JP5907438B1 - Cold / hot water machine with air vent means - Google Patents

Abstract

To provide a cold / hot water machine having an air vent means for smoothly supplying and managing water by naturally discharging and removing air or air pressure in a cold water tank. An air vent portion (30) has one end communicating with the upper inside of the cold water tank (14) and the other end extending to the outside, and is installed on the other end side of the line. The check valve 32 is configured to allow discharge and block external air flow. [Selection] Figure 4

Description

  The present invention relates to a chiller / heater, and more particularly, to a chiller / heater that can smoothly supply water by allowing air inside a tank to be naturally air-vented. .

  The cold / hot water machine is a device that can cool and heat normal drinking water and store it so that it can be output as cold water or hot water as needed. While drinking water that has been treated with purified water due to contamination of the water supply source, so-called raw water has become widespread, chiller / heaters have become widespread and have been used mainly in offices and canteens. It is used.

  Referring to FIG. 1 and FIG. 2, a chiller / heater generally includes a water supply hole 4 and two cocks 5 and 6 which are erected on an indoor floor, drilled on an upper surface and fixed on the front surface. The housing 1 includes a water tank disposed in the housing 1, and the water tank includes a cold water tank 2 and a hot water tank 3.

  The cold water tank 2 is disposed below the hole 4 and communicates directly with the hole, and a cooling coil 7 is wound around the surface several times. The hot water tank 3 is disposed at the lower part of the cold water tank 2 and communicates with a connecting pipe 9 extending deep inside the cold water tank 2, and an electric heater 8 is installed inside. The cocks 5 and 6 are connected to the cold water tank 2 and the hot water tank 3, respectively.

  A separately supplied water reservoir B is detachably mounted in the upper hole 4 of the housing 1 in an inverted state. This water is first supplied to the cold water tank 2 through the hole 4 and then supplied to the hot water tank 3 while the water level of the cold water tank 2 exceeds the end of the connecting pipe 9. When the hot water tank 3 becomes full in this way, the water level of the cold water tank 2 further rises and the supply of water is interrupted. Since the cooling coil 7 and the electric heater 8 operate in this state, when the cocks 5 and 6 are opened, cold water or hot water is output.

  The cold / hot water machine having the above-described structure experiences that shock and vibration are generated with a loud sound while air is rising inside the water storage cylinder when the water storage tank B is first attached or during use. This is because air pressure is actually formed in the water tank, particularly the cold water tank 2.

  The air pressure in the cold water tank 2 described above is used when the water tank is separated and installed to replace the water tank, when the remaining amount of water, temperature, external environment, etc. change, or when it is continuously used repeatedly. However, this is naturally harmful to the natural supply of water, the water quality environment, and the safety of water heaters. In addition, an increase in air pressure at the top of the water storage cylinder or an abnormal supply of water may result in an overflow.

  In relation to this problem, Korean Utility Model Registration No. 281094, Korean Patent Publication No. 2003-62845, Korean Patent No. 12141412, etc. include cold / hot water having a check valve for preventing water overflow in the cold water tank. In particular, Korean Patent No. 1252240 discloses a cold / hot water machine provided with an auxiliary tank that separately stores water that has flowed back due to an increase in actual air pressure.

  Although these examples are effective in preventing water overflow, they do not originally offer a fundamental solution to reduce the increase in air volume and air pressure.

  On the other hand, these examples can be applied when using a structurally strong cylindrical water reservoir B, but are practically inapplicable in the case of a plastic container which has recently been mentioned as a substitute. Is possible. In fact, flexible plastic containers must be kept in a vacuum state as much as possible, and conversely, if the air fills the inside, it becomes difficult to seal the plastic container, which tends to cause water leakage. Because.

  In Korean Patent No. 1215419, in order to prevent such leakage of the vinyl container, a cold / hot water machine provided with a discharge port of the vinyl container on the upper side and pumping and supplying water inside the discharge port. Is disclosed. However, in this case, it is natural that the structure and design of the chiller / heater are complicated. Therefore, it is judged that there is a considerable problem in its effectiveness.

  The present invention has been proposed to overcome the above-mentioned problems or limitations of the prior art, and its purpose is to allow water or air pressure in the cold water tank to be discharged and removed naturally, thereby allowing water to flow. The present invention is to provide a cold / hot water machine in which the supply and management of water are smoothly performed, that is, a cold / hot water machine having an air vent means.

