JP2009199992A - Connector supporting structure - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a connector supporting structure in which the deformation and damage caused by an effect of the unevenness of a pushing force applied to a rear holder by a screw setting portion do not occur even if the screw setting portion of the rear holder is arranged in deviation to one side with respect to a housing body. <P>SOLUTION: A free end side region S2 of a rear holder 9 positioned on an opposite side to a screw setting portion 9a with a central axis position G of a housing body 5 between and an inner wall 19 of a housing case 16 overlooking the free end side region S2 are connected, and a shift of the free end side region S2 of the rear holder 9 to a rear surface side is regulated, and as a result, at a time of coupling connection or the like with a counterpart connector such large shifting or enforced deformation as a side apart from the screw setting portion 9a may fall down into the housing case 16 can be prevented. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention includes a housing main body having a terminal receiving hole and a rear holder that engages with a rear portion of the housing main body and presses a connection terminal received in the terminal receiving hole, and screws the rear holder to the receiving case. Thus, the present invention relates to a connector support structure in which a housing main body is fixed to the housing case.

  FIG. 8 is a conventional example of a connector in which a rear holder is engaged and attached to the rear portion of the housing body, and FIG. 9 shows a state in the middle of assembly in which the rear holder is engaged with the housing body in the connector shown in FIG. Is.

  The connector 101 shown in FIGS. 8 and 9 is disclosed in the following Patent Document 1, and is a resin-made housing main body 105 having a terminal accommodating hole 103 and a terminal engaged with the rear portion of the housing main body 105. And a rear holder 109 that holds the connection terminal 107 accommodated in the accommodation hole 103.

  The housing main body 105 has a mating terminal receiving hole 111 into which the connection terminal of the mating connector is inserted when the mating connector housing is fitted and connected to the distal end side (left end side in FIG. 8). Is formed.

  The connection terminal 107 housed in the terminal housing hole 103 of the housing main body 105 is a sheet metal crimp terminal that is crimped and connected to the distal end portion of the electric wire 111, and is covered with a crimped portion 107 a along the length direction of the electric wire 113. In addition, a conductor caulking portion 107 b and a substantially rectangular tube-shaped terminal main body portion 107 c that fits in the terminal accommodating hole 103 are formed. In addition, the terminal main body 107c protrudes into the adjacent mating terminal receiving hole 111, and is electrically connected to the mating connection terminal by elastic contact with the mating terminal receiving terminal that has entered the mating terminal receiving hole 111. An elastic contact piece 107d is provided.

  As shown in FIG. 9, when the engaging protrusion 131 is inserted into the holder engaging opening 121 in the rear portion of the housing main body 105, the rear holder 109 has a terminal locking portion 133 mounted on the engaging protrusion 131. As shown in FIG. 3, the contact terminal 107 is pressed against the rear end of the terminal body 107c. In addition, the inclined surface 135a of the end portion of the flexible arm 135 that is provided on the engaging protrusion 131 so as to protrude on the opposite side of the terminal locking portion 133 is formed on the locking piece 123 formed on the edge of the opening 121. As shown in FIG. 8, the engagement with the locking inclined surface 123 a is brought into a state of being combined with the rear portion of the housing main body 105.

JP-A-9-213399

  As described above, in the connector 101 including the rear holder 109 at the rear part of the housing body 105, when the multi-pole type is large in the number of connection terminals to be accommodated, the rear holder 109 that holds the terminal has a large operating force when connected to the mating connector. Comes to work. Therefore, it is necessary to fix the rear holder 109 to the housing body 105 or the housing case for housing the housing body 105 with higher coupling strength.

  And as one of the methods for fixing the rear holder 109 with high bonding strength, screwing is conceivable.

  In this case, in order to firmly fix the rear holder 109 so that the pressing force from the rear holder 109 acting on each connection terminal 107 on the housing body 105 does not vary, the center of the housing body 105 is placed on the rear holder 109. A plurality of screwing portions may be provided so as to be symmetrical with respect to the axis.

