JP2012238466A - Fitting structure of rubber plug anti-coming-off member - Google Patents

Abstract

PROBLEM TO BE SOLVED: To regulate opening of each split body constituting a rubber plug anti-coming-off member.SOLUTION: A fitting structure of a rubber plug anti-coming-off member includes: a housing in which electric wire insertion holes for inserting electric wires therethrough are provided; rubber plugs which are housed inside from rear end openings of the electric wire insertion holes and tightly adhered to the outer peripheral surfaces of the electric wires and the inner peripheral surfaces of the electric wire insertion holes; the rubber plug anti-coming-off member which is formed by combining a plurality of split bodies, fitted to the rear end of the housing and prevents the rubber plugs from coming off; and an opening regulation member which regulates the split bodies from being separated from each other and opened backward in the center part of the rubber plug anti-coming-off member.

Description

  The present invention relates to a mounting structure for a rubber stopper removal member.

  Conventionally, in a waterproof connector connected to the end of an electric wire, as a configuration for waterproofing with a rubber plug between the outer peripheral surface of the electric wire and the inner peripheral surface of the electric wire insertion hole through which the electric wire passes, for example, one described in Patent Document 1 below It has been known. The rubber plug is inserted into the electric wire insertion hole from the rear, and a rubber plug removal preventing member is attached to the rear end opening of the electric wire insertion hole to prevent the rubber plug from coming off. This rubber stopper preventing member includes a pair of divided bodies, and includes a lock piece for assembling each divided body to each other, a lock piece for fixing the both assembled bodies to the rear end opening of the electric wire insertion hole, and the like.

JP-A-9-147967

  However, in the vicinity of the center of the rubber stopper, the two split bodies are only in contact with each other, so when the electric wire is pulled strongly backward, the rubber stopper is also pulled backward along with this, The divided bodies are separated from each other and easily opened rearward. Therefore, the force for preventing the rubber plug from coming off becomes weak, and in the worst case, the rubber plug may be detached from the wire insertion hole rearward.

  This invention is completed based on the above situations, Comprising: It aims at controlling the opening of each division body which comprises a rubber stopper removal member.

  The present invention includes a housing provided with an electric wire insertion hole for inserting an electric wire, a rubber plug that is housed inside from the rear end opening of the electric wire insertion hole, and is in close contact with the outer peripheral surface of the electric wire and the inner peripheral surface of the electric wire insertion hole A combination of a plurality of divided bodies, a rubber plug retaining member that is attached to the rear end of the housing to prevent the rubber plug from being detached, and the divided bodies are separated from each other at the center of the rubber plug retaining member and It is characterized in that it is configured to include an opening restricting portion that restricts opening.

  According to such a configuration, the opening restricting portion restricts the divided bodies from being separated from each other and opened rearward, so that the force to prevent the rubber plug from being pulled out does not weaken, and the rubber plug is not inserted into the wire insertion hole. It is possible to regulate the rearward movement from the rear.

The following configuration is preferable as an embodiment of the present invention.
The rubber stopper preventing member is formed by combining two divided bodies, and the opening restricting portion includes a restricting concave portion provided at the rear end portion of the housing and opening rearward, and a restricting convex portion provided at the divided body and protruding forward. It is good also as a structure by which an opening of a division body is controlled because a control convex part fits into a control concave part.
According to such a configuration, the opening of the divided body can be regulated by fitting the regulating convex part of the divided body into the regulating concave part of the housing.

The rubber plug retaining member is a combination of three divided bodies, and the opening restricting portion includes the abutting portion where the divided members abut each other at the center of the rubber plug retaining member and the rear end of the housing at the outer peripheral portion of the rubber stopper retaining member. It is good also as a structure which consists of a pressing piece which contacts the outer surface.
According to such a configuration, the abutting portions of the respective divided bodies can be held in contact with each other by bringing the pressing pieces of the respective divided bodies into contact with the outer surface of the rear end portion of the housing. Therefore, the opening of the divided body can be regulated.

  According to the present invention, it is possible to regulate the opening of each divided body constituting the rubber stopper preventing member.

