KR101626607B1 - Digital leased cable connector for connecting of Digital Multimedia Communications - Google Patents

Abstract

The present invention relates to a digital cable connector for digital multimedia communication connection. Especially, a connection checking unit is turned on/off by connection between terminals according to a contact level between the facing surfaces of plugs, combined from the other side in an insulating mold fixed to one side of the housing. So, the combination state can be checked with the naked eye. The plug can be combined safely and stably by using a fixing cap. The digital cable connector comprises an insertion terminal, a locking hole, and a hinge shaft.

Description

[0001] The present invention relates to a digital private cable connector for digital multimedia communication,

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a digital cable connector for connecting digital multimedia communication in a communication field, and more particularly, And more particularly to a digital cable connector for a digital multimedia communication connection in which a plug can be stably and firmly coupled using a fixed cap while allowing a connection confirmation means to be turned on so that a user can visually confirm the connection state.

Generally, there are many types of cables for digital multimedia. High definition multimedia interface (HDMI) is a high-definition multimedia interface, and is a technology capable of transmitting high-performance data such as digital audio and video uncompressed by a single line.

A connector for realizing HDMI technology, which is a connector which is conventionally fixed to an electronic device and is fixed to a rear end of the housing, and a guide panel located inside the housing at the front end of the housing is protruded, An insulative mold having a plurality of inserting openings formed in a rear side thereof, and a plurality of terminals formed by bending a contact portion for fitting and fixing to each inserting opening of the insulating mold and a solder portion for connecting to a circuit of the electronic device.

Such a connector is disclosed in Korean Patent Publication No. 10-2009-0004255 (2009.12.12, "HDMI connector having a fixing member") and a Korean Patent Registration No. 10-1292155 (Dec. 2, 2011, name: HDMI connector) has been proposed.

That is, the terminal connection structure is improved so as to prevent the pushing-out phenomenon of the penetration of the foreign material or the plug in the terminal of the connector or to increase the interval between the terminals so that the electrical interference between the terminals can be minimized.

However, when the plug is connected to the connector, the cable connected to the plug usually has a larger diameter and a larger weight than the plug, so that the connector is incompletely connected to the connector and the coupling force gradually decreases. There is a problem that the connection itself becomes unstable at all times.

Korean Patent Registration No. 10-1259922 (2013.04.25), "Digital Dedicated Cable Connector for Digital Multimedia Communication Connection" has been disclosed as a conventional technique for improving this problem.

According to the improved prior art, the lamp on the plug side is turned on only in a state where the plug is correctly coupled, so that the stable connection state can be visually confirmed at all times and the stable connection can be maintained.

In addition, a fixed cap is provided to prevent the connection state from being released even if an external force acts, thereby achieving stable connection.

However, in this structure, the fixed cap must be pivoted while being used, and when it is separated, there is an inconvenience in use because the fixing cap must be reversely rotated again to release the binding state.

Therefore, it is very effective from the standpoint of stability, but there are disadvantages in terms of convenience in use, and improvement of such problems is required.

Korean Patent Publication No. 10-2009-0004255 (Jan. 12, 2009) "HDMI connector having a fixing member" Korean Patent Registration No. 10-1092155 (December 23, 2011) "HDMI connector" Korea Patent Registration No. 10-1259922 (March 31, 2013) "Digital Dedicated Cable Connector for Digital Multimedia Communication Connection"

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems in the prior art, and it is an object of the present invention to provide a method of connecting terminals to terminals by connecting to an insulated mold fixed at one side of a housing, And the connection confirmation means is turned on so that the coupling state can be easily confirmed with the naked eye while a fixed cap is used to maintain the plug in a stable and firmly coupled state. There is a purpose.

