CN219385027U

CN219385027U - Vacuum glass with good sealing performance

Info

Publication number: CN219385027U
Application number: CN202320512506.5U
Authority: CN
Inventors: 窦雪; 郑学臻; 窦杰; 薛鹏; 窦帅; 张晓东; 杨国锋
Original assignee: Shandong Blue Glass Technology Co ltd
Current assignee: Shandong Blue Glass Technology Co ltd
Priority date: 2023-03-13
Filing date: 2023-03-13
Publication date: 2023-07-21
Anticipated expiration: 2033-03-13

Abstract

The utility model relates to the field of glass, in particular to vacuum glass with good sealing performance, which comprises two glass sheets, supporting parts, a drying frame and sealing glue, wherein the two glass sheets are oppositely arranged, the supporting parts are arranged between the glass sheets, the drying frame is clamped between the glass sheets, the sealing glue is filled outside the drying frame, the drying frame is arranged in an air pipe area in the sealing glue, and the sealing glue comprises a first sealing glue and a second sealing glue filled in the air pipe area; the vacuum glass further comprises an air pipe arranged in an air pipe area, the air pipe comprises an inner pipe part fixed on the drying frame and an outer pipe part extending into the second sealant, the inner pipe part and the outer pipe part are communicated through the first sealant, at least part of the outer pipe part is provided with a deformable deformation part, the deformation part can deform under a negative pressure state to seal an inner hole of the deformation part, the inner pipe part is connected with the drying frame, leakage of a contact position between the drying frame and the inner pipe part can be prevented, the outer pipe part is sealed through the second sealant, good sealing effect can be guaranteed, and the problems in the prior art are effectively solved.

Description

Vacuum glass with good sealing performance

Technical Field

The utility model relates to the field of glass, in particular to vacuum glass with good sealing performance.

The background technology is as follows:

the vacuum glass is mainly made of two pieces of glass, the two pieces of glass are supported by a supporting block, and the edges of the glass are sealed by a molecular sieve drying frame and glue. For the vacuum glass internal vacuumizing, at present, a mode of inserting a suction pipe for vacuumizing is mostly adopted, as patent 202111199363.9 discloses a hollow glass argon intervention assembly, a device and a method, a rear needling mode is adopted to enable an exhaust pipe to enter the inner side of a sealant, in the vacuum glass processing, needling breaks through a molecular sieve drying frame to cause the breakage of the molecular sieve drying frame at a needling position, the molecular sieve is leaked at the breakage position under the action of vacuumizing negative pressure, and the sealing capability is reduced at the contact position of the exhaust pipe and the sealant due to ageing of the sealant, so that the vacuum degree in the vacuum glass is reduced under the action of internal and external pressure difference.

Disclosure of Invention

The utility model provides vacuum glass with good sealing performance, which adopts the inner pipe part to be connected with the drying frame, can prevent leakage of the contact position between the drying frame and the inner pipe part, and adopts the second sealant to seal the outer pipe part, so that good sealing effect can be ensured, and the problems in the prior art are effectively solved.

The technical scheme adopted by the utility model for solving the technical problems is that the vacuum glass with good sealing performance comprises two glass sheets which are oppositely arranged, a supporting part arranged between the glass sheets, a drying frame clamped between the glass sheets and sealing glue filled outside the drying frame, wherein the drying frame is provided with an air pipe area in the sealing glue, and the sealing glue comprises a first sealing glue and a second sealing glue filled in the air pipe area; the vacuum glass further comprises an air pipe arranged in the air pipe region, the air pipe comprises an inner pipe part fixed to the drying frame and an outer pipe part extending into the second sealant, the inner pipe part is communicated with the outer pipe part through the first sealant, at least part of the outer pipe part is provided with a deformable deformation part, and the deformation part can be deformed under a negative pressure state to seal an inner hole of the deformation part.

Further, a sealing ring is arranged at the inner end of the inner pipe part, and the sealing ring is connected to the inner side of the drying frame.

Further, the sealing ring is adhered to the drying frame.

Further, the outer end of the inner tube portion is provided with a tip, and the outer tube portion and the inner tube portion are of a split structure.

Further, the outer tube portion is bonded to the first sealant.

Further, an aluminum foil layer capable of being pierced by the outer tube part is arranged at the outer end part of the inner tube part.

Further, the deformation portion is provided as a metal hose.

Further, an elastic sealing layer is arranged on the inner surface of the deformation part.

Further, the elastic sealing layer is provided as a rubber layer.

