Hollow glass air pressure regulating valve, hollow glass and shutter

Abstract

The utility model discloses a hollow glass air pressure regulating valve, hollow glass and louver, the hollow glass air pressure regulating valve comprises a valve body, a valve core, a filter disc and an inserting cover, a first mounting hole is arranged in the louver, the valve body is arranged in the first mounting hole, the valve core is arranged in the valve body, the filter disc is arranged in the valve core, and the inserting cover is arranged in the valve body. A hollow cavity is formed in the valve body, the valve element is arranged in the hollow cavity, the filter disc is arranged between the valve body and the valve element, a plurality of filter holes are formed in the filter disc and used for preventing wet air from entering the hollow cavity, the inserting cover comprises an inserting part, an inserting cavity is formed in the valve body, the inserting part is inserted into the inserting cavity, and a first ventilation gap is formed between the inserting part and the inner wall of the inserting cavity. The hollow glass and the shutter comprise the hollow glass air pressure regulating valve. According to the utility model, the internal air pressure and the external air pressure of the shutter can be balanced, the deformation of the glass plate is avoided, and the normal use of the shutter is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of blinds, in particular to a pneumatic pressure regulating valve for insulating glass, insulating glass and blinds. Background Art

[0002] In modern architectural design, insulating glass is increasingly widely used due to its excellent energy-saving, heat-insulating and aesthetic properties. Such insulating glass usually includes two or more glass plates, and an inert gas is filled between the glass plates. However, in actual use, there is a difficult problem in the air pressure management of the gas in the cavity between the glass plates. Specifically, due to the sealing of the cavity, the cavity cannot directly exchange gas with the external environment. Therefore, during the transportation or use of the insulating glass, if there are environmental changes such as altitude changes or external temperature changes, the pressure in the cavity will be different from the external air pressure. This difference is likely to cause deformation of the glass plates. When the external air pressure is greater than the pressure in the cavity, the glass plates will be concave deformed. After the glass plates are concave deformed, the distance between the glass plates is reduced. In the blinds with blinds inside, when the blinds need to be lifted or flipped, the edges of the blinds are likely to touch the surface of the deformed glass plates, thus hindering the movement or flipping of the blinds and affecting the use of the blinds. After repeated deformation, the glass plates may also crack. In addition, repeated deformation is likely to damage the edge sealing structure of the glass plates. After the sealing structure is damaged, humid air is likely to enter the cavity, resulting in internal condensation. The water droplets on the surface of the glass plates will stick to the edges of the blinds, and the surface tension of the water droplets will hinder the flipping or lifting of the blinds, affecting the use of the blinds. Summary of the Utility Model

[0003] The technical problem to be solved by the utility model is to provide a pneumatic pressure regulating valve for insulating glass, which can automatically balance the internal air pressure and the external air pressure of the insulating glass and avoid deformation of the glass plates.

[0004] To solve the above technical problem, the utility model provides a pneumatic pressure regulating valve for insulating glass, which is used to be installed on the insulating glass and includes a valve body. One end of the valve body is communicated with the cavity, and the other end of the valve body is communicated with the external air.

[0005] As an improvement of the above solution, the pneumatic pressure regulating valve for insulating glass further includes a valve core, which is arranged in the valve body and is communicated between the valve body and the external air.

[0006] As an improvement of the above solution, the pneumatic pressure regulating valve for insulating glass further includes a filter plate, which is arranged between the valve body and the valve core.

[0007] As an improvement to the above solution, a plurality of filter holes are provided in the filter to block the entry of moist air into the hollow cavity.

[0008] As an improvement to the above solution, a plurality of receiving grooves are provided on the outer wall of the valve body, and the plurality of receiving grooves surround the outer wall of the valve body.

[0009] As an improvement to the above solution, a first communication cavity and a connection cavity that communicate with each other are provided in the valve body. The first communication cavity communicates with the hollow cavity. The connection cavity is provided between the first communication cavity and the insertion cavity. Threads that mesh with each other are provided on the inner wall of the connection cavity and the outer wall of the valve core, and the valve core is screwed into the connection cavity.

[0010] As an improvement to the above solution, a second communication cavity is provided in the valve core. The second communication cavity communicates with the first communication cavity. The filter is provided between the first communication cavity and the second communication cavity.

[0011] As an improvement to the above solution, the first communication cavity includes a first air cavity. The first air cavity is provided inside the connection part between the valve body and the hollow cavity. The first air cavity communicates between the hollow cavity and the second communication cavity.