In order to achieve the above-mentioned object, the present invention provides a device for mounting an electronic device, the device comprising: a housing formed to be fixedly coupled to an electronic device; a housing disposed at a center of a front end of the housing, An insulating mold 20 having a plurality of insertion openings 23 penetrating from the top / bottom to the rear of the guide panel 22 in a state where the guide panel 22 is protruded, And a plurality of terminals (30) formed by bending a solder portion (32) for connecting to a circuit of an electronic device and arranged at regular intervals, wherein the insulating mold (20) Of the insulating mold (20) while being embedded in the upper side and the lower side with respect to the guide panel (22) in a cross section inserted into the housing (10) of the insulating mold (20) Burnt to the side A pair of first connection terminals 50 of which is provided so as to have; Is formed on the same horizontal line facing the first connection terminal (50) on the end surface of the terminal portion (41) of the plug (40) inserted from the front end of the housing (10) and electrically connected to the first connection terminal A second connection terminal (60) embedded in a connectable manner; The second connection terminal 60 and the terminal portion 41 of the plug 40 are passed through the insulation portion 42 at the rear of the plug 40 to form the first connection terminal 50, Connection confirmation means 70 for making it possible to visually check the point / light externally in a direction corresponding to the second connection terminal 60 when the second connection terminals 60 are electrically connected; The power supplied from the electronic apparatus is connected to the first connection terminal 50 on the side of the insulating mold 20 through the insulating mold 20 through the power supply line 81 (80), wherein the lead terminal

At least one auto-locker (100) bolted to an upper surface of an insulation portion (42) of the plug (40) and a locking portion formed on the housing (10) at a position corresponding to the auto- Further comprising a hole (300)

The auto-locker 100 includes a locker body 120, a locking bracket 130 extending horizontally from one side of the locker body 120, two bolt holes 140 formed in the locking bracket 130, A locking bolt 110 bolted to the upper surface of the insulation part 42 after being inserted into the hole 140 and an operation groove formed at the opposite end of the locking bracket 130 of the locker body 120, And a hinge shaft (210) for fixing the flow catcher (200) on the operating groove (150) to be rotated, wherein the flow catcher (200) is rotatably assembled to the operating groove (150)

The flow stopper 200 has a substantially ㅑ shape and includes a relatively large area shrinking portion 220 in which the hinge shaft 210 is inserted and an upward protruding portion 230 extending upward from the shrinking portion 220 A resiliently deformable portion 240 extending upward from the one side of the upward protruding portion 230 and having a predetermined curvature and engaged with a ceiling surface of the actuating recess 150; A grip portion 250 extending in parallel with the first grip portion 240 and spaced apart from the grip portion 250 and exposed to the outside of the operation groove 150 and a grip portion 250 extending downward in the gravity direction from the grip portion 220, And a cable connector 260 for connecting the cable connector to the digital multimedia communication connector.

According to the present invention, the connection confirmation means is turned on by connection between the terminals according to the degree of close contact between the opposing faces of the plugs coupled from the other side to the insulating mold fixed at one side of the housing, An effect that the plug is stably and firmly held in the engaged state can be obtained by using the fixed cap.

1 is an exploded perspective view of a digital private cable connector for digital multimedia communication connection according to the present invention,
FIG. 2 is a perspective view of a digital private cable connector for digital multimedia communication connection according to the present invention, in which an insulating mold and a terminal are coupled to a housing,
Fig. 3 is a sectional view of Fig. 2,
4 is a cross-sectional view illustrating an insulating mold of a connector according to the present invention,
5 is a cross-sectional view illustrating a plug of a connector according to the present invention,
FIG. 6 is an enlarged perspective view showing a configuration in which a fixed cap of a digital-dedicated cable connector for digital multimedia communication connection according to the present invention is coupled to a plug; FIG.
7 is an exemplary view showing another example of the plug coupling structure according to the present invention.
8 is a sectional view of the main part of Fig. 7;

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Before describing the present invention, the following specific structural or functional descriptions are merely illustrative for the purpose of describing an embodiment according to the concept of the present invention, and embodiments according to the concept of the present invention may be embodied in various forms, And should not be construed as limited to the embodiments described herein.

In addition, since the embodiments according to the concept of the present invention can make various changes and have various forms, specific embodiments are illustrated in the drawings and described in detail herein. However, it should be understood that the embodiments according to the concept of the present invention are not intended to limit the present invention to specific modes of operation, but include all modifications, equivalents and alternatives falling within the spirit and scope of the present invention.

The present invention includes the configuration of the above-mentioned Japanese Patent No. 1259922, and has a main configuration feature of a modified example having an automatic binding structure instead of the fixed cap 90 (see Fig. 1). Therefore, the configurations of Figs. 1 to 7 described below cite the content of the above-mentioned registered patent as it is.

1 to 3, the present invention includes a housing 10, an insulating mold 20, a terminal 30 and a plug 40, and the housing 10 fixed to the electronic device An insulating mold 20 is inserted and coupled to the insulating mold 20 such that a plurality of terminals 30 penetrate through the insulating mold 20 with a predetermined gap and are protruded back and forth by a predetermined length.

