JPH07316894A - Connecting appliance of electrode for electrolysis - Google Patents

Abstract

PURPOSE:To easily and rapidly mount and exchange an electrode for electrolysis by liquidtightly enclosing a clamp having an energizing means with a easing exclusive of the projections at the electrode holding ends and lead wire inlet thereof. CONSTITUTION:The clamp 1 consists of a metal, etc., of a conductive material having rigidity and its front ends consist of the electrode holding parts 6 provided with the projections 2 having a circular section. The casing 3 consists of an elastic insulated coating material and has a recessed part 18 for housing the electrode, circular holes 3b slightly larger than the sizes of the projections 2 and an inlet 17 on the side of the surface opposite to the recessed part 18. The front ends of the lead wires 4 inserted from the inlet 17 are connected to the electrode holding parts 6. The lead wires 4 are press welded by the inlet 17 to prevent infiltration of an electrolyte into the space in the easing 3. The clamp 1 is covered with the casing 3 exclusive of the projections 2. The electrode plate 20 is held in the holding part 6 and the peripheral part of the hole 3b is compressed by the force of the expansion spring 5. The projections 2 are electrically shut off by the effect thereof, by which the electrolysis of the projections and the infiltration of the electrolyte described above are prevented.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electrode connecting device for electrolysis. More particularly, the present invention relates to a connecting device for supplying an electric current to an electrode for electrolysis in an electrolytic cell, which can easily replace an electrode plate or an electrode rod in a short time.

[0002]

2. Description of the Related Art Conventionally, an electrode and a lead wire for electrolysis in an electrolytic cell have been attached by welding, soldering, bolting or the like. In this case, if the connection between the electrode and the lead wire comes into contact with the electrolytic solution, electricity will flow from the lead wire, solder, bolts, etc. into the electrolytic solution to lower the electrolysis efficiency, or the lead wire etc. will be electrolyzed. The part was sealed with resin or the like.

[0003]

According to the conventional mounting, when the electrodes are replaced, several steps of welding, removal of solder, bolts, etc., sealing removal, cutting of lead wires, and mounting in reverse order are carried out. Is necessary and time-consuming. In addition, since welding and soldering require special equipment and special knowledge, not everyone can easily replace the electrodes. Furthermore, if the seal is insufficient, the connection may be electrolyzed.

Therefore, an object of the present invention is to provide a device in which anyone can easily attach and replace the electrodes used in the electrolytic cell in a short time.

[0005]

The object is to provide a casing (3) having a recess (18) for accommodating an electrode, which is an instrument for passing an electric current through an electrode for electrolysis, and the recess (18). ), A lead wire (4) inserted from an inlet (17) on the opposite surface side, a clamp (1) having a substantially U-shaped cross section housed in the casing (3), and the clamp (1).
And a means (5, 10) for biasing the electrode for electrolysis, the electrode holding end (6a) of the clamp (1) is provided with a projection (2), and the projection (2) is provided. Other than 2) and the lead wire inlet (17), it can be achieved by an electrolysis electrode connecting device characterized in that it is liquid-tightly enclosed by the casing (3) which is an elastic insulating coating.

According to the connecting device of the present invention, the springs (5, 1)
The electrodes can be exchanged in a short time because the electrodes are sandwiched by a force such as 0). Also, no special equipment or specialized knowledge is required when attaching or replacing the electrode, and anyone can easily perform it. Furthermore, since the projection (2) is surrounded by the casing (3) which is an elastic insulating coating, the lead wire and the like are not electrolyzed.

In the present invention, the material, shape and size of the electrode are not limited, and the present invention can be applied to, for example, an anode or a cathode made of a flat plate or round bar carbon material. Also, it does not depend on the type of electrolyte.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments and modifications of the present invention will be described in detail with reference to the drawings together with the operation.

FIG. 1 shows a schematic sectional view of one embodiment of the connecting device of the present invention. The clamp 1 is made of a conductive material having rigidity, for example, a metal, and its tip portion is composed of an electrode holding portion 6 provided with a protrusion 2 having a circular cross section. The tip of the lead wire 4 is connected to the electrode holding portion 6. The clamp 1 is covered with a casing 3 which is an elastic insulating coating except for the protrusions 2. The casing 3 is provided with a circular hole 3b slightly larger than the size of the protrusions 2 and a lead wire inlet 17. ing. The protrusion 2 is in contact with the electrode plate 20 and has the same length as or slightly shorter than the thickness of the peripheral portion 3c of the hole 3b of the casing 3 in order to prevent the electrolytic solution from entering the space surrounded by the casing 3. . The casing 3 is not limited in material as long as it is made of an insulating material having a certain degree of flexibility and water resistance such as rubber and resin. The upper portion 3a of the casing 3 forms an inlet 17 for the lead wire, which is pressed against the lead wire 4 to form an electrolyte solution (not shown).
Are prevented from entering the space surrounded by the casing 3. The clamp 1 is configured to hold the electrode plate 20 between the electrode holding portions 6 by the force of the extension spring 5.
The force of the extension spring 5 holds the electrode plate 20 and compresses the hole peripheral portion 3c of the casing located at the electrode holding end 6a. By this action, the protrusion 2 is electrically blocked and is not electrolyzed, and the electrolytic solution is prevented from entering the space surrounded by the casing 3. Electricity is supplied from the power source (not shown)
And is supplied to the electrode plate 20 through the electrode holder 6 and the protrusion 2. Further, instead of the extension spring 5, a compression spring may be provided in the grip portion 1a of the clamp. Furthermore, the tip of the lead wire 4 may be connected to another location, for example, the grip portion 1a of the clamp. When attaching or replacing the electrode plate 20, it is sufficient to turn off the electricity, pull up the electrode holding portion 6 to a place where the electrolytic solution is not applied, and loosen the clamp 1.

