JP2007080669A - Caulking ring member - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a caulking ring member capable of preventing water immersion into the inside from a spacing between the inner peripheral face of a housing and a water proof member, and between the outer peripheral face of a cable and the water proof member by a simple constitution and work. <P>SOLUTION: The caulking member 20 is equipped with a metallic sleeve 21 enabled to sheath a cable 2, and with the water proof member 22 of an elastic material having the inner peripheral part 22a covering the inner peripheral part of the sleeve 21 and enabled to sheath the cable and having the outer peripheral part 22c covering the outer peripheral face of the sleeve 21. The caulking ring member 20 is attached to the cable 2 by caulking the metallic sleeve 21 and the water proof member 22 to the outer periphery of the cable 2, sealed waterproofing is carried out between the outer peripheral face of the cable 2 at least by one part of the inner peripheral part 22a of the water proof member 22, and water proofing is carried out between the inner peripheral face of the housing 10 at least by one part of the outer peripheral part 22c of the water proof member 22. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a caulking ring member that is caulked to the outer periphery of a single-core or multi-core cable, and more particularly, to impart waterproofness.

Conventionally, as a shield connector in which a metal ring is caulked on a shielded electric wire, for example, the one shown in FIG. 15 (see Patent Document 1) is known. FIG. 15 is a cross-sectional view of a conventional shield connector in which a metal ring is caulked to a shielded electric wire.
In FIG. 15, the shielded electric wire 100 is sequentially provided with a core wire 101, an inner insulating layer 102, a shield layer 103, and an outer covering 104 from the axial center side toward the outer peripheral side, and the core wire 101, The internal insulating layer 102 and the shield layer 103 are sequentially exposed from the front end side (right side in the drawing). A metal cylindrical inner sleeve (not shown) is fitted inside the exposed portion of the shield layer 103. A metal caulking ring member 131 is caulked outside the shield layer 103 into which the inner sleeve is inserted. The caulking ring member 131 includes a cylindrical portion 132 that can be mounted on the shield layer 103 and a hook-shaped stopper portion 133 provided at one end of the cylindrical portion 132. A metal terminal fitting 134 is crimped to the core wire 101 of the shielded electric wire 100.

The caulking ring member 131 sheathed on the shielded electric wire 100 is press-fitted into the press-fitting hole 142 of the metal conductive flange 141. At this time, the stopper portion 133 of the caulking ring member 131 comes into contact with the end face of the conductive flange 141, and the shield layer 103 is conductively connected to the conductive flange 141.
Then, in a state where the shielded electric wire 100 is press-fitted and held in the conductive flange 141, this is set in a molding mold for soft resin, and the waterproof cylinder portion 125 is molded by filling the mold with molten resin. . After taking this out of the mold, this is set in a molding mold for resin having high rigidity, and the housing 121 is formed by filling the mold with molten resin. And after taking this out from a metal mold | die, the seal ring 123 is mounted | worn with the insertion part 122 of the housing 121. FIG. Thereby, the shield connector 120 is completed.

Then, the insertion portion 122 of the housing 121 is inserted into the mounting hole 151 of the shield wall 150, and when the end surface of the conductive flange 141 comes into contact with the wall surface of the shield wall 150, the conductive flange 141 is connected by a bolt (not shown). Screw on the shield wall 150. As a result, the shield layer 103 of the shielded electric wire 100 is conductively connected to the shield wall 150. Further, the seal ring 123 is in close contact with the inner peripheral surface of the mounting hole 151 so that the mounting hole 151 is waterproofed. Further, on the rear side (left side in the drawing) of the shield connector 120, a waterproof cylindrical portion 125 made of a resin softer than the housing 121 is in close contact with the inner peripheral surface of the housing 121 and the outer peripheral surface of the shielded electric wire 100. Water is prevented from entering between the inner peripheral surface 121 and the waterproof cylindrical portion 125 and between the outer peripheral surface of the shielded electric wire 100 and the waterproof cylindrical portion 125.
JP 2002-8746 A

However, the shield connector 120 in which the metal ring is caulked on the shielded wire shown in FIG. 15 has the following problems.
That is, the waterproof cylindrical portion 125 can prevent water from entering between the inner peripheral surface of the housing 121 and the waterproof cylindrical portion 125 and between the outer peripheral surface of the shielded electric wire 100 and the waterproof cylindrical portion 125. However, when forming the waterproof cylindrical portion 125, the shielded electric wire 100 is press-fitted and held on the conductive flange 141, and this is set in a molding mold for soft resin, and the mold is filled with molten resin. It is necessary to form the waterproof cylinder part 125, the configuration is complicated, and the forming operation of the waterproof cylinder part 125 is troublesome.