The basic feature of the present invention is that the plug 40, the first connection terminal 50, the second connection terminal 60, the connection confirmation member 70, the lead-in terminal 80, and the fixed cap 90 ).

More specifically, the housing 10 is formed with a coupling piece 11 having a perforated bolt hole so that the tip of the housing 10 can be coupled to the case 100 of the electronic device, A coupling hole 12 is formed.

At this time, the plug 40 to be inserted and coupled to the upper surface and the lower surface of the inner circumferential surface in which the upper surface and the lower surface of the plug 40 on the side of the coupling hole 12 of the housing 10 are in surface- 13).

It is most preferable that such a housing 10 is formed as a relatively hard material such as a metal.

In the present invention, the insulating mold 20 is inserted and fixed to the rear end of the housing 10, and is formed as an insulator such as a synthetic resin material.

4 is a cross-sectional view illustrating an insulating mold of a connector according to the present invention.

As shown in the drawing, the insulating mold 20 according to the present invention is formed such that the guide panel 22 is formed so as to protrude forward from the middle end of the insertion end portion 21 inserted into the housing 10 And a plurality of insertion ports 23 are formed so as to pass through the insulating mold 20 at the rear together with the upper and lower surfaces of the guide panel 21.

The insertion port 23 is formed at a predetermined interval in the shape of a groove on the upper and lower sides of the guide panel 22 and the insertion opening 23 formed in the guide panel 22 is hollow, As shown in FIG.

The terminal 30 of the present invention is inserted into a cavity formed in the upper / lower surface of the guide panel 22 of the insulating mold 20 so as to extend through the insertion mold 20 23, and is formed so as to extend through the insertion port 23 and extend a certain length rearward.

A portion of the terminal 30 provided in the guide panel 22 constitutes a contact portion 31 and a portion protruding rearward of the insulating mold 20 constitutes a solder portion 32.

The contact portion 31 of the terminal 30 is tightly fixed to the insulating mold 20 in such a shape as to be exposed at regular intervals on the upper / lower surface of the guide panel 22.

Since the terminal 30 is connected to the insulating mold 20 so that the electricity between the plug 40 and the electronic device is energized, it is preferable to use a metal material having a good conductivity. It is possible to apply a configuration in which the contact portion 31 and the solder portion 32 are bent or twisted at a predetermined angle in order to prevent the same flow and a separate fixing member 33 So that the terminal 30 can be firmly fixed.

The plug 40 of the present invention is constructed such that one end of the terminal portion 41 is engaged with the coupling hole 12 of the housing 10 and the external portion of the coupling hole 12 is surrounded by the case 42 of the electronic device 100, and the cable 43 is integrally coupled to the other end of the insulating portion 42. The cable 43,

The configuration described above is most prominent in that a configuration for stably maintaining the connection state of the plug 40 is provided.

The first connection terminal 50 has a configuration in which the guide panel 22 of the insulating mold 20 is formed so as to be embedded in the upper and lower end faces with reference to the guide panel 22, The connecting terminal 50 is formed such that a part of the plate surface curvedly protrudes from the end surface of the insulating mold 20 and the protruding plate surface is formed to have flexural deformation elasticity toward the insulating mold 20 side.

The second connection terminal 60 is provided so as to correspond to the first connection terminal 50 provided at the upper and lower sides of the plate surface of the insulating mold 20 in this way.

The second connection terminal 60 is formed on the end surface of the terminal portion 41 of the plug 40 which is in surface-contact with the end surface of the insulating mold 20 provided with the first connection terminal 50.

The second connection terminal 60 is formed so as to be flush with the end surface of the terminal portion 41 with respect to the configuration in which the first connection terminal 50 protrudes finely, It can be formed into a shape which is recessed by being projected to be engaged.

The second connection terminal 60 of the terminal portion 41 of the plug 40 to be fitted to the housing 10 is formed on the same horizontal line as the first connection terminal 50 so that the plug 40 is correctly aligned The second connection terminal 60 is in a state of being electrically connected to the first connection terminal 50. [

The insulation part 42 of the plug 40 is provided with connection confirmation means 70 for confirming whether the connection between the first connection terminal 50 and the second connection terminal 60 is properly performed or not And the connection confirming means 70 is electrically connected to the second connection terminal 60. In this case,

The connection checking means 70 uses an ultra-small lamp, and it is most preferable to use an LED.

