JP4859604B2 - Terminal block connection device - Google Patents

Description

  The present invention relates to a terminal block connecting device for connecting a conductive cable to a terminal block.

  Terminal blocks are installed in various devices and used for wiring to the devices. An example of such a terminal block is shown in FIG. As shown in FIG. 15A, the terminal block 100 is provided with connecting tools 120 in the width direction of the terminal block main body 110 in two rows on the surface side of the plate-shaped terminal block main body 110. Each connection tool 120 is for connecting a terminal of a power distribution cable (hereinafter referred to as “distribution line”), and includes a connection screw 121 and a washer 122. As shown in FIG. 15B, insulating surfaces 111 to 113 are provided on the surface of the terminal block main body 110 to separate and insulate each connection tool 120. The insulating wall 111 is a central wall provided at the center of the terminal block main body 110, and the insulating wall 112 is a side wall provided on the side surface of the terminal block main body 110. The insulating wall 113 is a separation wall that separates the connection tool 120. The terminal block body 110 and the insulating walls 111 to 113 are made of an insulator, and the insulating walls 111 to 113 are formed integrally with the terminal block body 110. Note that mounting screws 130 for attaching the terminal block 100 to an apparatus or the like are provided on both side surfaces of the insulating wall 111. The distance from the back surface of the terminal block main body 110 to the end surfaces of the insulating walls 111 to 113 is a height H.

  There is a case where another cable is connected to the distribution line already installed on the terminal block 100. For example, the terminal block 100 may be used as a terminal block of a current transformer circuit (hereinafter referred to as “CT circuit”) connected to a relay board. In such a case, for example, in the actual load test at the time of relay replacement, as shown in FIG. 16, with respect to the terminals 201A to 204A of the distribution lines 201 to 204 outside the panel connected to the terminal block 100 of the CT circuit. As shown in FIG. 17, the operator connects the measuring device 210 with the clips 211 </ b> A to 214 </ b> A of the cables 211 to 214 from the measuring device 210 interposed therebetween. Thereafter, the operator confirms that there is no opening, removes the connection screws 121 of the terminal block 100, and opens the distribution lines 205 and 206 inside the panel shown in FIG. 16 as shown in FIG. Then, the operator performs measurement using the measuring device 210.

  By the way, after a cable is connected to a terminal block with a clip for measurement, the clip may easily come off depending on the shape and size of the terminal. In such a case, the clip may come off the terminal when a force is applied to the cable. At this time, the clip that has come off short-circuits the other terminals and affects the measuring instrument, etc. Also, if the terminal block of the CT circuit is opened, a large electromotive force is generated in the CT circuit. May be affected.

  Furthermore, when the distribution lines connected to the terminal block are intricate, it is necessary to sandwich the clip between the terminals so that the terminals are not short-circuited with the clip, and for connecting cables from measuring instruments to the terminal block Workability is poor.

  An object of the present invention is to solve the above-mentioned problems, enable a different cable to be easily connected to a distribution line already connected to a terminal block, and prevent the cable from being disconnected after connection. It is to provide an apparatus for connecting a table.

In order to solve the above-mentioned problem, the invention according to claim 1 connects a plurality of cable terminals disposed on the front side of the terminal block body and provided in the width direction on the surface side of the plate-shaped terminal block body. A terminal block connecting device used for a terminal block comprising a connection tool and an insulating wall provided on the surface of the terminal block main body and partitioning each connection tool, the plate-shaped plate main body, A base portion formed by at least one through hole extending from the front surface to the back surface of the plate main body, a conductive rod-like contact body that passes through each through hole of the base portion, and a direction intersecting the plate main body Are provided on the back surface of the plate main body of the base portion, and hold the terminal block together with the plate main body. A stopper, and the through hole is connected to the terminal block. Held in the terminal block by the stopper is disposed to face the said through contact body is electrically connected to the terminal block of the connector, said together with the stop is provided on a rear surface of the plate body An outer leg portion disposed so as to be located on the front side of the terminal block, and an inner leg portion provided with a projecting portion provided so as to be able to be inserted into and removed from the outer leg portion and projecting so as to face the plate body And an elastic body that draws the inner leg portion toward the outer leg portion .

