KR100874194B1 - Test terminal - Google Patents

Abstract

An object of the present invention is to provide a test terminal that can prevent inadvertently connecting the plug connected to the test equipment to the socket connected to the mechanical equipment.

The configuration of the present invention is a socket 10 having a plurality of plug coupling portions (12, 14, 16, 18) electrically connected to each operating portion of the machine equipment, and each plug coupling portion 12, A plug 20 having a plurality of plug pins 22, 24, 26, 28 connected to 14, 16, 18, and each plug coupling portion 12, 14, 16, 18 of the socket 10. The color of each plug pin 22, 24, 26, 28 of the plug 20 and the color of the plug 20 are different from each other, so that each plug pin 22, 24, 26, 28 of the plug 20 is different. By distinguishing the polarity of the socket 10 is characterized in that it is connected to each plug coupling portion (12, 14, 16, 18).

The effect of the present invention is to connect the plug connected to the test equipment to the socket connected to the mechanical equipment to test whether the normal operation of each operating part of the mechanical equipment, such as by accidentally wrongly connecting the plug to the socket to damage the mechanical equipment Test terminals can be provided to prevent accidents.

Description

Test terminal

1 is a side view of a test terminal according to a first embodiment of the present invention

2 is a perspective view of a test terminal according to a first embodiment of the present invention;

3 is a perspective view illustrating a coupling state of a plug and a socket illustrated in FIG. 2;

4 is a perspective view showing a second embodiment of the present invention;

5 is a perspective view showing a third embodiment of the present invention

6 is a perspective view showing a fourth embodiment of the present invention.

7 is a perspective view for comparison with FIG.

8 is an exploded perspective view showing a terminal lever of a plug constituting a main part of a fifth embodiment of the present invention;

9 is a plan view showing a coupled state of the terminal lever of FIG.

10 and 11 are plan and bottom views, respectively, of the plug of the sixth embodiment of the present invention;

<Description of the symbols for the main parts of the drawings>

10.Sockets 12,14,16,18. Plug coupling

20. Plugs 22, 24, 26, 28. Plug pin

35. Sticker 40. Terminal lever

50. Coupling protrusion 55. Coupling groove

The present invention relates to a test terminal, and more particularly, to a test terminal that can prevent inadvertently connecting the plug connected to the test equipment to the socket connected to the mechanical equipment.

In general, various mechanical equipment is not configured as a single operation unit, but various operation units are connected in a circuit to form a system in which each operation part is organically operated according to an operation command of the central control unit.

At this time, during the first setting or use of the mechanical equipment, each operation part is tested for normal operation. A test terminal is used to test the operation of the mechanical equipment.

In other words, the control panel of the machine equipment is provided with a socket for inserting the plug of the test equipment, the socket is formed with a plurality of plug insertion holes electrically connected to each operating part of the machine equipment. In addition, a plurality of plugs are electrically connected to the test equipment for mechanical equipment, and the plurality of plugs connected to the test equipment are connected to the respective plug insertion holes of the socket, thereby testing whether each operating part of the mechanical equipment is operating normally. will be.

However, in the related art, it is difficult to distinguish the polarity of each plug insertion hole of the socket and the polarity of each of the plugs, so that when a test operation is accidentally inserted into each plug insertion hole of the socket (for example, a test In many cases, the plug of the equipment is inserted upside down into the plug insertion hole of the socket), and the wrong operation of the plug frequently damages the important operating parts of the equipment. In severe cases, even the equipment may burst. Also.

Therefore, there is an urgent need for a means for preventing damage such as loss of mechanical equipment due to incorrect connection of the test equipment plug.

The present invention is to solve the problems described above, the object of the present invention by preventing the wrong connection of the plug connected to the test equipment to the socket connected to the mechanical equipment, various accidents due to incorrect connection of the plug We want to provide a test terminal with a new configuration that can block.

According to the present invention for realizing this object, the socket 10 having a plurality of plug coupling portions 12, 14, 16, 18 electrically connected to each operating portion of the mechanical equipment, and each of the socket 10 A plug 20 having a plurality of plug pins 22, 24, 26, 28 connected to the plug coupling portions 12, 14, 16, 18, each plug coupling portion 12 of the socket 10; The colors of the plugs 22, 24, 26, and 28 of the plug 20 and the colors of the plugs 20, 14, 16, and 18 are different from each other. A test terminal is provided, characterized in that the polarization of 24, 26, 28 is connected to each plug coupling portion 12, 14, 16, 18 of the socket 10.

