JPH0692864B2 - Glass tube heater mounting device - Google Patents

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a glass tube heater for removing frost attached to a cooler, and more particularly to a mounting device thereof.

2. Description of the Related Art As shown in FIG. 6, a conventional glass tube heater has been installed between the side plates and c on both sides of a cooler a. That is, both ends of the drip-proof cover e are bent to the lower part of the cooler a, glass tube heaters are attached to the bent pieces, and the drip-proof cover h is fixed to both side plates and c of the cooler a. I was trying.

Problems to be Solved by the Invention For this reason, the insulation distance between the cooler B and the charging portion of the glass tube heater D cannot be secured. In order to solve this problem, defrosting water from the cooler a that reaches the lead-in line of the glass tube heater may invade the charging part and cause electric leakage.To solve this problem, install a holder for the glass tube heater made of synthetic resin. Although the proposal to install is seen from the conventional example, there is a problem that the glass tube heater is deformed by heat generation and the drip-proof cover comes off and the glass tube heater comes off.

The present invention is to solve such a conventional problem, and secures an insulation distance of the glass tube heater, has a configuration that does not invade the glass tube heater, and The purpose is to prevent the glass tube from falling off and to easily attach and detach the glass tube heater.

Means for Solving the Problems In order to achieve this object, the present invention uses a synthetic resin as a holding piece for holding an insulating rubber of a glass tube heater, and receives a nail having an anchor shape at its tip and a drip-proof cover. A flange is provided, and the glass tube heater is sandwiched by the claw of the holding piece of the glass tube heater and the flange that receives the drip-proof cover.

Action The glass tube heater mounting device of the present invention can divide the cooler and the glass tube heater to secure an insulation distance,
In addition, by fitting a drip-proof cover to the holding piece, it prevents water from entering the charging part and prevents thermal deformation due to heat generation.
It prevents the glass tube heater from falling off and facilitates mounting and removal.

Embodiment Hereinafter, one embodiment of the present invention will be described with reference to the drawings.

As shown in FIGS. 1 to 5, 1 is a cooler, and 2 is a glass tube heater, which is located below the cooler 1. Insulating rubber 3 is provided at both ends of the glass tube heater 2 to hold a glass tube and a heater (all of which are not shown in detail), and a lead wire 4 extends from the central portion. Reference numeral 5 is a drip-proof cover located between the glass tube heater 2 and the cooler 1. The central portion of the drip-proof cover 5 has an umbrella shape, and both end portions have a bent portion 6 downward at a place slightly longer than the entire length of the glass tube heater 2, and the flange portion is flange-backed. It has a hole 7. Reference numeral 8 is a holding piece formed of synthetic resin. The holding piece 8 has an arcuate shape 9 and has a claw 10 at its tip. The claw 10 has an anchor shape on the outside. Further, there is a flange 11 between the arcuate shape 9 and the claw 10. The holding piece 8 is locked to the dew receiving tray 13 by a locking tool 12 at a position corresponding to the overall length of the glass tube heater 2.

In such a configuration, when the glass tube heater 2 is inserted from the opening of the arcuate shape 9 of the holding piece 8, the space between the arcuate shapes 9 opens outward due to the elasticity of the synthetic resin, and the glass tube heater 2 is made into the arcuate shape 9. And then returns to the original arc shape 9 by elasticity, and the glass tube heater 2 is inserted. Next, the nail 10 at the tip of the holding piece 8 is attached to the hole 7 of the drip-proof cover 5.
Then, it is locked by the elasticity of the synthetic resin (state of FIG. 4). At this time, the drip-proof cover 5 is placed on the flange 11 of the holding piece 8.

In the configuration as described above, the glass tube heater 2 is energized to generate heat depending on the application, and the energization is stopped according to the application. Due to this heat generation, the synthetic resin holding piece 8 used is deformed. This is because, in the case of a material that utilizes the elasticity of a synthetic resin, normally, a heat-flexible material is used.
Tilts and acts to push up the drip-proof cover 5. As a result, the flange portion 7'of the hole 7 in the drip-proof cover 5 is
It bites into the anchor shape of the claw 10 at the tip of the holding piece 8.
By stopping the deformation in this way, the drip-proof cover 5 and the glass tube heater 2 are prevented from falling off.

Thus, the cooler 1, the glass tube heater 2 having insulating rubbers 3 at both ends located at the lower part of the cooler 1, the dew pan 13 arranged at the lower part of the glass tube heater 2, and the dew pan A pair of arc-shaped holding pieces 8 fixed to the wire tube 13 and holding the insulating rubber 3 of the glass tube heater 2, and the holding pieces 8
A pair of flanges 11 are formed at the tip of the glass tube heater 2 for receiving the drip-proof cover 5 located above the glass tube heater 2, and a claw that penetrates the hole of the drip-proof cover and supports the drip-proof cover together with the flange. The glass tube heater is sandwiched in the state where the holding force claw is inserted into the hole of the drip-proof cover.

EFFECTS OF THE INVENTION As described above, according to the glass tube heater mounting device of the present invention, the following effects can be obtained.

(1) The insulation for holding the glass tube heater with the insulator is enhanced, and the safety is improved.

(2) The waterproof treatment of water derived from the lead wire of the glass tube heater can be obtained with a simple structure.

[Brief description of drawings]

FIG. 1 is a front view of a glass tube heater mounting device according to an embodiment of the present invention, FIG. 2 is an exploded perspective view of FIG. 1, FIG. 3 is a side sectional view of FIG. 1, and FIG. 1 is a partial sectional view of the same FIG. 1, FIG. 5 is an operation view corresponding to FIG. 4, and FIG. 6 is a front view of a conventional glass tube heater mounting device. 1 ... Cooler, 2 ... Glass tube heater, 5 ... Drip-proof cover, 8 ... Holding piece, 13 ... Dew pan.

Claims (1)

[Claims] 1. A cooler, a glass tube heater having insulating rubber at both ends located at a lower portion of the cooler, a dew tray arranged at a lower portion of the glass tube heater, and fixed to the dew tray. Together with a pair of arc-shaped holding pieces for holding the insulating rubber of the glass tube heater, a flange formed at the tip of the holding piece for receiving a drip-proof cover located above the glass tube heater, and a drip-proof cover. And a claw that supports the drip-proof cover together with the flange through the hole provided in
A glass tube heater mounting device configured to sandwich a glass tube heater in a state where the claws of the pair of holding pieces are inserted into the holes of the drip-proof cover.