FIG. 2 shows a schematic sectional view of one modification of the connecting device of the present invention. When the same members as those in FIG. 1 are represented by the same reference numerals, in FIG. 2, the shape of the clamp 1 of the embodiment is mainly different, and the electrode holding portion 6 has the same structure as that of the embodiment. That is, in this modification, the torsion coil spring 1
The electrode plate 20 is sandwiched by a force of 0, and the support rod 11 and the clamp 1 are connected at the position of the rotating shaft 1b. According to this structure, not only electrical connection of the electrode plate 20 but also mechanical support of the electrode plate 20 can be performed at the same time.

FIG. 3 shows a schematic sectional view of another modification of the connecting device of the present invention. The same members as those in FIG. 1 are represented by the same reference numerals. In this modification, the protrusion 2 is a part of the terminal 7 in the terminal chamber 8 provided in the electrode holding portion 6, and the terminal 7 has a tip end of the lead wire 4 on the surface opposite to the direction of the protrusion 2. Connected with. Other parts have the same structure as the embodiment or the modification of FIG. 2, but the clamp 1 is
It may be made of a rigid insulating material such as plastic or ceramic. The protrusion 2 projects through the hole 6b of the electrode holding portion 6 and the hole 3b of the casing, and is slightly longer than the thickness of the peripheral portion 3c of the hole of the casing. When the electrode plate is sandwiched, the projection 2 contacts the electrode plate 20 by the force of the coil spring 9 and moves toward the terminal chamber 8.
By thus configuring the electrode holding portion 6 and the protrusions 2, it is possible to reliably prevent the electrolytic solution from entering the space surrounded by the casing 3. In this case, the force of the coil spring 9 is adjusted to be strong enough to bring the projection 2 into contact with the electrode plate 10 and not to prevent the hole peripheral portion 3c of the casing from blocking the electrolytic solution. There is. Electricity is supplied to the electrode plate 20 through the coated lead wires 4 and the terminals 7.

FIG. 4 shows a schematic sectional view of still another modification of the connecting device of the present invention. The same members as those in FIG. 1 are represented by the same reference numerals. Other than the electrode holder 6, the embodiment or FIG.
The clamp 1 has the same structure as that of the modified example, but is made of a material that has rigidity and does not stick to the magnet, such as plastic or ceramic. In this modification, the repulsive force of the magnet 12 is used instead of the force of the coil spring 9 to urge the electrode holding portion 6. On the contrary, it is also possible to utilize the attractive force of the magnet. Here, an O-ring 13 is provided on the electrode holding end 6a to prevent the O-ring 13 from entering the space surrounded by the casing 3.

[0013]

According to the present invention, the electrode for electrolysis can be easily attached and replaced in a short time. Further, no special equipment such as welding, specialized knowledge, skill, etc. are required, and anyone can easily handle it even in a general household. Further, it is not necessary to seal the connecting portion between the electrode and the lead wire.

[Brief description of drawings]

FIG. 1 is a schematic cross-sectional view of an example.

FIG. 2 is a schematic cross-sectional view of a modified example.

FIG. 3 is a schematic cross-sectional view of an electrode holding portion of another modified example.

FIG. 4 is a schematic cross-sectional view of an electrode holding portion of still another modified example.

[Explanation of symbols]

 1 Clamp 1a Grip part 1b Rotating shaft 2 Protrusion 3 Casing 3a Upper part 3b Hole 3c Hole circumference part 4 Lead wire 5 Extension spring 6 Electrode holding part 6a Electrode holding end 6b Hole 7 Terminal 8 Terminal chamber 9 Coil spring 10 Twisting coil spring 11 Support bar 12 Magnet 13 O-ring 14 Soldering 15 Lead wire insertion hole 16 O-ring annular groove 17 Lead wire inlet 18 Recess 20 Electrode plate

Claims (1)

[Claims] 1. An apparatus for applying an electric current to an electrode for electrolysis, comprising a casing (3) having a recess (18) for accommodating the electrode, and an inlet (17) on the opposite surface side of the recess (18). ), A clamp (1) having a substantially U-shaped cross section housed in the casing (3), and means (5, 10) for urging the clamp (1). ), And an electrode holding end (6a) of the clamp (1) is provided with a protrusion (2), and the protrusion (2) and an inlet (17) of the lead wire. Other than the above, it is liquid-tightly enclosed by the casing (3) which is an elastic insulating coating, and is a connecting device for an electrode for electrolysis.