Each of the plug coupling portions 12, 14, 16, and 18 of the socket 10 is electrically connected to each of the plug pins 22, 24, 26, and 28 of the plug 20 so as to conduct electricity. 11a) is provided to have the connection casing (12a, 14a, 16a, 18a) provided, each of the connection casing (12a, 14a, 16a, 18a) is configured to be different from each other, each plug of the plug 20 The polarities of the pins 22, 24, 26, and 28 are distinguished so as to be connected to each of the connection casings 12a, 14a, 16a, and 18a of the socket 10.

Each of the plug coupling portions 12, 14, 16, and 18 of the socket 10 has a plug insertion hole 13 formed at the front thereof, and a connection casing 12a, 14a, 16a having a conductive connection piece 11a therein. And 18a, and the stickers 37a, 37b, 37c, and 37d having different colors are attached to the surfaces of the connection casings 12a, 14a, 16a, and 18a, respectively. 16, 18) to distinguish the polarity.

Each plug pin 22, 24, 26, 28 of the plug 20 is configured to be supported by a support body 21, and the plug pins 22, 24, 26 are supported in front of the support body 21. The terminal lever 40 for fixing the electric wire connected to the connection member 28a of the 28, is provided with a screw coupling type, the color of the terminal lever 40 itself is formed differently, the plug 20 It is characterized in that the polarization of each of the plug pins (22, 24, 26, 28) of.

The terminal lever 40 is provided with a plurality of projections 42 in the circumferential direction at the inner end facing the support body 21, the projection 42 in the rotational direction to tighten the terminal lever 40 It is characterized in that the inclined portion (42a) is provided with a sawtooth shape having a right angle portion (42b) in the rotational direction to release the terminal lever (40).

Each plug pin 22, 24, 26, 28 of the plug 20 is configured to be supported by a support body 21, and the plug pins 22, 24, 26 are supported in front of the support body 21. The terminal lever 40 is fixed to the connection member 28a of the connection member 28a so as to be electrically connected to the screw coupling type, and the terminal lever 40 has different stickers 35a, 35b, 35c, and 35d. ) Is attached to distinguish the polarity of each plug pin (22, 24, 26, 28) of the plug (20).

The terminal lever 40 is provided with a plurality of projections 42 in the circumferential direction at the inner end facing the support body 21, the projection 42 in the rotational direction to tighten the terminal lever 40 It is characterized in that the inclined portion (42a) is provided with a sawtooth shape having a right angle portion (42b) in the rotational direction to release the terminal lever (40).

At least one of the plug insertion holes 13 and the plug pins 22, 24, 26, and 28 of the plugs 20 facing each other among the plurality of plug insertion holes 13 communicating with the front of the socket 10 face each other. Each of the plug pins 22, 24, 26, 28 of the plug 20 is formed on the surface of the coupling protrusion 50 and the coupling groove 55, respectively, to fit the coupling protrusion 50 and the coupling groove 55. ) Is connected to the plug insertion hole 13 of the socket 10.

Each plug pin 22, 24, 26, 28 of the plug 20 inserted into and connected to each plug coupling portion 12, 14, 16, 18 of the socket 10 is supported by a support body 21. And a terminal lever 40 configured to be disposed in parallel with each other, and to secure the electric wire connected to the connection member 28a of the plug pins 22, 24, 26, and 28 in front of the support body 21. Is provided with a screw coupling type, the driver insertion groove 44 is further formed on the outer end of the terminal lever (40).

Further, according to the present invention, a socket 10 having a plurality of plug coupling portions 12, 14, 16, and 18 electrically connected to each operating portion of the machine equipment, and each plug coupling portion of the socket 10 ( A plug 20 having a plurality of plug pins (22, 24, 26, 28) connected to 12, 14, 16, 18, and a plurality of plug insertion holes communicated to the front of the socket ( At least one of the plug insertion holes 13 and the surface of each of the plug pins 22, 24, 26, and 28 of the plug 20 among the coupling protrusions 50 and the coupling grooves 55 are respectively formed. The plug pins 22, 24, 26, and 28 of the plug 20 are connected to the plug insertion hole 13 of the socket 10 by aligning the coupling protrusion 50 and the coupling groove 55. A test terminal is provided, which is adapted to be provided.

Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings. 1 is a side view of a test terminal according to a first embodiment of the present invention, FIG. 2 is a perspective view of a test terminal according to a first embodiment of the present invention, and FIG. 3 shows a coupling state of a plug and a socket shown in FIG. 4 is a perspective view showing a second embodiment of the present invention, FIG. 5 is a perspective view showing a third embodiment of the present invention, FIG. 6 is a perspective view showing a fourth embodiment of the present invention, and FIG. 8 is an exploded perspective view showing a terminal lever of a plug constituting a main part of a fifth embodiment of the present invention, FIG. 9 is a plan view showing a coupled state of the terminal lever of FIG. 11 is a plan view and a bottom view, respectively, of a plug of a sixth embodiment of the present invention. Referring to this, the present invention provides a socket 10 having a plurality of plug coupling portions 12, 14, 16, and 18 electrically connected to respective operating portions of mechanical equipment, and each plug coupling portion of the socket 10 ( It consists of a plug 20 having a plurality of plug pins 22, 24, 26, 28 connected to 12, 14, 16, 18, and the plug coupling portion 12, 14, 16, 18) is configured to be different in color. In addition, the plug pins 22, 24, 26, 28 of the plug 20 are also configured to be different in color from each other. At this time, the plug pins 22, 24, 26, and 28 coupled to the respective plug coupling parts 12, 14, 16, and 18 of the socket 10 are the plug coupling parts 12, 14, and 16 of the socket 10, respectively. , 18) and the same color.

The plug coupling portions 12, 14, 16, and 18 of the socket 10 may have a first plug coupling portion 12, a second plug coupling portion 14, a third plug coupling portion 16, and a fourth plug, respectively. It is composed of a coupling portion (18). At this time, each plug coupling portion 14, 14, 16, 18 is coupled to the rear of the front panel 11 through which the plug insertion hole 13 is penetrated, and the first to the first provided with the conductive connecting piece 11a therein. It is configured to have four connection casings 12a, 14a, 16a, and 18a. The first to fourth connection casings 12a, 14a, 16a, and 18a are formed in an approximately long rectangular case shape and are arranged in four rows side by side behind the front panel 11.

In addition, the conductive connecting pieces 11a inside the connection casings 12a, 14a, 16a, and 18a are electrically energized by wire fixing bolts (not shown) exposed to the rear ends of the connection casings 12a, 14a, 16a, and 18a. It is configured to be. The wire fixing bolt is composed of two up and down, the wire is connected to each of the two wire fixing bolt, the conductive connecting piece (11a) is usually composed of two elastic metal pieces (11s) in contact with the V-shaped up and down, Each elastic metal piece 11s is electrically connected to each of the wire fixing bolts.

Therefore, normally, two wires connected to each operation unit of the machine are connected to two wire fixing bolts, and the two elastic metal pieces 11s are in contact with each other, so that each operation unit and the socket 10 of the machine equipment are connected. Of the conductive connecting pieces 11a are closed to form a state in which power can be applied.

On the other hand, the connection casing (12a, 14a, 16a, 18a) are arranged side by side in four rows, made of different colors to achieve the features of the present invention. In the present embodiment, the colors of the four first to fourth connection casings 12a, 14a, 16a, and 18a are white, blue, red, and black, respectively. In addition, the front of the front panel 11 of the socket 10 is provided with a polarity indicator (not shown) having the same color as the color of each plug coupling portion (12, 14, 16, 18).

Therefore, the polarity of each operation part of the machine equipment is connected to the plug coupling parts 12, 14, 16 and 18 of the socket 10 (specifically, wire fixing bolts at the rear end of the connection casings 12a, 14a, 16a and 18a). Since it is possible to connect the wires separately, there is an effect that can be easily connected to distinguish the polarity of the wire even if the skilled person.

