JP7042993B1 - Terminal block device - Google Patents

Abstract

The terminal block device (1) is provided in the terminal block (2) and the insertion hole (20) in which a plurality of insertion holes (20) and a support surface (21) adjacent to the edge of the insertion hole (20) are formed. The inserted portion (30) to be inserted and the supported portion (21) arranged outside the insertion hole (20) with the insertion portion (30) inserted into the insertion hole (20) and in contact with the support surface (21). The cover (4) fixed to the terminal block (2) by contacting the plurality of crimp terminals (3) having the 31) and the surface of the supported portion (31) facing the side opposite to the support surface (21). ) And.

Description

The present disclosure relates to a terminal block device including a terminal block.

Conventionally, terminal block devices used for connecting, branching, relaying, etc. of electric wires are known. For example, Patent Document 1 discloses a terminal block device including a terminal block and a cover.

Inside the terminal block disclosed in Patent Document 1, a terminal accommodating chamber for accommodating terminals is formed. An electric wire is connected to the terminal. On the outer peripheral wall of the terminal block, a locking hole is formed to communicate the terminal accommodating chamber and the outside of the terminal block. The cover is formed with a terminal presser plate that can be inserted into the locking hole. In the terminal block device disclosed in Patent Document 1, after inserting the terminal into the terminal accommodating chamber, the terminal is moved to a regular position and fixed by inserting the terminal holding plate into the locking hole and pushing the terminal. To.

Japanese Unexamined Patent Publication No. 61-232581

However, in the technique disclosed in Patent Document 1, the entire terminal block is put inside the terminal block, and the terminal and the terminal holding plate of the cover are brought into contact with each other inside the terminal block, so that the position of the terminal is visually confirmed. However, there is a problem that the terminal holding plate of the cover cannot be brought into contact with the terminal.

The present disclosure has been made in view of the above, and an object of the present invention is to obtain a terminal block device capable of bringing a cover into contact with a terminal while visually confirming the position of the terminal.

In order to solve the above-mentioned problems and achieve the object, the terminal block device according to the present disclosure has a plurality of insertion holes, a terminal block in which a support surface adjacent to an edge of the insertion hole is formed, and an insertion hole. A plurality of crimp terminals having an insertion portion to be inserted, a supported portion arranged outside the insertion hole with the insertion portion inserted into the insertion hole and in contact with the support surface, and a support surface of the supported portion. It is provided with a cover that is fixed to the terminal block in contact with the surface facing the opposite side. Two covers are arranged side by side in the first direction. One ends of the two covers in the second direction orthogonal to the first direction are rotatably connected to each other via a rotation axis.

The terminal block device according to the present disclosure has an effect that the cover can be brought into contact with the terminals while visually confirming the positions of the terminals.

A perspective view showing an assembled state of the terminal block device according to the first embodiment. An exploded perspective view showing the terminal block device according to the first embodiment. It is an exploded perspective view which showed the terminal block apparatus which concerns on Embodiment 1, and is the figure which looked at the terminal block apparatus from the angle different from FIG. Partially enlarged perspective view showing the terminal block in the first embodiment A perspective view showing a crimp terminal, an electric wire, and an insulated tube according to the first embodiment. Sectional drawing along the VI-VI line shown in FIG. A side view showing a crimp terminal according to a first modification of the first embodiment. A side view showing a crimp terminal according to a second modification of the first embodiment. A side view showing a crimp terminal according to a third modification of the first embodiment. A perspective view showing an assembled state of the terminal block device according to the second embodiment. An exploded perspective view showing the terminal block device according to the second embodiment. It is an exploded perspective view which showed the terminal block device which concerns on Embodiment 2, and is the figure which looked at the terminal block device from the angle different from FIG. A perspective view showing an assembled state of the terminal block device according to the third embodiment. It is an exploded perspective view which showed the terminal block apparatus which concerns on Embodiment 3, and is the figure which showed the state which the cover was closed. It is an exploded perspective view which showed the terminal block device which concerns on Embodiment 3, and is the figure which showed the state which the cover was opened. The figure which showed the state which opened the cover of the terminal block apparatus which concerns on Embodiment 4. It is a figure which showed the state which opened the cover of the terminal block device which concerns on Embodiment 4, and is the figure which looked at the terminal block device from the angle different from FIG. Partially enlarged perspective view showing the first rotating shaft and the first bearing portion in the fourth embodiment. Perspective view showing the second cover in Embodiment 4. It is an exploded perspective view which showed the terminal block apparatus which concerns on Embodiment 5, and is the figure which showed the state which the insertion part of the crimp terminal is not inserted into the insertion hole. It is an exploded perspective view which showed the terminal block apparatus which concerns on Embodiment 5, and is the figure which showed the state which the insertion part of the crimp terminal was inserted into the insertion hole. Perspective view showing the cover in Embodiment 5.

