JP2015185292A - Connector detachment prevention device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a connector detachment prevention device which prevents detachment of a connector.SOLUTION: A connector detachment prevention device 10 comprises: a plate part 30 having an opening and a through-hole, different from the opening, which is provided in the vicinity of the opening; and an elastic insertion port cover 20 which has, on its one surface, a columnar part 23 provided with a stopper on its end as well as a holding part 22 for holding a cord 3 extending from a connector 2. By inserting the columnar part 23 into the through-hole, the plate part 30 and the insertion port cover 20 are assembled to each other. By inserting or pulling out the columnar part 23 into or from the through-hole, the insertion port cover 20 becomes movable in a manner freely spaced apart from the plate part 30. When the insertion port cover 20 is spaced apart from the plate part 30, the stopper projecting from the through-hole comes into contact with the plate part 30 so as to prevent detachment from the plate part 30. When the connector 2 is inserted from the opening into an insertion port, the stopper comes into contact with the plate part 30 so that the holding part 22 holds the cord 3 and an end face of the holding part 22 comes into contact with an end face of the connector 2.

Description

  The present invention relates to a connector detachment prevention device.

  In a housing provided with a female connector, it is widely known to cover the insertion port with a cover when the male connector is not inserted into the insertion port of the female connector.

  In addition, the connector prevents the male connector from being removed from the female connector by a locking mechanism such as a lock structure or screw structure, such as a LAN terminal (RJ-45) or RS-232C (D-Sub25pin, 9pin). There is something.

  On the other hand, since connectors such as plugs, USB connectors, IEEE1394 connectors, HDMI (registered trademark) connectors, and phone connectors do not have a latching mechanism, the female connector and the male connector can be easily inserted and removed. .

  In a connector that does not include these latch mechanisms, the male connector is detached from the female connector when the cord extending from the male connector is pulled unexpectedly.

  In order to solve this problem, Patent Document 1 discloses a dust-proof cap having a hole formed at the tip.

  This dust-proof cap is a rubber that forms a dust-proof cap when a plug that is a male connector is connected to a jack that is a female connector by passing a cord extending from the plug through the hole at the tip of the dust-proof cap. Due to the elasticity of the plug, the plug is pushed to the jack side to prevent the plug from coming out of the jack.

JP 10-125393 A

  However, in the dust cap described in Patent Document 1, since the dust cap is disposed obliquely with respect to the direction in which the plug is pulled, the pressing force against the plug is not sufficient, and the plug may easily come off. .

  This invention is made | formed in view of this present condition, and an object of this invention is to provide the connector removal prevention apparatus which prevents that a male connector remove | deviates from a female connector easily.

In order to achieve the above object, the connector detachment preventing device of the present invention is:
A plate portion comprising an opening and a through hole different from the opening in the vicinity of the opening;
An insertion port cover having elasticity;
A connector detachment prevention device comprising:
The insertion port cover includes, on one surface of the insertion port cover, a columnar part having a stopper at an end, and a gripping part for gripping a cord extending from the connector,
The plate part and the insertion port cover are assembled by passing the columnar part through the through hole,
The insertion port cover can be moved freely with respect to the plate portion by inserting and removing the columnar portion from the through hole, and the stopper that protrudes from the through hole when separated from the plate portion. Is separated from the plate portion by contacting the plate portion,
When the connector is inserted into the insertion port from the opening,
The stopper is in contact with the plate portion;
The grip portion grips the cord, and an end surface of the grip portion abuts on an end surface of the connector.

  According to the present invention, when the connector is inserted into the insertion port, the plate portion and the stopper come into contact with each other, whereby the insertion port cover is locked at a predetermined position, and the end surface of the gripping unit and the connector When the end surface comes into contact with the end surface, the end surface of the gripping part holds the end surface of the connector. Therefore, it is possible to prevent the connector from being easily detached from the insertion port.