  However, the housing body 105 and the rear holder 109 often have various restrictions on the shape and dimensions due to restrictions on the structure of the equipment to which they are attached. In many cases, it is not possible to secure a margin for providing a screwing portion at a position on the rear holder that is symmetrical with respect to the central axis 105.

  In such a case, the position of the screwing portion provided on the rear holder 109 is compromised and set to a position eccentric to one side with respect to the central axis position of the housing body.

  However, in a connector in which the position of the screwing portion provided on the rear holder 109 is eccentric to one side with respect to the central axis position of the housing body, the pressing force acting on the rear holder 109 by screwing causes the surroundings of the screwing portion and the screw As a result, there is a large variation in the area away from the stopper, and as a result, when fitting with the mating connector, etc. In addition, there is a risk of inconvenience such as poor coupling between the connectors and damage to the connectors.

  An object of the present invention is to solve the above-described problems, and a screwing portion provided in the rear holder for fixing the rear holder that holds the connection terminal in the housing body is on one side with respect to the central axis position of the housing body. A connector that can be prevented from being greatly displaced or deformed so that the side away from the screwing portion of the rear holder falls into the housing case even when fitted with an eccentric connector, even when fitted eccentrically. It is to provide a support structure.

The above object of the present invention is achieved by the following configurations.
(1) A housing main body having a terminal receiving hole, a rear holder that engages with a rear portion of the housing main body and presses a connection terminal received in the terminal receiving hole, and one side with respect to a central axis position of the housing main body A screwing portion formed on the rear holder so as to be eccentric to
A storage case having a front facing wall;
With
The screwing portion is screwed to the front facing wall in a state where the front facing wall is disposed at a position facing the front side thereof, whereby the housing body is fixed to the housing case. A support structure,
A portion of the free end side region of the rear holder located on the opposite side of the screwing portion across the central axis position of the housing body, and an inner wall portion of the housing case facing the free end side region portion By combining, the displacement to the back side of the part of the said free end side area | region is controlled, The connector support structure characterized by the above-mentioned.

(2) The above-mentioned (1), characterized in that as a means for restricting the displacement of the portion of the free end side region of the rear holder to the back side, an overhanging portion that contacts the back surface of the rear holder is provided on the inner wall portion. ) Connector support structure.

(3) A locking hole is provided in the inner wall portion as a means for restricting the displacement of the portion of the free end side region of the rear holder toward the back side, and the locking hole is provided in the free end side region of the rear holder. The connector support structure according to (1) above, wherein an engagement protrusion to be engaged is provided.

(4) As means for regulating displacement of the rear end portion of the rear holder to the back side, an engagement protrusion is provided on the inner wall portion, and the engagement portion is provided on the free end side portion of the rear holder. The connector support structure according to (1) above, wherein a locking hole for engaging the protrusion is provided.

(5) A housing main body having a terminal receiving hole, a rear holder that engages with a rear portion of the housing main body and holds the connection terminal received in the terminal receiving hole, and one side with respect to the central axis position of the housing main body A screwing portion formed on the rear holder so as to be eccentric to
A housing case having a front facing wall and a back facing wall arranged to cover the back side of the rear holder;
With
The screwing portion is screwed to the front facing wall in a state where the front facing wall is disposed at a position facing the front side thereof, whereby the housing body is fixed to the housing case. A support structure,
The portion of the free end side region is in contact with the portion of the free end side region of the rear holder located on the opposite side of the screw fixing portion across the center axis position of the housing body with the back facing wall. A connector support structure, characterized in that a spacer for restricting displacement toward the back-facing wall is provided.