The connection confirmation means 70 is partially exposed to the upper portion of the insulation portion 42 of the plug 40 so that it can be visually confirmed whether or not the connection is visible.

The connection confirmation means 70 is not turned on when any connection between the first connection terminal 50 and the second connection terminal 60 is not established.

The insulative mold 20 provided with the first connection terminal 50 is provided with a lead-in terminal 80 through which power is supplied from an electronic device.

The lead-in terminal 80 is simply attached to the upper surface or the side surface of the insulating mold 20 so that power can be easily applied from the inside of the electronic device.

In the lead-in terminal 80, a power supply line 81 is inserted through the insulating mold 20 and connected to the first connection terminal 50.

The lead terminals 80 are provided in the insulating mold 20 so that the terminals 30 pass through in the horizontal direction so that the side surfaces on which the interference with the terminals 30 are prevented or the upper or lower surfaces are designated as lead ends So that it is firmly fixed to the introduction end.

On the other hand, the plug (40) coupled to the housing (10) is prevented from being separated by the fixed cap (90).

One end of the fixed cap 90 is hingedly supported on the case 100 of the electronic device at the front end side of the housing 10 and the other end is connected to the end of the end of the cable 40, So that the end of the plug 40 is elastically wrapped and fixed.

In other words, the fixed cap 90 is formed of a flat plate having a size that covers the lower portion of the plug 40 from one end hinged to the case 100 of the electronic apparatus, and the other end is formed of a plug 40 coupled to the housing 10, The end of the connecting portion side of the cable 43 is curved at a constant diameter so as to cover a part of the upper surface of the plug 40 from the bottom so as to be fit to the plug 40 with a certain elastic force.

The digital private cable connector for digital multimedia communication connection according to the present invention according to the present invention has a state in which the connection checking means 70 provided on the plug 40 is turned on when the plug 40 is coupled to the housing 10 The secure engagement can be maintained by engaging the fixed cap 90 to the rear end of the plug 40. [

As described above, when the plug 40 is inserted into the coupling hole 12 of the housing 10, the plug 40 is fitted with a predetermined elastic force by the elastic projections 13 of the housing 10 .

The end face of the plug 40 inserted into the housing 10 on the side of the insertion end 21 of the insulating mold 20 where the end face of the terminal portion 41 is already inserted and fixed to the rear end side of the housing 10 The first connection terminal 50 provided on the upper side and the lower side with respect to the guide panel 22 on the end face side of the insulating mold 20 are provided with the second connection provided on the end face of the terminal portion 41 of the plug 40 The terminals 60 are brought into close contact with each other.

When the first connection terminal 50 and the second connection terminal 60 are connected to each other while the plug 40 is correctly connected to the housing 10, the power supplied through the input terminal 80 is connected to the first connection terminal The connection confirmation means 70 formed on the insulation portion 42 of the plug 40 connected to the second connection terminal 60 while the closed circuit is formed through the first connection terminal 50 and the second connection terminal 60 is turned on.

At this time, one end of the plug (40) is connected to the case (100) of the electronic device at the front end side of the housing (10), and the other end of the hinge shaft The other end of the fixed cap 90 is rotated upward from the lower portion of the plug 40 so as to be coupled to the rear end of the insulation portion 42 of the plug 40.

FIG. 6 is an enlarged perspective view illustrating a configuration in which a fixed cap of a digital private cable connector for digital multimedia communication connection according to the present invention is coupled to a plug.

The engagement end of the fixed cap 90 coupled to the rear end of the plug 40 is formed such that the diameter of the curved portion is smaller than the height of the insulation portion 42 of the plug 40, The end portion of the fixed cap 90 is elastically engaged with the outer portion 42 by the force applied to the insulating portion 42. [

When the fixed cap 90 is coupled to the plug 40, the state of the plug 40 coupled to the housing 10 is stably maintained. Even if the cable 40 is touched by someone, So that stable connection can be maintained.

As described above, according to the present invention, it is possible to continuously check the lighting state through the connection checking means 70 provided in the plug 40 as long as the state in which the plug 40 is held is confirmed, so that it is confirmed that the stable connection state is maintained There is a number.

If the connection state of the fixed cap 90 is released when a severe impact is applied to the cable 43 by someone, the coupled state of the plug 40 becomes unstable, so that the first connection terminal 50 The connection between the second connection terminals 60 can be short-circuited.