The disassembled perspective view of the shield connector in Embodiment 1 Exploded perspective view of device side connector Sectional view of the state before fitting the device-side connector and shield connector from above Sectional view of the state before fitting the device-side connector and shield connector from the side Cross-sectional view of the device side connector and shield connector half-fitted from the side Cross-sectional view of the device side connector and shield connector from the side when properly fitted Front view of the device side connector and shield connector in a properly fitted state Front view of the device case The exploded perspective view of the shield connector in Embodiment 2 Exploded perspective view of device side connector Perspective view of back retainer Plan view of the split body constituting the back retainer Front view of split body constituting back retainer Side view of split body constituting back retainer Sectional drawing which looked at the state before fitting the apparatus side connector and shield connector in Embodiment 3 from the side Bottom view of shield shell in embodiment 4 AA line sectional view in FIG.

<Embodiment 1>
Embodiment 1 of the present invention will be described with reference to the drawings of FIGS. As shown in FIG. 6, the shield connector 10 according to the present embodiment is fitted with the device-side connector 50 fixed to the device-side case C by tightening the fitting bolt B1 with respect to the device-side case C. Is possible. In the present embodiment, a two-pole shield connector 10 and a device-side connector 50 are illustrated. In the following description, the front-rear direction is based on the mating direction of the connectors 10 and 50, and the mating surface side is the front side.

  FIG. 8 shows a peripheral structure of the mounting hole C1 provided in the case C on the device side. The device-side case C is made of a conductive metal. The mounting hole C1 has a horizontally long oval shape, and the device-side connector 50 is fitted into the mounting hole C1. A pair of holes C <b> 2 and C <b> 3 are provided at the peripheral edge of the mounting hole C <b> 1 in the case C on the device side. Among these, the fixing hole C2 disposed on the side of the mounting hole C1 is a hole for screwing the fixing bolt B2 in order to fix the device-side connector 50 to the case C on the device side, and is disposed above the mounting hole C1. The fitted hole C3 is a hole into which the fitting bolt B1 is screwed in order to fit the shield connector 10 to the device-side connector 50. Further, a device-side contact portion C4 is provided below the mounting hole C1 of the device-side case C so as to protrude downward.

  As illustrated in FIG. 2, the device-side connector 50 includes a device-side housing 51 made of synthetic resin, and a pair of device-side terminals 52 are accommodated in the device-side housing 51. The device-side housing 51 has a shape that is long in the width direction, and a pair of device-side cavities 53 in which both the device-side terminals 52 are accommodated are provided side by side in the width direction. Further, a fixing flange 54 is provided on the outer peripheral side surface of the device-side housing 51 so as to protrude sideways.

  A metal collar 55 is integrally formed on the fixing flange 54. As shown in FIG. 3, the fixing bolt B2 is inserted into the metal collar 55 and tightened into the fixing hole C2 of the case C on the equipment side, so that the fixing bolt B2, the metal collar 55, and the case C on the equipment side are in direct contact with each other. In this state, the bolt is firmly tightened. Thereby, the apparatus side connector 50 is fixed to the case C on the apparatus side.

  In a state where the device-side connector 50 is fixed to the case C on the device side, the rear side of the device-side connector 50 with respect to the fixing flange 54 fits inside the mounting hole C1 of the case C on the device side. It is set as the fitting part 50A. On the other hand, the front portion of the device-side connector 50 relative to the fixing flange 54 is a wire-side fitting portion 50 </ b> B that protrudes forward from the front surface of the device-side case C and fits with the shield connector 10.

  A first rubber ring 55 is fitted on the outer peripheral surface of the device-side fitting portion 50A, and the first rubber ring 55 includes an outer peripheral surface of the device-side fitting portion 50A and an inner peripheral surface of the mounting hole C1. It is in close contact with. Thereby, the space between the device-side case C and the device-side fitting portion 50A is sealed in a liquid-tight manner, and water intrusion into the device-side case C is restricted. A second rubber ring 56 is fitted on the outer peripheral surface of the electric wire side fitting portion 50B, and this second rubber ring 56 is connected to the outer peripheral surface of the electric wire side fitting portion 50B and a shield shell 20 described later. It is in close contact with the inner peripheral surface. Thereby, between the electric wire side fitting part 50B and the shield shell 20 is sealed in a liquid-tight state, and the water immersion to the inside of the shield shell 20 is controlled.