Further, the cross section of the deformation portion is provided in an elliptical shape.

The sealing device has the beneficial effects that the inner pipe part is connected with the drying frame, so that leakage of the contact position between the drying frame and the inner pipe part can be prevented, the outer pipe part is sealed by the second sealant, a good sealing effect can be ensured, and the problems in the prior art are effectively solved.

Drawings

FIG. 1 is a schematic view of a partial structure of an embodiment of the present utility model with one glass sheet and a second sealant removed.

Fig. 2 is a schematic structural view of the present utility model without the second sealant at the tracheal region.

Fig. 3 is a schematic structural diagram of the second sealant shown in fig. 2.

Fig. 4 is a schematic view of a partial enlarged structure at a in fig. 3.

Fig. 5 is a schematic cross-sectional view of the outer view of the embodiment of fig. 1.

In the figure, 1, a glass sheet; 2. a support part; 3. sealing glue; 301. a first sealant; 302. a second sealant; 4. a drying frame; 5. a tracheal region; 6. an air pipe; 601. an inner tube portion; 602. an outer tube portion; 7. a seal ring; 8. an aluminum foil layer; 9. an elastic sealing layer; 10. and (5) an exhaust pipe.

Detailed Description

In order to clearly illustrate the technical features of the present solution, the present utility model will be described in detail below with reference to the following detailed description and the accompanying drawings.

The embodiment of the utility model is shown in figures 1-5, and the vacuum glass with good sealing performance comprises two glass sheets 1 which are oppositely arranged, a supporting part 2 which is arranged between the glass sheets 1, a drying frame 4 which is clamped between the glass sheets 1, and a sealant 3 which is filled outside the drying frame 4; the drying frame 4 is provided with an air pipe area 5 in the sealant 3, and the sealant 3 comprises a first sealant 301 and a second sealant 302 filled in the air pipe area 5; the vacuum glass further comprises an air pipe 6 arranged in the air pipe area 5, the air pipe 6 comprises an inner pipe 601 for fixing the drying frame 4 and an outer pipe 602 extending into the second sealant 302, the inner pipe 601 and the outer pipe 602 are communicated with each other through the first sealant 301, at least part of the outer pipe 602 is provided with a deformable portion, and the deformable portion can be deformed under a negative pressure state to seal an inner hole of the deformable portion.

In the vacuum glass of the utility model, before the inner pipe 601 is installed on the supporting frame, the damage possibly occurring at the connection position between the inner pipe 601 and the drying frame 4 can be optimally sealed before the supporting frame is installed between the two glass sheets 1, so as to prevent damage leakage at the connection position between the inner pipe 601 and the supporting frame. In addition, during glue spraying, the outer side of the drying frame 4 is sprayed with glue for sealing, the first sealant 301 is sprayed on the air pipe area 5 to perform secondary sealing on the space between the two glass sheets 1, the outer pipe 602 and the inner pipe 601 are communicated with each other in the first sealant 301, as shown in fig. 2, the rigid air extraction pipe 10 is inserted into the second pipe to perform vacuumizing, when the vacuumizing between the two glass sheets 1 reaches a set condition, as shown in fig. 3, the air extraction pipe 10 is gradually pulled out, under the negative pressure, the deformation part contracts and deforms to seal the inner hole, so as to achieve primary sealing, then the glue spraying is performed to form the second sealant 302, the outer pipe 602 is integrally sealed in the second sealant 302, the second sealant 302 can ensure that the outer pipe 602 has a good sealing effect, and the positions of the outer pipe 602 and the first sealant 301 can be sealed, so that the contact positions of the outer pipe 602 and the first sealant 301 are prevented from being sealed and aged.

Therefore, the inner pipe portion 601 is connected with the drying frame 4, leakage of the contact position between the drying frame 4 and the inner pipe portion 601 can be prevented, the outer pipe portion 602 is sealed by the second sealant 302, and good sealing effect can be guaranteed.

For the installation of the inner tube 601, in a preferred embodiment, more specifically, the inner end of the inner tube 601 is provided with a sealing ring 7, and the sealing ring 7 is connected to the inner side of the drying frame 4. As shown in fig. 4, by providing the seal ring 7, the passing position of the inner tube portion 601 inside the drying hole can be closed by the seal ring 7, and leakage of the drying frame 4 can be further prevented.

For the arrangement of the sealing ring 7, it is further optimized that the sealing ring 7 is glued to the drying frame 4.

