view of the female connector which concerns on 1st Embodiment The fragmentary sectional view which shows the attachment method of the mail connector with respect to the cable which concerns on 1st Embodiment Sectional drawing which shows the connector assembly of the connection state concerning 1st Embodiment The perspective view which shows the connector assembly of the connection state which concerns on 2nd Embodiment. The perspective view which shows the connector assembly of the non-coupling state concerning a 2nd embodiment. The exploded perspective view of the mail connector concerning a 2nd embodiment The disassembled perspective view of the female connector which concerns on 2nd Embodiment Sectional perspective view of a seal holding member according to a second embodiment Sectional drawing which shows the connector assembly of the connection state concerning 2nd Embodiment The perspective view which shows the connector assembly of the connection state which concerns on 3rd Embodiment. The perspective view which shows the connector assembly of the non-coupling state concerning a 3rd embodiment. The disassembled perspective view of the mail connector which concerns on 3rd Embodiment The disassembled perspective view of the female connector which concerns on 3rd Embodiment The fragmentary sectional view which shows the mail connector of the temporary attachment state which concerns on 3rd Embodiment Sectional drawing which shows the connector assembly of the connection state concerning 3rd Embodiment AA line sectional view in FIG. Sectional drawing which shows the connector assembly which concerns on 4th Embodiment

<First Embodiment>
Hereinafter, a waterproof connector assembly according to a first embodiment of the present invention will be described with reference to FIGS. In the description, “front”, “rear”, “left”, “right”, “upper”, and “lower” in the male connector and the male terminal and the female connector and the female terminal are shown in FIGS. 3 and 4, respectively. Follow the direction indicated by the arrow. In the mail connector 2 of FIGS. 1 and 2, for convenience of explanation, the seal holding member 13 is in a temporary fastening position. However, in actual use, the seal holding member 13 is held in the same manner as the female connector 3. Member 13 is in a fixed position.

  As shown in FIGS. 1 and 2, the waterproof connector assembly 1 includes a mail connector 2 attached to the cable C1 and a female connector 3 attached to the cable C2. The male connector 2 and the female connector 3 have shapes that can be coupled to each other, and due to the coupling, a male terminal T1 and a female terminal T2 (see FIGS. 3 and 4) at the ends of the cables C1 and C2 are formed. Are electrically connected to each other.

  As shown in FIG. 3, the mail connector 2 includes a housing 11 made of a synthetic resin in which a holding hole 10 that accommodates and holds the distal end portion of the cable C1 to which the male terminal T1 is attached, A provided cylindrical elastic seal member 12 and a synthetic resin seal holding member 13 that holds the elastic seal member 12 in a state of being attached to the housing 11 are provided. Each of these members 11 to 13 has a left-right symmetric shape and a vertically symmetric shape. The cable C1 includes a central conductor 15 and an outer covering 16 provided around the conductor 15, and a male terminal T1 is attached to the conductor 15 exposed from the tip.

  At the upper and lower portions of the front side of the housing 11, a locking cylinder portion 21 used for coupling with the female connector 3 is formed. In addition, the housing 11 has guide grooves 22 that guide the movement of the seal holding member 13 in the front-rear direction on the left and right side portions on the rear side. A pair of upper and lower temporary retaining claws 23, 23 are projected. A fixing claw 24 for fixing the elastic seal member 12 projects from the upper and lower outer surfaces on the rear side of the housing 11.

  The elastic seal member 12 is made of an elastic material such as silicone rubber and has an insertion hole 31 having a diameter corresponding to the outer diameter of the cable C1. As shown by a two-dot chain line in FIG. 5, a plurality of annular convex portions 32 a to 32 d are formed on the peripheral surface of the insertion hole 31. Further, on the outer peripheral surface on the front side of the elastic seal member 12, annular convex portions 32e and 32f are formed at positions corresponding to the annular convex portions 32c and 32d, respectively.