Also, when forming the housing 121, the sealed electric wire 100 molded with the waterproof cylindrical portion 125 is set in a molding die for resin having high rigidity, and the molten resin is filled in the die. Therefore, it is necessary to form the housing 121, so that the forming operation of the housing 121 is troublesome. On the other hand, the shielded electric wire 100 was not configured to prevent the shielded electric wire 100 from being detached from a previously manufactured housing.
Accordingly, the present invention has been made in view of the above-described problems, and the object thereof is to provide a simple configuration and operation between the inner peripheral surface of the housing and the waterproof member and between the outer peripheral surface of the cable and the waterproof member. An object of the present invention is to provide a caulking ring member that can prevent water from entering from the inside to the inside.
Another object of the present invention is to provide a caulking ring member capable of preventing a cable from being detached from a housing with a simple configuration and operation.

  In order to solve the above problem, a caulking ring member according to claim 1 of the present invention includes a metal sleeve that can be sheathed on a cable, and an inner circumferential portion that covers the inner circumferential surface of the sleeve and can be sheathed on the cable. And a waterproof member made of an elastic material having an outer peripheral portion covering an outer peripheral surface of the sleeve, and the metal sleeve and the waterproof member are attached to the cable by caulking the outer periphery of the cable, and The outer peripheral surface of the cable is sealed with at least a part of the inner peripheral portion of the waterproof member, and the inner peripheral surface of the housing is sealed with at least a portion of the outer peripheral portion of the waterproof member. It is said.

A caulking ring member according to a second aspect of the present invention is the caulking ring member according to the first aspect, wherein a retaining member for retaining the retaining member for retaining the cable in the housing is inserted. Is provided on the outer peripheral portion of the waterproof member.
Furthermore, the caulking ring member according to claim 3 of the present invention is the caulking ring member according to claim 2, wherein the recess for inserting the retaining member includes the metal sleeve and the waterproof member on the outer periphery of the cable. It is characterized by being formed by caulking.

  According to the caulking ring member of the present invention, the metal sleeve that can be sheathed on the cable, the inner peripheral portion that covers the inner peripheral surface of the sleeve and that can be sheathed on the cable, and the outer periphery of the sleeve A waterproof member made of an elastic material having an outer peripheral portion covering the surface, and is attached to the cable by caulking the metal sleeve and the waterproof member to an outer periphery of the cable, and an inner periphery of the waterproof member Since the gap between the outer peripheral surface of the cable is sealed by at least a part of the portion and the gap between the inner peripheral surface of the housing is sealed by at least a portion of the outer peripheral portion of the waterproof member, the waterproof member is caulked by the ring member. It is not necessary to form it separately by molding or the like. It is possible to prevent water from entering inside from between the outer peripheral surface and the waterproof member.

  Moreover, according to the caulking ring member according to claim 2 of the present invention, in the caulking ring member according to claim 1, the retaining member is inserted into which the retaining member for retaining the cable from the housing is inserted. Since the concave portion for the waterproof member is provided on the outer peripheral portion of the waterproof member, it is possible to prevent the cable from being removed from the housing of the cable by inserting the retaining member into the concave portion for fitting the retaining member. Can be prevented.

  Furthermore, according to the caulking ring member according to claim 3 of the present invention, in the caulking ring member according to claim 2, the recessed portion for fitting the retaining member includes the metal sleeve and the waterproof member of the cable. Since it is formed by caulking to the outer periphery, it is not necessary to perform the operation of forming the recess for inserting the retaining member separately from the caulking operation, and it can be performed efficiently.

