KR20030087167A - Double locking construction for terminal of connector - Google Patents

Abstract

PURPOSE: A structure for double-locking terminals of a connector is provided to automatically realize double fixing of each terminal by one touch by interworking the double locking units. CONSTITUTION: A front-and-back double locking unit is mounted inside a cap(C) and includes a first terminal fixing element(31) which is double-fixing a first terminal while reciprocating backward and forward. An up-and-down double locking unit is mounted inside a plug(P) and includes a second terminal fixing element(72) which is double-fixing a second terminal while reciprocating upward and downward. A step part(311) contacts with an end of the second terminal fixing element when the cap and the plug are combined.

Description

Double locking construction for terminal of connector

The present invention relates to a connector composed of a cap (cap) and a plug (flug) that is fixed to the first terminal and coupled to and separated from each other, and more particularly provided in the process of mutually coupling the cap and plug The double locking unit is configured to interlock with each other, and relates to a terminal double locking structure of a connector to automatically perform double fixing of each terminal in a one-touch manner.

In general, a connector is provided in various devices that use electricity, and refers to an electronic component that transmits various signals by electrically connecting each device constituting the device, and the present invention relates to a connector consisting of a cap and a plug coupled to each other. It is about.

At this time, the female and the male terminal corresponding to each other is fixed to the inside of the cap and plug, the male terminal is typically provided with two or three in the cap, the female terminal is provided correspondingly to the plug. .

The connector having the above structure is repeatedly separated and coupled to the cap and plug in the process of use, and this often causes the terminals to leave their positions, causing problems such as poor connection. For this purpose, a product equipped with a double locking means for fixing the first fixed terminal once again has been widely used.

However, the conventional connector provided with the double locking means had to perform a separate operation of fixing the terminal by using the double locking means provided in each of the prior to the coupling of the cap and the plug, the problem of cumbersome work process If the operator forgets this and combines the cap and the plug, there is a problem in that the internal parts are damaged and the connector cannot be used, or a connection failure of the terminal occurs and the function is lost.

Accordingly, the present invention has been made in order to solve the conventional problems as described above, the object is to configure the double-locking parts provided with each other in the process of coupling the cap and plug to each other, each terminal in a one-touch method It provides a terminal double locking structure of a connector to automatically make a double lock of.

Another object of the present invention is to provide a locking mechanism locking portion for first fixing the first terminal fixture to the first terminal fixing part, so that the first terminal fixture can be easily prevented from being separated from the first terminal fixing part. Provided is a terminal double locking structure.

Still another object of the present invention includes a cap having a second fixing piece for fixing the first terminal fixing part to the first terminal fixing part secondly when the first terminal fixing part moves to fix the first terminal in double. It provides a terminal double locking structure of a connector to maintain the double fixed state even if the plug is removed.

Another object of the present invention is to form a locking jaw and a support jaw to temporarily fix the position of the second terminal fixture when the second terminal fixture moves up and down to fix the second terminal in a double, cap and plug It is to provide a terminal double locking structure of the connector to maintain the double fixed state even if the is separated.

Another object of the present invention to provide a terminal double locking structure of the connector to minimize the wear of the locking jaw and support jaw and to move more easily in the process of repeatedly moving the second terminal fixture.

Still another object of the present invention is to provide a terminal locking part for fixing the second terminal fixture to the second terminal fixing part, so that the terminal of the connector can be prevented from being easily separated from the second terminal fixing part. It is to provide a double locking structure.

Still another object of the present invention is to provide a terminal double locking structure of a connector which prevents a contact portion of the first and second terminal fixtures from being worn when the cap and the plug are coupled to each other, and at the same time enables easier coupling.

In order to achieve the above object, the present invention provides a plug having a plurality of second terminal fixing parts for fixing a second terminal inward, and a plurality of plugs having a first terminal corresponding to the second terminal and fixed therein. A connector comprising a cap provided with a first terminal fixing part, comprising: a front and rear double locking part including a first terminal fixing tool mounted on an inner side of the cap and reciprocating back and forth and fixing the first terminal in a double manner; And a shanghai junglocking part including a second terminal fixture for mounting and reciprocating up and down and double fixing the second terminal, wherein the lower side of the inlet of the first terminal fixture includes the second terminal fixture when the cap and the plug are coupled to each other. Characterized in that the stepped portion formed in contact with the hem.

