JP2008021457A - Terminal block - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To eliminate the contact failure of a terminal without causing any cost increase to maintain high reliability, in a terminal block. <P>SOLUTION: This terminal block 20 is equipped with a fastening body 40 composed of terminals 22, 23, a washer 24, and a nut 25 and a bolt 26 which directly or indirectly hold the terminals 22, 23 and the washer 24 abutting each other between their fastening sides and fasten the terminals 22, 23 and the washer 24 by getting engaged with each other, and a resin base part 21 having a first insertion hole 31 to be inserted with the nut 25, a first locking part 31a which is formed in the insertion hole 31 and on which a part of the fastening side 25b of the nut 25 abuts, a second insertion hole 32 formed in a portion opposite to the first insertion hole 31 while communicating with the first insertion hole 31 and to be inserted with the washer 24, and a second locking part 32a which is formed in the second insertion hole 32 and on which a part of the abutting side 24b of the washer 24 abutting on the fastening side of the nut 25 abuts. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a terminal block in which terminals constituting an electric wire are attached to a base portion by screwing first and second fastening parts.

As this type of terminal block, one shown in Patent Document 1 is known. As shown in FIG. 1-3 of Patent Document 1, in the terminal block, the bolt 8 is fastened and fixed to the nut 12 embedded in the terminal block 11, and at least a pair of terminals 18 and 19 are fixed by screwing. At the same time, a rotation stopper 18 a provided on one terminal 18 of at least one of the pair of terminals 18 and 19 is inserted and locked into the terminal rotation prevention hole 13 formed in the terminal block 11. A terminal rotation stop hole 13 is formed so as to be in contact with the nut 12, and the rotation stop of one terminal 18 is made contactable with the nut 12. The nut 12 and the bolt 8 are the first and second fastening parts.
Japanese Patent Laid-Open No. 11-144783

  In the terminal block described in Patent Document 1, a metal nut 12 is insert-molded in advance on a synthetic resin terminal block 11, and the terminal is sandwiched between the nut 12 and the bolt 8, so that the contact surface pressure is long-term. Highly reliable. However, since a mold for insert molding is required, the cost is increased. In order to avoid this, it is conceivable that the metal nut 12 is used in a single state without insert molding, and the terminal block 11 and the terminals 18 and 19 are sandwiched between the metal nut 12 and the bolt 8. However, when the terminal block 11 is made of synthetic resin, the terminal block 11 is made of synthetic resin, which causes creep (a phenomenon in which plastic deformation of an object increases with time under a certain stress). There was a risk of contact surface pressure drop and terminal contact failure. As the tightening torque of the metal nut 12 and the bolt 8 is larger, the higher the temperature is, the faster the deformation is.

  The present invention has been made to solve the above-described problems, and an object of the present invention is to maintain high reliability in a terminal block by eliminating a contact failure of a terminal without increasing the cost.

  In order to solve the above-described problems, the structural feature of the invention according to claim 1 is that the at least one pair of terminals constituting the electric wire and formed of a metal material and the terminals in contact with each other are directly or indirectly on the fastening surface. A fastening body including at least a first fastening part and a second fastening part that fasten the terminal by engaging with each other, a first insertion hole into which the first fastening part is inserted, and a first insertion hole And a first locking portion that is in contact with a part of the fastening surface of the first fastening part, and is formed to communicate with the first insertion hole at a site opposite to the first insertion hole. A second insertion hole into which the portion is inserted, and a second locking portion formed in the second insertion hole and in contact with a part of the surface of the fastening body that contacts the fastening surface of the first fastening component. And a base part.

  The structural feature of the invention according to claim 2 is that, in claim 1, the fastening body further includes a plate-like member formed of a metal material that contacts the fastening surface of the first fastening component. A part of the contact surface with the first fastening component is in contact with the second locking portion.

  The structural feature of the invention according to claim 3 is that, in claim 2, the plate-like member is formed so as to protrude from the second fastening component and the terminal in a state of being a fastening body.

  The structural feature of the invention according to claim 4 is that, in any one of claims 1 to 3, the first and second fastening parts are engaged with each other by being screwed together. The first fastening part and the first insertion hole are formed so that the first fastening part does not rotate around the axis when the first fastening part and the second fastening part are screwed together.

  A structural feature of the invention according to claim 5 is that, in any one of claims 1 to 4, the first insertion hole has a fastening allowance for the first fastening component.