(6) A housing main body having a terminal receiving hole, a rear holder that engages with a rear portion of the housing main body and holds a connection terminal received in the terminal receiving hole, and one side with respect to a central axis position of the housing main body A screwing portion formed on the rear holder so as to be eccentric to
A circuit board disposed on the back side of the rear holder;
A housing case having a front facing wall and a back facing wall arranged to cover the back side of the circuit board;
With
The screwing portion is screwed to the front facing wall in a state where the front facing wall is disposed at a position facing the front side thereof, whereby the housing body is fixed to the housing case, and The connection terminal that penetrates the rear holder is a connector support structure that is conductively connected to a circuit contact mounted on the circuit board,
The back-facing wall side of the portion of the board peripheral area is in contact with the back-facing wall at a portion of the board peripheral area located on the back side of the circuit board on the side opposite to the screwing portion of the rear holder. A connector support structure characterized in that a spacer for restricting the displacement to the projection is provided.

  In the connector support structure according to the present invention described in the above (1) to (4), when the screwing portion mounted on the rear holder is mounted eccentrically on one side with respect to the central axis position of the housing body, The pressing force against the front facing wall acting on the rear holder by the stopper itself is such that the rear holder is at the screwing part side and the free end side of the rear holder located on the opposite side of the screwing part with respect to the central axis position of the housing body. A difference arises with the area | region part, and it becomes weak in the part of the free end side area | region of a rear holder.

  However, when the rear holder is assembled to the storage case, the portion of the free end side region of the rear holder is engaged with the inner wall portion of the storage case facing the free end side region, and the portion of the free end side region of the rear holder is Displacement to the back side is restricted.

  That is, the displacement regulating force due to the engagement between the free end side region portion of the rear holder and the inner wall portion of the housing case compensates for the lack of pressing force at the free end side region portion of the rear holder, and the rear holder screwing portion side In both the free end side and the free end side, a state of being firmly fixed to the housing case can be obtained.

  Therefore, even when the screwing portion provided in the rear holder is provided eccentric to one side with respect to the central axis position of the housing body, each of the periphery of the screwing portion and the portion of the region away from the screwing portion is provided. It can be firmly fixed, and when mating with the mating connector, due to insufficient pressing force due to screwing, there is no significant displacement so that the side away from the screwing part falls into the housing case. Forcible deformation is not added to a part of the rear holder, and it is possible to prevent inconveniences such as poor connection between the connectors and breakage of the connector due to a drop or deformation of a part of the rear holder.

  Furthermore, in other words, even when the screwing portion provided to the rear holder for fixing the rear holder is provided eccentric to one side with respect to the central axis position of the housing body, the free end side region portion of the rear holder Engagement with the inner wall of the housing case prevents the rear holder from falling in the free end side area, improving the degree of freedom of the screw fixing part on the rear holder and making it easy to design the screw fixing part on the rear holder. Can be.

  In the connector support structure according to the present invention described in the above (5), when the screwing portion provided in the rear holder is provided eccentric to one side with respect to the central axis position of the housing body, The pressing force itself acting on the front facing wall acting on the rear holder is caused by the screwing part side of the rear holder and the free end side region of the rear holder located on the opposite side of the screwing part with respect to the central axis position of the housing body. A difference arises with a part, and it becomes weak in the part of the free end side area | region of a rear holder.

  However, when a rear case that covers the rear side of the rear holder is attached, a spacer projecting from the rear facing wall of the rear case comes into contact with the free end side region of the rear holder, so that the free end side of the rear holder Displacement of the region portion toward the back side is restricted.

  That is, the displacement restricting force due to the contact between the rear holder free end region and the spacer provided on the back case compensates for the lack of pressing force at the rear holder free end region, and the rear holder is screwed. In both the part side and the free end side, a state of being firmly fixed to the housing case can be obtained.

  Therefore, even when the screwing portion provided in the rear holder is provided eccentric to one side with respect to the central axis position of the housing body, each of the periphery of the screwing portion and the portion of the region away from the screwing portion is provided. It can be firmly fixed, and when mating with the mating connector, due to insufficient pressing force due to screwing, there is no significant displacement so that the side away from the screwing part falls into the housing case. Forcible deformation is not added to a part of the rear holder, and it is possible to prevent inconveniences such as poor connection between the connectors and breakage of the connector due to a drop or deformation of a part of the rear holder.