According to a second aspect of the present invention, in the terminal block connecting device according to the first aspect, the outer leg portion is disposed on the back surface of the plate body so as to be positioned on a side surface of the terminal block. And

According to a third aspect of the present invention, in the terminal block connecting device according to the first or second aspect , the holding bodies hold the contact bodies movably by meshing the contact bodies with screws. To do.

According to a fourth aspect of the present invention, there is provided the terminal block connecting device according to the third aspect, wherein the contact body protruding from the surface of the plate main body is provided with a fixture that engages with a screw .

According to a fifth aspect of the present invention, in the terminal block connecting device according to any one of the first to fourth aspects, the holding body is provided so as to be able to move the plate body.

  According to the first aspect of the present invention, when the terminal block connection device is held by the terminal block, a cable from a measuring instrument or the like is obtained by holding the contact body protruding from the surface of the plate body of the base portion with a clip. Can be connected to the terminal block connector. At this time, since the cable is not wired around the contact body, the connection by the clip can be easily performed. Further, since the rod-shaped contact body is sandwiched between the clips, for example, the clip is less likely to come off than when a flat terminal is sandwiched between the clips.

According to the invention of claim 3 , after holding the terminal block connection device on the terminal block, if the contact body is rotated to contact the terminal block connector, electrical contact between the contact body and the terminal block connector The state can be kept good.

According to the invention of claim 4 , after holding the terminal block connecting device on the terminal block, if the U terminal is sandwiched and fixed between the fixture and the holding body, the cable is connected to the terminal block using the U terminal. It is possible to make an electrical connection to.

According to the first aspect of the invention, when the terminal block connecting device is fixed to the terminal block, if the terminal block is sandwiched from the front side of the terminal block between the plate body and the protruding portion of the stopper, the inner leg is supported by the elastic body. Since the portion is pulled toward the outer leg portion, the terminal block connection device can be easily fixed to the terminal block.

According to the invention of claim 2 , since the outer leg portion is disposed so as to be positioned on the side surface of the terminal block, it can be fixed with the terminal block sandwiched from the width direction of the terminal block. As a result, the cable is connected to the connector in advance on the front side of the terminal block, and the cable is intricate, but the cable is not connected to the side of the terminal block, so work to fix the terminal block Makes it easy to do.

According to the invention of claim 5 , after the terminal block connecting device is held on the terminal block, when the contact body is brought into contact with the connection tool of the terminal block, if the position of the contact body is deviated with respect to the connection tool, it is held. The position of the contact body can be corrected by moving the body, and the connection between the contact body and the connection tool can be ensured.

  Next, embodiments of the present invention will be described in detail with reference to the drawings. In the following embodiment, a case where the terminal block 100 of FIG. 15 described above is used will be described as an example.

(Embodiment 1)
An apparatus for connecting a terminal block according to this embodiment is shown in FIGS. The terminal block connection device includes a base part 1, a leg part 2, and a contact part 3. The base 1 is for making contact with the end face of at least one of the insulating walls 111 to 113 provided on the terminal block 100 (FIG. 15), and is a plate body 11A that is a rectangular insulator. It is made with. In the center of the base portion 1 can open the rectangular through holes 11C penetrating to the back surface 11A ₂ from the surface 11A ₁ of the base portion 1, the short side of the back surface 11A ₂ corners, i.e., in the width direction of the back surface 11A ₂ Two legs 2 are provided at both corners. The through hole 11C has a stepped shape on the back surface 11A ₂ side of the base portion 1 and is large on the back surface 11A ₂ side. Thereby, a thin plate portion 11B is formed on the base portion 1 around the through hole 11C.

