JPH0628654Y2 - Electrode holder - Google Patents

Description

TECHNICAL FIELD The present invention relates to an electrode holder applied to a liquid level detection device or the like.

[Background technology]

FIG. 6 shows a conventional example. That is, this electrode holder is
Main body 5 equipped with terminals 51 on the upper surface and electrode rods 52 on the lower surface
0, a cover 53 for covering the terminal 51 is attached, and a notch is formed in a joint surface between the cover 53 and the main body 50 to insert a rain-preventing rubber bushing 54 through which the drawn electric wire is inserted. A rubber bushing 54 is sandwiched between 50 and 53 to be equipped. Further, in this electrode holder, since the rubber bushing 54 is sandwiched between the main body 50 and the cover 53 and attached, when the external force is applied to the pulled-out electric wire, the rubber bushing 54 is attached by the external force applied to the electric wire. The cover 53 is attached to the main body 50 using two screws (not shown).

However, in this electrode holder, when connecting an electric wire to the terminal 51, the two screws are removed and then the cover 53 is removed.
It was a work of removing the work, which deteriorated the workability.

In order to solve this drawback, first, it is conceivable to eliminate the attachment by the screw and attach the cover 53 to the main body 50, but when the external force is applied to the drawn wire, the cover is attached. There is a problem of detachment of 53, and secondly the main body 5
It is also conceivable to provide a through hole in the cover 0 or the cover 53 and attach the rubber bushing 54 to the through hole so as to eliminate the attachment by the screw and engage the cover 53 with the main body 50. It is necessary to insert the cover 53, and there are problems such as workability and detachment of the cover 53.

[Purpose of device]

It is an object of the present invention to provide an electrode holder which has good workability such as cover attachment or wiring work, and ensures cover attachment.

[Disclosure of device]

In the electrode holder of the present invention, the electrode rod is hung on the lower surface, the terminal of the electrode rod is provided on the upper surface, and the electric wire lead-out portion having the upper opening is formed on the wall-shaped peripheral portion. A main body provided with a cover locking portion at a position facing the wire drawing portion, and a peripheral wall that covers the terminal and is fitted to the peripheral portion, and at a position corresponding to the wire drawing portion of the peripheral wall. A cover having a cutout of a lower opening and an engaging portion which engages with the cover engaging portion is provided on the peripheral wall.

According to the configuration of the present invention, the wire lead-out portion is formed in the wall-shaped peripheral portion in the upper opening, and the notch of the lower opening is formed in the cover corresponding to the wire lead-out portion. Since it can be inserted, the construction is easy, and because the cover locking portion is provided on both sides of the wire drawing portion and the position facing the wire drawing portion of the main body, the cover is provided with the engaging portion that engages with the cover locking portion. The cover can be easily attached and detached, and the cover is less likely to come off when the electric wire is pulled by the electric wire drawing portion, as compared with the case where the cover locking portion is provided at another position.

Embodiment An embodiment of the present invention will be described with reference to FIGS. 1 to 5. That is, this electrode holder comprises a main body 1 and a cover 2.

In the main body 1, the electrode rod 3 is hung on the lower surface 1b, the terminals 4 of the electrode rod 3 on the upper surface 1a are provided, and the wire drawing portion 6 of the peripheral edge portion 5 is provided.
A cover locking portion 7 is provided on both sides of and in a position facing the wire drawing portion 6 of the main body 1. The main body 1 has a circular shape as an example in order to reduce the turning radius. The terminal 4 is passed through the through hole 8 of the main body 1, and the electrode rod 3 is attached to the lower surface of the terminal 4 by the screw portion 3
The terminals 4 are attached by a and 4a, and further tightened by the screw 9, and the screw 9 is locked in the groove 10 of the main body 1 to prevent the terminal 4 from coming off and from rotating. A terminal screw 11 is provided on the upper end of the terminal 4. The peripheral portion 5 is a peripheral wall in the embodiment, the wire drawing portion 6 is formed by a notch, and the cover locking portion 7 is a square hole in the embodiment. In addition, the upper surface 1a of the main body 1 is formed with an inclined surface so that the wire drawing portion 6 is located at a lower level. Reference numeral 12 is a set screw of the main body 1.