Hereinafter, the terminal block device according to the embodiment will be described in detail with reference to the drawings.

Embodiment 1.
FIG. 1 is a perspective view showing an assembled state of the terminal block device 1 according to the first embodiment. FIG. 2 is an exploded perspective view showing the terminal block device 1 according to the first embodiment. FIG. 3 is an exploded perspective view showing the terminal block device 1 according to the first embodiment, and is a view of the terminal block device 1 viewed from an angle different from that of FIG. 2. The shape of the terminal block device 1 is not particularly limited, but in the present embodiment, it is generally a rectangular parallelepiped as shown in FIG. As shown in FIGS. 2 and 3, the terminal block device 1 includes a terminal block 2, a plurality of crimp terminals 3, a plurality of covers 4, and a plurality of fixing members 5. In the following description, the longitudinal direction of the terminal block device 1 is the X-axis direction, the lateral direction of the terminal block device 1 is the Y-axis direction, and the height direction of the terminal block device 1 is the Z-axis direction. The X-axis direction, which is the second direction, the Y-axis direction, which is the first direction, and the Z-axis direction are orthogonal to each other.

The terminal block 2 is formed in a substantially rectangular parallelepiped shape in which the length in the X-axis direction is longer than the length in the Y-axis direction. FIG. 4 is a partially enlarged perspective view showing the terminal block 2 according to the first embodiment. As shown in FIG. 4, a plurality of insertion holes 20, a plurality of support surfaces 21, and a plurality of shielding walls 22 are formed at one end of the terminal block 2 in the Z-axis direction. The insertion holes 20 are arranged in a plurality of rows in the Y-axis direction. The number of rows of the insertion holes 20 is two in the present embodiment. The insertion holes 20 in each row are arranged so as to be spaced apart from each other in the X-axis direction. The support surface 21 is adjacent to the edge of the insertion hole 20. The support surface 21 is a flat surface extending in the X-axis direction and the Y-axis direction. The support surface 21 and the opening of the insertion hole 20 are provided side by side in the Y-axis direction. One support surface 21 is provided for each insertion hole 20. A rectangular shielding wall 22 is provided between the adjacent insertion holes 20 and the adjacent support surfaces 21. The shielding wall 22 serves to maintain the electrical insulation distance between the adjacent crimp terminals 3, and also serves to guide the crimp terminals 3 when the insertion portion 30 described later is inserted into the insertion hole 20. The supported portion 31 described later of the crimp terminal 3 is fitted between two adjacent shielding walls 22. The shielding wall 22 may be omitted. In this way, one support surface 21 adjacent to the edge of the plurality of insertion holes 20 is formed in each row.

As shown in FIG. 3, a first fixing hole 23 and a second support wall 26 are formed at one end of the terminal block 2 in the X-axis direction. A second fixing hole 24 and a first support wall 25 are formed at the other end of the terminal block 2 in the X-axis direction. The first support wall 25 and the second support wall 26 extend in the direction away from one end of the terminal block 2 along the Z-axis direction. The first support wall 25 is formed with a rectangular first insertion hole 25a penetrating in the X-axis direction. The second support wall 26 is formed with a rectangular second insertion hole 26a penetrating in the X-axis direction. The positions of the first fixing hole 23 and the first insertion hole 25a coincide with each other in the Y-axis direction. An insertion hole 20 in one row is arranged between the first fixing hole 23 and the first insertion hole 25a. Hereinafter, the row in which the insertion holes 20 are lined up is referred to as the first row. The positions of the second fixing hole 24 and the second insertion hole 26a coincide with each other in the Y-axis direction. An insertion hole 20 in the other row is arranged between the second fixing hole 24 and the second insertion hole 26a. Hereinafter, the row in which the insertion holes 20 are lined up is referred to as a second row.

As shown in FIG. 4, the crimp terminal 3 is a metal member that electrically connects the contact 6 and the electric wire 7. FIG. 5 is a perspective view showing the crimp terminal 3, the electric wire 7, and the insulating tube 8 in the first embodiment. As shown in FIG. 5, the crimp terminal 3 includes an insertion portion 30 extending in the Z-axis direction, a supported portion 31 extending in the Y-axis direction from one end in the Z-axis direction of the insertion portion 30, and a supported portion 31. Among them, it has a connecting portion 32 extending in the Z-axis direction from an end portion located on the opposite side of the insertion portion 30. The crimp terminal 3 is formed by bending a single metal plate. The shape of the crimp terminal 3 is a crank shape. The insertion portion 30 is a plate-shaped portion to be inserted into the insertion hole 20. The tip of the insertion portion 30 is formed in a tapered triangular shape. The supported portion 31 is a flat plate-shaped portion extending in the X-axis direction and the Y-axis direction. The supported portion 31 is continuously formed on the insertion portion 30. The connecting portion 32 is a plate-shaped portion connected to the electric wire 7. The connecting portion 32 is continuously formed on the supported portion 31. The connection portion between the connection portion 32 and the electric wire 7 is covered with a cylindrical insulating tube 8.