In addition, the plug pins 22, 24, 26, 28 of the plug 20 are also configured to be different in color from each other. That is, the plug pins 22, 24, 26, and 28 coupled to the respective plug coupling parts 12, 14, 16, and 18 of the socket 10 may have the plug coupling parts 12, 14, and 16 in front of the socket 10. 18 is the same as the number of four first to fourth plug pins (22, 24, 26, 28), the first plug pin 22 is white, the second plug pin 24 is blue, the first The third plug pin 26 is red, and the fourth plug pin 28 is black.

In addition, a terminal lever 40 is provided at a front end of the plug pins 22, 24, 26, and 28. The terminal lever 40 fixes the electric wires of the test equipment, so that each plug pin of the plug 20 is provided. (22, 24, 26, 28) can be electrically connected to.

Specifically, each of the plug pins 22, 24, 26, 28 of the plug 20 is supported by the support body 21 and arranged side by side in four rows. That is, each of the plug pins 22, 24, 26, 28 is provided with a long core member made of synthetic resin (a pair of metal connecting members 28a are provided on the upper and lower surfaces of the core member 28b, and each connecting member 28a is provided. ) Is electrically connected to the pair of upper and lower bolts 28d protruding forward of the support body 21, and the pair of upper and lower bolts 28d are electrically connected to each other by the metal pieces 28c. The terminal levers 40 are bolted to the pair of bolts 28d, respectively.

In summary, each of the plug pins 22, 24, 26, 28 has a core member 28b, a metal upper and lower connecting member 28a, a metal piece 28c and a pair of upper and lower bolts 28d (shown in FIG. 7). The plug pins 22, 24, 26, 28 are supported by the support body 21 and arranged in four rows side by side.

In addition, the plug 20 has a shape having the plug pins 22, 24, 26, and 28 arranged to be supported in four rows on the support body 21. As described above, the plug pins 22, 24, and 26 are used. By the terminal lever 40 provided at the front end of the 28, the wires of the test equipment are fixed so that each of the plug pins 22, 24, 26, 28 of the plug 20 can be electrically connected.

At this time, the plug pins 22, 24, 26, 28 are formed in a different color to achieve the characteristics of the present invention. That is, the colors of the core member 28b and the terminal lever 40 constituting the plug pins 22, 24, 26, and 28 are different from each other. In this embodiment, the plug pins 22, 24, 26, 28 are different. (Specifically, the color of the core member 28b and the terminal lever 40) is made of the same white, blue, red, and black as the respective plug coupling portions 12, 14, 16, and 18 of the socket 10. have.

On the other hand, as described above, the front of the front panel 11 constituting the socket 10 is provided with a polarity indicator (not shown) of the same color as the color of each plug coupling portion (12, 14, 16, 18) do. That is, although not shown, each polarity display portion is displayed in white, blue, red, and black.

According to the present invention having such a configuration, each of the plug pins 22, 24, 26, 28 of the plug 20 connected to the test equipment is inserted into the plug insertion hole 13 of the front of the socket 10 (that is, the front panel 11). By inserting into each plug coupling portion (12, 14, 16, 18) through) to test whether each operating unit of the mechanical equipment is operating normally.

In this case, in the present invention, the colors of the plug coupling parts 12, 14, 16, and 18 of the socket 10 are different from each other, and each of the plug pins 22, 24, 26, 28 of the plug 20 is different. The color is configured to be the same color as each plug coupling portion 12, 14, 16, and 18 of the socket 10, so that each plug pin 22, 24, 26, 28 of the plug 20 is connected to the socket 10. When the plugs are coupled in accordance with the colors of the plug coupling parts 12, 14, 16, and 18, the plug 20 may not be connected to the socket 10 incorrectly, so that the plug 20 of the test equipment is connected to the socket 10. It is effective to prevent damage to mechanical equipment due to incorrect connection to the equipment.

In other words, each plug pin 22 of the plug 20 composed of white, blue, red, and black is formed at each plug coupling portion 12, 14, 16, 18 of the socket 10 composed of white, blue, red, and black. By just fitting the 24, 26, 28, the plug 20 can be prevented from being incorrectly connected to the socket 10. Thus, damage to mechanical equipment due to incorrect connection of the plug 20 can be prevented in advance. It is.