[0012] As an improvement to the above solution, the second communication cavity includes a second air cavity. The second air cavity communicates between the first air cavity and the connection groove.

[0013] As an improvement to the above solution, a crimping table is provided at one end of the valve core away from the connection groove. An abutting table is provided at the connection part between the connection cavity and the first communication cavity. After the valve core is inserted into the connection cavity, the crimping table can abut against one side of the filter, and the abutting table can abut against the other side of the filter.

[0014] As an improvement to the above solution, the insulating glass air pressure regulating valve further includes an insertion cover. The insertion cover includes an insertion part. An insertion cavity is provided in the valve body. The insertion part is inserted into the insertion cavity. A first air permeable gap is provided between the insertion part and the inner wall of the insertion cavity. The first air permeable gap can communicate with the external air. The valve core is provided between the first communication cavity and the insertion part.

[0015] As an improvement to the above solution, a connection groove that communicates with the second communication cavity is further provided in the valve core. The insertion cover further includes a blocking part. The blocking part can be inserted into the connection groove. A second air permeable gap is formed between the blocking part and the inner wall of the connection groove. The second air permeable gap can communicate with the first air permeable gap.

[0016] As an improvement of the above solution, the plug cover further includes a limiting portion, which is arranged on the side of the plugging portion and protrudes radially towards the blocking portion. The limiting portion can abut against the end face of the valve body on the side away from the hollow cavity. A third air-permeable gap is formed between the limiting portion and the end face of the valve body. The first air-permeable gap communicates with the third air-permeable gap, and the third air-permeable gap communicates with the external air.

[0017] As an improvement of the above solution, the insulating glass air pressure regulating valve further includes a sealing ring. A sealing groove is arranged on the side of the valve body close to the hollow cavity, and the sealing groove surrounds the blocking portion. The sealing ring is arranged between the sealing groove and the insulating glass.

[0018] As an improvement of the above solution, the plug cover further includes a handle portion, which is arranged on the side of the limiting portion away from the plugging portion. The handle portion and the limiting portion are connected by a reduced-diameter portion, and the diameter of the reduced-diameter portion gradually decreases from the handle portion towards the limiting portion.

[0019] The present utility model also provides an insulating glass, which includes a first glass, a second glass, a packaging structure, and the insulating glass air pressure regulating valve as described above. A hollow cavity is formed between the first glass, the second glass, and the packaging structure.

[0020] The insulating glass air pressure regulating valve is installed on the packaging structure and communicates with the hollow cavity to regulate the air pressure inside the insulating glass.

[0021] As an improvement of the above solution, a first installation hole is provided in the insulating glass. The valve body of the insulating glass air pressure regulating valve is installed in the first installation hole. The valve body further includes a connecting portion, which penetrates into the hollow cavity. Threads are provided on the outer wall of the connecting portion, and the connecting portion is screwed into the first installation hole.

[0022] As an improvement of the above solution, the packaging structure includes a sealant layer. A second installation hole is formed between the sealant layer and the valve body. A plurality of receiving grooves are provided on the outer wall of the valve body, and the plurality of receiving grooves surround the outer wall of the valve body. A receiving hole is formed between the receiving groove and the inner wall of the second installation hole.

[0023] The present utility model also provides a shutter, which includes a first glass, a second glass, a shutter mechanism, a packaging structure, and the insulating glass air pressure regulating valve as described above. A hollow cavity is formed between the first glass, the second glass, and the packaging structure, and the shutter mechanism is arranged in the hollow cavity.

[0024] Implementing the present utility model has the following beneficial effects:

[0025] The pneumatic pressure regulating valve for insulating glass of the present utility model is provided with a valve body, wherein the valve body is installed in the first mounting hole of the insulating glass. The glass plates in the insulating glass enclose a hollow cavity, and the second mounting hole communicates with the hollow cavity. The valve body can communicate with the hollow cavity. When encountering environmental changes or temperature changes, if the pressure in the hollow cavity is greater than the external air pressure, some of the gas in the hollow cavity can be exhausted through the valve body, thereby releasing the pressure. In this way, the glass plates will not expand and deform, nor will there be abnormal noises, and at the same time, the failure of the sealing structure is avoided; if the pressure in the hollow cavity is less than the external air pressure, the external air automatically enters the hollow cavity through the valve body, thereby maintaining the relative balance of the internal and external pressures of the hollow cavity. In this way, the glass plates will not concave and deform, nor will there be abnormal noises, and in the louver insulating glass, it will not affect the lifting and flipping of the louvers, ensuring stable sealing and normal use of the louvers. Therefore, the present utility model can balance the internal air pressure and the external air pressure of the insulating glass and avoid the deformation of the glass plates. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 is a schematic diagram of a partial split structure of the insulating glass of the present utility model;