When the first connection terminal 50 and the second connection terminal 60 are short-circuited, even if the connection state between the terminal 30 provided in the insulating mold 20 and the terminal portion 41 of the plug 40 is maintained, Since it may be short-circuited, if information and signals that are particularly important are not transmitted during the transmission of important information or signals, serious consequences may result. Immediately after confirming the light-off state of the connection checking means 70, And the fixed cap 90 is coupled to the plug 40 so that stable information or signal transmission can be performed.

In addition, another embodiment according to the present invention is improved due to the limitation that the fixed cap 90 must be manually operated, especially the inconvenience of carrying out locking and unlocking operations every time it is tightened and loosened.

According to another embodiment of the present invention, an auto-locker 100 is provided instead of the fixed cap 90, as shown in FIG.

The auto-locker 100 is fixed to the upper surface of the insulation portion 42 of the plug 40 by a bolt fastening bolt 110 (see FIG. 8).

At this time, although one auto-locker 100 may be provided, a pair of the auto-lockers 100 are provided on both sides of the upper surface of the insulating portion 42 with a gap therebetween.

More specifically, as shown in FIG. 8, the auto-locker 100 includes a locker body 120.

A plurality of, preferably two, bolt holes (140) are formed in the fixing bracket (130) so that the fixing bracket (130) The bolt 110 is inserted into the bolt hole 140 and then bolted to the upper surface of the insulating portion 42 to be firmly fixed.

The locking bracket 130 of the locker body 120 is opened at the opposite end of the locking bracket 130 in the longitudinal direction, that is, opposite to the fixing bracket 130 and downward, and blocked in the width direction and the direction toward the fixing bracket 130 The operating grooves 150 are recessed.

In addition, a flow catcher 200 is installed in the operating groove 150, and the flow catcher 200 is hinged to be rotatable through the hinge shaft 210.

In this case, the hinge shaft 210 is inserted through the locker body 120 in the width direction.

In addition, the flow catcher 200 has a substantially ㅑ shape, and includes a relatively large area shrinking portion 220 in which the hinge shaft 210 is inserted and a relatively large shrinking portion 220 extending upward from the shrinking portion 220 A resiliently deformable portion 240 extending upward from the one side of the upward protruding portion 230 and having a predetermined curvature and being engaged with the ceiling surface of the operating groove 150; A grip portion 250 extending in parallel with the elastic deforming portion 240 in parallel and exposed to the outside of the operation groove 150 and a grip portion 250 extending downward in the gravity direction from the shrink grip portion 220, And an impulse chain 260 that forms an obtuse angle.

At this time, the upper surface of the upward protruding portion 230 should be configured to form a horizontal surface 232. This is to ensure a clearance in a certain width when performing a kind of stopping function.

At the same time, a ∧-shaped flow space 234 is formed on the top surface of the operating groove 150, which is vertically above the upright projection 230.

The flow space 234 guides the choke member 260 to rotate smoothly and is guided to stop within a certain radius. In order to limit the flow width most effectively, Should be.

Then, the horizontal piece 232 is raised by the rotation and contacts the flow space 234, and at the same time, it can stop and limit the rotation radius of the chain portion 260.

It is further preferable that a cylindrical buried portion 242 is formed at the end of the elastic deformation portion 240 and the buried portion 242 is partially buried in the ceiling face.

This is to maximize the elastic deformation force by causing the elastic deformation portion 240 to stop at a specific point.

If the buried portion 242 is not provided, an effective elastic deformation force can not be obtained since the end portion of the elastic deformation portion 240 slips on the top face.

That is, the resiliently deformable part 240 is not provided with a separate spring for simplifying the structure, but is provided to realize the elastic deformation force of the spring as it is.

In addition, while the gripping unit 250 is used for unlocking, locking is automatically performed, but unlocking is completed by the user slightly lifting the gripping unit 250 with a finger or the like.

Therefore, it is particularly preferable to form the protrusions 252 on the surface of the gripper 250 in order to prevent slippage.

In addition, when the plug (40) is inserted into the housing (10), since the upper end of the housing (10) is in contact with the upper end of the housing (10), the lower end corner is rounded to prevent breakage by interference, It is more preferable to be configured to be pushed out.

In addition, at least one locking hole 300 is formed at the top end of the housing 10 so as to correspond to the auto-locker 100.

The connection and fixing structure according to another embodiment of the present invention having such a configuration contacts the distal end of the housing 10 when the plug 40 is inserted into the housing 10.