The cover 2 covers the terminals 4 and has a notch in the lower opening of the peripheral wall 13 which is fitted to the peripheral edge portion 5 of the main body 1, and is continuous with the peripheral wall 13 and has a wire-drawing portion 6 having a reverse U-shaped cross section. The peripheral wall 13 is provided with an engaging portion 15 that projects the portion 14 and engages with the cover locking portion 7. Nozzle portion 14 is first
As shown in FIG. 2 and FIG. 2, the shape is narrowed toward the tip, and an arcuate curved surface including the root side is formed, and a plurality of separation grooves 14a are formed to match the thickness of the wire bundle. There is. Further, the engagement portion 15 uses a protrusion as an example.

It should be noted that the peripheral portion 5 of the main body 1 near the cover locking portion 7
The cover contact step 5a has a recess 16 into which a driver for opening the cover 2 is inserted. Reference numeral 17 denotes a mounting portion, which is an example of a hook formed under the peripheral wall 13 of the main body 1,
Reference numeral 18 denotes a receiving body having a mounted portion 19 which is inserted into the mounting portion 17 and locked by rotation, and formed with a screw 21 into which the wave preventing tube 20 is screwed. In FIG. 1, reference numeral 22 is a receiving member when the wave preventing tube 20 is unnecessary, and is formed into a brim and has a mounting hole 23 to be mounted on a mounted body (not shown).

In this electrode holder, an electric wire (not shown) is connected to the terminal screw 11 of the terminal 4, and the cover 2 is arranged in a state where the electric wire is aligned with the electric wire drawing portion 6.
To the main body 1. In this case, the cover 2 engages the engaging portion 15 with the cover engaging portion 7 at a position facing the wire drawing portion 6, and the cover 2 is rotated around the engaging portion as a fulcrum to rotate the other engaging portion 15. And the electric wire is pulled out from the nozzle portion 14.
Even if the electric wire is pulled up in a state where the electric wire is pulled out from the nozzle portion 14, when the force is applied upward from the nozzle portion 14, the pair of engaging portions 15 on both sides of the nozzle portion 14 are pulled in the approaching direction. The joint portion 15 tends to be tightened in the cover locking portion 7, and the cover 2 is hard to come off. Meanwhile cover 2
When opening the opening, the concave portion 1 formed near the cover locking portion 7
It can be opened by inserting a screwdriver or the like into 6.

According to this embodiment, since the wire lead-out portion 6 is formed in the wall-shaped peripheral edge portion 5 in the upper opening and the notch of the lower opening is formed in the cover 2 corresponding to the wire lead-out portion 6, the wire is pulled out. Since it can be inserted very easily into the cable, the construction is easy, and the cover locking portions 7 are provided at both sides of the wire drawing portion 6 and the position facing the wire drawing portion 6 of the main body 1 to engage with the cover locking portion 7. Since the cover 15 is provided with the portion 15, the cover 2 can be easily attached and detached, and compared with the case where the cover locking portion 7 is provided at another position, the cover is pulled when the electric wire is pulled by the electric wire drawing portion 6. 2 is hard to come off.

Further, since the recesses 16 for removing the cover are formed on both sides of the wire drawing portion 6 of the main body 1, when the cover 2 is removed, the engaging portion 15 is disengaged when a driver or the like is fitted into the recess 16 and the cover 2 is lifted. Therefore, the removal work can be easily performed.

Since the base end of the nozzle portion 14 having an inverted U-shaped cross section is continuously provided integrally with the edge portion of the notch of the cover 2, it is not necessary to attach the nozzle portion 14 and the assembling workability is improved.

Since the nozzle portion 14 has a shape that narrows toward the tip, and the separation groove 14a is formed in the circumferential direction, the nozzle portion 14 is formed by the separation groove 14a at an appropriate place with respect to the amount and thickness of the drawn wire. When cut, it can be used as an insertion hole suitable for the amount and thickness of the wire.

