JP4575791B2 - Plug retaining tool and plug retaining mechanism - Google Patents

Description

The present invention relates to a plug retainer and a plug retainer mechanism, and more particularly to US
The present invention relates to a plug retainer that constitutes a B (universal serial bus) connector and the like, and a plug retainer mechanism.

FIG. 6 shows a plug retaining cover described in Patent Document 1 as an example of this type of conventional plug retaining device. The peripheral portion of the plug in a state where the plug is inserted into the device side is shown in FIG. It is a perspective view shown.

In the figure, 70 indicates a retaining cover, and the retaining cover 70 is an instrument mounting portion 71 to be attached to the instrument side, a hinge fixing side 72, a hinge movable side 73, a hinge shaft 74, a hinge spring 75, a cut and raised 76, A plug locking portion 77 is included. When the plug 79 is inserted into the device side, the hinge movable side 73 is rotated upward by utilizing the spring force of the hinge spring 75, and the plug 7
9 is inserted into the device side, the hinge movable side 73 is rotated downward, and the plug locking portion 77 is locked to the back surface of the plug 79 to prevent the plug 79 from coming off.

Further, the retaining cover 70 is configured to fix the plug locking portion 77 to the hinge movable side 73 with an adjustment screw 78, and the plug 79 has a plug portion 79a with a different hooking portion position. The position of the locking portion 77 is adjusted by an adjustment screw 78 so that it can be prevented from coming off.

FIGS. 7 and 8 are views showing a plug retainer described in the following Patent Document 2 previously filed by the present inventor as an example of this type of conventional plug retainer. 7 is a perspective view, and FIG. 8 is a partial cross-sectional side view showing a state in which the USB plug is inserted into the USB connector on the device side using a plug retainer.

In the figure, reference numeral 80 denotes a plug retainer, and the plug retainer 80 is formed of a stainless steel thin plate and has elasticity as a whole. Plug retainer 80 is in plan view T
A presser piece 83 extending from both sides of the front portion of the main body 81 via curved portions 82, 82, and each presser piece 83 is a bent portion bent inward. 83a, and a biting hole 83b is formed at the center of the bent portion 83a. Further, a hook portion 84 having a substantially rectangular shape in front view is extended from the rear end portion of the main body 81 toward the diagonally forward upper side.

According to the plug retainer 80 described above, the curved portion 82 can hold both sides of the USB plug 90 with an appropriate force, and the USB plug 90 formed by the holding piece 83 can be held by the biting hole 83b formed in the bent portion 83a. The press-in state can be made more appropriate, and the hook 84 can be hooked on the device side with an appropriate force, and the USB plug 90 can be connected to the USB 91 only by applying a small amount of force to the cable 91. The USB plug 90 can be disconnected from the USB connector 92 when a large force is applied to the cable 91 although it does not come off the connector 92.

Further, it is not necessary to adjust the length to the plug length of the USB plug 90 and the presser piece 83 is not required.
Since it is extended through the curved portion 82, it can be provided with versatility, and since it is composed of a single part, it is inexpensive, small in size, not bulky, and requires only a small mounting space. In addition, the attachment does not require screwing or the like, and the attachment and removal are easy and trouble-free.

The above-described conventional retaining cover 70 is configured so as to be compatible with a plug having a different position on the plug, but the portion where the hinge movable side 73 and the plug locking portion 77 are vertically stacked is adjusted. Since it is a method of pressing in the thickness direction with the screw 78, it is difficult to obtain a sufficient fixing force with respect to the force in the pulling direction of the plug, the tightening of the adjusting screw 78 is insufficient, or a certain large force is applied to the cable. In the case of the action, there has been a problem that the position of the plug locking portion 77 is relatively easily displaced and the plug cannot be reliably supported.

In addition, fine parts such as the adjustment screw 78 are separately required, and a tool such as a screwdriver is required for position adjustment by the adjustment screw 78, and there is a problem that position adjustment is troublesome and time-consuming.

Further, the above-described conventional plug retainer 80 is configured such that the USB plug 90 is detached from the device side when a large force is applied to the cable 91. Although there is a merit that the risk of damaging the instrument can be eliminated, the above-mentioned merit is obtained for equipment fixed to a table or device because the risk of damage due to dropping of the instrument body is low. In addition, the USB plug 9 is
Since it is only pressed in from the width direction of 0, the holding force against the force in the pulling-out direction of the plug is not sufficient, and when a certain large force acts on the cable 91, the USB plug 90
However, there was a problem that would be removed from the instrument side.
JP-A-9-147980 JP 2004-356079 A

Means for solving the problems and their effects

The present invention has been made in view of the above-described problems, and the plug retaining position can be adjusted very easily according to the length of the plug, and the plug retaining effect can be enhanced. It is another object of the present invention to provide a plug retainer and a plug retainer mechanism that can be easily attached and detached from the instrument side with one touch without the need of a tool or the like.