On the other hand, Figure 4 is a perspective view showing a second embodiment of the present invention, according to the second embodiment of the present invention according to Figure 4, each plug coupling portion 12, 14, 16, 18 of the socket 10 The different colors of stickers 37a, 37b, 37c, and 37d are attached to the surface (specifically, the upper surface) of, so as to distinguish the polarity of each plug coupling portion 12, 14, 16, and 18. In the second embodiment of the present invention, the color of each sticker 37a, 37b, 37c, 37c is composed of white, blue, red, and black.

In addition, according to Figure 4, the end of the terminal lever 40 provided in the front end of each of the plug pins 22, 24, 26, 28 of the plug 20 stickers 35a, 35b, 35c, 35d different in color. ) Is attached. The stickers 35a, 35b, 35c, and 35d attached to the terminal levers 40 are the same white, blue, red, and black as the plug coupling portions 12, 14, 16, and 18 of the socket 10.

Since the effects of the second embodiment of the present invention are similar to those of the first embodiment, redundant description thereof will be omitted.

5 is a perspective view illustrating a third embodiment of the present invention, and FIG. 6 is a perspective view for comparison with FIG. 5. According to the third embodiment of FIG. 5, at least one of a plurality of plug insertion holes 13 (that is, plug insertion holes 13 communicated with the front panel 11) communicated with the front of the socket 10. Coupling protrusions 50 and coupling grooves 55 are formed on surfaces of the plug insertion hole 13 and the plug pins 22, 24, 26, and 28 facing each other.

Specifically, one of the four plug insertion holes 13, the one of the plug insertion hole 13 is formed so that the coupling groove 55 extends in the longitudinal direction, the other plug insertion hole 13 in the coupling projection (50) Is formed to extend in the longitudinal direction. That is, a coupling groove 55 is formed in the plug insertion hole 13 which communicates with the black connection casing 18a, and a coupling protrusion 50 is formed in the plug insertion hole 13 which communicates with the white connection casing 12a. Is formed.

In addition, each of the plug pins (22, 24, 26, 28) of the plug 20 is coupled to the engaging projection 55 and the engaging projection 50 formed in the plug insertion hole 13 of the socket 10 50 and coupling grooves 55 are formed respectively. That is, the coupling protrusion 50 is formed in the side portion of the black plug pin 28 in the longitudinal direction, and the coupling groove 55 is formed in the side portion of the white plug pin 22 in the longitudinal direction.

Thus, as shown in FIG. 5, the coupling grooves 55 formed in the white plug pins 22 of the plug 20 and the coupling protrusions 50 formed in the black plug pins 28 are respectively white in the socket 10. Fit the engaging projection 50 formed in the plug insertion hole 13 of the connection casing 12a portion and the engaging groove 55 formed in the plug insertion hole 13 of the black connection casing 18a portion of the socket 10. When the plug pins 22, 24, 26 and 28 of the plug 20 are coupled to the plug coupling parts 12, 14, 16 and 18 of the socket 10, the plug 20 is connected to the socket 10. In the case of incorrect connection to the) is blocked in advance, there is an effect of preventing damage to the mechanical equipment due to incorrect connection of the plug 20 of the test equipment to the socket 10.

In particular, in the third exemplary embodiment of the present invention, as shown in FIG. 6, when the plug 20 is inverted and incorrectly inserted, the engaging protrusion 50 of the plug 20 and the engaging protrusion 50 of the socket 10 are shown. Since the plugs 20 cannot be inserted into the sockets 10 at all, the misconnection of the plugs 20 can be more reliably prevented.

FIG. 7 is an exploded perspective view showing the terminal lever 40 of the plug 20 constituting the main part of the fourth embodiment of the present invention. FIG. 8 is a plan view showing a coupled state of the terminal lever 40 of FIG. 7 and 8, each of the plug pins 22, 24, 26, and 28 of the plug 20 is configured to be supported by the support body 21, and the plug pin is forward of the support body 21. The bolts 28d are electrically connected to the connecting members 28a of the 22, 24, 26, and 28, and the terminal levers 40 for fixing the wires of the respective parts of the bolt 28d are screwed together. The terminal lever 40 is provided with a plurality of protrusions 42 in the circumferential direction at the inner end facing the support body 21.

The projection 42 of the terminal lever 40 is provided with an inclined portion 42a in the rotational direction of tightening the terminal lever 40 and has a right angled portion 42b in the rotational direction of releasing the terminal lever 40. It is configured in a sawtooth shape, it is formed to continue in an annular direction in the rotational circumferential direction of the terminal lever (40).