As shown in FIG. 2, the cover 4 is a member that comes into contact with the supported portions 31 of the plurality of crimp terminals 3 and is fixed to the terminal block 2. The cover 4 covers one end of the terminal block 2. Two covers 4 are arranged side by side in the Y-axis direction. In the following description, when the two covers 4 are distinguished, one cover 4 is referred to as a first cover 40, and the other cover 4 is referred to as a second cover 41.

The first cover 40 comes into contact with each of the supported portions 31 of the crimp terminals 3 in the first row. The first cover 40 has a first boss portion 40a and a first arm portion 40b extending linearly along the X-axis direction from the first boss portion 40a. The first boss portion 40a is a substantially square columnar portion. The first boss portion 40a is formed with a first insertion hole 40c penetrating in the Z-axis direction. The shape of the first insertion hole 40c is circular.

The first arm portion 40b is a substantially square wall-shaped portion. A plurality of first pressing portions 40d projecting toward the terminal block 2 are formed on the surface of the first arm portion 40b facing the terminal block 2. The first pressing portion 40d is a portion that presses the supported portion 31. The tip surface of the first pressing portion 40d is a flat surface extending in the X-axis direction and the Y-axis direction. The plurality of first pressing portions 40d are arranged at the same arrangement interval as the supported portion 31 and are spaced apart from each other in the X-axis direction. A rectangular plate-shaped first protruding portion 40e projects from the surface of the first arm portion 40b located on the opposite side of the first boss portion 40a in the X-axis direction.

On the surface of the first arm portion 40b facing the second cover 41, two contact surfaces 40f capable of contacting the second cover 41 and contact surfaces arranged between the two contact surfaces 40f are arranged. A notch 40g separated from the second cover 41 is formed in a state where the 40f is in contact with the second cover 41. As shown in FIG. 1, in a state where the contact surface 40f is in contact with the second cover 41 and the notch 40g is separated from the second cover 41, the contact surface 40f is between the first cover 40 and the second cover 41. A passage hole 42 through which the electric wire 7 can pass is formed at a portion corresponding to the notch portion 40 g. The shape of the passage hole 42 is rectangular. The electric wires 7 are arranged in two rows in the Y-axis direction, and the electric wires 7 in the second row pass through the passage hole 42. The electric wires 7 in the first row are arranged on the opposite side of the passage hole 42 with the first cover 40 interposed therebetween.

As shown in FIG. 3, the second cover 41 comes into contact with each of the supported portions 31 of the crimp terminals 3 in the second row. The second cover 41 has a second boss portion 41a and a second arm portion 41b extending linearly along the X-axis direction from the second boss portion 41a. The second boss portion 41a is a substantially square columnar portion. The first boss portion 40a and the second boss portion 41a are arranged on opposite sides of each other in the X-axis direction. A second insertion hole 41c penetrating in the Z-axis direction is formed in the second boss portion 41a. The shape of the second insertion hole 41c is circular.

The second arm portion 41b is a substantially square wall-shaped portion. A plurality of second pressing portions 41d protruding toward the terminal block 2 are formed on the surface of the second arm portion 41b facing the terminal block 2. The second pressing portion 41d is a portion that presses the supported portion 31. The tip surface of the second pressing portion 41d is a flat surface extending in the X-axis direction and the Y-axis direction. The plurality of second pressing portions 41d are arranged at the same arrangement interval as the supported portion 31 and are spaced apart from each other in the X-axis direction. A rectangular plate-shaped second protrusion 41e projects from the surface of the second arm portion 41b located on the opposite side of the second boss portion 41a in the X-axis direction.

The fixing member 5 shown in FIG. 1 is a member that immovably fixes the cover 4 to the terminal block 2. The fixing member 5 is a screw in the present embodiment, but is not particularly limited as long as the cover 4 can be immovably fixed to the terminal block 2. The fixing member 5 may be, for example, a spring pin. As shown in FIG. 2, one fixing member 5 is inserted into the first insertion hole 40c and the first fixing hole 23. Further, one fixing member 5 is inserted into the second insertion hole 41c and the second fixing hole 24. When wiring the electric wire 7, the crimp terminals 3 are inserted into the insertion holes 20 one by one. Then, the first protrusion 40e of the first cover 40 is inserted into the first insertion hole 25a, and the fixing member 5 is screwed into the first insertion hole 40c and the first fixing hole 23. The cover 40 of 1 is fixed to the terminal block 2. On the other hand, as shown in FIG. 3, the second protrusion 41e of the second cover 41 is inserted into the second insertion hole 26a, and the fixing member is inserted into the second insertion hole 41c and the second fixing hole 24. By screwing in 5, the second cover 41 is fixed to the terminal block 2. That is, one end of each cover 4 in the X-axis direction is fitted into the terminal block 2, and the other end of each cover 4 in the X-axis direction is fixed to the terminal block 2 by the fixing member 5. ..

