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Water flow antifreeze device and its application

An antifreeze device and water flow technology, which is applied to fluid heaters, lighting and heating equipment, etc., can solve the problems that water heaters and wall-hung boilers cannot achieve antifreeze

Active Publication Date: 2021-05-18
NINGBO FOTILE KITCHEN WARE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Many users will turn off the electricity and gas when they are not at home, resulting in the failure of water heaters and wall-hung boilers to prevent freezing

Method used

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  • Water flow antifreeze device and its application
  • Water flow antifreeze device and its application
  • Water flow antifreeze device and its application

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Embodiment Construction

[0027] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0028] Such as Figure 1 ~ Figure 4 As shown, the water flow antifreeze device in this embodiment includes a housing 1 , an end cover 2 , a guide sleeve 3 , a piston 4 , an elastic return member 7 and a cover plate 6 . The casing 1 is axially hollow to form an inner cavity, one end of the casing 1 forms a water inlet, and the other end forms a water outlet; The water inlet is communicated with and communicated with the water outlet through the water outlet channel 13 .

[0029] The end cover 2 is hermetically arranged on the water outlet end of the casing 1 and has a water outlet interface communicating with the water outlet end; a sealing ring 5 is provided between the end cover 2 and the casing 1 . The guide sleeve 3 is hollow in the axial direction and is arranged in the inner cavity of the casing 1 .

[0030] The piston 4 is sealed in t...

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PUM

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Abstract

A water flow antifreeze device, which is characterized in that it includes a casing, an end cover, a flow guide sleeve, a piston and an elastic reset member, the casing is hollow in the axial direction to form an inner cavity, one end of the casing forms a water inlet, and the other end forms a water outlet ; A pre-freezing cavity is provided on the side wall of the aforementioned shell, and the pre-freezing cavity communicates with the water inlet through the water inlet channel, and communicates with the water outlet end through the water outlet channel; the guide sleeve is axially hollow and is arranged in the inner cavity of the aforementioned shell The piston is sealed in the inner cavity of the housing and can move back and forth. The piston is sleeved on the outer periphery of the flow guide sleeve and the front end covers the flow guide sleeve. The piston is provided with a drainage hole. The invention also discloses the application of the water flow antifreeze device. The overall design is exquisite and easy to install. Because it is a purely mechanical structure, it can also achieve antifreeze in the case of no electricity and gas in the user's home.

Description

technical field [0001] The invention relates to an antifreeze device, which can be applied to water heaters and dual-purpose furnaces. The invention also relates to water heaters and dual-purpose furnaces with antifreeze devices. Background technique [0002] At present, there are many cases of freezing and cracking valve body pipelines in water heaters in the society in winter. At present, electric heating is generally used in the industry, and the temperature controller is used to turn on electric heating at low temperatures to prevent pipelines from freezing and cracking. In the way of electric heating, the water heater must be powered on, which requires wiring layout and increases installation costs. This type of document can refer to the Chinese utility model patent "An Antifreeze Heating Device for Water Heater" with the patent number ZL201620910546.5 (the authorized announcement number is CN205897560U). [0003] In addition, the wall-hung boiler also adopts the circu...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F24H9/16F24H9/20
CPCF24H9/16F24H9/2035
Inventor 卢志龙
Owner NINGBO FOTILE KITCHEN WARE CO LTD