It is a perspective view of the state where the insertion port cover was turned up and the insertion port was opened in the connector detachment prevention device according to the embodiment of the present invention. FIG. 6 is a perspective view of the connector detachment preventing device according to the embodiment of the present invention in a state where the connector is inserted into the insertion port and the cord is gripped by the grip portion. It is the perspective view which looked at the insertion port cover in the connector detachment prevention device concerning an embodiment of the invention from one side. It is the perspective view which looked at the insertion port cover in the connector detachment prevention device concerning an embodiment of the invention from the other side. It is a perspective view of the state where the columnar part was pulled out from the through hole and the insertion port cover was turned up in the connector detachment preventing device according to the embodiment of the present invention. It is a perspective view of the plate part in the connector detachment prevention device concerning an embodiment of the invention. It is a perspective view of the state which plugged the insertion slot with the insertion slot cover in the connector detachment prevention device concerning an embodiment of the invention.

  A connector detachment preventing device 10 according to an embodiment of the present invention will be described below with reference to the drawings.

  When the male connector 2 is inserted into the insertion port 1a of the female connector 1, the connector detachment prevention device 10 according to the embodiment of the present invention is brought into contact with the plate portion 30 and the stopper 23b. 20 is locked at a predetermined position, and the end surface of the gripper 22 and the end surface of the male connector 2 are in contact with each other. Is prevented from being easily detached from the insertion port 1a.

  Further, when the male connector 2 is removed from the insertion port 1a of the female connector 1, the insertion port cover 20 covers the insertion port 1a of the female connector 1 to prevent entry of dust or the like.

  FIG. 1 shows an example of a state in which a connector detachment preventing device 10 according to the present embodiment is provided in a housing (not shown) provided with a female connector 1.

  As shown in FIG. 1, the connector detachment preventing device 10 according to the present embodiment includes an insertion port cover 20 (a state where the cover is turned up from the cover storage portion 32) and a plate portion 30.

  When the male connector 2 is removed from the insertion port 1a of the female connector 1 as shown in FIG. 1, the insertion port cover 20 has the insertion port 1a of the female connector 1 provided in the housing (not shown). 2 is a member for preventing the male connector 2 from being detached from the female connector 1 when the male connector 2 is inserted into the insertion port 1a of the female connector 1, as shown in FIG. Molded from resin or the like. Therefore, the insertion port cover 20 can be turned up as shown in FIG.

  Further, as shown in FIG. 3, the insertion port cover 20 includes a cover main body 21, a gripping portion 22, and a columnar portion 23, and the cover main body 21, the gripping portion 22, and the columnar portion 23 are integrally formed. Has been. Therefore, the insertion port cover 20 is easy to produce, is excellent in strength and durability, and can suppress the number of parts of the connector removal prevention device.

  The cover body 21 is a part of the insertion port cover 20 and has a function of closing the insertion port 1a. The cover main body 21 in this embodiment is a rectangular flat plate-like elastic body. As shown in FIG. 4, the grip portion 22 and the columnar portion 23 are provided on one of the rectangular surfaces (the surface facing the plate portion 30). And.

  As shown in FIG. 2, the grip portion 22 is a portion that grips the cord 3 extending from the male connector 2 and presses the end surface of the male connector 2 when the male connector 2 is inserted into the female connector 1. As shown in FIG. 4, the projection 22 a and the cord storage portion 22 b are configured.

  As shown in FIG. 4, the protruding portion 22 a is a columnar portion protruding from the cover main body 21, and joins the cover main body 21 and the cord housing portion 22 b.

  Further, as shown in FIG. 2, the cord accommodating portion 22b is a portion into which the cord 3 is inserted and gripped, and as shown in FIG. 4, an insertion port 22c and a hollow portion 22d are formed.

  The insertion port 22c is an opening for inserting the cord 3 into the hollow portion 22d, and the direction of the insertion port 22c is formed opposite to the protruding portion 22a as shown in FIG. Is formed narrower than the outer diameter φa of the cord 3 (see FIG. 2). In addition, since the front-end | tip part 22e (refer FIG. 4) of the insertion port 22c is rounded and chamfered, the code | cord | chord 3 can be inserted easily.

  The hollow portion 22d is a portion in which the cord 3 inserted from the insertion port 22c is accommodated, and the inner diameter φb (see FIG. 4) of the hollow portion 22d is the same as the outer diameter φa of the cord 3 (see FIG. 2). Is formed. Therefore, the cord 3 is held by the cord accommodating portion 22b and cannot be easily detached. In addition, since the cross-sectional shape of the cord 3 in the present embodiment is round, as shown in FIG. 4, the shape of the hollow portion 22d is also round.