[0027] Figure 2 is a schematic diagram of a split structure of the pneumatic pressure regulating valve for insulating glass of the present utility model;

[0028] Figure 3 is a schematic diagram of a split cross-sectional structure of the pneumatic pressure regulating valve for insulating glass of the present utility model;

[0029] Figure 4 is a schematic diagram of a partial cross-sectional structure of the pneumatic pressure regulating valve for insulating glass of the present utility model;

[0030] Figure 5 is a schematic diagram of a cross-sectional structure of the pneumatic pressure regulating valve for insulating glass of the present utility model and the insulating glass;

[0031] Figure 6 is a schematic diagram of a partial structure split of the louver of the present utility model. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0032] To make the objectives, technical solutions, and advantages of the present utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings. It is hereby declared that the orientation terms such as up, down, left, right, front, back, inside, and outside that appear or will appear in the text of the present utility model are only based on the accompanying drawings of the present utility model, and they are not specific limitations on the present utility model.

[0033] See Figure 1 and Figure 2, an embodiment of the present utility model discloses a pneumatic pressure regulating valve for insulating glass, which is installed in the insulating glass 6 and includes a valve body 1. A first mounting hole 641 is provided in the insulating glass 6, and the valve body 1 is installed in the first mounting hole 641.

[0034] See Figure 1 and Figure 5 , the insulating glass 6 includes glass plates, and adjacent glass plates 62 enclose a hollow cavity 61. An inert gas is filled in the hollow cavity 61 to achieve a noise reduction effect, and the valve body 1 is communicated with the hollow cavity 61 through the first mounting hole 641. During use, under the influence of factors such as the environment and temperature, the gas pressure in the hollow cavity 61 and the external gas pressure will become unbalanced. For example, when the insulating glass 6 is transported to a high altitude area or the external temperature decreases, the external air pressure will drop, and the air pressure in the hollow cavity 61 is greater than the external environmental air pressure. If this is not handled, under the action of the pressure difference, the glass plate 62 is prone to expand outward and deform, the sealing structure of the glass plate 62 will become loose, and at the same time, the glass plate 62 will generate abnormal noises. In this case, the valve body 1 is communicated with the outside, and part of the gas in the hollow cavity 61 is discharged through the valve body 1, and finally pressure balance is achieved. In this way, the glass plate 62 will not expand and deform, nor will there be abnormal noises, and at the same time, the failure of the sealing structure is avoided; when in a low-latitude area or the external temperature rises, the external air pressure will rise, and the pressure in the hollow cavity 61 is less than the external air pressure. If this is not handled, the glass plate 62 will generate concave deformation. In this case, the sealing structure of the glass plate 62 will become loose, the glass plate 62 will generate abnormal noises, and at the same time, the distance between the glass plates 62 will shrink. In the insulating glass, the edges of the blinds between the glass plates 62 are prone to contact the surface of the glass plate 62, and the surface of the glass plate 62 will hinder the lifting or flipping of the blinds. In this case, under the action of the pressure difference and the communication effect of the valve body 1, external air can actively enter the interior of the hollow cavity 61, and finally pressure balance is achieved. In this way, the glass plate 62 will not generate concave deformation, will not generate abnormal noises, and will not affect the lifting and flipping of the blinds. The pneumatic pressure regulating valve for insulating glass can be used for exhaust and active inflation, and has the effect of active "breathing".

[0035] The beneficial effects of the embodiment of the present utility model are as follows:

[0036] In the embodiment of the utility model, the pneumatic pressure regulating valve for insulating glass is provided with a valve body 1, wherein the valve body 1 is installed in the first installation hole 641 of the insulating glass 6. The glass plates 62 in the insulating glass 6 enclose an insulating cavity 61, and the first installation hole 641 is communicated with the insulating cavity 61. The valve body 1 can be communicated with the insulating cavity 61. When encountering environmental changes or temperature changes, if the pressure in the insulating cavity 61 is greater than the external air pressure, part of the gas in the insulating cavity 61 can be actively exhausted through the valve body 1, so as to release the pressure. If the pressure in the insulating cavity 61 is less than the external air pressure, external air can actively enter the insulating cavity 61 through the valve body 1, so as to maintain the relative balance of the internal and external pressures of the insulating cavity 61, avoid deformation and abnormal noise of the glass plate 62, and ensure stable sealing and normal use of the louver.