  The device side terminal 52 has a terminal connection portion having a round pin shape, and this terminal connection portion is provided on the front side of the device side terminal 52. On the rear side of the device side terminal 52, an electric wire connecting portion that is crimp-connected to an internal wiring (not shown) on the device side is provided. An interlock terminal 57 is provided between the two device side terminals 52. When the interlock circuit connected to the interlock terminal 57 is turned on, the internal circuit on the device side becomes conductive, and when the interlock circuit is turned off, the internal circuit on the device side is cut off and cannot be conducted. It becomes a state.

  As shown in FIG. 1, the shield connector 10 includes an electric wire side housing 11 made of a synthetic resin, and a pair of electric wire side terminals 12 are accommodated in the electric wire side housing 11. The electric wire side housing 11 has a long shape in the width direction, and a pair of electric wire side cavities 13 in which the electric wire side terminals 12 are accommodated are arranged in the width direction. A short terminal 14 is provided between the electric wire side terminals 12. The short terminal 14 is connected to the interlock terminal 57 when the connectors 10 and 50 are properly fitted. When the short terminal 14 and the interlock terminal 57 are connected, the interlock circuit is turned on. When the short terminal 14 and the interlock terminal 57 are disconnected, the interlock circuit is turned off.

  The electric wire side terminal 12 has a terminal connection portion having a substantially cylindrical shape, and the terminal connection portion is composed of three connection pieces divided from each other by a slit. The terminal connection portion is provided on the front side of the electric wire side terminal 12. On the rear side of the device side terminal 12, an electric wire connecting portion to which the shielded electric wire W is crimped is provided. The terminal connection part of the electric wire side terminal 12 can be internally fitted with the terminal connection part of the device side terminal 52 as the connectors 10 and 50 are fitted. In addition, the SUS spring 15 is attached to the terminal connection portion of the electric wire side terminal 12, and the SUS spring 15 is configured to cover the three connection pieces in a lump. For this reason, when the terminal connection part of the apparatus side terminal 52 fits between each connection piece of the electric wire side terminal 12, a large contact load is obtained by the spring force of the SUS spring 15. Thereby, the fine sliding wear between both the terminals 12 and 52 is prevented.

  A pair of electric wire insertion holes 16 in which the shielded electric wires W are accommodated are connected to the rear side of the electric wire side cavities 13 in the electric wire side housing 11. A rubber plug 17 is accommodated in the electric wire insertion hole 16. The rubber plug 17 includes a plurality of inner lips that are in close contact with the outer peripheral surface of the shielded electric wire W and a plurality of outer lips that are in close contact with the inner peripheral surface of the electric wire insertion hole 16. For this reason, when the rubber plug 17 is passed through the shielded electric wire W in advance and the electric wire side terminal 12 is accommodated in the electric wire side cavity 13, the rubber plug 17 is inserted into the electric wire insertion hole 16. Of the wire and the inner peripheral surface of the wire insertion hole 16. Thereby, the space between the outer peripheral surface of the shielded electric wire W and the inner peripheral surface of the electric wire insertion hole 16 is sealed in a liquid-tight manner, and water intrusion into the electric wire insertion hole 16 is restricted.

  A mounting flange 18 is provided on the outer peripheral surface of the electric wire side housing 11 so as to protrude over the entire circumference. The mounting flange 18 is disposed at the boundary between the electric wire side cavity 13 and the electric wire insertion hole 16. A portion of the shield connector 10 that is forward of the mounting flange 18 is a connector fitting portion 10 </ b> A that can be fitted into the shield-side fitting portion 50 </ b> B of the device-side connector 50.

  A third rubber ring 19 is fitted on the outer peripheral surface of the connector fitting portion 10A. As shown in FIG. 6, the third rubber ring 19 is in close contact with the outer peripheral surface of the connector fitting portion 10A and the inner peripheral surface of the shield side fitting portion 50B when both the connectors 10 and 50 are properly fitted. doing. As a result, the space between the electric wire side housing 11 and the device side housing 51 is sealed in a liquid-tight manner, and water intrusion into the device side housing 51 is restricted.

