JP2013110023A - Connector with cover - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a connector with a cover capable of easily attaching and detaching to and from a mating connector housing without preventing the attachment and detachment operation to and from the mating connector housing by a wire whose position is regulated by a connector cover.SOLUTION: In a connector cover 40 for regulating a lead-out direction of a wire 30 which is connected to a rear end 20a of a connector housing 20 and leads out from the rear end 20a of the connector housing 20, a wire guiding wall part 42 includes shape deformation means 421 which deforms a shape of the wire guiding wall part 42 into a flexibly deformed electric wire retreating shape by a predetermined distance in a direction separated from a lock arm 22 against a normal wire support shape when a bending load more than a prescribed value is acted in the direction separated from the lock arm 22 on the connector housing 20 against the wire guiding wall part 42.

Description

  The present invention includes a connector housing that is fitted and connected to a mating connector, and a connector cover that is fitted and attached to the rear end of the connector housing and restricts the direction in which the electric wire is led out from the rear end of the connector housing. The present invention relates to a connector with a cover.

11 and 12 show a connector with a cover disclosed in Patent Document 1 below.
The connector with cover 100 is a connector housing 110 that is fitted and connected to a mating connector, and a connector that is fitted and attached to the rear end of the connector housing 110 and regulates the direction in which an electric wire is led out from the rear end of the connector housing 110. And a cover 120.

  The connector housing 110 is formed at a housing body 111 having a plurality of terminal insertion holes, a lock arm 112 projecting from an upper wall surface 111a that is one side surface of the housing body 111, and an end of the lock arm 112. The unlocking pressing portion 113 and cover coupling means 114 provided on both side walls on the rear end 111b side of the housing main body 111 are provided.

  In the connector housing 110, the electric wire connected to the terminal fitting to be accommodated is led out from the rear end 111b of the housing main body 111 in the direction indicated by the arrow X1.

  The lock arm 112 is formed by forming an engaging portion (not shown) with a mating connector at an intermediate portion of the arm main body 112a that rises from the front end side of the housing main body 111 and extends rearward. When the mating connector is engaged, the mating connector engaging means engages with the engaging portion, whereby the housing body 111 is coupled to the mating connector.

  The unlocking pressing portion 113 is pressed when releasing the engagement between the lock arm 112 and the mating connector engaging means. By depressing the unlocking pressing portion 113, the lock arm 112 is bent in the unlocking direction (upper wall surface 111a side), and the engagement between the lock arm 112 and the mating connector is released.

  The cover coupling unit 114 includes a cover guide rib 116 and a cover locking portion 117.

  The cover guide rib 116 is formed in a rib shape extending along the fitting and mounting direction of the connector cover 120 with respect to the rear end 111b of the housing body 111 (the direction opposite to the arrow X1 direction in FIG. 11). It is formed on both outer side surfaces 111c. The cover guide rib 116 guides the connector cover 120 in the fitting direction when the connector cover 120 is fitted to the rear end 111b.

  The cover locking portion 117 is engaged with the connector cover 120 when the fitting of the connector cover 120 to the rear end 111b is completed, and fixes the connector cover 120.

  The connector cover 120 includes a housing fixing portion 121 fitted and attached to the rear end of the connector housing 110, and a wire guide wall portion 122 formed integrally with the rear end of the housing fixing portion 121.

  The housing fixing portion 121 has a cylindrical shape or a bowl shape that accommodates an electric wire led out from the rear end 111 b of the housing main body 111. The housing fixing portion 121 includes a rib engaging groove 124 and a housing engaging portion 125 on both side wall portions 121 a covering both side surfaces of the rear end 111 b of the connector housing 110.

  The rib engaging groove 124 restricts the moving direction of the connector cover 120 when the connector cover 120 is fitted to the connector housing 110 by inserting the cover guide rib 116.

  The housing engaging portion 125 engages with the cover locking portion 117 when the connector cover 120 reaches the normal fitting completion position with respect to the connector housing 110, so that the connector cover 120 is engaged with the rear end of the housing body 111. It is a protrusion fixed to 111b.

  As shown in FIG. 11, the housing fixing portion 121 is provided with a terminal pushing protrusion 126.