  Next, embodiments of the present invention will be described with reference to the drawings. FIG. 1 shows a state before a connector to which a cable assembly in which a caulking ring member according to the present invention is caulked is attached is mated with a mating connector connected to the servo motor side. It is the perspective view which looked at from the fitting surface side. FIG. 2 is a perspective view showing a state before the connector is fitted to the mating connector connected to the servo motor side as in FIG. 1, and the connector is viewed from the side opposite to the fitting surface. FIG. 3 is a perspective view showing a state after the connector is fitted to the mating connector connected to the servo motor side, and the connector is viewed from the fitting surface side. FIG. 4 is a perspective view showing a state after the connector is fitted to the mating connector connected to the servo motor side as in FIG. 3, and the connector is viewed from the side opposite to the fitting surface.

  As shown in FIGS. 1 to 4, the connector 1 to which the cable 2 is attached is fitted to the mating connector 50 connected to the servo motor 80 side. The connector assembly A is constituted by the connector 1 and the mating connector 50. In the present embodiment, two mating connectors 50 are connected to the servo motor 80 side, and the connector 1 is fitted to each mating connector 50. The cable 2 is connected to a controller (not shown).

  FIG. 5 is a perspective view of a connector assembly in which the connector shown in FIG. 1 and the mating connector are fitted. 6 is an exploded perspective view of the connector assembly shown in FIG. 7 shows the connector assembly shown in FIG. 5, (A) is a plan view, and (B) is a front view. FIG. 8 is a cross-sectional view taken along line 8-8 in FIG. FIG. 9 is a cross-sectional view taken along line 9-9 of FIG. FIG. 10 is a perspective view of a cable assembly in which a caulking ring according to the present invention is caulked to a cable.

As shown in FIGS. 10 and 12, the cable 2 is formed by concentrically twisting a plurality of insulated wires (seven in this embodiment) provided with an insulator 4 around the core wire 3. A multi-core in which the periphery of the insulated wire twisted together is pressed with a pressing tape (not shown), a shield layer made of a braided wire (not shown) is provided on the outer periphery of the pressing tape, and a protective coating 5 is provided on the outer periphery of the shielding layer Consists of cables.
Then, at one end side (the left end side in FIG. 10) of the cable 2, the protective coating 5 is cut so that a plurality of insulated wires are led out, and the caulking ring member 20 is caulked on the outer periphery of the cut end side of the cable 2. It has been. A cable assembly is configured by the cable 2 and the caulking ring member 20 that is caulked to the outer periphery of the cable 2.

  11A and 11B show a caulking ring member before caulking to a cable, in which FIG. 11A is a front view, FIG. 11B is a side view, and FIG. 11C is a sectional view taken along line 11C-11C in FIG. 12A and 12B show the cable assembly, where FIG. 12A is a front view, FIG. 12B is a side view, FIG. 12C is a sectional view taken along line 12C-12C in FIG. Sectional drawing along line -12D, (E) is a sectional view along line 12E-12E in (B), and (F) is a sectional view along line 12F-12F in (B).

  As shown in FIGS. 11 and 12, the caulking ring member 20 includes a metal sleeve 21 that can be sheathed on the cable 2 and a waterproof member 22. The waterproof member 22 is formed in a bag shape, covers an inner peripheral surface of the sleeve 21 and extends from the inner peripheral portion 22a and the inner peripheral portion 22a that can be sheathed on the cable 2 and an outer peripheral portion 22c that covers the outer peripheral surface of the sleeve 21. Have. The waterproof member 22 is made of rubber such as nitrile rubber, silicone rubber, and fluorine rubber, and an elastic material such as vinyl resin. The elastic material of the waterproof member 22 is not limited to rubber and vinyl resin, and any material that is flexible and elastic can be used. The metal sleeve 21 and the waterproof member 22 made of an elastic material may be integrally formed by two-color molding, or the sleeve 21 and the waterproof member 22 may be separately manufactured and the waterproof member 22 is attached to the sleeve 21. You may make it wear.

  The metal sleeve 21 includes a cylindrical portion 21a that can be sheathed on the cable 2, and a flange portion 21b that extends slightly outward at the front end (the upper end in FIG. 11C) of the cylindrical portion 21a. The sleeve 21 is preferably made of a copper alloy such as brass. This is because when the sleeve 21 is made of a copper alloy, it is easy to be plastically deformed, and the required mechanical strength can be obtained.