  The seal holding member 13 has a cylindrical main body portion 13a in which an insertion hole 35 into which the rear side of the elastic seal member 12 and the cable C1 are inserted is formed. The front side of the main body 13 a is provided so as to be inserted into the holding hole 10 of the housing 11. Guide pieces 36 inserted into the guide grooves 22 of the housing 11 extend forward on the left and right sides of the main body 13a. A groove 36a is provided in the middle of the guide piece 36 in the vertical direction, and the portions located on both sides of the groove 36a can be elastically deformed so as to approach each other.

  Temporary fastening of the seal holding member 13 to the housing 11 is performed by inserting the guide piece 36 into the guide groove, and the temporary retaining claws 37 and 37 projecting up and down to the temporary retaining claws 23 and 23 of the housing 11. Is done. Further, a locking ring 38 extends forward and downward from the top and bottom of the main body 13a. The locking ring 38 is locked by the fixing claw 24 of the housing 11, whereby the seal holding member 13 is moved to the housing. 11 is fixed.

  As shown in FIG. 4, the female connector 3 includes a synthetic resin housing 41 in which a holding hole 40 for receiving and holding the distal end portion of the cable C2 to which the female terminal T2 is attached is formed. Locking pieces 42 used for coupling with the mail connector 2 are formed on the upper and lower portions of the front side of the housing 41. The locking piece 42 is inserted into the locking cylinder portion 21 of the corresponding mail connector 2, and the outward locking claw 43 at the tip thereof is locked to the opening edge on the rear side of the locking cylinder portion 21, thereby The mail connector 2 and the female connector 3 are coupled. The housing 41 has an insertion portion 41 a that protrudes forward. When the housing 41 is coupled to the mail connector 2, the insertion portion 41 a is inserted into the coupling hole 110 that is continuous with the holding hole 10 of the mail connector 2. .

  In the female connector 3, the functions and configurations of the elastic seal member 12 and the seal holding member 13, and the rear portion of the housing 41 that engages with the elastic seal member 12 and the seal holding member 13 (the guide groove 22, the temporary retaining claws 23, 23 and the fixing claws 24) are the same as those in the case of the mail connector 2 described above, and detailed description thereof is omitted. The cable C2 has the same configuration as the cable C1 except that the female terminal T2 is attached to the tip of the cable C2.

  When attaching the male connector 2 having the above configuration to the cable C1, as shown in FIG. 5 (A), first, the operator attaches the seal holding member 13 to the housing 11 to make a temporary fastening state. The cable C1 is inserted in the direction indicated by the arrow A with respect to the mail connector 2 in the temporarily fastened state. At this time, the seal holding member 13 is in the temporary fastening position, and as shown in FIG. 2, the temporary retaining claws 37 and 37 of the guide piece 36 are inserted into the housing 11 with the guide piece 36 inserted into the guide groove 22. The temporary retaining claws 23 and 23 are locked. On the other hand, as shown in FIG. 5A, the locking ring 38 has a front edge 38 a located behind the fixed claw 24 of the housing 11 and is not locked to the fixed claw 24. In addition, the elastic seal member 12 is accommodated in the enlarged diameter portion 10 a in the holding hole 10 of the housing 11 on the front side where the annular convex portions 32 c to 32 f are formed, and a part on the rear side is inserted into the seal holding member 13. It is inserted into the hole 35.

  At this time, the front side of the elastic seal member 12 is sandwiched between the cable C1 and the holding hole 10, and the annular protrusions 32c to 32f are compressed between the cable C1 and the holding hole 10. Thus, the adhesion of the elastic seal member 12 to the cable C1 and the housing 11 is improved. In the elastic seal member 12, the rear portion of the insertion hole 31 in which the annular convex portions 32a and 32b are formed is gradually enlarged in diameter toward the rear, so that the cable C1 can be easily inserted.