  The terminal pushing protrusion 126 is inserted into the terminal insertion hole of the housing main body 111 when the connector cover 120 is fitted to the housing main body 111, and the terminal fitting in the halfway insertion state in the terminal insertion hole is normally inserted. Push into position.

  The wire guide wall portion 122 is provided so as to extend from the rear end of the housing fixing portion 121 in a direction orthogonal to the direction in which the wire is drawn in the housing body 111 (in the direction of arrow Y1 in FIG. 11). The electric wire guide wall portion 122 changes the direction of the electric wire led out from the housing main body 111 in a direction orthogonal to the lead-out direction from the housing main body 111 and leads it out.

  The electric wire guide wall 122 in Patent Document 1 is formed in a rigid structure that is difficult to be deformed in a direction orthogonal to the direction in which the electric wire is led out (the direction of the arrow Y1).

JP 2000-348810 A

  By the way, depending on the environment on the mating connector side to which the connector housing 110 is connected, the electric wire led out from the connector housing 110 is vertically upward from the rear end of the connector housing 110 (in the direction of arrow Y2 in FIG. 11), contrary to FIG. May be required to be derived.

  Conventionally, in such a case, a connector cover is prepared in which the wire guide wall 122 extending from the rear end of the housing fixing portion 121 extends upward in the opposite direction to the example shown in FIG. And respond.

  However, when the electric wire led out from the connector housing 110 is led vertically upward from the rear end of the connector housing 110 contrary to FIG. 11, the lead-out wire traverses the rear of the lock arm 112, and Patent Document In the connector cover 1, the wire guide wall portion 122 that regulates the lead-out direction of the wire has a rigid structure, and therefore, when operating the unlocking push-down portion 113, it crosses the rear of the unlocking push-down portion 113. There is a problem in that the operation of the connected electric wire obstructs the operation, and it becomes difficult to detach the connector 100 with the cover from the mating connector housing.

  Accordingly, an object of the present invention is to solve the above-described problem, and the detachment operation with respect to the mating connector housing is not hindered by the electric wire whose position is regulated by the connector cover, and the detachment with respect to the mating connector housing is easy. It is to provide a connector with a cover that can be used in a simple manner.

The above-described object of the present invention is achieved by the following configuration.
(1) a connector housing that is fitted and connected to the mating connector, and a connector cover that is coupled to the rear end of the connector housing and regulates the direction in which the electric wire is led out from the rear end of the connector housing;
The connector housing includes a housing main body having a plurality of terminal insertion holes, and a lock arm that protrudes from one side of the housing main body and engages with an engaging means of the mating connector to couple the housing main body to the mating connector. And an unlocking pressing portion that is formed at the end of the lock arm and is operated when releasing the engagement between the lock arm and the mating connector.
The connector cover is provided with a housing fixing portion coupled to a rear end of the connector housing, and extends from the rear end of the housing fixing portion in a direction orthogonal to a direction in which the electric wire is led out from the housing body. A wire guide wall portion that changes the direction of the electric wire led out from the main body in a direction perpendicular to the direction from which the housing main body is drawn out, and a connector with a cover,
The wire guide wall portion of the connector cover has a shape that allows the wire guide wall portion to have a normal wire support shape when a bending load exceeding a specified value is applied to the wire guide wall portion in a direction away from the lock arm. A connector with a cover, comprising shape deforming means for deforming into a wire retracting shape that is bent and deformed by a predetermined distance in a direction away from the lock arm with respect to the shape.

  (2) The shape deforming means is a notch groove having a V-shaped cross section that crosses the electric wire guide wall, and when the electric wire guide wall is bent and deformed to a predetermined electric wire retracting shape, The connector with a cover according to (1) above, wherein an inclination angle of each side surface of the notch groove is set so that side surfaces are in contact with each other and further bending deformation is restricted.

  According to the configuration of (1) above, the wire guide wall portion of the connector cover that causes the electric wire led out from the housing main body to change direction in the direction orthogonal to the lead-out direction from the housing main body and is led out is provided with shape deforming means. ing. Therefore, by applying a bending load more than specified in the direction away from the lock arm of the connector housing to the wire guide wall, the shape of the wire guide wall is separated from the lock arm with respect to the normal wire support shape. The wire can be deformed into a retracted shape that is bent and deformed by a predetermined distance in the direction.