7 and 8, when the terminal lever 40 is tightened to fix the wires of the test equipment, the terminal lever 40 is guided to slide and rotate by the inclined portion 42a of the protrusion 42. While the lever 40 is rotated smoothly, when the terminal lever 40 is tightened tightly, the tip of the protrusion 42 is in close contact with the surface of the support body 21, so that the test There is an effect of preventing the terminal lever 40 from loosening easily due to vibration during use of the equipment, and furthermore, the tightening force of the terminal lever 40 is weakened, so that the plug pins 22 and 24 of the test equipment and the wires of the test equipment 20 become weak. , 26, 28) there is an effect that can prevent the poor conduction between.

On the other hand, each of the plug pins 22, 24, 26, 28 of the plug 20 is supported by the support body 21 and arranged side by side, the plug pins (22, 24, 26, 28) are the support body 21 is electrically connected to the electric wire by the terminal lever 40 on the front surface, and the driver insertion groove 44 is provided at the end of the terminal lever 40.

Therefore, when the electric wire is fixed by tightening the terminal lever 40, the driver insertion groove 44 of the terminal lever 40 can be inserted and tightened, so that the operator tightens the terminal lever 40 by hand. There is an effect that can prevent the electric shock caused by, and can use the screwdriver to tighten the terminal lever 40 with a greater force, it can give enough power to secure the wire, as well as the terminal lever (in use) There is also an effect that can be more easily structured by preventing the 40 to be easily released.

At this time, it is preferable that the screwdriver insertion groove 44 is cross-shaped, so that a flat head screwdriver can be used as well.

9 and 10 are plan and bottom views of the plug 20 according to the present invention. Referring to FIGS. 9 and 10, the support body 21 supporting the plug pins 22, 24, 26, and 28 is shown. On the upper surface is a display unit 60 printed with 'TOP' to display the upper side of the plug 20.

In addition, the bottom of the support body 21 is a display portion 62 for displaying the lower side of the plug 20. The lower display consists of a number of inclined yellow lines printed on a black background and the word 'BOTTOM' printed on it.

Therefore, according to FIGS. 9 and 10, the upper and lower sides of the plug 20 are distinguished from the display portions 60 and 62 to prevent the plug 20 from being inserted back into the socket 10. It is effective in preventing accidents caused by reverse insertion.

12 is a plan view showing another embodiment of the present invention. According to FIG. 12, each of the plug pins 22, 24, 26, and 28 of the plug 20 is supported by the support body 21. It is configured, the front of the support body 21 is provided with a screw-type terminal lever 40 for fixing the electric wire connected to the electricity supply to the connection member 28a of the plug pins (22, 24, 26, 28) A washer member 70 having a plurality of teeth 72 is interposed between the terminal lever 40 and the support body 21. The teeth 72 of the washer member 70 are tightened by tightening the terminal lever 40. ) Is pressed against the support body 21 to be caught.

12, each tooth 72 of the washer member 70 is coupled in such a manner as to dig into the front of the support body 21, so that the terminal lever 40 is easily released when using the test equipment. There is an effect to prevent, the tightening force of the terminal lever 40 is weakened, there is an effect of preventing the conduction failure between the wire of the test equipment and each plug pin (22, 24, 26, 28) of the plug 20.

On the other hand, Figures 13 to 15 is a view showing another embodiment of the present invention. 13 to 15 of the present invention is configured such that the door 80 is pivotally opened and closed via the pivot support on the front surface of the socket 10, so that the test terminal can be easily used while the door 80 is rotated upward. Can be.

In detail, the pivot support part is integrated with both left and right pairs of engaging grooves 85 provided to face each other on both sides of the front part of the front panel 11 of the socket 10 and the upper both side ends of the door 80. Protruding and the outer peripheral surface is composed of a rotating shaft 87 is provided with a locking projection (87a) to be engaged with the locking groove (85) of the socket (10). At this time, the locking protrusion 87a is provided in two along the circumferential direction of the rotation shaft 87. In addition, since the rotation shaft 87 of the door 80 is fitted into the hinge hole 85a formed at both sides of the front panel 11 of the socket 10, the door 80 is rotated by the rotation shaft 87 and the hinge hole 85a. Can be rotated upwards.