  Furthermore, in other words, even when the screwing portion provided in the rear holder for fixing the rear holder is provided eccentric to one side with respect to the central axis position of the housing body, it is provided in the free end side region of the rear holder. Since the rear case spacer abuts against the free end of the rear holder, the degree of freedom of arrangement of the screwing portions on the rear holder is improved, and the arrangement design of the screwing portions on the rear holder can be facilitated.

  Further, in the connector according to the present invention described in (6) above, when the screwing portion provided in the rear holder is provided eccentrically on one side with respect to the center axis position of the housing body, the screwing is performed on the rear holder. The pressing force against the front facing wall itself acts on the screwing part side of the rear holder and the part of the free end side region of the rear holder located on the opposite side of the screwing part with respect to the central axis position of the housing body. A difference arises and it becomes weak in the part of the free end side region of the rear holder.

  However, when a rear case that covers the circuit board on the rear side of the rear holder is attached, the spacer that protrudes from the circuit board comes into contact with the rear facing wall of the rear case, and the rear holder is located on the opposite side of the screwing portion. The displacement of the portion of the free end side region toward the back-facing wall is regulated through the circuit board.

  That is, in the portion of the free end side region of the rear holder, the displacement restricting force acting through the circuit board compensates for the lack of pressing force on the free end side of the rear holder, so that the screwing portion side and free end side region of the rear holder A state of being firmly fixed to the housing case in both of the portions can be obtained.

  Therefore, even when the screwing portion provided in the rear holder is provided eccentric to one side with respect to the central axis position of the housing body, each of the periphery of the screwing portion and the portion of the region away from the screwing portion is provided. It can be firmly fixed, and when mating with the mating connector, due to insufficient pressing force due to screwing, there is no significant displacement so that the side away from the screwing part falls into the housing case. Forcible deformation is not added to a part of the rear holder, and it is possible to prevent inconveniences such as poor connection between the connectors and breakage of the connector due to a drop or deformation of a part of the rear holder.

  Furthermore, in other words, even when the screwing portion provided in the rear holder for fixing the rear holder is provided eccentric to one side with respect to the central axis position of the housing body, it is provided in the free end side region of the rear holder. Since the rear case spacer abuts against the free end of the rear holder, the degree of freedom of arrangement of the screwing portions on the rear holder is improved, and the arrangement design of the screwing portions on the rear holder can be facilitated.

  DESCRIPTION OF EMBODIMENTS Hereinafter, preferred embodiments of a connector support structure according to the present invention will be described in detail with reference to the drawings.

(First embodiment)
1 is a perspective view of a housing main body and a rear holder engaged with a rear portion of the housing main body of the first embodiment of the connector support structure according to the present invention, and FIG. 2 is a longitudinal section of the assembled state of the housing main body and the rear holder shown in FIG. FIG. 3 is a rear view of the rear holder shown in FIG. 2, FIG. 4 is a longitudinal sectional view of the connector with the rear holder and housing body shown in FIG. 2 attached to the housing case, and FIG. 5 is shown in FIG. It is a perspective view which shows the shape of the overhang | projection part with which the storage case was equipped.

  As shown in FIGS. 1 and 2, the connector 1 of the connector support structure of the first embodiment is engaged with a resin housing main body 5 having a large number of terminal receiving holes 3 and a rear portion of the housing main body 5. And a resin rear holder 9 that holds the connection terminals 7 accommodated in the terminal accommodating holes 3.

  As shown in FIG. 2, the connection terminal 7 is accommodated in the terminal accommodation hole 3, and an elastic fitting portion 7 a into which the connection terminal of the mating connector is elastically fitted, and the rear holder 9 through the rear holder 9. The board connection terminal portion 7b protruding to the side is integrally formed of sheet metal.

  As shown in FIGS. 4 and 5, a housing case 16 having a front facing wall 14 with which the front surface of the rear holder 9 abuts is disposed on the front surface side of the rear holder 9.

  As shown in FIG. 3, the rear holder 9 of the present embodiment is equipped with a pair of screwing portions 9 a that are eccentric by a distance L on one side with respect to the central axis position G of the housing body 5.