  A back retainer 30 is attached to the rear end portion of the electric wire side housing 11. The back retainer 30 is formed by combining two divided bodies 31, 31 having the same shape, and in a state where both divided bodies 31, 31 are combined, a substantially cylindrical holding member inserted from the rear into the wire insertion hole 16. A portion 32 is formed. A pair of the pressing portions 32 is provided so as to be inserted into the electric wire insertion holes 16 from the rear side and press the rubber plug 17 from the rear side.

  A pair of lock pieces 33, 33 are provided at positions corresponding to both pressing portions 32 in the divided body 31. Both lock pieces 33, 33 are adapted to be engaged with a pair of lock protrusions 11 </ b> A, 11 </ b> A provided at the rear end of the electric wire side housing 11. Thereby, the division body 31 is fixed to the rear end part of the electric wire side housing 11. Accordingly, the rubber stopper 17 can be prevented from coming off by the pressing portion 32.

  Further, between the pressing portions 32 and 32 of the divided body 31, a restriction convex portion 34 having a rectangular tube shape is provided so as to protrude forward. On the other hand, the rear end portion of the electric wire side housing 11 is provided with a restriction recess 11 </ b> B that can be fitted to the restriction protrusion 34 and opens rearward. When the divided body 31 is attached to the rear end portion of the electric wire side housing 11, the lock pieces 33 and 33 are locked to the lock protrusions 11A and 11A in a state where the restriction convex portion 34 is fitted in the restriction concave portion 11B. In the central part of the back retainer 30 (the mating surface of the two divided bodies 31 and 31), the divided bodies 31 and 31 are restricted from being separated and opened rearward.

  The electric wire side housing 11 is covered with a cylindrical shield shell 20. The shield shell 20 is made of a conductive metal, and is specifically manufactured by aluminum die casting. A mounting portion 21 is provided at the opening edge of the front end of the shield shell 20 so as to project upward (outward in the radial direction). The attachment portion 21 is provided with a bolt insertion hole 22 penetrating in the plate thickness direction, and the fitting bolt B <b> 1 is inserted into the bolt insertion hole 22. The fitting bolt B1 is provided with a groove in which the C-shaped ring 23 is attached. By fitting the C-shaped ring 23 to the fitting bolt B1 inserted through the bolt insertion hole 22, the fitting bolt B1 is attached to the fitting bolt B1. It is prevented from coming off so as to be rotatable with respect to the mounting portion 21.

  In addition, the mounting flange 18 of the electric wire side housing 11 is provided with a pair of upper and lower mounting pieces 18A, 18A extending rearward. On the other hand, inside the shield shell 20, a pair of mounting protrusions 24, 24 that can be engaged with both mounting pieces 18A, 18A are provided. When the electric wire side housing 11 is mounted inside the shield shell 20, the mounting flange 18 abuts against a step 25 provided inside the shield shell 20, thereby restricting movement of the electric wire side housing 11 in the mounting direction. Both the mounting pieces 18A, 18A are locked to the both mounting protrusions 24, 24, so that the electric wire side housing 11 is held inside the shield shell 20 in a retaining state.

  A bolt cap 40 can be attached to the fitting bolt B1. The bolt cap 40 includes a bolt mounting portion 41 fixed to the fitting bolt B1, a cap portion 42 covering the bolt head of the fitting bolt B1, and a flexibility for connecting the bolt mounting portion 41 and the cap portion 42. The hinge part 43 is comprised. When the cap portion 42 of the bolt cap 40 is put on the bolt head of the fitting bolt B1, the fitting bolt B1 cannot be visually recognized from the outside, so that it is possible to prevent the fitting bolt B1 from being erroneously operated. .

  A pair of notches 26 and 26 are provided on both the left and right sides of the opening edge of the front end of the shield shell 20. One of the two notches 26, 26 is cut out to be larger than the other, and the large cut-out 26 is in a state in which both connectors 10, 50 are properly fitted as shown in FIG. The fixing flange 54 of the device-side connector 50 is fitted. As a result, the attachment portion 21 and the fixing flange 54 can be arranged side by side in the circumferential direction at the front end opening of the shield shell 20. Therefore, the shield connector 10 can be disposed closer to the device-side case C, and the amount of the shield connector 10 protruding from the device-side case C can be reduced.