  Therefore, even when the connector cover regulates the direction of the electric wire so that the electric wire crosses the rear side of the lock arm of the connector housing, the electric wire guide wall portion of the connector cover is deformed into the electric wire retracting shape, thereby Move the electric wire whose position is regulated by the guide wall away from the lock arm, and secure enough working space for the operation of the unlocking pressing part between the electric wire and the lock arm. The detachment operation can be facilitated.

  That is, according to the configuration of (1) above, the detachment operation with respect to the mating connector housing is not hindered by the electric wire whose position is restricted by the connector cover, and can be easily detached from the mating connector housing.

  In addition, the shape deforming means equipped on the wire guide wall functions as a buffering means to mitigate the impact by deformation when an impact is applied due to dropping, etc., so that it is possible to suppress damage to the connector cover due to dropping. Become.

  According to the configuration of (2) above, when the shape deforming means is a notch groove having a V-shaped cross section, and when the wire guide wall portion is bent and deformed to a predetermined wire retracting shape, the side surface of the notch groove. They are brought into contact with each other and further bending deformation is restricted. Therefore, it is possible to prevent the electric wire from being excessively bent due to the deformation of the electric wire guide wall, and to prevent the electric wire from being damaged due to the excessive bending.

  According to the connector with a cover according to the present invention, the wire guide wall portion of the connector cover that regulates the lead-out direction of the electric wire from the housing main body is provided with shape deforming means and is defined in a direction away from the lock arm of the connector housing. By applying the bending load described above, the shape of the wire guide wall can be deformed into a wire retracting shape that is bent and deformed by a predetermined distance in a direction away from the lock arm with respect to the normal wire support shape.

  Therefore, even when the connector cover regulates the direction of the electric wire so that the electric wire crosses the rear side of the lock arm of the connector housing, the electric wire guide wall portion of the connector cover is deformed into the electric wire retracting shape, thereby By separating the electric wire whose position is regulated by the guide wall portion from the lock arm, the working space between the electric wire and the lock arm can be expanded, and the detaching operation with respect to the mating connector housing can be facilitated.

  That is, according to the connector with a cover according to the present invention, the detachment operation with respect to the mating connector housing is not hindered by the electric wire whose position is regulated by the connector cover, and the detachment with respect to the mating connector housing can be easily performed.

  In addition, the shape deforming means equipped on the wire guide wall functions as a buffering means to mitigate the impact by deformation when an impact is applied due to dropping, etc., so that it is possible to suppress damage to the connector cover due to dropping. Become.

It is an exploded perspective view of one embodiment of a connector with a cover concerning the present invention. It is a side view of the connector cover of FIG. It is operation | movement explanatory drawing of the shape deformation | transformation means of the connector cover shown in FIG. It is a perspective view of the assembly completion state of the connector with a cover of FIG. It is A arrow directional view of FIG. It is BB sectional drawing of FIG. It is an enlarged view of the C section of FIG. In the connector with a cover in an assembled state of one embodiment, it is a longitudinal sectional view showing the positional relationship between an electric wire led out from a connector housing and an electric wire guide wall portion in a normal electric wire support shape. FIG. 9 is a side view showing a state where an electric wire is fixed to an electric wire guide wall portion having a normal electric wire support shape in the connector with a cover of FIG. 8. It is a side view of the state with the electric wire guide wall part deform | transformed into the electric wire escape shape in the connector with a cover of the assembly completion state of one Embodiment. It is a side view of the state before the assembly of the connector with a cover provided with the conventional connector cover 120. It is a side view after the assembly of the connector with a cover shown in FIG.

  Hereinafter, a preferred embodiment of a connector with a cover according to the present invention will be described in detail with reference to the drawings.

  1 to 10 show an embodiment of a connector with a cover according to the present invention. FIG. 1 is an exploded perspective view of the connector with a cover according to an embodiment. FIG. 2 is a side view of the connector cover of FIG. 3 is an operation explanatory view of the shape changing means of the connector cover shown in FIG. 2, FIG. 4 is a perspective view of an assembled state of the connector with cover of FIG. 1, FIG. 5 is a view as seen from the arrow A in FIG. Fig. 7 is an enlarged view of section C of Fig. 6, Fig. 8 is an enlarged view of portion C of Fig. 6, and Fig. 8 is an electric wire led out from the connector housing and an electric wire guide wall portion in a normal electric wire support shape in the connector with cover of one embodiment. FIG. 9 is a side view showing a state where an electric wire is fixed to an electric wire guide wall portion of a normal electric wire support shape in a connector with a cover according to an embodiment, and FIG. 10 is an embodiment. In the connector with cover, the wire was fixed Line guide wall portion is a side view of a deformed state into the wire retracting shape.