The leg portion 2 is for sandwiching the terminal block 100 (FIG. 15) together with the base portion 1, and includes an outer leg 21A, an inner leg 21B, and a spring 21C as shown in FIG. Rectangular outer legs 21A are formed integrally with respect to the base portion 1 so that the longitudinal direction thereof intersects the back surface 11A ₂ of the platform unit 1, and is made of an insulator. The outer legs 2, rectangular shaped cavity 21A ₁₁ is opened along its longitudinal direction, the opening 21A ₁₂ is formed on the end face 21A ₁ of the outer legs 21A by the cavity 21A _11. Inner leg 21B from the opening 21A ₁₂ is plugged into the cavity 21A _11. Inner leg 21B is able to move the cavity 21A ₁₁ in the longitudinal direction and the opposite direction of the outer leg 21A. The inner leg 21B is made of an insulator, and one end of each inner leg 21B is bent in an L shape so as to be parallel to each other, and the protruding portion 21B ₁ protrudes from the inner leg 21B so as to face the back surface 11A ₂ of the base _1. Is formed.

Spring 21C is mounted between the bottom of the other end and the cavity 21A ₁₁ of inner leg 21B. The spring 21C is normally contracted. As a result, the spring 21C are drawn toward the inner leg 21B in the bottom of the cavity 21A _11. When the contracted state spring 21C is shorter than the height H of the distance D is the terminal block 100 from the projecting portion 21B ₁ of the inner leg 21B to the back 11A ₂ of the platform unit 1 (FIG. 15), the spring 21C is expanded In the state, the distance D is longer than the height H of the terminal block 100.

  The contact portion 3 is in contact with the connection screw 121 of the connection tool 120 provided on the terminal block 100 (FIG. 15). As shown in FIG. 5, the contact portion main body 31A, the knob 31B, the contact 31C, And a movable portion 31D. The round bar-shaped contact portion body 31A is made of a conductive material such as metal, and has a knob 31B attached to one end and a contact 31C attached to the other end. The knob 31B is made of an insulating material and is turned by an operator's hand. The disk-shaped contact 31C is made of a conductive material such as metal and is formed integrally with the contact portion main body 31A. The contact 31C comes into contact with the connection screw 121 of the terminal block 100 (FIG. 15). For this reason, as the contact 31C, the center of the surface that contacts the connection screw 121 may be recessed. A male screw is cut on the outer wall surface of the contact portion main body 31A.

The movable portion 31D is made of a conductive material such as metal. The cylindrical movable part 31D has a through hole at the center, and a female screw is cut on the inner wall surface of the through hole. Thereby, the male screw of the contact portion main body 31A meshes with the female screw of the movable portion 31D, and by this meshing, when the knob 31B is turned, the contact 31C can be moved in the longitudinal direction of the contact portion main body 31A. As the movable portion 31D mate with thin portions 11B of the base part 1, part 31D ₁ cutout in the outer peripheral surface of the movable portion 31D is cut out is formed. Since the diameter of the movable portion 31D of the narrowed portion by forming a notch portion 31D ₁ is shorter than the width of the through hole 11C, the movable portion 31D that had fitted to thin portion 11B of the base portion 1, base portion 1 is movable in the longitudinal direction and the lateral direction.

In this embodiment, the movable part 31D is made of a conductive material such as metal, but in addition to this, a movable part 31D using an insulating material can also be used. In this case, for the portion forming the female screw of the movable portion 31D, be a metal bush 31D ₁₁ as shown in FIG. 6 is preferred because it prevents the wear of the movable portion 31D.

Next, a method of using the terminal block connection device according to this embodiment will be described. When an operator connects, for example, a cable from the measuring device 210 to the distribution line 204 among the distribution lines 201 to 204 connected to the connection tool 120 of the terminal block 100 (FIG. 15), the leg of the terminal block connection device is used. Pull the inner leg 21B from part 2, in a state of pulling the contact portion main body 31A of the contacting portion 32, the back surface 11A ₂ of the base portion 1 of the device for terminal blocks connected as shown in FIG. 7, the insulating wall 111, 113 Arrange to cover the end face. Thereafter, as shown in FIG. 8A, the terminal block 100 is sandwiched from the front side of the terminal block 100 by the protruding portion 21 </ b> B ₁ of the inner leg 21 </ b> B of the leg portion 2 and the base portion 1. At this time, the terminal block connection device is fixed to the terminal block 100 by the contracting force of the spring 21C of the leg 2 (not shown in FIG. 8). Next, as shown in FIG. 8B, the operator turns the knob 31 </ b> B of the contact portion 3 of the terminal block connection device to lower the contact portion main body 31 </ b> A, and the contact 31 </ b> C to the connection screw 121 of the connector 120. Hit it. At this time, if the position of the contact 31C is deviated from the connection screw 121, the operator moves the contact portion main body 31A by the movable portion 31D to adjust the position of the contact 31C. As a result, the contact portion main body 31 </ b> A is electrically connected to the distribution line 204. Thereafter, the operator connects the measuring instrument 210 to the terminal block connecting device with a cable clip sandwiched between the contact portion main body 31A located below the knob 31B.