  As shown in FIG. 6, the peripheral portion of the bolt insertion hole 22 in the attachment portion 21 is in close contact with the peripheral portion of the fitting hole C3 in the case C on the device side in a state where both the connectors 10 and 50 have been properly fitted. It is like that. Thereby, the attachment part 21 and the case C on the apparatus side are connected so as to be conductive. On the other hand, at the end of the shield shell 20 opposite to the mounting portion 21, a wire side contact portion 27 that comes into contact with the device side contact portion C <b> 4 in a state where both the connectors 10 and 50 have been properly fitted is provided. Yes. Thereby, the electric wire side contact part 27 and the case C of the apparatus side are connected so that conduction | electrical_connection is possible. That is, since the shield shell 20 contacts the case C on the device side at two locations, the shield performance can be improved as the contact area increases.

  The present embodiment is configured as described above, and its operation will be described subsequently. First, a method for assembling the shield connector 10 will be described. The rubber plug 17 is passed through the shielded electric wire W in advance, the coating is peeled off at the end of the shielded electric wire W, and the exposed core wire is connected to the electric wire side terminal 12. The electric wire side terminal 12 is inserted into the electric wire side cavity 13 from the rear and is held by a lance so that the electric wire side terminal 12 is prevented from being pulled out to the rear of the electric wire side cavity 13. The rubber plug 17 is inserted into the wire insertion hole 16 from the rear in advance through the shielded wire W in advance. The rubber plug 17 is stopped at a predetermined position in the wire insertion hole 16.

  In addition, since the back retainer 30 of this embodiment is divided | segmented into a pair of division body 31 and 31 beforehand, it is not necessary to let the shield electric wire W pass ahead, and each electric wire side terminal 12 is inserted in the electric wire side cavity 13. FIG. It can be easily assembled even after Further, even when the shield wire W is composed of a plurality of shield wires W, by dividing the back retainer into a plurality of divided bodies in advance corresponding to the number of shield wires W, the adjacent shield wires W, W Each divided body can be mounted so as to be inserted in between.

  Next, the back retainer 30 is formed by combining the two divided bodies 31 and 31 so as to sandwich the shielded electric wire W, and both pressing portions 32 and 32 formed by the two divided bodies 31 and 31 are connected to the two electric wires. Insert into the insertion holes 16, 16. Then, at the same time as the tips of the pressing parts 32, 32 come in contact with the rear surfaces of the rubber plugs 17, 17, the locking pieces 33 are locked to the locking projections 11A, and the regulating projections 34 are fitted to the regulating recesses. 11B. Thereby, while the back retainer 30 is fixed to the rear end part of the electric wire side housing 11, even if the shield electric wire W is strongly pulled rearward, both the split bodies 31, 31 are formed at the central part of the back retainer 30. Are separated from each other and are prevented from opening backward. As a result, the rubber stoppers 17 and 17 are prevented from coming off by the back retainer 30.

  When fitting the shield connector 10 to the device-side connector 50, first, the electric wire-side housing 11 is shallowly fitted to the device-side housing 51 by hand as shown in FIG. Next, both the connectors 10 and 50 are further fitted by tightening the fitting bolt B1 into the fitting hole C3. During this time, the attachment portion 21 approaches the case C on the device side slightly ahead of the electric wire side contact portion 27 due to the tightening force by the fitting bolt B1. Then, when both connectors 10 and 50 are in a properly fitted state, as shown in FIG. 6, the attachment portion 21 comes into contact with the peripheral portion of the fitting hole C3, and at the same time, the electric wire side contact portion 27 becomes the device side contact portion C4. As the fitting bolt B1 is tightened, the attachment portion 21 and the electric wire side contact portion 27 are in close contact with the case C on the device side. In this way, the contact area can be increased as compared with the case where only the attachment portion 21 of the shield shell 20 is in close contact with the case C on the device side, and the shielding performance between the shield shell 20 and the case C on the device side is improved. Can be improved.

<Embodiment 2>
Next, a second embodiment of the present invention will be described with reference to FIGS. In this embodiment, the case where it applies to the shield connector 110 of 3 poles and the apparatus side connector 150 is illustrated. For this reason, about the structure similar to Embodiment 1, the description is abbreviate | omitted and the code | symbol same as Embodiment 1 shall be used. In addition, for the configuration corresponding to the first embodiment, a code obtained by adding 100 to the code of the first embodiment is used.