  Further, the inner peripheral portion 22a of the waterproof member 22 has a cylindrical shape and extends from the rear end of the sleeve 21 to the front end. The outer peripheral portion 22c has a cylindrical shape and extends from the rear end of the inner peripheral portion 22a to the front end of the sleeve 21 via the connecting portion 22b. A seal portion 22d is formed at the front end of the outer peripheral portion 22c to seal between the inner peripheral surface of a through hole 12 formed in the housing 10 described later. The seal portion 22d is formed in a form that extends slightly outward from the front end of the outer peripheral portion 22c, and is in close contact with the rear surface of the flange portion 21b of the sleeve 21. The waterproof member 22 is formed in a bag shape in order to simplify the manufacturing process (can be formed once), but in order to achieve the purpose of waterproofing, the inner periphery of the sleeve 21 is formed. It is only necessary that the peripheral portion 22a is in close contact and the outer peripheral portion 22c is in close contact with the outer periphery of the sleeve 21, and the connecting portion 22b is not necessarily provided. That is, the outer peripheral portion 22c of the waterproof portion 22 may not be formed so as to extend from the inner peripheral portion 22a.

  As shown in FIG. 12C, the caulking ring member 20 formed in this way has the cut end of the cable 2 such that the end face of the flange portion 21 b of the sleeve 21 is substantially flush with the cut end face of the cable 2. The sleeve 21 and the waterproof member 22 are caulked to the outer periphery of the cable 2 and attached. This caulking is performed at two locations at predetermined intervals in the front-rear direction of the sleeve 21 and the waterproof member 22. As shown in FIGS. 12D and 12F, the sleeve 21 and the waterproof member 22 in the caulked portion are substantially square in shape in which the front side and the rear side are out of phase with each other by about 45 degrees. It has become a shape. And the recessed part 23a, 23b for retaining member insertion is formed in the caulked part of the outer peripheral part 22c of the waterproof member 22. As shown in FIG. The caulked portion of the inner peripheral portion 22 a of the waterproof member 22 is in close contact with the outer peripheral surface of the cable 2 and seals between the outer peripheral surface of the cable 2.

Note that when forming the recesses 23a and 23b for retaining the retaining members, grooves are formed on the outer periphery of the metal sleeve 21 in advance by, for example, cutting before the cable 2 is caulked. You may form the retaining member insertion recessed parts 23a and 23b in the outer peripheral part 22c.
As shown in FIGS. 5 to 9, the connector 1 is attached to the housing 10, a housing 10 for holding the cable 2, a retaining member 30 for preventing the cable 2 from being detached from the housing 10, and a plurality ( In the present embodiment, a sub-housing 40 for accommodating seven contacts 44) and a lock member 45 are provided. The retaining member 30 is composed of a metal U-shaped flat plate provided with a pair of leg portions 30b and a connecting portion 30a that connects one end of the leg portions 30b.

  The housing 10 is formed by molding an insulating resin, and includes a housing body 11 having a round through-hole 12 in which a caulking ring member 20 of a cable assembly is accommodated. The through hole 12 penetrates from the front side (right side in FIG. 9) to the rear side in the housing main body 11, and has a large diameter portion with a relatively large inner diameter provided in front and a diameter reduction from the large diameter portion. The step part 12a inclined so as to have a small-diameter part extending rearward from the step part 12a. The large diameter portion of the through hole 12 has a diameter through which the flange portion 21b of the metal sleeve 21 and the seal portion 22d of the waterproof member 22 can be inserted, and the small diameter portion of the through hole 12 is formed by the outer peripheral portion 22c of the waterproof member 22. It has a diameter that can be inserted. The housing body 11 is provided with a retaining member insertion hole 13 into which the retaining member 30 is inserted. The retaining member insertion hole 13 has a shape corresponding to the shape of the retaining member 30 formed of a U-shaped flat plate, and is formed to extend from the upper surface of the housing body 11 toward both side portions of the through hole 12. . The retaining member insertion holes 13 are open on the inner surface of the through hole 12 as shown in FIG. The position of the retaining member insertion hole 13 in the front-rear direction in the housing main body 11 is such that the retaining member insertion recesses 23 a and 23 b provided at two locations of the crimping ring member 20 when the crimping ring member 20 is received in the through hole 12. Corresponds to the position on the front side (connector side). A sub housing receiving recess 14 for receiving the sub housing 40 is formed in front of the housing body 11. Further, a pair of press-fitting holes 16 (see FIG. 13) into which a pin member 43 for fixing the sub-housing 40 to the housing main body 11 is press-fitted is provided on the front end surface of the housing main body 11. Further, a pair of support shafts 15 for supporting the lock member 45 is formed on both side surfaces of the housing body 11 so as to project. The housing body 11 may be a metal.