Accordingly, as illustrated in FIG. 14, when the door 80 is opened upward, the locking protrusions 85a of the rotation shaft 87 are provided on the front panel 11 of the socket 10. Since the door 80 is held in an upwardly open state, the plug pin 22 of the plug 20 can be inserted into the front plug insertion hole 13 of the socket 10 in this state. Will be.

On the other hand, as shown in Figure 15, when the door 80 is closed by rotating downward, another locking projection (87a) is caught in the locking groove 85 provided in the front panel 11 of the socket 10. As a result, the door 80 can be firmly closed.

Therefore, in the present invention according to FIGS. 13 to 15, when the test terminal is used by inserting the plug 20 into the socket 10, the door 80 is opened upward by a simple operation and the plug 20 is easily opened. 10), the test work is very quick and easy.

In addition, in the embodiment of the present invention according to Figure 13 to 15, the locking groove 85 is provided in the front panel 11 of the socket 10, the locking projection 87a of the rotary shaft 87 is the door 80 Although the case provided in the embodiment has been described as an embodiment, on the contrary, the locking protrusion 85 may be provided on the front panel 11 of the socket 10, and the locking groove 87a may be provided on the outer circumferential surface of the rotation shaft 87. .

The present invention described above is not limited to the above-described embodiments and the accompanying drawings, and various permutations, modifications, and changes can be made without departing from the spirit of the present invention. It will be apparent to those who have it.

According to the present invention as described above, if you want to test whether the normal operation of each operating unit of the mechanical equipment by connecting the plug connected to the test equipment to the socket connected to the mechanical equipment, by accidentally connecting the plug to the socket by mistake Test terminals can be provided that can prevent various accidents such as damage.

Claims (15)