In order to achieve the above object, a plug retainer (1) according to the present invention includes a cylindrical main body and a cover body connected to the front opening surface side of the cylindrical main body. A support portion that supports the back surface portion of the plug and has a cord insertion portion, and extends from both sides of the support portion toward the cylindrical main body, and a plurality of locking portions are provided in the longitudinal direction on the outer surface of the support portion. A first locking piece that is locked to the instrument side that extends from each rear end of the first facing surface, and a second facing surface. A locking means for locking the locking portion of the connecting piece so as to restrict the movement of the cover body in the pulling direction, and the inner side surface of the first locking piece, It is characterized by inclining toward the rear outside .

According to the plug retainer (1), the plug is connected to the tubular body by the first locking piece extending from each rear end portion of the first opposing surface of the tubular body. Can be securely installed on the instrument side. In addition, by utilizing the bending by the cylindrical main body, it is possible to easily perform attachment and removal to the instrument side with one touch without taking time and effort (that is, without using a tool). In addition, since a plurality of engaging portions are provided in the longitudinal direction on the outer surface of the connecting piece, the cover body is adjusted to the length of the plug so that the back surface portion is supported on the cylindrical body. It can be easily mounted with a single touch, the width of the applicable plug can be widened, and it can be highly versatile. Moreover, since the locking portion of the connecting piece of the cover body and the locking means of the cylindrical main body are locked so as to restrict the movement of the cover body in the pulling direction, the cover body is It is difficult to come off from the cylindrical main body, and the effect of preventing the plug from coming off can be enhanced.

Further , according to the plug retainer ( 1 ), since the inner surface of the first locking piece is inclined rearward and outward, the tubular body can be attached to and removed from the device side. Even when the cylindrical main body is bent while sandwiching the first facing surface, the cylindrical main body can be prevented from interfering with the connector of the plug. Can be attached to and detached from the instrument more easily.

Further, the plug retainer ( 2 ) according to the present invention is the plug retainer (1) , wherein the locking means of the cylindrical main body includes an insertion portion through which the connecting piece is inserted, and the insertion portion. A second locking piece that extends in the insertion direction of the connecting piece, and that allows the insertion of the connecting piece into the insertion portion, and has a claw portion on the inside for restricting movement in the pull-out direction. It is characterized by comprising.

According to the plug retainer ( 2 ), the connecting piece is allowed to be inserted into the insertion portion by the engaging portion of the connecting piece and the claw portion of the second engaging piece, Since it is locked so that the movement in the pulling-out direction is restricted, the plug retaining position of the plug can be easily adjusted according to the length of the plug, and the plug retaining effect is high. be able to.

In the plug retainer ( 3 ) according to the present invention, in the plug retainer ( 2 ), the interval between the locking portions provided horizontally on the connecting piece is such that the play of the plug inserted into the device is It is characterized by being set to be smaller than the interval.

According to the plug retainer ( 3 ), the interval between the locking portions provided on the connecting piece is smaller than the play interval of the plug inserted into the device. Even when a force is applied, the cover body can be prevented from moving in the pulling direction beyond the play interval of the plug, and the reliability of the connection state between the plug and the connector can be improved.

Further, the plug retainer ( 4 ) according to the present invention is the plug retainer ( 2 ) or ( 3 ), wherein the distal end portion of the second locking piece is the cylindrical body of the insertion portion. It is formed so that it may become higher than the overhanging height from.

According to the plug retainer ( 4 ), it is easy to hook a fingertip or the like on the tip of the second locking piece, and the second locking piece is connected to the claw portion and the connecting piece. It is possible to have a function as an unlocking piece for releasing the locked state, and the cover body locked to the cylindrical body can be easily detached from the cylindrical body. Can do.

The plug retainer ( 5 ) according to the present invention is the plug retainer ( 2 ) to ( 4 ) according to any one of the above plugs, and is inserted into a side surface of the cylindrical body in which the insertion portion is formed. A wall portion that restricts the movement in the width direction of the connecting piece inserted from the portion is formed.

According to the plug retainer ( 5 ), since the movement in the width direction of the connecting piece inserted from the insertion portion is restricted by the wall portion, the connecting piece, the second locking piece, Can be made more stable and strong.