  The sub-housing 40 is formed in a substantially rectangular shape by molding an insulating resin, and a plurality (seven in this embodiment) of contact housing cavities 41 are provided therein. A contact 44 is accommodated in each contact accommodating cavity 41. Each contact 44 is connected to each of the insulated conductors of the cable 2. The sub-housing 40 is provided with a pedestal portion 42 (see FIG. 6) for orienting a plurality of insulated conductors from the cable 2. The sub-housing 40 is formed with a pair of insertion holes 42a through which pin members 43 for fixing the sub-housing 40 to the housing body 11 are inserted.

  Further, the lock member 45 is formed in a crank shape by bending a metal rod-like body, and horizontally extends a horizontal portion 45a and a pair of vertical portions 45b extending in the vertical direction from both ends of the horizontal portion 45a, A pair of locking portions 45c extending outward in the horizontal direction from each of the pair of vertical portions 45b, and orthogonal to the horizontal portion 45a, the vertical portion 45b, and the locking portion 45c from each of the pair of locking portions 45c. A pair of mounting leg portions 45d extending in the direction and a pair of hook portions 45e provided at the respective tips of the pair of mounting leg portions 45d are provided. As shown in FIGS. 5 and 7, each hook portion 45 e is pivotally supported by support shafts 15 provided on both side surfaces of the housing body 11, whereby the lock member 45 is centered on the support shaft 15. It is designed to rotate. Then, when the connector 1 is fitted to the mating connector 50, the latching portion 45c of the lock member 45 is latched by a later-described latching recess 61 provided in the mating connector 50. The fitting state with the connector 50 is locked. In order to perform this locking reliably and reliably, each locking portion 45c is connected to the hook portion 45e side (when the locking portion 45c is locked to the locking recess 61 as shown in FIG. 7A). It has a shape curved toward the stopper 45c side).

Next, a method for assembling the connector 1 will be described. FIG. 13 is a perspective view for explaining an operation process for holding the cable 2 in the housing 10. FIG. 14 is an explanatory diagram for explaining an operation process for preventing the cable from being detached from the housing 10 by the retaining member 30.
First, the caulking ring member 20 is connected to the cut end side of the cable 2 so that the end face of the flange portion 21b of the sleeve 21 is substantially flush with the cut end face of the cable 2, as shown in FIGS. And is attached by caulking the outer periphery of the cable 2. Thereby, the cable assembly is completed. Then, a contact 44 is crimped and connected to each core wire 3 of the cable 2.

  Next, as shown in FIG. 13, the cable 2 is inserted in the direction of arrow A from the front side of the housing 10 into the through hole 12 of the housing 10 with the side opposite to the side where the caulking ring member 20 is mounted as the head. Then, as shown in FIG. 14, the caulking ring member 20 is accommodated in the through hole 12. At this time, the retaining member insertion recess 23 a of the caulking ring member 20 is located at a position corresponding to the retaining member insertion holes 13 formed on both sides of the through hole 12. Further, the seal portion 22d of the waterproof member 22 contacts the stepped portion 12a of the through hole 12, and the flange portion 21b of the metal sleeve 21 presses the seal portion 22d in the axial direction of the cable 2, thereby penetrating the housing 10. The inner peripheral surface of the hole 12 and the waterproof member 22 are in close contact and sealed.

  Then, as shown in FIGS. 13 and 14, the retaining member 30 is inserted into the retaining member insertion hole 13 of the housing 10 in the arrow B direction from above the housing 10 with the leg portion 30 b facing down. Then, as shown in FIG. 8, the leg portion 30b of the retaining member 30 is fitted into the retaining member fitting recess 23a of the caulking ring member 20, and the caulking ring member 20 is prevented from coming off from the housing 10 in the front-rear direction. The As a result, the cable 2 is prevented from being detached from the housing 10.

