• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The hot water backflow prevention device is configured to block the discharge of hot water while the air generated from the heated hot water is discharged to the outside of the tank. The hot water backflow prevention device includes a fixed part fixed to the tank containing the fluid, a support part seated on the upper part of the fixed part, and supported by the support part to lift and lower the fluid while moving up and down by the pressure in the tank, thereby preventing The air of the present invention provides a hot water backflow prevention device including a discharge member for discharging to the outside, and a cap which is detachably coupled to the fixing portion while maintaining a slight distance from the discharge member in the state in which the support portion and the discharge member are accommodated. . The discharge member comprises a support shaft which is fitted to the guide hole formed in the support and is liftable, and is integrated with the support shaft to move up and down by the pressure in the tank while discharging the air in the tank and discharging the fluid contained in the tank. It is characterized by consisting of an opening and closing plate to prevent.
    公开号:KR20030068982A
    申请号:KR1020020008835
    申请日:2002-02-19
    公开日:2003-08-25
    发明作者:윤희종
    申请人:주식회사 위닉스；
    IPC主号:
    专利说明:

    Hot water backflow prevention device {HOT-WATER COUNTERFLOW PREVENTING DEVICE}
    [4] The present invention relates to a hot water backflow prevention device, and more particularly, to a hot water backflow prevention device configured to block the discharge of hot water while discharging the air generated from the heated hot water to the outside of the tank.
    [5] In general, as a method for using a fluid for a necessary purpose, heating or cooling the fluid to a predetermined temperature is widely used, and a representative water purifier is known as a representative example of this.
    [6] This water purifier is usually made to remove heavy metals and other harmful substances contained in tap water by passing raw water such as tap water through a number of filters, and settling, filtration and sterilization. It can be heated or cooled to selectively drink hot or cold water.
    [7] Most water purifiers include a plurality of filters for removing and purifying foreign substances contained in raw water supplied through a water supply pipe inside the main body, a purified water storage tank for storing purified water while sequentially passing through the plurality of filters, and the purified water storage It consists of a hot water tank and a cold water tank receiving the purified water of the tank, respectively.
    [8] The hot water tank is provided with a heating device for heating the purified water stored therein to a predetermined temperature, and a cooling device for cooling the purified water stored in the cold water tank to a predetermined temperature is provided outside the cold water tank.
    [9] In this, the water in the hot water tank is lowered below the predetermined temperature, the heating device is operated. When the water is heated to the predetermined temperature, the heating device is stopped so that the water in the hot water tank can always maintain a constant temperature range.
    [10] And the upper part of the hot water tank is formed with an air discharge pipe is configured to discharge the bubbles generated when the water is heated.
    [11] However, such a conventional air discharge pipe has a problem that not only bubbles but also water heated by convection generated when water is heated are also discharged.
    [12] Therefore, when the heated water is discharged to the outside of the hot water tank, since the water of room temperature is introduced as much as the discharged amount, the heating efficiency is lowered.
    [13] The present invention has been made to solve the conventional problems as described above, the object of the present invention is to allow the discharge of air generated when heating the fluid by the opening and closing member which is elevated according to the pressure and discharge of the heated fluid To provide a hot water backflow prevention device made to prevent.
    [14] In order to realize the object of the present invention as described above, a fixing part fixed to the tank containing the fluid, a support part seated on the upper part of the fixing part, and supported by this support part while moving up and down by the pressure in the tank Hot water including a discharge member for blocking discharge and discharging the air in the tank to the outside, and a cap which is detachably coupled to the fixing part while keeping a slight distance from the discharge member in a state where the support part and the discharge member are accommodated. Provide a backflow prevention device.
    [15] The discharge member comprises a support shaft which is fitted to the guide hole formed in the support and is liftable, and is integrated with the support shaft to move up and down by the pressure in the tank while discharging the air in the tank and discharging the fluid contained in the tank. It is characterized by consisting of an opening and closing plate to prevent.
    [1] 1 is an exploded perspective view of a warm water backflow prevention device according to the present invention.
    [2] 2 is a cross-sectional view of the combination of FIG.
    [3] 3 is a cross-sectional view showing an operating state of the hot water backflow prevention device according to the present invention.
    [16] Hereinafter, with reference to the accompanying drawings, preferred embodiments of the present invention will be described in more detail.
    [17] Figure 1 is an exploded perspective view of the hot water backflow prevention apparatus according to the present invention, Figure 2 is a cross-sectional view of Figure 1, the hot water backflow prevention device according to the present invention, the fixing portion 2 is fixed to the tank containing the fluid, The support part 4 which is seated on the upper part of this fixing part 2, and the discharge part which is supported by this support part 4, and moves up and down by the pressure in a tank, interrupts discharge of a fluid and discharges the air in a tank to the outside. (6) and the cap (8) which is detachably coupled to the fixing part (2) while maintaining a slight distance from the discharge member (6) in the state that accommodates the support (4) and the discharge member (6) Include.
    [18] The fixing part 2 includes a base 10 fixed to the discharge pipe 200 extending from the tank 100 and a connection part 12 extending from the base 10.