  The structural feature of the invention according to claim 6 is that, in any one of claims 1 to 4, the second insertion hole has an allowance for a plate-like member or a terminal.

  In the invention according to claim 1 configured as described above, when the pair of terminals are attached to the base portion by fastening the first and second fastening parts, the terminals abut against each other, and the terminals are in contact with each other. The 1st and 2nd fastening components which contact | abut also contact | abut mutually. In the fastening body fastened in this way, the first locking portion of the base portion abuts a part of the fastening surface of the first fastening component and the second locking portion contacts the fastening surface of the first fastening component. It only abuts a part of the surface of the fastening body that comes into contact. Therefore, when a force is applied in the fastening direction to fasten the first and second fastening parts, the force is transmitted from the second fastening part (or the first fastening part) to the first fastening part (or the first fastening part) via the terminal. 2 fastening parts) and hardly transmitted to the base. As a result, even if the base part is made of resin, creep does not occur, and contact surface pressure drop and consequently contact failure of the terminal can be eliminated. And high reliability can be maintained.

  Further, in the fastening body, the first locking portion of the base portion abuts a part of the first fastening component, so that it is positioned and fixed without coming off to the second fastening component side, and the second locking of the base portion. Since the portion comes into contact with a part of the fastening body, it is positioned and fixed without coming off to the first fastening component side. Therefore, the fastening body is securely and firmly fixed to the base portion and does not come off.

  In the invention which concerns on Claim 2 comprised as mentioned above, in Claim 1, a fastening body further has the plate-shaped member formed with the metal material contact | abutted to the fastening surface of 1st fastening components, and is plate-shaped. Part of the contact surface of the member with the first fastening part contacts the second locking portion. Thus, when the plate-like member and the terminal are attached to the base portion by fastening the first and second fastening parts, the plate-like member and the terminal are in contact with each other, and the first and second fastening parts are in contact with each other. Also come into contact with each other. In the fastening body thus fastened, the first locking portion of the base portion abuts against a part of the first fastening component and the second locking portion only abuts against a part of the plate-like member. . Therefore, when a force is applied in the fastening direction to fasten the first and second fastening parts, the force is transmitted from the second fastening part (or the first fastening part) to the terminal and the plate-like member for the first fastening. It is transmitted to the part (or the second fastening part) and hardly transmitted to the base part. Therefore, the same effect as described above can be obtained.

  In the invention which concerns on Claim 3 comprised as mentioned above, in the invention which concerns on Claim 1, a plate-shaped member is formed so that it may protrude with respect to a 2nd fastening component and a terminal in the state used as the fastening body. Therefore, the plate-like member can be easily visually recognized when the plate-like member and the terminal are attached to the base portion by fastening the first and second fastening parts or after the attachment.

  In the invention according to claim 4 configured as described above, in the invention according to claim 1 or claim 3, the first and second fastening parts are engaged with each other by screwing, Since the first fastening part and the first insertion hole are formed in such a shape that the first fastening part does not rotate around the axis when the first fastening part and the second fastening part are screwed together, the first and second fastening parts When the components are screwed together, the first fastening component can be easily prevented from rotating.

  In the invention according to claim 5 configured as described above, in the invention according to any one of claims 1 to 4, the first insertion hole has a tightening allowance for the first fastening component. Assembling performance can be improved by temporarily fastening the fastening part to the first insertion hole.

  In the invention according to claim 6 configured as described above, in the invention according to any one of claims 1 to 4, the second insertion hole has a tightening margin for the plate-like member or the terminal. Assemblability can be improved by temporarily fixing the shaped member or the terminal to the second insertion hole.

  Hereinafter, an embodiment of a terminal block according to the present invention will be described with reference to the drawings. 1 is a side view showing the terminal block, FIG. 2 is an assembled perspective view of the terminal block, and FIG. 3 is a bottom view of the base section. In FIG. 2, a mounting portion (for example, a mounting hole) for mounting the column 11 is omitted, and the illustrated left portion of the base portion 21 is also omitted.

  The terminal block 20 is attached to the housing 10 via a column 11. The terminal block 20 is attached to the column 11 by screw fixing or the like. The housing 10 is a housing that houses, for example, a motor (not shown), and the terminal block 20 functions as an electrical relay point between an electric wire from an external power source (not shown) and an electric wire to the motor.

  The terminal block 20 includes a base portion 21, terminals 22, 23, a washer 24 that is a plate-like member, nuts 25 and bolts 26 that are first and second fastening parts.