  The rear holder 9 is positioned on the holder mounting portion 17 (see FIG. 5) on the back surface side of the housing case 16 so that the front surface of the rear holder 9 abuts the front facing wall 14 of the housing case 16, and the screwing portion 9a faces the front surface. It is fixed to the housing case 16 by being screwed to the wall 14.

  In the case of the present embodiment, as shown in FIG. 3, the pair of screwing portions 9a are formed by penetrating through holes 9c through which the screw members 18 are inserted into the plate portions 9b that abut against the front facing wall 14, as shown in FIG. As shown, it is fixed to the housing case 16 by a screw member 18 inserted through the screwing portion 9a.

  As shown in FIG. 5, the holder mounting portion 17 on the back surface side of the housing case 16 is formed by forming a substantially rhombic front facing wall 14 corresponding to the outer shape of the rear holder 9 into a recessed shape. Are provided with a housing insertion hole 14a through which the housing body 5 is inserted, and a pair of female screw portions (not shown) into which the screw member 18 is screwed.

  In the case of this embodiment, the free end side region S2 (see FIG. 3) of the rear holder 9 located on the opposite side of the screwing portion 9a across the central axis position G of the housing body 5 and the free end side region S2 The inner wall portion 19 of the housing case 16 that faces is engaged to regulate the displacement of the free end side region S2 toward the back side.

  In the present embodiment, as a means for restricting the displacement of the free end side region S2 to the back side, as shown in FIGS. 4 and 5, an overhanging portion 21 that abuts on the back surface of the rear holder 9 is provided on the inner wall portion 19. ing.

  In the connector 1 of the connector support structure according to the first embodiment described above, when the screwing portion 9a provided in the rear holder 9 is provided eccentric to one side with respect to the central axis position G of the housing body 5, The pressing force against the front facing wall acting on the rear holder 9 by screwing itself is opposite to the screwing part 9a side with respect to the screwing part 9a side of the rear holder 9 and the central axis position G of the housing body 5. A difference is generated between the free end side region S2 of the rear holder 9 positioned at the position and becomes weak in the free end side region S2 of the rear holder 9.

  However, when the rear holder 9 is assembled to the housing case 16, the free end side region S2 of the rear holder 9 engages with the overhanging portion 21 of the inner wall portion 19 of the housing case 16 facing the free end side region S2, and Displacement of the free end side region S2 of the rear holder 9 toward the back side is restricted.

  That is, the displacement restricting force due to the engagement between the free end side region S2 of the rear holder 9 and the inner wall portion 19 of the housing case 16 compensates for the lack of pressing force on the free end side of the rear holder 9, and the screwing portion of the rear holder 9 It is possible to obtain a state in which the housing case 16 is firmly fixed on both the 9a side and the free end side.

  Therefore, even when the screwing portion 9a provided on the rear holder 9 is provided eccentric to one side with respect to the central axis position G of the housing body 5, the periphery of the screwing portion 9a and the region away from the screwing portion 9a. (Free end side region S2) can be firmly fixed, and the side away from the screwing portion 9a is in the housing case 16 due to insufficient pressing force due to screwing at the time of mating connection with the mating connector. There is no significant displacement so as to fall down, and no excessive deformation is applied to a part of the connector, resulting in poor connection between the connectors due to the drop or deformation of a part of the rear holder 9, and damage to the connector. The occurrence of such inconveniences can be prevented.

  Furthermore, in other words, even when the screwing portion 9a provided to the rear holder 9 for fixing the rear holder 9 is provided eccentric to one side with respect to the central axis position G of the housing body 5, the rear holder 9 is free. Since the free end of the rear holder 9 can be prevented from falling by the engagement between the end side region S2 and the inner wall portion 19 of the housing case 16, the degree of freedom of arrangement of the screwing portions 9a on the rear holder 9 is improved. The arrangement design of the screwing portion 9a can be facilitated.