  Next, as shown in FIG. 5B, the operator moves the seal holding member 13 in the temporary fastening position to the front fixed position along the axial direction of the cable C1. At this time, the locking ring 38 of the seal holding member 13 is elastically deformed to get over the fixed claw 24 of the housing 11, and the front edge 38 a is locked on the front side of the fixed claw 24 of the housing 11. At this time, the elastic seal member 12 is completely inserted into the insertion hole 35 of the seal holding member 13 at the rear side where the annular convex portions 32 a and 32 b are formed. Thereby, the rear side of the elastic seal member 12 is sandwiched between the cable C1 and the insertion hole 35, and the water-tightness of the mail connector 2 is secured. The annular protrusions 32a and 32b of the elastic seal member 12 are compressed between the elastic seal member 12, the inner peripheral surface of the insertion hole 31 and the outer peripheral surface of the cable C1, and are elastic with respect to the cable C1 and the housing 11. The adhesion of the seal member 12 is improved. Note that the diameter of the insertion hole 35 of the seal holding member 13 into which the elastic seal member 12 is inserted is gradually reduced toward the rear, whereby the adhesion of the elastic seal member 12 to the cable C1 and the insertion hole 35 is reduced. Will increase.

  The female connector 3 can be attached to the cable C2 in the same manner as in the case of the male connector 2.

  The worker attaches the mail connector 2 and the female connector 3 to the cables C1 and C2 and fixes them, and then couples them together as shown in FIG. At this time, the insertion part 41 a of the female connector 3 is inserted into the holding hole 10 of the mail connector 2, and the locking pieces 42, 42 are inserted into the locking cylinder parts 21, 21 of the mail connector 2, at the rear edge. The locking claw 43 is locked. Further, an O-ring 52 is attached to the annular groove 51 on the proximal end side of the insertion portion 41a, and the O-ring 52 is sandwiched between the inner peripheral surface of the holding hole 10 and the outer peripheral surface of the insertion portion 41a. The water tightness of the joint between the mail connector 2 and the female connector 3 is ensured. Further, the tip of the male terminal T1 accommodated and held in the mail connector 2 is inserted into the female terminal T2 accommodated in the female connector 3, and the cables C1 and C2 are electrically connected to each other.

  As described above, according to the mail connector 2 (also the female connector 3), when attaching to the cable C1, the operator inserts the tip of the cable C1 into the holding hole 10 of the housing 11, and then temporarily fixes the position. It is only necessary to move the seal holding member 13 to the fixed position, and in a simple configuration using the elastic seal member 12 and the seal holding member 13, the ease of attachment to the cable C1 can be improved.

<Second Embodiment>
Next, a waterproof connector assembly according to a second embodiment of the present invention will be described with reference to FIGS. Unless otherwise specified below, the same components as those in the first embodiment described above are denoted by the same reference numerals and detailed description thereof is omitted.

  In the second embodiment, as shown in FIG. 7, uneven surfaces are formed on the upper and lower portions of the housings 11 and 41 of the mail connector 2 and the female connector 3 so that the operator can easily support them with fingers. A tab 61 is provided. When the mail connector 2 and the female connector 3 are coupled, the locking pieces 42 and 42 of the female connector 3 are inserted into the locking openings 121 and 121 of the mail connector 2 as shown in FIG. . At this time, the inward locking claw 43 formed at the tip of the locking pieces 42, 42 is locked to the locking claw 121 a formed of a step provided on the inner wall of the locking openings 121, 121. .

  As shown in FIGS. 9 and 10, the left and right sides of the main body 13 a of the seal holding member 13 are the same as the upper and lower sides of the main body 13 a instead of the guide piece 36 (see FIGS. 3 and 4) of the first embodiment. A locking ring 138 is provided. In addition, temporary retaining claws 37 and fixed claws 24 are arranged in the front-rear direction on the left and right side surfaces of the rear ends of the housings 11 and 41. In this case, the temporary holding of the seal holding member 13 to the housing 11 is performed by locking the front edge portion 138 a of the locking ring 138 to the temporary retaining claws 37 of the housing 11. Further, the front edge portion 138a of the locking ring 138 is locked by the fixing claw 24 of the housing 11 by moving the seal holding member 13 in the temporary fixing position to the front fixing position along the axial direction of the cable C1. Thus, the seal holding member 13 can be fixed to the housing 11.

  Further, as shown in FIG. 11, the seal holding member 13 is provided with a plurality of protrusions 65 that project from the inner peripheral surface of the insertion hole 35 and extend along the axial direction. Yes. The plurality of protrusions 65 are evenly arranged at intervals in the circumferential direction of the insertion hole 35.