In this state, when the plug 40 is further inserted into the housing 10, the clamping unit 260 is rotated clockwise about the hinge shaft 210 by the pushing force of the tip of the housing 10, The state is released and simultaneously the locking hole 300 enters.

At this time, the upward projecting portion 230 contacts the one side of the flow space 234 while the horizontal plane 232 rotates upward, so that the chain portion 260 can not be rotated any more and is stopped.

Of course, at this time, the chain portion 260 has already entered the locking hole 300.

When the locking part 260 enters the locking hole 300, the horizontal surface 232 of the upward protruding part 230 returns to its original position by the elastic repulsive force generated when the horizontal surface 232 contacts the one side of the fluid space 234, .

Thereafter, the user lifts the grip 250 slightly.

Then, the elastic deformable portion 240 is deformed, and the chain portion 260 is rotated in the counterclockwise direction and is released from the locking hole 300.

At this time, when the plug 40 is removed, the plug 40 can be easily separated from the housing 10.

As described above, according to the present invention, since the automatic locking device 100 is used in place of the fixed cap 90, the locking device is automatically locked when the locking device is locked, thereby enhancing convenience. When the locking device 250 is detached, Therefore, it is possible to obtain an effect that the stability of the fixing is maintained equal to or more than that of the fixing cap 90, but the convenience of locking is remarkably improved.

10: housing 11:
12: coupling hole 13: elastic projection
20: Insulating mold 21: Insertion end
22: guide panel 23:
30: Terminal 31: Contact
32: solder part 40: plug
41: terminal portion 42:
43: cable 50: first connection terminal
60: second connection terminal 70: connection confirmation means

Claims (1)

A guide panel 22 is provided at the front end of the housing 10 so that the guide panel 22 is protruded from the guide panel 22, An insulating mold 20 in which a plurality of insertion holes 23 are respectively passed through from the upper surface and the lower surface of the insulating mold 20 to the rear side and the contact portions 31 for fixing the insulating mold 20 to the respective insertion holes 23, And a plurality of terminals (30) formed by bending a solder portion (32) for connection to a circuit of the apparatus and arranged at regular intervals, wherein the insulating mold (20) And a pair of first connection terminals (20) provided on the upper and lower sides of the panel (22) so as to have elasticity to the end surface of the insulating mold (20) while partially projecting the plate surface from the end surface of the insulating mold (50); Is formed on the same horizontal line facing the first connection terminal (50) on the end surface of the terminal portion (41) of the plug (40) inserted from the front end of the housing (10) and electrically connected to the first connection terminal A pair of second connection terminals (60) embedded in a connectable manner; The second connection terminal 60 and the terminal portion 41 of the plug 40 are passed through the insulation portion 42 at the rear of the plug 40 to form the first connection terminal 50, A connection confirmation means (70) for allowing the second connection terminal (60) to be lighted or turned off visually from outside in a direction corresponding to the second connection terminal (60) when the connection terminal (60) is electrically connected; The power supplied from the electronic apparatus is connected to the first connection terminal 50 on the side of the insulating mold 20 through the insulating mold 20 through the power supply line 81 (80), wherein the lead terminal
At least one auto-locker (100) bolted to an upper surface of an insulation portion (42) of the plug (40) and a locking portion formed on the housing (10) at a position corresponding to the auto- Further comprising a hole (300)
The auto-locker 100 includes a locker body 120, a locking bracket 130 extending horizontally from one side of the locker body 120, two bolt holes 140 formed in the locking bracket 130, A locking bolt 110 bolted to the upper surface of the insulation part 42 after being inserted into the hole 140 and an operation groove formed at the opposite end of the locking bracket 130 of the locker body 120, And a hinge shaft (210) for fixing the flow catcher (200) on the operating groove (150) to be rotated, wherein the flow catcher (200) is rotatably assembled to the operating groove (150)
The flow catcher 200 has an elliptical shape and includes a shrinking portion 220 into which the hinge shaft 210 is inserted, an upward protruding portion 230 extending upward from the shrinking portion 220, An elastic deforming portion 240 having a predetermined curvature extending from one side of the protruding portion 230 and extending upward to be engaged with a ceiling surface of the actuating groove 150; A grasping portion 250 extending in parallel with the grasping portion 250 and exposed to the outside of the operating groove 150 and a grasping portion 250 extending downward in the gravity direction from the grasping portion 220 and forming an obtuse angle with the grasping portion 250 260) for connecting to the digital multimedia cable.

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