TWI644067B - Freezer drain - Google Patents

Abstract

A drain device for a freezer, comprising: a drain pipe connected to the bottom of the freezer compartment of the freezer and extending to the outside of the freezer; a nozzle sleeve sleeved at the bottom end of the drain pipe, the bottom end of the pipe casing The utility model has a drain port, and a hammer plate leaflet pivoted on a side of the bottom end of the pipe mouth sleeve with a pivot shaft, and the opposite ends of the hammer plate leaflet pivoted as a pivot point respectively have a plate portion and a heavy hammer The sealing portion can be opened to cover the drain opening of the nozzle sleeve. The drainage device of the freezer of the invention can automatically open or close the drainage port of the drainage device according to whether the deicing operation of the freezer is opened or not, has the convenience of operation, and has the function of preventing the freezer from being cooled and preventing external foreign matter from intruding into the interior of the freezer through the drainage port. The role.

Description

Freezer drain

The present invention relates to a drainage device, and more particularly to a drainage device for a freezer when defrosting.

In order to maintain the proper coldness of ice products such as ice cream, a freezer is usually provided to store ice products therebetween.

The freezer generally has a freezer body and a freezer compartment formed inside the freezer body. A compressor is installed in the freezer body, and a refrigerant copper pipe is embedded in the wall of the freezer body. The compressed refrigerant is sent by the compressor to the refrigerant copper pipe, and then distributed to the freezer by the refrigerant copper pipe located in the wall of the freezer body. Cold air to keep the ice stored in the freezer room at a predetermined degree of coldness.

After using the freezer for a period of time, it will frost on the wall of the freezer compartment, which will reduce the cooling effect of the freezer, so it is necessary to defrost it at the right time. When defrosting, the original frost will be turned into water, and then discharged to the outside of the freezer by the drain pipe provided at the bottom of the freezer compartment.

There are two types of conventional drains for freezers, one is an open drain and the other is a closed drain.

Although the open drain pipe is convenient to use, it has a freezer drain The shortcomings of cold, and foreign objects such as mosquitoes are easily invaded into the interior of the freezer by the drain of the open drain.

The closed drain pipe is closed by a drain plug at the drain of the drain pipe, and the drain plug is pulled out during defrosting, and the drain plug is plugged to the drain port of the drain pipe when the defrosting is completed. Although it is a kind of closed drain pipe, it can avoid the freezing of the freezer and avoid the invasion of external foreign objects into the interior of the freezer. However, when it is used, it still has the following disadvantages: (1) The drain of the drain pipe and its drain plug are usually located at the bottom of the freezer. The hidden position is extremely inconvenient for the operation of pulling out and plugging the drain plug; (2) If the drain plug is pulled out before the defrosting operation, the drain plug is not easily pulled out due to the frosting factor. And the drain plug is easy to be lost; (3) If the drain plug is pulled out after the defrosting is completed, there is uncertainty about when the defrosting will be completed.

Therefore, the freezer is known to have obvious disadvantages whether it is an open drain or a closed drain.

The invention provides a drainage device for a freezer, so that the drainage opening of the drainage device can have the function of automatically opening or closing the drainage opening according to whether the defrosting action of the freezer is performed.

According to an aspect of the present invention, a drain device for a freezer is provided, the ice chest includes a freezer body and a defrosting device, a freezer compartment is formed inside the freezer body, and the defrosting device is disposed on the freezer body; The water device comprises: a drain pipe connected to the bottom of the freezer compartment and extending to the outside of the freezer body; a nozzle sleeve sleeved at the bottom end of the drain pipe, the bottom end of the pipe mouth casing having a drain port; And a hammer plate, which is pivotally disposed on a side of the bottom end of the nozzle sleeve, and the opposite ends of the hammer flap having the pivot as a fulcrum respectively have a plate portion and a weight portion, and the sealing portion It can be opened to cover the drain of the nozzle casing.

According to an embodiment of the invention, the weight portion includes a weight portion and a weight rod, and the weight portion has a mounting hole, and the weight rod is received in the mounting hole.

According to an embodiment of the invention, the inner surface of the bottom of the freezing compartment is an inclined inner surface.

According to an embodiment of the invention, the defrosting device has a plurality of electric heating members, and the electric heating members are electric heating sheets or electric heating wires.

According to an embodiment of the invention, the freezer body is provided with a temperature sensing bar for sensing whether the temperature of the freezer compartment reaches a predetermined temperature of the defrosting.