At this time, the front and rear dual locking unit, the terminal fixing piece is provided on the inner side of the first terminal fixing part, the upper side of the terminal fixing piece is formed with a stopping jaw corresponding to the locking step formed on the lower surface of the first terminal, the second terminal fixture It is characterized in that it is provided with a receiving space portion is inserted into the rear and the first terminal fixture is formed in contact with the bottom of the terminal fixing piece when lifting up and the support piece for lifting it.

The first terminal fixing piece is provided with one or more at the rear of the first terminal fixture and the protruding jaw is formed at the end thereof, and is formed on the side of the first terminal fixing part, and the protruding jaw is inserted and guided. The fixture locking portion is further provided.

When the first terminal fixture is moved to fix the first terminal in a double, characterized in that at least one second secondary fixing piece formed so that the protruding jaw formed at the end is inserted into the long hole.

At this time, the shanghai middle locking part, the cut-out portion formed to expose the engaging portion provided on the lower side of the second terminal to the lower surface of the second terminal fixing portion, and the storage space portion is provided inside the second terminal fixing portion is provided inside It is characterized in that it comprises a second terminal fixing sphere which is inserted into the incision on the lower surface is formed with a projection that is caught on the rear end of the locking portion.

A locking jaw is formed on both sides of the second terminal fixing tool, and a supporting jaw corresponding to the locking jaw is formed on an outer surface of the second terminal fixing part.

In this case, the locking step is provided on the grooves formed on both side plates of the second terminal fixing tool, characterized in that the upper and lower ends are formed on the inner side of the elastic support fixed to the corresponding surface of the groove.

A central separator provided with a groove portion vertically provided in the storage space portion of the second terminal fixture and having a rear side open at a middle portion thereof, a fixing piece provided on the groove portion and having one side fixed and a protruding jaw formed at the other side; It is formed on the side of the second terminal fixing portion, characterized in that the locking fasteners further comprising a locking hole is inserted and fixed to the protruding jaw.

The stepped portion of the first terminal fixture is characterized in that the curved guide surface is formed in the corner in contact with the bottom of the second terminal terminal fixture.

1 is an exploded perspective view showing a connector according to the present invention.

Figure 2a, b, c is a view showing a coupling state of the cap and the first terminal fixture according to Figure 1,

Figure 2a is a cross-sectional view showing a first locking state of the first terminal fixture.

Figure 2b is a cross-sectional view showing a second locking state of the first terminal fixture.

Figure 2c is a longitudinal sectional view showing a double locking state of the first terminal.

3a, b, and c show the plug and the second terminal fixture according to FIG.

Figure 3a is a front view showing the operation relationship in the state that the second terminal fixture is coupled.

Figure 3b is a longitudinal sectional view of the main portion showing a double locking state of the second terminal according to Figure 3a.

Figure 3c is an exploded perspective view of a partial incision showing the fastener locking portion.

Figure 4a, b shows the coupling state of the cap and plug according to Figure 1,

Figure 4a is a sectional view of the main portion showing an operating state of the first terminal fixture.

Figure 4b is a sectional view of the main portion showing an operating state of the second terminal fixture.

※ Explanation of codes for main parts of drawing

C: cap

10: first terminal 11: jamming jaw

20: 1st terminal high government

30: before and after double locking

31: Terminal 1 Fixture

310: storage space 311: stepped portion

311a: guide surface 312: support piece

32: terminal fixing 320: jersey

40: fastener locking part

41: 1st fixed flight 42: 2nd fixed flight

43: long hole 410,420: protruding jaw

P: plug

50: second terminal 51: the engaging portion

60: second terminal fixed government 61: support jaw

70: Shanghai Zhongloc King

71: incision

72: second terminal fixture

720: storage space 721: projection

722: groove 723: elastic support

723a: jamming jaw

80: fixture locking part

81: center separator 810: groove

82: fixing piece 820: protruding jaw

83: jam hole

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

1 is an exploded perspective view showing a connector according to the present invention, the configuration is a plug (P) is provided with a plurality of second terminal fixing part 60 is fixed to the second terminal inward, and coupled thereto And a cap C provided with a plurality of first terminal fixing parts (not shown) to which the second terminal and the corresponding first terminal are fixed.

Here, the first and second terminals refer to the male terminal and the female terminal. In general, the male terminal is provided in the cap C, and the female terminal is provided in the plug P. The position thereof varies depending on the product.