  Further, in the present embodiment, the means for restricting the displacement of the free end side region S2 of the rear holder 9 toward the back side is such that the overhanging portion 21 protrudes from the inner wall portion 19 so as to contact the back side of the rear holder 9. In such an engagement structure, it is not necessary to devise a structure particularly for engagement on the free end side region S2 side, and the structure of the free end side region S2 of the rear holder 9 can be simplified.

  In the connector support structure according to the present invention, the engagement structure between the inner wall portion 19 and the free end side region S2 as means for restricting the displacement of the free end side region S2 of the rear holder 9 to the back side is as described above. The structure is not limited to that shown in the first embodiment.

  For example, as a modified example of the engagement structure, a locking hole is provided in the inner wall portion 19 of the housing case 16, while an engagement protrusion that engages with the locking hole is provided in the free end side region S <b> 2 of the rear holder 9. It is good also as a composition.

  Further, contrary to the above-described modification of the engagement structure, an engagement projection is provided on the inner wall portion 19, and a locking hole for engaging the engagement projection is provided in the free end side region S <b> 2 of the rear holder 9. It is good also as a composition.

(Second Embodiment)
FIG. 6 is a longitudinal sectional view of the second embodiment of the connector support structure according to the present invention. As a means for regulating the displacement of the free end side region S2 of the rear holder 9 toward the back side, a spacer is provided on the back facing wall of the back case. It is explanatory drawing of the structure which protruded.

  In the case of the connector 31 according to the second embodiment, the housing main body 5 having the terminal accommodating holes 3 and the rear holder that engages with the rear portion of the housing main body 5 and presses the connection terminals 7 accommodated in the terminal accommodating holes 3. 9, and a screwing portion 9 a on the rear holder 9 which is mounted eccentrically on one side with respect to the central axis position G of the housing body 5 is provided on the front facing wall 14 facing the front side of the screwing portion 9 a. The basic configuration that the housing body 5 is fixed to the housing case 16 having the front facing wall 14 by screwing is the same as the connector 1 of the first embodiment.

  However, in the case of the connector 31 of the second embodiment, a back case 33 that covers the back side of the rear holder 9 is provided on the back side of the housing case 16.

  Further, in the case of the connector 31, the rear facing wall 33a of the rear case 33 is placed on the free end side region S2 of the rear holder 9 located on the opposite side of the screwing portion 9a with the central axis position G of the housing body 5 interposed therebetween. A spacer 35 is provided so as to abut and regulate the displacement of the free end side region S2 toward the rear facing wall.

  In the connector 31 of the connector support structure of the second embodiment described above, when the screwing portion 9a provided in the rear holder 9 is provided eccentric to one side with respect to the central axis position G of the housing body 5, The pressing force against the front facing wall acting on the rear holder 9 by screwing itself is opposite to the screwing part 9a side with respect to the screwing part 9a side of the rear holder 9 and the central axis position G of the housing body 5. A difference is generated between the free end side region S2 of the rear holder 9 positioned at the position and becomes weak in the free end side region S2 of the rear holder 9.

  However, when the rear case 33 covering the rear side of the rear holder 9 is attached, the spacer 35 projecting from the rear facing wall 33a of the rear case 33 comes into contact with the free end side region S2 of the rear holder 9, and the rear holder 9 Displacement of the free end side region S2 to the back side is restricted.

  That is, the displacement restricting force due to the contact between the free end side region S2 of the rear holder 9 and the spacer 35 provided on the rear case 33 compensates for the lack of the pressing force on the free end side of the rear holder 9, and the screw of the rear holder 9 A state of being firmly fixed to the housing case 16 can be obtained on both the stop portion 9a side and the free end side.

  Therefore, even when the screwing portion 9a provided in the rear holder 9 is provided eccentric to one side with respect to the central axis position G of the housing body 5, the periphery of the screwing portion 9a and the region away from the screwing portion 9a Can be firmly fixed, and at the time of mating connection with the mating connector, due to insufficient pressing force due to screwing, the side away from the screwing part 9a may be greatly displaced so as to fall into the housing case 16. In addition, excessive deformation is not applied to a part of the connector, and it is possible to prevent inconveniences such as poor connection between the connectors and damage to the connector due to a drop or deformation of a part of the rear holder 9. be able to.