Thereafter, the plurality of contacts 44 connected to the core wire 3 of the cable 2 are received in the contact receiving holes 41 of the sub housing 40, and the sub housing 40 is received in the sub housing receiving recess 14 of the housing 10. Then, the sub housing 40 is fixed to the housing 10 by press-fitting the pin member 43 into the press-fitting hole 16 of the housing 10 through the insertion hole 42 a of the sub-housing 40.
Then, the hook portions 45e of the lock member 45 are pivotally supported on the support shafts 15 provided on both side surfaces of the housing body 11, and a seal ring member 46 (see FIG. 6) is attached to the front end surface of the housing body 11. It fits into the formed ring groove 17. Thereby, the connector 1 is completed.

  On the other hand, the mating connector 50 includes a mating housing 70 that houses a plurality (seven in the present embodiment) of mating contacts 71 and a cover member 60 that covers the mating housing 70. Each counterpart contact 71 is connected to the circuit side of the servo motor 80. The cover member 60 is formed with a pair of locking recesses 61 in which the locking portion 45c of the lock member 45 is locked.

Then, as shown in FIGS. 1 to 5 and FIGS. 7 to 9, when the sub housing 40 of the connector 1 is fitted into the mating housing 70 of the mating connector 50 connected to the servo motor 80 side, the contact 41 becomes the mating contact. 71, the controller (not shown) connected to the cable 2 and the servo motor 80 are electrically connected. Then, the locking member 45 is rotated in the direction of the arrow C shown in FIG. 5 so that the locking portion 45 c of the locking member 45 is locked to the locking recess 61 of the cover member 60. Lock state. In this fitted state, the housing 10 of the connector 1 and the cover member 60 of the mating connector 50 are sealed by a ring member 46 as shown in FIG.
When the fitting between the connector 1 and the mating connector 50 is released, the locking member 45 is rotated in the direction opposite to the arrow C direction shown in FIG. 5 to lock the locking portion 45c to the locking recess 61. The connector 1 may be released from the mating connector 50.

  In the present embodiment, the caulking ring member 20 includes a metal sleeve 21 that can be sheathed on the cable 2, an inner peripheral portion 22 a that covers the inner peripheral surface of the sleeve 21 and can be sheathed on the cable 2, and the sleeve 21. And a waterproof member 22 made of an elastic material having an outer peripheral portion 22c covering the outer peripheral surface. The caulking ring member 20 in which the metal sleeve 21 is caulked together with the waterproof member 22 and attached to the outer periphery of the cable 2 is connected to the cable 2 by at least a part (the caulked portion) of the inner peripheral portion 22a of the waterproof member 22. The outer peripheral surface of the housing 10 is sealed, and the inner peripheral surface of the housing 10 (the inner peripheral surface of the through hole 12) is sealed by at least a part of the outer peripheral portion 22c of the waterproof member 22 (seal portion 22d). Yes. For this reason, it is not necessary to form the waterproof member 22 separately from the caulking ring member 20 by molding or the like, and between the inner peripheral surface of the housing 10 and the waterproof member 22 and the outer peripheral surface of the cable 2 by a simple configuration and operation. It is possible to prevent water from entering between the waterproof member 22 and the inside.

  Further, a retaining member fitting recess 23a into which a retaining member 30 for retaining the cable 2 in the housing 10 is fitted is provided in the outer peripheral portion 22c of the waterproof member 22, and the retaining member 30 is disposed in the retaining member inserting recess. Since the cable 2 is prevented from being detached from the housing 10 by the operation of fitting into the housing 23a, the cable 2 can be prevented from being detached from the housing 10 with a simple configuration and work.

In addition, since the caulking ring member 20 has two functions of a waterproof function and a cable 2 retaining function, it is necessary to provide these waterproofing and retaining members separately from the caulking ring member 20. In addition, the connector 1 can be downsized.
Further, since the retaining member insertion recess 23a is formed by caulking the metal sleeve 21 and the waterproof member 22 to the outer periphery of the cable 2, the forming operation of the retaining member insertion recess 23a is caulked. There is no need to perform the work separately, and the work can be performed efficiently.