According to an embodiment of the invention, the ice bin further includes an inner slot located inside the freezer compartment, and an outer wall of the inner slot and the wall of the freezer compartment are spaced apart to form a return air duct, and the inner slot is A fan unit is arranged at the bottom to communicate with the inner and inner return ducts of the inner tank.

According to the drainage device of the freezer according to the present invention, the drainage port of the drainage device can be automatically opened or closed according to whether the deicing operation of the freezer is opened or not, which has the convenience of operation, and prevents the refrigerator from being cooled and prevents external foreign matter from being drained. The role of the mouth invading the interior of the freezer.

100‧‧‧Freezer body

110‧‧‧ liner

120‧‧‧PU foam layer

130‧‧‧Shell

140‧‧‧Freezer

141‧‧‧Inside the slope

150‧‧‧Insulation board

160‧‧‧Compressor

200‧‧‧defrost device

210‧‧‧Electric heating parts

300‧‧‧ Inside slot

310‧‧‧Return air duct

320‧‧‧Fan unit

400‧‧‧Drainage device

410‧‧‧Drainage pipe

420‧‧‧tube casing

421‧‧‧Drainage

430‧‧‧ Hammer Sheet

431‧‧‧ pivot

432‧‧‧Blank Department

433‧‧‧ Heavy Hammer

434‧‧‧heavy body

435‧‧‧heavy hammer

436‧‧‧Installation holes

500‧‧ ‧ temperature bar

1 is a cross-sectional view showing a drain device of a freezer and a freezer thereof according to an embodiment of the present invention, and showing a schematic diagram of a draining operation during defrosting.

Fig. 2 is an exploded view showing the drain device shown in Fig. 1.

Fig. 3 is a cross-sectional view showing the assembly of the drain device shown in Fig. 2.

Fig. 4 is a schematic view showing the operation of the drain device shown in Fig. 3.

The foregoing and other technical aspects, features and advantages of the present invention will be apparent from the Detailed Description of the accompanying drawings.

Referring to FIGS. 1 through 3, a drain device for a freezer according to an embodiment of the present invention includes a freezer body 100, a defrosting device 200, an inner tank 300, and a drain device 400.

The freezer body 100 includes a liner 110 having a combination of inner and outer layers, a PU foam layer 120, and a casing 130. A freezer compartment 140 is formed inside the freezer body 100. The inner surface of the bottom of the freezer compartment 140 is an inclined inner surface 141. A pair of thermal insulation panels 150 are disposed on the inner periphery of the top of the freezer body 100 and are located at the top of the freezer compartment 140 and are mutually slidable to close or open the freezer compartment 140. The freezer body 100 is equipped with a compressor 160 and buried in the wall of the freezer body 100. A refrigerant copper pipe (not shown) is provided, and the compressed refrigerant sent from the compressor 160 is circulated to the refrigerant copper pipe, and the cold air is radiated from the refrigerant copper pipe located in the wall of the freezer body 100 to the freezing compartment 140.

Ice (not shown) may be placed inside the freezer compartment 140 or placed inside the inner tank 300. The inner tank 300 is located inside the freezing compartment 140. The outer wall of the inner tank 300 and the wall of the freezer compartment 140 (ie, the inner tank 110 of the freezer body 100) are spaced apart to form a return air duct 310, and a fan unit 320 is disposed at the bottom of the inner tank 300 for communication therewith. The interior of the inner tank 300 and the return air duct 310. According to the air-cooled forced blowing of the fan unit 320, the cold air emitted from the freezer body 100 to the freezing chamber 140 can be circulated to the inside and the outside of the inner tank 300 along the return air duct 310, so that the temperature difference between the upper portion and the lower portion of the freezing chamber 140 The smaller, that is, the space inside the freezer compartment 140 including the inner tank 300 can obtain a relatively uniform temperature (coldness); thus, the ice products stored in the interior of the freezing compartment 140 have the same degree of softness and hardness while maintaining the ice. Consistent quality and taste.

The defrosting device 200 has a plurality of electric heating members 210 which are provided on the outer wall of the inner tank 110 of the freezer body 100. The electric heating member 210 may be a heating sheet or a heating wire. The heating element 210 is electrically connected to a power source (not shown), and has a defrosting effect when the heating element 210 is energized and heated.

The inner wall of the inner tank 110 of the freezer body 100 is provided with a temperature sensing rod 500 for sensing whether the temperature of the freezing chamber 140 rises to a predetermined temperature of the defrosting, thereby controlling whether the heating element 210 stops the electric defrosting or continues the electric heating. Defrosting effect. That is, when the predetermined defrost time arrives, the electricity will be activated. The electric defrosting action of the heat member 210, at this time, if the temperature sensing bar 500 senses that the temperature of the freezing chamber 140 is lower than the preset temperature of the defrosting, for example, +3 ° C, the electric heating of the electric heating member 210 is continued. The action of the frost: If the temperature sensing bar 500 senses that the temperature of the freezing chamber 140 is higher than the preset temperature of the defrosting + 3 ° C, the electric defrosting action of the heating element 210 is stopped.