  The base portion 21 is made of a resin, for example, a synthetic resin (specifically, made of plastic) and is formed in an elongated plate shape. The base part 21 has insulation. As shown in FIG. 2, a first insertion hole 31 into which the nut 25 is inserted is formed in the lower surface 21 a that is one surface of the base portion 21. The first insertion hole 31 is formed in a shape (hexagon in this embodiment) that substantially matches the shape of the nut 25 (hexagon in this embodiment). That is, the nut 25 and the first insertion hole 31 are formed in such a shape that the nut 25 does not rotate around the axis when the nut 25 and the bolt 26 are screwed together. In addition, as long as these shapes restrict the rotation around the axis, the shape does not need to coincide with the shape of the nut 25. For example, the shape includes a portion that contacts a pair of opposite sides of the nut 25. What is necessary is just to form. Further, the nut 25 is formed in a circular shape to form an engaging convex portion (or engaging concave portion), and an engaging concave portion (or engaging convex portion) that engages with the engaging convex portion is formed in the first insertion hole 31. May be.

  A first locking portion 31 a is formed in the first insertion hole 31. The first locking portion 31a is in contact with a part of the nut 25 (in this embodiment, the corner of the nut) 25b, that is, a part of the fastening surface (upper surface in the present embodiment) of the nut 25 with which the washer 24 contacts. Abut. Thereby, it can prevent that the fastening body 40 falls out to the volt | bolt 26 side.

  Further, as shown in FIG. 3, a tightening margin 31 b for the nut 25 is formed in the first insertion hole 31. The fastening allowance 31 b is, for example, protruded from a pair of inner wall surfaces facing each other, and is set to be larger than the clearance between the nut 25 and the first insertion hole 31. Thereby, the nut 25 can be press-fitted into the first insertion hole 31 and the nut 25 can be fitted into the first insertion hole 31.

  As shown in FIG. 2, on the upper surface 21 b opposite to the lower surface 21 a of the base portion 21, a part of the fastening body 40 (in the present embodiment, the washer 24) is provided at a portion opposite to the first insertion hole 31. ) Is inserted, a second insertion hole 32 is formed. The second insertion hole 32 is formed so as to communicate with the first insertion hole 31. The depth of the second insertion hole 32 is set to be the same as or slightly shallower or slightly deeper than the height of the washer 24. When setting to be slightly deeper, it is necessary to prevent the bus bar 13 (or the terminal 23) from coming into contact with the peripheral edge of the opening of the second insertion hole 32 by bending the bus bar 13 or the like. Further, when setting so as to be slightly shallower, it is necessary to have a depth that prevents the washer 24 from being rotated together with the bolt 26 and damaging the second insertion hole 32 when the nut 25 and the bolt 26 are screwed together. .

  Further, the second insertion hole 32 is formed in a U shape having a portion where at least the sides of the washer 24 coincide. That is, the washer 24 is formed in a shape that does not rotate about the axis when the nut 25 and the bolt 26 are screwed together. Thus, when the nut 25 and the bolt 26 are screwed together, the washer 24 can be prevented from being rotated together with the bolt 26 and can be positioned at a predetermined position (at a predetermined angle).

  A second locking portion 32 a is formed in the second insertion hole 32. The second locking portion 32a is in contact with a part of the washer 24 (the long-diameter end portion in this embodiment) 24b, that is, the surface of the fastening body 40 that is in contact with the fastening surface of the nut 25 (in this embodiment, the washer 24). A part of the abutting surface (lower surface). Thereby, it can prevent that the fastening body 40 slips out to the nut 25 side. A part 24b of the washer 24 and a part 25b of the nut 25 are protruding portions as seen from the axial direction of the washer 24 and the nut 25 that are in contact with each other.

  Further, as shown in FIG. 3, a tightening margin 32 b for the washer 24 is formed in the second insertion hole 32. The fastening allowance 32b is, for example, protruded from a pair of inner wall surfaces facing each other, and is set to be larger than the clearance between the washer 24 and the second insertion hole 32. Thereby, the washer 24 can be press-fitted into the second insertion hole 32 and the washer 24 can be fitted into the second insertion hole 32.

  The terminal 22 is a terminal fixed to one end of the electric wire 12 connected to a power source (not shown) (for example, a positive electrode of a battery) outside the housing 10. That is, the terminal 22 constitutes the electric wire 12. The terminal 22 is made of a metal material. The terminal 22 includes a terminal portion 22a formed in a substantially annular disk shape and having a through hole 22a1, and a caulking portion 22b that extends from the terminal portion 22a and to which the electric wire 12 is fixed.