  The connector with cover 1 according to this embodiment includes a connector housing 20 that is fitted and connected to a mating connector, and an electric wire 30 that is coupled to the rear end of the connector housing 20 and is led out from the rear end 20a of the connector housing 20 (FIG. 8). And a connector cover 40 that regulates the lead-out direction.

  The connector housing 20 is formed at a housing main body 21 having a plurality of terminal insertion holes 211, a lock arm 22 projecting from a housing upper surface 21 a that is one side surface of the housing main body 21, and an end of the lock arm 22. And an unlocking pressing unit 23. The rear end 20 a of the connector housing 20 is also the rear end of the housing body 21.

  The plurality of terminal insertion holes 211 in the housing main body 21 are formed to penetrate from the rear end 20a toward the front end. As shown in FIG. 8, the terminal fitting 31 that is crimped and connected to the end of the electric wire 30 is inserted into the terminal insertion hole 211. A lance 25 is provided in the terminal insertion hole 211 as shown in FIG. The lance 25 locks the terminal fitting 31 inserted to a predetermined fitting completion position, and prevents the terminal fitting 31 from coming off.

  As shown in FIG. 1, cover guide ribs 26 and cover locking portions 27 are provided on both outer side surfaces near the rear end 20 a of the housing body 21.

  The cover guide rib 26 is formed on the side surface of the rear end 20a in a rib shape extending along the fitting and mounting direction of the connector cover 40 with respect to the rear end 20a (the arrow X2 direction in FIG. 1). The cover guide rib 26 guides the connector cover 40 in the fitting direction when the connector cover 40 is fitted to the rear end 20a of the housing body 21.

  The cover locking portion 27 engages with the connector cover 40 when the fitting of the connector cover 40 to the rear end 20a is completed, and fixes the connector cover 40.

  As shown in FIG. 8 described later, the lock arm 22 rises from a position near the front end of the housing upper surface 21a in the housing main body 21 and extends toward the rear end 20a of the housing main body 21 so as to extend toward the rear end 20a. It is the structure which provided the recess 22b for engagement in the intermediate part of 22a.

  When the housing main body 21 is fitted and mounted on the mating connector, the lock arm 22 couples the housing main body 21 to the mating connector by engaging the engaging means of the mating connector with the recess 22b.

  The unlocking pressing portion 23 is a pressing portion formed at the end of the lock arm 22 located near the rear end 20a of the housing body 21. This unlocking pressing portion 23 is pressed in the direction of arrow Y2 in FIG. 1 when releasing the engagement between the lock arm 22 and the mating connector engaging means. When the unlocking pressing portion 23 is pressed in the direction of the arrow Y2 in FIG. 1, the lock arm 22 bends downward (housing upper surface 21a side), and the engagement means of the mating connector and the recess 22b of the lock arm 22 are engaged. It can be canceled.

  As shown in FIGS. 2 to 4, the connector cover 40 includes a housing fixing portion 41 and a wire guide wall portion 42 that is integrally formed at the rear end of the housing fixing portion 41.

  The housing fixing portion 41 is a part that is coupled to the rear end 20a by being fitted to the rear end 20a of the connector housing 20. The housing fixing portion 41 has a substantially U-shaped cross-sectional structure that fits on both side surfaces of the rear end 20a of the housing main body 21 and the three wall surfaces of the lower surface. As shown in FIGS. 1 and 2, the housing fixing portion 41 of the present embodiment includes a terminal pushing protrusion 411, a rib engaging groove 412, and a housing engaging portion 413 on the front end side. .

  The terminal pushing protrusion 411 is inserted into the terminal insertion hole 211 of the housing main body 21 with the fitting of the housing fixing portion 41 to the connector housing 20, and the terminal fitting 31 in the intermediate insertion state in the terminal insertion hole 211 is inserted. Push it into the normal insertion completion position.