[0037] See Figure 2 and Figure 3 The pneumatic pressure regulating valve for insulating glass further includes a valve core 3. The valve core 3 is arranged in the valve body 1, the valve core 3 is movably connected with the valve body 1, and the valve core 3 is communicated with the valve body 1. Gas can be filled or discharged through the valve body 1 and the valve core 3.

[0038] Furthermore, in order to prevent humid air from entering the insulating cavity 61 and causing the glass plate 62 to be affected with damp and condense, the pneumatic pressure regulating valve for insulating glass further includes a filter plate 4. The filter plate 4 is arranged between the valve body 1 and the valve core 3, and the filter plate 4 is used for blocking wet air molecules. A plurality of filter holes are provided in the filter plate 4, and the aperture of the filter holes is less than 28 nm. The size of wet air molecules is usually greater than 28 nm. By setting the aperture of the filter holes to be less than 28 nm, wet air molecules can be effectively blocked. In this way, when inflating or exhausting, wet air will not enter the insulating cavity 61, and the dryness in the insulating cavity 61 can be maintained.

[0039] See Figure 4 A first communication cavity 11 and a connection cavity 12 which are communicated with each other are arranged in the valve body 1. The first communication cavity 11 is communicated with the insulating cavity 61. The valve core 3 is arranged in the connection cavity 12 and is screwed with the connection cavity 12. The connection cavity 12 is communicated with the first communication cavity 11. In this way, the gas filled or discharged will pass through the valve core 3 in the connection cavity 12. Threads which are meshed with each other are arranged on the inner wall of the connection cavity 12 and the outer wall of the valve core 3. The valve core 3 is screwed in the connection cavity 12 to realize the fixation of the valve core 3.

[0040] The outer wall of the valve body 1 is provided with a plurality of receiving grooves 16. The plurality of receiving grooves 16 surround the outer wall of the valve body 1. The plurality of receiving grooves 16 can form a continuous spiral shape or can be distributed in a dispersed annular shape. A plurality of receiving holes are formed between the connection between the receiving grooves 16 and the insulating glass. The plurality of receiving holes can accommodate more glue. If external gas wants to enter the hollow cavity 61 through the gap between the valve body 1 and the sealant layer 63, it needs to pass through layers of receiving grooves 16, which is quite difficult. Therefore, the receiving grooves 16 can enhance the seal between the valve body 1 and the sealant layer 63 in a multi-groove structure, avoiding gas exchange through the gap between the valve body 1 and the sealant layer 63, and further preventing water vapor from entering the hollow cavity 61.

[0041] Meanwhile, the uneven threads on the inner wall of the connection cavity 12 and the outer wall of the valve core 3 also constitute the seal between the valve core 3 and the valve body 1, improving the sealing performance and preventing gas from overflowing or entering from the outside of the valve core 3.

[0042] In the embodiment of the present utility model, the filter element 4 is arranged between the first communication cavity 11 and the second communication cavity 31, so as to filter the gas in the direction of air flow entering or discharging to exclude humid air.

[0043] Further, referring to Figure 3 , one end of the valve core 3 far from the connection groove 32 is provided with a crimping table 33, and the connection between the connection cavity 12 and the first communication cavity 11 is provided with an abutting table 13. After the valve core 3 is inserted into the connection cavity 12, the crimping table 33 can abut against one side of the filter element 4, and the abutting table 13 can abut against the other side of the filter element 4. During installation, the filter element 4 can be fixed to the crimping table 33 or the abutting table 13 by using adhesive, and the valve core 3 can abut and fix the filter element 4, thereby preventing the air flow from impacting the filter element 4 during exhaust or inflation. At the same time, after the valve core 3 is tightened, the distance between the abutting table 13 and the crimping table 33 can be minimized as much as possible, reducing the water vapor entering or remaining in the valve body, greatly reducing the probability of water vapor entering the hollow cavity 61, and reducing the filtering load of the filter element 4.

[0044] Referring to Figure 3 , the valve body 1 further includes a connecting portion 14. The connecting portion 14 protrudes away from the side where the connection cavity 12 is located and penetrates into the hollow cavity 61. The outer wall of the connecting portion 14 is provided with threads. The insulating glass 6 is provided with a first mounting hole 641. The connecting portion 14 is screwed into the first mounting hole 641 to fix the valve body 1. In actual installation, a tool can be used to fix the valve body 1 in the first mounting hole 641.