  The terminal 23 is a terminal portion that is formed at the front end of the bus bar 13 that is an electric wire connected to a motor (not shown) inside the housing 10 and has a through hole 23a. That is, this terminal 23 constitutes the bus bar 13 which is an electric wire. The bus bar 13 is made of a metal material and has a long and narrow plate shape.

  The washer 24 is a plate-like member that is formed of a metal material into an oval shape and has a through hole 24a. The washer 24 is formed in a shape and size (wideness) so as to protrude from the axial direction with respect to the head 26b of the bolt 26 and the terminals 22 and 23 in a state of being a fastening body. Thereby, when attaching the washer 24 and each terminal 22 and 23 to the base part 21 by fastening of the nut 25 and the volt | bolt 26, the washer 24 can be visually recognized easily.

  The washer 24 is set wider (larger) than the terminal 23 that contacts the washer 24 (the terminal 22 when the order of the terminals 22 and 23 is opposite to that of the present embodiment). Thereby, it is possible to secure the maximum pressure receiving area for transmitting the axial force applied in the axial direction to the terminals 22 and 23 when the nut 25 and the bolt 26 are tightened.

  The nut 25 and the bolt 26 are first and second fastening parts that fasten the terminals 22 and 23 and the washer 24 by engaging (screwing) with each other. The nut 25 and the bolt 26 sandwich the terminals 22 and 23 and the washer 24 that are in contact with each other directly or indirectly between the fastening surfaces. That is, the fastening surface of the nut 25 is in contact with the washer 24, the fastening surface of the bolt 26 is in contact with the terminal 22, and the terminal 23 is in contact between the washer 24 and the terminal 22. A fastening surface is a surface which contacts the fastening object (a terminal, a plate-shaped member) of a 1st or 2nd fastening component. Direct pinching means pinching in a state of being in direct contact with the fastening surface of the nut 25 or the bolt 26 (in this embodiment, the terminal 22 and the washer 24 are applicable). Moreover, indirectly pinching is pinching in the state which does not contact | abut directly to the fastening surface of the nut 25 or the volt | bolt 26 (in this embodiment, the terminal 23 corresponds).

  The nut 25 has a polygonal shape (for example, a hexagonal shape and a quadrangular shape), and has an opening 25a in which a female screw is formed at the center. The bolt 26 includes a shaft portion 26a on which a male screw to be screwed with the female screw of the nut 25 is formed, and a head portion 26b formed in a polygonal (for example, hexagonal, quadrangular) shape. Both the nut 25 and the bolt 26 are made of a metal material.

  The fastening body 40 is an integral structure formed by fastening the terminals 22 and 23 and the washer 24 by screwing with the nut 25 and the bolt 26 as described above. At this time, these members 22 to 26 are in contact with adjacent members. Further, a part 24b of the washer 24 is in contact with the second locking part 32a, and a part 25b of the nut 25 is in contact with the first locking part 31a.

  Next, the assembly of the terminal block 20 configured as described above will be described. The case where the nut 25 and the bolt 26 are screwed after the base portion 21 is fixed to the column 11 will be described. First, before fixing the base portion 21 to the support column 11, the nut 25 is press-fitted into the first insertion hole 31 of the base portion 21 and fitted into the base portion 21. Thereby, even if the lower surface 21 a of the base portion 21 is directed downward, the nut 25 does not fall from the first insertion hole 31. Next, the base portion 21 is fixed to the column 11.

  Then, the washer 24 is press-fitted into the second insertion hole 32 formed in the upper surface 21 b of the base portion 21 and is fitted to the base portion 21. Then, after the terminals 23 and 22 are placed in order on the upper surface of the washer 24, the shaft portion 26a of the bolt 26 is inserted into the through holes 22a1 and 23a24a and fitted into the opening portion 25a of the nut 25. Tighten and tighten 25. When a force is applied in the fastening direction (the axial direction of the bolt 26) to fasten the bolt 26 and the nut 25 at the time of fastening, the force is transmitted from the bolt 26 to the terminal 22, the terminal 23, and the washer 24, and the nut. 25 to the base 21 is hardly transmitted.

  In addition, after fixing the base part 21 to the support | pillar 11 after screwing together the nut 25 and the volt | bolt 26, the process of press-fitting the nut 25 in the 1st insertion hole 31 is the washer 24, the terminals 23 and 22, and the volt | bolt 26. It may be after being installed at a predetermined position.