  Furthermore, in other words, even when the screwing portion 9a provided to the rear holder 9 for fixing the rear holder 9 is provided eccentric to one side with respect to the central axis position G of the housing body 5, the rear holder 9 is free. Since the spacer of the rear case abuts against the end side region S2, it is possible to prevent the free end side of the rear holder 9 from falling, so that the degree of freedom of arrangement of the screwing portion 9a on the rear holder 9 is improved, and the screwing portion on the rear holder 9 The layout design of 9a can be facilitated.

(Third embodiment)
FIG. 7 is a longitudinal sectional view of the main part of the third embodiment of the connector support structure according to the present invention. As a means for regulating the displacement of the free end side region S2 of the rear holder 9 toward the back side, the rear surface of the rear holder 9 is shown. The structure which protruded and provided the spacer 43 in the circuit board 11 attached to FIG.

  Note that the rear holder 9 shown in FIG. 7 has the same configuration as the rear holder 9 shown in the first embodiment and the second embodiment.

  The circuit board 11 attached to the rear surface of the rear holder 9 includes a circuit contact to which a board connection terminal portion of a connection terminal penetrating the rear holder 9 is soldered.

  The spacer 43 protrudes from the back surface of the circuit board 11 in a board peripheral area S3 located on the opposite side (namely, the free end side area S2 side) of the rear holder 9 from the screwing portion 9a. By abutting against the back facing wall 33a of the back case 33 that covers the back side, the displacement of the substrate peripheral area S3 toward the back facing wall 33a is regulated.

  As in the third embodiment, the back surface of the back case 33 is placed on the back surface of the circuit board 11 attached to the back surface of the rear holder 9 and on the board peripheral region S3 of the circuit board 11 located on the free end side region S2 side of the rear holder 9. When the spacer 43 that abuts against the opposing wall 33a is provided, the displacement of the free end side region S2 of the rear holder 9 located on the opposite side of the screwing portion 9a toward the rear opposing wall side is caused to pass through the circuit board 11. The position is restricted, and the same effect as in the second embodiment can be obtained.

  That is, in the free end side region S2 of the rear holder 9, the displacement restricting force acting via the circuit board 11 compensates for the lack of pressing force on the free end side of the rear holder 9, and the screwing portion side and the free end of the rear holder 9 It is possible to obtain a state where the housing case 16 is firmly fixed on both sides.

  Accordingly, even when the screwing portion provided in the rear holder 9 is provided eccentric to one side with respect to the central axis position G of the housing body 5, each of the periphery of the screwing portion and the region away from the screwing portion, respectively. Can be firmly fixed, and when being connected to the mating connector, due to insufficient pressing force due to screwing, there is no significant displacement so that the side away from the screwing part falls into the housing case 16, and In addition, excessive deformation is not applied to a part of the connector, and it is possible to prevent inconveniences such as poor connection between the connectors and damage to the connector due to a drop or deformation of a part of the rear holder 9. .

It is a perspective view of the rear holder engaged with the housing main part of 1st Embodiment of the connector support structure which concerns on this invention, and the rear part of this housing main body. It is a longitudinal cross-sectional view of the assembly state of the housing main body and rear holder shown in FIG. It is a rear view of the rear holder shown in FIG. FIG. 3 is a connector longitudinal sectional view showing a state in which the rear holder and the housing main body shown in FIG. 2 are attached to a storage case. It is a perspective view which shows the shape of the overhang | projection part with which the accommodation case shown in FIG. 4 was equipped. In the longitudinal sectional view of the second embodiment of the connector support structure according to the present invention, as a means for restricting the displacement of the free end side region of the rear holder toward the back side, a spacer protrudes from the back facing wall of the back case. It is explanatory drawing. FIG. 9 is a longitudinal sectional view of a main part of a third embodiment of a connector support structure according to the present invention, and a spacer is attached to a circuit board attached to the rear surface of the rear holder as means for restricting the rear end of the free end region of the rear holder. It is explanatory drawing of the structure which protruded. It is a longitudinal cross-sectional view which shows the structure of the conventional connector. FIG. 9 is a longitudinal sectional view showing a state at the time of assembly in which the rear holder is engaged with the housing body in the connector shown in FIG. 8.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Connector 3 Terminal accommodation hole 5 Housing main body 7 Connection terminal 7b Board connection terminal part 9 Rear holder 9a Screwing part 11 Circuit board 14 Front facing wall 16 Housing case 18 Screw member 19 Inner wall part 21 Overhang | projection part 31 Connector 33 Back case 33a Back facing Wall 35 Spacer 43 Spacer G Center axis position S2 Free end side area