Further, the plug retainer ( 6 ) according to the present invention is a plug retainer (1) to ( 5 ), wherein a claw portion is formed at the tip of the first locking piece, The inside angle of the claw portion is formed as an acute angle.

According to the plug retainer ( 6 ), since the inner angle of the claw portion formed in the first locking piece is formed at an acute angle, the claw portion of the first locking piece is Even when a force in the pulling-out direction is applied when locked to the device side, the claw portion of the first locking piece can be firmly locked to the device side. The effect of making it difficult for the pawl portion of the stopper piece to come off from the instrument side can be enhanced, and the effect of reliably holding the locking state between the cylindrical main body and the instrument side can be enhanced.

The plug retainer ( 7 ) according to the present invention is characterized in that, in any of the plug retainers (1) to ( 6 ), protrusions are formed on both sides of the support portion. Yes.

According to the plug retainer ( 7 ), the cover body can be firmly held between the projections by a fingertip or the like, and the cover body can be attached to and removed from the cylindrical body more easily. be able to.

The plug retainer ( 8 ) according to the present invention is the plug retainer (1) to ( 7 ) described above, wherein the second opposing surface of the cylindrical main body has a plurality of plugs. A front opening surface of the cylindrical body, the number of the locking means corresponding to the plurality of plugs being provided on each outer surface of the second facing surface. The number of the cover bodies corresponding to the plurality of plugs is connected to the side.

According to the plug retainer ( 8 ), the second opposing surface of the cylindrical body is formed at a height at which a plurality of plugs can be stacked and inserted, and each of the second opposing surfaces Since the number of the locking means corresponding to the plurality of plugs is provided on the outer surface, the number of the cover bodies corresponding to the plurality of plugs is connected to the front opening surface side of the cylindrical body. As long as the number of the plugs is not more than one, the plug can be prevented from being detached by one cylindrical main body, and the single cylindrical main body can correspond to the connectors of plugs having different arrangement numbers. .

Further, the plug retaining mechanism (1) according to the present invention uses any one of the plug retaining devices (1) to ( 8 ) described above, and is attached to a housing of a device having a plug insertion port. An insertion portion for inserting the first locking piece of the cylindrical main body constituting the retainer is formed, and a hooking portion for locking the first locking piece is provided inside the insertion portion. The first locking piece is locked to the hook portion in a state where a predetermined portion of the rear end portion of the cylindrical main body is in contact with the housing.

According to the plug retaining mechanism (1), the first locking piece is locked to the hook portion in a state where a predetermined portion of the rear end portion of the cylindrical main body is in contact with the housing. Therefore, the cylindrical main body can be attached to the instrument side so as to be firmly and stably, and the cylindrical main body can be easily attached and detached from the instrument side with one touch without taking time and effort. be able to.

The plug retaining mechanism (2) according to the present invention is the plug retaining mechanism (1), wherein the first engaging piece is engaged with the hook portion in the first retaining piece. The arrangement position of the hooking portion is set such that a pressing force for spreading the hooking portion acts on the hooking portion from the stop piece.

According to the plug retaining mechanism (2), in the state where the first locking piece is locked to the hook, the hook is pushed from the first locking piece to the hook. Since the pressing force to be applied acts, the first locking piece can be bitten into the hook portion, and the mounting stability of the cylindrical body attached to the device can be improved, and the The locked state between the first locking piece and the hooking portion can be made stronger.

DESCRIPTION OF EMBODIMENTS Embodiments of a plug retainer and a plug retainer mechanism according to the present invention will be described below with reference to the drawings.
FIG. 1 is an exploded perspective view schematically showing a plug retainer according to an embodiment of the present invention. FIG. 2 is a diagram schematically showing a cylindrical main body constituting the plug retainer according to the embodiment, (a) is a plan view, (b) is a front view, (c) is a side view, (D) is a back view, (e) is the EE sectional view taken on the line in (c). FIG. 3 is a view schematically showing a cover body constituting the plug retainer according to the embodiment, where (a) is a plan view, (b) is a front view,
(C), (d) is a side view, (e) is a rear view, (f) is a bottom view.

In the figure, reference numeral 10 denotes a plug retainer. The plug retainer 10 includes a cylindrical main body 11 into which a USB plug (not shown) can be inserted in two upper and lower stages, and a cylindrical main body 11. It is comprised including the cover bodies 21 and 31 connected with the front opening surface side.