  As shown in FIG. 5, the columnar portion 23 is a portion having a function of assembling the insertion port cover 20 and the plate portion 30 by being inserted into the through hole 33 of the plate portion 30. Thus, it is comprised from the long axis pillar 23a, the stopper 23b, and the small diameter pillar 23c. In addition, since the insertion port cover 20 is integrally molded as described above, these are also integrally molded.

  As shown in FIG. 4, the long-axis column 23 a is a columnar portion that protrudes from one of the rectangular surfaces of the cover main body 21 (the surface facing the plate portion 30), like the protruding portion 22 a. An outer diameter φc of the long-axis column 23a is formed smaller than an inner diameter φd of the through hole 33 (see FIG. 6). Therefore, as shown in FIG. 5, the long-axis column 23 a penetrating the through-hole 33 can be inserted and removed from the through-hole 33, and the cover main body 21 formed integrally with the long-axis column 23 a is And move freely.

  Further, as shown in FIG. 4, the stopper 23b is a cylindrical portion formed integrally with the long-axis column 23a at the tip of the long-axis column 23a. The periphery of the tip of the stopper 23b is chamfered, and the stopper 23b has a wedge shape. Therefore, it can be easily penetrated by pushing the stopper 23 b into the through-hole 33. Further, the outer diameter φe of the stopper 23b is formed larger than the inner diameter φd of the through hole 33 (see FIG. 6). Therefore, once the stopper 23b is penetrated, the stopper 23b is not easily removed from the through hole 33 (because the stopper 23b abuts on the plate portion 30), and the insertion port cover 20 and the plate portion 30 are separated. Can be prevented.

  As shown in FIG. 4, the small-diameter column 23 c is a cylindrical portion that is formed integrally with the stopper 23 b on the end surface of the stopper 23 b. The outer diameter φf of the small-diameter column 23 c is formed smaller than the outer diameter φe of the through hole 33 (see FIG. 6). Therefore, when the stopper 23 b is inserted into the through hole 33, the small diameter column 23 c is guided without being detached from the through hole 33, so that the stopper 23 b can be easily inserted into the through hole 33.

  The plate portion 30 is a plate-like member formed of a rigid member such as resin or metal, and includes an opening 31, a cover storage portion 32, a through hole 33, and an insertion groove 34 as shown in FIG. And a housing (not shown) provided with the female connector 1.

  The opening 31 is provided so that the male connector 2 can be freely attached to and detached from the insertion port 1a of the female connector 1 provided in the housing (not shown). As shown in FIG. It is an opening that penetrates the portion 30. The shape of the opening 31 is formed larger than the outer shape of the insertion port 1a.

  Further, as shown in FIG. 6, the cover storage portion 32 is a recess formed around the opening portion 31 so that the cover main body 21 can be stored, and the male connector 2 from the insertion port 1 a of the female connector 1. 7 is stored, the cover main body 21 is accommodated as shown in FIG. In addition, the depth D (see FIG. 6) of the concave portion of the cover housing portion 32 is formed to be the same as the thickness T (see FIG. 3) of the cover body 21. Therefore, when the cover main body 21 is stored in the cover storage portion 32 as shown in FIG. 7, the cover surface 21a and the plate portion surface 30a are flush with each other.

  Further, as shown in FIG. 6, the through hole 33 is a circular hole that is disposed in the cover housing portion 32 (in the vicinity of the opening 31) and penetrates the plate portion 30.

  As described above, the columnar portion 23 is inserted into the through hole 33. And the internal diameter (phi) d (refer FIG. 6) of the through-hole 33 is formed larger than the outer diameter (phi) c (refer FIG. 4) of the long axis pillar 23a. Therefore, the long-axis column 23 a can insert and remove the through-hole 33, and the cover main body 21 integrally formed with the long-axis column 23 a moves freely with respect to the plate portion 30.

  Further, as described above, the outer diameter φe (see FIG. 4) of the stopper 23b formed at the tip of the long axis column 23a is larger than the inner diameter φd (see FIG. 6) of the through-hole 33. The stopper 23 b protruding from 33 does not come out of the through hole 33. Therefore, as shown in FIG. 5, when the long-axis column 23 a is pulled out from the through hole 33, the stopper 23 b not shown in the figure comes into contact with the plate portion 30 and the columnar portion 23 is locked at a predetermined position.