  The rib engaging groove 412 and the housing engaging portion 413 are formed on both side wall portions 415 of the housing fixing portion 41 that covers both side surfaces of the rear end 20a of the connector housing 20.

  As shown in FIG. 4, the rib engagement groove 412 is inserted into the cover guide rib 26 so that the movement direction of the housing fixing portion 41 when the housing fixing portion 41 is fitted to the connector housing 20 is set in the fitting direction. To regulate.

  As shown in FIGS. 6 and 7, the housing engaging portion 413 is engaged with the cover locking portion 27 when the housing fixing portion 41 reaches the normal fitting completion position with respect to the connector housing 20. Thus, it is a protrusion for fixing the housing fixing portion 41 to the rear end 20a of the connector housing 20.

  As shown in FIG. 2, the wire guide wall 42 is formed in a direction (arrow in FIG. 2) orthogonal to the direction in which the wire 30 is led out from the housing body 21 (arrow X <b> 3 in FIG. 2) from the rear end of the housing fixing portion 41. Y3 direction) is provided, and the electric wire 30 led out from the housing main body 21 is converted into a vertical upward direction perpendicular to the lead-out direction from the housing main body 21 and led out.

  In the present embodiment, the wire guide wall portion 42 is subjected to a bending load F exceeding a specified value as shown by an arrow F in FIG. 2 in a direction away from the lock arm 22 with respect to the distal end side of the wire guide wall portion 42. Further, a shape deforming means 421 for deforming the shape of the wire guide wall portion 42 into the wire retracting shape K2 shown in FIG. 3 with respect to the normal wire support shape K1 shown in FIG. 2 is provided.

  As shown in FIG. 3, the wire retracting shape K <b> 2 described above is a shape in which the distal end side of the wire guiding wall portion 42 is bent and deformed by a predetermined distance L in a direction away from the lock arm 22.

  The shape deforming means 421 in the present embodiment is a notch groove having a V-shaped cross section that crosses the wire guide wall portion 42. Further, as shown in FIG. 3, the shape deforming means 421 is configured such that when the wire guide wall portion 42 is bent and deformed to a predetermined wire retracting shape K2, the pair of side surfaces 421a and 421b of the notch groove come into contact with each other. The inclination angles of the side surfaces 421a and 421b of the notch groove are set so that the above bending deformation is regulated.

  The connector with cover 1 of the present embodiment is fitted and connected to the mating connector in an assembled state in which the connector cover 40 is coupled to the rear end of the housing body 21 as shown in FIG. In the connector with cover 1 fitted and connected to the mating connector, the wire 30 led out from the wire guide wall 42 is fastened to the wire guide wall 42 with a binding tape 50 or the like as shown in FIG. The wire guide wall 42 is fixed. At this time, the wire guide wall portion 42 has a normal wire support shape K1 that restricts the lead-out direction of the wire 30 vertically upward.

  When detaching the cover-equipped connector 1 from the mating connector, a bending load F in a direction away from the lock arm 22 is applied to the distal end side of the wire guide wall portion 42 as shown in FIG. Next, the electric wire guide wall portion 42 is deformed into the electric wire retracting shape K2 in a backward inclined state.

  As shown in FIG. 10, by deforming the electric wire guide wall portion 42 into the electric wire retracting shape K2, it is necessary and sufficient for the operation of the unlocking pressing portion 23 between the electric wire 30 and the unlocking pressing portion 23. A large working space P is secured.

  According to the configuration of the cover-equipped connector 1 according to the embodiment described above, the electric wire of the connector cover 40 that changes the direction of the electric wire 30 led out from the housing main body 21 in a direction orthogonal to the lead-out direction from the housing main body 21. The guide wall portion 42 is provided with shape deforming means 421. Therefore, the shape of the wire guide wall 42 is made to be different from that of the normal wire support shape K1 by applying a bending load F exceeding a specified value to the wire guide wall 42 in the direction away from the lock arm 22 of the connector housing 20. Thus, the wire can be deformed into a wire retracting shape K2 that is bent and deformed by a predetermined distance L in a direction away from the lock arm 22.