Further, in this embodiment, since the nozzle portion 14 is formed in the cover 2, when the main body 1 is inserted into the receiving body 18 and rotated to lock the mounting portion 17 to the mounted portion 19, the nozzle portion 14 is covered. Also, since it becomes a catch when the main body 1 rotates, the rotation operation is easy. This is particularly effective when the main body 1 is circular.

In addition, since the upper surface 1a of the main body 1 is an inclined surface with the wire lead-out portion 6 as a lower surface, the wire lead-out portion 6 is prevented even if rainwater flows in.
More drainage is possible.

Further, the main body 1 and the receiving body 18 are attached to the mounting portion 17 and the mounted portion 1
By using a so-called rotation lock system by inserting and rotating with 9, the coupling 22 cannot be mounted on the mounting surface on which the electrode holder is mounted. For example, when the ceiling surface of the aquarium tank is thin, the receiving body 22 rotates. Since it is a lock system, it can be shared with the receiving body 22. Conventionally, two types were required, a coupling mounting type and a rotation lock type flange type.

[Effect of device]

According to the electrode holder of the present invention, the wire lead-out portion is formed in the wall-shaped peripheral portion in the upper opening, and the notch of the lower opening is formed in the cover corresponding to the wire lead-out portion. Since it can be easily inserted, construction is easy, and the cover locking part is provided on both sides of the wire drawing part and the position facing the wire drawing part of the main body, and the cover is provided with an engaging part that engages with the cover locking part. Therefore, the cover can be easily attached and removed, and compared with the case where the cover locking portion is provided at another position,
The effect is that the cover will not come off easily when the wire is pulled by the wire drawing part.

[Brief description of drawings]

FIG. 1 is an exploded perspective view of an embodiment of the present invention, FIG. 2 is a sectional view thereof, FIG. 3 is a plan view with a cover removed, and FIG.
The figure is a bottom view of the main body before inserting the electrode rod, FIG. 5 is a front view, and FIG. 6 is a sectional view of a conventional example. 1 ... Main body, 1a ... Top surface, 1b ... Bottom surface, 2 ... Cover, 3 ... Electrode rod, 4 ... Terminal, 5 ... Peripheral part, 6 ...
Wire drawing part, 7 ... Cover locking part, 13 ... Peripheral wall, 14
...... Nozzle part, 15 ...... Engagement part

 ─────────────────────────────────────────────────── ─── Continuation of the front page (56) Bibliographic references Sho 53-163161 (JP, U) Actual opening Sho 50-60060 (JP, U) Actual opening Sho 57-118328 (JP, U) Actual public Sho 55- 45861 (JP, Y2)

Claims (5)

[Scope of utility model registration request] 1. An electrode rod is hung on a lower surface, terminals of the electrode rod are provided on an upper surface, and an electric wire lead-out portion having an upper opening is formed on a peripheral edge of a wall, and both sides of the electric wire lead-out portion and the electric wire lead-out portion are formed. A main body provided with a cover locking portion at a position facing
A member for covering the terminal, having a peripheral wall that is fitted to the peripheral edge portion, forming a notch of a lower opening at a position of the peripheral wall corresponding to the wire drawing portion, and engaging with the cover locking portion. An electrode holder comprising: a cover having a joint portion provided on the peripheral wall. 2. A utility model registration claim in which recesses for removing the cover are formed on both sides of the wire drawing portion of the main body.
The electrode holder according to the item (1). 3. The electrode holder according to claim 1, wherein the base end of a nozzle portion having an inverted U-shaped cross section is continuously provided integrally with the edge portion of the notch of the cover. 4. The electrode holder according to claim (3), wherein the nozzle portion has a shape that narrows toward the tip, and a separation groove is formed in the circumferential direction. 5. The electrode holder according to claim (1) or (3), wherein the upper surface of the main body is an inclined surface having the wire drawing portion as a lower surface.