The cylindrical main body 11 is formed of a synthetic resin having a thickness of about 0.8 to 1.0 mm (for example, a synthetic resin such as polypropylene or nylon), and the cover bodies 21 and 31 are also formed with the cylindrical main body 11. It is made of the same synthetic resin.

The cover bodies 21 and 31 are support parts 22 and 32 that support the back part of the USB plug (that is, the USB cable side), and are directed from both side surfaces of the support parts 22 and 32 toward the cylindrical main body 11 (A in the figure).
It is composed of connecting pieces 23 and 33 extending substantially in parallel. Support parts 22, 32
Is a substantially semicircular arc cord insertion portion 24 for pulling out the USB cable.
, 34 are formed, and projecting pieces 25, 35 are formed on both side surfaces of the support portions 22, 32. Further, on the outer side surfaces of the connecting pieces 23 and 33, locking portions 26 and 3 which are laterally provided in the longitudinal direction are provided.
6 is formed.

Further, as shown in FIG. 3, the locking portion 26 is provided horizontally in the width direction perpendicular to the longitudinal direction, and the connecting piece 2
3, a locking surface 26 a that is substantially perpendicular to the outer side surface 3, and an inclined surface 26 b that gradually decreases from the tip of the locking surface 26 a toward the tip of the connecting piece 23. The short thin part 27
Thus, the interval between the locking portions 26 (that is, the length of the thin portion 27) is set to be smaller than the play interval of the USB plug inserted into the device. Further, a guide rib 28 having substantially the same height as the tip of the locking surface 26a is formed at one end of the outer surface of the connecting piece 23 where the locking portion 26 is formed. The locking portion 36 of the cover body 31 has the same structure.

The cylindrical main body 11 is extended with first locking pieces 12 and 12 that are locked to the device side from the respective rear end portions of the first opposing surface (in this case, the upper and lower surfaces). The inner side surface is inclined rearward and outward, and claw portions 13 and 13 are formed at the front end portions thereof, and the inner angle θ of the claw portions 13 and 13 is formed at an acute angle.

The first locking pieces 12 and 12 are formed so as to swing up and down in accordance with the bending of the cylindrical main body 11 made of synthetic resin. The first locking pieces 12 and 12 are locked to the device side to which the USB plug is connected with one touch. To get.

Further, the cover bodies 21 and 31 are provided on the second opposing surface (in this case, the left and right surfaces) of the cylindrical main body 11.
The locking portions 26 of the connecting pieces 23 and 33 so as to restrict the movement of the connecting pieces 23 and 33 in the pulling direction (B direction in the figure).
, 36 are formed in two upper and lower stages.

The locking means 14A, 14B are inserted through portions 15A having holes through which the connecting pieces 23, 33 are inserted,
15B and the insertion portions 15A and 15B are extended from the insertion portions 15A and 15B in the insertion direction (A direction in the figure), and the insertion of the connection pieces 23 and 33 into the insertion portions 15A and 15B (movement in the A direction) is performed. On the other hand, the claw portions 16A, 16 that restrict the movement of the connecting pieces 23, 33 in the pulling direction (B direction).
The second locking pieces 17A and 17B having B inside are configured.

Further, the distal end portions 18A and 18B of the second locking pieces 17A and 17B are inserted into the insertion portions 15A and 15B.
The second locking pieces 17A, 17B so as to be higher than the protruding height from the cylindrical body 11 of
It is inclined toward the rear outside from the middle. In addition, on the side surface of the cylindrical main body 11 where the insertion portions 15A and 15B are formed, narrow wall portions 19A and 19 are formed in parallel with the lateral width of the insertion portions 15A and 15B.
B is extended, and the movement in the width direction of the connecting pieces 23 and 33 of the cover bodies 21 and 31 inserted into the insertion portions 15A and 15B by the walls 19A and 19B is restricted.

Further, the surface (upper and lower surfaces) of the cylindrical main body 11 on which the first locking piece 12 is extended has a thickness behind the front portion (that is, the base side of the first locking piece 12). ) Is slightly thinner,
That is, the rear side of the cylindrical main body 11 is formed so as to be easily bent.