[0045] Specifically, refer to Figure 4 , in the valve body 1, the first communication cavity 11 includes a first air cavity 111. The first air cavity 111 is disposed inside the connecting portion between the valve body 1 and the hollow cavity 61. The first air cavity 111 communicates between the hollow cavity 61 and the second communication cavity 31. During inflation, gas passes through the second communication cavity 31, enters the first air cavity 111, and then enters the hollow cavity 61. The reverse occurs during exhaust. Refer to Figure 6 , in the embodiment of the valve body 1, the aperture of the first air cavity 111 is constant. In other embodiments, the aperture of the first air cavity 111 can be changed as needed.

[0046] In addition, refer to Figure 4 , in an embodiment of the valve core 3, the second communication cavity 31 includes a second air cavity 311. The second air cavity 311 communicates between the first air cavity 111 and the connecting groove 32. During air replenishment, gas enters the connecting groove 32 and then enters the first air cavity 111 through the second air cavity 311.

[0047] Refer to Figure 2 and Figure 4 , in order to achieve good sealing and prevent gas leakage at the installation location of the insulating glass pressure regulating valve, the insulating glass pressure regulating valve further includes a sealing ring 5. A sealing groove 15 is provided on one side of the valve body 1 close to the hollow cavity 61. The sealing groove 15 surrounds the plugging portion 21. The sealing ring 5 is disposed between the sealing groove 15 and the insulating glass. During installation, the sealing ring 5 can prevent gas leakage from the gap between the first installation hole 641 and the valve body 1.

[0048] Refer to Figure 2 and Figure 3, after installing the valve body 1, it is necessary to seal the valve body 1 and the glass plate 62 of the insulating glass 6 to prevent a large amount of inert gas in the insulating cavity 61 from overflowing and to block water vapor. Since the through-hole diameters inside the valve body 1 and the valve core 3 are small, glue is likely to penetrate into the valve body 1 and the valve core 3 during glue sealing, thereby blocking the valve body 1 and the valve core 3 and rendering the entire insulating glass pressure regulating valve ineffective. To prevent the valve body 1 and the valve core 3 from being blocked, the insulating glass pressure regulating valve further includes an insertion cover 2. The insertion cover 2 includes an insertion portion 24. An insertion cavity 17 is provided in the valve body 1. Before glue sealing, the insertion portion 24 is inserted into the insertion cavity 17, which can prevent glue from entering the valve body 1 and form a blocking effect on the glue. However, at the same time, a first air-permeable gap 25 is provided between the insertion portion 24 and the inner wall of the insertion cavity 17. The first air-permeable gap 25 can communicate with external air. The valve core 3 is disposed between the first communication cavity 11 and the insertion portion 24. The size of the first air-permeable gap 25 is small, usually the mating gap automatically generated when the inner wall of the insertion cavity 17 and the insertion portion 24 are mated. This mating gap can satisfy the intercommunication between the valve body 1, the valve core 3 and external air, enabling external air to enter the insulating cavity 61 through the first air-permeable gap 25, through the valve core 3 and the valve body 1, and also enabling the inert gas in the insulating cavity 61 to be discharged through the valve core 3 and the valve body 1. Therefore, the insertion cover 2 can prevent glue from blocking the valve body 1 and the valve core 3 during the production process, and at the same time can utilize the first air-permeable gap 25 to connect the first communication cavity 11 with external air.

[0049] Further, a second communication cavity 31 and a connection groove 32 that communicate with each other are provided in the valve core 3. The second communication cavity 31 communicates with the first communication cavity 11. The gas filled or discharged will pass through the second communication cavity 31. The insertion cover 2 includes a blocking portion 21. The blocking portion 21 is located at the end of the insertion portion 24. The blocking portion 21 can be inserted into the connection groove 32 to prevent glue from penetrating into the second communication cavity 31 and form a blocking effect on the glue. At the same time, a second air-permeable gap 26 is formed between the blocking portion 21 and the inner wall of the connection groove 32. The size of the second air-permeable gap 26 is small, usually the mating gap automatically generated when the inner wall of the connection groove 32 and the blocking portion 21 are mated. The second air-permeable gap 26 can communicate with the first air-permeable gap 25, and the first air-permeable gap 25 can communicate with external air. Therefore, the second air-permeable gap 26 can satisfy the intercommunication between the valve body 1, the valve core 3 and external air.