  When the elastic seal member 12 is sandwiched between the cable C1 (C2) and the insertion hole 35, the surplus part due to the deformation enters the groove 66 between the protrusions 65, so that the elastic seal Abnormal deformation (wrinkles, uneven deformation, swelling, etc.) of the member 12 can be effectively prevented. Further, since the contact area between the inner peripheral surface of the insertion hole 35 and the outer peripheral surface of the elastic seal member 12 is reduced, the friction when the elastic seal member 12 is sandwiched between the cable C1 (C2) and the insertion hole 35 is reduced. There is also an advantage that resistance can be reduced. Further, the height of the top of each protrusion 65 from the inner peripheral surface of the insertion hole 35 decreases as it reaches the front (that is, the moving direction of the seal holding member 13). With such a configuration, the effect of preventing abnormal deformation of the elastic seal member 12 and the effect of reducing the frictional resistance of the elastic seal member 12 are further enhanced.

  The configuration of the protrusion 65 on the inner peripheral surface of the seal holding member 13 shown in FIG. 11 is the same as that of the seal holding member 13 in the above-described first embodiment and third and fourth embodiments described later. It is possible to apply.

<Third Embodiment>
Next, a waterproof connector assembly according to a third embodiment of the present invention will be described with reference to FIGS. Unless otherwise specified below, components similar to those in the first embodiment or the second embodiment described above are denoted by the same reference numerals and detailed description thereof is omitted.

  In the third embodiment, when the mail connector 2 and the female connector 3 are coupled, as shown in FIG. 17, the outward locking claws 43 formed at the tips of the locking pieces 42, 42 are provided. The locking openings 121 and 121 are locked by inward locking claws 121 a provided at the end edges of the locking openings 121 and 121.

  As shown in FIG. 17, the elastic seal member 12 has an annular portion 71 extending radially from its outer peripheral surface. The annular portion 71 is moved along with the movement of the seal holding member 13. And the housing 11 (41). With such a configuration, water intrusion between the seal holding member 13 and the housing 11 (41) can be effectively prevented, so that water tightness can be improved. Further, the outer peripheral edge of the annular portion 71 is bent forward, and the distal end 72 of the bent portion is disposed so as to surround the front side of the main body of the elastic seal member 12 in which the annular convex portions 32c to 32f are formed. Has been. Moreover, the front-end | tip 72 of a bending site | part is accommodated in the annular groove 73 provided in the rear surface of the housing 11 (41). With such a configuration, it is possible to further improve the water tightness.

  In the third embodiment, as shown in FIGS. 15 and 16, guide pieces 36 (see FIGS. 3 and 4) provided on the left and right of the main body 13a of the seal holding member 13 in the first or second embodiment. ) And the locking ring 138 (see FIGS. 9 and 10), only the guide pieces 36 and 36 provided on the upper and lower sides of the main body 13 a are used for temporarily fixing and fixing the seal holding member 13 to the housing 11. The

  When attaching the mail connector 2 to the cable C1, as shown in FIG. 18 (A), first, the operator attaches the seal holding member 13 to the housing 11 to make it temporarily attached, and then temporarily attaches the mail connector 2 to the cable C1. The cable C1 is inserted into the mail connector 2 in the direction indicated by the arrow A. At this time, the seal holding member 13 is in the temporary fastening position, and the temporary retaining claws 37, 37 of the guide piece 36 are placed in the state where the guide piece 36 is inserted into the guide hole 122 of the housing 11 as shown in FIG. It is locked in first locking holes 81 provided on the left and right sides of the housing. Next, as shown in FIG. 18 (B), when the operator moves the seal holding member 13 at the temporary fastening position to the front fixed position along the axial direction of the cable C1, the temporary retaining claws 37, 37 are moved. Is elastically deformed to disengage from the first locking hole 81 and is locked to the second locking hole 82 (see FIG. 18) arranged in front of the first locking hole 81. With such a configuration, the temporary holding and fixing of the seal holding member 13 to the housing 11 can be realized with a simple configuration using one guide piece 36 (temporary retaining claws 37, 37).