Claims (6)

A housing main body having a terminal receiving hole, a rear holder that engages with a rear portion of the housing main body and presses a connection terminal accommodated in the terminal receiving hole, and is eccentric to one side with respect to a central axis position of the housing main body. A screwing portion formed on the rear holder, and a connector having
A storage case having a front facing wall;
With
The screwing portion is screwed to the front facing wall in a state where the front facing wall is disposed at a position facing the front side thereof, whereby the housing body is fixed to the housing case. A support structure,
A portion of the free end side region of the rear holder located on the opposite side of the screwing portion across the central axis position of the housing body, and an inner wall portion of the housing case facing the free end side region portion By combining, the displacement to the back side of the part of the said free end side area | region is controlled, The connector support structure characterized by the above-mentioned.   The overhanging part which contacts the back of the rear holder is provided in the inner wall as a means which controls the displacement to the back side of the part of the free end side field of the rear holder according to claim 1 characterized by things. Connector support structure.   As means for restricting the displacement of the portion of the free end side region of the rear holder toward the back side, a locking hole is provided in the inner wall portion, and the free end side region of the rear holder is engaged with the locking hole. The connector support structure according to claim 1, wherein an engagement protrusion is provided.   As means for restricting displacement of the rear end region of the rear holder to the back side, an engagement protrusion is provided on the inner wall, and the engagement protrusion is engaged with the free end region of the rear holder. The connector support structure according to claim 1, further comprising a locking hole for mating. A housing main body having a terminal receiving hole, a rear holder that engages with a rear portion of the housing main body and presses a connection terminal accommodated in the terminal receiving hole, and is eccentric to one side with respect to a central axis position of the housing main body. A screwing portion formed on the rear holder, and a connector having
A housing case having a front facing wall and a back facing wall arranged to cover the back side of the rear holder;
With
The screwing portion is screwed to the front facing wall in a state where the front facing wall is disposed at a position facing the front side thereof, whereby the housing body is fixed to the housing case. A support structure,
The portion of the free end side region is in contact with the portion of the free end side region of the rear holder located on the opposite side of the screw fixing portion across the center axis position of the housing body with the back facing wall. A connector support structure, characterized in that a spacer for restricting displacement toward the back-facing wall is provided. A housing main body having a terminal receiving hole, a rear holder that engages with a rear portion of the housing main body and presses a connection terminal accommodated in the terminal receiving hole, and is eccentric to one side with respect to a central axis position of the housing main body. A screwing portion formed on the rear holder, and a connector having
A circuit board disposed on the back side of the rear holder;
A housing case having a front facing wall and a back facing wall arranged to cover the back side of the circuit board;
With
The screwing portion is screwed to the front facing wall in a state where the front facing wall is disposed at a position facing the front side thereof, whereby the housing body is fixed to the housing case, and The connection terminal that penetrates the rear holder is a connector support structure that is conductively connected to a circuit contact mounted on the circuit board,
The back-facing wall side of the portion of the board peripheral area is in contact with the back-facing wall at a portion of the board peripheral area located on the back side of the circuit board on the side opposite to the screwing portion of the rear holder. A connector support structure characterized in that a spacer for restricting the displacement to the projection is provided.

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