FIG. 6 is a cross-sectional view taken along the VI-VI line shown in FIG. FIG. 6 illustrates a state in which the insertion portion 30 is inserted into the insertion hole 20 and a state in which the cover 4 is fixed to the terminal block 2. Inside the insertion hole 20, a contactor 6 that comes into contact with the insertion portion 30 of the crimp terminal 3 is provided. The supported portion 31 is arranged outside the insertion hole 20 and is in contact with the support surface 21 in a state where the insertion portion 30 is inserted into the insertion hole 20. The supported portion 31 is in surface contact with the support surface 21. It is sufficient that at least one portion of the supported portion 31 is in contact with the support surface 21. The supported portion 31 and the connecting portion 32 are exposed to the outside of the insertion hole 20.

The cover 4 is in contact with the surface of the supported portion 31 facing the opposite side of the support surface 21. With the cover 4 fixed to the terminal block 2, each supported portion 31 is sandwiched between the support surface 21 of the terminal block 2 and the cover 4. By tightening the fixing member 5, a force that pulls the cover 4 toward the terminal block 2 acts, so that the cover 4 is pressed against each supported portion 31, and each supported portion 31 is pressed toward the terminal block 2. .. Note that FIG. 6 shows only the state in which the cover 4 is in contact with one supported portion 31, but in reality, the cover 4 is in contact with a plurality of supported portions 31 at the same time. The first pressing portion 40d and the second pressing portion 41d of the cover 4 cover the insertion hole 20. As a result, the structure is such that dust, dust, etc. do not easily enter the inside of the insertion hole 20.

Next, the effect of the terminal block device 1 according to the present embodiment will be described.

In the present embodiment, as shown in FIG. 3, the terminal block device 1 includes a terminal block 2, a plurality of crimp terminals 3, and a cover 4. The terminal block 2 is formed with a plurality of insertion holes 20 and a support surface 21 adjacent to the edge of the insertion holes 20. As shown in FIG. 6, each crimp terminal 3 has an insertion portion 30 inserted into the insertion hole 20 and a support surface 21 arranged outside the insertion hole 20 with the insertion portion 30 inserted into the insertion hole 20. Has a supported portion 31 that comes into contact with. The cover 4 is fixed to the terminal block 2 in contact with the surface of the supported portion 31 facing the opposite side to the support surface 21. With these configurations, the supported portion 31 of the crimp terminal 3 and the cover 4 are brought into contact with each other outside the terminal block 2, and the cover 4 is fixed to the terminal block 2, so that the crimp terminal 3 cannot be moved to the terminal block 2. Can be fixed to. That is, the cover 4 can be brought into contact with the crimp terminal 3 while visually confirming the position of the crimp terminal 3. Further, by fixing the cover 4 to the terminal block 2, a plurality of crimp terminals 3 can be collectively fixed to the terminal block 2, so that the wiring work of the electric wire 7 becomes easy. Further, by removing the cover 4 from the terminal block 2, the fixed state of the plurality of crimp terminals 3 and the terminal block 2 can be released at once, so that the maintenance work of the electric wire 7 becomes easy. Further, since the crimp terminal 3 can be easily inserted and removed from the crimp terminal 20 by grasping the portion of the crimp terminal 3 exposed to the outside of the insertion hole 20, the wiring work and the maintenance work of the electric wire 7 become easier. ..

In the present embodiment, as shown in FIG. 1, the terminal block device 1 includes a fixing member 5 that immovably fixes the cover 4 to the terminal block 2, and the cover 4 is fixed to the terminal block 2. Each supported portion 31 is sandwiched between the support surface 21 of the terminal block 2 and the cover 4. As a result, the cover 4 can be easily attached to and detached from the terminal block 2, so that the amount of work by the operator can be reduced. Further, since the supported portion 31 is pressed through the cover 4 by using the tightening force of the screw which is the fixing member 5, the connection strength of the crimp terminal 3, that is, the tensile strength which resists the tensile force of the electric wire 7 is increased. Can be enhanced.

In the present embodiment, as shown in FIG. 3, the insertion holes 20 are arranged so as to be spaced apart from each other in the X-axis direction. One end of the cover 4 in the X-axis direction is inserted into the insertion holes 25a and 26a of the terminal block 2, and the other end of the cover 4 in the X-axis direction is fixed to the terminal block 2 by the fixing member 5. Has been done. As a result, the number of fixing points by the fixing member 5 can be reduced, so that the cover 4 can be more easily attached to and detached from the terminal block 2. Therefore, the amount of work of the worker can be further reduced. In particular, in the present embodiment, since the cover 4 is fixed to the terminal block 2 by one fixing member 5, the cover 4 can be removed from the terminal block 2 only by removing one fixing member 5. Therefore, the electric wire 7 Maintenance work becomes even easier.