Next, a mechanism for locking the USB plug to the device side in the retaining state using the plug retaining tool 10 according to the embodiment will be described.
FIG. 4-1 is a perspective view showing a peripheral portion of the USB connector before the plug retaining device 10 according to the embodiment is locked to the device side, and FIG. 4-2 is a diagram of the plug retaining device 10 according to the embodiment. FIG. 4-3 is a perspective view showing a peripheral portion of the USB connector in a state where the cylindrical main body 11 is locked to the device side.
After the tubular body 11 of the plug retainer 10 is locked to the device side, the USB plug is connected to the USB
FIG. 4-4 is a perspective view showing the peripheral portion of the USB connector inserted into the connector, and FIG. 4-4 shows that the cylindrical body 11 of the plug retainer 10 is locked to the device side and the USB plug is inserted into the USB connector. FIG. 3 is a perspective view showing a peripheral portion of a USB connector in a state where cover bodies 21 and 31 are locked to a cylindrical main body 11. FIG. 5 is a cross-sectional view taken along line VV in FIG. 4-4.

In the figure, reference numeral 40 denotes a device to which the USB Bragg is connected.
An opening 42 for inserting a USB plug is formed at a position where the USB connector 51 stacked in two upper and lower stages is exposed. Insertion portions 43 and 43 having a cutout shape are formed in the upper and lower central portions of the opening portion 42, and the first engagement of the cylindrical main body 11 constituting the plug retaining member 10 is formed in the insertion portions 43 and 43. Stop pieces 12, 12 are inserted. In addition, hook portions 52 for locking the claw portions 13 of the first locking pieces 12 are disposed inside the respective insertion portions 43 of the opening 42.

For example, a programmable display as an HMI (Human Machine Interface) device is particularly preferably implemented as the device 40. This programmable display is an operation display including a dot display screen, an operation input switch, an interface with a PLC, and a program memory for control such as operation input on the screen. In general, programmable displays display graphics, so they can be equipped with functions such as operation panels, switches, and indicator lights, as well as various monitors for management such as device operating status and work instructions, and settings for devices. It has a function as a terminal for inputting values and is used in a wide range of applications.

First, before inserting the USB plug into the USB connector 51, the cylindrical main body 11 constituting the plug stopper 10 is attached to the instrument 40. When the cylindrical main body 11 is attached to the device 40, the rear portion of the surface (upper and lower surfaces) on which the first locking piece 12 is extended (that is, the first locking piece 1).
2), the first locking piece 12 is inserted into the insertion portion 43, and the rear end of the cylindrical main body 11 is When the pushing by the thumb and the index finger is released after being brought into contact with the opening 42, the first locking piece 12 is brought into contact with the housing 41 at a predetermined position of the rear end portion of the cylindrical main body 11. The claw portions 13 are respectively engaged with the hook portions 52 (the state shown in FIG. 4-2). This attachment can be performed very easily by one touch without using a tool such as a screwdriver.

Then, after locking the tubular body 11 of the plug retainer 10 to the device 40 (FIG. 4-2).
The USB plugs 60 </ b> A and 60 </ b> B are inserted from the front opening side of the cylindrical main body 11, and the device 4
0 is inserted into the USB connector 51 (see FIG. 4-3). Next, USB plugs 60A, 60
In the state where B is inserted, the cover bodies 21 and 31 are attached to the cylindrical main body 11 of the plug retainer 10.
Insert. That is, the front ends of the connecting pieces 23 and 33 of the cover bodies 21 and 31 are connected to the cylindrical main body 11.
Are inserted into the insertion portions 15A and 15B, respectively, and are directly supported by the support portions 22 of the cover bodies 21 and 31.
, 32 are respectively pushed in the insertion direction (A direction) of the USB plugs 60A, 60B. At this time, the second locking piece 17 is formed by the inclined surfaces of the locking portions 26 and 36 formed on the connecting pieces 23 and 33.
The inclined surfaces of the claw portions 16A and 16B of A and 17B are pressed, and the second locking pieces 17A and 17B escape outward by elastic deformation, whereby the connecting pieces 23 and 33 are inserted, and the USB plug 60
It can be pushed in with one touch until it comes into contact with each of the back surfaces of A and 60B.

In addition, when a force acts in the pulling direction (B direction) of the USB plugs 60A and 60B from the state in which the support portions 22 and 32 of the cover bodies 21 and 31 are in contact with the back surfaces of the USB plugs 60A and 60B, The claw portions 16A and 16B of the second locking pieces 17A and 17B and the connecting pieces 23 and 33
The locking portions 26 and 36 are locked in a retaining state.

In addition, the USB plugs 60A and 60B are connected to the U of the device 40 using the plug retainer 10.
In the state inserted into the SB connector 51, the cylindrical main body 1 constituting the plug retainer 10 is provided.
One first locking piece 12 is securely locked to the hook portion 52 of the device 40. That is, in the state where the first locking piece 12 is locked to the hooking portion 52, a pressing force (an arrow in FIG. 5) that pushes the hooking portion 52 from the first locking piece 12 to the hooking portion 52. The arrangement position of the hook portion 52 is set so that the force in the C direction acts), and the first locking piece 1
2 is in a state of biting into the hook portion 52.