  The insertion groove 34 is a groove for inserting and storing the grip portion 22 when the male connector 2 is removed from the insertion port 1a of the female connector 1. As shown in FIG. Arranged in the vicinity of the opening 31. The shape of the insertion groove 34 is slightly larger than the outer shape of the cord housing portion 22b shown in FIG. Further, the depth of the insertion groove 34 is set to the maximum height H of the grip portion 22 from the cover body 21 so that the tip of the grip portion 22 does not contact the insertion groove 34 when the grip portion 22 is stored. It is necessary to be deeper (see FIG. 4). In this embodiment, since the thickness of the plate portion 30 is thinner than the maximum height H, the insertion groove 34 penetrates the plate portion 30.

  As described above, when the insertion groove 34 is formed in the plate portion 30, the grip portion 22 can be inserted and stored in the insertion groove 34, and the male connector 2 is removed from the insertion port 1 a of the female connector 1. As shown in FIG. 7, the insertion port 1 a is blocked by the cover body 21.

  Next, the operation | movement which prevents that the male connector 2 remove | deviates from the female connector 1 using the connector removal prevention apparatus 10 which concerns on this Embodiment is demonstrated below using drawing.

  First, the connector detachment preventing device 10 according to the present embodiment is provided in a housing (not shown) having a female connector 1 as shown in FIG.

  Then, as shown in FIG. 5, the long-axis column 23a is pulled out from the through hole 33, and a stopper 23b (not shown) formed at the tip of the long-axis column 23a is brought into contact with the plate portion 30 so as to be integrated with the stopper 23b. The long-axis column 23a formed in the shape is locked at a predetermined position. Since the long shaft pillar 23a is formed integrally with the cover main body 21, the cover main body 21 is locked at a portion connected to the long shaft pillar 23a.

  Then, as shown in FIG. 2, the male connector 2 is inserted into the female connector 1 through the opening 31 of the plate portion 30, and the cord 3 extending from the male connector 2 is turned up. It inserts into the insertion port 22c formed in the cord accommodating part 22b, accommodates it in the hollow part 22d, and makes the end surface of the holding part 22 contact the end surface of the male connector 2.

  The female connector 1 and the male connector 2 do not have a mechanism for hooking each other, and can be easily inserted and removed. When the cord 3 is pulled, the male connector 2 is detached from the female connector 1.

  However, as described above, when the stopper 23b comes into contact with the plate portion 30, the long shaft column 23a is locked, and the end surface of the grip portion 22 provided in the cover main body 21 formed integrally with the locking long shaft column 23a. Since the end surface of the male connector 2 is pressed by this, even if the cord 3 is pulled, the male connector 2 can be prevented from being detached from the female connector 1.

  Next, when the male connector 2 is removed from the insertion port 1a of the female connector 1, the operation of closing the insertion port 1a of the female connector 1 using the connector detachment preventing device 10 according to the present embodiment will be described. Will be described.

  The state in which the male connector 2 is inserted into the female connector 1 (see FIG. 2) is changed to the state in which the male connector 2 is removed from the female connector 1 (see FIG. 5). Then, as shown in FIG. 1, the long axis column 23a is immersed in the through-hole 33, and a portion connected to the through-hole 33 of the cover main body 21 is inserted into the cover housing portion 32. As shown in FIG. The raised cover body 21 is tilted, the gripping part 22 is inserted into the insertion groove 34, and the entire cover body 21 is stored in the cover storage part 32. As a result, the insertion port 1 a is blocked by the cover body 21. Therefore, it is possible to prevent dust and the like from entering the insertion port 1a.

  Further, as described above, the depth D (see FIG. 6) of the concave portion of the cover housing portion 32 and the thickness T (see FIG. 3) of the cover main body 21 are formed to be the same. Therefore, as shown in FIG. 7, the cover surface 21a and the plate portion surface 30a are flush with each other. Therefore, the insertion port 1a can be closed without impairing the appearance.

  Although the embodiment according to the present invention has been specifically described above, the connector detachment preventing device 10 according to the present invention has the following plate portion 30 and elastic insertion port cover 20 as shown below. Good.