[0050] See Figure 3 and Figure 4, for the convenience of use and positioning, the plug cover 2 further includes a limiting portion 23. The limiting portion 23 is provided on the side of the plugging portion 24 and protrudes radially towards the plugging portion 21. The limiting portion 23 can abut against the end face of the valve body 1 on the side far from the hollow cavity 61. The limiting portion 23 can further prevent glue from entering the valve body 1, and a third air-permeable gap 27 is formed between the limiting portion 23 and the end face of the valve body 1. The size of the third air-permeable gap 27 is small, usually the fitting gap automatically generated when the end face of the valve body 1 and the limiting portion 23 are fitted. The first air-permeable gap 25 is communicated with the third air-permeable gap 27, and the third air-permeable gap 27 is communicated with the external air. The first air-permeable gap 25, the second air-permeable gap 26 and the third air-permeable gap 27 together constitute an intercommunication gap between the valve body 1 and the external air, which can promote the intercommunication between the first communication cavity 11 and the second communication cavity 31 and the external air while preventing glue from plugging the valve body 1 and the valve core 3.

[0051] The plug cover 2 further includes a handle portion 22. The handle portion 22 is provided on the side of the limiting portion 23 far from the plugging portion 24. The handle portion 22 and the limiting portion 23 are connected by a reduced-diameter portion 28. The diameter of the reduced-diameter portion 28 gradually decreases from the handle portion 22 towards the limiting portion 23. During installation, the handle portion 22 can drive the valve core 3 to rotate so that the valve core 3 can be screwed into the connection cavity 12. The diameter of the reduced-diameter portion 28 gradually decreases from the handle portion 22 towards the limiting portion 23, which can facilitate the self-breaking of the handle portion 22. After the valve core 3 is screwed tightly into the connection cavity 12, applying a greater force can cause the reduced-diameter portion 28 to disconnect from the plugging portion 24, so that the handle portion 22 and the reduced-diameter portion 28 are separated, avoiding the protruding handle portion 22 and the reduced-diameter portion 28 from affecting the installation of the insulating glass 6.

[0052] See Figure 5, in order to seal the edge of the glass plate 62, the insulating glass pressure regulating valve further includes a sealant layer 63. After installing the insulating glass pressure regulating valve, the edge of the glass plate 62 needs to be sealed with sealant, and finally the sealant layer 63 is formed. A second installation hole 631 is formed between the sealant layer 63 and the valve body 1. A plurality of receiving grooves 16 are formed between the outer wall of the valve body 1 and the inner wall of the second installation hole 631, and the plurality of receiving grooves 16 surround the outer wall of the valve body 1. The receiving groove 16 can be annular or spiral. The receiving groove 16 can hold more glue. If external gas wants to enter the hollow cavity 61 through the gap between the valve body 1 and the sealant layer 63, it needs to pass through layers of receiving grooves 16, which is difficult. Therefore, the receiving groove 16 can enhance the seal between the valve body 1 and the sealant layer 63 with a multi-groove structure, prevent gas from exchanging through the gap between the valve body 1 and the sealant layer 63, and prevent water vapor from entering the hollow cavity 61.

[0053] See Figure 1 and Figure 5 , an embodiment of the present invention also discloses an insulating glass 6, which includes a first glass 621, a second glass 622, a packaging structure 64, and the insulating glass pressure regulating valve as described above. A hollow cavity 61 is formed between the first glass 621, the second glass 622, and the packaging structure 64. The insulating glass pressure regulating valve is installed on the packaging structure 64 and communicates with the hollow cavity 61 to regulate the air pressure inside the insulating glass. When the air pressure in the hollow cavity 61 is greater than the external air pressure, since the first communication cavity 11 communicates with the outside through the valve core 3, part of the gas in the hollow cavity 61 is discharged through the first communication cavity 11, and finally pressure balance is achieved. In this way, the glass plate 62 will not expand and deform, nor will there be abnormal noise, and at the same time, the failure of the sealing structure is avoided; when the air pressure in the hollow cavity 61 is less than the external air pressure, under the communication effect of the first communication cavity 11 and the pressure difference, external air will actively enter the hollow cavity 61 until the pressure in the hollow cavity 61 rises and approaches the external air pressure, and finally pressure balance is achieved. In this way, the glass plate 62 will not concave and deform, nor will there be abnormal noise.