    [19] The base 10 has a threaded portion 14 formed on its inner circumferential surface in a state where the center portion is penetrated so that the base 10 can be screwed with the discharge pipe 200, and another threaded portion 16 is formed on the outer circumferential surface of the connecting portion 12. Thus, the cap 8 can be screwed together.
    [20] The support portion 4 is formed of a flange portion 18, the outer periphery is formed of a through-hole portion 20, so that the support portion 4 can be inserted and supported on the upper portion of the fixing portion 2, this space portion 20 The support 22 is formed across.
    [21] In the center portion of the support 22 is formed a guide hole 24 for guiding the lifting movement of the discharge member 6 is configured to allow the discharge member 6 to move up and down along the guide hole 24.
    [22] The discharge member (6) is made of a support shaft (26) fitted into the guide hole (24) formed in the support (22) so as to be elevated, and the support shaft (26) integrally with the pressure in the tank (100) While moving up and down by the air discharged inside the tank 100 and the fluid contained in the tank 100 is composed of an opening and closing plate 28 to prevent the discharge.
    [23] The upper central portion of the opening and closing plate 28 is formed of a dome-shaped protrusion 30, and the protrusion 30 has a hole 32 to allow air to be discharged.
    [24] The hole 32 has a fine size and is formed to have a size such that only the air can be discharged while blocking the discharge of the fluid. In the present embodiment, only one hole 32 may be formed, but one or more holes may be formed.
    [25] The cap 8 has a hole 34 formed in the center thereof, and the air discharged through the hole 32 is discharged to the outside of the hot water backflow prevention device, and the inner diameter of the hole 34 is the opening and closing plate 28. It is formed slightly larger than the projection 30 of.
    [26] When the hot water backflow prevention device as described above does not generate pressure in the tank 100, as shown in FIG. 2, the discharge member 6 is positioned in contact with the support 4 by the load.
    [27] In this state, when the water contained in the tank 100 is heated, the water moves up and down by convection, and bubbles are generated or the air inside the tank 100 expands to increase the pressure in the tank 100.
    [28] Then, the air in the tank 100 flows into the air discharge valve through the discharge pipe 200, and the discharge member 6 rises along the guide hole 24 of the support part 4 by the air pressure. If the pressure of the 100 is further increased, the discharge member 6 rises until it comes in contact with the cap 8 as shown in FIG.
    [29] At this time, the projecting portion 30 of the discharge member 6 is located inside the hole 34 of the cap 8 so that the discharge member 6 is more tightly adhered to the cap (8).
    [30] The opening and closing plate 28 of the discharge member 6 blocks the hole 34 of the cap 8 by the rising of the discharge member 6, in which air in the tank 100 is discharged through the discharge pipe 200. It is discharged to the outside through the hole 34 of the cap 8 through the space portion 20 of the support portion 4 and the hole 32 of the discharge member 6.
    [31] In addition, the fluid inside the tank 100 is not discharged to the outside because the opening and closing plate 28 blocks the hole 34 of the cap 8.
    [32] When the air of the tank 100 is discharged and the internal pressure of the tank 100 is lowered, the discharge member 6 that has been raised descends along the guide groove 24 of the support 4 and returns to its original position.
    [33] As described above, the hot water backflow prevention device according to the present invention blocks the discharge of hot water to the outside while the discharge member moves up and down by the internal pressure of the tank generated while the fluid is heated, thereby preventing the hot water from being discharged to the outside. Is increased.
    权利要求:
    Claims (3)
    [1" claim-type="Currently amended] A fixing part fixed to the tank containing the fluid, a supporting part seated on the upper part of the fixing part, and supported by the supporting part to lift and move by the pressure in the tank to block the discharge of the fluid and discharge the air inside the tank to the outside. Hot water backflow prevention device including a discharge member, and a cap which is detachably coupled to the fixing part while maintaining a slight distance from the discharge member in a state in which the support and the discharge member are accommodated.
    [2" claim-type="Currently amended] The method of claim 1, wherein the discharge member is a support shaft which is fitted to the lifting hole formed in the support and the support shaft is formed integrally with the support shaft while moving up and down by the pressure in the tank to discharge the air in the tank and to the tank The contained fluid is hot water backflow prevention device, characterized in that consisting of the opening and closing plate to prevent discharge.
    [3" claim-type="Currently amended] The hot water backflow prevention device according to claim 1, wherein the discharge member has a dome-shaped protrusion at an upper center portion of the opening and closing plate so as to be tightly attached to the cap.
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    同族专利:
    公开号 | 公开日
    KR100446793B1|2004-09-07|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    法律状态:
    2002-02-19|Application filed by 주식회사 위닉스
    2002-02-19|Priority to KR20020008835A
    2003-08-25|Publication of KR20030068982A
    2004-09-07|Application granted
    2004-09-07|Publication of KR100446793B1
    优先权:
    申请号 | 申请日 | 专利标题
    KR20020008835A|KR100446793B1|2002-02-19|2002-02-19|Hot-water counterflow preventing device|
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