In addition, the inside of the cap (C) is reciprocated back and forth and the first terminal fixture 31 for fixing the first terminal fixed to the cap (C) double is mounted, and the inside of the plug (P) up and down A second terminal fastener 72 for fixing a second terminal fixed to the second terminal fixing part 60 of the plug P is mounted on the lower side of the inlet of the first terminal fixture 31. Step (3) is formed in contact with the bottom of the second terminal fixture 72 when the coupling (C) and the plug (P).

At this time, the interlocking action of the first and second terminal fixtures 31 and 72 and the function of the step portion 311 are, first, for the configuration and operation of each of the first and second terminal fixtures 31 and 72. The description will be made in detail later with reference to FIGS. 4A and 4B.

Figure 2a, b, c is a cross-sectional view showing a coupling state of the cap and the first terminal fixture according to Figure 1, Figure 2a showing a first locking state of the first terminal fixture.

As shown, the first terminal fixing piece 41 is provided on both rear sides of the first terminal fixing tool 31, the protruding jaw 410 is formed at the end thereof, and the first terminal height provided in the cap C. It is formed on the side of the government 20, the locking projection locking portion 40 is composed of a long hole 43 is inserted into the protruding jaw 410 is guided.

Accordingly, in the process of being mounted inside the cap C, the first terminal fixing tool 31 is provided as a pair on both sides of the protruding jaw 410 of the first vehicle fixing piece 41 that is elastically operated. ) Is inserted into the long hole 43, and is fixed primarily inside the cap (C).

In this case, the protruding jaw 410 of the first vehicle fixing piece 41 may be formed to be curved at an edge to facilitate fixing and separation of the first terminal fixing tool 31.

Figure 2b is a cross-sectional view showing a second locking state of the first terminal fixture.

As shown, a second secondary fixing piece 42 having a protruding jaw 420 formed at an end thereof is provided at an intermediate portion of the first terminal fixing fixture 31, and at the side of the first terminal fixing unit 20. A long hole 43 is formed into which the protruding jaw 420 is inserted.

As shown in FIG. 2A, when the first terminal fixture 31 is first fixed, the second terminal is automatically fixed when the first terminal fixture 31 is completely pushed into the inside of the cap C to complete the fixing. The second fixing piece 42 has a length shorter than that of the first fixing piece 41.

As described above, when the first terminal fixing tool 31 is completely pushed into the cap C and the fixing is completed, the first terminal (not shown) fixed to the first terminal fixing part 20 is doubled. In this case, by fixing the position of the first terminal fixing tool 31 by the second fixing piece 42, it is possible to maintain the double fixed state of the first terminal. In this case, a process of fixing the first terminal in duplicate will be described in detail with reference to FIG. 2C.

FIG. 2C is a longitudinal cross-sectional view illustrating a double locking state of the first terminal, and the first terminal 10 fixed to the first terminal fixing part 20 shown in FIG. 2B is doubled as the first terminal fixture 31 moves. It shows the process of locking.

As shown, the first terminal 10 is fixed to the first terminal fixing portion 20 is provided with a locking jaw 11 on the lower surface, the inner side of the first terminal fixing portion 20 on one side of the upper surface A terminal fixing piece 32 having a stopping jaw 320 corresponding to the locking step 11 of the first terminal 10 is provided, and the inside of the cap C has a rear side of the terminal fixing piece 32. A first terminal fixing tool 31 having a support piece 312 formed in contact with the hem and lifting it is provided to constitute a front and rear double locking part 30.

Accordingly, the support piece 312 is in contact with the bottom of the terminal fixing piece 32 in the process of pushing the first terminal fixture 31 into the cap (C) to lift it, the terminal fixing piece ( The stopping jaw 320 formed on the upper surface of the 32 supports the rear of the locking jaw 11 of the first terminal 10, thereby allowing the first terminal 10 to be double locked.

At this time, the support piece 312 is preferably formed to be inclined the corner portion in contact with the bottom of the terminal fixing piece 32 to prevent the occurrence of interference.

Figure 3a, b, c is a view showing the plug and the second terminal fixture according to Figure 1, Figure 3a is a front view showing the operation relationship in the second terminal fixture is coupled.

As shown in the drawing, an accommodating space 720 is inserted into the second terminal fixing part 72 so that the second terminal fixing part 60 is inserted therein, and both sides of the second terminal fixing part 72 are locked. 723a is formed, and a support jaw 61 corresponding to the locking jaw 723a is formed on an outer surface of the second terminal fixing part 60, and the locking jaw 723a and the supporting jaw 61 are formed. The cross section is formed in a triangle and has a predetermined length in the transverse direction.