In the present embodiment, as shown in FIG. 3, by inserting the crimp terminal 3 into the insertion hole 20 from the Z-axis direction, the electric wire 7 can be extended in the Z-axis direction, so that the insertion holes 20 are arranged in a plurality of rows in the Y-axis direction. Even when they are arranged, it is possible to avoid interference between the electric wires 7.

In the present embodiment, as shown in FIG. 1, the first cover 40 has a contact surface 40f that can contact the second cover 41 and a contact surface 40f that is in contact with the second cover 41. A notch 40 g separated from the cover 41 of 2 is formed. A passage hole 42 through which the electric wire 7 can pass is formed at a portion of the space between the first cover 40 and the second cover 41 that coincides with the notch 40 g. As a result, the electric wire 7 can be suppressed from being crushed, so that the distance between the adjacent crimp terminals 3 can be narrowed.

The number of rows of the insertion holes 20 is not limited to the two rows shown in the figure, and may be one row or a plurality of rows of three or more rows. In the present embodiment, since the cover 4 is formed separately from the terminal block 2, the number of covers 4 can be appropriately changed according to the number of rows of insertion holes 20 formed in the terminal block 2. That is, by increasing the number of covers 4, the crimp terminals 3 can be prevented from coming off even if the number of rows of the insertion holes 20 is 3 or more. Therefore, there is no limitation on the number of rows of the insertion holes 20, and a larger number of poles can be accommodated.

The shape of the crimp terminal 3 is not limited to the illustrated example, and may be changed as appropriate. FIG. 7 is a side view showing the crimp terminal 3 according to the first modification of the first embodiment. As shown in FIG. 7, the shape of the supported portion 31 may be an inclined shape extending diagonally from the insertion portion 30 toward the connecting portion 32. When the shape of the supported portion 31 is inclined, the support surface 21 of the terminal block 2 and the tip surfaces of the presser portions 40d and 41d of the cover 4 are also formed in an inclined shape along the inclination of the supported portion 31.

FIG. 8 is a side view showing the crimp terminal 3 according to the second modification of the first embodiment. FIG. 9 is a side view showing the crimp terminal 3 according to the third modification of the first embodiment. As shown in FIG. 8, the tip of the insertion portion 30 may be formed in an arc shape that is convex toward the terminal block 2, and as shown in FIG. 9, the tip of the insertion portion 30 is flat. It may be formed.

Embodiment 2.
Next, the terminal block device 1A according to the second embodiment will be described with reference to FIGS. 10 to 12. FIG. 10 is a perspective view showing an assembled state of the terminal block device 1A according to the second embodiment. FIG. 11 is an exploded perspective view showing the terminal block device 1A according to the second embodiment. FIG. 12 is an exploded perspective view showing the terminal block device 1A according to the second embodiment, and is a view of the terminal block device 1A viewed from an angle different from that of FIG. The present embodiment is different from the above-described first embodiment in that the first cover 40 and the second cover 41 are rotatably connected to each other in the vertical direction. In the second embodiment, the same reference numerals are given to the parts overlapping with the first embodiment, and the description thereof will be omitted.

As shown in FIG. 12, a shaft hole 40h penetrating in the Y-axis direction is formed at one end of the first cover 40 in the X-axis direction. The shaft hole 40h is formed at an end of the first arm portion 40b located on the opposite side of the first boss portion 40a in the X-axis direction. As shown in FIG. 10, a first contact portion 40i having a substantially square wall shape is formed at the other end of the first cover 40 in the X-axis direction. The first contact portion 40i projects from the first boss portion 40a toward the second cover 41.

As shown in FIG. 11, one end of the second cover 41 in the X-axis direction is provided with a columnar rotating shaft 41f extending in the Y-axis direction. The rotation shaft 41f projects from the second boss portion 41a toward the first cover 40. As shown in FIG. 12, the rotating shaft 41f is inserted through the shaft hole 40h. One ends of the first cover 40 and the second cover 41 in the X-axis direction are rotatably connected to each other via the rotation shaft 41f in a state where they are not covered with the terminal block 2. The first cover 40 can rotate in the vertical direction about the rotation shaft 41f. The second cover 41 can rotate in the vertical direction about the rotation shaft 41f. As shown in FIG. 11, a second contact portion 41g capable of contacting the first contact portion 40i is formed at the other end of the second cover 41 in the X-axis direction. The second contact portion 41g extends from the surface of the second arm portion 41b facing the terminal block 2 toward the terminal block 2, and then L in the direction away from the second arm portion 41b along the X-axis direction. It extends in a shape. The first contact portion 40i contacts the second contact portion 41g from the side opposite to the terminal block 2 in the Z-axis direction.