The cold / hot water machine of the present invention includes a water bottle mounting portion provided on the upper surface, a housing including a discharge cock provided on the front surface, and a cold water tank and a hot water tank disposed below the water bottle in the housing. It is designed to have air vent means on the basis of a normal hot and cold water machine.
More specifically, the cold / hot water machine of the present invention is:
A water bottle mounting portion provided on the upper surface, and a housing provided with a discharge cock provided on the front surface;
A cold water tank disposed below the water bottle in the housing and connected to the cock;
A pipe-type intrusion pin that is fixed to the bottom surface of the water bottle mounting portion and has an upper end that penetrates into the upper water bottle and directly forms a flow path between the upper water bottle and the lower cold water tank,
One end communicates with the upper side of the inside of the cold water tank and the other end extends to the outside, and is installed on the other end side of the line, allowing discharge of the internal air of the cold water tank and inflow of external air And an air vent part including a check valve for shutting off.
Here, the water bottle is a plastic container.
Preferably, the air vent portion is designed such that the other end of the pipeline is disposed at the same or higher position than at least the highest water level in the water tube mounted on the water tube mounting portion.
The check valve is
A valve housing communicating with the other end of the line;
And a valve element disposed inside the valve housing and closing and opening the other end by its own weight and exhaust air pressure.
Depending on the embodiment, the valve element is a check ball or a check plate.
On the other hand, the hot and cold water machine of the present invention further includes a guide part for safe mounting of the water bottle,
A plurality of opposing guide protrusions provided in a vertical direction on the inner surface of the side wall of the mounting portion and protruding higher than at least the intrusion pin;
The upper end of the projection is slidably movable in the lateral direction, the edge is provided with a groove corresponding to the guide projection, the center is provided with a hole corresponding to the intrusion pin, and moves when the locking is released to guide A stand that descends along the protrusion, and the intrusion pin protrudes from the central hole,
And a switch button for locking and releasing the mounting table, and a locking part installed on one side wall of the mounting part.

The cold / hot water machine of this invention comprises the air vent part provided in communication with the cold water tank in a housing. The air vent part is opened by air pressure so that the internal air is discharged to the outside. Thus, unnecessary air or air pressure in the cold water tank is naturally discharged outside the cold / hot water machine and removed without any special operation. Therefore, there is an effect that water supply and management are performed smoothly.
Moreover, the cold / hot water machine of this invention has the effect that the safe mounting | wearing of a water bottle is attained by the structure of the said guide part.

It is a perspective view of the conventional cold / hot water machine. It is sectional drawing of the principal part of FIG. It is sectional drawing of the cold / hot water machine which concerns on this invention. It is a figure for demonstrating the effect | action of FIG. It is a figure for demonstrating the guide part part of FIG. It is a figure for demonstrating the operation | movement of FIG. FIG. 6 is a cross-sectional view of the “A” portion of FIG. 5.

  The features and effects of the above-described or not-described cold / hot water machine having the air vent means of the present invention (hereinafter referred to as “cold / hot water machine”) will become more apparent from the description of the embodiments described later with reference to the accompanying drawings. Will. In FIG. 3 and subsequent figures, a chiller / heater according to the present invention is denoted by reference numeral 10.

  3 and 4, a chiller / heater 10 according to the present invention includes a housing 11 having a water bottle mounting portion 12 provided on an upper surface, and discharge cocks 13a and 13b provided on a front surface. An air vent means for discharging unnecessary internal air, and a separately provided water bottle W are guided on the basis of a normal cold / hot water machine including a cold water tank 14 and a hot water tank 15 disposed below the water bottle W of the water bottle W. Designed to include means for

  Specifically, the housing 11 includes an upper water bottle mounting portion 12. In the present embodiment, the water bottle mounting portion 12 is configured in a case shape including a bottom surface 16, a side wall 16 a extending upward from an edge of the bottom surface, and a lid 17 that covers the internal space of the side wall 16 a. The If the water bottle W applied to the present embodiment is a solid cylindrical water storage pipe (so-called fresh water pipe), such a shape is not necessarily suitable. However, the present invention is designed to be optimal when a plastic container that can be freely deformed into the water bottle W is actually applied. In this case, the case-shaped structure described above is determined to be suitable. Is done. Of course, the specific shape can be changed as necessary.