At this time, the storage space 720 has a predetermined clearance so that the second terminal fixing fixture 72 can move up and down in a state coupled with the second terminal fixing portion (60).

Accordingly, although the locking jaw 723a is initially located below the support jaw 61, when the second terminal fixture 72 is moved upward, the locking jaw 723a is moved over the support jaw 61. The position of the second terminal fixture 72 is fixed.

In addition, the latching jaw 723a is provided on the groove portions 722 formed on both side plates of the second terminal fixture 72, the upper and lower ends of the elastic support 723 is fixed to the corresponding surface of the groove portion 722 Since it is formed on the inner side of the engaging jaw (723a) is carried over the support jaw 61 the process is made easier.

3B is a longitudinal sectional view showing main parts of the double locking state of the second terminal according to FIG. 3A.

As shown, the second terminal 50 provided inside the second terminal fixing part 60 is provided with locking portions 51 on both sides of the upper and lower sides, and the upper side of the second terminal fixing tool 60 in the fixing process. It is elastically supported inside of.

In addition, a cut portion 71 formed to expose the catching portion 51 provided on the lower side of the second terminal 50 to the bottom surface of the second terminal fixing part 60, and the cut portion 71 on the inner bottom surface thereof. Is inserted into the second terminal fixing port 72 formed with a projection 721 is formed on the rear end of the engaging portion 51 is provided with a shanghai middle locking portion (70).

Accordingly, when the second terminal fixture 72 is pushed upward, the protrusion 721 is raised to support the rear of the catching part 51 of the second terminal 50 to lock the double.

Figure 3c is a partially exploded perspective view showing the fastener locking portion.

As shown in the drawing, the center separator 81 is provided perpendicularly to the storage space 720 of the second terminal fixture 72 and has a groove portion 810 open at the rear side thereof, and the groove portion 810. A fixing piece 82 provided on and fixed to one side and having a protruding jaw 820 formed on the other side, and formed on a side surface of the second terminal fixing part 60, and the protruding jaw 820 is inserted and fixed. Fixing device locking portion 80 is composed of a ball (83) is provided.

Accordingly, in the process of fixing the second terminal fixture 72 to the plug (P), the projection jaw 820 of the fixing piece 82 having an elastic force is the locking hole 83 of the second terminal fixing part 60 By being inserted into the second terminal fixture 72 is fixed so as not to be easily separated.

4A and 4B show a coupling state of a cap and a plug according to FIG. 1, and FIG. 4A is a sectional view showing main parts of the first terminal fixture, and FIG. 4B is a sectional view showing main parts of the second terminal fixture. .

As shown, the second terminal fixture 72 is configured such that the bottom end of the second terminal fixture 72 in contact with the step portion 311 of the first terminal fixture 31 in the process of being inserted into the cap (C), the first terminal By pressing the fixing tool 31 inward of the cap C, the first terminal is double fixed as described with reference to FIG. 2C.

In addition, after the first terminal fixture 31 is completely fixed to the inside of the cap (C), the second terminal fixture 72 is raised by the step 311, the second terminal as described in Figure 3b Will be fixed as double. At this time, the stepped portion 311 is formed with a curved guide surface (311a) in the corner in contact with the bottom of the second terminal fixture 72 to minimize the interference phenomenon.

As described above, in the process of coupling the cap and plug to each other, the present invention is configured so that the double locking parts provided with each other are interlocked with each other, and the double fixing of each terminal is automatically performed in a one-touch manner. There is no inconvenience to be carried out, even if the operator forgets it and combines the cap and the plug has the effect of preventing the internal damage or bad connection of the terminal occurs.

In addition, the first terminal fixture is fixed to the first terminal fasteners by the first locking fasteners to secure the first terminal fasteners to prevent from being easily separated from the cap, the operator can be easily used without fear of loss Has

In addition, when the first terminal fixture is moved to fix the first terminal in a double, it is provided with a secondary fixing piece for fixing the first terminal fixture to the first terminal fixing portion secondary, even if the cap and plug are separated By maintaining the double fixed state, when the operator wants to recombine the cap and plug has an effect that can be more easily combined.

In addition, when the second terminal fixture moves up and down to fix the second terminal in double, a locking jaw and a supporting jaw are formed to temporarily fix the position of the second terminal fixture, and the cap and plug may be separated. By maintaining a double fixed state, when the operator wants to recombine the cap and plug has an effect that can be easily combined.