In the present embodiment, as shown in FIGS. 11 and 12, one ends of the first cover 40 and the second cover 41 in the X-axis direction are vertically connected to each other via a rotation shaft 41f extending in the Y-axis direction. The second cover 41 can be fixed to the terminal block 2 and then the first cover 40 can be rotated to cover the terminal block 2. Therefore, it becomes easy to attach the first cover 40 along the electric wire 7. Further, since one hand is free, the first cover 40 can be easily attached to the terminal block 2.

In the present embodiment, as shown in FIGS. 11 and 12, the first contact portion 40i of the first cover 40 is the second cover 41 from the side opposite to the terminal block 2 in the Z-axis direction. It comes into contact with the contact portion 41 g. As a result, after the second cover 41 is first put on the terminal block 2, the first cover 40 is put on the terminal block 2, and the first cover 40 is fixed to the terminal block 2 by the fixing member 5. The cover 40 of 1 and the second cover 41 can be fastened together to the terminal block 2.

Embodiment 3.
Next, the terminal block device 1B according to the third embodiment will be described with reference to FIGS. 13 to 15. FIG. 13 is a perspective view showing an assembled state of the terminal block device 1B according to the third embodiment. FIG. 14 is an exploded perspective view showing the terminal block device 1B according to the third embodiment, and is a view showing a state in which the cover 4 is closed. FIG. 15 is an exploded perspective view showing the terminal block device 1B according to the third embodiment, and is a view showing a state in which the cover 4 is opened. The present embodiment is different from the above-described first embodiment in that the first cover 40 and the second cover 41 are rotatably connected to each other in the lateral direction. In the third embodiment, the same reference numerals are given to the parts overlapping with the first embodiment, and the description thereof will be omitted.

As shown in FIG. 14, two first mounting portions 40j are formed at one end of the first cover 40 in the X-axis direction. The two first mounting portions 40j are arranged so as to be spaced apart from each other in the Z-axis direction. The first mounting portion 40j is formed at an end portion of the first arm portion 40b located on the opposite side of the first boss portion 40a in the X-axis direction. The first mounting portion 40j is formed in the shape of a square plate. A shaft hole 40k penetrating in the Z-axis direction is formed in the first mounting portion 40j. As shown in FIG. 15, a square plate-shaped insertion portion 40 m is formed at the other end of the first cover 40 in the X-axis direction. The insertion portion 40m projects from the first boss portion 40a toward the second cover 41.

A square plate-shaped second mounting portion 41h is formed at one end of the second cover 41 in the X-axis direction. The second mounting portion 41h projects from the second boss portion 41a toward the first cover 40. The second mounting portion 41h is sandwiched between the two first mounting portions 40j in the Z-axis direction. A shaft hole (not shown) penetrating in the Z-axis direction is formed in the second mounting portion 41h. At the other end of the second cover 41 in the X-axis direction, a recess 41i into which the insertion portion 40m is inserted is formed. The recess 41i opens in the X-axis direction and toward the first cover 40.

A cylindrical rotating shaft 43 extending in the Z-axis direction is inserted through the shaft hole 40k of the first mounting portion 40j and the shaft hole of the second mounting portion 41h. One ends of the first cover 40 and the second cover 41 in the X-axis direction are rotatably connected to each other via a rotation shaft 43 in a state where they are not covered with the terminal block 2. The first cover 40 can rotate laterally about the rotation shaft 43. The second cover 41 can rotate laterally about the rotation shaft 43.

In the present embodiment, as shown in FIG. 15, one ends of the first cover 40 and the second cover 41 in the X-axis direction can rotate laterally via a rotation shaft 43 extending in the Z-axis direction. Is linked to. As a result, the electric wire 7 can be sandwiched by rotating the first cover 40 laterally with respect to the second cover 41 and closing the first cover 40 and the second cover 41. That is, the cover 4 functions as a cable holder that holds a plurality of electric wires 7 and slides along the electric wires 7. Therefore, it becomes easy to attach the cover 4 along the electric wire 7. Further, since the cover 4 can be fixed to the terminal block 2 in a state where a plurality of electric wires 7 are inserted into the passing holes 42 and held, the cover 4 can be easily attached.

Embodiment 4.
Next, the terminal block device 1C according to the fourth embodiment will be described with reference to FIGS. 16 to 19. FIG. 16 is a diagram showing a state in which the cover 4 of the terminal block device 1C according to the fourth embodiment is opened. FIG. 17 is a view showing a state in which the cover 4 of the terminal block device 1C according to the fourth embodiment is opened, and is a view of the terminal block device 1C viewed from an angle different from that of FIG. FIG. 18 is a partially enlarged perspective view showing the first rotating shaft 40n and the first bearing portion 27 in the fourth embodiment. FIG. 19 is a perspective view showing the second cover 41 in the fourth embodiment. The present embodiment is different from the above-described first embodiment in that the first cover 40 and the second cover 41 are rotatably connected to the terminal block 2. In the fourth embodiment, the same reference numerals are given to the parts overlapping with the first embodiment, and the description thereof will be omitted.