  Accordingly, as shown in FIG. 10, even when the connector cover 40 restricts the direction in which the electric wire 30 is led out so that the electric wire 30 crosses the rear side of the lock arm 22 of the connector housing 20 as shown in FIG. By deforming the electric wire guide wall portion 42 of the connector cover 40 into the electric wire retracting shape K2, the electric wire 30 whose position is regulated by the electric wire guide wall portion 42 is separated from the lock arm 22, and the electric wire 30 and the lock arm 22 In the meantime, it is possible to secure a work space P necessary and sufficient for the operation of the unlocking pressing portion 23 and facilitate the detaching operation with respect to the mating connector housing 20.

  That is, according to the configuration of the connector with cover 1 of the embodiment described above, the detachment operation with respect to the mating connector housing 20 is not hindered by the electric wire 30 whose position is regulated by the connector cover 40, and The connector housing 20 can be easily detached.

  In addition, the shape deforming means 421 provided on the electric wire guide wall 42 functions as a buffer means for mitigating the impact due to the deformation when an impact is applied due to a drop or the like, and therefore prevents damage to the connector cover 40 due to the drop. Is also possible.

  Further, according to the configuration of the connector with cover 1 of the embodiment described above, the shape deforming means 421 is a notch groove having a V-shaped cross section as shown in FIG. When the portion 42 is bent and deformed to a predetermined wire retracting shape K2, as shown in FIG. 3, the side surfaces 421a and 421b of the notch grooves come into contact with each other, and further bending deformation is restricted. Therefore, it is possible to prevent the electric wire 30 from being bent excessively due to the deformation of the electric wire guide wall portion 42 and to prevent the electric wire 30 from being damaged due to excessive bending.

  In addition, the connector with a cover of this invention is not limited to embodiment mentioned above, A deformation | transformation, improvement, etc. are possible suitably.

  For example, the specific structure of the shape deforming means 421 for deforming the wire guide wall portion of the connector cover from the normal wire support shape K1 to the wire retracting shape K2 is the notch groove having a V-shaped cross section shown in the above embodiment. Not limited to. When the wire guide wall portion is deformed into the wire retracting shape K2, it is possible to change the design to an appropriate shape capable of restricting further bending of the wire guide wall portion.

  Further, the shape deforming means 421 may be configured with a simple thin portion that does not have a function of restricting the bending.

DESCRIPTION OF SYMBOLS 1 Connector with cover 20 Connector housing 20a Rear end 21 Housing main body 22 Lock arm 23 Unlocking pressing part 30 Electric wire 31 Terminal metal fitting 40 Connector cover 41 Housing fixing part 42 Electric wire guide wall part 421 Shape deformation means

Claims (2)

A connector housing that is fitted and connected to the mating connector; and a connector cover that is coupled to the rear end of the connector housing and regulates the direction in which the electric wire is led out from the rear end of the connector housing,
The connector housing includes a housing main body having a plurality of terminal insertion holes, and a lock arm that protrudes from one side of the housing main body and engages with an engaging means of the mating connector to couple the housing main body to the mating connector. And an unlocking pressing portion that is formed at the end of the lock arm and is operated when releasing the engagement between the lock arm and the mating connector.
The connector cover is provided with a housing fixing portion coupled to a rear end of the connector housing, and extends from the rear end of the housing fixing portion in a direction orthogonal to a direction in which the electric wire is led out from the housing body. A wire guide wall portion that changes the direction of the electric wire led out from the main body in a direction perpendicular to the direction from which the housing main body is drawn out, and a connector with a cover,
The wire guide wall portion of the connector cover has a shape that allows the wire guide wall portion to have a normal wire support shape when a bending load exceeding a specified value is applied to the wire guide wall portion in a direction away from the lock arm. A connector with a cover, comprising shape deforming means for deforming into a wire retracting shape that is bent and deformed by a predetermined distance in a direction away from the lock arm with respect to the shape.   The shape deforming means is a notch groove having a V-shaped cross section that crosses the wire guide wall portion, and when the wire guide wall portion is bent and deformed to a predetermined wire retracting shape, the side surfaces of the notch groove are aligned with each other. The connector with a cover according to claim 1, wherein an inclination angle of each side surface of the notch groove is set so as to abut and a further bending deformation is regulated.

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