  Thus, according to this embodiment, in a state where the distribution lines 201 to 204 are intertwined around the terminal block 100 (FIG. 15), a cable from a measuring instrument or the like is connected by directly holding a terminal of one distribution line with a clip. Compared with the case where it does, it is easier to pinch the contact part 3 in the state without a cable around with a clip, and workability | operativity is also good. Moreover, since the contact part main body 31A of the contact part 3 is round bar shape, a clip can be similarly pinched from any direction. Furthermore, since the contact part 3 is movable with respect to the base part 1, after fixing the terminal block connecting device to the terminal base 100, the position of the contact 31C is changed according to the position of the connection screw 121 of the terminal base 100. The contact 31C and the connection screw 121 can be reliably contacted with each other.

  In this embodiment, the cable from the measuring instrument or the like is connected to the contact part main body 31A with the contact part main body 31A sandwiched between the clips. However, an electric wire or the like is connected to the contact part main body 31A in advance and the electric wire or the like is clipped. It may be sandwiched between.

(Embodiment 2)
FIG. 9 shows a terminal block connecting device according to this embodiment. In this embodiment, components that are considered to be the same as or the same as those of the first embodiment described above are denoted by the same reference numerals, and the description thereof is omitted. The terminal block connection device of FIG. 9 is for connecting a U-shaped U terminal to the contact portion 3 of the first embodiment. For this reason, in this embodiment, a fixture 32A is provided between the knob 31B of the contact portion 3 and the movable portion 31D. The fixing tool 32A is made of an insulating material, and a cylindrical fixing tool 32A has a through hole at the center. Further, a female screw is cut on the inner wall surface of the through hole. Thereby, the fixing tool 32A engages with the contact portion main body 31A, and when the fixing tool 32A is rotated by this engagement, the fixing tool 32A can be moved in the longitudinal direction of the contact portion main body 31A.

  A method of using the terminal block connection device according to this embodiment will be described. As in the first embodiment, when an operator connects, for example, a cable from the measuring instrument 210 to the distribution line 204 in the distribution lines 201 to 204 connected to the connection tool 120 of the terminal block 100, FIG. As shown to (a), the terminal block 100 is pinched | interposed using the leg part 2 of the apparatus for terminal block connection. Next, as shown in FIG. 10B, the operator turns the fixture 32A to move upward, turns the knob 31B of the contact portion 3 of the terminal block connecting device to lower the contact portion main body 31A, and 31C is applied to the connection screw 121 of the connection tool 120. Thereafter, the operator inserts the U terminal 301 into the contact portion main body 31A.

  After the contactor 31C is brought into contact with the connection screw 121, the operator turns the fixing tool 32A and moves it downward as shown in FIG. 10C to bring the U terminal 301 into contact with the movable part 31D. The U terminal 301 is sandwiched between 32A and the movable portion 31D. Since the movable portion 31D is made of a conductive material, the U terminal 301 is electrically connected to the connection screw 121 via the movable portion 31D, the contact portion main body 31A, and the contact 31C.

  Thus, according to this embodiment, by providing the fixture 32A on the contact portion main body 31A of the contact portion 3, it is possible to connect the cable by the U terminal 301 and at the same time make the connection of the U terminal 301 firm. Can do.