As shown in FIG. 16, a first fixing hole 23 and a second bearing portion 28 are formed at one end of the terminal block 2 in the X-axis direction. The second bearing portion 28 has a spherical recess. As shown in FIG. 17, a second fixing hole 24 and a first bearing portion 27 are formed at the other end of the terminal block 2 in the X-axis direction. The first bearing portion 27 is formed in a substantially C shape penetrating in the Y-axis direction. As shown in FIGS. 16 and 17, the positions of the first fixing hole 23 and the first bearing portion 27 coincide with each other in the Y-axis direction. An insertion hole 20 in the first row is arranged between the first fixing hole 23 and the first bearing portion 27. The positions of the second fixing hole 24 and the second bearing portion 28 coincide with each other in the Y-axis direction. A second row of insertion holes 20 is arranged between the second fixing hole 24 and the second bearing portion 28.

As shown in FIG. 17, one end of the first cover 40 in the X-axis direction is provided with a first rotation shaft 40n extending in the Y-axis direction. The first rotation shaft 40n is formed at an end of the first arm portion 40b located on the opposite side of the first boss portion 40a in the X-axis direction. As shown in FIG. 18, the first rotating shaft 40n is formed in a shape in which two cylinders having different diameters are connected. The large diameter portion of the first rotating shaft 40n is in contact with the stepped surface formed on the inner peripheral surface of the first bearing portion 27 in the Y-axis direction, and the first rotating shaft 40n is the first bearing portion. It plays a role of suppressing the exit from 27 in the Y-axis direction. The first rotating shaft 40n is rotatably supported by the first bearing portion 27. One end of the first cover 40 in the X-axis direction is rotatably connected to the terminal block 2 via the first rotating shaft 40n and the first bearing portion 27. The first cover 40 can rotate in the vertical direction about the first rotation axis 40n extending in the Y-axis direction.

As shown in FIG. 16, a second rotating shaft 41j projecting toward the terminal block 2 is provided at the other end of the second cover 41 in the X-axis direction. The second rotation shaft 41j is formed at an end of the second arm portion 41b located on the opposite side of the second boss portion 41a in the X-axis direction. As shown in FIG. 19, the second rotating shaft 41j has a columnar base end portion and a spherical tip portion. As shown in FIG. 16, the tip end portion of the second rotating shaft 41j is rotatably supported by the second bearing portion 28. The other end of the second cover 41 in the X-axis direction is rotatably connected to the terminal block 2 via the second rotating shaft 41j and the second bearing portion 28. The second cover 41 can rotate in the vertical direction and the horizontal direction about the second rotation axis 41j. By fitting the second rotating shaft 41j into the second bearing portion 28, the structure is such that the second cover 41 and the terminal block 2 do not come off.

In the present embodiment, as shown in FIG. 17, the first cover 40 is rotatably connected to the terminal block 2 via the first rotating shaft 40n and the first bearing portion 27, and is shown in FIG. As shown in 16, the second cover 41 is rotatably connected to the terminal block 2 via the second rotating shaft 41j and the second bearing portion 28. When the first cover 40 and the second cover 41 are directly connected to the terminal block 2 in this way, the terminal block 2, the first cover 40, and the second cover 41 can be easily stored and transported. ..

Embodiment 5.
Next, the terminal block device 1D according to the fifth embodiment will be described with reference to FIGS. 20 to 22. FIG. 20 is an exploded perspective view showing the terminal block device 1D according to the fifth embodiment, showing a state in which the insertion portion 30 of the crimp terminal 3 is not inserted into the insertion hole 20. FIG. 21 is an exploded perspective view showing the terminal block device 1D according to the fifth embodiment, showing a state in which the insertion portion 30 of the crimp terminal 3 is inserted into the insertion hole 20. FIG. 22 is a perspective view showing the cover 4 in the fifth embodiment. In the present embodiment, the direction of the crimp terminal 3 is different between the first row and the second row, and the point that one cover 4 is used is different from the above-described first embodiment. In the fifth embodiment, the same reference numerals are given to the parts overlapping with the first embodiment, and the description thereof will be omitted.

As shown in FIG. 20, one end of the terminal block 2 is provided with a partition wall 29a that separates the insertion hole 20 and the shielding wall 22 in the first row from the insertion hole 20 and the shielding wall 22 in the second row. The partition wall 29a extends in the X-axis direction. The insertion holes 20 in the first row and the insertion holes 20 in the second row are arranged at the same height position in the Z-axis direction. One fixing hole 29b is formed at one end and the other end of the terminal block 2 in the X-axis direction. The two fixing holes 29b are arranged so as to be offset in the Y-axis direction.

The crimp terminal 3 in the first row and the crimp terminal 3 in the second row are arranged with the insertion portion 30 facing the partition wall 29a. In other words, the crimp terminal 3 in the first row and the crimp terminal 3 in the second row are arranged so that the insertion portions 30 face each other.

