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Sealing structure for air extract opening of vacuum glass

A technology of sealing structure and vacuum glass, which is applied in the field of sealing structure of vacuum glass exhaust port, can solve the problems affecting the overall appearance of vacuum glass, achieve the effect of firm welding seal, reduce damage, and improve the initial vacuum degree

Active Publication Date: 2016-10-12
洛阳兰迪真空玻璃科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

For example, the Chinese patent application with application number 201310134484.4 proposes "vacuum glass sealing structure and its forming method". The technical solution disclosed in this patent has the following defects: 1. The sealing sheet is outside the vacuum glass, and additional protection devices are required to Prevent the sealing sheet from being damaged and cause the vacuum glass to fail; 2. Affect the overall appearance of the vacuum glass

Method used

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  • Sealing structure for air extract opening of vacuum glass
  • Sealing structure for air extract opening of vacuum glass
  • Sealing structure for air extract opening of vacuum glass

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] Such as figure 1 , figure 2 , image 3 In the sealing structure of the suction port of the vacuum glass shown, the upper glass 2 has a suction port 3, the lower glass 1 is sealed with the upper glass 2, and a cavity is formed between the upper glass 2 and the lower glass 1 The interlayer 7 is provided with a metallized layer around the suction port 3 on the inner side of the upper glass 2, an elastic support 5 is arranged in the cavity 7, and a metal sealing piece 4 is arranged on the top of the elastic support 5, and the metal sealing piece 4 The material is copper or copper alloy, and its surface is pre-coated with a certain thickness of tin, tin alloy, indium or indium alloy layer. The metal sealing sheet 4 is tightly attached to the air suction port 3 by the elastic support member 5, and an exhaust groove 41 is arranged on the end face of the metal sealing sheet 4 facing the air suction port 3, and the depth of the exhaust groove 41 is tin, tin alloy 1 / 3 to 1 / 2 ...

Embodiment 2

[0036] Such as figure 1 , Figure 4 The structure shown is basically the same as that of Embodiment 1, the difference is that the exhaust groove 41 is long, and the number of the exhaust groove 41 can be one long groove, or two parallel long grooves as in this embodiment , or more long slots side by side.

[0037] Certainly, the exhaust groove 41 may also be in other shapes such as a "rice" shape (not shown).

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Abstract

The invention discloses a sealing structure for an air extract opening of vacuum glass. The sealing structure comprises metalized layers. The metalized layers are arranged on the inner side surfaces of glass plates and encircle the air extract opening, an elastic support component is arranged between the inner side surfaces of the two glass plates, a metal sealing sheet is arranged on the top of the elastic support component and closely clings onto the air extract opening by the elastic support component, and exhaust grooves are formed in an end surface of the metal sealing sheet and face the air extract opening. The sealing structure has the advantages that the metal sealing sheet can closely cling to the air extract opening by the elastic support component, and accordingly the sealing structure is beneficial to firm welding and sealing; the exhaust grooves are formed in the metal sealing sheet, accordingly, air inside the glass can be assuredly smoothly extracted along the exhaust grooves before the glass is sealed, and the initial vacuum degree of the glass can be upgraded; the inside of the air extract opening at a sealed opening is closed by seal glue after the glass is successfully sealed, accordingly, the sealed opening further can be protected, and the service life of the vacuum glass can be prolonged.

Description

technical field [0001] The invention relates to a sealing structure of a vacuum glass air suction port. Background technique [0002] In the process of making vacuum glass, it is necessary to heat and pump the glass first, and then seal the pumping port to achieve a high degree of vacuum that the vacuum glass can maintain after sealing. The vacuum glass sealing technology in the prior art is to open a small hole on a piece of glass, and the sealing piece is placed outside the glass. When a certain degree of vacuum is drawn, the small hole is sealed with a sealing piece to form a vacuum glass. . For example, the Chinese patent application with application number 201310134484.4 proposes "vacuum glass sealing structure and its forming method". The technical solution disclosed in this patent has the following defects: 1. The sealing sheet is outside the vacuum glass, and additional protection devices are required to Prevent the vacuum glass from being damaged due to damage to ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C03C27/08
CPCC03C27/08
Inventor 李彦兵王章生
Owner 洛阳兰迪真空玻璃科技有限公司
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