  The cold water tank 14 is disposed inside the housing 11 below the water bottle W, and a cooling coil is wound around its surface several times. The hot water tank 15 is disposed below the cold water tank 14 and communicates with the cold water tank by a connecting pipe 18 extending deep inside the cold water tank 14, and an electric heater 19 is installed therein. . The cocks 13a and 13b are connected to a cold water tank 14 and a hot water tank 15, respectively.

  Here, the water bottle W and the cold water tank 14 communicate with each other by a pipe-type intrusion pin 20. Specifically, the intrusion pin 20 is fixed in a state of projecting from the bottom surface 16 of the water bottle mounting portion 12, and an upper end portion enters the upper water bottle W and is located between the upper water bottle W and the lower cold water tank 14. It is means for directly forming a flow path. In the drawing, reference numeral 21 denotes a through hole formed on one side of the intrusion pin 20 to form the flow path.

  Characteristically, the cold / hot water machine 10 of the present invention includes an air vent part 30. Specifically, the air vent part 30 is installed on the other end side of the line 31 with one end 31 a communicating with the upper side inside the cold water tank 14 and the other end 31 b extending to the outside. And a check valve 32 that allows the discharge of the internal air of the cold water tank and blocks the inflow of the external air.

  Preferably, the air vent part 30 is designed so that the end 31a of the line 31 on the cold water tank 14 side is not immersed at least in the water surface of the water stored in the cold water tank 14, while The end 31b is designed to be disposed at a position that is at least equal to or higher than the highest water level in the water bottle W attached to the water bottle mounting portion 12. This is effective not only for smoothing the air vent but also for minimizing the overflow of water and water vapor as much as possible.

  More specifically, the check valve 32 is disposed inside the valve housing 33 that communicates with the other end 31b of the line 31, and closes the other end 31b by its own weight and discharge air pressure. And a valve element 34 to be opened. In the present embodiment, the valve element 34 is a check ball, but it may be a check plate depending on the design.

  As shown in the drawing, the valve housing 33 is disposed on one side of the water bottle mounting portion 12 covered with the lid 17. This is designed for the protection and structural stability of the air vent 30. For example, when water or water vapor is discharged through the air vent 30, the water does not fall on the indoor floor, By collecting in the water bottle mounting portion 12, it is effective to facilitate the treatment.

  Referring to FIGS. 5 and 6, the hot and cold water machine 10 of the present invention further includes a guide portion 40 as a means for safely mounting the water bottle W. Specifically, the guide part 40 is formed in a direction perpendicular to the inner surface of the side wall 16a of the mounting part 12 and protrudes at least higher than the intrusion pin 20; A groove 42 corresponding to the guide protrusion 41 is provided at the upper end of the hole 42 corresponding to the guide protrusion 41, and a hole 43 corresponding to the intrusion pin 20 is formed in the center. The water bottle mounting portion includes a stationary table 44 in which the intrusion pin 20 protrudes from the central hole 43 and a switch button 47 for locking and releasing the stationary table 44. 12 and a locking portion 45 installed on one side wall 16b.

For smooth sliding movement of the mounting table 44, a roller 46 may be installed on the upper end of the guide protrusion 41, and an upper surface of the protrusion 41 or an inclined surface (see FIG. 7 (see 49 in FIG. 7). More specifically, the locking portion 45 includes a hook 48 that hooks one end portion of the mounting table 44 and an elastic operation switch button 47 that operates the hook 48 to release the fixing.

Thereafter, the water in the water bottle W is first supplied to the cold water tank 14 through the through hole 21 of the intrusion pin 20 disposed through the water bottle W, and the water level of the cold water tank 14 is changed to that of the connecting pipe 18 by continuous supply. It is supplied to the hot water tank 15 beyond the end. When the hot water tank 15 becomes full, the water level in the cold water tank 14 further rises and the supply of water is no longer interrupted.
Since the cooling coil and the electric heater 19 are operating in this state, when the user opens the cocks 13a and 13b, cold water or hot water is output.