Further, the claw portion 13 of the first locking piece 12 of the cylindrical main body 11 is formed with an acute inner angle, and the hook portion 52 of the hook portion 52 to which the claw portion 13 of the first locking piece 12 is locked is formed. Since the locking surface 52a is disposed substantially perpendicular to the plug insertion direction (see FIG. 5), the cylindrical main body 11 has a US shape.
Even when a force in the pulling direction of the B plugs 60A and 60B is applied, the locking state between the claw portion 13 and the hook portion 52 is difficult to be released.

Further, the cover body 2 that is locked to the tubular main body 11 of the plug retainer 10 in a retaining state.
1 and 31 are designed to support the back of the USB plugs 60A and 60B.
As long as no excessive force in the pulling direction acts on the plugs 60A, 60B, the cover body 21
, 31 and the cylindrical body 11 are not released, that is, the USB plug 60 is not released.
A and 60B are not disconnected from the USB connector 51, and there is almost no trouble in transferring data.

When the USB plugs 60A and 60B are removed from the USB connector 51, first, the distal end portions 18A and 18B of the second locking pieces 17A and 17B of the cylindrical main body 11 of the plug retainer 10 are lightly outward with fingers or the like. The cover bodies 21, 31 are released by releasing the locking state between the locking portions 26, 36 of the connecting pieces 23, 33 and the claw portions 16A, 16B of the second locking pieces 17A, 17B.
The USB plugs 60A and 60B can be pulled out after each is pulled out. The cylindrical main body 11 has a rear portion (upper and lower surfaces) on which the first locking pieces 12 of the cylindrical main body 11 are extended after the USB plugs 60A and 60B are pulled out from the USB connector 51 (
That is, the base portion of the first locking piece 12) can be sandwiched between the thumb and forefinger, lightly pushed in and bent inward, and the cylindrical body 11 can be removed using a tool such as a screwdriver. It can be done very easily with one touch.

According to the plug retainer 10 according to the above-described embodiment, the first locking piece 12 extending from each rear end portion of the first facing surface of the cylindrical main body 11 is used to form a cylindrical shape. The main body 11 can be firmly attached to the device 40 to which the USB plugs 60A and 60B are connected. In addition, by utilizing the bending by the cylindrical main body 11, it is possible to easily perform attachment and removal to the instrument 40 with one touch without taking time and effort. Further, the cover bodies 21 and 31 are connected to the USB plug 60.
A and 60B can be easily attached to the cylindrical main body 11 with one touch so that the back surface portion is supported in accordance with the length of 60B, the applicable plug dimensions can be widened, and the versatility is high. can do. Moreover, the locking portions 26 of the connecting pieces 23 and 33 of the cover bodies 21 and 31,
36 and the locking means 14 </ b> A and 14 </ b> B of the cylindrical main body 11 are locked so as to restrict the movement of the cover bodies 21 and 31 in the pulling direction, and the cover bodies 21 and 31 are not easily detached from the cylindrical main body 11. Because of the structure, the effect of preventing the USB plugs 60A and 60B from coming off can be enhanced.

In addition, since the inner side surface of the first locking piece 12 of the cylindrical main body 11 is inclined rearward and outward, the cylindrical main body 11 is attached when the cylindrical main body 11 is attached to or removed from the device 40. Even when the cylindrical main body 11 is bent with the first opposing surface sandwiched therebetween, the first locking piece 12 can be prevented from interfering with the USB connector 51, and the device 40 of the cylindrical main body 11 can be prevented. Can be more easily attached and removed.

Further, the locking portions 26 and 36 of the connecting pieces 23 and 33 and the claw portions 16 of the second locking pieces 17A and 17B.
A and 16B allow insertion of the connecting pieces 23 and 33 into the insertion portions 15A and 15B, but are locked so that the movement of the connecting pieces 23 and 33 in the pull-out direction is restricted.
According to the lengths of the B plugs 60A and 60B, the plug retaining position can be easily adjusted, and the retaining effect of the USB plugs 60A and 60B can be enhanced.

In addition, since the interval between the locking portions 26 and 36 horizontally provided on the connecting pieces 23 and 33 is smaller than the play interval of the USB plugs 60A and 60B inserted into the device 40, the USB plugs 60A and 60B Even when force is applied in the direction of pulling
It is possible to prevent the plug 60A, 60B from moving in the pulling direction beyond the play interval,
The reliability of the connection state between the USB plugs 60A and 60B and the USB connector 51 can be improved.