  As is clear from the above description, according to the present embodiment, the washer 24 and the terminals 22 and 23 that are plate-like members are connected to the base portion 21 by fastening the nut 25 and the bolt 26 that are the first and second fastening parts. Are attached to each other in this order, the fastening surface of the bolt 26 is in contact with the terminal 22, and the fastening surface of the nut 25 is in contact with the washer 24. In the fastening body 40 thus fastened, the first locking portion 31 a of the base portion 21 comes into contact with a part 25 b of the nut 25 and the second locking portion 32 a comes into contact with a part 24 b of the washer 24. Only. Therefore, when a force is applied in the fastening direction (the axial direction of the bolt 26) to fasten the bolt 26 and the nut 25, the force is applied from the bolt 26 (or the nut 25) to the terminal 22, the terminal 23, and the washer 24 (or It is transmitted to the nut 25 (or bolt 26) through the washer 24, the terminal 23, and the terminal 22) and hardly transmitted to the base portion 21. As a result, even if the base portion 21 is made of resin, creep does not occur, and contact surface pressure drop and thus contact failure between the terminals 22 and 23 can be eliminated. Therefore, it is possible to maintain high reliability by eliminating contact failure of terminals.

  Moreover, since the 1st latching | locking part 31a of the base part 21 contact | abuts with the part 25b of the nut 25, it can prevent that the fastening body 40 falls out to the volt | bolt 26 side. Therefore, there is no need for insert molding as in the prior art, and the terminal block 20 can be manufactured at low cost.

  Further, in the fastening body 40, the first locking portion 31 a of the base portion 21 is in contact with a part 25 b of the nut 25, so that it is positioned and fixed without coming off to the bolt 26 side, and the second engagement of the base portion 21. Since the stop portion 32a comes into contact with a part 24b of the washer 24, the stopper 32a is positioned and fixed without coming off the nut 25 side. Therefore, the fastening body 40 is securely and firmly fixed to the base portion 21 and does not come off.

  Further, the nut 25 and the bolt 26 are engaged with each other by screwing, and the nut 25 and the first insertion hole 31 are arranged around the axis when the nut 25 and the bolt 26 are screwed together. Since it is formed in a shape that does not rotate, the nut 25 can be easily prevented from rotating when the nut 25 and the bolt 26 are screwed together.

  Moreover, since the 1st insertion hole 31 has the interference allowance 31b with respect to the nut 25, the nut 25 can be temporarily fixed to the 1st insertion hole 31, and an assembly property can be improved. Moreover, since the 2nd insertion hole 32 has the interference allowance 32b with respect to the washer 24, the washer 24 can be temporarily fixed to the 2nd insertion hole 32, and an assembly property can be improved.

  In the above-described embodiment, the first and second fastening parts are the nut 25 and the bolt 26, respectively. However, the first and second fastening parts may be the bolt 26 and the nut 25, respectively. In this case, for example, the head portion 26b of the bolt 26 may be circular and a locking portion may be provided at the tip of the shaft portion 26a. When tightening, the nut 25 may be tightened while the locking portion of the bolt 26 is locked.

  Further, in the above-described embodiment, the fastening body 40 includes the terminals 22 and 23, the washer 24, the nut 25, and the bolt 26, but the washer 24 may not be provided. In this case, a part 25b of the fastening surface of the nut 25 with which the terminal 23 (or the terminal 22) contacts is in contact with the first locking portion 31a. A part of the contact surface of the terminal 23 with which the nut 25 contacts is in contact with the second locking portion 32a. In this case, it is desirable that the portion inserted into the second insertion hole 32 of the terminal has the same specification as the shape of the washer 24 described above.

  According to this, when the pair of terminals 22 and 23 are attached to the base portion 21 by fastening the nut 25 and the bolt 26 which are the first and second fastening parts, the terminals 22 and 23 come into contact with each other, and the bolt The fastening surface 26 is in contact with the terminal 22, and the fastening surface of the nut 25 is in contact with the terminal 23. In the fastening body 40 thus fastened, the first locking portion 31a of the base portion 21 comes into contact with a part 25b of the fastening surface of the nut 25 and the second locking portion 32a is on the fastening surface of the nut 25. It only abuts a part of the surface of the terminal 23 which is a part of the surface of the fastening body that abuts. Therefore, when a force is applied in the fastening direction to fasten the nut 25 and the bolt 26, the force is transmitted from the bolt 26 (or nut 25) to the nut 25 (or bolt 26) via the terminals 22 and 23. The base 21 is hardly transmitted. As a result, even if the base portion 21 is made of resin, creep does not occur, and the contact surface pressure drop and thus the contact failure of the terminal can be eliminated. High reliability can be maintained without contact failure.