(Embodiment 3)
An apparatus for connecting a terminal block according to this embodiment is shown in FIG. In this embodiment, components that are considered to be the same as or the same as those of the second embodiment described above are denoted by the same reference numerals, and the description thereof is omitted. The terminal block connecting device of FIG. 11 is for adjusting the expansion and contraction of the leg 2 according to the second embodiment with a screw. Therefore, in this embodiment, it is bored through hole 22A extending from the surface 11A ₁ of the outer leg 21A base portion 1 of the leg 2 to the cavity 21A _11. On the other hand, a through hole 22B is opened from the end surface along the longitudinal direction of the inner leg 21B, and a female screw is cut on the inner wall surface of the through hole 22B. Then, a screw 22C in which a male screw engaging with the female screw of the through hole 22B is cut into the through hole 22B through the through hole 22A.

Next, a method of using the terminal block connection device according to this embodiment will be described. When an operator connects, for example, a cable from the measuring instrument 210 to one of the distribution lines 201 to 204 connected to the connection tool 120 of the terminal block 100, the screw head of the screw 22C is turned to connect the terminal block. Pull the inner leg 21B from the leg portion 2 of the use device to place the rear surface 11A ₂ of the base portion 1 so as to cover the end surfaces of the insulating walls 111, 113. Thereafter, the screw head of the screw 22 </ b> C is turned to fix the terminal block 100 between the protruding portion 21 </ b> B ₁ of the inner leg 21 </ b> B of the leg portion 2 and the base portion 1. Thereafter, the operator turns the knob 31B to bring the connection screw 121 of the terminal block 100 into contact with the contact 31C, turns the fixing tool 32A to fix the U terminal of the cable, and connects the measuring device 210 to the terminal block connecting device. Connect to.

  According to this embodiment, since the leg part 2 is fixed to the terminal block 100 using the screw 22C, it is possible to make the attachment of the terminal block connecting device to the terminal block 100 firm.

(Embodiment 4)
FIG. 12 shows the contact portion 3 of the terminal block connection device according to this embodiment. In this embodiment, components that are considered to be the same as or the same as those of the first embodiment described above are denoted by the same reference numerals, and the description thereof is omitted. The contact portion 3 used in this embodiment is in contact with the connection screw 121 of the connection tool 120 provided on the terminal block 100 (FIG. 15) by magnetic force. The contact portion main body 33A, the embodiment The same knob 33B as the first knob 31B, a contact 33C, and a movable portion 33D are provided. The round bar-shaped contact portion body 33A is made of a conductive material such as metal, and has a knob 33B attached to one end and a contact 33C attached to the other end. The disc-shaped contact 33C is formed integrally with the contact portion main body 33A and is magnetized. Thereby, the contactor 33 </ b> C attracts and contacts the connection screw 121 of the terminal block 100. For this reason, as the contactor 33C, the center of the surface that contacts the connection screw 121 may be recessed.

The movable portion 33D is made of a conductive material such as metal. The movable portion 31D has a through-hole through which the contact portion main body 33A can move. Thus, when the knob 33B is held up and down, the contact portion main body 33A similarly moves up and down. The movable portion 33D is formed with a cutout portion 33D ₁ similar to that of the first embodiment.

  Next, a method of using the terminal block connection device according to this embodiment will be described. When the operator connects, for example, a cable from the measuring instrument 210 to one of the distribution lines 201 to 204 connected to the connection tool 120 of the terminal block 100 (FIG. 15), with the knob 33B raised, The terminal block connecting device is fixed with the terminal block 100 sandwiched between the leg portions 2 (not shown in FIG. 12). Thereafter, when the operator removes the knob 33B from the hand, the connection screw 121 of the terminal block 100 and the contact 33C are attracted and brought into contact with each other by magnetic force, and the contact portion main body 33A is electrically connected to the distribution line of the terminal block 100. The Then, the operator connects the measuring device 210 to the terminal block connecting device with a cable clip sandwiched between the contact portion main body 33A located below the knob 33B.