Further, the distal end portions 18A and 18B of the second locking pieces 17A and 17B are inserted into the insertion portions 15A and 15B.
Is formed so as to be higher than the protruding height from the cylindrical main body 11, so that the tip of the second locking pieces 17A, 17B can be easily hooked with the fingertips, etc. The stoppers 17A and 17B can also have a function as an unlocking piece for releasing the locking state between the claw portions 16A and 16B and the connecting pieces 23 and 33. The locked cover bodies 21 and 31 can be easily detached from the cylindrical main body 11.

Moreover, wall part 19A formed in the side surface of the cylindrical main body 11 in which insertion part 15A, 15B was formed.
, 19B restricts the movement in the width direction of the connecting pieces 23, 33 inserted from the insertion portions 15A, 15B, so that the engaging state between the connecting pieces 23, 33 and the second locking pieces 17A, 17B is further increased. It can be made stable and strong.

Further, the inner angle θ of the claw portion 13 formed on the first locking piece 12 of the cylindrical main body 11 is formed at an acute angle, and the hook on which the claw portion 13 of the first locking piece 12 is locked is formed. Locking surface 52a of portion 52
Is disposed so as to be substantially perpendicular to the insertion direction of the plug, so that when the claw portion 13 of the first locking piece 12 is locked to the hooking portion 52 of the device 40, the tubular shape USB to the main body 11
Even when a force in the pulling direction of the plugs 60A and 60B acts, the claw portion 13 of the first locking piece 12 can be firmly locked to the hooking portion 52, and the claw of the first locking piece 12 The effect of preventing the portion 13 from being easily detached from the device 40 can be enhanced, and the effect of reliably holding the locked state between the cylindrical main body 11 and the device 40 side can be enhanced.

Further, the cover bodies 21 and 31 are formed by the projecting pieces 25 and 35 formed on the cover bodies 21 and 31.
Can be firmly sandwiched between the fingertips, etc., and the cover bodies 21, 31 can be attached to the cylindrical body 11,
Removal can be performed more easily.

In addition, the second opposing surface of the cylindrical main body 11 is formed at a height that allows two plugs to be inserted one on top of the other, and each outer surface of the second opposing surface corresponds to two plugs. A number of locking means 14A,
, 14B, and the number of cover bodies 2 corresponding to two plugs on the front opening surface side of the cylindrical main body 11
1 and 31 are connected, so that if there are two or less plugs, each cylindrical body 11 can prevent each plug from being detached, and the number of arrangements differs in one cylindrical body 11. It can correspond to the connector of the plug.

In addition, the first locking piece 12 is locked to the hooking portion 52 in a state where a predetermined portion of the rear end portion of the cylindrical main body 11 is in contact with the casing 41, so that the cylindrical main body 11 is connected to the device. It can be attached to the 40 side so as to be in a stable state, and it can be easily performed with one touch without taking time and effort to attach and remove the cylindrical main body 11 to the device 40 side.

Further, when the first locking piece 12 is locked to the hooking portion 52, a pressing force acts on the hooking portion 52 from the first locking piece 12, so the first locking piece 12 is hooked to the hooking portion 52. 52 can be bitten, the mounting stability of the cylindrical main body 11 attached to the device 40 can be improved, and the locking state between the first locking piece 12 and the hooking portion 52 is more robust. Can be.

In the above embodiment, the case where the USB connector 51 has two upper and lower stages has been described as an example. However, the plug stopper 10 can be applied to one having the USB connector 51 having one stage. In this case, an insertion part for inserting one first locking piece 12 of the cylindrical main body 11 is formed in the opening (for one stage) of the USB connector formed in the casing 41 of the device 40, and the other What is necessary is just to form the insertion part (insertion hole) which inserts the 1st 1st locking piece 12 in a corresponding position. The hook 52 may be formed integrally with the housing 41. Even if the USB connector 51 is arranged in three or more stages on the upper and lower sides on the device 40 side, the cylindrical main body 11
The present invention can be applied by adjusting the height of the second facing surface and attaching the locking means corresponding to the number of stages of the connector 51 and the cover body.