In addition, the locking jaw is formed on the elastic support object, and in the process of repeatedly moving the second terminal fixture up and down, it is possible to minimize the wear of the locking jaw and the support jaw and to move more easily.

In addition, it is provided with a locking device locking portion for fixing the second terminal fixture to the second terminal fixing part, by preventing the second terminal fixture is easily separated from the second terminal fixing part, the operator can easily use without fear of losing it. Has the effect.

In addition, by forming a curved guide surface on the stepped portion of the first terminal fixture, it is possible to prevent the contact portion of the first and second terminal fixtures to be worn at the time of coupling the cap and plug, and at the same time can be easily combined.

Claims (9)

The plug P is provided with a plurality of second terminal fixing parts 60 to which the second terminal 50 is fixed inward, and the first terminal 10 coupled thereto and corresponding to the second terminal 50 inside. In the connector consisting of a cap (C) is provided with a plurality of first terminal fixing portion 20 is fixed, A front and rear double locking unit 30 mounted inside the cap C and including a first terminal fixing tool 31 which reciprocates back and forth and fixes the first terminal 10 in duplicate; And a shanghai middle locking unit 70 mounted inside the plug P and reciprocating up and down and including a second terminal fixture 72 which fixes the second terminal 50 to a double. A connector 311 formed below the inlet of the first terminal fixture 31 in contact with the bottom of the second terminal fixture 72 when the cap C and the plug P are coupled; Terminal double locking structure. The method of claim 1, wherein the front and rear double locking portion 30, The terminal fixing piece 32 is provided on the inner side of the first terminal fixing part 20, and a stopper jaw 320 corresponding to the locking step 11 formed on the bottom surface of the first terminal 10 is formed on one side of the first terminal fixing part 20. and; An accommodating space 310 is inserted into the second terminal fitting 72, and a support piece 312 is formed at the rear thereof in contact with the bottom of the terminal fixing piece 32 when reversing. Terminal fastening structure of the connector comprising a; The method of claim 2, A first vehicle fixing piece 41 provided at least one rear of the first terminal fixing tool 31 and having a protruding jaw 410 formed at an end thereof; It is formed on the side of the first terminal fixing portion 20, the locking projection locking portion 40, characterized in that further comprises a; long hole 43 is inserted into the protruding jaw 410 is guided of the connector Terminal double locking structure. The method of claim 3, When the first terminal fixing tool 31 is moved to fix the first terminal 10 in double, the second vehicle fixing piece 42 formed so that the protruding jaw 420 formed at the end thereof is inserted into the long hole 43. The terminal double locking structure of the connector, characterized in that at least one) is provided. The method of claim 1, wherein the Shanghai middle locking unit 70, A cutout portion 71 formed on the lower surface of the second terminal fixing part 60 to expose the engaging portion 51 provided on the lower side of the second terminal 50; The second terminal fixing part 60 is accommodated therein is provided with a storage space portion 720, the protrusion 721 is inserted into the cutout portion 71 on the inner bottom surface and caught on the rear end of the catching portion 51. Is formed a second terminal fixture 72; terminal double locking structure of the connector comprising a. The method of claim 5, A locking jaw 723a is formed at both sides of the second terminal fixture 72, and a supporting jaw 61 corresponding to the locking jaw 723a is formed at an outer surface of the second terminal fixing part 60. The terminal double locking structure of the connector. The method of claim 6, wherein the locking jaw 723a, It is provided on the groove portion 722 formed on both side plates of the second terminal fixture 72, the upper and lower ends are formed on the inner surface of the elastic support 723 fixed to the corresponding surface of the groove portion 722 Terminal double locking structure of connector. The method according to claim 5 or 6, A center separator 81 provided perpendicularly to the storage space 720 of the second terminal fixture 72 and having a groove 810 open at a rear side thereof in a middle portion thereof; A fixing piece 82 provided on the groove 810 and having one side fixed and a protruding jaw 820 formed on the other side thereof; The connector is formed on the side of the second terminal fixing part 60, the fastener locking portion 80 is composed of; a locking hole 83 is inserted and fixed to the protruding jaw 820 is further provided. Terminal double locking structure. The step portion 311 of the first terminal fixing tool 31 according to any one of claims 1 to 7, The terminal double locking structure of the connector, characterized in that the curved guide surface (311a) is formed in the corner in contact with the bottom of the second terminal fixture (72).