On the other hand, before the water bottle W is provided, the inside of the cold water tank 14 is exposed or opened to the outside air, and thus the outside air is contained. Then, when the water bottle W is provided to the water bottle mounting portion 12 on the upper side of the housing 11, the inside of the cold water tank 14 is filled with air. While water is supplied in this state, air pressure and air resistance are generated at this time. In the present invention, the air pressure and the resistance are naturally released when the air is discharged through the air vent portion 30.

Even if a small amount of water or water vapor is discharged during the above-described air vent, the water is collected on the bottom surface 16 of the water bottle mounting portion 12. Therefore, there is no possibility of water splashing around the cold / hot water machine 10, and the discharged water is easy to treat.

  The air discharge method using the air vent part 30 described above is always effective not only when the water bottle W is provided to the water bottle mounting part 12 on the upper side of the housing 11 but also when air flows into the cold water tank 14 during use. Operates on. Therefore, there is an advantage that the cold / hot water machine 10 can be used stably at any time.

DESCRIPTION OF SYMBOLS 10 Cold / hot water machine 11 Housing 12 Water bottle mounting part 13a Cock 13b Cock 14 Cold water tank 15 Hot water tank 16 Bottom face 16a Side wall 16b Side wall 17 Lid 18 Connection pipe 19 Electric heater 20 Intrusion pin 21 Through hole 30 Air vent part 31 Pipeline 32 Check valve 33 Valve housing 34 Valve element 40 Guide part 41 Guide protrusion 42 Groove 43 Hole 44 Stationary table 45 Locking part 46 Roller 47 Switch button 48 Hook 49 Inclined surface W Water bottle

Claims (7)

In a chiller / hot water machine comprising a housing having a water bottle mounting portion provided on the upper surface and a discharge cock provided on the front surface, and a chilled water tank and a hot water tank disposed below the water bottle in the housing,
A housing provided with a plastic container-type water bottle mounting portion on the upper surface of the case shape including the bottom surface and the lid, and a discharge cock provided on the front surface;
A cold water tank disposed below the water bottle in the housing and connected to the cock;
A pipe-type intrusion pin that is fixed to the bottom of the water bottle mounting portion and has an upper end that enters the upper water bottle and directly forms a flow path between the upper water bottle and the lower cold water tank;
One end communicates with the upper side of the inside of the cold water tank, the other end extends to the outside, and is installed on the other end side of the line, and discharge of the internal air of the cold water tank is allowed. and inflow of external air look including the air vent portions consisting of a check valve for blocking,
The check valve is
A valve housing communicating with the other end of the line;
A valve element disposed inside the valve housing and closing and opening the other end by its own weight and exhaust air pressure;
The hot and cold water machine having an air vent means, wherein the valve housing is arranged on one side in the water bottle mounting portion .   2. The air vent according to claim 1, wherein the air vent portion is designed so that at least an end portion of the line on the cold water tank side is not immersed in a water surface of water stored in the cold water tank. Hot and cold water machine with means.   The air vent part is designed such that the other end of the line is arranged at the same or higher position as compared with the highest water level in the water bottle attached to the water bottle mounting part. The cold / hot water machine which has an air vent means of Claim 1. The hot and cold water machine having an air vent means according to claim 1 , wherein the valve element is a check ball or a check plate. The hot and cold water machine is
It further includes a guide part for mounting the water bottle,
The guide portion is
A plurality of opposing guide protrusions that are formed in the vertical direction on the inner surface of the side wall of the water bottle mounting portion and that protrude at least higher than the intrusion pin;
At the upper end of the projection is placed slidably movable in the lateral direction, the edge is provided with a groove corresponding to the guide projection, the center is provided with a hole corresponding to the intrusion pin, and moves when the locking is released A base that descends along the guide protrusion, and the intrusion pin protrudes from the central hole,
The air vent means according to claim 1, further comprising a switch button for locking and releasing the stationary table, and a locking portion installed on one side wall of the water bottle mounting portion. Cold and hot water machine. The air vent according to claim 5 , wherein the locking part includes a hook for hooking one end of the cradle and an elastic operation switch button for operating the hook to release the lock. Hot and cold water machine with means. 6. The hot and cold water machine having an air vent means according to claim 5 , wherein an inclined surface that contacts the upper end of the protrusion is formed around the groove for smooth sliding movement of the gantry. .