The cover 4 is one in the present embodiment. In the present embodiment, the shape of the cover 4 is a substantially rectangular parallelepiped longer in the X-axis direction than in the Y-axis direction. An insertion hole 44 is formed in the cover 4 at a position overlapping the fixing hole 29b in the Z-axis direction. As shown in FIG. 22, the holding portions 45 of the cover 4 are arranged in a plurality of rows in the Y-axis direction. The number of rows of the presser portions 45 is two in the present embodiment. The presser portions 45 in each row are arranged at the same arrangement intervals as the supported portions 31 and are spaced apart from each other in the X-axis direction.

In the present embodiment, as shown in FIG. 20, the crimp terminals 3 in the first row and the crimp terminals 3 in the second row are arranged so that the insertion portions 30 face each other, so that the crimp terminals in the first row are arranged. There is no electric wire 7 between the supported portion 31 of 3 and the supported portion 31 of the crimp terminal 3 in the second row. Therefore, one cover 4 can press each supported portion 31 of the crimp terminals 3 in each row toward the terminal block 2. As a result, by fixing the cover 4 to the terminal block 2, the crimp terminals 3 in each row can be collectively fixed to the terminal block 2, so that the wiring work of the electric wire 7 becomes easy. Further, by removing the cover 4 from the terminal block 2, the fixed state of the crimp terminal 3 and the terminal block 2 in each row can be released at once, so that the maintenance work of the electric wire 7 becomes easy.

The configuration shown in the above embodiments is an example, and can be combined with another known technique, can be combined with each other, and does not deviate from the gist. It is also possible to omit or change a part of the configuration.

1,1A, 1B, 1C, 1D terminal block device, 2 terminal block, 3 crimp terminal, 4 cover, 5 fixing member, 6 contactor, 7 electric wire, 8 insulation tube, 20 insertion hole, 21 support surface, 22 shielding wall , 23 1st fixing hole, 24 2nd fixing hole, 25 1st support wall, 25a 1st insertion hole, 26 2nd support wall, 26a 2nd insertion hole, 27 1st bearing Part, 28 Second bearing part, 29a partition, 29b fixing hole, 30 insertion part, 31 supported part, 32 connection part, 40 first cover, 40a first boss part, 40b first arm part, 40c 1st insertion hole, 40d 1st holding part, 40e 1st protrusion, 40f contact surface, 40g notch, 40h, 40k shaft hole, 40i 1st contact part, 40j 1st mounting part, 40m difference Insertion part, 40n first rotation shaft, 41 second cover, 41a second boss part, 41b second arm part, 41c second insertion hole, 41d second presser part, 41e second protrusion part. , 41f, 43 rotating shaft, 41g second contact part, 41h second mounting part, 41i recess, 41j second rotating shaft, 42 passing hole, 44 insertion hole, 45 holding part.

Claims (6)

A terminal block having a plurality of insertion holes and a support surface adjacent to the edge of the insertion holes.
A plurality of crimp terminals having an insertion portion inserted into the insertion hole and a supported portion arranged outside the insertion hole in a state where the insertion portion is inserted into the insertion hole and in contact with the support surface. ,
A cover that comes into contact with the surface of the supported portion facing the opposite side of the support surface and is fixed to the terminal block is provided.
Two covers are arranged side by side in the first direction.
A terminal block device characterized in that one ends of the two covers in a second direction orthogonal to the first direction are rotatably connected to each other via a rotation axis. A fixing member for immovably fixing the cover to the terminal block is provided.
The terminal according to claim 1, wherein each of the supported portions is sandwiched between the support surface of the terminal block and the cover in a state where the cover is fixed to the terminal block. Platform device. The terminal block device according to claim 1 or 2, wherein the insertion holes are arranged at intervals from each other in the second direction. The terminal block device according to claim 3, wherein the insertion holes are arranged in a plurality of rows in the first direction. One of the two covers is formed with a contact surface that is in contact with the other cover and a notch that separates the contact surface from the other cover when it is in contact with the other cover. ,
One of claims 1 to 4 , wherein a passage hole through which an electric wire connected to the crimp terminal can pass is formed at a portion of the two covers corresponding to the notch. The terminal block device according to item 1 . A terminal block having a plurality of insertion holes and a support surface adjacent to the edge of the insertion holes.
A plurality of crimp terminals having an insertion portion inserted into the insertion hole and a supported portion arranged outside the insertion hole in a state where the insertion portion is inserted into the insertion hole and in contact with the support surface. ,
A cover that comes into contact with the surface of the supported portion facing the opposite side of the support surface and is fixed to the terminal block is provided.
Two covers are arranged side by side in the first direction.
A terminal block device characterized in that the two covers are rotatably connected to the terminal block via different rotation axes.

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