  Thus, according to this embodiment, the magnetized contact 33C strengthens the contact with the connection screw 121 of the terminal block 100 (FIG. 15), and the time is shorter than the case where the contact portion main body 33A is rotated and moved. Allows you to make a connection.

(Embodiment 5)
FIG. 13 shows a terminal block connection device according to this embodiment. In this embodiment, components that are considered to be the same as or the same as those of the second embodiment described above are denoted by the same reference numerals, and the description thereof is omitted. The terminal block connection device of FIG. 13 is provided with a plurality of contact portions 3 between the leg portions 2 of the second embodiment. Therefore, in this embodiment, the elongated plate body 11A ₁₁ in the width direction compared to the plate body 11A that is used in the base unit 1 according to the first embodiment is used. In the width direction of the plate body 11A ₁₁ , as in the second embodiment, through holes 11C each having a thin plate portion 11B formed therein are opened. And the contact part 3 similar to Embodiment 2 is installed in each through-hole 11C.

Next, a method of using the terminal block connection device according to this embodiment will be described. When an operator connects, for example, a cable from the measuring instrument 210 to all of the cables 201 to 204 connected to the connection tool 120 of the terminal block 100 (FIG. 15), the inner leg extends from the leg 2 of the terminal block connecting device. Pull the 21B, as the plate main body 11A ₁₁ of the terminal block connection system covers the end face of the insulating wall 111, 113 in a state of pulling the contact portion main body 31A of the contacting portion 32, and the contact portions to each connector 120 3 as is located, place the terminal block connecting device, sandwiching the terminal block 100 in the projecting portion 21B ₁ and the plate body 11A ₁₁ of inner leg 21B of the leg 2. Next, the worker connects the U terminal to each contact portion 3 of the terminal block connecting device as in the second embodiment.

  According to this embodiment, when one terminal block connection device is attached to the terminal block 100 (FIG. 15), it is possible to connect a plurality of cables from measuring instruments or the like to the terminals of the terminal block 100, respectively. is there.

(Embodiment 6)
FIG. 14 shows an apparatus for connecting a terminal block according to this embodiment. In this embodiment, components that are the same as or the same as those in the fifth embodiment described above are denoted by the same reference numerals, and description thereof is omitted. In the terminal block connecting device of FIG. 14, the leg 2 fixes the terminal block 100 (FIG. 15) from the width direction. Therefore, in this embodiment, the leg portions 2 of the fifth embodiment, so as to face the protruding portion 21B ₁ of the inner leg 21B each other, to form a projecting portion 21B ₁ in the width direction of the plate main body 11A ₁₁ Yes.

  Next, a method of using the terminal block connection device according to this embodiment will be described. This terminal block connection device is used for the terminal block 100 (FIG. 15) provided with four connection tools 120, and the operator connects all of the cables 201 to 204 connected to the connection tool 120 of the terminal block 100. For example, when connecting a cable from a measuring instrument, the leg 2 widens the terminal block 100 in a state where the inner leg 21B is pulled out from the leg 2 of the terminal block connecting device and the contact section main body 31A of the contact section 3 is pulled up. The terminal block connection device is attached so as to be sandwiched from the direction, that is, so that the leg 2 is positioned on the side surface of the terminal block 100. Thereafter, the worker connects the U terminal to each contact portion 3 of the terminal block connecting device, as in the second embodiment.

  According to this embodiment, since the leg 2 holds the terminal block 100 from the side surface of the terminal block 100, the terminal block connecting device can be securely fixed to the terminal block 100 (FIG. 15). it can. In addition, since no distribution line is connected to the side surface of the terminal block 100, it is easy to fix the terminal block connection device to the terminal block 100.

  As mentioned above, although each embodiment of this invention has been described in detail, the specific configuration is not limited to these embodiments, and even if there is a design change or the like without departing from the scope of this invention. Are included in the present invention. For example, in the third embodiment, the second embodiment is taken as an example, but the first embodiment can of course be applied to the third embodiment, and in the fifth and sixth embodiments, the second embodiment is taken as an example. However, it is needless to say that the first, third, and fourth embodiments can be applied to the fifth and sixth embodiments.

