JP2563543B2 - Electric water heater with turntable - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to an electric water heater used in ordinary households.

2. Description of the Related Art A conventional electric water heater of this type has a structure shown in FIG.

That is, a cover 4 that covers the lower surface opening of the container 1 is fixed to the container mounting bracket 3 that is attached to the lower surface of the container 2 inside the container 1, and a sliding portion 5 is provided near the outer periphery of the cover 4. There is. Further, the rotary base receiver 6 and the rotary base 7 constitute a rotary function part, and the rotary function part is rotatably mounted on the cover 4 by a support frame 8. A sliding part receiver 9 is formed in the vicinity of the outer circumference of the rotary table receiver 6.
The sliding portion 5 of the cover 4 and the sliding portion 5 are made to correspond to each other so that the sliding movement can be performed. Further, by providing a gap a between the support frame 8 and the rotary base receiver 6, smooth rotation is enabled. In addition, in order to assemble the components, the upper and lower sides of the body 1 are reversed from those shown in FIG. 4, the cover 4 is attached to the body 1, and then the rotary base receiver 6 is first placed on the cover 4. However, since it is unstable as it is, the support frame 8 is fixed to the cover 4, then the terminal block 12 having the terminal plate 10 and the terminal rod 11 is set at a predetermined position, and the lead wire 14 from the hot water temperature control device 13 is set. Is connected to the terminal plate 10 by tightening screws 14a. At this time, since the rotary base receiver 6 on which the terminal block 12 is set is rotatable with respect to the cover 4, the screw tightening work becomes unstable. Further, the rotary base 7 is fixed to the rotary base receiver 6 with screws 7a or the like, and the assembly is completed.

DISCLOSURE OF THE INVENTION Problems to be Solved by the Invention However, in such a configuration, since the rotating table 7, the rotating table receiver 6, and the support frame 8 are required in order to exert the rotating function, the number of parts is increased, and accordingly, the number is increased. However, in order to obtain smooth rotation, it was necessary to have dimensional accuracy among the parts. Further, in this configuration, there is a problem that the assembly becomes complicated and sometimes the wiring work to the terminal block 12 becomes unstable and the wiring cannot be automated.

The present invention solves such problems, and an object of the present invention is to simplify the assembling work and to perform the wiring work in a stable state.

Means for Solving the Problems In order to solve the above problems, according to the present invention, a rotary base is rotatably mounted on a cover that covers a lower opening of a body by screws, and a temporary setting part of a terminal base is mounted on the cover. Is provided so that the electrical connection by the lead wire of the terminal block and the hot water temperature control device can be completed before the assembly of the rotary table.

Further, according to the present invention, after the electrical connection is completed, the terminal block is temporarily set so as to face the window portion of the rotary table, and then the rotary table is rotatably attached to the cover by screws.

Operation According to the above configuration, the rotating table is rotatably attached to the cover that covers the lower opening of the body with screws, and the rotating function is exhibited only by the rotating table and the screws. It is less and therefore its assembly is very simple.

Also, because the cover has a temporary setting part for the terminal block, even when connecting the lead wires to the terminal block, the temporary setting part is the cover part that is fixed to the body, which makes it unstable. As a result, reliable wiring can be achieved and electrical connection by the lead wires of the terminal block and the hot water temperature control device can be completed before the turntable is assembled.

Further, since the terminal block is temporarily set to face the window of the rotary table after the completion of the electrical connection, the rotary table can be mounted on the cover more easily.

Example Hereinafter, one example of the present invention will be described with reference to the accompanying drawings.

In FIG. 1 to FIG. 3, a bottomed cylindrical container 15 formed of a thin plate such as stainless steel is supported by being suspended in a substantially cylindrical container body 16. A heater 17 is attached to the container, and a container mounting bracket 18 is fixed to the lower surface of the container. The lower surface opening of the body 16 is covered with a cover 19, and a ring-shaped holding plate 20 is arranged on the lower surface of the cover 19, and the holding plate 20 and the cover 19 are screwed together 21
By fixing the container 15 to the container mounting member 18, the container 15 is fixed so as to be drawn downward. Further, a container is provided in the space formed by the container 15 and the cover 19.
A hot water temperature control device 22 for controlling the hot water temperature in 15 is arranged. A sliding groove 23 is formed on the lower surface near the outer periphery of the cover 19, and a boss portion 24 is integrally formed at the center so as to project downward. The turntable 27 having a substantially deep plate shape has a plurality of protrusions 25 corresponding to the sliding grooves 23 of the cover 19 in the vicinity of the outer periphery, and a hole 26 corresponding to the boss portion 24 is formed in the center. The rotary base 27 is rotatably attached to the boss portion 24 of the cover 19 by a screw 42 while being constantly biased toward the cover 19 by a circular corrugated spring 28.
As a result, the turntable 27 will not fall off the cover 19, and the load of the electric water heater will not be affected by the protrusions 25.
Will be received through the sliding groove 23.