For the installation of the inner tube 601, it is further optimized that the outer end of the inner tube 601 is provided with a tip, and the outer tube 602 and the inner tube 601 are of a split structure. By arranging the outer end of the outer tube 602 to be a tip, the outer tube 602 can be directly inserted through the supporting frame, and the outer tube 602 can be inserted into the first sealing glue 301 to be communicated with the inner tube 601 after the first sealing glue 301 seals the outer side of the drying frame 4 in a mode that the outer tube 602 and the inner tube 601 are in a split structure.

For an alternative embodiment, the outer end of the inner tube 601 may also be provided as a flat head, and the inner tube 601 may be inserted through the drying frame 4 after the drying frame 4 is drilled in advance.

It is further optimized for the present utility model that the outer tube portion 602 is bonded to the first sealant 301. By bonding the outer tube portion 602 to the first sealing compound 301, the sealability of the outer tube portion 602 to the first sealing compound 301 can be increased to prevent leakage between the first sealing compound 301 and the inner tube portion 601 during the evacuation process.

A further optimization of the utility model is that the outer end of the inner tube part 601 is provided with an aluminium foil layer 8 which can be pierced by the outer tube part 602. Thus, when the first sealing glue 3 is applied, the aluminum foil layer 8 prevents the first sealing glue 301 from entering the inner tube 601, and when the outer tube 602 is inserted into the first sealing glue 301, the aluminum foil layer 8 is broken to communicate with the inner tube 601.

In a preferred embodiment, the deformation is further specifically provided as a metal hose. As shown in fig. 2 and 4, the outer tube portion is integrally provided as a metal hose. In an alternative embodiment, a metal hose may also be provided in only a section of the outer tube portion.

In a preferred embodiment, further specifically, the inner surface of the deformation is provided with an elastic sealing layer 9. By providing the elastic sealing layer 9, the sealing ability of the inner hole of the deformed portion can be improved when the deformed portion is deformed, and the reduction of the degree of vacuum between the glass sheets 1 can be reduced.

In a preferred embodiment, further specifically, the elastic sealing layer 9 is provided as a rubber layer.

In a preferred embodiment, it is further optimized that the cross section of the deformation is provided as an ellipse. Thereby making the deformation more easily crushable by a vacuum pressure differential to maintain tightness at the outer tube 602.

The above embodiments are not to be taken as limiting the scope of the utility model, and any alternatives or modifications to the embodiments of the utility model will be apparent to those skilled in the art and fall within the scope of the utility model.

The present utility model is not described in detail in the present application, and is well known to those skilled in the art.

Claims

1. The vacuum glass with good sealing performance comprises two oppositely arranged glass sheets, a supporting part arranged between the glass sheets, a drying frame clamped between the glass sheets, and sealant filled outside the drying frame, and is characterized in that,

the drying frame is provided with an air pipe area in the sealant, and the sealant comprises a first sealant and a second sealant filled in the air pipe area;

the vacuum glass further comprises an air pipe arranged in the air pipe region, the air pipe comprises an inner pipe part fixed to the drying frame and an outer pipe part extending into the second sealant, the inner pipe part is communicated with the outer pipe part through the first sealant, at least part of the outer pipe part is provided with a deformable deformation part, and the deformation part can be deformed under a negative pressure state to seal an inner hole of the deformation part.

2. The vacuum glass with good sealing performance according to claim 1, wherein: the inner end of the inner pipe part is provided with a sealing ring, and the sealing ring is connected to the inner side of the drying frame.

3. The vacuum glass with good sealing performance according to claim 2, wherein: the sealing ring is adhered to the drying frame.

4. The vacuum glass with good sealing performance according to claim 2, wherein: the outer end of the inner pipe part is provided with a tip, and the outer pipe part and the inner pipe part are of a split structure.

5. The vacuum glass with good sealing performance according to claim 4, wherein: the outer tube portion is bonded to the first sealant.

6. The vacuum glass with good sealing performance according to claim 4, wherein: the outer end of the inner tube part is provided with an aluminum foil layer which can be pierced by the outer tube part.

7. The vacuum glass with good sealing performance according to claim 1, wherein: the deformation is provided as a metal hose.

8. The vacuum glass with good sealing performance according to claim 1, wherein: the inner surface of the deformation part is provided with an elastic sealing layer.

9. The vacuum glass with good sealing performance according to claim 8, wherein: the elastic sealing layer is provided as a rubber layer.

10. The vacuum glass with good sealing performance according to claim 1, wherein: the cross section of the deformation part is provided with an ellipse shape.