  Specifically, the plate portion 30 only needs to include the opening 31 and the through hole 33 in the vicinity of the opening 31. The insertion port cover 20 has a columnar part 23 having a stopper 23b at the end and a gripping part 22 for gripping the cord 3 extending from the male connector 2 on one surface of the insertion cover 20. It only has to have.

  Further, the plate portion 30 and the insertion port cover 20 are assembled by the columnar portion 23 passing through the through hole 33, and the insertion port cover 20 is formed by inserting and removing the columnar portion 23 from the through hole 33. The plate part 30 can be moved freely in perspective. Further, when separated from the plate portion 30, the stopper 23 b protruding from the through hole 33 contacts the plate portion 30, so that separation from the plate portion 30 is prevented.

  When the male connector 2 is inserted through the opening 31 into the insertion port 1a of the female connector 1 provided in the housing (not shown), the plate portion 30 and the stopper 23b come into contact with each other. The insertion port cover 20 is locked at a predetermined position, the grip portion 22 grips the cord 3, and the end surface of the grip portion 22 and the end surface of the male connector 2 come into contact with each other so that the end surface of the grip portion 22 is a male connector. Hold the end face of 2. Therefore, it is possible to prevent the male connector 2 from being easily detached from the insertion port 1a of the female connector 1.

  The embodiment according to the present invention has been described above, but the specific configuration is not limited to this embodiment, and includes design changes and the like within a scope not departing from the gist of the present invention.

  In the above-described embodiment, an example in which the shape of the long-axis column 23a is a cylinder is shown, but the shape of the long-axis column 23a may be formed by other shapes such as a rectangular column or a band. In this case, the through-hole 33 is preferably formed in a hole having a shape similar to that of the long-axis column 23a and larger than the cross-sectional area of the long-axis column 23a. The stopper 23b may have any shape as long as it can be pushed into the through hole 33 and does not come out of the through hole 33 after protruding from the through hole 33.

  Moreover, although the example in which the direction of the insertion port 22c of the cord housing portion 22b is formed in the opposite direction of the protruding portion 22a has been shown, any orientation may be used as long as the cord 3 can be gripped.

  Moreover, in the said embodiment, although the cross-sectional shape of the cord 3 accommodated in the cord accommodating part 22b showed the round shape, this is an example. The cross-sectional shape of the cord 3 may be, for example, a flat shape such as a power cord or other shapes. In this case, the shape of the hollow portion 22d of the cord housing portion 22b in which the cord 3 is inserted and housed is preferably the same shape as the cross-sectional shape of the cord 3. Even in this case, the width W of the insertion port 22c is preferably narrower than the minimum thickness of the cord 3 as in the above embodiment.

  Further, in the above-described embodiment, the case where the connector detachment prevention device 10 is used for a connector (such as a plug, a USB connector, an IEEE 1394 connector, an HDMI (registered trademark) connector, a phone connector, etc.) that does not have a latching mechanism will be described. However, the present invention is not limited to this, and a connector having a latching mechanism, for example, a LAN terminal (RJ-45) or RS-232C (D-Sub 25 pin, 9 pin) may be used.

  In the above-described embodiment, the example in which the female connector 1 is provided in the housing instead of the connector detachment preventing device 10 is shown. However, the female connector 1 may be provided on the plate portion 30 of the connector detachment preventing device 10. Good.

  Moreover, although the board part 30 showed the example which is a different body from a housing | casing in the said embodiment, the board part 30 may be integrally formed with the housing | casing.

  A part or all of the above embodiments can be described as in the following supplementary notes, but is not limited thereto.

(Appendix 1)
A plate portion comprising an opening and a through hole different from the opening in the vicinity of the opening;
An insertion port cover having elasticity;
A connector detachment prevention device comprising:
The insertion port cover includes, on one surface of the insertion port cover, a columnar part having a stopper at an end, and a gripping part for gripping a cord extending from the connector,
The plate part and the insertion port cover are assembled by passing the columnar part through the through hole,
The insertion port cover can be moved freely with respect to the plate portion by inserting and removing the columnar portion from the through hole, and the stopper that protrudes from the through hole when separated from the plate portion. Is separated from the plate portion by contacting the plate portion,
When the connector is inserted into the insertion port from the opening,
The stopper is in contact with the plate portion;
The grip portion grips the cord, and an end surface of the grip portion abuts on an end surface of the connector.
An apparatus for preventing connector detachment.