  As shown in FIG. 9, the shield connector 110 includes a third rubber ring 119, a wire-side housing 111, a shield shell 120, three wire-side terminals 12, three shielded wires W, three rubber plugs 17, a back A retainer 130 and the like are provided. On the other hand, as shown in FIG. 10, the device-side connector 150 includes a first rubber ring 155, a device-side housing 151, a second rubber ring 156, and the like.

  As shown in FIG. 11, the back retainer 130 is formed by combining three divided bodies 131 having the same shape. The back retainer 130 has a substantially equilateral triangular shape as a whole, and each vertex is rounded. At the center of the back retainer 130, there is provided an abutting portion 134 where the respective divided bodies 131 abut each other with a contact angle of 120 °. On the other hand, a plurality of lock pieces 133 and a plurality of pressing pieces 135 are provided on the outer periphery of the back retainer 130.

  As shown in FIG. 12, a pair of lock pieces 133 are provided on the outer peripheral edge of each divided body 131. Both lock pieces 133 and 133 are provided at positions corresponding to both pressing portions 132 and 132, respectively. In addition, a pressing piece 135 is provided between the lock pieces 133 and 133 on the outer peripheral edge of each divided body 131.

  As shown in FIG. 9, the lock piece 133 can be locked to a lock protrusion 111 </ b> A provided at the rear end portion of the electric wire side housing 111. On the other hand, the holding piece 135 enters between the outer peripheral surface of the rear end portion of the electric wire side housing 111 and the mounting piece 118A. That is, the pressing piece 135 functions as a double locking structure that enters the bending space of the mounting piece 118 </ b> A and holds the mounting state of the mounting piece 118 </ b> A and the mounting protrusion 124.

  When the abutting portions 134 come into contact with each other, it is restricted that the divided bodies 131 are separated and opened rearward. Further, since the pressing piece 135 is in contact with the outer peripheral surface of the rear end portion of the electric wire side housing 111, the movement of each abutting portion 134 is restricted to the outer side in the radial direction. It is restricted from opening apart and back.

<Embodiment 3>
Next, Embodiment 3 of the present invention will be described with reference to the drawing of FIG. In the present embodiment, the configuration of the shield shell 20 in the first embodiment is partially changed, and the other configurations, functions, and effects are the same as those in the first embodiment, and thus the description thereof is omitted. The same reference numerals as those in the first embodiment are used for the same configurations as those in the first embodiment.

  In other words, the shield shell 20 of the present embodiment is provided with a protruding piece 28 that protrudes forward from the lower edge of the mounting portion 21. The projecting piece 28 is disposed between the bolt insertion hole 22 and the third rubber ring 19. On the other hand, the case C on the device side is provided with an escape hole C5 for allowing the protruding piece 28 to escape. In this way, even when cutting powder such as aluminum metal powder is generated when the fitting bolt B1 is tightened into the fitting hole C3, the cutting powder falls and adheres to the third rubber ring 19. Can be regulated. Accordingly, it is possible to regulate the deterioration of the sealing performance due to the adhesion of the chips to the third rubber ring 19.

<Embodiment 4>
Next, Embodiment 4 of the present invention will be described with reference to FIGS. 16 and 17. The shield shell 220 in the present embodiment is formed by pressing an aluminum plate material. As shown in FIG. 17, a bolt insertion hole 222 is formed in the attachment portion 221 of the shield shell 220 so as to penetrate in the fitting direction by burring. The hole wall of the bolt insertion hole 222 is configured to protrude toward the case C on the device side, and the protruding end edge is in close contact with the peripheral edge of the fitting hole C3.

  Further, as shown in FIG. 16, an elastic piece 227 is formed by punching an aluminum plate material on the opposite side of the front end opening edge of the shield shell 220 from the attachment portion 221. The elastic piece 227 has a doubly supported shape, and can generate a large spring force with a small displacement. The elastic piece 227 is configured to elastically contact the device side contact portion C4 when both the connectors 10 and 50 are properly fitted. Thereby, even if it is a case where the space | interval between the shield shell 220 and the case C on the apparatus side fluctuates, the elastic piece 227 can be made to contact the apparatus side contact part C4 reliably.