<Fourth embodiment>
Next, a waterproof connector assembly according to a fourth embodiment of the present invention will be described with reference to FIG. In addition, unless otherwise mentioned below, about the component similar to the above-mentioned 1st Embodiment-3rd Embodiment, the same code | symbol is attached | subjected and detailed description is abbreviate | omitted.

  In the fourth embodiment, the waterproof end portions X and X of the mail connector 2 and the female connector 3 shown in FIG. 8 are used as a part of the housing 102 of the junction box 101 that is used for coupling and branching of the cables C1 and C2. It is configured as a part. Inside the waterproof end portions X and X, an elastic seal member 12 is interposed as in the case of FIG. In addition, although illustration and description are abbreviate | omitted about the internal structure of the junction box 102, a well-known structure is employable.

  As described above, the waterproof connector according to the present invention is not necessarily configured as an independent component, and one or both of the mail connector 2 and the female connector 3 are configured as a cable connection portion in a housing of an electronic device or the like. May be. Further, the structures of the cables C1 and C2 to which the waterproof connector according to the present invention is attached are not limited to those described above, and various modifications can be made.

1 Connector assembly 2 Mail connector (waterproof connector)
3 Female connector (waterproof connector)
DESCRIPTION OF SYMBOLS 10 Holding hole 11 Housing 12 Elastic seal member 13 Seal holding member 13a Main body part 21 Locking cylinder part 22 Guide groove 23 Temporary retention claw (1st locking part)
24 Fixed claw (second locking part)
31 Insertion hole 32a-32e Annular convex part 35 Insertion hole 36 Guide piece (locked piece)
37 Temporary nail (locked nail)
38 Locking ring 40 Holding hole 41 Housing 42 Locking piece 43 Locking claw 51 Annular groove 65 Projection part 66 Groove part 71 Annular part 73 Annular groove 81 First locking hole (first locking part)
82 Second locking hole (second locking part)
121 Locking opening 121a Locking claw 122 Guide hole 138 Locking ring C1, C2 Cable T1 Male terminal T2 Female terminal

Claims (8)

A waterproof connector for cable connection,
A housing in which a holding hole for receiving and holding the tip of the cable is formed;
A cylindrical elastic seal member having one end sandwiched between the cable and the holding hole;
A seal holding member having an insertion hole into which the cable is inserted and provided so as to be movable in the axial direction of the cable from a temporarily fixed position temporarily fixed to the housing to a fixed position fixed to the housing. ,
The waterproof connector is characterized in that the other end side of the elastic seal member is sandwiched between the cable and the insertion hole as the seal holding member moves.   The elastic seal member has an annular convex portion on at least one of the inner peripheral side and the outer peripheral side thereof, and the annular convex portion is compressed when sandwiched between the holding hole or the insertion hole. The waterproof connector according to claim 1.   The elastic seal member has an annular portion extending radially from the outer peripheral surface thereof, and the annular portion is sandwiched between the seal holding member and the housing as the seal holding member moves. The waterproof connector according to claim 1 or 2, wherein the waterproof connector is characterized in that:   The said seal holding member has a some protrusion part extended along the axial direction of the said insertion hole while protrudingly providing from the inner peripheral surface of the said insertion hole, The Claim 1 characterized by the above-mentioned. Item 4. The waterproof connector according to any one of Items 3.   5. The waterproof connector according to claim 4, wherein the height of the top of the protrusion from the inner peripheral surface of the insertion hole decreases as the seal holding member moves in the moving direction. .   The said seal holding member has a main-body part inserted in the said holding hole, and a pair of to-be-latched piece extended from the said main-body part, The any one of Claims 1-5 characterized by the above-mentioned. Waterproof connector as described in 1.   The housing includes a first locking portion that locks the locked piece when the seal holding member is in the temporary fixing position, and the locked piece when the seal holding member is in the fixed position. The waterproof connector according to claim 6, further comprising a second locking portion that locks the connector. The locked piece has a locked claw locked to the housing,
The first locking portion and the second locking portion are locking holes that are arranged in a moving direction of the seal holding member and lock the locked claws, respectively. Item 8. The waterproof connector according to Item 7.

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