(Appendix 2)
The plate portion further includes an insertion groove different from the through hole in the vicinity of the opening,
When the connector is removed from the insertion port,
The columnar part is moved in a direction to be immersed in the through hole, and the opening is covered with the insertion port cover by inserting the gripping part into the insertion groove.
The connector detachment prevention device according to Supplementary Note 1, wherein:

(Appendix 3)
The plate portion includes a recess around the opening that can store the insertion port cover.
When the opening is covered with the outlet cover,
The insertion port cover is housed in the recess,
The outer surface of the insertion port cover and the outer surface of the plate portion are flush with each other.
The connector detachment prevention device according to Supplementary Note 2, wherein:

(Appendix 4)
The grip portion has a width of a portion into which the cord is inserted narrower than a width in any direction of the cord, and a hollow shape of a portion accommodating the cord is the same as a cross-sectional shape of the cord.
The connector detachment preventing device according to any one of appendices 1 to 3, characterized in that:

(Appendix 5)
The stopper has a wedge shape.
The connector detachment preventing device according to any one of appendices 1 to 4, characterized in that:

(Appendix 6)
The columnar part and the grip part are integrally formed with the insertion port cover,
The connector detachment preventing device according to any one of appendices 1 to 5, characterized in that:

(Appendix 7)
The connector does not include a latch mechanism;
The connector detachment preventing device according to any one of appendices 1 to 6, characterized in that:

DESCRIPTION OF SYMBOLS 10 Connector removal prevention apparatus 20 Insert port cover 21 Cover main body 21a Cover surface 22 Gripping part 22a Projection part 22b Cord accommodating part 22c Insertion part 22d Hollow part 23 Columnar part 23a Long shaft pillar 23b Stopper 30 Plate part 30a Plate part surface 31 Opening Portion 32 Cover storage portion 33 Through hole 34 Insertion groove 1 Female connector 1a Insert 2 Male connector 3 Cord

Claims (7)

A plate portion comprising an opening and a through hole different from the opening in the vicinity of the opening;
An insertion port cover having elasticity;
A connector detachment prevention device comprising:
The insertion port cover includes, on one surface of the insertion port cover, a columnar part having a stopper at an end, and a gripping part for gripping a cord extending from the connector,
The plate part and the insertion port cover are assembled by passing the columnar part through the through hole,
The insertion port cover can be moved freely with respect to the plate portion by inserting and removing the columnar portion from the through hole, and the stopper that protrudes from the through hole when separated from the plate portion. Is separated from the plate portion by contacting the plate portion,
When the connector is inserted into the insertion port from the opening,
The stopper is in contact with the plate portion;
The grip portion grips the cord, and an end surface of the grip portion abuts on an end surface of the connector.
An apparatus for preventing connector detachment. The plate portion further includes an insertion groove different from the through hole in the vicinity of the opening,
When the connector is removed from the insertion port,
The columnar part is moved in a direction to be immersed in the through hole, and the opening is covered with the insertion port cover by inserting the gripping part into the insertion groove.
The connector detachment preventing device according to claim 1. The plate portion includes a recess around the opening that can store the insertion port cover.
When the opening is covered with the outlet cover,
The insertion port cover is housed in the recess,
The outer surface of the insertion port cover and the outer surface of the plate portion are flush with each other.
The connector detachment preventing device according to claim 2. The grip portion has a width of a portion into which the cord is inserted narrower than a width in any direction of the cord, and a hollow shape of a portion accommodating the cord is the same as a cross-sectional shape of the cord.
The connector detachment preventing apparatus according to any one of claims 1 to 3. The stopper has a wedge shape.
The connector detachment preventing device according to any one of claims 1 to 4, wherein the connector detachment preventing device is provided. The columnar part and the grip part are integrally formed with the insertion port cover,
6. The connector detachment preventing device according to claim 1, wherein the connector detachment preventing device is any one of the above. The connector does not include a latch mechanism;
The connector detachment preventing device according to any one of claims 1 to 6.

Images