<Embodiment 5>
Next, Embodiment 5 of the present invention will be described with reference to the drawing of FIG. The divided body 331 in the present embodiment is obtained by partially changing the configuration of the divided body 31 of the first embodiment. For the same configuration as that of the first embodiment, the code obtained by adding 300 to the code of the first embodiment is used. Shall. That is, the restriction convex part 334 of the present embodiment is longer than the restriction convex part 34 of the first embodiment. For this reason, the fitting depth of the restriction convex part 334 and the restriction concave part is larger than that of the first embodiment, and the opening restriction of each divided body 331 can be effectively performed.

<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 opening restricting portion is constituted by the concave / convex fitting of the restricting convex portion and the restricting concave portion and the contact between the abutting portions, but according to the present invention, the locking piece is provided at the center of the back retainer. The opening of each divided body may be regulated by adding.

  (2) Although the back retainer is divided into two or three parts in the above embodiment, according to the present invention, the back retainer may be divided into four parts, and the number of divisions is not limited.

  (3) Although the opening restricting portion including the abutting portion 134 and the pressing piece 135 is illustrated in the second embodiment, according to the present invention, the opening restricting portion may be configured only by the abutting portion 134.

  (4) Although the electric wire side terminal and the shielded electric wire are configured separately from the electric wire side housing in the above embodiment, according to the present invention, as the electric wire side housing formed by molding the electric wire side terminal and the shielded electric wire with a synthetic resin. Also good.

DESCRIPTION OF SYMBOLS 10, 110 ... Shield connector 11 ... Electric wire side housing 11B ... Restriction recessed part (opening restriction part)
16 ... Wire insertion hole 17 ... Rubber plug 30, 130 ... Back retainer (Rubber plug retaining member)
31, 131, 331... Divided body 34, 334... Regulating convex part (opening regulating part)
134 ... Abutting part (opening restriction part)
135 ... Holding piece (opening restricting part)

The disassembled perspective view of the shield connector in Embodiment 1 Exploded perspective view of device side connector Sectional view of the state before fitting the device-side connector and shield connector from above Sectional view of the state before fitting the device-side connector and shield connector from the side Cross-sectional view of the device side connector and shield connector half-fitted from the side Cross-sectional view of the device side connector and shield connector from the side when properly fitted Front view of the device side connector and shield connector in a properly fitted state Front view of the device case The exploded perspective view of the shield connector in Embodiment 2 Exploded perspective view of device side connector Perspective view of back retainer Plan view of the split body constituting the back retainer Front view of split body constituting back retainer Side view of split body constituting back retainer Sectional drawing which looked at the state before fitting the apparatus side connector and shield connector in Embodiment 3 from the side Bottom view of shield shell in embodiment 4 AA line sectional view in FIG. The perspective view of the division body which comprises the back retainer in Embodiment 5. FIG.

Claims (3)

A housing provided with an electric wire insertion hole for inserting an electric wire;
A rubber plug that is housed inside from the rear end opening of the wire insertion hole, and is in close contact with the outer peripheral surface of the wire and the inner peripheral surface of the wire insertion hole;
A rubber plug retaining member which is formed by combining a plurality of divided bodies and which is attached to the rear end portion of the housing and prevents the rubber stopper from coming off,
An attachment structure for a rubber stopper preventing member, comprising: an opening restricting portion for restricting the divided bodies from opening apart and spaced apart from each other at a central portion of the rubber stopper retaining member.   The rubber stopper preventing member is a combination of two divided bodies, and the opening restricting portion is provided at a rear end portion of the housing and is opened to the rear, and a restriction provided on the divided member and protruding forward. The rubber plug retaining member mounting structure according to claim 1, further comprising: a protrusion, wherein the opening of the divided body is restricted by fitting the restriction protrusion into the restriction recess.   The rubber plug retaining member is formed by combining three divided bodies, and the opening restricting portion includes an abutting portion where the divided members abut each other at a central portion of the rubber plug retaining member, and an outer peripheral portion of the rubber plug retaining member. 2. The mounting structure for a rubber stopper removal member according to claim 1, further comprising a pressing piece that contacts an outer surface of the rear end portion of the housing.

Images