The drain 400 includes a drain 410, a nozzle sleeve 420, and a hammer sheet 430. The drain pipe 410 communicates with the bottom of the freezing compartment 140 and extends to the outside of the freezer body 100. The nozzle sleeve 420 is sleeved at the bottom end of the drain pipe 410, and the bottom end of the nozzle sleeve 420 has a drain port 421. The hammer plate leaflet 430 is pivotally disposed on one side of the bottom end of the nozzle sleeve 420 with a pivot 431. The opposite ends of the hammer plate leaflet 430 having the pivot 431 as a fulcrum have a plate portion 432 and a weight portion 433, respectively. The sealing portion 432 is slidably covered by the drain opening 421 of the nozzle sleeve 420. The weight portion 433 includes a weight portion 434 and a weight rod 435. The weight portion 434 has a mounting hole 436. The weight rod 435 is received in the mounting hole 436.

Referring to FIG. 3 together, when the defrosting operation is not normally performed, the hammer sheet 430 of the drain device 400 is pivoted by the pivot 431 according to the downward weight of the weight portion 433, so that the sealing portion 432 is upward. The drain port 421 of the nozzle sleeve 420 is covered to prevent foreign matter such as mosquitoes from entering the inside of the freezer by the drain port 421, and has an effect of preventing the freezer from being cooled.

Please refer to Fig. 1 and Fig. 4 together. When the defrosting operation is performed, the water formed by the defrosting will follow the inclined inner surface at the bottom of the freezer compartment 140. The 141 flows to the drain pipe 410 and the nozzle sleeve 420 of the drain device 400, and overcomes the weight of the weight portion 433 of the hammer plate leaflet 430 due to the weight of the water, so that the sealing plate portion 432 of the hammer plate leaflet 430 is pivoted 431. The shaft sills downwardly, so that the drain 421 of the nozzle sleeve 420 is opened, and the defrosted water is discharged outward from the drain 421 to the outside of the freezer. After the defrosting operation is completed, the drain port 421 is in a closed state covered by the sealing portion 432.

In summary, according to the drain device of the ice bin according to an embodiment of the present invention, the drain port can be automatically opened or closed according to whether the defrosting action of the freezer is opened or not, which has the convenience of operation, and has the function of preventing the freezer from leaking and preventing external foreign matter from being blocked. The effect of the drain into the interior of the freezer.

The present invention is disclosed in the above embodiments, and is not intended to limit the scope of the present invention, and various modifications and refinements may be made without departing from the spirit and scope of the invention. It is subject to the definition of the scope of the patent application attached.

Claims (6)

A draining device for a freezer, the freezer comprising a freezer body and a defrosting device, the freezer body is formed inside the freezer body, the defrosting device is disposed on the freezer body; the draining device comprises: a drain pipe connected to the a bottom of the freezer compartment and extending to the outside of the freezer body; a nozzle sleeve sleeved to the bottom end of the drain pipe, the bottom end of the nozzle sleeve having a drain opening; and a hammer plate leaflet A pivot shaft is pivotally disposed on a side of the bottom end of the nozzle sleeve, and the opposite ends of the hammer flap with the pivot as a fulcrum respectively have a plate portion and a weight portion, and the sealing portion can be opened The ground covers the drain of the nozzle casing. The drain device of the freezer according to claim 1, wherein the weight portion includes a weight portion and a weight rod, and the weight portion has a mounting hole, and the weight rod is received by the weight Install holes. A drain device for a freezer according to claim 1, wherein the inner surface of the bottom of the freezer compartment is an inclined inner surface. A drain device for a freezer according to claim 1, wherein the defrosting device has a plurality of electric heating members, and the electric heating member is a heating sheet or a heating wire. The drain device of the ice bin according to claim 4, wherein the freezer body is provided with a temperature sensing bar for sensing whether the temperature of the freezer compartment reaches a predetermined temperature of the defrosting. A drain device for a freezer according to any one of claims 1 to 5, characterized in that the ice bin further comprises an inner groove located inside the freezer compartment, an outer wall of the inner tank and a wall of the freezer compartment A return air duct is formed between the bodies, and a fan unit is disposed at a bottom of the inner tank to communicate with the inner portion of the inner tank and the return air duct.