delete delete delete delete A socket 10 having a plurality of plug coupling portions 12, 14, 16, and 18 electrically connected to each operating portion of the machine, and each plug coupling portion 12, 14, 16, 18 of the socket 10. And a plug 20 having a plurality of plug pins 22, 24, 26, 28 connected to each other, and having its own color of each plug coupling portion 12, 14, 16, 18 of the socket 10. Each plug pin 22, 24, 26, 28 of the plug 20 is configured to be different from each other, by distinguishing the polarity of each plug pin (22, 24, 26, 28) of the plug 20 Connected to the respective plug coupling portions 12, 14, 16 and 18 of the socket 10, Each plug pin 22, 24, 26, 28 of the plug 20 is configured to be supported by a support body 21, and the plug pins 22, 24, 26 are supported in front of the support body 21. The terminal lever 40 is fixed to the connection member 28a to be connected to the connection member 28a of the 28 is provided with a screw coupling type, the color of the terminal lever 40 itself is formed differently, the plug 20 To distinguish the polarity of each plug pin (22, 24, 26, 28) of, The terminal lever 40 is provided with a plurality of projections 42 in the circumferential direction at the inner end facing the support body 21, the projection 42 in the rotational direction to tighten the terminal lever 40 At the same time as the inclined portion (42a) is provided and has a sawtooth shape having a right angle portion (42b) in the rotational direction to release the terminal lever (40), On the upper surface of the support body 21 for supporting each of the plug pins 22, 24, 26, and 28 of the plug 20, a display unit 60 printed with “TOP” is provided to display the upper side of the plug 20. Simultaneously with the bottom of the support body 21, the test terminal, characterized in that the lower display portion 62 printed with 'BOTTOM' is printed to display the lower side of the plug (20). delete A socket 10 having a plurality of plug coupling portions 12, 14, 16, and 18 electrically connected to each operating portion of the machine, and each plug coupling portion 12, 14, 16, 18 of the socket 10. A plug 20 having a plurality of plug pins 22, 24, 26, 28 connected to Each of the plug coupling portions 12, 14, 16, and 18 of the socket 10 has a plug insertion hole 13 formed at the front thereof, and a connection casing 12a, 14a, 16a having a conductive connection piece 11a therein. And 18a, and stickers 37a, 37b, 37c, and 37d having different colors are attached to the surfaces of the connection casings 12a, 14a, 16a, and 18a, respectively. 16,18) to distinguish the polarity, Each plug pin 22, 24, 26, 28 of the plug 20 is configured to be supported by a support body 21, and the plug pins 22, 24, 26 are supported in front of the support body 21. The terminal lever 40 is fixed to the connection member 28a of the connection member 28a so as to be electrically connected to the screw coupling type, and the terminal lever 40 has different stickers 35a, 35b, 35c, and 35d. ) Is attached to distinguish the polarity of each plug pin (22, 24, 26, 28) of the plug 20, The terminal lever 40 is provided with a plurality of projections 42 in the circumferential direction at the inner end facing the support body 21, the projection 42 in the rotational direction to tighten the terminal lever 40 At the same time as the inclined portion (42a) is provided and has a sawtooth shape having a right angled portion (42b) in the rotational direction to release the terminal lever (40), On the upper surface of the support body 21 for supporting each of the plug pins 22, 24, 26, and 28 of the plug 20, a display unit 60 printed with “TOP” is provided to display the upper side of the plug 20. Simultaneously with the bottom of the support body 21, the test terminal, characterized in that the lower display portion 62 printed with 'BOTTOM' is printed to display the lower side of the plug (20). A socket 10 having a plurality of plug coupling portions 12, 14, 16, and 18 electrically connected to each operating portion of the machine, and each plug coupling portion 12, 14, 16, 18 of the socket 10. And a plug 20 having a plurality of plug pins 22, 24, 26, 28 connected to each other, and having its own color of each plug coupling portion 12, 14, 16, 18 of the socket 10. Each plug pin 22, 24, 26, 28 of the plug 20 is configured to be different from each other, by distinguishing the polarity of each plug pin (22, 24, 26, 28) of the plug 20 Connected to the respective plug coupling portions 12, 14, 16 and 18 of the socket 10, Each plug pin 22, 24, 26, 28 of the plug 20 is configured to be supported by a support body 21, and the plug pins 22, 24, 26 are supported in front of the support body 21. A terminal lever 40 for fixing an electric wire connected to the connecting member 28a of the main body 28 is screw-mounted, and a plurality of teeth 72 are provided between the terminal lever 40 and the support body 21. Is provided with a washer member 70, and the teeth 72 of the washer member 70 are tightly pressed against the support body 21 by tightening the terminal lever 40. On the upper surface of the support body 21 for supporting each of the plug pins 22, 24, 26, and 28 of the plug 20, a display unit 60 printed with “TOP” is provided to display the upper side of the plug 20. Simultaneously with the bottom of the support body 21, the test terminal, characterized in that the lower display portion 62 printed with 'BOTTOM' is printed to display the lower side of the plug (20). According to claim 5, At least one of the plug insertion hole 13 of the plurality of plug insertion holes 13 communicated to the front of the socket 10 and each of the plug pins (22, 24, 26) On the surfaces facing each other, the coupling protrusions 50 and the coupling grooves 55 are formed, respectively, and the plug pins 22 of the plugs 20 are aligned with the coupling protrusions 50 and the coupling grooves 55. , 24, 26, 28 is connected to the plug insertion hole (13) of the socket (10) test terminal. 10. The support body according to claim 9, wherein each plug pin (22, 24, 26, 28) of the plug (20) inserted into and connected to each plug coupling portion (12, 14, 16, 18) of the socket (10) is supported. It is configured to be supported by (21) and arranged side by side, the front of the support body 21 is fixed to the wire connected to energize the connection member 28a of the plug pins (22, 24, 26, 28) The terminal lever 40 is provided with a screw coupling type, the test terminal, characterized in that the driver insertion groove 44 is further formed on the outer end of the terminal lever (40). delete delete delete The test terminal according to claim 5, wherein the door (80) is pivotally opened and closed on a front surface of the socket (10) via a pivot support, so that the door (80) can be rotated upward to open. 15. The apparatus of claim 14, wherein the pivot support part comprises a pair of left and right locking grooves 85 or locking protrusions 87a provided on both sides of the front portion of the front panel 11 of the socket 10 so as to face each other. Rotating shaft provided with a locking projection (87a) or a locking groove (85) which is projected to be integrated to both upper ends of the upper portion 80 and the outer peripheral surface is engaged with the locking groove (85) or locking projection (87a) of the socket (10) 87) a test terminal comprising: a.

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