As mentioned above, although embodiment of this invention has been described, this invention is not limited to this, A various change and improvement can be performed.
For example, the cable 2 is composed of a multi-core cable having a plurality of core wires 3, but may be composed of a single-core cable having one core wire 3.
Further, the leg portion 30b of the retaining member 30 is fitted into the retaining member fitting recess 23a of the caulking ring member 20, but the retaining member fitting recess 23b formed on the rear side of the caulking ring member 20 is used. The caulking ring member 20 may be prevented from coming off from the housing 10 in the front-rear direction.

  Further, the sealing between the inner peripheral portion 22a of the waterproof member 22 and the outer peripheral surface of the cable 2 may be performed on at least a part of the inner peripheral portion 22a. It doesn't matter. Further, the sealing between the outer peripheral portion 22c of the waterproof member 22 and the inner peripheral surface of the housing 10 may be performed on at least a part of the outer peripheral portion 22c, and may be the whole or a part of the outer peripheral portion 22c. Absent.

The state before the connector with the cable assembly in which the caulking ring member according to the present invention is caulked to the outer periphery of the cable is mated with the mating connector connected to the servo motor side is shown. It is the perspective view seen from the side. It is the perspective view which showed the state before fitting a connector with respect to the other party connector connected to FIG. 1 and a servomotor side, and looked at the connector from the opposite side to the fitting surface. It is the perspective view which showed the state after fitting a connector with respect to the other party connector connected to the servomotor side, and looked at the connector from the fitting surface side. It is the perspective view which showed the state after fitting a connector with respect to the other party connector connected to the servomotor side, and looked at the connector from the opposite side to the fitting surface. It is a perspective view of the connector assembly which fitted the connector shown in FIG. 1, and the other party connector. FIG. 6 is an exploded perspective view of the connector assembly shown in FIG. 5. The connector assembly shown in FIG. 5 is shown, (A) is a top view, (B) is a front view. It is sectional drawing which follows the 8-8 line | wire of FIG. 7 (B). It is sectional drawing which follows the 9-9 line | wire of FIG. 7 (B). It is a perspective view of the cable assembly formed by caulking the caulking ring according to the present invention to the cable. The caulking ring member before caulking to the cable is shown, (A) is a front view, (B) is a side view, and (C) is a cross-sectional view taken along line 11C-11C in (A). A cable assembly is shown, (A) is a front view, (B) is a side view, (C) is a sectional view taken along line 12C-12C of (A), and (D) is a line 12D-12D of (B). Sectional drawing which follows, (E) is sectional drawing which follows the 12E-12E line of (B), (F) is sectional drawing which follows the 12F-12F line of (B). 4 is a perspective view for explaining an operation process for holding the cable 2 in the housing 10. FIG. FIG. 6 is an explanatory diagram for explaining an operation process for preventing a cable from being detached from the housing 10 by the retaining member 30. It is sectional drawing of the prior art example of the shield connector which caulked the metal ring to the shield electric wire.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Connector 2 Cable 10 Housing 12 Through-hole 13 Retaining prevention member insertion hole 20 Caulking ring member 21 Metal sleeve 22 Waterproof member 22a of elastic material 22a Inner peripheral part 22c Outer peripheral part 22d Seal part 23a, 23b Recessing member insertion recessed part 30 Retaining member

Claims (3)

A metal sleeve that can be sheathed on a cable, and a waterproof member made of an elastic material that covers the inner peripheral surface of the sleeve and has an inner peripheral portion that can be sheathed on the cable and an outer peripheral portion that covers the outer peripheral surface of the sleeve. ,
The metal sleeve and the waterproof member are attached to the cable by caulking to the outer periphery of the cable, and at least a part of the inner peripheral portion of the waterproof member is sealed between the outer peripheral surface of the cable, A caulking ring member characterized in that the space between the inner peripheral surface of the housing is sealed by at least a part of the outer peripheral portion of the waterproof member. The caulking ring member according to claim 1, wherein a recess for fitting a retaining member into which a retaining member for retaining the cable in the housing is inserted is provided in an outer peripheral portion of the waterproof member. The caulking ring member according to claim 2, wherein the recess for inserting the retaining member is formed by caulking the metal sleeve and the waterproof member to an outer periphery of the cable.

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