On the other hand, a window 29 is formed on a part of the outer peripheral wall of the rotary table 27, and the terminal block 30 is temporarily fixed with a claw 31 or the like so that the terminal block 30 faces the outside from the window 29, and then a screw 32 is provided. It is stuck in. The terminal block 30 is provided with a terminal rod 33 on the outside and a terminal plate 34 on the inside, and the terminal rod 33 and the terminal plate 34 are electrically coupled.

Further, a plurality of lead wires 35 coming out of the hot water temperature control device 22 are taken out through a through hole 37 provided in a part of the disc portion 36 of the cover 19, and a connector 38 leads the lead wires 39 through the lead wire 39. It is connected to the terminal board 34 with screws 40. The connector 38 is fixed to the cover 19 with a claw or the like, and the lead wire 39 is bent when the turntable 27 is rotated.

 Next, an assembly procedure in the above configuration will be described.

In FIG. 2 and FIG. 3, after the cover 19 is fixed to the body 16, the terminal block 30 is attached to the temporary setting portion 41 of the cover 19 in the second position.
Temporarily set as shown in the figure, in this state, fix the lead wire 35 from the hot water temperature control device 22 to the cover 19 at the connector 38 part with a nail etc., and use the screw 40 to fix the lead wire 39 connected to the connector 38. Wiring to the terminal board 34, all electrical connections are completed. Then, as shown in FIG.
Temporarily fix it with the claws 31 formed near the window 29, and then set the turntable 27 at a predetermined position on the cover 19 and
At 42, it is rotatably attached to the cover 19 via a circular corrugated spring 28. Finally, the terminal block 30 is securely fixed to the rotary table 27 by the screw 32, and the assembly is completed, and the state shown in FIG. 1 is obtained.

EFFECTS OF THE INVENTION According to the present invention, as is apparent from the description of the above-described embodiments, the rotary table is rotatably mounted on the cover that covers the lower surface opening of the body with the screw, and only the rotary table and the screw function to rotate. Therefore, the number of parts is reduced, the assembly is extremely simple, and the accumulated dimensional variation is small. Therefore, there is no problem even if the parts accuracy is larger than that of the conventional product.

Also, because the cover has a temporary setting part for the terminal block, even when connecting the lead wires to the terminal block, the temporary setting part is the cover part that is fixed to the body, which makes it unstable. As a result, reliable wiring can be achieved and electrical connection by the lead wires of the terminal block and the hot water temperature control device can be completed before the turntable is assembled.

Further, after the above-mentioned electrical connection is completed, the terminal block is made to face the window of the rotary table and temporarily set, so that the assembling property of the rotary table on the cover can be greatly improved.

[Brief description of drawings]

FIG. 1 is a partially cutaway vertical sectional view of an electric water heater with a turntable showing an embodiment of the present invention, and FIG. 2 is a partially cutaway vertical sectional view showing a temporary setting state of a terminal block in the electric water heater. FIGS. 3 and 4 are partially cutaway vertical sectional views showing an assembling process of a rotary table in the same electric water heater, and FIG. 4 is a partially cutaway vertical sectional view of a conventional rotary table equipped electric water heater. . 15 …… Container, 16 …… Body, 18 …… Container mounting bracket, 19 ……
Cover, 22 ... Hot water temperature control device, 23 ... Sliding groove (sliding part), 24 ... Boss part, 25 ... Protrusion (sliding part receiving), 26 ...
… Hole, 27 …… Turning table, 29 …… Window part, 30 …… Terminal block, 35,3
9 …… Lead wire, 41 …… Temporary set part, 42 …… Screw.

Claims (2)

(57) [Claims] 1. A bottomed cylindrical container, which is hung and supported in a substantially cylindrical body and has a container mounting metal fitting on the lower surface, a boss portion in the center, and a sliding portion near the outer periphery, A cover attached to the body via the container mounting bracket so as to cover the lower surface opening of the body, a hot water temperature control device provided in the space between the cover and the container, and a lower surface of the cover, It has a hole corresponding to the boss in the center, a slide receiving part corresponding to the sliding part of the cover in the vicinity of the outer circumference, and a window part in a part of the outer peripheral wall. A substantially deep pan-shaped turntable that is freely attached, a terminal block that faces the outside from the window of the turntable, and a portion of the cover that penetrates and electrically connects the terminal block and the hot water temperature control device. In order to assemble them, a temporary setting part for the terminal block is installed on the cover. The terminal block prior to assembly of the turntable and the electric kettle with turntable which is adapted electrical connection can be completed by leads hot water temperature control system. 2. The rotary table according to claim 1, wherein after the electrical connection is completed, the terminal block is temporarily set facing the window of the rotary table, and then the rotary table is rotatably mounted on the cover by screws. Electric water heater.