[0054] A first mounting hole 641 is provided in the insulating glass 6, and the valve body 1 of the insulating glass air pressure regulating valve is installed in the first mounting hole 641. The valve body 1 further includes a connecting portion 14. The connecting portion 14 penetrates into the hollow cavity 61. The outer wall of the connecting portion 14 is provided with threads, and the connecting portion 14 is screwed into the first mounting hole 641. The encapsulation structure 64 further includes a sealant layer 63. A second mounting hole 631 is formed between the sealant layer 63 and the valve body 1. A plurality of receiving grooves 16 are provided on the outer wall of the valve body 1. The plurality of receiving grooves 16 surround the outer wall of the valve body 1. A receiving hole is formed between the inner wall of the receiving groove 16 and the second mounting hole 631. The plurality of receiving holes can hold more glue. If external gas wants to enter the hollow cavity 61 through the gap between the valve body 1 and the sealant layer 63, it needs to pass through the receiving grooves 16 layer by layer, which is difficult. Therefore, the receiving grooves 16 can enhance the seal between the valve body 1 and the sealant layer 63 in a multi-groove structure, prevent gas from exchanging through the gap between the valve body 1 and the sealant layer 63, and further prevent water vapor from entering the hollow cavity 61.

[0055] See Figure 2 and Figure 5, an embodiment of the present invention also discloses a louver 7, which includes the above-mentioned hollow glass air pressure regulating valve, and further includes a glass plate 62 (a first glass 621 and a second glass 622), a louver mechanism 65, and a packaging structure 63. The packaging structure 63, the first glass 621, and the second glass 622 enclose the hollow cavity 61. The hollow cavity 61 is filled with an inert gas for noise isolation. And a molecular sieve is provided in the packaging structure 63 for drying the hollow cavity 61 to prevent the occurrence of condensation and dripping in the hollow cavity 61. A first mounting hole 641 is provided on one side of the hollow cavity 61, and the connecting portion 14 is screwed into the first mounting hole 641. The first mounting hole 641 is located in the upper middle part of the louver 7. In this way, during gas exchange, since the density of the inert gas is greater than the density of air and water vapor, even if a little water vapor enters the hollow cavity 61, the water vapor can only stay in the upper middle part of the louver 7 and will not cause condensation in the lower middle part of the louver 7. The sealant layer 63 is provided outside the spacer bar and between the edges of the adjacent glass plates 62. A second mounting hole 631 is formed between the sealant layer 63 and the valve body 1, and the valve body 1 is provided in the second mounting hole 631. When the louver 7 is transported, it may pass through high-altitude or low-altitude areas, or may experience environmental changes of high temperature or low temperature during use. In this case, a difference will be generated between the gas pressure in the hollow cavity 61 and the external air pressure, resulting in deformation such as expansion or extrusion of the glass plate 62. After using the hollow glass air pressure regulating valve, when the air pressure in the hollow cavity 61 is greater than the external air pressure, part of the gas in the hollow cavity 61 can be exhausted through the valve body 1 to release the pressure. If the pressure in the hollow cavity 61 is less than the external air pressure, external air can actively enter the hollow cavity 61 through the valve body 1, so as to maintain the relative balance of the internal and external pressures of the hollow cavity 61, avoid deformation of the glass plate 62, and ensure stable sealing and normal use of the louvers.

[0056] The above is the preferred embodiment of the present utility model. It should be noted that for those of ordinary skill in the art in this technical field, without departing from the principle of the present utility model, several improvements and refinements can be made, and these improvements and refinements are also regarded as the protection scope of the present utility model.

Claims

1. A hollow glass air pressure regulating valve, characterized in that: Used for installation on insulating glass, wherein the insulating glass is provided with a hollow cavity; The hollow glass air pressure regulating valve comprises a valve body, one end of the valve body is communicated with the hollow cavity, and the other end of the valve body is communicated with external air.

2. The hollow glass air pressure regulating valve according to claim 1, characterized in that: The hollow glass air pressure regulating valve further comprises a valve core, which is arranged in the valve body and communicated between the valve body and external air.

3. The hollow glass air pressure regulating valve according to claim 2, characterized in that: The hollow glass air pressure regulating valve further comprises a filter, and the filter is arranged between the valve body and the valve core.

4. The hollow glass air pressure regulating valve according to claim 3, characterized in that: The filter sheet is provided with a plurality of filter holes for preventing moist air from entering the hollow cavity.

5. The hollow glass air pressure regulating valve according to claim 1, characterized in that: The outer wall of the valve body is provided with a plurality of accommodating grooves, and the plurality of accommodating grooves surround the outer wall of the valve body.