1 is a perspective view showing a terminal block connection device according to Embodiment 1. FIG. It is a front view of the apparatus for terminal block connection of FIG. It is a side view of the apparatus for terminal block connection of FIG. It is sectional drawing which shows a leg part. It is sectional drawing which shows the II cross section of FIG. It is sectional drawing which shows the other example of a movable part. It is a figure explaining the usage method of the terminal block connection apparatus by Embodiment 1. FIG. It is a figure explaining the usage method of the terminal block connection apparatus by Embodiment 1, FIG. 8 (a) is a figure which shows the state which raised the contact part main body, FIG.8 (b) is the state which lowered | hung the contact part main body. FIG. It is a perspective view which shows the terminal block connection apparatus by Embodiment 2. FIG. It is a figure explaining the usage method of the terminal block connection apparatus by Embodiment 2, FIG. 10 (a) is a figure which shows the state which raised the contact part main body, FIG.10 (b) is the state which lowered | hung the contact part main body. FIG. 10C is a diagram showing the connection of the U terminal. It is a front view of the terminal block connection apparatus by Embodiment 3. It is sectional drawing which shows the cross section of the contact part of the apparatus for terminal block connection by Embodiment 4. It is a perspective view which shows the apparatus for terminal block connection by Embodiment 5. FIG. It is a front view which shows the terminal block connection apparatus by Embodiment 6. FIG. It is a front view which shows an example of a terminal block, Fig.15 (a) is a front view, FIG.15 (b) is a top view. It is a top view which shows the connection with respect to the terminal block of CT circuit. It is a top view which shows the connection at the time of the test with respect to the terminal block of CT circuit.

Explanation of symbols

1 stand 11A, 11A ₁₁ plate main body 11A ₁ surface 11A ₂ back 11B thin plate portion 11C through hole 2 leg (stopper)
21A Outer leg 21A ₁ End face 21A ₁₁ Cavity 21A ₁₂ Opening 21B Inner leg 21B ₁ Protruding part 21C Spring (elastic body)
3 Contact part 31A, 33A Contact part main body (contact body)
31B, 33B Knob 31C, 33C Contactor 31D, 33D Movable part (holding body)
31D ₁ , 33D ₁ Notch portion 31D ₁₁ Metal bush 32A Fixing tool 22A, 22B Through hole 22C Screw

Claims (5)

A plurality of plate-shaped terminal block main bodies provided in the width direction on the surface side and connecting a cable terminal disposed on the front side of the terminal block main body, provided on the surface of the terminal block main body and each of the above A terminal block connection device used for a terminal block comprising an insulating wall for partitioning a connection tool,
A plate-shaped plate body, and a base formed by at least one through-hole extending from the surface of the plate body to the back surface;
It is formed by a conductive rod-shaped contact body that penetrates each through hole of the base portion, and a holding body that holds the contact body in the base portion so as to be movable in a direction intersecting the plate body. A contact portion;
A stopper that is provided on the back surface of the plate body of the base part and holds the terminal block together with the plate body;
The through hole is disposed so as to face the connection tool of the terminal block and is held by the terminal block by the stopper, and is electrically connected to the connection tool of the terminal block by the contact body ,
The stop is
An outer leg provided on the back side of the plate body and arranged to be located on the front side of the terminal block;
An inner leg provided with a projecting portion provided so as to be able to be taken in and out with respect to the outer leg, and projecting so as to face the plate body;
An elastic body that draws the inner leg portion toward the outer leg portion;
Terminal block connection system, characterized in that it comprises a. 2. The terminal block connection device according to claim 1 , wherein the outer leg portion is disposed on a back surface of the plate body so as to be positioned on a side surface of the terminal block. 3. The terminal block connection device according to claim 1, wherein the holding body holds the contact body so as to be movable by meshing the contact body with a screw. 4. The terminal block connection device according to claim 3 , further comprising: a fixture that engages with a screw at a portion of the contact body protruding from the surface of the plate body. 5. The terminal block connection device according to claim 1 , wherein the holding body is provided so as to be able to move the plate main body. 6.

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