It is the disassembled perspective view which showed typically the stopper of the plug which concerns on embodiment of this invention. It is the figure which showed typically the cylindrical main body which comprises the stopper of the plug which concerns on embodiment, (a) is a top view, (b) is a front view, (c) is a side view, (d) Is a rear view, and (e) is a cross-sectional view taken along line EE in (c). It is the figure which showed typically the cover body which comprises the stopper of the plug which concerns on embodiment, (a) is a top view, (b) is a front view, (c), (d) is a side view, (E) is a rear view, and (f) is a bottom view. It is a perspective view which shows the USB connector periphery part of the state before locking the retainer of the plug which concerns on embodiment to the instrument side. It is a perspective view which shows the USB connector periphery part state of the state which made the instrument side hold | maintain the plug retainer (cylindrical main body) which concerns on embodiment. FIG. 3 is a perspective view showing a peripheral portion of the USB connector in a state where the USB plug is inserted into the USB connector after the plug retainer (cylindrical main body) according to the embodiment is locked to the device side. The perspective view which shows the USB connector periphery part of the state which latched the retainer (cylindrical main body) of the plug which concerns on embodiment to the instrument side, and inserted the USB plug into the USB connector, and then latched the cover body. It is. It is the VV sectional view taken on the line in FIG. 4-4. FIG. 7 is a perspective view showing a peripheral portion of a plug in a state where the plug is inserted into the device side, showing a plug retaining cover described in Patent Document 1 as an example of a conventional plug retaining tool. It is the perspective view which showed the plug retainer of patent document 2 as another example of the conventional plug retainer. It is a fragmentary sectional side view which shows the state which inserted the USB plug in the USB connector by the side of the instrument using the plug prevention tool of patent document 2. FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Plug retaining tool 11 Cylindrical main body 12 1st locking piece 14A, 14B Locking means 21, 31 Cover body 22, 32 Support part 23, 33 Connecting piece 26, 36 Locking part

Claims (10)

Including a cylindrical main body and a cover body connected to the front opening surface side of the cylindrical main body,
The cover body supports a back portion of the plug and has a cord insertion portion, and extends from both sides of the support portion toward the cylindrical main body, and a plurality of locking portions are elongated on the outer surface. A connecting piece that is laterally arranged in the direction,
The cylindrical body has a first locking piece that is locked to the instrument side that is extended from each rear end portion of the first facing surface, and the cover body on each outer surface of the second facing surface. A locking means for locking the locking portion of the connecting piece so as to restrict the movement of the connecting piece in the pulling direction ,
The plug retainer according to claim 1, wherein an inner surface of the first locking piece is inclined rearward and outward . While the locking means of the cylindrical main body is inserted through the connecting piece, and extends from the inserting part in the insertion direction of the connecting piece, the insertion of the connecting piece into the inserting part is allowed, stop missing plug according to claim 1, characterized in that it is configured to include a second locking piece having a claw portion for restricting the movement to the drawing direction inwardly. 3. The plug retainer according to claim 2, wherein the interval between the locking portions provided laterally on the connecting piece is set to be smaller than the play interval of the plug inserted into the device. . The plug retaining member according to claim 2 or 3 , wherein a tip end portion of the second locking piece is formed to be higher than a protruding height of the insertion portion from the main body. Ingredients. A side surface of the cylindrical body in which the insertion portion is formed, claims 2 to 4, characterized in that the wall portion for restricting a width direction of the movement of the inserted the connecting piece from the insertion portion is formed The plug retainer according to any one of the above. The claw portion at the tip portion of the first engaging piece is formed, leakage of the plug according to any one of claims 1 to 5 in which the interior angle of the claw portion is characterized in that it is formed at an acute angle Stopper. The plug retainer according to any one of claims 1 to 6 , wherein protrusions are formed on both sides of the support portion. The second opposing surface of the cylindrical main body is formed at a height that allows insertion of a plurality of plugs, and a number corresponding to the plurality of plugs on each outer surface of the second opposing surface. Comprising the locking means,
The plug prevention according to any one of claims 1 to 7 , wherein a number of the cover bodies corresponding to the plurality of plugs are connected to a front opening surface side of the cylindrical main body. Ingredients. The plug retainer according to any one of claims 1 to 8 , is used.
An insertion portion for inserting the first locking piece of the cylindrical main body constituting the plug retainer is formed in the housing of the device in which the plug insertion opening is formed. A hook portion for locking the first locking piece on the inside;
A plug retaining mechanism, wherein the first locking piece is locked to the hook portion in a state where a predetermined portion of the rear end portion of the cylindrical main body is in contact with the housing. In the state where the first locking piece is locked to the hooking portion, the hooking force is applied so that a pressing force is applied to push the hooking portion from the first locking piece to the hooking portion. The plug retaining mechanism according to claim 9, wherein an arrangement position of the portion is set.

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