6. The hollow glass air pressure regulating valve according to claim 3, characterized in that: The valve body is provided with a first communicating cavity and a connecting cavity which are interconnected. The first communicating cavity is connected to the hollow cavity. The connecting cavity is provided between the first communicating cavity and the plug-in cavity. The inner wall of the connecting cavity and the outer wall of the valve core are provided with mutually meshing threads. The valve core is screwed into the connecting cavity.

7. The hollow glass air pressure regulating valve according to claim 6, characterized in that: A second communication cavity is provided in the valve core, the second communication cavity is communicated with the first communication cavity, and the filter is provided between the first communication cavity and the second communication cavity.

8. The hollow glass air pressure regulating valve according to claim 7, characterized in that: The first communicating cavity includes a first air cavity, which is disposed in a connection portion between the valve body and the hollow cavity, and is communicated between the hollow cavity and the second communicating cavity.

9. The hollow glass air pressure regulating valve according to claim 8, characterized in that: The second communicating cavity includes a second air cavity, and the second air cavity is connected between the first air cavity and the connecting groove.

10. The hollow glass air pressure regulating valve according to claim 9, characterized in that: A crimping platform is provided at one end of the valve core away from the connecting groove, and an abutment platform is provided at the connection between the connecting cavity and the first connecting cavity. After the valve core is inserted into the connecting cavity, the crimping platform can abut against one side of the filter disc, and the abutment platform can abut against the other side of the filter disc.

11. The hollow glass air pressure regulating valve according to claim 7, characterized in that: The hollow glass air pressure regulating valve also includes a plug cover, the plug cover includes a plug-in part, a plug-in cavity is provided in the valve body, the plug-in part is plugged into the plug-in cavity, a first air permeable gap is provided between the plug-in part and the inner wall of the plug-in cavity, the first air permeable gap can be connected with the external air, and the valve core is provided between the first communicating cavity and the plug-in part.

12. The hollow glass air pressure regulating valve according to claim 11, characterized in that: The valve core is also provided with a connecting groove connected to the second connecting cavity, and the plug cover also includes a blocking portion, which can be inserted into the connecting groove. The blocking portion and the inner wall of the connecting groove form a second air permeable gap, and the second air permeable gap can be connected to the first air permeable gap.

13. The hollow glass air pressure regulating valve according to claim 12, characterized in that: The plug cover also includes a limiting portion, which is arranged on the side of the plug-in portion and protrudes radially toward the blocking portion. The limiting portion can abut against the end surface of the valve body away from the hollow cavity. A third air permeable gap is formed between the limiting portion and the end surface of the valve body, the first air permeable gap is connected to the third air permeable gap, and the third air permeable gap is connected to the external air.

14. The hollow glass air pressure regulating valve according to claim 12, characterized in that: The hollow glass air pressure regulating valve also includes a sealing ring. A sealing groove is provided on one side of the valve body close to the hollow cavity. The sealing groove surrounds the blocking portion. The sealing ring is provided between the sealing groove and the hollow glass.

15. The hollow glass air pressure regulating valve according to claim 13, characterized in that: The plug cover also includes a handle portion, which is arranged on a side of the limiting portion away from the plug-in portion. The handle portion is connected to the limiting portion via a reducing portion, and the diameter of the reducing portion gradually decreases from the handle portion toward the limiting portion.

16. A hollow glass, characterized in that: The insulating glass comprises a first glass, a second glass, a packaging structure and the insulating glass air pressure regulating valve according to any one of claims 1 to 15, wherein a hollow cavity is formed between the first glass, the second glass and the packaging structure; The hollow glass air pressure regulating valve is installed on the packaging structure and communicated with the hollow cavity to regulate the air pressure in the hollow glass.

17. The insulating glass according to claim 16, characterized in that: A first mounting hole is provided in the insulating glass, and the valve body of the insulating glass air pressure regulating valve is installed in the first mounting hole. The valve body also includes a connecting part, which penetrates into the hollow cavity. The outer wall of the connecting part is provided with a thread, and the connecting part is screwed into the first mounting hole.

18. The insulating glass according to claim 17, characterized in that: The packaging structure includes a sealing layer, a second mounting hole is formed between the sealing layer and the valve body, a plurality of accommodating grooves are provided on the outer wall of the valve body, and a accommodating hole is formed between the accommodating grooves and the inner wall of the second mounting hole.

19. A shutter, characterized in that: The shutter comprises a first glass, a second glass, a shutter mechanism, a packaging structure and a hollow glass air pressure regulating valve as described in any one of claims 1 to 15, a hollow cavity is formed between the first glass, the second glass and the packaging structure, and the shutter mechanism is arranged in the hollow cavity.

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