  Further, in the fastening body 40, the first locking portion 31 a of the base portion 21 is in contact with a part 25 b of the nut 25, so that it is positioned and fixed without coming off to the bolt 26 side, and the second engagement of the base portion 21. Since the stop 32a comes into contact with a part of the terminal 22 which is a part of the fastening body, it is positioned and fixed without coming off to the nut 25 side. Therefore, the fastening body 40 is securely and firmly fixed to the base portion 21 and does not come off.

  In the above-described embodiment, the first and second fastening parts are fastened by screwing. However, other methods such as caulking (crimping) may be used as long as they can be fastened.

  In the above-described embodiment, the washer 24 is brought into contact with the nut 25 and the terminal 23 is brought into contact with the washer 24. However, the terminal 23 is brought into contact with the nut 25 in a different order. The washer 24 may be brought into contact with the terminal 23. In this case, a part of the fastening surface of the nut 25 with which the terminal 23 (or the terminal 22) contacts is in contact with the first locking portion 31a. A part of the contact surface of the terminal 23 with which the nut 25 contacts is in contact with the second locking portion 32a.

  In the above-described embodiment, the washer 24 and the terminal 23 are separate bodies, but the terminal 23 and the washer 24 may be integrated. Further, the terminals 22 and 23 and the washer 24 may be integrated. In the above embodiment, the terminals 22 and 23 and the washer 24 are separate from each other, because the length and wiring state of the wires 12 and 13 may differ depending on the vehicle type (model). It is.

  In the embodiment described above, the terminals fastened to the base portion 21 are the pair of terminals 22 and 23, but may be one terminal (when grounding) or three or more terminals (one When connecting to two or more suppliers from a power source).

It is a side view which shows the terminal block by this invention. It is a perspective view which shows the assembly of the terminal block by this invention. It is a bottom view which shows the base part shown in FIG. 1 and FIG.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 10 ... Housing, 11 ... Support | pillar, 12 ... Electric wire, 13 ... Bus bar (electric wire), 20 ... Terminal block, 21 ... Base part, 22, 23 ... Terminal, 24 ... Washer (plate-shaped member), 24b ... One of the washers , 25 ... nut (first fastening part), 25 b ... part of the nut, 26 ... bolt (second fastening part), 31 ... first insertion hole, 31 a ... first engagement part, 31 b ... fastening allowance, 32 ... 2nd insertion hole, 32a ... 2nd engaging part, 32b ... Fastening allowance, 40 ... Fastening body.

Claims (6)

At least a pair of terminals (22, 23) formed of a metal material to constitute the electric wires (12, 13);
A fastening body including at least first and second fastening parts (25, 26) that clamp the terminals by directly or indirectly sandwiching the terminals in contact with each other and engaging the terminals with each other. 40)
A first insertion hole (31) into which the first fastening component is inserted;
A first locking portion (31a) formed in the first insertion hole and in contact with a part of a fastening surface of the first fastening component;
A second insertion hole (32) formed in communication with the first insertion hole at a portion opposite to the first insertion hole and into which a part of the fastening body is inserted;
A resin base portion (21) having a second locking portion (32a) formed in the second insertion hole and in contact with a part of the surface of the fastening body that contacts the fastening surface of the first fastening component. And a terminal block.   In Claim 1, The said fastening body further has the plate-shaped member (24) formed with the metal material contact | abutted to the fastening surface of the said 1st fastening component, and with the said 1st fastening component of the said plate-shaped member. A terminal block, wherein a part of the contact surface comes into contact with the second locking portion.   The terminal block according to claim 2, wherein the plate-like member is formed so as to protrude from the second fastening component and the terminal in a state of being the fastening body.   4. The method according to claim 1, wherein the first and second fastening parts are engaged with each other by screwing, and the first fastening part and the first insertion hole are in the first position. A terminal block, wherein the first fastening part is formed in a shape that does not rotate around an axis when the first fastening part and the second fastening part are screwed together.   The terminal block according to any one of claims 1 to 4, wherein the first insertion hole has a fastening allowance (31b) for the first fastening component.   5. The terminal block according to claim 1, wherein the second insertion hole has a fastening margin (32 b) with respect to the plate-like member or the terminal. 6.

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